1 ;;; gnus-sum.el --- summary mode commands for Gnus
2 ;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
3 ;; Free Software Foundation, Inc.
5 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
8 ;; This file is part of GNU Emacs.
10 ;; GNU Emacs is free software; you can redistribute it and/or modify
11 ;; it under the terms of the GNU General Public License as published by
12 ;; the Free Software Foundation; either version 2, or (at your option)
15 ;; GNU Emacs is distributed in the hope that it will be useful,
16 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 ;; GNU General Public License for more details.
20 ;; You should have received a copy of the GNU General Public License
21 ;; along with GNU Emacs; see the file COPYING. If not, write to the
22 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
23 ;; Boston, MA 02111-1307, USA.
31 (defvar tool-bar-map))
43 (autoload 'gnus-summary-limit-include-cached "gnus-cache" nil t)
44 (autoload 'gnus-cache-write-active "gnus-cache")
45 (autoload 'gnus-mailing-list-insinuate "gnus-ml" nil t)
46 (autoload 'turn-on-gnus-mailing-list-mode "gnus-ml" nil t)
47 (autoload 'mm-uu-dissect "mm-uu")
48 (autoload 'gnus-article-outlook-deuglify-article "deuglify"
49 "Deuglify broken Outlook (Express) articles and redisplay."
51 (autoload 'gnus-article-outlook-unwrap-lines "deuglify" nil t)
52 (autoload 'gnus-article-outlook-repair-attribution "deuglify" nil t)
53 (autoload 'gnus-article-outlook-rearrange-citation "deuglify" nil t)
55 (defcustom gnus-kill-summary-on-exit t
56 "*If non-nil, kill the summary buffer when you exit from it.
57 If nil, the summary will become a \"*Dead Summary*\" buffer, and
58 it will be killed sometime later."
59 :group 'gnus-summary-exit
62 (defcustom gnus-fetch-old-headers nil
63 "*Non-nil means that Gnus will try to build threads by grabbing old headers.
64 If an unread article in the group refers to an older, already read (or
65 just marked as read) article, the old article will not normally be
66 displayed in the Summary buffer. If this variable is non-nil, Gnus
67 will attempt to grab the headers to the old articles, and thereby
68 build complete threads. If it has the value `some', only enough
69 headers to connect otherwise loose threads will be displayed. This
70 variable can also be a number. In that case, no more than that number
71 of old headers will be fetched. If it has the value `invisible', all
72 old headers will be fetched, but none will be displayed.
74 The server has to support NOV for any of this to work."
76 :type '(choice (const :tag "off" nil)
79 (sexp :menu-tag "other" t)))
81 (defcustom gnus-refer-thread-limit 200
82 "*The number of old headers to fetch when doing \\<gnus-summary-mode-map>\\[gnus-summary-refer-thread].
83 If t, fetch all the available old headers."
86 (sexp :menu-tag "other" t)))
88 (defcustom gnus-summary-make-false-root 'adopt
89 "*nil means that Gnus won't gather loose threads.
90 If the root of a thread has expired or been read in a previous
91 session, the information necessary to build a complete thread has been
92 lost. Instead of having many small sub-threads from this original thread
93 scattered all over the summary buffer, Gnus can gather them.
95 If non-nil, Gnus will try to gather all loose sub-threads from an
96 original thread into one large thread.
98 If this variable is non-nil, it should be one of `none', `adopt',
101 If this variable is `none', Gnus will not make a false root, but just
102 present the sub-threads after another.
103 If this variable is `dummy', Gnus will create a dummy root that will
104 have all the sub-threads as children.
105 If this variable is `adopt', Gnus will make one of the \"children\"
106 the parent and mark all the step-children as such.
107 If this variable is `empty', the \"children\" are printed with empty
108 subject fields. (Or rather, they will be printed with a string
109 given by the `gnus-summary-same-subject' variable.)"
111 :type '(choice (const :tag "off" nil)
117 (defcustom gnus-summary-make-false-root-always nil
118 "Always make a false dummy root."
122 (defcustom gnus-summary-gather-exclude-subject "^ *$\\|^(none)$"
123 "*A regexp to match subjects to be excluded from loose thread gathering.
124 As loose thread gathering is done on subjects only, that means that
125 there can be many false gatherings performed. By rooting out certain
126 common subjects, gathering might become saner."
130 (defcustom gnus-summary-gather-subject-limit nil
131 "*Maximum length of subject comparisons when gathering loose threads.
132 Use nil to compare full subjects. Setting this variable to a low
133 number will help gather threads that have been corrupted by
134 newsreaders chopping off subject lines, but it might also mean that
135 unrelated articles that have subject that happen to begin with the
136 same few characters will be incorrectly gathered.
138 If this variable is `fuzzy', Gnus will use a fuzzy algorithm when
141 :type '(choice (const :tag "off" nil)
143 (sexp :menu-tag "on" t)))
145 (defcustom gnus-simplify-subject-functions nil
146 "List of functions taking a string argument that simplify subjects.
147 The functions are applied recursively.
149 Useful functions to put in this list include:
150 `gnus-simplify-subject-re', `gnus-simplify-subject-fuzzy',
151 `gnus-simplify-whitespace', and `gnus-simplify-all-whitespace'."
153 :type '(repeat function))
155 (defcustom gnus-simplify-ignored-prefixes nil
156 "*Remove matches for this regexp from subject lines when simplifying fuzzily."
158 :type '(choice (const :tag "off" nil)
161 (defcustom gnus-build-sparse-threads nil
162 "*If non-nil, fill in the gaps in threads.
163 If `some', only fill in the gaps that are needed to tie loose threads
164 together. If `more', fill in all leaf nodes that Gnus can find. If
165 non-nil and non-`some', fill in all gaps that Gnus manages to guess."
167 :type '(choice (const :tag "off" nil)
170 (sexp :menu-tag "all" t)))
172 (defcustom gnus-summary-thread-gathering-function
173 'gnus-gather-threads-by-subject
174 "*Function used for gathering loose threads.
175 There are two pre-defined functions: `gnus-gather-threads-by-subject',
176 which only takes Subjects into consideration; and
177 `gnus-gather-threads-by-references', which compared the References
178 headers of the articles to find matches."
180 :type '(radio (function-item gnus-gather-threads-by-subject)
181 (function-item gnus-gather-threads-by-references)
182 (function :tag "other")))
184 (defcustom gnus-summary-same-subject ""
185 "*String indicating that the current article has the same subject as the previous.
186 This variable will only be used if the value of
187 `gnus-summary-make-false-root' is `empty'."
188 :group 'gnus-summary-format
191 (defcustom gnus-summary-goto-unread t
192 "*If t, many commands will go to the next unread article.
193 This applies to marking commands as well as other commands that
194 \"naturally\" select the next article, like, for instance, `SPC' at
195 the end of an article.
197 If nil, the marking commands do NOT go to the next unread article
198 \(they go to the next article instead). If `never', commands that
199 usually go to the next unread article, will go to the next article,
200 whether it is read or not."
201 :group 'gnus-summary-marks
202 :link '(custom-manual "(gnus)Setting Marks")
203 :type '(choice (const :tag "off" nil)
205 (sexp :menu-tag "on" t)))
207 (defcustom gnus-summary-default-score 0
208 "*Default article score level.
209 All scores generated by the score files will be added to this score.
210 If this variable is nil, scoring will be disabled."
211 :group 'gnus-score-default
212 :type '(choice (const :tag "disable")
215 (defcustom gnus-summary-default-high-score 0
216 "*Default threshold for a high scored article.
217 An article will be highlighted as high scored if its score is greater
219 :group 'gnus-score-default
222 (defcustom gnus-summary-default-low-score 0
223 "*Default threshold for a low scored article.
224 An article will be highlighted as low scored if its score is smaller
226 :group 'gnus-score-default
229 (defcustom gnus-summary-zcore-fuzz 0
230 "*Fuzziness factor for the zcore in the summary buffer.
231 Articles with scores closer than this to `gnus-summary-default-score'
233 :group 'gnus-summary-format
236 (defcustom gnus-simplify-subject-fuzzy-regexp nil
237 "*Strings to be removed when doing fuzzy matches.
238 This can either be a regular expression or list of regular expressions
239 that will be removed from subject strings if fuzzy subject
240 simplification is selected."
242 :type '(repeat regexp))
244 (defcustom gnus-show-threads t
245 "*If non-nil, display threads in summary mode."
249 (defcustom gnus-thread-hide-subtree nil
250 "*If non-nil, hide all threads initially.
251 This can be a predicate specifier which says which threads to hide.
252 If threads are hidden, you have to run the command
253 `gnus-summary-show-thread' by hand or use `gnus-select-article-hook'
254 to expose hidden threads."
258 (defcustom gnus-thread-hide-killed t
259 "*If non-nil, hide killed threads automatically."
263 (defcustom gnus-thread-ignore-subject t
264 "*If non-nil, which is the default, ignore subjects and do all threading based on the Reference header.
265 If nil, articles that have different subjects from their parents will
266 start separate threads."
270 (defcustom gnus-thread-operation-ignore-subject t
271 "*If non-nil, subjects will be ignored when doing thread commands.
272 This affects commands like `gnus-summary-kill-thread' and
273 `gnus-summary-lower-thread'.
275 If this variable is nil, articles in the same thread with different
276 subjects will not be included in the operation in question. If this
277 variable is `fuzzy', only articles that have subjects that are fuzzily
278 equal will be included."
280 :type '(choice (const :tag "off" nil)
284 (defcustom gnus-thread-indent-level 4
285 "*Number that says how much each sub-thread should be indented."
289 (defcustom gnus-auto-extend-newsgroup t
290 "*If non-nil, extend newsgroup forward and backward when requested."
291 :group 'gnus-summary-choose
294 (defcustom gnus-auto-select-first t
295 "*If non-nil, select the article under point.
296 Which article this is is controlled by the `gnus-auto-select-subject'
299 If you want to prevent automatic selection of articles in some
300 newsgroups, set the variable to nil in `gnus-select-group-hook'."
301 :group 'gnus-group-select
302 :type '(choice (const :tag "none" nil)
303 (sexp :menu-tag "first" t)))
305 (defcustom gnus-auto-select-subject 'unread
306 "*Says what subject to place under point when entering a group.
308 This variable can either be the symbols `first' (place point on the
309 first subject), `unread' (place point on the subject line of the first
310 unread article), `best' (place point on the subject line of the
311 higest-scored article), `unseen' (place point on the subject line of
312 the first unseen article), 'unseen-or-unread' (place point on the subject
313 line of the first unseen article or, if all article have been seen, on the
314 subject line of the first unread article), or a function to be called to
315 place point on some subject line."
316 :group 'gnus-group-select
317 :type '(choice (const best)
321 (const unseen-or-unread)))
323 (defcustom gnus-auto-select-next t
324 "*If non-nil, offer to go to the next group from the end of the previous.
325 If the value is t and the next newsgroup is empty, Gnus will exit
326 summary mode and go back to group mode. If the value is neither nil
327 nor t, Gnus will select the following unread newsgroup. In
328 particular, if the value is the symbol `quietly', the next unread
329 newsgroup will be selected without any confirmation, and if it is
330 `almost-quietly', the next group will be selected without any
331 confirmation if you are located on the last article in the group.
332 Finally, if this variable is `slightly-quietly', the `\\<gnus-summary-mode-map>\\[gnus-summary-catchup-and-goto-next-group]' command
333 will go to the next group without confirmation."
334 :group 'gnus-summary-maneuvering
335 :type '(choice (const :tag "off" nil)
337 (const almost-quietly)
338 (const slightly-quietly)
339 (sexp :menu-tag "on" t)))
341 (defcustom gnus-auto-select-same nil
342 "*If non-nil, select the next article with the same subject.
343 If there are no more articles with the same subject, go to
344 the first unread article."
345 :group 'gnus-summary-maneuvering
348 (defcustom gnus-auto-goto-ignores 'unfetched
349 "*Says how to handle unfetched articles when maneuvering.
351 This variable can either be the symbols nil (maneuver to any
352 article), `undownloaded' (maneuvering while unplugged ignores articles
353 that have not been fetched), `always-undownloaded' (maneuvering always
354 ignores articles that have not been fetched), `unfetched' (maneuvering
355 ignores articles whose headers have not been fetched).
357 NOTE: The list of unfetched articles will always be nil when plugged
358 and, when unplugged, a subset of the undownloaded article list."
359 :group 'gnus-summary-maneuvering
360 :type '(choice (const :tag "None" nil)
361 (const :tag "Undownloaded when unplugged" undownloaded)
362 (const :tag "Undownloaded" always-undownloaded)
363 (const :tag "Unfetched" unfetched)))
365 (defcustom gnus-summary-check-current nil
366 "*If non-nil, consider the current article when moving.
367 The \"unread\" movement commands will stay on the same line if the
368 current article is unread."
369 :group 'gnus-summary-maneuvering
372 (defcustom gnus-auto-center-summary t
373 "*If non-nil, always center the current summary buffer.
374 In particular, if `vertical' do only vertical recentering. If non-nil
375 and non-`vertical', do both horizontal and vertical recentering."
376 :group 'gnus-summary-maneuvering
377 :type '(choice (const :tag "none" nil)
379 (integer :tag "height")
380 (sexp :menu-tag "both" t)))
382 (defvar gnus-auto-center-group t
383 "*If non-nil, always center the group buffer.")
385 (defcustom gnus-show-all-headers nil
386 "*If non-nil, don't hide any headers."
387 :group 'gnus-article-hiding
388 :group 'gnus-article-headers
391 (defcustom gnus-summary-ignore-duplicates nil
392 "*If non-nil, ignore articles with identical Message-ID headers."
396 (defcustom gnus-single-article-buffer t
397 "*If non-nil, display all articles in the same buffer.
398 If nil, each group will get its own article buffer."
399 :group 'gnus-article-various
402 (defcustom gnus-break-pages t
403 "*If non-nil, do page breaking on articles.
404 The page delimiter is specified by the `gnus-page-delimiter'
406 :group 'gnus-article-various
409 (defcustom gnus-move-split-methods nil
410 "*Variable used to suggest where articles are to be moved to.
411 It uses the same syntax as the `gnus-split-methods' variable.
412 However, whereas `gnus-split-methods' specifies file names as targets,
413 this variable specifies group names."
414 :group 'gnus-summary-mail
415 :type '(repeat (choice (list :value (fun) function)
416 (cons :value ("" "") regexp (repeat string))
419 (defcustom gnus-unread-mark ? ;Whitespace
420 "*Mark used for unread articles."
421 :group 'gnus-summary-marks
424 (defcustom gnus-ticked-mark ?!
425 "*Mark used for ticked articles."
426 :group 'gnus-summary-marks
429 (defcustom gnus-dormant-mark ??
430 "*Mark used for dormant articles."
431 :group 'gnus-summary-marks
434 (defcustom gnus-del-mark ?r
435 "*Mark used for del'd articles."
436 :group 'gnus-summary-marks
439 (defcustom gnus-read-mark ?R
440 "*Mark used for read articles."
441 :group 'gnus-summary-marks
444 (defcustom gnus-expirable-mark ?E
445 "*Mark used for expirable articles."
446 :group 'gnus-summary-marks
449 (defcustom gnus-killed-mark ?K
450 "*Mark used for killed articles."
451 :group 'gnus-summary-marks
454 (defcustom gnus-spam-mark ?$
455 "*Mark used for spam articles."
456 :group 'gnus-summary-marks
459 (defcustom gnus-souped-mark ?F
460 "*Mark used for souped articles."
461 :group 'gnus-summary-marks
464 (defcustom gnus-kill-file-mark ?X
465 "*Mark used for articles killed by kill files."
466 :group 'gnus-summary-marks
469 (defcustom gnus-low-score-mark ?Y
470 "*Mark used for articles with a low score."
471 :group 'gnus-summary-marks
474 (defcustom gnus-catchup-mark ?C
475 "*Mark used for articles that are caught up."
476 :group 'gnus-summary-marks
479 (defcustom gnus-replied-mark ?A
480 "*Mark used for articles that have been replied to."
481 :group 'gnus-summary-marks
484 (defcustom gnus-forwarded-mark ?F
485 "*Mark used for articles that have been forwarded."
486 :group 'gnus-summary-marks
489 (defcustom gnus-recent-mark ?N
490 "*Mark used for articles that are recent."
491 :group 'gnus-summary-marks
494 (defcustom gnus-cached-mark ?*
495 "*Mark used for articles that are in the cache."
496 :group 'gnus-summary-marks
499 (defcustom gnus-saved-mark ?S
500 "*Mark used for articles that have been saved."
501 :group 'gnus-summary-marks
504 (defcustom gnus-unseen-mark ?.
505 "*Mark used for articles that haven't been seen."
506 :group 'gnus-summary-marks
509 (defcustom gnus-no-mark ? ;Whitespace
510 "*Mark used for articles that have no other secondary mark."
511 :group 'gnus-summary-marks
514 (defcustom gnus-ancient-mark ?O
515 "*Mark used for ancient articles."
516 :group 'gnus-summary-marks
519 (defcustom gnus-sparse-mark ?Q
520 "*Mark used for sparsely reffed articles."
521 :group 'gnus-summary-marks
524 (defcustom gnus-canceled-mark ?G
525 "*Mark used for canceled articles."
526 :group 'gnus-summary-marks
529 (defcustom gnus-duplicate-mark ?M
530 "*Mark used for duplicate articles."
531 :group 'gnus-summary-marks
534 (defcustom gnus-undownloaded-mark ?-
535 "*Mark used for articles that weren't downloaded."
536 :group 'gnus-summary-marks
539 (defcustom gnus-downloaded-mark ?+
540 "*Mark used for articles that were downloaded."
541 :group 'gnus-summary-marks
544 (defcustom gnus-downloadable-mark ?%
545 "*Mark used for articles that are to be downloaded."
546 :group 'gnus-summary-marks
549 (defcustom gnus-unsendable-mark ?=
550 "*Mark used for articles that won't be sent."
551 :group 'gnus-summary-marks
554 (defcustom gnus-score-over-mark ?+
555 "*Score mark used for articles with high scores."
556 :group 'gnus-summary-marks
559 (defcustom gnus-score-below-mark ?-
560 "*Score mark used for articles with low scores."
561 :group 'gnus-summary-marks
564 (defcustom gnus-empty-thread-mark ? ;Whitespace
565 "*There is no thread under the article."
566 :group 'gnus-summary-marks
569 (defcustom gnus-not-empty-thread-mark ?=
570 "*There is a thread under the article."
571 :group 'gnus-summary-marks
574 (defcustom gnus-view-pseudo-asynchronously nil
575 "*If non-nil, Gnus will view pseudo-articles asynchronously."
576 :group 'gnus-extract-view
579 (defcustom gnus-auto-expirable-marks
580 (list gnus-killed-mark gnus-del-mark gnus-catchup-mark
581 gnus-low-score-mark gnus-ancient-mark gnus-read-mark
582 gnus-souped-mark gnus-duplicate-mark)
583 "*The list of marks converted into expiration if a group is auto-expirable."
586 :type '(repeat character))
588 (defcustom gnus-inhibit-user-auto-expire t
589 "*If non-nil, user marking commands will not mark an article as expirable, even if the group has auto-expire turned on."
594 (defcustom gnus-view-pseudos nil
595 "*If `automatic', pseudo-articles will be viewed automatically.
596 If `not-confirm', pseudos will be viewed automatically, and the user
597 will not be asked to confirm the command."
598 :group 'gnus-extract-view
599 :type '(choice (const :tag "off" nil)
601 (const not-confirm)))
603 (defcustom gnus-view-pseudos-separately t
604 "*If non-nil, one pseudo-article will be created for each file to be viewed.
605 If nil, all files that use the same viewing command will be given as a
606 list of parameters to that command."
607 :group 'gnus-extract-view
610 (defcustom gnus-insert-pseudo-articles t
611 "*If non-nil, insert pseudo-articles when decoding articles."
612 :group 'gnus-extract-view
615 (defcustom gnus-summary-dummy-line-format
617 "*The format specification for the dummy roots in the summary buffer.
618 It works along the same lines as a normal formatting string,
619 with some simple extensions.
623 General format specifiers can also be used.
624 See `(gnus)Formatting Variables'."
625 :link '(custom-manual "(gnus)Formatting Variables")
626 :group 'gnus-threading
629 (defcustom gnus-summary-mode-line-format "Gnus: %g [%A] %Z"
630 "*The format specification for the summary mode line.
631 It works along the same lines as a normal formatting string,
632 with some simple extensions:
635 %p Unprefixed group name
636 %A Current article number
637 %z Current article score
639 %U Number of unread articles in the group
640 %e Number of unselected articles in the group
641 %Z A string with unread/unselected article counts
642 %g Shortish group name
643 %S Subject of the current article
645 %s Current score file name
646 %d Number of dormant articles
647 %r Number of articles that have been marked as read in this session
648 %E Number of articles expunged by the score files"
649 :group 'gnus-summary-format
652 (defcustom gnus-list-identifiers nil
653 "Regexp that matches list identifiers to be removed from subject.
654 This can also be a list of regexps."
656 :group 'gnus-summary-format
657 :group 'gnus-article-hiding
658 :type '(choice (const :tag "none" nil)
660 (repeat :value (".*") regexp)))
662 (defcustom gnus-summary-mark-below 0
663 "*Mark all articles with a score below this variable as read.
664 This variable is local to each summary buffer and usually set by the
666 :group 'gnus-score-default
669 (defcustom gnus-article-sort-functions '(gnus-article-sort-by-number)
670 "*List of functions used for sorting articles in the summary buffer.
672 Each function takes two articles and returns non-nil if the first
673 article should be sorted before the other. If you use more than one
674 function, the primary sort function should be the last. You should
675 probably always include `gnus-article-sort-by-number' in the list of
676 sorting functions -- preferably first. Also note that sorting by date
677 is often much slower than sorting by number, and the sorting order is
678 very similar. (Sorting by date means sorting by the time the message
679 was sent, sorting by number means sorting by arrival time.)
681 Ready-made functions include `gnus-article-sort-by-number',
682 `gnus-article-sort-by-author', `gnus-article-sort-by-subject',
683 `gnus-article-sort-by-date', `gnus-article-sort-by-random'
684 and `gnus-article-sort-by-score'.
686 When threading is turned on, the variable `gnus-thread-sort-functions'
687 controls how articles are sorted."
688 :group 'gnus-summary-sort
689 :type '(repeat (choice (function-item gnus-article-sort-by-number)
690 (function-item gnus-article-sort-by-author)
691 (function-item gnus-article-sort-by-subject)
692 (function-item gnus-article-sort-by-date)
693 (function-item gnus-article-sort-by-score)
694 (function-item gnus-article-sort-by-random)
695 (function :tag "other"))))
697 (defcustom gnus-thread-sort-functions '(gnus-thread-sort-by-number)
698 "*List of functions used for sorting threads in the summary buffer.
699 By default, threads are sorted by article number.
701 Each function takes two threads and returns non-nil if the first
702 thread should be sorted before the other. If you use more than one
703 function, the primary sort function should be the last. You should
704 probably always include `gnus-thread-sort-by-number' in the list of
705 sorting functions -- preferably first. Also note that sorting by date
706 is often much slower than sorting by number, and the sorting order is
707 very similar. (Sorting by date means sorting by the time the message
708 was sent, sorting by number means sorting by arrival time.)
710 Ready-made functions include `gnus-thread-sort-by-number',
711 `gnus-thread-sort-by-author', `gnus-thread-sort-by-subject',
712 `gnus-thread-sort-by-date', `gnus-thread-sort-by-score',
713 `gnus-thread-sort-by-most-recent-number',
714 `gnus-thread-sort-by-most-recent-date',
715 `gnus-thread-sort-by-random', and
716 `gnus-thread-sort-by-total-score' (see `gnus-thread-score-function').
718 When threading is turned off, the variable
719 `gnus-article-sort-functions' controls how articles are sorted."
720 :group 'gnus-summary-sort
721 :type '(repeat (choice (function-item gnus-thread-sort-by-number)
722 (function-item gnus-thread-sort-by-author)
723 (function-item gnus-thread-sort-by-subject)
724 (function-item gnus-thread-sort-by-date)
725 (function-item gnus-thread-sort-by-score)
726 (function-item gnus-thread-sort-by-total-score)
727 (function-item gnus-thread-sort-by-random)
728 (function :tag "other"))))
730 (defcustom gnus-thread-score-function '+
731 "*Function used for calculating the total score of a thread.
733 The function is called with the scores of the article and each
734 subthread and should then return the score of the thread.
736 Some functions you can use are `+', `max', or `min'."
737 :group 'gnus-summary-sort
740 (defcustom gnus-summary-expunge-below nil
741 "All articles that have a score less than this variable will be expunged.
742 This variable is local to the summary buffers."
743 :group 'gnus-score-default
744 :type '(choice (const :tag "off" nil)
747 (defcustom gnus-thread-expunge-below nil
748 "All threads that have a total score less than this variable will be expunged.
749 See `gnus-thread-score-function' for en explanation of what a
752 This variable is local to the summary buffers."
753 :group 'gnus-threading
754 :group 'gnus-score-default
755 :type '(choice (const :tag "off" nil)
758 (defcustom gnus-summary-mode-hook nil
759 "*A hook for Gnus summary mode.
760 This hook is run before any variables are set in the summary buffer."
761 :options '(turn-on-gnus-mailing-list-mode gnus-pick-mode)
762 :group 'gnus-summary-various
765 ;; Extracted from gnus-xmas-redefine in order to preserve user settings
766 (when (featurep 'xemacs)
767 (add-hook 'gnus-summary-mode-hook 'gnus-xmas-summary-menu-add)
768 (add-hook 'gnus-summary-mode-hook 'gnus-xmas-setup-summary-toolbar)
769 (add-hook 'gnus-summary-mode-hook
770 'gnus-xmas-switch-horizontal-scrollbar-off))
772 (defcustom gnus-summary-menu-hook nil
773 "*Hook run after the creation of the summary mode menu."
774 :group 'gnus-summary-visual
777 (defcustom gnus-summary-exit-hook nil
778 "*A hook called on exit from the summary buffer.
779 It will be called with point in the group buffer."
780 :group 'gnus-summary-exit
783 (defcustom gnus-summary-prepare-hook nil
784 "*A hook called after the summary buffer has been generated.
785 If you want to modify the summary buffer, you can use this hook."
786 :group 'gnus-summary-various
789 (defcustom gnus-summary-prepared-hook nil
790 "*A hook called as the last thing after the summary buffer has been generated."
791 :group 'gnus-summary-various
794 (defcustom gnus-summary-generate-hook nil
795 "*A hook run just before generating the summary buffer.
796 This hook is commonly used to customize threading variables and the
798 :group 'gnus-summary-various
801 (defcustom gnus-select-group-hook nil
802 "*A hook called when a newsgroup is selected.
804 If you'd like to simplify subjects like the
805 `gnus-summary-next-same-subject' command does, you can use the
808 (add-hook gnus-select-group-hook
810 (mapcar (lambda (header)
811 (mail-header-set-subject
813 (gnus-simplify-subject
814 (mail-header-subject header) 're-only)))
815 gnus-newsgroup-headers)))"
816 :group 'gnus-group-select
819 (defcustom gnus-select-article-hook nil
820 "*A hook called when an article is selected."
821 :group 'gnus-summary-choose
822 :options '(gnus-agent-fetch-selected-article)
825 (defcustom gnus-visual-mark-article-hook
826 (list 'gnus-highlight-selected-summary)
827 "*Hook run after selecting an article in the summary buffer.
828 It is meant to be used for highlighting the article in some way. It
829 is not run if `gnus-visual' is nil."
830 :group 'gnus-summary-visual
833 (defcustom gnus-parse-headers-hook nil
834 "*A hook called before parsing the headers."
838 (defcustom gnus-exit-group-hook nil
839 "*A hook called when exiting summary mode.
840 This hook is not called from the non-updating exit commands like `Q'."
844 (defcustom gnus-summary-update-hook
845 (list 'gnus-summary-highlight-line)
846 "*A hook called when a summary line is changed.
847 The hook will not be called if `gnus-visual' is nil.
849 The default function `gnus-summary-highlight-line' will
850 highlight the line according to the `gnus-summary-highlight'
852 :group 'gnus-summary-visual
855 (defcustom gnus-mark-article-hook '(gnus-summary-mark-read-and-unread-as-read)
856 "*A hook called when an article is selected for the first time.
857 The hook is intended to mark an article as read (or unread)
858 automatically when it is selected."
859 :group 'gnus-summary-choose
862 (defcustom gnus-group-no-more-groups-hook nil
863 "*A hook run when returning to group mode having no more (unread) groups."
864 :group 'gnus-group-select
867 (defcustom gnus-ps-print-hook nil
868 "*A hook run before ps-printing something from Gnus."
872 (defcustom gnus-summary-article-move-hook nil
873 "*A hook called after an article is moved, copied, respooled, or crossposted."
877 (defcustom gnus-summary-article-delete-hook nil
878 "*A hook called after an article is deleted."
882 (defcustom gnus-summary-article-expire-hook nil
883 "*A hook called after an article is expired."
887 (defcustom gnus-summary-display-arrow
888 (and (fboundp 'display-graphic-p)
890 "*If non-nil, display an arrow highlighting the current article."
895 (defcustom gnus-summary-selected-face 'gnus-summary-selected-face
896 "Face used for highlighting the current article in the summary buffer."
897 :group 'gnus-summary-visual
900 (defvar gnus-tmp-downloaded nil)
902 (defcustom gnus-summary-highlight
903 '(((eq mark gnus-canceled-mark)
904 . gnus-summary-cancelled-face)
905 ((and uncached (> score default-high))
906 . gnus-summary-high-undownloaded-face)
907 ((and uncached (< score default-low))
908 . gnus-summary-low-undownloaded-face)
910 . gnus-summary-normal-undownloaded-face)
911 ((and (> score default-high)
912 (or (eq mark gnus-dormant-mark)
913 (eq mark gnus-ticked-mark)))
914 . gnus-summary-high-ticked-face)
915 ((and (< score default-low)
916 (or (eq mark gnus-dormant-mark)
917 (eq mark gnus-ticked-mark)))
918 . gnus-summary-low-ticked-face)
919 ((or (eq mark gnus-dormant-mark)
920 (eq mark gnus-ticked-mark))
921 . gnus-summary-normal-ticked-face)
922 ((and (> score default-high) (eq mark gnus-ancient-mark))
923 . gnus-summary-high-ancient-face)
924 ((and (< score default-low) (eq mark gnus-ancient-mark))
925 . gnus-summary-low-ancient-face)
926 ((eq mark gnus-ancient-mark)
927 . gnus-summary-normal-ancient-face)
928 ((and (> score default-high) (eq mark gnus-unread-mark))
929 . gnus-summary-high-unread-face)
930 ((and (< score default-low) (eq mark gnus-unread-mark))
931 . gnus-summary-low-unread-face)
932 ((eq mark gnus-unread-mark)
933 . gnus-summary-normal-unread-face)
934 ((> score default-high)
935 . gnus-summary-high-read-face)
936 ((< score default-low)
937 . gnus-summary-low-read-face)
939 . gnus-summary-normal-read-face))
940 "*Controls the highlighting of summary buffer lines.
942 A list of (FORM . FACE) pairs. When deciding how a a particular
943 summary line should be displayed, each form is evaluated. The content
944 of the face field after the first true form is used. You can change
945 how those summary lines are displayed, by editing the face field.
947 You can use the following variables in the FORM field.
949 score: The article's score
950 default: The default article score.
951 default-high: The default score for high scored articles.
952 default-low: The default score for low scored articles.
953 below: The score below which articles are automatically marked as read.
954 mark: The articles mark."
955 :group 'gnus-summary-visual
956 :type '(repeat (cons (sexp :tag "Form" nil)
959 (defcustom gnus-alter-header-function nil
960 "Function called to allow alteration of article header structures.
961 The function is called with one parameter, the article header vector,
962 which it may alter in any way."
963 :type '(choice (const :tag "None" nil)
965 :group 'gnus-summary)
967 (defvar gnus-decode-encoded-word-function 'mail-decode-encoded-word-string
968 "Variable that says which function should be used to decode a string with encoded words.")
970 (defcustom gnus-extra-headers '(To Newsgroups)
971 "*Extra headers to parse."
974 :type '(repeat symbol))
976 (defcustom gnus-ignored-from-addresses
977 (and user-mail-address (regexp-quote user-mail-address))
978 "*Regexp of From headers that may be suppressed in favor of To headers."
983 (defcustom gnus-newsgroup-ignored-charsets '(unknown-8bit x-unknown)
984 "List of charsets that should be ignored.
985 When these charsets are used in the \"charset\" parameter, the
986 default charset will be used instead."
988 :type '(repeat symbol)
989 :group 'gnus-charset)
991 (gnus-define-group-parameter
995 "Return the ignored charsets of GROUP."
996 :variable gnus-group-ignored-charsets-alist
998 '(("alt\\.chinese\\.text" iso-8859-1))
1000 "Alist of regexps (to match group names) and charsets that should be ignored.
1001 When these charsets are used in the \"charset\" parameter, the
1002 default charset will be used instead."
1003 :variable-group gnus-charset
1004 :variable-type '(repeat (cons (regexp :tag "Group")
1006 :parameter-type '(choice :tag "Ignored charsets"
1009 :parameter-document "\
1010 List of charsets that should be ignored.
1012 When these charsets are used in the \"charset\" parameter, the
1013 default charset will be used instead.")
1015 (defcustom gnus-group-highlight-words-alist nil
1016 "Alist of group regexps and highlight regexps.
1017 This variable uses the same syntax as `gnus-emphasis-alist'."
1019 :type '(repeat (cons (regexp :tag "Group")
1020 (repeat (list (regexp :tag "Highlight regexp")
1021 (number :tag "Group for entire word" 0)
1022 (number :tag "Group for displayed part" 0)
1024 gnus-emphasis-highlight-words)))))
1025 :group 'gnus-summary-visual)
1027 (defcustom gnus-summary-show-article-charset-alist
1029 "Alist of number and charset.
1030 The article will be shown with the charset corresponding to the
1032 For example: ((1 . cn-gb-2312) (2 . big5))."
1034 :type '(repeat (cons (number :tag "Argument" 1)
1035 (symbol :tag "Charset")))
1036 :group 'gnus-charset)
1038 (defcustom gnus-preserve-marks t
1039 "Whether marks are preserved when moving, copying and respooling messages."
1042 :group 'gnus-summary-marks)
1044 (defcustom gnus-alter-articles-to-read-function nil
1045 "Function to be called to alter the list of articles to be selected."
1046 :type '(choice (const nil) function)
1047 :group 'gnus-summary)
1049 (defcustom gnus-orphan-score nil
1050 "*All orphans get this score added. Set in the score file."
1051 :group 'gnus-score-default
1052 :type '(choice (const nil)
1055 (defcustom gnus-summary-save-parts-default-mime "image/.*"
1056 "*A regexp to match MIME parts when saving multiple parts of a
1057 message with `gnus-summary-save-parts' (\\<gnus-summary-mode-map>\\[gnus-summary-save-parts]).
1058 This regexp will be used by default when prompting the user for which
1059 type of files to save."
1060 :group 'gnus-summary
1063 (defcustom gnus-read-all-available-headers nil
1064 "Whether Gnus should parse all headers made available to it.
1065 This is mostly relevant for slow back ends where the user may
1066 wish to widen the summary buffer to include all headers
1067 that were fetched. Say, for nnultimate groups."
1068 :group 'gnus-summary
1069 :type '(choice boolean regexp))
1071 (defcustom gnus-summary-muttprint-program "muttprint"
1072 "Command (and optional arguments) used to run Muttprint."
1074 :group 'gnus-summary
1077 (defcustom gnus-article-loose-mime nil
1078 "If non-nil, don't require MIME-Version header.
1079 Some brain-damaged MUA/MTA, e.g. Lotus Domino 5.0.6 clients, does not
1080 supply the MIME-Version header or deliberately strip it From the mail.
1081 Set it to non-nil, Gnus will treat some articles as MIME even if
1082 the MIME-Version header is missed."
1085 :group 'gnus-article-mime)
1087 (defcustom gnus-article-emulate-mime t
1088 "If non-nil, use MIME emulation for uuencode and the like.
1089 This means that Gnus will search message bodies for text that look
1090 like uuencoded bits, yEncoded bits, and so on, and present that using
1091 the normal Gnus MIME machinery."
1093 :group 'gnus-article-mime)
1095 ;;; Internal variables
1097 (defvar gnus-summary-display-cache nil)
1098 (defvar gnus-article-mime-handles nil)
1099 (defvar gnus-article-decoded-p nil)
1100 (defvar gnus-article-charset nil)
1101 (defvar gnus-article-ignored-charsets nil)
1102 (defvar gnus-scores-exclude-files nil)
1103 (defvar gnus-page-broken nil)
1105 (defvar gnus-original-article nil)
1106 (defvar gnus-article-internal-prepare-hook nil)
1107 (defvar gnus-newsgroup-process-stack nil)
1109 (defvar gnus-thread-indent-array nil)
1110 (defvar gnus-thread-indent-array-level gnus-thread-indent-level)
1111 (defvar gnus-sort-gathered-threads-function 'gnus-thread-sort-by-number
1112 "Function called to sort the articles within a thread after it has been gathered together.")
1114 (defvar gnus-summary-save-parts-type-history nil)
1115 (defvar gnus-summary-save-parts-last-directory nil)
1117 ;; Avoid highlighting in kill files.
1118 (defvar gnus-summary-inhibit-highlight nil)
1119 (defvar gnus-newsgroup-selected-overlay nil)
1120 (defvar gnus-inhibit-limiting nil)
1121 (defvar gnus-newsgroup-adaptive-score-file nil)
1122 (defvar gnus-current-score-file nil)
1123 (defvar gnus-current-move-group nil)
1124 (defvar gnus-current-copy-group nil)
1125 (defvar gnus-current-crosspost-group nil)
1126 (defvar gnus-newsgroup-display nil)
1128 (defvar gnus-newsgroup-dependencies nil)
1129 (defvar gnus-newsgroup-adaptive nil)
1130 (defvar gnus-summary-display-article-function nil)
1131 (defvar gnus-summary-highlight-line-function nil
1132 "Function called after highlighting a summary line.")
1134 (defvar gnus-summary-line-format-alist
1135 `((?N ,(macroexpand '(mail-header-number gnus-tmp-header)) ?d)
1136 (?S ,(macroexpand '(mail-header-subject gnus-tmp-header)) ?s)
1137 (?s gnus-tmp-subject-or-nil ?s)
1138 (?n gnus-tmp-name ?s)
1139 (?A (car (cdr (funcall gnus-extract-address-components gnus-tmp-from)))
1141 (?a (or (car (funcall gnus-extract-address-components gnus-tmp-from))
1143 (?F gnus-tmp-from ?s)
1144 (?x ,(macroexpand '(mail-header-xref gnus-tmp-header)) ?s)
1145 (?D ,(macroexpand '(mail-header-date gnus-tmp-header)) ?s)
1146 (?d (gnus-dd-mmm (mail-header-date gnus-tmp-header)) ?s)
1147 (?o (gnus-date-iso8601 (mail-header-date gnus-tmp-header)) ?s)
1148 (?M ,(macroexpand '(mail-header-id gnus-tmp-header)) ?s)
1149 (?r ,(macroexpand '(mail-header-references gnus-tmp-header)) ?s)
1150 (?c (or (mail-header-chars gnus-tmp-header) 0) ?d)
1151 (?k (gnus-summary-line-message-size gnus-tmp-header) ?s)
1152 (?L gnus-tmp-lines ?s)
1153 (?O gnus-tmp-downloaded ?c)
1154 (?I gnus-tmp-indentation ?s)
1155 (?T (if (= gnus-tmp-level 0) "" (make-string (frame-width) ? )) ?s)
1156 (?R gnus-tmp-replied ?c)
1157 (?\[ gnus-tmp-opening-bracket ?c)
1158 (?\] gnus-tmp-closing-bracket ?c)
1159 (?\> (make-string gnus-tmp-level ? ) ?s)
1160 (?\< (make-string (max 0 (- 20 gnus-tmp-level)) ? ) ?s)
1161 (?i gnus-tmp-score ?d)
1162 (?z gnus-tmp-score-char ?c)
1163 (?l (bbb-grouplens-score gnus-tmp-header) ?s)
1164 (?V (gnus-thread-total-score (and (boundp 'thread) (car thread))) ?d)
1165 (?U gnus-tmp-unread ?c)
1166 (?f (gnus-summary-from-or-to-or-newsgroups gnus-tmp-header gnus-tmp-from)
1168 (?t (gnus-summary-number-of-articles-in-thread
1169 (and (boundp 'thread) (car thread)) gnus-tmp-level)
1171 (?e (gnus-summary-number-of-articles-in-thread
1172 (and (boundp 'thread) (car thread)) gnus-tmp-level t)
1174 (?u gnus-tmp-user-defined ?s)
1175 (?P (gnus-pick-line-number) ?d)
1176 (?B gnus-tmp-thread-tree-header-string ?s)
1177 (user-date (gnus-user-date
1178 ,(macroexpand '(mail-header-date gnus-tmp-header))) ?s))
1179 "An alist of format specifications that can appear in summary lines.
1180 These are paired with what variables they correspond with, along with
1181 the type of the variable (string, integer, character, etc).")
1183 (defvar gnus-summary-dummy-line-format-alist
1184 `((?S gnus-tmp-subject ?s)
1185 (?N gnus-tmp-number ?d)
1186 (?u gnus-tmp-user-defined ?s)))
1188 (defvar gnus-summary-mode-line-format-alist
1189 `((?G gnus-tmp-group-name ?s)
1190 (?g (gnus-short-group-name gnus-tmp-group-name) ?s)
1191 (?p (gnus-group-real-name gnus-tmp-group-name) ?s)
1192 (?A gnus-tmp-article-number ?d)
1193 (?Z gnus-tmp-unread-and-unselected ?s)
1194 (?V gnus-version ?s)
1195 (?U gnus-tmp-unread-and-unticked ?d)
1196 (?S gnus-tmp-subject ?s)
1197 (?e gnus-tmp-unselected ?d)
1198 (?u gnus-tmp-user-defined ?s)
1199 (?d (length gnus-newsgroup-dormant) ?d)
1200 (?t (length gnus-newsgroup-marked) ?d)
1201 (?h (length gnus-newsgroup-spam-marked) ?d)
1202 (?r (length gnus-newsgroup-reads) ?d)
1203 (?z (gnus-summary-article-score gnus-tmp-article-number) ?d)
1204 (?E gnus-newsgroup-expunged-tally ?d)
1205 (?s (gnus-current-score-file-nondirectory) ?s)))
1207 (defvar gnus-last-search-regexp nil
1208 "Default regexp for article search command.")
1210 (defvar gnus-last-shell-command nil
1211 "Default shell command on article.")
1213 (defvar gnus-newsgroup-agentized nil
1214 "Locally bound in each summary buffer to indicate whether the server has been agentized.")
1215 (defvar gnus-newsgroup-begin nil)
1216 (defvar gnus-newsgroup-end nil)
1217 (defvar gnus-newsgroup-last-rmail nil)
1218 (defvar gnus-newsgroup-last-mail nil)
1219 (defvar gnus-newsgroup-last-folder nil)
1220 (defvar gnus-newsgroup-last-file nil)
1221 (defvar gnus-newsgroup-auto-expire nil)
1222 (defvar gnus-newsgroup-active nil)
1224 (defvar gnus-newsgroup-data nil)
1225 (defvar gnus-newsgroup-data-reverse nil)
1226 (defvar gnus-newsgroup-limit nil)
1227 (defvar gnus-newsgroup-limits nil)
1228 (defvar gnus-summary-use-undownloaded-faces nil)
1230 (defvar gnus-newsgroup-unreads nil
1231 "Sorted list of unread articles in the current newsgroup.")
1233 (defvar gnus-newsgroup-unselected nil
1234 "Sorted list of unselected unread articles in the current newsgroup.")
1236 (defvar gnus-newsgroup-reads nil
1237 "Alist of read articles and article marks in the current newsgroup.")
1239 (defvar gnus-newsgroup-expunged-tally nil)
1241 (defvar gnus-newsgroup-marked nil
1242 "Sorted list of ticked articles in the current newsgroup (a subset of unread art).")
1244 (defvar gnus-newsgroup-spam-marked nil
1245 "List of ranges of articles that have been marked as spam.")
1247 (defvar gnus-newsgroup-killed nil
1248 "List of ranges of articles that have been through the scoring process.")
1250 (defvar gnus-newsgroup-cached nil
1251 "Sorted list of articles that come from the article cache.")
1253 (defvar gnus-newsgroup-saved nil
1254 "List of articles that have been saved.")
1256 (defvar gnus-newsgroup-kill-headers nil)
1258 (defvar gnus-newsgroup-replied nil
1259 "List of articles that have been replied to in the current newsgroup.")
1261 (defvar gnus-newsgroup-forwarded nil
1262 "List of articles that have been forwarded in the current newsgroup.")
1264 (defvar gnus-newsgroup-recent nil
1265 "List of articles that have are recent in the current newsgroup.")
1267 (defvar gnus-newsgroup-expirable nil
1268 "Sorted list of articles in the current newsgroup that can be expired.")
1270 (defvar gnus-newsgroup-processable nil
1271 "List of articles in the current newsgroup that can be processed.")
1273 (defvar gnus-newsgroup-downloadable nil
1274 "Sorted list of articles in the current newsgroup that can be processed.")
1276 (defvar gnus-newsgroup-unfetched nil
1277 "Sorted list of articles in the current newsgroup whose headers have
1278 not been fetched into the agent.
1280 This list will always be a subset of gnus-newsgroup-undownloaded.")
1282 (defvar gnus-newsgroup-undownloaded nil
1283 "List of articles in the current newsgroup that haven't been downloaded.")
1285 (defvar gnus-newsgroup-unsendable nil
1286 "List of articles in the current newsgroup that won't be sent.")
1288 (defvar gnus-newsgroup-bookmarks nil
1289 "List of articles in the current newsgroup that have bookmarks.")
1291 (defvar gnus-newsgroup-dormant nil
1292 "Sorted list of dormant articles in the current newsgroup.")
1294 (defvar gnus-newsgroup-unseen nil
1295 "List of unseen articles in the current newsgroup.")
1297 (defvar gnus-newsgroup-seen nil
1298 "Range of seen articles in the current newsgroup.")
1300 (defvar gnus-newsgroup-articles nil
1301 "List of articles in the current newsgroup.")
1303 (defvar gnus-newsgroup-scored nil
1304 "List of scored articles in the current newsgroup.")
1306 (defvar gnus-newsgroup-headers nil
1307 "List of article headers in the current newsgroup.")
1309 (defvar gnus-newsgroup-threads nil)
1311 (defvar gnus-newsgroup-prepared nil
1312 "Whether the current group has been prepared properly.")
1314 (defvar gnus-newsgroup-ancient nil
1315 "List of `gnus-fetch-old-headers' articles in the current newsgroup.")
1317 (defvar gnus-newsgroup-sparse nil)
1319 (defvar gnus-current-article nil)
1320 (defvar gnus-article-current nil)
1321 (defvar gnus-current-headers nil)
1322 (defvar gnus-have-all-headers nil)
1323 (defvar gnus-last-article nil)
1324 (defvar gnus-newsgroup-history nil)
1325 (defvar gnus-newsgroup-charset nil)
1326 (defvar gnus-newsgroup-ephemeral-charset nil)
1327 (defvar gnus-newsgroup-ephemeral-ignored-charsets nil)
1329 (defvar gnus-article-before-search nil)
1331 (defvar gnus-summary-local-variables
1332 '(gnus-newsgroup-name
1333 gnus-newsgroup-begin gnus-newsgroup-end
1334 gnus-newsgroup-last-rmail gnus-newsgroup-last-mail
1335 gnus-newsgroup-last-folder gnus-newsgroup-last-file
1336 gnus-newsgroup-auto-expire gnus-newsgroup-unreads
1337 gnus-newsgroup-unselected gnus-newsgroup-marked
1338 gnus-newsgroup-spam-marked
1339 gnus-newsgroup-reads gnus-newsgroup-saved
1340 gnus-newsgroup-replied gnus-newsgroup-forwarded
1341 gnus-newsgroup-recent
1342 gnus-newsgroup-expirable
1343 gnus-newsgroup-processable gnus-newsgroup-killed
1344 gnus-newsgroup-downloadable gnus-newsgroup-undownloaded
1345 gnus-newsgroup-unfetched
1346 gnus-newsgroup-unsendable gnus-newsgroup-unseen
1347 gnus-newsgroup-seen gnus-newsgroup-articles
1348 gnus-newsgroup-bookmarks gnus-newsgroup-dormant
1349 gnus-newsgroup-headers gnus-newsgroup-threads
1350 gnus-newsgroup-prepared gnus-summary-highlight-line-function
1351 gnus-current-article gnus-current-headers gnus-have-all-headers
1352 gnus-last-article gnus-article-internal-prepare-hook
1353 gnus-newsgroup-dependencies gnus-newsgroup-selected-overlay
1354 gnus-newsgroup-scored gnus-newsgroup-kill-headers
1355 gnus-thread-expunge-below
1356 gnus-score-alist gnus-current-score-file
1357 (gnus-summary-expunge-below . global)
1358 (gnus-summary-mark-below . global)
1359 (gnus-orphan-score . global)
1360 gnus-newsgroup-active gnus-scores-exclude-files
1361 gnus-newsgroup-history gnus-newsgroup-ancient
1362 gnus-newsgroup-sparse gnus-newsgroup-process-stack
1363 (gnus-newsgroup-adaptive . gnus-use-adaptive-scoring)
1364 gnus-newsgroup-adaptive-score-file (gnus-reffed-article-number . -1)
1365 (gnus-newsgroup-expunged-tally . 0)
1366 gnus-cache-removable-articles gnus-newsgroup-cached
1367 gnus-newsgroup-data gnus-newsgroup-data-reverse
1368 gnus-newsgroup-limit gnus-newsgroup-limits
1369 gnus-newsgroup-charset gnus-newsgroup-display
1370 gnus-summary-use-undownloaded-faces)
1371 "Variables that are buffer-local to the summary buffers.")
1373 (defvar gnus-newsgroup-variables nil
1374 "A list of variables that have separate values in different newsgroups.
1375 A list of newsgroup (summary buffer) local variables, or cons of
1376 variables and their default values (when the default values are not
1377 nil), that should be made global while the summary buffer is active.
1378 These variables can be used to set variables in the group parameters
1379 while still allowing them to affect operations done in other
1380 buffers. For example:
1382 \(setq gnus-newsgroup-variables
1383 '(message-use-followup-to
1384 (gnus-visible-headers .
1385 \"^From:\\\\|^Newsgroups:\\\\|^Subject:\\\\|^Date:\\\\|^To:\")))
1388 ;; Byte-compiler warning.
1390 ;; Bind features so that require will believe that gnus-sum has
1391 ;; already been loaded (avoids infinite recursion)
1392 (let ((features (cons 'gnus-sum features)))
1393 ;; Several of the declarations in gnus-sum are needed to load the
1394 ;; following files. Right now, these definitions have been
1395 ;; compiled but not defined (evaluated). We could either do a
1396 ;; eval-and-compile about all of the declarations or evaluate the
1398 (if (boundp 'gnus-newsgroup-variables)
1400 (load "gnus-sum.el" t t t))
1402 (require 'gnus-agent)
1403 (require 'gnus-art)))
1407 (defvar gnus-decode-encoded-word-methods
1408 '(mail-decode-encoded-word-string)
1409 "List of methods used to decode encoded words.
1411 This variable is a list of FUNCTION or (REGEXP . FUNCTION). If item
1412 is FUNCTION, FUNCTION will be apply to all newsgroups. If item is a
1413 \(REGEXP . FUNCTION), FUNCTION will be only apply to thes newsgroups
1414 whose names match REGEXP.
1417 \((\"chinese\" . gnus-decode-encoded-word-string-by-guess)
1418 mail-decode-encoded-word-string
1419 (\"chinese\" . rfc1843-decode-string))")
1421 (defvar gnus-decode-encoded-word-methods-cache nil)
1423 (defun gnus-multi-decode-encoded-word-string (string)
1424 "Apply the functions from `gnus-encoded-word-methods' that match."
1425 (unless (and gnus-decode-encoded-word-methods-cache
1426 (eq gnus-newsgroup-name
1427 (car gnus-decode-encoded-word-methods-cache)))
1428 (setq gnus-decode-encoded-word-methods-cache (list gnus-newsgroup-name))
1431 (nconc gnus-decode-encoded-word-methods-cache (list x))
1432 (if (and gnus-newsgroup-name
1433 (string-match (car x) gnus-newsgroup-name))
1434 (nconc gnus-decode-encoded-word-methods-cache
1436 gnus-decode-encoded-word-methods))
1437 (let ((xlist gnus-decode-encoded-word-methods-cache))
1440 (setq string (funcall (pop xlist) string))))
1443 ;; Subject simplification.
1445 (defun gnus-simplify-whitespace (str)
1446 "Remove excessive whitespace from STR."
1448 (while (string-match "[ \t][ \t]+" str)
1449 (setq str (concat (substring str 0 (match-beginning 0))
1451 (substring str (match-end 0)))))
1453 (when (string-match "^[ \t]+" str)
1454 (setq str (substring str (match-end 0))))
1456 (when (string-match "[ \t]+$" str)
1457 (setq str (substring str 0 (match-beginning 0))))
1460 (defun gnus-simplify-all-whitespace (str)
1461 "Remove all whitespace from STR."
1462 (while (string-match "[ \t\n]+" str)
1463 (setq str (replace-match "" nil nil str)))
1466 (defsubst gnus-simplify-subject-re (subject)
1467 "Remove \"Re:\" from subject lines."
1468 (if (string-match message-subject-re-regexp subject)
1469 (substring subject (match-end 0))
1472 (defun gnus-simplify-subject (subject &optional re-only)
1473 "Remove `Re:' and words in parentheses.
1474 If RE-ONLY is non-nil, strip leading `Re:'s only."
1475 (let ((case-fold-search t)) ;Ignore case.
1476 ;; Remove `Re:', `Re^N:', `Re(n)', and `Re[n]:'.
1477 (when (string-match "\\`\\(re\\([[(^][0-9]+[])]?\\)?:[ \t]*\\)+" subject)
1478 (setq subject (substring subject (match-end 0))))
1479 ;; Remove uninteresting prefixes.
1480 (when (and (not re-only)
1481 gnus-simplify-ignored-prefixes
1482 (string-match gnus-simplify-ignored-prefixes subject))
1483 (setq subject (substring subject (match-end 0))))
1484 ;; Remove words in parentheses from end.
1486 (while (string-match "[ \t\n]*([^()]*)[ \t\n]*\\'" subject)
1487 (setq subject (substring subject 0 (match-beginning 0)))))
1488 ;; Return subject string.
1491 ;; Remove any leading "re:"s, any trailing paren phrases, and simplify
1493 (defsubst gnus-simplify-buffer-fuzzy-step (regexp &optional newtext)
1494 (goto-char (point-min))
1495 (while (re-search-forward regexp nil t)
1496 (replace-match (or newtext ""))))
1498 (defun gnus-simplify-buffer-fuzzy ()
1499 "Simplify string in the buffer fuzzily.
1500 The string in the accessible portion of the current buffer is simplified.
1501 It is assumed to be a single-line subject.
1502 Whitespace is generally cleaned up, and miscellaneous leading/trailing
1503 matter is removed. Additional things can be deleted by setting
1504 `gnus-simplify-subject-fuzzy-regexp'."
1505 (let ((case-fold-search t)
1507 (gnus-simplify-buffer-fuzzy-step "\t" " ")
1509 (while (not (eq modified-tick (buffer-modified-tick)))
1510 (setq modified-tick (buffer-modified-tick))
1512 ((listp gnus-simplify-subject-fuzzy-regexp)
1513 (mapcar 'gnus-simplify-buffer-fuzzy-step
1514 gnus-simplify-subject-fuzzy-regexp))
1515 (gnus-simplify-subject-fuzzy-regexp
1516 (gnus-simplify-buffer-fuzzy-step gnus-simplify-subject-fuzzy-regexp)))
1517 (gnus-simplify-buffer-fuzzy-step "^ *\\[[-+?*!][-+?*!]\\] *")
1518 (gnus-simplify-buffer-fuzzy-step
1519 "^ *\\(re\\|fw\\|fwd\\)[[{(^0-9]*[])}]?[:;] *")
1520 (gnus-simplify-buffer-fuzzy-step "^[[].*:\\( .*\\)[]]$" "\\1"))
1522 (gnus-simplify-buffer-fuzzy-step " *[[{(][^()\n]*[]})] *$")
1523 (gnus-simplify-buffer-fuzzy-step " +" " ")
1524 (gnus-simplify-buffer-fuzzy-step " $")
1525 (gnus-simplify-buffer-fuzzy-step "^ +")))
1527 (defun gnus-simplify-subject-fuzzy (subject)
1528 "Simplify a subject string fuzzily.
1529 See `gnus-simplify-buffer-fuzzy' for details."
1531 (gnus-set-work-buffer)
1532 (let ((case-fold-search t))
1533 ;; Remove uninteresting prefixes.
1534 (when (and gnus-simplify-ignored-prefixes
1535 (string-match gnus-simplify-ignored-prefixes subject))
1536 (setq subject (substring subject (match-end 0))))
1538 (inline (gnus-simplify-buffer-fuzzy))
1541 (defsubst gnus-simplify-subject-fully (subject)
1542 "Simplify a subject string according to `gnus-summary-gather-subject-limit'."
1544 (gnus-simplify-subject-functions
1545 (gnus-map-function gnus-simplify-subject-functions subject))
1546 ((null gnus-summary-gather-subject-limit)
1547 (gnus-simplify-subject-re subject))
1548 ((eq gnus-summary-gather-subject-limit 'fuzzy)
1549 (gnus-simplify-subject-fuzzy subject))
1550 ((numberp gnus-summary-gather-subject-limit)
1551 (gnus-limit-string (gnus-simplify-subject-re subject)
1552 gnus-summary-gather-subject-limit))
1556 (defsubst gnus-subject-equal (s1 s2 &optional simple-first)
1557 "Check whether two subjects are equal.
1558 If optional argument SIMPLE-FIRST is t, first argument is already
1561 ((null simple-first)
1562 (equal (gnus-simplify-subject-fully s1)
1563 (gnus-simplify-subject-fully s2)))
1566 (gnus-simplify-subject-fully s2)))))
1568 (defun gnus-summary-bubble-group ()
1569 "Increase the score of the current group.
1570 This is a handy function to add to `gnus-summary-exit-hook' to
1571 increase the score of each group you read."
1572 (gnus-group-add-score gnus-newsgroup-name))
1576 ;;; Gnus summary mode
1579 (put 'gnus-summary-mode 'mode-class 'special)
1581 (defvar gnus-article-commands-menu)
1583 ;; Non-orthogonal keys
1585 (gnus-define-keys gnus-summary-mode-map
1586 " " gnus-summary-next-page
1587 "\177" gnus-summary-prev-page
1588 [delete] gnus-summary-prev-page
1589 [backspace] gnus-summary-prev-page
1590 "\r" gnus-summary-scroll-up
1591 "\M-\r" gnus-summary-scroll-down
1592 "n" gnus-summary-next-unread-article
1593 "p" gnus-summary-prev-unread-article
1594 "N" gnus-summary-next-article
1595 "P" gnus-summary-prev-article
1596 "\M-\C-n" gnus-summary-next-same-subject
1597 "\M-\C-p" gnus-summary-prev-same-subject
1598 "\M-n" gnus-summary-next-unread-subject
1599 "\M-p" gnus-summary-prev-unread-subject
1600 "." gnus-summary-first-unread-article
1601 "," gnus-summary-best-unread-article
1602 "\M-s" gnus-summary-search-article-forward
1603 "\M-r" gnus-summary-search-article-backward
1604 "<" gnus-summary-beginning-of-article
1605 ">" gnus-summary-end-of-article
1606 "j" gnus-summary-goto-article
1607 "^" gnus-summary-refer-parent-article
1608 "\M-^" gnus-summary-refer-article
1609 "u" gnus-summary-tick-article-forward
1610 "!" gnus-summary-tick-article-forward
1611 "U" gnus-summary-tick-article-backward
1612 "d" gnus-summary-mark-as-read-forward
1613 "D" gnus-summary-mark-as-read-backward
1614 "E" gnus-summary-mark-as-expirable
1615 "\M-u" gnus-summary-clear-mark-forward
1616 "\M-U" gnus-summary-clear-mark-backward
1617 "k" gnus-summary-kill-same-subject-and-select
1618 "\C-k" gnus-summary-kill-same-subject
1619 "\M-\C-k" gnus-summary-kill-thread
1620 "\M-\C-l" gnus-summary-lower-thread
1621 "e" gnus-summary-edit-article
1622 "#" gnus-summary-mark-as-processable
1623 "\M-#" gnus-summary-unmark-as-processable
1624 "\M-\C-t" gnus-summary-toggle-threads
1625 "\M-\C-s" gnus-summary-show-thread
1626 "\M-\C-h" gnus-summary-hide-thread
1627 "\M-\C-f" gnus-summary-next-thread
1628 "\M-\C-b" gnus-summary-prev-thread
1629 [(meta down)] gnus-summary-next-thread
1630 [(meta up)] gnus-summary-prev-thread
1631 "\M-\C-u" gnus-summary-up-thread
1632 "\M-\C-d" gnus-summary-down-thread
1633 "&" gnus-summary-execute-command
1634 "c" gnus-summary-catchup-and-exit
1635 "\C-w" gnus-summary-mark-region-as-read
1636 "\C-t" gnus-summary-toggle-truncation
1637 "?" gnus-summary-mark-as-dormant
1638 "\C-c\M-\C-s" gnus-summary-limit-include-expunged
1639 "\C-c\C-s\C-n" gnus-summary-sort-by-number
1640 "\C-c\C-s\C-l" gnus-summary-sort-by-lines
1641 "\C-c\C-s\C-c" gnus-summary-sort-by-chars
1642 "\C-c\C-s\C-a" gnus-summary-sort-by-author
1643 "\C-c\C-s\C-s" gnus-summary-sort-by-subject
1644 "\C-c\C-s\C-d" gnus-summary-sort-by-date
1645 "\C-c\C-s\C-i" gnus-summary-sort-by-score
1646 "\C-c\C-s\C-o" gnus-summary-sort-by-original
1647 "\C-c\C-s\C-r" gnus-summary-sort-by-random
1648 "=" gnus-summary-expand-window
1649 "\C-x\C-s" gnus-summary-reselect-current-group
1650 "\M-g" gnus-summary-rescan-group
1651 "w" gnus-summary-stop-page-breaking
1652 "\C-c\C-r" gnus-summary-caesar-message
1653 "f" gnus-summary-followup
1654 "F" gnus-summary-followup-with-original
1655 "C" gnus-summary-cancel-article
1656 "r" gnus-summary-reply
1657 "R" gnus-summary-reply-with-original
1658 "\C-c\C-f" gnus-summary-mail-forward
1659 "o" gnus-summary-save-article
1660 "\C-o" gnus-summary-save-article-mail
1661 "|" gnus-summary-pipe-output
1662 "\M-k" gnus-summary-edit-local-kill
1663 "\M-K" gnus-summary-edit-global-kill
1665 "\C-c\C-d" gnus-summary-describe-group
1666 "q" gnus-summary-exit
1667 "Q" gnus-summary-exit-no-update
1668 "\C-c\C-i" gnus-info-find-node
1669 gnus-mouse-2 gnus-mouse-pick-article
1670 "m" gnus-summary-mail-other-window
1671 "a" gnus-summary-post-news
1672 "i" gnus-summary-news-other-window
1673 "x" gnus-summary-limit-to-unread
1674 "s" gnus-summary-isearch-article
1675 "t" gnus-summary-toggle-header
1676 "g" gnus-summary-show-article
1677 "l" gnus-summary-goto-last-article
1678 "\C-c\C-v\C-v" gnus-uu-decode-uu-view
1679 "\C-d" gnus-summary-enter-digest-group
1680 "\M-\C-d" gnus-summary-read-document
1681 "\M-\C-e" gnus-summary-edit-parameters
1682 "\M-\C-a" gnus-summary-customize-parameters
1684 "*" gnus-cache-enter-article
1685 "\M-*" gnus-cache-remove-article
1686 "\M-&" gnus-summary-universal-argument
1687 "\C-l" gnus-recenter
1688 "I" gnus-summary-increase-score
1689 "L" gnus-summary-lower-score
1690 "\M-i" gnus-symbolic-argument
1691 "h" gnus-summary-select-article-buffer
1693 "b" gnus-article-view-part
1694 "\M-t" gnus-summary-toggle-display-buttonized
1696 "V" gnus-summary-score-map
1697 "X" gnus-uu-extract-map
1698 "S" gnus-summary-send-map)
1700 ;; Sort of orthogonal keymap
1701 (gnus-define-keys (gnus-summary-mark-map "M" gnus-summary-mode-map)
1702 "t" gnus-summary-tick-article-forward
1703 "!" gnus-summary-tick-article-forward
1704 "d" gnus-summary-mark-as-read-forward
1705 "r" gnus-summary-mark-as-read-forward
1706 "c" gnus-summary-clear-mark-forward
1707 " " gnus-summary-clear-mark-forward
1708 "e" gnus-summary-mark-as-expirable
1709 "x" gnus-summary-mark-as-expirable
1710 "?" gnus-summary-mark-as-dormant
1711 "b" gnus-summary-set-bookmark
1712 "B" gnus-summary-remove-bookmark
1713 "#" gnus-summary-mark-as-processable
1714 "\M-#" gnus-summary-unmark-as-processable
1715 "S" gnus-summary-limit-include-expunged
1716 "C" gnus-summary-catchup
1717 "H" gnus-summary-catchup-to-here
1718 "h" gnus-summary-catchup-from-here
1719 "\C-c" gnus-summary-catchup-all
1720 "k" gnus-summary-kill-same-subject-and-select
1721 "K" gnus-summary-kill-same-subject
1722 "P" gnus-uu-mark-map)
1724 (gnus-define-keys (gnus-summary-mscore-map "V" gnus-summary-mark-map)
1725 "c" gnus-summary-clear-above
1726 "u" gnus-summary-tick-above
1727 "m" gnus-summary-mark-above
1728 "k" gnus-summary-kill-below)
1730 (gnus-define-keys (gnus-summary-limit-map "/" gnus-summary-mode-map)
1731 "/" gnus-summary-limit-to-subject
1732 "n" gnus-summary-limit-to-articles
1733 "w" gnus-summary-pop-limit
1734 "s" gnus-summary-limit-to-subject
1735 "a" gnus-summary-limit-to-author
1736 "u" gnus-summary-limit-to-unread
1737 "m" gnus-summary-limit-to-marks
1738 "M" gnus-summary-limit-exclude-marks
1739 "v" gnus-summary-limit-to-score
1740 "*" gnus-summary-limit-include-cached
1741 "D" gnus-summary-limit-include-dormant
1742 "T" gnus-summary-limit-include-thread
1743 "d" gnus-summary-limit-exclude-dormant
1744 "t" gnus-summary-limit-to-age
1745 "." gnus-summary-limit-to-unseen
1746 "x" gnus-summary-limit-to-extra
1747 "p" gnus-summary-limit-to-display-predicate
1748 "E" gnus-summary-limit-include-expunged
1749 "c" gnus-summary-limit-exclude-childless-dormant
1750 "C" gnus-summary-limit-mark-excluded-as-read
1751 "o" gnus-summary-insert-old-articles
1752 "N" gnus-summary-insert-new-articles)
1754 (gnus-define-keys (gnus-summary-goto-map "G" gnus-summary-mode-map)
1755 "n" gnus-summary-next-unread-article
1756 "p" gnus-summary-prev-unread-article
1757 "N" gnus-summary-next-article
1758 "P" gnus-summary-prev-article
1759 "\C-n" gnus-summary-next-same-subject
1760 "\C-p" gnus-summary-prev-same-subject
1761 "\M-n" gnus-summary-next-unread-subject
1762 "\M-p" gnus-summary-prev-unread-subject
1763 "f" gnus-summary-first-unread-article
1764 "b" gnus-summary-best-unread-article
1765 "j" gnus-summary-goto-article
1766 "g" gnus-summary-goto-subject
1767 "l" gnus-summary-goto-last-article
1768 "o" gnus-summary-pop-article)
1770 (gnus-define-keys (gnus-summary-thread-map "T" gnus-summary-mode-map)
1771 "k" gnus-summary-kill-thread
1772 "l" gnus-summary-lower-thread
1773 "i" gnus-summary-raise-thread
1774 "T" gnus-summary-toggle-threads
1775 "t" gnus-summary-rethread-current
1776 "^" gnus-summary-reparent-thread
1777 "s" gnus-summary-show-thread
1778 "S" gnus-summary-show-all-threads
1779 "h" gnus-summary-hide-thread
1780 "H" gnus-summary-hide-all-threads
1781 "n" gnus-summary-next-thread
1782 "p" gnus-summary-prev-thread
1783 "u" gnus-summary-up-thread
1784 "o" gnus-summary-top-thread
1785 "d" gnus-summary-down-thread
1786 "#" gnus-uu-mark-thread
1787 "\M-#" gnus-uu-unmark-thread)
1789 (gnus-define-keys (gnus-summary-buffer-map "Y" gnus-summary-mode-map)
1790 "g" gnus-summary-prepare
1791 "c" gnus-summary-insert-cached-articles
1792 "d" gnus-summary-insert-dormant-articles)
1794 (gnus-define-keys (gnus-summary-exit-map "Z" gnus-summary-mode-map)
1795 "c" gnus-summary-catchup-and-exit
1796 "C" gnus-summary-catchup-all-and-exit
1797 "E" gnus-summary-exit-no-update
1798 "Q" gnus-summary-exit
1799 "Z" gnus-summary-exit
1800 "n" gnus-summary-catchup-and-goto-next-group
1801 "R" gnus-summary-reselect-current-group
1802 "G" gnus-summary-rescan-group
1803 "N" gnus-summary-next-group
1804 "s" gnus-summary-save-newsrc
1805 "P" gnus-summary-prev-group)
1807 (gnus-define-keys (gnus-summary-article-map "A" gnus-summary-mode-map)
1808 " " gnus-summary-next-page
1809 "n" gnus-summary-next-page
1810 "\177" gnus-summary-prev-page
1811 [delete] gnus-summary-prev-page
1812 "p" gnus-summary-prev-page
1813 "\r" gnus-summary-scroll-up
1814 "\M-\r" gnus-summary-scroll-down
1815 "<" gnus-summary-beginning-of-article
1816 ">" gnus-summary-end-of-article
1817 "b" gnus-summary-beginning-of-article
1818 "e" gnus-summary-end-of-article
1819 "^" gnus-summary-refer-parent-article
1820 "r" gnus-summary-refer-parent-article
1821 "D" gnus-summary-enter-digest-group
1822 "R" gnus-summary-refer-references
1823 "T" gnus-summary-refer-thread
1824 "g" gnus-summary-show-article
1825 "s" gnus-summary-isearch-article
1826 "P" gnus-summary-print-article
1827 "M" gnus-mailing-list-insinuate
1828 "t" gnus-article-babel)
1830 (gnus-define-keys (gnus-summary-wash-map "W" gnus-summary-mode-map)
1831 "b" gnus-article-add-buttons
1832 "B" gnus-article-add-buttons-to-head
1833 "o" gnus-article-treat-overstrike
1834 "e" gnus-article-emphasize
1835 "w" gnus-article-fill-cited-article
1836 "Q" gnus-article-fill-long-lines
1837 "C" gnus-article-capitalize-sentences
1838 "c" gnus-article-remove-cr
1839 "q" gnus-article-de-quoted-unreadable
1840 "6" gnus-article-de-base64-unreadable
1841 "Z" gnus-article-decode-HZ
1842 "h" gnus-article-wash-html
1843 "u" gnus-article-unsplit-urls
1844 "s" gnus-summary-force-verify-and-decrypt
1845 "f" gnus-article-display-x-face
1846 "l" gnus-summary-stop-page-breaking
1847 "r" gnus-summary-caesar-message
1848 "m" gnus-summary-morse-message
1849 "t" gnus-summary-toggle-header
1850 "g" gnus-treat-smiley
1851 "v" gnus-summary-verbose-headers
1852 "a" gnus-article-strip-headers-in-body ;; mnemonic: wash archive
1853 "p" gnus-article-verify-x-pgp-sig
1854 "d" gnus-article-treat-dumbquotes)
1856 (gnus-define-keys (gnus-summary-wash-deuglify-map "Y" gnus-summary-wash-map)
1857 ;; mnemonic: deuglif*Y*
1858 "u" gnus-article-outlook-unwrap-lines
1859 "a" gnus-article-outlook-repair-attribution
1860 "c" gnus-article-outlook-rearrange-citation
1861 "f" gnus-article-outlook-deuglify-article) ;; mnemonic: full deuglify
1863 (gnus-define-keys (gnus-summary-wash-hide-map "W" gnus-summary-wash-map)
1864 "a" gnus-article-hide
1865 "h" gnus-article-hide-headers
1866 "b" gnus-article-hide-boring-headers
1867 "s" gnus-article-hide-signature
1868 "c" gnus-article-hide-citation
1869 "C" gnus-article-hide-citation-in-followups
1870 "l" gnus-article-hide-list-identifiers
1871 "B" gnus-article-strip-banner
1872 "P" gnus-article-hide-pem
1873 "\C-c" gnus-article-hide-citation-maybe)
1875 (gnus-define-keys (gnus-summary-wash-highlight-map "H" gnus-summary-wash-map)
1876 "a" gnus-article-highlight
1877 "h" gnus-article-highlight-headers
1878 "c" gnus-article-highlight-citation
1879 "s" gnus-article-highlight-signature)
1881 (gnus-define-keys (gnus-summary-wash-header-map "G" gnus-summary-wash-map)
1882 "f" gnus-article-treat-fold-headers
1883 "u" gnus-article-treat-unfold-headers
1884 "n" gnus-article-treat-fold-newsgroups)
1886 (gnus-define-keys (gnus-summary-wash-display-map "D" gnus-summary-wash-map)
1887 "x" gnus-article-display-x-face
1888 "d" gnus-article-display-face
1889 "s" gnus-treat-smiley
1890 "D" gnus-article-remove-images
1891 "f" gnus-treat-from-picon
1892 "m" gnus-treat-mail-picon
1893 "n" gnus-treat-newsgroups-picon)
1895 (gnus-define-keys (gnus-summary-wash-mime-map "M" gnus-summary-wash-map)
1896 "w" gnus-article-decode-mime-words
1897 "c" gnus-article-decode-charset
1898 "v" gnus-mime-view-all-parts
1899 "b" gnus-article-view-part)
1901 (gnus-define-keys (gnus-summary-wash-time-map "T" gnus-summary-wash-map)
1902 "z" gnus-article-date-ut
1903 "u" gnus-article-date-ut
1904 "l" gnus-article-date-local
1905 "p" gnus-article-date-english
1906 "e" gnus-article-date-lapsed
1907 "o" gnus-article-date-original
1908 "i" gnus-article-date-iso8601
1909 "s" gnus-article-date-user)
1911 (gnus-define-keys (gnus-summary-wash-empty-map "E" gnus-summary-wash-map)
1912 "t" gnus-article-remove-trailing-blank-lines
1913 "l" gnus-article-strip-leading-blank-lines
1914 "m" gnus-article-strip-multiple-blank-lines
1915 "a" gnus-article-strip-blank-lines
1916 "A" gnus-article-strip-all-blank-lines
1917 "s" gnus-article-strip-leading-space
1918 "e" gnus-article-strip-trailing-space
1919 "w" gnus-article-remove-leading-whitespace)
1921 (gnus-define-keys (gnus-summary-help-map "H" gnus-summary-mode-map)
1923 "f" gnus-summary-fetch-faq
1924 "d" gnus-summary-describe-group
1925 "h" gnus-summary-describe-briefly
1926 "i" gnus-info-find-node
1927 "c" gnus-group-fetch-charter
1928 "C" gnus-group-fetch-control)
1930 (gnus-define-keys (gnus-summary-backend-map "B" gnus-summary-mode-map)
1931 "e" gnus-summary-expire-articles
1932 "\M-\C-e" gnus-summary-expire-articles-now
1933 "\177" gnus-summary-delete-article
1934 [delete] gnus-summary-delete-article
1935 [backspace] gnus-summary-delete-article
1936 "m" gnus-summary-move-article
1937 "r" gnus-summary-respool-article
1938 "w" gnus-summary-edit-article
1939 "c" gnus-summary-copy-article
1940 "B" gnus-summary-crosspost-article
1941 "q" gnus-summary-respool-query
1942 "t" gnus-summary-respool-trace
1943 "i" gnus-summary-import-article
1944 "I" gnus-summary-create-article
1945 "p" gnus-summary-article-posted-p)
1947 (gnus-define-keys (gnus-summary-save-map "O" gnus-summary-mode-map)
1948 "o" gnus-summary-save-article
1949 "m" gnus-summary-save-article-mail
1950 "F" gnus-summary-write-article-file
1951 "r" gnus-summary-save-article-rmail
1952 "f" gnus-summary-save-article-file
1953 "b" gnus-summary-save-article-body-file
1954 "h" gnus-summary-save-article-folder
1955 "v" gnus-summary-save-article-vm
1956 "p" gnus-summary-pipe-output
1957 "P" gnus-summary-muttprint
1958 "s" gnus-soup-add-article)
1960 (gnus-define-keys (gnus-summary-mime-map "K" gnus-summary-mode-map)
1961 "b" gnus-summary-display-buttonized
1962 "m" gnus-summary-repair-multipart
1963 "v" gnus-article-view-part
1964 "o" gnus-article-save-part
1965 "c" gnus-article-copy-part
1966 "C" gnus-article-view-part-as-charset
1967 "e" gnus-article-view-part-externally
1968 "E" gnus-article-encrypt-body
1969 "i" gnus-article-inline-part
1970 "|" gnus-article-pipe-part)
1972 (gnus-define-keys (gnus-uu-mark-map "P" gnus-summary-mark-map)
1973 "p" gnus-summary-mark-as-processable
1974 "u" gnus-summary-unmark-as-processable
1975 "U" gnus-summary-unmark-all-processable
1976 "v" gnus-uu-mark-over
1977 "s" gnus-uu-mark-series
1978 "r" gnus-uu-mark-region
1979 "g" gnus-uu-unmark-region
1980 "R" gnus-uu-mark-by-regexp
1981 "G" gnus-uu-unmark-by-regexp
1982 "t" gnus-uu-mark-thread
1983 "T" gnus-uu-unmark-thread
1984 "a" gnus-uu-mark-all
1985 "b" gnus-uu-mark-buffer
1986 "S" gnus-uu-mark-sparse
1987 "k" gnus-summary-kill-process-mark
1988 "y" gnus-summary-yank-process-mark
1989 "w" gnus-summary-save-process-mark
1990 "i" gnus-uu-invert-processable)
1992 (gnus-define-keys (gnus-uu-extract-map "X" gnus-summary-mode-map)
1993 ;;"x" gnus-uu-extract-any
1994 "m" gnus-summary-save-parts
1995 "u" gnus-uu-decode-uu
1996 "U" gnus-uu-decode-uu-and-save
1997 "s" gnus-uu-decode-unshar
1998 "S" gnus-uu-decode-unshar-and-save
1999 "o" gnus-uu-decode-save
2000 "O" gnus-uu-decode-save
2001 "b" gnus-uu-decode-binhex
2002 "B" gnus-uu-decode-binhex
2003 "p" gnus-uu-decode-postscript
2004 "P" gnus-uu-decode-postscript-and-save)
2007 (gnus-uu-extract-view-map "v" gnus-uu-extract-map)
2008 "u" gnus-uu-decode-uu-view
2009 "U" gnus-uu-decode-uu-and-save-view
2010 "s" gnus-uu-decode-unshar-view
2011 "S" gnus-uu-decode-unshar-and-save-view
2012 "o" gnus-uu-decode-save-view
2013 "O" gnus-uu-decode-save-view
2014 "b" gnus-uu-decode-binhex-view
2015 "B" gnus-uu-decode-binhex-view
2016 "p" gnus-uu-decode-postscript-view
2017 "P" gnus-uu-decode-postscript-and-save-view)
2019 (defvar gnus-article-post-menu nil)
2021 (defconst gnus-summary-menu-maxlen 20)
2023 (defun gnus-summary-menu-split (menu)
2024 ;; If we have lots of elements, divide them into groups of 20
2025 ;; and make a pane (or submenu) for each one.
2026 (if (> (length menu) (/ (* gnus-summary-menu-maxlen 3) 2))
2027 (let ((menu menu) sublists next
2030 ;; Pull off the next gnus-summary-menu-maxlen elements
2031 ;; and make them the next element of sublist.
2032 (setq next (nthcdr gnus-summary-menu-maxlen menu))
2034 (setcdr (nthcdr (1- gnus-summary-menu-maxlen) menu)
2036 (setq sublists (cons (cons (format "%s ... %s" (aref (car menu) 0)
2037 (aref (car (last menu)) 0)) menu)
2041 (nreverse sublists))
2042 ;; Few elements--put them all in one pane.
2045 (defun gnus-summary-make-menu-bar ()
2046 (gnus-turn-off-edit-menu 'summary)
2048 (unless (boundp 'gnus-summary-misc-menu)
2051 gnus-summary-kill-menu gnus-summary-mode-map ""
2056 ["Customize" gnus-score-customize t])
2057 (gnus-make-score-map 'increase)
2058 (gnus-make-score-map 'lower)
2060 ["Kill below" gnus-summary-kill-below t]
2061 ["Mark above" gnus-summary-mark-above t]
2062 ["Tick above" gnus-summary-tick-above t]
2063 ["Clear above" gnus-summary-clear-above t])
2064 ["Current score" gnus-summary-current-score t]
2065 ["Set score" gnus-summary-set-score t]
2066 ["Switch current score file..." gnus-score-change-score-file t]
2067 ["Set mark below..." gnus-score-set-mark-below t]
2068 ["Set expunge below..." gnus-score-set-expunge-below t]
2069 ["Edit current score file" gnus-score-edit-current-scores t]
2070 ["Edit score file" gnus-score-edit-file t]
2071 ["Trace score" gnus-score-find-trace t]
2072 ["Find words" gnus-score-find-favourite-words t]
2073 ["Rescore buffer" gnus-summary-rescore t]
2074 ["Increase score..." gnus-summary-increase-score t]
2075 ["Lower score..." gnus-summary-lower-score t]))))
2077 ;; Define both the Article menu in the summary buffer and the
2078 ;; equivalent Commands menu in the article buffer here for
2082 ["All" gnus-article-hide t]
2083 ["Headers" gnus-article-hide-headers t]
2084 ["Signature" gnus-article-hide-signature t]
2085 ["Citation" gnus-article-hide-citation t]
2086 ["List identifiers" gnus-article-hide-list-identifiers t]
2087 ["Banner" gnus-article-strip-banner t]
2088 ["Boring headers" gnus-article-hide-boring-headers t])
2090 ["All" gnus-article-highlight t]
2091 ["Headers" gnus-article-highlight-headers t]
2092 ["Signature" gnus-article-highlight-signature t]
2093 ["Citation" gnus-article-highlight-citation t])
2095 ["Words" gnus-article-decode-mime-words t]
2096 ["Charset" gnus-article-decode-charset t]
2097 ["QP" gnus-article-de-quoted-unreadable t]
2098 ["Base64" gnus-article-de-base64-unreadable t]
2099 ["View MIME buttons" gnus-summary-display-buttonized t]
2100 ["View all" gnus-mime-view-all-parts t]
2101 ["Verify and Decrypt" gnus-summary-force-verify-and-decrypt t]
2102 ["Encrypt body" gnus-article-encrypt-body
2103 :active (not (gnus-group-read-only-p))
2104 ,@(if (featurep 'xemacs) nil
2105 '(:help "Encrypt the message body on disk"))]
2106 ["Extract all parts" gnus-summary-save-parts t]
2108 ["Repair multipart" gnus-summary-repair-multipart t]
2109 ["Pipe part" gnus-article-pipe-part t]
2110 ["Inline part" gnus-article-inline-part t]
2111 ["Encrypt body" gnus-article-encrypt-body
2112 :active (not (gnus-group-read-only-p))
2113 ,@(if (featurep 'xemacs) nil
2114 '(:help "Encrypt the message body on disk"))]
2115 ["View part externally" gnus-article-view-part-externally t]
2116 ["View part with charset" gnus-article-view-part-as-charset t]
2117 ["Copy part" gnus-article-copy-part t]
2118 ["Save part" gnus-article-save-part t]
2119 ["View part" gnus-article-view-part t]))
2121 ["Local" gnus-article-date-local t]
2122 ["ISO8601" gnus-article-date-iso8601 t]
2123 ["UT" gnus-article-date-ut t]
2124 ["Original" gnus-article-date-original t]
2125 ["Lapsed" gnus-article-date-lapsed t]
2126 ["User-defined" gnus-article-date-user t])
2128 ["Remove images" gnus-article-remove-images t]
2129 ["Toggle smiley" gnus-treat-smiley t]
2130 ["Show X-Face" gnus-article-display-x-face t]
2131 ["Show picons in From" gnus-treat-from-picon t]
2132 ["Show picons in mail headers" gnus-treat-mail-picon t]
2133 ["Show picons in news headers" gnus-treat-newsgroups-picon t]
2134 ("View as different encoding"
2135 ,@(gnus-summary-menu-split
2138 ;; Since easymenu under Emacs doesn't allow
2139 ;; lambda forms for menu commands, we should
2140 ;; provide intern'ed function symbols.
2141 (let ((command (intern (format "\
2142 gnus-summary-show-article-from-menu-as-charset-%s" cs))))
2146 (let ((gnus-summary-show-article-charset-alist
2148 (gnus-summary-show-article 1))))
2149 `[,(symbol-name cs) ,command t]))
2150 (sort (if (fboundp 'coding-system-list)
2151 (coding-system-list)
2152 (mapcar 'car mm-mime-mule-charset-alist))
2156 ["Leading" gnus-article-strip-leading-blank-lines t]
2157 ["Multiple" gnus-article-strip-multiple-blank-lines t]
2158 ["Trailing" gnus-article-remove-trailing-blank-lines t]
2159 ["All of the above" gnus-article-strip-blank-lines t]
2160 ["All" gnus-article-strip-all-blank-lines t]
2161 ["Leading space" gnus-article-strip-leading-space t]
2162 ["Trailing space" gnus-article-strip-trailing-space t]
2163 ["Leading space in headers"
2164 gnus-article-remove-leading-whitespace t])
2165 ["Overstrike" gnus-article-treat-overstrike t]
2166 ["Dumb quotes" gnus-article-treat-dumbquotes t]
2167 ["Emphasis" gnus-article-emphasize t]
2168 ["Word wrap" gnus-article-fill-cited-article t]
2169 ["Fill long lines" gnus-article-fill-long-lines t]
2170 ["Capitalize sentences" gnus-article-capitalize-sentences t]
2171 ["CR" gnus-article-remove-cr t]
2172 ["Quoted-Printable" gnus-article-de-quoted-unreadable t]
2173 ["Base64" gnus-article-de-base64-unreadable t]
2174 ["Rot 13" gnus-summary-caesar-message
2175 ,@(if (featurep 'xemacs) '(t)
2176 '(:help "\"Caesar rotate\" article by 13"))]
2177 ["Morse decode" gnus-summary-morse-message t]
2178 ["Unix pipe..." gnus-summary-pipe-message t]
2179 ["Add buttons" gnus-article-add-buttons t]
2180 ["Add buttons to head" gnus-article-add-buttons-to-head t]
2181 ["Stop page breaking" gnus-summary-stop-page-breaking t]
2182 ["Verbose header" gnus-summary-verbose-headers t]
2183 ["Toggle header" gnus-summary-toggle-header t]
2184 ["Unfold headers" gnus-article-treat-unfold-headers t]
2185 ["Fold newsgroups" gnus-article-treat-fold-newsgroups t]
2186 ["Html" gnus-article-wash-html t]
2187 ["URLs" gnus-article-unsplit-urls t]
2188 ["Verify X-PGP-Sig" gnus-article-verify-x-pgp-sig t]
2189 ["HZ" gnus-article-decode-HZ t]
2190 ("(Outlook) Deuglify"
2191 ["Unwrap lines" gnus-article-outlook-unwrap-lines t]
2192 ["Repair attribution" gnus-article-outlook-repair-attribution t]
2193 ["Rearrange citation" gnus-article-outlook-rearrange-citation t]
2194 ["Full (Outlook) deuglify"
2195 gnus-article-outlook-deuglify-article t])
2198 ["Save in default format" gnus-summary-save-article
2199 ,@(if (featurep 'xemacs) '(t)
2200 '(:help "Save article using default method"))]
2201 ["Save in file" gnus-summary-save-article-file
2202 ,@(if (featurep 'xemacs) '(t)
2203 '(:help "Save article in file"))]
2204 ["Save in Unix mail format" gnus-summary-save-article-mail t]
2205 ["Save in MH folder" gnus-summary-save-article-folder t]
2206 ["Save in VM folder" gnus-summary-save-article-vm t]
2207 ["Save in RMAIL mbox" gnus-summary-save-article-rmail t]
2208 ["Save body in file" gnus-summary-save-article-body-file t]
2209 ["Pipe through a filter" gnus-summary-pipe-output t]
2210 ["Add to SOUP packet" gnus-soup-add-article t]
2211 ["Print with Muttprint" gnus-summary-muttprint t]
2212 ["Print" gnus-summary-print-article t])
2214 ["Respool article..." gnus-summary-respool-article t]
2215 ["Move article..." gnus-summary-move-article
2216 (gnus-check-backend-function
2217 'request-move-article gnus-newsgroup-name)]
2218 ["Copy article..." gnus-summary-copy-article t]
2219 ["Crosspost article..." gnus-summary-crosspost-article
2220 (gnus-check-backend-function
2221 'request-replace-article gnus-newsgroup-name)]
2222 ["Import file..." gnus-summary-import-article
2223 (gnus-check-backend-function
2224 'request-accept-article gnus-newsgroup-name)]
2225 ["Create article..." gnus-summary-create-article
2226 (gnus-check-backend-function
2227 'request-accept-article gnus-newsgroup-name)]
2228 ["Check if posted" gnus-summary-article-posted-p t]
2229 ["Edit article" gnus-summary-edit-article
2230 (not (gnus-group-read-only-p))]
2231 ["Delete article" gnus-summary-delete-article
2232 (gnus-check-backend-function
2233 'request-expire-articles gnus-newsgroup-name)]
2234 ["Query respool" gnus-summary-respool-query t]
2235 ["Trace respool" gnus-summary-respool-trace t]
2236 ["Delete expirable articles" gnus-summary-expire-articles-now
2237 (gnus-check-backend-function
2238 'request-expire-articles gnus-newsgroup-name)])
2240 ["Uudecode" gnus-uu-decode-uu
2241 ,@(if (featurep 'xemacs) '(t)
2242 '(:help "Decode uuencoded article(s)"))]
2243 ["Uudecode and save" gnus-uu-decode-uu-and-save t]
2244 ["Unshar" gnus-uu-decode-unshar t]
2245 ["Unshar and save" gnus-uu-decode-unshar-and-save t]
2246 ["Save" gnus-uu-decode-save t]
2247 ["Binhex" gnus-uu-decode-binhex t]
2248 ["Postscript" gnus-uu-decode-postscript t]
2249 ["All MIME parts" gnus-summary-save-parts t])
2251 ["Enter article" gnus-cache-enter-article t]
2252 ["Remove article" gnus-cache-remove-article t])
2253 ["Translate" gnus-article-babel t]
2254 ["Select article buffer" gnus-summary-select-article-buffer t]
2255 ["Enter digest buffer" gnus-summary-enter-digest-group t]
2256 ["Isearch article..." gnus-summary-isearch-article t]
2257 ["Beginning of the article" gnus-summary-beginning-of-article t]
2258 ["End of the article" gnus-summary-end-of-article t]
2259 ["Fetch parent of article" gnus-summary-refer-parent-article t]
2260 ["Fetch referenced articles" gnus-summary-refer-references t]
2261 ["Fetch current thread" gnus-summary-refer-thread t]
2262 ["Fetch article with id..." gnus-summary-refer-article t]
2263 ["Setup Mailing List Params" gnus-mailing-list-insinuate t]
2264 ["Redisplay" gnus-summary-show-article t]
2265 ["Raw article" gnus-summary-show-raw-article :keys "C-u g"])))
2267 gnus-summary-article-menu gnus-summary-mode-map ""
2268 (cons "Article" innards))
2270 (if (not (keymapp gnus-summary-article-menu))
2272 gnus-article-commands-menu gnus-article-mode-map ""
2273 (cons "Commands" innards))
2274 ;; in Emacs, don't share menu.
2275 (setq gnus-article-commands-menu
2276 (copy-keymap gnus-summary-article-menu))
2277 (define-key gnus-article-mode-map [menu-bar commands]
2278 (cons "Commands" gnus-article-commands-menu))))
2281 gnus-summary-thread-menu gnus-summary-mode-map ""
2283 ["Find all messages in thread" gnus-summary-refer-thread t]
2284 ["Toggle threading" gnus-summary-toggle-threads t]
2285 ["Hide threads" gnus-summary-hide-all-threads t]
2286 ["Show threads" gnus-summary-show-all-threads t]
2287 ["Hide thread" gnus-summary-hide-thread t]
2288 ["Show thread" gnus-summary-show-thread t]
2289 ["Go to next thread" gnus-summary-next-thread t]
2290 ["Go to previous thread" gnus-summary-prev-thread t]
2291 ["Go down thread" gnus-summary-down-thread t]
2292 ["Go up thread" gnus-summary-up-thread t]
2293 ["Top of thread" gnus-summary-top-thread t]
2294 ["Mark thread as read" gnus-summary-kill-thread t]
2295 ["Lower thread score" gnus-summary-lower-thread t]
2296 ["Raise thread score" gnus-summary-raise-thread t]
2297 ["Rethread current" gnus-summary-rethread-current t]))
2300 gnus-summary-post-menu gnus-summary-mode-map ""
2302 ["Send a message (mail or news)" gnus-summary-post-news
2303 ,@(if (featurep 'xemacs) '(t)
2304 '(:help "Post an article"))]
2305 ["Followup" gnus-summary-followup
2306 ,@(if (featurep 'xemacs) '(t)
2307 '(:help "Post followup to this article"))]
2308 ["Followup and yank" gnus-summary-followup-with-original
2309 ,@(if (featurep 'xemacs) '(t)
2310 '(:help "Post followup to this article, quoting its contents"))]
2311 ["Supersede article" gnus-summary-supersede-article t]
2312 ["Cancel article" gnus-summary-cancel-article
2313 ,@(if (featurep 'xemacs) '(t)
2314 '(:help "Cancel an article you posted"))]
2315 ["Reply" gnus-summary-reply t]
2316 ["Reply and yank" gnus-summary-reply-with-original t]
2317 ["Wide reply" gnus-summary-wide-reply t]
2318 ["Wide reply and yank" gnus-summary-wide-reply-with-original
2319 ,@(if (featurep 'xemacs) '(t)
2320 '(:help "Mail a reply, quoting this article"))]
2321 ["Very wide reply" gnus-summary-very-wide-reply t]
2322 ["Very wide reply and yank" gnus-summary-very-wide-reply-with-original
2323 ,@(if (featurep 'xemacs) '(t)
2324 '(:help "Mail a very wide reply, quoting this article"))]
2325 ["Mail forward" gnus-summary-mail-forward t]
2326 ["Post forward" gnus-summary-post-forward t]
2327 ["Digest and mail" gnus-uu-digest-mail-forward t]
2328 ["Digest and post" gnus-uu-digest-post-forward t]
2329 ["Resend message" gnus-summary-resend-message t]
2330 ["Resend message edit" gnus-summary-resend-message-edit t]
2331 ["Send bounced mail" gnus-summary-resend-bounced-mail t]
2332 ["Send a mail" gnus-summary-mail-other-window t]
2333 ["Create a local message" gnus-summary-news-other-window t]
2334 ["Uuencode and post" gnus-uu-post-news
2335 ,@(if (featurep 'xemacs) '(t)
2336 '(:help "Post a uuencoded article"))]
2337 ["Followup via news" gnus-summary-followup-to-mail t]
2338 ["Followup via news and yank"
2339 gnus-summary-followup-to-mail-with-original t]
2341 ;;["Send" gnus-summary-send-draft t]
2342 ;;["Send bounced" gnus-resend-bounced-mail t])
2346 ((not (keymapp gnus-summary-post-menu))
2347 (setq gnus-article-post-menu gnus-summary-post-menu))
2348 ((not gnus-article-post-menu)
2349 ;; Don't share post menu.
2350 (setq gnus-article-post-menu
2351 (copy-keymap gnus-summary-post-menu))))
2352 (define-key gnus-article-mode-map [menu-bar post]
2353 (cons "Post" gnus-article-post-menu))
2356 gnus-summary-misc-menu gnus-summary-mode-map ""
2359 ["Mark as read" gnus-summary-mark-as-read-forward t]
2360 ["Mark same subject and select"
2361 gnus-summary-kill-same-subject-and-select t]
2362 ["Mark same subject" gnus-summary-kill-same-subject t]
2363 ["Catchup" gnus-summary-catchup
2364 ,@(if (featurep 'xemacs) '(t)
2365 '(:help "Mark unread articles in this group as read"))]
2366 ["Catchup all" gnus-summary-catchup-all t]
2367 ["Catchup to here" gnus-summary-catchup-to-here t]
2368 ["Catchup from here" gnus-summary-catchup-from-here t]
2369 ["Catchup region" gnus-summary-mark-region-as-read
2370 (gnus-mark-active-p)]
2371 ["Mark excluded" gnus-summary-limit-mark-excluded-as-read t])
2373 ["Tick" gnus-summary-tick-article-forward t]
2374 ["Mark as dormant" gnus-summary-mark-as-dormant t]
2375 ["Remove marks" gnus-summary-clear-mark-forward t]
2376 ["Set expirable mark" gnus-summary-mark-as-expirable t]
2377 ["Set bookmark" gnus-summary-set-bookmark t]
2378 ["Remove bookmark" gnus-summary-remove-bookmark t])
2380 ["Marks..." gnus-summary-limit-to-marks t]
2381 ["Subject..." gnus-summary-limit-to-subject t]
2382 ["Author..." gnus-summary-limit-to-author t]
2383 ["Age..." gnus-summary-limit-to-age t]
2384 ["Extra..." gnus-summary-limit-to-extra t]
2385 ["Score..." gnus-summary-limit-to-score t]
2386 ["Display Predicate" gnus-summary-limit-to-display-predicate t]
2387 ["Unread" gnus-summary-limit-to-unread t]
2388 ["Unseen" gnus-summary-limit-to-unseen t]
2389 ["Non-dormant" gnus-summary-limit-exclude-dormant t]
2390 ["Next articles" gnus-summary-limit-to-articles t]
2391 ["Pop limit" gnus-summary-pop-limit t]
2392 ["Show dormant" gnus-summary-limit-include-dormant t]
2393 ["Hide childless dormant"
2394 gnus-summary-limit-exclude-childless-dormant t]
2395 ;;["Hide thread" gnus-summary-limit-exclude-thread t]
2396 ["Hide marked" gnus-summary-limit-exclude-marks t]
2397 ["Show expunged" gnus-summary-limit-include-expunged t])
2399 ["Set mark" gnus-summary-mark-as-processable t]
2400 ["Remove mark" gnus-summary-unmark-as-processable t]
2401 ["Remove all marks" gnus-summary-unmark-all-processable t]
2402 ["Mark above" gnus-uu-mark-over t]
2403 ["Mark series" gnus-uu-mark-series t]
2404 ["Mark region" gnus-uu-mark-region (gnus-mark-active-p)]
2405 ["Unmark region" gnus-uu-unmark-region (gnus-mark-active-p)]
2406 ["Mark by regexp..." gnus-uu-mark-by-regexp t]
2407 ["Unmark by regexp..." gnus-uu-unmark-by-regexp t]
2408 ["Mark all" gnus-uu-mark-all t]
2409 ["Mark buffer" gnus-uu-mark-buffer t]
2410 ["Mark sparse" gnus-uu-mark-sparse t]
2411 ["Mark thread" gnus-uu-mark-thread t]
2412 ["Unmark thread" gnus-uu-unmark-thread t]
2413 ("Process Mark Sets"
2414 ["Kill" gnus-summary-kill-process-mark t]
2415 ["Yank" gnus-summary-yank-process-mark
2416 gnus-newsgroup-process-stack]
2417 ["Save" gnus-summary-save-process-mark t]
2418 ["Run command on marked..." gnus-summary-universal-argument t]))
2420 ["Page forward" gnus-summary-next-page
2421 ,@(if (featurep 'xemacs) '(t)
2422 '(:help "Show next page of article"))]
2423 ["Page backward" gnus-summary-prev-page
2424 ,@(if (featurep 'xemacs) '(t)
2425 '(:help "Show previous page of article"))]
2426 ["Line forward" gnus-summary-scroll-up t])
2428 ["Next unread article" gnus-summary-next-unread-article t]
2429 ["Previous unread article" gnus-summary-prev-unread-article t]
2430 ["Next article" gnus-summary-next-article t]
2431 ["Previous article" gnus-summary-prev-article t]
2432 ["Next unread subject" gnus-summary-next-unread-subject t]
2433 ["Previous unread subject" gnus-summary-prev-unread-subject t]
2434 ["Next article same subject" gnus-summary-next-same-subject t]
2435 ["Previous article same subject" gnus-summary-prev-same-subject t]
2436 ["First unread article" gnus-summary-first-unread-article t]
2437 ["Best unread article" gnus-summary-best-unread-article t]
2438 ["Go to subject number..." gnus-summary-goto-subject t]
2439 ["Go to article number..." gnus-summary-goto-article t]
2440 ["Go to the last article" gnus-summary-goto-last-article t]
2441 ["Pop article off history" gnus-summary-pop-article t])
2443 ["Sort by number" gnus-summary-sort-by-number t]
2444 ["Sort by author" gnus-summary-sort-by-author t]
2445 ["Sort by subject" gnus-summary-sort-by-subject t]
2446 ["Sort by date" gnus-summary-sort-by-date t]
2447 ["Sort by score" gnus-summary-sort-by-score t]
2448 ["Sort by lines" gnus-summary-sort-by-lines t]
2449 ["Sort by characters" gnus-summary-sort-by-chars t]
2450 ["Randomize" gnus-summary-sort-by-random t]
2451 ["Original sort" gnus-summary-sort-by-original t])
2453 ["Fetch group FAQ" gnus-summary-fetch-faq t]
2454 ["Describe group" gnus-summary-describe-group t]
2455 ["Fetch charter" gnus-group-fetch-charter
2456 ,@(if (featurep 'xemacs) nil
2457 '(:help "Display the charter of the current group"))]
2458 ["Fetch control message" gnus-group-fetch-control
2459 ,@(if (featurep 'xemacs) nil
2460 '(:help "Display the archived control message for the current group"))]
2461 ["Read manual" gnus-info-find-node t])
2463 ["Pick and read" gnus-pick-mode t]
2464 ["Binary" gnus-binary-mode t])
2466 ["Regenerate" gnus-summary-prepare t]
2467 ["Insert cached articles" gnus-summary-insert-cached-articles t]
2468 ["Insert dormant articles" gnus-summary-insert-dormant-articles t]
2469 ["Toggle threading" gnus-summary-toggle-threads t])
2470 ["See old articles" gnus-summary-insert-old-articles t]
2471 ["See new articles" gnus-summary-insert-new-articles t]
2472 ["Filter articles..." gnus-summary-execute-command t]
2473 ["Run command on articles..." gnus-summary-universal-argument t]
2474 ["Search articles forward..." gnus-summary-search-article-forward t]
2475 ["Search articles backward..." gnus-summary-search-article-backward t]
2476 ["Toggle line truncation" gnus-summary-toggle-truncation t]
2477 ["Expand window" gnus-summary-expand-window t]
2478 ["Expire expirable articles" gnus-summary-expire-articles
2479 (gnus-check-backend-function
2480 'request-expire-articles gnus-newsgroup-name)]
2481 ["Edit local kill file" gnus-summary-edit-local-kill t]
2482 ["Edit main kill file" gnus-summary-edit-global-kill t]
2483 ["Edit group parameters" gnus-summary-edit-parameters t]
2484 ["Customize group parameters" gnus-summary-customize-parameters t]
2485 ["Send a bug report" gnus-bug t]
2487 ["Catchup and exit" gnus-summary-catchup-and-exit
2488 ,@(if (featurep 'xemacs) '(t)
2489 '(:help "Mark unread articles in this group as read, then exit"))]
2490 ["Catchup all and exit" gnus-summary-catchup-all-and-exit t]
2491 ["Catchup and goto next" gnus-summary-catchup-and-goto-next-group t]
2492 ["Exit group" gnus-summary-exit
2493 ,@(if (featurep 'xemacs) '(t)
2494 '(:help "Exit current group, return to group selection mode"))]
2495 ["Exit group without updating" gnus-summary-exit-no-update t]
2496 ["Exit and goto next group" gnus-summary-next-group t]
2497 ["Exit and goto prev group" gnus-summary-prev-group t]
2498 ["Reselect group" gnus-summary-reselect-current-group t]
2499 ["Rescan group" gnus-summary-rescan-group t]
2500 ["Update dribble" gnus-summary-save-newsrc t])))
2502 (gnus-run-hooks 'gnus-summary-menu-hook)))
2504 (defvar gnus-summary-tool-bar-map nil)
2506 ;; Emacs 21 tool bar. Should be no-op otherwise.
2507 (defun gnus-summary-make-tool-bar ()
2508 (if (and (fboundp 'tool-bar-add-item-from-menu)
2509 (default-value 'tool-bar-mode)
2510 (not gnus-summary-tool-bar-map))
2511 (setq gnus-summary-tool-bar-map
2512 (let ((tool-bar-map (make-sparse-keymap))
2513 (load-path (mm-image-load-path)))
2514 (tool-bar-add-item-from-menu
2515 'gnus-summary-prev-unread "prev-ur" gnus-summary-mode-map)
2516 (tool-bar-add-item-from-menu
2517 'gnus-summary-next-unread "next-ur" gnus-summary-mode-map)
2518 (tool-bar-add-item-from-menu
2519 'gnus-summary-post-news "post" gnus-summary-mode-map)
2520 (tool-bar-add-item-from-menu
2521 'gnus-summary-followup-with-original "fuwo" gnus-summary-mode-map)
2522 (tool-bar-add-item-from-menu
2523 'gnus-summary-followup "followup" gnus-summary-mode-map)
2524 (tool-bar-add-item-from-menu
2525 'gnus-summary-reply-with-original "reply-wo" gnus-summary-mode-map)
2526 (tool-bar-add-item-from-menu
2527 'gnus-summary-reply "reply" gnus-summary-mode-map)
2528 (tool-bar-add-item-from-menu
2529 'gnus-summary-caesar-message "rot13" gnus-summary-mode-map)
2530 (tool-bar-add-item-from-menu
2531 'gnus-uu-decode-uu "uu-decode" gnus-summary-mode-map)
2532 (tool-bar-add-item-from-menu
2533 'gnus-summary-save-article-file "save-aif" gnus-summary-mode-map)
2534 (tool-bar-add-item-from-menu
2535 'gnus-summary-save-article "save-art" gnus-summary-mode-map)
2536 (tool-bar-add-item-from-menu
2537 'gnus-uu-post-news "uu-post" gnus-summary-mode-map)
2538 (tool-bar-add-item-from-menu
2539 'gnus-summary-catchup "catchup" gnus-summary-mode-map)
2540 (tool-bar-add-item-from-menu
2541 'gnus-summary-catchup-and-exit "cu-exit" gnus-summary-mode-map)
2542 (tool-bar-add-item-from-menu
2543 'gnus-summary-exit "exit-summ" gnus-summary-mode-map)
2545 (if gnus-summary-tool-bar-map
2546 (set (make-local-variable 'tool-bar-map) gnus-summary-tool-bar-map)))
2548 (defun gnus-score-set-default (var value)
2549 "A version of set that updates the GNU Emacs menu-bar."
2551 ;; It is the message that forces the active status to be updated.
2554 (defun gnus-make-score-map (type)
2555 "Make a summary score map of type TYPE."
2558 (let ((headers '(("author" "from" string)
2559 ("subject" "subject" string)
2560 ("article body" "body" string)
2561 ("article head" "head" string)
2562 ("xref" "xref" string)
2563 ("extra header" "extra" string)
2564 ("lines" "lines" number)
2565 ("followups to author" "followup" string)))
2566 (types '((number ("less than" <)
2569 (string ("substring" s)
2573 (perms '(("temporary" (current-time-string))
2581 (if (eq type 'lower)
2586 (setq header (car headers))
2592 (let ((ts (cdr (assoc (nth 2 header) types)))
2608 'gnus-summary-score-entry
2610 (if (or (string= (nth 1 header)
2612 (string= (nth 1 header)
2615 (list 'gnus-summary-header
2617 (list 'quote (nth 1 (car ts)))
2618 (list 'gnus-score-delta-default
2625 (list (nreverse outp))))
2628 (list (nreverse outt))))
2630 (setq headers (cdr headers)))
2631 (list (nreverse outh))))))))
2635 (defun gnus-summary-mode (&optional group)
2636 "Major mode for reading articles.
2638 All normal editing commands are switched off.
2639 \\<gnus-summary-mode-map>
2640 Each line in this buffer represents one article. To read an
2641 article, you can, for instance, type `\\[gnus-summary-next-page]'. To move forwards
2642 and backwards while displaying articles, type `\\[gnus-summary-next-unread-article]' and `\\[gnus-summary-prev-unread-article]',
2645 You can also post articles and send mail from this buffer. To
2646 follow up an article, type `\\[gnus-summary-followup]'. To mail a reply to the author
2647 of an article, type `\\[gnus-summary-reply]'.
2649 There are approx. one gazillion commands you can execute in this
2650 buffer; read the info pages for more information (`\\[gnus-info-find-node]').
2652 The following commands are available:
2654 \\{gnus-summary-mode-map}"
2656 (kill-all-local-variables)
2657 (when (gnus-visual-p 'summary-menu 'menu)
2658 (gnus-summary-make-menu-bar)
2659 (gnus-summary-make-tool-bar))
2660 (gnus-summary-make-local-variables)
2661 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
2662 (gnus-summary-make-local-variables))
2663 (gnus-make-thread-indent-array)
2664 (gnus-simplify-mode-line)
2665 (setq major-mode 'gnus-summary-mode)
2666 (setq mode-name "Summary")
2667 (make-local-variable 'minor-mode-alist)
2668 (use-local-map gnus-summary-mode-map)
2669 (buffer-disable-undo)
2670 (setq buffer-read-only t) ;Disable modification
2671 (setq truncate-lines t)
2672 (setq selective-display t)
2673 (setq selective-display-ellipses t) ;Display `...'
2674 (gnus-summary-set-display-table)
2675 (gnus-set-default-directory)
2676 (setq gnus-newsgroup-name group)
2677 (make-local-variable 'gnus-summary-line-format)
2678 (make-local-variable 'gnus-summary-line-format-spec)
2679 (make-local-variable 'gnus-summary-dummy-line-format)
2680 (make-local-variable 'gnus-summary-dummy-line-format-spec)
2681 (make-local-variable 'gnus-summary-mark-positions)
2682 (gnus-make-local-hook 'pre-command-hook)
2683 (add-hook 'pre-command-hook 'gnus-set-global-variables nil t)
2684 (gnus-run-hooks 'gnus-summary-mode-hook)
2685 (turn-on-gnus-mailing-list-mode)
2686 (mm-enable-multibyte)
2687 (gnus-update-format-specifications nil 'summary 'summary-mode 'summary-dummy)
2688 (gnus-update-summary-mark-positions))
2690 (defun gnus-summary-make-local-variables ()
2691 "Make all the local summary buffer variables."
2693 (dolist (local gnus-summary-local-variables)
2696 (if (eq (cdr local) 'global)
2697 ;; Copy the global value of the variable.
2698 (setq global (symbol-value (car local)))
2699 ;; Use the value from the list.
2700 (setq global (eval (cdr local))))
2701 (set (make-local-variable (car local)) global))
2702 ;; Simple nil-valued local variable.
2703 (set (make-local-variable local) nil)))))
2705 (defun gnus-summary-clear-local-variables ()
2706 (let ((locals gnus-summary-local-variables))
2708 (if (consp (car locals))
2709 (and (vectorp (caar locals))
2710 (set (caar locals) nil))
2711 (and (vectorp (car locals))
2712 (set (car locals) nil)))
2713 (setq locals (cdr locals)))))
2715 ;; Summary data functions.
2717 (defmacro gnus-data-number (data)
2720 (defmacro gnus-data-set-number (data number)
2721 `(setcar ,data ,number))
2723 (defmacro gnus-data-mark (data)
2726 (defmacro gnus-data-set-mark (data mark)
2727 `(setcar (nthcdr 1 ,data) ,mark))
2729 (defmacro gnus-data-pos (data)
2732 (defmacro gnus-data-set-pos (data pos)
2733 `(setcar (nthcdr 2 ,data) ,pos))
2735 (defmacro gnus-data-header (data)
2738 (defmacro gnus-data-set-header (data header)
2739 `(setf (nth 3 ,data) ,header))
2741 (defmacro gnus-data-level (data)
2744 (defmacro gnus-data-unread-p (data)
2745 `(= (nth 1 ,data) gnus-unread-mark))
2747 (defmacro gnus-data-read-p (data)
2748 `(/= (nth 1 ,data) gnus-unread-mark))
2750 (defmacro gnus-data-pseudo-p (data)
2751 `(consp (nth 3 ,data)))
2753 (defmacro gnus-data-find (number)
2754 `(assq ,number gnus-newsgroup-data))
2756 (defmacro gnus-data-find-list (number &optional data)
2757 `(let ((bdata ,(or data 'gnus-newsgroup-data)))
2758 (memq (assq ,number bdata)
2761 (defmacro gnus-data-make (number mark pos header level)
2762 `(list ,number ,mark ,pos ,header ,level))
2764 (defun gnus-data-enter (after-article number mark pos header level offset)
2765 (let ((data (gnus-data-find-list after-article)))
2767 (error "No such article: %d" after-article))
2768 (setcdr data (cons (gnus-data-make number mark pos header level)
2770 (setq gnus-newsgroup-data-reverse nil)
2771 (gnus-data-update-list (cddr data) offset)))
2773 (defun gnus-data-enter-list (after-article list &optional offset)
2775 (let ((data (and after-article (gnus-data-find-list after-article)))
2779 (let ((odata gnus-newsgroup-data))
2780 (setq gnus-newsgroup-data (nconc list gnus-newsgroup-data))
2782 (gnus-data-update-list odata offset)))
2783 ;; Find the last element in the list to be spliced into the main
2786 (setq list (cdr list)))
2789 (setcdr list gnus-newsgroup-data)
2790 (setq gnus-newsgroup-data ilist)
2792 (gnus-data-update-list (cdr list) offset)))
2793 (setcdr list (cdr data))
2796 (gnus-data-update-list (cdr list) offset))))
2797 (setq gnus-newsgroup-data-reverse nil))))
2799 (defun gnus-data-remove (article &optional offset)
2800 (let ((data gnus-newsgroup-data))
2801 (if (= (gnus-data-number (car data)) article)
2803 (setq gnus-newsgroup-data (cdr gnus-newsgroup-data)
2804 gnus-newsgroup-data-reverse nil)
2806 (gnus-data-update-list gnus-newsgroup-data offset)))
2808 (when (= (gnus-data-number (cadr data)) article)
2809 (setcdr data (cddr data))
2811 (gnus-data-update-list (cdr data) offset))
2813 gnus-newsgroup-data-reverse nil))
2814 (setq data (cdr data))))))
2816 (defmacro gnus-data-list (backward)
2818 (or gnus-newsgroup-data-reverse
2819 (setq gnus-newsgroup-data-reverse
2820 (reverse gnus-newsgroup-data)))
2821 gnus-newsgroup-data))
2823 (defun gnus-data-update-list (data offset)
2824 "Add OFFSET to the POS of all data entries in DATA."
2825 (setq gnus-newsgroup-data-reverse nil)
2827 (setcar (nthcdr 2 (car data)) (+ offset (nth 2 (car data))))
2828 (setq data (cdr data))))
2830 (defun gnus-summary-article-pseudo-p (article)
2831 "Say whether this article is a pseudo article or not."
2832 (not (vectorp (gnus-data-header (gnus-data-find article)))))
2834 (defmacro gnus-summary-article-sparse-p (article)
2835 "Say whether this article is a sparse article or not."
2836 `(memq ,article gnus-newsgroup-sparse))
2838 (defmacro gnus-summary-article-ancient-p (article)
2839 "Say whether this article is a sparse article or not."
2840 `(memq ,article gnus-newsgroup-ancient))
2842 (defun gnus-article-parent-p (number)
2843 "Say whether this article is a parent or not."
2844 (let ((data (gnus-data-find-list number)))
2845 (and (cdr data) ; There has to be an article after...
2846 (< (gnus-data-level (car data)) ; And it has to have a higher level.
2847 (gnus-data-level (nth 1 data))))))
2849 (defun gnus-article-children (number)
2850 "Return a list of all children to NUMBER."
2851 (let* ((data (gnus-data-find-list number))
2852 (level (gnus-data-level (car data)))
2854 (setq data (cdr data))
2856 (= (gnus-data-level (car data)) (1+ level)))
2857 (push (gnus-data-number (car data)) children)
2858 (setq data (cdr data)))
2861 (defmacro gnus-summary-skip-intangible ()
2862 "If the current article is intangible, then jump to a different article."
2863 '(let ((to (get-text-property (point) 'gnus-intangible)))
2864 (and to (gnus-summary-goto-subject to))))
2866 (defmacro gnus-summary-article-intangible-p ()
2867 "Say whether this article is intangible or not."
2868 '(get-text-property (point) 'gnus-intangible))
2870 (defun gnus-article-read-p (article)
2871 "Say whether ARTICLE is read or not."
2872 (not (or (memq article gnus-newsgroup-marked)
2873 (memq article gnus-newsgroup-spam-marked)
2874 (memq article gnus-newsgroup-unreads)
2875 (memq article gnus-newsgroup-unselected)
2876 (memq article gnus-newsgroup-dormant))))
2878 ;; Some summary mode macros.
2880 (defmacro gnus-summary-article-number ()
2881 "The article number of the article on the current line.
2882 If there isn't an article number here, then we return the current
2885 (gnus-summary-skip-intangible)
2886 (or (get-text-property (point) 'gnus-number)
2887 (gnus-summary-last-subject))))
2889 (defmacro gnus-summary-article-header (&optional number)
2890 "Return the header of article NUMBER."
2891 `(gnus-data-header (gnus-data-find
2892 ,(or number '(gnus-summary-article-number)))))
2894 (defmacro gnus-summary-thread-level (&optional number)
2895 "Return the level of thread that starts with article NUMBER."
2896 `(if (and (eq gnus-summary-make-false-root 'dummy)
2897 (get-text-property (point) 'gnus-intangible))
2899 (gnus-data-level (gnus-data-find
2900 ,(or number '(gnus-summary-article-number))))))
2902 (defmacro gnus-summary-article-mark (&optional number)
2903 "Return the mark of article NUMBER."
2904 `(gnus-data-mark (gnus-data-find
2905 ,(or number '(gnus-summary-article-number)))))
2907 (defmacro gnus-summary-article-pos (&optional number)
2908 "Return the position of the line of article NUMBER."
2909 `(gnus-data-pos (gnus-data-find
2910 ,(or number '(gnus-summary-article-number)))))
2912 (defalias 'gnus-summary-subject-string 'gnus-summary-article-subject)
2913 (defmacro gnus-summary-article-subject (&optional number)
2914 "Return current subject string or nil if nothing."
2917 `(gnus-data-header (assq ,number gnus-newsgroup-data))
2918 '(gnus-data-header (assq (gnus-summary-article-number)
2919 gnus-newsgroup-data)))))
2922 (mail-header-subject headers))))
2924 (defmacro gnus-summary-article-score (&optional number)
2925 "Return current article score."
2926 `(or (cdr (assq ,(or number '(gnus-summary-article-number))
2927 gnus-newsgroup-scored))
2928 gnus-summary-default-score 0))
2930 (defun gnus-summary-article-children (&optional number)
2931 "Return a list of article numbers that are children of article NUMBER."
2932 (let* ((data (gnus-data-find-list (or number (gnus-summary-article-number))))
2933 (level (gnus-data-level (car data)))
2935 (while (and (setq data (cdr data))
2936 (> (setq l (gnus-data-level (car data))) level))
2937 (and (= (1+ level) l)
2938 (push (gnus-data-number (car data))
2940 (nreverse children)))
2942 (defun gnus-summary-article-parent (&optional number)
2943 "Return the article number of the parent of article NUMBER."
2944 (let* ((data (gnus-data-find-list (or number (gnus-summary-article-number))
2945 (gnus-data-list t)))
2946 (level (gnus-data-level (car data))))
2948 () ; This is a root.
2949 ;; We search until we find an article with a level less than
2950 ;; this one. That function has to be the parent.
2951 (while (and (setq data (cdr data))
2952 (not (< (gnus-data-level (car data)) level))))
2953 (and data (gnus-data-number (car data))))))
2955 (defun gnus-unread-mark-p (mark)
2956 "Say whether MARK is the unread mark."
2957 (= mark gnus-unread-mark))
2959 (defun gnus-read-mark-p (mark)
2960 "Say whether MARK is one of the marks that mark as read.
2961 This is all marks except unread, ticked, dormant, and expirable."
2962 (not (or (= mark gnus-unread-mark)
2963 (= mark gnus-ticked-mark)
2964 (= mark gnus-spam-mark)
2965 (= mark gnus-dormant-mark)
2966 (= mark gnus-expirable-mark))))
2968 (defmacro gnus-article-mark (number)
2969 "Return the MARK of article NUMBER.
2970 This macro should only be used when computing the mark the \"first\"
2971 time; i.e., when generating the summary lines. After that,
2972 `gnus-summary-article-mark' should be used to examine the
2975 ((memq ,number gnus-newsgroup-unsendable) gnus-unsendable-mark)
2976 ((memq ,number gnus-newsgroup-downloadable) gnus-downloadable-mark)
2977 ((memq ,number gnus-newsgroup-unreads) gnus-unread-mark)
2978 ((memq ,number gnus-newsgroup-marked) gnus-ticked-mark)
2979 ((memq ,number gnus-newsgroup-spam-marked) gnus-spam-mark)
2980 ((memq ,number gnus-newsgroup-dormant) gnus-dormant-mark)
2981 ((memq ,number gnus-newsgroup-expirable) gnus-expirable-mark)
2982 (t (or (cdr (assq ,number gnus-newsgroup-reads))
2983 gnus-ancient-mark))))
2985 ;; Saving hidden threads.
2987 (defmacro gnus-save-hidden-threads (&rest forms)
2988 "Save hidden threads, eval FORMS, and restore the hidden threads."
2989 (let ((config (make-symbol "config")))
2990 `(let ((,config (gnus-hidden-threads-configuration)))
2994 (gnus-restore-hidden-threads-configuration ,config)))))
2995 (put 'gnus-save-hidden-threads 'lisp-indent-function 0)
2996 (put 'gnus-save-hidden-threads 'edebug-form-spec '(body))
2998 (defun gnus-data-compute-positions ()
2999 "Compute the positions of all articles."
3000 (setq gnus-newsgroup-data-reverse nil)
3001 (let ((data gnus-newsgroup-data))
3003 (gnus-save-hidden-threads
3004 (gnus-summary-show-all-threads)
3005 (goto-char (point-min))
3007 (while (get-text-property (point) 'gnus-intangible)
3009 (gnus-data-set-pos (car data) (+ (point) 3))
3010 (setq data (cdr data))
3011 (forward-line 1))))))
3013 (defun gnus-hidden-threads-configuration ()
3014 "Return the current hidden threads configuration."
3017 (goto-char (point-min))
3018 (while (search-forward "\r" nil t)
3019 (push (1- (point)) config))
3022 (defun gnus-restore-hidden-threads-configuration (config)
3023 "Restore hidden threads configuration from CONFIG."
3025 (let (point buffer-read-only)
3026 (while (setq point (pop config))
3027 (when (and (< point (point-max))
3029 (eq (char-after) ?\n))
3030 (subst-char-in-region point (1+ point) ?\n ?\r))))))
3032 ;; Various summary mode internalish functions.
3034 (defun gnus-mouse-pick-article (e)
3037 (gnus-summary-next-page nil t))
3039 (defun gnus-summary-set-display-table ()
3040 "Change the display table.
3041 Odd characters have a tendency to mess
3042 up nicely formatted displays - we make all possible glyphs
3043 display only a single character."
3045 ;; We start from the standard display table, if any.
3046 (let ((table (or (copy-sequence standard-display-table)
3047 (make-display-table)))
3049 ;; Nix out all the control chars...
3050 (while (>= (setq i (1- i)) 0)
3051 (aset table i [??]))
3052 ;; ... but not newline and cr, of course. (cr is necessary for the
3053 ;; selective display).
3054 (aset table ?\n nil)
3055 (aset table ?\r nil)
3056 ;; We keep TAB as well.
3057 (aset table ?\t nil)
3058 ;; We nix out any glyphs over 126 that are not set already.
3060 (while (>= (setq i (1- i)) 127)
3061 ;; Only modify if the entry is nil.
3062 (unless (aref table i)
3063 (aset table i [??]))))
3064 (setq buffer-display-table table)))
3066 (defun gnus-summary-set-article-display-arrow (pos)
3067 "Update the overlay arrow to point to line at position POS."
3068 (when (and gnus-summary-display-arrow
3069 (boundp 'overlay-arrow-position)
3070 (boundp 'overlay-arrow-string))
3074 (unless overlay-arrow-position
3075 (setq overlay-arrow-position (make-marker)))
3076 (setq overlay-arrow-string "=>"
3077 overlay-arrow-position (set-marker overlay-arrow-position
3079 (current-buffer))))))
3081 (defun gnus-summary-setup-buffer (group)
3082 "Initialize summary buffer."
3083 (let ((buffer (gnus-summary-buffer-name group))
3084 (dead-name (concat "*Dead Summary "
3085 (gnus-group-decoded-name group) "*")))
3086 ;; If a dead summary buffer exists, we kill it.
3087 (when (gnus-buffer-live-p dead-name)
3088 (gnus-kill-buffer dead-name))
3089 (if (get-buffer buffer)
3092 (setq gnus-summary-buffer (current-buffer))
3093 (not gnus-newsgroup-prepared))
3094 ;; Fix by Sudish Joseph <joseph@cis.ohio-state.edu>
3095 (setq gnus-summary-buffer (set-buffer (gnus-get-buffer-create buffer)))
3096 (gnus-summary-mode group)
3098 (gnus-carpal-setup-buffer 'summary))
3099 (unless gnus-single-article-buffer
3100 (make-local-variable 'gnus-article-buffer)
3101 (make-local-variable 'gnus-article-current)
3102 (make-local-variable 'gnus-original-article-buffer))
3103 (setq gnus-newsgroup-name group)
3104 ;; Set any local variables in the group parameters.
3105 (gnus-summary-set-local-parameters gnus-newsgroup-name)
3108 (defun gnus-set-global-variables ()
3109 "Set the global equivalents of the buffer-local variables.
3110 They are set to the latest values they had. These reflect the summary
3111 buffer that was in action when the last article was fetched."
3112 (when (eq major-mode 'gnus-summary-mode)
3113 (setq gnus-summary-buffer (current-buffer))
3114 (let ((name gnus-newsgroup-name)
3115 (marked gnus-newsgroup-marked)
3116 (spam gnus-newsgroup-spam-marked)
3117 (unread gnus-newsgroup-unreads)
3118 (headers gnus-current-headers)
3119 (data gnus-newsgroup-data)
3120 (summary gnus-summary-buffer)
3121 (article-buffer gnus-article-buffer)
3122 (original gnus-original-article-buffer)
3123 (gac gnus-article-current)
3124 (reffed gnus-reffed-article-number)
3125 (score-file gnus-current-score-file)
3126 (default-charset gnus-newsgroup-charset)
3128 (let ((locals gnus-newsgroup-variables))
3130 (if (consp (car locals))
3131 (push (eval (caar locals)) vlist)
3132 (push (eval (car locals)) vlist))
3133 (setq locals (cdr locals)))
3134 (setq vlist (nreverse vlist)))
3136 (set-buffer gnus-group-buffer)
3137 (setq gnus-newsgroup-name name
3138 gnus-newsgroup-marked marked
3139 gnus-newsgroup-spam-marked spam
3140 gnus-newsgroup-unreads unread
3141 gnus-current-headers headers
3142 gnus-newsgroup-data data
3143 gnus-article-current gac
3144 gnus-summary-buffer summary
3145 gnus-article-buffer article-buffer
3146 gnus-original-article-buffer original
3147 gnus-reffed-article-number reffed
3148 gnus-current-score-file score-file
3149 gnus-newsgroup-charset default-charset)
3150 (let ((locals gnus-newsgroup-variables))
3152 (if (consp (car locals))
3153 (set (caar locals) (pop vlist))
3154 (set (car locals) (pop vlist)))
3155 (setq locals (cdr locals))))
3156 ;; The article buffer also has local variables.
3157 (when (gnus-buffer-live-p gnus-article-buffer)
3158 (set-buffer gnus-article-buffer)
3159 (setq gnus-summary-buffer summary))))))
3161 (defun gnus-summary-article-unread-p (article)
3162 "Say whether ARTICLE is unread or not."
3163 (memq article gnus-newsgroup-unreads))
3165 (defun gnus-summary-first-article-p (&optional article)
3166 "Return whether ARTICLE is the first article in the buffer."
3167 (if (not (setq article (or article (gnus-summary-article-number))))
3169 (eq article (caar gnus-newsgroup-data))))
3171 (defun gnus-summary-last-article-p (&optional article)
3172 "Return whether ARTICLE is the last article in the buffer."
3173 (if (not (setq article (or article (gnus-summary-article-number))))
3174 ;; All non-existent numbers are the last article. :-)
3176 (not (cdr (gnus-data-find-list article)))))
3178 (defun gnus-make-thread-indent-array ()
3180 (unless (and gnus-thread-indent-array
3181 (= gnus-thread-indent-level gnus-thread-indent-array-level))
3182 (setq gnus-thread-indent-array (make-vector 201 "")
3183 gnus-thread-indent-array-level gnus-thread-indent-level)
3185 (aset gnus-thread-indent-array n
3186 (make-string (* n gnus-thread-indent-level) ? ))
3189 (defun gnus-update-summary-mark-positions ()
3190 "Compute where the summary marks are to go."
3192 (when (gnus-buffer-exists-p gnus-summary-buffer)
3193 (set-buffer gnus-summary-buffer))
3194 (let ((gnus-replied-mark 129)
3195 (gnus-score-below-mark 130)
3196 (gnus-score-over-mark 130)
3197 (gnus-undownloaded-mark 131)
3198 (spec gnus-summary-line-format-spec)
3201 (gnus-set-work-buffer)
3202 (let ((gnus-summary-line-format-spec spec)
3203 (gnus-newsgroup-downloadable '(0)))
3204 (gnus-summary-insert-line
3205 [0 "" "" "05 Apr 2001 23:33:09 +0400" "" "" 0 0 "" nil]
3206 0 nil t 128 t nil "" nil 1)
3207 (goto-char (point-min))
3208 (setq pos (list (cons 'unread (and (search-forward "\200" nil t)
3209 (- (point) (point-min) 1)))))
3210 (goto-char (point-min))
3211 (push (cons 'replied (and (search-forward "\201" nil t)
3212 (- (point) (point-min) 1)))
3214 (goto-char (point-min))
3215 (push (cons 'score (and (search-forward "\202" nil t)
3216 (- (point) (point-min) 1)))
3218 (goto-char (point-min))
3219 (push (cons 'download
3220 (and (search-forward "\203" nil t)
3221 (- (point) (point-min) 1)))
3223 (setq gnus-summary-mark-positions pos))))
3225 (defun gnus-summary-insert-dummy-line (gnus-tmp-subject gnus-tmp-number)
3226 "Insert a dummy root in the summary buffer."
3228 (gnus-add-text-properties
3229 (point) (progn (eval gnus-summary-dummy-line-format-spec) (point))
3230 (list 'gnus-number gnus-tmp-number 'gnus-intangible gnus-tmp-number)))
3232 (defun gnus-summary-extract-address-component (from)
3233 (or (car (funcall gnus-extract-address-components from))
3236 (defun gnus-summary-from-or-to-or-newsgroups (header gnus-tmp-from)
3237 (let ((mail-parse-charset gnus-newsgroup-charset)
3238 ; Is it really necessary to do this next part for each summary line?
3239 ; Luckily, doesn't seem to slow things down much.
3240 (mail-parse-ignored-charsets
3241 (save-excursion (set-buffer gnus-summary-buffer)
3242 gnus-newsgroup-ignored-charsets)))
3244 (and gnus-ignored-from-addresses
3245 (string-match gnus-ignored-from-addresses gnus-tmp-from)
3246 (let ((extra-headers (mail-header-extra header))
3250 ((setq to (cdr (assq 'To extra-headers)))
3253 (gnus-summary-extract-address-component
3254 (funcall gnus-decode-encoded-word-function to)))))
3255 ((setq newsgroups (cdr (assq 'Newsgroups extra-headers)))
3256 (concat "=> " newsgroups)))))
3257 (inline (gnus-summary-extract-address-component gnus-tmp-from)))))
3259 (defun gnus-summary-insert-line (gnus-tmp-header
3260 gnus-tmp-level gnus-tmp-current
3261 undownloaded gnus-tmp-unread gnus-tmp-replied
3262 gnus-tmp-expirable gnus-tmp-subject-or-nil
3263 &optional gnus-tmp-dummy gnus-tmp-score
3265 (let* ((gnus-tmp-indentation (aref gnus-thread-indent-array gnus-tmp-level))
3266 (gnus-tmp-lines (mail-header-lines gnus-tmp-header))
3267 (gnus-tmp-score (or gnus-tmp-score gnus-summary-default-score 0))
3268 (gnus-tmp-score-char
3269 (if (or (null gnus-summary-default-score)
3270 (<= (abs (- gnus-tmp-score gnus-summary-default-score))
3271 gnus-summary-zcore-fuzz))
3273 (if (< gnus-tmp-score gnus-summary-default-score)
3274 gnus-score-below-mark gnus-score-over-mark)))
3275 (gnus-tmp-number (mail-header-number gnus-tmp-header))
3277 (cond (gnus-tmp-process gnus-process-mark)
3278 ((memq gnus-tmp-current gnus-newsgroup-cached)
3280 (gnus-tmp-replied gnus-replied-mark)
3281 ((memq gnus-tmp-current gnus-newsgroup-forwarded)
3282 gnus-forwarded-mark)
3283 ((memq gnus-tmp-current gnus-newsgroup-saved)
3285 ((memq gnus-tmp-number gnus-newsgroup-recent)
3287 ((memq gnus-tmp-number gnus-newsgroup-unseen)
3290 (gnus-tmp-downloaded
3292 gnus-undownloaded-mark)
3293 (gnus-newsgroup-agentized
3294 gnus-downloaded-mark)
3297 (gnus-tmp-from (mail-header-from gnus-tmp-header))
3300 ((string-match "<[^>]+> *$" gnus-tmp-from)
3301 (let ((beg (match-beginning 0)))
3302 (or (and (string-match "^\".+\"" gnus-tmp-from)
3303 (substring gnus-tmp-from 1 (1- (match-end 0))))
3304 (substring gnus-tmp-from 0 beg))))
3305 ((string-match "(.+)" gnus-tmp-from)
3306 (substring gnus-tmp-from
3307 (1+ (match-beginning 0)) (1- (match-end 0))))
3309 (gnus-tmp-subject (mail-header-subject gnus-tmp-header))
3310 (gnus-tmp-opening-bracket (if gnus-tmp-dummy ?\< ?\[))
3311 (gnus-tmp-closing-bracket (if gnus-tmp-dummy ?\> ?\]))
3312 (buffer-read-only nil))
3313 (when (string= gnus-tmp-name "")
3314 (setq gnus-tmp-name gnus-tmp-from))
3315 (unless (numberp gnus-tmp-lines)
3316 (setq gnus-tmp-lines -1))
3317 (if (= gnus-tmp-lines -1)
3318 (setq gnus-tmp-lines "?")
3319 (setq gnus-tmp-lines (number-to-string gnus-tmp-lines)))
3320 (gnus-put-text-property
3322 (progn (eval gnus-summary-line-format-spec) (point))
3323 'gnus-number gnus-tmp-number)
3324 (when (gnus-visual-p 'summary-highlight 'highlight)
3326 (gnus-run-hooks 'gnus-summary-update-hook)
3329 (defun gnus-summary-update-line (&optional dont-update)
3330 "Update summary line after change."
3331 (when (and gnus-summary-default-score
3332 (not gnus-summary-inhibit-highlight))
3333 (let* ((gnus-summary-inhibit-highlight t) ; Prevent recursion.
3334 (article (gnus-summary-article-number))
3335 (score (gnus-summary-article-score article)))
3337 (if (and gnus-summary-mark-below
3338 (< (gnus-summary-article-score)
3339 gnus-summary-mark-below))
3340 ;; This article has a low score, so we mark it as read.
3341 (when (memq article gnus-newsgroup-unreads)
3342 (gnus-summary-mark-article-as-read gnus-low-score-mark))
3343 (when (eq (gnus-summary-article-mark) gnus-low-score-mark)
3344 ;; This article was previously marked as read on account
3345 ;; of a low score, but now it has risen, so we mark it as
3347 (gnus-summary-mark-article-as-unread gnus-unread-mark)))
3348 (gnus-summary-update-mark
3349 (if (or (null gnus-summary-default-score)
3350 (<= (abs (- score gnus-summary-default-score))
3351 gnus-summary-zcore-fuzz))
3353 (if (< score gnus-summary-default-score)
3354 gnus-score-below-mark gnus-score-over-mark))
3356 ;; Do visual highlighting.
3357 (when (gnus-visual-p 'summary-highlight 'highlight)
3358 (gnus-run-hooks 'gnus-summary-update-hook)))))
3360 (defvar gnus-tmp-new-adopts nil)
3362 (defun gnus-summary-number-of-articles-in-thread (thread &optional level char)
3363 "Return the number of articles in THREAD.
3364 This may be 0 in some cases -- if none of the articles in
3365 the thread are to be displayed."
3367 ;; Fix by Luc Van Eycken <Luc.VanEycken@esat.kuleuven.ac.be>.
3369 ((not (listp thread))
3371 ((and (consp thread) (cdr thread))
3374 'gnus-summary-number-of-articles-in-thread (cdr thread))))
3377 ((memq (mail-header-number (car thread)) gnus-newsgroup-limit)
3380 (when (and level (zerop level) gnus-tmp-new-adopts)
3383 'gnus-summary-number-of-articles-in-thread
3384 gnus-tmp-new-adopts))))
3386 (if (> number 1) gnus-not-empty-thread-mark
3387 gnus-empty-thread-mark)
3390 (defsubst gnus-summary-line-message-size (head)
3391 "Return pretty-printed version of message size.
3392 This function is intended to be used in
3393 `gnus-summary-line-format-alist'."
3394 (let ((c (or (mail-header-chars head) -1)))
3395 (cond ((< c 0) "n/a") ; chars not available
3396 ((< c (* 1000 10)) (format "%1.1fk" (/ c 1024.0)))
3397 ((< c (* 1000 100)) (format "%dk" (/ c 1024.0)))
3398 ((< c (* 1000 10000)) (format "%1.1fM" (/ c (* 1024.0 1024))))
3399 (t (format "%dM" (/ c (* 1024.0 1024)))))))
3402 (defun gnus-summary-set-local-parameters (group)
3403 "Go through the local params of GROUP and set all variable specs in that list."
3404 (let ((params (gnus-group-find-parameter group))
3405 (vars '(quit-config)) ; Ignore quit-config.
3408 (setq elem (car params)
3409 params (cdr params))
3410 (and (consp elem) ; Has to be a cons.
3411 (consp (cdr elem)) ; The cdr has to be a list.
3412 (symbolp (car elem)) ; Has to be a symbol in there.
3413 (not (memq (car elem) vars))
3414 (ignore-errors ; So we set it.
3415 (push (car elem) vars)
3416 (make-local-variable (car elem))
3417 (set (car elem) (eval (nth 1 elem))))))))
3419 (defun gnus-summary-read-group (group &optional show-all no-article
3420 kill-buffer no-display backward
3422 "Start reading news in newsgroup GROUP.
3423 If SHOW-ALL is non-nil, already read articles are also listed.
3424 If NO-ARTICLE is non-nil, no article is selected initially.
3425 If NO-DISPLAY, don't generate a summary buffer."
3429 (let ((gnus-auto-select-next nil))
3430 (or (gnus-summary-read-group-1
3431 group show-all no-article
3432 kill-buffer no-display
3435 select-articles nil)))))
3436 (eq gnus-auto-select-next 'quietly))
3437 (set-buffer gnus-group-buffer)
3438 ;; The entry function called above goes to the next
3439 ;; group automatically, so we go two groups back
3440 ;; if we are searching for the previous group.
3442 (gnus-group-prev-unread-group 2))
3443 (if (not (equal group (gnus-group-group-name)))
3444 (setq group (gnus-group-group-name))
3448 (defun gnus-summary-read-group-1 (group show-all no-article
3449 kill-buffer no-display
3450 &optional select-articles)
3451 ;; Killed foreign groups can't be entered.
3452 ;; (when (and (not (gnus-group-native-p group))
3453 ;; (not (gnus-gethash group gnus-newsrc-hashtb)))
3454 ;; (error "Dead non-native groups can't be entered"))
3455 (gnus-message 5 "Retrieving newsgroup: %s..."
3456 (gnus-group-decoded-name group))
3457 (let* ((new-group (gnus-summary-setup-buffer group))
3458 (quit-config (gnus-group-quit-config group))
3459 (did-select (and new-group (gnus-select-newsgroup
3460 group show-all select-articles))))
3462 ;; This summary buffer exists already, so we just select it.
3464 (gnus-set-global-variables)
3466 (gnus-kill-or-deaden-summary kill-buffer))
3467 (gnus-configure-windows 'summary 'force)
3468 (gnus-set-mode-line 'summary)
3469 (gnus-summary-position-point)
3472 ;; We couldn't select this group.
3474 (when (and (eq major-mode 'gnus-summary-mode)
3475 (not (equal (current-buffer) kill-buffer)))
3476 (kill-buffer (current-buffer))
3477 (if (not quit-config)
3479 ;; Update the info -- marks might need to be removed,
3481 (gnus-summary-update-info)
3482 (set-buffer gnus-group-buffer)
3483 (gnus-group-jump-to-group group)
3484 (gnus-group-next-unread-group 1))
3485 (gnus-handle-ephemeral-exit quit-config)))
3486 (let ((grpinfo (gnus-get-info group)))
3487 (if (null (gnus-info-read grpinfo))
3488 (gnus-message 3 "Group %s contains no messages"
3489 (gnus-group-decoded-name group))
3490 (gnus-message 3 "Can't select group")))
3492 ;; The user did a `C-g' while prompting for number of articles,
3493 ;; so we exit this group.
3494 ((eq did-select 'quit)
3495 (and (eq major-mode 'gnus-summary-mode)
3496 (not (equal (current-buffer) kill-buffer))
3497 (kill-buffer (current-buffer)))
3499 (gnus-kill-or-deaden-summary kill-buffer))
3500 (if (not quit-config)
3502 (set-buffer gnus-group-buffer)
3503 (gnus-group-jump-to-group group)
3504 (gnus-group-next-unread-group 1)
3505 (gnus-configure-windows 'group 'force))
3506 (gnus-handle-ephemeral-exit quit-config))
3507 ;; Finally signal the quit.
3509 ;; The group was successfully selected.
3511 (gnus-set-global-variables)
3512 ;; Save the active value in effect when the group was entered.
3513 (setq gnus-newsgroup-active
3515 (gnus-active gnus-newsgroup-name)))
3516 ;; You can change the summary buffer in some way with this hook.
3517 (gnus-run-hooks 'gnus-select-group-hook)
3518 (gnus-update-format-specifications
3519 nil 'summary 'summary-mode 'summary-dummy)
3520 (gnus-update-summary-mark-positions)
3521 ;; Do score processing.
3522 (when gnus-use-scoring
3523 (gnus-possibly-score-headers))
3524 ;; Check whether to fill in the gaps in the threads.
3525 (when gnus-build-sparse-threads
3526 (gnus-build-sparse-threads))
3527 ;; Find the initial limit.
3528 (if gnus-show-threads
3530 (let ((gnus-newsgroup-dormant nil))
3531 (gnus-summary-initial-limit show-all))
3532 (gnus-summary-initial-limit show-all))
3533 ;; When unthreaded, all articles are always shown.
3534 (setq gnus-newsgroup-limit
3536 (lambda (header) (mail-header-number header))
3537 gnus-newsgroup-headers)))
3538 ;; Generate the summary buffer.
3540 (gnus-summary-prepare))
3541 (when gnus-use-trees
3542 (gnus-tree-open group)
3543 (setq gnus-summary-highlight-line-function
3544 'gnus-tree-highlight-article))
3545 ;; If the summary buffer is empty, but there are some low-scored
3546 ;; articles or some excluded dormants, we include these in the
3548 (when (and (zerop (buffer-size))
3550 (cond (gnus-newsgroup-dormant
3551 (gnus-summary-limit-include-dormant))
3552 ((and gnus-newsgroup-scored show-all)
3553 (gnus-summary-limit-include-expunged t))))
3554 ;; Function `gnus-apply-kill-file' must be called in this hook.
3555 (gnus-run-hooks 'gnus-apply-kill-hook)
3556 (if (and (zerop (buffer-size))
3559 ;; This newsgroup is empty.
3560 (gnus-summary-catchup-and-exit nil t)
3561 (gnus-message 6 "No unread news")
3563 (gnus-kill-or-deaden-summary kill-buffer))
3564 ;; Return nil from this function.
3566 ;; Hide conversation thread subtrees. We cannot do this in
3567 ;; gnus-summary-prepare-hook since kill processing may not
3568 ;; work with hidden articles.
3569 (gnus-summary-maybe-hide-threads)
3571 (gnus-kill-or-deaden-summary kill-buffer))
3572 (gnus-summary-auto-select-subject)
3573 ;; Show first unread article if requested.
3574 (if (and (not no-article)
3576 gnus-newsgroup-unreads
3577 gnus-auto-select-first)
3579 (gnus-configure-windows 'summary)
3580 (let ((art (gnus-summary-article-number)))
3581 (unless (and (not gnus-plugged)
3582 (or (memq art gnus-newsgroup-undownloaded)
3583 (memq art gnus-newsgroup-downloadable)))
3584 (gnus-summary-goto-article art))))
3585 ;; Don't select any articles.
3586 (gnus-summary-position-point)
3587 (gnus-configure-windows 'summary 'force)
3588 (gnus-set-mode-line 'summary))
3589 (when (and gnus-auto-center-group
3590 (get-buffer-window gnus-group-buffer t))
3591 ;; Gotta use windows, because recenter does weird stuff if
3592 ;; the current buffer ain't the displayed window.
3593 (let ((owin (selected-window)))
3594 (select-window (get-buffer-window gnus-group-buffer t))
3595 (when (gnus-group-goto-group group)
3597 (select-window owin)))
3598 ;; Mark this buffer as "prepared".
3599 (setq gnus-newsgroup-prepared t)
3600 (gnus-run-hooks 'gnus-summary-prepared-hook)
3601 (unless (gnus-ephemeral-group-p group)
3602 (gnus-group-update-group group))
3605 (defun gnus-summary-auto-select-subject ()
3606 "Select the subject line on initial group entry."
3607 (goto-char (point-min))
3609 ((eq gnus-auto-select-subject 'best)
3610 (gnus-summary-best-unread-subject))
3611 ((eq gnus-auto-select-subject 'unread)
3612 (gnus-summary-first-unread-subject))
3613 ((eq gnus-auto-select-subject 'unseen)
3614 (gnus-summary-first-unseen-subject))
3615 ((eq gnus-auto-select-subject 'unseen-or-unread)
3616 (gnus-summary-first-unseen-or-unread-subject))
3617 ((eq gnus-auto-select-subject 'first)
3620 ((functionp gnus-auto-select-subject)
3621 (funcall gnus-auto-select-subject))))
3623 (defun gnus-summary-prepare ()
3624 "Generate the summary buffer."
3626 (let ((buffer-read-only nil))
3628 (setq gnus-newsgroup-data nil
3629 gnus-newsgroup-data-reverse nil)
3630 (gnus-run-hooks 'gnus-summary-generate-hook)
3631 ;; Generate the buffer, either with threads or without.
3632 (when gnus-newsgroup-headers
3633 (gnus-summary-prepare-threads
3634 (if gnus-show-threads
3635 (gnus-sort-gathered-threads
3636 (funcall gnus-summary-thread-gathering-function
3638 (gnus-cut-threads (gnus-make-threads)))))
3639 ;; Unthreaded display.
3640 (gnus-sort-articles gnus-newsgroup-headers))))
3641 (setq gnus-newsgroup-data (nreverse gnus-newsgroup-data))
3642 ;; Call hooks for modifying summary buffer.
3643 (goto-char (point-min))
3644 (gnus-run-hooks 'gnus-summary-prepare-hook)))
3646 (defsubst gnus-general-simplify-subject (subject)
3647 "Simplify subject by the same rules as `gnus-gather-threads-by-subject'."
3650 ;; Truncate the subject.
3651 (gnus-simplify-subject-functions
3652 (gnus-map-function gnus-simplify-subject-functions subject))
3653 ((numberp gnus-summary-gather-subject-limit)
3654 (setq subject (gnus-simplify-subject-re subject))
3655 (if (> (length subject) gnus-summary-gather-subject-limit)
3656 (substring subject 0 gnus-summary-gather-subject-limit)
3658 ;; Fuzzily simplify it.
3659 ((eq 'fuzzy gnus-summary-gather-subject-limit)
3660 (gnus-simplify-subject-fuzzy subject))
3661 ;; Just remove the leading "Re:".
3663 (gnus-simplify-subject-re subject))))
3665 (if (and gnus-summary-gather-exclude-subject
3666 (string-match gnus-summary-gather-exclude-subject subject))
3667 nil ; This article shouldn't be gathered
3670 (defun gnus-summary-simplify-subject-query ()
3671 "Query where the respool algorithm would put this article."
3673 (gnus-summary-select-article)
3674 (message (gnus-general-simplify-subject (gnus-summary-article-subject))))
3676 (defun gnus-gather-threads-by-subject (threads)
3677 "Gather threads by looking at Subject headers."
3678 (if (not gnus-summary-make-false-root)
3680 (let ((hashtb (gnus-make-hashtable 1024))
3683 subject hthread whole-subject)
3685 (setq subject (gnus-general-simplify-subject
3686 (setq whole-subject (mail-header-subject
3689 (if (setq hthread (gnus-gethash subject hashtb))
3691 ;; We enter a dummy root into the thread, if we
3692 ;; haven't done that already.
3693 (unless (stringp (caar hthread))
3694 (setcar hthread (list whole-subject (car hthread))))
3695 ;; We add this new gathered thread to this gathered
3697 (setcdr (car hthread)
3698 (nconc (cdar hthread) (list (car threads))))
3699 ;; Remove it from the list of threads.
3700 (setcdr prev (cdr threads))
3701 (setq threads prev))
3702 ;; Enter this thread into the hash table.
3703 (gnus-sethash subject
3704 (if gnus-summary-make-false-root-always
3706 ;; If you want a dummy root above all
3708 (setcar threads (list whole-subject
3714 (setq threads (cdr threads)))
3717 (defun gnus-gather-threads-by-references (threads)
3718 "Gather threads by looking at References headers."
3719 (let ((idhashtb (gnus-make-hashtable 1024))
3720 (thhashtb (gnus-make-hashtable 1024))
3723 ids references id gthread gid entered ref)
3725 (when (setq references (mail-header-references (caar threads)))
3726 (setq id (mail-header-id (caar threads))
3727 ids (inline (gnus-split-references references))
3729 (while (setq ref (pop ids))
3730 (setq ids (delete ref ids))
3731 (if (not (setq gid (gnus-gethash ref idhashtb)))
3733 (gnus-sethash ref id idhashtb)
3734 (gnus-sethash id threads thhashtb))
3735 (setq gthread (gnus-gethash gid thhashtb))
3737 ;; We enter a dummy root into the thread, if we
3738 ;; haven't done that already.
3739 (unless (stringp (caar gthread))
3740 (setcar gthread (list (mail-header-subject (caar gthread))
3742 ;; We add this new gathered thread to this gathered
3744 (setcdr (car gthread)
3745 (nconc (cdar gthread) (list (car threads)))))
3746 ;; Add it into the thread hash table.
3747 (gnus-sethash id gthread thhashtb)
3749 ;; Remove it from the list of threads.
3750 (setcdr prev (cdr threads))
3751 (setq threads prev))))
3753 (setq threads (cdr threads)))
3756 (defun gnus-sort-gathered-threads (threads)
3757 "Sort subtreads inside each gathered thread by `gnus-sort-gathered-threads-function'."
3758 (let ((result threads))
3760 (when (stringp (caar threads))
3761 (setcdr (car threads)
3762 (sort (cdar threads) gnus-sort-gathered-threads-function)))
3763 (setq threads (cdr threads)))
3766 (defun gnus-thread-loop-p (root thread)
3767 "Say whether ROOT is in THREAD."
3768 (let ((stack (list thread))
3771 (while (setq thread (pop stack))
3772 (setq th (cdr thread))
3774 (not (eq (caar th) root)))
3777 ;; We have found a loop.
3779 (setcdr thread (delq (car th) (cdr thread)))
3780 (if (boundp (setq ref-dep (intern "none"
3781 gnus-newsgroup-dependencies)))
3782 (setcdr (symbol-value ref-dep)
3783 (nconc (cdr (symbol-value ref-dep))
3785 (set ref-dep (list nil (car th))))
3788 ;; Push all the subthreads onto the stack.
3789 (push (cdr thread) stack)))
3792 (defun gnus-make-threads ()
3793 "Go through the dependency hashtb and find the roots. Return all threads."
3795 (while (catch 'infloop
3798 ;; Deal with self-referencing References loops.
3799 (when (and (car (symbol-value refs))
3806 (car (symbol-value refs)) thread))
3807 (cdr (symbol-value refs)))))))
3810 (unless (car (symbol-value refs))
3811 ;; These threads do not refer back to any other
3812 ;; articles, so they're roots.
3813 (setq threads (append (cdr (symbol-value refs)) threads))))
3814 gnus-newsgroup-dependencies)))
3817 ;; Build the thread tree.
3818 (defsubst gnus-dependencies-add-header (header dependencies force-new)
3819 "Enter HEADER into the DEPENDENCIES table if it is not already there.
3821 If FORCE-NEW is not nil, enter HEADER into the DEPENDENCIES table even
3822 if it was already present.
3824 If `gnus-summary-ignore-duplicates' is nil then duplicate Message-IDs
3825 will not be entered in the DEPENDENCIES table. Otherwise duplicate
3826 Message-IDs will be renamed to a unique Message-ID before being
3829 Returns HEADER if it was entered in the DEPENDENCIES. Returns nil otherwise."
3830 (let* ((id (mail-header-id header))
3831 (id-dep (and id (intern id dependencies)))
3832 parent-id ref ref-dep ref-header replaced)
3833 ;; Enter this `header' in the `dependencies' table.
3837 ;; The first two cases do the normal part: enter a new `header'
3838 ;; in the `dependencies' table.
3839 ((not (boundp id-dep))
3840 (set id-dep (list header)))
3841 ((null (car (symbol-value id-dep)))
3842 (setcar (symbol-value id-dep) header))
3844 ;; From here the `header' was already present in the
3845 ;; `dependencies' table.
3847 ;; Overrides an existing entry;
3848 ;; just set the header part of the entry.
3849 (setcar (symbol-value id-dep) header)
3852 ;; Renames the existing `header' to a unique Message-ID.
3853 ((not gnus-summary-ignore-duplicates)
3854 ;; An article with this Message-ID has already been seen.
3855 ;; We rename the Message-ID.
3856 (set (setq id-dep (intern (setq id (nnmail-message-id)) dependencies))
3858 (mail-header-set-id header id))
3860 ;; The last case ignores an existing entry, except it adds any
3861 ;; additional Xrefs (in case the two articles came from different
3863 ;; Also sets `header' to `nil' meaning that the `dependencies'
3864 ;; table was *not* modified.
3866 (mail-header-set-xref
3867 (car (symbol-value id-dep))
3868 (concat (or (mail-header-xref (car (symbol-value id-dep)))
3870 (or (mail-header-xref header) "")))
3873 (when (and header (not replaced))
3874 ;; First check that we are not creating a References loop.
3875 (setq parent-id (gnus-parent-id (mail-header-references header)))
3876 (setq ref parent-id)
3878 (setq ref-dep (intern-soft ref dependencies))
3880 (setq ref-header (car (symbol-value ref-dep))))
3881 (if (string= id ref)
3882 ;; Yuk! This is a reference loop. Make the article be a
3885 (mail-header-set-references (car (symbol-value id-dep)) "none")
3887 (setq parent-id nil))
3888 (setq ref (gnus-parent-id (mail-header-references ref-header)))))
3889 (setq ref-dep (intern (or parent-id "none") dependencies))
3890 (if (boundp ref-dep)
3891 (setcdr (symbol-value ref-dep)
3892 (nconc (cdr (symbol-value ref-dep))
3893 (list (symbol-value id-dep))))
3894 (set ref-dep (list nil (symbol-value id-dep)))))
3897 (defun gnus-extract-message-id-from-in-reply-to (string)
3898 (if (string-match "<[^>]+>" string)
3899 (substring string (match-beginning 0) (match-end 0))
3902 (defun gnus-build-sparse-threads ()
3903 (let ((headers gnus-newsgroup-headers)
3904 (mail-parse-charset gnus-newsgroup-charset)
3905 (gnus-summary-ignore-duplicates t)
3906 header references generation relations
3907 subject child end new-child date)
3908 ;; First we create an alist of generations/relations, where
3909 ;; generations is how much we trust the relation, and the relation
3911 (gnus-message 7 "Making sparse threads...")
3913 (nnheader-set-temp-buffer " *gnus sparse threads*")
3914 (while (setq header (pop headers))
3915 (when (and (setq references (mail-header-references header))
3916 (not (string= references "")))
3918 (setq child (mail-header-id header)
3919 subject (mail-header-subject header)
3920 date (mail-header-date header)
3922 (while (search-backward ">" nil t)
3923 (setq end (1+ (point)))
3924 (when (search-backward "<" nil t)
3925 (setq new-child (buffer-substring (point) end))
3926 (push (list (incf generation)
3927 child (setq child new-child)
3931 (push (list (1+ generation) child nil subject) relations))
3933 (kill-buffer (current-buffer)))
3934 ;; Sort over trustworthiness.
3937 (when (gnus-dependencies-add-header
3938 (make-full-mail-header
3939 gnus-reffed-article-number
3940 (nth 3 relation) "" (or (nth 4 relation) "")
3942 (or (nth 2 relation) "") 0 0 "")
3943 gnus-newsgroup-dependencies nil)
3944 (push gnus-reffed-article-number gnus-newsgroup-limit)
3945 (push gnus-reffed-article-number gnus-newsgroup-sparse)
3946 (push (cons gnus-reffed-article-number gnus-sparse-mark)
3947 gnus-newsgroup-reads)
3948 (decf gnus-reffed-article-number)))
3949 (sort relations 'car-less-than-car))
3950 (gnus-message 7 "Making sparse threads...done")))
3952 (defun gnus-build-old-threads ()
3953 ;; Look at all the articles that refer back to old articles, and
3954 ;; fetch the headers for the articles that aren't there. This will
3955 ;; build complete threads - if the roots haven't been expired by the
3957 (let ((mail-parse-charset gnus-newsgroup-charset)
3961 (when (not (car (symbol-value refs)))
3962 (setq heads (cdr (symbol-value refs)))
3964 (if (memq (mail-header-number (caar heads))
3965 gnus-newsgroup-dormant)
3966 (setq heads (cdr heads))
3967 (setq id (symbol-name refs))
3968 (while (and (setq id (gnus-build-get-header id))
3969 (not (car (gnus-id-to-thread id)))))
3970 (setq heads nil)))))
3971 gnus-newsgroup-dependencies)))
3973 ;; This function has to be called with point after the article number
3974 ;; on the beginning of the line.
3975 (defsubst gnus-nov-parse-line (number dependencies &optional force-new)
3976 (let ((eol (gnus-point-at-eol))
3977 (buffer (current-buffer))
3978 header references in-reply-to)
3980 ;; overview: [num subject from date id refs chars lines misc]
3983 (narrow-to-region (point) eol)
3988 (make-full-mail-header
3990 (condition-case () ; subject
3991 (funcall gnus-decode-encoded-word-function
3992 (setq x (nnheader-nov-field)))
3994 (condition-case () ; from
3995 (funcall gnus-decode-encoded-word-function
3996 (setq x (nnheader-nov-field)))
3998 (nnheader-nov-field) ; date
3999 (nnheader-nov-read-message-id) ; id
4000 (setq references (nnheader-nov-field)) ; refs
4001 (nnheader-nov-read-integer) ; chars
4002 (nnheader-nov-read-integer) ; lines
4004 (if (looking-at "Xref: ")
4005 (goto-char (match-end 0)))
4006 (nnheader-nov-field)) ; Xref
4007 (nnheader-nov-parse-extra)))) ; extra
4011 (when (and (string= references "")
4012 (setq in-reply-to (mail-header-extra header))
4013 (setq in-reply-to (cdr (assq 'In-Reply-To in-reply-to))))
4014 (mail-header-set-references
4015 header (gnus-extract-message-id-from-in-reply-to in-reply-to)))
4017 (when gnus-alter-header-function
4018 (funcall gnus-alter-header-function header))
4019 (gnus-dependencies-add-header header dependencies force-new)))
4021 (defun gnus-build-get-header (id)
4022 "Look through the buffer of NOV lines and find the header to ID.
4023 Enter this line into the dependencies hash table, and return
4024 the id of the parent article (if any)."
4025 (let ((deps gnus-newsgroup-dependencies)
4029 (set-buffer nntp-server-buffer)
4030 (let ((case-fold-search nil))
4031 (goto-char (point-min))
4032 (while (and (not found)
4033 (search-forward id nil t))
4035 (setq found (looking-at
4036 (format "^[^\t]*\t[^\t]*\t[^\t]*\t[^\t]*\t%s"
4037 (regexp-quote id))))
4038 (or found (beginning-of-line 2)))
4042 (setq header (gnus-nov-parse-line
4043 (read (current-buffer)) deps))
4044 (gnus-parent-id (mail-header-references header))))))
4046 (let ((number (mail-header-number header)))
4047 (push number gnus-newsgroup-limit)
4048 (push header gnus-newsgroup-headers)
4049 (if (memq number gnus-newsgroup-unselected)
4051 (setq gnus-newsgroup-unreads
4052 (gnus-add-to-sorted-list gnus-newsgroup-unreads
4054 (setq gnus-newsgroup-unselected
4055 (delq number gnus-newsgroup-unselected)))
4056 (push number gnus-newsgroup-ancient)))))))
4058 (defun gnus-build-all-threads ()
4059 "Read all the headers."
4060 (let ((gnus-summary-ignore-duplicates t)
4061 (mail-parse-charset gnus-newsgroup-charset)
4062 (dependencies gnus-newsgroup-dependencies)
4065 (set-buffer nntp-server-buffer)
4066 (let ((case-fold-search nil))
4067 (goto-char (point-min))
4070 (setq article (read (current-buffer))
4071 header (gnus-nov-parse-line article dependencies)))
4074 (set-buffer gnus-summary-buffer)
4075 (push header gnus-newsgroup-headers)
4076 (if (memq (setq article (mail-header-number header))
4077 gnus-newsgroup-unselected)
4079 (setq gnus-newsgroup-unreads
4080 (gnus-add-to-sorted-list
4081 gnus-newsgroup-unreads article))
4082 (setq gnus-newsgroup-unselected
4083 (delq article gnus-newsgroup-unselected)))
4084 (push article gnus-newsgroup-ancient)))
4085 (forward-line 1)))))))
4087 (defun gnus-summary-update-article-line (article header)
4088 "Update the line for ARTICLE using HEADER."
4089 (let* ((id (mail-header-id header))
4090 (thread (gnus-id-to-thread id)))
4092 (error "Article in no thread"))
4093 ;; Update the thread.
4094 (setcar thread header)
4095 (gnus-summary-goto-subject article)
4096 (let* ((datal (gnus-data-find-list article))
4098 (buffer-read-only nil)
4099 (level (gnus-summary-thread-level)))
4101 (let ((inserted (- (point)
4103 (gnus-summary-insert-line
4105 (memq article gnus-newsgroup-undownloaded)
4106 (gnus-article-mark article)
4107 (memq article gnus-newsgroup-replied)
4108 (memq article gnus-newsgroup-expirable)
4109 ;; Only insert the Subject string when it's different
4110 ;; from the previous Subject string.
4115 (mail-header-subject
4118 (gnus-data-find-list
4120 (gnus-data-list t)))))
4121 ;; Error on the side of excessive subjects.
4123 (mail-header-subject header)))
4125 (mail-header-subject header))
4126 nil (cdr (assq article gnus-newsgroup-scored))
4127 (memq article gnus-newsgroup-processable))
4130 (gnus-data-update-list
4132 (- (gnus-data-pos data) (gnus-data-pos (cadr datal)) inserted)))))))
4134 (defun gnus-summary-update-article (article &optional iheader)
4135 "Update ARTICLE in the summary buffer."
4136 (set-buffer gnus-summary-buffer)
4137 (let* ((header (gnus-summary-article-header article))
4138 (id (mail-header-id header))
4139 (data (gnus-data-find article))
4140 (thread (gnus-id-to-thread id))
4141 (references (mail-header-references header))
4145 (when (and references
4146 (not (equal "" references)))
4149 (buffer-read-only nil)
4155 (delq thread parent)))
4156 (if (gnus-summary-insert-subject id header)
4157 ;; Set the (possibly) new article number in the data structure.
4158 (gnus-data-set-number data (gnus-id-to-article id))
4162 (defun gnus-rebuild-thread (id &optional line)
4163 "Rebuild the thread containing ID.
4164 If LINE, insert the rebuilt thread starting on line LINE."
4165 (let ((buffer-read-only nil)
4166 old-pos current thread data)
4167 (if (not gnus-show-threads)
4168 (setq thread (list (car (gnus-id-to-thread id))))
4169 ;; Get the thread this article is part of.
4170 (setq thread (gnus-remove-thread id)))
4171 (setq old-pos (gnus-point-at-bol))
4172 (setq current (save-excursion
4173 (and (re-search-backward "[\r\n]" nil t)
4174 (gnus-summary-article-number))))
4175 ;; If this is a gathered thread, we have to go some re-gathering.
4176 (when (stringp (car thread))
4177 (let ((subject (car thread))
4179 (setq thread (cdr thread))
4181 (unless (memq (setq thr (gnus-id-to-thread
4183 (mail-header-id (caar thread)))))
4186 (setq thread (cdr thread)))
4187 ;; We now have all (unique) roots.
4188 (if (= (length roots) 1)
4189 ;; All the loose roots are now one solid root.
4190 (setq thread (car roots))
4191 (setq thread (cons subject (gnus-sort-threads roots))))))
4193 ;; We then insert this thread into the summary buffer.
4195 (goto-char (point-min))
4196 (forward-line (1- line)))
4197 (let (gnus-newsgroup-data gnus-newsgroup-threads)
4198 (if gnus-show-threads
4199 (gnus-summary-prepare-threads (gnus-cut-threads (list thread)))
4200 (gnus-summary-prepare-unthreaded thread))
4201 (setq data (nreverse gnus-newsgroup-data))
4202 (setq threads gnus-newsgroup-threads))
4203 ;; We splice the new data into the data structure.
4204 ;;!!! This is kinda bogus. We assume that in LINE is non-nil,
4205 ;;!!! then we want to insert at the beginning of the buffer.
4206 ;;!!! That happens to be true with Gnus now, but that may
4207 ;;!!! change in the future. Perhaps.
4208 (gnus-data-enter-list
4209 (if line nil current) data (- (point) old-pos))
4210 (setq gnus-newsgroup-threads
4211 (nconc threads gnus-newsgroup-threads))
4212 (gnus-data-compute-positions))))
4214 (defun gnus-number-to-header (number)
4215 "Return the header for article NUMBER."
4216 (let ((headers gnus-newsgroup-headers))
4218 (not (= number (mail-header-number (car headers)))))
4223 (defun gnus-parent-headers (in-headers &optional generation)
4224 "Return the headers of the GENERATIONeth parent of HEADERS."
4226 (setq generation 1))
4228 (headers in-headers)
4231 (not (zerop generation))
4232 (setq references (mail-header-references headers)))
4233 (setq headers (if (and references
4234 (setq parent (gnus-parent-id references)))
4235 (car (gnus-id-to-thread parent))
4238 (and (not (eq headers in-headers))
4241 (defun gnus-id-to-thread (id)
4242 "Return the (sub-)thread where ID appears."
4243 (gnus-gethash id gnus-newsgroup-dependencies))
4245 (defun gnus-id-to-article (id)
4246 "Return the article number of ID."
4247 (let ((thread (gnus-id-to-thread id)))
4250 (mail-header-number (car thread)))))
4252 (defun gnus-id-to-header (id)
4253 "Return the article headers of ID."
4254 (car (gnus-id-to-thread id)))
4256 (defun gnus-article-displayed-root-p (article)
4257 "Say whether ARTICLE is a root(ish) article."
4258 (let ((level (gnus-summary-thread-level article))
4259 (refs (mail-header-references (gnus-summary-article-header article)))
4265 ((null (gnus-parent-id refs)) t)
4267 (null (setq particle (gnus-id-to-article
4268 (gnus-parent-id refs))))
4269 (null (gnus-summary-thread-level particle)))))))
4271 (defun gnus-root-id (id)
4272 "Return the id of the root of the thread where ID appears."
4274 (while (and id (setq prev (car (gnus-id-to-thread id))))
4276 id (gnus-parent-id (mail-header-references prev))))
4279 (defun gnus-articles-in-thread (thread)
4280 "Return the list of articles in THREAD."
4281 (cons (mail-header-number (car thread))
4282 (apply 'nconc (mapcar 'gnus-articles-in-thread (cdr thread)))))
4284 (defun gnus-remove-thread (id &optional dont-remove)
4285 "Remove the thread that has ID in it."
4286 (let (headers thread last-id)
4287 ;; First go up in this thread until we find the root.
4288 (setq last-id (gnus-root-id id)
4289 headers (message-flatten-list (gnus-id-to-thread last-id)))
4290 ;; We have now found the real root of this thread. It might have
4291 ;; been gathered into some loose thread, so we have to search
4292 ;; through the threads to find the thread we wanted.
4293 (let ((threads gnus-newsgroup-threads)
4296 (setq sub (car threads))
4297 (if (stringp (car sub))
4298 ;; This is a gathered thread, so we look at the roots
4299 ;; below it to find whether this article is in this
4302 (setq sub (cdr sub))
4304 (when (member (caar sub) headers)
4305 (setq thread (car threads)
4308 (setq sub (cdr sub))))
4309 ;; It's an ordinary thread, so we check it.
4310 (when (eq (car sub) (car headers))
4313 (setq threads (cdr threads)))
4314 ;; If this article is in no thread, then it's a root.
4317 (setq gnus-newsgroup-threads (delq thread gnus-newsgroup-threads)))
4318 (setq thread (gnus-id-to-thread last-id)))
4321 thread ; We return this thread.
4323 (if (stringp (car thread))
4325 ;; If we use dummy roots, then we have to remove the
4326 ;; dummy root as well.
4327 (when (eq gnus-summary-make-false-root 'dummy)
4328 ;; We go to the dummy root by going to
4329 ;; the first sub-"thread", and then one line up.
4330 (gnus-summary-goto-article
4331 (mail-header-number (caadr thread)))
4334 (gnus-data-compute-positions))
4335 (setq thread (cdr thread))
4337 (gnus-remove-thread-1 (car thread))
4338 (setq thread (cdr thread))))
4339 (gnus-remove-thread-1 thread))))))))
4341 (defun gnus-remove-thread-1 (thread)
4342 "Remove the thread THREAD recursively."
4343 (let ((number (mail-header-number (pop thread)))
4345 (setq thread (reverse thread))
4347 (gnus-remove-thread-1 (pop thread)))
4348 (when (setq d (gnus-data-find number))
4349 (goto-char (gnus-data-pos d))
4350 (gnus-summary-show-thread)
4353 (- (gnus-point-at-bol)
4355 (1+ (gnus-point-at-eol))
4356 (gnus-delete-line)))))))
4358 (defun gnus-sort-threads-1 (threads func)
4359 (sort (mapcar (lambda (thread)
4362 (gnus-sort-threads-1 (cdr thread) func))))
4365 (defun gnus-sort-threads (threads)
4367 (if (not gnus-thread-sort-functions)
4369 (gnus-message 8 "Sorting threads...")
4370 (let ((max-lisp-eval-depth 5000))
4371 (prog1 (gnus-sort-threads-1
4373 (gnus-make-sort-function gnus-thread-sort-functions))
4374 (gnus-message 8 "Sorting threads...done")))))
4376 (defun gnus-sort-articles (articles)
4378 (when gnus-article-sort-functions
4379 (gnus-message 7 "Sorting articles...")
4381 (setq gnus-newsgroup-headers
4382 (sort articles (gnus-make-sort-function
4383 gnus-article-sort-functions)))
4384 (gnus-message 7 "Sorting articles...done"))))
4386 ;; Written by Hallvard B Furuseth <h.b.furuseth@usit.uio.no>.
4387 (defmacro gnus-thread-header (thread)
4388 "Return header of first article in THREAD.
4389 Note that THREAD must never, ever be anything else than a variable -
4390 using some other form will lead to serious barfage."
4391 (or (symbolp thread) (signal 'wrong-type-argument '(symbolp thread)))
4392 ;; (8% speedup to gnus-summary-prepare, just for fun :-)
4393 (list 'byte-code "\10\211:\203\17\0\211@;\203\16\0A@@\207"
4396 (defsubst gnus-article-sort-by-number (h1 h2)
4397 "Sort articles by article number."
4398 (< (mail-header-number h1)
4399 (mail-header-number h2)))
4401 (defun gnus-thread-sort-by-number (h1 h2)
4402 "Sort threads by root article number."
4403 (gnus-article-sort-by-number
4404 (gnus-thread-header h1) (gnus-thread-header h2)))
4406 (defsubst gnus-article-sort-by-random (h1 h2)
4407 "Sort articles by article number."
4410 (defun gnus-thread-sort-by-random (h1 h2)
4411 "Sort threads by root article number."
4412 (gnus-article-sort-by-random
4413 (gnus-thread-header h1) (gnus-thread-header h2)))
4415 (defsubst gnus-article-sort-by-lines (h1 h2)
4416 "Sort articles by article Lines header."
4417 (< (mail-header-lines h1)
4418 (mail-header-lines h2)))
4420 (defun gnus-thread-sort-by-lines (h1 h2)
4421 "Sort threads by root article Lines header."
4422 (gnus-article-sort-by-lines
4423 (gnus-thread-header h1) (gnus-thread-header h2)))
4425 (defsubst gnus-article-sort-by-chars (h1 h2)
4426 "Sort articles by octet length."
4427 (< (mail-header-chars h1)
4428 (mail-header-chars h2)))
4430 (defun gnus-thread-sort-by-chars (h1 h2)
4431 "Sort threads by root article octet length."
4432 (gnus-article-sort-by-chars
4433 (gnus-thread-header h1) (gnus-thread-header h2)))
4435 (defsubst gnus-article-sort-by-author (h1 h2)
4436 "Sort articles by root author."
4438 (let ((extract (funcall
4439 gnus-extract-address-components
4440 (mail-header-from h1))))
4441 (or (car extract) (cadr extract) ""))
4442 (let ((extract (funcall
4443 gnus-extract-address-components
4444 (mail-header-from h2))))
4445 (or (car extract) (cadr extract) ""))))
4447 (defun gnus-thread-sort-by-author (h1 h2)
4448 "Sort threads by root author."
4449 (gnus-article-sort-by-author
4450 (gnus-thread-header h1) (gnus-thread-header h2)))
4452 (defsubst gnus-article-sort-by-subject (h1 h2)
4453 "Sort articles by root subject."
4455 (downcase (gnus-simplify-subject-re (mail-header-subject h1)))
4456 (downcase (gnus-simplify-subject-re (mail-header-subject h2)))))
4458 (defun gnus-thread-sort-by-subject (h1 h2)
4459 "Sort threads by root subject."
4460 (gnus-article-sort-by-subject
4461 (gnus-thread-header h1) (gnus-thread-header h2)))
4463 (defsubst gnus-article-sort-by-date (h1 h2)
4464 "Sort articles by root article date."
4466 (gnus-date-get-time (mail-header-date h1))
4467 (gnus-date-get-time (mail-header-date h2))))
4469 (defun gnus-thread-sort-by-date (h1 h2)
4470 "Sort threads by root article date."
4471 (gnus-article-sort-by-date
4472 (gnus-thread-header h1) (gnus-thread-header h2)))
4474 (defsubst gnus-article-sort-by-score (h1 h2)
4475 "Sort articles by root article score.
4476 Unscored articles will be counted as having a score of zero."
4477 (> (or (cdr (assq (mail-header-number h1)
4478 gnus-newsgroup-scored))
4479 gnus-summary-default-score 0)
4480 (or (cdr (assq (mail-header-number h2)
4481 gnus-newsgroup-scored))
4482 gnus-summary-default-score 0)))
4484 (defun gnus-thread-sort-by-score (h1 h2)
4485 "Sort threads by root article score."
4486 (gnus-article-sort-by-score
4487 (gnus-thread-header h1) (gnus-thread-header h2)))
4489 (defun gnus-thread-sort-by-total-score (h1 h2)
4490 "Sort threads by the sum of all scores in the thread.
4491 Unscored articles will be counted as having a score of zero."
4492 (> (gnus-thread-total-score h1) (gnus-thread-total-score h2)))
4494 (defun gnus-thread-total-score (thread)
4495 ;; This function find the total score of THREAD.
4500 (if (stringp (car thread))
4501 (apply gnus-thread-score-function 0
4502 (mapcar 'gnus-thread-total-score-1 (cdr thread)))
4503 (gnus-thread-total-score-1 thread)))
4505 (gnus-thread-total-score-1 (list thread)))))
4507 (defun gnus-thread-sort-by-most-recent-number (h1 h2)
4508 "Sort threads such that the thread with the most recently arrived article comes first."
4509 (> (gnus-thread-highest-number h1) (gnus-thread-highest-number h2)))
4511 (defun gnus-thread-highest-number (thread)
4512 "Return the highest article number in THREAD."
4513 (apply 'max (mapcar (lambda (header)
4514 (mail-header-number header))
4515 (message-flatten-list thread))))
4517 (defun gnus-thread-sort-by-most-recent-date (h1 h2)
4518 "Sort threads such that the thread with the most recently dated article comes first."
4519 (> (gnus-thread-latest-date h1) (gnus-thread-latest-date h2)))
4521 (defun gnus-thread-latest-date (thread)
4522 "Return the highest article date in THREAD."
4523 (let ((previous-time 0))
4529 (time-to-seconds (mail-header-parse-date
4530 (mail-header-date header)))
4531 (error previous-time))))
4533 (message-flatten-list thread)
4535 (< (mail-header-number h1)
4536 (mail-header-number h2))))))))
4538 (defun gnus-thread-total-score-1 (root)
4539 ;; This function find the total score of the thread below ROOT.
4540 (setq root (car root))
4541 (apply gnus-thread-score-function
4543 (mapcar 'gnus-thread-total-score
4544 (cdr (gnus-id-to-thread (mail-header-id root))))
4545 (when (> (mail-header-number root) 0)
4546 (list (or (cdr (assq (mail-header-number root)
4547 gnus-newsgroup-scored))
4548 gnus-summary-default-score 0))))
4549 (list gnus-summary-default-score)
4552 ;; Added by Per Abrahamsen <amanda@iesd.auc.dk>.
4553 (defvar gnus-tmp-prev-subject nil)
4554 (defvar gnus-tmp-false-parent nil)
4555 (defvar gnus-tmp-root-expunged nil)
4556 (defvar gnus-tmp-dummy-line nil)
4558 (eval-when-compile (defvar gnus-tmp-header))
4559 (defun gnus-extra-header (type &optional header)
4560 "Return the extra header of TYPE."
4561 (or (cdr (assq type (mail-header-extra (or header gnus-tmp-header))))
4564 (defvar gnus-tmp-thread-tree-header-string "")
4566 (defcustom gnus-sum-thread-tree-root "> "
4567 "With %B spec, used for the root of a thread.
4568 If nil, use subject instead."
4570 :group 'gnus-thread)
4571 (defcustom gnus-sum-thread-tree-false-root "> "
4572 "With %B spec, used for a false root of a thread.
4573 If nil, use subject instead."
4575 :group 'gnus-thread)
4576 (defcustom gnus-sum-thread-tree-single-indent ""
4577 "With %B spec, used for a thread with just one message.
4578 If nil, use subject instead."
4580 :group 'gnus-thread)
4581 (defcustom gnus-sum-thread-tree-vertical "| "
4582 "With %B spec, used for drawing a vertical line."
4584 :group 'gnus-thread)
4585 (defcustom gnus-sum-thread-tree-indent " "
4586 "With %B spec, used for indenting."
4588 :group 'gnus-thread)
4589 (defcustom gnus-sum-thread-tree-leaf-with-other "+-> "
4590 "With %B spec, used for a leaf with brothers."
4592 :group 'gnus-thread)
4593 (defcustom gnus-sum-thread-tree-single-leaf "\\-> "
4594 "With %B spec, used for a leaf without brothers."
4596 :group 'gnus-thread)
4598 (defun gnus-summary-prepare-threads (threads)
4599 "Prepare summary buffer from THREADS and indentation LEVEL.
4600 THREADS is either a list of `(PARENT [(CHILD1 [(GRANDCHILD ...]...) ...])'
4601 or a straight list of headers."
4602 (gnus-message 7 "Generating summary...")
4604 (setq gnus-newsgroup-threads threads)
4607 (let ((gnus-tmp-level 0)
4608 (default-score (or gnus-summary-default-score 0))
4609 (gnus-visual-p (gnus-visual-p 'summary-highlight 'highlight))
4610 (building-line-count gnus-summary-display-while-building)
4611 (building-count (integerp gnus-summary-display-while-building))
4612 thread number subject stack state gnus-tmp-gathered beg-match
4613 new-roots gnus-tmp-new-adopts thread-end simp-subject
4614 gnus-tmp-header gnus-tmp-unread gnus-tmp-downloaded
4615 gnus-tmp-replied gnus-tmp-subject-or-nil
4616 gnus-tmp-dummy gnus-tmp-indentation gnus-tmp-lines gnus-tmp-score
4617 gnus-tmp-score-char gnus-tmp-from gnus-tmp-name
4618 gnus-tmp-number gnus-tmp-opening-bracket gnus-tmp-closing-bracket
4621 (setq gnus-tmp-prev-subject nil
4622 gnus-tmp-thread-tree-header-string "")
4624 (if (vectorp (car threads))
4625 ;; If this is a straight (sic) list of headers, then a
4626 ;; threaded summary display isn't required, so we just create
4627 ;; an unthreaded one.
4628 (gnus-summary-prepare-unthreaded threads)
4630 ;; Do the threaded display.
4632 (if gnus-summary-display-while-building
4633 (switch-to-buffer (buffer-name)))
4634 (while (or threads stack gnus-tmp-new-adopts new-roots)
4636 (if (and (= gnus-tmp-level 0)
4639 (not gnus-tmp-false-parent)
4640 (or gnus-tmp-new-adopts new-roots))
4641 (if gnus-tmp-new-adopts
4642 (setq gnus-tmp-level (if gnus-tmp-root-expunged 0 1)
4643 thread (list (car gnus-tmp-new-adopts))
4644 gnus-tmp-header (caar thread)
4645 gnus-tmp-new-adopts (cdr gnus-tmp-new-adopts))
4647 (setq thread (list (car new-roots))
4648 gnus-tmp-header (caar thread)
4649 new-roots (cdr new-roots))))
4652 ;; If there are some threads, we do them before the
4653 ;; threads on the stack.
4654 (setq thread threads
4655 gnus-tmp-header (caar thread))
4656 ;; There were no current threads, so we pop something off
4658 (setq state (car stack)
4659 gnus-tmp-level (car state)
4660 tree-stack (cadr state)
4661 thread (caddr state)
4663 gnus-tmp-header (caar thread))))
4665 (setq gnus-tmp-false-parent nil)
4666 (setq gnus-tmp-root-expunged nil)
4667 (setq thread-end nil)
4669 (if (stringp gnus-tmp-header)
4670 ;; The header is a dummy root.
4672 ((eq gnus-summary-make-false-root 'adopt)
4673 ;; We let the first article adopt the rest.
4674 (setq gnus-tmp-new-adopts (nconc gnus-tmp-new-adopts
4676 (setq gnus-tmp-gathered
4678 (lambda (h) (mail-header-number (car h)))
4681 (setq thread (cons (list (caar thread)
4684 (setq gnus-tmp-level -1
4685 gnus-tmp-false-parent t))
4686 ((eq gnus-summary-make-false-root 'empty)
4687 ;; We print adopted articles with empty subject fields.
4688 (setq gnus-tmp-gathered
4690 (lambda (h) (mail-header-number (car h)))
4693 (setq gnus-tmp-level -1))
4694 ((eq gnus-summary-make-false-root 'dummy)
4695 ;; We remember that we probably want to output a dummy
4697 (setq gnus-tmp-dummy-line gnus-tmp-header)
4698 (setq gnus-tmp-prev-subject gnus-tmp-header))
4700 ;; We do not make a root for the gathered
4701 ;; sub-threads at all.
4702 (setq gnus-tmp-level -1)))
4704 (setq number (mail-header-number gnus-tmp-header)
4705 subject (mail-header-subject gnus-tmp-header)
4706 simp-subject (gnus-simplify-subject-fully subject))
4709 ;; If the thread has changed subject, we might want to make
4710 ;; this subthread into a root.
4711 ((and (null gnus-thread-ignore-subject)
4712 (not (zerop gnus-tmp-level))
4713 gnus-tmp-prev-subject
4714 (not (string= gnus-tmp-prev-subject simp-subject)))
4715 (setq new-roots (nconc new-roots (list (car thread)))
4717 gnus-tmp-header nil))
4718 ;; If the article lies outside the current limit,
4719 ;; then we do not display it.
4720 ((not (memq number gnus-newsgroup-limit))
4721 (setq gnus-tmp-gathered
4723 (lambda (h) (mail-header-number (car h)))
4726 (setq gnus-tmp-new-adopts (if (cdar thread)
4727 (append gnus-tmp-new-adopts
4729 gnus-tmp-new-adopts)
4731 gnus-tmp-header nil)
4732 (when (zerop gnus-tmp-level)
4733 (setq gnus-tmp-root-expunged t)))
4734 ;; Perhaps this article is to be marked as read?
4735 ((and gnus-summary-mark-below
4736 (< (or (cdr (assq number gnus-newsgroup-scored))
4738 gnus-summary-mark-below)
4739 ;; Don't touch sparse articles.
4740 (not (gnus-summary-article-sparse-p number))
4741 (not (gnus-summary-article-ancient-p number)))
4742 (setq gnus-newsgroup-unreads
4743 (delq number gnus-newsgroup-unreads))
4744 (if gnus-newsgroup-auto-expire
4745 (setq gnus-newsgroup-expirable
4746 (gnus-add-to-sorted-list
4747 gnus-newsgroup-expirable number))
4748 (push (cons number gnus-low-score-mark)
4749 gnus-newsgroup-reads))))
4751 (when gnus-tmp-header
4752 ;; We may have an old dummy line to output before this
4754 (when (and gnus-tmp-dummy-line
4757 (mail-header-subject gnus-tmp-header)))
4758 (gnus-summary-insert-dummy-line
4759 gnus-tmp-dummy-line (mail-header-number gnus-tmp-header))
4760 (setq gnus-tmp-dummy-line nil))
4762 ;; Compute the mark.
4763 (setq gnus-tmp-unread (gnus-article-mark number))
4765 (push (gnus-data-make number gnus-tmp-unread (1+ (point))
4766 gnus-tmp-header gnus-tmp-level)
4767 gnus-newsgroup-data)
4769 ;; Actually insert the line.
4771 gnus-tmp-subject-or-nil
4773 ((and gnus-thread-ignore-subject
4774 gnus-tmp-prev-subject
4775 (not (string= gnus-tmp-prev-subject simp-subject)))
4777 ((zerop gnus-tmp-level)
4778 (if (and (eq gnus-summary-make-false-root 'empty)
4779 (memq number gnus-tmp-gathered)
4780 gnus-tmp-prev-subject
4781 (string= gnus-tmp-prev-subject simp-subject))
4782 gnus-summary-same-subject
4784 (t gnus-summary-same-subject)))
4785 (if (and (eq gnus-summary-make-false-root 'adopt)
4786 (= gnus-tmp-level 1)
4787 (memq number gnus-tmp-gathered))
4788 (setq gnus-tmp-opening-bracket ?\<
4789 gnus-tmp-closing-bracket ?\>)
4790 (setq gnus-tmp-opening-bracket ?\[
4791 gnus-tmp-closing-bracket ?\]))
4793 gnus-tmp-indentation
4794 (aref gnus-thread-indent-array gnus-tmp-level)
4795 gnus-tmp-lines (mail-header-lines gnus-tmp-header)
4796 gnus-tmp-score (or (cdr (assq number gnus-newsgroup-scored))
4797 gnus-summary-default-score 0)
4799 (if (or (null gnus-summary-default-score)
4800 (<= (abs (- gnus-tmp-score gnus-summary-default-score))
4801 gnus-summary-zcore-fuzz))
4803 (if (< gnus-tmp-score gnus-summary-default-score)
4804 gnus-score-below-mark gnus-score-over-mark))
4806 (cond ((memq number gnus-newsgroup-processable)
4808 ((memq number gnus-newsgroup-cached)
4810 ((memq number gnus-newsgroup-replied)
4812 ((memq number gnus-newsgroup-forwarded)
4813 gnus-forwarded-mark)
4814 ((memq number gnus-newsgroup-saved)
4816 ((memq number gnus-newsgroup-recent)
4818 ((memq number gnus-newsgroup-unseen)
4822 (cond ((memq number gnus-newsgroup-undownloaded)
4823 gnus-undownloaded-mark)
4824 (gnus-newsgroup-agentized
4825 gnus-downloaded-mark)
4828 gnus-tmp-from (mail-header-from gnus-tmp-header)
4831 ((string-match "<[^>]+> *$" gnus-tmp-from)
4832 (setq beg-match (match-beginning 0))
4833 (or (and (string-match "^\".+\"" gnus-tmp-from)
4834 (substring gnus-tmp-from 1 (1- (match-end 0))))
4835 (substring gnus-tmp-from 0 beg-match)))
4836 ((string-match "(.+)" gnus-tmp-from)
4837 (substring gnus-tmp-from
4838 (1+ (match-beginning 0)) (1- (match-end 0))))
4842 gnus-tmp-thread-tree-header-string
4844 ((not gnus-show-threads) "")
4845 ((zerop gnus-tmp-level)
4846 (cond ((cdar thread)
4847 (or gnus-sum-thread-tree-root subject))
4848 (gnus-tmp-new-adopts
4849 (or gnus-sum-thread-tree-false-root subject))
4851 (or gnus-sum-thread-tree-single-indent subject))))
4853 (concat (apply 'concat
4854 (mapcar (lambda (item)
4856 gnus-sum-thread-tree-vertical
4857 gnus-sum-thread-tree-indent))
4858 (cdr (reverse tree-stack))))
4860 gnus-sum-thread-tree-leaf-with-other
4861 gnus-sum-thread-tree-single-leaf)))))
4862 (when (string= gnus-tmp-name "")
4863 (setq gnus-tmp-name gnus-tmp-from))
4864 (unless (numberp gnus-tmp-lines)
4865 (setq gnus-tmp-lines -1))
4866 (if (= gnus-tmp-lines -1)
4867 (setq gnus-tmp-lines "?")
4868 (setq gnus-tmp-lines (number-to-string gnus-tmp-lines)))
4869 (gnus-put-text-property
4871 (progn (eval gnus-summary-line-format-spec) (point))
4872 'gnus-number number)
4875 (gnus-run-hooks 'gnus-summary-update-hook)
4878 (setq gnus-tmp-prev-subject simp-subject)))
4880 (when (nth 1 thread)
4881 (push (list (max 0 gnus-tmp-level)
4882 (copy-sequence tree-stack)
4885 (push (if (nth 1 thread) 1 0) tree-stack)
4886 (incf gnus-tmp-level)
4887 (setq threads (if thread-end nil (cdar thread)))
4888 (if gnus-summary-display-while-building
4891 ;; use a set frequency
4892 (setq building-line-count (1- building-line-count))
4893 (when (= building-line-count 0)
4895 (setq building-line-count
4896 gnus-summary-display-while-building)))
4900 (setq gnus-tmp-level 0)))))
4901 (gnus-message 7 "Generating summary...done"))
4903 (defun gnus-summary-prepare-unthreaded (headers)
4904 "Generate an unthreaded summary buffer based on HEADERS."
4905 (let (header number mark)
4910 ;; We may have to root out some bad articles...
4911 (when (memq (setq number (mail-header-number
4912 (setq header (pop headers))))
4913 gnus-newsgroup-limit)
4914 ;; Mark article as read when it has a low score.
4915 (when (and gnus-summary-mark-below
4916 (< (or (cdr (assq number gnus-newsgroup-scored))
4917 gnus-summary-default-score 0)
4918 gnus-summary-mark-below)
4919 (not (gnus-summary-article-ancient-p number)))
4920 (setq gnus-newsgroup-unreads
4921 (delq number gnus-newsgroup-unreads))
4922 (if gnus-newsgroup-auto-expire
4923 (push number gnus-newsgroup-expirable)
4924 (push (cons number gnus-low-score-mark)
4925 gnus-newsgroup-reads)))
4927 (setq mark (gnus-article-mark number))
4928 (push (gnus-data-make number mark (1+ (point)) header 0)
4929 gnus-newsgroup-data)
4930 (gnus-summary-insert-line
4932 (memq number gnus-newsgroup-undownloaded)
4933 mark (memq number gnus-newsgroup-replied)
4934 (memq number gnus-newsgroup-expirable)
4935 (mail-header-subject header) nil
4936 (cdr (assq number gnus-newsgroup-scored))
4937 (memq number gnus-newsgroup-processable))))))
4939 (defun gnus-summary-remove-list-identifiers ()
4940 "Remove list identifiers in `gnus-list-identifiers' from articles in the current group."
4941 (let ((regexp (if (consp gnus-list-identifiers)
4942 (mapconcat 'identity gnus-list-identifiers " *\\|")
4943 gnus-list-identifiers))
4946 (dolist (header gnus-newsgroup-headers)
4947 (setq subject (mail-header-subject header)
4949 (while (string-match
4950 (concat "^\\(R[Ee]: +\\)*\\(" regexp " *\\)")
4953 (concat (substring subject 0 (match-beginning 2))
4954 (substring subject (match-end 0)))
4958 "^\\(\\(R[Ee]: +\\)+\\)R[Ee]: +" subject))
4960 (concat (substring subject 0 (match-beginning 1))
4961 (substring subject (match-end 1)))))
4963 (mail-header-set-subject header subject))))))
4965 (defun gnus-fetch-headers (articles)
4966 "Fetch headers of ARTICLES."
4967 (let ((name (gnus-group-decoded-name gnus-newsgroup-name)))
4968 (gnus-message 5 "Fetching headers for %s..." name)
4971 (setq gnus-headers-retrieved-by
4972 (gnus-retrieve-headers
4973 articles gnus-newsgroup-name
4974 ;; We might want to fetch old headers, but
4975 ;; not if there is only 1 article.
4977 (not (eq gnus-fetch-old-headers 'some))
4978 (not (numberp gnus-fetch-old-headers)))
4979 (> (length articles) 1))
4980 gnus-fetch-old-headers))))
4981 (gnus-get-newsgroup-headers-xover
4982 articles nil nil gnus-newsgroup-name t)
4983 (gnus-get-newsgroup-headers))
4984 (gnus-message 5 "Fetching headers for %s...done" name))))
4986 (defun gnus-select-newsgroup (group &optional read-all select-articles)
4987 "Select newsgroup GROUP.
4988 If READ-ALL is non-nil, all articles in the group are selected.
4989 If SELECT-ARTICLES, only select those articles from GROUP."
4990 (let* ((entry (gnus-gethash group gnus-newsrc-hashtb))
4991 ;;!!! Dirty hack; should be removed.
4992 (gnus-summary-ignore-duplicates
4993 (if (eq (car (gnus-find-method-for-group group)) 'nnvirtual)
4995 gnus-summary-ignore-duplicates))
4996 (info (nth 2 entry))
4997 articles fetched-articles cached)
4999 (unless (gnus-check-server
5000 (set (make-local-variable 'gnus-current-select-method)
5001 (gnus-find-method-for-group group)))
5002 (error "Couldn't open server"))
5004 (or (and entry (not (eq (car entry) t))) ; Either it's active...
5005 (gnus-activate-group group) ; Or we can activate it...
5006 (progn ; Or we bug out.
5007 (when (equal major-mode 'gnus-summary-mode)
5008 (gnus-kill-buffer (current-buffer)))
5009 (error "Couldn't activate group %s: %s"
5010 group (gnus-status-message group))))
5012 (unless (gnus-request-group group t)
5013 (when (equal major-mode 'gnus-summary-mode)
5014 (gnus-kill-buffer (current-buffer)))
5015 (error "Couldn't request group %s: %s"
5016 group (gnus-status-message group)))
5019 ;; The agent may be storing articles that are no longer in the
5020 ;; server's active range. If that is the case, the active range
5021 ;; needs to be expanded such that the agent's articles can be
5022 ;; included in the summary.
5023 (let* ((gnus-command-method (gnus-find-method-for-group group))
5024 (alist (gnus-agent-load-alist group))
5025 (active (gnus-active group)))
5026 (if (and (car alist)
5027 (< (caar alist) (car active)))
5028 (gnus-set-active group (cons (caar alist) (cdr active)))))
5030 (setq gnus-summary-use-undownloaded-faces
5031 (not (gnus-agent-find-parameter
5033 'agent-disable-undownloaded-faces))))
5035 (setq gnus-newsgroup-name group
5036 gnus-newsgroup-unselected nil
5037 gnus-newsgroup-unreads (gnus-list-of-unread-articles group))
5039 (let ((display (gnus-group-find-parameter group 'display)))
5040 (setq gnus-newsgroup-display
5042 ((not (zerop (or (car-safe read-all) 0)))
5043 ;; The user entered the group with C-u SPC/RET, let's show
5049 (gnus-summary-display-make-predicate (mapcar 'identity display)))
5051 ;; The following is probably the "correct" solution, but
5052 ;; it makes Gnus fetch all headers and then limit the
5053 ;; articles (which is slow), so instead we hack the
5054 ;; select-articles parameter instead. -- Simon Josefsson
5057 ;; (gnus-byte-compile
5058 ;; `(lambda () (> number ,(- (cdr (gnus-active group))
5060 (setq select-articles
5061 (gnus-uncompress-range
5062 (cons (let ((tmp (- (cdr (gnus-active group)) display)))
5066 (cdr (gnus-active group)))))
5071 (gnus-summary-setup-default-charset)
5073 ;; Kludge to avoid having cached articles nixed out in virtual groups.
5074 (when (gnus-virtual-group-p group)
5075 (setq cached gnus-newsgroup-cached))
5077 (setq gnus-newsgroup-unreads
5078 (gnus-sorted-ndifference
5079 (gnus-sorted-ndifference gnus-newsgroup-unreads
5080 gnus-newsgroup-marked)
5081 gnus-newsgroup-dormant))
5083 (setq gnus-newsgroup-processable nil)
5085 (gnus-update-read-articles group gnus-newsgroup-unreads)
5087 ;; Adjust and set lists of article marks.
5089 (gnus-adjust-marked-articles info))
5090 (if (setq articles select-articles)
5091 (setq gnus-newsgroup-unselected
5092 (gnus-sorted-difference gnus-newsgroup-unreads articles))
5093 (setq articles (gnus-articles-to-read group read-all)))
5097 ;;(gnus-message 3 "Couldn't select newsgroup -- no articles to display")
5099 ((eq articles 0) nil)
5101 ;; Init the dependencies hash table.
5102 (setq gnus-newsgroup-dependencies
5103 (gnus-make-hashtable (length articles)))
5104 (gnus-set-global-variables)
5105 ;; Retrieve the headers and read them in.
5107 (setq gnus-newsgroup-headers (gnus-fetch-headers articles))
5109 ;; Kludge to avoid having cached articles nixed out in virtual groups.
5111 (setq gnus-newsgroup-cached cached))
5113 ;; Suppress duplicates?
5114 (when gnus-suppress-duplicates
5115 (gnus-dup-suppress-articles))
5117 ;; Set the initial limit.
5118 (setq gnus-newsgroup-limit (copy-sequence articles))
5119 ;; Remove canceled articles from the list of unread articles.
5120 (setq fetched-articles
5121 (mapcar (lambda (headers) (mail-header-number headers))
5122 gnus-newsgroup-headers))
5123 (setq gnus-newsgroup-articles fetched-articles)
5124 (setq gnus-newsgroup-unreads
5125 (gnus-sorted-nintersection
5126 gnus-newsgroup-unreads fetched-articles))
5127 (gnus-compute-unseen-list)
5129 ;; Removed marked articles that do not exist.
5130 (gnus-update-missing-marks
5131 (gnus-sorted-difference articles fetched-articles))
5132 ;; We might want to build some more threads first.
5133 (when (and gnus-fetch-old-headers
5134 (eq gnus-headers-retrieved-by 'nov))
5135 (if (eq gnus-fetch-old-headers 'invisible)
5136 (gnus-build-all-threads)
5137 (gnus-build-old-threads)))
5138 ;; Let the Gnus agent mark articles as read.
5140 (gnus-agent-get-undownloaded-list))
5141 ;; Remove list identifiers from subject
5142 (when gnus-list-identifiers
5143 (gnus-summary-remove-list-identifiers))
5144 ;; Check whether auto-expire is to be done in this group.
5145 (setq gnus-newsgroup-auto-expire
5146 (gnus-group-auto-expirable-p group))
5147 ;; Set up the article buffer now, if necessary.
5148 (unless gnus-single-article-buffer
5149 (gnus-article-setup-buffer))
5150 ;; First and last article in this newsgroup.
5151 (when gnus-newsgroup-headers
5152 (setq gnus-newsgroup-begin
5153 (mail-header-number (car gnus-newsgroup-headers))
5156 (gnus-last-element gnus-newsgroup-headers))))
5157 ;; GROUP is successfully selected.
5158 (or gnus-newsgroup-headers t)))))
5160 (defun gnus-compute-unseen-list ()
5161 ;; The `seen' marks are treated specially.
5162 (if (not gnus-newsgroup-seen)
5163 (setq gnus-newsgroup-unseen gnus-newsgroup-articles)
5164 (setq gnus-newsgroup-unseen
5165 (gnus-inverse-list-range-intersection
5166 gnus-newsgroup-articles gnus-newsgroup-seen))))
5168 (defun gnus-summary-display-make-predicate (display)
5169 (require 'gnus-agent)
5170 (when (= (length display) 1)
5171 (setq display (car display)))
5172 (unless gnus-summary-display-cache
5173 (dolist (elem (append '((unread . unread)
5176 gnus-article-mark-lists))
5177 (push (cons (cdr elem)
5179 `(lambda () (gnus-article-marked-p ',(cdr elem)))))
5180 gnus-summary-display-cache)))
5181 (let ((gnus-category-predicate-alist gnus-summary-display-cache)
5182 (gnus-category-predicate-cache gnus-summary-display-cache))
5183 (gnus-get-predicate display)))
5185 ;; Uses the dynamically bound `number' variable.
5188 (defun gnus-article-marked-p (type &optional article)
5189 (let ((article (or article number)))
5192 (memq article gnus-newsgroup-marked))
5194 (memq article gnus-newsgroup-spam-marked))
5196 (memq article gnus-newsgroup-unsendable))
5197 ((eq type 'undownload)
5198 (memq article gnus-newsgroup-undownloaded))
5199 ((eq type 'download)
5200 (memq article gnus-newsgroup-downloadable))
5202 (memq article gnus-newsgroup-unreads))
5204 (memq article gnus-newsgroup-reads))
5206 (memq article gnus-newsgroup-dormant) )
5208 (memq article gnus-newsgroup-expirable))
5210 (memq article gnus-newsgroup-replied))
5212 (memq article gnus-newsgroup-killed))
5213 ((eq type 'bookmark)
5214 (assq article gnus-newsgroup-bookmarks))
5216 (assq article gnus-newsgroup-scored))
5218 (memq article gnus-newsgroup-saved))
5220 (memq article gnus-newsgroup-cached))
5222 (memq article gnus-newsgroup-forwarded))
5224 (not (memq article gnus-newsgroup-unseen)))
5226 (memq article gnus-newsgroup-recent))
5229 (defun gnus-articles-to-read (group &optional read-all)
5230 "Find out what articles the user wants to read."
5231 (let* ((display (gnus-group-find-parameter group 'display))
5233 ;; Select all articles if `read-all' is non-nil, or if there
5234 ;; are no unread articles.
5236 (and (zerop (length gnus-newsgroup-marked))
5237 (zerop (length gnus-newsgroup-unreads)))
5238 ;; Fetch all if the predicate is non-nil.
5239 gnus-newsgroup-display)
5240 ;; We want to select the headers for all the articles in
5241 ;; the group, so we select either all the active
5242 ;; articles in the group, or (if that's nil), the
5243 ;; articles in the cache.
5245 (gnus-uncompress-range (gnus-active group))
5246 (gnus-cache-articles-in-group group))
5247 ;; Select only the "normal" subset of articles.
5249 (gnus-sorted-union gnus-newsgroup-dormant gnus-newsgroup-marked)
5250 gnus-newsgroup-unreads)))
5251 (scored-list (gnus-killed-articles gnus-newsgroup-killed articles))
5252 (scored (length scored-list))
5253 (number (length articles))
5254 (marked (+ (length gnus-newsgroup-marked)
5255 (length gnus-newsgroup-dormant)))
5260 ((numberp gnus-newsgroup-display)
5261 gnus-newsgroup-display)
5265 ((and (or (<= scored marked) (= scored number))
5266 (numberp gnus-large-newsgroup)
5267 (> number gnus-large-newsgroup))
5268 (let* ((cursor-in-echo-area nil)
5269 (initial (gnus-parameter-large-newsgroup-initial
5270 gnus-newsgroup-name))
5274 "How many articles from %s (%s %d): "
5276 (gnus-group-decoded-name gnus-newsgroup-name)
5278 (if initial "max" "default")
5281 (cons (number-to-string initial)
5283 (if (string-match "^[ \t]*$" input) number input)))
5284 ((and (> scored marked) (< scored number)
5285 (> (- scored number) 20))
5288 (format "%s %s (%d scored, %d total): "
5289 "How many articles from"
5290 (gnus-group-decoded-name group)
5292 (if (string-match "^[ \t]*$" input)
5296 (message "Quit getting the articles to read")
5298 (setq select (if (stringp select) (string-to-number select) select))
5299 (if (or (null select) (zerop select))
5301 (if (and (not (zerop scored)) (<= (abs select) scored))
5303 (setq articles (sort scored-list '<))
5304 (setq number (length articles)))
5305 (setq articles (copy-sequence articles)))
5307 (when (< (abs select) number)
5309 ;; Select the N oldest articles.
5310 (setcdr (nthcdr (1- (abs select)) articles) nil)
5311 ;; Select the N most recent articles.
5312 (setq articles (nthcdr (- number select) articles))))
5313 (setq gnus-newsgroup-unselected
5314 (gnus-sorted-difference gnus-newsgroup-unreads articles))
5315 (when gnus-alter-articles-to-read-function
5318 (funcall gnus-alter-articles-to-read-function
5319 gnus-newsgroup-name articles)
5323 (defun gnus-killed-articles (killed articles)
5326 (when (inline (gnus-member-of-range (car articles) killed))
5327 (push (car articles) out))
5328 (setq articles (cdr articles)))
5331 (defun gnus-uncompress-marks (marks)
5332 "Uncompress the mark ranges in MARKS."
5333 (let ((uncompressed '(score bookmark))
5336 (if (memq (caar marks) uncompressed)
5337 (push (car marks) out)
5338 (push (cons (caar marks) (gnus-uncompress-range (cdar marks))) out))
5339 (setq marks (cdr marks)))
5342 (defun gnus-article-mark-to-type (mark)
5343 "Return the type of MARK."
5344 (or (cadr (assq mark gnus-article-special-mark-lists))
5347 (defun gnus-article-unpropagatable-p (mark)
5348 "Return whether MARK should be propagated to back end."
5349 (memq mark gnus-article-unpropagated-mark-lists))
5351 (defun gnus-adjust-marked-articles (info)
5352 "Set all article lists and remove all marks that are no longer valid."
5353 (let* ((marked-lists (gnus-info-marks info))
5354 (active (gnus-active (gnus-info-group info)))
5357 (types gnus-article-mark-lists)
5358 marks var articles article mark mark-type)
5360 (dolist (marks marked-lists)
5361 (setq mark (car marks)
5362 mark-type (gnus-article-mark-to-type mark)
5363 var (intern (format "gnus-newsgroup-%s" (car (rassq mark types)))))
5365 ;; We set the variable according to the type of the marks list,
5366 ;; and then adjust the marks to a subset of the active articles.
5368 ;; Adjust "simple" lists.
5369 ((eq mark-type 'list)
5370 (set var (setq articles (gnus-uncompress-range (cdr marks))))
5371 (when (memq mark '(tick dormant expire reply save))
5373 (when (or (< (setq article (pop articles)) min) (> article max))
5374 (set var (delq article (symbol-value var)))))))
5376 ((eq mark-type 'tuple)
5377 (set var (setq articles (cdr marks)))
5378 (when (not (listp (cdr (symbol-value var))))
5379 (set var (list (symbol-value var))))
5380 (when (not (listp (cdr articles)))
5381 (setq articles (list articles)))
5383 (when (or (not (consp (setq article (pop articles))))
5384 (< (car article) min)
5385 (> (car article) max))
5386 (set var (delq article (symbol-value var))))))
5387 ;; Adjust ranges (sloppily).
5388 ((eq mark-type 'range)
5391 ;; Fix the record for `seen' if it looks like (seen NUM1 . NUM2).
5392 ;; It should be (seen (NUM1 . NUM2)).
5393 (when (numberp (cddr marks))
5394 (setcdr marks (list (cdr marks))))
5395 (setq articles (cdr marks))
5396 (while (and articles
5397 (or (and (consp (car articles))
5398 (> min (cdar articles)))
5399 (and (numberp (car articles))
5400 (> min (car articles)))))
5402 (set var articles))))))))
5404 (defun gnus-update-missing-marks (missing)
5405 "Go through the list of MISSING articles and remove them from the mark lists."
5408 ;; Go through all types.
5409 (dolist (elem gnus-article-mark-lists)
5410 (when (eq (gnus-article-mark-to-type (cdr elem)) 'list)
5411 (setq var (intern (format "gnus-newsgroup-%s" (car elem))))
5412 (when (symbol-value var)
5413 ;; This list has articles. So we delete all missing
5414 ;; articles from it.
5417 (set var (delq (pop m) (symbol-value var))))))))))
5419 (defun gnus-update-marks ()
5420 "Enter the various lists of marked articles into the newsgroup info list."
5421 (let ((types gnus-article-mark-lists)
5422 (info (gnus-get-info gnus-newsgroup-name))
5423 type list newmarked symbol delta-marks)
5425 ;; Add all marks lists to the list of marks lists.
5426 (while (setq type (pop types))
5427 (setq list (symbol-value
5429 (intern (format "gnus-newsgroup-%s" (car type))))))
5432 ;; Get rid of the entries of the articles that have the
5434 (when (and (eq (cdr type) 'score)
5438 (prev (cons nil list))
5441 (if (or (not (consp (car arts)))
5442 (= (cdar arts) gnus-summary-default-score))
5443 (setcdr prev (cdr arts))
5445 (setq arts (cdr arts)))
5446 (setq list (cdr all)))))
5448 (when (eq (cdr type) 'seen)
5449 (setq list (gnus-range-add list gnus-newsgroup-unseen)))
5451 (when (eq (gnus-article-mark-to-type (cdr type)) 'list)
5452 (setq list (gnus-compress-sequence (set symbol (sort list '<)) t)))
5454 (when (and (gnus-check-backend-function
5455 'request-set-mark gnus-newsgroup-name)
5456 (not (gnus-article-unpropagatable-p (cdr type))))
5457 (let* ((old (cdr (assq (cdr type) (gnus-info-marks info))))
5458 (del (gnus-remove-from-range (gnus-copy-sequence old) list))
5459 (add (gnus-remove-from-range
5460 (gnus-copy-sequence list) old)))
5462 (push (list add 'add (list (cdr type))) delta-marks))
5464 (push (list del 'del (list (cdr type))) delta-marks))))
5467 (push (cons (cdr type) list) newmarked)))
5470 (unless (gnus-check-group gnus-newsgroup-name)
5471 (error "Can't open server for %s" gnus-newsgroup-name))
5472 (gnus-request-set-mark gnus-newsgroup-name delta-marks))
5474 ;; Enter these new marks into the info of the group.
5476 (setcar (nthcdr 3 info) newmarked)
5477 ;; Add the marks lists to the end of the info.
5479 (setcdr (nthcdr 2 info) (list newmarked))))
5481 ;; Cut off the end of the info if there's nothing else there.
5485 (when (nthcdr (decf i) info)
5486 (setcdr (nthcdr i info) nil)))))))
5488 (defun gnus-set-mode-line (where)
5489 "Set the mode line of the article or summary buffers.
5490 If WHERE is `summary', the summary mode line format will be used."
5491 ;; Is this mode line one we keep updated?
5492 (when (and (memq where gnus-updated-mode-lines)
5494 (intern (format "gnus-%s-mode-line-format-spec" where))))
5497 ;; We evaluate this in the summary buffer since these
5498 ;; variables are buffer-local to that buffer.
5499 (set-buffer gnus-summary-buffer)
5500 ;; We bind all these variables that are used in the `eval' form
5502 (let* ((mformat (symbol-value
5504 (format "gnus-%s-mode-line-format-spec" where))))
5505 (gnus-tmp-group-name (gnus-group-decoded-name
5506 gnus-newsgroup-name))
5507 (gnus-tmp-article-number (or gnus-current-article 0))
5508 (gnus-tmp-unread gnus-newsgroup-unreads)
5509 (gnus-tmp-unread-and-unticked (length gnus-newsgroup-unreads))
5510 (gnus-tmp-unselected (length gnus-newsgroup-unselected))
5511 (gnus-tmp-unread-and-unselected
5512 (cond ((and (zerop gnus-tmp-unread-and-unticked)
5513 (zerop gnus-tmp-unselected))
5515 ((zerop gnus-tmp-unselected)
5516 (format "{%d more}" gnus-tmp-unread-and-unticked))
5517 (t (format "{%d(+%d) more}"
5518 gnus-tmp-unread-and-unticked
5519 gnus-tmp-unselected))))
5521 (if (and gnus-current-headers
5522 (vectorp gnus-current-headers))
5523 (gnus-mode-string-quote
5524 (mail-header-subject gnus-current-headers))
5526 bufname-length max-len
5527 gnus-tmp-header) ;; passed as argument to any user-format-funcs
5528 (setq mode-string (eval mformat))
5529 (setq bufname-length (if (string-match "%b" mode-string)
5532 (if (eq where 'summary)
5534 (get-buffer gnus-article-buffer))))
5537 (setq max-len (max 4 (if gnus-mode-non-string-length
5539 gnus-mode-non-string-length
5541 (length mode-string))))
5542 ;; We might have to chop a bit of the string off...
5543 (when (> (length mode-string) max-len)
5545 (concat (truncate-string-to-width mode-string (- max-len 3))
5547 ;; Pad the mode string a bit.
5548 (setq mode-string (format (format "%%-%ds" max-len) mode-string))))
5549 ;; Update the mode line.
5550 (setq mode-line-buffer-identification
5551 (gnus-mode-line-buffer-identification (list mode-string)))
5552 (set-buffer-modified-p t))))
5554 (defun gnus-create-xref-hashtb (from-newsgroup headers unreads)
5555 "Go through the HEADERS list and add all Xrefs to a hash table.
5556 The resulting hash table is returned, or nil if no Xrefs were found."
5557 (let* ((virtual (gnus-virtual-group-p from-newsgroup))
5558 (prefix (if virtual "" (gnus-group-real-prefix from-newsgroup)))
5559 (xref-hashtb (gnus-make-hashtable))
5560 start group entry number xrefs header)
5562 (setq header (pop headers))
5563 (when (and (setq xrefs (mail-header-xref header))
5564 (not (memq (setq number (mail-header-number header))
5567 (while (string-match "\\([^ ]+\\)[:/]\\([0-9]+\\)" xrefs start)
5568 (setq start (match-end 0))
5569 (setq group (if prefix
5570 (concat prefix (substring xrefs (match-beginning 1)
5572 (substring xrefs (match-beginning 1) (match-end 1))))
5574 (string-to-int (substring xrefs (match-beginning 2)
5576 (if (setq entry (gnus-gethash group xref-hashtb))
5577 (setcdr entry (cons number (cdr entry)))
5578 (gnus-sethash group (cons number nil) xref-hashtb)))))
5579 (and start xref-hashtb)))
5581 (defun gnus-mark-xrefs-as-read (from-newsgroup headers unreads)
5582 "Look through all the headers and mark the Xrefs as read."
5583 (let ((virtual (gnus-virtual-group-p from-newsgroup))
5584 name entry info xref-hashtb idlist method nth4)
5586 (set-buffer gnus-group-buffer)
5587 (when (setq xref-hashtb
5588 (gnus-create-xref-hashtb from-newsgroup headers unreads))
5591 (unless (string= from-newsgroup (setq name (symbol-name group)))
5592 (setq idlist (symbol-value group))
5593 ;; Dead groups are not updated.
5595 (setq entry (gnus-gethash name gnus-newsrc-hashtb)
5597 (when (stringp (setq nth4 (gnus-info-method info)))
5598 (setq nth4 (gnus-server-to-method nth4))))
5599 ;; Only do the xrefs if the group has the same
5600 ;; select method as the group we have just read.
5601 (or (gnus-methods-equal-p
5602 nth4 (gnus-find-method-for-group from-newsgroup))
5604 (equal nth4 (setq method (gnus-find-method-for-group
5606 (and (equal (car nth4) (car method))
5607 (equal (nth 1 nth4) (nth 1 method))))
5608 gnus-use-cross-reference
5609 (or (not (eq gnus-use-cross-reference t))
5611 ;; Only do cross-references on subscribed
5612 ;; groups, if that is what is wanted.
5613 (<= (gnus-info-level info) gnus-level-subscribed))
5614 (gnus-group-make-articles-read name idlist))))
5617 (defun gnus-compute-read-articles (group articles)
5618 (let* ((entry (gnus-gethash group gnus-newsrc-hashtb))
5619 (info (nth 2 entry))
5620 (active (gnus-active group))
5623 ;; First peel off all invalid article numbers.
5625 (let ((ids articles)
5627 (while (setq id (pop ids))
5628 (when (and first (> id (cdr active)))
5629 ;; We'll end up in this situation in one particular
5630 ;; obscure situation. If you re-scan a group and get
5631 ;; a new article that is cross-posted to a different
5632 ;; group that has not been re-scanned, you might get
5633 ;; crossposted article that has a higher number than
5634 ;; Gnus believes possible. So we re-activate this
5635 ;; group as well. This might mean doing the
5636 ;; crossposting thingy will *increase* the number
5637 ;; of articles in some groups. Tsk, tsk.
5638 (setq active (or (gnus-activate-group group) active)))
5639 (when (or (> id (cdr active))
5640 (< id (car active)))
5641 (setq articles (delq id articles))))))
5642 ;; If the read list is nil, we init it.
5644 (null (gnus-info-read info))
5646 (setq ninfo (cons 1 (1- (car active))))
5647 (setq ninfo (gnus-info-read info)))
5648 ;; Then we add the read articles to the range.
5650 ninfo (setq articles (sort articles '<))))))
5652 (defun gnus-group-make-articles-read (group articles)
5653 "Update the info of GROUP to say that ARTICLES are read."
5655 (entry (gnus-gethash group gnus-newsrc-hashtb))
5656 (info (nth 2 entry))
5657 (active (gnus-active group))
5660 (setq range (gnus-compute-read-articles group articles))
5662 (set-buffer gnus-group-buffer)
5665 (gnus-info-set-marks ',info ',(gnus-info-marks info) t)
5666 (gnus-info-set-read ',info ',(gnus-info-read info))
5667 (gnus-get-unread-articles-in-group ',info (gnus-active ,group))
5668 (gnus-request-set-mark ,group (list (list ',range 'del '(read))))
5669 (gnus-group-update-group ,group t))))
5670 ;; Add the read articles to the range.
5671 (gnus-info-set-read info range)
5672 (gnus-request-set-mark group (list (list range 'add '(read))))
5673 ;; Then we have to re-compute how many unread
5674 ;; articles there are in this group.
5678 (setq num (- (1+ (cdr active)) (car active))))
5679 ((not (listp (cdr range)))
5680 (setq num (- (cdr active) (- (1+ (cdr range))
5684 (if (numberp (car range))
5686 (setq num (+ num (- (1+ (cdar range)) (caar range)))))
5687 (setq range (cdr range)))
5688 (setq num (- (cdr active) num))))
5689 ;; Update the number of unread articles.
5691 ;; Update the group buffer.
5692 (unless (gnus-ephemeral-group-p group)
5693 (gnus-group-update-group group t))))))
5695 (defvar gnus-newsgroup-none-id 0)
5697 (defun gnus-get-newsgroup-headers (&optional dependencies force-new)
5698 (let ((cur nntp-server-buffer)
5701 (save-excursion (set-buffer gnus-summary-buffer)
5702 gnus-newsgroup-dependencies)))
5704 (mail-parse-charset gnus-newsgroup-charset)
5705 (mail-parse-ignored-charsets
5706 (save-excursion (condition-case nil
5707 (set-buffer gnus-summary-buffer)
5709 gnus-newsgroup-ignored-charsets)))
5711 (set-buffer nntp-server-buffer)
5712 ;; Translate all TAB characters into SPACE characters.
5713 (subst-char-in-region (point-min) (point-max) ?\t ? t)
5714 (subst-char-in-region (point-min) (point-max) ?\r ? t)
5715 (ietf-drums-unfold-fws)
5716 (gnus-run-hooks 'gnus-parse-headers-hook)
5717 (let ((case-fold-search t)
5718 in-reply-to header p lines chars)
5719 (goto-char (point-min))
5720 ;; Search to the beginning of the next header. Error messages
5721 ;; do not begin with 2 or 3.
5722 (while (re-search-forward "^[23][0-9]+ " nil t)
5725 ;; This implementation of this function, with nine
5726 ;; search-forwards instead of the one re-search-forward and
5727 ;; a case (which basically was the old function) is actually
5728 ;; about twice as fast, even though it looks messier. You
5729 ;; can't have everything, I guess. Speed and elegance
5730 ;; doesn't always go hand in hand.
5739 (narrow-to-region (point)
5740 (or (and (search-forward "\n.\n" nil t)
5746 (if (search-forward "\nsubject:" nil t)
5747 (funcall gnus-decode-encoded-word-function
5748 (nnheader-header-value))
5753 (if (search-forward "\nfrom:" nil t)
5754 (funcall gnus-decode-encoded-word-function
5755 (nnheader-header-value))
5760 (if (search-forward "\ndate:" nil t)
5761 (nnheader-header-value) ""))
5765 (setq id (if (re-search-forward
5766 "^message-id: *\\(<[^\n\t> ]+>\\)" nil t)
5767 ;; We do it this way to make sure the Message-ID
5768 ;; is (somewhat) syntactically valid.
5769 (buffer-substring (match-beginning 1)
5771 ;; If there was no message-id, we just fake one
5772 ;; to make subsequent routines simpler.
5773 (nnheader-generate-fake-message-id))))
5777 (if (search-forward "\nreferences:" nil t)
5781 (nnheader-header-value)
5786 (search-backward ">" end t)
5789 (search-backward "<" end t)
5791 ;; Get the references from the in-reply-to header if there
5792 ;; were no references and the in-reply-to header looks
5794 (if (and (search-forward "\nin-reply-to:" nil t)
5795 (setq in-reply-to (nnheader-header-value))
5796 (string-match "<[^>]+>" in-reply-to))
5798 (setq ref (substring in-reply-to (match-beginning 0)
5800 (while (string-match "<[^>]+>" in-reply-to (match-end 0))
5801 (setq ref2 (substring in-reply-to (match-beginning 0)
5803 (when (> (length ref2) (length ref))
5810 (if (search-forward "\nchars: " nil t)
5811 (if (numberp (setq chars (ignore-errors (read cur))))
5817 (if (search-forward "\nlines: " nil t)
5818 (if (numberp (setq lines (ignore-errors (read cur))))
5824 (and (search-forward "\nxref:" nil t)
5825 (nnheader-header-value)))
5827 (when gnus-extra-headers
5828 (let ((extra gnus-extra-headers)
5832 (when (search-forward
5833 (concat "\n" (symbol-name (car extra)) ":") nil t)
5834 (push (cons (car extra) (nnheader-header-value))
5838 (when (equal id ref)
5841 (when gnus-alter-header-function
5842 (funcall gnus-alter-header-function header)
5843 (setq id (mail-header-id header)
5844 ref (gnus-parent-id (mail-header-references header))))
5847 (gnus-dependencies-add-header
5848 header dependencies force-new))
5849 (push header headers))
5850 (goto-char (point-max))
5852 (nreverse headers)))))
5854 ;; Goes through the xover lines and returns a list of vectors
5855 (defun gnus-get-newsgroup-headers-xover (sequence &optional
5856 force-new dependencies
5857 group also-fetch-heads)
5858 "Parse the news overview data in the server buffer.
5859 Return a list of headers that match SEQUENCE (see
5860 `nntp-retrieve-headers')."
5861 ;; Get the Xref when the users reads the articles since most/some
5862 ;; NNTP servers do not include Xrefs when using XOVER.
5863 (setq gnus-article-internal-prepare-hook '(gnus-article-get-xrefs))
5864 (let ((mail-parse-charset gnus-newsgroup-charset)
5865 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets)
5866 (cur nntp-server-buffer)
5867 (dependencies (or dependencies gnus-newsgroup-dependencies))
5869 ((eq gnus-read-all-available-headers t)
5871 ((stringp gnus-read-all-available-headers)
5872 (string-match gnus-read-all-available-headers group))
5875 number headers header)
5877 (set-buffer nntp-server-buffer)
5878 (subst-char-in-region (point-min) (point-max) ?\r ? t)
5879 ;; Allow the user to mangle the headers before parsing them.
5880 (gnus-run-hooks 'gnus-parse-headers-hook)
5881 (goto-char (point-min))
5882 (gnus-parse-without-error
5883 (while (and (or sequence allp)
5885 (setq number (read cur))
5887 (while (and sequence
5888 (< (car sequence) number))
5889 (setq sequence (cdr sequence))))
5892 (eq number (car sequence))))
5894 (setq sequence (cdr sequence))
5895 (setq header (inline
5896 (gnus-nov-parse-line
5897 number dependencies force-new)))))
5898 (push header headers))
5900 ;; A common bug in inn is that if you have posted an article and
5901 ;; then retrieves the active file, it will answer correctly --
5902 ;; the new article is included. However, a NOV entry for the
5903 ;; article may not have been generated yet, so this may fail.
5904 ;; We work around this problem by retrieving the last few
5905 ;; headers using HEAD.
5906 (if (or (not also-fetch-heads)
5908 ;; We (probably) got all the headers.
5910 (let ((gnus-nov-is-evil t))
5913 (when (eq (gnus-retrieve-headers sequence group) 'headers)
5914 (gnus-get-newsgroup-headers))))))))
5916 (defun gnus-article-get-xrefs ()
5917 "Fill in the Xref value in `gnus-current-headers', if necessary.
5918 This is meant to be called in `gnus-article-internal-prepare-hook'."
5919 (let ((headers (save-excursion (set-buffer gnus-summary-buffer)
5920 gnus-current-headers)))
5921 (or (not gnus-use-cross-reference)
5923 (and (mail-header-xref headers)
5924 (not (string= (mail-header-xref headers) "")))
5925 (let ((case-fold-search t)
5928 (nnheader-narrow-to-headers)
5929 (goto-char (point-min))
5930 (when (or (and (not (eobp))
5931 (eq (downcase (char-after)) ?x)
5932 (looking-at "Xref:"))
5933 (search-forward "\nXref:" nil t))
5934 (goto-char (1+ (match-end 0)))
5935 (setq xref (buffer-substring (point) (gnus-point-at-eol)))
5936 (mail-header-set-xref headers xref)))))))
5938 (defun gnus-summary-insert-subject (id &optional old-header use-old-header)
5939 "Find article ID and insert the summary line for that article.
5940 OLD-HEADER can either be a header or a line number to insert
5941 the subject line on."
5942 (let* ((line (and (numberp old-header) old-header))
5943 (old-header (and (vectorp old-header) old-header))
5944 (header (cond ((and old-header use-old-header)
5947 (gnus-number-to-header id))
5948 (gnus-number-to-header id))
5950 (gnus-read-header id))))
5951 (number (and (numberp id) id))
5954 ;; Rebuild the thread that this article is part of and go to the
5955 ;; article we have fetched.
5956 (when (and (not gnus-show-threads)
5959 (setq d (gnus-data-find (mail-header-number old-header))))
5960 (goto-char (gnus-data-pos d))
5963 (- (gnus-point-at-bol)
5965 (1+ (gnus-point-at-eol))
5966 (gnus-delete-line))))))
5968 (mail-header-set-number header (mail-header-number old-header)))
5969 (setq gnus-newsgroup-sparse
5970 (delq (setq number (mail-header-number header))
5971 gnus-newsgroup-sparse))
5972 (setq gnus-newsgroup-ancient (delq number gnus-newsgroup-ancient))
5973 (push number gnus-newsgroup-limit)
5974 (gnus-rebuild-thread (mail-header-id header) line)
5975 (gnus-summary-goto-subject number nil t))
5976 (when (and (numberp number)
5978 ;; We have to update the boundaries even if we can't fetch the
5979 ;; article if ID is a number -- so that the next `P' or `N'
5980 ;; command will fetch the previous (or next) article even
5981 ;; if the one we tried to fetch this time has been canceled.
5982 (when (> number gnus-newsgroup-end)
5983 (setq gnus-newsgroup-end number))
5984 (when (< number gnus-newsgroup-begin)
5985 (setq gnus-newsgroup-begin number))
5986 (setq gnus-newsgroup-unselected
5987 (delq number gnus-newsgroup-unselected)))
5988 ;; Report back a success?
5989 (and header (mail-header-number header))))
5991 ;;; Process/prefix in the summary buffer
5993 (defun gnus-summary-work-articles (n)
5994 "Return a list of articles to be worked upon.
5995 The prefix argument, the list of process marked articles, and the
5996 current article will be taken into consideration."
5998 (set-buffer gnus-summary-buffer)
6001 ;; A numerical prefix has been given.
6002 (setq n (prefix-numeric-value n))
6003 (let ((backward (< n 0))
6004 (n (abs (prefix-numeric-value n)))
6009 (push (setq article (gnus-summary-article-number))
6012 (gnus-summary-find-prev nil article)
6013 (gnus-summary-find-next nil article)))
6015 (nreverse articles)))
6016 ((and (gnus-region-active-p) (mark))
6017 (message "region active")
6018 ;; Work on the region between point and mark.
6019 (let ((max (max (point) (mark)))
6022 (goto-char (min (min (point) (mark))))
6025 (push (setq article (gnus-summary-article-number)) articles)
6026 (gnus-summary-find-next nil article)
6028 (nreverse articles))))
6029 (gnus-newsgroup-processable
6030 ;; There are process-marked articles present.
6031 ;; Save current state.
6032 (gnus-summary-save-process-mark)
6034 (reverse gnus-newsgroup-processable))
6036 ;; Just return the current article.
6037 (list (gnus-summary-article-number))))))
6039 (defmacro gnus-summary-iterate (arg &rest forms)
6040 "Iterate over the process/prefixed articles and do FORMS.
6041 ARG is the interactive prefix given to the command. FORMS will be
6042 executed with point over the summary line of the articles."
6043 (let ((articles (make-symbol "gnus-summary-iterate-articles")))
6044 `(let ((,articles (gnus-summary-work-articles ,arg)))
6046 (gnus-summary-goto-subject (car ,articles))
6050 (put 'gnus-summary-iterate 'lisp-indent-function 1)
6051 (put 'gnus-summary-iterate 'edebug-form-spec '(form body))
6053 (defun gnus-summary-save-process-mark ()
6054 "Push the current set of process marked articles on the stack."
6056 (push (copy-sequence gnus-newsgroup-processable)
6057 gnus-newsgroup-process-stack))
6059 (defun gnus-summary-kill-process-mark ()
6060 "Push the current set of process marked articles on the stack and unmark."
6062 (gnus-summary-save-process-mark)
6063 (gnus-summary-unmark-all-processable))
6065 (defun gnus-summary-yank-process-mark ()
6066 "Pop the last process mark state off the stack and restore it."
6068 (unless gnus-newsgroup-process-stack
6069 (error "Empty mark stack"))
6070 (gnus-summary-process-mark-set (pop gnus-newsgroup-process-stack)))
6072 (defun gnus-summary-process-mark-set (set)
6073 "Make SET into the current process marked articles."
6074 (gnus-summary-unmark-all-processable)
6076 (gnus-summary-set-process-mark (pop set))))
6078 ;;; Searching and stuff
6080 (defun gnus-summary-search-group (&optional backward use-level)
6081 "Search for next unread newsgroup.
6082 If optional argument BACKWARD is non-nil, search backward instead."
6084 (set-buffer gnus-group-buffer)
6085 (when (gnus-group-search-forward
6086 backward nil (if use-level (gnus-group-group-level) nil))
6087 (gnus-group-group-name))))
6089 (defun gnus-summary-best-group (&optional exclude-group)
6090 "Find the name of the best unread group.
6091 If EXCLUDE-GROUP, do not go to this group."
6093 (set-buffer gnus-group-buffer)
6095 (gnus-group-best-unread-group exclude-group))))
6097 (defun gnus-summary-find-next (&optional unread article backward)
6099 (gnus-summary-find-prev unread article)
6100 (let* ((dummy (gnus-summary-article-intangible-p))
6101 (article (or article (gnus-summary-article-number)))
6102 (data (gnus-data-find-list article))
6104 (when (and (not dummy)
6105 (or (not gnus-summary-check-current)
6107 (not (gnus-data-unread-p (car data)))))
6108 (setq data (cdr data)))
6113 (unless (memq (gnus-data-number (car data))
6115 ((eq gnus-auto-goto-ignores
6116 'always-undownloaded)
6117 gnus-newsgroup-undownloaded)
6120 ((eq gnus-auto-goto-ignores
6122 gnus-newsgroup-unfetched)
6123 ((eq gnus-auto-goto-ignores
6125 gnus-newsgroup-undownloaded)))
6126 (when (gnus-data-unread-p (car data))
6127 (setq result (car data)
6129 (setq data (cdr data)))
6132 (goto-char (gnus-data-pos result))
6133 (gnus-data-number result)))))
6135 (defun gnus-summary-find-prev (&optional unread article)
6136 (let* ((eobp (eobp))
6137 (article (or article (gnus-summary-article-number)))
6138 (data (gnus-data-find-list article (gnus-data-list 'rev)))
6140 (when (and (not eobp)
6141 (or (not gnus-summary-check-current)
6143 (not (gnus-data-unread-p (car data)))))
6144 (setq data (cdr data)))
6149 (unless (memq (gnus-data-number (car data))
6151 ((eq gnus-auto-goto-ignores
6152 'always-undownloaded)
6153 gnus-newsgroup-undownloaded)
6156 ((eq gnus-auto-goto-ignores
6158 gnus-newsgroup-unfetched)
6159 ((eq gnus-auto-goto-ignores
6161 gnus-newsgroup-undownloaded)))
6162 (when (gnus-data-unread-p (car data))
6163 (setq result (car data)
6165 (setq data (cdr data)))
6168 (goto-char (gnus-data-pos result))
6169 (gnus-data-number result))))
6171 (defun gnus-summary-find-subject (subject &optional unread backward article)
6172 (let* ((simp-subject (gnus-simplify-subject-fully subject))
6173 (article (or article (gnus-summary-article-number)))
6174 (articles (gnus-data-list backward))
6175 (arts (gnus-data-find-list article articles))
6177 (when (or (not gnus-summary-check-current)
6179 (not (gnus-data-unread-p (car arts))))
6180 (setq arts (cdr arts)))
6182 (and (or (not unread)
6183 (gnus-data-unread-p (car arts)))
6184 (vectorp (gnus-data-header (car arts)))
6186 simp-subject (mail-header-subject (gnus-data-header (car arts))) t)
6187 (setq result (car arts)
6189 (setq arts (cdr arts)))
6191 (goto-char (gnus-data-pos result))
6192 (gnus-data-number result))))
6194 (defun gnus-summary-search-forward (&optional unread subject backward)
6195 "Search forward for an article.
6196 If UNREAD, look for unread articles. If SUBJECT, look for
6197 articles with that subject. If BACKWARD, search backward instead."
6198 (cond (subject (gnus-summary-find-subject subject unread backward))
6199 (backward (gnus-summary-find-prev unread))
6200 (t (gnus-summary-find-next unread))))
6202 (defun gnus-recenter (&optional n)
6203 "Center point in window and redisplay frame.
6204 Also do horizontal recentering."
6206 (when (and gnus-auto-center-summary
6207 (not (eq gnus-auto-center-summary 'vertical)))
6208 (gnus-horizontal-recenter))
6211 (defun gnus-summary-recenter ()
6212 "Center point in the summary window.
6213 If `gnus-auto-center-summary' is nil, or the article buffer isn't
6214 displayed, no centering will be performed."
6215 ;; Suggested by earle@mahendo.JPL.NASA.GOV (Greg Earle).
6216 ;; Recenter only when requested. Suggested by popovich@park.cs.columbia.edu.
6218 ;; The user has to want it.
6219 (when gnus-auto-center-summary
6220 (let* ((top (cond ((< (window-height) 4) 0)
6221 ((< (window-height) 7) 1)
6222 (t (if (numberp gnus-auto-center-summary)
6223 gnus-auto-center-summary
6225 (height (1- (window-height)))
6226 (bottom (save-excursion (goto-char (point-max))
6227 (forward-line (- height))
6229 (window (get-buffer-window (current-buffer))))
6230 (when (get-buffer-window gnus-article-buffer)
6231 ;; Only do recentering when the article buffer is displayed,
6232 ;; Set the window start to either `bottom', which is the biggest
6233 ;; possible valid number, or the second line from the top,
6234 ;; whichever is the least.
6235 (let ((top-pos (save-excursion (forward-line (- top)) (point))))
6236 (if (> bottom top-pos)
6237 ;; Keep the second line from the top visible
6238 (set-window-start window top-pos t)
6239 ;; Try to keep the bottom line visible; if it's partially
6240 ;; obscured, either scroll one more line to make it fully
6241 ;; visible, or revert to using TOP-POS.
6243 (goto-char (point-max))
6245 (let ((last-line-start (point)))
6247 (set-window-start window (point) t)
6248 (when (not (pos-visible-in-window-p last-line-start window))
6250 (set-window-start window (min (point) top-pos) t)))))))
6251 ;; Do horizontal recentering while we're at it.
6252 (when (and (get-buffer-window (current-buffer) t)
6253 (not (eq gnus-auto-center-summary 'vertical)))
6254 (let ((selected (selected-window)))
6255 (select-window (get-buffer-window (current-buffer) t))
6256 (gnus-summary-position-point)
6257 (gnus-horizontal-recenter)
6258 (select-window selected))))))
6260 (defun gnus-summary-jump-to-group (newsgroup)
6261 "Move point to NEWSGROUP in group mode buffer."
6262 ;; Keep update point of group mode buffer if visible.
6263 (if (eq (current-buffer) (get-buffer gnus-group-buffer))
6264 (save-window-excursion
6265 ;; Take care of tree window mode.
6266 (when (get-buffer-window gnus-group-buffer)
6267 (pop-to-buffer gnus-group-buffer))
6268 (gnus-group-jump-to-group newsgroup))
6270 ;; Take care of tree window mode.
6271 (if (get-buffer-window gnus-group-buffer)
6272 (pop-to-buffer gnus-group-buffer)
6273 (set-buffer gnus-group-buffer))
6274 (gnus-group-jump-to-group newsgroup))))
6276 ;; This function returns a list of article numbers based on the
6277 ;; difference between the ranges of read articles in this group and
6278 ;; the range of active articles.
6279 (defun gnus-list-of-unread-articles (group)
6280 (let* ((read (gnus-info-read (gnus-get-info group)))
6281 (active (or (gnus-active group) (gnus-activate-group group)))
6284 ;; If none are read, then all are unread.
6286 (setq first (car active))
6287 ;; If the range of read articles is a single range, then the
6288 ;; first unread article is the article after the last read
6289 ;; article. Sounds logical, doesn't it?
6290 (if (and (not (listp (cdr read)))
6291 (or (< (car read) (car active))
6292 (progn (setq read (list read))
6294 (setq first (max (car active) (1+ (cdr read))))
6295 ;; `read' is a list of ranges.
6296 (when (/= (setq nlast (or (and (numberp (car read)) (car read))
6299 (setq first (car active)))
6302 (while (< first nlast)
6304 (setq first (1+ first))))
6305 (setq first (1+ (if (atom (car read)) (car read) (cdar read))))
6306 (setq nlast (if (atom (cadr read)) (cadr read) (caadr read)))
6307 (setq read (cdr read)))))
6308 ;; And add the last unread articles.
6309 (while (<= first last)
6311 (setq first (1+ first)))
6312 ;; Return the list of unread articles.
6313 (delq 0 (nreverse unread))))
6315 (defun gnus-list-of-read-articles (group)
6316 "Return a list of unread, unticked and non-dormant articles."
6317 (let* ((info (gnus-get-info group))
6318 (marked (gnus-info-marks info))
6319 (active (gnus-active group)))
6321 (gnus-list-range-difference
6322 (gnus-list-range-difference
6323 (gnus-sorted-complement
6324 (gnus-uncompress-range active)
6325 (gnus-list-of-unread-articles group))
6326 (cdr (assq 'dormant marked)))
6327 (cdr (assq 'tick marked))))))
6329 ;; Various summary commands
6331 (defun gnus-summary-select-article-buffer ()
6332 "Reconfigure windows to show article buffer."
6334 (if (not (gnus-buffer-live-p gnus-article-buffer))
6335 (error "There is no article buffer for this summary buffer")
6336 (gnus-configure-windows 'article)
6337 (select-window (get-buffer-window gnus-article-buffer))))
6339 (defun gnus-summary-universal-argument (arg)
6340 "Perform any operation on all articles that are process/prefixed."
6342 (let ((articles (gnus-summary-work-articles arg))
6349 (substitute-command-keys
6350 "\\<gnus-summary-mode-map>\\[gnus-summary-universal-argument]"))))
6352 (gnus-error 1 "Undefined key")
6355 (gnus-summary-goto-subject (setq article (pop articles)))
6356 (let (gnus-newsgroup-processable)
6357 (command-execute func))
6358 (gnus-summary-remove-process-mark article)))))
6359 (gnus-summary-position-point))
6361 (defun gnus-summary-toggle-truncation (&optional arg)
6362 "Toggle truncation of summary lines.
6363 With ARG, turn line truncation on if ARG is positive."
6365 (setq truncate-lines
6366 (if (null arg) (not truncate-lines)
6367 (> (prefix-numeric-value arg) 0)))
6370 (defun gnus-summary-find-for-reselect ()
6371 "Return the number of an article to stay on across a reselect.
6372 The current article is considered, then following articles, then previous
6373 articles. An article is sought which is not cancelled and isn't a temporary
6374 insertion from another group. If there's no such then return a dummy 0."
6376 (dolist (rev '(nil t))
6377 (unless found ; don't demand the reverse list if we don't need it
6378 (let ((data (gnus-data-find-list
6379 (gnus-summary-article-number) (gnus-data-list rev))))
6380 (while (and data (not found))
6381 (if (and (< 0 (gnus-data-number (car data)))
6382 (not (eq gnus-canceled-mark (gnus-data-mark (car data)))))
6383 (setq found (gnus-data-number (car data))))
6384 (setq data (cdr data))))))
6387 (defun gnus-summary-reselect-current-group (&optional all rescan)
6388 "Exit and then reselect the current newsgroup.
6389 The prefix argument ALL means to select all articles."
6391 (when (gnus-ephemeral-group-p gnus-newsgroup-name)
6392 (error "Ephemeral groups can't be reselected"))
6393 (let ((current-subject (gnus-summary-find-for-reselect))
6394 (group gnus-newsgroup-name))
6395 (setq gnus-newsgroup-begin nil)
6396 (gnus-summary-exit nil 'leave-hidden)
6397 ;; We have to adjust the point of group mode buffer because
6398 ;; point was moved to the next unread newsgroup by exiting.
6399 (gnus-summary-jump-to-group group)
6402 (gnus-group-get-new-news-this-group 1)))
6403 (gnus-group-read-group all t)
6404 (gnus-summary-goto-subject current-subject nil t)))
6406 (defun gnus-summary-rescan-group (&optional all)
6407 "Exit the newsgroup, ask for new articles, and select the newsgroup."
6409 (gnus-summary-reselect-current-group all t))
6411 (defun gnus-summary-update-info (&optional non-destructive)
6413 (let ((group gnus-newsgroup-name))
6415 (when gnus-newsgroup-kill-headers
6416 (setq gnus-newsgroup-killed
6417 (gnus-compress-sequence
6419 (gnus-list-range-intersection
6420 gnus-newsgroup-unselected gnus-newsgroup-killed)
6421 gnus-newsgroup-unreads)
6423 (unless (listp (cdr gnus-newsgroup-killed))
6424 (setq gnus-newsgroup-killed (list gnus-newsgroup-killed)))
6425 (let ((headers gnus-newsgroup-headers))
6426 ;; Set the new ranges of read articles.
6428 (set-buffer gnus-group-buffer)
6429 (gnus-undo-force-boundary))
6430 (gnus-update-read-articles
6431 group (gnus-sorted-union
6432 gnus-newsgroup-unreads gnus-newsgroup-unselected))
6433 ;; Set the current article marks.
6434 (let ((gnus-newsgroup-scored
6435 (if (and (not gnus-save-score)
6436 (not non-destructive))
6438 gnus-newsgroup-scored)))
6440 (gnus-update-marks)))
6441 ;; Do the cross-ref thing.
6442 (when gnus-use-cross-reference
6443 (gnus-mark-xrefs-as-read group headers gnus-newsgroup-unreads))
6444 ;; Do not switch windows but change the buffer to work.
6445 (set-buffer gnus-group-buffer)
6446 (unless (gnus-ephemeral-group-p group)
6447 (gnus-group-update-group group)))))))
6449 (defun gnus-summary-save-newsrc (&optional force)
6450 "Save the current number of read/marked articles in the dribble buffer.
6451 The dribble buffer will then be saved.
6452 If FORCE (the prefix), also save the .newsrc file(s)."
6454 (gnus-summary-update-info t)
6456 (gnus-save-newsrc-file)
6457 (gnus-dribble-save)))
6459 (defun gnus-summary-exit (&optional temporary leave-hidden)
6460 "Exit reading current newsgroup, and then return to group selection mode.
6461 `gnus-exit-group-hook' is called with no arguments if that value is non-nil."
6463 (gnus-set-global-variables)
6464 (when (gnus-buffer-live-p gnus-article-buffer)
6466 (set-buffer gnus-article-buffer)
6467 (mm-destroy-parts gnus-article-mime-handles)
6468 ;; Set it to nil for safety reason.
6469 (setq gnus-article-mime-handle-alist nil)
6470 (setq gnus-article-mime-handles nil)))
6471 (gnus-kill-save-kill-buffer)
6472 (gnus-async-halt-prefetch)
6473 (let* ((group gnus-newsgroup-name)
6474 (quit-config (gnus-group-quit-config gnus-newsgroup-name))
6475 (gnus-group-is-exiting-p t)
6478 (buf (current-buffer)))
6480 ;; Do adaptive scoring, and possibly save score files.
6481 (when gnus-newsgroup-adaptive
6482 (gnus-score-adaptive))
6483 (when gnus-use-scoring
6485 (gnus-run-hooks 'gnus-summary-prepare-exit-hook)
6486 ;; If we have several article buffers, we kill them at exit.
6487 (unless gnus-single-article-buffer
6488 (gnus-kill-buffer gnus-original-article-buffer)
6489 (setq gnus-article-current nil))
6490 (when gnus-use-cache
6491 (gnus-cache-possibly-remove-articles)
6492 (gnus-cache-save-buffers))
6493 (gnus-async-prefetch-remove-group group)
6494 (when gnus-suppress-duplicates
6495 (gnus-dup-enter-articles))
6496 (when gnus-use-trees
6497 (gnus-tree-close group))
6498 (when gnus-use-cache
6499 (gnus-cache-write-active))
6500 ;; Remove entries for this group.
6501 (nnmail-purge-split-history (gnus-group-real-name group))
6502 ;; Make all changes in this group permanent.
6504 (gnus-run-hooks 'gnus-exit-group-hook)
6505 (gnus-summary-update-info))
6506 (gnus-close-group group)
6507 ;; Make sure where we were, and go to next newsgroup.
6508 (set-buffer gnus-group-buffer)
6510 (gnus-group-jump-to-group group))
6511 (gnus-run-hooks 'gnus-summary-exit-hook)
6512 (unless (or quit-config
6513 ;; If this group has disappeared from the summary
6514 ;; buffer, don't skip forwards.
6515 (not (string= group (gnus-group-group-name))))
6516 (gnus-group-next-unread-group 1))
6517 (setq group-point (point))
6520 ;; If we have several article buffers, we kill them at exit.
6521 (unless gnus-single-article-buffer
6522 (gnus-kill-buffer gnus-article-buffer)
6523 (gnus-kill-buffer gnus-original-article-buffer)
6524 (setq gnus-article-current nil))
6526 (if (not gnus-kill-summary-on-exit)
6528 (gnus-deaden-summary)
6530 ;; We set all buffer-local variables to nil. It is unclear why
6531 ;; this is needed, but if we don't, buffer-local variables are
6532 ;; not garbage-collected, it seems. This would the lead to en
6533 ;; ever-growing Emacs.
6534 (gnus-summary-clear-local-variables)
6535 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
6536 (gnus-summary-clear-local-variables))
6537 (when (get-buffer gnus-article-buffer)
6538 (bury-buffer gnus-article-buffer))
6539 ;; We clear the global counterparts of the buffer-local
6540 ;; variables as well, just to be on the safe side.
6541 (set-buffer gnus-group-buffer)
6542 (gnus-summary-clear-local-variables)
6543 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
6544 (gnus-summary-clear-local-variables))
6545 ;; Return to group mode buffer.
6546 (when (eq mode 'gnus-summary-mode)
6547 (gnus-kill-buffer buf)))
6548 (setq gnus-current-select-method gnus-select-method)
6550 (set-buffer gnus-group-buffer)
6551 (pop-to-buffer gnus-group-buffer))
6552 (if (not quit-config)
6554 (goto-char group-point)
6555 (unless leave-hidden
6556 (gnus-configure-windows 'group 'force)))
6557 (gnus-handle-ephemeral-exit quit-config))
6558 ;; Clear the current group name.
6560 (setq gnus-newsgroup-name nil)))))
6562 (defalias 'gnus-summary-quit 'gnus-summary-exit-no-update)
6563 (defun gnus-summary-exit-no-update (&optional no-questions)
6564 "Quit reading current newsgroup without updating read article info."
6566 (let* ((group gnus-newsgroup-name)
6567 (gnus-group-is-exiting-p t)
6568 (gnus-group-is-exiting-without-update-p t)
6569 (quit-config (gnus-group-quit-config group)))
6570 (when (or no-questions
6572 (gnus-y-or-n-p "Discard changes to this group and exit? "))
6573 (gnus-async-halt-prefetch)
6574 (run-hooks 'gnus-summary-prepare-exit-hook)
6575 (when (gnus-buffer-live-p gnus-article-buffer)
6577 (set-buffer gnus-article-buffer)
6578 (mm-destroy-parts gnus-article-mime-handles)
6579 ;; Set it to nil for safety reason.
6580 (setq gnus-article-mime-handle-alist nil)
6581 (setq gnus-article-mime-handles nil)))
6582 ;; If we have several article buffers, we kill them at exit.
6583 (unless gnus-single-article-buffer
6584 (gnus-kill-buffer gnus-article-buffer)
6585 (gnus-kill-buffer gnus-original-article-buffer)
6586 (setq gnus-article-current nil))
6587 (if (not gnus-kill-summary-on-exit)
6588 (gnus-deaden-summary)
6589 (gnus-close-group group)
6590 (gnus-summary-clear-local-variables)
6591 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
6592 (gnus-summary-clear-local-variables))
6593 (set-buffer gnus-group-buffer)
6594 (gnus-summary-clear-local-variables)
6595 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
6596 (gnus-summary-clear-local-variables))
6597 (gnus-kill-buffer gnus-summary-buffer))
6598 (unless gnus-single-article-buffer
6599 (setq gnus-article-current nil))
6600 (when gnus-use-trees
6601 (gnus-tree-close group))
6602 (gnus-async-prefetch-remove-group group)
6603 (when (get-buffer gnus-article-buffer)
6604 (bury-buffer gnus-article-buffer))
6605 ;; Return to the group buffer.
6606 (gnus-configure-windows 'group 'force)
6607 ;; Clear the current group name.
6608 (setq gnus-newsgroup-name nil)
6609 (unless (gnus-ephemeral-group-p group)
6610 (gnus-group-update-group group))
6611 (when (equal (gnus-group-group-name) group)
6612 (gnus-group-next-unread-group 1))
6614 (gnus-handle-ephemeral-exit quit-config)))))
6616 (defun gnus-handle-ephemeral-exit (quit-config)
6617 "Handle movement when leaving an ephemeral group.
6618 The state which existed when entering the ephemeral is reset."
6619 (if (not (buffer-name (car quit-config)))
6620 (gnus-configure-windows 'group 'force)
6621 (set-buffer (car quit-config))
6622 (cond ((eq major-mode 'gnus-summary-mode)
6623 (gnus-set-global-variables))
6624 ((eq major-mode 'gnus-article-mode)
6626 ;; The `gnus-summary-buffer' variable may point
6627 ;; to the old summary buffer when using a single
6629 (unless (gnus-buffer-live-p gnus-summary-buffer)
6630 (set-buffer gnus-group-buffer))
6631 (set-buffer gnus-summary-buffer)
6632 (gnus-set-global-variables))))
6633 (if (or (eq (cdr quit-config) 'article)
6634 (eq (cdr quit-config) 'pick))
6636 ;; The current article may be from the ephemeral group
6637 ;; thus it is best that we reload this article
6639 ;; If we're exiting from a large digest, this can be
6640 ;; extremely slow. So, it's better not to reload it. -- jh.
6641 ;;(gnus-summary-show-article)
6642 (if (and (boundp 'gnus-pick-mode) (symbol-value 'gnus-pick-mode))
6643 (gnus-configure-windows 'pick 'force)
6644 (gnus-configure-windows (cdr quit-config) 'force)))
6645 (gnus-configure-windows (cdr quit-config) 'force))
6646 (when (eq major-mode 'gnus-summary-mode)
6647 (gnus-summary-next-subject 1 nil t)
6648 (gnus-summary-recenter)
6649 (gnus-summary-position-point))))
6653 (defvar gnus-dead-summary-mode-map nil)
6655 (unless gnus-dead-summary-mode-map
6656 (setq gnus-dead-summary-mode-map (make-keymap))
6657 (suppress-keymap gnus-dead-summary-mode-map)
6658 (substitute-key-definition
6659 'undefined 'gnus-summary-wake-up-the-dead gnus-dead-summary-mode-map)
6660 (dolist (key '("\C-d" "\r" "\177" [delete]))
6661 (define-key gnus-dead-summary-mode-map
6662 key 'gnus-summary-wake-up-the-dead))
6663 (dolist (key '("q" "Q"))
6664 (define-key gnus-dead-summary-mode-map key 'bury-buffer)))
6666 (defvar gnus-dead-summary-mode nil
6667 "Minor mode for Gnus summary buffers.")
6669 (defun gnus-dead-summary-mode (&optional arg)
6670 "Minor mode for Gnus summary buffers."
6672 (when (eq major-mode 'gnus-summary-mode)
6673 (make-local-variable 'gnus-dead-summary-mode)
6674 (setq gnus-dead-summary-mode
6675 (if (null arg) (not gnus-dead-summary-mode)
6676 (> (prefix-numeric-value arg) 0)))
6677 (when gnus-dead-summary-mode
6678 (gnus-add-minor-mode
6679 'gnus-dead-summary-mode " Dead" gnus-dead-summary-mode-map))))
6681 (defun gnus-deaden-summary ()
6682 "Make the current summary buffer into a dead summary buffer."
6683 ;; Kill any previous dead summary buffer.
6684 (when (and gnus-dead-summary
6685 (buffer-name gnus-dead-summary))
6687 (set-buffer gnus-dead-summary)
6688 (when gnus-dead-summary-mode
6689 (kill-buffer (current-buffer)))))
6690 ;; Make this the current dead summary.
6691 (setq gnus-dead-summary (current-buffer))
6692 (gnus-dead-summary-mode 1)
6693 (let ((name (buffer-name)))
6694 (when (string-match "Summary" name)
6696 (concat (substring name 0 (match-beginning 0)) "Dead "
6697 (substring name (match-beginning 0)))
6701 (defun gnus-kill-or-deaden-summary (buffer)
6702 "Kill or deaden the summary BUFFER."
6704 (when (and (buffer-name buffer)
6705 (not gnus-single-article-buffer))
6708 (gnus-kill-buffer gnus-article-buffer)
6709 (gnus-kill-buffer gnus-original-article-buffer)))
6712 (gnus-kill-summary-on-exit
6713 (when (and gnus-use-trees
6714 (gnus-buffer-exists-p buffer))
6717 (gnus-tree-close gnus-newsgroup-name)))
6718 (gnus-kill-buffer buffer))
6719 ;; Deaden the buffer.
6720 ((gnus-buffer-exists-p buffer)
6723 (gnus-deaden-summary))))))
6725 (defun gnus-summary-wake-up-the-dead (&rest args)
6726 "Wake up the dead summary buffer."
6728 (gnus-dead-summary-mode -1)
6729 (let ((name (buffer-name)))
6730 (when (string-match "Dead " name)
6732 (concat (substring name 0 (match-beginning 0))
6733 (substring name (match-end 0)))
6735 (gnus-message 3 "This dead summary is now alive again"))
6737 ;; Suggested by Andrew Eskilsson <pi92ae@pt.hk-r.se>.
6738 (defun gnus-summary-fetch-faq (&optional faq-dir)
6739 "Fetch the FAQ for the current group.
6740 If FAQ-DIR (the prefix), prompt for a directory to search for the faq
6744 (when current-prefix-arg
6746 "FAQ dir: " (and (listp gnus-group-faq-directory)
6747 (mapcar (lambda (file) (list file))
6748 gnus-group-faq-directory))))))
6749 (let (gnus-faq-buffer)
6750 (when (setq gnus-faq-buffer
6751 (gnus-group-fetch-faq gnus-newsgroup-name faq-dir))
6752 (gnus-configure-windows 'summary-faq))))
6754 ;; Suggested by Per Abrahamsen <amanda@iesd.auc.dk>.
6755 (defun gnus-summary-describe-group (&optional force)
6756 "Describe the current newsgroup."
6758 (gnus-group-describe-group force gnus-newsgroup-name))
6760 (defun gnus-summary-describe-briefly ()
6761 "Describe summary mode commands briefly."
6763 (gnus-message 6 (substitute-command-keys "\\<gnus-summary-mode-map>\\[gnus-summary-next-page]:Select \\[gnus-summary-next-unread-article]:Forward \\[gnus-summary-prev-unread-article]:Backward \\[gnus-summary-exit]:Exit \\[gnus-info-find-node]:Run Info \\[gnus-summary-describe-briefly]:This help")))
6765 ;; Walking around group mode buffer from summary mode.
6767 (defun gnus-summary-next-group (&optional no-article target-group backward)
6768 "Exit current newsgroup and then select next unread newsgroup.
6769 If prefix argument NO-ARTICLE is non-nil, no article is selected
6770 initially. If TARGET-GROUP, go to this group. If BACKWARD, go to
6771 previous group instead."
6773 ;; Stop pre-fetching.
6774 (gnus-async-halt-prefetch)
6775 (let ((current-group gnus-newsgroup-name)
6776 (current-buffer (current-buffer))
6778 ;; First we semi-exit this group to update Xrefs and all variables.
6779 ;; We can't do a real exit, because the window conf must remain
6780 ;; the same in case the user is prompted for info, and we don't
6781 ;; want the window conf to change before that...
6782 (gnus-summary-exit t)
6783 (while (not entered)
6784 ;; Then we find what group we are supposed to enter.
6785 (set-buffer gnus-group-buffer)
6786 (gnus-group-jump-to-group current-group)
6789 (if (eq gnus-keep-same-level 'best)
6790 (gnus-summary-best-group gnus-newsgroup-name)
6791 (gnus-summary-search-group backward gnus-keep-same-level))))
6792 (if (not target-group)
6793 ;; There are no further groups, so we return to the group
6796 (gnus-message 5 "Returning to the group buffer")
6798 (when (gnus-buffer-live-p current-buffer)
6799 (set-buffer current-buffer)
6800 (gnus-summary-exit))
6801 (gnus-run-hooks 'gnus-group-no-more-groups-hook))
6802 ;; We try to enter the target group.
6803 (gnus-group-jump-to-group target-group)
6804 (let ((unreads (gnus-group-group-unread)))
6805 (if (and (or (eq t unreads)
6806 (and unreads (not (zerop unreads))))
6807 (gnus-summary-read-group
6808 target-group nil no-article
6809 (and (buffer-name current-buffer) current-buffer)
6812 (setq current-group target-group
6813 target-group nil)))))))
6815 (defun gnus-summary-prev-group (&optional no-article)
6816 "Exit current newsgroup and then select previous unread newsgroup.
6817 If prefix argument NO-ARTICLE is non-nil, no article is selected initially."
6819 (gnus-summary-next-group no-article nil t))
6821 ;; Walking around summary lines.
6823 (defun gnus-summary-first-subject (&optional unread undownloaded unseen)
6824 "Go to the first subject satisfying any non-nil constraint.
6825 If UNREAD is non-nil, the article should be unread.
6826 If UNDOWNLOADED is non-nil, the article should be undownloaded.
6827 If UNSEEN is non-nil, the article should be unseen.
6828 Returns the article selected or nil if there are no matching articles."
6832 ((null gnus-newsgroup-data)
6833 (gnus-message 3 "No articles in the group")
6835 ;; Pick the first article.
6836 ((not (or unread undownloaded unseen))
6837 (goto-char (gnus-data-pos (car gnus-newsgroup-data)))
6838 (gnus-data-number (car gnus-newsgroup-data)))
6839 ;; Find the first unread article.
6841 (let ((data gnus-newsgroup-data))
6843 (let ((num (gnus-data-number (car data))))
6844 (or (memq num gnus-newsgroup-unfetched)
6845 (not (or (and unread
6846 (memq num gnus-newsgroup-unreads))
6848 (memq num gnus-newsgroup-undownloaded))
6850 (memq num gnus-newsgroup-unseen)))))))
6851 (setq data (cdr data)))
6855 (goto-char (gnus-data-pos (car data)))
6856 (gnus-data-number (car data)))
6857 (gnus-message 3 "No more%s articles"
6858 (let* ((r (when unread " unread"))
6859 (d (when undownloaded " undownloaded"))
6860 (s (when unseen " unseen"))
6861 (l (delq nil (list r d s))))
6862 (cond ((= 3 (length l))
6863 (concat r "," d ", or" s))
6865 (concat (car l) ", or" (cadr l)))
6872 (gnus-summary-position-point))))))
6874 (defun gnus-summary-next-subject (n &optional unread dont-display)
6875 "Go to next N'th summary line.
6876 If N is negative, go to the previous N'th subject line.
6877 If UNREAD is non-nil, only unread articles are selected.
6878 The difference between N and the actual number of steps taken is
6881 (let ((backward (< n 0))
6885 (gnus-summary-find-prev unread)
6886 (gnus-summary-find-next unread)))
6887 (unless (zerop (setq n (1- n)))
6888 (gnus-summary-show-thread)))
6890 (gnus-message 7 "No more%s articles"
6891 (if unread " unread" "")))
6892 (unless dont-display
6893 (gnus-summary-recenter)
6894 (gnus-summary-position-point))
6897 (defun gnus-summary-next-unread-subject (n)
6898 "Go to next N'th unread summary line."
6900 (gnus-summary-next-subject n t))
6902 (defun gnus-summary-prev-subject (n &optional unread)
6903 "Go to previous N'th summary line.
6904 If optional argument UNREAD is non-nil, only unread article is selected."
6906 (gnus-summary-next-subject (- n) unread))
6908 (defun gnus-summary-prev-unread-subject (n)
6909 "Go to previous N'th unread summary line."
6911 (gnus-summary-next-subject (- n) t))
6913 (defun gnus-summary-goto-subjects (articles)
6914 "Insert the subject header for ARTICLES in the current buffer."
6916 (dolist (article articles)
6917 (gnus-summary-goto-subject article t)))
6918 (gnus-summary-limit (append articles gnus-newsgroup-limit))
6919 (gnus-summary-position-point))
6921 (defun gnus-summary-goto-subject (article &optional force silent)
6922 "Go the subject line of ARTICLE.
6923 If FORCE, also allow jumping to articles not currently shown."
6924 (interactive "nArticle number: ")
6925 (unless (numberp article)
6926 (error "Article %s is not a number" article))
6928 (data (gnus-data-find article)))
6929 ;; We read in the article if we have to.
6932 (gnus-summary-insert-subject
6934 (if (or (numberp force) (vectorp force)) force)
6936 (setq data (gnus-data-find article)))
6941 (gnus-message 3 "Can't find article %d" article))
6943 (let ((pt (gnus-data-pos data)))
6945 (gnus-summary-set-article-display-arrow pt))
6946 (gnus-summary-position-point)
6949 ;; Walking around summary lines with displaying articles.
6951 (defun gnus-summary-expand-window (&optional arg)
6952 "Make the summary buffer take up the entire Emacs frame.
6953 Given a prefix, will force an `article' buffer configuration."
6956 (gnus-configure-windows 'article 'force)
6957 (gnus-configure-windows 'summary 'force)))
6959 (defun gnus-summary-display-article (article &optional all-header)
6960 "Display ARTICLE in article buffer."
6961 (when (gnus-buffer-live-p gnus-article-buffer)
6962 (with-current-buffer gnus-article-buffer
6963 (mm-enable-multibyte)))
6964 (gnus-set-global-variables)
6965 (when (gnus-buffer-live-p gnus-article-buffer)
6966 (with-current-buffer gnus-article-buffer
6967 (setq gnus-article-charset gnus-newsgroup-charset)
6968 (setq gnus-article-ignored-charsets gnus-newsgroup-ignored-charsets)
6969 (mm-enable-multibyte)))
6973 (if gnus-summary-display-article-function
6974 (funcall gnus-summary-display-article-function article all-header)
6975 (gnus-article-prepare article all-header))
6976 (gnus-run-hooks 'gnus-select-article-hook)
6977 (when (and gnus-current-article
6978 (not (zerop gnus-current-article)))
6979 (gnus-summary-goto-subject gnus-current-article))
6980 (gnus-summary-recenter)
6981 (when (and gnus-use-trees gnus-show-threads)
6982 (gnus-possibly-generate-tree article)
6983 (gnus-highlight-selected-tree article))
6984 ;; Successfully display article.
6985 (gnus-article-set-window-start
6986 (cdr (assq article gnus-newsgroup-bookmarks))))))
6988 (defun gnus-summary-select-article (&optional all-headers force pseudo article)
6989 "Select the current article.
6990 If ALL-HEADERS is non-nil, show all header fields. If FORCE is
6991 non-nil, the article will be re-fetched even if it already present in
6992 the article buffer. If PSEUDO is non-nil, pseudo-articles will also
6994 ;; Make sure we are in the summary buffer to work around bbdb bug.
6995 (unless (eq major-mode 'gnus-summary-mode)
6996 (set-buffer gnus-summary-buffer))
6997 (let ((article (or article (gnus-summary-article-number)))
6998 (all-headers (not (not all-headers))) ;Must be t or nil.
6999 gnus-summary-display-article-function)
7001 (gnus-summary-article-pseudo-p article)
7002 (error "This is a pseudo-article"))
7004 (set-buffer gnus-summary-buffer)
7005 (if (or (and gnus-single-article-buffer
7006 (or (null gnus-current-article)
7007 (null gnus-article-current)
7008 (null (get-buffer gnus-article-buffer))
7009 (not (eq article (cdr gnus-article-current)))
7010 (not (equal (car gnus-article-current)
7011 gnus-newsgroup-name))))
7012 (and (not gnus-single-article-buffer)
7013 (or (null gnus-current-article)
7014 (not (eq gnus-current-article article))))
7016 ;; The requested article is different from the current article.
7018 (gnus-summary-display-article article all-headers)
7019 (when (gnus-buffer-live-p gnus-article-buffer)
7020 (with-current-buffer gnus-article-buffer
7021 (if (not gnus-article-decoded-p) ;; a local variable
7022 (mm-disable-multibyte))))
7023 (gnus-article-set-window-start
7024 (cdr (assq article gnus-newsgroup-bookmarks)))
7028 (defun gnus-summary-force-verify-and-decrypt ()
7029 "Display buttons for signed/encrypted parts and verify/decrypt them."
7031 (let ((mm-verify-option 'known)
7032 (mm-decrypt-option 'known)
7033 (gnus-article-emulate-mime t)
7034 (gnus-buttonized-mime-types (append (list "multipart/signed"
7035 "multipart/encrypted")
7036 gnus-buttonized-mime-types)))
7037 (gnus-summary-select-article nil 'force)))
7039 (defun gnus-summary-set-current-mark (&optional current-mark)
7040 "Obsolete function."
7043 (defun gnus-summary-next-article (&optional unread subject backward push)
7044 "Select the next article.
7045 If UNREAD, only unread articles are selected.
7046 If SUBJECT, only articles with SUBJECT are selected.
7047 If BACKWARD, the previous article is selected instead of the next."
7050 ;; Is there such an article?
7051 ((and (gnus-summary-search-forward unread subject backward)
7052 (or (gnus-summary-display-article (gnus-summary-article-number))
7053 (eq (gnus-summary-article-mark) gnus-canceled-mark)))
7054 (gnus-summary-position-point))
7055 ;; If not, we try the first unread, if that is wanted.
7057 gnus-auto-select-same
7058 (gnus-summary-first-unread-article))
7059 (gnus-summary-position-point)
7060 (gnus-message 6 "Wrapped"))
7061 ;; Try to get next/previous article not displayed in this group.
7062 ((and gnus-auto-extend-newsgroup
7063 (not unread) (not subject))
7064 (gnus-summary-goto-article
7065 (if backward (1- gnus-newsgroup-begin) (1+ gnus-newsgroup-end))
7066 nil (count-lines (point-min) (point))))
7067 ;; Go to next/previous group.
7069 (unless (gnus-ephemeral-group-p gnus-newsgroup-name)
7070 (gnus-summary-jump-to-group gnus-newsgroup-name))
7071 (let ((cmd last-command-char)
7074 (set-buffer gnus-group-buffer)
7077 (if (eq gnus-keep-same-level 'best)
7078 (gnus-summary-best-group gnus-newsgroup-name)
7079 (gnus-summary-search-group backward gnus-keep-same-level))))
7080 ;; For some reason, the group window gets selected. We change
7082 (select-window (get-buffer-window (current-buffer)))
7083 ;; Select next unread newsgroup automagically.
7085 ((or (not gnus-auto-select-next)
7087 (gnus-message 7 "No more%s articles" (if unread " unread" "")))
7088 ((or (eq gnus-auto-select-next 'quietly)
7089 (and (eq gnus-auto-select-next 'slightly-quietly)
7091 (and (eq gnus-auto-select-next 'almost-quietly)
7092 (gnus-summary-last-article-p)))
7094 (if (gnus-ephemeral-group-p gnus-newsgroup-name)
7096 (gnus-message 7 "No more%s articles (%s)..."
7097 (if unread " unread" "")
7098 (if group (concat "selecting " group)
7100 (gnus-summary-next-group nil group backward)))
7102 (when (gnus-key-press-event-p last-input-event)
7103 (gnus-summary-walk-group-buffer
7104 gnus-newsgroup-name cmd unread backward point))))))))
7106 (defun gnus-summary-walk-group-buffer (from-group cmd unread backward start)
7107 (let ((keystrokes '((?\C-n (gnus-group-next-unread-group 1))
7108 (?\C-p (gnus-group-prev-unread-group 1))))
7109 (cursor-in-echo-area t)
7110 keve key group ended prompt)
7112 (set-buffer gnus-group-buffer)
7115 (if (eq gnus-keep-same-level 'best)
7116 (gnus-summary-best-group gnus-newsgroup-name)
7117 (gnus-summary-search-group backward gnus-keep-same-level))))
7121 "No more%s articles%s " (if unread " unread" "")
7123 (not (gnus-ephemeral-group-p gnus-newsgroup-name)))
7124 (format " (Type %s for %s [%s])"
7125 (single-key-description cmd) group
7126 (car (gnus-gethash group gnus-newsrc-hashtb)))
7127 (format " (Type %s to exit %s)"
7128 (single-key-description cmd)
7129 gnus-newsgroup-name))))
7130 ;; Confirm auto selection.
7131 (setq key (car (setq keve (gnus-read-event-char prompt)))
7134 ((assq key keystrokes)
7135 (let ((obuf (current-buffer)))
7136 (switch-to-buffer gnus-group-buffer)
7138 (gnus-group-jump-to-group group))
7139 (eval (cadr (assq key keystrokes)))
7140 (setq group (gnus-group-group-name))
7141 (switch-to-buffer obuf))
7145 (gnus-ephemeral-group-p gnus-newsgroup-name))
7147 (gnus-summary-next-group nil group backward)))
7149 (push (cdr keve) unread-command-events))))))
7151 (defun gnus-summary-next-unread-article ()
7152 "Select unread article after current one."
7154 (gnus-summary-next-article
7155 (or (not (eq gnus-summary-goto-unread 'never))
7156 (gnus-summary-last-article-p (gnus-summary-article-number)))
7157 (and gnus-auto-select-same
7158 (gnus-summary-article-subject))))
7160 (defun gnus-summary-prev-article (&optional unread subject)
7161 "Select the article after the current one.
7162 If UNREAD is non-nil, only unread articles are selected."
7164 (gnus-summary-next-article unread subject t))
7166 (defun gnus-summary-prev-unread-article ()
7167 "Select unread article before current one."
7169 (gnus-summary-prev-article
7170 (or (not (eq gnus-summary-goto-unread 'never))
7171 (gnus-summary-first-article-p (gnus-summary-article-number)))
7172 (and gnus-auto-select-same
7173 (gnus-summary-article-subject))))
7175 (defun gnus-summary-next-page (&optional lines circular stop)
7176 "Show next page of the selected article.
7177 If at the end of the current article, select the next article.
7178 LINES says how many lines should be scrolled up.
7180 If CIRCULAR is non-nil, go to the start of the article instead of
7181 selecting the next article when reaching the end of the current
7184 If STOP is non-nil, just stop when reaching the end of the message.
7186 Also see the variable `gnus-article-skip-boring'."
7188 (setq gnus-summary-buffer (current-buffer))
7189 (gnus-set-global-variables)
7190 (let ((article (gnus-summary-article-number))
7191 (article-window (get-buffer-window gnus-article-buffer t))
7193 ;; If the buffer is empty, we have no article.
7195 (error "No article to select"))
7196 (gnus-configure-windows 'article)
7197 (if (eq (cdr (assq article gnus-newsgroup-reads)) gnus-canceled-mark)
7198 (if (and (eq gnus-summary-goto-unread 'never)
7199 (not (gnus-summary-last-article-p article)))
7200 (gnus-summary-next-article)
7201 (gnus-summary-next-unread-article))
7202 (if (or (null gnus-current-article)
7203 (null gnus-article-current)
7204 (/= article (cdr gnus-article-current))
7205 (not (equal (car gnus-article-current) gnus-newsgroup-name)))
7206 ;; Selected subject is different from current article's.
7207 (gnus-summary-display-article article)
7208 (when article-window
7209 (gnus-eval-in-buffer-window gnus-article-buffer
7210 (setq endp (or (gnus-article-next-page lines)
7211 (gnus-article-only-boring-p))))
7214 (gnus-message 3 "End of message"))
7216 (gnus-summary-beginning-of-article))
7218 (gnus-message 3 "End of message"))
7220 (if (and (eq gnus-summary-goto-unread 'never)
7221 (not (gnus-summary-last-article-p article)))
7222 (gnus-summary-next-article)
7223 (gnus-summary-next-unread-article))))))))
7224 (gnus-summary-recenter)
7225 (gnus-summary-position-point)))
7227 (defun gnus-summary-prev-page (&optional lines move)
7228 "Show previous page of selected article.
7229 Argument LINES specifies lines to be scrolled down.
7230 If MOVE, move to the previous unread article if point is at
7231 the beginning of the buffer."
7233 (let ((article (gnus-summary-article-number))
7234 (article-window (get-buffer-window gnus-article-buffer t))
7236 (gnus-configure-windows 'article)
7237 (if (or (null gnus-current-article)
7238 (null gnus-article-current)
7239 (/= article (cdr gnus-article-current))
7240 (not (equal (car gnus-article-current) gnus-newsgroup-name)))
7241 ;; Selected subject is different from current article's.
7242 (gnus-summary-display-article article)
7243 (gnus-summary-recenter)
7244 (when article-window
7245 (gnus-eval-in-buffer-window gnus-article-buffer
7246 (setq endp (gnus-article-prev-page lines)))
7247 (when (and move endp)
7249 (gnus-message 3 "Beginning of message"))
7251 (if (and (eq gnus-summary-goto-unread 'never)
7252 (not (gnus-summary-first-article-p article)))
7253 (gnus-summary-prev-article)
7254 (gnus-summary-prev-unread-article))))))))
7255 (gnus-summary-position-point))
7257 (defun gnus-summary-prev-page-or-article (&optional lines)
7258 "Show previous page of selected article.
7259 Argument LINES specifies lines to be scrolled down.
7260 If at the beginning of the article, go to the next article."
7262 (gnus-summary-prev-page lines t))
7264 (defun gnus-summary-scroll-up (lines)
7265 "Scroll up (or down) one line current article.
7266 Argument LINES specifies lines to be scrolled up (or down if negative)."
7268 (gnus-configure-windows 'article)
7269 (gnus-summary-show-thread)
7270 (when (eq (gnus-summary-select-article nil nil 'pseudo) 'old)
7271 (gnus-eval-in-buffer-window gnus-article-buffer
7273 (when (gnus-article-next-page lines)
7274 (gnus-message 3 "End of message")))
7276 (gnus-article-prev-page (- lines))))))
7277 (gnus-summary-recenter)
7278 (gnus-summary-position-point))
7280 (defun gnus-summary-scroll-down (lines)
7281 "Scroll down (or up) one line current article.
7282 Argument LINES specifies lines to be scrolled down (or up if negative)."
7284 (gnus-summary-scroll-up (- lines)))
7286 (defun gnus-summary-next-same-subject ()
7287 "Select next article which has the same subject as current one."
7289 (gnus-summary-next-article nil (gnus-summary-article-subject)))
7291 (defun gnus-summary-prev-same-subject ()
7292 "Select previous article which has the same subject as current one."
7294 (gnus-summary-prev-article nil (gnus-summary-article-subject)))
7296 (defun gnus-summary-next-unread-same-subject ()
7297 "Select next unread article which has the same subject as current one."
7299 (gnus-summary-next-article t (gnus-summary-article-subject)))
7301 (defun gnus-summary-prev-unread-same-subject ()
7302 "Select previous unread article which has the same subject as current one."
7304 (gnus-summary-prev-article t (gnus-summary-article-subject)))
7306 (defun gnus-summary-first-unread-article ()
7307 "Select the first unread article.
7308 Return nil if there are no unread articles."
7311 (when (gnus-summary-first-subject t)
7312 (gnus-summary-show-thread)
7313 (gnus-summary-first-subject t)
7314 (gnus-summary-display-article (gnus-summary-article-number)))
7315 (gnus-summary-position-point)))
7317 (defun gnus-summary-first-unread-subject ()
7318 "Place the point on the subject line of the first unread article.
7319 Return nil if there are no unread articles."
7322 (when (gnus-summary-first-subject t)
7323 (gnus-summary-show-thread)
7324 (gnus-summary-first-subject t))
7325 (gnus-summary-position-point)))
7327 (defun gnus-summary-first-unseen-subject ()
7328 "Place the point on the subject line of the first unseen article.
7329 Return nil if there are no unseen articles."
7332 (when (gnus-summary-first-subject nil nil t)
7333 (gnus-summary-show-thread)
7334 (gnus-summary-first-subject nil nil t))
7335 (gnus-summary-position-point)))
7337 (defun gnus-summary-first-unseen-or-unread-subject ()
7338 "Place the point on the subject line of the first unseen article or,
7339 if all article have been seen, on the subject line of the first unread
7343 (unless (when (gnus-summary-first-subject nil nil t)
7344 (gnus-summary-show-thread)
7345 (gnus-summary-first-subject nil nil t))
7346 (when (gnus-summary-first-subject t)
7347 (gnus-summary-show-thread)
7348 (gnus-summary-first-subject t)))
7349 (gnus-summary-position-point)))
7351 (defun gnus-summary-first-article ()
7352 "Select the first article.
7353 Return nil if there are no articles."
7356 (when (gnus-summary-first-subject)
7357 (gnus-summary-show-thread)
7358 (gnus-summary-first-subject)
7359 (gnus-summary-display-article (gnus-summary-article-number)))
7360 (gnus-summary-position-point)))
7362 (defun gnus-summary-best-unread-article (&optional arg)
7363 "Select the unread article with the highest score.
7364 If given a prefix argument, select the next unread article that has a
7365 score higher than the default score."
7367 (let ((article (if arg
7368 (gnus-summary-better-unread-subject)
7369 (gnus-summary-best-unread-subject))))
7371 (gnus-summary-goto-article article)
7372 (error "No unread articles"))))
7374 (defun gnus-summary-best-unread-subject ()
7375 "Select the unread subject with the highest score."
7377 (let ((best -1000000)
7378 (data gnus-newsgroup-data)
7381 (and (gnus-data-unread-p (car data))
7383 (gnus-summary-article-score (gnus-data-number (car data))))
7386 article (gnus-data-number (car data))))
7387 (setq data (cdr data)))
7389 (gnus-summary-goto-subject article))
7390 (gnus-summary-position-point)
7393 (defun gnus-summary-better-unread-subject ()
7394 "Select the first unread subject that has a score over the default score."
7396 (let ((data gnus-newsgroup-data)
7398 (while (and (setq article (gnus-data-number (car data)))
7399 (or (gnus-data-read-p (car data))
7400 (not (> (gnus-summary-article-score article)
7401 gnus-summary-default-score))))
7402 (setq data (cdr data)))
7404 (gnus-summary-goto-subject article))
7405 (gnus-summary-position-point)
7408 (defun gnus-summary-last-subject ()
7409 "Go to the last displayed subject line in the group."
7410 (let ((article (gnus-data-number (car (gnus-data-list t)))))
7412 (gnus-summary-goto-subject article))))
7414 (defun gnus-summary-goto-article (article &optional all-headers force)
7415 "Fetch ARTICLE (article number or Message-ID) and display it if it exists.
7416 If ALL-HEADERS is non-nil, no header lines are hidden.
7417 If FORCE, go to the article even if it isn't displayed. If FORCE
7418 is a number, it is the line the article is to be displayed on."
7422 "Article number or Message-ID: "
7423 (mapcar (lambda (number) (list (int-to-string number)))
7424 gnus-newsgroup-limit))
7428 (if (and (stringp article)
7429 (string-match "@" article))
7430 (gnus-summary-refer-article article)
7431 (when (stringp article)
7432 (setq article (string-to-number article)))
7433 (if (gnus-summary-goto-subject article force)
7434 (gnus-summary-display-article article all-headers)
7435 (gnus-message 4 "Couldn't go to article %s" article) nil))
7436 (gnus-summary-position-point)))
7438 (defun gnus-summary-goto-last-article ()
7439 "Go to the previously read article."
7442 (when gnus-last-article
7443 (gnus-summary-goto-article gnus-last-article nil t))
7444 (gnus-summary-position-point)))
7446 (defun gnus-summary-pop-article (number)
7447 "Pop one article off the history and go to the previous.
7448 NUMBER articles will be popped off."
7451 (setq gnus-newsgroup-history
7452 (cdr (setq to (nthcdr number gnus-newsgroup-history))))
7454 (gnus-summary-goto-article (car to) nil t)
7455 (error "Article history empty")))
7456 (gnus-summary-position-point))
7458 ;; Summary commands and functions for limiting the summary buffer.
7460 (defun gnus-summary-limit-to-articles (n)
7461 "Limit the summary buffer to the next N articles.
7462 If not given a prefix, use the process marked articles instead."
7465 (let ((articles (gnus-summary-work-articles n)))
7466 (setq gnus-newsgroup-processable nil)
7467 (gnus-summary-limit articles))
7468 (gnus-summary-position-point)))
7470 (defun gnus-summary-pop-limit (&optional total)
7471 "Restore the previous limit.
7472 If given a prefix, remove all limits."
7475 (setq gnus-newsgroup-limits
7476 (list (mapcar (lambda (h) (mail-header-number h))
7477 gnus-newsgroup-headers))))
7478 (unless gnus-newsgroup-limits
7479 (error "No limit to pop"))
7481 (gnus-summary-limit nil 'pop)
7482 (gnus-summary-position-point)))
7484 (defun gnus-summary-limit-to-subject (subject &optional header not-matching)
7485 "Limit the summary buffer to articles that have subjects that match a regexp.
7486 If NOT-MATCHING, excluding articles that have subjects that match a regexp."
7488 (list (read-string (if current-prefix-arg
7489 "Exclude subject (regexp): "
7490 "Limit to subject (regexp): "))
7491 nil current-prefix-arg))
7493 (setq header "subject"))
7494 (when (not (equal "" subject))
7496 (let ((articles (gnus-summary-find-matching
7497 (or header "subject") subject 'all nil nil
7500 (error "Found no matches for \"%s\"" subject))
7501 (gnus-summary-limit articles))
7502 (gnus-summary-position-point))))
7504 (defun gnus-summary-limit-to-author (from &optional not-matching)
7505 "Limit the summary buffer to articles that have authors that match a regexp.
7506 If NOT-MATCHING, excluding articles that have authors that match a regexp."
7508 (list (read-string (if current-prefix-arg
7509 "Exclude author (regexp): "
7510 "Limit to author (regexp): "))
7511 current-prefix-arg))
7512 (gnus-summary-limit-to-subject from "from" not-matching))
7514 (defun gnus-summary-limit-to-age (age &optional younger-p)
7515 "Limit the summary buffer to articles that are older than (or equal) AGE days.
7516 If YOUNGER-P (the prefix) is non-nil, limit the summary buffer to
7517 articles that are younger than AGE days."
7519 (let ((younger current-prefix-arg)
7522 (while (not days-got)
7523 (setq days (if younger
7524 (read-string "Limit to articles younger than (in days, older when negative): ")
7526 "Limit to articles older than (in days, younger when negative): ")))
7527 (when (> (length days) 0)
7528 (setq days (read days)))
7534 (setq younger (not younger))
7535 (setq days (* days -1)))))
7536 (message "Please enter a number.")
7538 (list days younger)))
7540 (let ((data gnus-newsgroup-data)
7541 (cutoff (days-to-time age))
7542 articles d date is-younger)
7543 (while (setq d (pop data))
7544 (when (and (vectorp (gnus-data-header d))
7545 (setq date (mail-header-date (gnus-data-header d))))
7546 (setq is-younger (time-less-p
7547 (time-since (condition-case ()
7554 (push (gnus-data-number d) articles))))
7555 (gnus-summary-limit (nreverse articles)))
7556 (gnus-summary-position-point)))
7558 (defun gnus-summary-limit-to-extra (header regexp &optional not-matching)
7559 "Limit the summary buffer to articles that match an 'extra' header."
7563 (gnus-completing-read-with-default
7564 (symbol-name (car gnus-extra-headers))
7565 (if current-prefix-arg
7566 "Exclude extra header:"
7567 "Limit extra header:")
7569 (cons (symbol-name x) x))
7574 (read-string (format "%s header %s (regexp): "
7575 (if current-prefix-arg "Exclude" "Limit to")
7577 current-prefix-arg)))
7578 (when (not (equal "" regexp))
7580 (let ((articles (gnus-summary-find-matching
7581 (cons 'extra header) regexp 'all nil nil
7584 (error "Found no matches for \"%s\"" regexp))
7585 (gnus-summary-limit articles))
7586 (gnus-summary-position-point))))
7588 (defun gnus-summary-limit-to-display-predicate ()
7589 "Limit the summary buffer to the predicated in the `display' group parameter."
7591 (unless gnus-newsgroup-display
7592 (error "There is no `display' group parameter"))
7594 (dolist (number gnus-newsgroup-articles)
7595 (when (funcall gnus-newsgroup-display)
7596 (push number articles)))
7597 (gnus-summary-limit articles))
7598 (gnus-summary-position-point))
7600 (defalias 'gnus-summary-delete-marked-as-read 'gnus-summary-limit-to-unread)
7602 'gnus-summary-delete-marked-as-read 'gnus-summary-limit-to-unread)
7604 (defun gnus-summary-limit-to-unread (&optional all)
7605 "Limit the summary buffer to articles that are not marked as read.
7606 If ALL is non-nil, limit strictly to unread articles."
7609 (gnus-summary-limit-to-marks (char-to-string gnus-unread-mark))
7610 (gnus-summary-limit-to-marks
7611 ;; Concat all the marks that say that an article is read and have
7613 (list gnus-del-mark gnus-read-mark gnus-ancient-mark
7614 gnus-killed-mark gnus-spam-mark gnus-kill-file-mark
7615 gnus-low-score-mark gnus-expirable-mark
7616 gnus-canceled-mark gnus-catchup-mark gnus-sparse-mark
7617 gnus-duplicate-mark gnus-souped-mark)
7620 (defalias 'gnus-summary-delete-marked-with 'gnus-summary-limit-exclude-marks)
7621 (make-obsolete 'gnus-summary-delete-marked-with
7622 'gnus-summary-limit-exclude-marks)
7624 (defun gnus-summary-limit-exclude-marks (marks &optional reverse)
7625 "Exclude articles that are marked with MARKS (e.g. \"DK\").
7626 If REVERSE, limit the summary buffer to articles that are marked
7627 with MARKS. MARKS can either be a string of marks or a list of marks.
7628 Returns how many articles were removed."
7629 (interactive "sMarks: ")
7630 (gnus-summary-limit-to-marks marks t))
7632 (defun gnus-summary-limit-to-marks (marks &optional reverse)
7633 "Limit the summary buffer to articles that are marked with MARKS (e.g. \"DK\").
7634 If REVERSE (the prefix), limit the summary buffer to articles that are
7635 not marked with MARKS. MARKS can either be a string of marks or a
7637 Returns how many articles were removed."
7638 (interactive "sMarks: \nP")
7640 (let ((data gnus-newsgroup-data)
7641 (marks (if (listp marks) marks
7642 (append marks nil))) ; Transform to list.
7645 (when (if reverse (not (memq (gnus-data-mark (car data)) marks))
7646 (memq (gnus-data-mark (car data)) marks))
7647 (push (gnus-data-number (car data)) articles))
7648 (setq data (cdr data)))
7649 (gnus-summary-limit articles))
7650 (gnus-summary-position-point)))
7652 (defun gnus-summary-limit-to-score (score)
7653 "Limit to articles with score at or above SCORE."
7654 (interactive "NLimit to articles with score of at least: ")
7655 (let ((data gnus-newsgroup-data)
7658 (when (>= (gnus-summary-article-score (gnus-data-number (car data)))
7660 (push (gnus-data-number (car data)) articles))
7661 (setq data (cdr data)))
7663 (gnus-summary-limit articles)
7664 (gnus-summary-position-point))))
7666 (defun gnus-summary-limit-to-unseen ()
7667 "Limit to unseen articles."
7670 (gnus-summary-limit gnus-newsgroup-unseen)
7671 (gnus-summary-position-point)))
7673 (defun gnus-summary-limit-include-thread (id)
7674 "Display all the hidden articles that is in the thread with ID in it.
7675 When called interactively, ID is the Message-ID of the current
7677 (interactive (list (mail-header-id (gnus-summary-article-header))))
7678 (let ((articles (gnus-articles-in-thread
7679 (gnus-id-to-thread (gnus-root-id id)))))
7681 (gnus-summary-limit (nconc articles gnus-newsgroup-limit))
7682 (gnus-summary-limit-include-matching-articles
7684 (regexp-quote (gnus-simplify-subject-re
7685 (mail-header-subject (gnus-id-to-header id)))))
7686 (gnus-summary-position-point))))
7688 (defun gnus-summary-limit-include-matching-articles (header regexp)
7689 "Display all the hidden articles that have HEADERs that match REGEXP."
7690 (interactive (list (read-string "Match on header: ")
7691 (read-string "Regexp: ")))
7692 (let ((articles (gnus-find-matching-articles header regexp)))
7694 (gnus-summary-limit (nconc articles gnus-newsgroup-limit))
7695 (gnus-summary-position-point))))
7697 (defun gnus-summary-insert-dormant-articles ()
7698 "Insert all the dormant articles for this group into the current buffer."
7700 (let ((gnus-verbose (max 6 gnus-verbose)))
7701 (if (not gnus-newsgroup-dormant)
7702 (gnus-message 3 "No cached articles for this group")
7703 (gnus-summary-goto-subjects gnus-newsgroup-dormant))))
7705 (defun gnus-summary-limit-include-dormant ()
7706 "Display all the hidden articles that are marked as dormant.
7707 Note that this command only works on a subset of the articles currently
7708 fetched for this group."
7710 (unless gnus-newsgroup-dormant
7711 (error "There are no dormant articles in this group"))
7713 (gnus-summary-limit (append gnus-newsgroup-dormant gnus-newsgroup-limit))
7714 (gnus-summary-position-point)))
7716 (defun gnus-summary-limit-exclude-dormant ()
7717 "Hide all dormant articles."
7720 (gnus-summary-limit-to-marks (list gnus-dormant-mark) 'reverse)
7721 (gnus-summary-position-point)))
7723 (defun gnus-summary-limit-exclude-childless-dormant ()
7724 "Hide all dormant articles that have no children."
7726 (let ((data (gnus-data-list t))
7727 articles d children)
7728 ;; Find all articles that are either not dormant or have
7730 (while (setq d (pop data))
7731 (when (or (not (= (gnus-data-mark d) gnus-dormant-mark))
7733 (gnus-article-children (gnus-data-number d)))
7736 (when (memq (car children) articles)
7741 (push (gnus-data-number d) articles)))
7744 (gnus-summary-limit articles)
7745 (gnus-summary-position-point))))
7747 (defun gnus-summary-limit-mark-excluded-as-read (&optional all)
7748 "Mark all unread excluded articles as read.
7749 If ALL, mark even excluded ticked and dormants as read."
7751 (setq gnus-newsgroup-limit (sort gnus-newsgroup-limit '<))
7752 (let ((articles (gnus-sorted-ndifference
7754 (mapcar (lambda (h) (mail-header-number h))
7755 gnus-newsgroup-headers)
7757 gnus-newsgroup-limit))
7759 (setq gnus-newsgroup-unreads
7760 (gnus-sorted-intersection gnus-newsgroup-unreads
7761 gnus-newsgroup-limit))
7763 (setq gnus-newsgroup-dormant nil
7764 gnus-newsgroup-marked nil
7765 gnus-newsgroup-reads
7767 (mapcar (lambda (n) (cons n gnus-catchup-mark)) articles)
7768 gnus-newsgroup-reads))
7769 (while (setq article (pop articles))
7770 (unless (or (memq article gnus-newsgroup-dormant)
7771 (memq article gnus-newsgroup-marked))
7772 (push (cons article gnus-catchup-mark) gnus-newsgroup-reads))))))
7774 (defun gnus-summary-limit (articles &optional pop)
7776 ;; We pop the previous limit off the stack and use that.
7777 (setq articles (car gnus-newsgroup-limits)
7778 gnus-newsgroup-limits (cdr gnus-newsgroup-limits))
7779 ;; We use the new limit, so we push the old limit on the stack.
7780 (push gnus-newsgroup-limit gnus-newsgroup-limits))
7782 (setq gnus-newsgroup-limit articles)
7783 (let ((total (length gnus-newsgroup-data))
7784 (data (gnus-data-find-list (gnus-summary-article-number)))
7785 (gnus-summary-mark-below nil) ; Inhibit this.
7787 ;; This will do all the work of generating the new summary buffer
7788 ;; according to the new limit.
7789 (gnus-summary-prepare)
7790 ;; Hide any threads, possibly.
7791 (gnus-summary-maybe-hide-threads)
7792 ;; Try to return to the article you were at, or one in the
7795 ;; We try to find some article after the current one.
7797 (when (gnus-summary-goto-subject (gnus-data-number (car data)) nil t)
7800 (setq data (cdr data))))
7802 ;; If there is no data, that means that we were after the last
7803 ;; article. The same goes when we can't find any articles
7804 ;; after the current one.
7805 (goto-char (point-max))
7806 (gnus-summary-find-prev))
7807 (gnus-set-mode-line 'summary)
7808 ;; We return how many articles were removed from the summary
7809 ;; buffer as a result of the new limit.
7810 (- total (length gnus-newsgroup-data))))
7812 (defsubst gnus-invisible-cut-children (threads)
7815 (when (memq (mail-header-number (caar threads)) gnus-newsgroup-limit)
7820 (defsubst gnus-cut-thread (thread)
7821 "Go forwards in the thread until we find an article that we want to display."
7822 (when (or (eq gnus-fetch-old-headers 'some)
7823 (eq gnus-fetch-old-headers 'invisible)
7824 (numberp gnus-fetch-old-headers)
7825 (eq gnus-build-sparse-threads 'some)
7826 (eq gnus-build-sparse-threads 'more))
7827 ;; Deal with old-fetched headers and sparse threads.
7831 (gnus-summary-article-sparse-p (mail-header-number (car thread)))
7832 (gnus-summary-article-ancient-p
7833 (mail-header-number (car thread))))
7834 (if (or (<= (length (cdr thread)) 1)
7835 (eq gnus-fetch-old-headers 'invisible))
7836 (setq gnus-newsgroup-limit
7837 (delq (mail-header-number (car thread))
7838 gnus-newsgroup-limit)
7839 thread (cadr thread))
7840 (when (gnus-invisible-cut-children (cdr thread))
7841 (let ((th (cdr thread)))
7843 (if (memq (mail-header-number (caar th))
7844 gnus-newsgroup-limit)
7845 (setq thread (car th)
7847 (setq th (cdr th))))))))))
7850 (defun gnus-cut-threads (threads)
7851 "Cut off all uninteresting articles from the beginning of THREADS."
7852 (when (or (eq gnus-fetch-old-headers 'some)
7853 (eq gnus-fetch-old-headers 'invisible)
7854 (numberp gnus-fetch-old-headers)
7855 (eq gnus-build-sparse-threads 'some)
7856 (eq gnus-build-sparse-threads 'more))
7859 (setcar th (gnus-cut-thread (car th)))
7860 (setq th (cdr th)))))
7861 ;; Remove nixed out threads.
7864 (defun gnus-summary-initial-limit (&optional show-if-empty)
7865 "Figure out what the initial limit is supposed to be on group entry.
7866 This entails weeding out unwanted dormants, low-scored articles,
7867 fetch-old-headers verbiage, and so on."
7868 ;; Most groups have nothing to remove.
7869 (if (or gnus-inhibit-limiting
7870 (and (null gnus-newsgroup-dormant)
7871 (eq gnus-newsgroup-display 'gnus-not-ignore)
7872 (not (eq gnus-fetch-old-headers 'some))
7873 (not (numberp gnus-fetch-old-headers))
7874 (not (eq gnus-fetch-old-headers 'invisible))
7875 (null gnus-summary-expunge-below)
7876 (not (eq gnus-build-sparse-threads 'some))
7877 (not (eq gnus-build-sparse-threads 'more))
7878 (null gnus-thread-expunge-below)
7879 (not gnus-use-nocem)))
7881 (push gnus-newsgroup-limit gnus-newsgroup-limits)
7882 (setq gnus-newsgroup-limit nil)
7885 (unless (car (symbol-value node))
7886 ;; These threads have no parents -- they are roots.
7887 (let ((nodes (cdr (symbol-value node)))
7890 (if (and gnus-thread-expunge-below
7891 (< (gnus-thread-total-score (car nodes))
7892 gnus-thread-expunge-below))
7893 (gnus-expunge-thread (pop nodes))
7894 (setq thread (pop nodes))
7895 (gnus-summary-limit-children thread))))))
7896 gnus-newsgroup-dependencies)
7897 ;; If this limitation resulted in an empty group, we might
7898 ;; pop the previous limit and use it instead.
7899 (when (and (not gnus-newsgroup-limit)
7901 (setq gnus-newsgroup-limit (pop gnus-newsgroup-limits)))
7902 gnus-newsgroup-limit))
7904 (defun gnus-summary-limit-children (thread)
7905 "Return 1 if this subthread is visible and 0 if it is not."
7906 ;; First we get the number of visible children to this thread. This
7907 ;; is done by recursing down the thread using this function, so this
7908 ;; will really go down to a leaf article first, before slowly
7909 ;; working its way up towards the root.
7911 (let* ((max-lisp-eval-depth 5000)
7914 (apply '+ (mapcar 'gnus-summary-limit-children
7917 (number (mail-header-number (car thread)))
7920 (not (memq number gnus-newsgroup-marked))
7922 ;; If this article is dormant and has absolutely no visible
7923 ;; children, then this article isn't visible.
7924 (and (memq number gnus-newsgroup-dormant)
7926 ;; If this is "fetch-old-headered" and there is no
7927 ;; visible children, then we don't want this article.
7928 (and (or (eq gnus-fetch-old-headers 'some)
7929 (numberp gnus-fetch-old-headers))
7930 (gnus-summary-article-ancient-p number)
7932 ;; If this is "fetch-old-headered" and `invisible', then
7933 ;; we don't want this article.
7934 (and (eq gnus-fetch-old-headers 'invisible)
7935 (gnus-summary-article-ancient-p number))
7936 ;; If this is a sparsely inserted article with no children,
7937 ;; we don't want it.
7938 (and (eq gnus-build-sparse-threads 'some)
7939 (gnus-summary-article-sparse-p number)
7941 ;; If we use expunging, and this article is really
7942 ;; low-scored, then we don't want this article.
7943 (when (and gnus-summary-expunge-below
7945 (or (cdr (assq number gnus-newsgroup-scored))
7946 gnus-summary-default-score))
7947 gnus-summary-expunge-below))
7948 ;; We increase the expunge-tally here, but that has
7949 ;; nothing to do with the limits, really.
7950 (incf gnus-newsgroup-expunged-tally)
7951 ;; We also mark as read here, if that's wanted.
7952 (when (and gnus-summary-mark-below
7953 (< score gnus-summary-mark-below))
7954 (setq gnus-newsgroup-unreads
7955 (delq number gnus-newsgroup-unreads))
7956 (if gnus-newsgroup-auto-expire
7957 (push number gnus-newsgroup-expirable)
7958 (push (cons number gnus-low-score-mark)
7959 gnus-newsgroup-reads)))
7961 ;; Do the `display' group parameter.
7962 (and gnus-newsgroup-display
7963 (not (funcall gnus-newsgroup-display)))
7964 ;; Check NoCeM things.
7965 (if (and gnus-use-nocem
7966 (gnus-nocem-unwanted-article-p
7967 (mail-header-id (car thread))))
7969 (setq gnus-newsgroup-unreads
7970 (delq number gnus-newsgroup-unreads))
7972 ;; Nope, invisible article.
7974 ;; Ok, this article is to be visible, so we add it to the limit
7976 (push number gnus-newsgroup-limit)
7979 (defun gnus-expunge-thread (thread)
7980 "Mark all articles in THREAD as read."
7981 (let* ((number (mail-header-number (car thread))))
7982 (incf gnus-newsgroup-expunged-tally)
7983 ;; We also mark as read here, if that's wanted.
7984 (setq gnus-newsgroup-unreads
7985 (delq number gnus-newsgroup-unreads))
7986 (if gnus-newsgroup-auto-expire
7987 (push number gnus-newsgroup-expirable)
7988 (push (cons number gnus-low-score-mark)
7989 gnus-newsgroup-reads)))
7990 ;; Go recursively through all subthreads.
7991 (mapcar 'gnus-expunge-thread (cdr thread)))
7993 ;; Summary article oriented commands
7995 (defun gnus-summary-refer-parent-article (n)
7996 "Refer parent article N times.
7997 If N is negative, go to ancestor -N instead.
7998 The difference between N and the number of articles fetched is returned."
8002 (when (not (natnump n))
8007 (setq header (gnus-summary-article-header))
8008 (if (and (eq (mail-header-number header)
8009 (cdr gnus-article-current))
8010 (equal gnus-newsgroup-name
8011 (car gnus-article-current)))
8012 ;; If we try to find the parent of the currently
8013 ;; displayed article, then we take a look at the actual
8014 ;; References header, since this is slightly more
8015 ;; reliable than the References field we got from the
8018 (set-buffer gnus-original-article-buffer)
8019 (nnheader-narrow-to-headers)
8020 (unless (setq ref (message-fetch-field "references"))
8021 (when (setq ref (message-fetch-field "in-reply-to"))
8022 (setq ref (gnus-extract-message-id-from-in-reply-to ref))))
8025 ;; It's not the current article, so we take a bet on
8026 ;; the value we got from the server.
8027 (mail-header-references header)))
8029 (not (equal ref "")))
8030 (unless (gnus-summary-refer-article (gnus-parent-id ref skip))
8031 (gnus-message 1 "Couldn't find parent"))
8032 (gnus-message 1 "No references in article %d"
8033 (gnus-summary-article-number))
8036 (gnus-summary-position-point)
8039 (defun gnus-summary-refer-references ()
8040 "Fetch all articles mentioned in the References header.
8041 Return the number of articles fetched."
8043 (let ((ref (mail-header-references (gnus-summary-article-header)))
8044 (current (gnus-summary-article-number))
8048 (error "No References in the current article")
8049 ;; For each Message-ID in the References header...
8050 (while (string-match "<[^>]*>" ref)
8052 ;; ... fetch that article.
8053 (gnus-summary-refer-article
8054 (prog1 (match-string 0 ref)
8055 (setq ref (substring ref (match-end 0))))))
8056 (gnus-summary-goto-subject current)
8057 (gnus-summary-position-point)
8060 (defun gnus-summary-refer-thread (&optional limit)
8061 "Fetch all articles in the current thread.
8062 If LIMIT (the numerical prefix), fetch that many old headers instead
8063 of what's specified by the `gnus-refer-thread-limit' variable."
8065 (let ((id (mail-header-id (gnus-summary-article-header)))
8066 (limit (if limit (prefix-numeric-value limit)
8067 gnus-refer-thread-limit)))
8068 (unless (eq gnus-fetch-old-headers 'invisible)
8069 (gnus-message 5 "Fetching headers for %s..." gnus-newsgroup-name)
8070 ;; Retrieve the headers and read them in.
8071 (if (eq (if (numberp limit)
8072 (gnus-retrieve-headers
8074 (+ (mail-header-number
8075 (gnus-summary-article-header))
8077 gnus-newsgroup-end))
8078 gnus-newsgroup-name (* limit 2))
8079 ;; gnus-refer-thread-limit is t, i.e. fetch _all_
8081 (gnus-retrieve-headers (list gnus-newsgroup-end)
8082 gnus-newsgroup-name limit))
8084 (gnus-build-all-threads)
8085 (error "Can't fetch thread from back ends that don't support NOV"))
8086 (gnus-message 5 "Fetching headers for %s...done" gnus-newsgroup-name))
8087 (gnus-summary-limit-include-thread id)))
8089 (defun gnus-summary-refer-article (message-id)
8090 "Fetch an article specified by MESSAGE-ID."
8091 (interactive "sMessage-ID: ")
8092 (when (and (stringp message-id)
8093 (not (zerop (length message-id))))
8094 ;; Construct the correct Message-ID if necessary.
8095 ;; Suggested by tale@pawl.rpi.edu.
8096 (unless (string-match "^<" message-id)
8097 (setq message-id (concat "<" message-id)))
8098 (unless (string-match ">$" message-id)
8099 (setq message-id (concat message-id ">")))
8100 (let* ((header (gnus-id-to-header message-id))
8102 (gnus-summary-article-sparse-p
8103 (mail-header-number header))
8104 (memq (mail-header-number header)
8105 gnus-newsgroup-limit)))
8108 ;; If the article is present in the buffer we just go to it.
8110 (or (not (gnus-summary-article-sparse-p
8111 (mail-header-number header)))
8114 (gnus-summary-goto-article
8115 (mail-header-number header) nil t)
8117 (gnus-summary-update-article (mail-header-number header)))))
8119 ;; We fetch the article.
8121 (dolist (gnus-override-method (gnus-refer-article-methods))
8122 (when (and (gnus-check-server gnus-override-method)
8123 ;; Fetch the header,
8124 (setq number (gnus-summary-insert-subject message-id)))
8125 ;; and display the article.
8126 (gnus-summary-select-article nil nil nil number)
8128 (gnus-message 3 "Couldn't fetch article %s" message-id)))))))
8130 (defun gnus-refer-article-methods ()
8131 "Return a list of referable methods."
8133 ;; No method, so we default to current and native.
8134 ((null gnus-refer-article-method)
8135 (list gnus-current-select-method gnus-select-method))
8137 ((eq 'current gnus-refer-article-method)
8138 (list gnus-current-select-method))
8139 ;; List of select methods.
8140 ((not (and (symbolp (car gnus-refer-article-method))
8141 (assq (car gnus-refer-article-method) nnoo-definition-alist)))
8143 (dolist (method gnus-refer-article-method)
8144 (push (if (eq 'current method)
8145 gnus-current-select-method
8149 ;; One single select method.
8151 (list gnus-refer-article-method))))
8153 (defun gnus-summary-edit-parameters ()
8154 "Edit the group parameters of the current group."
8156 (gnus-group-edit-group gnus-newsgroup-name 'params))
8158 (defun gnus-summary-customize-parameters ()
8159 "Customize the group parameters of the current group."
8161 (gnus-group-customize gnus-newsgroup-name))
8163 (defun gnus-summary-enter-digest-group (&optional force)
8164 "Enter an nndoc group based on the current article.
8165 If FORCE, force a digest interpretation. If not, try
8166 to guess what the document format is."
8168 (let ((conf gnus-current-window-configuration))
8169 (save-window-excursion
8171 (let (gnus-article-prepare-hook
8172 gnus-display-mime-function
8174 (gnus-summary-select-article))))
8175 (setq gnus-current-window-configuration conf)
8176 (let* ((name (format "%s-%d"
8177 (gnus-group-prefixed-name
8178 gnus-newsgroup-name (list 'nndoc ""))
8180 (set-buffer gnus-summary-buffer)
8181 gnus-current-article)))
8182 (ogroup gnus-newsgroup-name)
8183 (params (append (gnus-info-params (gnus-get-info ogroup))
8184 (list (cons 'to-group ogroup))
8185 (list (cons 'save-article-group ogroup))))
8186 (case-fold-search t)
8187 (buf (current-buffer))
8190 (set-buffer gnus-original-article-buffer)
8191 ;; Have the digest group inherit the main mail address of
8192 ;; the parent article.
8193 (when (setq to-address (or (gnus-fetch-field "reply-to")
8194 (gnus-fetch-field "from")))
8195 (setq params (append
8196 (list (cons 'to-address
8197 (funcall gnus-decode-encoded-word-function
8199 (setq dig (nnheader-set-temp-buffer " *gnus digest buffer*"))
8200 (insert-buffer-substring gnus-original-article-buffer)
8201 ;; Remove lines that may lead nndoc to misinterpret the
8204 (goto-char (point-min))
8205 (or (search-forward "\n\n" nil t) (point)))
8206 (goto-char (point-min))
8207 (delete-matching-lines "^Path:\\|^From ")
8210 (if (let ((gnus-newsgroup-ephemeral-charset gnus-newsgroup-charset)
8211 (gnus-newsgroup-ephemeral-ignored-charsets
8212 gnus-newsgroup-ignored-charsets))
8213 (gnus-group-read-ephemeral-group
8214 name `(nndoc ,name (nndoc-address ,(get-buffer dig))
8216 ,(if force 'mbox 'guess)))
8218 `((adapt-file . ,(gnus-score-file-name gnus-newsgroup-name
8220 ;; Make all postings to this group go to the parent group.
8221 (nconc (gnus-info-params (gnus-get-info name))
8223 ;; Couldn't select this doc group.
8224 (switch-to-buffer buf)
8225 (gnus-set-global-variables)
8226 (gnus-configure-windows 'summary)
8227 (gnus-message 3 "Article couldn't be entered?"))
8228 (kill-buffer dig)))))
8230 (defun gnus-summary-read-document (n)
8231 "Open a new group based on the current article(s).
8232 This will allow you to read digests and other similar
8233 documents as newsgroups.
8234 Obeys the standard process/prefix convention."
8236 (let* ((articles (gnus-summary-work-articles n))
8237 (ogroup gnus-newsgroup-name)
8238 (params (append (gnus-info-params (gnus-get-info ogroup))
8239 (list (cons 'to-group ogroup))))
8240 article group egroup groups vgroup)
8241 (while (setq article (pop articles))
8242 (setq group (format "%s-%d" gnus-newsgroup-name article))
8243 (gnus-summary-remove-process-mark article)
8244 (when (gnus-summary-display-article article)
8247 (insert-buffer-substring gnus-original-article-buffer)
8248 ;; Remove some headers that may lead nndoc to make
8250 (message-narrow-to-head)
8251 (goto-char (point-min))
8252 (delete-matching-lines "^\\(Path\\):\\|^From ")
8255 (gnus-group-read-ephemeral-group
8256 group `(nndoc ,group (nndoc-address ,(current-buffer))
8257 (nndoc-article-type guess))
8260 ;; Make all postings to this group go to the parent group.
8261 (nconc (gnus-info-params (gnus-get-info egroup))
8263 (push egroup groups))
8264 ;; Couldn't select this doc group.
8265 (gnus-error 3 "Article couldn't be entered"))))))
8266 ;; Now we have selected all the documents.
8269 (error "None of the articles could be interpreted as documents"))
8270 ((gnus-group-read-ephemeral-group
8271 (setq vgroup (format
8272 "nnvirtual:%s-%s" gnus-newsgroup-name
8273 (format-time-string "%Y%m%dT%H%M%S" (current-time))))
8274 `(nnvirtual ,vgroup (nnvirtual-component-groups ,groups))
8276 (cons (current-buffer) 'summary)))
8278 (error "Couldn't select virtual nndoc group")))))
8280 (defun gnus-summary-isearch-article (&optional regexp-p)
8281 "Do incremental search forward on the current article.
8282 If REGEXP-P (the prefix) is non-nil, do regexp isearch."
8284 (gnus-summary-select-article)
8285 (gnus-configure-windows 'article)
8286 (gnus-eval-in-buffer-window gnus-article-buffer
8289 (isearch-forward regexp-p))))
8291 (defun gnus-summary-search-article-forward (regexp &optional backward)
8292 "Search for an article containing REGEXP forward.
8293 If BACKWARD, search backward instead."
8296 (format "Search article %s (regexp%s): "
8297 (if current-prefix-arg "backward" "forward")
8298 (if gnus-last-search-regexp
8299 (concat ", default " gnus-last-search-regexp)
8301 current-prefix-arg))
8302 (if (string-equal regexp "")
8303 (setq regexp (or gnus-last-search-regexp ""))
8304 (setq gnus-last-search-regexp regexp)
8305 (setq gnus-article-before-search gnus-current-article))
8306 ;; Intentionally set gnus-last-article.
8307 (setq gnus-last-article gnus-article-before-search)
8308 (let ((gnus-last-article gnus-last-article))
8309 (if (gnus-summary-search-article regexp backward)
8310 (gnus-summary-show-thread)
8311 (error "Search failed: \"%s\"" regexp))))
8313 (defun gnus-summary-search-article-backward (regexp)
8314 "Search for an article containing REGEXP backward."
8317 (format "Search article backward (regexp%s): "
8318 (if gnus-last-search-regexp
8319 (concat ", default " gnus-last-search-regexp)
8321 (gnus-summary-search-article-forward regexp 'backward))
8323 (defun gnus-summary-search-article (regexp &optional backward)
8324 "Search for an article containing REGEXP.
8325 Optional argument BACKWARD means do search for backward.
8326 `gnus-select-article-hook' is not called during the search."
8327 ;; We have to require this here to make sure that the following
8328 ;; dynamic binding isn't shadowed by autoloading.
8329 (require 'gnus-async)
8331 (let ((gnus-select-article-hook nil) ;Disable hook.
8332 (gnus-article-prepare-hook nil)
8333 (gnus-mark-article-hook nil) ;Inhibit marking as read.
8334 (gnus-use-article-prefetch nil)
8335 (gnus-xmas-force-redisplay nil) ;Inhibit XEmacs redisplay.
8336 (gnus-use-trees nil) ;Inhibit updating tree buffer.
8338 (gnus-keep-backlog nil)
8339 (gnus-break-pages nil)
8340 (gnus-summary-display-arrow nil)
8341 (gnus-updated-mode-lines nil)
8342 (gnus-auto-center-summary nil)
8343 (sum (current-buffer))
8344 (gnus-display-mime-function nil)
8347 (gnus-save-hidden-threads
8348 (gnus-summary-select-article)
8349 (set-buffer gnus-article-buffer)
8350 (goto-char (window-point (get-buffer-window (current-buffer))))
8354 (gnus-message 7 "Searching article: %d..." (cdr gnus-article-current))
8356 (re-search-backward regexp nil t)
8357 (re-search-forward regexp nil t))
8358 ;; We found the regexp.
8363 (get-buffer-window (current-buffer))
8367 (get-buffer-window (current-buffer))
8370 (setq point (point)))
8371 ;; We didn't find it, so we go to the next article.
8374 (while (eq found 'not)
8375 (if (not (if backward (gnus-summary-find-prev)
8376 (gnus-summary-find-next)))
8377 ;; No more articles.
8379 ;; Select the next article and adjust point.
8380 (unless (gnus-summary-article-sparse-p
8381 (gnus-summary-article-number))
8383 (gnus-summary-select-article)
8384 (set-buffer gnus-article-buffer)
8386 (goto-char (if backward (point-max) (point-min))))))))
8387 (gnus-message 7 ""))
8388 ;; Return whether we found the regexp.
8389 (when (eq found 'found)
8391 (gnus-summary-show-thread)
8392 (gnus-summary-goto-subject gnus-current-article)
8393 (gnus-summary-position-point)
8396 (defun gnus-find-matching-articles (header regexp)
8397 "Return a list of all articles that match REGEXP on HEADER.
8398 This search includes all articles in the current group that Gnus has
8399 fetched headers for, whether they are displayed or not."
8400 (let ((articles nil)
8401 (func `(lambda (h) (,(intern (concat "mail-header-" header)) h)))
8402 (case-fold-search t))
8403 (dolist (header gnus-newsgroup-headers)
8404 (when (string-match regexp (funcall func header))
8405 (push (mail-header-number header) articles)))
8406 (nreverse articles)))
8408 (defun gnus-summary-find-matching (header regexp &optional backward unread
8409 not-case-fold not-matching)
8410 "Return a list of all articles that match REGEXP on HEADER.
8411 The search stars on the current article and goes forwards unless
8412 BACKWARD is non-nil. If BACKWARD is `all', do all articles.
8413 If UNREAD is non-nil, only unread articles will
8414 be taken into consideration. If NOT-CASE-FOLD, case won't be folded
8415 in the comparisons. If NOT-MATCHING, return a list of all articles that
8416 not match REGEXP on HEADER."
8417 (let ((case-fold-search (not not-case-fold))
8420 (if (eq (car header) 'extra)
8423 (or (cdr (assq ',(cdr header) (mail-header-extra h)))
8425 (error "%s is an invalid header" header))
8426 (unless (fboundp (intern (concat "mail-header-" header)))
8427 (error "%s is not a valid header" header))
8428 (setq func `(lambda (h) (,(intern (concat "mail-header-" header)) h))))
8429 (dolist (d (if (eq backward 'all)
8431 (gnus-data-find-list
8432 (gnus-summary-article-number)
8433 (gnus-data-list backward))))
8434 (when (and (or (not unread) ; We want all articles...
8435 (gnus-data-unread-p d)) ; Or just unreads.
8436 (vectorp (gnus-data-header d)) ; It's not a pseudo.
8440 (funcall func (gnus-data-header d))))
8441 (string-match regexp
8442 (funcall func (gnus-data-header d)))))
8443 (push (gnus-data-number d) articles))) ; Success!
8444 (nreverse articles)))
8446 (defun gnus-summary-execute-command (header regexp command &optional backward)
8447 "Search forward for an article whose HEADER matches REGEXP and execute COMMAND.
8448 If HEADER is an empty string (or nil), the match is done on the entire
8449 article. If BACKWARD (the prefix) is non-nil, search backward instead."
8451 (list (let ((completion-ignore-case t))
8454 (mapcar (lambda (header) (list (format "%s" header)))
8456 '("Number" "Subject" "From" "Lines" "Date"
8457 "Message-ID" "Xref" "References" "Body")
8458 gnus-extra-headers))
8459 nil 'require-match))
8460 (read-string "Regexp: ")
8461 (read-key-sequence "Command: ")
8462 current-prefix-arg))
8463 (when (equal header "Body")
8465 ;; Hidden thread subtrees must be searched as well.
8466 (gnus-summary-show-all-threads)
8467 ;; We don't want to change current point nor window configuration.
8469 (save-window-excursion
8471 gnus-treat-strip-trailing-blank-lines
8472 gnus-treat-strip-leading-blank-lines
8473 gnus-treat-strip-multiple-blank-lines
8474 gnus-treat-hide-boring-headers
8475 gnus-treat-fold-newsgroups
8476 gnus-article-prepare-hook)
8477 (gnus-message 6 "Executing %s..." (key-description command))
8478 ;; We'd like to execute COMMAND interactively so as to give arguments.
8479 (gnus-execute header regexp
8480 `(call-interactively ',(key-binding command))
8482 (gnus-message 6 "Executing %s...done" (key-description command))))))
8484 (defun gnus-summary-beginning-of-article ()
8485 "Scroll the article back to the beginning."
8487 (gnus-summary-select-article)
8488 (gnus-configure-windows 'article)
8489 (gnus-eval-in-buffer-window gnus-article-buffer
8491 (goto-char (point-min))
8492 (when gnus-page-broken
8493 (gnus-narrow-to-page))))
8495 (defun gnus-summary-end-of-article ()
8496 "Scroll to the end of the article."
8498 (gnus-summary-select-article)
8499 (gnus-configure-windows 'article)
8500 (gnus-eval-in-buffer-window gnus-article-buffer
8502 (goto-char (point-max))
8504 (when gnus-page-broken
8505 (gnus-narrow-to-page))))
8507 (defun gnus-summary-print-truncate-and-quote (string &optional len)
8508 "Truncate to LEN and quote all \"(\"'s in STRING."
8509 (gnus-replace-in-string (if (and len (> (length string) len))
8510 (substring string 0 len)
8514 (defun gnus-summary-print-article (&optional filename n)
8515 "Generate and print a PostScript image of the N next (mail) articles.
8517 If N is negative, print the N previous articles. If N is nil and articles
8518 have been marked with the process mark, print these instead.
8520 If the optional first argument FILENAME is nil, send the image to the
8521 printer. If FILENAME is a string, save the PostScript image in a file with
8522 that name. If FILENAME is a number, prompt the user for the name of the file
8524 (interactive (list (ps-print-preprint current-prefix-arg)))
8525 (dolist (article (gnus-summary-work-articles n))
8526 (gnus-summary-select-article nil nil 'pseudo article)
8527 (gnus-eval-in-buffer-window gnus-article-buffer
8528 (gnus-print-buffer))
8529 (gnus-summary-remove-process-mark article))
8530 (ps-despool filename))
8532 (defun gnus-print-buffer ()
8533 (let ((buffer (generate-new-buffer " *print*")))
8536 (copy-to-buffer buffer (point-min) (point-max))
8538 (gnus-remove-text-with-property 'gnus-decoration)
8539 (when (gnus-visual-p 'article-highlight 'highlight)
8540 ;; Copy-to-buffer doesn't copy overlay. So redo
8542 (let ((gnus-article-buffer buffer))
8543 (gnus-article-highlight-citation t)
8544 (gnus-article-highlight-signature)
8545 (gnus-article-emphasize)
8546 (gnus-article-delete-invisible-text)))
8547 (let ((ps-left-header
8550 (gnus-summary-print-truncate-and-quote
8551 (mail-header-subject gnus-current-headers)
8554 (gnus-summary-print-truncate-and-quote
8555 (mail-header-from gnus-current-headers)
8559 "/pagenumberstring load"
8561 (mail-header-date gnus-current-headers) ")"))))
8562 (gnus-run-hooks 'gnus-ps-print-hook)
8565 (ps-spool-buffer-with-faces)
8566 (ps-spool-buffer)))))
8567 (kill-buffer buffer))))
8569 (defun gnus-summary-show-article (&optional arg)
8570 "Force redisplaying of the current article.
8571 If ARG (the prefix) is a number, show the article with the charset
8572 defined in `gnus-summary-show-article-charset-alist', or the charset
8574 If ARG (the prefix) is non-nil and not a number, show the raw article
8575 without any article massaging functions being run. Normally, the key
8576 strokes are `C-u g'."
8580 (gnus-summary-show-article t)
8581 (let ((gnus-newsgroup-charset
8582 (or (cdr (assq arg gnus-summary-show-article-charset-alist))
8583 (mm-read-coding-system
8584 "View as charset: " ;; actually it is coding system.
8586 (set-buffer gnus-article-buffer)
8587 (mm-detect-coding-region (point) (point-max))))))
8588 (gnus-newsgroup-ignored-charsets 'gnus-all))
8589 (gnus-summary-select-article nil 'force)
8590 (let ((deps gnus-newsgroup-dependencies)
8593 (set-buffer gnus-original-article-buffer)
8595 (message-narrow-to-head)
8596 (setq head (buffer-string))
8597 (goto-char (point-min))
8598 (unless (re-search-forward "^lines:[ \t]\\([0-9]+\\)" nil t)
8599 (goto-char (point-max))
8601 (setq lines (1- (count-lines (point) (point-max))))))
8603 (insert (format "211 %d Article retrieved.\n"
8604 (cdr gnus-article-current)))
8606 (if lines (insert (format "Lines: %d\n" lines)))
8608 (let ((nntp-server-buffer (current-buffer)))
8609 (setq header (car (gnus-get-newsgroup-headers deps t))))))
8610 (gnus-data-set-header
8611 (gnus-data-find (cdr gnus-article-current))
8613 (gnus-summary-update-article-line
8614 (cdr gnus-article-current) header)
8615 (when (gnus-summary-goto-subject (cdr gnus-article-current) nil t)
8616 (gnus-summary-update-secondary-mark (cdr gnus-article-current))))))
8618 ;; Select the article the normal way.
8619 (gnus-summary-select-article nil 'force))
8621 ;; We have to require this here to make sure that the following
8622 ;; dynamic binding isn't shadowed by autoloading.
8623 (require 'gnus-async)
8625 ;; Bind the article treatment functions to nil.
8626 (let ((gnus-have-all-headers t)
8627 gnus-article-prepare-hook
8628 gnus-article-decode-hook
8629 gnus-display-mime-function
8631 ;; Destroy any MIME parts.
8632 (when (gnus-buffer-live-p gnus-article-buffer)
8634 (set-buffer gnus-article-buffer)
8635 (mm-destroy-parts gnus-article-mime-handles)
8636 ;; Set it to nil for safety reason.
8637 (setq gnus-article-mime-handle-alist nil)
8638 (setq gnus-article-mime-handles nil)))
8639 (gnus-summary-select-article nil 'force))))
8640 (gnus-summary-goto-subject gnus-current-article)
8641 (gnus-summary-position-point))
8643 (defun gnus-summary-show-raw-article ()
8644 "Show the raw article without any article massaging functions being run."
8646 (gnus-summary-show-article t))
8648 (defun gnus-summary-verbose-headers (&optional arg)
8649 "Toggle permanent full header display.
8650 If ARG is a positive number, turn header display on.
8651 If ARG is a negative number, turn header display off."
8653 (setq gnus-show-all-headers
8654 (cond ((or (not (numberp arg))
8656 (not gnus-show-all-headers))
8659 (gnus-summary-show-article))
8661 (defun gnus-summary-toggle-header (&optional arg)
8662 "Show the headers if they are hidden, or hide them if they are shown.
8663 If ARG is a positive number, show the entire header.
8664 If ARG is a negative number, hide the unwanted header lines."
8666 (let ((window (and (gnus-buffer-live-p gnus-article-buffer)
8667 (get-buffer-window gnus-article-buffer t))))
8668 (with-current-buffer gnus-article-buffer
8670 (article-narrow-to-head)
8671 (let* ((buffer-read-only nil)
8672 (inhibit-point-motion-hooks t)
8673 (hidden (if (numberp arg)
8675 (gnus-article-hidden-text-p 'headers)))
8677 (delete-region (point-min) (point-max))
8678 (with-current-buffer gnus-original-article-buffer
8679 (goto-char (setq s (point-min)))
8680 (setq e (if (search-forward "\n\n" nil t)
8683 (insert-buffer-substring gnus-original-article-buffer s e)
8684 (run-hooks 'gnus-article-decode-hook)
8686 (let ((gnus-treat-hide-headers nil)
8687 (gnus-treat-hide-boring-headers nil))
8688 (gnus-delete-wash-type 'headers)
8689 (gnus-treat-article 'head))
8690 (gnus-treat-article 'head))
8693 (set-window-start window (goto-char (point-min))))
8694 (setq gnus-page-broken
8695 (when gnus-break-pages
8696 (gnus-narrow-to-page)
8698 (gnus-set-mode-line 'article)))))
8700 (defun gnus-summary-show-all-headers ()
8701 "Make all header lines visible."
8703 (gnus-summary-toggle-header 1))
8705 (defun gnus-summary-caesar-message (&optional arg)
8706 "Caesar rotate the current article by 13.
8707 The numerical prefix specifies how many places to rotate each letter
8710 (gnus-summary-select-article)
8711 (let ((mail-header-separator ""))
8712 (gnus-eval-in-buffer-window gnus-article-buffer
8715 (let ((start (window-start))
8717 (message-caesar-buffer-body arg)
8718 (set-window-start (get-buffer-window (current-buffer)) start))))))
8720 (autoload 'unmorse-region "morse"
8721 "Convert morse coded text in region to ordinary ASCII text."
8724 (defun gnus-summary-morse-message (&optional arg)
8725 "Morse decode the current article."
8727 (gnus-summary-select-article)
8728 (let ((mail-header-separator ""))
8729 (gnus-eval-in-buffer-window gnus-article-buffer
8733 (let ((pos (window-start))
8735 (goto-char (point-min))
8736 (when (message-goto-body)
8737 (gnus-narrow-to-body))
8738 (goto-char (point-min))
8739 (while (re-search-forward "·" (point-max) t)
8740 (replace-match "."))
8741 (unmorse-region (point-min) (point-max))
8743 (set-window-start (get-buffer-window (current-buffer)) pos)))))))
8745 (defun gnus-summary-stop-page-breaking ()
8746 "Stop page breaking in the current article."
8748 (gnus-summary-select-article)
8749 (gnus-eval-in-buffer-window gnus-article-buffer
8751 (when (gnus-visual-p 'page-marker)
8752 (let ((buffer-read-only nil))
8753 (gnus-remove-text-with-property 'gnus-prev)
8754 (gnus-remove-text-with-property 'gnus-next))
8755 (setq gnus-page-broken nil))))
8757 (defun gnus-summary-move-article (&optional n to-newsgroup
8758 select-method action)
8759 "Move the current article to a different newsgroup.
8760 If N is a positive number, move the N next articles.
8761 If N is a negative number, move the N previous articles.
8762 If N is nil and any articles have been marked with the process mark,
8763 move those articles instead.
8764 If TO-NEWSGROUP is string, do not prompt for a newsgroup to move to.
8765 If SELECT-METHOD is non-nil, do not move to a specific newsgroup, but
8766 re-spool using this method.
8768 When called interactively with TO-NEWSGROUP being nil, the value of
8769 the variable `gnus-move-split-methods' is used for finding a default
8770 for the target newsgroup.
8772 For this function to work, both the current newsgroup and the
8773 newsgroup that you want to move to have to support the `request-move'
8774 and `request-accept' functions.
8776 ACTION can be either `move' (the default), `crosspost' or `copy'."
8779 (setq action 'move))
8780 ;; Check whether the source group supports the required functions.
8781 (cond ((and (eq action 'move)
8782 (not (gnus-check-backend-function
8783 'request-move-article gnus-newsgroup-name)))
8784 (error "The current group does not support article moving"))
8785 ((and (eq action 'crosspost)
8786 (not (gnus-check-backend-function
8787 'request-replace-article gnus-newsgroup-name)))
8788 (error "The current group does not support article editing")))
8789 (let ((articles (gnus-summary-work-articles n))
8790 (prefix (if (gnus-check-backend-function
8791 'request-move-article gnus-newsgroup-name)
8792 (gnus-group-real-prefix gnus-newsgroup-name)
8794 (names '((move "Move" "Moving")
8795 (copy "Copy" "Copying")
8796 (crosspost "Crosspost" "Crossposting")))
8797 (copy-buf (save-excursion
8798 (nnheader-set-temp-buffer " *copy article*")))
8799 art-group to-method new-xref article to-groups)
8800 (unless (assq action names)
8801 (error "Unknown action %s" action))
8802 ;; Read the newsgroup name.
8803 (when (and (not to-newsgroup)
8804 (not select-method))
8805 (if (and gnus-move-split-methods
8807 (and (memq gnus-current-article articles)
8808 (gnus-buffer-live-p gnus-original-article-buffer))))
8809 ;; When `gnus-move-split-methods' is non-nil, we have to
8810 ;; select an article to give `gnus-read-move-group-name' an
8811 ;; opportunity to suggest an appropriate default. However,
8812 ;; we needn't render or mark the article.
8813 (let ((gnus-display-mime-function nil)
8814 (gnus-article-prepare-hook nil)
8815 (gnus-mark-article-hook nil))
8816 (gnus-summary-select-article nil nil nil (car articles))))
8818 (gnus-read-move-group-name
8819 (cadr (assq action names))
8820 (symbol-value (intern (format "gnus-current-%s-group" action)))
8822 (set (intern (format "gnus-current-%s-group" action)) to-newsgroup))
8823 (setq to-method (or select-method
8824 (gnus-server-to-method
8825 (gnus-group-method to-newsgroup))))
8826 ;; Check the method we are to move this article to...
8827 (unless (gnus-check-backend-function
8828 'request-accept-article (car to-method))
8829 (error "%s does not support article copying" (car to-method)))
8830 (unless (gnus-check-server to-method)
8831 (error "Can't open server %s" (car to-method)))
8832 (gnus-message 6 "%s to %s: %s..."
8833 (caddr (assq action names))
8834 (or (car select-method) to-newsgroup) articles)
8836 (setq article (pop articles))
8840 ;; Move the article.
8842 ;; Remove this article from future suppression.
8843 (gnus-dup-unsuppress-article article)
8844 (gnus-request-move-article
8845 article ; Article to move
8846 gnus-newsgroup-name ; From newsgroup
8847 (nth 1 (gnus-find-method-for-group
8848 gnus-newsgroup-name)) ; Server
8849 (list 'gnus-request-accept-article
8850 to-newsgroup (list 'quote select-method)
8851 (not articles) t) ; Accept form
8852 (not articles))) ; Only save nov last time
8853 ;; Copy the article.
8856 (set-buffer copy-buf)
8857 (when (gnus-request-article-this-buffer article gnus-newsgroup-name)
8858 (gnus-request-accept-article
8859 to-newsgroup select-method (not articles) t))))
8860 ;; Crosspost the article.
8861 ((eq action 'crosspost)
8862 (let ((xref (message-tokenize-header
8863 (mail-header-xref (gnus-summary-article-header article))
8865 (setq new-xref (concat (gnus-group-real-name gnus-newsgroup-name)
8866 ":" (number-to-string article)))
8868 (setq xref (list (system-name))))
8871 (mapconcat 'identity
8872 (delete "Xref:" (delete new-xref xref))
8876 (set-buffer copy-buf)
8877 ;; First put the article in the destination group.
8878 (gnus-request-article-this-buffer article gnus-newsgroup-name)
8879 (when (consp (setq art-group
8880 (gnus-request-accept-article
8881 to-newsgroup select-method (not articles))))
8882 (setq new-xref (concat new-xref " " (car art-group)
8884 (number-to-string (cdr art-group))))
8885 ;; Now we have the new Xrefs header, so we insert
8886 ;; it and replace the new article.
8887 (nnheader-replace-header "Xref" new-xref)
8888 (gnus-request-replace-article
8889 (cdr art-group) to-newsgroup (current-buffer))
8893 (gnus-message 1 "Couldn't %s article %s: %s"
8894 (cadr (assq action names)) article
8895 (nnheader-get-report (car to-method))))
8896 ((eq art-group 'junk)
8897 (when (eq action 'move)
8898 (gnus-summary-mark-article article gnus-canceled-mark)
8899 (gnus-message 4 "Deleted article %s" article)
8900 ;; run the delete hook
8901 (run-hook-with-args 'gnus-summary-article-delete-hook
8904 (assoc article (gnus-data-list nil)))
8905 gnus-newsgroup-name nil
8908 (let* ((pto-group (gnus-group-prefixed-name
8909 (car art-group) to-method))
8911 (gnus-gethash pto-group gnus-newsrc-hashtb))
8912 (info (nth 2 entry))
8913 (to-group (gnus-info-group info))
8915 ;; Update the group that has been moved to.
8917 (memq action '(move copy)))
8918 (unless (member to-group to-groups)
8919 (push to-group to-groups))
8921 (unless (memq article gnus-newsgroup-unreads)
8922 (push 'read to-marks)
8924 info (gnus-add-to-range (gnus-info-read info)
8925 (list (cdr art-group)))))
8927 ;; See whether the article is to be put in the cache.
8928 (let ((marks (if (gnus-group-auto-expirable-p to-group)
8929 gnus-article-mark-lists
8930 (delete '(expirable . expire)
8931 (copy-sequence gnus-article-mark-lists))))
8932 (to-article (cdr art-group)))
8934 ;; Enter the article into the cache in the new group,
8935 ;; if that is required.
8936 (when gnus-use-cache
8937 (gnus-cache-possibly-enter-article
8939 (memq article gnus-newsgroup-marked)
8940 (memq article gnus-newsgroup-dormant)
8941 (memq article gnus-newsgroup-unreads)))
8943 (when gnus-preserve-marks
8944 ;; Copy any marks over to the new group.
8945 (when (and (equal to-group gnus-newsgroup-name)
8946 (not (memq article gnus-newsgroup-unreads)))
8947 ;; Mark this article as read in this group.
8948 (push (cons to-article gnus-read-mark) gnus-newsgroup-reads)
8949 (setcdr (gnus-active to-group) to-article)
8950 (setcdr gnus-newsgroup-active to-article))
8953 (when (eq (gnus-article-mark-to-type (cdar marks)) 'list)
8954 (when (memq article (symbol-value
8955 (intern (format "gnus-newsgroup-%s"
8957 (push (cdar marks) to-marks)
8958 ;; If the other group is the same as this group,
8959 ;; then we have to add the mark to the list.
8960 (when (equal to-group gnus-newsgroup-name)
8961 (set (intern (format "gnus-newsgroup-%s" (caar marks)))
8964 (intern (format "gnus-newsgroup-%s"
8966 ;; Copy the marks to other group.
8967 (gnus-add-marked-articles
8968 to-group (cdar marks) (list to-article) info)))
8969 (setq marks (cdr marks)))
8971 (gnus-request-set-mark
8972 to-group (list (list (list to-article) 'add to-marks))))
8975 (concat "(gnus-group-set-info '"
8976 (gnus-prin1-to-string (gnus-get-info to-group))
8979 ;; Update the Xref header in this article to point to
8980 ;; the new crossposted article we have just created.
8981 (when (eq action 'crosspost)
8983 (set-buffer copy-buf)
8984 (gnus-request-article-this-buffer article gnus-newsgroup-name)
8985 (nnheader-replace-header "Xref" new-xref)
8986 (gnus-request-replace-article
8987 article gnus-newsgroup-name (current-buffer))))
8989 ;; run the move/copy/crosspost/respool hook
8990 (run-hook-with-args 'gnus-summary-article-move-hook
8993 (assoc article (gnus-data-list nil)))
8998 ;;;!!!Why is this necessary?
8999 (set-buffer gnus-summary-buffer)
9001 (gnus-summary-goto-subject article)
9002 (when (eq action 'move)
9003 (gnus-summary-mark-article article gnus-canceled-mark))))
9004 (gnus-summary-remove-process-mark article))
9005 ;; Re-activate all groups that have been moved to.
9007 (set-buffer gnus-group-buffer)
9008 (let ((gnus-group-marked to-groups))
9009 (gnus-group-get-new-news-this-group nil t)))
9011 (gnus-kill-buffer copy-buf)
9012 (gnus-summary-position-point)
9013 (gnus-set-mode-line 'summary)))
9015 (defun gnus-summary-copy-article (&optional n to-newsgroup select-method)
9016 "Move the current article to a different newsgroup.
9017 If TO-NEWSGROUP is string, do not prompt for a newsgroup to move to.
9018 When called interactively, if TO-NEWSGROUP is nil, use the value of
9019 the variable `gnus-move-split-methods' for finding a default target
9021 If SELECT-METHOD is non-nil, do not move to a specific newsgroup, but
9022 re-spool using this method."
9024 (gnus-summary-move-article n to-newsgroup select-method 'copy))
9026 (defun gnus-summary-crosspost-article (&optional n)
9027 "Crosspost the current article to some other group."
9029 (gnus-summary-move-article n nil nil 'crosspost))
9031 (defcustom gnus-summary-respool-default-method nil
9032 "Default method type for respooling an article.
9033 If nil, use to the current newsgroup method."
9035 :group 'gnus-summary-mail)
9037 (defcustom gnus-summary-display-while-building nil
9038 "If non-nil, show and update the summary buffer as it's being built.
9039 If the value is t, update the buffer after every line is inserted. If
9040 the value is an integer (N), update the display every N lines."
9042 :type '(choice (const :tag "off" nil)
9044 (const :tag "frequently" t)))
9046 (defun gnus-summary-respool-article (&optional n method)
9047 "Respool the current article.
9048 The article will be squeezed through the mail spooling process again,
9049 which means that it will be put in some mail newsgroup or other
9050 depending on `nnmail-split-methods'.
9051 If N is a positive number, respool the N next articles.
9052 If N is a negative number, respool the N previous articles.
9053 If N is nil and any articles have been marked with the process mark,
9054 respool those articles instead.
9056 Respooling can be done both from mail groups and \"real\" newsgroups.
9057 In the former case, the articles in question will be moved from the
9058 current group into whatever groups they are destined to. In the
9059 latter case, they will be copied into the relevant groups."
9061 (list current-prefix-arg
9062 (let* ((methods (gnus-methods-using 'respool))
9064 (symbol-name (or gnus-summary-respool-default-method
9065 (car (gnus-find-method-for-group
9066 gnus-newsgroup-name)))))
9068 (gnus-completing-read-with-default
9069 methname "What backend do you want to use when respooling?"
9070 methods nil t nil 'gnus-mail-method-history))
9073 ((zerop (length (setq ms (gnus-servers-using-backend
9075 (list (intern method) ""))
9079 (let ((ms-alist (mapcar (lambda (m) (cons (cadr m) m)) ms)))
9080 (cdr (assoc (completing-read "Server name: " ms-alist nil t)
9083 (error "No method given for respooling"))
9084 (if (assoc (symbol-name
9085 (car (gnus-find-method-for-group gnus-newsgroup-name)))
9086 (gnus-methods-using 'respool))
9087 (gnus-summary-move-article n nil method)
9088 (gnus-summary-copy-article n nil method)))
9090 (defun gnus-summary-import-article (file &optional edit)
9091 "Import an arbitrary file into a mail newsgroup."
9092 (interactive "fImport file: \nP")
9093 (let ((group gnus-newsgroup-name)
9094 (now (current-time))
9095 atts lines group-art)
9096 (unless (gnus-check-backend-function 'request-accept-article group)
9097 (error "%s does not support article importing" group))
9098 (or (file-readable-p file)
9099 (not (file-regular-p file))
9100 (error "Can't read %s" file))
9102 (set-buffer (gnus-get-buffer-create " *import file*"))
9104 (nnheader-insert-file-contents file)
9105 (goto-char (point-min))
9106 (if (nnheader-article-p)
9108 (goto-char (point-min))
9109 (search-forward "\n\n" nil t)
9110 (narrow-to-region (point-min) (1- (point)))
9111 (goto-char (point-min))
9112 (unless (re-search-forward "^date:" nil t)
9113 (goto-char (point-max))
9114 (insert "Date: " (message-make-date (nth 5 atts)) "\n")))
9115 ;; This doesn't look like an article, so we fudge some headers.
9116 (setq atts (file-attributes file)
9117 lines (count-lines (point-min) (point-max)))
9118 (insert "From: " (read-string "From: ") "\n"
9119 "Subject: " (read-string "Subject: ") "\n"
9120 "Date: " (message-make-date (nth 5 atts)) "\n"
9121 "Message-ID: " (message-make-message-id) "\n"
9122 "Lines: " (int-to-string lines) "\n"
9123 "Chars: " (int-to-string (nth 7 atts)) "\n\n"))
9124 (setq group-art (gnus-request-accept-article group nil t))
9125 (kill-buffer (current-buffer)))
9126 (setq gnus-newsgroup-active (gnus-activate-group group))
9128 (gnus-summary-goto-article (cdr group-art) nil t)
9130 (gnus-summary-edit-article))))
9132 (defun gnus-summary-create-article ()
9133 "Create an article in a mail newsgroup."
9135 (let ((group gnus-newsgroup-name)
9136 (now (current-time))
9138 (unless (gnus-check-backend-function 'request-accept-article group)
9139 (error "%s does not support article importing" group))
9141 (set-buffer (gnus-get-buffer-create " *import file*"))
9143 (goto-char (point-min))
9144 ;; This doesn't look like an article, so we fudge some headers.
9145 (insert "From: " (read-string "From: ") "\n"
9146 "Subject: " (read-string "Subject: ") "\n"
9147 "Date: " (message-make-date now) "\n"
9148 "Message-ID: " (message-make-message-id) "\n")
9149 (setq group-art (gnus-request-accept-article group nil t))
9150 (kill-buffer (current-buffer)))
9151 (setq gnus-newsgroup-active (gnus-activate-group group))
9153 (gnus-summary-goto-article (cdr group-art) nil t)
9154 (gnus-summary-edit-article)))
9156 (defun gnus-summary-article-posted-p ()
9157 "Say whether the current (mail) article is available from news as well.
9158 This will be the case if the article has both been mailed and posted."
9160 (let ((id (mail-header-references (gnus-summary-article-header)))
9161 (gnus-override-method (car (gnus-refer-article-methods))))
9162 (if (gnus-request-head id "")
9163 (gnus-message 2 "The current message was found on %s"
9164 gnus-override-method)
9165 (gnus-message 2 "The current message couldn't be found on %s"
9166 gnus-override-method)
9169 (defun gnus-summary-expire-articles (&optional now)
9170 "Expire all articles that are marked as expirable in the current group."
9172 (when (and (not gnus-group-is-exiting-without-update-p)
9173 (gnus-check-backend-function
9174 'request-expire-articles gnus-newsgroup-name))
9175 ;; This backend supports expiry.
9176 (let* ((total (gnus-group-total-expirable-p gnus-newsgroup-name))
9177 (expirable (if total
9179 ;; We need to update the info for
9180 ;; this group for `gnus-list-of-read-articles'
9181 ;; to give us the right answer.
9182 (gnus-run-hooks 'gnus-exit-group-hook)
9183 (gnus-summary-update-info)
9184 (gnus-list-of-read-articles gnus-newsgroup-name))
9185 (setq gnus-newsgroup-expirable
9186 (sort gnus-newsgroup-expirable '<))))
9187 (expiry-wait (if now 'immediate
9188 (gnus-group-find-parameter
9189 gnus-newsgroup-name 'expiry-wait)))
9190 (nnmail-expiry-target
9191 (or (gnus-group-find-parameter gnus-newsgroup-name 'expiry-target)
9192 nnmail-expiry-target))
9195 ;; There are expirable articles in this group, so we run them
9196 ;; through the expiry process.
9197 (gnus-message 6 "Expiring articles...")
9198 (unless (gnus-check-group gnus-newsgroup-name)
9199 (error "Can't open server for %s" gnus-newsgroup-name))
9200 ;; The list of articles that weren't expired is returned.
9203 (let ((nnmail-expiry-wait-function nil)
9204 (nnmail-expiry-wait expiry-wait))
9205 (setq es (gnus-request-expire-articles
9206 expirable gnus-newsgroup-name)))
9207 (setq es (gnus-request-expire-articles
9208 expirable gnus-newsgroup-name)))
9210 (setq gnus-newsgroup-expirable es))
9211 ;; We go through the old list of expirable, and mark all
9212 ;; really expired articles as nonexistent.
9213 (unless (eq es expirable) ;If nothing was expired, we don't mark.
9214 (let ((gnus-use-cache nil))
9215 (dolist (article expirable)
9216 (when (and (not (memq article es))
9217 (gnus-data-find article))
9218 (gnus-summary-mark-article article gnus-canceled-mark)
9219 (run-hook-with-args 'gnus-summary-article-expire-hook
9222 (assoc article (gnus-data-list nil)))
9226 (gnus-message 6 "Expiring articles...done")))))
9228 (defun gnus-summary-expire-articles-now ()
9229 "Expunge all expirable articles in the current group.
9230 This means that *all* articles that are marked as expirable will be
9231 deleted forever, right now."
9233 (or gnus-expert-user
9235 "Are you really, really, really sure you want to delete all these messages? ")
9237 (gnus-summary-expire-articles t))
9239 ;; Suggested by Jack Vinson <vinson@unagi.cis.upenn.edu>.
9240 (defun gnus-summary-delete-article (&optional n)
9241 "Delete the N next (mail) articles.
9242 This command actually deletes articles. This is not a marking
9243 command. The article will disappear forever from your life, never to
9246 If N is negative, delete backwards.
9247 If N is nil and articles have been marked with the process mark,
9248 delete these instead.
9250 If `gnus-novice-user' is non-nil you will be asked for
9251 confirmation before the articles are deleted."
9253 (unless (gnus-check-backend-function 'request-expire-articles
9254 gnus-newsgroup-name)
9255 (error "The current newsgroup does not support article deletion"))
9256 (unless (gnus-check-server (gnus-find-method-for-group gnus-newsgroup-name))
9257 (error "Couldn't open server"))
9258 ;; Compute the list of articles to delete.
9259 (let ((articles (sort (copy-sequence (gnus-summary-work-articles n)) '<))
9260 (nnmail-expiry-target 'delete)
9262 (if (and gnus-novice-user
9263 (not (gnus-yes-or-no-p
9264 (format "Do you really want to delete %s forever? "
9265 (if (> (length articles) 1)
9266 (format "these %s articles" (length articles))
9269 ;; Delete the articles.
9270 (setq not-deleted (gnus-request-expire-articles
9271 articles gnus-newsgroup-name 'force))
9273 (gnus-summary-remove-process-mark (car articles))
9274 ;; The backend might not have been able to delete the article
9276 (unless (memq (car articles) not-deleted)
9277 (gnus-summary-mark-article (car articles) gnus-canceled-mark))
9278 (let* ((article (car articles))
9279 (id (mail-header-id (gnus-data-header
9280 (assoc article (gnus-data-list nil))))))
9281 (run-hook-with-args 'gnus-summary-article-delete-hook
9282 'delete id gnus-newsgroup-name nil
9284 (setq articles (cdr articles)))
9286 (gnus-message 4 "Couldn't delete articles %s" not-deleted)))
9287 (gnus-summary-position-point)
9288 (gnus-set-mode-line 'summary)
9291 (defun gnus-summary-edit-article (&optional arg)
9292 "Edit the current article.
9293 This will have permanent effect only in mail groups.
9294 If ARG is nil, edit the decoded articles.
9295 If ARG is 1, edit the raw articles.
9296 If ARG is 2, edit the raw articles even in read-only groups.
9297 If ARG is 3, edit the articles with the current handles.
9298 Otherwise, allow editing of articles even in read-only
9301 (let (force raw current-handles)
9310 (setq current-handles
9311 (and (gnus-buffer-live-p gnus-article-buffer)
9312 (with-current-buffer gnus-article-buffer
9314 gnus-article-mime-handles
9315 (setq gnus-article-mime-handles nil))))))
9318 (when (and raw (not force)
9319 (member gnus-newsgroup-name '("nndraft:delayed"
9322 (error "Can't edit the raw article in group %s"
9323 gnus-newsgroup-name))
9325 (set-buffer gnus-summary-buffer)
9326 (let ((mail-parse-charset gnus-newsgroup-charset)
9327 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets))
9328 (gnus-set-global-variables)
9329 (when (and (not force)
9330 (gnus-group-read-only-p))
9331 (error "The current newsgroup does not support article editing"))
9332 (gnus-summary-show-article t)
9333 (when (and (not raw) (gnus-buffer-live-p gnus-article-buffer))
9334 (with-current-buffer gnus-article-buffer
9335 (mm-enable-multibyte)))
9336 (if (member gnus-newsgroup-name '("nndraft:delayed" "nndraft:drafts"))
9338 (gnus-article-edit-article
9341 (let ((mbl mml-buffer-list))
9342 (setq mml-buffer-list nil)
9343 (mime-to-mml ,'current-handles)
9344 (let ((mbl1 mml-buffer-list))
9345 (setq mml-buffer-list mbl)
9346 (set (make-local-variable 'mml-buffer-list) mbl1))
9347 (gnus-make-local-hook 'kill-buffer-hook)
9348 (add-hook 'kill-buffer-hook 'mml-destroy-buffers t t))))
9349 `(lambda (no-highlight)
9350 (let ((mail-parse-charset ',gnus-newsgroup-charset)
9351 (message-options message-options)
9352 (message-options-set-recipient)
9353 (mail-parse-ignored-charsets
9354 ',gnus-newsgroup-ignored-charsets))
9355 ,(if (not raw) '(progn
9357 (mml-destroy-buffers)
9358 (remove-hook 'kill-buffer-hook
9359 'mml-destroy-buffers t)
9360 (kill-local-variable 'mml-buffer-list)))
9361 (gnus-summary-edit-article-done
9362 ,(or (mail-header-references gnus-current-headers) "")
9363 ,(gnus-group-read-only-p)
9364 ,gnus-summary-buffer no-highlight))))))))
9366 (defalias 'gnus-summary-edit-article-postpone 'gnus-article-edit-exit)
9368 (defun gnus-summary-edit-article-done (&optional references read-only buffer
9370 "Make edits to the current article permanent."
9373 ;; The buffer restriction contains the entire article if it exists.
9374 (when (article-goto-body)
9375 (let ((lines (count-lines (point) (point-max)))
9376 (length (- (point-max) (point)))
9377 (case-fold-search t)
9378 (body (copy-marker (point))))
9379 (goto-char (point-min))
9380 (when (re-search-forward "^content-length:[ \t]\\([0-9]+\\)" body t)
9381 (delete-region (match-beginning 1) (match-end 1))
9382 (insert (number-to-string length)))
9383 (goto-char (point-min))
9384 (when (re-search-forward
9385 "^x-content-length:[ \t]\\([0-9]+\\)" body t)
9386 (delete-region (match-beginning 1) (match-end 1))
9387 (insert (number-to-string length)))
9388 (goto-char (point-min))
9389 (when (re-search-forward "^lines:[ \t]\\([0-9]+\\)" body t)
9390 (delete-region (match-beginning 1) (match-end 1))
9391 (insert (number-to-string lines))))))
9392 ;; Replace the article.
9393 (let ((buf (current-buffer)))
9395 (insert-buffer-substring buf)
9397 (if (and (not read-only)
9398 (not (gnus-request-replace-article
9399 (cdr gnus-article-current) (car gnus-article-current)
9400 (current-buffer) t)))
9401 (error "Couldn't replace article")
9402 ;; Update the summary buffer.
9404 (equal (message-tokenize-header references " ")
9405 (message-tokenize-header
9406 (or (message-fetch-field "references") "") " ")))
9407 ;; We only have to update this line.
9410 (message-narrow-to-head)
9411 (let ((head (buffer-string))
9414 (insert (format "211 %d Article retrieved.\n"
9415 (cdr gnus-article-current)))
9418 (let ((nntp-server-buffer (current-buffer)))
9419 (setq header (car (gnus-get-newsgroup-headers
9422 (set-buffer gnus-summary-buffer)
9423 (gnus-data-set-header
9424 (gnus-data-find (cdr gnus-article-current))
9426 (gnus-summary-update-article-line
9427 (cdr gnus-article-current) header)
9428 (if (gnus-summary-goto-subject
9429 (cdr gnus-article-current) nil t)
9430 (gnus-summary-update-secondary-mark
9431 (cdr gnus-article-current))))))))
9433 (set-buffer (or buffer gnus-summary-buffer))
9434 (gnus-summary-update-article (cdr gnus-article-current))
9435 (if (gnus-summary-goto-subject (cdr gnus-article-current) nil t)
9436 (gnus-summary-update-secondary-mark
9437 (cdr gnus-article-current))))
9438 ;; Prettify the article buffer again.
9439 (unless no-highlight
9441 (set-buffer gnus-article-buffer)
9442 ;;;!!! Fix this -- article should be rehighlighted.
9443 ;;;(gnus-run-hooks 'gnus-article-display-hook)
9444 (set-buffer gnus-original-article-buffer)
9445 (gnus-request-article
9446 (cdr gnus-article-current)
9447 (car gnus-article-current) (current-buffer))))
9448 ;; Prettify the summary buffer line.
9449 (when (gnus-visual-p 'summary-highlight 'highlight)
9450 (gnus-run-hooks 'gnus-visual-mark-article-hook))))))
9452 (defun gnus-summary-edit-wash (key)
9453 "Perform editing command KEY in the article buffer."
9457 (message "%s" (concat (this-command-keys) "- "))
9460 (gnus-summary-edit-article)
9461 (execute-kbd-macro (concat (this-command-keys) key))
9462 (gnus-article-edit-done))
9466 (defun gnus-summary-respool-query (&optional silent trace)
9467 "Query where the respool algorithm would put this article."
9469 (let (gnus-mark-article-hook)
9470 (gnus-summary-select-article)
9472 (set-buffer gnus-original-article-buffer)
9474 (message-narrow-to-head)
9475 (let ((groups (nnmail-article-group 'identity trace)))
9478 (message "This message would go to %s"
9479 (mapconcat 'car groups ", "))
9480 (message "This message would go to no groups"))
9483 (defun gnus-summary-respool-trace ()
9484 "Trace where the respool algorithm would put this article.
9485 Display a buffer showing all fancy splitting patterns which matched."
9487 (gnus-summary-respool-query nil t))
9489 ;; Summary marking commands.
9491 (defun gnus-summary-kill-same-subject-and-select (&optional unmark)
9492 "Mark articles which has the same subject as read, and then select the next.
9493 If UNMARK is positive, remove any kind of mark.
9494 If UNMARK is negative, tick articles."
9497 (setq unmark (prefix-numeric-value unmark)))
9499 (gnus-summary-mark-same-subject
9500 (gnus-summary-article-subject) unmark)))
9501 ;; Select next unread article. If auto-select-same mode, should
9502 ;; select the first unread article.
9503 (gnus-summary-next-article t (and gnus-auto-select-same
9504 (gnus-summary-article-subject)))
9505 (gnus-message 7 "%d article%s marked as %s"
9506 count (if (= count 1) " is" "s are")
9507 (if unmark "unread" "read"))))
9509 (defun gnus-summary-kill-same-subject (&optional unmark)
9510 "Mark articles which has the same subject as read.
9511 If UNMARK is positive, remove any kind of mark.
9512 If UNMARK is negative, tick articles."
9515 (setq unmark (prefix-numeric-value unmark)))
9517 (gnus-summary-mark-same-subject
9518 (gnus-summary-article-subject) unmark)))
9519 ;; If marked as read, go to next unread subject.
9521 ;; Go to next unread subject.
9522 (gnus-summary-next-subject 1 t))
9523 (gnus-message 7 "%d articles are marked as %s"
9524 count (if unmark "unread" "read"))))
9526 (defun gnus-summary-mark-same-subject (subject &optional unmark)
9527 "Mark articles with same SUBJECT as read, and return marked number.
9528 If optional argument UNMARK is positive, remove any kinds of marks.
9529 If optional argument UNMARK is negative, mark articles as unread instead."
9533 ((null unmark) ; Mark as read.
9536 (gnus-summary-mark-article-as-read gnus-killed-mark)
9537 (gnus-summary-show-thread) t)
9538 (gnus-summary-find-subject subject))
9539 (setq count (1+ count))))
9540 ((> unmark 0) ; Tick.
9543 (gnus-summary-mark-article-as-unread gnus-ticked-mark)
9544 (gnus-summary-show-thread) t)
9545 (gnus-summary-find-subject subject))
9546 (setq count (1+ count))))
9547 (t ; Mark as unread.
9550 (gnus-summary-mark-article-as-unread gnus-unread-mark)
9551 (gnus-summary-show-thread) t)
9552 (gnus-summary-find-subject subject))
9553 (setq count (1+ count)))))
9554 (gnus-set-mode-line 'summary)
9555 ;; Return the number of marked articles.
9558 (defun gnus-summary-mark-as-processable (n &optional unmark)
9559 "Set the process mark on the next N articles.
9560 If N is negative, mark backward instead. If UNMARK is non-nil, remove
9561 the process mark instead. The difference between N and the actual
9562 number of articles marked is returned."
9564 (if (and (null n) (gnus-region-active-p))
9565 (gnus-uu-mark-region (region-beginning) (region-end) unmark)
9566 (setq n (prefix-numeric-value n))
9567 (let ((backward (< n 0))
9572 (gnus-summary-remove-process-mark
9573 (gnus-summary-article-number))
9574 (gnus-summary-set-process-mark (gnus-summary-article-number)))
9575 (zerop (gnus-summary-next-subject (if backward -1 1) nil t)))
9578 (gnus-message 7 "No more articles"))
9579 (gnus-summary-recenter)
9580 (gnus-summary-position-point)
9583 (defun gnus-summary-unmark-as-processable (n)
9584 "Remove the process mark from the next N articles.
9585 If N is negative, unmark backward instead. The difference between N and
9586 the actual number of articles unmarked is returned."
9588 (gnus-summary-mark-as-processable n t))
9590 (defun gnus-summary-unmark-all-processable ()
9591 "Remove the process mark from all articles."
9594 (while gnus-newsgroup-processable
9595 (gnus-summary-remove-process-mark (car gnus-newsgroup-processable))))
9596 (gnus-summary-position-point))
9598 (defun gnus-summary-add-mark (article type)
9599 "Mark ARTICLE with a mark of TYPE."
9600 (let ((vtype (car (assq type gnus-article-mark-lists)))
9603 (error "No such mark type: %s" type)
9604 (setq var (intern (format "gnus-newsgroup-%s" type)))
9605 (set var (cons article (symbol-value var)))
9606 (if (memq type '(processable cached replied forwarded recent saved))
9607 (gnus-summary-update-secondary-mark article)
9608 ;;; !!! This is bogus. We should find out what primary
9609 ;;; !!! mark we want to set.
9610 (gnus-summary-update-mark gnus-del-mark 'unread)))))
9612 (defun gnus-summary-mark-as-expirable (n)
9613 "Mark N articles forward as expirable.
9614 If N is negative, mark backward instead. The difference between N and
9615 the actual number of articles marked is returned."
9617 (gnus-summary-mark-forward n gnus-expirable-mark))
9619 (defun gnus-summary-mark-as-spam (n)
9620 "Mark N articles forward as spam.
9621 If N is negative, mark backward instead. The difference between N and
9622 the actual number of articles marked is returned."
9624 (gnus-summary-mark-forward n gnus-spam-mark))
9626 (defun gnus-summary-mark-article-as-replied (article)
9627 "Mark ARTICLE as replied to and update the summary line.
9628 ARTICLE can also be a list of articles."
9629 (interactive (list (gnus-summary-article-number)))
9630 (let ((articles (if (listp article) article (list article))))
9631 (dolist (article articles)
9632 (unless (numberp article)
9633 (error "%s is not a number" article))
9634 (push article gnus-newsgroup-replied)
9635 (let ((buffer-read-only nil))
9636 (when (gnus-summary-goto-subject article nil t)
9637 (gnus-summary-update-secondary-mark article))))))
9639 (defun gnus-summary-mark-article-as-forwarded (article)
9640 "Mark ARTICLE as forwarded and update the summary line.
9641 ARTICLE can also be a list of articles."
9642 (let ((articles (if (listp article) article (list article))))
9643 (dolist (article articles)
9644 (push article gnus-newsgroup-forwarded)
9645 (let ((buffer-read-only nil))
9646 (when (gnus-summary-goto-subject article nil t)
9647 (gnus-summary-update-secondary-mark article))))))
9649 (defun gnus-summary-set-bookmark (article)
9650 "Set a bookmark in current article."
9651 (interactive (list (gnus-summary-article-number)))
9652 (when (or (not (get-buffer gnus-article-buffer))
9653 (not gnus-current-article)
9654 (not gnus-article-current)
9655 (not (equal gnus-newsgroup-name (car gnus-article-current))))
9656 (error "No current article selected"))
9657 ;; Remove old bookmark, if one exists.
9658 (gnus-pull article gnus-newsgroup-bookmarks)
9659 ;; Set the new bookmark, which is on the form
9660 ;; (article-number . line-number-in-body).
9664 (set-buffer gnus-article-buffer)
9671 gnus-newsgroup-bookmarks)
9672 (gnus-message 6 "A bookmark has been added to the current article."))
9674 (defun gnus-summary-remove-bookmark (article)
9675 "Remove the bookmark from the current article."
9676 (interactive (list (gnus-summary-article-number)))
9677 ;; Remove old bookmark, if one exists.
9678 (if (not (assq article gnus-newsgroup-bookmarks))
9679 (gnus-message 6 "No bookmark in current article.")
9680 (gnus-pull article gnus-newsgroup-bookmarks)
9681 (gnus-message 6 "Removed bookmark.")))
9683 ;; Suggested by Daniel Quinlan <quinlan@best.com>.
9684 (defun gnus-summary-mark-as-dormant (n)
9685 "Mark N articles forward as dormant.
9686 If N is negative, mark backward instead. The difference between N and
9687 the actual number of articles marked is returned."
9689 (gnus-summary-mark-forward n gnus-dormant-mark))
9691 (defun gnus-summary-set-process-mark (article)
9692 "Set the process mark on ARTICLE and update the summary line."
9693 (setq gnus-newsgroup-processable
9695 (delq article gnus-newsgroup-processable)))
9696 (when (gnus-summary-goto-subject article)
9697 (gnus-summary-show-thread)
9698 (gnus-summary-goto-subject article)
9699 (gnus-summary-update-secondary-mark article)))
9701 (defun gnus-summary-remove-process-mark (article)
9702 "Remove the process mark from ARTICLE and update the summary line."
9703 (setq gnus-newsgroup-processable (delq article gnus-newsgroup-processable))
9704 (when (gnus-summary-goto-subject article)
9705 (gnus-summary-show-thread)
9706 (gnus-summary-goto-subject article)
9707 (gnus-summary-update-secondary-mark article)))
9709 (defun gnus-summary-set-saved-mark (article)
9710 "Set the process mark on ARTICLE and update the summary line."
9711 (push article gnus-newsgroup-saved)
9712 (when (gnus-summary-goto-subject article)
9713 (gnus-summary-update-secondary-mark article)))
9715 (defun gnus-summary-mark-forward (n &optional mark no-expire)
9716 "Mark N articles as read forwards.
9717 If N is negative, mark backwards instead. Mark with MARK, ?r by default.
9718 The difference between N and the actual number of articles marked is
9720 If NO-EXPIRE, auto-expiry will be inhibited."
9722 (gnus-summary-show-thread)
9723 (let ((backward (< n 0))
9724 (gnus-summary-goto-unread
9725 (and gnus-summary-goto-unread
9726 (not (eq gnus-summary-goto-unread 'never))
9727 (not (memq mark (list gnus-unread-mark gnus-spam-mark
9728 gnus-ticked-mark gnus-dormant-mark)))))
9730 (mark (or mark gnus-del-mark)))
9732 (gnus-summary-mark-article nil mark no-expire)
9733 (zerop (gnus-summary-next-subject
9735 (and gnus-summary-goto-unread
9736 (not (eq gnus-summary-goto-unread 'never)))
9740 (gnus-message 7 "No more %sarticles" (if mark "" "unread ")))
9741 (gnus-summary-recenter)
9742 (gnus-summary-position-point)
9743 (gnus-set-mode-line 'summary)
9746 (defun gnus-summary-mark-article-as-read (mark)
9747 "Mark the current article quickly as read with MARK."
9748 (let ((article (gnus-summary-article-number)))
9749 (setq gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
9750 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
9751 (setq gnus-newsgroup-spam-marked (delq article gnus-newsgroup-spam-marked))
9752 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
9753 (push (cons article mark) gnus-newsgroup-reads)
9754 ;; Possibly remove from cache, if that is used.
9755 (when gnus-use-cache
9756 (gnus-cache-enter-remove-article article))
9757 ;; Allow the backend to change the mark.
9758 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
9759 ;; Check for auto-expiry.
9760 (when (and gnus-newsgroup-auto-expire
9761 (memq mark gnus-auto-expirable-marks))
9762 (setq mark gnus-expirable-mark)
9763 ;; Let the backend know about the mark change.
9764 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
9765 (push article gnus-newsgroup-expirable))
9766 ;; Set the mark in the buffer.
9767 (gnus-summary-update-mark mark 'unread)
9770 (defun gnus-summary-mark-article-as-unread (mark)
9771 "Mark the current article quickly as unread with MARK."
9772 (let* ((article (gnus-summary-article-number))
9773 (old-mark (gnus-summary-article-mark article)))
9774 ;; Allow the backend to change the mark.
9775 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
9776 (if (eq mark old-mark)
9780 (gnus-error 1 "Can't mark negative article numbers")
9782 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
9783 (setq gnus-newsgroup-spam-marked
9784 (delq article gnus-newsgroup-spam-marked))
9785 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
9786 (setq gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable))
9787 (setq gnus-newsgroup-reads (delq article gnus-newsgroup-reads))
9788 (cond ((= mark gnus-ticked-mark)
9789 (setq gnus-newsgroup-marked
9790 (gnus-add-to-sorted-list gnus-newsgroup-marked
9792 ((= mark gnus-spam-mark)
9793 (setq gnus-newsgroup-spam-marked
9794 (gnus-add-to-sorted-list gnus-newsgroup-spam-marked
9796 ((= mark gnus-dormant-mark)
9797 (setq gnus-newsgroup-dormant
9798 (gnus-add-to-sorted-list gnus-newsgroup-dormant
9801 (setq gnus-newsgroup-unreads
9802 (gnus-add-to-sorted-list gnus-newsgroup-unreads
9804 (gnus-pull article gnus-newsgroup-reads)
9806 ;; See whether the article is to be put in the cache.
9808 (vectorp (gnus-summary-article-header article))
9810 (gnus-cache-possibly-enter-article
9811 gnus-newsgroup-name article
9812 (= mark gnus-ticked-mark)
9813 (= mark gnus-dormant-mark) (= mark gnus-unread-mark))))
9816 (gnus-summary-update-mark mark 'unread)
9819 (defun gnus-summary-mark-article (&optional article mark no-expire)
9820 "Mark ARTICLE with MARK. MARK can be any character.
9821 Four MARK strings are reserved: `? ' (unread), `?!' (ticked),
9822 `??' (dormant) and `?E' (expirable).
9823 If MARK is nil, then the default character `?r' is used.
9824 If ARTICLE is nil, then the article on the current line will be
9826 If NO-EXPIRE, auto-expiry will be inhibited."
9827 ;; The mark might be a string.
9828 (when (stringp mark)
9829 (setq mark (aref mark 0)))
9830 ;; If no mark is given, then we check auto-expiring.
9832 (setq mark gnus-del-mark))
9833 (when (and (not no-expire)
9834 gnus-newsgroup-auto-expire
9835 (memq mark gnus-auto-expirable-marks))
9836 (setq mark gnus-expirable-mark))
9837 (let ((article (or article (gnus-summary-article-number)))
9838 (old-mark (gnus-summary-article-mark article)))
9839 ;; Allow the backend to change the mark.
9840 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
9841 (if (eq mark old-mark)
9844 (error "No article on current line"))
9845 (if (not (if (or (= mark gnus-unread-mark)
9846 (= mark gnus-ticked-mark)
9847 (= mark gnus-spam-mark)
9848 (= mark gnus-dormant-mark))
9849 (gnus-mark-article-as-unread article mark)
9850 (gnus-mark-article-as-read article mark)))
9852 ;; See whether the article is to be put in the cache.
9854 (not (= mark gnus-canceled-mark))
9855 (vectorp (gnus-summary-article-header article))
9857 (gnus-cache-possibly-enter-article
9858 gnus-newsgroup-name article
9859 (= mark gnus-ticked-mark)
9860 (= mark gnus-dormant-mark) (= mark gnus-unread-mark))))
9862 (when (gnus-summary-goto-subject article nil t)
9863 (let ((buffer-read-only nil))
9864 (gnus-summary-show-thread)
9866 (gnus-summary-update-mark mark 'unread)
9869 (defun gnus-summary-update-secondary-mark (article)
9870 "Update the secondary (read, process, cache) mark."
9871 (gnus-summary-update-mark
9872 (cond ((memq article gnus-newsgroup-processable)
9874 ((memq article gnus-newsgroup-cached)
9876 ((memq article gnus-newsgroup-replied)
9878 ((memq article gnus-newsgroup-forwarded)
9879 gnus-forwarded-mark)
9880 ((memq article gnus-newsgroup-saved)
9882 ((memq article gnus-newsgroup-recent)
9884 ((memq article gnus-newsgroup-unseen)
9888 (when (gnus-visual-p 'summary-highlight 'highlight)
9889 (gnus-run-hooks 'gnus-summary-update-hook))
9892 (defun gnus-summary-update-download-mark (article)
9893 "Update the download mark."
9894 (gnus-summary-update-mark
9895 (cond ((memq article gnus-newsgroup-undownloaded)
9896 gnus-undownloaded-mark)
9897 (gnus-newsgroup-agentized
9898 gnus-downloaded-mark)
9902 (gnus-summary-update-line t)
9905 (defun gnus-summary-update-mark (mark type)
9906 (let ((forward (cdr (assq type gnus-summary-mark-positions)))
9907 (buffer-read-only nil))
9908 (re-search-backward "[\n\r]" (gnus-point-at-bol) 'move-to-limit)
9910 (when (looking-at "\r")
9912 (when (<= (+ forward (point)) (point-max))
9913 ;; Go to the right position on the line.
9914 (goto-char (+ forward (point)))
9915 ;; Replace the old mark with the new mark.
9916 (subst-char-in-region (point) (1+ (point)) (char-after) mark)
9917 ;; Optionally update the marks by some user rule.
9918 (when (eq type 'unread)
9920 (gnus-data-find (gnus-summary-article-number)) mark)
9921 (gnus-summary-update-line (eq mark gnus-unread-mark)))))))
9923 (defun gnus-mark-article-as-read (article &optional mark)
9924 "Enter ARTICLE in the pertinent lists and remove it from others."
9925 ;; Make the article expirable.
9926 (let ((mark (or mark gnus-del-mark)))
9927 (setq gnus-newsgroup-expirable
9928 (if (= mark gnus-expirable-mark)
9929 (gnus-add-to-sorted-list gnus-newsgroup-expirable article)
9930 (delq article gnus-newsgroup-expirable)))
9931 ;; Remove from unread and marked lists.
9932 (setq gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
9933 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
9934 (setq gnus-newsgroup-spam-marked (delq article gnus-newsgroup-spam-marked))
9935 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
9936 (push (cons article mark) gnus-newsgroup-reads)
9937 ;; Possibly remove from cache, if that is used.
9938 (when gnus-use-cache
9939 (gnus-cache-enter-remove-article article))
9942 (defun gnus-mark-article-as-unread (article &optional mark)
9943 "Enter ARTICLE in the pertinent lists and remove it from others."
9944 (let ((mark (or mark gnus-ticked-mark)))
9947 (gnus-error 1 "Can't mark negative article numbers")
9949 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked)
9950 gnus-newsgroup-spam-marked (delq article gnus-newsgroup-spam-marked)
9951 gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant)
9952 gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable)
9953 gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
9955 ;; Unsuppress duplicates?
9956 (when gnus-suppress-duplicates
9957 (gnus-dup-unsuppress-article article))
9959 (cond ((= mark gnus-ticked-mark)
9960 (setq gnus-newsgroup-marked
9961 (gnus-add-to-sorted-list gnus-newsgroup-marked article)))
9962 ((= mark gnus-spam-mark)
9963 (setq gnus-newsgroup-spam-marked
9964 (gnus-add-to-sorted-list gnus-newsgroup-spam-marked
9966 ((= mark gnus-dormant-mark)
9967 (setq gnus-newsgroup-dormant
9968 (gnus-add-to-sorted-list gnus-newsgroup-dormant article)))
9970 (setq gnus-newsgroup-unreads
9971 (gnus-add-to-sorted-list gnus-newsgroup-unreads article))))
9972 (gnus-pull article gnus-newsgroup-reads)
9975 (defalias 'gnus-summary-mark-as-unread-forward
9976 'gnus-summary-tick-article-forward)
9977 (make-obsolete 'gnus-summary-mark-as-unread-forward
9978 'gnus-summary-tick-article-forward)
9979 (defun gnus-summary-tick-article-forward (n)
9980 "Tick N articles forwards.
9981 If N is negative, tick backwards instead.
9982 The difference between N and the number of articles ticked is returned."
9984 (gnus-summary-mark-forward n gnus-ticked-mark))
9986 (defalias 'gnus-summary-mark-as-unread-backward
9987 'gnus-summary-tick-article-backward)
9988 (make-obsolete 'gnus-summary-mark-as-unread-backward
9989 'gnus-summary-tick-article-backward)
9990 (defun gnus-summary-tick-article-backward (n)
9991 "Tick N articles backwards.
9992 The difference between N and the number of articles ticked is returned."
9994 (gnus-summary-mark-forward (- n) gnus-ticked-mark))
9996 (defalias 'gnus-summary-mark-as-unread 'gnus-summary-tick-article)
9997 (make-obsolete 'gnus-summary-mark-as-unread 'gnus-summary-tick-article)
9998 (defun gnus-summary-tick-article (&optional article clear-mark)
9999 "Mark current article as unread.
10000 Optional 1st argument ARTICLE specifies article number to be marked as unread.
10001 Optional 2nd argument CLEAR-MARK remove any kinds of mark."
10003 (gnus-summary-mark-article article (if clear-mark gnus-unread-mark
10004 gnus-ticked-mark)))
10006 (defun gnus-summary-mark-as-read-forward (n)
10007 "Mark N articles as read forwards.
10008 If N is negative, mark backwards instead.
10009 The difference between N and the actual number of articles marked is
10012 (gnus-summary-mark-forward n gnus-del-mark gnus-inhibit-user-auto-expire))
10014 (defun gnus-summary-mark-as-read-backward (n)
10015 "Mark the N articles as read backwards.
10016 The difference between N and the actual number of articles marked is
10019 (gnus-summary-mark-forward
10020 (- n) gnus-del-mark gnus-inhibit-user-auto-expire))
10022 (defun gnus-summary-mark-as-read (&optional article mark)
10023 "Mark current article as read.
10024 ARTICLE specifies the article to be marked as read.
10025 MARK specifies a string to be inserted at the beginning of the line."
10026 (gnus-summary-mark-article article mark))
10028 (defun gnus-summary-clear-mark-forward (n)
10029 "Clear marks from N articles forward.
10030 If N is negative, clear backward instead.
10031 The difference between N and the number of marks cleared is returned."
10033 (gnus-summary-mark-forward n gnus-unread-mark))
10035 (defun gnus-summary-clear-mark-backward (n)
10036 "Clear marks from N articles backward.
10037 The difference between N and the number of marks cleared is returned."
10039 (gnus-summary-mark-forward (- n) gnus-unread-mark))
10041 (defun gnus-summary-mark-unread-as-read ()
10042 "Intended to be used by `gnus-summary-mark-article-hook'."
10043 (when (memq gnus-current-article gnus-newsgroup-unreads)
10044 (gnus-summary-mark-article gnus-current-article gnus-read-mark)))
10046 (defun gnus-summary-mark-read-and-unread-as-read (&optional new-mark)
10047 "Intended to be used by `gnus-summary-mark-article-hook'."
10048 (let ((mark (gnus-summary-article-mark)))
10049 (when (or (gnus-unread-mark-p mark)
10050 (gnus-read-mark-p mark))
10051 (gnus-summary-mark-article gnus-current-article
10052 (or new-mark gnus-read-mark)))))
10054 (defun gnus-summary-mark-current-read-and-unread-as-read (&optional new-mark)
10055 "Intended to be used by `gnus-summary-mark-article-hook'."
10056 (let ((mark (gnus-summary-article-mark)))
10057 (when (or (gnus-unread-mark-p mark)
10058 (gnus-read-mark-p mark))
10059 (gnus-summary-mark-article (gnus-summary-article-number)
10060 (or new-mark gnus-read-mark)))))
10062 (defun gnus-summary-mark-unread-as-ticked ()
10063 "Intended to be used by `gnus-summary-mark-article-hook'."
10064 (when (memq gnus-current-article gnus-newsgroup-unreads)
10065 (gnus-summary-mark-article gnus-current-article gnus-ticked-mark)))
10067 (defun gnus-summary-mark-region-as-read (point mark all)
10068 "Mark all unread articles between point and mark as read.
10069 If given a prefix, mark all articles between point and mark as read,
10070 even ticked and dormant ones."
10071 (interactive "r\nP")
10075 (beginning-of-line)
10080 (memq (setq article (gnus-summary-article-number))
10081 gnus-newsgroup-unreads))
10082 (gnus-summary-mark-article article gnus-del-mark))
10084 (gnus-summary-find-next))))))
10086 (defun gnus-summary-mark-below (score mark)
10087 "Mark articles with score less than SCORE with MARK."
10088 (interactive "P\ncMark: ")
10089 (setq score (if score
10090 (prefix-numeric-value score)
10091 (or gnus-summary-default-score 0)))
10093 (set-buffer gnus-summary-buffer)
10094 (goto-char (point-min))
10097 (and (< (gnus-summary-article-score) score)
10098 (gnus-summary-mark-article nil mark))
10099 (gnus-summary-find-next)))))
10101 (defun gnus-summary-kill-below (&optional score)
10102 "Mark articles with score below SCORE as read."
10104 (gnus-summary-mark-below score gnus-killed-mark))
10106 (defun gnus-summary-clear-above (&optional score)
10107 "Clear all marks from articles with score above SCORE."
10109 (gnus-summary-mark-above score gnus-unread-mark))
10111 (defun gnus-summary-tick-above (&optional score)
10112 "Tick all articles with score above SCORE."
10114 (gnus-summary-mark-above score gnus-ticked-mark))
10116 (defun gnus-summary-mark-above (score mark)
10117 "Mark articles with score over SCORE with MARK."
10118 (interactive "P\ncMark: ")
10119 (setq score (if score
10120 (prefix-numeric-value score)
10121 (or gnus-summary-default-score 0)))
10123 (set-buffer gnus-summary-buffer)
10124 (goto-char (point-min))
10126 (when (> (gnus-summary-article-score) score)
10127 (gnus-summary-mark-article nil mark))
10129 (gnus-summary-find-next)))))
10131 ;; Suggested by Daniel Quinlan <quinlan@best.com>.
10132 (defalias 'gnus-summary-show-all-expunged 'gnus-summary-limit-include-expunged)
10133 (defun gnus-summary-limit-include-expunged (&optional no-error)
10134 "Display all the hidden articles that were expunged for low scores."
10136 (let ((buffer-read-only nil))
10137 (let ((scored gnus-newsgroup-scored)
10140 (unless (gnus-summary-article-header (caar scored))
10141 (and (setq h (gnus-number-to-header (caar scored)))
10142 (< (cdar scored) gnus-summary-expunge-below)
10144 (setq scored (cdr scored)))
10146 (when (not no-error)
10147 (error "No expunged articles hidden"))
10148 (goto-char (point-min))
10149 (push gnus-newsgroup-limit gnus-newsgroup-limits)
10150 (setq gnus-newsgroup-limit (copy-sequence gnus-newsgroup-limit))
10151 (mapcar (lambda (x) (push (mail-header-number x)
10152 gnus-newsgroup-limit))
10154 (gnus-summary-prepare-unthreaded (nreverse headers))
10155 (goto-char (point-min))
10156 (gnus-summary-position-point)
10159 (defun gnus-summary-catchup (&optional all quietly to-here not-mark reverse)
10160 "Mark all unread articles in this newsgroup as read.
10161 If prefix argument ALL is non-nil, ticked and dormant articles will
10162 also be marked as read.
10163 If QUIETLY is non-nil, no questions will be asked.
10165 If TO-HERE is non-nil, it should be a point in the buffer. All
10166 articles before (after, if REVERSE is set) this point will be marked
10169 Note that this function will only catch up the unread article
10170 in the current summary buffer limitation.
10172 The number of articles marked as read is returned."
10177 (not gnus-interactive-catchup) ;Without confirmation?
10181 "Mark absolutely all articles as read? "
10182 "Mark all unread articles as read? ")))
10184 (not gnus-newsgroup-adaptive)
10185 (not gnus-newsgroup-auto-expire)
10186 (not gnus-suppress-duplicates)
10187 (or (not gnus-use-cache)
10188 (eq gnus-use-cache 'passive)))
10191 (setq gnus-newsgroup-marked nil
10192 gnus-newsgroup-spam-marked nil
10193 gnus-newsgroup-dormant nil))
10194 (setq gnus-newsgroup-unreads
10195 (gnus-sorted-nunion
10196 (gnus-intersection gnus-newsgroup-unreads
10197 gnus-newsgroup-downloadable)
10198 gnus-newsgroup-unfetched)))
10199 ;; We actually mark all articles as canceled, which we
10200 ;; have to do when using auto-expiry or adaptive scoring.
10201 (gnus-summary-show-all-threads)
10202 (if (and to-here reverse)
10204 (goto-char to-here)
10205 (gnus-summary-mark-current-read-and-unread-as-read
10207 (while (gnus-summary-find-next (not all))
10208 (gnus-summary-mark-article-as-read gnus-catchup-mark)))
10209 (when (gnus-summary-first-subject (not all))
10211 (if to-here (< (point) to-here) t)
10212 (gnus-summary-mark-article-as-read gnus-catchup-mark)
10213 (gnus-summary-find-next (not all))))))
10214 (gnus-set-mode-line 'summary))
10216 (gnus-summary-position-point)))
10218 (defun gnus-summary-catchup-to-here (&optional all)
10219 "Mark all unticked articles before the current one as read.
10220 If ALL is non-nil, also mark ticked and dormant articles as read."
10223 (gnus-save-hidden-threads
10224 (let ((beg (point)))
10225 ;; We check that there are unread articles.
10226 (when (or all (gnus-summary-find-prev))
10227 (gnus-summary-catchup all t beg)))))
10228 (gnus-summary-position-point))
10230 (defun gnus-summary-catchup-from-here (&optional all)
10231 "Mark all unticked articles after (and including) the current one as read.
10232 If ALL is non-nil, also mark ticked and dormant articles as read."
10235 (gnus-save-hidden-threads
10236 (let ((beg (point)))
10237 ;; We check that there are unread articles.
10238 (when (or all (gnus-summary-find-next))
10239 (gnus-summary-catchup all t beg nil t)))))
10240 (gnus-summary-position-point))
10242 (defun gnus-summary-catchup-all (&optional quietly)
10243 "Mark all articles in this newsgroup as read.
10244 This command is dangerous. Normally, you want \\[gnus-summary-catchup]
10245 instead, which marks only unread articles as read."
10247 (gnus-summary-catchup t quietly))
10249 (defun gnus-summary-catchup-and-exit (&optional all quietly)
10250 "Mark all unread articles in this group as read, then exit.
10251 If prefix argument ALL is non-nil, all articles are marked as read.
10252 If QUIETLY is non-nil, no questions will be asked."
10254 (when (gnus-summary-catchup all quietly nil 'fast)
10255 ;; Select next newsgroup or exit.
10256 (if (and (not (gnus-group-quit-config gnus-newsgroup-name))
10257 (eq gnus-auto-select-next 'quietly))
10258 (gnus-summary-next-group nil)
10259 (gnus-summary-exit))))
10261 (defun gnus-summary-catchup-all-and-exit (&optional quietly)
10262 "Mark all articles in this newsgroup as read, and then exit.
10263 This command is dangerous. Normally, you want \\[gnus-summary-catchup-and-exit]
10264 instead, which marks only unread articles as read."
10266 (gnus-summary-catchup-and-exit t quietly))
10268 (defun gnus-summary-catchup-and-goto-next-group (&optional all)
10269 "Mark all articles in this group as read and select the next group.
10270 If given a prefix, mark all articles, unread as well as ticked, as
10274 (gnus-summary-catchup all))
10275 (gnus-summary-next-group))
10281 (defmacro gnus-with-article (article &rest forms)
10282 "Select ARTICLE and perform FORMS in the original article buffer.
10283 Then replace the article with the result."
10285 ;; We don't want the article to be marked as read.
10286 (let (gnus-mark-article-hook)
10287 (gnus-summary-select-article t t nil ,article))
10288 (set-buffer gnus-original-article-buffer)
10290 (if (not (gnus-check-backend-function
10291 'request-replace-article (car gnus-article-current)))
10292 (gnus-message 5 "Read-only group; not replacing")
10293 (unless (gnus-request-replace-article
10294 ,article (car gnus-article-current)
10295 (current-buffer) t)
10296 (error "Couldn't replace article")))
10297 ;; The cache and backlog have to be flushed somewhat.
10298 (when gnus-keep-backlog
10299 (gnus-backlog-remove-article
10300 (car gnus-article-current) (cdr gnus-article-current)))
10301 (when gnus-use-cache
10302 (gnus-cache-update-article
10303 (car gnus-article-current) (cdr gnus-article-current)))))
10305 (put 'gnus-with-article 'lisp-indent-function 1)
10306 (put 'gnus-with-article 'edebug-form-spec '(form body))
10308 ;; Thread-based commands.
10310 (defun gnus-summary-articles-in-thread (&optional article)
10311 "Return a list of all articles in the current thread.
10312 If ARTICLE is non-nil, return all articles in the thread that starts
10313 with that article."
10314 (let* ((article (or article (gnus-summary-article-number)))
10315 (data (gnus-data-find-list article))
10316 (top-level (gnus-data-level (car data)))
10318 (cond ((null gnus-thread-operation-ignore-subject)
10319 (gnus-simplify-subject-re
10320 (mail-header-subject (gnus-data-header (car data)))))
10321 ((eq gnus-thread-operation-ignore-subject 'fuzzy)
10322 (gnus-simplify-subject-fuzzy
10323 (mail-header-subject (gnus-data-header (car data)))))
10325 (end-point (save-excursion
10326 (if (gnus-summary-go-to-next-thread)
10327 (point) (point-max))))
10330 (< (gnus-data-pos (car data)) end-point))
10331 (when (or (not top-subject)
10332 (string= top-subject
10333 (if (eq gnus-thread-operation-ignore-subject 'fuzzy)
10334 (gnus-simplify-subject-fuzzy
10335 (mail-header-subject
10336 (gnus-data-header (car data))))
10337 (gnus-simplify-subject-re
10338 (mail-header-subject
10339 (gnus-data-header (car data)))))))
10340 (push (gnus-data-number (car data)) articles))
10341 (unless (and (setq data (cdr data))
10342 (> (gnus-data-level (car data)) top-level))
10344 ;; Return the list of articles.
10345 (nreverse articles)))
10347 (defun gnus-summary-rethread-current ()
10348 "Rethread the thread the current article is part of."
10350 (let* ((gnus-show-threads t)
10351 (article (gnus-summary-article-number))
10352 (id (mail-header-id (gnus-summary-article-header)))
10353 (gnus-newsgroup-threads (list (gnus-id-to-thread (gnus-root-id id)))))
10355 (error "No article on the current line"))
10356 (gnus-rebuild-thread id)
10357 (gnus-summary-goto-subject article)))
10359 (defun gnus-summary-reparent-thread ()
10360 "Make the current article child of the marked (or previous) article.
10362 Note that the re-threading will only work if `gnus-thread-ignore-subject'
10363 is non-nil or the Subject: of both articles are the same."
10365 (unless (not (gnus-group-read-only-p))
10366 (error "The current newsgroup does not support article editing"))
10367 (unless (<= (length gnus-newsgroup-processable) 1)
10368 (error "No more than one article may be marked"))
10369 (save-window-excursion
10370 (let ((gnus-article-buffer " *reparent*")
10371 (current-article (gnus-summary-article-number))
10372 ;; First grab the marked article, otherwise one line up.
10373 (parent-article (if (not (null gnus-newsgroup-processable))
10374 (car gnus-newsgroup-processable)
10376 (if (eq (forward-line -1) 0)
10377 (gnus-summary-article-number)
10378 (error "Beginning of summary buffer"))))))
10379 (unless (not (eq current-article parent-article))
10380 (error "An article may not be self-referential"))
10381 (let ((message-id (mail-header-id
10382 (gnus-summary-article-header parent-article))))
10383 (unless (and message-id (not (equal message-id "")))
10384 (error "No message-id in desired parent"))
10385 (gnus-with-article current-article
10387 (goto-char (point-min))
10388 (message-narrow-to-head)
10389 (if (re-search-forward "^References: " nil t)
10391 (re-search-forward "^[^ \t]" nil t)
10394 (insert " " message-id))
10395 (insert "References: " message-id "\n"))))
10396 (set-buffer gnus-summary-buffer)
10397 (gnus-summary-unmark-all-processable)
10398 (gnus-summary-update-article current-article)
10399 (if (gnus-summary-goto-subject (cdr gnus-article-current) nil t)
10400 (gnus-summary-update-secondary-mark (cdr gnus-article-current)))
10401 (gnus-summary-rethread-current)
10402 (gnus-message 3 "Article %d is now the child of article %d"
10403 current-article parent-article)))))
10405 (defun gnus-summary-toggle-threads (&optional arg)
10406 "Toggle showing conversation threads.
10407 If ARG is positive number, turn showing conversation threads on."
10409 (let ((current (or (gnus-summary-article-number) gnus-newsgroup-end)))
10410 (setq gnus-show-threads
10411 (if (null arg) (not gnus-show-threads)
10412 (> (prefix-numeric-value arg) 0)))
10413 (gnus-summary-prepare)
10414 (gnus-summary-goto-subject current)
10415 (gnus-message 6 "Threading is now %s" (if gnus-show-threads "on" "off"))
10416 (gnus-summary-position-point)))
10418 (defun gnus-summary-show-all-threads ()
10419 "Show all threads."
10422 (let ((buffer-read-only nil))
10423 (subst-char-in-region (point-min) (point-max) ?\^M ?\n t)))
10424 (gnus-summary-position-point))
10426 (defun gnus-summary-show-thread ()
10427 "Show thread subtrees.
10428 Returns nil if no thread was there to be shown."
10430 (let ((buffer-read-only nil)
10432 (end (gnus-point-at-eol))
10433 ;; Leave point at bol
10434 (beg (progn (beginning-of-line) (point))))
10436 ;; Any hidden lines here?
10437 (search-forward "\r" end t)
10438 (subst-char-in-region beg end ?\^M ?\n t)
10440 (gnus-summary-position-point))))
10442 (defun gnus-summary-maybe-hide-threads ()
10443 "If requested, hide the threads that should be hidden."
10444 (when (and gnus-show-threads
10445 gnus-thread-hide-subtree)
10446 (gnus-summary-hide-all-threads
10447 (if (or (consp gnus-thread-hide-subtree)
10448 (functionp gnus-thread-hide-subtree))
10449 (gnus-make-predicate gnus-thread-hide-subtree)
10452 ;;; Hiding predicates.
10454 (defun gnus-article-unread-p (header)
10455 (memq (mail-header-number header) gnus-newsgroup-unreads))
10457 (defun gnus-article-unseen-p (header)
10458 (memq (mail-header-number header) gnus-newsgroup-unseen))
10460 (defun gnus-map-articles (predicate articles)
10461 "Map PREDICATE over ARTICLES and return non-nil if any predicate is non-nil."
10462 (apply 'gnus-or (mapcar predicate
10463 (mapcar 'gnus-summary-article-header articles))))
10465 (defun gnus-summary-hide-all-threads (&optional predicate)
10466 "Hide all thread subtrees.
10467 If PREDICATE is supplied, threads that satisfy this predicate
10468 will not be hidden."
10471 (goto-char (point-min))
10474 (when (or (not predicate)
10476 predicate (gnus-summary-article-children)))
10477 (gnus-summary-hide-thread))
10478 (setq end (not (zerop (gnus-summary-next-thread 1 t)))))))
10479 (gnus-summary-position-point))
10481 (defun gnus-summary-hide-thread ()
10482 "Hide thread subtrees.
10483 If PREDICATE is supplied, threads that satisfy this predicate
10484 will not be hidden.
10485 Returns nil if no threads were there to be hidden."
10487 (let ((buffer-read-only nil)
10489 (article (gnus-summary-article-number)))
10491 ;; Go forward until either the buffer ends or the subthread
10493 (when (and (not (eobp))
10494 (or (zerop (gnus-summary-next-thread 1 t))
10495 (goto-char (point-max))))
10497 (if (and (> (point) start)
10498 (search-backward "\n" start t))
10500 (subst-char-in-region start (point) ?\n ?\^M)
10501 (gnus-summary-goto-subject article))
10505 (defun gnus-summary-go-to-next-thread (&optional previous)
10506 "Go to the same level (or less) next thread.
10507 If PREVIOUS is non-nil, go to previous thread instead.
10508 Return the article number moved to, or nil if moving was impossible."
10509 (let ((level (gnus-summary-thread-level))
10510 (way (if previous -1 1))
10513 (while (and (not (eobp))
10514 (< level (gnus-summary-thread-level)))
10515 (forward-line way))
10522 (gnus-summary-article-number)
10523 (goto-char beg)))))
10525 (defun gnus-summary-next-thread (n &optional silent)
10526 "Go to the same level next N'th thread.
10527 If N is negative, search backward instead.
10528 Returns the difference between N and the number of skips actually
10531 If SILENT, don't output messages."
10533 (let ((backward (< n 0))
10535 (while (and (> n 0)
10536 (gnus-summary-go-to-next-thread backward))
10539 (gnus-summary-position-point))
10540 (when (and (not silent) (/= 0 n))
10541 (gnus-message 7 "No more threads"))
10544 (defun gnus-summary-prev-thread (n)
10545 "Go to the same level previous N'th thread.
10546 Returns the difference between N and the number of skips actually
10549 (gnus-summary-next-thread (- n)))
10551 (defun gnus-summary-go-down-thread ()
10552 "Go down one level in the current thread."
10553 (let ((children (gnus-summary-article-children)))
10555 (gnus-summary-goto-subject (car children)))))
10557 (defun gnus-summary-go-up-thread ()
10558 "Go up one level in the current thread."
10559 (let ((parent (gnus-summary-article-parent)))
10561 (gnus-summary-goto-subject parent))))
10563 (defun gnus-summary-down-thread (n)
10564 "Go down thread N steps.
10565 If N is negative, go up instead.
10566 Returns the difference between N and how many steps down that were
10571 (while (and (> n 0)
10572 (if up (gnus-summary-go-up-thread)
10573 (gnus-summary-go-down-thread)))
10575 (gnus-summary-position-point)
10577 (gnus-message 7 "Can't go further"))
10580 (defun gnus-summary-up-thread (n)
10581 "Go up thread N steps.
10582 If N is negative, go down instead.
10583 Returns the difference between N and how many steps down that were
10586 (gnus-summary-down-thread (- n)))
10588 (defun gnus-summary-top-thread ()
10589 "Go to the top of the thread."
10591 (while (gnus-summary-go-up-thread))
10592 (gnus-summary-article-number))
10594 (defun gnus-summary-kill-thread (&optional unmark)
10595 "Mark articles under current thread as read.
10596 If the prefix argument is positive, remove any kinds of marks.
10597 If the prefix argument is negative, tick articles instead."
10600 (setq unmark (prefix-numeric-value unmark)))
10601 (let ((articles (gnus-summary-articles-in-thread)))
10603 ;; Expand the thread.
10604 (gnus-summary-show-thread)
10605 ;; Mark all the articles.
10607 (gnus-summary-goto-subject (car articles))
10608 (cond ((null unmark)
10609 (gnus-summary-mark-article-as-read gnus-killed-mark))
10611 (gnus-summary-mark-article-as-unread gnus-unread-mark))
10613 (gnus-summary-mark-article-as-unread gnus-ticked-mark)))
10614 (setq articles (cdr articles))))
10615 ;; Hide killed subtrees.
10617 gnus-thread-hide-killed
10618 (gnus-summary-hide-thread))
10619 ;; If marked as read, go to next unread subject.
10620 (when (null unmark)
10621 ;; Go to next unread subject.
10622 (gnus-summary-next-subject 1 t)))
10623 (gnus-set-mode-line 'summary))
10625 ;; Summary sorting commands
10627 (defun gnus-summary-sort-by-number (&optional reverse)
10628 "Sort the summary buffer by article number.
10629 Argument REVERSE means reverse order."
10631 (gnus-summary-sort 'number reverse))
10633 (defun gnus-summary-sort-by-random (&optional reverse)
10634 "Randomize the order in the summary buffer.
10635 Argument REVERSE means to randomize in reverse order."
10637 (gnus-summary-sort 'random reverse))
10639 (defun gnus-summary-sort-by-author (&optional reverse)
10640 "Sort the summary buffer by author name alphabetically.
10641 If `case-fold-search' is non-nil, case of letters is ignored.
10642 Argument REVERSE means reverse order."
10644 (gnus-summary-sort 'author reverse))
10646 (defun gnus-summary-sort-by-subject (&optional reverse)
10647 "Sort the summary buffer by subject alphabetically. `Re:'s are ignored.
10648 If `case-fold-search' is non-nil, case of letters is ignored.
10649 Argument REVERSE means reverse order."
10651 (gnus-summary-sort 'subject reverse))
10653 (defun gnus-summary-sort-by-date (&optional reverse)
10654 "Sort the summary buffer by date.
10655 Argument REVERSE means reverse order."
10657 (gnus-summary-sort 'date reverse))
10659 (defun gnus-summary-sort-by-score (&optional reverse)
10660 "Sort the summary buffer by score.
10661 Argument REVERSE means reverse order."
10663 (gnus-summary-sort 'score reverse))
10665 (defun gnus-summary-sort-by-lines (&optional reverse)
10666 "Sort the summary buffer by the number of lines.
10667 Argument REVERSE means reverse order."
10669 (gnus-summary-sort 'lines reverse))
10671 (defun gnus-summary-sort-by-chars (&optional reverse)
10672 "Sort the summary buffer by article length.
10673 Argument REVERSE means reverse order."
10675 (gnus-summary-sort 'chars reverse))
10677 (defun gnus-summary-sort-by-original (&optional reverse)
10678 "Sort the summary buffer using the default sorting method.
10679 Argument REVERSE means reverse order."
10681 (let* ((buffer-read-only)
10682 (gnus-summary-prepare-hook nil))
10683 ;; We do the sorting by regenerating the threads.
10684 (gnus-summary-prepare)
10685 ;; Hide subthreads if needed.
10686 (gnus-summary-maybe-hide-threads)))
10688 (defun gnus-summary-sort (predicate reverse)
10689 "Sort summary buffer by PREDICATE. REVERSE means reverse order."
10690 (let* ((thread (intern (format "gnus-thread-sort-by-%s" predicate)))
10691 (article (intern (format "gnus-article-sort-by-%s" predicate)))
10692 (gnus-thread-sort-functions
10697 (gnus-sort-gathered-threads-function
10698 gnus-thread-sort-functions)
10699 (gnus-article-sort-functions
10703 (,article t2 t1))))
10705 (gnus-summary-prepare-hook nil))
10706 ;; We do the sorting by regenerating the threads.
10707 (gnus-summary-prepare)
10708 ;; Hide subthreads if needed.
10709 (gnus-summary-maybe-hide-threads)))
10711 ;; Summary saving commands.
10713 (defun gnus-summary-save-article (&optional n not-saved)
10714 "Save the current article using the default saver function.
10715 If N is a positive number, save the N next articles.
10716 If N is a negative number, save the N previous articles.
10717 If N is nil and any articles have been marked with the process mark,
10718 save those articles instead.
10719 The variable `gnus-default-article-saver' specifies the saver function."
10721 (let* ((articles (gnus-summary-work-articles n))
10722 (save-buffer (save-excursion
10723 (nnheader-set-temp-buffer " *Gnus Save*")))
10724 (num (length articles))
10726 (dolist (article articles)
10727 (setq header (gnus-summary-article-header article))
10728 (if (not (vectorp header))
10729 ;; This is a pseudo-article.
10730 (if (assq 'name header)
10731 (gnus-copy-file (cdr (assq 'name header)))
10732 (gnus-message 1 "Article %d is unsaveable" article))
10733 ;; This is a real article.
10734 (save-window-excursion
10735 (let ((gnus-display-mime-function nil)
10736 (gnus-article-prepare-hook nil))
10737 (gnus-summary-select-article t nil nil article)))
10739 (set-buffer save-buffer)
10741 (insert-buffer-substring gnus-original-article-buffer))
10742 (setq file (gnus-article-save save-buffer file num))
10743 (gnus-summary-remove-process-mark article)
10745 (gnus-summary-set-saved-mark article))))
10746 (gnus-kill-buffer save-buffer)
10747 (gnus-summary-position-point)
10748 (gnus-set-mode-line 'summary)
10751 (defun gnus-summary-pipe-output (&optional arg headers)
10752 "Pipe the current article to a subprocess.
10753 If N is a positive number, pipe the N next articles.
10754 If N is a negative number, pipe the N previous articles.
10755 If N is nil and any articles have been marked with the process mark,
10756 pipe those articles instead.
10757 If HEADERS (the symbolic prefix), include the headers, too."
10758 (interactive (gnus-interactive "P\ny"))
10759 (require 'gnus-art)
10760 (let ((gnus-default-article-saver 'gnus-summary-save-in-pipe)
10761 (gnus-save-all-headers (or headers gnus-save-all-headers)))
10762 (gnus-summary-save-article arg t))
10763 (let ((buffer (get-buffer "*Shell Command Output*")))
10765 (not (zerop (buffer-size buffer))))
10766 (gnus-configure-windows 'pipe))))
10768 (defun gnus-summary-save-article-mail (&optional arg)
10769 "Append the current article to an mail file.
10770 If N is a positive number, save the N next articles.
10771 If N is a negative number, save the N previous articles.
10772 If N is nil and any articles have been marked with the process mark,
10773 save those articles instead."
10775 (require 'gnus-art)
10776 (let ((gnus-default-article-saver 'gnus-summary-save-in-mail))
10777 (gnus-summary-save-article arg)))
10779 (defun gnus-summary-save-article-rmail (&optional arg)
10780 "Append the current article to an rmail file.
10781 If N is a positive number, save the N next articles.
10782 If N is a negative number, save the N previous articles.
10783 If N is nil and any articles have been marked with the process mark,
10784 save those articles instead."
10786 (require 'gnus-art)
10787 (let ((gnus-default-article-saver 'gnus-summary-save-in-rmail))
10788 (gnus-summary-save-article arg)))
10790 (defun gnus-summary-save-article-file (&optional arg)
10791 "Append the current article to a file.
10792 If N is a positive number, save the N next articles.
10793 If N is a negative number, save the N previous articles.
10794 If N is nil and any articles have been marked with the process mark,
10795 save those articles instead."
10797 (require 'gnus-art)
10798 (let ((gnus-default-article-saver 'gnus-summary-save-in-file))
10799 (gnus-summary-save-article arg)))
10801 (defun gnus-summary-write-article-file (&optional arg)
10802 "Write the current article to a file, deleting the previous file.
10803 If N is a positive number, save the N next articles.
10804 If N is a negative number, save the N previous articles.
10805 If N is nil and any articles have been marked with the process mark,
10806 save those articles instead."
10808 (require 'gnus-art)
10809 (let ((gnus-default-article-saver 'gnus-summary-write-to-file))
10810 (gnus-summary-save-article arg)))
10812 (defun gnus-summary-save-article-body-file (&optional arg)
10813 "Append the current article body to a file.
10814 If N is a positive number, save the N next articles.
10815 If N is a negative number, save the N previous articles.
10816 If N is nil and any articles have been marked with the process mark,
10817 save those articles instead."
10819 (require 'gnus-art)
10820 (let ((gnus-default-article-saver 'gnus-summary-save-body-in-file))
10821 (gnus-summary-save-article arg)))
10823 (defun gnus-summary-muttprint (&optional arg)
10824 "Print the current article using Muttprint.
10825 If N is a positive number, save the N next articles.
10826 If N is a negative number, save the N previous articles.
10827 If N is nil and any articles have been marked with the process mark,
10828 save those articles instead."
10830 (require 'gnus-art)
10831 (let ((gnus-default-article-saver 'gnus-summary-pipe-to-muttprint))
10832 (gnus-summary-save-article arg t)))
10834 (defun gnus-summary-pipe-message (program)
10835 "Pipe the current article through PROGRAM."
10836 (interactive "sProgram: ")
10837 (gnus-summary-select-article)
10838 (let ((mail-header-separator ""))
10839 (gnus-eval-in-buffer-window gnus-article-buffer
10842 (let ((start (window-start))
10844 (message-pipe-buffer-body program)
10845 (set-window-start (get-buffer-window (current-buffer)) start))))))
10847 (defun gnus-get-split-value (methods)
10848 "Return a value based on the split METHODS."
10849 (let (split-name method result match)
10852 (set-buffer gnus-original-article-buffer)
10854 (nnheader-narrow-to-headers)
10855 (while (and methods (not split-name))
10856 (goto-char (point-min))
10857 (setq method (pop methods))
10858 (setq match (car method))
10861 ;; Regular expression.
10863 (re-search-forward match nil t)))
10868 (setq result (funcall match gnus-newsgroup-name))))
10873 (setq result (eval match)))))
10874 (setq split-name (cdr method))
10875 (cond ((stringp result)
10876 (push (expand-file-name
10877 result gnus-article-save-directory)
10880 (setq split-name (append result split-name)))))))))
10881 (nreverse split-name)))
10883 (defun gnus-valid-move-group-p (group)
10884 (and (boundp group)
10885 (symbol-name group)
10886 (symbol-value group)
10887 (gnus-get-function (gnus-find-method-for-group
10888 (symbol-name group)) 'request-accept-article t)))
10890 (defun gnus-read-move-group-name (prompt default articles prefix)
10891 "Read a group name."
10892 (let* ((split-name (gnus-get-split-value gnus-move-split-methods))
10893 (minibuffer-confirm-incomplete nil) ; XEmacs
10895 (format "%s %s to:"
10897 (if (> (length articles) 1)
10898 (format "these %d articles" (length articles))
10903 (gnus-completing-read-with-default
10906 'gnus-valid-move-group-p
10908 'gnus-group-history))
10909 ((= 1 (length split-name))
10910 (gnus-completing-read-with-default
10911 (car split-name) prom
10913 'gnus-valid-move-group-p
10915 'gnus-group-history))
10917 (gnus-completing-read-with-default
10919 (mapcar (lambda (el) (list el))
10920 (nreverse split-name))
10922 'gnus-group-history))))
10923 (to-method (gnus-server-to-method (gnus-group-method to-newsgroup))))
10925 (if (or (string= to-newsgroup "")
10926 (string= to-newsgroup prefix))
10927 (setq to-newsgroup default))
10928 (unless to-newsgroup
10929 (error "No group name entered"))
10930 (or (gnus-active to-newsgroup)
10931 (gnus-activate-group to-newsgroup nil nil to-method)
10932 (if (gnus-y-or-n-p (format "No such group: %s. Create it? "
10934 (or (and (gnus-request-create-group to-newsgroup to-method)
10935 (gnus-activate-group
10936 to-newsgroup nil nil to-method)
10937 (gnus-subscribe-group to-newsgroup))
10938 (error "Couldn't create group %s" to-newsgroup)))
10939 (error "No such group: %s" to-newsgroup)))
10942 (defun gnus-summary-save-parts (type dir n &optional reverse)
10943 "Save parts matching TYPE to DIR.
10944 If REVERSE, save parts that do not match TYPE."
10946 (list (read-string "Save parts of type: "
10947 (or (car gnus-summary-save-parts-type-history)
10948 gnus-summary-save-parts-default-mime)
10949 'gnus-summary-save-parts-type-history)
10950 (setq gnus-summary-save-parts-last-directory
10951 (read-file-name "Save to directory: "
10952 gnus-summary-save-parts-last-directory
10954 current-prefix-arg))
10955 (gnus-summary-iterate n
10956 (let ((gnus-display-mime-function nil)
10957 (gnus-inhibit-treatment t))
10958 (gnus-summary-select-article))
10960 (set-buffer gnus-article-buffer)
10961 (let ((handles (or gnus-article-mime-handles
10962 (mm-dissect-buffer nil gnus-article-loose-mime)
10963 (and gnus-article-emulate-mime
10964 (mm-uu-dissect)))))
10966 (gnus-summary-save-parts-1 type dir handles reverse)
10967 (unless gnus-article-mime-handles ;; Don't destroy this case.
10968 (mm-destroy-parts handles)))))))
10970 (defun gnus-summary-save-parts-1 (type dir handle reverse)
10971 (if (stringp (car handle))
10972 (mapcar (lambda (h) (gnus-summary-save-parts-1 type dir h reverse))
10975 (not (string-match type (mm-handle-media-type handle)))
10976 (string-match type (mm-handle-media-type handle)))
10977 (let ((file (expand-file-name
10978 (file-name-nondirectory
10980 (mail-content-type-get
10981 (mm-handle-disposition handle) 'filename)
10982 (concat gnus-newsgroup-name
10983 "." (number-to-string
10984 (cdr gnus-article-current)))))
10986 (unless (file-exists-p file)
10987 (mm-save-part-to-file handle file))))))
10989 ;; Summary extract commands
10991 (defun gnus-summary-insert-pseudos (pslist &optional not-view)
10992 (let ((buffer-read-only nil)
10993 (article (gnus-summary-article-number))
10995 (unless (gnus-summary-goto-subject article)
10996 (error "No such article: %d" article))
10997 (gnus-summary-position-point)
10998 ;; If all commands are to be bunched up on one line, we collect
11000 (unless gnus-view-pseudos-separately
11001 (let ((ps (setq pslist (sort pslist 'gnus-pseudos<)))
11004 (setq action (cdr (assq 'action (car ps))))
11005 (setq files (list (cdr (assq 'name (car ps)))))
11006 (while (and ps (cdr ps)
11007 (string= (or action "1")
11008 (or (cdr (assq 'action (cadr ps))) "2")))
11009 (push (cdr (assq 'name (cadr ps))) files)
11010 (setcdr ps (cddr ps)))
11012 (when (not (string-match "%s" action))
11015 (when (assq 'execute (car ps))
11016 (setcdr (assq 'execute (car ps))
11017 (funcall (if (string-match "%s" action)
11026 (setq ps (cdr ps)))))
11027 (if (and gnus-view-pseudos (not not-view))
11029 (when (assq 'execute (car pslist))
11030 (gnus-execute-command (cdr (assq 'execute (car pslist)))
11031 (eq gnus-view-pseudos 'not-confirm)))
11032 (setq pslist (cdr pslist)))
11035 (setq after-article (or (cdr (assq 'article (car pslist)))
11036 (gnus-summary-article-number)))
11037 (gnus-summary-goto-subject after-article)
11040 (insert " " (file-name-nondirectory
11041 (cdr (assq 'name (car pslist))))
11042 ": " (or (cdr (assq 'execute (car pslist))) "") "\n")
11044 (forward-line -1) ; back to `b'
11045 (gnus-add-text-properties
11046 b (1- e) (list 'gnus-number gnus-reffed-article-number
11047 gnus-mouse-face-prop gnus-mouse-face))
11049 after-article gnus-reffed-article-number
11050 gnus-unread-mark b (car pslist) 0 (- e b))
11051 (setq gnus-newsgroup-unreads
11052 (gnus-add-to-sorted-list gnus-newsgroup-unreads
11053 gnus-reffed-article-number))
11054 (setq gnus-reffed-article-number (1- gnus-reffed-article-number))
11055 (setq pslist (cdr pslist)))))))
11057 (defun gnus-pseudos< (p1 p2)
11058 (let ((c1 (cdr (assq 'action p1)))
11059 (c2 (cdr (assq 'action p2))))
11060 (and c1 c2 (string< c1 c2))))
11062 (defun gnus-request-pseudo-article (props)
11063 (cond ((assq 'execute props)
11064 (gnus-execute-command (cdr (assq 'execute props)))))
11065 (let ((gnus-current-article (gnus-summary-article-number)))
11066 (gnus-run-hooks 'gnus-mark-article-hook)))
11068 (defun gnus-execute-command (command &optional automatic)
11070 (gnus-article-setup-buffer)
11071 (set-buffer gnus-article-buffer)
11072 (setq buffer-read-only nil)
11073 (let ((command (if automatic command
11074 (read-string "Command: " (cons command 0)))))
11076 (insert "$ " command "\n\n")
11077 (if gnus-view-pseudo-asynchronously
11078 (start-process "gnus-execute" (current-buffer) shell-file-name
11079 shell-command-switch command)
11080 (call-process shell-file-name nil t nil
11081 shell-command-switch command)))))
11083 ;; Summary kill commands.
11085 (defun gnus-summary-edit-global-kill (article)
11086 "Edit the \"global\" kill file."
11087 (interactive (list (gnus-summary-article-number)))
11088 (gnus-group-edit-global-kill article))
11090 (defun gnus-summary-edit-local-kill ()
11091 "Edit a local kill file applied to the current newsgroup."
11093 (setq gnus-current-headers (gnus-summary-article-header))
11094 (gnus-group-edit-local-kill
11095 (gnus-summary-article-number) gnus-newsgroup-name))
11097 ;;; Header reading.
11099 (defun gnus-read-header (id &optional header)
11100 "Read the headers of article ID and enter them into the Gnus system."
11101 (let ((group gnus-newsgroup-name)
11102 (gnus-override-method
11104 gnus-override-method
11105 (and (gnus-news-group-p gnus-newsgroup-name)
11106 (car (gnus-refer-article-methods)))))
11108 ;; First we check to see whether the header in question is already
11111 ;; This is a Message-ID.
11112 (setq header (or header (gnus-id-to-header id)))
11113 ;; This is an article number.
11114 (setq header (or header (gnus-summary-article-header id))))
11116 (not (gnus-summary-article-sparse-p (mail-header-number header))))
11117 ;; We have found the header.
11119 ;; If this is a sparse article, we have to nix out its
11120 ;; previous entry in the thread hashtb.
11122 (gnus-summary-article-sparse-p (mail-header-number header)))
11123 (let* ((parent (gnus-parent-id (mail-header-references header)))
11124 (thread (and parent (gnus-id-to-thread parent))))
11126 (delq (assq header thread) thread))))
11127 ;; We have to really fetch the header to this article.
11129 (set-buffer nntp-server-buffer)
11130 (when (setq where (gnus-request-head id group))
11131 (nnheader-fold-continuation-lines)
11132 (goto-char (point-max))
11134 (goto-char (point-min))
11138 ((cdr where) (cdr where))
11139 (header (mail-header-number header))
11140 (t gnus-reffed-article-number))
11142 (insert " Article retrieved.\n"))
11143 (if (or (not where)
11144 (not (setq header (car (gnus-get-newsgroup-headers nil t)))))
11145 () ; Malformed head.
11146 (unless (gnus-summary-article-sparse-p (mail-header-number header))
11147 (when (and (stringp id)
11148 (not (string= (gnus-group-real-name group)
11150 ;; If we fetched by Message-ID and the article came
11151 ;; from a different group, we fudge some bogus article
11152 ;; numbers for this article.
11153 (mail-header-set-number header gnus-reffed-article-number))
11155 (set-buffer gnus-summary-buffer)
11156 (decf gnus-reffed-article-number)
11157 (gnus-remove-header (mail-header-number header))
11158 (push header gnus-newsgroup-headers)
11159 (setq gnus-current-headers header)
11160 (push (mail-header-number header) gnus-newsgroup-limit)))
11163 (defun gnus-remove-header (number)
11164 "Remove header NUMBER from `gnus-newsgroup-headers'."
11165 (if (and gnus-newsgroup-headers
11166 (= number (mail-header-number (car gnus-newsgroup-headers))))
11167 (pop gnus-newsgroup-headers)
11168 (let ((headers gnus-newsgroup-headers))
11169 (while (and (cdr headers)
11170 (not (= number (mail-header-number (cadr headers)))))
11172 (when (cdr headers)
11173 (setcdr headers (cddr headers))))))
11176 ;;; summary highlights
11179 (defun gnus-highlight-selected-summary ()
11180 "Highlight selected article in summary buffer."
11181 ;; Added by Per Abrahamsen <amanda@iesd.auc.dk>.
11182 (when gnus-summary-selected-face
11184 (let* ((beg (gnus-point-at-bol))
11185 (end (gnus-point-at-eol))
11186 ;; Fix by Mike Dugan <dugan@bucrf16.bu.edu>.
11187 (from (if (get-text-property beg gnus-mouse-face-prop)
11189 (or (next-single-property-change
11190 beg gnus-mouse-face-prop nil end)
11195 (or (next-single-property-change
11196 from gnus-mouse-face-prop nil end)
11198 ;; If no mouse-face prop on line we will have to = from = end,
11199 ;; so we highlight the entire line instead.
11200 (when (= (+ to 2) from)
11203 (if gnus-newsgroup-selected-overlay
11204 ;; Move old overlay.
11206 gnus-newsgroup-selected-overlay from to (current-buffer))
11207 ;; Create new overlay.
11209 (setq gnus-newsgroup-selected-overlay (gnus-make-overlay from to))
11210 'face gnus-summary-selected-face))))))
11212 (defvar gnus-summary-highlight-line-cached nil)
11213 (defvar gnus-summary-highlight-line-trigger nil)
11215 (defun gnus-summary-highlight-line-0 ()
11216 (if (and (eq gnus-summary-highlight-line-trigger
11217 gnus-summary-highlight)
11218 gnus-summary-highlight-line-cached)
11219 gnus-summary-highlight-line-cached
11220 (setq gnus-summary-highlight-line-trigger gnus-summary-highlight
11221 gnus-summary-highlight-line-cached
11222 (let* ((cond (list 'cond))
11224 (list gnus-summary-highlight))
11226 (setcdr c (cons (list (caar list) (list 'quote (cdar list)))
11230 (gnus-byte-compile (list 'lambda nil cond))))))
11232 (defun gnus-summary-highlight-line ()
11233 "Highlight current line according to `gnus-summary-highlight'."
11234 (let* ((beg (gnus-point-at-bol))
11235 (article (or (gnus-summary-article-number) gnus-current-article))
11236 (score (or (cdr (assq article
11237 gnus-newsgroup-scored))
11238 gnus-summary-default-score 0))
11239 (mark (or (gnus-summary-article-mark) gnus-unread-mark))
11240 (inhibit-read-only t)
11241 (default gnus-summary-default-score)
11242 (default-high gnus-summary-default-high-score)
11243 (default-low gnus-summary-default-low-score)
11244 (uncached (and gnus-summary-use-undownloaded-faces
11245 (memq article gnus-newsgroup-undownloaded))))
11246 (let ((face (funcall (gnus-summary-highlight-line-0))))
11247 (unless (eq face (get-text-property beg 'face))
11248 (gnus-put-text-property-excluding-characters-with-faces
11249 beg (gnus-point-at-eol) 'face
11250 (setq face (if (boundp face) (symbol-value face) face)))
11251 (when gnus-summary-highlight-line-function
11252 (funcall gnus-summary-highlight-line-function article face))))))
11254 (defun gnus-update-read-articles (group unread &optional compute)
11255 "Update the list of read articles in GROUP.
11256 UNREAD is a sorted list."
11257 (let* ((active (or gnus-newsgroup-active (gnus-active group)))
11258 (entry (gnus-gethash group gnus-newsrc-hashtb))
11259 (info (nth 2 entry))
11262 (if (or (not info) (not active))
11263 ;; There is no info on this group if it was, in fact,
11264 ;; killed. Gnus stores no information on killed groups, so
11265 ;; there's nothing to be done.
11266 ;; One could store the information somewhere temporarily,
11267 ;; perhaps... Hmmm...
11269 ;; Remove any negative articles numbers.
11270 (while (and unread (< (car unread) 0))
11271 (setq unread (cdr unread)))
11272 ;; Remove any expired article numbers
11273 (while (and unread (< (car unread) (car active)))
11274 (setq unread (cdr unread)))
11275 ;; Compute the ranges of read articles by looking at the list of
11276 ;; unread articles.
11278 (when (/= (car unread) prev)
11279 (push (if (= prev (1- (car unread))) prev
11280 (cons prev (1- (car unread))))
11282 (setq prev (1+ (car unread)))
11283 (setq unread (cdr unread)))
11284 (when (<= prev (cdr active))
11285 (push (cons prev (cdr active)) read))
11286 (setq read (if (> (length read) 1) (nreverse read) read))
11291 ;; Propagate the read marks to the backend.
11292 (when (gnus-check-backend-function 'request-set-mark group)
11293 (let ((del (gnus-remove-from-range (gnus-info-read info) read))
11294 (add (gnus-remove-from-range read (gnus-info-read info))))
11296 (unless (gnus-check-group group)
11297 (error "Can't open server for %s" group))
11298 (gnus-request-set-mark
11299 group (delq nil (list (if add (list add 'add '(read)))
11300 (if del (list del 'del '(read))))))
11302 `(gnus-request-set-mark
11305 (if del (list del 'add '(read)))
11306 (if add (list add 'del '(read))))))))))
11307 (set-buffer gnus-group-buffer)
11308 (gnus-undo-register
11310 (gnus-info-set-marks ',info ',(gnus-info-marks info) t)
11311 (gnus-info-set-read ',info ',(gnus-info-read info))
11312 (gnus-get-unread-articles-in-group ',info
11313 (gnus-active ,group))
11314 (gnus-group-update-group ,group t)
11316 ;; Enter this list into the group info.
11317 (gnus-info-set-read info read)
11318 ;; Set the number of unread articles in gnus-newsrc-hashtb.
11319 (gnus-get-unread-articles-in-group info (gnus-active group))
11322 (defun gnus-offer-save-summaries ()
11323 "Offer to save all active summary buffers."
11325 ;; Go through all buffers and find all summaries.
11326 (dolist (buffer (buffer-list))
11327 (when (and (setq buffer (buffer-name buffer))
11328 (string-match "Summary" buffer)
11330 (set-buffer buffer)
11331 ;; We check that this is, indeed, a summary buffer.
11332 (and (eq major-mode 'gnus-summary-mode)
11333 ;; Also make sure this isn't bogus.
11334 gnus-newsgroup-prepared
11335 ;; Also make sure that this isn't a
11336 ;; dead summary buffer.
11337 (not gnus-dead-summary-mode))))
11338 (push buffer buffers)))
11339 ;; Go through all these summary buffers and offer to save them.
11343 "Update summary buffer %s? "
11345 (switch-to-buffer buf)
11346 (gnus-summary-exit))
11349 (defun gnus-summary-setup-default-charset ()
11350 "Setup newsgroup default charset."
11351 (if (member gnus-newsgroup-name '("nndraft:delayed" "nndraft:drafts"))
11352 (setq gnus-newsgroup-charset nil)
11353 (let* ((ignored-charsets
11354 (or gnus-newsgroup-ephemeral-ignored-charsets
11356 (and gnus-newsgroup-name
11357 (gnus-parameter-ignored-charsets gnus-newsgroup-name))
11358 gnus-newsgroup-ignored-charsets))))
11359 (setq gnus-newsgroup-charset
11360 (or gnus-newsgroup-ephemeral-charset
11361 (and gnus-newsgroup-name
11362 (gnus-parameter-charset gnus-newsgroup-name))
11363 gnus-default-charset))
11364 (set (make-local-variable 'gnus-newsgroup-ignored-charsets)
11365 ignored-charsets))))
11371 (defun gnus-summary-display-buttonized (&optional show-all-parts)
11372 "Display the current article buffer fully MIME-buttonized.
11373 If SHOW-ALL-PARTS (the prefix) is non-nil, all multipart/* parts are
11374 treated as multipart/mixed."
11376 (require 'gnus-art)
11377 (let ((gnus-unbuttonized-mime-types nil)
11378 (gnus-mime-display-multipart-as-mixed show-all-parts))
11379 (gnus-summary-show-article)))
11381 (defun gnus-summary-repair-multipart (article)
11382 "Add a Content-Type header to a multipart article without one."
11383 (interactive (list (gnus-summary-article-number)))
11384 (gnus-with-article article
11385 (message-narrow-to-head)
11386 (message-remove-header "Mime-Version")
11387 (goto-char (point-max))
11388 (insert "Mime-Version: 1.0\n")
11390 (when (search-forward "\n--" nil t)
11391 (let ((separator (buffer-substring (point) (gnus-point-at-eol))))
11392 (message-narrow-to-head)
11393 (message-remove-header "Content-Type")
11394 (goto-char (point-max))
11395 (insert (format "Content-Type: multipart/mixed; boundary=\"%s\"\n"
11398 (let (gnus-mark-article-hook)
11399 (gnus-summary-select-article t t nil article)))
11401 (defun gnus-summary-toggle-display-buttonized ()
11402 "Toggle the buttonizing of the article buffer."
11404 (require 'gnus-art)
11405 (if (setq gnus-inhibit-mime-unbuttonizing
11406 (not gnus-inhibit-mime-unbuttonizing))
11407 (let ((gnus-unbuttonized-mime-types nil))
11408 (gnus-summary-show-article))
11409 (gnus-summary-show-article)))
11412 ;;; Generic summary marking commands
11415 (defvar gnus-summary-marking-alist
11416 '((read gnus-del-mark "d")
11417 (unread gnus-unread-mark "u")
11418 (ticked gnus-ticked-mark "!")
11419 (dormant gnus-dormant-mark "?")
11420 (expirable gnus-expirable-mark "e"))
11421 "An alist of names/marks/keystrokes.")
11423 (defvar gnus-summary-generic-mark-map (make-sparse-keymap))
11424 (defvar gnus-summary-mark-map)
11426 (defun gnus-summary-make-all-marking-commands ()
11427 (define-key gnus-summary-mark-map "M" gnus-summary-generic-mark-map)
11428 (dolist (elem gnus-summary-marking-alist)
11429 (apply 'gnus-summary-make-marking-command elem)))
11431 (defun gnus-summary-make-marking-command (name mark keystroke)
11432 (let ((map (make-sparse-keymap)))
11433 (define-key gnus-summary-generic-mark-map keystroke map)
11434 (dolist (lway `((next "next" next nil "n")
11435 (next-unread "next unread" next t "N")
11436 (prev "previous" prev nil "p")
11437 (prev-unread "previous unread" prev t "P")
11438 (nomove "" nil nil ,keystroke)))
11439 (let ((func (gnus-summary-make-marking-command-1
11440 mark (car lway) lway name)))
11441 (setq func (eval func))
11442 (define-key map (nth 4 lway) func)))))
11444 (defun gnus-summary-make-marking-command-1 (mark way lway name)
11446 (format "gnus-summary-put-mark-as-%s%s"
11447 name (if (eq way 'nomove)
11449 (concat "-" (symbol-name way)))))
11452 "Mark the current article as %s%s.
11453 If N, the prefix, then repeat N times.
11454 If N is negative, move in reverse order.
11455 The difference between N and the actual number of articles marked is
11459 (gnus-summary-generic-mark n ,mark ',(nth 2 lway) ,(nth 3 lway))))
11461 (defun gnus-summary-generic-mark (n mark move unread)
11462 "Mark N articles with MARK."
11463 (unless (eq major-mode 'gnus-summary-mode)
11464 (error "This command can only be used in the summary buffer"))
11465 (gnus-summary-show-thread)
11468 ((eq move 'next) 1)
11469 ((eq move 'prev) -1)
11471 (if (zerop nummove)
11475 nummove (* -1 nummove))))
11476 (while (and (> n 0)
11477 (gnus-summary-mark-article nil mark)
11478 (zerop (gnus-summary-next-subject nummove unread t)))
11481 (gnus-message 7 "No more %sarticles" (if mark "" "unread ")))
11482 (gnus-summary-recenter)
11483 (gnus-summary-position-point)
11484 (gnus-set-mode-line 'summary)
11487 (defun gnus-summary-insert-articles (articles)
11488 (when (setq articles
11489 (gnus-sorted-difference articles
11490 (mapcar (lambda (h)
11491 (mail-header-number h))
11492 gnus-newsgroup-headers)))
11493 (setq gnus-newsgroup-headers
11495 gnus-newsgroup-headers
11496 (gnus-fetch-headers articles)
11497 'gnus-article-sort-by-number))
11498 ;; Suppress duplicates?
11499 (when gnus-suppress-duplicates
11500 (gnus-dup-suppress-articles))
11502 ;; We might want to build some more threads first.
11503 (when (and gnus-fetch-old-headers
11504 (eq gnus-headers-retrieved-by 'nov))
11505 (if (eq gnus-fetch-old-headers 'invisible)
11506 (gnus-build-all-threads)
11507 (gnus-build-old-threads)))
11508 ;; Let the Gnus agent mark articles as read.
11510 (gnus-agent-get-undownloaded-list))
11511 ;; Remove list identifiers from subject
11512 (when gnus-list-identifiers
11513 (gnus-summary-remove-list-identifiers))
11514 ;; First and last article in this newsgroup.
11515 (when gnus-newsgroup-headers
11516 (setq gnus-newsgroup-begin
11517 (mail-header-number (car gnus-newsgroup-headers))
11519 (mail-header-number
11520 (gnus-last-element gnus-newsgroup-headers))))
11521 (when gnus-use-scoring
11522 (gnus-possibly-score-headers))))
11524 (defun gnus-summary-insert-old-articles (&optional all)
11525 "Insert all old articles in this group.
11526 If ALL is non-nil, already read articles become readable.
11527 If ALL is a number, fetch this number of articles."
11530 (let ((old (sort (mapcar 'car gnus-newsgroup-data) '<))
11533 ;; Some nntp servers lie about their active range. When
11534 ;; this happens, the active range can be in the millions.
11535 ;; Use a compressed range to avoid creating a huge list.
11536 (gnus-range-difference (list gnus-newsgroup-active) old))
11537 (setq len (gnus-range-length older))
11542 (let ((older-range (nreverse older)))
11546 (let* ((r (pop older-range))
11547 (min (if (numberp r) r (car r)))
11548 (max (if (numberp r) r (cdr r))))
11549 (while (and (<= min max)
11554 (setq older (gnus-uncompress-range older))))
11556 (setq older (gnus-uncompress-range older)))
11558 (when (and (numberp gnus-large-newsgroup)
11559 (> len gnus-large-newsgroup))
11560 (let* ((cursor-in-echo-area nil)
11561 (initial (gnus-parameter-large-newsgroup-initial
11562 gnus-newsgroup-name))
11566 "How many articles from %s (%s %d): "
11568 (gnus-group-decoded-name gnus-newsgroup-name) 35)
11569 (if initial "max" "default")
11572 (cons (number-to-string initial)
11574 (unless (string-match "^[ \t]*$" input)
11575 (setq all (string-to-number input))
11577 (let ((older-range (nreverse older)))
11581 (let* ((r (pop older-range))
11582 (min (if (numberp r) r (car r)))
11583 (max (if (numberp r) r (cdr r))))
11584 (while (and (<= min max)
11588 max (1- max))))))))))
11589 (setq older (gnus-uncompress-range older))))
11591 (message "No old news.")
11592 (gnus-summary-insert-articles older)
11593 (gnus-summary-limit (gnus-sorted-nunion old older))))
11594 (gnus-summary-position-point)))
11596 (defun gnus-summary-insert-new-articles ()
11597 "Insert all new articles in this group."
11600 (let ((old (sort (mapcar 'car gnus-newsgroup-data) '<))
11601 (old-active gnus-newsgroup-active)
11602 (nnmail-fetched-sources (list t))
11604 (setq gnus-newsgroup-active
11605 (gnus-activate-group gnus-newsgroup-name 'scan))
11606 (setq i (cdr gnus-newsgroup-active))
11607 (while (> i (cdr old-active))
11611 (message "No gnus is bad news.")
11612 (gnus-summary-insert-articles new)
11613 (setq gnus-newsgroup-unreads
11614 (gnus-sorted-nunion gnus-newsgroup-unreads new))
11615 (gnus-summary-limit (gnus-sorted-nunion old new))))
11616 (gnus-summary-position-point)))
11618 (gnus-summary-make-all-marking-commands)
11620 (gnus-ems-redefine)
11622 (provide 'gnus-sum)
11624 (run-hooks 'gnus-sum-load-hook)
11626 ;; Local Variables:
11627 ;; coding: iso-8859-1
11630 ;;; gnus-sum.el ends here