1 ;;; gnus-sum.el --- summary mode commands for Gnus
2 ;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002
3 ;; Free Software Foundation, Inc.
5 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
8 ;; This file is part of GNU Emacs.
10 ;; GNU Emacs is free software; you can redistribute it and/or modify
11 ;; it under the terms of the GNU General Public License as published by
12 ;; the Free Software Foundation; either version 2, or (at your option)
15 ;; GNU Emacs is distributed in the hope that it will be useful,
16 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 ;; GNU General Public License for more details.
20 ;; You should have received a copy of the GNU General Public License
21 ;; along with GNU Emacs; see the file COPYING. If not, write to the
22 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
23 ;; Boston, MA 02111-1307, USA.
29 (eval-when-compile (require 'cl))
41 (autoload 'gnus-summary-limit-include-cached "gnus-cache" nil t)
42 (autoload 'gnus-cache-write-active "gnus-cache")
43 (autoload 'gnus-mailing-list-insinuate "gnus-ml" nil t)
44 (autoload 'turn-on-gnus-mailing-list-mode "gnus-ml" nil t)
45 (autoload 'mm-uu-dissect "mm-uu")
46 (autoload 'gnus-article-outlook-deuglify-article "deuglify"
47 "Deuglify broken Outlook (Express) articles and redisplay."
50 (defcustom gnus-kill-summary-on-exit t
51 "*If non-nil, kill the summary buffer when you exit from it.
52 If nil, the summary will become a \"*Dead Summary*\" buffer, and
53 it will be killed sometime later."
54 :group 'gnus-summary-exit
57 (defcustom gnus-fetch-old-headers nil
58 "*Non-nil means that Gnus will try to build threads by grabbing old headers.
59 If an unread article in the group refers to an older, already read (or
60 just marked as read) article, the old article will not normally be
61 displayed in the Summary buffer. If this variable is non-nil, Gnus
62 will attempt to grab the headers to the old articles, and thereby
63 build complete threads. If it has the value `some', only enough
64 headers to connect otherwise loose threads will be displayed. This
65 variable can also be a number. In that case, no more than that number
66 of old headers will be fetched. If it has the value `invisible', all
67 old headers will be fetched, but none will be displayed.
69 The server has to support NOV for any of this to work."
71 :type '(choice (const :tag "off" nil)
74 (sexp :menu-tag "other" t)))
76 (defcustom gnus-refer-thread-limit 200
77 "*The number of old headers to fetch when doing \\<gnus-summary-mode-map>\\[gnus-summary-refer-thread].
78 If t, fetch all the available old headers."
81 (sexp :menu-tag "other" t)))
83 (defcustom gnus-summary-make-false-root 'adopt
84 "*nil means that Gnus won't gather loose threads.
85 If the root of a thread has expired or been read in a previous
86 session, the information necessary to build a complete thread has been
87 lost. Instead of having many small sub-threads from this original thread
88 scattered all over the summary buffer, Gnus can gather them.
90 If non-nil, Gnus will try to gather all loose sub-threads from an
91 original thread into one large thread.
93 If this variable is non-nil, it should be one of `none', `adopt',
96 If this variable is `none', Gnus will not make a false root, but just
97 present the sub-threads after another.
98 If this variable is `dummy', Gnus will create a dummy root that will
99 have all the sub-threads as children.
100 If this variable is `adopt', Gnus will make one of the \"children\"
101 the parent and mark all the step-children as such.
102 If this variable is `empty', the \"children\" are printed with empty
103 subject fields. (Or rather, they will be printed with a string
104 given by the `gnus-summary-same-subject' variable.)"
106 :type '(choice (const :tag "off" nil)
112 (defcustom gnus-summary-gather-exclude-subject "^ *$\\|^(none)$"
113 "*A regexp to match subjects to be excluded from loose thread gathering.
114 As loose thread gathering is done on subjects only, that means that
115 there can be many false gatherings performed. By rooting out certain
116 common subjects, gathering might become saner."
120 (defcustom gnus-summary-gather-subject-limit nil
121 "*Maximum length of subject comparisons when gathering loose threads.
122 Use nil to compare full subjects. Setting this variable to a low
123 number will help gather threads that have been corrupted by
124 newsreaders chopping off subject lines, but it might also mean that
125 unrelated articles that have subject that happen to begin with the
126 same few characters will be incorrectly gathered.
128 If this variable is `fuzzy', Gnus will use a fuzzy algorithm when
131 :type '(choice (const :tag "off" nil)
133 (sexp :menu-tag "on" t)))
135 (defcustom gnus-simplify-subject-functions nil
136 "List of functions taking a string argument that simplify subjects.
137 The functions are applied recursively.
139 Useful functions to put in this list include:
140 `gnus-simplify-subject-re', `gnus-simplify-subject-fuzzy',
141 `gnus-simplify-whitespace', and `gnus-simplify-all-whitespace'."
143 :type '(repeat function))
145 (defcustom gnus-simplify-ignored-prefixes nil
146 "*Regexp, matches for which are removed from subject lines when simplifying fuzzily."
148 :type '(choice (const :tag "off" nil)
151 (defcustom gnus-build-sparse-threads nil
152 "*If non-nil, fill in the gaps in threads.
153 If `some', only fill in the gaps that are needed to tie loose threads
154 together. If `more', fill in all leaf nodes that Gnus can find. If
155 non-nil and non-`some', fill in all gaps that Gnus manages to guess."
157 :type '(choice (const :tag "off" nil)
160 (sexp :menu-tag "all" t)))
162 (defcustom gnus-summary-thread-gathering-function
163 'gnus-gather-threads-by-subject
164 "*Function used for gathering loose threads.
165 There are two pre-defined functions: `gnus-gather-threads-by-subject',
166 which only takes Subjects into consideration; and
167 `gnus-gather-threads-by-references', which compared the References
168 headers of the articles to find matches."
170 :type '(radio (function-item gnus-gather-threads-by-subject)
171 (function-item gnus-gather-threads-by-references)
172 (function :tag "other")))
174 (defcustom gnus-summary-same-subject ""
175 "*String indicating that the current article has the same subject as the previous.
176 This variable will only be used if the value of
177 `gnus-summary-make-false-root' is `empty'."
178 :group 'gnus-summary-format
181 (defcustom gnus-summary-goto-unread t
182 "*If t, many commands will go to the next unread article.
183 This applies to marking commands as well as other commands that
184 \"naturally\" select the next article, like, for instance, `SPC' at
185 the end of an article.
187 If nil, the marking commands do NOT go to the next unread article
188 \(they go to the next article instead). If `never', commands that
189 usually go to the next unread article, will go to the next article,
190 whether it is read or not."
191 :group 'gnus-summary-marks
192 :link '(custom-manual "(gnus)Setting Marks")
193 :type '(choice (const :tag "off" nil)
195 (sexp :menu-tag "on" t)))
197 (defcustom gnus-summary-default-score 0
198 "*Default article score level.
199 All scores generated by the score files will be added to this score.
200 If this variable is nil, scoring will be disabled."
201 :group 'gnus-score-default
202 :type '(choice (const :tag "disable")
205 (defcustom gnus-summary-default-high-score 0
206 "*Default threshold for a high scored article.
207 An article will be highlighted as high scored if its score is greater
209 :group 'gnus-score-default
212 (defcustom gnus-summary-default-low-score 0
213 "*Default threshold for a low scored article.
214 An article will be highlighted as low scored if its score is smaller
216 :group 'gnus-score-default
219 (defcustom gnus-summary-zcore-fuzz 0
220 "*Fuzziness factor for the zcore in the summary buffer.
221 Articles with scores closer than this to `gnus-summary-default-score'
223 :group 'gnus-summary-format
226 (defcustom gnus-simplify-subject-fuzzy-regexp nil
227 "*Strings to be removed when doing fuzzy matches.
228 This can either be a regular expression or list of regular expressions
229 that will be removed from subject strings if fuzzy subject
230 simplification is selected."
232 :type '(repeat regexp))
234 (defcustom gnus-show-threads t
235 "*If non-nil, display threads in summary mode."
239 (defcustom gnus-thread-hide-subtree nil
240 "*If non-nil, hide all threads initially.
241 This can be a predicate specifier which says which threads to hide.
242 If threads are hidden, you have to run the command
243 `gnus-summary-show-thread' by hand or use `gnus-select-article-hook'
244 to expose hidden threads."
248 (defcustom gnus-thread-hide-killed t
249 "*If non-nil, hide killed threads automatically."
253 (defcustom gnus-thread-ignore-subject t
254 "*If non-nil, which is the default, ignore subjects and do all threading based on the Reference header.
255 If nil, articles that have different subjects from their parents will
256 start separate threads."
260 (defcustom gnus-thread-operation-ignore-subject t
261 "*If non-nil, subjects will be ignored when doing thread commands.
262 This affects commands like `gnus-summary-kill-thread' and
263 `gnus-summary-lower-thread'.
265 If this variable is nil, articles in the same thread with different
266 subjects will not be included in the operation in question. If this
267 variable is `fuzzy', only articles that have subjects that are fuzzily
268 equal will be included."
270 :type '(choice (const :tag "off" nil)
274 (defcustom gnus-thread-indent-level 4
275 "*Number that says how much each sub-thread should be indented."
279 (defcustom gnus-auto-extend-newsgroup t
280 "*If non-nil, extend newsgroup forward and backward when requested."
281 :group 'gnus-summary-choose
284 (defcustom gnus-auto-select-first t
285 "*If non-nil, select the article under point.
286 Which article this is is controlled by the `gnus-auto-select-subject'
289 If you want to prevent automatic selection of articles in some
290 newsgroups, set the variable to nil in `gnus-select-group-hook'."
291 :group 'gnus-group-select
292 :type '(choice (const :tag "none" nil)
293 (sexp :menu-tag "first" t)))
295 (defcustom gnus-auto-select-subject 'unread
296 "*Says what subject to place under point when entering a group.
298 This variable can either be the symbols `first' (place point on the
299 first subject), `unread' (place point on the subject line of the first
300 unread article), `best' (place point on the subject line of the
301 higest-scored article), `unseen' (place point on the subject line of
302 the first unseen article), 'unseen-or-unread' (place point on the subject
303 line of the first unseen article or, if all article have been seen, on the
304 subject line of the first unread article), or a function to be called to
305 place point on some subject line."
306 :group 'gnus-group-select
307 :type '(choice (const best)
311 (const unseen-or-unread)))
313 (defcustom gnus-auto-select-next t
314 "*If non-nil, offer to go to the next group from the end of the previous.
315 If the value is t and the next newsgroup is empty, Gnus will exit
316 summary mode and go back to group mode. If the value is neither nil
317 nor t, Gnus will select the following unread newsgroup. In
318 particular, if the value is the symbol `quietly', the next unread
319 newsgroup will be selected without any confirmation, and if it is
320 `almost-quietly', the next group will be selected without any
321 confirmation if you are located on the last article in the group.
322 Finally, if this variable is `slightly-quietly', the `Z n' command
323 will go to the next group without confirmation."
324 :group 'gnus-summary-maneuvering
325 :type '(choice (const :tag "off" nil)
327 (const almost-quietly)
328 (const slightly-quietly)
329 (sexp :menu-tag "on" t)))
331 (defcustom gnus-auto-select-same nil
332 "*If non-nil, select the next article with the same subject.
333 If there are no more articles with the same subject, go to
334 the first unread article."
335 :group 'gnus-summary-maneuvering
338 (defcustom gnus-summary-check-current nil
339 "*If non-nil, consider the current article when moving.
340 The \"unread\" movement commands will stay on the same line if the
341 current article is unread."
342 :group 'gnus-summary-maneuvering
345 (defcustom gnus-auto-center-summary t
346 "*If non-nil, always center the current summary buffer.
347 In particular, if `vertical' do only vertical recentering. If non-nil
348 and non-`vertical', do both horizontal and vertical recentering."
349 :group 'gnus-summary-maneuvering
350 :type '(choice (const :tag "none" nil)
352 (integer :tag "height")
353 (sexp :menu-tag "both" t)))
355 (defcustom gnus-show-all-headers nil
356 "*If non-nil, don't hide any headers."
357 :group 'gnus-article-hiding
358 :group 'gnus-article-headers
361 (defcustom gnus-summary-ignore-duplicates nil
362 "*If non-nil, ignore articles with identical Message-ID headers."
366 (defcustom gnus-single-article-buffer t
367 "*If non-nil, display all articles in the same buffer.
368 If nil, each group will get its own article buffer."
369 :group 'gnus-article-various
372 (defcustom gnus-break-pages t
373 "*If non-nil, do page breaking on articles.
374 The page delimiter is specified by the `gnus-page-delimiter'
376 :group 'gnus-article-various
379 (defcustom gnus-move-split-methods nil
380 "*Variable used to suggest where articles are to be moved to.
381 It uses the same syntax as the `gnus-split-methods' variable.
382 However, whereas `gnus-split-methods' specifies file names as targets,
383 this variable specifies group names."
384 :group 'gnus-summary-mail
385 :type '(repeat (choice (list :value (fun) function)
386 (cons :value ("" "") regexp (repeat string))
389 (defcustom gnus-unread-mark ? ;Whitespace
390 "*Mark used for unread articles."
391 :group 'gnus-summary-marks
394 (defcustom gnus-ticked-mark ?!
395 "*Mark used for ticked articles."
396 :group 'gnus-summary-marks
399 (defcustom gnus-dormant-mark ??
400 "*Mark used for dormant articles."
401 :group 'gnus-summary-marks
404 (defcustom gnus-del-mark ?r
405 "*Mark used for del'd articles."
406 :group 'gnus-summary-marks
409 (defcustom gnus-read-mark ?R
410 "*Mark used for read articles."
411 :group 'gnus-summary-marks
414 (defcustom gnus-expirable-mark ?E
415 "*Mark used for expirable articles."
416 :group 'gnus-summary-marks
419 (defcustom gnus-killed-mark ?K
420 "*Mark used for killed articles."
421 :group 'gnus-summary-marks
424 (defcustom gnus-spam-mark ?H
425 "*Mark used for spam articles."
426 :group 'gnus-summary-marks
429 (defcustom gnus-souped-mark ?F
430 "*Mark used for souped articles."
431 :group 'gnus-summary-marks
434 (defcustom gnus-kill-file-mark ?X
435 "*Mark used for articles killed by kill files."
436 :group 'gnus-summary-marks
439 (defcustom gnus-low-score-mark ?Y
440 "*Mark used for articles with a low score."
441 :group 'gnus-summary-marks
444 (defcustom gnus-catchup-mark ?C
445 "*Mark used for articles that are caught up."
446 :group 'gnus-summary-marks
449 (defcustom gnus-replied-mark ?A
450 "*Mark used for articles that have been replied to."
451 :group 'gnus-summary-marks
454 (defcustom gnus-forwarded-mark ?F
455 "*Mark used for articles that have been forwarded."
456 :group 'gnus-summary-marks
459 (defcustom gnus-recent-mark ?N
460 "*Mark used for articles that are recent."
461 :group 'gnus-summary-marks
464 (defcustom gnus-cached-mark ?*
465 "*Mark used for articles that are in the cache."
466 :group 'gnus-summary-marks
469 (defcustom gnus-saved-mark ?S
470 "*Mark used for articles that have been saved."
471 :group 'gnus-summary-marks
474 (defcustom gnus-unseen-mark ?.
475 "*Mark used for articles that haven't been seen."
476 :group 'gnus-summary-marks
479 (defcustom gnus-no-mark ? ;Whitespace
480 "*Mark used for articles that have no other secondary mark."
481 :group 'gnus-summary-marks
484 (defcustom gnus-ancient-mark ?O
485 "*Mark used for ancient articles."
486 :group 'gnus-summary-marks
489 (defcustom gnus-sparse-mark ?Q
490 "*Mark used for sparsely reffed articles."
491 :group 'gnus-summary-marks
494 (defcustom gnus-canceled-mark ?G
495 "*Mark used for canceled articles."
496 :group 'gnus-summary-marks
499 (defcustom gnus-duplicate-mark ?M
500 "*Mark used for duplicate articles."
501 :group 'gnus-summary-marks
504 (defcustom gnus-undownloaded-mark ?@
505 "*Mark used for articles that weren't downloaded."
506 :group 'gnus-summary-marks
509 (defcustom gnus-downloadable-mark ?%
510 "*Mark used for articles that are to be downloaded."
511 :group 'gnus-summary-marks
514 (defcustom gnus-unsendable-mark ?=
515 "*Mark used for articles that won't be sent."
516 :group 'gnus-summary-marks
519 (defcustom gnus-score-over-mark ?+
520 "*Score mark used for articles with high scores."
521 :group 'gnus-summary-marks
524 (defcustom gnus-score-below-mark ?-
525 "*Score mark used for articles with low scores."
526 :group 'gnus-summary-marks
529 (defcustom gnus-empty-thread-mark ? ;Whitespace
530 "*There is no thread under the article."
531 :group 'gnus-summary-marks
534 (defcustom gnus-not-empty-thread-mark ?=
535 "*There is a thread under the article."
536 :group 'gnus-summary-marks
539 (defcustom gnus-view-pseudo-asynchronously nil
540 "*If non-nil, Gnus will view pseudo-articles asynchronously."
541 :group 'gnus-extract-view
544 (defcustom gnus-auto-expirable-marks
545 (list gnus-killed-mark gnus-del-mark gnus-catchup-mark
546 gnus-low-score-mark gnus-ancient-mark gnus-read-mark
547 gnus-souped-mark gnus-duplicate-mark)
548 "*The list of marks converted into expiration if a group is auto-expirable."
551 :type '(repeat character))
553 (defcustom gnus-inhibit-user-auto-expire t
554 "*If non-nil, user marking commands will not mark an article as expirable, even if the group has auto-expire turned on."
559 (defcustom gnus-view-pseudos nil
560 "*If `automatic', pseudo-articles will be viewed automatically.
561 If `not-confirm', pseudos will be viewed automatically, and the user
562 will not be asked to confirm the command."
563 :group 'gnus-extract-view
564 :type '(choice (const :tag "off" nil)
566 (const not-confirm)))
568 (defcustom gnus-view-pseudos-separately t
569 "*If non-nil, one pseudo-article will be created for each file to be viewed.
570 If nil, all files that use the same viewing command will be given as a
571 list of parameters to that command."
572 :group 'gnus-extract-view
575 (defcustom gnus-insert-pseudo-articles t
576 "*If non-nil, insert pseudo-articles when decoding articles."
577 :group 'gnus-extract-view
580 (defcustom gnus-summary-dummy-line-format
582 "*The format specification for the dummy roots in the summary buffer.
583 It works along the same lines as a normal formatting string,
584 with some simple extensions.
588 General format specifiers can also be used.
589 See `(gnus)Formatting Variables'."
590 :link '(custom-manual "(gnus)Formatting Variables")
591 :group 'gnus-threading
594 (defcustom gnus-summary-mode-line-format "Gnus: %g [%A] %Z"
595 "*The format specification for the summary mode line.
596 It works along the same lines as a normal formatting string,
597 with some simple extensions:
600 %p Unprefixed group name
601 %A Current article number
602 %z Current article score
604 %U Number of unread articles in the group
605 %e Number of unselected articles in the group
606 %Z A string with unread/unselected article counts
607 %g Shortish group name
608 %S Subject of the current article
610 %s Current score file name
611 %d Number of dormant articles
612 %r Number of articles that have been marked as read in this session
613 %E Number of articles expunged by the score files"
614 :group 'gnus-summary-format
617 (defcustom gnus-list-identifiers nil
618 "Regexp that matches list identifiers to be removed from subject.
619 This can also be a list of regexps."
621 :group 'gnus-summary-format
622 :group 'gnus-article-hiding
623 :type '(choice (const :tag "none" nil)
625 (repeat :value (".*") regexp)))
627 (defcustom gnus-summary-mark-below 0
628 "*Mark all articles with a score below this variable as read.
629 This variable is local to each summary buffer and usually set by the
631 :group 'gnus-score-default
634 (defcustom gnus-article-sort-functions '(gnus-article-sort-by-number)
635 "*List of functions used for sorting articles in the summary buffer.
637 Each function takes two articles and returns non-nil if the first
638 article should be sorted before the other. If you use more than one
639 function, the primary sort function should be the last. You should
640 probably always include `gnus-article-sort-by-number' in the list of
641 sorting functions -- preferably first. Also note that sorting by date
642 is often much slower than sorting by number, and the sorting order is
643 very similar. (Sorting by date means sorting by the time the message
644 was sent, sorting by number means sorting by arrival time.)
646 Ready-made functions include `gnus-article-sort-by-number',
647 `gnus-article-sort-by-author', `gnus-article-sort-by-subject',
648 `gnus-article-sort-by-date', `gnus-article-sort-by-random'
649 and `gnus-article-sort-by-score'.
651 When threading is turned on, the variable `gnus-thread-sort-functions'
652 controls how articles are sorted."
653 :group 'gnus-summary-sort
654 :type '(repeat (choice (function-item gnus-article-sort-by-number)
655 (function-item gnus-article-sort-by-author)
656 (function-item gnus-article-sort-by-subject)
657 (function-item gnus-article-sort-by-date)
658 (function-item gnus-article-sort-by-score)
659 (function-item gnus-article-sort-by-random)
660 (function :tag "other"))))
662 (defcustom gnus-thread-sort-functions '(gnus-thread-sort-by-number)
663 "*List of functions used for sorting threads in the summary buffer.
664 By default, threads are sorted by article number.
666 Each function takes two threads and returns non-nil if the first
667 thread should be sorted before the other. If you use more than one
668 function, the primary sort function should be the last. You should
669 probably always include `gnus-thread-sort-by-number' in the list of
670 sorting functions -- preferably first. Also note that sorting by date
671 is often much slower than sorting by number, and the sorting order is
672 very similar. (Sorting by date means sorting by the time the message
673 was sent, sorting by number means sorting by arrival time.)
675 Ready-made functions include `gnus-thread-sort-by-number',
676 `gnus-thread-sort-by-author', `gnus-thread-sort-by-subject',
677 `gnus-thread-sort-by-date', `gnus-thread-sort-by-score',
678 `gnus-thread-sort-by-most-recent-number',
679 `gnus-thread-sort-by-most-recent-date',
680 `gnus-thread-sort-by-random', and
681 `gnus-thread-sort-by-total-score' (see `gnus-thread-score-function').
683 When threading is turned off, the variable
684 `gnus-article-sort-functions' controls how articles are sorted."
685 :group 'gnus-summary-sort
686 :type '(repeat (choice (function-item gnus-thread-sort-by-number)
687 (function-item gnus-thread-sort-by-author)
688 (function-item gnus-thread-sort-by-subject)
689 (function-item gnus-thread-sort-by-date)
690 (function-item gnus-thread-sort-by-score)
691 (function-item gnus-thread-sort-by-total-score)
692 (function-item gnus-thread-sort-by-random)
693 (function :tag "other"))))
695 (defcustom gnus-thread-score-function '+
696 "*Function used for calculating the total score of a thread.
698 The function is called with the scores of the article and each
699 subthread and should then return the score of the thread.
701 Some functions you can use are `+', `max', or `min'."
702 :group 'gnus-summary-sort
705 (defcustom gnus-summary-expunge-below nil
706 "All articles that have a score less than this variable will be expunged.
707 This variable is local to the summary buffers."
708 :group 'gnus-score-default
709 :type '(choice (const :tag "off" nil)
712 (defcustom gnus-thread-expunge-below nil
713 "All threads that have a total score less than this variable will be expunged.
714 See `gnus-thread-score-function' for en explanation of what a
717 This variable is local to the summary buffers."
718 :group 'gnus-threading
719 :group 'gnus-score-default
720 :type '(choice (const :tag "off" nil)
723 (defcustom gnus-summary-mode-hook nil
724 "*A hook for Gnus summary mode.
725 This hook is run before any variables are set in the summary buffer."
726 :options '(turn-on-gnus-mailing-list-mode gnus-pick-mode)
727 :group 'gnus-summary-various
730 ;; Extracted from gnus-xmas-redefine in order to preserve user settings
731 (when (featurep 'xemacs)
732 (add-hook 'gnus-summary-mode-hook 'gnus-xmas-summary-menu-add)
733 (add-hook 'gnus-summary-mode-hook 'gnus-xmas-setup-summary-toolbar)
734 (add-hook 'gnus-summary-mode-hook
735 'gnus-xmas-switch-horizontal-scrollbar-off))
737 (defcustom gnus-summary-menu-hook nil
738 "*Hook run after the creation of the summary mode menu."
739 :group 'gnus-summary-visual
742 (defcustom gnus-summary-exit-hook nil
743 "*A hook called on exit from the summary buffer.
744 It will be called with point in the group buffer."
745 :group 'gnus-summary-exit
748 (defcustom gnus-summary-prepare-hook nil
749 "*A hook called after the summary buffer has been generated.
750 If you want to modify the summary buffer, you can use this hook."
751 :group 'gnus-summary-various
754 (defcustom gnus-summary-prepared-hook nil
755 "*A hook called as the last thing after the summary buffer has been generated."
756 :group 'gnus-summary-various
759 (defcustom gnus-summary-generate-hook nil
760 "*A hook run just before generating the summary buffer.
761 This hook is commonly used to customize threading variables and the
763 :group 'gnus-summary-various
766 (defcustom gnus-select-group-hook nil
767 "*A hook called when a newsgroup is selected.
769 If you'd like to simplify subjects like the
770 `gnus-summary-next-same-subject' command does, you can use the
773 (add-hook gnus-select-group-hook
775 (mapcar (lambda (header)
776 (mail-header-set-subject
778 (gnus-simplify-subject
779 (mail-header-subject header) 're-only)))
780 gnus-newsgroup-headers)))"
781 :group 'gnus-group-select
784 (defcustom gnus-select-article-hook nil
785 "*A hook called when an article is selected."
786 :group 'gnus-summary-choose
789 (defcustom gnus-visual-mark-article-hook
790 (list 'gnus-highlight-selected-summary)
791 "*Hook run after selecting an article in the summary buffer.
792 It is meant to be used for highlighting the article in some way. It
793 is not run if `gnus-visual' is nil."
794 :group 'gnus-summary-visual
797 (defcustom gnus-parse-headers-hook nil
798 "*A hook called before parsing the headers."
802 (defcustom gnus-exit-group-hook nil
803 "*A hook called when exiting summary mode.
804 This hook is not called from the non-updating exit commands like `Q'."
808 (defcustom gnus-summary-update-hook
809 (list 'gnus-summary-highlight-line)
810 "*A hook called when a summary line is changed.
811 The hook will not be called if `gnus-visual' is nil.
813 The default function `gnus-summary-highlight-line' will
814 highlight the line according to the `gnus-summary-highlight'
816 :group 'gnus-summary-visual
819 (defcustom gnus-mark-article-hook '(gnus-summary-mark-read-and-unread-as-read)
820 "*A hook called when an article is selected for the first time.
821 The hook is intended to mark an article as read (or unread)
822 automatically when it is selected."
823 :group 'gnus-summary-choose
826 (defcustom gnus-group-no-more-groups-hook nil
827 "*A hook run when returning to group mode having no more (unread) groups."
828 :group 'gnus-group-select
831 (defcustom gnus-ps-print-hook nil
832 "*A hook run before ps-printing something from Gnus."
836 (defcustom gnus-summary-display-arrow
837 (and (fboundp 'display-graphic-p)
839 "*If non-nil, display an arrow highlighting the current article."
844 (defcustom gnus-summary-selected-face 'gnus-summary-selected-face
845 "Face used for highlighting the current article in the summary buffer."
846 :group 'gnus-summary-visual
849 (defcustom gnus-summary-highlight
850 '(((eq mark gnus-canceled-mark)
851 . gnus-summary-cancelled-face)
852 ((and (> score default-high)
853 (or (eq mark gnus-dormant-mark)
854 (eq mark gnus-ticked-mark)))
855 . gnus-summary-high-ticked-face)
856 ((and (< score default-low)
857 (or (eq mark gnus-dormant-mark)
858 (eq mark gnus-ticked-mark)))
859 . gnus-summary-low-ticked-face)
860 ((or (eq mark gnus-dormant-mark)
861 (eq mark gnus-ticked-mark))
862 . gnus-summary-normal-ticked-face)
863 ((and (> score default-high) (eq mark gnus-ancient-mark))
864 . gnus-summary-high-ancient-face)
865 ((and (< score default-low) (eq mark gnus-ancient-mark))
866 . gnus-summary-low-ancient-face)
867 ((eq mark gnus-ancient-mark)
868 . gnus-summary-normal-ancient-face)
869 ((and (> score default-high) (eq mark gnus-unread-mark))
870 . gnus-summary-high-unread-face)
871 ((and (< score default-low) (eq mark gnus-unread-mark))
872 . gnus-summary-low-unread-face)
873 ((eq mark gnus-unread-mark)
874 . gnus-summary-normal-unread-face)
875 ((and (> score default-high) (memq mark (list gnus-downloadable-mark
876 gnus-undownloaded-mark)))
877 . gnus-summary-high-unread-face)
878 ((and (< score default-low) (memq mark (list gnus-downloadable-mark
879 gnus-undownloaded-mark)))
880 . gnus-summary-low-unread-face)
881 ((and (memq mark (list gnus-downloadable-mark gnus-undownloaded-mark))
882 (memq article gnus-newsgroup-unreads))
883 . gnus-summary-normal-unread-face)
884 ((memq mark (list gnus-downloadable-mark gnus-undownloaded-mark))
885 . gnus-summary-normal-read-face)
886 ((> score default-high)
887 . gnus-summary-high-read-face)
888 ((< score default-low)
889 . gnus-summary-low-read-face)
891 . gnus-summary-normal-read-face))
892 "*Controls the highlighting of summary buffer lines.
894 A list of (FORM . FACE) pairs. When deciding how a a particular
895 summary line should be displayed, each form is evaluated. The content
896 of the face field after the first true form is used. You can change
897 how those summary lines are displayed, by editing the face field.
899 You can use the following variables in the FORM field.
901 score: The article's score
902 default: The default article score.
903 default-high: The default score for high scored articles.
904 default-low: The default score for low scored articles.
905 below: The score below which articles are automatically marked as read.
906 mark: The articles mark."
907 :group 'gnus-summary-visual
908 :type '(repeat (cons (sexp :tag "Form" nil)
911 (defcustom gnus-alter-header-function nil
912 "Function called to allow alteration of article header structures.
913 The function is called with one parameter, the article header vector,
914 which it may alter in any way.")
916 (defvar gnus-decode-encoded-word-function 'mail-decode-encoded-word-string
917 "Variable that says which function should be used to decode a string with encoded words.")
919 (defcustom gnus-extra-headers '(To Newsgroups)
920 "*Extra headers to parse."
923 :type '(repeat symbol))
925 (defcustom gnus-ignored-from-addresses
926 (and user-mail-address (regexp-quote user-mail-address))
927 "*Regexp of From headers that may be suppressed in favor of To headers."
932 (defcustom gnus-newsgroup-ignored-charsets '(unknown-8bit x-unknown)
933 "List of charsets that should be ignored.
934 When these charsets are used in the \"charset\" parameter, the
935 default charset will be used instead."
937 :type '(repeat symbol)
938 :group 'gnus-charset)
940 (gnus-define-group-parameter
944 "Return the ignored charsets of GROUP."
945 :variable gnus-group-ignored-charsets-alist
947 '(("alt\\.chinese\\.text" iso-8859-1))
949 "Alist of regexps (to match group names) and charsets that should be ignored.
950 When these charsets are used in the \"charset\" parameter, the
951 default charset will be used instead."
952 :variable-group gnus-charset
953 :variable-type '(repeat (cons (regexp :tag "Group")
955 :parameter-type '(choice :tag "Ignored charsets"
958 :parameter-document "\
959 List of charsets that should be ignored.
961 When these charsets are used in the \"charset\" parameter, the
962 default charset will be used instead.")
964 (defcustom gnus-group-highlight-words-alist nil
965 "Alist of group regexps and highlight regexps.
966 This variable uses the same syntax as `gnus-emphasis-alist'."
968 :type '(repeat (cons (regexp :tag "Group")
969 (repeat (list (regexp :tag "Highlight regexp")
970 (number :tag "Group for entire word" 0)
971 (number :tag "Group for displayed part" 0)
973 gnus-emphasis-highlight-words)))))
974 :group 'gnus-summary-visual)
976 (defcustom gnus-summary-show-article-charset-alist
978 "Alist of number and charset.
979 The article will be shown with the charset corresponding to the
981 For example: ((1 . cn-gb-2312) (2 . big5))."
983 :type '(repeat (cons (number :tag "Argument" 1)
984 (symbol :tag "Charset")))
985 :group 'gnus-charset)
987 (defcustom gnus-preserve-marks t
988 "Whether marks are preserved when moving, copying and respooling messages."
991 :group 'gnus-summary-marks)
993 (defcustom gnus-alter-articles-to-read-function nil
994 "Function to be called to alter the list of articles to be selected."
995 :type '(choice (const nil) function)
996 :group 'gnus-summary)
998 (defcustom gnus-orphan-score nil
999 "*All orphans get this score added. Set in the score file."
1000 :group 'gnus-score-default
1001 :type '(choice (const nil)
1004 (defcustom gnus-summary-save-parts-default-mime "image/.*"
1005 "*A regexp to match MIME parts when saving multiple parts of a message
1006 with gnus-summary-save-parts (X m). This regexp will be used by default
1007 when prompting the user for which type of files to save."
1008 :group 'gnus-summary
1011 (defcustom gnus-read-all-available-headers nil
1012 "Whether Gnus should parse all headers made available to it.
1013 This is mostly relevant for slow backends where the user may
1014 wish to widen the summary buffer to include all headers
1015 that were fetched. Say, for nnultimate groups."
1016 :group 'gnus-summary
1017 :type '(choice boolean regexp))
1019 (defcustom gnus-summary-muttprint-program "muttprint"
1020 "Command (and optional arguments) used to run Muttprint."
1022 :group 'gnus-summary
1025 (defcustom gnus-article-loose-mime nil
1026 "If non-nil, don't require MIME-Version header.
1027 Some brain-damaged MUA/MTA, e.g. Lotus Domino 5.0.6 clients, does not
1028 supply the MIME-Version header or deliberately strip it From the mail.
1029 Set it to non-nil, Gnus will treat some articles as MIME even if
1030 the MIME-Version header is missed."
1033 :group 'gnus-article)
1035 ;;; Internal variables
1037 (defvar gnus-summary-display-cache nil)
1038 (defvar gnus-article-mime-handles nil)
1039 (defvar gnus-article-decoded-p nil)
1040 (defvar gnus-article-charset nil)
1041 (defvar gnus-article-ignored-charsets nil)
1042 (defvar gnus-scores-exclude-files nil)
1043 (defvar gnus-page-broken nil)
1044 (defvar gnus-inhibit-mime-unbuttonizing nil)
1046 (defvar gnus-original-article nil)
1047 (defvar gnus-article-internal-prepare-hook nil)
1048 (defvar gnus-newsgroup-process-stack nil)
1050 (defvar gnus-thread-indent-array nil)
1051 (defvar gnus-thread-indent-array-level gnus-thread-indent-level)
1052 (defvar gnus-sort-gathered-threads-function 'gnus-thread-sort-by-number
1053 "Function called to sort the articles within a thread after it has been gathered together.")
1055 (defvar gnus-summary-save-parts-type-history nil)
1056 (defvar gnus-summary-save-parts-last-directory nil)
1058 ;; Avoid highlighting in kill files.
1059 (defvar gnus-summary-inhibit-highlight nil)
1060 (defvar gnus-newsgroup-selected-overlay nil)
1061 (defvar gnus-inhibit-limiting nil)
1062 (defvar gnus-newsgroup-adaptive-score-file nil)
1063 (defvar gnus-current-score-file nil)
1064 (defvar gnus-current-move-group nil)
1065 (defvar gnus-current-copy-group nil)
1066 (defvar gnus-current-crosspost-group nil)
1067 (defvar gnus-newsgroup-display nil)
1069 (defvar gnus-newsgroup-dependencies nil)
1070 (defvar gnus-newsgroup-adaptive nil)
1071 (defvar gnus-summary-display-article-function nil)
1072 (defvar gnus-summary-highlight-line-function nil
1073 "Function called after highlighting a summary line.")
1075 (defvar gnus-summary-line-format-alist
1076 `((?N ,(macroexpand '(mail-header-number gnus-tmp-header)) ?d)
1077 (?S ,(macroexpand '(mail-header-subject gnus-tmp-header)) ?s)
1078 (?s gnus-tmp-subject-or-nil ?s)
1079 (?n gnus-tmp-name ?s)
1080 (?A (car (cdr (funcall gnus-extract-address-components gnus-tmp-from)))
1082 (?a (or (car (funcall gnus-extract-address-components gnus-tmp-from))
1084 (?F gnus-tmp-from ?s)
1085 (?x ,(macroexpand '(mail-header-xref gnus-tmp-header)) ?s)
1086 (?D ,(macroexpand '(mail-header-date gnus-tmp-header)) ?s)
1087 (?d (gnus-dd-mmm (mail-header-date gnus-tmp-header)) ?s)
1088 (?o (gnus-date-iso8601 (mail-header-date gnus-tmp-header)) ?s)
1089 (?M ,(macroexpand '(mail-header-id gnus-tmp-header)) ?s)
1090 (?r ,(macroexpand '(mail-header-references gnus-tmp-header)) ?s)
1091 (?c (or (mail-header-chars gnus-tmp-header) 0) ?d)
1092 (?k (gnus-summary-line-message-size gnus-tmp-header) ?s)
1093 (?L gnus-tmp-lines ?s)
1094 (?I gnus-tmp-indentation ?s)
1095 (?T (if (= gnus-tmp-level 0) "" (make-string (frame-width) ? )) ?s)
1096 (?R gnus-tmp-replied ?c)
1097 (?\[ gnus-tmp-opening-bracket ?c)
1098 (?\] gnus-tmp-closing-bracket ?c)
1099 (?\> (make-string gnus-tmp-level ? ) ?s)
1100 (?\< (make-string (max 0 (- 20 gnus-tmp-level)) ? ) ?s)
1101 (?i gnus-tmp-score ?d)
1102 (?z gnus-tmp-score-char ?c)
1103 (?l (bbb-grouplens-score gnus-tmp-header) ?s)
1104 (?V (gnus-thread-total-score (and (boundp 'thread) (car thread))) ?d)
1105 (?U gnus-tmp-unread ?c)
1106 (?f (gnus-summary-from-or-to-or-newsgroups gnus-tmp-header gnus-tmp-from)
1108 (?t (gnus-summary-number-of-articles-in-thread
1109 (and (boundp 'thread) (car thread)) gnus-tmp-level)
1111 (?e (gnus-summary-number-of-articles-in-thread
1112 (and (boundp 'thread) (car thread)) gnus-tmp-level t)
1114 (?u gnus-tmp-user-defined ?s)
1115 (?P (gnus-pick-line-number) ?d)
1116 (?B gnus-tmp-thread-tree-header-string ?s)
1117 (user-date (gnus-user-date
1118 ,(macroexpand '(mail-header-date gnus-tmp-header))) ?s))
1119 "An alist of format specifications that can appear in summary lines.
1120 These are paired with what variables they correspond with, along with
1121 the type of the variable (string, integer, character, etc).")
1123 (defvar gnus-summary-dummy-line-format-alist
1124 `((?S gnus-tmp-subject ?s)
1125 (?N gnus-tmp-number ?d)
1126 (?u gnus-tmp-user-defined ?s)))
1128 (defvar gnus-summary-mode-line-format-alist
1129 `((?G gnus-tmp-group-name ?s)
1130 (?g (gnus-short-group-name gnus-tmp-group-name) ?s)
1131 (?p (gnus-group-real-name gnus-tmp-group-name) ?s)
1132 (?A gnus-tmp-article-number ?d)
1133 (?Z gnus-tmp-unread-and-unselected ?s)
1134 (?V gnus-version ?s)
1135 (?U gnus-tmp-unread-and-unticked ?d)
1136 (?S gnus-tmp-subject ?s)
1137 (?e gnus-tmp-unselected ?d)
1138 (?u gnus-tmp-user-defined ?s)
1139 (?d (length gnus-newsgroup-dormant) ?d)
1140 (?t (length gnus-newsgroup-marked) ?d)
1141 (?h (length gnus-newsgroup-spam-marked) ?d)
1142 (?r (length gnus-newsgroup-reads) ?d)
1143 (?z (gnus-summary-article-score gnus-tmp-article-number) ?d)
1144 (?E gnus-newsgroup-expunged-tally ?d)
1145 (?s (gnus-current-score-file-nondirectory) ?s)))
1147 (defvar gnus-last-search-regexp nil
1148 "Default regexp for article search command.")
1150 (defvar gnus-last-shell-command nil
1151 "Default shell command on article.")
1153 (defvar gnus-newsgroup-begin nil)
1154 (defvar gnus-newsgroup-end nil)
1155 (defvar gnus-newsgroup-last-rmail nil)
1156 (defvar gnus-newsgroup-last-mail nil)
1157 (defvar gnus-newsgroup-last-folder nil)
1158 (defvar gnus-newsgroup-last-file nil)
1159 (defvar gnus-newsgroup-auto-expire nil)
1160 (defvar gnus-newsgroup-active nil)
1162 (defvar gnus-newsgroup-data nil)
1163 (defvar gnus-newsgroup-data-reverse nil)
1164 (defvar gnus-newsgroup-limit nil)
1165 (defvar gnus-newsgroup-limits nil)
1167 (defvar gnus-newsgroup-unreads nil
1168 "Sorted list of unread articles in the current newsgroup.")
1170 (defvar gnus-newsgroup-unselected nil
1171 "Sorted list of unselected unread articles in the current newsgroup.")
1173 (defvar gnus-newsgroup-reads nil
1174 "Alist of read articles and article marks in the current newsgroup.")
1176 (defvar gnus-newsgroup-expunged-tally nil)
1178 (defvar gnus-newsgroup-marked nil
1179 "Sorted list of ticked articles in the current newsgroup (a subset of unread art).")
1181 (defvar gnus-newsgroup-spam-marked nil
1182 "List of ranges of articles that have been marked as spam.")
1184 (defvar gnus-newsgroup-killed nil
1185 "List of ranges of articles that have been through the scoring process.")
1187 (defvar gnus-newsgroup-cached nil
1188 "Sorted list of articles that come from the article cache.")
1190 (defvar gnus-newsgroup-saved nil
1191 "List of articles that have been saved.")
1193 (defvar gnus-newsgroup-kill-headers nil)
1195 (defvar gnus-newsgroup-replied nil
1196 "List of articles that have been replied to in the current newsgroup.")
1198 (defvar gnus-newsgroup-forwarded nil
1199 "List of articles that have been forwarded in the current newsgroup.")
1201 (defvar gnus-newsgroup-recent nil
1202 "List of articles that have are recent in the current newsgroup.")
1204 (defvar gnus-newsgroup-expirable nil
1205 "Sorted list of articles in the current newsgroup that can be expired.")
1207 (defvar gnus-newsgroup-processable nil
1208 "List of articles in the current newsgroup that can be processed.")
1210 (defvar gnus-newsgroup-downloadable nil
1211 "Sorted list of articles in the current newsgroup that can be processed.")
1213 (defvar gnus-newsgroup-undownloaded nil
1214 "List of articles in the current newsgroup that haven't been downloaded..")
1216 (defvar gnus-newsgroup-unsendable nil
1217 "List of articles in the current newsgroup that won't be sent.")
1219 (defvar gnus-newsgroup-bookmarks nil
1220 "List of articles in the current newsgroup that have bookmarks.")
1222 (defvar gnus-newsgroup-dormant nil
1223 "Sorted list of dormant articles in the current newsgroup.")
1225 (defvar gnus-newsgroup-unseen nil
1226 "List of unseen articles in the current newsgroup.")
1228 (defvar gnus-newsgroup-seen nil
1229 "Range of seen articles in the current newsgroup.")
1231 (defvar gnus-newsgroup-articles nil
1232 "List of articles in the current newsgroup.")
1234 (defvar gnus-newsgroup-scored nil
1235 "List of scored articles in the current newsgroup.")
1237 (defvar gnus-newsgroup-headers nil
1238 "List of article headers in the current newsgroup.")
1240 (defvar gnus-newsgroup-threads nil)
1242 (defvar gnus-newsgroup-prepared nil
1243 "Whether the current group has been prepared properly.")
1245 (defvar gnus-newsgroup-ancient nil
1246 "List of `gnus-fetch-old-headers' articles in the current newsgroup.")
1248 (defvar gnus-newsgroup-sparse nil)
1250 (defvar gnus-current-article nil)
1251 (defvar gnus-article-current nil)
1252 (defvar gnus-current-headers nil)
1253 (defvar gnus-have-all-headers nil)
1254 (defvar gnus-last-article nil)
1255 (defvar gnus-newsgroup-history nil)
1256 (defvar gnus-newsgroup-charset nil)
1257 (defvar gnus-newsgroup-ephemeral-charset nil)
1258 (defvar gnus-newsgroup-ephemeral-ignored-charsets nil)
1260 (defvar gnus-article-before-search nil)
1262 (defconst gnus-summary-local-variables
1263 '(gnus-newsgroup-name
1264 gnus-newsgroup-begin gnus-newsgroup-end
1265 gnus-newsgroup-last-rmail gnus-newsgroup-last-mail
1266 gnus-newsgroup-last-folder gnus-newsgroup-last-file
1267 gnus-newsgroup-auto-expire gnus-newsgroup-unreads
1268 gnus-newsgroup-unselected gnus-newsgroup-marked
1269 gnus-newsgroup-spam-marked
1270 gnus-newsgroup-reads gnus-newsgroup-saved
1271 gnus-newsgroup-replied gnus-newsgroup-forwarded
1272 gnus-newsgroup-recent
1273 gnus-newsgroup-expirable
1274 gnus-newsgroup-processable gnus-newsgroup-killed
1275 gnus-newsgroup-downloadable gnus-newsgroup-undownloaded
1276 gnus-newsgroup-unsendable gnus-newsgroup-unseen
1277 gnus-newsgroup-seen gnus-newsgroup-articles
1278 gnus-newsgroup-bookmarks gnus-newsgroup-dormant
1279 gnus-newsgroup-headers gnus-newsgroup-threads
1280 gnus-newsgroup-prepared gnus-summary-highlight-line-function
1281 gnus-current-article gnus-current-headers gnus-have-all-headers
1282 gnus-last-article gnus-article-internal-prepare-hook
1283 gnus-newsgroup-dependencies gnus-newsgroup-selected-overlay
1284 gnus-newsgroup-scored gnus-newsgroup-kill-headers
1285 gnus-thread-expunge-below
1286 gnus-score-alist gnus-current-score-file
1287 (gnus-summary-expunge-below . global)
1288 (gnus-summary-mark-below . global)
1289 (gnus-orphan-score . global)
1290 gnus-newsgroup-active gnus-scores-exclude-files
1291 gnus-newsgroup-history gnus-newsgroup-ancient
1292 gnus-newsgroup-sparse gnus-newsgroup-process-stack
1293 (gnus-newsgroup-adaptive . gnus-use-adaptive-scoring)
1294 gnus-newsgroup-adaptive-score-file (gnus-reffed-article-number . -1)
1295 (gnus-newsgroup-expunged-tally . 0)
1296 gnus-cache-removable-articles gnus-newsgroup-cached
1297 gnus-newsgroup-data gnus-newsgroup-data-reverse
1298 gnus-newsgroup-limit gnus-newsgroup-limits
1299 gnus-newsgroup-charset gnus-newsgroup-display)
1300 "Variables that are buffer-local to the summary buffers.")
1302 (defvar gnus-newsgroup-variables nil
1303 "A list of variables that have separate values in different newsgroups.
1304 A list of newsgroup (summary buffer) local variables, or cons of
1305 variables and their default values (when the default values are not
1306 nil), that should be made global while the summary buffer is active.
1307 These variables can be used to set variables in the group parameters
1308 while still allowing them to affect operations done in other
1309 buffers. For example:
1311 \(setq gnus-newsgroup-variables
1312 '(message-use-followup-to
1313 (gnus-visible-headers .
1314 \"^From:\\\\|^Newsgroups:\\\\|^Subject:\\\\|^Date:\\\\|^To:\")))
1317 ;; Byte-compiler warning.
1318 (eval-when-compile (defvar gnus-article-mode-map))
1322 (defvar gnus-decode-encoded-word-methods
1323 '(mail-decode-encoded-word-string)
1324 "List of methods used to decode encoded words.
1326 This variable is a list of FUNCTION or (REGEXP . FUNCTION). If item
1327 is FUNCTION, FUNCTION will be apply to all newsgroups. If item is a
1328 \(REGEXP . FUNCTION), FUNCTION will be only apply to thes newsgroups
1329 whose names match REGEXP.
1332 \((\"chinese\" . gnus-decode-encoded-word-string-by-guess)
1333 mail-decode-encoded-word-string
1334 (\"chinese\" . rfc1843-decode-string))")
1336 (defvar gnus-decode-encoded-word-methods-cache nil)
1338 (defun gnus-multi-decode-encoded-word-string (string)
1339 "Apply the functions from `gnus-encoded-word-methods' that match."
1340 (unless (and gnus-decode-encoded-word-methods-cache
1341 (eq gnus-newsgroup-name
1342 (car gnus-decode-encoded-word-methods-cache)))
1343 (setq gnus-decode-encoded-word-methods-cache (list gnus-newsgroup-name))
1346 (nconc gnus-decode-encoded-word-methods-cache (list x))
1347 (if (and gnus-newsgroup-name
1348 (string-match (car x) gnus-newsgroup-name))
1349 (nconc gnus-decode-encoded-word-methods-cache
1351 gnus-decode-encoded-word-methods))
1352 (let ((xlist gnus-decode-encoded-word-methods-cache))
1355 (setq string (funcall (pop xlist) string))))
1358 ;; Subject simplification.
1360 (defun gnus-simplify-whitespace (str)
1361 "Remove excessive whitespace from STR."
1364 (while (string-match "[ \t][ \t]+" mystr)
1365 (setq mystr (concat (substring mystr 0 (match-beginning 0))
1367 (substring mystr (match-end 0)))))
1369 (when (string-match "^[ \t]+" mystr)
1370 (setq mystr (substring mystr (match-end 0))))
1372 (when (string-match "[ \t]+$" mystr)
1373 (setq mystr (substring mystr 0 (match-beginning 0))))
1376 (defun gnus-simplify-all-whitespace (str)
1377 "Remove all whitespace from STR."
1379 (while (string-match "[ \t\n]+" mystr)
1380 (setq mystr (replace-match "" nil nil mystr)))
1383 (defsubst gnus-simplify-subject-re (subject)
1384 "Remove \"Re:\" from subject lines."
1385 (if (string-match message-subject-re-regexp subject)
1386 (substring subject (match-end 0))
1389 (defun gnus-simplify-subject (subject &optional re-only)
1390 "Remove `Re:' and words in parentheses.
1391 If RE-ONLY is non-nil, strip leading `Re:'s only."
1392 (let ((case-fold-search t)) ;Ignore case.
1393 ;; Remove `Re:', `Re^N:', `Re(n)', and `Re[n]:'.
1394 (when (string-match "\\`\\(re\\([[(^][0-9]+[])]?\\)?:[ \t]*\\)+" subject)
1395 (setq subject (substring subject (match-end 0))))
1396 ;; Remove uninteresting prefixes.
1397 (when (and (not re-only)
1398 gnus-simplify-ignored-prefixes
1399 (string-match gnus-simplify-ignored-prefixes subject))
1400 (setq subject (substring subject (match-end 0))))
1401 ;; Remove words in parentheses from end.
1403 (while (string-match "[ \t\n]*([^()]*)[ \t\n]*\\'" subject)
1404 (setq subject (substring subject 0 (match-beginning 0)))))
1405 ;; Return subject string.
1408 ;; Remove any leading "re:"s, any trailing paren phrases, and simplify
1410 (defsubst gnus-simplify-buffer-fuzzy-step (regexp &optional newtext)
1411 (goto-char (point-min))
1412 (while (re-search-forward regexp nil t)
1413 (replace-match (or newtext ""))))
1415 (defun gnus-simplify-buffer-fuzzy ()
1416 "Simplify string in the buffer fuzzily.
1417 The string in the accessible portion of the current buffer is simplified.
1418 It is assumed to be a single-line subject.
1419 Whitespace is generally cleaned up, and miscellaneous leading/trailing
1420 matter is removed. Additional things can be deleted by setting
1421 `gnus-simplify-subject-fuzzy-regexp'."
1422 (let ((case-fold-search t)
1424 (gnus-simplify-buffer-fuzzy-step "\t" " ")
1426 (while (not (eq modified-tick (buffer-modified-tick)))
1427 (setq modified-tick (buffer-modified-tick))
1429 ((listp gnus-simplify-subject-fuzzy-regexp)
1430 (mapcar 'gnus-simplify-buffer-fuzzy-step
1431 gnus-simplify-subject-fuzzy-regexp))
1432 (gnus-simplify-subject-fuzzy-regexp
1433 (gnus-simplify-buffer-fuzzy-step gnus-simplify-subject-fuzzy-regexp)))
1434 (gnus-simplify-buffer-fuzzy-step "^ *\\[[-+?*!][-+?*!]\\] *")
1435 (gnus-simplify-buffer-fuzzy-step
1436 "^ *\\(re\\|fw\\|fwd\\)[[{(^0-9]*[])}]?[:;] *")
1437 (gnus-simplify-buffer-fuzzy-step "^[[].*:\\( .*\\)[]]$" "\\1"))
1439 (gnus-simplify-buffer-fuzzy-step " *[[{(][^()\n]*[]})] *$")
1440 (gnus-simplify-buffer-fuzzy-step " +" " ")
1441 (gnus-simplify-buffer-fuzzy-step " $")
1442 (gnus-simplify-buffer-fuzzy-step "^ +")))
1444 (defun gnus-simplify-subject-fuzzy (subject)
1445 "Simplify a subject string fuzzily.
1446 See `gnus-simplify-buffer-fuzzy' for details."
1448 (gnus-set-work-buffer)
1449 (let ((case-fold-search t))
1450 ;; Remove uninteresting prefixes.
1451 (when (and gnus-simplify-ignored-prefixes
1452 (string-match gnus-simplify-ignored-prefixes subject))
1453 (setq subject (substring subject (match-end 0))))
1455 (inline (gnus-simplify-buffer-fuzzy))
1458 (defsubst gnus-simplify-subject-fully (subject)
1459 "Simplify a subject string according to gnus-summary-gather-subject-limit."
1461 (gnus-simplify-subject-functions
1462 (gnus-map-function gnus-simplify-subject-functions subject))
1463 ((null gnus-summary-gather-subject-limit)
1464 (gnus-simplify-subject-re subject))
1465 ((eq gnus-summary-gather-subject-limit 'fuzzy)
1466 (gnus-simplify-subject-fuzzy subject))
1467 ((numberp gnus-summary-gather-subject-limit)
1468 (gnus-limit-string (gnus-simplify-subject-re subject)
1469 gnus-summary-gather-subject-limit))
1473 (defsubst gnus-subject-equal (s1 s2 &optional simple-first)
1474 "Check whether two subjects are equal.
1475 If optional argument simple-first is t, first argument is already
1478 ((null simple-first)
1479 (equal (gnus-simplify-subject-fully s1)
1480 (gnus-simplify-subject-fully s2)))
1483 (gnus-simplify-subject-fully s2)))))
1485 (defun gnus-summary-bubble-group ()
1486 "Increase the score of the current group.
1487 This is a handy function to add to `gnus-summary-exit-hook' to
1488 increase the score of each group you read."
1489 (gnus-group-add-score gnus-newsgroup-name))
1493 ;;; Gnus summary mode
1496 (put 'gnus-summary-mode 'mode-class 'special)
1498 (defvar gnus-article-commands-menu)
1501 ;; Non-orthogonal keys
1503 (gnus-define-keys gnus-summary-mode-map
1504 " " gnus-summary-next-page
1505 "\177" gnus-summary-prev-page
1506 [delete] gnus-summary-prev-page
1507 [backspace] gnus-summary-prev-page
1508 "\r" gnus-summary-scroll-up
1509 "\M-\r" gnus-summary-scroll-down
1510 "n" gnus-summary-next-unread-article
1511 "p" gnus-summary-prev-unread-article
1512 "N" gnus-summary-next-article
1513 "P" gnus-summary-prev-article
1514 "\M-\C-n" gnus-summary-next-same-subject
1515 "\M-\C-p" gnus-summary-prev-same-subject
1516 "\M-n" gnus-summary-next-unread-subject
1517 "\M-p" gnus-summary-prev-unread-subject
1518 "." gnus-summary-first-unread-article
1519 "," gnus-summary-best-unread-article
1520 "\M-s" gnus-summary-search-article-forward
1521 "\M-r" gnus-summary-search-article-backward
1522 "<" gnus-summary-beginning-of-article
1523 ">" gnus-summary-end-of-article
1524 "j" gnus-summary-goto-article
1525 "^" gnus-summary-refer-parent-article
1526 "\M-^" gnus-summary-refer-article
1527 "u" gnus-summary-tick-article-forward
1528 "!" gnus-summary-tick-article-forward
1529 "U" gnus-summary-tick-article-backward
1530 "d" gnus-summary-mark-as-read-forward
1531 "D" gnus-summary-mark-as-read-backward
1532 "E" gnus-summary-mark-as-expirable
1533 "\M-u" gnus-summary-clear-mark-forward
1534 "\M-U" gnus-summary-clear-mark-backward
1535 "k" gnus-summary-kill-same-subject-and-select
1536 "\C-k" gnus-summary-kill-same-subject
1537 "\M-\C-k" gnus-summary-kill-thread
1538 "\M-\C-l" gnus-summary-lower-thread
1539 "e" gnus-summary-edit-article
1540 "#" gnus-summary-mark-as-processable
1541 "\M-#" gnus-summary-unmark-as-processable
1542 "\M-\C-t" gnus-summary-toggle-threads
1543 "\M-\C-s" gnus-summary-show-thread
1544 "\M-\C-h" gnus-summary-hide-thread
1545 "\M-\C-f" gnus-summary-next-thread
1546 "\M-\C-b" gnus-summary-prev-thread
1547 [(meta down)] gnus-summary-next-thread
1548 [(meta up)] gnus-summary-prev-thread
1549 "\M-\C-u" gnus-summary-up-thread
1550 "\M-\C-d" gnus-summary-down-thread
1551 "&" gnus-summary-execute-command
1552 "c" gnus-summary-catchup-and-exit
1553 "\C-w" gnus-summary-mark-region-as-read
1554 "\C-t" gnus-summary-toggle-truncation
1555 "?" gnus-summary-mark-as-dormant
1556 "\C-c\M-\C-s" gnus-summary-limit-include-expunged
1557 "\C-c\C-s\C-n" gnus-summary-sort-by-number
1558 "\C-c\C-s\C-l" gnus-summary-sort-by-lines
1559 "\C-c\C-s\C-c" gnus-summary-sort-by-chars
1560 "\C-c\C-s\C-a" gnus-summary-sort-by-author
1561 "\C-c\C-s\C-s" gnus-summary-sort-by-subject
1562 "\C-c\C-s\C-d" gnus-summary-sort-by-date
1563 "\C-c\C-s\C-i" gnus-summary-sort-by-score
1564 "\C-c\C-s\C-o" gnus-summary-sort-by-original
1565 "\C-c\C-s\C-r" gnus-summary-sort-by-random
1566 "=" gnus-summary-expand-window
1567 "\C-x\C-s" gnus-summary-reselect-current-group
1568 "\M-g" gnus-summary-rescan-group
1569 "w" gnus-summary-stop-page-breaking
1570 "\C-c\C-r" gnus-summary-caesar-message
1571 "f" gnus-summary-followup
1572 "F" gnus-summary-followup-with-original
1573 "C" gnus-summary-cancel-article
1574 "r" gnus-summary-reply
1575 "R" gnus-summary-reply-with-original
1576 "\C-c\C-f" gnus-summary-mail-forward
1577 "o" gnus-summary-save-article
1578 "\C-o" gnus-summary-save-article-mail
1579 "|" gnus-summary-pipe-output
1580 "\M-k" gnus-summary-edit-local-kill
1581 "\M-K" gnus-summary-edit-global-kill
1583 "\C-c\C-d" gnus-summary-describe-group
1584 "q" gnus-summary-exit
1585 "Q" gnus-summary-exit-no-update
1586 "\C-c\C-i" gnus-info-find-node
1587 gnus-mouse-2 gnus-mouse-pick-article
1588 "m" gnus-summary-mail-other-window
1589 "a" gnus-summary-post-news
1590 "i" gnus-summary-news-other-window
1591 "x" gnus-summary-limit-to-unread
1592 "s" gnus-summary-isearch-article
1593 "t" gnus-summary-toggle-header
1594 "g" gnus-summary-show-article
1595 "l" gnus-summary-goto-last-article
1596 "\C-c\C-v\C-v" gnus-uu-decode-uu-view
1597 "\C-d" gnus-summary-enter-digest-group
1598 "\M-\C-d" gnus-summary-read-document
1599 "\M-\C-e" gnus-summary-edit-parameters
1600 "\M-\C-a" gnus-summary-customize-parameters
1602 "*" gnus-cache-enter-article
1603 "\M-*" gnus-cache-remove-article
1604 "\M-&" gnus-summary-universal-argument
1605 "\C-l" gnus-recenter
1606 "I" gnus-summary-increase-score
1607 "L" gnus-summary-lower-score
1608 "\M-i" gnus-symbolic-argument
1609 "h" gnus-summary-select-article-buffer
1611 "b" gnus-article-view-part
1612 "\M-t" gnus-summary-toggle-display-buttonized
1614 "V" gnus-summary-score-map
1615 "X" gnus-uu-extract-map
1616 "S" gnus-summary-send-map)
1618 ;; Sort of orthogonal keymap
1619 (gnus-define-keys (gnus-summary-mark-map "M" gnus-summary-mode-map)
1620 "t" gnus-summary-tick-article-forward
1621 "!" gnus-summary-tick-article-forward
1622 "d" gnus-summary-mark-as-read-forward
1623 "r" gnus-summary-mark-as-read-forward
1624 "c" gnus-summary-clear-mark-forward
1625 " " gnus-summary-clear-mark-forward
1626 "e" gnus-summary-mark-as-expirable
1627 "x" gnus-summary-mark-as-expirable
1628 "?" gnus-summary-mark-as-dormant
1629 "b" gnus-summary-set-bookmark
1630 "B" gnus-summary-remove-bookmark
1631 "#" gnus-summary-mark-as-processable
1632 "\M-#" gnus-summary-unmark-as-processable
1633 "S" gnus-summary-limit-include-expunged
1634 "C" gnus-summary-catchup
1635 "H" gnus-summary-catchup-to-here
1636 "h" gnus-summary-catchup-from-here
1637 "\C-c" gnus-summary-catchup-all
1638 "k" gnus-summary-kill-same-subject-and-select
1639 "K" gnus-summary-kill-same-subject
1640 "P" gnus-uu-mark-map)
1642 (gnus-define-keys (gnus-summary-mscore-map "V" gnus-summary-mark-map)
1643 "c" gnus-summary-clear-above
1644 "u" gnus-summary-tick-above
1645 "m" gnus-summary-mark-above
1646 "k" gnus-summary-kill-below)
1648 (gnus-define-keys (gnus-summary-limit-map "/" gnus-summary-mode-map)
1649 "/" gnus-summary-limit-to-subject
1650 "n" gnus-summary-limit-to-articles
1651 "w" gnus-summary-pop-limit
1652 "s" gnus-summary-limit-to-subject
1653 "a" gnus-summary-limit-to-author
1654 "u" gnus-summary-limit-to-unread
1655 "m" gnus-summary-limit-to-marks
1656 "M" gnus-summary-limit-exclude-marks
1657 "v" gnus-summary-limit-to-score
1658 "*" gnus-summary-limit-include-cached
1659 "D" gnus-summary-limit-include-dormant
1660 "T" gnus-summary-limit-include-thread
1661 "d" gnus-summary-limit-exclude-dormant
1662 "t" gnus-summary-limit-to-age
1663 "." gnus-summary-limit-to-unseen
1664 "x" gnus-summary-limit-to-extra
1665 "p" gnus-summary-limit-to-display-predicate
1666 "E" gnus-summary-limit-include-expunged
1667 "c" gnus-summary-limit-exclude-childless-dormant
1668 "C" gnus-summary-limit-mark-excluded-as-read
1669 "o" gnus-summary-insert-old-articles
1670 "N" gnus-summary-insert-new-articles)
1672 (gnus-define-keys (gnus-summary-goto-map "G" gnus-summary-mode-map)
1673 "n" gnus-summary-next-unread-article
1674 "p" gnus-summary-prev-unread-article
1675 "N" gnus-summary-next-article
1676 "P" gnus-summary-prev-article
1677 "\C-n" gnus-summary-next-same-subject
1678 "\C-p" gnus-summary-prev-same-subject
1679 "\M-n" gnus-summary-next-unread-subject
1680 "\M-p" gnus-summary-prev-unread-subject
1681 "f" gnus-summary-first-unread-article
1682 "b" gnus-summary-best-unread-article
1683 "j" gnus-summary-goto-article
1684 "g" gnus-summary-goto-subject
1685 "l" gnus-summary-goto-last-article
1686 "o" gnus-summary-pop-article)
1688 (gnus-define-keys (gnus-summary-thread-map "T" gnus-summary-mode-map)
1689 "k" gnus-summary-kill-thread
1690 "l" gnus-summary-lower-thread
1691 "i" gnus-summary-raise-thread
1692 "T" gnus-summary-toggle-threads
1693 "t" gnus-summary-rethread-current
1694 "^" gnus-summary-reparent-thread
1695 "s" gnus-summary-show-thread
1696 "S" gnus-summary-show-all-threads
1697 "h" gnus-summary-hide-thread
1698 "H" gnus-summary-hide-all-threads
1699 "n" gnus-summary-next-thread
1700 "p" gnus-summary-prev-thread
1701 "u" gnus-summary-up-thread
1702 "o" gnus-summary-top-thread
1703 "d" gnus-summary-down-thread
1704 "#" gnus-uu-mark-thread
1705 "\M-#" gnus-uu-unmark-thread)
1707 (gnus-define-keys (gnus-summary-buffer-map "Y" gnus-summary-mode-map)
1708 "g" gnus-summary-prepare
1709 "c" gnus-summary-insert-cached-articles)
1711 (gnus-define-keys (gnus-summary-exit-map "Z" gnus-summary-mode-map)
1712 "c" gnus-summary-catchup-and-exit
1713 "C" gnus-summary-catchup-all-and-exit
1714 "E" gnus-summary-exit-no-update
1715 "Q" gnus-summary-exit
1716 "Z" gnus-summary-exit
1717 "n" gnus-summary-catchup-and-goto-next-group
1718 "R" gnus-summary-reselect-current-group
1719 "G" gnus-summary-rescan-group
1720 "N" gnus-summary-next-group
1721 "s" gnus-summary-save-newsrc
1722 "P" gnus-summary-prev-group)
1724 (gnus-define-keys (gnus-summary-article-map "A" gnus-summary-mode-map)
1725 " " gnus-summary-next-page
1726 "n" gnus-summary-next-page
1727 "\177" gnus-summary-prev-page
1728 [delete] gnus-summary-prev-page
1729 "p" gnus-summary-prev-page
1730 "\r" gnus-summary-scroll-up
1731 "\M-\r" gnus-summary-scroll-down
1732 "<" gnus-summary-beginning-of-article
1733 ">" gnus-summary-end-of-article
1734 "b" gnus-summary-beginning-of-article
1735 "e" gnus-summary-end-of-article
1736 "^" gnus-summary-refer-parent-article
1737 "r" gnus-summary-refer-parent-article
1738 "D" gnus-summary-enter-digest-group
1739 "R" gnus-summary-refer-references
1740 "T" gnus-summary-refer-thread
1741 "g" gnus-summary-show-article
1742 "s" gnus-summary-isearch-article
1743 "P" gnus-summary-print-article
1744 "M" gnus-mailing-list-insinuate
1745 "t" gnus-article-babel)
1747 (gnus-define-keys (gnus-summary-wash-map "W" gnus-summary-mode-map)
1748 "b" gnus-article-add-buttons
1749 "B" gnus-article-add-buttons-to-head
1750 "o" gnus-article-treat-overstrike
1751 "e" gnus-article-emphasize
1752 "w" gnus-article-fill-cited-article
1753 "Q" gnus-article-fill-long-lines
1754 "C" gnus-article-capitalize-sentences
1755 "c" gnus-article-remove-cr
1756 "q" gnus-article-de-quoted-unreadable
1757 "6" gnus-article-de-base64-unreadable
1758 "Z" gnus-article-decode-HZ
1759 "h" gnus-article-wash-html
1760 "u" gnus-article-unsplit-urls
1761 "s" gnus-summary-force-verify-and-decrypt
1762 "f" gnus-article-display-x-face
1763 "l" gnus-summary-stop-page-breaking
1764 "r" gnus-summary-caesar-message
1765 "m" gnus-summary-morse-message
1766 "t" gnus-summary-toggle-header
1767 "g" gnus-treat-smiley
1768 "v" gnus-summary-verbose-headers
1769 "a" gnus-article-strip-headers-in-body ;; mnemonic: wash archive
1770 "p" gnus-article-verify-x-pgp-sig
1771 "d" gnus-article-treat-dumbquotes
1772 "k" gnus-article-outlook-deuglify-article)
1774 (gnus-define-keys (gnus-summary-wash-hide-map "W" gnus-summary-wash-map)
1775 "a" gnus-article-hide
1776 "h" gnus-article-hide-headers
1777 "b" gnus-article-hide-boring-headers
1778 "s" gnus-article-hide-signature
1779 "c" gnus-article-hide-citation
1780 "C" gnus-article-hide-citation-in-followups
1781 "l" gnus-article-hide-list-identifiers
1782 "p" gnus-article-hide-pgp
1783 "B" gnus-article-strip-banner
1784 "P" gnus-article-hide-pem
1785 "\C-c" gnus-article-hide-citation-maybe)
1787 (gnus-define-keys (gnus-summary-wash-highlight-map "H" gnus-summary-wash-map)
1788 "a" gnus-article-highlight
1789 "h" gnus-article-highlight-headers
1790 "c" gnus-article-highlight-citation
1791 "s" gnus-article-highlight-signature)
1793 (gnus-define-keys (gnus-summary-wash-header-map "G" gnus-summary-wash-map)
1794 "f" gnus-article-treat-fold-headers
1795 "u" gnus-article-treat-unfold-headers
1796 "n" gnus-article-treat-fold-newsgroups)
1798 (gnus-define-keys (gnus-summary-wash-display-map "D" gnus-summary-wash-map)
1799 "x" gnus-article-display-x-face
1800 "s" gnus-treat-smiley
1801 "D" gnus-article-remove-images
1802 "f" gnus-treat-from-picon
1803 "m" gnus-treat-mail-picon
1804 "n" gnus-treat-newsgroups-picon)
1806 (gnus-define-keys (gnus-summary-wash-mime-map "M" gnus-summary-wash-map)
1807 "w" gnus-article-decode-mime-words
1808 "c" gnus-article-decode-charset
1809 "v" gnus-mime-view-all-parts
1810 "b" gnus-article-view-part)
1812 (gnus-define-keys (gnus-summary-wash-time-map "T" gnus-summary-wash-map)
1813 "z" gnus-article-date-ut
1814 "u" gnus-article-date-ut
1815 "l" gnus-article-date-local
1816 "p" gnus-article-date-english
1817 "e" gnus-article-date-lapsed
1818 "o" gnus-article-date-original
1819 "i" gnus-article-date-iso8601
1820 "s" gnus-article-date-user)
1822 (gnus-define-keys (gnus-summary-wash-empty-map "E" gnus-summary-wash-map)
1823 "t" gnus-article-remove-trailing-blank-lines
1824 "l" gnus-article-strip-leading-blank-lines
1825 "m" gnus-article-strip-multiple-blank-lines
1826 "a" gnus-article-strip-blank-lines
1827 "A" gnus-article-strip-all-blank-lines
1828 "s" gnus-article-strip-leading-space
1829 "e" gnus-article-strip-trailing-space
1830 "w" gnus-article-remove-leading-whitespace)
1832 (gnus-define-keys (gnus-summary-help-map "H" gnus-summary-mode-map)
1834 "f" gnus-summary-fetch-faq
1835 "d" gnus-summary-describe-group
1836 "h" gnus-summary-describe-briefly
1837 "i" gnus-info-find-node
1838 "c" gnus-group-fetch-charter
1839 "C" gnus-group-fetch-control)
1841 (gnus-define-keys (gnus-summary-backend-map "B" gnus-summary-mode-map)
1842 "e" gnus-summary-expire-articles
1843 "\M-\C-e" gnus-summary-expire-articles-now
1844 "\177" gnus-summary-delete-article
1845 [delete] gnus-summary-delete-article
1846 [backspace] gnus-summary-delete-article
1847 "m" gnus-summary-move-article
1848 "r" gnus-summary-respool-article
1849 "w" gnus-summary-edit-article
1850 "c" gnus-summary-copy-article
1851 "B" gnus-summary-crosspost-article
1852 "q" gnus-summary-respool-query
1853 "t" gnus-summary-respool-trace
1854 "i" gnus-summary-import-article
1855 "I" gnus-summary-create-article
1856 "p" gnus-summary-article-posted-p)
1858 (gnus-define-keys (gnus-summary-save-map "O" gnus-summary-mode-map)
1859 "o" gnus-summary-save-article
1860 "m" gnus-summary-save-article-mail
1861 "F" gnus-summary-write-article-file
1862 "r" gnus-summary-save-article-rmail
1863 "f" gnus-summary-save-article-file
1864 "b" gnus-summary-save-article-body-file
1865 "h" gnus-summary-save-article-folder
1866 "v" gnus-summary-save-article-vm
1867 "p" gnus-summary-pipe-output
1868 "P" gnus-summary-muttprint
1869 "s" gnus-soup-add-article)
1871 (gnus-define-keys (gnus-summary-mime-map "K" gnus-summary-mode-map)
1872 "b" gnus-summary-display-buttonized
1873 "m" gnus-summary-repair-multipart
1874 "v" gnus-article-view-part
1875 "o" gnus-article-save-part
1876 "c" gnus-article-copy-part
1877 "C" gnus-article-view-part-as-charset
1878 "e" gnus-article-view-part-externally
1879 "E" gnus-article-encrypt-body
1880 "i" gnus-article-inline-part
1881 "|" gnus-article-pipe-part)
1883 (gnus-define-keys (gnus-uu-mark-map "P" gnus-summary-mark-map)
1884 "p" gnus-summary-mark-as-processable
1885 "u" gnus-summary-unmark-as-processable
1886 "U" gnus-summary-unmark-all-processable
1887 "v" gnus-uu-mark-over
1888 "s" gnus-uu-mark-series
1889 "r" gnus-uu-mark-region
1890 "g" gnus-uu-unmark-region
1891 "R" gnus-uu-mark-by-regexp
1892 "G" gnus-uu-unmark-by-regexp
1893 "t" gnus-uu-mark-thread
1894 "T" gnus-uu-unmark-thread
1895 "a" gnus-uu-mark-all
1896 "b" gnus-uu-mark-buffer
1897 "S" gnus-uu-mark-sparse
1898 "k" gnus-summary-kill-process-mark
1899 "y" gnus-summary-yank-process-mark
1900 "w" gnus-summary-save-process-mark
1901 "i" gnus-uu-invert-processable)
1903 (gnus-define-keys (gnus-uu-extract-map "X" gnus-summary-mode-map)
1904 ;;"x" gnus-uu-extract-any
1905 "m" gnus-summary-save-parts
1906 "u" gnus-uu-decode-uu
1907 "U" gnus-uu-decode-uu-and-save
1908 "s" gnus-uu-decode-unshar
1909 "S" gnus-uu-decode-unshar-and-save
1910 "o" gnus-uu-decode-save
1911 "O" gnus-uu-decode-save
1912 "b" gnus-uu-decode-binhex
1913 "B" gnus-uu-decode-binhex
1914 "p" gnus-uu-decode-postscript
1915 "P" gnus-uu-decode-postscript-and-save)
1918 (gnus-uu-extract-view-map "v" gnus-uu-extract-map)
1919 "u" gnus-uu-decode-uu-view
1920 "U" gnus-uu-decode-uu-and-save-view
1921 "s" gnus-uu-decode-unshar-view
1922 "S" gnus-uu-decode-unshar-and-save-view
1923 "o" gnus-uu-decode-save-view
1924 "O" gnus-uu-decode-save-view
1925 "b" gnus-uu-decode-binhex-view
1926 "B" gnus-uu-decode-binhex-view
1927 "p" gnus-uu-decode-postscript-view
1928 "P" gnus-uu-decode-postscript-and-save-view))
1930 (defvar gnus-article-post-menu nil)
1932 (defconst gnus-summary-menu-maxlen 20)
1934 (defun gnus-summary-menu-split (menu)
1935 ;; If we have lots of elements, divide them into groups of 20
1936 ;; and make a pane (or submenu) for each one.
1937 (if (> (length menu) (/ (* gnus-summary-menu-maxlen 3) 2))
1938 (let ((menu menu) sublists next
1941 ;; Pull off the next gnus-summary-menu-maxlen elements
1942 ;; and make them the next element of sublist.
1943 (setq next (nthcdr gnus-summary-menu-maxlen menu))
1945 (setcdr (nthcdr (1- gnus-summary-menu-maxlen) menu)
1947 (setq sublists (cons (cons (format "%s ... %s" (aref (car menu) 0)
1948 (aref (car (last menu)) 0)) menu)
1952 (nreverse sublists))
1953 ;; Few elements--put them all in one pane.
1956 (defun gnus-summary-make-menu-bar ()
1957 (gnus-turn-off-edit-menu 'summary)
1959 (unless (boundp 'gnus-summary-misc-menu)
1962 gnus-summary-kill-menu gnus-summary-mode-map ""
1967 ["Customize" gnus-score-customize t])
1968 (gnus-make-score-map 'increase)
1969 (gnus-make-score-map 'lower)
1971 ["Kill below" gnus-summary-kill-below t]
1972 ["Mark above" gnus-summary-mark-above t]
1973 ["Tick above" gnus-summary-tick-above t]
1974 ["Clear above" gnus-summary-clear-above t])
1975 ["Current score" gnus-summary-current-score t]
1976 ["Set score" gnus-summary-set-score t]
1977 ["Switch current score file..." gnus-score-change-score-file t]
1978 ["Set mark below..." gnus-score-set-mark-below t]
1979 ["Set expunge below..." gnus-score-set-expunge-below t]
1980 ["Edit current score file" gnus-score-edit-current-scores t]
1981 ["Edit score file" gnus-score-edit-file t]
1982 ["Trace score" gnus-score-find-trace t]
1983 ["Find words" gnus-score-find-favourite-words t]
1984 ["Rescore buffer" gnus-summary-rescore t]
1985 ["Increase score..." gnus-summary-increase-score t]
1986 ["Lower score..." gnus-summary-lower-score t]))))
1988 ;; Define both the Article menu in the summary buffer and the
1989 ;; equivalent Commands menu in the article buffer here for
1993 ["All" gnus-article-hide t]
1994 ["Headers" gnus-article-hide-headers t]
1995 ["Signature" gnus-article-hide-signature t]
1996 ["Citation" gnus-article-hide-citation t]
1997 ["List identifiers" gnus-article-hide-list-identifiers t]
1998 ["PGP" gnus-article-hide-pgp t]
1999 ["Banner" gnus-article-strip-banner t]
2000 ["Boring headers" gnus-article-hide-boring-headers t])
2002 ["All" gnus-article-highlight t]
2003 ["Headers" gnus-article-highlight-headers t]
2004 ["Signature" gnus-article-highlight-signature t]
2005 ["Citation" gnus-article-highlight-citation t])
2007 ["Words" gnus-article-decode-mime-words t]
2008 ["Charset" gnus-article-decode-charset t]
2009 ["QP" gnus-article-de-quoted-unreadable t]
2010 ["Base64" gnus-article-de-base64-unreadable t]
2011 ["View MIME buttons" gnus-summary-display-buttonized t]
2012 ["View all" gnus-mime-view-all-parts t]
2013 ["Verify and Decrypt" gnus-summary-force-verify-and-decrypt t]
2014 ["Encrypt body" gnus-article-encrypt-body t]
2015 ["Extract all parts" gnus-summary-save-parts t])
2017 ["Local" gnus-article-date-local t]
2018 ["ISO8601" gnus-article-date-iso8601 t]
2019 ["UT" gnus-article-date-ut t]
2020 ["Original" gnus-article-date-original t]
2021 ["Lapsed" gnus-article-date-lapsed t]
2022 ["User-defined" gnus-article-date-user t])
2024 ["Remove images" gnus-article-remove-images t]
2025 ["Toggle smiley" gnus-treat-smiley t]
2026 ["Show X-Face" gnus-article-display-x-face t]
2027 ["Show picons in From" gnus-treat-from-picon t]
2028 ["Show picons in mail headers" gnus-treat-mail-picon t]
2029 ["Show picons in news headers" gnus-treat-newsgroups-picon t]
2030 ("View as different encoding"
2031 ,@(gnus-summary-menu-split
2034 ;; Since easymenu under FSF Emacs doesn't allow lambda
2035 ;; forms for menu commands, we should provide intern'ed
2036 ;; function symbols.
2037 (let ((command (intern (format "\
2038 gnus-summary-show-article-from-menu-as-charset-%s" cs))))
2042 (let ((gnus-summary-show-article-charset-alist
2044 (gnus-summary-show-article 1))))
2045 `[,(symbol-name cs) ,command t]))
2046 (sort (if (fboundp 'coding-system-list)
2047 (coding-system-list)
2048 (mapcar 'car mm-mime-mule-charset-alist))
2052 ["Leading" gnus-article-strip-leading-blank-lines t]
2053 ["Multiple" gnus-article-strip-multiple-blank-lines t]
2054 ["Trailing" gnus-article-remove-trailing-blank-lines t]
2055 ["All of the above" gnus-article-strip-blank-lines t]
2056 ["All" gnus-article-strip-all-blank-lines t]
2057 ["Leading space" gnus-article-strip-leading-space t]
2058 ["Trailing space" gnus-article-strip-trailing-space t]
2059 ["Leading space in headers"
2060 gnus-article-remove-leading-whitespace t])
2061 ["Overstrike" gnus-article-treat-overstrike t]
2062 ["Dumb quotes" gnus-article-treat-dumbquotes t]
2063 ["Emphasis" gnus-article-emphasize t]
2064 ["Word wrap" gnus-article-fill-cited-article t]
2065 ["Fill long lines" gnus-article-fill-long-lines t]
2066 ["Capitalize sentences" gnus-article-capitalize-sentences t]
2067 ["CR" gnus-article-remove-cr t]
2068 ["Quoted-Printable" gnus-article-de-quoted-unreadable t]
2069 ["Base64" gnus-article-de-base64-unreadable t]
2070 ["Rot 13" gnus-summary-caesar-message
2071 ,@(if (featurep 'xemacs) '(t)
2072 '(:help "\"Caesar rotate\" article by 13"))]
2073 ["Morse decode" gnus-summary-morse-message t]
2074 ["Unix pipe..." gnus-summary-pipe-message t]
2075 ["Add buttons" gnus-article-add-buttons t]
2076 ["Add buttons to head" gnus-article-add-buttons-to-head t]
2077 ["Stop page breaking" gnus-summary-stop-page-breaking t]
2078 ["Verbose header" gnus-summary-verbose-headers t]
2079 ["Toggle header" gnus-summary-toggle-header t]
2080 ["Unfold headers" gnus-article-treat-unfold-headers t]
2081 ["Fold newsgroups" gnus-article-treat-fold-newsgroups t]
2082 ["Html" gnus-article-wash-html t]
2083 ["URLs" gnus-article-unsplit-urls t]
2084 ["Verify X-PGP-Sig" gnus-article-verify-x-pgp-sig t]
2085 ["HZ" gnus-article-decode-HZ t]
2086 ["OutlooK deuglify" gnus-article-outlook-deuglify-article t]
2089 ["Save in default format" gnus-summary-save-article
2090 ,@(if (featurep 'xemacs) '(t)
2091 '(:help "Save article using default method"))]
2092 ["Save in file" gnus-summary-save-article-file
2093 ,@(if (featurep 'xemacs) '(t)
2094 '(:help "Save article in file"))]
2095 ["Save in Unix mail format" gnus-summary-save-article-mail t]
2096 ["Save in MH folder" gnus-summary-save-article-folder t]
2097 ["Save in VM folder" gnus-summary-save-article-vm t]
2098 ["Save in RMAIL mbox" gnus-summary-save-article-rmail t]
2099 ["Save body in file" gnus-summary-save-article-body-file t]
2100 ["Pipe through a filter" gnus-summary-pipe-output t]
2101 ["Add to SOUP packet" gnus-soup-add-article t]
2102 ["Print with Muttprint" gnus-summary-muttprint t]
2103 ["Print" gnus-summary-print-article t])
2105 ["Respool article..." gnus-summary-respool-article t]
2106 ["Move article..." gnus-summary-move-article
2107 (gnus-check-backend-function
2108 'request-move-article gnus-newsgroup-name)]
2109 ["Copy article..." gnus-summary-copy-article t]
2110 ["Crosspost article..." gnus-summary-crosspost-article
2111 (gnus-check-backend-function
2112 'request-replace-article gnus-newsgroup-name)]
2113 ["Import file..." gnus-summary-import-article t]
2114 ["Create article..." gnus-summary-create-article t]
2115 ["Check if posted" gnus-summary-article-posted-p t]
2116 ["Edit article" gnus-summary-edit-article
2117 (not (gnus-group-read-only-p))]
2118 ["Delete article" gnus-summary-delete-article
2119 (gnus-check-backend-function
2120 'request-expire-articles gnus-newsgroup-name)]
2121 ["Query respool" gnus-summary-respool-query t]
2122 ["Trace respool" gnus-summary-respool-trace t]
2123 ["Delete expirable articles" gnus-summary-expire-articles-now
2124 (gnus-check-backend-function
2125 'request-expire-articles gnus-newsgroup-name)])
2127 ["Uudecode" gnus-uu-decode-uu
2128 ,@(if (featurep 'xemacs) '(t)
2129 '(:help "Decode uuencoded article(s)"))]
2130 ["Uudecode and save" gnus-uu-decode-uu-and-save t]
2131 ["Unshar" gnus-uu-decode-unshar t]
2132 ["Unshar and save" gnus-uu-decode-unshar-and-save t]
2133 ["Save" gnus-uu-decode-save t]
2134 ["Binhex" gnus-uu-decode-binhex t]
2135 ["Postscript" gnus-uu-decode-postscript t]
2136 ["All MIME parts" gnus-summary-save-parts t])
2138 ["Enter article" gnus-cache-enter-article t]
2139 ["Remove article" gnus-cache-remove-article t])
2140 ["Translate" gnus-article-babel t]
2141 ["Select article buffer" gnus-summary-select-article-buffer t]
2142 ["Enter digest buffer" gnus-summary-enter-digest-group t]
2143 ["Isearch article..." gnus-summary-isearch-article t]
2144 ["Beginning of the article" gnus-summary-beginning-of-article t]
2145 ["End of the article" gnus-summary-end-of-article t]
2146 ["Fetch parent of article" gnus-summary-refer-parent-article t]
2147 ["Fetch referenced articles" gnus-summary-refer-references t]
2148 ["Fetch current thread" gnus-summary-refer-thread t]
2149 ["Fetch article with id..." gnus-summary-refer-article t]
2150 ["Setup Mailing List Params" gnus-mailing-list-insinuate t]
2151 ["Redisplay" gnus-summary-show-article t]
2152 ["Raw article" gnus-summary-show-raw-article :keys "C-u g"])))
2154 gnus-summary-article-menu gnus-summary-mode-map ""
2155 (cons "Article" innards))
2157 (if (not (keymapp gnus-summary-article-menu))
2159 gnus-article-commands-menu gnus-article-mode-map ""
2160 (cons "Commands" innards))
2161 ;; in Emacs, don't share menu.
2162 (setq gnus-article-commands-menu
2163 (copy-keymap gnus-summary-article-menu))
2164 (define-key gnus-article-mode-map [menu-bar commands]
2165 (cons "Commands" gnus-article-commands-menu))))
2168 gnus-summary-thread-menu gnus-summary-mode-map ""
2170 ["Toggle threading" gnus-summary-toggle-threads t]
2171 ["Hide threads" gnus-summary-hide-all-threads t]
2172 ["Show threads" gnus-summary-show-all-threads t]
2173 ["Hide thread" gnus-summary-hide-thread t]
2174 ["Show thread" gnus-summary-show-thread t]
2175 ["Go to next thread" gnus-summary-next-thread t]
2176 ["Go to previous thread" gnus-summary-prev-thread t]
2177 ["Go down thread" gnus-summary-down-thread t]
2178 ["Go up thread" gnus-summary-up-thread t]
2179 ["Top of thread" gnus-summary-top-thread t]
2180 ["Mark thread as read" gnus-summary-kill-thread t]
2181 ["Lower thread score" gnus-summary-lower-thread t]
2182 ["Raise thread score" gnus-summary-raise-thread t]
2183 ["Rethread current" gnus-summary-rethread-current t]))
2186 gnus-summary-post-menu gnus-summary-mode-map ""
2188 ["Send a message (mail or news)" gnus-summary-post-news
2189 ,@(if (featurep 'xemacs) '(t)
2190 '(:help "Post an article"))]
2191 ["Followup" gnus-summary-followup
2192 ,@(if (featurep 'xemacs) '(t)
2193 '(:help "Post followup to this article"))]
2194 ["Followup and yank" gnus-summary-followup-with-original
2195 ,@(if (featurep 'xemacs) '(t)
2196 '(:help "Post followup to this article, quoting its contents"))]
2197 ["Supersede article" gnus-summary-supersede-article t]
2198 ["Cancel article" gnus-summary-cancel-article
2199 ,@(if (featurep 'xemacs) '(t)
2200 '(:help "Cancel an article you posted"))]
2201 ["Reply" gnus-summary-reply t]
2202 ["Reply and yank" gnus-summary-reply-with-original t]
2203 ["Wide reply" gnus-summary-wide-reply t]
2204 ["Wide reply and yank" gnus-summary-wide-reply-with-original
2205 ,@(if (featurep 'xemacs) '(t)
2206 '(:help "Mail a reply, quoting this article"))]
2207 ["Very wide reply" gnus-summary-very-wide-reply t]
2208 ["Very wide reply and yank" gnus-summary-very-wide-reply-with-original
2209 ,@(if (featurep 'xemacs) '(t)
2210 '(:help "Mail a very wide reply, quoting this article"))]
2211 ["Mail forward" gnus-summary-mail-forward t]
2212 ["Post forward" gnus-summary-post-forward t]
2213 ["Digest and mail" gnus-uu-digest-mail-forward t]
2214 ["Digest and post" gnus-uu-digest-post-forward t]
2215 ["Resend message" gnus-summary-resend-message t]
2216 ["Resend message edit" gnus-summary-resend-message-edit t]
2217 ["Send bounced mail" gnus-summary-resend-bounced-mail t]
2218 ["Send a mail" gnus-summary-mail-other-window t]
2219 ["Create a local message" gnus-summary-news-other-window t]
2220 ["Uuencode and post" gnus-uu-post-news
2221 ,@(if (featurep 'xemacs) '(t)
2222 '(:help "Post a uuencoded article"))]
2223 ["Followup via news" gnus-summary-followup-to-mail t]
2224 ["Followup via news and yank"
2225 gnus-summary-followup-to-mail-with-original t]
2227 ;;["Send" gnus-summary-send-draft t]
2228 ;;["Send bounced" gnus-resend-bounced-mail t])
2232 ((not (keymapp gnus-summary-post-menu))
2233 (setq gnus-article-post-menu gnus-summary-post-menu))
2234 ((not gnus-article-post-menu)
2235 ;; Don't share post menu.
2236 (setq gnus-article-post-menu
2237 (copy-keymap gnus-summary-post-menu))))
2238 (define-key gnus-article-mode-map [menu-bar post]
2239 (cons "Post" gnus-article-post-menu))
2242 gnus-summary-misc-menu gnus-summary-mode-map ""
2245 ["Mark as read" gnus-summary-mark-as-read-forward t]
2246 ["Mark same subject and select"
2247 gnus-summary-kill-same-subject-and-select t]
2248 ["Mark same subject" gnus-summary-kill-same-subject t]
2249 ["Catchup" gnus-summary-catchup
2250 ,@(if (featurep 'xemacs) '(t)
2251 '(:help "Mark unread articles in this group as read"))]
2252 ["Catchup all" gnus-summary-catchup-all t]
2253 ["Catchup to here" gnus-summary-catchup-to-here t]
2254 ["Catchup from here" gnus-summary-catchup-from-here t]
2255 ["Catchup region" gnus-summary-mark-region-as-read t]
2256 ["Mark excluded" gnus-summary-limit-mark-excluded-as-read t])
2258 ["Tick" gnus-summary-tick-article-forward t]
2259 ["Mark as dormant" gnus-summary-mark-as-dormant t]
2260 ["Remove marks" gnus-summary-clear-mark-forward t]
2261 ["Set expirable mark" gnus-summary-mark-as-expirable t]
2262 ["Set bookmark" gnus-summary-set-bookmark t]
2263 ["Remove bookmark" gnus-summary-remove-bookmark t])
2265 ["Marks..." gnus-summary-limit-to-marks t]
2266 ["Subject..." gnus-summary-limit-to-subject t]
2267 ["Author..." gnus-summary-limit-to-author t]
2268 ["Age..." gnus-summary-limit-to-age t]
2269 ["Extra..." gnus-summary-limit-to-extra t]
2270 ["Score..." gnus-summary-limit-to-score t]
2271 ["Display Predicate" gnus-summary-limit-to-display-predicate t]
2272 ["Unread" gnus-summary-limit-to-unread t]
2273 ["Unseen" gnus-summary-limit-to-unseen t]
2274 ["Non-dormant" gnus-summary-limit-exclude-dormant t]
2275 ["Articles" gnus-summary-limit-to-articles t]
2276 ["Pop limit" gnus-summary-pop-limit t]
2277 ["Show dormant" gnus-summary-limit-include-dormant t]
2278 ["Hide childless dormant"
2279 gnus-summary-limit-exclude-childless-dormant t]
2280 ;;["Hide thread" gnus-summary-limit-exclude-thread t]
2281 ["Hide marked" gnus-summary-limit-exclude-marks t]
2282 ["Show expunged" gnus-summary-limit-include-expunged t])
2284 ["Set mark" gnus-summary-mark-as-processable t]
2285 ["Remove mark" gnus-summary-unmark-as-processable t]
2286 ["Remove all marks" gnus-summary-unmark-all-processable t]
2287 ["Mark above" gnus-uu-mark-over t]
2288 ["Mark series" gnus-uu-mark-series t]
2289 ["Mark region" gnus-uu-mark-region t]
2290 ["Unmark region" gnus-uu-unmark-region t]
2291 ["Mark by regexp..." gnus-uu-mark-by-regexp t]
2292 ["Unmark by regexp..." gnus-uu-unmark-by-regexp t]
2293 ["Mark all" gnus-uu-mark-all t]
2294 ["Mark buffer" gnus-uu-mark-buffer t]
2295 ["Mark sparse" gnus-uu-mark-sparse t]
2296 ["Mark thread" gnus-uu-mark-thread t]
2297 ["Unmark thread" gnus-uu-unmark-thread t]
2298 ("Process Mark Sets"
2299 ["Kill" gnus-summary-kill-process-mark t]
2300 ["Yank" gnus-summary-yank-process-mark
2301 gnus-newsgroup-process-stack]
2302 ["Save" gnus-summary-save-process-mark t]))
2304 ["Page forward" gnus-summary-next-page
2305 ,@(if (featurep 'xemacs) '(t)
2306 '(:help "Show next page of article"))]
2307 ["Page backward" gnus-summary-prev-page
2308 ,@(if (featurep 'xemacs) '(t)
2309 '(:help "Show previous page of article"))]
2310 ["Line forward" gnus-summary-scroll-up t])
2312 ["Next unread article" gnus-summary-next-unread-article t]
2313 ["Previous unread article" gnus-summary-prev-unread-article t]
2314 ["Next article" gnus-summary-next-article t]
2315 ["Previous article" gnus-summary-prev-article t]
2316 ["Next unread subject" gnus-summary-next-unread-subject t]
2317 ["Previous unread subject" gnus-summary-prev-unread-subject t]
2318 ["Next article same subject" gnus-summary-next-same-subject t]
2319 ["Previous article same subject" gnus-summary-prev-same-subject t]
2320 ["First unread article" gnus-summary-first-unread-article t]
2321 ["Best unread article" gnus-summary-best-unread-article t]
2322 ["Go to subject number..." gnus-summary-goto-subject t]
2323 ["Go to article number..." gnus-summary-goto-article t]
2324 ["Go to the last article" gnus-summary-goto-last-article t]
2325 ["Pop article off history" gnus-summary-pop-article t])
2327 ["Sort by number" gnus-summary-sort-by-number t]
2328 ["Sort by author" gnus-summary-sort-by-author t]
2329 ["Sort by subject" gnus-summary-sort-by-subject t]
2330 ["Sort by date" gnus-summary-sort-by-date t]
2331 ["Sort by score" gnus-summary-sort-by-score t]
2332 ["Sort by lines" gnus-summary-sort-by-lines t]
2333 ["Sort by characters" gnus-summary-sort-by-chars t]
2334 ["Randomize" gnus-summary-sort-by-random t]
2335 ["Original sort" gnus-summary-sort-by-original t])
2337 ["Fetch group FAQ" gnus-summary-fetch-faq t]
2338 ["Describe group" gnus-summary-describe-group t]
2339 ["Fetch charter" gnus-group-fetch-charter
2340 ,@(if (featurep 'xemacs) nil
2341 '(:help "Display the charter of the current group"))]
2342 ["Fetch control message" gnus-group-fetch-control
2343 ,@(if (featurep 'xemacs) nil
2344 '(:help "Display the archived control message for the current group"))]
2345 ["Read manual" gnus-info-find-node t])
2347 ["Pick and read" gnus-pick-mode t]
2348 ["Binary" gnus-binary-mode t])
2350 ["Regenerate" gnus-summary-prepare t]
2351 ["Insert cached articles" gnus-summary-insert-cached-articles t]
2352 ["Toggle threading" gnus-summary-toggle-threads t])
2353 ["See old articles" gnus-summary-insert-old-articles t]
2354 ["See new articles" gnus-summary-insert-new-articles t]
2355 ["Filter articles..." gnus-summary-execute-command t]
2356 ["Run command on subjects..." gnus-summary-universal-argument t]
2357 ["Search articles forward..." gnus-summary-search-article-forward t]
2358 ["Search articles backward..." gnus-summary-search-article-backward t]
2359 ["Toggle line truncation" gnus-summary-toggle-truncation t]
2360 ["Expand window" gnus-summary-expand-window t]
2361 ["Expire expirable articles" gnus-summary-expire-articles
2362 (gnus-check-backend-function
2363 'request-expire-articles gnus-newsgroup-name)]
2364 ["Edit local kill file" gnus-summary-edit-local-kill t]
2365 ["Edit main kill file" gnus-summary-edit-global-kill t]
2366 ["Edit group parameters" gnus-summary-edit-parameters t]
2367 ["Customize group parameters" gnus-summary-customize-parameters t]
2368 ["Send a bug report" gnus-bug t]
2370 ["Catchup and exit" gnus-summary-catchup-and-exit
2371 ,@(if (featurep 'xemacs) '(t)
2372 '(:help "Mark unread articles in this group as read, then exit"))]
2373 ["Catchup all and exit" gnus-summary-catchup-all-and-exit t]
2374 ["Catchup and goto next" gnus-summary-catchup-and-goto-next-group t]
2375 ["Exit group" gnus-summary-exit
2376 ,@(if (featurep 'xemacs) '(t)
2377 '(:help "Exit current group, return to group selection mode"))]
2378 ["Exit group without updating" gnus-summary-exit-no-update t]
2379 ["Exit and goto next group" gnus-summary-next-group t]
2380 ["Exit and goto prev group" gnus-summary-prev-group t]
2381 ["Reselect group" gnus-summary-reselect-current-group t]
2382 ["Rescan group" gnus-summary-rescan-group t]
2383 ["Update dribble" gnus-summary-save-newsrc t])))
2385 (gnus-run-hooks 'gnus-summary-menu-hook)))
2387 (defvar gnus-summary-tool-bar-map nil)
2389 ;; Emacs 21 tool bar. Should be no-op otherwise.
2390 (defun gnus-summary-make-tool-bar ()
2391 (if (and (fboundp 'tool-bar-add-item-from-menu)
2392 (default-value 'tool-bar-mode)
2393 (not gnus-summary-tool-bar-map))
2394 (setq gnus-summary-tool-bar-map
2395 (let ((tool-bar-map (make-sparse-keymap))
2396 (load-path (mm-image-load-path)))
2397 (tool-bar-add-item-from-menu
2398 'gnus-summary-prev-unread "prev-ur" gnus-summary-mode-map)
2399 (tool-bar-add-item-from-menu
2400 'gnus-summary-next-unread "next-ur" gnus-summary-mode-map)
2401 (tool-bar-add-item-from-menu
2402 'gnus-summary-post-news "post" gnus-summary-mode-map)
2403 (tool-bar-add-item-from-menu
2404 'gnus-summary-followup-with-original "fuwo" gnus-summary-mode-map)
2405 (tool-bar-add-item-from-menu
2406 'gnus-summary-followup "followup" gnus-summary-mode-map)
2407 (tool-bar-add-item-from-menu
2408 'gnus-summary-reply-with-original "reply-wo" gnus-summary-mode-map)
2409 (tool-bar-add-item-from-menu
2410 'gnus-summary-reply "reply" gnus-summary-mode-map)
2411 (tool-bar-add-item-from-menu
2412 'gnus-summary-caesar-message "rot13" gnus-summary-mode-map)
2413 (tool-bar-add-item-from-menu
2414 'gnus-uu-decode-uu "uu-decode" gnus-summary-mode-map)
2415 (tool-bar-add-item-from-menu
2416 'gnus-summary-save-article-file "save-aif" gnus-summary-mode-map)
2417 (tool-bar-add-item-from-menu
2418 'gnus-summary-save-article "save-art" gnus-summary-mode-map)
2419 (tool-bar-add-item-from-menu
2420 'gnus-uu-post-news "uu-post" gnus-summary-mode-map)
2421 (tool-bar-add-item-from-menu
2422 'gnus-summary-catchup "catchup" gnus-summary-mode-map)
2423 (tool-bar-add-item-from-menu
2424 'gnus-summary-catchup-and-exit "cu-exit" gnus-summary-mode-map)
2425 (tool-bar-add-item-from-menu
2426 'gnus-summary-exit "exit-summ" gnus-summary-mode-map)
2428 (if gnus-summary-tool-bar-map
2429 (set (make-local-variable 'tool-bar-map) gnus-summary-tool-bar-map)))
2431 (defun gnus-score-set-default (var value)
2432 "A version of set that updates the GNU Emacs menu-bar."
2434 ;; It is the message that forces the active status to be updated.
2437 (defun gnus-make-score-map (type)
2438 "Make a summary score map of type TYPE."
2441 (let ((headers '(("author" "from" string)
2442 ("subject" "subject" string)
2443 ("article body" "body" string)
2444 ("article head" "head" string)
2445 ("xref" "xref" string)
2446 ("extra header" "extra" string)
2447 ("lines" "lines" number)
2448 ("followups to author" "followup" string)))
2449 (types '((number ("less than" <)
2452 (string ("substring" s)
2456 (perms '(("temporary" (current-time-string))
2464 (if (eq type 'lower)
2469 (setq header (car headers))
2475 (let ((ts (cdr (assoc (nth 2 header) types)))
2491 'gnus-summary-score-entry
2493 (if (or (string= (nth 1 header)
2495 (string= (nth 1 header)
2498 (list 'gnus-summary-header
2500 (list 'quote (nth 1 (car ts)))
2501 (list 'gnus-score-delta-default
2508 (list (nreverse outp))))
2511 (list (nreverse outt))))
2513 (setq headers (cdr headers)))
2514 (list (nreverse outh))))))))
2518 (defun gnus-summary-mode (&optional group)
2519 "Major mode for reading articles.
2521 All normal editing commands are switched off.
2522 \\<gnus-summary-mode-map>
2523 Each line in this buffer represents one article. To read an
2524 article, you can, for instance, type `\\[gnus-summary-next-page]'. To move forwards
2525 and backwards while displaying articles, type `\\[gnus-summary-next-unread-article]' and `\\[gnus-summary-prev-unread-article]',
2528 You can also post articles and send mail from this buffer. To
2529 follow up an article, type `\\[gnus-summary-followup]'. To mail a reply to the author
2530 of an article, type `\\[gnus-summary-reply]'.
2532 There are approx. one gazillion commands you can execute in this
2533 buffer; read the info pages for more information (`\\[gnus-info-find-node]').
2535 The following commands are available:
2537 \\{gnus-summary-mode-map}"
2539 (kill-all-local-variables)
2540 (when (gnus-visual-p 'summary-menu 'menu)
2541 (gnus-summary-make-menu-bar)
2542 (gnus-summary-make-tool-bar))
2543 (gnus-summary-make-local-variables)
2544 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
2545 (gnus-summary-make-local-variables))
2546 (gnus-make-thread-indent-array)
2547 (gnus-simplify-mode-line)
2548 (setq major-mode 'gnus-summary-mode)
2549 (setq mode-name "Summary")
2550 (make-local-variable 'minor-mode-alist)
2551 (use-local-map gnus-summary-mode-map)
2552 (buffer-disable-undo)
2553 (setq buffer-read-only t) ;Disable modification
2554 (setq truncate-lines t)
2555 (setq selective-display t)
2556 (setq selective-display-ellipses t) ;Display `...'
2557 (gnus-summary-set-display-table)
2558 (gnus-set-default-directory)
2559 (setq gnus-newsgroup-name group)
2560 (make-local-variable 'gnus-summary-line-format)
2561 (make-local-variable 'gnus-summary-line-format-spec)
2562 (make-local-variable 'gnus-summary-dummy-line-format)
2563 (make-local-variable 'gnus-summary-dummy-line-format-spec)
2564 (make-local-variable 'gnus-summary-mark-positions)
2565 (make-local-hook 'pre-command-hook)
2566 (add-hook 'pre-command-hook 'gnus-set-global-variables nil t)
2567 (gnus-run-hooks 'gnus-summary-mode-hook)
2568 (turn-on-gnus-mailing-list-mode)
2569 (mm-enable-multibyte)
2570 (gnus-update-format-specifications nil 'summary 'summary-mode 'summary-dummy)
2571 (gnus-update-summary-mark-positions))
2573 (defun gnus-summary-make-local-variables ()
2574 "Make all the local summary buffer variables."
2576 (dolist (local gnus-summary-local-variables)
2579 (if (eq (cdr local) 'global)
2580 ;; Copy the global value of the variable.
2581 (setq global (symbol-value (car local)))
2582 ;; Use the value from the list.
2583 (setq global (eval (cdr local))))
2584 (set (make-local-variable (car local)) global))
2585 ;; Simple nil-valued local variable.
2586 (set (make-local-variable local) nil)))))
2588 (defun gnus-summary-clear-local-variables ()
2589 (let ((locals gnus-summary-local-variables))
2591 (if (consp (car locals))
2592 (and (vectorp (caar locals))
2593 (set (caar locals) nil))
2594 (and (vectorp (car locals))
2595 (set (car locals) nil)))
2596 (setq locals (cdr locals)))))
2598 ;; Summary data functions.
2600 (defmacro gnus-data-number (data)
2603 (defmacro gnus-data-set-number (data number)
2604 `(setcar ,data ,number))
2606 (defmacro gnus-data-mark (data)
2609 (defmacro gnus-data-set-mark (data mark)
2610 `(setcar (nthcdr 1 ,data) ,mark))
2612 (defmacro gnus-data-pos (data)
2615 (defmacro gnus-data-set-pos (data pos)
2616 `(setcar (nthcdr 2 ,data) ,pos))
2618 (defmacro gnus-data-header (data)
2621 (defmacro gnus-data-set-header (data header)
2622 `(setf (nth 3 ,data) ,header))
2624 (defmacro gnus-data-level (data)
2627 (defmacro gnus-data-unread-p (data)
2628 `(= (nth 1 ,data) gnus-unread-mark))
2630 (defmacro gnus-data-read-p (data)
2631 `(/= (nth 1 ,data) gnus-unread-mark))
2633 (defmacro gnus-data-pseudo-p (data)
2634 `(consp (nth 3 ,data)))
2636 (defmacro gnus-data-find (number)
2637 `(assq ,number gnus-newsgroup-data))
2639 (defmacro gnus-data-find-list (number &optional data)
2640 `(let ((bdata ,(or data 'gnus-newsgroup-data)))
2641 (memq (assq ,number bdata)
2644 (defmacro gnus-data-make (number mark pos header level)
2645 `(list ,number ,mark ,pos ,header ,level))
2647 (defun gnus-data-enter (after-article number mark pos header level offset)
2648 (let ((data (gnus-data-find-list after-article)))
2650 (error "No such article: %d" after-article))
2651 (setcdr data (cons (gnus-data-make number mark pos header level)
2653 (setq gnus-newsgroup-data-reverse nil)
2654 (gnus-data-update-list (cddr data) offset)))
2656 (defun gnus-data-enter-list (after-article list &optional offset)
2658 (let ((data (and after-article (gnus-data-find-list after-article)))
2662 (let ((odata gnus-newsgroup-data))
2663 (setq gnus-newsgroup-data (nconc list gnus-newsgroup-data))
2665 (gnus-data-update-list odata offset)))
2666 ;; Find the last element in the list to be spliced into the main
2669 (setq list (cdr list)))
2672 (setcdr list gnus-newsgroup-data)
2673 (setq gnus-newsgroup-data ilist)
2675 (gnus-data-update-list (cdr list) offset)))
2676 (setcdr list (cdr data))
2679 (gnus-data-update-list (cdr list) offset))))
2680 (setq gnus-newsgroup-data-reverse nil))))
2682 (defun gnus-data-remove (article &optional offset)
2683 (let ((data gnus-newsgroup-data))
2684 (if (= (gnus-data-number (car data)) article)
2686 (setq gnus-newsgroup-data (cdr gnus-newsgroup-data)
2687 gnus-newsgroup-data-reverse nil)
2689 (gnus-data-update-list gnus-newsgroup-data offset)))
2691 (when (= (gnus-data-number (cadr data)) article)
2692 (setcdr data (cddr data))
2694 (gnus-data-update-list (cdr data) offset))
2696 gnus-newsgroup-data-reverse nil))
2697 (setq data (cdr data))))))
2699 (defmacro gnus-data-list (backward)
2701 (or gnus-newsgroup-data-reverse
2702 (setq gnus-newsgroup-data-reverse
2703 (reverse gnus-newsgroup-data)))
2704 gnus-newsgroup-data))
2706 (defun gnus-data-update-list (data offset)
2707 "Add OFFSET to the POS of all data entries in DATA."
2708 (setq gnus-newsgroup-data-reverse nil)
2710 (setcar (nthcdr 2 (car data)) (+ offset (nth 2 (car data))))
2711 (setq data (cdr data))))
2713 (defun gnus-summary-article-pseudo-p (article)
2714 "Say whether this article is a pseudo article or not."
2715 (not (vectorp (gnus-data-header (gnus-data-find article)))))
2717 (defmacro gnus-summary-article-sparse-p (article)
2718 "Say whether this article is a sparse article or not."
2719 `(memq ,article gnus-newsgroup-sparse))
2721 (defmacro gnus-summary-article-ancient-p (article)
2722 "Say whether this article is a sparse article or not."
2723 `(memq ,article gnus-newsgroup-ancient))
2725 (defun gnus-article-parent-p (number)
2726 "Say whether this article is a parent or not."
2727 (let ((data (gnus-data-find-list number)))
2728 (and (cdr data) ; There has to be an article after...
2729 (< (gnus-data-level (car data)) ; And it has to have a higher level.
2730 (gnus-data-level (nth 1 data))))))
2732 (defun gnus-article-children (number)
2733 "Return a list of all children to NUMBER."
2734 (let* ((data (gnus-data-find-list number))
2735 (level (gnus-data-level (car data)))
2737 (setq data (cdr data))
2739 (= (gnus-data-level (car data)) (1+ level)))
2740 (push (gnus-data-number (car data)) children)
2741 (setq data (cdr data)))
2744 (defmacro gnus-summary-skip-intangible ()
2745 "If the current article is intangible, then jump to a different article."
2746 '(let ((to (get-text-property (point) 'gnus-intangible)))
2747 (and to (gnus-summary-goto-subject to))))
2749 (defmacro gnus-summary-article-intangible-p ()
2750 "Say whether this article is intangible or not."
2751 '(get-text-property (point) 'gnus-intangible))
2753 (defun gnus-article-read-p (article)
2754 "Say whether ARTICLE is read or not."
2755 (not (or (memq article gnus-newsgroup-marked)
2756 (memq article gnus-newsgroup-spam-marked)
2757 (memq article gnus-newsgroup-unreads)
2758 (memq article gnus-newsgroup-unselected)
2759 (memq article gnus-newsgroup-dormant))))
2761 ;; Some summary mode macros.
2763 (defmacro gnus-summary-article-number ()
2764 "The article number of the article on the current line.
2765 If there isn's an article number here, then we return the current
2768 (gnus-summary-skip-intangible)
2769 (or (get-text-property (point) 'gnus-number)
2770 (gnus-summary-last-subject))))
2772 (defmacro gnus-summary-article-header (&optional number)
2773 "Return the header of article NUMBER."
2774 `(gnus-data-header (gnus-data-find
2775 ,(or number '(gnus-summary-article-number)))))
2777 (defmacro gnus-summary-thread-level (&optional number)
2778 "Return the level of thread that starts with article NUMBER."
2779 `(if (and (eq gnus-summary-make-false-root 'dummy)
2780 (get-text-property (point) 'gnus-intangible))
2782 (gnus-data-level (gnus-data-find
2783 ,(or number '(gnus-summary-article-number))))))
2785 (defmacro gnus-summary-article-mark (&optional number)
2786 "Return the mark of article NUMBER."
2787 `(gnus-data-mark (gnus-data-find
2788 ,(or number '(gnus-summary-article-number)))))
2790 (defmacro gnus-summary-article-pos (&optional number)
2791 "Return the position of the line of article NUMBER."
2792 `(gnus-data-pos (gnus-data-find
2793 ,(or number '(gnus-summary-article-number)))))
2795 (defalias 'gnus-summary-subject-string 'gnus-summary-article-subject)
2796 (defmacro gnus-summary-article-subject (&optional number)
2797 "Return current subject string or nil if nothing."
2800 `(gnus-data-header (assq ,number gnus-newsgroup-data))
2801 '(gnus-data-header (assq (gnus-summary-article-number)
2802 gnus-newsgroup-data)))))
2805 (mail-header-subject headers))))
2807 (defmacro gnus-summary-article-score (&optional number)
2808 "Return current article score."
2809 `(or (cdr (assq ,(or number '(gnus-summary-article-number))
2810 gnus-newsgroup-scored))
2811 gnus-summary-default-score 0))
2813 (defun gnus-summary-article-children (&optional number)
2814 "Return a list of article numbers that are children of article NUMBER."
2815 (let* ((data (gnus-data-find-list (or number (gnus-summary-article-number))))
2816 (level (gnus-data-level (car data)))
2818 (while (and (setq data (cdr data))
2819 (> (setq l (gnus-data-level (car data))) level))
2820 (and (= (1+ level) l)
2821 (push (gnus-data-number (car data))
2823 (nreverse children)))
2825 (defun gnus-summary-article-parent (&optional number)
2826 "Return the article number of the parent of article NUMBER."
2827 (let* ((data (gnus-data-find-list (or number (gnus-summary-article-number))
2828 (gnus-data-list t)))
2829 (level (gnus-data-level (car data))))
2831 () ; This is a root.
2832 ;; We search until we find an article with a level less than
2833 ;; this one. That function has to be the parent.
2834 (while (and (setq data (cdr data))
2835 (not (< (gnus-data-level (car data)) level))))
2836 (and data (gnus-data-number (car data))))))
2838 (defun gnus-unread-mark-p (mark)
2839 "Say whether MARK is the unread mark."
2840 (= mark gnus-unread-mark))
2842 (defun gnus-read-mark-p (mark)
2843 "Say whether MARK is one of the marks that mark as read.
2844 This is all marks except unread, ticked, dormant, and expirable."
2845 (not (or (= mark gnus-unread-mark)
2846 (= mark gnus-ticked-mark)
2847 (= mark gnus-dormant-mark)
2848 (= mark gnus-expirable-mark))))
2850 (defmacro gnus-article-mark (number)
2851 "Return the MARK of article NUMBER.
2852 This macro should only be used when computing the mark the \"first\"
2853 time; i.e., when generating the summary lines. After that,
2854 `gnus-summary-article-mark' should be used to examine the
2857 ((memq ,number gnus-newsgroup-unsendable) gnus-unsendable-mark)
2858 ((memq ,number gnus-newsgroup-undownloaded) gnus-undownloaded-mark)
2859 ((memq ,number gnus-newsgroup-downloadable) gnus-downloadable-mark)
2860 ((memq ,number gnus-newsgroup-unreads) gnus-unread-mark)
2861 ((memq ,number gnus-newsgroup-marked) gnus-ticked-mark)
2862 ((memq ,number gnus-newsgroup-spam-marked) gnus-spam-mark)
2863 ((memq ,number gnus-newsgroup-dormant) gnus-dormant-mark)
2864 ((memq ,number gnus-newsgroup-expirable) gnus-expirable-mark)
2865 (t (or (cdr (assq ,number gnus-newsgroup-reads))
2866 gnus-ancient-mark))))
2868 ;; Saving hidden threads.
2870 (defmacro gnus-save-hidden-threads (&rest forms)
2871 "Save hidden threads, eval FORMS, and restore the hidden threads."
2872 (let ((config (make-symbol "config")))
2873 `(let ((,config (gnus-hidden-threads-configuration)))
2877 (gnus-restore-hidden-threads-configuration ,config)))))
2878 (put 'gnus-save-hidden-threads 'lisp-indent-function 0)
2879 (put 'gnus-save-hidden-threads 'edebug-form-spec '(body))
2881 (defun gnus-data-compute-positions ()
2882 "Compute the positions of all articles."
2883 (setq gnus-newsgroup-data-reverse nil)
2884 (let ((data gnus-newsgroup-data))
2886 (gnus-save-hidden-threads
2887 (gnus-summary-show-all-threads)
2888 (goto-char (point-min))
2890 (while (get-text-property (point) 'gnus-intangible)
2892 (gnus-data-set-pos (car data) (+ (point) 3))
2893 (setq data (cdr data))
2894 (forward-line 1))))))
2896 (defun gnus-hidden-threads-configuration ()
2897 "Return the current hidden threads configuration."
2900 (goto-char (point-min))
2901 (while (search-forward "\r" nil t)
2902 (push (1- (point)) config))
2905 (defun gnus-restore-hidden-threads-configuration (config)
2906 "Restore hidden threads configuration from CONFIG."
2908 (let (point buffer-read-only)
2909 (while (setq point (pop config))
2910 (when (and (< point (point-max))
2912 (eq (char-after) ?\n))
2913 (subst-char-in-region point (1+ point) ?\n ?\r))))))
2915 ;; Various summary mode internalish functions.
2917 (defun gnus-mouse-pick-article (e)
2920 (gnus-summary-next-page nil t))
2922 (defun gnus-summary-set-display-table ()
2923 "Change the display table.
2924 Odd characters have a tendency to mess
2925 up nicely formatted displays - we make all possible glyphs
2926 display only a single character."
2928 ;; We start from the standard display table, if any.
2929 (let ((table (or (copy-sequence standard-display-table)
2930 (make-display-table)))
2932 ;; Nix out all the control chars...
2933 (while (>= (setq i (1- i)) 0)
2934 (aset table i [??]))
2935 ;; ... but not newline and cr, of course. (cr is necessary for the
2936 ;; selective display).
2937 (aset table ?\n nil)
2938 (aset table ?\r nil)
2939 ;; We keep TAB as well.
2940 (aset table ?\t nil)
2941 ;; We nix out any glyphs over 126 that are not set already.
2943 (while (>= (setq i (1- i)) 127)
2944 ;; Only modify if the entry is nil.
2945 (unless (aref table i)
2946 (aset table i [??]))))
2947 (setq buffer-display-table table)))
2949 (defun gnus-summary-set-article-display-arrow (pos)
2950 "Update the overlay arrow to point to line at position POS."
2951 (when (and gnus-summary-display-arrow
2952 (boundp 'overlay-arrow-position)
2953 (boundp 'overlay-arrow-string))
2957 (unless overlay-arrow-position
2958 (setq overlay-arrow-position (make-marker)))
2959 (setq overlay-arrow-string "=>"
2960 overlay-arrow-position (set-marker overlay-arrow-position
2962 (current-buffer))))))
2964 (defun gnus-summary-buffer-name (group)
2965 "Return the summary buffer name of GROUP."
2966 (concat "*Summary " (gnus-group-decoded-name group) "*"))
2968 (defun gnus-summary-setup-buffer (group)
2969 "Initialize summary buffer."
2970 (let ((buffer (gnus-summary-buffer-name group))
2971 (dead-name (concat "*Dead Summary "
2972 (gnus-group-decoded-name group) "*")))
2973 ;; If a dead summary buffer exists, we kill it.
2974 (when (gnus-buffer-live-p dead-name)
2975 (gnus-kill-buffer dead-name))
2976 (if (get-buffer buffer)
2979 (setq gnus-summary-buffer (current-buffer))
2980 (not gnus-newsgroup-prepared))
2981 ;; Fix by Sudish Joseph <joseph@cis.ohio-state.edu>
2982 (setq gnus-summary-buffer (set-buffer (gnus-get-buffer-create buffer)))
2983 (gnus-summary-mode group)
2985 (gnus-carpal-setup-buffer 'summary))
2986 (unless gnus-single-article-buffer
2987 (make-local-variable 'gnus-article-buffer)
2988 (make-local-variable 'gnus-article-current)
2989 (make-local-variable 'gnus-original-article-buffer))
2990 (setq gnus-newsgroup-name group)
2991 ;; Set any local variables in the group parameters.
2992 (gnus-summary-set-local-parameters gnus-newsgroup-name)
2995 (defun gnus-set-global-variables ()
2996 "Set the global equivalents of the buffer-local variables.
2997 They are set to the latest values they had. These reflect the summary
2998 buffer that was in action when the last article was fetched."
2999 (when (eq major-mode 'gnus-summary-mode)
3000 (setq gnus-summary-buffer (current-buffer))
3001 (let ((name gnus-newsgroup-name)
3002 (marked gnus-newsgroup-marked)
3003 (spam gnus-newsgroup-spam-marked)
3004 (unread gnus-newsgroup-unreads)
3005 (headers gnus-current-headers)
3006 (data gnus-newsgroup-data)
3007 (summary gnus-summary-buffer)
3008 (article-buffer gnus-article-buffer)
3009 (original gnus-original-article-buffer)
3010 (gac gnus-article-current)
3011 (reffed gnus-reffed-article-number)
3012 (score-file gnus-current-score-file)
3013 (default-charset gnus-newsgroup-charset)
3015 (let ((locals gnus-newsgroup-variables))
3017 (if (consp (car locals))
3018 (push (eval (caar locals)) vlist)
3019 (push (eval (car locals)) vlist))
3020 (setq locals (cdr locals)))
3021 (setq vlist (nreverse vlist)))
3023 (set-buffer gnus-group-buffer)
3024 (setq gnus-newsgroup-name name
3025 gnus-newsgroup-marked marked
3026 gnus-newsgroup-spam-marked spam
3027 gnus-newsgroup-unreads unread
3028 gnus-current-headers headers
3029 gnus-newsgroup-data data
3030 gnus-article-current gac
3031 gnus-summary-buffer summary
3032 gnus-article-buffer article-buffer
3033 gnus-original-article-buffer original
3034 gnus-reffed-article-number reffed
3035 gnus-current-score-file score-file
3036 gnus-newsgroup-charset default-charset)
3037 (let ((locals gnus-newsgroup-variables))
3039 (if (consp (car locals))
3040 (set (caar locals) (pop vlist))
3041 (set (car locals) (pop vlist)))
3042 (setq locals (cdr locals))))
3043 ;; The article buffer also has local variables.
3044 (when (gnus-buffer-live-p gnus-article-buffer)
3045 (set-buffer gnus-article-buffer)
3046 (setq gnus-summary-buffer summary))))))
3048 (defun gnus-summary-article-unread-p (article)
3049 "Say whether ARTICLE is unread or not."
3050 (memq article gnus-newsgroup-unreads))
3052 (defun gnus-summary-first-article-p (&optional article)
3053 "Return whether ARTICLE is the first article in the buffer."
3054 (if (not (setq article (or article (gnus-summary-article-number))))
3056 (eq article (caar gnus-newsgroup-data))))
3058 (defun gnus-summary-last-article-p (&optional article)
3059 "Return whether ARTICLE is the last article in the buffer."
3060 (if (not (setq article (or article (gnus-summary-article-number))))
3061 ;; All non-existent numbers are the last article. :-)
3063 (not (cdr (gnus-data-find-list article)))))
3065 (defun gnus-make-thread-indent-array ()
3067 (unless (and gnus-thread-indent-array
3068 (= gnus-thread-indent-level gnus-thread-indent-array-level))
3069 (setq gnus-thread-indent-array (make-vector 201 "")
3070 gnus-thread-indent-array-level gnus-thread-indent-level)
3072 (aset gnus-thread-indent-array n
3073 (make-string (* n gnus-thread-indent-level) ? ))
3076 (defun gnus-update-summary-mark-positions ()
3077 "Compute where the summary marks are to go."
3079 (when (gnus-buffer-exists-p gnus-summary-buffer)
3080 (set-buffer gnus-summary-buffer))
3081 (let ((gnus-replied-mark 129)
3082 (gnus-score-below-mark 130)
3083 (gnus-score-over-mark 130)
3084 (gnus-download-mark 131)
3085 (spec gnus-summary-line-format-spec)
3088 (gnus-set-work-buffer)
3089 (let ((gnus-summary-line-format-spec spec)
3090 (gnus-newsgroup-downloadable '((0 . t))))
3091 (gnus-summary-insert-line
3092 [0 "" "" "05 Apr 2001 23:33:09 +0400" "" "" 0 0 "" nil]
3093 0 nil 128 t nil "" nil 1)
3094 (goto-char (point-min))
3095 (setq pos (list (cons 'unread (and (search-forward "\200" nil t)
3096 (- (point) (point-min) 1)))))
3097 (goto-char (point-min))
3098 (push (cons 'replied (and (search-forward "\201" nil t)
3099 (- (point) (point-min) 1)))
3101 (goto-char (point-min))
3102 (push (cons 'score (and (search-forward "\202" nil t)
3103 (- (point) (point-min) 1)))
3105 (goto-char (point-min))
3106 (push (cons 'download
3107 (and (search-forward "\203" nil t)
3108 (- (point) (point-min) 1)))
3110 (setq gnus-summary-mark-positions pos))))
3112 (defun gnus-summary-insert-dummy-line (gnus-tmp-subject gnus-tmp-number)
3113 "Insert a dummy root in the summary buffer."
3115 (gnus-add-text-properties
3116 (point) (progn (eval gnus-summary-dummy-line-format-spec) (point))
3117 (list 'gnus-number gnus-tmp-number 'gnus-intangible gnus-tmp-number)))
3119 (defun gnus-summary-extract-address-component (from)
3120 (or (car (funcall gnus-extract-address-components from))
3123 (defun gnus-summary-from-or-to-or-newsgroups (header gnus-tmp-from)
3124 (let ((mail-parse-charset gnus-newsgroup-charset)
3125 ; Is it really necessary to do this next part for each summary line?
3126 ; Luckily, doesn't seem to slow things down much.
3127 (mail-parse-ignored-charsets
3128 (save-excursion (set-buffer gnus-summary-buffer)
3129 gnus-newsgroup-ignored-charsets)))
3131 (and gnus-ignored-from-addresses
3132 (string-match gnus-ignored-from-addresses gnus-tmp-from)
3133 (let ((extra-headers (mail-header-extra header))
3137 ((setq to (cdr (assq 'To extra-headers)))
3140 (gnus-summary-extract-address-component
3141 (funcall gnus-decode-encoded-word-function to)))))
3142 ((setq newsgroups (cdr (assq 'Newsgroups extra-headers)))
3143 (concat "=> " newsgroups)))))
3144 (inline (gnus-summary-extract-address-component gnus-tmp-from)))))
3146 (defun gnus-summary-insert-line (gnus-tmp-header
3147 gnus-tmp-level gnus-tmp-current
3148 gnus-tmp-unread gnus-tmp-replied
3149 gnus-tmp-expirable gnus-tmp-subject-or-nil
3150 &optional gnus-tmp-dummy gnus-tmp-score
3152 (let* ((gnus-tmp-indentation (aref gnus-thread-indent-array gnus-tmp-level))
3153 (gnus-tmp-lines (mail-header-lines gnus-tmp-header))
3154 (gnus-tmp-score (or gnus-tmp-score gnus-summary-default-score 0))
3155 (gnus-tmp-score-char
3156 (if (or (null gnus-summary-default-score)
3157 (<= (abs (- gnus-tmp-score gnus-summary-default-score))
3158 gnus-summary-zcore-fuzz))
3160 (if (< gnus-tmp-score gnus-summary-default-score)
3161 gnus-score-below-mark gnus-score-over-mark)))
3162 (gnus-tmp-number (mail-header-number gnus-tmp-header))
3164 (cond (gnus-tmp-process gnus-process-mark)
3165 ((memq gnus-tmp-current gnus-newsgroup-cached)
3167 (gnus-tmp-replied gnus-replied-mark)
3168 ((memq gnus-tmp-current gnus-newsgroup-forwarded)
3169 gnus-forwarded-mark)
3170 ((memq gnus-tmp-current gnus-newsgroup-saved)
3172 ((memq gnus-tmp-number gnus-newsgroup-recent)
3174 ((memq gnus-tmp-number gnus-newsgroup-unseen)
3177 (gnus-tmp-from (mail-header-from gnus-tmp-header))
3180 ((string-match "<[^>]+> *$" gnus-tmp-from)
3181 (let ((beg (match-beginning 0)))
3182 (or (and (string-match "^\".+\"" gnus-tmp-from)
3183 (substring gnus-tmp-from 1 (1- (match-end 0))))
3184 (substring gnus-tmp-from 0 beg))))
3185 ((string-match "(.+)" gnus-tmp-from)
3186 (substring gnus-tmp-from
3187 (1+ (match-beginning 0)) (1- (match-end 0))))
3189 (gnus-tmp-subject (mail-header-subject gnus-tmp-header))
3190 (gnus-tmp-opening-bracket (if gnus-tmp-dummy ?\< ?\[))
3191 (gnus-tmp-closing-bracket (if gnus-tmp-dummy ?\> ?\]))
3192 (buffer-read-only nil))
3193 (when (string= gnus-tmp-name "")
3194 (setq gnus-tmp-name gnus-tmp-from))
3195 (unless (numberp gnus-tmp-lines)
3196 (setq gnus-tmp-lines -1))
3197 (if (= gnus-tmp-lines -1)
3198 (setq gnus-tmp-lines "?")
3199 (setq gnus-tmp-lines (number-to-string gnus-tmp-lines)))
3200 (gnus-put-text-property
3202 (progn (eval gnus-summary-line-format-spec) (point))
3203 'gnus-number gnus-tmp-number)
3204 (when (gnus-visual-p 'summary-highlight 'highlight)
3206 (gnus-run-hooks 'gnus-summary-update-hook)
3209 (defun gnus-summary-update-line (&optional dont-update)
3210 "Update summary line after change."
3211 (when (and gnus-summary-default-score
3212 (not gnus-summary-inhibit-highlight))
3213 (let* ((gnus-summary-inhibit-highlight t) ; Prevent recursion.
3214 (article (gnus-summary-article-number))
3215 (score (gnus-summary-article-score article)))
3217 (if (and gnus-summary-mark-below
3218 (< (gnus-summary-article-score)
3219 gnus-summary-mark-below))
3220 ;; This article has a low score, so we mark it as read.
3221 (when (memq article gnus-newsgroup-unreads)
3222 (gnus-summary-mark-article-as-read gnus-low-score-mark))
3223 (when (eq (gnus-summary-article-mark) gnus-low-score-mark)
3224 ;; This article was previously marked as read on account
3225 ;; of a low score, but now it has risen, so we mark it as
3227 (gnus-summary-mark-article-as-unread gnus-unread-mark)))
3228 (gnus-summary-update-mark
3229 (if (or (null gnus-summary-default-score)
3230 (<= (abs (- score gnus-summary-default-score))
3231 gnus-summary-zcore-fuzz))
3233 (if (< score gnus-summary-default-score)
3234 gnus-score-below-mark gnus-score-over-mark))
3236 ;; Do visual highlighting.
3237 (when (gnus-visual-p 'summary-highlight 'highlight)
3238 (gnus-run-hooks 'gnus-summary-update-hook)))))
3240 (defvar gnus-tmp-new-adopts nil)
3242 (defun gnus-summary-number-of-articles-in-thread (thread &optional level char)
3243 "Return the number of articles in THREAD.
3244 This may be 0 in some cases -- if none of the articles in
3245 the thread are to be displayed."
3247 ;; Fix by Luc Van Eycken <Luc.VanEycken@esat.kuleuven.ac.be>.
3249 ((not (listp thread))
3251 ((and (consp thread) (cdr thread))
3254 'gnus-summary-number-of-articles-in-thread (cdr thread))))
3257 ((memq (mail-header-number (car thread)) gnus-newsgroup-limit)
3260 (when (and level (zerop level) gnus-tmp-new-adopts)
3263 'gnus-summary-number-of-articles-in-thread
3264 gnus-tmp-new-adopts))))
3266 (if (> number 1) gnus-not-empty-thread-mark
3267 gnus-empty-thread-mark)
3270 (defsubst gnus-summary-line-message-size (head)
3271 "Return pretty-printed version of message size.
3272 This function is intended to be used in
3273 `gnus-summary-line-format-alist', which see."
3274 (let ((c (or (mail-header-chars head) -1)))
3275 (cond ((< c 0) "n/a") ; chars not available
3276 ((< c (* 1000 10)) (format "%1.1fk" (/ c 1024.0)))
3277 ((< c (* 1000 100)) (format "%dk" (/ c 1024.0)))
3278 ((< c (* 1000 10000)) (format "%1.1fM" (/ c (* 1024.0 1024))))
3279 (t (format "%dM" (/ c (* 1024.0 1024)))))))
3282 (defun gnus-summary-set-local-parameters (group)
3283 "Go through the local params of GROUP and set all variable specs in that list."
3284 (let ((params (gnus-group-find-parameter group))
3285 (vars '(quit-config)) ; Ignore quit-config.
3288 (setq elem (car params)
3289 params (cdr params))
3290 (and (consp elem) ; Has to be a cons.
3291 (consp (cdr elem)) ; The cdr has to be a list.
3292 (symbolp (car elem)) ; Has to be a symbol in there.
3293 (not (memq (car elem) vars))
3294 (ignore-errors ; So we set it.
3295 (push (car elem) vars)
3296 (make-local-variable (car elem))
3297 (set (car elem) (eval (nth 1 elem))))))))
3299 (defun gnus-summary-read-group (group &optional show-all no-article
3300 kill-buffer no-display backward
3302 "Start reading news in newsgroup GROUP.
3303 If SHOW-ALL is non-nil, already read articles are also listed.
3304 If NO-ARTICLE is non-nil, no article is selected initially.
3305 If NO-DISPLAY, don't generate a summary buffer."
3309 (let ((gnus-auto-select-next nil))
3310 (or (gnus-summary-read-group-1
3311 group show-all no-article
3312 kill-buffer no-display
3315 select-articles nil)))))
3316 (eq gnus-auto-select-next 'quietly))
3317 (set-buffer gnus-group-buffer)
3318 ;; The entry function called above goes to the next
3319 ;; group automatically, so we go two groups back
3320 ;; if we are searching for the previous group.
3322 (gnus-group-prev-unread-group 2))
3323 (if (not (equal group (gnus-group-group-name)))
3324 (setq group (gnus-group-group-name))
3328 (defun gnus-summary-read-group-1 (group show-all no-article
3329 kill-buffer no-display
3330 &optional select-articles)
3331 ;; Killed foreign groups can't be entered.
3332 ;; (when (and (not (gnus-group-native-p group))
3333 ;; (not (gnus-gethash group gnus-newsrc-hashtb)))
3334 ;; (error "Dead non-native groups can't be entered"))
3335 (gnus-message 5 "Retrieving newsgroup: %s..."
3336 (gnus-group-decoded-name group))
3337 (let* ((new-group (gnus-summary-setup-buffer group))
3338 (quit-config (gnus-group-quit-config group))
3339 (did-select (and new-group (gnus-select-newsgroup
3340 group show-all select-articles))))
3342 ;; This summary buffer exists already, so we just select it.
3344 (gnus-set-global-variables)
3346 (gnus-kill-or-deaden-summary kill-buffer))
3347 (gnus-configure-windows 'summary 'force)
3348 (gnus-set-mode-line 'summary)
3349 (gnus-summary-position-point)
3352 ;; We couldn't select this group.
3354 (when (and (eq major-mode 'gnus-summary-mode)
3355 (not (equal (current-buffer) kill-buffer)))
3356 (kill-buffer (current-buffer))
3357 (if (not quit-config)
3359 ;; Update the info -- marks might need to be removed,
3361 (gnus-summary-update-info)
3362 (set-buffer gnus-group-buffer)
3363 (gnus-group-jump-to-group group)
3364 (gnus-group-next-unread-group 1))
3365 (gnus-handle-ephemeral-exit quit-config)))
3366 (let ((grpinfo (gnus-get-info group)))
3367 (if (null (gnus-info-read grpinfo))
3368 (gnus-message 3 "Group %s contains no messages"
3369 (gnus-group-decoded-name group))
3370 (gnus-message 3 "Can't select group")))
3372 ;; The user did a `C-g' while prompting for number of articles,
3373 ;; so we exit this group.
3374 ((eq did-select 'quit)
3375 (and (eq major-mode 'gnus-summary-mode)
3376 (not (equal (current-buffer) kill-buffer))
3377 (kill-buffer (current-buffer)))
3379 (gnus-kill-or-deaden-summary kill-buffer))
3380 (if (not quit-config)
3382 (set-buffer gnus-group-buffer)
3383 (gnus-group-jump-to-group group)
3384 (gnus-group-next-unread-group 1)
3385 (gnus-configure-windows 'group 'force))
3386 (gnus-handle-ephemeral-exit quit-config))
3387 ;; Finally signal the quit.
3389 ;; The group was successfully selected.
3391 (gnus-set-global-variables)
3392 ;; Save the active value in effect when the group was entered.
3393 (setq gnus-newsgroup-active
3395 (gnus-active gnus-newsgroup-name)))
3396 ;; You can change the summary buffer in some way with this hook.
3397 (gnus-run-hooks 'gnus-select-group-hook)
3398 (gnus-update-format-specifications
3399 nil 'summary 'summary-mode 'summary-dummy)
3400 (gnus-update-summary-mark-positions)
3401 ;; Do score processing.
3402 (when gnus-use-scoring
3403 (gnus-possibly-score-headers))
3404 ;; Check whether to fill in the gaps in the threads.
3405 (when gnus-build-sparse-threads
3406 (gnus-build-sparse-threads))
3407 ;; Find the initial limit.
3408 (if gnus-show-threads
3410 (let ((gnus-newsgroup-dormant nil))
3411 (gnus-summary-initial-limit show-all))
3412 (gnus-summary-initial-limit show-all))
3413 ;; When untreaded, all articles are always shown.
3414 (setq gnus-newsgroup-limit
3416 (lambda (header) (mail-header-number header))
3417 gnus-newsgroup-headers)))
3418 ;; Generate the summary buffer.
3420 (gnus-summary-prepare))
3421 (when gnus-use-trees
3422 (gnus-tree-open group)
3423 (setq gnus-summary-highlight-line-function
3424 'gnus-tree-highlight-article))
3425 ;; If the summary buffer is empty, but there are some low-scored
3426 ;; articles or some excluded dormants, we include these in the
3428 (when (and (zerop (buffer-size))
3430 (cond (gnus-newsgroup-dormant
3431 (gnus-summary-limit-include-dormant))
3432 ((and gnus-newsgroup-scored show-all)
3433 (gnus-summary-limit-include-expunged t))))
3434 ;; Function `gnus-apply-kill-file' must be called in this hook.
3435 (gnus-run-hooks 'gnus-apply-kill-hook)
3436 (if (and (zerop (buffer-size))
3439 ;; This newsgroup is empty.
3440 (gnus-summary-catchup-and-exit nil t)
3441 (gnus-message 6 "No unread news")
3443 (gnus-kill-or-deaden-summary kill-buffer))
3444 ;; Return nil from this function.
3446 ;; Hide conversation thread subtrees. We cannot do this in
3447 ;; gnus-summary-prepare-hook since kill processing may not
3448 ;; work with hidden articles.
3449 (gnus-summary-maybe-hide-threads)
3451 (gnus-kill-or-deaden-summary kill-buffer))
3452 (gnus-summary-auto-select-subject)
3453 ;; Show first unread article if requested.
3454 (if (and (not no-article)
3456 gnus-newsgroup-unreads
3457 gnus-auto-select-first)
3459 (gnus-configure-windows 'summary)
3460 (let ((art (gnus-summary-article-number)))
3461 (unless (or (memq art gnus-newsgroup-undownloaded)
3462 (memq art gnus-newsgroup-downloadable))
3463 (gnus-summary-goto-article art))))
3464 ;; Don't select any articles.
3465 (gnus-summary-position-point)
3466 (gnus-configure-windows 'summary 'force)
3467 (gnus-set-mode-line 'summary))
3468 (when (get-buffer-window gnus-group-buffer t)
3469 ;; Gotta use windows, because recenter does weird stuff if
3470 ;; the current buffer ain't the displayed window.
3471 (let ((owin (selected-window)))
3472 (select-window (get-buffer-window gnus-group-buffer t))
3473 (when (gnus-group-goto-group group)
3475 (select-window owin)))
3476 ;; Mark this buffer as "prepared".
3477 (setq gnus-newsgroup-prepared t)
3478 (gnus-run-hooks 'gnus-summary-prepared-hook)
3481 (defun gnus-summary-auto-select-subject ()
3482 "Select the subject line on initial group entry."
3483 (goto-char (point-min))
3485 ((eq gnus-auto-select-subject 'best)
3486 (gnus-summary-best-unread-subject))
3487 ((eq gnus-auto-select-subject 'unread)
3488 (gnus-summary-first-unread-subject))
3489 ((eq gnus-auto-select-subject 'unseen)
3490 (gnus-summary-first-unseen-subject))
3491 ((eq gnus-auto-select-subject 'unseen-or-unread)
3492 (gnus-summary-first-unseen-or-unread-subject))
3493 ((eq gnus-auto-select-subject 'first)
3496 ((gnus-functionp gnus-auto-select-subject)
3497 (funcall gnus-auto-select-subject))))
3499 (defun gnus-summary-prepare ()
3500 "Generate the summary buffer."
3502 (let ((buffer-read-only nil))
3504 (setq gnus-newsgroup-data nil
3505 gnus-newsgroup-data-reverse nil)
3506 (gnus-run-hooks 'gnus-summary-generate-hook)
3507 ;; Generate the buffer, either with threads or without.
3508 (when gnus-newsgroup-headers
3509 (gnus-summary-prepare-threads
3510 (if gnus-show-threads
3511 (gnus-sort-gathered-threads
3512 (funcall gnus-summary-thread-gathering-function
3514 (gnus-cut-threads (gnus-make-threads)))))
3515 ;; Unthreaded display.
3516 (gnus-sort-articles gnus-newsgroup-headers))))
3517 (setq gnus-newsgroup-data (nreverse gnus-newsgroup-data))
3518 ;; Call hooks for modifying summary buffer.
3519 (goto-char (point-min))
3520 (gnus-run-hooks 'gnus-summary-prepare-hook)))
3522 (defsubst gnus-general-simplify-subject (subject)
3523 "Simply subject by the same rules as gnus-gather-threads-by-subject."
3526 ;; Truncate the subject.
3527 (gnus-simplify-subject-functions
3528 (gnus-map-function gnus-simplify-subject-functions subject))
3529 ((numberp gnus-summary-gather-subject-limit)
3530 (setq subject (gnus-simplify-subject-re subject))
3531 (if (> (length subject) gnus-summary-gather-subject-limit)
3532 (substring subject 0 gnus-summary-gather-subject-limit)
3534 ;; Fuzzily simplify it.
3535 ((eq 'fuzzy gnus-summary-gather-subject-limit)
3536 (gnus-simplify-subject-fuzzy subject))
3537 ;; Just remove the leading "Re:".
3539 (gnus-simplify-subject-re subject))))
3541 (if (and gnus-summary-gather-exclude-subject
3542 (string-match gnus-summary-gather-exclude-subject subject))
3543 nil ; This article shouldn't be gathered
3546 (defun gnus-summary-simplify-subject-query ()
3547 "Query where the respool algorithm would put this article."
3549 (gnus-summary-select-article)
3550 (message (gnus-general-simplify-subject (gnus-summary-article-subject))))
3552 (defun gnus-gather-threads-by-subject (threads)
3553 "Gather threads by looking at Subject headers."
3554 (if (not gnus-summary-make-false-root)
3556 (let ((hashtb (gnus-make-hashtable 1024))
3559 subject hthread whole-subject)
3561 (setq subject (gnus-general-simplify-subject
3562 (setq whole-subject (mail-header-subject
3565 (if (setq hthread (gnus-gethash subject hashtb))
3567 ;; We enter a dummy root into the thread, if we
3568 ;; haven't done that already.
3569 (unless (stringp (caar hthread))
3570 (setcar hthread (list whole-subject (car hthread))))
3571 ;; We add this new gathered thread to this gathered
3573 (setcdr (car hthread)
3574 (nconc (cdar hthread) (list (car threads))))
3575 ;; Remove it from the list of threads.
3576 (setcdr prev (cdr threads))
3577 (setq threads prev))
3578 ;; Enter this thread into the hash table.
3579 (gnus-sethash subject threads hashtb)))
3581 (setq threads (cdr threads)))
3584 (defun gnus-gather-threads-by-references (threads)
3585 "Gather threads by looking at References headers."
3586 (let ((idhashtb (gnus-make-hashtable 1024))
3587 (thhashtb (gnus-make-hashtable 1024))
3590 ids references id gthread gid entered ref)
3592 (when (setq references (mail-header-references (caar threads)))
3593 (setq id (mail-header-id (caar threads))
3594 ids (inline (gnus-split-references references))
3596 (while (setq ref (pop ids))
3597 (setq ids (delete ref ids))
3598 (if (not (setq gid (gnus-gethash ref idhashtb)))
3600 (gnus-sethash ref id idhashtb)
3601 (gnus-sethash id threads thhashtb))
3602 (setq gthread (gnus-gethash gid thhashtb))
3604 ;; We enter a dummy root into the thread, if we
3605 ;; haven't done that already.
3606 (unless (stringp (caar gthread))
3607 (setcar gthread (list (mail-header-subject (caar gthread))
3609 ;; We add this new gathered thread to this gathered
3611 (setcdr (car gthread)
3612 (nconc (cdar gthread) (list (car threads)))))
3613 ;; Add it into the thread hash table.
3614 (gnus-sethash id gthread thhashtb)
3616 ;; Remove it from the list of threads.
3617 (setcdr prev (cdr threads))
3618 (setq threads prev))))
3620 (setq threads (cdr threads)))
3623 (defun gnus-sort-gathered-threads (threads)
3624 "Sort subtreads inside each gathered thread by `gnus-sort-gathered-threads-function'."
3625 (let ((result threads))
3627 (when (stringp (caar threads))
3628 (setcdr (car threads)
3629 (sort (cdar threads) gnus-sort-gathered-threads-function)))
3630 (setq threads (cdr threads)))
3633 (defun gnus-thread-loop-p (root thread)
3634 "Say whether ROOT is in THREAD."
3635 (let ((stack (list thread))
3638 (while (setq thread (pop stack))
3639 (setq th (cdr thread))
3641 (not (eq (caar th) root)))
3644 ;; We have found a loop.
3646 (setcdr thread (delq (car th) (cdr thread)))
3647 (if (boundp (setq ref-dep (intern "none"
3648 gnus-newsgroup-dependencies)))
3649 (setcdr (symbol-value ref-dep)
3650 (nconc (cdr (symbol-value ref-dep))
3652 (set ref-dep (list nil (car th))))
3655 ;; Push all the subthreads onto the stack.
3656 (push (cdr thread) stack)))
3659 (defun gnus-make-threads ()
3660 "Go through the dependency hashtb and find the roots. Return all threads."
3662 (while (catch 'infloop
3665 ;; Deal with self-referencing References loops.
3666 (when (and (car (symbol-value refs))
3673 (car (symbol-value refs)) thread))
3674 (cdr (symbol-value refs)))))))
3677 (unless (car (symbol-value refs))
3678 ;; These threads do not refer back to any other
3679 ;; articles, so they're roots.
3680 (setq threads (append (cdr (symbol-value refs)) threads))))
3681 gnus-newsgroup-dependencies)))
3684 ;; Build the thread tree.
3685 (defsubst gnus-dependencies-add-header (header dependencies force-new)
3686 "Enter HEADER into the DEPENDENCIES table if it is not already there.
3688 If FORCE-NEW is not nil, enter HEADER into the DEPENDENCIES table even
3689 if it was already present.
3691 If `gnus-summary-ignore-duplicates' is nil then duplicate Message-IDs
3692 will not be entered in the DEPENDENCIES table. Otherwise duplicate
3693 Message-IDs will be renamed to a unique Message-ID before being
3696 Returns HEADER if it was entered in the DEPENDENCIES. Returns nil otherwise."
3697 (let* ((id (mail-header-id header))
3698 (id-dep (and id (intern id dependencies)))
3699 parent-id ref ref-dep ref-header replaced)
3700 ;; Enter this `header' in the `dependencies' table.
3704 ;; The first two cases do the normal part: enter a new `header'
3705 ;; in the `dependencies' table.
3706 ((not (boundp id-dep))
3707 (set id-dep (list header)))
3708 ((null (car (symbol-value id-dep)))
3709 (setcar (symbol-value id-dep) header))
3711 ;; From here the `header' was already present in the
3712 ;; `dependencies' table.
3714 ;; Overrides an existing entry;
3715 ;; just set the header part of the entry.
3716 (setcar (symbol-value id-dep) header)
3719 ;; Renames the existing `header' to a unique Message-ID.
3720 ((not gnus-summary-ignore-duplicates)
3721 ;; An article with this Message-ID has already been seen.
3722 ;; We rename the Message-ID.
3723 (set (setq id-dep (intern (setq id (nnmail-message-id)) dependencies))
3725 (mail-header-set-id header id))
3727 ;; The last case ignores an existing entry, except it adds any
3728 ;; additional Xrefs (in case the two articles came from different
3730 ;; Also sets `header' to `nil' meaning that the `dependencies'
3731 ;; table was *not* modified.
3733 (mail-header-set-xref
3734 (car (symbol-value id-dep))
3735 (concat (or (mail-header-xref (car (symbol-value id-dep)))
3737 (or (mail-header-xref header) "")))
3740 (when (and header (not replaced))
3741 ;; First check that we are not creating a References loop.
3742 (setq parent-id (gnus-parent-id (mail-header-references header)))
3743 (setq ref parent-id)
3745 (setq ref-dep (intern-soft ref dependencies))
3747 (setq ref-header (car (symbol-value ref-dep))))
3748 (if (string= id ref)
3749 ;; Yuk! This is a reference loop. Make the article be a
3752 (mail-header-set-references (car (symbol-value id-dep)) "none")
3754 (setq parent-id nil))
3755 (setq ref (gnus-parent-id (mail-header-references ref-header)))))
3756 (setq ref-dep (intern (or parent-id "none") dependencies))
3757 (if (boundp ref-dep)
3758 (setcdr (symbol-value ref-dep)
3759 (nconc (cdr (symbol-value ref-dep))
3760 (list (symbol-value id-dep))))
3761 (set ref-dep (list nil (symbol-value id-dep)))))
3764 (defun gnus-extract-message-id-from-in-reply-to (string)
3765 (if (string-match "<[^>]+>" string)
3766 (substring string (match-beginning 0) (match-end 0))
3769 (defun gnus-build-sparse-threads ()
3770 (let ((headers gnus-newsgroup-headers)
3771 (mail-parse-charset gnus-newsgroup-charset)
3772 (gnus-summary-ignore-duplicates t)
3773 header references generation relations
3774 subject child end new-child date)
3775 ;; First we create an alist of generations/relations, where
3776 ;; generations is how much we trust the relation, and the relation
3778 (gnus-message 7 "Making sparse threads...")
3780 (nnheader-set-temp-buffer " *gnus sparse threads*")
3781 (while (setq header (pop headers))
3782 (when (and (setq references (mail-header-references header))
3783 (not (string= references "")))
3785 (setq child (mail-header-id header)
3786 subject (mail-header-subject header)
3787 date (mail-header-date header)
3789 (while (search-backward ">" nil t)
3790 (setq end (1+ (point)))
3791 (when (search-backward "<" nil t)
3792 (setq new-child (buffer-substring (point) end))
3793 (push (list (incf generation)
3794 child (setq child new-child)
3798 (push (list (1+ generation) child nil subject) relations))
3800 (kill-buffer (current-buffer)))
3801 ;; Sort over trustworthiness.
3804 (when (gnus-dependencies-add-header
3805 (make-full-mail-header
3806 gnus-reffed-article-number
3807 (nth 3 relation) "" (or (nth 4 relation) "")
3809 (or (nth 2 relation) "") 0 0 "")
3810 gnus-newsgroup-dependencies nil)
3811 (push gnus-reffed-article-number gnus-newsgroup-limit)
3812 (push gnus-reffed-article-number gnus-newsgroup-sparse)
3813 (push (cons gnus-reffed-article-number gnus-sparse-mark)
3814 gnus-newsgroup-reads)
3815 (decf gnus-reffed-article-number)))
3816 (sort relations 'car-less-than-car))
3817 (gnus-message 7 "Making sparse threads...done")))
3819 (defun gnus-build-old-threads ()
3820 ;; Look at all the articles that refer back to old articles, and
3821 ;; fetch the headers for the articles that aren't there. This will
3822 ;; build complete threads - if the roots haven't been expired by the
3824 (let ((mail-parse-charset gnus-newsgroup-charset)
3828 (when (not (car (symbol-value refs)))
3829 (setq heads (cdr (symbol-value refs)))
3831 (if (memq (mail-header-number (caar heads))
3832 gnus-newsgroup-dormant)
3833 (setq heads (cdr heads))
3834 (setq id (symbol-name refs))
3835 (while (and (setq id (gnus-build-get-header id))
3836 (not (car (gnus-id-to-thread id)))))
3837 (setq heads nil)))))
3838 gnus-newsgroup-dependencies)))
3840 ;; This function has to be called with point after the article number
3841 ;; on the beginning of the line.
3842 (defsubst gnus-nov-parse-line (number dependencies &optional force-new)
3843 (let ((eol (gnus-point-at-eol))
3844 (buffer (current-buffer))
3845 header references in-reply-to)
3847 ;; overview: [num subject from date id refs chars lines misc]
3850 (narrow-to-region (point) eol)
3855 (make-full-mail-header
3857 (condition-case () ; subject
3858 (funcall gnus-decode-encoded-word-function
3859 (setq x (nnheader-nov-field)))
3861 (condition-case () ; from
3862 (funcall gnus-decode-encoded-word-function
3863 (setq x (nnheader-nov-field)))
3865 (nnheader-nov-field) ; date
3866 (nnheader-nov-read-message-id) ; id
3867 (setq references (nnheader-nov-field)) ; refs
3868 (nnheader-nov-read-integer) ; chars
3869 (nnheader-nov-read-integer) ; lines
3871 (if (looking-at "Xref: ")
3872 (goto-char (match-end 0)))
3873 (nnheader-nov-field)) ; Xref
3874 (nnheader-nov-parse-extra)))) ; extra
3878 (when (and (string= references "")
3879 (setq in-reply-to (mail-header-extra header))
3880 (setq in-reply-to (cdr (assq 'In-Reply-To in-reply-to))))
3881 (mail-header-set-references
3882 header (gnus-extract-message-id-from-in-reply-to in-reply-to)))
3884 (when gnus-alter-header-function
3885 (funcall gnus-alter-header-function header))
3886 (gnus-dependencies-add-header header dependencies force-new)))
3888 (defun gnus-build-get-header (id)
3889 "Look through the buffer of NOV lines and find the header to ID.
3890 Enter this line into the dependencies hash table, and return
3891 the id of the parent article (if any)."
3892 (let ((deps gnus-newsgroup-dependencies)
3896 (set-buffer nntp-server-buffer)
3897 (let ((case-fold-search nil))
3898 (goto-char (point-min))
3899 (while (and (not found)
3900 (search-forward id nil t))
3902 (setq found (looking-at
3903 (format "^[^\t]*\t[^\t]*\t[^\t]*\t[^\t]*\t%s"
3904 (regexp-quote id))))
3905 (or found (beginning-of-line 2)))
3909 (setq header (gnus-nov-parse-line
3910 (read (current-buffer)) deps))
3911 (gnus-parent-id (mail-header-references header))))))
3913 (let ((number (mail-header-number header)))
3914 (push number gnus-newsgroup-limit)
3915 (push header gnus-newsgroup-headers)
3916 (if (memq number gnus-newsgroup-unselected)
3918 (setq gnus-newsgroup-unreads
3919 (gnus-add-to-sorted-list gnus-newsgroup-unreads
3921 (setq gnus-newsgroup-unselected
3922 (delq number gnus-newsgroup-unselected)))
3923 (push number gnus-newsgroup-ancient)))))))
3925 (defun gnus-build-all-threads ()
3926 "Read all the headers."
3927 (let ((gnus-summary-ignore-duplicates t)
3928 (mail-parse-charset gnus-newsgroup-charset)
3929 (dependencies gnus-newsgroup-dependencies)
3932 (set-buffer nntp-server-buffer)
3933 (let ((case-fold-search nil))
3934 (goto-char (point-min))
3937 (setq article (read (current-buffer))
3938 header (gnus-nov-parse-line article dependencies)))
3941 (set-buffer gnus-summary-buffer)
3942 (push header gnus-newsgroup-headers)
3943 (if (memq (setq article (mail-header-number header))
3944 gnus-newsgroup-unselected)
3946 (setq gnus-newsgroup-unreads
3947 (gnus-add-to-sorted-list
3948 gnus-newsgroup-unreads article))
3949 (setq gnus-newsgroup-unselected
3950 (delq article gnus-newsgroup-unselected)))
3951 (push article gnus-newsgroup-ancient)))
3952 (forward-line 1)))))))
3954 (defun gnus-summary-update-article-line (article header)
3955 "Update the line for ARTICLE using HEADERS."
3956 (let* ((id (mail-header-id header))
3957 (thread (gnus-id-to-thread id)))
3959 (error "Article in no thread"))
3960 ;; Update the thread.
3961 (setcar thread header)
3962 (gnus-summary-goto-subject article)
3963 (let* ((datal (gnus-data-find-list article))
3965 (length (when (cdr datal)
3966 (- (gnus-data-pos data)
3967 (gnus-data-pos (cadr datal)))))
3968 (buffer-read-only nil)
3969 (level (gnus-summary-thread-level)))
3971 (gnus-summary-insert-line
3972 header level nil (gnus-article-mark article)
3973 (memq article gnus-newsgroup-replied)
3974 (memq article gnus-newsgroup-expirable)
3975 ;; Only insert the Subject string when it's different
3976 ;; from the previous Subject string.
3981 (mail-header-subject
3984 (gnus-data-find-list
3986 (gnus-data-list t)))))
3987 ;; Error on the side of excessive subjects.
3989 (mail-header-subject header)))
3991 (mail-header-subject header))
3992 nil (cdr (assq article gnus-newsgroup-scored))
3993 (memq article gnus-newsgroup-processable))
3995 (gnus-data-update-list
3996 (cdr datal) (- length (- (gnus-data-pos data) (point))))))))
3998 (defun gnus-summary-update-article (article &optional iheader)
3999 "Update ARTICLE in the summary buffer."
4000 (set-buffer gnus-summary-buffer)
4001 (let* ((header (gnus-summary-article-header article))
4002 (id (mail-header-id header))
4003 (data (gnus-data-find article))
4004 (thread (gnus-id-to-thread id))
4005 (references (mail-header-references header))
4009 (when (and references
4010 (not (equal "" references)))
4013 (buffer-read-only nil)
4019 (delq thread parent)))
4020 (if (gnus-summary-insert-subject id header)
4021 ;; Set the (possibly) new article number in the data structure.
4022 (gnus-data-set-number data (gnus-id-to-article id))
4026 (defun gnus-rebuild-thread (id &optional line)
4027 "Rebuild the thread containing ID.
4028 If LINE, insert the rebuilt thread starting on line LINE."
4029 (let ((buffer-read-only nil)
4030 old-pos current thread data)
4031 (if (not gnus-show-threads)
4032 (setq thread (list (car (gnus-id-to-thread id))))
4033 ;; Get the thread this article is part of.
4034 (setq thread (gnus-remove-thread id)))
4035 (setq old-pos (gnus-point-at-bol))
4036 (setq current (save-excursion
4037 (and (re-search-backward "[\r\n]" nil t)
4038 (gnus-summary-article-number))))
4039 ;; If this is a gathered thread, we have to go some re-gathering.
4040 (when (stringp (car thread))
4041 (let ((subject (car thread))
4043 (setq thread (cdr thread))
4045 (unless (memq (setq thr (gnus-id-to-thread
4047 (mail-header-id (caar thread)))))
4050 (setq thread (cdr thread)))
4051 ;; We now have all (unique) roots.
4052 (if (= (length roots) 1)
4053 ;; All the loose roots are now one solid root.
4054 (setq thread (car roots))
4055 (setq thread (cons subject (gnus-sort-threads roots))))))
4057 ;; We then insert this thread into the summary buffer.
4059 (goto-char (point-min))
4060 (forward-line (1- line)))
4061 (let (gnus-newsgroup-data gnus-newsgroup-threads)
4062 (if gnus-show-threads
4063 (gnus-summary-prepare-threads (gnus-cut-threads (list thread)))
4064 (gnus-summary-prepare-unthreaded thread))
4065 (setq data (nreverse gnus-newsgroup-data))
4066 (setq threads gnus-newsgroup-threads))
4067 ;; We splice the new data into the data structure.
4068 ;;!!! This is kinda bogus. We assume that in LINE is non-nil,
4069 ;;!!! then we want to insert at the beginning of the buffer.
4070 ;;!!! That happens to be true with Gnus now, but that may
4071 ;;!!! change in the future. Perhaps.
4072 (gnus-data-enter-list
4073 (if line nil current) data (- (point) old-pos))
4074 (setq gnus-newsgroup-threads
4075 (nconc threads gnus-newsgroup-threads))
4076 (gnus-data-compute-positions))))
4078 (defun gnus-number-to-header (number)
4079 "Return the header for article NUMBER."
4080 (let ((headers gnus-newsgroup-headers))
4082 (not (= number (mail-header-number (car headers)))))
4087 (defun gnus-parent-headers (in-headers &optional generation)
4088 "Return the headers of the GENERATIONeth parent of HEADERS."
4090 (setq generation 1))
4092 (headers in-headers)
4095 (not (zerop generation))
4096 (setq references (mail-header-references headers)))
4097 (setq headers (if (and references
4098 (setq parent (gnus-parent-id references)))
4099 (car (gnus-id-to-thread parent))
4102 (and (not (eq headers in-headers))
4105 (defun gnus-id-to-thread (id)
4106 "Return the (sub-)thread where ID appears."
4107 (gnus-gethash id gnus-newsgroup-dependencies))
4109 (defun gnus-id-to-article (id)
4110 "Return the article number of ID."
4111 (let ((thread (gnus-id-to-thread id)))
4114 (mail-header-number (car thread)))))
4116 (defun gnus-id-to-header (id)
4117 "Return the article headers of ID."
4118 (car (gnus-id-to-thread id)))
4120 (defun gnus-article-displayed-root-p (article)
4121 "Say whether ARTICLE is a root(ish) article."
4122 (let ((level (gnus-summary-thread-level article))
4123 (refs (mail-header-references (gnus-summary-article-header article)))
4129 ((null (gnus-parent-id refs)) t)
4131 (null (setq particle (gnus-id-to-article
4132 (gnus-parent-id refs))))
4133 (null (gnus-summary-thread-level particle)))))))
4135 (defun gnus-root-id (id)
4136 "Return the id of the root of the thread where ID appears."
4138 (while (and id (setq prev (car (gnus-id-to-thread id))))
4140 id (gnus-parent-id (mail-header-references prev))))
4143 (defun gnus-articles-in-thread (thread)
4144 "Return the list of articles in THREAD."
4145 (cons (mail-header-number (car thread))
4146 (apply 'nconc (mapcar 'gnus-articles-in-thread (cdr thread)))))
4148 (defun gnus-remove-thread (id &optional dont-remove)
4149 "Remove the thread that has ID in it."
4150 (let (headers thread last-id)
4151 ;; First go up in this thread until we find the root.
4152 (setq last-id (gnus-root-id id)
4153 headers (message-flatten-list (gnus-id-to-thread last-id)))
4154 ;; We have now found the real root of this thread. It might have
4155 ;; been gathered into some loose thread, so we have to search
4156 ;; through the threads to find the thread we wanted.
4157 (let ((threads gnus-newsgroup-threads)
4160 (setq sub (car threads))
4161 (if (stringp (car sub))
4162 ;; This is a gathered thread, so we look at the roots
4163 ;; below it to find whether this article is in this
4166 (setq sub (cdr sub))
4168 (when (member (caar sub) headers)
4169 (setq thread (car threads)
4172 (setq sub (cdr sub))))
4173 ;; It's an ordinary thread, so we check it.
4174 (when (eq (car sub) (car headers))
4177 (setq threads (cdr threads)))
4178 ;; If this article is in no thread, then it's a root.
4181 (setq gnus-newsgroup-threads (delq thread gnus-newsgroup-threads)))
4182 (setq thread (gnus-id-to-thread last-id)))
4185 thread ; We return this thread.
4187 (if (stringp (car thread))
4189 ;; If we use dummy roots, then we have to remove the
4190 ;; dummy root as well.
4191 (when (eq gnus-summary-make-false-root 'dummy)
4192 ;; We go to the dummy root by going to
4193 ;; the first sub-"thread", and then one line up.
4194 (gnus-summary-goto-article
4195 (mail-header-number (caadr thread)))
4198 (gnus-data-compute-positions))
4199 (setq thread (cdr thread))
4201 (gnus-remove-thread-1 (car thread))
4202 (setq thread (cdr thread))))
4203 (gnus-remove-thread-1 thread))))))))
4205 (defun gnus-remove-thread-1 (thread)
4206 "Remove the thread THREAD recursively."
4207 (let ((number (mail-header-number (pop thread)))
4209 (setq thread (reverse thread))
4211 (gnus-remove-thread-1 (pop thread)))
4212 (when (setq d (gnus-data-find number))
4213 (goto-char (gnus-data-pos d))
4214 (gnus-summary-show-thread)
4217 (- (gnus-point-at-bol)
4219 (1+ (gnus-point-at-eol))
4220 (gnus-delete-line)))))))
4222 (defun gnus-sort-threads-1 (threads func)
4223 (sort (mapcar (lambda (thread)
4226 (gnus-sort-threads-1 (cdr thread) func))))
4229 (defun gnus-sort-threads (threads)
4231 (if (not gnus-thread-sort-functions)
4233 (gnus-message 8 "Sorting threads...")
4235 (gnus-sort-threads-1
4237 (gnus-make-sort-function gnus-thread-sort-functions))
4238 (gnus-message 8 "Sorting threads...done"))))
4240 (defun gnus-sort-articles (articles)
4242 (when gnus-article-sort-functions
4243 (gnus-message 7 "Sorting articles...")
4245 (setq gnus-newsgroup-headers
4246 (sort articles (gnus-make-sort-function
4247 gnus-article-sort-functions)))
4248 (gnus-message 7 "Sorting articles...done"))))
4250 ;; Written by Hallvard B Furuseth <h.b.furuseth@usit.uio.no>.
4251 (defmacro gnus-thread-header (thread)
4252 "Return header of first article in THREAD.
4253 Note that THREAD must never, ever be anything else than a variable -
4254 using some other form will lead to serious barfage."
4255 (or (symbolp thread) (signal 'wrong-type-argument '(symbolp thread)))
4256 ;; (8% speedup to gnus-summary-prepare, just for fun :-)
4257 (list 'byte-code "\10\211:\203\17\0\211@;\203\16\0A@@\207"
4260 (defsubst gnus-article-sort-by-number (h1 h2)
4261 "Sort articles by article number."
4262 (< (mail-header-number h1)
4263 (mail-header-number h2)))
4265 (defun gnus-thread-sort-by-number (h1 h2)
4266 "Sort threads by root article number."
4267 (gnus-article-sort-by-number
4268 (gnus-thread-header h1) (gnus-thread-header h2)))
4270 (defsubst gnus-article-sort-by-random (h1 h2)
4271 "Sort articles by article number."
4274 (defun gnus-thread-sort-by-random (h1 h2)
4275 "Sort threads by root article number."
4276 (gnus-article-sort-by-random
4277 (gnus-thread-header h1) (gnus-thread-header h2)))
4279 (defsubst gnus-article-sort-by-lines (h1 h2)
4280 "Sort articles by article Lines header."
4281 (< (mail-header-lines h1)
4282 (mail-header-lines h2)))
4284 (defun gnus-thread-sort-by-lines (h1 h2)
4285 "Sort threads by root article Lines header."
4286 (gnus-article-sort-by-lines
4287 (gnus-thread-header h1) (gnus-thread-header h2)))
4289 (defsubst gnus-article-sort-by-chars (h1 h2)
4290 "Sort articles by octet length."
4291 (< (mail-header-chars h1)
4292 (mail-header-chars h2)))
4294 (defun gnus-thread-sort-by-chars (h1 h2)
4295 "Sort threads by root article octet length."
4296 (gnus-article-sort-by-chars
4297 (gnus-thread-header h1) (gnus-thread-header h2)))
4299 (defsubst gnus-article-sort-by-author (h1 h2)
4300 "Sort articles by root author."
4302 (let ((extract (funcall
4303 gnus-extract-address-components
4304 (mail-header-from h1))))
4305 (or (car extract) (cadr extract) ""))
4306 (let ((extract (funcall
4307 gnus-extract-address-components
4308 (mail-header-from h2))))
4309 (or (car extract) (cadr extract) ""))))
4311 (defun gnus-thread-sort-by-author (h1 h2)
4312 "Sort threads by root author."
4313 (gnus-article-sort-by-author
4314 (gnus-thread-header h1) (gnus-thread-header h2)))
4316 (defsubst gnus-article-sort-by-subject (h1 h2)
4317 "Sort articles by root subject."
4319 (downcase (gnus-simplify-subject-re (mail-header-subject h1)))
4320 (downcase (gnus-simplify-subject-re (mail-header-subject h2)))))
4322 (defun gnus-thread-sort-by-subject (h1 h2)
4323 "Sort threads by root subject."
4324 (gnus-article-sort-by-subject
4325 (gnus-thread-header h1) (gnus-thread-header h2)))
4327 (defsubst gnus-article-sort-by-date (h1 h2)
4328 "Sort articles by root article date."
4330 (gnus-date-get-time (mail-header-date h1))
4331 (gnus-date-get-time (mail-header-date h2))))
4333 (defun gnus-thread-sort-by-date (h1 h2)
4334 "Sort threads by root article date."
4335 (gnus-article-sort-by-date
4336 (gnus-thread-header h1) (gnus-thread-header h2)))
4338 (defsubst gnus-article-sort-by-score (h1 h2)
4339 "Sort articles by root article score.
4340 Unscored articles will be counted as having a score of zero."
4341 (> (or (cdr (assq (mail-header-number h1)
4342 gnus-newsgroup-scored))
4343 gnus-summary-default-score 0)
4344 (or (cdr (assq (mail-header-number h2)
4345 gnus-newsgroup-scored))
4346 gnus-summary-default-score 0)))
4348 (defun gnus-thread-sort-by-score (h1 h2)
4349 "Sort threads by root article score."
4350 (gnus-article-sort-by-score
4351 (gnus-thread-header h1) (gnus-thread-header h2)))
4353 (defun gnus-thread-sort-by-total-score (h1 h2)
4354 "Sort threads by the sum of all scores in the thread.
4355 Unscored articles will be counted as having a score of zero."
4356 (> (gnus-thread-total-score h1) (gnus-thread-total-score h2)))
4358 (defun gnus-thread-total-score (thread)
4359 ;; This function find the total score of THREAD.
4364 (if (stringp (car thread))
4365 (apply gnus-thread-score-function 0
4366 (mapcar 'gnus-thread-total-score-1 (cdr thread)))
4367 (gnus-thread-total-score-1 thread)))
4369 (gnus-thread-total-score-1 (list thread)))))
4371 (defun gnus-thread-sort-by-most-recent-number (h1 h2)
4372 "Sort threads such that the thread with the most recently arrived article comes first."
4373 (> (gnus-thread-highest-number h1) (gnus-thread-highest-number h2)))
4375 (defun gnus-thread-highest-number (thread)
4376 "Return the highest article number in THREAD."
4377 (apply 'max (mapcar (lambda (header)
4378 (mail-header-number header))
4379 (message-flatten-list thread))))
4381 (defun gnus-thread-sort-by-most-recent-date (h1 h2)
4382 "Sort threads such that the thread with the most recently dated article comes first."
4383 (> (gnus-thread-latest-date h1) (gnus-thread-latest-date h2)))
4385 (defun gnus-thread-latest-date (thread)
4386 "Return the highest article date in THREAD."
4387 (let ((previous-time 0))
4392 (mail-header-parse-date
4394 (mail-header-date header)
4395 (error previous-time))))))
4397 (message-flatten-list thread)
4399 (< (mail-header-number h1)
4400 (mail-header-number h2))))))))
4402 (defun gnus-thread-total-score-1 (root)
4403 ;; This function find the total score of the thread below ROOT.
4404 (setq root (car root))
4405 (apply gnus-thread-score-function
4407 (mapcar 'gnus-thread-total-score
4408 (cdr (gnus-id-to-thread (mail-header-id root))))
4409 (when (> (mail-header-number root) 0)
4410 (list (or (cdr (assq (mail-header-number root)
4411 gnus-newsgroup-scored))
4412 gnus-summary-default-score 0))))
4413 (list gnus-summary-default-score)
4416 ;; Added by Per Abrahamsen <amanda@iesd.auc.dk>.
4417 (defvar gnus-tmp-prev-subject nil)
4418 (defvar gnus-tmp-false-parent nil)
4419 (defvar gnus-tmp-root-expunged nil)
4420 (defvar gnus-tmp-dummy-line nil)
4422 (eval-when-compile (defvar gnus-tmp-header))
4423 (defun gnus-extra-header (type &optional header)
4424 "Return the extra header of TYPE."
4425 (or (cdr (assq type (mail-header-extra (or header gnus-tmp-header))))
4428 (defvar gnus-tmp-thread-tree-header-string "")
4430 (defcustom gnus-sum-thread-tree-root "> "
4431 "With %B spec, used for the root of a thread.
4432 If nil, use subject instead."
4434 :group 'gnus-thread)
4435 (defcustom gnus-sum-thread-tree-single-indent ""
4436 "With %B spec, used for a thread with just one message.
4437 If nil, use subject instead."
4439 :group 'gnus-thread)
4440 (defcustom gnus-sum-thread-tree-vertical "| "
4441 "With %B spec, used for drawing a vertical line."
4443 :group 'gnus-thread)
4444 (defcustom gnus-sum-thread-tree-indent " "
4445 "With %B spec, used for indenting."
4447 :group 'gnus-thread)
4448 (defcustom gnus-sum-thread-tree-leaf-with-other "+-> "
4449 "With %B spec, used for a leaf with brothers."
4451 :group 'gnus-thread)
4452 (defcustom gnus-sum-thread-tree-single-leaf "\\-> "
4453 "With %B spec, used for a leaf without brothers."
4455 :group 'gnus-thread)
4457 (defun gnus-summary-prepare-threads (threads)
4458 "Prepare summary buffer from THREADS and indentation LEVEL.
4459 THREADS is either a list of `(PARENT [(CHILD1 [(GRANDCHILD ...]...) ...])'
4460 or a straight list of headers."
4461 (gnus-message 7 "Generating summary...")
4463 (setq gnus-newsgroup-threads threads)
4466 (let ((gnus-tmp-level 0)
4467 (default-score (or gnus-summary-default-score 0))
4468 (gnus-visual-p (gnus-visual-p 'summary-highlight 'highlight))
4469 thread number subject stack state gnus-tmp-gathered beg-match
4470 new-roots gnus-tmp-new-adopts thread-end simp-subject
4471 gnus-tmp-header gnus-tmp-unread
4472 gnus-tmp-replied gnus-tmp-subject-or-nil
4473 gnus-tmp-dummy gnus-tmp-indentation gnus-tmp-lines gnus-tmp-score
4474 gnus-tmp-score-char gnus-tmp-from gnus-tmp-name
4475 gnus-tmp-number gnus-tmp-opening-bracket gnus-tmp-closing-bracket
4478 (setq gnus-tmp-prev-subject nil)
4480 (if (vectorp (car threads))
4481 ;; If this is a straight (sic) list of headers, then a
4482 ;; threaded summary display isn't required, so we just create
4483 ;; an unthreaded one.
4484 (gnus-summary-prepare-unthreaded threads)
4486 ;; Do the threaded display.
4488 (while (or threads stack gnus-tmp-new-adopts new-roots)
4490 (if (and (= gnus-tmp-level 0)
4493 (not gnus-tmp-false-parent)
4494 (or gnus-tmp-new-adopts new-roots))
4495 (if gnus-tmp-new-adopts
4496 (setq gnus-tmp-level (if gnus-tmp-root-expunged 0 1)
4497 thread (list (car gnus-tmp-new-adopts))
4498 gnus-tmp-header (caar thread)
4499 gnus-tmp-new-adopts (cdr gnus-tmp-new-adopts))
4501 (setq thread (list (car new-roots))
4502 gnus-tmp-header (caar thread)
4503 new-roots (cdr new-roots))))
4506 ;; If there are some threads, we do them before the
4507 ;; threads on the stack.
4508 (setq thread threads
4509 gnus-tmp-header (caar thread))
4510 ;; There were no current threads, so we pop something off
4512 (setq state (car stack)
4513 gnus-tmp-level (car state)
4514 tree-stack (cadr state)
4515 thread (caddr state)
4517 gnus-tmp-header (caar thread))))
4519 (setq gnus-tmp-false-parent nil)
4520 (setq gnus-tmp-root-expunged nil)
4521 (setq thread-end nil)
4523 (if (stringp gnus-tmp-header)
4524 ;; The header is a dummy root.
4526 ((eq gnus-summary-make-false-root 'adopt)
4527 ;; We let the first article adopt the rest.
4528 (setq gnus-tmp-new-adopts (nconc gnus-tmp-new-adopts
4530 (setq gnus-tmp-gathered
4532 (lambda (h) (mail-header-number (car h)))
4535 (setq thread (cons (list (caar thread)
4538 (setq gnus-tmp-level -1
4539 gnus-tmp-false-parent t))
4540 ((eq gnus-summary-make-false-root 'empty)
4541 ;; We print adopted articles with empty subject fields.
4542 (setq gnus-tmp-gathered
4544 (lambda (h) (mail-header-number (car h)))
4547 (setq gnus-tmp-level -1))
4548 ((eq gnus-summary-make-false-root 'dummy)
4549 ;; We remember that we probably want to output a dummy
4551 (setq gnus-tmp-dummy-line gnus-tmp-header)
4552 (setq gnus-tmp-prev-subject gnus-tmp-header))
4554 ;; We do not make a root for the gathered
4555 ;; sub-threads at all.
4556 (setq gnus-tmp-level -1)))
4558 (setq number (mail-header-number gnus-tmp-header)
4559 subject (mail-header-subject gnus-tmp-header)
4560 simp-subject (gnus-simplify-subject-fully subject))
4563 ;; If the thread has changed subject, we might want to make
4564 ;; this subthread into a root.
4565 ((and (null gnus-thread-ignore-subject)
4566 (not (zerop gnus-tmp-level))
4567 gnus-tmp-prev-subject
4568 (not (string= gnus-tmp-prev-subject simp-subject)))
4569 (setq new-roots (nconc new-roots (list (car thread)))
4571 gnus-tmp-header nil))
4572 ;; If the article lies outside the current limit,
4573 ;; then we do not display it.
4574 ((not (memq number gnus-newsgroup-limit))
4575 (setq gnus-tmp-gathered
4577 (lambda (h) (mail-header-number (car h)))
4580 (setq gnus-tmp-new-adopts (if (cdar thread)
4581 (append gnus-tmp-new-adopts
4583 gnus-tmp-new-adopts)
4585 gnus-tmp-header nil)
4586 (when (zerop gnus-tmp-level)
4587 (setq gnus-tmp-root-expunged t)))
4588 ;; Perhaps this article is to be marked as read?
4589 ((and gnus-summary-mark-below
4590 (< (or (cdr (assq number gnus-newsgroup-scored))
4592 gnus-summary-mark-below)
4593 ;; Don't touch sparse articles.
4594 (not (gnus-summary-article-sparse-p number))
4595 (not (gnus-summary-article-ancient-p number)))
4596 (setq gnus-newsgroup-unreads
4597 (delq number gnus-newsgroup-unreads))
4598 (if gnus-newsgroup-auto-expire
4599 (setq gnus-newsgroup-expirable
4600 (gnus-add-to-sorted-list
4601 gnus-newsgroup-expirable number))
4602 (push (cons number gnus-low-score-mark)
4603 gnus-newsgroup-reads))))
4605 (when gnus-tmp-header
4606 ;; We may have an old dummy line to output before this
4608 (when (and gnus-tmp-dummy-line
4611 (mail-header-subject gnus-tmp-header)))
4612 (gnus-summary-insert-dummy-line
4613 gnus-tmp-dummy-line (mail-header-number gnus-tmp-header))
4614 (setq gnus-tmp-dummy-line nil))
4616 ;; Compute the mark.
4617 (setq gnus-tmp-unread (gnus-article-mark number))
4619 (push (gnus-data-make number gnus-tmp-unread (1+ (point))
4620 gnus-tmp-header gnus-tmp-level)
4621 gnus-newsgroup-data)
4623 ;; Actually insert the line.
4625 gnus-tmp-subject-or-nil
4627 ((and gnus-thread-ignore-subject
4628 gnus-tmp-prev-subject
4629 (not (string= gnus-tmp-prev-subject simp-subject)))
4631 ((zerop gnus-tmp-level)
4632 (if (and (eq gnus-summary-make-false-root 'empty)
4633 (memq number gnus-tmp-gathered)
4634 gnus-tmp-prev-subject
4635 (string= gnus-tmp-prev-subject simp-subject))
4636 gnus-summary-same-subject
4638 (t gnus-summary-same-subject)))
4639 (if (and (eq gnus-summary-make-false-root 'adopt)
4640 (= gnus-tmp-level 1)
4641 (memq number gnus-tmp-gathered))
4642 (setq gnus-tmp-opening-bracket ?\<
4643 gnus-tmp-closing-bracket ?\>)
4644 (setq gnus-tmp-opening-bracket ?\[
4645 gnus-tmp-closing-bracket ?\]))
4647 gnus-tmp-indentation
4648 (aref gnus-thread-indent-array gnus-tmp-level)
4649 gnus-tmp-lines (mail-header-lines gnus-tmp-header)
4650 gnus-tmp-score (or (cdr (assq number gnus-newsgroup-scored))
4651 gnus-summary-default-score 0)
4653 (if (or (null gnus-summary-default-score)
4654 (<= (abs (- gnus-tmp-score gnus-summary-default-score))
4655 gnus-summary-zcore-fuzz))
4657 (if (< gnus-tmp-score gnus-summary-default-score)
4658 gnus-score-below-mark gnus-score-over-mark))
4660 (cond ((memq number gnus-newsgroup-processable)
4662 ((memq number gnus-newsgroup-cached)
4664 ((memq number gnus-newsgroup-replied)
4666 ((memq number gnus-newsgroup-forwarded)
4667 gnus-forwarded-mark)
4668 ((memq number gnus-newsgroup-saved)
4670 ((memq number gnus-newsgroup-recent)
4672 ((memq number gnus-newsgroup-unseen)
4675 gnus-tmp-from (mail-header-from gnus-tmp-header)
4678 ((string-match "<[^>]+> *$" gnus-tmp-from)
4679 (setq beg-match (match-beginning 0))
4680 (or (and (string-match "^\".+\"" gnus-tmp-from)
4681 (substring gnus-tmp-from 1 (1- (match-end 0))))
4682 (substring gnus-tmp-from 0 beg-match)))
4683 ((string-match "(.+)" gnus-tmp-from)
4684 (substring gnus-tmp-from
4685 (1+ (match-beginning 0)) (1- (match-end 0))))
4687 gnus-tmp-thread-tree-header-string
4689 ((not gnus-show-threads) "")
4690 ((zerop gnus-tmp-level)
4692 (or gnus-sum-thread-tree-root subject)
4693 (or gnus-sum-thread-tree-single-indent subject)))
4695 (concat (apply 'concat
4696 (mapcar (lambda (item)
4698 gnus-sum-thread-tree-vertical
4699 gnus-sum-thread-tree-indent))
4700 (cdr (reverse tree-stack))))
4702 gnus-sum-thread-tree-leaf-with-other
4703 gnus-sum-thread-tree-single-leaf)))))
4704 (when (string= gnus-tmp-name "")
4705 (setq gnus-tmp-name gnus-tmp-from))
4706 (unless (numberp gnus-tmp-lines)
4707 (setq gnus-tmp-lines -1))
4708 (if (= gnus-tmp-lines -1)
4709 (setq gnus-tmp-lines "?")
4710 (setq gnus-tmp-lines (number-to-string gnus-tmp-lines)))
4711 (gnus-put-text-property
4713 (progn (eval gnus-summary-line-format-spec) (point))
4714 'gnus-number number)
4717 (gnus-run-hooks 'gnus-summary-update-hook)
4720 (setq gnus-tmp-prev-subject simp-subject)))
4722 (when (nth 1 thread)
4723 (push (list (max 0 gnus-tmp-level)
4724 (copy-list tree-stack)
4727 (push (if (nth 1 thread) 1 0) tree-stack)
4728 (incf gnus-tmp-level)
4729 (setq threads (if thread-end nil (cdar thread)))
4731 (setq gnus-tmp-level 0)))))
4732 (gnus-message 7 "Generating summary...done"))
4734 (defun gnus-summary-prepare-unthreaded (headers)
4735 "Generate an unthreaded summary buffer based on HEADERS."
4736 (let (header number mark)
4741 ;; We may have to root out some bad articles...
4742 (when (memq (setq number (mail-header-number
4743 (setq header (pop headers))))
4744 gnus-newsgroup-limit)
4745 ;; Mark article as read when it has a low score.
4746 (when (and gnus-summary-mark-below
4747 (< (or (cdr (assq number gnus-newsgroup-scored))
4748 gnus-summary-default-score 0)
4749 gnus-summary-mark-below)
4750 (not (gnus-summary-article-ancient-p number)))
4751 (setq gnus-newsgroup-unreads
4752 (delq number gnus-newsgroup-unreads))
4753 (if gnus-newsgroup-auto-expire
4754 (push number gnus-newsgroup-expirable)
4755 (push (cons number gnus-low-score-mark)
4756 gnus-newsgroup-reads)))
4758 (setq mark (gnus-article-mark number))
4759 (push (gnus-data-make number mark (1+ (point)) header 0)
4760 gnus-newsgroup-data)
4761 (gnus-summary-insert-line
4763 mark (memq number gnus-newsgroup-replied)
4764 (memq number gnus-newsgroup-expirable)
4765 (mail-header-subject header) nil
4766 (cdr (assq number gnus-newsgroup-scored))
4767 (memq number gnus-newsgroup-processable))))))
4769 (defun gnus-summary-remove-list-identifiers ()
4770 "Remove list identifiers in `gnus-list-identifiers' from articles in the current group."
4771 (let ((regexp (if (consp gnus-list-identifiers)
4772 (mapconcat 'identity gnus-list-identifiers " *\\|")
4773 gnus-list-identifiers))
4776 (dolist (header gnus-newsgroup-headers)
4777 (setq subject (mail-header-subject header)
4779 (while (string-match
4780 (concat "^\\(R[Ee]: +\\)*\\(" regexp " *\\)")
4783 (concat (substring subject 0 (match-beginning 2))
4784 (substring subject (match-end 0)))
4788 "^\\(\\(R[Ee]: +\\)+\\)R[Ee]: +" subject))
4790 (concat (substring subject 0 (match-beginning 1))
4791 (substring subject (match-end 1)))))
4793 (mail-header-set-subject header subject))))))
4795 (defun gnus-fetch-headers (articles)
4796 "Fetch headers of ARTICLES."
4797 (let ((name (gnus-group-decoded-name gnus-newsgroup-name)))
4798 (gnus-message 5 "Fetching headers for %s..." name)
4801 (setq gnus-headers-retrieved-by
4802 (gnus-retrieve-headers
4803 articles gnus-newsgroup-name
4804 ;; We might want to fetch old headers, but
4805 ;; not if there is only 1 article.
4807 (not (eq gnus-fetch-old-headers 'some))
4808 (not (numberp gnus-fetch-old-headers)))
4809 (> (length articles) 1))
4810 gnus-fetch-old-headers))))
4811 (gnus-get-newsgroup-headers-xover
4812 articles nil nil gnus-newsgroup-name t)
4813 (gnus-get-newsgroup-headers))
4814 (gnus-message 5 "Fetching headers for %s...done" name))))
4816 (defun gnus-select-newsgroup (group &optional read-all select-articles)
4817 "Select newsgroup GROUP.
4818 If READ-ALL is non-nil, all articles in the group are selected.
4819 If SELECT-ARTICLES, only select those articles from GROUP."
4820 (let* ((entry (gnus-gethash group gnus-newsrc-hashtb))
4821 ;;!!! Dirty hack; should be removed.
4822 (gnus-summary-ignore-duplicates
4823 (if (eq (car (gnus-find-method-for-group group)) 'nnvirtual)
4825 gnus-summary-ignore-duplicates))
4826 (info (nth 2 entry))
4827 articles fetched-articles cached)
4829 (unless (gnus-check-server
4830 (set (make-local-variable 'gnus-current-select-method)
4831 (gnus-find-method-for-group group)))
4832 (error "Couldn't open server"))
4834 (or (and entry (not (eq (car entry) t))) ; Either it's active...
4835 (gnus-activate-group group) ; Or we can activate it...
4836 (progn ; Or we bug out.
4837 (when (equal major-mode 'gnus-summary-mode)
4838 (kill-buffer (current-buffer)))
4839 (error "Couldn't activate group %s: %s"
4840 group (gnus-status-message group))))
4842 (unless (gnus-request-group group t)
4843 (when (equal major-mode 'gnus-summary-mode)
4844 (kill-buffer (current-buffer)))
4845 (error "Couldn't request group %s: %s"
4846 group (gnus-status-message group)))
4848 (setq gnus-newsgroup-name group
4849 gnus-newsgroup-unselected nil
4850 gnus-newsgroup-unreads (gnus-list-of-unread-articles group))
4852 (let ((display (gnus-group-find-parameter group 'display)))
4853 (setq gnus-newsgroup-display
4855 ((not (zerop (or (car-safe read-all) 0)))
4856 ;; The user entered the group with C-u SPC/RET, let's show
4862 (gnus-summary-display-make-predicate (mapcar 'identity display)))
4864 ;; The following is probably the "correct" solution, but
4865 ;; it makes Gnus fetch all headers and then limit the
4866 ;; articles (which is slow), so instead we hack the
4867 ;; select-articles parameter instead. -- Simon Josefsson
4870 ;; (gnus-byte-compile
4871 ;; `(lambda () (> number ,(- (cdr (gnus-active group))
4873 (setq select-articles
4874 (gnus-uncompress-range
4875 (cons (let ((tmp (- (cdr (gnus-active group)) display)))
4879 (cdr (gnus-active group)))))
4884 (gnus-summary-setup-default-charset)
4886 ;; Kludge to avoid having cached articles nixed out in virtual groups.
4887 (when (gnus-virtual-group-p group)
4888 (setq cached gnus-newsgroup-cached))
4890 (setq gnus-newsgroup-unreads
4891 (gnus-sorted-ndifference
4892 (gnus-sorted-ndifference gnus-newsgroup-unreads
4893 gnus-newsgroup-marked)
4894 gnus-newsgroup-dormant))
4896 (setq gnus-newsgroup-processable nil)
4898 (gnus-update-read-articles group gnus-newsgroup-unreads)
4900 ;; Adjust and set lists of article marks.
4902 (gnus-adjust-marked-articles info))
4904 (if (setq articles select-articles)
4905 (setq gnus-newsgroup-unselected
4906 (gnus-sorted-difference gnus-newsgroup-unreads articles))
4907 (setq articles (gnus-articles-to-read group read-all)))
4911 ;;(gnus-message 3 "Couldn't select newsgroup -- no articles to display")
4913 ((eq articles 0) nil)
4915 ;; Init the dependencies hash table.
4916 (setq gnus-newsgroup-dependencies
4917 (gnus-make-hashtable (length articles)))
4918 (gnus-set-global-variables)
4919 ;; Retrieve the headers and read them in.
4920 (setq gnus-newsgroup-headers (gnus-fetch-headers articles))
4922 ;; Kludge to avoid having cached articles nixed out in virtual groups.
4924 (setq gnus-newsgroup-cached cached))
4926 ;; Suppress duplicates?
4927 (when gnus-suppress-duplicates
4928 (gnus-dup-suppress-articles))
4930 ;; Set the initial limit.
4931 (setq gnus-newsgroup-limit (copy-sequence articles))
4932 ;; Remove canceled articles from the list of unread articles.
4933 (setq fetched-articles
4934 (mapcar (lambda (headers) (mail-header-number headers))
4935 gnus-newsgroup-headers))
4936 (setq gnus-newsgroup-articles fetched-articles)
4937 (setq gnus-newsgroup-unreads
4938 (gnus-sorted-nintersection
4939 gnus-newsgroup-unreads fetched-articles))
4940 (gnus-compute-unseen-list)
4942 ;; Removed marked articles that do not exist.
4943 (gnus-update-missing-marks
4944 (gnus-sorted-difference articles fetched-articles))
4945 ;; We might want to build some more threads first.
4946 (when (and gnus-fetch-old-headers
4947 (eq gnus-headers-retrieved-by 'nov))
4948 (if (eq gnus-fetch-old-headers 'invisible)
4949 (gnus-build-all-threads)
4950 (gnus-build-old-threads)))
4951 ;; Let the Gnus agent mark articles as read.
4953 (gnus-agent-get-undownloaded-list))
4954 ;; Remove list identifiers from subject
4955 (when gnus-list-identifiers
4956 (gnus-summary-remove-list-identifiers))
4957 ;; Check whether auto-expire is to be done in this group.
4958 (setq gnus-newsgroup-auto-expire
4959 (gnus-group-auto-expirable-p group))
4960 ;; Set up the article buffer now, if necessary.
4961 (unless gnus-single-article-buffer
4962 (gnus-article-setup-buffer))
4963 ;; First and last article in this newsgroup.
4964 (when gnus-newsgroup-headers
4965 (setq gnus-newsgroup-begin
4966 (mail-header-number (car gnus-newsgroup-headers))
4969 (gnus-last-element gnus-newsgroup-headers))))
4970 ;; GROUP is successfully selected.
4971 (or gnus-newsgroup-headers t)))))
4973 (defun gnus-compute-unseen-list ()
4974 ;; The `seen' marks are treated specially.
4975 (if (not gnus-newsgroup-seen)
4976 (setq gnus-newsgroup-unseen gnus-newsgroup-articles)
4977 (setq gnus-newsgroup-unseen
4978 (gnus-inverse-list-range-intersection
4979 gnus-newsgroup-articles gnus-newsgroup-seen))))
4981 (defun gnus-summary-display-make-predicate (display)
4982 (require 'gnus-agent)
4983 (when (= (length display) 1)
4984 (setq display (car display)))
4985 (unless gnus-summary-display-cache
4986 (dolist (elem (append '((unread . unread)
4989 gnus-article-mark-lists))
4990 (push (cons (cdr elem)
4992 `(lambda () (gnus-article-marked-p ',(cdr elem)))))
4993 gnus-summary-display-cache)))
4994 (let ((gnus-category-predicate-alist gnus-summary-display-cache)
4995 (gnus-category-predicate-cache gnus-summary-display-cache))
4996 (gnus-get-predicate display)))
4998 ;; Uses the dynamically bound `number' variable.
5000 (defun gnus-article-marked-p (type &optional article)
5001 (let ((article (or article number)))
5004 (memq article gnus-newsgroup-marked))
5006 (memq article gnus-newsgroup-spam-marked))
5008 (memq article gnus-newsgroup-unsendable))
5009 ((eq type 'undownload)
5010 (memq article gnus-newsgroup-undownloaded))
5011 ((eq type 'download)
5012 (memq article gnus-newsgroup-downloadable))
5014 (memq article gnus-newsgroup-unreads))
5016 (memq article gnus-newsgroup-reads))
5018 (memq article gnus-newsgroup-dormant) )
5020 (memq article gnus-newsgroup-expirable))
5022 (memq article gnus-newsgroup-replied))
5024 (memq article gnus-newsgroup-killed))
5025 ((eq type 'bookmark)
5026 (assq article gnus-newsgroup-bookmarks))
5028 (assq article gnus-newsgroup-scored))
5030 (memq article gnus-newsgroup-saved))
5032 (memq article gnus-newsgroup-cached))
5034 (memq article gnus-newsgroup-forwarded))
5036 (not (memq article gnus-newsgroup-unseen)))
5038 (memq article gnus-newsgroup-recent))
5041 (defun gnus-articles-to-read (group &optional read-all)
5042 "Find out what articles the user wants to read."
5044 ;; Select all articles if `read-all' is non-nil, or if there
5045 ;; are no unread articles.
5047 (and (zerop (length gnus-newsgroup-marked))
5048 (zerop (length gnus-newsgroup-unreads)))
5049 ;; Fetch all if the predicate is non-nil.
5050 gnus-newsgroup-display)
5051 ;; We want to select the headers for all the articles in
5052 ;; the group, so we select either all the active
5053 ;; articles in the group, or (if that's nil), the
5054 ;; articles in the cache.
5056 (gnus-uncompress-range (gnus-active group))
5057 (gnus-cache-articles-in-group group))
5058 ;; Select only the "normal" subset of articles.
5060 (gnus-sorted-union gnus-newsgroup-dormant gnus-newsgroup-marked)
5061 gnus-newsgroup-unreads)))
5062 (scored-list (gnus-killed-articles gnus-newsgroup-killed articles))
5063 (scored (length scored-list))
5064 (number (length articles))
5065 (marked (+ (length gnus-newsgroup-marked)
5066 (length gnus-newsgroup-dormant)))
5071 ((numberp gnus-newsgroup-display)
5072 gnus-newsgroup-display)
5076 ((and (or (<= scored marked) (= scored number))
5077 (numberp gnus-large-newsgroup)
5078 (> number gnus-large-newsgroup))
5079 (let* ((cursor-in-echo-area nil)
5080 (initial (gnus-parameter-large-newsgroup-initial
5081 gnus-newsgroup-name))
5085 "How many articles from %s (%s %d): "
5087 (gnus-group-decoded-name gnus-newsgroup-name)
5089 (if initial "max" "default")
5092 (cons (number-to-string initial)
5094 (if (string-match "^[ \t]*$" input) number input)))
5095 ((and (> scored marked) (< scored number)
5096 (> (- scored number) 20))
5099 (format "%s %s (%d scored, %d total): "
5100 "How many articles from"
5101 (gnus-group-decoded-name group)
5103 (if (string-match "^[ \t]*$" input)
5107 (message "Quit getting the articles to read")
5109 (setq select (if (stringp select) (string-to-number select) select))
5110 (if (or (null select) (zerop select))
5112 (if (and (not (zerop scored)) (<= (abs select) scored))
5114 (setq articles (sort scored-list '<))
5115 (setq number (length articles)))
5116 (setq articles (copy-sequence articles)))
5118 (when (< (abs select) number)
5120 ;; Select the N oldest articles.
5121 (setcdr (nthcdr (1- (abs select)) articles) nil)
5122 ;; Select the N most recent articles.
5123 (setq articles (nthcdr (- number select) articles))))
5124 (setq gnus-newsgroup-unselected
5125 (gnus-sorted-difference gnus-newsgroup-unreads articles))
5126 (when gnus-alter-articles-to-read-function
5127 (setq gnus-newsgroup-unreads
5129 (funcall gnus-alter-articles-to-read-function
5130 gnus-newsgroup-name gnus-newsgroup-unreads)
5134 (defun gnus-killed-articles (killed articles)
5137 (when (inline (gnus-member-of-range (car articles) killed))
5138 (push (car articles) out))
5139 (setq articles (cdr articles)))
5142 (defun gnus-uncompress-marks (marks)
5143 "Uncompress the mark ranges in MARKS."
5144 (let ((uncompressed '(score bookmark))
5147 (if (memq (caar marks) uncompressed)
5148 (push (car marks) out)
5149 (push (cons (caar marks) (gnus-uncompress-range (cdar marks))) out))
5150 (setq marks (cdr marks)))
5153 (defun gnus-article-mark-to-type (mark)
5154 "Return the type of MARK."
5155 (or (cadr (assq mark gnus-article-special-mark-lists))
5158 (defun gnus-article-unpropagatable-p (mark)
5159 "Return whether MARK should be propagated to backend."
5160 (memq mark gnus-article-unpropagated-mark-lists))
5162 (defun gnus-adjust-marked-articles (info)
5163 "Set all article lists and remove all marks that are no longer valid."
5164 (let* ((marked-lists (gnus-info-marks info))
5165 (active (gnus-active (gnus-info-group info)))
5168 (types gnus-article-mark-lists)
5169 marks var articles article mark mark-type)
5171 (dolist (marks marked-lists)
5172 (setq mark (car marks)
5173 mark-type (gnus-article-mark-to-type mark)
5174 var (intern (format "gnus-newsgroup-%s" (car (rassq mark types)))))
5176 ;; We set the variable according to the type of the marks list,
5177 ;; and then adjust the marks to a subset of the active articles.
5179 ;; Adjust "simple" lists.
5180 ((eq mark-type 'list)
5181 (set var (setq articles (gnus-uncompress-range (cdr marks))))
5182 (when (memq mark '(tick dormant expire reply save))
5184 (when (or (< (setq article (pop articles)) min) (> article max))
5185 (set var (delq article (symbol-value var)))))))
5187 ((eq mark-type 'tuple)
5188 (set var (setq articles (cdr marks)))
5189 (when (not (listp (cdr (symbol-value var))))
5190 (set var (list (symbol-value var))))
5191 (when (not (listp (cdr articles)))
5192 (setq articles (list articles)))
5194 (when (or (not (consp (setq article (pop articles))))
5195 (< (car article) min)
5196 (> (car article) max))
5197 (set var (delq article (symbol-value var))))))
5198 ;; Adjust ranges (sloppily).
5199 ((eq mark-type 'range)
5202 ;; Fix the record for `seen' if it looks like (seen NUM1 . NUM2).
5203 ;; It should be (seen (NUM1 . NUM2)).
5204 (when (numberp (cddr marks))
5205 (setcdr marks (list (cdr marks))))
5206 (setq articles (cdr marks))
5207 (while (and articles
5208 (or (and (consp (car articles))
5209 (> min (cdar articles)))
5210 (and (numberp (car articles))
5211 (> min (car articles)))))
5213 (set var articles))))))))
5215 (defun gnus-update-missing-marks (missing)
5216 "Go through the list of MISSING articles and remove them from the mark lists."
5219 ;; Go through all types.
5220 (dolist (elem gnus-article-mark-lists)
5221 (when (eq (gnus-article-mark-to-type (cdr elem)) 'list)
5222 (setq var (intern (format "gnus-newsgroup-%s" (car elem))))
5223 (when (symbol-value var)
5224 ;; This list has articles. So we delete all missing
5225 ;; articles from it.
5228 (set var (delq (pop m) (symbol-value var))))))))))
5230 (defun gnus-update-marks ()
5231 "Enter the various lists of marked articles into the newsgroup info list."
5232 (let ((types gnus-article-mark-lists)
5233 (info (gnus-get-info gnus-newsgroup-name))
5234 type list newmarked symbol delta-marks)
5236 ;; Add all marks lists to the list of marks lists.
5237 (while (setq type (pop types))
5238 (setq list (symbol-value
5240 (intern (format "gnus-newsgroup-%s" (car type))))))
5243 ;; Get rid of the entries of the articles that have the
5245 (when (and (eq (cdr type) 'score)
5249 (prev (cons nil list))
5252 (if (or (not (consp (car arts)))
5253 (= (cdar arts) gnus-summary-default-score))
5254 (setcdr prev (cdr arts))
5256 (setq arts (cdr arts)))
5257 (setq list (cdr all)))))
5259 (when (eq (cdr type) 'seen)
5260 (setq list (gnus-range-add list gnus-newsgroup-unseen)))
5262 (when (eq (gnus-article-mark-to-type (cdr type)) 'list)
5263 (setq list (gnus-compress-sequence (set symbol (sort list '<)) t)))
5265 (when (and (gnus-check-backend-function
5266 'request-set-mark gnus-newsgroup-name)
5267 (not (gnus-article-unpropagatable-p (cdr type))))
5268 (let* ((old (cdr (assq (cdr type) (gnus-info-marks info))))
5269 (del (gnus-remove-from-range (gnus-copy-sequence old) list))
5270 (add (gnus-remove-from-range
5271 (gnus-copy-sequence list) old)))
5273 (push (list add 'add (list (cdr type))) delta-marks))
5275 (push (list del 'del (list (cdr type))) delta-marks))))
5278 (push (cons (cdr type) list) newmarked)))
5281 (unless (gnus-check-group gnus-newsgroup-name)
5282 (error "Can't open server for %s" gnus-newsgroup-name))
5283 (gnus-request-set-mark gnus-newsgroup-name delta-marks))
5285 ;; Enter these new marks into the info of the group.
5287 (setcar (nthcdr 3 info) newmarked)
5288 ;; Add the marks lists to the end of the info.
5290 (setcdr (nthcdr 2 info) (list newmarked))))
5292 ;; Cut off the end of the info if there's nothing else there.
5296 (when (nthcdr (decf i) info)
5297 (setcdr (nthcdr i info) nil)))))))
5299 (defun gnus-set-mode-line (where)
5300 "Set the mode line of the article or summary buffers.
5301 If WHERE is `summary', the summary mode line format will be used."
5302 ;; Is this mode line one we keep updated?
5303 (when (and (memq where gnus-updated-mode-lines)
5305 (intern (format "gnus-%s-mode-line-format-spec" where))))
5308 ;; We evaluate this in the summary buffer since these
5309 ;; variables are buffer-local to that buffer.
5310 (set-buffer gnus-summary-buffer)
5311 ;; We bind all these variables that are used in the `eval' form
5313 (let* ((mformat (symbol-value
5315 (format "gnus-%s-mode-line-format-spec" where))))
5316 (gnus-tmp-group-name (gnus-group-decoded-name
5317 gnus-newsgroup-name))
5318 (gnus-tmp-article-number (or gnus-current-article 0))
5319 (gnus-tmp-unread gnus-newsgroup-unreads)
5320 (gnus-tmp-unread-and-unticked (length gnus-newsgroup-unreads))
5321 (gnus-tmp-unselected (length gnus-newsgroup-unselected))
5322 (gnus-tmp-unread-and-unselected
5323 (cond ((and (zerop gnus-tmp-unread-and-unticked)
5324 (zerop gnus-tmp-unselected))
5326 ((zerop gnus-tmp-unselected)
5327 (format "{%d more}" gnus-tmp-unread-and-unticked))
5328 (t (format "{%d(+%d) more}"
5329 gnus-tmp-unread-and-unticked
5330 gnus-tmp-unselected))))
5332 (if (and gnus-current-headers
5333 (vectorp gnus-current-headers))
5334 (gnus-mode-string-quote
5335 (mail-header-subject gnus-current-headers))
5337 bufname-length max-len
5338 gnus-tmp-header) ;; passed as argument to any user-format-funcs
5339 (setq mode-string (eval mformat))
5340 (setq bufname-length (if (string-match "%b" mode-string)
5343 (if (eq where 'summary)
5345 (get-buffer gnus-article-buffer))))
5348 (setq max-len (max 4 (if gnus-mode-non-string-length
5350 gnus-mode-non-string-length
5352 (length mode-string))))
5353 ;; We might have to chop a bit of the string off...
5354 (when (> (length mode-string) max-len)
5356 (concat (truncate-string-to-width mode-string (- max-len 3))
5358 ;; Pad the mode string a bit.
5359 (setq mode-string (format (format "%%-%ds" max-len) mode-string))))
5360 ;; Update the mode line.
5361 (setq mode-line-buffer-identification
5362 (gnus-mode-line-buffer-identification (list mode-string)))
5363 (set-buffer-modified-p t))))
5365 (defun gnus-create-xref-hashtb (from-newsgroup headers unreads)
5366 "Go through the HEADERS list and add all Xrefs to a hash table.
5367 The resulting hash table is returned, or nil if no Xrefs were found."
5368 (let* ((virtual (gnus-virtual-group-p from-newsgroup))
5369 (prefix (if virtual "" (gnus-group-real-prefix from-newsgroup)))
5370 (xref-hashtb (gnus-make-hashtable))
5371 start group entry number xrefs header)
5373 (setq header (pop headers))
5374 (when (and (setq xrefs (mail-header-xref header))
5375 (not (memq (setq number (mail-header-number header))
5378 (while (string-match "\\([^ ]+\\)[:/]\\([0-9]+\\)" xrefs start)
5379 (setq start (match-end 0))
5380 (setq group (if prefix
5381 (concat prefix (substring xrefs (match-beginning 1)
5383 (substring xrefs (match-beginning 1) (match-end 1))))
5385 (string-to-int (substring xrefs (match-beginning 2)
5387 (if (setq entry (gnus-gethash group xref-hashtb))
5388 (setcdr entry (cons number (cdr entry)))
5389 (gnus-sethash group (cons number nil) xref-hashtb)))))
5390 (and start xref-hashtb)))
5392 (defun gnus-mark-xrefs-as-read (from-newsgroup headers unreads)
5393 "Look through all the headers and mark the Xrefs as read."
5394 (let ((virtual (gnus-virtual-group-p from-newsgroup))
5395 name entry info xref-hashtb idlist method nth4)
5397 (set-buffer gnus-group-buffer)
5398 (when (setq xref-hashtb
5399 (gnus-create-xref-hashtb from-newsgroup headers unreads))
5402 (unless (string= from-newsgroup (setq name (symbol-name group)))
5403 (setq idlist (symbol-value group))
5404 ;; Dead groups are not updated.
5406 (setq entry (gnus-gethash name gnus-newsrc-hashtb)
5408 (when (stringp (setq nth4 (gnus-info-method info)))
5409 (setq nth4 (gnus-server-to-method nth4))))
5410 ;; Only do the xrefs if the group has the same
5411 ;; select method as the group we have just read.
5412 (or (gnus-methods-equal-p
5413 nth4 (gnus-find-method-for-group from-newsgroup))
5415 (equal nth4 (setq method (gnus-find-method-for-group
5417 (and (equal (car nth4) (car method))
5418 (equal (nth 1 nth4) (nth 1 method))))
5419 gnus-use-cross-reference
5420 (or (not (eq gnus-use-cross-reference t))
5422 ;; Only do cross-references on subscribed
5423 ;; groups, if that is what is wanted.
5424 (<= (gnus-info-level info) gnus-level-subscribed))
5425 (gnus-group-make-articles-read name idlist))))
5428 (defun gnus-compute-read-articles (group articles)
5429 (let* ((entry (gnus-gethash group gnus-newsrc-hashtb))
5430 (info (nth 2 entry))
5431 (active (gnus-active group))
5434 ;; First peel off all invalid article numbers.
5436 (let ((ids articles)
5438 (while (setq id (pop ids))
5439 (when (and first (> id (cdr active)))
5440 ;; We'll end up in this situation in one particular
5441 ;; obscure situation. If you re-scan a group and get
5442 ;; a new article that is cross-posted to a different
5443 ;; group that has not been re-scanned, you might get
5444 ;; crossposted article that has a higher number than
5445 ;; Gnus believes possible. So we re-activate this
5446 ;; group as well. This might mean doing the
5447 ;; crossposting thingy will *increase* the number
5448 ;; of articles in some groups. Tsk, tsk.
5449 (setq active (or (gnus-activate-group group) active)))
5450 (when (or (> id (cdr active))
5451 (< id (car active)))
5452 (setq articles (delq id articles))))))
5453 ;; If the read list is nil, we init it.
5455 (null (gnus-info-read info))
5457 (setq ninfo (cons 1 (1- (car active))))
5458 (setq ninfo (gnus-info-read info)))
5459 ;; Then we add the read articles to the range.
5461 ninfo (setq articles (sort articles '<))))))
5463 (defun gnus-group-make-articles-read (group articles)
5464 "Update the info of GROUP to say that ARTICLES are read."
5466 (entry (gnus-gethash group gnus-newsrc-hashtb))
5467 (info (nth 2 entry))
5468 (active (gnus-active group))
5471 (setq range (gnus-compute-read-articles group articles))
5473 (set-buffer gnus-group-buffer)
5476 (gnus-info-set-marks ',info ',(gnus-info-marks info) t)
5477 (gnus-info-set-read ',info ',(gnus-info-read info))
5478 (gnus-get-unread-articles-in-group ',info (gnus-active ,group))
5479 (gnus-request-set-mark ,group (list (list ',range 'del '(read))))
5480 (gnus-group-update-group ,group t))))
5481 ;; Add the read articles to the range.
5482 (gnus-info-set-read info range)
5483 (gnus-request-set-mark group (list (list range 'add '(read))))
5484 ;; Then we have to re-compute how many unread
5485 ;; articles there are in this group.
5489 (setq num (- (1+ (cdr active)) (car active))))
5490 ((not (listp (cdr range)))
5491 (setq num (- (cdr active) (- (1+ (cdr range))
5495 (if (numberp (car range))
5497 (setq num (+ num (- (1+ (cdar range)) (caar range)))))
5498 (setq range (cdr range)))
5499 (setq num (- (cdr active) num))))
5500 ;; Update the number of unread articles.
5502 ;; Update the group buffer.
5503 (gnus-group-update-group group t)))))
5505 (defvar gnus-newsgroup-none-id 0)
5507 (defun gnus-get-newsgroup-headers (&optional dependencies force-new)
5508 (let ((cur nntp-server-buffer)
5511 (save-excursion (set-buffer gnus-summary-buffer)
5512 gnus-newsgroup-dependencies)))
5514 (mail-parse-charset gnus-newsgroup-charset)
5515 (mail-parse-ignored-charsets
5516 (save-excursion (condition-case nil
5517 (set-buffer gnus-summary-buffer)
5519 gnus-newsgroup-ignored-charsets)))
5521 (set-buffer nntp-server-buffer)
5522 ;; Translate all TAB characters into SPACE characters.
5523 (subst-char-in-region (point-min) (point-max) ?\t ? t)
5524 (subst-char-in-region (point-min) (point-max) ?\r ? t)
5525 (gnus-run-hooks 'gnus-parse-headers-hook)
5526 (let ((case-fold-search t)
5527 in-reply-to header p lines chars)
5528 (goto-char (point-min))
5529 ;; Search to the beginning of the next header. Error messages
5530 ;; do not begin with 2 or 3.
5531 (while (re-search-forward "^[23][0-9]+ " nil t)
5534 ;; This implementation of this function, with nine
5535 ;; search-forwards instead of the one re-search-forward and
5536 ;; a case (which basically was the old function) is actually
5537 ;; about twice as fast, even though it looks messier. You
5538 ;; can't have everything, I guess. Speed and elegance
5539 ;; doesn't always go hand in hand.
5548 (narrow-to-region (point)
5549 (or (and (search-forward "\n.\n" nil t)
5555 (if (search-forward "\nsubject:" nil t)
5556 (funcall gnus-decode-encoded-word-function
5557 (nnheader-header-value))
5562 (if (search-forward "\nfrom:" nil t)
5563 (funcall gnus-decode-encoded-word-function
5564 (nnheader-header-value))
5569 (if (search-forward "\ndate:" nil t)
5570 (nnheader-header-value) ""))
5574 (setq id (if (re-search-forward
5575 "^message-id: *\\(<[^\n\t> ]+>\\)" nil t)
5576 ;; We do it this way to make sure the Message-ID
5577 ;; is (somewhat) syntactically valid.
5578 (buffer-substring (match-beginning 1)
5580 ;; If there was no message-id, we just fake one
5581 ;; to make subsequent routines simpler.
5582 (nnheader-generate-fake-message-id))))
5586 (if (search-forward "\nreferences:" nil t)
5590 (nnheader-header-value)
5595 (search-backward ">" end t)
5598 (search-backward "<" end t)
5600 ;; Get the references from the in-reply-to header if there
5601 ;; were no references and the in-reply-to header looks
5603 (if (and (search-forward "\nin-reply-to:" nil t)
5604 (setq in-reply-to (nnheader-header-value))
5605 (string-match "<[^>]+>" in-reply-to))
5607 (setq ref (substring in-reply-to (match-beginning 0)
5609 (while (string-match "<[^>]+>" in-reply-to (match-end 0))
5610 (setq ref2 (substring in-reply-to (match-beginning 0)
5612 (when (> (length ref2) (length ref))
5619 (if (search-forward "\nchars: " nil t)
5620 (if (numberp (setq chars (ignore-errors (read cur))))
5626 (if (search-forward "\nlines: " nil t)
5627 (if (numberp (setq lines (ignore-errors (read cur))))
5633 (and (search-forward "\nxref:" nil t)
5634 (nnheader-header-value)))
5636 (when gnus-extra-headers
5637 (let ((extra gnus-extra-headers)
5641 (when (search-forward
5642 (concat "\n" (symbol-name (car extra)) ":") nil t)
5643 (push (cons (car extra) (nnheader-header-value))
5647 (when (equal id ref)
5650 (when gnus-alter-header-function
5651 (funcall gnus-alter-header-function header)
5652 (setq id (mail-header-id header)
5653 ref (gnus-parent-id (mail-header-references header))))
5656 (gnus-dependencies-add-header
5657 header dependencies force-new))
5658 (push header headers))
5659 (goto-char (point-max))
5661 (nreverse headers)))))
5663 ;; Goes through the xover lines and returns a list of vectors
5664 (defun gnus-get-newsgroup-headers-xover (sequence &optional
5665 force-new dependencies
5666 group also-fetch-heads)
5667 "Parse the news overview data in the server buffer.
5668 Return a list of headers that match SEQUENCE (see
5669 `nntp-retrieve-headers')."
5670 ;; Get the Xref when the users reads the articles since most/some
5671 ;; NNTP servers do not include Xrefs when using XOVER.
5672 (setq gnus-article-internal-prepare-hook '(gnus-article-get-xrefs))
5673 (let ((mail-parse-charset gnus-newsgroup-charset)
5674 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets)
5675 (cur nntp-server-buffer)
5676 (dependencies (or dependencies gnus-newsgroup-dependencies))
5678 ((eq gnus-read-all-available-headers t)
5680 ((stringp gnus-read-all-available-headers)
5681 (string-match gnus-read-all-available-headers group))
5684 number headers header)
5686 (set-buffer nntp-server-buffer)
5687 (subst-char-in-region (point-min) (point-max) ?\r ? t)
5688 ;; Allow the user to mangle the headers before parsing them.
5689 (gnus-run-hooks 'gnus-parse-headers-hook)
5690 (goto-char (point-min))
5691 (gnus-parse-without-error
5692 (while (and (or sequence allp)
5694 (setq number (read cur))
5696 (while (and sequence
5697 (< (car sequence) number))
5698 (setq sequence (cdr sequence))))
5701 (eq number (car sequence))))
5703 (setq sequence (cdr sequence))
5704 (setq header (inline
5705 (gnus-nov-parse-line
5706 number dependencies force-new)))))
5707 (push header headers))
5709 ;; A common bug in inn is that if you have posted an article and
5710 ;; then retrieves the active file, it will answer correctly --
5711 ;; the new article is included. However, a NOV entry for the
5712 ;; article may not have been generated yet, so this may fail.
5713 ;; We work around this problem by retrieving the last few
5714 ;; headers using HEAD.
5715 (if (or (not also-fetch-heads)
5717 ;; We (probably) got all the headers.
5719 (let ((gnus-nov-is-evil t))
5722 (when (eq (gnus-retrieve-headers sequence group) 'headers)
5723 (gnus-get-newsgroup-headers))))))))
5725 (defun gnus-article-get-xrefs ()
5726 "Fill in the Xref value in `gnus-current-headers', if necessary.
5727 This is meant to be called in `gnus-article-internal-prepare-hook'."
5728 (let ((headers (save-excursion (set-buffer gnus-summary-buffer)
5729 gnus-current-headers)))
5730 (or (not gnus-use-cross-reference)
5732 (and (mail-header-xref headers)
5733 (not (string= (mail-header-xref headers) "")))
5734 (let ((case-fold-search t)
5737 (nnheader-narrow-to-headers)
5738 (goto-char (point-min))
5739 (when (or (and (not (eobp))
5740 (eq (downcase (char-after)) ?x)
5741 (looking-at "Xref:"))
5742 (search-forward "\nXref:" nil t))
5743 (goto-char (1+ (match-end 0)))
5744 (setq xref (buffer-substring (point)
5745 (progn (end-of-line) (point))))
5746 (mail-header-set-xref headers xref)))))))
5748 (defun gnus-summary-insert-subject (id &optional old-header use-old-header)
5749 "Find article ID and insert the summary line for that article.
5750 OLD-HEADER can either be a header or a line number to insert
5751 the subject line on."
5752 (let* ((line (and (numberp old-header) old-header))
5753 (old-header (and (vectorp old-header) old-header))
5754 (header (cond ((and old-header use-old-header)
5757 (gnus-number-to-header id))
5758 (gnus-number-to-header id))
5760 (gnus-read-header id))))
5761 (number (and (numberp id) id))
5764 ;; Rebuild the thread that this article is part of and go to the
5765 ;; article we have fetched.
5766 (when (and (not gnus-show-threads)
5769 (setq d (gnus-data-find (mail-header-number old-header))))
5770 (goto-char (gnus-data-pos d))
5773 (- (gnus-point-at-bol)
5775 (1+ (gnus-point-at-eol))
5776 (gnus-delete-line))))))
5778 (mail-header-set-number header (mail-header-number old-header)))
5779 (setq gnus-newsgroup-sparse
5780 (delq (setq number (mail-header-number header))
5781 gnus-newsgroup-sparse))
5782 (setq gnus-newsgroup-ancient (delq number gnus-newsgroup-ancient))
5783 (push number gnus-newsgroup-limit)
5784 (gnus-rebuild-thread (mail-header-id header) line)
5785 (gnus-summary-goto-subject number nil t))
5786 (when (and (numberp number)
5788 ;; We have to update the boundaries even if we can't fetch the
5789 ;; article if ID is a number -- so that the next `P' or `N'
5790 ;; command will fetch the previous (or next) article even
5791 ;; if the one we tried to fetch this time has been canceled.
5792 (when (> number gnus-newsgroup-end)
5793 (setq gnus-newsgroup-end number))
5794 (when (< number gnus-newsgroup-begin)
5795 (setq gnus-newsgroup-begin number))
5796 (setq gnus-newsgroup-unselected
5797 (delq number gnus-newsgroup-unselected)))
5798 ;; Report back a success?
5799 (and header (mail-header-number header))))
5801 ;;; Process/prefix in the summary buffer
5803 (defun gnus-summary-work-articles (n)
5804 "Return a list of articles to be worked upon.
5805 The prefix argument, the list of process marked articles, and the
5806 current article will be taken into consideration."
5808 (set-buffer gnus-summary-buffer)
5811 ;; A numerical prefix has been given.
5812 (setq n (prefix-numeric-value n))
5813 (let ((backward (< n 0))
5814 (n (abs (prefix-numeric-value n)))
5819 (push (setq article (gnus-summary-article-number))
5822 (gnus-summary-find-prev nil article)
5823 (gnus-summary-find-next nil article)))
5825 (nreverse articles)))
5826 ((and (gnus-region-active-p) (mark))
5827 (message "region active")
5828 ;; Work on the region between point and mark.
5829 (let ((max (max (point) (mark)))
5832 (goto-char (min (min (point) (mark))))
5835 (push (setq article (gnus-summary-article-number)) articles)
5836 (gnus-summary-find-next nil article)
5838 (nreverse articles))))
5839 (gnus-newsgroup-processable
5840 ;; There are process-marked articles present.
5841 ;; Save current state.
5842 (gnus-summary-save-process-mark)
5844 (reverse gnus-newsgroup-processable))
5846 ;; Just return the current article.
5847 (list (gnus-summary-article-number))))))
5849 (defmacro gnus-summary-iterate (arg &rest forms)
5850 "Iterate over the process/prefixed articles and do FORMS.
5851 ARG is the interactive prefix given to the command. FORMS will be
5852 executed with point over the summary line of the articles."
5853 (let ((articles (make-symbol "gnus-summary-iterate-articles")))
5854 `(let ((,articles (gnus-summary-work-articles ,arg)))
5856 (gnus-summary-goto-subject (car ,articles))
5860 (put 'gnus-summary-iterate 'lisp-indent-function 1)
5861 (put 'gnus-summary-iterate 'edebug-form-spec '(form body))
5863 (defun gnus-summary-save-process-mark ()
5864 "Push the current set of process marked articles on the stack."
5866 (push (copy-sequence gnus-newsgroup-processable)
5867 gnus-newsgroup-process-stack))
5869 (defun gnus-summary-kill-process-mark ()
5870 "Push the current set of process marked articles on the stack and unmark."
5872 (gnus-summary-save-process-mark)
5873 (gnus-summary-unmark-all-processable))
5875 (defun gnus-summary-yank-process-mark ()
5876 "Pop the last process mark state off the stack and restore it."
5878 (unless gnus-newsgroup-process-stack
5879 (error "Empty mark stack"))
5880 (gnus-summary-process-mark-set (pop gnus-newsgroup-process-stack)))
5882 (defun gnus-summary-process-mark-set (set)
5883 "Make SET into the current process marked articles."
5884 (gnus-summary-unmark-all-processable)
5886 (gnus-summary-set-process-mark (pop set))))
5888 ;;; Searching and stuff
5890 (defun gnus-summary-search-group (&optional backward use-level)
5891 "Search for next unread newsgroup.
5892 If optional argument BACKWARD is non-nil, search backward instead."
5894 (set-buffer gnus-group-buffer)
5895 (when (gnus-group-search-forward
5896 backward nil (if use-level (gnus-group-group-level) nil))
5897 (gnus-group-group-name))))
5899 (defun gnus-summary-best-group (&optional exclude-group)
5900 "Find the name of the best unread group.
5901 If EXCLUDE-GROUP, do not go to this group."
5903 (set-buffer gnus-group-buffer)
5905 (gnus-group-best-unread-group exclude-group))))
5907 (defun gnus-summary-find-next (&optional unread article backward undownloaded)
5908 (if backward (gnus-summary-find-prev)
5909 (let* ((dummy (gnus-summary-article-intangible-p))
5910 (article (or article (gnus-summary-article-number)))
5911 (arts (gnus-data-find-list article))
5913 (when (and (not dummy)
5914 (or (not gnus-summary-check-current)
5916 (not (gnus-data-unread-p (car arts)))))
5917 (setq arts (cdr arts)))
5922 (when (or (and undownloaded
5923 (eq gnus-undownloaded-mark
5924 (gnus-data-mark (car arts))))
5925 (gnus-data-unread-p (car arts)))
5926 (setq result (car arts)
5928 (setq arts (cdr arts)))
5931 (goto-char (gnus-data-pos result))
5932 (gnus-data-number result)))))
5934 (defun gnus-summary-find-prev (&optional unread article)
5935 (let* ((eobp (eobp))
5936 (article (or article (gnus-summary-article-number)))
5937 (arts (gnus-data-find-list article (gnus-data-list 'rev)))
5939 (when (and (not eobp)
5940 (or (not gnus-summary-check-current)
5942 (not (gnus-data-unread-p (car arts)))))
5943 (setq arts (cdr arts)))
5948 (when (gnus-data-unread-p (car arts))
5949 (setq result (car arts)
5951 (setq arts (cdr arts)))
5954 (goto-char (gnus-data-pos result))
5955 (gnus-data-number result))))
5957 (defun gnus-summary-find-subject (subject &optional unread backward article)
5958 (let* ((simp-subject (gnus-simplify-subject-fully subject))
5959 (article (or article (gnus-summary-article-number)))
5960 (articles (gnus-data-list backward))
5961 (arts (gnus-data-find-list article articles))
5963 (when (or (not gnus-summary-check-current)
5965 (not (gnus-data-unread-p (car arts))))
5966 (setq arts (cdr arts)))
5968 (and (or (not unread)
5969 (gnus-data-unread-p (car arts)))
5970 (vectorp (gnus-data-header (car arts)))
5972 simp-subject (mail-header-subject (gnus-data-header (car arts))) t)
5973 (setq result (car arts)
5975 (setq arts (cdr arts)))
5977 (goto-char (gnus-data-pos result))
5978 (gnus-data-number result))))
5980 (defun gnus-summary-search-forward (&optional unread subject backward)
5981 "Search forward for an article.
5982 If UNREAD, look for unread articles. If SUBJECT, look for
5983 articles with that subject. If BACKWARD, search backward instead."
5984 (cond (subject (gnus-summary-find-subject subject unread backward))
5985 (backward (gnus-summary-find-prev unread))
5986 (t (gnus-summary-find-next unread))))
5988 (defun gnus-recenter (&optional n)
5989 "Center point in window and redisplay frame.
5990 Also do horizontal recentering."
5992 (when (and gnus-auto-center-summary
5993 (not (eq gnus-auto-center-summary 'vertical)))
5994 (gnus-horizontal-recenter))
5997 (defun gnus-summary-recenter ()
5998 "Center point in the summary window.
5999 If `gnus-auto-center-summary' is nil, or the article buffer isn't
6000 displayed, no centering will be performed."
6001 ;; Suggested by earle@mahendo.JPL.NASA.GOV (Greg Earle).
6002 ;; Recenter only when requested. Suggested by popovich@park.cs.columbia.edu.
6004 (let* ((top (cond ((< (window-height) 4) 0)
6005 ((< (window-height) 7) 1)
6006 (t (if (numberp gnus-auto-center-summary)
6007 gnus-auto-center-summary
6009 (height (1- (window-height)))
6010 (bottom (save-excursion (goto-char (point-max))
6011 (forward-line (- height))
6013 (window (get-buffer-window (current-buffer))))
6014 ;; The user has to want it.
6015 (when gnus-auto-center-summary
6016 (when (get-buffer-window gnus-article-buffer)
6017 ;; Only do recentering when the article buffer is displayed,
6018 ;; Set the window start to either `bottom', which is the biggest
6019 ;; possible valid number, or the second line from the top,
6020 ;; whichever is the least.
6021 (let ((top-pos (save-excursion (forward-line (- top)) (point))))
6022 (if (> bottom top-pos)
6023 ;; Keep the second line from the top visible
6024 (set-window-start window top-pos t)
6025 ;; Try to keep the bottom line visible; if it's partially
6026 ;; obscured, either scroll one more line to make it fully
6027 ;; visible, or revert to using TOP-POS.
6029 (goto-char (point-max))
6031 (let ((last-line-start (point)))
6033 (set-window-start window (point) t)
6034 (when (not (pos-visible-in-window-p last-line-start window))
6036 (set-window-start window (min (point) top-pos) t)))))))
6037 ;; Do horizontal recentering while we're at it.
6038 (when (and (get-buffer-window (current-buffer) t)
6039 (not (eq gnus-auto-center-summary 'vertical)))
6040 (let ((selected (selected-window)))
6041 (select-window (get-buffer-window (current-buffer) t))
6042 (gnus-summary-position-point)
6043 (gnus-horizontal-recenter)
6044 (select-window selected))))))
6046 (defun gnus-summary-jump-to-group (newsgroup)
6047 "Move point to NEWSGROUP in group mode buffer."
6048 ;; Keep update point of group mode buffer if visible.
6049 (if (eq (current-buffer) (get-buffer gnus-group-buffer))
6050 (save-window-excursion
6051 ;; Take care of tree window mode.
6052 (when (get-buffer-window gnus-group-buffer)
6053 (pop-to-buffer gnus-group-buffer))
6054 (gnus-group-jump-to-group newsgroup))
6056 ;; Take care of tree window mode.
6057 (if (get-buffer-window gnus-group-buffer)
6058 (pop-to-buffer gnus-group-buffer)
6059 (set-buffer gnus-group-buffer))
6060 (gnus-group-jump-to-group newsgroup))))
6062 ;; This function returns a list of article numbers based on the
6063 ;; difference between the ranges of read articles in this group and
6064 ;; the range of active articles.
6065 (defun gnus-list-of-unread-articles (group)
6066 (let* ((read (gnus-info-read (gnus-get-info group)))
6067 (active (or (gnus-active group) (gnus-activate-group group)))
6070 ;; If none are read, then all are unread.
6072 (setq first (car active))
6073 ;; If the range of read articles is a single range, then the
6074 ;; first unread article is the article after the last read
6075 ;; article. Sounds logical, doesn't it?
6076 (if (and (not (listp (cdr read)))
6077 (or (< (car read) (car active))
6078 (progn (setq read (list read))
6080 (setq first (max (car active) (1+ (cdr read))))
6081 ;; `read' is a list of ranges.
6082 (when (/= (setq nlast (or (and (numberp (car read)) (car read))
6085 (setq first (car active)))
6088 (while (< first nlast)
6090 (setq first (1+ first))))
6091 (setq first (1+ (if (atom (car read)) (car read) (cdar read))))
6092 (setq nlast (if (atom (cadr read)) (cadr read) (caadr read)))
6093 (setq read (cdr read)))))
6094 ;; And add the last unread articles.
6095 (while (<= first last)
6097 (setq first (1+ first)))
6098 ;; Return the list of unread articles.
6099 (delq 0 (nreverse unread))))
6101 (defun gnus-list-of-read-articles (group)
6102 "Return a list of unread, unticked and non-dormant articles."
6103 (let* ((info (gnus-get-info group))
6104 (marked (gnus-info-marks info))
6105 (active (gnus-active group)))
6107 (gnus-list-range-difference
6108 (gnus-list-range-difference
6109 (gnus-sorted-complement
6110 (gnus-uncompress-range active)
6111 (gnus-list-of-unread-articles group))
6112 (cdr (assq 'dormant marked)))
6113 (cdr (assq 'tick marked))))))
6115 ;; Various summary commands
6117 (defun gnus-summary-select-article-buffer ()
6118 "Reconfigure windows to show article buffer."
6120 (if (not (gnus-buffer-live-p gnus-article-buffer))
6121 (error "There is no article buffer for this summary buffer")
6122 (gnus-configure-windows 'article)
6123 (select-window (get-buffer-window gnus-article-buffer))))
6125 (defun gnus-summary-universal-argument (arg)
6126 "Perform any operation on all articles that are process/prefixed."
6128 (let ((articles (gnus-summary-work-articles arg))
6135 (substitute-command-keys
6136 "\\<gnus-summary-mode-map>\\[gnus-summary-universal-argument]"))))
6138 (gnus-error 1 "Undefined key")
6141 (gnus-summary-goto-subject (setq article (pop articles)))
6142 (let (gnus-newsgroup-processable)
6143 (command-execute func))
6144 (gnus-summary-remove-process-mark article)))))
6145 (gnus-summary-position-point))
6147 (defun gnus-summary-toggle-truncation (&optional arg)
6148 "Toggle truncation of summary lines.
6149 With arg, turn line truncation on iff arg is positive."
6151 (setq truncate-lines
6152 (if (null arg) (not truncate-lines)
6153 (> (prefix-numeric-value arg) 0)))
6156 (defun gnus-summary-reselect-current-group (&optional all rescan)
6157 "Exit and then reselect the current newsgroup.
6158 The prefix argument ALL means to select all articles."
6160 (when (gnus-ephemeral-group-p gnus-newsgroup-name)
6161 (error "Ephemeral groups can't be reselected"))
6162 (let ((current-subject (gnus-summary-article-number))
6163 (group gnus-newsgroup-name))
6164 (setq gnus-newsgroup-begin nil)
6166 ;; We have to adjust the point of group mode buffer because
6167 ;; point was moved to the next unread newsgroup by exiting.
6168 (gnus-summary-jump-to-group group)
6171 (gnus-group-get-new-news-this-group 1)))
6172 (gnus-group-read-group all t)
6173 (gnus-summary-goto-subject current-subject nil t)))
6175 (defun gnus-summary-rescan-group (&optional all)
6176 "Exit the newsgroup, ask for new articles, and select the newsgroup."
6178 (gnus-summary-reselect-current-group all t))
6180 (defun gnus-summary-update-info (&optional non-destructive)
6182 (let ((group gnus-newsgroup-name))
6184 (when gnus-newsgroup-kill-headers
6185 (setq gnus-newsgroup-killed
6186 (gnus-compress-sequence
6188 (gnus-list-range-intersection
6189 gnus-newsgroup-unselected gnus-newsgroup-killed)
6190 gnus-newsgroup-unreads)
6192 (unless (listp (cdr gnus-newsgroup-killed))
6193 (setq gnus-newsgroup-killed (list gnus-newsgroup-killed)))
6194 (let ((headers gnus-newsgroup-headers))
6195 ;; Set the new ranges of read articles.
6197 (set-buffer gnus-group-buffer)
6198 (gnus-undo-force-boundary))
6199 (gnus-update-read-articles
6200 group (gnus-sorted-union
6201 gnus-newsgroup-unreads gnus-newsgroup-unselected))
6202 ;; Set the current article marks.
6203 (let ((gnus-newsgroup-scored
6204 (if (and (not gnus-save-score)
6205 (not non-destructive))
6207 gnus-newsgroup-scored)))
6209 (gnus-update-marks)))
6210 ;; Do the cross-ref thing.
6211 (when gnus-use-cross-reference
6212 (gnus-mark-xrefs-as-read group headers gnus-newsgroup-unreads))
6213 ;; Do not switch windows but change the buffer to work.
6214 (set-buffer gnus-group-buffer)
6215 (unless (gnus-ephemeral-group-p group)
6216 (gnus-group-update-group group)))))))
6218 (defun gnus-summary-save-newsrc (&optional force)
6219 "Save the current number of read/marked articles in the dribble buffer.
6220 The dribble buffer will then be saved.
6221 If FORCE (the prefix), also save the .newsrc file(s)."
6223 (gnus-summary-update-info t)
6225 (gnus-save-newsrc-file)
6226 (gnus-dribble-save)))
6228 (defun gnus-summary-exit (&optional temporary)
6229 "Exit reading current newsgroup, and then return to group selection mode.
6230 `gnus-exit-group-hook' is called with no arguments if that value is non-nil."
6232 (gnus-set-global-variables)
6233 (when (gnus-buffer-live-p gnus-article-buffer)
6235 (set-buffer gnus-article-buffer)
6236 (mm-destroy-parts gnus-article-mime-handles)
6237 ;; Set it to nil for safety reason.
6238 (setq gnus-article-mime-handle-alist nil)
6239 (setq gnus-article-mime-handles nil)))
6240 (gnus-kill-save-kill-buffer)
6241 (gnus-async-halt-prefetch)
6242 (let* ((group gnus-newsgroup-name)
6243 (quit-config (gnus-group-quit-config gnus-newsgroup-name))
6246 (buf (current-buffer)))
6248 ;; Do adaptive scoring, and possibly save score files.
6249 (when gnus-newsgroup-adaptive
6250 (gnus-score-adaptive))
6251 (when gnus-use-scoring
6253 (gnus-run-hooks 'gnus-summary-prepare-exit-hook)
6254 ;; If we have several article buffers, we kill them at exit.
6255 (unless gnus-single-article-buffer
6256 (gnus-kill-buffer gnus-original-article-buffer)
6257 (setq gnus-article-current nil))
6258 (when gnus-use-cache
6259 (gnus-cache-possibly-remove-articles)
6260 (gnus-cache-save-buffers))
6261 (gnus-async-prefetch-remove-group group)
6262 (when gnus-suppress-duplicates
6263 (gnus-dup-enter-articles))
6264 (when gnus-use-trees
6265 (gnus-tree-close group))
6266 (when gnus-use-cache
6267 (gnus-cache-write-active))
6268 ;; Remove entries for this group.
6269 (nnmail-purge-split-history (gnus-group-real-name group))
6270 ;; Make all changes in this group permanent.
6272 (gnus-run-hooks 'gnus-exit-group-hook)
6273 (gnus-summary-update-info))
6274 (gnus-close-group group)
6275 ;; Make sure where we were, and go to next newsgroup.
6276 (set-buffer gnus-group-buffer)
6278 (gnus-group-jump-to-group group))
6279 (gnus-run-hooks 'gnus-summary-exit-hook)
6280 (unless (or quit-config
6281 ;; If this group has disappeared from the summary
6282 ;; buffer, don't skip forwards.
6283 (not (string= group (gnus-group-group-name))))
6284 (gnus-group-next-unread-group 1))
6285 (setq group-point (point))
6288 ;; If we have several article buffers, we kill them at exit.
6289 (unless gnus-single-article-buffer
6290 (gnus-kill-buffer gnus-article-buffer)
6291 (gnus-kill-buffer gnus-original-article-buffer)
6292 (setq gnus-article-current nil))
6294 (if (not gnus-kill-summary-on-exit)
6296 (gnus-deaden-summary)
6298 ;; We set all buffer-local variables to nil. It is unclear why
6299 ;; this is needed, but if we don't, buffer-local variables are
6300 ;; not garbage-collected, it seems. This would the lead to en
6301 ;; ever-growing Emacs.
6302 (gnus-summary-clear-local-variables)
6303 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
6304 (gnus-summary-clear-local-variables))
6305 (when (get-buffer gnus-article-buffer)
6306 (bury-buffer gnus-article-buffer))
6307 ;; We clear the global counterparts of the buffer-local
6308 ;; variables as well, just to be on the safe side.
6309 (set-buffer gnus-group-buffer)
6310 (gnus-summary-clear-local-variables)
6311 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
6312 (gnus-summary-clear-local-variables)))
6313 (setq gnus-current-select-method gnus-select-method)
6314 (pop-to-buffer gnus-group-buffer)
6315 (if (not quit-config)
6317 (goto-char group-point)
6318 (gnus-configure-windows 'group 'force))
6319 (gnus-handle-ephemeral-exit quit-config))
6320 ;; Return to group mode buffer.
6321 (when (eq mode 'gnus-summary-mode)
6322 (gnus-kill-buffer buf))
6323 ;; Clear the current group name.
6325 (setq gnus-newsgroup-name nil)))))
6327 (defalias 'gnus-summary-quit 'gnus-summary-exit-no-update)
6328 (defun gnus-summary-exit-no-update (&optional no-questions)
6329 "Quit reading current newsgroup without updating read article info."
6331 (let* ((group gnus-newsgroup-name)
6332 (quit-config (gnus-group-quit-config group)))
6333 (when (or no-questions
6335 (gnus-y-or-n-p "Discard changes to this group and exit? "))
6336 (gnus-async-halt-prefetch)
6338 (delq 'gnus-summary-expire-articles
6339 (copy-sequence gnus-summary-prepare-exit-hook)))
6340 (when (gnus-buffer-live-p gnus-article-buffer)
6342 (set-buffer gnus-article-buffer)
6343 (mm-destroy-parts gnus-article-mime-handles)
6344 ;; Set it to nil for safety reason.
6345 (setq gnus-article-mime-handle-alist nil)
6346 (setq gnus-article-mime-handles nil)))
6347 ;; If we have several article buffers, we kill them at exit.
6348 (unless gnus-single-article-buffer
6349 (gnus-kill-buffer gnus-article-buffer)
6350 (gnus-kill-buffer gnus-original-article-buffer)
6351 (setq gnus-article-current nil))
6352 (if (not gnus-kill-summary-on-exit)
6353 (gnus-deaden-summary)
6354 (gnus-close-group group)
6355 (gnus-summary-clear-local-variables)
6356 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
6357 (gnus-summary-clear-local-variables))
6358 (set-buffer gnus-group-buffer)
6359 (gnus-summary-clear-local-variables)
6360 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
6361 (gnus-summary-clear-local-variables))
6362 (when (get-buffer gnus-summary-buffer)
6363 (kill-buffer gnus-summary-buffer)))
6364 (unless gnus-single-article-buffer
6365 (setq gnus-article-current nil))
6366 (when gnus-use-trees
6367 (gnus-tree-close group))
6368 (gnus-async-prefetch-remove-group group)
6369 (when (get-buffer gnus-article-buffer)
6370 (bury-buffer gnus-article-buffer))
6371 ;; Return to the group buffer.
6372 (gnus-configure-windows 'group 'force)
6373 ;; Clear the current group name.
6374 (setq gnus-newsgroup-name nil)
6375 (when (equal (gnus-group-group-name) group)
6376 (gnus-group-next-unread-group 1))
6378 (gnus-handle-ephemeral-exit quit-config)))))
6380 (defun gnus-handle-ephemeral-exit (quit-config)
6381 "Handle movement when leaving an ephemeral group.
6382 The state which existed when entering the ephemeral is reset."
6383 (if (not (buffer-name (car quit-config)))
6384 (gnus-configure-windows 'group 'force)
6385 (set-buffer (car quit-config))
6386 (cond ((eq major-mode 'gnus-summary-mode)
6387 (gnus-set-global-variables))
6388 ((eq major-mode 'gnus-article-mode)
6390 ;; The `gnus-summary-buffer' variable may point
6391 ;; to the old summary buffer when using a single
6393 (unless (gnus-buffer-live-p gnus-summary-buffer)
6394 (set-buffer gnus-group-buffer))
6395 (set-buffer gnus-summary-buffer)
6396 (gnus-set-global-variables))))
6397 (if (or (eq (cdr quit-config) 'article)
6398 (eq (cdr quit-config) 'pick))
6400 ;; The current article may be from the ephemeral group
6401 ;; thus it is best that we reload this article
6402 (gnus-summary-show-article)
6403 (if (and (boundp 'gnus-pick-mode) (symbol-value 'gnus-pick-mode))
6404 (gnus-configure-windows 'pick 'force)
6405 (gnus-configure-windows (cdr quit-config) 'force)))
6406 (gnus-configure-windows (cdr quit-config) 'force))
6407 (when (eq major-mode 'gnus-summary-mode)
6408 (gnus-summary-next-subject 1 nil t)
6409 (gnus-summary-recenter)
6410 (gnus-summary-position-point))))
6414 (defvar gnus-dead-summary-mode-map nil)
6416 (unless gnus-dead-summary-mode-map
6417 (setq gnus-dead-summary-mode-map (make-keymap))
6418 (suppress-keymap gnus-dead-summary-mode-map)
6419 (substitute-key-definition
6420 'undefined 'gnus-summary-wake-up-the-dead gnus-dead-summary-mode-map)
6421 (dolist (key '("\C-d" "\r" "\177" [delete]))
6422 (define-key gnus-dead-summary-mode-map
6423 key 'gnus-summary-wake-up-the-dead))
6424 (dolist (key '("q" "Q"))
6425 (define-key gnus-dead-summary-mode-map key 'bury-buffer)))
6427 (defvar gnus-dead-summary-mode nil
6428 "Minor mode for Gnus summary buffers.")
6430 (defun gnus-dead-summary-mode (&optional arg)
6431 "Minor mode for Gnus summary buffers."
6433 (when (eq major-mode 'gnus-summary-mode)
6434 (make-local-variable 'gnus-dead-summary-mode)
6435 (setq gnus-dead-summary-mode
6436 (if (null arg) (not gnus-dead-summary-mode)
6437 (> (prefix-numeric-value arg) 0)))
6438 (when gnus-dead-summary-mode
6439 (gnus-add-minor-mode
6440 'gnus-dead-summary-mode " Dead" gnus-dead-summary-mode-map))))
6442 (defun gnus-deaden-summary ()
6443 "Make the current summary buffer into a dead summary buffer."
6444 ;; Kill any previous dead summary buffer.
6445 (when (and gnus-dead-summary
6446 (buffer-name gnus-dead-summary))
6448 (set-buffer gnus-dead-summary)
6449 (when gnus-dead-summary-mode
6450 (kill-buffer (current-buffer)))))
6451 ;; Make this the current dead summary.
6452 (setq gnus-dead-summary (current-buffer))
6453 (gnus-dead-summary-mode 1)
6454 (let ((name (buffer-name)))
6455 (when (string-match "Summary" name)
6457 (concat (substring name 0 (match-beginning 0)) "Dead "
6458 (substring name (match-beginning 0)))
6462 (defun gnus-kill-or-deaden-summary (buffer)
6463 "Kill or deaden the summary BUFFER."
6465 (when (and (buffer-name buffer)
6466 (not gnus-single-article-buffer))
6469 (gnus-kill-buffer gnus-article-buffer)
6470 (gnus-kill-buffer gnus-original-article-buffer)))
6473 (gnus-kill-summary-on-exit
6474 (when (and gnus-use-trees
6475 (gnus-buffer-exists-p buffer))
6478 (gnus-tree-close gnus-newsgroup-name)))
6479 (gnus-kill-buffer buffer))
6480 ;; Deaden the buffer.
6481 ((gnus-buffer-exists-p buffer)
6484 (gnus-deaden-summary))))))
6486 (defun gnus-summary-wake-up-the-dead (&rest args)
6487 "Wake up the dead summary buffer."
6489 (gnus-dead-summary-mode -1)
6490 (let ((name (buffer-name)))
6491 (when (string-match "Dead " name)
6493 (concat (substring name 0 (match-beginning 0))
6494 (substring name (match-end 0)))
6496 (gnus-message 3 "This dead summary is now alive again"))
6498 ;; Suggested by Andrew Eskilsson <pi92ae@pt.hk-r.se>.
6499 (defun gnus-summary-fetch-faq (&optional faq-dir)
6500 "Fetch the FAQ for the current group.
6501 If FAQ-DIR (the prefix), prompt for a directory to search for the faq
6505 (when current-prefix-arg
6507 "Faq dir: " (and (listp gnus-group-faq-directory)
6508 (mapcar (lambda (file) (list file))
6509 gnus-group-faq-directory))))))
6510 (let (gnus-faq-buffer)
6511 (when (setq gnus-faq-buffer
6512 (gnus-group-fetch-faq gnus-newsgroup-name faq-dir))
6513 (gnus-configure-windows 'summary-faq))))
6515 ;; Suggested by Per Abrahamsen <amanda@iesd.auc.dk>.
6516 (defun gnus-summary-describe-group (&optional force)
6517 "Describe the current newsgroup."
6519 (gnus-group-describe-group force gnus-newsgroup-name))
6521 (defun gnus-summary-describe-briefly ()
6522 "Describe summary mode commands briefly."
6524 (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")))
6526 ;; Walking around group mode buffer from summary mode.
6528 (defun gnus-summary-next-group (&optional no-article target-group backward)
6529 "Exit current newsgroup and then select next unread newsgroup.
6530 If prefix argument NO-ARTICLE is non-nil, no article is selected
6531 initially. If NEXT-GROUP, go to this group. If BACKWARD, go to
6532 previous group instead."
6534 ;; Stop pre-fetching.
6535 (gnus-async-halt-prefetch)
6536 (let ((current-group gnus-newsgroup-name)
6537 (current-buffer (current-buffer))
6539 (while (not entered)
6540 ;; Then we find what group we are supposed to enter.
6541 (set-buffer gnus-group-buffer)
6542 (gnus-group-jump-to-group current-group)
6545 (if (eq gnus-keep-same-level 'best)
6546 (gnus-summary-best-group gnus-newsgroup-name)
6547 (gnus-summary-search-group backward gnus-keep-same-level))))
6548 (if (not target-group)
6549 ;; There are no further groups, so we return to the group
6552 (gnus-message 5 "Returning to the group buffer")
6554 (when (gnus-buffer-live-p current-buffer)
6555 (set-buffer current-buffer)
6556 (gnus-summary-exit))
6557 (gnus-run-hooks 'gnus-group-no-more-groups-hook))
6558 ;; We try to enter the target group.
6559 (gnus-group-jump-to-group target-group)
6560 (let ((unreads (gnus-group-group-unread)))
6561 (if (and (or (eq t unreads)
6562 (and unreads (not (zerop unreads))))
6564 ;; Now we semi-exit this group to update Xrefs
6565 ;; and all variables. We can't do a real exit,
6566 ;; because the window conf must remain the same
6567 ;; in case the user is prompted for info, and we
6568 ;; don't want the window conf to change before
6570 (when (gnus-buffer-live-p current-buffer)
6571 (set-buffer current-buffer)
6572 (gnus-summary-exit t))
6573 (gnus-summary-read-group
6574 target-group nil no-article
6575 (and (buffer-name current-buffer) current-buffer)
6578 (setq current-group target-group
6579 target-group nil)))))))
6581 (defun gnus-summary-prev-group (&optional no-article)
6582 "Exit current newsgroup and then select previous unread newsgroup.
6583 If prefix argument NO-ARTICLE is non-nil, no article is selected initially."
6585 (gnus-summary-next-group no-article nil t))
6587 ;; Walking around summary lines.
6589 (defun gnus-summary-first-subject (&optional unread undownloaded unseen)
6590 "Go to the first unread subject.
6591 If UNREAD is non-nil, go to the first unread article.
6592 Returns the article selected or nil if there are no unread articles."
6597 ((null gnus-newsgroup-data)
6598 (gnus-message 3 "No articles in the group")
6600 ;; Pick the first article.
6602 (goto-char (gnus-data-pos (car gnus-newsgroup-data)))
6603 (gnus-data-number (car gnus-newsgroup-data)))
6604 ;; No unread articles.
6605 ((null gnus-newsgroup-unreads)
6606 (gnus-message 3 "No more unread articles")
6608 ;; Find the first unread article.
6610 (let ((data gnus-newsgroup-data))
6612 (and (not (and undownloaded
6613 (eq gnus-undownloaded-mark
6614 (gnus-data-mark (car data)))))
6617 (gnus-data-number (car data))
6618 gnus-newsgroup-unseen))
6619 (not (gnus-data-unread-p (car data))))
6620 (not (gnus-data-unread-p (car data))))))
6621 (setq data (cdr data)))
6623 (goto-char (gnus-data-pos (car data)))
6624 (gnus-data-number (car data))))))
6625 (gnus-summary-position-point)))
6627 (defun gnus-summary-next-subject (n &optional unread dont-display)
6628 "Go to next N'th summary line.
6629 If N is negative, go to the previous N'th subject line.
6630 If UNREAD is non-nil, only unread articles are selected.
6631 The difference between N and the actual number of steps taken is
6634 (let ((backward (< n 0))
6638 (gnus-summary-find-prev unread)
6639 (gnus-summary-find-next unread)))
6640 (unless (zerop (setq n (1- n)))
6641 (gnus-summary-show-thread)))
6643 (gnus-message 7 "No more%s articles"
6644 (if unread " unread" "")))
6645 (unless dont-display
6646 (gnus-summary-recenter)
6647 (gnus-summary-position-point))
6650 (defun gnus-summary-next-unread-subject (n)
6651 "Go to next N'th unread summary line."
6653 (gnus-summary-next-subject n t))
6655 (defun gnus-summary-prev-subject (n &optional unread)
6656 "Go to previous N'th summary line.
6657 If optional argument UNREAD is non-nil, only unread article is selected."
6659 (gnus-summary-next-subject (- n) unread))
6661 (defun gnus-summary-prev-unread-subject (n)
6662 "Go to previous N'th unread summary line."
6664 (gnus-summary-next-subject (- n) t))
6666 (defun gnus-summary-goto-subject (article &optional force silent)
6667 "Go the subject line of ARTICLE.
6668 If FORCE, also allow jumping to articles not currently shown."
6669 (interactive "nArticle number: ")
6670 (unless (numberp article)
6671 (error "Article %s is not a number" article))
6673 (data (gnus-data-find article)))
6674 ;; We read in the article if we have to.
6677 (gnus-summary-insert-subject
6679 (if (or (numberp force) (vectorp force)) force)
6681 (setq data (gnus-data-find article)))
6686 (gnus-message 3 "Can't find article %d" article))
6688 (let ((pt (gnus-data-pos data)))
6690 (gnus-summary-set-article-display-arrow pt))
6691 (gnus-summary-position-point)
6694 ;; Walking around summary lines with displaying articles.
6696 (defun gnus-summary-expand-window (&optional arg)
6697 "Make the summary buffer take up the entire Emacs frame.
6698 Given a prefix, will force an `article' buffer configuration."
6701 (gnus-configure-windows 'article 'force)
6702 (gnus-configure-windows 'summary 'force)))
6704 (defun gnus-summary-display-article (article &optional all-header)
6705 "Display ARTICLE in article buffer."
6706 (when (gnus-buffer-live-p gnus-article-buffer)
6707 (with-current-buffer gnus-article-buffer
6708 (mm-enable-multibyte)))
6709 (gnus-set-global-variables)
6710 (when (gnus-buffer-live-p gnus-article-buffer)
6711 (with-current-buffer gnus-article-buffer
6712 (setq gnus-article-charset gnus-newsgroup-charset)
6713 (setq gnus-article-ignored-charsets gnus-newsgroup-ignored-charsets)
6714 (mm-enable-multibyte)))
6718 (if gnus-summary-display-article-function
6719 (funcall gnus-summary-display-article-function article all-header)
6720 (gnus-article-prepare article all-header))
6721 (gnus-run-hooks 'gnus-select-article-hook)
6722 (when (and gnus-current-article
6723 (not (zerop gnus-current-article)))
6724 (gnus-summary-goto-subject gnus-current-article))
6725 (gnus-summary-recenter)
6726 (when (and gnus-use-trees gnus-show-threads)
6727 (gnus-possibly-generate-tree article)
6728 (gnus-highlight-selected-tree article))
6729 ;; Successfully display article.
6730 (gnus-article-set-window-start
6731 (cdr (assq article gnus-newsgroup-bookmarks))))))
6733 (defun gnus-summary-select-article (&optional all-headers force pseudo article)
6734 "Select the current article.
6735 If ALL-HEADERS is non-nil, show all header fields. If FORCE is
6736 non-nil, the article will be re-fetched even if it already present in
6737 the article buffer. If PSEUDO is non-nil, pseudo-articles will also
6739 ;; Make sure we are in the summary buffer to work around bbdb bug.
6740 (unless (eq major-mode 'gnus-summary-mode)
6741 (set-buffer gnus-summary-buffer))
6742 (let ((article (or article (gnus-summary-article-number)))
6743 (all-headers (not (not all-headers))) ;Must be t or nil.
6744 gnus-summary-display-article-function)
6746 (gnus-summary-article-pseudo-p article)
6747 (error "This is a pseudo-article"))
6749 (set-buffer gnus-summary-buffer)
6750 (if (or (and gnus-single-article-buffer
6751 (or (null gnus-current-article)
6752 (null gnus-article-current)
6753 (null (get-buffer gnus-article-buffer))
6754 (not (eq article (cdr gnus-article-current)))
6755 (not (equal (car gnus-article-current)
6756 gnus-newsgroup-name))))
6757 (and (not gnus-single-article-buffer)
6758 (or (null gnus-current-article)
6759 (not (eq gnus-current-article article))))
6761 ;; The requested article is different from the current article.
6763 (gnus-summary-display-article article all-headers)
6764 (when (gnus-buffer-live-p gnus-article-buffer)
6765 (with-current-buffer gnus-article-buffer
6766 (if (not gnus-article-decoded-p) ;; a local variable
6767 (mm-disable-multibyte))))
6768 (gnus-article-set-window-start
6769 (cdr (assq article gnus-newsgroup-bookmarks)))
6773 (defun gnus-summary-force-verify-and-decrypt ()
6775 (let ((mm-verify-option 'known)
6776 (mm-decrypt-option 'known)
6777 (gnus-buttonized-mime-types (append (list "multipart/signed"
6778 "multipart/encrypted")
6779 gnus-buttonized-mime-types)))
6780 (gnus-summary-select-article nil 'force)))
6782 (defun gnus-summary-set-current-mark (&optional current-mark)
6783 "Obsolete function."
6786 (defun gnus-summary-next-article (&optional unread subject backward push)
6787 "Select the next article.
6788 If UNREAD, only unread articles are selected.
6789 If SUBJECT, only articles with SUBJECT are selected.
6790 If BACKWARD, the previous article is selected instead of the next."
6793 ;; Is there such an article?
6794 ((and (gnus-summary-search-forward unread subject backward)
6795 (or (gnus-summary-display-article (gnus-summary-article-number))
6796 (eq (gnus-summary-article-mark) gnus-canceled-mark)))
6797 (gnus-summary-position-point))
6798 ;; If not, we try the first unread, if that is wanted.
6800 gnus-auto-select-same
6801 (gnus-summary-first-unread-article))
6802 (gnus-summary-position-point)
6803 (gnus-message 6 "Wrapped"))
6804 ;; Try to get next/previous article not displayed in this group.
6805 ((and gnus-auto-extend-newsgroup
6806 (not unread) (not subject))
6807 (gnus-summary-goto-article
6808 (if backward (1- gnus-newsgroup-begin) (1+ gnus-newsgroup-end))
6809 nil (count-lines (point-min) (point))))
6810 ;; Go to next/previous group.
6812 (unless (gnus-ephemeral-group-p gnus-newsgroup-name)
6813 (gnus-summary-jump-to-group gnus-newsgroup-name))
6814 (let ((cmd last-command-char)
6817 (set-buffer gnus-group-buffer)
6820 (if (eq gnus-keep-same-level 'best)
6821 (gnus-summary-best-group gnus-newsgroup-name)
6822 (gnus-summary-search-group backward gnus-keep-same-level))))
6823 ;; For some reason, the group window gets selected. We change
6825 (select-window (get-buffer-window (current-buffer)))
6826 ;; Select next unread newsgroup automagically.
6828 ((or (not gnus-auto-select-next)
6830 (gnus-message 7 "No more%s articles" (if unread " unread" "")))
6831 ((or (eq gnus-auto-select-next 'quietly)
6832 (and (eq gnus-auto-select-next 'slightly-quietly)
6834 (and (eq gnus-auto-select-next 'almost-quietly)
6835 (gnus-summary-last-article-p)))
6837 (if (gnus-ephemeral-group-p gnus-newsgroup-name)
6839 (gnus-message 7 "No more%s articles (%s)..."
6840 (if unread " unread" "")
6841 (if group (concat "selecting " group)
6843 (gnus-summary-next-group nil group backward)))
6845 (when (gnus-key-press-event-p last-input-event)
6846 (gnus-summary-walk-group-buffer
6847 gnus-newsgroup-name cmd unread backward point))))))))
6849 (defun gnus-summary-walk-group-buffer (from-group cmd unread backward start)
6850 (let ((keystrokes '((?\C-n (gnus-group-next-unread-group 1))
6851 (?\C-p (gnus-group-prev-unread-group 1))))
6852 (cursor-in-echo-area t)
6853 keve key group ended)
6855 (set-buffer gnus-group-buffer)
6858 (if (eq gnus-keep-same-level 'best)
6859 (gnus-summary-best-group gnus-newsgroup-name)
6860 (gnus-summary-search-group backward gnus-keep-same-level))))
6863 5 "No more%s articles%s" (if unread " unread" "")
6865 (not (gnus-ephemeral-group-p gnus-newsgroup-name)))
6866 (format " (Type %s for %s [%s])"
6867 (single-key-description cmd) group
6868 (car (gnus-gethash group gnus-newsrc-hashtb)))
6869 (format " (Type %s to exit %s)"
6870 (single-key-description cmd)
6871 gnus-newsgroup-name)))
6872 ;; Confirm auto selection.
6873 (setq key (car (setq keve (gnus-read-event-char))))
6876 ((assq key keystrokes)
6877 (let ((obuf (current-buffer)))
6878 (switch-to-buffer gnus-group-buffer)
6880 (gnus-group-jump-to-group group))
6881 (eval (cadr (assq key keystrokes)))
6882 (setq group (gnus-group-group-name))
6883 (switch-to-buffer obuf))
6887 (gnus-ephemeral-group-p gnus-newsgroup-name))
6889 (gnus-summary-next-group nil group backward)))
6891 (push (cdr keve) unread-command-events))))))
6893 (defun gnus-summary-next-unread-article ()
6894 "Select unread article after current one."
6896 (gnus-summary-next-article
6897 (or (not (eq gnus-summary-goto-unread 'never))
6898 (gnus-summary-last-article-p (gnus-summary-article-number)))
6899 (and gnus-auto-select-same
6900 (gnus-summary-article-subject))))
6902 (defun gnus-summary-prev-article (&optional unread subject)
6903 "Select the article after the current one.
6904 If UNREAD is non-nil, only unread articles are selected."
6906 (gnus-summary-next-article unread subject t))
6908 (defun gnus-summary-prev-unread-article ()
6909 "Select unread article before current one."
6911 (gnus-summary-prev-article
6912 (or (not (eq gnus-summary-goto-unread 'never))
6913 (gnus-summary-first-article-p (gnus-summary-article-number)))
6914 (and gnus-auto-select-same
6915 (gnus-summary-article-subject))))
6917 (defun gnus-summary-next-page (&optional lines circular)
6918 "Show next page of the selected article.
6919 If at the end of the current article, select the next article.
6920 LINES says how many lines should be scrolled up.
6922 If CIRCULAR is non-nil, go to the start of the article instead of
6923 selecting the next article when reaching the end of the current
6926 (setq gnus-summary-buffer (current-buffer))
6927 (gnus-set-global-variables)
6928 (let ((article (gnus-summary-article-number))
6929 (article-window (get-buffer-window gnus-article-buffer t))
6931 ;; If the buffer is empty, we have no article.
6933 (error "No article to select"))
6934 (gnus-configure-windows 'article)
6935 (if (eq (cdr (assq article gnus-newsgroup-reads)) gnus-canceled-mark)
6936 (if (and (eq gnus-summary-goto-unread 'never)
6937 (not (gnus-summary-last-article-p article)))
6938 (gnus-summary-next-article)
6939 (gnus-summary-next-unread-article))
6940 (if (or (null gnus-current-article)
6941 (null gnus-article-current)
6942 (/= article (cdr gnus-article-current))
6943 (not (equal (car gnus-article-current) gnus-newsgroup-name)))
6944 ;; Selected subject is different from current article's.
6945 (gnus-summary-display-article article)
6946 (when article-window
6947 (gnus-eval-in-buffer-window gnus-article-buffer
6948 (setq endp (gnus-article-next-page lines)))
6951 (gnus-summary-beginning-of-article))
6953 (gnus-message 3 "End of message"))
6955 (if (and (eq gnus-summary-goto-unread 'never)
6956 (not (gnus-summary-last-article-p article)))
6957 (gnus-summary-next-article)
6958 (gnus-summary-next-unread-article))))))))
6959 (gnus-summary-recenter)
6960 (gnus-summary-position-point)))
6962 (defun gnus-summary-prev-page (&optional lines move)
6963 "Show previous page of selected article.
6964 Argument LINES specifies lines to be scrolled down.
6965 If MOVE, move to the previous unread article if point is at
6966 the beginning of the buffer."
6968 (let ((article (gnus-summary-article-number))
6969 (article-window (get-buffer-window gnus-article-buffer t))
6971 (gnus-configure-windows 'article)
6972 (if (or (null gnus-current-article)
6973 (null gnus-article-current)
6974 (/= article (cdr gnus-article-current))
6975 (not (equal (car gnus-article-current) gnus-newsgroup-name)))
6976 ;; Selected subject is different from current article's.
6977 (gnus-summary-display-article article)
6978 (gnus-summary-recenter)
6979 (when article-window
6980 (gnus-eval-in-buffer-window gnus-article-buffer
6981 (setq endp (gnus-article-prev-page lines)))
6982 (when (and move endp)
6984 (gnus-message 3 "Beginning of message"))
6986 (if (and (eq gnus-summary-goto-unread 'never)
6987 (not (gnus-summary-first-article-p article)))
6988 (gnus-summary-prev-article)
6989 (gnus-summary-prev-unread-article))))))))
6990 (gnus-summary-position-point))
6992 (defun gnus-summary-prev-page-or-article (&optional lines)
6993 "Show previous page of selected article.
6994 Argument LINES specifies lines to be scrolled down.
6995 If at the beginning of the article, go to the next article."
6997 (gnus-summary-prev-page lines t))
6999 (defun gnus-summary-scroll-up (lines)
7000 "Scroll up (or down) one line current article.
7001 Argument LINES specifies lines to be scrolled up (or down if negative)."
7003 (gnus-configure-windows 'article)
7004 (gnus-summary-show-thread)
7005 (when (eq (gnus-summary-select-article nil nil 'pseudo) 'old)
7006 (gnus-eval-in-buffer-window gnus-article-buffer
7008 (when (gnus-article-next-page lines)
7009 (gnus-message 3 "End of message")))
7011 (gnus-article-prev-page (- lines))))))
7012 (gnus-summary-recenter)
7013 (gnus-summary-position-point))
7015 (defun gnus-summary-scroll-down (lines)
7016 "Scroll down (or up) one line current article.
7017 Argument LINES specifies lines to be scrolled down (or up if negative)."
7019 (gnus-summary-scroll-up (- lines)))
7021 (defun gnus-summary-next-same-subject ()
7022 "Select next article which has the same subject as current one."
7024 (gnus-summary-next-article nil (gnus-summary-article-subject)))
7026 (defun gnus-summary-prev-same-subject ()
7027 "Select previous article which has the same subject as current one."
7029 (gnus-summary-prev-article nil (gnus-summary-article-subject)))
7031 (defun gnus-summary-next-unread-same-subject ()
7032 "Select next unread article which has the same subject as current one."
7034 (gnus-summary-next-article t (gnus-summary-article-subject)))
7036 (defun gnus-summary-prev-unread-same-subject ()
7037 "Select previous unread article which has the same subject as current one."
7039 (gnus-summary-prev-article t (gnus-summary-article-subject)))
7041 (defun gnus-summary-first-unread-article ()
7042 "Select the first unread article.
7043 Return nil if there are no unread articles."
7046 (when (gnus-summary-first-subject t)
7047 (gnus-summary-show-thread)
7048 (gnus-summary-first-subject t)
7049 (gnus-summary-display-article (gnus-summary-article-number)))
7050 (gnus-summary-position-point)))
7052 (defun gnus-summary-first-unread-subject ()
7053 "Place the point on the subject line of the first unread article.
7054 Return nil if there are no unread articles."
7057 (when (gnus-summary-first-subject t)
7058 (gnus-summary-show-thread)
7059 (gnus-summary-first-subject t))
7060 (gnus-summary-position-point)))
7062 (defun gnus-summary-first-unseen-subject ()
7063 "Place the point on the subject line of the first unseen article.
7064 Return nil if there are no unseen articles."
7067 (when (gnus-summary-first-subject t t t)
7068 (gnus-summary-show-thread)
7069 (gnus-summary-first-subject t t t))
7070 (gnus-summary-position-point)))
7072 (defun gnus-summary-first-unseen-or-unread-subject ()
7073 "Place the point on the subject line of the first unseen article.
7074 Return nil if there are no unseen articles."
7077 (unless (when (gnus-summary-first-subject t t t)
7078 (gnus-summary-show-thread)
7079 (gnus-summary-first-subject t t t))
7080 (when (gnus-summary-first-subject t)
7081 (gnus-summary-show-thread)
7082 (gnus-summary-first-subject t)))
7083 (gnus-summary-position-point)))
7085 (defun gnus-summary-first-article ()
7086 "Select the first article.
7087 Return nil if there are no articles."
7090 (when (gnus-summary-first-subject)
7091 (gnus-summary-show-thread)
7092 (gnus-summary-first-subject)
7093 (gnus-summary-display-article (gnus-summary-article-number)))
7094 (gnus-summary-position-point)))
7096 (defun gnus-summary-best-unread-article (&optional arg)
7097 "Select the unread article with the highest score.
7098 If given a prefix argument, select the next unread article that has a
7099 score higher than the default score."
7101 (let ((article (if arg
7102 (gnus-summary-better-unread-subject)
7103 (gnus-summary-best-unread-subject))))
7105 (gnus-summary-goto-article article)
7106 (error "No unread articles"))))
7108 (defun gnus-summary-best-unread-subject ()
7109 "Select the unread subject with the highest score."
7111 (let ((best -1000000)
7112 (data gnus-newsgroup-data)
7115 (and (gnus-data-unread-p (car data))
7117 (gnus-summary-article-score (gnus-data-number (car data))))
7120 article (gnus-data-number (car data))))
7121 (setq data (cdr data)))
7123 (gnus-summary-goto-subject article))
7124 (gnus-summary-position-point)
7127 (defun gnus-summary-better-unread-subject ()
7128 "Select the first unread subject that has a score over the default score."
7130 (let ((data gnus-newsgroup-data)
7132 (while (and (setq article (gnus-data-number (car data)))
7133 (or (gnus-data-read-p (car data))
7134 (not (> (gnus-summary-article-score article)
7135 gnus-summary-default-score))))
7136 (setq data (cdr data)))
7138 (gnus-summary-goto-subject article))
7139 (gnus-summary-position-point)
7142 (defun gnus-summary-last-subject ()
7143 "Go to the last displayed subject line in the group."
7144 (let ((article (gnus-data-number (car (gnus-data-list t)))))
7146 (gnus-summary-goto-subject article))))
7148 (defun gnus-summary-goto-article (article &optional all-headers force)
7149 "Fetch ARTICLE (article number or Message-ID) and display it if it exists.
7150 If ALL-HEADERS is non-nil, no header lines are hidden.
7151 If FORCE, go to the article even if it isn't displayed. If FORCE
7152 is a number, it is the line the article is to be displayed on."
7156 "Article number or Message-ID: "
7157 (mapcar (lambda (number) (list (int-to-string number)))
7158 gnus-newsgroup-limit))
7162 (if (and (stringp article)
7163 (string-match "@" article))
7164 (gnus-summary-refer-article article)
7165 (when (stringp article)
7166 (setq article (string-to-number article)))
7167 (if (gnus-summary-goto-subject article force)
7168 (gnus-summary-display-article article all-headers)
7169 (gnus-message 4 "Couldn't go to article %s" article) nil))
7170 (gnus-summary-position-point)))
7172 (defun gnus-summary-goto-last-article ()
7173 "Go to the previously read article."
7176 (when gnus-last-article
7177 (gnus-summary-goto-article gnus-last-article nil t))
7178 (gnus-summary-position-point)))
7180 (defun gnus-summary-pop-article (number)
7181 "Pop one article off the history and go to the previous.
7182 NUMBER articles will be popped off."
7185 (setq gnus-newsgroup-history
7186 (cdr (setq to (nthcdr number gnus-newsgroup-history))))
7188 (gnus-summary-goto-article (car to) nil t)
7189 (error "Article history empty")))
7190 (gnus-summary-position-point))
7192 ;; Summary commands and functions for limiting the summary buffer.
7194 (defun gnus-summary-limit-to-articles (n)
7195 "Limit the summary buffer to the next N articles.
7196 If not given a prefix, use the process marked articles instead."
7199 (let ((articles (gnus-summary-work-articles n)))
7200 (setq gnus-newsgroup-processable nil)
7201 (gnus-summary-limit articles))
7202 (gnus-summary-position-point)))
7204 (defun gnus-summary-pop-limit (&optional total)
7205 "Restore the previous limit.
7206 If given a prefix, remove all limits."
7209 (setq gnus-newsgroup-limits
7210 (list (mapcar (lambda (h) (mail-header-number h))
7211 gnus-newsgroup-headers))))
7212 (unless gnus-newsgroup-limits
7213 (error "No limit to pop"))
7215 (gnus-summary-limit nil 'pop)
7216 (gnus-summary-position-point)))
7218 (defun gnus-summary-limit-to-subject (subject &optional header not-matching)
7219 "Limit the summary buffer to articles that have subjects that match a regexp.
7220 If NOT-MATCHING, excluding articles that have subjects that match a regexp."
7222 (list (read-string (if current-prefix-arg
7223 "Exclude subject (regexp): "
7224 "Limit to subject (regexp): "))
7225 nil current-prefix-arg))
7227 (setq header "subject"))
7228 (when (not (equal "" subject))
7230 (let ((articles (gnus-summary-find-matching
7231 (or header "subject") subject 'all nil nil
7234 (error "Found no matches for \"%s\"" subject))
7235 (gnus-summary-limit articles))
7236 (gnus-summary-position-point))))
7238 (defun gnus-summary-limit-to-author (from &optional not-matching)
7239 "Limit the summary buffer to articles that have authors that match a regexp.
7240 If NOT-MATCHING, excluding articles that have authors that match a regexp."
7242 (list (read-string (if current-prefix-arg
7243 "Exclude author (regexp): "
7244 "Limit to author (regexp): "))
7245 current-prefix-arg))
7246 (gnus-summary-limit-to-subject from "from" not-matching))
7248 (defun gnus-summary-limit-to-age (age &optional younger-p)
7249 "Limit the summary buffer to articles that are older than (or equal) AGE days.
7250 If YOUNGER-P (the prefix) is non-nil, limit the summary buffer to
7251 articles that are younger than AGE days."
7253 (let ((younger current-prefix-arg)
7256 (while (not days-got)
7257 (setq days (if younger
7258 (read-string "Limit to articles within (in days): ")
7259 (read-string "Limit to articles older than (in days): ")))
7260 (when (> (length days) 0)
7261 (setq days (read days)))
7267 (setq younger (not younger))
7268 (setq days (* days -1)))))
7269 (message "Please enter a number.")
7271 (list days younger)))
7273 (let ((data gnus-newsgroup-data)
7274 (cutoff (days-to-time age))
7275 articles d date is-younger)
7276 (while (setq d (pop data))
7277 (when (and (vectorp (gnus-data-header d))
7278 (setq date (mail-header-date (gnus-data-header d))))
7279 (setq is-younger (time-less-p
7280 (time-since (condition-case ()
7287 (push (gnus-data-number d) articles))))
7288 (gnus-summary-limit (nreverse articles)))
7289 (gnus-summary-position-point)))
7291 (defun gnus-summary-limit-to-extra (header regexp &optional not-matching)
7292 "Limit the summary buffer to articles that match an 'extra' header."
7296 (gnus-completing-read-with-default
7297 (symbol-name (car gnus-extra-headers))
7298 (if current-prefix-arg
7299 "Exclude extra header:"
7300 "Limit extra header:")
7302 (cons (symbol-name x) x))
7307 (read-string (format "%s header %s (regexp): "
7308 (if current-prefix-arg "Exclude" "Limit to")
7310 current-prefix-arg)))
7311 (when (not (equal "" regexp))
7313 (let ((articles (gnus-summary-find-matching
7314 (cons 'extra header) regexp 'all nil nil
7317 (error "Found no matches for \"%s\"" regexp))
7318 (gnus-summary-limit articles))
7319 (gnus-summary-position-point))))
7321 (defun gnus-summary-limit-to-display-predicate ()
7322 "Limit the summary buffer to the predicated in the `display' group parameter."
7324 (unless gnus-newsgroup-display
7325 (error "There is no `display' group parameter"))
7327 (dolist (number gnus-newsgroup-articles)
7328 (when (funcall gnus-newsgroup-display)
7329 (push number articles)))
7330 (gnus-summary-limit articles))
7331 (gnus-summary-position-point))
7333 (defalias 'gnus-summary-delete-marked-as-read 'gnus-summary-limit-to-unread)
7335 'gnus-summary-delete-marked-as-read 'gnus-summary-limit-to-unread)
7337 (defun gnus-summary-limit-to-unread (&optional all)
7338 "Limit the summary buffer to articles that are not marked as read.
7339 If ALL is non-nil, limit strictly to unread articles."
7342 (gnus-summary-limit-to-marks (char-to-string gnus-unread-mark))
7343 (gnus-summary-limit-to-marks
7344 ;; Concat all the marks that say that an article is read and have
7346 (list gnus-del-mark gnus-read-mark gnus-ancient-mark
7347 gnus-killed-mark gnus-spam-mark gnus-kill-file-mark
7348 gnus-low-score-mark gnus-expirable-mark
7349 gnus-canceled-mark gnus-catchup-mark gnus-sparse-mark
7350 gnus-duplicate-mark gnus-souped-mark)
7353 (defalias 'gnus-summary-delete-marked-with 'gnus-summary-limit-exclude-marks)
7354 (make-obsolete 'gnus-summary-delete-marked-with
7355 'gnus-summary-limit-exclude-marks)
7357 (defun gnus-summary-limit-exclude-marks (marks &optional reverse)
7358 "Exclude articles that are marked with MARKS (e.g. \"DK\").
7359 If REVERSE, limit the summary buffer to articles that are marked
7360 with MARKS. MARKS can either be a string of marks or a list of marks.
7361 Returns how many articles were removed."
7362 (interactive "sMarks: ")
7363 (gnus-summary-limit-to-marks marks t))
7365 (defun gnus-summary-limit-to-marks (marks &optional reverse)
7366 "Limit the summary buffer to articles that are marked with MARKS (e.g. \"DK\").
7367 If REVERSE (the prefix), limit the summary buffer to articles that are
7368 not marked with MARKS. MARKS can either be a string of marks or a
7370 Returns how many articles were removed."
7371 (interactive "sMarks: \nP")
7373 (let ((data gnus-newsgroup-data)
7374 (marks (if (listp marks) marks
7375 (append marks nil))) ; Transform to list.
7378 (when (if reverse (not (memq (gnus-data-mark (car data)) marks))
7379 (memq (gnus-data-mark (car data)) marks))
7380 (push (gnus-data-number (car data)) articles))
7381 (setq data (cdr data)))
7382 (gnus-summary-limit articles))
7383 (gnus-summary-position-point)))
7385 (defun gnus-summary-limit-to-score (score)
7386 "Limit to articles with score at or above SCORE."
7387 (interactive "NLimit to articles with score of at least: ")
7388 (let ((data gnus-newsgroup-data)
7391 (when (>= (gnus-summary-article-score (gnus-data-number (car data)))
7393 (push (gnus-data-number (car data)) articles))
7394 (setq data (cdr data)))
7396 (gnus-summary-limit articles)
7397 (gnus-summary-position-point))))
7399 (defun gnus-summary-limit-to-unseen ()
7400 "Limit to unseen articles."
7403 (gnus-summary-limit gnus-newsgroup-unseen)
7404 (gnus-summary-position-point)))
7406 (defun gnus-summary-limit-include-thread (id)
7407 "Display all the hidden articles that is in the thread with ID in it.
7408 When called interactively, ID is the Message-ID of the current
7410 (interactive (list (mail-header-id (gnus-summary-article-header))))
7411 (let ((articles (gnus-articles-in-thread
7412 (gnus-id-to-thread (gnus-root-id id)))))
7414 (gnus-summary-limit (nconc articles gnus-newsgroup-limit))
7415 (gnus-summary-limit-include-matching-articles
7417 (regexp-quote (gnus-simplify-subject-re
7418 (mail-header-subject (gnus-id-to-header id)))))
7419 (gnus-summary-position-point))))
7421 (defun gnus-summary-limit-include-matching-articles (header regexp)
7422 "Display all the hidden articles that have HEADERs that match REGEXP."
7423 (interactive (list (read-string "Match on header: ")
7424 (read-string "Regexp: ")))
7425 (let ((articles (gnus-find-matching-articles header regexp)))
7427 (gnus-summary-limit (nconc articles gnus-newsgroup-limit))
7428 (gnus-summary-position-point))))
7430 (defun gnus-summary-limit-include-dormant ()
7431 "Display all the hidden articles that are marked as dormant.
7432 Note that this command only works on a subset of the articles currently
7433 fetched for this group."
7435 (unless gnus-newsgroup-dormant
7436 (error "There are no dormant articles in this group"))
7438 (gnus-summary-limit (append gnus-newsgroup-dormant gnus-newsgroup-limit))
7439 (gnus-summary-position-point)))
7441 (defun gnus-summary-limit-exclude-dormant ()
7442 "Hide all dormant articles."
7445 (gnus-summary-limit-to-marks (list gnus-dormant-mark) 'reverse)
7446 (gnus-summary-position-point)))
7448 (defun gnus-summary-limit-exclude-childless-dormant ()
7449 "Hide all dormant articles that have no children."
7451 (let ((data (gnus-data-list t))
7452 articles d children)
7453 ;; Find all articles that are either not dormant or have
7455 (while (setq d (pop data))
7456 (when (or (not (= (gnus-data-mark d) gnus-dormant-mark))
7458 (gnus-article-children (gnus-data-number d)))
7461 (when (memq (car children) articles)
7466 (push (gnus-data-number d) articles)))
7469 (gnus-summary-limit articles)
7470 (gnus-summary-position-point))))
7472 (defun gnus-summary-limit-mark-excluded-as-read (&optional all)
7473 "Mark all unread excluded articles as read.
7474 If ALL, mark even excluded ticked and dormants as read."
7476 (setq gnus-newsgroup-limit (sort gnus-newsgroup-limit '<))
7477 (let ((articles (gnus-sorted-ndifference
7479 (mapcar (lambda (h) (mail-header-number h))
7480 gnus-newsgroup-headers)
7482 gnus-newsgroup-limit))
7484 (setq gnus-newsgroup-unreads
7485 (gnus-sorted-intersection gnus-newsgroup-unreads
7486 gnus-newsgroup-limit))
7488 (setq gnus-newsgroup-dormant nil
7489 gnus-newsgroup-marked nil
7490 gnus-newsgroup-reads
7492 (mapcar (lambda (n) (cons n gnus-catchup-mark)) articles)
7493 gnus-newsgroup-reads))
7494 (while (setq article (pop articles))
7495 (unless (or (memq article gnus-newsgroup-dormant)
7496 (memq article gnus-newsgroup-marked))
7497 (push (cons article gnus-catchup-mark) gnus-newsgroup-reads))))))
7499 (defun gnus-summary-limit (articles &optional pop)
7501 ;; We pop the previous limit off the stack and use that.
7502 (setq articles (car gnus-newsgroup-limits)
7503 gnus-newsgroup-limits (cdr gnus-newsgroup-limits))
7504 ;; We use the new limit, so we push the old limit on the stack.
7505 (push gnus-newsgroup-limit gnus-newsgroup-limits))
7507 (setq gnus-newsgroup-limit articles)
7508 (let ((total (length gnus-newsgroup-data))
7509 (data (gnus-data-find-list (gnus-summary-article-number)))
7510 (gnus-summary-mark-below nil) ; Inhibit this.
7512 ;; This will do all the work of generating the new summary buffer
7513 ;; according to the new limit.
7514 (gnus-summary-prepare)
7515 ;; Hide any threads, possibly.
7516 (gnus-summary-maybe-hide-threads)
7517 ;; Try to return to the article you were at, or one in the
7520 ;; We try to find some article after the current one.
7522 (when (gnus-summary-goto-subject (gnus-data-number (car data)) nil t)
7525 (setq data (cdr data))))
7527 ;; If there is no data, that means that we were after the last
7528 ;; article. The same goes when we can't find any articles
7529 ;; after the current one.
7530 (goto-char (point-max))
7531 (gnus-summary-find-prev))
7532 (gnus-set-mode-line 'summary)
7533 ;; We return how many articles were removed from the summary
7534 ;; buffer as a result of the new limit.
7535 (- total (length gnus-newsgroup-data))))
7537 (defsubst gnus-invisible-cut-children (threads)
7540 (when (memq (mail-header-number (caar threads)) gnus-newsgroup-limit)
7545 (defsubst gnus-cut-thread (thread)
7546 "Go forwards in the thread until we find an article that we want to display."
7547 (when (or (eq gnus-fetch-old-headers 'some)
7548 (eq gnus-fetch-old-headers 'invisible)
7549 (numberp gnus-fetch-old-headers)
7550 (eq gnus-build-sparse-threads 'some)
7551 (eq gnus-build-sparse-threads 'more))
7552 ;; Deal with old-fetched headers and sparse threads.
7556 (gnus-summary-article-sparse-p (mail-header-number (car thread)))
7557 (gnus-summary-article-ancient-p
7558 (mail-header-number (car thread))))
7559 (if (or (<= (length (cdr thread)) 1)
7560 (eq gnus-fetch-old-headers 'invisible))
7561 (setq gnus-newsgroup-limit
7562 (delq (mail-header-number (car thread))
7563 gnus-newsgroup-limit)
7564 thread (cadr thread))
7565 (when (gnus-invisible-cut-children (cdr thread))
7566 (let ((th (cdr thread)))
7568 (if (memq (mail-header-number (caar th))
7569 gnus-newsgroup-limit)
7570 (setq thread (car th)
7572 (setq th (cdr th))))))))))
7575 (defun gnus-cut-threads (threads)
7576 "Cut off all uninteresting articles from the beginning of threads."
7577 (when (or (eq gnus-fetch-old-headers 'some)
7578 (eq gnus-fetch-old-headers 'invisible)
7579 (numberp gnus-fetch-old-headers)
7580 (eq gnus-build-sparse-threads 'some)
7581 (eq gnus-build-sparse-threads 'more))
7584 (setcar th (gnus-cut-thread (car th)))
7585 (setq th (cdr th)))))
7586 ;; Remove nixed out threads.
7589 (defun gnus-summary-initial-limit (&optional show-if-empty)
7590 "Figure out what the initial limit is supposed to be on group entry.
7591 This entails weeding out unwanted dormants, low-scored articles,
7592 fetch-old-headers verbiage, and so on."
7593 ;; Most groups have nothing to remove.
7594 (if (or gnus-inhibit-limiting
7595 (and (null gnus-newsgroup-dormant)
7596 (eq gnus-newsgroup-display 'gnus-not-ignore)
7597 (not (eq gnus-fetch-old-headers 'some))
7598 (not (numberp gnus-fetch-old-headers))
7599 (not (eq gnus-fetch-old-headers 'invisible))
7600 (null gnus-summary-expunge-below)
7601 (not (eq gnus-build-sparse-threads 'some))
7602 (not (eq gnus-build-sparse-threads 'more))
7603 (null gnus-thread-expunge-below)
7604 (not gnus-use-nocem)))
7606 (push gnus-newsgroup-limit gnus-newsgroup-limits)
7607 (setq gnus-newsgroup-limit nil)
7610 (unless (car (symbol-value node))
7611 ;; These threads have no parents -- they are roots.
7612 (let ((nodes (cdr (symbol-value node)))
7615 (if (and gnus-thread-expunge-below
7616 (< (gnus-thread-total-score (car nodes))
7617 gnus-thread-expunge-below))
7618 (gnus-expunge-thread (pop nodes))
7619 (setq thread (pop nodes))
7620 (gnus-summary-limit-children thread))))))
7621 gnus-newsgroup-dependencies)
7622 ;; If this limitation resulted in an empty group, we might
7623 ;; pop the previous limit and use it instead.
7624 (when (and (not gnus-newsgroup-limit)
7626 (setq gnus-newsgroup-limit (pop gnus-newsgroup-limits)))
7627 gnus-newsgroup-limit))
7629 (defun gnus-summary-limit-children (thread)
7630 "Return 1 if this subthread is visible and 0 if it is not."
7631 ;; First we get the number of visible children to this thread. This
7632 ;; is done by recursing down the thread using this function, so this
7633 ;; will really go down to a leaf article first, before slowly
7634 ;; working its way up towards the root.
7638 (apply '+ (mapcar 'gnus-summary-limit-children
7641 (number (mail-header-number (car thread)))
7644 (not (memq number gnus-newsgroup-marked))
7646 ;; If this article is dormant and has absolutely no visible
7647 ;; children, then this article isn't visible.
7648 (and (memq number gnus-newsgroup-dormant)
7650 ;; If this is "fetch-old-headered" and there is no
7651 ;; visible children, then we don't want this article.
7652 (and (or (eq gnus-fetch-old-headers 'some)
7653 (numberp gnus-fetch-old-headers))
7654 (gnus-summary-article-ancient-p number)
7656 ;; If this is "fetch-old-headered" and `invisible', then
7657 ;; we don't want this article.
7658 (and (eq gnus-fetch-old-headers 'invisible)
7659 (gnus-summary-article-ancient-p number))
7660 ;; If this is a sparsely inserted article with no children,
7661 ;; we don't want it.
7662 (and (eq gnus-build-sparse-threads 'some)
7663 (gnus-summary-article-sparse-p number)
7665 ;; If we use expunging, and this article is really
7666 ;; low-scored, then we don't want this article.
7667 (when (and gnus-summary-expunge-below
7669 (or (cdr (assq number gnus-newsgroup-scored))
7670 gnus-summary-default-score))
7671 gnus-summary-expunge-below))
7672 ;; We increase the expunge-tally here, but that has
7673 ;; nothing to do with the limits, really.
7674 (incf gnus-newsgroup-expunged-tally)
7675 ;; We also mark as read here, if that's wanted.
7676 (when (and gnus-summary-mark-below
7677 (< score gnus-summary-mark-below))
7678 (setq gnus-newsgroup-unreads
7679 (delq number gnus-newsgroup-unreads))
7680 (if gnus-newsgroup-auto-expire
7681 (push number gnus-newsgroup-expirable)
7682 (push (cons number gnus-low-score-mark)
7683 gnus-newsgroup-reads)))
7685 ;; Do the `display' group parameter.
7686 (and gnus-newsgroup-display
7687 (not (funcall gnus-newsgroup-display)))
7688 ;; Check NoCeM things.
7689 (if (and gnus-use-nocem
7690 (gnus-nocem-unwanted-article-p
7691 (mail-header-id (car thread))))
7693 (setq gnus-newsgroup-unreads
7694 (delq number gnus-newsgroup-unreads))
7696 ;; Nope, invisible article.
7698 ;; Ok, this article is to be visible, so we add it to the limit
7700 (push number gnus-newsgroup-limit)
7703 (defun gnus-expunge-thread (thread)
7704 "Mark all articles in THREAD as read."
7705 (let* ((number (mail-header-number (car thread))))
7706 (incf gnus-newsgroup-expunged-tally)
7707 ;; We also mark as read here, if that's wanted.
7708 (setq gnus-newsgroup-unreads
7709 (delq number gnus-newsgroup-unreads))
7710 (if gnus-newsgroup-auto-expire
7711 (push number gnus-newsgroup-expirable)
7712 (push (cons number gnus-low-score-mark)
7713 gnus-newsgroup-reads)))
7714 ;; Go recursively through all subthreads.
7715 (mapcar 'gnus-expunge-thread (cdr thread)))
7717 ;; Summary article oriented commands
7719 (defun gnus-summary-refer-parent-article (n)
7720 "Refer parent article N times.
7721 If N is negative, go to ancestor -N instead.
7722 The difference between N and the number of articles fetched is returned."
7726 (when (not (natnump n))
7731 (setq header (gnus-summary-article-header))
7732 (if (and (eq (mail-header-number header)
7733 (cdr gnus-article-current))
7734 (equal gnus-newsgroup-name
7735 (car gnus-article-current)))
7736 ;; If we try to find the parent of the currently
7737 ;; displayed article, then we take a look at the actual
7738 ;; References header, since this is slightly more
7739 ;; reliable than the References field we got from the
7742 (set-buffer gnus-original-article-buffer)
7743 (nnheader-narrow-to-headers)
7744 (unless (setq ref (message-fetch-field "references"))
7745 (setq ref (message-fetch-field "in-reply-to")))
7748 ;; It's not the current article, so we take a bet on
7749 ;; the value we got from the server.
7750 (mail-header-references header)))
7752 (not (equal ref "")))
7753 (unless (gnus-summary-refer-article (gnus-parent-id ref skip))
7754 (gnus-message 1 "Couldn't find parent"))
7755 (gnus-message 1 "No references in article %d"
7756 (gnus-summary-article-number))
7759 (gnus-summary-position-point)
7762 (defun gnus-summary-refer-references ()
7763 "Fetch all articles mentioned in the References header.
7764 Return the number of articles fetched."
7766 (let ((ref (mail-header-references (gnus-summary-article-header)))
7767 (current (gnus-summary-article-number))
7771 (error "No References in the current article")
7772 ;; For each Message-ID in the References header...
7773 (while (string-match "<[^>]*>" ref)
7775 ;; ... fetch that article.
7776 (gnus-summary-refer-article
7777 (prog1 (match-string 0 ref)
7778 (setq ref (substring ref (match-end 0))))))
7779 (gnus-summary-goto-subject current)
7780 (gnus-summary-position-point)
7783 (defun gnus-summary-refer-thread (&optional limit)
7784 "Fetch all articles in the current thread.
7785 If LIMIT (the numerical prefix), fetch that many old headers instead
7786 of what's specified by the `gnus-refer-thread-limit' variable."
7788 (let ((id (mail-header-id (gnus-summary-article-header)))
7789 (limit (if limit (prefix-numeric-value limit)
7790 gnus-refer-thread-limit)))
7791 ;; We want to fetch LIMIT *old* headers, but we also have to
7792 ;; re-fetch all the headers in the current buffer, because many of
7793 ;; them may be undisplayed. So we adjust LIMIT.
7794 (when (numberp limit)
7795 (incf limit (- gnus-newsgroup-end gnus-newsgroup-begin)))
7796 (unless (eq gnus-fetch-old-headers 'invisible)
7797 (gnus-message 5 "Fetching headers for %s..." gnus-newsgroup-name)
7798 ;; Retrieve the headers and read them in.
7799 (if (eq (gnus-retrieve-headers
7800 (list gnus-newsgroup-end) gnus-newsgroup-name limit)
7802 (gnus-build-all-threads)
7803 (error "Can't fetch thread from backends that don't support NOV"))
7804 (gnus-message 5 "Fetching headers for %s...done" gnus-newsgroup-name))
7805 (gnus-summary-limit-include-thread id)))
7807 (defun gnus-summary-refer-article (message-id)
7808 "Fetch an article specified by MESSAGE-ID."
7809 (interactive "sMessage-ID: ")
7810 (when (and (stringp message-id)
7811 (not (zerop (length message-id))))
7812 ;; Construct the correct Message-ID if necessary.
7813 ;; Suggested by tale@pawl.rpi.edu.
7814 (unless (string-match "^<" message-id)
7815 (setq message-id (concat "<" message-id)))
7816 (unless (string-match ">$" message-id)
7817 (setq message-id (concat message-id ">")))
7818 (let* ((header (gnus-id-to-header message-id))
7820 (gnus-summary-article-sparse-p
7821 (mail-header-number header))
7822 (memq (mail-header-number header)
7823 gnus-newsgroup-limit)))
7826 ;; If the article is present in the buffer we just go to it.
7828 (or (not (gnus-summary-article-sparse-p
7829 (mail-header-number header)))
7832 (gnus-summary-goto-article
7833 (mail-header-number header) nil t)
7835 (gnus-summary-update-article (mail-header-number header)))))
7837 ;; We fetch the article.
7839 (dolist (gnus-override-method (gnus-refer-article-methods))
7840 (gnus-check-server gnus-override-method)
7841 ;; Fetch the header, and display the article.
7842 (when (setq number (gnus-summary-insert-subject message-id))
7843 (gnus-summary-select-article nil nil nil number)
7845 (gnus-message 3 "Couldn't fetch article %s" message-id)))))))
7847 (defun gnus-refer-article-methods ()
7848 "Return a list of referrable methods."
7850 ;; No method, so we default to current and native.
7851 ((null gnus-refer-article-method)
7852 (list gnus-current-select-method gnus-select-method))
7854 ((eq 'current gnus-refer-article-method)
7855 (list gnus-current-select-method))
7856 ;; List of select methods.
7857 ((not (and (symbolp (car gnus-refer-article-method))
7858 (assq (car gnus-refer-article-method) nnoo-definition-alist)))
7860 (dolist (method gnus-refer-article-method)
7861 (push (if (eq 'current method)
7862 gnus-current-select-method
7866 ;; One single select method.
7868 (list gnus-refer-article-method))))
7870 (defun gnus-summary-edit-parameters ()
7871 "Edit the group parameters of the current group."
7873 (gnus-group-edit-group gnus-newsgroup-name 'params))
7875 (defun gnus-summary-customize-parameters ()
7876 "Customize the group parameters of the current group."
7878 (gnus-group-customize gnus-newsgroup-name))
7880 (defun gnus-summary-enter-digest-group (&optional force)
7881 "Enter an nndoc group based on the current article.
7882 If FORCE, force a digest interpretation. If not, try
7883 to guess what the document format is."
7885 (let ((conf gnus-current-window-configuration))
7887 (gnus-summary-select-article))
7888 (setq gnus-current-window-configuration conf)
7889 (let* ((name (format "%s-%d"
7890 (gnus-group-prefixed-name
7891 gnus-newsgroup-name (list 'nndoc ""))
7893 (set-buffer gnus-summary-buffer)
7894 gnus-current-article)))
7895 (ogroup gnus-newsgroup-name)
7896 (params (append (gnus-info-params (gnus-get-info ogroup))
7897 (list (cons 'to-group ogroup))
7898 (list (cons 'save-article-group ogroup))))
7899 (case-fold-search t)
7900 (buf (current-buffer))
7903 (set-buffer gnus-original-article-buffer)
7904 ;; Have the digest group inherit the main mail address of
7905 ;; the parent article.
7906 (when (setq to-address (or (gnus-fetch-field "reply-to")
7907 (gnus-fetch-field "from")))
7908 (setq params (append
7909 (list (cons 'to-address
7910 (funcall gnus-decode-encoded-word-function
7912 (setq dig (nnheader-set-temp-buffer " *gnus digest buffer*"))
7913 (insert-buffer-substring gnus-original-article-buffer)
7914 ;; Remove lines that may lead nndoc to misinterpret the
7917 (goto-char (point-min))
7918 (or (search-forward "\n\n" nil t) (point)))
7919 (goto-char (point-min))
7920 (delete-matching-lines "^Path:\\|^From ")
7923 (if (let ((gnus-newsgroup-ephemeral-charset gnus-newsgroup-charset)
7924 (gnus-newsgroup-ephemeral-ignored-charsets
7925 gnus-newsgroup-ignored-charsets))
7926 (gnus-group-read-ephemeral-group
7927 name `(nndoc ,name (nndoc-address ,(get-buffer dig))
7929 ,(if force 'mbox 'guess)))
7931 `((adapt-file . ,(gnus-score-file-name gnus-newsgroup-name
7933 ;; Make all postings to this group go to the parent group.
7934 (nconc (gnus-info-params (gnus-get-info name))
7936 ;; Couldn't select this doc group.
7937 (switch-to-buffer buf)
7938 (gnus-set-global-variables)
7939 (gnus-configure-windows 'summary)
7940 (gnus-message 3 "Article couldn't be entered?"))
7941 (kill-buffer dig)))))
7943 (defun gnus-summary-read-document (n)
7944 "Open a new group based on the current article(s).
7945 This will allow you to read digests and other similar
7946 documents as newsgroups.
7947 Obeys the standard process/prefix convention."
7949 (let* ((articles (gnus-summary-work-articles n))
7950 (ogroup gnus-newsgroup-name)
7951 (params (append (gnus-info-params (gnus-get-info ogroup))
7952 (list (cons 'to-group ogroup))))
7953 article group egroup groups vgroup)
7954 (while (setq article (pop articles))
7955 (setq group (format "%s-%d" gnus-newsgroup-name article))
7956 (gnus-summary-remove-process-mark article)
7957 (when (gnus-summary-display-article article)
7960 (insert-buffer-substring gnus-original-article-buffer)
7961 ;; Remove some headers that may lead nndoc to make
7963 (message-narrow-to-head)
7964 (goto-char (point-min))
7965 (delete-matching-lines "^\\(Path\\):\\|^From ")
7968 (gnus-group-read-ephemeral-group
7969 group `(nndoc ,group (nndoc-address ,(current-buffer))
7970 (nndoc-article-type guess))
7973 ;; Make all postings to this group go to the parent group.
7974 (nconc (gnus-info-params (gnus-get-info egroup))
7976 (push egroup groups))
7977 ;; Couldn't select this doc group.
7978 (gnus-error 3 "Article couldn't be entered"))))))
7979 ;; Now we have selected all the documents.
7982 (error "None of the articles could be interpreted as documents"))
7983 ((gnus-group-read-ephemeral-group
7984 (setq vgroup (format
7985 "nnvirtual:%s-%s" gnus-newsgroup-name
7986 (format-time-string "%Y%m%dT%H%M%S" (current-time))))
7987 `(nnvirtual ,vgroup (nnvirtual-component-groups ,groups))
7989 (cons (current-buffer) 'summary)))
7991 (error "Couldn't select virtual nndoc group")))))
7993 (defun gnus-summary-isearch-article (&optional regexp-p)
7994 "Do incremental search forward on the current article.
7995 If REGEXP-P (the prefix) is non-nil, do regexp isearch."
7997 (gnus-summary-select-article)
7998 (gnus-configure-windows 'article)
7999 (gnus-eval-in-buffer-window gnus-article-buffer
8002 (isearch-forward regexp-p))))
8004 (defun gnus-summary-search-article-forward (regexp &optional backward)
8005 "Search for an article containing REGEXP forward.
8006 If BACKWARD, search backward instead."
8009 (format "Search article %s (regexp%s): "
8010 (if current-prefix-arg "backward" "forward")
8011 (if gnus-last-search-regexp
8012 (concat ", default " gnus-last-search-regexp)
8014 current-prefix-arg))
8015 (if (string-equal regexp "")
8016 (setq regexp (or gnus-last-search-regexp ""))
8017 (setq gnus-last-search-regexp regexp)
8018 (setq gnus-article-before-search gnus-current-article))
8019 ;; Intentionally set gnus-last-article.
8020 (setq gnus-last-article gnus-article-before-search)
8021 (let ((gnus-last-article gnus-last-article))
8022 (if (gnus-summary-search-article regexp backward)
8023 (gnus-summary-show-thread)
8024 (error "Search failed: \"%s\"" regexp))))
8026 (defun gnus-summary-search-article-backward (regexp)
8027 "Search for an article containing REGEXP backward."
8030 (format "Search article backward (regexp%s): "
8031 (if gnus-last-search-regexp
8032 (concat ", default " gnus-last-search-regexp)
8034 (gnus-summary-search-article-forward regexp 'backward))
8036 (defun gnus-summary-search-article (regexp &optional backward)
8037 "Search for an article containing REGEXP.
8038 Optional argument BACKWARD means do search for backward.
8039 `gnus-select-article-hook' is not called during the search."
8040 ;; We have to require this here to make sure that the following
8041 ;; dynamic binding isn't shadowed by autoloading.
8042 (require 'gnus-async)
8044 (let ((gnus-select-article-hook nil) ;Disable hook.
8045 (gnus-article-prepare-hook nil)
8046 (gnus-mark-article-hook nil) ;Inhibit marking as read.
8047 (gnus-use-article-prefetch nil)
8048 (gnus-xmas-force-redisplay nil) ;Inhibit XEmacs redisplay.
8049 (gnus-use-trees nil) ;Inhibit updating tree buffer.
8050 (sum (current-buffer))
8051 (gnus-display-mime-function nil)
8054 (gnus-save-hidden-threads
8055 (gnus-summary-select-article)
8056 (set-buffer gnus-article-buffer)
8057 (goto-char (window-point (get-buffer-window (current-buffer))))
8061 (gnus-message 7 "Searching article: %d..." (cdr gnus-article-current))
8063 (re-search-backward regexp nil t)
8064 (re-search-forward regexp nil t))
8065 ;; We found the regexp.
8070 (get-buffer-window (current-buffer))
8074 (get-buffer-window (current-buffer))
8077 (setq point (point)))
8078 ;; We didn't find it, so we go to the next article.
8081 (while (eq found 'not)
8082 (if (not (if backward (gnus-summary-find-prev)
8083 (gnus-summary-find-next)))
8084 ;; No more articles.
8086 ;; Select the next article and adjust point.
8087 (unless (gnus-summary-article-sparse-p
8088 (gnus-summary-article-number))
8090 (gnus-summary-select-article)
8091 (set-buffer gnus-article-buffer)
8093 (goto-char (if backward (point-max) (point-min))))))))
8094 (gnus-message 7 ""))
8095 ;; Return whether we found the regexp.
8096 (when (eq found 'found)
8098 (gnus-summary-show-thread)
8099 (gnus-summary-goto-subject gnus-current-article)
8100 (gnus-summary-position-point)
8103 (defun gnus-find-matching-articles (header regexp)
8104 "Return a list of all articles that match REGEXP on HEADER.
8105 This search includes all articles in the current group that Gnus has
8106 fetched headers for, whether they are displayed or not."
8107 (let ((articles nil)
8108 (func `(lambda (h) (,(intern (concat "mail-header-" header)) h)))
8109 (case-fold-search t))
8110 (dolist (header gnus-newsgroup-headers)
8111 (when (string-match regexp (funcall func header))
8112 (push (mail-header-number header) articles)))
8113 (nreverse articles)))
8115 (defun gnus-summary-find-matching (header regexp &optional backward unread
8116 not-case-fold not-matching)
8117 "Return a list of all articles that match REGEXP on HEADER.
8118 The search stars on the current article and goes forwards unless
8119 BACKWARD is non-nil. If BACKWARD is `all', do all articles.
8120 If UNREAD is non-nil, only unread articles will
8121 be taken into consideration. If NOT-CASE-FOLD, case won't be folded
8122 in the comparisons. If NOT-MATCHING, return a list of all articles that
8123 not match REGEXP on HEADER."
8124 (let ((case-fold-search (not not-case-fold))
8127 (if (eq (car header) 'extra)
8130 (or (cdr (assq ',(cdr header) (mail-header-extra h)))
8132 (error "%s is an invalid header" header))
8133 (unless (fboundp (intern (concat "mail-header-" header)))
8134 (error "%s is not a valid header" header))
8135 (setq func `(lambda (h) (,(intern (concat "mail-header-" header)) h))))
8136 (dolist (d (if (eq backward 'all)
8138 (gnus-data-find-list
8139 (gnus-summary-article-number)
8140 (gnus-data-list backward))))
8141 (when (and (or (not unread) ; We want all articles...
8142 (gnus-data-unread-p d)) ; Or just unreads.
8143 (vectorp (gnus-data-header d)) ; It's not a pseudo.
8147 (funcall func (gnus-data-header d))))
8148 (string-match regexp
8149 (funcall func (gnus-data-header d)))))
8150 (push (gnus-data-number d) articles))) ; Success!
8151 (nreverse articles)))
8153 (defun gnus-summary-execute-command (header regexp command &optional backward)
8154 "Search forward for an article whose HEADER matches REGEXP and execute COMMAND.
8155 If HEADER is an empty string (or nil), the match is done on the entire
8156 article. If BACKWARD (the prefix) is non-nil, search backward instead."
8158 (list (let ((completion-ignore-case t))
8161 (mapcar (lambda (header) (list (format "%s" header)))
8163 '("Number" "Subject" "From" "Lines" "Date"
8164 "Message-ID" "Xref" "References" "Body")
8165 gnus-extra-headers))
8166 nil 'require-match))
8167 (read-string "Regexp: ")
8168 (read-key-sequence "Command: ")
8169 current-prefix-arg))
8170 (when (equal header "Body")
8172 ;; Hidden thread subtrees must be searched as well.
8173 (gnus-summary-show-all-threads)
8174 ;; We don't want to change current point nor window configuration.
8176 (save-window-excursion
8178 gnus-treat-strip-trailing-blank-lines
8179 gnus-treat-strip-leading-blank-lines
8180 gnus-treat-strip-multiple-blank-lines
8181 gnus-treat-hide-boring-headers
8182 gnus-treat-fold-newsgroups
8183 gnus-article-prepare-hook)
8184 (gnus-message 6 "Executing %s..." (key-description command))
8185 ;; We'd like to execute COMMAND interactively so as to give arguments.
8186 (gnus-execute header regexp
8187 `(call-interactively ',(key-binding command))
8189 (gnus-message 6 "Executing %s...done" (key-description command))))))
8191 (defun gnus-summary-beginning-of-article ()
8192 "Scroll the article back to the beginning."
8194 (gnus-summary-select-article)
8195 (gnus-configure-windows 'article)
8196 (gnus-eval-in-buffer-window gnus-article-buffer
8198 (goto-char (point-min))
8199 (when gnus-page-broken
8200 (gnus-narrow-to-page))))
8202 (defun gnus-summary-end-of-article ()
8203 "Scroll to the end of the article."
8205 (gnus-summary-select-article)
8206 (gnus-configure-windows 'article)
8207 (gnus-eval-in-buffer-window gnus-article-buffer
8209 (goto-char (point-max))
8211 (when gnus-page-broken
8212 (gnus-narrow-to-page))))
8214 (defun gnus-summary-print-truncate-and-quote (string &optional len)
8215 "Truncate to LEN and quote all \"(\"'s in STRING."
8216 (gnus-replace-in-string (if (and len (> (length string) len))
8217 (substring string 0 len)
8221 (defun gnus-summary-print-article (&optional filename n)
8222 "Generate and print a PostScript image of the N next (mail) articles.
8224 If N is negative, print the N previous articles. If N is nil and articles
8225 have been marked with the process mark, print these instead.
8227 If the optional first argument FILENAME is nil, send the image to the
8228 printer. If FILENAME is a string, save the PostScript image in a file with
8229 that name. If FILENAME is a number, prompt the user for the name of the file
8231 (interactive (list (ps-print-preprint current-prefix-arg)))
8232 (dolist (article (gnus-summary-work-articles n))
8233 (gnus-summary-select-article nil nil 'pseudo article)
8234 (gnus-eval-in-buffer-window gnus-article-buffer
8235 (gnus-print-buffer))
8236 (gnus-summary-remove-process-mark article))
8237 (ps-despool filename))
8239 (defun gnus-print-buffer ()
8240 (let ((buffer (generate-new-buffer " *print*")))
8243 (copy-to-buffer buffer (point-min) (point-max))
8245 (gnus-article-delete-invisible-text)
8246 (gnus-remove-text-with-property 'gnus-decoration)
8247 (when (gnus-visual-p 'article-highlight 'highlight)
8248 ;; Copy-to-buffer doesn't copy overlay. So redo
8250 (let ((gnus-article-buffer buffer))
8251 (gnus-article-highlight-citation t)
8252 (gnus-article-highlight-signature)))
8253 (let ((ps-left-header
8256 (gnus-summary-print-truncate-and-quote
8257 (mail-header-subject gnus-current-headers)
8260 (gnus-summary-print-truncate-and-quote
8261 (mail-header-from gnus-current-headers)
8265 "/pagenumberstring load"
8267 (mail-header-date gnus-current-headers) ")"))))
8268 (gnus-run-hooks 'gnus-ps-print-hook)
8271 (ps-spool-buffer-with-faces)
8272 (ps-spool-buffer)))))
8273 (kill-buffer buffer))))
8275 (defun gnus-summary-show-article (&optional arg)
8276 "Force redisplaying of the current article.
8277 If ARG (the prefix) is a number, show the article with the charset
8278 defined in `gnus-summary-show-article-charset-alist', or the charset
8280 If ARG (the prefix) is non-nil and not a number, show the raw article
8281 without any article massaging functions being run. Normally, the key strokes
8286 (gnus-summary-show-article t)
8287 (let ((gnus-newsgroup-charset
8288 (or (cdr (assq arg gnus-summary-show-article-charset-alist))
8289 (mm-read-coding-system
8290 "View as charset: " ;; actually it is coding system.
8292 (set-buffer gnus-article-buffer)
8293 (mm-detect-coding-region (point) (point-max))))))
8294 (gnus-newsgroup-ignored-charsets 'gnus-all))
8295 (gnus-summary-select-article nil 'force)
8296 (let ((deps gnus-newsgroup-dependencies)
8299 (set-buffer gnus-original-article-buffer)
8301 (message-narrow-to-head)
8302 (setq head (buffer-string))
8303 (goto-char (point-min))
8304 (unless (re-search-forward "^lines:[ \t]\\([0-9]+\\)" nil t)
8305 (goto-char (point-max))
8307 (setq lines (1- (count-lines (point) (point-max))))))
8309 (insert (format "211 %d Article retrieved.\n"
8310 (cdr gnus-article-current)))
8312 (if lines (insert (format "Lines: %d\n" lines)))
8314 (let ((nntp-server-buffer (current-buffer)))
8315 (setq header (car (gnus-get-newsgroup-headers deps t))))))
8316 (gnus-data-set-header
8317 (gnus-data-find (cdr gnus-article-current))
8319 (gnus-summary-update-article-line
8320 (cdr gnus-article-current) header)
8321 (when (gnus-summary-goto-subject (cdr gnus-article-current) nil t)
8322 (gnus-summary-update-secondary-mark (cdr gnus-article-current))))))
8324 ;; Select the article the normal way.
8325 (gnus-summary-select-article nil 'force))
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 ;; Bind the article treatment functions to nil.
8332 (let ((gnus-have-all-headers t)
8333 gnus-article-prepare-hook
8334 gnus-article-decode-hook
8335 gnus-display-mime-function
8337 ;; Destroy any MIME parts.
8338 (when (gnus-buffer-live-p gnus-article-buffer)
8340 (set-buffer gnus-article-buffer)
8341 (mm-destroy-parts gnus-article-mime-handles)
8342 ;; Set it to nil for safety reason.
8343 (setq gnus-article-mime-handle-alist nil)
8344 (setq gnus-article-mime-handles nil)))
8345 (gnus-summary-select-article nil 'force))))
8346 (gnus-summary-goto-subject gnus-current-article)
8347 (gnus-summary-position-point))
8349 (defun gnus-summary-show-raw-article ()
8350 "Show the raw article without any article massaging functions being run."
8352 (gnus-summary-show-article t))
8354 (defun gnus-summary-verbose-headers (&optional arg)
8355 "Toggle permanent full header display.
8356 If ARG is a positive number, turn header display on.
8357 If ARG is a negative number, turn header display off."
8359 (setq gnus-show-all-headers
8360 (cond ((or (not (numberp arg))
8362 (not gnus-show-all-headers))
8365 (gnus-summary-show-article))
8367 (defun gnus-summary-toggle-header (&optional arg)
8368 "Show the headers if they are hidden, or hide them if they are shown.
8369 If ARG is a positive number, show the entire header.
8370 If ARG is a negative number, hide the unwanted header lines."
8372 (let ((window (and (gnus-buffer-live-p gnus-article-buffer)
8373 (get-buffer-window gnus-article-buffer t))))
8374 (with-current-buffer gnus-article-buffer
8376 (article-narrow-to-head)
8377 (let* ((buffer-read-only nil)
8378 (inhibit-point-motion-hooks t)
8379 (hidden (if (numberp arg)
8381 (gnus-article-hidden-text-p 'headers)))
8383 (delete-region (point-min) (point-max))
8384 (with-current-buffer gnus-original-article-buffer
8385 (goto-char (setq s (point-min)))
8386 (setq e (if (search-forward "\n\n" nil t)
8389 (insert-buffer-substring gnus-original-article-buffer s e)
8390 (article-decode-encoded-words)
8392 (let ((gnus-treat-hide-headers nil)
8393 (gnus-treat-hide-boring-headers nil))
8394 (gnus-delete-wash-type 'headers)
8395 (gnus-treat-article 'head))
8396 (gnus-treat-article 'head))
8399 (set-window-start window (goto-char (point-min))))
8400 (setq gnus-page-broken
8401 (when gnus-break-pages
8402 (gnus-narrow-to-page)
8404 (gnus-set-mode-line 'article)))))
8406 (defun gnus-summary-show-all-headers ()
8407 "Make all header lines visible."
8409 (gnus-summary-toggle-header 1))
8411 (defun gnus-summary-caesar-message (&optional arg)
8412 "Caesar rotate the current article by 13.
8413 The numerical prefix specifies how many places to rotate each letter
8416 (gnus-summary-select-article)
8417 (let ((mail-header-separator ""))
8418 (gnus-eval-in-buffer-window gnus-article-buffer
8421 (let ((start (window-start))
8423 (message-caesar-buffer-body arg)
8424 (set-window-start (get-buffer-window (current-buffer)) start))))))
8426 (autoload 'unmorse-region "morse"
8427 "Convert morse coded text in region to ordinary ASCII text."
8430 (defun gnus-summary-morse-message (&optional arg)
8431 "Morse decode the current article."
8433 (gnus-summary-select-article)
8434 (let ((mail-header-separator ""))
8435 (gnus-eval-in-buffer-window gnus-article-buffer
8439 (let ((pos (window-start))
8441 (goto-char (point-min))
8442 (when (message-goto-body)
8443 (gnus-narrow-to-body))
8444 (goto-char (point-min))
8445 (while (re-search-forward "·" (point-max) t)
8446 (replace-match "."))
8447 (unmorse-region (point-min) (point-max))
8449 (set-window-start (get-buffer-window (current-buffer)) pos)))))))
8451 (defun gnus-summary-stop-page-breaking ()
8452 "Stop page breaking in the current article."
8454 (gnus-summary-select-article)
8455 (gnus-eval-in-buffer-window gnus-article-buffer
8457 (when (gnus-visual-p 'page-marker)
8458 (let ((buffer-read-only nil))
8459 (gnus-remove-text-with-property 'gnus-prev)
8460 (gnus-remove-text-with-property 'gnus-next))
8461 (setq gnus-page-broken nil))))
8463 (defun gnus-summary-move-article (&optional n to-newsgroup
8464 select-method action)
8465 "Move the current article to a different newsgroup.
8466 If N is a positive number, move the N next articles.
8467 If N is a negative number, move the N previous articles.
8468 If N is nil and any articles have been marked with the process mark,
8469 move those articles instead.
8470 If TO-NEWSGROUP is string, do not prompt for a newsgroup to move to.
8471 If SELECT-METHOD is non-nil, do not move to a specific newsgroup, but
8472 re-spool using this method.
8474 When called interactively with TO-NEWSGROUP being nil, the value of
8475 the variable `gnus-move-split-methods' is used for finding a default
8476 for the target newsgroup.
8478 For this function to work, both the current newsgroup and the
8479 newsgroup that you want to move to have to support the `request-move'
8480 and `request-accept' functions.
8482 ACTION can be either `move' (the default), `crosspost' or `copy'."
8485 (setq action 'move))
8486 ;; Check whether the source group supports the required functions.
8487 (cond ((and (eq action 'move)
8488 (not (gnus-check-backend-function
8489 'request-move-article gnus-newsgroup-name)))
8490 (error "The current group does not support article moving"))
8491 ((and (eq action 'crosspost)
8492 (not (gnus-check-backend-function
8493 'request-replace-article gnus-newsgroup-name)))
8494 (error "The current group does not support article editing")))
8495 (let ((articles (gnus-summary-work-articles n))
8496 (prefix (if (gnus-check-backend-function
8497 'request-move-article gnus-newsgroup-name)
8498 (gnus-group-real-prefix gnus-newsgroup-name)
8500 (names '((move "Move" "Moving")
8501 (copy "Copy" "Copying")
8502 (crosspost "Crosspost" "Crossposting")))
8503 (copy-buf (save-excursion
8504 (nnheader-set-temp-buffer " *copy article*")))
8505 art-group to-method new-xref article to-groups)
8506 (unless (assq action names)
8507 (error "Unknown action %s" action))
8508 ;; Read the newsgroup name.
8509 (when (and (not to-newsgroup)
8510 (not select-method))
8511 (if (and gnus-move-split-methods
8513 (and (memq gnus-current-article articles)
8514 (gnus-buffer-live-p gnus-original-article-buffer))))
8515 ;; When `gnus-move-split-methods' is non-nil, we have to
8516 ;; select an article to give `gnus-read-move-group-name' an
8517 ;; opportunity to suggest an appropriate default. However,
8518 ;; we needn't render or mark the article.
8519 (let ((gnus-display-mime-function nil)
8520 (gnus-article-prepare-hook nil)
8521 (gnus-mark-article-hook nil))
8522 (gnus-summary-select-article nil nil nil (car articles))))
8524 (gnus-read-move-group-name
8525 (cadr (assq action names))
8526 (symbol-value (intern (format "gnus-current-%s-group" action)))
8528 (set (intern (format "gnus-current-%s-group" action)) to-newsgroup))
8529 (setq to-method (or select-method
8530 (gnus-server-to-method
8531 (gnus-group-method to-newsgroup))))
8532 ;; Check the method we are to move this article to...
8533 (unless (gnus-check-backend-function
8534 'request-accept-article (car to-method))
8535 (error "%s does not support article copying" (car to-method)))
8536 (unless (gnus-check-server to-method)
8537 (error "Can't open server %s" (car to-method)))
8538 (gnus-message 6 "%s to %s: %s..."
8539 (caddr (assq action names))
8540 (or (car select-method) to-newsgroup) articles)
8542 (setq article (pop articles))
8546 ;; Move the article.
8548 ;; Remove this article from future suppression.
8549 (gnus-dup-unsuppress-article article)
8550 (gnus-request-move-article
8551 article ; Article to move
8552 gnus-newsgroup-name ; From newsgroup
8553 (nth 1 (gnus-find-method-for-group
8554 gnus-newsgroup-name)) ; Server
8555 (list 'gnus-request-accept-article
8556 to-newsgroup (list 'quote select-method)
8557 (not articles) t) ; Accept form
8558 (not articles))) ; Only save nov last time
8559 ;; Copy the article.
8562 (set-buffer copy-buf)
8563 (when (gnus-request-article-this-buffer article gnus-newsgroup-name)
8564 (gnus-request-accept-article
8565 to-newsgroup select-method (not articles) t))))
8566 ;; Crosspost the article.
8567 ((eq action 'crosspost)
8568 (let ((xref (message-tokenize-header
8569 (mail-header-xref (gnus-summary-article-header article))
8571 (setq new-xref (concat (gnus-group-real-name gnus-newsgroup-name)
8572 ":" (number-to-string article)))
8574 (setq xref (list (system-name))))
8577 (mapconcat 'identity
8578 (delete "Xref:" (delete new-xref xref))
8582 (set-buffer copy-buf)
8583 ;; First put the article in the destination group.
8584 (gnus-request-article-this-buffer article gnus-newsgroup-name)
8585 (when (consp (setq art-group
8586 (gnus-request-accept-article
8587 to-newsgroup select-method (not articles))))
8588 (setq new-xref (concat new-xref " " (car art-group)
8590 (number-to-string (cdr art-group))))
8591 ;; Now we have the new Xrefs header, so we insert
8592 ;; it and replace the new article.
8593 (nnheader-replace-header "Xref" new-xref)
8594 (gnus-request-replace-article
8595 (cdr art-group) to-newsgroup (current-buffer))
8599 (gnus-message 1 "Couldn't %s article %s: %s"
8600 (cadr (assq action names)) article
8601 (nnheader-get-report (car to-method))))
8602 ((eq art-group 'junk)
8603 (when (eq action 'move)
8604 (gnus-summary-mark-article article gnus-canceled-mark)
8605 (gnus-message 4 "Deleted article %s" article)))
8607 (let* ((pto-group (gnus-group-prefixed-name
8608 (car art-group) to-method))
8610 (gnus-gethash pto-group gnus-newsrc-hashtb))
8611 (info (nth 2 entry))
8612 (to-group (gnus-info-group info))
8614 ;; Update the group that has been moved to.
8616 (memq action '(move copy)))
8617 (unless (member to-group to-groups)
8618 (push to-group to-groups))
8620 (unless (memq article gnus-newsgroup-unreads)
8621 (push 'read to-marks)
8623 info (gnus-add-to-range (gnus-info-read info)
8624 (list (cdr art-group)))))
8626 ;; See whether the article is to be put in the cache.
8627 (let ((marks gnus-article-mark-lists)
8628 (to-article (cdr art-group)))
8630 ;; Enter the article into the cache in the new group,
8631 ;; if that is required.
8632 (when gnus-use-cache
8633 (gnus-cache-possibly-enter-article
8635 (memq article gnus-newsgroup-marked)
8636 (memq article gnus-newsgroup-dormant)
8637 (memq article gnus-newsgroup-unreads)))
8639 (when gnus-preserve-marks
8640 ;; Copy any marks over to the new group.
8641 (when (and (equal to-group gnus-newsgroup-name)
8642 (not (memq article gnus-newsgroup-unreads)))
8643 ;; Mark this article as read in this group.
8644 (push (cons to-article gnus-read-mark) gnus-newsgroup-reads)
8645 (setcdr (gnus-active to-group) to-article)
8646 (setcdr gnus-newsgroup-active to-article))
8649 (when (eq (gnus-article-mark-to-type (cdar marks)) 'list)
8650 (when (memq article (symbol-value
8651 (intern (format "gnus-newsgroup-%s"
8653 (push (cdar marks) to-marks)
8654 ;; If the other group is the same as this group,
8655 ;; then we have to add the mark to the list.
8656 (when (equal to-group gnus-newsgroup-name)
8657 (set (intern (format "gnus-newsgroup-%s" (caar marks)))
8660 (intern (format "gnus-newsgroup-%s"
8662 ;; Copy the marks to other group.
8663 (gnus-add-marked-articles
8664 to-group (cdar marks) (list to-article) info)))
8665 (setq marks (cdr marks)))
8667 (gnus-request-set-mark to-group (list (list (list to-article)
8672 (concat "(gnus-group-set-info '"
8673 (gnus-prin1-to-string (gnus-get-info to-group))
8676 ;; Update the Xref header in this article to point to
8677 ;; the new crossposted article we have just created.
8678 (when (eq action 'crosspost)
8680 (set-buffer copy-buf)
8681 (gnus-request-article-this-buffer article gnus-newsgroup-name)
8682 (nnheader-replace-header "Xref" new-xref)
8683 (gnus-request-replace-article
8684 article gnus-newsgroup-name (current-buffer)))))
8686 ;;;!!!Why is this necessary?
8687 (set-buffer gnus-summary-buffer)
8689 (gnus-summary-goto-subject article)
8690 (when (eq action 'move)
8691 (gnus-summary-mark-article article gnus-canceled-mark))))
8692 (gnus-summary-remove-process-mark article))
8693 ;; Re-activate all groups that have been moved to.
8695 (set-buffer gnus-group-buffer)
8696 (let ((gnus-group-marked to-groups))
8697 (gnus-group-get-new-news-this-group nil t)))
8699 (gnus-kill-buffer copy-buf)
8700 (gnus-summary-position-point)
8701 (gnus-set-mode-line 'summary)))
8703 (defun gnus-summary-copy-article (&optional n to-newsgroup select-method)
8704 "Move the current article to a different newsgroup.
8705 If TO-NEWSGROUP is string, do not prompt for a newsgroup to move to.
8706 When called interactively, if TO-NEWSGROUP is nil, use the value of
8707 the variable `gnus-move-split-methods' for finding a default target
8709 If SELECT-METHOD is non-nil, do not move to a specific newsgroup, but
8710 re-spool using this method."
8712 (gnus-summary-move-article n to-newsgroup select-method 'copy))
8714 (defun gnus-summary-crosspost-article (&optional n)
8715 "Crosspost the current article to some other group."
8717 (gnus-summary-move-article n nil nil 'crosspost))
8719 (defcustom gnus-summary-respool-default-method nil
8720 "Default method type for respooling an article.
8721 If nil, use to the current newsgroup method."
8723 :group 'gnus-summary-mail)
8725 (defun gnus-summary-respool-article (&optional n method)
8726 "Respool the current article.
8727 The article will be squeezed through the mail spooling process again,
8728 which means that it will be put in some mail newsgroup or other
8729 depending on `nnmail-split-methods'.
8730 If N is a positive number, respool the N next articles.
8731 If N is a negative number, respool the N previous articles.
8732 If N is nil and any articles have been marked with the process mark,
8733 respool those articles instead.
8735 Respooling can be done both from mail groups and \"real\" newsgroups.
8736 In the former case, the articles in question will be moved from the
8737 current group into whatever groups they are destined to. In the
8738 latter case, they will be copied into the relevant groups."
8740 (list current-prefix-arg
8741 (let* ((methods (gnus-methods-using 'respool))
8743 (symbol-name (or gnus-summary-respool-default-method
8744 (car (gnus-find-method-for-group
8745 gnus-newsgroup-name)))))
8747 (gnus-completing-read-with-default
8748 methname "What backend do you want to use when respooling?"
8749 methods nil t nil 'gnus-mail-method-history))
8752 ((zerop (length (setq ms (gnus-servers-using-backend
8754 (list (intern method) ""))
8758 (let ((ms-alist (mapcar (lambda (m) (cons (cadr m) m)) ms)))
8759 (cdr (assoc (completing-read "Server name: " ms-alist nil t)
8762 (error "No method given for respooling"))
8763 (if (assoc (symbol-name
8764 (car (gnus-find-method-for-group gnus-newsgroup-name)))
8765 (gnus-methods-using 'respool))
8766 (gnus-summary-move-article n nil method)
8767 (gnus-summary-copy-article n nil method)))
8769 (defun gnus-summary-import-article (file &optional edit)
8770 "Import an arbitrary file into a mail newsgroup."
8771 (interactive "fImport file: \nP")
8772 (let ((group gnus-newsgroup-name)
8773 (now (current-time))
8774 atts lines group-art)
8775 (unless (gnus-check-backend-function 'request-accept-article group)
8776 (error "%s does not support article importing" group))
8777 (or (file-readable-p file)
8778 (not (file-regular-p file))
8779 (error "Can't read %s" file))
8781 (set-buffer (gnus-get-buffer-create " *import file*"))
8783 (nnheader-insert-file-contents file)
8784 (goto-char (point-min))
8785 (if (nnheader-article-p)
8787 (goto-char (point-min))
8788 (search-forward "\n\n" nil t)
8789 (narrow-to-region (point-min) (1- (point)))
8790 (goto-char (point-min))
8791 (unless (re-search-forward "^date:" nil t)
8792 (goto-char (point-max))
8793 (insert "Date: " (message-make-date (nth 5 atts)) "\n")))
8794 ;; This doesn't look like an article, so we fudge some headers.
8795 (setq atts (file-attributes file)
8796 lines (count-lines (point-min) (point-max)))
8797 (insert "From: " (read-string "From: ") "\n"
8798 "Subject: " (read-string "Subject: ") "\n"
8799 "Date: " (message-make-date (nth 5 atts)) "\n"
8800 "Message-ID: " (message-make-message-id) "\n"
8801 "Lines: " (int-to-string lines) "\n"
8802 "Chars: " (int-to-string (nth 7 atts)) "\n\n"))
8803 (setq group-art (gnus-request-accept-article group nil t))
8804 (kill-buffer (current-buffer)))
8805 (setq gnus-newsgroup-active (gnus-activate-group group))
8807 (gnus-summary-goto-article (cdr group-art) nil t)
8809 (gnus-summary-edit-article))))
8811 (defun gnus-summary-create-article ()
8812 "Create an article in a mail newsgroup."
8814 (let ((group gnus-newsgroup-name)
8815 (now (current-time))
8817 (unless (gnus-check-backend-function 'request-accept-article group)
8818 (error "%s does not support article importing" group))
8820 (set-buffer (gnus-get-buffer-create " *import file*"))
8822 (goto-char (point-min))
8823 ;; This doesn't look like an article, so we fudge some headers.
8824 (insert "From: " (read-string "From: ") "\n"
8825 "Subject: " (read-string "Subject: ") "\n"
8826 "Date: " (message-make-date now) "\n"
8827 "Message-ID: " (message-make-message-id) "\n")
8828 (setq group-art (gnus-request-accept-article group nil t))
8829 (kill-buffer (current-buffer)))
8830 (setq gnus-newsgroup-active (gnus-activate-group group))
8832 (gnus-summary-goto-article (cdr group-art) nil t)
8833 (gnus-summary-edit-article)))
8835 (defun gnus-summary-article-posted-p ()
8836 "Say whether the current (mail) article is available from news as well.
8837 This will be the case if the article has both been mailed and posted."
8839 (let ((id (mail-header-references (gnus-summary-article-header)))
8840 (gnus-override-method (car (gnus-refer-article-methods))))
8841 (if (gnus-request-head id "")
8842 (gnus-message 2 "The current message was found on %s"
8843 gnus-override-method)
8844 (gnus-message 2 "The current message couldn't be found on %s"
8845 gnus-override-method)
8848 (defun gnus-summary-expire-articles (&optional now)
8849 "Expire all articles that are marked as expirable in the current group."
8851 (when (gnus-check-backend-function
8852 'request-expire-articles gnus-newsgroup-name)
8853 ;; This backend supports expiry.
8854 (let* ((total (gnus-group-total-expirable-p gnus-newsgroup-name))
8855 (expirable (if total
8857 ;; We need to update the info for
8858 ;; this group for `gnus-list-of-read-articles'
8859 ;; to give us the right answer.
8860 (gnus-run-hooks 'gnus-exit-group-hook)
8861 (gnus-summary-update-info)
8862 (gnus-list-of-read-articles gnus-newsgroup-name))
8863 (setq gnus-newsgroup-expirable
8864 (sort gnus-newsgroup-expirable '<))))
8865 (expiry-wait (if now 'immediate
8866 (gnus-group-find-parameter
8867 gnus-newsgroup-name 'expiry-wait)))
8868 (nnmail-expiry-target
8869 (or (gnus-group-find-parameter gnus-newsgroup-name 'expiry-target)
8870 nnmail-expiry-target))
8873 ;; There are expirable articles in this group, so we run them
8874 ;; through the expiry process.
8875 (gnus-message 6 "Expiring articles...")
8876 (unless (gnus-check-group gnus-newsgroup-name)
8877 (error "Can't open server for %s" gnus-newsgroup-name))
8878 ;; The list of articles that weren't expired is returned.
8881 (let ((nnmail-expiry-wait-function nil)
8882 (nnmail-expiry-wait expiry-wait))
8883 (setq es (gnus-request-expire-articles
8884 expirable gnus-newsgroup-name)))
8885 (setq es (gnus-request-expire-articles
8886 expirable gnus-newsgroup-name)))
8888 (setq gnus-newsgroup-expirable es))
8889 ;; We go through the old list of expirable, and mark all
8890 ;; really expired articles as nonexistent.
8891 (unless (eq es expirable) ;If nothing was expired, we don't mark.
8892 (let ((gnus-use-cache nil))
8893 (dolist (article expirable)
8894 (when (and (not (memq article es))
8895 (gnus-data-find article))
8896 (gnus-summary-mark-article article gnus-canceled-mark))))))
8897 (gnus-message 6 "Expiring articles...done")))))
8899 (defun gnus-summary-expire-articles-now ()
8900 "Expunge all expirable articles in the current group.
8901 This means that *all* articles that are marked as expirable will be
8902 deleted forever, right now."
8904 (or gnus-expert-user
8906 "Are you really, really, really sure you want to delete all these messages? ")
8908 (gnus-summary-expire-articles t))
8910 ;; Suggested by Jack Vinson <vinson@unagi.cis.upenn.edu>.
8911 (defun gnus-summary-delete-article (&optional n)
8912 "Delete the N next (mail) articles.
8913 This command actually deletes articles. This is not a marking
8914 command. The article will disappear forever from your life, never to
8916 If N is negative, delete backwards.
8917 If N is nil and articles have been marked with the process mark,
8918 delete these instead."
8920 (unless (gnus-check-backend-function 'request-expire-articles
8921 gnus-newsgroup-name)
8922 (error "The current newsgroup does not support article deletion"))
8923 (unless (gnus-check-server (gnus-find-method-for-group gnus-newsgroup-name))
8924 (error "Couldn't open server"))
8925 ;; Compute the list of articles to delete.
8926 (let ((articles (sort (copy-sequence (gnus-summary-work-articles n)) '<))
8927 (nnmail-expiry-target 'delete)
8929 (if (and gnus-novice-user
8930 (not (gnus-yes-or-no-p
8931 (format "Do you really want to delete %s forever? "
8932 (if (> (length articles) 1)
8933 (format "these %s articles" (length articles))
8936 ;; Delete the articles.
8937 (setq not-deleted (gnus-request-expire-articles
8938 articles gnus-newsgroup-name 'force))
8940 (gnus-summary-remove-process-mark (car articles))
8941 ;; The backend might not have been able to delete the article
8943 (unless (memq (car articles) not-deleted)
8944 (gnus-summary-mark-article (car articles) gnus-canceled-mark))
8945 (setq articles (cdr articles)))
8947 (gnus-message 4 "Couldn't delete articles %s" not-deleted)))
8948 (gnus-summary-position-point)
8949 (gnus-set-mode-line 'summary)
8952 (defun gnus-summary-edit-article (&optional arg)
8953 "Edit the current article.
8954 This will have permanent effect only in mail groups.
8955 If ARG is nil, edit the decoded articles.
8956 If ARG is 1, edit the raw articles.
8957 If ARG is 2, edit the raw articles even in read-only groups.
8958 If ARG is 3, edit the articles with the current handles.
8959 Otherwise, allow editing of articles even in read-only
8962 (let (force raw current-handles)
8971 (setq current-handles
8972 (and (gnus-buffer-live-p gnus-article-buffer)
8973 (with-current-buffer gnus-article-buffer
8975 gnus-article-mime-handles
8976 (setq gnus-article-mime-handles nil))))))
8979 (when (and raw (not force)
8980 (member gnus-newsgroup-name '("nndraft:delayed"
8983 (error "Can't edit the raw article in group %s"
8984 gnus-newsgroup-name))
8986 (set-buffer gnus-summary-buffer)
8987 (let ((mail-parse-charset gnus-newsgroup-charset)
8988 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets))
8989 (gnus-set-global-variables)
8990 (when (and (not force)
8991 (gnus-group-read-only-p))
8992 (error "The current newsgroup does not support article editing"))
8993 (gnus-summary-show-article t)
8994 (when (and (not raw) (gnus-buffer-live-p gnus-article-buffer))
8995 (with-current-buffer gnus-article-buffer
8996 (mm-enable-multibyte)))
8997 (if (member gnus-newsgroup-name '("nndraft:delayed" "nndraft:drafts"))
8999 (gnus-article-edit-article
9002 (let ((mbl mml-buffer-list))
9003 (setq mml-buffer-list nil)
9004 (mime-to-mml ,'current-handles)
9005 (let ((mbl1 mml-buffer-list))
9006 (setq mml-buffer-list mbl)
9007 (set (make-local-variable 'mml-buffer-list) mbl1))
9008 (make-local-hook 'kill-buffer-hook)
9009 (add-hook 'kill-buffer-hook 'mml-destroy-buffers t t))))
9010 `(lambda (no-highlight)
9011 (let ((mail-parse-charset ',gnus-newsgroup-charset)
9012 (message-options message-options)
9013 (message-options-set-recipient)
9014 (mail-parse-ignored-charsets
9015 ',gnus-newsgroup-ignored-charsets))
9016 ,(if (not raw) '(progn
9018 (mml-destroy-buffers)
9019 (remove-hook 'kill-buffer-hook
9020 'mml-destroy-buffers t)
9021 (kill-local-variable 'mml-buffer-list)))
9022 (gnus-summary-edit-article-done
9023 ,(or (mail-header-references gnus-current-headers) "")
9024 ,(gnus-group-read-only-p)
9025 ,gnus-summary-buffer no-highlight))))))))
9027 (defalias 'gnus-summary-edit-article-postpone 'gnus-article-edit-exit)
9029 (defun gnus-summary-edit-article-done (&optional references read-only buffer
9031 "Make edits to the current article permanent."
9034 ;; The buffer restriction contains the entire article if it exists.
9035 (when (article-goto-body)
9036 (let ((lines (count-lines (point) (point-max)))
9037 (length (- (point-max) (point)))
9038 (case-fold-search t)
9039 (body (copy-marker (point))))
9040 (goto-char (point-min))
9041 (when (re-search-forward "^content-length:[ \t]\\([0-9]+\\)" body t)
9042 (delete-region (match-beginning 1) (match-end 1))
9043 (insert (number-to-string length)))
9044 (goto-char (point-min))
9045 (when (re-search-forward
9046 "^x-content-length:[ \t]\\([0-9]+\\)" body t)
9047 (delete-region (match-beginning 1) (match-end 1))
9048 (insert (number-to-string length)))
9049 (goto-char (point-min))
9050 (when (re-search-forward "^lines:[ \t]\\([0-9]+\\)" body t)
9051 (delete-region (match-beginning 1) (match-end 1))
9052 (insert (number-to-string lines))))))
9053 ;; Replace the article.
9054 (let ((buf (current-buffer)))
9056 (insert-buffer-substring buf)
9058 (if (and (not read-only)
9059 (not (gnus-request-replace-article
9060 (cdr gnus-article-current) (car gnus-article-current)
9061 (current-buffer) t)))
9062 (error "Couldn't replace article")
9063 ;; Update the summary buffer.
9065 (equal (message-tokenize-header references " ")
9066 (message-tokenize-header
9067 (or (message-fetch-field "references") "") " ")))
9068 ;; We only have to update this line.
9071 (message-narrow-to-head)
9072 (let ((head (buffer-string))
9075 (insert (format "211 %d Article retrieved.\n"
9076 (cdr gnus-article-current)))
9079 (let ((nntp-server-buffer (current-buffer)))
9080 (setq header (car (gnus-get-newsgroup-headers
9083 (set-buffer gnus-summary-buffer)
9084 (gnus-data-set-header
9085 (gnus-data-find (cdr gnus-article-current))
9087 (gnus-summary-update-article-line
9088 (cdr gnus-article-current) header)
9089 (if (gnus-summary-goto-subject
9090 (cdr gnus-article-current) nil t)
9091 (gnus-summary-update-secondary-mark
9092 (cdr gnus-article-current))))))))
9094 (set-buffer (or buffer gnus-summary-buffer))
9095 (gnus-summary-update-article (cdr gnus-article-current))
9096 (if (gnus-summary-goto-subject (cdr gnus-article-current) nil t)
9097 (gnus-summary-update-secondary-mark
9098 (cdr gnus-article-current))))
9099 ;; Prettify the article buffer again.
9100 (unless no-highlight
9102 (set-buffer gnus-article-buffer)
9103 ;;;!!! Fix this -- article should be rehighlighted.
9104 ;;;(gnus-run-hooks 'gnus-article-display-hook)
9105 (set-buffer gnus-original-article-buffer)
9106 (gnus-request-article
9107 (cdr gnus-article-current)
9108 (car gnus-article-current) (current-buffer))))
9109 ;; Prettify the summary buffer line.
9110 (when (gnus-visual-p 'summary-highlight 'highlight)
9111 (gnus-run-hooks 'gnus-visual-mark-article-hook))))))
9113 (defun gnus-summary-edit-wash (key)
9114 "Perform editing command KEY in the article buffer."
9118 (message "%s" (concat (this-command-keys) "- "))
9121 (gnus-summary-edit-article)
9122 (execute-kbd-macro (concat (this-command-keys) key))
9123 (gnus-article-edit-done))
9127 (defun gnus-summary-respool-query (&optional silent trace)
9128 "Query where the respool algorithm would put this article."
9130 (let (gnus-mark-article-hook)
9131 (gnus-summary-select-article)
9133 (set-buffer gnus-original-article-buffer)
9135 (message-narrow-to-head)
9136 (let ((groups (nnmail-article-group 'identity trace)))
9139 (message "This message would go to %s"
9140 (mapconcat 'car groups ", "))
9141 (message "This message would go to no groups"))
9144 (defun gnus-summary-respool-trace ()
9145 "Trace where the respool algorithm would put this article.
9146 Display a buffer showing all fancy splitting patterns which matched."
9148 (gnus-summary-respool-query nil t))
9150 ;; Summary marking commands.
9152 (defun gnus-summary-kill-same-subject-and-select (&optional unmark)
9153 "Mark articles which has the same subject as read, and then select the next.
9154 If UNMARK is positive, remove any kind of mark.
9155 If UNMARK is negative, tick articles."
9158 (setq unmark (prefix-numeric-value unmark)))
9160 (gnus-summary-mark-same-subject
9161 (gnus-summary-article-subject) unmark)))
9162 ;; Select next unread article. If auto-select-same mode, should
9163 ;; select the first unread article.
9164 (gnus-summary-next-article t (and gnus-auto-select-same
9165 (gnus-summary-article-subject)))
9166 (gnus-message 7 "%d article%s marked as %s"
9167 count (if (= count 1) " is" "s are")
9168 (if unmark "unread" "read"))))
9170 (defun gnus-summary-kill-same-subject (&optional unmark)
9171 "Mark articles which has the same subject as read.
9172 If UNMARK is positive, remove any kind of mark.
9173 If UNMARK is negative, tick articles."
9176 (setq unmark (prefix-numeric-value unmark)))
9178 (gnus-summary-mark-same-subject
9179 (gnus-summary-article-subject) unmark)))
9180 ;; If marked as read, go to next unread subject.
9182 ;; Go to next unread subject.
9183 (gnus-summary-next-subject 1 t))
9184 (gnus-message 7 "%d articles are marked as %s"
9185 count (if unmark "unread" "read"))))
9187 (defun gnus-summary-mark-same-subject (subject &optional unmark)
9188 "Mark articles with same SUBJECT as read, and return marked number.
9189 If optional argument UNMARK is positive, remove any kinds of marks.
9190 If optional argument UNMARK is negative, mark articles as unread instead."
9194 ((null unmark) ; Mark as read.
9197 (gnus-summary-mark-article-as-read gnus-killed-mark)
9198 (gnus-summary-show-thread) t)
9199 (gnus-summary-find-subject subject))
9200 (setq count (1+ count))))
9201 ((> unmark 0) ; Tick.
9204 (gnus-summary-mark-article-as-unread gnus-ticked-mark)
9205 (gnus-summary-show-thread) t)
9206 (gnus-summary-find-subject subject))
9207 (setq count (1+ count))))
9208 (t ; Mark as unread.
9211 (gnus-summary-mark-article-as-unread gnus-unread-mark)
9212 (gnus-summary-show-thread) t)
9213 (gnus-summary-find-subject subject))
9214 (setq count (1+ count)))))
9215 (gnus-set-mode-line 'summary)
9216 ;; Return the number of marked articles.
9219 (defun gnus-summary-mark-as-processable (n &optional unmark)
9220 "Set the process mark on the next N articles.
9221 If N is negative, mark backward instead. If UNMARK is non-nil, remove
9222 the process mark instead. The difference between N and the actual
9223 number of articles marked is returned."
9225 (if (and (null n) (gnus-region-active-p))
9226 (gnus-uu-mark-region (region-beginning) (region-end) unmark)
9227 (setq n (prefix-numeric-value n))
9228 (let ((backward (< n 0))
9233 (gnus-summary-remove-process-mark
9234 (gnus-summary-article-number))
9235 (gnus-summary-set-process-mark (gnus-summary-article-number)))
9236 (zerop (gnus-summary-next-subject (if backward -1 1) nil t)))
9239 (gnus-message 7 "No more articles"))
9240 (gnus-summary-recenter)
9241 (gnus-summary-position-point)
9244 (defun gnus-summary-unmark-as-processable (n)
9245 "Remove the process mark from the next N articles.
9246 If N is negative, unmark backward instead. The difference between N and
9247 the actual number of articles unmarked is returned."
9249 (gnus-summary-mark-as-processable n t))
9251 (defun gnus-summary-unmark-all-processable ()
9252 "Remove the process mark from all articles."
9255 (while gnus-newsgroup-processable
9256 (gnus-summary-remove-process-mark (car gnus-newsgroup-processable))))
9257 (gnus-summary-position-point))
9259 (defun gnus-summary-add-mark (article type)
9260 "Mark ARTICLE with a mark of TYPE."
9261 (let ((vtype (car (assq type gnus-article-mark-lists)))
9264 (error "No such mark type: %s" type)
9265 (setq var (intern (format "gnus-newsgroup-%s" type)))
9266 (set var (cons article (symbol-value var)))
9267 (if (memq type '(processable cached replied forwarded recent saved))
9268 (gnus-summary-update-secondary-mark article)
9269 ;;; !!! This is bogus. We should find out what primary
9270 ;;; !!! mark we want to set.
9271 (gnus-summary-update-mark gnus-del-mark 'unread)))))
9273 (defun gnus-summary-mark-as-expirable (n)
9274 "Mark N articles forward as expirable.
9275 If N is negative, mark backward instead. The difference between N and
9276 the actual number of articles marked is returned."
9278 (gnus-summary-mark-forward n gnus-expirable-mark))
9280 (defun gnus-summary-mark-as-spam (n)
9281 "Mark N articles forward as spam.
9282 If N is negative, mark backward instead. The difference between N and
9283 the actual number of articles marked is returned."
9285 (gnus-summary-mark-forward n gnus-spam-mark))
9287 (defun gnus-summary-mark-article-as-replied (article)
9288 "Mark ARTICLE as replied to and update the summary line.
9289 ARTICLE can also be a list of articles."
9290 (interactive (list (gnus-summary-article-number)))
9291 (let ((articles (if (listp article) article (list article))))
9292 (dolist (article articles)
9293 (push article gnus-newsgroup-replied)
9294 (let ((buffer-read-only nil))
9295 (when (gnus-summary-goto-subject article nil t)
9296 (gnus-summary-update-secondary-mark article))))))
9298 (defun gnus-summary-mark-article-as-forwarded (article)
9299 "Mark ARTICLE as forwarded and update the summary line.
9300 ARTICLE can also be a list of articles."
9301 (let ((articles (if (listp article) article (list article))))
9302 (dolist (article articles)
9303 (push article gnus-newsgroup-forwarded)
9304 (let ((buffer-read-only nil))
9305 (when (gnus-summary-goto-subject article nil t)
9306 (gnus-summary-update-secondary-mark article))))))
9308 (defun gnus-summary-set-bookmark (article)
9309 "Set a bookmark in current article."
9310 (interactive (list (gnus-summary-article-number)))
9311 (when (or (not (get-buffer gnus-article-buffer))
9312 (not gnus-current-article)
9313 (not gnus-article-current)
9314 (not (equal gnus-newsgroup-name (car gnus-article-current))))
9315 (error "No current article selected"))
9316 ;; Remove old bookmark, if one exists.
9317 (let ((old (assq article gnus-newsgroup-bookmarks)))
9319 (setq gnus-newsgroup-bookmarks
9320 (delq old gnus-newsgroup-bookmarks))))
9321 ;; Set the new bookmark, which is on the form
9322 ;; (article-number . line-number-in-body).
9326 (set-buffer gnus-article-buffer)
9330 (goto-char (point-min))
9331 (search-forward "\n\n" nil t)
9334 gnus-newsgroup-bookmarks)
9335 (gnus-message 6 "A bookmark has been added to the current article."))
9337 (defun gnus-summary-remove-bookmark (article)
9338 "Remove the bookmark from the current article."
9339 (interactive (list (gnus-summary-article-number)))
9340 ;; Remove old bookmark, if one exists.
9341 (let ((old (assq article gnus-newsgroup-bookmarks)))
9344 (setq gnus-newsgroup-bookmarks
9345 (delq old gnus-newsgroup-bookmarks))
9346 (gnus-message 6 "Removed bookmark."))
9347 (gnus-message 6 "No bookmark in current article."))))
9349 ;; Suggested by Daniel Quinlan <quinlan@best.com>.
9350 (defun gnus-summary-mark-as-dormant (n)
9351 "Mark N articles forward as dormant.
9352 If N is negative, mark backward instead. The difference between N and
9353 the actual number of articles marked is returned."
9355 (gnus-summary-mark-forward n gnus-dormant-mark))
9357 (defun gnus-summary-set-process-mark (article)
9358 "Set the process mark on ARTICLE and update the summary line."
9359 (setq gnus-newsgroup-processable
9361 (delq article gnus-newsgroup-processable)))
9362 (when (gnus-summary-goto-subject article)
9363 (gnus-summary-show-thread)
9364 (gnus-summary-goto-subject article)
9365 (gnus-summary-update-secondary-mark article)))
9367 (defun gnus-summary-remove-process-mark (article)
9368 "Remove the process mark from ARTICLE and update the summary line."
9369 (setq gnus-newsgroup-processable (delq article gnus-newsgroup-processable))
9370 (when (gnus-summary-goto-subject article)
9371 (gnus-summary-show-thread)
9372 (gnus-summary-goto-subject article)
9373 (gnus-summary-update-secondary-mark article)))
9375 (defun gnus-summary-set-saved-mark (article)
9376 "Set the process mark on ARTICLE and update the summary line."
9377 (push article gnus-newsgroup-saved)
9378 (when (gnus-summary-goto-subject article)
9379 (gnus-summary-update-secondary-mark article)))
9381 (defun gnus-summary-mark-forward (n &optional mark no-expire)
9382 "Mark N articles as read forwards.
9383 If N is negative, mark backwards instead. Mark with MARK, ?r by default.
9384 The difference between N and the actual number of articles marked is
9386 Iff NO-EXPIRE, auto-expiry will be inhibited."
9388 (gnus-summary-show-thread)
9389 (let ((backward (< n 0))
9390 (gnus-summary-goto-unread
9391 (and gnus-summary-goto-unread
9392 (not (eq gnus-summary-goto-unread 'never))
9393 (not (memq mark (list gnus-unread-mark
9394 gnus-ticked-mark gnus-dormant-mark)))))
9396 (mark (or mark gnus-del-mark)))
9398 (gnus-summary-mark-article nil mark no-expire)
9399 (zerop (gnus-summary-next-subject
9401 (and gnus-summary-goto-unread
9402 (not (eq gnus-summary-goto-unread 'never)))
9406 (gnus-message 7 "No more %sarticles" (if mark "" "unread ")))
9407 (gnus-summary-recenter)
9408 (gnus-summary-position-point)
9409 (gnus-set-mode-line 'summary)
9412 (defun gnus-summary-mark-article-as-read (mark)
9413 "Mark the current article quickly as read with MARK."
9414 (let ((article (gnus-summary-article-number)))
9415 (setq gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
9416 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
9417 (setq gnus-newsgroup-spam-marked (delq article gnus-newsgroup-spam-marked))
9418 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
9419 (push (cons article mark) gnus-newsgroup-reads)
9420 ;; Possibly remove from cache, if that is used.
9421 (when gnus-use-cache
9422 (gnus-cache-enter-remove-article article))
9423 ;; Allow the backend to change the mark.
9424 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
9425 ;; Check for auto-expiry.
9426 (when (and gnus-newsgroup-auto-expire
9427 (memq mark gnus-auto-expirable-marks))
9428 (setq mark gnus-expirable-mark)
9429 ;; Let the backend know about the mark change.
9430 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
9431 (push article gnus-newsgroup-expirable))
9432 ;; Set the mark in the buffer.
9433 (gnus-summary-update-mark mark 'unread)
9436 (defun gnus-summary-mark-article-as-unread (mark)
9437 "Mark the current article quickly as unread with MARK."
9438 (let* ((article (gnus-summary-article-number))
9439 (old-mark (gnus-summary-article-mark article)))
9440 ;; Allow the backend to change the mark.
9441 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
9442 (if (eq mark old-mark)
9446 (gnus-error 1 "Can't mark negative article numbers")
9448 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
9449 (setq gnus-newsgroup-spam-marked (delq article gnus-newsgroup-spam-marked))
9450 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
9451 (setq gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable))
9452 (setq gnus-newsgroup-reads (delq article gnus-newsgroup-reads))
9453 (cond ((= mark gnus-ticked-mark)
9454 (setq gnus-newsgroup-marked
9455 (gnus-add-to-sorted-list gnus-newsgroup-marked
9457 ((= mark gnus-spam-mark)
9458 (setq gnus-newsgroup-spam-marked
9459 (gnus-add-to-sorted-list gnus-newsgroup-spam-marked
9461 ((= mark gnus-dormant-mark)
9462 (setq gnus-newsgroup-dormant
9463 (gnus-add-to-sorted-list gnus-newsgroup-dormant
9466 (setq gnus-newsgroup-unreads
9467 (gnus-add-to-sorted-list gnus-newsgroup-unreads
9469 (gnus-pull article gnus-newsgroup-reads)
9471 ;; See whether the article is to be put in the cache.
9473 (vectorp (gnus-summary-article-header article))
9475 (gnus-cache-possibly-enter-article
9476 gnus-newsgroup-name article
9477 (= mark gnus-ticked-mark)
9478 (= mark gnus-dormant-mark) (= mark gnus-unread-mark))))
9481 (gnus-summary-update-mark mark 'unread)
9484 (defun gnus-summary-mark-article (&optional article mark no-expire)
9485 "Mark ARTICLE with MARK. MARK can be any character.
9486 Four MARK strings are reserved: `? ' (unread), `?!' (ticked),
9487 `??' (dormant) and `?E' (expirable).
9488 If MARK is nil, then the default character `?r' is used.
9489 If ARTICLE is nil, then the article on the current line will be
9491 Iff NO-EXPIRE, auto-expiry will be inhibited."
9492 ;; The mark might be a string.
9493 (when (stringp mark)
9494 (setq mark (aref mark 0)))
9495 ;; If no mark is given, then we check auto-expiring.
9497 (setq mark gnus-del-mark))
9498 (when (and (not no-expire)
9499 gnus-newsgroup-auto-expire
9500 (memq mark gnus-auto-expirable-marks))
9501 (setq mark gnus-expirable-mark))
9502 (let ((article (or article (gnus-summary-article-number)))
9503 (old-mark (gnus-summary-article-mark article)))
9504 ;; Allow the backend to change the mark.
9505 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
9506 (if (eq mark old-mark)
9509 (error "No article on current line"))
9510 (if (not (if (or (= mark gnus-unread-mark)
9511 (= mark gnus-ticked-mark)
9512 (= mark gnus-spam-mark)
9513 (= mark gnus-dormant-mark))
9514 (gnus-mark-article-as-unread article mark)
9515 (gnus-mark-article-as-read article mark)))
9517 ;; See whether the article is to be put in the cache.
9519 (not (= mark gnus-canceled-mark))
9520 (vectorp (gnus-summary-article-header article))
9522 (gnus-cache-possibly-enter-article
9523 gnus-newsgroup-name article
9524 (= mark gnus-ticked-mark)
9525 (= mark gnus-dormant-mark) (= mark gnus-unread-mark))))
9527 (when (gnus-summary-goto-subject article nil t)
9528 (let ((buffer-read-only nil))
9529 (gnus-summary-show-thread)
9531 (gnus-summary-update-mark mark 'unread)
9534 (defun gnus-summary-update-secondary-mark (article)
9535 "Update the secondary (read, process, cache) mark."
9536 (gnus-summary-update-mark
9537 (cond ((memq article gnus-newsgroup-processable)
9539 ((memq article gnus-newsgroup-cached)
9541 ((memq article gnus-newsgroup-replied)
9543 ((memq article gnus-newsgroup-forwarded)
9544 gnus-forwarded-mark)
9545 ((memq article gnus-newsgroup-saved)
9547 ((memq article gnus-newsgroup-recent)
9549 ((memq article gnus-newsgroup-unseen)
9553 (when (gnus-visual-p 'summary-highlight 'highlight)
9554 (gnus-run-hooks 'gnus-summary-update-hook))
9557 (defun gnus-summary-update-mark (mark type)
9558 (let ((forward (cdr (assq type gnus-summary-mark-positions)))
9559 (buffer-read-only nil))
9560 (re-search-backward "[\n\r]" (gnus-point-at-bol) 'move-to-limit)
9562 (when (looking-at "\r")
9564 (when (<= (+ forward (point)) (point-max))
9565 ;; Go to the right position on the line.
9566 (goto-char (+ forward (point)))
9567 ;; Replace the old mark with the new mark.
9568 (subst-char-in-region (point) (1+ (point)) (char-after) mark)
9569 ;; Optionally update the marks by some user rule.
9570 (when (eq type 'unread)
9572 (gnus-data-find (gnus-summary-article-number)) mark)
9573 (gnus-summary-update-line (eq mark gnus-unread-mark)))))))
9575 (defun gnus-mark-article-as-read (article &optional mark)
9576 "Enter ARTICLE in the pertinent lists and remove it from others."
9577 ;; Make the article expirable.
9578 (let ((mark (or mark gnus-del-mark)))
9579 (setq gnus-newsgroup-expirable
9580 (if (= mark gnus-expirable-mark)
9581 (gnus-add-to-sorted-list gnus-newsgroup-expirable article)
9582 (delq article gnus-newsgroup-expirable)))
9583 ;; Remove from unread and marked lists.
9584 (setq gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
9585 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
9586 (setq gnus-newsgroup-spam-marked (delq article gnus-newsgroup-spam-marked))
9587 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
9588 (push (cons article mark) gnus-newsgroup-reads)
9589 ;; Possibly remove from cache, if that is used.
9590 (when gnus-use-cache
9591 (gnus-cache-enter-remove-article article))
9594 (defun gnus-mark-article-as-unread (article &optional mark)
9595 "Enter ARTICLE in the pertinent lists and remove it from others."
9596 (let ((mark (or mark gnus-ticked-mark)))
9599 (gnus-error 1 "Can't mark negative article numbers")
9601 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked)
9602 gnus-newsgroup-spam-marked (delq article gnus-newsgroup-spam-marked)
9603 gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant)
9604 gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable)
9605 gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
9607 ;; Unsuppress duplicates?
9608 (when gnus-suppress-duplicates
9609 (gnus-dup-unsuppress-article article))
9611 (cond ((= mark gnus-ticked-mark)
9612 (setq gnus-newsgroup-marked
9613 (gnus-add-to-sorted-list gnus-newsgroup-marked article)))
9614 ((= mark gnus-spam-mark)
9615 (setq gnus-newsgroup-spam-marked
9616 (gnus-add-to-sorted-list gnus-newsgroup-spam-marked article)))
9617 ((= mark gnus-dormant-mark)
9618 (setq gnus-newsgroup-dormant
9619 (gnus-add-to-sorted-list gnus-newsgroup-dormant article)))
9621 (setq gnus-newsgroup-unreads
9622 (gnus-add-to-sorted-list gnus-newsgroup-unreads article))))
9623 (gnus-pull article gnus-newsgroup-reads)
9626 (defalias 'gnus-summary-mark-as-unread-forward
9627 'gnus-summary-tick-article-forward)
9628 (make-obsolete 'gnus-summary-mark-as-unread-forward
9629 'gnus-summary-tick-article-forward)
9630 (defun gnus-summary-tick-article-forward (n)
9631 "Tick N articles forwards.
9632 If N is negative, tick backwards instead.
9633 The difference between N and the number of articles ticked is returned."
9635 (gnus-summary-mark-forward n gnus-ticked-mark))
9637 (defalias 'gnus-summary-mark-as-unread-backward
9638 'gnus-summary-tick-article-backward)
9639 (make-obsolete 'gnus-summary-mark-as-unread-backward
9640 'gnus-summary-tick-article-backward)
9641 (defun gnus-summary-tick-article-backward (n)
9642 "Tick N articles backwards.
9643 The difference between N and the number of articles ticked is returned."
9645 (gnus-summary-mark-forward (- n) gnus-ticked-mark))
9647 (defalias 'gnus-summary-mark-as-unread 'gnus-summary-tick-article)
9648 (make-obsolete 'gnus-summary-mark-as-unread 'gnus-summary-tick-article)
9649 (defun gnus-summary-tick-article (&optional article clear-mark)
9650 "Mark current article as unread.
9651 Optional 1st argument ARTICLE specifies article number to be marked as unread.
9652 Optional 2nd argument CLEAR-MARK remove any kinds of mark."
9654 (gnus-summary-mark-article article (if clear-mark gnus-unread-mark
9657 (defun gnus-summary-mark-as-read-forward (n)
9658 "Mark N articles as read forwards.
9659 If N is negative, mark backwards instead.
9660 The difference between N and the actual number of articles marked is
9663 (gnus-summary-mark-forward n gnus-del-mark gnus-inhibit-user-auto-expire))
9665 (defun gnus-summary-mark-as-read-backward (n)
9666 "Mark the N articles as read backwards.
9667 The difference between N and the actual number of articles marked is
9670 (gnus-summary-mark-forward
9671 (- n) gnus-del-mark gnus-inhibit-user-auto-expire))
9673 (defun gnus-summary-mark-as-read (&optional article mark)
9674 "Mark current article as read.
9675 ARTICLE specifies the article to be marked as read.
9676 MARK specifies a string to be inserted at the beginning of the line."
9677 (gnus-summary-mark-article article mark))
9679 (defun gnus-summary-clear-mark-forward (n)
9680 "Clear marks from N articles forward.
9681 If N is negative, clear backward instead.
9682 The difference between N and the number of marks cleared is returned."
9684 (gnus-summary-mark-forward n gnus-unread-mark))
9686 (defun gnus-summary-clear-mark-backward (n)
9687 "Clear marks from N articles backward.
9688 The difference between N and the number of marks cleared is returned."
9690 (gnus-summary-mark-forward (- n) gnus-unread-mark))
9692 (defun gnus-summary-mark-unread-as-read ()
9693 "Intended to be used by `gnus-summary-mark-article-hook'."
9694 (when (memq gnus-current-article gnus-newsgroup-unreads)
9695 (gnus-summary-mark-article gnus-current-article gnus-read-mark)))
9697 (defun gnus-summary-mark-read-and-unread-as-read ()
9698 "Intended to be used by `gnus-summary-mark-article-hook'."
9699 (let ((mark (gnus-summary-article-mark)))
9700 (when (or (gnus-unread-mark-p mark)
9701 (gnus-read-mark-p mark))
9702 (gnus-summary-mark-article gnus-current-article gnus-read-mark))))
9704 (defun gnus-summary-mark-unread-as-ticked ()
9705 "Intended to be used by `gnus-summary-mark-article-hook'."
9706 (when (memq gnus-current-article gnus-newsgroup-unreads)
9707 (gnus-summary-mark-article gnus-current-article gnus-ticked-mark)))
9709 (defun gnus-summary-mark-region-as-read (point mark all)
9710 "Mark all unread articles between point and mark as read.
9711 If given a prefix, mark all articles between point and mark as read,
9712 even ticked and dormant ones."
9713 (interactive "r\nP")
9722 (memq (setq article (gnus-summary-article-number))
9723 gnus-newsgroup-unreads))
9724 (gnus-summary-mark-article article gnus-del-mark))
9726 (gnus-summary-find-next))))))
9728 (defun gnus-summary-mark-below (score mark)
9729 "Mark articles with score less than SCORE with MARK."
9730 (interactive "P\ncMark: ")
9731 (setq score (if score
9732 (prefix-numeric-value score)
9733 (or gnus-summary-default-score 0)))
9735 (set-buffer gnus-summary-buffer)
9736 (goto-char (point-min))
9739 (and (< (gnus-summary-article-score) score)
9740 (gnus-summary-mark-article nil mark))
9741 (gnus-summary-find-next)))))
9743 (defun gnus-summary-kill-below (&optional score)
9744 "Mark articles with score below SCORE as read."
9746 (gnus-summary-mark-below score gnus-killed-mark))
9748 (defun gnus-summary-clear-above (&optional score)
9749 "Clear all marks from articles with score above SCORE."
9751 (gnus-summary-mark-above score gnus-unread-mark))
9753 (defun gnus-summary-tick-above (&optional score)
9754 "Tick all articles with score above SCORE."
9756 (gnus-summary-mark-above score gnus-ticked-mark))
9758 (defun gnus-summary-mark-above (score mark)
9759 "Mark articles with score over SCORE with MARK."
9760 (interactive "P\ncMark: ")
9761 (setq score (if score
9762 (prefix-numeric-value score)
9763 (or gnus-summary-default-score 0)))
9765 (set-buffer gnus-summary-buffer)
9766 (goto-char (point-min))
9768 (when (> (gnus-summary-article-score) score)
9769 (gnus-summary-mark-article nil mark))
9771 (gnus-summary-find-next)))))
9773 ;; Suggested by Daniel Quinlan <quinlan@best.com>.
9774 (defalias 'gnus-summary-show-all-expunged 'gnus-summary-limit-include-expunged)
9775 (defun gnus-summary-limit-include-expunged (&optional no-error)
9776 "Display all the hidden articles that were expunged for low scores."
9778 (let ((buffer-read-only nil))
9779 (let ((scored gnus-newsgroup-scored)
9782 (unless (gnus-summary-article-header (caar scored))
9783 (and (setq h (gnus-number-to-header (caar scored)))
9784 (< (cdar scored) gnus-summary-expunge-below)
9786 (setq scored (cdr scored)))
9788 (when (not no-error)
9789 (error "No expunged articles hidden"))
9790 (goto-char (point-min))
9791 (push gnus-newsgroup-limit gnus-newsgroup-limits)
9792 (setq gnus-newsgroup-limit (copy-sequence gnus-newsgroup-limit))
9793 (mapcar (lambda (x) (push (mail-header-number x)
9794 gnus-newsgroup-limit))
9796 (gnus-summary-prepare-unthreaded (nreverse headers))
9797 (goto-char (point-min))
9798 (gnus-summary-position-point)
9801 (defun gnus-summary-catchup (&optional all quietly to-here not-mark reverse)
9802 "Mark all unread articles in this newsgroup as read.
9803 If prefix argument ALL is non-nil, ticked and dormant articles will
9804 also be marked as read.
9805 If QUIETLY is non-nil, no questions will be asked.
9806 If TO-HERE is non-nil, it should be a point in the buffer. All
9807 articles before (after, if REVERSE is set) this point will be marked as read.
9808 Note that this function will only catch up the unread article
9809 in the current summary buffer limitation.
9810 The number of articles marked as read is returned."
9815 (not gnus-interactive-catchup) ;Without confirmation?
9819 "Mark absolutely all articles as read? "
9820 "Mark all unread articles as read? ")))
9822 (not gnus-newsgroup-adaptive)
9823 (not gnus-newsgroup-auto-expire)
9824 (not gnus-suppress-duplicates)
9825 (or (not gnus-use-cache)
9826 (eq gnus-use-cache 'passive)))
9829 (setq gnus-newsgroup-marked nil
9830 gnus-newsgroup-spam-marked nil
9831 gnus-newsgroup-dormant nil))
9832 (setq gnus-newsgroup-unreads gnus-newsgroup-downloadable))
9833 ;; We actually mark all articles as canceled, which we
9834 ;; have to do when using auto-expiry or adaptive scoring.
9835 (gnus-summary-show-all-threads)
9836 (if (and to-here reverse)
9840 (gnus-summary-mark-article-as-read gnus-catchup-mark)
9841 (gnus-summary-find-next (not all) nil nil t))))
9842 (when (gnus-summary-first-subject (not all) t)
9844 (if to-here (< (point) to-here) t)
9845 (gnus-summary-mark-article-as-read gnus-catchup-mark)
9846 (gnus-summary-find-next (not all) nil nil t)))))
9847 (gnus-set-mode-line 'summary))
9849 (gnus-summary-position-point)))
9851 (defun gnus-summary-catchup-to-here (&optional all)
9852 "Mark all unticked articles before the current one as read.
9853 If ALL is non-nil, also mark ticked and dormant articles as read."
9856 (gnus-save-hidden-threads
9857 (let ((beg (point)))
9858 ;; We check that there are unread articles.
9859 (when (or all (gnus-summary-find-prev))
9860 (gnus-summary-catchup all t beg)))))
9861 (gnus-summary-position-point))
9863 (defun gnus-summary-catchup-from-here (&optional all)
9864 "Mark all unticked articles after the current one as read.
9865 If ALL is non-nil, also mark ticked and dormant articles as read."
9868 (gnus-save-hidden-threads
9869 (let ((beg (point)))
9870 ;; We check that there are unread articles.
9871 (when (or all (gnus-summary-find-next))
9872 (gnus-summary-catchup all t beg nil t)))))
9874 (gnus-summary-position-point))
9875 (defun gnus-summary-catchup-all (&optional quietly)
9876 "Mark all articles in this newsgroup as read."
9878 (gnus-summary-catchup t quietly))
9880 (defun gnus-summary-catchup-and-exit (&optional all quietly)
9881 "Mark all unread articles in this group as read, then exit.
9882 If prefix argument ALL is non-nil, all articles are marked as read.
9883 If QUIETLY is non-nil, no questions will be asked."
9885 (when (gnus-summary-catchup all quietly nil 'fast)
9886 ;; Select next newsgroup or exit.
9887 (if (and (not (gnus-group-quit-config gnus-newsgroup-name))
9888 (eq gnus-auto-select-next 'quietly))
9889 (gnus-summary-next-group nil)
9890 (gnus-summary-exit))))
9892 (defun gnus-summary-catchup-all-and-exit (&optional quietly)
9893 "Mark all articles in this newsgroup as read, and then exit."
9895 (gnus-summary-catchup-and-exit t quietly))
9897 (defun gnus-summary-catchup-and-goto-next-group (&optional all)
9898 "Mark all articles in this group as read and select the next group.
9899 If given a prefix, mark all articles, unread as well as ticked, as
9903 (gnus-summary-catchup all))
9904 (gnus-summary-next-group))
9910 (defmacro gnus-with-article (article &rest forms)
9911 "Select ARTICLE and perform FORMS in the original article buffer.
9912 Then replace the article with the result."
9914 ;; We don't want the article to be marked as read.
9915 (let (gnus-mark-article-hook)
9916 (gnus-summary-select-article t t nil ,article))
9917 (set-buffer gnus-original-article-buffer)
9919 (if (not (gnus-check-backend-function
9920 'request-replace-article (car gnus-article-current)))
9921 (gnus-message 5 "Read-only group; not replacing")
9922 (unless (gnus-request-replace-article
9923 ,article (car gnus-article-current)
9925 (error "Couldn't replace article")))
9926 ;; The cache and backlog have to be flushed somewhat.
9927 (when gnus-keep-backlog
9928 (gnus-backlog-remove-article
9929 (car gnus-article-current) (cdr gnus-article-current)))
9930 (when gnus-use-cache
9931 (gnus-cache-update-article
9932 (car gnus-article-current) (cdr gnus-article-current)))))
9934 (put 'gnus-with-article 'lisp-indent-function 1)
9935 (put 'gnus-with-article 'edebug-form-spec '(form body))
9937 ;; Thread-based commands.
9939 (defun gnus-summary-articles-in-thread (&optional article)
9940 "Return a list of all articles in the current thread.
9941 If ARTICLE is non-nil, return all articles in the thread that starts
9943 (let* ((article (or article (gnus-summary-article-number)))
9944 (data (gnus-data-find-list article))
9945 (top-level (gnus-data-level (car data)))
9947 (cond ((null gnus-thread-operation-ignore-subject)
9948 (gnus-simplify-subject-re
9949 (mail-header-subject (gnus-data-header (car data)))))
9950 ((eq gnus-thread-operation-ignore-subject 'fuzzy)
9951 (gnus-simplify-subject-fuzzy
9952 (mail-header-subject (gnus-data-header (car data)))))
9954 (end-point (save-excursion
9955 (if (gnus-summary-go-to-next-thread)
9956 (point) (point-max))))
9959 (< (gnus-data-pos (car data)) end-point))
9960 (when (or (not top-subject)
9961 (string= top-subject
9962 (if (eq gnus-thread-operation-ignore-subject 'fuzzy)
9963 (gnus-simplify-subject-fuzzy
9964 (mail-header-subject
9965 (gnus-data-header (car data))))
9966 (gnus-simplify-subject-re
9967 (mail-header-subject
9968 (gnus-data-header (car data)))))))
9969 (push (gnus-data-number (car data)) articles))
9970 (unless (and (setq data (cdr data))
9971 (> (gnus-data-level (car data)) top-level))
9973 ;; Return the list of articles.
9974 (nreverse articles)))
9976 (defun gnus-summary-rethread-current ()
9977 "Rethread the thread the current article is part of."
9979 (let* ((gnus-show-threads t)
9980 (article (gnus-summary-article-number))
9981 (id (mail-header-id (gnus-summary-article-header)))
9982 (gnus-newsgroup-threads (list (gnus-id-to-thread (gnus-root-id id)))))
9984 (error "No article on the current line"))
9985 (gnus-rebuild-thread id)
9986 (gnus-summary-goto-subject article)))
9988 (defun gnus-summary-reparent-thread ()
9989 "Make the current article child of the marked (or previous) article.
9991 Note that the re-threading will only work if `gnus-thread-ignore-subject'
9992 is non-nil or the Subject: of both articles are the same."
9994 (unless (not (gnus-group-read-only-p))
9995 (error "The current newsgroup does not support article editing"))
9996 (unless (<= (length gnus-newsgroup-processable) 1)
9997 (error "No more than one article may be marked"))
9998 (save-window-excursion
9999 (let ((gnus-article-buffer " *reparent*")
10000 (current-article (gnus-summary-article-number))
10001 ;; First grab the marked article, otherwise one line up.
10002 (parent-article (if (not (null gnus-newsgroup-processable))
10003 (car gnus-newsgroup-processable)
10005 (if (eq (forward-line -1) 0)
10006 (gnus-summary-article-number)
10007 (error "Beginning of summary buffer"))))))
10008 (unless (not (eq current-article parent-article))
10009 (error "An article may not be self-referential"))
10010 (let ((message-id (mail-header-id
10011 (gnus-summary-article-header parent-article))))
10012 (unless (and message-id (not (equal message-id "")))
10013 (error "No message-id in desired parent"))
10014 (gnus-with-article current-article
10016 (goto-char (point-min))
10017 (message-narrow-to-head)
10018 (if (re-search-forward "^References: " nil t)
10020 (re-search-forward "^[^ \t]" nil t)
10023 (insert " " message-id))
10024 (insert "References: " message-id "\n"))))
10025 (set-buffer gnus-summary-buffer)
10026 (gnus-summary-unmark-all-processable)
10027 (gnus-summary-update-article current-article)
10028 (if (gnus-summary-goto-subject (cdr gnus-article-current) nil t)
10029 (gnus-summary-update-secondary-mark (cdr gnus-article-current)))
10030 (gnus-summary-rethread-current)
10031 (gnus-message 3 "Article %d is now the child of article %d"
10032 current-article parent-article)))))
10034 (defun gnus-summary-toggle-threads (&optional arg)
10035 "Toggle showing conversation threads.
10036 If ARG is positive number, turn showing conversation threads on."
10038 (let ((current (or (gnus-summary-article-number) gnus-newsgroup-end)))
10039 (setq gnus-show-threads
10040 (if (null arg) (not gnus-show-threads)
10041 (> (prefix-numeric-value arg) 0)))
10042 (gnus-summary-prepare)
10043 (gnus-summary-goto-subject current)
10044 (gnus-message 6 "Threading is now %s" (if gnus-show-threads "on" "off"))
10045 (gnus-summary-position-point)))
10047 (defun gnus-summary-show-all-threads ()
10048 "Show all threads."
10051 (let ((buffer-read-only nil))
10052 (subst-char-in-region (point-min) (point-max) ?\^M ?\n t)))
10053 (gnus-summary-position-point))
10055 (defun gnus-summary-show-thread ()
10056 "Show thread subtrees.
10057 Returns nil if no thread was there to be shown."
10059 (let ((buffer-read-only nil)
10061 ;; first goto end then to beg, to have point at beg after let
10062 (end (progn (end-of-line) (point)))
10063 (beg (progn (beginning-of-line) (point))))
10065 ;; Any hidden lines here?
10066 (search-forward "\r" end t)
10067 (subst-char-in-region beg end ?\^M ?\n t)
10069 (gnus-summary-position-point))))
10071 (defun gnus-summary-maybe-hide-threads ()
10072 "If requested, hide the threads that should be hidden."
10073 (when (and gnus-show-threads
10074 gnus-thread-hide-subtree)
10075 (gnus-summary-hide-all-threads
10076 (if (or (consp gnus-thread-hide-subtree)
10077 (gnus-functionp gnus-thread-hide-subtree))
10078 (gnus-make-predicate gnus-thread-hide-subtree)
10081 ;;; Hiding predicates.
10083 (defun gnus-article-unread-p (header)
10084 (memq (mail-header-number header) gnus-newsgroup-unreads))
10086 (defun gnus-article-unseen-p (header)
10087 (memq (mail-header-number header) gnus-newsgroup-unseen))
10089 (defun gnus-map-articles (predicate articles)
10090 "Map PREDICATE over ARTICLES and return non-nil if any predicate is non-nil."
10091 (apply 'gnus-or (mapcar predicate
10092 (mapcar 'gnus-summary-article-header articles))))
10094 (defun gnus-summary-hide-all-threads (&optional predicate)
10095 "Hide all thread subtrees.
10096 If PREDICATE is supplied, threads that satisfy this predicate
10097 will not be hidden."
10100 (goto-char (point-min))
10103 (when (or (not predicate)
10105 predicate (gnus-summary-article-children)))
10106 (gnus-summary-hide-thread))
10107 (setq end (not (zerop (gnus-summary-next-thread 1 t)))))))
10108 (gnus-summary-position-point))
10110 (defun gnus-summary-hide-thread ()
10111 "Hide thread subtrees.
10112 If PREDICATE is supplied, threads that satisfy this predicate
10113 will not be hidden.
10114 Returns nil if no threads were there to be hidden."
10116 (let ((buffer-read-only nil)
10118 (article (gnus-summary-article-number)))
10120 ;; Go forward until either the buffer ends or the subthread
10122 (when (and (not (eobp))
10123 (or (zerop (gnus-summary-next-thread 1 t))
10124 (goto-char (point-max))))
10126 (if (and (> (point) start)
10127 (search-backward "\n" start t))
10129 (subst-char-in-region start (point) ?\n ?\^M)
10130 (gnus-summary-goto-subject article))
10134 (defun gnus-summary-go-to-next-thread (&optional previous)
10135 "Go to the same level (or less) next thread.
10136 If PREVIOUS is non-nil, go to previous thread instead.
10137 Return the article number moved to, or nil if moving was impossible."
10138 (let ((level (gnus-summary-thread-level))
10139 (way (if previous -1 1))
10142 (while (and (not (eobp))
10143 (< level (gnus-summary-thread-level)))
10144 (forward-line way))
10151 (gnus-summary-article-number)
10152 (goto-char beg)))))
10154 (defun gnus-summary-next-thread (n &optional silent)
10155 "Go to the same level next N'th thread.
10156 If N is negative, search backward instead.
10157 Returns the difference between N and the number of skips actually
10160 If SILENT, don't output messages."
10162 (let ((backward (< n 0))
10164 (while (and (> n 0)
10165 (gnus-summary-go-to-next-thread backward))
10168 (gnus-summary-position-point))
10169 (when (and (not silent) (/= 0 n))
10170 (gnus-message 7 "No more threads"))
10173 (defun gnus-summary-prev-thread (n)
10174 "Go to the same level previous N'th thread.
10175 Returns the difference between N and the number of skips actually
10178 (gnus-summary-next-thread (- n)))
10180 (defun gnus-summary-go-down-thread ()
10181 "Go down one level in the current thread."
10182 (let ((children (gnus-summary-article-children)))
10184 (gnus-summary-goto-subject (car children)))))
10186 (defun gnus-summary-go-up-thread ()
10187 "Go up one level in the current thread."
10188 (let ((parent (gnus-summary-article-parent)))
10190 (gnus-summary-goto-subject parent))))
10192 (defun gnus-summary-down-thread (n)
10193 "Go down thread N steps.
10194 If N is negative, go up instead.
10195 Returns the difference between N and how many steps down that were
10200 (while (and (> n 0)
10201 (if up (gnus-summary-go-up-thread)
10202 (gnus-summary-go-down-thread)))
10204 (gnus-summary-position-point)
10206 (gnus-message 7 "Can't go further"))
10209 (defun gnus-summary-up-thread (n)
10210 "Go up thread N steps.
10211 If N is negative, go down instead.
10212 Returns the difference between N and how many steps down that were
10215 (gnus-summary-down-thread (- n)))
10217 (defun gnus-summary-top-thread ()
10218 "Go to the top of the thread."
10220 (while (gnus-summary-go-up-thread))
10221 (gnus-summary-article-number))
10223 (defun gnus-summary-kill-thread (&optional unmark)
10224 "Mark articles under current thread as read.
10225 If the prefix argument is positive, remove any kinds of marks.
10226 If the prefix argument is negative, tick articles instead."
10229 (setq unmark (prefix-numeric-value unmark)))
10230 (let ((articles (gnus-summary-articles-in-thread)))
10232 ;; Expand the thread.
10233 (gnus-summary-show-thread)
10234 ;; Mark all the articles.
10236 (gnus-summary-goto-subject (car articles))
10237 (cond ((null unmark)
10238 (gnus-summary-mark-article-as-read gnus-killed-mark))
10240 (gnus-summary-mark-article-as-unread gnus-unread-mark))
10242 (gnus-summary-mark-article-as-unread gnus-ticked-mark)))
10243 (setq articles (cdr articles))))
10244 ;; Hide killed subtrees.
10246 gnus-thread-hide-killed
10247 (gnus-summary-hide-thread))
10248 ;; If marked as read, go to next unread subject.
10249 (when (null unmark)
10250 ;; Go to next unread subject.
10251 (gnus-summary-next-subject 1 t)))
10252 (gnus-set-mode-line 'summary))
10254 ;; Summary sorting commands
10256 (defun gnus-summary-sort-by-number (&optional reverse)
10257 "Sort the summary buffer by article number.
10258 Argument REVERSE means reverse order."
10260 (gnus-summary-sort 'number reverse))
10262 (defun gnus-summary-sort-by-random (&optional reverse)
10263 "Randomize the order in the summary buffer.
10264 Argument REVERSE means to randomize in reverse order."
10266 (gnus-summary-sort 'random reverse))
10268 (defun gnus-summary-sort-by-author (&optional reverse)
10269 "Sort the summary buffer by author name alphabetically.
10270 If `case-fold-search' is non-nil, case of letters is ignored.
10271 Argument REVERSE means reverse order."
10273 (gnus-summary-sort 'author reverse))
10275 (defun gnus-summary-sort-by-subject (&optional reverse)
10276 "Sort the summary buffer by subject alphabetically. `Re:'s are ignored.
10277 If `case-fold-search' is non-nil, case of letters is ignored.
10278 Argument REVERSE means reverse order."
10280 (gnus-summary-sort 'subject reverse))
10282 (defun gnus-summary-sort-by-date (&optional reverse)
10283 "Sort the summary buffer by date.
10284 Argument REVERSE means reverse order."
10286 (gnus-summary-sort 'date reverse))
10288 (defun gnus-summary-sort-by-score (&optional reverse)
10289 "Sort the summary buffer by score.
10290 Argument REVERSE means reverse order."
10292 (gnus-summary-sort 'score reverse))
10294 (defun gnus-summary-sort-by-lines (&optional reverse)
10295 "Sort the summary buffer by the number of lines.
10296 Argument REVERSE means reverse order."
10298 (gnus-summary-sort 'lines reverse))
10300 (defun gnus-summary-sort-by-chars (&optional reverse)
10301 "Sort the summary buffer by article length.
10302 Argument REVERSE means reverse order."
10304 (gnus-summary-sort 'chars reverse))
10306 (defun gnus-summary-sort-by-original (&optional reverse)
10307 "Sort the summary buffer using the default sorting method.
10308 Argument REVERSE means reverse order."
10310 (let* ((buffer-read-only)
10311 (gnus-summary-prepare-hook nil))
10312 ;; We do the sorting by regenerating the threads.
10313 (gnus-summary-prepare)
10314 ;; Hide subthreads if needed.
10315 (gnus-summary-maybe-hide-threads)))
10317 (defun gnus-summary-sort (predicate reverse)
10318 "Sort summary buffer by PREDICATE. REVERSE means reverse order."
10319 (let* ((thread (intern (format "gnus-thread-sort-by-%s" predicate)))
10320 (article (intern (format "gnus-article-sort-by-%s" predicate)))
10321 (gnus-thread-sort-functions
10326 (gnus-sort-gathered-threads-function
10327 gnus-thread-sort-functions)
10328 (gnus-article-sort-functions
10332 (,article t2 t1))))
10334 (gnus-summary-prepare-hook nil))
10335 ;; We do the sorting by regenerating the threads.
10336 (gnus-summary-prepare)
10337 ;; Hide subthreads if needed.
10338 (gnus-summary-maybe-hide-threads)))
10340 ;; Summary saving commands.
10342 (defun gnus-summary-save-article (&optional n not-saved)
10343 "Save the current article using the default saver function.
10344 If N is a positive number, save the N next articles.
10345 If N is a negative number, save the N previous articles.
10346 If N is nil and any articles have been marked with the process mark,
10347 save those articles instead.
10348 The variable `gnus-default-article-saver' specifies the saver function."
10350 (let* ((articles (gnus-summary-work-articles n))
10351 (save-buffer (save-excursion
10352 (nnheader-set-temp-buffer " *Gnus Save*")))
10353 (num (length articles))
10355 (dolist (article articles)
10356 (setq header (gnus-summary-article-header article))
10357 (if (not (vectorp header))
10358 ;; This is a pseudo-article.
10359 (if (assq 'name header)
10360 (gnus-copy-file (cdr (assq 'name header)))
10361 (gnus-message 1 "Article %d is unsaveable" article))
10362 ;; This is a real article.
10363 (save-window-excursion
10364 (let ((gnus-display-mime-function nil)
10365 (gnus-article-prepare-hook nil))
10366 (gnus-summary-select-article t nil nil article)))
10368 (set-buffer save-buffer)
10370 (insert-buffer-substring gnus-original-article-buffer))
10371 (setq file (gnus-article-save save-buffer file num))
10372 (gnus-summary-remove-process-mark article)
10374 (gnus-summary-set-saved-mark article))))
10375 (gnus-kill-buffer save-buffer)
10376 (gnus-summary-position-point)
10377 (gnus-set-mode-line 'summary)
10380 (defun gnus-summary-pipe-output (&optional arg)
10381 "Pipe the current article to a subprocess.
10382 If N is a positive number, pipe the N next articles.
10383 If N is a negative number, pipe the N previous articles.
10384 If N is nil and any articles have been marked with the process mark,
10385 pipe those articles instead."
10387 (require 'gnus-art)
10388 (let ((gnus-default-article-saver 'gnus-summary-save-in-pipe))
10389 (gnus-summary-save-article arg t))
10390 (let ((buffer (get-buffer "*Shell Command Output*")))
10392 (with-current-buffer buffer (> (point-max) (point-min))))
10393 (gnus-configure-windows 'pipe))))
10395 (defun gnus-summary-save-article-mail (&optional arg)
10396 "Append the current article to an mail file.
10397 If N is a positive number, save the N next articles.
10398 If N is a negative number, save the N previous articles.
10399 If N is nil and any articles have been marked with the process mark,
10400 save those articles instead."
10402 (require 'gnus-art)
10403 (let ((gnus-default-article-saver 'gnus-summary-save-in-mail))
10404 (gnus-summary-save-article arg)))
10406 (defun gnus-summary-save-article-rmail (&optional arg)
10407 "Append the current article to an rmail file.
10408 If N is a positive number, save the N next articles.
10409 If N is a negative number, save the N previous articles.
10410 If N is nil and any articles have been marked with the process mark,
10411 save those articles instead."
10413 (require 'gnus-art)
10414 (let ((gnus-default-article-saver 'gnus-summary-save-in-rmail))
10415 (gnus-summary-save-article arg)))
10417 (defun gnus-summary-save-article-file (&optional arg)
10418 "Append the current article to a file.
10419 If N is a positive number, save the N next articles.
10420 If N is a negative number, save the N previous articles.
10421 If N is nil and any articles have been marked with the process mark,
10422 save those articles instead."
10424 (require 'gnus-art)
10425 (let ((gnus-default-article-saver 'gnus-summary-save-in-file))
10426 (gnus-summary-save-article arg)))
10428 (defun gnus-summary-write-article-file (&optional arg)
10429 "Write the current article to a file, deleting the previous file.
10430 If N is a positive number, save the N next articles.
10431 If N is a negative number, save the N previous articles.
10432 If N is nil and any articles have been marked with the process mark,
10433 save those articles instead."
10435 (require 'gnus-art)
10436 (let ((gnus-default-article-saver 'gnus-summary-write-to-file))
10437 (gnus-summary-save-article arg)))
10439 (defun gnus-summary-save-article-body-file (&optional arg)
10440 "Append the current article body to a file.
10441 If N is a positive number, save the N next articles.
10442 If N is a negative number, save the N previous articles.
10443 If N is nil and any articles have been marked with the process mark,
10444 save those articles instead."
10446 (require 'gnus-art)
10447 (let ((gnus-default-article-saver 'gnus-summary-save-body-in-file))
10448 (gnus-summary-save-article arg)))
10450 (defun gnus-summary-muttprint (&optional arg)
10451 "Print the current article using Muttprint.
10452 If N is a positive number, save the N next articles.
10453 If N is a negative number, save the N previous articles.
10454 If N is nil and any articles have been marked with the process mark,
10455 save those articles instead."
10457 (require 'gnus-art)
10458 (let ((gnus-default-article-saver 'gnus-summary-pipe-to-muttprint))
10459 (gnus-summary-save-article arg t)))
10461 (defun gnus-summary-pipe-message (program)
10462 "Pipe the current article through PROGRAM."
10463 (interactive "sProgram: ")
10464 (gnus-summary-select-article)
10465 (let ((mail-header-separator ""))
10466 (gnus-eval-in-buffer-window gnus-article-buffer
10469 (let ((start (window-start))
10471 (message-pipe-buffer-body program)
10472 (set-window-start (get-buffer-window (current-buffer)) start))))))
10474 (defun gnus-get-split-value (methods)
10475 "Return a value based on the split METHODS."
10476 (let (split-name method result match)
10479 (set-buffer gnus-original-article-buffer)
10481 (nnheader-narrow-to-headers)
10482 (while (and methods (not split-name))
10483 (goto-char (point-min))
10484 (setq method (pop methods))
10485 (setq match (car method))
10488 ;; Regular expression.
10490 (re-search-forward match nil t)))
10491 ((gnus-functionp match)
10495 (setq result (funcall match gnus-newsgroup-name))))
10500 (setq result (eval match)))))
10501 (setq split-name (cdr method))
10502 (cond ((stringp result)
10503 (push (expand-file-name
10504 result gnus-article-save-directory)
10507 (setq split-name (append result split-name)))))))))
10508 (nreverse split-name)))
10510 (defun gnus-valid-move-group-p (group)
10511 (and (boundp group)
10512 (symbol-name group)
10513 (symbol-value group)
10514 (gnus-get-function (gnus-find-method-for-group
10515 (symbol-name group)) 'request-accept-article t)))
10517 (defun gnus-read-move-group-name (prompt default articles prefix)
10518 "Read a group name."
10519 (let* ((split-name (gnus-get-split-value gnus-move-split-methods))
10520 (minibuffer-confirm-incomplete nil) ; XEmacs
10522 (format "%s %s to:"
10524 (if (> (length articles) 1)
10525 (format "these %d articles" (length articles))
10530 (gnus-completing-read-with-default
10533 'gnus-valid-move-group-p
10535 'gnus-group-history))
10536 ((= 1 (length split-name))
10537 (gnus-completing-read-with-default
10538 (car split-name) prom
10540 'gnus-valid-move-group-p
10542 'gnus-group-history))
10544 (gnus-completing-read-with-default
10546 (mapcar (lambda (el) (list el))
10547 (nreverse split-name))
10549 'gnus-group-history))))
10550 (to-method (gnus-server-to-method (gnus-group-method to-newsgroup))))
10552 (if (or (string= to-newsgroup "")
10553 (string= to-newsgroup prefix))
10554 (setq to-newsgroup default))
10555 (unless to-newsgroup
10556 (error "No group name entered"))
10557 (or (gnus-active to-newsgroup)
10558 (gnus-activate-group to-newsgroup nil nil to-method)
10559 (if (gnus-y-or-n-p (format "No such group: %s. Create it? "
10561 (or (and (gnus-request-create-group to-newsgroup to-method)
10562 (gnus-activate-group
10563 to-newsgroup nil nil to-method)
10564 (gnus-subscribe-group to-newsgroup))
10565 (error "Couldn't create group %s" to-newsgroup)))
10566 (error "No such group: %s" to-newsgroup)))
10569 (defun gnus-summary-save-parts (type dir n &optional reverse)
10570 "Save parts matching TYPE to DIR.
10571 If REVERSE, save parts that do not match TYPE."
10573 (list (read-string "Save parts of type: "
10574 (or (car gnus-summary-save-parts-type-history)
10575 gnus-summary-save-parts-default-mime)
10576 'gnus-summary-save-parts-type-history)
10577 (setq gnus-summary-save-parts-last-directory
10578 (read-file-name "Save to directory: "
10579 gnus-summary-save-parts-last-directory
10581 current-prefix-arg))
10582 (gnus-summary-iterate n
10583 (let ((gnus-display-mime-function nil)
10584 (gnus-inhibit-treatment t))
10585 (gnus-summary-select-article))
10587 (set-buffer gnus-article-buffer)
10588 (let ((handles (or gnus-article-mime-handles
10589 (mm-dissect-buffer nil gnus-article-loose-mime)
10592 (gnus-summary-save-parts-1 type dir handles reverse)
10593 (unless gnus-article-mime-handles ;; Don't destroy this case.
10594 (mm-destroy-parts handles)))))))
10596 (defun gnus-summary-save-parts-1 (type dir handle reverse)
10597 (if (stringp (car handle))
10598 (mapcar (lambda (h) (gnus-summary-save-parts-1 type dir h reverse))
10601 (not (string-match type (mm-handle-media-type handle)))
10602 (string-match type (mm-handle-media-type handle)))
10603 (let ((file (expand-file-name
10604 (file-name-nondirectory
10606 (mail-content-type-get
10607 (mm-handle-disposition handle) 'filename)
10608 (concat gnus-newsgroup-name
10609 "." (number-to-string
10610 (cdr gnus-article-current)))))
10612 (unless (file-exists-p file)
10613 (mm-save-part-to-file handle file))))))
10615 ;; Summary extract commands
10617 (defun gnus-summary-insert-pseudos (pslist &optional not-view)
10618 (let ((buffer-read-only nil)
10619 (article (gnus-summary-article-number))
10621 (unless (gnus-summary-goto-subject article)
10622 (error "No such article: %d" article))
10623 (gnus-summary-position-point)
10624 ;; If all commands are to be bunched up on one line, we collect
10626 (unless gnus-view-pseudos-separately
10627 (let ((ps (setq pslist (sort pslist 'gnus-pseudos<)))
10630 (setq action (cdr (assq 'action (car ps))))
10631 (setq files (list (cdr (assq 'name (car ps)))))
10632 (while (and ps (cdr ps)
10633 (string= (or action "1")
10634 (or (cdr (assq 'action (cadr ps))) "2")))
10635 (push (cdr (assq 'name (cadr ps))) files)
10636 (setcdr ps (cddr ps)))
10638 (when (not (string-match "%s" action))
10641 (when (assq 'execute (car ps))
10642 (setcdr (assq 'execute (car ps))
10643 (funcall (if (string-match "%s" action)
10652 (setq ps (cdr ps)))))
10653 (if (and gnus-view-pseudos (not not-view))
10655 (when (assq 'execute (car pslist))
10656 (gnus-execute-command (cdr (assq 'execute (car pslist)))
10657 (eq gnus-view-pseudos 'not-confirm)))
10658 (setq pslist (cdr pslist)))
10661 (setq after-article (or (cdr (assq 'article (car pslist)))
10662 (gnus-summary-article-number)))
10663 (gnus-summary-goto-subject after-article)
10666 (insert " " (file-name-nondirectory
10667 (cdr (assq 'name (car pslist))))
10668 ": " (or (cdr (assq 'execute (car pslist))) "") "\n")
10670 (forward-line -1) ; back to `b'
10671 (gnus-add-text-properties
10672 b (1- e) (list 'gnus-number gnus-reffed-article-number
10673 gnus-mouse-face-prop gnus-mouse-face))
10675 after-article gnus-reffed-article-number
10676 gnus-unread-mark b (car pslist) 0 (- e b))
10677 (setq gnus-newsgroup-unreads
10678 (gnus-add-to-sorted-list gnus-newsgroup-unreads
10679 gnus-reffed-article-number))
10680 (setq gnus-reffed-article-number (1- gnus-reffed-article-number))
10681 (setq pslist (cdr pslist)))))))
10683 (defun gnus-pseudos< (p1 p2)
10684 (let ((c1 (cdr (assq 'action p1)))
10685 (c2 (cdr (assq 'action p2))))
10686 (and c1 c2 (string< c1 c2))))
10688 (defun gnus-request-pseudo-article (props)
10689 (cond ((assq 'execute props)
10690 (gnus-execute-command (cdr (assq 'execute props)))))
10691 (let ((gnus-current-article (gnus-summary-article-number)))
10692 (gnus-run-hooks 'gnus-mark-article-hook)))
10694 (defun gnus-execute-command (command &optional automatic)
10696 (gnus-article-setup-buffer)
10697 (set-buffer gnus-article-buffer)
10698 (setq buffer-read-only nil)
10699 (let ((command (if automatic command
10700 (read-string "Command: " (cons command 0)))))
10702 (insert "$ " command "\n\n")
10703 (if gnus-view-pseudo-asynchronously
10704 (start-process "gnus-execute" (current-buffer) shell-file-name
10705 shell-command-switch command)
10706 (call-process shell-file-name nil t nil
10707 shell-command-switch command)))))
10709 ;; Summary kill commands.
10711 (defun gnus-summary-edit-global-kill (article)
10712 "Edit the \"global\" kill file."
10713 (interactive (list (gnus-summary-article-number)))
10714 (gnus-group-edit-global-kill article))
10716 (defun gnus-summary-edit-local-kill ()
10717 "Edit a local kill file applied to the current newsgroup."
10719 (setq gnus-current-headers (gnus-summary-article-header))
10720 (gnus-group-edit-local-kill
10721 (gnus-summary-article-number) gnus-newsgroup-name))
10723 ;;; Header reading.
10725 (defun gnus-read-header (id &optional header)
10726 "Read the headers of article ID and enter them into the Gnus system."
10727 (let ((group gnus-newsgroup-name)
10728 (gnus-override-method
10730 gnus-override-method
10731 (and (gnus-news-group-p gnus-newsgroup-name)
10732 (car (gnus-refer-article-methods)))))
10734 ;; First we check to see whether the header in question is already
10737 ;; This is a Message-ID.
10738 (setq header (or header (gnus-id-to-header id)))
10739 ;; This is an article number.
10740 (setq header (or header (gnus-summary-article-header id))))
10742 (not (gnus-summary-article-sparse-p (mail-header-number header))))
10743 ;; We have found the header.
10745 ;; If this is a sparse article, we have to nix out its
10746 ;; previous entry in the thread hashtb.
10748 (gnus-summary-article-sparse-p (mail-header-number header)))
10749 (let* ((parent (gnus-parent-id (mail-header-references header)))
10750 (thread (and parent (gnus-id-to-thread parent))))
10752 (delq (assq header thread) thread))))
10753 ;; We have to really fetch the header to this article.
10755 (set-buffer nntp-server-buffer)
10756 (when (setq where (gnus-request-head id group))
10757 (nnheader-fold-continuation-lines)
10758 (goto-char (point-max))
10760 (goto-char (point-min))
10764 ((cdr where) (cdr where))
10765 (header (mail-header-number header))
10766 (t gnus-reffed-article-number))
10768 (insert " Article retrieved.\n"))
10769 (if (or (not where)
10770 (not (setq header (car (gnus-get-newsgroup-headers nil t)))))
10771 () ; Malformed head.
10772 (unless (gnus-summary-article-sparse-p (mail-header-number header))
10773 (when (and (stringp id)
10774 (not (string= (gnus-group-real-name group)
10776 ;; If we fetched by Message-ID and the article came
10777 ;; from a different group, we fudge some bogus article
10778 ;; numbers for this article.
10779 (mail-header-set-number header gnus-reffed-article-number))
10781 (set-buffer gnus-summary-buffer)
10782 (decf gnus-reffed-article-number)
10783 (gnus-remove-header (mail-header-number header))
10784 (push header gnus-newsgroup-headers)
10785 (setq gnus-current-headers header)
10786 (push (mail-header-number header) gnus-newsgroup-limit)))
10789 (defun gnus-remove-header (number)
10790 "Remove header NUMBER from `gnus-newsgroup-headers'."
10791 (if (and gnus-newsgroup-headers
10792 (= number (mail-header-number (car gnus-newsgroup-headers))))
10793 (pop gnus-newsgroup-headers)
10794 (let ((headers gnus-newsgroup-headers))
10795 (while (and (cdr headers)
10796 (not (= number (mail-header-number (cadr headers)))))
10798 (when (cdr headers)
10799 (setcdr headers (cddr headers))))))
10802 ;;; summary highlights
10805 (defun gnus-highlight-selected-summary ()
10806 "Highlight selected article in summary buffer."
10807 ;; Added by Per Abrahamsen <amanda@iesd.auc.dk>.
10808 (when gnus-summary-selected-face
10810 (let* ((beg (progn (beginning-of-line) (point)))
10811 (end (progn (end-of-line) (point)))
10812 ;; Fix by Mike Dugan <dugan@bucrf16.bu.edu>.
10813 (from (if (get-text-property beg gnus-mouse-face-prop)
10815 (or (next-single-property-change
10816 beg gnus-mouse-face-prop nil end)
10821 (or (next-single-property-change
10822 from gnus-mouse-face-prop nil end)
10824 ;; If no mouse-face prop on line we will have to = from = end,
10825 ;; so we highlight the entire line instead.
10826 (when (= (+ to 2) from)
10829 (if gnus-newsgroup-selected-overlay
10830 ;; Move old overlay.
10832 gnus-newsgroup-selected-overlay from to (current-buffer))
10833 ;; Create new overlay.
10835 (setq gnus-newsgroup-selected-overlay (gnus-make-overlay from to))
10836 'face gnus-summary-selected-face))))))
10838 ;; New implementation by Christian Limpach <Christian.Limpach@nice.ch>.
10839 (defun gnus-summary-highlight-line ()
10840 "Highlight current line according to `gnus-summary-highlight'."
10841 (let* ((list gnus-summary-highlight)
10842 (beg (gnus-point-at-bol))
10843 (article (gnus-summary-article-number))
10844 (score (or (cdr (assq (or article gnus-current-article)
10845 gnus-newsgroup-scored))
10846 gnus-summary-default-score 0))
10847 (mark (or (gnus-summary-article-mark) gnus-unread-mark))
10848 (inhibit-read-only t)
10849 (default gnus-summary-default-score)
10850 (default-high gnus-summary-default-high-score)
10851 (default-low gnus-summary-default-low-score))
10852 ;; Eval the cars of the lists until we find a match.
10854 (not (eval (caar list))))
10855 (setq list (cdr list)))
10856 (let ((face (cdar list)))
10857 (unless (eq face (get-text-property beg 'face))
10858 (gnus-put-text-property-excluding-characters-with-faces
10859 beg (gnus-point-at-eol) 'face
10860 (setq face (if (boundp face) (symbol-value face) face)))
10861 (when gnus-summary-highlight-line-function
10862 (funcall gnus-summary-highlight-line-function article face))))))
10864 (defun gnus-update-read-articles (group unread &optional compute)
10865 "Update the list of read articles in GROUP.
10866 UNREAD is a sorted list."
10867 (let* ((active (or gnus-newsgroup-active (gnus-active group)))
10868 (entry (gnus-gethash group gnus-newsrc-hashtb))
10869 (info (nth 2 entry))
10872 (if (or (not info) (not active))
10873 ;; There is no info on this group if it was, in fact,
10874 ;; killed. Gnus stores no information on killed groups, so
10875 ;; there's nothing to be done.
10876 ;; One could store the information somewhere temporarily,
10877 ;; perhaps... Hmmm...
10879 ;; Remove any negative articles numbers.
10880 (while (and unread (< (car unread) 0))
10881 (setq unread (cdr unread)))
10882 ;; Remove any expired article numbers
10883 (while (and unread (< (car unread) (car active)))
10884 (setq unread (cdr unread)))
10885 ;; Compute the ranges of read articles by looking at the list of
10886 ;; unread articles.
10888 (when (/= (car unread) prev)
10889 (push (if (= prev (1- (car unread))) prev
10890 (cons prev (1- (car unread))))
10892 (setq prev (1+ (car unread)))
10893 (setq unread (cdr unread)))
10894 (when (<= prev (cdr active))
10895 (push (cons prev (cdr active)) read))
10896 (setq read (if (> (length read) 1) (nreverse read) read))
10901 ;; Propagate the read marks to the backend.
10902 (when (gnus-check-backend-function 'request-set-mark group)
10903 (let ((del (gnus-remove-from-range (gnus-info-read info) read))
10904 (add (gnus-remove-from-range read (gnus-info-read info))))
10906 (unless (gnus-check-group group)
10907 (error "Can't open server for %s" group))
10908 (gnus-request-set-mark
10909 group (delq nil (list (if add (list add 'add '(read)))
10910 (if del (list del 'del '(read))))))
10912 `(gnus-request-set-mark
10915 (if del (list del 'add '(read)))
10916 (if add (list add 'del '(read))))))))))
10917 (set-buffer gnus-group-buffer)
10918 (gnus-undo-register
10920 (gnus-info-set-marks ',info ',(gnus-info-marks info) t)
10921 (gnus-info-set-read ',info ',(gnus-info-read info))
10922 (gnus-get-unread-articles-in-group ',info
10923 (gnus-active ,group))
10924 (gnus-group-update-group ,group t)
10926 ;; Enter this list into the group info.
10927 (gnus-info-set-read info read)
10928 ;; Set the number of unread articles in gnus-newsrc-hashtb.
10929 (gnus-get-unread-articles-in-group info (gnus-active group))
10932 (defun gnus-offer-save-summaries ()
10933 "Offer to save all active summary buffers."
10935 ;; Go through all buffers and find all summaries.
10936 (dolist (buffer (buffer-list))
10937 (when (and (setq buffer (buffer-name buffer))
10938 (string-match "Summary" buffer)
10940 (set-buffer buffer)
10941 ;; We check that this is, indeed, a summary buffer.
10942 (and (eq major-mode 'gnus-summary-mode)
10943 ;; Also make sure this isn't bogus.
10944 gnus-newsgroup-prepared
10945 ;; Also make sure that this isn't a
10946 ;; dead summary buffer.
10947 (not gnus-dead-summary-mode))))
10948 (push buffer buffers)))
10949 ;; Go through all these summary buffers and offer to save them.
10953 "Update summary buffer %s? "
10955 (switch-to-buffer buf)
10956 (gnus-summary-exit))
10959 (defun gnus-summary-setup-default-charset ()
10960 "Setup newsgroup default charset."
10961 (if (member gnus-newsgroup-name '("nndraft:delayed" "nndraft:drafts"))
10962 (setq gnus-newsgroup-charset nil)
10963 (let* ((ignored-charsets
10964 (or gnus-newsgroup-ephemeral-ignored-charsets
10966 (and gnus-newsgroup-name
10967 (gnus-parameter-ignored-charsets gnus-newsgroup-name))
10968 gnus-newsgroup-ignored-charsets))))
10969 (setq gnus-newsgroup-charset
10970 (or gnus-newsgroup-ephemeral-charset
10971 (and gnus-newsgroup-name
10972 (gnus-parameter-charset gnus-newsgroup-name))
10973 gnus-default-charset))
10974 (set (make-local-variable 'gnus-newsgroup-ignored-charsets)
10975 ignored-charsets))))
10981 (defun gnus-summary-display-buttonized (&optional show-all-parts)
10982 "Display the current article buffer fully MIME-buttonized.
10983 If SHOW-ALL-PARTS (the prefix) is non-nil, all multipart/* parts are
10984 treated as multipart/mixed."
10986 (require 'gnus-art)
10987 (let ((gnus-unbuttonized-mime-types nil)
10988 (gnus-mime-display-multipart-as-mixed show-all-parts))
10989 (gnus-summary-show-article)))
10991 (defun gnus-summary-repair-multipart (article)
10992 "Add a Content-Type header to a multipart article without one."
10993 (interactive (list (gnus-summary-article-number)))
10994 (gnus-with-article article
10995 (message-narrow-to-head)
10996 (message-remove-header "Mime-Version")
10997 (goto-char (point-max))
10998 (insert "Mime-Version: 1.0\n")
11000 (when (search-forward "\n--" nil t)
11001 (let ((separator (buffer-substring (point) (gnus-point-at-eol))))
11002 (message-narrow-to-head)
11003 (message-remove-header "Content-Type")
11004 (goto-char (point-max))
11005 (insert (format "Content-Type: multipart/mixed; boundary=\"%s\"\n"
11008 (let (gnus-mark-article-hook)
11009 (gnus-summary-select-article t t nil article)))
11011 (defun gnus-summary-toggle-display-buttonized ()
11012 "Toggle the buttonizing of the article buffer."
11014 (require 'gnus-art)
11015 (if (setq gnus-inhibit-mime-unbuttonizing
11016 (not gnus-inhibit-mime-unbuttonizing))
11017 (let ((gnus-unbuttonized-mime-types nil))
11018 (gnus-summary-show-article))
11019 (gnus-summary-show-article)))
11022 ;;; Generic summary marking commands
11025 (defvar gnus-summary-marking-alist
11026 '((read gnus-del-mark "d")
11027 (unread gnus-unread-mark "u")
11028 (ticked gnus-ticked-mark "!")
11029 (dormant gnus-dormant-mark "?")
11030 (expirable gnus-expirable-mark "e"))
11031 "An alist of names/marks/keystrokes.")
11033 (defvar gnus-summary-generic-mark-map (make-sparse-keymap))
11034 (defvar gnus-summary-mark-map)
11036 (defun gnus-summary-make-all-marking-commands ()
11037 (define-key gnus-summary-mark-map "M" gnus-summary-generic-mark-map)
11038 (dolist (elem gnus-summary-marking-alist)
11039 (apply 'gnus-summary-make-marking-command elem)))
11041 (defun gnus-summary-make-marking-command (name mark keystroke)
11042 (let ((map (make-sparse-keymap)))
11043 (define-key gnus-summary-generic-mark-map keystroke map)
11044 (dolist (lway `((next "next" next nil "n")
11045 (next-unread "next unread" next t "N")
11046 (prev "previous" prev nil "p")
11047 (prev-unread "previous unread" prev t "P")
11048 (nomove "" nil nil ,keystroke)))
11049 (let ((func (gnus-summary-make-marking-command-1
11050 mark (car lway) lway name)))
11051 (setq func (eval func))
11052 (define-key map (nth 4 lway) func)))))
11054 (defun gnus-summary-make-marking-command-1 (mark way lway name)
11056 (format "gnus-summary-put-mark-as-%s%s"
11057 name (if (eq way 'nomove)
11059 (concat "-" (symbol-name way)))))
11062 "Mark the current article as %s%s.
11063 If N, the prefix, then repeat N times.
11064 If N is negative, move in reverse order.
11065 The difference between N and the actual number of articles marked is
11069 (gnus-summary-generic-mark n ,mark ',(nth 2 lway) ,(nth 3 lway))))
11071 (defun gnus-summary-generic-mark (n mark move unread)
11072 "Mark N articles with MARK."
11073 (unless (eq major-mode 'gnus-summary-mode)
11074 (error "This command can only be used in the summary buffer"))
11075 (gnus-summary-show-thread)
11078 ((eq move 'next) 1)
11079 ((eq move 'prev) -1)
11081 (if (zerop nummove)
11085 nummove (* -1 nummove))))
11086 (while (and (> n 0)
11087 (gnus-summary-mark-article nil mark)
11088 (zerop (gnus-summary-next-subject nummove unread t)))
11091 (gnus-message 7 "No more %sarticles" (if mark "" "unread ")))
11092 (gnus-summary-recenter)
11093 (gnus-summary-position-point)
11094 (gnus-set-mode-line 'summary)
11097 (defun gnus-summary-insert-articles (articles)
11098 (when (setq articles
11099 (gnus-sorted-difference articles
11100 (mapcar (lambda (h)
11101 (mail-header-number h))
11102 gnus-newsgroup-headers)))
11103 (setq gnus-newsgroup-headers
11105 gnus-newsgroup-headers
11106 (gnus-fetch-headers articles)
11107 'gnus-article-sort-by-number))
11108 ;; Suppress duplicates?
11109 (when gnus-suppress-duplicates
11110 (gnus-dup-suppress-articles))
11112 ;; We might want to build some more threads first.
11113 (when (and gnus-fetch-old-headers
11114 (eq gnus-headers-retrieved-by 'nov))
11115 (if (eq gnus-fetch-old-headers 'invisible)
11116 (gnus-build-all-threads)
11117 (gnus-build-old-threads)))
11118 ;; Let the Gnus agent mark articles as read.
11120 (gnus-agent-get-undownloaded-list))
11121 ;; Remove list identifiers from subject
11122 (when gnus-list-identifiers
11123 (gnus-summary-remove-list-identifiers))
11124 ;; First and last article in this newsgroup.
11125 (when gnus-newsgroup-headers
11126 (setq gnus-newsgroup-begin
11127 (mail-header-number (car gnus-newsgroup-headers))
11129 (mail-header-number
11130 (gnus-last-element gnus-newsgroup-headers))))
11131 (when gnus-use-scoring
11132 (gnus-possibly-score-headers))))
11134 (defun gnus-summary-insert-old-articles (&optional all)
11135 "Insert all old articles in this group.
11136 If ALL is non-nil, already read articles become readable.
11137 If ALL is a number, fetch this number of articles."
11140 (let ((old (sort (mapcar 'car gnus-newsgroup-data) '<))
11143 (gnus-sorted-difference
11144 (gnus-uncompress-range (list gnus-newsgroup-active))
11146 (setq len (length older))
11151 (setq older (last older all))))
11154 (if (and (numberp gnus-large-newsgroup)
11155 (> len gnus-large-newsgroup))
11156 (let* ((cursor-in-echo-area nil)
11157 (initial (gnus-parameter-large-newsgroup-initial
11158 gnus-newsgroup-name))
11162 "How many articles from %s (%s %d): "
11164 (gnus-group-decoded-name gnus-newsgroup-name) 35)
11165 (if initial "max" "default")
11168 (cons (number-to-string initial)
11170 (unless (string-match "^[ \t]*$" input)
11171 (setq all (string-to-number input))
11173 (setq older (last older all))))))))
11175 (message "No old news.")
11176 (gnus-summary-insert-articles older)
11177 (gnus-summary-limit (gnus-sorted-nunion old older))))
11178 (gnus-summary-position-point)))
11180 (defun gnus-summary-insert-new-articles ()
11181 "Insert all new articles in this group."
11184 (let ((old (sort (mapcar 'car gnus-newsgroup-data) '<))
11185 (old-active gnus-newsgroup-active)
11186 (nnmail-fetched-sources (list t))
11188 (setq gnus-newsgroup-active
11189 (gnus-activate-group gnus-newsgroup-name 'scan))
11190 (setq i (cdr gnus-newsgroup-active))
11191 (while (> i (cdr old-active))
11195 (message "No gnus is bad news.")
11196 (gnus-summary-insert-articles new)
11197 (setq gnus-newsgroup-unreads
11198 (gnus-sorted-nunion gnus-newsgroup-unreads new))
11199 (gnus-summary-limit (gnus-sorted-nunion old new))))
11200 (gnus-summary-position-point)))
11202 (gnus-summary-make-all-marking-commands)
11204 (gnus-ems-redefine)
11206 (provide 'gnus-sum)
11208 (run-hooks 'gnus-sum-load-hook)
11210 ;;; gnus-sum.el ends here