1 ;;; gnus-sum.el --- summary mode commands for Semi-gnus
2 ;; Copyright (C) 1996,97,98 Free Software Foundation, Inc.
4 ;; Author: Lars Magne Ingebrigtsen <larsi@ifi.uio.no>
5 ;; MORIOKA Tomohiko <morioka@jaist.ac.jp>
6 ;; Keywords: mail, news, MIME
8 ;; This file is part of GNU Emacs.
10 ;; GNU Emacs is free software; you can redistribute it and/or modify
11 ;; it under the terms of the GNU General Public License as published by
12 ;; the Free Software Foundation; either version 2, or (at your option)
15 ;; GNU Emacs is distributed in the hope that it will be useful,
16 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 ;; GNU General Public License for more details.
20 ;; You should have received a copy of the GNU General Public License
21 ;; along with GNU Emacs; see the file COPYING. If not, write to the
22 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
23 ;; Boston, MA 02111-1307, USA.
29 (eval-when-compile (require 'cl))
40 (or (string< "1" eword-decode-version)
41 (error "Please install latest SEMI."))
43 (autoload 'gnus-summary-limit-include-cached "gnus-cache" nil t)
44 (autoload 'gnus-set-summary-default-charset "gnus-i18n" nil t)
46 (defcustom gnus-kill-summary-on-exit t
47 "*If non-nil, kill the summary buffer when you exit from it.
48 If nil, the summary will become a \"*Dead Summary*\" buffer, and
49 it will be killed sometime later."
50 :group 'gnus-summary-exit
53 (defcustom gnus-fetch-old-headers nil
54 "*Non-nil means that Gnus will try to build threads by grabbing old headers.
55 If an unread article in the group refers to an older, already read (or
56 just marked as read) article, the old article will not normally be
57 displayed in the Summary buffer. If this variable is non-nil, Gnus
58 will attempt to grab the headers to the old articles, and thereby
59 build complete threads. If it has the value `some', only enough
60 headers to connect otherwise loose threads will be displayed. This
61 variable can also be a number. In that case, no more than that number
62 of old headers will be fetched. If it has the value `invisible', all
63 old headers will be fetched, but none will be displayed.
65 The server has to support NOV for any of this to work."
67 :type '(choice (const :tag "off" nil)
70 (sexp :menu-tag "other" t)))
72 (defcustom gnus-refer-thread-limit 200
73 "*The number of old headers to fetch when doing \\<gnus-summary-mode-map>\\[gnus-summary-refer-thread].
74 If t, fetch all the available old headers."
77 (sexp :menu-tag "other" t)))
79 (defcustom gnus-summary-make-false-root 'adopt
80 "*nil means that Gnus won't gather loose threads.
81 If the root of a thread has expired or been read in a previous
82 session, the information necessary to build a complete thread has been
83 lost. Instead of having many small sub-threads from this original thread
84 scattered all over the summary buffer, Gnus can gather them.
86 If non-nil, Gnus will try to gather all loose sub-threads from an
87 original thread into one large thread.
89 If this variable is non-nil, it should be one of `none', `adopt',
92 If this variable is `none', Gnus will not make a false root, but just
93 present the sub-threads after another.
94 If this variable is `dummy', Gnus will create a dummy root that will
95 have all the sub-threads as children.
96 If this variable is `adopt', Gnus will make one of the \"children\"
97 the parent and mark all the step-children as such.
98 If this variable is `empty', the \"children\" are printed with empty
99 subject fields. (Or rather, they will be printed with a string
100 given by the `gnus-summary-same-subject' variable.)"
102 :type '(choice (const :tag "off" nil)
108 (defcustom gnus-summary-gather-exclude-subject "^ *$\\|^(none)$"
109 "*A regexp to match subjects to be excluded from loose thread gathering.
110 As loose thread gathering is done on subjects only, that means that
111 there can be many false gatherings performed. By rooting out certain
112 common subjects, gathering might become saner."
116 (defcustom gnus-summary-gather-subject-limit nil
117 "*Maximum length of subject comparisons when gathering loose threads.
118 Use nil to compare full subjects. Setting this variable to a low
119 number will help gather threads that have been corrupted by
120 newsreaders chopping off subject lines, but it might also mean that
121 unrelated articles that have subject that happen to begin with the
122 same few characters will be incorrectly gathered.
124 If this variable is `fuzzy', Gnus will use a fuzzy algorithm when
127 :type '(choice (const :tag "off" nil)
129 (sexp :menu-tag "on" t)))
131 (defcustom gnus-simplify-subject-functions nil
132 "List of functions taking a string argument that simplify subjects.
133 The functions are applied recursively.
135 Useful functions to put in this list include: `gnus-simplify-subject-re',
136 `gnus-simplify-subject-fuzzy' and `gnus-simplify-whitespace'."
138 :type '(repeat function))
140 (defcustom gnus-simplify-ignored-prefixes nil
141 "*Regexp, matches for which are removed from subject lines when simplifying fuzzily."
143 :type '(choice (const :tag "off" nil)
146 (defcustom gnus-build-sparse-threads nil
147 "*If non-nil, fill in the gaps in threads.
148 If `some', only fill in the gaps that are needed to tie loose threads
149 together. If `more', fill in all leaf nodes that Gnus can find. If
150 non-nil and non-`some', fill in all gaps that Gnus manages to guess."
152 :type '(choice (const :tag "off" nil)
155 (sexp :menu-tag "all" t)))
157 (defcustom gnus-summary-thread-gathering-function
158 'gnus-gather-threads-by-subject
159 "*Function used for gathering loose threads.
160 There are two pre-defined functions: `gnus-gather-threads-by-subject',
161 which only takes Subjects into consideration; and
162 `gnus-gather-threads-by-references', which compared the References
163 headers of the articles to find matches."
165 :type '(radio (function-item gnus-gather-threads-by-subject)
166 (function-item gnus-gather-threads-by-references)
167 (function :tag "other")))
169 (defcustom gnus-summary-same-subject ""
170 "*String indicating that the current article has the same subject as the previous.
171 This variable will only be used if the value of
172 `gnus-summary-make-false-root' is `empty'."
173 :group 'gnus-summary-format
176 (defcustom gnus-summary-goto-unread t
177 "*If t, marking commands will go to the next unread article.
178 If `never', commands that usually go to the next unread article, will
179 go to the next article, whether it is read or not.
180 If nil, only the marking commands will go to the next (un)read article."
181 :group 'gnus-summary-marks
182 :link '(custom-manual "(gnus)Setting Marks")
183 :type '(choice (const :tag "off" nil)
185 (sexp :menu-tag "on" t)))
187 (defcustom gnus-summary-default-score 0
188 "*Default article score level.
189 All scores generated by the score files will be added to this score.
190 If this variable is nil, scoring will be disabled."
191 :group 'gnus-score-default
192 :type '(choice (const :tag "disable")
195 (defcustom gnus-summary-zcore-fuzz 0
196 "*Fuzziness factor for the zcore in the summary buffer.
197 Articles with scores closer than this to `gnus-summary-default-score'
199 :group 'gnus-summary-format
202 (defcustom gnus-simplify-subject-fuzzy-regexp nil
203 "*Strings to be removed when doing fuzzy matches.
204 This can either be a regular expression or list of regular expressions
205 that will be removed from subject strings if fuzzy subject
206 simplification is selected."
208 :type '(repeat regexp))
210 (defcustom gnus-show-threads t
211 "*If non-nil, display threads in summary mode."
215 (defcustom gnus-thread-hide-subtree nil
216 "*If non-nil, hide all threads initially.
217 If threads are hidden, you have to run the command
218 `gnus-summary-show-thread' by hand or use `gnus-select-article-hook'
219 to expose hidden threads."
223 (defcustom gnus-thread-hide-killed t
224 "*If non-nil, hide killed threads automatically."
228 (defcustom gnus-thread-ignore-subject nil
229 "*If non-nil, ignore subjects and do all threading based on the Reference header.
230 If nil, which is the default, articles that have different subjects
231 from their parents will start separate threads."
235 (defcustom gnus-thread-operation-ignore-subject t
236 "*If non-nil, subjects will be ignored when doing thread commands.
237 This affects commands like `gnus-summary-kill-thread' and
238 `gnus-summary-lower-thread'.
240 If this variable is nil, articles in the same thread with different
241 subjects will not be included in the operation in question. If this
242 variable is `fuzzy', only articles that have subjects that are fuzzily
243 equal will be included."
245 :type '(choice (const :tag "off" nil)
249 (defcustom gnus-thread-indent-level 4
250 "*Number that says how much each sub-thread should be indented."
254 (defcustom gnus-auto-extend-newsgroup t
255 "*If non-nil, extend newsgroup forward and backward when requested."
256 :group 'gnus-summary-choose
259 (defcustom gnus-auto-select-first t
260 "*If nil, don't select the first unread article when entering a group.
261 If this variable is `best', select the highest-scored unread article
262 in the group. If neither nil nor `best', select the first unread
265 If you want to prevent automatic selection of the first unread article
266 in some newsgroups, set the variable to nil in
267 `gnus-select-group-hook'."
268 :group 'gnus-group-select
269 :type '(choice (const :tag "none" nil)
271 (sexp :menu-tag "first" t)))
273 (defcustom gnus-auto-select-next t
274 "*If non-nil, offer to go to the next group from the end of the previous.
275 If the value is t and the next newsgroup is empty, Gnus will exit
276 summary mode and go back to group mode. If the value is neither nil
277 nor t, Gnus will select the following unread newsgroup. In
278 particular, if the value is the symbol `quietly', the next unread
279 newsgroup will be selected without any confirmation, and if it is
280 `almost-quietly', the next group will be selected without any
281 confirmation if you are located on the last article in the group.
282 Finally, if this variable is `slightly-quietly', the `Z n' command
283 will go to the next group without confirmation."
284 :group 'gnus-summary-maneuvering
285 :type '(choice (const :tag "off" nil)
287 (const almost-quietly)
288 (const slightly-quietly)
289 (sexp :menu-tag "on" t)))
291 (defcustom gnus-auto-select-same nil
292 "*If non-nil, select the next article with the same subject."
293 :group 'gnus-summary-maneuvering
296 (defcustom gnus-summary-check-current nil
297 "*If non-nil, consider the current article when moving.
298 The \"unread\" movement commands will stay on the same line if the
299 current article is unread."
300 :group 'gnus-summary-maneuvering
303 (defcustom gnus-auto-center-summary t
304 "*If non-nil, always center the current summary buffer.
305 In particular, if `vertical' do only vertical recentering. If non-nil
306 and non-`vertical', do both horizontal and vertical recentering."
307 :group 'gnus-summary-maneuvering
308 :type '(choice (const :tag "none" nil)
310 (sexp :menu-tag "both" t)))
312 (defcustom gnus-show-all-headers nil
313 "*If non-nil, don't hide any headers."
314 :group 'gnus-article-hiding
315 :group 'gnus-article-headers
318 (defcustom gnus-summary-ignore-duplicates nil
319 "*If non-nil, ignore articles with identical Message-ID headers."
323 (defcustom gnus-single-article-buffer t
324 "*If non-nil, display all articles in the same buffer.
325 If nil, each group will get its own article buffer."
326 :group 'gnus-article-various
329 (defcustom gnus-break-pages t
330 "*If non-nil, do page breaking on articles.
331 The page delimiter is specified by the `gnus-page-delimiter'
333 :group 'gnus-article-various
336 (defcustom gnus-show-mime t
337 "*If non-nil, do mime processing of articles.
338 The articles will simply be fed to the function given by
339 `gnus-show-mime-method'."
340 :group 'gnus-article-mime
343 (defcustom gnus-move-split-methods nil
344 "*Variable used to suggest where articles are to be moved to.
345 It uses the same syntax as the `gnus-split-methods' variable."
346 :group 'gnus-summary-mail
347 :type '(repeat (choice (list :value (fun) function)
348 (cons :value ("" "") regexp (repeat string))
351 (defcustom gnus-unread-mark ?
352 "*Mark used for unread articles."
353 :group 'gnus-summary-marks
356 (defcustom gnus-ticked-mark ?!
357 "*Mark used for ticked articles."
358 :group 'gnus-summary-marks
361 (defcustom gnus-dormant-mark ??
362 "*Mark used for dormant articles."
363 :group 'gnus-summary-marks
366 (defcustom gnus-del-mark ?r
367 "*Mark used for del'd articles."
368 :group 'gnus-summary-marks
371 (defcustom gnus-read-mark ?R
372 "*Mark used for read articles."
373 :group 'gnus-summary-marks
376 (defcustom gnus-expirable-mark ?E
377 "*Mark used for expirable articles."
378 :group 'gnus-summary-marks
381 (defcustom gnus-killed-mark ?K
382 "*Mark used for killed articles."
383 :group 'gnus-summary-marks
386 (defcustom gnus-souped-mark ?F
387 "*Mark used for killed articles."
388 :group 'gnus-summary-marks
391 (defcustom gnus-kill-file-mark ?X
392 "*Mark used for articles killed by kill files."
393 :group 'gnus-summary-marks
396 (defcustom gnus-low-score-mark ?Y
397 "*Mark used for articles with a low score."
398 :group 'gnus-summary-marks
401 (defcustom gnus-catchup-mark ?C
402 "*Mark used for articles that are caught up."
403 :group 'gnus-summary-marks
406 (defcustom gnus-replied-mark ?A
407 "*Mark used for articles that have been replied to."
408 :group 'gnus-summary-marks
411 (defcustom gnus-cached-mark ?*
412 "*Mark used for articles that are in the cache."
413 :group 'gnus-summary-marks
416 (defcustom gnus-saved-mark ?S
417 "*Mark used for articles that have been saved to."
418 :group 'gnus-summary-marks
421 (defcustom gnus-ancient-mark ?O
422 "*Mark used for ancient articles."
423 :group 'gnus-summary-marks
426 (defcustom gnus-sparse-mark ?Q
427 "*Mark used for sparsely reffed articles."
428 :group 'gnus-summary-marks
431 (defcustom gnus-canceled-mark ?G
432 "*Mark used for canceled articles."
433 :group 'gnus-summary-marks
436 (defcustom gnus-duplicate-mark ?M
437 "*Mark used for duplicate articles."
438 :group 'gnus-summary-marks
441 (defcustom gnus-undownloaded-mark ?@
442 "*Mark used for articles that weren't downloaded."
443 :group 'gnus-summary-marks
446 (defcustom gnus-downloadable-mark ?%
447 "*Mark used for articles that are to be downloaded."
448 :group 'gnus-summary-marks
451 (defcustom gnus-unsendable-mark ?=
452 "*Mark used for articles that won't be sent."
453 :group 'gnus-summary-marks
456 (defcustom gnus-score-over-mark ?+
457 "*Score mark used for articles with high scores."
458 :group 'gnus-summary-marks
461 (defcustom gnus-score-below-mark ?-
462 "*Score mark used for articles with low scores."
463 :group 'gnus-summary-marks
466 (defcustom gnus-empty-thread-mark ?
467 "*There is no thread under the article."
468 :group 'gnus-summary-marks
471 (defcustom gnus-not-empty-thread-mark ?=
472 "*There is a thread under the article."
473 :group 'gnus-summary-marks
476 (defcustom gnus-view-pseudo-asynchronously nil
477 "*If non-nil, Gnus will view pseudo-articles asynchronously."
478 :group 'gnus-extract-view
481 (defcustom gnus-view-pseudos nil
482 "*If `automatic', pseudo-articles will be viewed automatically.
483 If `not-confirm', pseudos will be viewed automatically, and the user
484 will not be asked to confirm the command."
485 :group 'gnus-extract-view
486 :type '(choice (const :tag "off" nil)
488 (const not-confirm)))
490 (defcustom gnus-view-pseudos-separately t
491 "*If non-nil, one pseudo-article will be created for each file to be viewed.
492 If nil, all files that use the same viewing command will be given as a
493 list of parameters to that command."
494 :group 'gnus-extract-view
497 (defcustom gnus-insert-pseudo-articles t
498 "*If non-nil, insert pseudo-articles when decoding articles."
499 :group 'gnus-extract-view
502 (defcustom gnus-summary-dummy-line-format
504 "*The format specification for the dummy roots in the summary buffer.
505 It works along the same lines as a normal formatting string,
506 with some simple extensions.
509 :group 'gnus-threading
512 (defcustom gnus-summary-mode-line-format "Gnus: %%b [%A] %Z"
513 "*The format specification for the summary mode line.
514 It works along the same lines as a normal formatting string,
515 with some simple extensions:
518 %p Unprefixed group name
519 %A Current article number
521 %U Number of unread articles in the group
522 %e Number of unselected articles in the group
523 %Z A string with unread/unselected article counts
524 %g Shortish group name
525 %S Subject of the current article
527 %s Current score file name
528 %d Number of dormant articles
529 %r Number of articles that have been marked as read in this session
530 %E Number of articles expunged by the score files"
531 :group 'gnus-summary-format
534 (defcustom gnus-summary-mark-below 0
535 "*Mark all articles with a score below this variable as read.
536 This variable is local to each summary buffer and usually set by the
538 :group 'gnus-score-default
541 (defcustom gnus-article-sort-functions '(gnus-article-sort-by-number)
542 "*List of functions used for sorting articles in the summary buffer.
543 This variable is only used when not using a threaded display."
544 :group 'gnus-summary-sort
545 :type '(repeat (choice (function-item gnus-article-sort-by-number)
546 (function-item gnus-article-sort-by-author)
547 (function-item gnus-article-sort-by-subject)
548 (function-item gnus-article-sort-by-date)
549 (function-item gnus-article-sort-by-score)
550 (function :tag "other"))))
552 (defcustom gnus-thread-sort-functions '(gnus-thread-sort-by-number)
553 "*List of functions used for sorting threads in the summary buffer.
554 By default, threads are sorted by article number.
556 Each function takes two threads and return non-nil if the first thread
557 should be sorted before the other. If you use more than one function,
558 the primary sort function should be the last. You should probably
559 always include `gnus-thread-sort-by-number' in the list of sorting
560 functions -- preferably first.
562 Ready-made functions include `gnus-thread-sort-by-number',
563 `gnus-thread-sort-by-author', `gnus-thread-sort-by-subject',
564 `gnus-thread-sort-by-date', `gnus-thread-sort-by-score' and
565 `gnus-thread-sort-by-total-score' (see `gnus-thread-score-function')."
566 :group 'gnus-summary-sort
567 :type '(repeat (choice (function-item gnus-thread-sort-by-number)
568 (function-item gnus-thread-sort-by-author)
569 (function-item gnus-thread-sort-by-subject)
570 (function-item gnus-thread-sort-by-date)
571 (function-item gnus-thread-sort-by-score)
572 (function-item gnus-thread-sort-by-total-score)
573 (function :tag "other"))))
575 (defcustom gnus-thread-score-function '+
576 "*Function used for calculating the total score of a thread.
578 The function is called with the scores of the article and each
579 subthread and should then return the score of the thread.
581 Some functions you can use are `+', `max', or `min'."
582 :group 'gnus-summary-sort
585 (defcustom gnus-summary-expunge-below nil
586 "All articles that have a score less than this variable will be expunged.
587 This variable is local to the summary buffers."
588 :group 'gnus-score-default
589 :type '(choice (const :tag "off" nil)
592 (defcustom gnus-thread-expunge-below nil
593 "All threads that have a total score less than this variable will be expunged.
594 See `gnus-thread-score-function' for en explanation of what a
597 This variable is local to the summary buffers."
598 :group 'gnus-treading
599 :group 'gnus-score-default
600 :type '(choice (const :tag "off" nil)
603 (defcustom gnus-summary-mode-hook nil
604 "*A hook for Gnus summary mode.
605 This hook is run before any variables are set in the summary buffer."
606 :group 'gnus-summary-various
609 (defcustom gnus-summary-menu-hook nil
610 "*Hook run after the creation of the summary mode menu."
611 :group 'gnus-summary-visual
614 (defcustom gnus-summary-exit-hook nil
615 "*A hook called on exit from the summary buffer.
616 It will be called with point in the group buffer."
617 :group 'gnus-summary-exit
620 (defcustom gnus-summary-prepare-hook nil
621 "*A hook called after the summary buffer has been generated.
622 If you want to modify the summary buffer, you can use this hook."
623 :group 'gnus-summary-various
626 (defcustom gnus-summary-prepared-hook nil
627 "*A hook called as the last thing after the summary buffer has been generated."
628 :group 'gnus-summary-various
631 (defcustom gnus-summary-generate-hook nil
632 "*A hook run just before generating the summary buffer.
633 This hook is commonly used to customize threading variables and the
635 :group 'gnus-summary-various
638 (defcustom gnus-select-group-hook nil
639 "*A hook called when a newsgroup is selected.
641 If you'd like to simplify subjects like the
642 `gnus-summary-next-same-subject' command does, you can use the
645 (setq gnus-select-group-hook
648 (mapcar (lambda (header)
649 (mail-header-set-subject
651 (gnus-simplify-subject
652 (mail-header-subject header) 're-only)))
653 gnus-newsgroup-headers))))"
654 :group 'gnus-group-select
657 (defcustom gnus-select-article-hook nil
658 "*A hook called when an article is selected."
659 :group 'gnus-summary-choose
662 (defcustom gnus-visual-mark-article-hook
663 (list 'gnus-highlight-selected-summary)
664 "*Hook run after selecting an article in the summary buffer.
665 It is meant to be used for highlighting the article in some way. It
666 is not run if `gnus-visual' is nil."
667 :group 'gnus-summary-visual
670 (defcustom gnus-structured-field-decoder
671 #'eword-decode-and-unfold-structured-field
672 "Function to decode non-ASCII characters in structured field for summary."
676 (defcustom gnus-unstructured-field-decoder
679 (eword-decode-unstructured-field-body
680 (std11-unfold-string string) 'must-unfold)
682 "Function to decode non-ASCII characters in unstructured field for summary."
686 (defcustom gnus-parse-headers-hook
687 '(gnus-set-summary-default-charset)
688 "*A hook called before parsing the headers."
692 (defcustom gnus-exit-group-hook nil
693 "*A hook called when exiting (not quitting) summary mode."
697 (defcustom gnus-summary-update-hook
698 (list 'gnus-summary-highlight-line)
699 "*A hook called when a summary line is changed.
700 The hook will not be called if `gnus-visual' is nil.
702 The default function `gnus-summary-highlight-line' will
703 highlight the line according to the `gnus-summary-highlight'
705 :group 'gnus-summary-visual
708 (defcustom gnus-mark-article-hook '(gnus-summary-mark-read-and-unread-as-read)
709 "*A hook called when an article is selected for the first time.
710 The hook is intended to mark an article as read (or unread)
711 automatically when it is selected."
712 :group 'gnus-summary-choose
715 (defcustom gnus-group-no-more-groups-hook nil
716 "*A hook run when returning to group mode having no more (unread) groups."
717 :group 'gnus-group-select
720 (defcustom gnus-ps-print-hook nil
721 "*A hook run before ps-printing something from Gnus."
725 (defcustom gnus-summary-selected-face 'gnus-summary-selected-face
726 "Face used for highlighting the current article in the summary buffer."
727 :group 'gnus-summary-visual
730 (defcustom gnus-summary-highlight
731 '(((= mark gnus-canceled-mark)
732 . gnus-summary-cancelled-face)
733 ((and (> score default)
734 (or (= mark gnus-dormant-mark)
735 (= mark gnus-ticked-mark)))
736 . gnus-summary-high-ticked-face)
737 ((and (< score default)
738 (or (= mark gnus-dormant-mark)
739 (= mark gnus-ticked-mark)))
740 . gnus-summary-low-ticked-face)
741 ((or (= mark gnus-dormant-mark)
742 (= mark gnus-ticked-mark))
743 . gnus-summary-normal-ticked-face)
744 ((and (> score default) (= mark gnus-ancient-mark))
745 . gnus-summary-high-ancient-face)
746 ((and (< score default) (= mark gnus-ancient-mark))
747 . gnus-summary-low-ancient-face)
748 ((= mark gnus-ancient-mark)
749 . gnus-summary-normal-ancient-face)
750 ((and (> score default) (= mark gnus-unread-mark))
751 . gnus-summary-high-unread-face)
752 ((and (< score default) (= mark gnus-unread-mark))
753 . gnus-summary-low-unread-face)
754 ((= mark gnus-unread-mark)
755 . gnus-summary-normal-unread-face)
756 ((and (> score default) (memq mark (list gnus-downloadable-mark
757 gnus-undownloaded-mark)))
758 . gnus-summary-high-unread-face)
759 ((and (< score default) (memq mark (list gnus-downloadable-mark
760 gnus-undownloaded-mark)))
761 . gnus-summary-low-unread-face)
762 ((memq mark (list gnus-downloadable-mark gnus-undownloaded-mark))
763 . gnus-summary-normal-unread-face)
765 . gnus-summary-high-read-face)
767 . gnus-summary-low-read-face)
769 . gnus-summary-normal-read-face))
770 "*Controls the highlighting of summary buffer lines.
772 A list of (FORM . FACE) pairs. When deciding how a a particular
773 summary line should be displayed, each form is evaluated. The content
774 of the face field after the first true form is used. You can change
775 how those summary lines are displayed, by editing the face field.
777 You can use the following variables in the FORM field.
779 score: The articles score
780 default: The default article score.
781 below: The score below which articles are automatically marked as read.
782 mark: The articles mark."
783 :group 'gnus-summary-visual
784 :type '(repeat (cons (sexp :tag "Form" nil)
787 (defcustom gnus-alter-header-function nil
788 "Function called to allow alteration of article header structures.
789 The function is called with one parameter, the article header vector,
790 which it may alter in any way.")
792 ;;; Internal variables
794 (defvar gnus-scores-exclude-files nil)
795 (defvar gnus-page-broken nil)
797 (defvar gnus-original-article nil)
798 (defvar gnus-article-internal-prepare-hook nil)
799 (defvar gnus-newsgroup-process-stack nil)
801 (defvar gnus-thread-indent-array nil)
802 (defvar gnus-thread-indent-array-level gnus-thread-indent-level)
804 ;; Avoid highlighting in kill files.
805 (defvar gnus-summary-inhibit-highlight nil)
806 (defvar gnus-newsgroup-selected-overlay nil)
807 (defvar gnus-inhibit-limiting nil)
808 (defvar gnus-newsgroup-adaptive-score-file nil)
809 (defvar gnus-current-score-file nil)
810 (defvar gnus-current-move-group nil)
811 (defvar gnus-current-copy-group nil)
812 (defvar gnus-current-crosspost-group nil)
814 (defvar gnus-newsgroup-dependencies nil)
815 (defvar gnus-newsgroup-adaptive nil)
816 (defvar gnus-summary-display-article-function nil)
817 (defvar gnus-summary-highlight-line-function nil
818 "Function called after highlighting a summary line.")
820 (defvar gnus-summary-line-format-alist
821 `((?N ,(macroexpand '(mail-header-number gnus-tmp-header)) ?d)
822 (?S ,(macroexpand '(mail-header-subject gnus-tmp-header)) ?s)
823 (?s gnus-tmp-subject-or-nil ?s)
824 (?n gnus-tmp-name ?s)
825 (?A (car (cdr (funcall gnus-extract-address-components gnus-tmp-from)))
827 (?a (or (car (funcall gnus-extract-address-components gnus-tmp-from))
829 (?F gnus-tmp-from ?s)
830 (?x ,(macroexpand '(mail-header-xref gnus-tmp-header)) ?s)
831 (?D ,(macroexpand '(mail-header-date gnus-tmp-header)) ?s)
832 (?d (gnus-dd-mmm (mail-header-date gnus-tmp-header)) ?s)
833 (?o (gnus-date-iso8601 gnus-tmp-header) ?s)
834 (?M ,(macroexpand '(mail-header-id gnus-tmp-header)) ?s)
835 (?r ,(macroexpand '(mail-header-references gnus-tmp-header)) ?s)
836 (?c (or (mail-header-chars gnus-tmp-header) 0) ?d)
837 (?L gnus-tmp-lines ?d)
838 (?I gnus-tmp-indentation ?s)
839 (?T (if (= gnus-tmp-level 0) "" (make-string (frame-width) ? )) ?s)
840 (?R gnus-tmp-replied ?c)
841 (?\[ gnus-tmp-opening-bracket ?c)
842 (?\] gnus-tmp-closing-bracket ?c)
843 (?\> (make-string gnus-tmp-level ? ) ?s)
844 (?\< (make-string (max 0 (- 20 gnus-tmp-level)) ? ) ?s)
845 (?i gnus-tmp-score ?d)
846 (?z gnus-tmp-score-char ?c)
847 (?l (bbb-grouplens-score gnus-tmp-header) ?s)
848 (?V (gnus-thread-total-score (and (boundp 'thread) (car thread))) ?d)
849 (?U gnus-tmp-unread ?c)
850 (?t (gnus-summary-number-of-articles-in-thread
851 (and (boundp 'thread) (car thread)) gnus-tmp-level)
853 (?e (gnus-summary-number-of-articles-in-thread
854 (and (boundp 'thread) (car thread)) gnus-tmp-level t)
856 (?u gnus-tmp-user-defined ?s)
857 (?P (gnus-pick-line-number) ?d))
858 "An alist of format specifications that can appear in summary lines,
859 and what variables they correspond with, along with the type of the
860 variable (string, integer, character, etc).")
862 (defvar gnus-summary-dummy-line-format-alist
863 `((?S gnus-tmp-subject ?s)
864 (?N gnus-tmp-number ?d)
865 (?u gnus-tmp-user-defined ?s)))
867 (defvar gnus-summary-mode-line-format-alist
868 `((?G gnus-tmp-group-name ?s)
869 (?g (gnus-short-group-name gnus-tmp-group-name) ?s)
870 (?p (gnus-group-real-name gnus-tmp-group-name) ?s)
871 (?A gnus-tmp-article-number ?d)
872 (?Z gnus-tmp-unread-and-unselected ?s)
874 (?U gnus-tmp-unread-and-unticked ?d)
875 (?S gnus-tmp-subject ?s)
876 (?e gnus-tmp-unselected ?d)
877 (?u gnus-tmp-user-defined ?s)
878 (?d (length gnus-newsgroup-dormant) ?d)
879 (?t (length gnus-newsgroup-marked) ?d)
880 (?r (length gnus-newsgroup-reads) ?d)
881 (?E gnus-newsgroup-expunged-tally ?d)
882 (?s (gnus-current-score-file-nondirectory) ?s)))
884 (defvar gnus-last-search-regexp nil
885 "Default regexp for article search command.")
887 (defvar gnus-last-shell-command nil
888 "Default shell command on article.")
890 (defvar gnus-newsgroup-begin nil)
891 (defvar gnus-newsgroup-end nil)
892 (defvar gnus-newsgroup-last-rmail nil)
893 (defvar gnus-newsgroup-last-mail nil)
894 (defvar gnus-newsgroup-last-folder nil)
895 (defvar gnus-newsgroup-last-file nil)
896 (defvar gnus-newsgroup-auto-expire nil)
897 (defvar gnus-newsgroup-active nil)
899 (defvar gnus-newsgroup-data nil)
900 (defvar gnus-newsgroup-data-reverse nil)
901 (defvar gnus-newsgroup-limit nil)
902 (defvar gnus-newsgroup-limits nil)
904 (defvar gnus-newsgroup-unreads nil
905 "List of unread articles in the current newsgroup.")
907 (defvar gnus-newsgroup-unselected nil
908 "List of unselected unread articles in the current newsgroup.")
910 (defvar gnus-newsgroup-reads nil
911 "Alist of read articles and article marks in the current newsgroup.")
913 (defvar gnus-newsgroup-expunged-tally nil)
915 (defvar gnus-newsgroup-marked nil
916 "List of ticked articles in the current newsgroup (a subset of unread art).")
918 (defvar gnus-newsgroup-killed nil
919 "List of ranges of articles that have been through the scoring process.")
921 (defvar gnus-newsgroup-cached nil
922 "List of articles that come from the article cache.")
924 (defvar gnus-newsgroup-saved nil
925 "List of articles that have been saved.")
927 (defvar gnus-newsgroup-kill-headers nil)
929 (defvar gnus-newsgroup-replied nil
930 "List of articles that have been replied to in the current newsgroup.")
932 (defvar gnus-newsgroup-expirable nil
933 "List of articles in the current newsgroup that can be expired.")
935 (defvar gnus-newsgroup-processable nil
936 "List of articles in the current newsgroup that can be processed.")
938 (defvar gnus-newsgroup-downloadable nil
939 "List of articles in the current newsgroup that can be processed.")
941 (defvar gnus-newsgroup-undownloaded nil
942 "List of articles in the current newsgroup that haven't been downloaded..")
944 (defvar gnus-newsgroup-unsendable nil
945 "List of articles in the current newsgroup that won't be sent.")
947 (defvar gnus-newsgroup-bookmarks nil
948 "List of articles in the current newsgroup that have bookmarks.")
950 (defvar gnus-newsgroup-dormant nil
951 "List of dormant articles in the current newsgroup.")
953 (defvar gnus-newsgroup-scored nil
954 "List of scored articles in the current newsgroup.")
956 (defvar gnus-newsgroup-headers nil
957 "List of article headers in the current newsgroup.")
959 (defvar gnus-newsgroup-threads nil)
961 (defvar gnus-newsgroup-prepared nil
962 "Whether the current group has been prepared properly.")
964 (defvar gnus-newsgroup-ancient nil
965 "List of `gnus-fetch-old-headers' articles in the current newsgroup.")
967 (defvar gnus-newsgroup-sparse nil)
969 (defvar gnus-current-article nil)
970 (defvar gnus-article-current nil)
971 (defvar gnus-current-headers nil)
972 (defvar gnus-have-all-headers nil)
973 (defvar gnus-last-article nil)
974 (defvar gnus-newsgroup-history nil)
976 (defconst gnus-summary-local-variables
977 '(gnus-newsgroup-name
978 gnus-newsgroup-begin gnus-newsgroup-end
979 gnus-newsgroup-last-rmail gnus-newsgroup-last-mail
980 gnus-newsgroup-last-folder gnus-newsgroup-last-file
981 gnus-newsgroup-auto-expire gnus-newsgroup-unreads
982 gnus-newsgroup-unselected gnus-newsgroup-marked
983 gnus-newsgroup-reads gnus-newsgroup-saved
984 gnus-newsgroup-replied gnus-newsgroup-expirable
985 gnus-newsgroup-processable gnus-newsgroup-killed
986 gnus-newsgroup-downloadable gnus-newsgroup-undownloaded
987 gnus-newsgroup-unsendable
988 gnus-newsgroup-bookmarks gnus-newsgroup-dormant
989 gnus-newsgroup-headers gnus-newsgroup-threads
990 gnus-newsgroup-prepared gnus-summary-highlight-line-function
991 gnus-current-article gnus-current-headers gnus-have-all-headers
992 gnus-last-article gnus-article-internal-prepare-hook
993 gnus-newsgroup-dependencies gnus-newsgroup-selected-overlay
994 gnus-newsgroup-scored gnus-newsgroup-kill-headers
995 gnus-thread-expunge-below
996 gnus-score-alist gnus-current-score-file gnus-summary-expunge-below
997 (gnus-summary-mark-below . global)
998 gnus-newsgroup-active gnus-scores-exclude-files
999 gnus-newsgroup-history gnus-newsgroup-ancient
1000 gnus-newsgroup-sparse gnus-newsgroup-process-stack
1001 (gnus-newsgroup-adaptive . gnus-use-adaptive-scoring)
1002 gnus-newsgroup-adaptive-score-file (gnus-reffed-article-number . -1)
1003 (gnus-newsgroup-expunged-tally . 0)
1004 gnus-cache-removable-articles gnus-newsgroup-cached
1005 gnus-newsgroup-data gnus-newsgroup-data-reverse
1006 gnus-newsgroup-limit gnus-newsgroup-limits)
1007 "Variables that are buffer-local to the summary buffers.")
1009 ;; Byte-compiler warning.
1010 (defvar gnus-article-mode-map)
1012 ;; Subject simplification.
1014 (defun gnus-simplify-whitespace (str)
1015 "Remove excessive whitespace."
1018 (while (string-match "[ \t][ \t]+" mystr)
1019 (setq mystr (concat (substring mystr 0 (match-beginning 0))
1021 (substring mystr (match-end 0)))))
1023 (when (string-match "^[ \t]+" mystr)
1024 (setq mystr (substring mystr (match-end 0))))
1026 (when (string-match "[ \t]+$" mystr)
1027 (setq mystr (substring mystr 0 (match-beginning 0))))
1030 (defsubst gnus-simplify-subject-re (subject)
1031 "Remove \"Re:\" from subject lines."
1032 (if (string-match "^[Rr][Ee]: *" subject)
1033 (substring subject (match-end 0))
1036 (defun gnus-simplify-subject (subject &optional re-only)
1037 "Remove `Re:' and words in parentheses.
1038 If RE-ONLY is non-nil, strip leading `Re:'s only."
1039 (let ((case-fold-search t)) ;Ignore case.
1040 ;; Remove `Re:', `Re^N:', `Re(n)', and `Re[n]:'.
1041 (when (string-match "\\`\\(re\\([[(^][0-9]+[])]?\\)?:[ \t]*\\)+" subject)
1042 (setq subject (substring subject (match-end 0))))
1043 ;; Remove uninteresting prefixes.
1044 (when (and (not re-only)
1045 gnus-simplify-ignored-prefixes
1046 (string-match gnus-simplify-ignored-prefixes subject))
1047 (setq subject (substring subject (match-end 0))))
1048 ;; Remove words in parentheses from end.
1050 (while (string-match "[ \t\n]*([^()]*)[ \t\n]*\\'" subject)
1051 (setq subject (substring subject 0 (match-beginning 0)))))
1052 ;; Return subject string.
1055 ;; Remove any leading "re:"s, any trailing paren phrases, and simplify
1057 (defsubst gnus-simplify-buffer-fuzzy-step (regexp &optional newtext)
1058 (goto-char (point-min))
1059 (while (re-search-forward regexp nil t)
1060 (replace-match (or newtext ""))))
1062 (defun gnus-simplify-buffer-fuzzy ()
1063 "Simplify string in the buffer fuzzily.
1064 The string in the accessible portion of the current buffer is simplified.
1065 It is assumed to be a single-line subject.
1066 Whitespace is generally cleaned up, and miscellaneous leading/trailing
1067 matter is removed. Additional things can be deleted by setting
1068 gnus-simplify-subject-fuzzy-regexp."
1069 (let ((case-fold-search t)
1071 (gnus-simplify-buffer-fuzzy-step "\t" " ")
1073 (while (not (eq modified-tick (buffer-modified-tick)))
1074 (setq modified-tick (buffer-modified-tick))
1076 ((listp gnus-simplify-subject-fuzzy-regexp)
1077 (mapcar 'gnus-simplify-buffer-fuzzy-step
1078 gnus-simplify-subject-fuzzy-regexp))
1079 (gnus-simplify-subject-fuzzy-regexp
1080 (gnus-simplify-buffer-fuzzy-step gnus-simplify-subject-fuzzy-regexp)))
1081 (gnus-simplify-buffer-fuzzy-step "^ *\\[[-+?*!][-+?*!]\\] *")
1082 (gnus-simplify-buffer-fuzzy-step
1083 "^ *\\(re\\|fw\\|fwd\\)[[{(^0-9]*[])}]?[:;] *")
1084 (gnus-simplify-buffer-fuzzy-step "^[[].*:\\( .*\\)[]]$" "\\1"))
1086 (gnus-simplify-buffer-fuzzy-step " *[[{(][^()\n]*[]})] *$")
1087 (gnus-simplify-buffer-fuzzy-step " +" " ")
1088 (gnus-simplify-buffer-fuzzy-step " $")
1089 (gnus-simplify-buffer-fuzzy-step "^ +")))
1091 (defun gnus-simplify-subject-fuzzy (subject)
1092 "Simplify a subject string fuzzily.
1093 See `gnus-simplify-buffer-fuzzy' for details."
1095 (gnus-set-work-buffer)
1096 (let ((case-fold-search t))
1097 ;; Remove uninteresting prefixes.
1098 (when (and gnus-simplify-ignored-prefixes
1099 (string-match gnus-simplify-ignored-prefixes subject))
1100 (setq subject (substring subject (match-end 0))))
1102 (inline (gnus-simplify-buffer-fuzzy))
1105 (defsubst gnus-simplify-subject-fully (subject)
1106 "Simplify a subject string according to gnus-summary-gather-subject-limit."
1108 (gnus-simplify-subject-functions
1109 (gnus-map-function gnus-simplify-subject-functions subject))
1110 ((null gnus-summary-gather-subject-limit)
1111 (gnus-simplify-subject-re subject))
1112 ((eq gnus-summary-gather-subject-limit 'fuzzy)
1113 (gnus-simplify-subject-fuzzy subject))
1114 ((numberp gnus-summary-gather-subject-limit)
1115 (gnus-limit-string (gnus-simplify-subject-re subject)
1116 gnus-summary-gather-subject-limit))
1120 (defsubst gnus-subject-equal (s1 s2 &optional simple-first)
1121 "Check whether two subjects are equal.
1122 If optional argument simple-first is t, first argument is already
1125 ((null simple-first)
1126 (equal (gnus-simplify-subject-fully s1)
1127 (gnus-simplify-subject-fully s2)))
1130 (gnus-simplify-subject-fully s2)))))
1132 (defun gnus-summary-bubble-group ()
1133 "Increase the score of the current group.
1134 This is a handy function to add to `gnus-summary-exit-hook' to
1135 increase the score of each group you read."
1136 (gnus-group-add-score gnus-newsgroup-name))
1140 ;;; Gnus summary mode
1143 (put 'gnus-summary-mode 'mode-class 'special)
1146 ;; Non-orthogonal keys
1148 (gnus-define-keys gnus-summary-mode-map
1149 " " gnus-summary-next-page
1150 "\177" gnus-summary-prev-page
1151 [delete] gnus-summary-prev-page
1152 [backspace] gnus-summary-prev-page
1153 "\r" gnus-summary-scroll-up
1154 "\e\r" gnus-summary-scroll-down
1155 "n" gnus-summary-next-unread-article
1156 "p" gnus-summary-prev-unread-article
1157 "N" gnus-summary-next-article
1158 "P" gnus-summary-prev-article
1159 "\M-\C-n" gnus-summary-next-same-subject
1160 "\M-\C-p" gnus-summary-prev-same-subject
1161 "\M-n" gnus-summary-next-unread-subject
1162 "\M-p" gnus-summary-prev-unread-subject
1163 "." gnus-summary-first-unread-article
1164 "," gnus-summary-best-unread-article
1165 "\M-s" gnus-summary-search-article-forward
1166 "\M-r" gnus-summary-search-article-backward
1167 "<" gnus-summary-beginning-of-article
1168 ">" gnus-summary-end-of-article
1169 "j" gnus-summary-goto-article
1170 "^" gnus-summary-refer-parent-article
1171 "\M-^" gnus-summary-refer-article
1172 "u" gnus-summary-tick-article-forward
1173 "!" gnus-summary-tick-article-forward
1174 "U" gnus-summary-tick-article-backward
1175 "d" gnus-summary-mark-as-read-forward
1176 "D" gnus-summary-mark-as-read-backward
1177 "E" gnus-summary-mark-as-expirable
1178 "\M-u" gnus-summary-clear-mark-forward
1179 "\M-U" gnus-summary-clear-mark-backward
1180 "k" gnus-summary-kill-same-subject-and-select
1181 "\C-k" gnus-summary-kill-same-subject
1182 "\M-\C-k" gnus-summary-kill-thread
1183 "\M-\C-l" gnus-summary-lower-thread
1184 "e" gnus-summary-edit-article
1185 "#" gnus-summary-mark-as-processable
1186 "\M-#" gnus-summary-unmark-as-processable
1187 "\M-\C-t" gnus-summary-toggle-threads
1188 "\M-\C-s" gnus-summary-show-thread
1189 "\M-\C-h" gnus-summary-hide-thread
1190 "\M-\C-f" gnus-summary-next-thread
1191 "\M-\C-b" gnus-summary-prev-thread
1192 "\M-\C-u" gnus-summary-up-thread
1193 "\M-\C-d" gnus-summary-down-thread
1194 "&" gnus-summary-execute-command
1195 "c" gnus-summary-catchup-and-exit
1196 "\C-w" gnus-summary-mark-region-as-read
1197 "\C-t" gnus-summary-toggle-truncation
1198 "?" gnus-summary-mark-as-dormant
1199 "\C-c\M-\C-s" gnus-summary-limit-include-expunged
1200 "\C-c\C-s\C-n" gnus-summary-sort-by-number
1201 "\C-c\C-s\C-l" gnus-summary-sort-by-lines
1202 "\C-c\C-s\C-a" gnus-summary-sort-by-author
1203 "\C-c\C-s\C-s" gnus-summary-sort-by-subject
1204 "\C-c\C-s\C-d" gnus-summary-sort-by-date
1205 "\C-c\C-s\C-i" gnus-summary-sort-by-score
1206 "=" gnus-summary-expand-window
1207 "\C-x\C-s" gnus-summary-reselect-current-group
1208 "\M-g" gnus-summary-rescan-group
1209 "w" gnus-summary-stop-page-breaking
1210 "\C-c\C-r" gnus-summary-caesar-message
1211 "\M-t" gnus-summary-toggle-mime
1212 "f" gnus-summary-followup
1213 "F" gnus-summary-followup-with-original
1214 "C" gnus-summary-cancel-article
1215 "r" gnus-summary-reply
1216 "R" gnus-summary-reply-with-original
1217 "\C-c\C-f" gnus-summary-mail-forward
1218 "o" gnus-summary-save-article
1219 "\C-o" gnus-summary-save-article-mail
1220 "|" gnus-summary-pipe-output
1221 "\M-k" gnus-summary-edit-local-kill
1222 "\M-K" gnus-summary-edit-global-kill
1224 "\C-c\C-d" gnus-summary-describe-group
1225 "q" gnus-summary-exit
1226 "Q" gnus-summary-exit-no-update
1227 "\C-c\C-i" gnus-info-find-node
1228 gnus-mouse-2 gnus-mouse-pick-article
1229 "m" gnus-summary-mail-other-window
1230 "a" gnus-summary-post-news
1231 "x" gnus-summary-limit-to-unread
1232 "s" gnus-summary-isearch-article
1233 "t" gnus-article-hide-headers
1234 "g" gnus-summary-show-article
1235 "l" gnus-summary-goto-last-article
1236 "v" gnus-summary-preview-mime-message
1237 "\C-c\C-v\C-v" gnus-uu-decode-uu-view
1238 "\C-d" gnus-summary-enter-digest-group
1239 "\M-\C-d" gnus-summary-read-document
1240 "\M-\C-e" gnus-summary-edit-parameters
1242 "*" gnus-cache-enter-article
1243 "\M-*" gnus-cache-remove-article
1244 "\M-&" gnus-summary-universal-argument
1245 "\C-l" gnus-recenter
1246 "I" gnus-summary-increase-score
1247 "L" gnus-summary-lower-score
1248 "\M-i" gnus-symbolic-argument
1249 "h" gnus-summary-select-article-buffer
1251 "V" gnus-summary-score-map
1252 "X" gnus-uu-extract-map
1253 "S" gnus-summary-send-map)
1255 ;; Sort of orthogonal keymap
1256 (gnus-define-keys (gnus-summary-mark-map "M" gnus-summary-mode-map)
1257 "t" gnus-summary-tick-article-forward
1258 "!" gnus-summary-tick-article-forward
1259 "d" gnus-summary-mark-as-read-forward
1260 "r" gnus-summary-mark-as-read-forward
1261 "c" gnus-summary-clear-mark-forward
1262 " " gnus-summary-clear-mark-forward
1263 "e" gnus-summary-mark-as-expirable
1264 "x" gnus-summary-mark-as-expirable
1265 "?" gnus-summary-mark-as-dormant
1266 "b" gnus-summary-set-bookmark
1267 "B" gnus-summary-remove-bookmark
1268 "#" gnus-summary-mark-as-processable
1269 "\M-#" gnus-summary-unmark-as-processable
1270 "S" gnus-summary-limit-include-expunged
1271 "C" gnus-summary-catchup
1272 "H" gnus-summary-catchup-to-here
1273 "\C-c" gnus-summary-catchup-all
1274 "k" gnus-summary-kill-same-subject-and-select
1275 "K" gnus-summary-kill-same-subject
1276 "P" gnus-uu-mark-map)
1278 (gnus-define-keys (gnus-summary-mscore-map "V" gnus-summary-mark-map)
1279 "c" gnus-summary-clear-above
1280 "u" gnus-summary-tick-above
1281 "m" gnus-summary-mark-above
1282 "k" gnus-summary-kill-below)
1284 (gnus-define-keys (gnus-summary-limit-map "/" gnus-summary-mode-map)
1285 "/" gnus-summary-limit-to-subject
1286 "n" gnus-summary-limit-to-articles
1287 "w" gnus-summary-pop-limit
1288 "s" gnus-summary-limit-to-subject
1289 "a" gnus-summary-limit-to-author
1290 "u" gnus-summary-limit-to-unread
1291 "m" gnus-summary-limit-to-marks
1292 "v" gnus-summary-limit-to-score
1293 "*" gnus-summary-limit-include-cached
1294 "D" gnus-summary-limit-include-dormant
1295 "T" gnus-summary-limit-include-thread
1296 "d" gnus-summary-limit-exclude-dormant
1297 "t" gnus-summary-limit-to-age
1298 "E" gnus-summary-limit-include-expunged
1299 "c" gnus-summary-limit-exclude-childless-dormant
1300 "C" gnus-summary-limit-mark-excluded-as-read)
1302 (gnus-define-keys (gnus-summary-goto-map "G" gnus-summary-mode-map)
1303 "n" gnus-summary-next-unread-article
1304 "p" gnus-summary-prev-unread-article
1305 "N" gnus-summary-next-article
1306 "P" gnus-summary-prev-article
1307 "\C-n" gnus-summary-next-same-subject
1308 "\C-p" gnus-summary-prev-same-subject
1309 "\M-n" gnus-summary-next-unread-subject
1310 "\M-p" gnus-summary-prev-unread-subject
1311 "f" gnus-summary-first-unread-article
1312 "b" gnus-summary-best-unread-article
1313 "j" gnus-summary-goto-article
1314 "g" gnus-summary-goto-subject
1315 "l" gnus-summary-goto-last-article
1316 "o" gnus-summary-pop-article)
1318 (gnus-define-keys (gnus-summary-thread-map "T" gnus-summary-mode-map)
1319 "k" gnus-summary-kill-thread
1320 "l" gnus-summary-lower-thread
1321 "i" gnus-summary-raise-thread
1322 "T" gnus-summary-toggle-threads
1323 "t" gnus-summary-rethread-current
1324 "^" gnus-summary-reparent-thread
1325 "s" gnus-summary-show-thread
1326 "S" gnus-summary-show-all-threads
1327 "h" gnus-summary-hide-thread
1328 "H" gnus-summary-hide-all-threads
1329 "n" gnus-summary-next-thread
1330 "p" gnus-summary-prev-thread
1331 "u" gnus-summary-up-thread
1332 "o" gnus-summary-top-thread
1333 "d" gnus-summary-down-thread
1334 "#" gnus-uu-mark-thread
1335 "\M-#" gnus-uu-unmark-thread)
1337 (gnus-define-keys (gnus-summary-buffer-map "Y" gnus-summary-mode-map)
1338 "g" gnus-summary-prepare
1339 "c" gnus-summary-insert-cached-articles)
1341 (gnus-define-keys (gnus-summary-exit-map "Z" gnus-summary-mode-map)
1342 "c" gnus-summary-catchup-and-exit
1343 "C" gnus-summary-catchup-all-and-exit
1344 "E" gnus-summary-exit-no-update
1345 "Q" gnus-summary-exit
1346 "Z" gnus-summary-exit
1347 "n" gnus-summary-catchup-and-goto-next-group
1348 "R" gnus-summary-reselect-current-group
1349 "G" gnus-summary-rescan-group
1350 "N" gnus-summary-next-group
1351 "s" gnus-summary-save-newsrc
1352 "P" gnus-summary-prev-group)
1354 (gnus-define-keys (gnus-summary-article-map "A" gnus-summary-mode-map)
1355 " " gnus-summary-next-page
1356 "n" gnus-summary-next-page
1357 "\177" gnus-summary-prev-page
1358 [delete] gnus-summary-prev-page
1359 "p" gnus-summary-prev-page
1360 "\r" gnus-summary-scroll-up
1361 "<" gnus-summary-beginning-of-article
1362 ">" gnus-summary-end-of-article
1363 "b" gnus-summary-beginning-of-article
1364 "e" gnus-summary-end-of-article
1365 "^" gnus-summary-refer-parent-article
1366 "r" gnus-summary-refer-parent-article
1367 "R" gnus-summary-refer-references
1368 "T" gnus-summary-refer-thread
1369 "g" gnus-summary-show-article
1370 "s" gnus-summary-isearch-article
1371 "P" gnus-summary-print-article)
1373 (gnus-define-keys (gnus-summary-wash-map "W" gnus-summary-mode-map)
1374 "b" gnus-article-add-buttons
1375 "B" gnus-article-add-buttons-to-head
1376 "o" gnus-article-treat-overstrike
1377 "e" gnus-article-emphasize
1378 "w" gnus-article-fill-cited-article
1379 "c" gnus-article-remove-cr
1380 "f" gnus-article-display-x-face
1381 "l" gnus-summary-stop-page-breaking
1382 "r" gnus-summary-caesar-message
1383 "t" gnus-article-hide-headers
1384 "v" gnus-summary-verbose-headers
1385 "m" gnus-summary-toggle-mime
1386 "h" gnus-article-treat-html
1387 "d" gnus-article-treat-dumbquotes)
1389 (gnus-define-keys (gnus-summary-wash-hide-map "W" gnus-summary-wash-map)
1390 "a" gnus-article-hide
1391 "h" gnus-article-hide-headers
1392 "b" gnus-article-hide-boring-headers
1393 "s" gnus-article-hide-signature
1394 "c" gnus-article-hide-citation
1395 "p" gnus-article-hide-pgp
1396 "P" gnus-article-hide-pem
1397 "\C-c" gnus-article-hide-citation-maybe)
1399 (gnus-define-keys (gnus-summary-wash-highlight-map "H" gnus-summary-wash-map)
1400 "a" gnus-article-highlight
1401 "h" gnus-article-highlight-headers
1402 "c" gnus-article-highlight-citation
1403 "s" gnus-article-highlight-signature)
1405 (gnus-define-keys (gnus-summary-wash-time-map "T" gnus-summary-wash-map)
1406 "z" gnus-article-date-ut
1407 "u" gnus-article-date-ut
1408 "l" gnus-article-date-local
1409 "e" gnus-article-date-lapsed
1410 "o" gnus-article-date-original
1411 "i" gnus-article-date-iso8601
1412 "s" gnus-article-date-user)
1414 (gnus-define-keys (gnus-summary-wash-empty-map "E" gnus-summary-wash-map)
1415 "t" gnus-article-remove-trailing-blank-lines
1416 "l" gnus-article-strip-leading-blank-lines
1417 "m" gnus-article-strip-multiple-blank-lines
1418 "a" gnus-article-strip-blank-lines
1419 "A" gnus-article-strip-all-blank-lines
1420 "s" gnus-article-strip-leading-space)
1422 (gnus-define-keys (gnus-summary-help-map "H" gnus-summary-mode-map)
1424 "f" gnus-summary-fetch-faq
1425 "d" gnus-summary-describe-group
1426 "h" gnus-summary-describe-briefly
1427 "i" gnus-info-find-node)
1429 (gnus-define-keys (gnus-summary-backend-map "B" gnus-summary-mode-map)
1430 "e" gnus-summary-expire-articles
1431 "\M-\C-e" gnus-summary-expire-articles-now
1432 "\177" gnus-summary-delete-article
1433 [delete] gnus-summary-delete-article
1434 "m" gnus-summary-move-article
1435 "r" gnus-summary-respool-article
1436 "w" gnus-summary-edit-article
1437 "c" gnus-summary-copy-article
1438 "B" gnus-summary-crosspost-article
1439 "q" gnus-summary-respool-query
1440 "i" gnus-summary-import-article
1441 "p" gnus-summary-article-posted-p)
1443 (gnus-define-keys (gnus-summary-save-map "O" gnus-summary-mode-map)
1444 "o" gnus-summary-save-article
1445 "m" gnus-summary-save-article-mail
1446 "F" gnus-summary-write-article-file
1447 "r" gnus-summary-save-article-rmail
1448 "f" gnus-summary-save-article-file
1449 "b" gnus-summary-save-article-body-file
1450 "h" gnus-summary-save-article-folder
1451 "v" gnus-summary-save-article-vm
1452 "p" gnus-summary-pipe-output
1453 "s" gnus-soup-add-article))
1455 (defun gnus-summary-make-menu-bar ()
1456 (gnus-turn-off-edit-menu 'summary)
1458 (unless (boundp 'gnus-summary-misc-menu)
1461 gnus-summary-kill-menu gnus-summary-mode-map ""
1466 ["Enter score..." gnus-summary-score-entry t]
1467 ["Customize" gnus-score-customize t])
1468 (gnus-make-score-map 'increase)
1469 (gnus-make-score-map 'lower)
1471 ["Kill below" gnus-summary-kill-below t]
1472 ["Mark above" gnus-summary-mark-above t]
1473 ["Tick above" gnus-summary-tick-above t]
1474 ["Clear above" gnus-summary-clear-above t])
1475 ["Current score" gnus-summary-current-score t]
1476 ["Set score" gnus-summary-set-score t]
1477 ["Switch current score file..." gnus-score-change-score-file t]
1478 ["Set mark below..." gnus-score-set-mark-below t]
1479 ["Set expunge below..." gnus-score-set-expunge-below t]
1480 ["Edit current score file" gnus-score-edit-current-scores t]
1481 ["Edit score file" gnus-score-edit-file t]
1482 ["Trace score" gnus-score-find-trace t]
1483 ["Find words" gnus-score-find-favourite-words t]
1484 ["Rescore buffer" gnus-summary-rescore t]
1485 ["Increase score..." gnus-summary-increase-score t]
1486 ["Lower score..." gnus-summary-lower-score t]))))
1489 ["Ask" (gnus-score-set-default 'gnus-score-default-header nil)
1491 :selected (null gnus-score-default-header)]
1492 ["From" (gnus-score-set-default 'gnus-score-default-header 'a)
1494 :selected (eq gnus-score-default-header 'a)]
1495 ["Subject" (gnus-score-set-default 'gnus-score-default-header 's)
1497 :selected (eq gnus-score-default-header 's)]
1499 (gnus-score-set-default 'gnus-score-default-header 'b)
1501 :selected (eq gnus-score-default-header 'b )]
1503 (gnus-score-set-default 'gnus-score-default-header 'h)
1505 :selected (eq gnus-score-default-header 'h )]
1506 ["Message-ID" (gnus-score-set-default 'gnus-score-default-header 'i)
1508 :selected (eq gnus-score-default-header 'i )]
1509 ["Thread" (gnus-score-set-default 'gnus-score-default-header 't)
1511 :selected (eq gnus-score-default-header 't )]
1513 (gnus-score-set-default 'gnus-score-default-header 'x)
1515 :selected (eq gnus-score-default-header 'x )]
1516 ["Lines" (gnus-score-set-default 'gnus-score-default-header 'l)
1518 :selected (eq gnus-score-default-header 'l )]
1519 ["Date" (gnus-score-set-default 'gnus-score-default-header 'd)
1521 :selected (eq gnus-score-default-header 'd )]
1522 ["Followups to author"
1523 (gnus-score-set-default 'gnus-score-default-header 'f)
1525 :selected (eq gnus-score-default-header 'f )])
1527 ["Ask" (gnus-score-set-default 'gnus-score-default-type nil)
1529 :selected (null gnus-score-default-type)]
1530 ;; The `:active' key is commented out in the following,
1531 ;; because the GNU Emacs hack to support radio buttons use
1532 ;; active to indicate which button is selected.
1533 ["Substring" (gnus-score-set-default 'gnus-score-default-type 's)
1535 ;; :active (not (memq gnus-score-default-header '(l d)))
1536 :selected (eq gnus-score-default-type 's)]
1537 ["Regexp" (gnus-score-set-default 'gnus-score-default-type 'r)
1539 ;; :active (not (memq gnus-score-default-header '(l d)))
1540 :selected (eq gnus-score-default-type 'r)]
1541 ["Exact" (gnus-score-set-default 'gnus-score-default-type 'e)
1543 ;; :active (not (memq gnus-score-default-header '(l d)))
1544 :selected (eq gnus-score-default-type 'e)]
1545 ["Fuzzy" (gnus-score-set-default 'gnus-score-default-type 'f)
1547 ;; :active (not (memq gnus-score-default-header '(l d)))
1548 :selected (eq gnus-score-default-type 'f)]
1549 ["Before date" (gnus-score-set-default 'gnus-score-default-type 'b)
1551 ;; :active (eq (gnus-score-default-header 'd))
1552 :selected (eq gnus-score-default-type 'b)]
1553 ["At date" (gnus-score-set-default 'gnus-score-default-type 'n)
1555 ;; :active (eq (gnus-score-default-header 'd))
1556 :selected (eq gnus-score-default-type 'n)]
1557 ["After date" (gnus-score-set-default 'gnus-score-default-type 'a)
1559 ;; :active (eq (gnus-score-default-header 'd))
1560 :selected (eq gnus-score-default-type 'a)]
1562 (gnus-score-set-default 'gnus-score-default-type '<)
1564 ;; :active (eq (gnus-score-default-header 'l))
1565 :selected (eq gnus-score-default-type '<)]
1567 (gnus-score-set-default 'gnus-score-default-type '=)
1569 ;; :active (eq (gnus-score-default-header 'l))
1570 :selected (eq gnus-score-default-type '=)]
1571 ["Greater than number"
1572 (gnus-score-set-default 'gnus-score-default-type '>)
1574 ;; :active (eq (gnus-score-default-header 'l))
1575 :selected (eq gnus-score-default-type '>)])
1576 ["Default fold" gnus-score-default-fold-toggle
1578 :selected gnus-score-default-fold]
1580 ["Ask" (gnus-score-set-default 'gnus-score-default-duration nil)
1582 :selected (null gnus-score-default-duration)]
1584 (gnus-score-set-default 'gnus-score-default-duration 'p)
1586 :selected (eq gnus-score-default-duration 'p)]
1588 (gnus-score-set-default 'gnus-score-default-duration 't)
1590 :selected (eq gnus-score-default-duration 't)]
1592 (gnus-score-set-default 'gnus-score-default-duration 'i)
1594 :selected (eq gnus-score-default-duration 'i)]))
1597 gnus-summary-article-menu gnus-summary-mode-map ""
1600 ["All" gnus-article-hide t]
1601 ["Headers" gnus-article-hide-headers t]
1602 ["Signature" gnus-article-hide-signature t]
1603 ["Citation" gnus-article-hide-citation t]
1604 ["PGP" gnus-article-hide-pgp t]
1605 ["Boring headers" gnus-article-hide-boring-headers t])
1607 ["All" gnus-article-highlight t]
1608 ["Headers" gnus-article-highlight-headers t]
1609 ["Signature" gnus-article-highlight-signature t]
1610 ["Citation" gnus-article-highlight-citation t])
1612 ["Local" gnus-article-date-local t]
1613 ["ISO8601" gnus-article-date-iso8601 t]
1614 ["UT" gnus-article-date-ut t]
1615 ["Original" gnus-article-date-original t]
1616 ["Lapsed" gnus-article-date-lapsed t]
1617 ["User-defined" gnus-article-date-user t])
1620 ["Leading" gnus-article-strip-leading-blank-lines t]
1621 ["Multiple" gnus-article-strip-multiple-blank-lines t]
1622 ["Trailing" gnus-article-remove-trailing-blank-lines t]
1623 ["All of the above" gnus-article-strip-blank-lines t]
1624 ["All" gnus-article-strip-all-blank-lines t]
1625 ["Leading space" gnus-article-strip-leading-space t])
1626 ["Overstrike" gnus-article-treat-overstrike t]
1627 ["Dumb quotes" gnus-article-treat-dumbquotes t]
1628 ["Emphasis" gnus-article-emphasize t]
1629 ["Word wrap" gnus-article-fill-cited-article t]
1630 ["CR" gnus-article-remove-cr t]
1631 ["Show X-Face" gnus-article-display-x-face t]
1632 ["UnHTMLize" gnus-article-treat-html t]
1633 ["Rot 13" gnus-summary-caesar-message t]
1634 ["Unix pipe" gnus-summary-pipe-message t]
1635 ["Add buttons" gnus-article-add-buttons t]
1636 ["Add buttons to head" gnus-article-add-buttons-to-head t]
1637 ["Stop page breaking" gnus-summary-stop-page-breaking t]
1638 ["Toggle MIME" gnus-summary-toggle-mime t]
1639 ["Verbose header" gnus-summary-verbose-headers t]
1640 ["Toggle header" gnus-summary-toggle-header t])
1642 ["Save in default format" gnus-summary-save-article t]
1643 ["Save in file" gnus-summary-save-article-file t]
1644 ["Save in Unix mail format" gnus-summary-save-article-mail t]
1645 ["Save in MH folder" gnus-summary-save-article-folder t]
1646 ["Save in VM folder" gnus-summary-save-article-vm t]
1647 ["Save in RMAIL mbox" gnus-summary-save-article-rmail t]
1648 ["Save body in file" gnus-summary-save-article-body-file t]
1649 ["Pipe through a filter" gnus-summary-pipe-output t]
1650 ["Add to SOUP packet" gnus-soup-add-article t]
1651 ["Print" gnus-summary-print-article t])
1653 ["Respool article..." gnus-summary-respool-article t]
1654 ["Move article..." gnus-summary-move-article
1655 (gnus-check-backend-function
1656 'request-move-article gnus-newsgroup-name)]
1657 ["Copy article..." gnus-summary-copy-article t]
1658 ["Crosspost article..." gnus-summary-crosspost-article
1659 (gnus-check-backend-function
1660 'request-replace-article gnus-newsgroup-name)]
1661 ["Import file..." gnus-summary-import-article t]
1662 ["Check if posted" gnus-summary-article-posted-p t]
1663 ["Edit article" gnus-summary-edit-article
1664 (not (gnus-group-read-only-p))]
1665 ["Delete article" gnus-summary-delete-article
1666 (gnus-check-backend-function
1667 'request-expire-articles gnus-newsgroup-name)]
1668 ["Query respool" gnus-summary-respool-query t]
1669 ["Delete expirable articles" gnus-summary-expire-articles-now
1670 (gnus-check-backend-function
1671 'request-expire-articles gnus-newsgroup-name)])
1673 ["Uudecode" gnus-uu-decode-uu t]
1674 ["Uudecode and save" gnus-uu-decode-uu-and-save t]
1675 ["Unshar" gnus-uu-decode-unshar t]
1676 ["Unshar and save" gnus-uu-decode-unshar-and-save t]
1677 ["Save" gnus-uu-decode-save t]
1678 ["Binhex" gnus-uu-decode-binhex t]
1679 ["Postscript" gnus-uu-decode-postscript t])
1681 ["Enter article" gnus-cache-enter-article t]
1682 ["Remove article" gnus-cache-remove-article t])
1683 ["Select article buffer" gnus-summary-select-article-buffer t]
1684 ["Enter digest buffer" gnus-summary-enter-digest-group t]
1685 ["Isearch article..." gnus-summary-isearch-article t]
1686 ["Beginning of the article" gnus-summary-beginning-of-article t]
1687 ["End of the article" gnus-summary-end-of-article t]
1688 ["Fetch parent of article" gnus-summary-refer-parent-article t]
1689 ["Fetch referenced articles" gnus-summary-refer-references t]
1690 ["Fetch current thread" gnus-summary-refer-thread t]
1691 ["Fetch article with id..." gnus-summary-refer-article t]
1692 ["Redisplay" gnus-summary-show-article t]))
1695 gnus-summary-thread-menu gnus-summary-mode-map ""
1697 ["Toggle threading" gnus-summary-toggle-threads t]
1698 ["Hide threads" gnus-summary-hide-all-threads t]
1699 ["Show threads" gnus-summary-show-all-threads t]
1700 ["Hide thread" gnus-summary-hide-thread t]
1701 ["Show thread" gnus-summary-show-thread t]
1702 ["Go to next thread" gnus-summary-next-thread t]
1703 ["Go to previous thread" gnus-summary-prev-thread t]
1704 ["Go down thread" gnus-summary-down-thread t]
1705 ["Go up thread" gnus-summary-up-thread t]
1706 ["Top of thread" gnus-summary-top-thread t]
1707 ["Mark thread as read" gnus-summary-kill-thread t]
1708 ["Lower thread score" gnus-summary-lower-thread t]
1709 ["Raise thread score" gnus-summary-raise-thread t]
1710 ["Rethread current" gnus-summary-rethread-current t]
1714 gnus-summary-post-menu gnus-summary-mode-map ""
1716 ["Post an article" gnus-summary-post-news t]
1717 ["Followup" gnus-summary-followup t]
1718 ["Followup and yank" gnus-summary-followup-with-original t]
1719 ["Supersede article" gnus-summary-supersede-article t]
1720 ["Cancel article" gnus-summary-cancel-article t]
1721 ["Reply" gnus-summary-reply t]
1722 ["Reply and yank" gnus-summary-reply-with-original t]
1723 ["Wide reply" gnus-summary-wide-reply t]
1724 ["Wide reply and yank" gnus-summary-wide-reply-with-original t]
1725 ["Mail forward" gnus-summary-mail-forward t]
1726 ["Post forward" gnus-summary-post-forward t]
1727 ["Digest and mail" gnus-uu-digest-mail-forward t]
1728 ["Digest and post" gnus-uu-digest-post-forward t]
1729 ["Resend message" gnus-summary-resend-message t]
1730 ["Send bounced mail" gnus-summary-resend-bounced-mail t]
1731 ["Send a mail" gnus-summary-mail-other-window t]
1732 ["Uuencode and post" gnus-uu-post-news t]
1733 ["Followup via news" gnus-summary-followup-to-mail t]
1734 ["Followup via news and yank"
1735 gnus-summary-followup-to-mail-with-original t]
1737 ;;["Send" gnus-summary-send-draft t]
1738 ;;["Send bounced" gnus-resend-bounced-mail t])
1742 gnus-summary-misc-menu gnus-summary-mode-map ""
1745 ["Mark as read" gnus-summary-mark-as-read-forward t]
1746 ["Mark same subject and select"
1747 gnus-summary-kill-same-subject-and-select t]
1748 ["Mark same subject" gnus-summary-kill-same-subject t]
1749 ["Catchup" gnus-summary-catchup t]
1750 ["Catchup all" gnus-summary-catchup-all t]
1751 ["Catchup to here" gnus-summary-catchup-to-here t]
1752 ["Catchup region" gnus-summary-mark-region-as-read t]
1753 ["Mark excluded" gnus-summary-limit-mark-excluded-as-read t])
1755 ["Tick" gnus-summary-tick-article-forward t]
1756 ["Mark as dormant" gnus-summary-mark-as-dormant t]
1757 ["Remove marks" gnus-summary-clear-mark-forward t]
1758 ["Set expirable mark" gnus-summary-mark-as-expirable t]
1759 ["Set bookmark" gnus-summary-set-bookmark t]
1760 ["Remove bookmark" gnus-summary-remove-bookmark t])
1762 ["Marks..." gnus-summary-limit-to-marks t]
1763 ["Subject..." gnus-summary-limit-to-subject t]
1764 ["Author..." gnus-summary-limit-to-author t]
1765 ["Age..." gnus-summary-limit-to-age t]
1766 ["Score" gnus-summary-limit-to-score t]
1767 ["Unread" gnus-summary-limit-to-unread t]
1768 ["Non-dormant" gnus-summary-limit-exclude-dormant t]
1769 ["Articles" gnus-summary-limit-to-articles t]
1770 ["Pop limit" gnus-summary-pop-limit t]
1771 ["Show dormant" gnus-summary-limit-include-dormant t]
1772 ["Hide childless dormant"
1773 gnus-summary-limit-exclude-childless-dormant t]
1774 ;;["Hide thread" gnus-summary-limit-exclude-thread t]
1775 ["Show expunged" gnus-summary-show-all-expunged t])
1777 ["Set mark" gnus-summary-mark-as-processable t]
1778 ["Remove mark" gnus-summary-unmark-as-processable t]
1779 ["Remove all marks" gnus-summary-unmark-all-processable t]
1780 ["Mark above" gnus-uu-mark-over t]
1781 ["Mark series" gnus-uu-mark-series t]
1782 ["Mark region" gnus-uu-mark-region t]
1783 ["Mark by regexp..." gnus-uu-mark-by-regexp t]
1784 ["Mark all" gnus-uu-mark-all t]
1785 ["Mark buffer" gnus-uu-mark-buffer t]
1786 ["Mark sparse" gnus-uu-mark-sparse t]
1787 ["Mark thread" gnus-uu-mark-thread t]
1788 ["Unmark thread" gnus-uu-unmark-thread t]
1789 ("Process Mark Sets"
1790 ["Kill" gnus-summary-kill-process-mark t]
1791 ["Yank" gnus-summary-yank-process-mark
1792 gnus-newsgroup-process-stack]
1793 ["Save" gnus-summary-save-process-mark t]))
1795 ["Page forward" gnus-summary-next-page t]
1796 ["Page backward" gnus-summary-prev-page t]
1797 ["Line forward" gnus-summary-scroll-up t])
1799 ["Next unread article" gnus-summary-next-unread-article t]
1800 ["Previous unread article" gnus-summary-prev-unread-article t]
1801 ["Next article" gnus-summary-next-article t]
1802 ["Previous article" gnus-summary-prev-article t]
1803 ["Next unread subject" gnus-summary-next-unread-subject t]
1804 ["Previous unread subject" gnus-summary-prev-unread-subject t]
1805 ["Next article same subject" gnus-summary-next-same-subject t]
1806 ["Previous article same subject" gnus-summary-prev-same-subject t]
1807 ["First unread article" gnus-summary-first-unread-article t]
1808 ["Best unread article" gnus-summary-best-unread-article t]
1809 ["Go to subject number..." gnus-summary-goto-subject t]
1810 ["Go to article number..." gnus-summary-goto-article t]
1811 ["Go to the last article" gnus-summary-goto-last-article t]
1812 ["Pop article off history" gnus-summary-pop-article t])
1814 ["Sort by number" gnus-summary-sort-by-number t]
1815 ["Sort by author" gnus-summary-sort-by-author t]
1816 ["Sort by subject" gnus-summary-sort-by-subject t]
1817 ["Sort by date" gnus-summary-sort-by-date t]
1818 ["Sort by score" gnus-summary-sort-by-score t]
1819 ["Sort by lines" gnus-summary-sort-by-lines t])
1821 ["Fetch group FAQ" gnus-summary-fetch-faq t]
1822 ["Describe group" gnus-summary-describe-group t]
1823 ["Read manual" gnus-info-find-node t])
1825 ["Pick and read" gnus-pick-mode t]
1826 ["Binary" gnus-binary-mode t])
1828 ["Regenerate" gnus-summary-prepare t]
1829 ["Insert cached articles" gnus-summary-insert-cached-articles t]
1830 ["Toggle threading" gnus-summary-toggle-threads t])
1831 ["Filter articles..." gnus-summary-execute-command t]
1832 ["Run command on subjects..." gnus-summary-universal-argument t]
1833 ["Search articles forward..." gnus-summary-search-article-forward t]
1834 ["Search articles backward..." gnus-summary-search-article-backward t]
1835 ["Toggle line truncation" gnus-summary-toggle-truncation t]
1836 ["Expand window" gnus-summary-expand-window t]
1837 ["Expire expirable articles" gnus-summary-expire-articles
1838 (gnus-check-backend-function
1839 'request-expire-articles gnus-newsgroup-name)]
1840 ["Edit local kill file" gnus-summary-edit-local-kill t]
1841 ["Edit main kill file" gnus-summary-edit-global-kill t]
1842 ["Edit group parameters" gnus-summary-edit-parameters t]
1844 ["Catchup and exit" gnus-summary-catchup-and-exit t]
1845 ["Catchup all and exit" gnus-summary-catchup-and-exit t]
1846 ["Catchup and goto next" gnus-summary-catchup-and-goto-next-group t]
1847 ["Exit group" gnus-summary-exit t]
1848 ["Exit group without updating" gnus-summary-exit-no-update t]
1849 ["Exit and goto next group" gnus-summary-next-group t]
1850 ["Exit and goto prev group" gnus-summary-prev-group t]
1851 ["Reselect group" gnus-summary-reselect-current-group t]
1852 ["Rescan group" gnus-summary-rescan-group t]
1853 ["Update dribble" gnus-summary-save-newsrc t])))
1855 (gnus-run-hooks 'gnus-summary-menu-hook)))
1857 (defun gnus-score-set-default (var value)
1858 "A version of set that updates the GNU Emacs menu-bar."
1860 ;; It is the message that forces the active status to be updated.
1863 (defun gnus-make-score-map (type)
1864 "Make a summary score map of type TYPE."
1867 (let ((headers '(("author" "from" string)
1868 ("subject" "subject" string)
1869 ("article body" "body" string)
1870 ("article head" "head" string)
1871 ("xref" "xref" string)
1872 ("lines" "lines" number)
1873 ("followups to author" "followup" string)))
1874 (types '((number ("less than" <)
1877 (string ("substring" s)
1881 (perms '(("temporary" (current-time-string))
1889 (if (eq type 'lower)
1894 (setq header (car headers))
1900 (let ((ts (cdr (assoc (nth 2 header) types)))
1916 'gnus-summary-score-entry
1918 (if (or (string= (nth 1 header)
1920 (string= (nth 1 header)
1923 (list 'gnus-summary-header
1925 (list 'quote (nth 1 (car ts)))
1926 (list 'gnus-score-default nil)
1932 (list (nreverse outp))))
1935 (list (nreverse outt))))
1937 (setq headers (cdr headers)))
1938 (list (nreverse outh))))))))
1942 (defun gnus-summary-mode (&optional group)
1943 "Major mode for reading articles.
1945 All normal editing commands are switched off.
1946 \\<gnus-summary-mode-map>
1947 Each line in this buffer represents one article. To read an
1948 article, you can, for instance, type `\\[gnus-summary-next-page]'. To move forwards
1949 and backwards while displaying articles, type `\\[gnus-summary-next-unread-article]' and `\\[gnus-summary-prev-unread-article]',
1952 You can also post articles and send mail from this buffer. To
1953 follow up an article, type `\\[gnus-summary-followup]'. To mail a reply to the author
1954 of an article, type `\\[gnus-summary-reply]'.
1956 There are approx. one gazillion commands you can execute in this
1957 buffer; read the info pages for more information (`\\[gnus-info-find-node]').
1959 The following commands are available:
1961 \\{gnus-summary-mode-map}"
1963 (when (gnus-visual-p 'summary-menu 'menu)
1964 (gnus-summary-make-menu-bar))
1965 (kill-all-local-variables)
1966 (gnus-summary-make-local-variables)
1967 (gnus-make-thread-indent-array)
1968 (gnus-simplify-mode-line)
1969 (setq major-mode 'gnus-summary-mode)
1970 (setq mode-name "Summary")
1971 (make-local-variable 'minor-mode-alist)
1972 (use-local-map gnus-summary-mode-map)
1973 (buffer-disable-undo (current-buffer))
1974 (setq buffer-read-only t) ;Disable modification
1975 (setq truncate-lines t)
1976 (setq selective-display t)
1977 (setq selective-display-ellipses t) ;Display `...'
1978 (gnus-summary-set-display-table)
1979 (gnus-set-default-directory)
1980 (setq gnus-newsgroup-name group)
1981 (make-local-variable 'gnus-summary-line-format)
1982 (make-local-variable 'gnus-summary-line-format-spec)
1983 (make-local-variable 'gnus-summary-dummy-line-format)
1984 (make-local-variable 'gnus-summary-dummy-line-format-spec)
1985 (make-local-variable 'gnus-summary-mark-positions)
1986 (make-local-hook 'post-command-hook)
1987 (add-hook 'post-command-hook 'gnus-clear-inboxes-moved nil t)
1988 (make-local-hook 'pre-command-hook)
1989 (add-hook 'pre-command-hook 'gnus-set-global-variables nil t)
1990 (gnus-run-hooks 'gnus-summary-mode-hook)
1991 (gnus-update-format-specifications nil 'summary 'summary-mode 'summary-dummy)
1992 (gnus-update-summary-mark-positions))
1994 (defun gnus-summary-make-local-variables ()
1995 "Make all the local summary buffer variables."
1996 (let ((locals gnus-summary-local-variables)
1998 (while (setq local (pop locals))
2001 (if (eq (cdr local) 'global)
2002 ;; Copy the global value of the variable.
2003 (setq global (symbol-value (car local)))
2004 ;; Use the value from the list.
2005 (setq global (eval (cdr local))))
2006 (make-local-variable (car local))
2007 (set (car local) global))
2008 ;; Simple nil-valued local variable.
2009 (make-local-variable local)
2012 (defun gnus-summary-clear-local-variables ()
2013 (let ((locals gnus-summary-local-variables))
2015 (if (consp (car locals))
2016 (and (vectorp (caar locals))
2017 (set (caar locals) nil))
2018 (and (vectorp (car locals))
2019 (set (car locals) nil)))
2020 (setq locals (cdr locals)))))
2022 ;; Summary data functions.
2024 (defmacro gnus-data-number (data)
2027 (defmacro gnus-data-set-number (data number)
2028 `(setcar ,data ,number))
2030 (defmacro gnus-data-mark (data)
2033 (defmacro gnus-data-set-mark (data mark)
2034 `(setcar (nthcdr 1 ,data) ,mark))
2036 (defmacro gnus-data-pos (data)
2039 (defmacro gnus-data-set-pos (data pos)
2040 `(setcar (nthcdr 2 ,data) ,pos))
2042 (defmacro gnus-data-header (data)
2045 (defmacro gnus-data-set-header (data header)
2046 `(setf (nth 3 ,data) ,header))
2048 (defmacro gnus-data-level (data)
2051 (defmacro gnus-data-unread-p (data)
2052 `(= (nth 1 ,data) gnus-unread-mark))
2054 (defmacro gnus-data-read-p (data)
2055 `(/= (nth 1 ,data) gnus-unread-mark))
2057 (defmacro gnus-data-pseudo-p (data)
2058 `(consp (nth 3 ,data)))
2060 (defmacro gnus-data-find (number)
2061 `(assq ,number gnus-newsgroup-data))
2063 (defmacro gnus-data-find-list (number &optional data)
2064 `(let ((bdata ,(or data 'gnus-newsgroup-data)))
2065 (memq (assq ,number bdata)
2068 (defmacro gnus-data-make (number mark pos header level)
2069 `(list ,number ,mark ,pos ,header ,level))
2071 (defun gnus-data-enter (after-article number mark pos header level offset)
2072 (let ((data (gnus-data-find-list after-article)))
2074 (error "No such article: %d" after-article))
2075 (setcdr data (cons (gnus-data-make number mark pos header level)
2077 (setq gnus-newsgroup-data-reverse nil)
2078 (gnus-data-update-list (cddr data) offset)))
2080 (defun gnus-data-enter-list (after-article list &optional offset)
2082 (let ((data (and after-article (gnus-data-find-list after-article)))
2084 (or data (not after-article) (error "No such article: %d" after-article))
2085 ;; Find the last element in the list to be spliced into the main
2088 (setq list (cdr list)))
2091 (setcdr list gnus-newsgroup-data)
2092 (setq gnus-newsgroup-data ilist)
2094 (gnus-data-update-list (cdr list) offset)))
2095 (setcdr list (cdr data))
2098 (gnus-data-update-list (cdr list) offset)))
2099 (setq gnus-newsgroup-data-reverse nil))))
2101 (defun gnus-data-remove (article &optional offset)
2102 (let ((data gnus-newsgroup-data))
2103 (if (= (gnus-data-number (car data)) article)
2105 (setq gnus-newsgroup-data (cdr gnus-newsgroup-data)
2106 gnus-newsgroup-data-reverse nil)
2108 (gnus-data-update-list gnus-newsgroup-data offset)))
2110 (when (= (gnus-data-number (cadr data)) article)
2111 (setcdr data (cddr data))
2113 (gnus-data-update-list (cdr data) offset))
2115 gnus-newsgroup-data-reverse nil))
2116 (setq data (cdr data))))))
2118 (defmacro gnus-data-list (backward)
2120 (or gnus-newsgroup-data-reverse
2121 (setq gnus-newsgroup-data-reverse
2122 (reverse gnus-newsgroup-data)))
2123 gnus-newsgroup-data))
2125 (defun gnus-data-update-list (data offset)
2126 "Add OFFSET to the POS of all data entries in DATA."
2128 (setcar (nthcdr 2 (car data)) (+ offset (nth 2 (car data))))
2129 (setq data (cdr data))))
2131 (defun gnus-data-compute-positions ()
2132 "Compute the positions of all articles."
2133 (let ((data gnus-newsgroup-data)
2136 (when (setq pos (text-property-any
2137 (point-min) (point-max)
2138 'gnus-number (gnus-data-number (car data))))
2139 (gnus-data-set-pos (car data) (+ pos 3)))
2140 (setq data (cdr data)))))
2142 (defun gnus-summary-article-pseudo-p (article)
2143 "Say whether this article is a pseudo article or not."
2144 (not (vectorp (gnus-data-header (gnus-data-find article)))))
2146 (defmacro gnus-summary-article-sparse-p (article)
2147 "Say whether this article is a sparse article or not."
2148 `(memq ,article gnus-newsgroup-sparse))
2150 (defmacro gnus-summary-article-ancient-p (article)
2151 "Say whether this article is a sparse article or not."
2152 `(memq ,article gnus-newsgroup-ancient))
2154 (defun gnus-article-parent-p (number)
2155 "Say whether this article is a parent or not."
2156 (let ((data (gnus-data-find-list number)))
2157 (and (cdr data) ; There has to be an article after...
2158 (< (gnus-data-level (car data)) ; And it has to have a higher level.
2159 (gnus-data-level (nth 1 data))))))
2161 (defun gnus-article-children (number)
2162 "Return a list of all children to NUMBER."
2163 (let* ((data (gnus-data-find-list number))
2164 (level (gnus-data-level (car data)))
2166 (setq data (cdr data))
2168 (= (gnus-data-level (car data)) (1+ level)))
2169 (push (gnus-data-number (car data)) children)
2170 (setq data (cdr data)))
2173 (defmacro gnus-summary-skip-intangible ()
2174 "If the current article is intangible, then jump to a different article."
2175 '(let ((to (get-text-property (point) 'gnus-intangible)))
2176 (and to (gnus-summary-goto-subject to))))
2178 (defmacro gnus-summary-article-intangible-p ()
2179 "Say whether this article is intangible or not."
2180 '(get-text-property (point) 'gnus-intangible))
2182 (defun gnus-article-read-p (article)
2183 "Say whether ARTICLE is read or not."
2184 (not (or (memq article gnus-newsgroup-marked)
2185 (memq article gnus-newsgroup-unreads)
2186 (memq article gnus-newsgroup-unselected)
2187 (memq article gnus-newsgroup-dormant))))
2189 ;; Some summary mode macros.
2191 (defmacro gnus-summary-article-number ()
2192 "The article number of the article on the current line.
2193 If there isn's an article number here, then we return the current
2196 (gnus-summary-skip-intangible)
2197 (or (get-text-property (point) 'gnus-number)
2198 (gnus-summary-last-subject))))
2200 (defmacro gnus-summary-article-header (&optional number)
2201 "Return the header of article NUMBER."
2202 `(gnus-data-header (gnus-data-find
2203 ,(or number '(gnus-summary-article-number)))))
2205 (defmacro gnus-summary-thread-level (&optional number)
2206 "Return the level of thread that starts with article NUMBER."
2207 `(if (and (eq gnus-summary-make-false-root 'dummy)
2208 (get-text-property (point) 'gnus-intangible))
2210 (gnus-data-level (gnus-data-find
2211 ,(or number '(gnus-summary-article-number))))))
2213 (defmacro gnus-summary-article-mark (&optional number)
2214 "Return the mark of article NUMBER."
2215 `(gnus-data-mark (gnus-data-find
2216 ,(or number '(gnus-summary-article-number)))))
2218 (defmacro gnus-summary-article-pos (&optional number)
2219 "Return the position of the line of article NUMBER."
2220 `(gnus-data-pos (gnus-data-find
2221 ,(or number '(gnus-summary-article-number)))))
2223 (defalias 'gnus-summary-subject-string 'gnus-summary-article-subject)
2224 (defmacro gnus-summary-article-subject (&optional number)
2225 "Return current subject string or nil if nothing."
2228 `(gnus-data-header (assq ,number gnus-newsgroup-data))
2229 '(gnus-data-header (assq (gnus-summary-article-number)
2230 gnus-newsgroup-data)))))
2233 (mail-header-subject headers))))
2235 (defmacro gnus-summary-article-score (&optional number)
2236 "Return current article score."
2237 `(or (cdr (assq ,(or number '(gnus-summary-article-number))
2238 gnus-newsgroup-scored))
2239 gnus-summary-default-score 0))
2241 (defun gnus-summary-article-children (&optional number)
2242 "Return a list of article numbers that are children of article NUMBER."
2243 (let* ((data (gnus-data-find-list (or number (gnus-summary-article-number))))
2244 (level (gnus-data-level (car data)))
2246 (while (and (setq data (cdr data))
2247 (> (setq l (gnus-data-level (car data))) level))
2248 (and (= (1+ level) l)
2249 (push (gnus-data-number (car data))
2251 (nreverse children)))
2253 (defun gnus-summary-article-parent (&optional number)
2254 "Return the article number of the parent of article NUMBER."
2255 (let* ((data (gnus-data-find-list (or number (gnus-summary-article-number))
2256 (gnus-data-list t)))
2257 (level (gnus-data-level (car data))))
2259 () ; This is a root.
2260 ;; We search until we find an article with a level less than
2261 ;; this one. That function has to be the parent.
2262 (while (and (setq data (cdr data))
2263 (not (< (gnus-data-level (car data)) level))))
2264 (and data (gnus-data-number (car data))))))
2266 (defun gnus-unread-mark-p (mark)
2267 "Say whether MARK is the unread mark."
2268 (= mark gnus-unread-mark))
2270 (defun gnus-read-mark-p (mark)
2271 "Say whether MARK is one of the marks that mark as read.
2272 This is all marks except unread, ticked, dormant, and expirable."
2273 (not (or (= mark gnus-unread-mark)
2274 (= mark gnus-ticked-mark)
2275 (= mark gnus-dormant-mark)
2276 (= mark gnus-expirable-mark))))
2278 (defmacro gnus-article-mark (number)
2279 "Return the MARK of article NUMBER.
2280 This macro should only be used when computing the mark the \"first\"
2281 time; i.e., when generating the summary lines. After that,
2282 `gnus-summary-article-mark' should be used to examine the
2285 ((memq ,number gnus-newsgroup-unsendable) gnus-unsendable-mark)
2286 ((memq ,number gnus-newsgroup-undownloaded) gnus-undownloaded-mark)
2287 ((memq ,number gnus-newsgroup-downloadable) gnus-downloadable-mark)
2288 ((memq ,number gnus-newsgroup-unreads) gnus-unread-mark)
2289 ((memq ,number gnus-newsgroup-marked) gnus-ticked-mark)
2290 ((memq ,number gnus-newsgroup-dormant) gnus-dormant-mark)
2291 ((memq ,number gnus-newsgroup-expirable) gnus-expirable-mark)
2292 (t (or (cdr (assq ,number gnus-newsgroup-reads))
2293 gnus-ancient-mark))))
2295 ;; Saving hidden threads.
2297 (put 'gnus-save-hidden-threads 'lisp-indent-function 0)
2298 (put 'gnus-save-hidden-threads 'edebug-form-spec '(body))
2300 (defmacro gnus-save-hidden-threads (&rest forms)
2301 "Save hidden threads, eval FORMS, and restore the hidden threads."
2302 (let ((config (make-symbol "config")))
2303 `(let ((,config (gnus-hidden-threads-configuration)))
2307 (gnus-restore-hidden-threads-configuration ,config)))))
2309 (defun gnus-hidden-threads-configuration ()
2310 "Return the current hidden threads configuration."
2313 (goto-char (point-min))
2314 (while (search-forward "\r" nil t)
2315 (push (1- (point)) config))
2318 (defun gnus-restore-hidden-threads-configuration (config)
2319 "Restore hidden threads configuration from CONFIG."
2320 (let (point buffer-read-only)
2321 (while (setq point (pop config))
2322 (when (and (< point (point-max))
2324 (= (following-char) ?\n))
2325 (subst-char-in-region point (1+ point) ?\n ?\r)))))
2327 ;; Various summary mode internalish functions.
2329 (defun gnus-mouse-pick-article (e)
2332 (gnus-summary-next-page nil t))
2334 (defun gnus-summary-set-display-table ()
2335 ;; Change the display table. Odd characters have a tendency to mess
2336 ;; up nicely formatted displays - we make all possible glyphs
2337 ;; display only a single character.
2339 ;; We start from the standard display table, if any.
2340 (let ((table (or (copy-sequence standard-display-table)
2341 (make-display-table)))
2343 ;; Nix out all the control chars...
2344 (while (>= (setq i (1- i)) 0)
2345 (aset table i [??]))
2346 ;; ... but not newline and cr, of course. (cr is necessary for the
2347 ;; selective display).
2348 (aset table ?\n nil)
2349 (aset table ?\r nil)
2350 ;; We keep TAB as well.
2351 (aset table ?\t nil)
2352 ;; We nix out any glyphs over 126 that are not set already.
2354 (while (>= (setq i (1- i)) 127)
2355 ;; Only modify if the entry is nil.
2356 (unless (aref table i)
2357 (aset table i [??]))))
2358 (setq buffer-display-table table)))
2360 (defun gnus-summary-setup-buffer (group)
2361 "Initialize summary buffer."
2362 (let ((buffer (concat "*Summary " group "*")))
2363 (if (get-buffer buffer)
2366 (setq gnus-summary-buffer (current-buffer))
2367 (not gnus-newsgroup-prepared))
2368 ;; Fix by Sudish Joseph <joseph@cis.ohio-state.edu>
2369 (setq gnus-summary-buffer (set-buffer (get-buffer-create buffer)))
2370 (gnus-add-current-to-buffer-list)
2371 (gnus-summary-mode group)
2373 (gnus-carpal-setup-buffer 'summary))
2374 (unless gnus-single-article-buffer
2375 (make-local-variable 'gnus-article-buffer)
2376 (make-local-variable 'gnus-article-current)
2377 (make-local-variable 'gnus-original-article-buffer))
2378 (setq gnus-newsgroup-name group)
2381 (defun gnus-set-global-variables ()
2382 ;; Set the global equivalents of the summary buffer-local variables
2383 ;; to the latest values they had. These reflect the summary buffer
2384 ;; that was in action when the last article was fetched.
2385 (when (eq major-mode 'gnus-summary-mode)
2386 (setq gnus-summary-buffer (current-buffer))
2387 (let ((name gnus-newsgroup-name)
2388 (marked gnus-newsgroup-marked)
2389 (unread gnus-newsgroup-unreads)
2390 (headers gnus-current-headers)
2391 (data gnus-newsgroup-data)
2392 (summary gnus-summary-buffer)
2393 (article-buffer gnus-article-buffer)
2394 (original gnus-original-article-buffer)
2395 (gac gnus-article-current)
2396 (reffed gnus-reffed-article-number)
2397 (score-file gnus-current-score-file))
2399 (set-buffer gnus-group-buffer)
2400 (setq gnus-newsgroup-name name
2401 gnus-newsgroup-marked marked
2402 gnus-newsgroup-unreads unread
2403 gnus-current-headers headers
2404 gnus-newsgroup-data data
2405 gnus-article-current gac
2406 gnus-summary-buffer summary
2407 gnus-article-buffer article-buffer
2408 gnus-original-article-buffer original
2409 gnus-reffed-article-number reffed
2410 gnus-current-score-file score-file)
2411 ;; The article buffer also has local variables.
2412 (when (gnus-buffer-live-p gnus-article-buffer)
2413 (set-buffer gnus-article-buffer)
2414 (setq gnus-summary-buffer summary))))))
2416 (defun gnus-summary-article-unread-p (article)
2417 "Say whether ARTICLE is unread or not."
2418 (memq article gnus-newsgroup-unreads))
2420 (defun gnus-summary-first-article-p (&optional article)
2421 "Return whether ARTICLE is the first article in the buffer."
2422 (if (not (setq article (or article (gnus-summary-article-number))))
2424 (eq article (caar gnus-newsgroup-data))))
2426 (defun gnus-summary-last-article-p (&optional article)
2427 "Return whether ARTICLE is the last article in the buffer."
2428 (if (not (setq article (or article (gnus-summary-article-number))))
2429 t ; All non-existent numbers are the last article. :-)
2430 (not (cdr (gnus-data-find-list article)))))
2432 (defun gnus-make-thread-indent-array ()
2434 (unless (and gnus-thread-indent-array
2435 (= gnus-thread-indent-level gnus-thread-indent-array-level))
2436 (setq gnus-thread-indent-array (make-vector 201 "")
2437 gnus-thread-indent-array-level gnus-thread-indent-level)
2439 (aset gnus-thread-indent-array n
2440 (make-string (* n gnus-thread-indent-level) ? ))
2443 (defun gnus-update-summary-mark-positions ()
2444 "Compute where the summary marks are to go."
2446 (when (and gnus-summary-buffer
2447 (get-buffer gnus-summary-buffer)
2448 (buffer-name (get-buffer gnus-summary-buffer)))
2449 (set-buffer gnus-summary-buffer))
2450 (let ((gnus-replied-mark 129)
2451 (gnus-score-below-mark 130)
2452 (gnus-score-over-mark 130)
2453 (gnus-download-mark 131)
2454 (spec gnus-summary-line-format-spec)
2455 thread gnus-visual pos)
2457 (gnus-set-work-buffer)
2458 (let ((gnus-summary-line-format-spec spec)
2459 (gnus-newsgroup-downloadable '((0 . t))))
2460 (gnus-summary-insert-line
2461 [0 "" "" "" "" "" 0 0 ""] 0 nil 128 t nil "" nil 1)
2462 (goto-char (point-min))
2463 (setq pos (list (cons 'unread (and (search-forward "\200" nil t)
2465 (goto-char (point-min))
2466 (push (cons 'replied (and (search-forward "\201" nil t)
2469 (goto-char (point-min))
2470 (push (cons 'score (and (search-forward "\202" nil t) (- (point) 2)))
2472 (goto-char (point-min))
2473 (push (cons 'download
2474 (and (search-forward "\203" nil t) (- (point) 2)))
2476 (setq gnus-summary-mark-positions pos))))
2478 (defun gnus-summary-insert-dummy-line (gnus-tmp-subject gnus-tmp-number)
2479 "Insert a dummy root in the summary buffer."
2481 (gnus-add-text-properties
2482 (point) (progn (eval gnus-summary-dummy-line-format-spec) (point))
2483 (list 'gnus-number gnus-tmp-number 'gnus-intangible gnus-tmp-number)))
2485 (defun gnus-summary-insert-line (gnus-tmp-header
2486 gnus-tmp-level gnus-tmp-current
2487 gnus-tmp-unread gnus-tmp-replied
2488 gnus-tmp-expirable gnus-tmp-subject-or-nil
2489 &optional gnus-tmp-dummy gnus-tmp-score
2491 (let* ((gnus-tmp-indentation (aref gnus-thread-indent-array gnus-tmp-level))
2492 (gnus-tmp-lines (mail-header-lines gnus-tmp-header))
2493 (gnus-tmp-score (or gnus-tmp-score gnus-summary-default-score 0))
2494 (gnus-tmp-score-char
2495 (if (or (null gnus-summary-default-score)
2496 (<= (abs (- gnus-tmp-score gnus-summary-default-score))
2497 gnus-summary-zcore-fuzz))
2499 (if (< gnus-tmp-score gnus-summary-default-score)
2500 gnus-score-below-mark gnus-score-over-mark)))
2502 (cond (gnus-tmp-process gnus-process-mark)
2503 ((memq gnus-tmp-current gnus-newsgroup-cached)
2505 (gnus-tmp-replied gnus-replied-mark)
2506 ((memq gnus-tmp-current gnus-newsgroup-saved)
2508 (t gnus-unread-mark)))
2509 (gnus-tmp-from (mail-header-from gnus-tmp-header))
2512 ((string-match "<[^>]+> *$" gnus-tmp-from)
2513 (let ((beg (match-beginning 0)))
2514 (or (and (string-match "^\"[^\"]*\"" gnus-tmp-from)
2515 (substring gnus-tmp-from (1+ (match-beginning 0))
2516 (1- (match-end 0))))
2517 (substring gnus-tmp-from 0 beg))))
2518 ((string-match "(.+)" gnus-tmp-from)
2519 (substring gnus-tmp-from
2520 (1+ (match-beginning 0)) (1- (match-end 0))))
2522 (gnus-tmp-subject (mail-header-subject gnus-tmp-header))
2523 (gnus-tmp-number (mail-header-number gnus-tmp-header))
2524 (gnus-tmp-opening-bracket (if gnus-tmp-dummy ?\< ?\[))
2525 (gnus-tmp-closing-bracket (if gnus-tmp-dummy ?\> ?\]))
2526 (buffer-read-only nil))
2527 (when (string= gnus-tmp-name "")
2528 (setq gnus-tmp-name gnus-tmp-from))
2529 (unless (numberp gnus-tmp-lines)
2530 (setq gnus-tmp-lines 0))
2531 (gnus-put-text-property
2533 (progn (eval gnus-summary-line-format-spec) (point))
2534 'gnus-number gnus-tmp-number)
2535 (when (gnus-visual-p 'summary-highlight 'highlight)
2537 (gnus-run-hooks 'gnus-summary-update-hook)
2540 (defun gnus-summary-update-line (&optional dont-update)
2541 ;; Update summary line after change.
2542 (when (and gnus-summary-default-score
2543 (not gnus-summary-inhibit-highlight))
2544 (let* ((gnus-summary-inhibit-highlight t) ; Prevent recursion.
2545 (article (gnus-summary-article-number))
2546 (score (gnus-summary-article-score article)))
2548 (if (and gnus-summary-mark-below
2549 (< (gnus-summary-article-score)
2550 gnus-summary-mark-below))
2551 ;; This article has a low score, so we mark it as read.
2552 (when (memq article gnus-newsgroup-unreads)
2553 (gnus-summary-mark-article-as-read gnus-low-score-mark))
2554 (when (eq (gnus-summary-article-mark) gnus-low-score-mark)
2555 ;; This article was previously marked as read on account
2556 ;; of a low score, but now it has risen, so we mark it as
2558 (gnus-summary-mark-article-as-unread gnus-unread-mark)))
2559 (gnus-summary-update-mark
2560 (if (or (null gnus-summary-default-score)
2561 (<= (abs (- score gnus-summary-default-score))
2562 gnus-summary-zcore-fuzz))
2564 (if (< score gnus-summary-default-score)
2565 gnus-score-below-mark gnus-score-over-mark))
2567 ;; Do visual highlighting.
2568 (when (gnus-visual-p 'summary-highlight 'highlight)
2569 (gnus-run-hooks 'gnus-summary-update-hook)))))
2571 (defvar gnus-tmp-new-adopts nil)
2573 (defun gnus-summary-number-of-articles-in-thread (thread &optional level char)
2574 "Return the number of articles in THREAD.
2575 This may be 0 in some cases -- if none of the articles in
2576 the thread are to be displayed."
2578 ;; Fix by Luc Van Eycken <Luc.VanEycken@esat.kuleuven.ac.be>.
2580 ((not (listp thread))
2582 ((and (consp thread) (cdr thread))
2585 'gnus-summary-number-of-articles-in-thread (cdr thread))))
2588 ((memq (mail-header-number (car thread)) gnus-newsgroup-limit)
2591 (when (and level (zerop level) gnus-tmp-new-adopts)
2594 'gnus-summary-number-of-articles-in-thread
2595 gnus-tmp-new-adopts))))
2597 (if (> number 1) gnus-not-empty-thread-mark
2598 gnus-empty-thread-mark)
2601 (defun gnus-summary-set-local-parameters (group)
2602 "Go through the local params of GROUP and set all variable specs in that list."
2603 (let ((params (gnus-group-find-parameter group))
2606 (setq elem (car params)
2607 params (cdr params))
2608 (and (consp elem) ; Has to be a cons.
2609 (consp (cdr elem)) ; The cdr has to be a list.
2610 (symbolp (car elem)) ; Has to be a symbol in there.
2611 (not (memq (car elem)
2612 '(quit-config to-address to-list to-group)))
2613 (ignore-errors ; So we set it.
2614 (make-local-variable (car elem))
2615 (set (car elem) (eval (nth 1 elem))))))))
2617 (defun gnus-summary-read-group (group &optional show-all no-article
2618 kill-buffer no-display)
2619 "Start reading news in newsgroup GROUP.
2620 If SHOW-ALL is non-nil, already read articles are also listed.
2621 If NO-ARTICLE is non-nil, no article is selected initially.
2622 If NO-DISPLAY, don't generate a summary buffer."
2626 (let ((gnus-auto-select-next nil))
2627 (or (gnus-summary-read-group-1
2628 group show-all no-article
2629 kill-buffer no-display)
2630 (setq show-all nil)))))
2631 (eq gnus-auto-select-next 'quietly))
2632 (set-buffer gnus-group-buffer)
2633 (if (not (equal group (gnus-group-group-name)))
2634 (setq group (gnus-group-group-name))
2638 (defun gnus-summary-read-group-1 (group show-all no-article
2639 kill-buffer no-display)
2640 ;; Killed foreign groups can't be entered.
2641 (when (and (not (gnus-group-native-p group))
2642 (not (gnus-gethash group gnus-newsrc-hashtb)))
2643 (error "Dead non-native groups can't be entered"))
2644 (gnus-message 5 "Retrieving newsgroup: %s..." group)
2645 (let* ((new-group (gnus-summary-setup-buffer group))
2646 (quit-config (gnus-group-quit-config group))
2647 (did-select (and new-group (gnus-select-newsgroup group show-all))))
2649 ;; This summary buffer exists already, so we just select it.
2651 (gnus-set-global-variables)
2653 (gnus-kill-or-deaden-summary kill-buffer))
2654 (gnus-configure-windows 'summary 'force)
2655 (gnus-set-mode-line 'summary)
2656 (gnus-summary-position-point)
2659 ;; We couldn't select this group.
2661 (when (and (eq major-mode 'gnus-summary-mode)
2662 (not (equal (current-buffer) kill-buffer)))
2663 (kill-buffer (current-buffer))
2664 (if (not quit-config)
2666 ;; Update the info -- marks might need to be removed,
2668 (gnus-summary-update-info)
2669 (set-buffer gnus-group-buffer)
2670 (gnus-group-jump-to-group group)
2671 (gnus-group-next-unread-group 1))
2672 (gnus-handle-ephemeral-exit quit-config)))
2673 (gnus-message 3 "Can't select group")
2675 ;; The user did a `C-g' while prompting for number of articles,
2676 ;; so we exit this group.
2677 ((eq did-select 'quit)
2678 (and (eq major-mode 'gnus-summary-mode)
2679 (not (equal (current-buffer) kill-buffer))
2680 (kill-buffer (current-buffer)))
2682 (gnus-kill-or-deaden-summary kill-buffer))
2683 (if (not quit-config)
2685 (set-buffer gnus-group-buffer)
2686 (gnus-group-jump-to-group group)
2687 (gnus-group-next-unread-group 1)
2688 (gnus-configure-windows 'group 'force))
2689 (gnus-handle-ephemeral-exit quit-config))
2690 ;; Finally signal the quit.
2692 ;; The group was successfully selected.
2694 (gnus-set-global-variables)
2695 ;; Save the active value in effect when the group was entered.
2696 (setq gnus-newsgroup-active
2698 (gnus-active gnus-newsgroup-name)))
2699 ;; You can change the summary buffer in some way with this hook.
2700 (gnus-run-hooks 'gnus-select-group-hook)
2701 ;; Set any local variables in the group parameters.
2702 (gnus-summary-set-local-parameters gnus-newsgroup-name)
2703 (gnus-update-format-specifications
2704 nil 'summary 'summary-mode 'summary-dummy)
2705 ;; Do score processing.
2706 (when gnus-use-scoring
2707 (gnus-possibly-score-headers))
2708 ;; Check whether to fill in the gaps in the threads.
2709 (when gnus-build-sparse-threads
2710 (gnus-build-sparse-threads))
2711 ;; Find the initial limit.
2712 (if gnus-show-threads
2714 (let ((gnus-newsgroup-dormant nil))
2715 (gnus-summary-initial-limit show-all))
2716 (gnus-summary-initial-limit show-all))
2717 (setq gnus-newsgroup-limit
2719 (lambda (header) (mail-header-number header))
2720 gnus-newsgroup-headers)))
2721 ;; Generate the summary buffer.
2723 (gnus-summary-prepare))
2724 (when gnus-use-trees
2725 (gnus-tree-open group)
2726 (setq gnus-summary-highlight-line-function
2727 'gnus-tree-highlight-article))
2728 ;; If the summary buffer is empty, but there are some low-scored
2729 ;; articles or some excluded dormants, we include these in the
2731 (when (and (zerop (buffer-size))
2733 (cond (gnus-newsgroup-dormant
2734 (gnus-summary-limit-include-dormant))
2735 ((and gnus-newsgroup-scored show-all)
2736 (gnus-summary-limit-include-expunged t))))
2737 ;; Function `gnus-apply-kill-file' must be called in this hook.
2738 (gnus-run-hooks 'gnus-apply-kill-hook)
2739 (if (and (zerop (buffer-size))
2742 ;; This newsgroup is empty.
2743 (gnus-summary-catchup-and-exit nil t)
2744 (gnus-message 6 "No unread news")
2746 (gnus-kill-or-deaden-summary kill-buffer))
2747 ;; Return nil from this function.
2749 ;; Hide conversation thread subtrees. We cannot do this in
2750 ;; gnus-summary-prepare-hook since kill processing may not
2751 ;; work with hidden articles.
2752 (and gnus-show-threads
2753 gnus-thread-hide-subtree
2754 (gnus-summary-hide-all-threads))
2756 (gnus-kill-or-deaden-summary kill-buffer))
2757 ;; Show first unread article if requested.
2758 (if (and (not no-article)
2760 gnus-newsgroup-unreads
2761 gnus-auto-select-first)
2762 (unless (if (eq gnus-auto-select-first 'best)
2763 (gnus-summary-best-unread-article)
2764 (gnus-summary-first-unread-article))
2765 (gnus-configure-windows 'summary))
2766 ;; Don't select any articles, just move point to the first
2767 ;; article in the group.
2768 (goto-char (point-min))
2769 (gnus-summary-position-point)
2770 (gnus-configure-windows 'summary 'force)
2771 (gnus-set-mode-line 'summary))
2772 (when (get-buffer-window gnus-group-buffer t)
2773 ;; Gotta use windows, because recenter does weird stuff if
2774 ;; the current buffer ain't the displayed window.
2775 (let ((owin (selected-window)))
2776 (select-window (get-buffer-window gnus-group-buffer t))
2777 (when (gnus-group-goto-group group)
2779 (select-window owin)))
2780 ;; Mark this buffer as "prepared".
2781 (setq gnus-newsgroup-prepared t)
2782 (gnus-run-hooks 'gnus-summary-prepared-hook)
2785 (defun gnus-summary-prepare ()
2786 "Generate the summary buffer."
2788 (let ((buffer-read-only nil))
2790 (setq gnus-newsgroup-data nil
2791 gnus-newsgroup-data-reverse nil)
2792 (gnus-run-hooks 'gnus-summary-generate-hook)
2793 ;; Generate the buffer, either with threads or without.
2794 (when gnus-newsgroup-headers
2795 (gnus-summary-prepare-threads
2796 (if gnus-show-threads
2797 (gnus-sort-gathered-threads
2798 (funcall gnus-summary-thread-gathering-function
2800 (gnus-cut-threads (gnus-make-threads)))))
2801 ;; Unthreaded display.
2802 (gnus-sort-articles gnus-newsgroup-headers))))
2803 (setq gnus-newsgroup-data (nreverse gnus-newsgroup-data))
2804 ;; Call hooks for modifying summary buffer.
2805 (goto-char (point-min))
2806 (gnus-run-hooks 'gnus-summary-prepare-hook)))
2808 (defsubst gnus-general-simplify-subject (subject)
2809 "Simply subject by the same rules as gnus-gather-threads-by-subject."
2812 ;; Truncate the subject.
2813 (gnus-simplify-subject-functions
2814 (gnus-map-function gnus-simplify-subject-functions subject))
2815 ((numberp gnus-summary-gather-subject-limit)
2816 (setq subject (gnus-simplify-subject-re subject))
2817 (if (> (length subject) gnus-summary-gather-subject-limit)
2818 (substring subject 0 gnus-summary-gather-subject-limit)
2820 ;; Fuzzily simplify it.
2821 ((eq 'fuzzy gnus-summary-gather-subject-limit)
2822 (gnus-simplify-subject-fuzzy subject))
2823 ;; Just remove the leading "Re:".
2825 (gnus-simplify-subject-re subject))))
2827 (if (and gnus-summary-gather-exclude-subject
2828 (string-match gnus-summary-gather-exclude-subject subject))
2829 nil ; This article shouldn't be gathered
2832 (defun gnus-summary-simplify-subject-query ()
2833 "Query where the respool algorithm would put this article."
2835 (gnus-summary-select-article)
2836 (message (gnus-general-simplify-subject (gnus-summary-article-subject))))
2838 (defun gnus-gather-threads-by-subject (threads)
2839 "Gather threads by looking at Subject headers."
2840 (if (not gnus-summary-make-false-root)
2842 (let ((hashtb (gnus-make-hashtable 1024))
2845 subject hthread whole-subject)
2847 (setq subject (gnus-general-simplify-subject
2848 (setq whole-subject (mail-header-subject
2851 (if (setq hthread (gnus-gethash subject hashtb))
2853 ;; We enter a dummy root into the thread, if we
2854 ;; haven't done that already.
2855 (unless (stringp (caar hthread))
2856 (setcar hthread (list whole-subject (car hthread))))
2857 ;; We add this new gathered thread to this gathered
2859 (setcdr (car hthread)
2860 (nconc (cdar hthread) (list (car threads))))
2861 ;; Remove it from the list of threads.
2862 (setcdr prev (cdr threads))
2863 (setq threads prev))
2864 ;; Enter this thread into the hash table.
2865 (gnus-sethash subject threads hashtb)))
2867 (setq threads (cdr threads)))
2870 (defun gnus-gather-threads-by-references (threads)
2871 "Gather threads by looking at References headers."
2872 (let ((idhashtb (gnus-make-hashtable 1024))
2873 (thhashtb (gnus-make-hashtable 1024))
2876 ids references id gthread gid entered ref)
2878 (when (setq references (mail-header-references (caar threads)))
2879 (setq id (mail-header-id (caar threads))
2880 ids (gnus-split-references references)
2882 (while (setq ref (pop ids))
2883 (setq ids (delete ref ids))
2884 (if (not (setq gid (gnus-gethash ref idhashtb)))
2886 (gnus-sethash ref id idhashtb)
2887 (gnus-sethash id threads thhashtb))
2888 (setq gthread (gnus-gethash gid thhashtb))
2890 ;; We enter a dummy root into the thread, if we
2891 ;; haven't done that already.
2892 (unless (stringp (caar gthread))
2893 (setcar gthread (list (mail-header-subject (caar gthread))
2895 ;; We add this new gathered thread to this gathered
2897 (setcdr (car gthread)
2898 (nconc (cdar gthread) (list (car threads)))))
2899 ;; Add it into the thread hash table.
2900 (gnus-sethash id gthread thhashtb)
2902 ;; Remove it from the list of threads.
2903 (setcdr prev (cdr threads))
2904 (setq threads prev))))
2906 (setq threads (cdr threads)))
2909 (defun gnus-sort-gathered-threads (threads)
2910 "Sort subtreads inside each gathered thread by article number."
2911 (let ((result threads))
2913 (when (stringp (caar threads))
2914 (setcdr (car threads)
2915 (sort (cdar threads) 'gnus-thread-sort-by-number)))
2916 (setq threads (cdr threads)))
2919 (defun gnus-thread-loop-p (root thread)
2920 "Say whether ROOT is in THREAD."
2921 (let ((stack (list thread))
2924 (while (setq thread (pop stack))
2925 (setq th (cdr thread))
2927 (not (eq (caar th) root)))
2930 ;; We have found a loop.
2932 (setcdr thread (delq (car th) (cdr thread)))
2933 (if (boundp (setq ref-dep (intern "none"
2934 gnus-newsgroup-dependencies)))
2935 (setcdr (symbol-value ref-dep)
2936 (nconc (cdr (symbol-value ref-dep))
2938 (set ref-dep (list nil (car th))))
2941 ;; Push all the subthreads onto the stack.
2942 (push (cdr thread) stack)))
2945 (defun gnus-make-threads ()
2946 "Go through the dependency hashtb and find the roots. Return all threads."
2948 (while (catch 'infloop
2951 ;; Deal with self-referencing References loops.
2952 (when (and (car (symbol-value refs))
2959 (car (symbol-value refs)) thread))
2960 (cdr (symbol-value refs)))))))
2963 (unless (car (symbol-value refs))
2964 ;; These threads do not refer back to any other articles,
2965 ;; so they're roots.
2966 (setq threads (append (cdr (symbol-value refs)) threads))))
2967 gnus-newsgroup-dependencies)))
2970 (defun gnus-build-sparse-threads ()
2971 (let ((headers gnus-newsgroup-headers)
2972 (deps gnus-newsgroup-dependencies)
2973 header references generation relations
2974 cthread subject child end pthread relation new-child)
2975 ;; First we create an alist of generations/relations, where
2976 ;; generations is how much we trust the relation, and the relation
2978 (gnus-message 7 "Making sparse threads...")
2980 (nnheader-set-temp-buffer " *gnus sparse threads*")
2981 (while (setq header (pop headers))
2982 (when (and (setq references (mail-header-references header))
2983 (not (string= references "")))
2985 (setq child (mail-header-id header)
2986 subject (mail-header-subject header))
2988 (while (search-backward ">" nil t)
2989 (setq end (1+ (point)))
2990 (when (search-backward "<" nil t)
2991 (unless (string= (setq new-child (buffer-substring (point) end))
2993 (push (list (incf generation)
2994 child (setq child new-child)
2997 (push (list (1+ generation) child nil subject) relations)
2999 (kill-buffer (current-buffer)))
3000 ;; Sort over trustworthiness.
3001 (setq relations (sort relations 'car-less-than-car))
3002 (while (setq relation (pop relations))
3003 (when (if (boundp (setq cthread (intern (cadr relation) deps)))
3004 (unless (car (symbol-value cthread))
3005 ;; Make this article the parent of these threads.
3006 (setcar (symbol-value cthread)
3007 (vector gnus-reffed-article-number
3011 (or (caddr relation) "") 0 0 "")))
3012 (set cthread (list (vector gnus-reffed-article-number
3014 "" "" (cadr relation)
3015 (or (caddr relation) "") 0 0 ""))))
3016 (push gnus-reffed-article-number gnus-newsgroup-limit)
3017 (push gnus-reffed-article-number gnus-newsgroup-sparse)
3018 (push (cons gnus-reffed-article-number gnus-sparse-mark)
3019 gnus-newsgroup-reads)
3020 (decf gnus-reffed-article-number)
3021 ;; Make this new thread the child of its parent.
3022 (if (boundp (setq pthread (intern (or (caddr relation) "none") deps)))
3023 (setcdr (symbol-value pthread)
3024 (nconc (cdr (symbol-value pthread))
3025 (list (symbol-value cthread))))
3026 (set pthread (list nil (symbol-value cthread))))))
3027 (gnus-message 7 "Making sparse threads...done")))
3029 (defun gnus-build-old-threads ()
3030 ;; Look at all the articles that refer back to old articles, and
3031 ;; fetch the headers for the articles that aren't there. This will
3032 ;; build complete threads - if the roots haven't been expired by the
3037 (when (not (car (symbol-value refs)))
3038 (setq heads (cdr (symbol-value refs)))
3040 (if (memq (mail-header-number (caar heads))
3041 gnus-newsgroup-dormant)
3042 (setq heads (cdr heads))
3043 (setq id (symbol-name refs))
3044 (while (and (setq id (gnus-build-get-header id))
3045 (not (car (gnus-gethash
3046 id gnus-newsgroup-dependencies)))))
3047 (setq heads nil)))))
3048 gnus-newsgroup-dependencies)))
3050 (defun gnus-build-get-header (id)
3051 ;; Look through the buffer of NOV lines and find the header to
3052 ;; ID. Enter this line into the dependencies hash table, and return
3053 ;; the id of the parent article (if any).
3054 (let ((deps gnus-newsgroup-dependencies)
3058 (set-buffer nntp-server-buffer)
3059 (let ((case-fold-search nil))
3060 (goto-char (point-min))
3061 (while (and (not found)
3062 (search-forward id nil t))
3064 (setq found (looking-at
3065 (format "^[^\t]*\t[^\t]*\t[^\t]*\t[^\t]*\t%s"
3066 (regexp-quote id))))
3067 (or found (beginning-of-line 2)))
3071 (setq header (gnus-nov-parse-line
3072 (read (current-buffer)) deps))
3073 (gnus-parent-id (mail-header-references header))))))
3075 (let ((number (mail-header-number header)))
3076 (push number gnus-newsgroup-limit)
3077 (push header gnus-newsgroup-headers)
3078 (if (memq number gnus-newsgroup-unselected)
3080 (push number gnus-newsgroup-unreads)
3081 (setq gnus-newsgroup-unselected
3082 (delq number gnus-newsgroup-unselected)))
3083 (push number gnus-newsgroup-ancient)))))))
3085 (defun gnus-build-all-threads ()
3086 "Read all the headers."
3087 (let ((deps gnus-newsgroup-dependencies)
3088 (gnus-summary-ignore-duplicates t)
3089 found header article)
3091 (set-buffer nntp-server-buffer)
3092 (let ((case-fold-search nil))
3093 (goto-char (point-min))
3096 (setq article (read (current-buffer)))
3097 (setq header (gnus-nov-parse-line article deps)))
3099 (push header gnus-newsgroup-headers)
3100 (if (memq (setq article (mail-header-number header))
3101 gnus-newsgroup-unselected)
3103 (push article gnus-newsgroup-unreads)
3104 (setq gnus-newsgroup-unselected
3105 (delq article gnus-newsgroup-unselected)))
3106 (push article gnus-newsgroup-ancient))
3107 (forward-line 1)))))))
3109 (defun gnus-summary-update-article-line (article header)
3110 "Update the line for ARTICLE using HEADERS."
3111 (let* ((id (mail-header-id header))
3112 (thread (gnus-id-to-thread id)))
3114 (error "Article in no thread"))
3115 ;; Update the thread.
3116 (setcar thread header)
3117 (gnus-summary-goto-subject article)
3118 (let* ((datal (gnus-data-find-list article))
3120 (length (when (cdr datal)
3121 (- (gnus-data-pos data)
3122 (gnus-data-pos (cadr datal)))))
3123 (buffer-read-only nil)
3124 (level (gnus-summary-thread-level)))
3126 (gnus-summary-insert-line
3127 header level nil (gnus-article-mark article)
3128 (memq article gnus-newsgroup-replied)
3129 (memq article gnus-newsgroup-expirable)
3130 ;; Only insert the Subject string when it's different
3131 ;; from the previous Subject string.
3132 (if (gnus-subject-equal
3134 (mail-header-subject
3137 (gnus-data-find-list
3139 (gnus-data-list t)))))
3140 ;; Error on the side of excessive subjects.
3142 (mail-header-subject header))
3144 (mail-header-subject header))
3145 nil (cdr (assq article gnus-newsgroup-scored))
3146 (memq article gnus-newsgroup-processable))
3148 (gnus-data-update-list
3149 (cdr datal) (- length (- (gnus-data-pos data) (point))))))))
3151 (defun gnus-summary-update-article (article &optional iheader)
3152 "Update ARTICLE in the summary buffer."
3153 (set-buffer gnus-summary-buffer)
3154 (let* ((header (or iheader (gnus-summary-article-header article)))
3155 (id (mail-header-id header))
3156 (data (gnus-data-find article))
3157 (thread (gnus-id-to-thread id))
3158 (references (mail-header-references header))
3162 (when (and references
3163 (not (equal "" references)))
3166 (buffer-read-only nil)
3168 (number (mail-header-number header))
3171 ;; !!! Should this be in or not?
3173 (setcar thread nil))
3175 (delq thread parent))
3176 (if (gnus-summary-insert-subject id header iheader)
3177 ;; Set the (possibly) new article number in the data structure.
3178 (gnus-data-set-number data (gnus-id-to-article id))
3182 (defun gnus-rebuild-thread (id)
3183 "Rebuild the thread containing ID."
3184 (let ((buffer-read-only nil)
3185 old-pos current thread data)
3186 (if (not gnus-show-threads)
3187 (setq thread (list (car (gnus-id-to-thread id))))
3188 ;; Get the thread this article is part of.
3189 (setq thread (gnus-remove-thread id)))
3190 (setq old-pos (gnus-point-at-bol))
3191 (setq current (save-excursion
3192 (and (zerop (forward-line -1))
3193 (gnus-summary-article-number))))
3194 ;; If this is a gathered thread, we have to go some re-gathering.
3195 (when (stringp (car thread))
3196 (let ((subject (car thread))
3198 (setq thread (cdr thread))
3200 (unless (memq (setq thr (gnus-id-to-thread
3202 (mail-header-id (caar thread)))))
3205 (setq thread (cdr thread)))
3206 ;; We now have all (unique) roots.
3207 (if (= (length roots) 1)
3208 ;; All the loose roots are now one solid root.
3209 (setq thread (car roots))
3210 (setq thread (cons subject (gnus-sort-threads roots))))))
3212 ;; We then insert this thread into the summary buffer.
3213 (let (gnus-newsgroup-data gnus-newsgroup-threads)
3214 (if gnus-show-threads
3215 (gnus-summary-prepare-threads (gnus-cut-threads (list thread)))
3216 (gnus-summary-prepare-unthreaded thread))
3217 (setq data (nreverse gnus-newsgroup-data))
3218 (setq threads gnus-newsgroup-threads))
3219 ;; We splice the new data into the data structure.
3220 (gnus-data-enter-list current data (- (point) old-pos))
3221 (setq gnus-newsgroup-threads (nconc threads gnus-newsgroup-threads)))))
3223 (defun gnus-number-to-header (number)
3224 "Return the header for article NUMBER."
3225 (let ((headers gnus-newsgroup-headers))
3227 (not (= number (mail-header-number (car headers)))))
3232 (defun gnus-parent-headers (headers &optional generation)
3233 "Return the headers of the GENERATIONeth parent of HEADERS."
3235 (setq generation 1))
3238 (while (and parent headers (not (zerop generation)))
3239 (setq references (mail-header-references headers))
3240 (when (and references
3241 (setq parent (gnus-parent-id references))
3242 (setq headers (car (gnus-id-to-thread parent))))
3246 (defun gnus-id-to-thread (id)
3247 "Return the (sub-)thread where ID appears."
3248 (gnus-gethash id gnus-newsgroup-dependencies))
3250 (defun gnus-id-to-article (id)
3251 "Return the article number of ID."
3252 (let ((thread (gnus-id-to-thread id)))
3255 (mail-header-number (car thread)))))
3257 (defun gnus-id-to-header (id)
3258 "Return the article headers of ID."
3259 (car (gnus-id-to-thread id)))
3261 (defun gnus-article-displayed-root-p (article)
3262 "Say whether ARTICLE is a root(ish) article."
3263 (let ((level (gnus-summary-thread-level article))
3264 (refs (mail-header-references (gnus-summary-article-header article)))
3270 ((null (gnus-parent-id refs)) t)
3272 (null (setq particle (gnus-id-to-article
3273 (gnus-parent-id refs))))
3274 (null (gnus-summary-thread-level particle)))))))
3276 (defun gnus-root-id (id)
3277 "Return the id of the root of the thread where ID appears."
3279 (while (and id (setq prev (car (gnus-gethash
3280 id gnus-newsgroup-dependencies))))
3282 id (gnus-parent-id (mail-header-references prev))))
3285 (defun gnus-articles-in-thread (thread)
3286 "Return the list of articles in THREAD."
3287 (cons (mail-header-number (car thread))
3288 (apply 'nconc (mapcar 'gnus-articles-in-thread (cdr thread)))))
3290 (defun gnus-remove-thread (id &optional dont-remove)
3291 "Remove the thread that has ID in it."
3292 (let ((dep gnus-newsgroup-dependencies)
3293 headers thread last-id)
3294 ;; First go up in this thread until we find the root.
3295 (setq last-id (gnus-root-id id))
3296 (setq headers (list (car (gnus-id-to-thread last-id))
3297 (caadr (gnus-id-to-thread last-id))))
3298 ;; We have now found the real root of this thread. It might have
3299 ;; been gathered into some loose thread, so we have to search
3300 ;; through the threads to find the thread we wanted.
3301 (let ((threads gnus-newsgroup-threads)
3304 (setq sub (car threads))
3305 (if (stringp (car sub))
3306 ;; This is a gathered thread, so we look at the roots
3307 ;; below it to find whether this article is in this
3310 (setq sub (cdr sub))
3312 (when (member (caar sub) headers)
3313 (setq thread (car threads)
3316 (setq sub (cdr sub))))
3317 ;; It's an ordinary thread, so we check it.
3318 (when (eq (car sub) (car headers))
3321 (setq threads (cdr threads)))
3322 ;; If this article is in no thread, then it's a root.
3325 (setq gnus-newsgroup-threads (delq thread gnus-newsgroup-threads)))
3326 (setq thread (gnus-gethash last-id dep)))
3329 thread ; We return this thread.
3331 (if (stringp (car thread))
3333 ;; If we use dummy roots, then we have to remove the
3334 ;; dummy root as well.
3335 (when (eq gnus-summary-make-false-root 'dummy)
3337 (gnus-data-compute-positions))
3338 (setq thread (cdr thread))
3340 (gnus-remove-thread-1 (car thread))
3341 (setq thread (cdr thread))))
3342 (gnus-remove-thread-1 thread))))))))
3344 (defun gnus-remove-thread-1 (thread)
3345 "Remove the thread THREAD recursively."
3346 (let ((number (mail-header-number (pop thread)))
3348 (setq thread (reverse thread))
3350 (gnus-remove-thread-1 (pop thread)))
3351 (when (setq d (gnus-data-find number))
3352 (goto-char (gnus-data-pos d))
3355 (- (gnus-point-at-bol)
3357 (1+ (gnus-point-at-eol))
3358 (gnus-delete-line)))))))
3360 (defun gnus-sort-threads (threads)
3362 (if (not gnus-thread-sort-functions)
3364 (gnus-message 7 "Sorting threads...")
3366 (sort threads (gnus-make-sort-function gnus-thread-sort-functions))
3367 (gnus-message 7 "Sorting threads...done"))))
3369 (defun gnus-sort-articles (articles)
3371 (when gnus-article-sort-functions
3372 (gnus-message 7 "Sorting articles...")
3374 (setq gnus-newsgroup-headers
3375 (sort articles (gnus-make-sort-function
3376 gnus-article-sort-functions)))
3377 (gnus-message 7 "Sorting articles...done"))))
3379 ;; Written by Hallvard B Furuseth <h.b.furuseth@usit.uio.no>.
3380 (defmacro gnus-thread-header (thread)
3381 ;; Return header of first article in THREAD.
3382 ;; Note that THREAD must never, ever be anything else than a variable -
3383 ;; using some other form will lead to serious barfage.
3384 (or (symbolp thread) (signal 'wrong-type-argument '(symbolp thread)))
3385 ;; (8% speedup to gnus-summary-prepare, just for fun :-)
3386 (list 'byte-code "\10\211:\203\17\0\211@;\203\16\0A@@\207" ;
3389 (defsubst gnus-article-sort-by-number (h1 h2)
3390 "Sort articles by article number."
3391 (< (mail-header-number h1)
3392 (mail-header-number h2)))
3394 (defun gnus-thread-sort-by-number (h1 h2)
3395 "Sort threads by root article number."
3396 (gnus-article-sort-by-number
3397 (gnus-thread-header h1) (gnus-thread-header h2)))
3399 (defsubst gnus-article-sort-by-lines (h1 h2)
3400 "Sort articles by article Lines header."
3401 (< (mail-header-lines h1)
3402 (mail-header-lines h2)))
3404 (defun gnus-thread-sort-by-lines (h1 h2)
3405 "Sort threads by root article Lines header."
3406 (gnus-article-sort-by-lines
3407 (gnus-thread-header h1) (gnus-thread-header h2)))
3409 (defsubst gnus-article-sort-by-author (h1 h2)
3410 "Sort articles by root author."
3412 (let ((extract (funcall
3413 gnus-extract-address-components
3414 (mail-header-from h1))))
3415 (or (car extract) (cadr extract) ""))
3416 (let ((extract (funcall
3417 gnus-extract-address-components
3418 (mail-header-from h2))))
3419 (or (car extract) (cadr extract) ""))))
3421 (defun gnus-thread-sort-by-author (h1 h2)
3422 "Sort threads by root author."
3423 (gnus-article-sort-by-author
3424 (gnus-thread-header h1) (gnus-thread-header h2)))
3426 (defsubst gnus-article-sort-by-subject (h1 h2)
3427 "Sort articles by root subject."
3429 (downcase (gnus-simplify-subject-re (mail-header-subject h1)))
3430 (downcase (gnus-simplify-subject-re (mail-header-subject h2)))))
3432 (defun gnus-thread-sort-by-subject (h1 h2)
3433 "Sort threads by root subject."
3434 (gnus-article-sort-by-subject
3435 (gnus-thread-header h1) (gnus-thread-header h2)))
3437 (defsubst gnus-article-sort-by-date (h1 h2)
3438 "Sort articles by root article date."
3440 (gnus-date-get-time (mail-header-date h1))
3441 (gnus-date-get-time (mail-header-date h2))))
3443 (defun gnus-thread-sort-by-date (h1 h2)
3444 "Sort threads by root article date."
3445 (gnus-article-sort-by-date
3446 (gnus-thread-header h1) (gnus-thread-header h2)))
3448 (defsubst gnus-article-sort-by-score (h1 h2)
3449 "Sort articles by root article score.
3450 Unscored articles will be counted as having a score of zero."
3451 (> (or (cdr (assq (mail-header-number h1)
3452 gnus-newsgroup-scored))
3453 gnus-summary-default-score 0)
3454 (or (cdr (assq (mail-header-number h2)
3455 gnus-newsgroup-scored))
3456 gnus-summary-default-score 0)))
3458 (defun gnus-thread-sort-by-score (h1 h2)
3459 "Sort threads by root article score."
3460 (gnus-article-sort-by-score
3461 (gnus-thread-header h1) (gnus-thread-header h2)))
3463 (defun gnus-thread-sort-by-total-score (h1 h2)
3464 "Sort threads by the sum of all scores in the thread.
3465 Unscored articles will be counted as having a score of zero."
3466 (> (gnus-thread-total-score h1) (gnus-thread-total-score h2)))
3468 (defun gnus-thread-total-score (thread)
3469 ;; This function find the total score of THREAD.
3470 (cond ((null thread)
3473 (if (stringp (car thread))
3474 (apply gnus-thread-score-function 0
3475 (mapcar 'gnus-thread-total-score-1 (cdr thread)))
3476 (gnus-thread-total-score-1 thread)))
3478 (gnus-thread-total-score-1 (list thread)))))
3480 (defun gnus-thread-total-score-1 (root)
3481 ;; This function find the total score of the thread below ROOT.
3482 (setq root (car root))
3483 (apply gnus-thread-score-function
3485 (mapcar 'gnus-thread-total-score
3486 (cdr (gnus-gethash (mail-header-id root)
3487 gnus-newsgroup-dependencies)))
3488 (when (> (mail-header-number root) 0)
3489 (list (or (cdr (assq (mail-header-number root)
3490 gnus-newsgroup-scored))
3491 gnus-summary-default-score 0))))
3492 (list gnus-summary-default-score)
3495 ;; Added by Per Abrahamsen <amanda@iesd.auc.dk>.
3496 (defvar gnus-tmp-prev-subject nil)
3497 (defvar gnus-tmp-false-parent nil)
3498 (defvar gnus-tmp-root-expunged nil)
3499 (defvar gnus-tmp-dummy-line nil)
3501 (defun gnus-summary-prepare-threads (threads)
3502 "Prepare summary buffer from THREADS and indentation LEVEL.
3503 THREADS is either a list of `(PARENT [(CHILD1 [(GRANDCHILD ...]...) ...])'
3504 or a straight list of headers."
3505 (gnus-message 7 "Generating summary...")
3507 (setq gnus-newsgroup-threads threads)
3510 (let ((gnus-tmp-level 0)
3511 (default-score (or gnus-summary-default-score 0))
3512 (gnus-visual-p (gnus-visual-p 'summary-highlight 'highlight))
3513 thread number subject stack state gnus-tmp-gathered beg-match
3514 new-roots gnus-tmp-new-adopts thread-end
3515 gnus-tmp-header gnus-tmp-unread
3516 gnus-tmp-replied gnus-tmp-subject-or-nil
3517 gnus-tmp-dummy gnus-tmp-indentation gnus-tmp-lines gnus-tmp-score
3518 gnus-tmp-score-char gnus-tmp-from gnus-tmp-name
3519 gnus-tmp-number gnus-tmp-opening-bracket gnus-tmp-closing-bracket)
3521 (setq gnus-tmp-prev-subject nil)
3523 (if (vectorp (car threads))
3524 ;; If this is a straight (sic) list of headers, then a
3525 ;; threaded summary display isn't required, so we just create
3526 ;; an unthreaded one.
3527 (gnus-summary-prepare-unthreaded threads)
3529 ;; Do the threaded display.
3531 (while (or threads stack gnus-tmp-new-adopts new-roots)
3533 (if (and (= gnus-tmp-level 0)
3534 (not (setq gnus-tmp-dummy-line nil))
3537 (not gnus-tmp-false-parent)
3538 (or gnus-tmp-new-adopts new-roots))
3539 (if gnus-tmp-new-adopts
3540 (setq gnus-tmp-level (if gnus-tmp-root-expunged 0 1)
3541 thread (list (car gnus-tmp-new-adopts))
3542 gnus-tmp-header (caar thread)
3543 gnus-tmp-new-adopts (cdr gnus-tmp-new-adopts))
3545 (setq thread (list (car new-roots))
3546 gnus-tmp-header (caar thread)
3547 new-roots (cdr new-roots))))
3550 ;; If there are some threads, we do them before the
3551 ;; threads on the stack.
3552 (setq thread threads
3553 gnus-tmp-header (caar thread))
3554 ;; There were no current threads, so we pop something off
3556 (setq state (car stack)
3557 gnus-tmp-level (car state)
3560 gnus-tmp-header (caar thread))))
3562 (setq gnus-tmp-false-parent nil)
3563 (setq gnus-tmp-root-expunged nil)
3564 (setq thread-end nil)
3566 (if (stringp gnus-tmp-header)
3567 ;; The header is a dummy root.
3569 ((eq gnus-summary-make-false-root 'adopt)
3570 ;; We let the first article adopt the rest.
3571 (setq gnus-tmp-new-adopts (nconc gnus-tmp-new-adopts
3573 (setq gnus-tmp-gathered
3575 (lambda (h) (mail-header-number (car h)))
3578 (setq thread (cons (list (caar thread)
3581 (setq gnus-tmp-level -1
3582 gnus-tmp-false-parent t))
3583 ((eq gnus-summary-make-false-root 'empty)
3584 ;; We print adopted articles with empty subject fields.
3585 (setq gnus-tmp-gathered
3587 (lambda (h) (mail-header-number (car h)))
3590 (setq gnus-tmp-level -1))
3591 ((eq gnus-summary-make-false-root 'dummy)
3592 ;; We remember that we probably want to output a dummy
3594 (setq gnus-tmp-dummy-line gnus-tmp-header)
3595 (setq gnus-tmp-prev-subject gnus-tmp-header))
3597 ;; We do not make a root for the gathered
3598 ;; sub-threads at all.
3599 (setq gnus-tmp-level -1)))
3601 (setq number (mail-header-number gnus-tmp-header)
3602 subject (mail-header-subject gnus-tmp-header))
3605 ;; If the thread has changed subject, we might want to make
3606 ;; this subthread into a root.
3607 ((and (null gnus-thread-ignore-subject)
3608 (not (zerop gnus-tmp-level))
3609 gnus-tmp-prev-subject
3611 (gnus-subject-equal gnus-tmp-prev-subject subject))))
3612 (setq new-roots (nconc new-roots (list (car thread)))
3614 gnus-tmp-header nil))
3615 ;; If the article lies outside the current limit,
3616 ;; then we do not display it.
3617 ((not (memq number gnus-newsgroup-limit))
3618 (setq gnus-tmp-gathered
3620 (lambda (h) (mail-header-number (car h)))
3623 (setq gnus-tmp-new-adopts (if (cdar thread)
3624 (append gnus-tmp-new-adopts
3626 gnus-tmp-new-adopts)
3628 gnus-tmp-header nil)
3629 (when (zerop gnus-tmp-level)
3630 (setq gnus-tmp-root-expunged t)))
3631 ;; Perhaps this article is to be marked as read?
3632 ((and gnus-summary-mark-below
3633 (< (or (cdr (assq number gnus-newsgroup-scored))
3635 gnus-summary-mark-below)
3636 ;; Don't touch sparse articles.
3637 (not (gnus-summary-article-sparse-p number))
3638 (not (gnus-summary-article-ancient-p number)))
3639 (setq gnus-newsgroup-unreads
3640 (delq number gnus-newsgroup-unreads))
3641 (if gnus-newsgroup-auto-expire
3642 (push number gnus-newsgroup-expirable)
3643 (push (cons number gnus-low-score-mark)
3644 gnus-newsgroup-reads))))
3646 (when gnus-tmp-header
3647 ;; We may have an old dummy line to output before this
3649 (when gnus-tmp-dummy-line
3650 (gnus-summary-insert-dummy-line
3651 gnus-tmp-dummy-line (mail-header-number gnus-tmp-header))
3652 (setq gnus-tmp-dummy-line nil))
3654 ;; Compute the mark.
3655 (setq gnus-tmp-unread (gnus-article-mark number))
3657 (push (gnus-data-make number gnus-tmp-unread (1+ (point))
3658 gnus-tmp-header gnus-tmp-level)
3659 gnus-newsgroup-data)
3661 ;; Actually insert the line.
3663 gnus-tmp-subject-or-nil
3665 ((and gnus-thread-ignore-subject
3666 gnus-tmp-prev-subject
3667 (not (inline (gnus-subject-equal
3668 gnus-tmp-prev-subject subject))))
3670 ((zerop gnus-tmp-level)
3671 (if (and (eq gnus-summary-make-false-root 'empty)
3672 (memq number gnus-tmp-gathered)
3673 gnus-tmp-prev-subject
3674 (inline (gnus-subject-equal
3675 gnus-tmp-prev-subject subject)))
3676 gnus-summary-same-subject
3678 (t gnus-summary-same-subject)))
3679 (if (and (eq gnus-summary-make-false-root 'adopt)
3680 (= gnus-tmp-level 1)
3681 (memq number gnus-tmp-gathered))
3682 (setq gnus-tmp-opening-bracket ?\<
3683 gnus-tmp-closing-bracket ?\>)
3684 (setq gnus-tmp-opening-bracket ?\[
3685 gnus-tmp-closing-bracket ?\]))
3687 gnus-tmp-indentation
3688 (aref gnus-thread-indent-array gnus-tmp-level)
3689 gnus-tmp-lines (mail-header-lines gnus-tmp-header)
3690 gnus-tmp-score (or (cdr (assq number gnus-newsgroup-scored))
3691 gnus-summary-default-score 0)
3693 (if (or (null gnus-summary-default-score)
3694 (<= (abs (- gnus-tmp-score gnus-summary-default-score))
3695 gnus-summary-zcore-fuzz))
3697 (if (< gnus-tmp-score gnus-summary-default-score)
3698 gnus-score-below-mark gnus-score-over-mark))
3700 (cond ((memq number gnus-newsgroup-processable)
3702 ((memq number gnus-newsgroup-cached)
3704 ((memq number gnus-newsgroup-replied)
3706 ((memq number gnus-newsgroup-saved)
3708 (t gnus-unread-mark))
3709 gnus-tmp-from (mail-header-from gnus-tmp-header)
3712 ((string-match "<[^>]+> *$" gnus-tmp-from)
3713 (setq beg-match (match-beginning 0))
3714 (or (and (string-match "^\"[^\"]*\"" gnus-tmp-from)
3715 (substring gnus-tmp-from (1+ (match-beginning 0))
3716 (1- (match-end 0))))
3717 (substring gnus-tmp-from 0 beg-match)))
3718 ((string-match "(.+)" gnus-tmp-from)
3719 (substring gnus-tmp-from
3720 (1+ (match-beginning 0)) (1- (match-end 0))))
3722 (when (string= gnus-tmp-name "")
3723 (setq gnus-tmp-name gnus-tmp-from))
3724 (unless (numberp gnus-tmp-lines)
3725 (setq gnus-tmp-lines 0))
3726 (gnus-put-text-property
3728 (progn (eval gnus-summary-line-format-spec) (point))
3729 'gnus-number number)
3732 (gnus-run-hooks 'gnus-summary-update-hook)
3735 (setq gnus-tmp-prev-subject subject)))
3737 (when (nth 1 thread)
3738 (push (cons (max 0 gnus-tmp-level) (nthcdr 1 thread)) stack))
3739 (incf gnus-tmp-level)
3740 (setq threads (if thread-end nil (cdar thread)))
3742 (setq gnus-tmp-level 0)))))
3743 (gnus-message 7 "Generating summary...done"))
3745 (defun gnus-summary-prepare-unthreaded (headers)
3746 "Generate an unthreaded summary buffer based on HEADERS."
3747 (let (header number mark)
3752 ;; We may have to root out some bad articles...
3753 (when (memq (setq number (mail-header-number
3754 (setq header (pop headers))))
3755 gnus-newsgroup-limit)
3756 ;; Mark article as read when it has a low score.
3757 (when (and gnus-summary-mark-below
3758 (< (or (cdr (assq number gnus-newsgroup-scored))
3759 gnus-summary-default-score 0)
3760 gnus-summary-mark-below)
3761 (not (gnus-summary-article-ancient-p number)))
3762 (setq gnus-newsgroup-unreads
3763 (delq number gnus-newsgroup-unreads))
3764 (if gnus-newsgroup-auto-expire
3765 (push number gnus-newsgroup-expirable)
3766 (push (cons number gnus-low-score-mark)
3767 gnus-newsgroup-reads)))
3769 (setq mark (gnus-article-mark number))
3770 (push (gnus-data-make number mark (1+ (point)) header 0)
3771 gnus-newsgroup-data)
3772 (gnus-summary-insert-line
3774 mark (memq number gnus-newsgroup-replied)
3775 (memq number gnus-newsgroup-expirable)
3776 (mail-header-subject header) nil
3777 (cdr (assq number gnus-newsgroup-scored))
3778 (memq number gnus-newsgroup-processable))))))
3780 (defun gnus-select-newsgroup (group &optional read-all)
3781 "Select newsgroup GROUP.
3782 If READ-ALL is non-nil, all articles in the group are selected."
3783 (let* ((entry (gnus-gethash group gnus-newsrc-hashtb))
3784 ;;!!! Dirty hack; should be removed.
3785 (gnus-summary-ignore-duplicates
3786 (if (eq (car (gnus-find-method-for-group group)) 'nnvirtual)
3788 gnus-summary-ignore-duplicates))
3789 (info (nth 2 entry))
3790 articles fetched-articles cached)
3792 (unless (gnus-check-server
3793 (setq gnus-current-select-method
3794 (gnus-find-method-for-group group)))
3795 (error "Couldn't open server"))
3797 (or (and entry (not (eq (car entry) t))) ; Either it's active...
3798 (gnus-activate-group group) ; Or we can activate it...
3799 (progn ; Or we bug out.
3800 (when (equal major-mode 'gnus-summary-mode)
3801 (kill-buffer (current-buffer)))
3802 (error "Couldn't request group %s: %s"
3803 group (gnus-status-message group))))
3805 (unless (gnus-request-group group t)
3806 (when (equal major-mode 'gnus-summary-mode)
3807 (kill-buffer (current-buffer)))
3808 (error "Couldn't request group %s: %s"
3809 group (gnus-status-message group)))
3811 (setq gnus-newsgroup-name group)
3812 (setq gnus-newsgroup-unselected nil)
3813 (setq gnus-newsgroup-unreads (gnus-list-of-unread-articles group))
3815 ;; Adjust and set lists of article marks.
3817 (gnus-adjust-marked-articles info))
3819 ;; Kludge to avoid having cached articles nixed out in virtual groups.
3820 (when (gnus-virtual-group-p group)
3821 (setq cached gnus-newsgroup-cached))
3823 (setq gnus-newsgroup-unreads
3824 (gnus-set-difference
3825 (gnus-set-difference gnus-newsgroup-unreads gnus-newsgroup-marked)
3826 gnus-newsgroup-dormant))
3828 (setq gnus-newsgroup-processable nil)
3830 (gnus-update-read-articles group gnus-newsgroup-unreads)
3831 (unless (gnus-ephemeral-group-p gnus-newsgroup-name)
3832 (gnus-group-update-group group))
3834 (setq articles (gnus-articles-to-read group read-all))
3838 ;;(gnus-message 3 "Couldn't select newsgroup -- no articles to display")
3840 ((eq articles 0) nil)
3842 ;; Init the dependencies hash table.
3843 (setq gnus-newsgroup-dependencies
3844 (gnus-make-hashtable (length articles)))
3845 ;; Retrieve the headers and read them in.
3846 (gnus-message 5 "Fetching headers for %s..." gnus-newsgroup-name)
3847 (setq gnus-newsgroup-headers
3849 (setq gnus-headers-retrieved-by
3850 (gnus-retrieve-headers
3851 articles gnus-newsgroup-name
3852 ;; We might want to fetch old headers, but
3853 ;; not if there is only 1 article.
3854 (and gnus-fetch-old-headers
3856 (not (eq gnus-fetch-old-headers 'some))
3857 (not (numberp gnus-fetch-old-headers)))
3858 (> (length articles) 1))))))
3859 (gnus-get-newsgroup-headers-xover
3860 articles nil nil gnus-newsgroup-name t)
3861 (gnus-get-newsgroup-headers)))
3862 (gnus-message 5 "Fetching headers for %s...done" gnus-newsgroup-name)
3864 ;; Kludge to avoid having cached articles nixed out in virtual groups.
3866 (setq gnus-newsgroup-cached cached))
3868 ;; Suppress duplicates?
3869 (when gnus-suppress-duplicates
3870 (gnus-dup-suppress-articles))
3872 ;; Set the initial limit.
3873 (setq gnus-newsgroup-limit (copy-sequence articles))
3874 ;; Remove canceled articles from the list of unread articles.
3875 (setq gnus-newsgroup-unreads
3876 (gnus-set-sorted-intersection
3877 gnus-newsgroup-unreads
3878 (setq fetched-articles
3879 (mapcar (lambda (headers) (mail-header-number headers))
3880 gnus-newsgroup-headers))))
3881 ;; Removed marked articles that do not exist.
3882 (gnus-update-missing-marks
3883 (gnus-sorted-complement fetched-articles articles))
3884 ;; Let the Gnus agent mark articles as read.
3886 (gnus-agent-get-undownloaded-list))
3887 ;; We might want to build some more threads first.
3888 (when (and gnus-fetch-old-headers
3889 (eq gnus-headers-retrieved-by 'nov))
3890 (if (eq gnus-fetch-old-headers 'invisible)
3891 (gnus-build-all-threads)
3892 (gnus-build-old-threads)))
3893 ;; Check whether auto-expire is to be done in this group.
3894 (setq gnus-newsgroup-auto-expire
3895 (gnus-group-auto-expirable-p group))
3896 ;; Set up the article buffer now, if necessary.
3897 (unless gnus-single-article-buffer
3898 (gnus-article-setup-buffer))
3899 ;; First and last article in this newsgroup.
3900 (when gnus-newsgroup-headers
3901 (setq gnus-newsgroup-begin
3902 (mail-header-number (car gnus-newsgroup-headers))
3905 (gnus-last-element gnus-newsgroup-headers))))
3906 ;; GROUP is successfully selected.
3907 (or gnus-newsgroup-headers t)))))
3909 (defun gnus-articles-to-read (group &optional read-all)
3910 ;; Find out what articles the user wants to read.
3912 ;; Select all articles if `read-all' is non-nil, or if there
3913 ;; are no unread articles.
3915 (and (zerop (length gnus-newsgroup-marked))
3916 (zerop (length gnus-newsgroup-unreads)))
3917 (eq (gnus-group-find-parameter group 'display)
3919 (gnus-uncompress-range (gnus-active group))
3920 (sort (append gnus-newsgroup-dormant gnus-newsgroup-marked
3921 (copy-sequence gnus-newsgroup-unreads))
3923 (scored-list (gnus-killed-articles gnus-newsgroup-killed articles))
3924 (scored (length scored-list))
3925 (number (length articles))
3926 (marked (+ (length gnus-newsgroup-marked)
3927 (length gnus-newsgroup-dormant)))
3935 ((and (or (<= scored marked) (= scored number))
3936 (numberp gnus-large-newsgroup)
3937 (> number gnus-large-newsgroup))
3941 "How many articles from %s (default %d): "
3942 (gnus-limit-string gnus-newsgroup-name 35)
3944 (if (string-match "^[ \t]*$" input) number input)))
3945 ((and (> scored marked) (< scored number)
3946 (> (- scored number) 20))
3949 (format "%s %s (%d scored, %d total): "
3950 "How many articles from"
3951 group scored number))))
3952 (if (string-match "^[ \t]*$" input)
3956 (setq select (if (stringp select) (string-to-number select) select))
3957 (if (or (null select) (zerop select))
3959 (if (and (not (zerop scored)) (<= (abs select) scored))
3961 (setq articles (sort scored-list '<))
3962 (setq number (length articles)))
3963 (setq articles (copy-sequence articles)))
3965 (when (< (abs select) number)
3967 ;; Select the N oldest articles.
3968 (setcdr (nthcdr (1- (abs select)) articles) nil)
3969 ;; Select the N most recent articles.
3970 (setq articles (nthcdr (- number select) articles))))
3971 (setq gnus-newsgroup-unselected
3972 (gnus-sorted-intersection
3973 gnus-newsgroup-unreads
3974 (gnus-sorted-complement gnus-newsgroup-unreads articles)))
3977 (defun gnus-killed-articles (killed articles)
3980 (when (inline (gnus-member-of-range (car articles) killed))
3981 (push (car articles) out))
3982 (setq articles (cdr articles)))
3985 (defun gnus-uncompress-marks (marks)
3986 "Uncompress the mark ranges in MARKS."
3987 (let ((uncompressed '(score bookmark))
3990 (if (memq (caar marks) uncompressed)
3991 (push (car marks) out)
3992 (push (cons (caar marks) (gnus-uncompress-range (cdar marks))) out))
3993 (setq marks (cdr marks)))
3996 (defun gnus-adjust-marked-articles (info)
3997 "Set all article lists and remove all marks that are no longer legal."
3998 (let* ((marked-lists (gnus-info-marks info))
3999 (active (gnus-active (gnus-info-group info)))
4002 (types gnus-article-mark-lists)
4003 (uncompressed '(score bookmark killed))
4004 marks var articles article mark)
4007 (setq marks (pop marked-lists))
4008 (set (setq var (intern (format "gnus-newsgroup-%s"
4009 (car (rassq (setq mark (car marks))
4011 (if (memq (car marks) uncompressed) (cdr marks)
4012 (gnus-uncompress-range (cdr marks))))
4014 (setq articles (symbol-value var))
4016 ;; All articles have to be subsets of the active articles.
4018 ;; Adjust "simple" lists.
4019 ((memq mark '(tick dormant expire reply save))
4021 (when (or (< (setq article (pop articles)) min) (> article max))
4022 (set var (delq article (symbol-value var))))))
4024 ((memq mark uncompressed)
4025 (when (not (listp (cdr (symbol-value var))))
4026 (set var (list (symbol-value var))))
4027 (when (not (listp (cdr articles)))
4028 (setq articles (list articles)))
4030 (when (or (not (consp (setq article (pop articles))))
4031 (< (car article) min)
4032 (> (car article) max))
4033 (set var (delq article (symbol-value var))))))))))
4035 (defun gnus-update-missing-marks (missing)
4036 "Go through the list of MISSING articles and remove them from the mark lists."
4038 (let ((types gnus-article-mark-lists)
4040 ;; Go through all types.
4042 (setq var (intern (format "gnus-newsgroup-%s" (car (pop types)))))
4043 (when (symbol-value var)
4044 ;; This list has articles. So we delete all missing articles
4048 (set var (delq (pop m) (symbol-value var)))))))))
4050 (defun gnus-update-marks ()
4051 "Enter the various lists of marked articles into the newsgroup info list."
4052 (let ((types gnus-article-mark-lists)
4053 (info (gnus-get-info gnus-newsgroup-name))
4054 (uncompressed '(score bookmark killed))
4055 type list newmarked symbol)
4057 ;; Add all marks lists that are non-nil to the list of marks lists.
4058 (while (setq type (pop types))
4059 (when (setq list (symbol-value
4061 (intern (format "gnus-newsgroup-%s"
4064 ;; Get rid of the entries of the articles that have the
4066 (when (and (eq (cdr type) 'score)
4070 (prev (cons nil list))
4073 (if (or (not (consp (car arts)))
4074 (= (cdar arts) gnus-summary-default-score))
4075 (setcdr prev (cdr arts))
4077 (setq arts (cdr arts)))
4078 (setq list (cdr all))))
4080 (push (cons (cdr type)
4081 (if (memq (cdr type) uncompressed) list
4082 (gnus-compress-sequence
4083 (set symbol (sort list '<)) t)))
4086 ;; Enter these new marks into the info of the group.
4088 (setcar (nthcdr 3 info) newmarked)
4089 ;; Add the marks lists to the end of the info.
4091 (setcdr (nthcdr 2 info) (list newmarked))))
4093 ;; Cut off the end of the info if there's nothing else there.
4097 (when (nthcdr (decf i) info)
4098 (setcdr (nthcdr i info) nil)))))))
4100 (defun gnus-set-mode-line (where)
4101 "This function sets the mode line of the article or summary buffers.
4102 If WHERE is `summary', the summary mode line format will be used."
4103 ;; Is this mode line one we keep updated?
4104 (when (memq where gnus-updated-mode-lines)
4107 ;; We evaluate this in the summary buffer since these
4108 ;; variables are buffer-local to that buffer.
4109 (set-buffer gnus-summary-buffer)
4110 ;; We bind all these variables that are used in the `eval' form
4112 (let* ((mformat (symbol-value
4114 (format "gnus-%s-mode-line-format-spec" where))))
4115 (gnus-tmp-group-name gnus-newsgroup-name)
4116 (gnus-tmp-article-number (or gnus-current-article 0))
4117 (gnus-tmp-unread gnus-newsgroup-unreads)
4118 (gnus-tmp-unread-and-unticked (length gnus-newsgroup-unreads))
4119 (gnus-tmp-unselected (length gnus-newsgroup-unselected))
4120 (gnus-tmp-unread-and-unselected
4121 (cond ((and (zerop gnus-tmp-unread-and-unticked)
4122 (zerop gnus-tmp-unselected))
4124 ((zerop gnus-tmp-unselected)
4125 (format "{%d more}" gnus-tmp-unread-and-unticked))
4126 (t (format "{%d(+%d) more}"
4127 gnus-tmp-unread-and-unticked
4128 gnus-tmp-unselected))))
4130 (if (and gnus-current-headers
4131 (vectorp gnus-current-headers))
4132 (gnus-mode-string-quote
4133 (mail-header-subject gnus-current-headers))
4135 bufname-length max-len
4136 gnus-tmp-header);; passed as argument to any user-format-funcs
4137 (setq mode-string (eval mformat))
4138 (setq bufname-length (if (string-match "%b" mode-string)
4141 (if (eq where 'summary)
4143 (get-buffer gnus-article-buffer))))
4146 (setq max-len (max 4 (if gnus-mode-non-string-length
4148 gnus-mode-non-string-length
4150 (length mode-string))))
4151 ;; We might have to chop a bit of the string off...
4152 (when (> (length mode-string) max-len)
4154 (concat (gnus-truncate-string mode-string (- max-len 3))
4156 ;; Pad the mode string a bit.
4157 (setq mode-string (format (format "%%-%ds" max-len) mode-string))))
4158 ;; Update the mode line.
4159 (setq mode-line-buffer-identification
4160 (gnus-mode-line-buffer-identification (list mode-string)))
4161 (set-buffer-modified-p t))))
4163 (defun gnus-create-xref-hashtb (from-newsgroup headers unreads)
4164 "Go through the HEADERS list and add all Xrefs to a hash table.
4165 The resulting hash table is returned, or nil if no Xrefs were found."
4166 (let* ((virtual (gnus-virtual-group-p from-newsgroup))
4167 (prefix (if virtual "" (gnus-group-real-prefix from-newsgroup)))
4168 (xref-hashtb (gnus-make-hashtable))
4169 start group entry number xrefs header)
4171 (setq header (pop headers))
4172 (when (and (setq xrefs (mail-header-xref header))
4173 (not (memq (setq number (mail-header-number header))
4176 (while (string-match "\\([^ ]+\\)[:/]\\([0-9]+\\)" xrefs start)
4177 (setq start (match-end 0))
4178 (setq group (if prefix
4179 (concat prefix (substring xrefs (match-beginning 1)
4181 (substring xrefs (match-beginning 1) (match-end 1))))
4183 (string-to-int (substring xrefs (match-beginning 2)
4185 (if (setq entry (gnus-gethash group xref-hashtb))
4186 (setcdr entry (cons number (cdr entry)))
4187 (gnus-sethash group (cons number nil) xref-hashtb)))))
4188 (and start xref-hashtb)))
4190 (defun gnus-mark-xrefs-as-read (from-newsgroup headers unreads)
4191 "Look through all the headers and mark the Xrefs as read."
4192 (let ((virtual (gnus-virtual-group-p from-newsgroup))
4193 name entry info xref-hashtb idlist method nth4)
4195 (set-buffer gnus-group-buffer)
4196 (when (setq xref-hashtb
4197 (gnus-create-xref-hashtb from-newsgroup headers unreads))
4200 (unless (string= from-newsgroup (setq name (symbol-name group)))
4201 (setq idlist (symbol-value group))
4202 ;; Dead groups are not updated.
4204 (setq entry (gnus-gethash name gnus-newsrc-hashtb)
4206 (when (stringp (setq nth4 (gnus-info-method info)))
4207 (setq nth4 (gnus-server-to-method nth4))))
4208 ;; Only do the xrefs if the group has the same
4209 ;; select method as the group we have just read.
4210 (or (gnus-methods-equal-p
4211 nth4 (gnus-find-method-for-group from-newsgroup))
4213 (equal nth4 (setq method (gnus-find-method-for-group
4215 (and (equal (car nth4) (car method))
4216 (equal (nth 1 nth4) (nth 1 method))))
4217 gnus-use-cross-reference
4218 (or (not (eq gnus-use-cross-reference t))
4220 ;; Only do cross-references on subscribed
4221 ;; groups, if that is what is wanted.
4222 (<= (gnus-info-level info) gnus-level-subscribed))
4223 (gnus-group-make-articles-read name idlist))))
4226 (defun gnus-compute-read-articles (group articles)
4227 (let* ((entry (gnus-gethash group gnus-newsrc-hashtb))
4228 (info (nth 2 entry))
4229 (active (gnus-active group))
4232 ;; First peel off all illegal article numbers.
4234 (let ((ids articles)
4236 (while (setq id (pop ids))
4237 (when (and first (> id (cdr active)))
4238 ;; We'll end up in this situation in one particular
4239 ;; obscure situation. If you re-scan a group and get
4240 ;; a new article that is cross-posted to a different
4241 ;; group that has not been re-scanned, you might get
4242 ;; crossposted article that has a higher number than
4243 ;; Gnus believes possible. So we re-activate this
4244 ;; group as well. This might mean doing the
4245 ;; crossposting thingy will *increase* the number
4246 ;; of articles in some groups. Tsk, tsk.
4247 (setq active (or (gnus-activate-group group) active)))
4248 (when (or (> id (cdr active))
4249 (< id (car active)))
4250 (setq articles (delq id articles))))))
4251 ;; If the read list is nil, we init it.
4253 (null (gnus-info-read info))
4255 (setq ninfo (cons 1 (1- (car active))))
4256 (setq ninfo (gnus-info-read info)))
4257 ;; Then we add the read articles to the range.
4259 ninfo (setq articles (sort articles '<))))))
4261 (defun gnus-group-make-articles-read (group articles)
4262 "Update the info of GROUP to say that ARTICLES are read."
4264 (entry (gnus-gethash group gnus-newsrc-hashtb))
4265 (info (nth 2 entry))
4266 (active (gnus-active group))
4269 (setq range (gnus-compute-read-articles group articles))
4271 (set-buffer gnus-group-buffer)
4274 (gnus-info-set-marks ',info ',(gnus-info-marks info) t)
4275 (gnus-info-set-read ',info ',(gnus-info-read info))
4276 (gnus-get-unread-articles-in-group ',info (gnus-active ,group))
4277 (gnus-group-update-group ,group t))))
4278 ;; Add the read articles to the range.
4279 (gnus-info-set-read info range)
4280 ;; Then we have to re-compute how many unread
4281 ;; articles there are in this group.
4285 (setq num (- (1+ (cdr active)) (car active))))
4286 ((not (listp (cdr range)))
4287 (setq num (- (cdr active) (- (1+ (cdr range))
4291 (if (numberp (car range))
4293 (setq num (+ num (- (1+ (cdar range)) (caar range)))))
4294 (setq range (cdr range)))
4295 (setq num (- (cdr active) num))))
4296 ;; Update the number of unread articles.
4298 ;; Update the group buffer.
4299 (gnus-group-update-group group t)))))
4301 (defun gnus-methods-equal-p (m1 m2)
4302 (let ((m1 (or m1 gnus-select-method))
4303 (m2 (or m2 gnus-select-method)))
4305 (and (eq (car m1) (car m2))
4306 (or (not (memq 'address (assoc (symbol-name (car m1))
4307 gnus-valid-select-methods)))
4308 (equal (nth 1 m1) (nth 1 m2)))))))
4310 (defvar gnus-newsgroup-none-id 0)
4312 (defun gnus-get-newsgroup-headers (&optional dependencies force-new)
4313 (let ((cur nntp-server-buffer)
4316 (save-excursion (set-buffer gnus-summary-buffer)
4317 gnus-newsgroup-dependencies)))
4318 headers id id-dep ref-dep end ref)
4320 (set-buffer nntp-server-buffer)
4321 ;; Translate all TAB characters into SPACE characters.
4322 (subst-char-in-region (point-min) (point-max) ?\t ? t)
4323 (gnus-run-hooks 'gnus-parse-headers-hook)
4324 (let ((case-fold-search t)
4325 in-reply-to header p lines)
4326 (goto-char (point-min))
4327 ;; Search to the beginning of the next header. Error messages
4328 ;; do not begin with 2 or 3.
4329 (while (re-search-forward "^[23][0-9]+ " nil t)
4332 ;; This implementation of this function, with nine
4333 ;; search-forwards instead of the one re-search-forward and
4334 ;; a case (which basically was the old function) is actually
4335 ;; about twice as fast, even though it looks messier. You
4336 ;; can't have everything, I guess. Speed and elegance
4337 ;; doesn't always go hand in hand.
4346 (narrow-to-region (point)
4347 (or (and (search-forward "\n.\n" nil t)
4353 (if (search-forward "\nsubject: " nil t)
4355 gnus-unstructured-field-decoder (nnheader-header-value))
4360 (if (search-forward "\nfrom: " nil t)
4362 gnus-structured-field-decoder (nnheader-header-value))
4367 (if (search-forward "\ndate: " nil t)
4368 (nnheader-header-value) ""))
4372 (setq id (if (re-search-forward
4373 "^message-id: *\\(<[^\n\t> ]+>\\)" nil t)
4374 ;; We do it this way to make sure the Message-ID
4375 ;; is (somewhat) syntactically valid.
4376 (buffer-substring (match-beginning 1)
4378 ;; If there was no message-id, we just fake one
4379 ;; to make subsequent routines simpler.
4380 (nnheader-generate-fake-message-id))))
4384 (if (search-forward "\nreferences: " nil t)
4388 (nnheader-header-value)
4393 (search-backward ">" end t)
4396 (search-backward "<" end t)
4398 ;; Get the references from the in-reply-to header if there
4399 ;; were no references and the in-reply-to header looks
4401 (if (and (search-forward "\nin-reply-to: " nil t)
4402 (setq in-reply-to (nnheader-header-value))
4403 (string-match "<[^>]+>" in-reply-to))
4405 (setq ref (substring in-reply-to (match-beginning 0)
4407 (while (string-match "<[^>]+>" in-reply-to (match-end 0))
4408 (setq ref2 (substring in-reply-to (match-beginning 0)
4410 (when (> (length ref2) (length ref))
4418 (if (search-forward "\nlines: " nil t)
4419 (if (numberp (setq lines (ignore-errors (read cur))))
4425 (and (search-forward "\nxref: " nil t)
4426 (nnheader-header-value)))))
4427 (when (equal id ref)
4430 (when gnus-alter-header-function
4431 (funcall gnus-alter-header-function header)
4432 (setq id (mail-header-id header)
4433 ref (gnus-parent-id (mail-header-references header))))
4435 ;; We do the threading while we read the headers. The
4436 ;; message-id and the last reference are both entered into
4437 ;; the same hash table. Some tippy-toeing around has to be
4438 ;; done in case an article has arrived before the article
4439 ;; which it refers to.
4440 (if (boundp (setq id-dep (intern id dependencies)))
4441 (if (and (car (symbol-value id-dep))
4443 ;; An article with this Message-ID has already been seen.
4444 (if gnus-summary-ignore-duplicates
4445 ;; We ignore this one, except we add
4446 ;; any additional Xrefs (in case the two articles
4447 ;; came from different servers).
4449 (mail-header-set-xref
4450 (car (symbol-value id-dep))
4451 (concat (or (mail-header-xref
4452 (car (symbol-value id-dep)))
4454 (or (mail-header-xref header) "")))
4456 ;; We rename the Message-ID.
4458 (setq id-dep (intern (setq id (nnmail-message-id))
4461 (mail-header-set-id header id))
4462 (setcar (symbol-value id-dep) header))
4463 (set id-dep (list header)))
4465 (if (boundp (setq ref-dep (intern (or ref "none") dependencies)))
4466 (setcdr (symbol-value ref-dep)
4467 (nconc (cdr (symbol-value ref-dep))
4468 (list (symbol-value id-dep))))
4469 (set ref-dep (list nil (symbol-value id-dep))))
4470 (push header headers))
4471 (goto-char (point-max))
4473 (nreverse headers)))))
4475 ;; The following macros and functions were written by Felix Lee
4476 ;; <flee@cse.psu.edu>.
4478 (defmacro gnus-nov-read-integer ()
4480 (if (= (following-char) ?\t)
4482 (let ((num (ignore-errors (read buffer))))
4483 (if (numberp num) num 0)))
4485 (search-forward "\t" eol 'move))))
4487 (defmacro gnus-nov-skip-field ()
4488 '(search-forward "\t" eol 'move))
4490 (defmacro gnus-nov-field ()
4491 '(buffer-substring (point) (if (gnus-nov-skip-field) (1- (point)) eol)))
4493 ;; (defvar gnus-nov-none-counter 0)
4495 ;; This function has to be called with point after the article number
4496 ;; on the beginning of the line.
4497 (defun gnus-nov-parse-line (number dependencies &optional force-new)
4498 (let ((eol (gnus-point-at-eol))
4499 (buffer (current-buffer))
4500 header ref id id-dep ref-dep)
4502 ;; overview: [num subject from date id refs chars lines misc]
4505 (narrow-to-region (point) eol)
4513 gnus-unstructured-field-decoder (gnus-nov-field)) ; subject
4515 gnus-structured-field-decoder (gnus-nov-field)) ; from
4516 (gnus-nov-field) ; date
4517 (setq id (or (gnus-nov-field)
4518 (nnheader-generate-fake-message-id))) ; id
4520 (let ((beg (point)))
4521 (search-forward "\t" eol)
4522 (if (search-backward ">" beg t)
4526 (or (search-backward "<" beg t) beg)))
4529 (gnus-nov-field)) ; refs
4530 (gnus-nov-read-integer) ; chars
4531 (gnus-nov-read-integer) ; lines
4532 (if (= (following-char) ?\n)
4534 (gnus-nov-field))))) ; misc
4538 (when gnus-alter-header-function
4539 (funcall gnus-alter-header-function header)
4540 (setq id (mail-header-id header)
4541 ref (gnus-parent-id (mail-header-references header))))
4543 ;; We build the thread tree.
4544 (when (equal id ref)
4545 ;; This article refers back to itself. Naughty, naughty.
4547 (if (boundp (setq id-dep (intern id dependencies)))
4548 (if (and (car (symbol-value id-dep))
4550 ;; An article with this Message-ID has already been seen.
4551 (if gnus-summary-ignore-duplicates
4552 ;; We ignore this one, except we add any additional
4553 ;; Xrefs (in case the two articles came from different
4556 (mail-header-set-xref
4557 (car (symbol-value id-dep))
4558 (concat (or (mail-header-xref
4559 (car (symbol-value id-dep)))
4561 (or (mail-header-xref header) "")))
4563 ;; We rename the Message-ID.
4565 (setq id-dep (intern (setq id (nnmail-message-id))
4568 (mail-header-set-id header id))
4569 (setcar (symbol-value id-dep) header))
4570 (set id-dep (list header)))
4572 (if (boundp (setq ref-dep (intern (or ref "none") dependencies)))
4573 (setcdr (symbol-value ref-dep)
4574 (nconc (cdr (symbol-value ref-dep))
4575 (list (symbol-value id-dep))))
4576 (set ref-dep (list nil (symbol-value id-dep)))))
4579 ;; Goes through the xover lines and returns a list of vectors
4580 (defun gnus-get-newsgroup-headers-xover (sequence &optional
4581 force-new dependencies
4582 group also-fetch-heads)
4583 "Parse the news overview data in the server buffer, and return a
4584 list of headers that match SEQUENCE (see `nntp-retrieve-headers')."
4585 ;; Get the Xref when the users reads the articles since most/some
4586 ;; NNTP servers do not include Xrefs when using XOVER.
4587 (setq gnus-article-internal-prepare-hook '(gnus-article-get-xrefs))
4588 (let ((cur nntp-server-buffer)
4589 (dependencies (or dependencies gnus-newsgroup-dependencies))
4590 number headers header)
4592 (set-buffer nntp-server-buffer)
4593 ;; Allow the user to mangle the headers before parsing them.
4594 (gnus-run-hooks 'gnus-parse-headers-hook)
4595 (goto-char (point-min))
4598 (while (and sequence (not (eobp)))
4599 (setq number (read cur))
4600 (while (and sequence
4601 (< (car sequence) number))
4602 (setq sequence (cdr sequence)))
4604 (eq number (car sequence))
4606 (setq sequence (cdr sequence))
4607 (setq header (inline
4608 (gnus-nov-parse-line
4609 number dependencies force-new))))
4610 (push header headers))
4613 (gnus-error 4 "Strange nov line (%d)"
4614 (count-lines (point-min) (point)))))
4616 ;; A common bug in inn is that if you have posted an article and
4617 ;; then retrieves the active file, it will answer correctly --
4618 ;; the new article is included. However, a NOV entry for the
4619 ;; article may not have been generated yet, so this may fail.
4620 ;; We work around this problem by retrieving the last few
4621 ;; headers using HEAD.
4622 (if (or (not also-fetch-heads)
4624 ;; We (probably) got all the headers.
4626 (let ((gnus-nov-is-evil t))
4629 (when (gnus-retrieve-headers sequence group)
4630 (gnus-get-newsgroup-headers))))))))
4632 (defun gnus-article-get-xrefs ()
4633 "Fill in the Xref value in `gnus-current-headers', if necessary.
4634 This is meant to be called in `gnus-article-internal-prepare-hook'."
4635 (let ((headers (save-excursion (set-buffer gnus-summary-buffer)
4636 gnus-current-headers)))
4637 (or (not gnus-use-cross-reference)
4639 (and (mail-header-xref headers)
4640 (not (string= (mail-header-xref headers) "")))
4641 (let ((case-fold-search t)
4644 (nnheader-narrow-to-headers)
4645 (goto-char (point-min))
4646 (when (or (and (eq (downcase (following-char)) ?x)
4647 (looking-at "Xref:"))
4648 (search-forward "\nXref:" nil t))
4649 (goto-char (1+ (match-end 0)))
4650 (setq xref (buffer-substring (point)
4651 (progn (end-of-line) (point))))
4652 (mail-header-set-xref headers xref)))))))
4654 (defun gnus-summary-insert-subject (id &optional old-header use-old-header)
4655 "Find article ID and insert the summary line for that article."
4656 (let ((header (cond ((and old-header use-old-header)
4659 (gnus-number-to-header id))
4660 (gnus-number-to-header id))
4662 (gnus-read-header id))))
4663 (number (and (numberp id) id))
4666 ;; Rebuild the thread that this article is part of and go to the
4667 ;; article we have fetched.
4668 (when (and (not gnus-show-threads)
4670 (when (setq d (gnus-data-find (mail-header-number old-header)))
4671 (goto-char (gnus-data-pos d))
4674 (- (gnus-point-at-bol)
4676 (1+ (gnus-point-at-eol))
4677 (gnus-delete-line))))))
4679 (mail-header-set-number header (mail-header-number old-header)))
4680 (setq gnus-newsgroup-sparse
4681 (delq (setq number (mail-header-number header))
4682 gnus-newsgroup-sparse))
4683 (setq gnus-newsgroup-ancient (delq number gnus-newsgroup-ancient))
4684 (push number gnus-newsgroup-limit)
4685 (gnus-rebuild-thread (mail-header-id header))
4686 (gnus-summary-goto-subject number nil t))
4687 (when (and (numberp number)
4689 ;; We have to update the boundaries even if we can't fetch the
4690 ;; article if ID is a number -- so that the next `P' or `N'
4691 ;; command will fetch the previous (or next) article even
4692 ;; if the one we tried to fetch this time has been canceled.
4693 (when (> number gnus-newsgroup-end)
4694 (setq gnus-newsgroup-end number))
4695 (when (< number gnus-newsgroup-begin)
4696 (setq gnus-newsgroup-begin number))
4697 (setq gnus-newsgroup-unselected
4698 (delq number gnus-newsgroup-unselected)))
4699 ;; Report back a success?
4700 (and header (mail-header-number header))))
4702 ;;; Process/prefix in the summary buffer
4704 (defun gnus-summary-work-articles (n)
4705 "Return a list of articles to be worked upon. The prefix argument,
4706 the list of process marked articles, and the current article will be
4707 taken into consideration."
4709 (set-buffer gnus-summary-buffer)
4712 ;; A numerical prefix has been given.
4713 (setq n (prefix-numeric-value n))
4714 (let ((backward (< n 0))
4715 (n (abs (prefix-numeric-value n)))
4720 (push (setq article (gnus-summary-article-number))
4723 (gnus-summary-find-prev nil article)
4724 (gnus-summary-find-next nil article)))
4726 (nreverse articles)))
4727 ((and (gnus-region-active-p) (mark))
4728 (message "region active")
4729 ;; Work on the region between point and mark.
4730 (let ((max (max (point) (mark)))
4733 (goto-char (min (point) (mark)))
4736 (push (setq article (gnus-summary-article-number)) articles)
4737 (gnus-summary-find-next nil article)
4739 (nreverse articles))))
4740 (gnus-newsgroup-processable
4741 ;; There are process-marked articles present.
4742 ;; Save current state.
4743 (gnus-summary-save-process-mark)
4745 (reverse gnus-newsgroup-processable))
4747 ;; Just return the current article.
4748 (list (gnus-summary-article-number))))))
4750 (defun gnus-summary-save-process-mark ()
4751 "Push the current set of process marked articles on the stack."
4753 (push (copy-sequence gnus-newsgroup-processable)
4754 gnus-newsgroup-process-stack))
4756 (defun gnus-summary-kill-process-mark ()
4757 "Push the current set of process marked articles on the stack and unmark."
4759 (gnus-summary-save-process-mark)
4760 (gnus-summary-unmark-all-processable))
4762 (defun gnus-summary-yank-process-mark ()
4763 "Pop the last process mark state off the stack and restore it."
4765 (unless gnus-newsgroup-process-stack
4766 (error "Empty mark stack"))
4767 (gnus-summary-process-mark-set (pop gnus-newsgroup-process-stack)))
4769 (defun gnus-summary-process-mark-set (set)
4770 "Make SET into the current process marked articles."
4771 (gnus-summary-unmark-all-processable)
4773 (gnus-summary-set-process-mark (pop set))))
4775 ;;; Searching and stuff
4777 (defun gnus-summary-search-group (&optional backward use-level)
4778 "Search for next unread newsgroup.
4779 If optional argument BACKWARD is non-nil, search backward instead."
4781 (set-buffer gnus-group-buffer)
4782 (when (gnus-group-search-forward
4783 backward nil (if use-level (gnus-group-group-level) nil))
4784 (gnus-group-group-name))))
4786 (defun gnus-summary-best-group (&optional exclude-group)
4787 "Find the name of the best unread group.
4788 If EXCLUDE-GROUP, do not go to this group."
4790 (set-buffer gnus-group-buffer)
4792 (gnus-group-best-unread-group exclude-group))))
4794 (defun gnus-summary-find-next (&optional unread article backward)
4795 (if backward (gnus-summary-find-prev)
4796 (let* ((dummy (gnus-summary-article-intangible-p))
4797 (article (or article (gnus-summary-article-number)))
4798 (arts (gnus-data-find-list article))
4800 (when (and (not dummy)
4801 (or (not gnus-summary-check-current)
4803 (not (gnus-data-unread-p (car arts)))))
4804 (setq arts (cdr arts)))
4809 (when (gnus-data-unread-p (car arts))
4810 (setq result (car arts)
4812 (setq arts (cdr arts)))
4815 (goto-char (gnus-data-pos result))
4816 (gnus-data-number result)))))
4818 (defun gnus-summary-find-prev (&optional unread article)
4819 (let* ((eobp (eobp))
4820 (article (or article (gnus-summary-article-number)))
4821 (arts (gnus-data-find-list article (gnus-data-list 'rev)))
4823 (when (and (not eobp)
4824 (or (not gnus-summary-check-current)
4826 (not (gnus-data-unread-p (car arts)))))
4827 (setq arts (cdr arts)))
4832 (when (gnus-data-unread-p (car arts))
4833 (setq result (car arts)
4835 (setq arts (cdr arts)))
4838 (goto-char (gnus-data-pos result))
4839 (gnus-data-number result))))
4841 (defun gnus-summary-find-subject (subject &optional unread backward article)
4842 (let* ((simp-subject (gnus-simplify-subject-fully subject))
4843 (article (or article (gnus-summary-article-number)))
4844 (articles (gnus-data-list backward))
4845 (arts (gnus-data-find-list article articles))
4847 (when (or (not gnus-summary-check-current)
4849 (not (gnus-data-unread-p (car arts))))
4850 (setq arts (cdr arts)))
4852 (and (or (not unread)
4853 (gnus-data-unread-p (car arts)))
4854 (vectorp (gnus-data-header (car arts)))
4856 simp-subject (mail-header-subject (gnus-data-header (car arts))) t)
4857 (setq result (car arts)
4859 (setq arts (cdr arts)))
4861 (goto-char (gnus-data-pos result))
4862 (gnus-data-number result))))
4864 (defun gnus-summary-search-forward (&optional unread subject backward)
4865 "Search forward for an article.
4866 If UNREAD, look for unread articles. If SUBJECT, look for
4867 articles with that subject. If BACKWARD, search backward instead."
4868 (cond (subject (gnus-summary-find-subject subject unread backward))
4869 (backward (gnus-summary-find-prev unread))
4870 (t (gnus-summary-find-next unread))))
4872 (defun gnus-recenter (&optional n)
4873 "Center point in window and redisplay frame.
4874 Also do horizontal recentering."
4876 (when (and gnus-auto-center-summary
4877 (not (eq gnus-auto-center-summary 'vertical)))
4878 (gnus-horizontal-recenter))
4881 (defun gnus-summary-recenter ()
4882 "Center point in the summary window.
4883 If `gnus-auto-center-summary' is nil, or the article buffer isn't
4884 displayed, no centering will be performed."
4885 ;; Suggested by earle@mahendo.JPL.NASA.GOV (Greg Earle).
4886 ;; Recenter only when requested. Suggested by popovich@park.cs.columbia.edu.
4887 (let* ((top (cond ((< (window-height) 4) 0)
4888 ((< (window-height) 7) 1)
4890 (height (1- (window-height)))
4891 (bottom (save-excursion (goto-char (point-max))
4892 (forward-line (- height))
4894 (window (get-buffer-window (current-buffer))))
4895 ;; The user has to want it.
4896 (when gnus-auto-center-summary
4897 (when (get-buffer-window gnus-article-buffer)
4898 ;; Only do recentering when the article buffer is displayed,
4899 ;; Set the window start to either `bottom', which is the biggest
4900 ;; possible valid number, or the second line from the top,
4901 ;; whichever is the least.
4903 window (min bottom (save-excursion
4904 (forward-line (- top)) (point)))))
4905 ;; Do horizontal recentering while we're at it.
4906 (when (and (get-buffer-window (current-buffer) t)
4907 (not (eq gnus-auto-center-summary 'vertical)))
4908 (let ((selected (selected-window)))
4909 (select-window (get-buffer-window (current-buffer) t))
4910 (gnus-summary-position-point)
4911 (gnus-horizontal-recenter)
4912 (select-window selected))))))
4914 (defun gnus-summary-jump-to-group (newsgroup)
4915 "Move point to NEWSGROUP in group mode buffer."
4916 ;; Keep update point of group mode buffer if visible.
4917 (if (eq (current-buffer) (get-buffer gnus-group-buffer))
4918 (save-window-excursion
4919 ;; Take care of tree window mode.
4920 (when (get-buffer-window gnus-group-buffer)
4921 (pop-to-buffer gnus-group-buffer))
4922 (gnus-group-jump-to-group newsgroup))
4924 ;; Take care of tree window mode.
4925 (if (get-buffer-window gnus-group-buffer)
4926 (pop-to-buffer gnus-group-buffer)
4927 (set-buffer gnus-group-buffer))
4928 (gnus-group-jump-to-group newsgroup))))
4930 ;; This function returns a list of article numbers based on the
4931 ;; difference between the ranges of read articles in this group and
4932 ;; the range of active articles.
4933 (defun gnus-list-of-unread-articles (group)
4934 (let* ((read (gnus-info-read (gnus-get-info group)))
4935 (active (or (gnus-active group) (gnus-activate-group group)))
4938 ;; If none are read, then all are unread.
4940 (setq first (car active))
4941 ;; If the range of read articles is a single range, then the
4942 ;; first unread article is the article after the last read
4943 ;; article. Sounds logical, doesn't it?
4944 (if (not (listp (cdr read)))
4945 (setq first (1+ (cdr read)))
4946 ;; `read' is a list of ranges.
4947 (when (/= (setq nlast (or (and (numberp (car read)) (car read))
4953 (while (< first nlast)
4955 (setq first (1+ first))))
4956 (setq first (1+ (if (atom (car read)) (car read) (cdar read))))
4957 (setq nlast (if (atom (cadr read)) (cadr read) (caadr read)))
4958 (setq read (cdr read)))))
4959 ;; And add the last unread articles.
4960 (while (<= first last)
4962 (setq first (1+ first)))
4963 ;; Return the list of unread articles.
4964 (delq 0 (nreverse unread))))
4966 (defun gnus-list-of-read-articles (group)
4967 "Return a list of unread, unticked and non-dormant articles."
4968 (let* ((info (gnus-get-info group))
4969 (marked (gnus-info-marks info))
4970 (active (gnus-active group)))
4972 (gnus-set-difference
4973 (gnus-sorted-complement
4974 (gnus-uncompress-range active)
4975 (gnus-list-of-unread-articles group))
4977 (gnus-uncompress-range (cdr (assq 'dormant marked)))
4978 (gnus-uncompress-range (cdr (assq 'tick marked))))))))
4980 ;; Various summary commands
4982 (defun gnus-summary-select-article-buffer ()
4983 "Reconfigure windows to show article buffer."
4985 (if (not (gnus-buffer-live-p gnus-article-buffer))
4986 (error "There is no article buffer for this summary buffer")
4987 (gnus-configure-windows 'article)
4988 (select-window (get-buffer-window gnus-article-buffer))))
4990 (defun gnus-summary-universal-argument (arg)
4991 "Perform any operation on all articles that are process/prefixed."
4993 (let ((articles (gnus-summary-work-articles arg))
5000 (substitute-command-keys
5001 "\\<gnus-summary-mode-map>\\[gnus-summary-universal-argument]"
5004 (gnus-error 1 "Undefined key")
5007 (gnus-summary-goto-subject (setq article (pop articles)))
5008 (let (gnus-newsgroup-processable)
5009 (command-execute func))
5010 (gnus-summary-remove-process-mark article)))))
5011 (gnus-summary-position-point))
5013 (defun gnus-summary-toggle-truncation (&optional arg)
5014 "Toggle truncation of summary lines.
5015 With arg, turn line truncation on iff arg is positive."
5017 (setq truncate-lines
5018 (if (null arg) (not truncate-lines)
5019 (> (prefix-numeric-value arg) 0)))
5022 (defun gnus-summary-reselect-current-group (&optional all rescan)
5023 "Exit and then reselect the current newsgroup.
5024 The prefix argument ALL means to select all articles."
5026 (when (gnus-ephemeral-group-p gnus-newsgroup-name)
5027 (error "Ephemeral groups can't be reselected"))
5028 (let ((current-subject (gnus-summary-article-number))
5029 (group gnus-newsgroup-name))
5030 (setq gnus-newsgroup-begin nil)
5032 ;; We have to adjust the point of group mode buffer because
5033 ;; point was moved to the next unread newsgroup by exiting.
5034 (gnus-summary-jump-to-group group)
5037 (gnus-group-get-new-news-this-group 1)))
5038 (gnus-group-read-group all t)
5039 (gnus-summary-goto-subject current-subject nil t)))
5041 (defun gnus-summary-rescan-group (&optional all)
5042 "Exit the newsgroup, ask for new articles, and select the newsgroup."
5044 (gnus-summary-reselect-current-group all t))
5046 (defun gnus-summary-update-info (&optional non-destructive)
5048 (let ((group gnus-newsgroup-name))
5050 (when gnus-newsgroup-kill-headers
5051 (setq gnus-newsgroup-killed
5052 (gnus-compress-sequence
5054 (gnus-set-sorted-intersection
5055 (gnus-uncompress-range gnus-newsgroup-killed)
5056 (setq gnus-newsgroup-unselected
5057 (sort gnus-newsgroup-unselected '<)))
5058 (setq gnus-newsgroup-unreads
5059 (sort gnus-newsgroup-unreads '<)))
5061 (unless (listp (cdr gnus-newsgroup-killed))
5062 (setq gnus-newsgroup-killed (list gnus-newsgroup-killed)))
5063 (let ((headers gnus-newsgroup-headers))
5064 (when (and (not gnus-save-score)
5065 (not non-destructive))
5066 (setq gnus-newsgroup-scored nil))
5067 ;; Set the new ranges of read articles.
5069 (set-buffer gnus-group-buffer)
5070 (gnus-undo-force-boundary))
5071 (gnus-update-read-articles
5072 group (append gnus-newsgroup-unreads gnus-newsgroup-unselected))
5073 ;; Set the current article marks.
5075 ;; Do the cross-ref thing.
5076 (when gnus-use-cross-reference
5077 (gnus-mark-xrefs-as-read group headers gnus-newsgroup-unreads))
5078 ;; Do not switch windows but change the buffer to work.
5079 (set-buffer gnus-group-buffer)
5080 (unless (gnus-ephemeral-group-p group)
5081 (gnus-group-update-group group)))))))
5083 (defun gnus-summary-save-newsrc (&optional force)
5084 "Save the current number of read/marked articles in the dribble buffer.
5085 The dribble buffer will then be saved.
5086 If FORCE (the prefix), also save the .newsrc file(s)."
5088 (gnus-summary-update-info t)
5090 (gnus-save-newsrc-file)
5091 (gnus-dribble-save)))
5093 (defun gnus-summary-exit (&optional temporary)
5094 "Exit reading current newsgroup, and then return to group selection mode.
5095 gnus-exit-group-hook is called with no arguments if that value is non-nil."
5097 (gnus-set-global-variables)
5098 (gnus-kill-save-kill-buffer)
5099 (gnus-async-halt-prefetch)
5100 (let* ((group gnus-newsgroup-name)
5101 (quit-config (gnus-group-quit-config gnus-newsgroup-name))
5104 (buf (current-buffer)))
5105 (gnus-run-hooks 'gnus-summary-prepare-exit-hook)
5106 ;; If we have several article buffers, we kill them at exit.
5107 (unless gnus-single-article-buffer
5108 (gnus-kill-buffer gnus-original-article-buffer)
5109 (setq gnus-article-current nil))
5110 (when gnus-use-cache
5111 (gnus-cache-possibly-remove-articles)
5112 (gnus-cache-save-buffers))
5113 (gnus-async-prefetch-remove-group group)
5114 (when gnus-suppress-duplicates
5115 (gnus-dup-enter-articles))
5116 (when gnus-use-trees
5117 (gnus-tree-close group))
5118 ;; Remove entries for this group.
5119 (nnmail-purge-split-history (gnus-group-real-name group))
5120 ;; Make all changes in this group permanent.
5122 (gnus-run-hooks 'gnus-exit-group-hook)
5123 (gnus-summary-update-info)
5124 ;; Do adaptive scoring, and possibly save score files.
5125 (when gnus-newsgroup-adaptive
5126 (gnus-score-adaptive))
5127 (when gnus-use-scoring
5129 (gnus-close-group group)
5130 ;; Make sure where we were, and go to next newsgroup.
5131 (set-buffer gnus-group-buffer)
5133 (gnus-group-jump-to-group group))
5134 (gnus-run-hooks 'gnus-summary-exit-hook)
5135 (unless (or quit-config
5136 ;; If this group has disappeared from the summary
5137 ;; buffer, don't skip forwards.
5138 (not (string= group (gnus-group-group-name))))
5139 (gnus-group-next-unread-group 1))
5140 (setq group-point (point))
5143 ;; If we have several article buffers, we kill them at exit.
5144 (unless gnus-single-article-buffer
5145 (gnus-kill-buffer gnus-article-buffer)
5146 (gnus-kill-buffer gnus-original-article-buffer)
5147 (setq gnus-article-current nil))
5149 (if (not gnus-kill-summary-on-exit)
5150 (gnus-deaden-summary)
5151 ;; We set all buffer-local variables to nil. It is unclear why
5152 ;; this is needed, but if we don't, buffer-local variables are
5153 ;; not garbage-collected, it seems. This would the lead to en
5154 ;; ever-growing Emacs.
5155 (gnus-summary-clear-local-variables)
5156 (when (get-buffer gnus-article-buffer)
5157 (bury-buffer gnus-article-buffer))
5158 ;; We clear the global counterparts of the buffer-local
5159 ;; variables as well, just to be on the safe side.
5160 (set-buffer gnus-group-buffer)
5161 (gnus-summary-clear-local-variables)
5162 ;; Return to group mode buffer.
5163 (when (eq mode 'gnus-summary-mode)
5164 (gnus-kill-buffer buf)))
5165 (setq gnus-current-select-method gnus-select-method)
5166 (pop-to-buffer gnus-group-buffer)
5167 ;; Clear the current group name.
5168 (if (not quit-config)
5170 (goto-char group-point)
5171 (gnus-configure-windows 'group 'force))
5172 (gnus-handle-ephemeral-exit quit-config))
5174 (setq gnus-newsgroup-name nil)))))
5176 (defalias 'gnus-summary-quit 'gnus-summary-exit-no-update)
5177 (defun gnus-summary-exit-no-update (&optional no-questions)
5178 "Quit reading current newsgroup without updating read article info."
5180 (let* ((group gnus-newsgroup-name)
5181 (quit-config (gnus-group-quit-config group)))
5182 (when (or no-questions
5184 (gnus-y-or-n-p "Discard changes to this group and exit? "))
5185 (gnus-async-halt-prefetch)
5186 ;; If we have several article buffers, we kill them at exit.
5187 (unless gnus-single-article-buffer
5188 (gnus-kill-buffer gnus-article-buffer)
5189 (gnus-kill-buffer gnus-original-article-buffer)
5190 (setq gnus-article-current nil))
5191 (if (not gnus-kill-summary-on-exit)
5192 (gnus-deaden-summary)
5193 (gnus-close-group group)
5194 (gnus-summary-clear-local-variables)
5195 (set-buffer gnus-group-buffer)
5196 (gnus-summary-clear-local-variables)
5197 (when (get-buffer gnus-summary-buffer)
5198 (kill-buffer gnus-summary-buffer)))
5199 (unless gnus-single-article-buffer
5200 (setq gnus-article-current nil))
5201 (when gnus-use-trees
5202 (gnus-tree-close group))
5203 (gnus-async-prefetch-remove-group group)
5204 (when (get-buffer gnus-article-buffer)
5205 (bury-buffer gnus-article-buffer))
5206 ;; Return to the group buffer.
5207 (gnus-configure-windows 'group 'force)
5208 ;; Clear the current group name.
5209 (setq gnus-newsgroup-name nil)
5210 (when (equal (gnus-group-group-name) group)
5211 (gnus-group-next-unread-group 1))
5213 (gnus-handle-ephemeral-exit quit-config)))))
5215 (defun gnus-handle-ephemeral-exit (quit-config)
5216 "Handle movement when leaving an ephemeral group. The state
5217 which existed when entering the ephemeral is reset."
5218 (if (not (buffer-name (car quit-config)))
5219 (gnus-configure-windows 'group 'force)
5220 (set-buffer (car quit-config))
5221 (cond ((eq major-mode 'gnus-summary-mode)
5222 (gnus-set-global-variables))
5223 ((eq major-mode 'gnus-article-mode)
5225 ;; The `gnus-summary-buffer' variable may point
5226 ;; to the old summary buffer when using a single
5228 (unless (gnus-buffer-live-p gnus-summary-buffer)
5229 (set-buffer gnus-group-buffer))
5230 (set-buffer gnus-summary-buffer)
5231 (gnus-set-global-variables))))
5232 (if (or (eq (cdr quit-config) 'article)
5233 (eq (cdr quit-config) 'pick))
5235 ;; The current article may be from the ephemeral group
5236 ;; thus it is best that we reload this article
5237 (gnus-summary-show-article)
5238 (if (and (boundp 'gnus-pick-mode) (symbol-value 'gnus-pick-mode))
5239 (gnus-configure-windows 'pick 'force)
5240 (gnus-configure-windows (cdr quit-config) 'force)))
5241 (gnus-configure-windows (cdr quit-config) 'force))
5242 (when (eq major-mode 'gnus-summary-mode)
5243 (gnus-summary-next-subject 1 nil t)
5244 (gnus-summary-recenter)
5245 (gnus-summary-position-point))))
5247 (defun gnus-summary-preview-mime-message (arg)
5248 "MIME decode and play this message."
5250 (let ((gnus-break-pages nil))
5251 (gnus-summary-select-article t t)
5253 (pop-to-buffer gnus-original-article-buffer t)
5254 (let (buffer-read-only)
5255 (if (text-property-any (point-min) (point-max) 'invisible t)
5256 (remove-text-properties (point-min) (point-max)
5257 gnus-hidden-properties)
5259 (mime-view-mode nil nil nil gnus-original-article-buffer
5260 gnus-article-buffer)
5263 (defun gnus-summary-scroll-down ()
5264 "Scroll down one line current article."
5266 (gnus-summary-scroll-up -1)
5271 (defvar gnus-dead-summary-mode-map nil)
5273 (unless gnus-dead-summary-mode-map
5274 (setq gnus-dead-summary-mode-map (make-keymap))
5275 (suppress-keymap gnus-dead-summary-mode-map)
5276 (substitute-key-definition
5277 'undefined 'gnus-summary-wake-up-the-dead gnus-dead-summary-mode-map)
5278 (let ((keys '("\C-d" "\r" "\177" [delete])))
5280 (define-key gnus-dead-summary-mode-map
5281 (pop keys) 'gnus-summary-wake-up-the-dead))))
5283 (defvar gnus-dead-summary-mode nil
5284 "Minor mode for Gnus summary buffers.")
5286 (defun gnus-dead-summary-mode (&optional arg)
5287 "Minor mode for Gnus summary buffers."
5289 (when (eq major-mode 'gnus-summary-mode)
5290 (make-local-variable 'gnus-dead-summary-mode)
5291 (setq gnus-dead-summary-mode
5292 (if (null arg) (not gnus-dead-summary-mode)
5293 (> (prefix-numeric-value arg) 0)))
5294 (when gnus-dead-summary-mode
5295 (gnus-add-minor-mode
5296 'gnus-dead-summary-mode " Dead" gnus-dead-summary-mode-map))))
5298 (defun gnus-deaden-summary ()
5299 "Make the current summary buffer into a dead summary buffer."
5300 ;; Kill any previous dead summary buffer.
5301 (when (and gnus-dead-summary
5302 (buffer-name gnus-dead-summary))
5304 (set-buffer gnus-dead-summary)
5305 (when gnus-dead-summary-mode
5306 (kill-buffer (current-buffer)))))
5307 ;; Make this the current dead summary.
5308 (setq gnus-dead-summary (current-buffer))
5309 (gnus-dead-summary-mode 1)
5310 (let ((name (buffer-name)))
5311 (when (string-match "Summary" name)
5313 (concat (substring name 0 (match-beginning 0)) "Dead "
5314 (substring name (match-beginning 0)))
5317 (defun gnus-kill-or-deaden-summary (buffer)
5318 "Kill or deaden the summary BUFFER."
5320 (when (and (buffer-name buffer)
5321 (not gnus-single-article-buffer))
5324 (gnus-kill-buffer gnus-article-buffer)
5325 (gnus-kill-buffer gnus-original-article-buffer)))
5326 (cond (gnus-kill-summary-on-exit
5327 (when (and gnus-use-trees
5328 (and (get-buffer buffer)
5329 (buffer-name (get-buffer buffer))))
5331 (set-buffer (get-buffer buffer))
5332 (gnus-tree-close gnus-newsgroup-name)))
5333 (gnus-kill-buffer buffer))
5334 ((and (get-buffer buffer)
5335 (buffer-name (get-buffer buffer)))
5338 (gnus-deaden-summary))))))
5340 (defun gnus-summary-wake-up-the-dead (&rest args)
5341 "Wake up the dead summary buffer."
5343 (gnus-dead-summary-mode -1)
5344 (let ((name (buffer-name)))
5345 (when (string-match "Dead " name)
5347 (concat (substring name 0 (match-beginning 0))
5348 (substring name (match-end 0)))
5350 (gnus-message 3 "This dead summary is now alive again"))
5352 ;; Suggested by Andrew Eskilsson <pi92ae@pt.hk-r.se>.
5353 (defun gnus-summary-fetch-faq (&optional faq-dir)
5354 "Fetch the FAQ for the current group.
5355 If FAQ-DIR (the prefix), prompt for a directory to search for the faq
5359 (when current-prefix-arg
5361 "Faq dir: " (and (listp gnus-group-faq-directory)
5362 (mapcar (lambda (file) (list file))
5363 gnus-group-faq-directory))))))
5364 (let (gnus-faq-buffer)
5365 (when (setq gnus-faq-buffer
5366 (gnus-group-fetch-faq gnus-newsgroup-name faq-dir))
5367 (gnus-configure-windows 'summary-faq))))
5369 ;; Suggested by Per Abrahamsen <amanda@iesd.auc.dk>.
5370 (defun gnus-summary-describe-group (&optional force)
5371 "Describe the current newsgroup."
5373 (gnus-group-describe-group force gnus-newsgroup-name))
5375 (defun gnus-summary-describe-briefly ()
5376 "Describe summary mode commands briefly."
5379 (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")))
5381 ;; Walking around group mode buffer from summary mode.
5383 (defun gnus-summary-next-group (&optional no-article target-group backward)
5384 "Exit current newsgroup and then select next unread newsgroup.
5385 If prefix argument NO-ARTICLE is non-nil, no article is selected
5386 initially. If NEXT-GROUP, go to this group. If BACKWARD, go to
5387 previous group instead."
5389 ;; Stop pre-fetching.
5390 (gnus-async-halt-prefetch)
5391 (let ((current-group gnus-newsgroup-name)
5392 (current-buffer (current-buffer))
5394 ;; First we semi-exit this group to update Xrefs and all variables.
5395 ;; We can't do a real exit, because the window conf must remain
5396 ;; the same in case the user is prompted for info, and we don't
5397 ;; want the window conf to change before that...
5398 (gnus-summary-exit t)
5399 (while (not entered)
5400 ;; Then we find what group we are supposed to enter.
5401 (set-buffer gnus-group-buffer)
5402 (gnus-group-jump-to-group current-group)
5405 (if (eq gnus-keep-same-level 'best)
5406 (gnus-summary-best-group gnus-newsgroup-name)
5407 (gnus-summary-search-group backward gnus-keep-same-level))))
5408 (if (not target-group)
5409 ;; There are no further groups, so we return to the group
5412 (gnus-message 5 "Returning to the group buffer")
5414 (when (gnus-buffer-live-p current-buffer)
5415 (set-buffer current-buffer)
5416 (gnus-summary-exit))
5417 (gnus-run-hooks 'gnus-group-no-more-groups-hook))
5418 ;; We try to enter the target group.
5419 (gnus-group-jump-to-group target-group)
5420 (let ((unreads (gnus-group-group-unread)))
5421 (if (and (or (eq t unreads)
5422 (and unreads (not (zerop unreads))))
5423 (gnus-summary-read-group
5424 target-group nil no-article
5425 (and (buffer-name current-buffer) current-buffer)))
5427 (setq current-group target-group
5428 target-group nil)))))))
5430 (defun gnus-summary-prev-group (&optional no-article)
5431 "Exit current newsgroup and then select previous unread newsgroup.
5432 If prefix argument NO-ARTICLE is non-nil, no article is selected initially."
5434 (gnus-summary-next-group no-article nil t))
5436 ;; Walking around summary lines.
5438 (defun gnus-summary-first-subject (&optional unread)
5439 "Go to the first unread subject.
5440 If UNREAD is non-nil, go to the first unread article.
5441 Returns the article selected or nil if there are no unread articles."
5446 ((null gnus-newsgroup-data)
5447 (gnus-message 3 "No articles in the group")
5449 ;; Pick the first article.
5451 (goto-char (gnus-data-pos (car gnus-newsgroup-data)))
5452 (gnus-data-number (car gnus-newsgroup-data)))
5453 ;; No unread articles.
5454 ((null gnus-newsgroup-unreads)
5455 (gnus-message 3 "No more unread articles")
5457 ;; Find the first unread article.
5459 (let ((data gnus-newsgroup-data))
5461 (not (gnus-data-unread-p (car data))))
5462 (setq data (cdr data)))
5464 (goto-char (gnus-data-pos (car data)))
5465 (gnus-data-number (car data))))))
5466 (gnus-summary-position-point)))
5468 (defun gnus-summary-next-subject (n &optional unread dont-display)
5469 "Go to next N'th summary line.
5470 If N is negative, go to the previous N'th subject line.
5471 If UNREAD is non-nil, only unread articles are selected.
5472 The difference between N and the actual number of steps taken is
5475 (let ((backward (< n 0))
5479 (gnus-summary-find-prev unread)
5480 (gnus-summary-find-next unread)))
5483 (gnus-message 7 "No more%s articles"
5484 (if unread " unread" "")))
5485 (unless dont-display
5486 (gnus-summary-recenter)
5487 (gnus-summary-position-point))
5490 (defun gnus-summary-next-unread-subject (n)
5491 "Go to next N'th unread summary line."
5493 (gnus-summary-next-subject n t))
5495 (defun gnus-summary-prev-subject (n &optional unread)
5496 "Go to previous N'th summary line.
5497 If optional argument UNREAD is non-nil, only unread article is selected."
5499 (gnus-summary-next-subject (- n) unread))
5501 (defun gnus-summary-prev-unread-subject (n)
5502 "Go to previous N'th unread summary line."
5504 (gnus-summary-next-subject (- n) t))
5506 (defun gnus-summary-goto-subject (article &optional force silent)
5507 "Go the subject line of ARTICLE.
5508 If FORCE, also allow jumping to articles not currently shown."
5509 (interactive "nArticle number: ")
5511 (data (gnus-data-find article)))
5512 ;; We read in the article if we have to.
5515 (gnus-summary-insert-subject article (and (vectorp force) force) t)
5516 (setq data (gnus-data-find article)))
5521 (gnus-message 3 "Can't find article %d" article))
5523 (goto-char (gnus-data-pos data))
5526 ;; Walking around summary lines with displaying articles.
5528 (defun gnus-summary-expand-window (&optional arg)
5529 "Make the summary buffer take up the entire Emacs frame.
5530 Given a prefix, will force an `article' buffer configuration."
5533 (gnus-configure-windows 'article 'force)
5534 (gnus-configure-windows 'summary 'force)))
5536 (defun gnus-summary-display-article (article &optional all-header)
5537 "Display ARTICLE in article buffer."
5538 (gnus-set-global-variables)
5542 (if gnus-summary-display-article-function
5543 (funcall gnus-summary-display-article-function article all-header)
5544 (gnus-article-prepare article all-header))
5545 (gnus-run-hooks 'gnus-select-article-hook)
5546 (when (and gnus-current-article
5547 (not (zerop gnus-current-article)))
5548 (gnus-summary-goto-subject gnus-current-article))
5549 (gnus-summary-recenter)
5550 (when (and gnus-use-trees gnus-show-threads)
5551 (gnus-possibly-generate-tree article)
5552 (gnus-highlight-selected-tree article))
5553 ;; Successfully display article.
5554 (gnus-article-set-window-start
5555 (cdr (assq article gnus-newsgroup-bookmarks))))))
5557 (defun gnus-summary-select-article (&optional all-headers force pseudo article)
5558 "Select the current article.
5559 If ALL-HEADERS is non-nil, show all header fields. If FORCE is
5560 non-nil, the article will be re-fetched even if it already present in
5561 the article buffer. If PSEUDO is non-nil, pseudo-articles will also
5563 ;; Make sure we are in the summary buffer to work around bbdb bug.
5564 (unless (eq major-mode 'gnus-summary-mode)
5565 (set-buffer gnus-summary-buffer))
5566 (let ((article (or article (gnus-summary-article-number)))
5567 (all-headers (not (not all-headers))) ;Must be T or NIL.
5568 gnus-summary-display-article-function
5571 (gnus-summary-article-pseudo-p article)
5572 (error "This is a pseudo-article"))
5575 (set-buffer gnus-summary-buffer)
5576 (if (or (and gnus-single-article-buffer
5577 (or (null gnus-current-article)
5578 (null gnus-article-current)
5579 (null (get-buffer gnus-article-buffer))
5580 (not (eq article (cdr gnus-article-current)))
5581 (not (equal (car gnus-article-current)
5582 gnus-newsgroup-name))))
5583 (and (not gnus-single-article-buffer)
5584 (or (null gnus-current-article)
5585 (not (eq gnus-current-article article))))
5587 ;; The requested article is different from the current article.
5589 (gnus-summary-display-article article all-headers)
5591 (when (or all-headers gnus-show-all-headers)
5592 (gnus-article-show-all-headers))
5595 (gnus-article-set-window-start
5596 (cdr (assq article gnus-newsgroup-bookmarks)))))))
5598 (defun gnus-summary-set-current-mark (&optional current-mark)
5599 "Obsolete function."
5602 (defun gnus-summary-next-article (&optional unread subject backward push)
5603 "Select the next article.
5604 If UNREAD, only unread articles are selected.
5605 If SUBJECT, only articles with SUBJECT are selected.
5606 If BACKWARD, the previous article is selected instead of the next."
5609 ;; Is there such an article?
5610 ((and (gnus-summary-search-forward unread subject backward)
5611 (or (gnus-summary-display-article (gnus-summary-article-number))
5612 (eq (gnus-summary-article-mark) gnus-canceled-mark)))
5613 (gnus-summary-position-point))
5614 ;; If not, we try the first unread, if that is wanted.
5616 gnus-auto-select-same
5617 (gnus-summary-first-unread-article))
5618 (gnus-summary-position-point)
5619 (gnus-message 6 "Wrapped"))
5620 ;; Try to get next/previous article not displayed in this group.
5621 ((and gnus-auto-extend-newsgroup
5622 (not unread) (not subject))
5623 (gnus-summary-goto-article
5624 (if backward (1- gnus-newsgroup-begin) (1+ gnus-newsgroup-end))
5626 ;; Go to next/previous group.
5628 (unless (gnus-ephemeral-group-p gnus-newsgroup-name)
5629 (gnus-summary-jump-to-group gnus-newsgroup-name))
5630 (let ((cmd last-command-char)
5633 (set-buffer gnus-group-buffer)
5636 (if (eq gnus-keep-same-level 'best)
5637 (gnus-summary-best-group gnus-newsgroup-name)
5638 (gnus-summary-search-group backward gnus-keep-same-level))))
5639 ;; For some reason, the group window gets selected. We change
5641 (select-window (get-buffer-window (current-buffer)))
5642 ;; Select next unread newsgroup automagically.
5644 ((or (not gnus-auto-select-next)
5646 (gnus-message 7 "No more%s articles" (if unread " unread" "")))
5647 ((or (eq gnus-auto-select-next 'quietly)
5648 (and (eq gnus-auto-select-next 'slightly-quietly)
5650 (and (eq gnus-auto-select-next 'almost-quietly)
5651 (gnus-summary-last-article-p)))
5653 (if (gnus-ephemeral-group-p gnus-newsgroup-name)
5655 (gnus-message 7 "No more%s articles (%s)..."
5656 (if unread " unread" "")
5657 (if group (concat "selecting " group)
5659 (gnus-summary-next-group nil group backward)))
5661 (when (gnus-key-press-event-p last-input-event)
5662 (gnus-summary-walk-group-buffer
5663 gnus-newsgroup-name cmd unread backward point))))))))
5665 (defun gnus-summary-walk-group-buffer (from-group cmd unread backward start)
5666 (let ((keystrokes '((?\C-n (gnus-group-next-unread-group 1))
5667 (?\C-p (gnus-group-prev-unread-group 1))))
5668 (cursor-in-echo-area t)
5669 keve key group ended)
5671 (set-buffer gnus-group-buffer)
5674 (if (eq gnus-keep-same-level 'best)
5675 (gnus-summary-best-group gnus-newsgroup-name)
5676 (gnus-summary-search-group backward gnus-keep-same-level))))
5679 5 "No more%s articles%s" (if unread " unread" "")
5681 (not (gnus-ephemeral-group-p gnus-newsgroup-name)))
5682 (format " (Type %s for %s [%s])"
5683 (single-key-description cmd) group
5684 (car (gnus-gethash group gnus-newsrc-hashtb)))
5685 (format " (Type %s to exit %s)"
5686 (single-key-description cmd)
5687 gnus-newsgroup-name)))
5688 ;; Confirm auto selection.
5689 (setq key (car (setq keve (gnus-read-event-char))))
5692 ((assq key keystrokes)
5693 (let ((obuf (current-buffer)))
5694 (switch-to-buffer gnus-group-buffer)
5696 (gnus-group-jump-to-group group))
5697 (eval (cadr (assq key keystrokes)))
5698 (setq group (gnus-group-group-name))
5699 (switch-to-buffer obuf))
5703 (gnus-ephemeral-group-p gnus-newsgroup-name))
5705 (gnus-summary-next-group nil group backward)))
5707 (push (cdr keve) unread-command-events))))))
5709 (defun gnus-summary-next-unread-article ()
5710 "Select unread article after current one."
5712 (gnus-summary-next-article
5713 (or (not (eq gnus-summary-goto-unread 'never))
5714 (gnus-summary-last-article-p (gnus-summary-article-number)))
5715 (and gnus-auto-select-same
5716 (gnus-summary-article-subject))))
5718 (defun gnus-summary-prev-article (&optional unread subject)
5719 "Select the article after the current one.
5720 If UNREAD is non-nil, only unread articles are selected."
5722 (gnus-summary-next-article unread subject t))
5724 (defun gnus-summary-prev-unread-article ()
5725 "Select unread article before current one."
5727 (gnus-summary-prev-article
5728 (or (not (eq gnus-summary-goto-unread 'never))
5729 (gnus-summary-first-article-p (gnus-summary-article-number)))
5730 (and gnus-auto-select-same
5731 (gnus-summary-article-subject))))
5733 (defun gnus-summary-next-page (&optional lines circular)
5734 "Show next page of the selected article.
5735 If at the end of the current article, select the next article.
5736 LINES says how many lines should be scrolled up.
5738 If CIRCULAR is non-nil, go to the start of the article instead of
5739 selecting the next article when reaching the end of the current
5742 (setq gnus-summary-buffer (current-buffer))
5743 (gnus-set-global-variables)
5744 (let ((article (gnus-summary-article-number))
5745 (article-window (get-buffer-window gnus-article-buffer t))
5747 (gnus-configure-windows 'article)
5748 (if (eq (cdr (assq article gnus-newsgroup-reads)) gnus-canceled-mark)
5749 (if (and (eq gnus-summary-goto-unread 'never)
5750 (not (gnus-summary-last-article-p article)))
5751 (gnus-summary-next-article)
5752 (gnus-summary-next-unread-article))
5753 (if (or (null gnus-current-article)
5754 (null gnus-article-current)
5755 (/= article (cdr gnus-article-current))
5756 (not (equal (car gnus-article-current) gnus-newsgroup-name)))
5757 ;; Selected subject is different from current article's.
5758 (gnus-summary-display-article article)
5759 (when article-window
5760 (gnus-eval-in-buffer-window gnus-article-buffer
5761 (setq endp (gnus-article-next-page lines)))
5764 (gnus-summary-beginning-of-article))
5766 (gnus-message 3 "End of message"))
5768 (if (and (eq gnus-summary-goto-unread 'never)
5769 (not (gnus-summary-last-article-p article)))
5770 (gnus-summary-next-article)
5771 (gnus-summary-next-unread-article))))))))
5772 (gnus-summary-recenter)
5773 (gnus-summary-position-point)))
5775 (defun gnus-summary-prev-page (&optional lines move)
5776 "Show previous page of selected article.
5777 Argument LINES specifies lines to be scrolled down.
5778 If MOVE, move to the previous unread article if point is at
5779 the beginning of the buffer."
5781 (let ((article (gnus-summary-article-number))
5782 (article-window (get-buffer-window gnus-article-buffer t))
5784 (gnus-configure-windows 'article)
5785 (if (or (null gnus-current-article)
5786 (null gnus-article-current)
5787 (/= article (cdr gnus-article-current))
5788 (not (equal (car gnus-article-current) gnus-newsgroup-name)))
5789 ;; Selected subject is different from current article's.
5790 (gnus-summary-display-article article)
5791 (gnus-summary-recenter)
5792 (when article-window
5793 (gnus-eval-in-buffer-window gnus-article-buffer
5794 (setq endp (gnus-article-prev-page lines)))
5795 (when (and move endp)
5797 (gnus-message 3 "Beginning of message"))
5799 (if (and (eq gnus-summary-goto-unread 'never)
5800 (not (gnus-summary-first-article-p article)))
5801 (gnus-summary-prev-article)
5802 (gnus-summary-prev-unread-article))))))))
5803 (gnus-summary-position-point))
5805 (defun gnus-summary-prev-page-or-article (&optional lines)
5806 "Show previous page of selected article.
5807 Argument LINES specifies lines to be scrolled down.
5808 If at the beginning of the article, go to the next article."
5810 (gnus-summary-prev-page lines t))
5812 (defun gnus-summary-scroll-up (lines)
5813 "Scroll up (or down) one line current article.
5814 Argument LINES specifies lines to be scrolled up (or down if negative)."
5816 (gnus-configure-windows 'article)
5817 (gnus-summary-show-thread)
5818 (when (eq (gnus-summary-select-article nil nil 'pseudo) 'old)
5819 (gnus-eval-in-buffer-window gnus-article-buffer
5821 (when (gnus-article-next-page lines)
5822 (gnus-message 3 "End of message")))
5824 (gnus-article-prev-page (- lines))))))
5825 (gnus-summary-recenter)
5826 (gnus-summary-position-point))
5828 (defun gnus-summary-next-same-subject ()
5829 "Select next article which has the same subject as current one."
5831 (gnus-summary-next-article nil (gnus-summary-article-subject)))
5833 (defun gnus-summary-prev-same-subject ()
5834 "Select previous article which has the same subject as current one."
5836 (gnus-summary-prev-article nil (gnus-summary-article-subject)))
5838 (defun gnus-summary-next-unread-same-subject ()
5839 "Select next unread article which has the same subject as current one."
5841 (gnus-summary-next-article t (gnus-summary-article-subject)))
5843 (defun gnus-summary-prev-unread-same-subject ()
5844 "Select previous unread article which has the same subject as current one."
5846 (gnus-summary-prev-article t (gnus-summary-article-subject)))
5848 (defun gnus-summary-first-unread-article ()
5849 "Select the first unread article.
5850 Return nil if there are no unread articles."
5853 (when (gnus-summary-first-subject t)
5854 (gnus-summary-show-thread)
5855 (gnus-summary-first-subject t)
5856 (gnus-summary-display-article (gnus-summary-article-number)))
5857 (gnus-summary-position-point)))
5859 (defun gnus-summary-first-article ()
5860 "Select the first article.
5861 Return nil if there are no articles."
5864 (when (gnus-summary-first-subject)
5865 (gnus-summary-show-thread)
5866 (gnus-summary-first-subject)
5867 (gnus-summary-display-article (gnus-summary-article-number)))
5868 (gnus-summary-position-point)))
5870 (defun gnus-summary-best-unread-article ()
5871 "Select the unread article with the highest score."
5873 (let ((best -1000000)
5874 (data gnus-newsgroup-data)
5877 (and (gnus-data-unread-p (car data))
5879 (gnus-summary-article-score (gnus-data-number (car data))))
5882 article (gnus-data-number (car data))))
5883 (setq data (cdr data)))
5886 (gnus-summary-goto-article article)
5887 (error "No unread articles"))
5888 (gnus-summary-position-point))))
5890 (defun gnus-summary-last-subject ()
5891 "Go to the last displayed subject line in the group."
5892 (let ((article (gnus-data-number (car (gnus-data-list t)))))
5894 (gnus-summary-goto-subject article))))
5896 (defun gnus-summary-goto-article (article &optional all-headers force)
5897 "Fetch ARTICLE (article number or Message-ID) and display it if it exists.
5898 If ALL-HEADERS is non-nil, no header lines are hidden."
5902 "Article number or Message-ID: "
5903 (mapcar (lambda (number) (list (int-to-string number)))
5904 gnus-newsgroup-limit))
5908 (if (and (stringp article)
5909 (string-match "@" article))
5910 (gnus-summary-refer-article article)
5911 (when (stringp article)
5912 (setq article (string-to-number article)))
5913 (if (gnus-summary-goto-subject article force)
5914 (gnus-summary-display-article article all-headers)
5915 (gnus-message 4 "Couldn't go to article %s" article) nil))
5916 (gnus-summary-position-point)))
5918 (defun gnus-summary-goto-last-article ()
5919 "Go to the previously read article."
5922 (when gnus-last-article
5923 (gnus-summary-goto-article gnus-last-article nil t))
5924 (gnus-summary-position-point)))
5926 (defun gnus-summary-pop-article (number)
5927 "Pop one article off the history and go to the previous.
5928 NUMBER articles will be popped off."
5931 (setq gnus-newsgroup-history
5932 (cdr (setq to (nthcdr number gnus-newsgroup-history))))
5934 (gnus-summary-goto-article (car to) nil t)
5935 (error "Article history empty")))
5936 (gnus-summary-position-point))
5938 ;; Summary commands and functions for limiting the summary buffer.
5940 (defun gnus-summary-limit-to-articles (n)
5941 "Limit the summary buffer to the next N articles.
5942 If not given a prefix, use the process marked articles instead."
5945 (let ((articles (gnus-summary-work-articles n)))
5946 (setq gnus-newsgroup-processable nil)
5947 (gnus-summary-limit articles))
5948 (gnus-summary-position-point)))
5950 (defun gnus-summary-pop-limit (&optional total)
5951 "Restore the previous limit.
5952 If given a prefix, remove all limits."
5955 (setq gnus-newsgroup-limits
5956 (list (mapcar (lambda (h) (mail-header-number h))
5957 gnus-newsgroup-headers))))
5958 (unless gnus-newsgroup-limits
5959 (error "No limit to pop"))
5961 (gnus-summary-limit nil 'pop)
5962 (gnus-summary-position-point)))
5964 (defun gnus-summary-limit-to-subject (subject &optional header)
5965 "Limit the summary buffer to articles that have subjects that match a regexp."
5966 (interactive "sLimit to subject (regexp): ")
5968 (setq header "subject"))
5969 (when (not (equal "" subject))
5971 (let ((articles (gnus-summary-find-matching
5972 (or header "subject") subject 'all)))
5974 (error "Found no matches for \"%s\"" subject))
5975 (gnus-summary-limit articles))
5976 (gnus-summary-position-point))))
5978 (defun gnus-summary-limit-to-author (from)
5979 "Limit the summary buffer to articles that have authors that match a regexp."
5980 (interactive "sLimit to author (regexp): ")
5981 (gnus-summary-limit-to-subject from "from"))
5983 (defun gnus-summary-limit-to-age (age &optional younger-p)
5984 "Limit the summary buffer to articles that are older than (or equal) AGE days.
5985 If YOUNGER-P (the prefix) is non-nil, limit the summary buffer to
5986 articles that are younger than AGE days."
5987 (interactive "nTime in days: \nP")
5989 (let ((data gnus-newsgroup-data)
5990 (cutoff (nnmail-days-to-time age))
5991 articles d date is-younger)
5992 (while (setq d (pop data))
5993 (when (and (vectorp (gnus-data-header d))
5994 (setq date (mail-header-date (gnus-data-header d))))
5995 (setq is-younger (nnmail-time-less
5996 (nnmail-time-since (nnmail-date-to-time date))
5998 (when (if younger-p is-younger (not is-younger))
5999 (push (gnus-data-number d) articles))))
6000 (gnus-summary-limit (nreverse articles)))
6001 (gnus-summary-position-point)))
6003 (defalias 'gnus-summary-delete-marked-as-read 'gnus-summary-limit-to-unread)
6005 'gnus-summary-delete-marked-as-read 'gnus-summary-limit-to-unread)
6007 (defun gnus-summary-limit-to-unread (&optional all)
6008 "Limit the summary buffer to articles that are not marked as read.
6009 If ALL is non-nil, limit strictly to unread articles."
6012 (gnus-summary-limit-to-marks (char-to-string gnus-unread-mark))
6013 (gnus-summary-limit-to-marks
6014 ;; Concat all the marks that say that an article is read and have
6016 (list gnus-del-mark gnus-read-mark gnus-ancient-mark
6017 gnus-killed-mark gnus-kill-file-mark
6018 gnus-low-score-mark gnus-expirable-mark
6019 gnus-canceled-mark gnus-catchup-mark gnus-sparse-mark
6020 gnus-duplicate-mark gnus-souped-mark)
6023 (defalias 'gnus-summary-delete-marked-with 'gnus-summary-limit-exclude-marks)
6024 (make-obsolete 'gnus-summary-delete-marked-with
6025 'gnus-summary-limit-exlude-marks)
6027 (defun gnus-summary-limit-exclude-marks (marks &optional reverse)
6028 "Exclude articles that are marked with MARKS (e.g. \"DK\").
6029 If REVERSE, limit the summary buffer to articles that are marked
6030 with MARKS. MARKS can either be a string of marks or a list of marks.
6031 Returns how many articles were removed."
6032 (interactive "sMarks: ")
6033 (gnus-summary-limit-to-marks marks t))
6035 (defun gnus-summary-limit-to-marks (marks &optional reverse)
6036 "Limit the summary buffer to articles that are marked with MARKS (e.g. \"DK\").
6037 If REVERSE (the prefix), limit the summary buffer to articles that are
6038 not marked with MARKS. MARKS can either be a string of marks or a
6040 Returns how many articles were removed."
6041 (interactive "sMarks: \nP")
6043 (let ((data gnus-newsgroup-data)
6044 (marks (if (listp marks) marks
6045 (append marks nil))) ; Transform to list.
6048 (when (if reverse (not (memq (gnus-data-mark (car data)) marks))
6049 (memq (gnus-data-mark (car data)) marks))
6050 (push (gnus-data-number (car data)) articles))
6051 (setq data (cdr data)))
6052 (gnus-summary-limit articles))
6053 (gnus-summary-position-point)))
6055 (defun gnus-summary-limit-to-score (&optional score)
6056 "Limit to articles with score at or above SCORE."
6058 (setq score (if score
6059 (prefix-numeric-value score)
6060 (or gnus-summary-default-score 0)))
6061 (let ((data gnus-newsgroup-data)
6064 (when (>= (gnus-summary-article-score (gnus-data-number (car data)))
6066 (push (gnus-data-number (car data)) articles))
6067 (setq data (cdr data)))
6069 (gnus-summary-limit articles)
6070 (gnus-summary-position-point))))
6072 (defun gnus-summary-limit-include-thread (id)
6073 "Display all the hidden articles that in the current thread."
6074 (interactive (list (mail-header-id (gnus-summary-article-header))))
6075 (let ((articles (gnus-articles-in-thread
6076 (gnus-id-to-thread (gnus-root-id id)))))
6078 (gnus-summary-limit (nconc articles gnus-newsgroup-limit))
6079 (gnus-summary-position-point))))
6081 (defun gnus-summary-limit-include-dormant ()
6082 "Display all the hidden articles that are marked as dormant.
6083 Note that this command only works on a subset of the articles currently
6084 fetched for this group."
6086 (unless gnus-newsgroup-dormant
6087 (error "There are no dormant articles in this group"))
6089 (gnus-summary-limit (append gnus-newsgroup-dormant gnus-newsgroup-limit))
6090 (gnus-summary-position-point)))
6092 (defun gnus-summary-limit-exclude-dormant ()
6093 "Hide all dormant articles."
6096 (gnus-summary-limit-to-marks (list gnus-dormant-mark) 'reverse)
6097 (gnus-summary-position-point)))
6099 (defun gnus-summary-limit-exclude-childless-dormant ()
6100 "Hide all dormant articles that have no children."
6102 (let ((data (gnus-data-list t))
6103 articles d children)
6104 ;; Find all articles that are either not dormant or have
6106 (while (setq d (pop data))
6107 (when (or (not (= (gnus-data-mark d) gnus-dormant-mark))
6109 (gnus-article-children (gnus-data-number d)))
6112 (when (memq (car children) articles)
6117 (push (gnus-data-number d) articles)))
6120 (gnus-summary-limit articles)
6121 (gnus-summary-position-point))))
6123 (defun gnus-summary-limit-mark-excluded-as-read (&optional all)
6124 "Mark all unread excluded articles as read.
6125 If ALL, mark even excluded ticked and dormants as read."
6127 (let ((articles (gnus-sorted-complement
6129 (mapcar (lambda (h) (mail-header-number h))
6130 gnus-newsgroup-headers)
6132 (sort gnus-newsgroup-limit '<)))
6134 (setq gnus-newsgroup-unreads gnus-newsgroup-limit)
6136 (setq gnus-newsgroup-dormant nil
6137 gnus-newsgroup-marked nil
6138 gnus-newsgroup-reads
6140 (mapcar (lambda (n) (cons n gnus-catchup-mark)) articles)
6141 gnus-newsgroup-reads))
6142 (while (setq article (pop articles))
6143 (unless (or (memq article gnus-newsgroup-dormant)
6144 (memq article gnus-newsgroup-marked))
6145 (push (cons article gnus-catchup-mark) gnus-newsgroup-reads))))))
6147 (defun gnus-summary-limit (articles &optional pop)
6149 ;; We pop the previous limit off the stack and use that.
6150 (setq articles (car gnus-newsgroup-limits)
6151 gnus-newsgroup-limits (cdr gnus-newsgroup-limits))
6152 ;; We use the new limit, so we push the old limit on the stack.
6153 (push gnus-newsgroup-limit gnus-newsgroup-limits))
6155 (setq gnus-newsgroup-limit articles)
6156 (let ((total (length gnus-newsgroup-data))
6157 (data (gnus-data-find-list (gnus-summary-article-number)))
6158 (gnus-summary-mark-below nil) ; Inhibit this.
6160 ;; This will do all the work of generating the new summary buffer
6161 ;; according to the new limit.
6162 (gnus-summary-prepare)
6163 ;; Hide any threads, possibly.
6164 (and gnus-show-threads
6165 gnus-thread-hide-subtree
6166 (gnus-summary-hide-all-threads))
6167 ;; Try to return to the article you were at, or one in the
6170 ;; We try to find some article after the current one.
6172 (when (gnus-summary-goto-subject (gnus-data-number (car data)) nil t)
6175 (setq data (cdr data))))
6177 ;; If there is no data, that means that we were after the last
6178 ;; article. The same goes when we can't find any articles
6179 ;; after the current one.
6180 (goto-char (point-max))
6181 (gnus-summary-find-prev))
6182 ;; We return how many articles were removed from the summary
6183 ;; buffer as a result of the new limit.
6184 (- total (length gnus-newsgroup-data))))
6186 (defsubst gnus-invisible-cut-children (threads)
6189 (when (memq (mail-header-number (caar threads)) gnus-newsgroup-limit)
6194 (defsubst gnus-cut-thread (thread)
6195 "Go forwards in the thread until we find an article that we want to display."
6196 (when (or (eq gnus-fetch-old-headers 'some)
6197 (eq gnus-fetch-old-headers 'invisible)
6198 (eq gnus-build-sparse-threads 'some)
6199 (eq gnus-build-sparse-threads 'more))
6200 ;; Deal with old-fetched headers and sparse threads.
6204 (gnus-summary-article-sparse-p (mail-header-number (car thread)))
6205 (gnus-summary-article-ancient-p
6206 (mail-header-number (car thread))))
6207 (if (or (<= (length (cdr thread)) 1)
6208 (eq gnus-fetch-old-headers 'invisible))
6209 (setq gnus-newsgroup-limit
6210 (delq (mail-header-number (car thread))
6211 gnus-newsgroup-limit)
6212 thread (cadr thread))
6213 (when (gnus-invisible-cut-children (cdr thread))
6214 (let ((th (cdr thread)))
6216 (if (memq (mail-header-number (caar th))
6217 gnus-newsgroup-limit)
6218 (setq thread (car th)
6220 (setq th (cdr th))))))))))
6223 (defun gnus-cut-threads (threads)
6224 "Cut off all uninteresting articles from the beginning of threads."
6225 (when (or (eq gnus-fetch-old-headers 'some)
6226 (eq gnus-fetch-old-headers 'invisible)
6227 (eq gnus-build-sparse-threads 'some)
6228 (eq gnus-build-sparse-threads 'more))
6231 (setcar th (gnus-cut-thread (car th)))
6232 (setq th (cdr th)))))
6233 ;; Remove nixed out threads.
6236 (defun gnus-summary-initial-limit (&optional show-if-empty)
6237 "Figure out what the initial limit is supposed to be on group entry.
6238 This entails weeding out unwanted dormants, low-scored articles,
6239 fetch-old-headers verbiage, and so on."
6240 ;; Most groups have nothing to remove.
6241 (if (or gnus-inhibit-limiting
6242 (and (null gnus-newsgroup-dormant)
6243 (not (eq gnus-fetch-old-headers 'some))
6244 (not (eq gnus-fetch-old-headers 'invisible))
6245 (null gnus-summary-expunge-below)
6246 (not (eq gnus-build-sparse-threads 'some))
6247 (not (eq gnus-build-sparse-threads 'more))
6248 (null gnus-thread-expunge-below)
6249 (not gnus-use-nocem)))
6251 (push gnus-newsgroup-limit gnus-newsgroup-limits)
6252 (setq gnus-newsgroup-limit nil)
6255 (unless (car (symbol-value node))
6256 ;; These threads have no parents -- they are roots.
6257 (let ((nodes (cdr (symbol-value node)))
6260 (if (and gnus-thread-expunge-below
6261 (< (gnus-thread-total-score (car nodes))
6262 gnus-thread-expunge-below))
6263 (gnus-expunge-thread (pop nodes))
6264 (setq thread (pop nodes))
6265 (gnus-summary-limit-children thread))))))
6266 gnus-newsgroup-dependencies)
6267 ;; If this limitation resulted in an empty group, we might
6268 ;; pop the previous limit and use it instead.
6269 (when (and (not gnus-newsgroup-limit)
6271 (setq gnus-newsgroup-limit (pop gnus-newsgroup-limits)))
6272 gnus-newsgroup-limit))
6274 (defun gnus-summary-limit-children (thread)
6275 "Return 1 if this subthread is visible and 0 if it is not."
6276 ;; First we get the number of visible children to this thread. This
6277 ;; is done by recursing down the thread using this function, so this
6278 ;; will really go down to a leaf article first, before slowly
6279 ;; working its way up towards the root.
6283 (apply '+ (mapcar 'gnus-summary-limit-children
6286 (number (mail-header-number (car thread)))
6289 (not (memq number gnus-newsgroup-marked))
6291 ;; If this article is dormant and has absolutely no visible
6292 ;; children, then this article isn't visible.
6293 (and (memq number gnus-newsgroup-dormant)
6295 ;; If this is "fetch-old-headered" and there is no
6296 ;; visible children, then we don't want this article.
6297 (and (eq gnus-fetch-old-headers 'some)
6298 (gnus-summary-article-ancient-p number)
6300 ;; If this is "fetch-old-headered" and `invisible', then
6301 ;; we don't want this article.
6302 (and (eq gnus-fetch-old-headers 'invisible)
6303 (gnus-summary-article-ancient-p number))
6304 ;; If this is a sparsely inserted article with no children,
6305 ;; we don't want it.
6306 (and (eq gnus-build-sparse-threads 'some)
6307 (gnus-summary-article-sparse-p number)
6309 ;; If we use expunging, and this article is really
6310 ;; low-scored, then we don't want this article.
6311 (when (and gnus-summary-expunge-below
6313 (or (cdr (assq number gnus-newsgroup-scored))
6314 gnus-summary-default-score))
6315 gnus-summary-expunge-below))
6316 ;; We increase the expunge-tally here, but that has
6317 ;; nothing to do with the limits, really.
6318 (incf gnus-newsgroup-expunged-tally)
6319 ;; We also mark as read here, if that's wanted.
6320 (when (and gnus-summary-mark-below
6321 (< score gnus-summary-mark-below))
6322 (setq gnus-newsgroup-unreads
6323 (delq number gnus-newsgroup-unreads))
6324 (if gnus-newsgroup-auto-expire
6325 (push number gnus-newsgroup-expirable)
6326 (push (cons number gnus-low-score-mark)
6327 gnus-newsgroup-reads)))
6329 ;; Check NoCeM things.
6330 (if (and gnus-use-nocem
6331 (gnus-nocem-unwanted-article-p
6332 (mail-header-id (car thread))))
6334 (setq gnus-newsgroup-unreads
6335 (delq number gnus-newsgroup-unreads))
6337 ;; Nope, invisible article.
6339 ;; Ok, this article is to be visible, so we add it to the limit
6341 (push number gnus-newsgroup-limit)
6344 (defun gnus-expunge-thread (thread)
6345 "Mark all articles in THREAD as read."
6346 (let* ((number (mail-header-number (car thread))))
6347 (incf gnus-newsgroup-expunged-tally)
6348 ;; We also mark as read here, if that's wanted.
6349 (setq gnus-newsgroup-unreads
6350 (delq number gnus-newsgroup-unreads))
6351 (if gnus-newsgroup-auto-expire
6352 (push number gnus-newsgroup-expirable)
6353 (push (cons number gnus-low-score-mark)
6354 gnus-newsgroup-reads)))
6355 ;; Go recursively through all subthreads.
6356 (mapcar 'gnus-expunge-thread (cdr thread)))
6358 ;; Summary article oriented commands
6360 (defun gnus-summary-refer-parent-article (n)
6361 "Refer parent article N times.
6362 If N is negative, go to ancestor -N instead.
6363 The difference between N and the number of articles fetched is returned."
6367 (when (not (natnump n))
6372 (setq header (gnus-summary-article-header))
6373 (if (and (eq (mail-header-number header)
6374 (cdr gnus-article-current))
6375 (equal gnus-newsgroup-name
6376 (car gnus-article-current)))
6377 ;; If we try to find the parent of the currently
6378 ;; displayed article, then we take a look at the actual
6379 ;; References header, since this is slightly more
6380 ;; reliable than the References field we got from the
6383 (set-buffer gnus-original-article-buffer)
6384 (nnheader-narrow-to-headers)
6385 (unless (setq ref (message-fetch-field "references"))
6386 (setq ref (message-fetch-field "in-reply-to")))
6389 ;; It's not the current article, so we take a bet on
6390 ;; the value we got from the server.
6391 (mail-header-references header)))
6393 (not (equal ref "")))
6394 (unless (gnus-summary-refer-article (gnus-parent-id ref skip))
6395 (gnus-message 1 "Couldn't find parent"))
6396 (gnus-message 1 "No references in article %d"
6397 (gnus-summary-article-number))
6400 (gnus-summary-position-point)
6403 (defun gnus-summary-refer-references ()
6404 "Fetch all articles mentioned in the References header.
6405 Return the number of articles fetched."
6407 (let ((ref (mail-header-references (gnus-summary-article-header)))
6408 (current (gnus-summary-article-number))
6412 (error "No References in the current article")
6413 ;; For each Message-ID in the References header...
6414 (while (string-match "<[^>]*>" ref)
6416 ;; ... fetch that article.
6417 (gnus-summary-refer-article
6418 (prog1 (match-string 0 ref)
6419 (setq ref (substring ref (match-end 0))))))
6420 (gnus-summary-goto-subject current)
6421 (gnus-summary-position-point)
6424 (defun gnus-summary-refer-thread (&optional limit)
6425 "Fetch all articles in the current thread.
6426 If LIMIT (the numerical prefix), fetch that many old headers instead
6427 of what's specified by the `gnus-refer-thread-limit' variable."
6429 (let ((id (mail-header-id (gnus-summary-article-header)))
6430 (limit (if limit (prefix-numeric-value limit)
6431 gnus-refer-thread-limit))
6433 ;; We want to fetch LIMIT *old* headers, but we also have to
6434 ;; re-fetch all the headers in the current buffer, because many of
6435 ;; them may be undisplayed. So we adjust LIMIT.
6436 (when (numberp limit)
6437 (incf limit (- gnus-newsgroup-end gnus-newsgroup-begin)))
6438 (unless (eq gnus-fetch-old-headers 'invisible)
6439 (gnus-message 5 "Fetching headers for %s..." gnus-newsgroup-name)
6440 ;; Retrieve the headers and read them in.
6441 (if (eq (gnus-retrieve-headers
6442 (list gnus-newsgroup-end) gnus-newsgroup-name limit)
6444 (gnus-build-all-threads)
6445 (error "Can't fetch thread from backends that don't support NOV"))
6446 (gnus-message 5 "Fetching headers for %s...done" gnus-newsgroup-name))
6447 (gnus-summary-limit-include-thread id)))
6449 (defun gnus-summary-refer-article (message-id &optional arg)
6450 "Fetch an article specified by MESSAGE-ID.
6451 If ARG (the prefix), fetch the article using `gnus-refer-article-method'
6452 or `gnus-select-method', no matter what backend the article comes from."
6453 (interactive "sMessage-ID: \nP")
6454 (when (and (stringp message-id)
6455 (not (zerop (length message-id))))
6456 ;; Construct the correct Message-ID if necessary.
6457 ;; Suggested by tale@pawl.rpi.edu.
6458 (unless (string-match "^<" message-id)
6459 (setq message-id (concat "<" message-id)))
6460 (unless (string-match ">$" message-id)
6461 (setq message-id (concat message-id ">")))
6462 (let* ((header (gnus-id-to-header message-id))
6464 (gnus-summary-article-sparse-p
6465 (mail-header-number header))
6466 (memq (mail-header-number header)
6467 gnus-newsgroup-limit)))
6470 ;; If the article is present in the buffer we just go to it.
6472 (or (not (gnus-summary-article-sparse-p
6473 (mail-header-number header)))
6476 (gnus-summary-goto-article
6477 (mail-header-number header) nil t)
6479 (gnus-summary-update-article (mail-header-number header)))))
6481 ;; We fetch the article
6482 (let ((gnus-override-method
6483 (cond ((gnus-news-group-p gnus-newsgroup-name)
6484 gnus-refer-article-method)
6486 (or gnus-refer-article-method gnus-select-method))
6489 ;; Start the special refer-article method, if necessary.
6490 (when (and gnus-refer-article-method
6491 (gnus-news-group-p gnus-newsgroup-name))
6492 (gnus-check-server gnus-refer-article-method))
6493 ;; Fetch the header, and display the article.
6494 (if (setq number (gnus-summary-insert-subject message-id))
6495 (gnus-summary-select-article nil nil nil number)
6496 (gnus-message 3 "Couldn't fetch article %s" message-id))))))))
6498 (defun gnus-summary-edit-parameters ()
6499 "Edit the group parameters of the current group."
6500 (gnus-group-edit-group gnus-newsgroup-name 'params))
6502 (defun gnus-summary-enter-digest-group (&optional force)
6503 "Enter an nndoc group based on the current article.
6504 If FORCE, force a digest interpretation. If not, try
6505 to guess what the document format is."
6507 (let ((conf gnus-current-window-configuration))
6509 (gnus-summary-select-article))
6510 (setq gnus-current-window-configuration conf)
6511 (let* ((name (format "%s-%d"
6512 (gnus-group-prefixed-name
6513 gnus-newsgroup-name (list 'nndoc ""))
6515 (set-buffer gnus-summary-buffer)
6516 gnus-current-article)))
6517 (ogroup gnus-newsgroup-name)
6518 (params (append (gnus-info-params (gnus-get-info ogroup))
6519 (list (cons 'to-group ogroup))
6520 (list (cons 'save-article-group ogroup))))
6521 (case-fold-search t)
6522 (buf (current-buffer))
6525 (setq dig (nnheader-set-temp-buffer " *gnus digest buffer*"))
6526 (insert-buffer-substring gnus-original-article-buffer)
6527 ;; Remove lines that may lead nndoc to misinterpret the
6530 (goto-char (point-min))
6531 (or (search-forward "\n\n" nil t) (point)))
6532 (goto-char (point-min))
6533 (delete-matching-lines "^\\(Path\\):\\|^From ")
6536 (if (gnus-group-read-ephemeral-group
6537 name `(nndoc ,name (nndoc-address ,(get-buffer dig))
6539 ,(if force 'digest 'guess))) t)
6540 ;; Make all postings to this group go to the parent group.
6541 (nconc (gnus-info-params (gnus-get-info name))
6543 ;; Couldn't select this doc group.
6544 (switch-to-buffer buf)
6545 (gnus-set-global-variables)
6546 (gnus-configure-windows 'summary)
6547 (gnus-message 3 "Article couldn't be entered?"))
6548 (kill-buffer dig)))))
6550 (defun gnus-summary-read-document (n)
6551 "Open a new group based on the current article(s).
6552 This will allow you to read digests and other similar
6553 documents as newsgroups.
6554 Obeys the standard process/prefix convention."
6556 (let* ((articles (gnus-summary-work-articles n))
6557 (ogroup gnus-newsgroup-name)
6558 (params (append (gnus-info-params (gnus-get-info ogroup))
6559 (list (cons 'to-group ogroup))))
6560 article group egroup groups vgroup)
6561 (while (setq article (pop articles))
6562 (setq group (format "%s-%d" gnus-newsgroup-name article))
6563 (gnus-summary-remove-process-mark article)
6564 (when (gnus-summary-display-article article)
6566 (nnheader-temp-write nil
6567 (insert-buffer-substring gnus-original-article-buffer)
6568 ;; Remove some headers that may lead nndoc to make
6570 (message-narrow-to-head)
6571 (goto-char (point-min))
6572 (delete-matching-lines "^\\(Path\\):\\|^From ")
6575 (gnus-group-read-ephemeral-group
6576 group `(nndoc ,group (nndoc-address ,(current-buffer))
6577 (nndoc-article-type guess))
6580 ;; Make all postings to this group go to the parent group.
6581 (nconc (gnus-info-params (gnus-get-info egroup))
6583 (push egroup groups))
6584 ;; Couldn't select this doc group.
6585 (gnus-error 3 "Article couldn't be entered"))))))
6586 ;; Now we have selected all the documents.
6589 (error "None of the articles could be interpreted as documents"))
6590 ((gnus-group-read-ephemeral-group
6591 (setq vgroup (format
6592 "nnvirtual:%s-%s" gnus-newsgroup-name
6593 (format-time-string "%Y%m%dT%H%M%S" (current-time))))
6594 `(nnvirtual ,vgroup (nnvirtual-component-groups ,groups))
6596 (cons (current-buffer) 'summary)))
6598 (error "Couldn't select virtual nndoc group")))))
6600 (defun gnus-summary-isearch-article (&optional regexp-p)
6601 "Do incremental search forward on the current article.
6602 If REGEXP-P (the prefix) is non-nil, do regexp isearch."
6604 (gnus-summary-select-article)
6605 (gnus-configure-windows 'article)
6606 (gnus-eval-in-buffer-window gnus-article-buffer
6609 (isearch-forward regexp-p))))
6611 (defun gnus-summary-search-article-forward (regexp &optional backward)
6612 "Search for an article containing REGEXP forward.
6613 If BACKWARD, search backward instead."
6616 (format "Search article %s (regexp%s): "
6617 (if current-prefix-arg "backward" "forward")
6618 (if gnus-last-search-regexp
6619 (concat ", default " gnus-last-search-regexp)
6621 current-prefix-arg))
6622 (if (string-equal regexp "")
6623 (setq regexp (or gnus-last-search-regexp ""))
6624 (setq gnus-last-search-regexp regexp))
6625 (if (gnus-summary-search-article regexp backward)
6626 (gnus-summary-show-thread)
6627 (error "Search failed: \"%s\"" regexp)))
6629 (defun gnus-summary-search-article-backward (regexp)
6630 "Search for an article containing REGEXP backward."
6633 (format "Search article backward (regexp%s): "
6634 (if gnus-last-search-regexp
6635 (concat ", default " gnus-last-search-regexp)
6637 (gnus-summary-search-article-forward regexp 'backward))
6639 (defun gnus-summary-search-article (regexp &optional backward)
6640 "Search for an article containing REGEXP.
6641 Optional argument BACKWARD means do search for backward.
6642 `gnus-select-article-hook' is not called during the search."
6643 ;; We have to require this here to make sure that the following
6644 ;; dynamic binding isn't shadowed by autoloading.
6645 (require 'gnus-async)
6646 (let ((gnus-select-article-hook nil) ;Disable hook.
6647 (gnus-article-display-hook nil)
6648 (gnus-mark-article-hook nil) ;Inhibit marking as read.
6649 (gnus-use-article-prefetch nil)
6650 (gnus-xmas-force-redisplay nil) ;Inhibit XEmacs redisplay.
6651 (gnus-use-trees nil) ;Inhibit updating tree buffer.
6652 (sum (current-buffer))
6655 (gnus-save-hidden-threads
6656 (gnus-summary-select-article)
6657 (set-buffer gnus-article-buffer)
6661 (gnus-message 7 "Searching article: %d..." (cdr gnus-article-current))
6663 (re-search-backward regexp nil t)
6664 (re-search-forward regexp nil t))
6665 ;; We found the regexp.
6670 (get-buffer-window (current-buffer))
6674 (setq point (point)))
6675 ;; We didn't find it, so we go to the next article.
6678 (while (eq found 'not)
6679 (if (not (if backward (gnus-summary-find-prev)
6680 (gnus-summary-find-next)))
6681 ;; No more articles.
6683 ;; Select the next article and adjust point.
6684 (unless (gnus-summary-article-sparse-p
6685 (gnus-summary-article-number))
6687 (gnus-summary-select-article)
6688 (set-buffer gnus-article-buffer)
6690 (goto-char (if backward (point-max) (point-min))))))))
6691 (gnus-message 7 ""))
6692 ;; Return whether we found the regexp.
6693 (when (eq found 'found)
6695 (gnus-summary-show-thread)
6696 (gnus-summary-goto-subject gnus-current-article)
6697 (gnus-summary-position-point)
6700 (defun gnus-summary-find-matching (header regexp &optional backward unread
6702 "Return a list of all articles that match REGEXP on HEADER.
6703 The search stars on the current article and goes forwards unless
6704 BACKWARD is non-nil. If BACKWARD is `all', do all articles.
6705 If UNREAD is non-nil, only unread articles will
6706 be taken into consideration. If NOT-CASE-FOLD, case won't be folded
6707 in the comparisons."
6708 (let ((data (if (eq backward 'all) gnus-newsgroup-data
6709 (gnus-data-find-list
6710 (gnus-summary-article-number) (gnus-data-list backward))))
6711 (func `(lambda (h) (,(intern (concat "mail-header-" header)) h)))
6712 (case-fold-search (not not-case-fold))
6714 (unless (fboundp (intern (concat "mail-header-" header)))
6715 (error "%s is not a valid header" header))
6718 (and (or (not unread) ; We want all articles...
6719 (gnus-data-unread-p d)) ; Or just unreads.
6720 (vectorp (gnus-data-header d)) ; It's not a pseudo.
6721 (string-match regexp (funcall func (gnus-data-header d))) ; Match.
6722 (push (gnus-data-number d) articles)) ; Success!
6723 (setq data (cdr data)))
6724 (nreverse articles)))
6726 (defun gnus-summary-execute-command (header regexp command &optional backward)
6727 "Search forward for an article whose HEADER matches REGEXP and execute COMMAND.
6728 If HEADER is an empty string (or nil), the match is done on the entire
6729 article. If BACKWARD (the prefix) is non-nil, search backward instead."
6731 (list (let ((completion-ignore-case t))
6734 (mapcar (lambda (string) (list string))
6735 '("Number" "Subject" "From" "Lines" "Date"
6736 "Message-ID" "Xref" "References" "Body"))
6737 nil 'require-match))
6738 (read-string "Regexp: ")
6739 (read-key-sequence "Command: ")
6740 current-prefix-arg))
6741 (when (equal header "Body")
6743 ;; Hidden thread subtrees must be searched as well.
6744 (gnus-summary-show-all-threads)
6745 ;; We don't want to change current point nor window configuration.
6747 (save-window-excursion
6748 (gnus-message 6 "Executing %s..." (key-description command))
6749 ;; We'd like to execute COMMAND interactively so as to give arguments.
6750 (gnus-execute header regexp
6751 `(call-interactively ',(key-binding command))
6753 (gnus-message 6 "Executing %s...done" (key-description command)))))
6755 (defun gnus-summary-beginning-of-article ()
6756 "Scroll the article back to the beginning."
6758 (gnus-summary-select-article)
6759 (gnus-configure-windows 'article)
6760 (gnus-eval-in-buffer-window gnus-article-buffer
6762 (goto-char (point-min))
6763 (when gnus-page-broken
6764 (gnus-narrow-to-page))))
6766 (defun gnus-summary-end-of-article ()
6767 "Scroll to the end of the article."
6769 (gnus-summary-select-article)
6770 (gnus-configure-windows 'article)
6771 (gnus-eval-in-buffer-window gnus-article-buffer
6773 (goto-char (point-max))
6775 (when gnus-page-broken
6776 (gnus-narrow-to-page))))
6778 (defun gnus-summary-print-article (&optional filename n)
6779 "Generate and print a PostScript image of the N next (mail) articles.
6781 If N is negative, print the N previous articles. If N is nil and articles
6782 have been marked with the process mark, print these instead.
6784 If the optional second argument FILENAME is nil, send the image to the
6785 printer. If FILENAME is a string, save the PostScript image in a file with
6786 that name. If FILENAME is a number, prompt the user for the name of the file
6788 (interactive (list (ps-print-preprint current-prefix-arg)
6789 current-prefix-arg))
6790 (dolist (article (gnus-summary-work-articles n))
6791 (gnus-summary-select-article nil nil 'pseudo article)
6792 (gnus-eval-in-buffer-window gnus-article-buffer
6793 (let ((buffer (generate-new-buffer " *print*")))
6796 (copy-to-buffer buffer (point-min) (point-max))
6798 (gnus-article-delete-invisible-text)
6799 (let ((ps-left-header
6802 (mail-header-subject gnus-current-headers) ")")
6804 (mail-header-from gnus-current-headers) ")")))
6807 "/pagenumberstring load"
6809 (mail-header-date gnus-current-headers) ")"))))
6810 (gnus-run-hooks 'gnus-ps-print-hook)
6811 (ps-print-buffer-with-faces filename)))
6812 (kill-buffer buffer))))))
6814 (defun gnus-summary-show-article (&optional arg)
6815 "Force re-fetching of the current article.
6816 If ARG (the prefix) is non-nil, show the raw article without any
6817 article massaging functions being run."
6820 ;; Select the article the normal way.
6821 (gnus-summary-select-article nil 'force)
6822 ;; Bind the article treatment functions to nil.
6823 (let ((gnus-have-all-headers t)
6824 gnus-article-display-hook
6825 gnus-article-prepare-hook
6829 (gnus-summary-select-article nil 'force)))
6830 (gnus-summary-goto-subject gnus-current-article)
6831 (gnus-summary-position-point))
6833 (defun gnus-summary-verbose-headers (&optional arg)
6834 "Toggle permanent full header display.
6835 If ARG is a positive number, turn header display on.
6836 If ARG is a negative number, turn header display off."
6838 (setq gnus-show-all-headers
6839 (cond ((or (not (numberp arg))
6841 (not gnus-show-all-headers))
6844 (gnus-summary-show-article))
6846 (defun gnus-summary-toggle-header (&optional arg)
6847 "Show the headers if they are hidden, or hide them if they are shown.
6848 If ARG is a positive number, show the entire header.
6849 If ARG is a negative number, hide the unwanted header lines."
6852 (set-buffer gnus-article-buffer)
6853 (let* ((buffer-read-only nil)
6854 (inhibit-point-motion-hooks t)
6855 (hidden (text-property-any
6856 (goto-char (point-min)) (search-forward "\n\n")
6859 (goto-char (point-min))
6860 (when (search-forward "\n\n" nil t)
6861 (delete-region (point-min) (1- (point))))
6862 (goto-char (point-min))
6864 (set-buffer gnus-original-article-buffer)
6865 (goto-char (point-min))
6866 (setq e (1- (or (search-forward "\n\n" nil t) (point-max)))))
6867 (insert-buffer-substring gnus-original-article-buffer 1 e)
6868 (let ((article-inhibit-hiding t))
6869 (gnus-run-hooks 'gnus-article-display-hook))
6870 (when (or (not hidden) (and (numberp arg) (< arg 0)))
6871 (gnus-article-hide-headers)))))
6873 (defun gnus-summary-show-all-headers ()
6874 "Make all header lines visible."
6876 (gnus-article-show-all-headers))
6878 (defun gnus-summary-toggle-mime (&optional arg)
6879 "Toggle MIME processing.
6880 If ARG is a positive number, turn MIME processing on."
6882 (setq gnus-show-mime
6883 (if (null arg) (not gnus-show-mime)
6884 (> (prefix-numeric-value arg) 0)))
6885 (gnus-summary-select-article t 'force))
6887 (defun gnus-summary-caesar-message (&optional arg)
6888 "Caesar rotate the current article by 13.
6889 The numerical prefix specifies how many places to rotate each letter
6892 (gnus-summary-select-article)
6893 (let ((mail-header-separator ""))
6894 (gnus-eval-in-buffer-window gnus-article-buffer
6897 (let ((start (window-start))
6899 (message-caesar-buffer-body arg)
6900 (set-window-start (get-buffer-window (current-buffer)) start))))))
6902 (defun gnus-summary-stop-page-breaking ()
6903 "Stop page breaking in the current article."
6905 (gnus-summary-select-article)
6906 (gnus-eval-in-buffer-window gnus-article-buffer
6908 (when (gnus-visual-p 'page-marker)
6909 (let ((buffer-read-only nil))
6910 (gnus-remove-text-with-property 'gnus-prev)
6911 (gnus-remove-text-with-property 'gnus-next))
6912 (setq gnus-page-broken nil))))
6914 (defun gnus-summary-move-article (&optional n to-newsgroup
6915 select-method action)
6916 "Move the current article to a different newsgroup.
6917 If N is a positive number, move the N next articles.
6918 If N is a negative number, move the N previous articles.
6919 If N is nil and any articles have been marked with the process mark,
6920 move those articles instead.
6921 If TO-NEWSGROUP is string, do not prompt for a newsgroup to move to.
6922 If SELECT-METHOD is non-nil, do not move to a specific newsgroup, but
6923 re-spool using this method.
6925 For this function to work, both the current newsgroup and the
6926 newsgroup that you want to move to have to support the `request-move'
6927 and `request-accept' functions."
6930 (setq action 'move))
6931 ;; Disable marking as read.
6932 (let (gnus-mark-article-hook)
6933 (save-window-excursion
6934 (gnus-summary-select-article)))
6935 ;; Check whether the source group supports the required functions.
6936 (cond ((and (eq action 'move)
6937 (not (gnus-check-backend-function
6938 'request-move-article gnus-newsgroup-name)))
6939 (error "The current group does not support article moving"))
6940 ((and (eq action 'crosspost)
6941 (not (gnus-check-backend-function
6942 'request-replace-article gnus-newsgroup-name)))
6943 (error "The current group does not support article editing")))
6944 (let ((articles (gnus-summary-work-articles n))
6945 (prefix (gnus-group-real-prefix gnus-newsgroup-name))
6946 (names '((move "Move" "Moving")
6947 (copy "Copy" "Copying")
6948 (crosspost "Crosspost" "Crossposting")))
6949 (copy-buf (save-excursion
6950 (nnheader-set-temp-buffer " *copy article*")))
6951 art-group to-method new-xref article to-groups)
6952 (unless (assq action names)
6953 (error "Unknown action %s" action))
6954 ;; Read the newsgroup name.
6955 (when (and (not to-newsgroup)
6956 (not select-method))
6958 (gnus-read-move-group-name
6959 (cadr (assq action names))
6960 (symbol-value (intern (format "gnus-current-%s-group" action)))
6962 (set (intern (format "gnus-current-%s-group" action)) to-newsgroup))
6963 (setq to-method (or select-method
6964 (gnus-group-name-to-method to-newsgroup)))
6965 ;; Check the method we are to move this article to...
6966 (unless (gnus-check-backend-function
6967 'request-accept-article (car to-method))
6968 (error "%s does not support article copying" (car to-method)))
6969 (unless (gnus-check-server to-method)
6970 (error "Can't open server %s" (car to-method)))
6971 (gnus-message 6 "%s to %s: %s..."
6972 (caddr (assq action names))
6973 (or (car select-method) to-newsgroup) articles)
6975 (setq article (pop articles))
6979 ;; Move the article.
6981 ;; Remove this article from future suppression.
6982 (gnus-dup-unsuppress-article article)
6983 (gnus-request-move-article
6984 article ; Article to move
6985 gnus-newsgroup-name ; From newsgroup
6986 (nth 1 (gnus-find-method-for-group
6987 gnus-newsgroup-name)) ; Server
6988 (list 'gnus-request-accept-article
6989 to-newsgroup (list 'quote select-method)
6990 (not articles)) ; Accept form
6991 (not articles))) ; Only save nov last time
6992 ;; Copy the article.
6995 (set-buffer copy-buf)
6996 (when (gnus-request-article-this-buffer article gnus-newsgroup-name)
6997 (gnus-request-accept-article
6998 to-newsgroup select-method (not articles)))))
6999 ;; Crosspost the article.
7000 ((eq action 'crosspost)
7001 (let ((xref (message-tokenize-header
7002 (mail-header-xref (gnus-summary-article-header article))
7004 (setq new-xref (concat (gnus-group-real-name gnus-newsgroup-name)
7007 (setq xref (list (system-name))))
7010 (mapconcat 'identity
7011 (delete "Xref:" (delete new-xref xref))
7015 (set-buffer copy-buf)
7016 ;; First put the article in the destination group.
7017 (gnus-request-article-this-buffer article gnus-newsgroup-name)
7018 (when (consp (setq art-group
7019 (gnus-request-accept-article
7020 to-newsgroup select-method (not articles))))
7021 (setq new-xref (concat new-xref " " (car art-group)
7022 ":" (cdr art-group)))
7023 ;; Now we have the new Xrefs header, so we insert
7024 ;; it and replace the new article.
7025 (nnheader-replace-header "Xref" new-xref)
7026 (gnus-request-replace-article
7027 (cdr art-group) to-newsgroup (current-buffer))
7031 (gnus-message 1 "Couldn't %s article %s"
7032 (cadr (assq action names)) article))
7033 ((and (eq art-group 'junk)
7035 (gnus-summary-mark-article article gnus-canceled-mark)
7036 (gnus-message 4 "Deleted article %s" article))
7040 (gnus-gethash (car art-group) gnus-newsrc-hashtb)
7042 (gnus-group-prefixed-name
7045 (gnus-find-method-for-group to-newsgroup)))
7046 gnus-newsrc-hashtb)))
7047 (info (nth 2 entry))
7048 (to-group (gnus-info-group info)))
7049 ;; Update the group that has been moved to.
7051 (memq action '(move copy)))
7052 (unless (member to-group to-groups)
7053 (push to-group to-groups))
7055 (unless (memq article gnus-newsgroup-unreads)
7057 info (gnus-add-to-range (gnus-info-read info)
7058 (list (cdr art-group)))))
7060 ;; Copy any marks over to the new group.
7061 (let ((marks gnus-article-mark-lists)
7062 (to-article (cdr art-group)))
7064 ;; See whether the article is to be put in the cache.
7065 (when gnus-use-cache
7066 (gnus-cache-possibly-enter-article
7068 (let ((header (copy-sequence
7069 (gnus-summary-article-header article))))
7070 (mail-header-set-number header to-article)
7072 (memq article gnus-newsgroup-marked)
7073 (memq article gnus-newsgroup-dormant)
7074 (memq article gnus-newsgroup-unreads)))
7076 (when (and (equal to-group gnus-newsgroup-name)
7077 (not (memq article gnus-newsgroup-unreads)))
7078 ;; Mark this article as read in this group.
7079 (push (cons to-article gnus-read-mark) gnus-newsgroup-reads)
7080 (setcdr (gnus-active to-group) to-article)
7081 (setcdr gnus-newsgroup-active to-article))
7084 (when (memq article (symbol-value
7085 (intern (format "gnus-newsgroup-%s"
7087 ;; If the other group is the same as this group,
7088 ;; then we have to add the mark to the list.
7089 (when (equal to-group gnus-newsgroup-name)
7090 (set (intern (format "gnus-newsgroup-%s" (caar marks)))
7093 (intern (format "gnus-newsgroup-%s"
7095 ;; Copy the marks to other group.
7096 (gnus-add-marked-articles
7097 to-group (cdar marks) (list to-article) info))
7098 (setq marks (cdr marks)))
7101 (concat "(gnus-group-set-info '"
7102 (gnus-prin1-to-string (gnus-get-info to-group))
7105 ;; Update the Xref header in this article to point to
7106 ;; the new crossposted article we have just created.
7107 (when (eq action 'crosspost)
7109 (set-buffer copy-buf)
7110 (gnus-request-article-this-buffer article gnus-newsgroup-name)
7111 (nnheader-replace-header "Xref" new-xref)
7112 (gnus-request-replace-article
7113 article gnus-newsgroup-name (current-buffer)))))
7115 ;;;!!!Why is this necessary?
7116 (set-buffer gnus-summary-buffer)
7118 (gnus-summary-goto-subject article)
7119 (when (eq action 'move)
7120 (gnus-summary-mark-article article gnus-canceled-mark))))
7121 (gnus-summary-remove-process-mark article))
7122 ;; Re-activate all groups that have been moved to.
7125 (set-buffer gnus-group-buffer)
7126 (when (gnus-group-goto-group (car to-groups) t)
7127 (gnus-group-get-new-news-this-group 1 t))
7130 (gnus-kill-buffer copy-buf)
7131 (gnus-summary-position-point)
7132 (gnus-set-mode-line 'summary)))
7134 (defun gnus-summary-copy-article (&optional n to-newsgroup select-method)
7135 "Move the current article to a different newsgroup.
7136 If TO-NEWSGROUP is string, do not prompt for a newsgroup to move to.
7137 If SELECT-METHOD is non-nil, do not move to a specific newsgroup, but
7138 re-spool using this method."
7140 (gnus-summary-move-article n to-newsgroup select-method 'copy))
7142 (defun gnus-summary-crosspost-article (&optional n)
7143 "Crosspost the current article to some other group."
7145 (gnus-summary-move-article n nil nil 'crosspost))
7147 (defcustom gnus-summary-respool-default-method nil
7148 "Default method for respooling an article.
7149 If nil, use to the current newsgroup method."
7150 :type `(choice (gnus-select-method :value (nnml ""))
7152 :group 'gnus-summary-mail)
7154 (defun gnus-summary-respool-article (&optional n method)
7155 "Respool the current article.
7156 The article will be squeezed through the mail spooling process again,
7157 which means that it will be put in some mail newsgroup or other
7158 depending on `nnmail-split-methods'.
7159 If N is a positive number, respool the N next articles.
7160 If N is a negative number, respool the N previous articles.
7161 If N is nil and any articles have been marked with the process mark,
7162 respool those articles instead.
7164 Respooling can be done both from mail groups and \"real\" newsgroups.
7165 In the former case, the articles in question will be moved from the
7166 current group into whatever groups they are destined to. In the
7167 latter case, they will be copied into the relevant groups."
7169 (list current-prefix-arg
7170 (let* ((methods (gnus-methods-using 'respool))
7172 (symbol-name (or gnus-summary-respool-default-method
7173 (car (gnus-find-method-for-group
7174 gnus-newsgroup-name)))))
7176 (gnus-completing-read
7177 methname "What backend do you want to use when respooling?"
7178 methods nil t nil 'gnus-mail-method-history))
7181 ((zerop (length (setq ms (gnus-servers-using-backend
7183 (list (intern method) ""))
7187 (let ((ms-alist (mapcar (lambda (m) (cons (cadr m) m)) ms)))
7188 (cdr (assoc (completing-read "Server name: " ms-alist nil t)
7191 (error "No method given for respooling"))
7192 (if (assoc (symbol-name
7193 (car (gnus-find-method-for-group gnus-newsgroup-name)))
7194 (gnus-methods-using 'respool))
7195 (gnus-summary-move-article n nil method)
7196 (gnus-summary-copy-article n nil method)))
7198 (defun gnus-summary-import-article (file)
7199 "Import a random file into a mail newsgroup."
7200 (interactive "fImport file: ")
7201 (let ((group gnus-newsgroup-name)
7202 (now (current-time))
7204 (unless (gnus-check-backend-function 'request-accept-article group)
7205 (error "%s does not support article importing" group))
7206 (or (file-readable-p file)
7207 (not (file-regular-p file))
7208 (error "Can't read %s" file))
7210 (set-buffer (get-buffer-create " *import file*"))
7211 (buffer-disable-undo (current-buffer))
7213 (insert-file-contents file)
7214 (goto-char (point-min))
7215 (unless (nnheader-article-p)
7216 ;; This doesn't look like an article, so we fudge some headers.
7217 (setq atts (file-attributes file)
7218 lines (count-lines (point-min) (point-max)))
7219 (insert "From: " (read-string "From: ") "\n"
7220 "Subject: " (read-string "Subject: ") "\n"
7221 "Date: " (timezone-make-date-arpa-standard
7222 (current-time-string (nth 5 atts))
7223 (current-time-zone now)
7224 (current-time-zone now))
7226 "Message-ID: " (message-make-message-id) "\n"
7227 "Lines: " (int-to-string lines) "\n"
7228 "Chars: " (int-to-string (nth 7 atts)) "\n\n"))
7229 (gnus-request-accept-article group nil t)
7230 (kill-buffer (current-buffer)))))
7232 (defun gnus-summary-article-posted-p ()
7233 "Say whether the current (mail) article is available from `gnus-select-method' as well.
7234 This will be the case if the article has both been mailed and posted."
7236 (let ((id (mail-header-references (gnus-summary-article-header)))
7237 (gnus-override-method
7238 (or gnus-refer-article-method gnus-select-method)))
7239 (if (gnus-request-head id "")
7240 (gnus-message 2 "The current message was found on %s"
7241 gnus-override-method)
7242 (gnus-message 2 "The current message couldn't be found on %s"
7243 gnus-override-method)
7246 (defun gnus-summary-expire-articles (&optional now)
7247 "Expire all articles that are marked as expirable in the current group."
7249 (when (gnus-check-backend-function
7250 'request-expire-articles gnus-newsgroup-name)
7251 ;; This backend supports expiry.
7252 (let* ((total (gnus-group-total-expirable-p gnus-newsgroup-name))
7253 (expirable (if total
7255 ;; We need to update the info for
7256 ;; this group for `gnus-list-of-read-articles'
7257 ;; to give us the right answer.
7258 (gnus-run-hooks 'gnus-exit-group-hook)
7259 (gnus-summary-update-info)
7260 (gnus-list-of-read-articles gnus-newsgroup-name))
7261 (setq gnus-newsgroup-expirable
7262 (sort gnus-newsgroup-expirable '<))))
7263 (expiry-wait (if now 'immediate
7264 (gnus-group-find-parameter
7265 gnus-newsgroup-name 'expiry-wait)))
7268 ;; There are expirable articles in this group, so we run them
7269 ;; through the expiry process.
7270 (gnus-message 6 "Expiring articles...")
7271 ;; The list of articles that weren't expired is returned.
7274 (let ((nnmail-expiry-wait-function nil)
7275 (nnmail-expiry-wait expiry-wait))
7276 (setq es (gnus-request-expire-articles
7277 expirable gnus-newsgroup-name)))
7278 (setq es (gnus-request-expire-articles
7279 expirable gnus-newsgroup-name))))
7281 (setq gnus-newsgroup-expirable es))
7282 ;; We go through the old list of expirable, and mark all
7283 ;; really expired articles as nonexistent.
7284 (unless (eq es expirable) ;If nothing was expired, we don't mark.
7285 (let ((gnus-use-cache nil))
7287 (unless (memq (car expirable) es)
7288 (when (gnus-data-find (car expirable))
7289 (gnus-summary-mark-article
7290 (car expirable) gnus-canceled-mark)))
7291 (setq expirable (cdr expirable)))))
7292 (gnus-message 6 "Expiring articles...done")))))
7294 (defun gnus-summary-expire-articles-now ()
7295 "Expunge all expirable articles in the current group.
7296 This means that *all* articles that are marked as expirable will be
7297 deleted forever, right now."
7299 (unless gnus-expert-user
7301 "Are you really, really, really sure you want to delete all these messages? ")
7303 (gnus-summary-expire-articles t))
7305 ;; Suggested by Jack Vinson <vinson@unagi.cis.upenn.edu>.
7306 (defun gnus-summary-delete-article (&optional n)
7307 "Delete the N next (mail) articles.
7308 This command actually deletes articles. This is not a marking
7309 command. The article will disappear forever from your life, never to
7311 If N is negative, delete backwards.
7312 If N is nil and articles have been marked with the process mark,
7313 delete these instead."
7315 (unless (gnus-check-backend-function 'request-expire-articles
7316 gnus-newsgroup-name)
7317 (error "The current newsgroup does not support article deletion"))
7318 ;; Compute the list of articles to delete.
7319 (let ((articles (gnus-summary-work-articles n))
7321 (if (and gnus-novice-user
7322 (not (gnus-yes-or-no-p
7323 (format "Do you really want to delete %s forever? "
7324 (if (> (length articles) 1)
7325 (format "these %s articles" (length articles))
7328 ;; Delete the articles.
7329 (setq not-deleted (gnus-request-expire-articles
7330 articles gnus-newsgroup-name 'force))
7332 (gnus-summary-remove-process-mark (car articles))
7333 ;; The backend might not have been able to delete the article
7335 (unless (memq (car articles) not-deleted)
7336 (gnus-summary-mark-article (car articles) gnus-canceled-mark))
7337 (setq articles (cdr articles)))
7339 (gnus-message 4 "Couldn't delete articles %s" not-deleted)))
7340 (gnus-summary-position-point)
7341 (gnus-set-mode-line 'summary)
7344 (defun gnus-summary-edit-article (&optional force)
7345 "Edit the current article.
7346 This will have permanent effect only in mail groups.
7347 If FORCE is non-nil, allow editing of articles even in read-only
7351 (set-buffer gnus-summary-buffer)
7352 (gnus-set-global-variables)
7353 (when (and (not force)
7354 (gnus-group-read-only-p))
7355 (error "The current newsgroup does not support article editing"))
7356 ;; Select article if needed.
7357 (unless (eq (gnus-summary-article-number)
7358 gnus-current-article)
7359 (gnus-summary-select-article t))
7360 (gnus-article-date-original)
7361 (gnus-article-edit-article
7362 `(lambda (no-highlight)
7363 (gnus-summary-edit-article-done
7364 ,(or (mail-header-references gnus-current-headers) "")
7365 ,(gnus-group-read-only-p) ,gnus-summary-buffer no-highlight)))))
7367 (defalias 'gnus-summary-edit-article-postpone 'gnus-article-edit-exit)
7369 (defun gnus-summary-edit-article-done (&optional references read-only buffer
7371 "Make edits to the current article permanent."
7373 ;; Replace the article.
7374 (if (and (not read-only)
7375 (not (gnus-request-replace-article
7376 (cdr gnus-article-current) (car gnus-article-current)
7378 (error "Couldn't replace article")
7379 ;; Update the summary buffer.
7381 (equal (message-tokenize-header references " ")
7382 (message-tokenize-header
7383 (or (message-fetch-field "references") "") " ")))
7384 ;; We only have to update this line.
7387 (message-narrow-to-head)
7388 (let ((head (buffer-string))
7390 (nnheader-temp-write nil
7391 (insert (format "211 %d Article retrieved.\n"
7392 (cdr gnus-article-current)))
7395 (let ((nntp-server-buffer (current-buffer)))
7396 (setq header (car (gnus-get-newsgroup-headers
7398 (set-buffer gnus-summary-buffer)
7399 gnus-newsgroup-dependencies)
7402 (set-buffer gnus-summary-buffer)
7403 (gnus-data-set-header
7404 (gnus-data-find (cdr gnus-article-current))
7406 (gnus-summary-update-article-line
7407 (cdr gnus-article-current) header))))))
7409 (set-buffer (or buffer gnus-summary-buffer))
7410 (gnus-summary-update-article (cdr gnus-article-current)))
7411 ;; Prettify the article buffer again.
7412 (unless no-highlight
7414 (set-buffer gnus-article-buffer)
7415 (gnus-run-hooks 'gnus-article-display-hook)
7416 (set-buffer gnus-original-article-buffer)
7417 (gnus-request-article
7418 (cdr gnus-article-current)
7419 (car gnus-article-current) (current-buffer))))
7420 ;; Prettify the summary buffer line.
7421 (when (gnus-visual-p 'summary-highlight 'highlight)
7422 (gnus-run-hooks 'gnus-visual-mark-article-hook))))
7424 (defun gnus-summary-edit-wash (key)
7425 "Perform editing command in the article buffer."
7429 (message "%s" (concat (this-command-keys) "- "))
7432 (gnus-summary-edit-article)
7433 (execute-kbd-macro (concat (this-command-keys) key))
7434 (gnus-article-edit-done))
7438 (defun gnus-summary-respool-query (&optional silent)
7439 "Query where the respool algorithm would put this article."
7441 (let (gnus-mark-article-hook)
7442 (gnus-summary-select-article)
7444 (set-buffer gnus-original-article-buffer)
7446 (message-narrow-to-head)
7447 (let ((groups (nnmail-article-group 'identity)))
7450 (message "This message would go to %s"
7451 (mapconcat 'car groups ", "))
7452 (message "This message would go to no groups"))
7455 ;; Summary marking commands.
7457 (defun gnus-summary-kill-same-subject-and-select (&optional unmark)
7458 "Mark articles which has the same subject as read, and then select the next.
7459 If UNMARK is positive, remove any kind of mark.
7460 If UNMARK is negative, tick articles."
7463 (setq unmark (prefix-numeric-value unmark)))
7465 (gnus-summary-mark-same-subject
7466 (gnus-summary-article-subject) unmark)))
7467 ;; Select next unread article. If auto-select-same mode, should
7468 ;; select the first unread article.
7469 (gnus-summary-next-article t (and gnus-auto-select-same
7470 (gnus-summary-article-subject)))
7471 (gnus-message 7 "%d article%s marked as %s"
7472 count (if (= count 1) " is" "s are")
7473 (if unmark "unread" "read"))))
7475 (defun gnus-summary-kill-same-subject (&optional unmark)
7476 "Mark articles which has the same subject as read.
7477 If UNMARK is positive, remove any kind of mark.
7478 If UNMARK is negative, tick articles."
7481 (setq unmark (prefix-numeric-value unmark)))
7483 (gnus-summary-mark-same-subject
7484 (gnus-summary-article-subject) unmark)))
7485 ;; If marked as read, go to next unread subject.
7487 ;; Go to next unread subject.
7488 (gnus-summary-next-subject 1 t))
7489 (gnus-message 7 "%d articles are marked as %s"
7490 count (if unmark "unread" "read"))))
7492 (defun gnus-summary-mark-same-subject (subject &optional unmark)
7493 "Mark articles with same SUBJECT as read, and return marked number.
7494 If optional argument UNMARK is positive, remove any kinds of marks.
7495 If optional argument UNMARK is negative, mark articles as unread instead."
7499 ((null unmark) ; Mark as read.
7502 (gnus-summary-mark-article-as-read gnus-killed-mark)
7503 (gnus-summary-show-thread) t)
7504 (gnus-summary-find-subject subject))
7505 (setq count (1+ count))))
7506 ((> unmark 0) ; Tick.
7509 (gnus-summary-mark-article-as-unread gnus-ticked-mark)
7510 (gnus-summary-show-thread) t)
7511 (gnus-summary-find-subject subject))
7512 (setq count (1+ count))))
7513 (t ; Mark as unread.
7516 (gnus-summary-mark-article-as-unread gnus-unread-mark)
7517 (gnus-summary-show-thread) t)
7518 (gnus-summary-find-subject subject))
7519 (setq count (1+ count)))))
7520 (gnus-set-mode-line 'summary)
7521 ;; Return the number of marked articles.
7524 (defun gnus-summary-mark-as-processable (n &optional unmark)
7525 "Set the process mark on the next N articles.
7526 If N is negative, mark backward instead. If UNMARK is non-nil, remove
7527 the process mark instead. The difference between N and the actual
7528 number of articles marked is returned."
7530 (let ((backward (< n 0))
7535 (gnus-summary-remove-process-mark
7536 (gnus-summary-article-number))
7537 (gnus-summary-set-process-mark (gnus-summary-article-number)))
7538 (zerop (gnus-summary-next-subject (if backward -1 1) nil t)))
7541 (gnus-message 7 "No more articles"))
7542 (gnus-summary-recenter)
7543 (gnus-summary-position-point)
7546 (defun gnus-summary-unmark-as-processable (n)
7547 "Remove the process mark from the next N articles.
7548 If N is negative, unmark backward instead. The difference between N and
7549 the actual number of articles unmarked is returned."
7551 (gnus-summary-mark-as-processable n t))
7553 (defun gnus-summary-unmark-all-processable ()
7554 "Remove the process mark from all articles."
7557 (while gnus-newsgroup-processable
7558 (gnus-summary-remove-process-mark (car gnus-newsgroup-processable))))
7559 (gnus-summary-position-point))
7561 (defun gnus-summary-mark-as-expirable (n)
7562 "Mark N articles forward as expirable.
7563 If N is negative, mark backward instead. The difference between N and
7564 the actual number of articles marked is returned."
7566 (gnus-summary-mark-forward n gnus-expirable-mark))
7568 (defun gnus-summary-mark-article-as-replied (article)
7569 "Mark ARTICLE replied and update the summary line."
7570 (push article gnus-newsgroup-replied)
7571 (let ((buffer-read-only nil))
7572 (when (gnus-summary-goto-subject article)
7573 (gnus-summary-update-secondary-mark article))))
7575 (defun gnus-summary-set-bookmark (article)
7576 "Set a bookmark in current article."
7577 (interactive (list (gnus-summary-article-number)))
7578 (when (or (not (get-buffer gnus-article-buffer))
7579 (not gnus-current-article)
7580 (not gnus-article-current)
7581 (not (equal gnus-newsgroup-name (car gnus-article-current))))
7582 (error "No current article selected"))
7583 ;; Remove old bookmark, if one exists.
7584 (let ((old (assq article gnus-newsgroup-bookmarks)))
7586 (setq gnus-newsgroup-bookmarks
7587 (delq old gnus-newsgroup-bookmarks))))
7588 ;; Set the new bookmark, which is on the form
7589 ;; (article-number . line-number-in-body).
7593 (set-buffer gnus-article-buffer)
7597 (goto-char (point-min))
7598 (search-forward "\n\n" nil t)
7601 gnus-newsgroup-bookmarks)
7602 (gnus-message 6 "A bookmark has been added to the current article."))
7604 (defun gnus-summary-remove-bookmark (article)
7605 "Remove the bookmark from the current article."
7606 (interactive (list (gnus-summary-article-number)))
7607 ;; Remove old bookmark, if one exists.
7608 (let ((old (assq article gnus-newsgroup-bookmarks)))
7611 (setq gnus-newsgroup-bookmarks
7612 (delq old gnus-newsgroup-bookmarks))
7613 (gnus-message 6 "Removed bookmark."))
7614 (gnus-message 6 "No bookmark in current article."))))
7616 ;; Suggested by Daniel Quinlan <quinlan@best.com>.
7617 (defun gnus-summary-mark-as-dormant (n)
7618 "Mark N articles forward as dormant.
7619 If N is negative, mark backward instead. The difference between N and
7620 the actual number of articles marked is returned."
7622 (gnus-summary-mark-forward n gnus-dormant-mark))
7624 (defun gnus-summary-set-process-mark (article)
7625 "Set the process mark on ARTICLE and update the summary line."
7626 (setq gnus-newsgroup-processable
7628 (delq article gnus-newsgroup-processable)))
7629 (when (gnus-summary-goto-subject article)
7630 (gnus-summary-show-thread)
7631 (gnus-summary-update-secondary-mark article)))
7633 (defun gnus-summary-remove-process-mark (article)
7634 "Remove the process mark from ARTICLE and update the summary line."
7635 (setq gnus-newsgroup-processable (delq article gnus-newsgroup-processable))
7636 (when (gnus-summary-goto-subject article)
7637 (gnus-summary-show-thread)
7638 (gnus-summary-update-secondary-mark article)))
7640 (defun gnus-summary-set-saved-mark (article)
7641 "Set the process mark on ARTICLE and update the summary line."
7642 (push article gnus-newsgroup-saved)
7643 (when (gnus-summary-goto-subject article)
7644 (gnus-summary-update-secondary-mark article)))
7646 (defun gnus-summary-mark-forward (n &optional mark no-expire)
7647 "Mark N articles as read forwards.
7648 If N is negative, mark backwards instead. Mark with MARK, ?r by default.
7649 The difference between N and the actual number of articles marked is
7652 (let ((backward (< n 0))
7653 (gnus-summary-goto-unread
7654 (and gnus-summary-goto-unread
7655 (not (eq gnus-summary-goto-unread 'never))
7656 (not (memq mark (list gnus-unread-mark
7657 gnus-ticked-mark gnus-dormant-mark)))))
7659 (mark (or mark gnus-del-mark)))
7661 (gnus-summary-mark-article nil mark no-expire)
7662 (zerop (gnus-summary-next-subject
7664 (and gnus-summary-goto-unread
7665 (not (eq gnus-summary-goto-unread 'never)))
7669 (gnus-message 7 "No more %sarticles" (if mark "" "unread ")))
7670 (gnus-summary-recenter)
7671 (gnus-summary-position-point)
7672 (gnus-set-mode-line 'summary)
7675 (defun gnus-summary-mark-article-as-read (mark)
7676 "Mark the current article quickly as read with MARK."
7677 (let ((article (gnus-summary-article-number)))
7678 (setq gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
7679 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
7680 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
7681 (push (cons article mark) gnus-newsgroup-reads)
7682 ;; Possibly remove from cache, if that is used.
7683 (when gnus-use-cache
7684 (gnus-cache-enter-remove-article article))
7685 ;; Allow the backend to change the mark.
7686 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
7687 ;; Check for auto-expiry.
7688 (when (and gnus-newsgroup-auto-expire
7689 (or (= mark gnus-killed-mark) (= mark gnus-del-mark)
7690 (= mark gnus-catchup-mark) (= mark gnus-low-score-mark)
7691 (= mark gnus-ancient-mark)
7692 (= mark gnus-read-mark) (= mark gnus-souped-mark)
7693 (= mark gnus-duplicate-mark)))
7694 (setq mark gnus-expirable-mark)
7695 (push article gnus-newsgroup-expirable))
7696 ;; Set the mark in the buffer.
7697 (gnus-summary-update-mark mark 'unread)
7700 (defun gnus-summary-mark-article-as-unread (mark)
7701 "Mark the current article quickly as unread with MARK."
7702 (let* ((article (gnus-summary-article-number))
7703 (old-mark (gnus-summary-article-mark article)))
7704 (if (eq mark old-mark)
7708 (gnus-error 1 "Can't mark negative article numbers")
7710 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
7711 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
7712 (setq gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable))
7713 (setq gnus-newsgroup-reads (delq article gnus-newsgroup-reads))
7714 (cond ((= mark gnus-ticked-mark)
7715 (push article gnus-newsgroup-marked))
7716 ((= mark gnus-dormant-mark)
7717 (push article gnus-newsgroup-dormant))
7719 (push article gnus-newsgroup-unreads)))
7720 (setq gnus-newsgroup-reads
7721 (delq (assq article gnus-newsgroup-reads)
7722 gnus-newsgroup-reads))
7724 ;; See whether the article is to be put in the cache.
7726 (vectorp (gnus-summary-article-header article))
7728 (gnus-cache-possibly-enter-article
7729 gnus-newsgroup-name article
7730 (gnus-summary-article-header article)
7731 (= mark gnus-ticked-mark)
7732 (= mark gnus-dormant-mark) (= mark gnus-unread-mark))))
7735 (gnus-summary-update-mark mark 'unread)
7738 (defun gnus-summary-mark-article (&optional article mark no-expire)
7739 "Mark ARTICLE with MARK. MARK can be any character.
7740 Four MARK strings are reserved: `? ' (unread), `?!' (ticked),
7741 `??' (dormant) and `?E' (expirable).
7742 If MARK is nil, then the default character `?D' is used.
7743 If ARTICLE is nil, then the article on the current line will be
7745 ;; The mark might be a string.
7746 (when (stringp mark)
7747 (setq mark (aref mark 0)))
7748 ;; If no mark is given, then we check auto-expiring.
7749 (and (not no-expire)
7750 gnus-newsgroup-auto-expire
7752 (and (gnus-characterp mark)
7753 (or (= mark gnus-killed-mark) (= mark gnus-del-mark)
7754 (= mark gnus-catchup-mark) (= mark gnus-low-score-mark)
7755 (= mark gnus-read-mark) (= mark gnus-souped-mark)
7756 (= mark gnus-duplicate-mark))))
7757 (setq mark gnus-expirable-mark))
7758 (let* ((mark (or mark gnus-del-mark))
7759 (article (or article (gnus-summary-article-number)))
7760 (old-mark (gnus-summary-article-mark article)))
7761 (if (eq mark old-mark)
7764 (error "No article on current line"))
7765 (if (not (if (or (= mark gnus-unread-mark)
7766 (= mark gnus-ticked-mark)
7767 (= mark gnus-dormant-mark))
7768 (gnus-mark-article-as-unread article mark)
7769 (gnus-mark-article-as-read article mark)))
7771 ;; See whether the article is to be put in the cache.
7773 (not (= mark gnus-canceled-mark))
7774 (vectorp (gnus-summary-article-header article))
7776 (gnus-cache-possibly-enter-article
7777 gnus-newsgroup-name article
7778 (gnus-summary-article-header article)
7779 (= mark gnus-ticked-mark)
7780 (= mark gnus-dormant-mark) (= mark gnus-unread-mark))))
7782 (when (gnus-summary-goto-subject article nil t)
7783 (let ((buffer-read-only nil))
7784 (gnus-summary-show-thread)
7786 (gnus-summary-update-mark mark 'unread)
7789 (defun gnus-summary-update-secondary-mark (article)
7790 "Update the secondary (read, process, cache) mark."
7791 (gnus-summary-update-mark
7792 (cond ((memq article gnus-newsgroup-processable)
7794 ((memq article gnus-newsgroup-cached)
7796 ((memq article gnus-newsgroup-replied)
7798 ((memq article gnus-newsgroup-saved)
7800 (t gnus-unread-mark))
7802 (when (gnus-visual-p 'summary-highlight 'highlight)
7803 (gnus-run-hooks 'gnus-summary-update-hook))
7806 (defun gnus-summary-update-mark (mark type)
7807 (let ((forward (cdr (assq type gnus-summary-mark-positions)))
7808 (buffer-read-only nil))
7809 (re-search-backward "[\n\r]" (gnus-point-at-bol) 'move-to-limit)
7810 (when (looking-at "\r")
7813 (<= (+ forward (point)) (point-max)))
7814 ;; Go to the right position on the line.
7815 (goto-char (+ forward (point)))
7816 ;; Replace the old mark with the new mark.
7817 (subst-char-in-region (point) (1+ (point)) (following-char) mark)
7818 ;; Optionally update the marks by some user rule.
7819 (when (eq type 'unread)
7821 (gnus-data-find (gnus-summary-article-number)) mark)
7822 (gnus-summary-update-line (eq mark gnus-unread-mark))))))
7824 (defun gnus-mark-article-as-read (article &optional mark)
7825 "Enter ARTICLE in the pertinent lists and remove it from others."
7826 ;; Make the article expirable.
7827 (let ((mark (or mark gnus-del-mark)))
7828 (if (= mark gnus-expirable-mark)
7829 (push article gnus-newsgroup-expirable)
7830 (setq gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable)))
7831 ;; Remove from unread and marked lists.
7832 (setq gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
7833 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
7834 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
7835 (push (cons article mark) gnus-newsgroup-reads)
7836 ;; Possibly remove from cache, if that is used.
7837 (when gnus-use-cache
7838 (gnus-cache-enter-remove-article article))
7841 (defun gnus-mark-article-as-unread (article &optional mark)
7842 "Enter ARTICLE in the pertinent lists and remove it from others."
7843 (let ((mark (or mark gnus-ticked-mark)))
7846 (gnus-error 1 "Can't mark negative article numbers")
7848 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked)
7849 gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant)
7850 gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable)
7851 gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
7853 ;; Unsuppress duplicates?
7854 (when gnus-suppress-duplicates
7855 (gnus-dup-unsuppress-article article))
7857 (cond ((= mark gnus-ticked-mark)
7858 (push article gnus-newsgroup-marked))
7859 ((= mark gnus-dormant-mark)
7860 (push article gnus-newsgroup-dormant))
7862 (push article gnus-newsgroup-unreads)))
7863 (setq gnus-newsgroup-reads
7864 (delq (assq article gnus-newsgroup-reads)
7865 gnus-newsgroup-reads))
7868 (defalias 'gnus-summary-mark-as-unread-forward
7869 'gnus-summary-tick-article-forward)
7870 (make-obsolete 'gnus-summary-mark-as-unread-forward
7871 'gnus-summary-tick-article-forward)
7872 (defun gnus-summary-tick-article-forward (n)
7873 "Tick N articles forwards.
7874 If N is negative, tick backwards instead.
7875 The difference between N and the number of articles ticked is returned."
7877 (gnus-summary-mark-forward n gnus-ticked-mark))
7879 (defalias 'gnus-summary-mark-as-unread-backward
7880 'gnus-summary-tick-article-backward)
7881 (make-obsolete 'gnus-summary-mark-as-unread-backward
7882 'gnus-summary-tick-article-backward)
7883 (defun gnus-summary-tick-article-backward (n)
7884 "Tick N articles backwards.
7885 The difference between N and the number of articles ticked is returned."
7887 (gnus-summary-mark-forward (- n) gnus-ticked-mark))
7889 (defalias 'gnus-summary-mark-as-unread 'gnus-summary-tick-article)
7890 (make-obsolete 'gnus-summary-mark-as-unread 'gnus-summary-tick-article)
7891 (defun gnus-summary-tick-article (&optional article clear-mark)
7892 "Mark current article as unread.
7893 Optional 1st argument ARTICLE specifies article number to be marked as unread.
7894 Optional 2nd argument CLEAR-MARK remove any kinds of mark."
7896 (gnus-summary-mark-article article (if clear-mark gnus-unread-mark
7899 (defun gnus-summary-mark-as-read-forward (n)
7900 "Mark N articles as read forwards.
7901 If N is negative, mark backwards instead.
7902 The difference between N and the actual number of articles marked is
7905 (gnus-summary-mark-forward n gnus-del-mark t))
7907 (defun gnus-summary-mark-as-read-backward (n)
7908 "Mark the N articles as read backwards.
7909 The difference between N and the actual number of articles marked is
7912 (gnus-summary-mark-forward (- n) gnus-del-mark t))
7914 (defun gnus-summary-mark-as-read (&optional article mark)
7915 "Mark current article as read.
7916 ARTICLE specifies the article to be marked as read.
7917 MARK specifies a string to be inserted at the beginning of the line."
7918 (gnus-summary-mark-article article mark))
7920 (defun gnus-summary-clear-mark-forward (n)
7921 "Clear marks from N articles forward.
7922 If N is negative, clear backward instead.
7923 The difference between N and the number of marks cleared is returned."
7925 (gnus-summary-mark-forward n gnus-unread-mark))
7927 (defun gnus-summary-clear-mark-backward (n)
7928 "Clear marks from N articles backward.
7929 The difference between N and the number of marks cleared is returned."
7931 (gnus-summary-mark-forward (- n) gnus-unread-mark))
7933 (defun gnus-summary-mark-unread-as-read ()
7934 "Intended to be used by `gnus-summary-mark-article-hook'."
7935 (when (memq gnus-current-article gnus-newsgroup-unreads)
7936 (gnus-summary-mark-article gnus-current-article gnus-read-mark)))
7938 (defun gnus-summary-mark-read-and-unread-as-read ()
7939 "Intended to be used by `gnus-summary-mark-article-hook'."
7940 (let ((mark (gnus-summary-article-mark)))
7941 (when (or (gnus-unread-mark-p mark)
7942 (gnus-read-mark-p mark))
7943 (gnus-summary-mark-article gnus-current-article gnus-read-mark))))
7945 (defun gnus-summary-mark-region-as-read (point mark all)
7946 "Mark all unread articles between point and mark as read.
7947 If given a prefix, mark all articles between point and mark as read,
7948 even ticked and dormant ones."
7949 (interactive "r\nP")
7958 (memq (setq article (gnus-summary-article-number))
7959 gnus-newsgroup-unreads))
7960 (gnus-summary-mark-article article gnus-del-mark))
7962 (gnus-summary-find-next))))))
7964 (defun gnus-summary-mark-below (score mark)
7965 "Mark articles with score less than SCORE with MARK."
7966 (interactive "P\ncMark: ")
7967 (setq score (if score
7968 (prefix-numeric-value score)
7969 (or gnus-summary-default-score 0)))
7971 (set-buffer gnus-summary-buffer)
7972 (goto-char (point-min))
7975 (and (< (gnus-summary-article-score) score)
7976 (gnus-summary-mark-article nil mark))
7977 (gnus-summary-find-next)))))
7979 (defun gnus-summary-kill-below (&optional score)
7980 "Mark articles with score below SCORE as read."
7982 (gnus-summary-mark-below score gnus-killed-mark))
7984 (defun gnus-summary-clear-above (&optional score)
7985 "Clear all marks from articles with score above SCORE."
7987 (gnus-summary-mark-above score gnus-unread-mark))
7989 (defun gnus-summary-tick-above (&optional score)
7990 "Tick all articles with score above SCORE."
7992 (gnus-summary-mark-above score gnus-ticked-mark))
7994 (defun gnus-summary-mark-above (score mark)
7995 "Mark articles with score over SCORE with MARK."
7996 (interactive "P\ncMark: ")
7997 (setq score (if score
7998 (prefix-numeric-value score)
7999 (or gnus-summary-default-score 0)))
8001 (set-buffer gnus-summary-buffer)
8002 (goto-char (point-min))
8004 (when (> (gnus-summary-article-score) score)
8005 (gnus-summary-mark-article nil mark))
8007 (gnus-summary-find-next)))))
8009 ;; Suggested by Daniel Quinlan <quinlan@best.com>.
8010 (defalias 'gnus-summary-show-all-expunged 'gnus-summary-limit-include-expunged)
8011 (defun gnus-summary-limit-include-expunged (&optional no-error)
8012 "Display all the hidden articles that were expunged for low scores."
8014 (let ((buffer-read-only nil))
8015 (let ((scored gnus-newsgroup-scored)
8018 (unless (gnus-summary-goto-subject (caar scored))
8019 (and (setq h (gnus-summary-article-header (caar scored)))
8020 (< (cdar scored) gnus-summary-expunge-below)
8022 (setq scored (cdr scored)))
8024 (when (not no-error)
8025 (error "No expunged articles hidden"))
8026 (goto-char (point-min))
8027 (gnus-summary-prepare-unthreaded (nreverse headers))
8028 (goto-char (point-min))
8029 (gnus-summary-position-point)
8032 (defun gnus-summary-catchup (&optional all quietly to-here not-mark)
8033 "Mark all unread articles in this newsgroup as read.
8034 If prefix argument ALL is non-nil, ticked and dormant articles will
8035 also be marked as read.
8036 If QUIETLY is non-nil, no questions will be asked.
8037 If TO-HERE is non-nil, it should be a point in the buffer. All
8038 articles before this point will be marked as read.
8039 Note that this function will only catch up the unread article
8040 in the current summary buffer limitation.
8041 The number of articles marked as read is returned."
8046 (not gnus-interactive-catchup) ;Without confirmation?
8050 "Mark absolutely all articles as read? "
8051 "Mark all unread articles as read? ")))
8053 (not gnus-newsgroup-adaptive)
8054 (not gnus-newsgroup-auto-expire)
8055 (not gnus-suppress-duplicates)
8056 (or (not gnus-use-cache)
8057 (eq gnus-use-cache 'passive)))
8060 (setq gnus-newsgroup-marked nil
8061 gnus-newsgroup-dormant nil))
8062 (setq gnus-newsgroup-unreads gnus-newsgroup-downloadable))
8063 ;; We actually mark all articles as canceled, which we
8064 ;; have to do when using auto-expiry or adaptive scoring.
8065 (gnus-summary-show-all-threads)
8066 (when (gnus-summary-first-subject (not all))
8068 (if to-here (< (point) to-here) t)
8069 (gnus-summary-mark-article-as-read gnus-catchup-mark)
8070 (gnus-summary-find-next (not all)))))
8071 (gnus-set-mode-line 'summary))
8073 (gnus-summary-position-point)))
8075 (defun gnus-summary-catchup-to-here (&optional all)
8076 "Mark all unticked articles before the current one as read.
8077 If ALL is non-nil, also mark ticked and dormant articles as read."
8080 (gnus-save-hidden-threads
8081 (let ((beg (point)))
8082 ;; We check that there are unread articles.
8083 (when (or all (gnus-summary-find-prev))
8084 (gnus-summary-catchup all t beg)))))
8085 (gnus-summary-position-point))
8087 (defun gnus-summary-catchup-all (&optional quietly)
8088 "Mark all articles in this newsgroup as read."
8090 (gnus-summary-catchup t quietly))
8092 (defun gnus-summary-catchup-and-exit (&optional all quietly)
8093 "Mark all articles not marked as unread in this newsgroup as read, then exit.
8094 If prefix argument ALL is non-nil, all articles are marked as read."
8096 (when (gnus-summary-catchup all quietly nil 'fast)
8097 ;; Select next newsgroup or exit.
8098 (if (eq gnus-auto-select-next 'quietly)
8099 (gnus-summary-next-group nil)
8100 (gnus-summary-exit))))
8102 (defun gnus-summary-catchup-all-and-exit (&optional quietly)
8103 "Mark all articles in this newsgroup as read, and then exit."
8105 (gnus-summary-catchup-and-exit t quietly))
8107 ;; Suggested by "Arne Eofsson" <arne@hodgkin.mbi.ucla.edu>.
8108 (defun gnus-summary-catchup-and-goto-next-group (&optional all)
8109 "Mark all articles in this group as read and select the next group.
8110 If given a prefix, mark all articles, unread as well as ticked, as
8114 (gnus-summary-catchup all))
8115 (gnus-summary-next-article t nil nil t))
8117 ;; Thread-based commands.
8119 (defun gnus-summary-articles-in-thread (&optional article)
8120 "Return a list of all articles in the current thread.
8121 If ARTICLE is non-nil, return all articles in the thread that starts
8123 (let* ((article (or article (gnus-summary-article-number)))
8124 (data (gnus-data-find-list article))
8125 (top-level (gnus-data-level (car data)))
8127 (cond ((null gnus-thread-operation-ignore-subject)
8128 (gnus-simplify-subject-re
8129 (mail-header-subject (gnus-data-header (car data)))))
8130 ((eq gnus-thread-operation-ignore-subject 'fuzzy)
8131 (gnus-simplify-subject-fuzzy
8132 (mail-header-subject (gnus-data-header (car data)))))
8134 (end-point (save-excursion
8135 (if (gnus-summary-go-to-next-thread)
8136 (point) (point-max))))
8139 (< (gnus-data-pos (car data)) end-point))
8140 (when (or (not top-subject)
8141 (string= top-subject
8142 (if (eq gnus-thread-operation-ignore-subject 'fuzzy)
8143 (gnus-simplify-subject-fuzzy
8144 (mail-header-subject
8145 (gnus-data-header (car data))))
8146 (gnus-simplify-subject-re
8147 (mail-header-subject
8148 (gnus-data-header (car data)))))))
8149 (push (gnus-data-number (car data)) articles))
8150 (unless (and (setq data (cdr data))
8151 (> (gnus-data-level (car data)) top-level))
8153 ;; Return the list of articles.
8154 (nreverse articles)))
8156 (defun gnus-summary-rethread-current ()
8157 "Rethread the thread the current article is part of."
8159 (let* ((gnus-show-threads t)
8160 (article (gnus-summary-article-number))
8161 (id (mail-header-id (gnus-summary-article-header)))
8162 (gnus-newsgroup-threads (list (gnus-id-to-thread (gnus-root-id id)))))
8164 (error "No article on the current line"))
8165 (gnus-rebuild-thread id)
8166 (gnus-summary-goto-subject article)))
8168 (defun gnus-summary-reparent-thread ()
8169 "Make the current article child of the marked (or previous) article.
8171 Note that the re-threading will only work if `gnus-thread-ignore-subject'
8172 is non-nil or the Subject: of both articles are the same."
8174 (unless (not (gnus-group-read-only-p))
8175 (error "The current newsgroup does not support article editing"))
8176 (unless (<= (length gnus-newsgroup-processable) 1)
8177 (error "No more than one article may be marked"))
8178 (save-window-excursion
8179 (let ((gnus-article-buffer " *reparent*")
8180 (current-article (gnus-summary-article-number))
8181 ;; First grab the marked article, otherwise one line up.
8182 (parent-article (if (not (null gnus-newsgroup-processable))
8183 (car gnus-newsgroup-processable)
8185 (if (eq (forward-line -1) 0)
8186 (gnus-summary-article-number)
8187 (error "Beginning of summary buffer"))))))
8188 (unless (not (eq current-article parent-article))
8189 (error "An article may not be self-referential"))
8190 (let ((message-id (mail-header-id
8191 (gnus-summary-article-header parent-article))))
8192 (unless (and message-id (not (equal message-id "")))
8193 (error "No message-id in desired parent"))
8194 ;; We don't want the article to be marked as read.
8195 (let (gnus-mark-article-hook)
8196 (gnus-summary-select-article t t nil current-article))
8197 (set-buffer gnus-original-article-buffer)
8198 (let ((buf (format "%s" (buffer-string))))
8199 (nnheader-temp-write nil
8201 (goto-char (point-min))
8202 (if (re-search-forward "^References: " nil t)
8204 (re-search-forward "^[^ \t]" nil t)
8207 (insert " " message-id))
8208 (insert "References: " message-id "\n"))
8209 (unless (gnus-request-replace-article
8210 current-article (car gnus-article-current)
8212 (error "Couldn't replace article"))))
8213 (set-buffer gnus-summary-buffer)
8214 (gnus-summary-unmark-all-processable)
8215 (gnus-summary-update-article current-article)
8216 (gnus-summary-rethread-current)
8217 (gnus-message 3 "Article %d is now the child of article %d"
8218 current-article parent-article)))))
8220 (defun gnus-summary-toggle-threads (&optional arg)
8221 "Toggle showing conversation threads.
8222 If ARG is positive number, turn showing conversation threads on."
8224 (let ((current (or (gnus-summary-article-number) gnus-newsgroup-end)))
8225 (setq gnus-show-threads
8226 (if (null arg) (not gnus-show-threads)
8227 (> (prefix-numeric-value arg) 0)))
8228 (gnus-summary-prepare)
8229 (gnus-summary-goto-subject current)
8230 (gnus-message 6 "Threading is now %s" (if gnus-show-threads "on" "off"))
8231 (gnus-summary-position-point)))
8233 (defun gnus-summary-show-all-threads ()
8237 (let ((buffer-read-only nil))
8238 (subst-char-in-region (point-min) (point-max) ?\^M ?\n t)))
8239 (gnus-summary-position-point))
8241 (defun gnus-summary-show-thread ()
8242 "Show thread subtrees.
8243 Returns nil if no thread was there to be shown."
8245 (let ((buffer-read-only nil)
8247 ;; first goto end then to beg, to have point at beg after let
8248 (end (progn (end-of-line) (point)))
8249 (beg (progn (beginning-of-line) (point))))
8251 ;; Any hidden lines here?
8252 (search-forward "\r" end t)
8253 (subst-char-in-region beg end ?\^M ?\n t)
8255 (gnus-summary-position-point))))
8257 (defun gnus-summary-hide-all-threads ()
8258 "Hide all thread subtrees."
8261 (goto-char (point-min))
8262 (gnus-summary-hide-thread)
8263 (while (zerop (gnus-summary-next-thread 1 t))
8264 (gnus-summary-hide-thread)))
8265 (gnus-summary-position-point))
8267 (defun gnus-summary-hide-thread ()
8268 "Hide thread subtrees.
8269 Returns nil if no threads were there to be hidden."
8271 (let ((buffer-read-only nil)
8273 (article (gnus-summary-article-number)))
8275 ;; Go forward until either the buffer ends or the subthread
8277 (when (and (not (eobp))
8278 (or (zerop (gnus-summary-next-thread 1 t))
8279 (goto-char (point-max))))
8281 (if (and (> (point) start)
8282 (search-backward "\n" start t))
8284 (subst-char-in-region start (point) ?\n ?\^M)
8285 (gnus-summary-goto-subject article))
8288 ;;(gnus-summary-position-point)
8291 (defun gnus-summary-go-to-next-thread (&optional previous)
8292 "Go to the same level (or less) next thread.
8293 If PREVIOUS is non-nil, go to previous thread instead.
8294 Return the article number moved to, or nil if moving was impossible."
8295 (let ((level (gnus-summary-thread-level))
8296 (way (if previous -1 1))
8299 (while (and (not (eobp))
8300 (< level (gnus-summary-thread-level)))
8308 (gnus-summary-article-number)
8311 (defun gnus-summary-next-thread (n &optional silent)
8312 "Go to the same level next N'th thread.
8313 If N is negative, search backward instead.
8314 Returns the difference between N and the number of skips actually
8317 If SILENT, don't output messages."
8319 (let ((backward (< n 0))
8322 (gnus-summary-go-to-next-thread backward))
8325 (gnus-summary-position-point))
8326 (when (and (not silent) (/= 0 n))
8327 (gnus-message 7 "No more threads"))
8330 (defun gnus-summary-prev-thread (n)
8331 "Go to the same level previous N'th thread.
8332 Returns the difference between N and the number of skips actually
8335 (gnus-summary-next-thread (- n)))
8337 (defun gnus-summary-go-down-thread ()
8338 "Go down one level in the current thread."
8339 (let ((children (gnus-summary-article-children)))
8341 (gnus-summary-goto-subject (car children)))))
8343 (defun gnus-summary-go-up-thread ()
8344 "Go up one level in the current thread."
8345 (let ((parent (gnus-summary-article-parent)))
8347 (gnus-summary-goto-subject parent))))
8349 (defun gnus-summary-down-thread (n)
8350 "Go down thread N steps.
8351 If N is negative, go up instead.
8352 Returns the difference between N and how many steps down that were
8358 (if up (gnus-summary-go-up-thread)
8359 (gnus-summary-go-down-thread)))
8361 (gnus-summary-position-point)
8363 (gnus-message 7 "Can't go further"))
8366 (defun gnus-summary-up-thread (n)
8367 "Go up thread N steps.
8368 If N is negative, go up instead.
8369 Returns the difference between N and how many steps down that were
8372 (gnus-summary-down-thread (- n)))
8374 (defun gnus-summary-top-thread ()
8375 "Go to the top of the thread."
8377 (while (gnus-summary-go-up-thread))
8378 (gnus-summary-article-number))
8380 (defun gnus-summary-kill-thread (&optional unmark)
8381 "Mark articles under current thread as read.
8382 If the prefix argument is positive, remove any kinds of marks.
8383 If the prefix argument is negative, tick articles instead."
8386 (setq unmark (prefix-numeric-value unmark)))
8387 (let ((articles (gnus-summary-articles-in-thread)))
8389 ;; Expand the thread.
8390 (gnus-summary-show-thread)
8391 ;; Mark all the articles.
8393 (gnus-summary-goto-subject (car articles))
8394 (cond ((null unmark)
8395 (gnus-summary-mark-article-as-read gnus-killed-mark))
8397 (gnus-summary-mark-article-as-unread gnus-unread-mark))
8399 (gnus-summary-mark-article-as-unread gnus-ticked-mark)))
8400 (setq articles (cdr articles))))
8401 ;; Hide killed subtrees.
8403 gnus-thread-hide-killed
8404 (gnus-summary-hide-thread))
8405 ;; If marked as read, go to next unread subject.
8407 ;; Go to next unread subject.
8408 (gnus-summary-next-subject 1 t)))
8409 (gnus-set-mode-line 'summary))
8411 ;; Summary sorting commands
8413 (defun gnus-summary-sort-by-number (&optional reverse)
8414 "Sort the summary buffer by article number.
8415 Argument REVERSE means reverse order."
8417 (gnus-summary-sort 'number reverse))
8419 (defun gnus-summary-sort-by-author (&optional reverse)
8420 "Sort the summary buffer by author name alphabetically.
8421 If case-fold-search is non-nil, case of letters is ignored.
8422 Argument REVERSE means reverse order."
8424 (gnus-summary-sort 'author reverse))
8426 (defun gnus-summary-sort-by-subject (&optional reverse)
8427 "Sort the summary buffer by subject alphabetically. `Re:'s are ignored.
8428 If case-fold-search is non-nil, case of letters is ignored.
8429 Argument REVERSE means reverse order."
8431 (gnus-summary-sort 'subject reverse))
8433 (defun gnus-summary-sort-by-date (&optional reverse)
8434 "Sort the summary buffer by date.
8435 Argument REVERSE means reverse order."
8437 (gnus-summary-sort 'date reverse))
8439 (defun gnus-summary-sort-by-score (&optional reverse)
8440 "Sort the summary buffer by score.
8441 Argument REVERSE means reverse order."
8443 (gnus-summary-sort 'score reverse))
8445 (defun gnus-summary-sort-by-lines (&optional reverse)
8446 "Sort the summary buffer by article length.
8447 Argument REVERSE means reverse order."
8449 (gnus-summary-sort 'lines reverse))
8451 (defun gnus-summary-sort (predicate reverse)
8452 "Sort summary buffer by PREDICATE. REVERSE means reverse order."
8453 (let* ((thread (intern (format "gnus-thread-sort-by-%s" predicate)))
8454 (article (intern (format "gnus-article-sort-by-%s" predicate)))
8455 (gnus-thread-sort-functions
8461 (gnus-article-sort-functions
8466 (,article t2 t1)))))
8468 (gnus-summary-prepare-hook nil))
8469 ;; We do the sorting by regenerating the threads.
8470 (gnus-summary-prepare)
8471 ;; Hide subthreads if needed.
8472 (when (and gnus-show-threads gnus-thread-hide-subtree)
8473 (gnus-summary-hide-all-threads))))
8475 ;; Summary saving commands.
8477 (defun gnus-summary-save-article (&optional n not-saved)
8478 "Save the current article using the default saver function.
8479 If N is a positive number, save the N next articles.
8480 If N is a negative number, save the N previous articles.
8481 If N is nil and any articles have been marked with the process mark,
8482 save those articles instead.
8483 The variable `gnus-default-article-saver' specifies the saver function."
8485 (let* ((articles (gnus-summary-work-articles n))
8486 (save-buffer (save-excursion
8487 (nnheader-set-temp-buffer " *Gnus Save*")))
8488 (num (length articles))
8489 header article file)
8491 (setq header (gnus-summary-article-header
8492 (setq article (pop articles))))
8493 (if (not (vectorp header))
8494 ;; This is a pseudo-article.
8495 (if (assq 'name header)
8496 (gnus-copy-file (cdr (assq 'name header)))
8497 (gnus-message 1 "Article %d is unsaveable" article))
8498 ;; This is a real article.
8499 (save-window-excursion
8500 (gnus-summary-select-article t nil nil article))
8502 (set-buffer save-buffer)
8504 (insert-buffer-substring gnus-original-article-buffer))
8505 (setq file (gnus-article-save save-buffer file num))
8506 (gnus-summary-remove-process-mark article)
8508 (gnus-summary-set-saved-mark article))))
8509 (gnus-kill-buffer save-buffer)
8510 (gnus-summary-position-point)
8511 (gnus-set-mode-line 'summary)
8514 (defun gnus-summary-pipe-output (&optional arg)
8515 "Pipe the current article to a subprocess.
8516 If N is a positive number, pipe the N next articles.
8517 If N is a negative number, pipe the N previous articles.
8518 If N is nil and any articles have been marked with the process mark,
8519 pipe those articles instead."
8521 (let ((gnus-default-article-saver 'gnus-summary-save-in-pipe))
8522 (gnus-summary-save-article arg t))
8523 (gnus-configure-windows 'pipe))
8525 (defun gnus-summary-save-article-mail (&optional arg)
8526 "Append the current article to an mail file.
8527 If N is a positive number, save the N next articles.
8528 If N is a negative number, save the N previous articles.
8529 If N is nil and any articles have been marked with the process mark,
8530 save those articles instead."
8532 (let ((gnus-default-article-saver 'gnus-summary-save-in-mail))
8533 (gnus-summary-save-article arg)))
8535 (defun gnus-summary-save-article-rmail (&optional arg)
8536 "Append the current article to an rmail file.
8537 If N is a positive number, save the N next articles.
8538 If N is a negative number, save the N previous articles.
8539 If N is nil and any articles have been marked with the process mark,
8540 save those articles instead."
8542 (let ((gnus-default-article-saver 'gnus-summary-save-in-rmail))
8543 (gnus-summary-save-article arg)))
8545 (defun gnus-summary-save-article-file (&optional arg)
8546 "Append the current article to a file.
8547 If N is a positive number, save the N next articles.
8548 If N is a negative number, save the N previous articles.
8549 If N is nil and any articles have been marked with the process mark,
8550 save those articles instead."
8552 (let ((gnus-default-article-saver 'gnus-summary-save-in-file))
8553 (gnus-summary-save-article arg)))
8555 (defun gnus-summary-write-article-file (&optional arg)
8556 "Write the current article to a file, deleting the previous file.
8557 If N is a positive number, save the N next articles.
8558 If N is a negative number, save the N previous articles.
8559 If N is nil and any articles have been marked with the process mark,
8560 save those articles instead."
8562 (let ((gnus-default-article-saver 'gnus-summary-write-to-file))
8563 (gnus-summary-save-article arg)))
8565 (defun gnus-summary-save-article-body-file (&optional arg)
8566 "Append the current article body to a file.
8567 If N is a positive number, save the N next articles.
8568 If N is a negative number, save the N previous articles.
8569 If N is nil and any articles have been marked with the process mark,
8570 save those articles instead."
8572 (let ((gnus-default-article-saver 'gnus-summary-save-body-in-file))
8573 (gnus-summary-save-article arg)))
8575 (defun gnus-summary-pipe-message (program)
8576 "Pipe the current article through PROGRAM."
8577 (interactive "sProgram: ")
8578 (gnus-summary-select-article)
8579 (let ((mail-header-separator "")
8580 (art-buf (get-buffer gnus-article-buffer)))
8581 (gnus-eval-in-buffer-window gnus-article-buffer
8584 (let ((start (window-start))
8586 (message-pipe-buffer-body program)
8587 (set-window-start (get-buffer-window (current-buffer)) start))))))
8589 (defun gnus-get-split-value (methods)
8590 "Return a value based on the split METHODS."
8591 (let (split-name method result match)
8594 (set-buffer gnus-original-article-buffer)
8596 (nnheader-narrow-to-headers)
8598 (goto-char (point-min))
8599 (setq method (pop methods))
8600 (setq match (car method))
8603 ;; Regular expression.
8605 (re-search-forward match nil t)))
8606 ((gnus-functionp match)
8610 (setq result (funcall match gnus-newsgroup-name))))
8615 (setq result (eval match)))))
8616 (setq split-name (append (cdr method) split-name))
8617 (cond ((stringp result)
8618 (push (expand-file-name
8619 result gnus-article-save-directory)
8622 (setq split-name (append result split-name)))))))))
8625 (defun gnus-valid-move-group-p (group)
8630 (car (gnus-find-method-for-group
8631 (symbol-name group))))
8632 gnus-valid-select-methods))))
8634 (defun gnus-read-move-group-name (prompt default articles prefix)
8635 "Read a group name."
8636 (let* ((split-name (gnus-get-split-value gnus-move-split-methods))
8637 (minibuffer-confirm-incomplete nil) ; XEmacs
8641 (if (> (length articles) 1)
8642 (format "these %d articles" (length articles))
8647 (gnus-completing-read default prom
8649 'gnus-valid-move-group-p
8651 'gnus-group-history))
8652 ((= 1 (length split-name))
8653 (gnus-completing-read (car split-name) prom
8655 'gnus-valid-move-group-p
8657 'gnus-group-history))
8659 (gnus-completing-read nil prom
8660 (mapcar (lambda (el) (list el))
8661 (nreverse split-name))
8663 'gnus-group-history)))))
8665 (if (or (string= to-newsgroup "")
8666 (string= to-newsgroup prefix))
8667 (setq to-newsgroup default))
8668 (unless to-newsgroup
8669 (error "No group name entered"))
8670 (or (gnus-active to-newsgroup)
8671 (gnus-activate-group to-newsgroup)
8672 (if (gnus-y-or-n-p (format "No such group: %s. Create it? "
8674 (or (and (gnus-request-create-group
8675 to-newsgroup (gnus-group-name-to-method to-newsgroup))
8676 (gnus-activate-group to-newsgroup nil nil
8677 (gnus-group-name-to-method
8679 (error "Couldn't create group %s" to-newsgroup)))
8680 (error "No such group: %s" to-newsgroup)))
8683 ;; Summary extract commands
8685 (defun gnus-summary-insert-pseudos (pslist &optional not-view)
8686 (let ((buffer-read-only nil)
8687 (article (gnus-summary-article-number))
8689 (unless (gnus-summary-goto-subject article)
8690 (error "No such article: %d" article))
8691 (gnus-summary-position-point)
8692 ;; If all commands are to be bunched up on one line, we collect
8694 (unless gnus-view-pseudos-separately
8695 (let ((ps (setq pslist (sort pslist 'gnus-pseudos<)))
8698 (setq action (cdr (assq 'action (car ps))))
8699 (setq files (list (cdr (assq 'name (car ps)))))
8700 (while (and ps (cdr ps)
8701 (string= (or action "1")
8702 (or (cdr (assq 'action (cadr ps))) "2")))
8703 (push (cdr (assq 'name (cadr ps))) files)
8704 (setcdr ps (cddr ps)))
8706 (when (not (string-match "%s" action))
8709 (when (assq 'execute (car ps))
8710 (setcdr (assq 'execute (car ps))
8711 (funcall (if (string-match "%s" action)
8718 (gnus-quote-arg-for-sh-or-csh f)))
8720 (setq ps (cdr ps)))))
8721 (if (and gnus-view-pseudos (not not-view))
8723 (when (assq 'execute (car pslist))
8724 (gnus-execute-command (cdr (assq 'execute (car pslist)))
8725 (eq gnus-view-pseudos 'not-confirm)))
8726 (setq pslist (cdr pslist)))
8729 (setq after-article (or (cdr (assq 'article (car pslist)))
8730 (gnus-summary-article-number)))
8731 (gnus-summary-goto-subject after-article)
8734 (insert " " (file-name-nondirectory
8735 (cdr (assq 'name (car pslist))))
8736 ": " (or (cdr (assq 'execute (car pslist))) "") "\n")
8738 (forward-line -1) ; back to `b'
8739 (gnus-add-text-properties
8740 b (1- e) (list 'gnus-number gnus-reffed-article-number
8741 gnus-mouse-face-prop gnus-mouse-face))
8743 after-article gnus-reffed-article-number
8744 gnus-unread-mark b (car pslist) 0 (- e b))
8745 (push gnus-reffed-article-number gnus-newsgroup-unreads)
8746 (setq gnus-reffed-article-number (1- gnus-reffed-article-number))
8747 (setq pslist (cdr pslist)))))))
8749 (defun gnus-pseudos< (p1 p2)
8750 (let ((c1 (cdr (assq 'action p1)))
8751 (c2 (cdr (assq 'action p2))))
8752 (and c1 c2 (string< c1 c2))))
8754 (defun gnus-request-pseudo-article (props)
8755 (cond ((assq 'execute props)
8756 (gnus-execute-command (cdr (assq 'execute props)))))
8757 (let ((gnus-current-article (gnus-summary-article-number)))
8758 (gnus-run-hooks 'gnus-mark-article-hook)))
8760 (defun gnus-execute-command (command &optional automatic)
8762 (gnus-article-setup-buffer)
8763 (set-buffer gnus-article-buffer)
8764 (setq buffer-read-only nil)
8765 (let ((command (if automatic command
8766 (read-string "Command: " (cons command 0)))))
8768 (insert "$ " command "\n\n")
8769 (if gnus-view-pseudo-asynchronously
8770 (start-process "gnus-execute" (current-buffer) shell-file-name
8771 shell-command-switch command)
8772 (call-process shell-file-name nil t nil
8773 shell-command-switch command)))))
8775 ;; Summary kill commands.
8777 (defun gnus-summary-edit-global-kill (article)
8778 "Edit the \"global\" kill file."
8779 (interactive (list (gnus-summary-article-number)))
8780 (gnus-group-edit-global-kill article))
8782 (defun gnus-summary-edit-local-kill ()
8783 "Edit a local kill file applied to the current newsgroup."
8785 (setq gnus-current-headers (gnus-summary-article-header))
8786 (gnus-group-edit-local-kill
8787 (gnus-summary-article-number) gnus-newsgroup-name))
8791 (defun gnus-read-header (id &optional header)
8792 "Read the headers of article ID and enter them into the Gnus system."
8793 (let ((group gnus-newsgroup-name)
8794 (gnus-override-method
8795 (and (gnus-news-group-p gnus-newsgroup-name)
8796 gnus-refer-article-method))
8798 ;; First we check to see whether the header in question is already
8801 ;; This is a Message-ID.
8802 (setq header (or header (gnus-id-to-header id)))
8803 ;; This is an article number.
8804 (setq header (or header (gnus-summary-article-header id))))
8806 (not (gnus-summary-article-sparse-p (mail-header-number header))))
8807 ;; We have found the header.
8809 ;; If this is a sparse article, we have to nix out its
8810 ;; previous entry in the thread hashtb.
8812 (gnus-summary-article-sparse-p (mail-header-number header)))
8813 (let* ((parent (gnus-parent-id (mail-header-references header)))
8816 (gnus-gethash parent gnus-newsgroup-dependencies))))
8818 (delq (assq header thread) thread))))
8819 ;; We have to really fetch the header to this article.
8821 (set-buffer nntp-server-buffer)
8822 (when (setq where (gnus-request-head id group))
8823 (nnheader-fold-continuation-lines)
8824 (goto-char (point-max))
8826 (goto-char (point-min))
8830 ((cdr where) (cdr where))
8831 (header (mail-header-number header))
8832 (t gnus-reffed-article-number))
8834 (insert " Article retrieved.\n"))
8836 (not (setq header (car (gnus-get-newsgroup-headers nil t)))))
8837 () ; Malformed head.
8838 (unless (gnus-summary-article-sparse-p (mail-header-number header))
8839 (when (and (stringp id)
8840 (not (string= (gnus-group-real-name group)
8842 ;; If we fetched by Message-ID and the article came
8843 ;; from a different group, we fudge some bogus article
8844 ;; numbers for this article.
8845 (mail-header-set-number header gnus-reffed-article-number))
8847 (set-buffer gnus-summary-buffer)
8848 (decf gnus-reffed-article-number)
8849 (gnus-remove-header (mail-header-number header))
8850 (push header gnus-newsgroup-headers)
8851 (setq gnus-current-headers header)
8852 (push (mail-header-number header) gnus-newsgroup-limit)))
8855 (defun gnus-remove-header (number)
8856 "Remove header NUMBER from `gnus-newsgroup-headers'."
8857 (if (and gnus-newsgroup-headers
8858 (= number (mail-header-number (car gnus-newsgroup-headers))))
8859 (pop gnus-newsgroup-headers)
8860 (let ((headers gnus-newsgroup-headers))
8861 (while (and (cdr headers)
8862 (not (= number (mail-header-number (cadr headers)))))
8865 (setcdr headers (cddr headers))))))
8868 ;;; summary highlights
8871 (defun gnus-highlight-selected-summary ()
8872 ;; Added by Per Abrahamsen <amanda@iesd.auc.dk>.
8873 ;; Highlight selected article in summary buffer
8874 (when gnus-summary-selected-face
8876 (let* ((beg (progn (beginning-of-line) (point)))
8877 (end (progn (end-of-line) (point)))
8878 ;; Fix by Mike Dugan <dugan@bucrf16.bu.edu>.
8879 (from (if (get-text-property beg gnus-mouse-face-prop)
8881 (or (next-single-property-change
8882 beg gnus-mouse-face-prop nil end)
8887 (or (next-single-property-change
8888 from gnus-mouse-face-prop nil end)
8890 ;; If no mouse-face prop on line we will have to = from = end,
8891 ;; so we highlight the entire line instead.
8892 (when (= (+ to 2) from)
8895 (if gnus-newsgroup-selected-overlay
8896 ;; Move old overlay.
8898 gnus-newsgroup-selected-overlay from to (current-buffer))
8899 ;; Create new overlay.
8901 (setq gnus-newsgroup-selected-overlay (gnus-make-overlay from to))
8902 'face gnus-summary-selected-face))))))
8904 ;; New implementation by Christian Limpach <Christian.Limpach@nice.ch>.
8905 (defun gnus-summary-highlight-line ()
8906 "Highlight current line according to `gnus-summary-highlight'."
8907 (let* ((list gnus-summary-highlight)
8909 (end (progn (end-of-line) (point)))
8910 ;; now find out where the line starts and leave point there.
8911 (beg (progn (beginning-of-line) (point)))
8912 (article (gnus-summary-article-number))
8913 (score (or (cdr (assq (or article gnus-current-article)
8914 gnus-newsgroup-scored))
8915 gnus-summary-default-score 0))
8916 (mark (or (gnus-summary-article-mark) gnus-unread-mark))
8917 (inhibit-read-only t))
8918 ;; Eval the cars of the lists until we find a match.
8919 (let ((default gnus-summary-default-score))
8921 (not (eval (caar list))))
8922 (setq list (cdr list))))
8923 (let ((face (cdar list)))
8924 (unless (eq face (get-text-property beg 'face))
8925 (gnus-put-text-property
8927 (setq face (if (boundp face) (symbol-value face) face)))
8928 (when gnus-summary-highlight-line-function
8929 (funcall gnus-summary-highlight-line-function article face))))
8932 (defun gnus-update-read-articles (group unread &optional compute)
8933 "Update the list of read articles in GROUP."
8934 (let* ((active (or gnus-newsgroup-active (gnus-active group)))
8935 (entry (gnus-gethash group gnus-newsrc-hashtb))
8936 (info (nth 2 entry))
8938 (unread (sort (copy-sequence unread) '<))
8940 (if (or (not info) (not active))
8941 ;; There is no info on this group if it was, in fact,
8942 ;; killed. Gnus stores no information on killed groups, so
8943 ;; there's nothing to be done.
8944 ;; One could store the information somewhere temporarily,
8945 ;; perhaps... Hmmm...
8947 ;; Remove any negative articles numbers.
8948 (while (and unread (< (car unread) 0))
8949 (setq unread (cdr unread)))
8950 ;; Remove any expired article numbers
8951 (while (and unread (< (car unread) (car active)))
8952 (setq unread (cdr unread)))
8953 ;; Compute the ranges of read articles by looking at the list of
8956 (when (/= (car unread) prev)
8957 (push (if (= prev (1- (car unread))) prev
8958 (cons prev (1- (car unread))))
8960 (setq prev (1+ (car unread)))
8961 (setq unread (cdr unread)))
8962 (when (<= prev (cdr active))
8963 (push (cons prev (cdr active)) read))
8965 (if (> (length read) 1) (nreverse read) read)
8967 (set-buffer gnus-group-buffer)
8970 (gnus-info-set-marks ',info ',(gnus-info-marks info) t)
8971 (gnus-info-set-read ',info ',(gnus-info-read info))
8972 (gnus-get-unread-articles-in-group ',info (gnus-active ,group))
8973 (gnus-group-update-group ,group t))))
8974 ;; Enter this list into the group info.
8976 info (if (> (length read) 1) (nreverse read) read))
8977 ;; Set the number of unread articles in gnus-newsrc-hashtb.
8978 (gnus-get-unread-articles-in-group info (gnus-active group))
8981 (defun gnus-offer-save-summaries ()
8982 "Offer to save all active summary buffers."
8984 (let ((buflist (buffer-list))
8986 ;; Go through all buffers and find all summaries.
8988 (and (setq bufname (buffer-name (car buflist)))
8989 (string-match "Summary" bufname)
8991 (set-buffer bufname)
8992 ;; We check that this is, indeed, a summary buffer.
8993 (and (eq major-mode 'gnus-summary-mode)
8994 ;; Also make sure this isn't bogus.
8995 gnus-newsgroup-prepared
8996 ;; Also make sure that this isn't a dead summary buffer.
8997 (not gnus-dead-summary-mode)))
8998 (push bufname buffers))
8999 (setq buflist (cdr buflist)))
9000 ;; Go through all these summary buffers and offer to save them.
9003 "Update summary buffer %s? "
9005 (switch-to-buffer buf)
9006 (gnus-summary-exit))
9010 ;;; @ for mime-partial
9013 (defun gnus-mime-partial-preview-function ()
9014 (gnus-summary-preview-mime-message (gnus-summary-article-number))
9017 (autoload 'mime-combine-message/partials-automatically
9019 "Internal method to combine message/partial messages automatically.")
9021 (set-atype 'mime-acting-condition
9022 '((type . "message/partial")
9023 (method . mime-combine-message/partials-automatically)
9024 (major-mode . gnus-original-article-mode)
9025 (summary-buffer-exp . gnus-summary-buffer)
9028 (set-alist 'mime-view-partial-message-method-alist
9029 'gnus-original-article-mode
9030 'gnus-mime-partial-preview-function)
9040 (run-hooks 'gnus-sum-load-hook)
9042 ;;; gnus-sum.el ends here