1 ;;; gnus-sum.el --- summary mode commands for Gnus
2 ;; Copyright (C) 1996,97,98 Free Software Foundation, Inc.
4 ;; Author: Lars Magne Ingebrigtsen <larsi@ifi.uio.no>
7 ;; This file is part of GNU Emacs.
9 ;; GNU Emacs is free software; you can redistribute it and/or modify
10 ;; it under the terms of the GNU General Public License as published by
11 ;; the Free Software Foundation; either version 2, or (at your option)
14 ;; GNU Emacs is distributed in the hope that it will be useful,
15 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
16 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 ;; GNU General Public License for more details.
19 ;; You should have received a copy of the GNU General Public License
20 ;; along with GNU Emacs; see the file COPYING. If not, write to the
21 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
22 ;; Boston, MA 02111-1307, USA.
28 (eval-when-compile (require 'cl))
36 (autoload 'gnus-summary-limit-include-cached "gnus-cache" nil t)
38 (defcustom gnus-kill-summary-on-exit t
39 "*If non-nil, kill the summary buffer when you exit from it.
40 If nil, the summary will become a \"*Dead Summary*\" buffer, and
41 it will be killed sometime later."
42 :group 'gnus-summary-exit
45 (defcustom gnus-fetch-old-headers nil
46 "*Non-nil means that Gnus will try to build threads by grabbing old headers.
47 If an unread article in the group refers to an older, already read (or
48 just marked as read) article, the old article will not normally be
49 displayed in the Summary buffer. If this variable is non-nil, Gnus
50 will attempt to grab the headers to the old articles, and thereby
51 build complete threads. If it has the value `some', only enough
52 headers to connect otherwise loose threads will be displayed. This
53 variable can also be a number. In that case, no more than that number
54 of old headers will be fetched. If it has the value `invisible', all
55 old headers will be fetched, but none will be displayed.
57 The server has to support NOV for any of this to work."
59 :type '(choice (const :tag "off" nil)
62 (sexp :menu-tag "other" t)))
64 (defcustom gnus-refer-thread-limit 200
65 "*The number of old headers to fetch when doing \\<gnus-summary-mode-map>\\[gnus-summary-refer-thread].
66 If t, fetch all the available old headers."
69 (sexp :menu-tag "other" t)))
71 (defcustom gnus-summary-make-false-root 'adopt
72 "*nil means that Gnus won't gather loose threads.
73 If the root of a thread has expired or been read in a previous
74 session, the information necessary to build a complete thread has been
75 lost. Instead of having many small sub-threads from this original thread
76 scattered all over the summary buffer, Gnus can gather them.
78 If non-nil, Gnus will try to gather all loose sub-threads from an
79 original thread into one large thread.
81 If this variable is non-nil, it should be one of `none', `adopt',
84 If this variable is `none', Gnus will not make a false root, but just
85 present the sub-threads after another.
86 If this variable is `dummy', Gnus will create a dummy root that will
87 have all the sub-threads as children.
88 If this variable is `adopt', Gnus will make one of the \"children\"
89 the parent and mark all the step-children as such.
90 If this variable is `empty', the \"children\" are printed with empty
91 subject fields. (Or rather, they will be printed with a string
92 given by the `gnus-summary-same-subject' variable.)"
94 :type '(choice (const :tag "off" nil)
100 (defcustom gnus-summary-gather-exclude-subject "^ *$\\|^(none)$"
101 "*A regexp to match subjects to be excluded from loose thread gathering.
102 As loose thread gathering is done on subjects only, that means that
103 there can be many false gatherings performed. By rooting out certain
104 common subjects, gathering might become saner."
108 (defcustom gnus-summary-gather-subject-limit nil
109 "*Maximum length of subject comparisons when gathering loose threads.
110 Use nil to compare full subjects. Setting this variable to a low
111 number will help gather threads that have been corrupted by
112 newsreaders chopping off subject lines, but it might also mean that
113 unrelated articles that have subject that happen to begin with the
114 same few characters will be incorrectly gathered.
116 If this variable is `fuzzy', Gnus will use a fuzzy algorithm when
119 :type '(choice (const :tag "off" nil)
121 (sexp :menu-tag "on" t)))
123 (defcustom gnus-simplify-subject-functions nil
124 "List of functions taking a string argument that simplify subjects.
125 The functions are applied recursively.
127 Useful functions to put in this list include: `gnus-simplify-subject-re',
128 `gnus-simplify-subject-fuzzy' and `gnus-simplify-whitespace'."
130 :type '(repeat function))
132 (defcustom gnus-simplify-ignored-prefixes nil
133 "*Regexp, matches for which are removed from subject lines when simplifying fuzzily."
135 :type '(choice (const :tag "off" nil)
138 (defcustom gnus-build-sparse-threads nil
139 "*If non-nil, fill in the gaps in threads.
140 If `some', only fill in the gaps that are needed to tie loose threads
141 together. If `more', fill in all leaf nodes that Gnus can find. If
142 non-nil and non-`some', fill in all gaps that Gnus manages to guess."
144 :type '(choice (const :tag "off" nil)
147 (sexp :menu-tag "all" t)))
149 (defcustom gnus-summary-thread-gathering-function
150 'gnus-gather-threads-by-subject
151 "*Function used for gathering loose threads.
152 There are two pre-defined functions: `gnus-gather-threads-by-subject',
153 which only takes Subjects into consideration; and
154 `gnus-gather-threads-by-references', which compared the References
155 headers of the articles to find matches."
157 :type '(radio (function-item gnus-gather-threads-by-subject)
158 (function-item gnus-gather-threads-by-references)
159 (function :tag "other")))
161 (defcustom gnus-summary-same-subject ""
162 "*String indicating that the current article has the same subject as the previous.
163 This variable will only be used if the value of
164 `gnus-summary-make-false-root' is `empty'."
165 :group 'gnus-summary-format
168 (defcustom gnus-summary-goto-unread t
169 "*If t, marking commands will go to the next unread article.
170 If `never', commands that usually go to the next unread article, will
171 go to the next article, whether it is read or not.
172 If nil, only the marking commands will go to the next (un)read article."
173 :group 'gnus-summary-marks
174 :link '(custom-manual "(gnus)Setting Marks")
175 :type '(choice (const :tag "off" nil)
177 (sexp :menu-tag "on" t)))
179 (defcustom gnus-summary-default-score 0
180 "*Default article score level.
181 All scores generated by the score files will be added to this score.
182 If this variable is nil, scoring will be disabled."
183 :group 'gnus-score-default
184 :type '(choice (const :tag "disable")
187 (defcustom gnus-summary-zcore-fuzz 0
188 "*Fuzziness factor for the zcore in the summary buffer.
189 Articles with scores closer than this to `gnus-summary-default-score'
191 :group 'gnus-summary-format
194 (defcustom gnus-simplify-subject-fuzzy-regexp nil
195 "*Strings to be removed when doing fuzzy matches.
196 This can either be a regular expression or list of regular expressions
197 that will be removed from subject strings if fuzzy subject
198 simplification is selected."
200 :type '(repeat regexp))
202 (defcustom gnus-show-threads t
203 "*If non-nil, display threads in summary mode."
207 (defcustom gnus-thread-hide-subtree nil
208 "*If non-nil, hide all threads initially.
209 If threads are hidden, you have to run the command
210 `gnus-summary-show-thread' by hand or use `gnus-select-article-hook'
211 to expose hidden threads."
215 (defcustom gnus-thread-hide-killed t
216 "*If non-nil, hide killed threads automatically."
220 (defcustom gnus-thread-ignore-subject nil
221 "*If non-nil, ignore subjects and do all threading based on the Reference header.
222 If nil, which is the default, articles that have different subjects
223 from their parents will start separate threads."
227 (defcustom gnus-thread-operation-ignore-subject t
228 "*If non-nil, subjects will be ignored when doing thread commands.
229 This affects commands like `gnus-summary-kill-thread' and
230 `gnus-summary-lower-thread'.
232 If this variable is nil, articles in the same thread with different
233 subjects will not be included in the operation in question. If this
234 variable is `fuzzy', only articles that have subjects that are fuzzily
235 equal will be included."
237 :type '(choice (const :tag "off" nil)
241 (defcustom gnus-thread-indent-level 4
242 "*Number that says how much each sub-thread should be indented."
246 (defcustom gnus-auto-extend-newsgroup t
247 "*If non-nil, extend newsgroup forward and backward when requested."
248 :group 'gnus-summary-choose
251 (defcustom gnus-auto-select-first t
252 "*If nil, don't select the first unread article when entering a group.
253 If this variable is `best', select the highest-scored unread article
254 in the group. If neither nil nor `best', select the first unread
257 If you want to prevent automatic selection of the first unread article
258 in some newsgroups, set the variable to nil in
259 `gnus-select-group-hook'."
260 :group 'gnus-group-select
261 :type '(choice (const :tag "none" nil)
263 (sexp :menu-tag "first" t)))
265 (defcustom gnus-auto-select-next t
266 "*If non-nil, offer to go to the next group from the end of the previous.
267 If the value is t and the next newsgroup is empty, Gnus will exit
268 summary mode and go back to group mode. If the value is neither nil
269 nor t, Gnus will select the following unread newsgroup. In
270 particular, if the value is the symbol `quietly', the next unread
271 newsgroup will be selected without any confirmation, and if it is
272 `almost-quietly', the next group will be selected without any
273 confirmation if you are located on the last article in the group.
274 Finally, if this variable is `slightly-quietly', the `Z n' command
275 will go to the next group without confirmation."
276 :group 'gnus-summary-maneuvering
277 :type '(choice (const :tag "off" nil)
279 (const almost-quietly)
280 (const slightly-quietly)
281 (sexp :menu-tag "on" t)))
283 (defcustom gnus-auto-select-same nil
284 "*If non-nil, select the next article with the same subject."
285 :group 'gnus-summary-maneuvering
288 (defcustom gnus-summary-check-current nil
289 "*If non-nil, consider the current article when moving.
290 The \"unread\" movement commands will stay on the same line if the
291 current article is unread."
292 :group 'gnus-summary-maneuvering
295 (defcustom gnus-auto-center-summary t
296 "*If non-nil, always center the current summary buffer.
297 In particular, if `vertical' do only vertical recentering. If non-nil
298 and non-`vertical', do both horizontal and vertical recentering."
299 :group 'gnus-summary-maneuvering
300 :type '(choice (const :tag "none" nil)
302 (sexp :menu-tag "both" t)))
304 (defcustom gnus-show-all-headers nil
305 "*If non-nil, don't hide any headers."
306 :group 'gnus-article-hiding
307 :group 'gnus-article-headers
310 (defcustom gnus-summary-ignore-duplicates nil
311 "*If non-nil, ignore articles with identical Message-ID headers."
315 (defcustom gnus-single-article-buffer t
316 "*If non-nil, display all articles in the same buffer.
317 If nil, each group will get its own article buffer."
318 :group 'gnus-article-various
321 (defcustom gnus-break-pages t
322 "*If non-nil, do page breaking on articles.
323 The page delimiter is specified by the `gnus-page-delimiter'
325 :group 'gnus-article-various
328 (defcustom gnus-show-mime nil
329 "*If non-nil, do mime processing of articles.
330 The articles will simply be fed to the function given by
331 `gnus-show-mime-method'."
332 :group 'gnus-article-mime
335 (defcustom gnus-move-split-methods nil
336 "*Variable used to suggest where articles are to be moved to.
337 It uses the same syntax as the `gnus-split-methods' variable."
338 :group 'gnus-summary-mail
339 :type '(repeat (choice (list :value (fun) function)
340 (cons :value ("" "") regexp (repeat string))
343 (defcustom gnus-unread-mark ?
344 "*Mark used for unread articles."
345 :group 'gnus-summary-marks
348 (defcustom gnus-ticked-mark ?!
349 "*Mark used for ticked articles."
350 :group 'gnus-summary-marks
353 (defcustom gnus-dormant-mark ??
354 "*Mark used for dormant articles."
355 :group 'gnus-summary-marks
358 (defcustom gnus-del-mark ?r
359 "*Mark used for del'd articles."
360 :group 'gnus-summary-marks
363 (defcustom gnus-read-mark ?R
364 "*Mark used for read articles."
365 :group 'gnus-summary-marks
368 (defcustom gnus-expirable-mark ?E
369 "*Mark used for expirable articles."
370 :group 'gnus-summary-marks
373 (defcustom gnus-killed-mark ?K
374 "*Mark used for killed articles."
375 :group 'gnus-summary-marks
378 (defcustom gnus-souped-mark ?F
379 "*Mark used for killed articles."
380 :group 'gnus-summary-marks
383 (defcustom gnus-kill-file-mark ?X
384 "*Mark used for articles killed by kill files."
385 :group 'gnus-summary-marks
388 (defcustom gnus-low-score-mark ?Y
389 "*Mark used for articles with a low score."
390 :group 'gnus-summary-marks
393 (defcustom gnus-catchup-mark ?C
394 "*Mark used for articles that are caught up."
395 :group 'gnus-summary-marks
398 (defcustom gnus-replied-mark ?A
399 "*Mark used for articles that have been replied to."
400 :group 'gnus-summary-marks
403 (defcustom gnus-cached-mark ?*
404 "*Mark used for articles that are in the cache."
405 :group 'gnus-summary-marks
408 (defcustom gnus-saved-mark ?S
409 "*Mark used for articles that have been saved to."
410 :group 'gnus-summary-marks
413 (defcustom gnus-ancient-mark ?O
414 "*Mark used for ancient articles."
415 :group 'gnus-summary-marks
418 (defcustom gnus-sparse-mark ?Q
419 "*Mark used for sparsely reffed articles."
420 :group 'gnus-summary-marks
423 (defcustom gnus-canceled-mark ?G
424 "*Mark used for canceled articles."
425 :group 'gnus-summary-marks
428 (defcustom gnus-duplicate-mark ?M
429 "*Mark used for duplicate articles."
430 :group 'gnus-summary-marks
433 (defcustom gnus-undownloaded-mark ?@
434 "*Mark used for articles that weren't downloaded."
435 :group 'gnus-summary-marks
438 (defcustom gnus-downloadable-mark ?%
439 "*Mark used for articles that are to be downloaded."
440 :group 'gnus-summary-marks
443 (defcustom gnus-unsendable-mark ?=
444 "*Mark used for articles that won't be sent."
445 :group 'gnus-summary-marks
448 (defcustom gnus-score-over-mark ?+
449 "*Score mark used for articles with high scores."
450 :group 'gnus-summary-marks
453 (defcustom gnus-score-below-mark ?-
454 "*Score mark used for articles with low scores."
455 :group 'gnus-summary-marks
458 (defcustom gnus-empty-thread-mark ?
459 "*There is no thread under the article."
460 :group 'gnus-summary-marks
463 (defcustom gnus-not-empty-thread-mark ?=
464 "*There is a thread under the article."
465 :group 'gnus-summary-marks
468 (defcustom gnus-view-pseudo-asynchronously nil
469 "*If non-nil, Gnus will view pseudo-articles asynchronously."
470 :group 'gnus-extract-view
473 (defcustom gnus-view-pseudos nil
474 "*If `automatic', pseudo-articles will be viewed automatically.
475 If `not-confirm', pseudos will be viewed automatically, and the user
476 will not be asked to confirm the command."
477 :group 'gnus-extract-view
478 :type '(choice (const :tag "off" nil)
480 (const not-confirm)))
482 (defcustom gnus-view-pseudos-separately t
483 "*If non-nil, one pseudo-article will be created for each file to be viewed.
484 If nil, all files that use the same viewing command will be given as a
485 list of parameters to that command."
486 :group 'gnus-extract-view
489 (defcustom gnus-insert-pseudo-articles t
490 "*If non-nil, insert pseudo-articles when decoding articles."
491 :group 'gnus-extract-view
494 (defcustom gnus-summary-dummy-line-format
496 "*The format specification for the dummy roots in the summary buffer.
497 It works along the same lines as a normal formatting string,
498 with some simple extensions.
501 :group 'gnus-threading
504 (defcustom gnus-summary-mode-line-format "Gnus: %%b [%A] %Z"
505 "*The format specification for the summary mode line.
506 It works along the same lines as a normal formatting string,
507 with some simple extensions:
510 %p Unprefixed group name
511 %A Current article number
513 %U Number of unread articles in the group
514 %e Number of unselected articles in the group
515 %Z A string with unread/unselected article counts
516 %g Shortish group name
517 %S Subject of the current article
519 %s Current score file name
520 %d Number of dormant articles
521 %r Number of articles that have been marked as read in this session
522 %E Number of articles expunged by the score files"
523 :group 'gnus-summary-format
526 (defcustom gnus-summary-mark-below 0
527 "*Mark all articles with a score below this variable as read.
528 This variable is local to each summary buffer and usually set by the
530 :group 'gnus-score-default
533 (defcustom gnus-article-sort-functions '(gnus-article-sort-by-number)
534 "*List of functions used for sorting articles in the summary buffer.
535 This variable is only used when not using a threaded display."
536 :group 'gnus-summary-sort
537 :type '(repeat (choice (function-item gnus-article-sort-by-number)
538 (function-item gnus-article-sort-by-author)
539 (function-item gnus-article-sort-by-subject)
540 (function-item gnus-article-sort-by-date)
541 (function-item gnus-article-sort-by-score)
542 (function :tag "other"))))
544 (defcustom gnus-thread-sort-functions '(gnus-thread-sort-by-number)
545 "*List of functions used for sorting threads in the summary buffer.
546 By default, threads are sorted by article number.
548 Each function takes two threads and return non-nil if the first thread
549 should be sorted before the other. If you use more than one function,
550 the primary sort function should be the last. You should probably
551 always include `gnus-thread-sort-by-number' in the list of sorting
552 functions -- preferably first.
554 Ready-made functions include `gnus-thread-sort-by-number',
555 `gnus-thread-sort-by-author', `gnus-thread-sort-by-subject',
556 `gnus-thread-sort-by-date', `gnus-thread-sort-by-score' and
557 `gnus-thread-sort-by-total-score' (see `gnus-thread-score-function')."
558 :group 'gnus-summary-sort
559 :type '(repeat (choice (function-item gnus-thread-sort-by-number)
560 (function-item gnus-thread-sort-by-author)
561 (function-item gnus-thread-sort-by-subject)
562 (function-item gnus-thread-sort-by-date)
563 (function-item gnus-thread-sort-by-score)
564 (function-item gnus-thread-sort-by-total-score)
565 (function :tag "other"))))
567 (defcustom gnus-thread-score-function '+
568 "*Function used for calculating the total score of a thread.
570 The function is called with the scores of the article and each
571 subthread and should then return the score of the thread.
573 Some functions you can use are `+', `max', or `min'."
574 :group 'gnus-summary-sort
577 (defcustom gnus-summary-expunge-below nil
578 "All articles that have a score less than this variable will be expunged.
579 This variable is local to the summary buffers."
580 :group 'gnus-score-default
581 :type '(choice (const :tag "off" nil)
584 (defcustom gnus-thread-expunge-below nil
585 "All threads that have a total score less than this variable will be expunged.
586 See `gnus-thread-score-function' for en explanation of what a
589 This variable is local to the summary buffers."
590 :group 'gnus-treading
591 :group 'gnus-score-default
592 :type '(choice (const :tag "off" nil)
595 (defcustom gnus-summary-mode-hook nil
596 "*A hook for Gnus summary mode.
597 This hook is run before any variables are set in the summary buffer."
598 :group 'gnus-summary-various
601 (defcustom gnus-summary-menu-hook nil
602 "*Hook run after the creation of the summary mode menu."
603 :group 'gnus-summary-visual
606 (defcustom gnus-summary-exit-hook nil
607 "*A hook called on exit from the summary buffer.
608 It will be called with point in the group buffer."
609 :group 'gnus-summary-exit
612 (defcustom gnus-summary-prepare-hook nil
613 "*A hook called after the summary buffer has been generated.
614 If you want to modify the summary buffer, you can use this hook."
615 :group 'gnus-summary-various
618 (defcustom gnus-summary-prepared-hook nil
619 "*A hook called as the last thing after the summary buffer has been generated."
620 :group 'gnus-summary-various
623 (defcustom gnus-summary-generate-hook nil
624 "*A hook run just before generating the summary buffer.
625 This hook is commonly used to customize threading variables and the
627 :group 'gnus-summary-various
630 (defcustom gnus-select-group-hook nil
631 "*A hook called when a newsgroup is selected.
633 If you'd like to simplify subjects like the
634 `gnus-summary-next-same-subject' command does, you can use the
637 (setq gnus-select-group-hook
640 (mapcar (lambda (header)
641 (mail-header-set-subject
643 (gnus-simplify-subject
644 (mail-header-subject header) 're-only)))
645 gnus-newsgroup-headers))))"
646 :group 'gnus-group-select
649 (defcustom gnus-select-article-hook nil
650 "*A hook called when an article is selected."
651 :group 'gnus-summary-choose
654 (defcustom gnus-visual-mark-article-hook
655 (list 'gnus-highlight-selected-summary)
656 "*Hook run after selecting an article in the summary buffer.
657 It is meant to be used for highlighting the article in some way. It
658 is not run if `gnus-visual' is nil."
659 :group 'gnus-summary-visual
662 (defcustom gnus-structured-field-decoder 'identity
663 "Function to decode non-ASCII characters in structured field for summary."
667 (defcustom gnus-unstructured-field-decoder 'identity
668 "Function to decode non-ASCII characters in unstructured field for summary."
672 (defcustom gnus-parse-headers-hook
673 (list 'gnus-hack-decode-rfc1522 'gnus-decode-rfc1522)
674 "*A hook called before parsing the headers."
678 (defcustom gnus-exit-group-hook nil
679 "*A hook called when exiting (not quitting) summary mode."
683 (defcustom gnus-summary-update-hook
684 (list 'gnus-summary-highlight-line)
685 "*A hook called when a summary line is changed.
686 The hook will not be called if `gnus-visual' is nil.
688 The default function `gnus-summary-highlight-line' will
689 highlight the line according to the `gnus-summary-highlight'
691 :group 'gnus-summary-visual
694 (defcustom gnus-mark-article-hook '(gnus-summary-mark-read-and-unread-as-read)
695 "*A hook called when an article is selected for the first time.
696 The hook is intended to mark an article as read (or unread)
697 automatically when it is selected."
698 :group 'gnus-summary-choose
701 (defcustom gnus-group-no-more-groups-hook nil
702 "*A hook run when returning to group mode having no more (unread) groups."
703 :group 'gnus-group-select
706 (defcustom gnus-ps-print-hook nil
707 "*A hook run before ps-printing something from Gnus."
711 (defcustom gnus-summary-selected-face 'gnus-summary-selected-face
712 "Face used for highlighting the current article in the summary buffer."
713 :group 'gnus-summary-visual
716 (defcustom gnus-summary-highlight
717 '(((= mark gnus-canceled-mark)
718 . gnus-summary-cancelled-face)
719 ((and (> score default)
720 (or (= mark gnus-dormant-mark)
721 (= mark gnus-ticked-mark)))
722 . gnus-summary-high-ticked-face)
723 ((and (< score default)
724 (or (= mark gnus-dormant-mark)
725 (= mark gnus-ticked-mark)))
726 . gnus-summary-low-ticked-face)
727 ((or (= mark gnus-dormant-mark)
728 (= mark gnus-ticked-mark))
729 . gnus-summary-normal-ticked-face)
730 ((and (> score default) (= mark gnus-ancient-mark))
731 . gnus-summary-high-ancient-face)
732 ((and (< score default) (= mark gnus-ancient-mark))
733 . gnus-summary-low-ancient-face)
734 ((= mark gnus-ancient-mark)
735 . gnus-summary-normal-ancient-face)
736 ((and (> score default) (= mark gnus-unread-mark))
737 . gnus-summary-high-unread-face)
738 ((and (< score default) (= mark gnus-unread-mark))
739 . gnus-summary-low-unread-face)
740 ((= mark gnus-unread-mark)
741 . gnus-summary-normal-unread-face)
742 ((and (> score default) (memq mark (list gnus-downloadable-mark
743 gnus-undownloaded-mark)))
744 . gnus-summary-high-unread-face)
745 ((and (< score default) (memq mark (list gnus-downloadable-mark
746 gnus-undownloaded-mark)))
747 . gnus-summary-low-unread-face)
748 ((memq mark (list gnus-downloadable-mark gnus-undownloaded-mark))
749 . gnus-summary-normal-unread-face)
751 . gnus-summary-high-read-face)
753 . gnus-summary-low-read-face)
755 . gnus-summary-normal-read-face))
756 "*Controls the highlighting of summary buffer lines.
758 A list of (FORM . FACE) pairs. When deciding how a a particular
759 summary line should be displayed, each form is evaluated. The content
760 of the face field after the first true form is used. You can change
761 how those summary lines are displayed, by editing the face field.
763 You can use the following variables in the FORM field.
765 score: The articles score
766 default: The default article score.
767 below: The score below which articles are automatically marked as read.
768 mark: The articles mark."
769 :group 'gnus-summary-visual
770 :type '(repeat (cons (sexp :tag "Form" nil)
773 (defcustom gnus-alter-header-function nil
774 "Function called to allow alteration of article header structures.
775 The function is called with one parameter, the article header vector,
776 which it may alter in any way.")
778 ;;; Internal variables
780 (defvar gnus-scores-exclude-files nil)
781 (defvar gnus-page-broken nil)
783 (defvar gnus-original-article nil)
784 (defvar gnus-article-internal-prepare-hook nil)
785 (defvar gnus-newsgroup-process-stack nil)
787 (defvar gnus-thread-indent-array nil)
788 (defvar gnus-thread-indent-array-level gnus-thread-indent-level)
790 ;; Avoid highlighting in kill files.
791 (defvar gnus-summary-inhibit-highlight nil)
792 (defvar gnus-newsgroup-selected-overlay nil)
793 (defvar gnus-inhibit-limiting nil)
794 (defvar gnus-newsgroup-adaptive-score-file nil)
795 (defvar gnus-current-score-file nil)
796 (defvar gnus-current-move-group nil)
797 (defvar gnus-current-copy-group nil)
798 (defvar gnus-current-crosspost-group nil)
800 (defvar gnus-newsgroup-dependencies nil)
801 (defvar gnus-newsgroup-adaptive nil)
802 (defvar gnus-summary-display-article-function nil)
803 (defvar gnus-summary-highlight-line-function nil
804 "Function called after highlighting a summary line.")
806 (defvar gnus-summary-line-format-alist
807 `((?N ,(macroexpand '(mail-header-number gnus-tmp-header)) ?d)
808 (?S ,(macroexpand '(mail-header-subject gnus-tmp-header)) ?s)
809 (?s gnus-tmp-subject-or-nil ?s)
810 (?n gnus-tmp-name ?s)
811 (?A (car (cdr (funcall gnus-extract-address-components gnus-tmp-from)))
813 (?a (or (car (funcall gnus-extract-address-components gnus-tmp-from))
815 (?F gnus-tmp-from ?s)
816 (?x ,(macroexpand '(mail-header-xref gnus-tmp-header)) ?s)
817 (?D ,(macroexpand '(mail-header-date gnus-tmp-header)) ?s)
818 (?d (gnus-dd-mmm (mail-header-date gnus-tmp-header)) ?s)
819 (?o (gnus-date-iso8601 (mail-header-date gnus-tmp-header)) ?s)
820 (?M ,(macroexpand '(mail-header-id gnus-tmp-header)) ?s)
821 (?r ,(macroexpand '(mail-header-references gnus-tmp-header)) ?s)
822 (?c (or (mail-header-chars gnus-tmp-header) 0) ?d)
823 (?L gnus-tmp-lines ?d)
824 (?I gnus-tmp-indentation ?s)
825 (?T (if (= gnus-tmp-level 0) "" (make-string (frame-width) ? )) ?s)
826 (?R gnus-tmp-replied ?c)
827 (?\[ gnus-tmp-opening-bracket ?c)
828 (?\] gnus-tmp-closing-bracket ?c)
829 (?\> (make-string gnus-tmp-level ? ) ?s)
830 (?\< (make-string (max 0 (- 20 gnus-tmp-level)) ? ) ?s)
831 (?i gnus-tmp-score ?d)
832 (?z gnus-tmp-score-char ?c)
833 (?l (bbb-grouplens-score gnus-tmp-header) ?s)
834 (?V (gnus-thread-total-score (and (boundp 'thread) (car thread))) ?d)
835 (?U gnus-tmp-unread ?c)
836 (?t (gnus-summary-number-of-articles-in-thread
837 (and (boundp 'thread) (car thread)) gnus-tmp-level)
839 (?e (gnus-summary-number-of-articles-in-thread
840 (and (boundp 'thread) (car thread)) gnus-tmp-level t)
842 (?u gnus-tmp-user-defined ?s)
843 (?P (gnus-pick-line-number) ?d))
844 "An alist of format specifications that can appear in summary lines,
845 and what variables they correspond with, along with the type of the
846 variable (string, integer, character, etc).")
848 (defvar gnus-summary-dummy-line-format-alist
849 `((?S gnus-tmp-subject ?s)
850 (?N gnus-tmp-number ?d)
851 (?u gnus-tmp-user-defined ?s)))
853 (defvar gnus-summary-mode-line-format-alist
854 `((?G gnus-tmp-group-name ?s)
855 (?g (gnus-short-group-name gnus-tmp-group-name) ?s)
856 (?p (gnus-group-real-name gnus-tmp-group-name) ?s)
857 (?A gnus-tmp-article-number ?d)
858 (?Z gnus-tmp-unread-and-unselected ?s)
860 (?U gnus-tmp-unread-and-unticked ?d)
861 (?S gnus-tmp-subject ?s)
862 (?e gnus-tmp-unselected ?d)
863 (?u gnus-tmp-user-defined ?s)
864 (?d (length gnus-newsgroup-dormant) ?d)
865 (?t (length gnus-newsgroup-marked) ?d)
866 (?r (length gnus-newsgroup-reads) ?d)
867 (?E gnus-newsgroup-expunged-tally ?d)
868 (?s (gnus-current-score-file-nondirectory) ?s)))
870 (defvar gnus-last-search-regexp nil
871 "Default regexp for article search command.")
873 (defvar gnus-last-shell-command nil
874 "Default shell command on article.")
876 (defvar gnus-newsgroup-begin nil)
877 (defvar gnus-newsgroup-end nil)
878 (defvar gnus-newsgroup-last-rmail nil)
879 (defvar gnus-newsgroup-last-mail nil)
880 (defvar gnus-newsgroup-last-folder nil)
881 (defvar gnus-newsgroup-last-file nil)
882 (defvar gnus-newsgroup-auto-expire nil)
883 (defvar gnus-newsgroup-active nil)
885 (defvar gnus-newsgroup-data nil)
886 (defvar gnus-newsgroup-data-reverse nil)
887 (defvar gnus-newsgroup-limit nil)
888 (defvar gnus-newsgroup-limits nil)
890 (defvar gnus-newsgroup-unreads nil
891 "List of unread articles in the current newsgroup.")
893 (defvar gnus-newsgroup-unselected nil
894 "List of unselected unread articles in the current newsgroup.")
896 (defvar gnus-newsgroup-reads nil
897 "Alist of read articles and article marks in the current newsgroup.")
899 (defvar gnus-newsgroup-expunged-tally nil)
901 (defvar gnus-newsgroup-marked nil
902 "List of ticked articles in the current newsgroup (a subset of unread art).")
904 (defvar gnus-newsgroup-killed nil
905 "List of ranges of articles that have been through the scoring process.")
907 (defvar gnus-newsgroup-cached nil
908 "List of articles that come from the article cache.")
910 (defvar gnus-newsgroup-saved nil
911 "List of articles that have been saved.")
913 (defvar gnus-newsgroup-kill-headers nil)
915 (defvar gnus-newsgroup-replied nil
916 "List of articles that have been replied to in the current newsgroup.")
918 (defvar gnus-newsgroup-expirable nil
919 "List of articles in the current newsgroup that can be expired.")
921 (defvar gnus-newsgroup-processable nil
922 "List of articles in the current newsgroup that can be processed.")
924 (defvar gnus-newsgroup-downloadable nil
925 "List of articles in the current newsgroup that can be processed.")
927 (defvar gnus-newsgroup-undownloaded nil
928 "List of articles in the current newsgroup that haven't been downloaded..")
930 (defvar gnus-newsgroup-unsendable nil
931 "List of articles in the current newsgroup that won't be sent.")
933 (defvar gnus-newsgroup-bookmarks nil
934 "List of articles in the current newsgroup that have bookmarks.")
936 (defvar gnus-newsgroup-dormant nil
937 "List of dormant articles in the current newsgroup.")
939 (defvar gnus-newsgroup-scored nil
940 "List of scored articles in the current newsgroup.")
942 (defvar gnus-newsgroup-headers nil
943 "List of article headers in the current newsgroup.")
945 (defvar gnus-newsgroup-threads nil)
947 (defvar gnus-newsgroup-prepared nil
948 "Whether the current group has been prepared properly.")
950 (defvar gnus-newsgroup-ancient nil
951 "List of `gnus-fetch-old-headers' articles in the current newsgroup.")
953 (defvar gnus-newsgroup-sparse nil)
955 (defvar gnus-current-article nil)
956 (defvar gnus-article-current nil)
957 (defvar gnus-current-headers nil)
958 (defvar gnus-have-all-headers nil)
959 (defvar gnus-last-article nil)
960 (defvar gnus-newsgroup-history nil)
962 (defconst gnus-summary-local-variables
963 '(gnus-newsgroup-name
964 gnus-newsgroup-begin gnus-newsgroup-end
965 gnus-newsgroup-last-rmail gnus-newsgroup-last-mail
966 gnus-newsgroup-last-folder gnus-newsgroup-last-file
967 gnus-newsgroup-auto-expire gnus-newsgroup-unreads
968 gnus-newsgroup-unselected gnus-newsgroup-marked
969 gnus-newsgroup-reads gnus-newsgroup-saved
970 gnus-newsgroup-replied gnus-newsgroup-expirable
971 gnus-newsgroup-processable gnus-newsgroup-killed
972 gnus-newsgroup-downloadable gnus-newsgroup-undownloaded
973 gnus-newsgroup-unsendable
974 gnus-newsgroup-bookmarks gnus-newsgroup-dormant
975 gnus-newsgroup-headers gnus-newsgroup-threads
976 gnus-newsgroup-prepared gnus-summary-highlight-line-function
977 gnus-current-article gnus-current-headers gnus-have-all-headers
978 gnus-last-article gnus-article-internal-prepare-hook
979 gnus-newsgroup-dependencies gnus-newsgroup-selected-overlay
980 gnus-newsgroup-scored gnus-newsgroup-kill-headers
981 gnus-thread-expunge-below
982 gnus-score-alist gnus-current-score-file gnus-summary-expunge-below
983 (gnus-summary-mark-below . global)
984 gnus-newsgroup-active gnus-scores-exclude-files
985 gnus-newsgroup-history gnus-newsgroup-ancient
986 gnus-newsgroup-sparse gnus-newsgroup-process-stack
987 (gnus-newsgroup-adaptive . gnus-use-adaptive-scoring)
988 gnus-newsgroup-adaptive-score-file (gnus-reffed-article-number . -1)
989 (gnus-newsgroup-expunged-tally . 0)
990 gnus-cache-removable-articles gnus-newsgroup-cached
991 gnus-newsgroup-data gnus-newsgroup-data-reverse
992 gnus-newsgroup-limit gnus-newsgroup-limits)
993 "Variables that are buffer-local to the summary buffers.")
995 ;; Byte-compiler warning.
996 (defvar gnus-article-mode-map)
998 ;; Subject simplification.
1000 (defun gnus-simplify-whitespace (str)
1001 "Remove excessive whitespace."
1004 (while (string-match "[ \t][ \t]+" mystr)
1005 (setq mystr (concat (substring mystr 0 (match-beginning 0))
1007 (substring mystr (match-end 0)))))
1009 (when (string-match "^[ \t]+" mystr)
1010 (setq mystr (substring mystr (match-end 0))))
1012 (when (string-match "[ \t]+$" mystr)
1013 (setq mystr (substring mystr 0 (match-beginning 0))))
1016 (defsubst gnus-simplify-subject-re (subject)
1017 "Remove \"Re:\" from subject lines."
1018 (if (string-match "^[Rr][Ee]: *" subject)
1019 (substring subject (match-end 0))
1022 (defun gnus-simplify-subject (subject &optional re-only)
1023 "Remove `Re:' and words in parentheses.
1024 If RE-ONLY is non-nil, strip leading `Re:'s only."
1025 (let ((case-fold-search t)) ;Ignore case.
1026 ;; Remove `Re:', `Re^N:', `Re(n)', and `Re[n]:'.
1027 (when (string-match "\\`\\(re\\([[(^][0-9]+[])]?\\)?:[ \t]*\\)+" subject)
1028 (setq subject (substring subject (match-end 0))))
1029 ;; Remove uninteresting prefixes.
1030 (when (and (not re-only)
1031 gnus-simplify-ignored-prefixes
1032 (string-match gnus-simplify-ignored-prefixes subject))
1033 (setq subject (substring subject (match-end 0))))
1034 ;; Remove words in parentheses from end.
1036 (while (string-match "[ \t\n]*([^()]*)[ \t\n]*\\'" subject)
1037 (setq subject (substring subject 0 (match-beginning 0)))))
1038 ;; Return subject string.
1041 ;; Remove any leading "re:"s, any trailing paren phrases, and simplify
1043 (defsubst gnus-simplify-buffer-fuzzy-step (regexp &optional newtext)
1044 (goto-char (point-min))
1045 (while (re-search-forward regexp nil t)
1046 (replace-match (or newtext ""))))
1048 (defun gnus-simplify-buffer-fuzzy ()
1049 "Simplify string in the buffer fuzzily.
1050 The string in the accessible portion of the current buffer is simplified.
1051 It is assumed to be a single-line subject.
1052 Whitespace is generally cleaned up, and miscellaneous leading/trailing
1053 matter is removed. Additional things can be deleted by setting
1054 gnus-simplify-subject-fuzzy-regexp."
1055 (let ((case-fold-search t)
1057 (gnus-simplify-buffer-fuzzy-step "\t" " ")
1059 (while (not (eq modified-tick (buffer-modified-tick)))
1060 (setq modified-tick (buffer-modified-tick))
1062 ((listp gnus-simplify-subject-fuzzy-regexp)
1063 (mapcar 'gnus-simplify-buffer-fuzzy-step
1064 gnus-simplify-subject-fuzzy-regexp))
1065 (gnus-simplify-subject-fuzzy-regexp
1066 (gnus-simplify-buffer-fuzzy-step gnus-simplify-subject-fuzzy-regexp)))
1067 (gnus-simplify-buffer-fuzzy-step "^ *\\[[-+?*!][-+?*!]\\] *")
1068 (gnus-simplify-buffer-fuzzy-step
1069 "^ *\\(re\\|fw\\|fwd\\)[[{(^0-9]*[])}]?[:;] *")
1070 (gnus-simplify-buffer-fuzzy-step "^[[].*:\\( .*\\)[]]$" "\\1"))
1072 (gnus-simplify-buffer-fuzzy-step " *[[{(][^()\n]*[]})] *$")
1073 (gnus-simplify-buffer-fuzzy-step " +" " ")
1074 (gnus-simplify-buffer-fuzzy-step " $")
1075 (gnus-simplify-buffer-fuzzy-step "^ +")))
1077 (defun gnus-simplify-subject-fuzzy (subject)
1078 "Simplify a subject string fuzzily.
1079 See `gnus-simplify-buffer-fuzzy' for details."
1081 (gnus-set-work-buffer)
1082 (let ((case-fold-search t))
1083 ;; Remove uninteresting prefixes.
1084 (when (and gnus-simplify-ignored-prefixes
1085 (string-match gnus-simplify-ignored-prefixes subject))
1086 (setq subject (substring subject (match-end 0))))
1088 (inline (gnus-simplify-buffer-fuzzy))
1091 (defsubst gnus-simplify-subject-fully (subject)
1092 "Simplify a subject string according to gnus-summary-gather-subject-limit."
1094 (gnus-simplify-subject-functions
1095 (gnus-map-function gnus-simplify-subject-functions subject))
1096 ((null gnus-summary-gather-subject-limit)
1097 (gnus-simplify-subject-re subject))
1098 ((eq gnus-summary-gather-subject-limit 'fuzzy)
1099 (gnus-simplify-subject-fuzzy subject))
1100 ((numberp gnus-summary-gather-subject-limit)
1101 (gnus-limit-string (gnus-simplify-subject-re subject)
1102 gnus-summary-gather-subject-limit))
1106 (defsubst gnus-subject-equal (s1 s2 &optional simple-first)
1107 "Check whether two subjects are equal.
1108 If optional argument simple-first is t, first argument is already
1111 ((null simple-first)
1112 (equal (gnus-simplify-subject-fully s1)
1113 (gnus-simplify-subject-fully s2)))
1116 (gnus-simplify-subject-fully s2)))))
1118 (defun gnus-summary-bubble-group ()
1119 "Increase the score of the current group.
1120 This is a handy function to add to `gnus-summary-exit-hook' to
1121 increase the score of each group you read."
1122 (gnus-group-add-score gnus-newsgroup-name))
1126 ;;; Gnus summary mode
1129 (put 'gnus-summary-mode 'mode-class 'special)
1132 ;; Non-orthogonal keys
1134 (gnus-define-keys gnus-summary-mode-map
1135 " " gnus-summary-next-page
1136 "\177" gnus-summary-prev-page
1137 [delete] gnus-summary-prev-page
1138 [backspace] gnus-summary-prev-page
1139 "\r" gnus-summary-scroll-up
1140 "n" gnus-summary-next-unread-article
1141 "p" gnus-summary-prev-unread-article
1142 "N" gnus-summary-next-article
1143 "P" gnus-summary-prev-article
1144 "\M-\C-n" gnus-summary-next-same-subject
1145 "\M-\C-p" gnus-summary-prev-same-subject
1146 "\M-n" gnus-summary-next-unread-subject
1147 "\M-p" gnus-summary-prev-unread-subject
1148 "." gnus-summary-first-unread-article
1149 "," gnus-summary-best-unread-article
1150 "\M-s" gnus-summary-search-article-forward
1151 "\M-r" gnus-summary-search-article-backward
1152 "<" gnus-summary-beginning-of-article
1153 ">" gnus-summary-end-of-article
1154 "j" gnus-summary-goto-article
1155 "^" gnus-summary-refer-parent-article
1156 "\M-^" gnus-summary-refer-article
1157 "u" gnus-summary-tick-article-forward
1158 "!" gnus-summary-tick-article-forward
1159 "U" gnus-summary-tick-article-backward
1160 "d" gnus-summary-mark-as-read-forward
1161 "D" gnus-summary-mark-as-read-backward
1162 "E" gnus-summary-mark-as-expirable
1163 "\M-u" gnus-summary-clear-mark-forward
1164 "\M-U" gnus-summary-clear-mark-backward
1165 "k" gnus-summary-kill-same-subject-and-select
1166 "\C-k" gnus-summary-kill-same-subject
1167 "\M-\C-k" gnus-summary-kill-thread
1168 "\M-\C-l" gnus-summary-lower-thread
1169 "e" gnus-summary-edit-article
1170 "#" gnus-summary-mark-as-processable
1171 "\M-#" gnus-summary-unmark-as-processable
1172 "\M-\C-t" gnus-summary-toggle-threads
1173 "\M-\C-s" gnus-summary-show-thread
1174 "\M-\C-h" gnus-summary-hide-thread
1175 "\M-\C-f" gnus-summary-next-thread
1176 "\M-\C-b" gnus-summary-prev-thread
1177 "\M-\C-u" gnus-summary-up-thread
1178 "\M-\C-d" gnus-summary-down-thread
1179 "&" gnus-summary-execute-command
1180 "c" gnus-summary-catchup-and-exit
1181 "\C-w" gnus-summary-mark-region-as-read
1182 "\C-t" gnus-summary-toggle-truncation
1183 "?" gnus-summary-mark-as-dormant
1184 "\C-c\M-\C-s" gnus-summary-limit-include-expunged
1185 "\C-c\C-s\C-n" gnus-summary-sort-by-number
1186 "\C-c\C-s\C-l" gnus-summary-sort-by-lines
1187 "\C-c\C-s\C-a" gnus-summary-sort-by-author
1188 "\C-c\C-s\C-s" gnus-summary-sort-by-subject
1189 "\C-c\C-s\C-d" gnus-summary-sort-by-date
1190 "\C-c\C-s\C-i" gnus-summary-sort-by-score
1191 "=" gnus-summary-expand-window
1192 "\C-x\C-s" gnus-summary-reselect-current-group
1193 "\M-g" gnus-summary-rescan-group
1194 "w" gnus-summary-stop-page-breaking
1195 "\C-c\C-r" gnus-summary-caesar-message
1196 "\M-t" gnus-summary-toggle-mime
1197 "f" gnus-summary-followup
1198 "F" gnus-summary-followup-with-original
1199 "C" gnus-summary-cancel-article
1200 "r" gnus-summary-reply
1201 "R" gnus-summary-reply-with-original
1202 "\C-c\C-f" gnus-summary-mail-forward
1203 "o" gnus-summary-save-article
1204 "\C-o" gnus-summary-save-article-mail
1205 "|" gnus-summary-pipe-output
1206 "\M-k" gnus-summary-edit-local-kill
1207 "\M-K" gnus-summary-edit-global-kill
1209 "\C-c\C-d" gnus-summary-describe-group
1210 "q" gnus-summary-exit
1211 "Q" gnus-summary-exit-no-update
1212 "\C-c\C-i" gnus-info-find-node
1213 gnus-mouse-2 gnus-mouse-pick-article
1214 "m" gnus-summary-mail-other-window
1215 "a" gnus-summary-post-news
1216 "x" gnus-summary-limit-to-unread
1217 "s" gnus-summary-isearch-article
1218 "t" gnus-article-hide-headers
1219 "g" gnus-summary-show-article
1220 "l" gnus-summary-goto-last-article
1221 "\C-c\C-v\C-v" gnus-uu-decode-uu-view
1222 "\C-d" gnus-summary-enter-digest-group
1223 "\M-\C-d" gnus-summary-read-document
1224 "\M-\C-e" gnus-summary-edit-parameters
1226 "*" gnus-cache-enter-article
1227 "\M-*" gnus-cache-remove-article
1228 "\M-&" gnus-summary-universal-argument
1229 "\C-l" gnus-recenter
1230 "I" gnus-summary-increase-score
1231 "L" gnus-summary-lower-score
1232 "\M-i" gnus-symbolic-argument
1233 "h" gnus-summary-select-article-buffer
1235 "V" gnus-summary-score-map
1236 "X" gnus-uu-extract-map
1237 "S" gnus-summary-send-map)
1239 ;; Sort of orthogonal keymap
1240 (gnus-define-keys (gnus-summary-mark-map "M" gnus-summary-mode-map)
1241 "t" gnus-summary-tick-article-forward
1242 "!" gnus-summary-tick-article-forward
1243 "d" gnus-summary-mark-as-read-forward
1244 "r" gnus-summary-mark-as-read-forward
1245 "c" gnus-summary-clear-mark-forward
1246 " " gnus-summary-clear-mark-forward
1247 "e" gnus-summary-mark-as-expirable
1248 "x" gnus-summary-mark-as-expirable
1249 "?" gnus-summary-mark-as-dormant
1250 "b" gnus-summary-set-bookmark
1251 "B" gnus-summary-remove-bookmark
1252 "#" gnus-summary-mark-as-processable
1253 "\M-#" gnus-summary-unmark-as-processable
1254 "S" gnus-summary-limit-include-expunged
1255 "C" gnus-summary-catchup
1256 "H" gnus-summary-catchup-to-here
1257 "\C-c" gnus-summary-catchup-all
1258 "k" gnus-summary-kill-same-subject-and-select
1259 "K" gnus-summary-kill-same-subject
1260 "P" gnus-uu-mark-map)
1262 (gnus-define-keys (gnus-summary-mscore-map "V" gnus-summary-mark-map)
1263 "c" gnus-summary-clear-above
1264 "u" gnus-summary-tick-above
1265 "m" gnus-summary-mark-above
1266 "k" gnus-summary-kill-below)
1268 (gnus-define-keys (gnus-summary-limit-map "/" gnus-summary-mode-map)
1269 "/" gnus-summary-limit-to-subject
1270 "n" gnus-summary-limit-to-articles
1271 "w" gnus-summary-pop-limit
1272 "s" gnus-summary-limit-to-subject
1273 "a" gnus-summary-limit-to-author
1274 "u" gnus-summary-limit-to-unread
1275 "m" gnus-summary-limit-to-marks
1276 "v" gnus-summary-limit-to-score
1277 "*" gnus-summary-limit-include-cached
1278 "D" gnus-summary-limit-include-dormant
1279 "T" gnus-summary-limit-include-thread
1280 "d" gnus-summary-limit-exclude-dormant
1281 "t" gnus-summary-limit-to-age
1282 "E" gnus-summary-limit-include-expunged
1283 "c" gnus-summary-limit-exclude-childless-dormant
1284 "C" gnus-summary-limit-mark-excluded-as-read)
1286 (gnus-define-keys (gnus-summary-goto-map "G" gnus-summary-mode-map)
1287 "n" gnus-summary-next-unread-article
1288 "p" gnus-summary-prev-unread-article
1289 "N" gnus-summary-next-article
1290 "P" gnus-summary-prev-article
1291 "\C-n" gnus-summary-next-same-subject
1292 "\C-p" gnus-summary-prev-same-subject
1293 "\M-n" gnus-summary-next-unread-subject
1294 "\M-p" gnus-summary-prev-unread-subject
1295 "f" gnus-summary-first-unread-article
1296 "b" gnus-summary-best-unread-article
1297 "j" gnus-summary-goto-article
1298 "g" gnus-summary-goto-subject
1299 "l" gnus-summary-goto-last-article
1300 "o" gnus-summary-pop-article)
1302 (gnus-define-keys (gnus-summary-thread-map "T" gnus-summary-mode-map)
1303 "k" gnus-summary-kill-thread
1304 "l" gnus-summary-lower-thread
1305 "i" gnus-summary-raise-thread
1306 "T" gnus-summary-toggle-threads
1307 "t" gnus-summary-rethread-current
1308 "^" gnus-summary-reparent-thread
1309 "s" gnus-summary-show-thread
1310 "S" gnus-summary-show-all-threads
1311 "h" gnus-summary-hide-thread
1312 "H" gnus-summary-hide-all-threads
1313 "n" gnus-summary-next-thread
1314 "p" gnus-summary-prev-thread
1315 "u" gnus-summary-up-thread
1316 "o" gnus-summary-top-thread
1317 "d" gnus-summary-down-thread
1318 "#" gnus-uu-mark-thread
1319 "\M-#" gnus-uu-unmark-thread)
1321 (gnus-define-keys (gnus-summary-buffer-map "Y" gnus-summary-mode-map)
1322 "g" gnus-summary-prepare
1323 "c" gnus-summary-insert-cached-articles)
1325 (gnus-define-keys (gnus-summary-exit-map "Z" gnus-summary-mode-map)
1326 "c" gnus-summary-catchup-and-exit
1327 "C" gnus-summary-catchup-all-and-exit
1328 "E" gnus-summary-exit-no-update
1329 "Q" gnus-summary-exit
1330 "Z" gnus-summary-exit
1331 "n" gnus-summary-catchup-and-goto-next-group
1332 "R" gnus-summary-reselect-current-group
1333 "G" gnus-summary-rescan-group
1334 "N" gnus-summary-next-group
1335 "s" gnus-summary-save-newsrc
1336 "P" gnus-summary-prev-group)
1338 (gnus-define-keys (gnus-summary-article-map "A" gnus-summary-mode-map)
1339 " " gnus-summary-next-page
1340 "n" gnus-summary-next-page
1341 "\177" gnus-summary-prev-page
1342 [delete] gnus-summary-prev-page
1343 "p" gnus-summary-prev-page
1344 "\r" gnus-summary-scroll-up
1345 "<" gnus-summary-beginning-of-article
1346 ">" gnus-summary-end-of-article
1347 "b" gnus-summary-beginning-of-article
1348 "e" gnus-summary-end-of-article
1349 "^" gnus-summary-refer-parent-article
1350 "r" gnus-summary-refer-parent-article
1351 "R" gnus-summary-refer-references
1352 "T" gnus-summary-refer-thread
1353 "g" gnus-summary-show-article
1354 "s" gnus-summary-isearch-article
1355 "P" gnus-summary-print-article)
1357 (gnus-define-keys (gnus-summary-wash-map "W" gnus-summary-mode-map)
1358 "b" gnus-article-add-buttons
1359 "B" gnus-article-add-buttons-to-head
1360 "o" gnus-article-treat-overstrike
1361 "e" gnus-article-emphasize
1362 "w" gnus-article-fill-cited-article
1363 "c" gnus-article-remove-cr
1364 "q" gnus-article-de-quoted-unreadable
1365 "f" gnus-article-display-x-face
1366 "l" gnus-summary-stop-page-breaking
1367 "r" gnus-summary-caesar-message
1368 "t" gnus-article-hide-headers
1369 "v" gnus-summary-verbose-headers
1370 "m" gnus-summary-toggle-mime
1371 "h" gnus-article-treat-html
1372 "d" gnus-article-treat-dumbquotes)
1374 (gnus-define-keys (gnus-summary-wash-hide-map "W" gnus-summary-wash-map)
1375 "a" gnus-article-hide
1376 "h" gnus-article-hide-headers
1377 "b" gnus-article-hide-boring-headers
1378 "s" gnus-article-hide-signature
1379 "c" gnus-article-hide-citation
1380 "p" gnus-article-hide-pgp
1381 "P" gnus-article-hide-pem
1382 "\C-c" gnus-article-hide-citation-maybe)
1384 (gnus-define-keys (gnus-summary-wash-highlight-map "H" gnus-summary-wash-map)
1385 "a" gnus-article-highlight
1386 "h" gnus-article-highlight-headers
1387 "c" gnus-article-highlight-citation
1388 "s" gnus-article-highlight-signature)
1390 (gnus-define-keys (gnus-summary-wash-time-map "T" gnus-summary-wash-map)
1391 "z" gnus-article-date-ut
1392 "u" gnus-article-date-ut
1393 "l" gnus-article-date-local
1394 "e" gnus-article-date-lapsed
1395 "o" gnus-article-date-original
1396 "i" gnus-article-date-iso8601
1397 "s" gnus-article-date-user)
1399 (gnus-define-keys (gnus-summary-wash-empty-map "E" gnus-summary-wash-map)
1400 "t" gnus-article-remove-trailing-blank-lines
1401 "l" gnus-article-strip-leading-blank-lines
1402 "m" gnus-article-strip-multiple-blank-lines
1403 "a" gnus-article-strip-blank-lines
1404 "A" gnus-article-strip-all-blank-lines
1405 "s" gnus-article-strip-leading-space)
1407 (gnus-define-keys (gnus-summary-help-map "H" gnus-summary-mode-map)
1409 "f" gnus-summary-fetch-faq
1410 "d" gnus-summary-describe-group
1411 "h" gnus-summary-describe-briefly
1412 "i" gnus-info-find-node)
1414 (gnus-define-keys (gnus-summary-backend-map "B" gnus-summary-mode-map)
1415 "e" gnus-summary-expire-articles
1416 "\M-\C-e" gnus-summary-expire-articles-now
1417 "\177" gnus-summary-delete-article
1418 [delete] gnus-summary-delete-article
1419 "m" gnus-summary-move-article
1420 "r" gnus-summary-respool-article
1421 "w" gnus-summary-edit-article
1422 "c" gnus-summary-copy-article
1423 "B" gnus-summary-crosspost-article
1424 "q" gnus-summary-respool-query
1425 "i" gnus-summary-import-article
1426 "p" gnus-summary-article-posted-p)
1428 (gnus-define-keys (gnus-summary-save-map "O" gnus-summary-mode-map)
1429 "o" gnus-summary-save-article
1430 "m" gnus-summary-save-article-mail
1431 "F" gnus-summary-write-article-file
1432 "r" gnus-summary-save-article-rmail
1433 "f" gnus-summary-save-article-file
1434 "b" gnus-summary-save-article-body-file
1435 "h" gnus-summary-save-article-folder
1436 "v" gnus-summary-save-article-vm
1437 "p" gnus-summary-pipe-output
1438 "s" gnus-soup-add-article))
1440 (defun gnus-summary-make-menu-bar ()
1441 (gnus-turn-off-edit-menu 'summary)
1443 (unless (boundp 'gnus-summary-misc-menu)
1446 gnus-summary-kill-menu gnus-summary-mode-map ""
1451 ["Enter score..." gnus-summary-score-entry t]
1452 ["Customize" gnus-score-customize t])
1453 (gnus-make-score-map 'increase)
1454 (gnus-make-score-map 'lower)
1456 ["Kill below" gnus-summary-kill-below t]
1457 ["Mark above" gnus-summary-mark-above t]
1458 ["Tick above" gnus-summary-tick-above t]
1459 ["Clear above" gnus-summary-clear-above t])
1460 ["Current score" gnus-summary-current-score t]
1461 ["Set score" gnus-summary-set-score t]
1462 ["Switch current score file..." gnus-score-change-score-file t]
1463 ["Set mark below..." gnus-score-set-mark-below t]
1464 ["Set expunge below..." gnus-score-set-expunge-below t]
1465 ["Edit current score file" gnus-score-edit-current-scores t]
1466 ["Edit score file" gnus-score-edit-file t]
1467 ["Trace score" gnus-score-find-trace t]
1468 ["Find words" gnus-score-find-favourite-words t]
1469 ["Rescore buffer" gnus-summary-rescore t]
1470 ["Increase score..." gnus-summary-increase-score t]
1471 ["Lower score..." gnus-summary-lower-score t]))))
1474 ["Ask" (gnus-score-set-default 'gnus-score-default-header nil)
1476 :selected (null gnus-score-default-header)]
1477 ["From" (gnus-score-set-default 'gnus-score-default-header 'a)
1479 :selected (eq gnus-score-default-header 'a)]
1480 ["Subject" (gnus-score-set-default 'gnus-score-default-header 's)
1482 :selected (eq gnus-score-default-header 's)]
1484 (gnus-score-set-default 'gnus-score-default-header 'b)
1486 :selected (eq gnus-score-default-header 'b )]
1488 (gnus-score-set-default 'gnus-score-default-header 'h)
1490 :selected (eq gnus-score-default-header 'h )]
1491 ["Message-ID" (gnus-score-set-default 'gnus-score-default-header 'i)
1493 :selected (eq gnus-score-default-header 'i )]
1494 ["Thread" (gnus-score-set-default 'gnus-score-default-header 't)
1496 :selected (eq gnus-score-default-header 't )]
1498 (gnus-score-set-default 'gnus-score-default-header 'x)
1500 :selected (eq gnus-score-default-header 'x )]
1501 ["Lines" (gnus-score-set-default 'gnus-score-default-header 'l)
1503 :selected (eq gnus-score-default-header 'l )]
1504 ["Date" (gnus-score-set-default 'gnus-score-default-header 'd)
1506 :selected (eq gnus-score-default-header 'd )]
1507 ["Followups to author"
1508 (gnus-score-set-default 'gnus-score-default-header 'f)
1510 :selected (eq gnus-score-default-header 'f )])
1512 ["Ask" (gnus-score-set-default 'gnus-score-default-type nil)
1514 :selected (null gnus-score-default-type)]
1515 ;; The `:active' key is commented out in the following,
1516 ;; because the GNU Emacs hack to support radio buttons use
1517 ;; active to indicate which button is selected.
1518 ["Substring" (gnus-score-set-default 'gnus-score-default-type 's)
1520 ;; :active (not (memq gnus-score-default-header '(l d)))
1521 :selected (eq gnus-score-default-type 's)]
1522 ["Regexp" (gnus-score-set-default 'gnus-score-default-type 'r)
1524 ;; :active (not (memq gnus-score-default-header '(l d)))
1525 :selected (eq gnus-score-default-type 'r)]
1526 ["Exact" (gnus-score-set-default 'gnus-score-default-type 'e)
1528 ;; :active (not (memq gnus-score-default-header '(l d)))
1529 :selected (eq gnus-score-default-type 'e)]
1530 ["Fuzzy" (gnus-score-set-default 'gnus-score-default-type 'f)
1532 ;; :active (not (memq gnus-score-default-header '(l d)))
1533 :selected (eq gnus-score-default-type 'f)]
1534 ["Before date" (gnus-score-set-default 'gnus-score-default-type 'b)
1536 ;; :active (eq (gnus-score-default-header 'd))
1537 :selected (eq gnus-score-default-type 'b)]
1538 ["At date" (gnus-score-set-default 'gnus-score-default-type 'n)
1540 ;; :active (eq (gnus-score-default-header 'd))
1541 :selected (eq gnus-score-default-type 'n)]
1542 ["After date" (gnus-score-set-default 'gnus-score-default-type 'a)
1544 ;; :active (eq (gnus-score-default-header 'd))
1545 :selected (eq gnus-score-default-type 'a)]
1547 (gnus-score-set-default 'gnus-score-default-type '<)
1549 ;; :active (eq (gnus-score-default-header 'l))
1550 :selected (eq gnus-score-default-type '<)]
1552 (gnus-score-set-default 'gnus-score-default-type '=)
1554 ;; :active (eq (gnus-score-default-header 'l))
1555 :selected (eq gnus-score-default-type '=)]
1556 ["Greater than number"
1557 (gnus-score-set-default 'gnus-score-default-type '>)
1559 ;; :active (eq (gnus-score-default-header 'l))
1560 :selected (eq gnus-score-default-type '>)])
1561 ["Default fold" gnus-score-default-fold-toggle
1563 :selected gnus-score-default-fold]
1565 ["Ask" (gnus-score-set-default 'gnus-score-default-duration nil)
1567 :selected (null gnus-score-default-duration)]
1569 (gnus-score-set-default 'gnus-score-default-duration 'p)
1571 :selected (eq gnus-score-default-duration 'p)]
1573 (gnus-score-set-default 'gnus-score-default-duration 't)
1575 :selected (eq gnus-score-default-duration 't)]
1577 (gnus-score-set-default 'gnus-score-default-duration 'i)
1579 :selected (eq gnus-score-default-duration 'i)]))
1582 gnus-summary-article-menu gnus-summary-mode-map ""
1585 ["All" gnus-article-hide t]
1586 ["Headers" gnus-article-hide-headers t]
1587 ["Signature" gnus-article-hide-signature t]
1588 ["Citation" gnus-article-hide-citation t]
1589 ["PGP" gnus-article-hide-pgp t]
1590 ["Boring headers" gnus-article-hide-boring-headers t])
1592 ["All" gnus-article-highlight t]
1593 ["Headers" gnus-article-highlight-headers t]
1594 ["Signature" gnus-article-highlight-signature t]
1595 ["Citation" gnus-article-highlight-citation t])
1597 ["Local" gnus-article-date-local t]
1598 ["ISO8601" gnus-article-date-iso8601 t]
1599 ["UT" gnus-article-date-ut t]
1600 ["Original" gnus-article-date-original t]
1601 ["Lapsed" gnus-article-date-lapsed t]
1602 ["User-defined" gnus-article-date-user t])
1605 ["Leading" gnus-article-strip-leading-blank-lines t]
1606 ["Multiple" gnus-article-strip-multiple-blank-lines t]
1607 ["Trailing" gnus-article-remove-trailing-blank-lines t]
1608 ["All of the above" gnus-article-strip-blank-lines t]
1609 ["All" gnus-article-strip-all-blank-lines t]
1610 ["Leading space" gnus-article-strip-leading-space t])
1611 ["Overstrike" gnus-article-treat-overstrike t]
1612 ["Dumb quotes" gnus-article-treat-dumbquotes t]
1613 ["Emphasis" gnus-article-emphasize t]
1614 ["Word wrap" gnus-article-fill-cited-article t]
1615 ["CR" gnus-article-remove-cr t]
1616 ["Show X-Face" gnus-article-display-x-face t]
1617 ["Quoted-Printable" gnus-article-de-quoted-unreadable t]
1618 ["UnHTMLize" gnus-article-treat-html t]
1619 ["Rot 13" gnus-summary-caesar-message t]
1620 ["Unix pipe" gnus-summary-pipe-message t]
1621 ["Add buttons" gnus-article-add-buttons t]
1622 ["Add buttons to head" gnus-article-add-buttons-to-head t]
1623 ["Stop page breaking" gnus-summary-stop-page-breaking t]
1624 ["Toggle MIME" gnus-summary-toggle-mime t]
1625 ["Verbose header" gnus-summary-verbose-headers t]
1626 ["Toggle header" gnus-summary-toggle-header t])
1628 ["Save in default format" gnus-summary-save-article t]
1629 ["Save in file" gnus-summary-save-article-file t]
1630 ["Save in Unix mail format" gnus-summary-save-article-mail t]
1631 ["Save in MH folder" gnus-summary-save-article-folder t]
1632 ["Save in VM folder" gnus-summary-save-article-vm t]
1633 ["Save in RMAIL mbox" gnus-summary-save-article-rmail t]
1634 ["Save body in file" gnus-summary-save-article-body-file t]
1635 ["Pipe through a filter" gnus-summary-pipe-output t]
1636 ["Add to SOUP packet" gnus-soup-add-article t]
1637 ["Print" gnus-summary-print-article t])
1639 ["Respool article..." gnus-summary-respool-article t]
1640 ["Move article..." gnus-summary-move-article
1641 (gnus-check-backend-function
1642 'request-move-article gnus-newsgroup-name)]
1643 ["Copy article..." gnus-summary-copy-article t]
1644 ["Crosspost article..." gnus-summary-crosspost-article
1645 (gnus-check-backend-function
1646 'request-replace-article gnus-newsgroup-name)]
1647 ["Import file..." gnus-summary-import-article t]
1648 ["Check if posted" gnus-summary-article-posted-p t]
1649 ["Edit article" gnus-summary-edit-article
1650 (not (gnus-group-read-only-p))]
1651 ["Delete article" gnus-summary-delete-article
1652 (gnus-check-backend-function
1653 'request-expire-articles gnus-newsgroup-name)]
1654 ["Query respool" gnus-summary-respool-query t]
1655 ["Delete expirable articles" gnus-summary-expire-articles-now
1656 (gnus-check-backend-function
1657 'request-expire-articles gnus-newsgroup-name)])
1659 ["Uudecode" gnus-uu-decode-uu t]
1660 ["Uudecode and save" gnus-uu-decode-uu-and-save t]
1661 ["Unshar" gnus-uu-decode-unshar t]
1662 ["Unshar and save" gnus-uu-decode-unshar-and-save t]
1663 ["Save" gnus-uu-decode-save t]
1664 ["Binhex" gnus-uu-decode-binhex t]
1665 ["Postscript" gnus-uu-decode-postscript t])
1667 ["Enter article" gnus-cache-enter-article t]
1668 ["Remove article" gnus-cache-remove-article t])
1669 ["Select article buffer" gnus-summary-select-article-buffer t]
1670 ["Enter digest buffer" gnus-summary-enter-digest-group t]
1671 ["Isearch article..." gnus-summary-isearch-article t]
1672 ["Beginning of the article" gnus-summary-beginning-of-article t]
1673 ["End of the article" gnus-summary-end-of-article t]
1674 ["Fetch parent of article" gnus-summary-refer-parent-article t]
1675 ["Fetch referenced articles" gnus-summary-refer-references t]
1676 ["Fetch current thread" gnus-summary-refer-thread t]
1677 ["Fetch article with id..." gnus-summary-refer-article t]
1678 ["Redisplay" gnus-summary-show-article t]))
1681 gnus-summary-thread-menu gnus-summary-mode-map ""
1683 ["Toggle threading" gnus-summary-toggle-threads t]
1684 ["Hide threads" gnus-summary-hide-all-threads t]
1685 ["Show threads" gnus-summary-show-all-threads t]
1686 ["Hide thread" gnus-summary-hide-thread t]
1687 ["Show thread" gnus-summary-show-thread t]
1688 ["Go to next thread" gnus-summary-next-thread t]
1689 ["Go to previous thread" gnus-summary-prev-thread t]
1690 ["Go down thread" gnus-summary-down-thread t]
1691 ["Go up thread" gnus-summary-up-thread t]
1692 ["Top of thread" gnus-summary-top-thread t]
1693 ["Mark thread as read" gnus-summary-kill-thread t]
1694 ["Lower thread score" gnus-summary-lower-thread t]
1695 ["Raise thread score" gnus-summary-raise-thread t]
1696 ["Rethread current" gnus-summary-rethread-current t]
1700 gnus-summary-post-menu gnus-summary-mode-map ""
1702 ["Post an article" gnus-summary-post-news t]
1703 ["Followup" gnus-summary-followup t]
1704 ["Followup and yank" gnus-summary-followup-with-original t]
1705 ["Supersede article" gnus-summary-supersede-article t]
1706 ["Cancel article" gnus-summary-cancel-article t]
1707 ["Reply" gnus-summary-reply t]
1708 ["Reply and yank" gnus-summary-reply-with-original t]
1709 ["Wide reply" gnus-summary-wide-reply t]
1710 ["Wide reply and yank" gnus-summary-wide-reply-with-original t]
1711 ["Mail forward" gnus-summary-mail-forward t]
1712 ["Post forward" gnus-summary-post-forward t]
1713 ["Digest and mail" gnus-uu-digest-mail-forward t]
1714 ["Digest and post" gnus-uu-digest-post-forward t]
1715 ["Resend message" gnus-summary-resend-message t]
1716 ["Send bounced mail" gnus-summary-resend-bounced-mail t]
1717 ["Send a mail" gnus-summary-mail-other-window t]
1718 ["Uuencode and post" gnus-uu-post-news t]
1719 ["Followup via news" gnus-summary-followup-to-mail t]
1720 ["Followup via news and yank"
1721 gnus-summary-followup-to-mail-with-original t]
1723 ;;["Send" gnus-summary-send-draft t]
1724 ;;["Send bounced" gnus-resend-bounced-mail t])
1728 gnus-summary-misc-menu gnus-summary-mode-map ""
1731 ["Mark as read" gnus-summary-mark-as-read-forward t]
1732 ["Mark same subject and select"
1733 gnus-summary-kill-same-subject-and-select t]
1734 ["Mark same subject" gnus-summary-kill-same-subject t]
1735 ["Catchup" gnus-summary-catchup t]
1736 ["Catchup all" gnus-summary-catchup-all t]
1737 ["Catchup to here" gnus-summary-catchup-to-here t]
1738 ["Catchup region" gnus-summary-mark-region-as-read t]
1739 ["Mark excluded" gnus-summary-limit-mark-excluded-as-read t])
1741 ["Tick" gnus-summary-tick-article-forward t]
1742 ["Mark as dormant" gnus-summary-mark-as-dormant t]
1743 ["Remove marks" gnus-summary-clear-mark-forward t]
1744 ["Set expirable mark" gnus-summary-mark-as-expirable t]
1745 ["Set bookmark" gnus-summary-set-bookmark t]
1746 ["Remove bookmark" gnus-summary-remove-bookmark t])
1748 ["Marks..." gnus-summary-limit-to-marks t]
1749 ["Subject..." gnus-summary-limit-to-subject t]
1750 ["Author..." gnus-summary-limit-to-author t]
1751 ["Age..." gnus-summary-limit-to-age t]
1752 ["Score" gnus-summary-limit-to-score t]
1753 ["Unread" gnus-summary-limit-to-unread t]
1754 ["Non-dormant" gnus-summary-limit-exclude-dormant t]
1755 ["Articles" gnus-summary-limit-to-articles t]
1756 ["Pop limit" gnus-summary-pop-limit t]
1757 ["Show dormant" gnus-summary-limit-include-dormant t]
1758 ["Hide childless dormant"
1759 gnus-summary-limit-exclude-childless-dormant t]
1760 ;;["Hide thread" gnus-summary-limit-exclude-thread t]
1761 ["Show expunged" gnus-summary-show-all-expunged t])
1763 ["Set mark" gnus-summary-mark-as-processable t]
1764 ["Remove mark" gnus-summary-unmark-as-processable t]
1765 ["Remove all marks" gnus-summary-unmark-all-processable t]
1766 ["Mark above" gnus-uu-mark-over t]
1767 ["Mark series" gnus-uu-mark-series t]
1768 ["Mark region" gnus-uu-mark-region t]
1769 ["Mark by regexp..." gnus-uu-mark-by-regexp t]
1770 ["Mark all" gnus-uu-mark-all t]
1771 ["Mark buffer" gnus-uu-mark-buffer t]
1772 ["Mark sparse" gnus-uu-mark-sparse t]
1773 ["Mark thread" gnus-uu-mark-thread t]
1774 ["Unmark thread" gnus-uu-unmark-thread t]
1775 ("Process Mark Sets"
1776 ["Kill" gnus-summary-kill-process-mark t]
1777 ["Yank" gnus-summary-yank-process-mark
1778 gnus-newsgroup-process-stack]
1779 ["Save" gnus-summary-save-process-mark t]))
1781 ["Page forward" gnus-summary-next-page t]
1782 ["Page backward" gnus-summary-prev-page t]
1783 ["Line forward" gnus-summary-scroll-up t])
1785 ["Next unread article" gnus-summary-next-unread-article t]
1786 ["Previous unread article" gnus-summary-prev-unread-article t]
1787 ["Next article" gnus-summary-next-article t]
1788 ["Previous article" gnus-summary-prev-article t]
1789 ["Next unread subject" gnus-summary-next-unread-subject t]
1790 ["Previous unread subject" gnus-summary-prev-unread-subject t]
1791 ["Next article same subject" gnus-summary-next-same-subject t]
1792 ["Previous article same subject" gnus-summary-prev-same-subject t]
1793 ["First unread article" gnus-summary-first-unread-article t]
1794 ["Best unread article" gnus-summary-best-unread-article t]
1795 ["Go to subject number..." gnus-summary-goto-subject t]
1796 ["Go to article number..." gnus-summary-goto-article t]
1797 ["Go to the last article" gnus-summary-goto-last-article t]
1798 ["Pop article off history" gnus-summary-pop-article t])
1800 ["Sort by number" gnus-summary-sort-by-number t]
1801 ["Sort by author" gnus-summary-sort-by-author t]
1802 ["Sort by subject" gnus-summary-sort-by-subject t]
1803 ["Sort by date" gnus-summary-sort-by-date t]
1804 ["Sort by score" gnus-summary-sort-by-score t]
1805 ["Sort by lines" gnus-summary-sort-by-lines t])
1807 ["Fetch group FAQ" gnus-summary-fetch-faq t]
1808 ["Describe group" gnus-summary-describe-group t]
1809 ["Read manual" gnus-info-find-node t])
1811 ["Pick and read" gnus-pick-mode t]
1812 ["Binary" gnus-binary-mode t])
1814 ["Regenerate" gnus-summary-prepare t]
1815 ["Insert cached articles" gnus-summary-insert-cached-articles t]
1816 ["Toggle threading" gnus-summary-toggle-threads t])
1817 ["Filter articles..." gnus-summary-execute-command t]
1818 ["Run command on subjects..." gnus-summary-universal-argument t]
1819 ["Search articles forward..." gnus-summary-search-article-forward t]
1820 ["Search articles backward..." gnus-summary-search-article-backward t]
1821 ["Toggle line truncation" gnus-summary-toggle-truncation t]
1822 ["Expand window" gnus-summary-expand-window t]
1823 ["Expire expirable articles" gnus-summary-expire-articles
1824 (gnus-check-backend-function
1825 'request-expire-articles gnus-newsgroup-name)]
1826 ["Edit local kill file" gnus-summary-edit-local-kill t]
1827 ["Edit main kill file" gnus-summary-edit-global-kill t]
1828 ["Edit group parameters" gnus-summary-edit-parameters t]
1830 ["Catchup and exit" gnus-summary-catchup-and-exit t]
1831 ["Catchup all and exit" gnus-summary-catchup-and-exit t]
1832 ["Catchup and goto next" gnus-summary-catchup-and-goto-next-group t]
1833 ["Exit group" gnus-summary-exit t]
1834 ["Exit group without updating" gnus-summary-exit-no-update t]
1835 ["Exit and goto next group" gnus-summary-next-group t]
1836 ["Exit and goto prev group" gnus-summary-prev-group t]
1837 ["Reselect group" gnus-summary-reselect-current-group t]
1838 ["Rescan group" gnus-summary-rescan-group t]
1839 ["Update dribble" gnus-summary-save-newsrc t])))
1841 (gnus-run-hooks 'gnus-summary-menu-hook)))
1843 (defun gnus-score-set-default (var value)
1844 "A version of set that updates the GNU Emacs menu-bar."
1846 ;; It is the message that forces the active status to be updated.
1849 (defun gnus-make-score-map (type)
1850 "Make a summary score map of type TYPE."
1853 (let ((headers '(("author" "from" string)
1854 ("subject" "subject" string)
1855 ("article body" "body" string)
1856 ("article head" "head" string)
1857 ("xref" "xref" string)
1858 ("lines" "lines" number)
1859 ("followups to author" "followup" string)))
1860 (types '((number ("less than" <)
1863 (string ("substring" s)
1867 (perms '(("temporary" (current-time-string))
1875 (if (eq type 'lower)
1880 (setq header (car headers))
1886 (let ((ts (cdr (assoc (nth 2 header) types)))
1902 'gnus-summary-score-entry
1904 (if (or (string= (nth 1 header)
1906 (string= (nth 1 header)
1909 (list 'gnus-summary-header
1911 (list 'quote (nth 1 (car ts)))
1912 (list 'gnus-score-default nil)
1918 (list (nreverse outp))))
1921 (list (nreverse outt))))
1923 (setq headers (cdr headers)))
1924 (list (nreverse outh))))))))
1928 (defun gnus-summary-mode (&optional group)
1929 "Major mode for reading articles.
1931 All normal editing commands are switched off.
1932 \\<gnus-summary-mode-map>
1933 Each line in this buffer represents one article. To read an
1934 article, you can, for instance, type `\\[gnus-summary-next-page]'. To move forwards
1935 and backwards while displaying articles, type `\\[gnus-summary-next-unread-article]' and `\\[gnus-summary-prev-unread-article]',
1938 You can also post articles and send mail from this buffer. To
1939 follow up an article, type `\\[gnus-summary-followup]'. To mail a reply to the author
1940 of an article, type `\\[gnus-summary-reply]'.
1942 There are approx. one gazillion commands you can execute in this
1943 buffer; read the info pages for more information (`\\[gnus-info-find-node]').
1945 The following commands are available:
1947 \\{gnus-summary-mode-map}"
1949 (when (gnus-visual-p 'summary-menu 'menu)
1950 (gnus-summary-make-menu-bar))
1951 (kill-all-local-variables)
1952 (gnus-summary-make-local-variables)
1953 (gnus-make-thread-indent-array)
1954 (gnus-simplify-mode-line)
1955 (setq major-mode 'gnus-summary-mode)
1956 (setq mode-name "Summary")
1957 (make-local-variable 'minor-mode-alist)
1958 (use-local-map gnus-summary-mode-map)
1959 (buffer-disable-undo (current-buffer))
1960 (setq buffer-read-only t) ;Disable modification
1961 (setq truncate-lines t)
1962 (setq selective-display t)
1963 (setq selective-display-ellipses t) ;Display `...'
1964 (gnus-summary-set-display-table)
1965 (gnus-set-default-directory)
1966 (setq gnus-newsgroup-name group)
1967 (make-local-variable 'gnus-summary-line-format)
1968 (make-local-variable 'gnus-summary-line-format-spec)
1969 (make-local-variable 'gnus-summary-dummy-line-format)
1970 (make-local-variable 'gnus-summary-dummy-line-format-spec)
1971 (make-local-variable 'gnus-summary-mark-positions)
1972 (make-local-hook 'post-command-hook)
1973 (add-hook 'post-command-hook 'gnus-clear-inboxes-moved nil t)
1974 (make-local-hook 'pre-command-hook)
1975 (add-hook 'pre-command-hook 'gnus-set-global-variables nil t)
1976 (gnus-run-hooks 'gnus-summary-mode-hook)
1977 (gnus-update-format-specifications nil 'summary 'summary-mode 'summary-dummy)
1978 (gnus-update-summary-mark-positions))
1980 (defun gnus-summary-make-local-variables ()
1981 "Make all the local summary buffer variables."
1982 (let ((locals gnus-summary-local-variables)
1984 (while (setq local (pop locals))
1987 (if (eq (cdr local) 'global)
1988 ;; Copy the global value of the variable.
1989 (setq global (symbol-value (car local)))
1990 ;; Use the value from the list.
1991 (setq global (eval (cdr local))))
1992 (make-local-variable (car local))
1993 (set (car local) global))
1994 ;; Simple nil-valued local variable.
1995 (make-local-variable local)
1998 (defun gnus-summary-clear-local-variables ()
1999 (let ((locals gnus-summary-local-variables))
2001 (if (consp (car locals))
2002 (and (vectorp (caar locals))
2003 (set (caar locals) nil))
2004 (and (vectorp (car locals))
2005 (set (car locals) nil)))
2006 (setq locals (cdr locals)))))
2008 ;; Summary data functions.
2010 (defmacro gnus-data-number (data)
2013 (defmacro gnus-data-set-number (data number)
2014 `(setcar ,data ,number))
2016 (defmacro gnus-data-mark (data)
2019 (defmacro gnus-data-set-mark (data mark)
2020 `(setcar (nthcdr 1 ,data) ,mark))
2022 (defmacro gnus-data-pos (data)
2025 (defmacro gnus-data-set-pos (data pos)
2026 `(setcar (nthcdr 2 ,data) ,pos))
2028 (defmacro gnus-data-header (data)
2031 (defmacro gnus-data-set-header (data header)
2032 `(setf (nth 3 ,data) ,header))
2034 (defmacro gnus-data-level (data)
2037 (defmacro gnus-data-unread-p (data)
2038 `(= (nth 1 ,data) gnus-unread-mark))
2040 (defmacro gnus-data-read-p (data)
2041 `(/= (nth 1 ,data) gnus-unread-mark))
2043 (defmacro gnus-data-pseudo-p (data)
2044 `(consp (nth 3 ,data)))
2046 (defmacro gnus-data-find (number)
2047 `(assq ,number gnus-newsgroup-data))
2049 (defmacro gnus-data-find-list (number &optional data)
2050 `(let ((bdata ,(or data 'gnus-newsgroup-data)))
2051 (memq (assq ,number bdata)
2054 (defmacro gnus-data-make (number mark pos header level)
2055 `(list ,number ,mark ,pos ,header ,level))
2057 (defun gnus-data-enter (after-article number mark pos header level offset)
2058 (let ((data (gnus-data-find-list after-article)))
2060 (error "No such article: %d" after-article))
2061 (setcdr data (cons (gnus-data-make number mark pos header level)
2063 (setq gnus-newsgroup-data-reverse nil)
2064 (gnus-data-update-list (cddr data) offset)))
2066 (defun gnus-data-enter-list (after-article list &optional offset)
2068 (let ((data (and after-article (gnus-data-find-list after-article)))
2070 (or data (not after-article) (error "No such article: %d" after-article))
2071 ;; Find the last element in the list to be spliced into the main
2074 (setq list (cdr list)))
2077 (setcdr list gnus-newsgroup-data)
2078 (setq gnus-newsgroup-data ilist)
2080 (gnus-data-update-list (cdr list) offset)))
2081 (setcdr list (cdr data))
2084 (gnus-data-update-list (cdr list) offset)))
2085 (setq gnus-newsgroup-data-reverse nil))))
2087 (defun gnus-data-remove (article &optional offset)
2088 (let ((data gnus-newsgroup-data))
2089 (if (= (gnus-data-number (car data)) article)
2091 (setq gnus-newsgroup-data (cdr gnus-newsgroup-data)
2092 gnus-newsgroup-data-reverse nil)
2094 (gnus-data-update-list gnus-newsgroup-data offset)))
2096 (when (= (gnus-data-number (cadr data)) article)
2097 (setcdr data (cddr data))
2099 (gnus-data-update-list (cdr data) offset))
2101 gnus-newsgroup-data-reverse nil))
2102 (setq data (cdr data))))))
2104 (defmacro gnus-data-list (backward)
2106 (or gnus-newsgroup-data-reverse
2107 (setq gnus-newsgroup-data-reverse
2108 (reverse gnus-newsgroup-data)))
2109 gnus-newsgroup-data))
2111 (defun gnus-data-update-list (data offset)
2112 "Add OFFSET to the POS of all data entries in DATA."
2114 (setcar (nthcdr 2 (car data)) (+ offset (nth 2 (car data))))
2115 (setq data (cdr data))))
2117 (defun gnus-data-compute-positions ()
2118 "Compute the positions of all articles."
2119 (let ((data gnus-newsgroup-data)
2122 (when (setq pos (text-property-any
2123 (point-min) (point-max)
2124 'gnus-number (gnus-data-number (car data))))
2125 (gnus-data-set-pos (car data) (+ pos 3)))
2126 (setq data (cdr data)))))
2128 (defun gnus-summary-article-pseudo-p (article)
2129 "Say whether this article is a pseudo article or not."
2130 (not (vectorp (gnus-data-header (gnus-data-find article)))))
2132 (defmacro gnus-summary-article-sparse-p (article)
2133 "Say whether this article is a sparse article or not."
2134 `(memq ,article gnus-newsgroup-sparse))
2136 (defmacro gnus-summary-article-ancient-p (article)
2137 "Say whether this article is a sparse article or not."
2138 `(memq ,article gnus-newsgroup-ancient))
2140 (defun gnus-article-parent-p (number)
2141 "Say whether this article is a parent or not."
2142 (let ((data (gnus-data-find-list number)))
2143 (and (cdr data) ; There has to be an article after...
2144 (< (gnus-data-level (car data)) ; And it has to have a higher level.
2145 (gnus-data-level (nth 1 data))))))
2147 (defun gnus-article-children (number)
2148 "Return a list of all children to NUMBER."
2149 (let* ((data (gnus-data-find-list number))
2150 (level (gnus-data-level (car data)))
2152 (setq data (cdr data))
2154 (= (gnus-data-level (car data)) (1+ level)))
2155 (push (gnus-data-number (car data)) children)
2156 (setq data (cdr data)))
2159 (defmacro gnus-summary-skip-intangible ()
2160 "If the current article is intangible, then jump to a different article."
2161 '(let ((to (get-text-property (point) 'gnus-intangible)))
2162 (and to (gnus-summary-goto-subject to))))
2164 (defmacro gnus-summary-article-intangible-p ()
2165 "Say whether this article is intangible or not."
2166 '(get-text-property (point) 'gnus-intangible))
2168 (defun gnus-article-read-p (article)
2169 "Say whether ARTICLE is read or not."
2170 (not (or (memq article gnus-newsgroup-marked)
2171 (memq article gnus-newsgroup-unreads)
2172 (memq article gnus-newsgroup-unselected)
2173 (memq article gnus-newsgroup-dormant))))
2175 ;; Some summary mode macros.
2177 (defmacro gnus-summary-article-number ()
2178 "The article number of the article on the current line.
2179 If there isn's an article number here, then we return the current
2182 (gnus-summary-skip-intangible)
2183 (or (get-text-property (point) 'gnus-number)
2184 (gnus-summary-last-subject))))
2186 (defmacro gnus-summary-article-header (&optional number)
2187 "Return the header of article NUMBER."
2188 `(gnus-data-header (gnus-data-find
2189 ,(or number '(gnus-summary-article-number)))))
2191 (defmacro gnus-summary-thread-level (&optional number)
2192 "Return the level of thread that starts with article NUMBER."
2193 `(if (and (eq gnus-summary-make-false-root 'dummy)
2194 (get-text-property (point) 'gnus-intangible))
2196 (gnus-data-level (gnus-data-find
2197 ,(or number '(gnus-summary-article-number))))))
2199 (defmacro gnus-summary-article-mark (&optional number)
2200 "Return the mark of article NUMBER."
2201 `(gnus-data-mark (gnus-data-find
2202 ,(or number '(gnus-summary-article-number)))))
2204 (defmacro gnus-summary-article-pos (&optional number)
2205 "Return the position of the line of article NUMBER."
2206 `(gnus-data-pos (gnus-data-find
2207 ,(or number '(gnus-summary-article-number)))))
2209 (defalias 'gnus-summary-subject-string 'gnus-summary-article-subject)
2210 (defmacro gnus-summary-article-subject (&optional number)
2211 "Return current subject string or nil if nothing."
2214 `(gnus-data-header (assq ,number gnus-newsgroup-data))
2215 '(gnus-data-header (assq (gnus-summary-article-number)
2216 gnus-newsgroup-data)))))
2219 (mail-header-subject headers))))
2221 (defmacro gnus-summary-article-score (&optional number)
2222 "Return current article score."
2223 `(or (cdr (assq ,(or number '(gnus-summary-article-number))
2224 gnus-newsgroup-scored))
2225 gnus-summary-default-score 0))
2227 (defun gnus-summary-article-children (&optional number)
2228 "Return a list of article numbers that are children of article NUMBER."
2229 (let* ((data (gnus-data-find-list (or number (gnus-summary-article-number))))
2230 (level (gnus-data-level (car data)))
2232 (while (and (setq data (cdr data))
2233 (> (setq l (gnus-data-level (car data))) level))
2234 (and (= (1+ level) l)
2235 (push (gnus-data-number (car data))
2237 (nreverse children)))
2239 (defun gnus-summary-article-parent (&optional number)
2240 "Return the article number of the parent of article NUMBER."
2241 (let* ((data (gnus-data-find-list (or number (gnus-summary-article-number))
2242 (gnus-data-list t)))
2243 (level (gnus-data-level (car data))))
2245 () ; This is a root.
2246 ;; We search until we find an article with a level less than
2247 ;; this one. That function has to be the parent.
2248 (while (and (setq data (cdr data))
2249 (not (< (gnus-data-level (car data)) level))))
2250 (and data (gnus-data-number (car data))))))
2252 (defun gnus-unread-mark-p (mark)
2253 "Say whether MARK is the unread mark."
2254 (= mark gnus-unread-mark))
2256 (defun gnus-read-mark-p (mark)
2257 "Say whether MARK is one of the marks that mark as read.
2258 This is all marks except unread, ticked, dormant, and expirable."
2259 (not (or (= mark gnus-unread-mark)
2260 (= mark gnus-ticked-mark)
2261 (= mark gnus-dormant-mark)
2262 (= mark gnus-expirable-mark))))
2264 (defmacro gnus-article-mark (number)
2265 "Return the MARK of article NUMBER.
2266 This macro should only be used when computing the mark the \"first\"
2267 time; i.e., when generating the summary lines. After that,
2268 `gnus-summary-article-mark' should be used to examine the
2271 ((memq ,number gnus-newsgroup-unsendable) gnus-unsendable-mark)
2272 ((memq ,number gnus-newsgroup-undownloaded) gnus-undownloaded-mark)
2273 ((memq ,number gnus-newsgroup-downloadable) gnus-downloadable-mark)
2274 ((memq ,number gnus-newsgroup-unreads) gnus-unread-mark)
2275 ((memq ,number gnus-newsgroup-marked) gnus-ticked-mark)
2276 ((memq ,number gnus-newsgroup-dormant) gnus-dormant-mark)
2277 ((memq ,number gnus-newsgroup-expirable) gnus-expirable-mark)
2278 (t (or (cdr (assq ,number gnus-newsgroup-reads))
2279 gnus-ancient-mark))))
2281 ;; Saving hidden threads.
2283 (put 'gnus-save-hidden-threads 'lisp-indent-function 0)
2284 (put 'gnus-save-hidden-threads 'edebug-form-spec '(body))
2286 (defmacro gnus-save-hidden-threads (&rest forms)
2287 "Save hidden threads, eval FORMS, and restore the hidden threads."
2288 (let ((config (make-symbol "config")))
2289 `(let ((,config (gnus-hidden-threads-configuration)))
2293 (gnus-restore-hidden-threads-configuration ,config)))))
2295 (defun gnus-hidden-threads-configuration ()
2296 "Return the current hidden threads configuration."
2299 (goto-char (point-min))
2300 (while (search-forward "\r" nil t)
2301 (push (1- (point)) config))
2304 (defun gnus-restore-hidden-threads-configuration (config)
2305 "Restore hidden threads configuration from CONFIG."
2306 (let (point buffer-read-only)
2307 (while (setq point (pop config))
2308 (when (and (< point (point-max))
2310 (= (following-char) ?\n))
2311 (subst-char-in-region point (1+ point) ?\n ?\r)))))
2313 ;; Various summary mode internalish functions.
2315 (defun gnus-mouse-pick-article (e)
2318 (gnus-summary-next-page nil t))
2320 (defun gnus-summary-set-display-table ()
2321 ;; Change the display table. Odd characters have a tendency to mess
2322 ;; up nicely formatted displays - we make all possible glyphs
2323 ;; display only a single character.
2325 ;; We start from the standard display table, if any.
2326 (let ((table (or (copy-sequence standard-display-table)
2327 (make-display-table)))
2329 ;; Nix out all the control chars...
2330 (while (>= (setq i (1- i)) 0)
2331 (aset table i [??]))
2332 ;; ... but not newline and cr, of course. (cr is necessary for the
2333 ;; selective display).
2334 (aset table ?\n nil)
2335 (aset table ?\r nil)
2336 ;; We keep TAB as well.
2337 (aset table ?\t nil)
2338 ;; We nix out any glyphs over 126 that are not set already.
2340 (while (>= (setq i (1- i)) 127)
2341 ;; Only modify if the entry is nil.
2342 (unless (aref table i)
2343 (aset table i [??]))))
2344 (setq buffer-display-table table)))
2346 (defun gnus-summary-setup-buffer (group)
2347 "Initialize summary buffer."
2348 (let ((buffer (concat "*Summary " group "*")))
2349 (if (get-buffer buffer)
2352 (setq gnus-summary-buffer (current-buffer))
2353 (not gnus-newsgroup-prepared))
2354 ;; Fix by Sudish Joseph <joseph@cis.ohio-state.edu>
2355 (setq gnus-summary-buffer (set-buffer (get-buffer-create buffer)))
2356 (gnus-add-current-to-buffer-list)
2357 (gnus-summary-mode group)
2359 (gnus-carpal-setup-buffer 'summary))
2360 (unless gnus-single-article-buffer
2361 (make-local-variable 'gnus-article-buffer)
2362 (make-local-variable 'gnus-article-current)
2363 (make-local-variable 'gnus-original-article-buffer))
2364 (setq gnus-newsgroup-name group)
2367 (defun gnus-set-global-variables ()
2368 ;; Set the global equivalents of the summary buffer-local variables
2369 ;; to the latest values they had. These reflect the summary buffer
2370 ;; that was in action when the last article was fetched.
2371 (when (eq major-mode 'gnus-summary-mode)
2372 (setq gnus-summary-buffer (current-buffer))
2373 (let ((name gnus-newsgroup-name)
2374 (marked gnus-newsgroup-marked)
2375 (unread gnus-newsgroup-unreads)
2376 (headers gnus-current-headers)
2377 (data gnus-newsgroup-data)
2378 (summary gnus-summary-buffer)
2379 (article-buffer gnus-article-buffer)
2380 (original gnus-original-article-buffer)
2381 (gac gnus-article-current)
2382 (reffed gnus-reffed-article-number)
2383 (score-file gnus-current-score-file))
2385 (set-buffer gnus-group-buffer)
2386 (setq gnus-newsgroup-name name
2387 gnus-newsgroup-marked marked
2388 gnus-newsgroup-unreads unread
2389 gnus-current-headers headers
2390 gnus-newsgroup-data data
2391 gnus-article-current gac
2392 gnus-summary-buffer summary
2393 gnus-article-buffer article-buffer
2394 gnus-original-article-buffer original
2395 gnus-reffed-article-number reffed
2396 gnus-current-score-file score-file)
2397 ;; The article buffer also has local variables.
2398 (when (gnus-buffer-live-p gnus-article-buffer)
2399 (set-buffer gnus-article-buffer)
2400 (setq gnus-summary-buffer summary))))))
2402 (defun gnus-summary-article-unread-p (article)
2403 "Say whether ARTICLE is unread or not."
2404 (memq article gnus-newsgroup-unreads))
2406 (defun gnus-summary-first-article-p (&optional article)
2407 "Return whether ARTICLE is the first article in the buffer."
2408 (if (not (setq article (or article (gnus-summary-article-number))))
2410 (eq article (caar gnus-newsgroup-data))))
2412 (defun gnus-summary-last-article-p (&optional article)
2413 "Return whether ARTICLE is the last article in the buffer."
2414 (if (not (setq article (or article (gnus-summary-article-number))))
2415 t ; All non-existent numbers are the last article. :-)
2416 (not (cdr (gnus-data-find-list article)))))
2418 (defun gnus-make-thread-indent-array ()
2420 (unless (and gnus-thread-indent-array
2421 (= gnus-thread-indent-level gnus-thread-indent-array-level))
2422 (setq gnus-thread-indent-array (make-vector 201 "")
2423 gnus-thread-indent-array-level gnus-thread-indent-level)
2425 (aset gnus-thread-indent-array n
2426 (make-string (* n gnus-thread-indent-level) ? ))
2429 (defun gnus-update-summary-mark-positions ()
2430 "Compute where the summary marks are to go."
2432 (when (and gnus-summary-buffer
2433 (get-buffer gnus-summary-buffer)
2434 (buffer-name (get-buffer gnus-summary-buffer)))
2435 (set-buffer gnus-summary-buffer))
2436 (let ((gnus-replied-mark 129)
2437 (gnus-score-below-mark 130)
2438 (gnus-score-over-mark 130)
2439 (gnus-download-mark 131)
2440 (spec gnus-summary-line-format-spec)
2441 thread gnus-visual pos)
2443 (gnus-set-work-buffer)
2444 (let ((gnus-summary-line-format-spec spec)
2445 (gnus-newsgroup-downloadable '((0 . t))))
2446 (gnus-summary-insert-line
2447 [0 "" "" "" "" "" 0 0 ""] 0 nil 128 t nil "" nil 1)
2448 (goto-char (point-min))
2449 (setq pos (list (cons 'unread (and (search-forward "\200" nil t)
2451 (goto-char (point-min))
2452 (push (cons 'replied (and (search-forward "\201" nil t)
2455 (goto-char (point-min))
2456 (push (cons 'score (and (search-forward "\202" nil t) (- (point) 2)))
2458 (goto-char (point-min))
2459 (push (cons 'download
2460 (and (search-forward "\203" nil t) (- (point) 2)))
2462 (setq gnus-summary-mark-positions pos))))
2464 (defun gnus-summary-insert-dummy-line (gnus-tmp-subject gnus-tmp-number)
2465 "Insert a dummy root in the summary buffer."
2467 (gnus-add-text-properties
2468 (point) (progn (eval gnus-summary-dummy-line-format-spec) (point))
2469 (list 'gnus-number gnus-tmp-number 'gnus-intangible gnus-tmp-number)))
2471 (defun gnus-summary-insert-line (gnus-tmp-header
2472 gnus-tmp-level gnus-tmp-current
2473 gnus-tmp-unread gnus-tmp-replied
2474 gnus-tmp-expirable gnus-tmp-subject-or-nil
2475 &optional gnus-tmp-dummy gnus-tmp-score
2477 (let* ((gnus-tmp-indentation (aref gnus-thread-indent-array gnus-tmp-level))
2478 (gnus-tmp-lines (mail-header-lines gnus-tmp-header))
2479 (gnus-tmp-score (or gnus-tmp-score gnus-summary-default-score 0))
2480 (gnus-tmp-score-char
2481 (if (or (null gnus-summary-default-score)
2482 (<= (abs (- gnus-tmp-score gnus-summary-default-score))
2483 gnus-summary-zcore-fuzz))
2485 (if (< gnus-tmp-score gnus-summary-default-score)
2486 gnus-score-below-mark gnus-score-over-mark)))
2488 (cond (gnus-tmp-process gnus-process-mark)
2489 ((memq gnus-tmp-current gnus-newsgroup-cached)
2491 (gnus-tmp-replied gnus-replied-mark)
2492 ((memq gnus-tmp-current gnus-newsgroup-saved)
2494 (t gnus-unread-mark)))
2495 (gnus-tmp-from (mail-header-from gnus-tmp-header))
2498 ((string-match "<[^>]+> *$" gnus-tmp-from)
2499 (let ((beg (match-beginning 0)))
2500 (or (and (string-match "^\"[^\"]*\"" gnus-tmp-from)
2501 (substring gnus-tmp-from (1+ (match-beginning 0))
2502 (1- (match-end 0))))
2503 (substring gnus-tmp-from 0 beg))))
2504 ((string-match "(.+)" gnus-tmp-from)
2505 (substring gnus-tmp-from
2506 (1+ (match-beginning 0)) (1- (match-end 0))))
2508 (gnus-tmp-subject (mail-header-subject gnus-tmp-header))
2509 (gnus-tmp-number (mail-header-number gnus-tmp-header))
2510 (gnus-tmp-opening-bracket (if gnus-tmp-dummy ?\< ?\[))
2511 (gnus-tmp-closing-bracket (if gnus-tmp-dummy ?\> ?\]))
2512 (buffer-read-only nil))
2513 (when (string= gnus-tmp-name "")
2514 (setq gnus-tmp-name gnus-tmp-from))
2515 (unless (numberp gnus-tmp-lines)
2516 (setq gnus-tmp-lines 0))
2517 (gnus-put-text-property
2519 (progn (eval gnus-summary-line-format-spec) (point))
2520 'gnus-number gnus-tmp-number)
2521 (when (gnus-visual-p 'summary-highlight 'highlight)
2523 (gnus-run-hooks 'gnus-summary-update-hook)
2526 (defun gnus-summary-update-line (&optional dont-update)
2527 ;; Update summary line after change.
2528 (when (and gnus-summary-default-score
2529 (not gnus-summary-inhibit-highlight))
2530 (let* ((gnus-summary-inhibit-highlight t) ; Prevent recursion.
2531 (article (gnus-summary-article-number))
2532 (score (gnus-summary-article-score article)))
2534 (if (and gnus-summary-mark-below
2535 (< (gnus-summary-article-score)
2536 gnus-summary-mark-below))
2537 ;; This article has a low score, so we mark it as read.
2538 (when (memq article gnus-newsgroup-unreads)
2539 (gnus-summary-mark-article-as-read gnus-low-score-mark))
2540 (when (eq (gnus-summary-article-mark) gnus-low-score-mark)
2541 ;; This article was previously marked as read on account
2542 ;; of a low score, but now it has risen, so we mark it as
2544 (gnus-summary-mark-article-as-unread gnus-unread-mark)))
2545 (gnus-summary-update-mark
2546 (if (or (null gnus-summary-default-score)
2547 (<= (abs (- score gnus-summary-default-score))
2548 gnus-summary-zcore-fuzz))
2550 (if (< score gnus-summary-default-score)
2551 gnus-score-below-mark gnus-score-over-mark))
2553 ;; Do visual highlighting.
2554 (when (gnus-visual-p 'summary-highlight 'highlight)
2555 (gnus-run-hooks 'gnus-summary-update-hook)))))
2557 (defvar gnus-tmp-new-adopts nil)
2559 (defun gnus-summary-number-of-articles-in-thread (thread &optional level char)
2560 "Return the number of articles in THREAD.
2561 This may be 0 in some cases -- if none of the articles in
2562 the thread are to be displayed."
2564 ;; Fix by Luc Van Eycken <Luc.VanEycken@esat.kuleuven.ac.be>.
2566 ((not (listp thread))
2568 ((and (consp thread) (cdr thread))
2571 'gnus-summary-number-of-articles-in-thread (cdr thread))))
2574 ((memq (mail-header-number (car thread)) gnus-newsgroup-limit)
2577 (when (and level (zerop level) gnus-tmp-new-adopts)
2580 'gnus-summary-number-of-articles-in-thread
2581 gnus-tmp-new-adopts))))
2583 (if (> number 1) gnus-not-empty-thread-mark
2584 gnus-empty-thread-mark)
2587 (defun gnus-summary-set-local-parameters (group)
2588 "Go through the local params of GROUP and set all variable specs in that list."
2589 (let ((params (gnus-group-find-parameter group))
2592 (setq elem (car params)
2593 params (cdr params))
2594 (and (consp elem) ; Has to be a cons.
2595 (consp (cdr elem)) ; The cdr has to be a list.
2596 (symbolp (car elem)) ; Has to be a symbol in there.
2597 (ignore-errors ; So we set it.
2598 (make-local-variable (car elem))
2599 (set (car elem) (eval (nth 1 elem))))))))
2601 (defun gnus-summary-read-group (group &optional show-all no-article
2602 kill-buffer no-display backward)
2603 "Start reading news in newsgroup GROUP.
2604 If SHOW-ALL is non-nil, already read articles are also listed.
2605 If NO-ARTICLE is non-nil, no article is selected initially.
2606 If NO-DISPLAY, don't generate a summary buffer."
2610 (let ((gnus-auto-select-next nil))
2611 (or (gnus-summary-read-group-1
2612 group show-all no-article
2613 kill-buffer no-display)
2614 (setq show-all nil)))))
2615 (eq gnus-auto-select-next 'quietly))
2616 (set-buffer gnus-group-buffer)
2617 ;; The entry function called above goes to the next
2618 ;; group automatically, so we go two groups back
2619 ;; if we are searching for the previous group.
2621 (gnus-group-prev-unread-group 2))
2622 (if (not (equal group (gnus-group-group-name)))
2623 (setq group (gnus-group-group-name))
2627 (defun gnus-summary-read-group-1 (group show-all no-article
2628 kill-buffer no-display)
2629 ;; Killed foreign groups can't be entered.
2630 (when (and (not (gnus-group-native-p group))
2631 (not (gnus-gethash group gnus-newsrc-hashtb)))
2632 (error "Dead non-native groups can't be entered"))
2633 (gnus-message 5 "Retrieving newsgroup: %s..." group)
2634 (let* ((new-group (gnus-summary-setup-buffer group))
2635 (quit-config (gnus-group-quit-config group))
2636 (did-select (and new-group (gnus-select-newsgroup group show-all))))
2638 ;; This summary buffer exists already, so we just select it.
2640 (gnus-set-global-variables)
2642 (gnus-kill-or-deaden-summary kill-buffer))
2643 (gnus-configure-windows 'summary 'force)
2644 (gnus-set-mode-line 'summary)
2645 (gnus-summary-position-point)
2648 ;; We couldn't select this group.
2650 (when (and (eq major-mode 'gnus-summary-mode)
2651 (not (equal (current-buffer) kill-buffer)))
2652 (kill-buffer (current-buffer))
2653 (if (not quit-config)
2655 ;; Update the info -- marks might need to be removed,
2657 (gnus-summary-update-info)
2658 (set-buffer gnus-group-buffer)
2659 (gnus-group-jump-to-group group)
2660 (gnus-group-next-unread-group 1))
2661 (gnus-handle-ephemeral-exit quit-config)))
2662 (gnus-message 3 "Can't select group")
2664 ;; The user did a `C-g' while prompting for number of articles,
2665 ;; so we exit this group.
2666 ((eq did-select 'quit)
2667 (and (eq major-mode 'gnus-summary-mode)
2668 (not (equal (current-buffer) kill-buffer))
2669 (kill-buffer (current-buffer)))
2671 (gnus-kill-or-deaden-summary kill-buffer))
2672 (if (not quit-config)
2674 (set-buffer gnus-group-buffer)
2675 (gnus-group-jump-to-group group)
2676 (gnus-group-next-unread-group 1)
2677 (gnus-configure-windows 'group 'force))
2678 (gnus-handle-ephemeral-exit quit-config))
2679 ;; Finally signal the quit.
2681 ;; The group was successfully selected.
2683 (gnus-set-global-variables)
2684 ;; Save the active value in effect when the group was entered.
2685 (setq gnus-newsgroup-active
2687 (gnus-active gnus-newsgroup-name)))
2688 ;; You can change the summary buffer in some way with this hook.
2689 (gnus-run-hooks 'gnus-select-group-hook)
2690 ;; Set any local variables in the group parameters.
2691 (gnus-summary-set-local-parameters gnus-newsgroup-name)
2692 (gnus-update-format-specifications
2693 nil 'summary 'summary-mode 'summary-dummy)
2694 ;; Do score processing.
2695 (when gnus-use-scoring
2696 (gnus-possibly-score-headers))
2697 ;; Check whether to fill in the gaps in the threads.
2698 (when gnus-build-sparse-threads
2699 (gnus-build-sparse-threads))
2700 ;; Find the initial limit.
2701 (if gnus-show-threads
2703 (let ((gnus-newsgroup-dormant nil))
2704 (gnus-summary-initial-limit show-all))
2705 (gnus-summary-initial-limit show-all))
2706 (setq gnus-newsgroup-limit
2708 (lambda (header) (mail-header-number header))
2709 gnus-newsgroup-headers)))
2710 ;; Generate the summary buffer.
2712 (gnus-summary-prepare))
2713 (when gnus-use-trees
2714 (gnus-tree-open group)
2715 (setq gnus-summary-highlight-line-function
2716 'gnus-tree-highlight-article))
2717 ;; If the summary buffer is empty, but there are some low-scored
2718 ;; articles or some excluded dormants, we include these in the
2720 (when (and (zerop (buffer-size))
2722 (cond (gnus-newsgroup-dormant
2723 (gnus-summary-limit-include-dormant))
2724 ((and gnus-newsgroup-scored show-all)
2725 (gnus-summary-limit-include-expunged t))))
2726 ;; Function `gnus-apply-kill-file' must be called in this hook.
2727 (gnus-run-hooks 'gnus-apply-kill-hook)
2728 (if (and (zerop (buffer-size))
2731 ;; This newsgroup is empty.
2732 (gnus-summary-catchup-and-exit nil t)
2733 (gnus-message 6 "No unread news")
2735 (gnus-kill-or-deaden-summary kill-buffer))
2736 ;; Return nil from this function.
2738 ;; Hide conversation thread subtrees. We cannot do this in
2739 ;; gnus-summary-prepare-hook since kill processing may not
2740 ;; work with hidden articles.
2741 (and gnus-show-threads
2742 gnus-thread-hide-subtree
2743 (gnus-summary-hide-all-threads))
2745 (gnus-kill-or-deaden-summary kill-buffer))
2746 ;; Show first unread article if requested.
2747 (if (and (not no-article)
2749 gnus-newsgroup-unreads
2750 gnus-auto-select-first)
2751 (unless (if (eq gnus-auto-select-first 'best)
2752 (gnus-summary-best-unread-article)
2753 (gnus-summary-first-unread-article))
2754 (gnus-configure-windows 'summary))
2755 ;; Don't select any articles, just move point to the first
2756 ;; article in the group.
2757 (goto-char (point-min))
2758 (gnus-summary-position-point)
2759 (gnus-configure-windows 'summary 'force)
2760 (gnus-set-mode-line 'summary))
2761 (when (get-buffer-window gnus-group-buffer t)
2762 ;; Gotta use windows, because recenter does weird stuff if
2763 ;; the current buffer ain't the displayed window.
2764 (let ((owin (selected-window)))
2765 (select-window (get-buffer-window gnus-group-buffer t))
2766 (when (gnus-group-goto-group group)
2768 (select-window owin)))
2769 ;; Mark this buffer as "prepared".
2770 (setq gnus-newsgroup-prepared t)
2771 (gnus-run-hooks 'gnus-summary-prepared-hook)
2774 (defun gnus-summary-prepare ()
2775 "Generate the summary buffer."
2777 (let ((buffer-read-only nil))
2779 (setq gnus-newsgroup-data nil
2780 gnus-newsgroup-data-reverse nil)
2781 (gnus-run-hooks 'gnus-summary-generate-hook)
2782 ;; Generate the buffer, either with threads or without.
2783 (when gnus-newsgroup-headers
2784 (gnus-summary-prepare-threads
2785 (if gnus-show-threads
2786 (gnus-sort-gathered-threads
2787 (funcall gnus-summary-thread-gathering-function
2789 (gnus-cut-threads (gnus-make-threads)))))
2790 ;; Unthreaded display.
2791 (gnus-sort-articles gnus-newsgroup-headers))))
2792 (setq gnus-newsgroup-data (nreverse gnus-newsgroup-data))
2793 ;; Call hooks for modifying summary buffer.
2794 (goto-char (point-min))
2795 (gnus-run-hooks 'gnus-summary-prepare-hook)))
2797 (defsubst gnus-general-simplify-subject (subject)
2798 "Simply subject by the same rules as gnus-gather-threads-by-subject."
2801 ;; Truncate the subject.
2802 (gnus-simplify-subject-functions
2803 (gnus-map-function gnus-simplify-subject-functions subject))
2804 ((numberp gnus-summary-gather-subject-limit)
2805 (setq subject (gnus-simplify-subject-re subject))
2806 (if (> (length subject) gnus-summary-gather-subject-limit)
2807 (substring subject 0 gnus-summary-gather-subject-limit)
2809 ;; Fuzzily simplify it.
2810 ((eq 'fuzzy gnus-summary-gather-subject-limit)
2811 (gnus-simplify-subject-fuzzy subject))
2812 ;; Just remove the leading "Re:".
2814 (gnus-simplify-subject-re subject))))
2816 (if (and gnus-summary-gather-exclude-subject
2817 (string-match gnus-summary-gather-exclude-subject subject))
2818 nil ; This article shouldn't be gathered
2821 (defun gnus-summary-simplify-subject-query ()
2822 "Query where the respool algorithm would put this article."
2824 (gnus-summary-select-article)
2825 (message (gnus-general-simplify-subject (gnus-summary-article-subject))))
2827 (defun gnus-gather-threads-by-subject (threads)
2828 "Gather threads by looking at Subject headers."
2829 (if (not gnus-summary-make-false-root)
2831 (let ((hashtb (gnus-make-hashtable 1024))
2834 subject hthread whole-subject)
2836 (setq subject (gnus-general-simplify-subject
2837 (setq whole-subject (mail-header-subject
2840 (if (setq hthread (gnus-gethash subject hashtb))
2842 ;; We enter a dummy root into the thread, if we
2843 ;; haven't done that already.
2844 (unless (stringp (caar hthread))
2845 (setcar hthread (list whole-subject (car hthread))))
2846 ;; We add this new gathered thread to this gathered
2848 (setcdr (car hthread)
2849 (nconc (cdar hthread) (list (car threads))))
2850 ;; Remove it from the list of threads.
2851 (setcdr prev (cdr threads))
2852 (setq threads prev))
2853 ;; Enter this thread into the hash table.
2854 (gnus-sethash subject threads hashtb)))
2856 (setq threads (cdr threads)))
2859 (defun gnus-gather-threads-by-references (threads)
2860 "Gather threads by looking at References headers."
2861 (let ((idhashtb (gnus-make-hashtable 1024))
2862 (thhashtb (gnus-make-hashtable 1024))
2865 ids references id gthread gid entered ref)
2867 (when (setq references (mail-header-references (caar threads)))
2868 (setq id (mail-header-id (caar threads))
2869 ids (gnus-split-references references)
2871 (while (setq ref (pop ids))
2872 (setq ids (delete ref ids))
2873 (if (not (setq gid (gnus-gethash ref idhashtb)))
2875 (gnus-sethash ref id idhashtb)
2876 (gnus-sethash id threads thhashtb))
2877 (setq gthread (gnus-gethash gid thhashtb))
2879 ;; We enter a dummy root into the thread, if we
2880 ;; haven't done that already.
2881 (unless (stringp (caar gthread))
2882 (setcar gthread (list (mail-header-subject (caar gthread))
2884 ;; We add this new gathered thread to this gathered
2886 (setcdr (car gthread)
2887 (nconc (cdar gthread) (list (car threads)))))
2888 ;; Add it into the thread hash table.
2889 (gnus-sethash id gthread thhashtb)
2891 ;; Remove it from the list of threads.
2892 (setcdr prev (cdr threads))
2893 (setq threads prev))))
2895 (setq threads (cdr threads)))
2898 (defun gnus-sort-gathered-threads (threads)
2899 "Sort subtreads inside each gathered thread by article number."
2900 (let ((result threads))
2902 (when (stringp (caar threads))
2903 (setcdr (car threads)
2904 (sort (cdar threads) 'gnus-thread-sort-by-number)))
2905 (setq threads (cdr threads)))
2908 (defun gnus-thread-loop-p (root thread)
2909 "Say whether ROOT is in THREAD."
2910 (let ((stack (list thread))
2913 (while (setq thread (pop stack))
2914 (setq th (cdr thread))
2916 (not (eq (caar th) root)))
2919 ;; We have found a loop.
2921 (setcdr thread (delq (car th) (cdr thread)))
2922 (if (boundp (setq ref-dep (intern "none"
2923 gnus-newsgroup-dependencies)))
2924 (setcdr (symbol-value ref-dep)
2925 (nconc (cdr (symbol-value ref-dep))
2927 (set ref-dep (list nil (car th))))
2930 ;; Push all the subthreads onto the stack.
2931 (push (cdr thread) stack)))
2934 (defun gnus-make-threads ()
2935 "Go through the dependency hashtb and find the roots. Return all threads."
2937 (while (catch 'infloop
2940 ;; Deal with self-referencing References loops.
2941 (when (and (car (symbol-value refs))
2948 (car (symbol-value refs)) thread))
2949 (cdr (symbol-value refs)))))))
2952 (unless (car (symbol-value refs))
2953 ;; These threads do not refer back to any other articles,
2954 ;; so they're roots.
2955 (setq threads (append (cdr (symbol-value refs)) threads))))
2956 gnus-newsgroup-dependencies)))
2959 (defun gnus-build-sparse-threads ()
2960 (let ((headers gnus-newsgroup-headers)
2961 (deps gnus-newsgroup-dependencies)
2962 header references generation relations
2963 cthread subject child end pthread relation new-child)
2964 ;; First we create an alist of generations/relations, where
2965 ;; generations is how much we trust the relation, and the relation
2967 (gnus-message 7 "Making sparse threads...")
2969 (nnheader-set-temp-buffer " *gnus sparse threads*")
2970 (while (setq header (pop headers))
2971 (when (and (setq references (mail-header-references header))
2972 (not (string= references "")))
2974 (setq child (mail-header-id header)
2975 subject (mail-header-subject header))
2977 (while (search-backward ">" nil t)
2978 (setq end (1+ (point)))
2979 (when (search-backward "<" nil t)
2980 (unless (string= (setq new-child (buffer-substring (point) end))
2982 (push (list (incf generation)
2983 child (setq child new-child)
2986 (push (list (1+ generation) child nil subject) relations)
2988 (kill-buffer (current-buffer)))
2989 ;; Sort over trustworthiness.
2990 (setq relations (sort relations 'car-less-than-car))
2991 (while (setq relation (pop relations))
2992 (when (if (boundp (setq cthread (intern (cadr relation) deps)))
2993 (unless (car (symbol-value cthread))
2994 ;; Make this article the parent of these threads.
2995 (setcar (symbol-value cthread)
2996 (vector gnus-reffed-article-number
3000 (or (caddr relation) "") 0 0 "")))
3001 (set cthread (list (vector gnus-reffed-article-number
3003 "" "" (cadr relation)
3004 (or (caddr relation) "") 0 0 ""))))
3005 (push gnus-reffed-article-number gnus-newsgroup-limit)
3006 (push gnus-reffed-article-number gnus-newsgroup-sparse)
3007 (push (cons gnus-reffed-article-number gnus-sparse-mark)
3008 gnus-newsgroup-reads)
3009 (decf gnus-reffed-article-number)
3010 ;; Make this new thread the child of its parent.
3011 (if (boundp (setq pthread (intern (or (caddr relation) "none") deps)))
3012 (setcdr (symbol-value pthread)
3013 (nconc (cdr (symbol-value pthread))
3014 (list (symbol-value cthread))))
3015 (set pthread (list nil (symbol-value cthread))))))
3016 (gnus-message 7 "Making sparse threads...done")))
3018 (defun gnus-build-old-threads ()
3019 ;; Look at all the articles that refer back to old articles, and
3020 ;; fetch the headers for the articles that aren't there. This will
3021 ;; build complete threads - if the roots haven't been expired by the
3026 (when (not (car (symbol-value refs)))
3027 (setq heads (cdr (symbol-value refs)))
3029 (if (memq (mail-header-number (caar heads))
3030 gnus-newsgroup-dormant)
3031 (setq heads (cdr heads))
3032 (setq id (symbol-name refs))
3033 (while (and (setq id (gnus-build-get-header id))
3034 (not (car (gnus-gethash
3035 id gnus-newsgroup-dependencies)))))
3036 (setq heads nil)))))
3037 gnus-newsgroup-dependencies)))
3039 (defun gnus-build-get-header (id)
3040 ;; Look through the buffer of NOV lines and find the header to
3041 ;; ID. Enter this line into the dependencies hash table, and return
3042 ;; the id of the parent article (if any).
3043 (let ((deps gnus-newsgroup-dependencies)
3047 (set-buffer nntp-server-buffer)
3048 (let ((case-fold-search nil))
3049 (goto-char (point-min))
3050 (while (and (not found)
3051 (search-forward id nil t))
3053 (setq found (looking-at
3054 (format "^[^\t]*\t[^\t]*\t[^\t]*\t[^\t]*\t%s"
3055 (regexp-quote id))))
3056 (or found (beginning-of-line 2)))
3060 (setq header (gnus-nov-parse-line
3061 (read (current-buffer)) deps))
3062 (gnus-parent-id (mail-header-references header))))))
3064 (let ((number (mail-header-number header)))
3065 (push number gnus-newsgroup-limit)
3066 (push header gnus-newsgroup-headers)
3067 (if (memq number gnus-newsgroup-unselected)
3069 (push number gnus-newsgroup-unreads)
3070 (setq gnus-newsgroup-unselected
3071 (delq number gnus-newsgroup-unselected)))
3072 (push number gnus-newsgroup-ancient)))))))
3074 (defun gnus-build-all-threads ()
3075 "Read all the headers."
3076 (let ((deps gnus-newsgroup-dependencies)
3077 (gnus-summary-ignore-duplicates t)
3078 found header article)
3080 (set-buffer nntp-server-buffer)
3081 (let ((case-fold-search nil))
3082 (goto-char (point-min))
3085 (setq article (read (current-buffer)))
3086 (setq header (gnus-nov-parse-line article deps)))
3088 (push header gnus-newsgroup-headers)
3089 (if (memq (setq article (mail-header-number header))
3090 gnus-newsgroup-unselected)
3092 (push article gnus-newsgroup-unreads)
3093 (setq gnus-newsgroup-unselected
3094 (delq article gnus-newsgroup-unselected)))
3095 (push article gnus-newsgroup-ancient))
3096 (forward-line 1)))))))
3098 (defun gnus-summary-update-article-line (article header)
3099 "Update the line for ARTICLE using HEADERS."
3100 (let* ((id (mail-header-id header))
3101 (thread (gnus-id-to-thread id)))
3103 (error "Article in no thread"))
3104 ;; Update the thread.
3105 (setcar thread header)
3106 (gnus-summary-goto-subject article)
3107 (let* ((datal (gnus-data-find-list article))
3109 (length (when (cdr datal)
3110 (- (gnus-data-pos data)
3111 (gnus-data-pos (cadr datal)))))
3112 (buffer-read-only nil)
3113 (level (gnus-summary-thread-level)))
3115 (gnus-summary-insert-line
3116 header level nil (gnus-article-mark article)
3117 (memq article gnus-newsgroup-replied)
3118 (memq article gnus-newsgroup-expirable)
3119 ;; Only insert the Subject string when it's different
3120 ;; from the previous Subject string.
3121 (if (gnus-subject-equal
3123 (mail-header-subject
3126 (gnus-data-find-list
3128 (gnus-data-list t)))))
3129 ;; Error on the side of excessive subjects.
3131 (mail-header-subject header))
3133 (mail-header-subject header))
3134 nil (cdr (assq article gnus-newsgroup-scored))
3135 (memq article gnus-newsgroup-processable))
3137 (gnus-data-update-list
3138 (cdr datal) (- length (- (gnus-data-pos data) (point))))))))
3140 (defun gnus-summary-update-article (article &optional iheader)
3141 "Update ARTICLE in the summary buffer."
3142 (set-buffer gnus-summary-buffer)
3143 (let* ((header (or iheader (gnus-summary-article-header article)))
3144 (id (mail-header-id header))
3145 (data (gnus-data-find article))
3146 (thread (gnus-id-to-thread id))
3147 (references (mail-header-references header))
3151 (when (and references
3152 (not (equal "" references)))
3155 (buffer-read-only nil)
3157 (number (mail-header-number header))
3160 ;; !!! Should this be in or not?
3162 (setcar thread nil))
3164 (delq thread parent))
3165 (if (gnus-summary-insert-subject id header iheader)
3166 ;; Set the (possibly) new article number in the data structure.
3167 (gnus-data-set-number data (gnus-id-to-article id))
3171 (defun gnus-rebuild-thread (id)
3172 "Rebuild the thread containing ID."
3173 (let ((buffer-read-only nil)
3174 old-pos current thread data)
3175 (if (not gnus-show-threads)
3176 (setq thread (list (car (gnus-id-to-thread id))))
3177 ;; Get the thread this article is part of.
3178 (setq thread (gnus-remove-thread id)))
3179 (setq old-pos (gnus-point-at-bol))
3180 (setq current (save-excursion
3181 (and (zerop (forward-line -1))
3182 (gnus-summary-article-number))))
3183 ;; If this is a gathered thread, we have to go some re-gathering.
3184 (when (stringp (car thread))
3185 (let ((subject (car thread))
3187 (setq thread (cdr thread))
3189 (unless (memq (setq thr (gnus-id-to-thread
3191 (mail-header-id (caar thread)))))
3194 (setq thread (cdr thread)))
3195 ;; We now have all (unique) roots.
3196 (if (= (length roots) 1)
3197 ;; All the loose roots are now one solid root.
3198 (setq thread (car roots))
3199 (setq thread (cons subject (gnus-sort-threads roots))))))
3201 ;; We then insert this thread into the summary buffer.
3202 (let (gnus-newsgroup-data gnus-newsgroup-threads)
3203 (if gnus-show-threads
3204 (gnus-summary-prepare-threads (gnus-cut-threads (list thread)))
3205 (gnus-summary-prepare-unthreaded thread))
3206 (setq data (nreverse gnus-newsgroup-data))
3207 (setq threads gnus-newsgroup-threads))
3208 ;; We splice the new data into the data structure.
3209 (gnus-data-enter-list current data (- (point) old-pos))
3210 (setq gnus-newsgroup-threads (nconc threads gnus-newsgroup-threads)))))
3212 (defun gnus-number-to-header (number)
3213 "Return the header for article NUMBER."
3214 (let ((headers gnus-newsgroup-headers))
3216 (not (= number (mail-header-number (car headers)))))
3221 (defun gnus-parent-headers (headers &optional generation)
3222 "Return the headers of the GENERATIONeth parent of HEADERS."
3224 (setq generation 1))
3227 (while (and parent headers (not (zerop generation)))
3228 (setq references (mail-header-references headers))
3229 (when (and references
3230 (setq parent (gnus-parent-id references))
3231 (setq headers (car (gnus-id-to-thread parent))))
3235 (defun gnus-id-to-thread (id)
3236 "Return the (sub-)thread where ID appears."
3237 (gnus-gethash id gnus-newsgroup-dependencies))
3239 (defun gnus-id-to-article (id)
3240 "Return the article number of ID."
3241 (let ((thread (gnus-id-to-thread id)))
3244 (mail-header-number (car thread)))))
3246 (defun gnus-id-to-header (id)
3247 "Return the article headers of ID."
3248 (car (gnus-id-to-thread id)))
3250 (defun gnus-article-displayed-root-p (article)
3251 "Say whether ARTICLE is a root(ish) article."
3252 (let ((level (gnus-summary-thread-level article))
3253 (refs (mail-header-references (gnus-summary-article-header article)))
3259 ((null (gnus-parent-id refs)) t)
3261 (null (setq particle (gnus-id-to-article
3262 (gnus-parent-id refs))))
3263 (null (gnus-summary-thread-level particle)))))))
3265 (defun gnus-root-id (id)
3266 "Return the id of the root of the thread where ID appears."
3268 (while (and id (setq prev (car (gnus-gethash
3269 id gnus-newsgroup-dependencies))))
3271 id (gnus-parent-id (mail-header-references prev))))
3274 (defun gnus-articles-in-thread (thread)
3275 "Return the list of articles in THREAD."
3276 (cons (mail-header-number (car thread))
3277 (apply 'nconc (mapcar 'gnus-articles-in-thread (cdr thread)))))
3279 (defun gnus-remove-thread (id &optional dont-remove)
3280 "Remove the thread that has ID in it."
3281 (let ((dep gnus-newsgroup-dependencies)
3282 headers thread last-id)
3283 ;; First go up in this thread until we find the root.
3284 (setq last-id (gnus-root-id id))
3285 (setq headers (list (car (gnus-id-to-thread last-id))
3286 (caadr (gnus-id-to-thread last-id))))
3287 ;; We have now found the real root of this thread. It might have
3288 ;; been gathered into some loose thread, so we have to search
3289 ;; through the threads to find the thread we wanted.
3290 (let ((threads gnus-newsgroup-threads)
3293 (setq sub (car threads))
3294 (if (stringp (car sub))
3295 ;; This is a gathered thread, so we look at the roots
3296 ;; below it to find whether this article is in this
3299 (setq sub (cdr sub))
3301 (when (member (caar sub) headers)
3302 (setq thread (car threads)
3305 (setq sub (cdr sub))))
3306 ;; It's an ordinary thread, so we check it.
3307 (when (eq (car sub) (car headers))
3310 (setq threads (cdr threads)))
3311 ;; If this article is in no thread, then it's a root.
3314 (setq gnus-newsgroup-threads (delq thread gnus-newsgroup-threads)))
3315 (setq thread (gnus-gethash last-id dep)))
3318 thread ; We return this thread.
3320 (if (stringp (car thread))
3322 ;; If we use dummy roots, then we have to remove the
3323 ;; dummy root as well.
3324 (when (eq gnus-summary-make-false-root 'dummy)
3326 (gnus-data-compute-positions))
3327 (setq thread (cdr thread))
3329 (gnus-remove-thread-1 (car thread))
3330 (setq thread (cdr thread))))
3331 (gnus-remove-thread-1 thread))))))))
3333 (defun gnus-remove-thread-1 (thread)
3334 "Remove the thread THREAD recursively."
3335 (let ((number (mail-header-number (pop thread)))
3337 (setq thread (reverse thread))
3339 (gnus-remove-thread-1 (pop thread)))
3340 (when (setq d (gnus-data-find number))
3341 (goto-char (gnus-data-pos d))
3344 (- (gnus-point-at-bol)
3346 (1+ (gnus-point-at-eol))
3347 (gnus-delete-line)))))))
3349 (defun gnus-sort-threads (threads)
3351 (if (not gnus-thread-sort-functions)
3353 (gnus-message 7 "Sorting threads...")
3355 (sort threads (gnus-make-sort-function gnus-thread-sort-functions))
3356 (gnus-message 7 "Sorting threads...done"))))
3358 (defun gnus-sort-articles (articles)
3360 (when gnus-article-sort-functions
3361 (gnus-message 7 "Sorting articles...")
3363 (setq gnus-newsgroup-headers
3364 (sort articles (gnus-make-sort-function
3365 gnus-article-sort-functions)))
3366 (gnus-message 7 "Sorting articles...done"))))
3368 ;; Written by Hallvard B Furuseth <h.b.furuseth@usit.uio.no>.
3369 (defmacro gnus-thread-header (thread)
3370 ;; Return header of first article in THREAD.
3371 ;; Note that THREAD must never, ever be anything else than a variable -
3372 ;; using some other form will lead to serious barfage.
3373 (or (symbolp thread) (signal 'wrong-type-argument '(symbolp thread)))
3374 ;; (8% speedup to gnus-summary-prepare, just for fun :-)
3375 (list 'byte-code "\10\211:\203\17\0\211@;\203\16\0A@@\207" ;
3378 (defsubst gnus-article-sort-by-number (h1 h2)
3379 "Sort articles by article number."
3380 (< (mail-header-number h1)
3381 (mail-header-number h2)))
3383 (defun gnus-thread-sort-by-number (h1 h2)
3384 "Sort threads by root article number."
3385 (gnus-article-sort-by-number
3386 (gnus-thread-header h1) (gnus-thread-header h2)))
3388 (defsubst gnus-article-sort-by-lines (h1 h2)
3389 "Sort articles by article Lines header."
3390 (< (mail-header-lines h1)
3391 (mail-header-lines h2)))
3393 (defun gnus-thread-sort-by-lines (h1 h2)
3394 "Sort threads by root article Lines header."
3395 (gnus-article-sort-by-lines
3396 (gnus-thread-header h1) (gnus-thread-header h2)))
3398 (defsubst gnus-article-sort-by-author (h1 h2)
3399 "Sort articles by root author."
3401 (let ((extract (funcall
3402 gnus-extract-address-components
3403 (mail-header-from h1))))
3404 (or (car extract) (cadr extract) ""))
3405 (let ((extract (funcall
3406 gnus-extract-address-components
3407 (mail-header-from h2))))
3408 (or (car extract) (cadr extract) ""))))
3410 (defun gnus-thread-sort-by-author (h1 h2)
3411 "Sort threads by root author."
3412 (gnus-article-sort-by-author
3413 (gnus-thread-header h1) (gnus-thread-header h2)))
3415 (defsubst gnus-article-sort-by-subject (h1 h2)
3416 "Sort articles by root subject."
3418 (downcase (gnus-simplify-subject-re (mail-header-subject h1)))
3419 (downcase (gnus-simplify-subject-re (mail-header-subject h2)))))
3421 (defun gnus-thread-sort-by-subject (h1 h2)
3422 "Sort threads by root subject."
3423 (gnus-article-sort-by-subject
3424 (gnus-thread-header h1) (gnus-thread-header h2)))
3426 (defsubst gnus-article-sort-by-date (h1 h2)
3427 "Sort articles by root article date."
3429 (gnus-date-get-time (mail-header-date h1))
3430 (gnus-date-get-time (mail-header-date h2))))
3432 (defun gnus-thread-sort-by-date (h1 h2)
3433 "Sort threads by root article date."
3434 (gnus-article-sort-by-date
3435 (gnus-thread-header h1) (gnus-thread-header h2)))
3437 (defsubst gnus-article-sort-by-score (h1 h2)
3438 "Sort articles by root article score.
3439 Unscored articles will be counted as having a score of zero."
3440 (> (or (cdr (assq (mail-header-number h1)
3441 gnus-newsgroup-scored))
3442 gnus-summary-default-score 0)
3443 (or (cdr (assq (mail-header-number h2)
3444 gnus-newsgroup-scored))
3445 gnus-summary-default-score 0)))
3447 (defun gnus-thread-sort-by-score (h1 h2)
3448 "Sort threads by root article score."
3449 (gnus-article-sort-by-score
3450 (gnus-thread-header h1) (gnus-thread-header h2)))
3452 (defun gnus-thread-sort-by-total-score (h1 h2)
3453 "Sort threads by the sum of all scores in the thread.
3454 Unscored articles will be counted as having a score of zero."
3455 (> (gnus-thread-total-score h1) (gnus-thread-total-score h2)))
3457 (defun gnus-thread-total-score (thread)
3458 ;; This function find the total score of THREAD.
3459 (cond ((null thread)
3462 (if (stringp (car thread))
3463 (apply gnus-thread-score-function 0
3464 (mapcar 'gnus-thread-total-score-1 (cdr thread)))
3465 (gnus-thread-total-score-1 thread)))
3467 (gnus-thread-total-score-1 (list thread)))))
3469 (defun gnus-thread-total-score-1 (root)
3470 ;; This function find the total score of the thread below ROOT.
3471 (setq root (car root))
3472 (apply gnus-thread-score-function
3474 (mapcar 'gnus-thread-total-score
3475 (cdr (gnus-gethash (mail-header-id root)
3476 gnus-newsgroup-dependencies)))
3477 (when (> (mail-header-number root) 0)
3478 (list (or (cdr (assq (mail-header-number root)
3479 gnus-newsgroup-scored))
3480 gnus-summary-default-score 0))))
3481 (list gnus-summary-default-score)
3484 ;; Added by Per Abrahamsen <amanda@iesd.auc.dk>.
3485 (defvar gnus-tmp-prev-subject nil)
3486 (defvar gnus-tmp-false-parent nil)
3487 (defvar gnus-tmp-root-expunged nil)
3488 (defvar gnus-tmp-dummy-line nil)
3490 (defun gnus-summary-prepare-threads (threads)
3491 "Prepare summary buffer from THREADS and indentation LEVEL.
3492 THREADS is either a list of `(PARENT [(CHILD1 [(GRANDCHILD ...]...) ...])'
3493 or a straight list of headers."
3494 (gnus-message 7 "Generating summary...")
3496 (setq gnus-newsgroup-threads threads)
3499 (let ((gnus-tmp-level 0)
3500 (default-score (or gnus-summary-default-score 0))
3501 (gnus-visual-p (gnus-visual-p 'summary-highlight 'highlight))
3502 thread number subject stack state gnus-tmp-gathered beg-match
3503 new-roots gnus-tmp-new-adopts thread-end
3504 gnus-tmp-header gnus-tmp-unread
3505 gnus-tmp-replied gnus-tmp-subject-or-nil
3506 gnus-tmp-dummy gnus-tmp-indentation gnus-tmp-lines gnus-tmp-score
3507 gnus-tmp-score-char gnus-tmp-from gnus-tmp-name
3508 gnus-tmp-number gnus-tmp-opening-bracket gnus-tmp-closing-bracket)
3510 (setq gnus-tmp-prev-subject nil)
3512 (if (vectorp (car threads))
3513 ;; If this is a straight (sic) list of headers, then a
3514 ;; threaded summary display isn't required, so we just create
3515 ;; an unthreaded one.
3516 (gnus-summary-prepare-unthreaded threads)
3518 ;; Do the threaded display.
3520 (while (or threads stack gnus-tmp-new-adopts new-roots)
3522 (if (and (= gnus-tmp-level 0)
3523 (not (setq gnus-tmp-dummy-line nil))
3526 (not gnus-tmp-false-parent)
3527 (or gnus-tmp-new-adopts new-roots))
3528 (if gnus-tmp-new-adopts
3529 (setq gnus-tmp-level (if gnus-tmp-root-expunged 0 1)
3530 thread (list (car gnus-tmp-new-adopts))
3531 gnus-tmp-header (caar thread)
3532 gnus-tmp-new-adopts (cdr gnus-tmp-new-adopts))
3534 (setq thread (list (car new-roots))
3535 gnus-tmp-header (caar thread)
3536 new-roots (cdr new-roots))))
3539 ;; If there are some threads, we do them before the
3540 ;; threads on the stack.
3541 (setq thread threads
3542 gnus-tmp-header (caar thread))
3543 ;; There were no current threads, so we pop something off
3545 (setq state (car stack)
3546 gnus-tmp-level (car state)
3549 gnus-tmp-header (caar thread))))
3551 (setq gnus-tmp-false-parent nil)
3552 (setq gnus-tmp-root-expunged nil)
3553 (setq thread-end nil)
3555 (if (stringp gnus-tmp-header)
3556 ;; The header is a dummy root.
3558 ((eq gnus-summary-make-false-root 'adopt)
3559 ;; We let the first article adopt the rest.
3560 (setq gnus-tmp-new-adopts (nconc gnus-tmp-new-adopts
3562 (setq gnus-tmp-gathered
3564 (lambda (h) (mail-header-number (car h)))
3567 (setq thread (cons (list (caar thread)
3570 (setq gnus-tmp-level -1
3571 gnus-tmp-false-parent t))
3572 ((eq gnus-summary-make-false-root 'empty)
3573 ;; We print adopted articles with empty subject fields.
3574 (setq gnus-tmp-gathered
3576 (lambda (h) (mail-header-number (car h)))
3579 (setq gnus-tmp-level -1))
3580 ((eq gnus-summary-make-false-root 'dummy)
3581 ;; We remember that we probably want to output a dummy
3583 (setq gnus-tmp-dummy-line gnus-tmp-header)
3584 (setq gnus-tmp-prev-subject gnus-tmp-header))
3586 ;; We do not make a root for the gathered
3587 ;; sub-threads at all.
3588 (setq gnus-tmp-level -1)))
3590 (setq number (mail-header-number gnus-tmp-header)
3591 subject (mail-header-subject gnus-tmp-header))
3594 ;; If the thread has changed subject, we might want to make
3595 ;; this subthread into a root.
3596 ((and (null gnus-thread-ignore-subject)
3597 (not (zerop gnus-tmp-level))
3598 gnus-tmp-prev-subject
3600 (gnus-subject-equal gnus-tmp-prev-subject subject))))
3601 (setq new-roots (nconc new-roots (list (car thread)))
3603 gnus-tmp-header nil))
3604 ;; If the article lies outside the current limit,
3605 ;; then we do not display it.
3606 ((not (memq number gnus-newsgroup-limit))
3607 (setq gnus-tmp-gathered
3609 (lambda (h) (mail-header-number (car h)))
3612 (setq gnus-tmp-new-adopts (if (cdar thread)
3613 (append gnus-tmp-new-adopts
3615 gnus-tmp-new-adopts)
3617 gnus-tmp-header nil)
3618 (when (zerop gnus-tmp-level)
3619 (setq gnus-tmp-root-expunged t)))
3620 ;; Perhaps this article is to be marked as read?
3621 ((and gnus-summary-mark-below
3622 (< (or (cdr (assq number gnus-newsgroup-scored))
3624 gnus-summary-mark-below)
3625 ;; Don't touch sparse articles.
3626 (not (gnus-summary-article-sparse-p number))
3627 (not (gnus-summary-article-ancient-p number)))
3628 (setq gnus-newsgroup-unreads
3629 (delq number gnus-newsgroup-unreads))
3630 (if gnus-newsgroup-auto-expire
3631 (push number gnus-newsgroup-expirable)
3632 (push (cons number gnus-low-score-mark)
3633 gnus-newsgroup-reads))))
3635 (when gnus-tmp-header
3636 ;; We may have an old dummy line to output before this
3638 (when gnus-tmp-dummy-line
3639 (gnus-summary-insert-dummy-line
3640 gnus-tmp-dummy-line (mail-header-number gnus-tmp-header))
3641 (setq gnus-tmp-dummy-line nil))
3643 ;; Compute the mark.
3644 (setq gnus-tmp-unread (gnus-article-mark number))
3646 (push (gnus-data-make number gnus-tmp-unread (1+ (point))
3647 gnus-tmp-header gnus-tmp-level)
3648 gnus-newsgroup-data)
3650 ;; Actually insert the line.
3652 gnus-tmp-subject-or-nil
3654 ((and gnus-thread-ignore-subject
3655 gnus-tmp-prev-subject
3656 (not (inline (gnus-subject-equal
3657 gnus-tmp-prev-subject subject))))
3659 ((zerop gnus-tmp-level)
3660 (if (and (eq gnus-summary-make-false-root 'empty)
3661 (memq number gnus-tmp-gathered)
3662 gnus-tmp-prev-subject
3663 (inline (gnus-subject-equal
3664 gnus-tmp-prev-subject subject)))
3665 gnus-summary-same-subject
3667 (t gnus-summary-same-subject)))
3668 (if (and (eq gnus-summary-make-false-root 'adopt)
3669 (= gnus-tmp-level 1)
3670 (memq number gnus-tmp-gathered))
3671 (setq gnus-tmp-opening-bracket ?\<
3672 gnus-tmp-closing-bracket ?\>)
3673 (setq gnus-tmp-opening-bracket ?\[
3674 gnus-tmp-closing-bracket ?\]))
3676 gnus-tmp-indentation
3677 (aref gnus-thread-indent-array gnus-tmp-level)
3678 gnus-tmp-lines (mail-header-lines gnus-tmp-header)
3679 gnus-tmp-score (or (cdr (assq number gnus-newsgroup-scored))
3680 gnus-summary-default-score 0)
3682 (if (or (null gnus-summary-default-score)
3683 (<= (abs (- gnus-tmp-score gnus-summary-default-score))
3684 gnus-summary-zcore-fuzz))
3686 (if (< gnus-tmp-score gnus-summary-default-score)
3687 gnus-score-below-mark gnus-score-over-mark))
3689 (cond ((memq number gnus-newsgroup-processable)
3691 ((memq number gnus-newsgroup-cached)
3693 ((memq number gnus-newsgroup-replied)
3695 ((memq number gnus-newsgroup-saved)
3697 (t gnus-unread-mark))
3698 gnus-tmp-from (mail-header-from gnus-tmp-header)
3701 ((string-match "<[^>]+> *$" gnus-tmp-from)
3702 (setq beg-match (match-beginning 0))
3703 (or (and (string-match "^\"[^\"]*\"" gnus-tmp-from)
3704 (substring gnus-tmp-from (1+ (match-beginning 0))
3705 (1- (match-end 0))))
3706 (substring gnus-tmp-from 0 beg-match)))
3707 ((string-match "(.+)" gnus-tmp-from)
3708 (substring gnus-tmp-from
3709 (1+ (match-beginning 0)) (1- (match-end 0))))
3711 (when (string= gnus-tmp-name "")
3712 (setq gnus-tmp-name gnus-tmp-from))
3713 (unless (numberp gnus-tmp-lines)
3714 (setq gnus-tmp-lines 0))
3715 (gnus-put-text-property
3717 (progn (eval gnus-summary-line-format-spec) (point))
3718 'gnus-number number)
3721 (gnus-run-hooks 'gnus-summary-update-hook)
3724 (setq gnus-tmp-prev-subject subject)))
3726 (when (nth 1 thread)
3727 (push (cons (max 0 gnus-tmp-level) (nthcdr 1 thread)) stack))
3728 (incf gnus-tmp-level)
3729 (setq threads (if thread-end nil (cdar thread)))
3731 (setq gnus-tmp-level 0)))))
3732 (gnus-message 7 "Generating summary...done"))
3734 (defun gnus-summary-prepare-unthreaded (headers)
3735 "Generate an unthreaded summary buffer based on HEADERS."
3736 (let (header number mark)
3741 ;; We may have to root out some bad articles...
3742 (when (memq (setq number (mail-header-number
3743 (setq header (pop headers))))
3744 gnus-newsgroup-limit)
3745 ;; Mark article as read when it has a low score.
3746 (when (and gnus-summary-mark-below
3747 (< (or (cdr (assq number gnus-newsgroup-scored))
3748 gnus-summary-default-score 0)
3749 gnus-summary-mark-below)
3750 (not (gnus-summary-article-ancient-p number)))
3751 (setq gnus-newsgroup-unreads
3752 (delq number gnus-newsgroup-unreads))
3753 (if gnus-newsgroup-auto-expire
3754 (push number gnus-newsgroup-expirable)
3755 (push (cons number gnus-low-score-mark)
3756 gnus-newsgroup-reads)))
3758 (setq mark (gnus-article-mark number))
3759 (push (gnus-data-make number mark (1+ (point)) header 0)
3760 gnus-newsgroup-data)
3761 (gnus-summary-insert-line
3763 mark (memq number gnus-newsgroup-replied)
3764 (memq number gnus-newsgroup-expirable)
3765 (mail-header-subject header) nil
3766 (cdr (assq number gnus-newsgroup-scored))
3767 (memq number gnus-newsgroup-processable))))))
3769 (defun gnus-select-newsgroup (group &optional read-all)
3770 "Select newsgroup GROUP.
3771 If READ-ALL is non-nil, all articles in the group are selected."
3772 (let* ((entry (gnus-gethash group gnus-newsrc-hashtb))
3773 ;;!!! Dirty hack; should be removed.
3774 (gnus-summary-ignore-duplicates
3775 (if (eq (car (gnus-find-method-for-group group)) 'nnvirtual)
3777 gnus-summary-ignore-duplicates))
3778 (info (nth 2 entry))
3779 articles fetched-articles cached)
3781 (unless (gnus-check-server
3782 (setq gnus-current-select-method
3783 (gnus-find-method-for-group group)))
3784 (error "Couldn't open server"))
3786 (or (and entry (not (eq (car entry) t))) ; Either it's active...
3787 (gnus-activate-group group) ; Or we can activate it...
3788 (progn ; Or we bug out.
3789 (when (equal major-mode 'gnus-summary-mode)
3790 (kill-buffer (current-buffer)))
3791 (error "Couldn't request group %s: %s"
3792 group (gnus-status-message group))))
3794 (unless (gnus-request-group group t)
3795 (when (equal major-mode 'gnus-summary-mode)
3796 (kill-buffer (current-buffer)))
3797 (error "Couldn't request group %s: %s"
3798 group (gnus-status-message group)))
3800 (setq gnus-newsgroup-name group)
3801 (setq gnus-newsgroup-unselected nil)
3802 (setq gnus-newsgroup-unreads (gnus-list-of-unread-articles group))
3804 ;; Adjust and set lists of article marks.
3806 (gnus-adjust-marked-articles info))
3808 ;; Kludge to avoid having cached articles nixed out in virtual groups.
3809 (when (gnus-virtual-group-p group)
3810 (setq cached gnus-newsgroup-cached))
3812 (setq gnus-newsgroup-unreads
3813 (gnus-set-difference
3814 (gnus-set-difference gnus-newsgroup-unreads gnus-newsgroup-marked)
3815 gnus-newsgroup-dormant))
3817 (setq gnus-newsgroup-processable nil)
3819 (gnus-update-read-articles group gnus-newsgroup-unreads)
3820 (unless (gnus-ephemeral-group-p gnus-newsgroup-name)
3821 (gnus-group-update-group group))
3823 (setq articles (gnus-articles-to-read group read-all))
3827 ;;(gnus-message 3 "Couldn't select newsgroup -- no articles to display")
3829 ((eq articles 0) nil)
3831 ;; Init the dependencies hash table.
3832 (setq gnus-newsgroup-dependencies
3833 (gnus-make-hashtable (length articles)))
3834 ;; Retrieve the headers and read them in.
3835 (gnus-message 5 "Fetching headers for %s..." gnus-newsgroup-name)
3836 (setq gnus-newsgroup-headers
3838 (setq gnus-headers-retrieved-by
3839 (gnus-retrieve-headers
3840 articles gnus-newsgroup-name
3841 ;; We might want to fetch old headers, but
3842 ;; not if there is only 1 article.
3843 (and gnus-fetch-old-headers
3845 (not (eq gnus-fetch-old-headers 'some))
3846 (not (numberp gnus-fetch-old-headers)))
3847 (> (length articles) 1))))))
3848 (gnus-get-newsgroup-headers-xover
3849 articles nil nil gnus-newsgroup-name t)
3850 (gnus-get-newsgroup-headers)))
3851 (gnus-message 5 "Fetching headers for %s...done" gnus-newsgroup-name)
3853 ;; Kludge to avoid having cached articles nixed out in virtual groups.
3855 (setq gnus-newsgroup-cached cached))
3857 ;; Suppress duplicates?
3858 (when gnus-suppress-duplicates
3859 (gnus-dup-suppress-articles))
3861 ;; Set the initial limit.
3862 (setq gnus-newsgroup-limit (copy-sequence articles))
3863 ;; Remove canceled articles from the list of unread articles.
3864 (setq gnus-newsgroup-unreads
3865 (gnus-set-sorted-intersection
3866 gnus-newsgroup-unreads
3867 (setq fetched-articles
3868 (mapcar (lambda (headers) (mail-header-number headers))
3869 gnus-newsgroup-headers))))
3870 ;; Removed marked articles that do not exist.
3871 (gnus-update-missing-marks
3872 (gnus-sorted-complement fetched-articles articles))
3873 ;; Let the Gnus agent mark articles as read.
3875 (gnus-agent-get-undownloaded-list))
3876 ;; We might want to build some more threads first.
3877 (when (and gnus-fetch-old-headers
3878 (eq gnus-headers-retrieved-by 'nov))
3879 (if (eq gnus-fetch-old-headers 'invisible)
3880 (gnus-build-all-threads)
3881 (gnus-build-old-threads)))
3882 ;; Check whether auto-expire is to be done in this group.
3883 (setq gnus-newsgroup-auto-expire
3884 (gnus-group-auto-expirable-p group))
3885 ;; Set up the article buffer now, if necessary.
3886 (unless gnus-single-article-buffer
3887 (gnus-article-setup-buffer))
3888 ;; First and last article in this newsgroup.
3889 (when gnus-newsgroup-headers
3890 (setq gnus-newsgroup-begin
3891 (mail-header-number (car gnus-newsgroup-headers))
3894 (gnus-last-element gnus-newsgroup-headers))))
3895 ;; GROUP is successfully selected.
3896 (or gnus-newsgroup-headers t)))))
3898 (defun gnus-articles-to-read (group &optional read-all)
3899 ;; Find out what articles the user wants to read.
3901 ;; Select all articles if `read-all' is non-nil, or if there
3902 ;; are no unread articles.
3904 (and (zerop (length gnus-newsgroup-marked))
3905 (zerop (length gnus-newsgroup-unreads)))
3906 (eq (gnus-group-find-parameter group 'display)
3908 (gnus-uncompress-range (gnus-active group))
3909 (sort (append gnus-newsgroup-dormant gnus-newsgroup-marked
3910 (copy-sequence gnus-newsgroup-unreads))
3912 (scored-list (gnus-killed-articles gnus-newsgroup-killed articles))
3913 (scored (length scored-list))
3914 (number (length articles))
3915 (marked (+ (length gnus-newsgroup-marked)
3916 (length gnus-newsgroup-dormant)))
3924 ((and (or (<= scored marked) (= scored number))
3925 (numberp gnus-large-newsgroup)
3926 (> number gnus-large-newsgroup))
3930 "How many articles from %s (default %d): "
3931 (gnus-limit-string gnus-newsgroup-name 35)
3933 (if (string-match "^[ \t]*$" input) number input)))
3934 ((and (> scored marked) (< scored number)
3935 (> (- scored number) 20))
3938 (format "%s %s (%d scored, %d total): "
3939 "How many articles from"
3940 group scored number))))
3941 (if (string-match "^[ \t]*$" input)
3945 (setq select (if (stringp select) (string-to-number select) select))
3946 (if (or (null select) (zerop select))
3948 (if (and (not (zerop scored)) (<= (abs select) scored))
3950 (setq articles (sort scored-list '<))
3951 (setq number (length articles)))
3952 (setq articles (copy-sequence articles)))
3954 (when (< (abs select) number)
3956 ;; Select the N oldest articles.
3957 (setcdr (nthcdr (1- (abs select)) articles) nil)
3958 ;; Select the N most recent articles.
3959 (setq articles (nthcdr (- number select) articles))))
3960 (setq gnus-newsgroup-unselected
3961 (gnus-sorted-intersection
3962 gnus-newsgroup-unreads
3963 (gnus-sorted-complement gnus-newsgroup-unreads articles)))
3966 (defun gnus-killed-articles (killed articles)
3969 (when (inline (gnus-member-of-range (car articles) killed))
3970 (push (car articles) out))
3971 (setq articles (cdr articles)))
3974 (defun gnus-uncompress-marks (marks)
3975 "Uncompress the mark ranges in MARKS."
3976 (let ((uncompressed '(score bookmark))
3979 (if (memq (caar marks) uncompressed)
3980 (push (car marks) out)
3981 (push (cons (caar marks) (gnus-uncompress-range (cdar marks))) out))
3982 (setq marks (cdr marks)))
3985 (defun gnus-adjust-marked-articles (info)
3986 "Set all article lists and remove all marks that are no longer legal."
3987 (let* ((marked-lists (gnus-info-marks info))
3988 (active (gnus-active (gnus-info-group info)))
3991 (types gnus-article-mark-lists)
3992 (uncompressed '(score bookmark killed))
3993 marks var articles article mark)
3996 (setq marks (pop marked-lists))
3997 (set (setq var (intern (format "gnus-newsgroup-%s"
3998 (car (rassq (setq mark (car marks))
4000 (if (memq (car marks) uncompressed) (cdr marks)
4001 (gnus-uncompress-range (cdr marks))))
4003 (setq articles (symbol-value var))
4005 ;; All articles have to be subsets of the active articles.
4007 ;; Adjust "simple" lists.
4008 ((memq mark '(tick dormant expire reply save))
4010 (when (or (< (setq article (pop articles)) min) (> article max))
4011 (set var (delq article (symbol-value var))))))
4013 ((memq mark uncompressed)
4014 (when (not (listp (cdr (symbol-value var))))
4015 (set var (list (symbol-value var))))
4016 (when (not (listp (cdr articles)))
4017 (setq articles (list articles)))
4019 (when (or (not (consp (setq article (pop articles))))
4020 (< (car article) min)
4021 (> (car article) max))
4022 (set var (delq article (symbol-value var))))))))))
4024 (defun gnus-update-missing-marks (missing)
4025 "Go through the list of MISSING articles and remove them from the mark lists."
4027 (let ((types gnus-article-mark-lists)
4029 ;; Go through all types.
4031 (setq var (intern (format "gnus-newsgroup-%s" (car (pop types)))))
4032 (when (symbol-value var)
4033 ;; This list has articles. So we delete all missing articles
4037 (set var (delq (pop m) (symbol-value var)))))))))
4039 (defun gnus-update-marks ()
4040 "Enter the various lists of marked articles into the newsgroup info list."
4041 (let ((types gnus-article-mark-lists)
4042 (info (gnus-get-info gnus-newsgroup-name))
4043 (uncompressed '(score bookmark killed))
4044 type list newmarked symbol)
4046 ;; Add all marks lists that are non-nil to the list of marks lists.
4047 (while (setq type (pop types))
4048 (when (setq list (symbol-value
4050 (intern (format "gnus-newsgroup-%s"
4053 ;; Get rid of the entries of the articles that have the
4055 (when (and (eq (cdr type) 'score)
4059 (prev (cons nil list))
4062 (if (or (not (consp (car arts)))
4063 (= (cdar arts) gnus-summary-default-score))
4064 (setcdr prev (cdr arts))
4066 (setq arts (cdr arts)))
4067 (setq list (cdr all))))
4069 (push (cons (cdr type)
4070 (if (memq (cdr type) uncompressed) list
4071 (gnus-compress-sequence
4072 (set symbol (sort list '<)) t)))
4075 ;; Enter these new marks into the info of the group.
4077 (setcar (nthcdr 3 info) newmarked)
4078 ;; Add the marks lists to the end of the info.
4080 (setcdr (nthcdr 2 info) (list newmarked))))
4082 ;; Cut off the end of the info if there's nothing else there.
4086 (when (nthcdr (decf i) info)
4087 (setcdr (nthcdr i info) nil)))))))
4089 (defun gnus-set-mode-line (where)
4090 "This function sets the mode line of the article or summary buffers.
4091 If WHERE is `summary', the summary mode line format will be used."
4092 ;; Is this mode line one we keep updated?
4093 (when (memq where gnus-updated-mode-lines)
4096 ;; We evaluate this in the summary buffer since these
4097 ;; variables are buffer-local to that buffer.
4098 (set-buffer gnus-summary-buffer)
4099 ;; We bind all these variables that are used in the `eval' form
4101 (let* ((mformat (symbol-value
4103 (format "gnus-%s-mode-line-format-spec" where))))
4104 (gnus-tmp-group-name gnus-newsgroup-name)
4105 (gnus-tmp-article-number (or gnus-current-article 0))
4106 (gnus-tmp-unread gnus-newsgroup-unreads)
4107 (gnus-tmp-unread-and-unticked (length gnus-newsgroup-unreads))
4108 (gnus-tmp-unselected (length gnus-newsgroup-unselected))
4109 (gnus-tmp-unread-and-unselected
4110 (cond ((and (zerop gnus-tmp-unread-and-unticked)
4111 (zerop gnus-tmp-unselected))
4113 ((zerop gnus-tmp-unselected)
4114 (format "{%d more}" gnus-tmp-unread-and-unticked))
4115 (t (format "{%d(+%d) more}"
4116 gnus-tmp-unread-and-unticked
4117 gnus-tmp-unselected))))
4119 (if (and gnus-current-headers
4120 (vectorp gnus-current-headers))
4121 (gnus-mode-string-quote
4122 (mail-header-subject gnus-current-headers))
4124 bufname-length max-len
4125 gnus-tmp-header);; passed as argument to any user-format-funcs
4126 (setq mode-string (eval mformat))
4127 (setq bufname-length (if (string-match "%b" mode-string)
4130 (if (eq where 'summary)
4132 (get-buffer gnus-article-buffer))))
4135 (setq max-len (max 4 (if gnus-mode-non-string-length
4137 gnus-mode-non-string-length
4139 (length mode-string))))
4140 ;; We might have to chop a bit of the string off...
4141 (when (> (length mode-string) max-len)
4143 (concat (gnus-truncate-string mode-string (- max-len 3))
4145 ;; Pad the mode string a bit.
4146 (setq mode-string (format (format "%%-%ds" max-len) mode-string))))
4147 ;; Update the mode line.
4148 (setq mode-line-buffer-identification
4149 (gnus-mode-line-buffer-identification (list mode-string)))
4150 (set-buffer-modified-p t))))
4152 (defun gnus-create-xref-hashtb (from-newsgroup headers unreads)
4153 "Go through the HEADERS list and add all Xrefs to a hash table.
4154 The resulting hash table is returned, or nil if no Xrefs were found."
4155 (let* ((virtual (gnus-virtual-group-p from-newsgroup))
4156 (prefix (if virtual "" (gnus-group-real-prefix from-newsgroup)))
4157 (xref-hashtb (gnus-make-hashtable))
4158 start group entry number xrefs header)
4160 (setq header (pop headers))
4161 (when (and (setq xrefs (mail-header-xref header))
4162 (not (memq (setq number (mail-header-number header))
4165 (while (string-match "\\([^ ]+\\)[:/]\\([0-9]+\\)" xrefs start)
4166 (setq start (match-end 0))
4167 (setq group (if prefix
4168 (concat prefix (substring xrefs (match-beginning 1)
4170 (substring xrefs (match-beginning 1) (match-end 1))))
4172 (string-to-int (substring xrefs (match-beginning 2)
4174 (if (setq entry (gnus-gethash group xref-hashtb))
4175 (setcdr entry (cons number (cdr entry)))
4176 (gnus-sethash group (cons number nil) xref-hashtb)))))
4177 (and start xref-hashtb)))
4179 (defun gnus-mark-xrefs-as-read (from-newsgroup headers unreads)
4180 "Look through all the headers and mark the Xrefs as read."
4181 (let ((virtual (gnus-virtual-group-p from-newsgroup))
4182 name entry info xref-hashtb idlist method nth4)
4184 (set-buffer gnus-group-buffer)
4185 (when (setq xref-hashtb
4186 (gnus-create-xref-hashtb from-newsgroup headers unreads))
4189 (unless (string= from-newsgroup (setq name (symbol-name group)))
4190 (setq idlist (symbol-value group))
4191 ;; Dead groups are not updated.
4193 (setq entry (gnus-gethash name gnus-newsrc-hashtb)
4195 (when (stringp (setq nth4 (gnus-info-method info)))
4196 (setq nth4 (gnus-server-to-method nth4))))
4197 ;; Only do the xrefs if the group has the same
4198 ;; select method as the group we have just read.
4199 (or (gnus-methods-equal-p
4200 nth4 (gnus-find-method-for-group from-newsgroup))
4202 (equal nth4 (setq method (gnus-find-method-for-group
4204 (and (equal (car nth4) (car method))
4205 (equal (nth 1 nth4) (nth 1 method))))
4206 gnus-use-cross-reference
4207 (or (not (eq gnus-use-cross-reference t))
4209 ;; Only do cross-references on subscribed
4210 ;; groups, if that is what is wanted.
4211 (<= (gnus-info-level info) gnus-level-subscribed))
4212 (gnus-group-make-articles-read name idlist))))
4215 (defun gnus-compute-read-articles (group articles)
4216 (let* ((entry (gnus-gethash group gnus-newsrc-hashtb))
4217 (info (nth 2 entry))
4218 (active (gnus-active group))
4221 ;; First peel off all illegal article numbers.
4223 (let ((ids articles)
4225 (while (setq id (pop ids))
4226 (when (and first (> id (cdr active)))
4227 ;; We'll end up in this situation in one particular
4228 ;; obscure situation. If you re-scan a group and get
4229 ;; a new article that is cross-posted to a different
4230 ;; group that has not been re-scanned, you might get
4231 ;; crossposted article that has a higher number than
4232 ;; Gnus believes possible. So we re-activate this
4233 ;; group as well. This might mean doing the
4234 ;; crossposting thingy will *increase* the number
4235 ;; of articles in some groups. Tsk, tsk.
4236 (setq active (or (gnus-activate-group group) active)))
4237 (when (or (> id (cdr active))
4238 (< id (car active)))
4239 (setq articles (delq id articles))))))
4240 ;; If the read list is nil, we init it.
4242 (null (gnus-info-read info))
4244 (setq ninfo (cons 1 (1- (car active))))
4245 (setq ninfo (gnus-info-read info)))
4246 ;; Then we add the read articles to the range.
4248 ninfo (setq articles (sort articles '<))))))
4250 (defun gnus-group-make-articles-read (group articles)
4251 "Update the info of GROUP to say that ARTICLES are read."
4253 (entry (gnus-gethash group gnus-newsrc-hashtb))
4254 (info (nth 2 entry))
4255 (active (gnus-active group))
4258 (setq range (gnus-compute-read-articles group articles))
4260 (set-buffer gnus-group-buffer)
4263 (gnus-info-set-marks ',info ',(gnus-info-marks info) t)
4264 (gnus-info-set-read ',info ',(gnus-info-read info))
4265 (gnus-get-unread-articles-in-group ',info (gnus-active ,group))
4266 (gnus-group-update-group ,group t))))
4267 ;; Add the read articles to the range.
4268 (gnus-info-set-read info range)
4269 ;; Then we have to re-compute how many unread
4270 ;; articles there are in this group.
4274 (setq num (- (1+ (cdr active)) (car active))))
4275 ((not (listp (cdr range)))
4276 (setq num (- (cdr active) (- (1+ (cdr range))
4280 (if (numberp (car range))
4282 (setq num (+ num (- (1+ (cdar range)) (caar range)))))
4283 (setq range (cdr range)))
4284 (setq num (- (cdr active) num))))
4285 ;; Update the number of unread articles.
4287 ;; Update the group buffer.
4288 (gnus-group-update-group group t)))))
4290 (defun gnus-methods-equal-p (m1 m2)
4291 (let ((m1 (or m1 gnus-select-method))
4292 (m2 (or m2 gnus-select-method)))
4294 (and (eq (car m1) (car m2))
4295 (or (not (memq 'address (assoc (symbol-name (car m1))
4296 gnus-valid-select-methods)))
4297 (equal (nth 1 m1) (nth 1 m2)))))))
4299 (defvar gnus-newsgroup-none-id 0)
4301 (defun gnus-get-newsgroup-headers (&optional dependencies force-new)
4302 (let ((cur nntp-server-buffer)
4305 (save-excursion (set-buffer gnus-summary-buffer)
4306 gnus-newsgroup-dependencies)))
4307 headers id id-dep ref-dep end ref)
4309 (set-buffer nntp-server-buffer)
4310 ;; Translate all TAB characters into SPACE characters.
4311 (subst-char-in-region (point-min) (point-max) ?\t ? t)
4312 (gnus-run-hooks 'gnus-parse-headers-hook)
4313 (let ((case-fold-search t)
4314 in-reply-to header p lines)
4315 (goto-char (point-min))
4316 ;; Search to the beginning of the next header. Error messages
4317 ;; do not begin with 2 or 3.
4318 (while (re-search-forward "^[23][0-9]+ " nil t)
4321 ;; This implementation of this function, with nine
4322 ;; search-forwards instead of the one re-search-forward and
4323 ;; a case (which basically was the old function) is actually
4324 ;; about twice as fast, even though it looks messier. You
4325 ;; can't have everything, I guess. Speed and elegance
4326 ;; doesn't always go hand in hand.
4335 (narrow-to-region (point)
4336 (or (and (search-forward "\n.\n" nil t)
4342 (if (search-forward "\nsubject: " nil t)
4344 gnus-unstructured-field-decoder (nnheader-header-value))
4349 (if (search-forward "\nfrom: " nil t)
4351 gnus-structured-field-decoder (nnheader-header-value))
4356 (if (search-forward "\ndate: " nil t)
4357 (nnheader-header-value) ""))
4361 (setq id (if (re-search-forward
4362 "^message-id: *\\(<[^\n\t> ]+>\\)" nil t)
4363 ;; We do it this way to make sure the Message-ID
4364 ;; is (somewhat) syntactically valid.
4365 (buffer-substring (match-beginning 1)
4367 ;; If there was no message-id, we just fake one
4368 ;; to make subsequent routines simpler.
4369 (nnheader-generate-fake-message-id))))
4373 (if (search-forward "\nreferences: " nil t)
4377 (nnheader-header-value)
4382 (search-backward ">" end t)
4385 (search-backward "<" end t)
4387 ;; Get the references from the in-reply-to header if there
4388 ;; were no references and the in-reply-to header looks
4390 (if (and (search-forward "\nin-reply-to: " nil t)
4391 (setq in-reply-to (nnheader-header-value))
4392 (string-match "<[^>]+>" in-reply-to))
4394 (setq ref (substring in-reply-to (match-beginning 0)
4396 (while (string-match "<[^>]+>" in-reply-to (match-end 0))
4397 (setq ref2 (substring in-reply-to (match-beginning 0)
4399 (when (> (length ref2) (length ref))
4407 (if (search-forward "\nlines: " nil t)
4408 (if (numberp (setq lines (ignore-errors (read cur))))
4414 (and (search-forward "\nxref: " nil t)
4415 (nnheader-header-value)))))
4416 (when (equal id ref)
4419 (when gnus-alter-header-function
4420 (funcall gnus-alter-header-function header)
4421 (setq id (mail-header-id header)
4422 ref (gnus-parent-id (mail-header-references header))))
4424 ;; We do the threading while we read the headers. The
4425 ;; message-id and the last reference are both entered into
4426 ;; the same hash table. Some tippy-toeing around has to be
4427 ;; done in case an article has arrived before the article
4428 ;; which it refers to.
4429 (if (boundp (setq id-dep (intern id dependencies)))
4430 (if (and (car (symbol-value id-dep))
4432 ;; An article with this Message-ID has already been seen.
4433 (if gnus-summary-ignore-duplicates
4434 ;; We ignore this one, except we add
4435 ;; any additional Xrefs (in case the two articles
4436 ;; came from different servers).
4438 (mail-header-set-xref
4439 (car (symbol-value id-dep))
4440 (concat (or (mail-header-xref
4441 (car (symbol-value id-dep)))
4443 (or (mail-header-xref header) "")))
4445 ;; We rename the Message-ID.
4447 (setq id-dep (intern (setq id (nnmail-message-id))
4450 (mail-header-set-id header id))
4451 (setcar (symbol-value id-dep) header))
4452 (set id-dep (list header)))
4454 (if (boundp (setq ref-dep (intern (or ref "none") dependencies)))
4455 (setcdr (symbol-value ref-dep)
4456 (nconc (cdr (symbol-value ref-dep))
4457 (list (symbol-value id-dep))))
4458 (set ref-dep (list nil (symbol-value id-dep))))
4459 (push header headers))
4460 (goto-char (point-max))
4462 (nreverse headers)))))
4464 ;; The following macros and functions were written by Felix Lee
4465 ;; <flee@cse.psu.edu>.
4467 (defmacro gnus-nov-read-integer ()
4469 (if (= (following-char) ?\t)
4471 (let ((num (ignore-errors (read buffer))))
4472 (if (numberp num) num 0)))
4474 (search-forward "\t" eol 'move))))
4476 (defmacro gnus-nov-skip-field ()
4477 '(search-forward "\t" eol 'move))
4479 (defmacro gnus-nov-field ()
4480 '(buffer-substring (point) (if (gnus-nov-skip-field) (1- (point)) eol)))
4482 ;; (defvar gnus-nov-none-counter 0)
4484 ;; This function has to be called with point after the article number
4485 ;; on the beginning of the line.
4486 (defun gnus-nov-parse-line (number dependencies &optional force-new)
4487 (let ((eol (gnus-point-at-eol))
4488 (buffer (current-buffer))
4489 header ref id id-dep ref-dep)
4491 ;; overview: [num subject from date id refs chars lines misc]
4494 (narrow-to-region (point) eol)
4502 gnus-unstructured-field-decoder (gnus-nov-field)) ; subject
4504 gnus-structured-field-decoder (gnus-nov-field)) ; from
4505 (gnus-nov-field) ; date
4506 (setq id (or (gnus-nov-field)
4507 (nnheader-generate-fake-message-id))) ; id
4509 (let ((beg (point)))
4510 (search-forward "\t" eol)
4511 (if (search-backward ">" beg t)
4515 (or (search-backward "<" beg t) beg)))
4518 (gnus-nov-field)) ; refs
4519 (gnus-nov-read-integer) ; chars
4520 (gnus-nov-read-integer) ; lines
4521 (if (= (following-char) ?\n)
4523 (gnus-nov-field))))) ; misc
4527 (when gnus-alter-header-function
4528 (funcall gnus-alter-header-function header)
4529 (setq id (mail-header-id header)
4530 ref (gnus-parent-id (mail-header-references header))))
4532 ;; We build the thread tree.
4533 (when (equal id ref)
4534 ;; This article refers back to itself. Naughty, naughty.
4536 (if (boundp (setq id-dep (intern id dependencies)))
4537 (if (and (car (symbol-value id-dep))
4539 ;; An article with this Message-ID has already been seen.
4540 (if gnus-summary-ignore-duplicates
4541 ;; We ignore this one, except we add any additional
4542 ;; Xrefs (in case the two articles came from different
4545 (mail-header-set-xref
4546 (car (symbol-value id-dep))
4547 (concat (or (mail-header-xref
4548 (car (symbol-value id-dep)))
4550 (or (mail-header-xref header) "")))
4552 ;; We rename the Message-ID.
4554 (setq id-dep (intern (setq id (nnmail-message-id))
4557 (mail-header-set-id header id))
4558 (setcar (symbol-value id-dep) header))
4559 (set id-dep (list header)))
4561 (if (boundp (setq ref-dep (intern (or ref "none") dependencies)))
4562 (setcdr (symbol-value ref-dep)
4563 (nconc (cdr (symbol-value ref-dep))
4564 (list (symbol-value id-dep))))
4565 (set ref-dep (list nil (symbol-value id-dep)))))
4568 ;; Goes through the xover lines and returns a list of vectors
4569 (defun gnus-get-newsgroup-headers-xover (sequence &optional
4570 force-new dependencies
4571 group also-fetch-heads)
4572 "Parse the news overview data in the server buffer, and return a
4573 list of headers that match SEQUENCE (see `nntp-retrieve-headers')."
4574 ;; Get the Xref when the users reads the articles since most/some
4575 ;; NNTP servers do not include Xrefs when using XOVER.
4576 (setq gnus-article-internal-prepare-hook '(gnus-article-get-xrefs))
4577 (let ((cur nntp-server-buffer)
4578 (dependencies (or dependencies gnus-newsgroup-dependencies))
4579 number headers header)
4581 (set-buffer nntp-server-buffer)
4582 ;; Allow the user to mangle the headers before parsing them.
4583 (gnus-run-hooks 'gnus-parse-headers-hook)
4584 (goto-char (point-min))
4587 (while (and sequence (not (eobp)))
4588 (setq number (read cur))
4589 (while (and sequence
4590 (< (car sequence) number))
4591 (setq sequence (cdr sequence)))
4593 (eq number (car sequence))
4595 (setq sequence (cdr sequence))
4596 (setq header (inline
4597 (gnus-nov-parse-line
4598 number dependencies force-new))))
4599 (push header headers))
4602 (gnus-error 4 "Strange nov line (%d)"
4603 (count-lines (point-min) (point)))))
4605 ;; A common bug in inn is that if you have posted an article and
4606 ;; then retrieves the active file, it will answer correctly --
4607 ;; the new article is included. However, a NOV entry for the
4608 ;; article may not have been generated yet, so this may fail.
4609 ;; We work around this problem by retrieving the last few
4610 ;; headers using HEAD.
4611 (if (or (not also-fetch-heads)
4613 ;; We (probably) got all the headers.
4615 (let ((gnus-nov-is-evil t))
4618 (when (gnus-retrieve-headers sequence group)
4619 (gnus-get-newsgroup-headers))))))))
4621 (defun gnus-article-get-xrefs ()
4622 "Fill in the Xref value in `gnus-current-headers', if necessary.
4623 This is meant to be called in `gnus-article-internal-prepare-hook'."
4624 (let ((headers (save-excursion (set-buffer gnus-summary-buffer)
4625 gnus-current-headers)))
4626 (or (not gnus-use-cross-reference)
4628 (and (mail-header-xref headers)
4629 (not (string= (mail-header-xref headers) "")))
4630 (let ((case-fold-search t)
4633 (nnheader-narrow-to-headers)
4634 (goto-char (point-min))
4635 (when (or (and (eq (downcase (following-char)) ?x)
4636 (looking-at "Xref:"))
4637 (search-forward "\nXref:" nil t))
4638 (goto-char (1+ (match-end 0)))
4639 (setq xref (buffer-substring (point)
4640 (progn (end-of-line) (point))))
4641 (mail-header-set-xref headers xref)))))))
4643 (defun gnus-summary-insert-subject (id &optional old-header use-old-header)
4644 "Find article ID and insert the summary line for that article."
4645 (let ((header (cond ((and old-header use-old-header)
4648 (gnus-number-to-header id))
4649 (gnus-number-to-header id))
4651 (gnus-read-header id))))
4652 (number (and (numberp id) id))
4655 ;; Rebuild the thread that this article is part of and go to the
4656 ;; article we have fetched.
4657 (when (and (not gnus-show-threads)
4660 (setq d (gnus-data-find (mail-header-number old-header))))
4661 (goto-char (gnus-data-pos d))
4664 (- (gnus-point-at-bol)
4666 (1+ (gnus-point-at-eol))
4667 (gnus-delete-line))))))
4669 (mail-header-set-number header (mail-header-number old-header)))
4670 (setq gnus-newsgroup-sparse
4671 (delq (setq number (mail-header-number header))
4672 gnus-newsgroup-sparse))
4673 (setq gnus-newsgroup-ancient (delq number gnus-newsgroup-ancient))
4674 (push number gnus-newsgroup-limit)
4675 (gnus-rebuild-thread (mail-header-id header))
4676 (gnus-summary-goto-subject number nil t))
4677 (when (and (numberp number)
4679 ;; We have to update the boundaries even if we can't fetch the
4680 ;; article if ID is a number -- so that the next `P' or `N'
4681 ;; command will fetch the previous (or next) article even
4682 ;; if the one we tried to fetch this time has been canceled.
4683 (when (> number gnus-newsgroup-end)
4684 (setq gnus-newsgroup-end number))
4685 (when (< number gnus-newsgroup-begin)
4686 (setq gnus-newsgroup-begin number))
4687 (setq gnus-newsgroup-unselected
4688 (delq number gnus-newsgroup-unselected)))
4689 ;; Report back a success?
4690 (and header (mail-header-number header))))
4692 ;;; Process/prefix in the summary buffer
4694 (defun gnus-summary-work-articles (n)
4695 "Return a list of articles to be worked upon. The prefix argument,
4696 the list of process marked articles, and the current article will be
4697 taken into consideration."
4699 (set-buffer gnus-summary-buffer)
4702 ;; A numerical prefix has been given.
4703 (setq n (prefix-numeric-value n))
4704 (let ((backward (< n 0))
4705 (n (abs (prefix-numeric-value n)))
4710 (push (setq article (gnus-summary-article-number))
4713 (gnus-summary-find-prev nil article)
4714 (gnus-summary-find-next nil article)))
4716 (nreverse articles)))
4717 ((and (gnus-region-active-p) (mark))
4718 (message "region active")
4719 ;; Work on the region between point and mark.
4720 (let ((max (max (point) (mark)))
4723 (goto-char (min (min (point) (mark))))
4726 (push (setq article (gnus-summary-article-number)) articles)
4727 (gnus-summary-find-next nil article)
4729 (nreverse articles))))
4730 (gnus-newsgroup-processable
4731 ;; There are process-marked articles present.
4732 ;; Save current state.
4733 (gnus-summary-save-process-mark)
4735 (reverse gnus-newsgroup-processable))
4737 ;; Just return the current article.
4738 (list (gnus-summary-article-number))))))
4740 (defun gnus-summary-save-process-mark ()
4741 "Push the current set of process marked articles on the stack."
4743 (push (copy-sequence gnus-newsgroup-processable)
4744 gnus-newsgroup-process-stack))
4746 (defun gnus-summary-kill-process-mark ()
4747 "Push the current set of process marked articles on the stack and unmark."
4749 (gnus-summary-save-process-mark)
4750 (gnus-summary-unmark-all-processable))
4752 (defun gnus-summary-yank-process-mark ()
4753 "Pop the last process mark state off the stack and restore it."
4755 (unless gnus-newsgroup-process-stack
4756 (error "Empty mark stack"))
4757 (gnus-summary-process-mark-set (pop gnus-newsgroup-process-stack)))
4759 (defun gnus-summary-process-mark-set (set)
4760 "Make SET into the current process marked articles."
4761 (gnus-summary-unmark-all-processable)
4763 (gnus-summary-set-process-mark (pop set))))
4765 ;;; Searching and stuff
4767 (defun gnus-summary-search-group (&optional backward use-level)
4768 "Search for next unread newsgroup.
4769 If optional argument BACKWARD is non-nil, search backward instead."
4771 (set-buffer gnus-group-buffer)
4772 (when (gnus-group-search-forward
4773 backward nil (if use-level (gnus-group-group-level) nil))
4774 (gnus-group-group-name))))
4776 (defun gnus-summary-best-group (&optional exclude-group)
4777 "Find the name of the best unread group.
4778 If EXCLUDE-GROUP, do not go to this group."
4780 (set-buffer gnus-group-buffer)
4782 (gnus-group-best-unread-group exclude-group))))
4784 (defun gnus-summary-find-next (&optional unread article backward)
4785 (if backward (gnus-summary-find-prev)
4786 (let* ((dummy (gnus-summary-article-intangible-p))
4787 (article (or article (gnus-summary-article-number)))
4788 (arts (gnus-data-find-list article))
4790 (when (and (not dummy)
4791 (or (not gnus-summary-check-current)
4793 (not (gnus-data-unread-p (car arts)))))
4794 (setq arts (cdr arts)))
4799 (when (gnus-data-unread-p (car arts))
4800 (setq result (car arts)
4802 (setq arts (cdr arts)))
4805 (goto-char (gnus-data-pos result))
4806 (gnus-data-number result)))))
4808 (defun gnus-summary-find-prev (&optional unread article)
4809 (let* ((eobp (eobp))
4810 (article (or article (gnus-summary-article-number)))
4811 (arts (gnus-data-find-list article (gnus-data-list 'rev)))
4813 (when (and (not eobp)
4814 (or (not gnus-summary-check-current)
4816 (not (gnus-data-unread-p (car arts)))))
4817 (setq arts (cdr arts)))
4822 (when (gnus-data-unread-p (car arts))
4823 (setq result (car arts)
4825 (setq arts (cdr arts)))
4828 (goto-char (gnus-data-pos result))
4829 (gnus-data-number result))))
4831 (defun gnus-summary-find-subject (subject &optional unread backward article)
4832 (let* ((simp-subject (gnus-simplify-subject-fully subject))
4833 (article (or article (gnus-summary-article-number)))
4834 (articles (gnus-data-list backward))
4835 (arts (gnus-data-find-list article articles))
4837 (when (or (not gnus-summary-check-current)
4839 (not (gnus-data-unread-p (car arts))))
4840 (setq arts (cdr arts)))
4842 (and (or (not unread)
4843 (gnus-data-unread-p (car arts)))
4844 (vectorp (gnus-data-header (car arts)))
4846 simp-subject (mail-header-subject (gnus-data-header (car arts))) t)
4847 (setq result (car arts)
4849 (setq arts (cdr arts)))
4851 (goto-char (gnus-data-pos result))
4852 (gnus-data-number result))))
4854 (defun gnus-summary-search-forward (&optional unread subject backward)
4855 "Search forward for an article.
4856 If UNREAD, look for unread articles. If SUBJECT, look for
4857 articles with that subject. If BACKWARD, search backward instead."
4858 (cond (subject (gnus-summary-find-subject subject unread backward))
4859 (backward (gnus-summary-find-prev unread))
4860 (t (gnus-summary-find-next unread))))
4862 (defun gnus-recenter (&optional n)