1 ;;; gnus-sum.el --- summary mode commands for Gnus
3 ;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
4 ;; 2005, 2006 Free Software Foundation, Inc.
6 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
9 ;; This file is part of GNU Emacs.
11 ;; GNU Emacs is free software; you can redistribute it and/or modify
12 ;; it under the terms of the GNU General Public License as published by
13 ;; the Free Software Foundation; either version 2, or (at your option)
16 ;; GNU Emacs is distributed in the hope that it will be useful,
17 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 ;; GNU General Public License for more details.
21 ;; You should have received a copy of the GNU General Public License
22 ;; along with GNU Emacs; see the file COPYING. If not, write to the
23 ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
24 ;; Boston, MA 02110-1301, USA.
32 (defvar tool-bar-mode))
45 (autoload 'gnus-summary-limit-include-cached "gnus-cache" nil t)
46 (autoload 'gnus-cache-write-active "gnus-cache")
47 (autoload 'gnus-mailing-list-insinuate "gnus-ml" nil t)
48 (autoload 'turn-on-gnus-mailing-list-mode "gnus-ml" nil t)
49 (autoload 'gnus-pick-line-number "gnus-salt" nil t)
50 (autoload 'mm-uu-dissect "mm-uu")
51 (autoload 'gnus-article-outlook-deuglify-article "deuglify"
52 "Deuglify broken Outlook (Express) articles and redisplay."
54 (autoload 'gnus-article-outlook-unwrap-lines "deuglify" nil t)
55 (autoload 'gnus-article-outlook-repair-attribution "deuglify" nil t)
56 (autoload 'gnus-article-outlook-rearrange-citation "deuglify" nil t)
58 (defcustom gnus-kill-summary-on-exit t
59 "*If non-nil, kill the summary buffer when you exit from it.
60 If nil, the summary will become a \"*Dead Summary*\" buffer, and
61 it will be killed sometime later."
62 :group 'gnus-summary-exit
65 (defcustom gnus-fetch-old-headers nil
66 "*Non-nil means that Gnus will try to build threads by grabbing old headers.
67 If an unread article in the group refers to an older, already
68 read (or just marked as read) article, the old article will not
69 normally be displayed in the Summary buffer. If this variable is
70 t, Gnus will attempt to grab the headers to the old articles, and
71 thereby build complete threads. If it has the value `some', all
72 old headers will be fetched but only enough headers to connect
73 otherwise loose threads will be displayed. This variable can
74 also be a number. In that case, no more than that number of old
75 headers will be fetched. If it has the value `invisible', all
76 old headers will be fetched, but none will be displayed.
78 The server has to support NOV for any of this to work.
80 This feature can seriously impact performance it ignores all
81 locally cached header entries."
83 :type '(choice (const :tag "off" nil)
88 (sexp :menu-tag "other" t)))
90 (defcustom gnus-refer-thread-limit 500
91 "*The number of old headers to fetch when doing \\<gnus-summary-mode-map>\\[gnus-summary-refer-thread].
92 If t, fetch all the available old headers."
95 (sexp :menu-tag "other" t)))
97 (defcustom gnus-summary-make-false-root 'adopt
98 "*nil means that Gnus won't gather loose threads.
99 If the root of a thread has expired or been read in a previous
100 session, the information necessary to build a complete thread has been
101 lost. Instead of having many small sub-threads from this original thread
102 scattered all over the summary buffer, Gnus can gather them.
104 If non-nil, Gnus will try to gather all loose sub-threads from an
105 original thread into one large thread.
107 If this variable is non-nil, it should be one of `none', `adopt',
110 If this variable is `none', Gnus will not make a false root, but just
111 present the sub-threads after another.
112 If this variable is `dummy', Gnus will create a dummy root that will
113 have all the sub-threads as children.
114 If this variable is `adopt', Gnus will make one of the \"children\"
115 the parent and mark all the step-children as such.
116 If this variable is `empty', the \"children\" are printed with empty
117 subject fields. (Or rather, they will be printed with a string
118 given by the `gnus-summary-same-subject' variable.)"
120 :type '(choice (const :tag "off" nil)
126 (defcustom gnus-summary-make-false-root-always nil
127 "Always make a false dummy root."
132 (defcustom gnus-summary-gather-exclude-subject "^ *$\\|^(none)$"
133 "*A regexp to match subjects to be excluded from loose thread gathering.
134 As loose thread gathering is done on subjects only, that means that
135 there can be many false gatherings performed. By rooting out certain
136 common subjects, gathering might become saner."
140 (defcustom gnus-summary-gather-subject-limit nil
141 "*Maximum length of subject comparisons when gathering loose threads.
142 Use nil to compare full subjects. Setting this variable to a low
143 number will help gather threads that have been corrupted by
144 newsreaders chopping off subject lines, but it might also mean that
145 unrelated articles that have subject that happen to begin with the
146 same few characters will be incorrectly gathered.
148 If this variable is `fuzzy', Gnus will use a fuzzy algorithm when
151 :type '(choice (const :tag "off" nil)
153 (sexp :menu-tag "on" t)))
155 (defcustom gnus-simplify-subject-functions nil
156 "List of functions taking a string argument that simplify subjects.
157 The functions are applied recursively.
159 Useful functions to put in this list include:
160 `gnus-simplify-subject-re', `gnus-simplify-subject-fuzzy',
161 `gnus-simplify-whitespace', and `gnus-simplify-all-whitespace'."
163 :type '(repeat function))
165 (defcustom gnus-simplify-ignored-prefixes nil
166 "*Remove matches for this regexp from subject lines when simplifying fuzzily."
168 :type '(choice (const :tag "off" nil)
171 (defcustom gnus-build-sparse-threads nil
172 "*If non-nil, fill in the gaps in threads.
173 If `some', only fill in the gaps that are needed to tie loose threads
174 together. If `more', fill in all leaf nodes that Gnus can find. If
175 non-nil and non-`some', fill in all gaps that Gnus manages to guess."
177 :type '(choice (const :tag "off" nil)
180 (sexp :menu-tag "all" t)))
182 (defcustom gnus-summary-thread-gathering-function
183 'gnus-gather-threads-by-subject
184 "*Function used for gathering loose threads.
185 There are two pre-defined functions: `gnus-gather-threads-by-subject',
186 which only takes Subjects into consideration; and
187 `gnus-gather-threads-by-references', which compared the References
188 headers of the articles to find matches."
190 :type '(radio (function-item gnus-gather-threads-by-subject)
191 (function-item gnus-gather-threads-by-references)
192 (function :tag "other")))
194 (defcustom gnus-summary-same-subject ""
195 "*String indicating that the current article has the same subject as the previous.
196 This variable will only be used if the value of
197 `gnus-summary-make-false-root' is `empty'."
198 :group 'gnus-summary-format
201 (defcustom gnus-summary-goto-unread t
202 "*If t, many commands will go to the next unread article.
203 This applies to marking commands as well as other commands that
204 \"naturally\" select the next article, like, for instance, `SPC' at
205 the end of an article.
207 If nil, the marking commands do NOT go to the next unread article
208 \(they go to the next article instead). If `never', commands that
209 usually go to the next unread article, will go to the next article,
210 whether it is read or not."
211 :group 'gnus-summary-marks
212 :link '(custom-manual "(gnus)Setting Marks")
213 :type '(choice (const :tag "off" nil)
215 (sexp :menu-tag "on" t)))
217 (defcustom gnus-summary-default-score 0
218 "*Default article score level.
219 All scores generated by the score files will be added to this score.
220 If this variable is nil, scoring will be disabled."
221 :group 'gnus-score-default
222 :type '(choice (const :tag "disable")
225 (defcustom gnus-summary-default-high-score 0
226 "*Default threshold for a high scored article.
227 An article will be highlighted as high scored if its score is greater
230 :group 'gnus-score-default
233 (defcustom gnus-summary-default-low-score 0
234 "*Default threshold for a low scored article.
235 An article will be highlighted as low scored if its score is smaller
238 :group 'gnus-score-default
241 (defcustom gnus-summary-zcore-fuzz 0
242 "*Fuzziness factor for the zcore in the summary buffer.
243 Articles with scores closer than this to `gnus-summary-default-score'
245 :group 'gnus-summary-format
248 (defcustom gnus-simplify-subject-fuzzy-regexp nil
249 "*Strings to be removed when doing fuzzy matches.
250 This can either be a regular expression or list of regular expressions
251 that will be removed from subject strings if fuzzy subject
252 simplification is selected."
254 :type '(repeat regexp))
256 (defcustom gnus-show-threads t
257 "*If non-nil, display threads in summary mode."
261 (defcustom gnus-thread-hide-subtree nil
262 "*If non-nil, hide all threads initially.
263 This can be a predicate specifier which says which threads to hide.
264 If threads are hidden, you have to run the command
265 `gnus-summary-show-thread' by hand or select an article."
267 :type '(radio (sexp :format "Non-nil\n"
268 :match (lambda (widget value)
269 (not (or (consp value) (functionp value))))
272 (sexp :tag "Predicate specifier")))
274 (defcustom gnus-thread-hide-killed t
275 "*If non-nil, hide killed threads automatically."
279 (defcustom gnus-thread-ignore-subject t
280 "*If non-nil, which is the default, ignore subjects and do all threading based on the Reference header.
281 If nil, articles that have different subjects from their parents will
282 start separate threads."
286 (defcustom gnus-thread-operation-ignore-subject t
287 "*If non-nil, subjects will be ignored when doing thread commands.
288 This affects commands like `gnus-summary-kill-thread' and
289 `gnus-summary-lower-thread'.
291 If this variable is nil, articles in the same thread with different
292 subjects will not be included in the operation in question. If this
293 variable is `fuzzy', only articles that have subjects that are fuzzily
294 equal will be included."
296 :type '(choice (const :tag "off" nil)
300 (defcustom gnus-thread-indent-level 4
301 "*Number that says how much each sub-thread should be indented."
305 (defcustom gnus-auto-extend-newsgroup t
306 "*If non-nil, extend newsgroup forward and backward when requested."
307 :group 'gnus-summary-choose
310 (defcustom gnus-auto-select-first t
311 "*If non-nil, select the article under point.
312 Which article this is is controlled by the `gnus-auto-select-subject'
315 If you want to prevent automatic selection of articles in some
316 newsgroups, set the variable to nil in `gnus-select-group-hook'."
317 :group 'gnus-group-select
318 :type '(choice (const :tag "none" nil)
319 (sexp :menu-tag "first" t)))
321 (defcustom gnus-auto-select-subject 'unread
322 "*Says what subject to place under point when entering a group.
324 This variable can either be the symbols `first' (place point on the
325 first subject), `unread' (place point on the subject line of the first
326 unread article), `best' (place point on the subject line of the
327 higest-scored article), `unseen' (place point on the subject line of
328 the first unseen article), `unseen-or-unread' (place point on the subject
329 line of the first unseen article or, if all article have been seen, on the
330 subject line of the first unread article), or a function to be called to
331 place point on some subject line."
333 :group 'gnus-group-select
334 :type '(choice (const best)
338 (const unseen-or-unread)))
340 (defcustom gnus-auto-select-next t
341 "*If non-nil, offer to go to the next group from the end of the previous.
342 If the value is t and the next newsgroup is empty, Gnus will exit
343 summary mode and go back to group mode. If the value is neither nil
344 nor t, Gnus will select the following unread newsgroup. In
345 particular, if the value is the symbol `quietly', the next unread
346 newsgroup will be selected without any confirmation, and if it is
347 `almost-quietly', the next group will be selected without any
348 confirmation if you are located on the last article in the group.
349 Finally, if this variable is `slightly-quietly', the `\\<gnus-summary-mode-map>\\[gnus-summary-catchup-and-goto-next-group]' command
350 will go to the next group without confirmation."
351 :group 'gnus-summary-maneuvering
352 :type '(choice (const :tag "off" nil)
354 (const almost-quietly)
355 (const slightly-quietly)
356 (sexp :menu-tag "on" t)))
358 (defcustom gnus-auto-select-same nil
359 "*If non-nil, select the next article with the same subject.
360 If there are no more articles with the same subject, go to
361 the first unread article."
362 :group 'gnus-summary-maneuvering
365 (defcustom gnus-auto-goto-ignores 'unfetched
366 "*Says how to handle unfetched articles when maneuvering.
368 This variable can either be the symbols nil (maneuver to any
369 article), `undownloaded' (maneuvering while unplugged ignores articles
370 that have not been fetched), `always-undownloaded' (maneuvering always
371 ignores articles that have not been fetched), `unfetched' (maneuvering
372 ignores articles whose headers have not been fetched).
374 NOTE: The list of unfetched articles will always be nil when plugged
375 and, when unplugged, a subset of the undownloaded article list."
377 :group 'gnus-summary-maneuvering
378 :type '(choice (const :tag "None" nil)
379 (const :tag "Undownloaded when unplugged" undownloaded)
380 (const :tag "Undownloaded" always-undownloaded)
381 (const :tag "Unfetched" unfetched)))
383 (defcustom gnus-summary-check-current nil
384 "*If non-nil, consider the current article when moving.
385 The \"unread\" movement commands will stay on the same line if the
386 current article is unread."
387 :group 'gnus-summary-maneuvering
390 (defcustom gnus-auto-center-summary 2
391 "*If non-nil, always center the current summary buffer.
392 In particular, if `vertical' do only vertical recentering. If non-nil
393 and non-`vertical', do both horizontal and vertical recentering."
394 :group 'gnus-summary-maneuvering
395 :type '(choice (const :tag "none" nil)
397 (integer :tag "height")
398 (sexp :menu-tag "both" t)))
400 (defvar gnus-auto-center-group t
401 "*If non-nil, always center the group buffer.")
403 (defcustom gnus-show-all-headers nil
404 "*If non-nil, don't hide any headers."
405 :group 'gnus-article-hiding
406 :group 'gnus-article-headers
409 (defcustom gnus-summary-ignore-duplicates nil
410 "*If non-nil, ignore articles with identical Message-ID headers."
414 (defcustom gnus-single-article-buffer t
415 "*If non-nil, display all articles in the same buffer.
416 If nil, each group will get its own article buffer."
417 :group 'gnus-article-various
420 (defcustom gnus-break-pages t
421 "*If non-nil, do page breaking on articles.
422 The page delimiter is specified by the `gnus-page-delimiter'
424 :group 'gnus-article-various
427 (defcustom gnus-move-split-methods nil
428 "*Variable used to suggest where articles are to be moved to.
429 It uses the same syntax as the `gnus-split-methods' variable.
430 However, whereas `gnus-split-methods' specifies file names as targets,
431 this variable specifies group names."
432 :group 'gnus-summary-mail
433 :type '(repeat (choice (list :value (fun) function)
434 (cons :value ("" "") regexp (repeat string))
437 (defcustom gnus-move-group-prefix-function 'gnus-group-real-prefix
438 "Function used to compute default prefix for article move/copy/etc prompts.
439 The function should take one argument, a group name, and return a
440 string with the suggested prefix."
441 :group 'gnus-summary-mail
444 ;; FIXME: Although the custom type is `character' for the following variables,
445 ;; using multibyte characters (Latin-1, UTF-8) doesn't work. -- rs
447 (defcustom gnus-unread-mark ? ;Whitespace
448 "*Mark used for unread articles."
449 :group 'gnus-summary-marks
452 (defcustom gnus-ticked-mark ?!
453 "*Mark used for ticked articles."
454 :group 'gnus-summary-marks
457 (defcustom gnus-dormant-mark ??
458 "*Mark used for dormant articles."
459 :group 'gnus-summary-marks
462 (defcustom gnus-del-mark ?r
463 "*Mark used for del'd articles."
464 :group 'gnus-summary-marks
467 (defcustom gnus-read-mark ?R
468 "*Mark used for read articles."
469 :group 'gnus-summary-marks
472 (defcustom gnus-expirable-mark ?E
473 "*Mark used for expirable articles."
474 :group 'gnus-summary-marks
477 (defcustom gnus-killed-mark ?K
478 "*Mark used for killed articles."
479 :group 'gnus-summary-marks
482 (defcustom gnus-spam-mark ?$
483 "*Mark used for spam articles."
485 :group 'gnus-summary-marks
488 (defcustom gnus-souped-mark ?F
489 "*Mark used for souped articles."
490 :group 'gnus-summary-marks
493 (defcustom gnus-kill-file-mark ?X
494 "*Mark used for articles killed by kill files."
495 :group 'gnus-summary-marks
498 (defcustom gnus-low-score-mark ?Y
499 "*Mark used for articles with a low score."
500 :group 'gnus-summary-marks
503 (defcustom gnus-catchup-mark ?C
504 "*Mark used for articles that are caught up."
505 :group 'gnus-summary-marks
508 (defcustom gnus-replied-mark ?A
509 "*Mark used for articles that have been replied to."
510 :group 'gnus-summary-marks
513 (defcustom gnus-forwarded-mark ?F
514 "*Mark used for articles that have been forwarded."
516 :group 'gnus-summary-marks
519 (defcustom gnus-recent-mark ?N
520 "*Mark used for articles that are recent."
522 :group 'gnus-summary-marks
525 (defcustom gnus-cached-mark ?*
526 "*Mark used for articles that are in the cache."
527 :group 'gnus-summary-marks
530 (defcustom gnus-saved-mark ?S
531 "*Mark used for articles that have been saved."
532 :group 'gnus-summary-marks
535 (defcustom gnus-unseen-mark ?.
536 "*Mark used for articles that haven't been seen."
538 :group 'gnus-summary-marks
541 (defcustom gnus-no-mark ? ;Whitespace
542 "*Mark used for articles that have no other secondary mark."
544 :group 'gnus-summary-marks
547 (defcustom gnus-ancient-mark ?O
548 "*Mark used for ancient articles."
549 :group 'gnus-summary-marks
552 (defcustom gnus-sparse-mark ?Q
553 "*Mark used for sparsely reffed articles."
554 :group 'gnus-summary-marks
557 (defcustom gnus-canceled-mark ?G
558 "*Mark used for canceled articles."
559 :group 'gnus-summary-marks
562 (defcustom gnus-duplicate-mark ?M
563 "*Mark used for duplicate articles."
564 :group 'gnus-summary-marks
567 (defcustom gnus-undownloaded-mark ?-
568 "*Mark used for articles that weren't downloaded."
570 :group 'gnus-summary-marks
573 (defcustom gnus-downloaded-mark ?+
574 "*Mark used for articles that were downloaded."
575 :group 'gnus-summary-marks
578 (defcustom gnus-downloadable-mark ?%
579 "*Mark used for articles that are to be downloaded."
580 :group 'gnus-summary-marks
583 (defcustom gnus-unsendable-mark ?=
584 "*Mark used for articles that won't be sent."
585 :group 'gnus-summary-marks
588 (defcustom gnus-score-over-mark ?+
589 "*Score mark used for articles with high scores."
590 :group 'gnus-summary-marks
593 (defcustom gnus-score-below-mark ?-
594 "*Score mark used for articles with low scores."
595 :group 'gnus-summary-marks
598 (defcustom gnus-empty-thread-mark ? ;Whitespace
599 "*There is no thread under the article."
600 :group 'gnus-summary-marks
603 (defcustom gnus-not-empty-thread-mark ?=
604 "*There is a thread under the article."
605 :group 'gnus-summary-marks
608 (defcustom gnus-view-pseudo-asynchronously nil
609 "*If non-nil, Gnus will view pseudo-articles asynchronously."
610 :group 'gnus-extract-view
613 (defcustom gnus-auto-expirable-marks
614 (list gnus-killed-mark gnus-del-mark gnus-catchup-mark
615 gnus-low-score-mark gnus-ancient-mark gnus-read-mark
616 gnus-souped-mark gnus-duplicate-mark)
617 "*The list of marks converted into expiration if a group is auto-expirable."
620 :type '(repeat character))
622 (defcustom gnus-inhibit-user-auto-expire t
623 "*If non-nil, user marking commands will not mark an article as expirable, even if the group has auto-expire turned on."
628 (defcustom gnus-view-pseudos nil
629 "*If `automatic', pseudo-articles will be viewed automatically.
630 If `not-confirm', pseudos will be viewed automatically, and the user
631 will not be asked to confirm the command."
632 :group 'gnus-extract-view
633 :type '(choice (const :tag "off" nil)
635 (const not-confirm)))
637 (defcustom gnus-view-pseudos-separately t
638 "*If non-nil, one pseudo-article will be created for each file to be viewed.
639 If nil, all files that use the same viewing command will be given as a
640 list of parameters to that command."
641 :group 'gnus-extract-view
644 (defcustom gnus-insert-pseudo-articles t
645 "*If non-nil, insert pseudo-articles when decoding articles."
646 :group 'gnus-extract-view
649 (defcustom gnus-summary-dummy-line-format
651 "*The format specification for the dummy roots in the summary buffer.
652 It works along the same lines as a normal formatting string,
653 with some simple extensions.
657 General format specifiers can also be used.
658 See `(gnus)Formatting Variables'."
659 :link '(custom-manual "(gnus)Formatting Variables")
660 :group 'gnus-threading
663 (defcustom gnus-summary-mode-line-format "Gnus: %g [%A] %Z"
664 "*The format specification for the summary mode line.
665 It works along the same lines as a normal formatting string,
666 with some simple extensions:
669 %p Unprefixed group name
670 %A Current article number
671 %z Current article score
673 %U Number of unread articles in the group
674 %e Number of unselected articles in the group
675 %Z A string with unread/unselected article counts
676 %g Shortish group name
677 %S Subject of the current article
679 %s Current score file name
680 %d Number of dormant articles
681 %r Number of articles that have been marked as read in this session
682 %E Number of articles expunged by the score files"
683 :group 'gnus-summary-format
686 (defcustom gnus-list-identifiers nil
687 "Regexp that matches list identifiers to be removed from subject.
688 This can also be a list of regexps."
690 :group 'gnus-summary-format
691 :group 'gnus-article-hiding
692 :type '(choice (const :tag "none" nil)
694 (repeat :value (".*") regexp)))
696 (defcustom gnus-summary-mark-below 0
697 "*Mark all articles with a score below this variable as read.
698 This variable is local to each summary buffer and usually set by the
700 :group 'gnus-score-default
703 (defun gnus-widget-reversible-match (widget value)
704 "Ignoring WIDGET, convert VALUE to internal form.
705 VALUE should have the form `FOO' or `(not FOO)', where FOO is an symbol."
709 (eq (length value) 2)
710 (eq (nth 0 value) 'not)
711 (symbolp (nth 1 value)))))
713 (defun gnus-widget-reversible-to-internal (widget value)
714 "Ignoring WIDGET, convert VALUE to internal form.
715 VALUE should have the form `FOO' or `(not FOO)', where FOO is an atom.
716 FOO is converted to (FOO nil) and (not FOO) is converted to (FOO t)."
720 (list (nth 1 value) t)))
722 (defun gnus-widget-reversible-to-external (widget value)
723 "Ignoring WIDGET, convert VALUE to external form.
724 VALUE should have the form `(FOO nil)' or `(FOO t)', where FOO is an atom.
725 \(FOO nil) is converted to FOO and (FOO t) is converted to (not FOO)."
728 (list 'not (nth 0 value))
731 (define-widget 'gnus-widget-reversible 'group
732 "A `group' that convert values."
733 :match 'gnus-widget-reversible-match
734 :value-to-internal 'gnus-widget-reversible-to-internal
735 :value-to-external 'gnus-widget-reversible-to-external)
737 (defcustom gnus-article-sort-functions '(gnus-article-sort-by-number)
738 "*List of functions used for sorting articles in the summary buffer.
740 Each function takes two articles and returns non-nil if the first
741 article should be sorted before the other. If you use more than one
742 function, the primary sort function should be the last. You should
743 probably always include `gnus-article-sort-by-number' in the list of
744 sorting functions -- preferably first. Also note that sorting by date
745 is often much slower than sorting by number, and the sorting order is
746 very similar. (Sorting by date means sorting by the time the message
747 was sent, sorting by number means sorting by arrival time.)
749 Each item can also be a list `(not F)' where F is a function;
750 this reverses the sort order.
752 Ready-made functions include `gnus-article-sort-by-number',
753 `gnus-article-sort-by-author', `gnus-article-sort-by-subject',
754 `gnus-article-sort-by-date', `gnus-article-sort-by-random'
755 and `gnus-article-sort-by-score'.
757 When threading is turned on, the variable `gnus-thread-sort-functions'
758 controls how articles are sorted."
759 :group 'gnus-summary-sort
760 :type '(repeat (gnus-widget-reversible
761 (choice (function-item gnus-article-sort-by-number)
762 (function-item gnus-article-sort-by-author)
763 (function-item gnus-article-sort-by-subject)
764 (function-item gnus-article-sort-by-date)
765 (function-item gnus-article-sort-by-score)
766 (function-item gnus-article-sort-by-random)
767 (function :tag "other"))
768 (boolean :tag "Reverse order"))))
771 (defcustom gnus-thread-sort-functions '(gnus-thread-sort-by-number)
772 "*List of functions used for sorting threads in the summary buffer.
773 By default, threads are sorted by article number.
775 Each function takes two threads and returns non-nil if the first
776 thread should be sorted before the other. If you use more than one
777 function, the primary sort function should be the last. You should
778 probably always include `gnus-thread-sort-by-number' in the list of
779 sorting functions -- preferably first. Also note that sorting by date
780 is often much slower than sorting by number, and the sorting order is
781 very similar. (Sorting by date means sorting by the time the message
782 was sent, sorting by number means sorting by arrival time.)
784 Each list item can also be a list `(not F)' where F is a
785 function; this specifies reversed sort order.
787 Ready-made functions include `gnus-thread-sort-by-number',
788 `gnus-thread-sort-by-author', `gnus-thread-sort-by-recipient'
789 `gnus-thread-sort-by-subject', `gnus-thread-sort-by-date',
790 `gnus-thread-sort-by-score', `gnus-thread-sort-by-most-recent-number',
791 `gnus-thread-sort-by-most-recent-date', `gnus-thread-sort-by-random',
792 and `gnus-thread-sort-by-total-score' (see
793 `gnus-thread-score-function').
795 When threading is turned off, the variable
796 `gnus-article-sort-functions' controls how articles are sorted."
797 :group 'gnus-summary-sort
799 (gnus-widget-reversible
800 (choice (function-item gnus-thread-sort-by-number)
801 (function-item gnus-thread-sort-by-author)
802 (function-item gnus-thread-sort-by-recipient)
803 (function-item gnus-thread-sort-by-subject)
804 (function-item gnus-thread-sort-by-date)
805 (function-item gnus-thread-sort-by-score)
806 (function-item gnus-thread-sort-by-most-recent-number)
807 (function-item gnus-thread-sort-by-most-recent-date)
808 (function-item gnus-thread-sort-by-random)
809 (function-item gnus-thread-sort-by-total-score)
810 (function :tag "other"))
811 (boolean :tag "Reverse order"))))
813 (defcustom gnus-thread-score-function '+
814 "*Function used for calculating the total score of a thread.
816 The function is called with the scores of the article and each
817 subthread and should then return the score of the thread.
819 Some functions you can use are `+', `max', or `min'."
820 :group 'gnus-summary-sort
823 (defcustom gnus-summary-expunge-below nil
824 "All articles that have a score less than this variable will be expunged.
825 This variable is local to the summary buffers."
826 :group 'gnus-score-default
827 :type '(choice (const :tag "off" nil)
830 (defcustom gnus-thread-expunge-below nil
831 "All threads that have a total score less than this variable will be expunged.
832 See `gnus-thread-score-function' for en explanation of what a
835 This variable is local to the summary buffers."
836 :group 'gnus-threading
837 :group 'gnus-score-default
838 :type '(choice (const :tag "off" nil)
841 (defcustom gnus-summary-mode-hook nil
842 "*A hook for Gnus summary mode.
843 This hook is run before any variables are set in the summary buffer."
844 :options '(turn-on-gnus-mailing-list-mode gnus-pick-mode)
845 :group 'gnus-summary-various
848 ;; Extracted from gnus-xmas-redefine in order to preserve user settings
849 (when (featurep 'xemacs)
850 (add-hook 'gnus-summary-mode-hook 'gnus-xmas-summary-menu-add)
851 (add-hook 'gnus-summary-mode-hook 'gnus-xmas-setup-summary-toolbar)
852 (add-hook 'gnus-summary-mode-hook
853 'gnus-xmas-switch-horizontal-scrollbar-off))
855 (defcustom gnus-summary-menu-hook nil
856 "*Hook run after the creation of the summary mode menu."
857 :group 'gnus-summary-visual
860 (defcustom gnus-summary-exit-hook nil
861 "*A hook called on exit from the summary buffer.
862 It will be called with point in the group buffer."
863 :group 'gnus-summary-exit
866 (defcustom gnus-summary-prepare-hook nil
867 "*A hook called after the summary buffer has been generated.
868 If you want to modify the summary buffer, you can use this hook."
869 :group 'gnus-summary-various
872 (defcustom gnus-summary-prepared-hook nil
873 "*A hook called as the last thing after the summary buffer has been generated."
874 :group 'gnus-summary-various
877 (defcustom gnus-summary-generate-hook nil
878 "*A hook run just before generating the summary buffer.
879 This hook is commonly used to customize threading variables and the
881 :group 'gnus-summary-various
884 (defcustom gnus-select-group-hook nil
885 "*A hook called when a newsgroup is selected.
887 If you'd like to simplify subjects like the
888 `gnus-summary-next-same-subject' command does, you can use the
891 (add-hook gnus-select-group-hook
893 (mapcar (lambda (header)
894 (mail-header-set-subject
896 (gnus-simplify-subject
897 (mail-header-subject header) 're-only)))
898 gnus-newsgroup-headers)))"
899 :group 'gnus-group-select
902 (defcustom gnus-select-article-hook nil
903 "*A hook called when an article is selected."
904 :group 'gnus-summary-choose
905 :options '(gnus-agent-fetch-selected-article)
908 (defcustom gnus-visual-mark-article-hook
909 (list 'gnus-highlight-selected-summary)
910 "*Hook run after selecting an article in the summary buffer.
911 It is meant to be used for highlighting the article in some way. It
912 is not run if `gnus-visual' is nil."
913 :group 'gnus-summary-visual
916 (defcustom gnus-parse-headers-hook nil
917 "*A hook called before parsing the headers."
921 (defcustom gnus-exit-group-hook nil
922 "*A hook called when exiting summary mode.
923 This hook is not called from the non-updating exit commands like `Q'."
927 (defcustom gnus-summary-update-hook
928 (list 'gnus-summary-highlight-line)
929 "*A hook called when a summary line is changed.
930 The hook will not be called if `gnus-visual' is nil.
932 The default function `gnus-summary-highlight-line' will
933 highlight the line according to the `gnus-summary-highlight'
935 :group 'gnus-summary-visual
938 (defcustom gnus-mark-article-hook '(gnus-summary-mark-read-and-unread-as-read)
939 "*A hook called when an article is selected for the first time.
940 The hook is intended to mark an article as read (or unread)
941 automatically when it is selected."
942 :group 'gnus-summary-choose
945 (defcustom gnus-group-no-more-groups-hook nil
946 "*A hook run when returning to group mode having no more (unread) groups."
947 :group 'gnus-group-select
950 (defcustom gnus-ps-print-hook nil
951 "*A hook run before ps-printing something from Gnus."
955 (defcustom gnus-summary-article-move-hook nil
956 "*A hook called after an article is moved, copied, respooled, or crossposted."
961 (defcustom gnus-summary-article-delete-hook nil
962 "*A hook called after an article is deleted."
967 (defcustom gnus-summary-article-expire-hook nil
968 "*A hook called after an article is expired."
973 (defcustom gnus-summary-display-arrow
974 (and (fboundp 'display-graphic-p)
976 "*If non-nil, display an arrow highlighting the current article."
981 (defcustom gnus-summary-selected-face 'gnus-summary-selected
982 "Face used for highlighting the current article in the summary buffer."
983 :group 'gnus-summary-visual
986 (defvar gnus-tmp-downloaded nil)
988 (defcustom gnus-summary-highlight
989 '(((eq mark gnus-canceled-mark)
990 . gnus-summary-cancelled)
991 ((and uncached (> score default-high))
992 . gnus-summary-high-undownloaded)
993 ((and uncached (< score default-low))
994 . gnus-summary-low-undownloaded)
996 . gnus-summary-normal-undownloaded)
997 ((and (> score default-high)
998 (or (eq mark gnus-dormant-mark)
999 (eq mark gnus-ticked-mark)))
1000 . gnus-summary-high-ticked)
1001 ((and (< score default-low)
1002 (or (eq mark gnus-dormant-mark)
1003 (eq mark gnus-ticked-mark)))
1004 . gnus-summary-low-ticked)
1005 ((or (eq mark gnus-dormant-mark)
1006 (eq mark gnus-ticked-mark))
1007 . gnus-summary-normal-ticked)
1008 ((and (> score default-high) (eq mark gnus-ancient-mark))
1009 . gnus-summary-high-ancient)
1010 ((and (< score default-low) (eq mark gnus-ancient-mark))
1011 . gnus-summary-low-ancient)
1012 ((eq mark gnus-ancient-mark)
1013 . gnus-summary-normal-ancient)
1014 ((and (> score default-high) (eq mark gnus-unread-mark))
1015 . gnus-summary-high-unread)
1016 ((and (< score default-low) (eq mark gnus-unread-mark))
1017 . gnus-summary-low-unread)
1018 ((eq mark gnus-unread-mark)
1019 . gnus-summary-normal-unread)
1020 ((> score default-high)
1021 . gnus-summary-high-read)
1022 ((< score default-low)
1023 . gnus-summary-low-read)
1025 . gnus-summary-normal-read))
1026 "*Controls the highlighting of summary buffer lines.
1028 A list of (FORM . FACE) pairs. When deciding how a a particular
1029 summary line should be displayed, each form is evaluated. The content
1030 of the face field after the first true form is used. You can change
1031 how those summary lines are displayed, by editing the face field.
1033 You can use the following variables in the FORM field.
1035 score: The article's score
1036 default: The default article score.
1037 default-high: The default score for high scored articles.
1038 default-low: The default score for low scored articles.
1039 below: The score below which articles are automatically marked as read.
1040 mark: The article's mark.
1041 uncached: Non-nil if the article is uncached."
1042 :group 'gnus-summary-visual
1043 :type '(repeat (cons (sexp :tag "Form" nil)
1046 (defcustom gnus-alter-header-function nil
1047 "Function called to allow alteration of article header structures.
1048 The function is called with one parameter, the article header vector,
1049 which it may alter in any way."
1050 :type '(choice (const :tag "None" nil)
1052 :group 'gnus-summary)
1054 (defvar gnus-decode-encoded-word-function 'mail-decode-encoded-word-string
1055 "Function used to decode a string with encoded words.")
1057 (defvar gnus-decode-encoded-address-function
1058 'mail-decode-encoded-address-string
1059 "Function used to decode addresses with encoded words.")
1061 (defcustom gnus-extra-headers '(To Newsgroups)
1062 "*Extra headers to parse."
1064 :group 'gnus-summary
1065 :type '(repeat symbol))
1067 (defcustom gnus-ignored-from-addresses
1068 (and user-mail-address
1069 (not (string= user-mail-address ""))
1070 (regexp-quote user-mail-address))
1071 "*Regexp of From headers that may be suppressed in favor of To headers."
1073 :group 'gnus-summary
1076 (defcustom gnus-summary-to-prefix "-> "
1077 "*String prefixed to the To field in the summary line when
1078 using `gnus-ignored-from-addresses'."
1080 :group 'gnus-summary
1083 (defcustom gnus-summary-newsgroup-prefix "=> "
1084 "*String prefixed to the Newsgroup field in the summary
1085 line when using `gnus-ignored-from-addresses'."
1087 :group 'gnus-summary
1090 (defcustom gnus-newsgroup-ignored-charsets '(unknown-8bit x-unknown)
1091 "List of charsets that should be ignored.
1092 When these charsets are used in the \"charset\" parameter, the
1093 default charset will be used instead."
1095 :type '(repeat symbol)
1096 :group 'gnus-charset)
1098 (gnus-define-group-parameter
1102 "Return the ignored charsets of GROUP."
1103 :variable gnus-group-ignored-charsets-alist
1105 '(("alt\\.chinese\\.text" iso-8859-1))
1107 "Alist of regexps (to match group names) and charsets that should be ignored.
1108 When these charsets are used in the \"charset\" parameter, the
1109 default charset will be used instead."
1110 :variable-group gnus-charset
1111 :variable-type '(repeat (cons (regexp :tag "Group")
1113 :parameter-type '(choice :tag "Ignored charsets"
1116 :parameter-document "\
1117 List of charsets that should be ignored.
1119 When these charsets are used in the \"charset\" parameter, the
1120 default charset will be used instead.")
1122 (defcustom gnus-group-highlight-words-alist nil
1123 "Alist of group regexps and highlight regexps.
1124 This variable uses the same syntax as `gnus-emphasis-alist'."
1126 :type '(repeat (cons (regexp :tag "Group")
1127 (repeat (list (regexp :tag "Highlight regexp")
1128 (number :tag "Group for entire word" 0)
1129 (number :tag "Group for displayed part" 0)
1131 gnus-emphasis-highlight-words)))))
1132 :group 'gnus-summary-visual)
1134 (defcustom gnus-summary-show-article-charset-alist
1136 "Alist of number and charset.
1137 The article will be shown with the charset corresponding to the
1139 For example: ((1 . cn-gb-2312) (2 . big5))."
1141 :type '(repeat (cons (number :tag "Argument" 1)
1142 (symbol :tag "Charset")))
1143 :group 'gnus-charset)
1145 (defcustom gnus-preserve-marks t
1146 "Whether marks are preserved when moving, copying and respooling messages."
1149 :group 'gnus-summary-marks)
1151 (defcustom gnus-alter-articles-to-read-function nil
1152 "Function to be called to alter the list of articles to be selected."
1153 :type '(choice (const nil) function)
1154 :group 'gnus-summary)
1156 (defcustom gnus-orphan-score nil
1157 "*All orphans get this score added. Set in the score file."
1158 :group 'gnus-score-default
1159 :type '(choice (const nil)
1162 (defcustom gnus-summary-save-parts-default-mime "image/.*"
1163 "*A regexp to match MIME parts when saving multiple parts of a
1164 message with `gnus-summary-save-parts' (\\<gnus-summary-mode-map>\\[gnus-summary-save-parts]).
1165 This regexp will be used by default when prompting the user for which
1166 type of files to save."
1167 :group 'gnus-summary
1170 (defcustom gnus-read-all-available-headers nil
1171 "Whether Gnus should parse all headers made available to it.
1172 This is mostly relevant for slow back ends where the user may
1173 wish to widen the summary buffer to include all headers
1174 that were fetched. Say, for nnultimate groups."
1176 :group 'gnus-summary
1177 :type '(choice boolean regexp))
1179 (defcustom gnus-summary-muttprint-program "muttprint"
1180 "Command (and optional arguments) used to run Muttprint."
1182 :group 'gnus-summary
1185 (defcustom gnus-article-loose-mime t
1186 "If non-nil, don't require MIME-Version header.
1187 Some brain-damaged MUA/MTA, e.g. Lotus Domino 5.0.6 clients, does not
1188 supply the MIME-Version header or deliberately strip it from the mail.
1189 If non-nil (the default), Gnus will treat some articles as MIME
1190 even if the MIME-Version header is missing."
1193 :group 'gnus-article-mime)
1195 (defcustom gnus-article-emulate-mime t
1196 "If non-nil, use MIME emulation for uuencode and the like.
1197 This means that Gnus will search message bodies for text that look
1198 like uuencoded bits, yEncoded bits, and so on, and present that using
1199 the normal Gnus MIME machinery."
1202 :group 'gnus-article-mime)
1204 ;;; Internal variables
1206 (defvar gnus-summary-display-cache nil)
1207 (defvar gnus-article-mime-handles nil)
1208 (defvar gnus-article-decoded-p nil)
1209 (defvar gnus-article-charset nil)
1210 (defvar gnus-article-ignored-charsets nil)
1211 (defvar gnus-scores-exclude-files nil)
1212 (defvar gnus-page-broken nil)
1214 (defvar gnus-original-article nil)
1215 (defvar gnus-article-internal-prepare-hook nil)
1216 (defvar gnus-newsgroup-process-stack nil)
1218 (defvar gnus-thread-indent-array nil)
1219 (defvar gnus-thread-indent-array-level gnus-thread-indent-level)
1220 (defvar gnus-sort-gathered-threads-function 'gnus-thread-sort-by-number
1221 "Function called to sort the articles within a thread after it has been gathered together.")
1223 (defvar gnus-summary-save-parts-type-history nil)
1224 (defvar gnus-summary-save-parts-last-directory mm-default-directory)
1226 ;; Avoid highlighting in kill files.
1227 (defvar gnus-summary-inhibit-highlight nil)
1228 (defvar gnus-newsgroup-selected-overlay nil)
1229 (defvar gnus-inhibit-limiting nil)
1230 (defvar gnus-newsgroup-adaptive-score-file nil)
1231 (defvar gnus-current-score-file nil)
1232 (defvar gnus-current-move-group nil)
1233 (defvar gnus-current-copy-group nil)
1234 (defvar gnus-current-crosspost-group nil)
1235 (defvar gnus-newsgroup-display nil)
1237 (defvar gnus-newsgroup-dependencies nil)
1238 (defvar gnus-newsgroup-adaptive nil)
1239 (defvar gnus-summary-display-article-function nil)
1240 (defvar gnus-summary-highlight-line-function nil
1241 "Function called after highlighting a summary line.")
1243 (defvar gnus-summary-line-format-alist
1244 `((?N ,(macroexpand '(mail-header-number gnus-tmp-header)) ?d)
1245 (?S ,(macroexpand '(mail-header-subject gnus-tmp-header)) ?s)
1246 (?s gnus-tmp-subject-or-nil ?s)
1247 (?n gnus-tmp-name ?s)
1248 (?A (car (cdr (funcall gnus-extract-address-components gnus-tmp-from)))
1250 (?a (or (car (funcall gnus-extract-address-components gnus-tmp-from))
1252 (?F gnus-tmp-from ?s)
1253 (?x ,(macroexpand '(mail-header-xref gnus-tmp-header)) ?s)
1254 (?D ,(macroexpand '(mail-header-date gnus-tmp-header)) ?s)
1255 (?d (gnus-dd-mmm (mail-header-date gnus-tmp-header)) ?s)
1256 (?o (gnus-date-iso8601 (mail-header-date gnus-tmp-header)) ?s)
1257 (?M ,(macroexpand '(mail-header-id gnus-tmp-header)) ?s)
1258 (?r ,(macroexpand '(mail-header-references gnus-tmp-header)) ?s)
1259 (?c (or (mail-header-chars gnus-tmp-header) 0) ?d)
1260 (?k (gnus-summary-line-message-size gnus-tmp-header) ?s)
1261 (?L gnus-tmp-lines ?s)
1262 (?O gnus-tmp-downloaded ?c)
1263 (?I gnus-tmp-indentation ?s)
1264 (?T (if (= gnus-tmp-level 0) "" (make-string (frame-width) ? )) ?s)
1265 (?R gnus-tmp-replied ?c)
1266 (?\[ gnus-tmp-opening-bracket ?c)
1267 (?\] gnus-tmp-closing-bracket ?c)
1268 (?\> (make-string gnus-tmp-level ? ) ?s)
1269 (?\< (make-string (max 0 (- 20 gnus-tmp-level)) ? ) ?s)
1270 (?i gnus-tmp-score ?d)
1271 (?z gnus-tmp-score-char ?c)
1272 (?V (gnus-thread-total-score (and (boundp 'thread) (car thread))) ?d)
1273 (?U gnus-tmp-unread ?c)
1274 (?f (gnus-summary-from-or-to-or-newsgroups gnus-tmp-header gnus-tmp-from)
1276 (?t (gnus-summary-number-of-articles-in-thread
1277 (and (boundp 'thread) (car thread)) gnus-tmp-level)
1279 (?e (gnus-summary-number-of-articles-in-thread
1280 (and (boundp 'thread) (car thread)) gnus-tmp-level t)
1282 (?u gnus-tmp-user-defined ?s)
1283 (?P (gnus-pick-line-number) ?d)
1284 (?B gnus-tmp-thread-tree-header-string ?s)
1285 (user-date (gnus-user-date
1286 ,(macroexpand '(mail-header-date gnus-tmp-header))) ?s))
1287 "An alist of format specifications that can appear in summary lines.
1288 These are paired with what variables they correspond with, along with
1289 the type of the variable (string, integer, character, etc).")
1291 (defvar gnus-summary-dummy-line-format-alist
1292 `((?S gnus-tmp-subject ?s)
1293 (?N gnus-tmp-number ?d)
1294 (?u gnus-tmp-user-defined ?s)))
1296 (defvar gnus-summary-mode-line-format-alist
1297 `((?G gnus-tmp-group-name ?s)
1298 (?g (gnus-short-group-name gnus-tmp-group-name) ?s)
1299 (?p (gnus-group-real-name gnus-tmp-group-name) ?s)
1300 (?A gnus-tmp-article-number ?d)
1301 (?Z gnus-tmp-unread-and-unselected ?s)
1302 (?V gnus-version ?s)
1303 (?U gnus-tmp-unread-and-unticked ?d)
1304 (?S gnus-tmp-subject ?s)
1305 (?e gnus-tmp-unselected ?d)
1306 (?u gnus-tmp-user-defined ?s)
1307 (?d (length gnus-newsgroup-dormant) ?d)
1308 (?t (length gnus-newsgroup-marked) ?d)
1309 (?h (length gnus-newsgroup-spam-marked) ?d)
1310 (?r (length gnus-newsgroup-reads) ?d)
1311 (?z (gnus-summary-article-score gnus-tmp-article-number) ?d)
1312 (?E gnus-newsgroup-expunged-tally ?d)
1313 (?s (gnus-current-score-file-nondirectory) ?s)))
1315 (defvar gnus-last-search-regexp nil
1316 "Default regexp for article search command.")
1318 (defvar gnus-last-shell-command nil
1319 "Default shell command on article.")
1321 (defvar gnus-newsgroup-agentized nil
1322 "Locally bound in each summary buffer to indicate whether the server has been agentized.")
1323 (defvar gnus-newsgroup-begin nil)
1324 (defvar gnus-newsgroup-end nil)
1325 (defvar gnus-newsgroup-last-rmail nil)
1326 (defvar gnus-newsgroup-last-mail nil)
1327 (defvar gnus-newsgroup-last-folder nil)
1328 (defvar gnus-newsgroup-last-file nil)
1329 (defvar gnus-newsgroup-last-directory nil)
1330 (defvar gnus-newsgroup-auto-expire nil)
1331 (defvar gnus-newsgroup-active nil)
1333 (defvar gnus-newsgroup-data nil)
1334 (defvar gnus-newsgroup-data-reverse nil)
1335 (defvar gnus-newsgroup-limit nil)
1336 (defvar gnus-newsgroup-limits nil)
1337 (defvar gnus-summary-use-undownloaded-faces nil)
1339 (defvar gnus-newsgroup-unreads nil
1340 "Sorted list of unread articles in the current newsgroup.")
1342 (defvar gnus-newsgroup-unselected nil
1343 "Sorted list of unselected unread articles in the current newsgroup.")
1345 (defvar gnus-newsgroup-reads nil
1346 "Alist of read articles and article marks in the current newsgroup.")
1348 (defvar gnus-newsgroup-expunged-tally nil)
1350 (defvar gnus-newsgroup-marked nil
1351 "Sorted list of ticked articles in the current newsgroup (a subset of unread art).")
1353 (defvar gnus-newsgroup-spam-marked nil
1354 "List of ranges of articles that have been marked as spam.")
1356 (defvar gnus-newsgroup-killed nil
1357 "List of ranges of articles that have been through the scoring process.")
1359 (defvar gnus-newsgroup-cached nil
1360 "Sorted list of articles that come from the article cache.")
1362 (defvar gnus-newsgroup-saved nil
1363 "List of articles that have been saved.")
1365 (defvar gnus-newsgroup-kill-headers nil)
1367 (defvar gnus-newsgroup-replied nil
1368 "List of articles that have been replied to in the current newsgroup.")
1370 (defvar gnus-newsgroup-forwarded nil
1371 "List of articles that have been forwarded in the current newsgroup.")
1373 (defvar gnus-newsgroup-recent nil
1374 "List of articles that have are recent in the current newsgroup.")
1376 (defvar gnus-newsgroup-expirable nil
1377 "Sorted list of articles in the current newsgroup that can be expired.")
1379 (defvar gnus-newsgroup-processable nil
1380 "List of articles in the current newsgroup that can be processed.")
1382 (defvar gnus-newsgroup-downloadable nil
1383 "Sorted list of articles in the current newsgroup that can be processed.")
1385 (defvar gnus-newsgroup-unfetched nil
1386 "Sorted list of articles in the current newsgroup whose headers have
1387 not been fetched into the agent.
1389 This list will always be a subset of gnus-newsgroup-undownloaded.")
1391 (defvar gnus-newsgroup-undownloaded nil
1392 "List of articles in the current newsgroup that haven't been downloaded.")
1394 (defvar gnus-newsgroup-unsendable nil
1395 "List of articles in the current newsgroup that won't be sent.")
1397 (defvar gnus-newsgroup-bookmarks nil
1398 "List of articles in the current newsgroup that have bookmarks.")
1400 (defvar gnus-newsgroup-dormant nil
1401 "Sorted list of dormant articles in the current newsgroup.")
1403 (defvar gnus-newsgroup-unseen nil
1404 "List of unseen articles in the current newsgroup.")
1406 (defvar gnus-newsgroup-seen nil
1407 "Range of seen articles in the current newsgroup.")
1409 (defvar gnus-newsgroup-articles nil
1410 "List of articles in the current newsgroup.")
1412 (defvar gnus-newsgroup-scored nil
1413 "List of scored articles in the current newsgroup.")
1415 (defvar gnus-newsgroup-headers nil
1416 "List of article headers in the current newsgroup.")
1418 (defvar gnus-newsgroup-threads nil)
1420 (defvar gnus-newsgroup-prepared nil
1421 "Whether the current group has been prepared properly.")
1423 (defvar gnus-newsgroup-ancient nil
1424 "List of `gnus-fetch-old-headers' articles in the current newsgroup.")
1426 (defvar gnus-newsgroup-sparse nil)
1428 (defvar gnus-current-article nil)
1429 (defvar gnus-article-current nil)
1430 (defvar gnus-current-headers nil)
1431 (defvar gnus-have-all-headers nil)
1432 (defvar gnus-last-article nil)
1433 (defvar gnus-newsgroup-history nil)
1434 (defvar gnus-newsgroup-charset nil)
1435 (defvar gnus-newsgroup-ephemeral-charset nil)
1436 (defvar gnus-newsgroup-ephemeral-ignored-charsets nil)
1438 (defvar gnus-article-before-search nil)
1440 (defvar gnus-summary-local-variables
1441 '(gnus-newsgroup-name
1442 gnus-newsgroup-begin gnus-newsgroup-end
1443 gnus-newsgroup-last-rmail gnus-newsgroup-last-mail
1444 gnus-newsgroup-last-folder gnus-newsgroup-last-file
1445 gnus-newsgroup-last-directory
1446 gnus-newsgroup-auto-expire gnus-newsgroup-unreads
1447 gnus-newsgroup-unselected gnus-newsgroup-marked
1448 gnus-newsgroup-spam-marked
1449 gnus-newsgroup-reads gnus-newsgroup-saved
1450 gnus-newsgroup-replied gnus-newsgroup-forwarded
1451 gnus-newsgroup-recent
1452 gnus-newsgroup-expirable
1453 gnus-newsgroup-processable gnus-newsgroup-killed
1454 gnus-newsgroup-downloadable gnus-newsgroup-undownloaded
1455 gnus-newsgroup-unfetched
1456 gnus-newsgroup-unsendable gnus-newsgroup-unseen
1457 gnus-newsgroup-seen gnus-newsgroup-articles
1458 gnus-newsgroup-bookmarks gnus-newsgroup-dormant
1459 gnus-newsgroup-headers gnus-newsgroup-threads
1460 gnus-newsgroup-prepared gnus-summary-highlight-line-function
1461 gnus-current-article gnus-current-headers gnus-have-all-headers
1462 gnus-last-article gnus-article-internal-prepare-hook
1463 gnus-newsgroup-dependencies gnus-newsgroup-selected-overlay
1464 gnus-newsgroup-scored gnus-newsgroup-kill-headers
1465 gnus-thread-expunge-below
1466 gnus-score-alist gnus-current-score-file
1467 (gnus-summary-expunge-below . global)
1468 (gnus-summary-mark-below . global)
1469 (gnus-orphan-score . global)
1470 gnus-newsgroup-active gnus-scores-exclude-files
1471 gnus-newsgroup-history gnus-newsgroup-ancient
1472 gnus-newsgroup-sparse gnus-newsgroup-process-stack
1473 (gnus-newsgroup-adaptive . gnus-use-adaptive-scoring)
1474 gnus-newsgroup-adaptive-score-file (gnus-reffed-article-number . -1)
1475 (gnus-newsgroup-expunged-tally . 0)
1476 gnus-cache-removable-articles gnus-newsgroup-cached
1477 gnus-newsgroup-data gnus-newsgroup-data-reverse
1478 gnus-newsgroup-limit gnus-newsgroup-limits
1479 gnus-newsgroup-charset gnus-newsgroup-display
1480 gnus-summary-use-undownloaded-faces)
1481 "Variables that are buffer-local to the summary buffers.")
1483 (defvar gnus-newsgroup-variables nil
1484 "A list of variables that have separate values in different newsgroups.
1485 A list of newsgroup (summary buffer) local variables, or cons of
1486 variables and their default expressions to be evalled (when the default
1487 values are not nil), that should be made global while the summary buffer
1490 Note: The default expressions will be evaluated (using function `eval')
1491 before assignment to the local variable rather than just assigned to it.
1492 If the default expression is the symbol `global', that symbol will not
1493 be evaluated but the global value of the local variable will be used
1496 These variables can be used to set variables in the group parameters
1497 while still allowing them to affect operations done in other buffers.
1500 \(setq gnus-newsgroup-variables
1501 '(message-use-followup-to
1502 (gnus-visible-headers .
1503 \"^From:\\\\|^Newsgroups:\\\\|^Subject:\\\\|^Date:\\\\|^To:\")))
1506 ;; Byte-compiler warning.
1508 ;; Bind features so that require will believe that gnus-sum has
1509 ;; already been loaded (avoids infinite recursion)
1510 (let ((features (cons 'gnus-sum features)))
1511 ;; Several of the declarations in gnus-sum are needed to load the
1512 ;; following files. Right now, these definitions have been
1513 ;; compiled but not defined (evaluated). We could either do a
1514 ;; eval-and-compile about all of the declarations or evaluate the
1516 (if (boundp 'gnus-newsgroup-variables)
1518 (load "gnus-sum.el" t t t))
1520 (require 'gnus-art)))
1524 (defvar gnus-decode-encoded-word-methods
1525 '(mail-decode-encoded-word-string)
1526 "List of methods used to decode encoded words.
1528 This variable is a list of FUNCTION or (REGEXP . FUNCTION). If item
1529 is FUNCTION, FUNCTION will be apply to all newsgroups. If item is a
1530 \(REGEXP . FUNCTION), FUNCTION will be only apply to thes newsgroups
1531 whose names match REGEXP.
1534 \((\"chinese\" . gnus-decode-encoded-word-string-by-guess)
1535 mail-decode-encoded-word-string
1536 (\"chinese\" . rfc1843-decode-string))")
1538 (defvar gnus-decode-encoded-word-methods-cache nil)
1540 (defun gnus-multi-decode-encoded-word-string (string)
1541 "Apply the functions from `gnus-encoded-word-methods' that match."
1542 (unless (and gnus-decode-encoded-word-methods-cache
1543 (eq gnus-newsgroup-name
1544 (car gnus-decode-encoded-word-methods-cache)))
1545 (setq gnus-decode-encoded-word-methods-cache (list gnus-newsgroup-name))
1548 (nconc gnus-decode-encoded-word-methods-cache (list x))
1549 (if (and gnus-newsgroup-name
1550 (string-match (car x) gnus-newsgroup-name))
1551 (nconc gnus-decode-encoded-word-methods-cache
1553 gnus-decode-encoded-word-methods))
1554 (let ((xlist gnus-decode-encoded-word-methods-cache))
1557 (setq string (funcall (pop xlist) string))))
1560 ;; Subject simplification.
1562 (defun gnus-simplify-whitespace (str)
1563 "Remove excessive whitespace from STR."
1565 (while (string-match "[ \t][ \t]+" str)
1566 (setq str (concat (substring str 0 (match-beginning 0))
1568 (substring str (match-end 0)))))
1570 (when (string-match "^[ \t]+" str)
1571 (setq str (substring str (match-end 0))))
1573 (when (string-match "[ \t]+$" str)
1574 (setq str (substring str 0 (match-beginning 0))))
1577 (defun gnus-simplify-all-whitespace (str)
1578 "Remove all whitespace from STR."
1579 (while (string-match "[ \t\n]+" str)
1580 (setq str (replace-match "" nil nil str)))
1583 (defsubst gnus-simplify-subject-re (subject)
1584 "Remove \"Re:\" from subject lines."
1585 (if (string-match message-subject-re-regexp subject)
1586 (substring subject (match-end 0))
1589 (defun gnus-simplify-subject (subject &optional re-only)
1590 "Remove `Re:' and words in parentheses.
1591 If RE-ONLY is non-nil, strip leading `Re:'s only."
1592 (let ((case-fold-search t)) ;Ignore case.
1593 ;; Remove `Re:', `Re^N:', `Re(n)', and `Re[n]:'.
1594 (when (string-match "\\`\\(re\\([[(^][0-9]+[])]?\\)?:[ \t]*\\)+" subject)
1595 (setq subject (substring subject (match-end 0))))
1596 ;; Remove uninteresting prefixes.
1597 (when (and (not re-only)
1598 gnus-simplify-ignored-prefixes
1599 (string-match gnus-simplify-ignored-prefixes subject))
1600 (setq subject (substring subject (match-end 0))))
1601 ;; Remove words in parentheses from end.
1603 (while (string-match "[ \t\n]*([^()]*)[ \t\n]*\\'" subject)
1604 (setq subject (substring subject 0 (match-beginning 0)))))
1605 ;; Return subject string.
1608 ;; Remove any leading "re:"s, any trailing paren phrases, and simplify
1610 (defsubst gnus-simplify-buffer-fuzzy-step (regexp &optional newtext)
1611 (goto-char (point-min))
1612 (while (re-search-forward regexp nil t)
1613 (replace-match (or newtext ""))))
1615 (defun gnus-simplify-buffer-fuzzy ()
1616 "Simplify string in the buffer fuzzily.
1617 The string in the accessible portion of the current buffer is simplified.
1618 It is assumed to be a single-line subject.
1619 Whitespace is generally cleaned up, and miscellaneous leading/trailing
1620 matter is removed. Additional things can be deleted by setting
1621 `gnus-simplify-subject-fuzzy-regexp'."
1622 (let ((case-fold-search t)
1624 (gnus-simplify-buffer-fuzzy-step "\t" " ")
1626 (while (not (eq modified-tick (buffer-modified-tick)))
1627 (setq modified-tick (buffer-modified-tick))
1629 ((listp gnus-simplify-subject-fuzzy-regexp)
1630 (mapcar 'gnus-simplify-buffer-fuzzy-step
1631 gnus-simplify-subject-fuzzy-regexp))
1632 (gnus-simplify-subject-fuzzy-regexp
1633 (gnus-simplify-buffer-fuzzy-step gnus-simplify-subject-fuzzy-regexp)))
1634 (gnus-simplify-buffer-fuzzy-step "^ *\\[[-+?*!][-+?*!]\\] *")
1635 (gnus-simplify-buffer-fuzzy-step
1636 "^ *\\(re\\|fw\\|fwd\\)[[{(^0-9]*[])}]?[:;] *")
1637 (gnus-simplify-buffer-fuzzy-step "^[[].*:\\( .*\\)[]]$" "\\1"))
1639 (gnus-simplify-buffer-fuzzy-step " *[[{(][^()\n]*[]})] *$")
1640 (gnus-simplify-buffer-fuzzy-step " +" " ")
1641 (gnus-simplify-buffer-fuzzy-step " $")
1642 (gnus-simplify-buffer-fuzzy-step "^ +")))
1644 (defun gnus-simplify-subject-fuzzy (subject)
1645 "Simplify a subject string fuzzily.
1646 See `gnus-simplify-buffer-fuzzy' for details."
1648 (gnus-set-work-buffer)
1649 (let ((case-fold-search t))
1650 ;; Remove uninteresting prefixes.
1651 (when (and gnus-simplify-ignored-prefixes
1652 (string-match gnus-simplify-ignored-prefixes subject))
1653 (setq subject (substring subject (match-end 0))))
1655 (inline (gnus-simplify-buffer-fuzzy))
1658 (defsubst gnus-simplify-subject-fully (subject)
1659 "Simplify a subject string according to `gnus-summary-gather-subject-limit'."
1661 (gnus-simplify-subject-functions
1662 (gnus-map-function gnus-simplify-subject-functions subject))
1663 ((null gnus-summary-gather-subject-limit)
1664 (gnus-simplify-subject-re subject))
1665 ((eq gnus-summary-gather-subject-limit 'fuzzy)
1666 (gnus-simplify-subject-fuzzy subject))
1667 ((numberp gnus-summary-gather-subject-limit)
1668 (gnus-limit-string (gnus-simplify-subject-re subject)
1669 gnus-summary-gather-subject-limit))
1673 (defsubst gnus-subject-equal (s1 s2 &optional simple-first)
1674 "Check whether two subjects are equal.
1675 If optional argument SIMPLE-FIRST is t, first argument is already
1678 ((null simple-first)
1679 (equal (gnus-simplify-subject-fully s1)
1680 (gnus-simplify-subject-fully s2)))
1683 (gnus-simplify-subject-fully s2)))))
1685 (defun gnus-summary-bubble-group ()
1686 "Increase the score of the current group.
1687 This is a handy function to add to `gnus-summary-exit-hook' to
1688 increase the score of each group you read."
1689 (gnus-group-add-score gnus-newsgroup-name))
1693 ;;; Gnus summary mode
1696 (put 'gnus-summary-mode 'mode-class 'special)
1698 (defvar gnus-article-commands-menu)
1700 ;; Non-orthogonal keys
1702 (gnus-define-keys gnus-summary-mode-map
1703 " " gnus-summary-next-page
1704 "\177" gnus-summary-prev-page
1705 [delete] gnus-summary-prev-page
1706 [backspace] gnus-summary-prev-page
1707 "\r" gnus-summary-scroll-up
1708 "\M-\r" gnus-summary-scroll-down
1709 "n" gnus-summary-next-unread-article
1710 "p" gnus-summary-prev-unread-article
1711 "N" gnus-summary-next-article
1712 "P" gnus-summary-prev-article
1713 "\M-\C-n" gnus-summary-next-same-subject
1714 "\M-\C-p" gnus-summary-prev-same-subject
1715 "\M-n" gnus-summary-next-unread-subject
1716 "\M-p" gnus-summary-prev-unread-subject
1717 "." gnus-summary-first-unread-article
1718 "," gnus-summary-best-unread-article
1719 "\M-s" gnus-summary-search-article-forward
1720 "\M-r" gnus-summary-search-article-backward
1721 "\M-S" gnus-summary-repeat-search-article-forward
1722 "\M-R" gnus-summary-repeat-search-article-backward
1723 "<" gnus-summary-beginning-of-article
1724 ">" gnus-summary-end-of-article
1725 "j" gnus-summary-goto-article
1726 "^" gnus-summary-refer-parent-article
1727 "\M-^" gnus-summary-refer-article
1728 "u" gnus-summary-tick-article-forward
1729 "!" gnus-summary-tick-article-forward
1730 "U" gnus-summary-tick-article-backward
1731 "d" gnus-summary-mark-as-read-forward
1732 "D" gnus-summary-mark-as-read-backward
1733 "E" gnus-summary-mark-as-expirable
1734 "\M-u" gnus-summary-clear-mark-forward
1735 "\M-U" gnus-summary-clear-mark-backward
1736 "k" gnus-summary-kill-same-subject-and-select
1737 "\C-k" gnus-summary-kill-same-subject
1738 "\M-\C-k" gnus-summary-kill-thread
1739 "\M-\C-l" gnus-summary-lower-thread
1740 "e" gnus-summary-edit-article
1741 "#" gnus-summary-mark-as-processable
1742 "\M-#" gnus-summary-unmark-as-processable
1743 "\M-\C-t" gnus-summary-toggle-threads
1744 "\M-\C-s" gnus-summary-show-thread
1745 "\M-\C-h" gnus-summary-hide-thread
1746 "\M-\C-f" gnus-summary-next-thread
1747 "\M-\C-b" gnus-summary-prev-thread
1748 [(meta down)] gnus-summary-next-thread
1749 [(meta up)] gnus-summary-prev-thread
1750 "\M-\C-u" gnus-summary-up-thread
1751 "\M-\C-d" gnus-summary-down-thread
1752 "&" gnus-summary-execute-command
1753 "c" gnus-summary-catchup-and-exit
1754 "\C-w" gnus-summary-mark-region-as-read
1755 "\C-t" gnus-summary-toggle-truncation
1756 "?" gnus-summary-mark-as-dormant
1757 "\C-c\M-\C-s" gnus-summary-limit-include-expunged
1758 "\C-c\C-s\C-n" gnus-summary-sort-by-number
1759 "\C-c\C-s\C-l" gnus-summary-sort-by-lines
1760 "\C-c\C-s\C-c" gnus-summary-sort-by-chars
1761 "\C-c\C-s\C-a" gnus-summary-sort-by-author
1762 "\C-c\C-s\C-t" gnus-summary-sort-by-recipient
1763 "\C-c\C-s\C-s" gnus-summary-sort-by-subject
1764 "\C-c\C-s\C-d" gnus-summary-sort-by-date
1765 "\C-c\C-s\C-i" gnus-summary-sort-by-score
1766 "\C-c\C-s\C-o" gnus-summary-sort-by-original
1767 "\C-c\C-s\C-r" gnus-summary-sort-by-random
1768 "=" gnus-summary-expand-window
1769 "\C-x\C-s" gnus-summary-reselect-current-group
1770 "\M-g" gnus-summary-rescan-group
1771 "w" gnus-summary-stop-page-breaking
1772 "\C-c\C-r" gnus-summary-caesar-message
1773 "f" gnus-summary-followup
1774 "F" gnus-summary-followup-with-original
1775 "C" gnus-summary-cancel-article
1776 "r" gnus-summary-reply
1777 "R" gnus-summary-reply-with-original
1778 "\C-c\C-f" gnus-summary-mail-forward
1779 "o" gnus-summary-save-article
1780 "\C-o" gnus-summary-save-article-mail
1781 "|" gnus-summary-pipe-output
1782 "\M-k" gnus-summary-edit-local-kill
1783 "\M-K" gnus-summary-edit-global-kill
1785 "\C-c\C-d" gnus-summary-describe-group
1786 "q" gnus-summary-exit
1787 "Q" gnus-summary-exit-no-update
1788 "\C-c\C-i" gnus-info-find-node
1789 gnus-mouse-2 gnus-mouse-pick-article
1790 [follow-link] mouse-face
1791 "m" gnus-summary-mail-other-window
1792 "a" gnus-summary-post-news
1793 "i" gnus-summary-news-other-window
1794 "x" gnus-summary-limit-to-unread
1795 "s" gnus-summary-isearch-article
1796 "t" gnus-summary-toggle-header
1797 "g" gnus-summary-show-article
1798 "l" gnus-summary-goto-last-article
1799 "\C-c\C-v\C-v" gnus-uu-decode-uu-view
1800 "\C-d" gnus-summary-enter-digest-group
1801 "\M-\C-d" gnus-summary-read-document
1802 "\M-\C-e" gnus-summary-edit-parameters
1803 "\M-\C-a" gnus-summary-customize-parameters
1805 "*" gnus-cache-enter-article
1806 "\M-*" gnus-cache-remove-article
1807 "\M-&" gnus-summary-universal-argument
1808 "\C-l" gnus-recenter
1809 "I" gnus-summary-increase-score
1810 "L" gnus-summary-lower-score
1811 "\M-i" gnus-symbolic-argument
1812 "h" gnus-summary-select-article-buffer
1814 "b" gnus-article-view-part
1815 "\M-t" gnus-summary-toggle-display-buttonized
1817 "V" gnus-summary-score-map
1818 "X" gnus-uu-extract-map
1819 "S" gnus-summary-send-map)
1821 ;; Sort of orthogonal keymap
1822 (gnus-define-keys (gnus-summary-mark-map "M" gnus-summary-mode-map)
1823 "t" gnus-summary-tick-article-forward
1824 "!" gnus-summary-tick-article-forward
1825 "d" gnus-summary-mark-as-read-forward
1826 "r" gnus-summary-mark-as-read-forward
1827 "c" gnus-summary-clear-mark-forward
1828 " " gnus-summary-clear-mark-forward
1829 "e" gnus-summary-mark-as-expirable
1830 "x" gnus-summary-mark-as-expirable
1831 "?" gnus-summary-mark-as-dormant
1832 "b" gnus-summary-set-bookmark
1833 "B" gnus-summary-remove-bookmark
1834 "#" gnus-summary-mark-as-processable
1835 "\M-#" gnus-summary-unmark-as-processable
1836 "S" gnus-summary-limit-include-expunged
1837 "C" gnus-summary-catchup
1838 "H" gnus-summary-catchup-to-here
1839 "h" gnus-summary-catchup-from-here
1840 "\C-c" gnus-summary-catchup-all
1841 "k" gnus-summary-kill-same-subject-and-select
1842 "K" gnus-summary-kill-same-subject
1843 "P" gnus-uu-mark-map)
1845 (gnus-define-keys (gnus-summary-mscore-map "V" gnus-summary-mark-map)
1846 "c" gnus-summary-clear-above
1847 "u" gnus-summary-tick-above
1848 "m" gnus-summary-mark-above
1849 "k" gnus-summary-kill-below)
1851 (gnus-define-keys (gnus-summary-limit-map "/" gnus-summary-mode-map)
1852 "/" gnus-summary-limit-to-subject
1853 "n" gnus-summary-limit-to-articles
1854 "b" gnus-summary-limit-to-bodies
1855 "w" gnus-summary-pop-limit
1856 "s" gnus-summary-limit-to-subject
1857 "a" gnus-summary-limit-to-author
1858 "u" gnus-summary-limit-to-unread
1859 "m" gnus-summary-limit-to-marks
1860 "M" gnus-summary-limit-exclude-marks
1861 "v" gnus-summary-limit-to-score
1862 "*" gnus-summary-limit-include-cached
1863 "D" gnus-summary-limit-include-dormant
1864 "T" gnus-summary-limit-include-thread
1865 "d" gnus-summary-limit-exclude-dormant
1866 "t" gnus-summary-limit-to-age
1867 "." gnus-summary-limit-to-unseen
1868 "x" gnus-summary-limit-to-extra
1869 "p" gnus-summary-limit-to-display-predicate
1870 "E" gnus-summary-limit-include-expunged
1871 "c" gnus-summary-limit-exclude-childless-dormant
1872 "C" gnus-summary-limit-mark-excluded-as-read
1873 "o" gnus-summary-insert-old-articles
1874 "N" gnus-summary-insert-new-articles
1875 "r" gnus-summary-limit-to-replied
1876 "R" gnus-summary-limit-to-recipient)
1878 (gnus-define-keys (gnus-summary-goto-map "G" gnus-summary-mode-map)
1879 "n" gnus-summary-next-unread-article
1880 "p" gnus-summary-prev-unread-article
1881 "N" gnus-summary-next-article
1882 "P" gnus-summary-prev-article
1883 "\C-n" gnus-summary-next-same-subject
1884 "\C-p" gnus-summary-prev-same-subject
1885 "\M-n" gnus-summary-next-unread-subject
1886 "\M-p" gnus-summary-prev-unread-subject
1887 "f" gnus-summary-first-unread-article
1888 "b" gnus-summary-best-unread-article
1889 "j" gnus-summary-goto-article
1890 "g" gnus-summary-goto-subject
1891 "l" gnus-summary-goto-last-article
1892 "o" gnus-summary-pop-article)
1894 (gnus-define-keys (gnus-summary-thread-map "T" gnus-summary-mode-map)
1895 "k" gnus-summary-kill-thread
1896 "l" gnus-summary-lower-thread
1897 "i" gnus-summary-raise-thread
1898 "T" gnus-summary-toggle-threads
1899 "t" gnus-summary-rethread-current
1900 "^" gnus-summary-reparent-thread
1901 "\M-^" gnus-summary-reparent-children
1902 "s" gnus-summary-show-thread
1903 "S" gnus-summary-show-all-threads
1904 "h" gnus-summary-hide-thread
1905 "H" gnus-summary-hide-all-threads
1906 "n" gnus-summary-next-thread
1907 "p" gnus-summary-prev-thread
1908 "u" gnus-summary-up-thread
1909 "o" gnus-summary-top-thread
1910 "d" gnus-summary-down-thread
1911 "#" gnus-uu-mark-thread
1912 "\M-#" gnus-uu-unmark-thread)
1914 (gnus-define-keys (gnus-summary-buffer-map "Y" gnus-summary-mode-map)
1915 "g" gnus-summary-prepare
1916 "c" gnus-summary-insert-cached-articles
1917 "d" gnus-summary-insert-dormant-articles)
1919 (gnus-define-keys (gnus-summary-exit-map "Z" gnus-summary-mode-map)
1920 "c" gnus-summary-catchup-and-exit
1921 "C" gnus-summary-catchup-all-and-exit
1922 "E" gnus-summary-exit-no-update
1923 "Q" gnus-summary-exit
1924 "Z" gnus-summary-exit
1925 "n" gnus-summary-catchup-and-goto-next-group
1926 "p" gnus-summary-catchup-and-goto-prev-group
1927 "R" gnus-summary-reselect-current-group
1928 "G" gnus-summary-rescan-group
1929 "N" gnus-summary-next-group
1930 "s" gnus-summary-save-newsrc
1931 "P" gnus-summary-prev-group)
1933 (gnus-define-keys (gnus-summary-article-map "A" gnus-summary-mode-map)
1934 " " gnus-summary-next-page
1935 "n" gnus-summary-next-page
1936 "\177" gnus-summary-prev-page
1937 [delete] gnus-summary-prev-page
1938 "p" gnus-summary-prev-page
1939 "\r" gnus-summary-scroll-up
1940 "\M-\r" gnus-summary-scroll-down
1941 "<" gnus-summary-beginning-of-article
1942 ">" gnus-summary-end-of-article
1943 "b" gnus-summary-beginning-of-article
1944 "e" gnus-summary-end-of-article
1945 "^" gnus-summary-refer-parent-article
1946 "r" gnus-summary-refer-parent-article
1947 "D" gnus-summary-enter-digest-group
1948 "R" gnus-summary-refer-references
1949 "T" gnus-summary-refer-thread
1950 "g" gnus-summary-show-article
1951 "s" gnus-summary-isearch-article
1952 "P" gnus-summary-print-article
1953 "M" gnus-mailing-list-insinuate
1954 "t" gnus-article-babel)
1956 (gnus-define-keys (gnus-summary-wash-map "W" gnus-summary-mode-map)
1957 "b" gnus-article-add-buttons
1958 "B" gnus-article-add-buttons-to-head
1959 "o" gnus-article-treat-overstrike
1960 "e" gnus-article-emphasize
1961 "w" gnus-article-fill-cited-article
1962 "Q" gnus-article-fill-long-lines
1963 "L" gnus-article-toggle-truncate-lines
1964 "C" gnus-article-capitalize-sentences
1965 "c" gnus-article-remove-cr
1966 "q" gnus-article-de-quoted-unreadable
1967 "6" gnus-article-de-base64-unreadable
1968 "Z" gnus-article-decode-HZ
1969 "A" gnus-article-treat-ansi-sequences
1970 "h" gnus-article-wash-html
1971 "u" gnus-article-unsplit-urls
1972 "s" gnus-summary-force-verify-and-decrypt
1973 "f" gnus-article-display-x-face
1974 "l" gnus-summary-stop-page-breaking
1975 "r" gnus-summary-caesar-message
1976 "m" gnus-summary-morse-message
1977 "t" gnus-summary-toggle-header
1978 "g" gnus-treat-smiley
1979 "v" gnus-summary-verbose-headers
1980 "a" gnus-article-strip-headers-in-body ;; mnemonic: wash archive
1981 "p" gnus-article-verify-x-pgp-sig
1982 "d" gnus-article-treat-dumbquotes
1983 "i" gnus-summary-idna-message)
1985 (gnus-define-keys (gnus-summary-wash-deuglify-map "Y" gnus-summary-wash-map)
1986 ;; mnemonic: deuglif*Y*
1987 "u" gnus-article-outlook-unwrap-lines
1988 "a" gnus-article-outlook-repair-attribution
1989 "c" gnus-article-outlook-rearrange-citation
1990 "f" gnus-article-outlook-deuglify-article) ;; mnemonic: full deuglify
1992 (gnus-define-keys (gnus-summary-wash-hide-map "W" gnus-summary-wash-map)
1993 "a" gnus-article-hide
1994 "h" gnus-article-hide-headers
1995 "b" gnus-article-hide-boring-headers
1996 "s" gnus-article-hide-signature
1997 "c" gnus-article-hide-citation
1998 "C" gnus-article-hide-citation-in-followups
1999 "l" gnus-article-hide-list-identifiers
2000 "B" gnus-article-strip-banner
2001 "P" gnus-article-hide-pem
2002 "\C-c" gnus-article-hide-citation-maybe)
2004 (gnus-define-keys (gnus-summary-wash-highlight-map "H" gnus-summary-wash-map)
2005 "a" gnus-article-highlight
2006 "h" gnus-article-highlight-headers
2007 "c" gnus-article-highlight-citation
2008 "s" gnus-article-highlight-signature)
2010 (gnus-define-keys (gnus-summary-wash-header-map "G" gnus-summary-wash-map)
2011 "f" gnus-article-treat-fold-headers
2012 "u" gnus-article-treat-unfold-headers
2013 "n" gnus-article-treat-fold-newsgroups)
2015 (gnus-define-keys (gnus-summary-wash-display-map "D" gnus-summary-wash-map)
2016 "x" gnus-article-display-x-face
2017 "d" gnus-article-display-face
2018 "s" gnus-treat-smiley
2019 "D" gnus-article-remove-images
2020 "f" gnus-treat-from-picon
2021 "m" gnus-treat-mail-picon
2022 "n" gnus-treat-newsgroups-picon)
2024 (gnus-define-keys (gnus-summary-wash-mime-map "M" gnus-summary-wash-map)
2025 "w" gnus-article-decode-mime-words
2026 "c" gnus-article-decode-charset
2027 "v" gnus-mime-view-all-parts
2028 "b" gnus-article-view-part)
2030 (gnus-define-keys (gnus-summary-wash-time-map "T" gnus-summary-wash-map)
2031 "z" gnus-article-date-ut
2032 "u" gnus-article-date-ut
2033 "l" gnus-article-date-local
2034 "p" gnus-article-date-english
2035 "e" gnus-article-date-lapsed
2036 "o" gnus-article-date-original
2037 "i" gnus-article-date-iso8601
2038 "s" gnus-article-date-user)
2040 (gnus-define-keys (gnus-summary-wash-empty-map "E" gnus-summary-wash-map)
2041 "t" gnus-article-remove-trailing-blank-lines
2042 "l" gnus-article-strip-leading-blank-lines
2043 "m" gnus-article-strip-multiple-blank-lines
2044 "a" gnus-article-strip-blank-lines
2045 "A" gnus-article-strip-all-blank-lines
2046 "s" gnus-article-strip-leading-space
2047 "e" gnus-article-strip-trailing-space
2048 "w" gnus-article-remove-leading-whitespace)
2050 (gnus-define-keys (gnus-summary-help-map "H" gnus-summary-mode-map)
2052 "f" gnus-summary-fetch-faq
2053 "d" gnus-summary-describe-group
2054 "h" gnus-summary-describe-briefly
2055 "i" gnus-info-find-node
2056 "c" gnus-group-fetch-charter
2057 "C" gnus-group-fetch-control)
2059 (gnus-define-keys (gnus-summary-backend-map "B" gnus-summary-mode-map)
2060 "e" gnus-summary-expire-articles
2061 "\M-\C-e" gnus-summary-expire-articles-now
2062 "\177" gnus-summary-delete-article
2063 [delete] gnus-summary-delete-article
2064 [backspace] gnus-summary-delete-article
2065 "m" gnus-summary-move-article
2066 "r" gnus-summary-respool-article
2067 "w" gnus-summary-edit-article
2068 "c" gnus-summary-copy-article
2069 "B" gnus-summary-crosspost-article
2070 "q" gnus-summary-respool-query
2071 "t" gnus-summary-respool-trace
2072 "i" gnus-summary-import-article
2073 "I" gnus-summary-create-article
2074 "p" gnus-summary-article-posted-p)
2076 (gnus-define-keys (gnus-summary-save-map "O" gnus-summary-mode-map)
2077 "o" gnus-summary-save-article
2078 "m" gnus-summary-save-article-mail
2079 "F" gnus-summary-write-article-file
2080 "r" gnus-summary-save-article-rmail
2081 "f" gnus-summary-save-article-file
2082 "b" gnus-summary-save-article-body-file
2083 "B" gnus-summary-write-article-body-file
2084 "h" gnus-summary-save-article-folder
2085 "v" gnus-summary-save-article-vm
2086 "p" gnus-summary-pipe-output
2087 "P" gnus-summary-muttprint
2088 "s" gnus-soup-add-article)
2090 (gnus-define-keys (gnus-summary-mime-map "K" gnus-summary-mode-map)
2091 "b" gnus-summary-display-buttonized
2092 "m" gnus-summary-repair-multipart
2093 "v" gnus-article-view-part
2094 "o" gnus-article-save-part
2095 "O" gnus-article-save-part-and-strip
2096 "r" gnus-article-replace-part
2097 "d" gnus-article-delete-part
2098 "t" gnus-article-view-part-as-type
2099 "j" gnus-article-jump-to-part
2100 "c" gnus-article-copy-part
2101 "C" gnus-article-view-part-as-charset
2102 "e" gnus-article-view-part-externally
2103 "H" gnus-article-browse-html-article
2104 "E" gnus-article-encrypt-body
2105 "i" gnus-article-inline-part
2106 "|" gnus-article-pipe-part)
2108 (gnus-define-keys (gnus-uu-mark-map "P" gnus-summary-mark-map)
2109 "p" gnus-summary-mark-as-processable
2110 "u" gnus-summary-unmark-as-processable
2111 "U" gnus-summary-unmark-all-processable
2112 "v" gnus-uu-mark-over
2113 "s" gnus-uu-mark-series
2114 "r" gnus-uu-mark-region
2115 "g" gnus-uu-unmark-region
2116 "R" gnus-uu-mark-by-regexp
2117 "G" gnus-uu-unmark-by-regexp
2118 "t" gnus-uu-mark-thread
2119 "T" gnus-uu-unmark-thread
2120 "a" gnus-uu-mark-all
2121 "b" gnus-uu-mark-buffer
2122 "S" gnus-uu-mark-sparse
2123 "k" gnus-summary-kill-process-mark
2124 "y" gnus-summary-yank-process-mark
2125 "w" gnus-summary-save-process-mark
2126 "i" gnus-uu-invert-processable)
2128 (gnus-define-keys (gnus-uu-extract-map "X" gnus-summary-mode-map)
2129 ;;"x" gnus-uu-extract-any
2130 "m" gnus-summary-save-parts
2131 "u" gnus-uu-decode-uu
2132 "U" gnus-uu-decode-uu-and-save
2133 "s" gnus-uu-decode-unshar
2134 "S" gnus-uu-decode-unshar-and-save
2135 "o" gnus-uu-decode-save
2136 "O" gnus-uu-decode-save
2137 "b" gnus-uu-decode-binhex
2138 "B" gnus-uu-decode-binhex
2139 "p" gnus-uu-decode-postscript
2140 "P" gnus-uu-decode-postscript-and-save)
2143 (gnus-uu-extract-view-map "v" gnus-uu-extract-map)
2144 "u" gnus-uu-decode-uu-view
2145 "U" gnus-uu-decode-uu-and-save-view
2146 "s" gnus-uu-decode-unshar-view
2147 "S" gnus-uu-decode-unshar-and-save-view
2148 "o" gnus-uu-decode-save-view
2149 "O" gnus-uu-decode-save-view
2150 "b" gnus-uu-decode-binhex-view
2151 "B" gnus-uu-decode-binhex-view
2152 "p" gnus-uu-decode-postscript-view
2153 "P" gnus-uu-decode-postscript-and-save-view)
2155 (defvar gnus-article-post-menu nil)
2157 (defconst gnus-summary-menu-maxlen 20)
2159 (defun gnus-summary-menu-split (menu)
2160 ;; If we have lots of elements, divide them into groups of 20
2161 ;; and make a pane (or submenu) for each one.
2162 (if (> (length menu) (/ (* gnus-summary-menu-maxlen 3) 2))
2163 (let ((menu menu) sublists next
2166 ;; Pull off the next gnus-summary-menu-maxlen elements
2167 ;; and make them the next element of sublist.
2168 (setq next (nthcdr gnus-summary-menu-maxlen menu))
2170 (setcdr (nthcdr (1- gnus-summary-menu-maxlen) menu)
2172 (setq sublists (cons (cons (format "%s ... %s" (aref (car menu) 0)
2173 (aref (car (last menu)) 0)) menu)
2177 (nreverse sublists))
2178 ;; Few elements--put them all in one pane.
2181 (defun gnus-summary-make-menu-bar ()
2182 (gnus-turn-off-edit-menu 'summary)
2184 (unless (boundp 'gnus-summary-misc-menu)
2187 gnus-summary-kill-menu gnus-summary-mode-map ""
2192 ["Customize" gnus-score-customize t])
2193 (gnus-make-score-map 'increase)
2194 (gnus-make-score-map 'lower)
2196 ["Kill below" gnus-summary-kill-below t]
2197 ["Mark above" gnus-summary-mark-above t]
2198 ["Tick above" gnus-summary-tick-above t]
2199 ["Clear above" gnus-summary-clear-above t])
2200 ["Current score" gnus-summary-current-score t]
2201 ["Set score" gnus-summary-set-score t]
2202 ["Switch current score file..." gnus-score-change-score-file t]
2203 ["Set mark below..." gnus-score-set-mark-below t]
2204 ["Set expunge below..." gnus-score-set-expunge-below t]
2205 ["Edit current score file" gnus-score-edit-current-scores t]
2206 ["Edit score file" gnus-score-edit-file t]
2207 ["Trace score" gnus-score-find-trace t]
2208 ["Find words" gnus-score-find-favourite-words t]
2209 ["Rescore buffer" gnus-summary-rescore t]
2210 ["Increase score..." gnus-summary-increase-score t]
2211 ["Lower score..." gnus-summary-lower-score t]))))
2213 ;; Define both the Article menu in the summary buffer and the
2214 ;; equivalent Commands menu in the article buffer here for
2218 ["All" gnus-article-hide t]
2219 ["Headers" gnus-article-hide-headers t]
2220 ["Signature" gnus-article-hide-signature t]
2221 ["Citation" gnus-article-hide-citation t]
2222 ["List identifiers" gnus-article-hide-list-identifiers t]
2223 ["Banner" gnus-article-strip-banner t]
2224 ["Boring headers" gnus-article-hide-boring-headers t])
2226 ["All" gnus-article-highlight t]
2227 ["Headers" gnus-article-highlight-headers t]
2228 ["Signature" gnus-article-highlight-signature t]
2229 ["Citation" gnus-article-highlight-citation t])
2231 ["Words" gnus-article-decode-mime-words t]
2232 ["Charset" gnus-article-decode-charset t]
2233 ["QP" gnus-article-de-quoted-unreadable t]
2234 ["Base64" gnus-article-de-base64-unreadable t]
2235 ["View MIME buttons" gnus-summary-display-buttonized t]
2236 ["View all" gnus-mime-view-all-parts t]
2237 ["Verify and Decrypt" gnus-summary-force-verify-and-decrypt t]
2238 ["Encrypt body" gnus-article-encrypt-body
2239 :active (not (gnus-group-read-only-p))
2240 ,@(if (featurep 'xemacs) nil
2241 '(:help "Encrypt the message body on disk"))]
2242 ["Extract all parts..." gnus-summary-save-parts t]
2244 ["Repair multipart" gnus-summary-repair-multipart t]
2245 ["Pipe part..." gnus-article-pipe-part t]
2246 ["Inline part" gnus-article-inline-part t]
2247 ["View part as type..." gnus-article-view-part-as-type t]
2248 ["Encrypt body" gnus-article-encrypt-body
2249 :active (not (gnus-group-read-only-p))
2250 ,@(if (featurep 'xemacs) nil
2251 '(:help "Encrypt the message body on disk"))]
2252 ["View part externally" gnus-article-view-part-externally t]
2253 ["View HTML parts in browser" gnus-article-browse-html-article t]
2254 ["View part with charset..." gnus-article-view-part-as-charset t]
2255 ["Copy part" gnus-article-copy-part t]
2256 ["Save part..." gnus-article-save-part t]
2257 ["View part" gnus-article-view-part t]))
2259 ["Local" gnus-article-date-local t]
2260 ["ISO8601" gnus-article-date-iso8601 t]
2261 ["UT" gnus-article-date-ut t]
2262 ["Original" gnus-article-date-original t]
2263 ["Lapsed" gnus-article-date-lapsed t]
2264 ["User-defined" gnus-article-date-user t])
2266 ["Remove images" gnus-article-remove-images t]
2267 ["Toggle smiley" gnus-treat-smiley t]
2268 ["Show X-Face" gnus-article-display-x-face t]
2269 ["Show picons in From" gnus-treat-from-picon t]
2270 ["Show picons in mail headers" gnus-treat-mail-picon t]
2271 ["Show picons in news headers" gnus-treat-newsgroups-picon t]
2272 ("View as different encoding"
2273 ,@(gnus-summary-menu-split
2276 ;; Since easymenu under Emacs doesn't allow
2277 ;; lambda forms for menu commands, we should
2278 ;; provide intern'ed function symbols.
2279 (let ((command (intern (format "\
2280 gnus-summary-show-article-from-menu-as-charset-%s" cs))))
2284 (let ((gnus-summary-show-article-charset-alist
2286 (gnus-summary-show-article 1))))
2287 `[,(symbol-name cs) ,command t]))
2288 (sort (if (fboundp 'coding-system-list)
2289 (coding-system-list)
2290 (mapcar 'car mm-mime-mule-charset-alist))
2294 ["Leading" gnus-article-strip-leading-blank-lines t]
2295 ["Multiple" gnus-article-strip-multiple-blank-lines t]
2296 ["Trailing" gnus-article-remove-trailing-blank-lines t]
2297 ["All of the above" gnus-article-strip-blank-lines t]
2298 ["All" gnus-article-strip-all-blank-lines t]
2299 ["Leading space" gnus-article-strip-leading-space t]
2300 ["Trailing space" gnus-article-strip-trailing-space t]
2301 ["Leading space in headers"
2302 gnus-article-remove-leading-whitespace t])
2303 ["Overstrike" gnus-article-treat-overstrike t]
2304 ["Dumb quotes" gnus-article-treat-dumbquotes t]
2305 ["Emphasis" gnus-article-emphasize t]
2306 ["Word wrap" gnus-article-fill-cited-article t]
2307 ["Fill long lines" gnus-article-fill-long-lines t]
2308 ["Toggle truncate long lines" gnus-article-toggle-truncate-lines t]
2309 ["Capitalize sentences" gnus-article-capitalize-sentences t]
2310 ["Remove CR" gnus-article-remove-cr t]
2311 ["Quoted-Printable" gnus-article-de-quoted-unreadable t]
2312 ["Base64" gnus-article-de-base64-unreadable t]
2313 ["Rot 13" gnus-summary-caesar-message
2314 ,@(if (featurep 'xemacs) '(t)
2315 '(:help "\"Caesar rotate\" article by 13"))]
2316 ["De-IDNA" gnus-summary-idna-message t]
2317 ["Morse decode" gnus-summary-morse-message t]
2318 ["Unix pipe..." gnus-summary-pipe-message t]
2319 ["Add buttons" gnus-article-add-buttons t]
2320 ["Add buttons to head" gnus-article-add-buttons-to-head t]
2321 ["Stop page breaking" gnus-summary-stop-page-breaking t]
2322 ["Verbose header" gnus-summary-verbose-headers t]
2323 ["Toggle header" gnus-summary-toggle-header t]
2324 ["Unfold headers" gnus-article-treat-unfold-headers t]
2325 ["Fold newsgroups" gnus-article-treat-fold-newsgroups t]
2326 ["Html" gnus-article-wash-html t]
2327 ["Unsplit URLs" gnus-article-unsplit-urls t]
2328 ["Verify X-PGP-Sig" gnus-article-verify-x-pgp-sig t]
2329 ["Decode HZ" gnus-article-decode-HZ t]
2330 ["ANSI sequences" gnus-article-treat-ansi-sequences t]
2331 ("(Outlook) Deuglify"
2332 ["Unwrap lines" gnus-article-outlook-unwrap-lines t]
2333 ["Repair attribution" gnus-article-outlook-repair-attribution t]
2334 ["Rearrange citation" gnus-article-outlook-rearrange-citation t]
2335 ["Full (Outlook) deuglify"
2336 gnus-article-outlook-deuglify-article t])
2339 ["Save in default format..." gnus-summary-save-article
2340 ,@(if (featurep 'xemacs) '(t)
2341 '(:help "Save article using default method"))]
2342 ["Save in file..." gnus-summary-save-article-file
2343 ,@(if (featurep 'xemacs) '(t)
2344 '(:help "Save article in file"))]
2345 ["Save in Unix mail format..." gnus-summary-save-article-mail t]
2346 ["Save in MH folder..." gnus-summary-save-article-folder t]
2347 ["Save in VM folder..." gnus-summary-save-article-vm t]
2348 ["Save in RMAIL mbox..." gnus-summary-save-article-rmail t]
2349 ["Save body in file..." gnus-summary-save-article-body-file t]
2350 ["Pipe through a filter..." gnus-summary-pipe-output t]
2351 ["Add to SOUP packet" gnus-soup-add-article t]
2352 ["Print with Muttprint..." gnus-summary-muttprint t]
2353 ["Print" gnus-summary-print-article
2354 ,@(if (featurep 'xemacs) '(t)
2355 '(:help "Generate and print a PostScript image"))])
2356 ("Copy, move,... (Backend)"
2357 ,@(if (featurep 'xemacs) nil
2358 '(:help "Copying, moving, expiring articles..."))
2359 ["Respool article..." gnus-summary-respool-article t]
2360 ["Move article..." gnus-summary-move-article
2361 (gnus-check-backend-function
2362 'request-move-article gnus-newsgroup-name)]
2363 ["Copy article..." gnus-summary-copy-article t]
2364 ["Crosspost article..." gnus-summary-crosspost-article
2365 (gnus-check-backend-function
2366 'request-replace-article gnus-newsgroup-name)]
2367 ["Import file..." gnus-summary-import-article
2368 (gnus-check-backend-function
2369 'request-accept-article gnus-newsgroup-name)]
2370 ["Create article..." gnus-summary-create-article
2371 (gnus-check-backend-function
2372 'request-accept-article gnus-newsgroup-name)]
2373 ["Check if posted" gnus-summary-article-posted-p t]
2374 ["Edit article" gnus-summary-edit-article
2375 (not (gnus-group-read-only-p))]
2376 ["Delete article" gnus-summary-delete-article
2377 (gnus-check-backend-function
2378 'request-expire-articles gnus-newsgroup-name)]
2379 ["Query respool" gnus-summary-respool-query t]
2380 ["Trace respool" gnus-summary-respool-trace t]
2381 ["Delete expirable articles" gnus-summary-expire-articles-now
2382 (gnus-check-backend-function
2383 'request-expire-articles gnus-newsgroup-name)])
2385 ["Uudecode" gnus-uu-decode-uu
2386 ,@(if (featurep 'xemacs) '(t)
2387 '(:help "Decode uuencoded article(s)"))]
2388 ["Uudecode and save" gnus-uu-decode-uu-and-save t]
2389 ["Unshar" gnus-uu-decode-unshar t]
2390 ["Unshar and save" gnus-uu-decode-unshar-and-save t]
2391 ["Save" gnus-uu-decode-save t]
2392 ["Binhex" gnus-uu-decode-binhex t]
2393 ["Postscript" gnus-uu-decode-postscript t]
2394 ["All MIME parts" gnus-summary-save-parts t])
2396 ["Enter article" gnus-cache-enter-article t]
2397 ["Remove article" gnus-cache-remove-article t])
2398 ["Translate" gnus-article-babel t]
2399 ["Select article buffer" gnus-summary-select-article-buffer t]
2400 ["Enter digest buffer" gnus-summary-enter-digest-group t]
2401 ["Isearch article..." gnus-summary-isearch-article t]
2402 ["Beginning of the article" gnus-summary-beginning-of-article t]
2403 ["End of the article" gnus-summary-end-of-article t]
2404 ["Fetch parent of article" gnus-summary-refer-parent-article t]
2405 ["Fetch referenced articles" gnus-summary-refer-references t]
2406 ["Fetch current thread" gnus-summary-refer-thread t]
2407 ["Fetch article with id..." gnus-summary-refer-article t]
2408 ["Setup Mailing List Params" gnus-mailing-list-insinuate t]
2409 ["Redisplay" gnus-summary-show-article t]
2410 ["Raw article" gnus-summary-show-raw-article :keys "C-u g"])))
2412 gnus-summary-article-menu gnus-summary-mode-map ""
2413 (cons "Article" innards))
2415 (if (not (keymapp gnus-summary-article-menu))
2417 gnus-article-commands-menu gnus-article-mode-map ""
2418 (cons "Commands" innards))
2419 ;; in Emacs, don't share menu.
2420 (setq gnus-article-commands-menu
2421 (copy-keymap gnus-summary-article-menu))
2422 (define-key gnus-article-mode-map [menu-bar commands]
2423 (cons "Commands" gnus-article-commands-menu))))
2426 gnus-summary-thread-menu gnus-summary-mode-map ""
2428 ["Find all messages in thread" gnus-summary-refer-thread t]
2429 ["Toggle threading" gnus-summary-toggle-threads t]
2430 ["Hide threads" gnus-summary-hide-all-threads t]
2431 ["Show threads" gnus-summary-show-all-threads t]
2432 ["Hide thread" gnus-summary-hide-thread t]
2433 ["Show thread" gnus-summary-show-thread t]
2434 ["Go to next thread" gnus-summary-next-thread t]
2435 ["Go to previous thread" gnus-summary-prev-thread t]
2436 ["Go down thread" gnus-summary-down-thread t]
2437 ["Go up thread" gnus-summary-up-thread t]
2438 ["Top of thread" gnus-summary-top-thread t]
2439 ["Mark thread as read" gnus-summary-kill-thread t]
2440 ["Lower thread score" gnus-summary-lower-thread t]
2441 ["Raise thread score" gnus-summary-raise-thread t]
2442 ["Rethread current" gnus-summary-rethread-current t]))
2445 gnus-summary-post-menu gnus-summary-mode-map ""
2447 ["Send a message (mail or news)" gnus-summary-post-news
2448 ,@(if (featurep 'xemacs) '(t)
2449 '(:help "Compose a new message (mail or news)"))]
2450 ["Followup" gnus-summary-followup
2451 ,@(if (featurep 'xemacs) '(t)
2452 '(:help "Post followup to this article"))]
2453 ["Followup and yank" gnus-summary-followup-with-original
2454 ,@(if (featurep 'xemacs) '(t)
2455 '(:help "Post followup to this article, quoting its contents"))]
2456 ["Supersede article" gnus-summary-supersede-article t]
2457 ["Cancel article" gnus-summary-cancel-article
2458 ,@(if (featurep 'xemacs) '(t)
2459 '(:help "Cancel an article you posted"))]
2460 ["Reply" gnus-summary-reply t]
2461 ["Reply and yank" gnus-summary-reply-with-original t]
2462 ["Wide reply" gnus-summary-wide-reply t]
2463 ["Wide reply and yank" gnus-summary-wide-reply-with-original
2464 ,@(if (featurep 'xemacs) '(t)
2465 '(:help "Mail a reply, quoting this article"))]
2466 ["Very wide reply" gnus-summary-very-wide-reply t]
2467 ["Very wide reply and yank" gnus-summary-very-wide-reply-with-original
2468 ,@(if (featurep 'xemacs) '(t)
2469 '(:help "Mail a very wide reply, quoting this article"))]
2470 ["Mail forward" gnus-summary-mail-forward t]
2471 ["Post forward" gnus-summary-post-forward t]
2472 ["Digest and mail" gnus-uu-digest-mail-forward t]
2473 ["Digest and post" gnus-uu-digest-post-forward t]
2474 ["Resend message" gnus-summary-resend-message t]
2475 ["Resend message edit" gnus-summary-resend-message-edit t]
2476 ["Send bounced mail" gnus-summary-resend-bounced-mail t]
2477 ["Send a mail" gnus-summary-mail-other-window t]
2478 ["Create a local message" gnus-summary-news-other-window t]
2479 ["Uuencode and post" gnus-uu-post-news
2480 ,@(if (featurep 'xemacs) '(t)
2481 '(:help "Post a uuencoded article"))]
2482 ["Followup via news" gnus-summary-followup-to-mail t]
2483 ["Followup via news and yank"
2484 gnus-summary-followup-to-mail-with-original t]
2486 ;;["Send" gnus-summary-send-draft t]
2487 ;;["Send bounced" gnus-resend-bounced-mail t])
2491 ((not (keymapp gnus-summary-post-menu))
2492 (setq gnus-article-post-menu gnus-summary-post-menu))
2493 ((not gnus-article-post-menu)
2494 ;; Don't share post menu.
2495 (setq gnus-article-post-menu
2496 (copy-keymap gnus-summary-post-menu))))
2497 (define-key gnus-article-mode-map [menu-bar post]
2498 (cons "Post" gnus-article-post-menu))
2501 gnus-summary-misc-menu gnus-summary-mode-map ""
2504 ["Mark as read" gnus-summary-mark-as-read-forward t]
2505 ["Mark same subject and select"
2506 gnus-summary-kill-same-subject-and-select t]
2507 ["Mark same subject" gnus-summary-kill-same-subject t]
2508 ["Catchup" gnus-summary-catchup
2509 ,@(if (featurep 'xemacs) '(t)
2510 '(:help "Mark unread articles in this group as read"))]
2511 ["Catchup all" gnus-summary-catchup-all t]
2512 ["Catchup to here" gnus-summary-catchup-to-here t]
2513 ["Catchup from here" gnus-summary-catchup-from-here t]
2514 ["Catchup region" gnus-summary-mark-region-as-read
2515 (gnus-mark-active-p)]
2516 ["Mark excluded" gnus-summary-limit-mark-excluded-as-read t])
2518 ["Tick" gnus-summary-tick-article-forward t]
2519 ["Mark as dormant" gnus-summary-mark-as-dormant t]
2520 ["Remove marks" gnus-summary-clear-mark-forward t]
2521 ["Set expirable mark" gnus-summary-mark-as-expirable t]
2522 ["Set bookmark" gnus-summary-set-bookmark t]
2523 ["Remove bookmark" gnus-summary-remove-bookmark t])
2525 ["Marks..." gnus-summary-limit-to-marks t]
2526 ["Subject..." gnus-summary-limit-to-subject t]
2527 ["Author..." gnus-summary-limit-to-author t]
2528 ["Recipient..." gnus-summary-limit-to-recipient t]
2529 ["Age..." gnus-summary-limit-to-age t]
2530 ["Extra..." gnus-summary-limit-to-extra t]
2531 ["Score..." gnus-summary-limit-to-score t]
2532 ["Display Predicate" gnus-summary-limit-to-display-predicate t]
2533 ["Unread" gnus-summary-limit-to-unread t]
2534 ["Unseen" gnus-summary-limit-to-unseen t]
2535 ["Replied" gnus-summary-limit-to-replied t]
2536 ["Non-dormant" gnus-summary-limit-exclude-dormant t]
2537 ["Next or process marked articles" gnus-summary-limit-to-articles t]
2538 ["Pop limit" gnus-summary-pop-limit t]
2539 ["Show dormant" gnus-summary-limit-include-dormant t]
2540 ["Hide childless dormant"
2541 gnus-summary-limit-exclude-childless-dormant t]
2542 ;;["Hide thread" gnus-summary-limit-exclude-thread t]
2543 ["Hide marked" gnus-summary-limit-exclude-marks t]
2544 ["Show expunged" gnus-summary-limit-include-expunged t])
2546 ["Set mark" gnus-summary-mark-as-processable t]
2547 ["Remove mark" gnus-summary-unmark-as-processable t]
2548 ["Remove all marks" gnus-summary-unmark-all-processable t]
2549 ["Invert marks" gnus-uu-invert-processable t]
2550 ["Mark above" gnus-uu-mark-over t]
2551 ["Mark series" gnus-uu-mark-series t]
2552 ["Mark region" gnus-uu-mark-region (gnus-mark-active-p)]
2553 ["Unmark region" gnus-uu-unmark-region (gnus-mark-active-p)]
2554 ["Mark by regexp..." gnus-uu-mark-by-regexp t]
2555 ["Unmark by regexp..." gnus-uu-unmark-by-regexp t]
2556 ["Mark all" gnus-uu-mark-all t]
2557 ["Mark buffer" gnus-uu-mark-buffer t]
2558 ["Mark sparse" gnus-uu-mark-sparse t]
2559 ["Mark thread" gnus-uu-mark-thread t]
2560 ["Unmark thread" gnus-uu-unmark-thread t]
2561 ("Process Mark Sets"
2562 ["Kill" gnus-summary-kill-process-mark t]
2563 ["Yank" gnus-summary-yank-process-mark
2564 gnus-newsgroup-process-stack]
2565 ["Save" gnus-summary-save-process-mark t]
2566 ["Run command on marked..." gnus-summary-universal-argument t]))
2568 ["Page forward" gnus-summary-next-page
2569 ,@(if (featurep 'xemacs) '(t)
2570 '(:help "Show next page of article"))]
2571 ["Page backward" gnus-summary-prev-page
2572 ,@(if (featurep 'xemacs) '(t)
2573 '(:help "Show previous page of article"))]
2574 ["Line forward" gnus-summary-scroll-up t])
2576 ["Next unread article" gnus-summary-next-unread-article t]
2577 ["Previous unread article" gnus-summary-prev-unread-article t]
2578 ["Next article" gnus-summary-next-article t]
2579 ["Previous article" gnus-summary-prev-article t]
2580 ["Next unread subject" gnus-summary-next-unread-subject t]
2581 ["Previous unread subject" gnus-summary-prev-unread-subject t]
2582 ["Next article same subject" gnus-summary-next-same-subject t]
2583 ["Previous article same subject" gnus-summary-prev-same-subject t]
2584 ["First unread article" gnus-summary-first-unread-article t]
2585 ["Best unread article" gnus-summary-best-unread-article t]
2586 ["Go to subject number..." gnus-summary-goto-subject t]
2587 ["Go to article number..." gnus-summary-goto-article t]
2588 ["Go to the last article" gnus-summary-goto-last-article t]
2589 ["Pop article off history" gnus-summary-pop-article t])
2591 ["Sort by number" gnus-summary-sort-by-number t]
2592 ["Sort by author" gnus-summary-sort-by-author t]
2593 ["Sort by recipient" gnus-summary-sort-by-recipient t]
2594 ["Sort by subject" gnus-summary-sort-by-subject t]
2595 ["Sort by date" gnus-summary-sort-by-date t]
2596 ["Sort by score" gnus-summary-sort-by-score t]
2597 ["Sort by lines" gnus-summary-sort-by-lines t]
2598 ["Sort by characters" gnus-summary-sort-by-chars t]
2599 ["Randomize" gnus-summary-sort-by-random t]
2600 ["Original sort" gnus-summary-sort-by-original t])
2602 ["Fetch group FAQ" gnus-summary-fetch-faq t]
2603 ["Describe group" gnus-summary-describe-group t]
2604 ["Fetch charter" gnus-group-fetch-charter
2605 ,@(if (featurep 'xemacs) nil
2606 '(:help "Display the charter of the current group"))]
2607 ["Fetch control message" gnus-group-fetch-control
2608 ,@(if (featurep 'xemacs) nil
2609 '(:help "Display the archived control message for the current group"))]
2610 ["Read manual" gnus-info-find-node t])
2612 ["Pick and read" gnus-pick-mode t]
2613 ["Binary" gnus-binary-mode t])
2615 ["Regenerate" gnus-summary-prepare t]
2616 ["Insert cached articles" gnus-summary-insert-cached-articles t]
2617 ["Insert dormant articles" gnus-summary-insert-dormant-articles t]
2618 ["Toggle threading" gnus-summary-toggle-threads t])
2619 ["See old articles" gnus-summary-insert-old-articles t]
2620 ["See new articles" gnus-summary-insert-new-articles t]
2621 ["Filter articles..." gnus-summary-execute-command t]
2622 ["Run command on articles..." gnus-summary-universal-argument t]
2623 ["Search articles forward..." gnus-summary-search-article-forward t]
2624 ["Search articles backward..." gnus-summary-search-article-backward t]
2625 ["Toggle line truncation" gnus-summary-toggle-truncation t]
2626 ["Expand window" gnus-summary-expand-window t]
2627 ["Expire expirable articles" gnus-summary-expire-articles
2628 (gnus-check-backend-function
2629 'request-expire-articles gnus-newsgroup-name)]
2630 ["Edit local kill file" gnus-summary-edit-local-kill t]
2631 ["Edit main kill file" gnus-summary-edit-global-kill t]
2632 ["Edit group parameters" gnus-summary-edit-parameters t]
2633 ["Customize group parameters" gnus-summary-customize-parameters t]
2634 ["Send a bug report" gnus-bug t]
2636 ["Catchup and exit" gnus-summary-catchup-and-exit
2637 ,@(if (featurep 'xemacs) '(t)
2638 '(:help "Mark unread articles in this group as read, then exit"))]
2639 ["Catchup all and exit" gnus-summary-catchup-all-and-exit t]
2640 ["Catchup and goto next" gnus-summary-catchup-and-goto-next-group t]
2641 ["Catchup and goto prev" gnus-summary-catchup-and-goto-prev-group t]
2642 ["Exit group" gnus-summary-exit
2643 ,@(if (featurep 'xemacs) '(t)
2644 '(:help "Exit current group, return to group selection mode"))]
2645 ["Exit group without updating" gnus-summary-exit-no-update t]
2646 ["Exit and goto next group" gnus-summary-next-group t]
2647 ["Exit and goto prev group" gnus-summary-prev-group t]
2648 ["Reselect group" gnus-summary-reselect-current-group t]
2649 ["Rescan group" gnus-summary-rescan-group t]
2650 ["Update dribble" gnus-summary-save-newsrc t])))
2652 (gnus-run-hooks 'gnus-summary-menu-hook)))
2654 (defvar gnus-summary-tool-bar-map nil)
2656 ;; Note: The :set function in the `gnus-summary-tool-bar*' variables will only
2657 ;; affect _new_ message buffers. We might add a function that walks thru all
2658 ;; summary-mode buffers and force the update.
2659 (defun gnus-summary-tool-bar-update (&optional symbol value)
2660 "Update summary mode toolbar.
2661 Setter function for custom variables."
2662 (setq-default gnus-summary-tool-bar-map nil)
2664 ;; When used as ":set" function:
2665 (set-default symbol value))
2666 (when (gnus-buffer-live-p gnus-summary-buffer)
2667 (with-current-buffer gnus-summary-buffer
2668 (gnus-summary-make-tool-bar))))
2670 (defcustom gnus-summary-tool-bar (if (eq gmm-tool-bar-style 'gnome)
2671 'gnus-summary-tool-bar-gnome
2672 'gnus-summary-tool-bar-retro)
2673 "Specifies the Gnus summary tool bar.
2675 It can be either a list or a symbol refering to a list. See
2676 `gmm-tool-bar-from-list' for the format of the list. The
2677 default key map is `gnus-summary-mode-map'.
2679 Pre-defined symbols include `gnus-summary-tool-bar-gnome' and
2680 `gnus-summary-tool-bar-retro'."
2681 :type '(choice (const :tag "GNOME style" gnus-summary-tool-bar-gnome)
2682 (const :tag "Retro look" gnus-summary-tool-bar-retro)
2683 (repeat :tag "User defined list" gmm-tool-bar-item)
2685 :version "23.0" ;; No Gnus
2686 :initialize 'custom-initialize-default
2687 :set 'gnus-summary-tool-bar-update
2688 :group 'gnus-summary)
2690 (defcustom gnus-summary-tool-bar-gnome
2691 '((gnus-summary-post-news "mail/compose" nil)
2692 (gnus-summary-insert-new-articles "mail/inbox" nil
2693 :visible (or (not gnus-agent)
2695 (gnus-summary-reply-with-original "mail/reply")
2696 (gnus-summary-reply "mail/reply" nil :visible nil)
2697 (gnus-summary-followup-with-original "mail/reply-all")
2698 (gnus-summary-followup "mail/reply-all" nil :visible nil)
2699 (gnus-summary-mail-forward "mail/forward")
2700 (gnus-summary-save-article "mail/save")
2701 (gnus-summary-search-article-forward "search" nil :visible nil)
2702 (gnus-summary-print-article "print")
2703 (gnus-summary-tick-article-forward "flag-followup" nil :visible nil)
2704 ;; Some new commands that may need more suitable icons:
2705 (gnus-summary-save-newsrc "save" nil :visible nil)
2706 ;; (gnus-summary-show-article "stock_message-display" nil :visible nil)
2707 (gnus-summary-prev-article "left-arrow")
2708 (gnus-summary-next-article "right-arrow")
2709 (gnus-summary-next-page "next-page")
2710 ;; (gnus-summary-enter-digest-group "right_arrow" nil :visible nil)
2712 ;; Maybe some sort-by-... could be added:
2713 ;; (gnus-summary-sort-by-author "sort-a-z" nil :visible nil)
2714 ;; (gnus-summary-sort-by-date "sort-1-9" nil :visible nil)
2715 (gnus-summary-mark-as-expirable
2717 :visible (gnus-check-backend-function 'request-expire-articles
2718 gnus-newsgroup-name))
2719 (gnus-summary-mark-as-spam
2721 :visible (and (fboundp 'spam-group-ham-contents-p)
2722 (spam-group-ham-contents-p gnus-newsgroup-name))
2723 :help "Mark as spam")
2724 (gnus-summary-mark-as-read-forward
2726 :visible (and (fboundp 'spam-group-spam-contents-p)
2727 (spam-group-spam-contents-p gnus-newsgroup-name)))
2729 (gnus-summary-exit "exit")
2730 (gmm-customize-mode "preferences" t :help "Edit mode preferences")
2731 (gnus-info-find-node "help"))
2732 "List of functions for the summary tool bar (GNOME style).
2734 See `gmm-tool-bar-from-list' for the format of the list."
2735 :type '(repeat gmm-tool-bar-item)
2736 :version "23.0" ;; No Gnus
2737 :initialize 'custom-initialize-default
2738 :set 'gnus-summary-tool-bar-update
2739 :group 'gnus-summary)
2741 (defcustom gnus-summary-tool-bar-retro
2742 '((gnus-summary-prev-unread-article "gnus/prev-ur")
2743 (gnus-summary-next-unread-article "gnus/next-ur")
2744 (gnus-summary-post-news "gnus/post")
2745 (gnus-summary-followup-with-original "gnus/fuwo")
2746 (gnus-summary-followup "gnus/followup")
2747 (gnus-summary-reply-with-original "gnus/reply-wo")
2748 (gnus-summary-reply "gnus/reply")
2749 (gnus-summary-caesar-message "gnus/rot13")
2750 (gnus-uu-decode-uu "gnus/uu-decode")
2751 (gnus-summary-save-article-file "gnus/save-aif")
2752 (gnus-summary-save-article "gnus/save-art")
2753 (gnus-uu-post-news "gnus/uu-post")
2754 (gnus-summary-catchup "gnus/catchup")
2755 (gnus-summary-catchup-and-exit "gnus/cu-exit")
2756 (gnus-summary-exit "gnus/exit-summ")
2757 ;; Some new command that may need more suitable icons:
2758 (gnus-summary-print-article "gnus/print" nil :visible nil)
2759 (gnus-summary-mark-as-expirable "gnus/close" nil :visible nil)
2760 (gnus-summary-save-newsrc "gnus/save" nil :visible nil)
2761 ;; (gnus-summary-enter-digest-group "gnus/right_arrow" nil :visible nil)
2762 (gnus-summary-search-article-forward "gnus/search" nil :visible nil)
2763 ;; (gnus-summary-insert-new-articles "gnus/paste" nil :visible nil)
2764 ;; (gnus-summary-toggle-threads "gnus/open" nil :visible nil)
2766 (gnus-info-find-node "gnus/help" nil :visible nil))
2767 "List of functions for the summary tool bar (retro look).
2769 See `gmm-tool-bar-from-list' for the format of the list."
2770 :type '(repeat gmm-tool-bar-item)
2771 :version "23.0" ;; No Gnus
2772 :initialize 'custom-initialize-default
2773 :set 'gnus-summary-tool-bar-update
2774 :group 'gnus-summary)
2776 (defcustom gnus-summary-tool-bar-zap-list t
2777 "List of icon items from the global tool bar.
2778 These items are not displayed in the Gnus summary mode tool bar.
2780 See `gmm-tool-bar-from-list' for the format of the list."
2781 :type 'gmm-tool-bar-zap-list
2782 :version "23.0" ;; No Gnus
2783 :initialize 'custom-initialize-default
2784 :set 'gnus-summary-tool-bar-update
2785 :group 'gnus-summary)
2787 (defvar image-load-path)
2789 (defun gnus-summary-make-tool-bar (&optional force)
2790 "Make a summary mode tool bar from `gnus-summary-tool-bar'.
2791 When FORCE, rebuild the tool bar."
2792 (when (and (not (featurep 'xemacs))
2793 (boundp 'tool-bar-mode)
2795 (or (not gnus-summary-tool-bar-map) force))
2797 (gmm-image-load-path-for-library "gnus"
2800 (image-load-path (cons (car load-path)
2801 (when (boundp 'image-load-path)
2803 (map (gmm-tool-bar-from-list gnus-summary-tool-bar
2804 gnus-summary-tool-bar-zap-list
2805 'gnus-summary-mode-map)))
2807 ;; Need to set `gnus-summary-tool-bar-map' because `gnus-article-mode'
2809 (setq gnus-summary-tool-bar-map map))))
2810 (set (make-local-variable 'tool-bar-map) gnus-summary-tool-bar-map))
2812 (defun gnus-score-set-default (var value)
2813 "A version of set that updates the GNU Emacs menu-bar."
2815 ;; It is the message that forces the active status to be updated.
2818 (defun gnus-make-score-map (type)
2819 "Make a summary score map of type TYPE."
2822 (let ((headers '(("author" "from" string)
2823 ("subject" "subject" string)
2824 ("article body" "body" string)
2825 ("article head" "head" string)
2826 ("xref" "xref" string)
2827 ("extra header" "extra" string)
2828 ("lines" "lines" number)
2829 ("followups to author" "followup" string)))
2830 (types '((number ("less than" <)
2833 (string ("substring" s)
2837 (perms '(("temporary" (current-time-string))
2845 (if (eq type 'lower)
2850 (setq header (car headers))
2856 (let ((ts (cdr (assoc (nth 2 header) types)))
2872 'gnus-summary-score-entry
2874 (if (or (string= (nth 1 header)
2876 (string= (nth 1 header)
2879 (list 'gnus-summary-header
2881 (list 'quote (nth 1 (car ts)))
2882 (list 'gnus-score-delta-default
2889 (list (nreverse outp))))
2892 (list (nreverse outt))))
2894 (setq headers (cdr headers)))
2895 (list (nreverse outh))))))))
2899 (defun gnus-summary-mode (&optional group)
2900 "Major mode for reading articles.
2902 All normal editing commands are switched off.
2903 \\<gnus-summary-mode-map>
2904 Each line in this buffer represents one article. To read an
2905 article, you can, for instance, type `\\[gnus-summary-next-page]'. To move forwards
2906 and backwards while displaying articles, type `\\[gnus-summary-next-unread-article]' and `\\[gnus-summary-prev-unread-article]',
2909 You can also post articles and send mail from this buffer. To
2910 follow up an article, type `\\[gnus-summary-followup]'. To mail a reply to the author
2911 of an article, type `\\[gnus-summary-reply]'.
2913 There are approx. one gazillion commands you can execute in this
2914 buffer; read the info pages for more information (`\\[gnus-info-find-node]').
2916 The following commands are available:
2918 \\{gnus-summary-mode-map}"
2920 (kill-all-local-variables)
2921 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
2922 (gnus-summary-make-local-variables))
2923 (gnus-summary-make-local-variables)
2924 (setq gnus-newsgroup-name group)
2925 (when (gnus-visual-p 'summary-menu 'menu)
2926 (gnus-summary-make-menu-bar)
2927 (gnus-summary-make-tool-bar))
2928 (gnus-make-thread-indent-array)
2929 (gnus-simplify-mode-line)
2930 (setq major-mode 'gnus-summary-mode)
2931 (setq mode-name "Summary")
2932 (make-local-variable 'minor-mode-alist)
2933 (use-local-map gnus-summary-mode-map)
2934 (buffer-disable-undo)
2935 (setq buffer-read-only t ;Disable modification
2936 show-trailing-whitespace nil)
2937 (setq truncate-lines t)
2938 (setq selective-display t)
2939 (setq selective-display-ellipses t) ;Display `...'
2940 (gnus-summary-set-display-table)
2941 (gnus-set-default-directory)
2942 (make-local-variable 'gnus-summary-line-format)
2943 (make-local-variable 'gnus-summary-line-format-spec)
2944 (make-local-variable 'gnus-summary-dummy-line-format)
2945 (make-local-variable 'gnus-summary-dummy-line-format-spec)
2946 (make-local-variable 'gnus-summary-mark-positions)
2947 (gnus-make-local-hook 'pre-command-hook)
2948 (add-hook 'pre-command-hook 'gnus-set-global-variables nil t)
2949 (gnus-run-mode-hooks 'gnus-summary-mode-hook)
2950 (turn-on-gnus-mailing-list-mode)
2951 (mm-enable-multibyte)
2952 (gnus-update-format-specifications nil 'summary 'summary-mode 'summary-dummy)
2953 (gnus-update-summary-mark-positions))
2955 (defun gnus-summary-make-local-variables ()
2956 "Make all the local summary buffer variables."
2958 (dolist (local gnus-summary-local-variables)
2961 (if (eq (cdr local) 'global)
2962 ;; Copy the global value of the variable.
2963 (setq global (symbol-value (car local)))
2964 ;; Use the value from the list.
2965 (setq global (eval (cdr local))))
2966 (set (make-local-variable (car local)) global))
2967 ;; Simple nil-valued local variable.
2968 (set (make-local-variable local) nil)))))
2970 (defun gnus-summary-clear-local-variables ()
2971 (let ((locals gnus-summary-local-variables))
2973 (if (consp (car locals))
2974 (and (symbolp (caar locals))
2975 (set (caar locals) nil))
2976 (and (symbolp (car locals))
2977 (set (car locals) nil)))
2978 (setq locals (cdr locals)))))
2980 ;; Summary data functions.
2982 (defmacro gnus-data-number (data)
2985 (defmacro gnus-data-set-number (data number)
2986 `(setcar ,data ,number))
2988 (defmacro gnus-data-mark (data)
2991 (defmacro gnus-data-set-mark (data mark)
2992 `(setcar (nthcdr 1 ,data) ,mark))
2994 (defmacro gnus-data-pos (data)
2997 (defmacro gnus-data-set-pos (data pos)
2998 `(setcar (nthcdr 2 ,data) ,pos))
3000 (defmacro gnus-data-header (data)
3003 (defmacro gnus-data-set-header (data header)
3004 `(setf (nth 3 ,data) ,header))
3006 (defmacro gnus-data-level (data)
3009 (defmacro gnus-data-unread-p (data)
3010 `(= (nth 1 ,data) gnus-unread-mark))
3012 (defmacro gnus-data-read-p (data)
3013 `(/= (nth 1 ,data) gnus-unread-mark))
3015 (defmacro gnus-data-pseudo-p (data)
3016 `(consp (nth 3 ,data)))
3018 (defmacro gnus-data-find (number)
3019 `(assq ,number gnus-newsgroup-data))
3021 (defmacro gnus-data-find-list (number &optional data)
3022 `(let ((bdata ,(or data 'gnus-newsgroup-data)))
3023 (memq (assq ,number bdata)
3026 (defmacro gnus-data-make (number mark pos header level)
3027 `(list ,number ,mark ,pos ,header ,level))
3029 (defun gnus-data-enter (after-article number mark pos header level offset)
3030 (let ((data (gnus-data-find-list after-article)))
3032 (error "No such article: %d" after-article))
3033 (setcdr data (cons (gnus-data-make number mark pos header level)
3035 (setq gnus-newsgroup-data-reverse nil)
3036 (gnus-data-update-list (cddr data) offset)))
3038 (defun gnus-data-enter-list (after-article list &optional offset)
3040 (let ((data (and after-article (gnus-data-find-list after-article)))
3044 (let ((odata gnus-newsgroup-data))
3045 (setq gnus-newsgroup-data (nconc list gnus-newsgroup-data))
3047 (gnus-data-update-list odata offset)))
3048 ;; Find the last element in the list to be spliced into the main
3050 (setq list (last list))
3053 (setcdr list gnus-newsgroup-data)
3054 (setq gnus-newsgroup-data ilist)
3056 (gnus-data-update-list (cdr list) offset)))
3057 (setcdr list (cdr data))
3060 (gnus-data-update-list (cdr list) offset))))
3061 (setq gnus-newsgroup-data-reverse nil))))
3063 (defun gnus-data-remove (article &optional offset)
3064 (let ((data gnus-newsgroup-data))
3065 (if (= (gnus-data-number (car data)) article)
3067 (setq gnus-newsgroup-data (cdr gnus-newsgroup-data)
3068 gnus-newsgroup-data-reverse nil)
3070 (gnus-data-update-list gnus-newsgroup-data offset)))
3072 (when (= (gnus-data-number (cadr data)) article)
3073 (setcdr data (cddr data))
3075 (gnus-data-update-list (cdr data) offset))
3077 gnus-newsgroup-data-reverse nil))
3078 (setq data (cdr data))))))
3080 (defmacro gnus-data-list (backward)
3082 (or gnus-newsgroup-data-reverse
3083 (setq gnus-newsgroup-data-reverse
3084 (reverse gnus-newsgroup-data)))
3085 gnus-newsgroup-data))
3087 (defun gnus-data-update-list (data offset)
3088 "Add OFFSET to the POS of all data entries in DATA."
3089 (setq gnus-newsgroup-data-reverse nil)
3091 (setcar (nthcdr 2 (car data)) (+ offset (nth 2 (car data))))
3092 (setq data (cdr data))))
3094 (defun gnus-summary-article-pseudo-p (article)
3095 "Say whether this article is a pseudo article or not."
3096 (not (vectorp (gnus-data-header (gnus-data-find article)))))
3098 (defmacro gnus-summary-article-sparse-p (article)
3099 "Say whether this article is a sparse article or not."
3100 `(memq ,article gnus-newsgroup-sparse))
3102 (defmacro gnus-summary-article-ancient-p (article)
3103 "Say whether this article is a sparse article or not."
3104 `(memq ,article gnus-newsgroup-ancient))
3106 (defun gnus-article-parent-p (number)
3107 "Say whether this article is a parent or not."
3108 (let ((data (gnus-data-find-list number)))
3109 (and (cdr data) ; There has to be an article after...
3110 (< (gnus-data-level (car data)) ; And it has to have a higher level.
3111 (gnus-data-level (nth 1 data))))))
3113 (defun gnus-article-children (number)
3114 "Return a list of all children to NUMBER."
3115 (let* ((data (gnus-data-find-list number))
3116 (level (gnus-data-level (car data)))
3118 (setq data (cdr data))
3120 (= (gnus-data-level (car data)) (1+ level)))
3121 (push (gnus-data-number (car data)) children)
3122 (setq data (cdr data)))
3125 (defmacro gnus-summary-skip-intangible ()
3126 "If the current article is intangible, then jump to a different article."
3127 '(let ((to (get-text-property (point) 'gnus-intangible)))
3128 (and to (gnus-summary-goto-subject to))))
3130 (defmacro gnus-summary-article-intangible-p ()
3131 "Say whether this article is intangible or not."
3132 '(get-text-property (point) 'gnus-intangible))
3134 (defun gnus-article-read-p (article)
3135 "Say whether ARTICLE is read or not."
3136 (not (or (memq article gnus-newsgroup-marked)
3137 (memq article gnus-newsgroup-spam-marked)
3138 (memq article gnus-newsgroup-unreads)
3139 (memq article gnus-newsgroup-unselected)
3140 (memq article gnus-newsgroup-dormant))))
3142 ;; Some summary mode macros.
3144 (defmacro gnus-summary-article-number ()
3145 "The article number of the article on the current line.
3146 If there isn't an article number here, then we return the current
3149 (gnus-summary-skip-intangible)
3150 (or (get-text-property (point) 'gnus-number)
3151 (gnus-summary-last-subject))))
3153 (defmacro gnus-summary-article-header (&optional number)
3154 "Return the header of article NUMBER."
3155 `(gnus-data-header (gnus-data-find
3156 ,(or number '(gnus-summary-article-number)))))
3158 (defmacro gnus-summary-thread-level (&optional number)
3159 "Return the level of thread that starts with article NUMBER."
3160 `(if (and (eq gnus-summary-make-false-root 'dummy)
3161 (get-text-property (point) 'gnus-intangible))
3163 (gnus-data-level (gnus-data-find
3164 ,(or number '(gnus-summary-article-number))))))
3166 (defmacro gnus-summary-article-mark (&optional number)
3167 "Return the mark of article NUMBER."
3168 `(gnus-data-mark (gnus-data-find
3169 ,(or number '(gnus-summary-article-number)))))
3171 (defmacro gnus-summary-article-pos (&optional number)
3172 "Return the position of the line of article NUMBER."
3173 `(gnus-data-pos (gnus-data-find
3174 ,(or number '(gnus-summary-article-number)))))
3176 (defalias 'gnus-summary-subject-string 'gnus-summary-article-subject)
3177 (defmacro gnus-summary-article-subject (&optional number)
3178 "Return current subject string or nil if nothing."
3181 `(gnus-data-header (assq ,number gnus-newsgroup-data))
3182 '(gnus-data-header (assq (gnus-summary-article-number)
3183 gnus-newsgroup-data)))))
3186 (mail-header-subject headers))))
3188 (defmacro gnus-summary-article-score (&optional number)
3189 "Return current article score."
3190 `(or (cdr (assq ,(or number '(gnus-summary-article-number))
3191 gnus-newsgroup-scored))
3192 gnus-summary-default-score 0))
3194 (defun gnus-summary-article-children (&optional number)
3195 "Return a list of article numbers that are children of article NUMBER."
3196 (let* ((data (gnus-data-find-list (or number (gnus-summary-article-number))))
3197 (level (gnus-data-level (car data)))
3199 (while (and (setq data (cdr data))
3200 (> (setq l (gnus-data-level (car data))) level))
3201 (and (= (1+ level) l)
3202 (push (gnus-data-number (car data))
3204 (nreverse children)))
3206 (defun gnus-summary-article-parent (&optional number)
3207 "Return the article number of the parent of article NUMBER."
3208 (let* ((data (gnus-data-find-list (or number (gnus-summary-article-number))
3209 (gnus-data-list t)))
3210 (level (gnus-data-level (car data))))
3212 () ; This is a root.
3213 ;; We search until we find an article with a level less than
3214 ;; this one. That function has to be the parent.
3215 (while (and (setq data (cdr data))
3216 (not (< (gnus-data-level (car data)) level))))
3217 (and data (gnus-data-number (car data))))))
3219 (defun gnus-unread-mark-p (mark)
3220 "Say whether MARK is the unread mark."
3221 (= mark gnus-unread-mark))
3223 (defun gnus-read-mark-p (mark)
3224 "Say whether MARK is one of the marks that mark as read.
3225 This is all marks except unread, ticked, dormant, and expirable."
3226 (not (or (= mark gnus-unread-mark)
3227 (= mark gnus-ticked-mark)
3228 (= mark gnus-spam-mark)
3229 (= mark gnus-dormant-mark)
3230 (= mark gnus-expirable-mark))))
3232 (defmacro gnus-article-mark (number)
3233 "Return the MARK of article NUMBER.
3234 This macro should only be used when computing the mark the \"first\"
3235 time; i.e., when generating the summary lines. After that,
3236 `gnus-summary-article-mark' should be used to examine the
3239 ((memq ,number gnus-newsgroup-unsendable) gnus-unsendable-mark)
3240 ((memq ,number gnus-newsgroup-downloadable) gnus-downloadable-mark)
3241 ((memq ,number gnus-newsgroup-unreads) gnus-unread-mark)
3242 ((memq ,number gnus-newsgroup-marked) gnus-ticked-mark)
3243 ((memq ,number gnus-newsgroup-spam-marked) gnus-spam-mark)
3244 ((memq ,number gnus-newsgroup-dormant) gnus-dormant-mark)
3245 ((memq ,number gnus-newsgroup-expirable) gnus-expirable-mark)
3246 (t (or (cdr (assq ,number gnus-newsgroup-reads))
3247 gnus-ancient-mark))))
3249 ;; Saving hidden threads.
3251 (defmacro gnus-save-hidden-threads (&rest forms)
3252 "Save hidden threads, eval FORMS, and restore the hidden threads."
3253 (let ((config (make-symbol "config")))
3254 `(let ((,config (gnus-hidden-threads-configuration)))
3258 (gnus-restore-hidden-threads-configuration ,config)))))
3259 (put 'gnus-save-hidden-threads 'lisp-indent-function 0)
3260 (put 'gnus-save-hidden-threads 'edebug-form-spec '(body))
3262 (defun gnus-data-compute-positions ()
3263 "Compute the positions of all articles."
3264 (setq gnus-newsgroup-data-reverse nil)
3265 (let ((data gnus-newsgroup-data))
3267 (gnus-save-hidden-threads
3268 (gnus-summary-show-all-threads)
3269 (goto-char (point-min))
3271 (while (get-text-property (point) 'gnus-intangible)
3273 (gnus-data-set-pos (car data) (+ (point) 3))
3274 (setq data (cdr data))
3275 (forward-line 1))))))
3277 (defun gnus-hidden-threads-configuration ()
3278 "Return the current hidden threads configuration."
3281 (goto-char (point-min))
3282 (while (search-forward "\r" nil t)
3283 (push (1- (point)) config))
3286 (defun gnus-restore-hidden-threads-configuration (config)
3287 "Restore hidden threads configuration from CONFIG."
3289 (let (point buffer-read-only)
3290 (while (setq point (pop config))
3291 (when (and (< point (point-max))
3293 (eq (char-after) ?\n))
3294 (subst-char-in-region point (1+ point) ?\n ?\r))))))
3296 ;; Various summary mode internalish functions.
3298 (defun gnus-mouse-pick-article (e)
3301 (gnus-summary-next-page nil t))
3303 (defun gnus-summary-set-display-table ()
3304 "Change the display table.
3305 Odd characters have a tendency to mess
3306 up nicely formatted displays - we make all possible glyphs
3307 display only a single character."
3309 ;; We start from the standard display table, if any.
3310 (let ((table (or (copy-sequence standard-display-table)
3311 (make-display-table)))
3313 ;; Nix out all the control chars...
3314 (while (>= (setq i (1- i)) 0)
3315 (aset table i [??]))
3316 ;; ... but not newline and cr, of course. (cr is necessary for the
3317 ;; selective display).
3318 (aset table ?\n nil)
3319 (aset table ?\r nil)
3320 ;; We keep TAB as well.
3321 (aset table ?\t nil)
3322 ;; We nix out any glyphs 127 through 255, or 127 through 159 in
3323 ;; Emacs 23 (unicode), that are not set already.
3324 (let ((i (if (ignore-errors (= (make-char 'latin-iso8859-1 160) 160))
3327 (while (>= (setq i (1- i)) 127)
3328 ;; Only modify if the entry is nil.
3329 (unless (aref table i)
3330 (aset table i [??]))))
3331 (setq buffer-display-table table)))
3333 (defun gnus-summary-set-article-display-arrow (pos)
3334 "Update the overlay arrow to point to line at position POS."
3335 (when (and gnus-summary-display-arrow
3336 (boundp 'overlay-arrow-position)
3337 (boundp 'overlay-arrow-string))
3341 (unless overlay-arrow-position
3342 (setq overlay-arrow-position (make-marker)))
3343 (setq overlay-arrow-string "=>"
3344 overlay-arrow-position (set-marker overlay-arrow-position
3346 (current-buffer))))))
3348 (defun gnus-summary-setup-buffer (group)
3349 "Initialize summary buffer."
3350 (let ((buffer (gnus-summary-buffer-name group))
3351 (dead-name (concat "*Dead Summary "
3352 (gnus-group-decoded-name group) "*")))
3353 ;; If a dead summary buffer exists, we kill it.
3354 (when (gnus-buffer-live-p dead-name)
3355 (gnus-kill-buffer dead-name))
3356 (if (get-buffer buffer)
3359 (setq gnus-summary-buffer (current-buffer))
3360 (not gnus-newsgroup-prepared))
3361 ;; Fix by Sudish Joseph <joseph@cis.ohio-state.edu>
3362 (setq gnus-summary-buffer (set-buffer (gnus-get-buffer-create buffer)))
3363 (gnus-summary-mode group)
3365 (gnus-carpal-setup-buffer 'summary))
3366 (when (gnus-group-quit-config group)
3367 (set (make-local-variable 'gnus-single-article-buffer) nil))
3368 (make-local-variable 'gnus-article-buffer)
3369 (make-local-variable 'gnus-article-current)
3370 (make-local-variable 'gnus-original-article-buffer)
3371 (setq gnus-newsgroup-name group)
3372 ;; Set any local variables in the group parameters.
3373 (gnus-summary-set-local-parameters gnus-newsgroup-name)
3376 (defun gnus-set-global-variables ()
3377 "Set the global equivalents of the buffer-local variables.
3378 They are set to the latest values they had. These reflect the summary
3379 buffer that was in action when the last article was fetched."
3380 (when (eq major-mode 'gnus-summary-mode)
3381 (setq gnus-summary-buffer (current-buffer))
3382 (let ((name gnus-newsgroup-name)
3383 (marked gnus-newsgroup-marked)
3384 (spam gnus-newsgroup-spam-marked)
3385 (unread gnus-newsgroup-unreads)
3386 (headers gnus-current-headers)
3387 (data gnus-newsgroup-data)
3388 (summary gnus-summary-buffer)
3389 (article-buffer gnus-article-buffer)
3390 (original gnus-original-article-buffer)
3391 (gac gnus-article-current)
3392 (reffed gnus-reffed-article-number)
3393 (score-file gnus-current-score-file)
3394 (default-charset gnus-newsgroup-charset)
3396 (let ((locals gnus-newsgroup-variables))
3398 (if (consp (car locals))
3399 (push (eval (caar locals)) vlist)
3400 (push (eval (car locals)) vlist))
3401 (setq locals (cdr locals)))
3402 (setq vlist (nreverse vlist)))
3403 (with-current-buffer gnus-group-buffer
3404 (setq gnus-newsgroup-name name
3405 gnus-newsgroup-marked marked
3406 gnus-newsgroup-spam-marked spam
3407 gnus-newsgroup-unreads unread
3408 gnus-current-headers headers
3409 gnus-newsgroup-data data
3410 gnus-article-current gac
3411 gnus-summary-buffer summary
3412 gnus-article-buffer article-buffer
3413 gnus-original-article-buffer original
3414 gnus-reffed-article-number reffed
3415 gnus-current-score-file score-file
3416 gnus-newsgroup-charset default-charset)
3417 (let ((locals gnus-newsgroup-variables))
3419 (if (consp (car locals))
3420 (set (caar locals) (pop vlist))
3421 (set (car locals) (pop vlist)))
3422 (setq locals (cdr locals))))
3423 ;; The article buffer also has local variables.
3424 (when (gnus-buffer-live-p gnus-article-buffer)
3425 (set-buffer gnus-article-buffer)
3426 (setq gnus-summary-buffer summary))))))
3428 (defun gnus-summary-article-unread-p (article)
3429 "Say whether ARTICLE is unread or not."
3430 (memq article gnus-newsgroup-unreads))
3432 (defun gnus-summary-first-article-p (&optional article)
3433 "Return whether ARTICLE is the first article in the buffer."
3434 (if (not (setq article (or article (gnus-summary-article-number))))
3436 (eq article (caar gnus-newsgroup-data))))
3438 (defun gnus-summary-last-article-p (&optional article)
3439 "Return whether ARTICLE is the last article in the buffer."
3440 (if (not (setq article (or article (gnus-summary-article-number))))
3441 ;; All non-existent numbers are the last article. :-)
3443 (not (cdr (gnus-data-find-list article)))))
3445 (defun gnus-make-thread-indent-array ()
3447 (unless (and gnus-thread-indent-array
3448 (= gnus-thread-indent-level gnus-thread-indent-array-level))
3449 (setq gnus-thread-indent-array (make-vector 201 "")
3450 gnus-thread-indent-array-level gnus-thread-indent-level)
3452 (aset gnus-thread-indent-array n
3453 (make-string (* n gnus-thread-indent-level) ? ))
3456 (defun gnus-update-summary-mark-positions ()
3457 "Compute where the summary marks are to go."
3459 (when (gnus-buffer-exists-p gnus-summary-buffer)
3460 (set-buffer gnus-summary-buffer))
3461 (let ((spec gnus-summary-line-format-spec)
3464 (gnus-set-work-buffer)
3465 (let ((gnus-tmp-unread ?Z)
3466 (gnus-replied-mark ?Z)
3467 (gnus-score-below-mark ?Z)
3468 (gnus-score-over-mark ?Z)
3469 (gnus-undownloaded-mark ?Z)
3470 (gnus-summary-line-format-spec spec)
3471 (gnus-newsgroup-downloadable '(0))
3472 (header [0 "" "" "05 Apr 2001 23:33:09 +0400" "" "" 0 0 "" nil])
3473 case-fold-search ignores)
3474 ;; Here, all marks are bound to Z.
3475 (gnus-summary-insert-line header
3476 0 nil t gnus-tmp-unread t nil "" nil 1)
3477 (goto-char (point-min))
3478 ;; Memorize the positions of the same characters as dummy marks.
3479 (while (re-search-forward "[A-D]" nil t)
3480 (push (point) ignores))
3482 ;; We use A-D as dummy marks in order to know column positions
3483 ;; where marks should be inserted.
3484 (setq gnus-tmp-unread ?A
3485 gnus-replied-mark ?B
3486 gnus-score-below-mark ?C
3487 gnus-score-over-mark ?C
3488 gnus-undownloaded-mark ?D)
3489 (gnus-summary-insert-line header
3490 0 nil t gnus-tmp-unread t nil "" nil 1)
3491 ;; Ignore characters which aren't dummy marks.
3493 (delete-region (goto-char (1- p)) p)
3495 (goto-char (point-min))
3496 (setq pos (list (cons 'unread
3497 (and (search-forward "A" nil t)
3498 (- (point) (point-min) 1)))))
3499 (goto-char (point-min))
3500 (push (cons 'replied (and (search-forward "B" nil t)
3501 (- (point) (point-min) 1)))
3503 (goto-char (point-min))
3504 (push (cons 'score (and (search-forward "C" nil t)
3505 (- (point) (point-min) 1)))
3507 (goto-char (point-min))
3508 (push (cons 'download (and (search-forward "D" nil t)
3509 (- (point) (point-min) 1)))
3511 (setq gnus-summary-mark-positions pos))))
3513 (defun gnus-summary-insert-dummy-line (gnus-tmp-subject gnus-tmp-number)
3514 "Insert a dummy root in the summary buffer."
3516 (gnus-add-text-properties
3517 (point) (progn (eval gnus-summary-dummy-line-format-spec) (point))
3518 (list 'gnus-number gnus-tmp-number 'gnus-intangible gnus-tmp-number)))
3520 (defun gnus-summary-extract-address-component (from)
3521 (or (car (funcall gnus-extract-address-components from))
3524 (defun gnus-summary-from-or-to-or-newsgroups (header gnus-tmp-from)
3525 (let ((mail-parse-charset gnus-newsgroup-charset)
3526 ; Is it really necessary to do this next part for each summary line?
3527 ; Luckily, doesn't seem to slow things down much.
3528 (mail-parse-ignored-charsets
3529 (with-current-buffer gnus-summary-buffer
3530 gnus-newsgroup-ignored-charsets)))
3532 (and gnus-ignored-from-addresses
3533 (string-match gnus-ignored-from-addresses gnus-tmp-from)
3534 (let ((extra-headers (mail-header-extra header))
3538 ((setq to (cdr (assq 'To extra-headers)))
3539 (concat gnus-summary-to-prefix
3541 (gnus-summary-extract-address-component
3542 (funcall gnus-decode-encoded-address-function to)))))
3545 (cdr (assq 'Newsgroups extra-headers))
3547 (memq 'Newsgroups gnus-extra-headers)
3548 (eq (car (gnus-find-method-for-group
3549 gnus-newsgroup-name)) 'nntp)
3550 (gnus-group-real-name gnus-newsgroup-name))))
3551 (concat gnus-summary-newsgroup-prefix newsgroups)))))
3552 (inline (gnus-summary-extract-address-component gnus-tmp-from)))))
3554 (defun gnus-summary-insert-line (gnus-tmp-header
3555 gnus-tmp-level gnus-tmp-current
3556 undownloaded gnus-tmp-unread gnus-tmp-replied
3557 gnus-tmp-expirable gnus-tmp-subject-or-nil
3558 &optional gnus-tmp-dummy gnus-tmp-score
3560 (let* ((gnus-tmp-indentation (aref gnus-thread-indent-array gnus-tmp-level))
3561 (gnus-tmp-lines (mail-header-lines gnus-tmp-header))
3562 (gnus-tmp-score (or gnus-tmp-score gnus-summary-default-score 0))
3563 (gnus-tmp-score-char
3564 (if (or (null gnus-summary-default-score)
3565 (<= (abs (- gnus-tmp-score gnus-summary-default-score))
3566 gnus-summary-zcore-fuzz))
3568 (if (< gnus-tmp-score gnus-summary-default-score)
3569 gnus-score-below-mark gnus-score-over-mark)))
3570 (gnus-tmp-number (mail-header-number gnus-tmp-header))
3572 (cond (gnus-tmp-process gnus-process-mark)
3573 ((memq gnus-tmp-current gnus-newsgroup-cached)
3575 (gnus-tmp-replied gnus-replied-mark)
3576 ((memq gnus-tmp-current gnus-newsgroup-forwarded)
3577 gnus-forwarded-mark)
3578 ((memq gnus-tmp-current gnus-newsgroup-saved)
3580 ((memq gnus-tmp-number gnus-newsgroup-recent)
3582 ((memq gnus-tmp-number gnus-newsgroup-unseen)
3585 (gnus-tmp-downloaded
3587 gnus-undownloaded-mark)
3588 (gnus-newsgroup-agentized
3589 gnus-downloaded-mark)
3592 (gnus-tmp-from (mail-header-from gnus-tmp-header))
3595 ((string-match "<[^>]+> *$" gnus-tmp-from)
3596 (let ((beg (match-beginning 0)))
3597 (or (and (string-match "^\".+\"" gnus-tmp-from)
3598 (substring gnus-tmp-from 1 (1- (match-end 0))))
3599 (substring gnus-tmp-from 0 beg))))
3600 ((string-match "(.+)" gnus-tmp-from)
3601 (substring gnus-tmp-from
3602 (1+ (match-beginning 0)) (1- (match-end 0))))
3604 (gnus-tmp-subject (mail-header-subject gnus-tmp-header))
3605 (gnus-tmp-opening-bracket (if gnus-tmp-dummy ?\< ?\[))
3606 (gnus-tmp-closing-bracket (if gnus-tmp-dummy ?\> ?\]))
3607 (buffer-read-only nil))
3608 (when (string= gnus-tmp-name "")
3609 (setq gnus-tmp-name gnus-tmp-from))
3610 (unless (numberp gnus-tmp-lines)
3611 (setq gnus-tmp-lines -1))
3612 (if (= gnus-tmp-lines -1)
3613 (setq gnus-tmp-lines "?")
3614 (setq gnus-tmp-lines (number-to-string gnus-tmp-lines)))
3615 (gnus-put-text-property
3617 (progn (eval gnus-summary-line-format-spec) (point))
3618 'gnus-number gnus-tmp-number)
3619 (when (gnus-visual-p 'summary-highlight 'highlight)
3621 (gnus-run-hooks 'gnus-summary-update-hook)
3624 (defun gnus-summary-update-line (&optional dont-update)
3625 "Update summary line after change."
3626 (when (and gnus-summary-default-score
3627 (not gnus-summary-inhibit-highlight))
3628 (let* ((gnus-summary-inhibit-highlight t) ; Prevent recursion.
3629 (article (gnus-summary-article-number))
3630 (score (gnus-summary-article-score article)))
3632 (if (and gnus-summary-mark-below
3633 (< (gnus-summary-article-score)
3634 gnus-summary-mark-below))
3635 ;; This article has a low score, so we mark it as read.
3636 (when (memq article gnus-newsgroup-unreads)
3637 (gnus-summary-mark-article-as-read gnus-low-score-mark))
3638 (when (eq (gnus-summary-article-mark) gnus-low-score-mark)
3639 ;; This article was previously marked as read on account
3640 ;; of a low score, but now it has risen, so we mark it as
3642 (gnus-summary-mark-article-as-unread gnus-unread-mark)))
3643 (gnus-summary-update-mark
3644 (if (or (null gnus-summary-default-score)
3645 (<= (abs (- score gnus-summary-default-score))
3646 gnus-summary-zcore-fuzz))
3648 (if (< score gnus-summary-default-score)
3649 gnus-score-below-mark gnus-score-over-mark))
3651 ;; Do visual highlighting.
3652 (when (gnus-visual-p 'summary-highlight 'highlight)
3653 (gnus-run-hooks 'gnus-summary-update-hook)))))
3655 (defvar gnus-tmp-new-adopts nil)
3657 (defun gnus-summary-number-of-articles-in-thread (thread &optional level char)
3658 "Return the number of articles in THREAD.
3659 This may be 0 in some cases -- if none of the articles in
3660 the thread are to be displayed."
3662 ;; Fix by Luc Van Eycken <Luc.VanEycken@esat.kuleuven.ac.be>.
3664 ((not (listp thread))
3666 ((and (consp thread) (cdr thread))
3669 'gnus-summary-number-of-articles-in-thread (cdr thread))))
3672 ((memq (mail-header-number (car thread)) gnus-newsgroup-limit)
3675 (when (and level (zerop level) gnus-tmp-new-adopts)
3678 'gnus-summary-number-of-articles-in-thread
3679 gnus-tmp-new-adopts))))
3681 (if (> number 1) gnus-not-empty-thread-mark
3682 gnus-empty-thread-mark)
3685 (defsubst gnus-summary-line-message-size (head)
3686 "Return pretty-printed version of message size.
3687 This function is intended to be used in
3688 `gnus-summary-line-format-alist'."
3689 (let ((c (or (mail-header-chars head) -1)))
3690 (cond ((< c 0) "n/a") ; chars not available
3691 ((< c (* 1000 10)) (format "%1.1fk" (/ c 1024.0)))
3692 ((< c (* 1000 100)) (format "%dk" (/ c 1024.0)))
3693 ((< c (* 1000 10000)) (format "%1.1fM" (/ c (* 1024.0 1024))))
3694 (t (format "%dM" (/ c (* 1024.0 1024)))))))
3697 (defun gnus-summary-set-local-parameters (group)
3698 "Go through the local params of GROUP and set all variable specs in that list."
3699 (let ((vars '(quit-config))) ; Ignore quit-config.
3700 (dolist (elem (gnus-group-find-parameter group))
3701 (and (consp elem) ; Has to be a cons.
3702 (consp (cdr elem)) ; The cdr has to be a list.
3703 (symbolp (car elem)) ; Has to be a symbol in there.
3704 (not (memq (car elem) vars))
3705 (ignore-errors ; So we set it.
3706 (push (car elem) vars)
3707 (make-local-variable (car elem))
3708 (set (car elem) (eval (nth 1 elem))))))))
3710 (defun gnus-summary-read-group (group &optional show-all no-article
3711 kill-buffer no-display backward
3713 "Start reading news in newsgroup GROUP.
3714 If SHOW-ALL is non-nil, already read articles are also listed.
3715 If NO-ARTICLE is non-nil, no article is selected initially.
3716 If NO-DISPLAY, don't generate a summary buffer."
3720 (let ((gnus-auto-select-next nil))
3721 (or (gnus-summary-read-group-1
3722 group show-all no-article
3723 kill-buffer no-display
3726 select-articles nil)))))
3727 (eq gnus-auto-select-next 'quietly))
3728 (set-buffer gnus-group-buffer)
3729 ;; The entry function called above goes to the next
3730 ;; group automatically, so we go two groups back
3731 ;; if we are searching for the previous group.
3733 (gnus-group-prev-unread-group 2))
3734 (if (not (equal group (gnus-group-group-name)))
3735 (setq group (gnus-group-group-name))
3739 (defun gnus-summary-read-group-1 (group show-all no-article
3740 kill-buffer no-display
3741 &optional select-articles)
3742 ;; Killed foreign groups can't be entered.
3743 ;; (when (and (not (gnus-group-native-p group))
3744 ;; (not (gnus-gethash group gnus-newsrc-hashtb)))
3745 ;; (error "Dead non-native groups can't be entered"))
3746 (gnus-message 5 "Retrieving newsgroup: %s..."
3747 (gnus-group-decoded-name group))
3748 (let* ((new-group (gnus-summary-setup-buffer group))
3749 (quit-config (gnus-group-quit-config group))
3750 (did-select (and new-group (gnus-select-newsgroup
3751 group show-all select-articles))))
3753 ;; This summary buffer exists already, so we just select it.
3755 (gnus-set-global-variables)
3757 (gnus-kill-or-deaden-summary kill-buffer))
3758 (gnus-configure-windows 'summary 'force)
3759 (gnus-set-mode-line 'summary)
3760 (gnus-summary-position-point)
3763 ;; We couldn't select this group.
3765 (when (and (eq major-mode 'gnus-summary-mode)
3766 (not (equal (current-buffer) kill-buffer)))
3767 (kill-buffer (current-buffer))
3768 (if (not quit-config)
3770 ;; Update the info -- marks might need to be removed,
3772 (gnus-summary-update-info)
3773 (set-buffer gnus-group-buffer)
3774 (gnus-group-jump-to-group group)
3775 (gnus-group-next-unread-group 1))
3776 (gnus-handle-ephemeral-exit quit-config)))
3777 (let ((grpinfo (gnus-get-info group)))
3778 (if (null (gnus-info-read grpinfo))
3779 (gnus-message 3 "Group %s contains no messages"
3780 (gnus-group-decoded-name group))
3781 (gnus-message 3 "Can't select group")))
3783 ;; The user did a `C-g' while prompting for number of articles,
3784 ;; so we exit this group.
3785 ((eq did-select 'quit)
3786 (and (eq major-mode 'gnus-summary-mode)
3787 (not (equal (current-buffer) kill-buffer))
3788 (kill-buffer (current-buffer)))
3790 (gnus-kill-or-deaden-summary kill-buffer))
3791 (if (not quit-config)
3793 (set-buffer gnus-group-buffer)
3794 (gnus-group-jump-to-group group)
3795 (gnus-group-next-unread-group 1)
3796 (gnus-configure-windows 'group 'force))
3797 (gnus-handle-ephemeral-exit quit-config))
3798 ;; Finally signal the quit.
3800 ;; The group was successfully selected.
3802 (gnus-set-global-variables)
3803 ;; Save the active value in effect when the group was entered.
3804 (setq gnus-newsgroup-active
3806 (gnus-active gnus-newsgroup-name)))
3807 ;; You can change the summary buffer in some way with this hook.
3808 (gnus-run-hooks 'gnus-select-group-hook)
3809 (when (memq 'summary (gnus-update-format-specifications
3810 nil 'summary 'summary-mode 'summary-dummy))
3811 ;; The format specification for the summary line was updated,
3812 ;; so we need to update the mark positions as well.
3813 (gnus-update-summary-mark-positions))
3814 ;; Do score processing.
3815 (when gnus-use-scoring
3816 (gnus-possibly-score-headers))
3817 ;; Check whether to fill in the gaps in the threads.
3818 (when gnus-build-sparse-threads
3819 (gnus-build-sparse-threads))
3820 ;; Find the initial limit.
3822 (let ((gnus-newsgroup-dormant nil))
3823 (gnus-summary-initial-limit show-all))
3824 (gnus-summary-initial-limit show-all))
3825 ;; Generate the summary buffer.
3827 (gnus-summary-prepare))
3828 (when gnus-use-trees
3829 (gnus-tree-open group)
3830 (setq gnus-summary-highlight-line-function
3831 'gnus-tree-highlight-article))
3832 ;; If the summary buffer is empty, but there are some low-scored
3833 ;; articles or some excluded dormants, we include these in the
3835 (when (and (zerop (buffer-size))
3837 (cond (gnus-newsgroup-dormant
3838 (gnus-summary-limit-include-dormant))
3839 ((and gnus-newsgroup-scored show-all)
3840 (gnus-summary-limit-include-expunged t))))
3841 ;; Function `gnus-apply-kill-file' must be called in this hook.
3842 (gnus-run-hooks 'gnus-apply-kill-hook)
3843 (if (and (zerop (buffer-size))
3846 ;; This newsgroup is empty.
3847 (gnus-summary-catchup-and-exit nil t)
3848 (gnus-message 6 "No unread news")
3850 (gnus-kill-or-deaden-summary kill-buffer))
3851 ;; Return nil from this function.
3853 ;; Hide conversation thread subtrees. We cannot do this in
3854 ;; gnus-summary-prepare-hook since kill processing may not
3855 ;; work with hidden articles.
3856 (gnus-summary-maybe-hide-threads)
3858 (gnus-kill-or-deaden-summary kill-buffer))
3859 (gnus-summary-auto-select-subject)
3860 ;; Show first unread article if requested.
3861 (if (and (not no-article)
3863 gnus-newsgroup-unreads
3864 gnus-auto-select-first)
3866 (gnus-configure-windows 'summary)
3867 (let ((art (gnus-summary-article-number)))
3868 (unless (and (not gnus-plugged)
3869 (or (memq art gnus-newsgroup-undownloaded)
3870 (memq art gnus-newsgroup-downloadable)))
3871 (gnus-summary-goto-article art))))
3872 ;; Don't select any articles.
3873 (gnus-summary-position-point)
3874 (gnus-configure-windows 'summary 'force)
3875 (gnus-set-mode-line 'summary))
3876 (when (and gnus-auto-center-group
3877 (get-buffer-window gnus-group-buffer t))
3878 ;; Gotta use windows, because recenter does weird stuff if
3879 ;; the current buffer ain't the displayed window.
3880 (let ((owin (selected-window)))
3881 (select-window (get-buffer-window gnus-group-buffer t))
3882 (when (gnus-group-goto-group group)
3884 (select-window owin)))
3885 ;; Mark this buffer as "prepared".
3886 (setq gnus-newsgroup-prepared t)
3887 (gnus-run-hooks 'gnus-summary-prepared-hook)
3888 (unless (gnus-ephemeral-group-p group)
3889 (gnus-group-update-group group))
3892 (defun gnus-summary-auto-select-subject ()
3893 "Select the subject line on initial group entry."
3894 (goto-char (point-min))
3896 ((eq gnus-auto-select-subject 'best)
3897 (gnus-summary-best-unread-subject))
3898 ((eq gnus-auto-select-subject 'unread)
3899 (gnus-summary-first-unread-subject))
3900 ((eq gnus-auto-select-subject 'unseen)
3901 (gnus-summary-first-unseen-subject))
3902 ((eq gnus-auto-select-subject 'unseen-or-unread)
3903 (gnus-summary-first-unseen-or-unread-subject))
3904 ((eq gnus-auto-select-subject 'first)
3907 ((functionp gnus-auto-select-subject)
3908 (funcall gnus-auto-select-subject))))
3910 (defun gnus-summary-prepare ()
3911 "Generate the summary buffer."
3913 (let ((buffer-read-only nil))
3915 (setq gnus-newsgroup-data nil
3916 gnus-newsgroup-data-reverse nil)
3917 (gnus-run-hooks 'gnus-summary-generate-hook)
3918 ;; Generate the buffer, either with threads or without.
3919 (when gnus-newsgroup-headers
3920 (gnus-summary-prepare-threads
3921 (if gnus-show-threads
3922 (gnus-sort-gathered-threads
3923 (funcall gnus-summary-thread-gathering-function
3925 (gnus-cut-threads (gnus-make-threads)))))
3926 ;; Unthreaded display.
3927 (gnus-sort-articles gnus-newsgroup-headers))))
3928 (setq gnus-newsgroup-data (nreverse gnus-newsgroup-data))
3929 ;; Call hooks for modifying summary buffer.
3930 (goto-char (point-min))
3931 (gnus-run-hooks 'gnus-summary-prepare-hook)))
3933 (defsubst gnus-general-simplify-subject (subject)
3934 "Simplify subject by the same rules as `gnus-gather-threads-by-subject'."
3937 ;; Truncate the subject.
3938 (gnus-simplify-subject-functions
3939 (gnus-map-function gnus-simplify-subject-functions subject))
3940 ((numberp gnus-summary-gather-subject-limit)
3941 (setq subject (gnus-simplify-subject-re subject))
3942 (if (> (length subject) gnus-summary-gather-subject-limit)
3943 (substring subject 0 gnus-summary-gather-subject-limit)
3945 ;; Fuzzily simplify it.
3946 ((eq 'fuzzy gnus-summary-gather-subject-limit)
3947 (gnus-simplify-subject-fuzzy subject))
3948 ;; Just remove the leading "Re:".
3950 (gnus-simplify-subject-re subject))))
3952 (if (and gnus-summary-gather-exclude-subject
3953 (string-match gnus-summary-gather-exclude-subject subject))
3954 nil ; This article shouldn't be gathered
3957 (defun gnus-summary-simplify-subject-query ()
3958 "Query where the respool algorithm would put this article."
3960 (gnus-summary-select-article)
3961 (message (gnus-general-simplify-subject (gnus-summary-article-subject))))
3963 (defun gnus-gather-threads-by-subject (threads)
3964 "Gather threads by looking at Subject headers."
3965 (if (not gnus-summary-make-false-root)
3967 (let ((hashtb (gnus-make-hashtable 1024))
3970 subject hthread whole-subject)
3972 (setq subject (gnus-general-simplify-subject
3973 (setq whole-subject (mail-header-subject
3976 (if (setq hthread (gnus-gethash subject hashtb))
3978 ;; We enter a dummy root into the thread, if we
3979 ;; haven't done that already.
3980 (unless (stringp (caar hthread))
3981 (setcar hthread (list whole-subject (car hthread))))
3982 ;; We add this new gathered thread to this gathered
3984 (setcdr (car hthread)
3985 (nconc (cdar hthread) (list (car threads))))
3986 ;; Remove it from the list of threads.
3987 (setcdr prev (cdr threads))
3988 (setq threads prev))
3989 ;; Enter this thread into the hash table.
3990 (gnus-sethash subject
3991 (if gnus-summary-make-false-root-always
3993 ;; If you want a dummy root above all
3995 (setcar threads (list whole-subject
4001 (setq threads (cdr threads)))
4004 (defun gnus-gather-threads-by-references (threads)
4005 "Gather threads by looking at References headers."
4006 (let ((idhashtb (gnus-make-hashtable 1024))
4007 (thhashtb (gnus-make-hashtable 1024))
4010 ids references id gthread gid entered ref)
4012 (when (setq references (mail-header-references (caar threads)))
4013 (setq id (mail-header-id (caar threads))
4014 ids (inline (gnus-split-references references))
4016 (while (setq ref (pop ids))
4017 (setq ids (delete ref ids))
4018 (if (not (setq gid (gnus-gethash ref idhashtb)))
4020 (gnus-sethash ref id idhashtb)
4021 (gnus-sethash id threads thhashtb))
4022 (setq gthread (gnus-gethash gid thhashtb))
4024 ;; We enter a dummy root into the thread, if we
4025 ;; haven't done that already.
4026 (unless (stringp (caar gthread))
4027 (setcar gthread (list (mail-header-subject (caar gthread))
4029 ;; We add this new gathered thread to this gathered
4031 (setcdr (car gthread)
4032 (nconc (cdar gthread) (list (car threads)))))
4033 ;; Add it into the thread hash table.
4034 (gnus-sethash id gthread thhashtb)
4036 ;; Remove it from the list of threads.
4037 (setcdr prev (cdr threads))
4038 (setq threads prev))))
4040 (setq threads (cdr threads)))
4043 (defun gnus-sort-gathered-threads (threads)
4044 "Sort subtreads inside each gathered thread by `gnus-sort-gathered-threads-function'."
4045 (let ((result threads))
4047 (when (stringp (caar threads))
4048 (setcdr (car threads)
4049 (sort (cdar threads) gnus-sort-gathered-threads-function)))
4050 (setq threads (cdr threads)))
4053 (defun gnus-thread-loop-p (root thread)
4054 "Say whether ROOT is in THREAD."
4055 (let ((stack (list thread))
4058 (while (setq thread (pop stack))
4059 (setq th (cdr thread))
4061 (not (eq (caar th) root)))
4064 ;; We have found a loop.
4066 (setcdr thread (delq (car th) (cdr thread)))
4067 (if (boundp (setq ref-dep (intern "none"
4068 gnus-newsgroup-dependencies)))
4069 (setcdr (symbol-value ref-dep)
4070 (nconc (cdr (symbol-value ref-dep))
4072 (set ref-dep (list nil (car th))))
4075 ;; Push all the subthreads onto the stack.
4076 (push (cdr thread) stack)))
4079 (defun gnus-make-threads ()
4080 "Go through the dependency hashtb and find the roots. Return all threads."
4082 (while (catch 'infloop
4085 ;; Deal with self-referencing References loops.
4086 (when (and (car (symbol-value refs))
4093 (car (symbol-value refs)) thread))
4094 (cdr (symbol-value refs)))))))
4097 (unless (car (symbol-value refs))
4098 ;; These threads do not refer back to any other
4099 ;; articles, so they're roots.
4100 (setq threads (append (cdr (symbol-value refs)) threads))))
4101 gnus-newsgroup-dependencies)))
4104 ;; Build the thread tree.
4105 (defsubst gnus-dependencies-add-header (header dependencies force-new)
4106 "Enter HEADER into the DEPENDENCIES table if it is not already there.
4108 If FORCE-NEW is not nil, enter HEADER into the DEPENDENCIES table even
4109 if it was already present.
4111 If `gnus-summary-ignore-duplicates' is nil then duplicate Message-IDs
4112 will not be entered in the DEPENDENCIES table. Otherwise duplicate
4113 Message-IDs will be renamed to a unique Message-ID before being
4116 Returns HEADER if it was entered in the DEPENDENCIES. Returns nil otherwise."
4117 (let* ((id (mail-header-id header))
4118 (id-dep (and id (intern id dependencies)))
4119 parent-id ref ref-dep ref-header replaced)
4120 ;; Enter this `header' in the `dependencies' table.
4124 ;; The first two cases do the normal part: enter a new `header'
4125 ;; in the `dependencies' table.
4126 ((not (boundp id-dep))
4127 (set id-dep (list header)))
4128 ((null (car (symbol-value id-dep)))
4129 (setcar (symbol-value id-dep) header))
4131 ;; From here the `header' was already present in the
4132 ;; `dependencies' table.
4134 ;; Overrides an existing entry;
4135 ;; just set the header part of the entry.
4136 (setcar (symbol-value id-dep) header)
4139 ;; Renames the existing `header' to a unique Message-ID.
4140 ((not gnus-summary-ignore-duplicates)
4141 ;; An article with this Message-ID has already been seen.
4142 ;; We rename the Message-ID.
4143 (set (setq id-dep (intern (setq id (nnmail-message-id)) dependencies))
4145 (mail-header-set-id header id))
4147 ;; The last case ignores an existing entry, except it adds any
4148 ;; additional Xrefs (in case the two articles came from different
4150 ;; Also sets `header' to `nil' meaning that the `dependencies'
4151 ;; table was *not* modified.
4153 (mail-header-set-xref
4154 (car (symbol-value id-dep))
4155 (concat (or (mail-header-xref (car (symbol-value id-dep)))
4157 (or (mail-header-xref header) "")))
4160 (when (and header (not replaced))
4161 ;; First check that we are not creating a References loop.
4162 (setq parent-id (gnus-parent-id (mail-header-references header)))
4163 (setq ref parent-id)
4165 (setq ref-dep (intern-soft ref dependencies))
4167 (setq ref-header (car (symbol-value ref-dep))))
4168 (if (string= id ref)
4169 ;; Yuk! This is a reference loop. Make the article be a
4172 (mail-header-set-references (car (symbol-value id-dep)) "none")
4174 (setq parent-id nil))
4175 (setq ref (gnus-parent-id (mail-header-references ref-header)))))
4176 (setq ref-dep (intern (or parent-id "none") dependencies))
4177 (if (boundp ref-dep)
4178 (setcdr (symbol-value ref-dep)
4179 (nconc (cdr (symbol-value ref-dep))
4180 (list (symbol-value id-dep))))
4181 (set ref-dep (list nil (symbol-value id-dep)))))
4184 (defun gnus-extract-message-id-from-in-reply-to (string)
4185 (if (string-match "<[^>]+>" string)
4186 (substring string (match-beginning 0) (match-end 0))
4189 (defun gnus-build-sparse-threads ()
4190 (let ((headers gnus-newsgroup-headers)
4191 (mail-parse-charset gnus-newsgroup-charset)
4192 (gnus-summary-ignore-duplicates t)
4193 header references generation relations
4194 subject child end new-child date)
4195 ;; First we create an alist of generations/relations, where
4196 ;; generations is how much we trust the relation, and the relation
4198 (gnus-message 7 "Making sparse threads...")
4200 (nnheader-set-temp-buffer " *gnus sparse threads*")
4201 (while (setq header (pop headers))
4202 (when (and (setq references (mail-header-references header))
4203 (not (string= references "")))
4205 (setq child (mail-header-id header)
4206 subject (mail-header-subject header)
4207 date (mail-header-date header)
4209 (while (search-backward ">" nil t)
4210 (setq end (1+ (point)))
4211 (when (search-backward "<" nil t)
4212 (setq new-child (buffer-substring (point) end))
4213 (push (list (incf generation)
4214 child (setq child new-child)
4218 (push (list (1+ generation) child nil subject) relations))
4220 (kill-buffer (current-buffer)))
4221 ;; Sort over trustworthiness.
4224 (when (gnus-dependencies-add-header
4225 (make-full-mail-header
4226 gnus-reffed-article-number
4227 (nth 3 relation) "" (or (nth 4 relation) "")
4229 (or (nth 2 relation) "") 0 0 "")
4230 gnus-newsgroup-dependencies nil)
4231 (push gnus-reffed-article-number gnus-newsgroup-limit)
4232 (push gnus-reffed-article-number gnus-newsgroup-sparse)
4233 (push (cons gnus-reffed-article-number gnus-sparse-mark)
4234 gnus-newsgroup-reads)
4235 (decf gnus-reffed-article-number)))
4236 (sort relations 'car-less-than-car))
4237 (gnus-message 7 "Making sparse threads...done")))
4239 (defun gnus-build-old-threads ()
4240 ;; Look at all the articles that refer back to old articles, and
4241 ;; fetch the headers for the articles that aren't there. This will
4242 ;; build complete threads - if the roots haven't been expired by the
4244 (let ((mail-parse-charset gnus-newsgroup-charset)
4248 (when (not (car (symbol-value refs)))
4249 (setq heads (cdr (symbol-value refs)))
4251 (if (memq (mail-header-number (caar heads))
4252 gnus-newsgroup-dormant)
4253 (setq heads (cdr heads))
4254 (setq id (symbol-name refs))
4255 (while (and (setq id (gnus-build-get-header id))
4256 (not (car (gnus-id-to-thread id)))))
4257 (setq heads nil)))))
4258 gnus-newsgroup-dependencies)))
4260 (defsubst gnus-remove-odd-characters (string)
4261 "Translate STRING into something that doesn't contain weird characters."
4262 (mm-subst-char-in-string
4264 (mm-subst-char-in-string ?\n ?\- string t) t))
4266 ;; This function has to be called with point after the article number
4267 ;; on the beginning of the line.
4268 (defsubst gnus-nov-parse-line (number dependencies &optional force-new)
4269 (let ((eol (point-at-eol))
4270 (buffer (current-buffer))
4271 header references in-reply-to)
4273 ;; overview: [num subject from date id refs chars lines misc]
4276 (narrow-to-region (point) eol)
4281 (make-full-mail-header
4283 (condition-case () ; subject
4284 (gnus-remove-odd-characters
4285 (funcall gnus-decode-encoded-word-function
4286 (setq x (nnheader-nov-field))))
4288 (condition-case () ; from
4289 (gnus-remove-odd-characters
4290 (funcall gnus-decode-encoded-address-function
4291 (setq x (nnheader-nov-field))))
4293 (nnheader-nov-field) ; date
4294 (nnheader-nov-read-message-id number) ; id
4295 (setq references (nnheader-nov-field)) ; refs
4296 (nnheader-nov-read-integer) ; chars
4297 (nnheader-nov-read-integer) ; lines
4299 (if (looking-at "Xref: ")
4300 (goto-char (match-end 0)))
4301 (nnheader-nov-field)) ; Xref
4302 (nnheader-nov-parse-extra)))) ; extra
4306 (when (and (string= references "")
4307 (setq in-reply-to (mail-header-extra header))
4308 (setq in-reply-to (cdr (assq 'In-Reply-To in-reply-to))))
4309 (mail-header-set-references
4310 header (gnus-extract-message-id-from-in-reply-to in-reply-to)))
4312 (when gnus-alter-header-function
4313 (funcall gnus-alter-header-function header))
4314 (gnus-dependencies-add-header header dependencies force-new)))
4316 (defun gnus-build-get-header (id)
4317 "Look through the buffer of NOV lines and find the header to ID.
4318 Enter this line into the dependencies hash table, and return
4319 the id of the parent article (if any)."
4320 (let ((deps gnus-newsgroup-dependencies)
4324 (set-buffer nntp-server-buffer)
4325 (let ((case-fold-search nil))
4326 (goto-char (point-min))
4327 (while (and (not found)
4328 (search-forward id nil t))
4330 (setq found (looking-at
4331 (format "^[^\t]*\t[^\t]*\t[^\t]*\t[^\t]*\t%s"
4332 (regexp-quote id))))
4333 (or found (beginning-of-line 2)))
4337 (setq header (gnus-nov-parse-line
4338 (read (current-buffer)) deps))
4339 (gnus-parent-id (mail-header-references header))))))
4341 (let ((number (mail-header-number header)))
4342 (push number gnus-newsgroup-limit)
4343 (push header gnus-newsgroup-headers)
4344 (if (memq number gnus-newsgroup-unselected)
4346 (setq gnus-newsgroup-unreads
4347 (gnus-add-to-sorted-list gnus-newsgroup-unreads
4349 (setq gnus-newsgroup-unselected
4350 (delq number gnus-newsgroup-unselected)))
4351 (push number gnus-newsgroup-ancient)))))))
4353 (defun gnus-build-all-threads ()
4354 "Read all the headers."
4355 (let ((gnus-summary-ignore-duplicates t)
4356 (mail-parse-charset gnus-newsgroup-charset)
4357 (dependencies gnus-newsgroup-dependencies)
4360 (set-buffer nntp-server-buffer)
4361 (let ((case-fold-search nil))
4362 (goto-char (point-min))
4365 (setq article (read (current-buffer))
4366 header (gnus-nov-parse-line article dependencies)))
4368 (with-current-buffer gnus-summary-buffer
4369 (push header gnus-newsgroup-headers)
4370 (if (memq (setq article (mail-header-number header))
4371 gnus-newsgroup-unselected)
4373 (setq gnus-newsgroup-unreads
4374 (gnus-add-to-sorted-list
4375 gnus-newsgroup-unreads article))
4376 (setq gnus-newsgroup-unselected
4377 (delq article gnus-newsgroup-unselected)))
4378 (push article gnus-newsgroup-ancient)))
4379 (forward-line 1)))))))
4381 (defun gnus-summary-update-article-line (article header)
4382 "Update the line for ARTICLE using HEADER."
4383 (let* ((id (mail-header-id header))
4384 (thread (gnus-id-to-thread id)))
4386 (error "Article in no thread"))
4387 ;; Update the thread.
4388 (setcar thread header)
4389 (gnus-summary-goto-subject article)
4390 (let* ((datal (gnus-data-find-list article))
4392 (buffer-read-only nil)
4393 (level (gnus-summary-thread-level)))
4395 (let ((inserted (- (point)
4397 (gnus-summary-insert-line
4399 (memq article gnus-newsgroup-undownloaded)
4400 (gnus-article-mark article)
4401 (memq article gnus-newsgroup-replied)
4402 (memq article gnus-newsgroup-expirable)
4403 ;; Only insert the Subject string when it's different
4404 ;; from the previous Subject string.
4409 (mail-header-subject
4412 (gnus-data-find-list
4414 (gnus-data-list t)))))
4415 ;; Error on the side of excessive subjects.
4417 (mail-header-subject header)))
4419 (mail-header-subject header))
4420 nil (cdr (assq article gnus-newsgroup-scored))
4421 (memq article gnus-newsgroup-processable))
4424 (gnus-data-update-list
4426 (- (gnus-data-pos data) (gnus-data-pos (cadr datal)) inserted)))))))
4428 (defun gnus-summary-update-article (article &optional iheader)
4429 "Update ARTICLE in the summary buffer."
4430 (set-buffer gnus-summary-buffer)
4431 (let* ((header (gnus-summary-article-header article))
4432 (id (mail-header-id header))
4433 (data (gnus-data-find article))
4434 (thread (gnus-id-to-thread id))
4435 (references (mail-header-references header))
4439 (when (and references
4440 (not (equal "" references)))
4443 (buffer-read-only nil)
4449 (delq thread parent)))
4450 (if (gnus-summary-insert-subject id header)
4451 ;; Set the (possibly) new article number in the data structure.
4452 (gnus-data-set-number data (gnus-id-to-article id))
4456 (defun gnus-rebuild-thread (id &optional line)
4457 "Rebuild the thread containing ID.
4458 If LINE, insert the rebuilt thread starting on line LINE."
4459 (let ((buffer-read-only nil)
4460 old-pos current thread data)
4461 (if (not gnus-show-threads)
4462 (setq thread (list (car (gnus-id-to-thread id))))
4463 ;; Get the thread this article is part of.
4464 (setq thread (gnus-remove-thread id)))
4465 (setq old-pos (point-at-bol))
4466 (setq current (save-excursion
4467 (and (re-search-backward "[\r\n]" nil t)
4468 (gnus-summary-article-number))))
4469 ;; If this is a gathered thread, we have to go some re-gathering.
4470 (when (stringp (car thread))
4471 (let ((subject (car thread))
4473 (setq thread (cdr thread))
4475 (unless (memq (setq thr (gnus-id-to-thread
4477 (mail-header-id (caar thread)))))
4480 (setq thread (cdr thread)))
4481 ;; We now have all (unique) roots.
4482 (if (= (length roots) 1)
4483 ;; All the loose roots are now one solid root.
4484 (setq thread (car roots))
4485 (setq thread (cons subject (gnus-sort-threads roots))))))
4487 ;; We then insert this thread into the summary buffer.
4489 (goto-char (point-min))
4490 (forward-line (1- line)))
4491 (let (gnus-newsgroup-data gnus-newsgroup-threads)
4492 (if gnus-show-threads
4493 (gnus-summary-prepare-threads (gnus-cut-threads (list thread)))
4494 (gnus-summary-prepare-unthreaded thread))
4495 (setq data (nreverse gnus-newsgroup-data))
4496 (setq threads gnus-newsgroup-threads))
4497 ;; We splice the new data into the data structure.
4498 ;;!!! This is kinda bogus. We assume that in LINE is non-nil,
4499 ;;!!! then we want to insert at the beginning of the buffer.
4500 ;;!!! That happens to be true with Gnus now, but that may
4501 ;;!!! change in the future. Perhaps.
4502 (gnus-data-enter-list
4503 (if line nil current) data (- (point) old-pos))
4504 (setq gnus-newsgroup-threads
4505 (nconc threads gnus-newsgroup-threads))
4506 (gnus-data-compute-positions))))
4508 (defun gnus-number-to-header (number)
4509 "Return the header for article NUMBER."
4510 (let ((headers gnus-newsgroup-headers))
4512 (not (= number (mail-header-number (car headers)))))
4517 (defun gnus-parent-headers (in-headers &optional generation)
4518 "Return the headers of the GENERATIONeth parent of HEADERS."
4520 (setq generation 1))
4522 (headers in-headers)
4525 (not (zerop generation))
4526 (setq references (mail-header-references headers)))
4527 (setq headers (if (and references
4528 (setq parent (gnus-parent-id references)))
4529 (car (gnus-id-to-thread parent))
4532 (and (not (eq headers in-headers))
4535 (defun gnus-id-to-thread (id)
4536 "Return the (sub-)thread where ID appears."
4537 (gnus-gethash id gnus-newsgroup-dependencies))
4539 (defun gnus-id-to-article (id)
4540 "Return the article number of ID."
4541 (let ((thread (gnus-id-to-thread id)))
4544 (mail-header-number (car thread)))))
4546 (defun gnus-id-to-header (id)
4547 "Return the article headers of ID."
4548 (car (gnus-id-to-thread id)))
4550 (defun gnus-article-displayed-root-p (article)
4551 "Say whether ARTICLE is a root(ish) article."
4552 (let ((level (gnus-summary-thread-level article))
4553 (refs (mail-header-references (gnus-summary-article-header article)))
4559 ((null (gnus-parent-id refs)) t)
4561 (null (setq particle (gnus-id-to-article
4562 (gnus-parent-id refs))))
4563 (null (gnus-summary-thread-level particle)))))))
4565 (defun gnus-root-id (id)
4566 "Return the id of the root of the thread where ID appears."
4568 (while (and id (setq prev (car (gnus-id-to-thread id))))
4570 id (gnus-parent-id (mail-header-references prev))))
4573 (defun gnus-articles-in-thread (thread)
4574 "Return the list of articles in THREAD."
4575 (cons (mail-header-number (car thread))
4576 (apply 'nconc (mapcar 'gnus-articles-in-thread (cdr thread)))))
4578 (defun gnus-remove-thread (id &optional dont-remove)
4579 "Remove the thread that has ID in it."
4580 (let (headers thread last-id)
4581 ;; First go up in this thread until we find the root.
4582 (setq last-id (gnus-root-id id)
4583 headers (message-flatten-list (gnus-id-to-thread last-id)))
4584 ;; We have now found the real root of this thread. It might have
4585 ;; been gathered into some loose thread, so we have to search
4586 ;; through the threads to find the thread we wanted.
4587 (let ((threads gnus-newsgroup-threads)
4590 (setq sub (car threads))
4591 (if (stringp (car sub))
4592 ;; This is a gathered thread, so we look at the roots
4593 ;; below it to find whether this article is in this
4596 (setq sub (cdr sub))
4598 (when (member (caar sub) headers)
4599 (setq thread (car threads)
4602 (setq sub (cdr sub))))
4603 ;; It's an ordinary thread, so we check it.
4604 (when (eq (car sub) (car headers))
4607 (setq threads (cdr threads)))
4608 ;; If this article is in no thread, then it's a root.
4611 (setq gnus-newsgroup-threads (delq thread gnus-newsgroup-threads)))
4612 (setq thread (gnus-id-to-thread last-id)))
4615 thread ; We return this thread.
4617 (if (stringp (car thread))
4619 ;; If we use dummy roots, then we have to remove the
4620 ;; dummy root as well.
4621 (when (eq gnus-summary-make-false-root 'dummy)
4622 ;; We go to the dummy root by going to
4623 ;; the first sub-"thread", and then one line up.
4624 (gnus-summary-goto-article
4625 (mail-header-number (caadr thread)))
4628 (gnus-data-compute-positions))
4629 (setq thread (cdr thread))
4631 (gnus-remove-thread-1 (car thread))
4632 (setq thread (cdr thread))))
4633 (gnus-remove-thread-1 thread))))))))
4635 (defun gnus-remove-thread-1 (thread)
4636 "Remove the thread THREAD recursively."
4637 (let ((number (mail-header-number (pop thread)))
4639 (setq thread (reverse thread))
4641 (gnus-remove-thread-1 (pop thread)))
4642 (when (setq d (gnus-data-find number))
4643 (goto-char (gnus-data-pos d))
4644 (gnus-summary-show-thread)
4650 (gnus-delete-line)))))))
4652 (defun gnus-sort-threads-1 (threads func)
4653 (sort (mapcar (lambda (thread)
4656 (gnus-sort-threads-1 (cdr thread) func))))
4659 (defun gnus-sort-threads (threads)
4661 (if (not gnus-thread-sort-functions)
4663 (gnus-message 8 "Sorting threads...")
4664 (let ((max-lisp-eval-depth 5000))
4665 (prog1 (gnus-sort-threads-1
4667 (gnus-make-sort-function gnus-thread-sort-functions))
4668 (gnus-message 8 "Sorting threads...done")))))
4670 (defun gnus-sort-articles (articles)
4672 (when gnus-article-sort-functions
4673 (gnus-message 7 "Sorting articles...")
4675 (setq gnus-newsgroup-headers
4676 (sort articles (gnus-make-sort-function
4677 gnus-article-sort-functions)))
4678 (gnus-message 7 "Sorting articles...done"))))
4680 ;; Written by Hallvard B Furuseth <h.b.furuseth@usit.uio.no>.
4681 (defmacro gnus-thread-header (thread)
4682 "Return header of first article in THREAD.
4683 Note that THREAD must never, ever be anything else than a variable -
4684 using some other form will lead to serious barfage."
4685 (or (symbolp thread) (signal 'wrong-type-argument '(symbolp thread)))
4686 ;; (8% speedup to gnus-summary-prepare, just for fun :-)
4687 (list 'byte-code "\10\211:\203\17\0\211@;\203\16\0A@@\207"
4690 (defsubst gnus-article-sort-by-number (h1 h2)
4691 "Sort articles by article number."
4692 (< (mail-header-number h1)
4693 (mail-header-number h2)))
4695 (defun gnus-thread-sort-by-number (h1 h2)
4696 "Sort threads by root article number."
4697 (gnus-article-sort-by-number
4698 (gnus-thread-header h1) (gnus-thread-header h2)))
4700 (defsubst gnus-article-sort-by-random (h1 h2)
4701 "Sort articles by article number."
4704 (defun gnus-thread-sort-by-random (h1 h2)
4705 "Sort threads by root article number."
4706 (gnus-article-sort-by-random
4707 (gnus-thread-header h1) (gnus-thread-header h2)))
4709 (defsubst gnus-article-sort-by-lines (h1 h2)
4710 "Sort articles by article Lines header."
4711 (< (mail-header-lines h1)
4712 (mail-header-lines h2)))
4714 (defun gnus-thread-sort-by-lines (h1 h2)
4715 "Sort threads by root article Lines header."
4716 (gnus-article-sort-by-lines
4717 (gnus-thread-header h1) (gnus-thread-header h2)))
4719 (defsubst gnus-article-sort-by-chars (h1 h2)
4720 "Sort articles by octet length."
4721 (< (mail-header-chars h1)
4722 (mail-header-chars h2)))
4724 (defun gnus-thread-sort-by-chars (h1 h2)
4725 "Sort threads by root article octet length."
4726 (gnus-article-sort-by-chars
4727 (gnus-thread-header h1) (gnus-thread-header h2)))
4729 (defsubst gnus-article-sort-by-author (h1 h2)
4730 "Sort articles by root author."
4732 (let ((extract (funcall
4733 gnus-extract-address-components
4734 (mail-header-from h1))))
4735 (or (car extract) (cadr extract) ""))
4736 (let ((extract (funcall
4737 gnus-extract-address-components
4738 (mail-header-from h2))))
4739 (or (car extract) (cadr extract) ""))))
4741 (defun gnus-thread-sort-by-author (h1 h2)
4742 "Sort threads by root author."
4743 (gnus-article-sort-by-author
4744 (gnus-thread-header h1) (gnus-thread-header h2)))
4746 (defsubst gnus-article-sort-by-recipient (h1 h2)
4747 "Sort articles by recipient."
4749 (let ((extract (funcall
4750 gnus-extract-address-components
4751 (or (cdr (assq 'To (mail-header-extra h1))) ""))))
4752 (or (car extract) (cadr extract)))
4753 (let ((extract (funcall
4754 gnus-extract-address-components
4755 (or (cdr (assq 'To (mail-header-extra h2))) ""))))
4756 (or (car extract) (cadr extract)))))
4758 (defun gnus-thread-sort-by-recipient (h1 h2)
4759 "Sort threads by root recipient."
4760 (gnus-article-sort-by-recipient
4761 (gnus-thread-header h1) (gnus-thread-header h2)))
4763 (defsubst gnus-article-sort-by-subject (h1 h2)
4764 "Sort articles by root subject."
4766 (downcase (gnus-simplify-subject-re (mail-header-subject h1)))
4767 (downcase (gnus-simplify-subject-re (mail-header-subject h2)))))
4769 (defun gnus-thread-sort-by-subject (h1 h2)
4770 "Sort threads by root subject."
4771 (gnus-article-sort-by-subject
4772 (gnus-thread-header h1) (gnus-thread-header h2)))
4774 (defsubst gnus-article-sort-by-date (h1 h2)
4775 "Sort articles by root article date."
4777 (gnus-date-get-time (mail-header-date h1))
4778 (gnus-date-get-time (mail-header-date h2))))
4780 (defun gnus-thread-sort-by-date (h1 h2)
4781 "Sort threads by root article date."
4782 (gnus-article-sort-by-date
4783 (gnus-thread-header h1) (gnus-thread-header h2)))
4785 (defsubst gnus-article-sort-by-score (h1 h2)
4786 "Sort articles by root article score.
4787 Unscored articles will be counted as having a score of zero."
4788 (> (or (cdr (assq (mail-header-number h1)
4789 gnus-newsgroup-scored))
4790 gnus-summary-default-score 0)
4791 (or (cdr (assq (mail-header-number h2)
4792 gnus-newsgroup-scored))
4793 gnus-summary-default-score 0)))
4795 (defun gnus-thread-sort-by-score (h1 h2)
4796 "Sort threads by root article score."
4797 (gnus-article-sort-by-score
4798 (gnus-thread-header h1) (gnus-thread-header h2)))
4800 (defun gnus-thread-sort-by-total-score (h1 h2)
4801 "Sort threads by the sum of all scores in the thread.
4802 Unscored articles will be counted as having a score of zero."
4803 (> (gnus-thread-total-score h1) (gnus-thread-total-score h2)))
4805 (defun gnus-thread-total-score (thread)
4806 ;; This function find the total score of THREAD.
4811 (if (stringp (car thread))
4812 (apply gnus-thread-score-function 0
4813 (mapcar 'gnus-thread-total-score-1 (cdr thread)))
4814 (gnus-thread-total-score-1 thread)))
4816 (gnus-thread-total-score-1 (list thread)))))
4818 (defun gnus-thread-sort-by-most-recent-number (h1 h2)
4819 "Sort threads such that the thread with the most recently arrived article comes first."
4820 (> (gnus-thread-highest-number h1) (gnus-thread-highest-number h2)))
4822 (defun gnus-thread-highest-number (thread)
4823 "Return the highest article number in THREAD."
4824 (apply 'max (mapcar (lambda (header)
4825 (mail-header-number header))
4826 (message-flatten-list thread))))
4828 (defun gnus-thread-sort-by-most-recent-date (h1 h2)
4829 "Sort threads such that the thread with the most recently dated article comes first."
4830 (> (gnus-thread-latest-date h1) (gnus-thread-latest-date h2)))
4832 (defun gnus-thread-latest-date (thread)
4833 "Return the highest article date in THREAD."
4834 (let ((previous-time 0))
4840 (time-to-seconds (mail-header-parse-date
4841 (mail-header-date header)))
4842 (error previous-time))))
4844 (message-flatten-list thread)
4846 (< (mail-header-number h1)
4847 (mail-header-number h2))))))))
4849 (defun gnus-thread-total-score-1 (root)
4850 ;; This function find the total score of the thread below ROOT.
4851 (setq root (car root))
4852 (apply gnus-thread-score-function
4854 (mapcar 'gnus-thread-total-score
4855 (cdr (gnus-id-to-thread (mail-header-id root))))
4856 (when (> (mail-header-number root) 0)
4857 (list (or (cdr (assq (mail-header-number root)
4858 gnus-newsgroup-scored))
4859 gnus-summary-default-score 0))))
4860 (list gnus-summary-default-score)
4863 ;; Added by Per Abrahamsen <amanda@iesd.auc.dk>.
4864 (defvar gnus-tmp-prev-subject nil)
4865 (defvar gnus-tmp-false-parent nil)
4866 (defvar gnus-tmp-root-expunged nil)
4867 (defvar gnus-tmp-dummy-line nil)
4869 (eval-when-compile (defvar gnus-tmp-header))
4870 (defun gnus-extra-header (type &optional header)
4871 "Return the extra header of TYPE."
4872 (or (cdr (assq type (mail-header-extra (or header gnus-tmp-header))))
4875 (defvar gnus-tmp-thread-tree-header-string "")
4877 (defcustom gnus-sum-thread-tree-root "> "
4878 "With %B spec, used for the root of a thread.
4879 If nil, use subject instead."
4881 :type '(radio (const :format "%v " nil) string)
4882 :group 'gnus-thread)
4884 (defcustom gnus-sum-thread-tree-false-root "> "
4885 "With %B spec, used for a false root of a thread.
4886 If nil, use subject instead."
4888 :type '(radio (const :format "%v " nil) string)
4889 :group 'gnus-thread)
4891 (defcustom gnus-sum-thread-tree-single-indent ""
4892 "With %B spec, used for a thread with just one message.
4893 If nil, use subject instead."
4895 :type '(radio (const :format "%v " nil) string)
4896 :group 'gnus-thread)
4898 (defcustom gnus-sum-thread-tree-vertical "| "
4899 "With %B spec, used for drawing a vertical line."
4902 :group 'gnus-thread)
4904 (defcustom gnus-sum-thread-tree-indent " "
4905 "With %B spec, used for indenting."
4908 :group 'gnus-thread)
4910 (defcustom gnus-sum-thread-tree-leaf-with-other "+-> "
4911 "With %B spec, used for a leaf with brothers."
4914 :group 'gnus-thread)
4916 (defcustom gnus-sum-thread-tree-single-leaf "\\-> "
4917 "With %B spec, used for a leaf without brothers."
4920 :group 'gnus-thread)
4922 (defun gnus-summary-prepare-threads (threads)
4923 "Prepare summary buffer from THREADS and indentation LEVEL.
4924 THREADS is either a list of `(PARENT [(CHILD1 [(GRANDCHILD ...]...) ...])'
4925 or a straight list of headers."
4926 (gnus-message 7 "Generating summary...")
4928 (setq gnus-newsgroup-threads threads)
4931 (let ((gnus-tmp-level 0)
4932 (default-score (or gnus-summary-default-score 0))
4933 (gnus-visual-p (gnus-visual-p 'summary-highlight 'highlight))
4934 (building-line-count gnus-summary-display-while-building)
4935 (building-count (integerp gnus-summary-display-while-building))
4936 thread number subject stack state gnus-tmp-gathered beg-match
4937 new-roots gnus-tmp-new-adopts thread-end simp-subject
4938 gnus-tmp-header gnus-tmp-unread gnus-tmp-downloaded
4939 gnus-tmp-replied gnus-tmp-subject-or-nil
4940 gnus-tmp-dummy gnus-tmp-indentation gnus-tmp-lines gnus-tmp-score
4941 gnus-tmp-score-char gnus-tmp-from gnus-tmp-name
4942 gnus-tmp-number gnus-tmp-opening-bracket gnus-tmp-closing-bracket
4945 (setq gnus-tmp-prev-subject nil
4946 gnus-tmp-thread-tree-header-string "")
4948 (if (vectorp (car threads))
4949 ;; If this is a straight (sic) list of headers, then a
4950 ;; threaded summary display isn't required, so we just create
4951 ;; an unthreaded one.
4952 (gnus-summary-prepare-unthreaded threads)
4954 ;; Do the threaded display.
4956 (if gnus-summary-display-while-building
4957 (switch-to-buffer (buffer-name)))
4958 (while (or threads stack gnus-tmp-new-adopts new-roots)
4960 (if (and (= gnus-tmp-level 0)
4963 (not gnus-tmp-false-parent)
4964 (or gnus-tmp-new-adopts new-roots))
4965 (if gnus-tmp-new-adopts
4966 (setq gnus-tmp-level (if gnus-tmp-root-expunged 0 1)
4967 thread (list (car gnus-tmp-new-adopts))
4968 gnus-tmp-header (caar thread)
4969 gnus-tmp-new-adopts (cdr gnus-tmp-new-adopts))
4971 (setq thread (list (car new-roots))
4972 gnus-tmp-header (caar thread)
4973 new-roots (cdr new-roots))))
4976 ;; If there are some threads, we do them before the
4977 ;; threads on the stack.
4978 (setq thread threads
4979 gnus-tmp-header (caar thread))
4980 ;; There were no current threads, so we pop something off
4982 (setq state (car stack)
4983 gnus-tmp-level (car state)
4984 tree-stack (cadr state)
4985 thread (caddr state)
4987 gnus-tmp-header (caar thread))))
4989 (setq gnus-tmp-false-parent nil)
4990 (setq gnus-tmp-root-expunged nil)
4991 (setq thread-end nil)
4993 (if (stringp gnus-tmp-header)
4994 ;; The header is a dummy root.
4996 ((eq gnus-summary-make-false-root 'adopt)
4997 ;; We let the first article adopt the rest.
4998 (setq gnus-tmp-new-adopts (nconc gnus-tmp-new-adopts
5000 (setq gnus-tmp-gathered
5002 (lambda (h) (mail-header-number (car h)))
5005 (setq thread (cons (list (caar thread)
5008 (setq gnus-tmp-level -1
5009 gnus-tmp-false-parent t))
5010 ((eq gnus-summary-make-false-root 'empty)
5011 ;; We print adopted articles with empty subject fields.
5012 (setq gnus-tmp-gathered
5014 (lambda (h) (mail-header-number (car h)))
5017 (setq gnus-tmp-level -1))
5018 ((eq gnus-summary-make-false-root 'dummy)
5019 ;; We remember that we probably want to output a dummy
5021 (setq gnus-tmp-dummy-line gnus-tmp-header)
5022 (setq gnus-tmp-prev-subject gnus-tmp-header))
5024 ;; We do not make a root for the gathered
5025 ;; sub-threads at all.
5026 (setq gnus-tmp-level -1)))
5028 (setq number (mail-header-number gnus-tmp-header)
5029 subject (mail-header-subject gnus-tmp-header)
5030 simp-subject (gnus-simplify-subject-fully subject))
5033 ;; If the thread has changed subject, we might want to make
5034 ;; this subthread into a root.
5035 ((and (null gnus-thread-ignore-subject)
5036 (not (zerop gnus-tmp-level))
5037 gnus-tmp-prev-subject
5038 (not (string= gnus-tmp-prev-subject simp-subject)))
5039 (setq new-roots (nconc new-roots (list (car thread)))
5041 gnus-tmp-header nil))
5042 ;; If the article lies outside the current limit,
5043 ;; then we do not display it.
5044 ((not (memq number gnus-newsgroup-limit))
5045 (setq gnus-tmp-gathered
5047 (lambda (h) (mail-header-number (car h)))
5050 (setq gnus-tmp-new-adopts (if (cdar thread)
5051 (append gnus-tmp-new-adopts
5053 gnus-tmp-new-adopts)
5055 gnus-tmp-header nil)
5056 (when (zerop gnus-tmp-level)
5057 (setq gnus-tmp-root-expunged t)))
5058 ;; Perhaps this article is to be marked as read?
5059 ((and gnus-summary-mark-below
5060 (< (or (cdr (assq number gnus-newsgroup-scored))
5062 gnus-summary-mark-below)
5063 ;; Don't touch sparse articles.
5064 (not (gnus-summary-article-sparse-p number))
5065 (not (gnus-summary-article-ancient-p number)))
5066 (setq gnus-newsgroup-unreads
5067 (delq number gnus-newsgroup-unreads))
5068 (if gnus-newsgroup-auto-expire
5069 (setq gnus-newsgroup-expirable
5070 (gnus-add-to-sorted-list
5071 gnus-newsgroup-expirable number))
5072 (push (cons number gnus-low-score-mark)
5073 gnus-newsgroup-reads))))
5075 (when gnus-tmp-header
5076 ;; We may have an old dummy line to output before this
5078 (when (and gnus-tmp-dummy-line
5081 (mail-header-subject gnus-tmp-header)))
5082 (gnus-summary-insert-dummy-line
5083 gnus-tmp-dummy-line (mail-header-number gnus-tmp-header))
5084 (setq gnus-tmp-dummy-line nil))
5086 ;; Compute the mark.
5087 (setq gnus-tmp-unread (gnus-article-mark number))
5089 (push (gnus-data-make number gnus-tmp-unread (1+ (point))
5090 gnus-tmp-header gnus-tmp-level)
5091 gnus-newsgroup-data)
5093 ;; Actually insert the line.
5095 gnus-tmp-subject-or-nil
5097 ((and gnus-thread-ignore-subject
5098 gnus-tmp-prev-subject
5099 (not (string= gnus-tmp-prev-subject simp-subject)))
5101 ((zerop gnus-tmp-level)
5102 (if (and (eq gnus-summary-make-false-root 'empty)
5103 (memq number gnus-tmp-gathered)
5104 gnus-tmp-prev-subject
5105 (string= gnus-tmp-prev-subject simp-subject))
5106 gnus-summary-same-subject
5108 (t gnus-summary-same-subject)))
5109 (if (and (eq gnus-summary-make-false-root 'adopt)
5110 (= gnus-tmp-level 1)
5111 (memq number gnus-tmp-gathered))
5112 (setq gnus-tmp-opening-bracket ?\<
5113 gnus-tmp-closing-bracket ?\>)
5114 (setq gnus-tmp-opening-bracket ?\[
5115 gnus-tmp-closing-bracket ?\]))
5117 gnus-tmp-indentation
5118 (aref gnus-thread-indent-array gnus-tmp-level)
5119 gnus-tmp-lines (mail-header-lines gnus-tmp-header)
5120 gnus-tmp-score (or (cdr (assq number gnus-newsgroup-scored))
5121 gnus-summary-default-score 0)
5123 (if (or (null gnus-summary-default-score)
5124 (<= (abs (- gnus-tmp-score gnus-summary-default-score))
5125 gnus-summary-zcore-fuzz))
5127 (if (< gnus-tmp-score gnus-summary-default-score)
5128 gnus-score-below-mark gnus-score-over-mark))
5130 (cond ((memq number gnus-newsgroup-processable)
5132 ((memq number gnus-newsgroup-cached)
5134 ((memq number gnus-newsgroup-replied)
5136 ((memq number gnus-newsgroup-forwarded)
5137 gnus-forwarded-mark)
5138 ((memq number gnus-newsgroup-saved)
5140 ((memq number gnus-newsgroup-recent)
5142 ((memq number gnus-newsgroup-unseen)
5146 (cond ((memq number gnus-newsgroup-undownloaded)
5147 gnus-undownloaded-mark)
5148 (gnus-newsgroup-agentized
5149 gnus-downloaded-mark)
5152 gnus-tmp-from (mail-header-from gnus-tmp-header)
5155 ((string-match "<[^>]+> *$" gnus-tmp-from)
5156 (setq beg-match (match-beginning 0))
5157 (or (and (string-match "^\".+\"" gnus-tmp-from)
5158 (substring gnus-tmp-from 1 (1- (match-end 0))))
5159 (substring gnus-tmp-from 0 beg-match)))
5160 ((string-match "(.+)" gnus-tmp-from)
5161 (substring gnus-tmp-from
5162 (1+ (match-beginning 0)) (1- (match-end 0))))
5166 gnus-tmp-thread-tree-header-string
5168 ((not gnus-show-threads) "")
5169 ((zerop gnus-tmp-level)
5170 (cond ((cdar thread)
5171 (or gnus-sum-thread-tree-root subject))
5172 (gnus-tmp-new-adopts
5173 (or gnus-sum-thread-tree-false-root subject))
5175 (or gnus-sum-thread-tree-single-indent subject))))
5177 (concat (apply 'concat
5178 (mapcar (lambda (item)
5180 gnus-sum-thread-tree-vertical
5181 gnus-sum-thread-tree-indent))
5182 (cdr (reverse tree-stack))))
5184 gnus-sum-thread-tree-leaf-with-other
5185 gnus-sum-thread-tree-single-leaf)))))
5186 (when (string= gnus-tmp-name "")
5187 (setq gnus-tmp-name gnus-tmp-from))
5188 (unless (numberp gnus-tmp-lines)
5189 (setq gnus-tmp-lines -1))
5190 (if (= gnus-tmp-lines -1)
5191 (setq gnus-tmp-lines "?")
5192 (setq gnus-tmp-lines (number-to-string gnus-tmp-lines)))
5193 (gnus-put-text-property
5195 (progn (eval gnus-summary-line-format-spec) (point))
5196 'gnus-number number)
5199 (gnus-run-hooks 'gnus-summary-update-hook)
5202 (setq gnus-tmp-prev-subject simp-subject)))
5204 (when (nth 1 thread)
5205 (push (list (max 0 gnus-tmp-level)
5206 (copy-sequence tree-stack)
5209 (push (if (nth 1 thread) 1 0) tree-stack)
5210 (incf gnus-tmp-level)
5211 (setq threads (if thread-end nil (cdar thread)))
5212 (if gnus-summary-display-while-building
5215 ;; use a set frequency
5216 (setq building-line-count (1- building-line-count))
5217 (when (= building-line-count 0)
5219 (setq building-line-count
5220 gnus-summary-display-while-building)))
5224 (setq gnus-tmp-level 0)))))
5225 (gnus-message 7 "Generating summary...done"))
5227 (defun gnus-summary-prepare-unthreaded (headers)
5228 "Generate an unthreaded summary buffer based on HEADERS."
5229 (let (header number mark)
5234 ;; We may have to root out some bad articles...
5235 (when (memq (setq number (mail-header-number
5236 (setq header (pop headers))))
5237 gnus-newsgroup-limit)
5238 ;; Mark article as read when it has a low score.
5239 (when (and gnus-summary-mark-below
5240 (< (or (cdr (assq number gnus-newsgroup-scored))
5241 gnus-summary-default-score 0)
5242 gnus-summary-mark-below)
5243 (not (gnus-summary-article-ancient-p number)))
5244 (setq gnus-newsgroup-unreads
5245 (delq number gnus-newsgroup-unreads))
5246 (if gnus-newsgroup-auto-expire
5247 (push number gnus-newsgroup-expirable)
5248 (push (cons number gnus-low-score-mark)
5249 gnus-newsgroup-reads)))
5251 (setq mark (gnus-article-mark number))
5252 (push (gnus-data-make number mark (1+ (point)) header 0)
5253 gnus-newsgroup-data)
5254 (gnus-summary-insert-line
5256 (memq number gnus-newsgroup-undownloaded)
5257 mark (memq number gnus-newsgroup-replied)
5258 (memq number gnus-newsgroup-expirable)
5259 (mail-header-subject header) nil
5260 (cdr (assq number gnus-newsgroup-scored))
5261 (memq number gnus-newsgroup-processable))))))
5263 (defun gnus-summary-remove-list-identifiers ()
5264 "Remove list identifiers in `gnus-list-identifiers' from articles in the current group."
5265 (let ((regexp (if (consp gnus-list-identifiers)
5266 (mapconcat 'identity gnus-list-identifiers " *\\|")
5267 gnus-list-identifiers))
5270 (setq regexp (concat "^\\(?:R[Ee]: +\\)*\\(" regexp " *\\)"))
5271 (dolist (header gnus-newsgroup-headers)
5272 (setq subject (mail-header-subject header)
5274 (while (string-match regexp subject)
5276 (concat (substring subject 0 (match-beginning 1))
5277 (substring subject (match-end 0)))
5280 (when (string-match "^\\(\\(?:R[Ee]: +\\)+\\)R[Ee]: +" subject)
5282 (concat (substring subject 0 (match-beginning 1))
5283 (substring subject (match-end 1)))))
5284 (mail-header-set-subject header subject))))))
5286 (defun gnus-fetch-headers (articles)
5287 "Fetch headers of ARTICLES."
5288 (let ((name (gnus-group-decoded-name gnus-newsgroup-name)))
5289 (gnus-message 5 "Fetching headers for %s..." name)
5292 (setq gnus-headers-retrieved-by
5293 (gnus-retrieve-headers
5294 articles gnus-newsgroup-name
5295 ;; We might want to fetch old headers, but
5296 ;; not if there is only 1 article.
5298 (not (eq gnus-fetch-old-headers 'some))
5299 (not (numberp gnus-fetch-old-headers)))
5300 (> (length articles) 1))
5301 gnus-fetch-old-headers))))
5302 (gnus-get-newsgroup-headers-xover
5303 articles nil nil gnus-newsgroup-name t)
5304 (gnus-get-newsgroup-headers))
5305 (gnus-message 5 "Fetching headers for %s...done" name))))
5307 (defun gnus-select-newsgroup (group &optional read-all select-articles)
5308 "Select newsgroup GROUP.
5309 If READ-ALL is non-nil, all articles in the group are selected.
5310 If SELECT-ARTICLES, only select those articles from GROUP."
5311 (let* ((entry (gnus-group-entry group))
5312 ;;!!! Dirty hack; should be removed.
5313 (gnus-summary-ignore-duplicates
5314 (if (eq (car (gnus-find-method-for-group group)) 'nnvirtual)
5316 gnus-summary-ignore-duplicates))
5317 (info (nth 2 entry))
5318 articles fetched-articles cached)
5320 (unless (gnus-check-server
5321 (set (make-local-variable 'gnus-current-select-method)
5322 (gnus-find-method-for-group group)))
5323 (error "Couldn't open server"))
5325 (or (and entry (not (eq (car entry) t))) ; Either it's active...
5326 (gnus-activate-group group) ; Or we can activate it...
5327 (progn ; Or we bug out.
5328 (when (equal major-mode 'gnus-summary-mode)
5329 (gnus-kill-buffer (current-buffer)))
5330 (error "Couldn't activate group %s: %s"
5331 (gnus-group-decoded-name group) (gnus-status-message group))))
5333 (unless (gnus-request-group group t)
5334 (when (equal major-mode 'gnus-summary-mode)
5335 (gnus-kill-buffer (current-buffer)))
5336 (error "Couldn't request group %s: %s"
5337 (gnus-group-decoded-name group) (gnus-status-message group)))
5340 (gnus-agent-possibly-alter-active group (gnus-active group) info)
5342 (setq gnus-summary-use-undownloaded-faces
5343 (gnus-agent-find-parameter
5345 'agent-enable-undownloaded-faces)))
5347 (setq gnus-newsgroup-name group
5348 gnus-newsgroup-unselected nil
5349 gnus-newsgroup-unreads (gnus-list-of-unread-articles group))
5351 (let ((display (gnus-group-find-parameter group 'display)))
5352 (setq gnus-newsgroup-display
5354 ((not (zerop (or (car-safe read-all) 0)))
5355 ;; The user entered the group with C-u SPC/RET, let's show
5361 (gnus-summary-display-make-predicate (mapcar 'identity display)))
5363 ;; The following is probably the "correct" solution, but
5364 ;; it makes Gnus fetch all headers and then limit the
5365 ;; articles (which is slow), so instead we hack the
5366 ;; select-articles parameter instead. -- Simon Josefsson
5369 ;; (gnus-byte-compile
5370 ;; `(lambda () (> number ,(- (cdr (gnus-active group))
5372 (setq select-articles
5373 (gnus-uncompress-range
5374 (cons (let ((tmp (- (cdr (gnus-active group)) display)))
5378 (cdr (gnus-active group)))))
5383 (gnus-summary-setup-default-charset)
5385 ;; Kludge to avoid having cached articles nixed out in virtual groups.
5386 (when (gnus-virtual-group-p group)
5387 (setq cached gnus-newsgroup-cached))
5389 (setq gnus-newsgroup-unreads
5390 (gnus-sorted-ndifference
5391 (gnus-sorted-ndifference gnus-newsgroup-unreads
5392 gnus-newsgroup-marked)
5393 gnus-newsgroup-dormant))
5395 (setq gnus-newsgroup-processable nil)
5397 (gnus-update-read-articles group gnus-newsgroup-unreads)
5399 ;; Adjust and set lists of article marks.
5401 (gnus-adjust-marked-articles info))
5402 (if (setq articles select-articles)
5403 (setq gnus-newsgroup-unselected
5404 (gnus-sorted-difference gnus-newsgroup-unreads articles))
5405 (setq articles (gnus-articles-to-read group read-all)))
5409 ;;(gnus-message 3 "Couldn't select newsgroup -- no articles to display")
5411 ((eq articles 0) nil)
5413 ;; Init the dependencies hash table.
5414 (setq gnus-newsgroup-dependencies
5415 (gnus-make-hashtable (length articles)))
5416 (gnus-set-global-variables)
5417 ;; Retrieve the headers and read them in.
5419 (setq gnus-newsgroup-headers (gnus-fetch-headers articles))
5421 ;; Kludge to avoid having cached articles nixed out in virtual groups.
5423 (setq gnus-newsgroup-cached cached))
5425 ;; Suppress duplicates?
5426 (when gnus-suppress-duplicates
5427 (gnus-dup-suppress-articles))
5429 ;; Set the initial limit.
5430 (setq gnus-newsgroup-limit (copy-sequence articles))
5431 ;; Remove canceled articles from the list of unread articles.
5432 (setq fetched-articles
5433 (mapcar (lambda (headers) (mail-header-number headers))
5434 gnus-newsgroup-headers))
5435 (setq gnus-newsgroup-articles fetched-articles)
5436 (setq gnus-newsgroup-unreads
5437 (gnus-sorted-nintersection
5438 gnus-newsgroup-unreads fetched-articles))
5439 (gnus-compute-unseen-list)
5441 ;; Removed marked articles that do not exist.
5442 (gnus-update-missing-marks
5443 (gnus-sorted-difference articles fetched-articles))
5444 ;; We might want to build some more threads first.
5445 (when (and gnus-fetch-old-headers
5446 (eq gnus-headers-retrieved-by 'nov))
5447 (if (eq gnus-fetch-old-headers 'invisible)
5448 (gnus-build-all-threads)
5449 (gnus-build-old-threads)))
5450 ;; Let the Gnus agent mark articles as read.
5452 (gnus-agent-get-undownloaded-list))
5453 ;; Remove list identifiers from subject
5454 (when gnus-list-identifiers
5455 (gnus-summary-remove-list-identifiers))
5456 ;; Check whether auto-expire is to be done in this group.
5457 (setq gnus-newsgroup-auto-expire
5458 (gnus-group-auto-expirable-p group))
5459 ;; Set up the article buffer now, if necessary.
5460 (unless (and gnus-single-article-buffer
5461 (equal gnus-article-buffer "*Article*"))
5462 (gnus-article-setup-buffer))
5463 ;; First and last article in this newsgroup.
5464 (when gnus-newsgroup-headers
5465 (setq gnus-newsgroup-begin
5466 (mail-header-number (car gnus-newsgroup-headers))
5469 (gnus-last-element gnus-newsgroup-headers))))
5470 ;; GROUP is successfully selected.
5471 (or gnus-newsgroup-headers t)))))
5473 (defun gnus-compute-unseen-list ()
5474 ;; The `seen' marks are treated specially.
5475 (if (not gnus-newsgroup-seen)
5476 (setq gnus-newsgroup-unseen gnus-newsgroup-articles)
5477 (setq gnus-newsgroup-unseen
5478 (gnus-inverse-list-range-intersection
5479 gnus-newsgroup-articles gnus-newsgroup-seen))))
5481 (defun gnus-summary-display-make-predicate (display)
5482 (require 'gnus-agent)
5483 (when (= (length display) 1)
5484 (setq display (car display)))
5485 (unless gnus-summary-display-cache
5486 (dolist (elem (append '((unread . unread)
5489 gnus-article-mark-lists))
5490 (push (cons (cdr elem)
5492 `(lambda () (gnus-article-marked-p ',(cdr elem)))))
5493 gnus-summary-display-cache)))
5494 (let ((gnus-category-predicate-alist gnus-summary-display-cache)
5495 (gnus-category-predicate-cache gnus-summary-display-cache))
5496 (gnus-get-predicate display)))
5498 ;; Uses the dynamically bound `number' variable.
5501 (defun gnus-article-marked-p (type &optional article)
5502 (let ((article (or article number)))
5505 (memq article gnus-newsgroup-marked))
5507 (memq article gnus-newsgroup-spam-marked))
5509 (memq article gnus-newsgroup-unsendable))
5510 ((eq type 'undownload)
5511 (memq article gnus-newsgroup-undownloaded))
5512 ((eq type 'download)
5513 (memq article gnus-newsgroup-downloadable))
5515 (memq article gnus-newsgroup-unreads))
5517 (memq article gnus-newsgroup-reads))
5519 (memq article gnus-newsgroup-dormant) )
5521 (memq article gnus-newsgroup-expirable))
5523 (memq article gnus-newsgroup-replied))
5525 (memq article gnus-newsgroup-killed))
5526 ((eq type 'bookmark)
5527 (assq article gnus-newsgroup-bookmarks))
5529 (assq article gnus-newsgroup-scored))
5531 (memq article gnus-newsgroup-saved))
5533 (memq article gnus-newsgroup-cached))
5535 (memq article gnus-newsgroup-forwarded))
5537 (not (memq article gnus-newsgroup-unseen)))
5539 (memq article gnus-newsgroup-recent))
5542 (defun gnus-articles-to-read (group &optional read-all)
5543 "Find out what articles the user wants to read."
5545 ;; Select all articles if `read-all' is non-nil, or if there
5546 ;; are no unread articles.
5548 (and (zerop (length gnus-newsgroup-marked))
5549 (zerop (length gnus-newsgroup-unreads)))
5550 ;; Fetch all if the predicate is non-nil.
5551 gnus-newsgroup-display)
5552 ;; We want to select the headers for all the articles in
5553 ;; the group, so we select either all the active
5554 ;; articles in the group, or (if that's nil), the
5555 ;; articles in the cache.
5557 (gnus-uncompress-range (gnus-active group))
5558 (gnus-cache-articles-in-group group))
5559 ;; Select only the "normal" subset of articles.
5561 (gnus-sorted-union gnus-newsgroup-dormant gnus-newsgroup-marked)
5562 gnus-newsgroup-unreads)))
5563 (scored-list (gnus-killed-articles gnus-newsgroup-killed articles))
5564 (scored (length scored-list))
5565 (number (length articles))
5566 (marked (+ (length gnus-newsgroup-marked)
5567 (length gnus-newsgroup-dormant)))
5572 ((numberp gnus-newsgroup-display)
5573 gnus-newsgroup-display)
5577 ((and (or (<= scored marked) (= scored number))
5578 (numberp gnus-large-newsgroup)
5579 (> number gnus-large-newsgroup))
5580 (let* ((cursor-in-echo-area nil)
5581 (initial (gnus-parameter-large-newsgroup-initial
5582 gnus-newsgroup-name))
5586 "How many articles from %s (%s %d): "
5588 (gnus-group-decoded-name gnus-newsgroup-name)
5590 (if initial "max" "default")
5593 (cons (number-to-string initial)
5595 (if (string-match "^[ \t]*$" input) number input)))
5596 ((and (> scored marked) (< scored number)
5597 (> (- scored number) 20))
5600 (format "%s %s (%d scored, %d total): "
5601 "How many articles from"
5602 (gnus-group-decoded-name group)
5604 (if (string-match "^[ \t]*$" input)
5608 (message "Quit getting the articles to read")
5610 (setq select (if (stringp select) (string-to-number select) select))
5611 (if (or (null select) (zerop select))
5613 (if (and (not (zerop scored)) (<= (abs select) scored))
5615 (setq articles (sort scored-list '<))
5616 (setq number (length articles)))
5617 (setq articles (copy-sequence articles)))
5619 (when (< (abs select) number)
5621 ;; Select the N oldest articles.
5622 (setcdr (nthcdr (1- (abs select)) articles) nil)
5623 ;; Select the N most recent articles.
5624 (setq articles (nthcdr (- number select) articles))))
5625 (setq gnus-newsgroup-unselected
5626 (gnus-sorted-difference gnus-newsgroup-unreads articles))
5627 (when gnus-alter-articles-to-read-function
5630 (funcall gnus-alter-articles-to-read-function
5631 gnus-newsgroup-name articles)
5635 (defun gnus-killed-articles (killed articles)
5638 (when (inline (gnus-member-of-range (car articles) killed))
5639 (push (car articles) out))
5640 (setq articles (cdr articles)))
5643 (defun gnus-uncompress-marks (marks)
5644 "Uncompress the mark ranges in MARKS."
5645 (let ((uncompressed '(score bookmark))
5648 (if (memq (caar marks) uncompressed)
5649 (push (car marks) out)
5650 (push (cons (caar marks) (gnus-uncompress-range (cdar marks))) out))
5651 (setq marks (cdr marks)))
5654 (defun gnus-article-mark-to-type (mark)
5655 "Return the type of MARK."
5656 (or (cadr (assq mark gnus-article-special-mark-lists))
5659 (defun gnus-article-unpropagatable-p (mark)
5660 "Return whether MARK should be propagated to back end."
5661 (memq mark gnus-article-unpropagated-mark-lists))
5663 (defun gnus-adjust-marked-articles (info)
5664 "Set all article lists and remove all marks that are no longer valid."
5665 (let* ((marked-lists (gnus-info-marks info))
5666 (active (gnus-active (gnus-info-group info)))
5669 (types gnus-article-mark-lists)
5670 marks var articles article mark mark-type
5673 (dolist (marks marked-lists)
5674 (setq mark (car marks)
5675 mark-type (gnus-article-mark-to-type mark)
5676 var (intern (format "gnus-newsgroup-%s" (car (rassq mark types)))))
5678 ;; We set the variable according to the type of the marks list,
5679 ;; and then adjust the marks to a subset of the active articles.
5681 ;; Adjust "simple" lists - compressed yet unsorted
5682 ((eq mark-type 'list)
5683 ;; Simultaneously uncompress and clip to active range
5684 ;; See gnus-uncompress-range for a description of possible marks
5686 (if (not (cadr marks))
5688 (setq articles (if (numberp (cddr marks))
5694 (while (setq article (pop articles))
5695 (cond ((consp article)
5696 (setq bgn (max (car article) min)
5697 end (min (cdr article) max))
5699 (setq l (setcdr l (cons bgn nil))
5701 ((and (<= min article)
5703 (setq l (setcdr l (cons article nil))))))
5704 (set var (cdr lh)))))
5706 ((eq mark-type 'tuple)
5707 (set var (setq articles (cdr marks)))
5708 (when (not (listp (cdr (symbol-value var))))
5709 (set var (list (symbol-value var))))
5710 (when (not (listp (cdr articles)))
5711 (setq articles (list articles)))
5713 (when (or (not (consp (setq article (pop articles))))
5714 (< (car article) min)
5715 (> (car article) max))
5716 (set var (delq article (symbol-value var))))))
5717 ;; Adjust ranges (sloppily).
5718 ((eq mark-type 'range)
5721 ;; Fix the record for `seen' if it looks like (seen NUM1 . NUM2).
5722 ;; It should be (seen (NUM1 . NUM2)).
5723 (when (numberp (cddr marks))
5724 (setcdr marks (list (cdr marks))))
5725 (setq articles (cdr marks))
5726 (while (and articles
5727 (or (and (consp (car articles))
5728 (> min (cdar articles)))
5729 (and (numberp (car articles))
5730 (> min (car articles)))))
5732 (set var articles))))))))
5734 (defun gnus-update-missing-marks (missing)
5735 "Go through the list of MISSING articles and remove them from the mark lists."
5738 ;; Go through all types.
5739 (dolist (elem gnus-article-mark-lists)
5740 (when (eq (gnus-article-mark-to-type (cdr elem)) 'list)
5741 (setq var (intern (format "gnus-newsgroup-%s" (car elem))))
5742 (when (symbol-value var)
5743 ;; This list has articles. So we delete all missing
5744 ;; articles from it.
5747 (set var (delq (pop m) (symbol-value var))))))))))
5749 (defun gnus-update-marks ()
5750 "Enter the various lists of marked articles into the newsgroup info list."
5751 (let ((types gnus-article-mark-lists)
5752 (info (gnus-get-info gnus-newsgroup-name))
5753 type list newmarked symbol delta-marks)
5755 ;; Add all marks lists to the list of marks lists.
5756 (while (setq type (pop types))
5757 (setq list (symbol-value
5759 (intern (format "gnus-newsgroup-%s" (car type))))))
5762 ;; Get rid of the entries of the articles that have the
5764 (when (and (eq (cdr type) 'score)
5768 (prev (cons nil list))
5771 (if (or (not (consp (car arts)))
5772 (= (cdar arts) gnus-summary-default-score))
5773 (setcdr prev (cdr arts))
5775 (setq arts (cdr arts)))
5776 (setq list (cdr all)))))
5778 (when (eq (cdr type) 'seen)
5779 (setq list (gnus-range-add list gnus-newsgroup-unseen)))
5781 (when (eq (gnus-article-mark-to-type (cdr type)) 'list)
5782 (setq list (gnus-compress-sequence (set symbol (sort list '<)) t)))
5784 (when (and (gnus-check-backend-function
5785 'request-set-mark gnus-newsgroup-name)
5786 (not (gnus-article-unpropagatable-p (cdr type))))
5787 (let* ((old (cdr (assq (cdr type) (gnus-info-marks info))))
5788 (del (gnus-remove-from-range (gnus-copy-sequence old) list))
5789 (add (gnus-remove-from-range
5790 (gnus-copy-sequence list) old)))
5792 (push (list add 'add (list (cdr type))) delta-marks))
5794 (push (list del 'del (list (cdr type))) delta-marks))))
5797 (push (cons (cdr type) list) newmarked)))
5800 (unless (gnus-check-group gnus-newsgroup-name)
5801 (error "Can't open server for %s" gnus-newsgroup-name))
5802 (gnus-request-set-mark gnus-newsgroup-name delta-marks))
5804 ;; Enter these new marks into the info of the group.
5806 (setcar (nthcdr 3 info) newmarked)
5807 ;; Add the marks lists to the end of the info.
5809 (setcdr (nthcdr 2 info) (list newmarked))))
5811 ;; Cut off the end of the info if there's nothing else there.
5815 (when (nthcdr (decf i) info)
5816 (setcdr (nthcdr i info) nil)))))))
5818 (defun gnus-set-mode-line (where)
5819 "Set the mode line of the article or summary buffers.
5820 If WHERE is `summary', the summary mode line format will be used."
5821 ;; Is this mode line one we keep updated?
5822 (when (and (memq where gnus-updated-mode-lines)
5824 (intern (format "gnus-%s-mode-line-format-spec" where))))
5827 ;; We evaluate this in the summary buffer since these
5828 ;; variables are buffer-local to that buffer.
5829 (set-buffer gnus-summary-buffer)
5830 ;; We bind all these variables that are used in the `eval' form
5832 (let* ((mformat (symbol-value
5834 (format "gnus-%s-mode-line-format-spec" where))))
5835 (gnus-tmp-group-name (gnus-mode-string-quote
5836 (gnus-group-decoded-name
5837 gnus-newsgroup-name)))
5838 (gnus-tmp-article-number (or gnus-current-article 0))
5839 (gnus-tmp-unread gnus-newsgroup-unreads)
5840 (gnus-tmp-unread-and-unticked (length gnus-newsgroup-unreads))
5841 (gnus-tmp-unselected (length gnus-newsgroup-unselected))
5842 (gnus-tmp-unread-and-unselected
5843 (cond ((and (zerop gnus-tmp-unread-and-unticked)
5844 (zerop gnus-tmp-unselected))
5846 ((zerop gnus-tmp-unselected)
5847 (format "{%d more}" gnus-tmp-unread-and-unticked))
5848 (t (format "{%d(+%d) more}"
5849 gnus-tmp-unread-and-unticked
5850 gnus-tmp-unselected))))
5852 (if (and gnus-current-headers
5853 (vectorp gnus-current-headers))
5854 (gnus-mode-string-quote
5855 (mail-header-subject gnus-current-headers))
5857 bufname-length max-len
5858 gnus-tmp-header) ;; passed as argument to any user-format-funcs
5859 (setq mode-string (eval mformat))
5860 (setq bufname-length (if (string-match "%b" mode-string)
5863 (if (eq where 'summary)
5865 (get-buffer gnus-article-buffer))))
5868 (setq max-len (max 4 (if gnus-mode-non-string-length
5870 gnus-mode-non-string-length
5872 (length mode-string))))
5873 ;; We might have to chop a bit of the string off...
5874 (when (> (length mode-string) max-len)
5876 (concat (truncate-string-to-width mode-string (- max-len 3))
5878 ;; Pad the mode string a bit.
5879 (setq mode-string (format (format "%%-%ds" max-len) mode-string))))
5880 ;; Update the mode line.
5881 (setq mode-line-buffer-identification
5882 (gnus-mode-line-buffer-identification (list mode-string)))
5883 (set-buffer-modified-p t))))
5885 (defun gnus-create-xref-hashtb (from-newsgroup headers unreads)
5886 "Go through the HEADERS list and add all Xrefs to a hash table.
5887 The resulting hash table is returned, or nil if no Xrefs were found."
5888 (let* ((virtual (gnus-virtual-group-p from-newsgroup))
5889 (prefix (if virtual "" (gnus-group-real-prefix from-newsgroup)))
5890 (xref-hashtb (gnus-make-hashtable))
5891 start group entry number xrefs header)
5893 (setq header (pop headers))
5894 (when (and (setq xrefs (mail-header-xref header))
5895 (not (memq (setq number (mail-header-number header))
5898 (while (string-match "\\([^ ]+\\)[:/]\\([0-9]+\\)" xrefs start)
5899 (setq start (match-end 0))
5900 (setq group (if prefix
5901 (concat prefix (substring xrefs (match-beginning 1)
5903 (substring xrefs (match-beginning 1) (match-end 1))))
5905 (string-to-number (substring xrefs (match-beginning 2)
5907 (if (setq entry (gnus-gethash group xref-hashtb))
5908 (setcdr entry (cons number (cdr entry)))
5909 (gnus-sethash group (cons number nil) xref-hashtb)))))
5910 (and start xref-hashtb)))
5912 (defun gnus-mark-xrefs-as-read (from-newsgroup headers unreads)
5913 "Look through all the headers and mark the Xrefs as read."
5914 (let ((virtual (gnus-virtual-group-p from-newsgroup))
5915 name info xref-hashtb idlist method nth4)
5917 (set-buffer gnus-group-buffer)
5918 (when (setq xref-hashtb
5919 (gnus-create-xref-hashtb from-newsgroup headers unreads))
5922 (unless (string= from-newsgroup (setq name (symbol-name group)))
5923 (setq idlist (symbol-value group))
5924 ;; Dead groups are not updated.
5926 (setq info (gnus-get-info name))
5927 (when (stringp (setq nth4 (gnus-info-method info)))
5928 (setq nth4 (gnus-server-to-method nth4))))
5929 ;; Only do the xrefs if the group has the same
5930 ;; select method as the group we have just read.
5931 (or (gnus-methods-equal-p
5932 nth4 (gnus-find-method-for-group from-newsgroup))
5934 (equal nth4 (setq method (gnus-find-method-for-group
5936 (and (equal (car nth4) (car method))
5937 (equal (nth 1 nth4) (nth 1 method))))
5938 gnus-use-cross-reference
5939 (or (not (eq gnus-use-cross-reference t))
5941 ;; Only do cross-references on subscribed
5942 ;; groups, if that is what is wanted.
5943 (<= (gnus-info-level info) gnus-level-subscribed))
5944 (gnus-group-make-articles-read name idlist))))
5947 (defun gnus-compute-read-articles (group articles)
5948 (let* ((entry (gnus-group-entry group))
5949 (info (nth 2 entry))
5950 (active (gnus-active group))
5953 ;; First peel off all invalid article numbers.
5955 (let ((ids articles)
5957 (while (setq id (pop ids))
5958 (when (and first (> id (cdr active)))
5959 ;; We'll end up in this situation in one particular
5960 ;; obscure situation. If you re-scan a group and get
5961 ;; a new article that is cross-posted to a different
5962 ;; group that has not been re-scanned, you might get
5963 ;; crossposted article that has a higher number than
5964 ;; Gnus believes possible. So we re-activate this
5965 ;; group as well. This might mean doing the
5966 ;; crossposting thingy will *increase* the number
5967 ;; of articles in some groups. Tsk, tsk.
5968 (setq active (or (gnus-activate-group group) active)))
5969 (when (or (> id (cdr active))
5970 (< id (car active)))
5971 (setq articles (delq id articles))))))
5972 ;; If the read list is nil, we init it.
5974 (null (gnus-info-read info))
5976 (setq ninfo (cons 1 (1- (car active))))
5977 (setq ninfo (gnus-info-read info)))
5978 ;; Then we add the read articles to the range.
5980 ninfo (setq articles (sort articles '<))))))
5982 (defun gnus-group-make-articles-read (group articles)
5983 "Update the info of GROUP to say that ARTICLES are read."
5985 (entry (gnus-group-entry group))
5986 (info (nth 2 entry))
5987 (active (gnus-active group))
5990 (setq range (gnus-compute-read-articles group articles))
5991 (with-current-buffer gnus-group-buffer
5994 (gnus-info-set-marks ',info ',(gnus-info-marks info) t)
5995 (gnus-info-set-read ',info ',(gnus-info-read info))
5996 (gnus-get-unread-articles-in-group ',info (gnus-active ,group))
5997 (gnus-request-set-mark ,group (list (list ',range 'del '(read))))
5998 (gnus-group-update-group ,group t))))
5999 ;; Add the read articles to the range.
6000 (gnus-info-set-read info range)
6001 (gnus-request-set-mark group (list (list range 'add '(read))))
6002 ;; Then we have to re-compute how many unread
6003 ;; articles there are in this group.
6007 (setq num (- (1+ (cdr active)) (car active))))
6008 ((not (listp (cdr range)))
6009 (setq num (- (cdr active) (- (1+ (cdr range))
6013 (if (numberp (car range))
6015 (setq num (+ num (- (1+ (cdar range)) (caar range)))))
6016 (setq range (cdr range)))
6017 (setq num (- (cdr active) num))))
6018 ;; Update the number of unread articles.
6020 ;; Update the group buffer.
6021 (unless (gnus-ephemeral-group-p group)
6022 (gnus-group-update-group group t))))))
6024 (defvar gnus-newsgroup-none-id 0)
6026 (defun gnus-get-newsgroup-headers (&optional dependencies force-new)
6027 (let ((cur nntp-server-buffer)
6030 (with-current-buffer gnus-summary-buffer
6031 gnus-newsgroup-dependencies)))
6032 headers id end ref number
6033 (mail-parse-charset gnus-newsgroup-charset)
6034 (mail-parse-ignored-charsets
6035 (save-excursion (condition-case nil
6036 (set-buffer gnus-summary-buffer)
6038 gnus-newsgroup-ignored-charsets)))
6040 (set-buffer nntp-server-buffer)
6041 ;; Translate all TAB characters into SPACE characters.
6042 (subst-char-in-region (point-min) (point-max) ?\t ? t)
6043 (subst-char-in-region (point-min) (point-max) ?\r ? t)
6044 (ietf-drums-unfold-fws)
6045 (gnus-run-hooks 'gnus-parse-headers-hook)
6046 (let ((case-fold-search t)
6047 in-reply-to header p lines chars)
6048 (goto-char (point-min))
6049 ;; Search to the beginning of the next header. Error messages
6050 ;; do not begin with 2 or 3.
6051 (while (re-search-forward "^[23][0-9]+ " nil t)
6054 ;; This implementation of this function, with nine
6055 ;; search-forwards instead of the one re-search-forward and
6056 ;; a case (which basically was the old function) is actually
6057 ;; about twice as fast, even though it looks messier. You
6058 ;; can't have everything, I guess. Speed and elegance
6059 ;; doesn't always go hand in hand.
6065 (setq number (read cur))
6068 (narrow-to-region (point)
6069 (or (and (search-forward "\n.\n" nil t)
6075 (if (search-forward "\nsubject:" nil t)
6076 (funcall gnus-decode-encoded-word-function
6077 (nnheader-header-value))
6082 (if (search-forward "\nfrom:" nil t)
6083 (funcall gnus-decode-encoded-address-function
6084 (nnheader-header-value))
6089 (if (search-forward "\ndate:" nil t)
6090 (nnheader-header-value) ""))
6094 (setq id (if (re-search-forward
6095 "^message-id: *\\(<[^\n\t> ]+>\\)" nil t)
6096 ;; We do it this way to make sure the Message-ID
6097 ;; is (somewhat) syntactically valid.
6098 (buffer-substring (match-beginning 1)
6100 ;; If there was no message-id, we just fake one
6101 ;; to make subsequent routines simpler.
6102 (nnheader-generate-fake-message-id number))))
6106 (if (search-forward "\nreferences:" nil t)
6110 (nnheader-header-value)
6115 (search-backward ">" end t)
6118 (search-backward "<" end t)
6120 ;; Get the references from the in-reply-to header if there
6121 ;; were no references and the in-reply-to header looks
6123 (if (and (search-forward "\nin-reply-to:" nil t)
6124 (setq in-reply-to (nnheader-header-value))
6125 (string-match "<[^>]+>" in-reply-to))
6127 (setq ref (substring in-reply-to (match-beginning 0)
6129 (while (string-match "<[^>]+>" in-reply-to (match-end 0))
6130 (setq ref2 (substring in-reply-to (match-beginning 0)
6132 (when (> (length ref2) (length ref))
6139 (if (search-forward "\nchars: " nil t)
6140 (if (numberp (setq chars (ignore-errors (read cur))))
6146 (if (search-forward "\nlines: " nil t)
6147 (if (numberp (setq lines (ignore-errors (read cur))))
6153 (and (search-forward "\nxref:" nil t)
6154 (nnheader-header-value)))
6156 (when gnus-extra-headers
6157 (let ((extra gnus-extra-headers)
6161 (when (search-forward
6162 (concat "\n" (symbol-name (car extra)) ":") nil t)
6163 (push (cons (car extra) (nnheader-header-value))
6167 (when (equal id ref)
6170 (when gnus-alter-header-function
6171 (funcall gnus-alter-header-function header)
6172 (setq id (mail-header-id header)
6173 ref (gnus-parent-id (mail-header-references header))))
6176 (gnus-dependencies-add-header
6177 header dependencies force-new))
6178 (push header headers))
6179 (goto-char (point-max))
6181 (nreverse headers)))))
6183 ;; Goes through the xover lines and returns a list of vectors
6184 (defun gnus-get-newsgroup-headers-xover (sequence &optional
6185 force-new dependencies
6186 group also-fetch-heads)
6187 "Parse the news overview data in the server buffer.
6188 Return a list of headers that match SEQUENCE (see
6189 `nntp-retrieve-headers')."
6190 ;; Get the Xref when the users reads the articles since most/some
6191 ;; NNTP servers do not include Xrefs when using XOVER.
6192 (setq gnus-article-internal-prepare-hook '(gnus-article-get-xrefs))
6193 (let ((mail-parse-charset gnus-newsgroup-charset)
6194 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets)
6195 (cur nntp-server-buffer)
6196 (dependencies (or dependencies gnus-newsgroup-dependencies))
6198 ((eq gnus-read-all-available-headers t)
6200 ((and (stringp gnus-read-all-available-headers)
6202 (string-match gnus-read-all-available-headers group))
6205 number headers header)
6207 (set-buffer nntp-server-buffer)
6208 (subst-char-in-region (point-min) (point-max) ?\r ? t)
6209 ;; Allow the user to mangle the headers before parsing them.
6210 (gnus-run-hooks 'gnus-parse-headers-hook)
6211 (goto-char (point-min))
6212 (gnus-parse-without-error
6213 (while (and (or sequence allp)
6215 (setq number (read cur))
6217 (while (and sequence
6218 (< (car sequence) number))
6219 (setq sequence (cdr sequence))))
6222 (eq number (car sequence))))
6224 (setq sequence (cdr sequence))
6225 (setq header (inline
6226 (gnus-nov-parse-line
6227 number dependencies force-new)))))
6228 (push header headers))
6230 ;; A common bug in inn is that if you have posted an article and
6231 ;; then retrieves the active file, it will answer correctly --
6232 ;; the new article is included. However, a NOV entry for the
6233 ;; article may not have been generated yet, so this may fail.
6234 ;; We work around this problem by retrieving the last few
6235 ;; headers using HEAD.
6236 (if (or (not also-fetch-heads)
6238 ;; We (probably) got all the headers.
6240 (let ((gnus-nov-is-evil t))
6243 (when (eq (gnus-retrieve-headers sequence group) 'headers)
6244 (gnus-get-newsgroup-headers))))))))
6246 (defun gnus-article-get-xrefs ()
6247 "Fill in the Xref value in `gnus-current-headers', if necessary.
6248 This is meant to be called in `gnus-article-internal-prepare-hook'."
6249 (let ((headers (with-current-buffer gnus-summary-buffer
6250 gnus-current-headers)))
6251 (or (not gnus-use-cross-reference)
6253 (and (mail-header-xref headers)
6254 (not (string= (mail-header-xref headers) "")))
6255 (let ((case-fold-search t)
6258 (nnheader-narrow-to-headers)
6259 (goto-char (point-min))
6260 (when (or (and (not (eobp))
6261 (eq (downcase (char-after)) ?x)
6262 (looking-at "Xref:"))
6263 (search-forward "\nXref:" nil t))
6264 (goto-char (1+ (match-end 0)))
6265 (setq xref (buffer-substring (point) (point-at-eol)))
6266 (mail-header-set-xref headers xref)))))))
6268 (defun gnus-summary-insert-subject (id &optional old-header use-old-header)
6269 "Find article ID and insert the summary line for that article.
6270 OLD-HEADER can either be a header or a line number to insert
6271 the subject line on."
6272 (let* ((line (and (numberp old-header) old-header))
6273 (old-header (and (vectorp old-header) old-header))
6274 (header (cond ((and old-header use-old-header)
6277 (gnus-number-to-header id))
6278 (gnus-number-to-header id))
6280 (gnus-read-header id))))
6281 (number (and (numberp id) id))
6284 ;; Rebuild the thread that this article is part of and go to the
6285 ;; article we have fetched.
6286 (when (and (not gnus-show-threads)
6289 (setq d (gnus-data-find (mail-header-number old-header))))
6290 (goto-char (gnus-data-pos d))
6296 (gnus-delete-line))))))
6297 ;; Remove list identifiers from subject.
6298 (when gnus-list-identifiers
6299 (let ((gnus-newsgroup-headers (list header)))
6300 (gnus-summary-remove-list-identifiers)))
6302 (mail-header-set-number header (mail-header-number old-header)))
6303 (setq gnus-newsgroup-sparse
6304 (delq (setq number (mail-header-number header))
6305 gnus-newsgroup-sparse))
6306 (setq gnus-newsgroup-ancient (delq number gnus-newsgroup-ancient))
6307 (push number gnus-newsgroup-limit)
6308 (gnus-rebuild-thread (mail-header-id header) line)
6309 (gnus-summary-goto-subject number nil t))
6310 (when (and (numberp number)
6312 ;; We have to update the boundaries even if we can't fetch the
6313 ;; article if ID is a number -- so that the next `P' or `N'
6314 ;; command will fetch the previous (or next) article even
6315 ;; if the one we tried to fetch this time has been canceled.
6316 (when (> number gnus-newsgroup-end)
6317 (setq gnus-newsgroup-end number))
6318 (when (< number gnus-newsgroup-begin)
6319 (setq gnus-newsgroup-begin number))
6320 (setq gnus-newsgroup-unselected
6321 (delq number gnus-newsgroup-unselected)))
6322 ;; Report back a success?
6323 (and header (mail-header-number header))))
6325 ;;; Process/prefix in the summary buffer
6327 (defun gnus-summary-work-articles (n)
6328 "Return a list of articles to be worked upon.
6329 The prefix argument, the list of process marked articles, and the
6330 current article will be taken into consideration."
6332 (set-buffer gnus-summary-buffer)
6335 ;; A numerical prefix has been given.
6336 (setq n (prefix-numeric-value n))
6337 (let ((backward (< n 0))
6338 (n (abs (prefix-numeric-value n)))
6343 (push (setq article (gnus-summary-article-number))
6346 (gnus-summary-find-prev nil article)
6347 (gnus-summary-find-next nil article)))
6349 (nreverse articles)))
6350 ((and (gnus-region-active-p) (mark))
6351 (message "region active")
6352 ;; Work on the region between point and mark.
6353 (let ((max (max (point) (mark)))
6356 (goto-char (min (point) (mark)))
6359 (push (setq article (gnus-summary-article-number)) articles)
6360 (gnus-summary-find-next nil article)
6362 (nreverse articles))))
6363 (gnus-newsgroup-processable
6364 ;; There are process-marked articles present.
6365 ;; Save current state.
6366 (gnus-summary-save-process-mark)
6368 (reverse gnus-newsgroup-processable))
6370 ;; Just return the current article.
6371 (list (gnus-summary-article-number))))))
6373 (defmacro gnus-summary-iterate (arg &rest forms)
6374 "Iterate over the process/prefixed articles and do FORMS.
6375 ARG is the interactive prefix given to the command. FORMS will be
6376 executed with point over the summary line of the articles."
6377 (let ((articles (make-symbol "gnus-summary-iterate-articles")))
6378 `(let ((,articles (gnus-summary-work-articles ,arg)))
6380 (gnus-summary-goto-subject (car ,articles))
6384 (put 'gnus-summary-iterate 'lisp-indent-function 1)
6385 (put 'gnus-summary-iterate 'edebug-form-spec '(form body))
6387 (defun gnus-summary-save-process-mark ()
6388 "Push the current set of process marked articles on the stack."
6390 (push (copy-sequence gnus-newsgroup-processable)
6391 gnus-newsgroup-process-stack))
6393 (defun gnus-summary-kill-process-mark ()
6394 "Push the current set of process marked articles on the stack and unmark."
6396 (gnus-summary-save-process-mark)
6397 (gnus-summary-unmark-all-processable))
6399 (defun gnus-summary-yank-process-mark ()
6400 "Pop the last process mark state off the stack and restore it."
6402 (unless gnus-newsgroup-process-stack
6403 (error "Empty mark stack"))
6404 (gnus-summary-process-mark-set (pop gnus-newsgroup-process-stack)))
6406 (defun gnus-summary-process-mark-set (set)
6407 "Make SET into the current process marked articles."
6408 (gnus-summary-unmark-all-processable)
6409 (mapc 'gnus-summary-set-process-mark set))
6411 ;;; Searching and stuff
6413 (defun gnus-summary-search-group (&optional backward use-level)
6414 "Search for next unread newsgroup.
6415 If optional argument BACKWARD is non-nil, search backward instead."
6417 (set-buffer gnus-group-buffer)
6418 (when (gnus-group-search-forward
6419 backward nil (if use-level (gnus-group-group-level) nil))
6420 (gnus-group-group-name))))
6422 (defun gnus-summary-best-group (&optional exclude-group)
6423 "Find the name of the best unread group.
6424 If EXCLUDE-GROUP, do not go to this group."
6425 (with-current-buffer gnus-group-buffer
6427 (gnus-group-best-unread-group exclude-group))))
6429 (defun gnus-summary-find-next (&optional unread article backward)
6431 (gnus-summary-find-prev unread article)
6432 (let* ((dummy (gnus-summary-article-intangible-p))
6433 (article (or article (gnus-summary-article-number)))
6434 (data (gnus-data-find-list article))
6436 (when (and (not dummy)
6437 (or (not gnus-summary-check-current)
6439 (not (gnus-data-unread-p (car data)))))
6440 (setq data (cdr data)))
6445 (unless (memq (gnus-data-number (car data))
6447 ((eq gnus-auto-goto-ignores
6448 'always-undownloaded)
6449 gnus-newsgroup-undownloaded)
6452 ((eq gnus-auto-goto-ignores
6454 gnus-newsgroup-unfetched)
6455 ((eq gnus-auto-goto-ignores
6457 gnus-newsgroup-undownloaded)))
6458 (when (gnus-data-unread-p (car data))
6459 (setq result (car data)
6461 (setq data (cdr data)))
6464 (goto-char (gnus-data-pos result))
6465 (gnus-data-number result)))))
6467 (defun gnus-summary-find-prev (&optional unread article)
6468 (let* ((eobp (eobp))
6469 (article (or article (gnus-summary-article-number)))
6470 (data (gnus-data-find-list article (gnus-data-list 'rev)))
6472 (when (and (not eobp)
6473 (or (not gnus-summary-check-current)
6475 (not (gnus-data-unread-p (car data)))))
6476 (setq data (cdr data)))
6481 (unless (memq (gnus-data-number (car data))
6483 ((eq gnus-auto-goto-ignores
6484 'always-undownloaded)
6485 gnus-newsgroup-undownloaded)
6488 ((eq gnus-auto-goto-ignores
6490 gnus-newsgroup-unfetched)
6491 ((eq gnus-auto-goto-ignores
6493 gnus-newsgroup-undownloaded)))
6494 (when (gnus-data-unread-p (car data))
6495 (setq result (car data)
6497 (setq data (cdr data)))
6500 (goto-char (gnus-data-pos result))
6501 (gnus-data-number result))))
6503 (defun gnus-summary-find-subject (subject &optional unread backward article)
6504 (let* ((simp-subject (gnus-simplify-subject-fully subject))
6505 (article (or article (gnus-summary-article-number)))
6506 (articles (gnus-data-list backward))
6507 (arts (gnus-data-find-list article articles))
6509 (when (or (not gnus-summary-check-current)
6511 (not (gnus-data-unread-p (car arts))))
6512 (setq arts (cdr arts)))
6514 (and (or (not unread)
6515 (gnus-data-unread-p (car arts)))
6516 (vectorp (gnus-data-header (car arts)))
6518 simp-subject (mail-header-subject (gnus-data-header (car arts))) t)
6519 (setq result (car arts)
6521 (setq arts (cdr arts)))
6523 (goto-char (gnus-data-pos result))
6524 (gnus-data-number result))))
6526 (defun gnus-summary-search-forward (&optional unread subject backward)
6527 "Search forward for an article.
6528 If UNREAD, look for unread articles. If SUBJECT, look for
6529 articles with that subject. If BACKWARD, search backward instead."
6530 (cond (subject (gnus-summary-find-subject subject unread backward))
6531 (backward (gnus-summary-find-prev unread))
6532 (t (gnus-summary-find-next unread))))
6534 (defun gnus-recenter (&optional n)
6535 "Center point in window and redisplay frame.
6536 Also do horizontal recentering."
6538 (when (and gnus-auto-center-summary
6539 (not (eq gnus-auto-center-summary 'vertical)))
6540 (gnus-horizontal-recenter))
6543 (defun gnus-summary-recenter ()
6544 "Center point in the summary window.
6545 If `gnus-auto-center-summary' is nil, or the article buffer isn't
6546 displayed, no centering will be performed."
6547 ;; Suggested by earle@mahendo.JPL.NASA.GOV (Greg Earle).
6548 ;; Recenter only when requested. Suggested by popovich@park.cs.columbia.edu.
6550 ;; The user has to want it.
6551 (when gnus-auto-center-summary
6552 (let* ((top (cond ((< (window-height) 4) 0)
6553 ((< (window-height) 7) 1)
6554 (t (if (numberp gnus-auto-center-summary)
6555 gnus-auto-center-summary
6556 (/ (1- (window-height)) 2)))))
6557 (height (1- (window-height)))
6558 (bottom (save-excursion (goto-char (point-max))
6559 (forward-line (- height))
6561 (window (get-buffer-window (current-buffer))))
6562 (when (get-buffer-window gnus-article-buffer)
6563 ;; Only do recentering when the article buffer is displayed,
6564 ;; Set the window start to either `bottom', which is the biggest
6565 ;; possible valid number, or the second line from the top,
6566 ;; whichever is the least.
6567 (let ((top-pos (save-excursion (forward-line (- top)) (point))))
6568 (if (> bottom top-pos)
6569 ;; Keep the second line from the top visible
6570 (set-window-start window top-pos t)
6571 ;; Try to keep the bottom line visible; if it's partially
6572 ;; obscured, either scroll one more line to make it fully
6573 ;; visible, or revert to using TOP-POS.
6575 (goto-char (point-max))
6577 (let ((last-line-start (point)))
6579 (set-window-start window (point) t)
6580 (when (not (pos-visible-in-window-p last-line-start window))
6582 (set-window-start window (min (point) top-pos) t)))))))
6583 ;; Do horizontal recentering while we're at it.
6584 (when (and (get-buffer-window (current-buffer) t)
6585 (not (eq gnus-auto-center-summary 'vertical)))
6586 (let ((selected (selected-window)))
6587 (select-window (get-buffer-window (current-buffer) t))
6588 (gnus-summary-position-point)
6589 (gnus-horizontal-recenter)
6590 (select-window selected))))))
6592 (defun gnus-summary-jump-to-group (newsgroup)
6593 "Move point to NEWSGROUP in group mode buffer."
6594 ;; Keep update point of group mode buffer if visible.
6595 (if (eq (current-buffer) (get-buffer gnus-group-buffer))
6596 (save-window-excursion
6597 ;; Take care of tree window mode.
6598 (when (get-buffer-window gnus-group-buffer)
6599 (pop-to-buffer gnus-group-buffer))
6600 (gnus-group-jump-to-group newsgroup))
6602 ;; Take care of tree window mode.
6603 (if (get-buffer-window gnus-group-buffer)
6604 (pop-to-buffer gnus-group-buffer)
6605 (set-buffer gnus-group-buffer))
6606 (gnus-group-jump-to-group newsgroup))))
6608 ;; This function returns a list of article numbers based on the
6609 ;; difference between the ranges of read articles in this group and
6610 ;; the range of active articles.
6611 (defun gnus-list-of-unread-articles (group)
6612 (let* ((read (gnus-info-read (gnus-get-info group)))
6613 (active (or (gnus-active group) (gnus-activate-group group)))
6614 (last (or (cdr active)
6615 (error "Group %s couldn't be activated " group)))
6617 ;; If none are read, then all are unread.
6619 (setq first (car active))
6620 ;; If the range of read articles is a single range, then the
6621 ;; first unread article is the article after the last read
6622 ;; article. Sounds logical, doesn't it?
6623 (if (and (not (listp (cdr read)))
6624 (or (< (car read) (car active))
6625 (progn (setq read (list read))
6627 (setq first (max (car active) (1+ (cdr read))))
6628 ;; `read' is a list of ranges.
6629 (when (/= (setq nlast (or (and (numberp (car read)) (car read))
6632 (setq first (car active)))
6635 (while (< first nlast)
6636 (setq unread (cons first unread)
6638 (setq first (1+ (if (atom (car read)) (car read) (cdar read))))
6639 (setq nlast (if (atom (cadr read)) (cadr read) (caadr read)))
6640 (setq read (cdr read)))))
6641 ;; And add the last unread articles.
6642 (while (<= first last)
6643 (setq unread (cons first unread)
6645 ;; Return the list of unread articles.
6646 (delq 0 (nreverse unread))))
6648 (defun gnus-list-of-read-articles (group)
6649 "Return a list of unread, unticked and non-dormant articles."
6650 (let* ((info (gnus-get-info group))
6651 (marked (gnus-info-marks info))
6652 (active (gnus-active group)))
6654 (gnus-list-range-difference
6655 (gnus-list-range-difference
6656 (gnus-sorted-complement
6657 (gnus-uncompress-range active)
6658 (gnus-list-of-unread-articles group))
6659 (cdr (assq 'dormant marked)))
6660 (cdr (assq 'tick marked))))))
6662 ;; This function returns a sequence of article numbers based on the
6663 ;; difference between the ranges of read articles in this group and
6664 ;; the range of active articles.
6665 (defun gnus-sequence-of-unread-articles (group)
6666 (let* ((read (gnus-info-read (gnus-get-info group)))
6667 (active (or (gnus-active group) (gnus-activate-group group)))
6670 ;; If none are read, then all are unread.
6672 (setq first (car active))
6673 ;; If the range of read articles is a single range, then the
6674 ;; first unread article is the article after the last read
6675 ;; article. Sounds logical, doesn't it?
6676 (if (and (not (listp (cdr read)))
6677 (or (< (car read) (car active))
6678 (progn (setq read (list read))
6680 (setq first (max (car active) (1+ (cdr read))))
6681 ;; `read' is a list of ranges.
6682 (when (/= (setq nlast (or (and (numberp (car read)) (car read))
6685 (setq first (car active)))
6688 (push (cons first nlast) unread))
6689 (setq first (1+ (if (atom (car read)) (car read) (cdar read))))
6690 (setq nlast (if (atom (cadr read)) (cadr read) (caadr read)))
6691 (setq read (cdr read)))))
6692 ;; And add the last unread articles.
6693 (cond ((not (and first last))
6696 (push (cons first last) unread))
6698 (push first unread)))
6699 ;; Return the sequence of unread articles.
6700 (delq 0 (nreverse unread))))
6702 ;; Various summary commands
6704 (defun gnus-summary-select-article-buffer ()
6705 "Reconfigure windows to show article buffer."
6707 (if (not (gnus-buffer-live-p gnus-article-buffer))
6708 (error "There is no article buffer for this summary buffer")
6709 (gnus-configure-windows 'article)
6710 (select-window (get-buffer-window gnus-article-buffer))))
6712 (defun gnus-summary-universal-argument (arg)
6713 "Perform any operation on all articles that are process/prefixed."
6715 (let ((articles (gnus-summary-work-articles arg))
6722 (substitute-command-keys
6723 "\\<gnus-summary-mode-map>\\[gnus-summary-universal-argument]"))))
6725 (gnus-error 1 "Undefined key")
6728 (gnus-summary-goto-subject (setq article (pop articles)))
6729 (let (gnus-newsgroup-processable)
6730 (command-execute func))
6731 (gnus-summary-remove-process-mark article)))))
6732 (gnus-summary-position-point))
6734 (defun gnus-summary-toggle-truncation (&optional arg)
6735 "Toggle truncation of summary lines.
6736 With ARG, turn line truncation on if ARG is positive."
6738 (setq truncate-lines
6739 (if (null arg) (not truncate-lines)
6740 (> (prefix-numeric-value arg) 0)))
6743 (defun gnus-summary-find-for-reselect ()
6744 "Return the number of an article to stay on across a reselect.
6745 The current article is considered, then following articles, then previous
6746 articles. An article is sought which is not cancelled and isn't a temporary
6747 insertion from another group. If there's no such then return a dummy 0."
6749 (dolist (rev '(nil t))
6750 (unless found ; don't demand the reverse list if we don't need it
6751 (let ((data (gnus-data-find-list
6752 (gnus-summary-article-number) (gnus-data-list rev))))
6753 (while (and data (not found))
6754 (if (and (< 0 (gnus-data-number (car data)))
6755 (not (eq gnus-canceled-mark (gnus-data-mark (car data)))))
6756 (setq found (gnus-data-number (car data))))
6757 (setq data (cdr data))))))
6760 (defun gnus-summary-reselect-current-group (&optional all rescan)
6761 "Exit and then reselect the current newsgroup.
6762 The prefix argument ALL means to select all articles."
6764 (when (gnus-ephemeral-group-p gnus-newsgroup-name)
6765 (error "Ephemeral groups can't be reselected"))
6766 (let ((current-subject (gnus-summary-find-for-reselect))
6767 (group gnus-newsgroup-name))
6768 (setq gnus-newsgroup-begin nil)
6769 (gnus-summary-exit nil 'leave-hidden)
6770 ;; We have to adjust the point of group mode buffer because
6771 ;; point was moved to the next unread newsgroup by exiting.
6772 (gnus-summary-jump-to-group group)
6775 (gnus-group-get-new-news-this-group 1)))
6776 (gnus-group-read-group all t)
6777 (gnus-summary-goto-subject current-subject nil t)))
6779 (defun gnus-summary-rescan-group (&optional all)
6780 "Exit the newsgroup, ask for new articles, and select the newsgroup."
6782 (gnus-summary-reselect-current-group all t))
6784 (defun gnus-summary-update-info (&optional non-destructive)
6786 (let ((group gnus-newsgroup-name))
6788 (when gnus-newsgroup-kill-headers
6789 (setq gnus-newsgroup-killed
6790 (gnus-compress-sequence
6792 (gnus-list-range-intersection
6793 gnus-newsgroup-unselected gnus-newsgroup-killed)
6794 gnus-newsgroup-unreads)
6796 (unless (listp (cdr gnus-newsgroup-killed))
6797 (setq gnus-newsgroup-killed (list gnus-newsgroup-killed)))
6798 (let ((headers gnus-newsgroup-headers))
6799 ;; Set the new ranges of read articles.
6800 (with-current-buffer gnus-group-buffer
6801 (gnus-undo-force-boundary))
6802 (gnus-update-read-articles
6803 group (gnus-sorted-union
6804 gnus-newsgroup-unreads gnus-newsgroup-unselected))
6805 ;; Set the current article marks.
6806 (let ((gnus-newsgroup-scored
6807 (if (and (not gnus-save-score)
6808 (not non-destructive))
6810 gnus-newsgroup-scored)))
6812 (gnus-update-marks)))
6813 ;; Do the cross-ref thing.
6814 (when gnus-use-cross-reference
6815 (gnus-mark-xrefs-as-read group headers gnus-newsgroup-unreads))
6816 ;; Do not switch windows but change the buffer to work.
6817 (set-buffer gnus-group-buffer)
6818 (unless (gnus-ephemeral-group-p group)
6819 (gnus-group-update-group group)))))))
6821 (defun gnus-summary-save-newsrc (&optional force)
6822 "Save the current number of read/marked articles in the dribble buffer.
6823 The dribble buffer will then be saved.
6824 If FORCE (the prefix), also save the .newsrc file(s)."
6826 (gnus-summary-update-info t)
6828 (gnus-save-newsrc-file)
6829 (gnus-dribble-save)))
6831 (defun gnus-summary-exit (&optional temporary leave-hidden)
6832 "Exit reading current newsgroup, and then return to group selection mode.
6833 `gnus-exit-group-hook' is called with no arguments if that value is non-nil."
6835 (gnus-set-global-variables)
6836 (when (gnus-buffer-live-p gnus-article-buffer)
6838 (set-buffer gnus-article-buffer)
6839 (mm-destroy-parts gnus-article-mime-handles)
6840 ;; Set it to nil for safety reason.
6841 (setq gnus-article-mime-handle-alist nil)
6842 (setq gnus-article-mime-handles nil)))
6843 (gnus-kill-save-kill-buffer)
6844 (gnus-async-halt-prefetch)
6845 (let* ((group gnus-newsgroup-name)
6846 (quit-config (gnus-group-quit-config gnus-newsgroup-name))
6847 (gnus-group-is-exiting-p t)
6850 (buf (current-buffer)))
6852 ;; Do adaptive scoring, and possibly save score files.
6853 (when gnus-newsgroup-adaptive
6854 (gnus-score-adaptive))
6855 (when gnus-use-scoring
6857 (gnus-run-hooks 'gnus-summary-prepare-exit-hook)
6858 ;; If we have several article buffers, we kill them at exit.
6859 (unless gnus-single-article-buffer
6860 (gnus-kill-buffer gnus-article-buffer)
6861 (gnus-kill-buffer gnus-original-article-buffer)
6862 (setq gnus-article-current nil))
6863 (when gnus-use-cache
6864 (gnus-cache-possibly-remove-articles)
6865 (gnus-cache-save-buffers))
6866 (gnus-async-prefetch-remove-group group)
6867 (when gnus-suppress-duplicates
6868 (gnus-dup-enter-articles))
6869 (when gnus-use-trees
6870 (gnus-tree-close group))
6871 (when gnus-use-cache
6872 (gnus-cache-write-active))
6873 ;; Remove entries for this group.
6874 (nnmail-purge-split-history (gnus-group-real-name group))
6875 ;; Make all changes in this group permanent.
6877 (gnus-run-hooks 'gnus-exit-group-hook)
6878 (gnus-summary-update-info))
6879 (gnus-close-group group)
6880 ;; Make sure where we were, and go to next newsgroup.
6881 (set-buffer gnus-group-buffer)
6883 (gnus-group-jump-to-group group))
6884 (gnus-run-hooks 'gnus-summary-exit-hook)
6885 (unless (or quit-config
6886 ;; If this group has disappeared from the summary
6887 ;; buffer, don't skip forwards.
6888 (not (string= group (gnus-group-group-name))))
6889 (gnus-group-next-unread-group 1))
6890 (setq group-point (point))
6893 ;; If we have several article buffers, we kill them at exit.
6894 (unless gnus-single-article-buffer
6895 (gnus-kill-buffer gnus-article-buffer)
6896 (gnus-kill-buffer gnus-original-article-buffer)
6897 (setq gnus-article-current nil))
6899 (if (not gnus-kill-summary-on-exit)
6901 (gnus-deaden-summary)
6903 ;; We set all buffer-local variables to nil. It is unclear why
6904 ;; this is needed, but if we don't, buffer-local variables are
6905 ;; not garbage-collected, it seems. This would the lead to en
6906 ;; ever-growing Emacs.
6907 (gnus-summary-clear-local-variables)
6908 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
6909 (gnus-summary-clear-local-variables))
6910 (when (get-buffer gnus-article-buffer)
6911 (bury-buffer gnus-article-buffer))
6912 ;; Return to group mode buffer.
6913 (when (eq mode 'gnus-summary-mode)
6914 (gnus-kill-buffer buf)))
6915 (setq gnus-current-select-method gnus-select-method)
6916 (set-buffer gnus-group-buffer)
6918 (gnus-handle-ephemeral-exit quit-config)
6919 (goto-char group-point)
6920 ;; If gnus-group-buffer is already displayed, make sure we also move
6921 ;; the cursor in the window that displays it.
6922 (let ((win (get-buffer-window (current-buffer) 0)))
6923 (if win (set-window-point win (point))))
6924 (unless leave-hidden
6925 (gnus-configure-windows 'group 'force)))
6926 ;; Clear the current group name.
6928 (setq gnus-newsgroup-name nil)))))
6930 (defalias 'gnus-summary-quit 'gnus-summary-exit-no-update)
6931 (defun gnus-summary-exit-no-update (&optional no-questions)
6932 "Quit reading current newsgroup without updating read article info."
6934 (let* ((group gnus-newsgroup-name)
6935 (gnus-group-is-exiting-p t)
6936 (gnus-group-is-exiting-without-update-p t)
6937 (quit-config (gnus-group-quit-config group)))
6938 (when (or no-questions
6940 (gnus-y-or-n-p "Discard changes to this group and exit? "))
6941 (gnus-async-halt-prefetch)
6942 (run-hooks 'gnus-summary-prepare-exit-hook)
6943 (when (gnus-buffer-live-p gnus-article-buffer)
6945 (set-buffer gnus-article-buffer)
6946 (mm-destroy-parts gnus-article-mime-handles)
6947 ;; Set it to nil for safety reason.
6948 (setq gnus-article-mime-handle-alist nil)
6949 (setq gnus-article-mime-handles nil)))
6950 ;; If we have several article buffers, we kill them at exit.
6951 (unless gnus-single-article-buffer
6952 (gnus-kill-buffer gnus-article-buffer)
6953 (gnus-kill-buffer gnus-original-article-buffer)
6954 (setq gnus-article-current nil))
6955 (if (not gnus-kill-summary-on-exit)
6956 (gnus-deaden-summary)
6957 (gnus-close-group group)
6958 (gnus-summary-clear-local-variables)
6959 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
6960 (gnus-summary-clear-local-variables))
6961 (gnus-kill-buffer gnus-summary-buffer))
6962 (unless gnus-single-article-buffer
6963 (setq gnus-article-current nil))
6964 (when gnus-use-trees
6965 (gnus-tree-close group))
6966 (gnus-async-prefetch-remove-group group)
6967 (when (get-buffer gnus-article-buffer)
6968 (bury-buffer gnus-article-buffer))
6969 ;; Return to the group buffer.
6970 (gnus-configure-windows 'group 'force)
6971 ;; Clear the current group name.
6972 (setq gnus-newsgroup-name nil)
6973 (unless (gnus-ephemeral-group-p group)
6974 (gnus-group-update-group group))
6975 (when (equal (gnus-group-group-name) group)
6976 (gnus-group-next-unread-group 1))
6978 (gnus-handle-ephemeral-exit quit-config)))))
6980 (defun gnus-handle-ephemeral-exit (quit-config)
6981 "Handle movement when leaving an ephemeral group.
6982 The state which existed when entering the ephemeral is reset."
6983 (if (not (buffer-name (car quit-config)))
6984 (gnus-configure-windows 'group 'force)
6985 (set-buffer (car quit-config))
6986 (cond ((eq major-mode 'gnus-summary-mode)
6987 (gnus-set-global-variables))
6988 ((eq major-mode 'gnus-article-mode)
6990 ;; The `gnus-summary-buffer' variable may point
6991 ;; to the old summary buffer when using a single
6993 (unless (gnus-buffer-live-p gnus-summary-buffer)
6994 (set-buffer gnus-group-buffer))
6995 (set-buffer gnus-summary-buffer)
6996 (gnus-set-global-variables))))
6997 (if (or (eq (cdr quit-config) 'article)
6998 (eq (cdr quit-config) 'pick))
6999 (if (and (boundp 'gnus-pick-mode) (symbol-value 'gnus-pick-mode))
7000 (gnus-configure-windows 'pick 'force)
7001 (gnus-configure-windows (cdr quit-config) 'force))
7002 (gnus-configure-windows (cdr quit-config) 'force))
7003 (when (eq major-mode 'gnus-summary-mode)
7004 (gnus-summary-recenter)
7005 (gnus-summary-position-point))))
7009 (defvar gnus-dead-summary-mode-map nil)
7011 (unless gnus-dead-summary-mode-map
7012 (setq gnus-dead-summary-mode-map (make-keymap))
7013 (suppress-keymap gnus-dead-summary-mode-map)
7014 (substitute-key-definition
7015 'undefined 'gnus-summary-wake-up-the-dead gnus-dead-summary-mode-map)
7016 (dolist (key '("\C-d" "\r" "\177" [delete]))
7017 (define-key gnus-dead-summary-mode-map
7018 key 'gnus-summary-wake-up-the-dead))
7019 (dolist (key '("q" "Q"))
7020 (define-key gnus-dead-summary-mode-map key 'bury-buffer)))
7022 (defvar gnus-dead-summary-mode nil
7023 "Minor mode for Gnus summary buffers.")
7025 (defun gnus-dead-summary-mode (&optional arg)
7026 "Minor mode for Gnus summary buffers."
7028 (when (eq major-mode 'gnus-summary-mode)
7029 (make-local-variable 'gnus-dead-summary-mode)
7030 (setq gnus-dead-summary-mode
7031 (if (null arg) (not gnus-dead-summary-mode)
7032 (> (prefix-numeric-value arg) 0)))
7033 (when gnus-dead-summary-mode
7035 'gnus-dead-summary-mode " Dead" gnus-dead-summary-mode-map))))
7037 (defun gnus-deaden-summary ()
7038 "Make the current summary buffer into a dead summary buffer."
7039 ;; Kill any previous dead summary buffer.
7040 (when (and gnus-dead-summary
7041 (buffer-name gnus-dead-summary))
7042 (with-current-buffer gnus-dead-summary
7043 (when gnus-dead-summary-mode
7044 (kill-buffer (current-buffer)))))
7045 ;; Make this the current dead summary.
7046 (setq gnus-dead-summary (current-buffer))
7047 (gnus-dead-summary-mode 1)
7048 (let ((name (buffer-name)))
7049 (when (string-match "Summary" name)
7051 (concat (substring name 0 (match-beginning 0)) "Dead "
7052 (substring name (match-beginning 0)))
7056 (defun gnus-kill-or-deaden-summary (buffer)
7057 "Kill or deaden the summary BUFFER."
7059 (when (and (buffer-name buffer)
7060 (not gnus-single-article-buffer))
7061 (with-current-buffer buffer
7062 (gnus-kill-buffer gnus-article-buffer)
7063 (gnus-kill-buffer gnus-original-article-buffer)))
7066 (gnus-kill-summary-on-exit
7067 (when (and gnus-use-trees
7068 (gnus-buffer-exists-p buffer))
7071 (gnus-tree-close gnus-newsgroup-name)))
7072 (gnus-kill-buffer buffer))
7073 ;; Deaden the buffer.
7074 ((gnus-buffer-exists-p buffer)
7077 (gnus-deaden-summary))))))
7079 (defun gnus-summary-wake-up-the-dead (&rest args)
7080 "Wake up the dead summary buffer."
7082 (gnus-dead-summary-mode -1)
7083 (let ((name (buffer-name)))
7084 (when (string-match "Dead " name)
7086 (concat (substring name 0 (match-beginning 0))
7087 (substring name (match-end 0)))
7089 (gnus-message 3 "This dead summary is now alive again"))
7091 ;; Suggested by Andrew Eskilsson <pi92ae@pt.hk-r.se>.
7092 (defun gnus-summary-fetch-faq (&optional faq-dir)
7093 "Fetch the FAQ for the current group.
7094 If FAQ-DIR (the prefix), prompt for a directory to search for the faq
7098 (when current-prefix-arg
7100 "FAQ dir: " (and (listp gnus-group-faq-directory)
7102 gnus-group-faq-directory))))))
7103 (let (gnus-faq-buffer)
7104 (when (setq gnus-faq-buffer
7105 (gnus-group-fetch-faq gnus-newsgroup-name faq-dir))
7106 (gnus-configure-windows 'summary-faq))))
7108 ;; Suggested by Per Abrahamsen <amanda@iesd.auc.dk>.
7109 (defun gnus-summary-describe-group (&optional force)
7110 "Describe the current newsgroup."
7112 (gnus-group-describe-group force gnus-newsgroup-name))
7114 (defun gnus-summary-describe-briefly ()
7115 "Describe summary mode commands briefly."
7117 (gnus-message 6 (substitute-command-keys "\\<gnus-summary-mode-map>\\[gnus-summary-next-page]:Select \\[gnus-summary-next-unread-article]:Forward \\[gnus-summary-prev-unread-article]:Backward \\[gnus-summary-exit]:Exit \\[gnus-info-find-node]:Run Info \\[gnus-summary-describe-briefly]:This help")))
7119 ;; Walking around group mode buffer from summary mode.
7121 (defun gnus-summary-next-group (&optional no-article target-group backward)
7122 "Exit current newsgroup and then select next unread newsgroup.
7123 If prefix argument NO-ARTICLE is non-nil, no article is selected
7124 initially. If TARGET-GROUP, go to this group. If BACKWARD, go to
7125 previous group instead."
7127 ;; Stop pre-fetching.
7128 (gnus-async-halt-prefetch)
7129 (let ((current-group gnus-newsgroup-name)
7130 (current-buffer (current-buffer))
7132 ;; First we semi-exit this group to update Xrefs and all variables.
7133 ;; We can't do a real exit, because the window conf must remain
7134 ;; the same in case the user is prompted for info, and we don't
7135 ;; want the window conf to change before that...
7136 (gnus-summary-exit t)
7137 (while (not entered)
7138 ;; Then we find what group we are supposed to enter.
7139 (set-buffer gnus-group-buffer)
7140 (gnus-group-jump-to-group current-group)
7143 (if (eq gnus-keep-same-level 'best)
7144 (gnus-summary-best-group gnus-newsgroup-name)
7145 (gnus-summary-search-group backward gnus-keep-same-level))))
7146 (if (not target-group)
7147 ;; There are no further groups, so we return to the group
7150 (gnus-message 5 "Returning to the group buffer")
7152 (when (gnus-buffer-live-p current-buffer)
7153 (set-buffer current-buffer)
7154 (gnus-summary-exit))
7155 (gnus-run-hooks 'gnus-group-no-more-groups-hook))
7156 ;; We try to enter the target group.
7157 (gnus-group-jump-to-group target-group)
7158 (let ((unreads (gnus-group-group-unread)))
7159 (if (and (or (eq t unreads)
7160 (and unreads (not (zerop unreads))))
7161 (gnus-summary-read-group
7162 target-group nil no-article
7163 (and (buffer-name current-buffer) current-buffer)
7166 (setq current-group target-group
7167 target-group nil)))))))
7169 (defun gnus-summary-prev-group (&optional no-article)
7170 "Exit current newsgroup and then select previous unread newsgroup.
7171 If prefix argument NO-ARTICLE is non-nil, no article is selected initially."
7173 (gnus-summary-next-group no-article nil t))
7175 ;; Walking around summary lines.
7177 (defun gnus-summary-first-subject (&optional unread undownloaded unseen)
7178 "Go to the first subject satisfying any non-nil constraint.
7179 If UNREAD is non-nil, the article should be unread.
7180 If UNDOWNLOADED is non-nil, the article should be undownloaded.
7181 If UNSEEN is non-nil, the article should be unseen.
7182 Returns the article selected or nil if there are no matching articles."
7186 ((null gnus-newsgroup-data)
7187 (gnus-message 3 "No articles in the group")
7189 ;; Pick the first article.
7190 ((not (or unread undownloaded unseen))
7191 (goto-char (gnus-data-pos (car gnus-newsgroup-data)))
7192 (gnus-data-number (car gnus-newsgroup-data)))
7193 ;; Find the first unread article.
7195 (let ((data gnus-newsgroup-data))
7197 (let ((num (gnus-data-number (car data))))
7198 (or (memq num gnus-newsgroup-unfetched)
7199 (not (or (and unread
7200 (memq num gnus-newsgroup-unreads))
7202 (memq num gnus-newsgroup-undownloaded))
7204 (memq num gnus-newsgroup-unseen)))))))
7205 (setq data (cdr data)))
7209 (goto-char (gnus-data-pos (car data)))
7210 (gnus-data-number (car data)))
7211 (gnus-message 3 "No more%s articles"
7212 (let* ((r (when unread " unread"))
7213 (d (when undownloaded " undownloaded"))
7214 (s (when unseen " unseen"))
7215 (l (delq nil (list r d s))))
7216 (cond ((= 3 (length l))
7217 (concat r "," d ", or" s))
7219 (concat (car l) ", or" (cadr l)))
7226 (gnus-summary-position-point))))))
7228 (defun gnus-summary-next-subject (n &optional unread dont-display)
7229 "Go to next N'th summary line.
7230 If N is negative, go to the previous N'th subject line.
7231 If UNREAD is non-nil, only unread articles are selected.
7232 The difference between N and the actual number of steps taken is
7235 (let ((backward (< n 0))
7239 (gnus-summary-find-prev unread)
7240 (gnus-summary-find-next unread)))
7241 (unless (zerop (setq n (1- n)))
7242 (gnus-summary-show-thread)))
7244 (gnus-message 7 "No more%s articles"
7245 (if unread " unread" "")))
7246 (unless dont-display
7247 (gnus-summary-recenter)
7248 (gnus-summary-position-point))
7251 (defun gnus-summary-next-unread-subject (n)
7252 "Go to next N'th unread summary line."
7254 (gnus-summary-next-subject n t))
7256 (defun gnus-summary-prev-subject (n &optional unread)
7257 "Go to previous N'th summary line.
7258 If optional argument UNREAD is non-nil, only unread article is selected."
7260 (gnus-summary-next-subject (- n) unread))
7262 (defun gnus-summary-prev-unread-subject (n)
7263 "Go to previous N'th unread summary line."
7265 (gnus-summary-next-subject (- n) t))
7267 (defun gnus-summary-goto-subjects (articles)
7268 "Insert the subject header for ARTICLES in the current buffer."
7270 (dolist (article articles)
7271 (gnus-summary-goto-subject article t)))
7272 (gnus-summary-limit (append articles gnus-newsgroup-limit))
7273 (gnus-summary-position-point))
7275 (defun gnus-summary-goto-subject (article &optional force silent)
7276 "Go the subject line of ARTICLE.
7277 If FORCE, also allow jumping to articles not currently shown."
7278 (interactive "nArticle number: ")
7279 (unless (numberp article)
7280 (error "Article %s is not a number" article))
7282 (data (gnus-data-find article)))
7283 ;; We read in the article if we have to.
7286 (gnus-summary-insert-subject
7288 (if (or (numberp force) (vectorp force)) force)
7290 (setq data (gnus-data-find article)))
7295 (gnus-message 3 "Can't find article %d" article))
7297 (let ((pt (gnus-data-pos data)))
7299 (gnus-summary-set-article-display-arrow pt))
7300 (gnus-summary-position-point)
7303 ;; Walking around summary lines with displaying articles.
7305 (defun gnus-summary-expand-window (&optional arg)
7306 "Make the summary buffer take up the entire Emacs frame.
7307 Given a prefix, will force an `article' buffer configuration."
7310 (gnus-configure-windows 'article 'force)
7311 (gnus-configure-windows 'summary 'force)))
7313 (defun gnus-summary-display-article (article &optional all-header)
7314 "Display ARTICLE in article buffer."
7315 (when (gnus-buffer-live-p gnus-article-buffer)
7316 (with-current-buffer gnus-article-buffer
7317 (mm-enable-multibyte)))
7318 (gnus-set-global-variables)
7319 (when (gnus-buffer-live-p gnus-article-buffer)
7320 (with-current-buffer gnus-article-buffer
7321 (setq gnus-article-charset gnus-newsgroup-charset)
7322 (setq gnus-article-ignored-charsets gnus-newsgroup-ignored-charsets)
7323 (mm-enable-multibyte)))
7327 (if gnus-summary-display-article-function
7328 (funcall gnus-summary-display-article-function article all-header)
7329 (gnus-article-prepare article all-header))
7330 (gnus-run-hooks 'gnus-select-article-hook)
7331 (when (and gnus-current-article
7332 (not (zerop gnus-current-article)))
7333 (gnus-summary-goto-subject gnus-current-article))
7334 (gnus-summary-recenter)
7335 (when (and gnus-use-trees gnus-show-threads)
7336 (gnus-possibly-generate-tree article)
7337 (gnus-highlight-selected-tree article))
7338 ;; Successfully display article.
7339 (gnus-article-set-window-start
7340 (cdr (assq article gnus-newsgroup-bookmarks))))))
7342 (defun gnus-summary-select-article (&optional all-headers force pseudo article)
7343 "Select the current article.
7344 If ALL-HEADERS is non-nil, show all header fields. If FORCE is
7345 non-nil, the article will be re-fetched even if it already present in
7346 the article buffer. If PSEUDO is non-nil, pseudo-articles will also
7348 ;; Make sure we are in the summary buffer to work around bbdb bug.
7349 (unless (eq major-mode 'gnus-summary-mode)
7350 (set-buffer gnus-summary-buffer))
7351 (let ((article (or article (gnus-summary-article-number)))
7352 (all-headers (not (not all-headers))) ;Must be t or nil.
7353 gnus-summary-display-article-function)
7355 (gnus-summary-article-pseudo-p article)
7356 (error "This is a pseudo-article"))
7358 (set-buffer gnus-summary-buffer)
7359 (if (or (and gnus-single-article-buffer
7360 (or (null gnus-current-article)
7361 (null gnus-article-current)
7362 (null (get-buffer gnus-article-buffer))
7363 (not (eq article (cdr gnus-article-current)))
7364 (not (equal (car gnus-article-current)
7365 gnus-newsgroup-name))))
7366 (and (not gnus-single-article-buffer)
7367 (or (null gnus-current-article)
7368 (not (eq gnus-current-article article))))
7370 ;; The requested article is different from the current article.
7372 (gnus-summary-display-article article all-headers)
7373 (when (gnus-buffer-live-p gnus-article-buffer)
7374 (with-current-buffer gnus-article-buffer
7375 (if (not gnus-article-decoded-p) ;; a local variable
7376 (mm-disable-multibyte))))
7377 (gnus-article-set-window-start
7378 (cdr (assq article gnus-newsgroup-bookmarks)))
7382 (defun gnus-summary-force-verify-and-decrypt ()
7383 "Display buttons for signed/encrypted parts and verify/decrypt them."
7385 (let ((mm-verify-option 'known)
7386 (mm-decrypt-option 'known)
7387 (gnus-article-emulate-mime t)
7388 (gnus-buttonized-mime-types (append (list "multipart/signed"
7389 "multipart/encrypted")
7390 gnus-buttonized-mime-types)))
7391 (gnus-summary-select-article nil 'force)))
7393 (defun gnus-summary-set-current-mark (&optional current-mark)
7394 "Obsolete function."
7397 (defun gnus-summary-next-article (&optional unread subject backward push)
7398 "Select the next article.
7399 If UNREAD, only unread articles are selected.
7400 If SUBJECT, only articles with SUBJECT are selected.
7401 If BACKWARD, the previous article is selected instead of the next."
7404 ;; Is there such an article?
7405 ((and (gnus-summary-search-forward unread subject backward)
7406 (or (gnus-summary-display-article (gnus-summary-article-number))
7407 (eq (gnus-summary-article-mark) gnus-canceled-mark)))
7408 (gnus-summary-position-point))
7409 ;; If not, we try the first unread, if that is wanted.
7411 gnus-auto-select-same
7412 (gnus-summary-first-unread-article))
7413 (gnus-summary-position-point)
7414 (gnus-message 6 "Wrapped"))
7415 ;; Try to get next/previous article not displayed in this group.
7416 ((and gnus-auto-extend-newsgroup
7417 (not unread) (not subject))
7418 (gnus-summary-goto-article
7419 (if backward (1- gnus-newsgroup-begin) (1+ gnus-newsgroup-end))
7420 nil (count-lines (point-min) (point))))
7421 ;; Go to next/previous group.
7423 (unless (gnus-ephemeral-group-p gnus-newsgroup-name)
7424 (gnus-summary-jump-to-group gnus-newsgroup-name))
7425 (let ((cmd last-command-char)
7427 (with-current-buffer gnus-group-buffer
7430 (if (eq gnus-keep-same-level 'best)
7431 (gnus-summary-best-group gnus-newsgroup-name)
7432 (gnus-summary-search-group backward gnus-keep-same-level))))
7433 ;; For some reason, the group window gets selected. We change
7435 (select-window (get-buffer-window (current-buffer)))
7436 ;; Select next unread newsgroup automagically.
7438 ((or (not gnus-auto-select-next)
7440 (gnus-message 7 "No more%s articles" (if unread " unread" "")))
7441 ((or (eq gnus-auto-select-next 'quietly)
7442 (and (eq gnus-auto-select-next 'slightly-quietly)
7444 (and (eq gnus-auto-select-next 'almost-quietly)
7445 (gnus-summary-last-article-p)))
7447 (if (gnus-ephemeral-group-p gnus-newsgroup-name)
7449 (gnus-message 7 "No more%s articles (%s)..."
7450 (if unread " unread" "")
7451 (if group (concat "selecting " group)
7453 (gnus-summary-next-group nil group backward)))
7455 (when (gnus-key-press-event-p last-input-event)
7456 (gnus-summary-walk-group-buffer
7457 gnus-newsgroup-name cmd unread backward point))))))))
7459 (defun gnus-summary-walk-group-buffer (from-group cmd unread backward start)
7460 (let ((keystrokes '((?\C-n (gnus-group-next-unread-group 1))
7461 (?\C-p (gnus-group-prev-unread-group 1))))
7462 (cursor-in-echo-area t)
7463 keve key group ended prompt)
7465 (set-buffer gnus-group-buffer)
7468 (if (eq gnus-keep-same-level 'best)
7469 (gnus-summary-best-group gnus-newsgroup-name)
7470 (gnus-summary-search-group backward gnus-keep-same-level))))
7474 "No more%s articles%s " (if unread " unread" "")
7476 (not (gnus-ephemeral-group-p gnus-newsgroup-name)))
7477 (format " (Type %s for %s [%s])"
7478 (single-key-description cmd)
7479 (gnus-group-decoded-name group)
7480 (gnus-group-unread group))
7481 (format " (Type %s to exit %s)"
7482 (single-key-description cmd)
7483 (gnus-group-decoded-name gnus-newsgroup-name)))))
7484 ;; Confirm auto selection.
7485 (setq key (car (setq keve (gnus-read-event-char prompt)))
7488 ((assq key keystrokes)
7489 (let ((obuf (current-buffer)))
7490 (switch-to-buffer gnus-group-buffer)
7492 (gnus-group-jump-to-group group))
7493 (eval (cadr (assq key keystrokes)))
7494 (setq group (gnus-group-group-name))
7495 (switch-to-buffer obuf))
7499 (gnus-ephemeral-group-p gnus-newsgroup-name))
7501 (gnus-summary-next-group nil group backward)))
7503 (push (cdr keve) unread-command-events))))))
7505 (defun gnus-summary-next-unread-article ()
7506 "Select unread article after current one."
7508 (gnus-summary-next-article
7509 (or (not (eq gnus-summary-goto-unread 'never))
7510 (gnus-summary-last-article-p (gnus-summary-article-number)))
7511 (and gnus-auto-select-same
7512 (gnus-summary-article-subject))))
7514 (defun gnus-summary-prev-article (&optional unread subject)
7515 "Select the article after the current one.
7516 If UNREAD is non-nil, only unread articles are selected."
7518 (gnus-summary-next-article unread subject t))
7520 (defun gnus-summary-prev-unread-article ()
7521 "Select unread article before current one."
7523 (gnus-summary-prev-article
7524 (or (not (eq gnus-summary-goto-unread 'never))
7525 (gnus-summary-first-article-p (gnus-summary-article-number)))
7526 (and gnus-auto-select-same
7527 (gnus-summary-article-subject))))
7529 (defun gnus-summary-next-page (&optional lines circular stop)
7530 "Show next page of the selected article.
7531 If at the end of the current article, select the next article.
7532 LINES says how many lines should be scrolled up.
7534 If CIRCULAR is non-nil, go to the start of the article instead of
7535 selecting the next article when reaching the end of the current
7538 If STOP is non-nil, just stop when reaching the end of the message.
7540 Also see the variable `gnus-article-skip-boring'."
7542 (setq gnus-summary-buffer (current-buffer))
7543 (gnus-set-global-variables)
7544 (let ((article (gnus-summary-article-number))
7545 (article-window (get-buffer-window gnus-article-buffer t))
7547 ;; If the buffer is empty, we have no article.
7549 (error "No article to select"))
7550 (gnus-configure-windows 'article)
7551 (if (eq (cdr (assq article gnus-newsgroup-reads)) gnus-canceled-mark)
7552 (if (and (eq gnus-summary-goto-unread 'never)
7553 (not (gnus-summary-last-article-p article)))
7554 (gnus-summary-next-article)
7555 (gnus-summary-next-unread-article))
7556 (if (or (null gnus-current-article)
7557 (null gnus-article-current)
7558 (/= article (cdr gnus-article-current))
7559 (not (equal (car gnus-article-current) gnus-newsgroup-name)))
7560 ;; Selected subject is different from current article's.
7561 (gnus-summary-display-article article)
7562 (when article-window
7563 (gnus-eval-in-buffer-window gnus-article-buffer
7564 (setq endp (or (gnus-article-next-page lines)
7565 (gnus-article-only-boring-p))))
7568 (gnus-message 3 "End of message"))
7570 (gnus-summary-beginning-of-article))
7572 (gnus-message 3 "End of message"))
7574 (if (and (eq gnus-summary-goto-unread 'never)
7575 (not (gnus-summary-last-article-p article)))
7576 (gnus-summary-next-article)
7577 (gnus-summary-next-unread-article))))))))
7578 (gnus-summary-recenter)
7579 (gnus-summary-position-point)))
7581 (defun gnus-summary-prev-page (&optional lines move)
7582 "Show previous page of selected article.
7583 Argument LINES specifies lines to be scrolled down.
7584 If MOVE, move to the previous unread article if point is at
7585 the beginning of the buffer."
7587 (let ((article (gnus-summary-article-number))
7588 (article-window (get-buffer-window gnus-article-buffer t))
7590 (gnus-configure-windows 'article)
7591 (if (or (null gnus-current-article)
7592 (null gnus-article-current)
7593 (/= article (cdr gnus-article-current))
7594 (not (equal (car gnus-article-current) gnus-newsgroup-name)))
7595 ;; Selected subject is different from current article's.
7596 (gnus-summary-display-article article)
7597 (gnus-summary-recenter)
7598 (when article-window
7599 (gnus-eval-in-buffer-window gnus-article-buffer
7600 (setq endp (gnus-article-prev-page lines)))
7601 (when (and move endp)
7603 (gnus-message 3 "Beginning of message"))
7605 (if (and (eq gnus-summary-goto-unread 'never)
7606 (not (gnus-summary-first-article-p article)))
7607 (gnus-summary-prev-article)
7608 (gnus-summary-prev-unread-article))))))))
7609 (gnus-summary-position-point))
7611 (defun gnus-summary-prev-page-or-article (&optional lines)
7612 "Show previous page of selected article.
7613 Argument LINES specifies lines to be scrolled down.
7614 If at the beginning of the article, go to the next article."
7616 (gnus-summary-prev-page lines t))
7618 (defun gnus-summary-scroll-up (lines)
7619 "Scroll up (or down) one line current article.
7620 Argument LINES specifies lines to be scrolled up (or down if negative)."
7622 (gnus-configure-windows 'article)
7623 (gnus-summary-show-thread)
7624 (when (eq (gnus-summary-select-article nil nil 'pseudo) 'old)
7625 (gnus-eval-in-buffer-window gnus-article-buffer
7627 (when (gnus-article-next-page lines)
7628 (gnus-message 3 "End of message")))
7630 (gnus-article-prev-page (- lines))))))
7631 (gnus-summary-recenter)
7632 (gnus-summary-position-point))
7634 (defun gnus-summary-scroll-down (lines)
7635 "Scroll down (or up) one line current article.
7636 Argument LINES specifies lines to be scrolled down (or up if negative)."
7638 (gnus-summary-scroll-up (- lines)))
7640 (defun gnus-summary-next-same-subject ()
7641 "Select next article which has the same subject as current one."
7643 (gnus-summary-next-article nil (gnus-summary-article-subject)))
7645 (defun gnus-summary-prev-same-subject ()
7646 "Select previous article which has the same subject as current one."
7648 (gnus-summary-prev-article nil (gnus-summary-article-subject)))
7650 (defun gnus-summary-next-unread-same-subject ()
7651 "Select next unread article which has the same subject as current one."
7653 (gnus-summary-next-article t (gnus-summary-article-subject)))
7655 (defun gnus-summary-prev-unread-same-subject ()
7656 "Select previous unread article which has the same subject as current one."
7658 (gnus-summary-prev-article t (gnus-summary-article-subject)))
7660 (defun gnus-summary-first-unread-article ()
7661 "Select the first unread article.
7662 Return nil if there are no unread articles."
7665 (when (gnus-summary-first-subject t)
7666 (gnus-summary-show-thread)
7667 (gnus-summary-first-subject t)
7668 (gnus-summary-display-article (gnus-summary-article-number)))
7669 (gnus-summary-position-point)))
7671 (defun gnus-summary-first-unread-subject ()
7672 "Place the point on the subject line of the first unread article.
7673 Return nil if there are no unread articles."
7676 (when (gnus-summary-first-subject t)
7677 (gnus-summary-show-thread)
7678 (gnus-summary-first-subject t))
7679 (gnus-summary-position-point)))
7681 (defun gnus-summary-first-unseen-subject ()
7682 "Place the point on the subject line of the first unseen article.
7683 Return nil if there are no unseen articles."
7686 (when (gnus-summary-first-subject nil nil t)
7687 (gnus-summary-show-thread)
7688 (gnus-summary-first-subject nil nil t))
7689 (gnus-summary-position-point)))
7691 (defun gnus-summary-first-unseen-or-unread-subject ()
7692 "Place the point on the subject line of the first unseen article or,
7693 if all article have been seen, on the subject line of the first unread
7697 (unless (when (gnus-summary-first-subject nil nil t)
7698 (gnus-summary-show-thread)
7699 (gnus-summary-first-subject nil nil t))
7700 (when (gnus-summary-first-subject t)
7701 (gnus-summary-show-thread)
7702 (gnus-summary-first-subject t)))
7703 (gnus-summary-position-point)))
7705 (defun gnus-summary-first-article ()
7706 "Select the first article.
7707 Return nil if there are no articles."
7710 (when (gnus-summary-first-subject)
7711 (gnus-summary-show-thread)
7712 (gnus-summary-first-subject)
7713 (gnus-summary-display-article (gnus-summary-article-number)))
7714 (gnus-summary-position-point)))
7716 (defun gnus-summary-best-unread-article (&optional arg)
7717 "Select the unread article with the highest score.
7718 If given a prefix argument, select the next unread article that has a
7719 score higher than the default score."
7721 (let ((article (if arg
7722 (gnus-summary-better-unread-subject)
7723 (gnus-summary-best-unread-subject))))
7725 (gnus-summary-goto-article article)
7726 (error "No unread articles"))))
7728 (defun gnus-summary-best-unread-subject ()
7729 "Select the unread subject with the highest score."
7731 (let ((best -1000000)
7732 (data gnus-newsgroup-data)
7735 (and (gnus-data-unread-p (car data))
7737 (gnus-summary-article-score (gnus-data-number (car data))))
7740 article (gnus-data-number (car data))))
7741 (setq data (cdr data)))
7743 (gnus-summary-goto-subject article))
7744 (gnus-summary-position-point)
7747 (defun gnus-summary-better-unread-subject ()
7748 "Select the first unread subject that has a score over the default score."
7750 (let ((data gnus-newsgroup-data)
7752 (while (and (setq article (gnus-data-number (car data)))
7753 (or (gnus-data-read-p (car data))
7754 (not (> (gnus-summary-article-score article)
7755 gnus-summary-default-score))))
7756 (setq data (cdr data)))
7758 (gnus-summary-goto-subject article))
7759 (gnus-summary-position-point)
7762 (defun gnus-summary-last-subject ()
7763 "Go to the last displayed subject line in the group."
7764 (let ((article (gnus-data-number (car (gnus-data-list t)))))
7766 (gnus-summary-goto-subject article))))
7768 (defun gnus-summary-goto-article (article &optional all-headers force)
7769 "Fetch ARTICLE (article number or Message-ID) and display it if it exists.
7770 If ALL-HEADERS is non-nil, no header lines are hidden.
7771 If FORCE, go to the article even if it isn't displayed. If FORCE
7772 is a number, it is the line the article is to be displayed on."
7776 "Article number or Message-ID: "
7777 (mapcar (lambda (number) (list (int-to-string number)))
7778 gnus-newsgroup-limit))
7782 (if (and (stringp article)
7783 (string-match "@\\|%40" article))
7784 (gnus-summary-refer-article article)
7785 (when (stringp article)
7786 (setq article (string-to-number article)))
7787 (if (gnus-summary-goto-subject article force)
7788 (gnus-summary-display-article article all-headers)
7789 (gnus-message 4 "Couldn't go to article %s" article) nil))
7790 (gnus-summary-position-point)))
7792 (defun gnus-summary-goto-last-article ()
7793 "Go to the previously read article."
7796 (when gnus-last-article
7797 (gnus-summary-goto-article gnus-last-article nil t))
7798 (gnus-summary-position-point)))
7800 (defun gnus-summary-pop-article (number)
7801 "Pop one article off the history and go to the previous.
7802 NUMBER articles will be popped off."
7805 (setq gnus-newsgroup-history
7806 (cdr (setq to (nthcdr number gnus-newsgroup-history))))
7808 (gnus-summary-goto-article (car to) nil t)
7809 (error "Article history empty")))
7810 (gnus-summary-position-point))
7812 ;; Summary commands and functions for limiting the summary buffer.
7814 (defun gnus-summary-limit-to-articles (n)
7815 "Limit the summary buffer to the next N articles.
7816 If not given a prefix, use the process marked articles instead."
7819 (let ((articles (gnus-summary-work-articles n)))
7820 (setq gnus-newsgroup-processable nil)
7821 (gnus-summary-limit articles))
7822 (gnus-summary-position-point)))
7824 (defun gnus-summary-pop-limit (&optional total)
7825 "Restore the previous limit.
7826 If given a prefix, remove all limits."
7829 (setq gnus-newsgroup-limits
7830 (list (mapcar (lambda (h) (mail-header-number h))
7831 gnus-newsgroup-headers))))
7832 (unless gnus-newsgroup-limits
7833 (error "No limit to pop"))
7835 (gnus-summary-limit nil 'pop)
7836 (gnus-summary-position-point)))
7838 (defun gnus-summary-limit-to-subject (subject &optional header not-matching)
7839 "Limit the summary buffer to articles that have subjects that match a regexp.
7840 If NOT-MATCHING, excluding articles that have subjects that match a regexp."
7842 (list (read-string (if current-prefix-arg
7843 "Exclude subject (regexp): "
7844 "Limit to subject (regexp): "))
7845 nil current-prefix-arg))
7847 (setq header "subject"))
7848 (when (not (equal "" subject))
7850 (let ((articles (gnus-summary-find-matching
7851 (or header "subject") subject 'all nil nil
7854 (error "Found no matches for \"%s\"" subject))
7855 (gnus-summary-limit articles))
7856 (gnus-summary-position-point))))
7858 (defun gnus-summary-limit-to-author (from &optional not-matching)
7859 "Limit the summary buffer to articles that have authors that match a regexp.
7860 If NOT-MATCHING, excluding articles that have authors that match a regexp."
7862 (list (read-string (if current-prefix-arg
7863 "Exclude author (regexp): "
7864 "Limit to author (regexp): "))
7865 current-prefix-arg))
7866 (gnus-summary-limit-to-subject from "from" not-matching))
7868 (defun gnus-summary-limit-to-recipient (recipient &optional not-matching)
7869 "Limit the summary buffer to articles with the given RECIPIENT.
7871 If NOT-MATCHING, exclude RECIPIENT.
7873 To and Cc headers are checked. You need to include them in
7874 `nnmail-extra-headers'."
7875 ;; Unlike `rmail-summary-by-recipients', doesn't include From.
7877 (list (read-string (format "%s recipient (regexp): "
7878 (if current-prefix-arg "Exclude" "Limit to")))
7879 current-prefix-arg))
7880 (when (not (equal "" recipient))
7882 (if (memq 'To nnmail-extra-headers)
7883 (gnus-summary-find-matching
7884 (cons 'extra 'To) recipient 'all nil nil
7887 1 "`To' isn't present in `nnmail-extra-headers'")
7891 (if (memq 'Cc nnmail-extra-headers)
7892 (gnus-summary-find-matching
7893 (cons 'extra 'Cc) recipient 'all nil nil
7896 1 "`Cc' isn't present in `nnmail-extra-headers'")
7901 ;; We need the numbers that are in both lists:
7903 (and (memq a to) a))
7907 (error "Found no matches for \"%s\"" recipient))
7908 (gnus-summary-limit articles))
7909 (gnus-summary-position-point))))
7911 (defun gnus-summary-limit-to-age (age &optional younger-p)
7912 "Limit the summary buffer to articles that are older than (or equal) AGE days.
7913 If YOUNGER-P (the prefix) is non-nil, limit the summary buffer to
7914 articles that are younger than AGE days."
7916 (let ((younger current-prefix-arg)
7919 (while (not days-got)
7920 (setq days (if younger
7921 (read-string "Limit to articles younger than (in days, older when negative): ")
7923 "Limit to articles older than (in days, younger when negative): ")))
7924 (when (> (length days) 0)
7925 (setq days (read days)))
7930 (setq younger (not younger))
7931 (setq days (* days -1))))
7932 (message "Please enter a number.")
7934 (list days younger)))
7936 (let ((data gnus-newsgroup-data)
7937 (cutoff (days-to-time age))
7938 articles d date is-younger)
7939 (while (setq d (pop data))
7940 (when (and (vectorp (gnus-data-header d))
7941 (setq date (mail-header-date (gnus-data-header d))))
7942 (setq is-younger (time-less-p
7943 (time-since (condition-case ()
7950 (push (gnus-data-number d) articles))))
7951 (gnus-summary-limit (nreverse articles)))
7952 (gnus-summary-position-point)))
7954 (defun gnus-summary-limit-to-extra (header regexp &optional not-matching)
7955 "Limit the summary buffer to articles that match an 'extra' header."
7959 (gnus-completing-read-with-default
7960 (symbol-name (car gnus-extra-headers))
7961 (if current-prefix-arg
7962 "Exclude extra header"
7963 "Limit extra header")
7965 (cons (symbol-name x) x))
7970 (read-string (format "%s header %s (regexp): "
7971 (if current-prefix-arg "Exclude" "Limit to")
7973 current-prefix-arg)))
7974 (when (not (equal "" regexp))
7976 (let ((articles (gnus-summary-find-matching
7977 (cons 'extra header) regexp 'all nil nil
7980 (error "Found no matches for \"%s\"" regexp))
7981 (gnus-summary-limit articles))
7982 (gnus-summary-position-point))))
7984 (defun gnus-summary-limit-to-display-predicate ()
7985 "Limit the summary buffer to the predicated in the `display' group parameter."
7987 (unless gnus-newsgroup-display
7988 (error "There is no `display' group parameter"))
7990 (dolist (number gnus-newsgroup-articles)
7991 (when (funcall gnus-newsgroup-display)
7992 (push number articles)))
7993 (gnus-summary-limit articles))
7994 (gnus-summary-position-point))
7996 (defalias 'gnus-summary-delete-marked-as-read 'gnus-summary-limit-to-unread)
7998 'gnus-summary-delete-marked-as-read 'gnus-summary-limit-to-unread)
8000 (defun gnus-summary-limit-to-unread (&optional all)
8001 "Limit the summary buffer to articles that are not marked as read.
8002 If ALL is non-nil, limit strictly to unread articles."
8005 (gnus-summary-limit-to-marks (char-to-string gnus-unread-mark))
8006 (gnus-summary-limit-to-marks
8007 ;; Concat all the marks that say that an article is read and have
8009 (list gnus-del-mark gnus-read-mark gnus-ancient-mark
8010 gnus-killed-mark gnus-spam-mark gnus-kill-file-mark
8011 gnus-low-score-mark gnus-expirable-mark
8012 gnus-canceled-mark gnus-catchup-mark gnus-sparse-mark
8013 gnus-duplicate-mark gnus-souped-mark)
8016 (defun gnus-summary-limit-to-bodies (match &optional reverse)
8017 "Limit the summary buffer to articles that have bodies that match MATCH.
8018 If REVERSE (the prefix), limit to articles that don't match."
8019 (interactive "sMatch body (regexp): \nP")
8020 (let ((articles nil)
8021 (gnus-select-article-hook nil) ;Disable hook.
8022 (gnus-article-prepare-hook nil)
8023 (gnus-use-article-prefetch nil)
8024 (gnus-keep-backlog nil)
8025 (gnus-break-pages nil)
8026 (gnus-summary-display-arrow nil)
8027 (gnus-updated-mode-lines nil)
8028 (gnus-auto-center-summary nil)
8029 (gnus-display-mime-function nil))
8030 (dolist (data gnus-newsgroup-data)
8031 (let (gnus-mark-article-hook)
8032 (gnus-summary-select-article t t nil (gnus-data-number data)))
8034 (set-buffer gnus-article-buffer)
8036 (let* ((case-fold-search t)
8037 (found (re-search-forward match nil t)))
8038 (when (or (and found
8042 (push (gnus-data-number data) articles)))))
8044 (message "No messages matched")
8045 (gnus-summary-limit articles)))
8046 (gnus-summary-position-point))
8048 (defun gnus-summary-limit-to-replied (&optional unreplied)
8049 "Limit the summary buffer to replied articles.
8050 If UNREPLIED (the prefix), limit to unreplied articles."
8054 (gnus-set-difference gnus-newsgroup-articles
8055 gnus-newsgroup-replied))
8056 (gnus-summary-limit gnus-newsgroup-replied))
8057 (gnus-summary-position-point))
8059 (defalias 'gnus-summary-delete-marked-with 'gnus-summary-limit-exclude-marks)
8060 (make-obsolete 'gnus-summary-delete-marked-with
8061 'gnus-summary-limit-exclude-marks)
8063 (defun gnus-summary-limit-exclude-marks (marks &optional reverse)
8064 "Exclude articles that are marked with MARKS (e.g. \"DK\").
8065 If REVERSE, limit the summary buffer to articles that are marked
8066 with MARKS. MARKS can either be a string of marks or a list of marks.
8067 Returns how many articles were removed."
8068 (interactive "sMarks: ")
8069 (gnus-summary-limit-to-marks marks t))
8071 (defun gnus-summary-limit-to-marks (marks &optional reverse)
8072 "Limit the summary buffer to articles that are marked with MARKS (e.g. \"DK\").
8073 If REVERSE (the prefix), limit the summary buffer to articles that are
8074 not marked with MARKS. MARKS can either be a string of marks or a
8076 Returns how many articles were removed."
8077 (interactive "sMarks: \nP")
8079 (let ((data gnus-newsgroup-data)
8080 (marks (if (listp marks) marks
8081 (append marks nil))) ; Transform to list.
8084 (when (if reverse (not (memq (gnus-data-mark (car data)) marks))
8085 (memq (gnus-data-mark (car data)) marks))
8086 (push (gnus-data-number (car data)) articles))
8087 (setq data (cdr data)))
8088 (gnus-summary-limit articles))
8089 (gnus-summary-position-point)))
8091 (defun gnus-summary-limit-to-score (score)
8092 "Limit to articles with score at or above SCORE."
8093 (interactive "NLimit to articles with score of at least: ")
8094 (let ((data gnus-newsgroup-data)
8097 (when (>= (gnus-summary-article-score (gnus-data-number (car data)))
8099 (push (gnus-data-number (car data)) articles))
8100 (setq data (cdr data)))
8102 (gnus-summary-limit articles)
8103 (gnus-summary-position-point))))
8105 (defun gnus-summary-limit-to-unseen ()
8106 "Limit to unseen articles."
8109 (gnus-summary-limit gnus-newsgroup-unseen)
8110 (gnus-summary-position-point)))
8112 (defun gnus-summary-limit-include-thread (id)
8113 "Display all the hidden articles that is in the thread with ID in it.
8114 When called interactively, ID is the Message-ID of the current
8116 (interactive (list (mail-header-id (gnus-summary-article-header))))
8117 (let ((articles (gnus-articles-in-thread
8118 (gnus-id-to-thread (gnus-root-id id)))))
8120 (gnus-summary-limit (nconc articles gnus-newsgroup-limit))
8121 (gnus-summary-limit-include-matching-articles
8123 (regexp-quote (gnus-simplify-subject-re
8124 (mail-header-subject (gnus-id-to-header id)))))
8125 (gnus-summary-position-point))))
8127 (defun gnus-summary-limit-include-matching-articles (header regexp)
8128 "Display all the hidden articles that have HEADERs that match REGEXP."
8129 (interactive (list (read-string "Match on header: ")
8130 (read-string "Regexp: ")))
8131 (let ((articles (gnus-find-matching-articles header regexp)))
8133 (gnus-summary-limit (nconc articles gnus-newsgroup-limit))
8134 (gnus-summary-position-point))))
8136 (defun gnus-summary-insert-dormant-articles ()
8137 "Insert all the dormant articles for this group into the current buffer."
8139 (let ((gnus-verbose (max 6 gnus-verbose)))
8140 (if (not gnus-newsgroup-dormant)
8141 (gnus-message 3 "No cached articles for this group")
8142 (gnus-summary-goto-subjects gnus-newsgroup-dormant))))
8144 (defun gnus-summary-limit-include-dormant ()
8145 "Display all the hidden articles that are marked as dormant.
8146 Note that this command only works on a subset of the articles currently
8147 fetched for this group."
8149 (unless gnus-newsgroup-dormant
8150 (error "There are no dormant articles in this group"))
8152 (gnus-summary-limit (append gnus-newsgroup-dormant gnus-newsgroup-limit))
8153 (gnus-summary-position-point)))
8155 (defun gnus-summary-limit-exclude-dormant ()
8156 "Hide all dormant articles."
8159 (gnus-summary-limit-to-marks (list gnus-dormant-mark) 'reverse)
8160 (gnus-summary-position-point)))
8162 (defun gnus-summary-limit-exclude-childless-dormant ()
8163 "Hide all dormant articles that have no children."
8165 (let ((data (gnus-data-list t))
8166 articles d children)
8167 ;; Find all articles that are either not dormant or have
8169 (while (setq d (pop data))
8170 (when (or (not (= (gnus-data-mark d) gnus-dormant-mark))
8172 (gnus-article-children (gnus-data-number d)))
8175 (when (memq (car children) articles)
8180 (push (gnus-data-number d) articles)))
8183 (gnus-summary-limit articles)
8184 (gnus-summary-position-point))))
8186 (defun gnus-summary-limit-mark-excluded-as-read (&optional all)
8187 "Mark all unread excluded articles as read.
8188 If ALL, mark even excluded ticked and dormants as read."
8190 (setq gnus-newsgroup-limit (sort gnus-newsgroup-limit '<))
8191 (let ((articles (gnus-sorted-ndifference
8193 (mapcar (lambda (h) (mail-header-number h))
8194 gnus-newsgroup-headers)
8196 gnus-newsgroup-limit))
8198 (setq gnus-newsgroup-unreads
8199 (gnus-sorted-intersection gnus-newsgroup-unreads
8200 gnus-newsgroup-limit))
8202 (setq gnus-newsgroup-dormant nil
8203 gnus-newsgroup-marked nil
8204 gnus-newsgroup-reads
8206 (mapcar (lambda (n) (cons n gnus-catchup-mark)) articles)
8207 gnus-newsgroup-reads))
8208 (while (setq article (pop articles))
8209 (unless (or (memq article gnus-newsgroup-dormant)
8210 (memq article gnus-newsgroup-marked))
8211 (push (cons article gnus-catchup-mark) gnus-newsgroup-reads))))))
8213 (defun gnus-summary-limit (articles &optional pop)
8215 ;; We pop the previous limit off the stack and use that.
8216 (setq articles (car gnus-newsgroup-limits)
8217 gnus-newsgroup-limits (cdr gnus-newsgroup-limits))
8218 ;; We use the new limit, so we push the old limit on the stack.
8219 (push gnus-newsgroup-limit gnus-newsgroup-limits))
8221 (setq gnus-newsgroup-limit articles)
8222 (let ((total (length gnus-newsgroup-data))
8223 (data (gnus-data-find-list (gnus-summary-article-number)))
8224 (gnus-summary-mark-below nil) ; Inhibit this.
8226 ;; This will do all the work of generating the new summary buffer
8227 ;; according to the new limit.
8228 (gnus-summary-prepare)
8229 ;; Hide any threads, possibly.
8230 (gnus-summary-maybe-hide-threads)
8231 ;; Try to return to the article you were at, or one in the
8234 ;; We try to find some article after the current one.
8236 (when (gnus-summary-goto-subject (gnus-data-number (car data)) nil t)
8239 (setq data (cdr data))))
8241 ;; If there is no data, that means that we were after the last
8242 ;; article. The same goes when we can't find any articles
8243 ;; after the current one.
8244 (goto-char (point-max))
8245 (gnus-summary-find-prev))
8246 (gnus-set-mode-line 'summary)
8247 ;; We return how many articles were removed from the summary
8248 ;; buffer as a result of the new limit.
8249 (- total (length gnus-newsgroup-data))))
8251 (defsubst gnus-invisible-cut-children (threads)
8254 (when (memq (mail-header-number (caar threads)) gnus-newsgroup-limit)
8259 (defsubst gnus-cut-thread (thread)
8260 "Go forwards in the thread until we find an article that we want to display."
8261 (when (or (eq gnus-fetch-old-headers 'some)
8262 (eq gnus-fetch-old-headers 'invisible)
8263 (numberp gnus-fetch-old-headers)
8264 (eq gnus-build-sparse-threads 'some)
8265 (eq gnus-build-sparse-threads 'more))
8266 ;; Deal with old-fetched headers and sparse threads.
8270 (gnus-summary-article-sparse-p (mail-header-number (car thread)))
8271 (gnus-summary-article-ancient-p
8272 (mail-header-number (car thread))))
8273 (if (or (<= (length (cdr thread)) 1)
8274 (eq gnus-fetch-old-headers 'invisible))
8275 (setq gnus-newsgroup-limit
8276 (delq (mail-header-number (car thread))
8277 gnus-newsgroup-limit)
8278 thread (cadr thread))
8279 (when (gnus-invisible-cut-children (cdr thread))
8280 (let ((th (cdr thread)))
8282 (if (memq (mail-header-number (caar th))
8283 gnus-newsgroup-limit)
8284 (setq thread (car th)
8286 (setq th (cdr th))))))))))
8289 (defun gnus-cut-threads (threads)
8290 "Cut off all uninteresting articles from the beginning of THREADS."
8291 (when (or (eq gnus-fetch-old-headers 'some)
8292 (eq gnus-fetch-old-headers 'invisible)
8293 (numberp gnus-fetch-old-headers)
8294 (eq gnus-build-sparse-threads 'some)
8295 (eq gnus-build-sparse-threads 'more))
8298 (setcar th (gnus-cut-thread (car th)))
8299 (setq th (cdr th)))))
8300 ;; Remove nixed out threads.
8303 (defun gnus-summary-initial-limit (&optional show-if-empty)
8304 "Figure out what the initial limit is supposed to be on group entry.
8305 This entails weeding out unwanted dormants, low-scored articles,
8306 fetch-old-headers verbiage, and so on."
8307 ;; Most groups have nothing to remove.
8308 (if (or gnus-inhibit-limiting
8309 (and (null gnus-newsgroup-dormant)
8310 (eq gnus-newsgroup-display 'gnus-not-ignore)
8311 (not (eq gnus-fetch-old-headers 'some))
8312 (not (numberp gnus-fetch-old-headers))
8313 (not (eq gnus-fetch-old-headers 'invisible))
8314 (null gnus-summary-expunge-below)
8315 (not (eq gnus-build-sparse-threads 'some))
8316 (not (eq gnus-build-sparse-threads 'more))
8317 (null gnus-thread-expunge-below)
8318 (not gnus-use-nocem)))
8320 (push gnus-newsgroup-limit gnus-newsgroup-limits)
8321 (setq gnus-newsgroup-limit nil)
8324 (unless (car (symbol-value node))
8325 ;; These threads have no parents -- they are roots.
8326 (let ((nodes (cdr (symbol-value node)))
8329 (if (and gnus-thread-expunge-below
8330 (< (gnus-thread-total-score (car nodes))
8331 gnus-thread-expunge-below))
8332 (gnus-expunge-thread (pop nodes))
8333 (setq thread (pop nodes))
8334 (gnus-summary-limit-children thread))))))
8335 gnus-newsgroup-dependencies)
8336 ;; If this limitation resulted in an empty group, we might
8337 ;; pop the previous limit and use it instead.
8338 (when (and (not gnus-newsgroup-limit)
8340 (setq gnus-newsgroup-limit (pop gnus-newsgroup-limits)))
8341 gnus-newsgroup-limit))
8343 (defun gnus-summary-limit-children (thread)
8344 "Return 1 if this subthread is visible and 0 if it is not."
8345 ;; First we get the number of visible children to this thread. This
8346 ;; is done by recursing down the thread using this function, so this
8347 ;; will really go down to a leaf article first, before slowly
8348 ;; working its way up towards the root.
8350 (let* ((max-lisp-eval-depth 5000)
8353 (apply '+ (mapcar 'gnus-summary-limit-children
8356 (number (mail-header-number (car thread)))
8359 (not (memq number gnus-newsgroup-marked))
8361 ;; If this article is dormant and has absolutely no visible
8362 ;; children, then this article isn't visible.
8363 (and (memq number gnus-newsgroup-dormant)
8365 ;; If this is "fetch-old-headered" and there is no
8366 ;; visible children, then we don't want this article.
8367 (and (or (eq gnus-fetch-old-headers 'some)
8368 (numberp gnus-fetch-old-headers))
8369 (gnus-summary-article-ancient-p number)
8371 ;; If this is "fetch-old-headered" and `invisible', then
8372 ;; we don't want this article.
8373 (and (eq gnus-fetch-old-headers 'invisible)
8374 (gnus-summary-article-ancient-p number))
8375 ;; If this is a sparsely inserted article with no children,
8376 ;; we don't want it.
8377 (and (eq gnus-build-sparse-threads 'some)
8378 (gnus-summary-article-sparse-p number)
8380 ;; If we use expunging, and this article is really
8381 ;; low-scored, then we don't want this article.
8382 (when (and gnus-summary-expunge-below
8384 (or (cdr (assq number gnus-newsgroup-scored))
8385 gnus-summary-default-score))
8386 gnus-summary-expunge-below))
8387 ;; We increase the expunge-tally here, but that has
8388 ;; nothing to do with the limits, really.
8389 (incf gnus-newsgroup-expunged-tally)
8390 ;; We also mark as read here, if that's wanted.
8391 (when (and gnus-summary-mark-below
8392 (< score gnus-summary-mark-below))
8393 (setq gnus-newsgroup-unreads
8394 (delq number gnus-newsgroup-unreads))
8395 (if gnus-newsgroup-auto-expire
8396 (push number gnus-newsgroup-expirable)
8397 (push (cons number gnus-low-score-mark)
8398 gnus-newsgroup-reads)))
8400 ;; Do the `display' group parameter.
8401 (and gnus-newsgroup-display
8402 (not (funcall gnus-newsgroup-display)))
8403 ;; Check NoCeM things.
8404 (when (and gnus-use-nocem
8405 (gnus-nocem-unwanted-article-p
8406 (mail-header-id (car thread))))
8407 (setq gnus-newsgroup-unreads
8408 (delq number gnus-newsgroup-unreads))
8410 ;; Nope, invisible article.
8412 ;; Ok, this article is to be visible, so we add it to the limit
8414 (push number gnus-newsgroup-limit)
8417 (defun gnus-expunge-thread (thread)
8418 "Mark all articles in THREAD as read."
8419 (let* ((number (mail-header-number (car thread))))
8420 (incf gnus-newsgroup-expunged-tally)
8421 ;; We also mark as read here, if that's wanted.
8422 (setq gnus-newsgroup-unreads
8423 (delq number gnus-newsgroup-unreads))
8424 (if gnus-newsgroup-auto-expire
8425 (push number gnus-newsgroup-expirable)
8426 (push (cons number gnus-low-score-mark)
8427 gnus-newsgroup-reads)))
8428 ;; Go recursively through all subthreads.
8429 (mapcar 'gnus-expunge-thread (cdr thread)))
8431 ;; Summary article oriented commands
8433 (defun gnus-summary-refer-parent-article (n)
8434 "Refer parent article N times.
8435 If N is negative, go to ancestor -N instead.
8436 The difference between N and the number of articles fetched is returned."
8440 (when (not (natnump n))
8445 (setq header (gnus-summary-article-header))
8446 (if (and (eq (mail-header-number header)
8447 (cdr gnus-article-current))
8448 (equal gnus-newsgroup-name
8449 (car gnus-article-current)))
8450 ;; If we try to find the parent of the currently
8451 ;; displayed article, then we take a look at the actual
8452 ;; References header, since this is slightly more
8453 ;; reliable than the References field we got from the
8456 (set-buffer gnus-original-article-buffer)
8457 (nnheader-narrow-to-headers)
8458 (unless (setq ref (message-fetch-field "references"))
8459 (when (setq ref (message-fetch-field "in-reply-to"))
8460 (setq ref (gnus-extract-message-id-from-in-reply-to ref))))
8463 ;; It's not the current article, so we take a bet on
8464 ;; the value we got from the server.
8465 (mail-header-references header)))
8467 (not (equal ref "")))
8468 (unless (gnus-summary-refer-article (gnus-parent-id ref skip))
8469 (gnus-message 1 "Couldn't find parent"))
8470 (gnus-message 1 "No references in article %d"
8471 (gnus-summary-article-number))
8474 (gnus-summary-position-point)
8477 (defun gnus-summary-refer-references ()
8478 "Fetch all articles mentioned in the References header.
8479 Return the number of articles fetched."
8481 (let ((ref (mail-header-references (gnus-summary-article-header)))
8482 (current (gnus-summary-article-number))
8486 (error "No References in the current article")
8487 ;; For each Message-ID in the References header...
8488 (while (string-match "<[^>]*>" ref)
8490 ;; ... fetch that article.
8491 (gnus-summary-refer-article
8492 (prog1 (match-string 0 ref)
8493 (setq ref (substring ref (match-end 0))))))
8494 (gnus-summary-goto-subject current)
8495 (gnus-summary-position-point)
8498 (defun gnus-summary-refer-thread (&optional limit)
8499 "Fetch all articles in the current thread.
8500 If LIMIT (the numerical prefix), fetch that many old headers instead
8501 of what's specified by the `gnus-refer-thread-limit' variable."
8503 (let ((id (mail-header-id (gnus-summary-article-header)))
8504 (limit (if limit (prefix-numeric-value limit)
8505 gnus-refer-thread-limit)))
8506 (unless (eq gnus-fetch-old-headers 'invisible)
8507 (gnus-message 5 "Fetching headers for %s..." gnus-newsgroup-name)
8508 ;; Retrieve the headers and read them in.
8509 (if (eq (if (numberp limit)
8510 (gnus-retrieve-headers
8512 (+ (mail-header-number
8513 (gnus-summary-article-header))
8515 gnus-newsgroup-end))
8516 gnus-newsgroup-name (* limit 2))
8517 ;; gnus-refer-thread-limit is t, i.e. fetch _all_
8519 (gnus-retrieve-headers (list gnus-newsgroup-end)
8520 gnus-newsgroup-name limit))
8522 (gnus-build-all-threads)
8523 (error "Can't fetch thread from back ends that don't support NOV"))
8524 (gnus-message 5 "Fetching headers for %s...done" gnus-newsgroup-name))
8525 (gnus-summary-limit-include-thread id)))
8527 (defun gnus-summary-refer-article (message-id)
8528 "Fetch an article specified by MESSAGE-ID."
8529 (interactive "sMessage-ID: ")
8530 (when (and (stringp message-id)
8531 (not (zerop (length message-id))))
8532 (setq message-id (gnus-replace-in-string message-id " " ""))
8533 ;; Construct the correct Message-ID if necessary.
8534 ;; Suggested by tale@pawl.rpi.edu.
8535 (unless (string-match "^<" message-id)
8536 (setq message-id (concat "<" message-id)))
8537 (unless (string-match ">$" message-id)
8538 (setq message-id (concat message-id ">")))
8539 ;; People often post MIDs from URLs, so unhex it:
8540 (unless (string-match "@" message-id)
8541 (setq message-id (gnus-url-unhex-string message-id)))
8542 (let* ((header (gnus-id-to-header message-id))
8544 (gnus-summary-article-sparse-p
8545 (mail-header-number header))
8546 (memq (mail-header-number header)
8547 gnus-newsgroup-limit)))
8550 ;; If the article is present in the buffer we just go to it.
8552 (or (not (gnus-summary-article-sparse-p
8553 (mail-header-number header)))
8556 (gnus-summary-goto-article
8557 (mail-header-number header) nil t)
8559 (gnus-summary-update-article (mail-header-number header)))))
8561 ;; We fetch the article.
8563 (dolist (gnus-override-method (gnus-refer-article-methods))
8564 (when (and (gnus-check-server gnus-override-method)
8565 ;; Fetch the header,
8566 (setq number (gnus-summary-insert-subject message-id)))
8567 ;; and display the article.
8568 (gnus-summary-select-article nil nil nil number)
8570 (gnus-message 3 "Couldn't fetch article %s" message-id)))))))
8572 (defun gnus-refer-article-methods ()
8573 "Return a list of referable methods."
8575 ;; No method, so we default to current and native.
8576 ((null gnus-refer-article-method)
8577 (list gnus-current-select-method gnus-select-method))
8579 ((eq 'current gnus-refer-article-method)
8580 (list gnus-current-select-method))
8581 ;; List of select methods.
8582 ((not (and (symbolp (car gnus-refer-article-method))
8583 (assq (car gnus-refer-article-method) nnoo-definition-alist)))
8585 (dolist (method gnus-refer-article-method)
8586 (push (if (eq 'current method)
8587 gnus-current-select-method
8591 ;; One single select method.
8593 (list gnus-refer-article-method))))
8595 (defun gnus-summary-edit-parameters ()
8596 "Edit the group parameters of the current group."
8598 (gnus-group-edit-group gnus-newsgroup-name 'params))
8600 (defun gnus-summary-customize-parameters ()
8601 "Customize the group parameters of the current group."
8603 (gnus-group-customize gnus-newsgroup-name))
8605 (defun gnus-summary-enter-digest-group (&optional force)
8606 "Enter an nndoc group based on the current article.
8607 If FORCE, force a digest interpretation. If not, try
8608 to guess what the document format is."
8610 (let ((conf gnus-current-window-configuration))
8611 (save-window-excursion
8613 (let (gnus-article-prepare-hook
8614 gnus-display-mime-function
8616 (gnus-summary-select-article))))
8617 (setq gnus-current-window-configuration conf)
8618 (let* ((name (format "%s-%d"
8619 (gnus-group-prefixed-name
8620 gnus-newsgroup-name (list 'nndoc ""))
8621 (with-current-buffer gnus-summary-buffer
8622 gnus-current-article)))
8623 (ogroup gnus-newsgroup-name)
8624 (params (append (gnus-info-params (gnus-get-info ogroup))
8625 (list (cons 'to-group ogroup))
8626 (list (cons 'parent-group ogroup))
8627 (list (cons 'save-article-group ogroup))))
8628 (case-fold-search t)
8629 (buf (current-buffer))
8632 (set-buffer gnus-original-article-buffer)
8633 ;; Have the digest group inherit the main mail address of
8634 ;; the parent article.
8635 (when (setq to-address (or (gnus-fetch-field "reply-to")
8636 (gnus-fetch-field "from")))
8639 (list (cons 'to-address
8640 (funcall gnus-decode-encoded-address-function
8642 (setq dig (nnheader-set-temp-buffer " *gnus digest buffer*"))
8643 (insert-buffer-substring gnus-original-article-buffer)
8644 ;; Remove lines that may lead nndoc to misinterpret the
8647 (goto-char (point-min))
8648 (or (search-forward "\n\n" nil t) (point)))
8649 (goto-char (point-min))
8650 (delete-matching-lines "^Path:\\|^From ")
8653 (if (let ((gnus-newsgroup-ephemeral-charset gnus-newsgroup-charset)
8654 (gnus-newsgroup-ephemeral-ignored-charsets
8655 gnus-newsgroup-ignored-charsets))
8656 (gnus-group-read-ephemeral-group
8657 name `(nndoc ,name (nndoc-address ,(get-buffer dig))
8659 ,(if force 'mbox 'guess)))
8661 `((adapt-file . ,(gnus-score-file-name gnus-newsgroup-name
8663 ;; Make all postings to this group go to the parent group.
8664 (nconc (gnus-info-params (gnus-get-info name))
8666 ;; Couldn't select this doc group.
8667 (switch-to-buffer buf)
8668 (gnus-set-global-variables)
8669 (gnus-configure-windows 'summary)
8670 (gnus-message 3 "Article couldn't be entered?"))
8671 (kill-buffer dig)))))
8673 (defun gnus-summary-read-document (n)
8674 "Open a new group based on the current article(s).
8675 This will allow you to read digests and other similar
8676 documents as newsgroups.
8677 Obeys the standard process/prefix convention."
8679 (let* ((ogroup gnus-newsgroup-name)
8680 (params (append (gnus-info-params (gnus-get-info ogroup))
8681 (list (cons 'to-group ogroup))))
8682 group egroup groups vgroup)
8683 (dolist (article (gnus-summary-work-articles n))
8684 (setq group (format "%s-%d" gnus-newsgroup-name article))
8685 (gnus-summary-remove-process-mark article)
8686 (when (gnus-summary-display-article article)
8689 (insert-buffer-substring gnus-original-article-buffer)
8690 ;; Remove some headers that may lead nndoc to make
8692 (message-narrow-to-head)
8693 (goto-char (point-min))
8694 (delete-matching-lines "^Path:\\|^From ")
8697 (gnus-group-read-ephemeral-group
8698 group `(nndoc ,group (nndoc-address ,(current-buffer))
8699 (nndoc-article-type guess))
8702 ;; Make all postings to this group go to the parent group.
8703 (nconc (gnus-info-params (gnus-get-info egroup))
8705 (push egroup groups))
8706 ;; Couldn't select this doc group.
8707 (gnus-error 3 "Article couldn't be entered"))))))
8708 ;; Now we have selected all the documents.
8711 (error "None of the articles could be interpreted as documents"))
8712 ((gnus-group-read-ephemeral-group
8713 (setq vgroup (format
8714 "nnvirtual:%s-%s" gnus-newsgroup-name
8715 (format-time-string "%Y%m%dT%H%M%S" (current-time))))
8716 `(nnvirtual ,vgroup (nnvirtual-component-groups ,groups))
8718 (cons (current-buffer) 'summary)))
8720 (error "Couldn't select virtual nndoc group")))))
8722 (defun gnus-summary-isearch-article (&optional regexp-p)
8723 "Do incremental search forward on the current article.
8724 If REGEXP-P (the prefix) is non-nil, do regexp isearch."
8726 (gnus-summary-select-article)
8727 (gnus-configure-windows 'article)
8728 (gnus-eval-in-buffer-window gnus-article-buffer
8731 (isearch-forward regexp-p))))
8733 (defun gnus-summary-repeat-search-article-forward ()
8734 "Repeat the previous search forwards."
8736 (unless gnus-last-search-regexp
8737 (error "No previous search"))
8738 (gnus-summary-search-article-forward gnus-last-search-regexp))
8740 (defun gnus-summary-repeat-search-article-backward ()
8741 "Repeat the previous search backwards."
8743 (unless gnus-last-search-regexp
8744 (error "No previous search"))
8745 (gnus-summary-search-article-forward gnus-last-search-regexp t))
8747 (defun gnus-summary-search-article-forward (regexp &optional backward)
8748 "Search for an article containing REGEXP forward.
8749 If BACKWARD, search backward instead."
8752 (format "Search article %s (regexp%s): "
8753 (if current-prefix-arg "backward" "forward")
8754 (if gnus-last-search-regexp
8755 (concat ", default " gnus-last-search-regexp)
8757 current-prefix-arg))
8758 (if (string-equal regexp "")
8759 (setq regexp (or gnus-last-search-regexp ""))
8760 (setq gnus-last-search-regexp regexp)
8761 (setq gnus-article-before-search gnus-current-article))
8762 ;; Intentionally set gnus-last-article.
8763 (setq gnus-last-article gnus-article-before-search)
8764 (let ((gnus-last-article gnus-last-article))
8765 (if (gnus-summary-search-article regexp backward)
8766 (gnus-summary-show-thread)
8767 (signal 'search-failed (list regexp)))))
8769 (defun gnus-summary-search-article-backward (regexp)
8770 "Search for an article containing REGEXP backward."
8773 (format "Search article backward (regexp%s): "
8774 (if gnus-last-search-regexp
8775 (concat ", default " gnus-last-search-regexp)
8777 (gnus-summary-search-article-forward regexp 'backward))
8779 (defun gnus-summary-search-article (regexp &optional backward)
8780 "Search for an article containing REGEXP.
8781 Optional argument BACKWARD means do search for backward.
8782 `gnus-select-article-hook' is not called during the search."
8783 ;; We have to require this here to make sure that the following
8784 ;; dynamic binding isn't shadowed by autoloading.
8785 (require 'gnus-async)
8787 (let ((gnus-select-article-hook nil) ;Disable hook.
8788 (gnus-article-prepare-hook nil)
8789 (gnus-mark-article-hook nil) ;Inhibit marking as read.
8790 (gnus-use-article-prefetch nil)
8791 (gnus-xmas-force-redisplay nil) ;Inhibit XEmacs redisplay.
8792 (gnus-use-trees nil) ;Inhibit updating tree buffer.
8794 (gnus-keep-backlog nil)
8795 (gnus-break-pages nil)
8796 (gnus-summary-display-arrow nil)
8797 (gnus-updated-mode-lines nil)
8798 (gnus-auto-center-summary nil)
8799 (sum (current-buffer))
8800 (gnus-display-mime-function nil)
8803 (gnus-save-hidden-threads
8804 (gnus-summary-select-article)
8805 (set-buffer gnus-article-buffer)
8806 (goto-char (window-point (get-buffer-window (current-buffer))))
8810 (gnus-message 7 "Searching article: %d..." (cdr gnus-article-current))
8812 (re-search-backward regexp nil t)
8813 (re-search-forward regexp nil t))
8814 ;; We found the regexp.
8819 (get-buffer-window (current-buffer))
8823 (get-buffer-window (current-buffer))
8826 (setq point (point)))
8827 ;; We didn't find it, so we go to the next article.
8830 (while (eq found 'not)
8831 (if (not (if backward (gnus-summary-find-prev)
8832 (gnus-summary-find-next)))
8833 ;; No more articles.
8835 ;; Select the next article and adjust point.
8836 (unless (gnus-summary-article-sparse-p
8837 (gnus-summary-article-number))
8839 (gnus-summary-select-article)
8840 (set-buffer gnus-article-buffer)
8842 (goto-char (if backward (point-max) (point-min))))))))
8843 (gnus-message 7 ""))
8844 ;; Return whether we found the regexp.
8845 (when (eq found 'found)
8847 (gnus-summary-show-thread)
8848 (gnus-summary-goto-subject gnus-current-article)
8849 (gnus-summary-position-point)
8852 (defun gnus-find-matching-articles (header regexp)
8853 "Return a list of all articles that match REGEXP on HEADER.
8854 This search includes all articles in the current group that Gnus has
8855 fetched headers for, whether they are displayed or not."
8856 (let ((articles nil)
8857 (func `(lambda (h) (,(intern (concat "mail-header-" header)) h)))
8858 (case-fold-search t))
8859 (dolist (header gnus-newsgroup-headers)
8860 (when (string-match regexp (funcall func header))
8861 (push (mail-header-number header) articles)))
8862 (nreverse articles)))
8864 (defun gnus-summary-find-matching (header regexp &optional backward unread
8865 not-case-fold not-matching)
8866 "Return a list of all articles that match REGEXP on HEADER.
8867 The search stars on the current article and goes forwards unless
8868 BACKWARD is non-nil. If BACKWARD is `all', do all articles.
8869 If UNREAD is non-nil, only unread articles will
8870 be taken into consideration. If NOT-CASE-FOLD, case won't be folded
8871 in the comparisons. If NOT-MATCHING, return a list of all articles that
8872 not match REGEXP on HEADER."
8873 (let ((case-fold-search (not not-case-fold))
8876 (if (eq (car header) 'extra)
8879 (or (cdr (assq ',(cdr header) (mail-header-extra h)))
8881 (error "%s is an invalid header" header))
8882 (unless (fboundp (intern (concat "mail-header-" header)))
8883 (error "%s is not a valid header" header))
8884 (setq func `(lambda (h) (,(intern (concat "mail-header-" header)) h))))
8885 (dolist (d (if (eq backward 'all)
8887 (gnus-data-find-list
8888 (gnus-summary-article-number)
8889 (gnus-data-list backward))))
8890 (when (and (or (not unread) ; We want all articles...
8891 (gnus-data-unread-p d)) ; Or just unreads.
8892 (vectorp (gnus-data-header d)) ; It's not a pseudo.
8896 (funcall func (gnus-data-header d))))
8897 (string-match regexp
8898 (funcall func (gnus-data-header d)))))
8899 (push (gnus-data-number d) articles))) ; Success!
8900 (nreverse articles)))
8902 (defun gnus-summary-execute-command (header regexp command &optional backward)
8903 "Search forward for an article whose HEADER matches REGEXP and execute COMMAND.
8904 If HEADER is an empty string (or nil), the match is done on the entire
8905 article. If BACKWARD (the prefix) is non-nil, search backward instead."
8907 (list (let ((completion-ignore-case t))
8910 (mapcar (lambda (header) (list (format "%s" header)))
8912 '("Number" "Subject" "From" "Lines" "Date"
8913 "Message-ID" "Xref" "References" "Body")
8914 gnus-extra-headers))
8915 nil 'require-match))
8916 (read-string "Regexp: ")
8917 (read-key-sequence "Command: ")
8918 current-prefix-arg))
8919 (when (equal header "Body")
8921 ;; Hidden thread subtrees must be searched as well.
8922 (gnus-summary-show-all-threads)
8923 ;; We don't want to change current point nor window configuration.
8925 (save-window-excursion
8927 gnus-treat-strip-trailing-blank-lines
8928 gnus-treat-strip-leading-blank-lines
8929 gnus-treat-strip-multiple-blank-lines
8930 gnus-treat-hide-boring-headers
8931 gnus-treat-fold-newsgroups
8932 gnus-article-prepare-hook)
8933 (gnus-message 6 "Executing %s..." (key-description command))
8934 ;; We'd like to execute COMMAND interactively so as to give arguments.
8935 (gnus-execute header regexp
8936 `(call-interactively ',(key-binding command))
8938 (gnus-message 6 "Executing %s...done" (key-description command))))))
8940 (defun gnus-summary-beginning-of-article ()
8941 "Scroll the article back to the beginning."
8943 (gnus-summary-select-article)
8944 (gnus-configure-windows 'article)
8945 (gnus-eval-in-buffer-window gnus-article-buffer
8947 (goto-char (point-min))
8948 (when gnus-break-pages
8949 (gnus-narrow-to-page))))
8951 (defun gnus-summary-end-of-article ()
8952 "Scroll to the end of the article."
8954 (gnus-summary-select-article)
8955 (gnus-configure-windows 'article)
8956 (gnus-eval-in-buffer-window gnus-article-buffer
8958 (goto-char (point-max))
8960 (when gnus-break-pages
8961 (when (re-search-backward page-delimiter nil t)
8962 (narrow-to-region (match-end 0) (point-max)))
8963 (gnus-narrow-to-page))))
8965 (defun gnus-summary-print-truncate-and-quote (string &optional len)
8966 "Truncate to LEN and quote all \"(\"'s in STRING."
8967 (gnus-replace-in-string (if (and len (> (length string) len))
8968 (substring string 0 len)
8972 (defun gnus-summary-print-article (&optional filename n)
8973 "Generate and print a PostScript image of the process-marked (mail) articles.
8975 If used interactively, print the current article if none are
8976 process-marked. With prefix arg, prompt the user for the name of the
8979 When used from Lisp, accept two optional args FILENAME and N. N means
8980 to print the next N articles. If N is negative, print the N previous
8981 articles. If N is nil and articles have been marked with the process
8982 mark, print these instead.
8984 If the optional first argument FILENAME is nil, send the image to the
8985 printer. If FILENAME is a string, save the PostScript image in a file with
8986 that name. If FILENAME is a number, prompt the user for the name of the file
8988 (interactive (list (ps-print-preprint current-prefix-arg)))
8989 (dolist (article (gnus-summary-work-articles n))
8990 (gnus-summary-select-article nil nil 'pseudo article)
8991 (gnus-eval-in-buffer-window gnus-article-buffer
8992 (gnus-print-buffer))
8993 (gnus-summary-remove-process-mark article))
8994 (ps-despool filename))
8996 (defun gnus-print-buffer ()
8997 (let ((buffer (generate-new-buffer " *print*")))
9000 (copy-to-buffer buffer (point-min) (point-max))
9002 (gnus-remove-text-with-property 'gnus-decoration)
9003 (when (gnus-visual-p 'article-highlight 'highlight)
9004 ;; Copy-to-buffer doesn't copy overlay. So redo
9006 (let ((gnus-article-buffer buffer))
9007 (gnus-article-highlight-citation t)
9008 (gnus-article-highlight-signature)
9009 (gnus-article-emphasize)
9010 (gnus-article-delete-invisible-text)))
9011 (let ((ps-left-header
9014 (gnus-summary-print-truncate-and-quote
9015 (mail-header-subject gnus-current-headers)
9018 (gnus-summary-print-truncate-and-quote
9019 (mail-header-from gnus-current-headers)
9023 "/pagenumberstring load"
9025 (mail-header-date gnus-current-headers) ")"))))
9026 (gnus-run-hooks 'gnus-ps-print-hook)
9029 (ps-spool-buffer-with-faces)
9030 (ps-spool-buffer)))))
9031 (kill-buffer buffer))))
9033 (defun gnus-summary-show-article (&optional arg)
9034 "Force redisplaying of the current article.
9035 If ARG (the prefix) is a number, show the article with the charset
9036 defined in `gnus-summary-show-article-charset-alist', or the charset
9038 If ARG (the prefix) is non-nil and not a number, show the raw article
9039 without any article massaging functions being run. Normally, the key
9040 strokes are `C-u g'."
9044 (gnus-summary-show-article t)
9045 (let ((gnus-newsgroup-charset
9046 (or (cdr (assq arg gnus-summary-show-article-charset-alist))
9047 (mm-read-coding-system
9048 "View as charset: " ;; actually it is coding system.
9049 (with-current-buffer gnus-article-buffer
9050 (mm-detect-coding-region (point) (point-max))))))
9051 (gnus-newsgroup-ignored-charsets 'gnus-all))
9052 (gnus-summary-select-article nil 'force)
9053 (let ((deps gnus-newsgroup-dependencies)
9056 (set-buffer gnus-original-article-buffer)
9058 (message-narrow-to-head)
9059 (setq head (buffer-string))
9060 (goto-char (point-min))
9061 (unless (re-search-forward "^lines:[ \t]\\([0-9]+\\)" nil t)
9062 (goto-char (point-max))
9064 (setq lines (1- (count-lines (point) (point-max))))))
9066 (insert (format "211 %d Article retrieved.\n"
9067 (cdr gnus-article-current)))
9069 (if lines (insert (format "Lines: %d\n" lines)))
9071 (let ((nntp-server-buffer (current-buffer)))
9072 (setq header (car (gnus-get-newsgroup-headers deps t))))))
9073 (gnus-data-set-header
9074 (gnus-data-find (cdr gnus-article-current))
9076 (gnus-summary-update-article-line
9077 (cdr gnus-article-current) header)
9078 (when (gnus-summary-goto-subject (cdr gnus-article-current) nil t)
9079 (gnus-summary-update-secondary-mark (cdr gnus-article-current))))))
9081 ;; Select the article the normal way.
9082 (gnus-summary-select-article nil 'force))
9084 ;; We have to require this here to make sure that the following
9085 ;; dynamic binding isn't shadowed by autoloading.
9086 (require 'gnus-async)
9088 ;; Bind the article treatment functions to nil.
9089 (let ((gnus-have-all-headers t)
9090 gnus-article-prepare-hook
9091 gnus-article-decode-hook
9092 gnus-display-mime-function
9094 ;; Destroy any MIME parts.
9095 (when (gnus-buffer-live-p gnus-article-buffer)
9097 (set-buffer gnus-article-buffer)
9098 (mm-destroy-parts gnus-article-mime-handles)
9099 ;; Set it to nil for safety reason.
9100 (setq gnus-article-mime-handle-alist nil)
9101 (setq gnus-article-mime-handles nil)))
9102 (gnus-summary-select-article nil 'force))))
9103 (gnus-summary-goto-subject gnus-current-article)
9104 (gnus-summary-position-point))
9106 (defun gnus-summary-show-raw-article ()
9107 "Show the raw article without any article massaging functions being run."
9109 (gnus-summary-show-article t))
9111 (defun gnus-summary-verbose-headers (&optional arg)
9112 "Toggle permanent full header display.
9113 If ARG is a positive number, turn header display on.
9114 If ARG is a negative number, turn header display off."
9116 (setq gnus-show-all-headers
9117 (cond ((or (not (numberp arg))
9119 (not gnus-show-all-headers))
9122 (gnus-summary-show-article))
9124 (defun gnus-summary-toggle-header (&optional arg)
9125 "Show the headers if they are hidden, or hide them if they are shown.
9126 If ARG is a positive number, show the entire header.
9127 If ARG is a negative number, hide the unwanted header lines."
9129 (let ((window (and (gnus-buffer-live-p gnus-article-buffer)
9130 (get-buffer-window gnus-article-buffer t))))
9131 (with-current-buffer gnus-article-buffer
9133 (article-narrow-to-head)
9134 (let* ((buffer-read-only nil)
9135 (inhibit-point-motion-hooks t)
9136 (hidden (if (numberp arg)
9138 (or (not (looking-at "[^ \t\n]+:"))
9139 (gnus-article-hidden-text-p 'headers))))
9141 (delete-region (point-min) (point-max))
9142 (with-current-buffer gnus-original-article-buffer
9143 (goto-char (setq s (point-min)))
9144 (setq e (if (search-forward "\n\n" nil t)
9147 (insert-buffer-substring gnus-original-article-buffer s e)
9148 (run-hooks 'gnus-article-decode-hook)
9150 (let ((gnus-treat-hide-headers nil)
9151 (gnus-treat-hide-boring-headers nil))
9152 (gnus-delete-wash-type 'headers)
9153 (gnus-treat-article 'head))
9154 (gnus-treat-article 'head))
9157 (set-window-start window (goto-char (point-min))))
9158 (if gnus-break-pages
9159 (gnus-narrow-to-page)
9160 (when (gnus-visual-p 'page-marker)
9161 (let ((buffer-read-only nil))
9162 (gnus-remove-text-with-property 'gnus-prev)
9163 (gnus-remove-text-with-property 'gnus-next))))
9164 (gnus-set-mode-line 'article)))))
9166 (defun gnus-summary-show-all-headers ()
9167 "Make all header lines visible."
9169 (gnus-summary-toggle-header 1))
9171 (defun gnus-summary-caesar-message (&optional arg)
9172 "Caesar rotate the current article by 13.
9173 With a non-numerical prefix, also rotate headers. A numerical
9174 prefix specifies how many places to rotate each letter forward."
9176 (gnus-summary-select-article)
9177 (let ((mail-header-separator ""))
9178 (gnus-eval-in-buffer-window gnus-article-buffer
9181 (let ((start (window-start))
9183 (if (equal arg '(4))
9184 (message-caesar-buffer-body nil t)
9185 (message-caesar-buffer-body arg))
9186 (set-window-start (get-buffer-window (current-buffer)) start)))))
9187 ;; Create buttons and stuff...
9188 (gnus-treat-article nil))
9190 (defun gnus-summary-idna-message (&optional arg)
9191 "Decode IDNA encoded domain names in the current articles.
9192 IDNA encoded domain names looks like `xn--bar'. If a string
9193 remain unencoded after running this function, it is likely an
9194 invalid IDNA string (`xn--bar' is invalid).
9196 You must have GNU Libidn (`http://www.gnu.org/software/libidn/')
9197 installed for this command to work."
9199 (if (not (and (condition-case nil (require 'idna)
9201 (mm-coding-system-p 'utf-8)
9202 (executable-find (symbol-value 'idna-program))))
9204 5 "GNU Libidn not installed properly (`idn' or `idna.el' missing)")
9205 (gnus-summary-select-article)
9206 (let ((mail-header-separator ""))
9207 (gnus-eval-in-buffer-window gnus-article-buffer
9210 (let ((start (window-start))
9212 (while (re-search-forward "\\(xn--[-0-9a-z]+\\)" nil t)
9213 (replace-match (idna-to-unicode (match-string 1))))
9214 (set-window-start (get-buffer-window (current-buffer)) start)))))))
9216 (defun gnus-summary-morse-message (&optional arg)
9217 "Morse decode the current article."
9219 (gnus-summary-select-article)
9220 (let ((mail-header-separator ""))
9221 (gnus-eval-in-buffer-window gnus-article-buffer
9225 (let ((pos (window-start))
9227 (goto-char (point-min))
9228 (when (message-goto-body)
9229 (gnus-narrow-to-body))
9230 (goto-char (point-min))
9231 (while (search-forward "·" (point-max) t)
9232 (replace-match "."))
9233 (unmorse-region (point-min) (point-max))
9235 (set-window-start (get-buffer-window (current-buffer)) pos)))))))
9237 (defun gnus-summary-stop-page-breaking ()
9238 "Stop page breaking in the current article."
9240 (gnus-summary-select-article)
9241 (gnus-eval-in-buffer-window gnus-article-buffer
9243 (when (gnus-visual-p 'page-marker)
9244 (let ((buffer-read-only nil))
9245 (gnus-remove-text-with-property 'gnus-prev)
9246 (gnus-remove-text-with-property 'gnus-next))
9247 (setq gnus-page-broken nil))))
9249 (defun gnus-summary-move-article (&optional n to-newsgroup
9250 select-method action)
9251 "Move the current article to a different newsgroup.
9252 If N is a positive number, move the N next articles.
9253 If N is a negative number, move the N previous articles.
9254 If N is nil and any articles have been marked with the process mark,
9255 move those articles instead.
9256 If TO-NEWSGROUP is string, do not prompt for a newsgroup to move to.
9257 If SELECT-METHOD is non-nil, do not move to a specific newsgroup, but
9258 re-spool using this method.
9260 When called interactively with TO-NEWSGROUP being nil, the value of
9261 the variable `gnus-move-split-methods' is used for finding a default
9262 for the target newsgroup.
9264 For this function to work, both the current newsgroup and the
9265 newsgroup that you want to move to have to support the `request-move'
9266 and `request-accept' functions.
9268 ACTION can be either `move' (the default), `crosspost' or `copy'."
9271 (setq action 'move))
9272 ;; Check whether the source group supports the required functions.
9273 (cond ((and (eq action 'move)
9274 (not (gnus-check-backend-function
9275 'request-move-article gnus-newsgroup-name)))
9276 (error "The current group does not support article moving"))
9277 ((and (eq action 'crosspost)
9278 (not (gnus-check-backend-function
9279 'request-replace-article gnus-newsgroup-name)))
9280 (error "The current group does not support article editing")))
9281 (let ((articles (gnus-summary-work-articles n))
9282 (prefix (if (gnus-check-backend-function
9283 'request-move-article gnus-newsgroup-name)
9284 (funcall gnus-move-group-prefix-function
9285 gnus-newsgroup-name)
9287 (names '((move "Move" "Moving")
9288 (copy "Copy" "Copying")
9289 (crosspost "Crosspost" "Crossposting")))
9290 (copy-buf (save-excursion
9291 (nnheader-set-temp-buffer " *copy article*")))
9292 art-group to-method new-xref article to-groups articles-to-update-marks)
9293 (unless (assq action names)
9294 (error "Unknown action %s" action))
9295 ;; Read the newsgroup name.
9296 (when (and (not to-newsgroup)
9297 (not select-method))
9298 (if (and gnus-move-split-methods
9300 (and (memq gnus-current-article articles)
9301 (gnus-buffer-live-p gnus-original-article-buffer))))
9302 ;; When `gnus-move-split-methods' is non-nil, we have to
9303 ;; select an article to give `gnus-read-move-group-name' an
9304 ;; opportunity to suggest an appropriate default. However,
9305 ;; we needn't render or mark the article.
9306 (let ((gnus-display-mime-function nil)
9307 (gnus-article-prepare-hook nil)
9308 (gnus-mark-article-hook nil))
9309 (gnus-summary-select-article nil nil nil (car articles))))
9311 (gnus-read-move-group-name
9312 (cadr (assq action names))
9313 (symbol-value (intern (format "gnus-current-%s-group" action)))
9315 (set (intern (format "gnus-current-%s-group" action)) to-newsgroup))
9316 (setq to-method (or select-method
9317 (gnus-server-to-method
9318 (gnus-group-method to-newsgroup))))
9319 ;; Check the method we are to move this article to...
9320 (unless (gnus-check-backend-function
9321 'request-accept-article (car to-method))
9322 (error "%s does not support article copying" (car to-method)))
9323 (unless (gnus-check-server to-method)
9324 (error "Can't open server %s" (car to-method)))
9325 (gnus-message 6 "%s to %s: %s..."
9326 (caddr (assq action names))
9327 (or (car select-method) to-newsgroup) articles)
9329 (setq article (pop articles))
9333 ;; Move the article.
9335 ;; Remove this article from future suppression.
9336 (gnus-dup-unsuppress-article article)
9337 (let* ((from-method (gnus-find-method-for-group
9338 gnus-newsgroup-name))
9339 (to-method (gnus-find-method-for-group
9341 (move-is-internal (gnus-method-equal from-method to-method)))
9342 (gnus-request-move-article
9343 article ; Article to move
9344 gnus-newsgroup-name ; From newsgroup
9345 (nth 1 (gnus-find-method-for-group
9346 gnus-newsgroup-name)) ; Server
9347 (list 'gnus-request-accept-article
9348 to-newsgroup (list 'quote select-method)
9349 (not articles) t) ; Accept form
9350 (not articles) ; Only save nov last time
9351 move-is-internal))) ; is this move internal?
9352 ;; Copy the article.
9355 (set-buffer copy-buf)
9356 (when (gnus-request-article-this-buffer article gnus-newsgroup-name)
9358 (nnheader-narrow-to-headers)
9359 (dolist (hdr gnus-copy-article-ignored-headers)
9360 (message-remove-header hdr t)))
9361 (gnus-request-accept-article
9362 to-newsgroup select-method (not articles) t))))
9363 ;; Crosspost the article.
9364 ((eq action 'crosspost)
9365 (let ((xref (message-tokenize-header
9366 (mail-header-xref (gnus-summary-article-header article))
9368 (setq new-xref (concat (gnus-group-real-name gnus-newsgroup-name)
9369 ":" (number-to-string article)))
9371 (setq xref (list (system-name))))
9374 (mapconcat 'identity
9375 (delete "Xref:" (delete new-xref xref))
9379 (set-buffer copy-buf)
9380 ;; First put the article in the destination group.
9381 (gnus-request-article-this-buffer article gnus-newsgroup-name)
9382 (when (consp (setq art-group
9383 (gnus-request-accept-article
9384 to-newsgroup select-method (not articles) t)))
9385 (setq new-xref (concat new-xref " " (car art-group)
9387 (number-to-string (cdr art-group))))
9388 ;; Now we have the new Xrefs header, so we insert
9389 ;; it and replace the new article.
9390 (nnheader-replace-header "Xref" new-xref)
9391 (gnus-request-replace-article
9392 (cdr art-group) to-newsgroup (current-buffer) t)
9396 (gnus-message 1 "Couldn't %s article %s: %s"
9397 (cadr (assq action names)) article
9398 (nnheader-get-report (car to-method))))
9399 ((eq art-group 'junk)
9400 (when (eq action 'move)
9401 (gnus-summary-mark-article article gnus-canceled-mark)
9402 (gnus-message 4 "Deleted article %s" article)
9403 ;; run the delete hook
9404 (run-hook-with-args 'gnus-summary-article-delete-hook
9407 (assoc article (gnus-data-list nil)))
9408 gnus-newsgroup-name nil
9411 (let* ((pto-group (gnus-group-prefixed-name
9412 (car art-group) to-method))
9413 (info (gnus-get-info pto-group))
9414 (to-group (gnus-info-group info))
9416 ;; Update the group that has been moved to.
9418 (memq action '(move copy)))
9419 (unless (member to-group to-groups)
9420 (push to-group to-groups))
9422 (unless (memq article gnus-newsgroup-unreads)
9423 (push 'read to-marks)
9425 info (gnus-add-to-range (gnus-info-read info)
9426 (list (cdr art-group)))))
9428 ;; See whether the article is to be put in the cache.
9429 (let ((marks (if (gnus-group-auto-expirable-p to-group)
9430 gnus-article-mark-lists
9431 (delete '(expirable . expire)
9432 (copy-sequence gnus-article-mark-lists))))
9433 (to-article (cdr art-group)))
9435 ;; Enter the article into the cache in the new group,
9436 ;; if that is required.
9437 (when gnus-use-cache
9438 (gnus-cache-possibly-enter-article
9440 (memq article gnus-newsgroup-marked)
9441 (memq article gnus-newsgroup-dormant)
9442 (memq article gnus-newsgroup-unreads)))
9444 (when gnus-preserve-marks
9445 ;; Copy any marks over to the new group.
9446 (when (and (equal to-group gnus-newsgroup-name)
9447 (not (memq article gnus-newsgroup-unreads)))
9448 ;; Mark this article as read in this group.
9449 (push (cons to-article gnus-read-mark) gnus-newsgroup-reads)
9450 (setcdr (gnus-active to-group) to-article)
9451 (setcdr gnus-newsgroup-active to-article))
9454 (when (eq (gnus-article-mark-to-type (cdar marks)) 'list)
9455 (when (memq article (symbol-value
9456 (intern (format "gnus-newsgroup-%s"
9458 (push (cdar marks) to-marks)
9459 ;; If the other group is the same as this group,
9460 ;; then we have to add the mark to the list.
9461 (when (equal to-group gnus-newsgroup-name)
9462 (set (intern (format "gnus-newsgroup-%s" (caar marks)))
9465 (intern (format "gnus-newsgroup-%s"
9467 ;; Copy the marks to other group.
9468 (gnus-add-marked-articles
9469 to-group (cdar marks) (list to-article) info)))
9470 (setq marks (cdr marks)))
9472 (gnus-request-set-mark
9473 to-group (list (list (list to-article) 'add to-marks))))
9476 (concat "(gnus-group-set-info '"
9477 (gnus-prin1-to-string (gnus-get-info to-group))
9480 ;; Update the Xref header in this article to point to
9481 ;; the new crossposted article we have just created.
9482 (when (eq action 'crosspost)
9484 (set-buffer copy-buf)
9485 (gnus-request-article-this-buffer article gnus-newsgroup-name)
9486 (nnheader-replace-header "Xref" new-xref)
9487 (gnus-request-replace-article
9488 article gnus-newsgroup-name (current-buffer) t)))
9490 ;; run the move/copy/crosspost/respool hook
9491 (run-hook-with-args 'gnus-summary-article-move-hook
9494 (assoc article (gnus-data-list nil)))
9499 ;;;!!!Why is this necessary?
9500 (set-buffer gnus-summary-buffer)
9502 (gnus-summary-goto-subject article)
9503 (when (eq action 'move)
9504 (gnus-summary-mark-article article gnus-canceled-mark))))
9505 (push article articles-to-update-marks))
9507 (apply 'gnus-summary-remove-process-mark articles-to-update-marks)
9508 ;; Re-activate all groups that have been moved to.
9510 (set-buffer gnus-group-buffer)
9511 (let ((gnus-group-marked to-groups))
9512 (gnus-group-get-new-news-this-group nil t)))
9514 (gnus-kill-buffer copy-buf)
9515 (gnus-summary-position-point)
9516 (gnus-set-mode-line 'summary)))
9518 (defun gnus-summary-copy-article (&optional n to-newsgroup select-method)
9519 "Copy the current article to some other group.
9520 If TO-NEWSGROUP is string, do not prompt for a newsgroup to copy to.
9521 When called interactively, if TO-NEWSGROUP is nil, use the value of
9522 the variable `gnus-move-split-methods' for finding a default target
9524 If SELECT-METHOD is non-nil, do not move to a specific newsgroup, but
9525 re-spool using this method."
9527 (gnus-summary-move-article n to-newsgroup select-method 'copy))
9529 (defun gnus-summary-crosspost-article (&optional n)
9530 "Crosspost the current article to some other group."
9532 (gnus-summary-move-article n nil nil 'crosspost))
9534 (defcustom gnus-summary-respool-default-method nil
9535 "Default method type for respooling an article.
9536 If nil, use to the current newsgroup method."
9538 :group 'gnus-summary-mail)
9540 (defcustom gnus-summary-display-while-building nil
9541 "If non-nil, show and update the summary buffer as it's being built.
9542 If the value is t, update the buffer after every line is inserted. If
9543 the value is an integer (N), update the display every N lines."
9546 :type '(choice (const :tag "off" nil)
9548 (const :tag "frequently" t)))
9550 (defun gnus-summary-respool-article (&optional n method)
9551 "Respool the current article.
9552 The article will be squeezed through the mail spooling process again,
9553 which means that it will be put in some mail newsgroup or other
9554 depending on `nnmail-split-methods'.
9555 If N is a positive number, respool the N next articles.
9556 If N is a negative number, respool the N previous articles.
9557 If N is nil and any articles have been marked with the process mark,
9558 respool those articles instead.
9560 Respooling can be done both from mail groups and \"real\" newsgroups.
9561 In the former case, the articles in question will be moved from the
9562 current group into whatever groups they are destined to. In the
9563 latter case, they will be copied into the relevant groups."
9565 (list current-prefix-arg
9566 (let* ((methods (gnus-methods-using 'respool))
9568 (symbol-name (or gnus-summary-respool-default-method
9569 (car (gnus-find-method-for-group
9570 gnus-newsgroup-name)))))
9572 (gnus-completing-read-with-default
9573 methname "Backend to use when respooling"
9574 methods nil t nil 'gnus-mail-method-history))
9577 ((zerop (length (setq ms (gnus-servers-using-backend
9579 (list (intern method) ""))
9583 (let ((ms-alist (mapcar (lambda (m) (cons (cadr m) m)) ms)))
9584 (cdr (assoc (completing-read "Server name: " ms-alist nil t)
9587 (error "No method given for respooling"))
9588 (if (assoc (symbol-name
9589 (car (gnus-find-method-for-group gnus-newsgroup-name)))
9590 (gnus-methods-using 'respool))
9591 (gnus-summary-move-article n nil method)
9592 (gnus-summary-copy-article n nil method)))
9594 (defun gnus-summary-import-article (file &optional edit)
9595 "Import an arbitrary file into a mail newsgroup."
9596 (interactive "fImport file: \nP")
9597 (let ((group gnus-newsgroup-name)
9598 (now (current-time))
9599 atts lines group-art)
9600 (unless (gnus-check-backend-function 'request-accept-article group)
9601 (error "%s does not support article importing" group))
9602 (or (file-readable-p file)
9603 (not (file-regular-p file))
9604 (error "Can't read %s" file))
9606 (set-buffer (gnus-get-buffer-create " *import file*"))
9608 (nnheader-insert-file-contents file)
9609 (goto-char (point-min))
9610 (if (nnheader-article-p)
9612 (goto-char (point-min))
9613 (search-forward "\n\n" nil t)
9614 (narrow-to-region (point-min) (1- (point)))
9615 (goto-char (point-min))
9616 (unless (re-search-forward "^date:" nil t)
9617 (goto-char (point-max))
9618 (insert "Date: " (message-make-date (nth 5 atts)) "\n")))
9619 ;; This doesn't look like an article, so we fudge some headers.
9620 (setq atts (file-attributes file)
9621 lines (count-lines (point-min) (point-max)))
9622 (insert "From: " (read-string "From: ") "\n"
9623 "Subject: " (read-string "Subject: ") "\n"
9624 "Date: " (message-make-date (nth 5 atts)) "\n"
9625 "Message-ID: " (message-make-message-id) "\n"
9626 "Lines: " (int-to-string lines) "\n"
9627 "Chars: " (int-to-string (nth 7 atts)) "\n\n"))
9628 (setq group-art (gnus-request-accept-article group nil t))
9629 (kill-buffer (current-buffer)))
9630 (setq gnus-newsgroup-active (gnus-activate-group group))
9632 (gnus-summary-goto-article (cdr group-art) nil t)
9634 (gnus-summary-edit-article))))
9636 (defun gnus-summary-create-article ()
9637 "Create an article in a mail newsgroup."
9639 (let ((group gnus-newsgroup-name)
9640 (now (current-time))
9642 (unless (gnus-check-backend-function 'request-accept-article group)
9643 (error "%s does not support article importing" group))
9645 (set-buffer (gnus-get-buffer-create " *import file*"))
9647 (goto-char (point-min))
9648 ;; This doesn't look like an article, so we fudge some headers.
9649 (insert "From: " (read-string "From: ") "\n"
9650 "Subject: " (read-string "Subject: ") "\n"
9651 "Date: " (message-make-date now) "\n"
9652 "Message-ID: " (message-make-message-id) "\n")
9653 (setq group-art (gnus-request-accept-article group nil t))
9654 (kill-buffer (current-buffer)))
9655 (setq gnus-newsgroup-active (gnus-activate-group group))
9657 (gnus-summary-goto-article (cdr group-art) nil t)
9658 (gnus-summary-edit-article)))
9660 (defun gnus-summary-article-posted-p ()
9661 "Say whether the current (mail) article is available from news as well.
9662 This will be the case if the article has both been mailed and posted."
9664 (let ((id (mail-header-references (gnus-summary-article-header)))
9665 (gnus-override-method (car (gnus-refer-article-methods))))
9666 (if (gnus-request-head id "")
9667 (gnus-message 2 "The current message was found on %s"
9668 gnus-override-method)
9669 (gnus-message 2 "The current message couldn't be found on %s"
9670 gnus-override-method)
9673 (defun gnus-summary-expire-articles (&optional now)
9674 "Expire all articles that are marked as expirable in the current group."
9676 (when (and (not gnus-group-is-exiting-without-update-p)
9677 (gnus-check-backend-function
9678 'request-expire-articles gnus-newsgroup-name))
9679 ;; This backend supports expiry.
9680 (let* ((total (gnus-group-total-expirable-p gnus-newsgroup-name))
9681 (expirable (if total
9683 ;; We need to update the info for
9684 ;; this group for `gnus-list-of-read-articles'
9685 ;; to give us the right answer.
9686 (gnus-run-hooks 'gnus-exit-group-hook)
9687 (gnus-summary-update-info)
9688 (gnus-list-of-read-articles gnus-newsgroup-name))
9689 (setq gnus-newsgroup-expirable
9690 (sort gnus-newsgroup-expirable '<))))
9691 (expiry-wait (if now 'immediate
9692 (gnus-group-find-parameter
9693 gnus-newsgroup-name 'expiry-wait)))
9694 (nnmail-expiry-target
9695 (or (gnus-group-find-parameter gnus-newsgroup-name 'expiry-target)
9696 nnmail-expiry-target))
9699 ;; There are expirable articles in this group, so we run them
9700 ;; through the expiry process.
9701 (gnus-message 6 "Expiring articles...")
9702 (unless (gnus-check-group gnus-newsgroup-name)
9703 (error "Can't open server for %s" gnus-newsgroup-name))
9704 ;; The list of articles that weren't expired is returned.
9707 (let ((nnmail-expiry-wait-function nil)
9708 (nnmail-expiry-wait expiry-wait))
9709 (setq es (gnus-request-expire-articles
9710 expirable gnus-newsgroup-name)))
9711 (setq es (gnus-request-expire-articles
9712 expirable gnus-newsgroup-name)))
9714 (setq gnus-newsgroup-expirable es))
9715 ;; We go through the old list of expirable, and mark all
9716 ;; really expired articles as nonexistent.
9717 (unless (eq es expirable) ;If nothing was expired, we don't mark.
9718 (let ((gnus-use-cache nil))
9719 (dolist (article expirable)
9720 (when (and (not (memq article es))
9721 (gnus-data-find article))
9722 (gnus-summary-mark-article article gnus-canceled-mark)
9723 (run-hook-with-args 'gnus-summary-article-expire-hook
9726 (assoc article (gnus-data-list nil)))
9730 (gnus-message 6 "Expiring articles...done")))))
9732 (defun gnus-summary-expire-articles-now ()
9733 "Expunge all expirable articles in the current group.
9734 This means that *all* articles that are marked as expirable will be
9735 deleted forever, right now."
9737 (or gnus-expert-user
9739 "Are you really, really sure you want to delete all expirable messages? ")
9741 (gnus-summary-expire-articles t))
9743 ;; Suggested by Jack Vinson <vinson@unagi.cis.upenn.edu>.
9744 (defun gnus-summary-delete-article (&optional n)
9745 "Delete the N next (mail) articles.
9746 This command actually deletes articles. This is not a marking
9747 command. The article will disappear forever from your life, never to
9750 If N is negative, delete backwards.
9751 If N is nil and articles have been marked with the process mark,
9752 delete these instead.
9754 If `gnus-novice-user' is non-nil you will be asked for
9755 confirmation before the articles are deleted."
9757 (unless (gnus-check-backend-function 'request-expire-articles
9758 gnus-newsgroup-name)
9759 (error "The current newsgroup does not support article deletion"))
9760 (unless (gnus-check-server (gnus-find-method-for-group gnus-newsgroup-name))
9761 (error "Couldn't open server"))
9762 ;; Compute the list of articles to delete.
9763 (let ((articles (sort (copy-sequence (gnus-summary-work-articles n)) '<))
9764 (nnmail-expiry-target 'delete)
9766 (if (and gnus-novice-user
9767 (not (gnus-yes-or-no-p
9768 (format "Do you really want to delete %s forever? "
9769 (if (> (length articles) 1)
9770 (format "these %s articles" (length articles))
9773 ;; Delete the articles.
9774 (setq not-deleted (gnus-request-expire-articles
9775 articles gnus-newsgroup-name 'force))
9777 (gnus-summary-remove-process-mark (car articles))
9778 ;; The backend might not have been able to delete the article
9780 (unless (memq (car articles) not-deleted)
9781 (gnus-summary-mark-article (car articles) gnus-canceled-mark))
9782 (let* ((article (car articles))
9783 (ghead (gnus-data-header
9784 (assoc article (gnus-data-list nil)))))
9785 (run-hook-with-args 'gnus-summary-article-delete-hook
9786 'delete ghead gnus-newsgroup-name nil
9788 (setq articles (cdr articles)))
9790 (gnus-message 4 "Couldn't delete articles %s" not-deleted)))
9791 (gnus-summary-position-point)
9792 (gnus-set-mode-line 'summary)
9795 (defun gnus-summary-edit-article (&optional arg)
9796 "Edit the current article.
9797 This will have permanent effect only in mail groups.
9798 If ARG is nil, edit the decoded articles.
9799 If ARG is 1, edit the raw articles.
9800 If ARG is 2, edit the raw articles even in read-only groups.
9801 If ARG is 3, edit the articles with the current handles.
9802 Otherwise, allow editing of articles even in read-only
9805 (let (force raw current-handles)
9814 (setq current-handles
9815 (and (gnus-buffer-live-p gnus-article-buffer)
9816 (with-current-buffer gnus-article-buffer
9818 gnus-article-mime-handles
9819 (setq gnus-article-mime-handles nil))))))
9822 (when (and raw (not force)
9823 (member gnus-newsgroup-name '("nndraft:delayed"
9826 (error "Can't edit the raw article in group %s"
9827 gnus-newsgroup-name))
9829 (set-buffer gnus-summary-buffer)
9830 (let ((mail-parse-charset gnus-newsgroup-charset)
9831 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets))
9832 (gnus-set-global-variables)
9833 (when (and (not force)
9834 (gnus-group-read-only-p))
9835 (error "The current newsgroup does not support article editing"))
9836 (gnus-summary-show-article t)
9837 (when (and (not raw) (gnus-buffer-live-p gnus-article-buffer))
9838 (with-current-buffer gnus-article-buffer
9839 (mm-enable-multibyte)))
9840 (if (member gnus-newsgroup-name '("nndraft:delayed" "nndraft:drafts"))
9842 (gnus-article-edit-article
9845 (let ((mbl mml-buffer-list))
9846 (setq mml-buffer-list nil)
9847 (let ((rfc2047-quote-decoded-words-containing-tspecials t))
9848 (mime-to-mml ,'current-handles))
9849 (let ((mbl1 mml-buffer-list))
9850 (setq mml-buffer-list mbl)
9851 (set (make-local-variable 'mml-buffer-list) mbl1))
9852 (gnus-make-local-hook 'kill-buffer-hook)
9853 (add-hook 'kill-buffer-hook 'mml-destroy-buffers t t))))
9854 `(lambda (no-highlight)
9855 (let ((mail-parse-charset ',gnus-newsgroup-charset)
9856 (message-options message-options)
9857 (message-options-set-recipient)
9858 (mail-parse-ignored-charsets
9859 ',gnus-newsgroup-ignored-charsets))
9860 ,(if (not raw) '(progn
9862 (mml-destroy-buffers)
9863 (remove-hook 'kill-buffer-hook
9864 'mml-destroy-buffers t)
9865 (kill-local-variable 'mml-buffer-list)))
9866 (gnus-summary-edit-article-done
9867 ,(or (mail-header-references gnus-current-headers) "")
9868 ,(gnus-group-read-only-p)
9869 ,gnus-summary-buffer no-highlight))))))))
9871 (defalias 'gnus-summary-edit-article-postpone 'gnus-article-edit-exit)
9873 (defun gnus-summary-edit-article-done (&optional references read-only buffer
9875 "Make edits to the current article permanent."
9878 ;; The buffer restriction contains the entire article if it exists.
9879 (when (article-goto-body)
9880 (let ((lines (count-lines (point) (point-max)))
9881 (length (- (point-max) (point)))
9882 (case-fold-search t)
9883 (body (copy-marker (point))))
9884 (goto-char (point-min))
9885 (when (re-search-forward "^content-length:[ \t]\\([0-9]+\\)" body t)
9886 (delete-region (match-beginning 1) (match-end 1))
9887 (insert (number-to-string length)))
9888 (goto-char (point-min))
9889 (when (re-search-forward
9890 "^x-content-length:[ \t]\\([0-9]+\\)" body t)
9891 (delete-region (match-beginning 1) (match-end 1))
9892 (insert (number-to-string length)))
9893 (goto-char (point-min))
9894 (when (re-search-forward "^lines:[ \t]\\([0-9]+\\)" body t)
9895 (delete-region (match-beginning 1) (match-end 1))
9896 (insert (number-to-string lines))))))
9897 ;; Replace the article.
9898 (let ((buf (current-buffer)))
9900 (insert-buffer-substring buf)
9902 (if (and (not read-only)
9903 (not (gnus-request-replace-article
9904 (cdr gnus-article-current) (car gnus-article-current)
9905 (current-buffer) t)))
9906 (error "Couldn't replace article")
9907 ;; Update the summary buffer.
9909 (equal (message-tokenize-header references " ")
9910 (message-tokenize-header
9911 (or (message-fetch-field "references") "") " ")))
9912 ;; We only have to update this line.
9915 (message-narrow-to-head)
9916 (let ((head (buffer-substring-no-properties
9917 (point-min) (point-max)))
9920 (insert (format "211 %d Article retrieved.\n"
9921 (cdr gnus-article-current)))
9924 (let ((nntp-server-buffer (current-buffer)))
9925 (setq header (car (gnus-get-newsgroup-headers
9928 (set-buffer gnus-summary-buffer)
9929 (gnus-data-set-header
9930 (gnus-data-find (cdr gnus-article-current))
9932 (gnus-summary-update-article-line
9933 (cdr gnus-article-current) header)
9934 (if (gnus-summary-goto-subject
9935 (cdr gnus-article-current) nil t)
9936 (gnus-summary-update-secondary-mark
9937 (cdr gnus-article-current))))))))
9939 (set-buffer (or buffer gnus-summary-buffer))
9940 (gnus-summary-update-article (cdr gnus-article-current))
9941 (if (gnus-summary-goto-subject (cdr gnus-article-current) nil t)
9942 (gnus-summary-update-secondary-mark
9943 (cdr gnus-article-current))))
9944 ;; Prettify the article buffer again.
9945 (unless no-highlight
9947 (set-buffer gnus-article-buffer)
9948 ;;;!!! Fix this -- article should be rehighlighted.
9949 ;;;(gnus-run-hooks 'gnus-article-display-hook)
9950 (set-buffer gnus-original-article-buffer)
9951 (gnus-request-article
9952 (cdr gnus-article-current)
9953 (car gnus-article-current) (current-buffer))))
9954 ;; Prettify the summary buffer line.
9955 (when (gnus-visual-p 'summary-highlight 'highlight)
9956 (gnus-run-hooks 'gnus-visual-mark-article-hook))))))
9958 (defun gnus-summary-edit-wash (key)
9959 "Perform editing command KEY in the article buffer."
9963 (message "%s" (concat (this-command-keys) "- "))
9966 (gnus-summary-edit-article)
9967 (execute-kbd-macro (concat (this-command-keys) key))
9968 (gnus-article-edit-done))
9972 (defun gnus-summary-respool-query (&optional silent trace)
9973 "Query where the respool algorithm would put this article."
9975 (let (gnus-mark-article-hook)
9976 (gnus-summary-select-article)
9978 (set-buffer gnus-original-article-buffer)
9979 (let ((groups (nnmail-article-group 'identity trace)))
9982 (message "This message would go to %s"
9983 (mapconcat 'car groups ", "))
9984 (message "This message would go to no groups"))
9987 (defun gnus-summary-respool-trace ()
9988 "Trace where the respool algorithm would put this article.
9989 Display a buffer showing all fancy splitting patterns which matched."
9991 (gnus-summary-respool-query nil t))
9993 ;; Summary marking commands.
9995 (defun gnus-summary-kill-same-subject-and-select (&optional unmark)
9996 "Mark articles which has the same subject as read, and then select the next.
9997 If UNMARK is positive, remove any kind of mark.
9998 If UNMARK is negative, tick articles."
10001 (setq unmark (prefix-numeric-value unmark)))
10003 (gnus-summary-mark-same-subject
10004 (gnus-summary-article-subject) unmark)))
10005 ;; Select next unread article. If auto-select-same mode, should
10006 ;; select the first unread article.
10007 (gnus-summary-next-article t (and gnus-auto-select-same
10008 (gnus-summary-article-subject)))
10009 (gnus-message 7 "%d article%s marked as %s"
10010 count (if (= count 1) " is" "s are")
10011 (if unmark "unread" "read"))))
10013 (defun gnus-summary-kill-same-subject (&optional unmark)
10014 "Mark articles which has the same subject as read.
10015 If UNMARK is positive, remove any kind of mark.
10016 If UNMARK is negative, tick articles."
10019 (setq unmark (prefix-numeric-value unmark)))
10021 (gnus-summary-mark-same-subject
10022 (gnus-summary-article-subject) unmark)))
10023 ;; If marked as read, go to next unread subject.
10024 (when (null unmark)
10025 ;; Go to next unread subject.
10026 (gnus-summary-next-subject 1 t))
10027 (gnus-message 7 "%d articles are marked as %s"
10028 count (if unmark "unread" "read"))))
10030 (defun gnus-summary-mark-same-subject (subject &optional unmark)
10031 "Mark articles with same SUBJECT as read, and return marked number.
10032 If optional argument UNMARK is positive, remove any kinds of marks.
10033 If optional argument UNMARK is negative, mark articles as unread instead."
10037 ((null unmark) ; Mark as read.
10040 (gnus-summary-mark-article-as-read gnus-killed-mark)
10041 (gnus-summary-show-thread) t)
10042 (gnus-summary-find-subject subject))
10043 (setq count (1+ count))))
10044 ((> unmark 0) ; Tick.
10047 (gnus-summary-mark-article-as-unread gnus-ticked-mark)
10048 (gnus-summary-show-thread) t)
10049 (gnus-summary-find-subject subject))
10050 (setq count (1+ count))))
10051 (t ; Mark as unread.
10054 (gnus-summary-mark-article-as-unread gnus-unread-mark)
10055 (gnus-summary-show-thread) t)
10056 (gnus-summary-find-subject subject))
10057 (setq count (1+ count)))))
10058 (gnus-set-mode-line 'summary)
10059 ;; Return the number of marked articles.
10062 (defun gnus-summary-mark-as-processable (n &optional unmark)
10063 "Set the process mark on the next N articles.
10064 If N is negative, mark backward instead. If UNMARK is non-nil, remove
10065 the process mark instead. The difference between N and the actual
10066 number of articles marked is returned."
10068 (if (and (null n) (gnus-region-active-p))
10069 (gnus-uu-mark-region (region-beginning) (region-end) unmark)
10070 (setq n (prefix-numeric-value n))
10071 (let ((backward (< n 0))
10076 (gnus-summary-remove-process-mark
10077 (gnus-summary-article-number))
10078 (gnus-summary-set-process-mark (gnus-summary-article-number)))
10079 (zerop (gnus-summary-next-subject (if backward -1 1) nil t)))
10082 (gnus-message 7 "No more articles"))
10083 (gnus-summary-recenter)
10084 (gnus-summary-position-point)
10087 (defun gnus-summary-unmark-as-processable (n)
10088 "Remove the process mark from the next N articles.
10089 If N is negative, unmark backward instead. The difference between N and
10090 the actual number of articles unmarked is returned."
10092 (gnus-summary-mark-as-processable n t))
10094 (defun gnus-summary-unmark-all-processable ()
10095 "Remove the process mark from all articles."
10098 (while gnus-newsgroup-processable
10099 (gnus-summary-remove-process-mark (car gnus-newsgroup-processable))))
10100 (gnus-summary-position-point))
10102 (defun gnus-summary-add-mark (article type)
10103 "Mark ARTICLE with a mark of TYPE."
10104 (let ((vtype (car (assq type gnus-article-mark-lists)))
10107 (error "No such mark type: %s" type)
10108 (setq var (intern (format "gnus-newsgroup-%s" type)))
10109 (set var (cons article (symbol-value var)))
10110 (if (memq type '(processable cached replied forwarded recent saved))
10111 (gnus-summary-update-secondary-mark article)
10112 ;;; !!! This is bogus. We should find out what primary
10113 ;;; !!! mark we want to set.
10114 (gnus-summary-update-mark gnus-del-mark 'unread)))))
10116 (defun gnus-summary-mark-as-expirable (n)
10117 "Mark N articles forward as expirable.
10118 If N is negative, mark backward instead. The difference between N and
10119 the actual number of articles marked is returned."
10121 (gnus-summary-mark-forward n gnus-expirable-mark))
10123 (defun gnus-summary-mark-as-spam (n)
10124 "Mark N articles forward as spam.
10125 If N is negative, mark backward instead. The difference between N and
10126 the actual number of articles marked is returned."
10128 (gnus-summary-mark-forward n gnus-spam-mark))
10130 (defun gnus-summary-mark-article-as-replied (article)
10131 "Mark ARTICLE as replied to and update the summary line.
10132 ARTICLE can also be a list of articles."
10133 (interactive (list (gnus-summary-article-number)))
10134 (let ((articles (if (listp article) article (list article))))
10135 (dolist (article articles)
10136 (unless (numberp article)
10137 (error "%s is not a number" article))
10138 (push article gnus-newsgroup-replied)
10139 (let ((buffer-read-only nil))
10140 (when (gnus-summary-goto-subject article nil t)
10141 (gnus-summary-update-secondary-mark article))))))
10143 (defun gnus-summary-mark-article-as-forwarded (article)
10144 "Mark ARTICLE as forwarded and update the summary line.
10145 ARTICLE can also be a list of articles."
10146 (let ((articles (if (listp article) article (list article))))
10147 (dolist (article articles)
10148 (push article gnus-newsgroup-forwarded)
10149 (let ((buffer-read-only nil))
10150 (when (gnus-summary-goto-subject article nil t)
10151 (gnus-summary-update-secondary-mark article))))))
10153 (defun gnus-summary-set-bookmark (article)
10154 "Set a bookmark in current article."
10155 (interactive (list (gnus-summary-article-number)))
10156 (when (or (not (get-buffer gnus-article-buffer))
10157 (not gnus-current-article)
10158 (not gnus-article-current)
10159 (not (equal gnus-newsgroup-name (car gnus-article-current))))
10160 (error "No current article selected"))
10161 ;; Remove old bookmark, if one exists.
10162 (gnus-pull article gnus-newsgroup-bookmarks)
10163 ;; Set the new bookmark, which is on the form
10164 ;; (article-number . line-number-in-body).
10167 (with-current-buffer gnus-article-buffer
10171 (article-goto-body)
10174 gnus-newsgroup-bookmarks)
10175 (gnus-message 6 "A bookmark has been added to the current article."))
10177 (defun gnus-summary-remove-bookmark (article)
10178 "Remove the bookmark from the current article."
10179 (interactive (list (gnus-summary-article-number)))
10180 ;; Remove old bookmark, if one exists.
10181 (if (not (assq article gnus-newsgroup-bookmarks))
10182 (gnus-message 6 "No bookmark in current article.")
10183 (gnus-pull article gnus-newsgroup-bookmarks)
10184 (gnus-message 6 "Removed bookmark.")))
10186 ;; Suggested by Daniel Quinlan <quinlan@best.com>.
10187 (defun gnus-summary-mark-as-dormant (n)
10188 "Mark N articles forward as dormant.
10189 If N is negative, mark backward instead. The difference between N and
10190 the actual number of articles marked is returned."
10192 (gnus-summary-mark-forward n gnus-dormant-mark))
10194 (defun gnus-summary-set-process-mark (article)
10195 "Set the process mark on ARTICLE and update the summary line."
10196 (setq gnus-newsgroup-processable
10198 (delq article gnus-newsgroup-processable)))
10199 (when (gnus-summary-goto-subject article)
10200 (gnus-summary-show-thread)
10201 (gnus-summary-goto-subject article)
10202 (gnus-summary-update-secondary-mark article)))
10204 (defun gnus-summary-remove-process-mark (&rest articles)
10205 "Remove the process mark from ARTICLES and update the summary line."
10206 (dolist (article articles)
10207 (setq gnus-newsgroup-processable (delq article gnus-newsgroup-processable))
10208 (when (gnus-summary-goto-subject article)
10209 (gnus-summary-show-thread)
10210 (gnus-summary-goto-subject article)
10211 (gnus-summary-update-secondary-mark article)))
10214 (defun gnus-summary-set-saved-mark (article)
10215 "Set the process mark on ARTICLE and update the summary line."
10216 (push article gnus-newsgroup-saved)
10217 (when (gnus-summary-goto-subject article)
10218 (gnus-summary-update-secondary-mark article)))
10220 (defun gnus-summary-mark-forward (n &optional mark no-expire)
10221 "Mark N articles as read forwards.
10222 If N is negative, mark backwards instead. Mark with MARK, ?r by default.
10223 The difference between N and the actual number of articles marked is
10225 If NO-EXPIRE, auto-expiry will be inhibited."
10227 (gnus-summary-show-thread)
10228 (let ((backward (< n 0))
10229 (gnus-summary-goto-unread
10230 (and gnus-summary-goto-unread
10231 (not (eq gnus-summary-goto-unread 'never))
10232 (not (memq mark (list gnus-unread-mark gnus-spam-mark
10233 gnus-ticked-mark gnus-dormant-mark)))))
10235 (mark (or mark gnus-del-mark)))
10236 (while (and (> n 0)
10237 (gnus-summary-mark-article nil mark no-expire)
10238 (zerop (gnus-summary-next-subject
10240 (and gnus-summary-goto-unread
10241 (not (eq gnus-summary-goto-unread 'never)))
10245 (gnus-message 7 "No more %sarticles" (if mark "" "unread ")))
10246 (gnus-summary-recenter)
10247 (gnus-summary-position-point)
10248 (gnus-set-mode-line 'summary)
10251 (defun gnus-summary-mark-article-as-read (mark)
10252 "Mark the current article quickly as read with MARK."
10253 (let ((article (gnus-summary-article-number)))
10254 (setq gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
10255 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
10256 (setq gnus-newsgroup-spam-marked (delq article gnus-newsgroup-spam-marked))
10257 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
10258 (push (cons article mark) gnus-newsgroup-reads)
10259 ;; Possibly remove from cache, if that is used.
10260 (when gnus-use-cache
10261 (gnus-cache-enter-remove-article article))
10262 ;; Allow the backend to change the mark.
10263 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
10264 ;; Check for auto-expiry.
10265 (when (and gnus-newsgroup-auto-expire
10266 (memq mark gnus-auto-expirable-marks))
10267 (setq mark gnus-expirable-mark)
10268 ;; Let the backend know about the mark change.
10269 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
10270 (push article gnus-newsgroup-expirable))
10271 ;; Set the mark in the buffer.
10272 (gnus-summary-update-mark mark 'unread)
10275 (defun gnus-summary-mark-article-as-unread (mark)
10276 "Mark the current article quickly as unread with MARK."
10277 (let* ((article (gnus-summary-article-number))
10278 (old-mark (gnus-summary-article-mark article)))
10279 ;; Allow the backend to change the mark.
10280 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
10281 (if (eq mark old-mark)
10285 (gnus-error 1 "Can't mark negative article numbers")
10287 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
10288 (setq gnus-newsgroup-spam-marked
10289 (delq article gnus-newsgroup-spam-marked))
10290 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
10291 (setq gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable))
10292 (setq gnus-newsgroup-reads (delq article gnus-newsgroup-reads))
10293 (cond ((= mark gnus-ticked-mark)
10294 (setq gnus-newsgroup-marked
10295 (gnus-add-to-sorted-list gnus-newsgroup-marked
10297 ((= mark gnus-spam-mark)
10298 (setq gnus-newsgroup-spam-marked
10299 (gnus-add-to-sorted-list gnus-newsgroup-spam-marked
10301 ((= mark gnus-dormant-mark)
10302 (setq gnus-newsgroup-dormant
10303 (gnus-add-to-sorted-list gnus-newsgroup-dormant
10306 (setq gnus-newsgroup-unreads
10307 (gnus-add-to-sorted-list gnus-newsgroup-unreads
10309 (gnus-pull article gnus-newsgroup-reads)
10311 ;; See whether the article is to be put in the cache.
10312 (and gnus-use-cache
10313 (vectorp (gnus-summary-article-header article))
10315 (gnus-cache-possibly-enter-article
10316 gnus-newsgroup-name article
10317 (= mark gnus-ticked-mark)
10318 (= mark gnus-dormant-mark) (= mark gnus-unread-mark))))
10321 (gnus-summary-update-mark mark 'unread)
10324 (defun gnus-summary-mark-article (&optional article mark no-expire)
10325 "Mark ARTICLE with MARK. MARK can be any character.
10326 Four MARK strings are reserved: `? ' (unread), `?!' (ticked),
10327 `??' (dormant) and `?E' (expirable).
10328 If MARK is nil, then the default character `?r' is used.
10329 If ARTICLE is nil, then the article on the current line will be
10331 If NO-EXPIRE, auto-expiry will be inhibited."
10332 ;; The mark might be a string.
10333 (when (stringp mark)
10334 (setq mark (aref mark 0)))
10335 ;; If no mark is given, then we check auto-expiring.
10337 (setq mark gnus-del-mark))
10338 (when (and (not no-expire)
10339 gnus-newsgroup-auto-expire
10340 (memq mark gnus-auto-expirable-marks))
10341 (setq mark gnus-expirable-mark))
10342 (let ((article (or article (gnus-summary-article-number)))
10343 (old-mark (gnus-summary-article-mark article)))
10344 ;; Allow the backend to change the mark.
10345 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
10346 (if (eq mark old-mark)
10349 (error "No article on current line"))
10350 (if (not (if (or (= mark gnus-unread-mark)
10351 (= mark gnus-ticked-mark)
10352 (= mark gnus-spam-mark)
10353 (= mark gnus-dormant-mark))
10354 (gnus-mark-article-as-unread article mark)
10355 (gnus-mark-article-as-read article mark)))
10357 ;; See whether the article is to be put in the cache.
10358 (and gnus-use-cache
10359 (not (= mark gnus-canceled-mark))
10360 (vectorp (gnus-summary-article-header article))
10362 (gnus-cache-possibly-enter-article
10363 gnus-newsgroup-name article
10364 (= mark gnus-ticked-mark)
10365 (= mark gnus-dormant-mark) (= mark gnus-unread-mark))))
10367 (when (gnus-summary-goto-subject article nil t)
10368 (let ((buffer-read-only nil))
10369 (gnus-summary-show-thread)
10371 (gnus-summary-update-mark mark 'unread)
10374 (defun gnus-summary-update-secondary-mark (article)
10375 "Update the secondary (read, process, cache) mark."
10376 (gnus-summary-update-mark
10377 (cond ((memq article gnus-newsgroup-processable)
10379 ((memq article gnus-newsgroup-cached)
10381 ((memq article gnus-newsgroup-replied)
10383 ((memq article gnus-newsgroup-forwarded)
10384 gnus-forwarded-mark)
10385 ((memq article gnus-newsgroup-saved)
10387 ((memq article gnus-newsgroup-recent)
10389 ((memq article gnus-newsgroup-unseen)
10393 (when (gnus-visual-p 'summary-highlight 'highlight)
10394 (gnus-run-hooks 'gnus-summary-update-hook))
10397 (defun gnus-summary-update-download-mark (article)
10398 "Update the download mark."
10399 (gnus-summary-update-mark
10400 (cond ((memq article gnus-newsgroup-undownloaded)
10401 gnus-undownloaded-mark)
10402 (gnus-newsgroup-agentized
10403 gnus-downloaded-mark)
10407 (gnus-summary-update-line t)
10410 (defun gnus-summary-update-mark (mark type)
10411 (let ((forward (cdr (assq type gnus-summary-mark-positions)))
10412 (buffer-read-only nil))
10413 (re-search-backward "[\n\r]" (point-at-bol) 'move-to-limit)
10415 (when (looking-at "\r")
10417 (when (<= (+ forward (point)) (point-max))
10418 ;; Go to the right position on the line.
10419 (goto-char (+ forward (point)))
10420 ;; Replace the old mark with the new mark.
10421 (subst-char-in-region (point) (1+ (point)) (char-after) mark)
10422 ;; Optionally update the marks by some user rule.
10423 (when (eq type 'unread)
10424 (gnus-data-set-mark
10425 (gnus-data-find (gnus-summary-article-number)) mark)
10426 (gnus-summary-update-line (eq mark gnus-unread-mark)))))))
10428 (defun gnus-mark-article-as-read (article &optional mark)
10429 "Enter ARTICLE in the pertinent lists and remove it from others."
10430 ;; Make the article expirable.
10431 (let ((mark (or mark gnus-del-mark)))
10432 (setq gnus-newsgroup-expirable
10433 (if (= mark gnus-expirable-mark)
10434 (gnus-add-to-sorted-list gnus-newsgroup-expirable article)
10435 (delq article gnus-newsgroup-expirable)))
10436 ;; Remove from unread and marked lists.
10437 (setq gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
10438 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
10439 (setq gnus-newsgroup-spam-marked (delq article gnus-newsgroup-spam-marked))
10440 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
10441 (push (cons article mark) gnus-newsgroup-reads)
10442 ;; Possibly remove from cache, if that is used.
10443 (when gnus-use-cache
10444 (gnus-cache-enter-remove-article article))
10447 (defun gnus-mark-article-as-unread (article &optional mark)
10448 "Enter ARTICLE in the pertinent lists and remove it from others."
10449 (let ((mark (or mark gnus-ticked-mark)))
10452 (gnus-error 1 "Can't mark negative article numbers")
10454 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked)
10455 gnus-newsgroup-spam-marked (delq article gnus-newsgroup-spam-marked)
10456 gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant)
10457 gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable)
10458 gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
10460 ;; Unsuppress duplicates?
10461 (when gnus-suppress-duplicates
10462 (gnus-dup-unsuppress-article article))
10464 (cond ((= mark gnus-ticked-mark)
10465 (setq gnus-newsgroup-marked
10466 (gnus-add-to-sorted-list gnus-newsgroup-marked article)))
10467 ((= mark gnus-spam-mark)
10468 (setq gnus-newsgroup-spam-marked
10469 (gnus-add-to-sorted-list gnus-newsgroup-spam-marked
10471 ((= mark gnus-dormant-mark)
10472 (setq gnus-newsgroup-dormant
10473 (gnus-add-to-sorted-list gnus-newsgroup-dormant article)))
10475 (setq gnus-newsgroup-unreads
10476 (gnus-add-to-sorted-list gnus-newsgroup-unreads article))))
10477 (gnus-pull article gnus-newsgroup-reads)
10480 (defalias 'gnus-summary-mark-as-unread-forward
10481 'gnus-summary-tick-article-forward)
10482 (make-obsolete 'gnus-summary-mark-as-unread-forward
10483 'gnus-summary-tick-article-forward)
10484 (defun gnus-summary-tick-article-forward (n)
10485 "Tick N articles forwards.
10486 If N is negative, tick backwards instead.
10487 The difference between N and the number of articles ticked is returned."
10489 (gnus-summary-mark-forward n gnus-ticked-mark))
10491 (defalias 'gnus-summary-mark-as-unread-backward
10492 'gnus-summary-tick-article-backward)
10493 (make-obsolete 'gnus-summary-mark-as-unread-backward
10494 'gnus-summary-tick-article-backward)
10495 (defun gnus-summary-tick-article-backward (n)
10496 "Tick N articles backwards.
10497 The difference between N and the number of articles ticked is returned."
10499 (gnus-summary-mark-forward (- n) gnus-ticked-mark))
10501 (defalias 'gnus-summary-mark-as-unread 'gnus-summary-tick-article)
10502 (make-obsolete 'gnus-summary-mark-as-unread 'gnus-summary-tick-article)
10503 (defun gnus-summary-tick-article (&optional article clear-mark)
10504 "Mark current article as unread.
10505 Optional 1st argument ARTICLE specifies article number to be marked as unread.
10506 Optional 2nd argument CLEAR-MARK remove any kinds of mark."
10508 (gnus-summary-mark-article article (if clear-mark gnus-unread-mark
10509 gnus-ticked-mark)))
10511 (defun gnus-summary-mark-as-read-forward (n)
10512 "Mark N articles as read forwards.
10513 If N is negative, mark backwards instead.
10514 The difference between N and the actual number of articles marked is
10517 (gnus-summary-mark-forward n gnus-del-mark gnus-inhibit-user-auto-expire))
10519 (defun gnus-summary-mark-as-read-backward (n)
10520 "Mark the N articles as read backwards.
10521 The difference between N and the actual number of articles marked is
10524 (gnus-summary-mark-forward
10525 (- n) gnus-del-mark gnus-inhibit-user-auto-expire))
10527 (defun gnus-summary-mark-as-read (&optional article mark)
10528 "Mark current article as read.
10529 ARTICLE specifies the article to be marked as read.
10530 MARK specifies a string to be inserted at the beginning of the line."
10531 (gnus-summary-mark-article article mark))
10533 (defun gnus-summary-clear-mark-forward (n)
10534 "Clear marks from N articles forward.
10535 If N is negative, clear backward instead.
10536 The difference between N and the number of marks cleared is returned."
10538 (gnus-summary-mark-forward n gnus-unread-mark))
10540 (defun gnus-summary-clear-mark-backward (n)
10541 "Clear marks from N articles backward.
10542 The difference between N and the number of marks cleared is returned."
10544 (gnus-summary-mark-forward (- n) gnus-unread-mark))
10546 (defun gnus-summary-mark-unread-as-read ()
10547 "Intended to be used by `gnus-summary-mark-article-hook'."
10548 (when (memq gnus-current-article gnus-newsgroup-unreads)
10549 (gnus-summary-mark-article gnus-current-article gnus-read-mark)))
10551 (defun gnus-summary-mark-read-and-unread-as-read (&optional new-mark)
10552 "Intended to be used by `gnus-summary-mark-article-hook'."
10553 (let ((mark (gnus-summary-article-mark)))
10554 (when (or (gnus-unread-mark-p mark)
10555 (gnus-read-mark-p mark))
10556 (gnus-summary-mark-article gnus-current-article
10557 (or new-mark gnus-read-mark)))))
10559 (defun gnus-summary-mark-current-read-and-unread-as-read (&optional new-mark)
10560 "Intended to be used by `gnus-summary-mark-article-hook'."
10561 (let ((mark (gnus-summary-article-mark)))
10562 (when (or (gnus-unread-mark-p mark)
10563 (gnus-read-mark-p mark))
10564 (gnus-summary-mark-article (gnus-summary-article-number)
10565 (or new-mark gnus-read-mark)))))
10567 (defun gnus-summary-mark-unread-as-ticked ()
10568 "Intended to be used by `gnus-summary-mark-article-hook'."
10569 (when (memq gnus-current-article gnus-newsgroup-unreads)
10570 (gnus-summary-mark-article gnus-current-article gnus-ticked-mark)))
10572 (defun gnus-summary-mark-region-as-read (point mark all)
10573 "Mark all unread articles between point and mark as read.
10574 If given a prefix, mark all articles between point and mark as read,
10575 even ticked and dormant ones."
10576 (interactive "r\nP")
10580 (beginning-of-line)
10585 (memq (setq article (gnus-summary-article-number))
10586 gnus-newsgroup-unreads))
10587 (gnus-summary-mark-article article gnus-del-mark))
10589 (gnus-summary-find-next))))))
10591 (defun gnus-summary-mark-below (score mark)
10592 "Mark articles with score less than SCORE with MARK."
10593 (interactive "P\ncMark: ")
10594 (setq score (if score
10595 (prefix-numeric-value score)
10596 (or gnus-summary-default-score 0)))
10598 (set-buffer gnus-summary-buffer)
10599 (goto-char (point-min))
10602 (and (< (gnus-summary-article-score) score)
10603 (gnus-summary-mark-article nil mark))
10604 (gnus-summary-find-next)))))
10606 (defun gnus-summary-kill-below (&optional score)
10607 "Mark articles with score below SCORE as read."
10609 (gnus-summary-mark-below score gnus-killed-mark))
10611 (defun gnus-summary-clear-above (&optional score)
10612 "Clear all marks from articles with score above SCORE."
10614 (gnus-summary-mark-above score gnus-unread-mark))
10616 (defun gnus-summary-tick-above (&optional score)
10617 "Tick all articles with score above SCORE."
10619 (gnus-summary-mark-above score gnus-ticked-mark))
10621 (defun gnus-summary-mark-above (score mark)
10622 "Mark articles with score over SCORE with MARK."
10623 (interactive "P\ncMark: ")
10624 (setq score (if score
10625 (prefix-numeric-value score)
10626 (or gnus-summary-default-score 0)))
10628 (set-buffer gnus-summary-buffer)
10629 (goto-char (point-min))
10631 (when (> (gnus-summary-article-score) score)
10632 (gnus-summary-mark-article nil mark))
10634 (gnus-summary-find-next)))))
10636 ;; Suggested by Daniel Quinlan <quinlan@best.com>.
10637 (defalias 'gnus-summary-show-all-expunged 'gnus-summary-limit-include-expunged)
10638 (defun gnus-summary-limit-include-expunged (&optional no-error)
10639 "Display all the hidden articles that were expunged for low scores."
10641 (let ((buffer-read-only nil))
10642 (let ((scored gnus-newsgroup-scored)
10645 (unless (gnus-summary-article-header (caar scored))
10646 (and (setq h (gnus-number-to-header (caar scored)))
10647 (< (cdar scored) gnus-summary-expunge-below)
10649 (setq scored (cdr scored)))
10651 (when (not no-error)
10652 (error "No expunged articles hidden"))
10653 (goto-char (point-min))
10654 (push gnus-newsgroup-limit gnus-newsgroup-limits)
10655 (setq gnus-newsgroup-limit (copy-sequence gnus-newsgroup-limit))
10656 (mapcar (lambda (x) (push (mail-header-number x)
10657 gnus-newsgroup-limit))
10659 (gnus-summary-prepare-unthreaded (nreverse headers))
10660 (goto-char (point-min))
10661 (gnus-summary-position-point)
10664 (defun gnus-summary-catchup (&optional all quietly to-here not-mark reverse)
10665 "Mark all unread articles in this newsgroup as read.
10666 If prefix argument ALL is non-nil, ticked and dormant articles will
10667 also be marked as read.
10668 If QUIETLY is non-nil, no questions will be asked.
10670 If TO-HERE is non-nil, it should be a point in the buffer. All
10671 articles before (after, if REVERSE is set) this point will be marked
10674 Note that this function will only catch up the unread article
10675 in the current summary buffer limitation.
10677 The number of articles marked as read is returned."
10682 (not gnus-interactive-catchup) ;Without confirmation?
10686 "Mark absolutely all articles as read? "
10687 "Mark all unread articles as read? ")))
10689 (not gnus-newsgroup-adaptive)
10690 (not gnus-newsgroup-auto-expire)
10691 (not gnus-suppress-duplicates)
10692 (or (not gnus-use-cache)
10693 (eq gnus-use-cache 'passive)))
10696 (setq gnus-newsgroup-marked nil
10697 gnus-newsgroup-spam-marked nil
10698 gnus-newsgroup-dormant nil))
10699 (setq gnus-newsgroup-unreads
10700 (gnus-sorted-nunion
10701 (gnus-sorted-intersection gnus-newsgroup-unreads
10702 gnus-newsgroup-downloadable)
10703 gnus-newsgroup-unfetched)))
10704 ;; We actually mark all articles as canceled, which we
10705 ;; have to do when using auto-expiry or adaptive scoring.
10706 (gnus-summary-show-all-threads)
10707 (if (and to-here reverse)
10709 (goto-char to-here)
10710 (gnus-summary-mark-current-read-and-unread-as-read
10712 (while (gnus-summary-find-next (not all))
10713 (gnus-summary-mark-article-as-read gnus-catchup-mark)))
10714 (when (gnus-summary-first-subject (not all))
10716 (if to-here (< (point) to-here) t)
10717 (gnus-summary-mark-article-as-read gnus-catchup-mark)
10718 (gnus-summary-find-next (not all))))))
10719 (gnus-set-mode-line 'summary))
10721 (gnus-summary-position-point)))
10723 (defun gnus-summary-catchup-to-here (&optional all)
10724 "Mark all unticked articles before the current one as read.
10725 If ALL is non-nil, also mark ticked and dormant articles as read."
10728 (gnus-save-hidden-threads
10729 (let ((beg (point)))
10730 ;; We check that there are unread articles.
10731 (when (or all (gnus-summary-find-prev))
10732 (gnus-summary-catchup all t beg)))))
10733 (gnus-summary-position-point))
10735 (defun gnus-summary-catchup-from-here (&optional all)
10736 "Mark all unticked articles after (and including) the current one as read.
10737 If ALL is non-nil, also mark ticked and dormant articles as read."
10740 (gnus-save-hidden-threads
10741 (let ((beg (point)))
10742 ;; We check that there are unread articles.
10743 (when (or all (gnus-summary-find-next))
10744 (gnus-summary-catchup all t beg nil t)))))
10745 (gnus-summary-position-point))
10747 (defun gnus-summary-catchup-all (&optional quietly)
10748 "Mark all articles in this newsgroup as read.
10749 This command is dangerous. Normally, you want \\[gnus-summary-catchup]
10750 instead, which marks only unread articles as read."
10752 (gnus-summary-catchup t quietly))
10754 (defun gnus-summary-catchup-and-exit (&optional all quietly)
10755 "Mark all unread articles in this group as read, then exit.
10756 If prefix argument ALL is non-nil, all articles are marked as read.
10757 If QUIETLY is non-nil, no questions will be asked."
10759 (when (gnus-summary-catchup all quietly nil 'fast)
10760 ;; Select next newsgroup or exit.
10761 (if (and (not (gnus-group-quit-config gnus-newsgroup-name))
10762 (eq gnus-auto-select-next 'quietly))
10763 (gnus-summary-next-group nil)
10764 (gnus-summary-exit))))
10766 (defun gnus-summary-catchup-all-and-exit (&optional quietly)
10767 "Mark all articles in this newsgroup as read, and then exit.
10768 This command is dangerous. Normally, you want \\[gnus-summary-catchup-and-exit]
10769 instead, which marks only unread articles as read."
10771 (gnus-summary-catchup-and-exit t quietly))
10773 (defun gnus-summary-catchup-and-goto-next-group (&optional all)
10774 "Mark all articles in this group as read and select the next group.
10775 If given a prefix, mark all articles, unread as well as ticked, as
10779 (gnus-summary-catchup all))
10780 (gnus-summary-next-group))
10782 (defun gnus-summary-catchup-and-goto-prev-group (&optional all)
10783 "Mark all articles in this group as read and select the previous group.
10784 If given a prefix, mark all articles, unread as well as ticked, as
10788 (gnus-summary-catchup all))
10789 (gnus-summary-next-group nil nil t))
10795 (defmacro gnus-with-article (article &rest forms)
10796 "Select ARTICLE and perform FORMS in the original article buffer.
10797 Then replace the article with the result."
10799 ;; We don't want the article to be marked as read.
10800 (let (gnus-mark-article-hook)
10801 (gnus-summary-select-article t t nil ,article))
10802 (set-buffer gnus-original-article-buffer)
10804 (if (not (gnus-check-backend-function
10805 'request-replace-article (car gnus-article-current)))
10806 (gnus-message 5 "Read-only group; not replacing")
10807 (unless (gnus-request-replace-article
10808 ,article (car gnus-article-current)
10809 (current-buffer) t)
10810 (error "Couldn't replace article")))
10811 ;; The cache and backlog have to be flushed somewhat.
10812 (when gnus-keep-backlog
10813 (gnus-backlog-remove-article
10814 (car gnus-article-current) (cdr gnus-article-current)))
10815 (when gnus-use-cache
10816 (gnus-cache-update-article
10817 (car gnus-article-current) (cdr gnus-article-current)))))
10819 (put 'gnus-with-article 'lisp-indent-function 1)
10820 (put 'gnus-with-article 'edebug-form-spec '(form body))
10822 ;; Thread-based commands.
10824 (defun gnus-summary-articles-in-thread (&optional article)
10825 "Return a list of all articles in the current thread.
10826 If ARTICLE is non-nil, return all articles in the thread that starts
10827 with that article."
10828 (let* ((article (or article (gnus-summary-article-number)))
10829 (data (gnus-data-find-list article))
10830 (top-level (gnus-data-level (car data)))
10832 (cond ((null gnus-thread-operation-ignore-subject)
10833 (gnus-simplify-subject-re
10834 (mail-header-subject (gnus-data-header (car data)))))
10835 ((eq gnus-thread-operation-ignore-subject 'fuzzy)
10836 (gnus-simplify-subject-fuzzy
10837 (mail-header-subject (gnus-data-header (car data)))))
10839 (end-point (save-excursion
10840 (if (gnus-summary-go-to-next-thread)
10841 (point) (point-max))))
10844 (< (gnus-data-pos (car data)) end-point))
10845 (when (or (not top-subject)
10846 (string= top-subject
10847 (if (eq gnus-thread-operation-ignore-subject 'fuzzy)
10848 (gnus-simplify-subject-fuzzy
10849 (mail-header-subject
10850 (gnus-data-header (car data))))
10851 (gnus-simplify-subject-re
10852 (mail-header-subject
10853 (gnus-data-header (car data)))))))
10854 (push (gnus-data-number (car data)) articles))
10855 (unless (and (setq data (cdr data))
10856 (> (gnus-data-level (car data)) top-level))
10858 ;; Return the list of articles.
10859 (nreverse articles)))
10861 (defun gnus-summary-rethread-current ()
10862 "Rethread the thread the current article is part of."
10864 (let* ((gnus-show-threads t)
10865 (article (gnus-summary-article-number))
10866 (id (mail-header-id (gnus-summary-article-header)))
10867 (gnus-newsgroup-threads (list (gnus-id-to-thread (gnus-root-id id)))))
10869 (error "No article on the current line"))
10870 (gnus-rebuild-thread id)
10871 (gnus-summary-goto-subject article)))
10873 (defun gnus-summary-reparent-thread ()
10874 "Make the current article child of the marked (or previous) article.
10876 Note that the re-threading will only work if `gnus-thread-ignore-subject'
10877 is non-nil or the Subject: of both articles are the same."
10879 (unless (not (gnus-group-read-only-p))
10880 (error "The current newsgroup does not support article editing"))
10881 (unless (<= (length gnus-newsgroup-processable) 1)
10882 (error "No more than one article may be marked"))
10883 (let ((child (gnus-summary-article-number))
10884 ;; First grab the marked article, otherwise one line up.
10885 (parent (if (not (null gnus-newsgroup-processable))
10886 (car gnus-newsgroup-processable)
10888 (if (eq (forward-line -1) 0)
10889 (gnus-summary-article-number)
10890 (error "Beginning of summary buffer"))))))
10891 (gnus-summary-reparent-children parent (list child))))
10893 (defun gnus-summary-reparent-children (parent children)
10894 "Make PARENT the parent of CHILDREN.
10895 When called interactively, PARENT is is current article and
10896 CHILDREN are the process-marked articles."
10898 (list (gnus-summary-article-number)
10899 (gnus-summary-work-articles nil)))
10900 (dolist (child children)
10901 (save-window-excursion
10902 (let ((gnus-article-buffer " *reparent*"))
10903 (unless (not (eq parent child))
10904 (error "An article may not be self-referential"))
10905 (let ((message-id (mail-header-id
10906 (gnus-summary-article-header parent))))
10907 (unless (and message-id (not (equal message-id "")))
10908 (error "No message-id in desired parent"))
10909 (gnus-with-article child
10911 (goto-char (point-min))
10912 (message-narrow-to-head)
10913 (if (re-search-forward "^References: " nil t)
10915 (re-search-forward "^[^ \t]" nil t)
10918 (insert " " message-id))
10919 (insert "References: " message-id "\n"))))
10920 (set-buffer gnus-summary-buffer)
10921 (gnus-summary-unmark-all-processable)
10922 (gnus-summary-update-article child)
10923 (when (gnus-summary-goto-subject (cdr gnus-article-current) nil t)
10924 (gnus-summary-update-secondary-mark (cdr gnus-article-current)))
10925 (gnus-summary-rethread-current)
10926 (gnus-message 3 "Article %d is now the child of article %d"
10929 (defun gnus-summary-toggle-threads (&optional arg)
10930 "Toggle showing conversation threads.
10931 If ARG is positive number, turn showing conversation threads on."
10933 (let ((current (or (gnus-summary-article-number) gnus-newsgroup-end)))
10934 (setq gnus-show-threads
10935 (if (null arg) (not gnus-show-threads)
10936 (> (prefix-numeric-value arg) 0)))
10937 (gnus-summary-prepare)
10938 (gnus-summary-goto-subject current)
10939 (gnus-message 6 "Threading is now %s" (if gnus-show-threads "on" "off"))
10940 (gnus-summary-position-point)))
10942 (defun gnus-summary-show-all-threads ()
10943 "Show all threads."
10946 (let ((buffer-read-only nil))
10947 (subst-char-in-region (point-min) (point-max) ?\^M ?\n t)))
10948 (gnus-summary-position-point))
10950 (defun gnus-summary-show-thread ()
10951 "Show thread subtrees.
10952 Returns nil if no thread was there to be shown."
10954 (let ((buffer-read-only nil)
10956 (end (point-at-eol))
10957 ;; Leave point at bol
10958 (beg (progn (beginning-of-line) (point))))
10960 ;; Any hidden lines here?
10961 (search-forward "\r" end t)
10962 (subst-char-in-region beg end ?\^M ?\n t)
10964 (gnus-summary-position-point))))
10966 (defun gnus-summary-maybe-hide-threads ()
10967 "If requested, hide the threads that should be hidden."
10968 (when (and gnus-show-threads
10969 gnus-thread-hide-subtree)
10970 (gnus-summary-hide-all-threads
10971 (if (or (consp gnus-thread-hide-subtree)
10972 (functionp gnus-thread-hide-subtree))
10973 (gnus-make-predicate gnus-thread-hide-subtree)
10976 ;;; Hiding predicates.
10978 (defun gnus-article-unread-p (header)
10979 (memq (mail-header-number header) gnus-newsgroup-unreads))
10981 (defun gnus-article-unseen-p (header)
10982 (memq (mail-header-number header) gnus-newsgroup-unseen))
10984 (defun gnus-map-articles (predicate articles)
10985 "Map PREDICATE over ARTICLES and return non-nil if any predicate is non-nil."
10986 (apply 'gnus-or (mapcar predicate
10987 (mapcar (lambda (number)
10988 (gnus-summary-article-header number))
10991 (defun gnus-summary-hide-all-threads (&optional predicate)
10992 "Hide all thread subtrees.
10993 If PREDICATE is supplied, threads that satisfy this predicate
10994 will not be hidden."
10997 (goto-char (point-min))
11000 (when (or (not predicate)
11002 predicate (gnus-summary-article-children)))
11003 (gnus-summary-hide-thread))
11004 (setq end (not (zerop (gnus-summary-next-thread 1 t)))))))
11005 (gnus-summary-position-point))
11007 (defun gnus-summary-hide-thread ()
11008 "Hide thread subtrees.
11009 If PREDICATE is supplied, threads that satisfy this predicate
11010 will not be hidden.
11011 Returns nil if no threads were there to be hidden."
11013 (let ((buffer-read-only nil)
11015 (article (gnus-summary-article-number)))
11017 ;; Go forward until either the buffer ends or the subthread
11019 (when (and (not (eobp))
11020 (or (zerop (gnus-summary-next-thread 1 t))
11021 (goto-char (point-max))))
11023 (if (and (> (point) start)
11024 (search-backward "\n" start t))
11026 (subst-char-in-region start (point) ?\n ?\^M)
11027 (gnus-summary-goto-subject article))
11031 (defun gnus-summary-go-to-next-thread (&optional previous)
11032 "Go to the same level (or less) next thread.
11033 If PREVIOUS is non-nil, go to previous thread instead.
11034 Return the article number moved to, or nil if moving was impossible."
11035 (let ((level (gnus-summary-thread-level))
11036 (way (if previous -1 1))
11039 (while (and (not (eobp))
11040 (< level (gnus-summary-thread-level)))
11041 (forward-line way))
11048 (gnus-summary-article-number)
11049 (goto-char beg)))))
11051 (defun gnus-summary-next-thread (n &optional silent)
11052 "Go to the same level next N'th thread.
11053 If N is negative, search backward instead.
11054 Returns the difference between N and the number of skips actually
11057 If SILENT, don't output messages."
11059 (let ((backward (< n 0))
11061 (while (and (> n 0)
11062 (gnus-summary-go-to-next-thread backward))
11065 (gnus-summary-position-point))
11066 (when (and (not silent) (/= 0 n))
11067 (gnus-message 7 "No more threads"))
11070 (defun gnus-summary-prev-thread (n)
11071 "Go to the same level previous N'th thread.
11072 Returns the difference between N and the number of skips actually
11075 (gnus-summary-next-thread (- n)))
11077 (defun gnus-summary-go-down-thread ()
11078 "Go down one level in the current thread."
11079 (let ((children (gnus-summary-article-children)))
11081 (gnus-summary-goto-subject (car children)))))
11083 (defun gnus-summary-go-up-thread ()
11084 "Go up one level in the current thread."
11085 (let ((parent (gnus-summary-article-parent)))
11087 (gnus-summary-goto-subject parent))))
11089 (defun gnus-summary-down-thread (n)
11090 "Go down thread N steps.
11091 If N is negative, go up instead.
11092 Returns the difference between N and how many steps down that were
11097 (while (and (> n 0)
11098 (if up (gnus-summary-go-up-thread)
11099 (gnus-summary-go-down-thread)))
11101 (gnus-summary-position-point)
11103 (gnus-message 7 "Can't go further"))
11106 (defun gnus-summary-up-thread (n)
11107 "Go up thread N steps.
11108 If N is negative, go down instead.
11109 Returns the difference between N and how many steps down that were
11112 (gnus-summary-down-thread (- n)))
11114 (defun gnus-summary-top-thread ()
11115 "Go to the top of the thread."
11117 (while (gnus-summary-go-up-thread))
11118 (gnus-summary-article-number))
11120 (defun gnus-summary-kill-thread (&optional unmark)
11121 "Mark articles under current thread as read.
11122 If the prefix argument is positive, remove any kinds of marks.
11123 If the prefix argument is negative, tick articles instead."
11126 (setq unmark (prefix-numeric-value unmark)))
11127 (let ((articles (gnus-summary-articles-in-thread)))
11129 ;; Expand the thread.
11130 (gnus-summary-show-thread)
11131 ;; Mark all the articles.
11133 (gnus-summary-goto-subject (car articles))
11134 (cond ((null unmark)
11135 (gnus-summary-mark-article-as-read gnus-killed-mark))
11137 (gnus-summary-mark-article-as-unread gnus-unread-mark))
11139 (gnus-summary-mark-article-as-unread gnus-ticked-mark)))
11140 (setq articles (cdr articles))))
11141 ;; Hide killed subtrees.
11143 gnus-thread-hide-killed
11144 (gnus-summary-hide-thread))
11145 ;; If marked as read, go to next unread subject.
11146 (when (null unmark)
11147 ;; Go to next unread subject.
11148 (gnus-summary-next-subject 1 t)))
11149 (gnus-set-mode-line 'summary))
11151 ;; Summary sorting commands
11153 (defun gnus-summary-sort-by-number (&optional reverse)
11154 "Sort the summary buffer by article number.
11155 Argument REVERSE means reverse order."
11157 (gnus-summary-sort 'number reverse))
11159 (defun gnus-summary-sort-by-random (&optional reverse)
11160 "Randomize the order in the summary buffer.
11161 Argument REVERSE means to randomize in reverse order."
11163 (gnus-summary-sort 'random reverse))
11165 (defun gnus-summary-sort-by-author (&optional reverse)
11166 "Sort the summary buffer by author name alphabetically.
11167 If `case-fold-search' is non-nil, case of letters is ignored.
11168 Argument REVERSE means reverse order."
11170 (gnus-summary-sort 'author reverse))
11172 (defun gnus-summary-sort-by-recipient (&optional reverse)
11173 "Sort the summary buffer by recipient name alphabetically.
11174 If `case-fold-search' is non-nil, case of letters is ignored.
11175 Argument REVERSE means reverse order."
11177 (gnus-summary-sort 'recipient reverse))
11179 (defun gnus-summary-sort-by-subject (&optional reverse)
11180 "Sort the summary buffer by subject alphabetically. `Re:'s are ignored.
11181 If `case-fold-search' is non-nil, case of letters is ignored.
11182 Argument REVERSE means reverse order."
11184 (gnus-summary-sort 'subject reverse))
11186 (defun gnus-summary-sort-by-date (&optional reverse)
11187 "Sort the summary buffer by date.
11188 Argument REVERSE means reverse order."
11190 (gnus-summary-sort 'date reverse))
11192 (defun gnus-summary-sort-by-score (&optional reverse)
11193 "Sort the summary buffer by score.
11194 Argument REVERSE means reverse order."
11196 (gnus-summary-sort 'score reverse))
11198 (defun gnus-summary-sort-by-lines (&optional reverse)
11199 "Sort the summary buffer by the number of lines.
11200 Argument REVERSE means reverse order."
11202 (gnus-summary-sort 'lines reverse))
11204 (defun gnus-summary-sort-by-chars (&optional reverse)
11205 "Sort the summary buffer by article length.
11206 Argument REVERSE means reverse order."
11208 (gnus-summary-sort 'chars reverse))
11210 (defun gnus-summary-sort-by-original (&optional reverse)
11211 "Sort the summary buffer using the default sorting method.
11212 Argument REVERSE means reverse order."
11214 (let* ((buffer-read-only)
11215 (gnus-summary-prepare-hook nil))
11216 ;; We do the sorting by regenerating the threads.
11217 (gnus-summary-prepare)
11218 ;; Hide subthreads if needed.
11219 (gnus-summary-maybe-hide-threads)))
11221 (defun gnus-summary-sort (predicate reverse)
11222 "Sort summary buffer by PREDICATE. REVERSE means reverse order."
11223 (let* ((thread (intern (format "gnus-thread-sort-by-%s" predicate)))
11224 (article (intern (format "gnus-article-sort-by-%s" predicate)))
11225 (gnus-thread-sort-functions
11230 (gnus-sort-gathered-threads-function
11231 gnus-thread-sort-functions)
11232 (gnus-article-sort-functions
11236 (,article t2 t1))))
11238 (gnus-summary-prepare-hook nil))
11239 ;; We do the sorting by regenerating the threads.
11240 (gnus-summary-prepare)
11241 ;; Hide subthreads if needed.
11242 (gnus-summary-maybe-hide-threads)))
11244 ;; Summary saving commands.
11246 (defun gnus-summary-save-article (&optional n not-saved)
11247 "Save the current article using the default saver function.
11248 If N is a positive number, save the N next articles.
11249 If N is a negative number, save the N previous articles.
11250 If N is nil and any articles have been marked with the process mark,
11251 save those articles instead.
11252 The variable `gnus-default-article-saver' specifies the saver function.
11254 If the optional second argument NOT-SAVED is non-nil, articles saved
11255 will not be marked as saved."
11257 (require 'gnus-art)
11258 (let* ((articles (gnus-summary-work-articles n))
11259 (save-buffer (save-excursion
11260 (nnheader-set-temp-buffer " *Gnus Save*")))
11261 (num (length articles))
11262 ;; Whether to save decoded articles or raw articles.
11263 (decode (when gnus-article-save-coding-system
11264 (get gnus-default-article-saver :decode)))
11265 ;; When saving many articles in a single file, use the other
11266 ;; function to save articles other than the first one.
11267 (saver2 (get gnus-default-article-saver :function))
11268 (gnus-prompt-before-saving (if saver2
11270 gnus-prompt-before-saving))
11271 (gnus-default-article-saver gnus-default-article-saver)
11273 (dolist (article articles)
11274 (setq header (gnus-summary-article-header article))
11275 (if (not (vectorp header))
11276 ;; This is a pseudo-article.
11277 (if (assq 'name header)
11278 (gnus-copy-file (cdr (assq 'name header)))
11279 (gnus-message 1 "Article %d is unsaveable" article))
11280 ;; This is a real article.
11281 (save-window-excursion
11282 (let ((gnus-display-mime-function (when decode
11283 gnus-display-mime-function))
11284 (gnus-article-prepare-hook (when decode
11285 gnus-article-prepare-hook)))
11286 (gnus-summary-select-article t nil nil article)
11287 (gnus-summary-goto-subject article)))
11289 (set-buffer save-buffer)
11291 (insert-buffer-substring (if decode
11292 gnus-article-buffer
11293 gnus-original-article-buffer)))
11294 (setq file (gnus-article-save save-buffer file num))
11295 (gnus-summary-remove-process-mark article)
11297 (gnus-summary-set-saved-mark article)))
11299 (setq gnus-default-article-saver saver2
11301 (gnus-kill-buffer save-buffer)
11302 (gnus-summary-position-point)
11303 (gnus-set-mode-line 'summary)
11306 (defun gnus-summary-pipe-output (&optional arg headers)
11307 "Pipe the current article to a subprocess.
11308 If N is a positive number, pipe the N next articles.
11309 If N is a negative number, pipe the N previous articles.
11310 If N is nil and any articles have been marked with the process mark,
11311 pipe those articles instead.
11312 If HEADERS (the symbolic prefix), include the headers, too."
11313 (interactive (gnus-interactive "P\ny"))
11314 (require 'gnus-art)
11315 (let ((gnus-default-article-saver 'gnus-summary-save-in-pipe)
11316 (gnus-save-all-headers (or headers gnus-save-all-headers)))
11317 (gnus-summary-save-article arg t))
11318 (let ((buffer (get-buffer "*Shell Command Output*")))
11320 (not (zerop (buffer-size buffer))))
11321 (gnus-configure-windows 'pipe))))
11323 (defun gnus-summary-save-article-mail (&optional arg)
11324 "Append the current article to a Unix mail box file.
11325 If N is a positive number, save the N next articles.
11326 If N is a negative number, save the N previous articles.
11327 If N is nil and any articles have been marked with the process mark,
11328 save those articles instead."
11330 (require 'gnus-art)
11331 (let ((gnus-default-article-saver 'gnus-summary-save-in-mail))
11332 (gnus-summary-save-article arg)))
11334 (defun gnus-summary-save-article-rmail (&optional arg)
11335 "Append the current article to an rmail file.
11336 If N is a positive number, save the N next articles.
11337 If N is a negative number, save the N previous articles.
11338 If N is nil and any articles have been marked with the process mark,
11339 save those articles instead."
11341 (require 'gnus-art)
11342 (let ((gnus-default-article-saver 'gnus-summary-save-in-rmail))
11343 (gnus-summary-save-article arg)))
11345 (defun gnus-summary-save-article-file (&optional arg)
11346 "Append the current article to a file.
11347 If N is a positive number, save the N next articles.
11348 If N is a negative number, save the N previous articles.
11349 If N is nil and any articles have been marked with the process mark,
11350 save those articles instead."
11352 (require 'gnus-art)
11353 (let ((gnus-default-article-saver 'gnus-summary-save-in-file))
11354 (gnus-summary-save-article arg)))
11356 (defun gnus-summary-write-article-file (&optional arg)
11357 "Write the current article to a file, deleting the previous file.
11358 If N is a positive number, save the N next articles.
11359 If N is a negative number, save the N previous articles.
11360 If N is nil and any articles have been marked with the process mark,
11361 save those articles instead."
11363 (require 'gnus-art)
11364 (let ((gnus-default-article-saver 'gnus-summary-write-to-file))
11365 (gnus-summary-save-article arg)))
11367 (defun gnus-summary-save-article-body-file (&optional arg)
11368 "Append the current article body to a file.
11369 If N is a positive number, save the N next articles.
11370 If N is a negative number, save the N previous articles.
11371 If N is nil and any articles have been marked with the process mark,
11372 save those articles instead."
11374 (require 'gnus-art)
11375 (let ((gnus-default-article-saver 'gnus-summary-save-body-in-file))
11376 (gnus-summary-save-article arg)))
11378 (defun gnus-summary-write-article-body-file (&optional arg)
11379 "Write the current article body to a file, deleting the previous file.
11380 If N is a positive number, save the N next articles.
11381 If N is a negative number, save the N previous articles.
11382 If N is nil and any articles have been marked with the process mark,
11383 save those articles instead."
11385 (require 'gnus-art)
11386 (let ((gnus-default-article-saver 'gnus-summary-write-body-to-file))
11387 (gnus-summary-save-article arg)))
11389 (defun gnus-summary-muttprint (&optional arg)
11390 "Print the current article using Muttprint.
11391 If N is a positive number, save the N next articles.
11392 If N is a negative number, save the N previous articles.
11393 If N is nil and any articles have been marked with the process mark,
11394 save those articles instead."
11396 (require 'gnus-art)
11397 (let ((gnus-default-article-saver 'gnus-summary-pipe-to-muttprint))
11398 (gnus-summary-save-article arg t)))
11400 (defun gnus-summary-pipe-message (program)
11401 "Pipe the current article through PROGRAM."
11402 (interactive "sProgram: ")
11403 (gnus-summary-select-article)
11404 (let ((mail-header-separator ""))
11405 (gnus-eval-in-buffer-window gnus-article-buffer
11408 (let ((start (window-start))
11410 (message-pipe-buffer-body program)
11411 (set-window-start (get-buffer-window (current-buffer)) start))))))
11413 (defun gnus-get-split-value (methods)
11414 "Return a value based on the split METHODS."
11415 (let (split-name method result match)
11418 (set-buffer gnus-original-article-buffer)
11420 (nnheader-narrow-to-headers)
11421 (while (and methods (not split-name))
11422 (goto-char (point-min))
11423 (setq method (pop methods))
11424 (setq match (car method))
11427 ;; Regular expression.
11429 (re-search-forward match nil t)))
11434 (setq result (funcall match gnus-newsgroup-name))))
11439 (setq result (eval match)))))
11440 (setq split-name (cdr method))
11441 (cond ((stringp result)
11442 (push (expand-file-name
11443 result gnus-article-save-directory)
11446 (setq split-name (append result split-name)))))))))
11447 (nreverse split-name)))
11449 (defun gnus-valid-move-group-p (group)
11450 (and (boundp group)
11451 (symbol-name group)
11452 (symbol-value group)
11453 (gnus-get-function (gnus-find-method-for-group
11454 (symbol-name group)) 'request-accept-article t)))
11456 (defun gnus-read-move-group-name (prompt default articles prefix)
11457 "Read a group name."
11458 (let* ((split-name (gnus-get-split-value gnus-move-split-methods))
11459 (minibuffer-confirm-incomplete nil) ; XEmacs
11463 (if (> (length articles) 1)
11464 (format "these %d articles" (length articles))
11469 (gnus-completing-read-with-default
11472 'gnus-valid-move-group-p
11474 'gnus-group-history))
11475 ((= 1 (length split-name))
11476 (gnus-completing-read-with-default
11477 (car split-name) prom
11479 'gnus-valid-move-group-p
11481 'gnus-group-history))
11483 (gnus-completing-read-with-default
11485 (mapcar 'list (nreverse split-name))
11487 'gnus-group-history))))
11488 (to-method (gnus-server-to-method (gnus-group-method to-newsgroup))))
11490 (if (or (string= to-newsgroup "")
11491 (string= to-newsgroup prefix))
11492 (setq to-newsgroup default))
11493 (unless to-newsgroup
11494 (error "No group name entered"))
11495 (or (gnus-active to-newsgroup)
11496 (gnus-activate-group to-newsgroup nil nil to-method)
11497 (if (gnus-y-or-n-p (format "No such group: %s. Create it? "
11499 (or (and (gnus-request-create-group to-newsgroup to-method)
11500 (gnus-activate-group
11501 to-newsgroup nil nil to-method)
11502 (gnus-subscribe-group to-newsgroup))
11503 (error "Couldn't create group %s" to-newsgroup)))
11504 (error "No such group: %s" to-newsgroup)))
11507 (defvar gnus-summary-save-parts-counter)
11509 (defun gnus-summary-save-parts (type dir n &optional reverse)
11510 "Save parts matching TYPE to DIR.
11511 If REVERSE, save parts that do not match TYPE."
11513 (list (read-string "Save parts of type: "
11514 (or (car gnus-summary-save-parts-type-history)
11515 gnus-summary-save-parts-default-mime)
11516 'gnus-summary-save-parts-type-history)
11517 (setq gnus-summary-save-parts-last-directory
11518 (read-file-name "Save to directory: "
11519 gnus-summary-save-parts-last-directory
11521 current-prefix-arg))
11522 (gnus-summary-iterate n
11523 (let ((gnus-display-mime-function nil)
11524 (gnus-inhibit-treatment t))
11525 (gnus-summary-select-article))
11527 (set-buffer gnus-article-buffer)
11528 (let ((handles (or gnus-article-mime-handles
11529 (mm-dissect-buffer nil gnus-article-loose-mime)
11530 (and gnus-article-emulate-mime
11532 (gnus-summary-save-parts-counter 1))
11534 (gnus-summary-save-parts-1 type dir handles reverse)
11535 (unless gnus-article-mime-handles ;; Don't destroy this case.
11536 (mm-destroy-parts handles)))))))
11538 (defun gnus-summary-save-parts-1 (type dir handle reverse)
11539 (if (stringp (car handle))
11540 (mapcar (lambda (h) (gnus-summary-save-parts-1 type dir h reverse))
11543 (not (string-match type (mm-handle-media-type handle)))
11544 (string-match type (mm-handle-media-type handle)))
11545 (let ((file (expand-file-name
11547 mm-file-name-rewrite-functions
11548 (file-name-nondirectory
11550 (mail-content-type-get
11551 (mm-handle-disposition handle) 'filename)
11552 (mail-content-type-get
11553 (mm-handle-type handle) 'name)
11554 (format "%s.%d.%d" gnus-newsgroup-name
11555 (cdr gnus-article-current)
11556 gnus-summary-save-parts-counter))))
11558 (incf gnus-summary-save-parts-counter)
11559 (unless (file-exists-p file)
11560 (mm-save-part-to-file handle file))))))
11562 ;; Summary extract commands
11564 (defun gnus-summary-insert-pseudos (pslist &optional not-view)
11565 (let ((buffer-read-only nil)
11566 (article (gnus-summary-article-number))
11568 (unless (gnus-summary-goto-subject article)
11569 (error "No such article: %d" article))
11570 (gnus-summary-position-point)
11571 ;; If all commands are to be bunched up on one line, we collect
11573 (unless gnus-view-pseudos-separately
11574 (let ((ps (setq pslist (sort pslist 'gnus-pseudos<)))
11577 (setq action (cdr (assq 'action (car ps))))
11578 (setq files (list (cdr (assq 'name (car ps)))))
11579 (while (and ps (cdr ps)
11580 (string= (or action "1")
11581 (or (cdr (assq 'action (cadr ps))) "2")))
11582 (push (cdr (assq 'name (cadr ps))) files)
11583 (setcdr ps (cddr ps)))
11585 (when (not (string-match "%s" action))
11588 (when (assq 'execute (car ps))
11589 (setcdr (assq 'execute (car ps))
11590 (funcall (if (string-match "%s" action)
11597 (shell-quote-argument f)))
11599 (setq ps (cdr ps)))))
11600 (if (and gnus-view-pseudos (not not-view))
11602 (when (assq 'execute (car pslist))
11603 (gnus-execute-command (cdr (assq 'execute (car pslist)))
11604 (eq gnus-view-pseudos 'not-confirm)))
11605 (setq pslist (cdr pslist)))
11608 (setq after-article (or (cdr (assq 'article (car pslist)))
11609 (gnus-summary-article-number)))
11610 (gnus-summary-goto-subject after-article)
11613 (insert " " (file-name-nondirectory
11614 (cdr (assq 'name (car pslist))))
11615 ": " (or (cdr (assq 'execute (car pslist))) "") "\n")
11617 (forward-line -1) ; back to `b'
11618 (gnus-add-text-properties
11619 b (1- e) (list 'gnus-number gnus-reffed-article-number
11620 gnus-mouse-face-prop gnus-mouse-face))
11622 after-article gnus-reffed-article-number
11623 gnus-unread-mark b (car pslist) 0 (- e b))
11624 (setq gnus-newsgroup-unreads
11625 (gnus-add-to-sorted-list gnus-newsgroup-unreads
11626 gnus-reffed-article-number))
11627 (setq gnus-reffed-article-number (1- gnus-reffed-article-number))
11628 (setq pslist (cdr pslist)))))))
11630 (defun gnus-pseudos< (p1 p2)
11631 (let ((c1 (cdr (assq 'action p1)))
11632 (c2 (cdr (assq 'action p2))))
11633 (and c1 c2 (string< c1 c2))))
11635 (defun gnus-request-pseudo-article (props)
11636 (cond ((assq 'execute props)
11637 (gnus-execute-command (cdr (assq 'execute props)))))
11638 (let ((gnus-current-article (gnus-summary-article-number)))
11639 (gnus-run-hooks 'gnus-mark-article-hook)))
11641 (defun gnus-execute-command (command &optional automatic)
11643 (gnus-article-setup-buffer)
11644 (set-buffer gnus-article-buffer)
11645 (setq buffer-read-only nil)
11646 (let ((command (if automatic command
11647 (read-string "Command: " (cons command 0)))))
11649 (insert "$ " command "\n\n")
11650 (if gnus-view-pseudo-asynchronously
11651 (start-process "gnus-execute" (current-buffer) shell-file-name
11652 shell-command-switch command)
11653 (call-process shell-file-name nil t nil
11654 shell-command-switch command)))))
11656 ;; Summary kill commands.
11658 (defun gnus-summary-edit-global-kill (article)
11659 "Edit the \"global\" kill file."
11660 (interactive (list (gnus-summary-article-number)))
11661 (gnus-group-edit-global-kill article))
11663 (defun gnus-summary-edit-local-kill ()
11664 "Edit a local kill file applied to the current newsgroup."
11666 (setq gnus-current-headers (gnus-summary-article-header))
11667 (gnus-group-edit-local-kill
11668 (gnus-summary-article-number) gnus-newsgroup-name))
11670 ;;; Header reading.
11672 (defun gnus-read-header (id &optional header)
11673 "Read the headers of article ID and enter them into the Gnus system."
11674 (let ((group gnus-newsgroup-name)
11675 (gnus-override-method
11677 gnus-override-method
11678 (and (gnus-news-group-p gnus-newsgroup-name)
11679 (car (gnus-refer-article-methods)))))
11681 ;; First we check to see whether the header in question is already
11684 ;; This is a Message-ID.
11685 (setq header (or header (gnus-id-to-header id)))
11686 ;; This is an article number.
11687 (setq header (or header (gnus-summary-article-header id))))
11689 (not (gnus-summary-article-sparse-p (mail-header-number header))))
11690 ;; We have found the header.
11692 ;; We have to really fetch the header to this article.
11694 (set-buffer nntp-server-buffer)
11695 (when (setq where (gnus-request-head id group))
11696 (nnheader-fold-continuation-lines)
11697 (goto-char (point-max))
11699 (goto-char (point-min))
11703 ((cdr where) (cdr where))
11704 (header (mail-header-number header))
11705 (t gnus-reffed-article-number))
11707 (insert " Article retrieved.\n"))
11708 (if (or (not where)
11709 (not (setq header (car (gnus-get-newsgroup-headers nil t)))))
11710 () ; Malformed head.
11711 (unless (gnus-summary-article-sparse-p (mail-header-number header))
11712 (when (and (stringp id)
11714 (not (string= (gnus-group-real-name group)
11716 (not (gnus-server-equal gnus-override-method
11717 (gnus-group-method group)))))
11718 ;; If we fetched by Message-ID and the article came from
11719 ;; a different group (or server), we fudge some bogus
11720 ;; article numbers for this article.
11721 (mail-header-set-number header gnus-reffed-article-number))
11723 (set-buffer gnus-summary-buffer)
11724 (decf gnus-reffed-article-number)
11725 (gnus-remove-header (mail-header-number header))
11726 (push header gnus-newsgroup-headers)
11727 (setq gnus-current-headers header)
11728 (push (mail-header-number header) gnus-newsgroup-limit)))
11731 (defun gnus-remove-header (number)
11732 "Remove header NUMBER from `gnus-newsgroup-headers'."
11733 (if (and gnus-newsgroup-headers
11734 (= number (mail-header-number (car gnus-newsgroup-headers))))
11735 (pop gnus-newsgroup-headers)
11736 (let ((headers gnus-newsgroup-headers))
11737 (while (and (cdr headers)
11738 (not (= number (mail-header-number (cadr headers)))))
11740 (when (cdr headers)
11741 (setcdr headers (cddr headers))))))
11744 ;;; summary highlights
11747 (defun gnus-highlight-selected-summary ()
11748 "Highlight selected article in summary buffer."
11749 ;; Added by Per Abrahamsen <amanda@iesd.auc.dk>.
11750 (when gnus-summary-selected-face
11752 (let* ((beg (point-at-bol))
11753 (end (point-at-eol))
11754 ;; Fix by Mike Dugan <dugan@bucrf16.bu.edu>.
11755 (from (if (get-text-property beg gnus-mouse-face-prop)
11757 (or (next-single-property-change
11758 beg gnus-mouse-face-prop nil end)
11763 (or (next-single-property-change
11764 from gnus-mouse-face-prop nil end)
11766 ;; If no mouse-face prop on line we will have to = from = end,
11767 ;; so we highlight the entire line instead.
11768 (when (= (+ to 2) from)
11771 (if gnus-newsgroup-selected-overlay
11772 ;; Move old overlay.
11774 gnus-newsgroup-selected-overlay from to (current-buffer))
11775 ;; Create new overlay.
11777 (setq gnus-newsgroup-selected-overlay (gnus-make-overlay from to))
11778 'face gnus-summary-selected-face))))))
11780 (defvar gnus-summary-highlight-line-cached nil)
11781 (defvar gnus-summary-highlight-line-trigger nil)
11783 (defun gnus-summary-highlight-line-0 ()
11784 (if (and (eq gnus-summary-highlight-line-trigger
11785 gnus-summary-highlight)
11786 gnus-summary-highlight-line-cached)
11787 gnus-summary-highlight-line-cached
11788 (setq gnus-summary-highlight-line-trigger gnus-summary-highlight
11789 gnus-summary-highlight-line-cached
11790 (let* ((cond (list 'cond))
11792 (list gnus-summary-highlight))
11794 (setcdr c (cons (list (caar list) (list 'quote (cdar list)))
11798 (gnus-byte-compile (list 'lambda nil cond))))))
11800 (defun gnus-summary-highlight-line ()
11801 "Highlight current line according to `gnus-summary-highlight'."
11802 (let* ((beg (point-at-bol))
11803 (article (or (gnus-summary-article-number) gnus-current-article))
11804 (score (or (cdr (assq article
11805 gnus-newsgroup-scored))
11806 gnus-summary-default-score 0))
11807 (mark (or (gnus-summary-article-mark) gnus-unread-mark))
11808 (inhibit-read-only t)
11809 (default gnus-summary-default-score)
11810 (default-high gnus-summary-default-high-score)
11811 (default-low gnus-summary-default-low-score)
11812 (uncached (and gnus-summary-use-undownloaded-faces
11813 (memq article gnus-newsgroup-undownloaded)
11814 (not (memq article gnus-newsgroup-cached)))))
11815 (let ((face (funcall (gnus-summary-highlight-line-0))))
11816 (unless (eq face (get-text-property beg 'face))
11817 (gnus-put-text-property-excluding-characters-with-faces
11818 beg (point-at-eol) 'face
11819 (setq face (if (boundp face) (symbol-value face) face)))
11820 (when gnus-summary-highlight-line-function
11821 (funcall gnus-summary-highlight-line-function article face))))))
11823 (defun gnus-update-read-articles (group unread &optional compute)
11824 "Update the list of read articles in GROUP.
11825 UNREAD is a sorted list."
11826 (let ((active (or gnus-newsgroup-active (gnus-active group)))
11827 (info (gnus-get-info group))
11830 (if (or (not info) (not active))
11831 ;; There is no info on this group if it was, in fact,
11832 ;; killed. Gnus stores no information on killed groups, so
11833 ;; there's nothing to be done.
11834 ;; One could store the information somewhere temporarily,
11835 ;; perhaps... Hmmm...
11837 ;; Remove any negative articles numbers.
11838 (while (and unread (< (car unread) 0))
11839 (setq unread (cdr unread)))
11840 ;; Remove any expired article numbers
11841 (while (and unread (< (car unread) (car active)))
11842 (setq unread (cdr unread)))
11843 ;; Compute the ranges of read articles by looking at the list of
11844 ;; unread articles.
11846 (when (/= (car unread) prev)
11847 (push (if (= prev (1- (car unread))) prev
11848 (cons prev (1- (car unread))))
11850 (setq prev (1+ (car unread)))
11851 (setq unread (cdr unread)))
11852 (when (<= prev (cdr active))
11853 (push (cons prev (cdr active)) read))
11854 (setq read (if (> (length read) 1) (nreverse read) read))
11859 ;; Propagate the read marks to the backend.
11860 (when (gnus-check-backend-function 'request-set-mark group)
11861 (let ((del (gnus-remove-from-range (gnus-info-read info) read))
11862 (add (gnus-remove-from-range read (gnus-info-read info))))
11864 (unless (gnus-check-group group)
11865 (error "Can't open server for %s" group))
11866 (gnus-request-set-mark
11867 group (delq nil (list (if add (list add 'add '(read)))
11868 (if del (list del 'del '(read))))))
11870 `(gnus-request-set-mark
11873 (if del (list del 'add '(read)))
11874 (if add (list add 'del '(read))))))))))
11875 (set-buffer gnus-group-buffer)
11876 (gnus-undo-register
11878 (gnus-info-set-marks ',info ',(gnus-info-marks info) t)
11879 (gnus-info-set-read ',info ',(gnus-info-read info))
11880 (gnus-get-unread-articles-in-group ',info
11881 (gnus-active ,group))
11882 (gnus-group-update-group ,group t)
11884 ;; Enter this list into the group info.
11885 (gnus-info-set-read info read)
11886 ;; Set the number of unread articles in gnus-newsrc-hashtb.
11887 (gnus-get-unread-articles-in-group info (gnus-active group))
11890 (defun gnus-offer-save-summaries ()
11891 "Offer to save all active summary buffers."
11893 ;; Go through all buffers and find all summaries.
11894 (dolist (buffer (buffer-list))
11895 (when (and (setq buffer (buffer-name buffer))
11896 (string-match "Summary" buffer)
11897 (with-current-buffer buffer
11898 ;; We check that this is, indeed, a summary buffer.
11899 (and (eq major-mode 'gnus-summary-mode)
11900 ;; Also make sure this isn't bogus.
11901 gnus-newsgroup-prepared
11902 ;; Also make sure that this isn't a
11903 ;; dead summary buffer.
11904 (not gnus-dead-summary-mode))))
11905 (push buffer buffers)))
11906 ;; Go through all these summary buffers and offer to save them.
11910 "Update summary buffer %s? "
11912 (switch-to-buffer buf)
11913 (gnus-summary-exit))
11916 (defun gnus-summary-setup-default-charset ()
11917 "Setup newsgroup default charset."
11918 (if (member gnus-newsgroup-name '("nndraft:delayed" "nndraft:drafts"))
11919 (setq gnus-newsgroup-charset nil)
11920 (let* ((ignored-charsets
11921 (or gnus-newsgroup-ephemeral-ignored-charsets
11923 (and gnus-newsgroup-name
11924 (gnus-parameter-ignored-charsets gnus-newsgroup-name))
11925 gnus-newsgroup-ignored-charsets))))
11926 (setq gnus-newsgroup-charset
11927 (or gnus-newsgroup-ephemeral-charset
11928 (and gnus-newsgroup-name
11929 (gnus-parameter-charset gnus-newsgroup-name))
11930 gnus-default-charset))
11931 (set (make-local-variable 'gnus-newsgroup-ignored-charsets)
11932 ignored-charsets))))
11938 (defun gnus-summary-display-buttonized (&optional show-all-parts)
11939 "Display the current article buffer fully MIME-buttonized.
11940 If SHOW-ALL-PARTS (the prefix) is non-nil, all multipart/* parts are
11941 treated as multipart/mixed."
11943 (require 'gnus-art)
11944 (let ((gnus-unbuttonized-mime-types nil)
11945 (gnus-mime-display-multipart-as-mixed show-all-parts))
11946 (gnus-summary-show-article)))
11948 (defun gnus-summary-repair-multipart (article)
11949 "Add a Content-Type header to a multipart article without one."
11950 (interactive (list (gnus-summary-article-number)))
11951 (gnus-with-article article
11952 (message-narrow-to-head)
11953 (message-remove-header "Mime-Version")
11954 (goto-char (point-max))
11955 (insert "Mime-Version: 1.0\n")
11957 (when (search-forward "\n--" nil t)
11958 (let ((separator (buffer-substring (point) (point-at-eol))))
11959 (message-narrow-to-head)
11960 (message-remove-header "Content-Type")
11961 (goto-char (point-max))
11962 (insert (format "Content-Type: multipart/mixed; boundary=\"%s\"\n"
11965 (let (gnus-mark-article-hook)
11966 (gnus-summary-select-article t t nil article)))
11968 (defun gnus-summary-toggle-display-buttonized ()
11969 "Toggle the buttonizing of the article buffer."
11971 (require 'gnus-art)
11972 (if (setq gnus-inhibit-mime-unbuttonizing
11973 (not gnus-inhibit-mime-unbuttonizing))
11974 (let ((gnus-unbuttonized-mime-types nil))
11975 (gnus-summary-show-article))
11976 (gnus-summary-show-article)))
11979 ;;; Generic summary marking commands
11982 (defvar gnus-summary-marking-alist
11983 '((read gnus-del-mark "d")
11984 (unread gnus-unread-mark "u")
11985 (ticked gnus-ticked-mark "!")
11986 (dormant gnus-dormant-mark "?")
11987 (expirable gnus-expirable-mark "e"))
11988 "An alist of names/marks/keystrokes.")
11990 (defvar gnus-summary-generic-mark-map (make-sparse-keymap))
11991 (defvar gnus-summary-mark-map)
11993 (defun gnus-summary-make-all-marking-commands ()
11994 (define-key gnus-summary-mark-map "M" gnus-summary-generic-mark-map)
11995 (dolist (elem gnus-summary-marking-alist)
11996 (apply 'gnus-summary-make-marking-command elem)))
11998 (defun gnus-summary-make-marking-command (name mark keystroke)
11999 (let ((map (make-sparse-keymap)))
12000 (define-key gnus-summary-generic-mark-map keystroke map)
12001 (dolist (lway `((next "next" next nil "n")
12002 (next-unread "next unread" next t "N")
12003 (prev "previous" prev nil "p")
12004 (prev-unread "previous unread" prev t "P")
12005 (nomove "" nil nil ,keystroke)))
12006 (let ((func (gnus-summary-make-marking-command-1
12007 mark (car lway) lway name)))
12008 (setq func (eval func))
12009 (define-key map (nth 4 lway) func)))))
12011 (defun gnus-summary-make-marking-command-1 (mark way lway name)
12013 (format "gnus-summary-put-mark-as-%s%s"
12014 name (if (eq way 'nomove)
12016 (concat "-" (symbol-name way)))))
12019 "Mark the current article as %s%s.
12020 If N, the prefix, then repeat N times.
12021 If N is negative, move in reverse order.
12022 The difference between N and the actual number of articles marked is
12026 (gnus-summary-generic-mark n ,mark ',(nth 2 lway) ,(nth 3 lway))))
12028 (defun gnus-summary-generic-mark (n mark move unread)
12029 "Mark N articles with MARK."
12030 (unless (eq major-mode 'gnus-summary-mode)
12031 (error "This command can only be used in the summary buffer"))
12032 (gnus-summary-show-thread)
12035 ((eq move 'next) 1)
12036 ((eq move 'prev) -1)
12038 (if (zerop nummove)
12042 nummove (* -1 nummove))))
12043 (while (and (> n 0)
12044 (gnus-summary-mark-article nil mark)
12045 (zerop (gnus-summary-next-subject nummove unread t)))
12048 (gnus-message 7 "No more %sarticles" (if mark "" "unread ")))
12049 (gnus-summary-recenter)
12050 (gnus-summary-position-point)
12051 (gnus-set-mode-line 'summary)
12054 (defun gnus-summary-insert-articles (articles)
12055 (when (setq articles
12056 (gnus-sorted-difference articles
12057 (mapcar (lambda (h)
12058 (mail-header-number h))
12059 gnus-newsgroup-headers)))
12060 (setq gnus-newsgroup-headers
12062 gnus-newsgroup-headers
12063 (gnus-fetch-headers articles)
12064 'gnus-article-sort-by-number))
12065 ;; Suppress duplicates?
12066 (when gnus-suppress-duplicates
12067 (gnus-dup-suppress-articles))
12069 ;; We might want to build some more threads first.
12070 (when (and gnus-fetch-old-headers
12071 (eq gnus-headers-retrieved-by 'nov))
12072 (if (eq gnus-fetch-old-headers 'invisible)
12073 (gnus-build-all-threads)
12074 (gnus-build-old-threads)))
12075 ;; Let the Gnus agent mark articles as read.
12077 (gnus-agent-get-undownloaded-list))
12078 ;; Remove list identifiers from subject
12079 (when gnus-list-identifiers
12080 (gnus-summary-remove-list-identifiers))
12081 ;; First and last article in this newsgroup.
12082 (when gnus-newsgroup-headers
12083 (setq gnus-newsgroup-begin
12084 (mail-header-number (car gnus-newsgroup-headers))
12086 (mail-header-number
12087 (gnus-last-element gnus-newsgroup-headers))))
12088 (when gnus-use-scoring
12089 (gnus-possibly-score-headers))))
12091 (defun gnus-summary-insert-old-articles (&optional all)
12092 "Insert all old articles in this group.
12093 If ALL is non-nil, already read articles become readable.
12094 If ALL is a number, fetch this number of articles."
12097 (let ((old (sort (mapcar 'car gnus-newsgroup-data) '<))
12100 ;; Some nntp servers lie about their active range. When
12101 ;; this happens, the active range can be in the millions.
12102 ;; Use a compressed range to avoid creating a huge list.
12103 (gnus-range-difference (list gnus-newsgroup-active) old))
12104 (setq len (gnus-range-length older))
12109 (let ((older-range (nreverse older)))
12113 (let* ((r (pop older-range))
12114 (min (if (numberp r) r (car r)))
12115 (max (if (numberp r) r (cdr r))))
12116 (while (and (<= min max)
12121 (setq older (gnus-uncompress-range older))))
12123 (setq older (gnus-uncompress-range older)))
12125 (when (and (numberp gnus-large-newsgroup)
12126 (> len gnus-large-newsgroup))
12127 (let* ((cursor-in-echo-area nil)
12128 (initial (gnus-parameter-large-newsgroup-initial
12129 gnus-newsgroup-name))
12133 "How many articles from %s (%s %d): "
12135 (gnus-group-decoded-name gnus-newsgroup-name) 35)
12136 (if initial "max" "default")
12139 (cons (number-to-string initial)
12141 (unless (string-match "^[ \t]*$" input)
12142 (setq all (string-to-number input))
12144 (let ((older-range (nreverse older)))
12148 (let* ((r (pop older-range))
12149 (min (if (numberp r) r (car r)))
12150 (max (if (numberp r) r (cdr r))))
12151 (while (and (<= min max)
12155 max (1- max))))))))))
12156 (setq older (gnus-uncompress-range older))))
12158 (message "No old news.")
12159 (gnus-summary-insert-articles older)
12160 (gnus-summary-limit (gnus-sorted-nunion old older))))
12161 (gnus-summary-position-point)))
12163 (defun gnus-summary-insert-new-articles ()
12164 "Insert all new articles in this group."
12167 (let ((old (sort (mapcar 'car gnus-newsgroup-data) '<))
12168 (old-active gnus-newsgroup-active)
12169 (nnmail-fetched-sources (list t))
12171 (setq gnus-newsgroup-active
12172 (gnus-activate-group gnus-newsgroup-name 'scan))
12173 (setq i (cdr gnus-newsgroup-active))
12174 (while (> i (cdr old-active))
12178 (message "No gnus is bad news")
12179 (gnus-summary-insert-articles new)
12180 (setq gnus-newsgroup-unreads
12181 (gnus-sorted-nunion gnus-newsgroup-unreads new))
12182 (gnus-summary-limit (gnus-sorted-nunion old new))))
12183 (gnus-summary-position-point)))
12185 (gnus-summary-make-all-marking-commands)
12187 (gnus-ems-redefine)
12189 (provide 'gnus-sum)
12191 (run-hooks 'gnus-sum-load-hook)
12193 ;; Local Variables:
12194 ;; coding: iso-8859-1
12197 ;; arch-tag: 17c6748f-6d00-4d36-bf01-835c42f31235
12198 ;;; gnus-sum.el ends here