1 ;;; gnus-sum.el --- summary mode commands for Gnus
2 ;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
3 ;; Free Software Foundation, Inc.
5 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
8 ;; This file is part of GNU Emacs.
10 ;; GNU Emacs is free software; you can redistribute it and/or modify
11 ;; it under the terms of the GNU General Public License as published by
12 ;; the Free Software Foundation; either version 2, or (at your option)
15 ;; GNU Emacs is distributed in the hope that it will be useful,
16 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 ;; GNU General Public License for more details.
20 ;; You should have received a copy of the GNU General Public License
21 ;; along with GNU Emacs; see the file COPYING. If not, write to the
22 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
23 ;; Boston, MA 02111-1307, USA.
31 (defvar tool-bar-map))
43 (autoload 'gnus-summary-limit-include-cached "gnus-cache" nil t)
44 (autoload 'gnus-cache-write-active "gnus-cache")
45 (autoload 'gnus-mailing-list-insinuate "gnus-ml" nil t)
46 (autoload 'turn-on-gnus-mailing-list-mode "gnus-ml" nil t)
47 (autoload 'gnus-pick-line-number "gnus-salt" nil t)
48 (autoload 'mm-uu-dissect "mm-uu")
49 (autoload 'gnus-article-outlook-deuglify-article "deuglify"
50 "Deuglify broken Outlook (Express) articles and redisplay."
52 (autoload 'gnus-article-outlook-unwrap-lines "deuglify" nil t)
53 (autoload 'gnus-article-outlook-repair-attribution "deuglify" nil t)
54 (autoload 'gnus-article-outlook-rearrange-citation "deuglify" nil t)
56 (defcustom gnus-kill-summary-on-exit t
57 "*If non-nil, kill the summary buffer when you exit from it.
58 If nil, the summary will become a \"*Dead Summary*\" buffer, and
59 it will be killed sometime later."
60 :group 'gnus-summary-exit
63 (defcustom gnus-fetch-old-headers nil
64 "*Non-nil means that Gnus will try to build threads by grabbing old headers.
65 If an unread article in the group refers to an older, already read (or
66 just marked as read) article, the old article will not normally be
67 displayed in the Summary buffer. If this variable is t, Gnus
68 will attempt to grab the headers to the old articles, and thereby
69 build complete threads. If it has the value `some', only enough
70 headers to connect otherwise loose threads will be displayed. This
71 variable can also be a number. In that case, no more than that number
72 of old headers will be fetched. If it has the value `invisible', all
73 old headers will be fetched, but none will be displayed.
75 The server has to support NOV for any of this to work."
77 :type '(choice (const :tag "off" nil)
82 (sexp :menu-tag "other" t)))
84 (defcustom gnus-refer-thread-limit 200
85 "*The number of old headers to fetch when doing \\<gnus-summary-mode-map>\\[gnus-summary-refer-thread].
86 If t, fetch all the available old headers."
89 (sexp :menu-tag "other" t)))
91 (defcustom gnus-summary-make-false-root 'adopt
92 "*nil means that Gnus won't gather loose threads.
93 If the root of a thread has expired or been read in a previous
94 session, the information necessary to build a complete thread has been
95 lost. Instead of having many small sub-threads from this original thread
96 scattered all over the summary buffer, Gnus can gather them.
98 If non-nil, Gnus will try to gather all loose sub-threads from an
99 original thread into one large thread.
101 If this variable is non-nil, it should be one of `none', `adopt',
104 If this variable is `none', Gnus will not make a false root, but just
105 present the sub-threads after another.
106 If this variable is `dummy', Gnus will create a dummy root that will
107 have all the sub-threads as children.
108 If this variable is `adopt', Gnus will make one of the \"children\"
109 the parent and mark all the step-children as such.
110 If this variable is `empty', the \"children\" are printed with empty
111 subject fields. (Or rather, they will be printed with a string
112 given by the `gnus-summary-same-subject' variable.)"
114 :type '(choice (const :tag "off" nil)
120 (defcustom gnus-summary-make-false-root-always nil
121 "Always make a false dummy root."
126 (defcustom gnus-summary-gather-exclude-subject "^ *$\\|^(none)$"
127 "*A regexp to match subjects to be excluded from loose thread gathering.
128 As loose thread gathering is done on subjects only, that means that
129 there can be many false gatherings performed. By rooting out certain
130 common subjects, gathering might become saner."
134 (defcustom gnus-summary-gather-subject-limit nil
135 "*Maximum length of subject comparisons when gathering loose threads.
136 Use nil to compare full subjects. Setting this variable to a low
137 number will help gather threads that have been corrupted by
138 newsreaders chopping off subject lines, but it might also mean that
139 unrelated articles that have subject that happen to begin with the
140 same few characters will be incorrectly gathered.
142 If this variable is `fuzzy', Gnus will use a fuzzy algorithm when
145 :type '(choice (const :tag "off" nil)
147 (sexp :menu-tag "on" t)))
149 (defcustom gnus-simplify-subject-functions nil
150 "List of functions taking a string argument that simplify subjects.
151 The functions are applied recursively.
153 Useful functions to put in this list include:
154 `gnus-simplify-subject-re', `gnus-simplify-subject-fuzzy',
155 `gnus-simplify-whitespace', and `gnus-simplify-all-whitespace'."
157 :type '(repeat function))
159 (defcustom gnus-simplify-ignored-prefixes nil
160 "*Remove matches for this regexp from subject lines when simplifying fuzzily."
162 :type '(choice (const :tag "off" nil)
165 (defcustom gnus-build-sparse-threads nil
166 "*If non-nil, fill in the gaps in threads.
167 If `some', only fill in the gaps that are needed to tie loose threads
168 together. If `more', fill in all leaf nodes that Gnus can find. If
169 non-nil and non-`some', fill in all gaps that Gnus manages to guess."
171 :type '(choice (const :tag "off" nil)
174 (sexp :menu-tag "all" t)))
176 (defcustom gnus-summary-thread-gathering-function
177 'gnus-gather-threads-by-subject
178 "*Function used for gathering loose threads.
179 There are two pre-defined functions: `gnus-gather-threads-by-subject',
180 which only takes Subjects into consideration; and
181 `gnus-gather-threads-by-references', which compared the References
182 headers of the articles to find matches."
184 :type '(radio (function-item gnus-gather-threads-by-subject)
185 (function-item gnus-gather-threads-by-references)
186 (function :tag "other")))
188 (defcustom gnus-summary-same-subject ""
189 "*String indicating that the current article has the same subject as the previous.
190 This variable will only be used if the value of
191 `gnus-summary-make-false-root' is `empty'."
192 :group 'gnus-summary-format
195 (defcustom gnus-summary-goto-unread t
196 "*If t, many commands will go to the next unread article.
197 This applies to marking commands as well as other commands that
198 \"naturally\" select the next article, like, for instance, `SPC' at
199 the end of an article.
201 If nil, the marking commands do NOT go to the next unread article
202 \(they go to the next article instead). If `never', commands that
203 usually go to the next unread article, will go to the next article,
204 whether it is read or not."
205 :group 'gnus-summary-marks
206 :link '(custom-manual "(gnus)Setting Marks")
207 :type '(choice (const :tag "off" nil)
209 (sexp :menu-tag "on" t)))
211 (defcustom gnus-summary-default-score 0
212 "*Default article score level.
213 All scores generated by the score files will be added to this score.
214 If this variable is nil, scoring will be disabled."
215 :group 'gnus-score-default
216 :type '(choice (const :tag "disable")
219 (defcustom gnus-summary-default-high-score 0
220 "*Default threshold for a high scored article.
221 An article will be highlighted as high scored if its score is greater
224 :group 'gnus-score-default
227 (defcustom gnus-summary-default-low-score 0
228 "*Default threshold for a low scored article.
229 An article will be highlighted as low scored if its score is smaller
232 :group 'gnus-score-default
235 (defcustom gnus-summary-zcore-fuzz 0
236 "*Fuzziness factor for the zcore in the summary buffer.
237 Articles with scores closer than this to `gnus-summary-default-score'
239 :group 'gnus-summary-format
242 (defcustom gnus-simplify-subject-fuzzy-regexp nil
243 "*Strings to be removed when doing fuzzy matches.
244 This can either be a regular expression or list of regular expressions
245 that will be removed from subject strings if fuzzy subject
246 simplification is selected."
248 :type '(repeat regexp))
250 (defcustom gnus-show-threads t
251 "*If non-nil, display threads in summary mode."
255 (defcustom gnus-thread-hide-subtree nil
256 "*If non-nil, hide all threads initially.
257 This can be a predicate specifier which says which threads to hide.
258 If threads are hidden, you have to run the command
259 `gnus-summary-show-thread' by hand or use `gnus-select-article-hook'
260 to expose hidden threads."
262 :type '(radio (sexp :format "Non-nil\n"
263 :match (lambda (widget value)
264 (not (or (consp value) (functionp value))))
267 (sexp :tag "Predicate specifier" :size 0)))
269 (defcustom gnus-thread-hide-killed t
270 "*If non-nil, hide killed threads automatically."
274 (defcustom gnus-thread-ignore-subject t
275 "*If non-nil, which is the default, ignore subjects and do all threading based on the Reference header.
276 If nil, articles that have different subjects from their parents will
277 start separate threads."
281 (defcustom gnus-thread-operation-ignore-subject t
282 "*If non-nil, subjects will be ignored when doing thread commands.
283 This affects commands like `gnus-summary-kill-thread' and
284 `gnus-summary-lower-thread'.
286 If this variable is nil, articles in the same thread with different
287 subjects will not be included in the operation in question. If this
288 variable is `fuzzy', only articles that have subjects that are fuzzily
289 equal will be included."
291 :type '(choice (const :tag "off" nil)
295 (defcustom gnus-thread-indent-level 4
296 "*Number that says how much each sub-thread should be indented."
300 (defcustom gnus-auto-extend-newsgroup t
301 "*If non-nil, extend newsgroup forward and backward when requested."
302 :group 'gnus-summary-choose
305 (defcustom gnus-auto-select-first t
306 "*If non-nil, select the article under point.
307 Which article this is is controlled by the `gnus-auto-select-subject'
310 If you want to prevent automatic selection of articles in some
311 newsgroups, set the variable to nil in `gnus-select-group-hook'."
312 :group 'gnus-group-select
313 :type '(choice (const :tag "none" nil)
314 (sexp :menu-tag "first" t)))
316 (defcustom gnus-auto-select-subject 'unread
317 "*Says what subject to place under point when entering a group.
319 This variable can either be the symbols `first' (place point on the
320 first subject), `unread' (place point on the subject line of the first
321 unread article), `best' (place point on the subject line of the
322 higest-scored article), `unseen' (place point on the subject line of
323 the first unseen article), 'unseen-or-unread' (place point on the subject
324 line of the first unseen article or, if all article have been seen, on the
325 subject line of the first unread article), or a function to be called to
326 place point on some subject line."
328 :group 'gnus-group-select
329 :type '(choice (const best)
333 (const unseen-or-unread)))
335 (defcustom gnus-auto-select-next t
336 "*If non-nil, offer to go to the next group from the end of the previous.
337 If the value is t and the next newsgroup is empty, Gnus will exit
338 summary mode and go back to group mode. If the value is neither nil
339 nor t, Gnus will select the following unread newsgroup. In
340 particular, if the value is the symbol `quietly', the next unread
341 newsgroup will be selected without any confirmation, and if it is
342 `almost-quietly', the next group will be selected without any
343 confirmation if you are located on the last article in the group.
344 Finally, if this variable is `slightly-quietly', the `\\<gnus-summary-mode-map>\\[gnus-summary-catchup-and-goto-next-group]' command
345 will go to the next group without confirmation."
346 :group 'gnus-summary-maneuvering
347 :type '(choice (const :tag "off" nil)
349 (const almost-quietly)
350 (const slightly-quietly)
351 (sexp :menu-tag "on" t)))
353 (defcustom gnus-auto-select-same nil
354 "*If non-nil, select the next article with the same subject.
355 If there are no more articles with the same subject, go to
356 the first unread article."
357 :group 'gnus-summary-maneuvering
360 (defcustom gnus-auto-goto-ignores 'unfetched
361 "*Says how to handle unfetched articles when maneuvering.
363 This variable can either be the symbols nil (maneuver to any
364 article), `undownloaded' (maneuvering while unplugged ignores articles
365 that have not been fetched), `always-undownloaded' (maneuvering always
366 ignores articles that have not been fetched), `unfetched' (maneuvering
367 ignores articles whose headers have not been fetched).
369 NOTE: The list of unfetched articles will always be nil when plugged
370 and, when unplugged, a subset of the undownloaded article list."
372 :group 'gnus-summary-maneuvering
373 :type '(choice (const :tag "None" nil)
374 (const :tag "Undownloaded when unplugged" undownloaded)
375 (const :tag "Undownloaded" always-undownloaded)
376 (const :tag "Unfetched" unfetched)))
378 (defcustom gnus-summary-check-current nil
379 "*If non-nil, consider the current article when moving.
380 The \"unread\" movement commands will stay on the same line if the
381 current article is unread."
382 :group 'gnus-summary-maneuvering
385 (defcustom gnus-auto-center-summary 2
386 "*If non-nil, always center the current summary buffer.
387 In particular, if `vertical' do only vertical recentering. If non-nil
388 and non-`vertical', do both horizontal and vertical recentering."
389 :group 'gnus-summary-maneuvering
390 :type '(choice (const :tag "none" nil)
392 (integer :tag "height")
393 (sexp :menu-tag "both" t)))
395 (defvar gnus-auto-center-group t
396 "*If non-nil, always center the group buffer.")
398 (defcustom gnus-show-all-headers nil
399 "*If non-nil, don't hide any headers."
400 :group 'gnus-article-hiding
401 :group 'gnus-article-headers
404 (defcustom gnus-summary-ignore-duplicates nil
405 "*If non-nil, ignore articles with identical Message-ID headers."
409 (defcustom gnus-single-article-buffer t
410 "*If non-nil, display all articles in the same buffer.
411 If nil, each group will get its own article buffer."
412 :group 'gnus-article-various
415 (defcustom gnus-break-pages t
416 "*If non-nil, do page breaking on articles.
417 The page delimiter is specified by the `gnus-page-delimiter'
419 :group 'gnus-article-various
422 (defcustom gnus-move-split-methods nil
423 "*Variable used to suggest where articles are to be moved to.
424 It uses the same syntax as the `gnus-split-methods' variable.
425 However, whereas `gnus-split-methods' specifies file names as targets,
426 this variable specifies group names."
427 :group 'gnus-summary-mail
428 :type '(repeat (choice (list :value (fun) function)
429 (cons :value ("" "") regexp (repeat string))
432 (defcustom gnus-move-group-prefix-function 'gnus-group-real-prefix
433 "Function used to compute default prefix for article move/copy/etc prompts.
434 The function should take one argument, a group name, and return a
435 string with the suggested prefix."
436 :group 'gnus-summary-mail
439 (defcustom gnus-unread-mark ? ;Whitespace
440 "*Mark used for unread articles."
441 :group 'gnus-summary-marks
444 (defcustom gnus-ticked-mark ?!
445 "*Mark used for ticked articles."
446 :group 'gnus-summary-marks
449 (defcustom gnus-dormant-mark ??
450 "*Mark used for dormant articles."
451 :group 'gnus-summary-marks
454 (defcustom gnus-del-mark ?r
455 "*Mark used for del'd articles."
456 :group 'gnus-summary-marks
459 (defcustom gnus-read-mark ?R
460 "*Mark used for read articles."
461 :group 'gnus-summary-marks
464 (defcustom gnus-expirable-mark ?E
465 "*Mark used for expirable articles."
466 :group 'gnus-summary-marks
469 (defcustom gnus-killed-mark ?K
470 "*Mark used for killed articles."
471 :group 'gnus-summary-marks
474 (defcustom gnus-spam-mark ?$
475 "*Mark used for spam articles."
476 :group 'gnus-summary-marks
479 (defcustom gnus-souped-mark ?F
480 "*Mark used for souped articles."
481 :group 'gnus-summary-marks
484 (defcustom gnus-kill-file-mark ?X
485 "*Mark used for articles killed by kill files."
486 :group 'gnus-summary-marks
489 (defcustom gnus-low-score-mark ?Y
490 "*Mark used for articles with a low score."
491 :group 'gnus-summary-marks
494 (defcustom gnus-catchup-mark ?C
495 "*Mark used for articles that are caught up."
496 :group 'gnus-summary-marks
499 (defcustom gnus-replied-mark ?A
500 "*Mark used for articles that have been replied to."
501 :group 'gnus-summary-marks
504 (defcustom gnus-forwarded-mark ?F
505 "*Mark used for articles that have been forwarded."
507 :group 'gnus-summary-marks
510 (defcustom gnus-recent-mark ?N
511 "*Mark used for articles that are recent."
512 :group 'gnus-summary-marks
515 (defcustom gnus-cached-mark ?*
516 "*Mark used for articles that are in the cache."
517 :group 'gnus-summary-marks
520 (defcustom gnus-saved-mark ?S
521 "*Mark used for articles that have been saved."
522 :group 'gnus-summary-marks
525 (defcustom gnus-unseen-mark ?.
526 "*Mark used for articles that haven't been seen."
528 :group 'gnus-summary-marks
531 (defcustom gnus-no-mark ? ;Whitespace
532 "*Mark used for articles that have no other secondary mark."
534 :group 'gnus-summary-marks
537 (defcustom gnus-ancient-mark ?O
538 "*Mark used for ancient articles."
539 :group 'gnus-summary-marks
542 (defcustom gnus-sparse-mark ?Q
543 "*Mark used for sparsely reffed articles."
544 :group 'gnus-summary-marks
547 (defcustom gnus-canceled-mark ?G
548 "*Mark used for canceled articles."
549 :group 'gnus-summary-marks
552 (defcustom gnus-duplicate-mark ?M
553 "*Mark used for duplicate articles."
554 :group 'gnus-summary-marks
557 (defcustom gnus-undownloaded-mark ?-
558 "*Mark used for articles that weren't downloaded."
559 :group 'gnus-summary-marks
562 (defcustom gnus-downloaded-mark ?+
563 "*Mark used for articles that were downloaded."
564 :group 'gnus-summary-marks
567 (defcustom gnus-downloadable-mark ?%
568 "*Mark used for articles that are to be downloaded."
569 :group 'gnus-summary-marks
572 (defcustom gnus-unsendable-mark ?=
573 "*Mark used for articles that won't be sent."
574 :group 'gnus-summary-marks
577 (defcustom gnus-score-over-mark ?+
578 "*Score mark used for articles with high scores."
579 :group 'gnus-summary-marks
582 (defcustom gnus-score-below-mark ?-
583 "*Score mark used for articles with low scores."
584 :group 'gnus-summary-marks
587 (defcustom gnus-empty-thread-mark ? ;Whitespace
588 "*There is no thread under the article."
589 :group 'gnus-summary-marks
592 (defcustom gnus-not-empty-thread-mark ?=
593 "*There is a thread under the article."
594 :group 'gnus-summary-marks
597 (defcustom gnus-view-pseudo-asynchronously nil
598 "*If non-nil, Gnus will view pseudo-articles asynchronously."
599 :group 'gnus-extract-view
602 (defcustom gnus-auto-expirable-marks
603 (list gnus-killed-mark gnus-del-mark gnus-catchup-mark
604 gnus-low-score-mark gnus-ancient-mark gnus-read-mark
605 gnus-souped-mark gnus-duplicate-mark)
606 "*The list of marks converted into expiration if a group is auto-expirable."
609 :type '(repeat character))
611 (defcustom gnus-inhibit-user-auto-expire t
612 "*If non-nil, user marking commands will not mark an article as expirable, even if the group has auto-expire turned on."
617 (defcustom gnus-view-pseudos nil
618 "*If `automatic', pseudo-articles will be viewed automatically.
619 If `not-confirm', pseudos will be viewed automatically, and the user
620 will not be asked to confirm the command."
621 :group 'gnus-extract-view
622 :type '(choice (const :tag "off" nil)
624 (const not-confirm)))
626 (defcustom gnus-view-pseudos-separately t
627 "*If non-nil, one pseudo-article will be created for each file to be viewed.
628 If nil, all files that use the same viewing command will be given as a
629 list of parameters to that command."
630 :group 'gnus-extract-view
633 (defcustom gnus-insert-pseudo-articles t
634 "*If non-nil, insert pseudo-articles when decoding articles."
635 :group 'gnus-extract-view
638 (defcustom gnus-summary-dummy-line-format
640 "*The format specification for the dummy roots in the summary buffer.
641 It works along the same lines as a normal formatting string,
642 with some simple extensions.
646 General format specifiers can also be used.
647 See `(gnus)Formatting Variables'."
648 :link '(custom-manual "(gnus)Formatting Variables")
649 :group 'gnus-threading
652 (defcustom gnus-summary-mode-line-format "Gnus: %g [%A] %Z"
653 "*The format specification for the summary mode line.
654 It works along the same lines as a normal formatting string,
655 with some simple extensions:
658 %p Unprefixed group name
659 %A Current article number
660 %z Current article score
662 %U Number of unread articles in the group
663 %e Number of unselected articles in the group
664 %Z A string with unread/unselected article counts
665 %g Shortish group name
666 %S Subject of the current article
668 %s Current score file name
669 %d Number of dormant articles
670 %r Number of articles that have been marked as read in this session
671 %E Number of articles expunged by the score files"
672 :group 'gnus-summary-format
675 (defcustom gnus-list-identifiers nil
676 "Regexp that matches list identifiers to be removed from subject.
677 This can also be a list of regexps."
679 :group 'gnus-summary-format
680 :group 'gnus-article-hiding
681 :type '(choice (const :tag "none" nil)
683 (repeat :value (".*") regexp)))
685 (defcustom gnus-summary-mark-below 0
686 "*Mark all articles with a score below this variable as read.
687 This variable is local to each summary buffer and usually set by the
689 :group 'gnus-score-default
692 (defun gnus-widget-reversible-match (widget value)
693 "Ignoring WIDGET, convert VALUE to internal form.
694 VALUE should have the form `FOO' or `(not FOO)', where FOO is an symbol."
698 (eq (length value) 2)
699 (eq (nth 0 value) 'not)
700 (symbolp (nth 1 value)))))
702 (defun gnus-widget-reversible-to-internal (widget value)
703 "Ignoring WIDGET, convert VALUE to internal form.
704 VALUE should have the form `FOO' or `(not FOO)', where FOO is an atom.
705 FOO is converted to (FOO nil) and (not FOO) is converted to (FOO t)."
709 (list (nth 1 value) t)))
711 (defun gnus-widget-reversible-to-external (widget value)
712 "Ignoring WIDGET, convert VALUE to external form.
713 VALUE should have the form `(FOO nil)' or `(FOO t)', where FOO is an atom.
714 \(FOO nil) is converted to FOO and (FOO t) is converted to (not FOO)."
717 (list 'not (nth 0 value))
720 (define-widget 'gnus-widget-reversible 'group
721 "A `group' that convert values."
722 :match 'gnus-widget-reversible-match
723 :value-to-internal 'gnus-widget-reversible-to-internal
724 :value-to-external 'gnus-widget-reversible-to-external)
726 (defcustom gnus-article-sort-functions '(gnus-article-sort-by-number)
727 "*List of functions used for sorting articles in the summary buffer.
729 Each function takes two articles and returns non-nil if the first
730 article should be sorted before the other. If you use more than one
731 function, the primary sort function should be the last. You should
732 probably always include `gnus-article-sort-by-number' in the list of
733 sorting functions -- preferably first. Also note that sorting by date
734 is often much slower than sorting by number, and the sorting order is
735 very similar. (Sorting by date means sorting by the time the message
736 was sent, sorting by number means sorting by arrival time.)
738 Each item can also be a list `(not F)' where F is a function;
739 this reverses the sort order.
741 Ready-made functions include `gnus-article-sort-by-number',
742 `gnus-article-sort-by-author', `gnus-article-sort-by-subject',
743 `gnus-article-sort-by-date', `gnus-article-sort-by-random'
744 and `gnus-article-sort-by-score'.
746 When threading is turned on, the variable `gnus-thread-sort-functions'
747 controls how articles are sorted."
748 :group 'gnus-summary-sort
749 :type '(repeat (gnus-widget-reversible
750 (choice (function-item gnus-article-sort-by-number)
751 (function-item gnus-article-sort-by-author)
752 (function-item gnus-article-sort-by-subject)
753 (function-item gnus-article-sort-by-date)
754 (function-item gnus-article-sort-by-score)
755 (function-item gnus-article-sort-by-random)
756 (function :tag "other"))
757 (boolean :tag "Reverse order"))))
760 (defcustom gnus-thread-sort-functions '(gnus-thread-sort-by-number)
761 "*List of functions used for sorting threads in the summary buffer.
762 By default, threads are sorted by article number.
764 Each function takes two threads and returns non-nil if the first
765 thread should be sorted before the other. If you use more than one
766 function, the primary sort function should be the last. You should
767 probably always include `gnus-thread-sort-by-number' in the list of
768 sorting functions -- preferably first. Also note that sorting by date
769 is often much slower than sorting by number, and the sorting order is
770 very similar. (Sorting by date means sorting by the time the message
771 was sent, sorting by number means sorting by arrival time.)
773 Each list item can also be a list `(not F)' where F is a
774 function; this specifies reversed sort order.
776 Ready-made functions include `gnus-thread-sort-by-number',
777 `gnus-thread-sort-by-author', `gnus-thread-sort-by-subject',
778 `gnus-thread-sort-by-date', `gnus-thread-sort-by-score',
779 `gnus-thread-sort-by-most-recent-number',
780 `gnus-thread-sort-by-most-recent-date',
781 `gnus-thread-sort-by-random', and
782 `gnus-thread-sort-by-total-score' (see `gnus-thread-score-function').
784 When threading is turned off, the variable
785 `gnus-article-sort-functions' controls how articles are sorted."
786 :group 'gnus-summary-sort
788 (gnus-widget-reversible
789 (choice (function-item gnus-thread-sort-by-number)
790 (function-item gnus-thread-sort-by-author)
791 (function-item gnus-thread-sort-by-subject)
792 (function-item gnus-thread-sort-by-date)
793 (function-item gnus-thread-sort-by-score)
794 (function-item gnus-thread-sort-by-most-recent-number)
795 (function-item gnus-thread-sort-by-most-recent-date)
796 (function-item gnus-thread-sort-by-random)
797 (function-item gnus-thread-sort-by-total-score)
798 (function :tag "other"))
799 (boolean :tag "Reverse order"))))
801 (defcustom gnus-thread-score-function '+
802 "*Function used for calculating the total score of a thread.
804 The function is called with the scores of the article and each
805 subthread and should then return the score of the thread.
807 Some functions you can use are `+', `max', or `min'."
808 :group 'gnus-summary-sort
811 (defcustom gnus-summary-expunge-below nil
812 "All articles that have a score less than this variable will be expunged.
813 This variable is local to the summary buffers."
814 :group 'gnus-score-default
815 :type '(choice (const :tag "off" nil)
818 (defcustom gnus-thread-expunge-below nil
819 "All threads that have a total score less than this variable will be expunged.
820 See `gnus-thread-score-function' for en explanation of what a
823 This variable is local to the summary buffers."
824 :group 'gnus-threading
825 :group 'gnus-score-default
826 :type '(choice (const :tag "off" nil)
829 (defcustom gnus-summary-mode-hook nil
830 "*A hook for Gnus summary mode.
831 This hook is run before any variables are set in the summary buffer."
832 :options '(turn-on-gnus-mailing-list-mode gnus-pick-mode)
833 :group 'gnus-summary-various
836 ;; Extracted from gnus-xmas-redefine in order to preserve user settings
837 (when (featurep 'xemacs)
838 (add-hook 'gnus-summary-mode-hook 'gnus-xmas-summary-menu-add)
839 (add-hook 'gnus-summary-mode-hook 'gnus-xmas-setup-summary-toolbar)
840 (add-hook 'gnus-summary-mode-hook
841 'gnus-xmas-switch-horizontal-scrollbar-off))
843 (defcustom gnus-summary-menu-hook nil
844 "*Hook run after the creation of the summary mode menu."
845 :group 'gnus-summary-visual
848 (defcustom gnus-summary-exit-hook nil
849 "*A hook called on exit from the summary buffer.
850 It will be called with point in the group buffer."
851 :group 'gnus-summary-exit
854 (defcustom gnus-summary-prepare-hook nil
855 "*A hook called after the summary buffer has been generated.
856 If you want to modify the summary buffer, you can use this hook."
857 :group 'gnus-summary-various
860 (defcustom gnus-summary-prepared-hook nil
861 "*A hook called as the last thing after the summary buffer has been generated."
862 :group 'gnus-summary-various
865 (defcustom gnus-summary-generate-hook nil
866 "*A hook run just before generating the summary buffer.
867 This hook is commonly used to customize threading variables and the
869 :group 'gnus-summary-various
872 (defcustom gnus-select-group-hook nil
873 "*A hook called when a newsgroup is selected.
875 If you'd like to simplify subjects like the
876 `gnus-summary-next-same-subject' command does, you can use the
879 (add-hook gnus-select-group-hook
881 (mapcar (lambda (header)
882 (mail-header-set-subject
884 (gnus-simplify-subject
885 (mail-header-subject header) 're-only)))
886 gnus-newsgroup-headers)))"
887 :group 'gnus-group-select
890 (defcustom gnus-select-article-hook nil
891 "*A hook called when an article is selected."
892 :group 'gnus-summary-choose
893 :options '(gnus-agent-fetch-selected-article)
896 (defcustom gnus-visual-mark-article-hook
897 (list 'gnus-highlight-selected-summary)
898 "*Hook run after selecting an article in the summary buffer.
899 It is meant to be used for highlighting the article in some way. It
900 is not run if `gnus-visual' is nil."
901 :group 'gnus-summary-visual
904 (defcustom gnus-parse-headers-hook nil
905 "*A hook called before parsing the headers."
909 (defcustom gnus-exit-group-hook nil
910 "*A hook called when exiting summary mode.
911 This hook is not called from the non-updating exit commands like `Q'."
915 (defcustom gnus-summary-update-hook
916 (list 'gnus-summary-highlight-line)
917 "*A hook called when a summary line is changed.
918 The hook will not be called if `gnus-visual' is nil.
920 The default function `gnus-summary-highlight-line' will
921 highlight the line according to the `gnus-summary-highlight'
923 :group 'gnus-summary-visual
926 (defcustom gnus-mark-article-hook '(gnus-summary-mark-read-and-unread-as-read)
927 "*A hook called when an article is selected for the first time.
928 The hook is intended to mark an article as read (or unread)
929 automatically when it is selected."
930 :group 'gnus-summary-choose
933 (defcustom gnus-group-no-more-groups-hook nil
934 "*A hook run when returning to group mode having no more (unread) groups."
935 :group 'gnus-group-select
938 (defcustom gnus-ps-print-hook nil
939 "*A hook run before ps-printing something from Gnus."
943 (defcustom gnus-summary-article-move-hook nil
944 "*A hook called after an article is moved, copied, respooled, or crossposted."
948 (defcustom gnus-summary-article-delete-hook nil
949 "*A hook called after an article is deleted."
953 (defcustom gnus-summary-article-expire-hook nil
954 "*A hook called after an article is expired."
958 (defcustom gnus-summary-display-arrow
959 (and (fboundp 'display-graphic-p)
961 "*If non-nil, display an arrow highlighting the current article."
966 (defcustom gnus-summary-selected-face 'gnus-summary-selected-face
967 "Face used for highlighting the current article in the summary buffer."
968 :group 'gnus-summary-visual
971 (defvar gnus-tmp-downloaded nil)
973 (defcustom gnus-summary-highlight
974 '(((eq mark gnus-canceled-mark)
975 . gnus-summary-cancelled-face)
976 ((and uncached (> score default-high))
977 . gnus-summary-high-undownloaded-face)
978 ((and uncached (< score default-low))
979 . gnus-summary-low-undownloaded-face)
981 . gnus-summary-normal-undownloaded-face)
982 ((and (> score default-high)
983 (or (eq mark gnus-dormant-mark)
984 (eq mark gnus-ticked-mark)))
985 . gnus-summary-high-ticked-face)
986 ((and (< score default-low)
987 (or (eq mark gnus-dormant-mark)
988 (eq mark gnus-ticked-mark)))
989 . gnus-summary-low-ticked-face)
990 ((or (eq mark gnus-dormant-mark)
991 (eq mark gnus-ticked-mark))
992 . gnus-summary-normal-ticked-face)
993 ((and (> score default-high) (eq mark gnus-ancient-mark))
994 . gnus-summary-high-ancient-face)
995 ((and (< score default-low) (eq mark gnus-ancient-mark))
996 . gnus-summary-low-ancient-face)
997 ((eq mark gnus-ancient-mark)
998 . gnus-summary-normal-ancient-face)
999 ((and (> score default-high) (eq mark gnus-unread-mark))
1000 . gnus-summary-high-unread-face)
1001 ((and (< score default-low) (eq mark gnus-unread-mark))
1002 . gnus-summary-low-unread-face)
1003 ((eq mark gnus-unread-mark)
1004 . gnus-summary-normal-unread-face)
1005 ((> score default-high)
1006 . gnus-summary-high-read-face)
1007 ((< score default-low)
1008 . gnus-summary-low-read-face)
1010 . gnus-summary-normal-read-face))
1011 "*Controls the highlighting of summary buffer lines.
1013 A list of (FORM . FACE) pairs. When deciding how a a particular
1014 summary line should be displayed, each form is evaluated. The content
1015 of the face field after the first true form is used. You can change
1016 how those summary lines are displayed, by editing the face field.
1018 You can use the following variables in the FORM field.
1020 score: The article's score
1021 default: The default article score.
1022 default-high: The default score for high scored articles.
1023 default-low: The default score for low scored articles.
1024 below: The score below which articles are automatically marked as read.
1025 mark: The article's mark.
1026 uncached: Non-nil if the article is uncached."
1027 :group 'gnus-summary-visual
1028 :type '(repeat (cons (sexp :tag "Form" nil)
1031 (defcustom gnus-alter-header-function nil
1032 "Function called to allow alteration of article header structures.
1033 The function is called with one parameter, the article header vector,
1034 which it may alter in any way."
1035 :type '(choice (const :tag "None" nil)
1037 :group 'gnus-summary)
1039 (defvar gnus-decode-encoded-word-function 'mail-decode-encoded-word-string
1040 "Variable that says which function should be used to decode a string with encoded words.")
1042 (defcustom gnus-extra-headers '(To Newsgroups)
1043 "*Extra headers to parse."
1045 :group 'gnus-summary
1046 :type '(repeat symbol))
1048 (defcustom gnus-ignored-from-addresses
1049 (and user-mail-address (regexp-quote user-mail-address))
1050 "*Regexp of From headers that may be suppressed in favor of To headers."
1052 :group 'gnus-summary
1055 (defcustom gnus-newsgroup-ignored-charsets '(unknown-8bit x-unknown)
1056 "List of charsets that should be ignored.
1057 When these charsets are used in the \"charset\" parameter, the
1058 default charset will be used instead."
1060 :type '(repeat symbol)
1061 :group 'gnus-charset)
1063 (gnus-define-group-parameter
1067 "Return the ignored charsets of GROUP."
1068 :variable gnus-group-ignored-charsets-alist
1070 '(("alt\\.chinese\\.text" iso-8859-1))
1072 "Alist of regexps (to match group names) and charsets that should be ignored.
1073 When these charsets are used in the \"charset\" parameter, the
1074 default charset will be used instead."
1075 :variable-group gnus-charset
1076 :variable-type '(repeat (cons (regexp :tag "Group")
1078 :parameter-type '(choice :tag "Ignored charsets"
1081 :parameter-document "\
1082 List of charsets that should be ignored.
1084 When these charsets are used in the \"charset\" parameter, the
1085 default charset will be used instead.")
1087 (defcustom gnus-group-highlight-words-alist nil
1088 "Alist of group regexps and highlight regexps.
1089 This variable uses the same syntax as `gnus-emphasis-alist'."
1091 :type '(repeat (cons (regexp :tag "Group")
1092 (repeat (list (regexp :tag "Highlight regexp")
1093 (number :tag "Group for entire word" 0)
1094 (number :tag "Group for displayed part" 0)
1096 gnus-emphasis-highlight-words)))))
1097 :group 'gnus-summary-visual)
1099 (defcustom gnus-summary-show-article-charset-alist
1101 "Alist of number and charset.
1102 The article will be shown with the charset corresponding to the
1104 For example: ((1 . cn-gb-2312) (2 . big5))."
1106 :type '(repeat (cons (number :tag "Argument" 1)
1107 (symbol :tag "Charset")))
1108 :group 'gnus-charset)
1110 (defcustom gnus-preserve-marks t
1111 "Whether marks are preserved when moving, copying and respooling messages."
1114 :group 'gnus-summary-marks)
1116 (defcustom gnus-alter-articles-to-read-function nil
1117 "Function to be called to alter the list of articles to be selected."
1118 :type '(choice (const nil) function)
1119 :group 'gnus-summary)
1121 (defcustom gnus-orphan-score nil
1122 "*All orphans get this score added. Set in the score file."
1123 :group 'gnus-score-default
1124 :type '(choice (const nil)
1127 (defcustom gnus-summary-save-parts-default-mime "image/.*"
1128 "*A regexp to match MIME parts when saving multiple parts of a
1129 message with `gnus-summary-save-parts' (\\<gnus-summary-mode-map>\\[gnus-summary-save-parts]).
1130 This regexp will be used by default when prompting the user for which
1131 type of files to save."
1132 :group 'gnus-summary
1135 (defcustom gnus-read-all-available-headers nil
1136 "Whether Gnus should parse all headers made available to it.
1137 This is mostly relevant for slow back ends where the user may
1138 wish to widen the summary buffer to include all headers
1139 that were fetched. Say, for nnultimate groups."
1141 :group 'gnus-summary
1142 :type '(choice boolean regexp))
1144 (defcustom gnus-summary-muttprint-program "muttprint"
1145 "Command (and optional arguments) used to run Muttprint."
1147 :group 'gnus-summary
1150 (defcustom gnus-article-loose-mime t
1151 "If non-nil, don't require MIME-Version header.
1152 Some brain-damaged MUA/MTA, e.g. Lotus Domino 5.0.6 clients, does not
1153 supply the MIME-Version header or deliberately strip it from the mail.
1154 If non-nil (the default), Gnus will treat some articles as MIME
1155 even if the MIME-Version header is missing."
1158 :group 'gnus-article-mime)
1160 (defcustom gnus-article-emulate-mime t
1161 "If non-nil, use MIME emulation for uuencode and the like.
1162 This means that Gnus will search message bodies for text that look
1163 like uuencoded bits, yEncoded bits, and so on, and present that using
1164 the normal Gnus MIME machinery."
1167 :group 'gnus-article-mime)
1169 ;;; Internal variables
1171 (defvar gnus-summary-display-cache nil)
1172 (defvar gnus-article-mime-handles nil)
1173 (defvar gnus-article-decoded-p nil)
1174 (defvar gnus-article-charset nil)
1175 (defvar gnus-article-ignored-charsets nil)
1176 (defvar gnus-scores-exclude-files nil)
1177 (defvar gnus-page-broken nil)
1179 (defvar gnus-original-article nil)
1180 (defvar gnus-article-internal-prepare-hook nil)
1181 (defvar gnus-newsgroup-process-stack nil)
1183 (defvar gnus-thread-indent-array nil)
1184 (defvar gnus-thread-indent-array-level gnus-thread-indent-level)
1185 (defvar gnus-sort-gathered-threads-function 'gnus-thread-sort-by-number
1186 "Function called to sort the articles within a thread after it has been gathered together.")
1188 (defvar gnus-summary-save-parts-type-history nil)
1189 (defvar gnus-summary-save-parts-last-directory mm-default-directory)
1191 ;; Avoid highlighting in kill files.
1192 (defvar gnus-summary-inhibit-highlight nil)
1193 (defvar gnus-newsgroup-selected-overlay nil)
1194 (defvar gnus-inhibit-limiting nil)
1195 (defvar gnus-newsgroup-adaptive-score-file nil)
1196 (defvar gnus-current-score-file nil)
1197 (defvar gnus-current-move-group nil)
1198 (defvar gnus-current-copy-group nil)
1199 (defvar gnus-current-crosspost-group nil)
1200 (defvar gnus-newsgroup-display nil)
1202 (defvar gnus-newsgroup-dependencies nil)
1203 (defvar gnus-newsgroup-adaptive nil)
1204 (defvar gnus-summary-display-article-function nil)
1205 (defvar gnus-summary-highlight-line-function nil
1206 "Function called after highlighting a summary line.")
1208 (defvar gnus-summary-line-format-alist
1209 `((?N ,(macroexpand '(mail-header-number gnus-tmp-header)) ?d)
1210 (?S ,(macroexpand '(mail-header-subject gnus-tmp-header)) ?s)
1211 (?s gnus-tmp-subject-or-nil ?s)
1212 (?n gnus-tmp-name ?s)
1213 (?A (car (cdr (funcall gnus-extract-address-components gnus-tmp-from)))
1215 (?a (or (car (funcall gnus-extract-address-components gnus-tmp-from))
1217 (?F gnus-tmp-from ?s)
1218 (?x ,(macroexpand '(mail-header-xref gnus-tmp-header)) ?s)
1219 (?D ,(macroexpand '(mail-header-date gnus-tmp-header)) ?s)
1220 (?d (gnus-dd-mmm (mail-header-date gnus-tmp-header)) ?s)
1221 (?o (gnus-date-iso8601 (mail-header-date gnus-tmp-header)) ?s)
1222 (?M ,(macroexpand '(mail-header-id gnus-tmp-header)) ?s)
1223 (?r ,(macroexpand '(mail-header-references gnus-tmp-header)) ?s)
1224 (?c (or (mail-header-chars gnus-tmp-header) 0) ?d)
1225 (?k (gnus-summary-line-message-size gnus-tmp-header) ?s)
1226 (?L gnus-tmp-lines ?s)
1227 (?O gnus-tmp-downloaded ?c)
1228 (?I gnus-tmp-indentation ?s)
1229 (?T (if (= gnus-tmp-level 0) "" (make-string (frame-width) ? )) ?s)
1230 (?R gnus-tmp-replied ?c)
1231 (?\[ gnus-tmp-opening-bracket ?c)
1232 (?\] gnus-tmp-closing-bracket ?c)
1233 (?\> (make-string gnus-tmp-level ? ) ?s)
1234 (?\< (make-string (max 0 (- 20 gnus-tmp-level)) ? ) ?s)
1235 (?i gnus-tmp-score ?d)
1236 (?z gnus-tmp-score-char ?c)
1237 (?V (gnus-thread-total-score (and (boundp 'thread) (car thread))) ?d)
1238 (?U gnus-tmp-unread ?c)
1239 (?f (gnus-summary-from-or-to-or-newsgroups gnus-tmp-header gnus-tmp-from)
1241 (?t (gnus-summary-number-of-articles-in-thread
1242 (and (boundp 'thread) (car thread)) gnus-tmp-level)
1244 (?e (gnus-summary-number-of-articles-in-thread
1245 (and (boundp 'thread) (car thread)) gnus-tmp-level t)
1247 (?u gnus-tmp-user-defined ?s)
1248 (?P (gnus-pick-line-number) ?d)
1249 (?B gnus-tmp-thread-tree-header-string ?s)
1250 (user-date (gnus-user-date
1251 ,(macroexpand '(mail-header-date gnus-tmp-header))) ?s))
1252 "An alist of format specifications that can appear in summary lines.
1253 These are paired with what variables they correspond with, along with
1254 the type of the variable (string, integer, character, etc).")
1256 (defvar gnus-summary-dummy-line-format-alist
1257 `((?S gnus-tmp-subject ?s)
1258 (?N gnus-tmp-number ?d)
1259 (?u gnus-tmp-user-defined ?s)))
1261 (defvar gnus-summary-mode-line-format-alist
1262 `((?G gnus-tmp-group-name ?s)
1263 (?g (gnus-short-group-name gnus-tmp-group-name) ?s)
1264 (?p (gnus-group-real-name gnus-tmp-group-name) ?s)
1265 (?A gnus-tmp-article-number ?d)
1266 (?Z gnus-tmp-unread-and-unselected ?s)
1267 (?V gnus-version ?s)
1268 (?U gnus-tmp-unread-and-unticked ?d)
1269 (?S gnus-tmp-subject ?s)
1270 (?e gnus-tmp-unselected ?d)
1271 (?u gnus-tmp-user-defined ?s)
1272 (?d (length gnus-newsgroup-dormant) ?d)
1273 (?t (length gnus-newsgroup-marked) ?d)
1274 (?h (length gnus-newsgroup-spam-marked) ?d)
1275 (?r (length gnus-newsgroup-reads) ?d)
1276 (?z (gnus-summary-article-score gnus-tmp-article-number) ?d)
1277 (?E gnus-newsgroup-expunged-tally ?d)
1278 (?s (gnus-current-score-file-nondirectory) ?s)))
1280 (defvar gnus-last-search-regexp nil
1281 "Default regexp for article search command.")
1283 (defvar gnus-last-shell-command nil
1284 "Default shell command on article.")
1286 (defvar gnus-newsgroup-agentized nil
1287 "Locally bound in each summary buffer to indicate whether the server has been agentized.")
1288 (defvar gnus-newsgroup-begin nil)
1289 (defvar gnus-newsgroup-end nil)
1290 (defvar gnus-newsgroup-last-rmail nil)
1291 (defvar gnus-newsgroup-last-mail nil)
1292 (defvar gnus-newsgroup-last-folder nil)
1293 (defvar gnus-newsgroup-last-file nil)
1294 (defvar gnus-newsgroup-auto-expire nil)
1295 (defvar gnus-newsgroup-active nil)
1297 (defvar gnus-newsgroup-data nil)
1298 (defvar gnus-newsgroup-data-reverse nil)
1299 (defvar gnus-newsgroup-limit nil)
1300 (defvar gnus-newsgroup-limits nil)
1301 (defvar gnus-summary-use-undownloaded-faces nil)
1303 (defvar gnus-newsgroup-unreads nil
1304 "Sorted list of unread articles in the current newsgroup.")
1306 (defvar gnus-newsgroup-unselected nil
1307 "Sorted list of unselected unread articles in the current newsgroup.")
1309 (defvar gnus-newsgroup-reads nil
1310 "Alist of read articles and article marks in the current newsgroup.")
1312 (defvar gnus-newsgroup-expunged-tally nil)
1314 (defvar gnus-newsgroup-marked nil
1315 "Sorted list of ticked articles in the current newsgroup (a subset of unread art).")
1317 (defvar gnus-newsgroup-spam-marked nil
1318 "List of ranges of articles that have been marked as spam.")
1320 (defvar gnus-newsgroup-killed nil
1321 "List of ranges of articles that have been through the scoring process.")
1323 (defvar gnus-newsgroup-cached nil
1324 "Sorted list of articles that come from the article cache.")
1326 (defvar gnus-newsgroup-saved nil
1327 "List of articles that have been saved.")
1329 (defvar gnus-newsgroup-kill-headers nil)
1331 (defvar gnus-newsgroup-replied nil
1332 "List of articles that have been replied to in the current newsgroup.")
1334 (defvar gnus-newsgroup-forwarded nil
1335 "List of articles that have been forwarded in the current newsgroup.")
1337 (defvar gnus-newsgroup-recent nil
1338 "List of articles that have are recent in the current newsgroup.")
1340 (defvar gnus-newsgroup-expirable nil
1341 "Sorted list of articles in the current newsgroup that can be expired.")
1343 (defvar gnus-newsgroup-processable nil
1344 "List of articles in the current newsgroup that can be processed.")
1346 (defvar gnus-newsgroup-downloadable nil
1347 "Sorted list of articles in the current newsgroup that can be processed.")
1349 (defvar gnus-newsgroup-unfetched nil
1350 "Sorted list of articles in the current newsgroup whose headers have
1351 not been fetched into the agent.
1353 This list will always be a subset of gnus-newsgroup-undownloaded.")
1355 (defvar gnus-newsgroup-undownloaded nil
1356 "List of articles in the current newsgroup that haven't been downloaded.")
1358 (defvar gnus-newsgroup-unsendable nil
1359 "List of articles in the current newsgroup that won't be sent.")
1361 (defvar gnus-newsgroup-bookmarks nil
1362 "List of articles in the current newsgroup that have bookmarks.")
1364 (defvar gnus-newsgroup-dormant nil
1365 "Sorted list of dormant articles in the current newsgroup.")
1367 (defvar gnus-newsgroup-unseen nil
1368 "List of unseen articles in the current newsgroup.")
1370 (defvar gnus-newsgroup-seen nil
1371 "Range of seen articles in the current newsgroup.")
1373 (defvar gnus-newsgroup-articles nil
1374 "List of articles in the current newsgroup.")
1376 (defvar gnus-newsgroup-scored nil
1377 "List of scored articles in the current newsgroup.")
1379 (defvar gnus-newsgroup-headers nil
1380 "List of article headers in the current newsgroup.")
1382 (defvar gnus-newsgroup-threads nil)
1384 (defvar gnus-newsgroup-prepared nil
1385 "Whether the current group has been prepared properly.")
1387 (defvar gnus-newsgroup-ancient nil
1388 "List of `gnus-fetch-old-headers' articles in the current newsgroup.")
1390 (defvar gnus-newsgroup-sparse nil)
1392 (defvar gnus-current-article nil)
1393 (defvar gnus-article-current nil)
1394 (defvar gnus-current-headers nil)
1395 (defvar gnus-have-all-headers nil)
1396 (defvar gnus-last-article nil)
1397 (defvar gnus-newsgroup-history nil)
1398 (defvar gnus-newsgroup-charset nil)
1399 (defvar gnus-newsgroup-ephemeral-charset nil)
1400 (defvar gnus-newsgroup-ephemeral-ignored-charsets nil)
1402 (defvar gnus-article-before-search nil)
1404 (defvar gnus-summary-local-variables
1405 '(gnus-newsgroup-name
1406 gnus-newsgroup-begin gnus-newsgroup-end
1407 gnus-newsgroup-last-rmail gnus-newsgroup-last-mail
1408 gnus-newsgroup-last-folder gnus-newsgroup-last-file
1409 gnus-newsgroup-auto-expire gnus-newsgroup-unreads
1410 gnus-newsgroup-unselected gnus-newsgroup-marked
1411 gnus-newsgroup-spam-marked
1412 gnus-newsgroup-reads gnus-newsgroup-saved
1413 gnus-newsgroup-replied gnus-newsgroup-forwarded
1414 gnus-newsgroup-recent
1415 gnus-newsgroup-expirable
1416 gnus-newsgroup-processable gnus-newsgroup-killed
1417 gnus-newsgroup-downloadable gnus-newsgroup-undownloaded
1418 gnus-newsgroup-unfetched
1419 gnus-newsgroup-unsendable gnus-newsgroup-unseen
1420 gnus-newsgroup-seen gnus-newsgroup-articles
1421 gnus-newsgroup-bookmarks gnus-newsgroup-dormant
1422 gnus-newsgroup-headers gnus-newsgroup-threads
1423 gnus-newsgroup-prepared gnus-summary-highlight-line-function
1424 gnus-current-article gnus-current-headers gnus-have-all-headers
1425 gnus-last-article gnus-article-internal-prepare-hook
1426 gnus-newsgroup-dependencies gnus-newsgroup-selected-overlay
1427 gnus-newsgroup-scored gnus-newsgroup-kill-headers
1428 gnus-thread-expunge-below
1429 gnus-score-alist gnus-current-score-file
1430 (gnus-summary-expunge-below . global)
1431 (gnus-summary-mark-below . global)
1432 (gnus-orphan-score . global)
1433 gnus-newsgroup-active gnus-scores-exclude-files
1434 gnus-newsgroup-history gnus-newsgroup-ancient
1435 gnus-newsgroup-sparse gnus-newsgroup-process-stack
1436 (gnus-newsgroup-adaptive . gnus-use-adaptive-scoring)
1437 gnus-newsgroup-adaptive-score-file (gnus-reffed-article-number . -1)
1438 (gnus-newsgroup-expunged-tally . 0)
1439 gnus-cache-removable-articles gnus-newsgroup-cached
1440 gnus-newsgroup-data gnus-newsgroup-data-reverse
1441 gnus-newsgroup-limit gnus-newsgroup-limits
1442 gnus-newsgroup-charset gnus-newsgroup-display
1443 gnus-summary-use-undownloaded-faces)
1444 "Variables that are buffer-local to the summary buffers.")
1446 (defvar gnus-newsgroup-variables nil
1447 "A list of variables that have separate values in different newsgroups.
1448 A list of newsgroup (summary buffer) local variables, or cons of
1449 variables and their default expressions to be evalled (when the default
1450 values are not nil), that should be made global while the summary buffer
1453 Note: The default expressions will be evaluated (using function `eval')
1454 before assignment to the local variable rather than just assigned to it.
1455 If the default expression is the symbol `global', that symbol will not
1456 be evaluated but the global value of the local variable will be used
1459 These variables can be used to set variables in the group parameters
1460 while still allowing them to affect operations done in other buffers.
1463 \(setq gnus-newsgroup-variables
1464 '(message-use-followup-to
1465 (gnus-visible-headers .
1466 \"^From:\\\\|^Newsgroups:\\\\|^Subject:\\\\|^Date:\\\\|^To:\")))
1469 ;; Byte-compiler warning.
1471 ;; Bind features so that require will believe that gnus-sum has
1472 ;; already been loaded (avoids infinite recursion)
1473 (let ((features (cons 'gnus-sum features)))
1474 ;; Several of the declarations in gnus-sum are needed to load the
1475 ;; following files. Right now, these definitions have been
1476 ;; compiled but not defined (evaluated). We could either do a
1477 ;; eval-and-compile about all of the declarations or evaluate the
1479 (if (boundp 'gnus-newsgroup-variables)
1481 (load "gnus-sum.el" t t t))
1483 (require 'gnus-art)))
1487 (defvar gnus-decode-encoded-word-methods
1488 '(mail-decode-encoded-word-string)
1489 "List of methods used to decode encoded words.
1491 This variable is a list of FUNCTION or (REGEXP . FUNCTION). If item
1492 is FUNCTION, FUNCTION will be apply to all newsgroups. If item is a
1493 \(REGEXP . FUNCTION), FUNCTION will be only apply to thes newsgroups
1494 whose names match REGEXP.
1497 \((\"chinese\" . gnus-decode-encoded-word-string-by-guess)
1498 mail-decode-encoded-word-string
1499 (\"chinese\" . rfc1843-decode-string))")
1501 (defvar gnus-decode-encoded-word-methods-cache nil)
1503 (defun gnus-multi-decode-encoded-word-string (string)
1504 "Apply the functions from `gnus-encoded-word-methods' that match."
1505 (unless (and gnus-decode-encoded-word-methods-cache
1506 (eq gnus-newsgroup-name
1507 (car gnus-decode-encoded-word-methods-cache)))
1508 (setq gnus-decode-encoded-word-methods-cache (list gnus-newsgroup-name))
1511 (nconc gnus-decode-encoded-word-methods-cache (list x))
1512 (if (and gnus-newsgroup-name
1513 (string-match (car x) gnus-newsgroup-name))
1514 (nconc gnus-decode-encoded-word-methods-cache
1516 gnus-decode-encoded-word-methods))
1517 (let ((xlist gnus-decode-encoded-word-methods-cache))
1520 (setq string (funcall (pop xlist) string))))
1523 ;; Subject simplification.
1525 (defun gnus-simplify-whitespace (str)
1526 "Remove excessive whitespace from STR."
1528 (while (string-match "[ \t][ \t]+" str)
1529 (setq str (concat (substring str 0 (match-beginning 0))
1531 (substring str (match-end 0)))))
1533 (when (string-match "^[ \t]+" str)
1534 (setq str (substring str (match-end 0))))
1536 (when (string-match "[ \t]+$" str)
1537 (setq str (substring str 0 (match-beginning 0))))
1540 (defun gnus-simplify-all-whitespace (str)
1541 "Remove all whitespace from STR."
1542 (while (string-match "[ \t\n]+" str)
1543 (setq str (replace-match "" nil nil str)))
1546 (defsubst gnus-simplify-subject-re (subject)
1547 "Remove \"Re:\" from subject lines."
1548 (if (string-match message-subject-re-regexp subject)
1549 (substring subject (match-end 0))
1552 (defun gnus-simplify-subject (subject &optional re-only)
1553 "Remove `Re:' and words in parentheses.
1554 If RE-ONLY is non-nil, strip leading `Re:'s only."
1555 (let ((case-fold-search t)) ;Ignore case.
1556 ;; Remove `Re:', `Re^N:', `Re(n)', and `Re[n]:'.
1557 (when (string-match "\\`\\(re\\([[(^][0-9]+[])]?\\)?:[ \t]*\\)+" subject)
1558 (setq subject (substring subject (match-end 0))))
1559 ;; Remove uninteresting prefixes.
1560 (when (and (not re-only)
1561 gnus-simplify-ignored-prefixes
1562 (string-match gnus-simplify-ignored-prefixes subject))
1563 (setq subject (substring subject (match-end 0))))
1564 ;; Remove words in parentheses from end.
1566 (while (string-match "[ \t\n]*([^()]*)[ \t\n]*\\'" subject)
1567 (setq subject (substring subject 0 (match-beginning 0)))))
1568 ;; Return subject string.
1571 ;; Remove any leading "re:"s, any trailing paren phrases, and simplify
1573 (defsubst gnus-simplify-buffer-fuzzy-step (regexp &optional newtext)
1574 (goto-char (point-min))
1575 (while (re-search-forward regexp nil t)
1576 (replace-match (or newtext ""))))
1578 (defun gnus-simplify-buffer-fuzzy ()
1579 "Simplify string in the buffer fuzzily.
1580 The string in the accessible portion of the current buffer is simplified.
1581 It is assumed to be a single-line subject.
1582 Whitespace is generally cleaned up, and miscellaneous leading/trailing
1583 matter is removed. Additional things can be deleted by setting
1584 `gnus-simplify-subject-fuzzy-regexp'."
1585 (let ((case-fold-search t)
1587 (gnus-simplify-buffer-fuzzy-step "\t" " ")
1589 (while (not (eq modified-tick (buffer-modified-tick)))
1590 (setq modified-tick (buffer-modified-tick))
1592 ((listp gnus-simplify-subject-fuzzy-regexp)
1593 (mapcar 'gnus-simplify-buffer-fuzzy-step
1594 gnus-simplify-subject-fuzzy-regexp))
1595 (gnus-simplify-subject-fuzzy-regexp
1596 (gnus-simplify-buffer-fuzzy-step gnus-simplify-subject-fuzzy-regexp)))
1597 (gnus-simplify-buffer-fuzzy-step "^ *\\[[-+?*!][-+?*!]\\] *")
1598 (gnus-simplify-buffer-fuzzy-step
1599 "^ *\\(re\\|fw\\|fwd\\)[[{(^0-9]*[])}]?[:;] *")
1600 (gnus-simplify-buffer-fuzzy-step "^[[].*:\\( .*\\)[]]$" "\\1"))
1602 (gnus-simplify-buffer-fuzzy-step " *[[{(][^()\n]*[]})] *$")
1603 (gnus-simplify-buffer-fuzzy-step " +" " ")
1604 (gnus-simplify-buffer-fuzzy-step " $")
1605 (gnus-simplify-buffer-fuzzy-step "^ +")))
1607 (defun gnus-simplify-subject-fuzzy (subject)
1608 "Simplify a subject string fuzzily.
1609 See `gnus-simplify-buffer-fuzzy' for details."
1611 (gnus-set-work-buffer)
1612 (let ((case-fold-search t))
1613 ;; Remove uninteresting prefixes.
1614 (when (and gnus-simplify-ignored-prefixes
1615 (string-match gnus-simplify-ignored-prefixes subject))
1616 (setq subject (substring subject (match-end 0))))
1618 (inline (gnus-simplify-buffer-fuzzy))
1621 (defsubst gnus-simplify-subject-fully (subject)
1622 "Simplify a subject string according to `gnus-summary-gather-subject-limit'."
1624 (gnus-simplify-subject-functions
1625 (gnus-map-function gnus-simplify-subject-functions subject))
1626 ((null gnus-summary-gather-subject-limit)
1627 (gnus-simplify-subject-re subject))
1628 ((eq gnus-summary-gather-subject-limit 'fuzzy)
1629 (gnus-simplify-subject-fuzzy subject))
1630 ((numberp gnus-summary-gather-subject-limit)
1631 (gnus-limit-string (gnus-simplify-subject-re subject)
1632 gnus-summary-gather-subject-limit))
1636 (defsubst gnus-subject-equal (s1 s2 &optional simple-first)
1637 "Check whether two subjects are equal.
1638 If optional argument SIMPLE-FIRST is t, first argument is already
1641 ((null simple-first)
1642 (equal (gnus-simplify-subject-fully s1)
1643 (gnus-simplify-subject-fully s2)))
1646 (gnus-simplify-subject-fully s2)))))
1648 (defun gnus-summary-bubble-group ()
1649 "Increase the score of the current group.
1650 This is a handy function to add to `gnus-summary-exit-hook' to
1651 increase the score of each group you read."
1652 (gnus-group-add-score gnus-newsgroup-name))
1656 ;;; Gnus summary mode
1659 (put 'gnus-summary-mode 'mode-class 'special)
1661 (defvar gnus-article-commands-menu)
1663 ;; Non-orthogonal keys
1665 (gnus-define-keys gnus-summary-mode-map
1666 " " gnus-summary-next-page
1667 "\177" gnus-summary-prev-page
1668 [delete] gnus-summary-prev-page
1669 [backspace] gnus-summary-prev-page
1670 "\r" gnus-summary-scroll-up
1671 "\M-\r" gnus-summary-scroll-down
1672 "n" gnus-summary-next-unread-article
1673 "p" gnus-summary-prev-unread-article
1674 "N" gnus-summary-next-article
1675 "P" gnus-summary-prev-article
1676 "\M-\C-n" gnus-summary-next-same-subject
1677 "\M-\C-p" gnus-summary-prev-same-subject
1678 "\M-n" gnus-summary-next-unread-subject
1679 "\M-p" gnus-summary-prev-unread-subject
1680 "." gnus-summary-first-unread-article
1681 "," gnus-summary-best-unread-article
1682 "\M-s" gnus-summary-search-article-forward
1683 "\M-r" gnus-summary-search-article-backward
1684 "<" gnus-summary-beginning-of-article
1685 ">" gnus-summary-end-of-article
1686 "j" gnus-summary-goto-article
1687 "^" gnus-summary-refer-parent-article
1688 "\M-^" gnus-summary-refer-article
1689 "u" gnus-summary-tick-article-forward
1690 "!" gnus-summary-tick-article-forward
1691 "U" gnus-summary-tick-article-backward
1692 "d" gnus-summary-mark-as-read-forward
1693 "D" gnus-summary-mark-as-read-backward
1694 "E" gnus-summary-mark-as-expirable
1695 "\M-u" gnus-summary-clear-mark-forward
1696 "\M-U" gnus-summary-clear-mark-backward
1697 "k" gnus-summary-kill-same-subject-and-select
1698 "\C-k" gnus-summary-kill-same-subject
1699 "\M-\C-k" gnus-summary-kill-thread
1700 "\M-\C-l" gnus-summary-lower-thread
1701 "e" gnus-summary-edit-article
1702 "#" gnus-summary-mark-as-processable
1703 "\M-#" gnus-summary-unmark-as-processable
1704 "\M-\C-t" gnus-summary-toggle-threads
1705 "\M-\C-s" gnus-summary-show-thread
1706 "\M-\C-h" gnus-summary-hide-thread
1707 "\M-\C-f" gnus-summary-next-thread
1708 "\M-\C-b" gnus-summary-prev-thread
1709 [(meta down)] gnus-summary-next-thread
1710 [(meta up)] gnus-summary-prev-thread
1711 "\M-\C-u" gnus-summary-up-thread
1712 "\M-\C-d" gnus-summary-down-thread
1713 "&" gnus-summary-execute-command
1714 "c" gnus-summary-catchup-and-exit
1715 "\C-w" gnus-summary-mark-region-as-read
1716 "\C-t" gnus-summary-toggle-truncation
1717 "?" gnus-summary-mark-as-dormant
1718 "\C-c\M-\C-s" gnus-summary-limit-include-expunged
1719 "\C-c\C-s\C-n" gnus-summary-sort-by-number
1720 "\C-c\C-s\C-l" gnus-summary-sort-by-lines
1721 "\C-c\C-s\C-c" gnus-summary-sort-by-chars
1722 "\C-c\C-s\C-a" gnus-summary-sort-by-author
1723 "\C-c\C-s\C-s" gnus-summary-sort-by-subject
1724 "\C-c\C-s\C-d" gnus-summary-sort-by-date
1725 "\C-c\C-s\C-i" gnus-summary-sort-by-score
1726 "\C-c\C-s\C-o" gnus-summary-sort-by-original
1727 "\C-c\C-s\C-r" gnus-summary-sort-by-random
1728 "=" gnus-summary-expand-window
1729 "\C-x\C-s" gnus-summary-reselect-current-group
1730 "\M-g" gnus-summary-rescan-group
1731 "w" gnus-summary-stop-page-breaking
1732 "\C-c\C-r" gnus-summary-caesar-message
1733 "f" gnus-summary-followup
1734 "F" gnus-summary-followup-with-original
1735 "C" gnus-summary-cancel-article
1736 "r" gnus-summary-reply
1737 "R" gnus-summary-reply-with-original
1738 "\C-c\C-f" gnus-summary-mail-forward
1739 "o" gnus-summary-save-article
1740 "\C-o" gnus-summary-save-article-mail
1741 "|" gnus-summary-pipe-output
1742 "\M-k" gnus-summary-edit-local-kill
1743 "\M-K" gnus-summary-edit-global-kill
1745 "\C-c\C-d" gnus-summary-describe-group
1746 "q" gnus-summary-exit
1747 "Q" gnus-summary-exit-no-update
1748 "\C-c\C-i" gnus-info-find-node
1749 gnus-mouse-2 gnus-mouse-pick-article
1750 "m" gnus-summary-mail-other-window
1751 "a" gnus-summary-post-news
1752 "i" gnus-summary-news-other-window
1753 "x" gnus-summary-limit-to-unread
1754 "s" gnus-summary-isearch-article
1755 "t" gnus-summary-toggle-header
1756 "g" gnus-summary-show-article
1757 "l" gnus-summary-goto-last-article
1758 "\C-c\C-v\C-v" gnus-uu-decode-uu-view
1759 "\C-d" gnus-summary-enter-digest-group
1760 "\M-\C-d" gnus-summary-read-document
1761 "\M-\C-e" gnus-summary-edit-parameters
1762 "\M-\C-a" gnus-summary-customize-parameters
1764 "*" gnus-cache-enter-article
1765 "\M-*" gnus-cache-remove-article
1766 "\M-&" gnus-summary-universal-argument
1767 "\C-l" gnus-recenter
1768 "I" gnus-summary-increase-score
1769 "L" gnus-summary-lower-score
1770 "\M-i" gnus-symbolic-argument
1771 "h" gnus-summary-select-article-buffer
1773 "b" gnus-article-view-part
1774 "\M-t" gnus-summary-toggle-display-buttonized
1776 "V" gnus-summary-score-map
1777 "X" gnus-uu-extract-map
1778 "S" gnus-summary-send-map)
1780 ;; Sort of orthogonal keymap
1781 (gnus-define-keys (gnus-summary-mark-map "M" gnus-summary-mode-map)
1782 "t" gnus-summary-tick-article-forward
1783 "!" gnus-summary-tick-article-forward
1784 "d" gnus-summary-mark-as-read-forward
1785 "r" gnus-summary-mark-as-read-forward
1786 "c" gnus-summary-clear-mark-forward
1787 " " gnus-summary-clear-mark-forward
1788 "e" gnus-summary-mark-as-expirable
1789 "x" gnus-summary-mark-as-expirable
1790 "?" gnus-summary-mark-as-dormant
1791 "b" gnus-summary-set-bookmark
1792 "B" gnus-summary-remove-bookmark
1793 "#" gnus-summary-mark-as-processable
1794 "\M-#" gnus-summary-unmark-as-processable
1795 "S" gnus-summary-limit-include-expunged
1796 "C" gnus-summary-catchup
1797 "H" gnus-summary-catchup-to-here
1798 "h" gnus-summary-catchup-from-here
1799 "\C-c" gnus-summary-catchup-all
1800 "k" gnus-summary-kill-same-subject-and-select
1801 "K" gnus-summary-kill-same-subject
1802 "P" gnus-uu-mark-map)
1804 (gnus-define-keys (gnus-summary-mscore-map "V" gnus-summary-mark-map)
1805 "c" gnus-summary-clear-above
1806 "u" gnus-summary-tick-above
1807 "m" gnus-summary-mark-above
1808 "k" gnus-summary-kill-below)
1810 (gnus-define-keys (gnus-summary-limit-map "/" gnus-summary-mode-map)
1811 "/" gnus-summary-limit-to-subject
1812 "n" gnus-summary-limit-to-articles
1813 "w" gnus-summary-pop-limit
1814 "s" gnus-summary-limit-to-subject
1815 "a" gnus-summary-limit-to-author
1816 "u" gnus-summary-limit-to-unread
1817 "m" gnus-summary-limit-to-marks
1818 "M" gnus-summary-limit-exclude-marks
1819 "v" gnus-summary-limit-to-score
1820 "*" gnus-summary-limit-include-cached
1821 "D" gnus-summary-limit-include-dormant
1822 "T" gnus-summary-limit-include-thread
1823 "d" gnus-summary-limit-exclude-dormant
1824 "t" gnus-summary-limit-to-age
1825 "." gnus-summary-limit-to-unseen
1826 "x" gnus-summary-limit-to-extra
1827 "p" gnus-summary-limit-to-display-predicate
1828 "E" gnus-summary-limit-include-expunged
1829 "c" gnus-summary-limit-exclude-childless-dormant
1830 "C" gnus-summary-limit-mark-excluded-as-read
1831 "o" gnus-summary-insert-old-articles
1832 "N" gnus-summary-insert-new-articles
1833 "r" gnus-summary-limit-to-replied)
1835 (gnus-define-keys (gnus-summary-goto-map "G" gnus-summary-mode-map)
1836 "n" gnus-summary-next-unread-article
1837 "p" gnus-summary-prev-unread-article
1838 "N" gnus-summary-next-article
1839 "P" gnus-summary-prev-article
1840 "\C-n" gnus-summary-next-same-subject
1841 "\C-p" gnus-summary-prev-same-subject
1842 "\M-n" gnus-summary-next-unread-subject
1843 "\M-p" gnus-summary-prev-unread-subject
1844 "f" gnus-summary-first-unread-article
1845 "b" gnus-summary-best-unread-article
1846 "j" gnus-summary-goto-article
1847 "g" gnus-summary-goto-subject
1848 "l" gnus-summary-goto-last-article
1849 "o" gnus-summary-pop-article)
1851 (gnus-define-keys (gnus-summary-thread-map "T" gnus-summary-mode-map)
1852 "k" gnus-summary-kill-thread
1853 "l" gnus-summary-lower-thread
1854 "i" gnus-summary-raise-thread
1855 "T" gnus-summary-toggle-threads
1856 "t" gnus-summary-rethread-current
1857 "^" gnus-summary-reparent-thread
1858 "s" gnus-summary-show-thread
1859 "S" gnus-summary-show-all-threads
1860 "h" gnus-summary-hide-thread
1861 "H" gnus-summary-hide-all-threads
1862 "n" gnus-summary-next-thread
1863 "p" gnus-summary-prev-thread
1864 "u" gnus-summary-up-thread
1865 "o" gnus-summary-top-thread
1866 "d" gnus-summary-down-thread
1867 "#" gnus-uu-mark-thread
1868 "\M-#" gnus-uu-unmark-thread)
1870 (gnus-define-keys (gnus-summary-buffer-map "Y" gnus-summary-mode-map)
1871 "g" gnus-summary-prepare
1872 "c" gnus-summary-insert-cached-articles
1873 "d" gnus-summary-insert-dormant-articles)
1875 (gnus-define-keys (gnus-summary-exit-map "Z" gnus-summary-mode-map)
1876 "c" gnus-summary-catchup-and-exit
1877 "C" gnus-summary-catchup-all-and-exit
1878 "E" gnus-summary-exit-no-update
1879 "Q" gnus-summary-exit
1880 "Z" gnus-summary-exit
1881 "n" gnus-summary-catchup-and-goto-next-group
1882 "R" gnus-summary-reselect-current-group
1883 "G" gnus-summary-rescan-group
1884 "N" gnus-summary-next-group
1885 "s" gnus-summary-save-newsrc
1886 "P" gnus-summary-prev-group)
1888 (gnus-define-keys (gnus-summary-article-map "A" gnus-summary-mode-map)
1889 " " gnus-summary-next-page
1890 "n" gnus-summary-next-page
1891 "\177" gnus-summary-prev-page
1892 [delete] gnus-summary-prev-page
1893 "p" gnus-summary-prev-page
1894 "\r" gnus-summary-scroll-up
1895 "\M-\r" gnus-summary-scroll-down
1896 "<" gnus-summary-beginning-of-article
1897 ">" gnus-summary-end-of-article
1898 "b" gnus-summary-beginning-of-article
1899 "e" gnus-summary-end-of-article
1900 "^" gnus-summary-refer-parent-article
1901 "r" gnus-summary-refer-parent-article
1902 "D" gnus-summary-enter-digest-group
1903 "R" gnus-summary-refer-references
1904 "T" gnus-summary-refer-thread
1905 "g" gnus-summary-show-article
1906 "s" gnus-summary-isearch-article
1907 "P" gnus-summary-print-article
1908 "M" gnus-mailing-list-insinuate
1909 "t" gnus-article-babel)
1911 (gnus-define-keys (gnus-summary-wash-map "W" gnus-summary-mode-map)
1912 "b" gnus-article-add-buttons
1913 "B" gnus-article-add-buttons-to-head
1914 "o" gnus-article-treat-overstrike
1915 "e" gnus-article-emphasize
1916 "w" gnus-article-fill-cited-article
1917 "Q" gnus-article-fill-long-lines
1918 "C" gnus-article-capitalize-sentences
1919 "c" gnus-article-remove-cr
1920 "q" gnus-article-de-quoted-unreadable
1921 "6" gnus-article-de-base64-unreadable
1922 "Z" gnus-article-decode-HZ
1923 "A" gnus-article-treat-ansi-sequences
1924 "h" gnus-article-wash-html
1925 "u" gnus-article-unsplit-urls
1926 "s" gnus-summary-force-verify-and-decrypt
1927 "f" gnus-article-display-x-face
1928 "l" gnus-summary-stop-page-breaking
1929 "r" gnus-summary-caesar-message
1930 "m" gnus-summary-morse-message
1931 "t" gnus-summary-toggle-header
1932 "g" gnus-treat-smiley
1933 "v" gnus-summary-verbose-headers
1934 "a" gnus-article-strip-headers-in-body ;; mnemonic: wash archive
1935 "p" gnus-article-verify-x-pgp-sig
1936 "d" gnus-article-treat-dumbquotes)
1938 (gnus-define-keys (gnus-summary-wash-deuglify-map "Y" gnus-summary-wash-map)
1939 ;; mnemonic: deuglif*Y*
1940 "u" gnus-article-outlook-unwrap-lines
1941 "a" gnus-article-outlook-repair-attribution
1942 "c" gnus-article-outlook-rearrange-citation
1943 "f" gnus-article-outlook-deuglify-article) ;; mnemonic: full deuglify
1945 (gnus-define-keys (gnus-summary-wash-hide-map "W" gnus-summary-wash-map)
1946 "a" gnus-article-hide
1947 "h" gnus-article-hide-headers
1948 "b" gnus-article-hide-boring-headers
1949 "s" gnus-article-hide-signature
1950 "c" gnus-article-hide-citation
1951 "C" gnus-article-hide-citation-in-followups
1952 "l" gnus-article-hide-list-identifiers
1953 "B" gnus-article-strip-banner
1954 "P" gnus-article-hide-pem
1955 "\C-c" gnus-article-hide-citation-maybe)
1957 (gnus-define-keys (gnus-summary-wash-highlight-map "H" gnus-summary-wash-map)
1958 "a" gnus-article-highlight
1959 "h" gnus-article-highlight-headers
1960 "c" gnus-article-highlight-citation
1961 "s" gnus-article-highlight-signature)
1963 (gnus-define-keys (gnus-summary-wash-header-map "G" gnus-summary-wash-map)
1964 "f" gnus-article-treat-fold-headers
1965 "u" gnus-article-treat-unfold-headers
1966 "n" gnus-article-treat-fold-newsgroups)
1968 (gnus-define-keys (gnus-summary-wash-display-map "D" gnus-summary-wash-map)
1969 "x" gnus-article-display-x-face
1970 "d" gnus-article-display-face
1971 "s" gnus-treat-smiley
1972 "D" gnus-article-remove-images
1973 "f" gnus-treat-from-picon
1974 "m" gnus-treat-mail-picon
1975 "n" gnus-treat-newsgroups-picon)
1977 (gnus-define-keys (gnus-summary-wash-mime-map "M" gnus-summary-wash-map)
1978 "w" gnus-article-decode-mime-words
1979 "c" gnus-article-decode-charset
1980 "v" gnus-mime-view-all-parts
1981 "b" gnus-article-view-part)
1983 (gnus-define-keys (gnus-summary-wash-time-map "T" gnus-summary-wash-map)
1984 "z" gnus-article-date-ut
1985 "u" gnus-article-date-ut
1986 "l" gnus-article-date-local
1987 "p" gnus-article-date-english
1988 "e" gnus-article-date-lapsed
1989 "o" gnus-article-date-original
1990 "i" gnus-article-date-iso8601
1991 "s" gnus-article-date-user)
1993 (gnus-define-keys (gnus-summary-wash-empty-map "E" gnus-summary-wash-map)
1994 "t" gnus-article-remove-trailing-blank-lines
1995 "l" gnus-article-strip-leading-blank-lines
1996 "m" gnus-article-strip-multiple-blank-lines
1997 "a" gnus-article-strip-blank-lines
1998 "A" gnus-article-strip-all-blank-lines
1999 "s" gnus-article-strip-leading-space
2000 "e" gnus-article-strip-trailing-space
2001 "w" gnus-article-remove-leading-whitespace)
2003 (gnus-define-keys (gnus-summary-help-map "H" gnus-summary-mode-map)
2005 "f" gnus-summary-fetch-faq
2006 "d" gnus-summary-describe-group
2007 "h" gnus-summary-describe-briefly
2008 "i" gnus-info-find-node
2009 "c" gnus-group-fetch-charter
2010 "C" gnus-group-fetch-control)
2012 (gnus-define-keys (gnus-summary-backend-map "B" gnus-summary-mode-map)
2013 "e" gnus-summary-expire-articles
2014 "\M-\C-e" gnus-summary-expire-articles-now
2015 "\177" gnus-summary-delete-article
2016 [delete] gnus-summary-delete-article
2017 [backspace] gnus-summary-delete-article
2018 "m" gnus-summary-move-article
2019 "r" gnus-summary-respool-article
2020 "w" gnus-summary-edit-article
2021 "c" gnus-summary-copy-article
2022 "B" gnus-summary-crosspost-article
2023 "q" gnus-summary-respool-query
2024 "t" gnus-summary-respool-trace
2025 "i" gnus-summary-import-article
2026 "I" gnus-summary-create-article
2027 "p" gnus-summary-article-posted-p)
2029 (gnus-define-keys (gnus-summary-save-map "O" gnus-summary-mode-map)
2030 "o" gnus-summary-save-article
2031 "m" gnus-summary-save-article-mail
2032 "F" gnus-summary-write-article-file
2033 "r" gnus-summary-save-article-rmail
2034 "f" gnus-summary-save-article-file
2035 "b" gnus-summary-save-article-body-file
2036 "h" gnus-summary-save-article-folder
2037 "v" gnus-summary-save-article-vm
2038 "p" gnus-summary-pipe-output
2039 "P" gnus-summary-muttprint
2040 "s" gnus-soup-add-article)
2042 (gnus-define-keys (gnus-summary-mime-map "K" gnus-summary-mode-map)
2043 "b" gnus-summary-display-buttonized
2044 "m" gnus-summary-repair-multipart
2045 "v" gnus-article-view-part
2046 "o" gnus-article-save-part
2047 "c" gnus-article-copy-part
2048 "C" gnus-article-view-part-as-charset
2049 "e" gnus-article-view-part-externally
2050 "E" gnus-article-encrypt-body
2051 "i" gnus-article-inline-part
2052 "|" gnus-article-pipe-part)
2054 (gnus-define-keys (gnus-uu-mark-map "P" gnus-summary-mark-map)
2055 "p" gnus-summary-mark-as-processable
2056 "u" gnus-summary-unmark-as-processable
2057 "U" gnus-summary-unmark-all-processable
2058 "v" gnus-uu-mark-over
2059 "s" gnus-uu-mark-series
2060 "r" gnus-uu-mark-region
2061 "g" gnus-uu-unmark-region
2062 "R" gnus-uu-mark-by-regexp
2063 "G" gnus-uu-unmark-by-regexp
2064 "t" gnus-uu-mark-thread
2065 "T" gnus-uu-unmark-thread
2066 "a" gnus-uu-mark-all
2067 "b" gnus-uu-mark-buffer
2068 "S" gnus-uu-mark-sparse
2069 "k" gnus-summary-kill-process-mark
2070 "y" gnus-summary-yank-process-mark
2071 "w" gnus-summary-save-process-mark
2072 "i" gnus-uu-invert-processable)
2074 (gnus-define-keys (gnus-uu-extract-map "X" gnus-summary-mode-map)
2075 ;;"x" gnus-uu-extract-any
2076 "m" gnus-summary-save-parts
2077 "u" gnus-uu-decode-uu
2078 "U" gnus-uu-decode-uu-and-save
2079 "s" gnus-uu-decode-unshar
2080 "S" gnus-uu-decode-unshar-and-save
2081 "o" gnus-uu-decode-save
2082 "O" gnus-uu-decode-save
2083 "b" gnus-uu-decode-binhex
2084 "B" gnus-uu-decode-binhex
2085 "p" gnus-uu-decode-postscript
2086 "P" gnus-uu-decode-postscript-and-save)
2089 (gnus-uu-extract-view-map "v" gnus-uu-extract-map)
2090 "u" gnus-uu-decode-uu-view
2091 "U" gnus-uu-decode-uu-and-save-view
2092 "s" gnus-uu-decode-unshar-view
2093 "S" gnus-uu-decode-unshar-and-save-view
2094 "o" gnus-uu-decode-save-view
2095 "O" gnus-uu-decode-save-view
2096 "b" gnus-uu-decode-binhex-view
2097 "B" gnus-uu-decode-binhex-view
2098 "p" gnus-uu-decode-postscript-view
2099 "P" gnus-uu-decode-postscript-and-save-view)
2101 (defvar gnus-article-post-menu nil)
2103 (defconst gnus-summary-menu-maxlen 20)
2105 (defun gnus-summary-menu-split (menu)
2106 ;; If we have lots of elements, divide them into groups of 20
2107 ;; and make a pane (or submenu) for each one.
2108 (if (> (length menu) (/ (* gnus-summary-menu-maxlen 3) 2))
2109 (let ((menu menu) sublists next
2112 ;; Pull off the next gnus-summary-menu-maxlen elements
2113 ;; and make them the next element of sublist.
2114 (setq next (nthcdr gnus-summary-menu-maxlen menu))
2116 (setcdr (nthcdr (1- gnus-summary-menu-maxlen) menu)
2118 (setq sublists (cons (cons (format "%s ... %s" (aref (car menu) 0)
2119 (aref (car (last menu)) 0)) menu)
2123 (nreverse sublists))
2124 ;; Few elements--put them all in one pane.
2127 (defun gnus-summary-make-menu-bar ()
2128 (gnus-turn-off-edit-menu 'summary)
2130 (unless (boundp 'gnus-summary-misc-menu)
2133 gnus-summary-kill-menu gnus-summary-mode-map ""
2138 ["Customize" gnus-score-customize t])
2139 (gnus-make-score-map 'increase)
2140 (gnus-make-score-map 'lower)
2142 ["Kill below" gnus-summary-kill-below t]
2143 ["Mark above" gnus-summary-mark-above t]
2144 ["Tick above" gnus-summary-tick-above t]
2145 ["Clear above" gnus-summary-clear-above t])
2146 ["Current score" gnus-summary-current-score t]
2147 ["Set score" gnus-summary-set-score t]
2148 ["Switch current score file..." gnus-score-change-score-file t]
2149 ["Set mark below..." gnus-score-set-mark-below t]
2150 ["Set expunge below..." gnus-score-set-expunge-below t]
2151 ["Edit current score file" gnus-score-edit-current-scores t]
2152 ["Edit score file" gnus-score-edit-file t]
2153 ["Trace score" gnus-score-find-trace t]
2154 ["Find words" gnus-score-find-favourite-words t]
2155 ["Rescore buffer" gnus-summary-rescore t]
2156 ["Increase score..." gnus-summary-increase-score t]
2157 ["Lower score..." gnus-summary-lower-score t]))))
2159 ;; Define both the Article menu in the summary buffer and the
2160 ;; equivalent Commands menu in the article buffer here for
2164 ["All" gnus-article-hide t]
2165 ["Headers" gnus-article-hide-headers t]
2166 ["Signature" gnus-article-hide-signature t]
2167 ["Citation" gnus-article-hide-citation t]
2168 ["List identifiers" gnus-article-hide-list-identifiers t]
2169 ["Banner" gnus-article-strip-banner t]
2170 ["Boring headers" gnus-article-hide-boring-headers t])
2172 ["All" gnus-article-highlight t]
2173 ["Headers" gnus-article-highlight-headers t]
2174 ["Signature" gnus-article-highlight-signature t]
2175 ["Citation" gnus-article-highlight-citation t])
2177 ["Words" gnus-article-decode-mime-words t]
2178 ["Charset" gnus-article-decode-charset t]
2179 ["QP" gnus-article-de-quoted-unreadable t]
2180 ["Base64" gnus-article-de-base64-unreadable t]
2181 ["View MIME buttons" gnus-summary-display-buttonized t]
2182 ["View all" gnus-mime-view-all-parts t]
2183 ["Verify and Decrypt" gnus-summary-force-verify-and-decrypt t]
2184 ["Encrypt body" gnus-article-encrypt-body
2185 :active (not (gnus-group-read-only-p))
2186 ,@(if (featurep 'xemacs) nil
2187 '(:help "Encrypt the message body on disk"))]
2188 ["Extract all parts..." gnus-summary-save-parts t]
2190 ["Repair multipart" gnus-summary-repair-multipart t]
2191 ["Pipe part..." gnus-article-pipe-part t]
2192 ["Inline part" gnus-article-inline-part t]
2193 ["Encrypt body" gnus-article-encrypt-body
2194 :active (not (gnus-group-read-only-p))
2195 ,@(if (featurep 'xemacs) nil
2196 '(:help "Encrypt the message body on disk"))]
2197 ["View part externally" gnus-article-view-part-externally t]
2198 ["View part with charset..." gnus-article-view-part-as-charset t]
2199 ["Copy part" gnus-article-copy-part t]
2200 ["Save part..." gnus-article-save-part t]
2201 ["View part" gnus-article-view-part t]))
2203 ["Local" gnus-article-date-local t]
2204 ["ISO8601" gnus-article-date-iso8601 t]
2205 ["UT" gnus-article-date-ut t]
2206 ["Original" gnus-article-date-original t]
2207 ["Lapsed" gnus-article-date-lapsed t]
2208 ["User-defined" gnus-article-date-user t])
2210 ["Remove images" gnus-article-remove-images t]
2211 ["Toggle smiley" gnus-treat-smiley t]
2212 ["Show X-Face" gnus-article-display-x-face t]
2213 ["Show picons in From" gnus-treat-from-picon t]
2214 ["Show picons in mail headers" gnus-treat-mail-picon t]
2215 ["Show picons in news headers" gnus-treat-newsgroups-picon t]
2216 ("View as different encoding"
2217 ,@(gnus-summary-menu-split
2220 ;; Since easymenu under Emacs doesn't allow
2221 ;; lambda forms for menu commands, we should
2222 ;; provide intern'ed function symbols.
2223 (let ((command (intern (format "\
2224 gnus-summary-show-article-from-menu-as-charset-%s" cs))))
2228 (let ((gnus-summary-show-article-charset-alist
2230 (gnus-summary-show-article 1))))
2231 `[,(symbol-name cs) ,command t]))
2232 (sort (if (fboundp 'coding-system-list)
2233 (coding-system-list)
2234 (mapcar 'car mm-mime-mule-charset-alist))
2238 ["Leading" gnus-article-strip-leading-blank-lines t]
2239 ["Multiple" gnus-article-strip-multiple-blank-lines t]
2240 ["Trailing" gnus-article-remove-trailing-blank-lines t]
2241 ["All of the above" gnus-article-strip-blank-lines t]
2242 ["All" gnus-article-strip-all-blank-lines t]
2243 ["Leading space" gnus-article-strip-leading-space t]
2244 ["Trailing space" gnus-article-strip-trailing-space t]
2245 ["Leading space in headers"
2246 gnus-article-remove-leading-whitespace t])
2247 ["Overstrike" gnus-article-treat-overstrike t]
2248 ["Dumb quotes" gnus-article-treat-dumbquotes t]
2249 ["Emphasis" gnus-article-emphasize t]
2250 ["Word wrap" gnus-article-fill-cited-article t]
2251 ["Fill long lines" gnus-article-fill-long-lines t]
2252 ["Capitalize sentences" gnus-article-capitalize-sentences t]
2253 ["Remove CR" gnus-article-remove-cr t]
2254 ["Quoted-Printable" gnus-article-de-quoted-unreadable t]
2255 ["Base64" gnus-article-de-base64-unreadable t]
2256 ["Rot 13" gnus-summary-caesar-message
2257 ,@(if (featurep 'xemacs) '(t)
2258 '(:help "\"Caesar rotate\" article by 13"))]
2259 ["Morse decode" gnus-summary-morse-message t]
2260 ["Unix pipe..." gnus-summary-pipe-message t]
2261 ["Add buttons" gnus-article-add-buttons t]
2262 ["Add buttons to head" gnus-article-add-buttons-to-head t]
2263 ["Stop page breaking" gnus-summary-stop-page-breaking t]
2264 ["Verbose header" gnus-summary-verbose-headers t]
2265 ["Toggle header" gnus-summary-toggle-header t]
2266 ["Unfold headers" gnus-article-treat-unfold-headers t]
2267 ["Fold newsgroups" gnus-article-treat-fold-newsgroups t]
2268 ["Html" gnus-article-wash-html t]
2269 ["Unsplit URLs" gnus-article-unsplit-urls t]
2270 ["Verify X-PGP-Sig" gnus-article-verify-x-pgp-sig t]
2271 ["Decode HZ" gnus-article-decode-HZ t]
2272 ["ANSI sequences" gnus-article-treat-ansi-sequences t]
2273 ("(Outlook) Deuglify"
2274 ["Unwrap lines" gnus-article-outlook-unwrap-lines t]
2275 ["Repair attribution" gnus-article-outlook-repair-attribution t]
2276 ["Rearrange citation" gnus-article-outlook-rearrange-citation t]
2277 ["Full (Outlook) deuglify"
2278 gnus-article-outlook-deuglify-article t])
2281 ["Save in default format..." gnus-summary-save-article
2282 ,@(if (featurep 'xemacs) '(t)
2283 '(:help "Save article using default method"))]
2284 ["Save in file..." gnus-summary-save-article-file
2285 ,@(if (featurep 'xemacs) '(t)
2286 '(:help "Save article in file"))]
2287 ["Save in Unix mail format..." gnus-summary-save-article-mail t]
2288 ["Save in MH folder..." gnus-summary-save-article-folder t]
2289 ["Save in VM folder..." gnus-summary-save-article-vm t]
2290 ["Save in RMAIL mbox..." gnus-summary-save-article-rmail t]
2291 ["Save body in file..." gnus-summary-save-article-body-file t]
2292 ["Pipe through a filter..." gnus-summary-pipe-output t]
2293 ["Add to SOUP packet" gnus-soup-add-article t]
2294 ["Print with Muttprint..." gnus-summary-muttprint t]
2295 ["Print" gnus-summary-print-article
2296 ,@(if (featurep 'xemacs) '(t)
2297 '(:help "Generate and print a PostScript image"))])
2298 ("Copy, move,... (Backend)"
2299 ,@(if (featurep 'xemacs) nil
2300 '(:help "Copying, moving, expiring articles..."))
2301 ["Respool article..." gnus-summary-respool-article t]
2302 ["Move article..." gnus-summary-move-article
2303 (gnus-check-backend-function
2304 'request-move-article gnus-newsgroup-name)]
2305 ["Copy article..." gnus-summary-copy-article t]
2306 ["Crosspost article..." gnus-summary-crosspost-article
2307 (gnus-check-backend-function
2308 'request-replace-article gnus-newsgroup-name)]
2309 ["Import file..." gnus-summary-import-article
2310 (gnus-check-backend-function
2311 'request-accept-article gnus-newsgroup-name)]
2312 ["Create article..." gnus-summary-create-article
2313 (gnus-check-backend-function
2314 'request-accept-article gnus-newsgroup-name)]
2315 ["Check if posted" gnus-summary-article-posted-p t]
2316 ["Edit article" gnus-summary-edit-article
2317 (not (gnus-group-read-only-p))]
2318 ["Delete article" gnus-summary-delete-article
2319 (gnus-check-backend-function
2320 'request-expire-articles gnus-newsgroup-name)]
2321 ["Query respool" gnus-summary-respool-query t]
2322 ["Trace respool" gnus-summary-respool-trace t]
2323 ["Delete expirable articles" gnus-summary-expire-articles-now
2324 (gnus-check-backend-function
2325 'request-expire-articles gnus-newsgroup-name)])
2327 ["Uudecode" gnus-uu-decode-uu
2328 ,@(if (featurep 'xemacs) '(t)
2329 '(:help "Decode uuencoded article(s)"))]
2330 ["Uudecode and save" gnus-uu-decode-uu-and-save t]
2331 ["Unshar" gnus-uu-decode-unshar t]
2332 ["Unshar and save" gnus-uu-decode-unshar-and-save t]
2333 ["Save" gnus-uu-decode-save t]
2334 ["Binhex" gnus-uu-decode-binhex t]
2335 ["Postscript" gnus-uu-decode-postscript t]
2336 ["All MIME parts" gnus-summary-save-parts t])
2338 ["Enter article" gnus-cache-enter-article t]
2339 ["Remove article" gnus-cache-remove-article t])
2340 ["Translate" gnus-article-babel t]
2341 ["Select article buffer" gnus-summary-select-article-buffer t]
2342 ["Enter digest buffer" gnus-summary-enter-digest-group t]
2343 ["Isearch article..." gnus-summary-isearch-article t]
2344 ["Beginning of the article" gnus-summary-beginning-of-article t]
2345 ["End of the article" gnus-summary-end-of-article t]
2346 ["Fetch parent of article" gnus-summary-refer-parent-article t]
2347 ["Fetch referenced articles" gnus-summary-refer-references t]
2348 ["Fetch current thread" gnus-summary-refer-thread t]
2349 ["Fetch article with id..." gnus-summary-refer-article t]
2350 ["Setup Mailing List Params" gnus-mailing-list-insinuate t]
2351 ["Redisplay" gnus-summary-show-article t]
2352 ["Raw article" gnus-summary-show-raw-article :keys "C-u g"])))
2354 gnus-summary-article-menu gnus-summary-mode-map ""
2355 (cons "Article" innards))
2357 (if (not (keymapp gnus-summary-article-menu))
2359 gnus-article-commands-menu gnus-article-mode-map ""
2360 (cons "Commands" innards))
2361 ;; in Emacs, don't share menu.
2362 (setq gnus-article-commands-menu
2363 (copy-keymap gnus-summary-article-menu))
2364 (define-key gnus-article-mode-map [menu-bar commands]
2365 (cons "Commands" gnus-article-commands-menu))))
2368 gnus-summary-thread-menu gnus-summary-mode-map ""
2370 ["Find all messages in thread" gnus-summary-refer-thread t]
2371 ["Toggle threading" gnus-summary-toggle-threads t]
2372 ["Hide threads" gnus-summary-hide-all-threads t]
2373 ["Show threads" gnus-summary-show-all-threads t]
2374 ["Hide thread" gnus-summary-hide-thread t]
2375 ["Show thread" gnus-summary-show-thread t]
2376 ["Go to next thread" gnus-summary-next-thread t]
2377 ["Go to previous thread" gnus-summary-prev-thread t]
2378 ["Go down thread" gnus-summary-down-thread t]
2379 ["Go up thread" gnus-summary-up-thread t]
2380 ["Top of thread" gnus-summary-top-thread t]
2381 ["Mark thread as read" gnus-summary-kill-thread t]
2382 ["Lower thread score" gnus-summary-lower-thread t]
2383 ["Raise thread score" gnus-summary-raise-thread t]
2384 ["Rethread current" gnus-summary-rethread-current t]))
2387 gnus-summary-post-menu gnus-summary-mode-map ""
2389 ["Send a message (mail or news)" gnus-summary-post-news
2390 ,@(if (featurep 'xemacs) '(t)
2391 '(:help "Compose a new message (mail or news)"))]
2392 ["Followup" gnus-summary-followup
2393 ,@(if (featurep 'xemacs) '(t)
2394 '(:help "Post followup to this article"))]
2395 ["Followup and yank" gnus-summary-followup-with-original
2396 ,@(if (featurep 'xemacs) '(t)
2397 '(:help "Post followup to this article, quoting its contents"))]
2398 ["Supersede article" gnus-summary-supersede-article t]
2399 ["Cancel article" gnus-summary-cancel-article
2400 ,@(if (featurep 'xemacs) '(t)
2401 '(:help "Cancel an article you posted"))]
2402 ["Reply" gnus-summary-reply t]
2403 ["Reply and yank" gnus-summary-reply-with-original t]
2404 ["Wide reply" gnus-summary-wide-reply t]
2405 ["Wide reply and yank" gnus-summary-wide-reply-with-original
2406 ,@(if (featurep 'xemacs) '(t)
2407 '(:help "Mail a reply, quoting this article"))]
2408 ["Very wide reply" gnus-summary-very-wide-reply t]
2409 ["Very wide reply and yank" gnus-summary-very-wide-reply-with-original
2410 ,@(if (featurep 'xemacs) '(t)
2411 '(:help "Mail a very wide reply, quoting this article"))]
2412 ["Mail forward" gnus-summary-mail-forward t]
2413 ["Post forward" gnus-summary-post-forward t]
2414 ["Digest and mail" gnus-uu-digest-mail-forward t]
2415 ["Digest and post" gnus-uu-digest-post-forward t]
2416 ["Resend message" gnus-summary-resend-message t]
2417 ["Resend message edit" gnus-summary-resend-message-edit t]
2418 ["Send bounced mail" gnus-summary-resend-bounced-mail t]
2419 ["Send a mail" gnus-summary-mail-other-window t]
2420 ["Create a local message" gnus-summary-news-other-window t]
2421 ["Uuencode and post" gnus-uu-post-news
2422 ,@(if (featurep 'xemacs) '(t)
2423 '(:help "Post a uuencoded article"))]
2424 ["Followup via news" gnus-summary-followup-to-mail t]
2425 ["Followup via news and yank"
2426 gnus-summary-followup-to-mail-with-original t]
2428 ;;["Send" gnus-summary-send-draft t]
2429 ;;["Send bounced" gnus-resend-bounced-mail t])
2433 ((not (keymapp gnus-summary-post-menu))
2434 (setq gnus-article-post-menu gnus-summary-post-menu))
2435 ((not gnus-article-post-menu)
2436 ;; Don't share post menu.
2437 (setq gnus-article-post-menu
2438 (copy-keymap gnus-summary-post-menu))))
2439 (define-key gnus-article-mode-map [menu-bar post]
2440 (cons "Post" gnus-article-post-menu))
2443 gnus-summary-misc-menu gnus-summary-mode-map ""
2446 ["Mark as read" gnus-summary-mark-as-read-forward t]
2447 ["Mark same subject and select"
2448 gnus-summary-kill-same-subject-and-select t]
2449 ["Mark same subject" gnus-summary-kill-same-subject t]
2450 ["Catchup" gnus-summary-catchup
2451 ,@(if (featurep 'xemacs) '(t)
2452 '(:help "Mark unread articles in this group as read"))]
2453 ["Catchup all" gnus-summary-catchup-all t]
2454 ["Catchup to here" gnus-summary-catchup-to-here t]
2455 ["Catchup from here" gnus-summary-catchup-from-here t]
2456 ["Catchup region" gnus-summary-mark-region-as-read
2457 (gnus-mark-active-p)]
2458 ["Mark excluded" gnus-summary-limit-mark-excluded-as-read t])
2460 ["Tick" gnus-summary-tick-article-forward t]
2461 ["Mark as dormant" gnus-summary-mark-as-dormant t]
2462 ["Remove marks" gnus-summary-clear-mark-forward t]
2463 ["Set expirable mark" gnus-summary-mark-as-expirable t]
2464 ["Set bookmark" gnus-summary-set-bookmark t]
2465 ["Remove bookmark" gnus-summary-remove-bookmark t])
2467 ["Marks..." gnus-summary-limit-to-marks t]
2468 ["Subject..." gnus-summary-limit-to-subject t]
2469 ["Author..." gnus-summary-limit-to-author t]
2470 ["Age..." gnus-summary-limit-to-age t]
2471 ["Extra..." gnus-summary-limit-to-extra t]
2472 ["Score..." gnus-summary-limit-to-score t]
2473 ["Display Predicate" gnus-summary-limit-to-display-predicate t]
2474 ["Unread" gnus-summary-limit-to-unread t]
2475 ["Unseen" gnus-summary-limit-to-unseen t]
2476 ["Replied" gnus-summary-limit-to-replied t]
2477 ["Non-dormant" gnus-summary-limit-exclude-dormant t]
2478 ["Next articles" gnus-summary-limit-to-articles t]
2479 ["Pop limit" gnus-summary-pop-limit t]
2480 ["Show dormant" gnus-summary-limit-include-dormant t]
2481 ["Hide childless dormant"
2482 gnus-summary-limit-exclude-childless-dormant t]
2483 ;;["Hide thread" gnus-summary-limit-exclude-thread t]
2484 ["Hide marked" gnus-summary-limit-exclude-marks t]
2485 ["Show expunged" gnus-summary-limit-include-expunged t])
2487 ["Set mark" gnus-summary-mark-as-processable t]
2488 ["Remove mark" gnus-summary-unmark-as-processable t]
2489 ["Remove all marks" gnus-summary-unmark-all-processable t]
2490 ["Invert marks" gnus-uu-invert-processable t]
2491 ["Mark above" gnus-uu-mark-over t]
2492 ["Mark series" gnus-uu-mark-series t]
2493 ["Mark region" gnus-uu-mark-region (gnus-mark-active-p)]
2494 ["Unmark region" gnus-uu-unmark-region (gnus-mark-active-p)]
2495 ["Mark by regexp..." gnus-uu-mark-by-regexp t]
2496 ["Unmark by regexp..." gnus-uu-unmark-by-regexp t]
2497 ["Mark all" gnus-uu-mark-all t]
2498 ["Mark buffer" gnus-uu-mark-buffer t]
2499 ["Mark sparse" gnus-uu-mark-sparse t]
2500 ["Mark thread" gnus-uu-mark-thread t]
2501 ["Unmark thread" gnus-uu-unmark-thread t]
2502 ("Process Mark Sets"
2503 ["Kill" gnus-summary-kill-process-mark t]
2504 ["Yank" gnus-summary-yank-process-mark
2505 gnus-newsgroup-process-stack]
2506 ["Save" gnus-summary-save-process-mark t]
2507 ["Run command on marked..." gnus-summary-universal-argument t]))
2509 ["Page forward" gnus-summary-next-page
2510 ,@(if (featurep 'xemacs) '(t)
2511 '(:help "Show next page of article"))]
2512 ["Page backward" gnus-summary-prev-page
2513 ,@(if (featurep 'xemacs) '(t)
2514 '(:help "Show previous page of article"))]
2515 ["Line forward" gnus-summary-scroll-up t])
2517 ["Next unread article" gnus-summary-next-unread-article t]
2518 ["Previous unread article" gnus-summary-prev-unread-article t]
2519 ["Next article" gnus-summary-next-article t]
2520 ["Previous article" gnus-summary-prev-article t]
2521 ["Next unread subject" gnus-summary-next-unread-subject t]
2522 ["Previous unread subject" gnus-summary-prev-unread-subject t]
2523 ["Next article same subject" gnus-summary-next-same-subject t]
2524 ["Previous article same subject" gnus-summary-prev-same-subject t]
2525 ["First unread article" gnus-summary-first-unread-article t]
2526 ["Best unread article" gnus-summary-best-unread-article t]
2527 ["Go to subject number..." gnus-summary-goto-subject t]
2528 ["Go to article number..." gnus-summary-goto-article t]
2529 ["Go to the last article" gnus-summary-goto-last-article t]
2530 ["Pop article off history" gnus-summary-pop-article t])
2532 ["Sort by number" gnus-summary-sort-by-number t]
2533 ["Sort by author" gnus-summary-sort-by-author t]
2534 ["Sort by subject" gnus-summary-sort-by-subject t]
2535 ["Sort by date" gnus-summary-sort-by-date t]
2536 ["Sort by score" gnus-summary-sort-by-score t]
2537 ["Sort by lines" gnus-summary-sort-by-lines t]
2538 ["Sort by characters" gnus-summary-sort-by-chars t]
2539 ["Randomize" gnus-summary-sort-by-random t]
2540 ["Original sort" gnus-summary-sort-by-original t])
2542 ["Fetch group FAQ" gnus-summary-fetch-faq t]
2543 ["Describe group" gnus-summary-describe-group t]
2544 ["Fetch charter" gnus-group-fetch-charter
2545 ,@(if (featurep 'xemacs) nil
2546 '(:help "Display the charter of the current group"))]
2547 ["Fetch control message" gnus-group-fetch-control
2548 ,@(if (featurep 'xemacs) nil
2549 '(:help "Display the archived control message for the current group"))]
2550 ["Read manual" gnus-info-find-node t])
2552 ["Pick and read" gnus-pick-mode t]
2553 ["Binary" gnus-binary-mode t])
2555 ["Regenerate" gnus-summary-prepare t]
2556 ["Insert cached articles" gnus-summary-insert-cached-articles t]
2557 ["Insert dormant articles" gnus-summary-insert-dormant-articles t]
2558 ["Toggle threading" gnus-summary-toggle-threads t])
2559 ["See old articles" gnus-summary-insert-old-articles t]
2560 ["See new articles" gnus-summary-insert-new-articles t]
2561 ["Filter articles..." gnus-summary-execute-command t]
2562 ["Run command on articles..." gnus-summary-universal-argument t]
2563 ["Search articles forward..." gnus-summary-search-article-forward t]
2564 ["Search articles backward..." gnus-summary-search-article-backward t]
2565 ["Toggle line truncation" gnus-summary-toggle-truncation t]
2566 ["Expand window" gnus-summary-expand-window t]
2567 ["Expire expirable articles" gnus-summary-expire-articles
2568 (gnus-check-backend-function
2569 'request-expire-articles gnus-newsgroup-name)]
2570 ["Edit local kill file" gnus-summary-edit-local-kill t]
2571 ["Edit main kill file" gnus-summary-edit-global-kill t]
2572 ["Edit group parameters" gnus-summary-edit-parameters t]
2573 ["Customize group parameters" gnus-summary-customize-parameters t]
2574 ["Send a bug report" gnus-bug t]
2576 ["Catchup and exit" gnus-summary-catchup-and-exit
2577 ,@(if (featurep 'xemacs) '(t)
2578 '(:help "Mark unread articles in this group as read, then exit"))]
2579 ["Catchup all and exit" gnus-summary-catchup-all-and-exit t]
2580 ["Catchup and goto next" gnus-summary-catchup-and-goto-next-group t]
2581 ["Exit group" gnus-summary-exit
2582 ,@(if (featurep 'xemacs) '(t)
2583 '(:help "Exit current group, return to group selection mode"))]
2584 ["Exit group without updating" gnus-summary-exit-no-update t]
2585 ["Exit and goto next group" gnus-summary-next-group t]
2586 ["Exit and goto prev group" gnus-summary-prev-group t]
2587 ["Reselect group" gnus-summary-reselect-current-group t]
2588 ["Rescan group" gnus-summary-rescan-group t]
2589 ["Update dribble" gnus-summary-save-newsrc t])))
2591 (gnus-run-hooks 'gnus-summary-menu-hook)))
2593 (defvar gnus-summary-tool-bar-map nil)
2595 ;; Emacs 21 tool bar. Should be no-op otherwise.
2596 (defun gnus-summary-make-tool-bar ()
2597 (if (and (fboundp 'tool-bar-add-item-from-menu)
2598 (default-value 'tool-bar-mode)
2599 (not gnus-summary-tool-bar-map))
2600 (setq gnus-summary-tool-bar-map
2601 (let ((tool-bar-map (make-sparse-keymap))
2602 (load-path (mm-image-load-path)))
2603 (tool-bar-add-item-from-menu
2604 'gnus-summary-prev-unread "prev-ur" gnus-summary-mode-map)
2605 (tool-bar-add-item-from-menu
2606 'gnus-summary-next-unread "next-ur" gnus-summary-mode-map)
2607 (tool-bar-add-item-from-menu
2608 'gnus-summary-post-news "post" gnus-summary-mode-map)
2609 (tool-bar-add-item-from-menu
2610 'gnus-summary-followup-with-original "fuwo" gnus-summary-mode-map)
2611 (tool-bar-add-item-from-menu
2612 'gnus-summary-followup "followup" gnus-summary-mode-map)
2613 (tool-bar-add-item-from-menu
2614 'gnus-summary-reply-with-original "reply-wo" gnus-summary-mode-map)
2615 (tool-bar-add-item-from-menu
2616 'gnus-summary-reply "reply" gnus-summary-mode-map)
2617 (tool-bar-add-item-from-menu
2618 'gnus-summary-caesar-message "rot13" gnus-summary-mode-map)
2619 (tool-bar-add-item-from-menu
2620 'gnus-uu-decode-uu "uu-decode" gnus-summary-mode-map)
2621 (tool-bar-add-item-from-menu
2622 'gnus-summary-save-article-file "save-aif" gnus-summary-mode-map)
2623 (tool-bar-add-item-from-menu
2624 'gnus-summary-save-article "save-art" gnus-summary-mode-map)
2625 (tool-bar-add-item-from-menu
2626 'gnus-uu-post-news "uu-post" gnus-summary-mode-map)
2627 (tool-bar-add-item-from-menu
2628 'gnus-uu-post-news "uu-post" gnus-summary-mode-map)
2629 (tool-bar-add-item-from-menu
2630 'gnus-summary-catchup "catchup" gnus-summary-mode-map)
2631 (tool-bar-add-item-from-menu
2632 'gnus-summary-catchup-and-exit "cu-exit" gnus-summary-mode-map)
2633 (tool-bar-add-item-from-menu
2634 'gnus-summary-exit "exit-summ" gnus-summary-mode-map)
2636 (if gnus-summary-tool-bar-map
2637 (set (make-local-variable 'tool-bar-map) gnus-summary-tool-bar-map)))
2639 (defun gnus-score-set-default (var value)
2640 "A version of set that updates the GNU Emacs menu-bar."
2642 ;; It is the message that forces the active status to be updated.
2645 (defun gnus-make-score-map (type)
2646 "Make a summary score map of type TYPE."
2649 (let ((headers '(("author" "from" string)
2650 ("subject" "subject" string)
2651 ("article body" "body" string)
2652 ("article head" "head" string)
2653 ("xref" "xref" string)
2654 ("extra header" "extra" string)
2655 ("lines" "lines" number)
2656 ("followups to author" "followup" string)))
2657 (types '((number ("less than" <)
2660 (string ("substring" s)
2664 (perms '(("temporary" (current-time-string))
2672 (if (eq type 'lower)
2677 (setq header (car headers))
2683 (let ((ts (cdr (assoc (nth 2 header) types)))
2699 'gnus-summary-score-entry
2701 (if (or (string= (nth 1 header)
2703 (string= (nth 1 header)
2706 (list 'gnus-summary-header
2708 (list 'quote (nth 1 (car ts)))
2709 (list 'gnus-score-delta-default
2716 (list (nreverse outp))))
2719 (list (nreverse outt))))
2721 (setq headers (cdr headers)))
2722 (list (nreverse outh))))))))
2726 (defun gnus-summary-mode (&optional group)
2727 "Major mode for reading articles.
2729 All normal editing commands are switched off.
2730 \\<gnus-summary-mode-map>
2731 Each line in this buffer represents one article. To read an
2732 article, you can, for instance, type `\\[gnus-summary-next-page]'. To move forwards
2733 and backwards while displaying articles, type `\\[gnus-summary-next-unread-article]' and `\\[gnus-summary-prev-unread-article]',
2736 You can also post articles and send mail from this buffer. To
2737 follow up an article, type `\\[gnus-summary-followup]'. To mail a reply to the author
2738 of an article, type `\\[gnus-summary-reply]'.
2740 There are approx. one gazillion commands you can execute in this
2741 buffer; read the info pages for more information (`\\[gnus-info-find-node]').
2743 The following commands are available:
2745 \\{gnus-summary-mode-map}"
2747 (kill-all-local-variables)
2748 (when (gnus-visual-p 'summary-menu 'menu)
2749 (gnus-summary-make-menu-bar)
2750 (gnus-summary-make-tool-bar))
2751 (gnus-summary-make-local-variables)
2752 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
2753 (gnus-summary-make-local-variables))
2754 (gnus-make-thread-indent-array)
2755 (gnus-simplify-mode-line)
2756 (setq major-mode 'gnus-summary-mode)
2757 (setq mode-name "Summary")
2758 (make-local-variable 'minor-mode-alist)
2759 (use-local-map gnus-summary-mode-map)
2760 (buffer-disable-undo)
2761 (setq buffer-read-only t ;Disable modification
2762 show-trailing-whitespace nil)
2763 (setq truncate-lines t)
2764 (setq selective-display t)
2765 (setq selective-display-ellipses t) ;Display `...'
2766 (gnus-summary-set-display-table)
2767 (gnus-set-default-directory)
2768 (setq gnus-newsgroup-name group)
2769 (make-local-variable 'gnus-summary-line-format)
2770 (make-local-variable 'gnus-summary-line-format-spec)
2771 (make-local-variable 'gnus-summary-dummy-line-format)
2772 (make-local-variable 'gnus-summary-dummy-line-format-spec)
2773 (make-local-variable 'gnus-summary-mark-positions)
2774 (gnus-make-local-hook 'pre-command-hook)
2775 (add-hook 'pre-command-hook 'gnus-set-global-variables nil t)
2776 (gnus-run-hooks 'gnus-summary-mode-hook)
2777 (turn-on-gnus-mailing-list-mode)
2778 (mm-enable-multibyte)
2779 (gnus-update-format-specifications nil 'summary 'summary-mode 'summary-dummy)
2780 (gnus-update-summary-mark-positions))
2782 (defun gnus-summary-make-local-variables ()
2783 "Make all the local summary buffer variables."
2785 (dolist (local gnus-summary-local-variables)
2788 (if (eq (cdr local) 'global)
2789 ;; Copy the global value of the variable.
2790 (setq global (symbol-value (car local)))
2791 ;; Use the value from the list.
2792 (setq global (eval (cdr local))))
2793 (set (make-local-variable (car local)) global))
2794 ;; Simple nil-valued local variable.
2795 (set (make-local-variable local) nil)))))
2797 (defun gnus-summary-clear-local-variables ()
2798 (let ((locals gnus-summary-local-variables))
2800 (if (consp (car locals))
2801 (and (vectorp (caar locals))
2802 (set (caar locals) nil))
2803 (and (vectorp (car locals))
2804 (set (car locals) nil)))
2805 (setq locals (cdr locals)))))
2807 ;; Summary data functions.
2809 (defmacro gnus-data-number (data)
2812 (defmacro gnus-data-set-number (data number)
2813 `(setcar ,data ,number))
2815 (defmacro gnus-data-mark (data)
2818 (defmacro gnus-data-set-mark (data mark)
2819 `(setcar (nthcdr 1 ,data) ,mark))
2821 (defmacro gnus-data-pos (data)
2824 (defmacro gnus-data-set-pos (data pos)
2825 `(setcar (nthcdr 2 ,data) ,pos))
2827 (defmacro gnus-data-header (data)
2830 (defmacro gnus-data-set-header (data header)
2831 `(setf (nth 3 ,data) ,header))
2833 (defmacro gnus-data-level (data)
2836 (defmacro gnus-data-unread-p (data)
2837 `(= (nth 1 ,data) gnus-unread-mark))
2839 (defmacro gnus-data-read-p (data)
2840 `(/= (nth 1 ,data) gnus-unread-mark))
2842 (defmacro gnus-data-pseudo-p (data)
2843 `(consp (nth 3 ,data)))
2845 (defmacro gnus-data-find (number)
2846 `(assq ,number gnus-newsgroup-data))
2848 (defmacro gnus-data-find-list (number &optional data)
2849 `(let ((bdata ,(or data 'gnus-newsgroup-data)))
2850 (memq (assq ,number bdata)
2853 (defmacro gnus-data-make (number mark pos header level)
2854 `(list ,number ,mark ,pos ,header ,level))
2856 (defun gnus-data-enter (after-article number mark pos header level offset)
2857 (let ((data (gnus-data-find-list after-article)))
2859 (error "No such article: %d" after-article))
2860 (setcdr data (cons (gnus-data-make number mark pos header level)
2862 (setq gnus-newsgroup-data-reverse nil)
2863 (gnus-data-update-list (cddr data) offset)))
2865 (defun gnus-data-enter-list (after-article list &optional offset)
2867 (let ((data (and after-article (gnus-data-find-list after-article)))
2871 (let ((odata gnus-newsgroup-data))
2872 (setq gnus-newsgroup-data (nconc list gnus-newsgroup-data))
2874 (gnus-data-update-list odata offset)))
2875 ;; Find the last element in the list to be spliced into the main
2877 (setq list (last list))
2880 (setcdr list gnus-newsgroup-data)
2881 (setq gnus-newsgroup-data ilist)
2883 (gnus-data-update-list (cdr list) offset)))
2884 (setcdr list (cdr data))
2887 (gnus-data-update-list (cdr list) offset))))
2888 (setq gnus-newsgroup-data-reverse nil))))
2890 (defun gnus-data-remove (article &optional offset)
2891 (let ((data gnus-newsgroup-data))
2892 (if (= (gnus-data-number (car data)) article)
2894 (setq gnus-newsgroup-data (cdr gnus-newsgroup-data)
2895 gnus-newsgroup-data-reverse nil)
2897 (gnus-data-update-list gnus-newsgroup-data offset)))
2899 (when (= (gnus-data-number (cadr data)) article)
2900 (setcdr data (cddr data))
2902 (gnus-data-update-list (cdr data) offset))
2904 gnus-newsgroup-data-reverse nil))
2905 (setq data (cdr data))))))
2907 (defmacro gnus-data-list (backward)
2909 (or gnus-newsgroup-data-reverse
2910 (setq gnus-newsgroup-data-reverse
2911 (reverse gnus-newsgroup-data)))
2912 gnus-newsgroup-data))
2914 (defun gnus-data-update-list (data offset)
2915 "Add OFFSET to the POS of all data entries in DATA."
2916 (setq gnus-newsgroup-data-reverse nil)
2918 (setcar (nthcdr 2 (car data)) (+ offset (nth 2 (car data))))
2919 (setq data (cdr data))))
2921 (defun gnus-summary-article-pseudo-p (article)
2922 "Say whether this article is a pseudo article or not."
2923 (not (vectorp (gnus-data-header (gnus-data-find article)))))
2925 (defmacro gnus-summary-article-sparse-p (article)
2926 "Say whether this article is a sparse article or not."
2927 `(memq ,article gnus-newsgroup-sparse))
2929 (defmacro gnus-summary-article-ancient-p (article)
2930 "Say whether this article is a sparse article or not."
2931 `(memq ,article gnus-newsgroup-ancient))
2933 (defun gnus-article-parent-p (number)
2934 "Say whether this article is a parent or not."
2935 (let ((data (gnus-data-find-list number)))
2936 (and (cdr data) ; There has to be an article after...
2937 (< (gnus-data-level (car data)) ; And it has to have a higher level.
2938 (gnus-data-level (nth 1 data))))))
2940 (defun gnus-article-children (number)
2941 "Return a list of all children to NUMBER."
2942 (let* ((data (gnus-data-find-list number))
2943 (level (gnus-data-level (car data)))
2945 (setq data (cdr data))
2947 (= (gnus-data-level (car data)) (1+ level)))
2948 (push (gnus-data-number (car data)) children)
2949 (setq data (cdr data)))
2952 (defmacro gnus-summary-skip-intangible ()
2953 "If the current article is intangible, then jump to a different article."
2954 '(let ((to (get-text-property (point) 'gnus-intangible)))
2955 (and to (gnus-summary-goto-subject to))))
2957 (defmacro gnus-summary-article-intangible-p ()
2958 "Say whether this article is intangible or not."
2959 '(get-text-property (point) 'gnus-intangible))
2961 (defun gnus-article-read-p (article)
2962 "Say whether ARTICLE is read or not."
2963 (not (or (memq article gnus-newsgroup-marked)
2964 (memq article gnus-newsgroup-spam-marked)
2965 (memq article gnus-newsgroup-unreads)
2966 (memq article gnus-newsgroup-unselected)
2967 (memq article gnus-newsgroup-dormant))))
2969 ;; Some summary mode macros.
2971 (defmacro gnus-summary-article-number ()
2972 "The article number of the article on the current line.
2973 If there isn't an article number here, then we return the current
2976 (gnus-summary-skip-intangible)
2977 (or (get-text-property (point) 'gnus-number)
2978 (gnus-summary-last-subject))))
2980 (defmacro gnus-summary-article-header (&optional number)
2981 "Return the header of article NUMBER."
2982 `(gnus-data-header (gnus-data-find
2983 ,(or number '(gnus-summary-article-number)))))
2985 (defmacro gnus-summary-thread-level (&optional number)
2986 "Return the level of thread that starts with article NUMBER."
2987 `(if (and (eq gnus-summary-make-false-root 'dummy)
2988 (get-text-property (point) 'gnus-intangible))
2990 (gnus-data-level (gnus-data-find
2991 ,(or number '(gnus-summary-article-number))))))
2993 (defmacro gnus-summary-article-mark (&optional number)
2994 "Return the mark of article NUMBER."
2995 `(gnus-data-mark (gnus-data-find
2996 ,(or number '(gnus-summary-article-number)))))
2998 (defmacro gnus-summary-article-pos (&optional number)
2999 "Return the position of the line of article NUMBER."
3000 `(gnus-data-pos (gnus-data-find
3001 ,(or number '(gnus-summary-article-number)))))
3003 (defalias 'gnus-summary-subject-string 'gnus-summary-article-subject)
3004 (defmacro gnus-summary-article-subject (&optional number)
3005 "Return current subject string or nil if nothing."
3008 `(gnus-data-header (assq ,number gnus-newsgroup-data))
3009 '(gnus-data-header (assq (gnus-summary-article-number)
3010 gnus-newsgroup-data)))))
3013 (mail-header-subject headers))))
3015 (defmacro gnus-summary-article-score (&optional number)
3016 "Return current article score."
3017 `(or (cdr (assq ,(or number '(gnus-summary-article-number))
3018 gnus-newsgroup-scored))
3019 gnus-summary-default-score 0))
3021 (defun gnus-summary-article-children (&optional number)
3022 "Return a list of article numbers that are children of article NUMBER."
3023 (let* ((data (gnus-data-find-list (or number (gnus-summary-article-number))))
3024 (level (gnus-data-level (car data)))
3026 (while (and (setq data (cdr data))
3027 (> (setq l (gnus-data-level (car data))) level))
3028 (and (= (1+ level) l)
3029 (push (gnus-data-number (car data))
3031 (nreverse children)))
3033 (defun gnus-summary-article-parent (&optional number)
3034 "Return the article number of the parent of article NUMBER."
3035 (let* ((data (gnus-data-find-list (or number (gnus-summary-article-number))
3036 (gnus-data-list t)))
3037 (level (gnus-data-level (car data))))
3039 () ; This is a root.
3040 ;; We search until we find an article with a level less than
3041 ;; this one. That function has to be the parent.
3042 (while (and (setq data (cdr data))
3043 (not (< (gnus-data-level (car data)) level))))
3044 (and data (gnus-data-number (car data))))))
3046 (defun gnus-unread-mark-p (mark)
3047 "Say whether MARK is the unread mark."
3048 (= mark gnus-unread-mark))
3050 (defun gnus-read-mark-p (mark)
3051 "Say whether MARK is one of the marks that mark as read.
3052 This is all marks except unread, ticked, dormant, and expirable."
3053 (not (or (= mark gnus-unread-mark)
3054 (= mark gnus-ticked-mark)
3055 (= mark gnus-spam-mark)
3056 (= mark gnus-dormant-mark)
3057 (= mark gnus-expirable-mark))))
3059 (defmacro gnus-article-mark (number)
3060 "Return the MARK of article NUMBER.
3061 This macro should only be used when computing the mark the \"first\"
3062 time; i.e., when generating the summary lines. After that,
3063 `gnus-summary-article-mark' should be used to examine the
3066 ((memq ,number gnus-newsgroup-unsendable) gnus-unsendable-mark)
3067 ((memq ,number gnus-newsgroup-downloadable) gnus-downloadable-mark)
3068 ((memq ,number gnus-newsgroup-unreads) gnus-unread-mark)
3069 ((memq ,number gnus-newsgroup-marked) gnus-ticked-mark)
3070 ((memq ,number gnus-newsgroup-spam-marked) gnus-spam-mark)
3071 ((memq ,number gnus-newsgroup-dormant) gnus-dormant-mark)
3072 ((memq ,number gnus-newsgroup-expirable) gnus-expirable-mark)
3073 (t (or (cdr (assq ,number gnus-newsgroup-reads))
3074 gnus-ancient-mark))))
3076 ;; Saving hidden threads.
3078 (defmacro gnus-save-hidden-threads (&rest forms)
3079 "Save hidden threads, eval FORMS, and restore the hidden threads."
3080 (let ((config (make-symbol "config")))
3081 `(let ((,config (gnus-hidden-threads-configuration)))
3085 (gnus-restore-hidden-threads-configuration ,config)))))
3086 (put 'gnus-save-hidden-threads 'lisp-indent-function 0)
3087 (put 'gnus-save-hidden-threads 'edebug-form-spec '(body))
3089 (defun gnus-data-compute-positions ()
3090 "Compute the positions of all articles."
3091 (setq gnus-newsgroup-data-reverse nil)
3092 (let ((data gnus-newsgroup-data))
3094 (gnus-save-hidden-threads
3095 (gnus-summary-show-all-threads)
3096 (goto-char (point-min))
3098 (while (get-text-property (point) 'gnus-intangible)
3100 (gnus-data-set-pos (car data) (+ (point) 3))
3101 (setq data (cdr data))
3102 (forward-line 1))))))
3104 (defun gnus-hidden-threads-configuration ()
3105 "Return the current hidden threads configuration."
3108 (goto-char (point-min))
3109 (while (search-forward "\r" nil t)
3110 (push (1- (point)) config))
3113 (defun gnus-restore-hidden-threads-configuration (config)
3114 "Restore hidden threads configuration from CONFIG."
3116 (let (point buffer-read-only)
3117 (while (setq point (pop config))
3118 (when (and (< point (point-max))
3120 (eq (char-after) ?\n))
3121 (subst-char-in-region point (1+ point) ?\n ?\r))))))
3123 ;; Various summary mode internalish functions.
3125 (defun gnus-mouse-pick-article (e)
3128 (gnus-summary-next-page nil t))
3130 (defun gnus-summary-set-display-table ()
3131 "Change the display table.
3132 Odd characters have a tendency to mess
3133 up nicely formatted displays - we make all possible glyphs
3134 display only a single character."
3136 ;; We start from the standard display table, if any.
3137 (let ((table (or (copy-sequence standard-display-table)
3138 (make-display-table)))
3140 ;; Nix out all the control chars...
3141 (while (>= (setq i (1- i)) 0)
3142 (aset table i [??]))
3143 ;; ... but not newline and cr, of course. (cr is necessary for the
3144 ;; selective display).
3145 (aset table ?\n nil)
3146 (aset table ?\r nil)
3147 ;; We keep TAB as well.
3148 (aset table ?\t nil)
3149 ;; We nix out any glyphs over 126 that are not set already.
3151 (while (>= (setq i (1- i)) 127)
3152 ;; Only modify if the entry is nil.
3153 (unless (aref table i)
3154 (aset table i [??]))))
3155 (setq buffer-display-table table)))
3157 (defun gnus-summary-set-article-display-arrow (pos)
3158 "Update the overlay arrow to point to line at position POS."
3159 (when (and gnus-summary-display-arrow
3160 (boundp 'overlay-arrow-position)
3161 (boundp 'overlay-arrow-string))
3165 (unless overlay-arrow-position
3166 (setq overlay-arrow-position (make-marker)))
3167 (setq overlay-arrow-string "=>"
3168 overlay-arrow-position (set-marker overlay-arrow-position
3170 (current-buffer))))))
3172 (defun gnus-summary-setup-buffer (group)
3173 "Initialize summary buffer."
3174 (let ((buffer (gnus-summary-buffer-name group))
3175 (dead-name (concat "*Dead Summary "
3176 (gnus-group-decoded-name group) "*")))
3177 ;; If a dead summary buffer exists, we kill it.
3178 (when (gnus-buffer-live-p dead-name)
3179 (gnus-kill-buffer dead-name))
3180 (if (get-buffer buffer)
3183 (setq gnus-summary-buffer (current-buffer))
3184 (not gnus-newsgroup-prepared))
3185 ;; Fix by Sudish Joseph <joseph@cis.ohio-state.edu>
3186 (setq gnus-summary-buffer (set-buffer (gnus-get-buffer-create buffer)))
3187 (gnus-summary-mode group)
3189 (gnus-carpal-setup-buffer 'summary))
3190 (unless gnus-single-article-buffer
3191 (make-local-variable 'gnus-article-buffer)
3192 (make-local-variable 'gnus-article-current)
3193 (make-local-variable 'gnus-original-article-buffer))
3194 (setq gnus-newsgroup-name group)
3195 ;; Set any local variables in the group parameters.
3196 (gnus-summary-set-local-parameters gnus-newsgroup-name)
3199 (defun gnus-set-global-variables ()
3200 "Set the global equivalents of the buffer-local variables.
3201 They are set to the latest values they had. These reflect the summary
3202 buffer that was in action when the last article was fetched."
3203 (when (eq major-mode 'gnus-summary-mode)
3204 (setq gnus-summary-buffer (current-buffer))
3205 (let ((name gnus-newsgroup-name)
3206 (marked gnus-newsgroup-marked)
3207 (spam gnus-newsgroup-spam-marked)
3208 (unread gnus-newsgroup-unreads)
3209 (headers gnus-current-headers)
3210 (data gnus-newsgroup-data)
3211 (summary gnus-summary-buffer)
3212 (article-buffer gnus-article-buffer)
3213 (original gnus-original-article-buffer)
3214 (gac gnus-article-current)
3215 (reffed gnus-reffed-article-number)
3216 (score-file gnus-current-score-file)
3217 (default-charset gnus-newsgroup-charset)
3219 (let ((locals gnus-newsgroup-variables))
3221 (if (consp (car locals))
3222 (push (eval (caar locals)) vlist)
3223 (push (eval (car locals)) vlist))
3224 (setq locals (cdr locals)))
3225 (setq vlist (nreverse vlist)))
3226 (with-current-buffer gnus-group-buffer
3227 (setq gnus-newsgroup-name name
3228 gnus-newsgroup-marked marked
3229 gnus-newsgroup-spam-marked spam
3230 gnus-newsgroup-unreads unread
3231 gnus-current-headers headers
3232 gnus-newsgroup-data data
3233 gnus-article-current gac
3234 gnus-summary-buffer summary
3235 gnus-article-buffer article-buffer
3236 gnus-original-article-buffer original
3237 gnus-reffed-article-number reffed
3238 gnus-current-score-file score-file
3239 gnus-newsgroup-charset default-charset)
3240 (let ((locals gnus-newsgroup-variables))
3242 (if (consp (car locals))
3243 (set (caar locals) (pop vlist))
3244 (set (car locals) (pop vlist)))
3245 (setq locals (cdr locals))))
3246 ;; The article buffer also has local variables.
3247 (when (gnus-buffer-live-p gnus-article-buffer)
3248 (set-buffer gnus-article-buffer)
3249 (setq gnus-summary-buffer summary))))))
3251 (defun gnus-summary-article-unread-p (article)
3252 "Say whether ARTICLE is unread or not."
3253 (memq article gnus-newsgroup-unreads))
3255 (defun gnus-summary-first-article-p (&optional article)
3256 "Return whether ARTICLE is the first article in the buffer."
3257 (if (not (setq article (or article (gnus-summary-article-number))))
3259 (eq article (caar gnus-newsgroup-data))))
3261 (defun gnus-summary-last-article-p (&optional article)
3262 "Return whether ARTICLE is the last article in the buffer."
3263 (if (not (setq article (or article (gnus-summary-article-number))))
3264 ;; All non-existent numbers are the last article. :-)
3266 (not (cdr (gnus-data-find-list article)))))
3268 (defun gnus-make-thread-indent-array ()
3270 (unless (and gnus-thread-indent-array
3271 (= gnus-thread-indent-level gnus-thread-indent-array-level))
3272 (setq gnus-thread-indent-array (make-vector 201 "")
3273 gnus-thread-indent-array-level gnus-thread-indent-level)
3275 (aset gnus-thread-indent-array n
3276 (make-string (* n gnus-thread-indent-level) ? ))
3279 (defun gnus-update-summary-mark-positions ()
3280 "Compute where the summary marks are to go."
3282 (when (gnus-buffer-exists-p gnus-summary-buffer)
3283 (set-buffer gnus-summary-buffer))
3284 (let ((gnus-replied-mark 129)
3285 (gnus-score-below-mark 130)
3286 (gnus-score-over-mark 130)
3287 (gnus-undownloaded-mark 131)
3288 (spec gnus-summary-line-format-spec)
3291 (gnus-set-work-buffer)
3292 (let ((gnus-summary-line-format-spec spec)
3293 (gnus-newsgroup-downloadable '(0)))
3294 (gnus-summary-insert-line
3295 [0 "" "" "05 Apr 2001 23:33:09 +0400" "" "" 0 0 "" nil]
3296 0 nil t 128 t nil "" nil 1)
3297 (goto-char (point-min))
3298 (setq pos (list (cons 'unread
3299 (and (search-forward
3300 (string-as-multibyte "\200") nil t)
3301 (- (point) (point-min) 1)))))
3302 (goto-char (point-min))
3303 (push (cons 'replied (and (search-forward
3304 (string-as-multibyte "\201") nil t)
3305 (- (point) (point-min) 1)))
3307 (goto-char (point-min))
3308 (push (cons 'score (and (search-forward
3309 (string-as-multibyte "\202") nil t)
3310 (- (point) (point-min) 1)))
3312 (goto-char (point-min))
3313 (push (cons 'download (and (search-forward
3314 (string-as-multibyte "\203") nil t)
3315 (- (point) (point-min) 1)))
3317 (setq gnus-summary-mark-positions pos))))
3319 (defun gnus-summary-insert-dummy-line (gnus-tmp-subject gnus-tmp-number)
3320 "Insert a dummy root in the summary buffer."
3322 (gnus-add-text-properties
3323 (point) (progn (eval gnus-summary-dummy-line-format-spec) (point))
3324 (list 'gnus-number gnus-tmp-number 'gnus-intangible gnus-tmp-number)))
3326 (defun gnus-summary-extract-address-component (from)
3327 (or (car (funcall gnus-extract-address-components from))
3330 (defun gnus-summary-from-or-to-or-newsgroups (header gnus-tmp-from)
3331 (let ((mail-parse-charset gnus-newsgroup-charset)
3332 ; Is it really necessary to do this next part for each summary line?
3333 ; Luckily, doesn't seem to slow things down much.
3334 (mail-parse-ignored-charsets
3335 (with-current-buffer gnus-summary-buffer
3336 gnus-newsgroup-ignored-charsets)))
3338 (and gnus-ignored-from-addresses
3339 (string-match gnus-ignored-from-addresses gnus-tmp-from)
3340 (let ((extra-headers (mail-header-extra header))
3344 ((setq to (cdr (assq 'To extra-headers)))
3347 (gnus-summary-extract-address-component
3348 (funcall gnus-decode-encoded-word-function to)))))
3349 ((setq newsgroups (cdr (assq 'Newsgroups extra-headers)))
3350 (concat "=> " newsgroups)))))
3351 (inline (gnus-summary-extract-address-component gnus-tmp-from)))))
3353 (defun gnus-summary-insert-line (gnus-tmp-header
3354 gnus-tmp-level gnus-tmp-current
3355 undownloaded gnus-tmp-unread gnus-tmp-replied
3356 gnus-tmp-expirable gnus-tmp-subject-or-nil
3357 &optional gnus-tmp-dummy gnus-tmp-score
3359 (let* ((gnus-tmp-indentation (aref gnus-thread-indent-array gnus-tmp-level))
3360 (gnus-tmp-lines (mail-header-lines gnus-tmp-header))
3361 (gnus-tmp-score (or gnus-tmp-score gnus-summary-default-score 0))
3362 (gnus-tmp-score-char
3363 (if (or (null gnus-summary-default-score)
3364 (<= (abs (- gnus-tmp-score gnus-summary-default-score))
3365 gnus-summary-zcore-fuzz))
3367 (if (< gnus-tmp-score gnus-summary-default-score)
3368 gnus-score-below-mark gnus-score-over-mark)))
3369 (gnus-tmp-number (mail-header-number gnus-tmp-header))
3371 (cond (gnus-tmp-process gnus-process-mark)
3372 ((memq gnus-tmp-current gnus-newsgroup-cached)
3374 (gnus-tmp-replied gnus-replied-mark)
3375 ((memq gnus-tmp-current gnus-newsgroup-forwarded)
3376 gnus-forwarded-mark)
3377 ((memq gnus-tmp-current gnus-newsgroup-saved)
3379 ((memq gnus-tmp-number gnus-newsgroup-recent)
3381 ((memq gnus-tmp-number gnus-newsgroup-unseen)
3384 (gnus-tmp-downloaded
3386 gnus-undownloaded-mark)
3387 (gnus-newsgroup-agentized
3388 gnus-downloaded-mark)
3391 (gnus-tmp-from (mail-header-from gnus-tmp-header))
3394 ((string-match "<[^>]+> *$" gnus-tmp-from)
3395 (let ((beg (match-beginning 0)))
3396 (or (and (string-match "^\".+\"" gnus-tmp-from)
3397 (substring gnus-tmp-from 1 (1- (match-end 0))))
3398 (substring gnus-tmp-from 0 beg))))
3399 ((string-match "(.+)" gnus-tmp-from)
3400 (substring gnus-tmp-from
3401 (1+ (match-beginning 0)) (1- (match-end 0))))
3403 (gnus-tmp-subject (mail-header-subject gnus-tmp-header))
3404 (gnus-tmp-opening-bracket (if gnus-tmp-dummy ?\< ?\[))
3405 (gnus-tmp-closing-bracket (if gnus-tmp-dummy ?\> ?\]))
3406 (buffer-read-only nil))
3407 (when (string= gnus-tmp-name "")
3408 (setq gnus-tmp-name gnus-tmp-from))
3409 (unless (numberp gnus-tmp-lines)
3410 (setq gnus-tmp-lines -1))
3411 (if (= gnus-tmp-lines -1)
3412 (setq gnus-tmp-lines "?")
3413 (setq gnus-tmp-lines (number-to-string gnus-tmp-lines)))
3414 (gnus-put-text-property
3416 (progn (eval gnus-summary-line-format-spec) (point))
3417 'gnus-number gnus-tmp-number)
3418 (when (gnus-visual-p 'summary-highlight 'highlight)
3420 (gnus-run-hooks 'gnus-summary-update-hook)
3423 (defun gnus-summary-update-line (&optional dont-update)
3424 "Update summary line after change."
3425 (when (and gnus-summary-default-score
3426 (not gnus-summary-inhibit-highlight))
3427 (let* ((gnus-summary-inhibit-highlight t) ; Prevent recursion.
3428 (article (gnus-summary-article-number))
3429 (score (gnus-summary-article-score article)))
3431 (if (and gnus-summary-mark-below
3432 (< (gnus-summary-article-score)
3433 gnus-summary-mark-below))
3434 ;; This article has a low score, so we mark it as read.
3435 (when (memq article gnus-newsgroup-unreads)
3436 (gnus-summary-mark-article-as-read gnus-low-score-mark))
3437 (when (eq (gnus-summary-article-mark) gnus-low-score-mark)
3438 ;; This article was previously marked as read on account
3439 ;; of a low score, but now it has risen, so we mark it as
3441 (gnus-summary-mark-article-as-unread gnus-unread-mark)))
3442 (gnus-summary-update-mark
3443 (if (or (null gnus-summary-default-score)
3444 (<= (abs (- score gnus-summary-default-score))
3445 gnus-summary-zcore-fuzz))
3447 (if (< score gnus-summary-default-score)
3448 gnus-score-below-mark gnus-score-over-mark))
3450 ;; Do visual highlighting.
3451 (when (gnus-visual-p 'summary-highlight 'highlight)
3452 (gnus-run-hooks 'gnus-summary-update-hook)))))
3454 (defvar gnus-tmp-new-adopts nil)
3456 (defun gnus-summary-number-of-articles-in-thread (thread &optional level char)
3457 "Return the number of articles in THREAD.
3458 This may be 0 in some cases -- if none of the articles in
3459 the thread are to be displayed."
3461 ;; Fix by Luc Van Eycken <Luc.VanEycken@esat.kuleuven.ac.be>.
3463 ((not (listp thread))
3465 ((and (consp thread) (cdr thread))
3468 'gnus-summary-number-of-articles-in-thread (cdr thread))))
3471 ((memq (mail-header-number (car thread)) gnus-newsgroup-limit)
3474 (when (and level (zerop level) gnus-tmp-new-adopts)
3477 'gnus-summary-number-of-articles-in-thread
3478 gnus-tmp-new-adopts))))
3480 (if (> number 1) gnus-not-empty-thread-mark
3481 gnus-empty-thread-mark)
3484 (defsubst gnus-summary-line-message-size (head)
3485 "Return pretty-printed version of message size.
3486 This function is intended to be used in
3487 `gnus-summary-line-format-alist'."
3488 (let ((c (or (mail-header-chars head) -1)))
3489 (cond ((< c 0) "n/a") ; chars not available
3490 ((< c (* 1000 10)) (format "%1.1fk" (/ c 1024.0)))
3491 ((< c (* 1000 100)) (format "%dk" (/ c 1024.0)))
3492 ((< c (* 1000 10000)) (format "%1.1fM" (/ c (* 1024.0 1024))))
3493 (t (format "%dM" (/ c (* 1024.0 1024)))))))
3496 (defun gnus-summary-set-local-parameters (group)
3497 "Go through the local params of GROUP and set all variable specs in that list."
3498 (let ((vars '(quit-config))) ; Ignore quit-config.
3499 (dolist (elem (gnus-group-find-parameter group))
3500 (and (consp elem) ; Has to be a cons.
3501 (consp (cdr elem)) ; The cdr has to be a list.
3502 (symbolp (car elem)) ; Has to be a symbol in there.
3503 (not (memq (car elem) vars))
3504 (ignore-errors ; So we set it.
3505 (push (car elem) vars)
3506 (make-local-variable (car elem))
3507 (set (car elem) (eval (nth 1 elem))))))))
3509 (defun gnus-summary-read-group (group &optional show-all no-article
3510 kill-buffer no-display backward
3512 "Start reading news in newsgroup GROUP.
3513 If SHOW-ALL is non-nil, already read articles are also listed.
3514 If NO-ARTICLE is non-nil, no article is selected initially.
3515 If NO-DISPLAY, don't generate a summary buffer."
3519 (let ((gnus-auto-select-next nil))
3520 (or (gnus-summary-read-group-1
3521 group show-all no-article
3522 kill-buffer no-display
3525 select-articles nil)))))
3526 (eq gnus-auto-select-next 'quietly))
3527 (set-buffer gnus-group-buffer)
3528 ;; The entry function called above goes to the next
3529 ;; group automatically, so we go two groups back
3530 ;; if we are searching for the previous group.
3532 (gnus-group-prev-unread-group 2))
3533 (if (not (equal group (gnus-group-group-name)))
3534 (setq group (gnus-group-group-name))
3538 (defun gnus-summary-read-group-1 (group show-all no-article
3539 kill-buffer no-display
3540 &optional select-articles)
3541 ;; Killed foreign groups can't be entered.
3542 ;; (when (and (not (gnus-group-native-p group))
3543 ;; (not (gnus-gethash group gnus-newsrc-hashtb)))
3544 ;; (error "Dead non-native groups can't be entered"))
3545 (gnus-message 5 "Retrieving newsgroup: %s..."
3546 (gnus-group-decoded-name group))
3547 (let* ((new-group (gnus-summary-setup-buffer group))
3548 (quit-config (gnus-group-quit-config group))
3549 (did-select (and new-group (gnus-select-newsgroup
3550 group show-all select-articles))))
3552 ;; This summary buffer exists already, so we just select it.
3554 (gnus-set-global-variables)
3556 (gnus-kill-or-deaden-summary kill-buffer))
3557 (gnus-configure-windows 'summary 'force)
3558 (gnus-set-mode-line 'summary)
3559 (gnus-summary-position-point)
3562 ;; We couldn't select this group.
3564 (when (and (eq major-mode 'gnus-summary-mode)
3565 (not (equal (current-buffer) kill-buffer)))
3566 (kill-buffer (current-buffer))
3567 (if (not quit-config)
3569 ;; Update the info -- marks might need to be removed,
3571 (gnus-summary-update-info)
3572 (set-buffer gnus-group-buffer)
3573 (gnus-group-jump-to-group group)
3574 (gnus-group-next-unread-group 1))
3575 (gnus-handle-ephemeral-exit quit-config)))
3576 (let ((grpinfo (gnus-get-info group)))
3577 (if (null (gnus-info-read grpinfo))
3578 (gnus-message 3 "Group %s contains no messages"
3579 (gnus-group-decoded-name group))
3580 (gnus-message 3 "Can't select group")))
3582 ;; The user did a `C-g' while prompting for number of articles,
3583 ;; so we exit this group.
3584 ((eq did-select 'quit)
3585 (and (eq major-mode 'gnus-summary-mode)
3586 (not (equal (current-buffer) kill-buffer))
3587 (kill-buffer (current-buffer)))
3589 (gnus-kill-or-deaden-summary kill-buffer))
3590 (if (not quit-config)
3592 (set-buffer gnus-group-buffer)
3593 (gnus-group-jump-to-group group)
3594 (gnus-group-next-unread-group 1)
3595 (gnus-configure-windows 'group 'force))
3596 (gnus-handle-ephemeral-exit quit-config))
3597 ;; Finally signal the quit.
3599 ;; The group was successfully selected.
3601 (gnus-set-global-variables)
3602 ;; Save the active value in effect when the group was entered.
3603 (setq gnus-newsgroup-active
3605 (gnus-active gnus-newsgroup-name)))
3606 ;; You can change the summary buffer in some way with this hook.
3607 (gnus-run-hooks 'gnus-select-group-hook)
3608 (gnus-update-format-specifications
3609 nil 'summary 'summary-mode 'summary-dummy)
3610 (gnus-update-summary-mark-positions)
3611 ;; Do score processing.
3612 (when gnus-use-scoring
3613 (gnus-possibly-score-headers))
3614 ;; Check whether to fill in the gaps in the threads.
3615 (when gnus-build-sparse-threads
3616 (gnus-build-sparse-threads))
3617 ;; Find the initial limit.
3619 (let ((gnus-newsgroup-dormant nil))
3620 (gnus-summary-initial-limit show-all))
3621 (gnus-summary-initial-limit show-all))
3622 ;; Generate the summary buffer.
3624 (gnus-summary-prepare))
3625 (when gnus-use-trees
3626 (gnus-tree-open group)
3627 (setq gnus-summary-highlight-line-function
3628 'gnus-tree-highlight-article))
3629 ;; If the summary buffer is empty, but there are some low-scored
3630 ;; articles or some excluded dormants, we include these in the
3632 (when (and (zerop (buffer-size))
3634 (cond (gnus-newsgroup-dormant
3635 (gnus-summary-limit-include-dormant))
3636 ((and gnus-newsgroup-scored show-all)
3637 (gnus-summary-limit-include-expunged t))))
3638 ;; Function `gnus-apply-kill-file' must be called in this hook.
3639 (gnus-run-hooks 'gnus-apply-kill-hook)
3640 (if (and (zerop (buffer-size))
3643 ;; This newsgroup is empty.
3644 (gnus-summary-catchup-and-exit nil t)
3645 (gnus-message 6 "No unread news")
3647 (gnus-kill-or-deaden-summary kill-buffer))
3648 ;; Return nil from this function.
3650 ;; Hide conversation thread subtrees. We cannot do this in
3651 ;; gnus-summary-prepare-hook since kill processing may not
3652 ;; work with hidden articles.
3653 (gnus-summary-maybe-hide-threads)
3655 (gnus-kill-or-deaden-summary kill-buffer))
3656 (gnus-summary-auto-select-subject)
3657 ;; Show first unread article if requested.
3658 (if (and (not no-article)
3660 gnus-newsgroup-unreads
3661 gnus-auto-select-first)
3663 (gnus-configure-windows 'summary)
3664 (let ((art (gnus-summary-article-number)))
3665 (unless (and (not gnus-plugged)
3666 (or (memq art gnus-newsgroup-undownloaded)
3667 (memq art gnus-newsgroup-downloadable)))
3668 (gnus-summary-goto-article art))))
3669 ;; Don't select any articles.
3670 (gnus-summary-position-point)
3671 (gnus-configure-windows 'summary 'force)
3672 (gnus-set-mode-line 'summary))
3673 (when (and gnus-auto-center-group
3674 (get-buffer-window gnus-group-buffer t))
3675 ;; Gotta use windows, because recenter does weird stuff if
3676 ;; the current buffer ain't the displayed window.
3677 (let ((owin (selected-window)))
3678 (select-window (get-buffer-window gnus-group-buffer t))
3679 (when (gnus-group-goto-group group)
3681 (select-window owin)))
3682 ;; Mark this buffer as "prepared".
3683 (setq gnus-newsgroup-prepared t)
3684 (gnus-run-hooks 'gnus-summary-prepared-hook)
3685 (unless (gnus-ephemeral-group-p group)
3686 (gnus-group-update-group group))
3689 (defun gnus-summary-auto-select-subject ()
3690 "Select the subject line on initial group entry."
3691 (goto-char (point-min))
3693 ((eq gnus-auto-select-subject 'best)
3694 (gnus-summary-best-unread-subject))
3695 ((eq gnus-auto-select-subject 'unread)
3696 (gnus-summary-first-unread-subject))
3697 ((eq gnus-auto-select-subject 'unseen)
3698 (gnus-summary-first-unseen-subject))
3699 ((eq gnus-auto-select-subject 'unseen-or-unread)
3700 (gnus-summary-first-unseen-or-unread-subject))
3701 ((eq gnus-auto-select-subject 'first)
3704 ((functionp gnus-auto-select-subject)
3705 (funcall gnus-auto-select-subject))))
3707 (defun gnus-summary-prepare ()
3708 "Generate the summary buffer."
3710 (let ((buffer-read-only nil))
3712 (setq gnus-newsgroup-data nil
3713 gnus-newsgroup-data-reverse nil)
3714 (gnus-run-hooks 'gnus-summary-generate-hook)
3715 ;; Generate the buffer, either with threads or without.
3716 (when gnus-newsgroup-headers
3717 (gnus-summary-prepare-threads
3718 (if gnus-show-threads
3719 (gnus-sort-gathered-threads
3720 (funcall gnus-summary-thread-gathering-function
3722 (gnus-cut-threads (gnus-make-threads)))))
3723 ;; Unthreaded display.
3724 (gnus-sort-articles gnus-newsgroup-headers))))
3725 (setq gnus-newsgroup-data (nreverse gnus-newsgroup-data))
3726 ;; Call hooks for modifying summary buffer.
3727 (goto-char (point-min))
3728 (gnus-run-hooks 'gnus-summary-prepare-hook)))
3730 (defsubst gnus-general-simplify-subject (subject)
3731 "Simplify subject by the same rules as `gnus-gather-threads-by-subject'."
3734 ;; Truncate the subject.
3735 (gnus-simplify-subject-functions
3736 (gnus-map-function gnus-simplify-subject-functions subject))
3737 ((numberp gnus-summary-gather-subject-limit)
3738 (setq subject (gnus-simplify-subject-re subject))
3739 (if (> (length subject) gnus-summary-gather-subject-limit)
3740 (substring subject 0 gnus-summary-gather-subject-limit)
3742 ;; Fuzzily simplify it.
3743 ((eq 'fuzzy gnus-summary-gather-subject-limit)
3744 (gnus-simplify-subject-fuzzy subject))
3745 ;; Just remove the leading "Re:".
3747 (gnus-simplify-subject-re subject))))
3749 (if (and gnus-summary-gather-exclude-subject
3750 (string-match gnus-summary-gather-exclude-subject subject))
3751 nil ; This article shouldn't be gathered
3754 (defun gnus-summary-simplify-subject-query ()
3755 "Query where the respool algorithm would put this article."
3757 (gnus-summary-select-article)
3758 (message (gnus-general-simplify-subject (gnus-summary-article-subject))))
3760 (defun gnus-gather-threads-by-subject (threads)
3761 "Gather threads by looking at Subject headers."
3762 (if (not gnus-summary-make-false-root)
3764 (let ((hashtb (gnus-make-hashtable 1024))
3767 subject hthread whole-subject)
3769 (setq subject (gnus-general-simplify-subject
3770 (setq whole-subject (mail-header-subject
3773 (if (setq hthread (gnus-gethash subject hashtb))
3775 ;; We enter a dummy root into the thread, if we
3776 ;; haven't done that already.
3777 (unless (stringp (caar hthread))
3778 (setcar hthread (list whole-subject (car hthread))))
3779 ;; We add this new gathered thread to this gathered
3781 (setcdr (car hthread)
3782 (nconc (cdar hthread) (list (car threads))))
3783 ;; Remove it from the list of threads.
3784 (setcdr prev (cdr threads))
3785 (setq threads prev))
3786 ;; Enter this thread into the hash table.
3787 (gnus-sethash subject
3788 (if gnus-summary-make-false-root-always
3790 ;; If you want a dummy root above all
3792 (setcar threads (list whole-subject
3798 (setq threads (cdr threads)))
3801 (defun gnus-gather-threads-by-references (threads)
3802 "Gather threads by looking at References headers."
3803 (let ((idhashtb (gnus-make-hashtable 1024))
3804 (thhashtb (gnus-make-hashtable 1024))
3807 ids references id gthread gid entered ref)
3809 (when (setq references (mail-header-references (caar threads)))
3810 (setq id (mail-header-id (caar threads))
3811 ids (inline (gnus-split-references references))
3813 (while (setq ref (pop ids))
3814 (setq ids (delete ref ids))
3815 (if (not (setq gid (gnus-gethash ref idhashtb)))
3817 (gnus-sethash ref id idhashtb)
3818 (gnus-sethash id threads thhashtb))
3819 (setq gthread (gnus-gethash gid thhashtb))
3821 ;; We enter a dummy root into the thread, if we
3822 ;; haven't done that already.
3823 (unless (stringp (caar gthread))
3824 (setcar gthread (list (mail-header-subject (caar gthread))
3826 ;; We add this new gathered thread to this gathered
3828 (setcdr (car gthread)
3829 (nconc (cdar gthread) (list (car threads)))))
3830 ;; Add it into the thread hash table.
3831 (gnus-sethash id gthread thhashtb)
3833 ;; Remove it from the list of threads.
3834 (setcdr prev (cdr threads))
3835 (setq threads prev))))
3837 (setq threads (cdr threads)))
3840 (defun gnus-sort-gathered-threads (threads)
3841 "Sort subtreads inside each gathered thread by `gnus-sort-gathered-threads-function'."
3842 (let ((result threads))
3844 (when (stringp (caar threads))
3845 (setcdr (car threads)
3846 (sort (cdar threads) gnus-sort-gathered-threads-function)))
3847 (setq threads (cdr threads)))
3850 (defun gnus-thread-loop-p (root thread)
3851 "Say whether ROOT is in THREAD."
3852 (let ((stack (list thread))
3855 (while (setq thread (pop stack))
3856 (setq th (cdr thread))
3858 (not (eq (caar th) root)))
3861 ;; We have found a loop.
3863 (setcdr thread (delq (car th) (cdr thread)))
3864 (if (boundp (setq ref-dep (intern "none"
3865 gnus-newsgroup-dependencies)))
3866 (setcdr (symbol-value ref-dep)
3867 (nconc (cdr (symbol-value ref-dep))
3869 (set ref-dep (list nil (car th))))
3872 ;; Push all the subthreads onto the stack.
3873 (push (cdr thread) stack)))
3876 (defun gnus-make-threads ()
3877 "Go through the dependency hashtb and find the roots. Return all threads."
3879 (while (catch 'infloop
3882 ;; Deal with self-referencing References loops.
3883 (when (and (car (symbol-value refs))
3890 (car (symbol-value refs)) thread))
3891 (cdr (symbol-value refs)))))))
3894 (unless (car (symbol-value refs))
3895 ;; These threads do not refer back to any other
3896 ;; articles, so they're roots.
3897 (setq threads (append (cdr (symbol-value refs)) threads))))
3898 gnus-newsgroup-dependencies)))
3901 ;; Build the thread tree.
3902 (defsubst gnus-dependencies-add-header (header dependencies force-new)
3903 "Enter HEADER into the DEPENDENCIES table if it is not already there.
3905 If FORCE-NEW is not nil, enter HEADER into the DEPENDENCIES table even
3906 if it was already present.
3908 If `gnus-summary-ignore-duplicates' is nil then duplicate Message-IDs
3909 will not be entered in the DEPENDENCIES table. Otherwise duplicate
3910 Message-IDs will be renamed to a unique Message-ID before being
3913 Returns HEADER if it was entered in the DEPENDENCIES. Returns nil otherwise."
3914 (let* ((id (mail-header-id header))
3915 (id-dep (and id (intern id dependencies)))
3916 parent-id ref ref-dep ref-header replaced)
3917 ;; Enter this `header' in the `dependencies' table.
3921 ;; The first two cases do the normal part: enter a new `header'
3922 ;; in the `dependencies' table.
3923 ((not (boundp id-dep))
3924 (set id-dep (list header)))
3925 ((null (car (symbol-value id-dep)))
3926 (setcar (symbol-value id-dep) header))
3928 ;; From here the `header' was already present in the
3929 ;; `dependencies' table.
3931 ;; Overrides an existing entry;
3932 ;; just set the header part of the entry.
3933 (setcar (symbol-value id-dep) header)
3936 ;; Renames the existing `header' to a unique Message-ID.
3937 ((not gnus-summary-ignore-duplicates)
3938 ;; An article with this Message-ID has already been seen.
3939 ;; We rename the Message-ID.
3940 (set (setq id-dep (intern (setq id (nnmail-message-id)) dependencies))
3942 (mail-header-set-id header id))
3944 ;; The last case ignores an existing entry, except it adds any
3945 ;; additional Xrefs (in case the two articles came from different
3947 ;; Also sets `header' to `nil' meaning that the `dependencies'
3948 ;; table was *not* modified.
3950 (mail-header-set-xref
3951 (car (symbol-value id-dep))
3952 (concat (or (mail-header-xref (car (symbol-value id-dep)))
3954 (or (mail-header-xref header) "")))
3957 (when (and header (not replaced))
3958 ;; First check that we are not creating a References loop.
3959 (setq parent-id (gnus-parent-id (mail-header-references header)))
3960 (setq ref parent-id)
3962 (setq ref-dep (intern-soft ref dependencies))
3964 (setq ref-header (car (symbol-value ref-dep))))
3965 (if (string= id ref)
3966 ;; Yuk! This is a reference loop. Make the article be a
3969 (mail-header-set-references (car (symbol-value id-dep)) "none")
3971 (setq parent-id nil))
3972 (setq ref (gnus-parent-id (mail-header-references ref-header)))))
3973 (setq ref-dep (intern (or parent-id "none") dependencies))
3974 (if (boundp ref-dep)
3975 (setcdr (symbol-value ref-dep)
3976 (nconc (cdr (symbol-value ref-dep))
3977 (list (symbol-value id-dep))))
3978 (set ref-dep (list nil (symbol-value id-dep)))))
3981 (defun gnus-extract-message-id-from-in-reply-to (string)
3982 (if (string-match "<[^>]+>" string)
3983 (substring string (match-beginning 0) (match-end 0))
3986 (defun gnus-build-sparse-threads ()
3987 (let ((headers gnus-newsgroup-headers)
3988 (mail-parse-charset gnus-newsgroup-charset)
3989 (gnus-summary-ignore-duplicates t)
3990 header references generation relations
3991 subject child end new-child date)
3992 ;; First we create an alist of generations/relations, where
3993 ;; generations is how much we trust the relation, and the relation
3995 (gnus-message 7 "Making sparse threads...")
3997 (nnheader-set-temp-buffer " *gnus sparse threads*")
3998 (while (setq header (pop headers))
3999 (when (and (setq references (mail-header-references header))
4000 (not (string= references "")))
4002 (setq child (mail-header-id header)
4003 subject (mail-header-subject header)
4004 date (mail-header-date header)
4006 (while (search-backward ">" nil t)
4007 (setq end (1+ (point)))
4008 (when (search-backward "<" nil t)
4009 (setq new-child (buffer-substring (point) end))
4010 (push (list (incf generation)
4011 child (setq child new-child)
4015 (push (list (1+ generation) child nil subject) relations))
4017 (kill-buffer (current-buffer)))
4018 ;; Sort over trustworthiness.
4021 (when (gnus-dependencies-add-header
4022 (make-full-mail-header
4023 gnus-reffed-article-number
4024 (nth 3 relation) "" (or (nth 4 relation) "")
4026 (or (nth 2 relation) "") 0 0 "")
4027 gnus-newsgroup-dependencies nil)
4028 (push gnus-reffed-article-number gnus-newsgroup-limit)
4029 (push gnus-reffed-article-number gnus-newsgroup-sparse)
4030 (push (cons gnus-reffed-article-number gnus-sparse-mark)
4031 gnus-newsgroup-reads)
4032 (decf gnus-reffed-article-number)))
4033 (sort relations 'car-less-than-car))
4034 (gnus-message 7 "Making sparse threads...done")))
4036 (defun gnus-build-old-threads ()
4037 ;; Look at all the articles that refer back to old articles, and
4038 ;; fetch the headers for the articles that aren't there. This will
4039 ;; build complete threads - if the roots haven't been expired by the
4041 (let ((mail-parse-charset gnus-newsgroup-charset)
4045 (when (not (car (symbol-value refs)))
4046 (setq heads (cdr (symbol-value refs)))
4048 (if (memq (mail-header-number (caar heads))
4049 gnus-newsgroup-dormant)
4050 (setq heads (cdr heads))
4051 (setq id (symbol-name refs))
4052 (while (and (setq id (gnus-build-get-header id))
4053 (not (car (gnus-id-to-thread id)))))
4054 (setq heads nil)))))
4055 gnus-newsgroup-dependencies)))
4057 (defsubst gnus-remove-odd-characters (string)
4058 "Translate STRING into something that doesn't contain weird characters."
4059 (mm-subst-char-in-string
4061 (mm-subst-char-in-string ?\n ?\- string t) t))
4063 ;; This function has to be called with point after the article number
4064 ;; on the beginning of the line.
4065 (defsubst gnus-nov-parse-line (number dependencies &optional force-new)
4066 (let ((eol (point-at-eol))
4067 (buffer (current-buffer))
4068 header references in-reply-to)
4070 ;; overview: [num subject from date id refs chars lines misc]
4073 (narrow-to-region (point) eol)
4078 (make-full-mail-header
4080 (condition-case () ; subject
4081 (gnus-remove-odd-characters
4082 (funcall gnus-decode-encoded-word-function
4083 (setq x (nnheader-nov-field))))
4085 (condition-case () ; from
4086 (gnus-remove-odd-characters
4087 (funcall gnus-decode-encoded-word-function
4088 (setq x (nnheader-nov-field))))
4090 (nnheader-nov-field) ; date
4091 (nnheader-nov-read-message-id number) ; id
4092 (setq references (nnheader-nov-field)) ; refs
4093 (nnheader-nov-read-integer) ; chars
4094 (nnheader-nov-read-integer) ; lines
4096 (if (looking-at "Xref: ")
4097 (goto-char (match-end 0)))
4098 (nnheader-nov-field)) ; Xref
4099 (nnheader-nov-parse-extra)))) ; extra
4103 (when (and (string= references "")
4104 (setq in-reply-to (mail-header-extra header))
4105 (setq in-reply-to (cdr (assq 'In-Reply-To in-reply-to))))
4106 (mail-header-set-references
4107 header (gnus-extract-message-id-from-in-reply-to in-reply-to)))
4109 (when gnus-alter-header-function
4110 (funcall gnus-alter-header-function header))
4111 (gnus-dependencies-add-header header dependencies force-new)))
4113 (defun gnus-build-get-header (id)
4114 "Look through the buffer of NOV lines and find the header to ID.
4115 Enter this line into the dependencies hash table, and return
4116 the id of the parent article (if any)."
4117 (let ((deps gnus-newsgroup-dependencies)
4121 (set-buffer nntp-server-buffer)
4122 (let ((case-fold-search nil))
4123 (goto-char (point-min))
4124 (while (and (not found)
4125 (search-forward id nil t))
4127 (setq found (looking-at
4128 (format "^[^\t]*\t[^\t]*\t[^\t]*\t[^\t]*\t%s"
4129 (regexp-quote id))))
4130 (or found (beginning-of-line 2)))
4134 (setq header (gnus-nov-parse-line
4135 (read (current-buffer)) deps))
4136 (gnus-parent-id (mail-header-references header))))))
4138 (let ((number (mail-header-number header)))
4139 (push number gnus-newsgroup-limit)
4140 (push header gnus-newsgroup-headers)
4141 (if (memq number gnus-newsgroup-unselected)
4143 (setq gnus-newsgroup-unreads
4144 (gnus-add-to-sorted-list gnus-newsgroup-unreads
4146 (setq gnus-newsgroup-unselected
4147 (delq number gnus-newsgroup-unselected)))
4148 (push number gnus-newsgroup-ancient)))))))
4150 (defun gnus-build-all-threads ()
4151 "Read all the headers."
4152 (let ((gnus-summary-ignore-duplicates t)
4153 (mail-parse-charset gnus-newsgroup-charset)
4154 (dependencies gnus-newsgroup-dependencies)
4157 (set-buffer nntp-server-buffer)
4158 (let ((case-fold-search nil))
4159 (goto-char (point-min))
4162 (setq article (read (current-buffer))
4163 header (gnus-nov-parse-line article dependencies)))
4165 (with-current-buffer gnus-summary-buffer
4166 (push header gnus-newsgroup-headers)
4167 (if (memq (setq article (mail-header-number header))
4168 gnus-newsgroup-unselected)
4170 (setq gnus-newsgroup-unreads
4171 (gnus-add-to-sorted-list
4172 gnus-newsgroup-unreads article))
4173 (setq gnus-newsgroup-unselected
4174 (delq article gnus-newsgroup-unselected)))
4175 (push article gnus-newsgroup-ancient)))
4176 (forward-line 1)))))))
4178 (defun gnus-summary-update-article-line (article header)
4179 "Update the line for ARTICLE using HEADER."
4180 (let* ((id (mail-header-id header))
4181 (thread (gnus-id-to-thread id)))
4183 (error "Article in no thread"))
4184 ;; Update the thread.
4185 (setcar thread header)
4186 (gnus-summary-goto-subject article)
4187 (let* ((datal (gnus-data-find-list article))
4189 (buffer-read-only nil)
4190 (level (gnus-summary-thread-level)))
4192 (let ((inserted (- (point)
4194 (gnus-summary-insert-line
4196 (memq article gnus-newsgroup-undownloaded)
4197 (gnus-article-mark article)
4198 (memq article gnus-newsgroup-replied)
4199 (memq article gnus-newsgroup-expirable)
4200 ;; Only insert the Subject string when it's different
4201 ;; from the previous Subject string.
4206 (mail-header-subject
4209 (gnus-data-find-list
4211 (gnus-data-list t)))))
4212 ;; Error on the side of excessive subjects.
4214 (mail-header-subject header)))
4216 (mail-header-subject header))
4217 nil (cdr (assq article gnus-newsgroup-scored))
4218 (memq article gnus-newsgroup-processable))
4221 (gnus-data-update-list
4223 (- (gnus-data-pos data) (gnus-data-pos (cadr datal)) inserted)))))))
4225 (defun gnus-summary-update-article (article &optional iheader)
4226 "Update ARTICLE in the summary buffer."
4227 (set-buffer gnus-summary-buffer)
4228 (let* ((header (gnus-summary-article-header article))
4229 (id (mail-header-id header))
4230 (data (gnus-data-find article))
4231 (thread (gnus-id-to-thread id))
4232 (references (mail-header-references header))
4236 (when (and references
4237 (not (equal "" references)))
4240 (buffer-read-only nil)
4246 (delq thread parent)))
4247 (if (gnus-summary-insert-subject id header)
4248 ;; Set the (possibly) new article number in the data structure.
4249 (gnus-data-set-number data (gnus-id-to-article id))
4253 (defun gnus-rebuild-thread (id &optional line)
4254 "Rebuild the thread containing ID.
4255 If LINE, insert the rebuilt thread starting on line LINE."
4256 (let ((buffer-read-only nil)
4257 old-pos current thread data)
4258 (if (not gnus-show-threads)
4259 (setq thread (list (car (gnus-id-to-thread id))))
4260 ;; Get the thread this article is part of.
4261 (setq thread (gnus-remove-thread id)))
4262 (setq old-pos (point-at-bol))
4263 (setq current (save-excursion
4264 (and (re-search-backward "[\r\n]" nil t)
4265 (gnus-summary-article-number))))
4266 ;; If this is a gathered thread, we have to go some re-gathering.
4267 (when (stringp (car thread))
4268 (let ((subject (car thread))
4270 (setq thread (cdr thread))
4272 (unless (memq (setq thr (gnus-id-to-thread
4274 (mail-header-id (caar thread)))))
4277 (setq thread (cdr thread)))
4278 ;; We now have all (unique) roots.
4279 (if (= (length roots) 1)
4280 ;; All the loose roots are now one solid root.
4281 (setq thread (car roots))
4282 (setq thread (cons subject (gnus-sort-threads roots))))))
4284 ;; We then insert this thread into the summary buffer.
4286 (goto-char (point-min))
4287 (forward-line (1- line)))
4288 (let (gnus-newsgroup-data gnus-newsgroup-threads)
4289 (if gnus-show-threads
4290 (gnus-summary-prepare-threads (gnus-cut-threads (list thread)))
4291 (gnus-summary-prepare-unthreaded thread))
4292 (setq data (nreverse gnus-newsgroup-data))
4293 (setq threads gnus-newsgroup-threads))
4294 ;; We splice the new data into the data structure.
4295 ;;!!! This is kinda bogus. We assume that in LINE is non-nil,
4296 ;;!!! then we want to insert at the beginning of the buffer.
4297 ;;!!! That happens to be true with Gnus now, but that may
4298 ;;!!! change in the future. Perhaps.
4299 (gnus-data-enter-list
4300 (if line nil current) data (- (point) old-pos))
4301 (setq gnus-newsgroup-threads
4302 (nconc threads gnus-newsgroup-threads))
4303 (gnus-data-compute-positions))))
4305 (defun gnus-number-to-header (number)
4306 "Return the header for article NUMBER."
4307 (let ((headers gnus-newsgroup-headers))
4309 (not (= number (mail-header-number (car headers)))))
4314 (defun gnus-parent-headers (in-headers &optional generation)
4315 "Return the headers of the GENERATIONeth parent of HEADERS."
4317 (setq generation 1))
4319 (headers in-headers)
4322 (not (zerop generation))
4323 (setq references (mail-header-references headers)))
4324 (setq headers (if (and references
4325 (setq parent (gnus-parent-id references)))
4326 (car (gnus-id-to-thread parent))
4329 (and (not (eq headers in-headers))
4332 (defun gnus-id-to-thread (id)
4333 "Return the (sub-)thread where ID appears."
4334 (gnus-gethash id gnus-newsgroup-dependencies))
4336 (defun gnus-id-to-article (id)
4337 "Return the article number of ID."
4338 (let ((thread (gnus-id-to-thread id)))
4341 (mail-header-number (car thread)))))
4343 (defun gnus-id-to-header (id)
4344 "Return the article headers of ID."
4345 (car (gnus-id-to-thread id)))
4347 (defun gnus-article-displayed-root-p (article)
4348 "Say whether ARTICLE is a root(ish) article."
4349 (let ((level (gnus-summary-thread-level article))
4350 (refs (mail-header-references (gnus-summary-article-header article)))
4356 ((null (gnus-parent-id refs)) t)
4358 (null (setq particle (gnus-id-to-article
4359 (gnus-parent-id refs))))
4360 (null (gnus-summary-thread-level particle)))))))
4362 (defun gnus-root-id (id)
4363 "Return the id of the root of the thread where ID appears."
4365 (while (and id (setq prev (car (gnus-id-to-thread id))))
4367 id (gnus-parent-id (mail-header-references prev))))
4370 (defun gnus-articles-in-thread (thread)
4371 "Return the list of articles in THREAD."
4372 (cons (mail-header-number (car thread))
4373 (apply 'nconc (mapcar 'gnus-articles-in-thread (cdr thread)))))
4375 (defun gnus-remove-thread (id &optional dont-remove)
4376 "Remove the thread that has ID in it."
4377 (let (headers thread last-id)
4378 ;; First go up in this thread until we find the root.
4379 (setq last-id (gnus-root-id id)
4380 headers (message-flatten-list (gnus-id-to-thread last-id)))
4381 ;; We have now found the real root of this thread. It might have
4382 ;; been gathered into some loose thread, so we have to search
4383 ;; through the threads to find the thread we wanted.
4384 (let ((threads gnus-newsgroup-threads)
4387 (setq sub (car threads))
4388 (if (stringp (car sub))
4389 ;; This is a gathered thread, so we look at the roots
4390 ;; below it to find whether this article is in this
4393 (setq sub (cdr sub))
4395 (when (member (caar sub) headers)
4396 (setq thread (car threads)
4399 (setq sub (cdr sub))))
4400 ;; It's an ordinary thread, so we check it.
4401 (when (eq (car sub) (car headers))
4404 (setq threads (cdr threads)))
4405 ;; If this article is in no thread, then it's a root.
4408 (setq gnus-newsgroup-threads (delq thread gnus-newsgroup-threads)))
4409 (setq thread (gnus-id-to-thread last-id)))
4412 thread ; We return this thread.
4414 (if (stringp (car thread))
4416 ;; If we use dummy roots, then we have to remove the
4417 ;; dummy root as well.
4418 (when (eq gnus-summary-make-false-root 'dummy)
4419 ;; We go to the dummy root by going to
4420 ;; the first sub-"thread", and then one line up.
4421 (gnus-summary-goto-article
4422 (mail-header-number (caadr thread)))
4425 (gnus-data-compute-positions))
4426 (setq thread (cdr thread))
4428 (gnus-remove-thread-1 (car thread))
4429 (setq thread (cdr thread))))
4430 (gnus-remove-thread-1 thread))))))))
4432 (defun gnus-remove-thread-1 (thread)
4433 "Remove the thread THREAD recursively."
4434 (let ((number (mail-header-number (pop thread)))
4436 (setq thread (reverse thread))
4438 (gnus-remove-thread-1 (pop thread)))
4439 (when (setq d (gnus-data-find number))
4440 (goto-char (gnus-data-pos d))
4441 (gnus-summary-show-thread)
4447 (gnus-delete-line)))))))
4449 (defun gnus-sort-threads-1 (threads func)
4450 (sort (mapcar (lambda (thread)
4453 (gnus-sort-threads-1 (cdr thread) func))))
4456 (defun gnus-sort-threads (threads)
4458 (if (not gnus-thread-sort-functions)
4460 (gnus-message 8 "Sorting threads...")
4461 (let ((max-lisp-eval-depth 5000))
4462 (prog1 (gnus-sort-threads-1
4464 (gnus-make-sort-function gnus-thread-sort-functions))
4465 (gnus-message 8 "Sorting threads...done")))))
4467 (defun gnus-sort-articles (articles)
4469 (when gnus-article-sort-functions
4470 (gnus-message 7 "Sorting articles...")
4472 (setq gnus-newsgroup-headers
4473 (sort articles (gnus-make-sort-function
4474 gnus-article-sort-functions)))
4475 (gnus-message 7 "Sorting articles...done"))))
4477 ;; Written by Hallvard B Furuseth <h.b.furuseth@usit.uio.no>.
4478 (defmacro gnus-thread-header (thread)
4479 "Return header of first article in THREAD.
4480 Note that THREAD must never, ever be anything else than a variable -
4481 using some other form will lead to serious barfage."
4482 (or (symbolp thread) (signal 'wrong-type-argument '(symbolp thread)))
4483 ;; (8% speedup to gnus-summary-prepare, just for fun :-)
4484 (list 'byte-code "\10\211:\203\17\0\211@;\203\16\0A@@\207"
4487 (defsubst gnus-article-sort-by-number (h1 h2)
4488 "Sort articles by article number."
4489 (< (mail-header-number h1)
4490 (mail-header-number h2)))
4492 (defun gnus-thread-sort-by-number (h1 h2)
4493 "Sort threads by root article number."
4494 (gnus-article-sort-by-number
4495 (gnus-thread-header h1) (gnus-thread-header h2)))
4497 (defsubst gnus-article-sort-by-random (h1 h2)
4498 "Sort articles by article number."
4501 (defun gnus-thread-sort-by-random (h1 h2)
4502 "Sort threads by root article number."
4503 (gnus-article-sort-by-random
4504 (gnus-thread-header h1) (gnus-thread-header h2)))
4506 (defsubst gnus-article-sort-by-lines (h1 h2)
4507 "Sort articles by article Lines header."
4508 (< (mail-header-lines h1)
4509 (mail-header-lines h2)))
4511 (defun gnus-thread-sort-by-lines (h1 h2)
4512 "Sort threads by root article Lines header."
4513 (gnus-article-sort-by-lines
4514 (gnus-thread-header h1) (gnus-thread-header h2)))
4516 (defsubst gnus-article-sort-by-chars (h1 h2)
4517 "Sort articles by octet length."
4518 (< (mail-header-chars h1)
4519 (mail-header-chars h2)))
4521 (defun gnus-thread-sort-by-chars (h1 h2)
4522 "Sort threads by root article octet length."
4523 (gnus-article-sort-by-chars
4524 (gnus-thread-header h1) (gnus-thread-header h2)))
4526 (defsubst gnus-article-sort-by-author (h1 h2)
4527 "Sort articles by root author."
4529 (let ((extract (funcall
4530 gnus-extract-address-components
4531 (mail-header-from h1))))
4532 (or (car extract) (cadr extract) ""))
4533 (let ((extract (funcall
4534 gnus-extract-address-components
4535 (mail-header-from h2))))
4536 (or (car extract) (cadr extract) ""))))
4538 (defun gnus-thread-sort-by-author (h1 h2)
4539 "Sort threads by root author."
4540 (gnus-article-sort-by-author
4541 (gnus-thread-header h1) (gnus-thread-header h2)))
4543 (defsubst gnus-article-sort-by-subject (h1 h2)
4544 "Sort articles by root subject."
4546 (downcase (gnus-simplify-subject-re (mail-header-subject h1)))
4547 (downcase (gnus-simplify-subject-re (mail-header-subject h2)))))
4549 (defun gnus-thread-sort-by-subject (h1 h2)
4550 "Sort threads by root subject."
4551 (gnus-article-sort-by-subject
4552 (gnus-thread-header h1) (gnus-thread-header h2)))
4554 (defsubst gnus-article-sort-by-date (h1 h2)
4555 "Sort articles by root article date."
4557 (gnus-date-get-time (mail-header-date h1))
4558 (gnus-date-get-time (mail-header-date h2))))
4560 (defun gnus-thread-sort-by-date (h1 h2)
4561 "Sort threads by root article date."
4562 (gnus-article-sort-by-date
4563 (gnus-thread-header h1) (gnus-thread-header h2)))
4565 (defsubst gnus-article-sort-by-score (h1 h2)
4566 "Sort articles by root article score.
4567 Unscored articles will be counted as having a score of zero."
4568 (> (or (cdr (assq (mail-header-number h1)
4569 gnus-newsgroup-scored))
4570 gnus-summary-default-score 0)
4571 (or (cdr (assq (mail-header-number h2)
4572 gnus-newsgroup-scored))
4573 gnus-summary-default-score 0)))
4575 (defun gnus-thread-sort-by-score (h1 h2)
4576 "Sort threads by root article score."
4577 (gnus-article-sort-by-score
4578 (gnus-thread-header h1) (gnus-thread-header h2)))
4580 (defun gnus-thread-sort-by-total-score (h1 h2)
4581 "Sort threads by the sum of all scores in the thread.
4582 Unscored articles will be counted as having a score of zero."
4583 (> (gnus-thread-total-score h1) (gnus-thread-total-score h2)))
4585 (defun gnus-thread-total-score (thread)
4586 ;; This function find the total score of THREAD.
4591 (if (stringp (car thread))
4592 (apply gnus-thread-score-function 0
4593 (mapcar 'gnus-thread-total-score-1 (cdr thread)))
4594 (gnus-thread-total-score-1 thread)))
4596 (gnus-thread-total-score-1 (list thread)))))
4598 (defun gnus-thread-sort-by-most-recent-number (h1 h2)
4599 "Sort threads such that the thread with the most recently arrived article comes first."
4600 (> (gnus-thread-highest-number h1) (gnus-thread-highest-number h2)))
4602 (defun gnus-thread-highest-number (thread)
4603 "Return the highest article number in THREAD."
4604 (apply 'max (mapcar (lambda (header)
4605 (mail-header-number header))
4606 (message-flatten-list thread))))
4608 (defun gnus-thread-sort-by-most-recent-date (h1 h2)
4609 "Sort threads such that the thread with the most recently dated article comes first."
4610 (> (gnus-thread-latest-date h1) (gnus-thread-latest-date h2)))
4612 (defun gnus-thread-latest-date (thread)
4613 "Return the highest article date in THREAD."
4614 (let ((previous-time 0))
4620 (time-to-seconds (mail-header-parse-date
4621 (mail-header-date header)))
4622 (error previous-time))))
4624 (message-flatten-list thread)
4626 (< (mail-header-number h1)
4627 (mail-header-number h2))))))))
4629 (defun gnus-thread-total-score-1 (root)
4630 ;; This function find the total score of the thread below ROOT.
4631 (setq root (car root))
4632 (apply gnus-thread-score-function
4634 (mapcar 'gnus-thread-total-score
4635 (cdr (gnus-id-to-thread (mail-header-id root))))
4636 (when (> (mail-header-number root) 0)
4637 (list (or (cdr (assq (mail-header-number root)
4638 gnus-newsgroup-scored))
4639 gnus-summary-default-score 0))))
4640 (list gnus-summary-default-score)
4643 ;; Added by Per Abrahamsen <amanda@iesd.auc.dk>.
4644 (defvar gnus-tmp-prev-subject nil)
4645 (defvar gnus-tmp-false-parent nil)
4646 (defvar gnus-tmp-root-expunged nil)
4647 (defvar gnus-tmp-dummy-line nil)
4649 (eval-when-compile (defvar gnus-tmp-header))
4650 (defun gnus-extra-header (type &optional header)
4651 "Return the extra header of TYPE."
4652 (or (cdr (assq type (mail-header-extra (or header gnus-tmp-header))))
4655 (defvar gnus-tmp-thread-tree-header-string "")
4657 (defcustom gnus-sum-thread-tree-root "> "
4658 "With %B spec, used for the root of a thread.
4659 If nil, use subject instead."
4661 :type '(radio (const :format "%v " nil) (string :size 0))
4662 :group 'gnus-thread)
4663 (defcustom gnus-sum-thread-tree-false-root "> "
4664 "With %B spec, used for a false root of a thread.
4665 If nil, use subject instead."
4667 :type '(radio (const :format "%v " nil) (string :size 0))
4668 :group 'gnus-thread)
4669 (defcustom gnus-sum-thread-tree-single-indent ""
4670 "With %B spec, used for a thread with just one message.
4671 If nil, use subject instead."
4673 :type '(radio (const :format "%v " nil) (string :size 0))
4674 :group 'gnus-thread)
4675 (defcustom gnus-sum-thread-tree-vertical "| "
4676 "With %B spec, used for drawing a vertical line."
4679 :group 'gnus-thread)
4680 (defcustom gnus-sum-thread-tree-indent " "
4681 "With %B spec, used for indenting."
4684 :group 'gnus-thread)
4685 (defcustom gnus-sum-thread-tree-leaf-with-other "+-> "
4686 "With %B spec, used for a leaf with brothers."
4689 :group 'gnus-thread)
4690 (defcustom gnus-sum-thread-tree-single-leaf "\\-> "
4691 "With %B spec, used for a leaf without brothers."
4694 :group 'gnus-thread)
4696 (defun gnus-summary-prepare-threads (threads)
4697 "Prepare summary buffer from THREADS and indentation LEVEL.
4698 THREADS is either a list of `(PARENT [(CHILD1 [(GRANDCHILD ...]...) ...])'
4699 or a straight list of headers."
4700 (gnus-message 7 "Generating summary...")
4702 (setq gnus-newsgroup-threads threads)
4705 (let ((gnus-tmp-level 0)
4706 (default-score (or gnus-summary-default-score 0))
4707 (gnus-visual-p (gnus-visual-p 'summary-highlight 'highlight))
4708 (building-line-count gnus-summary-display-while-building)
4709 (building-count (integerp gnus-summary-display-while-building))
4710 thread number subject stack state gnus-tmp-gathered beg-match
4711 new-roots gnus-tmp-new-adopts thread-end simp-subject
4712 gnus-tmp-header gnus-tmp-unread gnus-tmp-downloaded
4713 gnus-tmp-replied gnus-tmp-subject-or-nil
4714 gnus-tmp-dummy gnus-tmp-indentation gnus-tmp-lines gnus-tmp-score
4715 gnus-tmp-score-char gnus-tmp-from gnus-tmp-name
4716 gnus-tmp-number gnus-tmp-opening-bracket gnus-tmp-closing-bracket
4719 (setq gnus-tmp-prev-subject nil
4720 gnus-tmp-thread-tree-header-string "")
4722 (if (vectorp (car threads))
4723 ;; If this is a straight (sic) list of headers, then a
4724 ;; threaded summary display isn't required, so we just create
4725 ;; an unthreaded one.
4726 (gnus-summary-prepare-unthreaded threads)
4728 ;; Do the threaded display.
4730 (if gnus-summary-display-while-building
4731 (switch-to-buffer (buffer-name)))
4732 (while (or threads stack gnus-tmp-new-adopts new-roots)
4734 (if (and (= gnus-tmp-level 0)
4737 (not gnus-tmp-false-parent)
4738 (or gnus-tmp-new-adopts new-roots))
4739 (if gnus-tmp-new-adopts
4740 (setq gnus-tmp-level (if gnus-tmp-root-expunged 0 1)
4741 thread (list (car gnus-tmp-new-adopts))
4742 gnus-tmp-header (caar thread)
4743 gnus-tmp-new-adopts (cdr gnus-tmp-new-adopts))
4745 (setq thread (list (car new-roots))
4746 gnus-tmp-header (caar thread)
4747 new-roots (cdr new-roots))))
4750 ;; If there are some threads, we do them before the
4751 ;; threads on the stack.
4752 (setq thread threads
4753 gnus-tmp-header (caar thread))
4754 ;; There were no current threads, so we pop something off
4756 (setq state (car stack)
4757 gnus-tmp-level (car state)
4758 tree-stack (cadr state)
4759 thread (caddr state)
4761 gnus-tmp-header (caar thread))))
4763 (setq gnus-tmp-false-parent nil)
4764 (setq gnus-tmp-root-expunged nil)
4765 (setq thread-end nil)
4767 (if (stringp gnus-tmp-header)
4768 ;; The header is a dummy root.
4770 ((eq gnus-summary-make-false-root 'adopt)
4771 ;; We let the first article adopt the rest.
4772 (setq gnus-tmp-new-adopts (nconc gnus-tmp-new-adopts
4774 (setq gnus-tmp-gathered
4776 (lambda (h) (mail-header-number (car h)))
4779 (setq thread (cons (list (caar thread)
4782 (setq gnus-tmp-level -1
4783 gnus-tmp-false-parent t))
4784 ((eq gnus-summary-make-false-root 'empty)
4785 ;; We print adopted articles with empty subject fields.
4786 (setq gnus-tmp-gathered
4788 (lambda (h) (mail-header-number (car h)))
4791 (setq gnus-tmp-level -1))
4792 ((eq gnus-summary-make-false-root 'dummy)
4793 ;; We remember that we probably want to output a dummy
4795 (setq gnus-tmp-dummy-line gnus-tmp-header)
4796 (setq gnus-tmp-prev-subject gnus-tmp-header))
4798 ;; We do not make a root for the gathered
4799 ;; sub-threads at all.
4800 (setq gnus-tmp-level -1)))
4802 (setq number (mail-header-number gnus-tmp-header)
4803 subject (mail-header-subject gnus-tmp-header)
4804 simp-subject (gnus-simplify-subject-fully subject))
4807 ;; If the thread has changed subject, we might want to make
4808 ;; this subthread into a root.
4809 ((and (null gnus-thread-ignore-subject)
4810 (not (zerop gnus-tmp-level))
4811 gnus-tmp-prev-subject
4812 (not (string= gnus-tmp-prev-subject simp-subject)))
4813 (setq new-roots (nconc new-roots (list (car thread)))
4815 gnus-tmp-header nil))
4816 ;; If the article lies outside the current limit,
4817 ;; then we do not display it.
4818 ((not (memq number gnus-newsgroup-limit))
4819 (setq gnus-tmp-gathered
4821 (lambda (h) (mail-header-number (car h)))
4824 (setq gnus-tmp-new-adopts (if (cdar thread)
4825 (append gnus-tmp-new-adopts
4827 gnus-tmp-new-adopts)
4829 gnus-tmp-header nil)
4830 (when (zerop gnus-tmp-level)
4831 (setq gnus-tmp-root-expunged t)))
4832 ;; Perhaps this article is to be marked as read?
4833 ((and gnus-summary-mark-below
4834 (< (or (cdr (assq number gnus-newsgroup-scored))
4836 gnus-summary-mark-below)
4837 ;; Don't touch sparse articles.
4838 (not (gnus-summary-article-sparse-p number))
4839 (not (gnus-summary-article-ancient-p number)))
4840 (setq gnus-newsgroup-unreads
4841 (delq number gnus-newsgroup-unreads))
4842 (if gnus-newsgroup-auto-expire
4843 (setq gnus-newsgroup-expirable
4844 (gnus-add-to-sorted-list
4845 gnus-newsgroup-expirable number))
4846 (push (cons number gnus-low-score-mark)
4847 gnus-newsgroup-reads))))
4849 (when gnus-tmp-header
4850 ;; We may have an old dummy line to output before this
4852 (when (and gnus-tmp-dummy-line
4855 (mail-header-subject gnus-tmp-header)))
4856 (gnus-summary-insert-dummy-line
4857 gnus-tmp-dummy-line (mail-header-number gnus-tmp-header))
4858 (setq gnus-tmp-dummy-line nil))
4860 ;; Compute the mark.
4861 (setq gnus-tmp-unread (gnus-article-mark number))
4863 (push (gnus-data-make number gnus-tmp-unread (1+ (point))
4864 gnus-tmp-header gnus-tmp-level)
4865 gnus-newsgroup-data)
4867 ;; Actually insert the line.
4869 gnus-tmp-subject-or-nil
4871 ((and gnus-thread-ignore-subject
4872 gnus-tmp-prev-subject
4873 (not (string= gnus-tmp-prev-subject simp-subject)))
4875 ((zerop gnus-tmp-level)
4876 (if (and (eq gnus-summary-make-false-root 'empty)
4877 (memq number gnus-tmp-gathered)
4878 gnus-tmp-prev-subject
4879 (string= gnus-tmp-prev-subject simp-subject))
4880 gnus-summary-same-subject
4882 (t gnus-summary-same-subject)))
4883 (if (and (eq gnus-summary-make-false-root 'adopt)
4884 (= gnus-tmp-level 1)
4885 (memq number gnus-tmp-gathered))
4886 (setq gnus-tmp-opening-bracket ?\<
4887 gnus-tmp-closing-bracket ?\>)
4888 (setq gnus-tmp-opening-bracket ?\[
4889 gnus-tmp-closing-bracket ?\]))
4891 gnus-tmp-indentation
4892 (aref gnus-thread-indent-array gnus-tmp-level)
4893 gnus-tmp-lines (mail-header-lines gnus-tmp-header)
4894 gnus-tmp-score (or (cdr (assq number gnus-newsgroup-scored))
4895 gnus-summary-default-score 0)
4897 (if (or (null gnus-summary-default-score)
4898 (<= (abs (- gnus-tmp-score gnus-summary-default-score))
4899 gnus-summary-zcore-fuzz))
4901 (if (< gnus-tmp-score gnus-summary-default-score)
4902 gnus-score-below-mark gnus-score-over-mark))
4904 (cond ((memq number gnus-newsgroup-processable)
4906 ((memq number gnus-newsgroup-cached)
4908 ((memq number gnus-newsgroup-replied)
4910 ((memq number gnus-newsgroup-forwarded)
4911 gnus-forwarded-mark)
4912 ((memq number gnus-newsgroup-saved)
4914 ((memq number gnus-newsgroup-recent)
4916 ((memq number gnus-newsgroup-unseen)
4920 (cond ((memq number gnus-newsgroup-undownloaded)
4921 gnus-undownloaded-mark)
4922 (gnus-newsgroup-agentized
4923 gnus-downloaded-mark)
4926 gnus-tmp-from (mail-header-from gnus-tmp-header)
4929 ((string-match "<[^>]+> *$" gnus-tmp-from)
4930 (setq beg-match (match-beginning 0))
4931 (or (and (string-match "^\".+\"" gnus-tmp-from)
4932 (substring gnus-tmp-from 1 (1- (match-end 0))))
4933 (substring gnus-tmp-from 0 beg-match)))
4934 ((string-match "(.+)" gnus-tmp-from)
4935 (substring gnus-tmp-from
4936 (1+ (match-beginning 0)) (1- (match-end 0))))
4940 gnus-tmp-thread-tree-header-string
4942 ((not gnus-show-threads) "")
4943 ((zerop gnus-tmp-level)
4944 (cond ((cdar thread)
4945 (or gnus-sum-thread-tree-root subject))
4946 (gnus-tmp-new-adopts
4947 (or gnus-sum-thread-tree-false-root subject))
4949 (or gnus-sum-thread-tree-single-indent subject))))
4951 (concat (apply 'concat
4952 (mapcar (lambda (item)
4954 gnus-sum-thread-tree-vertical
4955 gnus-sum-thread-tree-indent))
4956 (cdr (reverse tree-stack))))
4958 gnus-sum-thread-tree-leaf-with-other
4959 gnus-sum-thread-tree-single-leaf)))))
4960 (when (string= gnus-tmp-name "")
4961 (setq gnus-tmp-name gnus-tmp-from))
4962 (unless (numberp gnus-tmp-lines)
4963 (setq gnus-tmp-lines -1))
4964 (if (= gnus-tmp-lines -1)
4965 (setq gnus-tmp-lines "?")
4966 (setq gnus-tmp-lines (number-to-string gnus-tmp-lines)))
4967 (gnus-put-text-property
4969 (progn (eval gnus-summary-line-format-spec) (point))
4970 'gnus-number number)
4973 (gnus-run-hooks 'gnus-summary-update-hook)
4976 (setq gnus-tmp-prev-subject simp-subject)))
4978 (when (nth 1 thread)
4979 (push (list (max 0 gnus-tmp-level)
4980 (copy-sequence tree-stack)
4983 (push (if (nth 1 thread) 1 0) tree-stack)
4984 (incf gnus-tmp-level)
4985 (setq threads (if thread-end nil (cdar thread)))
4986 (if gnus-summary-display-while-building
4989 ;; use a set frequency
4990 (setq building-line-count (1- building-line-count))
4991 (when (= building-line-count 0)
4993 (setq building-line-count
4994 gnus-summary-display-while-building)))
4998 (setq gnus-tmp-level 0)))))
4999 (gnus-message 7 "Generating summary...done"))
5001 (defun gnus-summary-prepare-unthreaded (headers)
5002 "Generate an unthreaded summary buffer based on HEADERS."
5003 (let (header number mark)
5008 ;; We may have to root out some bad articles...
5009 (when (memq (setq number (mail-header-number
5010 (setq header (pop headers))))
5011 gnus-newsgroup-limit)
5012 ;; Mark article as read when it has a low score.
5013 (when (and gnus-summary-mark-below
5014 (< (or (cdr (assq number gnus-newsgroup-scored))
5015 gnus-summary-default-score 0)
5016 gnus-summary-mark-below)
5017 (not (gnus-summary-article-ancient-p number)))
5018 (setq gnus-newsgroup-unreads
5019 (delq number gnus-newsgroup-unreads))
5020 (if gnus-newsgroup-auto-expire
5021 (push number gnus-newsgroup-expirable)
5022 (push (cons number gnus-low-score-mark)
5023 gnus-newsgroup-reads)))
5025 (setq mark (gnus-article-mark number))
5026 (push (gnus-data-make number mark (1+ (point)) header 0)
5027 gnus-newsgroup-data)
5028 (gnus-summary-insert-line
5030 (memq number gnus-newsgroup-undownloaded)
5031 mark (memq number gnus-newsgroup-replied)
5032 (memq number gnus-newsgroup-expirable)
5033 (mail-header-subject header) nil
5034 (cdr (assq number gnus-newsgroup-scored))
5035 (memq number gnus-newsgroup-processable))))))
5037 (defun gnus-summary-remove-list-identifiers ()
5038 "Remove list identifiers in `gnus-list-identifiers' from articles in the current group."
5039 (let ((regexp (if (consp gnus-list-identifiers)
5040 (mapconcat 'identity gnus-list-identifiers " *\\|")
5041 gnus-list-identifiers))
5044 (setq regexp (concat "^\\(?:R[Ee]: +\\)*\\(" regexp " *\\)"))
5045 (dolist (header gnus-newsgroup-headers)
5046 (setq subject (mail-header-subject header)
5048 (while (string-match regexp subject)
5050 (concat (substring subject 0 (match-beginning 1))
5051 (substring subject (match-end 0)))
5054 (when (string-match "^\\(\\(?:R[Ee]: +\\)+\\)R[Ee]: +" subject)
5056 (concat (substring subject 0 (match-beginning 1))
5057 (substring subject (match-end 1)))))
5058 (mail-header-set-subject header subject))))))
5060 (defun gnus-fetch-headers (articles)
5061 "Fetch headers of ARTICLES."
5062 (let ((name (gnus-group-decoded-name gnus-newsgroup-name)))
5063 (gnus-message 5 "Fetching headers for %s..." name)
5066 (setq gnus-headers-retrieved-by
5067 (gnus-retrieve-headers
5068 articles gnus-newsgroup-name
5069 ;; We might want to fetch old headers, but
5070 ;; not if there is only 1 article.
5072 (not (eq gnus-fetch-old-headers 'some))
5073 (not (numberp gnus-fetch-old-headers)))
5074 (> (length articles) 1))
5075 gnus-fetch-old-headers))))
5076 (gnus-get-newsgroup-headers-xover
5077 articles nil nil gnus-newsgroup-name t)
5078 (gnus-get-newsgroup-headers))
5079 (gnus-message 5 "Fetching headers for %s...done" name))))
5081 (defun gnus-select-newsgroup (group &optional read-all select-articles)
5082 "Select newsgroup GROUP.
5083 If READ-ALL is non-nil, all articles in the group are selected.
5084 If SELECT-ARTICLES, only select those articles from GROUP."
5085 (let* ((entry (gnus-group-entry group))
5086 ;;!!! Dirty hack; should be removed.
5087 (gnus-summary-ignore-duplicates
5088 (if (eq (car (gnus-find-method-for-group group)) 'nnvirtual)
5090 gnus-summary-ignore-duplicates))
5091 (info (nth 2 entry))
5092 articles fetched-articles cached)
5094 (unless (gnus-check-server
5095 (set (make-local-variable 'gnus-current-select-method)
5096 (gnus-find-method-for-group group)))
5097 (error "Couldn't open server"))
5099 (or (and entry (not (eq (car entry) t))) ; Either it's active...
5100 (gnus-activate-group group) ; Or we can activate it...
5101 (progn ; Or we bug out.
5102 (when (equal major-mode 'gnus-summary-mode)
5103 (gnus-kill-buffer (current-buffer)))
5104 (error "Couldn't activate group %s: %s"
5105 group (gnus-status-message group))))
5107 (unless (gnus-request-group group t)
5108 (when (equal major-mode 'gnus-summary-mode)
5109 (gnus-kill-buffer (current-buffer)))
5110 (error "Couldn't request group %s: %s"
5111 group (gnus-status-message group)))
5114 (gnus-agent-possibly-alter-active group (gnus-active group) info)
5116 (setq gnus-summary-use-undownloaded-faces
5117 (gnus-agent-find-parameter
5119 'agent-enable-undownloaded-faces)))
5121 (setq gnus-newsgroup-name group
5122 gnus-newsgroup-unselected nil
5123 gnus-newsgroup-unreads (gnus-list-of-unread-articles group))
5125 (let ((display (gnus-group-find-parameter group 'display)))
5126 (setq gnus-newsgroup-display
5128 ((not (zerop (or (car-safe read-all) 0)))
5129 ;; The user entered the group with C-u SPC/RET, let's show
5135 (gnus-summary-display-make-predicate (mapcar 'identity display)))
5137 ;; The following is probably the "correct" solution, but
5138 ;; it makes Gnus fetch all headers and then limit the
5139 ;; articles (which is slow), so instead we hack the
5140 ;; select-articles parameter instead. -- Simon Josefsson
5143 ;; (gnus-byte-compile
5144 ;; `(lambda () (> number ,(- (cdr (gnus-active group))
5146 (setq select-articles
5147 (gnus-uncompress-range
5148 (cons (let ((tmp (- (cdr (gnus-active group)) display)))
5152 (cdr (gnus-active group)))))
5157 (gnus-summary-setup-default-charset)
5159 ;; Kludge to avoid having cached articles nixed out in virtual groups.
5160 (when (gnus-virtual-group-p group)
5161 (setq cached gnus-newsgroup-cached))
5163 (setq gnus-newsgroup-unreads
5164 (gnus-sorted-ndifference
5165 (gnus-sorted-ndifference gnus-newsgroup-unreads
5166 gnus-newsgroup-marked)
5167 gnus-newsgroup-dormant))
5169 (setq gnus-newsgroup-processable nil)
5171 (gnus-update-read-articles group gnus-newsgroup-unreads)
5173 ;; Adjust and set lists of article marks.
5175 (gnus-adjust-marked-articles info))
5176 (if (setq articles select-articles)
5177 (setq gnus-newsgroup-unselected
5178 (gnus-sorted-difference gnus-newsgroup-unreads articles))
5179 (setq articles (gnus-articles-to-read group read-all)))
5183 ;;(gnus-message 3 "Couldn't select newsgroup -- no articles to display")
5185 ((eq articles 0) nil)
5187 ;; Init the dependencies hash table.
5188 (setq gnus-newsgroup-dependencies
5189 (gnus-make-hashtable (length articles)))
5190 (gnus-set-global-variables)
5191 ;; Retrieve the headers and read them in.
5193 (setq gnus-newsgroup-headers (gnus-fetch-headers articles))
5195 ;; Kludge to avoid having cached articles nixed out in virtual groups.
5197 (setq gnus-newsgroup-cached cached))
5199 ;; Suppress duplicates?
5200 (when gnus-suppress-duplicates
5201 (gnus-dup-suppress-articles))
5203 ;; Set the initial limit.
5204 (setq gnus-newsgroup-limit (copy-sequence articles))
5205 ;; Remove canceled articles from the list of unread articles.
5206 (setq fetched-articles
5207 (mapcar (lambda (headers) (mail-header-number headers))
5208 gnus-newsgroup-headers))
5209 (setq gnus-newsgroup-articles fetched-articles)
5210 (setq gnus-newsgroup-unreads
5211 (gnus-sorted-nintersection
5212 gnus-newsgroup-unreads fetched-articles))
5213 (gnus-compute-unseen-list)
5215 ;; Removed marked articles that do not exist.
5216 (gnus-update-missing-marks
5217 (gnus-sorted-difference articles fetched-articles))
5218 ;; We might want to build some more threads first.
5219 (when (and gnus-fetch-old-headers
5220 (eq gnus-headers-retrieved-by 'nov))
5221 (if (eq gnus-fetch-old-headers 'invisible)
5222 (gnus-build-all-threads)
5223 (gnus-build-old-threads)))
5224 ;; Let the Gnus agent mark articles as read.
5226 (gnus-agent-get-undownloaded-list))
5227 ;; Remove list identifiers from subject
5228 (when gnus-list-identifiers
5229 (gnus-summary-remove-list-identifiers))
5230 ;; Check whether auto-expire is to be done in this group.
5231 (setq gnus-newsgroup-auto-expire
5232 (gnus-group-auto-expirable-p group))
5233 ;; Set up the article buffer now, if necessary.
5234 (unless gnus-single-article-buffer
5235 (gnus-article-setup-buffer))
5236 ;; First and last article in this newsgroup.
5237 (when gnus-newsgroup-headers
5238 (setq gnus-newsgroup-begin
5239 (mail-header-number (car gnus-newsgroup-headers))
5242 (gnus-last-element gnus-newsgroup-headers))))
5243 ;; GROUP is successfully selected.
5244 (or gnus-newsgroup-headers t)))))
5246 (defun gnus-compute-unseen-list ()
5247 ;; The `seen' marks are treated specially.
5248 (if (not gnus-newsgroup-seen)
5249 (setq gnus-newsgroup-unseen gnus-newsgroup-articles)
5250 (setq gnus-newsgroup-unseen
5251 (gnus-inverse-list-range-intersection
5252 gnus-newsgroup-articles gnus-newsgroup-seen))))
5254 (defun gnus-summary-display-make-predicate (display)
5255 (require 'gnus-agent)
5256 (when (= (length display) 1)
5257 (setq display (car display)))
5258 (unless gnus-summary-display-cache
5259 (dolist (elem (append '((unread . unread)
5262 gnus-article-mark-lists))
5263 (push (cons (cdr elem)
5265 `(lambda () (gnus-article-marked-p ',(cdr elem)))))
5266 gnus-summary-display-cache)))
5267 (let ((gnus-category-predicate-alist gnus-summary-display-cache)
5268 (gnus-category-predicate-cache gnus-summary-display-cache))
5269 (gnus-get-predicate display)))
5271 ;; Uses the dynamically bound `number' variable.
5274 (defun gnus-article-marked-p (type &optional article)
5275 (let ((article (or article number)))
5278 (memq article gnus-newsgroup-marked))
5280 (memq article gnus-newsgroup-spam-marked))
5282 (memq article gnus-newsgroup-unsendable))
5283 ((eq type 'undownload)
5284 (memq article gnus-newsgroup-undownloaded))
5285 ((eq type 'download)
5286 (memq article gnus-newsgroup-downloadable))
5288 (memq article gnus-newsgroup-unreads))
5290 (memq article gnus-newsgroup-reads))
5292 (memq article gnus-newsgroup-dormant) )
5294 (memq article gnus-newsgroup-expirable))
5296 (memq article gnus-newsgroup-replied))
5298 (memq article gnus-newsgroup-killed))
5299 ((eq type 'bookmark)
5300 (assq article gnus-newsgroup-bookmarks))
5302 (assq article gnus-newsgroup-scored))
5304 (memq article gnus-newsgroup-saved))
5306 (memq article gnus-newsgroup-cached))
5308 (memq article gnus-newsgroup-forwarded))
5310 (not (memq article gnus-newsgroup-unseen)))
5312 (memq article gnus-newsgroup-recent))
5315 (defun gnus-articles-to-read (group &optional read-all)
5316 "Find out what articles the user wants to read."
5318 ;; Select all articles if `read-all' is non-nil, or if there
5319 ;; are no unread articles.
5321 (and (zerop (length gnus-newsgroup-marked))
5322 (zerop (length gnus-newsgroup-unreads)))
5323 ;; Fetch all if the predicate is non-nil.
5324 gnus-newsgroup-display)
5325 ;; We want to select the headers for all the articles in
5326 ;; the group, so we select either all the active
5327 ;; articles in the group, or (if that's nil), the
5328 ;; articles in the cache.
5330 (gnus-uncompress-range (gnus-active group))
5331 (gnus-cache-articles-in-group group))
5332 ;; Select only the "normal" subset of articles.
5334 (gnus-sorted-union gnus-newsgroup-dormant gnus-newsgroup-marked)
5335 gnus-newsgroup-unreads)))
5336 (scored-list (gnus-killed-articles gnus-newsgroup-killed articles))
5337 (scored (length scored-list))
5338 (number (length articles))
5339 (marked (+ (length gnus-newsgroup-marked)
5340 (length gnus-newsgroup-dormant)))
5345 ((numberp gnus-newsgroup-display)
5346 gnus-newsgroup-display)
5350 ((and (or (<= scored marked) (= scored number))
5351 (numberp gnus-large-newsgroup)
5352 (> number gnus-large-newsgroup))
5353 (let* ((cursor-in-echo-area nil)
5354 (initial (gnus-parameter-large-newsgroup-initial
5355 gnus-newsgroup-name))
5359 "How many articles from %s (%s %d): "
5361 (gnus-group-decoded-name gnus-newsgroup-name)
5363 (if initial "max" "default")
5366 (cons (number-to-string initial)
5368 (if (string-match "^[ \t]*$" input) number input)))
5369 ((and (> scored marked) (< scored number)
5370 (> (- scored number) 20))
5373 (format "%s %s (%d scored, %d total): "
5374 "How many articles from"
5375 (gnus-group-decoded-name group)
5377 (if (string-match "^[ \t]*$" input)
5381 (message "Quit getting the articles to read")
5383 (setq select (if (stringp select) (string-to-number select) select))
5384 (if (or (null select) (zerop select))
5386 (if (and (not (zerop scored)) (<= (abs select) scored))
5388 (setq articles (sort scored-list '<))
5389 (setq number (length articles)))
5390 (setq articles (copy-sequence articles)))
5392 (when (< (abs select) number)
5394 ;; Select the N oldest articles.
5395 (setcdr (nthcdr (1- (abs select)) articles) nil)
5396 ;; Select the N most recent articles.
5397 (setq articles (nthcdr (- number select) articles))))
5398 (setq gnus-newsgroup-unselected
5399 (gnus-sorted-difference gnus-newsgroup-unreads articles))
5400 (when gnus-alter-articles-to-read-function
5403 (funcall gnus-alter-articles-to-read-function
5404 gnus-newsgroup-name articles)
5408 (defun gnus-killed-articles (killed articles)
5411 (when (inline (gnus-member-of-range (car articles) killed))
5412 (push (car articles) out))
5413 (setq articles (cdr articles)))
5416 (defun gnus-uncompress-marks (marks)
5417 "Uncompress the mark ranges in MARKS."
5418 (let ((uncompressed '(score bookmark))
5421 (if (memq (caar marks) uncompressed)
5422 (push (car marks) out)
5423 (push (cons (caar marks) (gnus-uncompress-range (cdar marks))) out))
5424 (setq marks (cdr marks)))
5427 (defun gnus-article-mark-to-type (mark)
5428 "Return the type of MARK."
5429 (or (cadr (assq mark gnus-article-special-mark-lists))
5432 (defun gnus-article-unpropagatable-p (mark)
5433 "Return whether MARK should be propagated to back end."
5434 (memq mark gnus-article-unpropagated-mark-lists))
5436 (defun gnus-adjust-marked-articles (info)
5437 "Set all article lists and remove all marks that are no longer valid."
5438 (let* ((marked-lists (gnus-info-marks info))
5439 (active (gnus-active (gnus-info-group info)))
5442 (types gnus-article-mark-lists)
5443 marks var articles article mark mark-type
5446 (dolist (marks marked-lists)
5447 (setq mark (car marks)
5448 mark-type (gnus-article-mark-to-type mark)
5449 var (intern (format "gnus-newsgroup-%s" (car (rassq mark types)))))
5451 ;; We set the variable according to the type of the marks list,
5452 ;; and then adjust the marks to a subset of the active articles.
5454 ;; Adjust "simple" lists - compressed yet unsorted
5455 ((eq mark-type 'list)
5456 ;; Simultaneously uncompress and clip to active range
5457 ;; See gnus-uncompress-range for a description of possible marks
5459 (if (not (cadr marks))
5461 (setq articles (if (numberp (cddr marks))
5467 (while (setq article (pop articles))
5468 (cond ((consp article)
5469 (setq bgn (max (car article) min)
5470 end (min (cdr article) max))
5472 (setq l (setcdr l (cons bgn nil))
5474 ((and (<= min article)
5476 (setq l (setcdr l (cons article nil))))))
5477 (set var (cdr lh)))))
5479 ((eq mark-type 'tuple)
5480 (set var (setq articles (cdr marks)))
5481 (when (not (listp (cdr (symbol-value var))))
5482 (set var (list (symbol-value var))))
5483 (when (not (listp (cdr articles)))
5484 (setq articles (list articles)))
5486 (when (or (not (consp (setq article (pop articles))))
5487 (< (car article) min)
5488 (> (car article) max))
5489 (set var (delq article (symbol-value var))))))
5490 ;; Adjust ranges (sloppily).
5491 ((eq mark-type 'range)
5494 ;; Fix the record for `seen' if it looks like (seen NUM1 . NUM2).
5495 ;; It should be (seen (NUM1 . NUM2)).
5496 (when (numberp (cddr marks))
5497 (setcdr marks (list (cdr marks))))
5498 (setq articles (cdr marks))
5499 (while (and articles
5500 (or (and (consp (car articles))
5501 (> min (cdar articles)))
5502 (and (numberp (car articles))
5503 (> min (car articles)))))
5505 (set var articles))))))))
5507 (defun gnus-update-missing-marks (missing)
5508 "Go through the list of MISSING articles and remove them from the mark lists."
5511 ;; Go through all types.
5512 (dolist (elem gnus-article-mark-lists)
5513 (when (eq (gnus-article-mark-to-type (cdr elem)) 'list)
5514 (setq var (intern (format "gnus-newsgroup-%s" (car elem))))
5515 (when (symbol-value var)
5516 ;; This list has articles. So we delete all missing
5517 ;; articles from it.
5520 (set var (delq (pop m) (symbol-value var))))))))))
5522 (defun gnus-update-marks ()
5523 "Enter the various lists of marked articles into the newsgroup info list."
5524 (let ((types gnus-article-mark-lists)
5525 (info (gnus-get-info gnus-newsgroup-name))
5526 type list newmarked symbol delta-marks)
5528 ;; Add all marks lists to the list of marks lists.
5529 (while (setq type (pop types))
5530 (setq list (symbol-value
5532 (intern (format "gnus-newsgroup-%s" (car type))))))
5535 ;; Get rid of the entries of the articles that have the
5537 (when (and (eq (cdr type) 'score)
5541 (prev (cons nil list))
5544 (if (or (not (consp (car arts)))
5545 (= (cdar arts) gnus-summary-default-score))
5546 (setcdr prev (cdr arts))
5548 (setq arts (cdr arts)))
5549 (setq list (cdr all)))))
5551 (when (eq (cdr type) 'seen)
5552 (setq list (gnus-range-add list gnus-newsgroup-unseen)))
5554 (when (eq (gnus-article-mark-to-type (cdr type)) 'list)
5555 (setq list (gnus-compress-sequence (set symbol (sort list '<)) t)))
5557 (when (and (gnus-check-backend-function
5558 'request-set-mark gnus-newsgroup-name)
5559 (not (gnus-article-unpropagatable-p (cdr type))))
5560 (let* ((old (cdr (assq (cdr type) (gnus-info-marks info))))
5561 (del (gnus-remove-from-range (gnus-copy-sequence old) list))
5562 (add (gnus-remove-from-range
5563 (gnus-copy-sequence list) old)))
5565 (push (list add 'add (list (cdr type))) delta-marks))
5567 (push (list del 'del (list (cdr type))) delta-marks))))
5570 (push (cons (cdr type) list) newmarked)))
5573 (unless (gnus-check-group gnus-newsgroup-name)
5574 (error "Can't open server for %s" gnus-newsgroup-name))
5575 (gnus-request-set-mark gnus-newsgroup-name delta-marks))
5577 ;; Enter these new marks into the info of the group.
5579 (setcar (nthcdr 3 info) newmarked)
5580 ;; Add the marks lists to the end of the info.
5582 (setcdr (nthcdr 2 info) (list newmarked))))
5584 ;; Cut off the end of the info if there's nothing else there.
5588 (when (nthcdr (decf i) info)
5589 (setcdr (nthcdr i info) nil)))))))
5591 (defun gnus-set-mode-line (where)
5592 "Set the mode line of the article or summary buffers.
5593 If WHERE is `summary', the summary mode line format will be used."
5594 ;; Is this mode line one we keep updated?
5595 (when (and (memq where gnus-updated-mode-lines)
5597 (intern (format "gnus-%s-mode-line-format-spec" where))))
5600 ;; We evaluate this in the summary buffer since these
5601 ;; variables are buffer-local to that buffer.
5602 (set-buffer gnus-summary-buffer)
5603 ;; We bind all these variables that are used in the `eval' form
5605 (let* ((mformat (symbol-value
5607 (format "gnus-%s-mode-line-format-spec" where))))
5608 (gnus-tmp-group-name (gnus-group-decoded-name
5609 gnus-newsgroup-name))
5610 (gnus-tmp-article-number (or gnus-current-article 0))
5611 (gnus-tmp-unread gnus-newsgroup-unreads)
5612 (gnus-tmp-unread-and-unticked (length gnus-newsgroup-unreads))
5613 (gnus-tmp-unselected (length gnus-newsgroup-unselected))
5614 (gnus-tmp-unread-and-unselected
5615 (cond ((and (zerop gnus-tmp-unread-and-unticked)
5616 (zerop gnus-tmp-unselected))
5618 ((zerop gnus-tmp-unselected)
5619 (format "{%d more}" gnus-tmp-unread-and-unticked))
5620 (t (format "{%d(+%d) more}"
5621 gnus-tmp-unread-and-unticked
5622 gnus-tmp-unselected))))
5624 (if (and gnus-current-headers
5625 (vectorp gnus-current-headers))
5626 (gnus-mode-string-quote
5627 (mail-header-subject gnus-current-headers))
5629 bufname-length max-len
5630 gnus-tmp-header) ;; passed as argument to any user-format-funcs
5631 (setq mode-string (eval mformat))
5632 (setq bufname-length (if (string-match "%b" mode-string)
5635 (if (eq where 'summary)
5637 (get-buffer gnus-article-buffer))))
5640 (setq max-len (max 4 (if gnus-mode-non-string-length
5642 gnus-mode-non-string-length
5644 (length mode-string))))
5645 ;; We might have to chop a bit of the string off...
5646 (when (> (length mode-string) max-len)
5648 (concat (truncate-string-to-width mode-string (- max-len 3))
5650 ;; Pad the mode string a bit.
5651 (setq mode-string (format (format "%%-%ds" max-len) mode-string))))
5652 ;; Update the mode line.
5653 (setq mode-line-buffer-identification
5654 (gnus-mode-line-buffer-identification (list mode-string)))
5655 (set-buffer-modified-p t))))
5657 (defun gnus-create-xref-hashtb (from-newsgroup headers unreads)
5658 "Go through the HEADERS list and add all Xrefs to a hash table.
5659 The resulting hash table is returned, or nil if no Xrefs were found."
5660 (let* ((virtual (gnus-virtual-group-p from-newsgroup))
5661 (prefix (if virtual "" (gnus-group-real-prefix from-newsgroup)))
5662 (xref-hashtb (gnus-make-hashtable))
5663 start group entry number xrefs header)
5665 (setq header (pop headers))
5666 (when (and (setq xrefs (mail-header-xref header))
5667 (not (memq (setq number (mail-header-number header))
5670 (while (string-match "\\([^ ]+\\)[:/]\\([0-9]+\\)" xrefs start)
5671 (setq start (match-end 0))
5672 (setq group (if prefix
5673 (concat prefix (substring xrefs (match-beginning 1)
5675 (substring xrefs (match-beginning 1) (match-end 1))))
5677 (string-to-int (substring xrefs (match-beginning 2)
5679 (if (setq entry (gnus-gethash group xref-hashtb))
5680 (setcdr entry (cons number (cdr entry)))
5681 (gnus-sethash group (cons number nil) xref-hashtb)))))
5682 (and start xref-hashtb)))
5684 (defun gnus-mark-xrefs-as-read (from-newsgroup headers unreads)
5685 "Look through all the headers and mark the Xrefs as read."
5686 (let ((virtual (gnus-virtual-group-p from-newsgroup))
5687 name info xref-hashtb idlist method nth4)
5689 (set-buffer gnus-group-buffer)
5690 (when (setq xref-hashtb
5691 (gnus-create-xref-hashtb from-newsgroup headers unreads))
5694 (unless (string= from-newsgroup (setq name (symbol-name group)))
5695 (setq idlist (symbol-value group))
5696 ;; Dead groups are not updated.
5698 (setq info (gnus-get-info name))
5699 (when (stringp (setq nth4 (gnus-info-method info)))
5700 (setq nth4 (gnus-server-to-method nth4))))
5701 ;; Only do the xrefs if the group has the same
5702 ;; select method as the group we have just read.
5703 (or (gnus-methods-equal-p
5704 nth4 (gnus-find-method-for-group from-newsgroup))
5706 (equal nth4 (setq method (gnus-find-method-for-group
5708 (and (equal (car nth4) (car method))
5709 (equal (nth 1 nth4) (nth 1 method))))
5710 gnus-use-cross-reference
5711 (or (not (eq gnus-use-cross-reference t))
5713 ;; Only do cross-references on subscribed
5714 ;; groups, if that is what is wanted.
5715 (<= (gnus-info-level info) gnus-level-subscribed))
5716 (gnus-group-make-articles-read name idlist))))
5719 (defun gnus-compute-read-articles (group articles)
5720 (let* ((entry (gnus-group-entry group))
5721 (info (nth 2 entry))
5722 (active (gnus-active group))
5725 ;; First peel off all invalid article numbers.
5727 (let ((ids articles)
5729 (while (setq id (pop ids))
5730 (when (and first (> id (cdr active)))
5731 ;; We'll end up in this situation in one particular
5732 ;; obscure situation. If you re-scan a group and get
5733 ;; a new article that is cross-posted to a different
5734 ;; group that has not been re-scanned, you might get
5735 ;; crossposted article that has a higher number than
5736 ;; Gnus believes possible. So we re-activate this
5737 ;; group as well. This might mean doing the
5738 ;; crossposting thingy will *increase* the number
5739 ;; of articles in some groups. Tsk, tsk.
5740 (setq active (or (gnus-activate-group group) active)))
5741 (when (or (> id (cdr active))
5742 (< id (car active)))
5743 (setq articles (delq id articles))))))
5744 ;; If the read list is nil, we init it.
5746 (null (gnus-info-read info))
5748 (setq ninfo (cons 1 (1- (car active))))
5749 (setq ninfo (gnus-info-read info)))
5750 ;; Then we add the read articles to the range.
5752 ninfo (setq articles (sort articles '<))))))
5754 (defun gnus-group-make-articles-read (group articles)
5755 "Update the info of GROUP to say that ARTICLES are read."
5757 (entry (gnus-group-entry group))
5758 (info (nth 2 entry))
5759 (active (gnus-active group))
5762 (setq range (gnus-compute-read-articles group articles))
5763 (with-current-buffer gnus-group-buffer
5766 (gnus-info-set-marks ',info ',(gnus-info-marks info) t)
5767 (gnus-info-set-read ',info ',(gnus-info-read info))
5768 (gnus-get-unread-articles-in-group ',info (gnus-active ,group))
5769 (gnus-request-set-mark ,group (list (list ',range 'del '(read))))
5770 (gnus-group-update-group ,group t))))
5771 ;; Add the read articles to the range.
5772 (gnus-info-set-read info range)
5773 (gnus-request-set-mark group (list (list range 'add '(read))))
5774 ;; Then we have to re-compute how many unread
5775 ;; articles there are in this group.
5779 (setq num (- (1+ (cdr active)) (car active))))
5780 ((not (listp (cdr range)))
5781 (setq num (- (cdr active) (- (1+ (cdr range))
5785 (if (numberp (car range))
5787 (setq num (+ num (- (1+ (cdar range)) (caar range)))))
5788 (setq range (cdr range)))
5789 (setq num (- (cdr active) num))))
5790 ;; Update the number of unread articles.
5792 ;; Update the group buffer.
5793 (unless (gnus-ephemeral-group-p group)
5794 (gnus-group-update-group group t))))))
5796 (defvar gnus-newsgroup-none-id 0)
5798 (defun gnus-get-newsgroup-headers (&optional dependencies force-new)
5799 (let ((cur nntp-server-buffer)
5802 (with-current-buffer gnus-summary-buffer
5803 gnus-newsgroup-dependencies)))
5804 headers id end ref number
5805 (mail-parse-charset gnus-newsgroup-charset)
5806 (mail-parse-ignored-charsets
5807 (save-excursion (condition-case nil
5808 (set-buffer gnus-summary-buffer)
5810 gnus-newsgroup-ignored-charsets)))
5812 (set-buffer nntp-server-buffer)
5813 ;; Translate all TAB characters into SPACE characters.
5814 (subst-char-in-region (point-min) (point-max) ?\t ? t)
5815 (subst-char-in-region (point-min) (point-max) ?\r ? t)
5816 (ietf-drums-unfold-fws)
5817 (gnus-run-hooks 'gnus-parse-headers-hook)
5818 (let ((case-fold-search t)
5819 in-reply-to header p lines chars)
5820 (goto-char (point-min))
5821 ;; Search to the beginning of the next header. Error messages
5822 ;; do not begin with 2 or 3.
5823 (while (re-search-forward "^[23][0-9]+ " nil t)
5826 ;; This implementation of this function, with nine
5827 ;; search-forwards instead of the one re-search-forward and
5828 ;; a case (which basically was the old function) is actually
5829 ;; about twice as fast, even though it looks messier. You
5830 ;; can't have everything, I guess. Speed and elegance
5831 ;; doesn't always go hand in hand.
5837 (setq number (read cur))
5840 (narrow-to-region (point)
5841 (or (and (search-forward "\n.\n" nil t)
5847 (if (search-forward "\nsubject:" nil t)
5848 (funcall gnus-decode-encoded-word-function
5849 (nnheader-header-value))
5854 (if (search-forward "\nfrom:" nil t)
5855 (funcall gnus-decode-encoded-word-function
5856 (nnheader-header-value))
5861 (if (search-forward "\ndate:" nil t)
5862 (nnheader-header-value) ""))
5866 (setq id (if (re-search-forward
5867 "^message-id: *\\(<[^\n\t> ]+>\\)" nil t)
5868 ;; We do it this way to make sure the Message-ID
5869 ;; is (somewhat) syntactically valid.
5870 (buffer-substring (match-beginning 1)
5872 ;; If there was no message-id, we just fake one
5873 ;; to make subsequent routines simpler.
5874 (nnheader-generate-fake-message-id number))))
5878 (if (search-forward "\nreferences:" nil t)
5882 (nnheader-header-value)
5887 (search-backward ">" end t)
5890 (search-backward "<" end t)
5892 ;; Get the references from the in-reply-to header if there
5893 ;; were no references and the in-reply-to header looks
5895 (if (and (search-forward "\nin-reply-to:" nil t)
5896 (setq in-reply-to (nnheader-header-value))
5897 (string-match "<[^>]+>" in-reply-to))
5899 (setq ref (substring in-reply-to (match-beginning 0)
5901 (while (string-match "<[^>]+>" in-reply-to (match-end 0))
5902 (setq ref2 (substring in-reply-to (match-beginning 0)
5904 (when (> (length ref2) (length ref))
5911 (if (search-forward "\nchars: " nil t)
5912 (if (numberp (setq chars (ignore-errors (read cur))))
5918 (if (search-forward "\nlines: " nil t)
5919 (if (numberp (setq lines (ignore-errors (read cur))))
5925 (and (search-forward "\nxref:" nil t)
5926 (nnheader-header-value)))
5928 (when gnus-extra-headers
5929 (let ((extra gnus-extra-headers)
5933 (when (search-forward
5934 (concat "\n" (symbol-name (car extra)) ":") nil t)
5935 (push (cons (car extra) (nnheader-header-value))
5939 (when (equal id ref)
5942 (when gnus-alter-header-function
5943 (funcall gnus-alter-header-function header)
5944 (setq id (mail-header-id header)
5945 ref (gnus-parent-id (mail-header-references header))))
5948 (gnus-dependencies-add-header
5949 header dependencies force-new))
5950 (push header headers))
5951 (goto-char (point-max))
5953 (nreverse headers)))))
5955 ;; Goes through the xover lines and returns a list of vectors
5956 (defun gnus-get-newsgroup-headers-xover (sequence &optional
5957 force-new dependencies
5958 group also-fetch-heads)
5959 "Parse the news overview data in the server buffer.
5960 Return a list of headers that match SEQUENCE (see
5961 `nntp-retrieve-headers')."
5962 ;; Get the Xref when the users reads the articles since most/some
5963 ;; NNTP servers do not include Xrefs when using XOVER.
5964 (setq gnus-article-internal-prepare-hook '(gnus-article-get-xrefs))
5965 (let ((mail-parse-charset gnus-newsgroup-charset)
5966 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets)
5967 (cur nntp-server-buffer)
5968 (dependencies (or dependencies gnus-newsgroup-dependencies))
5970 ((eq gnus-read-all-available-headers t)
5972 ((stringp gnus-read-all-available-headers)
5973 (string-match gnus-read-all-available-headers group))
5976 number headers header)
5978 (set-buffer nntp-server-buffer)
5979 (subst-char-in-region (point-min) (point-max) ?\r ? t)
5980 ;; Allow the user to mangle the headers before parsing them.
5981 (gnus-run-hooks 'gnus-parse-headers-hook)
5982 (goto-char (point-min))
5983 (gnus-parse-without-error
5984 (while (and (or sequence allp)
5986 (setq number (read cur))
5988 (while (and sequence
5989 (< (car sequence) number))
5990 (setq sequence (cdr sequence))))
5993 (eq number (car sequence))))
5995 (setq sequence (cdr sequence))
5996 (setq header (inline
5997 (gnus-nov-parse-line
5998 number dependencies force-new)))))
5999 (push header headers))
6001 ;; A common bug in inn is that if you have posted an article and
6002 ;; then retrieves the active file, it will answer correctly --
6003 ;; the new article is included. However, a NOV entry for the
6004 ;; article may not have been generated yet, so this may fail.
6005 ;; We work around this problem by retrieving the last few
6006 ;; headers using HEAD.
6007 (if (or (not also-fetch-heads)
6009 ;; We (probably) got all the headers.
6011 (let ((gnus-nov-is-evil t))
6014 (when (eq (gnus-retrieve-headers sequence group) 'headers)
6015 (gnus-get-newsgroup-headers))))))))
6017 (defun gnus-article-get-xrefs ()
6018 "Fill in the Xref value in `gnus-current-headers', if necessary.
6019 This is meant to be called in `gnus-article-internal-prepare-hook'."
6020 (let ((headers (with-current-buffer gnus-summary-buffer
6021 gnus-current-headers)))
6022 (or (not gnus-use-cross-reference)
6024 (and (mail-header-xref headers)
6025 (not (string= (mail-header-xref headers) "")))
6026 (let ((case-fold-search t)
6029 (nnheader-narrow-to-headers)
6030 (goto-char (point-min))
6031 (when (or (and (not (eobp))
6032 (eq (downcase (char-after)) ?x)
6033 (looking-at "Xref:"))
6034 (search-forward "\nXref:" nil t))
6035 (goto-char (1+ (match-end 0)))
6036 (setq xref (buffer-substring (point) (point-at-eol)))
6037 (mail-header-set-xref headers xref)))))))
6039 (defun gnus-summary-insert-subject (id &optional old-header use-old-header)
6040 "Find article ID and insert the summary line for that article.
6041 OLD-HEADER can either be a header or a line number to insert
6042 the subject line on."
6043 (let* ((line (and (numberp old-header) old-header))
6044 (old-header (and (vectorp old-header) old-header))
6045 (header (cond ((and old-header use-old-header)
6048 (gnus-number-to-header id))
6049 (gnus-number-to-header id))
6051 (gnus-read-header id))))
6052 (number (and (numberp id) id))
6055 ;; Rebuild the thread that this article is part of and go to the
6056 ;; article we have fetched.
6057 (when (and (not gnus-show-threads)
6060 (setq d (gnus-data-find (mail-header-number old-header))))
6061 (goto-char (gnus-data-pos d))
6067 (gnus-delete-line))))))
6068 ;; Remove list identifiers from subject.
6069 (when gnus-list-identifiers
6070 (let ((gnus-newsgroup-headers (list header)))
6071 (gnus-summary-remove-list-identifiers)))
6073 (mail-header-set-number header (mail-header-number old-header)))
6074 (setq gnus-newsgroup-sparse
6075 (delq (setq number (mail-header-number header))
6076 gnus-newsgroup-sparse))
6077 (setq gnus-newsgroup-ancient (delq number gnus-newsgroup-ancient))
6078 (push number gnus-newsgroup-limit)
6079 (gnus-rebuild-thread (mail-header-id header) line)
6080 (gnus-summary-goto-subject number nil t))
6081 (when (and (numberp number)
6083 ;; We have to update the boundaries even if we can't fetch the
6084 ;; article if ID is a number -- so that the next `P' or `N'
6085 ;; command will fetch the previous (or next) article even
6086 ;; if the one we tried to fetch this time has been canceled.
6087 (when (> number gnus-newsgroup-end)
6088 (setq gnus-newsgroup-end number))
6089 (when (< number gnus-newsgroup-begin)
6090 (setq gnus-newsgroup-begin number))
6091 (setq gnus-newsgroup-unselected
6092 (delq number gnus-newsgroup-unselected)))
6093 ;; Report back a success?
6094 (and header (mail-header-number header))))
6096 ;;; Process/prefix in the summary buffer
6098 (defun gnus-summary-work-articles (n)
6099 "Return a list of articles to be worked upon.
6100 The prefix argument, the list of process marked articles, and the
6101 current article will be taken into consideration."
6103 (set-buffer gnus-summary-buffer)
6106 ;; A numerical prefix has been given.
6107 (setq n (prefix-numeric-value n))
6108 (let ((backward (< n 0))
6109 (n (abs (prefix-numeric-value n)))
6114 (push (setq article (gnus-summary-article-number))
6117 (gnus-summary-find-prev nil article)
6118 (gnus-summary-find-next nil article)))
6120 (nreverse articles)))
6121 ((and (gnus-region-active-p) (mark))
6122 (message "region active")
6123 ;; Work on the region between point and mark.
6124 (let ((max (max (point) (mark)))
6127 (goto-char (min (min (point) (mark))))
6130 (push (setq article (gnus-summary-article-number)) articles)
6131 (gnus-summary-find-next nil article)
6133 (nreverse articles))))
6134 (gnus-newsgroup-processable
6135 ;; There are process-marked articles present.
6136 ;; Save current state.
6137 (gnus-summary-save-process-mark)
6139 (reverse gnus-newsgroup-processable))
6141 ;; Just return the current article.
6142 (list (gnus-summary-article-number))))))
6144 (defmacro gnus-summary-iterate (arg &rest forms)
6145 "Iterate over the process/prefixed articles and do FORMS.
6146 ARG is the interactive prefix given to the command. FORMS will be
6147 executed with point over the summary line of the articles."
6148 (let ((articles (make-symbol "gnus-summary-iterate-articles")))
6149 `(let ((,articles (gnus-summary-work-articles ,arg)))
6151 (gnus-summary-goto-subject (car ,articles))
6155 (put 'gnus-summary-iterate 'lisp-indent-function 1)
6156 (put 'gnus-summary-iterate 'edebug-form-spec '(form body))
6158 (defun gnus-summary-save-process-mark ()
6159 "Push the current set of process marked articles on the stack."
6161 (push (copy-sequence gnus-newsgroup-processable)
6162 gnus-newsgroup-process-stack))
6164 (defun gnus-summary-kill-process-mark ()
6165 "Push the current set of process marked articles on the stack and unmark."
6167 (gnus-summary-save-process-mark)
6168 (gnus-summary-unmark-all-processable))
6170 (defun gnus-summary-yank-process-mark ()
6171 "Pop the last process mark state off the stack and restore it."
6173 (unless gnus-newsgroup-process-stack
6174 (error "Empty mark stack"))
6175 (gnus-summary-process-mark-set (pop gnus-newsgroup-process-stack)))
6177 (defun gnus-summary-process-mark-set (set)
6178 "Make SET into the current process marked articles."
6179 (gnus-summary-unmark-all-processable)
6180 (mapc 'gnus-summary-set-process-mark set))
6182 ;;; Searching and stuff
6184 (defun gnus-summary-search-group (&optional backward use-level)
6185 "Search for next unread newsgroup.
6186 If optional argument BACKWARD is non-nil, search backward instead."
6188 (set-buffer gnus-group-buffer)
6189 (when (gnus-group-search-forward
6190 backward nil (if use-level (gnus-group-group-level) nil))
6191 (gnus-group-group-name))))
6193 (defun gnus-summary-best-group (&optional exclude-group)
6194 "Find the name of the best unread group.
6195 If EXCLUDE-GROUP, do not go to this group."
6196 (with-current-buffer gnus-group-buffer
6198 (gnus-group-best-unread-group exclude-group))))
6200 (defun gnus-summary-find-next (&optional unread article backward)
6202 (gnus-summary-find-prev unread article)
6203 (let* ((dummy (gnus-summary-article-intangible-p))
6204 (article (or article (gnus-summary-article-number)))
6205 (data (gnus-data-find-list article))
6207 (when (and (not dummy)
6208 (or (not gnus-summary-check-current)
6210 (not (gnus-data-unread-p (car data)))))
6211 (setq data (cdr data)))
6216 (unless (memq (gnus-data-number (car data))
6218 ((eq gnus-auto-goto-ignores
6219 'always-undownloaded)
6220 gnus-newsgroup-undownloaded)
6223 ((eq gnus-auto-goto-ignores
6225 gnus-newsgroup-unfetched)
6226 ((eq gnus-auto-goto-ignores
6228 gnus-newsgroup-undownloaded)))
6229 (when (gnus-data-unread-p (car data))
6230 (setq result (car data)
6232 (setq data (cdr data)))
6235 (goto-char (gnus-data-pos result))
6236 (gnus-data-number result)))))
6238 (defun gnus-summary-find-prev (&optional unread article)
6239 (let* ((eobp (eobp))
6240 (article (or article (gnus-summary-article-number)))
6241 (data (gnus-data-find-list article (gnus-data-list 'rev)))
6243 (when (and (not eobp)
6244 (or (not gnus-summary-check-current)
6246 (not (gnus-data-unread-p (car data)))))
6247 (setq data (cdr data)))
6252 (unless (memq (gnus-data-number (car data))
6254 ((eq gnus-auto-goto-ignores
6255 'always-undownloaded)
6256 gnus-newsgroup-undownloaded)
6259 ((eq gnus-auto-goto-ignores
6261 gnus-newsgroup-unfetched)
6262 ((eq gnus-auto-goto-ignores
6264 gnus-newsgroup-undownloaded)))
6265 (when (gnus-data-unread-p (car data))
6266 (setq result (car data)
6268 (setq data (cdr data)))
6271 (goto-char (gnus-data-pos result))
6272 (gnus-data-number result))))
6274 (defun gnus-summary-find-subject (subject &optional unread backward article)
6275 (let* ((simp-subject (gnus-simplify-subject-fully subject))
6276 (article (or article (gnus-summary-article-number)))
6277 (articles (gnus-data-list backward))
6278 (arts (gnus-data-find-list article articles))
6280 (when (or (not gnus-summary-check-current)
6282 (not (gnus-data-unread-p (car arts))))
6283 (setq arts (cdr arts)))
6285 (and (or (not unread)
6286 (gnus-data-unread-p (car arts)))
6287 (vectorp (gnus-data-header (car arts)))
6289 simp-subject (mail-header-subject (gnus-data-header (car arts))) t)
6290 (setq result (car arts)
6292 (setq arts (cdr arts)))
6294 (goto-char (gnus-data-pos result))
6295 (gnus-data-number result))))
6297 (defun gnus-summary-search-forward (&optional unread subject backward)
6298 "Search forward for an article.
6299 If UNREAD, look for unread articles. If SUBJECT, look for
6300 articles with that subject. If BACKWARD, search backward instead."
6301 (cond (subject (gnus-summary-find-subject subject unread backward))
6302 (backward (gnus-summary-find-prev unread))
6303 (t (gnus-summary-find-next unread))))
6305 (defun gnus-recenter (&optional n)
6306 "Center point in window and redisplay frame.
6307 Also do horizontal recentering."
6309 (when (and gnus-auto-center-summary
6310 (not (eq gnus-auto-center-summary 'vertical)))
6311 (gnus-horizontal-recenter))
6314 (defun gnus-summary-recenter ()
6315 "Center point in the summary window.
6316 If `gnus-auto-center-summary' is nil, or the article buffer isn't
6317 displayed, no centering will be performed."
6318 ;; Suggested by earle@mahendo.JPL.NASA.GOV (Greg Earle).
6319 ;; Recenter only when requested. Suggested by popovich@park.cs.columbia.edu.
6321 ;; The user has to want it.
6322 (when gnus-auto-center-summary
6323 (let* ((top (cond ((< (window-height) 4) 0)
6324 ((< (window-height) 7) 1)
6325 (t (if (numberp gnus-auto-center-summary)
6326 gnus-auto-center-summary
6327 (/ (1- (window-height)) 2)))))
6328 (height (1- (window-height)))
6329 (bottom (save-excursion (goto-char (point-max))
6330 (forward-line (- height))
6332 (window (get-buffer-window (current-buffer))))
6333 (when (get-buffer-window gnus-article-buffer)
6334 ;; Only do recentering when the article buffer is displayed,
6335 ;; Set the window start to either `bottom', which is the biggest
6336 ;; possible valid number, or the second line from the top,
6337 ;; whichever is the least.
6338 (let ((top-pos (save-excursion (forward-line (- top)) (point))))
6339 (if (> bottom top-pos)
6340 ;; Keep the second line from the top visible
6341 (set-window-start window top-pos t)
6342 ;; Try to keep the bottom line visible; if it's partially
6343 ;; obscured, either scroll one more line to make it fully
6344 ;; visible, or revert to using TOP-POS.
6346 (goto-char (point-max))
6348 (let ((last-line-start (point)))
6350 (set-window-start window (point) t)
6351 (when (not (pos-visible-in-window-p last-line-start window))
6353 (set-window-start window (min (point) top-pos) t)))))))
6354 ;; Do horizontal recentering while we're at it.
6355 (when (and (get-buffer-window (current-buffer) t)
6356 (not (eq gnus-auto-center-summary 'vertical)))
6357 (let ((selected (selected-window)))
6358 (select-window (get-buffer-window (current-buffer) t))
6359 (gnus-summary-position-point)
6360 (gnus-horizontal-recenter)
6361 (select-window selected))))))
6363 (defun gnus-summary-jump-to-group (newsgroup)
6364 "Move point to NEWSGROUP in group mode buffer."
6365 ;; Keep update point of group mode buffer if visible.
6366 (if (eq (current-buffer) (get-buffer gnus-group-buffer))
6367 (save-window-excursion
6368 ;; Take care of tree window mode.
6369 (when (get-buffer-window gnus-group-buffer)
6370 (pop-to-buffer gnus-group-buffer))
6371 (gnus-group-jump-to-group newsgroup))
6373 ;; Take care of tree window mode.
6374 (if (get-buffer-window gnus-group-buffer)
6375 (pop-to-buffer gnus-group-buffer)
6376 (set-buffer gnus-group-buffer))
6377 (gnus-group-jump-to-group newsgroup))))
6379 ;; This function returns a list of article numbers based on the
6380 ;; difference between the ranges of read articles in this group and
6381 ;; the range of active articles.
6382 (defun gnus-list-of-unread-articles (group)
6383 (let* ((read (gnus-info-read (gnus-get-info group)))
6384 (active (or (gnus-active group) (gnus-activate-group group)))
6387 ;; If none are read, then all are unread.
6389 (setq first (car active))
6390 ;; If the range of read articles is a single range, then the
6391 ;; first unread article is the article after the last read
6392 ;; article. Sounds logical, doesn't it?
6393 (if (and (not (listp (cdr read)))
6394 (or (< (car read) (car active))
6395 (progn (setq read (list read))
6397 (setq first (max (car active) (1+ (cdr read))))
6398 ;; `read' is a list of ranges.
6399 (when (/= (setq nlast (or (and (numberp (car read)) (car read))
6402 (setq first (car active)))
6405 (while (< first nlast)
6406 (setq unread (cons first unread)
6408 (setq first (1+ (if (atom (car read)) (car read) (cdar read))))
6409 (setq nlast (if (atom (cadr read)) (cadr read) (caadr read)))
6410 (setq read (cdr read)))))
6411 ;; And add the last unread articles.
6412 (while (<= first last)
6413 (setq unread (cons first unread)
6415 ;; Return the list of unread articles.
6416 (delq 0 (nreverse unread))))
6418 (defun gnus-list-of-read-articles (group)
6419 "Return a list of unread, unticked and non-dormant articles."
6420 (let* ((info (gnus-get-info group))
6421 (marked (gnus-info-marks info))
6422 (active (gnus-active group)))
6424 (gnus-list-range-difference
6425 (gnus-list-range-difference
6426 (gnus-sorted-complement
6427 (gnus-uncompress-range active)
6428 (gnus-list-of-unread-articles group))
6429 (cdr (assq 'dormant marked)))
6430 (cdr (assq 'tick marked))))))
6432 ;; This function returns a sequence of article numbers based on the
6433 ;; difference between the ranges of read articles in this group and
6434 ;; the range of active articles.
6435 (defun gnus-sequence-of-unread-articles (group)
6436 (let* ((read (gnus-info-read (gnus-get-info group)))
6437 (active (or (gnus-active group) (gnus-activate-group group)))
6440 ;; If none are read, then all are unread.
6442 (setq first (car active))
6443 ;; If the range of read articles is a single range, then the
6444 ;; first unread article is the article after the last read
6445 ;; article. Sounds logical, doesn't it?
6446 (if (and (not (listp (cdr read)))
6447 (or (< (car read) (car active))
6448 (progn (setq read (list read))
6450 (setq first (max (car active) (1+ (cdr read))))
6451 ;; `read' is a list of ranges.
6452 (when (/= (setq nlast (or (and (numberp (car read)) (car read))
6455 (setq first (car active)))
6458 (push (cons first nlast) unread))
6459 (setq first (1+ (if (atom (car read)) (car read) (cdar read))))
6460 (setq nlast (if (atom (cadr read)) (cadr read) (caadr read)))
6461 (setq read (cdr read)))))
6462 ;; And add the last unread articles.
6463 (cond ((< first last)
6464 (push (cons first last) unread))
6466 (push first unread)))
6467 ;; Return the sequence of unread articles.
6468 (delq 0 (nreverse unread))))
6470 ;; Various summary commands
6472 (defun gnus-summary-select-article-buffer ()
6473 "Reconfigure windows to show article buffer."
6475 (if (not (gnus-buffer-live-p gnus-article-buffer))
6476 (error "There is no article buffer for this summary buffer")
6477 (gnus-configure-windows 'article)
6478 (select-window (get-buffer-window gnus-article-buffer))))
6480 (defun gnus-summary-universal-argument (arg)
6481 "Perform any operation on all articles that are process/prefixed."
6483 (let ((articles (gnus-summary-work-articles arg))
6490 (substitute-command-keys
6491 "\\<gnus-summary-mode-map>\\[gnus-summary-universal-argument]"))))
6493 (gnus-error 1 "Undefined key")
6496 (gnus-summary-goto-subject (setq article (pop articles)))
6497 (let (gnus-newsgroup-processable)
6498 (command-execute func))
6499 (gnus-summary-remove-process-mark article)))))
6500 (gnus-summary-position-point))
6502 (defun gnus-summary-toggle-truncation (&optional arg)
6503 "Toggle truncation of summary lines.
6504 With ARG, turn line truncation on if ARG is positive."
6506 (setq truncate-lines
6507 (if (null arg) (not truncate-lines)
6508 (> (prefix-numeric-value arg) 0)))
6511 (defun gnus-summary-find-for-reselect ()
6512 "Return the number of an article to stay on across a reselect.
6513 The current article is considered, then following articles, then previous
6514 articles. An article is sought which is not cancelled and isn't a temporary
6515 insertion from another group. If there's no such then return a dummy 0."
6517 (dolist (rev '(nil t))
6518 (unless found ; don't demand the reverse list if we don't need it
6519 (let ((data (gnus-data-find-list
6520 (gnus-summary-article-number) (gnus-data-list rev))))
6521 (while (and data (not found))
6522 (if (and (< 0 (gnus-data-number (car data)))
6523 (not (eq gnus-canceled-mark (gnus-data-mark (car data)))))
6524 (setq found (gnus-data-number (car data))))
6525 (setq data (cdr data))))))
6528 (defun gnus-summary-reselect-current-group (&optional all rescan)
6529 "Exit and then reselect the current newsgroup.
6530 The prefix argument ALL means to select all articles."
6532 (when (gnus-ephemeral-group-p gnus-newsgroup-name)
6533 (error "Ephemeral groups can't be reselected"))
6534 (let ((current-subject (gnus-summary-find-for-reselect))
6535 (group gnus-newsgroup-name))
6536 (setq gnus-newsgroup-begin nil)
6537 (gnus-summary-exit nil 'leave-hidden)
6538 ;; We have to adjust the point of group mode buffer because
6539 ;; point was moved to the next unread newsgroup by exiting.
6540 (gnus-summary-jump-to-group group)
6543 (gnus-group-get-new-news-this-group 1)))
6544 (gnus-group-read-group all t)
6545 (gnus-summary-goto-subject current-subject nil t)))
6547 (defun gnus-summary-rescan-group (&optional all)
6548 "Exit the newsgroup, ask for new articles, and select the newsgroup."
6550 (gnus-summary-reselect-current-group all t))
6552 (defun gnus-summary-update-info (&optional non-destructive)
6554 (let ((group gnus-newsgroup-name))
6556 (when gnus-newsgroup-kill-headers
6557 (setq gnus-newsgroup-killed
6558 (gnus-compress-sequence
6560 (gnus-list-range-intersection
6561 gnus-newsgroup-unselected gnus-newsgroup-killed)
6562 gnus-newsgroup-unreads)
6564 (unless (listp (cdr gnus-newsgroup-killed))
6565 (setq gnus-newsgroup-killed (list gnus-newsgroup-killed)))
6566 (let ((headers gnus-newsgroup-headers))
6567 ;; Set the new ranges of read articles.
6568 (with-current-buffer gnus-group-buffer
6569 (gnus-undo-force-boundary))
6570 (gnus-update-read-articles
6571 group (gnus-sorted-union
6572 gnus-newsgroup-unreads gnus-newsgroup-unselected))
6573 ;; Set the current article marks.
6574 (let ((gnus-newsgroup-scored
6575 (if (and (not gnus-save-score)
6576 (not non-destructive))
6578 gnus-newsgroup-scored)))
6580 (gnus-update-marks)))
6581 ;; Do the cross-ref thing.
6582 (when gnus-use-cross-reference
6583 (gnus-mark-xrefs-as-read group headers gnus-newsgroup-unreads))
6584 ;; Do not switch windows but change the buffer to work.
6585 (set-buffer gnus-group-buffer)
6586 (unless (gnus-ephemeral-group-p group)
6587 (gnus-group-update-group group)))))))
6589 (defun gnus-summary-save-newsrc (&optional force)
6590 "Save the current number of read/marked articles in the dribble buffer.
6591 The dribble buffer will then be saved.
6592 If FORCE (the prefix), also save the .newsrc file(s)."
6594 (gnus-summary-update-info t)
6596 (gnus-save-newsrc-file)
6597 (gnus-dribble-save)))
6599 (defun gnus-summary-exit (&optional temporary leave-hidden)
6600 "Exit reading current newsgroup, and then return to group selection mode.
6601 `gnus-exit-group-hook' is called with no arguments if that value is non-nil."
6603 (gnus-set-global-variables)
6604 (when (gnus-buffer-live-p gnus-article-buffer)
6606 (set-buffer gnus-article-buffer)
6607 (mm-destroy-parts gnus-article-mime-handles)
6608 ;; Set it to nil for safety reason.
6609 (setq gnus-article-mime-handle-alist nil)
6610 (setq gnus-article-mime-handles nil)))
6611 (gnus-kill-save-kill-buffer)
6612 (gnus-async-halt-prefetch)
6613 (let* ((group gnus-newsgroup-name)
6614 (quit-config (gnus-group-quit-config gnus-newsgroup-name))
6615 (gnus-group-is-exiting-p t)
6618 (buf (current-buffer)))
6620 ;; Do adaptive scoring, and possibly save score files.
6621 (when gnus-newsgroup-adaptive
6622 (gnus-score-adaptive))
6623 (when gnus-use-scoring
6625 (gnus-run-hooks 'gnus-summary-prepare-exit-hook)
6626 ;; If we have several article buffers, we kill them at exit.
6627 (unless gnus-single-article-buffer
6628 (gnus-kill-buffer gnus-original-article-buffer)
6629 (setq gnus-article-current nil))
6630 (when gnus-use-cache
6631 (gnus-cache-possibly-remove-articles)
6632 (gnus-cache-save-buffers))
6633 (gnus-async-prefetch-remove-group group)
6634 (when gnus-suppress-duplicates
6635 (gnus-dup-enter-articles))
6636 (when gnus-use-trees
6637 (gnus-tree-close group))
6638 (when gnus-use-cache
6639 (gnus-cache-write-active))
6640 ;; Remove entries for this group.
6641 (nnmail-purge-split-history (gnus-group-real-name group))
6642 ;; Make all changes in this group permanent.
6644 (gnus-run-hooks 'gnus-exit-group-hook)
6645 (gnus-summary-update-info))
6646 (gnus-close-group group)
6647 ;; Make sure where we were, and go to next newsgroup.
6648 (set-buffer gnus-group-buffer)
6650 (gnus-group-jump-to-group group))
6651 (gnus-run-hooks 'gnus-summary-exit-hook)
6652 (unless (or quit-config
6653 ;; If this group has disappeared from the summary
6654 ;; buffer, don't skip forwards.
6655 (not (string= group (gnus-group-group-name))))
6656 (gnus-group-next-unread-group 1))
6657 (setq group-point (point))
6660 ;; If we have several article buffers, we kill them at exit.
6661 (unless gnus-single-article-buffer
6662 (gnus-kill-buffer gnus-article-buffer)
6663 (gnus-kill-buffer gnus-original-article-buffer)
6664 (setq gnus-article-current nil))
6666 (if (not gnus-kill-summary-on-exit)
6668 (gnus-deaden-summary)
6670 ;; We set all buffer-local variables to nil. It is unclear why
6671 ;; this is needed, but if we don't, buffer-local variables are
6672 ;; not garbage-collected, it seems. This would the lead to en
6673 ;; ever-growing Emacs.
6674 (gnus-summary-clear-local-variables)
6675 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
6676 (gnus-summary-clear-local-variables))
6677 (when (get-buffer gnus-article-buffer)
6678 (bury-buffer gnus-article-buffer))
6679 ;; We clear the global counterparts of the buffer-local
6680 ;; variables as well, just to be on the safe side.
6681 (set-buffer gnus-group-buffer)
6682 (gnus-summary-clear-local-variables)
6683 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
6684 (gnus-summary-clear-local-variables))
6685 ;; Return to group mode buffer.
6686 (when (eq mode 'gnus-summary-mode)
6687 (gnus-kill-buffer buf)))
6688 (setq gnus-current-select-method gnus-select-method)
6690 (set-buffer gnus-group-buffer)
6691 (pop-to-buffer gnus-group-buffer))
6692 (if (not quit-config)
6694 (goto-char group-point)
6695 (unless leave-hidden
6696 (gnus-configure-windows 'group 'force)))
6697 (gnus-handle-ephemeral-exit quit-config))
6698 ;; Clear the current group name.
6700 (setq gnus-newsgroup-name nil)))))
6702 (defalias 'gnus-summary-quit 'gnus-summary-exit-no-update)
6703 (defun gnus-summary-exit-no-update (&optional no-questions)
6704 "Quit reading current newsgroup without updating read article info."
6706 (let* ((group gnus-newsgroup-name)
6707 (gnus-group-is-exiting-p t)
6708 (gnus-group-is-exiting-without-update-p t)
6709 (quit-config (gnus-group-quit-config group)))
6710 (when (or no-questions
6712 (gnus-y-or-n-p "Discard changes to this group and exit? "))
6713 (gnus-async-halt-prefetch)
6714 (run-hooks 'gnus-summary-prepare-exit-hook)
6715 (when (gnus-buffer-live-p gnus-article-buffer)
6717 (set-buffer gnus-article-buffer)
6718 (mm-destroy-parts gnus-article-mime-handles)
6719 ;; Set it to nil for safety reason.
6720 (setq gnus-article-mime-handle-alist nil)
6721 (setq gnus-article-mime-handles nil)))
6722 ;; If we have several article buffers, we kill them at exit.
6723 (unless gnus-single-article-buffer
6724 (gnus-kill-buffer gnus-article-buffer)
6725 (gnus-kill-buffer gnus-original-article-buffer)
6726 (setq gnus-article-current nil))
6727 (if (not gnus-kill-summary-on-exit)
6728 (gnus-deaden-summary)
6729 (gnus-close-group group)
6730 (gnus-summary-clear-local-variables)
6731 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
6732 (gnus-summary-clear-local-variables))
6733 (set-buffer gnus-group-buffer)
6734 (gnus-summary-clear-local-variables)
6735 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
6736 (gnus-summary-clear-local-variables))
6737 (gnus-kill-buffer gnus-summary-buffer))
6738 (unless gnus-single-article-buffer
6739 (setq gnus-article-current nil))
6740 (when gnus-use-trees
6741 (gnus-tree-close group))
6742 (gnus-async-prefetch-remove-group group)
6743 (when (get-buffer gnus-article-buffer)
6744 (bury-buffer gnus-article-buffer))
6745 ;; Return to the group buffer.
6746 (gnus-configure-windows 'group 'force)
6747 ;; Clear the current group name.
6748 (setq gnus-newsgroup-name nil)
6749 (unless (gnus-ephemeral-group-p group)
6750 (gnus-group-update-group group))
6751 (when (equal (gnus-group-group-name) group)
6752 (gnus-group-next-unread-group 1))
6754 (gnus-handle-ephemeral-exit quit-config)))))
6756 (defun gnus-handle-ephemeral-exit (quit-config)
6757 "Handle movement when leaving an ephemeral group.
6758 The state which existed when entering the ephemeral is reset."
6759 (if (not (buffer-name (car quit-config)))
6760 (gnus-configure-windows 'group 'force)
6761 (set-buffer (car quit-config))
6762 (cond ((eq major-mode 'gnus-summary-mode)
6763 (gnus-set-global-variables))
6764 ((eq major-mode 'gnus-article-mode)
6766 ;; The `gnus-summary-buffer' variable may point
6767 ;; to the old summary buffer when using a single
6769 (unless (gnus-buffer-live-p gnus-summary-buffer)
6770 (set-buffer gnus-group-buffer))
6771 (set-buffer gnus-summary-buffer)
6772 (gnus-set-global-variables))))
6773 (if (or (eq (cdr quit-config) 'article)
6774 (eq (cdr quit-config) 'pick))
6776 ;; The current article may be from the ephemeral group
6777 ;; thus it is best that we reload this article
6779 ;; If we're exiting from a large digest, this can be
6780 ;; extremely slow. So, it's better not to reload it. -- jh.
6781 ;;(gnus-summary-show-article)
6782 (if (and (boundp 'gnus-pick-mode) (symbol-value 'gnus-pick-mode))
6783 (gnus-configure-windows 'pick 'force)
6784 (gnus-configure-windows (cdr quit-config) 'force)))
6785 (gnus-configure-windows (cdr quit-config) 'force))
6786 (when (eq major-mode 'gnus-summary-mode)
6787 (gnus-summary-next-subject 1 nil t)
6788 (gnus-summary-recenter)
6789 (gnus-summary-position-point))))
6793 (defvar gnus-dead-summary-mode-map nil)
6795 (unless gnus-dead-summary-mode-map
6796 (setq gnus-dead-summary-mode-map (make-keymap))
6797 (suppress-keymap gnus-dead-summary-mode-map)
6798 (substitute-key-definition
6799 'undefined 'gnus-summary-wake-up-the-dead gnus-dead-summary-mode-map)
6800 (dolist (key '("\C-d" "\r" "\177" [delete]))
6801 (define-key gnus-dead-summary-mode-map
6802 key 'gnus-summary-wake-up-the-dead))
6803 (dolist (key '("q" "Q"))
6804 (define-key gnus-dead-summary-mode-map key 'bury-buffer)))
6806 (defvar gnus-dead-summary-mode nil
6807 "Minor mode for Gnus summary buffers.")
6809 (defun gnus-dead-summary-mode (&optional arg)
6810 "Minor mode for Gnus summary buffers."
6812 (when (eq major-mode 'gnus-summary-mode)
6813 (make-local-variable 'gnus-dead-summary-mode)
6814 (setq gnus-dead-summary-mode
6815 (if (null arg) (not gnus-dead-summary-mode)
6816 (> (prefix-numeric-value arg) 0)))
6817 (when gnus-dead-summary-mode
6819 'gnus-dead-summary-mode " Dead" gnus-dead-summary-mode-map))))
6821 (defun gnus-deaden-summary ()
6822 "Make the current summary buffer into a dead summary buffer."
6823 ;; Kill any previous dead summary buffer.
6824 (when (and gnus-dead-summary
6825 (buffer-name gnus-dead-summary))
6826 (with-current-buffer gnus-dead-summary
6827 (when gnus-dead-summary-mode
6828 (kill-buffer (current-buffer)))))
6829 ;; Make this the current dead summary.
6830 (setq gnus-dead-summary (current-buffer))
6831 (gnus-dead-summary-mode 1)
6832 (let ((name (buffer-name)))
6833 (when (string-match "Summary" name)
6835 (concat (substring name 0 (match-beginning 0)) "Dead "
6836 (substring name (match-beginning 0)))
6840 (defun gnus-kill-or-deaden-summary (buffer)
6841 "Kill or deaden the summary BUFFER."
6843 (when (and (buffer-name buffer)
6844 (not gnus-single-article-buffer))
6845 (with-current-buffer buffer
6846 (gnus-kill-buffer gnus-article-buffer)
6847 (gnus-kill-buffer gnus-original-article-buffer)))
6850 (gnus-kill-summary-on-exit
6851 (when (and gnus-use-trees
6852 (gnus-buffer-exists-p buffer))
6855 (gnus-tree-close gnus-newsgroup-name)))
6856 (gnus-kill-buffer buffer))
6857 ;; Deaden the buffer.
6858 ((gnus-buffer-exists-p buffer)
6861 (gnus-deaden-summary))))))
6863 (defun gnus-summary-wake-up-the-dead (&rest args)
6864 "Wake up the dead summary buffer."
6866 (gnus-dead-summary-mode -1)
6867 (let ((name (buffer-name)))
6868 (when (string-match "Dead " name)
6870 (concat (substring name 0 (match-beginning 0))
6871 (substring name (match-end 0)))
6873 (gnus-message 3 "This dead summary is now alive again"))
6875 ;; Suggested by Andrew Eskilsson <pi92ae@pt.hk-r.se>.
6876 (defun gnus-summary-fetch-faq (&optional faq-dir)
6877 "Fetch the FAQ for the current group.
6878 If FAQ-DIR (the prefix), prompt for a directory to search for the faq
6882 (when current-prefix-arg
6884 "FAQ dir: " (and (listp gnus-group-faq-directory)
6886 gnus-group-faq-directory))))))
6887 (let (gnus-faq-buffer)
6888 (when (setq gnus-faq-buffer
6889 (gnus-group-fetch-faq gnus-newsgroup-name faq-dir))
6890 (gnus-configure-windows 'summary-faq))))
6892 ;; Suggested by Per Abrahamsen <amanda@iesd.auc.dk>.
6893 (defun gnus-summary-describe-group (&optional force)
6894 "Describe the current newsgroup."
6896 (gnus-group-describe-group force gnus-newsgroup-name))
6898 (defun gnus-summary-describe-briefly ()
6899 "Describe summary mode commands briefly."
6901 (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")))
6903 ;; Walking around group mode buffer from summary mode.
6905 (defun gnus-summary-next-group (&optional no-article target-group backward)
6906 "Exit current newsgroup and then select next unread newsgroup.
6907 If prefix argument NO-ARTICLE is non-nil, no article is selected
6908 initially. If TARGET-GROUP, go to this group. If BACKWARD, go to
6909 previous group instead."
6911 ;; Stop pre-fetching.
6912 (gnus-async-halt-prefetch)
6913 (let ((current-group gnus-newsgroup-name)
6914 (current-buffer (current-buffer))
6916 ;; First we semi-exit this group to update Xrefs and all variables.
6917 ;; We can't do a real exit, because the window conf must remain
6918 ;; the same in case the user is prompted for info, and we don't
6919 ;; want the window conf to change before that...
6920 (gnus-summary-exit t)
6921 (while (not entered)
6922 ;; Then we find what group we are supposed to enter.
6923 (set-buffer gnus-group-buffer)
6924 (gnus-group-jump-to-group current-group)
6927 (if (eq gnus-keep-same-level 'best)
6928 (gnus-summary-best-group gnus-newsgroup-name)
6929 (gnus-summary-search-group backward gnus-keep-same-level))))
6930 (if (not target-group)
6931 ;; There are no further groups, so we return to the group
6934 (gnus-message 5 "Returning to the group buffer")
6936 (when (gnus-buffer-live-p current-buffer)
6937 (set-buffer current-buffer)
6938 (gnus-summary-exit))
6939 (gnus-run-hooks 'gnus-group-no-more-groups-hook))
6940 ;; We try to enter the target group.
6941 (gnus-group-jump-to-group target-group)
6942 (let ((unreads (gnus-group-group-unread)))
6943 (if (and (or (eq t unreads)
6944 (and unreads (not (zerop unreads))))
6945 (gnus-summary-read-group
6946 target-group nil no-article
6947 (and (buffer-name current-buffer) current-buffer)
6950 (setq current-group target-group
6951 target-group nil)))))))
6953 (defun gnus-summary-prev-group (&optional no-article)
6954 "Exit current newsgroup and then select previous unread newsgroup.
6955 If prefix argument NO-ARTICLE is non-nil, no article is selected initially."
6957 (gnus-summary-next-group no-article nil t))
6959 ;; Walking around summary lines.
6961 (defun gnus-summary-first-subject (&optional unread undownloaded unseen)
6962 "Go to the first subject satisfying any non-nil constraint.
6963 If UNREAD is non-nil, the article should be unread.
6964 If UNDOWNLOADED is non-nil, the article should be undownloaded.
6965 If UNSEEN is non-nil, the article should be unseen.
6966 Returns the article selected or nil if there are no matching articles."
6970 ((null gnus-newsgroup-data)
6971 (gnus-message 3 "No articles in the group")
6973 ;; Pick the first article.
6974 ((not (or unread undownloaded unseen))
6975 (goto-char (gnus-data-pos (car gnus-newsgroup-data)))
6976 (gnus-data-number (car gnus-newsgroup-data)))
6977 ;; Find the first unread article.
6979 (let ((data gnus-newsgroup-data))
6981 (let ((num (gnus-data-number (car data))))
6982 (or (memq num gnus-newsgroup-unfetched)
6983 (not (or (and unread
6984 (memq num gnus-newsgroup-unreads))
6986 (memq num gnus-newsgroup-undownloaded))
6988 (memq num gnus-newsgroup-unseen)))))))
6989 (setq data (cdr data)))
6993 (goto-char (gnus-data-pos (car data)))
6994 (gnus-data-number (car data)))
6995 (gnus-message 3 "No more%s articles"
6996 (let* ((r (when unread " unread"))
6997 (d (when undownloaded " undownloaded"))
6998 (s (when unseen " unseen"))
6999 (l (delq nil (list r d s))))
7000 (cond ((= 3 (length l))
7001 (concat r "," d ", or" s))
7003 (concat (car l) ", or" (cadr l)))
7010 (gnus-summary-position-point))))))
7012 (defun gnus-summary-next-subject (n &optional unread dont-display)
7013 "Go to next N'th summary line.
7014 If N is negative, go to the previous N'th subject line.
7015 If UNREAD is non-nil, only unread articles are selected.
7016 The difference between N and the actual number of steps taken is
7019 (let ((backward (< n 0))
7023 (gnus-summary-find-prev unread)
7024 (gnus-summary-find-next unread)))
7025 (unless (zerop (setq n (1- n)))
7026 (gnus-summary-show-thread)))
7028 (gnus-message 7 "No more%s articles"
7029 (if unread " unread" "")))
7030 (unless dont-display
7031 (gnus-summary-recenter)
7032 (gnus-summary-position-point))
7035 (defun gnus-summary-next-unread-subject (n)
7036 "Go to next N'th unread summary line."
7038 (gnus-summary-next-subject n t))
7040 (defun gnus-summary-prev-subject (n &optional unread)
7041 "Go to previous N'th summary line.
7042 If optional argument UNREAD is non-nil, only unread article is selected."
7044 (gnus-summary-next-subject (- n) unread))
7046 (defun gnus-summary-prev-unread-subject (n)
7047 "Go to previous N'th unread summary line."
7049 (gnus-summary-next-subject (- n) t))
7051 (defun gnus-summary-goto-subjects (articles)
7052 "Insert the subject header for ARTICLES in the current buffer."
7054 (dolist (article articles)
7055 (gnus-summary-goto-subject article t)))
7056 (gnus-summary-limit (append articles gnus-newsgroup-limit))
7057 (gnus-summary-position-point))
7059 (defun gnus-summary-goto-subject (article &optional force silent)
7060 "Go the subject line of ARTICLE.
7061 If FORCE, also allow jumping to articles not currently shown."
7062 (interactive "nArticle number: ")
7063 (unless (numberp article)
7064 (error "Article %s is not a number" article))
7066 (data (gnus-data-find article)))
7067 ;; We read in the article if we have to.
7070 (gnus-summary-insert-subject
7072 (if (or (numberp force) (vectorp force)) force)
7074 (setq data (gnus-data-find article)))
7079 (gnus-message 3 "Can't find article %d" article))
7081 (let ((pt (gnus-data-pos data)))
7083 (gnus-summary-set-article-display-arrow pt))
7084 (gnus-summary-position-point)
7087 ;; Walking around summary lines with displaying articles.
7089 (defun gnus-summary-expand-window (&optional arg)
7090 "Make the summary buffer take up the entire Emacs frame.
7091 Given a prefix, will force an `article' buffer configuration."
7094 (gnus-configure-windows 'article 'force)
7095 (gnus-configure-windows 'summary 'force)))
7097 (defun gnus-summary-display-article (article &optional all-header)
7098 "Display ARTICLE in article buffer."
7099 (when (gnus-buffer-live-p gnus-article-buffer)
7100 (with-current-buffer gnus-article-buffer
7101 (mm-enable-multibyte)))
7102 (gnus-set-global-variables)
7103 (when (gnus-buffer-live-p gnus-article-buffer)
7104 (with-current-buffer gnus-article-buffer
7105 (setq gnus-article-charset gnus-newsgroup-charset)
7106 (setq gnus-article-ignored-charsets gnus-newsgroup-ignored-charsets)
7107 (mm-enable-multibyte)))
7111 (if gnus-summary-display-article-function
7112 (funcall gnus-summary-display-article-function article all-header)
7113 (gnus-article-prepare article all-header))
7114 (gnus-run-hooks 'gnus-select-article-hook)
7115 (when (and gnus-current-article
7116 (not (zerop gnus-current-article)))
7117 (gnus-summary-goto-subject gnus-current-article))
7118 (gnus-summary-recenter)
7119 (when (and gnus-use-trees gnus-show-threads)
7120 (gnus-possibly-generate-tree article)
7121 (gnus-highlight-selected-tree article))
7122 ;; Successfully display article.
7123 (gnus-article-set-window-start
7124 (cdr (assq article gnus-newsgroup-bookmarks))))))
7126 (defun gnus-summary-select-article (&optional all-headers force pseudo article)
7127 "Select the current article.
7128 If ALL-HEADERS is non-nil, show all header fields. If FORCE is
7129 non-nil, the article will be re-fetched even if it already present in
7130 the article buffer. If PSEUDO is non-nil, pseudo-articles will also
7132 ;; Make sure we are in the summary buffer to work around bbdb bug.
7133 (unless (eq major-mode 'gnus-summary-mode)
7134 (set-buffer gnus-summary-buffer))
7135 (let ((article (or article (gnus-summary-article-number)))
7136 (all-headers (not (not all-headers))) ;Must be t or nil.
7137 gnus-summary-display-article-function)
7139 (gnus-summary-article-pseudo-p article)
7140 (error "This is a pseudo-article"))
7142 (set-buffer gnus-summary-buffer)
7143 (if (or (and gnus-single-article-buffer
7144 (or (null gnus-current-article)
7145 (null gnus-article-current)
7146 (null (get-buffer gnus-article-buffer))
7147 (not (eq article (cdr gnus-article-current)))
7148 (not (equal (car gnus-article-current)
7149 gnus-newsgroup-name))))
7150 (and (not gnus-single-article-buffer)
7151 (or (null gnus-current-article)
7152 (not (eq gnus-current-article article))))
7154 ;; The requested article is different from the current article.
7156 (gnus-summary-display-article article all-headers)
7157 (when (gnus-buffer-live-p gnus-article-buffer)
7158 (with-current-buffer gnus-article-buffer
7159 (if (not gnus-article-decoded-p) ;; a local variable
7160 (mm-disable-multibyte))))
7161 (gnus-article-set-window-start
7162 (cdr (assq article gnus-newsgroup-bookmarks)))
7166 (defun gnus-summary-force-verify-and-decrypt ()
7167 "Display buttons for signed/encrypted parts and verify/decrypt them."
7169 (let ((mm-verify-option 'known)
7170 (mm-decrypt-option 'known)
7171 (gnus-article-emulate-mime t)
7172 (gnus-buttonized-mime-types (append (list "multipart/signed"
7173 "multipart/encrypted")
7174 gnus-buttonized-mime-types)))
7175 (gnus-summary-select-article nil 'force)))
7177 (defun gnus-summary-set-current-mark (&optional current-mark)
7178 "Obsolete function."
7181 (defun gnus-summary-next-article (&optional unread subject backward push)
7182 "Select the next article.
7183 If UNREAD, only unread articles are selected.
7184 If SUBJECT, only articles with SUBJECT are selected.
7185 If BACKWARD, the previous article is selected instead of the next."
7188 ;; Is there such an article?
7189 ((and (gnus-summary-search-forward unread subject backward)
7190 (or (gnus-summary-display-article (gnus-summary-article-number))
7191 (eq (gnus-summary-article-mark) gnus-canceled-mark)))
7192 (gnus-summary-position-point))
7193 ;; If not, we try the first unread, if that is wanted.
7195 gnus-auto-select-same
7196 (gnus-summary-first-unread-article))
7197 (gnus-summary-position-point)
7198 (gnus-message 6 "Wrapped"))
7199 ;; Try to get next/previous article not displayed in this group.
7200 ((and gnus-auto-extend-newsgroup
7201 (not unread) (not subject))
7202 (gnus-summary-goto-article
7203 (if backward (1- gnus-newsgroup-begin) (1+ gnus-newsgroup-end))
7204 nil (count-lines (point-min) (point))))
7205 ;; Go to next/previous group.
7207 (unless (gnus-ephemeral-group-p gnus-newsgroup-name)
7208 (gnus-summary-jump-to-group gnus-newsgroup-name))
7209 (let ((cmd last-command-char)
7211 (with-current-buffer gnus-group-buffer
7214 (if (eq gnus-keep-same-level 'best)
7215 (gnus-summary-best-group gnus-newsgroup-name)
7216 (gnus-summary-search-group backward gnus-keep-same-level))))
7217 ;; For some reason, the group window gets selected. We change
7219 (select-window (get-buffer-window (current-buffer)))
7220 ;; Select next unread newsgroup automagically.
7222 ((or (not gnus-auto-select-next)
7224 (gnus-message 7 "No more%s articles" (if unread " unread" "")))
7225 ((or (eq gnus-auto-select-next 'quietly)
7226 (and (eq gnus-auto-select-next 'slightly-quietly)
7228 (and (eq gnus-auto-select-next 'almost-quietly)
7229 (gnus-summary-last-article-p)))
7231 (if (gnus-ephemeral-group-p gnus-newsgroup-name)
7233 (gnus-message 7 "No more%s articles (%s)..."
7234 (if unread " unread" "")
7235 (if group (concat "selecting " group)
7237 (gnus-summary-next-group nil group backward)))
7239 (when (gnus-key-press-event-p last-input-event)
7240 (gnus-summary-walk-group-buffer
7241 gnus-newsgroup-name cmd unread backward point))))))))
7243 (defun gnus-summary-walk-group-buffer (from-group cmd unread backward start)
7244 (let ((keystrokes '((?\C-n (gnus-group-next-unread-group 1))
7245 (?\C-p (gnus-group-prev-unread-group 1))))
7246 (cursor-in-echo-area t)
7247 keve key group ended prompt)
7249 (set-buffer gnus-group-buffer)
7252 (if (eq gnus-keep-same-level 'best)
7253 (gnus-summary-best-group gnus-newsgroup-name)
7254 (gnus-summary-search-group backward gnus-keep-same-level))))
7258 "No more%s articles%s " (if unread " unread" "")
7260 (not (gnus-ephemeral-group-p gnus-newsgroup-name)))
7261 (format " (Type %s for %s [%s])"
7262 (single-key-description cmd) group
7263 (gnus-group-unread group))
7264 (format " (Type %s to exit %s)"
7265 (single-key-description cmd)
7266 gnus-newsgroup-name))))
7267 ;; Confirm auto selection.
7268 (setq key (car (setq keve (gnus-read-event-char prompt)))
7271 ((assq key keystrokes)
7272 (let ((obuf (current-buffer)))
7273 (switch-to-buffer gnus-group-buffer)
7275 (gnus-group-jump-to-group group))
7276 (eval (cadr (assq key keystrokes)))
7277 (setq group (gnus-group-group-name))
7278 (switch-to-buffer obuf))
7282 (gnus-ephemeral-group-p gnus-newsgroup-name))
7284 (gnus-summary-next-group nil group backward)))
7286 (push (cdr keve) unread-command-events))))))
7288 (defun gnus-summary-next-unread-article ()
7289 "Select unread article after current one."
7291 (gnus-summary-next-article
7292 (or (not (eq gnus-summary-goto-unread 'never))
7293 (gnus-summary-last-article-p (gnus-summary-article-number)))
7294 (and gnus-auto-select-same
7295 (gnus-summary-article-subject))))
7297 (defun gnus-summary-prev-article (&optional unread subject)
7298 "Select the article after the current one.
7299 If UNREAD is non-nil, only unread articles are selected."
7301 (gnus-summary-next-article unread subject t))
7303 (defun gnus-summary-prev-unread-article ()
7304 "Select unread article before current one."
7306 (gnus-summary-prev-article
7307 (or (not (eq gnus-summary-goto-unread 'never))
7308 (gnus-summary-first-article-p (gnus-summary-article-number)))
7309 (and gnus-auto-select-same
7310 (gnus-summary-article-subject))))
7312 (defun gnus-summary-next-page (&optional lines circular stop)
7313 "Show next page of the selected article.
7314 If at the end of the current article, select the next article.
7315 LINES says how many lines should be scrolled up.
7317 If CIRCULAR is non-nil, go to the start of the article instead of
7318 selecting the next article when reaching the end of the current
7321 If STOP is non-nil, just stop when reaching the end of the message.
7323 Also see the variable `gnus-article-skip-boring'."
7325 (setq gnus-summary-buffer (current-buffer))
7326 (gnus-set-global-variables)
7327 (let ((article (gnus-summary-article-number))
7328 (article-window (get-buffer-window gnus-article-buffer t))
7330 ;; If the buffer is empty, we have no article.
7332 (error "No article to select"))
7333 (gnus-configure-windows 'article)
7334 (if (eq (cdr (assq article gnus-newsgroup-reads)) gnus-canceled-mark)
7335 (if (and (eq gnus-summary-goto-unread 'never)
7336 (not (gnus-summary-last-article-p article)))
7337 (gnus-summary-next-article)
7338 (gnus-summary-next-unread-article))
7339 (if (or (null gnus-current-article)
7340 (null gnus-article-current)
7341 (/= article (cdr gnus-article-current))
7342 (not (equal (car gnus-article-current) gnus-newsgroup-name)))
7343 ;; Selected subject is different from current article's.
7344 (gnus-summary-display-article article)
7345 (when article-window
7346 (gnus-eval-in-buffer-window gnus-article-buffer
7347 (setq endp (or (gnus-article-next-page lines)
7348 (gnus-article-only-boring-p))))
7351 (gnus-message 3 "End of message"))
7353 (gnus-summary-beginning-of-article))
7355 (gnus-message 3 "End of message"))
7357 (if (and (eq gnus-summary-goto-unread 'never)
7358 (not (gnus-summary-last-article-p article)))
7359 (gnus-summary-next-article)
7360 (gnus-summary-next-unread-article))))))))
7361 (gnus-summary-recenter)
7362 (gnus-summary-position-point)))
7364 (defun gnus-summary-prev-page (&optional lines move)
7365 "Show previous page of selected article.
7366 Argument LINES specifies lines to be scrolled down.
7367 If MOVE, move to the previous unread article if point is at
7368 the beginning of the buffer."
7370 (let ((article (gnus-summary-article-number))
7371 (article-window (get-buffer-window gnus-article-buffer t))
7373 (gnus-configure-windows 'article)
7374 (if (or (null gnus-current-article)
7375 (null gnus-article-current)
7376 (/= article (cdr gnus-article-current))
7377 (not (equal (car gnus-article-current) gnus-newsgroup-name)))
7378 ;; Selected subject is different from current article's.
7379 (gnus-summary-display-article article)
7380 (gnus-summary-recenter)
7381 (when article-window
7382 (gnus-eval-in-buffer-window gnus-article-buffer
7383 (setq endp (gnus-article-prev-page lines)))
7384 (when (and move endp)
7386 (gnus-message 3 "Beginning of message"))
7388 (if (and (eq gnus-summary-goto-unread 'never)
7389 (not (gnus-summary-first-article-p article)))
7390 (gnus-summary-prev-article)
7391 (gnus-summary-prev-unread-article))))))))
7392 (gnus-summary-position-point))
7394 (defun gnus-summary-prev-page-or-article (&optional lines)
7395 "Show previous page of selected article.
7396 Argument LINES specifies lines to be scrolled down.
7397 If at the beginning of the article, go to the next article."
7399 (gnus-summary-prev-page lines t))
7401 (defun gnus-summary-scroll-up (lines)
7402 "Scroll up (or down) one line current article.
7403 Argument LINES specifies lines to be scrolled up (or down if negative)."
7405 (gnus-configure-windows 'article)
7406 (gnus-summary-show-thread)
7407 (when (eq (gnus-summary-select-article nil nil 'pseudo) 'old)
7408 (gnus-eval-in-buffer-window gnus-article-buffer
7410 (when (gnus-article-next-page lines)
7411 (gnus-message 3 "End of message")))
7413 (gnus-article-prev-page (- lines))))))
7414 (gnus-summary-recenter)
7415 (gnus-summary-position-point))
7417 (defun gnus-summary-scroll-down (lines)
7418 "Scroll down (or up) one line current article.
7419 Argument LINES specifies lines to be scrolled down (or up if negative)."
7421 (gnus-summary-scroll-up (- lines)))
7423 (defun gnus-summary-next-same-subject ()
7424 "Select next article which has the same subject as current one."
7426 (gnus-summary-next-article nil (gnus-summary-article-subject)))
7428 (defun gnus-summary-prev-same-subject ()
7429 "Select previous article which has the same subject as current one."
7431 (gnus-summary-prev-article nil (gnus-summary-article-subject)))
7433 (defun gnus-summary-next-unread-same-subject ()
7434 "Select next unread article which has the same subject as current one."
7436 (gnus-summary-next-article t (gnus-summary-article-subject)))
7438 (defun gnus-summary-prev-unread-same-subject ()
7439 "Select previous unread article which has the same subject as current one."
7441 (gnus-summary-prev-article t (gnus-summary-article-subject)))
7443 (defun gnus-summary-first-unread-article ()
7444 "Select the first unread article.
7445 Return nil if there are no unread articles."
7448 (when (gnus-summary-first-subject t)
7449 (gnus-summary-show-thread)
7450 (gnus-summary-first-subject t)
7451 (gnus-summary-display-article (gnus-summary-article-number)))
7452 (gnus-summary-position-point)))
7454 (defun gnus-summary-first-unread-subject ()
7455 "Place the point on the subject line of the first unread article.
7456 Return nil if there are no unread articles."
7459 (when (gnus-summary-first-subject t)
7460 (gnus-summary-show-thread)
7461 (gnus-summary-first-subject t))
7462 (gnus-summary-position-point)))
7464 (defun gnus-summary-first-unseen-subject ()
7465 "Place the point on the subject line of the first unseen article.
7466 Return nil if there are no unseen articles."
7469 (when (gnus-summary-first-subject nil nil t)
7470 (gnus-summary-show-thread)
7471 (gnus-summary-first-subject nil nil t))
7472 (gnus-summary-position-point)))
7474 (defun gnus-summary-first-unseen-or-unread-subject ()
7475 "Place the point on the subject line of the first unseen article or,
7476 if all article have been seen, on the subject line of the first unread
7480 (unless (when (gnus-summary-first-subject nil nil t)
7481 (gnus-summary-show-thread)
7482 (gnus-summary-first-subject nil nil t))
7483 (when (gnus-summary-first-subject t)
7484 (gnus-summary-show-thread)
7485 (gnus-summary-first-subject t)))
7486 (gnus-summary-position-point)))
7488 (defun gnus-summary-first-article ()
7489 "Select the first article.
7490 Return nil if there are no articles."
7493 (when (gnus-summary-first-subject)
7494 (gnus-summary-show-thread)
7495 (gnus-summary-first-subject)
7496 (gnus-summary-display-article (gnus-summary-article-number)))
7497 (gnus-summary-position-point)))
7499 (defun gnus-summary-best-unread-article (&optional arg)
7500 "Select the unread article with the highest score.
7501 If given a prefix argument, select the next unread article that has a
7502 score higher than the default score."
7504 (let ((article (if arg
7505 (gnus-summary-better-unread-subject)
7506 (gnus-summary-best-unread-subject))))
7508 (gnus-summary-goto-article article)
7509 (error "No unread articles"))))
7511 (defun gnus-summary-best-unread-subject ()
7512 "Select the unread subject with the highest score."
7514 (let ((best -1000000)
7515 (data gnus-newsgroup-data)
7518 (and (gnus-data-unread-p (car data))
7520 (gnus-summary-article-score (gnus-data-number (car data))))
7523 article (gnus-data-number (car data))))
7524 (setq data (cdr data)))
7526 (gnus-summary-goto-subject article))
7527 (gnus-summary-position-point)
7530 (defun gnus-summary-better-unread-subject ()
7531 "Select the first unread subject that has a score over the default score."
7533 (let ((data gnus-newsgroup-data)
7535 (while (and (setq article (gnus-data-number (car data)))
7536 (or (gnus-data-read-p (car data))
7537 (not (> (gnus-summary-article-score article)
7538 gnus-summary-default-score))))
7539 (setq data (cdr data)))
7541 (gnus-summary-goto-subject article))
7542 (gnus-summary-position-point)
7545 (defun gnus-summary-last-subject ()
7546 "Go to the last displayed subject line in the group."
7547 (let ((article (gnus-data-number (car (gnus-data-list t)))))
7549 (gnus-summary-goto-subject article))))
7551 (defun gnus-summary-goto-article (article &optional all-headers force)
7552 "Fetch ARTICLE (article number or Message-ID) and display it if it exists.
7553 If ALL-HEADERS is non-nil, no header lines are hidden.
7554 If FORCE, go to the article even if it isn't displayed. If FORCE
7555 is a number, it is the line the article is to be displayed on."
7559 "Article number or Message-ID: "
7560 (mapcar (lambda (number) (list (int-to-string number)))
7561 gnus-newsgroup-limit))
7565 (if (and (stringp article)
7566 (string-match "@\\|%40" article))
7567 (gnus-summary-refer-article article)
7568 (when (stringp article)
7569 (setq article (string-to-number article)))
7570 (if (gnus-summary-goto-subject article force)
7571 (gnus-summary-display-article article all-headers)
7572 (gnus-message 4 "Couldn't go to article %s" article) nil))
7573 (gnus-summary-position-point)))
7575 (defun gnus-summary-goto-last-article ()
7576 "Go to the previously read article."
7579 (when gnus-last-article
7580 (gnus-summary-goto-article gnus-last-article nil t))
7581 (gnus-summary-position-point)))
7583 (defun gnus-summary-pop-article (number)
7584 "Pop one article off the history and go to the previous.
7585 NUMBER articles will be popped off."
7588 (setq gnus-newsgroup-history
7589 (cdr (setq to (nthcdr number gnus-newsgroup-history))))
7591 (gnus-summary-goto-article (car to) nil t)
7592 (error "Article history empty")))
7593 (gnus-summary-position-point))
7595 ;; Summary commands and functions for limiting the summary buffer.
7597 (defun gnus-summary-limit-to-articles (n)
7598 "Limit the summary buffer to the next N articles.
7599 If not given a prefix, use the process marked articles instead."
7602 (let ((articles (gnus-summary-work-articles n)))
7603 (setq gnus-newsgroup-processable nil)
7604 (gnus-summary-limit articles))
7605 (gnus-summary-position-point)))
7607 (defun gnus-summary-pop-limit (&optional total)
7608 "Restore the previous limit.
7609 If given a prefix, remove all limits."
7612 (setq gnus-newsgroup-limits
7613 (list (mapcar (lambda (h) (mail-header-number h))
7614 gnus-newsgroup-headers))))
7615 (unless gnus-newsgroup-limits
7616 (error "No limit to pop"))
7618 (gnus-summary-limit nil 'pop)
7619 (gnus-summary-position-point)))
7621 (defun gnus-summary-limit-to-subject (subject &optional header not-matching)
7622 "Limit the summary buffer to articles that have subjects that match a regexp.
7623 If NOT-MATCHING, excluding articles that have subjects that match a regexp."
7625 (list (read-string (if current-prefix-arg
7626 "Exclude subject (regexp): "
7627 "Limit to subject (regexp): "))
7628 nil current-prefix-arg))
7630 (setq header "subject"))
7631 (when (not (equal "" subject))
7633 (let ((articles (gnus-summary-find-matching
7634 (or header "subject") subject 'all nil nil
7637 (error "Found no matches for \"%s\"" subject))
7638 (gnus-summary-limit articles))
7639 (gnus-summary-position-point))))
7641 (defun gnus-summary-limit-to-author (from &optional not-matching)
7642 "Limit the summary buffer to articles that have authors that match a regexp.
7643 If NOT-MATCHING, excluding articles that have authors that match a regexp."
7645 (list (read-string (if current-prefix-arg
7646 "Exclude author (regexp): "
7647 "Limit to author (regexp): "))
7648 current-prefix-arg))
7649 (gnus-summary-limit-to-subject from "from" not-matching))
7651 (defun gnus-summary-limit-to-age (age &optional younger-p)
7652 "Limit the summary buffer to articles that are older than (or equal) AGE days.
7653 If YOUNGER-P (the prefix) is non-nil, limit the summary buffer to
7654 articles that are younger than AGE days."
7656 (let ((younger current-prefix-arg)
7659 (while (not days-got)
7660 (setq days (if younger
7661 (read-string "Limit to articles younger than (in days, older when negative): ")
7663 "Limit to articles older than (in days, younger when negative): ")))
7664 (when (> (length days) 0)
7665 (setq days (read days)))
7670 (setq younger (not younger))
7671 (setq days (* days -1))))
7672 (message "Please enter a number.")
7674 (list days younger)))
7676 (let ((data gnus-newsgroup-data)
7677 (cutoff (days-to-time age))
7678 articles d date is-younger)
7679 (while (setq d (pop data))
7680 (when (and (vectorp (gnus-data-header d))
7681 (setq date (mail-header-date (gnus-data-header d))))
7682 (setq is-younger (time-less-p
7683 (time-since (condition-case ()
7690 (push (gnus-data-number d) articles))))
7691 (gnus-summary-limit (nreverse articles)))
7692 (gnus-summary-position-point)))
7694 (defun gnus-summary-limit-to-extra (header regexp &optional not-matching)
7695 "Limit the summary buffer to articles that match an 'extra' header."
7699 (gnus-completing-read-with-default
7700 (symbol-name (car gnus-extra-headers))
7701 (if current-prefix-arg
7702 "Exclude extra header:"
7703 "Limit extra header:")
7705 (cons (symbol-name x) x))
7710 (read-string (format "%s header %s (regexp): "
7711 (if current-prefix-arg "Exclude" "Limit to")
7713 current-prefix-arg)))
7714 (when (not (equal "" regexp))
7716 (let ((articles (gnus-summary-find-matching
7717 (cons 'extra header) regexp 'all nil nil
7720 (error "Found no matches for \"%s\"" regexp))
7721 (gnus-summary-limit articles))
7722 (gnus-summary-position-point))))
7724 (defun gnus-summary-limit-to-display-predicate ()
7725 "Limit the summary buffer to the predicated in the `display' group parameter."
7727 (unless gnus-newsgroup-display
7728 (error "There is no `display' group parameter"))
7730 (dolist (number gnus-newsgroup-articles)
7731 (when (funcall gnus-newsgroup-display)
7732 (push number articles)))
7733 (gnus-summary-limit articles))
7734 (gnus-summary-position-point))
7736 (defalias 'gnus-summary-delete-marked-as-read 'gnus-summary-limit-to-unread)
7738 'gnus-summary-delete-marked-as-read 'gnus-summary-limit-to-unread)
7740 (defun gnus-summary-limit-to-unread (&optional all)
7741 "Limit the summary buffer to articles that are not marked as read.
7742 If ALL is non-nil, limit strictly to unread articles."
7745 (gnus-summary-limit-to-marks (char-to-string gnus-unread-mark))
7746 (gnus-summary-limit-to-marks
7747 ;; Concat all the marks that say that an article is read and have
7749 (list gnus-del-mark gnus-read-mark gnus-ancient-mark
7750 gnus-killed-mark gnus-spam-mark gnus-kill-file-mark
7751 gnus-low-score-mark gnus-expirable-mark
7752 gnus-canceled-mark gnus-catchup-mark gnus-sparse-mark
7753 gnus-duplicate-mark gnus-souped-mark)
7756 (defun gnus-summary-limit-to-replied (&optional unreplied)
7757 "Limit the summary buffer to replied articles.
7758 If UNREPLIED (the prefix), limit to unreplied articles."
7762 (gnus-set-difference gnus-newsgroup-articles
7763 gnus-newsgroup-replied))
7764 (gnus-summary-limit gnus-newsgroup-replied))
7765 (gnus-summary-position-point))
7767 (defalias 'gnus-summary-delete-marked-with 'gnus-summary-limit-exclude-marks)
7768 (make-obsolete 'gnus-summary-delete-marked-with
7769 'gnus-summary-limit-exclude-marks)
7771 (defun gnus-summary-limit-exclude-marks (marks &optional reverse)
7772 "Exclude articles that are marked with MARKS (e.g. \"DK\").
7773 If REVERSE, limit the summary buffer to articles that are marked
7774 with MARKS. MARKS can either be a string of marks or a list of marks.
7775 Returns how many articles were removed."
7776 (interactive "sMarks: ")
7777 (gnus-summary-limit-to-marks marks t))
7779 (defun gnus-summary-limit-to-marks (marks &optional reverse)
7780 "Limit the summary buffer to articles that are marked with MARKS (e.g. \"DK\").
7781 If REVERSE (the prefix), limit the summary buffer to articles that are
7782 not marked with MARKS. MARKS can either be a string of marks or a
7784 Returns how many articles were removed."
7785 (interactive "sMarks: \nP")
7787 (let ((data gnus-newsgroup-data)
7788 (marks (if (listp marks) marks
7789 (append marks nil))) ; Transform to list.
7792 (when (if reverse (not (memq (gnus-data-mark (car data)) marks))
7793 (memq (gnus-data-mark (car data)) marks))
7794 (push (gnus-data-number (car data)) articles))
7795 (setq data (cdr data)))
7796 (gnus-summary-limit articles))
7797 (gnus-summary-position-point)))
7799 (defun gnus-summary-limit-to-score (score)
7800 "Limit to articles with score at or above SCORE."
7801 (interactive "NLimit to articles with score of at least: ")
7802 (let ((data gnus-newsgroup-data)
7805 (when (>= (gnus-summary-article-score (gnus-data-number (car data)))
7807 (push (gnus-data-number (car data)) articles))
7808 (setq data (cdr data)))
7810 (gnus-summary-limit articles)
7811 (gnus-summary-position-point))))
7813 (defun gnus-summary-limit-to-unseen ()
7814 "Limit to unseen articles."
7817 (gnus-summary-limit gnus-newsgroup-unseen)
7818 (gnus-summary-position-point)))
7820 (defun gnus-summary-limit-include-thread (id)
7821 "Display all the hidden articles that is in the thread with ID in it.
7822 When called interactively, ID is the Message-ID of the current
7824 (interactive (list (mail-header-id (gnus-summary-article-header))))
7825 (let ((articles (gnus-articles-in-thread
7826 (gnus-id-to-thread (gnus-root-id id)))))
7828 (gnus-summary-limit (nconc articles gnus-newsgroup-limit))
7829 (gnus-summary-limit-include-matching-articles
7831 (regexp-quote (gnus-simplify-subject-re
7832 (mail-header-subject (gnus-id-to-header id)))))
7833 (gnus-summary-position-point))))
7835 (defun gnus-summary-limit-include-matching-articles (header regexp)
7836 "Display all the hidden articles that have HEADERs that match REGEXP."
7837 (interactive (list (read-string "Match on header: ")
7838 (read-string "Regexp: ")))
7839 (let ((articles (gnus-find-matching-articles header regexp)))
7841 (gnus-summary-limit (nconc articles gnus-newsgroup-limit))
7842 (gnus-summary-position-point))))
7844 (defun gnus-summary-insert-dormant-articles ()
7845 "Insert all the dormant articles for this group into the current buffer."
7847 (let ((gnus-verbose (max 6 gnus-verbose)))
7848 (if (not gnus-newsgroup-dormant)
7849 (gnus-message 3 "No cached articles for this group")
7850 (gnus-summary-goto-subjects gnus-newsgroup-dormant))))
7852 (defun gnus-summary-limit-include-dormant ()
7853 "Display all the hidden articles that are marked as dormant.
7854 Note that this command only works on a subset of the articles currently
7855 fetched for this group."
7857 (unless gnus-newsgroup-dormant
7858 (error "There are no dormant articles in this group"))
7860 (gnus-summary-limit (append gnus-newsgroup-dormant gnus-newsgroup-limit))
7861 (gnus-summary-position-point)))
7863 (defun gnus-summary-limit-exclude-dormant ()
7864 "Hide all dormant articles."
7867 (gnus-summary-limit-to-marks (list gnus-dormant-mark) 'reverse)
7868 (gnus-summary-position-point)))
7870 (defun gnus-summary-limit-exclude-childless-dormant ()
7871 "Hide all dormant articles that have no children."
7873 (let ((data (gnus-data-list t))
7874 articles d children)
7875 ;; Find all articles that are either not dormant or have
7877 (while (setq d (pop data))
7878 (when (or (not (= (gnus-data-mark d) gnus-dormant-mark))
7880 (gnus-article-children (gnus-data-number d)))
7883 (when (memq (car children) articles)
7888 (push (gnus-data-number d) articles)))
7891 (gnus-summary-limit articles)
7892 (gnus-summary-position-point))))
7894 (defun gnus-summary-limit-mark-excluded-as-read (&optional all)
7895 "Mark all unread excluded articles as read.
7896 If ALL, mark even excluded ticked and dormants as read."
7898 (setq gnus-newsgroup-limit (sort gnus-newsgroup-limit '<))
7899 (let ((articles (gnus-sorted-ndifference
7901 (mapcar (lambda (h) (mail-header-number h))
7902 gnus-newsgroup-headers)
7904 gnus-newsgroup-limit))
7906 (setq gnus-newsgroup-unreads
7907 (gnus-sorted-intersection gnus-newsgroup-unreads
7908 gnus-newsgroup-limit))
7910 (setq gnus-newsgroup-dormant nil
7911 gnus-newsgroup-marked nil
7912 gnus-newsgroup-reads
7914 (mapcar (lambda (n) (cons n gnus-catchup-mark)) articles)
7915 gnus-newsgroup-reads))
7916 (while (setq article (pop articles))
7917 (unless (or (memq article gnus-newsgroup-dormant)
7918 (memq article gnus-newsgroup-marked))
7919 (push (cons article gnus-catchup-mark) gnus-newsgroup-reads))))))
7921 (defun gnus-summary-limit (articles &optional pop)
7923 ;; We pop the previous limit off the stack and use that.
7924 (setq articles (car gnus-newsgroup-limits)
7925 gnus-newsgroup-limits (cdr gnus-newsgroup-limits))
7926 ;; We use the new limit, so we push the old limit on the stack.
7927 (push gnus-newsgroup-limit gnus-newsgroup-limits))
7929 (setq gnus-newsgroup-limit articles)
7930 (let ((total (length gnus-newsgroup-data))
7931 (data (gnus-data-find-list (gnus-summary-article-number)))
7932 (gnus-summary-mark-below nil) ; Inhibit this.
7934 ;; This will do all the work of generating the new summary buffer
7935 ;; according to the new limit.
7936 (gnus-summary-prepare)
7937 ;; Hide any threads, possibly.
7938 (gnus-summary-maybe-hide-threads)
7939 ;; Try to return to the article you were at, or one in the
7942 ;; We try to find some article after the current one.
7944 (when (gnus-summary-goto-subject (gnus-data-number (car data)) nil t)
7947 (setq data (cdr data))))
7949 ;; If there is no data, that means that we were after the last
7950 ;; article. The same goes when we can't find any articles
7951 ;; after the current one.
7952 (goto-char (point-max))
7953 (gnus-summary-find-prev))
7954 (gnus-set-mode-line 'summary)
7955 ;; We return how many articles were removed from the summary
7956 ;; buffer as a result of the new limit.
7957 (- total (length gnus-newsgroup-data))))
7959 (defsubst gnus-invisible-cut-children (threads)
7962 (when (memq (mail-header-number (caar threads)) gnus-newsgroup-limit)
7967 (defsubst gnus-cut-thread (thread)
7968 "Go forwards in the thread until we find an article that we want to display."
7969 (when (or (eq gnus-fetch-old-headers 'some)
7970 (eq gnus-fetch-old-headers 'invisible)
7971 (numberp gnus-fetch-old-headers)
7972 (eq gnus-build-sparse-threads 'some)
7973 (eq gnus-build-sparse-threads 'more))
7974 ;; Deal with old-fetched headers and sparse threads.
7978 (gnus-summary-article-sparse-p (mail-header-number (car thread)))
7979 (gnus-summary-article-ancient-p
7980 (mail-header-number (car thread))))
7981 (if (or (<= (length (cdr thread)) 1)
7982 (eq gnus-fetch-old-headers 'invisible))
7983 (setq gnus-newsgroup-limit
7984 (delq (mail-header-number (car thread))
7985 gnus-newsgroup-limit)
7986 thread (cadr thread))
7987 (when (gnus-invisible-cut-children (cdr thread))
7988 (let ((th (cdr thread)))
7990 (if (memq (mail-header-number (caar th))
7991 gnus-newsgroup-limit)
7992 (setq thread (car th)
7994 (setq th (cdr th))))))))))
7997 (defun gnus-cut-threads (threads)
7998 "Cut off all uninteresting articles from the beginning of THREADS."
7999 (when (or (eq gnus-fetch-old-headers 'some)
8000 (eq gnus-fetch-old-headers 'invisible)
8001 (numberp gnus-fetch-old-headers)
8002 (eq gnus-build-sparse-threads 'some)
8003 (eq gnus-build-sparse-threads 'more))
8006 (setcar th (gnus-cut-thread (car th)))
8007 (setq th (cdr th)))))
8008 ;; Remove nixed out threads.
8011 (defun gnus-summary-initial-limit (&optional show-if-empty)
8012 "Figure out what the initial limit is supposed to be on group entry.
8013 This entails weeding out unwanted dormants, low-scored articles,
8014 fetch-old-headers verbiage, and so on."
8015 ;; Most groups have nothing to remove.
8016 (if (or gnus-inhibit-limiting
8017 (and (null gnus-newsgroup-dormant)
8018 (eq gnus-newsgroup-display 'gnus-not-ignore)
8019 (not (eq gnus-fetch-old-headers 'some))
8020 (not (numberp gnus-fetch-old-headers))
8021 (not (eq gnus-fetch-old-headers 'invisible))
8022 (null gnus-summary-expunge-below)
8023 (not (eq gnus-build-sparse-threads 'some))
8024 (not (eq gnus-build-sparse-threads 'more))
8025 (null gnus-thread-expunge-below)
8026 (not gnus-use-nocem)))
8028 (push gnus-newsgroup-limit gnus-newsgroup-limits)
8029 (setq gnus-newsgroup-limit nil)
8032 (unless (car (symbol-value node))
8033 ;; These threads have no parents -- they are roots.
8034 (let ((nodes (cdr (symbol-value node)))
8037 (if (and gnus-thread-expunge-below
8038 (< (gnus-thread-total-score (car nodes))
8039 gnus-thread-expunge-below))
8040 (gnus-expunge-thread (pop nodes))
8041 (setq thread (pop nodes))
8042 (gnus-summary-limit-children thread))))))
8043 gnus-newsgroup-dependencies)
8044 ;; If this limitation resulted in an empty group, we might
8045 ;; pop the previous limit and use it instead.
8046 (when (and (not gnus-newsgroup-limit)
8048 (setq gnus-newsgroup-limit (pop gnus-newsgroup-limits)))
8049 gnus-newsgroup-limit))
8051 (defun gnus-summary-limit-children (thread)
8052 "Return 1 if this subthread is visible and 0 if it is not."
8053 ;; First we get the number of visible children to this thread. This
8054 ;; is done by recursing down the thread using this function, so this
8055 ;; will really go down to a leaf article first, before slowly
8056 ;; working its way up towards the root.
8058 (let* ((max-lisp-eval-depth 5000)
8061 (apply '+ (mapcar 'gnus-summary-limit-children
8064 (number (mail-header-number (car thread)))
8067 (not (memq number gnus-newsgroup-marked))
8069 ;; If this article is dormant and has absolutely no visible
8070 ;; children, then this article isn't visible.
8071 (and (memq number gnus-newsgroup-dormant)
8073 ;; If this is "fetch-old-headered" and there is no
8074 ;; visible children, then we don't want this article.
8075 (and (or (eq gnus-fetch-old-headers 'some)
8076 (numberp gnus-fetch-old-headers))
8077 (gnus-summary-article-ancient-p number)
8079 ;; If this is "fetch-old-headered" and `invisible', then
8080 ;; we don't want this article.
8081 (and (eq gnus-fetch-old-headers 'invisible)
8082 (gnus-summary-article-ancient-p number))
8083 ;; If this is a sparsely inserted article with no children,
8084 ;; we don't want it.
8085 (and (eq gnus-build-sparse-threads 'some)
8086 (gnus-summary-article-sparse-p number)
8088 ;; If we use expunging, and this article is really
8089 ;; low-scored, then we don't want this article.
8090 (when (and gnus-summary-expunge-below
8092 (or (cdr (assq number gnus-newsgroup-scored))
8093 gnus-summary-default-score))
8094 gnus-summary-expunge-below))
8095 ;; We increase the expunge-tally here, but that has
8096 ;; nothing to do with the limits, really.
8097 (incf gnus-newsgroup-expunged-tally)
8098 ;; We also mark as read here, if that's wanted.
8099 (when (and gnus-summary-mark-below
8100 (< score gnus-summary-mark-below))
8101 (setq gnus-newsgroup-unreads
8102 (delq number gnus-newsgroup-unreads))
8103 (if gnus-newsgroup-auto-expire
8104 (push number gnus-newsgroup-expirable)
8105 (push (cons number gnus-low-score-mark)
8106 gnus-newsgroup-reads)))
8108 ;; Do the `display' group parameter.
8109 (and gnus-newsgroup-display
8110 (not (funcall gnus-newsgroup-display)))
8111 ;; Check NoCeM things.
8112 (when (and gnus-use-nocem
8113 (gnus-nocem-unwanted-article-p
8114 (mail-header-id (car thread))))
8115 (setq gnus-newsgroup-unreads
8116 (delq number gnus-newsgroup-unreads))
8118 ;; Nope, invisible article.
8120 ;; Ok, this article is to be visible, so we add it to the limit
8122 (push number gnus-newsgroup-limit)
8125 (defun gnus-expunge-thread (thread)
8126 "Mark all articles in THREAD as read."
8127 (let* ((number (mail-header-number (car thread))))
8128 (incf gnus-newsgroup-expunged-tally)
8129 ;; We also mark as read here, if that's wanted.
8130 (setq gnus-newsgroup-unreads
8131 (delq number gnus-newsgroup-unreads))
8132 (if gnus-newsgroup-auto-expire
8133 (push number gnus-newsgroup-expirable)
8134 (push (cons number gnus-low-score-mark)
8135 gnus-newsgroup-reads)))
8136 ;; Go recursively through all subthreads.
8137 (mapcar 'gnus-expunge-thread (cdr thread)))
8139 ;; Summary article oriented commands
8141 (defun gnus-summary-refer-parent-article (n)
8142 "Refer parent article N times.
8143 If N is negative, go to ancestor -N instead.
8144 The difference between N and the number of articles fetched is returned."
8148 (when (not (natnump n))
8153 (setq header (gnus-summary-article-header))
8154 (if (and (eq (mail-header-number header)
8155 (cdr gnus-article-current))
8156 (equal gnus-newsgroup-name
8157 (car gnus-article-current)))
8158 ;; If we try to find the parent of the currently
8159 ;; displayed article, then we take a look at the actual
8160 ;; References header, since this is slightly more
8161 ;; reliable than the References field we got from the
8164 (set-buffer gnus-original-article-buffer)
8165 (nnheader-narrow-to-headers)
8166 (unless (setq ref (message-fetch-field "references"))
8167 (when (setq ref (message-fetch-field "in-reply-to"))
8168 (setq ref (gnus-extract-message-id-from-in-reply-to ref))))
8171 ;; It's not the current article, so we take a bet on
8172 ;; the value we got from the server.
8173 (mail-header-references header)))
8175 (not (equal ref "")))
8176 (unless (gnus-summary-refer-article (gnus-parent-id ref skip))
8177 (gnus-message 1 "Couldn't find parent"))
8178 (gnus-message 1 "No references in article %d"
8179 (gnus-summary-article-number))
8182 (gnus-summary-position-point)
8185 (defun gnus-summary-refer-references ()
8186 "Fetch all articles mentioned in the References header.
8187 Return the number of articles fetched."
8189 (let ((ref (mail-header-references (gnus-summary-article-header)))
8190 (current (gnus-summary-article-number))
8194 (error "No References in the current article")
8195 ;; For each Message-ID in the References header...
8196 (while (string-match "<[^>]*>" ref)
8198 ;; ... fetch that article.
8199 (gnus-summary-refer-article
8200 (prog1 (match-string 0 ref)
8201 (setq ref (substring ref (match-end 0))))))
8202 (gnus-summary-goto-subject current)
8203 (gnus-summary-position-point)
8206 (defun gnus-summary-refer-thread (&optional limit)
8207 "Fetch all articles in the current thread.
8208 If LIMIT (the numerical prefix), fetch that many old headers instead
8209 of what's specified by the `gnus-refer-thread-limit' variable."
8211 (let ((id (mail-header-id (gnus-summary-article-header)))
8212 (limit (if limit (prefix-numeric-value limit)
8213 gnus-refer-thread-limit)))
8214 (unless (eq gnus-fetch-old-headers 'invisible)
8215 (gnus-message 5 "Fetching headers for %s..." gnus-newsgroup-name)
8216 ;; Retrieve the headers and read them in.
8217 (if (eq (if (numberp limit)
8218 (gnus-retrieve-headers
8220 (+ (mail-header-number
8221 (gnus-summary-article-header))
8223 gnus-newsgroup-end))
8224 gnus-newsgroup-name (* limit 2))
8225 ;; gnus-refer-thread-limit is t, i.e. fetch _all_
8227 (gnus-retrieve-headers (list gnus-newsgroup-end)
8228 gnus-newsgroup-name limit))
8230 (gnus-build-all-threads)
8231 (error "Can't fetch thread from back ends that don't support NOV"))
8232 (gnus-message 5 "Fetching headers for %s...done" gnus-newsgroup-name))
8233 (gnus-summary-limit-include-thread id)))
8235 (defun gnus-summary-refer-article (message-id)
8236 "Fetch an article specified by MESSAGE-ID."
8237 (interactive "sMessage-ID: ")
8238 (when (and (stringp message-id)
8239 (not (zerop (length message-id))))
8240 (setq message-id (gnus-replace-in-string message-id " " ""))
8241 ;; Construct the correct Message-ID if necessary.
8242 ;; Suggested by tale@pawl.rpi.edu.
8243 (unless (string-match "^<" message-id)
8244 (setq message-id (concat "<" message-id)))
8245 (unless (string-match ">$" message-id)
8246 (setq message-id (concat message-id ">")))
8247 ;; People often post MIDs from URLs, so unhex it:
8248 (unless (string-match "@" message-id)
8249 (setq message-id (gnus-url-unhex-string message-id)))
8250 (let* ((header (gnus-id-to-header message-id))
8252 (gnus-summary-article-sparse-p
8253 (mail-header-number header))
8254 (memq (mail-header-number header)
8255 gnus-newsgroup-limit)))
8258 ;; If the article is present in the buffer we just go to it.
8260 (or (not (gnus-summary-article-sparse-p
8261 (mail-header-number header)))
8264 (gnus-summary-goto-article
8265 (mail-header-number header) nil t)
8267 (gnus-summary-update-article (mail-header-number header)))))
8269 ;; We fetch the article.
8271 (dolist (gnus-override-method (gnus-refer-article-methods))
8272 (when (and (gnus-check-server gnus-override-method)
8273 ;; Fetch the header,
8274 (setq number (gnus-summary-insert-subject message-id)))
8275 ;; and display the article.
8276 (gnus-summary-select-article nil nil nil number)
8278 (gnus-message 3 "Couldn't fetch article %s" message-id)))))))
8280 (defun gnus-refer-article-methods ()
8281 "Return a list of referable methods."
8283 ;; No method, so we default to current and native.
8284 ((null gnus-refer-article-method)
8285 (list gnus-current-select-method gnus-select-method))
8287 ((eq 'current gnus-refer-article-method)
8288 (list gnus-current-select-method))
8289 ;; List of select methods.
8290 ((not (and (symbolp (car gnus-refer-article-method))
8291 (assq (car gnus-refer-article-method) nnoo-definition-alist)))
8293 (dolist (method gnus-refer-article-method)
8294 (push (if (eq 'current method)
8295 gnus-current-select-method
8299 ;; One single select method.
8301 (list gnus-refer-article-method))))
8303 (defun gnus-summary-edit-parameters ()
8304 "Edit the group parameters of the current group."
8306 (gnus-group-edit-group gnus-newsgroup-name 'params))
8308 (defun gnus-summary-customize-parameters ()
8309 "Customize the group parameters of the current group."
8311 (gnus-group-customize gnus-newsgroup-name))
8313 (defun gnus-summary-enter-digest-group (&optional force)
8314 "Enter an nndoc group based on the current article.
8315 If FORCE, force a digest interpretation. If not, try
8316 to guess what the document format is."
8318 (let ((conf gnus-current-window-configuration))
8319 (save-window-excursion
8321 (let (gnus-article-prepare-hook
8322 gnus-display-mime-function
8324 (gnus-summary-select-article))))
8325 (setq gnus-current-window-configuration conf)
8326 (let* ((name (format "%s-%d"
8327 (gnus-group-prefixed-name
8328 gnus-newsgroup-name (list 'nndoc ""))
8329 (with-current-buffer gnus-summary-buffer
8330 gnus-current-article)))
8331 (ogroup gnus-newsgroup-name)
8332 (params (append (gnus-info-params (gnus-get-info ogroup))
8333 (list (cons 'to-group ogroup))
8334 (list (cons 'parent-group ogroup))
8335 (list (cons 'save-article-group ogroup))))
8336 (case-fold-search t)
8337 (buf (current-buffer))
8340 (set-buffer gnus-original-article-buffer)
8341 ;; Have the digest group inherit the main mail address of
8342 ;; the parent article.
8343 (when (setq to-address (or (gnus-fetch-field "reply-to")
8344 (gnus-fetch-field "from")))
8345 (setq params (append
8346 (list (cons 'to-address
8347 (funcall gnus-decode-encoded-word-function
8349 (setq dig (nnheader-set-temp-buffer " *gnus digest buffer*"))
8350 (insert-buffer-substring gnus-original-article-buffer)
8351 ;; Remove lines that may lead nndoc to misinterpret the
8354 (goto-char (point-min))
8355 (or (search-forward "\n\n" nil t) (point)))
8356 (goto-char (point-min))
8357 (delete-matching-lines "^Path:\\|^From ")
8360 (if (let ((gnus-newsgroup-ephemeral-charset gnus-newsgroup-charset)
8361 (gnus-newsgroup-ephemeral-ignored-charsets
8362 gnus-newsgroup-ignored-charsets))
8363 (gnus-group-read-ephemeral-group
8364 name `(nndoc ,name (nndoc-address ,(get-buffer dig))
8366 ,(if force 'mbox 'guess)))
8368 `((adapt-file . ,(gnus-score-file-name gnus-newsgroup-name
8370 ;; Make all postings to this group go to the parent group.
8371 (nconc (gnus-info-params (gnus-get-info name))
8373 ;; Couldn't select this doc group.
8374 (switch-to-buffer buf)
8375 (gnus-set-global-variables)
8376 (gnus-configure-windows 'summary)
8377 (gnus-message 3 "Article couldn't be entered?"))
8378 (kill-buffer dig)))))
8380 (defun gnus-summary-read-document (n)
8381 "Open a new group based on the current article(s).
8382 This will allow you to read digests and other similar
8383 documents as newsgroups.
8384 Obeys the standard process/prefix convention."
8386 (let* ((ogroup gnus-newsgroup-name)
8387 (params (append (gnus-info-params (gnus-get-info ogroup))
8388 (list (cons 'to-group ogroup))))
8389 group egroup groups vgroup)
8390 (dolist (article (gnus-summary-work-articles n))
8391 (setq group (format "%s-%d" gnus-newsgroup-name article))
8392 (gnus-summary-remove-process-mark article)
8393 (when (gnus-summary-display-article article)
8396 (insert-buffer-substring gnus-original-article-buffer)
8397 ;; Remove some headers that may lead nndoc to make
8399 (message-narrow-to-head)
8400 (goto-char (point-min))
8401 (delete-matching-lines "^Path:\\|^From ")
8404 (gnus-group-read-ephemeral-group
8405 group `(nndoc ,group (nndoc-address ,(current-buffer))
8406 (nndoc-article-type guess))
8409 ;; Make all postings to this group go to the parent group.
8410 (nconc (gnus-info-params (gnus-get-info egroup))
8412 (push egroup groups))
8413 ;; Couldn't select this doc group.
8414 (gnus-error 3 "Article couldn't be entered"))))))
8415 ;; Now we have selected all the documents.
8418 (error "None of the articles could be interpreted as documents"))
8419 ((gnus-group-read-ephemeral-group
8420 (setq vgroup (format
8421 "nnvirtual:%s-%s" gnus-newsgroup-name
8422 (format-time-string "%Y%m%dT%H%M%S" (current-time))))
8423 `(nnvirtual ,vgroup (nnvirtual-component-groups ,groups))
8425 (cons (current-buffer) 'summary)))
8427 (error "Couldn't select virtual nndoc group")))))
8429 (defun gnus-summary-isearch-article (&optional regexp-p)
8430 "Do incremental search forward on the current article.
8431 If REGEXP-P (the prefix) is non-nil, do regexp isearch."
8433 (gnus-summary-select-article)
8434 (gnus-configure-windows 'article)
8435 (gnus-eval-in-buffer-window gnus-article-buffer
8438 (isearch-forward regexp-p))))
8440 (defun gnus-summary-search-article-forward (regexp &optional backward)
8441 "Search for an article containing REGEXP forward.
8442 If BACKWARD, search backward instead."
8445 (format "Search article %s (regexp%s): "
8446 (if current-prefix-arg "backward" "forward")
8447 (if gnus-last-search-regexp
8448 (concat ", default " gnus-last-search-regexp)
8450 current-prefix-arg))
8451 (if (string-equal regexp "")
8452 (setq regexp (or gnus-last-search-regexp ""))
8453 (setq gnus-last-search-regexp regexp)
8454 (setq gnus-article-before-search gnus-current-article))
8455 ;; Intentionally set gnus-last-article.
8456 (setq gnus-last-article gnus-article-before-search)
8457 (let ((gnus-last-article gnus-last-article))
8458 (if (gnus-summary-search-article regexp backward)
8459 (gnus-summary-show-thread)
8460 (signal 'search-failed (list regexp)))))
8462 (defun gnus-summary-search-article-backward (regexp)
8463 "Search for an article containing REGEXP backward."
8466 (format "Search article backward (regexp%s): "
8467 (if gnus-last-search-regexp
8468 (concat ", default " gnus-last-search-regexp)
8470 (gnus-summary-search-article-forward regexp 'backward))
8472 (defun gnus-summary-search-article (regexp &optional backward)
8473 "Search for an article containing REGEXP.
8474 Optional argument BACKWARD means do search for backward.
8475 `gnus-select-article-hook' is not called during the search."
8476 ;; We have to require this here to make sure that the following
8477 ;; dynamic binding isn't shadowed by autoloading.
8478 (require 'gnus-async)
8480 (let ((gnus-select-article-hook nil) ;Disable hook.
8481 (gnus-article-prepare-hook nil)
8482 (gnus-mark-article-hook nil) ;Inhibit marking as read.
8483 (gnus-use-article-prefetch nil)
8484 (gnus-xmas-force-redisplay nil) ;Inhibit XEmacs redisplay.
8485 (gnus-use-trees nil) ;Inhibit updating tree buffer.
8487 (gnus-keep-backlog nil)
8488 (gnus-break-pages nil)
8489 (gnus-summary-display-arrow nil)
8490 (gnus-updated-mode-lines nil)
8491 (gnus-auto-center-summary nil)
8492 (sum (current-buffer))
8493 (gnus-display-mime-function nil)
8496 (gnus-save-hidden-threads
8497 (gnus-summary-select-article)
8498 (set-buffer gnus-article-buffer)
8499 (goto-char (window-point (get-buffer-window (current-buffer))))
8503 (gnus-message 7 "Searching article: %d..." (cdr gnus-article-current))
8505 (re-search-backward regexp nil t)
8506 (re-search-forward regexp nil t))
8507 ;; We found the regexp.
8512 (get-buffer-window (current-buffer))
8516 (get-buffer-window (current-buffer))
8519 (setq point (point)))
8520 ;; We didn't find it, so we go to the next article.
8523 (while (eq found 'not)
8524 (if (not (if backward (gnus-summary-find-prev)
8525 (gnus-summary-find-next)))
8526 ;; No more articles.
8528 ;; Select the next article and adjust point.
8529 (unless (gnus-summary-article-sparse-p
8530 (gnus-summary-article-number))
8532 (gnus-summary-select-article)
8533 (set-buffer gnus-article-buffer)
8535 (goto-char (if backward (point-max) (point-min))))))))
8536 (gnus-message 7 ""))
8537 ;; Return whether we found the regexp.
8538 (when (eq found 'found)
8540 (gnus-summary-show-thread)
8541 (gnus-summary-goto-subject gnus-current-article)
8542 (gnus-summary-position-point)
8545 (defun gnus-find-matching-articles (header regexp)
8546 "Return a list of all articles that match REGEXP on HEADER.
8547 This search includes all articles in the current group that Gnus has
8548 fetched headers for, whether they are displayed or not."
8549 (let ((articles nil)
8550 (func `(lambda (h) (,(intern (concat "mail-header-" header)) h)))
8551 (case-fold-search t))
8552 (dolist (header gnus-newsgroup-headers)
8553 (when (string-match regexp (funcall func header))
8554 (push (mail-header-number header) articles)))
8555 (nreverse articles)))
8557 (defun gnus-summary-find-matching (header regexp &optional backward unread
8558 not-case-fold not-matching)
8559 "Return a list of all articles that match REGEXP on HEADER.
8560 The search stars on the current article and goes forwards unless
8561 BACKWARD is non-nil. If BACKWARD is `all', do all articles.
8562 If UNREAD is non-nil, only unread articles will
8563 be taken into consideration. If NOT-CASE-FOLD, case won't be folded
8564 in the comparisons. If NOT-MATCHING, return a list of all articles that
8565 not match REGEXP on HEADER."
8566 (let ((case-fold-search (not not-case-fold))
8569 (if (eq (car header) 'extra)
8572 (or (cdr (assq ',(cdr header) (mail-header-extra h)))
8574 (error "%s is an invalid header" header))
8575 (unless (fboundp (intern (concat "mail-header-" header)))
8576 (error "%s is not a valid header" header))
8577 (setq func `(lambda (h) (,(intern (concat "mail-header-" header)) h))))
8578 (dolist (d (if (eq backward 'all)
8580 (gnus-data-find-list
8581 (gnus-summary-article-number)
8582 (gnus-data-list backward))))
8583 (when (and (or (not unread) ; We want all articles...
8584 (gnus-data-unread-p d)) ; Or just unreads.
8585 (vectorp (gnus-data-header d)) ; It's not a pseudo.
8589 (funcall func (gnus-data-header d))))
8590 (string-match regexp
8591 (funcall func (gnus-data-header d)))))
8592 (push (gnus-data-number d) articles))) ; Success!
8593 (nreverse articles)))
8595 (defun gnus-summary-execute-command (header regexp command &optional backward)
8596 "Search forward for an article whose HEADER matches REGEXP and execute COMMAND.
8597 If HEADER is an empty string (or nil), the match is done on the entire
8598 article. If BACKWARD (the prefix) is non-nil, search backward instead."
8600 (list (let ((completion-ignore-case t))
8603 (mapcar (lambda (header) (list (format "%s" header)))
8605 '("Number" "Subject" "From" "Lines" "Date"
8606 "Message-ID" "Xref" "References" "Body")
8607 gnus-extra-headers))
8608 nil 'require-match))
8609 (read-string "Regexp: ")
8610 (read-key-sequence "Command: ")
8611 current-prefix-arg))
8612 (when (equal header "Body")
8614 ;; Hidden thread subtrees must be searched as well.
8615 (gnus-summary-show-all-threads)
8616 ;; We don't want to change current point nor window configuration.
8618 (save-window-excursion
8620 gnus-treat-strip-trailing-blank-lines
8621 gnus-treat-strip-leading-blank-lines
8622 gnus-treat-strip-multiple-blank-lines
8623 gnus-treat-hide-boring-headers
8624 gnus-treat-fold-newsgroups
8625 gnus-article-prepare-hook)
8626 (gnus-message 6 "Executing %s..." (key-description command))
8627 ;; We'd like to execute COMMAND interactively so as to give arguments.
8628 (gnus-execute header regexp
8629 `(call-interactively ',(key-binding command))
8631 (gnus-message 6 "Executing %s...done" (key-description command))))))
8633 (defun gnus-summary-beginning-of-article ()
8634 "Scroll the article back to the beginning."
8636 (gnus-summary-select-article)
8637 (gnus-configure-windows 'article)
8638 (gnus-eval-in-buffer-window gnus-article-buffer
8640 (goto-char (point-min))
8641 (when gnus-break-pages
8642 (gnus-narrow-to-page))))
8644 (defun gnus-summary-end-of-article ()
8645 "Scroll to the end of the article."
8647 (gnus-summary-select-article)
8648 (gnus-configure-windows 'article)
8649 (gnus-eval-in-buffer-window gnus-article-buffer
8651 (goto-char (point-max))
8653 (when gnus-break-pages
8654 (when (re-search-backward page-delimiter nil t)
8655 (narrow-to-region (match-end 0) (point-max)))
8656 (gnus-narrow-to-page))))
8658 (defun gnus-summary-print-truncate-and-quote (string &optional len)
8659 "Truncate to LEN and quote all \"(\"'s in STRING."
8660 (gnus-replace-in-string (if (and len (> (length string) len))
8661 (substring string 0 len)
8665 (defun gnus-summary-print-article (&optional filename n)
8666 "Generate and print a PostScript image of the process-marked (mail) articles.
8668 If used interactively, print the current article if none are
8669 process-marked. With prefix arg, prompt the user for the name of the
8672 When used from Lisp, accept two optional args FILENAME and N. N means
8673 to print the next N articles. If N is negative, print the N previous
8674 articles. If N is nil and articles have been marked with the process
8675 mark, print these instead.
8677 If the optional first argument FILENAME is nil, send the image to the
8678 printer. If FILENAME is a string, save the PostScript image in a file with
8679 that name. If FILENAME is a number, prompt the user for the name of the file
8681 (interactive (list (ps-print-preprint current-prefix-arg)))
8682 (dolist (article (gnus-summary-work-articles n))
8683 (gnus-summary-select-article nil nil 'pseudo article)
8684 (gnus-eval-in-buffer-window gnus-article-buffer
8685 (gnus-print-buffer))
8686 (gnus-summary-remove-process-mark article))
8687 (ps-despool filename))
8689 (defun gnus-print-buffer ()
8690 (let ((buffer (generate-new-buffer " *print*")))
8693 (copy-to-buffer buffer (point-min) (point-max))
8695 (gnus-remove-text-with-property 'gnus-decoration)
8696 (when (gnus-visual-p 'article-highlight 'highlight)
8697 ;; Copy-to-buffer doesn't copy overlay. So redo
8699 (let ((gnus-article-buffer buffer))
8700 (gnus-article-highlight-citation t)
8701 (gnus-article-highlight-signature)
8702 (gnus-article-emphasize)
8703 (gnus-article-delete-invisible-text)))
8704 (let ((ps-left-header
8707 (gnus-summary-print-truncate-and-quote
8708 (mail-header-subject gnus-current-headers)
8711 (gnus-summary-print-truncate-and-quote
8712 (mail-header-from gnus-current-headers)
8716 "/pagenumberstring load"
8718 (mail-header-date gnus-current-headers) ")"))))
8719 (gnus-run-hooks 'gnus-ps-print-hook)
8722 (ps-spool-buffer-with-faces)
8723 (ps-spool-buffer)))))
8724 (kill-buffer buffer))))
8726 (defun gnus-summary-show-article (&optional arg)
8727 "Force redisplaying of the current article.
8728 If ARG (the prefix) is a number, show the article with the charset
8729 defined in `gnus-summary-show-article-charset-alist', or the charset
8731 If ARG (the prefix) is non-nil and not a number, show the raw article
8732 without any article massaging functions being run. Normally, the key
8733 strokes are `C-u g'."
8737 (gnus-summary-show-article t)
8738 (let ((gnus-newsgroup-charset
8739 (or (cdr (assq arg gnus-summary-show-article-charset-alist))
8740 (mm-read-coding-system
8741 "View as charset: " ;; actually it is coding system.
8742 (with-current-buffer gnus-article-buffer
8743 (mm-detect-coding-region (point) (point-max))))))
8744 (gnus-newsgroup-ignored-charsets 'gnus-all))
8745 (gnus-summary-select-article nil 'force)
8746 (let ((deps gnus-newsgroup-dependencies)
8749 (set-buffer gnus-original-article-buffer)
8751 (message-narrow-to-head)
8752 (setq head (buffer-string))
8753 (goto-char (point-min))
8754 (unless (re-search-forward "^lines:[ \t]\\([0-9]+\\)" nil t)
8755 (goto-char (point-max))
8757 (setq lines (1- (count-lines (point) (point-max))))))
8759 (insert (format "211 %d Article retrieved.\n"
8760 (cdr gnus-article-current)))
8762 (if lines (insert (format "Lines: %d\n" lines)))
8764 (let ((nntp-server-buffer (current-buffer)))
8765 (setq header (car (gnus-get-newsgroup-headers deps t))))))
8766 (gnus-data-set-header
8767 (gnus-data-find (cdr gnus-article-current))
8769 (gnus-summary-update-article-line
8770 (cdr gnus-article-current) header)
8771 (when (gnus-summary-goto-subject (cdr gnus-article-current) nil t)
8772 (gnus-summary-update-secondary-mark (cdr gnus-article-current))))))
8774 ;; Select the article the normal way.
8775 (gnus-summary-select-article nil 'force))
8777 ;; We have to require this here to make sure that the following
8778 ;; dynamic binding isn't shadowed by autoloading.
8779 (require 'gnus-async)
8781 ;; Bind the article treatment functions to nil.
8782 (let ((gnus-have-all-headers t)
8783 gnus-article-prepare-hook
8784 gnus-article-decode-hook
8785 gnus-display-mime-function
8787 ;; Destroy any MIME parts.
8788 (when (gnus-buffer-live-p gnus-article-buffer)
8790 (set-buffer gnus-article-buffer)
8791 (mm-destroy-parts gnus-article-mime-handles)
8792 ;; Set it to nil for safety reason.
8793 (setq gnus-article-mime-handle-alist nil)
8794 (setq gnus-article-mime-handles nil)))
8795 (gnus-summary-select-article nil 'force))))
8796 (gnus-summary-goto-subject gnus-current-article)
8797 (gnus-summary-position-point))
8799 (defun gnus-summary-show-raw-article ()
8800 "Show the raw article without any article massaging functions being run."
8802 (gnus-summary-show-article t))
8804 (defun gnus-summary-verbose-headers (&optional arg)
8805 "Toggle permanent full header display.
8806 If ARG is a positive number, turn header display on.
8807 If ARG is a negative number, turn header display off."
8809 (setq gnus-show-all-headers
8810 (cond ((or (not (numberp arg))
8812 (not gnus-show-all-headers))
8815 (gnus-summary-show-article))
8817 (defun gnus-summary-toggle-header (&optional arg)
8818 "Show the headers if they are hidden, or hide them if they are shown.
8819 If ARG is a positive number, show the entire header.
8820 If ARG is a negative number, hide the unwanted header lines."
8822 (let ((window (and (gnus-buffer-live-p gnus-article-buffer)
8823 (get-buffer-window gnus-article-buffer t))))
8824 (with-current-buffer gnus-article-buffer
8826 (article-narrow-to-head)
8827 (let* ((buffer-read-only nil)
8828 (inhibit-point-motion-hooks t)
8829 (hidden (if (numberp arg)
8831 (or (not (looking-at "[^ \t\n]+:"))
8832 (gnus-article-hidden-text-p 'headers))))
8834 (delete-region (point-min) (point-max))
8835 (with-current-buffer gnus-original-article-buffer
8836 (goto-char (setq s (point-min)))
8837 (setq e (if (search-forward "\n\n" nil t)
8840 (insert-buffer-substring gnus-original-article-buffer s e)
8841 (run-hooks 'gnus-article-decode-hook)
8843 (let ((gnus-treat-hide-headers nil)
8844 (gnus-treat-hide-boring-headers nil))
8845 (gnus-delete-wash-type 'headers)
8846 (gnus-treat-article 'head))
8847 (gnus-treat-article 'head))
8850 (set-window-start window (goto-char (point-min))))
8851 (if gnus-break-pages
8852 (gnus-narrow-to-page)
8853 (when (gnus-visual-p 'page-marker)
8854 (let ((buffer-read-only nil))
8855 (gnus-remove-text-with-property 'gnus-prev)
8856 (gnus-remove-text-with-property 'gnus-next))))
8857 (gnus-set-mode-line 'article)))))
8859 (defun gnus-summary-show-all-headers ()
8860 "Make all header lines visible."
8862 (gnus-summary-toggle-header 1))
8864 (defun gnus-summary-caesar-message (&optional arg)
8865 "Caesar rotate the current article by 13.
8866 The numerical prefix specifies how many places to rotate each letter
8869 (gnus-summary-select-article)
8870 (let ((mail-header-separator ""))
8871 (gnus-eval-in-buffer-window gnus-article-buffer
8874 (let ((start (window-start))
8876 (message-caesar-buffer-body arg)
8877 (set-window-start (get-buffer-window (current-buffer)) start))))))
8879 (autoload 'unmorse-region "morse"
8880 "Convert morse coded text in region to ordinary ASCII text."
8883 (defun gnus-summary-morse-message (&optional arg)
8884 "Morse decode the current article."
8886 (gnus-summary-select-article)
8887 (let ((mail-header-separator ""))
8888 (gnus-eval-in-buffer-window gnus-article-buffer
8892 (let ((pos (window-start))
8894 (goto-char (point-min))
8895 (when (message-goto-body)
8896 (gnus-narrow-to-body))
8897 (goto-char (point-min))
8898 (while (search-forward "·" (point-max) t)
8899 (replace-match "."))
8900 (unmorse-region (point-min) (point-max))
8902 (set-window-start (get-buffer-window (current-buffer)) pos)))))))
8904 (defun gnus-summary-stop-page-breaking ()
8905 "Stop page breaking in the current article."
8907 (gnus-summary-select-article)
8908 (gnus-eval-in-buffer-window gnus-article-buffer
8910 (when (gnus-visual-p 'page-marker)
8911 (let ((buffer-read-only nil))
8912 (gnus-remove-text-with-property 'gnus-prev)
8913 (gnus-remove-text-with-property 'gnus-next))
8914 (setq gnus-page-broken nil))))
8916 (defun gnus-summary-move-article (&optional n to-newsgroup
8917 select-method action)
8918 "Move the current article to a different newsgroup.
8919 If N is a positive number, move the N next articles.
8920 If N is a negative number, move the N previous articles.
8921 If N is nil and any articles have been marked with the process mark,
8922 move those articles instead.
8923 If TO-NEWSGROUP is string, do not prompt for a newsgroup to move to.
8924 If SELECT-METHOD is non-nil, do not move to a specific newsgroup, but
8925 re-spool using this method.
8927 When called interactively with TO-NEWSGROUP being nil, the value of
8928 the variable `gnus-move-split-methods' is used for finding a default
8929 for the target newsgroup.
8931 For this function to work, both the current newsgroup and the
8932 newsgroup that you want to move to have to support the `request-move'
8933 and `request-accept' functions.
8935 ACTION can be either `move' (the default), `crosspost' or `copy'."
8938 (setq action 'move))
8939 ;; Check whether the source group supports the required functions.
8940 (cond ((and (eq action 'move)
8941 (not (gnus-check-backend-function
8942 'request-move-article gnus-newsgroup-name)))
8943 (error "The current group does not support article moving"))
8944 ((and (eq action 'crosspost)
8945 (not (gnus-check-backend-function
8946 'request-replace-article gnus-newsgroup-name)))
8947 (error "The current group does not support article editing")))
8948 (let ((articles (gnus-summary-work-articles n))
8949 (prefix (if (gnus-check-backend-function
8950 'request-move-article gnus-newsgroup-name)
8951 (funcall gnus-move-group-prefix-function
8952 gnus-newsgroup-name)
8954 (names '((move "Move" "Moving")
8955 (copy "Copy" "Copying")
8956 (crosspost "Crosspost" "Crossposting")))
8957 (copy-buf (save-excursion
8958 (nnheader-set-temp-buffer " *copy article*")))
8959 art-group to-method new-xref article to-groups)
8960 (unless (assq action names)
8961 (error "Unknown action %s" action))
8962 ;; Read the newsgroup name.
8963 (when (and (not to-newsgroup)
8964 (not select-method))
8965 (if (and gnus-move-split-methods
8967 (and (memq gnus-current-article articles)
8968 (gnus-buffer-live-p gnus-original-article-buffer))))
8969 ;; When `gnus-move-split-methods' is non-nil, we have to
8970 ;; select an article to give `gnus-read-move-group-name' an
8971 ;; opportunity to suggest an appropriate default. However,
8972 ;; we needn't render or mark the article.
8973 (let ((gnus-display-mime-function nil)
8974 (gnus-article-prepare-hook nil)
8975 (gnus-mark-article-hook nil))
8976 (gnus-summary-select-article nil nil nil (car articles))))
8978 (gnus-read-move-group-name
8979 (cadr (assq action names))
8980 (symbol-value (intern (format "gnus-current-%s-group" action)))
8982 (set (intern (format "gnus-current-%s-group" action)) to-newsgroup))
8983 (setq to-method (or select-method
8984 (gnus-server-to-method
8985 (gnus-group-method to-newsgroup))))
8986 ;; Check the method we are to move this article to...
8987 (unless (gnus-check-backend-function
8988 'request-accept-article (car to-method))
8989 (error "%s does not support article copying" (car to-method)))
8990 (unless (gnus-check-server to-method)
8991 (error "Can't open server %s" (car to-method)))
8992 (gnus-message 6 "%s to %s: %s..."
8993 (caddr (assq action names))
8994 (or (car select-method) to-newsgroup) articles)
8996 (setq article (pop articles))
9000 ;; Move the article.
9002 ;; Remove this article from future suppression.
9003 (gnus-dup-unsuppress-article article)
9004 (gnus-request-move-article
9005 article ; Article to move
9006 gnus-newsgroup-name ; From newsgroup
9007 (nth 1 (gnus-find-method-for-group
9008 gnus-newsgroup-name)) ; Server
9009 (list 'gnus-request-accept-article
9010 to-newsgroup (list 'quote select-method)
9011 (not articles) t) ; Accept form
9012 (not articles))) ; Only save nov last time
9013 ;; Copy the article.
9016 (set-buffer copy-buf)
9017 (when (gnus-request-article-this-buffer article gnus-newsgroup-name)
9018 (gnus-request-accept-article
9019 to-newsgroup select-method (not articles) t))))
9020 ;; Crosspost the article.
9021 ((eq action 'crosspost)
9022 (let ((xref (message-tokenize-header
9023 (mail-header-xref (gnus-summary-article-header article))
9025 (setq new-xref (concat (gnus-group-real-name gnus-newsgroup-name)
9026 ":" (number-to-string article)))
9028 (setq xref (list (system-name))))
9031 (mapconcat 'identity
9032 (delete "Xref:" (delete new-xref xref))
9036 (set-buffer copy-buf)
9037 ;; First put the article in the destination group.
9038 (gnus-request-article-this-buffer article gnus-newsgroup-name)
9039 (when (consp (setq art-group
9040 (gnus-request-accept-article
9041 to-newsgroup select-method (not articles))))
9042 (setq new-xref (concat new-xref " " (car art-group)
9044 (number-to-string (cdr art-group))))
9045 ;; Now we have the new Xrefs header, so we insert
9046 ;; it and replace the new article.
9047 (nnheader-replace-header "Xref" new-xref)
9048 (gnus-request-replace-article
9049 (cdr art-group) to-newsgroup (current-buffer))
9053 (gnus-message 1 "Couldn't %s article %s: %s"
9054 (cadr (assq action names)) article
9055 (nnheader-get-report (car to-method))))
9056 ((eq art-group 'junk)
9057 (when (eq action 'move)
9058 (gnus-summary-mark-article article gnus-canceled-mark)
9059 (gnus-message 4 "Deleted article %s" article)
9060 ;; run the delete hook
9061 (run-hook-with-args 'gnus-summary-article-delete-hook
9064 (assoc article (gnus-data-list nil)))
9065 gnus-newsgroup-name nil
9068 (let* ((pto-group (gnus-group-prefixed-name
9069 (car art-group) to-method))
9070 (info (gnus-get-info pto-group))
9071 (to-group (gnus-info-group info))
9073 ;; Update the group that has been moved to.
9075 (memq action '(move copy)))
9076 (unless (member to-group to-groups)
9077 (push to-group to-groups))
9079 (unless (memq article gnus-newsgroup-unreads)
9080 (push 'read to-marks)
9082 info (gnus-add-to-range (gnus-info-read info)
9083 (list (cdr art-group)))))
9085 ;; See whether the article is to be put in the cache.
9086 (let ((marks (if (gnus-group-auto-expirable-p to-group)
9087 gnus-article-mark-lists
9088 (delete '(expirable . expire)
9089 (copy-sequence gnus-article-mark-lists))))
9090 (to-article (cdr art-group)))
9092 ;; Enter the article into the cache in the new group,
9093 ;; if that is required.
9094 (when gnus-use-cache
9095 (gnus-cache-possibly-enter-article
9097 (memq article gnus-newsgroup-marked)
9098 (memq article gnus-newsgroup-dormant)
9099 (memq article gnus-newsgroup-unreads)))
9101 (when gnus-preserve-marks
9102 ;; Copy any marks over to the new group.
9103 (when (and (equal to-group gnus-newsgroup-name)
9104 (not (memq article gnus-newsgroup-unreads)))
9105 ;; Mark this article as read in this group.
9106 (push (cons to-article gnus-read-mark) gnus-newsgroup-reads)
9107 (setcdr (gnus-active to-group) to-article)
9108 (setcdr gnus-newsgroup-active to-article))
9111 (when (eq (gnus-article-mark-to-type (cdar marks)) 'list)
9112 (when (memq article (symbol-value
9113 (intern (format "gnus-newsgroup-%s"
9115 (push (cdar marks) to-marks)
9116 ;; If the other group is the same as this group,
9117 ;; then we have to add the mark to the list.
9118 (when (equal to-group gnus-newsgroup-name)
9119 (set (intern (format "gnus-newsgroup-%s" (caar marks)))
9122 (intern (format "gnus-newsgroup-%s"
9124 ;; Copy the marks to other group.
9125 (gnus-add-marked-articles
9126 to-group (cdar marks) (list to-article) info)))
9127 (setq marks (cdr marks)))
9129 (gnus-request-set-mark
9130 to-group (list (list (list to-article) 'add to-marks))))
9133 (concat "(gnus-group-set-info '"
9134 (gnus-prin1-to-string (gnus-get-info to-group))
9137 ;; Update the Xref header in this article to point to
9138 ;; the new crossposted article we have just created.
9139 (when (eq action 'crosspost)
9141 (set-buffer copy-buf)
9142 (gnus-request-article-this-buffer article gnus-newsgroup-name)
9143 (nnheader-replace-header "Xref" new-xref)
9144 (gnus-request-replace-article
9145 article gnus-newsgroup-name (current-buffer))))
9147 ;; run the move/copy/crosspost/respool hook
9148 (run-hook-with-args 'gnus-summary-article-move-hook
9151 (assoc article (gnus-data-list nil)))
9156 ;;;!!!Why is this necessary?
9157 (set-buffer gnus-summary-buffer)
9159 (gnus-summary-goto-subject article)
9160 (when (eq action 'move)
9161 (gnus-summary-mark-article article gnus-canceled-mark))))
9162 (gnus-summary-remove-process-mark article))
9163 ;; Re-activate all groups that have been moved to.
9165 (set-buffer gnus-group-buffer)
9166 (let ((gnus-group-marked to-groups))
9167 (gnus-group-get-new-news-this-group nil t)))
9169 (gnus-kill-buffer copy-buf)
9170 (gnus-summary-position-point)
9171 (gnus-set-mode-line 'summary)))
9173 (defun gnus-summary-copy-article (&optional n to-newsgroup select-method)
9174 "Copy the current article to some other group.
9175 If TO-NEWSGROUP is string, do not prompt for a newsgroup to copy to.
9176 When called interactively, if TO-NEWSGROUP is nil, use the value of
9177 the variable `gnus-move-split-methods' for finding a default target
9179 If SELECT-METHOD is non-nil, do not move to a specific newsgroup, but
9180 re-spool using this method."
9182 (gnus-summary-move-article n to-newsgroup select-method 'copy))
9184 (defun gnus-summary-crosspost-article (&optional n)
9185 "Crosspost the current article to some other group."
9187 (gnus-summary-move-article n nil nil 'crosspost))
9189 (defcustom gnus-summary-respool-default-method nil
9190 "Default method type for respooling an article.
9191 If nil, use to the current newsgroup method."
9193 :group 'gnus-summary-mail)
9195 (defcustom gnus-summary-display-while-building nil
9196 "If non-nil, show and update the summary buffer as it's being built.
9197 If the value is t, update the buffer after every line is inserted. If
9198 the value is an integer (N), update the display every N lines."
9200 :type '(choice (const :tag "off" nil)
9202 (const :tag "frequently" t)))
9204 (defun gnus-summary-respool-article (&optional n method)
9205 "Respool the current article.
9206 The article will be squeezed through the mail spooling process again,
9207 which means that it will be put in some mail newsgroup or other
9208 depending on `nnmail-split-methods'.
9209 If N is a positive number, respool the N next articles.
9210 If N is a negative number, respool the N previous articles.
9211 If N is nil and any articles have been marked with the process mark,
9212 respool those articles instead.
9214 Respooling can be done both from mail groups and \"real\" newsgroups.
9215 In the former case, the articles in question will be moved from the
9216 current group into whatever groups they are destined to. In the
9217 latter case, they will be copied into the relevant groups."
9219 (list current-prefix-arg
9220 (let* ((methods (gnus-methods-using 'respool))
9222 (symbol-name (or gnus-summary-respool-default-method
9223 (car (gnus-find-method-for-group
9224 gnus-newsgroup-name)))))
9226 (gnus-completing-read-with-default
9227 methname "What backend do you want to use when respooling?"
9228 methods nil t nil 'gnus-mail-method-history))
9231 ((zerop (length (setq ms (gnus-servers-using-backend
9233 (list (intern method) ""))
9237 (let ((ms-alist (mapcar (lambda (m) (cons (cadr m) m)) ms)))
9238 (cdr (assoc (completing-read "Server name: " ms-alist nil t)
9241 (error "No method given for respooling"))
9242 (if (assoc (symbol-name
9243 (car (gnus-find-method-for-group gnus-newsgroup-name)))
9244 (gnus-methods-using 'respool))
9245 (gnus-summary-move-article n nil method)
9246 (gnus-summary-copy-article n nil method)))
9248 (defun gnus-summary-import-article (file &optional edit)
9249 "Import an arbitrary file into a mail newsgroup."
9250 (interactive "fImport file: \nP")
9251 (let ((group gnus-newsgroup-name)
9252 (now (current-time))
9253 atts lines group-art)
9254 (unless (gnus-check-backend-function 'request-accept-article group)
9255 (error "%s does not support article importing" group))
9256 (or (file-readable-p file)
9257 (not (file-regular-p file))
9258 (error "Can't read %s" file))
9260 (set-buffer (gnus-get-buffer-create " *import file*"))
9262 (nnheader-insert-file-contents file)
9263 (goto-char (point-min))
9264 (if (nnheader-article-p)
9266 (goto-char (point-min))
9267 (search-forward "\n\n" nil t)
9268 (narrow-to-region (point-min) (1- (point)))
9269 (goto-char (point-min))
9270 (unless (re-search-forward "^date:" nil t)
9271 (goto-char (point-max))
9272 (insert "Date: " (message-make-date (nth 5 atts)) "\n")))
9273 ;; This doesn't look like an article, so we fudge some headers.
9274 (setq atts (file-attributes file)
9275 lines (count-lines (point-min) (point-max)))
9276 (insert "From: " (read-string "From: ") "\n"
9277 "Subject: " (read-string "Subject: ") "\n"
9278 "Date: " (message-make-date (nth 5 atts)) "\n"
9279 "Message-ID: " (message-make-message-id) "\n"
9280 "Lines: " (int-to-string lines) "\n"
9281 "Chars: " (int-to-string (nth 7 atts)) "\n\n"))
9282 (setq group-art (gnus-request-accept-article group nil t))
9283 (kill-buffer (current-buffer)))
9284 (setq gnus-newsgroup-active (gnus-activate-group group))
9286 (gnus-summary-goto-article (cdr group-art) nil t)
9288 (gnus-summary-edit-article))))
9290 (defun gnus-summary-create-article ()
9291 "Create an article in a mail newsgroup."
9293 (let ((group gnus-newsgroup-name)
9294 (now (current-time))
9296 (unless (gnus-check-backend-function 'request-accept-article group)
9297 (error "%s does not support article importing" group))
9299 (set-buffer (gnus-get-buffer-create " *import file*"))
9301 (goto-char (point-min))
9302 ;; This doesn't look like an article, so we fudge some headers.
9303 (insert "From: " (read-string "From: ") "\n"
9304 "Subject: " (read-string "Subject: ") "\n"
9305 "Date: " (message-make-date now) "\n"
9306 "Message-ID: " (message-make-message-id) "\n")
9307 (setq group-art (gnus-request-accept-article group nil t))
9308 (kill-buffer (current-buffer)))
9309 (setq gnus-newsgroup-active (gnus-activate-group group))
9311 (gnus-summary-goto-article (cdr group-art) nil t)
9312 (gnus-summary-edit-article)))
9314 (defun gnus-summary-article-posted-p ()
9315 "Say whether the current (mail) article is available from news as well.
9316 This will be the case if the article has both been mailed and posted."
9318 (let ((id (mail-header-references (gnus-summary-article-header)))
9319 (gnus-override-method (car (gnus-refer-article-methods))))
9320 (if (gnus-request-head id "")
9321 (gnus-message 2 "The current message was found on %s"
9322 gnus-override-method)
9323 (gnus-message 2 "The current message couldn't be found on %s"
9324 gnus-override-method)
9327 (defun gnus-summary-expire-articles (&optional now)
9328 "Expire all articles that are marked as expirable in the current group."
9330 (when (and (not gnus-group-is-exiting-without-update-p)
9331 (gnus-check-backend-function
9332 'request-expire-articles gnus-newsgroup-name))
9333 ;; This backend supports expiry.
9334 (let* ((total (gnus-group-total-expirable-p gnus-newsgroup-name))
9335 (expirable (if total
9337 ;; We need to update the info for
9338 ;; this group for `gnus-list-of-read-articles'
9339 ;; to give us the right answer.
9340 (gnus-run-hooks 'gnus-exit-group-hook)
9341 (gnus-summary-update-info)
9342 (gnus-list-of-read-articles gnus-newsgroup-name))
9343 (setq gnus-newsgroup-expirable
9344 (sort gnus-newsgroup-expirable '<))))
9345 (expiry-wait (if now 'immediate
9346 (gnus-group-find-parameter
9347 gnus-newsgroup-name 'expiry-wait)))
9348 (nnmail-expiry-target
9349 (or (gnus-group-find-parameter gnus-newsgroup-name 'expiry-target)
9350 nnmail-expiry-target))
9353 ;; There are expirable articles in this group, so we run them
9354 ;; through the expiry process.
9355 (gnus-message 6 "Expiring articles...")
9356 (unless (gnus-check-group gnus-newsgroup-name)
9357 (error "Can't open server for %s" gnus-newsgroup-name))
9358 ;; The list of articles that weren't expired is returned.
9361 (let ((nnmail-expiry-wait-function nil)
9362 (nnmail-expiry-wait expiry-wait))
9363 (setq es (gnus-request-expire-articles
9364 expirable gnus-newsgroup-name)))
9365 (setq es (gnus-request-expire-articles
9366 expirable gnus-newsgroup-name)))
9368 (setq gnus-newsgroup-expirable es))
9369 ;; We go through the old list of expirable, and mark all
9370 ;; really expired articles as nonexistent.
9371 (unless (eq es expirable) ;If nothing was expired, we don't mark.
9372 (let ((gnus-use-cache nil))
9373 (dolist (article expirable)
9374 (when (and (not (memq article es))
9375 (gnus-data-find article))
9376 (gnus-summary-mark-article article gnus-canceled-mark)
9377 (run-hook-with-args 'gnus-summary-article-expire-hook
9380 (assoc article (gnus-data-list nil)))
9384 (gnus-message 6 "Expiring articles...done")))))
9386 (defun gnus-summary-expire-articles-now ()
9387 "Expunge all expirable articles in the current group.
9388 This means that *all* articles that are marked as expirable will be
9389 deleted forever, right now."
9391 (or gnus-expert-user
9393 "Are you really, really, really sure you want to delete all these messages? ")
9395 (gnus-summary-expire-articles t))
9397 ;; Suggested by Jack Vinson <vinson@unagi.cis.upenn.edu>.
9398 (defun gnus-summary-delete-article (&optional n)
9399 "Delete the N next (mail) articles.
9400 This command actually deletes articles. This is not a marking
9401 command. The article will disappear forever from your life, never to
9404 If N is negative, delete backwards.
9405 If N is nil and articles have been marked with the process mark,
9406 delete these instead.
9408 If `gnus-novice-user' is non-nil you will be asked for
9409 confirmation before the articles are deleted."
9411 (unless (gnus-check-backend-function 'request-expire-articles
9412 gnus-newsgroup-name)
9413 (error "The current newsgroup does not support article deletion"))
9414 (unless (gnus-check-server (gnus-find-method-for-group gnus-newsgroup-name))
9415 (error "Couldn't open server"))
9416 ;; Compute the list of articles to delete.
9417 (let ((articles (sort (copy-sequence (gnus-summary-work-articles n)) '<))
9418 (nnmail-expiry-target 'delete)
9420 (if (and gnus-novice-user
9421 (not (gnus-yes-or-no-p
9422 (format "Do you really want to delete %s forever? "
9423 (if (> (length articles) 1)
9424 (format "these %s articles" (length articles))
9427 ;; Delete the articles.
9428 (setq not-deleted (gnus-request-expire-articles
9429 articles gnus-newsgroup-name 'force))
9431 (gnus-summary-remove-process-mark (car articles))
9432 ;; The backend might not have been able to delete the article
9434 (unless (memq (car articles) not-deleted)
9435 (gnus-summary-mark-article (car articles) gnus-canceled-mark))
9436 (let* ((article (car articles))
9437 (ghead (gnus-data-header
9438 (assoc article (gnus-data-list nil)))))
9439 (run-hook-with-args 'gnus-summary-article-delete-hook
9440 'delete ghead gnus-newsgroup-name nil
9442 (setq articles (cdr articles)))
9444 (gnus-message 4 "Couldn't delete articles %s" not-deleted)))
9445 (gnus-summary-position-point)
9446 (gnus-set-mode-line 'summary)
9449 (defun gnus-summary-edit-article (&optional arg)
9450 "Edit the current article.
9451 This will have permanent effect only in mail groups.
9452 If ARG is nil, edit the decoded articles.
9453 If ARG is 1, edit the raw articles.
9454 If ARG is 2, edit the raw articles even in read-only groups.
9455 If ARG is 3, edit the articles with the current handles.
9456 Otherwise, allow editing of articles even in read-only
9459 (let (force raw current-handles)
9468 (setq current-handles
9469 (and (gnus-buffer-live-p gnus-article-buffer)
9470 (with-current-buffer gnus-article-buffer
9472 gnus-article-mime-handles
9473 (setq gnus-article-mime-handles nil))))))
9476 (when (and raw (not force)
9477 (member gnus-newsgroup-name '("nndraft:delayed"
9480 (error "Can't edit the raw article in group %s"
9481 gnus-newsgroup-name))
9483 (set-buffer gnus-summary-buffer)
9484 (let ((mail-parse-charset gnus-newsgroup-charset)
9485 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets))
9486 (gnus-set-global-variables)
9487 (when (and (not force)
9488 (gnus-group-read-only-p))
9489 (error "The current newsgroup does not support article editing"))
9490 (gnus-summary-show-article t)
9491 (when (and (not raw) (gnus-buffer-live-p gnus-article-buffer))
9492 (with-current-buffer gnus-article-buffer
9493 (mm-enable-multibyte)))
9494 (if (member gnus-newsgroup-name '("nndraft:delayed" "nndraft:drafts"))
9496 (gnus-article-edit-article
9499 (let ((mbl mml-buffer-list))
9500 (setq mml-buffer-list nil)
9501 (mime-to-mml ,'current-handles)
9502 (let ((mbl1 mml-buffer-list))
9503 (setq mml-buffer-list mbl)
9504 (set (make-local-variable 'mml-buffer-list) mbl1))
9505 (gnus-make-local-hook 'kill-buffer-hook)
9506 (add-hook 'kill-buffer-hook 'mml-destroy-buffers t t))))
9507 `(lambda (no-highlight)
9508 (let ((mail-parse-charset ',gnus-newsgroup-charset)
9509 (message-options message-options)
9510 (message-options-set-recipient)
9511 (mail-parse-ignored-charsets
9512 ',gnus-newsgroup-ignored-charsets))
9513 ,(if (not raw) '(progn
9515 (mml-destroy-buffers)
9516 (remove-hook 'kill-buffer-hook
9517 'mml-destroy-buffers t)
9518 (kill-local-variable 'mml-buffer-list)))
9519 (gnus-summary-edit-article-done
9520 ,(or (mail-header-references gnus-current-headers) "")
9521 ,(gnus-group-read-only-p)
9522 ,gnus-summary-buffer no-highlight))))))))
9524 (defalias 'gnus-summary-edit-article-postpone 'gnus-article-edit-exit)
9526 (defun gnus-summary-edit-article-done (&optional references read-only buffer
9528 "Make edits to the current article permanent."
9531 ;; The buffer restriction contains the entire article if it exists.
9532 (when (article-goto-body)
9533 (let ((lines (count-lines (point) (point-max)))
9534 (length (- (point-max) (point)))
9535 (case-fold-search t)
9536 (body (copy-marker (point))))
9537 (goto-char (point-min))
9538 (when (re-search-forward "^content-length:[ \t]\\([0-9]+\\)" body t)
9539 (delete-region (match-beginning 1) (match-end 1))
9540 (insert (number-to-string length)))
9541 (goto-char (point-min))
9542 (when (re-search-forward
9543 "^x-content-length:[ \t]\\([0-9]+\\)" body t)
9544 (delete-region (match-beginning 1) (match-end 1))
9545 (insert (number-to-string length)))
9546 (goto-char (point-min))
9547 (when (re-search-forward "^lines:[ \t]\\([0-9]+\\)" body t)
9548 (delete-region (match-beginning 1) (match-end 1))
9549 (insert (number-to-string lines))))))
9550 ;; Replace the article.
9551 (let ((buf (current-buffer)))
9553 (insert-buffer-substring buf)
9555 (if (and (not read-only)
9556 (not (gnus-request-replace-article
9557 (cdr gnus-article-current) (car gnus-article-current)
9558 (current-buffer) t)))
9559 (error "Couldn't replace article")
9560 ;; Update the summary buffer.
9562 (equal (message-tokenize-header references " ")
9563 (message-tokenize-header
9564 (or (message-fetch-field "references") "") " ")))
9565 ;; We only have to update this line.
9568 (message-narrow-to-head)
9569 (let ((head (buffer-string))
9572 (insert (format "211 %d Article retrieved.\n"
9573 (cdr gnus-article-current)))
9576 (let ((nntp-server-buffer (current-buffer)))
9577 (setq header (car (gnus-get-newsgroup-headers
9580 (set-buffer gnus-summary-buffer)
9581 (gnus-data-set-header
9582 (gnus-data-find (cdr gnus-article-current))
9584 (gnus-summary-update-article-line
9585 (cdr gnus-article-current) header)
9586 (if (gnus-summary-goto-subject
9587 (cdr gnus-article-current) nil t)
9588 (gnus-summary-update-secondary-mark
9589 (cdr gnus-article-current))))))))
9591 (set-buffer (or buffer gnus-summary-buffer))
9592 (gnus-summary-update-article (cdr gnus-article-current))
9593 (if (gnus-summary-goto-subject (cdr gnus-article-current) nil t)
9594 (gnus-summary-update-secondary-mark
9595 (cdr gnus-article-current))))
9596 ;; Prettify the article buffer again.
9597 (unless no-highlight
9599 (set-buffer gnus-article-buffer)
9600 ;;;!!! Fix this -- article should be rehighlighted.
9601 ;;;(gnus-run-hooks 'gnus-article-display-hook)
9602 (set-buffer gnus-original-article-buffer)
9603 (gnus-request-article
9604 (cdr gnus-article-current)
9605 (car gnus-article-current) (current-buffer))))
9606 ;; Prettify the summary buffer line.
9607 (when (gnus-visual-p 'summary-highlight 'highlight)
9608 (gnus-run-hooks 'gnus-visual-mark-article-hook))))))
9610 (defun gnus-summary-edit-wash (key)
9611 "Perform editing command KEY in the article buffer."
9615 (message "%s" (concat (this-command-keys) "- "))
9618 (gnus-summary-edit-article)
9619 (execute-kbd-macro (concat (this-command-keys) key))
9620 (gnus-article-edit-done))
9624 (defun gnus-summary-respool-query (&optional silent trace)
9625 "Query where the respool algorithm would put this article."
9627 (let (gnus-mark-article-hook)
9628 (gnus-summary-select-article)
9630 (set-buffer gnus-original-article-buffer)
9631 (let ((groups (nnmail-article-group 'identity trace)))
9634 (message "This message would go to %s"
9635 (mapconcat 'car groups ", "))
9636 (message "This message would go to no groups"))
9639 (defun gnus-summary-respool-trace ()
9640 "Trace where the respool algorithm would put this article.
9641 Display a buffer showing all fancy splitting patterns which matched."
9643 (gnus-summary-respool-query nil t))
9645 ;; Summary marking commands.
9647 (defun gnus-summary-kill-same-subject-and-select (&optional unmark)
9648 "Mark articles which has the same subject as read, and then select the next.
9649 If UNMARK is positive, remove any kind of mark.
9650 If UNMARK is negative, tick articles."
9653 (setq unmark (prefix-numeric-value unmark)))
9655 (gnus-summary-mark-same-subject
9656 (gnus-summary-article-subject) unmark)))
9657 ;; Select next unread article. If auto-select-same mode, should
9658 ;; select the first unread article.
9659 (gnus-summary-next-article t (and gnus-auto-select-same
9660 (gnus-summary-article-subject)))
9661 (gnus-message 7 "%d article%s marked as %s"
9662 count (if (= count 1) " is" "s are")
9663 (if unmark "unread" "read"))))
9665 (defun gnus-summary-kill-same-subject (&optional unmark)
9666 "Mark articles which has the same subject as read.
9667 If UNMARK is positive, remove any kind of mark.
9668 If UNMARK is negative, tick articles."
9671 (setq unmark (prefix-numeric-value unmark)))
9673 (gnus-summary-mark-same-subject
9674 (gnus-summary-article-subject) unmark)))
9675 ;; If marked as read, go to next unread subject.
9677 ;; Go to next unread subject.
9678 (gnus-summary-next-subject 1 t))
9679 (gnus-message 7 "%d articles are marked as %s"
9680 count (if unmark "unread" "read"))))
9682 (defun gnus-summary-mark-same-subject (subject &optional unmark)
9683 "Mark articles with same SUBJECT as read, and return marked number.
9684 If optional argument UNMARK is positive, remove any kinds of marks.
9685 If optional argument UNMARK is negative, mark articles as unread instead."
9689 ((null unmark) ; Mark as read.
9692 (gnus-summary-mark-article-as-read gnus-killed-mark)
9693 (gnus-summary-show-thread) t)
9694 (gnus-summary-find-subject subject))
9695 (setq count (1+ count))))
9696 ((> unmark 0) ; Tick.
9699 (gnus-summary-mark-article-as-unread gnus-ticked-mark)
9700 (gnus-summary-show-thread) t)
9701 (gnus-summary-find-subject subject))
9702 (setq count (1+ count))))
9703 (t ; Mark as unread.
9706 (gnus-summary-mark-article-as-unread gnus-unread-mark)
9707 (gnus-summary-show-thread) t)
9708 (gnus-summary-find-subject subject))
9709 (setq count (1+ count)))))
9710 (gnus-set-mode-line 'summary)
9711 ;; Return the number of marked articles.
9714 (defun gnus-summary-mark-as-processable (n &optional unmark)
9715 "Set the process mark on the next N articles.
9716 If N is negative, mark backward instead. If UNMARK is non-nil, remove
9717 the process mark instead. The difference between N and the actual
9718 number of articles marked is returned."
9720 (if (and (null n) (gnus-region-active-p))
9721 (gnus-uu-mark-region (region-beginning) (region-end) unmark)
9722 (setq n (prefix-numeric-value n))
9723 (let ((backward (< n 0))
9728 (gnus-summary-remove-process-mark
9729 (gnus-summary-article-number))
9730 (gnus-summary-set-process-mark (gnus-summary-article-number)))
9731 (zerop (gnus-summary-next-subject (if backward -1 1) nil t)))
9734 (gnus-message 7 "No more articles"))
9735 (gnus-summary-recenter)
9736 (gnus-summary-position-point)
9739 (defun gnus-summary-unmark-as-processable (n)
9740 "Remove the process mark from the next N articles.
9741 If N is negative, unmark backward instead. The difference between N and
9742 the actual number of articles unmarked is returned."
9744 (gnus-summary-mark-as-processable n t))
9746 (defun gnus-summary-unmark-all-processable ()
9747 "Remove the process mark from all articles."
9750 (while gnus-newsgroup-processable
9751 (gnus-summary-remove-process-mark (car gnus-newsgroup-processable))))
9752 (gnus-summary-position-point))
9754 (defun gnus-summary-add-mark (article type)
9755 "Mark ARTICLE with a mark of TYPE."
9756 (let ((vtype (car (assq type gnus-article-mark-lists)))
9759 (error "No such mark type: %s" type)
9760 (setq var (intern (format "gnus-newsgroup-%s" type)))
9761 (set var (cons article (symbol-value var)))
9762 (if (memq type '(processable cached replied forwarded recent saved))
9763 (gnus-summary-update-secondary-mark article)
9764 ;;; !!! This is bogus. We should find out what primary
9765 ;;; !!! mark we want to set.
9766 (gnus-summary-update-mark gnus-del-mark 'unread)))))
9768 (defun gnus-summary-mark-as-expirable (n)
9769 "Mark N articles forward as expirable.
9770 If N is negative, mark backward instead. The difference between N and
9771 the actual number of articles marked is returned."
9773 (gnus-summary-mark-forward n gnus-expirable-mark))
9775 (defun gnus-summary-mark-as-spam (n)
9776 "Mark N articles forward as spam.
9777 If N is negative, mark backward instead. The difference between N and
9778 the actual number of articles marked is returned."
9780 (gnus-summary-mark-forward n gnus-spam-mark))
9782 (defun gnus-summary-mark-article-as-replied (article)
9783 "Mark ARTICLE as replied to and update the summary line.
9784 ARTICLE can also be a list of articles."
9785 (interactive (list (gnus-summary-article-number)))
9786 (let ((articles (if (listp article) article (list article))))
9787 (dolist (article articles)
9788 (unless (numberp article)
9789 (error "%s is not a number" article))
9790 (push article gnus-newsgroup-replied)
9791 (let ((buffer-read-only nil))
9792 (when (gnus-summary-goto-subject article nil t)
9793 (gnus-summary-update-secondary-mark article))))))
9795 (defun gnus-summary-mark-article-as-forwarded (article)
9796 "Mark ARTICLE as forwarded and update the summary line.
9797 ARTICLE can also be a list of articles."
9798 (let ((articles (if (listp article) article (list article))))
9799 (dolist (article articles)
9800 (push article gnus-newsgroup-forwarded)
9801 (let ((buffer-read-only nil))
9802 (when (gnus-summary-goto-subject article nil t)
9803 (gnus-summary-update-secondary-mark article))))))
9805 (defun gnus-summary-set-bookmark (article)
9806 "Set a bookmark in current article."
9807 (interactive (list (gnus-summary-article-number)))
9808 (when (or (not (get-buffer gnus-article-buffer))
9809 (not gnus-current-article)
9810 (not gnus-article-current)
9811 (not (equal gnus-newsgroup-name (car gnus-article-current))))
9812 (error "No current article selected"))
9813 ;; Remove old bookmark, if one exists.
9814 (gnus-pull article gnus-newsgroup-bookmarks)
9815 ;; Set the new bookmark, which is on the form
9816 ;; (article-number . line-number-in-body).
9819 (with-current-buffer gnus-article-buffer
9826 gnus-newsgroup-bookmarks)
9827 (gnus-message 6 "A bookmark has been added to the current article."))
9829 (defun gnus-summary-remove-bookmark (article)
9830 "Remove the bookmark from the current article."
9831 (interactive (list (gnus-summary-article-number)))
9832 ;; Remove old bookmark, if one exists.
9833 (if (not (assq article gnus-newsgroup-bookmarks))
9834 (gnus-message 6 "No bookmark in current article.")
9835 (gnus-pull article gnus-newsgroup-bookmarks)
9836 (gnus-message 6 "Removed bookmark.")))
9838 ;; Suggested by Daniel Quinlan <quinlan@best.com>.
9839 (defun gnus-summary-mark-as-dormant (n)
9840 "Mark N articles forward as dormant.
9841 If N is negative, mark backward instead. The difference between N and
9842 the actual number of articles marked is returned."
9844 (gnus-summary-mark-forward n gnus-dormant-mark))
9846 (defun gnus-summary-set-process-mark (article)
9847 "Set the process mark on ARTICLE and update the summary line."
9848 (setq gnus-newsgroup-processable
9850 (delq article gnus-newsgroup-processable)))
9851 (when (gnus-summary-goto-subject article)
9852 (gnus-summary-show-thread)
9853 (gnus-summary-goto-subject article)
9854 (gnus-summary-update-secondary-mark article)))
9856 (defun gnus-summary-remove-process-mark (article)
9857 "Remove the process mark from ARTICLE and update the summary line."
9858 (setq gnus-newsgroup-processable (delq article gnus-newsgroup-processable))
9859 (when (gnus-summary-goto-subject article)
9860 (gnus-summary-show-thread)
9861 (gnus-summary-goto-subject article)
9862 (gnus-summary-update-secondary-mark article)))
9864 (defun gnus-summary-set-saved-mark (article)
9865 "Set the process mark on ARTICLE and update the summary line."
9866 (push article gnus-newsgroup-saved)
9867 (when (gnus-summary-goto-subject article)
9868 (gnus-summary-update-secondary-mark article)))
9870 (defun gnus-summary-mark-forward (n &optional mark no-expire)
9871 "Mark N articles as read forwards.
9872 If N is negative, mark backwards instead. Mark with MARK, ?r by default.
9873 The difference between N and the actual number of articles marked is
9875 If NO-EXPIRE, auto-expiry will be inhibited."
9877 (gnus-summary-show-thread)
9878 (let ((backward (< n 0))
9879 (gnus-summary-goto-unread
9880 (and gnus-summary-goto-unread
9881 (not (eq gnus-summary-goto-unread 'never))
9882 (not (memq mark (list gnus-unread-mark gnus-spam-mark
9883 gnus-ticked-mark gnus-dormant-mark)))))
9885 (mark (or mark gnus-del-mark)))
9887 (gnus-summary-mark-article nil mark no-expire)
9888 (zerop (gnus-summary-next-subject
9890 (and gnus-summary-goto-unread
9891 (not (eq gnus-summary-goto-unread 'never)))
9895 (gnus-message 7 "No more %sarticles" (if mark "" "unread ")))
9896 (gnus-summary-recenter)
9897 (gnus-summary-position-point)
9898 (gnus-set-mode-line 'summary)
9901 (defun gnus-summary-mark-article-as-read (mark)
9902 "Mark the current article quickly as read with MARK."
9903 (let ((article (gnus-summary-article-number)))
9904 (setq gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
9905 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
9906 (setq gnus-newsgroup-spam-marked (delq article gnus-newsgroup-spam-marked))
9907 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
9908 (push (cons article mark) gnus-newsgroup-reads)
9909 ;; Possibly remove from cache, if that is used.
9910 (when gnus-use-cache
9911 (gnus-cache-enter-remove-article article))
9912 ;; Allow the backend to change the mark.
9913 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
9914 ;; Check for auto-expiry.
9915 (when (and gnus-newsgroup-auto-expire
9916 (memq mark gnus-auto-expirable-marks))
9917 (setq mark gnus-expirable-mark)
9918 ;; Let the backend know about the mark change.
9919 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
9920 (push article gnus-newsgroup-expirable))
9921 ;; Set the mark in the buffer.
9922 (gnus-summary-update-mark mark 'unread)
9925 (defun gnus-summary-mark-article-as-unread (mark)
9926 "Mark the current article quickly as unread with MARK."
9927 (let* ((article (gnus-summary-article-number))
9928 (old-mark (gnus-summary-article-mark article)))
9929 ;; Allow the backend to change the mark.
9930 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
9931 (if (eq mark old-mark)
9935 (gnus-error 1 "Can't mark negative article numbers")
9937 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
9938 (setq gnus-newsgroup-spam-marked
9939 (delq article gnus-newsgroup-spam-marked))
9940 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
9941 (setq gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable))
9942 (setq gnus-newsgroup-reads (delq article gnus-newsgroup-reads))
9943 (cond ((= mark gnus-ticked-mark)
9944 (setq gnus-newsgroup-marked
9945 (gnus-add-to-sorted-list gnus-newsgroup-marked
9947 ((= mark gnus-spam-mark)
9948 (setq gnus-newsgroup-spam-marked
9949 (gnus-add-to-sorted-list gnus-newsgroup-spam-marked
9951 ((= mark gnus-dormant-mark)
9952 (setq gnus-newsgroup-dormant
9953 (gnus-add-to-sorted-list gnus-newsgroup-dormant
9956 (setq gnus-newsgroup-unreads
9957 (gnus-add-to-sorted-list gnus-newsgroup-unreads
9959 (gnus-pull article gnus-newsgroup-reads)
9961 ;; See whether the article is to be put in the cache.
9963 (vectorp (gnus-summary-article-header article))
9965 (gnus-cache-possibly-enter-article
9966 gnus-newsgroup-name article
9967 (= mark gnus-ticked-mark)
9968 (= mark gnus-dormant-mark) (= mark gnus-unread-mark))))
9971 (gnus-summary-update-mark mark 'unread)
9974 (defun gnus-summary-mark-article (&optional article mark no-expire)
9975 "Mark ARTICLE with MARK. MARK can be any character.
9976 Four MARK strings are reserved: `? ' (unread), `?!' (ticked),
9977 `??' (dormant) and `?E' (expirable).
9978 If MARK is nil, then the default character `?r' is used.
9979 If ARTICLE is nil, then the article on the current line will be
9981 If NO-EXPIRE, auto-expiry will be inhibited."
9982 ;; The mark might be a string.
9983 (when (stringp mark)
9984 (setq mark (aref mark 0)))
9985 ;; If no mark is given, then we check auto-expiring.
9987 (setq mark gnus-del-mark))
9988 (when (and (not no-expire)
9989 gnus-newsgroup-auto-expire
9990 (memq mark gnus-auto-expirable-marks))
9991 (setq mark gnus-expirable-mark))
9992 (let ((article (or article (gnus-summary-article-number)))
9993 (old-mark (gnus-summary-article-mark article)))
9994 ;; Allow the backend to change the mark.
9995 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
9996 (if (eq mark old-mark)
9999 (error "No article on current line"))
10000 (if (not (if (or (= mark gnus-unread-mark)
10001 (= mark gnus-ticked-mark)
10002 (= mark gnus-spam-mark)
10003 (= mark gnus-dormant-mark))
10004 (gnus-mark-article-as-unread article mark)
10005 (gnus-mark-article-as-read article mark)))
10007 ;; See whether the article is to be put in the cache.
10008 (and gnus-use-cache
10009 (not (= mark gnus-canceled-mark))
10010 (vectorp (gnus-summary-article-header article))
10012 (gnus-cache-possibly-enter-article
10013 gnus-newsgroup-name article
10014 (= mark gnus-ticked-mark)
10015 (= mark gnus-dormant-mark) (= mark gnus-unread-mark))))
10017 (when (gnus-summary-goto-subject article nil t)
10018 (let ((buffer-read-only nil))
10019 (gnus-summary-show-thread)
10021 (gnus-summary-update-mark mark 'unread)
10024 (defun gnus-summary-update-secondary-mark (article)
10025 "Update the secondary (read, process, cache) mark."
10026 (gnus-summary-update-mark
10027 (cond ((memq article gnus-newsgroup-processable)
10029 ((memq article gnus-newsgroup-cached)
10031 ((memq article gnus-newsgroup-replied)
10033 ((memq article gnus-newsgroup-forwarded)
10034 gnus-forwarded-mark)
10035 ((memq article gnus-newsgroup-saved)
10037 ((memq article gnus-newsgroup-recent)
10039 ((memq article gnus-newsgroup-unseen)
10043 (when (gnus-visual-p 'summary-highlight 'highlight)
10044 (gnus-run-hooks 'gnus-summary-update-hook))
10047 (defun gnus-summary-update-download-mark (article)
10048 "Update the download mark."
10049 (gnus-summary-update-mark
10050 (cond ((memq article gnus-newsgroup-undownloaded)
10051 gnus-undownloaded-mark)
10052 (gnus-newsgroup-agentized
10053 gnus-downloaded-mark)
10057 (gnus-summary-update-line t)
10060 (defun gnus-summary-update-mark (mark type)
10061 (let ((forward (cdr (assq type gnus-summary-mark-positions)))
10062 (buffer-read-only nil))
10063 (re-search-backward "[\n\r]" (point-at-bol) 'move-to-limit)
10065 (when (looking-at "\r")
10067 (when (<= (+ forward (point)) (point-max))
10068 ;; Go to the right position on the line.
10069 (goto-char (+ forward (point)))
10070 ;; Replace the old mark with the new mark.
10071 (subst-char-in-region (point) (1+ (point)) (char-after) mark)
10072 ;; Optionally update the marks by some user rule.
10073 (when (eq type 'unread)
10074 (gnus-data-set-mark
10075 (gnus-data-find (gnus-summary-article-number)) mark)
10076 (gnus-summary-update-line (eq mark gnus-unread-mark)))))))
10078 (defun gnus-mark-article-as-read (article &optional mark)
10079 "Enter ARTICLE in the pertinent lists and remove it from others."
10080 ;; Make the article expirable.
10081 (let ((mark (or mark gnus-del-mark)))
10082 (setq gnus-newsgroup-expirable
10083 (if (= mark gnus-expirable-mark)
10084 (gnus-add-to-sorted-list gnus-newsgroup-expirable article)
10085 (delq article gnus-newsgroup-expirable)))
10086 ;; Remove from unread and marked lists.
10087 (setq gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
10088 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
10089 (setq gnus-newsgroup-spam-marked (delq article gnus-newsgroup-spam-marked))
10090 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
10091 (push (cons article mark) gnus-newsgroup-reads)
10092 ;; Possibly remove from cache, if that is used.
10093 (when gnus-use-cache
10094 (gnus-cache-enter-remove-article article))
10097 (defun gnus-mark-article-as-unread (article &optional mark)
10098 "Enter ARTICLE in the pertinent lists and remove it from others."
10099 (let ((mark (or mark gnus-ticked-mark)))
10102 (gnus-error 1 "Can't mark negative article numbers")
10104 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked)
10105 gnus-newsgroup-spam-marked (delq article gnus-newsgroup-spam-marked)
10106 gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant)
10107 gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable)
10108 gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
10110 ;; Unsuppress duplicates?
10111 (when gnus-suppress-duplicates
10112 (gnus-dup-unsuppress-article article))
10114 (cond ((= mark gnus-ticked-mark)
10115 (setq gnus-newsgroup-marked
10116 (gnus-add-to-sorted-list gnus-newsgroup-marked article)))
10117 ((= mark gnus-spam-mark)
10118 (setq gnus-newsgroup-spam-marked
10119 (gnus-add-to-sorted-list gnus-newsgroup-spam-marked
10121 ((= mark gnus-dormant-mark)
10122 (setq gnus-newsgroup-dormant
10123 (gnus-add-to-sorted-list gnus-newsgroup-dormant article)))
10125 (setq gnus-newsgroup-unreads
10126 (gnus-add-to-sorted-list gnus-newsgroup-unreads article))))
10127 (gnus-pull article gnus-newsgroup-reads)
10130 (defalias 'gnus-summary-mark-as-unread-forward
10131 'gnus-summary-tick-article-forward)
10132 (make-obsolete 'gnus-summary-mark-as-unread-forward
10133 'gnus-summary-tick-article-forward)
10134 (defun gnus-summary-tick-article-forward (n)
10135 "Tick N articles forwards.
10136 If N is negative, tick backwards instead.
10137 The difference between N and the number of articles ticked is returned."
10139 (gnus-summary-mark-forward n gnus-ticked-mark))
10141 (defalias 'gnus-summary-mark-as-unread-backward
10142 'gnus-summary-tick-article-backward)
10143 (make-obsolete 'gnus-summary-mark-as-unread-backward
10144 'gnus-summary-tick-article-backward)
10145 (defun gnus-summary-tick-article-backward (n)
10146 "Tick N articles backwards.
10147 The difference between N and the number of articles ticked is returned."
10149 (gnus-summary-mark-forward (- n) gnus-ticked-mark))
10151 (defalias 'gnus-summary-mark-as-unread 'gnus-summary-tick-article)
10152 (make-obsolete 'gnus-summary-mark-as-unread 'gnus-summary-tick-article)
10153 (defun gnus-summary-tick-article (&optional article clear-mark)
10154 "Mark current article as unread.
10155 Optional 1st argument ARTICLE specifies article number to be marked as unread.
10156 Optional 2nd argument CLEAR-MARK remove any kinds of mark."
10158 (gnus-summary-mark-article article (if clear-mark gnus-unread-mark
10159 gnus-ticked-mark)))
10161 (defun gnus-summary-mark-as-read-forward (n)
10162 "Mark N articles as read forwards.
10163 If N is negative, mark backwards instead.
10164 The difference between N and the actual number of articles marked is
10167 (gnus-summary-mark-forward n gnus-del-mark gnus-inhibit-user-auto-expire))
10169 (defun gnus-summary-mark-as-read-backward (n)
10170 "Mark the N articles as read backwards.
10171 The difference between N and the actual number of articles marked is
10174 (gnus-summary-mark-forward
10175 (- n) gnus-del-mark gnus-inhibit-user-auto-expire))
10177 (defun gnus-summary-mark-as-read (&optional article mark)
10178 "Mark current article as read.
10179 ARTICLE specifies the article to be marked as read.
10180 MARK specifies a string to be inserted at the beginning of the line."
10181 (gnus-summary-mark-article article mark))
10183 (defun gnus-summary-clear-mark-forward (n)
10184 "Clear marks from N articles forward.
10185 If N is negative, clear backward instead.
10186 The difference between N and the number of marks cleared is returned."
10188 (gnus-summary-mark-forward n gnus-unread-mark))
10190 (defun gnus-summary-clear-mark-backward (n)
10191 "Clear marks from N articles backward.
10192 The difference between N and the number of marks cleared is returned."
10194 (gnus-summary-mark-forward (- n) gnus-unread-mark))
10196 (defun gnus-summary-mark-unread-as-read ()
10197 "Intended to be used by `gnus-summary-mark-article-hook'."
10198 (when (memq gnus-current-article gnus-newsgroup-unreads)
10199 (gnus-summary-mark-article gnus-current-article gnus-read-mark)))
10201 (defun gnus-summary-mark-read-and-unread-as-read (&optional new-mark)
10202 "Intended to be used by `gnus-summary-mark-article-hook'."
10203 (let ((mark (gnus-summary-article-mark)))
10204 (when (or (gnus-unread-mark-p mark)
10205 (gnus-read-mark-p mark))
10206 (gnus-summary-mark-article gnus-current-article
10207 (or new-mark gnus-read-mark)))))
10209 (defun gnus-summary-mark-current-read-and-unread-as-read (&optional new-mark)
10210 "Intended to be used by `gnus-summary-mark-article-hook'."
10211 (let ((mark (gnus-summary-article-mark)))
10212 (when (or (gnus-unread-mark-p mark)
10213 (gnus-read-mark-p mark))
10214 (gnus-summary-mark-article (gnus-summary-article-number)
10215 (or new-mark gnus-read-mark)))))
10217 (defun gnus-summary-mark-unread-as-ticked ()
10218 "Intended to be used by `gnus-summary-mark-article-hook'."
10219 (when (memq gnus-current-article gnus-newsgroup-unreads)
10220 (gnus-summary-mark-article gnus-current-article gnus-ticked-mark)))
10222 (defun gnus-summary-mark-region-as-read (point mark all)
10223 "Mark all unread articles between point and mark as read.
10224 If given a prefix, mark all articles between point and mark as read,
10225 even ticked and dormant ones."
10226 (interactive "r\nP")
10230 (beginning-of-line)
10235 (memq (setq article (gnus-summary-article-number))
10236 gnus-newsgroup-unreads))
10237 (gnus-summary-mark-article article gnus-del-mark))
10239 (gnus-summary-find-next))))))
10241 (defun gnus-summary-mark-below (score mark)
10242 "Mark articles with score less than SCORE with MARK."
10243 (interactive "P\ncMark: ")
10244 (setq score (if score
10245 (prefix-numeric-value score)
10246 (or gnus-summary-default-score 0)))
10248 (set-buffer gnus-summary-buffer)
10249 (goto-char (point-min))
10252 (and (< (gnus-summary-article-score) score)
10253 (gnus-summary-mark-article nil mark))
10254 (gnus-summary-find-next)))))
10256 (defun gnus-summary-kill-below (&optional score)
10257 "Mark articles with score below SCORE as read."
10259 (gnus-summary-mark-below score gnus-killed-mark))
10261 (defun gnus-summary-clear-above (&optional score)
10262 "Clear all marks from articles with score above SCORE."
10264 (gnus-summary-mark-above score gnus-unread-mark))
10266 (defun gnus-summary-tick-above (&optional score)
10267 "Tick all articles with score above SCORE."
10269 (gnus-summary-mark-above score gnus-ticked-mark))
10271 (defun gnus-summary-mark-above (score mark)
10272 "Mark articles with score over SCORE with MARK."
10273 (interactive "P\ncMark: ")
10274 (setq score (if score
10275 (prefix-numeric-value score)
10276 (or gnus-summary-default-score 0)))
10278 (set-buffer gnus-summary-buffer)
10279 (goto-char (point-min))
10281 (when (> (gnus-summary-article-score) score)
10282 (gnus-summary-mark-article nil mark))
10284 (gnus-summary-find-next)))))
10286 ;; Suggested by Daniel Quinlan <quinlan@best.com>.
10287 (defalias 'gnus-summary-show-all-expunged 'gnus-summary-limit-include-expunged)
10288 (defun gnus-summary-limit-include-expunged (&optional no-error)
10289 "Display all the hidden articles that were expunged for low scores."
10291 (let ((buffer-read-only nil))
10292 (let ((scored gnus-newsgroup-scored)
10295 (unless (gnus-summary-article-header (caar scored))
10296 (and (setq h (gnus-number-to-header (caar scored)))
10297 (< (cdar scored) gnus-summary-expunge-below)
10299 (setq scored (cdr scored)))
10301 (when (not no-error)
10302 (error "No expunged articles hidden"))
10303 (goto-char (point-min))
10304 (push gnus-newsgroup-limit gnus-newsgroup-limits)
10305 (setq gnus-newsgroup-limit (copy-sequence gnus-newsgroup-limit))
10306 (mapcar (lambda (x) (push (mail-header-number x)
10307 gnus-newsgroup-limit))
10309 (gnus-summary-prepare-unthreaded (nreverse headers))
10310 (goto-char (point-min))
10311 (gnus-summary-position-point)
10314 (defun gnus-summary-catchup (&optional all quietly to-here not-mark reverse)
10315 "Mark all unread articles in this newsgroup as read.
10316 If prefix argument ALL is non-nil, ticked and dormant articles will
10317 also be marked as read.
10318 If QUIETLY is non-nil, no questions will be asked.
10320 If TO-HERE is non-nil, it should be a point in the buffer. All
10321 articles before (after, if REVERSE is set) this point will be marked
10324 Note that this function will only catch up the unread article
10325 in the current summary buffer limitation.
10327 The number of articles marked as read is returned."
10332 (not gnus-interactive-catchup) ;Without confirmation?
10336 "Mark absolutely all articles as read? "
10337 "Mark all unread articles as read? ")))
10339 (not gnus-newsgroup-adaptive)
10340 (not gnus-newsgroup-auto-expire)
10341 (not gnus-suppress-duplicates)
10342 (or (not gnus-use-cache)
10343 (eq gnus-use-cache 'passive)))
10346 (setq gnus-newsgroup-marked nil
10347 gnus-newsgroup-spam-marked nil
10348 gnus-newsgroup-dormant nil))
10349 (setq gnus-newsgroup-unreads
10350 (gnus-sorted-nunion
10351 (gnus-intersection gnus-newsgroup-unreads
10352 gnus-newsgroup-downloadable)
10353 gnus-newsgroup-unfetched)))
10354 ;; We actually mark all articles as canceled, which we
10355 ;; have to do when using auto-expiry or adaptive scoring.
10356 (gnus-summary-show-all-threads)
10357 (if (and to-here reverse)
10359 (goto-char to-here)
10360 (gnus-summary-mark-current-read-and-unread-as-read
10362 (while (gnus-summary-find-next (not all))
10363 (gnus-summary-mark-article-as-read gnus-catchup-mark)))
10364 (when (gnus-summary-first-subject (not all))
10366 (if to-here (< (point) to-here) t)
10367 (gnus-summary-mark-article-as-read gnus-catchup-mark)
10368 (gnus-summary-find-next (not all))))))
10369 (gnus-set-mode-line 'summary))
10371 (gnus-summary-position-point)))
10373 (defun gnus-summary-catchup-to-here (&optional all)
10374 "Mark all unticked articles before the current one as read.
10375 If ALL is non-nil, also mark ticked and dormant articles as read."
10378 (gnus-save-hidden-threads
10379 (let ((beg (point)))
10380 ;; We check that there are unread articles.
10381 (when (or all (gnus-summary-find-prev))
10382 (gnus-summary-catchup all t beg)))))
10383 (gnus-summary-position-point))
10385 (defun gnus-summary-catchup-from-here (&optional all)
10386 "Mark all unticked articles after (and including) the current one as read.
10387 If ALL is non-nil, also mark ticked and dormant articles as read."
10390 (gnus-save-hidden-threads
10391 (let ((beg (point)))
10392 ;; We check that there are unread articles.
10393 (when (or all (gnus-summary-find-next))
10394 (gnus-summary-catchup all t beg nil t)))))
10395 (gnus-summary-position-point))
10397 (defun gnus-summary-catchup-all (&optional quietly)
10398 "Mark all articles in this newsgroup as read.
10399 This command is dangerous. Normally, you want \\[gnus-summary-catchup]
10400 instead, which marks only unread articles as read."
10402 (gnus-summary-catchup t quietly))
10404 (defun gnus-summary-catchup-and-exit (&optional all quietly)
10405 "Mark all unread articles in this group as read, then exit.
10406 If prefix argument ALL is non-nil, all articles are marked as read.
10407 If QUIETLY is non-nil, no questions will be asked."
10409 (when (gnus-summary-catchup all quietly nil 'fast)
10410 ;; Select next newsgroup or exit.
10411 (if (and (not (gnus-group-quit-config gnus-newsgroup-name))
10412 (eq gnus-auto-select-next 'quietly))
10413 (gnus-summary-next-group nil)
10414 (gnus-summary-exit))))
10416 (defun gnus-summary-catchup-all-and-exit (&optional quietly)
10417 "Mark all articles in this newsgroup as read, and then exit.
10418 This command is dangerous. Normally, you want \\[gnus-summary-catchup-and-exit]
10419 instead, which marks only unread articles as read."
10421 (gnus-summary-catchup-and-exit t quietly))
10423 (defun gnus-summary-catchup-and-goto-next-group (&optional all)
10424 "Mark all articles in this group as read and select the next group.
10425 If given a prefix, mark all articles, unread as well as ticked, as
10429 (gnus-summary-catchup all))
10430 (gnus-summary-next-group))
10436 (defmacro gnus-with-article (article &rest forms)
10437 "Select ARTICLE and perform FORMS in the original article buffer.
10438 Then replace the article with the result."
10440 ;; We don't want the article to be marked as read.
10441 (let (gnus-mark-article-hook)
10442 (gnus-summary-select-article t t nil ,article))
10443 (set-buffer gnus-original-article-buffer)
10445 (if (not (gnus-check-backend-function
10446 'request-replace-article (car gnus-article-current)))
10447 (gnus-message 5 "Read-only group; not replacing")
10448 (unless (gnus-request-replace-article
10449 ,article (car gnus-article-current)
10450 (current-buffer) t)
10451 (error "Couldn't replace article")))
10452 ;; The cache and backlog have to be flushed somewhat.
10453 (when gnus-keep-backlog
10454 (gnus-backlog-remove-article
10455 (car gnus-article-current) (cdr gnus-article-current)))
10456 (when gnus-use-cache
10457 (gnus-cache-update-article
10458 (car gnus-article-current) (cdr gnus-article-current)))))
10460 (put 'gnus-with-article 'lisp-indent-function 1)
10461 (put 'gnus-with-article 'edebug-form-spec '(form body))
10463 ;; Thread-based commands.
10465 (defun gnus-summary-articles-in-thread (&optional article)
10466 "Return a list of all articles in the current thread.
10467 If ARTICLE is non-nil, return all articles in the thread that starts
10468 with that article."
10469 (let* ((article (or article (gnus-summary-article-number)))
10470 (data (gnus-data-find-list article))
10471 (top-level (gnus-data-level (car data)))
10473 (cond ((null gnus-thread-operation-ignore-subject)
10474 (gnus-simplify-subject-re
10475 (mail-header-subject (gnus-data-header (car data)))))
10476 ((eq gnus-thread-operation-ignore-subject 'fuzzy)
10477 (gnus-simplify-subject-fuzzy
10478 (mail-header-subject (gnus-data-header (car data)))))
10480 (end-point (save-excursion
10481 (if (gnus-summary-go-to-next-thread)
10482 (point) (point-max))))
10485 (< (gnus-data-pos (car data)) end-point))
10486 (when (or (not top-subject)
10487 (string= top-subject
10488 (if (eq gnus-thread-operation-ignore-subject 'fuzzy)
10489 (gnus-simplify-subject-fuzzy
10490 (mail-header-subject
10491 (gnus-data-header (car data))))
10492 (gnus-simplify-subject-re
10493 (mail-header-subject
10494 (gnus-data-header (car data)))))))
10495 (push (gnus-data-number (car data)) articles))
10496 (unless (and (setq data (cdr data))
10497 (> (gnus-data-level (car data)) top-level))
10499 ;; Return the list of articles.
10500 (nreverse articles)))
10502 (defun gnus-summary-rethread-current ()
10503 "Rethread the thread the current article is part of."
10505 (let* ((gnus-show-threads t)
10506 (article (gnus-summary-article-number))
10507 (id (mail-header-id (gnus-summary-article-header)))
10508 (gnus-newsgroup-threads (list (gnus-id-to-thread (gnus-root-id id)))))
10510 (error "No article on the current line"))
10511 (gnus-rebuild-thread id)
10512 (gnus-summary-goto-subject article)))
10514 (defun gnus-summary-reparent-thread ()
10515 "Make the current article child of the marked (or previous) article.
10517 Note that the re-threading will only work if `gnus-thread-ignore-subject'
10518 is non-nil or the Subject: of both articles are the same."
10520 (unless (not (gnus-group-read-only-p))
10521 (error "The current newsgroup does not support article editing"))
10522 (unless (<= (length gnus-newsgroup-processable) 1)
10523 (error "No more than one article may be marked"))
10524 (save-window-excursion
10525 (let ((gnus-article-buffer " *reparent*")
10526 (current-article (gnus-summary-article-number))
10527 ;; First grab the marked article, otherwise one line up.
10528 (parent-article (if (not (null gnus-newsgroup-processable))
10529 (car gnus-newsgroup-processable)
10531 (if (eq (forward-line -1) 0)
10532 (gnus-summary-article-number)
10533 (error "Beginning of summary buffer"))))))
10534 (unless (not (eq current-article parent-article))
10535 (error "An article may not be self-referential"))
10536 (let ((message-id (mail-header-id
10537 (gnus-summary-article-header parent-article))))
10538 (unless (and message-id (not (equal message-id "")))
10539 (error "No message-id in desired parent"))
10540 (gnus-with-article current-article
10542 (goto-char (point-min))
10543 (message-narrow-to-head)
10544 (if (re-search-forward "^References: " nil t)
10546 (re-search-forward "^[^ \t]" nil t)
10549 (insert " " message-id))
10550 (insert "References: " message-id "\n"))))
10551 (set-buffer gnus-summary-buffer)
10552 (gnus-summary-unmark-all-processable)
10553 (gnus-summary-update-article current-article)
10554 (if (gnus-summary-goto-subject (cdr gnus-article-current) nil t)
10555 (gnus-summary-update-secondary-mark (cdr gnus-article-current)))
10556 (gnus-summary-rethread-current)
10557 (gnus-message 3 "Article %d is now the child of article %d"
10558 current-article parent-article)))))
10560 (defun gnus-summary-toggle-threads (&optional arg)
10561 "Toggle showing conversation threads.
10562 If ARG is positive number, turn showing conversation threads on."
10564 (let ((current (or (gnus-summary-article-number) gnus-newsgroup-end)))
10565 (setq gnus-show-threads
10566 (if (null arg) (not gnus-show-threads)
10567 (> (prefix-numeric-value arg) 0)))
10568 (gnus-summary-prepare)
10569 (gnus-summary-goto-subject current)
10570 (gnus-message 6 "Threading is now %s" (if gnus-show-threads "on" "off"))
10571 (gnus-summary-position-point)))
10573 (defun gnus-summary-show-all-threads ()
10574 "Show all threads."
10577 (let ((buffer-read-only nil))
10578 (subst-char-in-region (point-min) (point-max) ?\^M ?\n t)))
10579 (gnus-summary-position-point))
10581 (defun gnus-summary-show-thread ()
10582 "Show thread subtrees.
10583 Returns nil if no thread was there to be shown."
10585 (let ((buffer-read-only nil)
10587 (end (point-at-eol))
10588 ;; Leave point at bol
10589 (beg (progn (beginning-of-line) (point))))
10591 ;; Any hidden lines here?
10592 (search-forward "\r" end t)
10593 (subst-char-in-region beg end ?\^M ?\n t)
10595 (gnus-summary-position-point))))
10597 (defun gnus-summary-maybe-hide-threads ()
10598 "If requested, hide the threads that should be hidden."
10599 (when (and gnus-show-threads
10600 gnus-thread-hide-subtree)
10601 (gnus-summary-hide-all-threads
10602 (if (or (consp gnus-thread-hide-subtree)
10603 (functionp gnus-thread-hide-subtree))
10604 (gnus-make-predicate gnus-thread-hide-subtree)
10607 ;;; Hiding predicates.
10609 (defun gnus-article-unread-p (header)
10610 (memq (mail-header-number header) gnus-newsgroup-unreads))
10612 (defun gnus-article-unseen-p (header)
10613 (memq (mail-header-number header) gnus-newsgroup-unseen))
10615 (defun gnus-map-articles (predicate articles)
10616 "Map PREDICATE over ARTICLES and return non-nil if any predicate is non-nil."
10617 (apply 'gnus-or (mapcar predicate
10618 (mapcar 'gnus-summary-article-header articles))))
10620 (defun gnus-summary-hide-all-threads (&optional predicate)
10621 "Hide all thread subtrees.
10622 If PREDICATE is supplied, threads that satisfy this predicate
10623 will not be hidden."
10626 (goto-char (point-min))
10629 (when (or (not predicate)
10631 predicate (gnus-summary-article-children)))
10632 (gnus-summary-hide-thread))
10633 (setq end (not (zerop (gnus-summary-next-thread 1 t)))))))
10634 (gnus-summary-position-point))
10636 (defun gnus-summary-hide-thread ()
10637 "Hide thread subtrees.
10638 If PREDICATE is supplied, threads that satisfy this predicate
10639 will not be hidden.
10640 Returns nil if no threads were there to be hidden."
10642 (let ((buffer-read-only nil)
10644 (article (gnus-summary-article-number)))
10646 ;; Go forward until either the buffer ends or the subthread
10648 (when (and (not (eobp))
10649 (or (zerop (gnus-summary-next-thread 1 t))
10650 (goto-char (point-max))))
10652 (if (and (> (point) start)
10653 (search-backward "\n" start t))
10655 (subst-char-in-region start (point) ?\n ?\^M)
10656 (gnus-summary-goto-subject article))
10660 (defun gnus-summary-go-to-next-thread (&optional previous)
10661 "Go to the same level (or less) next thread.
10662 If PREVIOUS is non-nil, go to previous thread instead.
10663 Return the article number moved to, or nil if moving was impossible."
10664 (let ((level (gnus-summary-thread-level))
10665 (way (if previous -1 1))
10668 (while (and (not (eobp))
10669 (< level (gnus-summary-thread-level)))
10670 (forward-line way))
10677 (gnus-summary-article-number)
10678 (goto-char beg)))))
10680 (defun gnus-summary-next-thread (n &optional silent)
10681 "Go to the same level next N'th thread.
10682 If N is negative, search backward instead.
10683 Returns the difference between N and the number of skips actually
10686 If SILENT, don't output messages."
10688 (let ((backward (< n 0))
10690 (while (and (> n 0)
10691 (gnus-summary-go-to-next-thread backward))
10694 (gnus-summary-position-point))
10695 (when (and (not silent) (/= 0 n))
10696 (gnus-message 7 "No more threads"))
10699 (defun gnus-summary-prev-thread (n)
10700 "Go to the same level previous N'th thread.
10701 Returns the difference between N and the number of skips actually
10704 (gnus-summary-next-thread (- n)))
10706 (defun gnus-summary-go-down-thread ()
10707 "Go down one level in the current thread."
10708 (let ((children (gnus-summary-article-children)))
10710 (gnus-summary-goto-subject (car children)))))
10712 (defun gnus-summary-go-up-thread ()
10713 "Go up one level in the current thread."
10714 (let ((parent (gnus-summary-article-parent)))
10716 (gnus-summary-goto-subject parent))))
10718 (defun gnus-summary-down-thread (n)
10719 "Go down thread N steps.
10720 If N is negative, go up instead.
10721 Returns the difference between N and how many steps down that were
10726 (while (and (> n 0)
10727 (if up (gnus-summary-go-up-thread)
10728 (gnus-summary-go-down-thread)))
10730 (gnus-summary-position-point)
10732 (gnus-message 7 "Can't go further"))
10735 (defun gnus-summary-up-thread (n)
10736 "Go up thread N steps.
10737 If N is negative, go down instead.
10738 Returns the difference between N and how many steps down that were
10741 (gnus-summary-down-thread (- n)))
10743 (defun gnus-summary-top-thread ()
10744 "Go to the top of the thread."
10746 (while (gnus-summary-go-up-thread))
10747 (gnus-summary-article-number))
10749 (defun gnus-summary-kill-thread (&optional unmark)
10750 "Mark articles under current thread as read.
10751 If the prefix argument is positive, remove any kinds of marks.
10752 If the prefix argument is negative, tick articles instead."
10755 (setq unmark (prefix-numeric-value unmark)))
10756 (let ((articles (gnus-summary-articles-in-thread)))
10758 ;; Expand the thread.
10759 (gnus-summary-show-thread)
10760 ;; Mark all the articles.
10762 (gnus-summary-goto-subject (car articles))
10763 (cond ((null unmark)
10764 (gnus-summary-mark-article-as-read gnus-killed-mark))
10766 (gnus-summary-mark-article-as-unread gnus-unread-mark))
10768 (gnus-summary-mark-article-as-unread gnus-ticked-mark)))
10769 (setq articles (cdr articles))))
10770 ;; Hide killed subtrees.
10772 gnus-thread-hide-killed
10773 (gnus-summary-hide-thread))
10774 ;; If marked as read, go to next unread subject.
10775 (when (null unmark)
10776 ;; Go to next unread subject.
10777 (gnus-summary-next-subject 1 t)))
10778 (gnus-set-mode-line 'summary))
10780 ;; Summary sorting commands
10782 (defun gnus-summary-sort-by-number (&optional reverse)
10783 "Sort the summary buffer by article number.
10784 Argument REVERSE means reverse order."
10786 (gnus-summary-sort 'number reverse))
10788 (defun gnus-summary-sort-by-random (&optional reverse)
10789 "Randomize the order in the summary buffer.
10790 Argument REVERSE means to randomize in reverse order."
10792 (gnus-summary-sort 'random reverse))
10794 (defun gnus-summary-sort-by-author (&optional reverse)
10795 "Sort the summary buffer by author name alphabetically.
10796 If `case-fold-search' is non-nil, case of letters is ignored.
10797 Argument REVERSE means reverse order."
10799 (gnus-summary-sort 'author reverse))
10801 (defun gnus-summary-sort-by-subject (&optional reverse)
10802 "Sort the summary buffer by subject alphabetically. `Re:'s are ignored.
10803 If `case-fold-search' is non-nil, case of letters is ignored.
10804 Argument REVERSE means reverse order."
10806 (gnus-summary-sort 'subject reverse))
10808 (defun gnus-summary-sort-by-date (&optional reverse)
10809 "Sort the summary buffer by date.
10810 Argument REVERSE means reverse order."
10812 (gnus-summary-sort 'date reverse))
10814 (defun gnus-summary-sort-by-score (&optional reverse)
10815 "Sort the summary buffer by score.
10816 Argument REVERSE means reverse order."
10818 (gnus-summary-sort 'score reverse))
10820 (defun gnus-summary-sort-by-lines (&optional reverse)
10821 "Sort the summary buffer by the number of lines.
10822 Argument REVERSE means reverse order."
10824 (gnus-summary-sort 'lines reverse))
10826 (defun gnus-summary-sort-by-chars (&optional reverse)
10827 "Sort the summary buffer by article length.
10828 Argument REVERSE means reverse order."
10830 (gnus-summary-sort 'chars reverse))
10832 (defun gnus-summary-sort-by-original (&optional reverse)
10833 "Sort the summary buffer using the default sorting method.
10834 Argument REVERSE means reverse order."
10836 (let* ((buffer-read-only)
10837 (gnus-summary-prepare-hook nil))
10838 ;; We do the sorting by regenerating the threads.
10839 (gnus-summary-prepare)
10840 ;; Hide subthreads if needed.
10841 (gnus-summary-maybe-hide-threads)))
10843 (defun gnus-summary-sort (predicate reverse)
10844 "Sort summary buffer by PREDICATE. REVERSE means reverse order."
10845 (let* ((thread (intern (format "gnus-thread-sort-by-%s" predicate)))
10846 (article (intern (format "gnus-article-sort-by-%s" predicate)))
10847 (gnus-thread-sort-functions
10852 (gnus-sort-gathered-threads-function
10853 gnus-thread-sort-functions)
10854 (gnus-article-sort-functions
10858 (,article t2 t1))))
10860 (gnus-summary-prepare-hook nil))
10861 ;; We do the sorting by regenerating the threads.
10862 (gnus-summary-prepare)
10863 ;; Hide subthreads if needed.
10864 (gnus-summary-maybe-hide-threads)))
10866 ;; Summary saving commands.
10868 (defun gnus-summary-save-article (&optional n not-saved)
10869 "Save the current article using the default saver function.
10870 If N is a positive number, save the N next articles.
10871 If N is a negative number, save the N previous articles.
10872 If N is nil and any articles have been marked with the process mark,
10873 save those articles instead.
10874 The variable `gnus-default-article-saver' specifies the saver function."
10876 (let* ((articles (gnus-summary-work-articles n))
10877 (save-buffer (save-excursion
10878 (nnheader-set-temp-buffer " *Gnus Save*")))
10879 (num (length articles))
10881 (dolist (article articles)
10882 (setq header (gnus-summary-article-header article))
10883 (if (not (vectorp header))
10884 ;; This is a pseudo-article.
10885 (if (assq 'name header)
10886 (gnus-copy-file (cdr (assq 'name header)))
10887 (gnus-message 1 "Article %d is unsaveable" article))
10888 ;; This is a real article.
10889 (save-window-excursion
10890 (let ((gnus-display-mime-function nil)
10891 (gnus-article-prepare-hook nil))
10892 (gnus-summary-select-article t nil nil article)))
10894 (set-buffer save-buffer)
10896 (insert-buffer-substring gnus-original-article-buffer))
10897 (setq file (gnus-article-save save-buffer file num))
10898 (gnus-summary-remove-process-mark article)
10900 (gnus-summary-set-saved-mark article))))
10901 (gnus-kill-buffer save-buffer)
10902 (gnus-summary-position-point)
10903 (gnus-set-mode-line 'summary)
10906 (defun gnus-summary-pipe-output (&optional arg headers)
10907 "Pipe the current article to a subprocess.
10908 If N is a positive number, pipe the N next articles.
10909 If N is a negative number, pipe the N previous articles.
10910 If N is nil and any articles have been marked with the process mark,
10911 pipe those articles instead.
10912 If HEADERS (the symbolic prefix), include the headers, too."
10913 (interactive (gnus-interactive "P\ny"))
10914 (require 'gnus-art)
10915 (let ((gnus-default-article-saver 'gnus-summary-save-in-pipe)
10916 (gnus-save-all-headers (or headers gnus-save-all-headers)))
10917 (gnus-summary-save-article arg t))
10918 (let ((buffer (get-buffer "*Shell Command Output*")))
10920 (not (zerop (buffer-size buffer))))
10921 (gnus-configure-windows 'pipe))))
10923 (defun gnus-summary-save-article-mail (&optional arg)
10924 "Append the current article to an mail file.
10925 If N is a positive number, save the N next articles.
10926 If N is a negative number, save the N previous articles.
10927 If N is nil and any articles have been marked with the process mark,
10928 save those articles instead."
10930 (require 'gnus-art)
10931 (let ((gnus-default-article-saver 'gnus-summary-save-in-mail))
10932 (gnus-summary-save-article arg)))
10934 (defun gnus-summary-save-article-rmail (&optional arg)
10935 "Append the current article to an rmail file.
10936 If N is a positive number, save the N next articles.
10937 If N is a negative number, save the N previous articles.
10938 If N is nil and any articles have been marked with the process mark,
10939 save those articles instead."
10941 (require 'gnus-art)
10942 (let ((gnus-default-article-saver 'gnus-summary-save-in-rmail))
10943 (gnus-summary-save-article arg)))
10945 (defun gnus-summary-save-article-file (&optional arg)
10946 "Append the current article to a file.
10947 If N is a positive number, save the N next articles.
10948 If N is a negative number, save the N previous articles.
10949 If N is nil and any articles have been marked with the process mark,
10950 save those articles instead."
10952 (require 'gnus-art)
10953 (let ((gnus-default-article-saver 'gnus-summary-save-in-file))
10954 (gnus-summary-save-article arg)))
10956 (defun gnus-summary-write-article-file (&optional arg)
10957 "Write the current article to a file, deleting the previous file.
10958 If N is a positive number, save the N next articles.
10959 If N is a negative number, save the N previous articles.
10960 If N is nil and any articles have been marked with the process mark,
10961 save those articles instead."
10963 (require 'gnus-art)
10964 (let ((gnus-default-article-saver 'gnus-summary-write-to-file))
10965 (gnus-summary-save-article arg)))
10967 (defun gnus-summary-save-article-body-file (&optional arg)
10968 "Append the current article body to a file.
10969 If N is a positive number, save the N next articles.
10970 If N is a negative number, save the N previous articles.
10971 If N is nil and any articles have been marked with the process mark,
10972 save those articles instead."
10974 (require 'gnus-art)
10975 (let ((gnus-default-article-saver 'gnus-summary-save-body-in-file))
10976 (gnus-summary-save-article arg)))
10978 (defun gnus-summary-muttprint (&optional arg)
10979 "Print the current article using Muttprint.
10980 If N is a positive number, save the N next articles.
10981 If N is a negative number, save the N previous articles.
10982 If N is nil and any articles have been marked with the process mark,
10983 save those articles instead."
10985 (require 'gnus-art)
10986 (let ((gnus-default-article-saver 'gnus-summary-pipe-to-muttprint))
10987 (gnus-summary-save-article arg t)))
10989 (defun gnus-summary-pipe-message (program)
10990 "Pipe the current article through PROGRAM."
10991 (interactive "sProgram: ")
10992 (gnus-summary-select-article)
10993 (let ((mail-header-separator ""))
10994 (gnus-eval-in-buffer-window gnus-article-buffer
10997 (let ((start (window-start))
10999 (message-pipe-buffer-body program)
11000 (set-window-start (get-buffer-window (current-buffer)) start))))))
11002 (defun gnus-get-split-value (methods)
11003 "Return a value based on the split METHODS."
11004 (let (split-name method result match)
11007 (set-buffer gnus-original-article-buffer)
11009 (nnheader-narrow-to-headers)
11010 (while (and methods (not split-name))
11011 (goto-char (point-min))
11012 (setq method (pop methods))
11013 (setq match (car method))
11016 ;; Regular expression.
11018 (re-search-forward match nil t)))
11023 (setq result (funcall match gnus-newsgroup-name))))
11028 (setq result (eval match)))))
11029 (setq split-name (cdr method))
11030 (cond ((stringp result)
11031 (push (expand-file-name
11032 result gnus-article-save-directory)
11035 (setq split-name (append result split-name)))))))))
11036 (nreverse split-name)))
11038 (defun gnus-valid-move-group-p (group)
11039 (and (boundp group)
11040 (symbol-name group)
11041 (symbol-value group)
11042 (gnus-get-function (gnus-find-method-for-group
11043 (symbol-name group)) 'request-accept-article t)))
11045 (defun gnus-read-move-group-name (prompt default articles prefix)
11046 "Read a group name."
11047 (let* ((split-name (gnus-get-split-value gnus-move-split-methods))
11048 (minibuffer-confirm-incomplete nil) ; XEmacs
11050 (format "%s %s to:"
11052 (if (> (length articles) 1)
11053 (format "these %d articles" (length articles))
11058 (gnus-completing-read-with-default
11061 'gnus-valid-move-group-p
11063 'gnus-group-history))
11064 ((= 1 (length split-name))
11065 (gnus-completing-read-with-default
11066 (car split-name) prom
11068 'gnus-valid-move-group-p
11070 'gnus-group-history))
11072 (gnus-completing-read-with-default
11074 (mapcar 'list (nreverse split-name))
11076 'gnus-group-history))))
11077 (to-method (gnus-server-to-method (gnus-group-method to-newsgroup))))
11079 (if (or (string= to-newsgroup "")
11080 (string= to-newsgroup prefix))
11081 (setq to-newsgroup default))
11082 (unless to-newsgroup
11083 (error "No group name entered"))
11084 (or (gnus-active to-newsgroup)
11085 (gnus-activate-group to-newsgroup nil nil to-method)
11086 (if (gnus-y-or-n-p (format "No such group: %s. Create it? "
11088 (or (and (gnus-request-create-group to-newsgroup to-method)
11089 (gnus-activate-group
11090 to-newsgroup nil nil to-method)
11091 (gnus-subscribe-group to-newsgroup))
11092 (error "Couldn't create group %s" to-newsgroup)))
11093 (error "No such group: %s" to-newsgroup)))
11096 (defun gnus-summary-save-parts (type dir n &optional reverse)
11097 "Save parts matching TYPE to DIR.
11098 If REVERSE, save parts that do not match TYPE."
11100 (list (read-string "Save parts of type: "
11101 (or (car gnus-summary-save-parts-type-history)
11102 gnus-summary-save-parts-default-mime)
11103 'gnus-summary-save-parts-type-history)
11104 (setq gnus-summary-save-parts-last-directory
11105 (read-file-name "Save to directory: "
11106 gnus-summary-save-parts-last-directory
11108 current-prefix-arg))
11109 (gnus-summary-iterate n
11110 (let ((gnus-display-mime-function nil)
11111 (gnus-inhibit-treatment t))
11112 (gnus-summary-select-article))
11114 (set-buffer gnus-article-buffer)
11115 (let ((handles (or gnus-article-mime-handles
11116 (mm-dissect-buffer nil gnus-article-loose-mime)
11117 (and gnus-article-emulate-mime
11118 (mm-uu-dissect)))))
11120 (gnus-summary-save-parts-1 type dir handles reverse)
11121 (unless gnus-article-mime-handles ;; Don't destroy this case.
11122 (mm-destroy-parts handles)))))))
11124 (defun gnus-summary-save-parts-1 (type dir handle reverse)
11125 (if (stringp (car handle))
11126 (mapcar (lambda (h) (gnus-summary-save-parts-1 type dir h reverse))
11129 (not (string-match type (mm-handle-media-type handle)))
11130 (string-match type (mm-handle-media-type handle)))
11131 (let ((file (expand-file-name
11133 mm-file-name-rewrite-functions
11134 (file-name-nondirectory
11136 (mail-content-type-get
11137 (mm-handle-disposition handle) 'filename)
11138 (mail-content-type-get
11139 (mm-handle-type handle) 'name)
11140 (concat gnus-newsgroup-name
11141 "." (number-to-string
11142 (cdr gnus-article-current))))))
11144 (unless (file-exists-p file)
11145 (mm-save-part-to-file handle file))))))
11147 ;; Summary extract commands
11149 (defun gnus-summary-insert-pseudos (pslist &optional not-view)
11150 (let ((buffer-read-only nil)
11151 (article (gnus-summary-article-number))
11153 (unless (gnus-summary-goto-subject article)
11154 (error "No such article: %d" article))
11155 (gnus-summary-position-point)
11156 ;; If all commands are to be bunched up on one line, we collect
11158 (unless gnus-view-pseudos-separately
11159 (let ((ps (setq pslist (sort pslist 'gnus-pseudos<)))
11162 (setq action (cdr (assq 'action (car ps))))
11163 (setq files (list (cdr (assq 'name (car ps)))))
11164 (while (and ps (cdr ps)
11165 (string= (or action "1")
11166 (or (cdr (assq 'action (cadr ps))) "2")))
11167 (push (cdr (assq 'name (cadr ps))) files)
11168 (setcdr ps (cddr ps)))
11170 (when (not (string-match "%s" action))
11173 (when (assq 'execute (car ps))
11174 (setcdr (assq 'execute (car ps))
11175 (funcall (if (string-match "%s" action)
11182 (shell-quote-argument f)))
11184 (setq ps (cdr ps)))))
11185 (if (and gnus-view-pseudos (not not-view))
11187 (when (assq 'execute (car pslist))
11188 (gnus-execute-command (cdr (assq 'execute (car pslist)))
11189 (eq gnus-view-pseudos 'not-confirm)))
11190 (setq pslist (cdr pslist)))
11193 (setq after-article (or (cdr (assq 'article (car pslist)))
11194 (gnus-summary-article-number)))
11195 (gnus-summary-goto-subject after-article)
11198 (insert " " (file-name-nondirectory
11199 (cdr (assq 'name (car pslist))))
11200 ": " (or (cdr (assq 'execute (car pslist))) "") "\n")
11202 (forward-line -1) ; back to `b'
11203 (gnus-add-text-properties
11204 b (1- e) (list 'gnus-number gnus-reffed-article-number
11205 gnus-mouse-face-prop gnus-mouse-face))
11207 after-article gnus-reffed-article-number
11208 gnus-unread-mark b (car pslist) 0 (- e b))
11209 (setq gnus-newsgroup-unreads
11210 (gnus-add-to-sorted-list gnus-newsgroup-unreads
11211 gnus-reffed-article-number))
11212 (setq gnus-reffed-article-number (1- gnus-reffed-article-number))
11213 (setq pslist (cdr pslist)))))))
11215 (defun gnus-pseudos< (p1 p2)
11216 (let ((c1 (cdr (assq 'action p1)))
11217 (c2 (cdr (assq 'action p2))))
11218 (and c1 c2 (string< c1 c2))))
11220 (defun gnus-request-pseudo-article (props)
11221 (cond ((assq 'execute props)
11222 (gnus-execute-command (cdr (assq 'execute props)))))
11223 (let ((gnus-current-article (gnus-summary-article-number)))
11224 (gnus-run-hooks 'gnus-mark-article-hook)))
11226 (defun gnus-execute-command (command &optional automatic)
11228 (gnus-article-setup-buffer)
11229 (set-buffer gnus-article-buffer)
11230 (setq buffer-read-only nil)
11231 (let ((command (if automatic command
11232 (read-string "Command: " (cons command 0)))))
11234 (insert "$ " command "\n\n")
11235 (if gnus-view-pseudo-asynchronously
11236 (start-process "gnus-execute" (current-buffer) shell-file-name
11237 shell-command-switch command)
11238 (call-process shell-file-name nil t nil
11239 shell-command-switch command)))))
11241 ;; Summary kill commands.
11243 (defun gnus-summary-edit-global-kill (article)
11244 "Edit the \"global\" kill file."
11245 (interactive (list (gnus-summary-article-number)))
11246 (gnus-group-edit-global-kill article))
11248 (defun gnus-summary-edit-local-kill ()
11249 "Edit a local kill file applied to the current newsgroup."
11251 (setq gnus-current-headers (gnus-summary-article-header))
11252 (gnus-group-edit-local-kill
11253 (gnus-summary-article-number) gnus-newsgroup-name))
11255 ;;; Header reading.
11257 (defun gnus-read-header (id &optional header)
11258 "Read the headers of article ID and enter them into the Gnus system."
11259 (let ((group gnus-newsgroup-name)
11260 (gnus-override-method
11262 gnus-override-method
11263 (and (gnus-news-group-p gnus-newsgroup-name)
11264 (car (gnus-refer-article-methods)))))
11266 ;; First we check to see whether the header in question is already
11269 ;; This is a Message-ID.
11270 (setq header (or header (gnus-id-to-header id)))
11271 ;; This is an article number.
11272 (setq header (or header (gnus-summary-article-header id))))
11274 (not (gnus-summary-article-sparse-p (mail-header-number header))))
11275 ;; We have found the header.
11277 ;; We have to really fetch the header to this article.
11279 (set-buffer nntp-server-buffer)
11280 (when (setq where (gnus-request-head id group))
11281 (nnheader-fold-continuation-lines)
11282 (goto-char (point-max))
11284 (goto-char (point-min))
11288 ((cdr where) (cdr where))
11289 (header (mail-header-number header))
11290 (t gnus-reffed-article-number))
11292 (insert " Article retrieved.\n"))
11293 (if (or (not where)
11294 (not (setq header (car (gnus-get-newsgroup-headers nil t)))))
11295 () ; Malformed head.
11296 (unless (gnus-summary-article-sparse-p (mail-header-number header))
11297 (when (and (stringp id)
11298 (not (string= (gnus-group-real-name group)
11300 ;; If we fetched by Message-ID and the article came
11301 ;; from a different group, we fudge some bogus article
11302 ;; numbers for this article.
11303 (mail-header-set-number header gnus-reffed-article-number))
11305 (set-buffer gnus-summary-buffer)
11306 (decf gnus-reffed-article-number)
11307 (gnus-remove-header (mail-header-number header))
11308 (push header gnus-newsgroup-headers)
11309 (setq gnus-current-headers header)
11310 (push (mail-header-number header) gnus-newsgroup-limit)))
11313 (defun gnus-remove-header (number)
11314 "Remove header NUMBER from `gnus-newsgroup-headers'."
11315 (if (and gnus-newsgroup-headers
11316 (= number (mail-header-number (car gnus-newsgroup-headers))))
11317 (pop gnus-newsgroup-headers)
11318 (let ((headers gnus-newsgroup-headers))
11319 (while (and (cdr headers)
11320 (not (= number (mail-header-number (cadr headers)))))
11322 (when (cdr headers)
11323 (setcdr headers (cddr headers))))))
11326 ;;; summary highlights
11329 (defun gnus-highlight-selected-summary ()
11330 "Highlight selected article in summary buffer."
11331 ;; Added by Per Abrahamsen <amanda@iesd.auc.dk>.
11332 (when gnus-summary-selected-face
11334 (let* ((beg (point-at-bol))
11335 (end (point-at-eol))
11336 ;; Fix by Mike Dugan <dugan@bucrf16.bu.edu>.
11337 (from (if (get-text-property beg gnus-mouse-face-prop)
11339 (or (next-single-property-change
11340 beg gnus-mouse-face-prop nil end)
11345 (or (next-single-property-change
11346 from gnus-mouse-face-prop nil end)
11348 ;; If no mouse-face prop on line we will have to = from = end,
11349 ;; so we highlight the entire line instead.
11350 (when (= (+ to 2) from)
11353 (if gnus-newsgroup-selected-overlay
11354 ;; Move old overlay.
11356 gnus-newsgroup-selected-overlay from to (current-buffer))
11357 ;; Create new overlay.
11359 (setq gnus-newsgroup-selected-overlay (gnus-make-overlay from to))
11360 'face gnus-summary-selected-face))))))
11362 (defvar gnus-summary-highlight-line-cached nil)
11363 (defvar gnus-summary-highlight-line-trigger nil)
11365 (defun gnus-summary-highlight-line-0 ()
11366 (if (and (eq gnus-summary-highlight-line-trigger
11367 gnus-summary-highlight)
11368 gnus-summary-highlight-line-cached)
11369 gnus-summary-highlight-line-cached
11370 (setq gnus-summary-highlight-line-trigger gnus-summary-highlight
11371 gnus-summary-highlight-line-cached
11372 (let* ((cond (list 'cond))
11374 (list gnus-summary-highlight))
11376 (setcdr c (cons (list (caar list) (list 'quote (cdar list)))
11380 (gnus-byte-compile (list 'lambda nil cond))))))
11382 (defun gnus-summary-highlight-line ()
11383 "Highlight current line according to `gnus-summary-highlight'."
11384 (let* ((beg (point-at-bol))
11385 (article (or (gnus-summary-article-number) gnus-current-article))
11386 (score (or (cdr (assq article
11387 gnus-newsgroup-scored))
11388 gnus-summary-default-score 0))
11389 (mark (or (gnus-summary-article-mark) gnus-unread-mark))
11390 (inhibit-read-only t)
11391 (default gnus-summary-default-score)
11392 (default-high gnus-summary-default-high-score)
11393 (default-low gnus-summary-default-low-score)
11394 (uncached (and gnus-summary-use-undownloaded-faces
11395 (memq article gnus-newsgroup-undownloaded)
11396 (not (memq article gnus-newsgroup-cached)))))
11397 (let ((face (funcall (gnus-summary-highlight-line-0))))
11398 (unless (eq face (get-text-property beg 'face))
11399 (gnus-put-text-property-excluding-characters-with-faces
11400 beg (point-at-eol) 'face
11401 (setq face (if (boundp face) (symbol-value face) face)))
11402 (when gnus-summary-highlight-line-function
11403 (funcall gnus-summary-highlight-line-function article face))))))
11405 (defun gnus-update-read-articles (group unread &optional compute)
11406 "Update the list of read articles in GROUP.
11407 UNREAD is a sorted list."
11408 (let ((active (or gnus-newsgroup-active (gnus-active group)))
11409 (info (gnus-get-info group))
11412 (if (or (not info) (not active))
11413 ;; There is no info on this group if it was, in fact,
11414 ;; killed. Gnus stores no information on killed groups, so
11415 ;; there's nothing to be done.
11416 ;; One could store the information somewhere temporarily,
11417 ;; perhaps... Hmmm...
11419 ;; Remove any negative articles numbers.
11420 (while (and unread (< (car unread) 0))
11421 (setq unread (cdr unread)))
11422 ;; Remove any expired article numbers
11423 (while (and unread (< (car unread) (car active)))
11424 (setq unread (cdr unread)))
11425 ;; Compute the ranges of read articles by looking at the list of
11426 ;; unread articles.
11428 (when (/= (car unread) prev)
11429 (push (if (= prev (1- (car unread))) prev
11430 (cons prev (1- (car unread))))
11432 (setq prev (1+ (car unread)))
11433 (setq unread (cdr unread)))
11434 (when (<= prev (cdr active))
11435 (push (cons prev (cdr active)) read))
11436 (setq read (if (> (length read) 1) (nreverse read) read))
11441 ;; Propagate the read marks to the backend.
11442 (when (gnus-check-backend-function 'request-set-mark group)
11443 (let ((del (gnus-remove-from-range (gnus-info-read info) read))
11444 (add (gnus-remove-from-range read (gnus-info-read info))))
11446 (unless (gnus-check-group group)
11447 (error "Can't open server for %s" group))
11448 (gnus-request-set-mark
11449 group (delq nil (list (if add (list add 'add '(read)))
11450 (if del (list del 'del '(read))))))
11452 `(gnus-request-set-mark
11455 (if del (list del 'add '(read)))
11456 (if add (list add 'del '(read))))))))))
11457 (set-buffer gnus-group-buffer)
11458 (gnus-undo-register
11460 (gnus-info-set-marks ',info ',(gnus-info-marks info) t)
11461 (gnus-info-set-read ',info ',(gnus-info-read info))
11462 (gnus-get-unread-articles-in-group ',info
11463 (gnus-active ,group))
11464 (gnus-group-update-group ,group t)
11466 ;; Enter this list into the group info.
11467 (gnus-info-set-read info read)
11468 ;; Set the number of unread articles in gnus-newsrc-hashtb.
11469 (gnus-get-unread-articles-in-group info (gnus-active group))
11472 (defun gnus-offer-save-summaries ()
11473 "Offer to save all active summary buffers."
11475 ;; Go through all buffers and find all summaries.
11476 (dolist (buffer (buffer-list))
11477 (when (and (setq buffer (buffer-name buffer))
11478 (string-match "Summary" buffer)
11479 (with-current-buffer buffer
11480 ;; We check that this is, indeed, a summary buffer.
11481 (and (eq major-mode 'gnus-summary-mode)
11482 ;; Also make sure this isn't bogus.
11483 gnus-newsgroup-prepared
11484 ;; Also make sure that this isn't a
11485 ;; dead summary buffer.
11486 (not gnus-dead-summary-mode))))
11487 (push buffer buffers)))
11488 ;; Go through all these summary buffers and offer to save them.
11492 "Update summary buffer %s? "
11494 (switch-to-buffer buf)
11495 (gnus-summary-exit))
11498 (defun gnus-summary-setup-default-charset ()
11499 "Setup newsgroup default charset."
11500 (if (member gnus-newsgroup-name '("nndraft:delayed" "nndraft:drafts"))
11501 (setq gnus-newsgroup-charset nil)
11502 (let* ((ignored-charsets
11503 (or gnus-newsgroup-ephemeral-ignored-charsets
11505 (and gnus-newsgroup-name
11506 (gnus-parameter-ignored-charsets gnus-newsgroup-name))
11507 gnus-newsgroup-ignored-charsets))))
11508 (setq gnus-newsgroup-charset
11509 (or gnus-newsgroup-ephemeral-charset
11510 (and gnus-newsgroup-name
11511 (gnus-parameter-charset gnus-newsgroup-name))
11512 gnus-default-charset))
11513 (set (make-local-variable 'gnus-newsgroup-ignored-charsets)
11514 ignored-charsets))))
11520 (defun gnus-summary-display-buttonized (&optional show-all-parts)
11521 "Display the current article buffer fully MIME-buttonized.
11522 If SHOW-ALL-PARTS (the prefix) is non-nil, all multipart/* parts are
11523 treated as multipart/mixed."
11525 (require 'gnus-art)
11526 (let ((gnus-unbuttonized-mime-types nil)
11527 (gnus-mime-display-multipart-as-mixed show-all-parts))
11528 (gnus-summary-show-article)))
11530 (defun gnus-summary-repair-multipart (article)
11531 "Add a Content-Type header to a multipart article without one."
11532 (interactive (list (gnus-summary-article-number)))
11533 (gnus-with-article article
11534 (message-narrow-to-head)
11535 (message-remove-header "Mime-Version")
11536 (goto-char (point-max))
11537 (insert "Mime-Version: 1.0\n")
11539 (when (search-forward "\n--" nil t)
11540 (let ((separator (buffer-substring (point) (point-at-eol))))
11541 (message-narrow-to-head)
11542 (message-remove-header "Content-Type")
11543 (goto-char (point-max))
11544 (insert (format "Content-Type: multipart/mixed; boundary=\"%s\"\n"
11547 (let (gnus-mark-article-hook)
11548 (gnus-summary-select-article t t nil article)))
11550 (defun gnus-summary-toggle-display-buttonized ()
11551 "Toggle the buttonizing of the article buffer."
11553 (require 'gnus-art)
11554 (if (setq gnus-inhibit-mime-unbuttonizing
11555 (not gnus-inhibit-mime-unbuttonizing))
11556 (let ((gnus-unbuttonized-mime-types nil))
11557 (gnus-summary-show-article))
11558 (gnus-summary-show-article)))
11561 ;;; Generic summary marking commands
11564 (defvar gnus-summary-marking-alist
11565 '((read gnus-del-mark "d")
11566 (unread gnus-unread-mark "u")
11567 (ticked gnus-ticked-mark "!")
11568 (dormant gnus-dormant-mark "?")
11569 (expirable gnus-expirable-mark "e"))
11570 "An alist of names/marks/keystrokes.")
11572 (defvar gnus-summary-generic-mark-map (make-sparse-keymap))
11573 (defvar gnus-summary-mark-map)
11575 (defun gnus-summary-make-all-marking-commands ()
11576 (define-key gnus-summary-mark-map "M" gnus-summary-generic-mark-map)
11577 (dolist (elem gnus-summary-marking-alist)
11578 (apply 'gnus-summary-make-marking-command elem)))
11580 (defun gnus-summary-make-marking-command (name mark keystroke)
11581 (let ((map (make-sparse-keymap)))
11582 (define-key gnus-summary-generic-mark-map keystroke map)
11583 (dolist (lway `((next "next" next nil "n")
11584 (next-unread "next unread" next t "N")
11585 (prev "previous" prev nil "p")
11586 (prev-unread "previous unread" prev t "P")
11587 (nomove "" nil nil ,keystroke)))
11588 (let ((func (gnus-summary-make-marking-command-1
11589 mark (car lway) lway name)))
11590 (setq func (eval func))
11591 (define-key map (nth 4 lway) func)))))
11593 (defun gnus-summary-make-marking-command-1 (mark way lway name)
11595 (format "gnus-summary-put-mark-as-%s%s"
11596 name (if (eq way 'nomove)
11598 (concat "-" (symbol-name way)))))
11601 "Mark the current article as %s%s.
11602 If N, the prefix, then repeat N times.
11603 If N is negative, move in reverse order.
11604 The difference between N and the actual number of articles marked is
11608 (gnus-summary-generic-mark n ,mark ',(nth 2 lway) ,(nth 3 lway))))
11610 (defun gnus-summary-generic-mark (n mark move unread)
11611 "Mark N articles with MARK."
11612 (unless (eq major-mode 'gnus-summary-mode)
11613 (error "This command can only be used in the summary buffer"))
11614 (gnus-summary-show-thread)
11617 ((eq move 'next) 1)
11618 ((eq move 'prev) -1)
11620 (if (zerop nummove)
11624 nummove (* -1 nummove))))
11625 (while (and (> n 0)
11626 (gnus-summary-mark-article nil mark)
11627 (zerop (gnus-summary-next-subject nummove unread t)))
11630 (gnus-message 7 "No more %sarticles" (if mark "" "unread ")))
11631 (gnus-summary-recenter)
11632 (gnus-summary-position-point)
11633 (gnus-set-mode-line 'summary)
11636 (defun gnus-summary-insert-articles (articles)
11637 (when (setq articles
11638 (gnus-sorted-difference articles
11639 (mapcar (lambda (h)
11640 (mail-header-number h))
11641 gnus-newsgroup-headers)))
11642 (setq gnus-newsgroup-headers
11644 gnus-newsgroup-headers
11645 (gnus-fetch-headers articles)
11646 'gnus-article-sort-by-number))
11647 ;; Suppress duplicates?
11648 (when gnus-suppress-duplicates
11649 (gnus-dup-suppress-articles))
11651 ;; We might want to build some more threads first.
11652 (when (and gnus-fetch-old-headers
11653 (eq gnus-headers-retrieved-by 'nov))
11654 (if (eq gnus-fetch-old-headers 'invisible)
11655 (gnus-build-all-threads)
11656 (gnus-build-old-threads)))
11657 ;; Let the Gnus agent mark articles as read.
11659 (gnus-agent-get-undownloaded-list))
11660 ;; Remove list identifiers from subject
11661 (when gnus-list-identifiers
11662 (gnus-summary-remove-list-identifiers))
11663 ;; First and last article in this newsgroup.
11664 (when gnus-newsgroup-headers
11665 (setq gnus-newsgroup-begin
11666 (mail-header-number (car gnus-newsgroup-headers))
11668 (mail-header-number
11669 (gnus-last-element gnus-newsgroup-headers))))
11670 (when gnus-use-scoring
11671 (gnus-possibly-score-headers))))
11673 (defun gnus-summary-insert-old-articles (&optional all)
11674 "Insert all old articles in this group.
11675 If ALL is non-nil, already read articles become readable.
11676 If ALL is a number, fetch this number of articles."
11679 (let ((old (sort (mapcar 'car gnus-newsgroup-data) '<))
11682 ;; Some nntp servers lie about their active range. When
11683 ;; this happens, the active range can be in the millions.
11684 ;; Use a compressed range to avoid creating a huge list.
11685 (gnus-range-difference (list gnus-newsgroup-active) old))
11686 (setq len (gnus-range-length older))
11691 (let ((older-range (nreverse older)))
11695 (let* ((r (pop older-range))
11696 (min (if (numberp r) r (car r)))
11697 (max (if (numberp r) r (cdr r))))
11698 (while (and (<= min max)
11703 (setq older (gnus-uncompress-range older))))
11705 (setq older (gnus-uncompress-range older)))
11707 (when (and (numberp gnus-large-newsgroup)
11708 (> len gnus-large-newsgroup))
11709 (let* ((cursor-in-echo-area nil)
11710 (initial (gnus-parameter-large-newsgroup-initial
11711 gnus-newsgroup-name))
11715 "How many articles from %s (%s %d): "
11717 (gnus-group-decoded-name gnus-newsgroup-name) 35)
11718 (if initial "max" "default")
11721 (cons (number-to-string initial)
11723 (unless (string-match "^[ \t]*$" input)
11724 (setq all (string-to-number input))
11726 (let ((older-range (nreverse older)))
11730 (let* ((r (pop older-range))
11731 (min (if (numberp r) r (car r)))
11732 (max (if (numberp r) r (cdr r))))
11733 (while (and (<= min max)
11737 max (1- max))))))))))
11738 (setq older (gnus-uncompress-range older))))
11740 (message "No old news.")
11741 (gnus-summary-insert-articles older)
11742 (gnus-summary-limit (gnus-sorted-nunion old older))))
11743 (gnus-summary-position-point)))
11745 (defun gnus-summary-insert-new-articles ()
11746 "Insert all new articles in this group."
11749 (let ((old (sort (mapcar 'car gnus-newsgroup-data) '<))
11750 (old-active gnus-newsgroup-active)
11751 (nnmail-fetched-sources (list t))
11753 (setq gnus-newsgroup-active
11754 (gnus-activate-group gnus-newsgroup-name 'scan))
11755 (setq i (cdr gnus-newsgroup-active))
11756 (while (> i (cdr old-active))
11760 (message "No gnus is bad news")
11761 (gnus-summary-insert-articles new)
11762 (setq gnus-newsgroup-unreads
11763 (gnus-sorted-nunion gnus-newsgroup-unreads new))
11764 (gnus-summary-limit (gnus-sorted-nunion old new))))
11765 (gnus-summary-position-point)))
11767 (gnus-summary-make-all-marking-commands)
11769 (gnus-ems-redefine)
11771 (provide 'gnus-sum)
11773 (run-hooks 'gnus-sum-load-hook)
11775 ;; Local Variables:
11776 ;; coding: iso-8859-1
11779 ;;; arch-tag: 17c6748f-6d00-4d36-bf01-835c42f31235
11780 ;;; gnus-sum.el ends here