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."
1140 :group 'gnus-summary
1141 :type '(choice boolean regexp))
1143 (defcustom gnus-summary-muttprint-program "muttprint"
1144 "Command (and optional arguments) used to run Muttprint."
1146 :group 'gnus-summary
1149 (defcustom gnus-article-loose-mime t
1150 "If non-nil, don't require MIME-Version header.
1151 Some brain-damaged MUA/MTA, e.g. Lotus Domino 5.0.6 clients, does not
1152 supply the MIME-Version header or deliberately strip it from the mail.
1153 If non-nil (the default), Gnus will treat some articles as MIME
1154 even if the MIME-Version header is missing."
1157 :group 'gnus-article-mime)
1159 (defcustom gnus-article-emulate-mime t
1160 "If non-nil, use MIME emulation for uuencode and the like.
1161 This means that Gnus will search message bodies for text that look
1162 like uuencoded bits, yEncoded bits, and so on, and present that using
1163 the normal Gnus MIME machinery."
1166 :group 'gnus-article-mime)
1168 ;;; Internal variables
1170 (defvar gnus-summary-display-cache nil)
1171 (defvar gnus-article-mime-handles nil)
1172 (defvar gnus-article-decoded-p nil)
1173 (defvar gnus-article-charset nil)
1174 (defvar gnus-article-ignored-charsets nil)
1175 (defvar gnus-scores-exclude-files nil)
1176 (defvar gnus-page-broken nil)
1178 (defvar gnus-original-article nil)
1179 (defvar gnus-article-internal-prepare-hook nil)
1180 (defvar gnus-newsgroup-process-stack nil)
1182 (defvar gnus-thread-indent-array nil)
1183 (defvar gnus-thread-indent-array-level gnus-thread-indent-level)
1184 (defvar gnus-sort-gathered-threads-function 'gnus-thread-sort-by-number
1185 "Function called to sort the articles within a thread after it has been gathered together.")
1187 (defvar gnus-summary-save-parts-type-history nil)
1188 (defvar gnus-summary-save-parts-last-directory mm-default-directory)
1190 ;; Avoid highlighting in kill files.
1191 (defvar gnus-summary-inhibit-highlight nil)
1192 (defvar gnus-newsgroup-selected-overlay nil)
1193 (defvar gnus-inhibit-limiting nil)
1194 (defvar gnus-newsgroup-adaptive-score-file nil)
1195 (defvar gnus-current-score-file nil)
1196 (defvar gnus-current-move-group nil)
1197 (defvar gnus-current-copy-group nil)
1198 (defvar gnus-current-crosspost-group nil)
1199 (defvar gnus-newsgroup-display nil)
1201 (defvar gnus-newsgroup-dependencies nil)
1202 (defvar gnus-newsgroup-adaptive nil)
1203 (defvar gnus-summary-display-article-function nil)
1204 (defvar gnus-summary-highlight-line-function nil
1205 "Function called after highlighting a summary line.")
1207 (defvar gnus-summary-line-format-alist
1208 `((?N ,(macroexpand '(mail-header-number gnus-tmp-header)) ?d)
1209 (?S ,(macroexpand '(mail-header-subject gnus-tmp-header)) ?s)
1210 (?s gnus-tmp-subject-or-nil ?s)
1211 (?n gnus-tmp-name ?s)
1212 (?A (car (cdr (funcall gnus-extract-address-components gnus-tmp-from)))
1214 (?a (or (car (funcall gnus-extract-address-components gnus-tmp-from))
1216 (?F gnus-tmp-from ?s)
1217 (?x ,(macroexpand '(mail-header-xref gnus-tmp-header)) ?s)
1218 (?D ,(macroexpand '(mail-header-date gnus-tmp-header)) ?s)
1219 (?d (gnus-dd-mmm (mail-header-date gnus-tmp-header)) ?s)
1220 (?o (gnus-date-iso8601 (mail-header-date gnus-tmp-header)) ?s)
1221 (?M ,(macroexpand '(mail-header-id gnus-tmp-header)) ?s)
1222 (?r ,(macroexpand '(mail-header-references gnus-tmp-header)) ?s)
1223 (?c (or (mail-header-chars gnus-tmp-header) 0) ?d)
1224 (?k (gnus-summary-line-message-size gnus-tmp-header) ?s)
1225 (?L gnus-tmp-lines ?s)
1226 (?O gnus-tmp-downloaded ?c)
1227 (?I gnus-tmp-indentation ?s)
1228 (?T (if (= gnus-tmp-level 0) "" (make-string (frame-width) ? )) ?s)
1229 (?R gnus-tmp-replied ?c)
1230 (?\[ gnus-tmp-opening-bracket ?c)
1231 (?\] gnus-tmp-closing-bracket ?c)
1232 (?\> (make-string gnus-tmp-level ? ) ?s)
1233 (?\< (make-string (max 0 (- 20 gnus-tmp-level)) ? ) ?s)
1234 (?i gnus-tmp-score ?d)
1235 (?z gnus-tmp-score-char ?c)
1236 (?V (gnus-thread-total-score (and (boundp 'thread) (car thread))) ?d)
1237 (?U gnus-tmp-unread ?c)
1238 (?f (gnus-summary-from-or-to-or-newsgroups gnus-tmp-header gnus-tmp-from)
1240 (?t (gnus-summary-number-of-articles-in-thread
1241 (and (boundp 'thread) (car thread)) gnus-tmp-level)
1243 (?e (gnus-summary-number-of-articles-in-thread
1244 (and (boundp 'thread) (car thread)) gnus-tmp-level t)
1246 (?u gnus-tmp-user-defined ?s)
1247 (?P (gnus-pick-line-number) ?d)
1248 (?B gnus-tmp-thread-tree-header-string ?s)
1249 (user-date (gnus-user-date
1250 ,(macroexpand '(mail-header-date gnus-tmp-header))) ?s))
1251 "An alist of format specifications that can appear in summary lines.
1252 These are paired with what variables they correspond with, along with
1253 the type of the variable (string, integer, character, etc).")
1255 (defvar gnus-summary-dummy-line-format-alist
1256 `((?S gnus-tmp-subject ?s)
1257 (?N gnus-tmp-number ?d)
1258 (?u gnus-tmp-user-defined ?s)))
1260 (defvar gnus-summary-mode-line-format-alist
1261 `((?G gnus-tmp-group-name ?s)
1262 (?g (gnus-short-group-name gnus-tmp-group-name) ?s)
1263 (?p (gnus-group-real-name gnus-tmp-group-name) ?s)
1264 (?A gnus-tmp-article-number ?d)
1265 (?Z gnus-tmp-unread-and-unselected ?s)
1266 (?V gnus-version ?s)
1267 (?U gnus-tmp-unread-and-unticked ?d)
1268 (?S gnus-tmp-subject ?s)
1269 (?e gnus-tmp-unselected ?d)
1270 (?u gnus-tmp-user-defined ?s)
1271 (?d (length gnus-newsgroup-dormant) ?d)
1272 (?t (length gnus-newsgroup-marked) ?d)
1273 (?h (length gnus-newsgroup-spam-marked) ?d)
1274 (?r (length gnus-newsgroup-reads) ?d)
1275 (?z (gnus-summary-article-score gnus-tmp-article-number) ?d)
1276 (?E gnus-newsgroup-expunged-tally ?d)
1277 (?s (gnus-current-score-file-nondirectory) ?s)))
1279 (defvar gnus-last-search-regexp nil
1280 "Default regexp for article search command.")
1282 (defvar gnus-last-shell-command nil
1283 "Default shell command on article.")
1285 (defvar gnus-newsgroup-agentized nil
1286 "Locally bound in each summary buffer to indicate whether the server has been agentized.")
1287 (defvar gnus-newsgroup-begin nil)
1288 (defvar gnus-newsgroup-end nil)
1289 (defvar gnus-newsgroup-last-rmail nil)
1290 (defvar gnus-newsgroup-last-mail nil)
1291 (defvar gnus-newsgroup-last-folder nil)
1292 (defvar gnus-newsgroup-last-file nil)
1293 (defvar gnus-newsgroup-auto-expire nil)
1294 (defvar gnus-newsgroup-active nil)
1296 (defvar gnus-newsgroup-data nil)
1297 (defvar gnus-newsgroup-data-reverse nil)
1298 (defvar gnus-newsgroup-limit nil)
1299 (defvar gnus-newsgroup-limits nil)
1300 (defvar gnus-summary-use-undownloaded-faces nil)
1302 (defvar gnus-newsgroup-unreads nil
1303 "Sorted list of unread articles in the current newsgroup.")
1305 (defvar gnus-newsgroup-unselected nil
1306 "Sorted list of unselected unread articles in the current newsgroup.")
1308 (defvar gnus-newsgroup-reads nil
1309 "Alist of read articles and article marks in the current newsgroup.")
1311 (defvar gnus-newsgroup-expunged-tally nil)
1313 (defvar gnus-newsgroup-marked nil
1314 "Sorted list of ticked articles in the current newsgroup (a subset of unread art).")
1316 (defvar gnus-newsgroup-spam-marked nil
1317 "List of ranges of articles that have been marked as spam.")
1319 (defvar gnus-newsgroup-killed nil
1320 "List of ranges of articles that have been through the scoring process.")
1322 (defvar gnus-newsgroup-cached nil
1323 "Sorted list of articles that come from the article cache.")
1325 (defvar gnus-newsgroup-saved nil
1326 "List of articles that have been saved.")
1328 (defvar gnus-newsgroup-kill-headers nil)
1330 (defvar gnus-newsgroup-replied nil
1331 "List of articles that have been replied to in the current newsgroup.")
1333 (defvar gnus-newsgroup-forwarded nil
1334 "List of articles that have been forwarded in the current newsgroup.")
1336 (defvar gnus-newsgroup-recent nil
1337 "List of articles that have are recent in the current newsgroup.")
1339 (defvar gnus-newsgroup-expirable nil
1340 "Sorted list of articles in the current newsgroup that can be expired.")
1342 (defvar gnus-newsgroup-processable nil
1343 "List of articles in the current newsgroup that can be processed.")
1345 (defvar gnus-newsgroup-downloadable nil
1346 "Sorted list of articles in the current newsgroup that can be processed.")
1348 (defvar gnus-newsgroup-unfetched nil
1349 "Sorted list of articles in the current newsgroup whose headers have
1350 not been fetched into the agent.
1352 This list will always be a subset of gnus-newsgroup-undownloaded.")
1354 (defvar gnus-newsgroup-undownloaded nil
1355 "List of articles in the current newsgroup that haven't been downloaded.")
1357 (defvar gnus-newsgroup-unsendable nil
1358 "List of articles in the current newsgroup that won't be sent.")
1360 (defvar gnus-newsgroup-bookmarks nil
1361 "List of articles in the current newsgroup that have bookmarks.")
1363 (defvar gnus-newsgroup-dormant nil
1364 "Sorted list of dormant articles in the current newsgroup.")
1366 (defvar gnus-newsgroup-unseen nil
1367 "List of unseen articles in the current newsgroup.")
1369 (defvar gnus-newsgroup-seen nil
1370 "Range of seen articles in the current newsgroup.")
1372 (defvar gnus-newsgroup-articles nil
1373 "List of articles in the current newsgroup.")
1375 (defvar gnus-newsgroup-scored nil
1376 "List of scored articles in the current newsgroup.")
1378 (defvar gnus-newsgroup-headers nil
1379 "List of article headers in the current newsgroup.")
1381 (defvar gnus-newsgroup-threads nil)
1383 (defvar gnus-newsgroup-prepared nil
1384 "Whether the current group has been prepared properly.")
1386 (defvar gnus-newsgroup-ancient nil
1387 "List of `gnus-fetch-old-headers' articles in the current newsgroup.")
1389 (defvar gnus-newsgroup-sparse nil)
1391 (defvar gnus-current-article nil)
1392 (defvar gnus-article-current nil)
1393 (defvar gnus-current-headers nil)
1394 (defvar gnus-have-all-headers nil)
1395 (defvar gnus-last-article nil)
1396 (defvar gnus-newsgroup-history nil)
1397 (defvar gnus-newsgroup-charset nil)
1398 (defvar gnus-newsgroup-ephemeral-charset nil)
1399 (defvar gnus-newsgroup-ephemeral-ignored-charsets nil)
1401 (defvar gnus-article-before-search nil)
1403 (defvar gnus-summary-local-variables
1404 '(gnus-newsgroup-name
1405 gnus-newsgroup-begin gnus-newsgroup-end
1406 gnus-newsgroup-last-rmail gnus-newsgroup-last-mail
1407 gnus-newsgroup-last-folder gnus-newsgroup-last-file
1408 gnus-newsgroup-auto-expire gnus-newsgroup-unreads
1409 gnus-newsgroup-unselected gnus-newsgroup-marked
1410 gnus-newsgroup-spam-marked
1411 gnus-newsgroup-reads gnus-newsgroup-saved
1412 gnus-newsgroup-replied gnus-newsgroup-forwarded
1413 gnus-newsgroup-recent
1414 gnus-newsgroup-expirable
1415 gnus-newsgroup-processable gnus-newsgroup-killed
1416 gnus-newsgroup-downloadable gnus-newsgroup-undownloaded
1417 gnus-newsgroup-unfetched
1418 gnus-newsgroup-unsendable gnus-newsgroup-unseen
1419 gnus-newsgroup-seen gnus-newsgroup-articles
1420 gnus-newsgroup-bookmarks gnus-newsgroup-dormant
1421 gnus-newsgroup-headers gnus-newsgroup-threads
1422 gnus-newsgroup-prepared gnus-summary-highlight-line-function
1423 gnus-current-article gnus-current-headers gnus-have-all-headers
1424 gnus-last-article gnus-article-internal-prepare-hook
1425 gnus-newsgroup-dependencies gnus-newsgroup-selected-overlay
1426 gnus-newsgroup-scored gnus-newsgroup-kill-headers
1427 gnus-thread-expunge-below
1428 gnus-score-alist gnus-current-score-file
1429 (gnus-summary-expunge-below . global)
1430 (gnus-summary-mark-below . global)
1431 (gnus-orphan-score . global)
1432 gnus-newsgroup-active gnus-scores-exclude-files
1433 gnus-newsgroup-history gnus-newsgroup-ancient
1434 gnus-newsgroup-sparse gnus-newsgroup-process-stack
1435 (gnus-newsgroup-adaptive . gnus-use-adaptive-scoring)
1436 gnus-newsgroup-adaptive-score-file (gnus-reffed-article-number . -1)
1437 (gnus-newsgroup-expunged-tally . 0)
1438 gnus-cache-removable-articles gnus-newsgroup-cached
1439 gnus-newsgroup-data gnus-newsgroup-data-reverse
1440 gnus-newsgroup-limit gnus-newsgroup-limits
1441 gnus-newsgroup-charset gnus-newsgroup-display
1442 gnus-summary-use-undownloaded-faces)
1443 "Variables that are buffer-local to the summary buffers.")
1445 (defvar gnus-newsgroup-variables nil
1446 "A list of variables that have separate values in different newsgroups.
1447 A list of newsgroup (summary buffer) local variables, or cons of
1448 variables and their default expressions to be evalled (when the default
1449 values are not nil), that should be made global while the summary buffer
1452 Note: The default expressions will be evaluated (using function `eval')
1453 before assignment to the local variable rather than just assigned to it.
1454 If the default expression is the symbol `global', that symbol will not
1455 be evaluated but the global value of the local variable will be used
1458 These variables can be used to set variables in the group parameters
1459 while still allowing them to affect operations done in other buffers.
1462 \(setq gnus-newsgroup-variables
1463 '(message-use-followup-to
1464 (gnus-visible-headers .
1465 \"^From:\\\\|^Newsgroups:\\\\|^Subject:\\\\|^Date:\\\\|^To:\")))
1468 ;; Byte-compiler warning.
1470 ;; Bind features so that require will believe that gnus-sum has
1471 ;; already been loaded (avoids infinite recursion)
1472 (let ((features (cons 'gnus-sum features)))
1473 ;; Several of the declarations in gnus-sum are needed to load the
1474 ;; following files. Right now, these definitions have been
1475 ;; compiled but not defined (evaluated). We could either do a
1476 ;; eval-and-compile about all of the declarations or evaluate the
1478 (if (boundp 'gnus-newsgroup-variables)
1480 (load "gnus-sum.el" t t t))
1482 (require 'gnus-art)))
1486 (defvar gnus-decode-encoded-word-methods
1487 '(mail-decode-encoded-word-string)
1488 "List of methods used to decode encoded words.
1490 This variable is a list of FUNCTION or (REGEXP . FUNCTION). If item
1491 is FUNCTION, FUNCTION will be apply to all newsgroups. If item is a
1492 \(REGEXP . FUNCTION), FUNCTION will be only apply to thes newsgroups
1493 whose names match REGEXP.
1496 \((\"chinese\" . gnus-decode-encoded-word-string-by-guess)
1497 mail-decode-encoded-word-string
1498 (\"chinese\" . rfc1843-decode-string))")
1500 (defvar gnus-decode-encoded-word-methods-cache nil)
1502 (defun gnus-multi-decode-encoded-word-string (string)
1503 "Apply the functions from `gnus-encoded-word-methods' that match."
1504 (unless (and gnus-decode-encoded-word-methods-cache
1505 (eq gnus-newsgroup-name
1506 (car gnus-decode-encoded-word-methods-cache)))
1507 (setq gnus-decode-encoded-word-methods-cache (list gnus-newsgroup-name))
1510 (nconc gnus-decode-encoded-word-methods-cache (list x))
1511 (if (and gnus-newsgroup-name
1512 (string-match (car x) gnus-newsgroup-name))
1513 (nconc gnus-decode-encoded-word-methods-cache
1515 gnus-decode-encoded-word-methods))
1516 (let ((xlist gnus-decode-encoded-word-methods-cache))
1519 (setq string (funcall (pop xlist) string))))
1522 ;; Subject simplification.
1524 (defun gnus-simplify-whitespace (str)
1525 "Remove excessive whitespace from STR."
1527 (while (string-match "[ \t][ \t]+" str)
1528 (setq str (concat (substring str 0 (match-beginning 0))
1530 (substring str (match-end 0)))))
1532 (when (string-match "^[ \t]+" str)
1533 (setq str (substring str (match-end 0))))
1535 (when (string-match "[ \t]+$" str)
1536 (setq str (substring str 0 (match-beginning 0))))
1539 (defun gnus-simplify-all-whitespace (str)
1540 "Remove all whitespace from STR."
1541 (while (string-match "[ \t\n]+" str)
1542 (setq str (replace-match "" nil nil str)))
1545 (defsubst gnus-simplify-subject-re (subject)
1546 "Remove \"Re:\" from subject lines."
1547 (if (string-match message-subject-re-regexp subject)
1548 (substring subject (match-end 0))
1551 (defun gnus-simplify-subject (subject &optional re-only)
1552 "Remove `Re:' and words in parentheses.
1553 If RE-ONLY is non-nil, strip leading `Re:'s only."
1554 (let ((case-fold-search t)) ;Ignore case.
1555 ;; Remove `Re:', `Re^N:', `Re(n)', and `Re[n]:'.
1556 (when (string-match "\\`\\(re\\([[(^][0-9]+[])]?\\)?:[ \t]*\\)+" subject)
1557 (setq subject (substring subject (match-end 0))))
1558 ;; Remove uninteresting prefixes.
1559 (when (and (not re-only)
1560 gnus-simplify-ignored-prefixes
1561 (string-match gnus-simplify-ignored-prefixes subject))
1562 (setq subject (substring subject (match-end 0))))
1563 ;; Remove words in parentheses from end.
1565 (while (string-match "[ \t\n]*([^()]*)[ \t\n]*\\'" subject)
1566 (setq subject (substring subject 0 (match-beginning 0)))))
1567 ;; Return subject string.
1570 ;; Remove any leading "re:"s, any trailing paren phrases, and simplify
1572 (defsubst gnus-simplify-buffer-fuzzy-step (regexp &optional newtext)
1573 (goto-char (point-min))
1574 (while (re-search-forward regexp nil t)
1575 (replace-match (or newtext ""))))
1577 (defun gnus-simplify-buffer-fuzzy ()
1578 "Simplify string in the buffer fuzzily.
1579 The string in the accessible portion of the current buffer is simplified.
1580 It is assumed to be a single-line subject.
1581 Whitespace is generally cleaned up, and miscellaneous leading/trailing
1582 matter is removed. Additional things can be deleted by setting
1583 `gnus-simplify-subject-fuzzy-regexp'."
1584 (let ((case-fold-search t)
1586 (gnus-simplify-buffer-fuzzy-step "\t" " ")
1588 (while (not (eq modified-tick (buffer-modified-tick)))
1589 (setq modified-tick (buffer-modified-tick))
1591 ((listp gnus-simplify-subject-fuzzy-regexp)
1592 (mapcar 'gnus-simplify-buffer-fuzzy-step
1593 gnus-simplify-subject-fuzzy-regexp))
1594 (gnus-simplify-subject-fuzzy-regexp
1595 (gnus-simplify-buffer-fuzzy-step gnus-simplify-subject-fuzzy-regexp)))
1596 (gnus-simplify-buffer-fuzzy-step "^ *\\[[-+?*!][-+?*!]\\] *")
1597 (gnus-simplify-buffer-fuzzy-step
1598 "^ *\\(re\\|fw\\|fwd\\)[[{(^0-9]*[])}]?[:;] *")
1599 (gnus-simplify-buffer-fuzzy-step "^[[].*:\\( .*\\)[]]$" "\\1"))
1601 (gnus-simplify-buffer-fuzzy-step " *[[{(][^()\n]*[]})] *$")
1602 (gnus-simplify-buffer-fuzzy-step " +" " ")
1603 (gnus-simplify-buffer-fuzzy-step " $")
1604 (gnus-simplify-buffer-fuzzy-step "^ +")))
1606 (defun gnus-simplify-subject-fuzzy (subject)
1607 "Simplify a subject string fuzzily.
1608 See `gnus-simplify-buffer-fuzzy' for details."
1610 (gnus-set-work-buffer)
1611 (let ((case-fold-search t))
1612 ;; Remove uninteresting prefixes.
1613 (when (and gnus-simplify-ignored-prefixes
1614 (string-match gnus-simplify-ignored-prefixes subject))
1615 (setq subject (substring subject (match-end 0))))
1617 (inline (gnus-simplify-buffer-fuzzy))
1620 (defsubst gnus-simplify-subject-fully (subject)
1621 "Simplify a subject string according to `gnus-summary-gather-subject-limit'."
1623 (gnus-simplify-subject-functions
1624 (gnus-map-function gnus-simplify-subject-functions subject))
1625 ((null gnus-summary-gather-subject-limit)
1626 (gnus-simplify-subject-re subject))
1627 ((eq gnus-summary-gather-subject-limit 'fuzzy)
1628 (gnus-simplify-subject-fuzzy subject))
1629 ((numberp gnus-summary-gather-subject-limit)
1630 (gnus-limit-string (gnus-simplify-subject-re subject)
1631 gnus-summary-gather-subject-limit))
1635 (defsubst gnus-subject-equal (s1 s2 &optional simple-first)
1636 "Check whether two subjects are equal.
1637 If optional argument SIMPLE-FIRST is t, first argument is already
1640 ((null simple-first)
1641 (equal (gnus-simplify-subject-fully s1)
1642 (gnus-simplify-subject-fully s2)))
1645 (gnus-simplify-subject-fully s2)))))
1647 (defun gnus-summary-bubble-group ()
1648 "Increase the score of the current group.
1649 This is a handy function to add to `gnus-summary-exit-hook' to
1650 increase the score of each group you read."
1651 (gnus-group-add-score gnus-newsgroup-name))
1655 ;;; Gnus summary mode
1658 (put 'gnus-summary-mode 'mode-class 'special)
1660 (defvar gnus-article-commands-menu)
1662 ;; Non-orthogonal keys
1664 (gnus-define-keys gnus-summary-mode-map
1665 " " gnus-summary-next-page
1666 "\177" gnus-summary-prev-page
1667 [delete] gnus-summary-prev-page
1668 [backspace] gnus-summary-prev-page
1669 "\r" gnus-summary-scroll-up
1670 "\M-\r" gnus-summary-scroll-down
1671 "n" gnus-summary-next-unread-article
1672 "p" gnus-summary-prev-unread-article
1673 "N" gnus-summary-next-article
1674 "P" gnus-summary-prev-article
1675 "\M-\C-n" gnus-summary-next-same-subject
1676 "\M-\C-p" gnus-summary-prev-same-subject
1677 "\M-n" gnus-summary-next-unread-subject
1678 "\M-p" gnus-summary-prev-unread-subject
1679 "." gnus-summary-first-unread-article
1680 "," gnus-summary-best-unread-article
1681 "\M-s" gnus-summary-search-article-forward
1682 "\M-r" gnus-summary-search-article-backward
1683 "<" gnus-summary-beginning-of-article
1684 ">" gnus-summary-end-of-article
1685 "j" gnus-summary-goto-article
1686 "^" gnus-summary-refer-parent-article
1687 "\M-^" gnus-summary-refer-article
1688 "u" gnus-summary-tick-article-forward
1689 "!" gnus-summary-tick-article-forward
1690 "U" gnus-summary-tick-article-backward
1691 "d" gnus-summary-mark-as-read-forward
1692 "D" gnus-summary-mark-as-read-backward
1693 "E" gnus-summary-mark-as-expirable
1694 "\M-u" gnus-summary-clear-mark-forward
1695 "\M-U" gnus-summary-clear-mark-backward
1696 "k" gnus-summary-kill-same-subject-and-select
1697 "\C-k" gnus-summary-kill-same-subject
1698 "\M-\C-k" gnus-summary-kill-thread
1699 "\M-\C-l" gnus-summary-lower-thread
1700 "e" gnus-summary-edit-article
1701 "#" gnus-summary-mark-as-processable
1702 "\M-#" gnus-summary-unmark-as-processable
1703 "\M-\C-t" gnus-summary-toggle-threads
1704 "\M-\C-s" gnus-summary-show-thread
1705 "\M-\C-h" gnus-summary-hide-thread
1706 "\M-\C-f" gnus-summary-next-thread
1707 "\M-\C-b" gnus-summary-prev-thread
1708 [(meta down)] gnus-summary-next-thread
1709 [(meta up)] gnus-summary-prev-thread
1710 "\M-\C-u" gnus-summary-up-thread
1711 "\M-\C-d" gnus-summary-down-thread
1712 "&" gnus-summary-execute-command
1713 "c" gnus-summary-catchup-and-exit
1714 "\C-w" gnus-summary-mark-region-as-read
1715 "\C-t" gnus-summary-toggle-truncation
1716 "?" gnus-summary-mark-as-dormant
1717 "\C-c\M-\C-s" gnus-summary-limit-include-expunged
1718 "\C-c\C-s\C-n" gnus-summary-sort-by-number
1719 "\C-c\C-s\C-l" gnus-summary-sort-by-lines
1720 "\C-c\C-s\C-c" gnus-summary-sort-by-chars
1721 "\C-c\C-s\C-a" gnus-summary-sort-by-author
1722 "\C-c\C-s\C-s" gnus-summary-sort-by-subject
1723 "\C-c\C-s\C-d" gnus-summary-sort-by-date
1724 "\C-c\C-s\C-i" gnus-summary-sort-by-score
1725 "\C-c\C-s\C-o" gnus-summary-sort-by-original
1726 "\C-c\C-s\C-r" gnus-summary-sort-by-random
1727 "=" gnus-summary-expand-window
1728 "\C-x\C-s" gnus-summary-reselect-current-group
1729 "\M-g" gnus-summary-rescan-group
1730 "w" gnus-summary-stop-page-breaking
1731 "\C-c\C-r" gnus-summary-caesar-message
1732 "f" gnus-summary-followup
1733 "F" gnus-summary-followup-with-original
1734 "C" gnus-summary-cancel-article
1735 "r" gnus-summary-reply
1736 "R" gnus-summary-reply-with-original
1737 "\C-c\C-f" gnus-summary-mail-forward
1738 "o" gnus-summary-save-article
1739 "\C-o" gnus-summary-save-article-mail
1740 "|" gnus-summary-pipe-output
1741 "\M-k" gnus-summary-edit-local-kill
1742 "\M-K" gnus-summary-edit-global-kill
1744 "\C-c\C-d" gnus-summary-describe-group
1745 "q" gnus-summary-exit
1746 "Q" gnus-summary-exit-no-update
1747 "\C-c\C-i" gnus-info-find-node
1748 gnus-mouse-2 gnus-mouse-pick-article
1749 "m" gnus-summary-mail-other-window
1750 "a" gnus-summary-post-news
1751 "i" gnus-summary-news-other-window
1752 "x" gnus-summary-limit-to-unread
1753 "s" gnus-summary-isearch-article
1754 "t" gnus-summary-toggle-header
1755 "g" gnus-summary-show-article
1756 "l" gnus-summary-goto-last-article
1757 "\C-c\C-v\C-v" gnus-uu-decode-uu-view
1758 "\C-d" gnus-summary-enter-digest-group
1759 "\M-\C-d" gnus-summary-read-document
1760 "\M-\C-e" gnus-summary-edit-parameters
1761 "\M-\C-a" gnus-summary-customize-parameters
1763 "*" gnus-cache-enter-article
1764 "\M-*" gnus-cache-remove-article
1765 "\M-&" gnus-summary-universal-argument
1766 "\C-l" gnus-recenter
1767 "I" gnus-summary-increase-score
1768 "L" gnus-summary-lower-score
1769 "\M-i" gnus-symbolic-argument
1770 "h" gnus-summary-select-article-buffer
1772 "b" gnus-article-view-part
1773 "\M-t" gnus-summary-toggle-display-buttonized
1775 "V" gnus-summary-score-map
1776 "X" gnus-uu-extract-map
1777 "S" gnus-summary-send-map)
1779 ;; Sort of orthogonal keymap
1780 (gnus-define-keys (gnus-summary-mark-map "M" gnus-summary-mode-map)
1781 "t" gnus-summary-tick-article-forward
1782 "!" gnus-summary-tick-article-forward
1783 "d" gnus-summary-mark-as-read-forward
1784 "r" gnus-summary-mark-as-read-forward
1785 "c" gnus-summary-clear-mark-forward
1786 " " gnus-summary-clear-mark-forward
1787 "e" gnus-summary-mark-as-expirable
1788 "x" gnus-summary-mark-as-expirable
1789 "?" gnus-summary-mark-as-dormant
1790 "b" gnus-summary-set-bookmark
1791 "B" gnus-summary-remove-bookmark
1792 "#" gnus-summary-mark-as-processable
1793 "\M-#" gnus-summary-unmark-as-processable
1794 "S" gnus-summary-limit-include-expunged
1795 "C" gnus-summary-catchup
1796 "H" gnus-summary-catchup-to-here
1797 "h" gnus-summary-catchup-from-here
1798 "\C-c" gnus-summary-catchup-all
1799 "k" gnus-summary-kill-same-subject-and-select
1800 "K" gnus-summary-kill-same-subject
1801 "P" gnus-uu-mark-map)
1803 (gnus-define-keys (gnus-summary-mscore-map "V" gnus-summary-mark-map)
1804 "c" gnus-summary-clear-above
1805 "u" gnus-summary-tick-above
1806 "m" gnus-summary-mark-above
1807 "k" gnus-summary-kill-below)
1809 (gnus-define-keys (gnus-summary-limit-map "/" gnus-summary-mode-map)
1810 "/" gnus-summary-limit-to-subject
1811 "n" gnus-summary-limit-to-articles
1812 "w" gnus-summary-pop-limit
1813 "s" gnus-summary-limit-to-subject
1814 "a" gnus-summary-limit-to-author
1815 "u" gnus-summary-limit-to-unread
1816 "m" gnus-summary-limit-to-marks
1817 "M" gnus-summary-limit-exclude-marks
1818 "v" gnus-summary-limit-to-score
1819 "*" gnus-summary-limit-include-cached
1820 "D" gnus-summary-limit-include-dormant
1821 "T" gnus-summary-limit-include-thread
1822 "d" gnus-summary-limit-exclude-dormant
1823 "t" gnus-summary-limit-to-age
1824 "." gnus-summary-limit-to-unseen
1825 "x" gnus-summary-limit-to-extra
1826 "p" gnus-summary-limit-to-display-predicate
1827 "E" gnus-summary-limit-include-expunged
1828 "c" gnus-summary-limit-exclude-childless-dormant
1829 "C" gnus-summary-limit-mark-excluded-as-read
1830 "o" gnus-summary-insert-old-articles
1831 "N" gnus-summary-insert-new-articles
1832 "r" gnus-summary-limit-to-replied)
1834 (gnus-define-keys (gnus-summary-goto-map "G" gnus-summary-mode-map)
1835 "n" gnus-summary-next-unread-article
1836 "p" gnus-summary-prev-unread-article
1837 "N" gnus-summary-next-article
1838 "P" gnus-summary-prev-article
1839 "\C-n" gnus-summary-next-same-subject
1840 "\C-p" gnus-summary-prev-same-subject
1841 "\M-n" gnus-summary-next-unread-subject
1842 "\M-p" gnus-summary-prev-unread-subject
1843 "f" gnus-summary-first-unread-article
1844 "b" gnus-summary-best-unread-article
1845 "j" gnus-summary-goto-article
1846 "g" gnus-summary-goto-subject
1847 "l" gnus-summary-goto-last-article
1848 "o" gnus-summary-pop-article)
1850 (gnus-define-keys (gnus-summary-thread-map "T" gnus-summary-mode-map)
1851 "k" gnus-summary-kill-thread
1852 "l" gnus-summary-lower-thread
1853 "i" gnus-summary-raise-thread
1854 "T" gnus-summary-toggle-threads
1855 "t" gnus-summary-rethread-current
1856 "^" gnus-summary-reparent-thread
1857 "s" gnus-summary-show-thread
1858 "S" gnus-summary-show-all-threads
1859 "h" gnus-summary-hide-thread
1860 "H" gnus-summary-hide-all-threads
1861 "n" gnus-summary-next-thread
1862 "p" gnus-summary-prev-thread
1863 "u" gnus-summary-up-thread
1864 "o" gnus-summary-top-thread
1865 "d" gnus-summary-down-thread
1866 "#" gnus-uu-mark-thread
1867 "\M-#" gnus-uu-unmark-thread)
1869 (gnus-define-keys (gnus-summary-buffer-map "Y" gnus-summary-mode-map)
1870 "g" gnus-summary-prepare
1871 "c" gnus-summary-insert-cached-articles
1872 "d" gnus-summary-insert-dormant-articles)
1874 (gnus-define-keys (gnus-summary-exit-map "Z" gnus-summary-mode-map)
1875 "c" gnus-summary-catchup-and-exit
1876 "C" gnus-summary-catchup-all-and-exit
1877 "E" gnus-summary-exit-no-update
1878 "Q" gnus-summary-exit
1879 "Z" gnus-summary-exit
1880 "n" gnus-summary-catchup-and-goto-next-group
1881 "R" gnus-summary-reselect-current-group
1882 "G" gnus-summary-rescan-group
1883 "N" gnus-summary-next-group
1884 "s" gnus-summary-save-newsrc
1885 "P" gnus-summary-prev-group)
1887 (gnus-define-keys (gnus-summary-article-map "A" gnus-summary-mode-map)
1888 " " gnus-summary-next-page
1889 "n" gnus-summary-next-page
1890 "\177" gnus-summary-prev-page
1891 [delete] gnus-summary-prev-page
1892 "p" gnus-summary-prev-page
1893 "\r" gnus-summary-scroll-up
1894 "\M-\r" gnus-summary-scroll-down
1895 "<" gnus-summary-beginning-of-article
1896 ">" gnus-summary-end-of-article
1897 "b" gnus-summary-beginning-of-article
1898 "e" gnus-summary-end-of-article
1899 "^" gnus-summary-refer-parent-article
1900 "r" gnus-summary-refer-parent-article
1901 "D" gnus-summary-enter-digest-group
1902 "R" gnus-summary-refer-references
1903 "T" gnus-summary-refer-thread
1904 "g" gnus-summary-show-article
1905 "s" gnus-summary-isearch-article
1906 "P" gnus-summary-print-article
1907 "M" gnus-mailing-list-insinuate
1908 "t" gnus-article-babel)
1910 (gnus-define-keys (gnus-summary-wash-map "W" gnus-summary-mode-map)
1911 "b" gnus-article-add-buttons
1912 "B" gnus-article-add-buttons-to-head
1913 "o" gnus-article-treat-overstrike
1914 "e" gnus-article-emphasize
1915 "w" gnus-article-fill-cited-article
1916 "Q" gnus-article-fill-long-lines
1917 "C" gnus-article-capitalize-sentences
1918 "c" gnus-article-remove-cr
1919 "q" gnus-article-de-quoted-unreadable
1920 "6" gnus-article-de-base64-unreadable
1921 "Z" gnus-article-decode-HZ
1922 "A" gnus-article-treat-ansi-sequences
1923 "h" gnus-article-wash-html
1924 "u" gnus-article-unsplit-urls
1925 "s" gnus-summary-force-verify-and-decrypt
1926 "f" gnus-article-display-x-face
1927 "l" gnus-summary-stop-page-breaking
1928 "r" gnus-summary-caesar-message
1929 "m" gnus-summary-morse-message
1930 "t" gnus-summary-toggle-header
1931 "g" gnus-treat-smiley
1932 "v" gnus-summary-verbose-headers
1933 "a" gnus-article-strip-headers-in-body ;; mnemonic: wash archive
1934 "p" gnus-article-verify-x-pgp-sig
1935 "d" gnus-article-treat-dumbquotes)
1937 (gnus-define-keys (gnus-summary-wash-deuglify-map "Y" gnus-summary-wash-map)
1938 ;; mnemonic: deuglif*Y*
1939 "u" gnus-article-outlook-unwrap-lines
1940 "a" gnus-article-outlook-repair-attribution
1941 "c" gnus-article-outlook-rearrange-citation
1942 "f" gnus-article-outlook-deuglify-article) ;; mnemonic: full deuglify
1944 (gnus-define-keys (gnus-summary-wash-hide-map "W" gnus-summary-wash-map)
1945 "a" gnus-article-hide
1946 "h" gnus-article-hide-headers
1947 "b" gnus-article-hide-boring-headers
1948 "s" gnus-article-hide-signature
1949 "c" gnus-article-hide-citation
1950 "C" gnus-article-hide-citation-in-followups
1951 "l" gnus-article-hide-list-identifiers
1952 "B" gnus-article-strip-banner
1953 "P" gnus-article-hide-pem
1954 "\C-c" gnus-article-hide-citation-maybe)
1956 (gnus-define-keys (gnus-summary-wash-highlight-map "H" gnus-summary-wash-map)
1957 "a" gnus-article-highlight
1958 "h" gnus-article-highlight-headers
1959 "c" gnus-article-highlight-citation
1960 "s" gnus-article-highlight-signature)
1962 (gnus-define-keys (gnus-summary-wash-header-map "G" gnus-summary-wash-map)
1963 "f" gnus-article-treat-fold-headers
1964 "u" gnus-article-treat-unfold-headers
1965 "n" gnus-article-treat-fold-newsgroups)
1967 (gnus-define-keys (gnus-summary-wash-display-map "D" gnus-summary-wash-map)
1968 "x" gnus-article-display-x-face
1969 "d" gnus-article-display-face
1970 "s" gnus-treat-smiley
1971 "D" gnus-article-remove-images
1972 "f" gnus-treat-from-picon
1973 "m" gnus-treat-mail-picon
1974 "n" gnus-treat-newsgroups-picon)
1976 (gnus-define-keys (gnus-summary-wash-mime-map "M" gnus-summary-wash-map)
1977 "w" gnus-article-decode-mime-words
1978 "c" gnus-article-decode-charset
1979 "v" gnus-mime-view-all-parts
1980 "b" gnus-article-view-part)
1982 (gnus-define-keys (gnus-summary-wash-time-map "T" gnus-summary-wash-map)
1983 "z" gnus-article-date-ut
1984 "u" gnus-article-date-ut
1985 "l" gnus-article-date-local
1986 "p" gnus-article-date-english
1987 "e" gnus-article-date-lapsed
1988 "o" gnus-article-date-original
1989 "i" gnus-article-date-iso8601
1990 "s" gnus-article-date-user)
1992 (gnus-define-keys (gnus-summary-wash-empty-map "E" gnus-summary-wash-map)
1993 "t" gnus-article-remove-trailing-blank-lines
1994 "l" gnus-article-strip-leading-blank-lines
1995 "m" gnus-article-strip-multiple-blank-lines
1996 "a" gnus-article-strip-blank-lines
1997 "A" gnus-article-strip-all-blank-lines
1998 "s" gnus-article-strip-leading-space
1999 "e" gnus-article-strip-trailing-space
2000 "w" gnus-article-remove-leading-whitespace)
2002 (gnus-define-keys (gnus-summary-help-map "H" gnus-summary-mode-map)
2004 "f" gnus-summary-fetch-faq
2005 "d" gnus-summary-describe-group
2006 "h" gnus-summary-describe-briefly
2007 "i" gnus-info-find-node
2008 "c" gnus-group-fetch-charter
2009 "C" gnus-group-fetch-control)
2011 (gnus-define-keys (gnus-summary-backend-map "B" gnus-summary-mode-map)
2012 "e" gnus-summary-expire-articles
2013 "\M-\C-e" gnus-summary-expire-articles-now
2014 "\177" gnus-summary-delete-article
2015 [delete] gnus-summary-delete-article
2016 [backspace] gnus-summary-delete-article
2017 "m" gnus-summary-move-article
2018 "r" gnus-summary-respool-article
2019 "w" gnus-summary-edit-article
2020 "c" gnus-summary-copy-article
2021 "B" gnus-summary-crosspost-article
2022 "q" gnus-summary-respool-query
2023 "t" gnus-summary-respool-trace
2024 "i" gnus-summary-import-article
2025 "I" gnus-summary-create-article
2026 "p" gnus-summary-article-posted-p)
2028 (gnus-define-keys (gnus-summary-save-map "O" gnus-summary-mode-map)
2029 "o" gnus-summary-save-article
2030 "m" gnus-summary-save-article-mail
2031 "F" gnus-summary-write-article-file
2032 "r" gnus-summary-save-article-rmail
2033 "f" gnus-summary-save-article-file
2034 "b" gnus-summary-save-article-body-file
2035 "h" gnus-summary-save-article-folder
2036 "v" gnus-summary-save-article-vm
2037 "p" gnus-summary-pipe-output
2038 "P" gnus-summary-muttprint
2039 "s" gnus-soup-add-article)
2041 (gnus-define-keys (gnus-summary-mime-map "K" gnus-summary-mode-map)
2042 "b" gnus-summary-display-buttonized
2043 "m" gnus-summary-repair-multipart
2044 "v" gnus-article-view-part
2045 "o" gnus-article-save-part
2046 "c" gnus-article-copy-part
2047 "C" gnus-article-view-part-as-charset
2048 "e" gnus-article-view-part-externally
2049 "E" gnus-article-encrypt-body
2050 "i" gnus-article-inline-part
2051 "|" gnus-article-pipe-part)
2053 (gnus-define-keys (gnus-uu-mark-map "P" gnus-summary-mark-map)
2054 "p" gnus-summary-mark-as-processable
2055 "u" gnus-summary-unmark-as-processable
2056 "U" gnus-summary-unmark-all-processable
2057 "v" gnus-uu-mark-over
2058 "s" gnus-uu-mark-series
2059 "r" gnus-uu-mark-region
2060 "g" gnus-uu-unmark-region
2061 "R" gnus-uu-mark-by-regexp
2062 "G" gnus-uu-unmark-by-regexp
2063 "t" gnus-uu-mark-thread
2064 "T" gnus-uu-unmark-thread
2065 "a" gnus-uu-mark-all
2066 "b" gnus-uu-mark-buffer
2067 "S" gnus-uu-mark-sparse
2068 "k" gnus-summary-kill-process-mark
2069 "y" gnus-summary-yank-process-mark
2070 "w" gnus-summary-save-process-mark
2071 "i" gnus-uu-invert-processable)
2073 (gnus-define-keys (gnus-uu-extract-map "X" gnus-summary-mode-map)
2074 ;;"x" gnus-uu-extract-any
2075 "m" gnus-summary-save-parts
2076 "u" gnus-uu-decode-uu
2077 "U" gnus-uu-decode-uu-and-save
2078 "s" gnus-uu-decode-unshar
2079 "S" gnus-uu-decode-unshar-and-save
2080 "o" gnus-uu-decode-save
2081 "O" gnus-uu-decode-save
2082 "b" gnus-uu-decode-binhex
2083 "B" gnus-uu-decode-binhex
2084 "p" gnus-uu-decode-postscript
2085 "P" gnus-uu-decode-postscript-and-save)
2088 (gnus-uu-extract-view-map "v" gnus-uu-extract-map)
2089 "u" gnus-uu-decode-uu-view
2090 "U" gnus-uu-decode-uu-and-save-view
2091 "s" gnus-uu-decode-unshar-view
2092 "S" gnus-uu-decode-unshar-and-save-view
2093 "o" gnus-uu-decode-save-view
2094 "O" gnus-uu-decode-save-view
2095 "b" gnus-uu-decode-binhex-view
2096 "B" gnus-uu-decode-binhex-view
2097 "p" gnus-uu-decode-postscript-view
2098 "P" gnus-uu-decode-postscript-and-save-view)
2100 (defvar gnus-article-post-menu nil)
2102 (defconst gnus-summary-menu-maxlen 20)
2104 (defun gnus-summary-menu-split (menu)
2105 ;; If we have lots of elements, divide them into groups of 20
2106 ;; and make a pane (or submenu) for each one.
2107 (if (> (length menu) (/ (* gnus-summary-menu-maxlen 3) 2))
2108 (let ((menu menu) sublists next
2111 ;; Pull off the next gnus-summary-menu-maxlen elements
2112 ;; and make them the next element of sublist.
2113 (setq next (nthcdr gnus-summary-menu-maxlen menu))
2115 (setcdr (nthcdr (1- gnus-summary-menu-maxlen) menu)
2117 (setq sublists (cons (cons (format "%s ... %s" (aref (car menu) 0)
2118 (aref (car (last menu)) 0)) menu)
2122 (nreverse sublists))
2123 ;; Few elements--put them all in one pane.
2126 (defun gnus-summary-make-menu-bar ()
2127 (gnus-turn-off-edit-menu 'summary)
2129 (unless (boundp 'gnus-summary-misc-menu)
2132 gnus-summary-kill-menu gnus-summary-mode-map ""
2137 ["Customize" gnus-score-customize t])
2138 (gnus-make-score-map 'increase)
2139 (gnus-make-score-map 'lower)
2141 ["Kill below" gnus-summary-kill-below t]
2142 ["Mark above" gnus-summary-mark-above t]
2143 ["Tick above" gnus-summary-tick-above t]
2144 ["Clear above" gnus-summary-clear-above t])
2145 ["Current score" gnus-summary-current-score t]
2146 ["Set score" gnus-summary-set-score t]
2147 ["Switch current score file..." gnus-score-change-score-file t]
2148 ["Set mark below..." gnus-score-set-mark-below t]
2149 ["Set expunge below..." gnus-score-set-expunge-below t]
2150 ["Edit current score file" gnus-score-edit-current-scores t]
2151 ["Edit score file" gnus-score-edit-file t]
2152 ["Trace score" gnus-score-find-trace t]
2153 ["Find words" gnus-score-find-favourite-words t]
2154 ["Rescore buffer" gnus-summary-rescore t]
2155 ["Increase score..." gnus-summary-increase-score t]
2156 ["Lower score..." gnus-summary-lower-score t]))))
2158 ;; Define both the Article menu in the summary buffer and the
2159 ;; equivalent Commands menu in the article buffer here for
2163 ["All" gnus-article-hide t]
2164 ["Headers" gnus-article-hide-headers t]
2165 ["Signature" gnus-article-hide-signature t]
2166 ["Citation" gnus-article-hide-citation t]
2167 ["List identifiers" gnus-article-hide-list-identifiers t]
2168 ["Banner" gnus-article-strip-banner t]
2169 ["Boring headers" gnus-article-hide-boring-headers t])
2171 ["All" gnus-article-highlight t]
2172 ["Headers" gnus-article-highlight-headers t]
2173 ["Signature" gnus-article-highlight-signature t]
2174 ["Citation" gnus-article-highlight-citation t])
2176 ["Words" gnus-article-decode-mime-words t]
2177 ["Charset" gnus-article-decode-charset t]
2178 ["QP" gnus-article-de-quoted-unreadable t]
2179 ["Base64" gnus-article-de-base64-unreadable t]
2180 ["View MIME buttons" gnus-summary-display-buttonized t]
2181 ["View all" gnus-mime-view-all-parts t]
2182 ["Verify and Decrypt" gnus-summary-force-verify-and-decrypt t]
2183 ["Encrypt body" gnus-article-encrypt-body
2184 :active (not (gnus-group-read-only-p))
2185 ,@(if (featurep 'xemacs) nil
2186 '(:help "Encrypt the message body on disk"))]
2187 ["Extract all parts..." gnus-summary-save-parts t]
2189 ["Repair multipart" gnus-summary-repair-multipart t]
2190 ["Pipe part..." gnus-article-pipe-part t]
2191 ["Inline part" gnus-article-inline-part t]
2192 ["Encrypt body" gnus-article-encrypt-body
2193 :active (not (gnus-group-read-only-p))
2194 ,@(if (featurep 'xemacs) nil
2195 '(:help "Encrypt the message body on disk"))]
2196 ["View part externally" gnus-article-view-part-externally t]
2197 ["View part with charset..." gnus-article-view-part-as-charset t]
2198 ["Copy part" gnus-article-copy-part t]
2199 ["Save part..." gnus-article-save-part t]
2200 ["View part" gnus-article-view-part t]))
2202 ["Local" gnus-article-date-local t]
2203 ["ISO8601" gnus-article-date-iso8601 t]
2204 ["UT" gnus-article-date-ut t]
2205 ["Original" gnus-article-date-original t]
2206 ["Lapsed" gnus-article-date-lapsed t]
2207 ["User-defined" gnus-article-date-user t])
2209 ["Remove images" gnus-article-remove-images t]
2210 ["Toggle smiley" gnus-treat-smiley t]
2211 ["Show X-Face" gnus-article-display-x-face t]
2212 ["Show picons in From" gnus-treat-from-picon t]
2213 ["Show picons in mail headers" gnus-treat-mail-picon t]
2214 ["Show picons in news headers" gnus-treat-newsgroups-picon t]
2215 ("View as different encoding"
2216 ,@(gnus-summary-menu-split
2219 ;; Since easymenu under Emacs doesn't allow
2220 ;; lambda forms for menu commands, we should
2221 ;; provide intern'ed function symbols.
2222 (let ((command (intern (format "\
2223 gnus-summary-show-article-from-menu-as-charset-%s" cs))))
2227 (let ((gnus-summary-show-article-charset-alist
2229 (gnus-summary-show-article 1))))
2230 `[,(symbol-name cs) ,command t]))
2231 (sort (if (fboundp 'coding-system-list)
2232 (coding-system-list)
2233 (mapcar 'car mm-mime-mule-charset-alist))
2237 ["Leading" gnus-article-strip-leading-blank-lines t]
2238 ["Multiple" gnus-article-strip-multiple-blank-lines t]
2239 ["Trailing" gnus-article-remove-trailing-blank-lines t]
2240 ["All of the above" gnus-article-strip-blank-lines t]
2241 ["All" gnus-article-strip-all-blank-lines t]
2242 ["Leading space" gnus-article-strip-leading-space t]
2243 ["Trailing space" gnus-article-strip-trailing-space t]
2244 ["Leading space in headers"
2245 gnus-article-remove-leading-whitespace t])
2246 ["Overstrike" gnus-article-treat-overstrike t]
2247 ["Dumb quotes" gnus-article-treat-dumbquotes t]
2248 ["Emphasis" gnus-article-emphasize t]
2249 ["Word wrap" gnus-article-fill-cited-article t]
2250 ["Fill long lines" gnus-article-fill-long-lines t]
2251 ["Capitalize sentences" gnus-article-capitalize-sentences t]
2252 ["Remove CR" gnus-article-remove-cr t]
2253 ["Quoted-Printable" gnus-article-de-quoted-unreadable t]
2254 ["Base64" gnus-article-de-base64-unreadable t]
2255 ["Rot 13" gnus-summary-caesar-message
2256 ,@(if (featurep 'xemacs) '(t)
2257 '(:help "\"Caesar rotate\" article by 13"))]
2258 ["Morse decode" gnus-summary-morse-message t]
2259 ["Unix pipe..." gnus-summary-pipe-message t]
2260 ["Add buttons" gnus-article-add-buttons t]
2261 ["Add buttons to head" gnus-article-add-buttons-to-head t]
2262 ["Stop page breaking" gnus-summary-stop-page-breaking t]
2263 ["Verbose header" gnus-summary-verbose-headers t]
2264 ["Toggle header" gnus-summary-toggle-header t]
2265 ["Unfold headers" gnus-article-treat-unfold-headers t]
2266 ["Fold newsgroups" gnus-article-treat-fold-newsgroups t]
2267 ["Html" gnus-article-wash-html t]
2268 ["Unsplit URLs" gnus-article-unsplit-urls t]
2269 ["Verify X-PGP-Sig" gnus-article-verify-x-pgp-sig t]
2270 ["Decode HZ" gnus-article-decode-HZ t]
2271 ["ANSI sequences" gnus-article-treat-ansi-sequences t]
2272 ("(Outlook) Deuglify"
2273 ["Unwrap lines" gnus-article-outlook-unwrap-lines t]
2274 ["Repair attribution" gnus-article-outlook-repair-attribution t]
2275 ["Rearrange citation" gnus-article-outlook-rearrange-citation t]
2276 ["Full (Outlook) deuglify"
2277 gnus-article-outlook-deuglify-article t])
2280 ["Save in default format..." gnus-summary-save-article
2281 ,@(if (featurep 'xemacs) '(t)
2282 '(:help "Save article using default method"))]
2283 ["Save in file..." gnus-summary-save-article-file
2284 ,@(if (featurep 'xemacs) '(t)
2285 '(:help "Save article in file"))]
2286 ["Save in Unix mail format..." gnus-summary-save-article-mail t]
2287 ["Save in MH folder..." gnus-summary-save-article-folder t]
2288 ["Save in VM folder..." gnus-summary-save-article-vm t]
2289 ["Save in RMAIL mbox..." gnus-summary-save-article-rmail t]
2290 ["Save body in file..." gnus-summary-save-article-body-file t]
2291 ["Pipe through a filter..." gnus-summary-pipe-output t]
2292 ["Add to SOUP packet" gnus-soup-add-article t]
2293 ["Print with Muttprint..." gnus-summary-muttprint t]
2294 ["Print" gnus-summary-print-article
2295 ,@(if (featurep 'xemacs) '(t)
2296 '(:help "Generate and print a PostScript image"))])
2297 ("Copy, move,... (Backend)"
2298 ,@(if (featurep 'xemacs) nil
2299 '(:help "Copying, moving, expiring articles..."))
2300 ["Respool article..." gnus-summary-respool-article t]
2301 ["Move article..." gnus-summary-move-article
2302 (gnus-check-backend-function
2303 'request-move-article gnus-newsgroup-name)]
2304 ["Copy article..." gnus-summary-copy-article t]
2305 ["Crosspost article..." gnus-summary-crosspost-article
2306 (gnus-check-backend-function
2307 'request-replace-article gnus-newsgroup-name)]
2308 ["Import file..." gnus-summary-import-article
2309 (gnus-check-backend-function
2310 'request-accept-article gnus-newsgroup-name)]
2311 ["Create article..." gnus-summary-create-article
2312 (gnus-check-backend-function
2313 'request-accept-article gnus-newsgroup-name)]
2314 ["Check if posted" gnus-summary-article-posted-p t]
2315 ["Edit article" gnus-summary-edit-article
2316 (not (gnus-group-read-only-p))]
2317 ["Delete article" gnus-summary-delete-article
2318 (gnus-check-backend-function
2319 'request-expire-articles gnus-newsgroup-name)]
2320 ["Query respool" gnus-summary-respool-query t]
2321 ["Trace respool" gnus-summary-respool-trace t]
2322 ["Delete expirable articles" gnus-summary-expire-articles-now
2323 (gnus-check-backend-function
2324 'request-expire-articles gnus-newsgroup-name)])
2326 ["Uudecode" gnus-uu-decode-uu
2327 ,@(if (featurep 'xemacs) '(t)
2328 '(:help "Decode uuencoded article(s)"))]
2329 ["Uudecode and save" gnus-uu-decode-uu-and-save t]
2330 ["Unshar" gnus-uu-decode-unshar t]
2331 ["Unshar and save" gnus-uu-decode-unshar-and-save t]
2332 ["Save" gnus-uu-decode-save t]
2333 ["Binhex" gnus-uu-decode-binhex t]
2334 ["Postscript" gnus-uu-decode-postscript t]
2335 ["All MIME parts" gnus-summary-save-parts t])
2337 ["Enter article" gnus-cache-enter-article t]
2338 ["Remove article" gnus-cache-remove-article t])
2339 ["Translate" gnus-article-babel t]
2340 ["Select article buffer" gnus-summary-select-article-buffer t]
2341 ["Enter digest buffer" gnus-summary-enter-digest-group t]
2342 ["Isearch article..." gnus-summary-isearch-article t]
2343 ["Beginning of the article" gnus-summary-beginning-of-article t]
2344 ["End of the article" gnus-summary-end-of-article t]
2345 ["Fetch parent of article" gnus-summary-refer-parent-article t]
2346 ["Fetch referenced articles" gnus-summary-refer-references t]
2347 ["Fetch current thread" gnus-summary-refer-thread t]
2348 ["Fetch article with id..." gnus-summary-refer-article t]
2349 ["Setup Mailing List Params" gnus-mailing-list-insinuate t]
2350 ["Redisplay" gnus-summary-show-article t]
2351 ["Raw article" gnus-summary-show-raw-article :keys "C-u g"])))
2353 gnus-summary-article-menu gnus-summary-mode-map ""
2354 (cons "Article" innards))
2356 (if (not (keymapp gnus-summary-article-menu))
2358 gnus-article-commands-menu gnus-article-mode-map ""
2359 (cons "Commands" innards))
2360 ;; in Emacs, don't share menu.
2361 (setq gnus-article-commands-menu
2362 (copy-keymap gnus-summary-article-menu))
2363 (define-key gnus-article-mode-map [menu-bar commands]
2364 (cons "Commands" gnus-article-commands-menu))))
2367 gnus-summary-thread-menu gnus-summary-mode-map ""
2369 ["Find all messages in thread" gnus-summary-refer-thread t]
2370 ["Toggle threading" gnus-summary-toggle-threads t]
2371 ["Hide threads" gnus-summary-hide-all-threads t]
2372 ["Show threads" gnus-summary-show-all-threads t]
2373 ["Hide thread" gnus-summary-hide-thread t]
2374 ["Show thread" gnus-summary-show-thread t]
2375 ["Go to next thread" gnus-summary-next-thread t]
2376 ["Go to previous thread" gnus-summary-prev-thread t]
2377 ["Go down thread" gnus-summary-down-thread t]
2378 ["Go up thread" gnus-summary-up-thread t]
2379 ["Top of thread" gnus-summary-top-thread t]
2380 ["Mark thread as read" gnus-summary-kill-thread t]
2381 ["Lower thread score" gnus-summary-lower-thread t]
2382 ["Raise thread score" gnus-summary-raise-thread t]
2383 ["Rethread current" gnus-summary-rethread-current t]))
2386 gnus-summary-post-menu gnus-summary-mode-map ""
2388 ["Send a message (mail or news)" gnus-summary-post-news
2389 ,@(if (featurep 'xemacs) '(t)
2390 '(:help "Compose a new message (mail or news)"))]
2391 ["Followup" gnus-summary-followup
2392 ,@(if (featurep 'xemacs) '(t)
2393 '(:help "Post followup to this article"))]
2394 ["Followup and yank" gnus-summary-followup-with-original
2395 ,@(if (featurep 'xemacs) '(t)
2396 '(:help "Post followup to this article, quoting its contents"))]
2397 ["Supersede article" gnus-summary-supersede-article t]
2398 ["Cancel article" gnus-summary-cancel-article
2399 ,@(if (featurep 'xemacs) '(t)
2400 '(:help "Cancel an article you posted"))]
2401 ["Reply" gnus-summary-reply t]
2402 ["Reply and yank" gnus-summary-reply-with-original t]
2403 ["Wide reply" gnus-summary-wide-reply t]
2404 ["Wide reply and yank" gnus-summary-wide-reply-with-original
2405 ,@(if (featurep 'xemacs) '(t)
2406 '(:help "Mail a reply, quoting this article"))]
2407 ["Very wide reply" gnus-summary-very-wide-reply t]
2408 ["Very wide reply and yank" gnus-summary-very-wide-reply-with-original
2409 ,@(if (featurep 'xemacs) '(t)
2410 '(:help "Mail a very wide reply, quoting this article"))]
2411 ["Mail forward" gnus-summary-mail-forward t]
2412 ["Post forward" gnus-summary-post-forward t]
2413 ["Digest and mail" gnus-uu-digest-mail-forward t]
2414 ["Digest and post" gnus-uu-digest-post-forward t]
2415 ["Resend message" gnus-summary-resend-message t]
2416 ["Resend message edit" gnus-summary-resend-message-edit t]
2417 ["Send bounced mail" gnus-summary-resend-bounced-mail t]
2418 ["Send a mail" gnus-summary-mail-other-window t]
2419 ["Create a local message" gnus-summary-news-other-window t]
2420 ["Uuencode and post" gnus-uu-post-news
2421 ,@(if (featurep 'xemacs) '(t)
2422 '(:help "Post a uuencoded article"))]
2423 ["Followup via news" gnus-summary-followup-to-mail t]
2424 ["Followup via news and yank"
2425 gnus-summary-followup-to-mail-with-original t]
2427 ;;["Send" gnus-summary-send-draft t]
2428 ;;["Send bounced" gnus-resend-bounced-mail t])
2432 ((not (keymapp gnus-summary-post-menu))
2433 (setq gnus-article-post-menu gnus-summary-post-menu))
2434 ((not gnus-article-post-menu)
2435 ;; Don't share post menu.
2436 (setq gnus-article-post-menu
2437 (copy-keymap gnus-summary-post-menu))))
2438 (define-key gnus-article-mode-map [menu-bar post]
2439 (cons "Post" gnus-article-post-menu))
2442 gnus-summary-misc-menu gnus-summary-mode-map ""
2445 ["Mark as read" gnus-summary-mark-as-read-forward t]
2446 ["Mark same subject and select"
2447 gnus-summary-kill-same-subject-and-select t]
2448 ["Mark same subject" gnus-summary-kill-same-subject t]
2449 ["Catchup" gnus-summary-catchup
2450 ,@(if (featurep 'xemacs) '(t)
2451 '(:help "Mark unread articles in this group as read"))]
2452 ["Catchup all" gnus-summary-catchup-all t]
2453 ["Catchup to here" gnus-summary-catchup-to-here t]
2454 ["Catchup from here" gnus-summary-catchup-from-here t]
2455 ["Catchup region" gnus-summary-mark-region-as-read
2456 (gnus-mark-active-p)]
2457 ["Mark excluded" gnus-summary-limit-mark-excluded-as-read t])
2459 ["Tick" gnus-summary-tick-article-forward t]
2460 ["Mark as dormant" gnus-summary-mark-as-dormant t]
2461 ["Remove marks" gnus-summary-clear-mark-forward t]
2462 ["Set expirable mark" gnus-summary-mark-as-expirable t]
2463 ["Set bookmark" gnus-summary-set-bookmark t]
2464 ["Remove bookmark" gnus-summary-remove-bookmark t])
2466 ["Marks..." gnus-summary-limit-to-marks t]
2467 ["Subject..." gnus-summary-limit-to-subject t]
2468 ["Author..." gnus-summary-limit-to-author t]
2469 ["Age..." gnus-summary-limit-to-age t]
2470 ["Extra..." gnus-summary-limit-to-extra t]
2471 ["Score..." gnus-summary-limit-to-score t]
2472 ["Display Predicate" gnus-summary-limit-to-display-predicate t]
2473 ["Unread" gnus-summary-limit-to-unread t]
2474 ["Unseen" gnus-summary-limit-to-unseen t]
2475 ["Replied" gnus-summary-limit-to-replied t]
2476 ["Non-dormant" gnus-summary-limit-exclude-dormant t]
2477 ["Next articles" gnus-summary-limit-to-articles t]
2478 ["Pop limit" gnus-summary-pop-limit t]
2479 ["Show dormant" gnus-summary-limit-include-dormant t]
2480 ["Hide childless dormant"
2481 gnus-summary-limit-exclude-childless-dormant t]
2482 ;;["Hide thread" gnus-summary-limit-exclude-thread t]
2483 ["Hide marked" gnus-summary-limit-exclude-marks t]
2484 ["Show expunged" gnus-summary-limit-include-expunged t])
2486 ["Set mark" gnus-summary-mark-as-processable t]
2487 ["Remove mark" gnus-summary-unmark-as-processable t]
2488 ["Remove all marks" gnus-summary-unmark-all-processable t]
2489 ["Invert marks" gnus-uu-invert-processable t]
2490 ["Mark above" gnus-uu-mark-over t]
2491 ["Mark series" gnus-uu-mark-series t]
2492 ["Mark region" gnus-uu-mark-region (gnus-mark-active-p)]
2493 ["Unmark region" gnus-uu-unmark-region (gnus-mark-active-p)]
2494 ["Mark by regexp..." gnus-uu-mark-by-regexp t]
2495 ["Unmark by regexp..." gnus-uu-unmark-by-regexp t]
2496 ["Mark all" gnus-uu-mark-all t]
2497 ["Mark buffer" gnus-uu-mark-buffer t]
2498 ["Mark sparse" gnus-uu-mark-sparse t]
2499 ["Mark thread" gnus-uu-mark-thread t]
2500 ["Unmark thread" gnus-uu-unmark-thread t]
2501 ("Process Mark Sets"
2502 ["Kill" gnus-summary-kill-process-mark t]
2503 ["Yank" gnus-summary-yank-process-mark
2504 gnus-newsgroup-process-stack]
2505 ["Save" gnus-summary-save-process-mark t]
2506 ["Run command on marked..." gnus-summary-universal-argument t]))
2508 ["Page forward" gnus-summary-next-page
2509 ,@(if (featurep 'xemacs) '(t)
2510 '(:help "Show next page of article"))]
2511 ["Page backward" gnus-summary-prev-page
2512 ,@(if (featurep 'xemacs) '(t)
2513 '(:help "Show previous page of article"))]
2514 ["Line forward" gnus-summary-scroll-up t])
2516 ["Next unread article" gnus-summary-next-unread-article t]
2517 ["Previous unread article" gnus-summary-prev-unread-article t]
2518 ["Next article" gnus-summary-next-article t]
2519 ["Previous article" gnus-summary-prev-article t]
2520 ["Next unread subject" gnus-summary-next-unread-subject t]
2521 ["Previous unread subject" gnus-summary-prev-unread-subject t]
2522 ["Next article same subject" gnus-summary-next-same-subject t]
2523 ["Previous article same subject" gnus-summary-prev-same-subject t]
2524 ["First unread article" gnus-summary-first-unread-article t]
2525 ["Best unread article" gnus-summary-best-unread-article t]
2526 ["Go to subject number..." gnus-summary-goto-subject t]
2527 ["Go to article number..." gnus-summary-goto-article t]
2528 ["Go to the last article" gnus-summary-goto-last-article t]
2529 ["Pop article off history" gnus-summary-pop-article t])
2531 ["Sort by number" gnus-summary-sort-by-number t]
2532 ["Sort by author" gnus-summary-sort-by-author t]
2533 ["Sort by subject" gnus-summary-sort-by-subject t]
2534 ["Sort by date" gnus-summary-sort-by-date t]
2535 ["Sort by score" gnus-summary-sort-by-score t]
2536 ["Sort by lines" gnus-summary-sort-by-lines t]
2537 ["Sort by characters" gnus-summary-sort-by-chars t]
2538 ["Randomize" gnus-summary-sort-by-random t]
2539 ["Original sort" gnus-summary-sort-by-original t])
2541 ["Fetch group FAQ" gnus-summary-fetch-faq t]
2542 ["Describe group" gnus-summary-describe-group t]
2543 ["Fetch charter" gnus-group-fetch-charter
2544 ,@(if (featurep 'xemacs) nil
2545 '(:help "Display the charter of the current group"))]
2546 ["Fetch control message" gnus-group-fetch-control
2547 ,@(if (featurep 'xemacs) nil
2548 '(:help "Display the archived control message for the current group"))]
2549 ["Read manual" gnus-info-find-node t])
2551 ["Pick and read" gnus-pick-mode t]
2552 ["Binary" gnus-binary-mode t])
2554 ["Regenerate" gnus-summary-prepare t]
2555 ["Insert cached articles" gnus-summary-insert-cached-articles t]
2556 ["Insert dormant articles" gnus-summary-insert-dormant-articles t]
2557 ["Toggle threading" gnus-summary-toggle-threads t])
2558 ["See old articles" gnus-summary-insert-old-articles t]
2559 ["See new articles" gnus-summary-insert-new-articles t]
2560 ["Filter articles..." gnus-summary-execute-command t]
2561 ["Run command on articles..." gnus-summary-universal-argument t]
2562 ["Search articles forward..." gnus-summary-search-article-forward t]
2563 ["Search articles backward..." gnus-summary-search-article-backward t]
2564 ["Toggle line truncation" gnus-summary-toggle-truncation t]
2565 ["Expand window" gnus-summary-expand-window t]
2566 ["Expire expirable articles" gnus-summary-expire-articles
2567 (gnus-check-backend-function
2568 'request-expire-articles gnus-newsgroup-name)]
2569 ["Edit local kill file" gnus-summary-edit-local-kill t]
2570 ["Edit main kill file" gnus-summary-edit-global-kill t]
2571 ["Edit group parameters" gnus-summary-edit-parameters t]
2572 ["Customize group parameters" gnus-summary-customize-parameters t]
2573 ["Send a bug report" gnus-bug t]
2575 ["Catchup and exit" gnus-summary-catchup-and-exit
2576 ,@(if (featurep 'xemacs) '(t)
2577 '(:help "Mark unread articles in this group as read, then exit"))]
2578 ["Catchup all and exit" gnus-summary-catchup-all-and-exit t]
2579 ["Catchup and goto next" gnus-summary-catchup-and-goto-next-group t]
2580 ["Exit group" gnus-summary-exit
2581 ,@(if (featurep 'xemacs) '(t)
2582 '(:help "Exit current group, return to group selection mode"))]
2583 ["Exit group without updating" gnus-summary-exit-no-update t]
2584 ["Exit and goto next group" gnus-summary-next-group t]
2585 ["Exit and goto prev group" gnus-summary-prev-group t]
2586 ["Reselect group" gnus-summary-reselect-current-group t]
2587 ["Rescan group" gnus-summary-rescan-group t]
2588 ["Update dribble" gnus-summary-save-newsrc t])))
2590 (gnus-run-hooks 'gnus-summary-menu-hook)))
2592 (defvar gnus-summary-tool-bar-map nil)
2594 ;; Emacs 21 tool bar. Should be no-op otherwise.
2595 (defun gnus-summary-make-tool-bar ()
2596 (if (and (fboundp 'tool-bar-add-item-from-menu)
2597 (default-value 'tool-bar-mode)
2598 (not gnus-summary-tool-bar-map))
2599 (setq gnus-summary-tool-bar-map
2600 (let ((tool-bar-map (make-sparse-keymap))
2601 (load-path (mm-image-load-path)))
2602 (tool-bar-add-item-from-menu
2603 'gnus-summary-prev-unread "prev-ur" gnus-summary-mode-map)
2604 (tool-bar-add-item-from-menu
2605 'gnus-summary-next-unread "next-ur" gnus-summary-mode-map)
2606 (tool-bar-add-item-from-menu
2607 'gnus-summary-post-news "post" gnus-summary-mode-map)
2608 (tool-bar-add-item-from-menu
2609 'gnus-summary-followup-with-original "fuwo" gnus-summary-mode-map)
2610 (tool-bar-add-item-from-menu
2611 'gnus-summary-followup "followup" gnus-summary-mode-map)
2612 (tool-bar-add-item-from-menu
2613 'gnus-summary-reply-with-original "reply-wo" gnus-summary-mode-map)
2614 (tool-bar-add-item-from-menu
2615 'gnus-summary-reply "reply" gnus-summary-mode-map)
2616 (tool-bar-add-item-from-menu
2617 'gnus-summary-caesar-message "rot13" gnus-summary-mode-map)
2618 (tool-bar-add-item-from-menu
2619 'gnus-uu-decode-uu "uu-decode" gnus-summary-mode-map)
2620 (tool-bar-add-item-from-menu
2621 'gnus-summary-save-article-file "save-aif" gnus-summary-mode-map)
2622 (tool-bar-add-item-from-menu
2623 'gnus-summary-save-article "save-art" gnus-summary-mode-map)
2624 (tool-bar-add-item-from-menu
2625 'gnus-uu-post-news "uu-post" gnus-summary-mode-map)
2626 (tool-bar-add-item-from-menu
2627 'gnus-uu-post-news "uu-post" gnus-summary-mode-map)
2628 (tool-bar-add-item-from-menu
2629 'gnus-summary-catchup "catchup" gnus-summary-mode-map)
2630 (tool-bar-add-item-from-menu
2631 'gnus-summary-catchup-and-exit "cu-exit" gnus-summary-mode-map)
2632 (tool-bar-add-item-from-menu
2633 'gnus-summary-exit "exit-summ" gnus-summary-mode-map)
2635 (if gnus-summary-tool-bar-map
2636 (set (make-local-variable 'tool-bar-map) gnus-summary-tool-bar-map)))
2638 (defun gnus-score-set-default (var value)
2639 "A version of set that updates the GNU Emacs menu-bar."
2641 ;; It is the message that forces the active status to be updated.
2644 (defun gnus-make-score-map (type)
2645 "Make a summary score map of type TYPE."
2648 (let ((headers '(("author" "from" string)
2649 ("subject" "subject" string)
2650 ("article body" "body" string)
2651 ("article head" "head" string)
2652 ("xref" "xref" string)
2653 ("extra header" "extra" string)
2654 ("lines" "lines" number)
2655 ("followups to author" "followup" string)))
2656 (types '((number ("less than" <)
2659 (string ("substring" s)
2663 (perms '(("temporary" (current-time-string))
2671 (if (eq type 'lower)
2676 (setq header (car headers))
2682 (let ((ts (cdr (assoc (nth 2 header) types)))
2698 'gnus-summary-score-entry
2700 (if (or (string= (nth 1 header)
2702 (string= (nth 1 header)
2705 (list 'gnus-summary-header
2707 (list 'quote (nth 1 (car ts)))
2708 (list 'gnus-score-delta-default
2715 (list (nreverse outp))))
2718 (list (nreverse outt))))
2720 (setq headers (cdr headers)))
2721 (list (nreverse outh))))))))
2725 (defun gnus-summary-mode (&optional group)
2726 "Major mode for reading articles.
2728 All normal editing commands are switched off.
2729 \\<gnus-summary-mode-map>
2730 Each line in this buffer represents one article. To read an
2731 article, you can, for instance, type `\\[gnus-summary-next-page]'. To move forwards
2732 and backwards while displaying articles, type `\\[gnus-summary-next-unread-article]' and `\\[gnus-summary-prev-unread-article]',
2735 You can also post articles and send mail from this buffer. To
2736 follow up an article, type `\\[gnus-summary-followup]'. To mail a reply to the author
2737 of an article, type `\\[gnus-summary-reply]'.
2739 There are approx. one gazillion commands you can execute in this
2740 buffer; read the info pages for more information (`\\[gnus-info-find-node]').
2742 The following commands are available:
2744 \\{gnus-summary-mode-map}"
2746 (kill-all-local-variables)
2747 (when (gnus-visual-p 'summary-menu 'menu)
2748 (gnus-summary-make-menu-bar)
2749 (gnus-summary-make-tool-bar))
2750 (gnus-summary-make-local-variables)
2751 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
2752 (gnus-summary-make-local-variables))
2753 (gnus-make-thread-indent-array)
2754 (gnus-simplify-mode-line)
2755 (setq major-mode 'gnus-summary-mode)
2756 (setq mode-name "Summary")
2757 (make-local-variable 'minor-mode-alist)
2758 (use-local-map gnus-summary-mode-map)
2759 (buffer-disable-undo)
2760 (setq buffer-read-only t ;Disable modification
2761 show-trailing-whitespace nil)
2762 (setq truncate-lines t)
2763 (setq selective-display t)
2764 (setq selective-display-ellipses t) ;Display `...'
2765 (gnus-summary-set-display-table)
2766 (gnus-set-default-directory)
2767 (setq gnus-newsgroup-name group)
2768 (make-local-variable 'gnus-summary-line-format)
2769 (make-local-variable 'gnus-summary-line-format-spec)
2770 (make-local-variable 'gnus-summary-dummy-line-format)
2771 (make-local-variable 'gnus-summary-dummy-line-format-spec)
2772 (make-local-variable 'gnus-summary-mark-positions)
2773 (gnus-make-local-hook 'pre-command-hook)
2774 (add-hook 'pre-command-hook 'gnus-set-global-variables nil t)
2775 (gnus-run-hooks 'gnus-summary-mode-hook)
2776 (turn-on-gnus-mailing-list-mode)
2777 (mm-enable-multibyte)
2778 (gnus-update-format-specifications nil 'summary 'summary-mode 'summary-dummy)
2779 (gnus-update-summary-mark-positions))
2781 (defun gnus-summary-make-local-variables ()
2782 "Make all the local summary buffer variables."
2784 (dolist (local gnus-summary-local-variables)
2787 (if (eq (cdr local) 'global)
2788 ;; Copy the global value of the variable.
2789 (setq global (symbol-value (car local)))
2790 ;; Use the value from the list.
2791 (setq global (eval (cdr local))))
2792 (set (make-local-variable (car local)) global))
2793 ;; Simple nil-valued local variable.
2794 (set (make-local-variable local) nil)))))
2796 (defun gnus-summary-clear-local-variables ()
2797 (let ((locals gnus-summary-local-variables))
2799 (if (consp (car locals))
2800 (and (vectorp (caar locals))
2801 (set (caar locals) nil))
2802 (and (vectorp (car locals))
2803 (set (car locals) nil)))
2804 (setq locals (cdr locals)))))
2806 ;; Summary data functions.
2808 (defmacro gnus-data-number (data)
2811 (defmacro gnus-data-set-number (data number)
2812 `(setcar ,data ,number))
2814 (defmacro gnus-data-mark (data)
2817 (defmacro gnus-data-set-mark (data mark)
2818 `(setcar (nthcdr 1 ,data) ,mark))
2820 (defmacro gnus-data-pos (data)
2823 (defmacro gnus-data-set-pos (data pos)
2824 `(setcar (nthcdr 2 ,data) ,pos))
2826 (defmacro gnus-data-header (data)
2829 (defmacro gnus-data-set-header (data header)
2830 `(setf (nth 3 ,data) ,header))
2832 (defmacro gnus-data-level (data)
2835 (defmacro gnus-data-unread-p (data)
2836 `(= (nth 1 ,data) gnus-unread-mark))
2838 (defmacro gnus-data-read-p (data)
2839 `(/= (nth 1 ,data) gnus-unread-mark))
2841 (defmacro gnus-data-pseudo-p (data)
2842 `(consp (nth 3 ,data)))
2844 (defmacro gnus-data-find (number)
2845 `(assq ,number gnus-newsgroup-data))
2847 (defmacro gnus-data-find-list (number &optional data)
2848 `(let ((bdata ,(or data 'gnus-newsgroup-data)))
2849 (memq (assq ,number bdata)
2852 (defmacro gnus-data-make (number mark pos header level)
2853 `(list ,number ,mark ,pos ,header ,level))
2855 (defun gnus-data-enter (after-article number mark pos header level offset)
2856 (let ((data (gnus-data-find-list after-article)))
2858 (error "No such article: %d" after-article))
2859 (setcdr data (cons (gnus-data-make number mark pos header level)
2861 (setq gnus-newsgroup-data-reverse nil)
2862 (gnus-data-update-list (cddr data) offset)))
2864 (defun gnus-data-enter-list (after-article list &optional offset)
2866 (let ((data (and after-article (gnus-data-find-list after-article)))
2870 (let ((odata gnus-newsgroup-data))
2871 (setq gnus-newsgroup-data (nconc list gnus-newsgroup-data))
2873 (gnus-data-update-list odata offset)))
2874 ;; Find the last element in the list to be spliced into the main
2877 (setq list (cdr 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 (and (search-forward "\200" nil t)
3299 (- (point) (point-min) 1)))))
3300 (goto-char (point-min))
3301 (push (cons 'replied (and (search-forward "\201" nil t)
3302 (- (point) (point-min) 1)))
3304 (goto-char (point-min))
3305 (push (cons 'score (and (search-forward "\202" nil t)
3306 (- (point) (point-min) 1)))
3308 (goto-char (point-min))
3309 (push (cons 'download
3310 (and (search-forward "\203" nil t)
3311 (- (point) (point-min) 1)))
3313 (setq gnus-summary-mark-positions pos))))
3315 (defun gnus-summary-insert-dummy-line (gnus-tmp-subject gnus-tmp-number)
3316 "Insert a dummy root in the summary buffer."
3318 (gnus-add-text-properties
3319 (point) (progn (eval gnus-summary-dummy-line-format-spec) (point))
3320 (list 'gnus-number gnus-tmp-number 'gnus-intangible gnus-tmp-number)))
3322 (defun gnus-summary-extract-address-component (from)
3323 (or (car (funcall gnus-extract-address-components from))
3326 (defun gnus-summary-from-or-to-or-newsgroups (header gnus-tmp-from)
3327 (let ((mail-parse-charset gnus-newsgroup-charset)
3328 ; Is it really necessary to do this next part for each summary line?
3329 ; Luckily, doesn't seem to slow things down much.
3330 (mail-parse-ignored-charsets
3331 (with-current-buffer gnus-summary-buffer
3332 gnus-newsgroup-ignored-charsets)))
3334 (and gnus-ignored-from-addresses
3335 (string-match gnus-ignored-from-addresses gnus-tmp-from)
3336 (let ((extra-headers (mail-header-extra header))
3340 ((setq to (cdr (assq 'To extra-headers)))
3343 (gnus-summary-extract-address-component
3344 (funcall gnus-decode-encoded-word-function to)))))
3345 ((setq newsgroups (cdr (assq 'Newsgroups extra-headers)))
3346 (concat "=> " newsgroups)))))
3347 (inline (gnus-summary-extract-address-component gnus-tmp-from)))))
3349 (defun gnus-summary-insert-line (gnus-tmp-header
3350 gnus-tmp-level gnus-tmp-current
3351 undownloaded gnus-tmp-unread gnus-tmp-replied
3352 gnus-tmp-expirable gnus-tmp-subject-or-nil
3353 &optional gnus-tmp-dummy gnus-tmp-score
3355 (let* ((gnus-tmp-indentation (aref gnus-thread-indent-array gnus-tmp-level))
3356 (gnus-tmp-lines (mail-header-lines gnus-tmp-header))
3357 (gnus-tmp-score (or gnus-tmp-score gnus-summary-default-score 0))
3358 (gnus-tmp-score-char
3359 (if (or (null gnus-summary-default-score)
3360 (<= (abs (- gnus-tmp-score gnus-summary-default-score))
3361 gnus-summary-zcore-fuzz))
3363 (if (< gnus-tmp-score gnus-summary-default-score)
3364 gnus-score-below-mark gnus-score-over-mark)))
3365 (gnus-tmp-number (mail-header-number gnus-tmp-header))
3367 (cond (gnus-tmp-process gnus-process-mark)
3368 ((memq gnus-tmp-current gnus-newsgroup-cached)
3370 (gnus-tmp-replied gnus-replied-mark)
3371 ((memq gnus-tmp-current gnus-newsgroup-forwarded)
3372 gnus-forwarded-mark)
3373 ((memq gnus-tmp-current gnus-newsgroup-saved)
3375 ((memq gnus-tmp-number gnus-newsgroup-recent)
3377 ((memq gnus-tmp-number gnus-newsgroup-unseen)
3380 (gnus-tmp-downloaded
3382 gnus-undownloaded-mark)
3383 (gnus-newsgroup-agentized
3384 gnus-downloaded-mark)
3387 (gnus-tmp-from (mail-header-from gnus-tmp-header))
3390 ((string-match "<[^>]+> *$" gnus-tmp-from)
3391 (let ((beg (match-beginning 0)))
3392 (or (and (string-match "^\".+\"" gnus-tmp-from)
3393 (substring gnus-tmp-from 1 (1- (match-end 0))))
3394 (substring gnus-tmp-from 0 beg))))
3395 ((string-match "(.+)" gnus-tmp-from)
3396 (substring gnus-tmp-from
3397 (1+ (match-beginning 0)) (1- (match-end 0))))
3399 (gnus-tmp-subject (mail-header-subject gnus-tmp-header))
3400 (gnus-tmp-opening-bracket (if gnus-tmp-dummy ?\< ?\[))
3401 (gnus-tmp-closing-bracket (if gnus-tmp-dummy ?\> ?\]))
3402 (buffer-read-only nil))
3403 (when (string= gnus-tmp-name "")
3404 (setq gnus-tmp-name gnus-tmp-from))
3405 (unless (numberp gnus-tmp-lines)
3406 (setq gnus-tmp-lines -1))
3407 (if (= gnus-tmp-lines -1)
3408 (setq gnus-tmp-lines "?")
3409 (setq gnus-tmp-lines (number-to-string gnus-tmp-lines)))
3410 (gnus-put-text-property
3412 (progn (eval gnus-summary-line-format-spec) (point))
3413 'gnus-number gnus-tmp-number)
3414 (when (gnus-visual-p 'summary-highlight 'highlight)
3416 (gnus-run-hooks 'gnus-summary-update-hook)
3419 (defun gnus-summary-update-line (&optional dont-update)
3420 "Update summary line after change."
3421 (when (and gnus-summary-default-score
3422 (not gnus-summary-inhibit-highlight))
3423 (let* ((gnus-summary-inhibit-highlight t) ; Prevent recursion.
3424 (article (gnus-summary-article-number))
3425 (score (gnus-summary-article-score article)))
3427 (if (and gnus-summary-mark-below
3428 (< (gnus-summary-article-score)
3429 gnus-summary-mark-below))
3430 ;; This article has a low score, so we mark it as read.
3431 (when (memq article gnus-newsgroup-unreads)
3432 (gnus-summary-mark-article-as-read gnus-low-score-mark))
3433 (when (eq (gnus-summary-article-mark) gnus-low-score-mark)
3434 ;; This article was previously marked as read on account
3435 ;; of a low score, but now it has risen, so we mark it as
3437 (gnus-summary-mark-article-as-unread gnus-unread-mark)))
3438 (gnus-summary-update-mark
3439 (if (or (null gnus-summary-default-score)
3440 (<= (abs (- score gnus-summary-default-score))
3441 gnus-summary-zcore-fuzz))
3443 (if (< score gnus-summary-default-score)
3444 gnus-score-below-mark gnus-score-over-mark))
3446 ;; Do visual highlighting.
3447 (when (gnus-visual-p 'summary-highlight 'highlight)
3448 (gnus-run-hooks 'gnus-summary-update-hook)))))
3450 (defvar gnus-tmp-new-adopts nil)
3452 (defun gnus-summary-number-of-articles-in-thread (thread &optional level char)
3453 "Return the number of articles in THREAD.
3454 This may be 0 in some cases -- if none of the articles in
3455 the thread are to be displayed."
3457 ;; Fix by Luc Van Eycken <Luc.VanEycken@esat.kuleuven.ac.be>.
3459 ((not (listp thread))
3461 ((and (consp thread) (cdr thread))
3464 'gnus-summary-number-of-articles-in-thread (cdr thread))))
3467 ((memq (mail-header-number (car thread)) gnus-newsgroup-limit)
3470 (when (and level (zerop level) gnus-tmp-new-adopts)
3473 'gnus-summary-number-of-articles-in-thread
3474 gnus-tmp-new-adopts))))
3476 (if (> number 1) gnus-not-empty-thread-mark
3477 gnus-empty-thread-mark)
3480 (defsubst gnus-summary-line-message-size (head)
3481 "Return pretty-printed version of message size.
3482 This function is intended to be used in
3483 `gnus-summary-line-format-alist'."
3484 (let ((c (or (mail-header-chars head) -1)))
3485 (cond ((< c 0) "n/a") ; chars not available
3486 ((< c (* 1000 10)) (format "%1.1fk" (/ c 1024.0)))
3487 ((< c (* 1000 100)) (format "%dk" (/ c 1024.0)))
3488 ((< c (* 1000 10000)) (format "%1.1fM" (/ c (* 1024.0 1024))))
3489 (t (format "%dM" (/ c (* 1024.0 1024)))))))
3492 (defun gnus-summary-set-local-parameters (group)
3493 "Go through the local params of GROUP and set all variable specs in that list."
3494 (let ((params (gnus-group-find-parameter group))
3495 (vars '(quit-config)) ; Ignore quit-config.
3498 (setq elem (car params)
3499 params (cdr params))
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)
6072 (setq header (car gnus-newsgroup-headers))))
6074 (mail-header-set-number header (mail-header-number old-header)))
6075 (setq gnus-newsgroup-sparse
6076 (delq (setq number (mail-header-number header))
6077 gnus-newsgroup-sparse))
6078 (setq gnus-newsgroup-ancient (delq number gnus-newsgroup-ancient))
6079 (push number gnus-newsgroup-limit)
6080 (gnus-rebuild-thread (mail-header-id header) line)
6081 (gnus-summary-goto-subject number nil t))
6082 (when (and (numberp number)
6084 ;; We have to update the boundaries even if we can't fetch the
6085 ;; article if ID is a number -- so that the next `P' or `N'
6086 ;; command will fetch the previous (or next) article even
6087 ;; if the one we tried to fetch this time has been canceled.
6088 (when (> number gnus-newsgroup-end)
6089 (setq gnus-newsgroup-end number))
6090 (when (< number gnus-newsgroup-begin)
6091 (setq gnus-newsgroup-begin number))
6092 (setq gnus-newsgroup-unselected
6093 (delq number gnus-newsgroup-unselected)))
6094 ;; Report back a success?
6095 (and header (mail-header-number header))))
6097 ;;; Process/prefix in the summary buffer
6099 (defun gnus-summary-work-articles (n)
6100 "Return a list of articles to be worked upon.
6101 The prefix argument, the list of process marked articles, and the
6102 current article will be taken into consideration."
6104 (set-buffer gnus-summary-buffer)
6107 ;; A numerical prefix has been given.
6108 (setq n (prefix-numeric-value n))
6109 (let ((backward (< n 0))
6110 (n (abs (prefix-numeric-value n)))
6115 (push (setq article (gnus-summary-article-number))
6118 (gnus-summary-find-prev nil article)
6119 (gnus-summary-find-next nil article)))
6121 (nreverse articles)))
6122 ((and (gnus-region-active-p) (mark))
6123 (message "region active")
6124 ;; Work on the region between point and mark.
6125 (let ((max (max (point) (mark)))
6128 (goto-char (min (min (point) (mark))))
6131 (push (setq article (gnus-summary-article-number)) articles)
6132 (gnus-summary-find-next nil article)
6134 (nreverse articles))))
6135 (gnus-newsgroup-processable
6136 ;; There are process-marked articles present.
6137 ;; Save current state.
6138 (gnus-summary-save-process-mark)
6140 (reverse gnus-newsgroup-processable))
6142 ;; Just return the current article.
6143 (list (gnus-summary-article-number))))))
6145 (defmacro gnus-summary-iterate (arg &rest forms)
6146 "Iterate over the process/prefixed articles and do FORMS.
6147 ARG is the interactive prefix given to the command. FORMS will be
6148 executed with point over the summary line of the articles."
6149 (let ((articles (make-symbol "gnus-summary-iterate-articles")))
6150 `(let ((,articles (gnus-summary-work-articles ,arg)))
6152 (gnus-summary-goto-subject (car ,articles))
6156 (put 'gnus-summary-iterate 'lisp-indent-function 1)
6157 (put 'gnus-summary-iterate 'edebug-form-spec '(form body))
6159 (defun gnus-summary-save-process-mark ()
6160 "Push the current set of process marked articles on the stack."
6162 (push (copy-sequence gnus-newsgroup-processable)
6163 gnus-newsgroup-process-stack))
6165 (defun gnus-summary-kill-process-mark ()
6166 "Push the current set of process marked articles on the stack and unmark."
6168 (gnus-summary-save-process-mark)
6169 (gnus-summary-unmark-all-processable))
6171 (defun gnus-summary-yank-process-mark ()
6172 "Pop the last process mark state off the stack and restore it."
6174 (unless gnus-newsgroup-process-stack
6175 (error "Empty mark stack"))
6176 (gnus-summary-process-mark-set (pop gnus-newsgroup-process-stack)))
6178 (defun gnus-summary-process-mark-set (set)
6179 "Make SET into the current process marked articles."
6180 (gnus-summary-unmark-all-processable)
6182 (gnus-summary-set-process-mark (pop set))))
6184 ;;; Searching and stuff
6186 (defun gnus-summary-search-group (&optional backward use-level)
6187 "Search for next unread newsgroup.
6188 If optional argument BACKWARD is non-nil, search backward instead."
6190 (set-buffer gnus-group-buffer)
6191 (when (gnus-group-search-forward
6192 backward nil (if use-level (gnus-group-group-level) nil))
6193 (gnus-group-group-name))))
6195 (defun gnus-summary-best-group (&optional exclude-group)
6196 "Find the name of the best unread group.
6197 If EXCLUDE-GROUP, do not go to this group."
6198 (with-current-buffer gnus-group-buffer
6200 (gnus-group-best-unread-group exclude-group))))
6202 (defun gnus-summary-find-next (&optional unread article backward)
6204 (gnus-summary-find-prev unread article)
6205 (let* ((dummy (gnus-summary-article-intangible-p))
6206 (article (or article (gnus-summary-article-number)))
6207 (data (gnus-data-find-list article))
6209 (when (and (not dummy)
6210 (or (not gnus-summary-check-current)
6212 (not (gnus-data-unread-p (car data)))))
6213 (setq data (cdr data)))
6218 (unless (memq (gnus-data-number (car data))
6220 ((eq gnus-auto-goto-ignores
6221 'always-undownloaded)
6222 gnus-newsgroup-undownloaded)
6225 ((eq gnus-auto-goto-ignores
6227 gnus-newsgroup-unfetched)
6228 ((eq gnus-auto-goto-ignores
6230 gnus-newsgroup-undownloaded)))
6231 (when (gnus-data-unread-p (car data))
6232 (setq result (car data)
6234 (setq data (cdr data)))
6237 (goto-char (gnus-data-pos result))
6238 (gnus-data-number result)))))
6240 (defun gnus-summary-find-prev (&optional unread article)
6241 (let* ((eobp (eobp))
6242 (article (or article (gnus-summary-article-number)))
6243 (data (gnus-data-find-list article (gnus-data-list 'rev)))
6245 (when (and (not eobp)
6246 (or (not gnus-summary-check-current)
6248 (not (gnus-data-unread-p (car data)))))
6249 (setq data (cdr data)))
6254 (unless (memq (gnus-data-number (car data))
6256 ((eq gnus-auto-goto-ignores
6257 'always-undownloaded)
6258 gnus-newsgroup-undownloaded)
6261 ((eq gnus-auto-goto-ignores
6263 gnus-newsgroup-unfetched)
6264 ((eq gnus-auto-goto-ignores
6266 gnus-newsgroup-undownloaded)))
6267 (when (gnus-data-unread-p (car data))
6268 (setq result (car data)
6270 (setq data (cdr data)))
6273 (goto-char (gnus-data-pos result))
6274 (gnus-data-number result))))
6276 (defun gnus-summary-find-subject (subject &optional unread backward article)
6277 (let* ((simp-subject (gnus-simplify-subject-fully subject))
6278 (article (or article (gnus-summary-article-number)))
6279 (articles (gnus-data-list backward))
6280 (arts (gnus-data-find-list article articles))
6282 (when (or (not gnus-summary-check-current)
6284 (not (gnus-data-unread-p (car arts))))
6285 (setq arts (cdr arts)))
6287 (and (or (not unread)
6288 (gnus-data-unread-p (car arts)))
6289 (vectorp (gnus-data-header (car arts)))
6291 simp-subject (mail-header-subject (gnus-data-header (car arts))) t)
6292 (setq result (car arts)
6294 (setq arts (cdr arts)))
6296 (goto-char (gnus-data-pos result))
6297 (gnus-data-number result))))
6299 (defun gnus-summary-search-forward (&optional unread subject backward)
6300 "Search forward for an article.
6301 If UNREAD, look for unread articles. If SUBJECT, look for
6302 articles with that subject. If BACKWARD, search backward instead."
6303 (cond (subject (gnus-summary-find-subject subject unread backward))
6304 (backward (gnus-summary-find-prev unread))
6305 (t (gnus-summary-find-next unread))))
6307 (defun gnus-recenter (&optional n)
6308 "Center point in window and redisplay frame.
6309 Also do horizontal recentering."
6311 (when (and gnus-auto-center-summary
6312 (not (eq gnus-auto-center-summary 'vertical)))
6313 (gnus-horizontal-recenter))
6316 (defun gnus-summary-recenter ()
6317 "Center point in the summary window.
6318 If `gnus-auto-center-summary' is nil, or the article buffer isn't
6319 displayed, no centering will be performed."
6320 ;; Suggested by earle@mahendo.JPL.NASA.GOV (Greg Earle).
6321 ;; Recenter only when requested. Suggested by popovich@park.cs.columbia.edu.
6323 ;; The user has to want it.
6324 (when gnus-auto-center-summary
6325 (let* ((top (cond ((< (window-height) 4) 0)
6326 ((< (window-height) 7) 1)
6327 (t (if (numberp gnus-auto-center-summary)
6328 gnus-auto-center-summary
6329 (/ (1- (window-height)) 2)))))
6330 (height (1- (window-height)))
6331 (bottom (save-excursion (goto-char (point-max))
6332 (forward-line (- height))
6334 (window (get-buffer-window (current-buffer))))
6335 (when (get-buffer-window gnus-article-buffer)
6336 ;; Only do recentering when the article buffer is displayed,
6337 ;; Set the window start to either `bottom', which is the biggest
6338 ;; possible valid number, or the second line from the top,
6339 ;; whichever is the least.
6340 (let ((top-pos (save-excursion (forward-line (- top)) (point))))
6341 (if (> bottom top-pos)
6342 ;; Keep the second line from the top visible
6343 (set-window-start window top-pos t)
6344 ;; Try to keep the bottom line visible; if it's partially
6345 ;; obscured, either scroll one more line to make it fully
6346 ;; visible, or revert to using TOP-POS.
6348 (goto-char (point-max))
6350 (let ((last-line-start (point)))
6352 (set-window-start window (point) t)
6353 (when (not (pos-visible-in-window-p last-line-start window))
6355 (set-window-start window (min (point) top-pos) t)))))))
6356 ;; Do horizontal recentering while we're at it.
6357 (when (and (get-buffer-window (current-buffer) t)
6358 (not (eq gnus-auto-center-summary 'vertical)))
6359 (let ((selected (selected-window)))
6360 (select-window (get-buffer-window (current-buffer) t))
6361 (gnus-summary-position-point)
6362 (gnus-horizontal-recenter)
6363 (select-window selected))))))
6365 (defun gnus-summary-jump-to-group (newsgroup)
6366 "Move point to NEWSGROUP in group mode buffer."
6367 ;; Keep update point of group mode buffer if visible.
6368 (if (eq (current-buffer) (get-buffer gnus-group-buffer))
6369 (save-window-excursion
6370 ;; Take care of tree window mode.
6371 (when (get-buffer-window gnus-group-buffer)
6372 (pop-to-buffer gnus-group-buffer))
6373 (gnus-group-jump-to-group newsgroup))
6375 ;; Take care of tree window mode.
6376 (if (get-buffer-window gnus-group-buffer)
6377 (pop-to-buffer gnus-group-buffer)
6378 (set-buffer gnus-group-buffer))
6379 (gnus-group-jump-to-group newsgroup))))
6381 ;; This function returns a list of article numbers based on the
6382 ;; difference between the ranges of read articles in this group and
6383 ;; the range of active articles.
6384 (defun gnus-list-of-unread-articles (group)
6385 (let* ((read (gnus-info-read (gnus-get-info group)))
6386 (active (or (gnus-active group) (gnus-activate-group group)))
6389 ;; If none are read, then all are unread.
6391 (setq first (car active))
6392 ;; If the range of read articles is a single range, then the
6393 ;; first unread article is the article after the last read
6394 ;; article. Sounds logical, doesn't it?
6395 (if (and (not (listp (cdr read)))
6396 (or (< (car read) (car active))
6397 (progn (setq read (list read))
6399 (setq first (max (car active) (1+ (cdr read))))
6400 ;; `read' is a list of ranges.
6401 (when (/= (setq nlast (or (and (numberp (car read)) (car read))
6404 (setq first (car active)))
6407 (while (< first nlast)
6408 (setq unread (cons first unread)
6410 (setq first (1+ (if (atom (car read)) (car read) (cdar read))))
6411 (setq nlast (if (atom (cadr read)) (cadr read) (caadr read)))
6412 (setq read (cdr read)))))
6413 ;; And add the last unread articles.
6414 (while (<= first last)
6415 (setq unread (cons first unread)
6417 ;; Return the list of unread articles.
6418 (delq 0 (nreverse unread))))
6420 (defun gnus-list-of-read-articles (group)
6421 "Return a list of unread, unticked and non-dormant articles."
6422 (let* ((info (gnus-get-info group))
6423 (marked (gnus-info-marks info))
6424 (active (gnus-active group)))
6426 (gnus-list-range-difference
6427 (gnus-list-range-difference
6428 (gnus-sorted-complement
6429 (gnus-uncompress-range active)
6430 (gnus-list-of-unread-articles group))
6431 (cdr (assq 'dormant marked)))
6432 (cdr (assq 'tick marked))))))
6434 ;; This function returns a sequence of article numbers based on the
6435 ;; difference between the ranges of read articles in this group and
6436 ;; the range of active articles.
6437 (defun gnus-sequence-of-unread-articles (group)
6438 (let* ((read (gnus-info-read (gnus-get-info group)))
6439 (active (or (gnus-active group) (gnus-activate-group group)))
6442 ;; If none are read, then all are unread.
6444 (setq first (car active))
6445 ;; If the range of read articles is a single range, then the
6446 ;; first unread article is the article after the last read
6447 ;; article. Sounds logical, doesn't it?
6448 (if (and (not (listp (cdr read)))
6449 (or (< (car read) (car active))
6450 (progn (setq read (list read))
6452 (setq first (max (car active) (1+ (cdr read))))
6453 ;; `read' is a list of ranges.
6454 (when (/= (setq nlast (or (and (numberp (car read)) (car read))
6457 (setq first (car active)))
6460 (push (cons first nlast) unread))
6461 (setq first (1+ (if (atom (car read)) (car read) (cdar read))))
6462 (setq nlast (if (atom (cadr read)) (cadr read) (caadr read)))
6463 (setq read (cdr read)))))
6464 ;; And add the last unread articles.
6465 (cond ((< first last)
6466 (push (cons first last) unread))
6468 (push first unread)))
6469 ;; Return the sequence of unread articles.
6470 (delq 0 (nreverse unread))))
6472 ;; Various summary commands
6474 (defun gnus-summary-select-article-buffer ()
6475 "Reconfigure windows to show article buffer."
6477 (if (not (gnus-buffer-live-p gnus-article-buffer))
6478 (error "There is no article buffer for this summary buffer")
6479 (gnus-configure-windows 'article)
6480 (select-window (get-buffer-window gnus-article-buffer))))
6482 (defun gnus-summary-universal-argument (arg)
6483 "Perform any operation on all articles that are process/prefixed."
6485 (let ((articles (gnus-summary-work-articles arg))
6492 (substitute-command-keys
6493 "\\<gnus-summary-mode-map>\\[gnus-summary-universal-argument]"))))
6495 (gnus-error 1 "Undefined key")
6498 (gnus-summary-goto-subject (setq article (pop articles)))
6499 (let (gnus-newsgroup-processable)
6500 (command-execute func))
6501 (gnus-summary-remove-process-mark article)))))
6502 (gnus-summary-position-point))
6504 (defun gnus-summary-toggle-truncation (&optional arg)
6505 "Toggle truncation of summary lines.
6506 With ARG, turn line truncation on if ARG is positive."
6508 (setq truncate-lines
6509 (if (null arg) (not truncate-lines)
6510 (> (prefix-numeric-value arg) 0)))
6513 (defun gnus-summary-find-for-reselect ()
6514 "Return the number of an article to stay on across a reselect.
6515 The current article is considered, then following articles, then previous
6516 articles. An article is sought which is not cancelled and isn't a temporary
6517 insertion from another group. If there's no such then return a dummy 0."
6519 (dolist (rev '(nil t))
6520 (unless found ; don't demand the reverse list if we don't need it
6521 (let ((data (gnus-data-find-list
6522 (gnus-summary-article-number) (gnus-data-list rev))))
6523 (while (and data (not found))
6524 (if (and (< 0 (gnus-data-number (car data)))
6525 (not (eq gnus-canceled-mark (gnus-data-mark (car data)))))
6526 (setq found (gnus-data-number (car data))))
6527 (setq data (cdr data))))))
6530 (defun gnus-summary-reselect-current-group (&optional all rescan)
6531 "Exit and then reselect the current newsgroup.
6532 The prefix argument ALL means to select all articles."
6534 (when (gnus-ephemeral-group-p gnus-newsgroup-name)
6535 (error "Ephemeral groups can't be reselected"))
6536 (let ((current-subject (gnus-summary-find-for-reselect))
6537 (group gnus-newsgroup-name))
6538 (setq gnus-newsgroup-begin nil)
6539 (gnus-summary-exit nil 'leave-hidden)
6540 ;; We have to adjust the point of group mode buffer because
6541 ;; point was moved to the next unread newsgroup by exiting.
6542 (gnus-summary-jump-to-group group)
6545 (gnus-group-get-new-news-this-group 1)))
6546 (gnus-group-read-group all t)
6547 (gnus-summary-goto-subject current-subject nil t)))
6549 (defun gnus-summary-rescan-group (&optional all)
6550 "Exit the newsgroup, ask for new articles, and select the newsgroup."
6552 (gnus-summary-reselect-current-group all t))
6554 (defun gnus-summary-update-info (&optional non-destructive)
6556 (let ((group gnus-newsgroup-name))
6558 (when gnus-newsgroup-kill-headers
6559 (setq gnus-newsgroup-killed
6560 (gnus-compress-sequence
6562 (gnus-list-range-intersection
6563 gnus-newsgroup-unselected gnus-newsgroup-killed)
6564 gnus-newsgroup-unreads)
6566 (unless (listp (cdr gnus-newsgroup-killed))
6567 (setq gnus-newsgroup-killed (list gnus-newsgroup-killed)))
6568 (let ((headers gnus-newsgroup-headers))
6569 ;; Set the new ranges of read articles.
6570 (with-current-buffer gnus-group-buffer
6571 (gnus-undo-force-boundary))
6572 (gnus-update-read-articles
6573 group (gnus-sorted-union
6574 gnus-newsgroup-unreads gnus-newsgroup-unselected))
6575 ;; Set the current article marks.
6576 (let ((gnus-newsgroup-scored
6577 (if (and (not gnus-save-score)
6578 (not non-destructive))
6580 gnus-newsgroup-scored)))
6582 (gnus-update-marks)))
6583 ;; Do the cross-ref thing.
6584 (when gnus-use-cross-reference
6585 (gnus-mark-xrefs-as-read group headers gnus-newsgroup-unreads))
6586 ;; Do not switch windows but change the buffer to work.
6587 (set-buffer gnus-group-buffer)
6588 (unless (gnus-ephemeral-group-p group)
6589 (gnus-group-update-group group)))))))
6591 (defun gnus-summary-save-newsrc (&optional force)
6592 "Save the current number of read/marked articles in the dribble buffer.
6593 The dribble buffer will then be saved.
6594 If FORCE (the prefix), also save the .newsrc file(s)."
6596 (gnus-summary-update-info t)
6598 (gnus-save-newsrc-file)
6599 (gnus-dribble-save)))
6601 (defun gnus-summary-exit (&optional temporary leave-hidden)
6602 "Exit reading current newsgroup, and then return to group selection mode.
6603 `gnus-exit-group-hook' is called with no arguments if that value is non-nil."
6605 (gnus-set-global-variables)
6606 (when (gnus-buffer-live-p gnus-article-buffer)
6608 (set-buffer gnus-article-buffer)
6609 (mm-destroy-parts gnus-article-mime-handles)
6610 ;; Set it to nil for safety reason.
6611 (setq gnus-article-mime-handle-alist nil)
6612 (setq gnus-article-mime-handles nil)))
6613 (gnus-kill-save-kill-buffer)
6614 (gnus-async-halt-prefetch)
6615 (let* ((group gnus-newsgroup-name)
6616 (quit-config (gnus-group-quit-config gnus-newsgroup-name))
6617 (gnus-group-is-exiting-p t)
6620 (buf (current-buffer)))
6622 ;; Do adaptive scoring, and possibly save score files.
6623 (when gnus-newsgroup-adaptive
6624 (gnus-score-adaptive))
6625 (when gnus-use-scoring
6627 (gnus-run-hooks 'gnus-summary-prepare-exit-hook)
6628 ;; If we have several article buffers, we kill them at exit.
6629 (unless gnus-single-article-buffer
6630 (gnus-kill-buffer gnus-original-article-buffer)
6631 (setq gnus-article-current nil))
6632 (when gnus-use-cache
6633 (gnus-cache-possibly-remove-articles)
6634 (gnus-cache-save-buffers))
6635 (gnus-async-prefetch-remove-group group)
6636 (when gnus-suppress-duplicates
6637 (gnus-dup-enter-articles))
6638 (when gnus-use-trees
6639 (gnus-tree-close group))
6640 (when gnus-use-cache
6641 (gnus-cache-write-active))
6642 ;; Remove entries for this group.
6643 (nnmail-purge-split-history (gnus-group-real-name group))
6644 ;; Make all changes in this group permanent.
6646 (gnus-run-hooks 'gnus-exit-group-hook)
6647 (gnus-summary-update-info))
6648 (gnus-close-group group)
6649 ;; Make sure where we were, and go to next newsgroup.
6650 (set-buffer gnus-group-buffer)
6652 (gnus-group-jump-to-group group))
6653 (gnus-run-hooks 'gnus-summary-exit-hook)
6654 (unless (or quit-config
6655 ;; If this group has disappeared from the summary
6656 ;; buffer, don't skip forwards.
6657 (not (string= group (gnus-group-group-name))))
6658 (gnus-group-next-unread-group 1))
6659 (setq group-point (point))
6662 ;; If we have several article buffers, we kill them at exit.
6663 (unless gnus-single-article-buffer
6664 (gnus-kill-buffer gnus-article-buffer)
6665 (gnus-kill-buffer gnus-original-article-buffer)
6666 (setq gnus-article-current nil))
6668 (if (not gnus-kill-summary-on-exit)
6670 (gnus-deaden-summary)
6672 ;; We set all buffer-local variables to nil. It is unclear why
6673 ;; this is needed, but if we don't, buffer-local variables are
6674 ;; not garbage-collected, it seems. This would the lead to en
6675 ;; ever-growing Emacs.
6676 (gnus-summary-clear-local-variables)
6677 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
6678 (gnus-summary-clear-local-variables))
6679 (when (get-buffer gnus-article-buffer)
6680 (bury-buffer gnus-article-buffer))
6681 ;; We clear the global counterparts of the buffer-local
6682 ;; variables as well, just to be on the safe side.
6683 (set-buffer gnus-group-buffer)
6684 (gnus-summary-clear-local-variables)
6685 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
6686 (gnus-summary-clear-local-variables))
6687 ;; Return to group mode buffer.
6688 (when (eq mode 'gnus-summary-mode)
6689 (gnus-kill-buffer buf)))
6690 (setq gnus-current-select-method gnus-select-method)
6692 (set-buffer gnus-group-buffer)
6693 (pop-to-buffer gnus-group-buffer))
6694 (if (not quit-config)
6696 (goto-char group-point)
6697 (unless leave-hidden
6698 (gnus-configure-windows 'group 'force)))
6699 (gnus-handle-ephemeral-exit quit-config))
6700 ;; Clear the current group name.
6702 (setq gnus-newsgroup-name nil)))))
6704 (defalias 'gnus-summary-quit 'gnus-summary-exit-no-update)
6705 (defun gnus-summary-exit-no-update (&optional no-questions)
6706 "Quit reading current newsgroup without updating read article info."
6708 (let* ((group gnus-newsgroup-name)
6709 (gnus-group-is-exiting-p t)
6710 (gnus-group-is-exiting-without-update-p t)
6711 (quit-config (gnus-group-quit-config group)))
6712 (when (or no-questions
6714 (gnus-y-or-n-p "Discard changes to this group and exit? "))
6715 (gnus-async-halt-prefetch)
6716 (run-hooks 'gnus-summary-prepare-exit-hook)
6717 (when (gnus-buffer-live-p gnus-article-buffer)
6719 (set-buffer gnus-article-buffer)
6720 (mm-destroy-parts gnus-article-mime-handles)
6721 ;; Set it to nil for safety reason.
6722 (setq gnus-article-mime-handle-alist nil)
6723 (setq gnus-article-mime-handles nil)))
6724 ;; If we have several article buffers, we kill them at exit.
6725 (unless gnus-single-article-buffer
6726 (gnus-kill-buffer gnus-article-buffer)
6727 (gnus-kill-buffer gnus-original-article-buffer)
6728 (setq gnus-article-current nil))
6729 (if (not gnus-kill-summary-on-exit)
6730 (gnus-deaden-summary)
6731 (gnus-close-group group)
6732 (gnus-summary-clear-local-variables)
6733 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
6734 (gnus-summary-clear-local-variables))
6735 (set-buffer gnus-group-buffer)
6736 (gnus-summary-clear-local-variables)
6737 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
6738 (gnus-summary-clear-local-variables))
6739 (gnus-kill-buffer gnus-summary-buffer))
6740 (unless gnus-single-article-buffer
6741 (setq gnus-article-current nil))
6742 (when gnus-use-trees
6743 (gnus-tree-close group))
6744 (gnus-async-prefetch-remove-group group)
6745 (when (get-buffer gnus-article-buffer)
6746 (bury-buffer gnus-article-buffer))
6747 ;; Return to the group buffer.
6748 (gnus-configure-windows 'group 'force)
6749 ;; Clear the current group name.
6750 (setq gnus-newsgroup-name nil)
6751 (unless (gnus-ephemeral-group-p group)
6752 (gnus-group-update-group group))
6753 (when (equal (gnus-group-group-name) group)
6754 (gnus-group-next-unread-group 1))
6756 (gnus-handle-ephemeral-exit quit-config)))))
6758 (defun gnus-handle-ephemeral-exit (quit-config)
6759 "Handle movement when leaving an ephemeral group.
6760 The state which existed when entering the ephemeral is reset."
6761 (if (not (buffer-name (car quit-config)))
6762 (gnus-configure-windows 'group 'force)
6763 (set-buffer (car quit-config))
6764 (cond ((eq major-mode 'gnus-summary-mode)
6765 (gnus-set-global-variables))
6766 ((eq major-mode 'gnus-article-mode)
6768 ;; The `gnus-summary-buffer' variable may point
6769 ;; to the old summary buffer when using a single
6771 (unless (gnus-buffer-live-p gnus-summary-buffer)
6772 (set-buffer gnus-group-buffer))
6773 (set-buffer gnus-summary-buffer)
6774 (gnus-set-global-variables))))
6775 (if (or (eq (cdr quit-config) 'article)
6776 (eq (cdr quit-config) 'pick))
6778 ;; The current article may be from the ephemeral group
6779 ;; thus it is best that we reload this article
6781 ;; If we're exiting from a large digest, this can be
6782 ;; extremely slow. So, it's better not to reload it. -- jh.
6783 ;;(gnus-summary-show-article)
6784 (if (and (boundp 'gnus-pick-mode) (symbol-value 'gnus-pick-mode))
6785 (gnus-configure-windows 'pick 'force)
6786 (gnus-configure-windows (cdr quit-config) 'force)))
6787 (gnus-configure-windows (cdr quit-config) 'force))
6788 (when (eq major-mode 'gnus-summary-mode)
6789 (gnus-summary-next-subject 1 nil t)
6790 (gnus-summary-recenter)
6791 (gnus-summary-position-point))))
6795 (defvar gnus-dead-summary-mode-map nil)
6797 (unless gnus-dead-summary-mode-map
6798 (setq gnus-dead-summary-mode-map (make-keymap))
6799 (suppress-keymap gnus-dead-summary-mode-map)
6800 (substitute-key-definition
6801 'undefined 'gnus-summary-wake-up-the-dead gnus-dead-summary-mode-map)
6802 (dolist (key '("\C-d" "\r" "\177" [delete]))
6803 (define-key gnus-dead-summary-mode-map
6804 key 'gnus-summary-wake-up-the-dead))
6805 (dolist (key '("q" "Q"))
6806 (define-key gnus-dead-summary-mode-map key 'bury-buffer)))
6808 (defvar gnus-dead-summary-mode nil
6809 "Minor mode for Gnus summary buffers.")
6811 (defun gnus-dead-summary-mode (&optional arg)
6812 "Minor mode for Gnus summary buffers."
6814 (when (eq major-mode 'gnus-summary-mode)
6815 (make-local-variable 'gnus-dead-summary-mode)
6816 (setq gnus-dead-summary-mode
6817 (if (null arg) (not gnus-dead-summary-mode)
6818 (> (prefix-numeric-value arg) 0)))
6819 (when gnus-dead-summary-mode
6821 'gnus-dead-summary-mode " Dead" gnus-dead-summary-mode-map))))
6823 (defun gnus-deaden-summary ()
6824 "Make the current summary buffer into a dead summary buffer."
6825 ;; Kill any previous dead summary buffer.
6826 (when (and gnus-dead-summary
6827 (buffer-name gnus-dead-summary))
6828 (with-current-buffer gnus-dead-summary
6829 (when gnus-dead-summary-mode
6830 (kill-buffer (current-buffer)))))
6831 ;; Make this the current dead summary.
6832 (setq gnus-dead-summary (current-buffer))
6833 (gnus-dead-summary-mode 1)
6834 (let ((name (buffer-name)))
6835 (when (string-match "Summary" name)
6837 (concat (substring name 0 (match-beginning 0)) "Dead "
6838 (substring name (match-beginning 0)))
6842 (defun gnus-kill-or-deaden-summary (buffer)
6843 "Kill or deaden the summary BUFFER."
6845 (when (and (buffer-name buffer)
6846 (not gnus-single-article-buffer))
6847 (with-current-buffer buffer
6848 (gnus-kill-buffer gnus-article-buffer)
6849 (gnus-kill-buffer gnus-original-article-buffer)))
6852 (gnus-kill-summary-on-exit
6853 (when (and gnus-use-trees
6854 (gnus-buffer-exists-p buffer))
6857 (gnus-tree-close gnus-newsgroup-name)))
6858 (gnus-kill-buffer buffer))
6859 ;; Deaden the buffer.
6860 ((gnus-buffer-exists-p buffer)
6863 (gnus-deaden-summary))))))
6865 (defun gnus-summary-wake-up-the-dead (&rest args)
6866 "Wake up the dead summary buffer."
6868 (gnus-dead-summary-mode -1)
6869 (let ((name (buffer-name)))
6870 (when (string-match "Dead " name)
6872 (concat (substring name 0 (match-beginning 0))
6873 (substring name (match-end 0)))
6875 (gnus-message 3 "This dead summary is now alive again"))
6877 ;; Suggested by Andrew Eskilsson <pi92ae@pt.hk-r.se>.
6878 (defun gnus-summary-fetch-faq (&optional faq-dir)
6879 "Fetch the FAQ for the current group.
6880 If FAQ-DIR (the prefix), prompt for a directory to search for the faq
6884 (when current-prefix-arg
6886 "FAQ dir: " (and (listp gnus-group-faq-directory)
6888 gnus-group-faq-directory))))))
6889 (let (gnus-faq-buffer)
6890 (when (setq gnus-faq-buffer
6891 (gnus-group-fetch-faq gnus-newsgroup-name faq-dir))
6892 (gnus-configure-windows 'summary-faq))))
6894 ;; Suggested by Per Abrahamsen <amanda@iesd.auc.dk>.
6895 (defun gnus-summary-describe-group (&optional force)
6896 "Describe the current newsgroup."
6898 (gnus-group-describe-group force gnus-newsgroup-name))
6900 (defun gnus-summary-describe-briefly ()
6901 "Describe summary mode commands briefly."
6903 (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")))
6905 ;; Walking around group mode buffer from summary mode.
6907 (defun gnus-summary-next-group (&optional no-article target-group backward)
6908 "Exit current newsgroup and then select next unread newsgroup.
6909 If prefix argument NO-ARTICLE is non-nil, no article is selected
6910 initially. If TARGET-GROUP, go to this group. If BACKWARD, go to
6911 previous group instead."
6913 ;; Stop pre-fetching.
6914 (gnus-async-halt-prefetch)
6915 (let ((current-group gnus-newsgroup-name)
6916 (current-buffer (current-buffer))
6918 ;; First we semi-exit this group to update Xrefs and all variables.
6919 ;; We can't do a real exit, because the window conf must remain
6920 ;; the same in case the user is prompted for info, and we don't
6921 ;; want the window conf to change before that...
6922 (gnus-summary-exit t)
6923 (while (not entered)
6924 ;; Then we find what group we are supposed to enter.
6925 (set-buffer gnus-group-buffer)
6926 (gnus-group-jump-to-group current-group)
6929 (if (eq gnus-keep-same-level 'best)
6930 (gnus-summary-best-group gnus-newsgroup-name)
6931 (gnus-summary-search-group backward gnus-keep-same-level))))
6932 (if (not target-group)
6933 ;; There are no further groups, so we return to the group
6936 (gnus-message 5 "Returning to the group buffer")
6938 (when (gnus-buffer-live-p current-buffer)
6939 (set-buffer current-buffer)
6940 (gnus-summary-exit))
6941 (gnus-run-hooks 'gnus-group-no-more-groups-hook))
6942 ;; We try to enter the target group.
6943 (gnus-group-jump-to-group target-group)
6944 (let ((unreads (gnus-group-group-unread)))
6945 (if (and (or (eq t unreads)
6946 (and unreads (not (zerop unreads))))
6947 (gnus-summary-read-group
6948 target-group nil no-article
6949 (and (buffer-name current-buffer) current-buffer)
6952 (setq current-group target-group
6953 target-group nil)))))))
6955 (defun gnus-summary-prev-group (&optional no-article)
6956 "Exit current newsgroup and then select previous unread newsgroup.
6957 If prefix argument NO-ARTICLE is non-nil, no article is selected initially."
6959 (gnus-summary-next-group no-article nil t))
6961 ;; Walking around summary lines.
6963 (defun gnus-summary-first-subject (&optional unread undownloaded unseen)
6964 "Go to the first subject satisfying any non-nil constraint.
6965 If UNREAD is non-nil, the article should be unread.
6966 If UNDOWNLOADED is non-nil, the article should be undownloaded.
6967 If UNSEEN is non-nil, the article should be unseen.
6968 Returns the article selected or nil if there are no matching articles."
6972 ((null gnus-newsgroup-data)
6973 (gnus-message 3 "No articles in the group")
6975 ;; Pick the first article.
6976 ((not (or unread undownloaded unseen))
6977 (goto-char (gnus-data-pos (car gnus-newsgroup-data)))
6978 (gnus-data-number (car gnus-newsgroup-data)))
6979 ;; Find the first unread article.
6981 (let ((data gnus-newsgroup-data))
6983 (let ((num (gnus-data-number (car data))))
6984 (or (memq num gnus-newsgroup-unfetched)
6985 (not (or (and unread
6986 (memq num gnus-newsgroup-unreads))
6988 (memq num gnus-newsgroup-undownloaded))
6990 (memq num gnus-newsgroup-unseen)))))))
6991 (setq data (cdr data)))
6995 (goto-char (gnus-data-pos (car data)))
6996 (gnus-data-number (car data)))
6997 (gnus-message 3 "No more%s articles"
6998 (let* ((r (when unread " unread"))
6999 (d (when undownloaded " undownloaded"))
7000 (s (when unseen " unseen"))
7001 (l (delq nil (list r d s))))
7002 (cond ((= 3 (length l))
7003 (concat r "," d ", or" s))
7005 (concat (car l) ", or" (cadr l)))
7012 (gnus-summary-position-point))))))
7014 (defun gnus-summary-next-subject (n &optional unread dont-display)
7015 "Go to next N'th summary line.
7016 If N is negative, go to the previous N'th subject line.
7017 If UNREAD is non-nil, only unread articles are selected.
7018 The difference between N and the actual number of steps taken is
7021 (let ((backward (< n 0))
7025 (gnus-summary-find-prev unread)
7026 (gnus-summary-find-next unread)))
7027 (unless (zerop (setq n (1- n)))
7028 (gnus-summary-show-thread)))
7030 (gnus-message 7 "No more%s articles"
7031 (if unread " unread" "")))
7032 (unless dont-display
7033 (gnus-summary-recenter)
7034 (gnus-summary-position-point))
7037 (defun gnus-summary-next-unread-subject (n)
7038 "Go to next N'th unread summary line."
7040 (gnus-summary-next-subject n t))
7042 (defun gnus-summary-prev-subject (n &optional unread)
7043 "Go to previous N'th summary line.
7044 If optional argument UNREAD is non-nil, only unread article is selected."
7046 (gnus-summary-next-subject (- n) unread))
7048 (defun gnus-summary-prev-unread-subject (n)
7049 "Go to previous N'th unread summary line."
7051 (gnus-summary-next-subject (- n) t))
7053 (defun gnus-summary-goto-subjects (articles)
7054 "Insert the subject header for ARTICLES in the current buffer."
7056 (dolist (article articles)
7057 (gnus-summary-goto-subject article t)))
7058 (gnus-summary-limit (append articles gnus-newsgroup-limit))
7059 (gnus-summary-position-point))
7061 (defun gnus-summary-goto-subject (article &optional force silent)
7062 "Go the subject line of ARTICLE.
7063 If FORCE, also allow jumping to articles not currently shown."
7064 (interactive "nArticle number: ")
7065 (unless (numberp article)
7066 (error "Article %s is not a number" article))
7068 (data (gnus-data-find article)))
7069 ;; We read in the article if we have to.
7072 (gnus-summary-insert-subject
7074 (if (or (numberp force) (vectorp force)) force)
7076 (setq data (gnus-data-find article)))
7081 (gnus-message 3 "Can't find article %d" article))
7083 (let ((pt (gnus-data-pos data)))
7085 (gnus-summary-set-article-display-arrow pt))
7086 (gnus-summary-position-point)
7089 ;; Walking around summary lines with displaying articles.
7091 (defun gnus-summary-expand-window (&optional arg)
7092 "Make the summary buffer take up the entire Emacs frame.
7093 Given a prefix, will force an `article' buffer configuration."
7096 (gnus-configure-windows 'article 'force)
7097 (gnus-configure-windows 'summary 'force)))
7099 (defun gnus-summary-display-article (article &optional all-header)
7100 "Display ARTICLE in article buffer."
7101 (when (gnus-buffer-live-p gnus-article-buffer)
7102 (with-current-buffer gnus-article-buffer
7103 (mm-enable-multibyte)))
7104 (gnus-set-global-variables)
7105 (when (gnus-buffer-live-p gnus-article-buffer)
7106 (with-current-buffer gnus-article-buffer
7107 (setq gnus-article-charset gnus-newsgroup-charset)
7108 (setq gnus-article-ignored-charsets gnus-newsgroup-ignored-charsets)
7109 (mm-enable-multibyte)))
7113 (if gnus-summary-display-article-function
7114 (funcall gnus-summary-display-article-function article all-header)
7115 (gnus-article-prepare article all-header))
7116 (gnus-run-hooks 'gnus-select-article-hook)
7117 (when (and gnus-current-article
7118 (not (zerop gnus-current-article)))
7119 (gnus-summary-goto-subject gnus-current-article))
7120 (gnus-summary-recenter)
7121 (when (and gnus-use-trees gnus-show-threads)
7122 (gnus-possibly-generate-tree article)
7123 (gnus-highlight-selected-tree article))
7124 ;; Successfully display article.
7125 (gnus-article-set-window-start
7126 (cdr (assq article gnus-newsgroup-bookmarks))))))
7128 (defun gnus-summary-select-article (&optional all-headers force pseudo article)
7129 "Select the current article.
7130 If ALL-HEADERS is non-nil, show all header fields. If FORCE is
7131 non-nil, the article will be re-fetched even if it already present in
7132 the article buffer. If PSEUDO is non-nil, pseudo-articles will also
7134 ;; Make sure we are in the summary buffer to work around bbdb bug.
7135 (unless (eq major-mode 'gnus-summary-mode)
7136 (set-buffer gnus-summary-buffer))
7137 (let ((article (or article (gnus-summary-article-number)))
7138 (all-headers (not (not all-headers))) ;Must be t or nil.
7139 gnus-summary-display-article-function)
7141 (gnus-summary-article-pseudo-p article)
7142 (error "This is a pseudo-article"))
7144 (set-buffer gnus-summary-buffer)
7145 (if (or (and gnus-single-article-buffer
7146 (or (null gnus-current-article)
7147 (null gnus-article-current)
7148 (null (get-buffer gnus-article-buffer))
7149 (not (eq article (cdr gnus-article-current)))
7150 (not (equal (car gnus-article-current)
7151 gnus-newsgroup-name))))
7152 (and (not gnus-single-article-buffer)
7153 (or (null gnus-current-article)
7154 (not (eq gnus-current-article article))))
7156 ;; The requested article is different from the current article.
7158 (gnus-summary-display-article article all-headers)
7159 (when (gnus-buffer-live-p gnus-article-buffer)
7160 (with-current-buffer gnus-article-buffer
7161 (if (not gnus-article-decoded-p) ;; a local variable
7162 (mm-disable-multibyte))))
7163 (gnus-article-set-window-start
7164 (cdr (assq article gnus-newsgroup-bookmarks)))
7168 (defun gnus-summary-force-verify-and-decrypt ()
7169 "Display buttons for signed/encrypted parts and verify/decrypt them."
7171 (let ((mm-verify-option 'known)
7172 (mm-decrypt-option 'known)
7173 (gnus-article-emulate-mime t)
7174 (mm-fill-flowed nil)
7175 (gnus-buttonized-mime-types (append (list "multipart/signed"
7176 "multipart/encrypted")
7177 gnus-buttonized-mime-types)))
7178 (gnus-summary-select-article nil 'force)))
7180 (defun gnus-summary-set-current-mark (&optional current-mark)
7181 "Obsolete function."
7184 (defun gnus-summary-next-article (&optional unread subject backward push)
7185 "Select the next article.
7186 If UNREAD, only unread articles are selected.
7187 If SUBJECT, only articles with SUBJECT are selected.
7188 If BACKWARD, the previous article is selected instead of the next."
7191 ;; Is there such an article?
7192 ((and (gnus-summary-search-forward unread subject backward)
7193 (or (gnus-summary-display-article (gnus-summary-article-number))
7194 (eq (gnus-summary-article-mark) gnus-canceled-mark)))
7195 (gnus-summary-position-point))
7196 ;; If not, we try the first unread, if that is wanted.
7198 gnus-auto-select-same
7199 (gnus-summary-first-unread-article))
7200 (gnus-summary-position-point)
7201 (gnus-message 6 "Wrapped"))
7202 ;; Try to get next/previous article not displayed in this group.
7203 ((and gnus-auto-extend-newsgroup
7204 (not unread) (not subject))
7205 (gnus-summary-goto-article
7206 (if backward (1- gnus-newsgroup-begin) (1+ gnus-newsgroup-end))
7207 nil (count-lines (point-min) (point))))
7208 ;; Go to next/previous group.
7210 (unless (gnus-ephemeral-group-p gnus-newsgroup-name)
7211 (gnus-summary-jump-to-group gnus-newsgroup-name))
7212 (let ((cmd last-command-char)
7214 (with-current-buffer gnus-group-buffer
7217 (if (eq gnus-keep-same-level 'best)
7218 (gnus-summary-best-group gnus-newsgroup-name)
7219 (gnus-summary-search-group backward gnus-keep-same-level))))
7220 ;; For some reason, the group window gets selected. We change
7222 (select-window (get-buffer-window (current-buffer)))
7223 ;; Select next unread newsgroup automagically.
7225 ((or (not gnus-auto-select-next)
7227 (gnus-message 7 "No more%s articles" (if unread " unread" "")))
7228 ((or (eq gnus-auto-select-next 'quietly)
7229 (and (eq gnus-auto-select-next 'slightly-quietly)
7231 (and (eq gnus-auto-select-next 'almost-quietly)
7232 (gnus-summary-last-article-p)))
7234 (if (gnus-ephemeral-group-p gnus-newsgroup-name)
7236 (gnus-message 7 "No more%s articles (%s)..."
7237 (if unread " unread" "")
7238 (if group (concat "selecting " group)
7240 (gnus-summary-next-group nil group backward)))
7242 (when (gnus-key-press-event-p last-input-event)
7243 (gnus-summary-walk-group-buffer
7244 gnus-newsgroup-name cmd unread backward point))))))))
7246 (defun gnus-summary-walk-group-buffer (from-group cmd unread backward start)
7247 (let ((keystrokes '((?\C-n (gnus-group-next-unread-group 1))
7248 (?\C-p (gnus-group-prev-unread-group 1))))
7249 (cursor-in-echo-area t)
7250 keve key group ended prompt)
7252 (set-buffer gnus-group-buffer)
7255 (if (eq gnus-keep-same-level 'best)
7256 (gnus-summary-best-group gnus-newsgroup-name)
7257 (gnus-summary-search-group backward gnus-keep-same-level))))
7261 "No more%s articles%s " (if unread " unread" "")
7263 (not (gnus-ephemeral-group-p gnus-newsgroup-name)))
7264 (format " (Type %s for %s [%s])"
7265 (single-key-description cmd) group
7266 (gnus-group-unread group))
7267 (format " (Type %s to exit %s)"
7268 (single-key-description cmd)
7269 gnus-newsgroup-name))))
7270 ;; Confirm auto selection.
7271 (setq key (car (setq keve (gnus-read-event-char prompt)))
7274 ((assq key keystrokes)
7275 (let ((obuf (current-buffer)))
7276 (switch-to-buffer gnus-group-buffer)
7278 (gnus-group-jump-to-group group))
7279 (eval (cadr (assq key keystrokes)))
7280 (setq group (gnus-group-group-name))
7281 (switch-to-buffer obuf))
7285 (gnus-ephemeral-group-p gnus-newsgroup-name))
7287 (gnus-summary-next-group nil group backward)))
7289 (push (cdr keve) unread-command-events))))))
7291 (defun gnus-summary-next-unread-article ()
7292 "Select unread article after current one."
7294 (gnus-summary-next-article
7295 (or (not (eq gnus-summary-goto-unread 'never))
7296 (gnus-summary-last-article-p (gnus-summary-article-number)))
7297 (and gnus-auto-select-same
7298 (gnus-summary-article-subject))))
7300 (defun gnus-summary-prev-article (&optional unread subject)
7301 "Select the article after the current one.
7302 If UNREAD is non-nil, only unread articles are selected."
7304 (gnus-summary-next-article unread subject t))
7306 (defun gnus-summary-prev-unread-article ()
7307 "Select unread article before current one."
7309 (gnus-summary-prev-article
7310 (or (not (eq gnus-summary-goto-unread 'never))
7311 (gnus-summary-first-article-p (gnus-summary-article-number)))
7312 (and gnus-auto-select-same
7313 (gnus-summary-article-subject))))
7315 (defun gnus-summary-next-page (&optional lines circular stop)
7316 "Show next page of the selected article.
7317 If at the end of the current article, select the next article.
7318 LINES says how many lines should be scrolled up.
7320 If CIRCULAR is non-nil, go to the start of the article instead of
7321 selecting the next article when reaching the end of the current
7324 If STOP is non-nil, just stop when reaching the end of the message.
7326 Also see the variable `gnus-article-skip-boring'."
7328 (setq gnus-summary-buffer (current-buffer))
7329 (gnus-set-global-variables)
7330 (let ((article (gnus-summary-article-number))
7331 (article-window (get-buffer-window gnus-article-buffer t))
7333 ;; If the buffer is empty, we have no article.
7335 (error "No article to select"))
7336 (gnus-configure-windows 'article)
7337 (if (eq (cdr (assq article gnus-newsgroup-reads)) gnus-canceled-mark)
7338 (if (and (eq gnus-summary-goto-unread 'never)
7339 (not (gnus-summary-last-article-p article)))
7340 (gnus-summary-next-article)
7341 (gnus-summary-next-unread-article))
7342 (if (or (null gnus-current-article)
7343 (null gnus-article-current)
7344 (/= article (cdr gnus-article-current))
7345 (not (equal (car gnus-article-current) gnus-newsgroup-name)))
7346 ;; Selected subject is different from current article's.
7347 (gnus-summary-display-article article)
7348 (when article-window
7349 (gnus-eval-in-buffer-window gnus-article-buffer
7350 (setq endp (or (gnus-article-next-page lines)
7351 (gnus-article-only-boring-p))))
7354 (gnus-message 3 "End of message"))
7356 (gnus-summary-beginning-of-article))
7358 (gnus-message 3 "End of message"))
7360 (if (and (eq gnus-summary-goto-unread 'never)
7361 (not (gnus-summary-last-article-p article)))
7362 (gnus-summary-next-article)
7363 (gnus-summary-next-unread-article))))))))
7364 (gnus-summary-recenter)
7365 (gnus-summary-position-point)))
7367 (defun gnus-summary-prev-page (&optional lines move)
7368 "Show previous page of selected article.
7369 Argument LINES specifies lines to be scrolled down.
7370 If MOVE, move to the previous unread article if point is at
7371 the beginning of the buffer."
7373 (let ((article (gnus-summary-article-number))
7374 (article-window (get-buffer-window gnus-article-buffer t))
7376 (gnus-configure-windows 'article)
7377 (if (or (null gnus-current-article)
7378 (null gnus-article-current)
7379 (/= article (cdr gnus-article-current))
7380 (not (equal (car gnus-article-current) gnus-newsgroup-name)))
7381 ;; Selected subject is different from current article's.
7382 (gnus-summary-display-article article)
7383 (gnus-summary-recenter)
7384 (when article-window
7385 (gnus-eval-in-buffer-window gnus-article-buffer
7386 (setq endp (gnus-article-prev-page lines)))
7387 (when (and move endp)
7389 (gnus-message 3 "Beginning of message"))
7391 (if (and (eq gnus-summary-goto-unread 'never)
7392 (not (gnus-summary-first-article-p article)))
7393 (gnus-summary-prev-article)
7394 (gnus-summary-prev-unread-article))))))))
7395 (gnus-summary-position-point))
7397 (defun gnus-summary-prev-page-or-article (&optional lines)
7398 "Show previous page of selected article.
7399 Argument LINES specifies lines to be scrolled down.
7400 If at the beginning of the article, go to the next article."
7402 (gnus-summary-prev-page lines t))
7404 (defun gnus-summary-scroll-up (lines)
7405 "Scroll up (or down) one line current article.
7406 Argument LINES specifies lines to be scrolled up (or down if negative)."
7408 (gnus-configure-windows 'article)
7409 (gnus-summary-show-thread)
7410 (when (eq (gnus-summary-select-article nil nil 'pseudo) 'old)
7411 (gnus-eval-in-buffer-window gnus-article-buffer
7413 (when (gnus-article-next-page lines)
7414 (gnus-message 3 "End of message")))
7416 (gnus-article-prev-page (- lines))))))
7417 (gnus-summary-recenter)
7418 (gnus-summary-position-point))
7420 (defun gnus-summary-scroll-down (lines)
7421 "Scroll down (or up) one line current article.
7422 Argument LINES specifies lines to be scrolled down (or up if negative)."
7424 (gnus-summary-scroll-up (- lines)))
7426 (defun gnus-summary-next-same-subject ()
7427 "Select next article which has the same subject as current one."
7429 (gnus-summary-next-article nil (gnus-summary-article-subject)))
7431 (defun gnus-summary-prev-same-subject ()
7432 "Select previous article which has the same subject as current one."
7434 (gnus-summary-prev-article nil (gnus-summary-article-subject)))
7436 (defun gnus-summary-next-unread-same-subject ()
7437 "Select next unread article which has the same subject as current one."
7439 (gnus-summary-next-article t (gnus-summary-article-subject)))
7441 (defun gnus-summary-prev-unread-same-subject ()
7442 "Select previous unread article which has the same subject as current one."
7444 (gnus-summary-prev-article t (gnus-summary-article-subject)))
7446 (defun gnus-summary-first-unread-article ()
7447 "Select the first unread article.
7448 Return nil if there are no unread articles."
7451 (when (gnus-summary-first-subject t)
7452 (gnus-summary-show-thread)
7453 (gnus-summary-first-subject t)
7454 (gnus-summary-display-article (gnus-summary-article-number)))
7455 (gnus-summary-position-point)))
7457 (defun gnus-summary-first-unread-subject ()
7458 "Place the point on the subject line of the first unread article.
7459 Return nil if there are no unread articles."
7462 (when (gnus-summary-first-subject t)
7463 (gnus-summary-show-thread)
7464 (gnus-summary-first-subject t))
7465 (gnus-summary-position-point)))
7467 (defun gnus-summary-first-unseen-subject ()
7468 "Place the point on the subject line of the first unseen article.
7469 Return nil if there are no unseen articles."
7472 (when (gnus-summary-first-subject nil nil t)
7473 (gnus-summary-show-thread)
7474 (gnus-summary-first-subject nil nil t))
7475 (gnus-summary-position-point)))
7477 (defun gnus-summary-first-unseen-or-unread-subject ()
7478 "Place the point on the subject line of the first unseen article or,
7479 if all article have been seen, on the subject line of the first unread
7483 (unless (when (gnus-summary-first-subject nil nil t)
7484 (gnus-summary-show-thread)
7485 (gnus-summary-first-subject nil nil t))
7486 (when (gnus-summary-first-subject t)
7487 (gnus-summary-show-thread)
7488 (gnus-summary-first-subject t)))
7489 (gnus-summary-position-point)))
7491 (defun gnus-summary-first-article ()
7492 "Select the first article.
7493 Return nil if there are no articles."
7496 (when (gnus-summary-first-subject)
7497 (gnus-summary-show-thread)
7498 (gnus-summary-first-subject)
7499 (gnus-summary-display-article (gnus-summary-article-number)))
7500 (gnus-summary-position-point)))
7502 (defun gnus-summary-best-unread-article (&optional arg)
7503 "Select the unread article with the highest score.
7504 If given a prefix argument, select the next unread article that has a
7505 score higher than the default score."
7507 (let ((article (if arg
7508 (gnus-summary-better-unread-subject)
7509 (gnus-summary-best-unread-subject))))
7511 (gnus-summary-goto-article article)
7512 (error "No unread articles"))))
7514 (defun gnus-summary-best-unread-subject ()
7515 "Select the unread subject with the highest score."
7517 (let ((best -1000000)
7518 (data gnus-newsgroup-data)
7521 (and (gnus-data-unread-p (car data))
7523 (gnus-summary-article-score (gnus-data-number (car data))))
7526 article (gnus-data-number (car data))))
7527 (setq data (cdr data)))
7529 (gnus-summary-goto-subject article))
7530 (gnus-summary-position-point)
7533 (defun gnus-summary-better-unread-subject ()
7534 "Select the first unread subject that has a score over the default score."
7536 (let ((data gnus-newsgroup-data)
7538 (while (and (setq article (gnus-data-number (car data)))
7539 (or (gnus-data-read-p (car data))
7540 (not (> (gnus-summary-article-score article)
7541 gnus-summary-default-score))))
7542 (setq data (cdr data)))
7544 (gnus-summary-goto-subject article))
7545 (gnus-summary-position-point)
7548 (defun gnus-summary-last-subject ()
7549 "Go to the last displayed subject line in the group."
7550 (let ((article (gnus-data-number (car (gnus-data-list t)))))
7552 (gnus-summary-goto-subject article))))
7554 (defun gnus-summary-goto-article (article &optional all-headers force)
7555 "Fetch ARTICLE (article number or Message-ID) and display it if it exists.
7556 If ALL-HEADERS is non-nil, no header lines are hidden.
7557 If FORCE, go to the article even if it isn't displayed. If FORCE
7558 is a number, it is the line the article is to be displayed on."
7562 "Article number or Message-ID: "
7563 (mapcar (lambda (number) (list (int-to-string number)))
7564 gnus-newsgroup-limit))
7568 (if (and (stringp article)
7569 (string-match "@\\|%40" article))
7570 (gnus-summary-refer-article article)
7571 (when (stringp article)
7572 (setq article (string-to-number article)))
7573 (if (gnus-summary-goto-subject article force)
7574 (gnus-summary-display-article article all-headers)
7575 (gnus-message 4 "Couldn't go to article %s" article) nil))
7576 (gnus-summary-position-point)))
7578 (defun gnus-summary-goto-last-article ()
7579 "Go to the previously read article."
7582 (when gnus-last-article
7583 (gnus-summary-goto-article gnus-last-article nil t))
7584 (gnus-summary-position-point)))
7586 (defun gnus-summary-pop-article (number)
7587 "Pop one article off the history and go to the previous.
7588 NUMBER articles will be popped off."
7591 (setq gnus-newsgroup-history
7592 (cdr (setq to (nthcdr number gnus-newsgroup-history))))
7594 (gnus-summary-goto-article (car to) nil t)
7595 (error "Article history empty")))
7596 (gnus-summary-position-point))
7598 ;; Summary commands and functions for limiting the summary buffer.
7600 (defun gnus-summary-limit-to-articles (n)
7601 "Limit the summary buffer to the next N articles.
7602 If not given a prefix, use the process marked articles instead."
7605 (let ((articles (gnus-summary-work-articles n)))
7606 (setq gnus-newsgroup-processable nil)
7607 (gnus-summary-limit articles))
7608 (gnus-summary-position-point)))
7610 (defun gnus-summary-pop-limit (&optional total)
7611 "Restore the previous limit.
7612 If given a prefix, remove all limits."
7615 (setq gnus-newsgroup-limits
7616 (list (mapcar (lambda (h) (mail-header-number h))
7617 gnus-newsgroup-headers))))
7618 (unless gnus-newsgroup-limits
7619 (error "No limit to pop"))
7621 (gnus-summary-limit nil 'pop)
7622 (gnus-summary-position-point)))
7624 (defun gnus-summary-limit-to-subject (subject &optional header not-matching)
7625 "Limit the summary buffer to articles that have subjects that match a regexp.
7626 If NOT-MATCHING, excluding articles that have subjects that match a regexp."
7628 (list (read-string (if current-prefix-arg
7629 "Exclude subject (regexp): "
7630 "Limit to subject (regexp): "))
7631 nil current-prefix-arg))
7633 (setq header "subject"))
7634 (when (not (equal "" subject))
7636 (let ((articles (gnus-summary-find-matching
7637 (or header "subject") subject 'all nil nil
7640 (error "Found no matches for \"%s\"" subject))
7641 (gnus-summary-limit articles))
7642 (gnus-summary-position-point))))
7644 (defun gnus-summary-limit-to-author (from &optional not-matching)
7645 "Limit the summary buffer to articles that have authors that match a regexp.
7646 If NOT-MATCHING, excluding articles that have authors that match a regexp."
7648 (list (read-string (if current-prefix-arg
7649 "Exclude author (regexp): "
7650 "Limit to author (regexp): "))
7651 current-prefix-arg))
7652 (gnus-summary-limit-to-subject from "from" not-matching))
7654 (defun gnus-summary-limit-to-age (age &optional younger-p)
7655 "Limit the summary buffer to articles that are older than (or equal) AGE days.
7656 If YOUNGER-P (the prefix) is non-nil, limit the summary buffer to
7657 articles that are younger than AGE days."
7659 (let ((younger current-prefix-arg)
7662 (while (not days-got)
7663 (setq days (if younger
7664 (read-string "Limit to articles younger than (in days, older when negative): ")
7666 "Limit to articles older than (in days, younger when negative): ")))
7667 (when (> (length days) 0)
7668 (setq days (read days)))
7673 (setq younger (not younger))
7674 (setq days (* days -1))))
7675 (message "Please enter a number.")
7677 (list days younger)))
7679 (let ((data gnus-newsgroup-data)
7680 (cutoff (days-to-time age))
7681 articles d date is-younger)
7682 (while (setq d (pop data))
7683 (when (and (vectorp (gnus-data-header d))
7684 (setq date (mail-header-date (gnus-data-header d))))
7685 (setq is-younger (time-less-p
7686 (time-since (condition-case ()
7693 (push (gnus-data-number d) articles))))
7694 (gnus-summary-limit (nreverse articles)))
7695 (gnus-summary-position-point)))
7697 (defun gnus-summary-limit-to-extra (header regexp &optional not-matching)
7698 "Limit the summary buffer to articles that match an 'extra' header."
7702 (gnus-completing-read-with-default
7703 (symbol-name (car gnus-extra-headers))
7704 (if current-prefix-arg
7705 "Exclude extra header:"
7706 "Limit extra header:")
7708 (cons (symbol-name x) x))
7713 (read-string (format "%s header %s (regexp): "
7714 (if current-prefix-arg "Exclude" "Limit to")
7716 current-prefix-arg)))
7717 (when (not (equal "" regexp))
7719 (let ((articles (gnus-summary-find-matching
7720 (cons 'extra header) regexp 'all nil nil
7723 (error "Found no matches for \"%s\"" regexp))
7724 (gnus-summary-limit articles))
7725 (gnus-summary-position-point))))
7727 (defun gnus-summary-limit-to-display-predicate ()
7728 "Limit the summary buffer to the predicated in the `display' group parameter."
7730 (unless gnus-newsgroup-display
7731 (error "There is no `display' group parameter"))
7733 (dolist (number gnus-newsgroup-articles)
7734 (when (funcall gnus-newsgroup-display)
7735 (push number articles)))
7736 (gnus-summary-limit articles))
7737 (gnus-summary-position-point))
7739 (defalias 'gnus-summary-delete-marked-as-read 'gnus-summary-limit-to-unread)
7741 'gnus-summary-delete-marked-as-read 'gnus-summary-limit-to-unread)
7743 (defun gnus-summary-limit-to-unread (&optional all)
7744 "Limit the summary buffer to articles that are not marked as read.
7745 If ALL is non-nil, limit strictly to unread articles."
7748 (gnus-summary-limit-to-marks (char-to-string gnus-unread-mark))
7749 (gnus-summary-limit-to-marks
7750 ;; Concat all the marks that say that an article is read and have
7752 (list gnus-del-mark gnus-read-mark gnus-ancient-mark
7753 gnus-killed-mark gnus-spam-mark gnus-kill-file-mark
7754 gnus-low-score-mark gnus-expirable-mark
7755 gnus-canceled-mark gnus-catchup-mark gnus-sparse-mark
7756 gnus-duplicate-mark gnus-souped-mark)
7759 (defun gnus-summary-limit-to-replied (&optional unreplied)
7760 "Limit the summary buffer to replied articles.
7761 If UNREPLIED (the prefix), limit to unreplied articles."
7765 (gnus-set-difference gnus-newsgroup-articles
7766 gnus-newsgroup-replied))
7767 (gnus-summary-limit gnus-newsgroup-replied))
7768 (gnus-summary-position-point))
7770 (defalias 'gnus-summary-delete-marked-with 'gnus-summary-limit-exclude-marks)
7771 (make-obsolete 'gnus-summary-delete-marked-with
7772 'gnus-summary-limit-exclude-marks)
7774 (defun gnus-summary-limit-exclude-marks (marks &optional reverse)
7775 "Exclude articles that are marked with MARKS (e.g. \"DK\").
7776 If REVERSE, limit the summary buffer to articles that are marked
7777 with MARKS. MARKS can either be a string of marks or a list of marks.
7778 Returns how many articles were removed."
7779 (interactive "sMarks: ")
7780 (gnus-summary-limit-to-marks marks t))
7782 (defun gnus-summary-limit-to-marks (marks &optional reverse)
7783 "Limit the summary buffer to articles that are marked with MARKS (e.g. \"DK\").
7784 If REVERSE (the prefix), limit the summary buffer to articles that are
7785 not marked with MARKS. MARKS can either be a string of marks or a
7787 Returns how many articles were removed."
7788 (interactive "sMarks: \nP")
7790 (let ((data gnus-newsgroup-data)
7791 (marks (if (listp marks) marks
7792 (append marks nil))) ; Transform to list.
7795 (when (if reverse (not (memq (gnus-data-mark (car data)) marks))
7796 (memq (gnus-data-mark (car data)) marks))
7797 (push (gnus-data-number (car data)) articles))
7798 (setq data (cdr data)))
7799 (gnus-summary-limit articles))
7800 (gnus-summary-position-point)))
7802 (defun gnus-summary-limit-to-score (score)
7803 "Limit to articles with score at or above SCORE."
7804 (interactive "NLimit to articles with score of at least: ")
7805 (let ((data gnus-newsgroup-data)
7808 (when (>= (gnus-summary-article-score (gnus-data-number (car data)))
7810 (push (gnus-data-number (car data)) articles))
7811 (setq data (cdr data)))
7813 (gnus-summary-limit articles)
7814 (gnus-summary-position-point))))
7816 (defun gnus-summary-limit-to-unseen ()
7817 "Limit to unseen articles."
7820 (gnus-summary-limit gnus-newsgroup-unseen)
7821 (gnus-summary-position-point)))
7823 (defun gnus-summary-limit-include-thread (id)
7824 "Display all the hidden articles that is in the thread with ID in it.
7825 When called interactively, ID is the Message-ID of the current
7827 (interactive (list (mail-header-id (gnus-summary-article-header))))
7828 (let ((articles (gnus-articles-in-thread
7829 (gnus-id-to-thread (gnus-root-id id)))))
7831 (gnus-summary-limit (nconc articles gnus-newsgroup-limit))
7832 (gnus-summary-limit-include-matching-articles
7834 (regexp-quote (gnus-simplify-subject-re
7835 (mail-header-subject (gnus-id-to-header id)))))
7836 (gnus-summary-position-point))))
7838 (defun gnus-summary-limit-include-matching-articles (header regexp)
7839 "Display all the hidden articles that have HEADERs that match REGEXP."
7840 (interactive (list (read-string "Match on header: ")
7841 (read-string "Regexp: ")))
7842 (let ((articles (gnus-find-matching-articles header regexp)))
7844 (gnus-summary-limit (nconc articles gnus-newsgroup-limit))
7845 (gnus-summary-position-point))))
7847 (defun gnus-summary-insert-dormant-articles ()
7848 "Insert all the dormant articles for this group into the current buffer."
7850 (let ((gnus-verbose (max 6 gnus-verbose)))
7851 (if (not gnus-newsgroup-dormant)
7852 (gnus-message 3 "No cached articles for this group")
7853 (gnus-summary-goto-subjects gnus-newsgroup-dormant))))
7855 (defun gnus-summary-limit-include-dormant ()
7856 "Display all the hidden articles that are marked as dormant.
7857 Note that this command only works on a subset of the articles currently
7858 fetched for this group."
7860 (unless gnus-newsgroup-dormant
7861 (error "There are no dormant articles in this group"))
7863 (gnus-summary-limit (append gnus-newsgroup-dormant gnus-newsgroup-limit))
7864 (gnus-summary-position-point)))
7866 (defun gnus-summary-limit-exclude-dormant ()
7867 "Hide all dormant articles."
7870 (gnus-summary-limit-to-marks (list gnus-dormant-mark) 'reverse)
7871 (gnus-summary-position-point)))
7873 (defun gnus-summary-limit-exclude-childless-dormant ()
7874 "Hide all dormant articles that have no children."
7876 (let ((data (gnus-data-list t))
7877 articles d children)
7878 ;; Find all articles that are either not dormant or have
7880 (while (setq d (pop data))
7881 (when (or (not (= (gnus-data-mark d) gnus-dormant-mark))
7883 (gnus-article-children (gnus-data-number d)))
7886 (when (memq (car children) articles)
7891 (push (gnus-data-number d) articles)))
7894 (gnus-summary-limit articles)
7895 (gnus-summary-position-point))))
7897 (defun gnus-summary-limit-mark-excluded-as-read (&optional all)
7898 "Mark all unread excluded articles as read.
7899 If ALL, mark even excluded ticked and dormants as read."
7901 (setq gnus-newsgroup-limit (sort gnus-newsgroup-limit '<))
7902 (let ((articles (gnus-sorted-ndifference
7904 (mapcar (lambda (h) (mail-header-number h))
7905 gnus-newsgroup-headers)
7907 gnus-newsgroup-limit))
7909 (setq gnus-newsgroup-unreads
7910 (gnus-sorted-intersection gnus-newsgroup-unreads
7911 gnus-newsgroup-limit))
7913 (setq gnus-newsgroup-dormant nil
7914 gnus-newsgroup-marked nil
7915 gnus-newsgroup-reads
7917 (mapcar (lambda (n) (cons n gnus-catchup-mark)) articles)
7918 gnus-newsgroup-reads))
7919 (while (setq article (pop articles))
7920 (unless (or (memq article gnus-newsgroup-dormant)
7921 (memq article gnus-newsgroup-marked))
7922 (push (cons article gnus-catchup-mark) gnus-newsgroup-reads))))))
7924 (defun gnus-summary-limit (articles &optional pop)
7926 ;; We pop the previous limit off the stack and use that.
7927 (setq articles (car gnus-newsgroup-limits)
7928 gnus-newsgroup-limits (cdr gnus-newsgroup-limits))
7929 ;; We use the new limit, so we push the old limit on the stack.
7930 (push gnus-newsgroup-limit gnus-newsgroup-limits))
7932 (setq gnus-newsgroup-limit articles)
7933 (let ((total (length gnus-newsgroup-data))
7934 (data (gnus-data-find-list (gnus-summary-article-number)))
7935 (gnus-summary-mark-below nil) ; Inhibit this.
7937 ;; This will do all the work of generating the new summary buffer
7938 ;; according to the new limit.
7939 (gnus-summary-prepare)
7940 ;; Hide any threads, possibly.
7941 (gnus-summary-maybe-hide-threads)
7942 ;; Try to return to the article you were at, or one in the
7945 ;; We try to find some article after the current one.
7947 (when (gnus-summary-goto-subject (gnus-data-number (car data)) nil t)
7950 (setq data (cdr data))))
7952 ;; If there is no data, that means that we were after the last
7953 ;; article. The same goes when we can't find any articles
7954 ;; after the current one.
7955 (goto-char (point-max))
7956 (gnus-summary-find-prev))
7957 (gnus-set-mode-line 'summary)
7958 ;; We return how many articles were removed from the summary
7959 ;; buffer as a result of the new limit.
7960 (- total (length gnus-newsgroup-data))))
7962 (defsubst gnus-invisible-cut-children (threads)
7965 (when (memq (mail-header-number (caar threads)) gnus-newsgroup-limit)
7970 (defsubst gnus-cut-thread (thread)
7971 "Go forwards in the thread until we find an article that we want to display."
7972 (when (or (eq gnus-fetch-old-headers 'some)
7973 (eq gnus-fetch-old-headers 'invisible)
7974 (numberp gnus-fetch-old-headers)
7975 (eq gnus-build-sparse-threads 'some)
7976 (eq gnus-build-sparse-threads 'more))
7977 ;; Deal with old-fetched headers and sparse threads.
7981 (gnus-summary-article-sparse-p (mail-header-number (car thread)))
7982 (gnus-summary-article-ancient-p
7983 (mail-header-number (car thread))))
7984 (if (or (<= (length (cdr thread)) 1)
7985 (eq gnus-fetch-old-headers 'invisible))
7986 (setq gnus-newsgroup-limit
7987 (delq (mail-header-number (car thread))
7988 gnus-newsgroup-limit)
7989 thread (cadr thread))
7990 (when (gnus-invisible-cut-children (cdr thread))
7991 (let ((th (cdr thread)))
7993 (if (memq (mail-header-number (caar th))
7994 gnus-newsgroup-limit)
7995 (setq thread (car th)
7997 (setq th (cdr th))))))))))
8000 (defun gnus-cut-threads (threads)
8001 "Cut off all uninteresting articles from the beginning of THREADS."
8002 (when (or (eq gnus-fetch-old-headers 'some)
8003 (eq gnus-fetch-old-headers 'invisible)
8004 (numberp gnus-fetch-old-headers)
8005 (eq gnus-build-sparse-threads 'some)
8006 (eq gnus-build-sparse-threads 'more))
8009 (setcar th (gnus-cut-thread (car th)))
8010 (setq th (cdr th)))))
8011 ;; Remove nixed out threads.
8014 (defun gnus-summary-initial-limit (&optional show-if-empty)
8015 "Figure out what the initial limit is supposed to be on group entry.
8016 This entails weeding out unwanted dormants, low-scored articles,
8017 fetch-old-headers verbiage, and so on."
8018 ;; Most groups have nothing to remove.
8019 (if (or gnus-inhibit-limiting
8020 (and (null gnus-newsgroup-dormant)
8021 (eq gnus-newsgroup-display 'gnus-not-ignore)
8022 (not (eq gnus-fetch-old-headers 'some))
8023 (not (numberp gnus-fetch-old-headers))
8024 (not (eq gnus-fetch-old-headers 'invisible))
8025 (null gnus-summary-expunge-below)
8026 (not (eq gnus-build-sparse-threads 'some))
8027 (not (eq gnus-build-sparse-threads 'more))
8028 (null gnus-thread-expunge-below)
8029 (not gnus-use-nocem)))
8031 (push gnus-newsgroup-limit gnus-newsgroup-limits)
8032 (setq gnus-newsgroup-limit nil)
8035 (unless (car (symbol-value node))
8036 ;; These threads have no parents -- they are roots.
8037 (let ((nodes (cdr (symbol-value node)))
8040 (if (and gnus-thread-expunge-below
8041 (< (gnus-thread-total-score (car nodes))
8042 gnus-thread-expunge-below))
8043 (gnus-expunge-thread (pop nodes))
8044 (setq thread (pop nodes))
8045 (gnus-summary-limit-children thread))))))
8046 gnus-newsgroup-dependencies)
8047 ;; If this limitation resulted in an empty group, we might
8048 ;; pop the previous limit and use it instead.
8049 (when (and (not gnus-newsgroup-limit)
8051 (setq gnus-newsgroup-limit (pop gnus-newsgroup-limits)))
8052 gnus-newsgroup-limit))
8054 (defun gnus-summary-limit-children (thread)
8055 "Return 1 if this subthread is visible and 0 if it is not."
8056 ;; First we get the number of visible children to this thread. This
8057 ;; is done by recursing down the thread using this function, so this
8058 ;; will really go down to a leaf article first, before slowly
8059 ;; working its way up towards the root.
8061 (let* ((max-lisp-eval-depth 5000)
8064 (apply '+ (mapcar 'gnus-summary-limit-children
8067 (number (mail-header-number (car thread)))
8070 (not (memq number gnus-newsgroup-marked))
8072 ;; If this article is dormant and has absolutely no visible
8073 ;; children, then this article isn't visible.
8074 (and (memq number gnus-newsgroup-dormant)
8076 ;; If this is "fetch-old-headered" and there is no
8077 ;; visible children, then we don't want this article.
8078 (and (or (eq gnus-fetch-old-headers 'some)
8079 (numberp gnus-fetch-old-headers))
8080 (gnus-summary-article-ancient-p number)
8082 ;; If this is "fetch-old-headered" and `invisible', then
8083 ;; we don't want this article.
8084 (and (eq gnus-fetch-old-headers 'invisible)
8085 (gnus-summary-article-ancient-p number))
8086 ;; If this is a sparsely inserted article with no children,
8087 ;; we don't want it.
8088 (and (eq gnus-build-sparse-threads 'some)
8089 (gnus-summary-article-sparse-p number)
8091 ;; If we use expunging, and this article is really
8092 ;; low-scored, then we don't want this article.
8093 (when (and gnus-summary-expunge-below
8095 (or (cdr (assq number gnus-newsgroup-scored))
8096 gnus-summary-default-score))
8097 gnus-summary-expunge-below))
8098 ;; We increase the expunge-tally here, but that has
8099 ;; nothing to do with the limits, really.
8100 (incf gnus-newsgroup-expunged-tally)
8101 ;; We also mark as read here, if that's wanted.
8102 (when (and gnus-summary-mark-below
8103 (< score gnus-summary-mark-below))
8104 (setq gnus-newsgroup-unreads
8105 (delq number gnus-newsgroup-unreads))
8106 (if gnus-newsgroup-auto-expire
8107 (push number gnus-newsgroup-expirable)
8108 (push (cons number gnus-low-score-mark)
8109 gnus-newsgroup-reads)))
8111 ;; Do the `display' group parameter.
8112 (and gnus-newsgroup-display
8113 (not (funcall gnus-newsgroup-display)))
8114 ;; Check NoCeM things.
8115 (when (and gnus-use-nocem
8116 (gnus-nocem-unwanted-article-p
8117 (mail-header-id (car thread))))
8118 (setq gnus-newsgroup-unreads
8119 (delq number gnus-newsgroup-unreads))
8121 ;; Nope, invisible article.
8123 ;; Ok, this article is to be visible, so we add it to the limit
8125 (push number gnus-newsgroup-limit)
8128 (defun gnus-expunge-thread (thread)
8129 "Mark all articles in THREAD as read."
8130 (let* ((number (mail-header-number (car thread))))
8131 (incf gnus-newsgroup-expunged-tally)
8132 ;; We also mark as read here, if that's wanted.
8133 (setq gnus-newsgroup-unreads
8134 (delq number gnus-newsgroup-unreads))
8135 (if gnus-newsgroup-auto-expire
8136 (push number gnus-newsgroup-expirable)
8137 (push (cons number gnus-low-score-mark)
8138 gnus-newsgroup-reads)))
8139 ;; Go recursively through all subthreads.
8140 (mapcar 'gnus-expunge-thread (cdr thread)))
8142 ;; Summary article oriented commands
8144 (defun gnus-summary-refer-parent-article (n)
8145 "Refer parent article N times.
8146 If N is negative, go to ancestor -N instead.
8147 The difference between N and the number of articles fetched is returned."
8151 (when (not (natnump n))
8156 (setq header (gnus-summary-article-header))
8157 (if (and (eq (mail-header-number header)
8158 (cdr gnus-article-current))
8159 (equal gnus-newsgroup-name
8160 (car gnus-article-current)))
8161 ;; If we try to find the parent of the currently
8162 ;; displayed article, then we take a look at the actual
8163 ;; References header, since this is slightly more
8164 ;; reliable than the References field we got from the
8167 (set-buffer gnus-original-article-buffer)
8168 (nnheader-narrow-to-headers)
8169 (unless (setq ref (message-fetch-field "references"))
8170 (when (setq ref (message-fetch-field "in-reply-to"))
8171 (setq ref (gnus-extract-message-id-from-in-reply-to ref))))
8174 ;; It's not the current article, so we take a bet on
8175 ;; the value we got from the server.
8176 (mail-header-references header)))
8178 (not (equal ref "")))
8179 (unless (gnus-summary-refer-article (gnus-parent-id ref skip))
8180 (gnus-message 1 "Couldn't find parent"))
8181 (gnus-message 1 "No references in article %d"
8182 (gnus-summary-article-number))
8185 (gnus-summary-position-point)
8188 (defun gnus-summary-refer-references ()
8189 "Fetch all articles mentioned in the References header.
8190 Return the number of articles fetched."
8192 (let ((ref (mail-header-references (gnus-summary-article-header)))
8193 (current (gnus-summary-article-number))
8197 (error "No References in the current article")
8198 ;; For each Message-ID in the References header...
8199 (while (string-match "<[^>]*>" ref)
8201 ;; ... fetch that article.
8202 (gnus-summary-refer-article
8203 (prog1 (match-string 0 ref)
8204 (setq ref (substring ref (match-end 0))))))
8205 (gnus-summary-goto-subject current)
8206 (gnus-summary-position-point)
8209 (defun gnus-summary-refer-thread (&optional limit)
8210 "Fetch all articles in the current thread.
8211 If LIMIT (the numerical prefix), fetch that many old headers instead
8212 of what's specified by the `gnus-refer-thread-limit' variable."
8214 (let ((id (mail-header-id (gnus-summary-article-header)))
8215 (limit (if limit (prefix-numeric-value limit)
8216 gnus-refer-thread-limit)))
8217 (unless (eq gnus-fetch-old-headers 'invisible)
8218 (gnus-message 5 "Fetching headers for %s..." gnus-newsgroup-name)
8219 ;; Retrieve the headers and read them in.
8220 (if (eq (if (numberp limit)
8221 (gnus-retrieve-headers
8223 (+ (mail-header-number
8224 (gnus-summary-article-header))
8226 gnus-newsgroup-end))
8227 gnus-newsgroup-name (* limit 2))
8228 ;; gnus-refer-thread-limit is t, i.e. fetch _all_
8230 (gnus-retrieve-headers (list gnus-newsgroup-end)
8231 gnus-newsgroup-name limit))
8233 (gnus-build-all-threads)
8234 (error "Can't fetch thread from back ends that don't support NOV"))
8235 (gnus-message 5 "Fetching headers for %s...done" gnus-newsgroup-name))
8236 (gnus-summary-limit-include-thread id)))
8238 (defun gnus-summary-refer-article (message-id)
8239 "Fetch an article specified by MESSAGE-ID."
8240 (interactive "sMessage-ID: ")
8241 (when (and (stringp message-id)
8242 (not (zerop (length message-id))))
8243 (setq message-id (gnus-replace-in-string message-id " " ""))
8244 ;; Construct the correct Message-ID if necessary.
8245 ;; Suggested by tale@pawl.rpi.edu.
8246 (unless (string-match "^<" message-id)
8247 (setq message-id (concat "<" message-id)))
8248 (unless (string-match ">$" message-id)
8249 (setq message-id (concat message-id ">")))
8250 ;; People often post MIDs from URLs, so unhex it:
8251 (unless (string-match "@" message-id)
8252 (setq message-id (gnus-url-unhex-string message-id)))
8253 (let* ((header (gnus-id-to-header message-id))
8255 (gnus-summary-article-sparse-p
8256 (mail-header-number header))
8257 (memq (mail-header-number header)
8258 gnus-newsgroup-limit)))
8261 ;; If the article is present in the buffer we just go to it.
8263 (or (not (gnus-summary-article-sparse-p
8264 (mail-header-number header)))
8267 (gnus-summary-goto-article
8268 (mail-header-number header) nil t)
8270 (gnus-summary-update-article (mail-header-number header)))))
8272 ;; We fetch the article.
8274 (dolist (gnus-override-method (gnus-refer-article-methods))
8275 (when (and (gnus-check-server gnus-override-method)
8276 ;; Fetch the header,
8277 (setq number (gnus-summary-insert-subject message-id)))
8278 ;; and display the article.
8279 (gnus-summary-select-article nil nil nil number)
8281 (gnus-message 3 "Couldn't fetch article %s" message-id)))))))
8283 (defun gnus-refer-article-methods ()
8284 "Return a list of referable methods."
8286 ;; No method, so we default to current and native.
8287 ((null gnus-refer-article-method)
8288 (list gnus-current-select-method gnus-select-method))
8290 ((eq 'current gnus-refer-article-method)
8291 (list gnus-current-select-method))
8292 ;; List of select methods.
8293 ((not (and (symbolp (car gnus-refer-article-method))
8294 (assq (car gnus-refer-article-method) nnoo-definition-alist)))
8296 (dolist (method gnus-refer-article-method)
8297 (push (if (eq 'current method)
8298 gnus-current-select-method
8302 ;; One single select method.
8304 (list gnus-refer-article-method))))
8306 (defun gnus-summary-edit-parameters ()
8307 "Edit the group parameters of the current group."
8309 (gnus-group-edit-group gnus-newsgroup-name 'params))
8311 (defun gnus-summary-customize-parameters ()
8312 "Customize the group parameters of the current group."
8314 (gnus-group-customize gnus-newsgroup-name))
8316 (defun gnus-summary-enter-digest-group (&optional force)
8317 "Enter an nndoc group based on the current article.
8318 If FORCE, force a digest interpretation. If not, try
8319 to guess what the document format is."
8321 (let ((conf gnus-current-window-configuration))
8322 (save-window-excursion
8324 (let (gnus-article-prepare-hook
8325 gnus-display-mime-function
8327 (gnus-summary-select-article))))
8328 (setq gnus-current-window-configuration conf)
8329 (let* ((name (format "%s-%d"
8330 (gnus-group-prefixed-name
8331 gnus-newsgroup-name (list 'nndoc ""))
8332 (with-current-buffer gnus-summary-buffer
8333 gnus-current-article)))
8334 (ogroup gnus-newsgroup-name)
8335 (params (append (gnus-info-params (gnus-get-info ogroup))
8336 (list (cons 'to-group ogroup))
8337 (list (cons 'parent-group ogroup))
8338 (list (cons 'save-article-group ogroup))))
8339 (case-fold-search t)
8340 (buf (current-buffer))
8343 (set-buffer gnus-original-article-buffer)
8344 ;; Have the digest group inherit the main mail address of
8345 ;; the parent article.
8346 (when (setq to-address (or (gnus-fetch-field "reply-to")
8347 (gnus-fetch-field "from")))
8348 (setq params (append
8349 (list (cons 'to-address
8350 (funcall gnus-decode-encoded-word-function
8352 (setq dig (nnheader-set-temp-buffer " *gnus digest buffer*"))
8353 (insert-buffer-substring gnus-original-article-buffer)
8354 ;; Remove lines that may lead nndoc to misinterpret the
8357 (goto-char (point-min))
8358 (or (search-forward "\n\n" nil t) (point)))
8359 (goto-char (point-min))
8360 (delete-matching-lines "^Path:\\|^From ")
8363 (if (let ((gnus-newsgroup-ephemeral-charset gnus-newsgroup-charset)
8364 (gnus-newsgroup-ephemeral-ignored-charsets
8365 gnus-newsgroup-ignored-charsets))
8366 (gnus-group-read-ephemeral-group
8367 name `(nndoc ,name (nndoc-address ,(get-buffer dig))
8369 ,(if force 'mbox 'guess)))
8371 `((adapt-file . ,(gnus-score-file-name gnus-newsgroup-name
8373 ;; Make all postings to this group go to the parent group.
8374 (nconc (gnus-info-params (gnus-get-info name))
8376 ;; Couldn't select this doc group.
8377 (switch-to-buffer buf)
8378 (gnus-set-global-variables)
8379 (gnus-configure-windows 'summary)
8380 (gnus-message 3 "Article couldn't be entered?"))
8381 (kill-buffer dig)))))
8383 (defun gnus-summary-read-document (n)
8384 "Open a new group based on the current article(s).
8385 This will allow you to read digests and other similar
8386 documents as newsgroups.
8387 Obeys the standard process/prefix convention."
8389 (let* ((articles (gnus-summary-work-articles n))
8390 (ogroup gnus-newsgroup-name)
8391 (params (append (gnus-info-params (gnus-get-info ogroup))
8392 (list (cons 'to-group ogroup))))
8393 article group egroup groups vgroup)
8394 (while (setq article (pop articles))
8395 (setq group (format "%s-%d" gnus-newsgroup-name article))
8396 (gnus-summary-remove-process-mark article)
8397 (when (gnus-summary-display-article article)
8400 (insert-buffer-substring gnus-original-article-buffer)
8401 ;; Remove some headers that may lead nndoc to make
8403 (message-narrow-to-head)
8404 (goto-char (point-min))
8405 (delete-matching-lines "^Path:\\|^From ")
8408 (gnus-group-read-ephemeral-group
8409 group `(nndoc ,group (nndoc-address ,(current-buffer))
8410 (nndoc-article-type guess))
8413 ;; Make all postings to this group go to the parent group.
8414 (nconc (gnus-info-params (gnus-get-info egroup))
8416 (push egroup groups))
8417 ;; Couldn't select this doc group.
8418 (gnus-error 3 "Article couldn't be entered"))))))
8419 ;; Now we have selected all the documents.
8422 (error "None of the articles could be interpreted as documents"))
8423 ((gnus-group-read-ephemeral-group
8424 (setq vgroup (format
8425 "nnvirtual:%s-%s" gnus-newsgroup-name
8426 (format-time-string "%Y%m%dT%H%M%S" (current-time))))
8427 `(nnvirtual ,vgroup (nnvirtual-component-groups ,groups))
8429 (cons (current-buffer) 'summary)))
8431 (error "Couldn't select virtual nndoc group")))))
8433 (defun gnus-summary-isearch-article (&optional regexp-p)
8434 "Do incremental search forward on the current article.
8435 If REGEXP-P (the prefix) is non-nil, do regexp isearch."
8437 (gnus-summary-select-article)
8438 (gnus-configure-windows 'article)
8439 (gnus-eval-in-buffer-window gnus-article-buffer
8442 (isearch-forward regexp-p))))
8444 (defun gnus-summary-search-article-forward (regexp &optional backward)
8445 "Search for an article containing REGEXP forward.
8446 If BACKWARD, search backward instead."
8449 (format "Search article %s (regexp%s): "
8450 (if current-prefix-arg "backward" "forward")
8451 (if gnus-last-search-regexp
8452 (concat ", default " gnus-last-search-regexp)
8454 current-prefix-arg))
8455 (if (string-equal regexp "")
8456 (setq regexp (or gnus-last-search-regexp ""))
8457 (setq gnus-last-search-regexp regexp)
8458 (setq gnus-article-before-search gnus-current-article))
8459 ;; Intentionally set gnus-last-article.
8460 (setq gnus-last-article gnus-article-before-search)
8461 (let ((gnus-last-article gnus-last-article))
8462 (if (gnus-summary-search-article regexp backward)
8463 (gnus-summary-show-thread)
8464 (signal 'search-failed (list regexp)))))
8466 (defun gnus-summary-search-article-backward (regexp)
8467 "Search for an article containing REGEXP backward."
8470 (format "Search article backward (regexp%s): "
8471 (if gnus-last-search-regexp
8472 (concat ", default " gnus-last-search-regexp)
8474 (gnus-summary-search-article-forward regexp 'backward))
8476 (defun gnus-summary-search-article (regexp &optional backward)
8477 "Search for an article containing REGEXP.
8478 Optional argument BACKWARD means do search for backward.
8479 `gnus-select-article-hook' is not called during the search."
8480 ;; We have to require this here to make sure that the following
8481 ;; dynamic binding isn't shadowed by autoloading.
8482 (require 'gnus-async)
8484 (let ((gnus-select-article-hook nil) ;Disable hook.
8485 (gnus-article-prepare-hook nil)
8486 (gnus-mark-article-hook nil) ;Inhibit marking as read.
8487 (gnus-use-article-prefetch nil)
8488 (gnus-xmas-force-redisplay nil) ;Inhibit XEmacs redisplay.
8489 (gnus-use-trees nil) ;Inhibit updating tree buffer.
8491 (gnus-keep-backlog nil)
8492 (gnus-break-pages nil)
8493 (gnus-summary-display-arrow nil)
8494 (gnus-updated-mode-lines nil)
8495 (gnus-auto-center-summary nil)
8496 (sum (current-buffer))
8497 (gnus-display-mime-function nil)
8500 (gnus-save-hidden-threads
8501 (gnus-summary-select-article)
8502 (set-buffer gnus-article-buffer)
8503 (goto-char (window-point (get-buffer-window (current-buffer))))
8507 (gnus-message 7 "Searching article: %d..." (cdr gnus-article-current))
8509 (re-search-backward regexp nil t)
8510 (re-search-forward regexp nil t))
8511 ;; We found the regexp.
8516 (get-buffer-window (current-buffer))
8520 (get-buffer-window (current-buffer))
8523 (setq point (point)))
8524 ;; We didn't find it, so we go to the next article.
8527 (while (eq found 'not)
8528 (if (not (if backward (gnus-summary-find-prev)
8529 (gnus-summary-find-next)))
8530 ;; No more articles.
8532 ;; Select the next article and adjust point.
8533 (unless (gnus-summary-article-sparse-p
8534 (gnus-summary-article-number))
8536 (gnus-summary-select-article)
8537 (set-buffer gnus-article-buffer)
8539 (goto-char (if backward (point-max) (point-min))))))))
8540 (gnus-message 7 ""))
8541 ;; Return whether we found the regexp.
8542 (when (eq found 'found)
8544 (gnus-summary-show-thread)
8545 (gnus-summary-goto-subject gnus-current-article)
8546 (gnus-summary-position-point)
8549 (defun gnus-find-matching-articles (header regexp)
8550 "Return a list of all articles that match REGEXP on HEADER.
8551 This search includes all articles in the current group that Gnus has
8552 fetched headers for, whether they are displayed or not."
8553 (let ((articles nil)
8554 (func `(lambda (h) (,(intern (concat "mail-header-" header)) h)))
8555 (case-fold-search t))
8556 (dolist (header gnus-newsgroup-headers)
8557 (when (string-match regexp (funcall func header))
8558 (push (mail-header-number header) articles)))
8559 (nreverse articles)))
8561 (defun gnus-summary-find-matching (header regexp &optional backward unread
8562 not-case-fold not-matching)
8563 "Return a list of all articles that match REGEXP on HEADER.
8564 The search stars on the current article and goes forwards unless
8565 BACKWARD is non-nil. If BACKWARD is `all', do all articles.
8566 If UNREAD is non-nil, only unread articles will
8567 be taken into consideration. If NOT-CASE-FOLD, case won't be folded
8568 in the comparisons. If NOT-MATCHING, return a list of all articles that
8569 not match REGEXP on HEADER."
8570 (let ((case-fold-search (not not-case-fold))
8573 (if (eq (car header) 'extra)
8576 (or (cdr (assq ',(cdr header) (mail-header-extra h)))
8578 (error "%s is an invalid header" header))
8579 (unless (fboundp (intern (concat "mail-header-" header)))
8580 (error "%s is not a valid header" header))
8581 (setq func `(lambda (h) (,(intern (concat "mail-header-" header)) h))))
8582 (dolist (d (if (eq backward 'all)
8584 (gnus-data-find-list
8585 (gnus-summary-article-number)
8586 (gnus-data-list backward))))
8587 (when (and (or (not unread) ; We want all articles...
8588 (gnus-data-unread-p d)) ; Or just unreads.
8589 (vectorp (gnus-data-header d)) ; It's not a pseudo.
8593 (funcall func (gnus-data-header d))))
8594 (string-match regexp
8595 (funcall func (gnus-data-header d)))))
8596 (push (gnus-data-number d) articles))) ; Success!
8597 (nreverse articles)))
8599 (defun gnus-summary-execute-command (header regexp command &optional backward)
8600 "Search forward for an article whose HEADER matches REGEXP and execute COMMAND.
8601 If HEADER is an empty string (or nil), the match is done on the entire
8602 article. If BACKWARD (the prefix) is non-nil, search backward instead."
8604 (list (let ((completion-ignore-case t))
8607 (mapcar (lambda (header) (list (format "%s" header)))
8609 '("Number" "Subject" "From" "Lines" "Date"
8610 "Message-ID" "Xref" "References" "Body")
8611 gnus-extra-headers))
8612 nil 'require-match))
8613 (read-string "Regexp: ")
8614 (read-key-sequence "Command: ")
8615 current-prefix-arg))
8616 (when (equal header "Body")
8618 ;; Hidden thread subtrees must be searched as well.
8619 (gnus-summary-show-all-threads)
8620 ;; We don't want to change current point nor window configuration.
8622 (save-window-excursion
8624 gnus-treat-strip-trailing-blank-lines
8625 gnus-treat-strip-leading-blank-lines
8626 gnus-treat-strip-multiple-blank-lines
8627 gnus-treat-hide-boring-headers
8628 gnus-treat-fold-newsgroups
8629 gnus-article-prepare-hook)
8630 (gnus-message 6 "Executing %s..." (key-description command))
8631 ;; We'd like to execute COMMAND interactively so as to give arguments.
8632 (gnus-execute header regexp
8633 `(call-interactively ',(key-binding command))
8635 (gnus-message 6 "Executing %s...done" (key-description command))))))
8637 (defun gnus-summary-beginning-of-article ()
8638 "Scroll the article back to the beginning."
8640 (gnus-summary-select-article)
8641 (gnus-configure-windows 'article)
8642 (gnus-eval-in-buffer-window gnus-article-buffer
8644 (goto-char (point-min))
8645 (when gnus-break-pages
8646 (gnus-narrow-to-page))))
8648 (defun gnus-summary-end-of-article ()
8649 "Scroll to the end of the article."
8651 (gnus-summary-select-article)
8652 (gnus-configure-windows 'article)
8653 (gnus-eval-in-buffer-window gnus-article-buffer
8655 (goto-char (point-max))
8657 (when gnus-break-pages
8658 (when (re-search-backward page-delimiter nil t)
8659 (narrow-to-region (match-end 0) (point-max)))
8660 (gnus-narrow-to-page))))
8662 (defun gnus-summary-print-truncate-and-quote (string &optional len)
8663 "Truncate to LEN and quote all \"(\"'s in STRING."
8664 (gnus-replace-in-string (if (and len (> (length string) len))
8665 (substring string 0 len)
8669 (defun gnus-summary-print-article (&optional filename n)
8670 "Generate and print a PostScript image of the process-marked (mail) articles.
8672 If used interactively, print the current article if none are
8673 process-marked. With prefix arg, prompt the user for the name of the
8676 When used from Lisp, accept two optional args FILENAME and N. N means
8677 to print the next N articles. If N is negative, print the N previous
8678 articles. If N is nil and articles have been marked with the process
8679 mark, print these instead.
8681 If the optional first argument FILENAME is nil, send the image to the
8682 printer. If FILENAME is a string, save the PostScript image in a file with
8683 that name. If FILENAME is a number, prompt the user for the name of the file
8685 (interactive (list (ps-print-preprint current-prefix-arg)))
8686 (dolist (article (gnus-summary-work-articles n))
8687 (gnus-summary-select-article nil nil 'pseudo article)
8688 (gnus-eval-in-buffer-window gnus-article-buffer
8689 (gnus-print-buffer))
8690 (gnus-summary-remove-process-mark article))
8691 (ps-despool filename))
8693 (defun gnus-print-buffer ()
8694 (let ((buffer (generate-new-buffer " *print*")))
8697 (copy-to-buffer buffer (point-min) (point-max))
8699 (gnus-remove-text-with-property 'gnus-decoration)
8700 (when (gnus-visual-p 'article-highlight 'highlight)
8701 ;; Copy-to-buffer doesn't copy overlay. So redo
8703 (let ((gnus-article-buffer buffer))
8704 (gnus-article-highlight-citation t)
8705 (gnus-article-highlight-signature)
8706 (gnus-article-emphasize)
8707 (gnus-article-delete-invisible-text)))
8708 (let ((ps-left-header
8711 (gnus-summary-print-truncate-and-quote
8712 (mail-header-subject gnus-current-headers)
8715 (gnus-summary-print-truncate-and-quote
8716 (mail-header-from gnus-current-headers)
8720 "/pagenumberstring load"
8722 (mail-header-date gnus-current-headers) ")"))))
8723 (gnus-run-hooks 'gnus-ps-print-hook)
8726 (ps-spool-buffer-with-faces)
8727 (ps-spool-buffer)))))
8728 (kill-buffer buffer))))
8730 (defun gnus-summary-show-article (&optional arg)
8731 "Force redisplaying of the current article.
8732 If ARG (the prefix) is a number, show the article with the charset
8733 defined in `gnus-summary-show-article-charset-alist', or the charset
8735 If ARG (the prefix) is non-nil and not a number, show the raw article
8736 without any article massaging functions being run. Normally, the key
8737 strokes are `C-u g'."
8741 (gnus-summary-show-article t)
8742 (let ((gnus-newsgroup-charset
8743 (or (cdr (assq arg gnus-summary-show-article-charset-alist))
8744 (mm-read-coding-system
8745 "View as charset: " ;; actually it is coding system.
8747 (set-buffer gnus-article-buffer)
8748 (mm-detect-coding-region (point) (point-max))))))
8749 (gnus-newsgroup-ignored-charsets 'gnus-all))
8750 (gnus-summary-select-article nil 'force)
8751 (let ((deps gnus-newsgroup-dependencies)
8754 (set-buffer gnus-original-article-buffer)
8756 (message-narrow-to-head)
8757 (setq head (buffer-string))
8758 (goto-char (point-min))
8759 (unless (re-search-forward "^lines:[ \t]\\([0-9]+\\)" nil t)
8760 (goto-char (point-max))
8762 (setq lines (1- (count-lines (point) (point-max))))))
8764 (insert (format "211 %d Article retrieved.\n"
8765 (cdr gnus-article-current)))
8767 (if lines (insert (format "Lines: %d\n" lines)))
8769 (let ((nntp-server-buffer (current-buffer)))
8770 (setq header (car (gnus-get-newsgroup-headers deps t))))))
8771 (gnus-data-set-header
8772 (gnus-data-find (cdr gnus-article-current))
8774 (gnus-summary-update-article-line
8775 (cdr gnus-article-current) header)
8776 (when (gnus-summary-goto-subject (cdr gnus-article-current) nil t)
8777 (gnus-summary-update-secondary-mark (cdr gnus-article-current))))))
8779 ;; Select the article the normal way.
8780 (gnus-summary-select-article nil 'force))
8782 ;; We have to require this here to make sure that the following
8783 ;; dynamic binding isn't shadowed by autoloading.
8784 (require 'gnus-async)
8786 ;; Bind the article treatment functions to nil.
8787 (let ((gnus-have-all-headers t)
8788 gnus-article-prepare-hook
8789 gnus-article-decode-hook
8790 gnus-display-mime-function
8792 ;; Destroy any MIME parts.
8793 (when (gnus-buffer-live-p gnus-article-buffer)
8795 (set-buffer gnus-article-buffer)
8796 (mm-destroy-parts gnus-article-mime-handles)
8797 ;; Set it to nil for safety reason.
8798 (setq gnus-article-mime-handle-alist nil)
8799 (setq gnus-article-mime-handles nil)))
8800 (gnus-summary-select-article nil 'force))))
8801 (gnus-summary-goto-subject gnus-current-article)
8802 (gnus-summary-position-point))
8804 (defun gnus-summary-show-raw-article ()
8805 "Show the raw article without any article massaging functions being run."
8807 (gnus-summary-show-article t))
8809 (defun gnus-summary-verbose-headers (&optional arg)
8810 "Toggle permanent full header display.
8811 If ARG is a positive number, turn header display on.
8812 If ARG is a negative number, turn header display off."
8814 (setq gnus-show-all-headers
8815 (cond ((or (not (numberp arg))
8817 (not gnus-show-all-headers))
8820 (gnus-summary-show-article))
8822 (defun gnus-summary-toggle-header (&optional arg)
8823 "Show the headers if they are hidden, or hide them if they are shown.
8824 If ARG is a positive number, show the entire header.
8825 If ARG is a negative number, hide the unwanted header lines."
8827 (let ((window (and (gnus-buffer-live-p gnus-article-buffer)
8828 (get-buffer-window gnus-article-buffer t))))
8829 (with-current-buffer gnus-article-buffer
8831 (article-narrow-to-head)
8832 (let* ((buffer-read-only nil)
8833 (inhibit-point-motion-hooks t)
8834 (hidden (if (numberp arg)
8836 (gnus-article-hidden-text-p 'headers)))
8838 (delete-region (point-min) (point-max))
8839 (with-current-buffer gnus-original-article-buffer
8840 (goto-char (setq s (point-min)))
8841 (setq e (if (search-forward "\n\n" nil t)
8844 (insert-buffer-substring gnus-original-article-buffer s e)
8845 (run-hooks 'gnus-article-decode-hook)
8847 (let ((gnus-treat-hide-headers nil)
8848 (gnus-treat-hide-boring-headers nil))
8849 (gnus-delete-wash-type 'headers)
8850 (gnus-treat-article 'head))
8851 (gnus-treat-article 'head))
8854 (set-window-start window (goto-char (point-min))))
8855 (if gnus-break-pages
8856 (gnus-narrow-to-page)
8857 (when (gnus-visual-p 'page-marker)
8858 (let ((buffer-read-only nil))
8859 (gnus-remove-text-with-property 'gnus-prev)
8860 (gnus-remove-text-with-property 'gnus-next))))
8861 (gnus-set-mode-line 'article)))))
8863 (defun gnus-summary-show-all-headers ()
8864 "Make all header lines visible."
8866 (gnus-summary-toggle-header 1))
8868 (defun gnus-summary-caesar-message (&optional arg)
8869 "Caesar rotate the current article by 13.
8870 The numerical prefix specifies how many places to rotate each letter
8873 (gnus-summary-select-article)
8874 (let ((mail-header-separator ""))
8875 (gnus-eval-in-buffer-window gnus-article-buffer
8878 (let ((start (window-start))
8880 (message-caesar-buffer-body arg)
8881 (set-window-start (get-buffer-window (current-buffer)) start))))))
8883 (autoload 'unmorse-region "morse"
8884 "Convert morse coded text in region to ordinary ASCII text."
8887 (defun gnus-summary-morse-message (&optional arg)
8888 "Morse decode the current article."
8890 (gnus-summary-select-article)
8891 (let ((mail-header-separator ""))
8892 (gnus-eval-in-buffer-window gnus-article-buffer
8896 (let ((pos (window-start))
8898 (goto-char (point-min))
8899 (when (message-goto-body)
8900 (gnus-narrow-to-body))
8901 (goto-char (point-min))
8902 (while (search-forward "·" (point-max) t)
8903 (replace-match "."))
8904 (unmorse-region (point-min) (point-max))
8906 (set-window-start (get-buffer-window (current-buffer)) pos)))))))
8908 (defun gnus-summary-stop-page-breaking ()
8909 "Stop page breaking in the current article."
8911 (gnus-summary-select-article)
8912 (gnus-eval-in-buffer-window gnus-article-buffer
8914 (when (gnus-visual-p 'page-marker)
8915 (let ((buffer-read-only nil))
8916 (gnus-remove-text-with-property 'gnus-prev)
8917 (gnus-remove-text-with-property 'gnus-next))
8918 (setq gnus-page-broken nil))))
8920 (defun gnus-summary-move-article (&optional n to-newsgroup
8921 select-method action)
8922 "Move the current article to a different newsgroup.
8923 If N is a positive number, move the N next articles.
8924 If N is a negative number, move the N previous articles.
8925 If N is nil and any articles have been marked with the process mark,
8926 move those articles instead.
8927 If TO-NEWSGROUP is string, do not prompt for a newsgroup to move to.
8928 If SELECT-METHOD is non-nil, do not move to a specific newsgroup, but
8929 re-spool using this method.
8931 When called interactively with TO-NEWSGROUP being nil, the value of
8932 the variable `gnus-move-split-methods' is used for finding a default
8933 for the target newsgroup.
8935 For this function to work, both the current newsgroup and the
8936 newsgroup that you want to move to have to support the `request-move'
8937 and `request-accept' functions.
8939 ACTION can be either `move' (the default), `crosspost' or `copy'."
8942 (setq action 'move))
8943 ;; Check whether the source group supports the required functions.
8944 (cond ((and (eq action 'move)
8945 (not (gnus-check-backend-function
8946 'request-move-article gnus-newsgroup-name)))
8947 (error "The current group does not support article moving"))
8948 ((and (eq action 'crosspost)
8949 (not (gnus-check-backend-function
8950 'request-replace-article gnus-newsgroup-name)))
8951 (error "The current group does not support article editing")))
8952 (let ((articles (gnus-summary-work-articles n))
8953 (prefix (if (gnus-check-backend-function
8954 'request-move-article gnus-newsgroup-name)
8955 (funcall gnus-move-group-prefix-function
8956 gnus-newsgroup-name)
8958 (names '((move "Move" "Moving")
8959 (copy "Copy" "Copying")
8960 (crosspost "Crosspost" "Crossposting")))
8961 (copy-buf (save-excursion
8962 (nnheader-set-temp-buffer " *copy article*")))
8963 art-group to-method new-xref article to-groups)
8964 (unless (assq action names)
8965 (error "Unknown action %s" action))
8966 ;; Read the newsgroup name.
8967 (when (and (not to-newsgroup)
8968 (not select-method))
8969 (if (and gnus-move-split-methods
8971 (and (memq gnus-current-article articles)
8972 (gnus-buffer-live-p gnus-original-article-buffer))))
8973 ;; When `gnus-move-split-methods' is non-nil, we have to
8974 ;; select an article to give `gnus-read-move-group-name' an
8975 ;; opportunity to suggest an appropriate default. However,
8976 ;; we needn't render or mark the article.
8977 (let ((gnus-display-mime-function nil)
8978 (gnus-article-prepare-hook nil)
8979 (gnus-mark-article-hook nil))
8980 (gnus-summary-select-article nil nil nil (car articles))))
8982 (gnus-read-move-group-name
8983 (cadr (assq action names))
8984 (symbol-value (intern (format "gnus-current-%s-group" action)))
8986 (set (intern (format "gnus-current-%s-group" action)) to-newsgroup))
8987 (setq to-method (or select-method
8988 (gnus-server-to-method
8989 (gnus-group-method to-newsgroup))))
8990 ;; Check the method we are to move this article to...
8991 (unless (gnus-check-backend-function
8992 'request-accept-article (car to-method))
8993 (error "%s does not support article copying" (car to-method)))
8994 (unless (gnus-check-server to-method)
8995 (error "Can't open server %s" (car to-method)))
8996 (gnus-message 6 "%s to %s: %s..."
8997 (caddr (assq action names))
8998 (or (car select-method) to-newsgroup) articles)
9000 (setq article (pop articles))
9004 ;; Move the article.
9006 ;; Remove this article from future suppression.
9007 (gnus-dup-unsuppress-article article)
9008 (gnus-request-move-article
9009 article ; Article to move
9010 gnus-newsgroup-name ; From newsgroup
9011 (nth 1 (gnus-find-method-for-group
9012 gnus-newsgroup-name)) ; Server
9013 (list 'gnus-request-accept-article
9014 to-newsgroup (list 'quote select-method)
9015 (not articles) t) ; Accept form
9016 (not articles))) ; Only save nov last time
9017 ;; Copy the article.
9020 (set-buffer copy-buf)
9021 (when (gnus-request-article-this-buffer article gnus-newsgroup-name)
9022 (gnus-request-accept-article
9023 to-newsgroup select-method (not articles) t))))
9024 ;; Crosspost the article.
9025 ((eq action 'crosspost)
9026 (let ((xref (message-tokenize-header
9027 (mail-header-xref (gnus-summary-article-header article))
9029 (setq new-xref (concat (gnus-group-real-name gnus-newsgroup-name)
9030 ":" (number-to-string article)))
9032 (setq xref (list (system-name))))
9035 (mapconcat 'identity
9036 (delete "Xref:" (delete new-xref xref))
9040 (set-buffer copy-buf)
9041 ;; First put the article in the destination group.
9042 (gnus-request-article-this-buffer article gnus-newsgroup-name)
9043 (when (consp (setq art-group
9044 (gnus-request-accept-article
9045 to-newsgroup select-method (not articles))))
9046 (setq new-xref (concat new-xref " " (car art-group)
9048 (number-to-string (cdr art-group))))
9049 ;; Now we have the new Xrefs header, so we insert
9050 ;; it and replace the new article.
9051 (nnheader-replace-header "Xref" new-xref)
9052 (gnus-request-replace-article
9053 (cdr art-group) to-newsgroup (current-buffer))
9057 (gnus-message 1 "Couldn't %s article %s: %s"
9058 (cadr (assq action names)) article
9059 (nnheader-get-report (car to-method))))
9060 ((eq art-group 'junk)
9061 (when (eq action 'move)
9062 (gnus-summary-mark-article article gnus-canceled-mark)
9063 (gnus-message 4 "Deleted article %s" article)
9064 ;; run the delete hook
9065 (run-hook-with-args 'gnus-summary-article-delete-hook
9068 (assoc article (gnus-data-list nil)))
9069 gnus-newsgroup-name nil
9072 (let* ((pto-group (gnus-group-prefixed-name
9073 (car art-group) to-method))
9074 (info (gnus-get-info pto-group))
9075 (to-group (gnus-info-group info))
9077 ;; Update the group that has been moved to.
9079 (memq action '(move copy)))
9080 (unless (member to-group to-groups)
9081 (push to-group to-groups))
9083 (unless (memq article gnus-newsgroup-unreads)
9084 (push 'read to-marks)
9086 info (gnus-add-to-range (gnus-info-read info)
9087 (list (cdr art-group)))))
9089 ;; See whether the article is to be put in the cache.
9090 (let ((marks (if (gnus-group-auto-expirable-p to-group)
9091 gnus-article-mark-lists
9092 (delete '(expirable . expire)
9093 (copy-sequence gnus-article-mark-lists))))
9094 (to-article (cdr art-group)))
9096 ;; Enter the article into the cache in the new group,
9097 ;; if that is required.
9098 (when gnus-use-cache
9099 (gnus-cache-possibly-enter-article
9101 (memq article gnus-newsgroup-marked)
9102 (memq article gnus-newsgroup-dormant)
9103 (memq article gnus-newsgroup-unreads)))
9105 (when gnus-preserve-marks
9106 ;; Copy any marks over to the new group.
9107 (when (and (equal to-group gnus-newsgroup-name)
9108 (not (memq article gnus-newsgroup-unreads)))
9109 ;; Mark this article as read in this group.
9110 (push (cons to-article gnus-read-mark) gnus-newsgroup-reads)
9111 (setcdr (gnus-active to-group) to-article)
9112 (setcdr gnus-newsgroup-active to-article))
9115 (when (eq (gnus-article-mark-to-type (cdar marks)) 'list)
9116 (when (memq article (symbol-value
9117 (intern (format "gnus-newsgroup-%s"
9119 (push (cdar marks) to-marks)
9120 ;; If the other group is the same as this group,
9121 ;; then we have to add the mark to the list.
9122 (when (equal to-group gnus-newsgroup-name)
9123 (set (intern (format "gnus-newsgroup-%s" (caar marks)))
9126 (intern (format "gnus-newsgroup-%s"
9128 ;; Copy the marks to other group.
9129 (gnus-add-marked-articles
9130 to-group (cdar marks) (list to-article) info)))
9131 (setq marks (cdr marks)))
9133 (gnus-request-set-mark
9134 to-group (list (list (list to-article) 'add to-marks))))
9137 (concat "(gnus-group-set-info '"
9138 (gnus-prin1-to-string (gnus-get-info to-group))
9141 ;; Update the Xref header in this article to point to
9142 ;; the new crossposted article we have just created.
9143 (when (eq action 'crosspost)
9145 (set-buffer copy-buf)
9146 (gnus-request-article-this-buffer article gnus-newsgroup-name)
9147 (nnheader-replace-header "Xref" new-xref)
9148 (gnus-request-replace-article
9149 article gnus-newsgroup-name (current-buffer))))
9151 ;; run the move/copy/crosspost/respool hook
9152 (run-hook-with-args 'gnus-summary-article-move-hook
9155 (assoc article (gnus-data-list nil)))
9160 ;;;!!!Why is this necessary?
9161 (set-buffer gnus-summary-buffer)
9163 (gnus-summary-goto-subject article)
9164 (when (eq action 'move)
9165 (gnus-summary-mark-article article gnus-canceled-mark))))
9166 (gnus-summary-remove-process-mark article))
9167 ;; Re-activate all groups that have been moved to.
9169 (set-buffer gnus-group-buffer)
9170 (let ((gnus-group-marked to-groups))
9171 (gnus-group-get-new-news-this-group nil t)))
9173 (gnus-kill-buffer copy-buf)
9174 (gnus-summary-position-point)
9175 (gnus-set-mode-line 'summary)))
9177 (defun gnus-summary-copy-article (&optional n to-newsgroup select-method)
9178 "Copy the current article to some other group.
9179 If TO-NEWSGROUP is string, do not prompt for a newsgroup to copy to.
9180 When called interactively, if TO-NEWSGROUP is nil, use the value of
9181 the variable `gnus-move-split-methods' for finding a default target
9183 If SELECT-METHOD is non-nil, do not move to a specific newsgroup, but
9184 re-spool using this method."
9186 (gnus-summary-move-article n to-newsgroup select-method 'copy))
9188 (defun gnus-summary-crosspost-article (&optional n)
9189 "Crosspost the current article to some other group."
9191 (gnus-summary-move-article n nil nil 'crosspost))
9193 (defcustom gnus-summary-respool-default-method nil
9194 "Default method type for respooling an article.
9195 If nil, use to the current newsgroup method."
9197 :group 'gnus-summary-mail)
9199 (defcustom gnus-summary-display-while-building nil
9200 "If non-nil, show and update the summary buffer as it's being built.
9201 If the value is t, update the buffer after every line is inserted. If
9202 the value is an integer (N), update the display every N lines."
9204 :type '(choice (const :tag "off" nil)
9206 (const :tag "frequently" t)))
9208 (defun gnus-summary-respool-article (&optional n method)
9209 "Respool the current article.
9210 The article will be squeezed through the mail spooling process again,
9211 which means that it will be put in some mail newsgroup or other
9212 depending on `nnmail-split-methods'.
9213 If N is a positive number, respool the N next articles.
9214 If N is a negative number, respool the N previous articles.
9215 If N is nil and any articles have been marked with the process mark,
9216 respool those articles instead.
9218 Respooling can be done both from mail groups and \"real\" newsgroups.
9219 In the former case, the articles in question will be moved from the
9220 current group into whatever groups they are destined to. In the
9221 latter case, they will be copied into the relevant groups."
9223 (list current-prefix-arg
9224 (let* ((methods (gnus-methods-using 'respool))
9226 (symbol-name (or gnus-summary-respool-default-method
9227 (car (gnus-find-method-for-group
9228 gnus-newsgroup-name)))))
9230 (gnus-completing-read-with-default
9231 methname "What backend do you want to use when respooling?"
9232 methods nil t nil 'gnus-mail-method-history))
9235 ((zerop (length (setq ms (gnus-servers-using-backend
9237 (list (intern method) ""))
9241 (let ((ms-alist (mapcar (lambda (m) (cons (cadr m) m)) ms)))
9242 (cdr (assoc (completing-read "Server name: " ms-alist nil t)
9245 (error "No method given for respooling"))
9246 (if (assoc (symbol-name
9247 (car (gnus-find-method-for-group gnus-newsgroup-name)))
9248 (gnus-methods-using 'respool))
9249 (gnus-summary-move-article n nil method)
9250 (gnus-summary-copy-article n nil method)))
9252 (defun gnus-summary-import-article (file &optional edit)
9253 "Import an arbitrary file into a mail newsgroup."
9254 (interactive "fImport file: \nP")
9255 (let ((group gnus-newsgroup-name)
9256 (now (current-time))
9257 atts lines group-art)
9258 (unless (gnus-check-backend-function 'request-accept-article group)
9259 (error "%s does not support article importing" group))
9260 (or (file-readable-p file)
9261 (not (file-regular-p file))
9262 (error "Can't read %s" file))
9264 (set-buffer (gnus-get-buffer-create " *import file*"))
9266 (nnheader-insert-file-contents file)
9267 (goto-char (point-min))
9268 (if (nnheader-article-p)
9270 (goto-char (point-min))
9271 (search-forward "\n\n" nil t)
9272 (narrow-to-region (point-min) (1- (point)))
9273 (goto-char (point-min))
9274 (unless (re-search-forward "^date:" nil t)
9275 (goto-char (point-max))
9276 (insert "Date: " (message-make-date (nth 5 atts)) "\n")))
9277 ;; This doesn't look like an article, so we fudge some headers.
9278 (setq atts (file-attributes file)
9279 lines (count-lines (point-min) (point-max)))
9280 (insert "From: " (read-string "From: ") "\n"
9281 "Subject: " (read-string "Subject: ") "\n"
9282 "Date: " (message-make-date (nth 5 atts)) "\n"
9283 "Message-ID: " (message-make-message-id) "\n"
9284 "Lines: " (int-to-string lines) "\n"
9285 "Chars: " (int-to-string (nth 7 atts)) "\n\n"))
9286 (setq group-art (gnus-request-accept-article group nil t))
9287 (kill-buffer (current-buffer)))
9288 (setq gnus-newsgroup-active (gnus-activate-group group))
9290 (gnus-summary-goto-article (cdr group-art) nil t)
9292 (gnus-summary-edit-article))))
9294 (defun gnus-summary-create-article ()
9295 "Create an article in a mail newsgroup."
9297 (let ((group gnus-newsgroup-name)
9298 (now (current-time))
9300 (unless (gnus-check-backend-function 'request-accept-article group)
9301 (error "%s does not support article importing" group))
9303 (set-buffer (gnus-get-buffer-create " *import file*"))
9305 (goto-char (point-min))
9306 ;; This doesn't look like an article, so we fudge some headers.
9307 (insert "From: " (read-string "From: ") "\n"
9308 "Subject: " (read-string "Subject: ") "\n"
9309 "Date: " (message-make-date now) "\n"
9310 "Message-ID: " (message-make-message-id) "\n")
9311 (setq group-art (gnus-request-accept-article group nil t))
9312 (kill-buffer (current-buffer)))
9313 (setq gnus-newsgroup-active (gnus-activate-group group))
9315 (gnus-summary-goto-article (cdr group-art) nil t)
9316 (gnus-summary-edit-article)))
9318 (defun gnus-summary-article-posted-p ()
9319 "Say whether the current (mail) article is available from news as well.
9320 This will be the case if the article has both been mailed and posted."
9322 (let ((id (mail-header-references (gnus-summary-article-header)))
9323 (gnus-override-method (car (gnus-refer-article-methods))))
9324 (if (gnus-request-head id "")
9325 (gnus-message 2 "The current message was found on %s"
9326 gnus-override-method)
9327 (gnus-message 2 "The current message couldn't be found on %s"
9328 gnus-override-method)
9331 (defun gnus-summary-expire-articles (&optional now)
9332 "Expire all articles that are marked as expirable in the current group."
9334 (when (and (not gnus-group-is-exiting-without-update-p)
9335 (gnus-check-backend-function
9336 'request-expire-articles gnus-newsgroup-name))
9337 ;; This backend supports expiry.
9338 (let* ((total (gnus-group-total-expirable-p gnus-newsgroup-name))
9339 (expirable (if total
9341 ;; We need to update the info for
9342 ;; this group for `gnus-list-of-read-articles'
9343 ;; to give us the right answer.
9344 (gnus-run-hooks 'gnus-exit-group-hook)
9345 (gnus-summary-update-info)
9346 (gnus-list-of-read-articles gnus-newsgroup-name))
9347 (setq gnus-newsgroup-expirable
9348 (sort gnus-newsgroup-expirable '<))))
9349 (expiry-wait (if now 'immediate
9350 (gnus-group-find-parameter
9351 gnus-newsgroup-name 'expiry-wait)))
9352 (nnmail-expiry-target
9353 (or (gnus-group-find-parameter gnus-newsgroup-name 'expiry-target)
9354 nnmail-expiry-target))
9357 ;; There are expirable articles in this group, so we run them
9358 ;; through the expiry process.
9359 (gnus-message 6 "Expiring articles...")
9360 (unless (gnus-check-group gnus-newsgroup-name)
9361 (error "Can't open server for %s" gnus-newsgroup-name))
9362 ;; The list of articles that weren't expired is returned.
9365 (let ((nnmail-expiry-wait-function nil)
9366 (nnmail-expiry-wait expiry-wait))
9367 (setq es (gnus-request-expire-articles
9368 expirable gnus-newsgroup-name)))
9369 (setq es (gnus-request-expire-articles
9370 expirable gnus-newsgroup-name)))
9372 (setq gnus-newsgroup-expirable es))
9373 ;; We go through the old list of expirable, and mark all
9374 ;; really expired articles as nonexistent.
9375 (unless (eq es expirable) ;If nothing was expired, we don't mark.
9376 (let ((gnus-use-cache nil))
9377 (dolist (article expirable)
9378 (when (and (not (memq article es))
9379 (gnus-data-find article))
9380 (gnus-summary-mark-article article gnus-canceled-mark)
9381 (run-hook-with-args 'gnus-summary-article-expire-hook
9384 (assoc article (gnus-data-list nil)))
9388 (gnus-message 6 "Expiring articles...done")))))
9390 (defun gnus-summary-expire-articles-now ()
9391 "Expunge all expirable articles in the current group.
9392 This means that *all* articles that are marked as expirable will be
9393 deleted forever, right now."
9395 (or gnus-expert-user
9397 "Are you really, really, really sure you want to delete all these messages? ")
9399 (gnus-summary-expire-articles t))
9401 ;; Suggested by Jack Vinson <vinson@unagi.cis.upenn.edu>.
9402 (defun gnus-summary-delete-article (&optional n)
9403 "Delete the N next (mail) articles.
9404 This command actually deletes articles. This is not a marking
9405 command. The article will disappear forever from your life, never to
9408 If N is negative, delete backwards.
9409 If N is nil and articles have been marked with the process mark,
9410 delete these instead.
9412 If `gnus-novice-user' is non-nil you will be asked for
9413 confirmation before the articles are deleted."
9415 (unless (gnus-check-backend-function 'request-expire-articles
9416 gnus-newsgroup-name)
9417 (error "The current newsgroup does not support article deletion"))
9418 (unless (gnus-check-server (gnus-find-method-for-group gnus-newsgroup-name))
9419 (error "Couldn't open server"))
9420 ;; Compute the list of articles to delete.
9421 (let ((articles (sort (copy-sequence (gnus-summary-work-articles n)) '<))
9422 (nnmail-expiry-target 'delete)
9424 (if (and gnus-novice-user
9425 (not (gnus-yes-or-no-p
9426 (format "Do you really want to delete %s forever? "
9427 (if (> (length articles) 1)
9428 (format "these %s articles" (length articles))
9431 ;; Delete the articles.
9432 (setq not-deleted (gnus-request-expire-articles
9433 articles gnus-newsgroup-name 'force))
9435 (gnus-summary-remove-process-mark (car articles))
9436 ;; The backend might not have been able to delete the article
9438 (unless (memq (car articles) not-deleted)
9439 (gnus-summary-mark-article (car articles) gnus-canceled-mark))
9440 (let* ((article (car articles))
9441 (ghead (gnus-data-header
9442 (assoc article (gnus-data-list nil)))))
9443 (run-hook-with-args 'gnus-summary-article-delete-hook
9444 'delete ghead gnus-newsgroup-name nil
9446 (setq articles (cdr articles)))
9448 (gnus-message 4 "Couldn't delete articles %s" not-deleted)))
9449 (gnus-summary-position-point)
9450 (gnus-set-mode-line 'summary)
9453 (defun gnus-summary-edit-article (&optional arg)
9454 "Edit the current article.
9455 This will have permanent effect only in mail groups.
9456 If ARG is nil, edit the decoded articles.
9457 If ARG is 1, edit the raw articles.
9458 If ARG is 2, edit the raw articles even in read-only groups.
9459 If ARG is 3, edit the articles with the current handles.
9460 Otherwise, allow editing of articles even in read-only
9463 (let (force raw current-handles)
9472 (setq current-handles
9473 (and (gnus-buffer-live-p gnus-article-buffer)
9474 (with-current-buffer gnus-article-buffer
9476 gnus-article-mime-handles
9477 (setq gnus-article-mime-handles nil))))))
9480 (when (and raw (not force)
9481 (member gnus-newsgroup-name '("nndraft:delayed"
9484 (error "Can't edit the raw article in group %s"
9485 gnus-newsgroup-name))
9487 (set-buffer gnus-summary-buffer)
9488 (let ((mail-parse-charset gnus-newsgroup-charset)
9489 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets))
9490 (gnus-set-global-variables)
9491 (when (and (not force)
9492 (gnus-group-read-only-p))
9493 (error "The current newsgroup does not support article editing"))
9494 (gnus-summary-show-article t)
9495 (when (and (not raw) (gnus-buffer-live-p gnus-article-buffer))
9496 (with-current-buffer gnus-article-buffer
9497 (mm-enable-multibyte)))
9498 (if (member gnus-newsgroup-name '("nndraft:delayed" "nndraft:drafts"))
9500 (gnus-article-edit-article
9503 (let ((mbl mml-buffer-list))
9504 (setq mml-buffer-list nil)
9505 (mime-to-mml ,'current-handles)
9506 (let ((mbl1 mml-buffer-list))
9507 (setq mml-buffer-list mbl)
9508 (set (make-local-variable 'mml-buffer-list) mbl1))
9509 (gnus-make-local-hook 'kill-buffer-hook)
9510 (add-hook 'kill-buffer-hook 'mml-destroy-buffers t t))))
9511 `(lambda (no-highlight)
9512 (let ((mail-parse-charset ',gnus-newsgroup-charset)
9513 (message-options message-options)
9514 (message-options-set-recipient)
9515 (mail-parse-ignored-charsets
9516 ',gnus-newsgroup-ignored-charsets))
9517 ,(if (not raw) '(progn
9519 (mml-destroy-buffers)
9520 (remove-hook 'kill-buffer-hook
9521 'mml-destroy-buffers t)
9522 (kill-local-variable 'mml-buffer-list)))
9523 (gnus-summary-edit-article-done
9524 ,(or (mail-header-references gnus-current-headers) "")
9525 ,(gnus-group-read-only-p)
9526 ,gnus-summary-buffer no-highlight))))))))
9528 (defalias 'gnus-summary-edit-article-postpone 'gnus-article-edit-exit)
9530 (defun gnus-summary-edit-article-done (&optional references read-only buffer
9532 "Make edits to the current article permanent."
9535 ;; The buffer restriction contains the entire article if it exists.
9536 (when (article-goto-body)
9537 (let ((lines (count-lines (point) (point-max)))
9538 (length (- (point-max) (point)))
9539 (case-fold-search t)
9540 (body (copy-marker (point))))
9541 (goto-char (point-min))
9542 (when (re-search-forward "^content-length:[ \t]\\([0-9]+\\)" body t)
9543 (delete-region (match-beginning 1) (match-end 1))
9544 (insert (number-to-string length)))
9545 (goto-char (point-min))
9546 (when (re-search-forward
9547 "^x-content-length:[ \t]\\([0-9]+\\)" body t)
9548 (delete-region (match-beginning 1) (match-end 1))
9549 (insert (number-to-string length)))
9550 (goto-char (point-min))
9551 (when (re-search-forward "^lines:[ \t]\\([0-9]+\\)" body t)
9552 (delete-region (match-beginning 1) (match-end 1))
9553 (insert (number-to-string lines))))))
9554 ;; Replace the article.
9555 (let ((buf (current-buffer)))
9557 (insert-buffer-substring buf)
9559 (if (and (not read-only)
9560 (not (gnus-request-replace-article
9561 (cdr gnus-article-current) (car gnus-article-current)
9562 (current-buffer) t)))
9563 (error "Couldn't replace article")
9564 ;; Update the summary buffer.
9566 (equal (message-tokenize-header references " ")
9567 (message-tokenize-header
9568 (or (message-fetch-field "references") "") " ")))
9569 ;; We only have to update this line.
9572 (message-narrow-to-head)
9573 (let ((head (buffer-string))
9576 (insert (format "211 %d Article retrieved.\n"
9577 (cdr gnus-article-current)))
9580 (let ((nntp-server-buffer (current-buffer)))
9581 (setq header (car (gnus-get-newsgroup-headers
9584 (set-buffer gnus-summary-buffer)
9585 (gnus-data-set-header
9586 (gnus-data-find (cdr gnus-article-current))
9588 (gnus-summary-update-article-line
9589 (cdr gnus-article-current) header)
9590 (if (gnus-summary-goto-subject
9591 (cdr gnus-article-current) nil t)
9592 (gnus-summary-update-secondary-mark
9593 (cdr gnus-article-current))))))))
9595 (set-buffer (or buffer gnus-summary-buffer))
9596 (gnus-summary-update-article (cdr gnus-article-current))
9597 (if (gnus-summary-goto-subject (cdr gnus-article-current) nil t)
9598 (gnus-summary-update-secondary-mark
9599 (cdr gnus-article-current))))
9600 ;; Prettify the article buffer again.
9601 (unless no-highlight
9603 (set-buffer gnus-article-buffer)
9604 ;;;!!! Fix this -- article should be rehighlighted.
9605 ;;;(gnus-run-hooks 'gnus-article-display-hook)
9606 (set-buffer gnus-original-article-buffer)
9607 (gnus-request-article
9608 (cdr gnus-article-current)
9609 (car gnus-article-current) (current-buffer))))
9610 ;; Prettify the summary buffer line.
9611 (when (gnus-visual-p 'summary-highlight 'highlight)
9612 (gnus-run-hooks 'gnus-visual-mark-article-hook))))))
9614 (defun gnus-summary-edit-wash (key)
9615 "Perform editing command KEY in the article buffer."
9619 (message "%s" (concat (this-command-keys) "- "))
9622 (gnus-summary-edit-article)
9623 (execute-kbd-macro (concat (this-command-keys) key))
9624 (gnus-article-edit-done))
9628 (defun gnus-summary-respool-query (&optional silent trace)
9629 "Query where the respool algorithm would put this article."
9631 (let (gnus-mark-article-hook)
9632 (gnus-summary-select-article)
9634 (set-buffer gnus-original-article-buffer)
9635 (let ((groups (nnmail-article-group 'identity trace)))
9638 (message "This message would go to %s"
9639 (mapconcat 'car groups ", "))
9640 (message "This message would go to no groups"))
9643 (defun gnus-summary-respool-trace ()
9644 "Trace where the respool algorithm would put this article.
9645 Display a buffer showing all fancy splitting patterns which matched."
9647 (gnus-summary-respool-query nil t))
9649 ;; Summary marking commands.
9651 (defun gnus-summary-kill-same-subject-and-select (&optional unmark)
9652 "Mark articles which has the same subject as read, and then select the next.
9653 If UNMARK is positive, remove any kind of mark.
9654 If UNMARK is negative, tick articles."
9657 (setq unmark (prefix-numeric-value unmark)))
9659 (gnus-summary-mark-same-subject
9660 (gnus-summary-article-subject) unmark)))
9661 ;; Select next unread article. If auto-select-same mode, should
9662 ;; select the first unread article.
9663 (gnus-summary-next-article t (and gnus-auto-select-same
9664 (gnus-summary-article-subject)))
9665 (gnus-message 7 "%d article%s marked as %s"
9666 count (if (= count 1) " is" "s are")
9667 (if unmark "unread" "read"))))
9669 (defun gnus-summary-kill-same-subject (&optional unmark)
9670 "Mark articles which has the same subject as read.
9671 If UNMARK is positive, remove any kind of mark.
9672 If UNMARK is negative, tick articles."
9675 (setq unmark (prefix-numeric-value unmark)))
9677 (gnus-summary-mark-same-subject
9678 (gnus-summary-article-subject) unmark)))
9679 ;; If marked as read, go to next unread subject.
9681 ;; Go to next unread subject.
9682 (gnus-summary-next-subject 1 t))
9683 (gnus-message 7 "%d articles are marked as %s"
9684 count (if unmark "unread" "read"))))
9686 (defun gnus-summary-mark-same-subject (subject &optional unmark)
9687 "Mark articles with same SUBJECT as read, and return marked number.
9688 If optional argument UNMARK is positive, remove any kinds of marks.
9689 If optional argument UNMARK is negative, mark articles as unread instead."
9693 ((null unmark) ; Mark as read.
9696 (gnus-summary-mark-article-as-read gnus-killed-mark)
9697 (gnus-summary-show-thread) t)
9698 (gnus-summary-find-subject subject))
9699 (setq count (1+ count))))
9700 ((> unmark 0) ; Tick.
9703 (gnus-summary-mark-article-as-unread gnus-ticked-mark)
9704 (gnus-summary-show-thread) t)
9705 (gnus-summary-find-subject subject))
9706 (setq count (1+ count))))
9707 (t ; Mark as unread.
9710 (gnus-summary-mark-article-as-unread gnus-unread-mark)
9711 (gnus-summary-show-thread) t)
9712 (gnus-summary-find-subject subject))
9713 (setq count (1+ count)))))
9714 (gnus-set-mode-line 'summary)
9715 ;; Return the number of marked articles.
9718 (defun gnus-summary-mark-as-processable (n &optional unmark)
9719 "Set the process mark on the next N articles.
9720 If N is negative, mark backward instead. If UNMARK is non-nil, remove
9721 the process mark instead. The difference between N and the actual
9722 number of articles marked is returned."
9724 (if (and (null n) (gnus-region-active-p))
9725 (gnus-uu-mark-region (region-beginning) (region-end) unmark)
9726 (setq n (prefix-numeric-value n))
9727 (let ((backward (< n 0))
9732 (gnus-summary-remove-process-mark
9733 (gnus-summary-article-number))
9734 (gnus-summary-set-process-mark (gnus-summary-article-number)))
9735 (zerop (gnus-summary-next-subject (if backward -1 1) nil t)))
9738 (gnus-message 7 "No more articles"))
9739 (gnus-summary-recenter)
9740 (gnus-summary-position-point)
9743 (defun gnus-summary-unmark-as-processable (n)
9744 "Remove the process mark from the next N articles.
9745 If N is negative, unmark backward instead. The difference between N and
9746 the actual number of articles unmarked is returned."
9748 (gnus-summary-mark-as-processable n t))
9750 (defun gnus-summary-unmark-all-processable ()
9751 "Remove the process mark from all articles."
9754 (while gnus-newsgroup-processable
9755 (gnus-summary-remove-process-mark (car gnus-newsgroup-processable))))
9756 (gnus-summary-position-point))
9758 (defun gnus-summary-add-mark (article type)
9759 "Mark ARTICLE with a mark of TYPE."
9760 (let ((vtype (car (assq type gnus-article-mark-lists)))
9763 (error "No such mark type: %s" type)
9764 (setq var (intern (format "gnus-newsgroup-%s" type)))
9765 (set var (cons article (symbol-value var)))
9766 (if (memq type '(processable cached replied forwarded recent saved))
9767 (gnus-summary-update-secondary-mark article)
9768 ;;; !!! This is bogus. We should find out what primary
9769 ;;; !!! mark we want to set.
9770 (gnus-summary-update-mark gnus-del-mark 'unread)))))
9772 (defun gnus-summary-mark-as-expirable (n)
9773 "Mark N articles forward as expirable.
9774 If N is negative, mark backward instead. The difference between N and
9775 the actual number of articles marked is returned."
9777 (gnus-summary-mark-forward n gnus-expirable-mark))
9779 (defun gnus-summary-mark-as-spam (n)
9780 "Mark N articles forward as spam.
9781 If N is negative, mark backward instead. The difference between N and
9782 the actual number of articles marked is returned."
9784 (gnus-summary-mark-forward n gnus-spam-mark))
9786 (defun gnus-summary-mark-article-as-replied (article)
9787 "Mark ARTICLE as replied to and update the summary line.
9788 ARTICLE can also be a list of articles."
9789 (interactive (list (gnus-summary-article-number)))
9790 (let ((articles (if (listp article) article (list article))))
9791 (dolist (article articles)
9792 (unless (numberp article)
9793 (error "%s is not a number" article))
9794 (push article gnus-newsgroup-replied)
9795 (let ((buffer-read-only nil))
9796 (when (gnus-summary-goto-subject article nil t)
9797 (gnus-summary-update-secondary-mark article))))))
9799 (defun gnus-summary-mark-article-as-forwarded (article)
9800 "Mark ARTICLE as forwarded and update the summary line.
9801 ARTICLE can also be a list of articles."
9802 (let ((articles (if (listp article) article (list article))))
9803 (dolist (article articles)
9804 (push article gnus-newsgroup-forwarded)
9805 (let ((buffer-read-only nil))
9806 (when (gnus-summary-goto-subject article nil t)
9807 (gnus-summary-update-secondary-mark article))))))
9809 (defun gnus-summary-set-bookmark (article)
9810 "Set a bookmark in current article."
9811 (interactive (list (gnus-summary-article-number)))
9812 (when (or (not (get-buffer gnus-article-buffer))
9813 (not gnus-current-article)
9814 (not gnus-article-current)
9815 (not (equal gnus-newsgroup-name (car gnus-article-current))))
9816 (error "No current article selected"))
9817 ;; Remove old bookmark, if one exists.
9818 (gnus-pull article gnus-newsgroup-bookmarks)
9819 ;; Set the new bookmark, which is on the form
9820 ;; (article-number . line-number-in-body).
9823 (with-current-buffer gnus-article-buffer
9830 gnus-newsgroup-bookmarks)
9831 (gnus-message 6 "A bookmark has been added to the current article."))
9833 (defun gnus-summary-remove-bookmark (article)
9834 "Remove the bookmark from the current article."
9835 (interactive (list (gnus-summary-article-number)))
9836 ;; Remove old bookmark, if one exists.
9837 (if (not (assq article gnus-newsgroup-bookmarks))
9838 (gnus-message 6 "No bookmark in current article.")
9839 (gnus-pull article gnus-newsgroup-bookmarks)
9840 (gnus-message 6 "Removed bookmark.")))
9842 ;; Suggested by Daniel Quinlan <quinlan@best.com>.
9843 (defun gnus-summary-mark-as-dormant (n)
9844 "Mark N articles forward as dormant.
9845 If N is negative, mark backward instead. The difference between N and
9846 the actual number of articles marked is returned."
9848 (gnus-summary-mark-forward n gnus-dormant-mark))
9850 (defun gnus-summary-set-process-mark (article)
9851 "Set the process mark on ARTICLE and update the summary line."
9852 (setq gnus-newsgroup-processable
9854 (delq article gnus-newsgroup-processable)))
9855 (when (gnus-summary-goto-subject article)
9856 (gnus-summary-show-thread)
9857 (gnus-summary-goto-subject article)
9858 (gnus-summary-update-secondary-mark article)))
9860 (defun gnus-summary-remove-process-mark (article)
9861 "Remove the process mark from ARTICLE and update the summary line."
9862 (setq gnus-newsgroup-processable (delq article gnus-newsgroup-processable))
9863 (when (gnus-summary-goto-subject article)
9864 (gnus-summary-show-thread)
9865 (gnus-summary-goto-subject article)
9866 (gnus-summary-update-secondary-mark article)))
9868 (defun gnus-summary-set-saved-mark (article)
9869 "Set the process mark on ARTICLE and update the summary line."
9870 (push article gnus-newsgroup-saved)
9871 (when (gnus-summary-goto-subject article)
9872 (gnus-summary-update-secondary-mark article)))
9874 (defun gnus-summary-mark-forward (n &optional mark no-expire)
9875 "Mark N articles as read forwards.
9876 If N is negative, mark backwards instead. Mark with MARK, ?r by default.
9877 The difference between N and the actual number of articles marked is
9879 If NO-EXPIRE, auto-expiry will be inhibited."
9881 (gnus-summary-show-thread)
9882 (let ((backward (< n 0))
9883 (gnus-summary-goto-unread
9884 (and gnus-summary-goto-unread
9885 (not (eq gnus-summary-goto-unread 'never))
9886 (not (memq mark (list gnus-unread-mark gnus-spam-mark
9887 gnus-ticked-mark gnus-dormant-mark)))))
9889 (mark (or mark gnus-del-mark)))
9891 (gnus-summary-mark-article nil mark no-expire)
9892 (zerop (gnus-summary-next-subject
9894 (and gnus-summary-goto-unread
9895 (not (eq gnus-summary-goto-unread 'never)))
9899 (gnus-message 7 "No more %sarticles" (if mark "" "unread ")))
9900 (gnus-summary-recenter)
9901 (gnus-summary-position-point)
9902 (gnus-set-mode-line 'summary)
9905 (defun gnus-summary-mark-article-as-read (mark)
9906 "Mark the current article quickly as read with MARK."
9907 (let ((article (gnus-summary-article-number)))
9908 (setq gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
9909 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
9910 (setq gnus-newsgroup-spam-marked (delq article gnus-newsgroup-spam-marked))
9911 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
9912 (push (cons article mark) gnus-newsgroup-reads)
9913 ;; Possibly remove from cache, if that is used.
9914 (when gnus-use-cache
9915 (gnus-cache-enter-remove-article article))
9916 ;; Allow the backend to change the mark.
9917 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
9918 ;; Check for auto-expiry.
9919 (when (and gnus-newsgroup-auto-expire
9920 (memq mark gnus-auto-expirable-marks))
9921 (setq mark gnus-expirable-mark)
9922 ;; Let the backend know about the mark change.
9923 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
9924 (push article gnus-newsgroup-expirable))
9925 ;; Set the mark in the buffer.
9926 (gnus-summary-update-mark mark 'unread)
9929 (defun gnus-summary-mark-article-as-unread (mark)
9930 "Mark the current article quickly as unread with MARK."
9931 (let* ((article (gnus-summary-article-number))
9932 (old-mark (gnus-summary-article-mark article)))
9933 ;; Allow the backend to change the mark.
9934 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
9935 (if (eq mark old-mark)
9939 (gnus-error 1 "Can't mark negative article numbers")
9941 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
9942 (setq gnus-newsgroup-spam-marked
9943 (delq article gnus-newsgroup-spam-marked))
9944 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
9945 (setq gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable))
9946 (setq gnus-newsgroup-reads (delq article gnus-newsgroup-reads))
9947 (cond ((= mark gnus-ticked-mark)
9948 (setq gnus-newsgroup-marked
9949 (gnus-add-to-sorted-list gnus-newsgroup-marked
9951 ((= mark gnus-spam-mark)
9952 (setq gnus-newsgroup-spam-marked
9953 (gnus-add-to-sorted-list gnus-newsgroup-spam-marked
9955 ((= mark gnus-dormant-mark)
9956 (setq gnus-newsgroup-dormant
9957 (gnus-add-to-sorted-list gnus-newsgroup-dormant
9960 (setq gnus-newsgroup-unreads
9961 (gnus-add-to-sorted-list gnus-newsgroup-unreads
9963 (gnus-pull article gnus-newsgroup-reads)
9965 ;; See whether the article is to be put in the cache.
9967 (vectorp (gnus-summary-article-header article))
9969 (gnus-cache-possibly-enter-article
9970 gnus-newsgroup-name article
9971 (= mark gnus-ticked-mark)
9972 (= mark gnus-dormant-mark) (= mark gnus-unread-mark))))
9975 (gnus-summary-update-mark mark 'unread)
9978 (defun gnus-summary-mark-article (&optional article mark no-expire)
9979 "Mark ARTICLE with MARK. MARK can be any character.
9980 Four MARK strings are reserved: `? ' (unread), `?!' (ticked),
9981 `??' (dormant) and `?E' (expirable).
9982 If MARK is nil, then the default character `?r' is used.
9983 If ARTICLE is nil, then the article on the current line will be
9985 If NO-EXPIRE, auto-expiry will be inhibited."
9986 ;; The mark might be a string.
9987 (when (stringp mark)
9988 (setq mark (aref mark 0)))
9989 ;; If no mark is given, then we check auto-expiring.
9991 (setq mark gnus-del-mark))
9992 (when (and (not no-expire)
9993 gnus-newsgroup-auto-expire
9994 (memq mark gnus-auto-expirable-marks))
9995 (setq mark gnus-expirable-mark))
9996 (let ((article (or article (gnus-summary-article-number)))
9997 (old-mark (gnus-summary-article-mark article)))
9998 ;; Allow the backend to change the mark.
9999 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
10000 (if (eq mark old-mark)
10003 (error "No article on current line"))
10004 (if (not (if (or (= mark gnus-unread-mark)
10005 (= mark gnus-ticked-mark)
10006 (= mark gnus-spam-mark)
10007 (= mark gnus-dormant-mark))
10008 (gnus-mark-article-as-unread article mark)
10009 (gnus-mark-article-as-read article mark)))
10011 ;; See whether the article is to be put in the cache.
10012 (and gnus-use-cache
10013 (not (= mark gnus-canceled-mark))
10014 (vectorp (gnus-summary-article-header article))
10016 (gnus-cache-possibly-enter-article
10017 gnus-newsgroup-name article
10018 (= mark gnus-ticked-mark)
10019 (= mark gnus-dormant-mark) (= mark gnus-unread-mark))))
10021 (when (gnus-summary-goto-subject article nil t)
10022 (let ((buffer-read-only nil))
10023 (gnus-summary-show-thread)
10025 (gnus-summary-update-mark mark 'unread)
10028 (defun gnus-summary-update-secondary-mark (article)
10029 "Update the secondary (read, process, cache) mark."
10030 (gnus-summary-update-mark
10031 (cond ((memq article gnus-newsgroup-processable)
10033 ((memq article gnus-newsgroup-cached)
10035 ((memq article gnus-newsgroup-replied)
10037 ((memq article gnus-newsgroup-forwarded)
10038 gnus-forwarded-mark)
10039 ((memq article gnus-newsgroup-saved)
10041 ((memq article gnus-newsgroup-recent)
10043 ((memq article gnus-newsgroup-unseen)
10047 (when (gnus-visual-p 'summary-highlight 'highlight)
10048 (gnus-run-hooks 'gnus-summary-update-hook))
10051 (defun gnus-summary-update-download-mark (article)
10052 "Update the download mark."
10053 (gnus-summary-update-mark
10054 (cond ((memq article gnus-newsgroup-undownloaded)
10055 gnus-undownloaded-mark)
10056 (gnus-newsgroup-agentized
10057 gnus-downloaded-mark)
10061 (gnus-summary-update-line t)
10064 (defun gnus-summary-update-mark (mark type)
10065 (let ((forward (cdr (assq type gnus-summary-mark-positions)))
10066 (buffer-read-only nil))
10067 (re-search-backward "[\n\r]" (point-at-bol) 'move-to-limit)
10069 (when (looking-at "\r")
10071 (when (<= (+ forward (point)) (point-max))
10072 ;; Go to the right position on the line.
10073 (goto-char (+ forward (point)))
10074 ;; Replace the old mark with the new mark.
10075 (subst-char-in-region (point) (1+ (point)) (char-after) mark)
10076 ;; Optionally update the marks by some user rule.
10077 (when (eq type 'unread)
10078 (gnus-data-set-mark
10079 (gnus-data-find (gnus-summary-article-number)) mark)
10080 (gnus-summary-update-line (eq mark gnus-unread-mark)))))))
10082 (defun gnus-mark-article-as-read (article &optional mark)
10083 "Enter ARTICLE in the pertinent lists and remove it from others."
10084 ;; Make the article expirable.
10085 (let ((mark (or mark gnus-del-mark)))
10086 (setq gnus-newsgroup-expirable
10087 (if (= mark gnus-expirable-mark)
10088 (gnus-add-to-sorted-list gnus-newsgroup-expirable article)
10089 (delq article gnus-newsgroup-expirable)))
10090 ;; Remove from unread and marked lists.
10091 (setq gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
10092 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
10093 (setq gnus-newsgroup-spam-marked (delq article gnus-newsgroup-spam-marked))
10094 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
10095 (push (cons article mark) gnus-newsgroup-reads)
10096 ;; Possibly remove from cache, if that is used.
10097 (when gnus-use-cache
10098 (gnus-cache-enter-remove-article article))
10101 (defun gnus-mark-article-as-unread (article &optional mark)
10102 "Enter ARTICLE in the pertinent lists and remove it from others."
10103 (let ((mark (or mark gnus-ticked-mark)))
10106 (gnus-error 1 "Can't mark negative article numbers")
10108 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked)
10109 gnus-newsgroup-spam-marked (delq article gnus-newsgroup-spam-marked)
10110 gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant)
10111 gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable)
10112 gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
10114 ;; Unsuppress duplicates?
10115 (when gnus-suppress-duplicates
10116 (gnus-dup-unsuppress-article article))
10118 (cond ((= mark gnus-ticked-mark)
10119 (setq gnus-newsgroup-marked
10120 (gnus-add-to-sorted-list gnus-newsgroup-marked article)))
10121 ((= mark gnus-spam-mark)
10122 (setq gnus-newsgroup-spam-marked
10123 (gnus-add-to-sorted-list gnus-newsgroup-spam-marked
10125 ((= mark gnus-dormant-mark)
10126 (setq gnus-newsgroup-dormant
10127 (gnus-add-to-sorted-list gnus-newsgroup-dormant article)))
10129 (setq gnus-newsgroup-unreads
10130 (gnus-add-to-sorted-list gnus-newsgroup-unreads article))))
10131 (gnus-pull article gnus-newsgroup-reads)
10134 (defalias 'gnus-summary-mark-as-unread-forward
10135 'gnus-summary-tick-article-forward)
10136 (make-obsolete 'gnus-summary-mark-as-unread-forward
10137 'gnus-summary-tick-article-forward)
10138 (defun gnus-summary-tick-article-forward (n)
10139 "Tick N articles forwards.
10140 If N is negative, tick backwards instead.
10141 The difference between N and the number of articles ticked is returned."
10143 (gnus-summary-mark-forward n gnus-ticked-mark))
10145 (defalias 'gnus-summary-mark-as-unread-backward
10146 'gnus-summary-tick-article-backward)
10147 (make-obsolete 'gnus-summary-mark-as-unread-backward
10148 'gnus-summary-tick-article-backward)
10149 (defun gnus-summary-tick-article-backward (n)
10150 "Tick N articles backwards.
10151 The difference between N and the number of articles ticked is returned."
10153 (gnus-summary-mark-forward (- n) gnus-ticked-mark))
10155 (defalias 'gnus-summary-mark-as-unread 'gnus-summary-tick-article)
10156 (make-obsolete 'gnus-summary-mark-as-unread 'gnus-summary-tick-article)
10157 (defun gnus-summary-tick-article (&optional article clear-mark)
10158 "Mark current article as unread.
10159 Optional 1st argument ARTICLE specifies article number to be marked as unread.
10160 Optional 2nd argument CLEAR-MARK remove any kinds of mark."
10162 (gnus-summary-mark-article article (if clear-mark gnus-unread-mark
10163 gnus-ticked-mark)))
10165 (defun gnus-summary-mark-as-read-forward (n)
10166 "Mark N articles as read forwards.
10167 If N is negative, mark backwards instead.
10168 The difference between N and the actual number of articles marked is
10171 (gnus-summary-mark-forward n gnus-del-mark gnus-inhibit-user-auto-expire))
10173 (defun gnus-summary-mark-as-read-backward (n)
10174 "Mark the N articles as read backwards.
10175 The difference between N and the actual number of articles marked is
10178 (gnus-summary-mark-forward
10179 (- n) gnus-del-mark gnus-inhibit-user-auto-expire))
10181 (defun gnus-summary-mark-as-read (&optional article mark)
10182 "Mark current article as read.
10183 ARTICLE specifies the article to be marked as read.
10184 MARK specifies a string to be inserted at the beginning of the line."
10185 (gnus-summary-mark-article article mark))
10187 (defun gnus-summary-clear-mark-forward (n)
10188 "Clear marks from N articles forward.
10189 If N is negative, clear backward instead.
10190 The difference between N and the number of marks cleared is returned."
10192 (gnus-summary-mark-forward n gnus-unread-mark))
10194 (defun gnus-summary-clear-mark-backward (n)
10195 "Clear marks from N articles backward.
10196 The difference between N and the number of marks cleared is returned."
10198 (gnus-summary-mark-forward (- n) gnus-unread-mark))
10200 (defun gnus-summary-mark-unread-as-read ()
10201 "Intended to be used by `gnus-summary-mark-article-hook'."
10202 (when (memq gnus-current-article gnus-newsgroup-unreads)
10203 (gnus-summary-mark-article gnus-current-article gnus-read-mark)))
10205 (defun gnus-summary-mark-read-and-unread-as-read (&optional new-mark)
10206 "Intended to be used by `gnus-summary-mark-article-hook'."
10207 (let ((mark (gnus-summary-article-mark)))
10208 (when (or (gnus-unread-mark-p mark)
10209 (gnus-read-mark-p mark))
10210 (gnus-summary-mark-article gnus-current-article
10211 (or new-mark gnus-read-mark)))))
10213 (defun gnus-summary-mark-current-read-and-unread-as-read (&optional new-mark)
10214 "Intended to be used by `gnus-summary-mark-article-hook'."
10215 (let ((mark (gnus-summary-article-mark)))
10216 (when (or (gnus-unread-mark-p mark)
10217 (gnus-read-mark-p mark))
10218 (gnus-summary-mark-article (gnus-summary-article-number)
10219 (or new-mark gnus-read-mark)))))
10221 (defun gnus-summary-mark-unread-as-ticked ()
10222 "Intended to be used by `gnus-summary-mark-article-hook'."
10223 (when (memq gnus-current-article gnus-newsgroup-unreads)
10224 (gnus-summary-mark-article gnus-current-article gnus-ticked-mark)))
10226 (defun gnus-summary-mark-region-as-read (point mark all)
10227 "Mark all unread articles between point and mark as read.
10228 If given a prefix, mark all articles between point and mark as read,
10229 even ticked and dormant ones."
10230 (interactive "r\nP")
10234 (beginning-of-line)
10239 (memq (setq article (gnus-summary-article-number))
10240 gnus-newsgroup-unreads))
10241 (gnus-summary-mark-article article gnus-del-mark))
10243 (gnus-summary-find-next))))))
10245 (defun gnus-summary-mark-below (score mark)
10246 "Mark articles with score less than SCORE with MARK."
10247 (interactive "P\ncMark: ")
10248 (setq score (if score
10249 (prefix-numeric-value score)
10250 (or gnus-summary-default-score 0)))
10252 (set-buffer gnus-summary-buffer)
10253 (goto-char (point-min))
10256 (and (< (gnus-summary-article-score) score)
10257 (gnus-summary-mark-article nil mark))
10258 (gnus-summary-find-next)))))
10260 (defun gnus-summary-kill-below (&optional score)
10261 "Mark articles with score below SCORE as read."
10263 (gnus-summary-mark-below score gnus-killed-mark))
10265 (defun gnus-summary-clear-above (&optional score)
10266 "Clear all marks from articles with score above SCORE."
10268 (gnus-summary-mark-above score gnus-unread-mark))
10270 (defun gnus-summary-tick-above (&optional score)
10271 "Tick all articles with score above SCORE."
10273 (gnus-summary-mark-above score gnus-ticked-mark))
10275 (defun gnus-summary-mark-above (score mark)
10276 "Mark articles with score over SCORE with MARK."
10277 (interactive "P\ncMark: ")
10278 (setq score (if score
10279 (prefix-numeric-value score)
10280 (or gnus-summary-default-score 0)))
10282 (set-buffer gnus-summary-buffer)
10283 (goto-char (point-min))
10285 (when (> (gnus-summary-article-score) score)
10286 (gnus-summary-mark-article nil mark))
10288 (gnus-summary-find-next)))))
10290 ;; Suggested by Daniel Quinlan <quinlan@best.com>.
10291 (defalias 'gnus-summary-show-all-expunged 'gnus-summary-limit-include-expunged)
10292 (defun gnus-summary-limit-include-expunged (&optional no-error)
10293 "Display all the hidden articles that were expunged for low scores."
10295 (let ((buffer-read-only nil))
10296 (let ((scored gnus-newsgroup-scored)
10299 (unless (gnus-summary-article-header (caar scored))
10300 (and (setq h (gnus-number-to-header (caar scored)))
10301 (< (cdar scored) gnus-summary-expunge-below)
10303 (setq scored (cdr scored)))
10305 (when (not no-error)
10306 (error "No expunged articles hidden"))
10307 (goto-char (point-min))
10308 (push gnus-newsgroup-limit gnus-newsgroup-limits)
10309 (setq gnus-newsgroup-limit (copy-sequence gnus-newsgroup-limit))
10310 (mapcar (lambda (x) (push (mail-header-number x)
10311 gnus-newsgroup-limit))
10313 (gnus-summary-prepare-unthreaded (nreverse headers))
10314 (goto-char (point-min))
10315 (gnus-summary-position-point)
10318 (defun gnus-summary-catchup (&optional all quietly to-here not-mark reverse)
10319 "Mark all unread articles in this newsgroup as read.
10320 If prefix argument ALL is non-nil, ticked and dormant articles will
10321 also be marked as read.
10322 If QUIETLY is non-nil, no questions will be asked.
10324 If TO-HERE is non-nil, it should be a point in the buffer. All
10325 articles before (after, if REVERSE is set) this point will be marked
10328 Note that this function will only catch up the unread article
10329 in the current summary buffer limitation.
10331 The number of articles marked as read is returned."
10336 (not gnus-interactive-catchup) ;Without confirmation?
10340 "Mark absolutely all articles as read? "
10341 "Mark all unread articles as read? ")))
10343 (not gnus-newsgroup-adaptive)
10344 (not gnus-newsgroup-auto-expire)
10345 (not gnus-suppress-duplicates)
10346 (or (not gnus-use-cache)
10347 (eq gnus-use-cache 'passive)))
10350 (setq gnus-newsgroup-marked nil
10351 gnus-newsgroup-spam-marked nil
10352 gnus-newsgroup-dormant nil))
10353 (setq gnus-newsgroup-unreads
10354 (gnus-sorted-nunion
10355 (gnus-intersection gnus-newsgroup-unreads
10356 gnus-newsgroup-downloadable)
10357 gnus-newsgroup-unfetched)))
10358 ;; We actually mark all articles as canceled, which we
10359 ;; have to do when using auto-expiry or adaptive scoring.
10360 (gnus-summary-show-all-threads)
10361 (if (and to-here reverse)
10363 (goto-char to-here)
10364 (gnus-summary-mark-current-read-and-unread-as-read
10366 (while (gnus-summary-find-next (not all))
10367 (gnus-summary-mark-article-as-read gnus-catchup-mark)))
10368 (when (gnus-summary-first-subject (not all))
10370 (if to-here (< (point) to-here) t)
10371 (gnus-summary-mark-article-as-read gnus-catchup-mark)
10372 (gnus-summary-find-next (not all))))))
10373 (gnus-set-mode-line 'summary))
10375 (gnus-summary-position-point)))
10377 (defun gnus-summary-catchup-to-here (&optional all)
10378 "Mark all unticked articles before the current one as read.
10379 If ALL is non-nil, also mark ticked and dormant articles as read."
10382 (gnus-save-hidden-threads
10383 (let ((beg (point)))
10384 ;; We check that there are unread articles.
10385 (when (or all (gnus-summary-find-prev))
10386 (gnus-summary-catchup all t beg)))))
10387 (gnus-summary-position-point))
10389 (defun gnus-summary-catchup-from-here (&optional all)
10390 "Mark all unticked articles after (and including) the current one as read.
10391 If ALL is non-nil, also mark ticked and dormant articles as read."
10394 (gnus-save-hidden-threads
10395 (let ((beg (point)))
10396 ;; We check that there are unread articles.
10397 (when (or all (gnus-summary-find-next))
10398 (gnus-summary-catchup all t beg nil t)))))
10399 (gnus-summary-position-point))
10401 (defun gnus-summary-catchup-all (&optional quietly)
10402 "Mark all articles in this newsgroup as read.
10403 This command is dangerous. Normally, you want \\[gnus-summary-catchup]
10404 instead, which marks only unread articles as read."
10406 (gnus-summary-catchup t quietly))
10408 (defun gnus-summary-catchup-and-exit (&optional all quietly)
10409 "Mark all unread articles in this group as read, then exit.
10410 If prefix argument ALL is non-nil, all articles are marked as read.
10411 If QUIETLY is non-nil, no questions will be asked."
10413 (when (gnus-summary-catchup all quietly nil 'fast)
10414 ;; Select next newsgroup or exit.
10415 (if (and (not (gnus-group-quit-config gnus-newsgroup-name))
10416 (eq gnus-auto-select-next 'quietly))
10417 (gnus-summary-next-group nil)
10418 (gnus-summary-exit))))
10420 (defun gnus-summary-catchup-all-and-exit (&optional quietly)
10421 "Mark all articles in this newsgroup as read, and then exit.
10422 This command is dangerous. Normally, you want \\[gnus-summary-catchup-and-exit]
10423 instead, which marks only unread articles as read."
10425 (gnus-summary-catchup-and-exit t quietly))
10427 (defun gnus-summary-catchup-and-goto-next-group (&optional all)
10428 "Mark all articles in this group as read and select the next group.
10429 If given a prefix, mark all articles, unread as well as ticked, as
10433 (gnus-summary-catchup all))
10434 (gnus-summary-next-group))
10440 (defmacro gnus-with-article (article &rest forms)
10441 "Select ARTICLE and perform FORMS in the original article buffer.
10442 Then replace the article with the result."
10444 ;; We don't want the article to be marked as read.
10445 (let (gnus-mark-article-hook)
10446 (gnus-summary-select-article t t nil ,article))
10447 (set-buffer gnus-original-article-buffer)
10449 (if (not (gnus-check-backend-function
10450 'request-replace-article (car gnus-article-current)))
10451 (gnus-message 5 "Read-only group; not replacing")
10452 (unless (gnus-request-replace-article
10453 ,article (car gnus-article-current)
10454 (current-buffer) t)
10455 (error "Couldn't replace article")))
10456 ;; The cache and backlog have to be flushed somewhat.
10457 (when gnus-keep-backlog
10458 (gnus-backlog-remove-article
10459 (car gnus-article-current) (cdr gnus-article-current)))
10460 (when gnus-use-cache
10461 (gnus-cache-update-article
10462 (car gnus-article-current) (cdr gnus-article-current)))))
10464 (put 'gnus-with-article 'lisp-indent-function 1)
10465 (put 'gnus-with-article 'edebug-form-spec '(form body))
10467 ;; Thread-based commands.
10469 (defun gnus-summary-articles-in-thread (&optional article)
10470 "Return a list of all articles in the current thread.
10471 If ARTICLE is non-nil, return all articles in the thread that starts
10472 with that article."
10473 (let* ((article (or article (gnus-summary-article-number)))
10474 (data (gnus-data-find-list article))
10475 (top-level (gnus-data-level (car data)))
10477 (cond ((null gnus-thread-operation-ignore-subject)
10478 (gnus-simplify-subject-re
10479 (mail-header-subject (gnus-data-header (car data)))))
10480 ((eq gnus-thread-operation-ignore-subject 'fuzzy)
10481 (gnus-simplify-subject-fuzzy
10482 (mail-header-subject (gnus-data-header (car data)))))
10484 (end-point (save-excursion
10485 (if (gnus-summary-go-to-next-thread)
10486 (point) (point-max))))
10489 (< (gnus-data-pos (car data)) end-point))
10490 (when (or (not top-subject)
10491 (string= top-subject
10492 (if (eq gnus-thread-operation-ignore-subject 'fuzzy)
10493 (gnus-simplify-subject-fuzzy
10494 (mail-header-subject
10495 (gnus-data-header (car data))))
10496 (gnus-simplify-subject-re
10497 (mail-header-subject
10498 (gnus-data-header (car data)))))))
10499 (push (gnus-data-number (car data)) articles))
10500 (unless (and (setq data (cdr data))
10501 (> (gnus-data-level (car data)) top-level))
10503 ;; Return the list of articles.
10504 (nreverse articles)))
10506 (defun gnus-summary-rethread-current ()
10507 "Rethread the thread the current article is part of."
10509 (let* ((gnus-show-threads t)
10510 (article (gnus-summary-article-number))
10511 (id (mail-header-id (gnus-summary-article-header)))
10512 (gnus-newsgroup-threads (list (gnus-id-to-thread (gnus-root-id id)))))
10514 (error "No article on the current line"))
10515 (gnus-rebuild-thread id)
10516 (gnus-summary-goto-subject article)))
10518 (defun gnus-summary-reparent-thread ()
10519 "Make the current article child of the marked (or previous) article.
10521 Note that the re-threading will only work if `gnus-thread-ignore-subject'
10522 is non-nil or the Subject: of both articles are the same."
10524 (unless (not (gnus-group-read-only-p))
10525 (error "The current newsgroup does not support article editing"))
10526 (unless (<= (length gnus-newsgroup-processable) 1)
10527 (error "No more than one article may be marked"))
10528 (save-window-excursion
10529 (let ((gnus-article-buffer " *reparent*")
10530 (current-article (gnus-summary-article-number))
10531 ;; First grab the marked article, otherwise one line up.
10532 (parent-article (if (not (null gnus-newsgroup-processable))
10533 (car gnus-newsgroup-processable)
10535 (if (eq (forward-line -1) 0)
10536 (gnus-summary-article-number)
10537 (error "Beginning of summary buffer"))))))
10538 (unless (not (eq current-article parent-article))
10539 (error "An article may not be self-referential"))
10540 (let ((message-id (mail-header-id
10541 (gnus-summary-article-header parent-article))))
10542 (unless (and message-id (not (equal message-id "")))
10543 (error "No message-id in desired parent"))
10544 (gnus-with-article current-article
10546 (goto-char (point-min))
10547 (message-narrow-to-head)
10548 (if (re-search-forward "^References: " nil t)
10550 (re-search-forward "^[^ \t]" nil t)
10553 (insert " " message-id))
10554 (insert "References: " message-id "\n"))))
10555 (set-buffer gnus-summary-buffer)
10556 (gnus-summary-unmark-all-processable)
10557 (gnus-summary-update-article current-article)
10558 (if (gnus-summary-goto-subject (cdr gnus-article-current) nil t)
10559 (gnus-summary-update-secondary-mark (cdr gnus-article-current)))
10560 (gnus-summary-rethread-current)
10561 (gnus-message 3 "Article %d is now the child of article %d"
10562 current-article parent-article)))))
10564 (defun gnus-summary-toggle-threads (&optional arg)
10565 "Toggle showing conversation threads.
10566 If ARG is positive number, turn showing conversation threads on."
10568 (let ((current (or (gnus-summary-article-number) gnus-newsgroup-end)))
10569 (setq gnus-show-threads
10570 (if (null arg) (not gnus-show-threads)
10571 (> (prefix-numeric-value arg) 0)))
10572 (gnus-summary-prepare)
10573 (gnus-summary-goto-subject current)
10574 (gnus-message 6 "Threading is now %s" (if gnus-show-threads "on" "off"))
10575 (gnus-summary-position-point)))
10577 (defun gnus-summary-show-all-threads ()
10578 "Show all threads."
10581 (let ((buffer-read-only nil))
10582 (subst-char-in-region (point-min) (point-max) ?\^M ?\n t)))
10583 (gnus-summary-position-point))
10585 (defun gnus-summary-show-thread ()
10586 "Show thread subtrees.
10587 Returns nil if no thread was there to be shown."
10589 (let ((buffer-read-only nil)
10591 (end (point-at-eol))
10592 ;; Leave point at bol
10593 (beg (progn (beginning-of-line) (point))))
10595 ;; Any hidden lines here?
10596 (search-forward "\r" end t)
10597 (subst-char-in-region beg end ?\^M ?\n t)
10599 (gnus-summary-position-point))))
10601 (defun gnus-summary-maybe-hide-threads ()
10602 "If requested, hide the threads that should be hidden."
10603 (when (and gnus-show-threads
10604 gnus-thread-hide-subtree)
10605 (gnus-summary-hide-all-threads
10606 (if (or (consp gnus-thread-hide-subtree)
10607 (functionp gnus-thread-hide-subtree))
10608 (gnus-make-predicate gnus-thread-hide-subtree)
10611 ;;; Hiding predicates.
10613 (defun gnus-article-unread-p (header)
10614 (memq (mail-header-number header) gnus-newsgroup-unreads))
10616 (defun gnus-article-unseen-p (header)
10617 (memq (mail-header-number header) gnus-newsgroup-unseen))
10619 (defun gnus-map-articles (predicate articles)
10620 "Map PREDICATE over ARTICLES and return non-nil if any predicate is non-nil."
10621 (apply 'gnus-or (mapcar predicate
10622 (mapcar 'gnus-summary-article-header articles))))
10624 (defun gnus-summary-hide-all-threads (&optional predicate)
10625 "Hide all thread subtrees.
10626 If PREDICATE is supplied, threads that satisfy this predicate
10627 will not be hidden."
10630 (goto-char (point-min))
10633 (when (or (not predicate)
10635 predicate (gnus-summary-article-children)))
10636 (gnus-summary-hide-thread))
10637 (setq end (not (zerop (gnus-summary-next-thread 1 t)))))))
10638 (gnus-summary-position-point))
10640 (defun gnus-summary-hide-thread ()
10641 "Hide thread subtrees.
10642 If PREDICATE is supplied, threads that satisfy this predicate
10643 will not be hidden.
10644 Returns nil if no threads were there to be hidden."
10646 (let ((buffer-read-only nil)
10648 (article (gnus-summary-article-number)))
10650 ;; Go forward until either the buffer ends or the subthread
10652 (when (and (not (eobp))
10653 (or (zerop (gnus-summary-next-thread 1 t))
10654 (goto-char (point-max))))
10656 (if (and (> (point) start)
10657 (search-backward "\n" start t))
10659 (subst-char-in-region start (point) ?\n ?\^M)
10660 (gnus-summary-goto-subject article))
10664 (defun gnus-summary-go-to-next-thread (&optional previous)
10665 "Go to the same level (or less) next thread.
10666 If PREVIOUS is non-nil, go to previous thread instead.
10667 Return the article number moved to, or nil if moving was impossible."
10668 (let ((level (gnus-summary-thread-level))
10669 (way (if previous -1 1))
10672 (while (and (not (eobp))
10673 (< level (gnus-summary-thread-level)))
10674 (forward-line way))
10681 (gnus-summary-article-number)
10682 (goto-char beg)))))
10684 (defun gnus-summary-next-thread (n &optional silent)
10685 "Go to the same level next N'th thread.
10686 If N is negative, search backward instead.
10687 Returns the difference between N and the number of skips actually
10690 If SILENT, don't output messages."
10692 (let ((backward (< n 0))
10694 (while (and (> n 0)
10695 (gnus-summary-go-to-next-thread backward))
10698 (gnus-summary-position-point))
10699 (when (and (not silent) (/= 0 n))
10700 (gnus-message 7 "No more threads"))
10703 (defun gnus-summary-prev-thread (n)
10704 "Go to the same level previous N'th thread.
10705 Returns the difference between N and the number of skips actually
10708 (gnus-summary-next-thread (- n)))
10710 (defun gnus-summary-go-down-thread ()
10711 "Go down one level in the current thread."
10712 (let ((children (gnus-summary-article-children)))
10714 (gnus-summary-goto-subject (car children)))))
10716 (defun gnus-summary-go-up-thread ()
10717 "Go up one level in the current thread."
10718 (let ((parent (gnus-summary-article-parent)))
10720 (gnus-summary-goto-subject parent))))
10722 (defun gnus-summary-down-thread (n)
10723 "Go down thread N steps.
10724 If N is negative, go up instead.
10725 Returns the difference between N and how many steps down that were
10730 (while (and (> n 0)
10731 (if up (gnus-summary-go-up-thread)
10732 (gnus-summary-go-down-thread)))
10734 (gnus-summary-position-point)
10736 (gnus-message 7 "Can't go further"))
10739 (defun gnus-summary-up-thread (n)
10740 "Go up thread N steps.
10741 If N is negative, go down instead.
10742 Returns the difference between N and how many steps down that were
10745 (gnus-summary-down-thread (- n)))
10747 (defun gnus-summary-top-thread ()
10748 "Go to the top of the thread."
10750 (while (gnus-summary-go-up-thread))
10751 (gnus-summary-article-number))
10753 (defun gnus-summary-kill-thread (&optional unmark)
10754 "Mark articles under current thread as read.
10755 If the prefix argument is positive, remove any kinds of marks.
10756 If the prefix argument is negative, tick articles instead."
10759 (setq unmark (prefix-numeric-value unmark)))
10760 (let ((articles (gnus-summary-articles-in-thread)))
10762 ;; Expand the thread.
10763 (gnus-summary-show-thread)
10764 ;; Mark all the articles.
10766 (gnus-summary-goto-subject (car articles))
10767 (cond ((null unmark)
10768 (gnus-summary-mark-article-as-read gnus-killed-mark))
10770 (gnus-summary-mark-article-as-unread gnus-unread-mark))
10772 (gnus-summary-mark-article-as-unread gnus-ticked-mark)))
10773 (setq articles (cdr articles))))
10774 ;; Hide killed subtrees.
10776 gnus-thread-hide-killed
10777 (gnus-summary-hide-thread))
10778 ;; If marked as read, go to next unread subject.
10779 (when (null unmark)
10780 ;; Go to next unread subject.
10781 (gnus-summary-next-subject 1 t)))
10782 (gnus-set-mode-line 'summary))
10784 ;; Summary sorting commands
10786 (defun gnus-summary-sort-by-number (&optional reverse)
10787 "Sort the summary buffer by article number.
10788 Argument REVERSE means reverse order."
10790 (gnus-summary-sort 'number reverse))
10792 (defun gnus-summary-sort-by-random (&optional reverse)
10793 "Randomize the order in the summary buffer.
10794 Argument REVERSE means to randomize in reverse order."
10796 (gnus-summary-sort 'random reverse))
10798 (defun gnus-summary-sort-by-author (&optional reverse)
10799 "Sort the summary buffer by author name alphabetically.
10800 If `case-fold-search' is non-nil, case of letters is ignored.
10801 Argument REVERSE means reverse order."
10803 (gnus-summary-sort 'author reverse))
10805 (defun gnus-summary-sort-by-subject (&optional reverse)
10806 "Sort the summary buffer by subject alphabetically. `Re:'s are ignored.
10807 If `case-fold-search' is non-nil, case of letters is ignored.
10808 Argument REVERSE means reverse order."
10810 (gnus-summary-sort 'subject reverse))
10812 (defun gnus-summary-sort-by-date (&optional reverse)
10813 "Sort the summary buffer by date.
10814 Argument REVERSE means reverse order."
10816 (gnus-summary-sort 'date reverse))
10818 (defun gnus-summary-sort-by-score (&optional reverse)
10819 "Sort the summary buffer by score.
10820 Argument REVERSE means reverse order."
10822 (gnus-summary-sort 'score reverse))
10824 (defun gnus-summary-sort-by-lines (&optional reverse)
10825 "Sort the summary buffer by the number of lines.
10826 Argument REVERSE means reverse order."
10828 (gnus-summary-sort 'lines reverse))
10830 (defun gnus-summary-sort-by-chars (&optional reverse)
10831 "Sort the summary buffer by article length.
10832 Argument REVERSE means reverse order."
10834 (gnus-summary-sort 'chars reverse))
10836 (defun gnus-summary-sort-by-original (&optional reverse)
10837 "Sort the summary buffer using the default sorting method.
10838 Argument REVERSE means reverse order."
10840 (let* ((buffer-read-only)
10841 (gnus-summary-prepare-hook nil))
10842 ;; We do the sorting by regenerating the threads.
10843 (gnus-summary-prepare)
10844 ;; Hide subthreads if needed.
10845 (gnus-summary-maybe-hide-threads)))
10847 (defun gnus-summary-sort (predicate reverse)
10848 "Sort summary buffer by PREDICATE. REVERSE means reverse order."
10849 (let* ((thread (intern (format "gnus-thread-sort-by-%s" predicate)))
10850 (article (intern (format "gnus-article-sort-by-%s" predicate)))
10851 (gnus-thread-sort-functions
10856 (gnus-sort-gathered-threads-function
10857 gnus-thread-sort-functions)
10858 (gnus-article-sort-functions
10862 (,article t2 t1))))
10864 (gnus-summary-prepare-hook nil))
10865 ;; We do the sorting by regenerating the threads.
10866 (gnus-summary-prepare)
10867 ;; Hide subthreads if needed.
10868 (gnus-summary-maybe-hide-threads)))
10870 ;; Summary saving commands.
10872 (defun gnus-summary-save-article (&optional n not-saved)
10873 "Save the current article using the default saver function.
10874 If N is a positive number, save the N next articles.
10875 If N is a negative number, save the N previous articles.
10876 If N is nil and any articles have been marked with the process mark,
10877 save those articles instead.
10878 The variable `gnus-default-article-saver' specifies the saver function."
10880 (let* ((articles (gnus-summary-work-articles n))
10881 (save-buffer (save-excursion
10882 (nnheader-set-temp-buffer " *Gnus Save*")))
10883 (num (length articles))
10885 (dolist (article articles)
10886 (setq header (gnus-summary-article-header article))
10887 (if (not (vectorp header))
10888 ;; This is a pseudo-article.
10889 (if (assq 'name header)
10890 (gnus-copy-file (cdr (assq 'name header)))
10891 (gnus-message 1 "Article %d is unsaveable" article))
10892 ;; This is a real article.
10893 (save-window-excursion
10894 (let ((gnus-display-mime-function nil)
10895 (gnus-article-prepare-hook nil))
10896 (gnus-summary-select-article t nil nil article)))
10898 (set-buffer save-buffer)
10900 (insert-buffer-substring gnus-original-article-buffer))
10901 (setq file (gnus-article-save save-buffer file num))
10902 (gnus-summary-remove-process-mark article)
10904 (gnus-summary-set-saved-mark article))))
10905 (gnus-kill-buffer save-buffer)
10906 (gnus-summary-position-point)
10907 (gnus-set-mode-line 'summary)
10910 (defun gnus-summary-pipe-output (&optional arg headers)
10911 "Pipe the current article to a subprocess.
10912 If N is a positive number, pipe the N next articles.
10913 If N is a negative number, pipe the N previous articles.
10914 If N is nil and any articles have been marked with the process mark,
10915 pipe those articles instead.
10916 If HEADERS (the symbolic prefix), include the headers, too."
10917 (interactive (gnus-interactive "P\ny"))
10918 (require 'gnus-art)
10919 (let ((gnus-default-article-saver 'gnus-summary-save-in-pipe)
10920 (gnus-save-all-headers (or headers gnus-save-all-headers)))
10921 (gnus-summary-save-article arg t))
10922 (let ((buffer (get-buffer "*Shell Command Output*")))
10924 (not (zerop (buffer-size buffer))))
10925 (gnus-configure-windows 'pipe))))
10927 (defun gnus-summary-save-article-mail (&optional arg)
10928 "Append the current article to an mail file.
10929 If N is a positive number, save the N next articles.
10930 If N is a negative number, save the N previous articles.
10931 If N is nil and any articles have been marked with the process mark,
10932 save those articles instead."
10934 (require 'gnus-art)
10935 (let ((gnus-default-article-saver 'gnus-summary-save-in-mail))
10936 (gnus-summary-save-article arg)))
10938 (defun gnus-summary-save-article-rmail (&optional arg)
10939 "Append the current article to an rmail file.
10940 If N is a positive number, save the N next articles.
10941 If N is a negative number, save the N previous articles.
10942 If N is nil and any articles have been marked with the process mark,
10943 save those articles instead."
10945 (require 'gnus-art)
10946 (let ((gnus-default-article-saver 'gnus-summary-save-in-rmail))
10947 (gnus-summary-save-article arg)))
10949 (defun gnus-summary-save-article-file (&optional arg)
10950 "Append the current article to a file.
10951 If N is a positive number, save the N next articles.
10952 If N is a negative number, save the N previous articles.
10953 If N is nil and any articles have been marked with the process mark,
10954 save those articles instead."
10956 (require 'gnus-art)
10957 (let ((gnus-default-article-saver 'gnus-summary-save-in-file))
10958 (gnus-summary-save-article arg)))
10960 (defun gnus-summary-write-article-file (&optional arg)
10961 "Write the current article to a file, deleting the previous file.
10962 If N is a positive number, save the N next articles.
10963 If N is a negative number, save the N previous articles.
10964 If N is nil and any articles have been marked with the process mark,
10965 save those articles instead."
10967 (require 'gnus-art)
10968 (let ((gnus-default-article-saver 'gnus-summary-write-to-file))
10969 (gnus-summary-save-article arg)))
10971 (defun gnus-summary-save-article-body-file (&optional arg)
10972 "Append the current article body to a file.
10973 If N is a positive number, save the N next articles.
10974 If N is a negative number, save the N previous articles.
10975 If N is nil and any articles have been marked with the process mark,
10976 save those articles instead."
10978 (require 'gnus-art)
10979 (let ((gnus-default-article-saver 'gnus-summary-save-body-in-file))
10980 (gnus-summary-save-article arg)))
10982 (defun gnus-summary-muttprint (&optional arg)
10983 "Print the current article using Muttprint.
10984 If N is a positive number, save the N next articles.
10985 If N is a negative number, save the N previous articles.
10986 If N is nil and any articles have been marked with the process mark,
10987 save those articles instead."
10989 (require 'gnus-art)
10990 (let ((gnus-default-article-saver 'gnus-summary-pipe-to-muttprint))
10991 (gnus-summary-save-article arg t)))
10993 (defun gnus-summary-pipe-message (program)
10994 "Pipe the current article through PROGRAM."
10995 (interactive "sProgram: ")
10996 (gnus-summary-select-article)
10997 (let ((mail-header-separator ""))
10998 (gnus-eval-in-buffer-window gnus-article-buffer
11001 (let ((start (window-start))
11003 (message-pipe-buffer-body program)
11004 (set-window-start (get-buffer-window (current-buffer)) start))))))
11006 (defun gnus-get-split-value (methods)
11007 "Return a value based on the split METHODS."
11008 (let (split-name method result match)
11011 (set-buffer gnus-original-article-buffer)
11013 (nnheader-narrow-to-headers)
11014 (while (and methods (not split-name))
11015 (goto-char (point-min))
11016 (setq method (pop methods))
11017 (setq match (car method))
11020 ;; Regular expression.
11022 (re-search-forward match nil t)))
11027 (setq result (funcall match gnus-newsgroup-name))))
11032 (setq result (eval match)))))
11033 (setq split-name (cdr method))
11034 (cond ((stringp result)
11035 (push (expand-file-name
11036 result gnus-article-save-directory)
11039 (setq split-name (append result split-name)))))))))
11040 (nreverse split-name)))
11042 (defun gnus-valid-move-group-p (group)
11043 (and (boundp group)
11044 (symbol-name group)
11045 (symbol-value group)
11046 (gnus-get-function (gnus-find-method-for-group
11047 (symbol-name group)) 'request-accept-article t)))
11049 (defun gnus-read-move-group-name (prompt default articles prefix)
11050 "Read a group name."
11051 (let* ((split-name (gnus-get-split-value gnus-move-split-methods))
11052 (minibuffer-confirm-incomplete nil) ; XEmacs
11054 (format "%s %s to:"
11056 (if (> (length articles) 1)
11057 (format "these %d articles" (length articles))
11062 (gnus-completing-read-with-default
11065 'gnus-valid-move-group-p
11067 'gnus-group-history))
11068 ((= 1 (length split-name))
11069 (gnus-completing-read-with-default
11070 (car split-name) prom
11072 'gnus-valid-move-group-p
11074 'gnus-group-history))
11076 (gnus-completing-read-with-default
11078 (mapcar 'list (nreverse split-name))
11080 'gnus-group-history))))
11081 (to-method (gnus-server-to-method (gnus-group-method to-newsgroup))))
11083 (if (or (string= to-newsgroup "")
11084 (string= to-newsgroup prefix))
11085 (setq to-newsgroup default))
11086 (unless to-newsgroup
11087 (error "No group name entered"))
11088 (or (gnus-active to-newsgroup)
11089 (gnus-activate-group to-newsgroup nil nil to-method)
11090 (if (gnus-y-or-n-p (format "No such group: %s. Create it? "
11092 (or (and (gnus-request-create-group to-newsgroup to-method)
11093 (gnus-activate-group
11094 to-newsgroup nil nil to-method)
11095 (gnus-subscribe-group to-newsgroup))
11096 (error "Couldn't create group %s" to-newsgroup)))
11097 (error "No such group: %s" to-newsgroup)))
11100 (defun gnus-summary-save-parts (type dir n &optional reverse)
11101 "Save parts matching TYPE to DIR.
11102 If REVERSE, save parts that do not match TYPE."
11104 (list (read-string "Save parts of type: "
11105 (or (car gnus-summary-save-parts-type-history)
11106 gnus-summary-save-parts-default-mime)
11107 'gnus-summary-save-parts-type-history)
11108 (setq gnus-summary-save-parts-last-directory
11109 (read-file-name "Save to directory: "
11110 gnus-summary-save-parts-last-directory
11112 current-prefix-arg))
11113 (gnus-summary-iterate n
11114 (let ((gnus-display-mime-function nil)
11115 (gnus-inhibit-treatment t))
11116 (gnus-summary-select-article))
11118 (set-buffer gnus-article-buffer)
11119 (let ((handles (or gnus-article-mime-handles
11120 (mm-dissect-buffer nil gnus-article-loose-mime)
11121 (and gnus-article-emulate-mime
11122 (mm-uu-dissect)))))
11124 (gnus-summary-save-parts-1 type dir handles reverse)
11125 (unless gnus-article-mime-handles ;; Don't destroy this case.
11126 (mm-destroy-parts handles)))))))
11128 (defun gnus-summary-save-parts-1 (type dir handle reverse)
11129 (if (stringp (car handle))
11130 (mapcar (lambda (h) (gnus-summary-save-parts-1 type dir h reverse))
11133 (not (string-match type (mm-handle-media-type handle)))
11134 (string-match type (mm-handle-media-type handle)))
11135 (let ((file (expand-file-name
11137 mm-file-name-rewrite-functions
11138 (file-name-nondirectory
11140 (mail-content-type-get
11141 (mm-handle-disposition handle) 'filename)
11142 (mail-content-type-get
11143 (mm-handle-type handle) 'name)
11144 (concat gnus-newsgroup-name
11145 "." (number-to-string
11146 (cdr gnus-article-current))))))
11148 (unless (file-exists-p file)
11149 (mm-save-part-to-file handle file))))))
11151 ;; Summary extract commands
11153 (defun gnus-summary-insert-pseudos (pslist &optional not-view)
11154 (let ((buffer-read-only nil)
11155 (article (gnus-summary-article-number))
11157 (unless (gnus-summary-goto-subject article)
11158 (error "No such article: %d" article))
11159 (gnus-summary-position-point)
11160 ;; If all commands are to be bunched up on one line, we collect
11162 (unless gnus-view-pseudos-separately
11163 (let ((ps (setq pslist (sort pslist 'gnus-pseudos<)))
11166 (setq action (cdr (assq 'action (car ps))))
11167 (setq files (list (cdr (assq 'name (car ps)))))
11168 (while (and ps (cdr ps)
11169 (string= (or action "1")
11170 (or (cdr (assq 'action (cadr ps))) "2")))
11171 (push (cdr (assq 'name (cadr ps))) files)
11172 (setcdr ps (cddr ps)))
11174 (when (not (string-match "%s" action))
11177 (when (assq 'execute (car ps))
11178 (setcdr (assq 'execute (car ps))
11179 (funcall (if (string-match "%s" action)
11186 (shell-quote-argument f)))
11188 (setq ps (cdr ps)))))
11189 (if (and gnus-view-pseudos (not not-view))
11191 (when (assq 'execute (car pslist))
11192 (gnus-execute-command (cdr (assq 'execute (car pslist)))
11193 (eq gnus-view-pseudos 'not-confirm)))
11194 (setq pslist (cdr pslist)))
11197 (setq after-article (or (cdr (assq 'article (car pslist)))
11198 (gnus-summary-article-number)))
11199 (gnus-summary-goto-subject after-article)
11202 (insert " " (file-name-nondirectory
11203 (cdr (assq 'name (car pslist))))
11204 ": " (or (cdr (assq 'execute (car pslist))) "") "\n")
11206 (forward-line -1) ; back to `b'
11207 (gnus-add-text-properties
11208 b (1- e) (list 'gnus-number gnus-reffed-article-number
11209 gnus-mouse-face-prop gnus-mouse-face))
11211 after-article gnus-reffed-article-number
11212 gnus-unread-mark b (car pslist) 0 (- e b))
11213 (setq gnus-newsgroup-unreads
11214 (gnus-add-to-sorted-list gnus-newsgroup-unreads
11215 gnus-reffed-article-number))
11216 (setq gnus-reffed-article-number (1- gnus-reffed-article-number))
11217 (setq pslist (cdr pslist)))))))
11219 (defun gnus-pseudos< (p1 p2)
11220 (let ((c1 (cdr (assq 'action p1)))
11221 (c2 (cdr (assq 'action p2))))
11222 (and c1 c2 (string< c1 c2))))
11224 (defun gnus-request-pseudo-article (props)
11225 (cond ((assq 'execute props)
11226 (gnus-execute-command (cdr (assq 'execute props)))))
11227 (let ((gnus-current-article (gnus-summary-article-number)))
11228 (gnus-run-hooks 'gnus-mark-article-hook)))
11230 (defun gnus-execute-command (command &optional automatic)
11232 (gnus-article-setup-buffer)
11233 (set-buffer gnus-article-buffer)
11234 (setq buffer-read-only nil)
11235 (let ((command (if automatic command
11236 (read-string "Command: " (cons command 0)))))
11238 (insert "$ " command "\n\n")
11239 (if gnus-view-pseudo-asynchronously
11240 (start-process "gnus-execute" (current-buffer) shell-file-name
11241 shell-command-switch command)
11242 (call-process shell-file-name nil t nil
11243 shell-command-switch command)))))
11245 ;; Summary kill commands.
11247 (defun gnus-summary-edit-global-kill (article)
11248 "Edit the \"global\" kill file."
11249 (interactive (list (gnus-summary-article-number)))
11250 (gnus-group-edit-global-kill article))
11252 (defun gnus-summary-edit-local-kill ()
11253 "Edit a local kill file applied to the current newsgroup."
11255 (setq gnus-current-headers (gnus-summary-article-header))
11256 (gnus-group-edit-local-kill
11257 (gnus-summary-article-number) gnus-newsgroup-name))
11259 ;;; Header reading.
11261 (defun gnus-read-header (id &optional header)
11262 "Read the headers of article ID and enter them into the Gnus system."
11263 (let ((group gnus-newsgroup-name)
11264 (gnus-override-method
11266 gnus-override-method
11267 (and (gnus-news-group-p gnus-newsgroup-name)
11268 (car (gnus-refer-article-methods)))))
11270 ;; First we check to see whether the header in question is already
11273 ;; This is a Message-ID.
11274 (setq header (or header (gnus-id-to-header id)))
11275 ;; This is an article number.
11276 (setq header (or header (gnus-summary-article-header id))))
11278 (not (gnus-summary-article-sparse-p (mail-header-number header))))
11279 ;; We have found the header.
11281 ;; We have to really fetch the header to this article.
11283 (set-buffer nntp-server-buffer)
11284 (when (setq where (gnus-request-head id group))
11285 (nnheader-fold-continuation-lines)
11286 (goto-char (point-max))
11288 (goto-char (point-min))
11292 ((cdr where) (cdr where))
11293 (header (mail-header-number header))
11294 (t gnus-reffed-article-number))
11296 (insert " Article retrieved.\n"))
11297 (if (or (not where)
11298 (not (setq header (car (gnus-get-newsgroup-headers nil t)))))
11299 () ; Malformed head.
11300 (unless (gnus-summary-article-sparse-p (mail-header-number header))
11301 (when (and (stringp id)
11302 (not (string= (gnus-group-real-name group)
11304 ;; If we fetched by Message-ID and the article came
11305 ;; from a different group, we fudge some bogus article
11306 ;; numbers for this article.
11307 (mail-header-set-number header gnus-reffed-article-number))
11309 (set-buffer gnus-summary-buffer)
11310 (decf gnus-reffed-article-number)
11311 (gnus-remove-header (mail-header-number header))
11312 (push header gnus-newsgroup-headers)
11313 (setq gnus-current-headers header)
11314 (push (mail-header-number header) gnus-newsgroup-limit)))
11317 (defun gnus-remove-header (number)
11318 "Remove header NUMBER from `gnus-newsgroup-headers'."
11319 (if (and gnus-newsgroup-headers
11320 (= number (mail-header-number (car gnus-newsgroup-headers))))
11321 (pop gnus-newsgroup-headers)
11322 (let ((headers gnus-newsgroup-headers))
11323 (while (and (cdr headers)
11324 (not (= number (mail-header-number (cadr headers)))))
11326 (when (cdr headers)
11327 (setcdr headers (cddr headers))))))
11330 ;;; summary highlights
11333 (defun gnus-highlight-selected-summary ()
11334 "Highlight selected article in summary buffer."
11335 ;; Added by Per Abrahamsen <amanda@iesd.auc.dk>.
11336 (when gnus-summary-selected-face
11338 (let* ((beg (point-at-bol))
11339 (end (point-at-eol))
11340 ;; Fix by Mike Dugan <dugan@bucrf16.bu.edu>.
11341 (from (if (get-text-property beg gnus-mouse-face-prop)
11343 (or (next-single-property-change
11344 beg gnus-mouse-face-prop nil end)
11349 (or (next-single-property-change
11350 from gnus-mouse-face-prop nil end)
11352 ;; If no mouse-face prop on line we will have to = from = end,
11353 ;; so we highlight the entire line instead.
11354 (when (= (+ to 2) from)
11357 (if gnus-newsgroup-selected-overlay
11358 ;; Move old overlay.
11360 gnus-newsgroup-selected-overlay from to (current-buffer))
11361 ;; Create new overlay.
11363 (setq gnus-newsgroup-selected-overlay (gnus-make-overlay from to))
11364 'face gnus-summary-selected-face))))))
11366 (defvar gnus-summary-highlight-line-cached nil)
11367 (defvar gnus-summary-highlight-line-trigger nil)
11369 (defun gnus-summary-highlight-line-0 ()
11370 (if (and (eq gnus-summary-highlight-line-trigger
11371 gnus-summary-highlight)
11372 gnus-summary-highlight-line-cached)
11373 gnus-summary-highlight-line-cached
11374 (setq gnus-summary-highlight-line-trigger gnus-summary-highlight
11375 gnus-summary-highlight-line-cached
11376 (let* ((cond (list 'cond))
11378 (list gnus-summary-highlight))
11380 (setcdr c (cons (list (caar list) (list 'quote (cdar list)))
11384 (gnus-byte-compile (list 'lambda nil cond))))))
11386 (defun gnus-summary-highlight-line ()
11387 "Highlight current line according to `gnus-summary-highlight'."
11388 (let* ((beg (point-at-bol))
11389 (article (or (gnus-summary-article-number) gnus-current-article))
11390 (score (or (cdr (assq article
11391 gnus-newsgroup-scored))
11392 gnus-summary-default-score 0))
11393 (mark (or (gnus-summary-article-mark) gnus-unread-mark))
11394 (inhibit-read-only t)
11395 (default gnus-summary-default-score)
11396 (default-high gnus-summary-default-high-score)
11397 (default-low gnus-summary-default-low-score)
11398 (uncached (and gnus-summary-use-undownloaded-faces
11399 (memq article gnus-newsgroup-undownloaded)
11400 (not (memq article gnus-newsgroup-cached)))))
11401 (let ((face (funcall (gnus-summary-highlight-line-0))))
11402 (unless (eq face (get-text-property beg 'face))
11403 (gnus-put-text-property-excluding-characters-with-faces
11404 beg (point-at-eol) 'face
11405 (setq face (if (boundp face) (symbol-value face) face)))
11406 (when gnus-summary-highlight-line-function
11407 (funcall gnus-summary-highlight-line-function article face))))))
11409 (defun gnus-update-read-articles (group unread &optional compute)
11410 "Update the list of read articles in GROUP.
11411 UNREAD is a sorted list."
11412 (let ((active (or gnus-newsgroup-active (gnus-active group)))
11413 (info (gnus-get-info group))
11416 (if (or (not info) (not active))
11417 ;; There is no info on this group if it was, in fact,
11418 ;; killed. Gnus stores no information on killed groups, so
11419 ;; there's nothing to be done.
11420 ;; One could store the information somewhere temporarily,
11421 ;; perhaps... Hmmm...
11423 ;; Remove any negative articles numbers.
11424 (while (and unread (< (car unread) 0))
11425 (setq unread (cdr unread)))
11426 ;; Remove any expired article numbers
11427 (while (and unread (< (car unread) (car active)))
11428 (setq unread (cdr unread)))
11429 ;; Compute the ranges of read articles by looking at the list of
11430 ;; unread articles.
11432 (when (/= (car unread) prev)
11433 (push (if (= prev (1- (car unread))) prev
11434 (cons prev (1- (car unread))))
11436 (setq prev (1+ (car unread)))
11437 (setq unread (cdr unread)))
11438 (when (<= prev (cdr active))
11439 (push (cons prev (cdr active)) read))
11440 (setq read (if (> (length read) 1) (nreverse read) read))
11445 ;; Propagate the read marks to the backend.
11446 (when (gnus-check-backend-function 'request-set-mark group)
11447 (let ((del (gnus-remove-from-range (gnus-info-read info) read))
11448 (add (gnus-remove-from-range read (gnus-info-read info))))
11450 (unless (gnus-check-group group)
11451 (error "Can't open server for %s" group))
11452 (gnus-request-set-mark
11453 group (delq nil (list (if add (list add 'add '(read)))
11454 (if del (list del 'del '(read))))))
11456 `(gnus-request-set-mark
11459 (if del (list del 'add '(read)))
11460 (if add (list add 'del '(read))))))))))
11461 (set-buffer gnus-group-buffer)
11462 (gnus-undo-register
11464 (gnus-info-set-marks ',info ',(gnus-info-marks info) t)
11465 (gnus-info-set-read ',info ',(gnus-info-read info))
11466 (gnus-get-unread-articles-in-group ',info
11467 (gnus-active ,group))
11468 (gnus-group-update-group ,group t)
11470 ;; Enter this list into the group info.
11471 (gnus-info-set-read info read)
11472 ;; Set the number of unread articles in gnus-newsrc-hashtb.
11473 (gnus-get-unread-articles-in-group info (gnus-active group))
11476 (defun gnus-offer-save-summaries ()
11477 "Offer to save all active summary buffers."
11479 ;; Go through all buffers and find all summaries.
11480 (dolist (buffer (buffer-list))
11481 (when (and (setq buffer (buffer-name buffer))
11482 (string-match "Summary" buffer)
11483 (with-current-buffer buffer
11484 ;; We check that this is, indeed, a summary buffer.
11485 (and (eq major-mode 'gnus-summary-mode)
11486 ;; Also make sure this isn't bogus.
11487 gnus-newsgroup-prepared
11488 ;; Also make sure that this isn't a
11489 ;; dead summary buffer.
11490 (not gnus-dead-summary-mode))))
11491 (push buffer buffers)))
11492 ;; Go through all these summary buffers and offer to save them.
11496 "Update summary buffer %s? "
11498 (switch-to-buffer buf)
11499 (gnus-summary-exit))
11502 (defun gnus-summary-setup-default-charset ()
11503 "Setup newsgroup default charset."
11504 (if (member gnus-newsgroup-name '("nndraft:delayed" "nndraft:drafts"))
11505 (setq gnus-newsgroup-charset nil)
11506 (let* ((ignored-charsets
11507 (or gnus-newsgroup-ephemeral-ignored-charsets
11509 (and gnus-newsgroup-name
11510 (gnus-parameter-ignored-charsets gnus-newsgroup-name))
11511 gnus-newsgroup-ignored-charsets))))
11512 (setq gnus-newsgroup-charset
11513 (or gnus-newsgroup-ephemeral-charset
11514 (and gnus-newsgroup-name
11515 (gnus-parameter-charset gnus-newsgroup-name))
11516 gnus-default-charset))
11517 (set (make-local-variable 'gnus-newsgroup-ignored-charsets)
11518 ignored-charsets))))
11524 (defun gnus-summary-display-buttonized (&optional show-all-parts)
11525 "Display the current article buffer fully MIME-buttonized.
11526 If SHOW-ALL-PARTS (the prefix) is non-nil, all multipart/* parts are
11527 treated as multipart/mixed."
11529 (require 'gnus-art)
11530 (let ((gnus-unbuttonized-mime-types nil)
11531 (gnus-mime-display-multipart-as-mixed show-all-parts))
11532 (gnus-summary-show-article)))
11534 (defun gnus-summary-repair-multipart (article)
11535 "Add a Content-Type header to a multipart article without one."
11536 (interactive (list (gnus-summary-article-number)))
11537 (gnus-with-article article
11538 (message-narrow-to-head)
11539 (message-remove-header "Mime-Version")
11540 (goto-char (point-max))
11541 (insert "Mime-Version: 1.0\n")
11543 (when (search-forward "\n--" nil t)
11544 (let ((separator (buffer-substring (point) (point-at-eol))))
11545 (message-narrow-to-head)
11546 (message-remove-header "Content-Type")
11547 (goto-char (point-max))
11548 (insert (format "Content-Type: multipart/mixed; boundary=\"%s\"\n"
11551 (let (gnus-mark-article-hook)
11552 (gnus-summary-select-article t t nil article)))
11554 (defun gnus-summary-toggle-display-buttonized ()
11555 "Toggle the buttonizing of the article buffer."
11557 (require 'gnus-art)
11558 (if (setq gnus-inhibit-mime-unbuttonizing
11559 (not gnus-inhibit-mime-unbuttonizing))
11560 (let ((gnus-unbuttonized-mime-types nil))
11561 (gnus-summary-show-article))
11562 (gnus-summary-show-article)))
11565 ;;; Generic summary marking commands
11568 (defvar gnus-summary-marking-alist
11569 '((read gnus-del-mark "d")
11570 (unread gnus-unread-mark "u")
11571 (ticked gnus-ticked-mark "!")
11572 (dormant gnus-dormant-mark "?")
11573 (expirable gnus-expirable-mark "e"))
11574 "An alist of names/marks/keystrokes.")
11576 (defvar gnus-summary-generic-mark-map (make-sparse-keymap))
11577 (defvar gnus-summary-mark-map)
11579 (defun gnus-summary-make-all-marking-commands ()
11580 (define-key gnus-summary-mark-map "M" gnus-summary-generic-mark-map)
11581 (dolist (elem gnus-summary-marking-alist)
11582 (apply 'gnus-summary-make-marking-command elem)))
11584 (defun gnus-summary-make-marking-command (name mark keystroke)
11585 (let ((map (make-sparse-keymap)))
11586 (define-key gnus-summary-generic-mark-map keystroke map)
11587 (dolist (lway `((next "next" next nil "n")
11588 (next-unread "next unread" next t "N")
11589 (prev "previous" prev nil "p")
11590 (prev-unread "previous unread" prev t "P")
11591 (nomove "" nil nil ,keystroke)))
11592 (let ((func (gnus-summary-make-marking-command-1
11593 mark (car lway) lway name)))
11594 (setq func (eval func))
11595 (define-key map (nth 4 lway) func)))))
11597 (defun gnus-summary-make-marking-command-1 (mark way lway name)
11599 (format "gnus-summary-put-mark-as-%s%s"
11600 name (if (eq way 'nomove)
11602 (concat "-" (symbol-name way)))))
11605 "Mark the current article as %s%s.
11606 If N, the prefix, then repeat N times.
11607 If N is negative, move in reverse order.
11608 The difference between N and the actual number of articles marked is
11612 (gnus-summary-generic-mark n ,mark ',(nth 2 lway) ,(nth 3 lway))))
11614 (defun gnus-summary-generic-mark (n mark move unread)
11615 "Mark N articles with MARK."
11616 (unless (eq major-mode 'gnus-summary-mode)
11617 (error "This command can only be used in the summary buffer"))
11618 (gnus-summary-show-thread)
11621 ((eq move 'next) 1)
11622 ((eq move 'prev) -1)
11624 (if (zerop nummove)
11628 nummove (* -1 nummove))))
11629 (while (and (> n 0)
11630 (gnus-summary-mark-article nil mark)
11631 (zerop (gnus-summary-next-subject nummove unread t)))
11634 (gnus-message 7 "No more %sarticles" (if mark "" "unread ")))
11635 (gnus-summary-recenter)
11636 (gnus-summary-position-point)
11637 (gnus-set-mode-line 'summary)
11640 (defun gnus-summary-insert-articles (articles)
11641 (when (setq articles
11642 (gnus-sorted-difference articles
11643 (mapcar (lambda (h)
11644 (mail-header-number h))
11645 gnus-newsgroup-headers)))
11646 (setq gnus-newsgroup-headers
11648 gnus-newsgroup-headers
11649 (gnus-fetch-headers articles)
11650 'gnus-article-sort-by-number))
11651 ;; Suppress duplicates?
11652 (when gnus-suppress-duplicates
11653 (gnus-dup-suppress-articles))
11655 ;; We might want to build some more threads first.
11656 (when (and gnus-fetch-old-headers
11657 (eq gnus-headers-retrieved-by 'nov))
11658 (if (eq gnus-fetch-old-headers 'invisible)
11659 (gnus-build-all-threads)
11660 (gnus-build-old-threads)))
11661 ;; Let the Gnus agent mark articles as read.
11663 (gnus-agent-get-undownloaded-list))
11664 ;; Remove list identifiers from subject
11665 (when gnus-list-identifiers
11666 (gnus-summary-remove-list-identifiers))
11667 ;; First and last article in this newsgroup.
11668 (when gnus-newsgroup-headers
11669 (setq gnus-newsgroup-begin
11670 (mail-header-number (car gnus-newsgroup-headers))
11672 (mail-header-number
11673 (gnus-last-element gnus-newsgroup-headers))))
11674 (when gnus-use-scoring
11675 (gnus-possibly-score-headers))))
11677 (defun gnus-summary-insert-old-articles (&optional all)
11678 "Insert all old articles in this group.
11679 If ALL is non-nil, already read articles become readable.
11680 If ALL is a number, fetch this number of articles."
11683 (let ((old (sort (mapcar 'car gnus-newsgroup-data) '<))
11686 ;; Some nntp servers lie about their active range. When
11687 ;; this happens, the active range can be in the millions.
11688 ;; Use a compressed range to avoid creating a huge list.
11689 (gnus-range-difference (list gnus-newsgroup-active) old))
11690 (setq len (gnus-range-length older))
11695 (let ((older-range (nreverse older)))
11699 (let* ((r (pop older-range))
11700 (min (if (numberp r) r (car r)))
11701 (max (if (numberp r) r (cdr r))))
11702 (while (and (<= min max)
11707 (setq older (gnus-uncompress-range older))))
11709 (setq older (gnus-uncompress-range older)))
11711 (when (and (numberp gnus-large-newsgroup)
11712 (> len gnus-large-newsgroup))
11713 (let* ((cursor-in-echo-area nil)
11714 (initial (gnus-parameter-large-newsgroup-initial
11715 gnus-newsgroup-name))
11719 "How many articles from %s (%s %d): "
11721 (gnus-group-decoded-name gnus-newsgroup-name) 35)
11722 (if initial "max" "default")
11725 (cons (number-to-string initial)
11727 (unless (string-match "^[ \t]*$" input)
11728 (setq all (string-to-number input))
11730 (let ((older-range (nreverse older)))
11734 (let* ((r (pop older-range))
11735 (min (if (numberp r) r (car r)))
11736 (max (if (numberp r) r (cdr r))))
11737 (while (and (<= min max)
11741 max (1- max))))))))))
11742 (setq older (gnus-uncompress-range older))))
11744 (message "No old news.")
11745 (gnus-summary-insert-articles older)
11746 (gnus-summary-limit (gnus-sorted-nunion old older))))
11747 (gnus-summary-position-point)))
11749 (defun gnus-summary-insert-new-articles ()
11750 "Insert all new articles in this group."
11753 (let ((old (sort (mapcar 'car gnus-newsgroup-data) '<))
11754 (old-active gnus-newsgroup-active)
11755 (nnmail-fetched-sources (list t))
11757 (setq gnus-newsgroup-active
11758 (gnus-activate-group gnus-newsgroup-name 'scan))
11759 (setq i (cdr gnus-newsgroup-active))
11760 (while (> i (cdr old-active))
11764 (message "No gnus is bad news")
11765 (gnus-summary-insert-articles new)
11766 (setq gnus-newsgroup-unreads
11767 (gnus-sorted-nunion gnus-newsgroup-unreads new))
11768 (gnus-summary-limit (gnus-sorted-nunion old new))))
11769 (gnus-summary-position-point)))
11771 (gnus-summary-make-all-marking-commands)
11773 (gnus-ems-redefine)
11775 (provide 'gnus-sum)
11777 (run-hooks 'gnus-sum-load-hook)
11779 ;; Local Variables:
11780 ;; coding: iso-8859-1
11783 ;;; arch-tag: 17c6748f-6d00-4d36-bf01-835c42f31235
11784 ;;; gnus-sum.el ends here