1 ;;; gnus-art.el --- article mode commands for Gnus
2 ;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002
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.
29 (eval-when-compile (require 'cl))
43 (autoload 'gnus-msg-mail "gnus-msg" nil t)
44 (autoload 'gnus-button-mailto "gnus-msg")
45 (autoload 'gnus-button-reply "gnus-msg" nil t)
47 (defgroup gnus-article nil
49 :link '(custom-manual "(gnus)The Article Buffer")
52 (defgroup gnus-article-treat nil
53 "Treating article parts."
54 :link '(custom-manual "(gnus)Article Hiding")
57 (defgroup gnus-article-hiding nil
58 "Hiding article parts."
59 :link '(custom-manual "(gnus)Article Hiding")
62 (defgroup gnus-article-highlight nil
63 "Article highlighting."
64 :link '(custom-manual "(gnus)Article Highlighting")
68 (defgroup gnus-article-signature nil
70 :link '(custom-manual "(gnus)Article Signature")
73 (defgroup gnus-article-headers nil
75 :link '(custom-manual "(gnus)Hiding Headers")
78 (defgroup gnus-article-washing nil
79 "Special commands on articles."
80 :link '(custom-manual "(gnus)Article Washing")
83 (defgroup gnus-article-emphasis nil
84 "Fontisizing articles."
85 :link '(custom-manual "(gnus)Article Fontisizing")
88 (defgroup gnus-article-saving nil
90 :link '(custom-manual "(gnus)Saving Articles")
93 (defgroup gnus-article-mime nil
94 "Worshiping the MIME wonder."
95 :link '(custom-manual "(gnus)Using MIME")
98 (defgroup gnus-article-buttons nil
99 "Pushable buttons in the article buffer."
100 :link '(custom-manual "(gnus)Article Buttons")
101 :group 'gnus-article)
103 (defgroup gnus-article-various nil
104 "Other article options."
105 :link '(custom-manual "(gnus)Misc Article")
106 :group 'gnus-article)
108 (defcustom gnus-ignored-headers
109 '("^Path:" "^Expires:" "^Date-Received:" "^References:" "^Xref:" "^Lines:"
110 "^Relay-Version:" "^Message-ID:" "^Approved:" "^Sender:" "^Received:"
111 "^X-UIDL:" "^MIME-Version:" "^Return-Path:" "^In-Reply-To:"
112 "^Content-Type:" "^Content-Transfer-Encoding:" "^X-WebTV-Signature:"
113 "^X-MimeOLE:" "^X-MSMail-Priority:" "^X-Priority:" "^X-Loop:"
114 "^X-Authentication-Warning:" "^X-MIME-Autoconverted:" "^X-Face"
115 "^X-Attribution:" "^X-Originating-IP:" "^Delivered-To:"
116 "^NNTP-[-A-Za-z]+:" "^Distribution:" "^X-no-archive:" "^X-Trace:"
117 "^X-Complaints-To:" "^X-NNTP-Posting-Host:" "^X-Orig.*:"
118 "^Abuse-Reports-To:" "^Cache-Post-Path:" "^X-Article-Creation-Date:"
119 "^X-Poster:" "^X-Mail2News-Path:" "^X-Server-Date:" "^X-Cache:"
120 "^Originator:" "^X-Problems-To:" "^X-Auth-User:" "^X-Post-Time:"
121 "^X-Admin:" "^X-UID:" "^Resent-[-A-Za-z]+:" "^X-Mailing-List:"
122 "^Precedence:" "^Original-[-A-Za-z]+:" "^X-filename:" "^X-Orcpt:"
123 "^Old-Received:" "^X-Pgp" "^X-Auth:" "^X-From-Line:"
124 "^X-Gnus-Article-Number:" "^X-Majordomo:" "^X-Url:" "^X-Sender:"
125 "^MBOX-Line" "^Priority:" "^X400-[-A-Za-z]+:"
126 "^Status:" "^X-Gnus-Mail-Source:" "^Cancel-Lock:"
127 "^X-FTN" "^X-EXP32-SerialNo:" "^Encoding:" "^Importance:"
128 "^Autoforwarded:" "^Original-Encoded-Information-Types:" "^X-Ya-Pop3:"
129 "^X-Face-Version:" "^X-Vms-To:" "^X-ML-NAME:" "^X-ML-COUNT:"
130 "^Mailing-List:" "^X-finfo:" "^X-md5sum:" "^X-md5sum-Origin:"
131 "^X-Sun-Charset:" "^X-Accept-Language:" "^X-Envelope-Sender:"
132 "^List-[A-Za-z]+:" "^X-Listprocessor-Version:"
133 "^X-Received:" "^X-Distribute:" "^X-Sequence:" "^X-Juno-Line-Breaks:"
134 "^X-Notes-Item:" "^X-MS-TNEF-Correlator:" "^x-uunet-gateway:"
135 "^X-Received:" "^Content-length:" "X-precedence:"
136 "^X-Authenticated-User:" "^X-Comment" "^X-Report:" "^X-Abuse-Info:"
137 "^X-HTTP-Proxy:" "^X-Mydeja-Info:" "^X-Copyright" "^X-No-Markup:"
138 "^X-Abuse-Info:" "^X-From_:" "^X-Accept-Language:" "^Errors-To:"
139 "^X-BeenThere:" "^X-Mailman-Version:" "^List-Help:" "^List-Post:"
140 "^List-Subscribe:" "^List-Id:" "^List-Unsubscribe:" "^List-Archive:"
141 "^X-Content-length:" "^X-Posting-Agent:" "^Original-Received:"
142 "^X-Request-PGP:" "^X-Fingerprint:" "^X-WRIEnvto:" "^X-WRIEnvfrom:"
143 "^X-Virus-Scanned:" "^X-Delivery-Agent:" "^Posted-Date:" "^X-Gateway:"
144 "^X-Local-Origin:" "^X-Local-Destination:" "^X-UserInfo1:"
146 "*All headers that start with this regexp will be hidden.
147 This variable can also be a list of regexps of headers to be ignored.
148 If `gnus-visible-headers' is non-nil, this variable will be ignored."
149 :type '(choice :custom-show nil
152 :group 'gnus-article-hiding)
154 (defcustom gnus-visible-headers
155 "^From:\\|^Newsgroups:\\|^Subject:\\|^Date:\\|^Followup-To:\\|^Reply-To:\\|^Organization:\\|^Summary:\\|^Keywords:\\|^To:\\|^[BGF]?Cc:\\|^Posted-To:\\|^Mail-Copies-To:\\|^Mail-Followup-To:\\|^Apparently-To:\\|^Gnus-Warning:\\|^Resent-From:\\|^X-Sent:"
156 "*All headers that do not match this regexp will be hidden.
157 This variable can also be a list of regexp of headers to remain visible.
158 If this variable is non-nil, `gnus-ignored-headers' will be ignored."
159 :type '(repeat :value-to-internal (lambda (widget value)
160 (custom-split-regexp-maybe value))
161 :match (lambda (widget value)
163 (widget-editable-list-match widget value)))
165 :group 'gnus-article-hiding)
167 (defcustom gnus-sorted-header-list
168 '("^From:" "^Subject:" "^Summary:" "^Keywords:" "^Newsgroups:"
169 "^Followup-To:" "^To:" "^Cc:" "^Date:" "^Organization:")
170 "*This variable is a list of regular expressions.
171 If it is non-nil, headers that match the regular expressions will
172 be placed first in the article buffer in the sequence specified by
174 :type '(repeat regexp)
175 :group 'gnus-article-hiding)
177 (defcustom gnus-boring-article-headers '(empty followup-to reply-to)
178 "Headers that are only to be displayed if they have interesting data.
179 Possible values in this list are:
181 'empty Headers with no content.
182 'newsgroups Newsgroup identical to Gnus group.
183 'to-address To identical to To-address.
184 'followup-to Followup-to identical to Newsgroups.
185 'reply-to Reply-to identical to From.
186 'date Date less than four days old.
187 'long-to To and/or Cc longer than 1024 characters.
188 'many-to Multiple To and/or Cc."
189 :type '(set (const :tag "Headers with no content." empty)
190 (const :tag "Newsgroups identical to Gnus group." newsgroups)
191 (const :tag "To identical to To-address." to-address)
192 (const :tag "Followup-to identical to Newsgroups." followup-to)
193 (const :tag "Reply-to identical to From." reply-to)
194 (const :tag "Date less than four days old." date)
195 (const :tag "To and/or Cc longer than 1024 characters." long-to)
196 (const :tag "Multiple To and/or Cc headers." many-to))
197 :group 'gnus-article-hiding)
199 (defcustom gnus-signature-separator '("^-- $" "^-- *$")
200 "Regexp matching signature separator.
201 This can also be a list of regexps. In that case, it will be checked
202 from head to tail looking for a separator. Searches will be done from
203 the end of the buffer."
204 :type '(repeat string)
205 :group 'gnus-article-signature)
207 (defcustom gnus-signature-limit nil
208 "Provide a limit to what is considered a signature.
209 If it is a number, no signature may not be longer (in characters) than
210 that number. If it is a floating point number, no signature may be
211 longer (in lines) than that number. If it is a function, the function
212 will be called without any parameters, and if it returns nil, there is
213 no signature in the buffer. If it is a string, it will be used as a
214 regexp. If it matches, the text in question is not a signature."
215 :type '(choice (integer :value 200)
217 (function :value fun)
218 (regexp :value ".*"))
219 :group 'gnus-article-signature)
221 (defcustom gnus-hidden-properties '(invisible t intangible t)
222 "Property list to use for hiding text."
224 :group 'gnus-article-hiding)
226 ;; Fixme: This isn't the right thing for mixed graphical and and
227 ;; non-graphical frames in a session.
228 (defcustom gnus-article-x-face-command
229 (if (featurep 'xemacs)
230 (if (or (gnus-image-type-available-p 'xface)
231 (gnus-image-type-available-p 'pbm))
232 'gnus-display-x-face-in-from
233 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | ee -")
234 (if (gnus-image-type-available-p 'pbm)
235 'gnus-display-x-face-in-from
236 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | \
238 "*String or function to be executed to display an X-Face header.
239 If it is a string, the command will be executed in a sub-shell
240 asynchronously. The compressed face will be piped to this command."
241 :type `(choice string
242 (function-item gnus-display-x-face-in-from)
245 :group 'gnus-article-washing)
247 (defcustom gnus-article-x-face-too-ugly nil
248 "Regexp matching posters whose face shouldn't be shown automatically."
249 :type '(choice regexp (const nil))
250 :group 'gnus-article-washing)
252 (defcustom gnus-article-banner-alist nil
253 "Banner alist for stripping.
255 ((egroups . \"^[ \\t\\n]*-------------------+\\\\( \\\\(e\\\\|Yahoo! \\\\)Groups Sponsor -+\\\\)?....\\n\\\\(.+\\n\\\\)+\"))"
257 :type '(repeat (cons symbol regexp))
258 :group 'gnus-article-washing)
260 (gnus-define-group-parameter
263 "Alist of regexps (to match group names) and banner."
264 :variable-group gnus-article-washing
266 '(choice :tag "Banner"
268 (const :tag "Remove signature" signature)
269 (symbol :tag "Item in `gnus-article-banner-alist'" none)
271 (const :tag "None" nil))
273 "If non-nil, specify how to remove `banners' from articles.
275 Symbol `signature' means to remove signatures delimited by
276 `gnus-signature-separator'. Any other symbol is used to look up a
277 regular expression to match the banner in `gnus-article-banner-alist'.
278 A string is used as a regular expression to match the banner
281 (defcustom gnus-emphasis-alist
283 "\\(\\s-\\|^\\|\\=\\|[-\"]\\|\\s(\\)\\(%s\\(\\w+\\(\\s-+\\w+\\)*[.,]?\\)%s\\)\\(\\([-,.;:!?\"]\\|\\s)\\)+\\s-\\|[?!.]\\s-\\|\\s)\\|\\s-\\)")
288 ("_/" "/_" underline-italic)
289 ("_\\*" "\\*_" underline-bold)
290 ("\\*/" "/\\*" bold-italic)
291 ("_\\*/" "/\\*_" underline-bold-italic))))
295 (format format (car spec) (cadr spec))
296 2 3 (intern (format "gnus-emphasis-%s" (nth 2 spec)))))
298 ("\\(\\s-\\|^\\)\\(_\\(\\(\\w\\|_[^_]\\)+\\)_\\)\\(\\s-\\|[?!.,;]\\)"
299 2 3 gnus-emphasis-underline)))
300 "*Alist that says how to fontify certain phrases.
301 Each item looks like this:
303 (\"_\\\\(\\\\w+\\\\)_\" 0 1 'underline)
305 The first element is a regular expression to be matched. The second
306 is a number that says what regular expression grouping used to find
307 the entire emphasized word. The third is a number that says what
308 regexp grouping should be displayed and highlighted. The fourth
309 is the face used for highlighting."
310 :type '(repeat (list :value ("" 0 0 default)
312 (integer :tag "Match group")
313 (integer :tag "Emphasize group")
315 :group 'gnus-article-emphasis)
317 (defcustom gnus-emphasize-whitespace-regexp "^[ \t]+\\|[ \t]*\n"
318 "A regexp to describe whitespace which should not be emphasized.
319 Typical values are \"^[ \\t]+\\\\|[ \\t]*\\n\" and \"[ \\t]+\\\\|[ \\t]*\\n\".
320 The former avoids underlining of leading and trailing whitespace,
321 and the latter avoids underlining any whitespace at all."
323 :group 'gnus-article-emphasis
326 (defface gnus-emphasis-bold '((t (:bold t)))
327 "Face used for displaying strong emphasized text (*word*)."
328 :group 'gnus-article-emphasis)
330 (defface gnus-emphasis-italic '((t (:italic t)))
331 "Face used for displaying italic emphasized text (/word/)."
332 :group 'gnus-article-emphasis)
334 (defface gnus-emphasis-underline '((t (:underline t)))
335 "Face used for displaying underlined emphasized text (_word_)."
336 :group 'gnus-article-emphasis)
338 (defface gnus-emphasis-underline-bold '((t (:bold t :underline t)))
339 "Face used for displaying underlined bold emphasized text (_*word*_)."
340 :group 'gnus-article-emphasis)
342 (defface gnus-emphasis-underline-italic '((t (:italic t :underline t)))
343 "Face used for displaying underlined italic emphasized text (_/word/_)."
344 :group 'gnus-article-emphasis)
346 (defface gnus-emphasis-bold-italic '((t (:bold t :italic t)))
347 "Face used for displaying bold italic emphasized text (/*word*/)."
348 :group 'gnus-article-emphasis)
350 (defface gnus-emphasis-underline-bold-italic
351 '((t (:bold t :italic t :underline t)))
352 "Face used for displaying underlined bold italic emphasized text.
353 Esample: (_/*word*/_)."
354 :group 'gnus-article-emphasis)
356 (defface gnus-emphasis-highlight-words
357 '((t (:background "black" :foreground "yellow")))
358 "Face used for displaying highlighted words."
359 :group 'gnus-article-emphasis)
361 (defcustom gnus-article-time-format "%a, %b %d %Y %T %Z"
362 "Format for display of Date headers in article bodies.
363 See `format-time-string' for the possible values.
365 The variable can also be function, which should return a complete Date
366 header. The function is called with one argument, the time, which can
367 be fed to `format-time-string'."
368 :type '(choice string symbol)
369 :link '(custom-manual "(gnus)Article Date")
370 :group 'gnus-article-washing)
373 (autoload 'mail-extract-address-components "mail-extr"))
375 (defcustom gnus-save-all-headers t
376 "*If non-nil, don't remove any headers before saving."
377 :group 'gnus-article-saving
380 (defcustom gnus-prompt-before-saving 'always
381 "*This variable says how much prompting is to be done when saving articles.
382 If it is nil, no prompting will be done, and the articles will be
383 saved to the default files. If this variable is `always', each and
384 every article that is saved will be preceded by a prompt, even when
385 saving large batches of articles. If this variable is neither nil not
386 `always', there the user will be prompted once for a file name for
387 each invocation of the saving commands."
388 :group 'gnus-article-saving
389 :type '(choice (item always)
390 (item :tag "never" nil)
391 (sexp :tag "once" :format "%t\n" :value t)))
393 (defcustom gnus-saved-headers gnus-visible-headers
394 "Headers to keep if `gnus-save-all-headers' is nil.
395 If `gnus-save-all-headers' is non-nil, this variable will be ignored.
396 If that variable is nil, however, all headers that match this regexp
397 will be kept while the rest will be deleted before saving."
398 :group 'gnus-article-saving
401 (defcustom gnus-default-article-saver 'gnus-summary-save-in-rmail
402 "A function to save articles in your favourite format.
403 The function must be interactively callable (in other words, it must
404 be an Emacs command).
406 Gnus provides the following functions:
408 * gnus-summary-save-in-rmail (Rmail format)
409 * gnus-summary-save-in-mail (Unix mail format)
410 * gnus-summary-save-in-folder (MH folder)
411 * gnus-summary-save-in-file (article format)
412 * gnus-summary-save-body-in-file (article body)
413 * gnus-summary-save-in-vm (use VM's folder format)
414 * gnus-summary-write-to-file (article format -- overwrite)."
415 :group 'gnus-article-saving
416 :type '(radio (function-item gnus-summary-save-in-rmail)
417 (function-item gnus-summary-save-in-mail)
418 (function-item gnus-summary-save-in-folder)
419 (function-item gnus-summary-save-in-file)
420 (function-item gnus-summary-save-body-in-file)
421 (function-item gnus-summary-save-in-vm)
422 (function-item gnus-summary-write-to-file)))
424 (defcustom gnus-rmail-save-name 'gnus-plain-save-name
425 "A function generating a file name to save articles in Rmail format.
426 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
427 :group 'gnus-article-saving
430 (defcustom gnus-mail-save-name 'gnus-plain-save-name
431 "A function generating a file name to save articles in Unix mail format.
432 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
433 :group 'gnus-article-saving
436 (defcustom gnus-folder-save-name 'gnus-folder-save-name
437 "A function generating a file name to save articles in MH folder.
438 The function is called with NEWSGROUP, HEADERS, and optional LAST-FOLDER."
439 :group 'gnus-article-saving
442 (defcustom gnus-file-save-name 'gnus-numeric-save-name
443 "A function generating a file name to save articles in article format.
444 The function is called with NEWSGROUP, HEADERS, and optional
446 :group 'gnus-article-saving
449 (defcustom gnus-split-methods
450 '((gnus-article-archive-name)
451 (gnus-article-nndoc-name))
452 "*Variable used to suggest where articles are to be saved.
453 For instance, if you would like to save articles related to Gnus in
454 the file \"gnus-stuff\", and articles related to VM in \"vm-stuff\",
455 you could set this variable to something like:
457 '((\"^Subject:.*gnus\\|^Newsgroups:.*gnus\" \"gnus-stuff\")
458 (\"^Subject:.*vm\\|^Xref:.*vm\" \"vm-stuff\"))
460 This variable is an alist where the where the key is the match and the
461 value is a list of possible files to save in if the match is non-nil.
463 If the match is a string, it is used as a regexp match on the
464 article. If the match is a symbol, that symbol will be funcalled
465 from the buffer of the article to be saved with the newsgroup as the
466 parameter. If it is a list, it will be evaled in the same buffer.
468 If this form or function returns a string, this string will be used as
469 a possible file name; and if it returns a non-nil list, that list will
470 be used as possible file names."
471 :group 'gnus-article-saving
472 :type '(repeat (choice (list :value (fun) function)
473 (cons :value ("" "") regexp (repeat string))
476 (defcustom gnus-page-delimiter "^\^L"
477 "*Regexp describing what to use as article page delimiters.
478 The default value is \"^\^L\", which is a form linefeed at the
479 beginning of a line."
481 :group 'gnus-article-various)
483 (defcustom gnus-article-mode-line-format "Gnus: %g [%w] %S%m"
484 "*The format specification for the article mode line.
485 See `gnus-summary-mode-line-format' for a closer description.
487 The following additional specs are available:
489 %w The article washing status.
490 %m The number of MIME parts in the article."
492 :group 'gnus-article-various)
494 (defcustom gnus-article-mode-hook nil
495 "*A hook for Gnus article mode."
497 :group 'gnus-article-various)
499 (when (featurep 'xemacs)
500 ;; Extracted from gnus-xmas-define in order to preserve user settings
501 (when (fboundp 'turn-off-scroll-in-place)
502 (add-hook 'gnus-article-mode-hook 'turn-off-scroll-in-place))
503 ;; Extracted from gnus-xmas-redefine in order to preserve user settings
504 (add-hook 'gnus-article-mode-hook 'gnus-xmas-article-menu-add))
506 (defcustom gnus-article-menu-hook nil
507 "*Hook run after the creation of the article mode menu."
509 :group 'gnus-article-various)
511 (defcustom gnus-article-prepare-hook nil
512 "*A hook called after an article has been prepared in the article buffer."
514 :group 'gnus-article-various)
516 (defcustom gnus-article-hide-pgp-hook nil
517 "*A hook called after successfully hiding a PGP signature."
519 :group 'gnus-article-various)
521 (defcustom gnus-article-button-face 'bold
522 "Face used for highlighting buttons in the article buffer.
524 An article button is a piece of text that you can activate by pressing
525 `RET' or `mouse-2' above it."
527 :group 'gnus-article-buttons)
529 (defcustom gnus-article-mouse-face 'highlight
530 "Face used for mouse highlighting in the article buffer.
532 Article buttons will be displayed in this face when the cursor is
535 :group 'gnus-article-buttons)
537 (defcustom gnus-signature-face 'gnus-signature-face
538 "Face used for highlighting a signature in the article buffer.
539 Obsolete; use the face `gnus-signature-face' for customizations instead."
541 :group 'gnus-article-highlight
542 :group 'gnus-article-signature)
544 (defface gnus-signature-face
547 "Face used for highlighting a signature in the article buffer."
548 :group 'gnus-article-highlight
549 :group 'gnus-article-signature)
551 (defface gnus-header-from-face
554 (:foreground "spring green"))
557 (:foreground "red3"))
560 "Face used for displaying from headers."
561 :group 'gnus-article-headers
562 :group 'gnus-article-highlight)
564 (defface gnus-header-subject-face
567 (:foreground "SeaGreen3"))
570 (:foreground "red4"))
572 (:bold t :italic t)))
573 "Face used for displaying subject headers."
574 :group 'gnus-article-headers
575 :group 'gnus-article-highlight)
577 (defface gnus-header-newsgroups-face
580 (:foreground "yellow" :italic t))
583 (:foreground "MidnightBlue" :italic t))
586 "Face used for displaying newsgroups headers."
587 :group 'gnus-article-headers
588 :group 'gnus-article-highlight)
590 (defface gnus-header-name-face
593 (:foreground "SeaGreen"))
596 (:foreground "maroon"))
599 "Face used for displaying header names."
600 :group 'gnus-article-headers
601 :group 'gnus-article-highlight)
603 (defface gnus-header-content-face
606 (:foreground "forest green" :italic t))
609 (:foreground "indianred4" :italic t))
611 (:italic t))) "Face used for displaying header content."
612 :group 'gnus-article-headers
613 :group 'gnus-article-highlight)
615 (defcustom gnus-header-face-alist
616 '(("From" nil gnus-header-from-face)
617 ("Subject" nil gnus-header-subject-face)
618 ("Newsgroups:.*," nil gnus-header-newsgroups-face)
619 ("" gnus-header-name-face gnus-header-content-face))
620 "*Controls highlighting of article header.
622 An alist of the form (HEADER NAME CONTENT).
624 HEADER is a regular expression which should match the name of an
625 header header and NAME and CONTENT are either face names or nil.
627 The name of each header field will be displayed using the face
628 specified by the first element in the list where HEADER match the
629 header name and NAME is non-nil. Similarly, the content will be
630 displayed by the first non-nil matching CONTENT face."
631 :group 'gnus-article-headers
632 :group 'gnus-article-highlight
633 :type '(repeat (list (regexp :tag "Header")
635 (item :tag "skip" nil)
636 (face :value default))
637 (choice :tag "Content"
638 (item :tag "skip" nil)
639 (face :value default)))))
641 (defcustom gnus-article-decode-hook
642 '(article-decode-charset article-decode-encoded-words
643 article-decode-group-name)
644 "*Hook run to decode charsets in articles."
645 :group 'gnus-article-headers
648 (defcustom gnus-display-mime-function 'gnus-display-mime
649 "Function to display MIME articles."
650 :group 'gnus-article-mime
653 (defvar gnus-decode-header-function 'mail-decode-encoded-word-region
654 "Function used to decode headers.")
656 (defvar gnus-article-dumbquotes-map
675 "Table for MS-to-Latin1 translation.")
677 (defcustom gnus-ignored-mime-types nil
678 "List of MIME types that should be ignored by Gnus."
680 :group 'gnus-article-mime
681 :type '(repeat regexp))
683 (defcustom gnus-unbuttonized-mime-types '(".*/.*")
684 "List of MIME types that should not be given buttons when rendered inline.
685 See also `gnus-buttonized-mime-types' which may override this variable."
687 :group 'gnus-article-mime
688 :type '(repeat regexp))
690 (defcustom gnus-buttonized-mime-types nil
691 "List of MIME types that should be given buttons when rendered inline.
692 If set, this variable overrides `gnus-unbuttonized-mime-types'.
693 To see e.g. security buttons you could set this to
694 `(\"multipart/signed\")'."
696 :group 'gnus-article-mime
697 :type '(repeat regexp))
699 (defcustom gnus-body-boundary-delimiter "_"
700 "String used to delimit header and body.
701 This variable is used by `gnus-article-treat-body-boundary' which can
702 be controlled by `gnus-treat-body-boundary'."
703 :group 'gnus-article-various
704 :type '(choice (item :tag "None" :value nil)
707 (defcustom gnus-picon-databases '("/usr/lib/picon" "/usr/local/faces")
708 "*Defines the location of the faces database.
709 For information on obtaining this database of pretty pictures, please
710 see http://www.cs.indiana.edu/picons/ftp/index.html"
714 (defun gnus-picons-installed-p ()
715 "Say whether picons are installed on your machine."
716 (let ((installed nil))
717 (dolist (database gnus-picon-databases)
718 (when (file-exists-p database)
722 (defcustom gnus-article-mime-part-function nil
723 "Function called with a MIME handle as the argument.
724 This is meant for people who want to do something automatic based
725 on parts -- for instance, adding Vcard info to a database."
726 :group 'gnus-article-mime
729 (defcustom gnus-mime-multipart-functions nil
730 "An alist of MIME types to functions to display them."
732 :group 'gnus-article-mime
735 (defcustom gnus-article-date-lapsed-new-header nil
736 "Whether the X-Sent and Date headers can coexist.
737 When using `gnus-treat-date-lapsed', the \"X-Sent:\" header will
738 either replace the old \"Date:\" header (if this variable is nil), or
739 be added below it (otherwise)."
741 :group 'gnus-article-headers
744 (defcustom gnus-article-mime-match-handle-function 'undisplayed-alternative
745 "Function called with a MIME handle as the argument.
746 This is meant for people who want to view first matched part.
747 For `undisplayed-alternative' (default), the first undisplayed
748 part or alternative part is used. For `undisplayed', the first
749 undisplayed part is used. For a function, the first part which
750 the function return `t' is used. For `nil', the first part is
753 :group 'gnus-article-mime
755 (item :tag "first" :value nil)
756 (item :tag "undisplayed" :value undisplayed)
757 (item :tag "undisplayed or alternative"
758 :value undisplayed-alternative)
761 (defcustom gnus-mime-action-alist
762 '(("save to file" . gnus-mime-save-part)
763 ("save and strip" . gnus-mime-save-part-and-strip)
764 ("display as text" . gnus-mime-inline-part)
765 ("view the part" . gnus-mime-view-part)
766 ("pipe to command" . gnus-mime-pipe-part)
767 ("toggle display" . gnus-article-press-button)
768 ("toggle display" . gnus-article-view-part-as-charset)
769 ("view as type" . gnus-mime-view-part-as-type)
770 ("internalize type" . gnus-mime-internalize-part)
771 ("externalize type" . gnus-mime-externalize-part))
772 "An alist of actions that run on the MIME attachment."
773 :group 'gnus-article-mime
774 :type '(repeat (cons (string :tag "name")
777 (defcustom gnus-mime-action-alist
778 '(("save to file" . gnus-mime-save-part)
779 ("display as text" . gnus-mime-inline-part)
780 ("view the part" . gnus-mime-view-part)
781 ("pipe to command" . gnus-mime-pipe-part)
782 ("toggle display" . gnus-article-press-button)
783 ("view as type" . gnus-mime-view-part-as-type)
784 ("internalize type" . gnus-mime-internalize-part)
785 ("externalize type" . gnus-mime-externalize-part))
786 "An alist of actions that run on the MIME attachment."
788 :group 'gnus-article-mime
789 :type '(repeat (cons (string :tag "name")
793 ;;; The treatment variables
796 (defvar gnus-part-display-hook nil
797 "Hook called on parts that are to receive treatment.")
799 (defvar gnus-article-treat-custom
800 '(choice (const :tag "Off" nil)
802 (const :tag "Header" head)
803 (const :tag "Last" last)
804 (integer :tag "Less")
805 (repeat :tag "Groups" regexp)
806 (sexp :tag "Predicate")))
808 (defvar gnus-article-treat-head-custom
809 '(choice (const :tag "Off" nil)
810 (const :tag "Header" head)))
812 (defvar gnus-article-treat-types '("text/plain")
815 (defvar gnus-inhibit-treatment nil
816 "Whether to inhibit treatment.")
818 (defcustom gnus-treat-highlight-signature '(or last (typep "text/x-vcard"))
819 "Highlight the signature.
820 Valid values are nil, t, `head', `last', an integer or a predicate.
821 See Info node `(gnus)Customizing Articles'."
822 :group 'gnus-article-treat
823 :type gnus-article-treat-custom)
824 (put 'gnus-treat-highlight-signature 'highlight t)
826 (defcustom gnus-treat-buttonize 100000
828 Valid values are nil, t, `head', `last', an integer or a predicate.
829 See Info node `(gnus)Customizing Articles'."
830 :group 'gnus-article-treat
831 :type gnus-article-treat-custom)
832 (put 'gnus-treat-buttonize 'highlight t)
834 (defcustom gnus-treat-buttonize-head 'head
835 "Add buttons to the head.
836 Valid values are nil, t, `head', `last', an integer or a predicate.
837 See Info node `(gnus)Customizing Articles' for details."
838 :group 'gnus-article-treat
839 :type gnus-article-treat-head-custom)
840 (put 'gnus-treat-buttonize-head 'highlight t)
842 (defcustom gnus-treat-emphasize
843 (and (or window-system
845 (>= (string-to-number emacs-version) 21))
848 Valid values are nil, t, `head', `last', an integer or a predicate.
849 See Info node `(gnus)Customizing Articles' for details."
850 :group 'gnus-article-treat
851 :type gnus-article-treat-custom)
852 (put 'gnus-treat-emphasize 'highlight t)
854 (defcustom gnus-treat-strip-cr nil
855 "Remove carriage returns.
856 Valid values are nil, t, `head', `last', an integer or a predicate.
857 See Info node `(gnus)Customizing Articles' for details."
858 :group 'gnus-article-treat
859 :type gnus-article-treat-custom)
861 (defcustom gnus-treat-leading-whitespace nil
862 "Remove leading whitespace in headers.
863 Valid values are nil, t, `head', `last', an integer or a predicate.
864 See Info node `(gnus)Customizing Articles' for details."
865 :group 'gnus-article-treat
866 :type gnus-article-treat-custom)
868 (defcustom gnus-treat-hide-headers 'head
870 Valid values are nil, t, `head', `last', an integer or a predicate.
871 See Info node `(gnus)Customizing Articles' for details."
872 :group 'gnus-article-treat
873 :type gnus-article-treat-head-custom)
875 (defcustom gnus-treat-hide-boring-headers nil
876 "Hide boring headers.
877 Valid values are nil, t, `head', `last', an integer or a predicate.
878 See Info node `(gnus)Customizing Articles' for details."
879 :group 'gnus-article-treat
880 :type gnus-article-treat-head-custom)
882 (defcustom gnus-treat-hide-signature nil
884 Valid values are nil, t, `head', `last', an integer or a predicate.
885 See Info node `(gnus)Customizing Articles' for details."
886 :group 'gnus-article-treat
887 :type gnus-article-treat-custom)
889 (defcustom gnus-treat-fill-article nil
891 Valid values are nil, t, `head', `last', an integer or a predicate.
892 See Info node `(gnus)Customizing Articles' for details."
893 :group 'gnus-article-treat
894 :type gnus-article-treat-custom)
896 (defcustom gnus-treat-hide-citation nil
898 Valid values are nil, t, `head', `last', an integer or a predicate.
899 See Info node `(gnus)Customizing Articles' for details."
900 :group 'gnus-article-treat
901 :type gnus-article-treat-custom)
903 (defcustom gnus-treat-hide-citation-maybe nil
905 Valid values are nil, t, `head', `last', an integer or a predicate.
906 See Info node `(gnus)Customizing Articles' for details."
907 :group 'gnus-article-treat
908 :type gnus-article-treat-custom)
910 (defcustom gnus-treat-strip-list-identifiers 'head
911 "Strip list identifiers from `gnus-list-identifiers`.
912 Valid values are nil, t, `head', `last', an integer or a predicate.
913 See Info node `(gnus)Customizing Articles' for details."
915 :group 'gnus-article-treat
916 :type gnus-article-treat-custom)
918 (defcustom gnus-treat-strip-pgp t
919 "Strip PGP signatures.
920 Valid values are nil, t, `head', `last', an integer or a predicate.
921 See Info node `(gnus)Customizing Articles' for details."
922 :group 'gnus-article-treat
923 :type gnus-article-treat-custom)
925 (defcustom gnus-treat-strip-pem nil
926 "Strip PEM signatures.
927 Valid values are nil, t, `head', `last', an integer or a predicate.
928 See Info node `(gnus)Customizing Articles' for details."
929 :group 'gnus-article-treat
930 :type gnus-article-treat-custom)
932 (defcustom gnus-treat-strip-banner t
933 "Strip banners from articles.
934 The banner to be stripped is specified in the `banner' group parameter.
935 Valid values are nil, t, `head', `last', an integer or a predicate.
936 See Info node `(gnus)Customizing Articles' for details."
937 :group 'gnus-article-treat
938 :type gnus-article-treat-custom)
940 (defcustom gnus-treat-highlight-headers 'head
941 "Highlight the headers.
942 Valid values are nil, t, `head', `last', an integer or a predicate.
943 See Info node `(gnus)Customizing Articles' for details."
944 :group 'gnus-article-treat
945 :type gnus-article-treat-head-custom)
946 (put 'gnus-treat-highlight-headers 'highlight t)
948 (defcustom gnus-treat-highlight-citation t
949 "Highlight cited text.
950 Valid values are nil, t, `head', `last', an integer or a predicate.
951 See Info node `(gnus)Customizing Articles' for details."
952 :group 'gnus-article-treat
953 :type gnus-article-treat-custom)
954 (put 'gnus-treat-highlight-citation 'highlight t)
956 (defcustom gnus-treat-date-ut nil
957 "Display the Date in UT (GMT).
958 Valid values are nil, t, `head', `last', an integer or a predicate.
959 See Info node `(gnus)Customizing Articles' for details."
960 :group 'gnus-article-treat
961 :type gnus-article-treat-head-custom)
963 (defcustom gnus-treat-date-local nil
964 "Display the Date in the local timezone.
965 Valid values are nil, t, `head', `last', an integer or a predicate.
966 See Info node `(gnus)Customizing Articles' for details."
967 :group 'gnus-article-treat
968 :type gnus-article-treat-head-custom)
970 (defcustom gnus-treat-date-english nil
971 "Display the Date in a format that can be read aloud in English.
972 Valid values are nil, t, `head', `last', an integer or a predicate.
973 See Info node `(gnus)Customizing Articles' for details."
974 :group 'gnus-article-treat
975 :type gnus-article-treat-head-custom)
977 (defcustom gnus-treat-date-lapsed nil
978 "Display the Date header in a way that says how much time has elapsed.
979 Valid values are nil, t, `head', `last', an integer or a predicate.
980 See Info node `(gnus)Customizing Articles' for details."
981 :group 'gnus-article-treat
982 :type gnus-article-treat-head-custom)
984 (defcustom gnus-treat-date-original nil
985 "Display the date in the original timezone.
986 Valid values are nil, t, `head', `last', an integer or a predicate.
987 See Info node `(gnus)Customizing Articles' for details."
988 :group 'gnus-article-treat
989 :type gnus-article-treat-head-custom)
991 (defcustom gnus-treat-date-iso8601 nil
992 "Display the date in the ISO8601 format.
993 Valid values are nil, t, `head', `last', an integer or a predicate.
994 See Info node `(gnus)Customizing Articles' for details."
996 :group 'gnus-article-treat
997 :type gnus-article-treat-head-custom)
999 (defcustom gnus-treat-date-user-defined nil
1000 "Display the date in a user-defined format.
1001 The format is defined by the `gnus-article-time-format' variable.
1002 Valid values are nil, t, `head', `last', an integer or a predicate.
1003 See Info node `(gnus)Customizing Articles' for details."
1004 :group 'gnus-article-treat
1005 :type gnus-article-treat-head-custom)
1007 (defcustom gnus-treat-strip-headers-in-body t
1008 "Strip the X-No-Archive header line from the beginning of the body.
1009 Valid values are nil, t, `head', `last', an integer or a predicate.
1010 See Info node `(gnus)Customizing Articles' for details."
1012 :group 'gnus-article-treat
1013 :type gnus-article-treat-custom)
1015 (defcustom gnus-treat-strip-trailing-blank-lines nil
1016 "Strip trailing blank lines.
1017 Valid values are nil, t, `head', `last', an integer or a predicate.
1018 See Info node `(gnus)Customizing Articles' for details."
1019 :group 'gnus-article-treat
1020 :type gnus-article-treat-custom)
1022 (defcustom gnus-treat-strip-leading-blank-lines nil
1023 "Strip leading blank lines.
1024 Valid values are nil, t, `head', `last', an integer or a predicate.
1025 See Info node `(gnus)Customizing Articles' for details."
1026 :group 'gnus-article-treat
1027 :type gnus-article-treat-custom)
1029 (defcustom gnus-treat-strip-multiple-blank-lines nil
1030 "Strip multiple blank lines.
1031 Valid values are nil, t, `head', `last', an integer or a predicate.
1032 See Info node `(gnus)Customizing Articles' for details."
1033 :group 'gnus-article-treat
1034 :type gnus-article-treat-custom)
1036 (defcustom gnus-treat-unfold-headers 'head
1037 "Unfold folded header lines.
1038 Valid values are nil, t, `head', `last', an integer or a predicate.
1039 See Info node `(gnus)Customizing Articles' for details."
1040 :group 'gnus-article-treat
1041 :type gnus-article-treat-custom)
1043 (defcustom gnus-treat-fold-headers nil
1045 Valid values are nil, t, `head', `last', an integer or a predicate.
1046 See Info node `(gnus)Customizing Articles' for details."
1047 :group 'gnus-article-treat
1048 :type gnus-article-treat-custom)
1050 (defcustom gnus-treat-fold-newsgroups 'head
1051 "Fold the Newsgroups and Followup-To headers.
1052 Valid values are nil, t, `head', `last', an integer or a predicate.
1053 See Info node `(gnus)Customizing Articles' for details."
1054 :group 'gnus-article-treat
1055 :type gnus-article-treat-custom)
1057 (defcustom gnus-treat-overstrike t
1058 "Treat overstrike highlighting.
1059 Valid values are nil, t, `head', `last', an integer or a predicate.
1060 See Info node `(gnus)Customizing Articles' for details."
1061 :group 'gnus-article-treat
1062 :type gnus-article-treat-custom)
1063 (put 'gnus-treat-overstrike 'highlight t)
1065 (defcustom gnus-treat-display-xface
1066 (and (or (and (fboundp 'image-type-available-p)
1067 (image-type-available-p 'xbm)
1068 (string-match "^0x" (shell-command-to-string "uncompface")))
1069 (and (featurep 'xemacs)
1072 "Display X-Face headers.
1073 Valid values are nil, t, `head', `last', an integer or a predicate.
1074 See Info node `(gnus)Customizing Articles' and Info node
1075 `(gnus)X-Face' for details."
1076 :group 'gnus-article-treat
1078 :type gnus-article-treat-head-custom)
1079 (put 'gnus-treat-display-xface 'highlight t)
1081 (defcustom gnus-treat-display-smileys
1082 (if (or (and (featurep 'xemacs)
1084 (and (fboundp 'image-type-available-p)
1085 (image-type-available-p 'pbm)))
1088 Valid values are nil, t, `head', `last', an integer or a predicate.
1089 See Info node `(gnus)Customizing Articles' and Info node
1090 `(gnus)Smileys' for details."
1091 :group 'gnus-article-treat
1093 :type gnus-article-treat-custom)
1094 (put 'gnus-treat-display-smileys 'highlight t)
1096 (defcustom gnus-treat-from-picon
1097 (if (and (gnus-image-type-available-p 'xpm)
1098 (gnus-picons-installed-p))
1100 "Display picons in the From header.
1101 Valid values are nil, t, `head', `last', an integer or a predicate.
1102 See Info node `(gnus)Customizing Articles' and Info node
1103 `(gnus)Picons' for details."
1104 :group 'gnus-article-treat
1105 :type gnus-article-treat-head-custom)
1106 (put 'gnus-treat-from-picon 'highlight t)
1108 (defcustom gnus-treat-mail-picon
1109 (if (and (gnus-image-type-available-p 'xpm)
1110 (gnus-picons-installed-p))
1112 "Display picons in To and Cc headers.
1113 Valid values are nil, t, `head', `last', an integer or a predicate.
1114 See Info node `(gnus)Customizing Articles' and Info node
1115 `(gnus)Picons' for details."
1116 :group 'gnus-article-treat
1117 :type gnus-article-treat-head-custom)
1118 (put 'gnus-treat-mail-picon 'highlight t)
1120 (defcustom gnus-treat-newsgroups-picon
1121 (if (and (gnus-image-type-available-p 'xpm)
1122 (gnus-picons-installed-p))
1124 "Display picons in the Newsgroups and Followup-To headers.
1125 Valid values are nil, t, `head', `last', an integer or a predicate.
1126 See Info node `(gnus)Customizing Articles' and Info node
1127 `(gnus)Picons' for details."
1128 :group 'gnus-article-treat
1129 :type gnus-article-treat-head-custom)
1130 (put 'gnus-treat-newsgroups-picon 'highlight t)
1132 (defcustom gnus-treat-body-boundary
1133 (if (or gnus-treat-newsgroups-picon
1134 gnus-treat-mail-picon
1135 gnus-treat-from-picon)
1137 "Draw a boundary at the end of the headers.
1138 Valid values are nil, t, `head', `last', an integer or a predicate.
1139 See Info node `(gnus)Customizing Articles' for details."
1141 :group 'gnus-article-treat
1142 :type gnus-article-treat-custom)
1144 (defcustom gnus-treat-capitalize-sentences nil
1145 "Capitalize sentence-starting words.
1146 Valid values are nil, t, `head', `last', an integer or a predicate.
1147 See Info node `(gnus)Customizing Articles' for details."
1149 :group 'gnus-article-treat
1150 :type gnus-article-treat-custom)
1152 (defcustom gnus-treat-fill-long-lines nil
1154 Valid values are nil, t, `head', `last', an integer or a predicate.
1155 See Info node `(gnus)Customizing Articles' for details."
1156 :group 'gnus-article-treat
1157 :type gnus-article-treat-custom)
1159 (defcustom gnus-treat-play-sounds nil
1161 Valid values are nil, t, `head', `last', an integer or a predicate.
1162 See Info node `(gnus)Customizing Articles' for details."
1164 :group 'gnus-article-treat
1165 :type gnus-article-treat-custom)
1167 (defcustom gnus-treat-translate nil
1168 "Translate articles from one language to another.
1169 Valid values are nil, t, `head', `last', an integer or a predicate.
1170 See Info node `(gnus)Customizing Articles' for details."
1172 :group 'gnus-article-treat
1173 :type gnus-article-treat-custom)
1175 (defcustom gnus-treat-x-pgp-sig nil
1177 To automatically treat X-PGP-Sig, set it to head.
1178 Valid values are nil, t, `head', `last', an integer or a predicate.
1179 See Info node `(gnus)Customizing Articles' for details."
1180 :group 'gnus-article-treat
1181 :group 'mime-security
1182 :type gnus-article-treat-custom)
1184 (defvar gnus-article-encrypt-protocol-alist
1185 '(("PGP" . mml2015-self-encrypt)))
1187 ;; Set to nil if more than one protocol added to
1188 ;; gnus-article-encrypt-protocol-alist.
1189 (defcustom gnus-article-encrypt-protocol "PGP"
1190 "The protocol used for encrypt articles.
1191 It is a string, such as \"PGP\". If nil, ask user."
1193 :group 'mime-security)
1195 (defcustom gnus-article-wash-function
1196 (cond ((locate-library "w3")
1197 'gnus-article-wash-html-with-w3)
1198 ((locate-library "w3m")
1199 'gnus-article-wash-html-with-w3m))
1200 "Function used for converting HTML into text."
1201 :type '(radio (function-item gnus-article-wash-html-with-w3)
1202 (function-item gnus-article-wash-html-with-w3m))
1203 :group 'gnus-article)
1205 ;;; Internal variables
1207 (defvar gnus-english-month-names
1208 '("January" "February" "March" "April" "May" "June" "July" "August"
1209 "September" "October" "November" "December"))
1211 (defvar article-goto-body-goes-to-point-min-p nil)
1212 (defvar gnus-article-wash-types nil)
1213 (defvar gnus-article-emphasis-alist nil)
1214 (defvar gnus-article-image-alist nil)
1216 (defvar gnus-article-mime-handle-alist-1 nil)
1217 (defvar gnus-treatment-function-alist
1218 '((gnus-treat-x-pgp-sig gnus-article-verify-x-pgp-sig)
1219 (gnus-treat-strip-banner gnus-article-strip-banner)
1220 (gnus-treat-strip-headers-in-body gnus-article-strip-headers-in-body)
1221 (gnus-treat-highlight-signature gnus-article-highlight-signature)
1222 (gnus-treat-buttonize gnus-article-add-buttons)
1223 (gnus-treat-fill-article gnus-article-fill-cited-article)
1224 (gnus-treat-fill-long-lines gnus-article-fill-long-lines)
1225 (gnus-treat-strip-cr gnus-article-remove-cr)
1226 (gnus-treat-date-ut gnus-article-date-ut)
1227 (gnus-treat-date-local gnus-article-date-local)
1228 (gnus-treat-date-english gnus-article-date-english)
1229 (gnus-treat-date-lapsed gnus-article-date-lapsed)
1230 (gnus-treat-date-original gnus-article-date-original)
1231 (gnus-treat-date-user-defined gnus-article-date-user)
1232 (gnus-treat-date-iso8601 gnus-article-date-iso8601)
1233 (gnus-treat-display-xface gnus-article-display-x-face)
1234 (gnus-treat-hide-headers gnus-article-maybe-hide-headers)
1235 (gnus-treat-hide-boring-headers gnus-article-hide-boring-headers)
1236 (gnus-treat-hide-signature gnus-article-hide-signature)
1237 (gnus-treat-hide-citation gnus-article-hide-citation)
1238 (gnus-treat-hide-citation-maybe gnus-article-hide-citation-maybe)
1239 (gnus-treat-strip-list-identifiers gnus-article-hide-list-identifiers)
1240 (gnus-treat-leading-whitespace gnus-article-remove-leading-whitespace)
1241 (gnus-treat-strip-pgp gnus-article-hide-pgp)
1242 (gnus-treat-strip-pem gnus-article-hide-pem)
1243 (gnus-treat-from-picon gnus-treat-from-picon)
1244 (gnus-treat-mail-picon gnus-treat-mail-picon)
1245 (gnus-treat-newsgroups-picon gnus-treat-newsgroups-picon)
1246 (gnus-treat-highlight-headers gnus-article-highlight-headers)
1247 (gnus-treat-highlight-citation gnus-article-highlight-citation)
1248 (gnus-treat-highlight-signature gnus-article-highlight-signature)
1249 (gnus-treat-strip-trailing-blank-lines
1250 gnus-article-remove-trailing-blank-lines)
1251 (gnus-treat-strip-leading-blank-lines
1252 gnus-article-strip-leading-blank-lines)
1253 (gnus-treat-strip-multiple-blank-lines
1254 gnus-article-strip-multiple-blank-lines)
1255 (gnus-treat-overstrike gnus-article-treat-overstrike)
1256 (gnus-treat-unfold-headers gnus-article-treat-unfold-headers)
1257 (gnus-treat-fold-headers gnus-article-treat-fold-headers)
1258 (gnus-treat-fold-newsgroups gnus-article-treat-fold-newsgroups)
1259 (gnus-treat-buttonize-head gnus-article-add-buttons-to-head)
1260 (gnus-treat-display-smileys gnus-treat-smiley)
1261 (gnus-treat-capitalize-sentences gnus-article-capitalize-sentences)
1262 (gnus-treat-emphasize gnus-article-emphasize)
1263 (gnus-treat-body-boundary gnus-article-treat-body-boundary)
1264 (gnus-treat-play-sounds gnus-earcon-display)))
1266 (defvar gnus-article-mime-handle-alist nil)
1267 (defvar article-lapsed-timer nil)
1268 (defvar gnus-article-current-summary nil)
1270 (defvar gnus-article-mode-syntax-table
1271 (let ((table (copy-syntax-table text-mode-syntax-table)))
1272 ;; This causes the citation match run O(2^n).
1273 ;; (modify-syntax-entry ?- "w" table)
1274 (modify-syntax-entry ?> ")" table)
1275 (modify-syntax-entry ?< "(" table)
1277 "Syntax table used in article mode buffers.
1278 Initialized from `text-mode-syntax-table.")
1280 (defvar gnus-save-article-buffer nil)
1282 (defvar gnus-article-mode-line-format-alist
1283 (nconc '((?w (gnus-article-wash-status) ?s)
1284 (?m (gnus-article-mime-part-status) ?s))
1285 gnus-summary-mode-line-format-alist))
1287 (defvar gnus-number-of-articles-to-be-saved nil)
1289 (defvar gnus-inhibit-hiding nil)
1291 ;;; Macros for dealing with the article buffer.
1293 (defmacro gnus-with-article-headers (&rest forms)
1295 (set-buffer gnus-article-buffer)
1297 (let ((buffer-read-only nil)
1298 (inhibit-point-motion-hooks t)
1299 (case-fold-search t))
1300 (article-narrow-to-head)
1303 (put 'gnus-with-article-headers 'lisp-indent-function 0)
1304 (put 'gnus-with-article-headers 'edebug-form-spec '(body))
1306 (defmacro gnus-with-article-buffer (&rest forms)
1308 (set-buffer gnus-article-buffer)
1309 (let ((buffer-read-only nil))
1312 (put 'gnus-with-article-buffer 'lisp-indent-function 0)
1313 (put 'gnus-with-article-buffer 'edebug-form-spec '(body))
1315 (defun gnus-article-goto-header (header)
1316 "Go to HEADER, which is a regular expression."
1317 (re-search-forward (concat "^\\(" header "\\):") nil t))
1319 (defsubst gnus-article-hide-text (b e props)
1320 "Set text PROPS on the B to E region, extending `intangible' 1 past B."
1321 (gnus-add-text-properties-when 'article-type nil b e props)
1322 (when (memq 'intangible props)
1324 (max (1- b) (point-min))
1325 b 'intangible (cddr (memq 'intangible props)))))
1327 (defsubst gnus-article-unhide-text (b e)
1328 "Remove hidden text properties from region between B and E."
1329 (remove-text-properties b e gnus-hidden-properties)
1330 (when (memq 'intangible gnus-hidden-properties)
1331 (put-text-property (max (1- b) (point-min))
1332 b 'intangible nil)))
1334 (defun gnus-article-hide-text-type (b e type)
1335 "Hide text of TYPE between B and E."
1336 (gnus-add-wash-type type)
1337 (gnus-article-hide-text
1338 b e (cons 'article-type (cons type gnus-hidden-properties))))
1340 (defun gnus-article-unhide-text-type (b e type)
1341 "Unhide text of TYPE between B and E."
1342 (gnus-delete-wash-type type)
1343 (remove-text-properties
1344 b e (cons 'article-type (cons type gnus-hidden-properties)))
1345 (when (memq 'intangible gnus-hidden-properties)
1346 (put-text-property (max (1- b) (point-min))
1347 b 'intangible nil)))
1349 (defun gnus-article-hide-text-of-type (type)
1350 "Hide text of TYPE in the current buffer."
1352 (let ((b (point-min))
1354 (while (setq b (text-property-any b e 'article-type type))
1355 (add-text-properties b (incf b) gnus-hidden-properties)))))
1357 (defun gnus-article-delete-text-of-type (type)
1358 "Delete text of TYPE in the current buffer."
1360 (let ((b (point-min)))
1361 (while (setq b (text-property-any b (point-max) 'article-type type))
1363 b (or (text-property-not-all b (point-max) 'article-type type)
1366 (defun gnus-article-delete-invisible-text ()
1367 "Delete all invisible text in the current buffer."
1369 (let ((b (point-min)))
1370 (while (setq b (text-property-any b (point-max) 'invisible t))
1372 b (or (text-property-not-all b (point-max) 'invisible t)
1375 (defun gnus-article-text-type-exists-p (type)
1376 "Say whether any text of type TYPE exists in the buffer."
1377 (text-property-any (point-min) (point-max) 'article-type type))
1379 (defsubst gnus-article-header-rank ()
1380 "Give the rank of the string HEADER as given by `gnus-sorted-header-list'."
1381 (let ((list gnus-sorted-header-list)
1384 (when (looking-at (car list))
1386 (setq list (cdr list))
1390 (defun article-hide-headers (&optional arg delete)
1391 "Hide unwanted headers and possibly sort them as well."
1393 ;; This function might be inhibited.
1394 (unless gnus-inhibit-hiding
1397 (let ((buffer-read-only nil)
1398 (case-fold-search t)
1399 (max (1+ (length gnus-sorted-header-list)))
1400 (ignored (when (not gnus-visible-headers)
1401 (cond ((stringp gnus-ignored-headers)
1402 gnus-ignored-headers)
1403 ((listp gnus-ignored-headers)
1404 (mapconcat 'identity gnus-ignored-headers
1407 (cond ((stringp gnus-visible-headers)
1408 gnus-visible-headers)
1409 ((and gnus-visible-headers
1410 (listp gnus-visible-headers))
1411 (mapconcat 'identity gnus-visible-headers "\\|"))))
1412 (inhibit-point-motion-hooks t)
1414 ;; First we narrow to just the headers.
1415 (article-narrow-to-head)
1416 ;; Hide any "From " lines at the beginning of (mail) articles.
1417 (while (looking-at "From ")
1420 (delete-region (point-min) (point)))
1421 ;; Then treat the rest of the header lines.
1422 ;; Then we use the two regular expressions
1423 ;; `gnus-ignored-headers' and `gnus-visible-headers' to
1424 ;; select which header lines is to remain visible in the
1426 (while (re-search-forward "^[^ \t:]*:" nil t)
1428 ;; Mark the rank of the header.
1430 (point) (1+ (point)) 'message-rank
1431 (if (or (and visible (looking-at visible))
1433 (not (looking-at ignored))))
1434 (gnus-article-header-rank)
1437 (message-sort-headers-1)
1438 (when (setq beg (text-property-any
1439 (point-min) (point-max) 'message-rank (+ 2 max)))
1440 ;; We delete the unwanted headers.
1441 (gnus-add-wash-type 'headers)
1442 (add-text-properties (point-min) (+ 5 (point-min))
1443 '(article-type headers dummy-invisible t))
1444 (delete-region beg (point-max))))))))
1446 (defun article-hide-boring-headers (&optional arg)
1447 "Toggle hiding of headers that aren't very interesting.
1448 If given a negative prefix, always show; if given a positive prefix,
1450 (interactive (gnus-article-hidden-arg))
1451 (when (and (not (gnus-article-check-hidden-text 'boring-headers arg))
1452 (not gnus-show-all-headers))
1455 (let ((buffer-read-only nil)
1456 (list gnus-boring-article-headers)
1457 (inhibit-point-motion-hooks t)
1459 (article-narrow-to-head)
1461 (setq elem (pop list))
1462 (goto-char (point-min))
1464 ;; Hide empty headers.
1466 (while (re-search-forward "^[^: \t]+:[ \t]*\n[^ \t]" nil t)
1468 (gnus-article-hide-text-type
1469 (progn (beginning-of-line) (point))
1472 (if (re-search-forward "^[^ \t]" nil t)
1476 ;; Hide boring Newsgroups header.
1477 ((eq elem 'newsgroups)
1478 (when (gnus-string-equal
1479 (gnus-fetch-field "newsgroups")
1480 (gnus-group-real-name
1481 (if (boundp 'gnus-newsgroup-name)
1484 (gnus-article-hide-header "newsgroups")))
1485 ((eq elem 'to-address)
1486 (let ((to (message-fetch-field "to"))
1488 (gnus-parameter-to-address
1489 (if (boundp 'gnus-newsgroup-name)
1490 gnus-newsgroup-name ""))))
1491 (when (and to to-address
1494 ;; only one address in To
1495 (nth 1 (mail-extract-address-components to))
1497 (gnus-article-hide-header "to"))))
1498 ((eq elem 'followup-to)
1499 (when (gnus-string-equal
1500 (message-fetch-field "followup-to")
1501 (message-fetch-field "newsgroups"))
1502 (gnus-article-hide-header "followup-to")))
1503 ((eq elem 'reply-to)
1504 (let ((from (message-fetch-field "from"))
1505 (reply-to (message-fetch-field "reply-to")))
1510 (nth 1 (mail-extract-address-components from))
1511 (nth 1 (mail-extract-address-components reply-to)))))
1512 (gnus-article-hide-header "reply-to"))))
1514 (let ((date (message-fetch-field "date")))
1516 (< (days-between (current-time-string) date)
1518 (gnus-article-hide-header "date"))))
1520 (let ((to (message-fetch-field "to"))
1521 (cc (message-fetch-field "cc")))
1522 (when (> (length to) 1024)
1523 (gnus-article-hide-header "to"))
1524 (when (> (length cc) 1024)
1525 (gnus-article-hide-header "cc"))))
1529 (goto-char (point-min))
1530 (while (re-search-forward "^to:" nil t)
1531 (setq to-count (1+ to-count)))
1532 (when (> to-count 1)
1533 (while (> to-count 0)
1534 (goto-char (point-min))
1536 (re-search-forward "^to:" nil nil to-count)
1538 (narrow-to-region (point) (point-max))
1539 (gnus-article-hide-header "to"))
1540 (setq to-count (1- to-count))))
1541 (goto-char (point-min))
1542 (while (re-search-forward "^cc:" nil t)
1543 (setq cc-count (1+ cc-count)))
1544 (when (> cc-count 1)
1545 (while (> cc-count 0)
1546 (goto-char (point-min))
1548 (re-search-forward "^cc:" nil nil cc-count)
1550 (narrow-to-region (point) (point-max))
1551 (gnus-article-hide-header "cc"))
1552 (setq cc-count (1- cc-count)))))))))))))
1554 (defun gnus-article-hide-header (header)
1556 (goto-char (point-min))
1557 (when (re-search-forward (concat "^" header ":") nil t)
1558 (gnus-article-hide-text-type
1559 (progn (beginning-of-line) (point))
1562 (if (re-search-forward "^[^ \t]" nil t)
1567 (defvar gnus-article-normalized-header-length 40
1568 "Length of normalized headers.")
1570 (defun article-normalize-headers ()
1571 "Make all header lines 40 characters long."
1573 (let ((buffer-read-only nil)
1577 (article-narrow-to-head)
1580 ((< (setq column (- (gnus-point-at-eol) (point)))
1581 gnus-article-normalized-header-length)
1583 (insert (make-string
1584 (- gnus-article-normalized-header-length column)
1586 ((> column gnus-article-normalized-header-length)
1587 (gnus-put-text-property
1589 (forward-char gnus-article-normalized-header-length)
1596 (forward-line 1))))))
1598 (defun article-treat-dumbquotes ()
1599 "Translate M****s*** sm*rtq**t*s into proper text.
1600 Note that this function guesses whether a character is a sm*rtq**t* or
1601 not, so it should only be used interactively.
1603 Sm*rtq**t*s are M****s***'s unilateral extension to the character map
1604 in an attempt to provide more quoting characters. If you see
1605 something like \\222 or \\264 where you're expecting some kind of
1606 apostrophe or quotation mark, then try this wash."
1608 (article-translate-strings gnus-article-dumbquotes-map))
1610 (defun article-translate-characters (from to)
1611 "Translate all characters in the body of the article according to FROM and TO.
1612 FROM is a string of characters to translate from; to is a string of
1613 characters to translate to."
1615 (when (article-goto-body)
1616 (let ((buffer-read-only nil)
1617 (x (make-string 225 ?x))
1619 (while (< (incf i) (length x))
1622 (while (< i (length from))
1623 (aset x (aref from i) (aref to i))
1625 (translate-region (point) (point-max) x)))))
1627 (defun article-translate-strings (map)
1628 "Translate all string in the body of the article according to MAP.
1629 MAP is an alist where the elements are on the form (\"from\" \"to\")."
1631 (when (article-goto-body)
1632 (let ((buffer-read-only nil)
1634 (while (setq elem (pop map))
1636 (while (search-forward (car elem) nil t)
1637 (replace-match (cadr elem)))))))))
1639 (defun article-treat-overstrike ()
1640 "Translate overstrikes into bold text."
1643 (when (article-goto-body)
1644 (let ((buffer-read-only nil))
1645 (while (search-forward "\b" nil t)
1646 (let ((next (char-after))
1647 (previous (char-after (- (point) 2))))
1648 ;; We do the boldification/underlining by hiding the
1649 ;; overstrikes and putting the proper text property
1653 (gnus-article-hide-text-type (- (point) 2) (point) 'overstrike)
1654 (put-text-property (point) (1+ (point)) 'face 'bold))
1656 (gnus-article-hide-text-type
1657 (1- (point)) (1+ (point)) 'overstrike)
1659 (- (point) 2) (1- (point)) 'face 'underline))
1661 (gnus-article-hide-text-type (- (point) 2) (point) 'overstrike)
1663 (point) (1+ (point)) 'face 'underline)))))))))
1665 (defun gnus-article-treat-unfold-headers ()
1666 "Unfold folded message headers.
1667 Only the headers that fit into the current window width will be
1670 (gnus-with-article-headers
1674 (mail-header-narrow-to-field)
1675 (let ((header (buffer-substring (point-min) (point-max))))
1678 (goto-char (point-min))
1679 (while (re-search-forward "[\t ]*\n[\t ]+" nil t)
1680 (replace-match " " t t)))
1681 (setq length (- (point-max) (point-min) 1)))
1682 (when (< length (window-width))
1683 (while (re-search-forward "[\t ]*\n[\t ]+" nil t)
1684 (replace-match " " t t)))
1685 (goto-char (point-max)))))))
1687 (defun gnus-article-treat-fold-headers ()
1688 "Fold message headers."
1690 (gnus-with-article-headers
1693 (mail-header-narrow-to-field)
1694 (mail-header-fold-field)
1695 (goto-char (point-max))))))
1697 (defun gnus-treat-smiley ()
1698 "Toggle display of textual emoticons (\"smileys\") as small graphical icons."
1700 (gnus-with-article-buffer
1701 (if (memq 'smiley gnus-article-wash-types)
1702 (gnus-delete-images 'smiley)
1704 (let ((images (smiley-region (point) (point-max))))
1706 (gnus-add-wash-type 'smiley)
1707 (dolist (image images)
1708 (gnus-add-image 'smiley image)))))))
1710 (defun gnus-article-remove-images ()
1711 "Remove all images from the article buffer."
1713 (gnus-with-article-buffer
1714 (dolist (elem gnus-article-image-alist)
1715 (gnus-delete-images (car elem)))))
1717 (defun gnus-article-treat-fold-newsgroups ()
1718 "Unfold folded message headers.
1719 Only the headers that fit into the current window width will be
1722 (gnus-with-article-headers
1723 (while (gnus-article-goto-header "newsgroups\\|followup-to")
1725 (mail-header-narrow-to-field)
1726 (while (re-search-forward ", *" nil t)
1727 (replace-match ", " t t))
1728 (mail-header-fold-field)
1729 (goto-char (point-max))))))
1731 (defun gnus-article-treat-body-boundary ()
1732 "Place a boundary line at the end of the headers."
1734 (when (and gnus-body-boundary-delimiter
1735 (> (length gnus-body-boundary-delimiter) 0))
1736 (gnus-with-article-headers
1737 (goto-char (point-max))
1738 (let ((start (point)))
1739 (insert "X-Boundary: ")
1740 (gnus-add-text-properties start (point) '(invisible t intangible t))
1742 (while (>= (1- (window-width)) (length str))
1743 (setq str (concat str gnus-body-boundary-delimiter)))
1744 (substring str 0 (1- (window-width))))
1747 (defun article-fill-long-lines ()
1748 "Fill lines that are wider than the window width."
1751 (let ((buffer-read-only nil)
1752 (width (window-width (get-buffer-window (current-buffer)))))
1755 (let ((adaptive-fill-mode nil)) ;Why? -sm
1758 (when (>= (current-column) (min fill-column width))
1759 (narrow-to-region (point) (gnus-point-at-bol))
1760 (fill-paragraph nil)
1761 (goto-char (point-max))
1763 (forward-line 1)))))))
1765 (defun article-capitalize-sentences ()
1766 "Capitalize the first word in each sentence."
1769 (let ((buffer-read-only nil)
1770 (paragraph-start "^[\n\^L]"))
1774 (forward-sentence)))))
1776 (defun article-remove-cr ()
1777 "Remove trailing CRs and then translate remaining CRs into LFs."
1780 (let ((buffer-read-only nil))
1781 (goto-char (point-min))
1782 (while (re-search-forward "\r+$" nil t)
1783 (replace-match "" t t))
1784 (goto-char (point-min))
1785 (while (search-forward "\r" nil t)
1786 (replace-match "\n" t t)))))
1788 (defun article-remove-trailing-blank-lines ()
1789 "Remove all trailing blank lines from the article."
1792 (let ((buffer-read-only nil))
1793 (goto-char (point-max))
1797 (while (and (not (bobp))
1798 (looking-at "^[ \t]*$")
1799 (not (gnus-annotation-in-region-p
1800 (point) (gnus-point-at-eol))))
1805 (defun article-display-x-face (&optional force)
1806 "Look for an X-Face header and display it if present."
1807 (interactive (list 'force))
1808 (let ((wash-face-p buffer-read-only)) ;; When type `W f'
1809 (gnus-with-article-headers
1810 ;; Delete the old process, if any.
1811 (when (process-status "article-x-face")
1812 (delete-process "article-x-face"))
1813 (if (memq 'xface gnus-article-wash-types)
1814 ;; We have already displayed X-Faces, so we remove them
1816 (gnus-delete-images 'xface)
1818 (let (x-faces from face grey)
1820 (when (and wash-face-p
1822 (goto-char (point-min))
1823 (not (re-search-forward
1824 "^X-Face\\(-[0-9]+\\)?:[\t ]*" nil t)))
1825 (gnus-buffer-live-p gnus-original-article-buffer))
1826 ;; If type `W f', use gnus-original-article-buffer,
1827 ;; otherwise use the current buffer because displaying
1828 ;; RFC822 parts calls this function too.
1829 (set-buffer gnus-original-article-buffer))
1831 (mail-narrow-to-head)
1832 (while (gnus-article-goto-header "x-face\\(-[0-9]+\\)?")
1833 (when (match-beginning 2)
1835 (push (mail-header-field-value) x-faces))
1836 (setq from (message-fetch-field "from"))))
1838 (let ((xpm (gnus-convert-gray-x-face-to-xpm x-faces))
1841 (setq image (gnus-create-image xpm 'xpm t))
1842 (gnus-article-goto-header "from")
1844 (insert "From: [no `from' set]\n")
1846 (gnus-add-wash-type 'xface)
1847 (gnus-add-image 'xface image)
1848 (gnus-put-image image)))
1849 ;; Sending multiple EOFs to xv doesn't work, so we only do a
1850 ;; single external face.
1851 (when (stringp gnus-article-x-face-command)
1852 (setq x-faces (list (car x-faces))))
1853 (while (and (setq face (pop x-faces))
1854 gnus-article-x-face-command
1856 ;; Check whether this face is censored.
1857 (not gnus-article-x-face-too-ugly)
1858 (and gnus-article-x-face-too-ugly from
1859 (not (string-match gnus-article-x-face-too-ugly
1861 ;; We display the face.
1862 (if (symbolp gnus-article-x-face-command)
1863 ;; The command is a lisp function, so we call it.
1864 (if (gnus-functionp gnus-article-x-face-command)
1865 (funcall gnus-article-x-face-command face)
1866 (error "%s is not a function" gnus-article-x-face-command))
1867 ;; The command is a string, so we interpret the command
1868 ;; as a, well, command, and fork it off.
1869 (let ((process-connection-type nil))
1870 (process-kill-without-query
1872 "article-x-face" nil shell-file-name shell-command-switch
1873 gnus-article-x-face-command))
1876 (process-send-region "article-x-face"
1877 (point-min) (point-max)))
1878 (process-send-eof "article-x-face"))))))))))
1880 (defun article-decode-mime-words ()
1881 "Decode all MIME-encoded words in the article."
1884 (set-buffer gnus-article-buffer)
1885 (let ((inhibit-point-motion-hooks t)
1887 (mail-parse-charset gnus-newsgroup-charset)
1888 (mail-parse-ignored-charsets
1889 (save-excursion (set-buffer gnus-summary-buffer)
1890 gnus-newsgroup-ignored-charsets)))
1891 (mail-decode-encoded-word-region (point-min) (point-max)))))
1893 (defun article-decode-charset (&optional prompt)
1894 "Decode charset-encoded text in the article.
1895 If PROMPT (the prefix), prompt for a coding system to use."
1897 (let ((inhibit-point-motion-hooks t) (case-fold-search t)
1899 (mail-parse-charset gnus-newsgroup-charset)
1900 (mail-parse-ignored-charsets
1901 (save-excursion (condition-case nil
1902 (set-buffer gnus-summary-buffer)
1904 gnus-newsgroup-ignored-charsets))
1905 ct cte ctl charset format)
1908 (article-narrow-to-head)
1909 (setq ct (message-fetch-field "Content-Type" t)
1910 cte (message-fetch-field "Content-Transfer-Encoding" t)
1911 ctl (and ct (ignore-errors
1912 (mail-header-parse-content-type ct)))
1915 (mm-read-coding-system "Charset to decode: "))
1917 (mail-content-type-get ctl 'charset)))
1918 format (and ctl (mail-content-type-get ctl 'format)))
1920 (setq cte (mail-header-strip cte)))
1921 (if (and ctl (not (string-match "/" (car ctl))))
1923 (goto-char (point-max)))
1926 (narrow-to-region (point) (point-max))
1927 (when (and (eq mail-parse-charset 'gnus-decoded)
1928 (eq (mm-body-7-or-8) '8bit))
1929 ;; The text code could have been decoded.
1930 (setq charset mail-parse-charset))
1931 (when (and (or (not ctl)
1932 (equal (car ctl) "text/plain"))
1933 (not format)) ;; article with format will decode later.
1935 charset (and cte (intern (downcase
1936 (gnus-strip-whitespace cte))))
1939 (defun article-decode-encoded-words ()
1940 "Remove encoded-word encoding from headers."
1941 (let ((inhibit-point-motion-hooks t)
1942 (mail-parse-charset gnus-newsgroup-charset)
1943 (mail-parse-ignored-charsets
1944 (save-excursion (condition-case nil
1945 (set-buffer gnus-summary-buffer)
1947 gnus-newsgroup-ignored-charsets))
1950 (article-narrow-to-head)
1951 (funcall gnus-decode-header-function (point-min) (point-max)))))
1953 (defun article-decode-group-name ()
1954 "Decode group names in `Newsgroups:'."
1955 (let ((inhibit-point-motion-hooks t)
1957 (method (gnus-find-method-for-group gnus-newsgroup-name)))
1958 (when (and (or gnus-group-name-charset-method-alist
1959 gnus-group-name-charset-group-alist)
1960 (gnus-buffer-live-p gnus-original-article-buffer))
1961 (when (nnmail-fetch-field "Newsgroups")
1962 (nnheader-replace-header "Newsgroups"
1963 (gnus-decode-newsgroups
1964 (with-current-buffer
1965 gnus-original-article-buffer
1966 (nnmail-fetch-field "Newsgroups"))
1967 gnus-newsgroup-name method)))
1968 (when (nnmail-fetch-field "Followup-To")
1969 (nnheader-replace-header "Followup-To"
1970 (gnus-decode-newsgroups
1971 (with-current-buffer
1972 gnus-original-article-buffer
1973 (nnmail-fetch-field "Followup-To"))
1974 gnus-newsgroup-name method))))))
1976 (defun article-de-quoted-unreadable (&optional force read-charset)
1977 "Translate a quoted-printable-encoded article.
1978 If FORCE, decode the article whether it is marked as quoted-printable
1980 If READ-CHARSET, ask for a coding system."
1981 (interactive (list 'force current-prefix-arg))
1983 (let ((buffer-read-only nil) type charset)
1984 (if (gnus-buffer-live-p gnus-original-article-buffer)
1985 (with-current-buffer gnus-original-article-buffer
1987 (gnus-fetch-field "content-transfer-encoding"))
1988 (let* ((ct (gnus-fetch-field "content-type"))
1991 (mail-header-parse-content-type ct)))))
1992 (setq charset (and ctl
1993 (mail-content-type-get ctl 'charset)))
1994 (if (stringp charset)
1995 (setq charset (intern (downcase charset)))))))
1997 (setq charset (mm-read-coding-system "Charset: " charset)))
1999 (setq charset gnus-newsgroup-charset))
2001 (and type (let ((case-fold-search t))
2002 (string-match "quoted-printable" type))))
2004 (quoted-printable-decode-region
2005 (point) (point-max) (mm-charset-to-coding-system charset))))))
2007 (defun article-de-base64-unreadable (&optional force read-charset)
2008 "Translate a base64 article.
2009 If FORCE, decode the article whether it is marked as base64 not.
2010 If READ-CHARSET, ask for a coding system."
2011 (interactive (list 'force current-prefix-arg))
2013 (let ((buffer-read-only nil) type charset)
2014 (if (gnus-buffer-live-p gnus-original-article-buffer)
2015 (with-current-buffer gnus-original-article-buffer
2017 (gnus-fetch-field "content-transfer-encoding"))
2018 (let* ((ct (gnus-fetch-field "content-type"))
2021 (mail-header-parse-content-type ct)))))
2022 (setq charset (and ctl
2023 (mail-content-type-get ctl 'charset)))
2024 (if (stringp charset)
2025 (setq charset (intern (downcase charset)))))))
2027 (setq charset (mm-read-coding-system "Charset: " charset)))
2029 (setq charset gnus-newsgroup-charset))
2031 (and type (let ((case-fold-search t))
2032 (string-match "base64" type))))
2035 (narrow-to-region (point) (point-max))
2036 (base64-decode-region (point-min) (point-max))
2037 (mm-decode-coding-region
2038 (point-min) (point-max) (mm-charset-to-coding-system charset)))))))
2043 (defun article-decode-HZ ()
2044 "Translate a HZ-encoded article."
2048 (let ((buffer-read-only nil))
2049 (rfc1843-decode-region (point-min) (point-max)))))
2051 (defun article-wash-html (&optional read-charset)
2052 "Format an html article.
2053 If READ-CHARSET, ask for a coding system."
2056 (let ((buffer-read-only nil)
2058 (if (gnus-buffer-live-p gnus-original-article-buffer)
2059 (with-current-buffer gnus-original-article-buffer
2060 (let* ((ct (gnus-fetch-field "content-type"))
2063 (mail-header-parse-content-type ct)))))
2064 (setq charset (and ctl
2065 (mail-content-type-get ctl 'charset)))
2066 (if (stringp charset)
2067 (setq charset (intern (downcase charset)))))))
2069 (setq charset (mm-read-coding-system "Charset: " charset)))
2071 (setq charset gnus-newsgroup-charset))
2073 (save-window-excursion
2075 (narrow-to-region (point) (point-max))
2076 (funcall gnus-article-wash-function))))))
2078 (defun gnus-article-wash-html-with-w3 ()
2079 "Wash the current buffer with w3."
2081 (let ((w3-strict-width (window-width))
2082 (url-standalone-mode t)
2083 (w3-honor-stylesheets nil)
2084 (w3-delay-image-loads t))
2086 (w3-region (point-min) (point-max))
2089 (defun gnus-article-wash-html-with-w3m ()
2090 "Wash the current buffer with emacs-w3m."
2093 (narrow-to-region (point) (point-max))
2094 (let ((w3m-safe-url-regexp (if mm-inline-text-html-with-images
2097 (w3m-display-inline-images mm-inline-text-html-with-images)
2098 w3m-force-redisplay)
2099 (w3m-region (point-min) (point-max)))
2100 (when mm-inline-text-html-with-w3m-keymap
2101 (add-text-properties
2102 (point-min) (point-max)
2103 (append '(mm-inline-text-html-with-w3m t)
2104 (gnus-local-map-property mm-w3m-mode-map))))))
2106 (defun article-hide-list-identifiers ()
2107 "Remove list identifies from the Subject header.
2108 The `gnus-list-identifiers' variable specifies what to do."
2110 (let ((inhibit-point-motion-hooks t)
2111 (regexp (if (consp gnus-list-identifiers)
2112 (mapconcat 'identity gnus-list-identifiers " *\\|")
2113 gnus-list-identifiers))
2118 (article-narrow-to-head)
2119 (goto-char (point-min))
2120 (while (re-search-forward
2121 (concat "^Subject: +\\(R[Ee]: +\\)*\\(" regexp " *\\)")
2123 (delete-region (match-beginning 2) (match-end 0))
2124 (beginning-of-line))
2125 (when (re-search-forward
2126 "^Subject: +\\(\\(R[Ee]: +\\)+\\)R[Ee]: +" nil t)
2127 (delete-region (match-beginning 1) (match-end 1))))))))
2129 (defun article-hide-pgp ()
2130 "Remove any PGP headers and signatures in the current article."
2134 (let ((inhibit-point-motion-hooks t)
2135 buffer-read-only beg end)
2137 ;; Hide the "header".
2138 (when (re-search-forward "^-----BEGIN PGP SIGNED MESSAGE-----\n" nil t)
2139 (gnus-add-wash-type 'pgp)
2140 (delete-region (match-beginning 0) (match-end 0))
2141 ;; Remove armor headers (rfc2440 6.2)
2142 (delete-region (point) (or (re-search-forward "^[ \t]*\n" nil t)
2145 ;; Hide the actual signature.
2146 (and (search-forward "\n-----BEGIN PGP SIGNATURE-----\n" nil t)
2147 (setq end (1+ (match-beginning 0)))
2150 (if (search-forward "\n-----END PGP SIGNATURE-----\n" nil t)
2152 ;; Perhaps we shouldn't hide to the end of the buffer
2153 ;; if there is no end to the signature?
2155 ;; Hide "- " PGP quotation markers.
2157 (narrow-to-region beg end)
2158 (goto-char (point-min))
2159 (while (re-search-forward "^- " nil t)
2161 (match-beginning 0) (match-end 0)))
2163 (gnus-run-hooks 'gnus-article-hide-pgp-hook))))))
2165 (defun article-hide-pem (&optional arg)
2166 "Toggle hiding of any PEM headers and signatures in the current article.
2167 If given a negative prefix, always show; if given a positive prefix,
2169 (interactive (gnus-article-hidden-arg))
2170 (unless (gnus-article-check-hidden-text 'pem arg)
2172 (let (buffer-read-only end)
2173 (goto-char (point-min))
2174 ;; Hide the horrendously ugly "header".
2175 (when (and (search-forward
2176 "\n-----BEGIN PRIVACY-ENHANCED MESSAGE-----\n"
2178 (setq end (1+ (match-beginning 0))))
2179 (gnus-add-wash-type 'pem)
2180 (gnus-article-hide-text-type
2182 (if (search-forward "\n\n" nil t)
2186 ;; Hide the trailer as well
2187 (when (search-forward "\n-----END PRIVACY-ENHANCED MESSAGE-----\n"
2189 (gnus-article-hide-text-type
2190 (match-beginning 0) (match-end 0) 'pem)))))))
2192 (defun article-strip-banner ()
2193 "Strip the banner specified by the `banner' group parameter."
2197 (let ((inhibit-point-motion-hooks t)
2198 (banner (gnus-parameter-banner gnus-newsgroup-name))
2199 (gnus-signature-limit nil)
2200 buffer-read-only beg end)
2204 ((eq banner 'signature)
2205 (when (gnus-article-narrow-to-signature)
2208 (delete-region (point) (point-max))))
2210 (if (setq banner (cdr (assq banner gnus-article-banner-alist)))
2211 (while (re-search-forward banner nil t)
2212 (delete-region (match-beginning 0) (match-end 0)))))
2214 (while (re-search-forward banner nil t)
2215 (delete-region (match-beginning 0) (match-end 0))))))))))
2217 (defun article-babel ()
2218 "Translate article using an online translation service."
2222 (set-buffer gnus-article-buffer)
2223 (when (article-goto-body)
2224 (let* ((buffer-read-only nil)
2227 (orig (buffer-substring start end))
2228 (trans (babel-as-string orig)))
2230 (narrow-to-region start end)
2231 (delete-region start end)
2234 (defun article-hide-signature (&optional arg)
2235 "Hide the signature in the current article.
2236 If given a negative prefix, always show; if given a positive prefix,
2238 (interactive (gnus-article-hidden-arg))
2239 (unless (gnus-article-check-hidden-text 'signature arg)
2242 (let ((buffer-read-only nil))
2243 (when (gnus-article-narrow-to-signature)
2244 (gnus-article-hide-text-type
2245 (point-min) (point-max) 'signature))))))
2246 (gnus-set-mode-line 'article))
2248 (defun article-strip-headers-in-body ()
2249 "Strip offensive headers from bodies."
2253 (let ((case-fold-search t))
2254 (when (looking-at "x-no-archive:")
2255 (gnus-delete-line)))))
2257 (defun article-strip-leading-blank-lines ()
2258 "Remove all blank lines from the beginning of the article."
2261 (let ((inhibit-point-motion-hooks t)
2263 (when (article-goto-body)
2264 (while (and (not (eobp))
2265 (looking-at "[ \t]*$"))
2266 (gnus-delete-line))))))
2268 (defun article-narrow-to-head ()
2269 "Narrow the buffer to the head of the message.
2270 Point is left at the beginning of the narrowed-to region."
2272 (goto-char (point-min))
2273 (if (search-forward "\n\n" nil 1)
2276 (goto-char (point-min)))
2278 (defun article-goto-body ()
2279 "Place point at the start of the body."
2280 (goto-char (point-min))
2282 ;; This variable is only bound when dealing with separate
2284 (article-goto-body-goes-to-point-min-p
2286 ((search-forward "\n\n" nil t)
2289 (goto-char (point-max))
2292 (defun article-strip-multiple-blank-lines ()
2293 "Replace consecutive blank lines with one empty line."
2296 (let ((inhibit-point-motion-hooks t)
2298 ;; First make all blank lines empty.
2300 (while (re-search-forward "^[ \t]+$" nil t)
2301 (unless (gnus-annotation-in-region-p
2302 (match-beginning 0) (match-end 0))
2303 (replace-match "" nil t)))
2304 ;; Then replace multiple empty lines with a single empty line.
2306 (while (re-search-forward "\n\n\\(\n+\\)" nil t)
2307 (unless (gnus-annotation-in-region-p
2308 (match-beginning 0) (match-end 0))
2309 (delete-region (match-beginning 1) (match-end 1)))))))
2311 (defun article-strip-leading-space ()
2312 "Remove all white space from the beginning of the lines in the article."
2315 (let ((inhibit-point-motion-hooks t)
2318 (while (re-search-forward "^[ \t]+" nil t)
2319 (replace-match "" t t)))))
2321 (defun article-strip-trailing-space ()
2322 "Remove all white space from the end of the lines in the article."
2325 (let ((inhibit-point-motion-hooks t)
2328 (while (re-search-forward "[ \t]+$" nil t)
2329 (replace-match "" t t)))))
2331 (defun article-strip-blank-lines ()
2332 "Strip leading, trailing and multiple blank lines."
2334 (article-strip-leading-blank-lines)
2335 (article-remove-trailing-blank-lines)
2336 (article-strip-multiple-blank-lines))
2338 (defun article-strip-all-blank-lines ()
2339 "Strip all blank lines."
2342 (let ((inhibit-point-motion-hooks t)
2345 (while (re-search-forward "^[ \t]*\n" nil t)
2346 (replace-match "" t t)))))
2348 (defun gnus-article-narrow-to-signature ()
2349 "Narrow to the signature; return t if a signature is found, else nil."
2350 (let ((inhibit-point-motion-hooks t))
2351 (when (gnus-article-search-signature)
2353 ;; Check whether we have some limits to what we consider
2354 ;; to be a signature.
2355 (let ((limits (if (listp gnus-signature-limit) gnus-signature-limit
2356 (list gnus-signature-limit)))
2358 (while (setq limit (pop limits))
2359 (if (or (and (integerp limit)
2360 (< (- (point-max) (point)) limit))
2362 (< (count-lines (point) (point-max)) limit))
2363 (and (gnus-functionp limit)
2365 (and (stringp limit)
2366 (not (re-search-forward limit nil t))))
2367 () ; This limit did not succeed.
2371 (narrow-to-region (point) (point-max))
2374 (defun gnus-article-search-signature ()
2375 "Search the current buffer for the signature separator.
2376 Put point at the beginning of the signature separator."
2377 (let ((cur (point)))
2378 (goto-char (point-max))
2379 (if (if (stringp gnus-signature-separator)
2380 (re-search-backward gnus-signature-separator nil t)
2381 (let ((seps gnus-signature-separator))
2383 (not (re-search-backward (car seps) nil t)))
2390 (defun gnus-article-hidden-arg ()
2391 "Return the current prefix arg as a number, or 0 if no prefix."
2392 (list (if current-prefix-arg
2393 (prefix-numeric-value current-prefix-arg)
2396 (defun gnus-article-check-hidden-text (type arg)
2397 "Return nil if hiding is necessary.
2398 Arg can be nil or a number. nil and positive means hide, negative
2399 means show, 0 means toggle."
2402 (let ((hide (gnus-article-hidden-text-p type)))
2408 (gnus-article-show-hidden-text type)
2411 (if (eq hide 'hidden)
2413 (gnus-article-show-hidden-text type)
2417 (defun gnus-article-hidden-text-p (type)
2418 "Say whether the current buffer contains hidden text of type TYPE."
2419 (let ((pos (text-property-any (point-min) (point-max) 'article-type type)))
2421 (not (get-text-property pos 'invisible))
2422 (not (get-text-property pos 'dummy-invisible)))
2424 (text-property-any (1+ pos) (point-max) 'article-type type)))
2429 (defun gnus-article-show-hidden-text (type &optional dummy)
2430 "Show all hidden text of type TYPE.
2431 Originally it is hide instead of DUMMY."
2432 (let ((buffer-read-only nil)
2433 (inhibit-point-motion-hooks t))
2434 (gnus-remove-text-properties-when
2436 (point-min) (point-max)
2437 (cons 'article-type (cons type
2438 gnus-hidden-properties)))
2439 (gnus-delete-wash-type type)))
2441 (defconst article-time-units
2442 `((year . ,(* 365.25 24 60 60))
2443 (week . ,(* 7 24 60 60))
2444 (day . ,(* 24 60 60))
2448 "Mapping from time units to seconds.")
2450 (defun article-date-ut (&optional type highlight header)
2451 "Convert DATE date to universal time in the current article.
2452 If TYPE is `local', convert to local time; if it is `lapsed', output
2453 how much time has lapsed since DATE. For `lapsed', the value of
2454 `gnus-article-date-lapsed-new-header' says whether the \"X-Sent:\" header
2455 should replace the \"Date:\" one, or should be added below it."
2456 (interactive (list 'ut t))
2457 (let* ((header (or header
2458 (message-fetch-field "date")
2460 (tdate-regexp "^Date:[ \t]\\|^X-Sent:[ \t]")
2463 ((not gnus-article-date-lapsed-new-header)
2469 (date (if (vectorp header) (mail-header-date header)
2471 (inhibit-point-motion-hooks t)
2476 (article-narrow-to-head)
2477 (when (re-search-forward tdate-regexp nil t)
2478 (setq bface (get-text-property (gnus-point-at-bol) 'face)
2479 date (or (get-text-property (gnus-point-at-bol)
2482 eface (get-text-property (1- (gnus-point-at-eol)) 'face))
2484 (when (and date (not (string= date "")))
2485 (goto-char (point-min))
2486 (let ((buffer-read-only nil))
2487 ;; Delete any old Date headers.
2488 (while (re-search-forward date-regexp nil t)
2490 (delete-region (progn (beginning-of-line) (point))
2491 (progn (forward-line 1) (point)))
2492 (delete-region (progn (beginning-of-line) (point))
2493 (progn (end-of-line) (point)))
2494 (setq pos (point))))
2495 (when (and (not pos) (re-search-forward tdate-regexp nil t))
2497 (if pos (goto-char pos))
2498 (insert (article-make-date-line date (or type 'ut)))
2504 (when (looking-at "\\([^:]+\\): *\\(.*\\)$")
2505 (put-text-property (match-beginning 1) (1+ (match-end 1))
2506 'original-date date)
2507 (put-text-property (match-beginning 1) (1+ (match-end 1))
2509 (put-text-property (match-beginning 2) (match-end 2)
2512 (defun article-make-date-line (date type)
2513 "Return a DATE line of TYPE."
2514 (unless (memq type '(local ut original user iso8601 lapsed english))
2515 (error "Unknown conversion type: %s" type))
2517 (let ((time (date-to-time date)))
2519 ;; Convert to the local timezone.
2521 (let ((tz (car (current-time-zone time))))
2522 (format "Date: %s %s%02d%02d" (current-time-string time)
2523 (if (> tz 0) "+" "-") (/ (abs tz) 3600)
2524 (/ (% (abs tz) 3600) 60))))
2525 ;; Convert to Universal Time.
2528 (current-time-string
2529 (let* ((e (parse-time-string date))
2530 (tm (apply 'encode-time e))
2532 (ls (- (cadr tm) (car (current-time-zone time)))))
2533 (cond ((< ls 0) (list (1- ms) (+ ls 65536)))
2534 ((> ls 65535) (list (1+ ms) (- ls 65536)))
2537 ;; Get the original date from the article.
2538 ((eq type 'original)
2539 (concat "Date: " (if (string-match "\n+$" date)
2540 (substring date 0 (match-beginning 0))
2542 ;; Let the user define the format.
2544 (if (gnus-functionp gnus-article-time-format)
2545 (funcall gnus-article-time-format time)
2548 (format-time-string gnus-article-time-format time))))
2551 (let ((tz (car (current-time-zone time))))
2554 (format-time-string "%Y%m%dT%H%M%S" time)
2555 (format "%s%02d%02d"
2556 (if (> tz 0) "+" "-") (/ (abs tz) 3600)
2557 (/ (% (abs tz) 3600) 60)))))
2558 ;; Do an X-Sent lapsed format.
2560 ;; If the date is seriously mangled, the timezone functions are
2561 ;; liable to bug out, so we ignore all errors.
2562 (let* ((now (current-time))
2563 (real-time (subtract-time now time))
2564 (real-sec (and real-time
2565 (+ (* (float (car real-time)) 65536)
2567 (sec (and real-time (abs real-sec)))
2577 ;; This is a bit convoluted, but basically we go
2578 ;; through the time units for years, weeks, etc,
2579 ;; and divide things to see whether that results
2580 ;; in positive answers.
2583 (if (zerop (setq num (ffloor (/ sec (cdr unit)))))
2584 ;; The (remaining) seconds are too few to
2585 ;; be divided into this time unit.
2587 ;; It's big enough, so we output it.
2588 (setq sec (- sec (* num (cdr unit))))
2590 (concat (if prev ", " "") (int-to-string
2592 " " (symbol-name (car unit))
2593 (if (> num 1) "s" ""))
2595 article-time-units "")
2596 ;; If dates are odd, then it might appear like the
2597 ;; article was sent in the future.
2600 " in the future"))))))
2601 ;; Display the date in proper English
2603 (let ((dtime (decode-time time)))
2606 (number-to-string (nth 3 dtime))
2607 (let ((digit (% (nth 3 dtime) 10)))
2609 ((memq (nth 3 dtime) '(11 12 13)) "th")
2615 (nth (1- (nth 4 dtime)) gnus-english-month-names)
2617 (number-to-string (nth 5 dtime))
2619 (format "%02d" (nth 2 dtime))
2621 (format "%02d" (nth 1 dtime)))))))
2623 (format "Date: %s (from Oort)" date))))
2625 (defun article-date-local (&optional highlight)
2626 "Convert the current article date to the local timezone."
2627 (interactive (list t))
2628 (article-date-ut 'local highlight))
2630 (defun article-date-english (&optional highlight)
2631 "Convert the current article date to something that is proper English."
2632 (interactive (list t))
2633 (article-date-ut 'english highlight))
2635 (defun article-date-original (&optional highlight)
2636 "Convert the current article date to what it was originally.
2637 This is only useful if you have used some other date conversion
2638 function and want to see what the date was before converting."
2639 (interactive (list t))
2640 (article-date-ut 'original highlight))
2642 (defun article-date-lapsed (&optional highlight)
2643 "Convert the current article date to time lapsed since it was sent."
2644 (interactive (list t))
2645 (article-date-ut 'lapsed highlight))
2647 (defun article-update-date-lapsed ()
2648 "Function to be run from a timer to update the lapsed time line."
2649 (let (deactivate-mark)
2654 (set-buffer (window-buffer w))
2655 (when (eq major-mode 'gnus-article-mode)
2656 (goto-char (point-min))
2657 (when (re-search-forward "^X-Sent:" nil t)
2658 (article-date-lapsed t))))
2661 (defun gnus-start-date-timer (&optional n)
2662 "Start a timer to update the X-Sent header in the article buffers.
2663 The numerical prefix says how frequently (in seconds) the function
2668 (gnus-stop-date-timer)
2669 (setq article-lapsed-timer
2670 (nnheader-run-at-time 1 n 'article-update-date-lapsed)))
2672 (defun gnus-stop-date-timer ()
2673 "Stop the X-Sent timer."
2675 (when article-lapsed-timer
2676 (nnheader-cancel-timer article-lapsed-timer)
2677 (setq article-lapsed-timer nil)))
2679 (defun article-date-user (&optional highlight)
2680 "Convert the current article date to the user-defined format.
2681 This format is defined by the `gnus-article-time-format' variable."
2682 (interactive (list t))
2683 (article-date-ut 'user highlight))
2685 (defun article-date-iso8601 (&optional highlight)
2686 "Convert the current article date to ISO8601."
2687 (interactive (list t))
2688 (article-date-ut 'iso8601 highlight))
2690 ;; (defun article-show-all ()
2691 ;; "Show all hidden text in the article buffer."
2694 ;; (let ((buffer-read-only nil))
2695 ;; (gnus-article-unhide-text (point-min) (point-max)))))
2697 (defun article-remove-leading-whitespace ()
2698 "Remove excessive whitespace from all headers."
2702 (let ((buffer-read-only nil))
2703 (article-narrow-to-head)
2704 (goto-char (point-min))
2705 (while (re-search-forward "^[^ :]+: \\([ \t]+\\)" nil t)
2706 (delete-region (match-beginning 1) (match-end 1)))))))
2708 (defun article-emphasize (&optional arg)
2709 "Emphasize text according to `gnus-emphasis-alist'."
2710 (interactive (gnus-article-hidden-arg))
2711 (unless (gnus-article-check-hidden-text 'emphasis arg)
2715 (with-current-buffer gnus-summary-buffer
2716 gnus-article-emphasis-alist)
2718 gnus-emphasis-alist))
2719 (buffer-read-only nil)
2720 (props (append '(article-type emphasis)
2721 gnus-hidden-properties))
2722 regexp elem beg invisible visible face)
2725 (while (setq elem (pop alist))
2727 (setq regexp (car elem)
2728 invisible (nth 1 elem)
2729 visible (nth 2 elem)
2731 (while (re-search-forward regexp nil t)
2732 (when (and (match-beginning visible) (match-beginning invisible))
2733 (gnus-article-hide-text
2734 (match-beginning invisible) (match-end invisible) props)
2735 (gnus-article-unhide-text-type
2736 (match-beginning visible) (match-end visible) 'emphasis)
2737 (gnus-put-overlay-excluding-newlines
2738 (match-beginning visible) (match-end visible) 'face face)
2739 (gnus-add-wash-type 'emphasis)
2740 (goto-char (match-end invisible)))))))))
2742 (defun gnus-article-setup-highlight-words (&optional highlight-words)
2743 "Setup newsgroup emphasis alist."
2744 (unless gnus-article-emphasis-alist
2745 (let ((name (and gnus-newsgroup-name
2746 (gnus-group-real-name gnus-newsgroup-name))))
2747 (make-local-variable 'gnus-article-emphasis-alist)
2748 (setq gnus-article-emphasis-alist
2750 (let ((alist gnus-group-highlight-words-alist) elem highlight)
2751 (while (setq elem (pop alist))
2752 (when (and name (string-match (car elem) name))
2754 highlight (copy-sequence (cdr elem)))))
2756 (copy-sequence highlight-words)
2757 (if gnus-newsgroup-name
2758 (copy-sequence (gnus-group-find-parameter
2759 gnus-newsgroup-name 'highlight-words t)))
2760 gnus-emphasis-alist)))))
2763 (defvar gnus-summary-article-menu)
2764 (defvar gnus-summary-post-menu))
2766 ;;; Saving functions.
2768 (defun gnus-article-save (save-buffer file &optional num)
2769 "Save the currently selected article."
2770 (unless gnus-save-all-headers
2771 ;; Remove headers according to `gnus-saved-headers'.
2772 (let ((gnus-visible-headers
2773 (or gnus-saved-headers gnus-visible-headers))
2774 (gnus-article-buffer save-buffer))
2776 (set-buffer save-buffer)
2777 (article-hide-headers 1 t))))
2778 (save-window-excursion
2779 (if (not gnus-default-article-saver)
2780 (error "No default saver is defined")
2781 ;; !!! Magic! The saving functions all save
2782 ;; `gnus-save-article-buffer' (or so they think), but we
2783 ;; bind that variable to our save-buffer.
2784 (set-buffer gnus-article-buffer)
2785 (let* ((gnus-save-article-buffer save-buffer)
2788 ((not gnus-prompt-before-saving) 'default)
2789 ((eq gnus-prompt-before-saving 'always) nil)
2791 (gnus-number-of-articles-to-be-saved
2792 (when (eq gnus-prompt-before-saving t)
2794 (set-buffer gnus-article-current-summary)
2795 (funcall gnus-default-article-saver filename)))))
2797 (defun gnus-read-save-file-name (prompt &optional filename
2798 function group headers variable)
2800 (funcall function group headers (symbol-value variable)))
2805 ((eq filename 'default)
2811 (let* ((split-name (gnus-get-split-value gnus-split-methods))
2814 (if (and gnus-number-of-articles-to-be-saved
2815 (> gnus-number-of-articles-to-be-saved 1))
2816 (format "these %d articles"
2817 gnus-number-of-articles-to-be-saved)
2820 ;; Let the split methods have their say.
2822 ;; No split name was found.
2825 (concat prompt " (default "
2826 (file-name-nondirectory default-name) ") ")
2827 (file-name-directory default-name)
2829 ;; A single group name is returned.
2830 ((stringp split-name)
2832 (funcall function split-name headers
2833 (symbol-value variable)))
2835 (concat prompt " (default "
2836 (file-name-nondirectory default-name) ") ")
2837 (file-name-directory default-name)
2839 ;; A single split name was found
2840 ((= 1 (length split-name))
2841 (let* ((name (expand-file-name
2843 gnus-article-save-directory))
2844 (dir (cond ((file-directory-p name)
2845 (file-name-as-directory name))
2846 ((file-exists-p name) name)
2847 (t gnus-article-save-directory))))
2849 (concat prompt " (default " name ") ")
2851 ;; A list of splits was found.
2853 (setq split-name (nreverse split-name))
2855 (let ((file-name-history
2856 (nconc split-name file-name-history)))
2860 (concat prompt " (`M-p' for defaults) ")
2861 gnus-article-save-directory
2863 gnus-article-save-directory)))
2864 (car (push result file-name-history)))))))
2865 ;; Create the directory.
2866 (gnus-make-directory (file-name-directory file))
2867 ;; If we have read a directory, we append the default file name.
2868 (when (file-directory-p file)
2869 (setq file (expand-file-name (file-name-nondirectory
2871 (file-name-as-directory file))))
2872 ;; Possibly translate some characters.
2873 (nnheader-translate-file-chars file))))))
2874 (gnus-make-directory (file-name-directory result))
2875 (set variable result)))
2877 (defun gnus-article-archive-name (group)
2878 "Return the first instance of an \"Archive-name\" in the current buffer."
2879 (let ((case-fold-search t))
2880 (when (re-search-forward "archive-name: *\\([^ \n\t]+\\)[ \t]*$" nil t)
2881 (nnheader-concat gnus-article-save-directory
2882 (match-string 1)))))
2884 (defun gnus-article-nndoc-name (group)
2885 "If GROUP is an nndoc group, return the name of the parent group."
2886 (when (eq (car (gnus-find-method-for-group group)) 'nndoc)
2887 (gnus-group-get-parameter group 'save-article-group)))
2889 (defun gnus-summary-save-in-rmail (&optional filename)
2890 "Append this article to Rmail file.
2891 Optional argument FILENAME specifies file name.
2892 Directory to save to is default to `gnus-article-save-directory'."
2893 (setq filename (gnus-read-save-file-name
2894 "Save %s in rmail file:" filename
2895 gnus-rmail-save-name gnus-newsgroup-name
2896 gnus-current-headers 'gnus-newsgroup-last-rmail))
2897 (gnus-eval-in-buffer-window gnus-save-article-buffer
2901 (gnus-output-to-rmail filename))))
2904 (defun gnus-summary-save-in-mail (&optional filename)
2905 "Append this article to Unix mail file.
2906 Optional argument FILENAME specifies file name.
2907 Directory to save to is default to `gnus-article-save-directory'."
2908 (setq filename (gnus-read-save-file-name
2909 "Save %s in Unix mail file:" filename
2910 gnus-mail-save-name gnus-newsgroup-name
2911 gnus-current-headers 'gnus-newsgroup-last-mail))
2912 (gnus-eval-in-buffer-window gnus-save-article-buffer
2916 (if (and (file-readable-p filename)
2917 (mail-file-babyl-p filename))
2918 (rmail-output-to-rmail-file filename t)
2919 (gnus-output-to-mail filename)))))
2922 (defun gnus-summary-save-in-file (&optional filename overwrite)
2923 "Append this article to file.
2924 Optional argument FILENAME specifies file name.
2925 Directory to save to is default to `gnus-article-save-directory'."
2926 (setq filename (gnus-read-save-file-name
2927 "Save %s in file:" filename
2928 gnus-file-save-name gnus-newsgroup-name
2929 gnus-current-headers 'gnus-newsgroup-last-file))
2930 (gnus-eval-in-buffer-window gnus-save-article-buffer
2934 (when (and overwrite
2935 (file-exists-p filename))
2936 (delete-file filename))
2937 (gnus-output-to-file filename))))
2940 (defun gnus-summary-write-to-file (&optional filename)
2941 "Write this article to a file, overwriting it if the file exists.
2942 Optional argument FILENAME specifies file name.
2943 The directory to save in defaults to `gnus-article-save-directory'."
2944 (gnus-summary-save-in-file nil t))
2946 (defun gnus-summary-save-body-in-file (&optional filename)
2947 "Append this article body to a file.
2948 Optional argument FILENAME specifies file name.
2949 The directory to save in defaults to `gnus-article-save-directory'."
2950 (setq filename (gnus-read-save-file-name
2951 "Save %s body in file:" filename
2952 gnus-file-save-name gnus-newsgroup-name
2953 gnus-current-headers 'gnus-newsgroup-last-file))
2954 (gnus-eval-in-buffer-window gnus-save-article-buffer
2958 (when (article-goto-body)
2959 (narrow-to-region (point) (point-max)))
2960 (gnus-output-to-file filename))))
2963 (defun gnus-summary-save-in-pipe (&optional command)
2964 "Pipe this article to subprocess."
2966 (cond ((and (eq command 'default)
2967 gnus-last-shell-command)
2968 gnus-last-shell-command)
2973 "Shell command on %s: "
2974 (if (and gnus-number-of-articles-to-be-saved
2975 (> gnus-number-of-articles-to-be-saved 1))
2976 (format "these %d articles"
2977 gnus-number-of-articles-to-be-saved)
2979 gnus-last-shell-command))))
2980 (when (string-equal command "")
2981 (if gnus-last-shell-command
2982 (setq command gnus-last-shell-command)
2983 (error "A command is required")))
2984 (gnus-eval-in-buffer-window gnus-article-buffer
2987 (shell-command-on-region (point-min) (point-max) command nil)))
2988 (setq gnus-last-shell-command command))
2990 (defun gnus-summary-pipe-to-muttprint (&optional command)
2991 "Pipe this article to muttprint."
2992 (setq command (read-string
2993 "Print using command: " gnus-summary-muttprint-program
2994 nil gnus-summary-muttprint-program))
2995 (gnus-summary-save-in-pipe command))
2997 ;;; Article file names when saving.
2999 (defun gnus-capitalize-newsgroup (newsgroup)
3000 "Capitalize NEWSGROUP name."
3001 (when (not (zerop (length newsgroup)))
3002 (concat (char-to-string (upcase (aref newsgroup 0)))
3003 (substring newsgroup 1))))
3005 (defun gnus-Numeric-save-name (newsgroup headers &optional last-file)
3006 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3007 If variable `gnus-use-long-file-name' is non-nil, it is ~/News/News.group/num.
3008 Otherwise, it is like ~/News/news/group/num."
3011 (concat (if (gnus-use-long-file-name 'not-save)
3012 (gnus-capitalize-newsgroup newsgroup)
3013 (gnus-newsgroup-directory-form newsgroup))
3014 "/" (int-to-string (mail-header-number headers)))
3015 gnus-article-save-directory)))
3017 (string-equal (file-name-directory default)
3018 (file-name-directory last-file))
3019 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
3021 (or last-file default))))
3023 (defun gnus-numeric-save-name (newsgroup headers &optional last-file)
3024 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3025 If variable `gnus-use-long-file-name' is non-nil, it is
3026 ~/News/news.group/num. Otherwise, it is like ~/News/news/group/num."
3029 (concat (if (gnus-use-long-file-name 'not-save)
3031 (gnus-newsgroup-directory-form newsgroup))
3032 "/" (int-to-string (mail-header-number headers)))
3033 gnus-article-save-directory)))
3035 (string-equal (file-name-directory default)
3036 (file-name-directory last-file))
3037 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
3039 (or last-file default))))
3041 (defun gnus-plain-save-name (newsgroup headers &optional last-file)
3042 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3043 If variable `gnus-use-long-file-name' is non-nil, it is
3044 ~/News/news.group. Otherwise, it is like ~/News/news/group/news."
3047 (if (gnus-use-long-file-name 'not-save)
3050 (expand-file-name "news" (gnus-newsgroup-directory-form newsgroup))
3052 gnus-article-save-directory)))
3054 (defun gnus-sender-save-name (newsgroup headers &optional last-file)
3055 "Generate file name from sender."
3056 (let ((from (mail-header-from headers)))
3058 (if (and from (string-match "\\([^ <]+\\)@" from))
3059 (match-string 1 from)
3061 gnus-article-save-directory)))
3063 (defun article-verify-x-pgp-sig ()
3066 (if (gnus-buffer-live-p gnus-original-article-buffer)
3067 (let ((sig (with-current-buffer gnus-original-article-buffer
3068 (gnus-fetch-field "X-PGP-Sig")))
3072 (mml2015-clear-verify-function))
3074 (insert-buffer gnus-original-article-buffer)
3075 (setq items (split-string sig))
3076 (message-narrow-to-head)
3077 (let ((inhibit-point-motion-hooks t)
3078 (case-fold-search t))
3079 ;; Don't verify multiple headers.
3080 (setq headers (mapconcat (lambda (header)
3082 (mail-fetch-field header) "\n"))
3083 (split-string (nth 1 items) ",") "")))
3084 (delete-region (point-min) (point-max))
3085 (insert "-----BEGIN PGP SIGNED MESSAGE-----\n\n")
3086 (insert "X-Signed-Headers: " (nth 1 items) "\n")
3091 (if (looking-at "^-")
3094 (insert "\n-----BEGIN PGP SIGNATURE-----\n")
3095 (insert "Version: " (car items) "\n\n")
3096 (insert (mapconcat 'identity (cddr items) "\n"))
3097 (insert "\n-----END PGP SIGNATURE-----\n")
3098 (let ((mm-security-handle (list (format "multipart/signed"))))
3099 (mml2015-clean-buffer)
3100 (let ((coding-system-for-write (or gnus-newsgroup-charset
3102 (funcall (mml2015-clear-verify-function)))
3104 (or (mm-handle-multipart-ctl-parameter
3105 mm-security-handle 'gnus-details)
3106 (mm-handle-multipart-ctl-parameter
3107 mm-security-handle 'gnus-info)))))
3109 (let (buffer-read-only bface eface)
3111 (message-narrow-to-head)
3112 (goto-char (point-max))
3114 (setq bface (get-text-property (gnus-point-at-bol) 'face)
3115 eface (get-text-property (1- (gnus-point-at-eol)) 'face))
3116 (message-remove-header "X-Gnus-PGP-Verify")
3117 (if (re-search-forward "^X-PGP-Sig:" nil t)
3119 (goto-char (point-max)))
3120 (narrow-to-region (point) (point))
3121 (insert "X-Gnus-PGP-Verify: " info "\n")
3122 (goto-char (point-min))
3125 (if (not (looking-at "^[ \t]"))
3129 (goto-char (point-min))
3130 (when (looking-at "\\([^:]+\\): *")
3131 (put-text-property (match-beginning 1) (1+ (match-end 1))
3133 (put-text-property (match-end 0) (point-max)
3134 'face eface)))))))))
3136 (defun article-verify-cancel-lock ()
3137 "Verify Cancel-Lock header."
3139 (if (gnus-buffer-live-p gnus-original-article-buffer)
3140 (canlock-verify gnus-original-article-buffer)))
3147 (setq afunc (car func)
3150 gfunc (intern (format "gnus-%s" func))))
3152 (when (fboundp afunc)
3153 `(lambda (&optional interactive &rest args)
3154 ,(documentation afunc t)
3155 (interactive (list t))
3157 (set-buffer gnus-article-buffer)
3159 (call-interactively ',afunc)
3160 (apply ',afunc args))))))))
3161 '(article-hide-headers
3162 article-verify-x-pgp-sig
3163 article-verify-cancel-lock
3164 article-hide-boring-headers
3165 article-treat-overstrike
3166 article-fill-long-lines
3167 article-capitalize-sentences
3169 article-remove-leading-whitespace
3170 article-display-x-face
3171 article-de-quoted-unreadable
3172 article-de-base64-unreadable
3175 article-hide-list-identifiers
3177 article-strip-banner
3180 article-hide-signature
3181 article-strip-headers-in-body
3182 article-remove-trailing-blank-lines
3183 article-strip-leading-blank-lines
3184 article-strip-multiple-blank-lines
3185 article-strip-leading-space
3186 article-strip-trailing-space
3187 article-strip-blank-lines
3188 article-strip-all-blank-lines
3189 article-replace-with-quoted-text
3191 article-date-english
3192 article-date-iso8601
3193 article-date-original
3195 article-decode-mime-words
3196 article-decode-charset
3197 article-decode-encoded-words
3201 article-treat-dumbquotes
3202 article-normalize-headers
3203 ;; (article-show-all . gnus-article-show-all-headers)
3207 ;;; Gnus article mode
3210 (put 'gnus-article-mode 'mode-class 'special)
3212 (set-keymap-parent gnus-article-mode-map widget-keymap)
3214 (gnus-define-keys gnus-article-mode-map
3215 " " gnus-article-goto-next-page
3216 "\177" gnus-article-goto-prev-page
3217 [delete] gnus-article-goto-prev-page
3218 [backspace] gnus-article-goto-prev-page
3219 "\C-c^" gnus-article-refer-article
3220 "h" gnus-article-show-summary
3221 "s" gnus-article-show-summary
3222 "\C-c\C-m" gnus-article-mail
3223 "?" gnus-article-describe-briefly
3224 "e" gnus-summary-edit-article
3225 "<" beginning-of-buffer
3227 "\C-c\C-i" gnus-info-find-node
3229 "R" gnus-article-reply-with-original
3230 "F" gnus-article-followup-with-original
3231 "\C-hk" gnus-article-describe-key
3232 "\C-hc" gnus-article-describe-key-briefly
3234 "\C-d" gnus-article-read-summary-keys
3235 "\M-*" gnus-article-read-summary-keys
3236 "\M-#" gnus-article-read-summary-keys
3237 "\M-^" gnus-article-read-summary-keys
3238 "\M-g" gnus-article-read-summary-keys)
3240 (substitute-key-definition
3241 'undefined 'gnus-article-read-summary-keys gnus-article-mode-map)
3243 (defun gnus-article-make-menu-bar ()
3244 (unless (boundp 'gnus-article-commands-menu)
3245 (gnus-summary-make-menu-bar))
3246 (gnus-turn-off-edit-menu 'article)
3247 (unless (boundp 'gnus-article-article-menu)
3249 gnus-article-article-menu gnus-article-mode-map ""
3251 ["Scroll forwards" gnus-article-goto-next-page t]
3252 ["Scroll backwards" gnus-article-goto-prev-page t]
3253 ["Show summary" gnus-article-show-summary t]
3254 ["Fetch Message-ID at point" gnus-article-refer-article t]
3255 ["Mail to address at point" gnus-article-mail t]
3256 ["Send a bug report" gnus-bug t]))
3259 gnus-article-treatment-menu gnus-article-mode-map ""
3260 ;; Fixme: this should use :active (and maybe :visible).
3262 ["Hide headers" gnus-article-hide-headers t]
3263 ["Hide signature" gnus-article-hide-signature t]
3264 ["Hide citation" gnus-article-hide-citation t]
3265 ["Treat overstrike" gnus-article-treat-overstrike t]
3266 ["Remove carriage return" gnus-article-remove-cr t]
3267 ["Remove leading whitespace" gnus-article-remove-leading-whitespace t]
3268 ["Remove quoted-unreadable" gnus-article-de-quoted-unreadable t]
3269 ["Remove base64" gnus-article-de-base64-unreadable t]
3270 ["Treat html" gnus-article-wash-html t]
3271 ["Decode HZ" gnus-article-decode-HZ t]))
3273 ;; Note "Commands" menu is defined in gnus-sum.el for consistency
3275 ;; Note "Post" menu is defined in gnus-sum.el for consistency
3277 (gnus-run-hooks 'gnus-article-menu-hook)))
3279 ;; Fixme: do something for the Emacs tool bar in Article mode a la
3282 (defun gnus-article-mode ()
3283 "Major mode for displaying an article.
3285 All normal editing commands are switched off.
3287 The following commands are available in addition to all summary mode
3289 \\<gnus-article-mode-map>
3290 \\[gnus-article-next-page]\t Scroll the article one page forwards
3291 \\[gnus-article-prev-page]\t Scroll the article one page backwards
3292 \\[gnus-article-refer-article]\t Go to the article referred to by an article id near point
3293 \\[gnus-article-show-summary]\t Display the summary buffer
3294 \\[gnus-article-mail]\t Send a reply to the address near point
3295 \\[gnus-article-describe-briefly]\t Describe the current mode briefly
3296 \\[gnus-info-find-node]\t Go to the Gnus info node"
3298 (gnus-simplify-mode-line)
3299 (setq mode-name "Article")
3300 (setq major-mode 'gnus-article-mode)
3301 (make-local-variable 'minor-mode-alist)
3302 (use-local-map gnus-article-mode-map)
3303 (when (gnus-visual-p 'article-menu 'menu)
3304 (gnus-article-make-menu-bar))
3305 (gnus-update-format-specifications nil 'article-mode)
3306 (set (make-local-variable 'page-delimiter) gnus-page-delimiter)
3307 (make-local-variable 'gnus-page-broken)
3308 (make-local-variable 'gnus-button-marker-list)
3309 (make-local-variable 'gnus-article-current-summary)
3310 (make-local-variable 'gnus-article-mime-handles)
3311 (make-local-variable 'gnus-article-decoded-p)
3312 (make-local-variable 'gnus-article-mime-handle-alist)
3313 (make-local-variable 'gnus-article-wash-types)
3314 (make-local-variable 'gnus-article-image-alist)
3315 (make-local-variable 'gnus-article-charset)
3316 (make-local-variable 'gnus-article-ignored-charsets)
3317 (gnus-set-default-directory)
3318 (buffer-disable-undo)
3319 (setq buffer-read-only t)
3320 (set-syntax-table gnus-article-mode-syntax-table)
3321 (mm-enable-multibyte)
3322 (gnus-run-hooks 'gnus-article-mode-hook))
3324 (defun gnus-article-setup-buffer ()
3325 "Initialize the article buffer."
3326 (let* ((name (if gnus-single-article-buffer "*Article*"
3327 (concat "*Article " gnus-newsgroup-name "*")))
3329 (progn (string-match "\\*Article" name)
3330 (concat " *Original Article"
3331 (substring name (match-end 0))))))
3332 (setq gnus-article-buffer name)
3333 (setq gnus-original-article-buffer original)
3334 (setq gnus-article-mime-handle-alist nil)
3335 ;; This might be a variable local to the summary buffer.
3336 (unless gnus-single-article-buffer
3338 (set-buffer gnus-summary-buffer)
3339 (setq gnus-article-buffer name)
3340 (setq gnus-original-article-buffer original)
3341 (gnus-set-global-variables)))
3342 (gnus-article-setup-highlight-words)
3343 ;; Init original article buffer.
3345 (set-buffer (gnus-get-buffer-create gnus-original-article-buffer))
3346 (mm-enable-multibyte)
3347 (setq major-mode 'gnus-original-article-mode)
3348 (make-local-variable 'gnus-original-article))
3349 (if (get-buffer name)
3352 (when gnus-article-mime-handles
3353 (mm-destroy-parts gnus-article-mime-handles)
3354 (setq gnus-article-mime-handles nil))
3355 ;; Set it to nil in article-buffer!
3356 (setq gnus-article-mime-handle-alist nil)
3357 (buffer-disable-undo)
3358 (setq buffer-read-only t)
3359 (unless (eq major-mode 'gnus-article-mode)
3360 (gnus-article-mode))
3363 (set-buffer (gnus-get-buffer-create name))
3365 (make-local-variable 'gnus-summary-buffer)
3366 (gnus-summary-set-local-parameters gnus-newsgroup-name)
3367 (current-buffer)))))
3369 ;; Set article window start at LINE, where LINE is the number of lines
3370 ;; from the head of the article.
3371 (defun gnus-article-set-window-start (&optional line)
3373 (gnus-get-buffer-window gnus-article-buffer t)
3375 (set-buffer gnus-article-buffer)
3376 (goto-char (point-min))
3379 (gnus-message 6 "Moved to bookmark")
3380 (search-forward "\n\n" nil t)
3384 (defun gnus-article-prepare (article &optional all-headers header)
3385 "Prepare ARTICLE in article mode buffer.
3386 ARTICLE should either be an article number or a Message-ID.
3387 If ARTICLE is an id, HEADER should be the article headers.
3388 If ALL-HEADERS is non-nil, no headers are hidden."
3390 ;; Make sure we start in a summary buffer.
3391 (unless (eq major-mode 'gnus-summary-mode)
3392 (set-buffer gnus-summary-buffer))
3393 (setq gnus-summary-buffer (current-buffer))
3394 (let* ((gnus-article (if header (mail-header-number header) article))
3395 (summary-buffer (current-buffer))
3396 (gnus-tmp-internal-hook gnus-article-internal-prepare-hook)
3397 (group gnus-newsgroup-name)
3400 (gnus-article-setup-buffer)
3401 (set-buffer gnus-article-buffer)
3402 ;; Deactivate active regions.
3403 (when (and (boundp 'transient-mark-mode)
3404 transient-mark-mode)
3405 (setq mark-active nil))
3406 (if (not (setq result (let ((buffer-read-only nil))
3407 (gnus-request-article-this-buffer
3409 ;; There is no such article.
3411 (when (and (numberp article)
3412 (not (memq article gnus-newsgroup-sparse)))
3413 (setq gnus-article-current
3414 (cons gnus-newsgroup-name article))
3415 (set-buffer gnus-summary-buffer)
3416 (setq gnus-current-article article)
3417 (if (eq (gnus-article-mark article) gnus-undownloaded-mark)
3419 (gnus-summary-set-agent-mark article)
3420 (message "Message marked for downloading"))
3421 (gnus-summary-mark-article article gnus-canceled-mark)
3422 (unless (memq article gnus-newsgroup-sparse)
3423 (gnus-error 1 "No such article (may have expired or been canceled)")))))
3424 (if (or (eq result 'pseudo)
3425 (eq result 'nneething))
3428 (set-buffer summary-buffer)
3429 (push article gnus-newsgroup-history)
3430 (setq gnus-last-article gnus-current-article
3431 gnus-current-article 0
3432 gnus-current-headers nil
3433 gnus-article-current nil)
3434 (if (eq result 'nneething)
3435 (gnus-configure-windows 'summary)
3436 (gnus-configure-windows 'article))
3437 (gnus-set-global-variables))