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)
246 :group 'gnus-article-washing)
248 (defcustom gnus-article-x-face-too-ugly nil
249 "Regexp matching posters whose face shouldn't be shown automatically."
250 :type '(choice regexp (const nil))
251 :group 'gnus-article-washing)
253 (defcustom gnus-article-banner-alist nil
254 "Banner alist for stripping.
256 ((egroups . \"^[ \\t\\n]*-------------------+\\\\( \\\\(e\\\\|Yahoo! \\\\)Groups Sponsor -+\\\\)?....\\n\\\\(.+\\n\\\\)+\"))"
258 :type '(repeat (cons symbol regexp))
259 :group 'gnus-article-washing)
261 (gnus-define-group-parameter
264 "Alist of regexps (to match group names) and banner."
265 :variable-group gnus-article-washing
267 '(choice :tag "Banner"
269 (const :tag "Remove signature" signature)
270 (symbol :tag "Item in `gnus-article-banner-alist'" none)
272 (const :tag "None" nil))
274 "If non-nil, specify how to remove `banners' from articles.
276 Symbol `signature' means to remove signatures delimited by
277 `gnus-signature-separator'. Any other symbol is used to look up a
278 regular expression to match the banner in `gnus-article-banner-alist'.
279 A string is used as a regular expression to match the banner
282 (defcustom gnus-emphasis-alist
284 "\\(\\s-\\|^\\|\\=\\|[-\"]\\|\\s(\\)\\(%s\\(\\w+\\(\\s-+\\w+\\)*[.,]?\\)%s\\)\\(\\([-,.;:!?\"]\\|\\s)\\)+\\s-\\|[?!.]\\s-\\|\\s)\\|\\s-\\)")
289 ("_/" "/_" underline-italic)
290 ("_\\*" "\\*_" underline-bold)
291 ("\\*/" "/\\*" bold-italic)
292 ("_\\*/" "/\\*_" underline-bold-italic))))
296 (format format (car spec) (cadr spec))
297 2 3 (intern (format "gnus-emphasis-%s" (nth 2 spec)))))
299 ("\\(\\s-\\|^\\)\\(-\\(\\(\\w\\|-[^-]\\)+\\)-\\)\\(\\s-\\|[?!.,;]\\)"
300 2 3 gnus-emphasis-strikethru)
301 ("\\(\\s-\\|^\\)\\(_\\(\\(\\w\\|_[^_]\\)+\\)_\\)\\(\\s-\\|[?!.,;]\\)"
302 2 3 gnus-emphasis-underline)))
303 "*Alist that says how to fontify certain phrases.
304 Each item looks like this:
306 (\"_\\\\(\\\\w+\\\\)_\" 0 1 'underline)
308 The first element is a regular expression to be matched. The second
309 is a number that says what regular expression grouping used to find
310 the entire emphasized word. The third is a number that says what
311 regexp grouping should be displayed and highlighted. The fourth
312 is the face used for highlighting."
313 :type '(repeat (list :value ("" 0 0 default)
315 (integer :tag "Match group")
316 (integer :tag "Emphasize group")
318 :group 'gnus-article-emphasis)
320 (defcustom gnus-emphasize-whitespace-regexp "^[ \t]+\\|[ \t]*\n"
321 "A regexp to describe whitespace which should not be emphasized.
322 Typical values are \"^[ \\t]+\\\\|[ \\t]*\\n\" and \"[ \\t]+\\\\|[ \\t]*\\n\".
323 The former avoids underlining of leading and trailing whitespace,
324 and the latter avoids underlining any whitespace at all."
326 :group 'gnus-article-emphasis
329 (defface gnus-emphasis-bold '((t (:bold t)))
330 "Face used for displaying strong emphasized text (*word*)."
331 :group 'gnus-article-emphasis)
333 (defface gnus-emphasis-italic '((t (:italic t)))
334 "Face used for displaying italic emphasized text (/word/)."
335 :group 'gnus-article-emphasis)
337 (defface gnus-emphasis-underline '((t (:underline t)))
338 "Face used for displaying underlined emphasized text (_word_)."
339 :group 'gnus-article-emphasis)
341 (defface gnus-emphasis-underline-bold '((t (:bold t :underline t)))
342 "Face used for displaying underlined bold emphasized text (_*word*_)."
343 :group 'gnus-article-emphasis)
345 (defface gnus-emphasis-underline-italic '((t (:italic t :underline t)))
346 "Face used for displaying underlined italic emphasized text (_/word/_)."
347 :group 'gnus-article-emphasis)
349 (defface gnus-emphasis-bold-italic '((t (:bold t :italic t)))
350 "Face used for displaying bold italic emphasized text (/*word*/)."
351 :group 'gnus-article-emphasis)
353 (defface gnus-emphasis-underline-bold-italic
354 '((t (:bold t :italic t :underline t)))
355 "Face used for displaying underlined bold italic emphasized text.
356 Example: (_/*word*/_)."
357 :group 'gnus-article-emphasis)
359 (defface gnus-emphasis-strikethru '((t (:strikethru t)))
360 "Face used for displaying strike-through text (-word-)."
361 :group 'gnus-article-emphasis)
363 (defface gnus-emphasis-highlight-words
364 '((t (:background "black" :foreground "yellow")))
365 "Face used for displaying highlighted words."
366 :group 'gnus-article-emphasis)
368 (defcustom gnus-article-time-format "%a, %b %d %Y %T %Z"
369 "Format for display of Date headers in article bodies.
370 See `format-time-string' for the possible values.
372 The variable can also be function, which should return a complete Date
373 header. The function is called with one argument, the time, which can
374 be fed to `format-time-string'."
375 :type '(choice string symbol)
376 :link '(custom-manual "(gnus)Article Date")
377 :group 'gnus-article-washing)
380 (autoload 'mail-extract-address-components "mail-extr"))
382 (defcustom gnus-save-all-headers t
383 "*If non-nil, don't remove any headers before saving."
384 :group 'gnus-article-saving
387 (defcustom gnus-prompt-before-saving 'always
388 "*This variable says how much prompting is to be done when saving articles.
389 If it is nil, no prompting will be done, and the articles will be
390 saved to the default files. If this variable is `always', each and
391 every article that is saved will be preceded by a prompt, even when
392 saving large batches of articles. If this variable is neither nil not
393 `always', there the user will be prompted once for a file name for
394 each invocation of the saving commands."
395 :group 'gnus-article-saving
396 :type '(choice (item always)
397 (item :tag "never" nil)
398 (sexp :tag "once" :format "%t\n" :value t)))
400 (defcustom gnus-saved-headers gnus-visible-headers
401 "Headers to keep if `gnus-save-all-headers' is nil.
402 If `gnus-save-all-headers' is non-nil, this variable will be ignored.
403 If that variable is nil, however, all headers that match this regexp
404 will be kept while the rest will be deleted before saving."
405 :group 'gnus-article-saving
408 (defcustom gnus-default-article-saver 'gnus-summary-save-in-rmail
409 "A function to save articles in your favourite format.
410 The function must be interactively callable (in other words, it must
411 be an Emacs command).
413 Gnus provides the following functions:
415 * gnus-summary-save-in-rmail (Rmail format)
416 * gnus-summary-save-in-mail (Unix mail format)
417 * gnus-summary-save-in-folder (MH folder)
418 * gnus-summary-save-in-file (article format)
419 * gnus-summary-save-body-in-file (article body)
420 * gnus-summary-save-in-vm (use VM's folder format)
421 * gnus-summary-write-to-file (article format -- overwrite)."
422 :group 'gnus-article-saving
423 :type '(radio (function-item gnus-summary-save-in-rmail)
424 (function-item gnus-summary-save-in-mail)
425 (function-item gnus-summary-save-in-folder)
426 (function-item gnus-summary-save-in-file)
427 (function-item gnus-summary-save-body-in-file)
428 (function-item gnus-summary-save-in-vm)
429 (function-item gnus-summary-write-to-file)))
431 (defcustom gnus-rmail-save-name 'gnus-plain-save-name
432 "A function generating a file name to save articles in Rmail format.
433 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
434 :group 'gnus-article-saving
437 (defcustom gnus-mail-save-name 'gnus-plain-save-name
438 "A function generating a file name to save articles in Unix mail format.
439 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
440 :group 'gnus-article-saving
443 (defcustom gnus-folder-save-name 'gnus-folder-save-name
444 "A function generating a file name to save articles in MH folder.
445 The function is called with NEWSGROUP, HEADERS, and optional LAST-FOLDER."
446 :group 'gnus-article-saving
449 (defcustom gnus-file-save-name 'gnus-numeric-save-name
450 "A function generating a file name to save articles in article format.
451 The function is called with NEWSGROUP, HEADERS, and optional
453 :group 'gnus-article-saving
456 (defcustom gnus-split-methods
457 '((gnus-article-archive-name)
458 (gnus-article-nndoc-name))
459 "*Variable used to suggest where articles are to be saved.
460 For instance, if you would like to save articles related to Gnus in
461 the file \"gnus-stuff\", and articles related to VM in \"vm-stuff\",
462 you could set this variable to something like:
464 '((\"^Subject:.*gnus\\|^Newsgroups:.*gnus\" \"gnus-stuff\")
465 (\"^Subject:.*vm\\|^Xref:.*vm\" \"vm-stuff\"))
467 This variable is an alist where the where the key is the match and the
468 value is a list of possible files to save in if the match is non-nil.
470 If the match is a string, it is used as a regexp match on the
471 article. If the match is a symbol, that symbol will be funcalled
472 from the buffer of the article to be saved with the newsgroup as the
473 parameter. If it is a list, it will be evaled in the same buffer.
475 If this form or function returns a string, this string will be used as
476 a possible file name; and if it returns a non-nil list, that list will
477 be used as possible file names."
478 :group 'gnus-article-saving
479 :type '(repeat (choice (list :value (fun) function)
480 (cons :value ("" "") regexp (repeat string))
483 (defcustom gnus-page-delimiter "^\^L"
484 "*Regexp describing what to use as article page delimiters.
485 The default value is \"^\^L\", which is a form linefeed at the
486 beginning of a line."
488 :group 'gnus-article-various)
490 (defcustom gnus-article-mode-line-format "Gnus: %g [%w] %S%m"
491 "*The format specification for the article mode line.
492 See `gnus-summary-mode-line-format' for a closer description.
494 The following additional specs are available:
496 %w The article washing status.
497 %m The number of MIME parts in the article."
499 :group 'gnus-article-various)
501 (defcustom gnus-article-mode-hook nil
502 "*A hook for Gnus article mode."
504 :group 'gnus-article-various)
506 (when (featurep 'xemacs)
507 ;; Extracted from gnus-xmas-define in order to preserve user settings
508 (when (fboundp 'turn-off-scroll-in-place)
509 (add-hook 'gnus-article-mode-hook 'turn-off-scroll-in-place))
510 ;; Extracted from gnus-xmas-redefine in order to preserve user settings
511 (add-hook 'gnus-article-mode-hook 'gnus-xmas-article-menu-add))
513 (defcustom gnus-article-menu-hook nil
514 "*Hook run after the creation of the article mode menu."
516 :group 'gnus-article-various)
518 (defcustom gnus-article-prepare-hook nil
519 "*A hook called after an article has been prepared in the article buffer."
521 :group 'gnus-article-various)
523 (defcustom gnus-article-hide-pgp-hook nil
524 "*A hook called after successfully hiding a PGP signature."
526 :group 'gnus-article-various)
528 (defcustom gnus-article-button-face 'bold
529 "Face used for highlighting buttons in the article buffer.
531 An article button is a piece of text that you can activate by pressing
532 `RET' or `mouse-2' above it."
534 :group 'gnus-article-buttons)
536 (defcustom gnus-article-mouse-face 'highlight
537 "Face used for mouse highlighting in the article buffer.
539 Article buttons will be displayed in this face when the cursor is
542 :group 'gnus-article-buttons)
544 (defcustom gnus-signature-face 'gnus-signature-face
545 "Face used for highlighting a signature in the article buffer.
546 Obsolete; use the face `gnus-signature-face' for customizations instead."
548 :group 'gnus-article-highlight
549 :group 'gnus-article-signature)
551 (defface gnus-signature-face
554 "Face used for highlighting a signature in the article buffer."
555 :group 'gnus-article-highlight
556 :group 'gnus-article-signature)
558 (defface gnus-header-from-face
561 (:foreground "spring green"))
564 (:foreground "red3"))
567 "Face used for displaying from headers."
568 :group 'gnus-article-headers
569 :group 'gnus-article-highlight)
571 (defface gnus-header-subject-face
574 (:foreground "SeaGreen3"))
577 (:foreground "red4"))
579 (:bold t :italic t)))
580 "Face used for displaying subject headers."
581 :group 'gnus-article-headers
582 :group 'gnus-article-highlight)
584 (defface gnus-header-newsgroups-face
587 (:foreground "yellow" :italic t))
590 (:foreground "MidnightBlue" :italic t))
593 "Face used for displaying newsgroups headers."
594 :group 'gnus-article-headers
595 :group 'gnus-article-highlight)
597 (defface gnus-header-name-face
600 (:foreground "SeaGreen"))
603 (:foreground "maroon"))
606 "Face used for displaying header names."
607 :group 'gnus-article-headers
608 :group 'gnus-article-highlight)
610 (defface gnus-header-content-face
613 (:foreground "forest green" :italic t))
616 (:foreground "indianred4" :italic t))
618 (:italic t))) "Face used for displaying header content."
619 :group 'gnus-article-headers
620 :group 'gnus-article-highlight)
622 (defcustom gnus-header-face-alist
623 '(("From" nil gnus-header-from-face)
624 ("Subject" nil gnus-header-subject-face)
625 ("Newsgroups:.*," nil gnus-header-newsgroups-face)
626 ("" gnus-header-name-face gnus-header-content-face))
627 "*Controls highlighting of article header.
629 An alist of the form (HEADER NAME CONTENT).
631 HEADER is a regular expression which should match the name of an
632 header header and NAME and CONTENT are either face names or nil.
634 The name of each header field will be displayed using the face
635 specified by the first element in the list where HEADER match the
636 header name and NAME is non-nil. Similarly, the content will be
637 displayed by the first non-nil matching CONTENT face."
638 :group 'gnus-article-headers
639 :group 'gnus-article-highlight
640 :type '(repeat (list (regexp :tag "Header")
642 (item :tag "skip" nil)
643 (face :value default))
644 (choice :tag "Content"
645 (item :tag "skip" nil)
646 (face :value default)))))
648 (defcustom gnus-article-decode-hook
649 '(article-decode-charset article-decode-encoded-words
650 article-decode-group-name)
651 "*Hook run to decode charsets in articles."
652 :group 'gnus-article-headers
655 (defcustom gnus-display-mime-function 'gnus-display-mime
656 "Function to display MIME articles."
657 :group 'gnus-article-mime
660 (defvar gnus-decode-header-function 'mail-decode-encoded-word-region
661 "Function used to decode headers.")
663 (defvar gnus-article-dumbquotes-map
682 "Table for MS-to-Latin1 translation.")
684 (defcustom gnus-ignored-mime-types nil
685 "List of MIME types that should be ignored by Gnus."
687 :group 'gnus-article-mime
688 :type '(repeat regexp))
690 (defcustom gnus-unbuttonized-mime-types '(".*/.*")
691 "List of MIME types that should not be given buttons when rendered inline.
692 See also `gnus-buttonized-mime-types' which may override this variable."
694 :group 'gnus-article-mime
695 :type '(repeat regexp))
697 (defcustom gnus-buttonized-mime-types nil
698 "List of MIME types that should be given buttons when rendered inline.
699 If set, this variable overrides `gnus-unbuttonized-mime-types'.
700 To see e.g. security buttons you could set this to
701 `(\"multipart/signed\")'."
703 :group 'gnus-article-mime
704 :type '(repeat regexp))
706 (defcustom gnus-body-boundary-delimiter "_"
707 "String used to delimit header and body.
708 This variable is used by `gnus-article-treat-body-boundary' which can
709 be controlled by `gnus-treat-body-boundary'."
710 :group 'gnus-article-various
711 :type '(choice (item :tag "None" :value nil)
714 (defcustom gnus-picon-databases '("/usr/lib/picon" "/usr/local/faces")
715 "Defines the location of the faces database.
716 For information on obtaining this database of pretty pictures, please
717 see http://www.cs.indiana.edu/picons/ftp/index.html"
718 :type '(repeat directory)
719 :link '(url-link :tag "download"
720 "http://www.cs.indiana.edu/picons/ftp/index.html")
721 :link '(custom-manual "(gnus)Picons")
724 (defun gnus-picons-installed-p ()
725 "Say whether picons are installed on your machine."
726 (let ((installed nil))
727 (dolist (database gnus-picon-databases)
728 (when (file-exists-p database)
732 (defcustom gnus-article-mime-part-function nil
733 "Function called with a MIME handle as the argument.
734 This is meant for people who want to do something automatic based
735 on parts -- for instance, adding Vcard info to a database."
736 :group 'gnus-article-mime
739 (defcustom gnus-mime-multipart-functions nil
740 "An alist of MIME types to functions to display them."
742 :group 'gnus-article-mime
745 (defcustom gnus-article-date-lapsed-new-header nil
746 "Whether the X-Sent and Date headers can coexist.
747 When using `gnus-treat-date-lapsed', the \"X-Sent:\" header will
748 either replace the old \"Date:\" header (if this variable is nil), or
749 be added below it (otherwise)."
751 :group 'gnus-article-headers
754 (defcustom gnus-article-mime-match-handle-function 'undisplayed-alternative
755 "Function called with a MIME handle as the argument.
756 This is meant for people who want to view first matched part.
757 For `undisplayed-alternative' (default), the first undisplayed
758 part or alternative part is used. For `undisplayed', the first
759 undisplayed part is used. For a function, the first part which
760 the function return `t' is used. For `nil', the first part is
763 :group 'gnus-article-mime
765 (item :tag "first" :value nil)
766 (item :tag "undisplayed" :value undisplayed)
767 (item :tag "undisplayed or alternative"
768 :value undisplayed-alternative)
771 (defcustom gnus-mime-action-alist
772 '(("save to file" . gnus-mime-save-part)
773 ("save and strip" . gnus-mime-save-part-and-strip)
774 ("display as text" . gnus-mime-inline-part)
775 ("view the part" . gnus-mime-view-part)
776 ("pipe to command" . gnus-mime-pipe-part)
777 ("toggle display" . gnus-article-press-button)
778 ("toggle display" . gnus-article-view-part-as-charset)
779 ("view as type" . gnus-mime-view-part-as-type)
780 ("view internally" . gnus-mime-view-part-internally)
781 ("view externally" . gnus-mime-view-part-externally))
782 "An alist of actions that run on the MIME attachment."
783 :group 'gnus-article-mime
784 :type '(repeat (cons (string :tag "name")
788 ;;; The treatment variables
791 (defvar gnus-part-display-hook nil
792 "Hook called on parts that are to receive treatment.")
794 (defvar gnus-article-treat-custom
795 '(choice (const :tag "Off" nil)
797 (const :tag "Header" head)
798 (const :tag "Last" last)
799 (integer :tag "Less")
800 (repeat :tag "Groups" regexp)
801 (sexp :tag "Predicate")))
803 (defvar gnus-article-treat-head-custom
804 '(choice (const :tag "Off" nil)
805 (const :tag "Header" head)))
807 (defvar gnus-article-treat-types '("text/plain")
810 (defvar gnus-inhibit-treatment nil
811 "Whether to inhibit treatment.")
813 (defcustom gnus-treat-highlight-signature '(or last (typep "text/x-vcard"))
814 "Highlight the signature.
815 Valid values are nil, t, `head', `last', an integer or a predicate.
816 See Info node `(gnus)Customizing Articles'."
817 :group 'gnus-article-treat
818 :type gnus-article-treat-custom)
819 (put 'gnus-treat-highlight-signature 'highlight t)
821 (defcustom gnus-treat-buttonize 100000
823 Valid values are nil, t, `head', `last', an integer or a predicate.
824 See Info node `(gnus)Customizing Articles'."
825 :group 'gnus-article-treat
826 :type gnus-article-treat-custom)
827 (put 'gnus-treat-buttonize 'highlight t)
829 (defcustom gnus-treat-buttonize-head 'head
830 "Add buttons to the head.
831 Valid values are nil, t, `head', `last', an integer or a predicate.
832 See Info node `(gnus)Customizing Articles' for details."
833 :group 'gnus-article-treat
834 :type gnus-article-treat-head-custom)
835 (put 'gnus-treat-buttonize-head 'highlight t)
837 (defcustom gnus-treat-emphasize
838 (and (or window-system
840 (>= (string-to-number emacs-version) 21))
843 Valid values are nil, t, `head', `last', an integer or a predicate.
844 See Info node `(gnus)Customizing Articles' for details."
845 :group 'gnus-article-treat
846 :type gnus-article-treat-custom)
847 (put 'gnus-treat-emphasize 'highlight t)
849 (defcustom gnus-treat-strip-cr nil
850 "Remove carriage returns.
851 Valid values are nil, t, `head', `last', an integer or a predicate.
852 See Info node `(gnus)Customizing Articles' for details."
853 :group 'gnus-article-treat
854 :type gnus-article-treat-custom)
856 (defcustom gnus-treat-unsplit-urls nil
857 "Remove newlines from within URLs.
858 Valid values are nil, t, `head', `last', an integer or a predicate.
859 See Info node `(gnus)Customizing Articles' for details."
860 :group 'gnus-article-treat
861 :type gnus-article-treat-custom)
863 (defcustom gnus-treat-leading-whitespace nil
864 "Remove leading whitespace in headers.
865 Valid values are nil, t, `head', `last', an integer or a predicate.
866 See Info node `(gnus)Customizing Articles' for details."
867 :group 'gnus-article-treat
868 :type gnus-article-treat-custom)
870 (defcustom gnus-treat-hide-headers 'head
872 Valid values are nil, t, `head', `last', an integer or a predicate.
873 See Info node `(gnus)Customizing Articles' for details."
874 :group 'gnus-article-treat
875 :type gnus-article-treat-head-custom)
877 (defcustom gnus-treat-hide-boring-headers nil
878 "Hide boring headers.
879 Valid values are nil, t, `head', `last', an integer or a predicate.
880 See Info node `(gnus)Customizing Articles' for details."
881 :group 'gnus-article-treat
882 :type gnus-article-treat-head-custom)
884 (defcustom gnus-treat-hide-signature nil
886 Valid values are nil, t, `head', `last', an integer or a predicate.
887 See Info node `(gnus)Customizing Articles' for details."
888 :group 'gnus-article-treat
889 :type gnus-article-treat-custom)
891 (defcustom gnus-treat-fill-article nil
893 Valid values are nil, t, `head', `last', an integer or a predicate.
894 See Info node `(gnus)Customizing Articles' for details."
895 :group 'gnus-article-treat
896 :type gnus-article-treat-custom)
898 (defcustom gnus-treat-hide-citation nil
900 Valid values are nil, t, `head', `last', an integer or a predicate.
901 See Info node `(gnus)Customizing Articles' for details."
902 :group 'gnus-article-treat
903 :type gnus-article-treat-custom)
905 (defcustom gnus-treat-hide-citation-maybe nil
907 Valid values are nil, t, `head', `last', an integer or a predicate.
908 See Info node `(gnus)Customizing Articles' for details."
909 :group 'gnus-article-treat
910 :type gnus-article-treat-custom)
912 (defcustom gnus-treat-strip-list-identifiers 'head
913 "Strip list identifiers from `gnus-list-identifiers`.
914 Valid values are nil, t, `head', `last', an integer or a predicate.
915 See Info node `(gnus)Customizing Articles' for details."
917 :group 'gnus-article-treat
918 :type gnus-article-treat-custom)
920 (defcustom gnus-treat-strip-pgp t
921 "Strip PGP signatures.
922 Valid values are nil, t, `head', `last', an integer or a predicate.
923 See Info node `(gnus)Customizing Articles' for details."
924 :group 'gnus-article-treat
925 :type gnus-article-treat-custom)
927 (defcustom gnus-treat-strip-pem nil
928 "Strip PEM signatures.
929 Valid values are nil, t, `head', `last', an integer or a predicate.
930 See Info node `(gnus)Customizing Articles' for details."
931 :group 'gnus-article-treat
932 :type gnus-article-treat-custom)
934 (defcustom gnus-treat-strip-banner t
935 "Strip banners from articles.
936 The banner to be stripped is specified in the `banner' group parameter.
937 Valid values are nil, t, `head', `last', an integer or a predicate.
938 See Info node `(gnus)Customizing Articles' for details."
939 :group 'gnus-article-treat
940 :type gnus-article-treat-custom)
942 (defcustom gnus-treat-highlight-headers 'head
943 "Highlight the headers.
944 Valid values are nil, t, `head', `last', an integer or a predicate.
945 See Info node `(gnus)Customizing Articles' for details."
946 :group 'gnus-article-treat
947 :type gnus-article-treat-head-custom)
948 (put 'gnus-treat-highlight-headers 'highlight t)
950 (defcustom gnus-treat-highlight-citation t
951 "Highlight cited text.
952 Valid values are nil, t, `head', `last', an integer or a predicate.
953 See Info node `(gnus)Customizing Articles' for details."
954 :group 'gnus-article-treat
955 :type gnus-article-treat-custom)
956 (put 'gnus-treat-highlight-citation 'highlight t)
958 (defcustom gnus-treat-date-ut nil
959 "Display the Date in UT (GMT).
960 Valid values are nil, t, `head', `last', an integer or a predicate.
961 See Info node `(gnus)Customizing Articles' for details."
962 :group 'gnus-article-treat
963 :type gnus-article-treat-head-custom)
965 (defcustom gnus-treat-date-local nil
966 "Display the Date in the local timezone.
967 Valid values are nil, t, `head', `last', an integer or a predicate.
968 See Info node `(gnus)Customizing Articles' for details."
969 :group 'gnus-article-treat
970 :type gnus-article-treat-head-custom)
972 (defcustom gnus-treat-date-english nil
973 "Display the Date in a format that can be read aloud in English.
974 Valid values are nil, t, `head', `last', an integer or a predicate.
975 See Info node `(gnus)Customizing Articles' for details."
976 :group 'gnus-article-treat
977 :type gnus-article-treat-head-custom)
979 (defcustom gnus-treat-date-lapsed nil
980 "Display the Date header in a way that says how much time has elapsed.
981 Valid values are nil, t, `head', `last', an integer or a predicate.
982 See Info node `(gnus)Customizing Articles' for details."
983 :group 'gnus-article-treat
984 :type gnus-article-treat-head-custom)
986 (defcustom gnus-treat-date-original nil
987 "Display the date in the original timezone.
988 Valid values are nil, t, `head', `last', an integer or a predicate.
989 See Info node `(gnus)Customizing Articles' for details."
990 :group 'gnus-article-treat
991 :type gnus-article-treat-head-custom)
993 (defcustom gnus-treat-date-iso8601 nil
994 "Display the date in the ISO8601 format.
995 Valid values are nil, t, `head', `last', an integer or a predicate.
996 See Info node `(gnus)Customizing Articles' for details."
998 :group 'gnus-article-treat
999 :type gnus-article-treat-head-custom)
1001 (defcustom gnus-treat-date-user-defined nil
1002 "Display the date in a user-defined format.
1003 The format is defined by the `gnus-article-time-format' variable.
1004 Valid values are nil, t, `head', `last', an integer or a predicate.
1005 See Info node `(gnus)Customizing Articles' for details."
1006 :group 'gnus-article-treat
1007 :type gnus-article-treat-head-custom)
1009 (defcustom gnus-treat-strip-headers-in-body t
1010 "Strip the X-No-Archive header line from the beginning of the body.
1011 Valid values are nil, t, `head', `last', an integer or a predicate.
1012 See Info node `(gnus)Customizing Articles' for details."
1014 :group 'gnus-article-treat
1015 :type gnus-article-treat-custom)
1017 (defcustom gnus-treat-strip-trailing-blank-lines nil
1018 "Strip trailing blank lines.
1019 Valid values are nil, t, `head', `last', an integer or a predicate.
1020 See Info node `(gnus)Customizing Articles' for details."
1021 :group 'gnus-article-treat
1022 :type gnus-article-treat-custom)
1024 (defcustom gnus-treat-strip-leading-blank-lines nil
1025 "Strip leading blank lines.
1026 Valid values are nil, t, `head', `last', an integer or a predicate.
1027 See Info node `(gnus)Customizing Articles' for details."
1028 :group 'gnus-article-treat
1029 :type gnus-article-treat-custom)
1031 (defcustom gnus-treat-strip-multiple-blank-lines nil
1032 "Strip multiple blank lines.
1033 Valid values are nil, t, `head', `last', an integer or a predicate.
1034 See Info node `(gnus)Customizing Articles' for details."
1035 :group 'gnus-article-treat
1036 :type gnus-article-treat-custom)
1038 (defcustom gnus-treat-unfold-headers 'head
1039 "Unfold folded header lines.
1040 Valid values are nil, t, `head', `last', an integer or a predicate.
1041 See Info node `(gnus)Customizing Articles' for details."
1042 :group 'gnus-article-treat
1043 :type gnus-article-treat-custom)
1045 (defcustom gnus-treat-fold-headers nil
1047 Valid values are nil, t, `head', `last', an integer or a predicate.
1048 See Info node `(gnus)Customizing Articles' for details."
1049 :group 'gnus-article-treat
1050 :type gnus-article-treat-custom)
1052 (defcustom gnus-treat-fold-newsgroups 'head
1053 "Fold the Newsgroups and Followup-To headers.
1054 Valid values are nil, t, `head', `last', an integer or a predicate.
1055 See Info node `(gnus)Customizing Articles' for details."
1056 :group 'gnus-article-treat
1057 :type gnus-article-treat-custom)
1059 (defcustom gnus-treat-overstrike t
1060 "Treat overstrike highlighting.
1061 Valid values are nil, t, `head', `last', an integer or a predicate.
1062 See Info node `(gnus)Customizing Articles' for details."
1063 :group 'gnus-article-treat
1064 :type gnus-article-treat-custom)
1065 (put 'gnus-treat-overstrike 'highlight t)
1067 (defcustom gnus-treat-display-xface
1068 (and (not noninteractive)
1069 (or (and (fboundp 'image-type-available-p)
1070 (image-type-available-p 'xbm)
1071 (string-match "^0x" (shell-command-to-string "uncompface")))
1072 (and (featurep 'xemacs)
1075 "Display X-Face headers.
1076 Valid values are nil, t, `head', `last', an integer or a predicate.
1077 See Info node `(gnus)Customizing Articles' and Info node
1078 `(gnus)X-Face' for details."
1079 :group 'gnus-article-treat
1081 :type gnus-article-treat-head-custom)
1082 (put 'gnus-treat-display-xface 'highlight t)
1084 (defcustom gnus-treat-display-grey-xface
1085 (and (not noninteractive)
1086 (string-match "^0x" (shell-command-to-string "uncompface"))
1088 "Display grey X-Face headers.
1089 Valid values are nil, t."
1090 :group 'gnus-article-treat
1093 (put 'gnus-treat-display-grey-xface 'highlight t)
1095 (defcustom gnus-treat-display-smileys
1096 (if (or (and (featurep 'xemacs)
1098 (and (fboundp 'image-type-available-p)
1099 (image-type-available-p 'pbm)))
1102 Valid values are nil, t, `head', `last', an integer or a predicate.
1103 See Info node `(gnus)Customizing Articles' and Info node
1104 `(gnus)Smileys' for details."
1105 :group 'gnus-article-treat
1107 :type gnus-article-treat-custom)
1108 (put 'gnus-treat-display-smileys 'highlight t)
1110 (defcustom gnus-treat-from-picon
1111 (if (and (gnus-image-type-available-p 'xpm)
1112 (gnus-picons-installed-p))
1114 "Display picons in the From header.
1115 Valid values are nil, t, `head', `last', an integer or a predicate.
1116 See Info node `(gnus)Customizing Articles' and Info node
1117 `(gnus)Picons' for details."
1118 :group 'gnus-article-treat
1120 :link '(info-link "(gnus)Customizing Articles")
1121 :link '(info-link "(gnus)Picons")
1122 :type gnus-article-treat-head-custom)
1123 (put 'gnus-treat-from-picon 'highlight t)
1125 (defcustom gnus-treat-mail-picon
1126 (if (and (gnus-image-type-available-p 'xpm)
1127 (gnus-picons-installed-p))
1129 "Display picons in To and Cc headers.
1130 Valid values are nil, t, `head', `last', an integer or a predicate.
1131 See Info node `(gnus)Customizing Articles' and Info node
1132 `(gnus)Picons' for details."
1133 :group 'gnus-article-treat
1135 :link '(info-link "(gnus)Customizing Articles")
1136 :link '(info-link "(gnus)Picons")
1137 :type gnus-article-treat-head-custom)
1138 (put 'gnus-treat-mail-picon 'highlight t)
1140 (defcustom gnus-treat-newsgroups-picon
1141 (if (and (gnus-image-type-available-p 'xpm)
1142 (gnus-picons-installed-p))
1144 "Display picons in the Newsgroups and Followup-To headers.
1145 Valid values are nil, t, `head', `last', an integer or a predicate.
1146 See Info node `(gnus)Customizing Articles' and Info node
1147 `(gnus)Picons' for details."
1148 :group 'gnus-article-treat
1150 :link '(info-link "(gnus)Customizing Articles")
1151 :link '(info-link "(gnus)Picons")
1152 :type gnus-article-treat-head-custom)
1153 (put 'gnus-treat-newsgroups-picon 'highlight t)
1155 (defcustom gnus-treat-body-boundary
1156 (if (or gnus-treat-newsgroups-picon
1157 gnus-treat-mail-picon
1158 gnus-treat-from-picon)
1160 "Draw a boundary at the end of the headers.
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-capitalize-sentences nil
1168 "Capitalize sentence-starting words.
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-fill-long-lines nil
1177 Valid values are nil, t, `head', `last', an integer or a predicate.
1178 See Info node `(gnus)Customizing Articles' for details."
1179 :group 'gnus-article-treat
1180 :type gnus-article-treat-custom)
1182 (defcustom gnus-treat-play-sounds nil
1184 Valid values are nil, t, `head', `last', an integer or a predicate.
1185 See Info node `(gnus)Customizing Articles' for details."
1187 :group 'gnus-article-treat
1188 :type gnus-article-treat-custom)
1190 (defcustom gnus-treat-translate nil
1191 "Translate articles from one language to another.
1192 Valid values are nil, t, `head', `last', an integer or a predicate.
1193 See Info node `(gnus)Customizing Articles' for details."
1195 :group 'gnus-article-treat
1196 :type gnus-article-treat-custom)
1198 (defcustom gnus-treat-x-pgp-sig nil
1200 To automatically treat X-PGP-Sig, set it to head.
1201 Valid values are nil, t, `head', `last', an integer or a predicate.
1202 See Info node `(gnus)Customizing Articles' for details."
1203 :group 'gnus-article-treat
1204 :group 'mime-security
1205 :type gnus-article-treat-custom)
1207 (defvar gnus-article-encrypt-protocol-alist
1208 '(("PGP" . mml2015-self-encrypt)))
1210 ;; Set to nil if more than one protocol added to
1211 ;; gnus-article-encrypt-protocol-alist.
1212 (defcustom gnus-article-encrypt-protocol "PGP"
1213 "The protocol used for encrypt articles.
1214 It is a string, such as \"PGP\". If nil, ask user."
1216 :group 'mime-security)
1218 (defvar gnus-article-wash-function nil
1219 "Function used for converting HTML into text.")
1221 ;;; Internal variables
1223 (defvar gnus-english-month-names
1224 '("January" "February" "March" "April" "May" "June" "July" "August"
1225 "September" "October" "November" "December"))
1227 (defvar article-goto-body-goes-to-point-min-p nil)
1228 (defvar gnus-article-wash-types nil)
1229 (defvar gnus-article-emphasis-alist nil)
1230 (defvar gnus-article-image-alist nil)
1232 (defvar gnus-article-mime-handle-alist-1 nil)
1233 (defvar gnus-treatment-function-alist
1234 '((gnus-treat-x-pgp-sig gnus-article-verify-x-pgp-sig)
1235 (gnus-treat-strip-banner gnus-article-strip-banner)
1236 (gnus-treat-strip-headers-in-body gnus-article-strip-headers-in-body)
1237 (gnus-treat-highlight-signature gnus-article-highlight-signature)
1238 (gnus-treat-buttonize gnus-article-add-buttons)
1239 (gnus-treat-fill-article gnus-article-fill-cited-article)
1240 (gnus-treat-fill-long-lines gnus-article-fill-long-lines)
1241 (gnus-treat-strip-cr gnus-article-remove-cr)
1242 (gnus-treat-unsplit-urls gnus-article-unsplit-urls)
1243 (gnus-treat-date-ut gnus-article-date-ut)
1244 (gnus-treat-date-local gnus-article-date-local)
1245 (gnus-treat-date-english gnus-article-date-english)
1246 (gnus-treat-date-lapsed gnus-article-date-lapsed)
1247 (gnus-treat-date-original gnus-article-date-original)
1248 (gnus-treat-date-user-defined gnus-article-date-user)
1249 (gnus-treat-date-iso8601 gnus-article-date-iso8601)
1250 (gnus-treat-display-xface gnus-article-display-x-face)
1251 (gnus-treat-hide-headers gnus-article-maybe-hide-headers)
1252 (gnus-treat-hide-boring-headers gnus-article-hide-boring-headers)
1253 (gnus-treat-hide-signature gnus-article-hide-signature)
1254 (gnus-treat-strip-list-identifiers gnus-article-hide-list-identifiers)
1255 (gnus-treat-leading-whitespace gnus-article-remove-leading-whitespace)
1256 (gnus-treat-strip-pgp gnus-article-hide-pgp)
1257 (gnus-treat-strip-pem gnus-article-hide-pem)
1258 (gnus-treat-from-picon gnus-treat-from-picon)
1259 (gnus-treat-mail-picon gnus-treat-mail-picon)
1260 (gnus-treat-newsgroups-picon gnus-treat-newsgroups-picon)
1261 (gnus-treat-highlight-headers gnus-article-highlight-headers)
1262 (gnus-treat-highlight-signature gnus-article-highlight-signature)
1263 (gnus-treat-strip-trailing-blank-lines
1264 gnus-article-remove-trailing-blank-lines)
1265 (gnus-treat-strip-leading-blank-lines
1266 gnus-article-strip-leading-blank-lines)
1267 (gnus-treat-strip-multiple-blank-lines
1268 gnus-article-strip-multiple-blank-lines)
1269 (gnus-treat-overstrike gnus-article-treat-overstrike)
1270 (gnus-treat-unfold-headers gnus-article-treat-unfold-headers)
1271 (gnus-treat-fold-headers gnus-article-treat-fold-headers)
1272 (gnus-treat-fold-newsgroups gnus-article-treat-fold-newsgroups)
1273 (gnus-treat-buttonize-head gnus-article-add-buttons-to-head)
1274 (gnus-treat-display-smileys gnus-treat-smiley)
1275 (gnus-treat-capitalize-sentences gnus-article-capitalize-sentences)
1276 (gnus-treat-emphasize gnus-article-emphasize)
1277 (gnus-treat-hide-citation gnus-article-hide-citation)
1278 (gnus-treat-hide-citation-maybe gnus-article-hide-citation-maybe)
1279 (gnus-treat-highlight-citation gnus-article-highlight-citation)
1280 (gnus-treat-body-boundary gnus-article-treat-body-boundary)
1281 (gnus-treat-play-sounds gnus-earcon-display)))
1283 (defvar gnus-article-mime-handle-alist nil)
1284 (defvar article-lapsed-timer nil)
1285 (defvar gnus-article-current-summary nil)
1287 (defvar gnus-article-mode-syntax-table
1288 (let ((table (copy-syntax-table text-mode-syntax-table)))
1289 ;; This causes the citation match run O(2^n).
1290 ;; (modify-syntax-entry ?- "w" table)
1291 (modify-syntax-entry ?> ")<" table)
1292 (modify-syntax-entry ?< "(>" table)
1294 "Syntax table used in article mode buffers.
1295 Initialized from `text-mode-syntax-table.")
1297 (defvar gnus-save-article-buffer nil)
1299 (defvar gnus-article-mode-line-format-alist
1300 (nconc '((?w (gnus-article-wash-status) ?s)
1301 (?m (gnus-article-mime-part-status) ?s))
1302 gnus-summary-mode-line-format-alist))
1304 (defvar gnus-number-of-articles-to-be-saved nil)
1306 (defvar gnus-inhibit-hiding nil)
1308 ;;; Macros for dealing with the article buffer.
1310 (defmacro gnus-with-article-headers (&rest forms)
1312 (set-buffer gnus-article-buffer)
1314 (let ((buffer-read-only nil)
1315 (inhibit-point-motion-hooks t)
1316 (case-fold-search t))
1317 (article-narrow-to-head)
1320 (put 'gnus-with-article-headers 'lisp-indent-function 0)
1321 (put 'gnus-with-article-headers 'edebug-form-spec '(body))
1323 (defmacro gnus-with-article-buffer (&rest forms)
1325 (set-buffer gnus-article-buffer)
1326 (let ((buffer-read-only nil))
1329 (put 'gnus-with-article-buffer 'lisp-indent-function 0)
1330 (put 'gnus-with-article-buffer 'edebug-form-spec '(body))
1332 (defun gnus-article-goto-header (header)
1333 "Go to HEADER, which is a regular expression."
1334 (re-search-forward (concat "^\\(" header "\\):") nil t))
1336 (defsubst gnus-article-hide-text (b e props)
1337 "Set text PROPS on the B to E region, extending `intangible' 1 past B."
1338 (gnus-add-text-properties-when 'article-type nil b e props)
1339 (when (memq 'intangible props)
1341 (max (1- b) (point-min))
1342 b 'intangible (cddr (memq 'intangible props)))))
1344 (defsubst gnus-article-unhide-text (b e)
1345 "Remove hidden text properties from region between B and E."
1346 (remove-text-properties b e gnus-hidden-properties)
1347 (when (memq 'intangible gnus-hidden-properties)
1348 (put-text-property (max (1- b) (point-min))
1349 b 'intangible nil)))
1351 (defun gnus-article-hide-text-type (b e type)
1352 "Hide text of TYPE between B and E."
1353 (gnus-add-wash-type type)
1354 (gnus-article-hide-text
1355 b e (cons 'article-type (cons type gnus-hidden-properties))))
1357 (defun gnus-article-unhide-text-type (b e type)
1358 "Unhide text of TYPE between B and E."
1359 (gnus-delete-wash-type type)
1360 (remove-text-properties
1361 b e (cons 'article-type (cons type gnus-hidden-properties)))
1362 (when (memq 'intangible gnus-hidden-properties)
1363 (put-text-property (max (1- b) (point-min))
1364 b 'intangible nil)))
1366 (defun gnus-article-hide-text-of-type (type)
1367 "Hide text of TYPE in the current buffer."
1369 (let ((b (point-min))
1371 (while (setq b (text-property-any b e 'article-type type))
1372 (add-text-properties b (incf b) gnus-hidden-properties)))))
1374 (defun gnus-article-delete-text-of-type (type)
1375 "Delete text of TYPE in the current buffer."
1377 (let ((b (point-min)))
1378 (while (setq b (text-property-any b (point-max) 'article-type type))
1380 b (or (text-property-not-all b (point-max) 'article-type type)
1383 (defun gnus-article-delete-invisible-text ()
1384 "Delete all invisible text in the current buffer."
1386 (let ((b (point-min)))
1387 (while (setq b (text-property-any b (point-max) 'invisible t))
1389 b (or (text-property-not-all b (point-max) 'invisible t)
1392 (defun gnus-article-text-type-exists-p (type)
1393 "Say whether any text of type TYPE exists in the buffer."
1394 (text-property-any (point-min) (point-max) 'article-type type))
1396 (defsubst gnus-article-header-rank ()
1397 "Give the rank of the string HEADER as given by `gnus-sorted-header-list'."
1398 (let ((list gnus-sorted-header-list)
1401 (when (looking-at (car list))
1403 (setq list (cdr list))
1407 (defun article-hide-headers (&optional arg delete)
1408 "Hide unwanted headers and possibly sort them as well."
1410 ;; This function might be inhibited.
1411 (unless gnus-inhibit-hiding
1414 (let ((buffer-read-only nil)
1415 (case-fold-search t)
1416 (max (1+ (length gnus-sorted-header-list)))
1417 (ignored (when (not gnus-visible-headers)
1418 (cond ((stringp gnus-ignored-headers)
1419 gnus-ignored-headers)
1420 ((listp gnus-ignored-headers)
1421 (mapconcat 'identity gnus-ignored-headers
1424 (cond ((stringp gnus-visible-headers)
1425 gnus-visible-headers)
1426 ((and gnus-visible-headers
1427 (listp gnus-visible-headers))
1428 (mapconcat 'identity gnus-visible-headers "\\|"))))
1429 (inhibit-point-motion-hooks t)
1431 ;; First we narrow to just the headers.
1432 (article-narrow-to-head)
1433 ;; Hide any "From " lines at the beginning of (mail) articles.
1434 (while (looking-at "From ")
1437 (delete-region (point-min) (point)))
1438 ;; Then treat the rest of the header lines.
1439 ;; Then we use the two regular expressions
1440 ;; `gnus-ignored-headers' and `gnus-visible-headers' to
1441 ;; select which header lines is to remain visible in the
1443 (while (re-search-forward "^[^ \t:]*:" nil t)
1445 ;; Mark the rank of the header.
1447 (point) (1+ (point)) 'message-rank
1448 (if (or (and visible (looking-at visible))
1450 (not (looking-at ignored))))
1451 (gnus-article-header-rank)
1454 (message-sort-headers-1)
1455 (when (setq beg (text-property-any
1456 (point-min) (point-max) 'message-rank (+ 2 max)))
1457 ;; We delete the unwanted headers.
1458 (gnus-add-wash-type 'headers)
1459 (add-text-properties (point-min) (+ 5 (point-min))
1460 '(article-type headers dummy-invisible t))
1461 (delete-region beg (point-max))))))))
1463 (defun article-hide-boring-headers (&optional arg)
1464 "Toggle hiding of headers that aren't very interesting.
1465 If given a negative prefix, always show; if given a positive prefix,
1467 (interactive (gnus-article-hidden-arg))
1468 (when (and (not (gnus-article-check-hidden-text 'boring-headers arg))
1469 (not gnus-show-all-headers))
1472 (let ((buffer-read-only nil)
1473 (list gnus-boring-article-headers)
1474 (inhibit-point-motion-hooks t)
1476 (article-narrow-to-head)
1478 (setq elem (pop list))
1479 (goto-char (point-min))
1481 ;; Hide empty headers.
1483 (while (re-search-forward "^[^: \t]+:[ \t]*\n[^ \t]" nil t)
1485 (gnus-article-hide-text-type
1486 (progn (beginning-of-line) (point))
1489 (if (re-search-forward "^[^ \t]" nil t)
1493 ;; Hide boring Newsgroups header.
1494 ((eq elem 'newsgroups)
1495 (when (gnus-string-equal
1496 (gnus-fetch-field "newsgroups")
1497 (gnus-group-real-name
1498 (if (boundp 'gnus-newsgroup-name)
1501 (gnus-article-hide-header "newsgroups")))
1502 ((eq elem 'to-address)
1503 (let ((to (message-fetch-field "to"))
1505 (gnus-parameter-to-address
1506 (if (boundp 'gnus-newsgroup-name)
1507 gnus-newsgroup-name ""))))
1508 (when (and to to-address
1511 ;; only one address in To
1512 (nth 1 (mail-extract-address-components to))
1514 (gnus-article-hide-header "to"))))
1515 ((eq elem 'followup-to)
1516 (when (gnus-string-equal
1517 (message-fetch-field "followup-to")
1518 (message-fetch-field "newsgroups"))
1519 (gnus-article-hide-header "followup-to")))
1520 ((eq elem 'reply-to)
1521 (let ((from (message-fetch-field "from"))
1522 (reply-to (message-fetch-field "reply-to")))
1527 (nth 1 (mail-extract-address-components from))
1528 (nth 1 (mail-extract-address-components reply-to)))))
1529 (gnus-article-hide-header "reply-to"))))
1531 (let ((date (message-fetch-field "date")))
1533 (< (days-between (current-time-string) date)
1535 (gnus-article-hide-header "date"))))
1537 (let ((to (message-fetch-field "to"))
1538 (cc (message-fetch-field "cc")))
1539 (when (> (length to) 1024)
1540 (gnus-article-hide-header "to"))
1541 (when (> (length cc) 1024)
1542 (gnus-article-hide-header "cc"))))
1546 (goto-char (point-min))
1547 (while (re-search-forward "^to:" nil t)
1548 (setq to-count (1+ to-count)))
1549 (when (> to-count 1)
1550 (while (> to-count 0)
1551 (goto-char (point-min))
1553 (re-search-forward "^to:" nil nil to-count)
1555 (narrow-to-region (point) (point-max))
1556 (gnus-article-hide-header "to"))
1557 (setq to-count (1- to-count))))
1558 (goto-char (point-min))
1559 (while (re-search-forward "^cc:" nil t)
1560 (setq cc-count (1+ cc-count)))
1561 (when (> cc-count 1)
1562 (while (> cc-count 0)
1563 (goto-char (point-min))
1565 (re-search-forward "^cc:" nil nil cc-count)
1567 (narrow-to-region (point) (point-max))
1568 (gnus-article-hide-header "cc"))
1569 (setq cc-count (1- cc-count)))))))))))))
1571 (defun gnus-article-hide-header (header)
1573 (goto-char (point-min))
1574 (when (re-search-forward (concat "^" header ":") nil t)
1575 (gnus-article-hide-text-type
1576 (progn (beginning-of-line) (point))
1579 (if (re-search-forward "^[^ \t]" nil t)
1584 (defvar gnus-article-normalized-header-length 40
1585 "Length of normalized headers.")
1587 (defun article-normalize-headers ()
1588 "Make all header lines 40 characters long."
1590 (let ((buffer-read-only nil)
1594 (article-narrow-to-head)
1597 ((< (setq column (- (gnus-point-at-eol) (point)))
1598 gnus-article-normalized-header-length)
1600 (insert (make-string
1601 (- gnus-article-normalized-header-length column)
1603 ((> column gnus-article-normalized-header-length)
1604 (gnus-put-text-property
1606 (forward-char gnus-article-normalized-header-length)
1613 (forward-line 1))))))
1615 (defun article-treat-dumbquotes ()
1616 "Translate M****s*** sm*rtq**t*s into proper text.
1617 Note that this function guesses whether a character is a sm*rtq**t* or
1618 not, so it should only be used interactively.
1620 Sm*rtq**t*s are M****s***'s unilateral extension to the character map
1621 in an attempt to provide more quoting characters. If you see
1622 something like \\222 or \\264 where you're expecting some kind of
1623 apostrophe or quotation mark, then try this wash."
1625 (article-translate-strings gnus-article-dumbquotes-map))
1627 (defun article-translate-characters (from to)
1628 "Translate all characters in the body of the article according to FROM and TO.
1629 FROM is a string of characters to translate from; to is a string of
1630 characters to translate to."
1632 (when (article-goto-body)
1633 (let ((buffer-read-only nil)
1634 (x (make-string 225 ?x))
1636 (while (< (incf i) (length x))
1639 (while (< i (length from))
1640 (aset x (aref from i) (aref to i))
1642 (translate-region (point) (point-max) x)))))
1644 (defun article-translate-strings (map)
1645 "Translate all string in the body of the article according to MAP.
1646 MAP is an alist where the elements are on the form (\"from\" \"to\")."
1648 (when (article-goto-body)
1649 (let ((buffer-read-only nil)
1651 (while (setq elem (pop map))
1653 (while (search-forward (car elem) nil t)
1654 (replace-match (cadr elem)))))))))
1656 (defun article-treat-overstrike ()
1657 "Translate overstrikes into bold text."
1660 (when (article-goto-body)
1661 (let ((buffer-read-only nil))
1662 (while (search-forward "\b" nil t)
1663 (let ((next (char-after))
1664 (previous (char-after (- (point) 2))))
1665 ;; We do the boldification/underlining by hiding the
1666 ;; overstrikes and putting the proper text property
1670 (gnus-article-hide-text-type (- (point) 2) (point) 'overstrike)
1671 (put-text-property (point) (1+ (point)) 'face 'bold))
1673 (gnus-article-hide-text-type
1674 (1- (point)) (1+ (point)) 'overstrike)
1676 (- (point) 2) (1- (point)) 'face 'underline))
1678 (gnus-article-hide-text-type (- (point) 2) (point) 'overstrike)
1680 (point) (1+ (point)) 'face 'underline)))))))))
1682 (defun gnus-article-treat-unfold-headers ()
1683 "Unfold folded message headers.
1684 Only the headers that fit into the current window width will be
1687 (gnus-with-article-headers
1691 (mail-header-narrow-to-field)
1692 (let ((header (buffer-substring (point-min) (point-max))))
1695 (goto-char (point-min))
1696 (while (re-search-forward "\n[\t ]" nil t)
1697 (replace-match " " t t)))
1698 (setq length (- (point-max) (point-min) 1)))
1699 (when (< length (window-width))
1700 (while (re-search-forward "\n[\t ]" nil t)
1701 (replace-match " " t t)))
1702 (goto-char (point-max)))))))
1704 (defun gnus-article-treat-fold-headers ()
1705 "Fold message headers."
1707 (gnus-with-article-headers
1710 (mail-header-narrow-to-field)
1711 (mail-header-fold-field)
1712 (goto-char (point-max))))))
1714 (defun gnus-treat-smiley ()
1715 "Toggle display of textual emoticons (\"smileys\") as small graphical icons."
1717 (gnus-with-article-buffer
1718 (if (memq 'smiley gnus-article-wash-types)
1719 (gnus-delete-images 'smiley)
1721 (let ((images (smiley-region (point) (point-max))))
1723 (gnus-add-wash-type 'smiley)
1724 (dolist (image images)
1725 (gnus-add-image 'smiley image)))))))
1727 (defun gnus-article-remove-images ()
1728 "Remove all images from the article buffer."
1730 (gnus-with-article-buffer
1731 (dolist (elem gnus-article-image-alist)
1732 (gnus-delete-images (car elem)))))
1734 (defun gnus-article-treat-fold-newsgroups ()
1735 "Unfold folded message headers.
1736 Only the headers that fit into the current window width will be
1739 (gnus-with-article-headers
1740 (while (gnus-article-goto-header "newsgroups\\|followup-to")
1742 (mail-header-narrow-to-field)
1743 (while (re-search-forward ", *" nil t)
1744 (replace-match ", " t t))
1745 (mail-header-fold-field)
1746 (goto-char (point-max))))))
1748 (defun gnus-article-treat-body-boundary ()
1749 "Place a boundary line at the end of the headers."
1751 (when (and gnus-body-boundary-delimiter
1752 (> (length gnus-body-boundary-delimiter) 0))
1753 (gnus-with-article-headers
1754 (goto-char (point-max))
1755 (let ((start (point)))
1756 (insert "X-Boundary: ")
1757 (gnus-add-text-properties start (point) '(invisible t intangible t))
1759 (while (>= (1- (window-width)) (length str))
1760 (setq str (concat str gnus-body-boundary-delimiter)))
1761 (substring str 0 (1- (window-width))))
1763 (gnus-put-text-property start (point) 'gnus-decoration 'header)))))
1765 (defun article-fill-long-lines ()
1766 "Fill lines that are wider than the window width."
1769 (let ((buffer-read-only nil)
1770 (width (window-width (get-buffer-window (current-buffer)))))
1773 (let ((adaptive-fill-mode nil)) ;Why? -sm
1776 (when (>= (current-column) (min fill-column width))
1777 (narrow-to-region (point) (gnus-point-at-bol))
1778 (fill-paragraph nil)
1779 (goto-char (point-max))
1781 (forward-line 1)))))))
1783 (defun article-capitalize-sentences ()
1784 "Capitalize the first word in each sentence."
1787 (let ((buffer-read-only nil)
1788 (paragraph-start "^[\n\^L]"))
1792 (forward-sentence)))))
1794 (defun article-remove-cr ()
1795 "Remove trailing CRs and then translate remaining CRs into LFs."
1798 (let ((buffer-read-only nil))
1799 (goto-char (point-min))
1800 (while (re-search-forward "\r+$" nil t)
1801 (replace-match "" t t))
1802 (goto-char (point-min))
1803 (while (search-forward "\r" nil t)
1804 (replace-match "\n" t t)))))
1806 (defun article-remove-trailing-blank-lines ()
1807 "Remove all trailing blank lines from the article."
1810 (let ((buffer-read-only nil))
1811 (goto-char (point-max))
1815 (while (and (not (bobp))
1816 (looking-at "^[ \t]*$")
1817 (not (gnus-annotation-in-region-p
1818 (point) (gnus-point-at-eol))))
1823 (defun article-display-x-face (&optional force)
1824 "Look for an X-Face header and display it if present."
1825 (interactive (list 'force))
1826 (let ((wash-face-p buffer-read-only)) ;; When type `W f'
1827 (gnus-with-article-headers
1828 ;; Delete the old process, if any.
1829 (when (process-status "article-x-face")
1830 (delete-process "article-x-face"))
1831 (if (memq 'xface gnus-article-wash-types)
1832 ;; We have already displayed X-Faces, so we remove them
1834 (gnus-delete-images 'xface)
1836 (let (x-faces from face grey)
1838 (when (and wash-face-p
1840 (goto-char (point-min))
1841 (not (re-search-forward
1842 "^X-Face\\(-[0-9]+\\)?:[\t ]*" nil t)))
1843 (gnus-buffer-live-p gnus-original-article-buffer))
1844 ;; If type `W f', use gnus-original-article-buffer,
1845 ;; otherwise use the current buffer because displaying
1846 ;; RFC822 parts calls this function too.
1847 (set-buffer gnus-original-article-buffer))
1849 (mail-narrow-to-head)
1850 (if gnus-treat-display-grey-xface
1852 (while (gnus-article-goto-header "X-Face\\(-[0-9]+\\)?")
1853 (if (match-beginning 2)
1856 (push (cons (- (string-to-number (match-string 2)))
1857 (mail-header-field-value))
1859 (push (cons 0 (mail-header-field-value)) x-faces)))
1860 (dolist (x-face (prog1
1862 (sort x-faces 'car-less-than-car)
1864 (setq x-faces nil)))
1865 (push (cdr x-face) x-faces)))
1866 (while (gnus-article-goto-header "X-Face")
1867 (push (mail-header-field-value) x-faces)))
1868 (setq from (message-fetch-field "from"))))
1870 (let ((xpm (gnus-convert-gray-x-face-to-xpm x-faces))
1873 (setq image (gnus-create-image xpm 'xpm t))
1874 (gnus-article-goto-header "from")
1876 (insert "From: [no `from' set]\n")
1878 (gnus-add-wash-type 'xface)
1879 (gnus-add-image 'xface image)
1880 (gnus-put-image image)))
1881 ;; Sending multiple EOFs to xv doesn't work, so we only do a
1882 ;; single external face.
1883 (when (stringp gnus-article-x-face-command)
1884 (setq x-faces (list (car x-faces))))
1885 (while (and (setq face (pop x-faces))
1886 gnus-article-x-face-command
1888 ;; Check whether this face is censored.
1889 (not gnus-article-x-face-too-ugly)
1890 (and gnus-article-x-face-too-ugly from
1891 (not (string-match gnus-article-x-face-too-ugly
1893 ;; We display the face.
1894 (if (symbolp gnus-article-x-face-command)
1895 ;; The command is a lisp function, so we call it.
1896 (if (gnus-functionp gnus-article-x-face-command)
1897 (funcall gnus-article-x-face-command face)
1898 (error "%s is not a function" gnus-article-x-face-command))
1899 ;; The command is a string, so we interpret the command
1900 ;; as a, well, command, and fork it off.
1901 (let ((process-connection-type nil))
1902 (process-kill-without-query
1904 "article-x-face" nil shell-file-name shell-command-switch
1905 gnus-article-x-face-command))
1908 (process-send-region "article-x-face"
1909 (point-min) (point-max)))
1910 (process-send-eof "article-x-face"))))))))))
1912 (defun article-decode-mime-words ()
1913 "Decode all MIME-encoded words in the article."
1916 (set-buffer gnus-article-buffer)
1917 (let ((inhibit-point-motion-hooks t)
1919 (mail-parse-charset gnus-newsgroup-charset)
1920 (mail-parse-ignored-charsets
1921 (save-excursion (set-buffer gnus-summary-buffer)
1922 gnus-newsgroup-ignored-charsets)))
1923 (mail-decode-encoded-word-region (point-min) (point-max)))))
1925 (defun article-decode-charset (&optional prompt)
1926 "Decode charset-encoded text in the article.
1927 If PROMPT (the prefix), prompt for a coding system to use."
1929 (let ((inhibit-point-motion-hooks t) (case-fold-search t)
1931 (mail-parse-charset gnus-newsgroup-charset)
1932 (mail-parse-ignored-charsets
1933 (save-excursion (condition-case nil
1934 (set-buffer gnus-summary-buffer)
1936 gnus-newsgroup-ignored-charsets))
1937 ct cte ctl charset format)
1940 (article-narrow-to-head)
1941 (setq ct (message-fetch-field "Content-Type" t)
1942 cte (message-fetch-field "Content-Transfer-Encoding" t)
1943 ctl (and ct (ignore-errors
1944 (mail-header-parse-content-type ct)))
1947 (mm-read-coding-system "Charset to decode: "))
1949 (mail-content-type-get ctl 'charset)))
1950 format (and ctl (mail-content-type-get ctl 'format)))
1952 (setq cte (mail-header-strip cte)))
1953 (if (and ctl (not (string-match "/" (car ctl))))
1955 (goto-char (point-max)))
1958 (narrow-to-region (point) (point-max))
1959 (when (and (eq mail-parse-charset 'gnus-decoded)
1960 (eq (mm-body-7-or-8) '8bit))
1961 ;; The text code could have been decoded.
1962 (setq charset mail-parse-charset))
1963 (when (and (or (not ctl)
1964 (equal (car ctl) "text/plain"))
1965 (not format)) ;; article with format will decode later.
1967 charset (and cte (intern (downcase
1968 (gnus-strip-whitespace cte))))
1971 (defun article-decode-encoded-words ()
1972 "Remove encoded-word encoding from headers."
1973 (let ((inhibit-point-motion-hooks t)
1974 (mail-parse-charset gnus-newsgroup-charset)
1975 (mail-parse-ignored-charsets
1976 (save-excursion (condition-case nil
1977 (set-buffer gnus-summary-buffer)
1979 gnus-newsgroup-ignored-charsets))
1982 (article-narrow-to-head)
1983 (funcall gnus-decode-header-function (point-min) (point-max)))))
1985 (defun article-decode-group-name ()
1986 "Decode group names in `Newsgroups:'."
1987 (let ((inhibit-point-motion-hooks t)
1989 (method (gnus-find-method-for-group gnus-newsgroup-name)))
1990 (when (and (or gnus-group-name-charset-method-alist
1991 gnus-group-name-charset-group-alist)
1992 (gnus-buffer-live-p gnus-original-article-buffer))
1993 (when (nnmail-fetch-field "Newsgroups")
1994 (nnheader-replace-header "Newsgroups"
1995 (gnus-decode-newsgroups
1996 (with-current-buffer
1997 gnus-original-article-buffer
1998 (nnmail-fetch-field "Newsgroups"))
1999 gnus-newsgroup-name method)))
2000 (when (nnmail-fetch-field "Followup-To")
2001 (nnheader-replace-header "Followup-To"
2002 (gnus-decode-newsgroups
2003 (with-current-buffer
2004 gnus-original-article-buffer
2005 (nnmail-fetch-field "Followup-To"))
2006 gnus-newsgroup-name method))))))
2008 (defun article-de-quoted-unreadable (&optional force read-charset)
2009 "Translate a quoted-printable-encoded article.
2010 If FORCE, decode the article whether it is marked as quoted-printable
2012 If READ-CHARSET, ask for a coding system."
2013 (interactive (list 'force current-prefix-arg))
2015 (let ((buffer-read-only nil) type charset)
2016 (if (gnus-buffer-live-p gnus-original-article-buffer)
2017 (with-current-buffer gnus-original-article-buffer
2019 (gnus-fetch-field "content-transfer-encoding"))
2020 (let* ((ct (gnus-fetch-field "content-type"))
2023 (mail-header-parse-content-type ct)))))
2024 (setq charset (and ctl
2025 (mail-content-type-get ctl 'charset)))
2026 (if (stringp charset)
2027 (setq charset (intern (downcase charset)))))))
2029 (setq charset (mm-read-coding-system "Charset: " charset)))
2031 (setq charset gnus-newsgroup-charset))
2033 (and type (let ((case-fold-search t))
2034 (string-match "quoted-printable" type))))
2036 (quoted-printable-decode-region
2037 (point) (point-max) (mm-charset-to-coding-system charset))))))
2039 (defun article-de-base64-unreadable (&optional force read-charset)
2040 "Translate a base64 article.
2041 If FORCE, decode the article whether it is marked as base64 not.
2042 If READ-CHARSET, ask for a coding system."
2043 (interactive (list 'force current-prefix-arg))
2045 (let ((buffer-read-only nil) type charset)
2046 (if (gnus-buffer-live-p gnus-original-article-buffer)
2047 (with-current-buffer gnus-original-article-buffer
2049 (gnus-fetch-field "content-transfer-encoding"))
2050 (let* ((ct (gnus-fetch-field "content-type"))
2053 (mail-header-parse-content-type ct)))))
2054 (setq charset (and ctl
2055 (mail-content-type-get ctl 'charset)))
2056 (if (stringp charset)
2057 (setq charset (intern (downcase charset)))))))
2059 (setq charset (mm-read-coding-system "Charset: " charset)))
2061 (setq charset gnus-newsgroup-charset))
2063 (and type (let ((case-fold-search t))
2064 (string-match "base64" type))))
2067 (narrow-to-region (point) (point-max))
2068 (base64-decode-region (point-min) (point-max))
2069 (mm-decode-coding-region
2070 (point-min) (point-max) (mm-charset-to-coding-system charset)))))))
2075 (defun article-decode-HZ ()
2076 "Translate a HZ-encoded article."
2080 (let ((buffer-read-only nil))
2081 (rfc1843-decode-region (point-min) (point-max)))))
2083 (defun article-unsplit-urls ()
2084 "Remove the newlines that some other mailers insert into URLs."
2087 (let ((buffer-read-only nil))
2088 (goto-char (point-min))
2089 (while (re-search-forward
2090 "^\\(\\(https?\\|ftp\\)://\\S-+\\) *\n\\(\\S-+\\)" nil t)
2091 (replace-match "\\1\\3" t)))
2092 (when (and gnus-display-mime-function (interactive-p))
2093 (funcall gnus-display-mime-function))))
2096 (defun article-wash-html (&optional read-charset)
2097 "Format an html article.
2098 If READ-CHARSET, ask for a coding system."
2101 (let ((buffer-read-only nil)
2103 (if (gnus-buffer-live-p gnus-original-article-buffer)
2104 (with-current-buffer gnus-original-article-buffer
2105 (let* ((ct (gnus-fetch-field "content-type"))
2108 (mail-header-parse-content-type ct)))))
2109 (setq charset (and ctl
2110 (mail-content-type-get ctl 'charset)))
2111 (if (stringp charset)
2112 (setq charset (intern (downcase charset)))))))
2114 (setq charset (mm-read-coding-system "Charset: " charset)))
2116 (setq charset gnus-newsgroup-charset))
2118 (save-window-excursion
2120 (narrow-to-region (point) (point-max))
2121 (let* ((func (or gnus-article-wash-function mm-text-html-renderer))
2122 (entry (assq func mm-text-html-washer-alist)))
2124 (setq func (cdr entry)))
2126 ((gnus-functionp func)
2129 (apply (car func) (cdr func))))))))))
2131 (defun gnus-article-wash-html-with-w3 ()
2132 "Wash the current buffer with w3."
2134 (let ((w3-strict-width (window-width))
2135 (url-standalone-mode t)
2136 (url-gateway-unplugged t)
2137 (w3-honor-stylesheets nil))
2139 (w3-region (point-min) (point-max))
2142 (defun gnus-article-wash-html-with-w3m ()
2143 "Wash the current buffer with emacs-w3m."
2146 (narrow-to-region (point) (point-max))
2147 (let ((w3m-safe-url-regexp (if mm-inline-text-html-with-images
2150 (w3m-display-inline-images mm-inline-text-html-with-images)
2151 w3m-force-redisplay)
2152 (w3m-region (point-min) (point-max)))
2153 (when mm-inline-text-html-with-w3m-keymap
2154 (add-text-properties
2155 (point-min) (point-max)
2156 (append '(mm-inline-text-html-with-w3m t)
2157 (gnus-local-map-property mm-w3m-mode-map))))))
2159 (defun article-hide-list-identifiers ()
2160 "Remove list identifies from the Subject header.
2161 The `gnus-list-identifiers' variable specifies what to do."
2163 (let ((inhibit-point-motion-hooks t)
2164 (regexp (if (consp gnus-list-identifiers)
2165 (mapconcat 'identity gnus-list-identifiers " *\\|")
2166 gnus-list-identifiers))
2171 (article-narrow-to-head)
2172 (goto-char (point-min))
2173 (while (re-search-forward
2174 (concat "^Subject: +\\(R[Ee]: +\\)*\\(" regexp " *\\)")
2176 (delete-region (match-beginning 2) (match-end 0))
2177 (beginning-of-line))
2178 (when (re-search-forward
2179 "^Subject: +\\(\\(R[Ee]: +\\)+\\)R[Ee]: +" nil t)
2180 (delete-region (match-beginning 1) (match-end 1))))))))
2182 (defun article-hide-pgp ()
2183 "Remove any PGP headers and signatures in the current article."
2187 (let ((inhibit-point-motion-hooks t)
2188 buffer-read-only beg end)
2190 ;; Hide the "header".
2191 (when (re-search-forward "^-----BEGIN PGP SIGNED MESSAGE-----\n" nil t)
2192 (gnus-add-wash-type 'pgp)
2193 (delete-region (match-beginning 0) (match-end 0))
2194 ;; Remove armor headers (rfc2440 6.2)
2195 (delete-region (point) (or (re-search-forward "^[ \t]*\n" nil t)
2198 ;; Hide the actual signature.
2199 (and (search-forward "\n-----BEGIN PGP SIGNATURE-----\n" nil t)
2200 (setq end (1+ (match-beginning 0)))
2203 (if (search-forward "\n-----END PGP SIGNATURE-----\n" nil t)
2205 ;; Perhaps we shouldn't hide to the end of the buffer
2206 ;; if there is no end to the signature?
2208 ;; Hide "- " PGP quotation markers.
2210 (narrow-to-region beg end)
2211 (goto-char (point-min))
2212 (while (re-search-forward "^- " nil t)
2214 (match-beginning 0) (match-end 0)))
2216 (gnus-run-hooks 'gnus-article-hide-pgp-hook))))))
2218 (defun article-hide-pem (&optional arg)
2219 "Toggle hiding of any PEM headers and signatures in the current article.
2220 If given a negative prefix, always show; if given a positive prefix,
2222 (interactive (gnus-article-hidden-arg))
2223 (unless (gnus-article-check-hidden-text 'pem arg)
2225 (let (buffer-read-only end)
2226 (goto-char (point-min))
2227 ;; Hide the horrendously ugly "header".
2228 (when (and (search-forward
2229 "\n-----BEGIN PRIVACY-ENHANCED MESSAGE-----\n"
2231 (setq end (1+ (match-beginning 0))))
2232 (gnus-add-wash-type 'pem)
2233 (gnus-article-hide-text-type
2235 (if (search-forward "\n\n" nil t)
2239 ;; Hide the trailer as well
2240 (when (search-forward "\n-----END PRIVACY-ENHANCED MESSAGE-----\n"
2242 (gnus-article-hide-text-type
2243 (match-beginning 0) (match-end 0) 'pem)))))))
2245 (defun article-strip-banner ()
2246 "Strip the banner specified by the `banner' group parameter."
2250 (let ((inhibit-point-motion-hooks t)
2251 (banner (gnus-parameter-banner gnus-newsgroup-name))
2252 (gnus-signature-limit nil)
2253 buffer-read-only beg end)
2257 ((eq banner 'signature)
2258 (when (gnus-article-narrow-to-signature)
2261 (delete-region (point) (point-max))))
2263 (if (setq banner (cdr (assq banner gnus-article-banner-alist)))
2264 (while (re-search-forward banner nil t)
2265 (delete-region (match-beginning 0) (match-end 0)))))
2267 (while (re-search-forward banner nil t)
2268 (delete-region (match-beginning 0) (match-end 0))))))))))
2270 (defun article-babel ()
2271 "Translate article using an online translation service."
2275 (set-buffer gnus-article-buffer)
2276 (when (article-goto-body)
2277 (let* ((buffer-read-only nil)
2280 (orig (buffer-substring start end))
2281 (trans (babel-as-string orig)))
2283 (narrow-to-region start end)
2284 (delete-region start end)
2287 (defun article-hide-signature (&optional arg)
2288 "Hide the signature in the current article.
2289 If given a negative prefix, always show; if given a positive prefix,
2291 (interactive (gnus-article-hidden-arg))
2292 (unless (gnus-article-check-hidden-text 'signature arg)
2295 (let ((buffer-read-only nil))
2296 (when (gnus-article-narrow-to-signature)
2297 (gnus-article-hide-text-type
2298 (point-min) (point-max) 'signature))))))
2299 (gnus-set-mode-line 'article))
2301 (defun article-strip-headers-in-body ()
2302 "Strip offensive headers from bodies."
2306 (let ((case-fold-search t))
2307 (when (looking-at "x-no-archive:")
2308 (gnus-delete-line)))))
2310 (defun article-strip-leading-blank-lines ()
2311 "Remove all blank lines from the beginning of the article."
2314 (let ((inhibit-point-motion-hooks t)
2316 (when (article-goto-body)
2317 (while (and (not (eobp))
2318 (looking-at "[ \t]*$"))
2319 (gnus-delete-line))))))
2321 (defun article-narrow-to-head ()
2322 "Narrow the buffer to the head of the message.
2323 Point is left at the beginning of the narrowed-to region."
2325 (goto-char (point-min))
2326 (if (search-forward "\n\n" nil 1)
2329 (goto-char (point-min)))
2331 (defun article-goto-body ()
2332 "Place point at the start of the body."
2333 (goto-char (point-min))
2335 ;; This variable is only bound when dealing with separate
2337 (article-goto-body-goes-to-point-min-p
2339 ((search-forward "\n\n" nil t)
2342 (goto-char (point-max))
2345 (defun article-strip-multiple-blank-lines ()
2346 "Replace consecutive blank lines with one empty line."
2349 (let ((inhibit-point-motion-hooks t)
2351 ;; First make all blank lines empty.
2353 (while (re-search-forward "^[ \t]+$" nil t)
2354 (unless (gnus-annotation-in-region-p
2355 (match-beginning 0) (match-end 0))
2356 (replace-match "" nil t)))
2357 ;; Then replace multiple empty lines with a single empty line.
2359 (while (re-search-forward "\n\n\\(\n+\\)" nil t)
2360 (unless (gnus-annotation-in-region-p
2361 (match-beginning 0) (match-end 0))
2362 (delete-region (match-beginning 1) (match-end 1)))))))
2364 (defun article-strip-leading-space ()
2365 "Remove all white space from the beginning of the lines in the article."
2368 (let ((inhibit-point-motion-hooks t)
2371 (while (re-search-forward "^[ \t]+" nil t)
2372 (replace-match "" t t)))))
2374 (defun article-strip-trailing-space ()
2375 "Remove all white space from the end of the lines in the article."
2378 (let ((inhibit-point-motion-hooks t)
2381 (while (re-search-forward "[ \t]+$" nil t)
2382 (replace-match "" t t)))))
2384 (defun article-strip-blank-lines ()
2385 "Strip leading, trailing and multiple blank lines."
2387 (article-strip-leading-blank-lines)
2388 (article-remove-trailing-blank-lines)
2389 (article-strip-multiple-blank-lines))
2391 (defun article-strip-all-blank-lines ()
2392 "Strip all blank lines."
2395 (let ((inhibit-point-motion-hooks t)
2398 (while (re-search-forward "^[ \t]*\n" nil t)
2399 (replace-match "" t t)))))
2401 (defun gnus-article-narrow-to-signature ()
2402 "Narrow to the signature; return t if a signature is found, else nil."
2403 (let ((inhibit-point-motion-hooks t))
2404 (when (gnus-article-search-signature)
2406 ;; Check whether we have some limits to what we consider
2407 ;; to be a signature.
2408 (let ((limits (if (listp gnus-signature-limit) gnus-signature-limit
2409 (list gnus-signature-limit)))
2411 (while (setq limit (pop limits))
2412 (if (or (and (integerp limit)
2413 (< (- (point-max) (point)) limit))
2415 (< (count-lines (point) (point-max)) limit))
2416 (and (gnus-functionp limit)
2418 (and (stringp limit)
2419 (not (re-search-forward limit nil t))))
2420 () ; This limit did not succeed.
2424 (narrow-to-region (point) (point-max))
2427 (defun gnus-article-search-signature ()
2428 "Search the current buffer for the signature separator.
2429 Put point at the beginning of the signature separator."
2430 (let ((cur (point)))
2431 (goto-char (point-max))
2432 (if (if (stringp gnus-signature-separator)
2433 (re-search-backward gnus-signature-separator nil t)
2434 (let ((seps gnus-signature-separator))
2436 (not (re-search-backward (car seps) nil t)))
2443 (defun gnus-article-hidden-arg ()
2444 "Return the current prefix arg as a number, or 0 if no prefix."
2445 (list (if current-prefix-arg
2446 (prefix-numeric-value current-prefix-arg)
2449 (defun gnus-article-check-hidden-text (type arg)
2450 "Return nil if hiding is necessary.
2451 Arg can be nil or a number. nil and positive means hide, negative
2452 means show, 0 means toggle."
2455 (let ((hide (gnus-article-hidden-text-p type)))
2461 (gnus-article-show-hidden-text type)
2464 (if (eq hide 'hidden)
2466 (gnus-article-show-hidden-text type)
2470 (defun gnus-article-hidden-text-p (type)
2471 "Say whether the current buffer contains hidden text of type TYPE."
2472 (let ((pos (text-property-any (point-min) (point-max) 'article-type type)))
2474 (not (get-text-property pos 'invisible))
2475 (not (get-text-property pos 'dummy-invisible)))
2477 (text-property-any (1+ pos) (point-max) 'article-type type)))
2482 (defun gnus-article-show-hidden-text (type &optional dummy)
2483 "Show all hidden text of type TYPE.
2484 Originally it is hide instead of DUMMY."
2485 (let ((buffer-read-only nil)
2486 (inhibit-point-motion-hooks t))
2487 (gnus-remove-text-properties-when
2489 (point-min) (point-max)
2490 (cons 'article-type (cons type
2491 gnus-hidden-properties)))
2492 (gnus-delete-wash-type type)))
2494 (defconst article-time-units
2495 `((year . ,(* 365.25 24 60 60))
2496 (week . ,(* 7 24 60 60))
2497 (day . ,(* 24 60 60))
2501 "Mapping from time units to seconds.")
2503 (defun article-date-ut (&optional type highlight header)
2504 "Convert DATE date to universal time in the current article.
2505 If TYPE is `local', convert to local time; if it is `lapsed', output
2506 how much time has lapsed since DATE. For `lapsed', the value of
2507 `gnus-article-date-lapsed-new-header' says whether the \"X-Sent:\" header
2508 should replace the \"Date:\" one, or should be added below it."
2509 (interactive (list 'ut t))
2510 (let* ((header (or header
2511 (message-fetch-field "date")
2513 (tdate-regexp "^Date:[ \t]\\|^X-Sent:[ \t]")
2516 ((not gnus-article-date-lapsed-new-header)
2522 (date (if (vectorp header) (mail-header-date header)
2524 (inhibit-point-motion-hooks t)
2529 (article-narrow-to-head)
2530 (when (re-search-forward tdate-regexp nil t)
2531 (setq bface (get-text-property (gnus-point-at-bol) 'face)
2532 date (or (get-text-property (gnus-point-at-bol)
2535 eface (get-text-property (1- (gnus-point-at-eol)) 'face))
2537 (when (and date (not (string= date "")))
2538 (goto-char (point-min))
2539 (let ((buffer-read-only nil))
2540 ;; Delete any old Date headers.
2541 (while (re-search-forward date-regexp nil t)
2543 (delete-region (progn (beginning-of-line) (point))
2544 (progn (forward-line 1) (point)))
2545 (delete-region (progn (beginning-of-line) (point))
2546 (progn (end-of-line) (point)))
2547 (setq pos (point))))
2548 (when (and (not pos) (re-search-forward tdate-regexp nil t))
2550 (if pos (goto-char pos))
2551 (insert (article-make-date-line date (or type 'ut)))
2557 (when (looking-at "\\([^:]+\\): *\\(.*\\)$")
2558 (put-text-property (match-beginning 1) (1+ (match-end 1))
2559 'original-date date)
2560 (put-text-property (match-beginning 1) (1+ (match-end 1))
2562 (put-text-property (match-beginning 2) (match-end 2)
2565 (defun article-make-date-line (date type)
2566 "Return a DATE line of TYPE."
2567 (unless (memq type '(local ut original user iso8601 lapsed english))
2568 (error "Unknown conversion type: %s" type))
2570 (let ((time (date-to-time date)))
2572 ;; Convert to the local timezone.
2574 (let ((tz (car (current-time-zone time))))
2575 (format "Date: %s %s%02d%02d" (current-time-string time)
2576 (if (> tz 0) "+" "-") (/ (abs tz) 3600)
2577 (/ (% (abs tz) 3600) 60))))
2578 ;; Convert to Universal Time.
2581 (current-time-string
2582 (let* ((e (parse-time-string date))
2583 (tm (apply 'encode-time e))
2585 (ls (- (cadr tm) (car (current-time-zone time)))))
2586 (cond ((< ls 0) (list (1- ms) (+ ls 65536)))
2587 ((> ls 65535) (list (1+ ms) (- ls 65536)))
2590 ;; Get the original date from the article.
2591 ((eq type 'original)
2592 (concat "Date: " (if (string-match "\n+$" date)
2593 (substring date 0 (match-beginning 0))
2595 ;; Let the user define the format.
2597 (let ((format (or (condition-case nil
2598 (with-current-buffer gnus-summary-buffer
2599 gnus-article-time-format)
2601 gnus-article-time-format)))
2602 (if (gnus-functionp format)
2603 (funcall format time)
2604 (concat "Date: " (format-time-string format time)))))
2607 (let ((tz (car (current-time-zone time))))
2610 (format-time-string "%Y%m%dT%H%M%S" time)
2611 (format "%s%02d%02d"
2612 (if (> tz 0) "+" "-") (/ (abs tz) 3600)
2613 (/ (% (abs tz) 3600) 60)))))
2614 ;; Do an X-Sent lapsed format.
2616 ;; If the date is seriously mangled, the timezone functions are
2617 ;; liable to bug out, so we ignore all errors.
2618 (let* ((now (current-time))
2619 (real-time (subtract-time now time))
2620 (real-sec (and real-time
2621 (+ (* (float (car real-time)) 65536)
2623 (sec (and real-time (abs real-sec)))
2633 ;; This is a bit convoluted, but basically we go
2634 ;; through the time units for years, weeks, etc,
2635 ;; and divide things to see whether that results
2636 ;; in positive answers.
2639 (if (zerop (setq num (ffloor (/ sec (cdr unit)))))
2640 ;; The (remaining) seconds are too few to
2641 ;; be divided into this time unit.
2643 ;; It's big enough, so we output it.
2644 (setq sec (- sec (* num (cdr unit))))
2646 (concat (if prev ", " "") (int-to-string
2648 " " (symbol-name (car unit))
2649 (if (> num 1) "s" ""))
2651 article-time-units "")
2652 ;; If dates are odd, then it might appear like the
2653 ;; article was sent in the future.
2656 " in the future"))))))
2657 ;; Display the date in proper English
2659 (let ((dtime (decode-time time)))
2662 (number-to-string (nth 3 dtime))
2663 (let ((digit (% (nth 3 dtime) 10)))
2665 ((memq (nth 3 dtime) '(11 12 13)) "th")
2671 (nth (1- (nth 4 dtime)) gnus-english-month-names)
2673 (number-to-string (nth 5 dtime))
2675 (format "%02d" (nth 2 dtime))
2677 (format "%02d" (nth 1 dtime)))))))
2679 (format "Date: %s (from Gnus)" date))))
2681 (defun article-date-local (&optional highlight)
2682 "Convert the current article date to the local timezone."
2683 (interactive (list t))
2684 (article-date-ut 'local highlight))
2686 (defun article-date-english (&optional highlight)
2687 "Convert the current article date to something that is proper English."
2688 (interactive (list t))
2689 (article-date-ut 'english highlight))
2691 (defun article-date-original (&optional highlight)
2692 "Convert the current article date to what it was originally.
2693 This is only useful if you have used some other date conversion
2694 function and want to see what the date was before converting."
2695 (interactive (list t))
2696 (article-date-ut 'original highlight))
2698 (defun article-date-lapsed (&optional highlight)
2699 "Convert the current article date to time lapsed since it was sent."
2700 (interactive (list t))
2701 (article-date-ut 'lapsed highlight))
2703 (defun article-update-date-lapsed ()
2704 "Function to be run from a timer to update the lapsed time line."
2705 (let (deactivate-mark)
2710 (set-buffer (window-buffer w))
2711 (when (eq major-mode 'gnus-article-mode)
2712 (goto-char (point-min))
2713 (when (re-search-forward "^X-Sent:" nil t)
2714 (article-date-lapsed t))))
2717 (defun gnus-start-date-timer (&optional n)
2718 "Start a timer to update the X-Sent header in the article buffers.
2719 The numerical prefix says how frequently (in seconds) the function
2724 (gnus-stop-date-timer)
2725 (setq article-lapsed-timer
2726 (nnheader-run-at-time 1 n 'article-update-date-lapsed)))
2728 (defun gnus-stop-date-timer ()
2729 "Stop the X-Sent timer."
2731 (when article-lapsed-timer
2732 (nnheader-cancel-timer article-lapsed-timer)
2733 (setq article-lapsed-timer nil)))
2735 (defun article-date-user (&optional highlight)
2736 "Convert the current article date to the user-defined format.
2737 This format is defined by the `gnus-article-time-format' variable."
2738 (interactive (list t))
2739 (article-date-ut 'user highlight))
2741 (defun article-date-iso8601 (&optional highlight)
2742 "Convert the current article date to ISO8601."
2743 (interactive (list t))
2744 (article-date-ut 'iso8601 highlight))
2746 ;; (defun article-show-all ()
2747 ;; "Show all hidden text in the article buffer."
2750 ;; (let ((buffer-read-only nil))
2751 ;; (gnus-article-unhide-text (point-min) (point-max)))))
2753 (defun article-remove-leading-whitespace ()
2754 "Remove excessive whitespace from all headers."
2758 (let ((buffer-read-only nil))
2759 (article-narrow-to-head)
2760 (goto-char (point-min))
2761 (while (re-search-forward "^[^ :]+: \\([ \t]+\\)" nil t)
2762 (delete-region (match-beginning 1) (match-end 1)))))))
2764 (defun article-emphasize (&optional arg)
2765 "Emphasize text according to `gnus-emphasis-alist'."
2766 (interactive (gnus-article-hidden-arg))
2767 (unless (gnus-article-check-hidden-text 'emphasis arg)
2771 (with-current-buffer gnus-summary-buffer
2772 gnus-article-emphasis-alist)
2774 gnus-emphasis-alist))
2775 (buffer-read-only nil)
2776 (props (append '(article-type emphasis)
2777 gnus-hidden-properties))
2778 regexp elem beg invisible visible face)
2781 (while (setq elem (pop alist))
2783 (setq regexp (car elem)
2784 invisible (nth 1 elem)
2785 visible (nth 2 elem)
2787 (while (re-search-forward regexp nil t)
2788 (when (and (match-beginning visible) (match-beginning invisible))
2789 (gnus-article-hide-text
2790 (match-beginning invisible) (match-end invisible) props)
2791 (gnus-article-unhide-text-type
2792 (match-beginning visible) (match-end visible) 'emphasis)
2793 (gnus-put-overlay-excluding-newlines
2794 (match-beginning visible) (match-end visible) 'face face)
2795 (gnus-add-wash-type 'emphasis)
2796 (goto-char (match-end invisible)))))))))
2798 (defun gnus-article-setup-highlight-words (&optional highlight-words)
2799 "Setup newsgroup emphasis alist."
2800 (unless gnus-article-emphasis-alist
2801 (let ((name (and gnus-newsgroup-name
2802 (gnus-group-real-name gnus-newsgroup-name))))
2803 (make-local-variable 'gnus-article-emphasis-alist)
2804 (setq gnus-article-emphasis-alist
2806 (let ((alist gnus-group-highlight-words-alist) elem highlight)
2807 (while (setq elem (pop alist))
2808 (when (and name (string-match (car elem) name))
2810 highlight (copy-sequence (cdr elem)))))
2812 (copy-sequence highlight-words)
2813 (if gnus-newsgroup-name
2814 (copy-sequence (gnus-group-find-parameter
2815 gnus-newsgroup-name 'highlight-words t)))
2816 gnus-emphasis-alist)))))
2819 (defvar gnus-summary-article-menu)
2820 (defvar gnus-summary-post-menu))
2822 ;;; Saving functions.
2824 (defun gnus-article-save (save-buffer file &optional num)
2825 "Save the currently selected article."
2826 (unless gnus-save-all-headers
2827 ;; Remove headers according to `gnus-saved-headers'.
2828 (let ((gnus-visible-headers
2829 (or gnus-saved-headers gnus-visible-headers))
2830 (gnus-article-buffer save-buffer))
2832 (set-buffer save-buffer)
2833 (article-hide-headers 1 t))))
2834 (save-window-excursion
2835 (if (not gnus-default-article-saver)
2836 (error "No default saver is defined")
2837 ;; !!! Magic! The saving functions all save
2838 ;; `gnus-save-article-buffer' (or so they think), but we
2839 ;; bind that variable to our save-buffer.
2840 (set-buffer gnus-article-buffer)
2841 (let* ((gnus-save-article-buffer save-buffer)
2844 ((not gnus-prompt-before-saving) 'default)
2845 ((eq gnus-prompt-before-saving 'always) nil)
2847 (gnus-number-of-articles-to-be-saved
2848 (when (eq gnus-prompt-before-saving t)
2850 (set-buffer gnus-article-current-summary)
2851 (funcall gnus-default-article-saver filename)))))
2853 (defun gnus-read-save-file-name (prompt &optional filename
2854 function group headers variable)
2856 (funcall function group headers (symbol-value variable)))
2861 ((eq filename 'default)
2867 (let* ((split-name (gnus-get-split-value gnus-split-methods))
2870 (if (and gnus-number-of-articles-to-be-saved
2871 (> gnus-number-of-articles-to-be-saved 1))
2872 (format "these %d articles"
2873 gnus-number-of-articles-to-be-saved)
2876 ;; Let the split methods have their say.
2878 ;; No split name was found.
2881 (concat prompt " (default "
2882 (file-name-nondirectory default-name) ") ")
2883 (file-name-directory default-name)
2885 ;; A single group name is returned.
2886 ((stringp split-name)
2888 (funcall function split-name headers
2889 (symbol-value variable)))
2891 (concat prompt " (default "
2892 (file-name-nondirectory default-name) ") ")
2893 (file-name-directory default-name)
2895 ;; A single split name was found
2896 ((= 1 (length split-name))
2897 (let* ((name (expand-file-name
2899 gnus-article-save-directory))
2900 (dir (cond ((file-directory-p name)
2901 (file-name-as-directory name))
2902 ((file-exists-p name) name)
2903 (t gnus-article-save-directory))))
2905 (concat prompt " (default " name ") ")
2907 ;; A list of splits was found.
2909 (setq split-name (nreverse split-name))
2911 (let ((file-name-history
2912 (nconc split-name file-name-history)))
2916 (concat prompt " (`M-p' for defaults) ")
2917 gnus-article-save-directory
2919 gnus-article-save-directory)))
2920 (car (push result file-name-history)))))))
2921 ;; Create the directory.
2922 (gnus-make-directory (file-name-directory file))
2923 ;; If we have read a directory, we append the default file name.
2924 (when (file-directory-p file)
2925 (setq file (expand-file-name (file-name-nondirectory
2927 (file-name-as-directory file))))
2928 ;; Possibly translate some characters.
2929 (nnheader-translate-file-chars file))))))
2930 (gnus-make-directory (file-name-directory result))
2931 (set variable result)))
2933 (defun gnus-article-archive-name (group)
2934 "Return the first instance of an \"Archive-name\" in the current buffer."
2935 (let ((case-fold-search t))
2936 (when (re-search-forward "archive-name: *\\([^ \n\t]+\\)[ \t]*$" nil t)
2937 (nnheader-concat gnus-article-save-directory
2938 (match-string 1)))))
2940 (defun gnus-article-nndoc-name (group)
2941 "If GROUP is an nndoc group, return the name of the parent group."
2942 (when (eq (car (gnus-find-method-for-group group)) 'nndoc)
2943 (gnus-group-get-parameter group 'save-article-group)))
2945 (defun gnus-summary-save-in-rmail (&optional filename)
2946 "Append this article to Rmail file.
2947 Optional argument FILENAME specifies file name.
2948 Directory to save to is default to `gnus-article-save-directory'."
2949 (setq filename (gnus-read-save-file-name
2950 "Save %s in rmail file:" filename
2951 gnus-rmail-save-name gnus-newsgroup-name
2952 gnus-current-headers 'gnus-newsgroup-last-rmail))
2953 (gnus-eval-in-buffer-window gnus-save-article-buffer
2957 (gnus-output-to-rmail filename))))
2960 (defun gnus-summary-save-in-mail (&optional filename)
2961 "Append this article to Unix mail file.
2962 Optional argument FILENAME specifies file name.
2963 Directory to save to is default to `gnus-article-save-directory'."
2964 (setq filename (gnus-read-save-file-name
2965 "Save %s in Unix mail file:" filename
2966 gnus-mail-save-name gnus-newsgroup-name
2967 gnus-current-headers 'gnus-newsgroup-last-mail))
2968 (gnus-eval-in-buffer-window gnus-save-article-buffer
2972 (if (and (file-readable-p filename)
2973 (mail-file-babyl-p filename))
2974 (rmail-output-to-rmail-file filename t)
2975 (gnus-output-to-mail filename)))))
2978 (defun gnus-summary-save-in-file (&optional filename overwrite)
2979 "Append this article to file.
2980 Optional argument FILENAME specifies file name.
2981 Directory to save to is default to `gnus-article-save-directory'."
2982 (setq filename (gnus-read-save-file-name
2983 "Save %s in file:" filename
2984 gnus-file-save-name gnus-newsgroup-name
2985 gnus-current-headers 'gnus-newsgroup-last-file))
2986 (gnus-eval-in-buffer-window gnus-save-article-buffer
2990 (when (and overwrite
2991 (file-exists-p filename))
2992 (delete-file filename))
2993 (gnus-output-to-file filename))))
2996 (defun gnus-summary-write-to-file (&optional filename)
2997 "Write this article to a file, overwriting it if the file exists.
2998 Optional argument FILENAME specifies file name.
2999 The directory to save in defaults to `gnus-article-save-directory'."
3000 (gnus-summary-save-in-file nil t))
3002 (defun gnus-summary-save-body-in-file (&optional filename)
3003 "Append this article body to a file.
3004 Optional argument FILENAME specifies file name.
3005 The directory to save in defaults to `gnus-article-save-directory'."
3006 (setq filename (gnus-read-save-file-name
3007 "Save %s body in file:" filename
3008 gnus-file-save-name gnus-newsgroup-name
3009 gnus-current-headers 'gnus-newsgroup-last-file))
3010 (gnus-eval-in-buffer-window gnus-save-article-buffer
3014 (when (article-goto-body)
3015 (narrow-to-region (point) (point-max)))
3016 (gnus-output-to-file filename))))
3019 (defun gnus-summary-save-in-pipe (&optional command)
3020 "Pipe this article to subprocess."
3022 (cond ((and (eq command 'default)
3023 gnus-last-shell-command)
3024 gnus-last-shell-command)
3029 "Shell command on %s: "
3030 (if (and gnus-number-of-articles-to-be-saved
3031 (> gnus-number-of-articles-to-be-saved 1))
3032 (format "these %d articles"
3033 gnus-number-of-articles-to-be-saved)
3035 gnus-last-shell-command))))
3036 (when (string-equal command "")
3037 (if gnus-last-shell-command
3038 (setq command gnus-last-shell-command)
3039 (error "A command is required")))
3040 (gnus-eval-in-buffer-window gnus-article-buffer
3043 (shell-command-on-region (point-min) (point-max) command nil)))
3044 (setq gnus-last-shell-command command))
3046 (defun gnus-summary-pipe-to-muttprint (&optional command)
3047 "Pipe this article to muttprint."
3048 (setq command (read-string
3049 "Print using command: " gnus-summary-muttprint-program
3050 nil gnus-summary-muttprint-program))
3051 (gnus-summary-save-in-pipe command))
3053 ;;; Article file names when saving.
3055 (defun gnus-capitalize-newsgroup (newsgroup)
3056 "Capitalize NEWSGROUP name."
3057 (when (not (zerop (length newsgroup)))
3058 (concat (char-to-string (upcase (aref newsgroup 0)))
3059 (substring newsgroup 1))))
3061 (defun gnus-Numeric-save-name (newsgroup headers &optional last-file)
3062 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3063 If variable `gnus-use-long-file-name' is non-nil, it is ~/News/News.group/num.
3064 Otherwise, it is like ~/News/news/group/num."
3067 (concat (if (gnus-use-long-file-name 'not-save)
3068 (gnus-capitalize-newsgroup newsgroup)
3069 (gnus-newsgroup-directory-form newsgroup))
3070 "/" (int-to-string (mail-header-number headers)))
3071 gnus-article-save-directory)))
3073 (string-equal (file-name-directory default)
3074 (file-name-directory last-file))
3075 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
3077 (or last-file default))))
3079 (defun gnus-numeric-save-name (newsgroup headers &optional last-file)
3080 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3081 If variable `gnus-use-long-file-name' is non-nil, it is
3082 ~/News/news.group/num. Otherwise, it is like ~/News/news/group/num."
3085 (concat (if (gnus-use-long-file-name 'not-save)
3087 (gnus-newsgroup-directory-form newsgroup))
3088 "/" (int-to-string (mail-header-number headers)))
3089 gnus-article-save-directory)))
3091 (string-equal (file-name-directory default)
3092 (file-name-directory last-file))
3093 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
3095 (or last-file default))))
3097 (defun gnus-plain-save-name (newsgroup headers &optional last-file)
3098 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3099 If variable `gnus-use-long-file-name' is non-nil, it is
3100 ~/News/news.group. Otherwise, it is like ~/News/news/group/news."
3103 (if (gnus-use-long-file-name 'not-save)
3106 (expand-file-name "news" (gnus-newsgroup-directory-form newsgroup))
3108 gnus-article-save-directory)))
3110 (defun gnus-sender-save-name (newsgroup headers &optional last-file)
3111 "Generate file name from sender."
3112 (let ((from (mail-header-from headers)))
3114 (if (and from (string-match "\\([^ <]+\\)@" from))
3115 (match-string 1 from)
3117 gnus-article-save-directory)))
3119 (defun article-verify-x-pgp-sig ()
3122 (if (gnus-buffer-live-p gnus-original-article-buffer)
3123 (let ((sig (with-current-buffer gnus-original-article-buffer
3124 (gnus-fetch-field "X-PGP-Sig")))
3128 (mml2015-clear-verify-function))
3130 (insert-buffer gnus-original-article-buffer)
3131 (setq items (split-string sig))
3132 (message-narrow-to-head)
3133 (let ((inhibit-point-motion-hooks t)
3134 (case-fold-search t))
3135 ;; Don't verify multiple headers.
3136 (setq headers (mapconcat (lambda (header)
3138 (mail-fetch-field header) "\n"))
3139 (split-string (nth 1 items) ",") "")))
3140 (delete-region (point-min) (point-max))
3141 (insert "-----BEGIN PGP SIGNED MESSAGE-----\n\n")
3142 (insert "X-Signed-Headers: " (nth 1 items) "\n")
3147 (if (looking-at "^-")
3150 (insert "\n-----BEGIN PGP SIGNATURE-----\n")
3151 (insert "Version: " (car items) "\n\n")
3152 (insert (mapconcat 'identity (cddr items) "\n"))
3153 (insert "\n-----END PGP SIGNATURE-----\n")
3154 (let ((mm-security-handle (list (format "multipart/signed"))))
3155 (mml2015-clean-buffer)
3156 (let ((coding-system-for-write (or gnus-newsgroup-charset
3158 (funcall (mml2015-clear-verify-function)))
3160 (or (mm-handle-multipart-ctl-parameter
3161 mm-security-handle 'gnus-details)
3162 (mm-handle-multipart-ctl-parameter
3163 mm-security-handle 'gnus-info)))))
3165 (let (buffer-read-only bface eface)
3167 (message-narrow-to-head)
3168 (goto-char (point-max))
3170 (setq bface (get-text-property (gnus-point-at-bol) 'face)
3171 eface (get-text-property (1- (gnus-point-at-eol)) 'face))
3172 (message-remove-header "X-Gnus-PGP-Verify")
3173 (if (re-search-forward "^X-PGP-Sig:" nil t)
3175 (goto-char (point-max)))
3176 (narrow-to-region (point) (point))
3177 (insert "X-Gnus-PGP-Verify: " info "\n")
3178 (goto-char (point-min))
3181 (if (not (looking-at "^[ \t]"))
3185 (goto-char (point-min))
3186 (when (looking-at "\\([^:]+\\): *")
3187 (put-text-property (match-beginning 1) (1+ (match-end 1))
3189 (put-text-property (match-end 0) (point-max)
3190 'face eface)))))))))
3192 (defun article-verify-cancel-lock ()
3193 "Verify Cancel-Lock header."
3195 (if (gnus-buffer-live-p gnus-original-article-buffer)
3196 (canlock-verify gnus-original-article-buffer)))
3203 (setq afunc (car func)
3206 gfunc (intern (format "gnus-%s" func))))
3208 (when (fboundp afunc)
3209 `(lambda (&optional interactive &rest args)
3210 ,(documentation afunc t)
3211 (interactive (list t))
3213 (set-buffer gnus-article-buffer)
3215 (call-interactively ',afunc)
3216 (apply ',afunc args))))))))
3217 '(article-hide-headers
3218 article-verify-x-pgp-sig
3219 article-verify-cancel-lock
3220 article-hide-boring-headers
3221 article-treat-overstrike
3222 article-fill-long-lines
3223 article-capitalize-sentences
3225 article-remove-leading-whitespace
3226 article-display-x-face
3227 article-de-quoted-unreadable
3228 article-de-base64-unreadable
3231 article-unsplit-urls
3232 article-hide-list-identifiers
3234 article-strip-banner
3237 article-hide-signature
3238 article-strip-headers-in-body
3239 article-remove-trailing-blank-lines
3240 article-strip-leading-blank-lines
3241 article-strip-multiple-blank-lines
3242 article-strip-leading-space
3243 article-strip-trailing-space
3244 article-strip-blank-lines
3245 article-strip-all-blank-lines
3247 article-date-english
3248 article-date-iso8601
3249 article-date-original
3251 article-decode-mime-words
3252 article-decode-charset
3253 article-decode-encoded-words
3257 article-treat-dumbquotes
3258 article-normalize-headers
3259 ;; (article-show-all . gnus-article-show-all-headers)
3263 ;;; Gnus article mode
3266 (put 'gnus-article-mode 'mode-class 'special)
3268 (set-keymap-parent gnus-article-mode-map widget-keymap)
3270 (gnus-define-keys gnus-article-mode-map
3271 " " gnus-article-goto-next-page
3272 "\177" gnus-article-goto-prev-page
3273 [delete] gnus-article-goto-prev-page
3274 [backspace] gnus-article-goto-prev-page
3275 "\C-c^" gnus-article-refer-article
3276 "h" gnus-article-show-summary
3277 "s" gnus-article-show-summary
3278 "\C-c\C-m" gnus-article-mail
3279 "?" gnus-article-describe-briefly
3280 "e" gnus-summary-edit-article
3281 "<" beginning-of-buffer
3283 "\C-c\C-i" gnus-info-find-node
3285 "R" gnus-article-reply-with-original
3286 "F" gnus-article-followup-with-original
3287 "\C-hk" gnus-article-describe-key
3288 "\C-hc" gnus-article-describe-key-briefly
3290 "\C-d" gnus-article-read-summary-keys
3291 "\M-*" gnus-article-read-summary-keys
3292 "\M-#" gnus-article-read-summary-keys
3293 "\M-^" gnus-article-read-summary-keys
3294 "\M-g" gnus-article-read-summary-keys)
3296 (substitute-key-definition
3297 'undefined 'gnus-article-read-summary-keys gnus-article-mode-map)
3299 (defun gnus-article-make-menu-bar ()
3300 (unless (boundp 'gnus-article-commands-menu)
3301 (gnus-summary-make-menu-bar))
3302 (gnus-turn-off-edit-menu 'article)
3303 (unless (boundp 'gnus-article-article-menu)
3305 gnus-article-article-menu gnus-article-mode-map ""
3307 ["Scroll forwards" gnus-article-goto-next-page t]
3308 ["Scroll backwards" gnus-article-goto-prev-page t]
3309 ["Show summary" gnus-article-show-summary t]
3310 ["Fetch Message-ID at point" gnus-article-refer-article t]
3311 ["Mail to address at point" gnus-article-mail t]
3312 ["Send a bug report" gnus-bug t]))
3315 gnus-article-treatment-menu gnus-article-mode-map ""
3316 ;; Fixme: this should use :active (and maybe :visible).
3318 ["Hide headers" gnus-article-hide-headers t]
3319 ["Hide signature" gnus-article-hide-signature t]
3320 ["Hide citation" gnus-article-hide-citation t]
3321 ["Treat overstrike" gnus-article-treat-overstrike t]
3322 ["Remove carriage return" gnus-article-remove-cr t]
3323 ["Remove leading whitespace" gnus-article-remove-leading-whitespace t]
3324 ["Remove quoted-unreadable" gnus-article-de-quoted-unreadable t]
3325 ["Remove base64" gnus-article-de-base64-unreadable t]
3326 ["Treat html" gnus-article-wash-html t]
3327 ["Remove newlines from within URLs" gnus-article-unsplit-urls t]
3328 ["Decode HZ" gnus-article-decode-HZ t]))
3330 ;; Note "Commands" menu is defined in gnus-sum.el for consistency
3332 ;; Note "Post" menu is defined in gnus-sum.el for consistency
3334 (gnus-run-hooks 'gnus-article-menu-hook)))
3336 ;; Fixme: do something for the Emacs tool bar in Article mode a la
3339 (defun gnus-article-mode ()
3340 "Major mode for displaying an article.
3342 All normal editing commands are switched off.
3344 The following commands are available in addition to all summary mode
3346 \\<gnus-article-mode-map>
3347 \\[gnus-article-next-page]\t Scroll the article one page forwards
3348 \\[gnus-article-prev-page]\t Scroll the article one page backwards
3349 \\[gnus-article-refer-article]\t Go to the article referred to by an article id near point
3350 \\[gnus-article-show-summary]\t Display the summary buffer
3351 \\[gnus-article-mail]\t Send a reply to the address near point
3352 \\[gnus-article-describe-briefly]\t Describe the current mode briefly
3353 \\[gnus-info-find-node]\t Go to the Gnus info node"
3355 (gnus-simplify-mode-line)
3356 (setq mode-name "Article")
3357 (setq major-mode 'gnus-article-mode)
3358 (make-local-variable 'minor-mode-alist)
3359 (use-local-map gnus-article-mode-map)
3360 (when (gnus-visual-p 'article-menu 'menu)
3361 (gnus-article-make-menu-bar))
3362 (gnus-update-format-specifications nil 'article-mode)
3363 (set (make-local-variable 'page-delimiter) gnus-page-delimiter)
3364 (make-local-variable 'gnus-page-broken)
3365 (make-local-variable 'gnus-button-marker-list)
3366 (make-local-variable 'gnus-article-current-summary)
3367 (make-local-variable 'gnus-article-mime-handles)
3368 (make-local-variable 'gnus-article-decoded-p)
3369 (make-local-variable 'gnus-article-mime-handle-alist)
3370 (make-local-variable 'gnus-article-wash-types)
3371 (make-local-variable 'gnus-article-image-alist)
3372 (make-local-variable 'gnus-article-charset)
3373 (make-local-variable 'gnus-article-ignored-charsets)
3374 (gnus-set-default-directory)
3375 (buffer-disable-undo)
3376 (setq buffer-read-only t)
3377 (set-syntax-table gnus-article-mode-syntax-table)
3378 (mm-enable-multibyte)
3379 (gnus-run-hooks 'gnus-article-mode-hook))
3381 (defun gnus-article-setup-buffer ()
3382 "Initialize the article buffer."
3383 (let* ((name (if gnus-single-article-buffer "*Article*"
3384 (concat "*Article " gnus-newsgroup-name "*")))
3386 (progn (string-match "\\*Article" name)
3387 (concat " *Original Article"
3388 (substring name (match-end 0))))))
3389 (setq gnus-article-buffer name)
3390 (setq gnus-original-article-buffer original)
3391 (setq gnus-article-mime-handle-alist nil)
3392 ;; This might be a variable local to the summary buffer.
3393 (unless gnus-single-article-buffer
3395 (set-buffer gnus-summary-buffer)
3396 (setq gnus-article-buffer name)
3397 (setq gnus-original-article-buffer original)
3398 (gnus-set-global-variables)))
3399 (gnus-article-setup-highlight-words)
3400 ;; Init original article buffer.
3402 (set-buffer (gnus-get-buffer-create gnus-original-article-buffer))
3403 (mm-enable-multibyte)
3404 (setq major-mode 'gnus-original-article-mode)
3405 (make-local-variable 'gnus-original-article))
3406 (if (get-buffer name)
3409 (when gnus-article-mime-handles
3410 (mm-destroy-parts gnus-article-mime-handles)
3411 (setq gnus-article-mime-handles nil))
3412 ;; Set it to nil in article-buffer!
3413 (setq gnus-article-mime-handle-alist nil)
3414 (buffer-disable-undo)
3415 (setq buffer-read-only t)
3416 (unless (eq major-mode 'gnus-article-mode)
3417 (gnus-article-mode))
3420 (set-buffer (gnus-get-buffer-create name))
3422 (make-local-variable 'gnus-summary-buffer)
3423 (gnus-summary-set-local-parameters gnus-newsgroup-name)
3424 (current-buffer)))))
3426 ;; Set article window start at LINE, where LINE is the number of lines
3427 ;; from the head of the article.
3428 (defun gnus-article-set-window-start (&optional line)
3430 (gnus-get-buffer-window gnus-article-buffer t)
3432 (set-buffer gnus-article-buffer)
3433 (goto-char (point-min))
3436 (gnus-message 6 "Moved to bookmark")
3437 (search-forward "\n\n" nil t)
3441 (defun gnus-article-prepare (article &optional all-headers header)
3442 "Prepare ARTICLE in article mode buffer.
3443 ARTICLE should either be an article number or a Message-ID.
3444 If ARTICLE is an id, HEADER should be the article headers.
3445 If ALL-HEADERS is non-nil, no headers are hidden."
3447 ;; Make sure we start in a summary buffer.
3448 (unless (eq major-mode 'gnus-summary-mode)
3449 (set-buffer gnus-summary-buffer))
3450 (setq gnus-summary-buffer (current-buffer))
3451 (let* ((gnus-article (if header (mail-header-number header) article))
3452 (summary-buffer (current-buffer))
3453 (gnus-tmp-internal-hook gnus-article-internal-prepare-hook)
3454 (group gnus-newsgroup-name)
3457 (gnus-article-setup-buffer)
3458 (set-buffer gnus-article-buffer)
3459 ;; Deactivate active regions.
3460 (when (and (boundp 'transient-mark-mode)
3461 transient-mark-mode)
3462 (setq mark-active nil))
3463 (if (not (setq result (let ((buffer-read-only nil))
3464 (gnus-request-article-this-buffer
3466 ;; There is no such article.
3468 (when (and (numberp article)
3469 (not (memq article gnus-newsgroup-sparse)))
3470 (setq gnus-article-current
3471 (cons gnus-newsgroup-name article))
3472 (set-buffer gnus-summary-buffer)
3473 (setq gnus-current-article article)
3474 (if (eq (gnus-article-mark article) gnus-undownloaded-mark)
3476 (gnus-summary-set-agent-mark article)
3477 (message "Message marked for downloading"))
3478 (gnus-summary-mark-article article gnus-canceled-mark)
3479 (unless (memq article gnus-newsgroup-sparse)
3480 (gnus-error 1 "No such article (may have expired or been canceled)")))))
3481 (if (or (eq result 'pseudo)
3482 (eq result 'nneething))
3485 (set-buffer summary-buffer)
3486 (push article gnus-newsgroup-history)
3487 (setq gnus-last-article gnus-current-article
3488 gnus-current-article 0
3489 gnus-current-headers nil
3490 gnus-article-current nil)
3491 (if (eq result 'nneething)
3492 (gnus-configure-windows 'summary)
3493 (gnus-configure-windows 'article))
3494 (gnus-set-global-variables))
3495 (let ((gnus-article-mime-handle-alist-1
3496 gnus-article-mime-handle-alist))
3497 (gnus-set-mode-line 'article)))
3498 ;; The result from the `request' was an actual article -
3499 ;; or at least some text that is now displayed in the
3501 (when (and (numberp article)
3502 (not (eq article gnus-current-article)))
3503 ;; Seems like a new article has been selected.
3504 ;; `gnus-current-article' must be an article number.
3506 (set-buffer summary-buffer)
3507 (push article gnus-newsgroup-history)
3508 (setq gnus-last-article gnus-current-article
3509 gnus-current-article article
3510 gnus-current-headers
3511 (gnus-summary-article-header gnus-current-article)
3512 gnus-article-current
3513 (cons gnus-newsgroup-name gnus-current-article))
3514 (unless (vectorp gnus-current-headers)
3515 (setq gnus-current-headers nil))
3516 (gnus-summary-goto-subject gnus-current-article)
3517 (when (gnus-summary-show-thread)
3518 ;; If the summary buffer really was folded, the
3519 ;; previous goto may not actually have gone to
3520 ;; the right article, but the thread root instead.
3522 (gnus-summary-goto-subject gnus-current-article))
3523 (gnus-run-hooks 'gnus-mark-article-hook)
3524 (gnus-set-mode-line 'summary)
3525 (when (gnus-visual-p 'article-highlight 'highlight)
3526 (gnus-run-hooks 'gnus-visual-mark-article-hook))
3527 ;; Set the global newsgroup variables here.
3528 (gnus-set-global-variables)
3529 (setq gnus-have-all-headers
3530 (or all-headers gnus-show-all-headers))))
3532 (gnus-configure-windows 'article))
3533 (when (or (numberp article)
3535 (gnus-article-prepare-display)
3537 (goto-char (point-min))
3538 (setq gnus-page-broken
3539 (when gnus-break-pages
3540 (gnus-narrow-to-page)
3542 (let ((gnus-article-mime-handle-alist-1
3543 gnus-article-mime-handle-alist))
3544 (gnus-set-mode-line 'article))
3548 (set-window-point (get-buffer-window (current-buffer)) (point))
3549 (gnus-configure-windows 'article)
3553 (defun gnus-article-prepare-display ()
3554 "Make the current buffer look like a nice article."
3555 ;; Hooks for getting information from the article.
3556 ;; This hook must be called before being narrowed.
3557 (let ((gnus-article-buffer (current-buffer))
3559 (unless (eq major-mode 'gnus-article-mode)
3560 (gnus-article-mode))
3561 (setq buffer-read-only nil
3562 gnus-article-wash-types nil
3563 gnus-article-image-alist nil)
3564 (gnus-run-hooks 'gnus-tmp-internal-hook)
3565 (when gnus-display-mime-function
3566 (funcall gnus-display-mime-function))
3567 (gnus-run-hooks 'gnus-article-prepare-hook)))
3570 ;;; Gnus MIME viewing functions
3573 (defvar gnus-mime-button-line-format "%{%([%p. %d%T]%)%}%e\n"
3574 "Format of the MIME buttons.
3576 Valid specifiers include:
3578 %T MIME type, along with additional info
3579 %n The `name' parameter
3580 %d The description, if any
3581 %l The length of the encoded part
3582 %p The part identifier number
3583 %e Dots if the part isn't displayed
3585 General format specifiers can also be used. See
3586 (gnus)Formatting Variables.")
3588 (defvar gnus-mime-button-line-format-alist
3589 '((?t gnus-tmp-type ?s)
3590 (?T gnus-tmp-type-long ?s)
3591 (?n gnus-tmp-name ?s)
3592 (?d gnus-tmp-description ?s)
3594 (?l gnus-tmp-length ?d)
3595 (?e gnus-tmp-dots ?s)))
3597 (defvar gnus-mime-button-commands
3598 '((gnus-article-press-button "\r" "Toggle Display")
3599 (gnus-mime-view-part "v" "View Interactively...")
3600 (gnus-mime-view-part-as-type "t" "View As Type...")
3601 (gnus-mime-view-part-as-charset "C" "View As charset...")
3602 (gnus-mime-save-part "o" "Save...")
3603 (gnus-mime-save-part-and-strip "\C-o" "Save and Strip")
3604 (gnus-mime-copy-part "c" "View As Text, In Other Buffer")
3605 (gnus-mime-inline-part "i" "View As Text, In This Buffer")
3606 (gnus-mime-view-part-internally "E" "View Internally")
3607 (gnus-mime-view-part-externally "e" "View Externally")
3608 (gnus-mime-print-part "p" "Print")
3609 (gnus-mime-pipe-part "|" "Pipe To Command...")
3610 (gnus-mime-action-on-part "." "Take action on the part")))
3612 (defun gnus-article-mime-part-status ()
3613 (if gnus-article-mime-handle-alist-1
3614 (if (eq 1 (length gnus-article-mime-handle-alist-1))
3616 (format " (%d parts)" (length gnus-article-mime-handle-alist-1)))
3619 (defvar gnus-mime-button-map
3620 (let ((map (make-sparse-keymap)))
3621 (unless (>= (string-to-number emacs-version) 21)
3622 ;; XEmacs doesn't care.
3623 (set-keymap-parent map gnus-article-mode-map))
3624 (define-key map gnus-mouse-2 'gnus-article-push-button)
3625 (define-key map gnus-down-mouse-3 'gnus-mime-button-menu)
3626 (dolist (c gnus-mime-button-commands)
3627 (define-key map (cadr c) (car c)))
3630 (defun gnus-mime-button-menu (event)
3631 "Construct a context-sensitive menu of MIME commands."
3633 (save-window-excursion
3634 (let ((pos (event-start event)))
3635 (select-window (posn-window pos))
3636 (goto-char (posn-point pos))
3637 (gnus-article-check-buffer)
3638 (let ((response (x-popup-menu
3640 ("" ,@(mapcar (lambda (c)
3641 (cons (caddr c) (car c)))
3642 gnus-mime-button-commands))))))
3644 (call-interactively response))))))
3646 (defun gnus-mime-view-all-parts (&optional handles)
3647 "View all the MIME parts."
3649 (save-current-buffer
3650 (set-buffer gnus-article-buffer)
3651 (let ((handles (or handles gnus-article-mime-handles))
3652 (mail-parse-charset gnus-newsgroup-charset)
3653 (mail-parse-ignored-charsets
3654 (with-current-buffer gnus-summary-buffer
3655 gnus-newsgroup-ignored-charsets)))
3657 (mm-remove-parts handles)
3658 (goto-char (point-min))
3659 (or (search-forward "\n\n") (goto-char (point-max)))
3660 (let (buffer-read-only)
3661 (delete-region (point) (point-max))
3662 (mm-display-parts handles))))))
3664 (defun gnus-mime-save-part-and-strip ()
3665 "Save the MIME part under point then replace it with an external body."
3667 (gnus-article-check-buffer)
3668 (let* ((data (get-text-property (point) 'gnus-data))
3670 (handles gnus-article-mime-handles))
3671 (if (mm-multiple-handles gnus-article-mime-handles)
3672 (error "This function is not implemented"))
3673 (setq file (and data (mm-save-part data)))
3675 (with-current-buffer (mm-handle-buffer data)
3677 (insert "Content-Type: " (mm-handle-media-type data))
3678 (mml-insert-parameter-string (cdr (mm-handle-type data))
3681 (insert "Content-ID: " (message-make-message-id) "\n")
3682 (insert "Content-Transfer-Encoding: binary\n")
3685 (cdr (mm-make-handle nil
3686 `("message/external-body"
3687 (access-type . "LOCAL-FILE")
3689 (set-buffer gnus-summary-buffer)
3690 (gnus-article-edit-article
3693 (let ((mail-parse-charset (or gnus-article-charset
3694 ',gnus-newsgroup-charset))
3695 (mail-parse-ignored-charsets
3696 (or gnus-article-ignored-charsets
3697 ',gnus-newsgroup-ignored-charsets))
3698 (mbl mml-buffer-list))
3699 (setq mml-buffer-list nil)
3700 (insert-buffer gnus-original-article-buffer)
3701 (mime-to-mml ',handles)
3702 (setq gnus-article-mime-handles nil)
3703 (let ((mbl1 mml-buffer-list))
3704 (setq mml-buffer-list mbl)
3705 (set (make-local-variable 'mml-buffer-list) mbl1))
3706 ;; LOCAL argument of add-hook differs between GNU Emacs
3707 ;; and XEmacs. make-local-hook makes sure they are local.
3708 (make-local-hook 'kill-buffer-hook)
3709 (add-hook 'kill-buffer-hook 'mml-destroy-buffers t t)))
3710 `(lambda (no-highlight)
3711 (let ((mail-parse-charset (or gnus-article-charset
3712 ',gnus-newsgroup-charset))
3713 (message-options message-options)
3714 (message-options-set-recipient)
3715 (mail-parse-ignored-charsets
3716 (or gnus-article-ignored-charsets
3717 ',gnus-newsgroup-ignored-charsets)))
3719 (mml-destroy-buffers)
3720 (remove-hook 'kill-buffer-hook
3721 'mml-destroy-buffers t)
3722 (kill-local-variable 'mml-buffer-list))
3723 (gnus-summary-edit-article-done
3724 ,(or (mail-header-references gnus-current-headers) "")
3725 ,(gnus-group-read-only-p)
3726 ,gnus-summary-buffer no-highlight))))))
3728 (defun gnus-mime-save-part ()
3729 "Save the MIME part under point."
3731 (gnus-article-check-buffer)
3732 (let ((data (get-text-property (point) 'gnus-data)))
3734 (mm-save-part data))))
3736 (defun gnus-mime-pipe-part ()
3737 "Pipe the MIME part under point to a process."
3739 (gnus-article-check-buffer)
3740 (let ((data (get-text-property (point) 'gnus-data)))
3742 (mm-pipe-part data))))
3744 (defun gnus-mime-view-part ()
3745 "Interactively choose a viewing method for the MIME part under point."
3747 (gnus-article-check-buffer)
3748 (let ((data (get-text-property (point) 'gnus-data)))
3750 (setq gnus-article-mime-handles
3752 gnus-article-mime-handles (setq data (copy-sequence data))))
3753 (mm-interactively-view-part data))))
3755 (defun gnus-mime-view-part-as-type-internal ()
3756 (gnus-article-check-buffer)
3757 (let* ((name (mail-content-type-get
3758 (mm-handle-type (get-text-property (point) 'gnus-data))
3760 (def-type (and name (mm-default-file-encoding name))))
3761 (and def-type (cons def-type 0))))
3763 (defun gnus-mime-view-part-as-type (&optional mime-type)
3764 "Choose a MIME media type, and view the part as such."
3767 (setq mime-type (completing-read
3768 "View as MIME type: "
3769 (mapcar #'list (mailcap-mime-types))
3771 (gnus-mime-view-part-as-type-internal))))
3772 (gnus-article-check-buffer)
3773 (let ((handle (get-text-property (point) 'gnus-data)))
3776 (mm-make-handle (mm-handle-buffer handle)
3777 (cons mime-type (cdr (mm-handle-type handle)))
3778 (mm-handle-encoding handle)
3779 (mm-handle-undisplayer handle)
3780 (mm-handle-disposition handle)
3781 (mm-handle-description handle)
3783 (mm-handle-id handle)))
3784 (setq gnus-article-mime-handles
3785 (mm-merge-handles gnus-article-mime-handles handle))
3786 (gnus-mm-display-part handle))))
3788 (defun gnus-mime-copy-part (&optional handle)
3789 "Put the MIME part under point into a new buffer."
3791 (gnus-article-check-buffer)
3792 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
3793 (contents (and handle (mm-get-part handle)))
3795 (file-name-nondirectory
3797 (mail-content-type-get (mm-handle-type handle) 'name)
3798 (mail-content-type-get (mm-handle-type handle)
3801 (buffer (and base (generate-new-buffer base))))
3803 (switch-to-buffer buffer)
3805 ;; We do it this way to make `normal-mode' set the appropriate mode.
3808 (setq buffer-file-name (expand-file-name base))
3810 (setq buffer-file-name nil))
3811 (goto-char (point-min)))))
3813 (defun gnus-mime-print-part (&optional handle filename)
3814 "Print the MIME part under point."
3815 (interactive (list nil (ps-print-preprint current-prefix-arg)))
3816 (gnus-article-check-buffer)
3817 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
3818 (contents (and handle (mm-get-part handle)))
3819 (file (mm-make-temp-file (expand-file-name "mm." mm-tmp-directory)))
3820 (printer (mailcap-mime-info (mm-handle-type handle) "print")))
3825 (with-temp-file file
3827 (call-process shell-file-name nil
3828 (generate-new-buffer " *mm*")
3830 shell-command-switch
3832 printer file (mm-handle-type handle))))
3836 (gnus-print-buffer))
3837 (ps-despool filename)))))
3839 (defun gnus-mime-inline-part (&optional handle arg)
3840 "Insert the MIME part under point into the current buffer."
3841 (interactive (list nil current-prefix-arg))
3842 (gnus-article-check-buffer)
3843 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
3848 (if (and (not arg) (mm-handle-undisplayer handle))
3849 (mm-remove-part handle)
3850 (setq contents (mm-get-part handle))
3853 (setq charset (or (mail-content-type-get
3854 (mm-handle-type handle) 'charset)
3855 gnus-newsgroup-charset)))
3857 (if (mm-handle-undisplayer handle)
3858 (mm-remove-part handle))
3861 gnus-summary-show-article-charset-alist))
3862 (mm-read-coding-system "Charset: ")))))
3864 (mm-insert-inline handle
3866 (setq charset (mm-charset-to-coding-system
3868 (not (eq charset 'ascii)))
3869 (mm-decode-coding-string contents charset)
3873 (defun gnus-mime-view-part-as-charset (&optional handle arg)
3874 "Insert the MIME part under point into the current buffer using the
3876 (interactive (list nil current-prefix-arg))
3877 (gnus-article-check-buffer)
3878 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
3883 (if (mm-handle-undisplayer handle)
3884 (mm-remove-part handle))
3885 (let ((gnus-newsgroup-charset
3887 gnus-summary-show-article-charset-alist))
3888 (mm-read-coding-system "Charset: ")))
3889 (gnus-newsgroup-ignored-charsets 'gnus-all))
3890 (gnus-article-press-button)))))
3892 (defun gnus-mime-view-part-externally (&optional handle)
3893 "View the MIME part under point with an external viewer."
3895 (gnus-article-check-buffer)
3896 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
3897 (mm-user-display-methods nil)
3898 (mm-inlined-types nil)
3899 (mail-parse-charset gnus-newsgroup-charset)
3900 (mail-parse-ignored-charsets
3901 (save-excursion (set-buffer gnus-summary-buffer)
3902 gnus-newsgroup-ignored-charsets)))
3904 (if (mm-handle-undisplayer handle)
3905 (mm-remove-part handle)
3906 (mm-display-part handle)))))
3908 (defun gnus-mime-view-part-internally (&optional handle)
3909 "View the MIME part under point with an internal viewer.
3910 If no internal viewer is available, use an external viewer."
3912 (gnus-article-check-buffer)
3913 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
3914 (mm-inlined-types '(".*"))
3915 (mm-inline-large-images t)
3916 (mail-parse-charset gnus-newsgroup-charset)
3917 (mail-parse-ignored-charsets
3918 (save-excursion (set-buffer gnus-summary-buffer)
3919 gnus-newsgroup-ignored-charsets)))
3921 (if (mm-handle-undisplayer handle)
3922 (mm-remove-part handle)
3923 (mm-display-part handle)))))
3925 (defun gnus-mime-action-on-part (&optional action)
3926 "Do something with the MIME attachment at \(point\)."
3928 (list (completing-read "Action: " gnus-mime-action-alist)))
3929 (gnus-article-check-buffer)
3930 (let ((action-pair (assoc action gnus-mime-action-alist)))
3932 (funcall (cdr action-pair)))))
3934 (defun gnus-article-part-wrapper (n function)
3935 (save-current-buffer
3936 (set-buffer gnus-article-buffer)
3937 (when (> n (length gnus-article-mime-handle-alist))
3938 (error "No such part"))
3939 (gnus-article-goto-part n)
3940 (let ((handle (cdr (assq n gnus-article-mime-handle-alist))))
3941 (funcall function handle))))
3943 (defun gnus-article-pipe-part (n)
3944 "Pipe MIME part N, which is the numerical prefix."
3946 (gnus-article-part-wrapper n 'mm-pipe-part))
3948 (defun gnus-article-save-part (n)
3949 "Save MIME part N, which is the numerical prefix."
3951 (gnus-article-part-wrapper n 'mm-save-part))
3953 (defun gnus-article-interactively-view-part (n)
3954 "View MIME part N interactively, which is the numerical prefix."
3956 (gnus-article-part-wrapper n 'mm-interactively-view-part))
3958 (defun gnus-article-copy-part (n)
3959 "Copy MIME part N, which is the numerical prefix."
3961 (gnus-article-part-wrapper n 'gnus-mime-copy-part))
3963 (defun gnus-article-view-part-as-charset (n)
3964 "Copy MIME part N, which is the numerical prefix."
3966 (gnus-article-part-wrapper n 'gnus-mime-view-part-as-charset))
3968 (defun gnus-article-view-part-externally (n)
3969 "View MIME part N externally, which is the numerical prefix."
3971 (gnus-article-part-wrapper n 'gnus-mime-view-part-externally))
3973 (defun gnus-article-inline-part (n)
3974 "Inline MIME part N, which is the numerical prefix."
3976 (gnus-article-part-wrapper n 'gnus-mime-inline-part))
3978 (defun gnus-article-mime-match-handle-first (condition)
3980 (let ((alist gnus-article-mime-handle-alist) ihandle n)
3981 (while (setq ihandle (pop alist))
3983 ((functionp condition)
3984 (funcall condition (cdr ihandle)))
3985 ((eq condition 'undisplayed)
3986 (not (or (mm-handle-undisplayer (cdr ihandle))
3987 (equal (mm-handle-media-type (cdr ihandle))
3988 "multipart/alternative"))))
3989 ((eq condition 'undisplayed-alternative)
3990 (not (mm-handle-undisplayer (cdr ihandle))))
3992 (gnus-article-goto-part (car ihandle))
3993 (or (not n) (< (car ihandle) n)))
3994 (setq n (car ihandle))))
3998 (defun gnus-article-view-part (&optional n)
3999 "View MIME part N, which is the numerical prefix."
4001 (save-current-buffer
4002 (set-buffer gnus-article-buffer)
4003 (or (numberp n) (setq n (gnus-article-mime-match-handle-first
4004 gnus-article-mime-match-handle-function)))
4005 (when (> n (length gnus-article-mime-handle-alist))
4006 (error "No such part"))
4007 (let ((handle (cdr (assq n gnus-article-mime-handle-alist))))
4008 (when (gnus-article-goto-part n)
4009 (if (equal (car handle) "multipart/alternative")
4010 (gnus-article-press-button)
4011 (when (eq (gnus-mm-display-part handle) 'internal)
4012 (gnus-set-window-start)))))))
4014 (defsubst gnus-article-mime-total-parts ()
4015 (if (bufferp (car gnus-article-mime-handles))
4017 (1- (length gnus-article-mime-handles))))
4019 (defun gnus-mm-display-part (handle)
4020 "Display HANDLE and fix MIME button."
4021 (let ((id (get-text-property (point) 'gnus-part))
4026 (let ((window (selected-window))
4027 (mail-parse-charset gnus-newsgroup-charset)
4028 (mail-parse-ignored-charsets
4029 (if (gnus-buffer-live-p gnus-summary-buffer)
4031 (set-buffer gnus-summary-buffer)
4032 gnus-newsgroup-ignored-charsets)
4036 (let ((win (gnus-get-buffer-window (current-buffer) t))
4039 (select-window win))
4042 (if (mm-handle-displayed-p handle)
4043 ;; This will remove the part.
4044 (mm-display-part handle)
4046 (narrow-to-region (point)
4047 (if (eobp) (point) (1+ (point))))
4048 (mm-display-part handle)
4049 ;; We narrow to the part itself and
4050 ;; then call the treatment functions.
4051 (goto-char (point-min))
4053 (narrow-to-region (point) (point-max))
4056 (gnus-article-mime-total-parts)
4057 (mm-handle-media-type handle)))))
4058 (if (window-live-p window)
4059 (select-window window)))))
4061 (delete-region (gnus-point-at-bol) (progn (forward-line 1) (point)))
4062 (gnus-insert-mime-button
4063 handle id (list (mm-handle-displayed-p handle)))
4064 (goto-char point))))
4066 (defun gnus-article-goto-part (n)
4067 "Go to MIME part N."
4068 (let ((point (text-property-any (point-min) (point-max) 'gnus-part n)))
4070 (goto-char point))))
4072 (defun gnus-insert-mime-button (handle gnus-tmp-id &optional displayed)
4073 (let ((gnus-tmp-name
4074 (or (mail-content-type-get (mm-handle-type handle) 'name)
4075 (mail-content-type-get (mm-handle-disposition handle) 'filename)
4076 (mail-content-type-get (mm-handle-type handle) 'url)
4078 (gnus-tmp-type (mm-handle-media-type handle))
4079 (gnus-tmp-description
4080 (mail-decode-encoded-word-string (or (mm-handle-description handle)
4083 (if (if displayed (car displayed)
4084 (mm-handle-displayed-p handle))
4086 (gnus-tmp-length (with-current-buffer (mm-handle-buffer handle)
4088 gnus-tmp-type-long b e)
4089 (when (string-match ".*/" gnus-tmp-name)
4090 (setq gnus-tmp-name (replace-match "" t t gnus-tmp-name)))
4091 (setq gnus-tmp-type-long (concat gnus-tmp-type
4092 (and (not (equal gnus-tmp-name ""))
4093 (concat "; " gnus-tmp-name))))
4094 (unless (equal gnus-tmp-description "")
4095 (setq gnus-tmp-type-long (concat " --- " gnus-tmp-type-long)))
4100 gnus-mime-button-line-format gnus-mime-button-line-format-alist
4101 `(,@(gnus-local-map-property gnus-mime-button-map)
4102 gnus-callback gnus-mm-display-part
4103 gnus-part ,gnus-tmp-id
4104 article-type annotation
4107 (widget-convert-button
4110 :action 'gnus-widget-press-button
4111 :button-keymap gnus-mime-button-map
4113 (lambda (widget/window &optional overlay pos)
4114 ;; Needed to properly clear the message due to a bug in
4115 ;; wid-edit (XEmacs only).
4116 (if (boundp 'help-echo-owns-message)
4117 (setq help-echo-owns-message t))
4119 "%S: %s the MIME part; %S: more options"
4120 (aref gnus-mouse-2 0)
4121 ;; XEmacs will get a single widget arg; Emacs 21 will get
4122 ;; window, overlay, position.
4123 (if (mm-handle-displayed-p
4125 (with-current-buffer (gnus-overlay-buffer overlay)
4126 (widget-get (widget-at (gnus-overlay-start overlay))
4128 (widget-get widget/window :mime-handle)))
4130 (aref gnus-down-mouse-3 0))))))
4132 (defun gnus-widget-press-button (elems el)
4133 (goto-char (widget-get elems :from))
4134 (gnus-article-press-button))
4136 (defvar gnus-displaying-mime nil)
4138 (defun gnus-display-mime (&optional ihandles)
4139 "Display the MIME parts."
4141 (save-selected-window
4142 (let ((window (get-buffer-window gnus-article-buffer))
4145 (select-window window)
4146 ;; We have to do this since selecting the window
4147 ;; may change the point. So we set the window point.
4148 (set-window-point window point)))
4149 (let* ((handles (or ihandles (mm-dissect-buffer
4150 nil gnus-article-loose-mime)
4152 buffer-read-only handle name type b e display)
4153 (when (and (not ihandles)
4154 (not gnus-displaying-mime))
4155 ;; Top-level call; we clean up.
4156 (when gnus-article-mime-handles
4157 (mm-destroy-parts gnus-article-mime-handles)
4158 (setq gnus-article-mime-handle-alist nil));; A trick.
4159 (setq gnus-article-mime-handles handles)
4160 ;; We allow users to glean info from the handles.
4161 (when gnus-article-mime-part-function
4162 (gnus-mime-part-function handles)))
4164 (or (not (stringp (car handles)))
4167 (when (and (not ihandles)
4168 (not gnus-displaying-mime))
4169 ;; Clean up for mime parts.
4171 (delete-region (point) (point-max)))
4172 (let ((gnus-displaying-mime t))
4173 (gnus-mime-display-part handles)))
4176 (narrow-to-region (point) (point-max))
4177 (gnus-treat-article nil 1 1)
4180 ;; Highlight the headers.
4184 (narrow-to-region (point-min) (point))
4185 (gnus-treat-article 'head))))))))
4187 (defvar gnus-mime-display-multipart-as-mixed nil)
4188 (defvar gnus-mime-display-multipart-alternative-as-mixed nil)
4189 (defvar gnus-mime-display-multipart-related-as-mixed nil)
4191 (defun gnus-mime-display-part (handle)
4194 ((not (stringp (car handle)))
4195 (gnus-mime-display-single handle))
4196 ;; User-defined multipart
4197 ((cdr (assoc (car handle) gnus-mime-multipart-functions))
4198 (funcall (cdr (assoc (car handle) gnus-mime-multipart-functions))
4200 ;; multipart/alternative
4201 ((and (equal (car handle) "multipart/alternative")
4202 (not (or gnus-mime-display-multipart-as-mixed
4203 gnus-mime-display-multipart-alternative-as-mixed)))
4204 (let ((id (1+ (length gnus-article-mime-handle-alist))))
4205 (push (cons id handle) gnus-article-mime-handle-alist)
4206 (gnus-mime-display-alternative (cdr handle) nil nil id)))
4207 ;; multipart/related
4208 ((and (equal (car handle) "multipart/related")
4209 (not (or gnus-mime-display-multipart-as-mixed
4210 gnus-mime-display-multipart-related-as-mixed)))
4211 ;;;!!!We should find the start part, but we just default
4212 ;;;!!!to the first part.
4213 ;;(gnus-mime-display-part (cadr handle))
4214 ;;;!!! Most multipart/related is an HTML message plus images.
4215 ;;;!!! Unfortunately we are unable to let W3 display those
4216 ;;;!!! included images, so we just display it as a mixed multipart.
4217 ;;(gnus-mime-display-mixed (cdr handle))
4218 ;;;!!! No, w3 can display everything just fine.
4219 (gnus-mime-display-part (cadr handle)))
4220 ((equal (car handle) "multipart/signed")
4221 (gnus-add-wash-type 'signed)
4222 (gnus-mime-display-security handle))
4223 ((equal (car handle) "multipart/encrypted")
4224 (gnus-add-wash-type 'encrypted)
4225 (gnus-mime-display-security handle))
4226 ;; Other multiparts are handled like multipart/mixed.
4228 (gnus-mime-display-mixed (cdr handle)))))
4230 (defun gnus-mime-part-function (handles)
4231 (if (stringp (car handles))
4232 (mapcar 'gnus-mime-part-function (cdr handles))
4233 (funcall gnus-article-mime-part-function handles)))
4235 (defun gnus-mime-display-mixed (handles)
4236 (mapcar 'gnus-mime-display-part handles))
4238 (defun gnus-mime-display-single (handle)
4239 (let ((type (mm-handle-media-type handle))
4240 (ignored gnus-ignored-mime-types)
4247 (when (string-match (pop ignored) type)
4248 (throw 'ignored nil)))
4249 (if (and (setq not-attachment
4250 (and (not (mm-inline-override-p handle))
4251 (or (not (mm-handle-disposition handle))
4252 (equal (car (mm-handle-disposition handle))
4254 (mm-attachment-override-p handle))))
4255 (mm-automatic-display-p handle)
4257 (mm-inlinable-p handle)
4258 (mm-inlined-p handle))
4259 (mm-automatic-external-display-p type)))
4261 (when (equal (mm-handle-media-supertype handle) "text")
4263 (let ((id (1+ (length gnus-article-mime-handle-alist)))
4265 (push (cons id handle) gnus-article-mime-handle-alist)
4266 (when (or (not display)
4267 (not (gnus-unbuttonized-mime-type-p type)))
4268 ;(gnus-article-insert-newline)
4269 (gnus-insert-mime-button
4270 handle id (list (or display (and not-attachment text))))
4271 (gnus-article-insert-newline)
4272 ;(gnus-article-insert-newline)
4273 ;; Remember modify the number of forward lines.
4281 (let ((mail-parse-charset gnus-newsgroup-charset)
4282 (mail-parse-ignored-charsets
4283 (save-excursion (condition-case ()
4284 (set-buffer gnus-summary-buffer)
4286 gnus-newsgroup-ignored-charsets)))
4287 (mm-display-part handle t))
4288 (goto-char (point-max)))
4289 ((and text not-attachment)
4293 (gnus-article-insert-newline)
4294 (mm-insert-inline handle (mm-get-part handle))
4295 (goto-char (point-max))))
4299 (narrow-to-region beg (point))
4302 (gnus-article-mime-total-parts)
4303 (mm-handle-media-type handle)))))))))
4305 (defun gnus-unbuttonized-mime-type-p (type)
4306 "Say whether TYPE is to be unbuttonized."
4307 (unless gnus-inhibit-mime-unbuttonizing
4309 (let ((types gnus-unbuttonized-mime-types))
4311 (when (string-match (pop types) type)
4312 (throw 'found t)))))
4314 (let ((types gnus-buttonized-mime-types))
4316 (when (string-match (pop types) type)
4317 (throw 'found t)))))))))
4319 (defun gnus-article-insert-newline ()
4320 "Insert a newline, but mark it as undeletable."
4321 (gnus-put-text-property
4322 (point) (progn (insert "\n") (point)) 'gnus-undeletable t))
4324 (defun gnus-mime-display-alternative (handles &optional preferred ibegend id)
4325 (let* ((preferred (or preferred (mm-preferred-alternative handles)))
4328 handle buffer-read-only from props begend not-pref)
4329 (save-window-excursion
4332 (narrow-to-region (car ibegend)
4335 (goto-char (car ibegend))
4338 (delete-region (point-min) (point-max))
4339 (mm-remove-parts handles))
4340 (setq begend (list (point-marker)))
4342 (unless (setq not-pref (cadr (member preferred ihandles)))
4343 (setq not-pref (car ihandles)))
4346 (not (gnus-unbuttonized-mime-type-p
4347 "multipart/alternative")))
4348 (gnus-add-text-properties
4351 (insert (format "%d. " id))
4355 (unless ,(not ibegend)
4356 (setq gnus-article-mime-handle-alist
4357 ',gnus-article-mime-handle-alist))
4358 (gnus-mime-display-alternative
4359 ',ihandles ',not-pref ',begend ,id))
4360 ,@(gnus-local-map-property gnus-mime-button-map)
4361 ,gnus-mouse-face-prop ,gnus-article-mouse-face
4362 face ,gnus-article-button-face
4365 (widget-convert-button 'link from (point)
4366 :action 'gnus-widget-press-button
4367 :button-keymap gnus-widget-button-keymap)
4369 (while (setq handle (pop handles))
4370 (gnus-add-text-properties
4373 (insert (format "(%c) %-18s"
4374 (if (equal handle preferred) ?* ? )
4375 (mm-handle-media-type handle)))
4379 (unless ,(not ibegend)
4380 (setq gnus-article-mime-handle-alist
4381 ',gnus-article-mime-handle-alist))
4382 (gnus-mime-display-alternative
4383 ',ihandles ',handle ',begend ,id))
4384 ,@(gnus-local-map-property gnus-mime-button-map)
4385 ,gnus-mouse-face-prop ,gnus-article-mouse-face
4386 face ,gnus-article-button-face
4389 (widget-convert-button 'link from (point)
4390 :action 'gnus-widget-press-button
4391 :button-keymap gnus-widget-button-keymap)
4395 (if (stringp (car preferred))
4396 (gnus-display-mime preferred)
4397 (let ((mail-parse-charset gnus-newsgroup-charset)
4398 (mail-parse-ignored-charsets
4399 (save-excursion (set-buffer gnus-summary-buffer)
4400 gnus-newsgroup-ignored-charsets)))
4401 (mm-display-part preferred)
4405 (narrow-to-region (car begend) (point-max))
4407 nil (length gnus-article-mime-handle-alist)
4408 (gnus-article-mime-total-parts)
4409 (mm-handle-media-type handle))))))
4410 (goto-char (point-max))
4411 (setcdr begend (point-marker)))))
4413 (goto-char point))))
4415 (defconst gnus-article-wash-status-strings
4416 (let ((alist '((cite "c" "Possible hidden citation text"
4417 " " "All citation text visible")
4418 (headers "h" "Hidden headers"
4419 " " "All headers visible.")
4420 (pgp "p" "Encrypted or signed message status hidden"
4421 " " "No hidden encryption nor digital signature status")
4422 (signature "s" "Signature has been hidden"
4423 " " "Signature is visible")
4424 (overstrike "o" "Overstrike (^H) characters applied"
4425 " " "No overstrike characters applied")
4426 (emphasis "e" "/*_Emphasis_*/ characters applied"
4427 " " "No /*_emphasis_*/ characters applied")))
4429 (dolist (entry alist result)
4430 (let ((key (nth 0 entry))
4431 (on (copy-sequence (nth 1 entry)))
4432 (on-help (nth 2 entry))
4433 (off (copy-sequence (nth 3 entry)))
4434 (off-help (nth 4 entry)))
4435 (put-text-property 0 1 'help-echo on-help on)
4436 (put-text-property 0 1 'help-echo off-help off)
4437 (push (list key on off) result))))
4438 "Alist of strings describing wash status in the mode line.
4439 Each entry has the form (KEY ON OF), where the KEY is a symbol
4440 representing the particular washing function, ON is the string to use
4441 in the article mode line when the washing function is active, and OFF
4442 is the string to use when it is inactive.")
4444 (defun gnus-article-wash-status-entry (key value)
4445 (let ((entry (assoc key gnus-article-wash-status-strings)))
4446 (if value (nth 1 entry) (nth 2 entry))))
4448 (defun gnus-article-wash-status ()
4449 "Return a string which display status of article washing."
4451 (set-buffer gnus-article-buffer)
4452 (let ((cite (memq 'cite gnus-article-wash-types))
4453 (headers (memq 'headers gnus-article-wash-types))
4454 (boring (memq 'boring-headers gnus-article-wash-types))
4455 (pgp (memq 'pgp gnus-article-wash-types))
4456 (pem (memq 'pem gnus-article-wash-types))
4457 (signed (memq 'signed gnus-article-wash-types))
4458 (encrypted (memq 'encrypted gnus-article-wash-types))
4459 (signature (memq 'signature gnus-article-wash-types))
4460 (overstrike (memq 'overstrike gnus-article-wash-types))
4461 (emphasis (memq 'emphasis gnus-article-wash-types)))
4463 (gnus-article-wash-status-entry 'cite cite)
4464 (gnus-article-wash-status-entry 'headers (or headers boring))
4465 (gnus-article-wash-status-entry 'pgp (or pgp pem signed encrypted))
4466 (gnus-article-wash-status-entry 'signature signature)
4467 (gnus-article-wash-status-entry 'overstrike overstrike)
4468 (gnus-article-wash-status-entry 'emphasis emphasis)))))
4470 (defun gnus-add-wash-type (type)
4471 "Add a washing of TYPE to the current status."
4472 (add-to-list 'gnus-article-wash-types type))
4474 (defun gnus-delete-wash-type (type)
4475 "Add a washing of TYPE to the current status."
4476 (setq gnus-article-wash-types (delq type gnus-article-wash-types)))
4478 (defun gnus-add-image (category image)
4479 "Add IMAGE of CATEGORY to the list of displayed images."
4480 (let ((entry (assq category gnus-article-image-alist)))
4482 (setq entry (list category))
4483 (push entry gnus-article-image-alist))
4484 (nconc entry (list image))))
4486 (defun gnus-delete-images (category)
4487 "Delete all images in CATEGORY."
4488 (let ((entry (assq category gnus-article-image-alist)))
4489 (dolist (image (cdr entry))
4490 (gnus-remove-image image))
4491 (setq gnus-article-image-alist (delq entry gnus-article-image-alist))
4492 (gnus-delete-wash-type category)))
4494 (defalias 'gnus-article-hide-headers-if-wanted 'gnus-article-maybe-hide-headers)
4496 (defun gnus-article-maybe-hide-headers ()
4497 "Hide unwanted headers if `gnus-have-all-headers' is nil.
4498 Provided for backwards compatibility."
4499 (when (and (or (not (gnus-buffer-live-p gnus-summary-buffer))
4500 (not (save-excursion (set-buffer gnus-summary-buffer)
4501 gnus-have-all-headers)))
4502 (not gnus-inhibit-hiding))
4503 (gnus-article-hide-headers)))
4507 (defun gnus-output-to-file (file-name)
4508 "Append the current article to a file named FILE-NAME."
4509 (let ((artbuf (current-buffer)))
4511 (insert-buffer-substring artbuf)
4512 ;; Append newline at end of the buffer as separator, and then
4514 (goto-char (point-max))
4516 (let ((file-name-coding-system nnmail-pathname-coding-system))
4517 (mm-append-to-file (point-min) (point-max) file-name))
4520 (defun gnus-narrow-to-page (&optional arg)
4521 "Narrow the article buffer to a page.
4522 If given a numerical ARG, move forward ARG pages."
4524 (setq arg (if arg (prefix-numeric-value arg) 0))
4526 (set-buffer gnus-article-buffer)
4527 (goto-char (point-min))
4529 ;; Remove any old next/prev buttons.
4530 (when (gnus-visual-p 'page-marker)
4531 (let ((buffer-read-only nil))
4532 (gnus-remove-text-with-property 'gnus-prev)
4533 (gnus-remove-text-with-property 'gnus-next)))
4536 (re-search-backward page-delimiter nil 'move (1+ (abs arg))))
4538 (re-search-forward page-delimiter nil 'move arg)))
4539 (goto-char (match-end 0)))
4542 (if (re-search-forward page-delimiter nil 'move)
4545 (when (and (gnus-visual-p 'page-marker)
4546 (not (= (point-min) 1)))
4548 (goto-char (point-min))
4549 (gnus-insert-prev-page-button)))
4550 (when (and (gnus-visual-p 'page-marker)
4551 (< (+ (point-max) 2) (buffer-size)))
4553 (goto-char (point-max))
4554 (gnus-insert-next-page-button)))))
4556 ;; Article mode commands
4558 (defun gnus-article-goto-next-page ()
4559 "Show the next page of the article."
4561 (when (gnus-article-next-page)
4562 (goto-char (point-min))
4563 (gnus-article-read-summary-keys nil (gnus-character-to-event ?n))))
4565 (defun gnus-article-goto-prev-page ()
4566 "Show the next page of the article."
4568 (if (bobp) (gnus-article-read-summary-keys nil (gnus-character-to-event ?p))
4569 (gnus-article-prev-page nil)))
4571 (defun gnus-article-next-page (&optional lines)
4572 "Show the next page of the current article.
4573 If end of article, return non-nil. Otherwise return nil.
4574 Argument LINES specifies lines to be scrolled up."
4576 (move-to-window-line -1)
4579 (and (pos-visible-in-window-p) ;Not continuation line.
4581 ;; Nothing in this page.
4582 (if (or (not gnus-page-broken)
4585 (widen) (forward-line 1) (eobp)))) ;Real end-of-buffer?
4587 (gnus-narrow-to-page 1) ;Go to next page.
4589 ;; More in this page.
4590 (let ((scroll-in-place nil))
4594 ;; Long lines may cause an end-of-buffer error.
4595 (goto-char (point-max)))))
4596 (move-to-window-line 0)
4599 (defun gnus-article-prev-page (&optional lines)
4600 "Show previous page of current article.
4601 Argument LINES specifies lines to be scrolled down."
4603 (move-to-window-line 0)
4604 (if (and gnus-page-broken
4606 (not (save-restriction (widen) (bobp)))) ;Real beginning-of-buffer?
4608 (gnus-narrow-to-page -1) ;Go to previous page.
4609 (goto-char (point-max))
4611 (let ((scroll-in-place nil))
4615 (beginning-of-buffer
4616 (goto-char (point-min))))
4617 (move-to-window-line 0)))))
4619 (defun gnus-article-refer-article ()
4620 "Read article specified by message-id around point."
4622 (let ((point (point)))
4623 (search-forward ">" nil t) ;Move point to end of "<....>".
4624 (if (re-search-backward "\\(<[^<> \t\n]+>\\)" nil t)
4625 (let ((message-id (match-string 1)))
4627 (set-buffer gnus-summary-buffer)
4628 (gnus-summary-refer-article message-id))
4630 (error "No references around point"))))
4632 (defun gnus-article-show-summary ()
4633 "Reconfigure windows to show summary buffer."
4635 (if (not (gnus-buffer-live-p gnus-summary-buffer))
4636 (error "There is no summary buffer for this article buffer")
4637 (gnus-article-set-globals)
4638 (gnus-configure-windows 'article)
4639 (gnus-summary-goto-subject gnus-current-article)
4640 (gnus-summary-position-point)))
4642 (defun gnus-article-describe-briefly ()
4643 "Describe article mode commands briefly."
4645 (gnus-message 6 (substitute-command-keys "\\<gnus-article-mode-map>\\[gnus-article-goto-next-page]:Next page \\[gnus-article-goto-prev-page]:Prev page \\[gnus-article-show-summary]:Show summary \\[gnus-info-find-node]:Run Info \\[gnus-article-describe-briefly]:This help")))
4647 (defun gnus-article-summary-command ()
4648 "Execute the last keystroke in the summary buffer."
4650 (let ((obuf (current-buffer))
4651 (owin (current-window-configuration))
4653 (switch-to-buffer gnus-article-current-summary 'norecord)
4654 (setq func (lookup-key (current-local-map) (this-command-keys)))
4655 (call-interactively func)
4657 (set-window-configuration owin)
4658 (set-window-point (get-buffer-window (current-buffer)) (point))))
4660 (defun gnus-article-summary-command-nosave ()
4661 "Execute the last keystroke in the summary buffer."
4664 (pop-to-buffer gnus-article-current-summary 'norecord)
4665 (setq func (lookup-key (current-local-map) (this-command-keys)))
4666 (call-interactively func)))
4668 (defun gnus-article-check-buffer ()
4669 "Beep if not in an article buffer."
4670 (unless (equal major-mode 'gnus-article-mode)
4671 (error "Command invoked outside of a Gnus article buffer")))
4673 (defun gnus-article-read-summary-keys (&optional arg key not-restore-window)
4674 "Read a summary buffer key sequence and execute it from the article buffer."
4676 (gnus-article-check-buffer)
4678 '("q" "Q" "c" "r" "\C-c\C-f" "m" "a" "f"
4679 "Zc" "ZC" "ZE" "ZQ" "ZZ" "Zn" "ZR" "ZG" "ZN" "ZP"
4680 "=" "^" "\M-^" "|"))
4686 '("n" "Gn" "p" "Gp"))
4689 (set-buffer gnus-article-current-summary)
4690 (let (gnus-pick-mode)
4691 (push (or key last-command-event) unread-command-events)
4692 (setq keys (if (featurep 'xemacs)
4693 (events-to-keys (read-key-sequence nil))
4694 (read-key-sequence nil)))))
4698 (if (or (member keys nosaves)
4699 (member keys nosave-but-article)
4700 (member keys nosave-in-article))
4702 (save-window-excursion
4703 (pop-to-buffer gnus-article-current-summary 'norecord)
4704 ;; We disable the pick minor mode commands.
4705 (let (gnus-pick-mode)
4706 (setq func (lookup-key (current-local-map) keys))))
4710 (unless (member keys nosave-in-article)
4711 (set-buffer gnus-article-current-summary))
4712 (call-interactively func)
4713 (setq new-sum-point (point)))
4714 (when (member keys nosave-but-article)
4715 (pop-to-buffer gnus-article-buffer 'norecord)))
4716 ;; These commands should restore window configuration.
4717 (let ((obuf (current-buffer))
4718 (owin (current-window-configuration))
4720 (summary gnus-article-current-summary)
4721 func in-buffer selected)
4722 (if not-restore-window
4723 (pop-to-buffer summary 'norecord)
4724 (switch-to-buffer summary 'norecord))
4725 (setq in-buffer (current-buffer))
4726 ;; We disable the pick minor mode commands.
4727 (if (and (setq func (let (gnus-pick-mode)
4728 (lookup-key (current-local-map) keys)))
4731 (call-interactively func)
4732 (setq new-sum-point (point))
4733 (when (eq in-buffer (current-buffer))
4734 (setq selected (gnus-summary-select-article))
4736 (unless not-restore-window
4737 (set-window-configuration owin))
4738 (when (eq selected 'old)
4740 (set-window-start (get-buffer-window (current-buffer))
4742 (set-window-point (get-buffer-window (current-buffer))
4744 (let ((win (get-buffer-window gnus-article-current-summary)))
4746 (set-window-point win new-sum-point)))) )
4747 (switch-to-buffer gnus-article-buffer)
4750 (defun gnus-article-describe-key (key)
4751 "Display documentation of the function invoked by KEY. KEY is a string."
4752 (interactive "kDescribe key: ")
4753 (gnus-article-check-buffer)
4754 (if (eq (key-binding key) 'gnus-article-read-summary-keys)
4756 (set-buffer gnus-article-current-summary)
4757 (let (gnus-pick-mode)
4758 (if (featurep 'xemacs)
4760 (push (elt key 0) unread-command-events)
4761 (setq key (events-to-keys
4762 (read-key-sequence "Describe key: "))))
4763 (setq unread-command-events
4765 (lambda (x) (if (>= x 128) (list 'meta (- x 128)) x))
4766 (string-to-list key)))
4767 (setq key (read-key-sequence "Describe key: "))))
4769 (describe-key key)))
4771 (defun gnus-article-describe-key-briefly (key &optional insert)
4772 "Display documentation of the function invoked by KEY. KEY is a string."
4773 (interactive "kDescribe key: \nP")
4774 (gnus-article-check-buffer)
4775 (if (eq (key-binding key) 'gnus-article-read-summary-keys)
4777 (set-buffer gnus-article-current-summary)
4778 (let (gnus-pick-mode)
4779 (if (featurep 'xemacs)
4781 (push (elt key 0) unread-command-events)
4782 (setq key (events-to-keys
4783 (read-key-sequence "Describe key: "))))
4784 (setq unread-command-events
4786 (lambda (x) (if (>= x 128) (list 'meta (- x 128)) x))
4787 (string-to-list key)))
4788 (setq key (read-key-sequence "Describe key: "))))
4789 (describe-key-briefly key insert))
4790 (describe-key-briefly key insert)))
4792 (defun gnus-article-reply-with-original (&optional wide)
4793 "Start composing a reply mail to the current message.
4794 The text in the region will be yanked. If the region isn't active,
4795 the entire article will be yanked."
4797 (let ((article (cdr gnus-article-current)) cont)
4799 (gnus-summary-reply (list (list article)) wide)
4800 (setq cont (buffer-substring (point) (mark t)))
4801 ;; Deactivate active regions.
4802 (when (and (boundp 'transient-mark-mode)
4803 transient-mark-mode)
4804 (setq mark-active nil))
4806 (list (list article cont)) wide))))
4808 (defun gnus-article-followup-with-original ()
4809 "Compose a followup to the current article.
4810 The text in the region will be yanked. If the region isn't active,
4811 the entire article will be yanked."
4813 (let ((article (cdr gnus-article-current))
4816 (gnus-summary-followup (list (list article)))
4817 (setq cont (buffer-substring (point) (mark t)))
4818 ;; Deactivate active regions.
4819 (when (and (boundp 'transient-mark-mode)
4820 transient-mark-mode)
4821 (setq mark-active nil))
4822 (gnus-summary-followup
4823 (list (list article cont))))))
4825 (defun gnus-article-hide (&optional arg force)
4826 "Hide all the gruft in the current article.
4827 This means that PGP stuff, signatures, cited text and (some)
4828 headers will be hidden.
4829 If given a prefix, show the hidden text instead."
4830 (interactive (append (gnus-article-hidden-arg) (list 'force)))
4831 (gnus-article-hide-headers arg)
4832 (gnus-article-hide-list-identifiers arg)
4833 (gnus-article-hide-pgp arg)
4834 (gnus-article-hide-citation-maybe arg force)
4835 (gnus-article-hide-signature arg))
4837 (defun gnus-article-maybe-highlight ()
4838 "Do some article highlighting if article highlighting is requested."
4839 (when (gnus-visual-p 'article-highlight 'highlight)
4840 (gnus-article-highlight-some)))
4842 (defun gnus-check-group-server ()
4843 ;; Make sure the connection to the server is alive.
4844 (unless (gnus-server-opened
4845 (gnus-find-method-for-group gnus-newsgroup-name))
4846 (gnus-check-server (gnus-find-method-for-group gnus-newsgroup-name))
4847 (gnus-request-group gnus-newsgroup-name t)))
4850 (autoload 'nneething-get-file-name "nneething"))
4852 (defun gnus-request-article-this-buffer (article group)
4853 "Get an article and insert it into this buffer."
4854 (let (do-update-line sparse-header)
4858 (gnus-kill-all-overlays)
4859 (setq group (or group gnus-newsgroup-name))
4861 ;; Using `gnus-request-article' directly will insert the article into
4862 ;; `nntp-server-buffer' - so we'll save some time by not having to
4863 ;; copy it from the server buffer into the article buffer.
4865 ;; We only request an article by message-id when we do not have the
4866 ;; headers for it, so we'll have to get those.
4867 (when (stringp article)
4868 (gnus-read-header article))
4870 ;; If the article number is negative, that means that this article
4871 ;; doesn't belong in this newsgroup (possibly), so we find its
4872 ;; message-id and request it by id instead of number.
4873 (when (and (numberp article)
4875 (get-buffer gnus-summary-buffer)
4876 (gnus-buffer-exists-p gnus-summary-buffer))
4878 (set-buffer gnus-summary-buffer)
4879 (let ((header (gnus-summary-article-header article)))
4882 ((memq article gnus-newsgroup-sparse)
4883 ;; This is a sparse gap article.
4884 (setq do-update-line article)
4885 (setq article (mail-header-id header))
4886 (setq sparse-header (gnus-read-header article))
4887 (setq gnus-newsgroup-sparse
4888 (delq article gnus-newsgroup-sparse)))
4890 ;; It's a real article.
4891 (setq article (mail-header-id header)))
4893 ;; It is an extracted pseudo-article.
4894 (setq article 'pseudo)
4895 (gnus-request-pseudo-article header))))
4897 (let ((method (gnus-find-method-for-group
4898 gnus-newsgroup-name)))
4899 (when (and (eq (car method) 'nneething)
4901 (let ((dir (nneething-get-file-name
4902 (mail-header-id header))))
4903 (when (and (stringp dir)
4904 (file-directory-p dir))
4905 (setq article 'nneething)
4906 (gnus-group-enter-directory dir))))))))
4909 ;; Refuse to select canceled articles.
4910 ((and (numberp article)
4912 (get-buffer gnus-summary-buffer)
4913 (gnus-buffer-exists-p gnus-summary-buffer)
4914 (eq (cdr (save-excursion
4915 (set-buffer gnus-summary-buffer)
4916 (assq article gnus-newsgroup-reads)))
4917 gnus-canceled-mark))
4919 ;; We first check `gnus-original-article-buffer'.
4920 ((and (get-buffer gnus-original-article-buffer)
4923 (set-buffer gnus-original-article-buffer)
4924 (and (equal (car gnus-original-article) group)
4925 (eq (cdr gnus-original-article) article))))
4926 (insert-buffer-substring gnus-original-article-buffer)
4928 ;; Check the backlog.
4929 ((and gnus-keep-backlog
4930 (gnus-backlog-request-article group article (current-buffer)))
4932 ;; Check asynchronous pre-fetch.
4933 ((gnus-async-request-fetched-article group article (current-buffer))
4934 (gnus-async-prefetch-next group article gnus-summary-buffer)
4935 (when (and (numberp article) gnus-keep-backlog)
4936 (gnus-backlog-enter-article group article (current-buffer)))
4939 ((and gnus-use-cache
4941 (gnus-cache-request-article article group))
4943 ;; Check the agent cache.
4944 ((and gnus-agent gnus-agent-cache gnus-plugged
4946 (gnus-agent-request-article article group))
4948 ;; Get the article and put into the article buffer.
4949 ((or (stringp article)
4951 (let ((gnus-override-method gnus-override-method)
4952 (methods (and (stringp article)
4953 gnus-refer-article-method))
4954 (backend (car (gnus-find-method-for-group
4955 gnus-newsgroup-name)))
4957 (buffer-read-only nil))
4958 (if (or (not (listp methods))
4959 (and (symbolp (car methods))
4960 (assq (car methods) nnoo-definition-alist)))
4961 (setq methods (list methods)))
4962 (when (and (null gnus-override-method)
4964 (setq gnus-override-method (pop methods)))
4966 (when (eq gnus-override-method 'current)
4967 (setq gnus-override-method
4968 (with-current-buffer gnus-summary-buffer
4969 gnus-current-select-method)))
4971 (gnus-kill-all-overlays)
4972 (let ((gnus-newsgroup-name group))
4973 (gnus-check-group-server))
4975 ((gnus-request-article article group (current-buffer))
4976 (when (numberp article)
4977 (gnus-async-prefetch-next group article
4978 gnus-summary-buffer)
4979 (when gnus-keep-backlog
4980 (gnus-backlog-enter-article
4981 group article (current-buffer))))
4982 (setq result 'article))
4984 (setq gnus-override-method (pop methods)))
4985 ((not (string-match "^400 "
4986 (nnheader-get-report backend)))
4987 ;; If we get 400 server disconnect, reconnect and
4988 ;; retry; otherwise, assume the article has expired.
4989 (setq result 'done))))
4990 (and (eq result 'article) 'article)))
4994 ;; Associate this article with the current summary buffer.
4995 (setq gnus-article-current-summary gnus-summary-buffer)
4997 ;; Take the article from the original article buffer
4998 ;; and place it in the buffer it's supposed to be in.
4999 (when (and (get-buffer gnus-article-buffer)
5000 (equal (buffer-name (current-buffer))
5001 (buffer-name (get-buffer gnus-article-buffer))))
5003 (if (get-buffer gnus-original-article-buffer)
5004 (set-buffer gnus-original-article-buffer)
5005 (set-buffer (gnus-get-buffer-create gnus-original-article-buffer))
5006 (buffer-disable-undo)
5007 (setq major-mode 'gnus-original-article-mode)
5008 (setq buffer-read-only t))
5009 (let (buffer-read-only)
5011 (insert-buffer-substring gnus-article-buffer))
5012 (setq gnus-original-article (cons group article)))
5015 (run-hooks 'gnus-article-decode-hook)
5016 ;; Mark article as decoded or not.
5017 (setq gnus-article-decoded-p gnus-article-decode-hook))
5019 ;; Update sparse articles.
5020 (when (and do-update-line
5021 (or (numberp article)
5023 (let ((buf (current-buffer)))
5024 (set-buffer gnus-summary-buffer)
5025 (gnus-summary-update-article do-update-line sparse-header)
5026 (gnus-summary-goto-subject do-update-line nil t)
5027 (set-window-point (gnus-get-buffer-window (current-buffer) t)
5029 (set-buffer buf))))))
5035 (defcustom gnus-article-edit-mode-hook nil
5036 "Hook run in article edit mode buffers."
5037 :group 'gnus-article-various
5040 (defvar gnus-article-edit-done-function nil)
5042 (defvar gnus-article-edit-mode-map nil)
5044 ;; Should we be using derived.el for this?
5045 (unless gnus-article-edit-mode-map
5046 (setq gnus-article-edit-mode-map (make-keymap))
5047 (set-keymap-parent gnus-article-edit-mode-map text-mode-map)
5050 (gnus-define-keys gnus-article-edit-mode-map
5051 "\C-c?" describe-mode
5052 "\C-c\C-c" gnus-article-edit-done
5053 "\C-c\C-k" gnus-article-edit-exit
5054 "\C-c\C-f\C-t" message-goto-to
5055 "\C-c\C-f\C-o" message-goto-from
5056 "\C-c\C-f\C-b" message-goto-bcc
5057 ;;"\C-c\C-f\C-w" message-goto-fcc
5058 "\C-c\C-f\C-c" message-goto-cc
5059 "\C-c\C-f\C-s" message-goto-subject
5060 "\C-c\C-f\C-r" message-goto-reply-to
5061 "\C-c\C-f\C-n" message-goto-newsgroups
5062 "\C-c\C-f\C-d" message-goto-distribution
5063 "\C-c\C-f\C-f" message-goto-followup-to
5064 "\C-c\C-f\C-m" message-goto-mail-followup-to
5065 "\C-c\C-f\C-k" message-goto-keywords
5066 "\C-c\C-f\C-u" message-goto-summary
5067 "\C-c\C-f\C-i" message-insert-or-toggle-importance
5068 "\C-c\C-f\C-a" message-gen-unsubscribed-mft
5069 "\C-c\C-b" message-goto-body
5070 "\C-c\C-i" message-goto-signature
5072 "\C-c\C-t" message-insert-to
5073 "\C-c\C-n" message-insert-newsgroups
5074 "\C-c\C-o" message-sort-headers
5075 "\C-c\C-e" message-elide-region
5076 "\C-c\C-v" message-delete-not-region
5077 "\C-c\C-z" message-kill-to-signature
5078 "\M-\r" message-newline-and-reformat
5079 "\C-c\C-a" mml-attach-file
5080 "\C-a" message-beginning-of-line
5082 "\M-;" comment-region)
5084 (gnus-define-keys (gnus-article-edit-wash-map
5085 "\C-c\C-w" gnus-article-edit-mode-map)
5086 "f" gnus-article-edit-full-stops))
5089 gnus-article-edit-mode-field-menu gnus-article-edit-mode-map ""
5091 ["Fetch To" message-insert-to t]
5092 ["Fetch Newsgroups" message-insert-newsgroups t]
5094 ["To" message-goto-to t]
5095 ["From" message-goto-from t]
5096 ["Subject" message-goto-subject t]
5097 ["Cc" message-goto-cc t]
5098 ["Reply-To" message-goto-reply-to t]
5099 ["Summary" message-goto-summary t]
5100 ["Keywords" message-goto-keywords t]
5101 ["Newsgroups" message-goto-newsgroups t]
5102 ["Followup-To" message-goto-followup-to t]
5103 ["Mail-Followup-To" message-goto-mail-followup-to t]
5104 ["Distribution" message-goto-distribution t]
5105 ["Body" message-goto-body t]
5106 ["Signature" message-goto-signature t]))
5108 (define-derived-mode gnus-article-edit-mode text-mode "Article Edit"
5109 "Major mode for editing articles.
5110 This is an extended text-mode.
5112 \\{gnus-article-edit-mode-map}"
5113 (make-local-variable 'gnus-article-edit-done-function)
5114 (make-local-variable 'gnus-prev-winconf)
5115 (set (make-local-variable 'font-lock-defaults)
5116 '(message-font-lock-keywords t))
5117 (set (make-local-variable 'mail-header-separator) "")
5118 (easy-menu-add message-mode-field-menu message-mode-map)
5120 (setq buffer-read-only nil)
5121 (buffer-enable-undo)
5124 (defun gnus-article-edit (&optional force)
5125 "Edit the current article.
5126 This will have permanent effect only in mail groups.
5127 If FORCE is non-nil, allow editing of articles even in read-only
5130 (when (and (not force)
5131 (gnus-group-read-only-p))
5132 (error "The current newsgroup does not support article editing"))
5133 (gnus-article-date-original)
5134 (gnus-article-edit-article
5136 `(lambda (no-highlight)
5138 (gnus-summary-edit-article-done
5139 ,(or (mail-header-references gnus-current-headers) "")
5140 ,(gnus-group-read-only-p) ,gnus-summary-buffer no-highlight))))
5142 (defun gnus-article-edit-article (start-func exit-func)
5143 "Start editing the contents of the current article buffer."
5144 (let ((winconf (current-window-configuration)))
5145 (set-buffer gnus-article-buffer)
5146 (gnus-article-edit-mode)
5147 (funcall start-func)
5148 (set-buffer-modified-p nil)
5149 (gnus-configure-windows 'edit-article)
5150 (setq gnus-article-edit-done-function exit-func)
5151 (setq gnus-prev-winconf winconf)
5152 (gnus-message 6 "C-c C-c to end edits")))
5154 (defun gnus-article-edit-done (&optional arg)
5155 "Update the article edits and exit."
5157 (let ((func gnus-article-edit-done-function)
5158 (buf (current-buffer))
5159 (start (window-start))
5161 (winconf gnus-prev-winconf))
5162 (widen) ;; Widen it in case that users narrowed the buffer.
5165 ;; The cache and backlog have to be flushed somewhat.
5166 (when gnus-keep-backlog
5167 (gnus-backlog-remove-article
5168 (car gnus-article-current) (cdr gnus-article-current)))
5169 ;; Flush original article as well.
5171 (when (get-buffer gnus-original-article-buffer)
5172 (set-buffer gnus-original-article-buffer)
5173 (setq gnus-original-article nil)))
5174 (when gnus-use-cache
5175 (gnus-cache-update-article
5176 (car gnus-article-current) (cdr gnus-article-current)))
5177 ;; We remove all text props from the article buffer.
5178 (kill-all-local-variables)
5179 (gnus-set-text-properties (point-min) (point-max) nil)
5181 (set-window-configuration winconf)
5183 (set-window-start (get-buffer-window buf) start)
5184 (set-window-point (get-buffer-window buf) (point))))
5186 (defun gnus-article-edit-exit ()
5187 "Exit the article editing without updating."
5189 (when (or (not (buffer-modified-p))
5190 (yes-or-no-p "Article modified; kill anyway? "))
5191 (let ((curbuf (current-buffer))
5193 (window-start (window-start)))
5195 (if (gnus-buffer-live-p gnus-original-article-buffer)
5196 (insert-buffer gnus-original-article-buffer))
5197 (let ((winconf gnus-prev-winconf))
5199 (set-window-configuration winconf)
5200 ;; Tippy-toe some to make sure that point remains where it was.
5201 (save-current-buffer
5203 (set-window-start (get-buffer-window (current-buffer)) window-start)
5206 (defun gnus-article-edit-full-stops ()
5207 "Interactively repair spacing at end of sentences."
5210 (goto-char (point-min))
5211 (search-forward-regexp "^$" nil t)
5212 (let ((case-fold-search nil))
5213 (query-replace-regexp "\\([.!?][])}]* \\)\\([[({A-Z]\\)" "\\1 \\2"))))
5216 ;;; Article highlights
5219 ;; Written by Per Abrahamsen <abraham@iesd.auc.dk>.
5221 ;;; Internal Variables:
5223 (defcustom gnus-button-url-regexp
5224 (if (string-match "[[:digit:]]" "1") ;; support POSIX?
5225 "\\b\\(\\(www\\.\\|\\(s?https?\\|ftp\\|file\\|gopher\\|news\\|telnet\\|wais\\|mailto\\|info\\):\\)\\(//[-a-zA-Z0-9_.]+:[0-9]*\\)?[-a-zA-Z0-9_=!?#$@~`%&*+|\\/:;.,[:word:]]+[-a-zA-Z0-9_=#$@~`%&*+|\\/[:word:]]\\)"
5226 "\\b\\(\\(www\\.\\|\\(s?https?\\|ftp\\|file\\|gopher\\|news\\|telnet\\|wais\\|mailto\\|info\\):\\)\\(//[-a-zA-Z0-9_.]+:[0-9]*\\)?\\([-a-zA-Z0-9_=!?#$@~`%&*+|\\/:;.,]\\|\\w\\)+\\([-a-zA-Z0-9_=#$@~`%&*+|\\/]\\|\\w\\)\\)")
5227 "Regular expression that matches URLs."
5228 :group 'gnus-article-buttons
5231 (defcustom gnus-button-alist
5232 '(("<\\(url:[>\n\t ]*?\\)?\\(nntp\\|news\\):[>\n\t ]*\\([^>\n\t ]*@[^>\n\t ]*\\)>"
5233 0 t gnus-button-handle-news 3)
5234 ("\\b\\(nntp\\|news\\):\\([^>\n\t ]*@[^>)!;:,\n\t ]*\\)" 0 t
5235 gnus-button-handle-news 2)
5236 ("\\(\\b<\\(url:[>\n\t ]*\\)?news:[>\n\t ]*\\(//\\)?\\([^>\n\t ]*\\)>\\)"
5238 gnus-button-fetch-group 4)
5239 ("\\bnews:\\(//\\)?\\([^'\">\n\t ]+\\)" 0 t gnus-button-fetch-group 2)
5240 ("\\bin\\( +article\\| +message\\)? +\\(<\\([^\n @<>]+@[^\n @<>]+\\)>\\)" 2
5241 t gnus-button-message-id 3)
5242 ("\\(<URL: *\\)mailto: *\\([^> \n\t]+\\)>" 0 t gnus-url-mailto 2)
5243 ("mailto:\\([-a-zA-Z.@_+0-9%=?]+\\)" 0 t gnus-url-mailto 1)
5244 ("\\bmailto:\\([^ \n\t]+\\)" 0 t gnus-url-mailto 1)
5246 ("\\binfo:\\(//\\)?\\([^'\">\n\t ]+\\)" 0 t
5247 gnus-button-handle-info 2)
5248 ;; This is how URLs _should_ be embedded in text...
5249 ("<URL: *\\([^<>]*\\)>" 1 t gnus-button-embedded-url 1)
5251 (gnus-button-url-regexp 0 t browse-url 0))
5252 "*Alist of regexps matching buttons in article bodies.
5254 Each entry has the form (REGEXP BUTTON FORM CALLBACK PAR...), where
5255 REGEXP: is the string matching text around the button (can also be lisp
5256 expression evaluating to a string),
5257 BUTTON: is the number of the regexp grouping actually matching the button,
5258 FORM: is a lisp expression which must eval to true for the button to
5260 CALLBACK: is the function to call when the user push this button, and each
5261 PAR: is a number of a regexp grouping whose text will be passed to CALLBACK.
5263 CALLBACK can also be a variable, in that case the value of that
5264 variable it the real callback function."
5265 :group 'gnus-article-buttons
5266 :type '(repeat (list (choice regexp variable)
5267 (integer :tag "Button")
5269 (function :tag "Callback")
5272 (integer :tag "Regexp group")))))
5274 (defcustom gnus-header-button-alist
5275 '(("^\\(References\\|Message-I[Dd]\\):" "<[^<>]+>"
5276 0 t gnus-button-message-id 0)
5277 ("^\\(From\\|Reply-To\\):" ": *\\(.+\\)$" 1 t gnus-button-reply 1)
5278 ("^\\(Cc\\|To\\):" "[^ \t\n<>,()\"]+@[^ \t\n<>,()\"]+"
5279 0 t gnus-button-mailto 0)
5280 ("^X-[Uu][Rr][Ll]:" gnus-button-url-regexp 0 t browse-url 0)
5281 ("^Subject:" gnus-button-url-regexp 0 t browse-url 0)
5282 ("^[^:]+:" gnus-button-url-regexp 0 t browse-url 0)
5283 ("^[^:]+:" "\\bmailto:\\([-a-zA-Z.@_+0-9%=?]+\\)" 0 t gnus-url-mailto 1)
5284 ("^[^:]+:" "\\(<\\(url: \\)?news:\\([^>\n ]*\\)>\\)" 1 t
5285 gnus-button-message-id 3))
5286 "*Alist of headers and regexps to match buttons in article heads.
5288 This alist is very similar to `gnus-button-alist', except that each
5289 alist has an additional HEADER element first in each entry:
5291 \(HEADER REGEXP BUTTON FORM CALLBACK PAR)
5293 HEADER is a regexp to match a header. For a fuller explanation, see
5294 `gnus-button-alist'."
5295 :group 'gnus-article-buttons
5296 :group 'gnus-article-headers
5297 :type '(repeat (list (regexp :tag "Header")
5299 (integer :tag "Button")
5301 (function :tag "Callback")
5304 (integer :tag "Regexp group")))))
5306 (defvar gnus-button-regexp nil)
5307 (defvar gnus-button-marker-list nil)
5308 ;; Regexp matching any of the regexps from `gnus-button-alist'.
5310 (defvar gnus-button-last nil)
5311 ;; The value of `gnus-button-alist' when `gnus-button-regexp' was build.
5315 (defun gnus-article-push-button (event)
5316 "Check text under the mouse pointer for a callback function.
5317 If the text under the mouse pointer has a `gnus-callback' property,
5318 call it with the value of the `gnus-data' text property."
5320 (set-buffer (window-buffer (posn-window (event-start event))))
5321 (let* ((pos (posn-point (event-start event)))
5322 (data (get-text-property pos 'gnus-data))
5323 (fun (get-text-property pos 'gnus-callback)))
5326 (funcall fun data))))
5328 (defun gnus-article-press-button ()
5329 "Check text at point for a callback function.
5330 If the text at point has a `gnus-callback' property,
5331 call it with the value of the `gnus-data' text property."
5333 (let* ((data (get-text-property (point) 'gnus-data))
5334 (fun (get-text-property (point) 'gnus-callback)))
5336 (funcall fun data))))
5338 (defun gnus-article-highlight (&optional force)
5339 "Highlight current article.
5340 This function calls `gnus-article-highlight-headers',
5341 `gnus-article-highlight-citation',
5342 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
5343 do the highlighting. See the documentation for those functions."
5344 (interactive (list 'force))
5345 (gnus-article-highlight-headers)
5346 (gnus-article-highlight-citation force)
5347 (gnus-article-highlight-signature)
5348 (gnus-article-add-buttons force)
5349 (gnus-article-add-buttons-to-head))
5351 (defun gnus-article-highlight-some (&optional force)
5352 "Highlight current article.
5353 This function calls `gnus-article-highlight-headers',
5354 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
5355 do the highlighting. See the documentation for those functions."
5356 (interactive (list 'force))
5357 (gnus-article-highlight-headers)
5358 (gnus-article-highlight-signature)
5359 (gnus-article-add-buttons))
5361 (defun gnus-article-highlight-headers ()
5362 "Highlight article headers as specified by `gnus-header-face-alist'."
5365 (set-buffer gnus-article-buffer)
5367 (let ((alist gnus-header-face-alist)
5368 (buffer-read-only nil)
5369 (case-fold-search t)
5370 (inhibit-point-motion-hooks t)
5371 entry regexp header-face field-face from hpoints fpoints)
5372 (article-narrow-to-head)
5373 (while (setq entry (pop alist))
5374 (goto-char (point-min))
5375 (setq regexp (concat "^\\("
5376 (if (string-equal "" (nth 0 entry))
5380 header-face (nth 1 entry)
5381 field-face (nth 2 entry))
5382 (while (and (re-search-forward regexp nil t)
5386 (unless (search-forward ":" nil t)
5388 (when (and header-face
5389 (not (memq (point) hpoints)))
5390 (push (point) hpoints)
5391 (gnus-put-text-property from (point) 'face header-face))
5392 (when (and field-face
5393 (not (memq (setq from (point)) fpoints)))
5395 (if (re-search-forward "^[^ \t]" nil t)
5397 (goto-char (point-max)))
5398 (gnus-put-text-property from (point) 'face field-face))))))))
5400 (defun gnus-article-highlight-signature ()
5401 "Highlight the signature in an article.
5402 It does this by highlighting everything after
5403 `gnus-signature-separator' using `gnus-signature-face'."
5406 (set-buffer gnus-article-buffer)
5407 (let ((buffer-read-only nil)
5408 (inhibit-point-motion-hooks t))
5410 (when (and gnus-signature-face
5411 (gnus-article-narrow-to-signature))
5412 (gnus-overlay-put (gnus-make-overlay (point-min) (point-max))
5413 'face gnus-signature-face)
5415 (gnus-article-search-signature)
5416 (let ((start (match-beginning 0))
5417 (end (set-marker (make-marker) (1+ (match-end 0)))))
5418 (gnus-article-add-button start (1- end) 'gnus-signature-toggle
5421 (defun gnus-button-in-region-p (b e prop)
5422 "Say whether PROP exists in the region."
5423 (text-property-not-all b e prop nil))
5425 (defun gnus-article-add-buttons (&optional force)
5426 "Find external references in the article and make buttons of them.
5427 \"External references\" are things like Message-IDs and URLs, as
5428 specified by `gnus-button-alist'."
5429 (interactive (list 'force))
5431 (set-buffer gnus-article-buffer)
5432 (let ((buffer-read-only nil)
5433 (inhibit-point-motion-hooks t)
5434 (case-fold-search t)
5435 (alist gnus-button-alist)
5437 ;; Remove all old markers.
5438 (let (marker entry new-list)
5439 (while (setq marker (pop gnus-button-marker-list))
5440 (if (or (< marker (point-min)) (>= marker (point-max)))
5441 (push marker new-list)
5443 (when (setq entry (gnus-button-entry))
5444 (put-text-property (match-beginning (nth 1 entry))
5445 (match-end (nth 1 entry))
5446 'gnus-callback nil))
5447 (set-marker marker nil)))
5448 (setq gnus-button-marker-list new-list))
5449 ;; We skip the headers.
5452 (while (setq entry (pop alist))
5453 (setq regexp (eval (car entry)))
5455 (while (re-search-forward regexp nil t)
5456 (let* ((start (and entry (match-beginning (nth 1 entry))))
5457 (end (and entry (match-end (nth 1 entry))))
5458 (from (match-beginning 0)))
5459 (when (and (or (eq t (nth 2 entry))
5460 (eval (nth 2 entry)))
5461 (not (gnus-button-in-region-p
5462 start end 'gnus-callback)))
5463 ;; That optional form returned non-nil, so we add the
5465 (gnus-article-add-button
5466 start end 'gnus-button-push
5467 (car (push (set-marker (make-marker) from)
5468 gnus-button-marker-list))))))))))
5470 ;; Add buttons to the head of an article.
5471 (defun gnus-article-add-buttons-to-head ()
5472 "Add buttons to the head of the article."
5475 (set-buffer gnus-article-buffer)
5477 (let ((buffer-read-only nil)
5478 (inhibit-point-motion-hooks t)
5479 (case-fold-search t)
5480 (alist gnus-header-button-alist)
5482 (article-narrow-to-head)
5484 ;; Each alist entry.
5485 (setq entry (car alist)
5487 (goto-char (point-min))
5488 (while (re-search-forward (car entry) nil t)
5489 ;; Each header matching the entry.
5490 (setq beg (match-beginning 0))
5491 (setq end (or (and (re-search-forward "^[^ \t]" nil t)
5492 (match-beginning 0))
5495 (while (re-search-forward (eval (nth 1 entry)) end t)
5496 ;; Each match within a header.
5497 (let* ((entry (cdr entry))
5498 (start (match-beginning (nth 1 entry)))
5499 (end (match-end (nth 1 entry)))
5500 (form (nth 2 entry)))
5501 (goto-char (match-end 0))
5503 (gnus-article-add-button
5504 start end (nth 3 entry)
5505 (buffer-substring (match-beginning (nth 4 entry))
5506 (match-end (nth 4 entry)))))))
5507 (goto-char end)))))))
5509 ;;; External functions:
5511 (defun gnus-article-add-button (from to fun &optional data)
5512 "Create a button between FROM and TO with callback FUN and data DATA."
5513 (when gnus-article-button-face
5514 (gnus-overlay-put (gnus-make-overlay from to)
5515 'face gnus-article-button-face))
5516 (gnus-add-text-properties
5518 (nconc (and gnus-article-mouse-face
5519 (list gnus-mouse-face-prop gnus-article-mouse-face))
5520 (list 'gnus-callback fun)
5521 (and data (list 'gnus-data data))))
5522 (widget-convert-button 'link from to :action 'gnus-widget-press-button
5523 :button-keymap gnus-widget-button-keymap))
5525 ;;; Internal functions:
5527 (defun gnus-article-set-globals ()
5529 (set-buffer gnus-summary-buffer)
5530 (gnus-set-global-variables)))
5532 (defun gnus-signature-toggle (end)
5534 (set-buffer gnus-article-buffer)
5535 (let ((buffer-read-only nil)
5536 (inhibit-point-motion-hooks t))
5537 (if (text-property-any end (point-max) 'article-type 'signature)
5539 (gnus-delete-wash-type 'signature)
5540 (gnus-remove-text-properties-when
5541 'article-type 'signature end (point-max)
5542 (cons 'article-type (cons 'signature
5543 gnus-hidden-properties))))
5544 (gnus-add-wash-type 'signature)
5545 (gnus-add-text-properties-when
5546 'article-type nil end (point-max)
5547 (cons 'article-type (cons 'signature
5548 gnus-hidden-properties)))))
5549 (let ((gnus-article-mime-handle-alist-1 gnus-article-mime-handle-alist))
5550 (gnus-set-mode-line 'article))))
5552 (defun gnus-button-entry ()
5553 ;; Return the first entry in `gnus-button-alist' matching this place.
5554 (let ((alist gnus-button-alist)
5557 (setq entry (pop alist))
5558 (if (looking-at (eval (car entry)))
5563 (defun gnus-button-push (marker)
5564 ;; Push button starting at MARKER.
5567 (let* ((entry (gnus-button-entry))
5568 (inhibit-point-motion-hooks t)
5570 (args (mapcar (lambda (group)
5571 (let ((string (match-string group)))
5572 (gnus-set-text-properties
5573 0 (length string) nil string)
5580 (fboundp (symbol-value fun)))
5581 (apply (symbol-value fun) args))
5583 (gnus-message 1 "You must define `%S' to use this button"
5584 (cons fun args)))))))
5586 (defun gnus-parse-news-url (url)
5587 (let (scheme server group message-id articles)
5590 (goto-char (point-min))
5591 (when (looking-at "\\([A-Za-z]+\\):")
5592 (setq scheme (match-string 1))
5593 (goto-char (match-end 0)))
5594 (when (looking-at "//\\([^/]+\\)/")
5595 (setq server (match-string 1))
5596 (goto-char (match-end 0)))
5599 ((looking-at "\\(.*@.*\\)")
5600 (setq message-id (match-string 1)))
5601 ((looking-at "\\([^/]+\\)/\\([-0-9]+\\)")
5602 (setq group (match-string 1)
5603 articles (split-string (match-string 2) "-")))
5604 ((looking-at "\\([^/]+\\)/?")
5605 (setq group (match-string 1)))
5607 (error "Unknown news URL syntax"))))
5608 (list scheme server group message-id articles)))
5610 (defun gnus-button-handle-news (url)
5612 (destructuring-bind (scheme server group message-id articles)
5613 (gnus-parse-news-url url)
5617 (set-buffer gnus-summary-buffer)
5619 (let ((gnus-refer-article-method (list (list 'nntp server))))
5620 (gnus-summary-refer-article message-id))
5621 (gnus-summary-refer-article message-id))))
5623 (gnus-button-fetch-group url)))))
5625 (defun gnus-button-handle-info (url)
5626 "Fetch an info URL."
5628 "^\\([^:/]+\\)?/\\(.*\\)"
5630 (gnus-info-find-node
5631 (concat "(" (or (gnus-url-unhex-string (match-string 1 url))
5634 (gnus-url-unhex-string (match-string 2 url))))
5635 (error "Can't parse %s" url)))
5637 (defun gnus-button-message-id (message-id)
5640 (set-buffer gnus-summary-buffer)
5641 (gnus-summary-refer-article message-id)))
5643 (defun gnus-button-fetch-group (address)
5644 "Fetch GROUP specified by ADDRESS."
5645 (if (not (string-match "[:/]" address))
5646 ;; This is just a simple group url.
5647 (gnus-group-read-ephemeral-group address gnus-select-method)
5650 "^\\([^:/]+\\)\\(:\\([^/]+\\)\\)?/\\([^/]+\\)\\(/\\([0-9]+\\)\\)?"
5652 (error "Can't parse %s" address)
5653 (gnus-group-read-ephemeral-group
5654 (match-string 4 address)
5655 `(nntp ,(match-string 1 address)
5656 (nntp-address ,(match-string 1 address))
5657 (nntp-port-number ,(if (match-end 3)
5658 (match-string 3 address)
5661 (and (match-end 6) (list (string-to-int (match-string 6 address))))))))
5663 (defun gnus-url-parse-query-string (query &optional downcase)
5664 (let (retval pairs cur key val)
5665 (setq pairs (split-string query "&"))
5667 (setq cur (car pairs)
5669 (if (not (string-match "=" cur))
5671 (setq key (gnus-url-unhex-string (substring cur 0 (match-beginning 0)))
5672 val (gnus-url-unhex-string (substring cur (match-end 0) nil) t))
5674 (setq key (downcase key)))
5675 (setq cur (assoc key retval))
5677 (setcdr cur (cons val (cdr cur)))
5678 (setq retval (cons (list key val) retval)))))
5681 (defun gnus-url-mailto (url)
5682 ;; Send mail to someone
5683 (when (string-match "mailto:/*\\(.*\\)" url)
5684 (setq url (substring url (match-beginning 1) nil)))
5685 (let (to args subject func)
5686 (if (string-match (regexp-quote "?") url)
5687 (setq to (gnus-url-unhex-string (substring url 0 (match-beginning 0)))
5688 args (gnus-url-parse-query-string
5689 (substring url (match-end 0) nil) t))
5690 (setq to (gnus-url-unhex-string url)))
5691 (setq args (cons (list "to" to) args)
5692 subject (cdr-safe (assoc "subject" args)))
5695 (setq func (intern-soft (concat "message-goto-" (downcase (caar args)))))
5698 (message-position-on-field (caar args)))
5699 (insert (mapconcat 'identity (cdar args) ", "))
5700 (setq args (cdr args)))
5703 (message-goto-subject))))
5705 (defun gnus-button-embedded-url (address)
5706 "Activate ADDRESS with `browse-url'."
5707 (browse-url (gnus-strip-whitespace address)))
5709 ;;; Next/prev buttons in the article buffer.
5711 (defvar gnus-next-page-line-format "%{%(Next page...%)%}\n")
5712 (defvar gnus-prev-page-line-format "%{%(Previous page...%)%}\n")
5714 (defvar gnus-prev-page-map
5715 (let ((map (make-sparse-keymap)))
5716 (unless (>= emacs-major-version 21)
5717 ;; XEmacs doesn't care.
5718 (set-keymap-parent map gnus-article-mode-map))
5719 (define-key map gnus-mouse-2 'gnus-button-prev-page)
5720 (define-key map "\r" 'gnus-button-prev-page)
5723 (defun gnus-insert-prev-page-button ()
5725 (buffer-read-only nil))
5727 gnus-prev-page-line-format nil
5728 `(,@(gnus-local-map-property gnus-prev-page-map)
5730 gnus-callback gnus-article-button-prev-page
5731 article-type annotation))
5732 (widget-convert-button
5734 :action 'gnus-button-prev-page
5735 :button-keymap gnus-prev-page-map)))
5737 (defvar gnus-prev-page-map
5738 (let ((map (make-sparse-keymap)))
5739 (unless (>= emacs-major-version 21)
5740 ;; XEmacs doesn't care.
5741 (set-keymap-parent map gnus-article-mode-map))
5742 (define-key map gnus-mouse-2 'gnus-button-prev-page)
5743 (define-key map "\r" 'gnus-button-prev-page)
5746 (defvar gnus-next-page-map
5747 (let ((map (make-sparse-keymap)))
5748 (unless (>= emacs-major-version 21)
5749 ;; XEmacs doesn't care.
5750 (set-keymap-parent map gnus-article-mode-map))
5751 (define-key map gnus-mouse-2 'gnus-button-next-page)
5752 (define-key map "\r" 'gnus-button-next-page)
5755 (defun gnus-button-next-page (&optional args more-args)
5756 "Go to the next page."
5758 (let ((win (selected-window)))
5759 (select-window (gnus-get-buffer-window gnus-article-buffer t))
5760 (gnus-article-next-page)
5761 (select-window win)))
5763 (defun gnus-button-prev-page (&optional args more-args)
5764 "Go to the prev page."
5766 (let ((win (selected-window)))
5767 (select-window (gnus-get-buffer-window gnus-article-buffer t))
5768 (gnus-article-prev-page)
5769 (select-window win)))
5771 (defun gnus-insert-next-page-button ()
5773 (buffer-read-only nil))
5774 (gnus-eval-format gnus-next-page-line-format nil
5775 `(,@(gnus-local-map-property gnus-next-page-map)
5777 gnus-callback gnus-article-button-next-page
5778 article-type annotation))
5779 (widget-convert-button
5781 :action 'gnus-button-next-page
5782 :button-keymap gnus-next-page-map)))
5784 (defun gnus-article-button-next-page (arg)
5785 "Go to the next page."
5787 (let ((win (selected-window)))
5788 (select-window (gnus-get-buffer-window gnus-article-buffer t))
5789 (gnus-article-next-page)
5790 (select-window win)))
5792 (defun gnus-article-button-prev-page (arg)
5793 "Go to the prev page."
5795 (let ((win (selected-window)))
5796 (select-window (gnus-get-buffer-window gnus-article-buffer t))
5797 (gnus-article-prev-page)
5798 (select-window win)))
5800 (defvar gnus-decode-header-methods
5801 '(mail-decode-encoded-word-region)
5802 "List of methods used to decode headers.
5804 This variable is a list of FUNCTION or (REGEXP . FUNCTION). If item
5805 is FUNCTION, FUNCTION will be apply to all newsgroups. If item is a
5806 \(REGEXP . FUNCTION), FUNCTION will be only apply to thes newsgroups
5807 whose names match REGEXP.
5810 \((\"chinese\" . gnus-decode-encoded-word-region-by-guess)
5811 mail-decode-encoded-word-region
5812 (\"chinese\" . rfc1843-decode-region))
5815 (defvar gnus-decode-header-methods-cache nil)
5817 (defun gnus-multi-decode-header (start end)
5818 "Apply the functions from `gnus-encoded-word-methods' that match."
5819 (unless (and gnus-decode-header-methods-cache
5820 (eq gnus-newsgroup-name
5821 (car gnus-decode-header-methods-cache)))
5822 (setq gnus-decode-header-methods-cache (list gnus-newsgroup-name))
5825 (nconc gnus-decode-header-methods-cache (list x))
5826 (if (and gnus-newsgroup-name
5827 (string-match (car x) gnus-newsgroup-name))
5828 (nconc gnus-decode-header-methods-cache
5830 gnus-decode-header-methods))
5831 (let ((xlist gnus-decode-header-methods-cache))
5834 (narrow-to-region start end)
5836 (funcall (pop xlist) (point-min) (point-max))))))
5839 ;;; Treatment top-level handling.
5842 (defun gnus-treat-article (condition &optional part-number total-parts type)
5843 (let ((length (- (point-max) (point-min)))
5844 (alist gnus-treatment-function-alist)
5845 (article-goto-body-goes-to-point-min-p t)
5849 (let ((list gnus-article-treat-types))
5851 (when (string-match (pop list) type)
5852 (throw 'found t)))))))
5853 (highlightp (gnus-visual-p 'article-highlight 'highlight))
5855 (gnus-run-hooks 'gnus-part-display-hook)
5856 (while (setq elem (pop alist))
5859 (if (gnus-buffer-live-p gnus-summary-buffer)
5860 (set-buffer gnus-summary-buffer))
5861 (symbol-value (car elem))))
5862 (when (and (or (consp val)
5864 (gnus-treat-predicate val)
5865 (or (not (get (car elem) 'highlight))
5868 (funcall (cadr elem)))))))
5870 ;; Dynamic variables.
5872 (defvar part-number)
5873 (defvar total-parts)
5878 (defun gnus-treat-predicate (val)
5883 (stringp (car val)))
5884 (apply 'gnus-or (mapcar `(lambda (s)
5885 (string-match s ,(or gnus-newsgroup-name "")))
5888 (let ((pred (pop val)))
5891 (apply 'gnus-or (mapcar 'gnus-treat-predicate val)))
5893 (apply 'gnus-and (mapcar 'gnus-treat-predicate val)))
5895 (not (gnus-treat-predicate (car val))))
5897 (equal (car val) type))
5899 (error "%S is not a valid predicate" pred)))))
5907 (eq part-number total-parts))
5911 (error "%S is not a valid value" val))))
5913 (defun gnus-article-encrypt-body (protocol &optional n)
5914 "Encrypt the article body."
5917 (or gnus-article-encrypt-protocol
5918 (completing-read "Encrypt protocol: "
5919 gnus-article-encrypt-protocol-alist
5921 current-prefix-arg))
5922 (let ((func (cdr (assoc protocol gnus-article-encrypt-protocol-alist))))
5924 (error (format "Can't find the encrypt protocol %s" protocol)))
5925 (if (equal gnus-newsgroup-name "nndraft:drafts")
5926 (error "Can't encrypt the article in group nndraft:drafts"))
5927 (if (equal gnus-newsgroup-name "nndraft:queue")
5928 (error "Don't encrypt the article in group nndraft:queue"))
5929 (gnus-summary-iterate n
5931 (set-buffer gnus-summary-buffer)
5932 (let ((mail-parse-charset gnus-newsgroup-charset)
5933 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets)
5934 (summary-buffer gnus-summary-buffer)
5936 (gnus-set-global-variables)
5937 (when (gnus-group-read-only-p)
5938 (error "The current newsgroup does not support article encrypt"))
5939 (gnus-summary-show-article t)
5941 (or (mail-header-references gnus-current-headers) ""))
5942 (set-buffer gnus-article-buffer)
5943 (let* ((buffer-read-only nil)
5945 (mapcar (lambda (field)
5946 (and (save-restriction
5947 (message-narrow-to-head)
5948 (goto-char (point-min))
5949 (search-forward field nil t))
5951 (message-narrow-to-field)
5952 (buffer-substring (point-min) (point-max))
5953 (delete-region (point-min) (point-max))
5955 '("Content-Type:" "Content-Transfer-Encoding:"
5956 "Content-Disposition:"))))
5957 (message-narrow-to-head)
5958 (message-remove-header "MIME-Version")
5959 (goto-char (point-max))
5960 (setq point (point))
5961 (insert (apply 'concat headers))
5963 (narrow-to-region point (point-max))
5964 (let ((message-options message-options))
5965 (message-options-set 'message-sender user-mail-address)
5966 (message-options-set 'message-recipients user-mail-address)
5967 (message-options-set 'message-sign-encrypt 'not)
5969 (goto-char (point-min))
5970 (insert "MIME-Version: 1.0\n")
5972 (gnus-summary-edit-article-done
5973 references nil summary-buffer t))
5974 (when gnus-keep-backlog
5975 (gnus-backlog-remove-article
5976 (car gnus-article-current) (cdr gnus-article-current)))
5978 (when (get-buffer gnus-original-article-buffer)
5979 (set-buffer gnus-original-article-buffer)
5980 (setq gnus-original-article nil)))
5981 (when gnus-use-cache
5982 (gnus-cache-update-article
5983 (car gnus-article-current) (cdr gnus-article-current))))))))
5985 (defvar gnus-mime-security-button-line-format "%{%([[%t:%i]%D]%)%}\n"
5986 "The following specs can be used:
5987 %t The security MIME type
5990 %D Details if button is pressed")
5992 (defvar gnus-mime-security-button-end-line-format "%{%([[End of %t]%D]%)%}\n"
5993 "The following specs can be used:
5994 %t The security MIME type
5997 %D Details if button is pressed")
5999 (defvar gnus-mime-security-button-line-format-alist
6000 '((?t gnus-tmp-type ?s)
6001 (?i gnus-tmp-info ?s)
6002 (?d gnus-tmp-details ?s)
6003 (?D gnus-tmp-pressed-details ?s)))
6005 (defvar gnus-mime-security-button-map
6006 (let ((map (make-sparse-keymap)))
6007 (unless (>= (string-to-number emacs-version) 21)
6008 (set-keymap-parent map gnus-article-mode-map))
6009 (define-key map gnus-mouse-2 'gnus-article-push-button)
6010 (define-key map "\r" 'gnus-article-press-button)
6013 (defvar gnus-mime-security-details-buffer nil)
6015 (defvar gnus-mime-security-button-pressed nil)
6017 (defvar gnus-mime-security-show-details-inline t
6018 "If non-nil, show details in the article buffer.")
6020 (defun gnus-mime-security-verify-or-decrypt (handle)
6021 (mm-remove-parts (cdr handle))
6022 (let ((region (mm-handle-multipart-ctl-parameter handle 'gnus-region))
6023 point buffer-read-only)
6025 (goto-char (car region)))
6027 (narrow-to-region (point) (point))
6028 (with-current-buffer (mm-handle-multipart-original-buffer handle)
6029 (let* ((mm-verify-option 'known)
6030 (mm-decrypt-option 'known)
6031 (nparts (mm-possibly-verify-or-decrypt (cdr handle) handle)))
6032 (unless (eq nparts (cdr handle))
6033 (mm-destroy-parts (cdr handle))
6034 (setcdr handle nparts))))
6035 (setq point (point))
6036 (gnus-mime-display-security handle)
6037 (goto-char (point-max)))
6039 (delete-region (point) (cdr region))
6040 (set-marker (car region) nil)
6041 (set-marker (cdr region) nil))
6044 (defun gnus-mime-security-show-details (handle)
6045 (let ((details (mm-handle-multipart-ctl-parameter handle 'gnus-details)))
6047 (if gnus-mime-security-show-details-inline
6048 (let ((gnus-mime-security-button-pressed t)
6049 (gnus-mime-security-button-line-format
6050 (get-text-property (point) 'gnus-line-format))
6053 (while (eq (get-text-property (point) 'gnus-line-format)
6054 gnus-mime-security-button-line-format)
6058 (narrow-to-region (point) (point))
6059 (gnus-insert-mime-security-button handle))
6060 (delete-region (point)
6061 (or (text-property-not-all
6064 gnus-mime-security-button-line-format)
6066 (if (gnus-buffer-live-p gnus-mime-security-details-buffer)
6067 (with-current-buffer gnus-mime-security-details-buffer
6070 (setq gnus-mime-security-details-buffer
6071 (gnus-get-buffer-create "*MIME Security Details*")))
6072 (with-current-buffer gnus-mime-security-details-buffer
6074 (goto-char (point-min)))
6075 (pop-to-buffer gnus-mime-security-details-buffer))
6076 (gnus-message 5 "No details."))))
6078 (defun gnus-mime-security-press-button (handle)
6079 (if (mm-handle-multipart-ctl-parameter handle 'gnus-info)
6080 (gnus-mime-security-show-details handle)
6081 (gnus-mime-security-verify-or-decrypt handle)))
6083 (defun gnus-insert-mime-security-button (handle &optional displayed)
6084 (let* ((protocol (mm-handle-multipart-ctl-parameter handle 'protocol))
6087 (or (nth 2 (assoc protocol mm-verify-function-alist))
6088 (nth 2 (assoc protocol mm-decrypt-function-alist))
6090 (if (equal (car handle) "multipart/signed")
6091 " Signed" " Encrypted")
6094 (or (mm-handle-multipart-ctl-parameter handle 'gnus-info)
6097 (mm-handle-multipart-ctl-parameter handle 'gnus-details))
6098 gnus-tmp-pressed-details
6100 (setq gnus-tmp-details
6101 (if gnus-tmp-details
6102 (concat "\n" gnus-tmp-details) ""))
6103 (setq gnus-tmp-pressed-details
6104 (if gnus-mime-security-button-pressed gnus-tmp-details ""))
6109 gnus-mime-security-button-line-format
6110 gnus-mime-security-button-line-format-alist
6111 `(,@(gnus-local-map-property gnus-mime-security-button-map)
6112 gnus-callback gnus-mime-security-press-button
6113 gnus-line-format ,gnus-mime-security-button-line-format
6114 article-type annotation
6117 (widget-convert-button
6120 :action 'gnus-widget-press-button
6121 :button-keymap gnus-mime-security-button-map
6123 (lambda (widget/window &optional overlay pos)
6124 ;; Needed to properly clear the message due to a bug in
6125 ;; wid-edit (XEmacs only).
6126 (if (boundp 'help-echo-owns-message)
6127 (setq help-echo-owns-message t))
6130 (aref gnus-mouse-2 0))))))
6132 (defun gnus-mime-display-security (handle)
6134 (narrow-to-region (point) (point))
6135 (unless (gnus-unbuttonized-mime-type-p (car handle))
6136 (gnus-insert-mime-security-button handle))
6137 (gnus-mime-display-mixed (cdr handle))
6140 (unless (gnus-unbuttonized-mime-type-p (car handle))
6141 (let ((gnus-mime-security-button-line-format
6142 gnus-mime-security-button-end-line-format))
6143 (gnus-insert-mime-security-button handle)))
6144 (mm-set-handle-multipart-parameter
6146 (cons (set-marker (make-marker) (point-min))
6147 (set-marker (make-marker) (point-max))))))
6153 (run-hooks 'gnus-art-load-hook)
6155 ;;; gnus-art.el ends here