1 ;;; gnus-art.el --- article mode commands for Gnus
2 ;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
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
111 (concat "^" header ":"))
112 '("Path" "Expires" "Date-Received" "References" "Xref" "Lines"
113 "Relay-Version" "Message-ID" "Approved" "Sender" "Received"
114 "X-UIDL" "MIME-Version" "Return-Path" "In-Reply-To"
115 "Content-Type" "Content-Transfer-Encoding" "X-WebTV-Signature"
116 "X-MimeOLE" "X-MSMail-Priority" "X-Priority" "X-Loop"
117 "X-Authentication-Warning" "X-MIME-Autoconverted" "X-Face"
118 "X-Attribution" "X-Originating-IP" "Delivered-To"
119 "NNTP-[-A-Za-z]+" "Distribution" "X-no-archive" "X-Trace"
120 "X-Complaints-To" "X-NNTP-Posting-Host" "X-Orig.*"
121 "Abuse-Reports-To" "Cache-Post-Path" "X-Article-Creation-Date"
122 "X-Poster" "X-Mail2News-Path" "X-Server-Date" "X-Cache"
123 "Originator" "X-Problems-To" "X-Auth-User" "X-Post-Time"
124 "X-Admin" "X-UID" "Resent-[-A-Za-z]+" "X-Mailing-List"
125 "Precedence" "Original-[-A-Za-z]+" "X-filename" "X-Orcpt"
126 "Old-Received" "X-Pgp" "X-Auth" "X-From-Line"
127 "X-Gnus-Article-Number" "X-Majordomo" "X-Url" "X-Sender"
128 "MBOX-Line" "Priority" "X400-[-A-Za-z]+"
129 "Status" "X-Gnus-Mail-Source" "Cancel-Lock"
130 "X-FTN" "X-EXP32-SerialNo" "Encoding" "Importance"
131 "Autoforwarded" "Original-Encoded-Information-Types" "X-Ya-Pop3"
132 "X-Face-Version" "X-Vms-To" "X-ML-NAME" "X-ML-COUNT"
133 "Mailing-List" "X-finfo" "X-md5sum" "X-md5sum-Origin"
134 "X-Sun-Charset" "X-Accept-Language" "X-Envelope-Sender"
135 "List-[A-Za-z]+" "X-Listprocessor-Version"
136 "X-Received" "X-Distribute" "X-Sequence" "X-Juno-Line-Breaks"
137 "X-Notes-Item" "X-MS-TNEF-Correlator" "x-uunet-gateway"
138 "X-Received" "Content-length" "X-precedence"
139 "X-Authenticated-User" "X-Comment" "X-Report" "X-Abuse-Info"
140 "X-HTTP-Proxy" "X-Mydeja-Info" "X-Copyright" "X-No-Markup"
141 "X-Abuse-Info" "X-From_" "X-Accept-Language" "Errors-To"
142 "X-BeenThere" "X-Mailman-Version" "List-Help" "List-Post"
143 "List-Subscribe" "List-Id" "List-Unsubscribe" "List-Archive"
144 "X-Content-length" "X-Posting-Agent" "Original-Received"
145 "X-Request-PGP" "X-Fingerprint" "X-WRIEnvto" "X-WRIEnvfrom"
146 "X-Virus-Scanned" "X-Delivery-Agent" "Posted-Date" "X-Gateway"
147 "X-Local-Origin" "X-Local-Destination" "X-UserInfo1"
148 "X-Received-Date" "X-Hashcash" "Face" "X-DMCA-Notifications"
149 "X-Abuse-and-DMCA-Info" "X-Postfilter"))
150 "*All headers that start with this regexp will be hidden.
151 This variable can also be a list of regexps of headers to be ignored.
152 If `gnus-visible-headers' is non-nil, this variable will be ignored."
153 :type '(choice :custom-show nil
156 :group 'gnus-article-hiding)
158 (defcustom gnus-visible-headers
159 "^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:"
160 "*All headers that do not match this regexp will be hidden.
161 This variable can also be a list of regexp of headers to remain visible.
162 If this variable is non-nil, `gnus-ignored-headers' will be ignored."
163 :type '(repeat :value-to-internal (lambda (widget value)
164 (custom-split-regexp-maybe value))
165 :match (lambda (widget value)
167 (widget-editable-list-match widget value)))
169 :group 'gnus-article-hiding)
171 (defcustom gnus-sorted-header-list
172 '("^From:" "^Subject:" "^Summary:" "^Keywords:" "^Newsgroups:"
173 "^Followup-To:" "^To:" "^Cc:" "^Date:" "^Organization:")
174 "*This variable is a list of regular expressions.
175 If it is non-nil, headers that match the regular expressions will
176 be placed first in the article buffer in the sequence specified by
178 :type '(repeat regexp)
179 :group 'gnus-article-hiding)
181 (defcustom gnus-boring-article-headers '(empty followup-to reply-to)
182 "Headers that are only to be displayed if they have interesting data.
183 Possible values in this list are:
185 'empty Headers with no content.
186 'newsgroups Newsgroup identical to Gnus group.
187 'to-address To identical to To-address.
188 'to-list To identical to To-list.
189 'cc-list CC identical to To-list.
190 'followup-to Followup-to identical to Newsgroups.
191 'reply-to Reply-to identical to From.
192 'date Date less than four days old.
193 'long-to To and/or Cc longer than 1024 characters.
194 'many-to Multiple To and/or Cc."
195 :type '(set (const :tag "Headers with no content." empty)
196 (const :tag "Newsgroups identical to Gnus group." newsgroups)
197 (const :tag "To identical to To-address." to-address)
198 (const :tag "To identical to To-list." to-list)
199 (const :tag "CC identical to To-list." cc-list)
200 (const :tag "Followup-to identical to Newsgroups." followup-to)
201 (const :tag "Reply-to identical to From." reply-to)
202 (const :tag "Date less than four days old." date)
203 (const :tag "To and/or Cc longer than 1024 characters." long-to)
204 (const :tag "Multiple To and/or Cc headers." many-to))
205 :group 'gnus-article-hiding)
207 (defcustom gnus-article-skip-boring nil
208 "Skip over text that is not worth reading.
209 By default, if you set this t, then Gnus will display citations and
210 signatures, but will never scroll down to show you a page consisting
211 only of boring text. Boring text is controlled by
212 `gnus-article-boring-faces'."
214 :group 'gnus-article-hiding)
216 (defcustom gnus-signature-separator '("^-- $" "^-- *$")
217 "Regexp matching signature separator.
218 This can also be a list of regexps. In that case, it will be checked
219 from head to tail looking for a separator. Searches will be done from
220 the end of the buffer."
221 :type '(repeat string)
222 :group 'gnus-article-signature)
224 (defcustom gnus-signature-limit nil
225 "Provide a limit to what is considered a signature.
226 If it is a number, no signature may not be longer (in characters) than
227 that number. If it is a floating point number, no signature may be
228 longer (in lines) than that number. If it is a function, the function
229 will be called without any parameters, and if it returns nil, there is
230 no signature in the buffer. If it is a string, it will be used as a
231 regexp. If it matches, the text in question is not a signature."
232 :type '(choice (integer :value 200)
234 (function :value fun)
235 (regexp :value ".*"))
236 :group 'gnus-article-signature)
238 (defcustom gnus-hidden-properties '(invisible t intangible t)
239 "Property list to use for hiding text."
241 :group 'gnus-article-hiding)
243 ;; Fixme: This isn't the right thing for mixed graphical and and
244 ;; non-graphical frames in a session.
245 (defcustom gnus-article-x-face-command
246 (if (featurep 'xemacs)
247 (if (or (gnus-image-type-available-p 'xface)
248 (gnus-image-type-available-p 'pbm))
249 'gnus-display-x-face-in-from
250 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | ee -")
251 (if (gnus-image-type-available-p 'pbm)
252 'gnus-display-x-face-in-from
253 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | \
255 "*String or function to be executed to display an X-Face header.
256 If it is a string, the command will be executed in a sub-shell
257 asynchronously. The compressed face will be piped to this command."
258 :type `(choice string
259 (function-item gnus-display-x-face-in-from)
263 :group 'gnus-article-washing)
265 (defcustom gnus-article-x-face-too-ugly nil
266 "Regexp matching posters whose face shouldn't be shown automatically."
267 :type '(choice regexp (const nil))
268 :group 'gnus-article-washing)
270 (defcustom gnus-article-banner-alist nil
271 "Banner alist for stripping.
273 ((egroups . \"^[ \\t\\n]*-------------------+\\\\( \\\\(e\\\\|Yahoo! \\\\)Groups Sponsor -+\\\\)?....\\n\\\\(.+\\n\\\\)+\"))"
275 :type '(repeat (cons symbol regexp))
276 :group 'gnus-article-washing)
278 (gnus-define-group-parameter
281 "Alist of regexps (to match group names) and banner."
282 :variable-group gnus-article-washing
284 '(choice :tag "Banner"
286 (const :tag "Remove signature" signature)
287 (symbol :tag "Item in `gnus-article-banner-alist'" none)
289 (const :tag "None" nil))
291 "If non-nil, specify how to remove `banners' from articles.
293 Symbol `signature' means to remove signatures delimited by
294 `gnus-signature-separator'. Any other symbol is used to look up a
295 regular expression to match the banner in `gnus-article-banner-alist'.
296 A string is used as a regular expression to match the banner
299 (defcustom gnus-article-address-banner-alist nil
300 "Alist of mail addresses and banners.
301 Each element has the form (ADDRESS . BANNER), where ADDRESS is a regexp
302 to match a mail address in the From: header, BANNER is one of a symbol
303 `signature', an item in `gnus-article-banner-alist', a regexp and nil.
304 If ADDRESS matches author's mail address, it will remove things like
305 advertisements. For example:
307 \((\"@yoo-hoo\\\\.co\\\\.jp\\\\'\" . \"\\n_+\\nDo You Yoo-hoo!\\\\?\\n.*\\n.*\\n\"))
311 (regexp :tag "Address")
312 (choice :tag "Banner" :value nil
313 (const :tag "Remove signature" signature)
314 (symbol :tag "Item in `gnus-article-banner-alist'" none)
316 (const :tag "None" nil))))
317 :group 'gnus-article-washing)
319 (defcustom gnus-emphasis-alist
321 "\\(\\s-\\|^\\|\\=\\|[-\"]\\|\\s(\\)\\(%s\\(\\w+\\(\\s-+\\w+\\)*[.,]?\\)%s\\)\\(\\([-,.;:!?\"]\\|\\s)\\)+\\s-\\|[?!.]\\s-\\|\\s)\\|\\s-\\)")
326 ("_/" "/_" underline-italic)
327 ("_\\*" "\\*_" underline-bold)
328 ("\\*/" "/\\*" bold-italic)
329 ("_\\*/" "/\\*_" underline-bold-italic))))
333 (format format (car spec) (cadr spec))
334 2 3 (intern (format "gnus-emphasis-%s" (nth 2 spec)))))
336 ("\\(\\s-\\|^\\)\\(-\\(\\(\\w\\|-[^-]\\)+\\)-\\)\\(\\s-\\|[?!.,;]\\)"
337 2 3 gnus-emphasis-strikethru)
338 ("\\(\\s-\\|^\\)\\(_\\(\\(\\w\\|_[^_]\\)+\\)_\\)\\(\\s-\\|[?!.,;]\\)"
339 2 3 gnus-emphasis-underline)))
340 "*Alist that says how to fontify certain phrases.
341 Each item looks like this:
343 (\"_\\\\(\\\\w+\\\\)_\" 0 1 'underline)
345 The first element is a regular expression to be matched. The second
346 is a number that says what regular expression grouping used to find
347 the entire emphasized word. The third is a number that says what
348 regexp grouping should be displayed and highlighted. The fourth
349 is the face used for highlighting."
350 :type '(repeat (list :value ("" 0 0 default)
352 (integer :tag "Match group")
353 (integer :tag "Emphasize group")
355 :group 'gnus-article-emphasis)
357 (defcustom gnus-emphasize-whitespace-regexp "^[ \t]+\\|[ \t]*\n"
358 "A regexp to describe whitespace which should not be emphasized.
359 Typical values are \"^[ \\t]+\\\\|[ \\t]*\\n\" and \"[ \\t]+\\\\|[ \\t]*\\n\".
360 The former avoids underlining of leading and trailing whitespace,
361 and the latter avoids underlining any whitespace at all."
363 :group 'gnus-article-emphasis
366 (defface gnus-emphasis-bold '((t (:bold t)))
367 "Face used for displaying strong emphasized text (*word*)."
368 :group 'gnus-article-emphasis)
370 (defface gnus-emphasis-italic '((t (:italic t)))
371 "Face used for displaying italic emphasized text (/word/)."
372 :group 'gnus-article-emphasis)
374 (defface gnus-emphasis-underline '((t (:underline t)))
375 "Face used for displaying underlined emphasized text (_word_)."
376 :group 'gnus-article-emphasis)
378 (defface gnus-emphasis-underline-bold '((t (:bold t :underline t)))
379 "Face used for displaying underlined bold emphasized text (_*word*_)."
380 :group 'gnus-article-emphasis)
382 (defface gnus-emphasis-underline-italic '((t (:italic t :underline t)))
383 "Face used for displaying underlined italic emphasized text (_/word/_)."
384 :group 'gnus-article-emphasis)
386 (defface gnus-emphasis-bold-italic '((t (:bold t :italic t)))
387 "Face used for displaying bold italic emphasized text (/*word*/)."
388 :group 'gnus-article-emphasis)
390 (defface gnus-emphasis-underline-bold-italic
391 '((t (:bold t :italic t :underline t)))
392 "Face used for displaying underlined bold italic emphasized text.
393 Example: (_/*word*/_)."
394 :group 'gnus-article-emphasis)
396 (defface gnus-emphasis-strikethru '((t (:strikethru t)))
397 "Face used for displaying strike-through text (-word-)."
398 :group 'gnus-article-emphasis)
400 (defface gnus-emphasis-highlight-words
401 '((t (:background "black" :foreground "yellow")))
402 "Face used for displaying highlighted words."
403 :group 'gnus-article-emphasis)
405 (defcustom gnus-article-time-format "%a, %b %d %Y %T %Z"
406 "Format for display of Date headers in article bodies.
407 See `format-time-string' for the possible values.
409 The variable can also be function, which should return a complete Date
410 header. The function is called with one argument, the time, which can
411 be fed to `format-time-string'."
412 :type '(choice string symbol)
413 :link '(custom-manual "(gnus)Article Date")
414 :group 'gnus-article-washing)
417 (autoload 'mail-extract-address-components "mail-extr"))
419 (defcustom gnus-save-all-headers t
420 "*If non-nil, don't remove any headers before saving."
421 :group 'gnus-article-saving
424 (defcustom gnus-prompt-before-saving 'always
425 "*This variable says how much prompting is to be done when saving articles.
426 If it is nil, no prompting will be done, and the articles will be
427 saved to the default files. If this variable is `always', each and
428 every article that is saved will be preceded by a prompt, even when
429 saving large batches of articles. If this variable is neither nil not
430 `always', there the user will be prompted once for a file name for
431 each invocation of the saving commands."
432 :group 'gnus-article-saving
433 :type '(choice (item always)
434 (item :tag "never" nil)
435 (sexp :tag "once" :format "%t\n" :value t)))
437 (defcustom gnus-saved-headers gnus-visible-headers
438 "Headers to keep if `gnus-save-all-headers' is nil.
439 If `gnus-save-all-headers' is non-nil, this variable will be ignored.
440 If that variable is nil, however, all headers that match this regexp
441 will be kept while the rest will be deleted before saving."
442 :group 'gnus-article-saving
445 (defcustom gnus-default-article-saver 'gnus-summary-save-in-rmail
446 "A function to save articles in your favourite format.
447 The function must be interactively callable (in other words, it must
448 be an Emacs command).
450 Gnus provides the following functions:
452 * gnus-summary-save-in-rmail (Rmail format)
453 * gnus-summary-save-in-mail (Unix mail format)
454 * gnus-summary-save-in-folder (MH folder)
455 * gnus-summary-save-in-file (article format)
456 * gnus-summary-save-body-in-file (article body)
457 * gnus-summary-save-in-vm (use VM's folder format)
458 * gnus-summary-write-to-file (article format -- overwrite)."
459 :group 'gnus-article-saving
460 :type '(radio (function-item gnus-summary-save-in-rmail)
461 (function-item gnus-summary-save-in-mail)
462 (function-item gnus-summary-save-in-folder)
463 (function-item gnus-summary-save-in-file)
464 (function-item gnus-summary-save-body-in-file)
465 (function-item gnus-summary-save-in-vm)
466 (function-item gnus-summary-write-to-file)))
468 (defcustom gnus-rmail-save-name 'gnus-plain-save-name
469 "A function generating a file name to save articles in Rmail format.
470 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
471 :group 'gnus-article-saving
474 (defcustom gnus-mail-save-name 'gnus-plain-save-name
475 "A function generating a file name to save articles in Unix mail format.
476 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
477 :group 'gnus-article-saving
480 (defcustom gnus-folder-save-name 'gnus-folder-save-name
481 "A function generating a file name to save articles in MH folder.
482 The function is called with NEWSGROUP, HEADERS, and optional LAST-FOLDER."
483 :group 'gnus-article-saving
486 (defcustom gnus-file-save-name 'gnus-numeric-save-name
487 "A function generating a file name to save articles in article format.
488 The function is called with NEWSGROUP, HEADERS, and optional
490 :group 'gnus-article-saving
493 (defcustom gnus-split-methods
494 '((gnus-article-archive-name)
495 (gnus-article-nndoc-name))
496 "*Variable used to suggest where articles are to be saved.
497 For instance, if you would like to save articles related to Gnus in
498 the file \"gnus-stuff\", and articles related to VM in \"vm-stuff\",
499 you could set this variable to something like:
501 '((\"^Subject:.*gnus\\|^Newsgroups:.*gnus\" \"gnus-stuff\")
502 (\"^Subject:.*vm\\|^Xref:.*vm\" \"vm-stuff\"))
504 This variable is an alist where the where the key is the match and the
505 value is a list of possible files to save in if the match is non-nil.
507 If the match is a string, it is used as a regexp match on the
508 article. If the match is a symbol, that symbol will be funcalled
509 from the buffer of the article to be saved with the newsgroup as the
510 parameter. If it is a list, it will be evaled in the same buffer.
512 If this form or function returns a string, this string will be used as
513 a possible file name; and if it returns a non-nil list, that list will
514 be used as possible file names."
515 :group 'gnus-article-saving
516 :type '(repeat (choice (list :value (fun) function)
517 (cons :value ("" "") regexp (repeat string))
520 (defcustom gnus-page-delimiter "^\^L"
521 "*Regexp describing what to use as article page delimiters.
522 The default value is \"^\^L\", which is a form linefeed at the
523 beginning of a line."
525 :group 'gnus-article-various)
527 (defcustom gnus-article-mode-line-format "Gnus: %g [%w] %S%m"
528 "*The format specification for the article mode line.
529 See `gnus-summary-mode-line-format' for a closer description.
531 The following additional specs are available:
533 %w The article washing status.
534 %m The number of MIME parts in the article."
536 :group 'gnus-article-various)
538 (defcustom gnus-article-mode-hook nil
539 "*A hook for Gnus article mode."
541 :group 'gnus-article-various)
543 (when (featurep 'xemacs)
544 ;; Extracted from gnus-xmas-define in order to preserve user settings
545 (when (fboundp 'turn-off-scroll-in-place)
546 (add-hook 'gnus-article-mode-hook 'turn-off-scroll-in-place))
547 ;; Extracted from gnus-xmas-redefine in order to preserve user settings
548 (add-hook 'gnus-article-mode-hook 'gnus-xmas-article-menu-add))
550 (defcustom gnus-article-menu-hook nil
551 "*Hook run after the creation of the article mode menu."
553 :group 'gnus-article-various)
555 (defcustom gnus-article-prepare-hook nil
556 "*A hook called after an article has been prepared in the article buffer."
558 :group 'gnus-article-various)
560 (defvar gnus-article-hide-pgp-hook nil)
561 (make-obsolete-variable 'gnus-article-hide-pgp-hook
562 "This variable is obsolete in Gnus 5.10.")
564 (defcustom gnus-article-button-face 'bold
565 "Face used for highlighting buttons in the article buffer.
567 An article button is a piece of text that you can activate by pressing
568 `RET' or `mouse-2' above it."
570 :group 'gnus-article-buttons)
572 (defcustom gnus-article-mouse-face 'highlight
573 "Face used for mouse highlighting in the article buffer.
575 Article buttons will be displayed in this face when the cursor is
578 :group 'gnus-article-buttons)
580 (defcustom gnus-signature-face 'gnus-signature-face
581 "Face used for highlighting a signature in the article buffer.
582 Obsolete; use the face `gnus-signature-face' for customizations instead."
584 :group 'gnus-article-highlight
585 :group 'gnus-article-signature)
587 (defface gnus-signature-face
590 "Face used for highlighting a signature in the article buffer."
591 :group 'gnus-article-highlight
592 :group 'gnus-article-signature)
594 (defface gnus-header-from-face
597 (:foreground "spring green"))
600 (:foreground "red3"))
603 "Face used for displaying from headers."
604 :group 'gnus-article-headers
605 :group 'gnus-article-highlight)
607 (defface gnus-header-subject-face
610 (:foreground "SeaGreen3"))
613 (:foreground "red4"))
615 (:bold t :italic t)))
616 "Face used for displaying subject headers."
617 :group 'gnus-article-headers
618 :group 'gnus-article-highlight)
620 (defface gnus-header-newsgroups-face
623 (:foreground "yellow" :italic t))
626 (:foreground "MidnightBlue" :italic t))
629 "Face used for displaying newsgroups headers."
630 :group 'gnus-article-headers
631 :group 'gnus-article-highlight)
633 (defface gnus-header-name-face
636 (:foreground "SeaGreen"))
639 (:foreground "maroon"))
642 "Face used for displaying header names."
643 :group 'gnus-article-headers
644 :group 'gnus-article-highlight)
646 (defface gnus-header-content-face
649 (:foreground "forest green" :italic t))
652 (:foreground "indianred4" :italic t))
654 (:italic t))) "Face used for displaying header content."
655 :group 'gnus-article-headers
656 :group 'gnus-article-highlight)
658 (defcustom gnus-header-face-alist
659 '(("From" nil gnus-header-from-face)
660 ("Subject" nil gnus-header-subject-face)
661 ("Newsgroups:.*," nil gnus-header-newsgroups-face)
662 ("" gnus-header-name-face gnus-header-content-face))
663 "*Controls highlighting of article header.
665 An alist of the form (HEADER NAME CONTENT).
667 HEADER is a regular expression which should match the name of an
668 header header and NAME and CONTENT are either face names or nil.
670 The name of each header field will be displayed using the face
671 specified by the first element in the list where HEADER match the
672 header name and NAME is non-nil. Similarly, the content will be
673 displayed by the first non-nil matching CONTENT face."
674 :group 'gnus-article-headers
675 :group 'gnus-article-highlight
676 :type '(repeat (list (regexp :tag "Header")
678 (item :tag "skip" nil)
679 (face :value default))
680 (choice :tag "Content"
681 (item :tag "skip" nil)
682 (face :value default)))))
684 (defcustom gnus-article-decode-hook
685 '(article-decode-charset article-decode-encoded-words
686 article-decode-group-name article-decode-idna-rhs)
687 "*Hook run to decode charsets in articles."
688 :group 'gnus-article-headers
691 (defcustom gnus-display-mime-function 'gnus-display-mime
692 "Function to display MIME articles."
693 :group 'gnus-article-mime
696 (defvar gnus-decode-header-function 'mail-decode-encoded-word-region
697 "Function used to decode headers.")
699 (defvar gnus-article-dumbquotes-map
719 "Table for MS-to-Latin1 translation.")
721 (defcustom gnus-ignored-mime-types nil
722 "List of MIME types that should be ignored by Gnus."
724 :group 'gnus-article-mime
725 :type '(repeat regexp))
727 (defcustom gnus-unbuttonized-mime-types '(".*/.*")
728 "List of MIME types that should not be given buttons when rendered inline.
729 See also `gnus-buttonized-mime-types' which may override this variable.
730 This variable is only used when `gnus-inhibit-mime-unbuttonizing' is nil."
732 :group 'gnus-article-mime
733 :type '(repeat regexp))
735 (defcustom gnus-buttonized-mime-types nil
736 "List of MIME types that should be given buttons when rendered inline.
737 If set, this variable overrides `gnus-unbuttonized-mime-types'.
738 To see e.g. security buttons you could set this to
739 `(\"multipart/signed\")'.
740 This variable is only used when `gnus-inhibit-mime-unbuttonizing' is nil."
742 :group 'gnus-article-mime
743 :type '(repeat regexp))
745 (defcustom gnus-inhibit-mime-unbuttonizing nil
746 "If non-nil, all MIME parts get buttons.
747 When nil (the default value), then some MIME parts do not get buttons,
748 as described by the variables `gnus-buttonized-mime-types' and
749 `gnus-unbuttonized-mime-types'."
753 (defcustom gnus-body-boundary-delimiter "_"
754 "String used to delimit header and body.
755 This variable is used by `gnus-article-treat-body-boundary' which can
756 be controlled by `gnus-treat-body-boundary'."
757 :group 'gnus-article-various
758 :type '(choice (item :tag "None" :value nil)
761 (defcustom gnus-picon-databases '("/usr/lib/picon" "/usr/local/faces")
762 "Defines the location of the faces database.
763 For information on obtaining this database of pretty pictures, please
764 see http://www.cs.indiana.edu/picons/ftp/index.html"
765 :type '(repeat directory)
766 :link '(url-link :tag "download"
767 "http://www.cs.indiana.edu/picons/ftp/index.html")
768 :link '(custom-manual "(gnus)Picons")
771 (defun gnus-picons-installed-p ()
772 "Say whether picons are installed on your machine."
773 (let ((installed nil))
774 (dolist (database gnus-picon-databases)
775 (when (file-exists-p database)
779 (defcustom gnus-article-mime-part-function nil
780 "Function called with a MIME handle as the argument.
781 This is meant for people who want to do something automatic based
782 on parts -- for instance, adding Vcard info to a database."
783 :group 'gnus-article-mime
786 (defcustom gnus-mime-multipart-functions nil
787 "An alist of MIME types to functions to display them."
789 :group 'gnus-article-mime
792 (defcustom gnus-article-date-lapsed-new-header nil
793 "Whether the X-Sent and Date headers can coexist.
794 When using `gnus-treat-date-lapsed', the \"X-Sent:\" header will
795 either replace the old \"Date:\" header (if this variable is nil), or
796 be added below it (otherwise)."
798 :group 'gnus-article-headers
801 (defcustom gnus-article-mime-match-handle-function 'undisplayed-alternative
802 "Function called with a MIME handle as the argument.
803 This is meant for people who want to view first matched part.
804 For `undisplayed-alternative' (default), the first undisplayed
805 part or alternative part is used. For `undisplayed', the first
806 undisplayed part is used. For a function, the first part which
807 the function return t is used. For nil, the first part is
810 :group 'gnus-article-mime
812 (item :tag "first" :value nil)
813 (item :tag "undisplayed" :value undisplayed)
814 (item :tag "undisplayed or alternative"
815 :value undisplayed-alternative)
818 (defcustom gnus-mime-action-alist
819 '(("save to file" . gnus-mime-save-part)
820 ("save and strip" . gnus-mime-save-part-and-strip)
821 ("delete part" . gnus-mime-delete-part)
822 ("display as text" . gnus-mime-inline-part)
823 ("view the part" . gnus-mime-view-part)
824 ("pipe to command" . gnus-mime-pipe-part)
825 ("toggle display" . gnus-article-press-button)
826 ("toggle display" . gnus-article-view-part-as-charset)
827 ("view as type" . gnus-mime-view-part-as-type)
828 ("view internally" . gnus-mime-view-part-internally)
829 ("view externally" . gnus-mime-view-part-externally))
830 "An alist of actions that run on the MIME attachment."
831 :group 'gnus-article-mime
832 :type '(repeat (cons (string :tag "name")
836 ;;; The treatment variables
839 (defvar gnus-part-display-hook nil
840 "Hook called on parts that are to receive treatment.")
842 (defvar gnus-article-treat-custom
843 '(choice (const :tag "Off" nil)
845 (const :tag "Header" head)
846 (const :tag "Last" last)
847 (integer :tag "Less")
848 (repeat :tag "Groups" regexp)
849 (sexp :tag "Predicate")))
851 (defvar gnus-article-treat-head-custom
852 '(choice (const :tag "Off" nil)
853 (const :tag "Header" head)))
855 (defvar gnus-article-treat-types '("text/plain")
858 (defvar gnus-inhibit-treatment nil
859 "Whether to inhibit treatment.")
861 (defcustom gnus-treat-highlight-signature '(or t (typep "text/x-vcard"))
862 "Highlight the signature.
863 Valid values are nil, t, `head', `last', an integer or a predicate.
864 See Info node `(gnus)Customizing Articles'."
865 :group 'gnus-article-treat
866 :link '(custom-manual "(gnus)Customizing Articles")
867 :type gnus-article-treat-custom)
868 (put 'gnus-treat-highlight-signature 'highlight t)
870 (defcustom gnus-treat-buttonize 100000
872 Valid values are nil, t, `head', `last', an integer or a predicate.
873 See Info node `(gnus)Customizing Articles'."
874 :group 'gnus-article-treat
875 :link '(custom-manual "(gnus)Customizing Articles")
876 :type gnus-article-treat-custom)
877 (put 'gnus-treat-buttonize 'highlight t)
879 (defcustom gnus-treat-buttonize-head 'head
880 "Add buttons to the head.
881 Valid values are nil, t, `head', `last', an integer or a predicate.
882 See Info node `(gnus)Customizing Articles' for details."
883 :group 'gnus-article-treat
884 :link '(custom-manual "(gnus)Customizing Articles")
885 :type gnus-article-treat-head-custom)
886 (put 'gnus-treat-buttonize-head 'highlight t)
888 (defcustom gnus-treat-emphasize
889 (and (or window-system
891 (>= (string-to-number emacs-version) 21))
894 Valid values are nil, t, `head', `last', an integer or a predicate.
895 See Info node `(gnus)Customizing Articles' for details."
896 :group 'gnus-article-treat
897 :link '(custom-manual "(gnus)Customizing Articles")
898 :type gnus-article-treat-custom)
899 (put 'gnus-treat-emphasize 'highlight t)
901 (defcustom gnus-treat-strip-cr nil
902 "Remove carriage returns.
903 Valid values are nil, t, `head', `last', an integer or a predicate.
904 See Info node `(gnus)Customizing Articles' for details."
905 :group 'gnus-article-treat
906 :link '(custom-manual "(gnus)Customizing Articles")
907 :type gnus-article-treat-custom)
909 (defcustom gnus-treat-unsplit-urls nil
910 "Remove newlines from within URLs.
911 Valid values are nil, t, `head', `last', an integer or a predicate.
912 See Info node `(gnus)Customizing Articles' for details."
913 :group 'gnus-article-treat
914 :link '(custom-manual "(gnus)Customizing Articles")
915 :type gnus-article-treat-custom)
917 (defcustom gnus-treat-leading-whitespace nil
918 "Remove leading whitespace in headers.
919 Valid values are nil, t, `head', `last', an integer or a predicate.
920 See Info node `(gnus)Customizing Articles' for details."
921 :group 'gnus-article-treat
922 :link '(custom-manual "(gnus)Customizing Articles")
923 :type gnus-article-treat-custom)
925 (defcustom gnus-treat-hide-headers 'head
927 Valid values are nil, t, `head', `last', an integer or a predicate.
928 See Info node `(gnus)Customizing Articles' for details."
929 :group 'gnus-article-treat
930 :link '(custom-manual "(gnus)Customizing Articles")
931 :type gnus-article-treat-head-custom)
933 (defcustom gnus-treat-hide-boring-headers nil
934 "Hide boring headers.
935 Valid values are nil, t, `head', `last', an integer or a predicate.
936 See Info node `(gnus)Customizing Articles' for details."
937 :group 'gnus-article-treat
938 :link '(custom-manual "(gnus)Customizing Articles")
939 :type gnus-article-treat-head-custom)
941 (defcustom gnus-treat-hide-signature nil
943 Valid values are nil, t, `head', `last', an integer or a predicate.
944 See Info node `(gnus)Customizing Articles' for details."
945 :group 'gnus-article-treat
946 :link '(custom-manual "(gnus)Customizing Articles")
947 :type gnus-article-treat-custom)
949 (defcustom gnus-treat-fill-article nil
951 Valid values are nil, t, `head', `last', an integer or a predicate.
952 See Info node `(gnus)Customizing Articles' for details."
953 :group 'gnus-article-treat
954 :link '(custom-manual "(gnus)Customizing Articles")
955 :type gnus-article-treat-custom)
957 (defcustom gnus-treat-hide-citation nil
959 Valid values are nil, t, `head', `last', an integer or a predicate.
960 See Info node `(gnus)Customizing Articles' for details."
961 :group 'gnus-article-treat
962 :link '(custom-manual "(gnus)Customizing Articles")
963 :type gnus-article-treat-custom)
965 (defcustom gnus-treat-hide-citation-maybe nil
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 :link '(custom-manual "(gnus)Customizing Articles")
971 :type gnus-article-treat-custom)
973 (defcustom gnus-treat-strip-list-identifiers 'head
974 "Strip list identifiers from `gnus-list-identifiers`.
975 Valid values are nil, t, `head', `last', an integer or a predicate.
976 See Info node `(gnus)Customizing Articles' for details."
978 :group 'gnus-article-treat
979 :link '(custom-manual "(gnus)Customizing Articles")
980 :type gnus-article-treat-custom)
982 (make-obsolete-variable 'gnus-treat-strip-pgp
983 "This option is obsolete in Gnus 5.10.")
985 (defcustom gnus-treat-strip-pem nil
986 "Strip PEM signatures.
987 Valid values are nil, t, `head', `last', an integer or a predicate.
988 See Info node `(gnus)Customizing Articles' for details."
989 :group 'gnus-article-treat
990 :link '(custom-manual "(gnus)Customizing Articles")
991 :type gnus-article-treat-custom)
993 (defcustom gnus-treat-strip-banner t
994 "Strip banners from articles.
995 The banner to be stripped is specified in the `banner' group parameter.
996 Valid values are nil, t, `head', `last', an integer or a predicate.
997 See Info node `(gnus)Customizing Articles' for details."
998 :group 'gnus-article-treat
999 :link '(custom-manual "(gnus)Customizing Articles")
1000 :type gnus-article-treat-custom)
1002 (defcustom gnus-treat-highlight-headers 'head
1003 "Highlight the headers.
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 :link '(custom-manual "(gnus)Customizing Articles")
1008 :type gnus-article-treat-head-custom)
1009 (put 'gnus-treat-highlight-headers 'highlight t)
1011 (defcustom gnus-treat-highlight-citation t
1012 "Highlight cited text.
1013 Valid values are nil, t, `head', `last', an integer or a predicate.
1014 See Info node `(gnus)Customizing Articles' for details."
1015 :group 'gnus-article-treat
1016 :link '(custom-manual "(gnus)Customizing Articles")
1017 :type gnus-article-treat-custom)
1018 (put 'gnus-treat-highlight-citation 'highlight t)
1020 (defcustom gnus-treat-date-ut nil
1021 "Display the Date in UT (GMT).
1022 Valid values are nil, t, `head', `last', an integer or a predicate.
1023 See Info node `(gnus)Customizing Articles' for details."
1024 :group 'gnus-article-treat
1025 :link '(custom-manual "(gnus)Customizing Articles")
1026 :type gnus-article-treat-head-custom)
1028 (defcustom gnus-treat-date-local nil
1029 "Display the Date in the local timezone.
1030 Valid values are nil, t, `head', `last', an integer or a predicate.
1031 See Info node `(gnus)Customizing Articles' for details."
1032 :group 'gnus-article-treat
1033 :link '(custom-manual "(gnus)Customizing Articles")
1034 :type gnus-article-treat-head-custom)
1036 (defcustom gnus-treat-date-english nil
1037 "Display the Date in a format that can be read aloud in English.
1038 Valid values are nil, t, `head', `last', an integer or a predicate.
1039 See Info node `(gnus)Customizing Articles' for details."
1040 :group 'gnus-article-treat
1041 :link '(custom-manual "(gnus)Customizing Articles")
1042 :type gnus-article-treat-head-custom)
1044 (defcustom gnus-treat-date-lapsed nil
1045 "Display the Date header in a way that says how much time has elapsed.
1046 Valid values are nil, t, `head', `last', an integer or a predicate.
1047 See Info node `(gnus)Customizing Articles' for details."
1048 :group 'gnus-article-treat
1049 :link '(custom-manual "(gnus)Customizing Articles")
1050 :type gnus-article-treat-head-custom)
1052 (defcustom gnus-treat-date-original nil
1053 "Display the date in the original timezone.
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 :link '(custom-manual "(gnus)Customizing Articles")
1058 :type gnus-article-treat-head-custom)
1060 (defcustom gnus-treat-date-iso8601 nil
1061 "Display the date in the ISO8601 format.
1062 Valid values are nil, t, `head', `last', an integer or a predicate.
1063 See Info node `(gnus)Customizing Articles' for details."
1065 :group 'gnus-article-treat
1066 :link '(custom-manual "(gnus)Customizing Articles")
1067 :type gnus-article-treat-head-custom)
1069 (defcustom gnus-treat-date-user-defined nil
1070 "Display the date in a user-defined format.
1071 The format is defined by the `gnus-article-time-format' variable.
1072 Valid values are nil, t, `head', `last', an integer or a predicate.
1073 See Info node `(gnus)Customizing Articles' for details."
1074 :group 'gnus-article-treat
1075 :link '(custom-manual "(gnus)Customizing Articles")
1076 :type gnus-article-treat-head-custom)
1078 (defcustom gnus-treat-strip-headers-in-body t
1079 "Strip the X-No-Archive header line from the beginning of the body.
1080 Valid values are nil, t, `head', `last', an integer or a predicate.
1081 See Info node `(gnus)Customizing Articles' for details."
1083 :group 'gnus-article-treat
1084 :link '(custom-manual "(gnus)Customizing Articles")
1085 :type gnus-article-treat-custom)
1087 (defcustom gnus-treat-strip-trailing-blank-lines nil
1088 "Strip trailing blank lines.
1089 Valid values are nil, t, `head', `last', an integer or a predicate.
1090 See Info node `(gnus)Customizing Articles' for details."
1091 :group 'gnus-article-treat
1092 :link '(custom-manual "(gnus)Customizing Articles")
1093 :type gnus-article-treat-custom)
1095 (defcustom gnus-treat-strip-leading-blank-lines nil
1096 "Strip leading blank lines.
1097 Valid values are nil, t, `head', `last', an integer or a predicate.
1098 See Info node `(gnus)Customizing Articles' for details."
1099 :group 'gnus-article-treat
1100 :link '(custom-manual "(gnus)Customizing Articles")
1101 :type gnus-article-treat-custom)
1103 (defcustom gnus-treat-strip-multiple-blank-lines nil
1104 "Strip multiple blank lines.
1105 Valid values are nil, t, `head', `last', an integer or a predicate.
1106 See Info node `(gnus)Customizing Articles' for details."
1107 :group 'gnus-article-treat
1108 :link '(custom-manual "(gnus)Customizing Articles")
1109 :type gnus-article-treat-custom)
1111 (defcustom gnus-treat-unfold-headers 'head
1112 "Unfold folded header lines.
1113 Valid values are nil, t, `head', `last', an integer or a predicate.
1114 See Info node `(gnus)Customizing Articles' for details."
1115 :group 'gnus-article-treat
1116 :link '(custom-manual "(gnus)Customizing Articles")
1117 :type gnus-article-treat-custom)
1119 (defcustom gnus-treat-fold-headers nil
1121 Valid values are nil, t, `head', `last', an integer or a predicate.
1122 See Info node `(gnus)Customizing Articles' for details."
1123 :group 'gnus-article-treat
1124 :link '(custom-manual "(gnus)Customizing Articles")
1125 :type gnus-article-treat-custom)
1127 (defcustom gnus-treat-fold-newsgroups 'head
1128 "Fold the Newsgroups and Followup-To headers.
1129 Valid values are nil, t, `head', `last', an integer or a predicate.
1130 See Info node `(gnus)Customizing Articles' for details."
1131 :group 'gnus-article-treat
1132 :link '(custom-manual "(gnus)Customizing Articles")
1133 :type gnus-article-treat-custom)
1135 (defcustom gnus-treat-overstrike t
1136 "Treat overstrike highlighting.
1137 Valid values are nil, t, `head', `last', an integer or a predicate.
1138 See Info node `(gnus)Customizing Articles' for details."
1139 :group 'gnus-article-treat
1140 :link '(custom-manual "(gnus)Customizing Articles")
1141 :type gnus-article-treat-custom)
1142 (put 'gnus-treat-overstrike 'highlight t)
1144 (defcustom gnus-treat-display-xface
1145 (and (not noninteractive)
1146 (or (and (fboundp 'image-type-available-p)
1147 (image-type-available-p 'xbm)
1148 (string-match "^0x" (shell-command-to-string "uncompface")))
1149 (and (featurep 'xemacs)
1152 "Display X-Face headers.
1153 Valid values are nil, t, `head', `last', an integer or a predicate.
1154 See Info node `(gnus)Customizing Articles' and Info node
1155 `(gnus)X-Face' for details."
1156 :group 'gnus-article-treat
1158 :link '(custom-manual "(gnus)Customizing Articles")
1159 :link '(custom-manual "(gnus)X-Face")
1160 :type gnus-article-treat-head-custom)
1161 (put 'gnus-treat-display-xface 'highlight t)
1163 (defcustom gnus-treat-display-face
1164 (and (not noninteractive)
1165 (or (and (fboundp 'image-type-available-p)
1166 (image-type-available-p 'png))
1167 (and (featurep 'xemacs)
1170 "Display Face headers.
1171 Valid values are nil, t, `head', `last', an integer or a predicate.
1172 See Info node `(gnus)Customizing Articles' and Info node
1173 `(gnus)X-Face' for details."
1174 :group 'gnus-article-treat
1176 :link '(custom-manual "(gnus)Customizing Articles")
1177 :link '(custom-manual "(gnus)X-Face")
1178 :type gnus-article-treat-head-custom)
1179 (put 'gnus-treat-display-xface 'highlight t)
1181 (defcustom gnus-treat-display-smileys
1182 (if (or (and (featurep 'xemacs)
1184 (and (fboundp 'image-type-available-p)
1185 (image-type-available-p 'pbm)))
1188 Valid values are nil, t, `head', `last', an integer or a predicate.
1189 See Info node `(gnus)Customizing Articles' and Info node
1190 `(gnus)Smileys' for details."
1191 :group 'gnus-article-treat
1193 :link '(custom-manual "(gnus)Customizing Articles")
1194 :link '(custom-manual "(gnus)Smileys")
1195 :type gnus-article-treat-custom)
1196 (put 'gnus-treat-display-smileys 'highlight t)
1198 (defcustom gnus-treat-from-picon
1199 (if (and (gnus-image-type-available-p 'xpm)
1200 (gnus-picons-installed-p))
1202 "Display picons in the From header.
1203 Valid values are nil, t, `head', `last', an integer or a predicate.
1204 See Info node `(gnus)Customizing Articles' and Info node
1205 `(gnus)Picons' for details."
1206 :group 'gnus-article-treat
1208 :link '(custom-manual "(gnus)Customizing Articles")
1209 :link '(custom-manual "(gnus)Picons")
1210 :type gnus-article-treat-head-custom)
1211 (put 'gnus-treat-from-picon 'highlight t)
1213 (defcustom gnus-treat-mail-picon
1214 (if (and (gnus-image-type-available-p 'xpm)
1215 (gnus-picons-installed-p))
1217 "Display picons in To and Cc headers.
1218 Valid values are nil, t, `head', `last', an integer or a predicate.
1219 See Info node `(gnus)Customizing Articles' and Info node
1220 `(gnus)Picons' for details."
1221 :group 'gnus-article-treat
1223 :link '(custom-manual "(gnus)Customizing Articles")
1224 :link '(custom-manual "(gnus)Picons")
1225 :type gnus-article-treat-head-custom)
1226 (put 'gnus-treat-mail-picon 'highlight t)
1228 (defcustom gnus-treat-newsgroups-picon
1229 (if (and (gnus-image-type-available-p 'xpm)
1230 (gnus-picons-installed-p))
1232 "Display picons in the Newsgroups and Followup-To headers.
1233 Valid values are nil, t, `head', `last', an integer or a predicate.
1234 See Info node `(gnus)Customizing Articles' and Info node
1235 `(gnus)Picons' for details."
1236 :group 'gnus-article-treat
1238 :link '(custom-manual "(gnus)Customizing Articles")
1239 :link '(custom-manual "(gnus)Picons")
1240 :type gnus-article-treat-head-custom)
1241 (put 'gnus-treat-newsgroups-picon 'highlight t)
1243 (defcustom gnus-treat-body-boundary
1244 (if (or gnus-treat-newsgroups-picon
1245 gnus-treat-mail-picon
1246 gnus-treat-from-picon)
1248 "Draw a boundary at the end of the headers.
1249 Valid values are nil, t, `head', `last', an integer or a predicate.
1250 See Info node `(gnus)Customizing Articles' for details."
1252 :group 'gnus-article-treat
1253 :link '(custom-manual "(gnus)Customizing Articles")
1254 :type gnus-article-treat-custom)
1256 (defcustom gnus-treat-capitalize-sentences nil
1257 "Capitalize sentence-starting words.
1258 Valid values are nil, t, `head', `last', an integer or a predicate.
1259 See Info node `(gnus)Customizing Articles' for details."
1261 :group 'gnus-article-treat
1262 :link '(custom-manual "(gnus)Customizing Articles")
1263 :type gnus-article-treat-custom)
1265 (defcustom gnus-treat-wash-html nil
1267 Valid values are nil, t, `head', `last', an integer or a predicate.
1268 See Info node `(gnus)Customizing Articles' for details."
1269 :group 'gnus-article-treat
1270 :link '(custom-manual "(gnus)Customizing Articles")
1271 :type gnus-article-treat-custom)
1273 (defcustom gnus-treat-fill-long-lines nil
1275 Valid values are nil, t, `head', `last', an integer or a predicate.
1276 See Info node `(gnus)Customizing Articles' for details."
1277 :group 'gnus-article-treat
1278 :link '(custom-manual "(gnus)Customizing Articles")
1279 :type gnus-article-treat-custom)
1281 (defcustom gnus-treat-play-sounds nil
1283 Valid values are nil, t, `head', `last', an integer or a predicate.
1284 See Info node `(gnus)Customizing Articles' for details."
1286 :group 'gnus-article-treat
1287 :link '(custom-manual "(gnus)Customizing Articles")
1288 :type gnus-article-treat-custom)
1290 (defcustom gnus-treat-translate nil
1291 "Translate articles from one language to another.
1292 Valid values are nil, t, `head', `last', an integer or a predicate.
1293 See Info node `(gnus)Customizing Articles' for details."
1295 :group 'gnus-article-treat
1296 :link '(custom-manual "(gnus)Customizing Articles")
1297 :type gnus-article-treat-custom)
1299 (defcustom gnus-treat-x-pgp-sig nil
1301 To automatically treat X-PGP-Sig, set it to head.
1302 Valid values are nil, t, `head', `last', an integer or a predicate.
1303 See Info node `(gnus)Customizing Articles' for details."
1304 :group 'gnus-article-treat
1305 :group 'mime-security
1306 :link '(custom-manual "(gnus)Customizing Articles")
1307 :type gnus-article-treat-custom)
1309 (defvar gnus-article-encrypt-protocol-alist
1310 '(("PGP" . mml2015-self-encrypt)))
1312 ;; Set to nil if more than one protocol added to
1313 ;; gnus-article-encrypt-protocol-alist.
1314 (defcustom gnus-article-encrypt-protocol "PGP"
1315 "The protocol used for encrypt articles.
1316 It is a string, such as \"PGP\". If nil, ask user."
1318 :group 'mime-security)
1320 (defvar gnus-article-wash-function nil
1321 "Function used for converting HTML into text.")
1323 (defcustom gnus-use-idna (condition-case nil (require 'idna) (file-error))
1324 "Whether IDNA decoding of headers is used when viewing messages.
1325 This requires GNU Libidn, and by default only enabled if it is found."
1326 :group 'gnus-article-headers
1329 ;;; Internal variables
1331 (defvar gnus-english-month-names
1332 '("January" "February" "March" "April" "May" "June" "July" "August"
1333 "September" "October" "November" "December"))
1335 (defvar article-goto-body-goes-to-point-min-p nil)
1336 (defvar gnus-article-wash-types nil)
1337 (defvar gnus-article-emphasis-alist nil)
1338 (defvar gnus-article-image-alist nil)
1340 (defvar gnus-article-mime-handle-alist-1 nil)
1341 (defvar gnus-treatment-function-alist
1342 '((gnus-treat-x-pgp-sig gnus-article-verify-x-pgp-sig)
1343 (gnus-treat-strip-banner gnus-article-strip-banner)
1344 (gnus-treat-strip-headers-in-body gnus-article-strip-headers-in-body)
1345 (gnus-treat-highlight-signature gnus-article-highlight-signature)
1346 (gnus-treat-buttonize gnus-article-add-buttons)
1347 (gnus-treat-fill-article gnus-article-fill-cited-article)
1348 (gnus-treat-fill-long-lines gnus-article-fill-long-lines)
1349 (gnus-treat-strip-cr gnus-article-remove-cr)
1350 (gnus-treat-unsplit-urls gnus-article-unsplit-urls)
1351 (gnus-treat-date-ut gnus-article-date-ut)
1352 (gnus-treat-date-local gnus-article-date-local)
1353 (gnus-treat-date-english gnus-article-date-english)
1354 (gnus-treat-date-lapsed gnus-article-date-lapsed)
1355 (gnus-treat-date-original gnus-article-date-original)
1356 (gnus-treat-date-user-defined gnus-article-date-user)
1357 (gnus-treat-date-iso8601 gnus-article-date-iso8601)
1358 (gnus-treat-display-xface gnus-article-display-x-face)
1359 (gnus-treat-display-face gnus-article-display-face)
1360 (gnus-treat-hide-headers gnus-article-maybe-hide-headers)
1361 (gnus-treat-hide-boring-headers gnus-article-hide-boring-headers)
1362 (gnus-treat-hide-signature gnus-article-hide-signature)
1363 (gnus-treat-strip-list-identifiers gnus-article-hide-list-identifiers)
1364 (gnus-treat-leading-whitespace gnus-article-remove-leading-whitespace)
1365 (gnus-treat-strip-pem gnus-article-hide-pem)
1366 (gnus-treat-from-picon gnus-treat-from-picon)
1367 (gnus-treat-mail-picon gnus-treat-mail-picon)
1368 (gnus-treat-newsgroups-picon gnus-treat-newsgroups-picon)
1369 (gnus-treat-highlight-headers gnus-article-highlight-headers)
1370 (gnus-treat-highlight-signature gnus-article-highlight-signature)
1371 (gnus-treat-strip-trailing-blank-lines
1372 gnus-article-remove-trailing-blank-lines)
1373 (gnus-treat-strip-leading-blank-lines
1374 gnus-article-strip-leading-blank-lines)
1375 (gnus-treat-strip-multiple-blank-lines
1376 gnus-article-strip-multiple-blank-lines)
1377 (gnus-treat-overstrike gnus-article-treat-overstrike)
1378 (gnus-treat-unfold-headers gnus-article-treat-unfold-headers)
1379 (gnus-treat-fold-headers gnus-article-treat-fold-headers)
1380 (gnus-treat-fold-newsgroups gnus-article-treat-fold-newsgroups)
1381 (gnus-treat-buttonize-head gnus-article-add-buttons-to-head)
1382 (gnus-treat-display-smileys gnus-treat-smiley)
1383 (gnus-treat-capitalize-sentences gnus-article-capitalize-sentences)
1384 (gnus-treat-wash-html gnus-article-wash-html)
1385 (gnus-treat-emphasize gnus-article-emphasize)
1386 (gnus-treat-hide-citation gnus-article-hide-citation)
1387 (gnus-treat-hide-citation-maybe gnus-article-hide-citation-maybe)
1388 (gnus-treat-highlight-citation gnus-article-highlight-citation)
1389 (gnus-treat-body-boundary gnus-article-treat-body-boundary)
1390 (gnus-treat-play-sounds gnus-earcon-display)))
1392 (defvar gnus-article-mime-handle-alist nil)
1393 (defvar article-lapsed-timer nil)
1394 (defvar gnus-article-current-summary nil)
1396 (defvar gnus-article-mode-syntax-table
1397 (let ((table (copy-syntax-table text-mode-syntax-table)))
1398 ;; This causes the citation match run O(2^n).
1399 ;; (modify-syntax-entry ?- "w" table)
1400 (modify-syntax-entry ?> ")<" table)
1401 (modify-syntax-entry ?< "(>" table)
1402 ;; make M-. in article buffers work for `foo' strings
1403 (modify-syntax-entry ?' " " table)
1404 (modify-syntax-entry ?` " " table)
1406 "Syntax table used in article mode buffers.
1407 Initialized from `text-mode-syntax-table.")
1409 (defvar gnus-save-article-buffer nil)
1411 (defvar gnus-article-mode-line-format-alist
1412 (nconc '((?w (gnus-article-wash-status) ?s)
1413 (?m (gnus-article-mime-part-status) ?s))
1414 gnus-summary-mode-line-format-alist))
1416 (defvar gnus-number-of-articles-to-be-saved nil)
1418 (defvar gnus-inhibit-hiding nil)
1420 ;;; Macros for dealing with the article buffer.
1422 (defmacro gnus-with-article-headers (&rest forms)
1424 (set-buffer gnus-article-buffer)
1426 (let ((buffer-read-only nil)
1427 (inhibit-point-motion-hooks t)
1428 (case-fold-search t))
1429 (article-narrow-to-head)
1432 (put 'gnus-with-article-headers 'lisp-indent-function 0)
1433 (put 'gnus-with-article-headers 'edebug-form-spec '(body))
1435 (defmacro gnus-with-article-buffer (&rest forms)
1437 (set-buffer gnus-article-buffer)
1438 (let ((buffer-read-only nil))
1441 (put 'gnus-with-article-buffer 'lisp-indent-function 0)
1442 (put 'gnus-with-article-buffer 'edebug-form-spec '(body))
1444 (defun gnus-article-goto-header (header)
1445 "Go to HEADER, which is a regular expression."
1446 (re-search-forward (concat "^\\(" header "\\):") nil t))
1448 (defsubst gnus-article-hide-text (b e props)
1449 "Set text PROPS on the B to E region, extending `intangible' 1 past B."
1450 (gnus-add-text-properties-when 'article-type nil b e props)
1451 (when (memq 'intangible props)
1453 (max (1- b) (point-min))
1454 b 'intangible (cddr (memq 'intangible props)))))
1456 (defsubst gnus-article-unhide-text (b e)
1457 "Remove hidden text properties from region between B and E."
1458 (remove-text-properties b e gnus-hidden-properties)
1459 (when (memq 'intangible gnus-hidden-properties)
1460 (put-text-property (max (1- b) (point-min))
1461 b 'intangible nil)))
1463 (defun gnus-article-hide-text-type (b e type)
1464 "Hide text of TYPE between B and E."
1465 (gnus-add-wash-type type)
1466 (gnus-article-hide-text
1467 b e (cons 'article-type (cons type gnus-hidden-properties))))
1469 (defun gnus-article-unhide-text-type (b e type)
1470 "Unhide text of TYPE between B and E."
1471 (gnus-delete-wash-type type)
1472 (remove-text-properties
1473 b e (cons 'article-type (cons type gnus-hidden-properties)))
1474 (when (memq 'intangible gnus-hidden-properties)
1475 (put-text-property (max (1- b) (point-min))
1476 b 'intangible nil)))
1478 (defun gnus-article-hide-text-of-type (type)
1479 "Hide text of TYPE in the current buffer."
1481 (let ((b (point-min))
1483 (while (setq b (text-property-any b e 'article-type type))
1484 (add-text-properties b (incf b) gnus-hidden-properties)))))
1486 (defun gnus-article-delete-text-of-type (type)
1487 "Delete text of TYPE in the current buffer."
1489 (let ((b (point-min)))
1490 (while (setq b (text-property-any b (point-max) 'article-type type))
1492 b (or (text-property-not-all b (point-max) 'article-type type)
1495 (defun gnus-article-delete-invisible-text ()
1496 "Delete all invisible text in the current buffer."
1498 (let ((b (point-min)))
1499 (while (setq b (text-property-any b (point-max) 'invisible t))
1501 b (or (text-property-not-all b (point-max) 'invisible t)
1504 (defun gnus-article-text-type-exists-p (type)
1505 "Say whether any text of type TYPE exists in the buffer."
1506 (text-property-any (point-min) (point-max) 'article-type type))
1508 (defsubst gnus-article-header-rank ()
1509 "Give the rank of the string HEADER as given by `gnus-sorted-header-list'."
1510 (let ((list gnus-sorted-header-list)
1513 (if (looking-at (car list))
1515 (setq list (cdr list))
1519 (defun article-hide-headers (&optional arg delete)
1520 "Hide unwanted headers and possibly sort them as well."
1522 ;; This function might be inhibited.
1523 (unless gnus-inhibit-hiding
1526 (let ((buffer-read-only nil)
1527 (case-fold-search t)
1528 (max (1+ (length gnus-sorted-header-list)))
1529 (ignored (when (not gnus-visible-headers)
1530 (cond ((stringp gnus-ignored-headers)
1531 gnus-ignored-headers)
1532 ((listp gnus-ignored-headers)
1533 (mapconcat 'identity gnus-ignored-headers
1536 (cond ((stringp gnus-visible-headers)
1537 gnus-visible-headers)
1538 ((and gnus-visible-headers
1539 (listp gnus-visible-headers))
1540 (mapconcat 'identity gnus-visible-headers "\\|"))))
1541 (inhibit-point-motion-hooks t)
1543 ;; First we narrow to just the headers.
1544 (article-narrow-to-head)
1545 ;; Hide any "From " lines at the beginning of (mail) articles.
1546 (while (looking-at "From ")
1549 (delete-region (point-min) (point)))
1550 ;; Then treat the rest of the header lines.
1551 ;; Then we use the two regular expressions
1552 ;; `gnus-ignored-headers' and `gnus-visible-headers' to
1553 ;; select which header lines is to remain visible in the
1555 (while (re-search-forward "^[^ \t:]*:" nil t)
1557 ;; Mark the rank of the header.
1559 (point) (1+ (point)) 'message-rank
1560 (if (or (and visible (looking-at visible))
1562 (not (looking-at ignored))))
1563 (gnus-article-header-rank)
1566 (message-sort-headers-1)
1567 (when (setq beg (text-property-any
1568 (point-min) (point-max) 'message-rank (+ 2 max)))
1569 ;; We delete the unwanted headers.
1570 (gnus-add-wash-type 'headers)
1571 (add-text-properties (point-min) (+ 5 (point-min))
1572 '(article-type headers dummy-invisible t))
1573 (delete-region beg (point-max))))))))
1575 (defun article-hide-boring-headers (&optional arg)
1576 "Toggle hiding of headers that aren't very interesting.
1577 If given a negative prefix, always show; if given a positive prefix,
1579 (interactive (gnus-article-hidden-arg))
1580 (when (and (not (gnus-article-check-hidden-text 'boring-headers arg))
1581 (not gnus-show-all-headers))
1584 (let ((buffer-read-only nil)
1585 (list gnus-boring-article-headers)
1586 (inhibit-point-motion-hooks t)
1588 (article-narrow-to-head)
1590 (setq elem (pop list))
1591 (goto-char (point-min))
1593 ;; Hide empty headers.
1595 (while (re-search-forward "^[^: \t]+:[ \t]*\n[^ \t]" nil t)
1597 (gnus-article-hide-text-type
1601 (if (re-search-forward "^[^ \t]" nil t)
1605 ;; Hide boring Newsgroups header.
1606 ((eq elem 'newsgroups)
1607 (when (gnus-string-equal
1608 (gnus-fetch-field "newsgroups")
1609 (gnus-group-real-name
1610 (if (boundp 'gnus-newsgroup-name)
1613 (gnus-article-hide-header "newsgroups")))
1614 ((eq elem 'to-address)
1615 (let ((to (message-fetch-field "to"))
1617 (gnus-parameter-to-address
1618 (if (boundp 'gnus-newsgroup-name)
1619 gnus-newsgroup-name ""))))
1620 (when (and to to-address
1623 ;; only one address in To
1624 (nth 1 (mail-extract-address-components to))
1626 (gnus-article-hide-header "to"))))
1628 (let ((to (message-fetch-field "to"))
1630 (gnus-parameter-to-list
1631 (if (boundp 'gnus-newsgroup-name)
1632 gnus-newsgroup-name ""))))
1633 (when (and to to-list
1636 ;; only one address in To
1637 (nth 1 (mail-extract-address-components to))
1639 (gnus-article-hide-header "to"))))
1641 (let ((cc (message-fetch-field "cc"))
1643 (gnus-parameter-to-list
1644 (if (boundp 'gnus-newsgroup-name)
1645 gnus-newsgroup-name ""))))
1646 (when (and cc to-list
1649 ;; only one address in CC
1650 (nth 1 (mail-extract-address-components cc))
1652 (gnus-article-hide-header "cc"))))
1653 ((eq elem 'followup-to)
1654 (when (gnus-string-equal
1655 (message-fetch-field "followup-to")
1656 (message-fetch-field "newsgroups"))
1657 (gnus-article-hide-header "followup-to")))
1658 ((eq elem 'reply-to)
1659 (let ((from (message-fetch-field "from"))
1660 (reply-to (message-fetch-field "reply-to")))
1665 (nth 1 (mail-extract-address-components from))
1666 (nth 1 (mail-extract-address-components reply-to)))))
1667 (gnus-article-hide-header "reply-to"))))
1669 (let ((date (message-fetch-field "date")))
1671 (< (days-between (current-time-string) date)
1673 (gnus-article-hide-header "date"))))
1675 (let ((to (message-fetch-field "to"))
1676 (cc (message-fetch-field "cc")))
1677 (when (> (length to) 1024)
1678 (gnus-article-hide-header "to"))
1679 (when (> (length cc) 1024)
1680 (gnus-article-hide-header "cc"))))
1684 (goto-char (point-min))
1685 (while (re-search-forward "^to:" nil t)
1686 (setq to-count (1+ to-count)))
1687 (when (> to-count 1)
1688 (while (> to-count 0)
1689 (goto-char (point-min))
1691 (re-search-forward "^to:" nil nil to-count)
1693 (narrow-to-region (point) (point-max))
1694 (gnus-article-hide-header "to"))
1695 (setq to-count (1- to-count))))
1696 (goto-char (point-min))
1697 (while (re-search-forward "^cc:" nil t)
1698 (setq cc-count (1+ cc-count)))
1699 (when (> cc-count 1)
1700 (while (> cc-count 0)
1701 (goto-char (point-min))
1703 (re-search-forward "^cc:" nil nil cc-count)
1705 (narrow-to-region (point) (point-max))
1706 (gnus-article-hide-header "cc"))
1707 (setq cc-count (1- cc-count)))))))))))))
1709 (defun gnus-article-hide-header (header)
1711 (goto-char (point-min))
1712 (when (re-search-forward (concat "^" header ":") nil t)
1713 (gnus-article-hide-text-type
1717 (if (re-search-forward "^[^ \t]" nil t)
1722 (defvar gnus-article-normalized-header-length 40
1723 "Length of normalized headers.")
1725 (defun article-normalize-headers ()
1726 "Make all header lines 40 characters long."
1728 (let ((buffer-read-only nil)
1732 (article-narrow-to-head)
1735 ((< (setq column (- (gnus-point-at-eol) (point)))
1736 gnus-article-normalized-header-length)
1738 (insert (make-string
1739 (- gnus-article-normalized-header-length column)
1741 ((> column gnus-article-normalized-header-length)
1742 (gnus-put-text-property
1744 (forward-char gnus-article-normalized-header-length)
1751 (forward-line 1))))))
1753 (defun article-treat-dumbquotes ()
1754 "Translate M****s*** sm*rtq**t*s into proper text.
1755 Note that this function guesses whether a character is a sm*rtq**t* or
1756 not, so it should only be used interactively.
1758 Sm*rtq**t*s are M****s***'s unilateral extension to the character map
1759 in an attempt to provide more quoting characters. If you see
1760 something like \\222 or \\264 where you're expecting some kind of
1761 apostrophe or quotation mark, then try this wash."
1763 (article-translate-strings gnus-article-dumbquotes-map))
1765 (defun article-translate-characters (from to)
1766 "Translate all characters in the body of the article according to FROM and TO.
1767 FROM is a string of characters to translate from; to is a string of
1768 characters to translate to."
1770 (when (article-goto-body)
1771 (let ((buffer-read-only nil)
1772 (x (make-string 225 ?x))
1774 (while (< (incf i) (length x))
1777 (while (< i (length from))
1778 (aset x (aref from i) (aref to i))
1780 (translate-region (point) (point-max) x)))))
1782 (defun article-translate-strings (map)
1783 "Translate all string in the body of the article according to MAP.
1784 MAP is an alist where the elements are on the form (\"from\" \"to\")."
1786 (when (article-goto-body)
1787 (let ((buffer-read-only nil)
1789 (while (setq elem (pop map))
1791 (while (search-forward (car elem) nil t)
1792 (replace-match (cadr elem)))))))))
1794 (defun article-treat-overstrike ()
1795 "Translate overstrikes into bold text."
1798 (when (article-goto-body)
1799 (let ((buffer-read-only nil))
1800 (while (search-forward "\b" nil t)
1801 (let ((next (char-after))
1802 (previous (char-after (- (point) 2))))
1803 ;; We do the boldification/underlining by hiding the
1804 ;; overstrikes and putting the proper text property
1808 (gnus-article-hide-text-type (- (point) 2) (point) 'overstrike)
1809 (put-text-property (point) (1+ (point)) 'face 'bold))
1811 (gnus-article-hide-text-type
1812 (1- (point)) (1+ (point)) 'overstrike)
1814 (- (point) 2) (1- (point)) 'face 'underline))
1816 (gnus-article-hide-text-type (- (point) 2) (point) 'overstrike)
1818 (point) (1+ (point)) 'face 'underline)))))))))
1820 (defun gnus-article-treat-unfold-headers ()
1821 "Unfold folded message headers.
1822 Only the headers that fit into the current window width will be
1825 (gnus-with-article-headers
1829 (mail-header-narrow-to-field)
1830 (let ((header (buffer-string)))
1833 (goto-char (point-min))
1834 (while (re-search-forward "\n[\t ]" nil t)
1835 (replace-match " " t t)))
1836 (setq length (- (point-max) (point-min) 1)))
1837 (when (< length (window-width))
1838 (while (re-search-forward "\n[\t ]" nil t)
1839 (replace-match " " t t)))
1840 (goto-char (point-max)))))))
1842 (defun gnus-article-treat-fold-headers ()
1843 "Fold message headers."
1845 (gnus-with-article-headers
1848 (mail-header-narrow-to-field)
1849 (mail-header-fold-field)
1850 (goto-char (point-max))))))
1852 (defun gnus-treat-smiley ()
1853 "Toggle display of textual emoticons (\"smileys\") as small graphical icons."
1855 (gnus-with-article-buffer
1856 (if (memq 'smiley gnus-article-wash-types)
1857 (gnus-delete-images 'smiley)
1859 (let ((images (smiley-region (point) (point-max))))
1861 (gnus-add-wash-type 'smiley)
1862 (dolist (image images)
1863 (gnus-add-image 'smiley image)))))))
1865 (defun gnus-article-remove-images ()
1866 "Remove all images from the article buffer."
1868 (gnus-with-article-buffer
1869 (dolist (elem gnus-article-image-alist)
1870 (gnus-delete-images (car elem)))))
1872 (defun gnus-article-treat-fold-newsgroups ()
1873 "Unfold folded message headers.
1874 Only the headers that fit into the current window width will be
1877 (gnus-with-article-headers
1878 (while (gnus-article-goto-header "newsgroups\\|followup-to")
1880 (mail-header-narrow-to-field)
1881 (while (re-search-forward ", *" nil t)
1882 (replace-match ", " t t))
1883 (mail-header-fold-field)
1884 (goto-char (point-max))))))
1886 (defun gnus-article-treat-body-boundary ()
1887 "Place a boundary line at the end of the headers."
1889 (when (and gnus-body-boundary-delimiter
1890 (> (length gnus-body-boundary-delimiter) 0))
1891 (gnus-with-article-headers
1892 (goto-char (point-max))
1893 (let ((start (point)))
1894 (insert "X-Boundary: ")
1895 (gnus-add-text-properties start (point) '(invisible t intangible t))
1897 (while (>= (1- (window-width)) (length str))
1898 (setq str (concat str gnus-body-boundary-delimiter)))
1899 (substring str 0 (1- (window-width))))
1901 (gnus-put-text-property start (point) 'gnus-decoration 'header)))))
1903 (defun article-fill-long-lines ()
1904 "Fill lines that are wider than the window width."
1907 (let ((buffer-read-only nil)
1908 (width (window-width (get-buffer-window (current-buffer)))))
1911 (let ((adaptive-fill-mode nil)) ;Why? -sm
1914 (when (>= (current-column) (min fill-column width))
1915 (narrow-to-region (min (1+ (point)) (point-max)) (gnus-point-at-bol))
1916 (let ((goback (point-marker)))
1917 (fill-paragraph nil)
1918 (goto-char (marker-position goback)))
1920 (forward-line 1)))))))
1922 (defun article-capitalize-sentences ()
1923 "Capitalize the first word in each sentence."
1926 (let ((buffer-read-only nil)
1927 (paragraph-start "^[\n\^L]"))
1931 (forward-sentence)))))
1933 (defun article-remove-cr ()
1934 "Remove trailing CRs and then translate remaining CRs into LFs."
1937 (let ((buffer-read-only nil))
1938 (goto-char (point-min))
1939 (while (re-search-forward "\r+$" nil t)
1940 (replace-match "" t t))
1941 (goto-char (point-min))
1942 (while (search-forward "\r" nil t)
1943 (replace-match "\n" t t)))))
1945 (defun article-remove-trailing-blank-lines ()
1946 "Remove all trailing blank lines from the article."
1949 (let ((buffer-read-only nil))
1950 (goto-char (point-max))
1954 (while (and (not (bobp))
1955 (looking-at "^[ \t]*$")
1956 (not (gnus-annotation-in-region-p
1957 (point) (gnus-point-at-eol))))
1962 (defun article-display-face ()
1963 "Display any Face headers in the header."
1965 (gnus-with-article-headers
1966 (let ((face (message-fetch-field "face")))
1968 (let ((png (gnus-convert-face-to-png face))
1971 (setq image (gnus-create-image png 'png t))
1972 (gnus-article-goto-header "from")
1974 (insert "From: [no `from' set]\n")
1976 (gnus-add-wash-type 'face)
1977 (gnus-add-image 'face image)
1978 (gnus-put-image image)))))))
1980 (defun article-display-x-face (&optional force)
1981 "Look for an X-Face header and display it if present."
1982 (interactive (list 'force))
1983 (let ((wash-face-p buffer-read-only)) ;; When type `W f'
1984 (gnus-with-article-headers
1985 ;; Delete the old process, if any.
1986 (when (process-status "article-x-face")
1987 (delete-process "article-x-face"))
1988 (if (memq 'xface gnus-article-wash-types)
1989 ;; We have already displayed X-Faces, so we remove them
1991 (gnus-delete-images 'xface)
1993 (let (x-faces from face)
1995 (when (and wash-face-p
1997 (goto-char (point-min))
1998 (not (re-search-forward
1999 "^X-Face\\(-[0-9]+\\)?:[\t ]*" nil t)))
2000 (gnus-buffer-live-p gnus-original-article-buffer))
2001 ;; If type `W f', use gnus-original-article-buffer,
2002 ;; otherwise use the current buffer because displaying
2003 ;; RFC822 parts calls this function too.
2004 (set-buffer gnus-original-article-buffer))
2006 (mail-narrow-to-head)
2007 (while (gnus-article-goto-header "X-Face")
2008 (push (mail-header-field-value) x-faces))
2009 (setq from (message-fetch-field "from"))))
2010 ;; Sending multiple EOFs to xv doesn't work, so we only do a
2011 ;; single external face.
2012 (when (stringp gnus-article-x-face-command)
2013 (setq x-faces (list (car x-faces))))
2014 (while (and (setq face (pop x-faces))
2015 gnus-article-x-face-command
2017 ;; Check whether this face is censored.
2018 (not gnus-article-x-face-too-ugly)
2019 (and gnus-article-x-face-too-ugly from
2020 (not (string-match gnus-article-x-face-too-ugly
2022 ;; We display the face.
2023 (if (symbolp gnus-article-x-face-command)
2024 ;; The command is a lisp function, so we call it.
2025 (if (gnus-functionp gnus-article-x-face-command)
2026 (funcall gnus-article-x-face-command face)
2027 (error "%s is not a function" gnus-article-x-face-command))
2028 ;; The command is a string, so we interpret the command
2029 ;; as a, well, command, and fork it off.
2030 (let ((process-connection-type nil))
2031 (process-kill-without-query
2033 "article-x-face" nil shell-file-name shell-command-switch
2034 gnus-article-x-face-command))
2037 (process-send-region "article-x-face"
2038 (point-min) (point-max)))
2039 (process-send-eof "article-x-face")))))))))
2041 (defun article-decode-mime-words ()
2042 "Decode all MIME-encoded words in the article."
2045 (set-buffer gnus-article-buffer)
2046 (let ((inhibit-point-motion-hooks t)
2048 (mail-parse-charset gnus-newsgroup-charset)
2049 (mail-parse-ignored-charsets
2050 (save-excursion (set-buffer gnus-summary-buffer)
2051 gnus-newsgroup-ignored-charsets)))
2052 (mail-decode-encoded-word-region (point-min) (point-max)))))
2054 (defun article-decode-charset (&optional prompt)
2055 "Decode charset-encoded text in the article.
2056 If PROMPT (the prefix), prompt for a coding system to use."
2058 (let ((inhibit-point-motion-hooks t) (case-fold-search t)
2060 (mail-parse-charset gnus-newsgroup-charset)
2061 (mail-parse-ignored-charsets
2062 (save-excursion (condition-case nil
2063 (set-buffer gnus-summary-buffer)
2065 gnus-newsgroup-ignored-charsets))
2066 ct cte ctl charset format)
2069 (article-narrow-to-head)
2070 (setq ct (message-fetch-field "Content-Type" t)
2071 cte (message-fetch-field "Content-Transfer-Encoding" t)
2072 ctl (and ct (ignore-errors
2073 (mail-header-parse-content-type ct)))
2076 (mm-read-coding-system "Charset to decode: "))
2078 (mail-content-type-get ctl 'charset)))
2079 format (and ctl (mail-content-type-get ctl 'format)))
2081 (setq cte (mail-header-strip cte)))
2082 (if (and ctl (not (string-match "/" (car ctl))))
2084 (goto-char (point-max)))
2087 (narrow-to-region (point) (point-max))
2088 (when (and (eq mail-parse-charset 'gnus-decoded)
2089 (eq (mm-body-7-or-8) '8bit))
2090 ;; The text code could have been decoded.
2091 (setq charset mail-parse-charset))
2092 (when (and (or (not ctl)
2093 (equal (car ctl) "text/plain"))
2094 (not format)) ;; article with format will decode later.
2096 charset (and cte (intern (downcase
2097 (gnus-strip-whitespace cte))))
2098 (car ctl) prompt))))))
2100 (defun article-decode-encoded-words ()
2101 "Remove encoded-word encoding from headers."
2102 (let ((inhibit-point-motion-hooks t)
2103 (mail-parse-charset gnus-newsgroup-charset)
2104 (mail-parse-ignored-charsets
2105 (save-excursion (condition-case nil
2106 (set-buffer gnus-summary-buffer)
2108 gnus-newsgroup-ignored-charsets))
2111 (article-narrow-to-head)
2112 (funcall gnus-decode-header-function (point-min) (point-max)))))
2114 (defun article-decode-group-name ()
2115 "Decode group names in `Newsgroups:'."
2116 (let ((inhibit-point-motion-hooks t)
2118 (method (gnus-find-method-for-group gnus-newsgroup-name)))
2119 (when (and (or gnus-group-name-charset-method-alist
2120 gnus-group-name-charset-group-alist)
2121 (gnus-buffer-live-p gnus-original-article-buffer))
2122 (when (nnmail-fetch-field "Newsgroups")
2123 (nnheader-replace-header "Newsgroups"
2124 (gnus-decode-newsgroups
2125 (with-current-buffer
2126 gnus-original-article-buffer
2127 (nnmail-fetch-field "Newsgroups"))
2128 gnus-newsgroup-name method)))
2129 (when (nnmail-fetch-field "Followup-To")
2130 (nnheader-replace-header "Followup-To"
2131 (gnus-decode-newsgroups
2132 (with-current-buffer
2133 gnus-original-article-buffer
2134 (nnmail-fetch-field "Followup-To"))
2135 gnus-newsgroup-name method))))))
2137 (defun article-decode-idna-rhs ()
2138 "Decode IDNA strings in RHS in From:, To: and Cc: headers in current buffer."
2141 (let ((inhibit-point-motion-hooks t)
2143 (article-narrow-to-head)
2144 (goto-char (point-min))
2145 (while (re-search-forward "\\(xn--.*\\)[ \t\n\r,>]" nil t)
2147 (when (save-match-data
2148 (and (setq ace (match-string 1))
2150 (and (re-search-backward "^[^ \t]" nil t)
2151 (looking-at "From\\|To\\|Cc")))
2152 (save-excursion (backward-char)
2153 (message-idna-inside-rhs-p))
2154 (setq unicode (idna-to-unicode ace))))
2155 (unless (string= ace unicode)
2156 (replace-match unicode nil nil nil 1)))))))))
2158 (defun article-de-quoted-unreadable (&optional force read-charset)
2159 "Translate a quoted-printable-encoded article.
2160 If FORCE, decode the article whether it is marked as quoted-printable
2162 If READ-CHARSET, ask for a coding system."
2163 (interactive (list 'force current-prefix-arg))
2165 (let ((buffer-read-only nil) type charset)
2166 (if (gnus-buffer-live-p gnus-original-article-buffer)
2167 (with-current-buffer gnus-original-article-buffer
2169 (gnus-fetch-field "content-transfer-encoding"))
2170 (let* ((ct (gnus-fetch-field "content-type"))
2173 (mail-header-parse-content-type ct)))))
2174 (setq charset (and ctl
2175 (mail-content-type-get ctl 'charset)))
2176 (if (stringp charset)
2177 (setq charset (intern (downcase charset)))))))
2179 (setq charset (mm-read-coding-system "Charset: " charset)))
2181 (setq charset gnus-newsgroup-charset))
2183 (and type (let ((case-fold-search t))
2184 (string-match "quoted-printable" type))))
2186 (quoted-printable-decode-region
2187 (point) (point-max) (mm-charset-to-coding-system charset))))))
2189 (defun article-de-base64-unreadable (&optional force read-charset)
2190 "Translate a base64 article.
2191 If FORCE, decode the article whether it is marked as base64 not.
2192 If READ-CHARSET, ask for a coding system."
2193 (interactive (list 'force current-prefix-arg))
2195 (let ((buffer-read-only nil) type charset)
2196 (if (gnus-buffer-live-p gnus-original-article-buffer)
2197 (with-current-buffer gnus-original-article-buffer
2199 (gnus-fetch-field "content-transfer-encoding"))
2200 (let* ((ct (gnus-fetch-field "content-type"))
2203 (mail-header-parse-content-type ct)))))
2204 (setq charset (and ctl
2205 (mail-content-type-get ctl 'charset)))
2206 (if (stringp charset)
2207 (setq charset (intern (downcase charset)))))))
2209 (setq charset (mm-read-coding-system "Charset: " charset)))
2211 (setq charset gnus-newsgroup-charset))
2213 (and type (let ((case-fold-search t))
2214 (string-match "base64" type))))
2217 (narrow-to-region (point) (point-max))
2218 (base64-decode-region (point-min) (point-max))
2219 (mm-decode-coding-region
2220 (point-min) (point-max) (mm-charset-to-coding-system charset)))))))
2225 (defun article-decode-HZ ()
2226 "Translate a HZ-encoded article."
2230 (let ((buffer-read-only nil))
2231 (rfc1843-decode-region (point-min) (point-max)))))
2233 (defun article-unsplit-urls ()
2234 "Remove the newlines that some other mailers insert into URLs."
2237 (let ((buffer-read-only nil))
2238 (goto-char (point-min))
2239 (while (re-search-forward
2240 "^\\(\\(https?\\|ftp\\)://\\S-+\\) *\n\\(\\S-+\\)" nil t)
2241 (replace-match "\\1\\3" t)))
2242 (when (and gnus-display-mime-function (interactive-p))
2243 (funcall gnus-display-mime-function))))
2246 (defun article-wash-html (&optional read-charset)
2247 "Format an HTML article.
2248 If READ-CHARSET, ask for a coding system."
2251 (let ((buffer-read-only nil)
2253 (when (gnus-buffer-live-p gnus-original-article-buffer)
2254 (with-current-buffer gnus-original-article-buffer
2255 (let* ((ct (gnus-fetch-field "content-type"))
2258 (mail-header-parse-content-type ct)))))
2259 (setq charset (and ctl
2260 (mail-content-type-get ctl 'charset)))
2261 (when (stringp charset)
2262 (setq charset (intern (downcase charset)))))))
2264 (setq charset (mm-read-coding-system "Charset: " charset)))
2266 (setq charset gnus-newsgroup-charset))
2268 (save-window-excursion
2270 (narrow-to-region (point) (point-max))
2271 (let* ((func (or gnus-article-wash-function mm-text-html-renderer))
2272 (entry (assq func mm-text-html-washer-alist)))
2274 (setq func (cdr entry)))
2276 ((gnus-functionp func)
2279 (apply (car func) (cdr func))))))))))
2281 (defun gnus-article-wash-html-with-w3 ()
2282 "Wash the current buffer with w3."
2284 (let ((w3-strict-width (window-width))
2285 (url-standalone-mode t)
2286 (url-gateway-unplugged t)
2287 (w3-honor-stylesheets nil))
2289 (w3-region (point-min) (point-max))
2292 (defun gnus-article-wash-html-with-w3m ()
2293 "Wash the current buffer with emacs-w3m."
2296 (narrow-to-region (point) (point-max))
2297 (let ((w3m-safe-url-regexp (if mm-inline-text-html-with-images
2300 w3m-force-redisplay)
2301 (w3m-region (point-min) (point-max)))
2302 (when mm-inline-text-html-with-w3m-keymap
2303 (add-text-properties
2304 (point-min) (point-max)
2305 (nconc (mm-w3m-local-map-property)
2306 '(mm-inline-text-html-with-w3m t))))))
2308 (defun article-hide-list-identifiers ()
2309 "Remove list identifies from the Subject header.
2310 The `gnus-list-identifiers' variable specifies what to do."
2312 (let ((inhibit-point-motion-hooks t)
2313 (regexp (if (consp gnus-list-identifiers)
2314 (mapconcat 'identity gnus-list-identifiers " *\\|")
2315 gnus-list-identifiers))
2320 (article-narrow-to-head)
2321 (goto-char (point-min))
2322 (while (re-search-forward
2323 (concat "^Subject: +\\(R[Ee]: +\\)*\\(" regexp " *\\)")
2325 (delete-region (match-beginning 2) (match-end 0))
2326 (beginning-of-line))
2327 (when (re-search-forward
2328 "^Subject: +\\(\\(R[Ee]: +\\)+\\)R[Ee]: +" nil t)
2329 (delete-region (match-beginning 1) (match-end 1))))))))
2331 (defun article-hide-pem (&optional arg)
2332 "Toggle hiding of any PEM headers and signatures in the current article.
2333 If given a negative prefix, always show; if given a positive prefix,
2335 (interactive (gnus-article-hidden-arg))
2336 (unless (gnus-article-check-hidden-text 'pem arg)
2338 (let (buffer-read-only end)
2339 (goto-char (point-min))
2340 ;; Hide the horrendously ugly "header".
2341 (when (and (search-forward
2342 "\n-----BEGIN PRIVACY-ENHANCED MESSAGE-----\n"
2344 (setq end (1+ (match-beginning 0))))
2345 (gnus-add-wash-type 'pem)
2346 (gnus-article-hide-text-type
2348 (if (search-forward "\n\n" nil t)
2352 ;; Hide the trailer as well
2353 (when (search-forward "\n-----END PRIVACY-ENHANCED MESSAGE-----\n"
2355 (gnus-article-hide-text-type
2356 (match-beginning 0) (match-end 0) 'pem)))))))
2358 (defun article-strip-banner ()
2359 "Strip the banners specified by the `banner' group parameter and by
2360 `gnus-article-address-banner-alist'."
2364 (let ((inhibit-point-motion-hooks t))
2365 (when (gnus-parameter-banner gnus-newsgroup-name)
2366 (article-really-strip-banner
2367 (gnus-parameter-banner gnus-newsgroup-name)))
2368 (when gnus-article-address-banner-alist
2369 (article-really-strip-banner
2370 (let ((from (save-restriction
2372 (article-narrow-to-head)
2373 (mail-fetch-field "from"))))
2376 (caar (mail-header-parse-addresses from))))
2378 (dolist (pair gnus-article-address-banner-alist)
2379 (when (string-match (car pair) from)
2380 (throw 'found (cdr pair)))))))))))))
2382 (defun article-really-strip-banner (banner)
2383 "Strip the banner specified by the argument."
2386 (let ((inhibit-point-motion-hooks t)
2387 (gnus-signature-limit nil)
2391 ((eq banner 'signature)
2392 (when (gnus-article-narrow-to-signature)
2395 (delete-region (point) (point-max))))
2397 (if (setq banner (cdr (assq banner gnus-article-banner-alist)))
2398 (while (re-search-forward banner nil t)
2399 (delete-region (match-beginning 0) (match-end 0)))))
2401 (while (re-search-forward banner nil t)
2402 (delete-region (match-beginning 0) (match-end 0)))))))))
2404 (defun article-babel ()
2405 "Translate article using an online translation service."
2409 (set-buffer gnus-article-buffer)
2410 (when (article-goto-body)
2411 (let* ((buffer-read-only nil)
2414 (orig (buffer-substring start end))
2415 (trans (babel-as-string orig)))
2417 (narrow-to-region start end)
2418 (delete-region start end)
2421 (defun article-hide-signature (&optional arg)
2422 "Hide the signature in the current article.
2423 If given a negative prefix, always show; if given a positive prefix,
2425 (interactive (gnus-article-hidden-arg))
2426 (unless (gnus-article-check-hidden-text 'signature arg)
2429 (let ((buffer-read-only nil))
2430 (when (gnus-article-narrow-to-signature)
2431 (gnus-article-hide-text-type
2432 (point-min) (point-max) 'signature))))))
2433 (gnus-set-mode-line 'article))
2435 (defun article-strip-headers-in-body ()
2436 "Strip offensive headers from bodies."
2440 (let ((case-fold-search t))
2441 (when (looking-at "x-no-archive:")
2442 (gnus-delete-line)))))
2444 (defun article-strip-leading-blank-lines ()
2445 "Remove all blank lines from the beginning of the article."
2448 (let ((inhibit-point-motion-hooks t)
2450 (when (article-goto-body)
2451 (while (and (not (eobp))
2452 (looking-at "[ \t]*$"))
2453 (gnus-delete-line))))))
2455 (defun article-narrow-to-head ()
2456 "Narrow the buffer to the head of the message.
2457 Point is left at the beginning of the narrowed-to region."
2459 (goto-char (point-min))
2460 (if (search-forward "\n\n" nil 1)
2463 (goto-char (point-min)))
2465 (defun article-goto-body ()
2466 "Place point at the start of the body."
2467 (goto-char (point-min))
2469 ;; This variable is only bound when dealing with separate
2471 (article-goto-body-goes-to-point-min-p
2473 ((search-forward "\n\n" nil t)
2476 (goto-char (point-max))
2479 (defun article-strip-multiple-blank-lines ()
2480 "Replace consecutive blank lines with one empty line."
2483 (let ((inhibit-point-motion-hooks t)
2485 ;; First make all blank lines empty.
2487 (while (re-search-forward "^[ \t]+$" nil t)
2488 (unless (gnus-annotation-in-region-p
2489 (match-beginning 0) (match-end 0))
2490 (replace-match "" nil t)))
2491 ;; Then replace multiple empty lines with a single empty line.
2493 (while (re-search-forward "\n\n\\(\n+\\)" nil t)
2494 (unless (gnus-annotation-in-region-p
2495 (match-beginning 0) (match-end 0))
2496 (delete-region (match-beginning 1) (match-end 1)))))))
2498 (defun article-strip-leading-space ()
2499 "Remove all white space from the beginning of the lines in the article."
2502 (let ((inhibit-point-motion-hooks t)
2505 (while (re-search-forward "^[ \t]+" nil t)
2506 (replace-match "" t t)))))
2508 (defun article-strip-trailing-space ()
2509 "Remove all white space from the end of the lines in the article."
2512 (let ((inhibit-point-motion-hooks t)
2515 (while (re-search-forward "[ \t]+$" nil t)
2516 (replace-match "" t t)))))
2518 (defun article-strip-blank-lines ()
2519 "Strip leading, trailing and multiple blank lines."
2521 (article-strip-leading-blank-lines)
2522 (article-remove-trailing-blank-lines)
2523 (article-strip-multiple-blank-lines))
2525 (defun article-strip-all-blank-lines ()
2526 "Strip all blank lines."
2529 (let ((inhibit-point-motion-hooks t)
2532 (while (re-search-forward "^[ \t]*\n" nil t)
2533 (replace-match "" t t)))))
2535 (defun gnus-article-narrow-to-signature ()
2536 "Narrow to the signature; return t if a signature is found, else nil."
2537 (let ((inhibit-point-motion-hooks t))
2538 (when (gnus-article-search-signature)
2540 ;; Check whether we have some limits to what we consider
2541 ;; to be a signature.
2542 (let ((limits (if (listp gnus-signature-limit) gnus-signature-limit
2543 (list gnus-signature-limit)))
2545 (while (setq limit (pop limits))
2546 (if (or (and (integerp limit)
2547 (< (- (point-max) (point)) limit))
2549 (< (count-lines (point) (point-max)) limit))
2550 (and (gnus-functionp limit)
2552 (and (stringp limit)
2553 (not (re-search-forward limit nil t))))
2554 () ; This limit did not succeed.
2558 (narrow-to-region (point) (point-max))
2561 (defun gnus-article-search-signature ()
2562 "Search the current buffer for the signature separator.
2563 Put point at the beginning of the signature separator."
2564 (let ((cur (point)))
2565 (goto-char (point-max))
2566 (if (if (stringp gnus-signature-separator)
2567 (re-search-backward gnus-signature-separator nil t)
2568 (let ((seps gnus-signature-separator))
2570 (not (re-search-backward (car seps) nil t)))
2577 (defun gnus-article-hidden-arg ()
2578 "Return the current prefix arg as a number, or 0 if no prefix."
2579 (list (if current-prefix-arg
2580 (prefix-numeric-value current-prefix-arg)
2583 (defun gnus-article-check-hidden-text (type arg)
2584 "Return nil if hiding is necessary.
2585 Arg can be nil or a number. nil and positive means hide, negative
2586 means show, 0 means toggle."
2589 (let ((hide (gnus-article-hidden-text-p type)))
2595 (gnus-article-show-hidden-text type)
2598 (if (eq hide 'hidden)
2600 (gnus-article-show-hidden-text type)
2604 (defun gnus-article-hidden-text-p (type)
2605 "Say whether the current buffer contains hidden text of type TYPE."
2606 (let ((pos (text-property-any (point-min) (point-max) 'article-type type)))
2608 (not (get-text-property pos 'invisible))
2609 (not (get-text-property pos 'dummy-invisible)))
2611 (text-property-any (1+ pos) (point-max) 'article-type type)))
2616 (defun gnus-article-show-hidden-text (type &optional dummy)
2617 "Show all hidden text of type TYPE.
2618 Originally it is hide instead of DUMMY."
2619 (let ((buffer-read-only nil)
2620 (inhibit-point-motion-hooks t))
2621 (gnus-remove-text-properties-when
2623 (point-min) (point-max)
2624 (cons 'article-type (cons type
2625 gnus-hidden-properties)))
2626 (gnus-delete-wash-type type)))
2628 (defconst article-time-units
2629 `((year . ,(* 365.25 24 60 60))
2630 (week . ,(* 7 24 60 60))
2631 (day . ,(* 24 60 60))
2635 "Mapping from time units to seconds.")
2637 (defun gnus-article-forward-header ()
2638 "Move point to the start of the next header.
2639 If the current header is a continuation header, this can be several
2644 (if (looking-at "[ \t]+[^ \t]")
2648 (defun article-date-ut (&optional type highlight header)
2649 "Convert DATE date to universal time in the current article.
2650 If TYPE is `local', convert to local time; if it is `lapsed', output
2651 how much time has lapsed since DATE. For `lapsed', the value of
2652 `gnus-article-date-lapsed-new-header' says whether the \"X-Sent:\" header
2653 should replace the \"Date:\" one, or should be added below it."
2654 (interactive (list 'ut t))
2655 (let* ((header (or header
2656 (message-fetch-field "date")
2658 (tdate-regexp "^Date:[ \t]\\|^X-Sent:[ \t]")
2661 ((not gnus-article-date-lapsed-new-header)
2667 (date (if (vectorp header) (mail-header-date header)
2669 (inhibit-point-motion-hooks t)
2674 (article-narrow-to-head)
2675 (when (re-search-forward tdate-regexp nil t)
2676 (setq bface (get-text-property (gnus-point-at-bol) 'face)
2677 date (or (get-text-property (gnus-point-at-bol)
2680 eface (get-text-property (1- (gnus-point-at-eol)) 'face))
2682 (when (and date (not (string= date "")))
2683 (goto-char (point-min))
2684 (let ((buffer-read-only nil))
2685 ;; Delete any old Date headers.
2686 (while (re-search-forward date-regexp nil t)
2688 (delete-region (progn (beginning-of-line) (point))
2689 (progn (gnus-article-forward-header)
2691 (delete-region (progn (beginning-of-line) (point))
2692 (progn (gnus-article-forward-header)
2695 (setq pos (point))))
2696 (when (and (not pos)
2697 (re-search-forward tdate-regexp nil t))
2701 (insert (article-make-date-line date (or type 'ut)))
2707 (when (looking-at "\\([^:]+\\): *\\(.*\\)$")
2708 (put-text-property (match-beginning 1) (1+ (match-end 1))
2709 'original-date date)
2710 (put-text-property (match-beginning 1) (1+ (match-end 1))
2712 (put-text-property (match-beginning 2) (match-end 2)
2715 (defun article-make-date-line (date type)
2716 "Return a DATE line of TYPE."
2717 (unless (memq type '(local ut original user iso8601 lapsed english))
2718 (error "Unknown conversion type: %s" type))
2720 (let ((time (date-to-time date)))
2722 ;; Convert to the local timezone.
2724 (let ((tz (car (current-time-zone time))))
2725 (format "Date: %s %s%02d%02d" (current-time-string time)
2726 (if (> tz 0) "+" "-") (/ (abs tz) 3600)
2727 (/ (% (abs tz) 3600) 60))))
2728 ;; Convert to Universal Time.
2731 (current-time-string
2732 (let* ((e (parse-time-string date))
2733 (tm (apply 'encode-time e))
2735 (ls (- (cadr tm) (car (current-time-zone time)))))
2736 (cond ((< ls 0) (list (1- ms) (+ ls 65536)))
2737 ((> ls 65535) (list (1+ ms) (- ls 65536)))
2740 ;; Get the original date from the article.
2741 ((eq type 'original)
2742 (concat "Date: " (if (string-match "\n+$" date)
2743 (substring date 0 (match-beginning 0))
2745 ;; Let the user define the format.
2747 (let ((format (or (condition-case nil
2748 (with-current-buffer gnus-summary-buffer
2749 gnus-article-time-format)
2751 gnus-article-time-format)))
2752 (if (gnus-functionp format)
2753 (funcall format time)
2754 (concat "Date: " (format-time-string format time)))))
2757 (let ((tz (car (current-time-zone time))))
2760 (format-time-string "%Y%m%dT%H%M%S" time)
2761 (format "%s%02d%02d"
2762 (if (> tz 0) "+" "-") (/ (abs tz) 3600)
2763 (/ (% (abs tz) 3600) 60)))))
2764 ;; Do an X-Sent lapsed format.
2766 ;; If the date is seriously mangled, the timezone functions are
2767 ;; liable to bug out, so we ignore all errors.
2768 (let* ((now (current-time))
2769 (real-time (subtract-time now time))
2770 (real-sec (and real-time
2771 (+ (* (float (car real-time)) 65536)
2773 (sec (and real-time (abs real-sec)))
2783 ;; This is a bit convoluted, but basically we go
2784 ;; through the time units for years, weeks, etc,
2785 ;; and divide things to see whether that results
2786 ;; in positive answers.
2789 (if (zerop (setq num (ffloor (/ sec (cdr unit)))))
2790 ;; The (remaining) seconds are too few to
2791 ;; be divided into this time unit.
2793 ;; It's big enough, so we output it.
2794 (setq sec (- sec (* num (cdr unit))))
2796 (concat (if prev ", " "") (int-to-string
2798 " " (symbol-name (car unit))
2799 (if (> num 1) "s" ""))
2801 article-time-units "")
2802 ;; If dates are odd, then it might appear like the
2803 ;; article was sent in the future.
2806 " in the future"))))))
2807 ;; Display the date in proper English
2809 (let ((dtime (decode-time time)))
2812 (number-to-string (nth 3 dtime))
2813 (let ((digit (% (nth 3 dtime) 10)))
2815 ((memq (nth 3 dtime) '(11 12 13)) "th")
2821 (nth (1- (nth 4 dtime)) gnus-english-month-names)
2823 (number-to-string (nth 5 dtime))
2825 (format "%02d" (nth 2 dtime))
2827 (format "%02d" (nth 1 dtime)))))))
2829 (format "Date: %s (from Gnus)" date))))
2831 (defun article-date-local (&optional highlight)
2832 "Convert the current article date to the local timezone."
2833 (interactive (list t))
2834 (article-date-ut 'local highlight))
2836 (defun article-date-english (&optional highlight)
2837 "Convert the current article date to something that is proper English."
2838 (interactive (list t))
2839 (article-date-ut 'english highlight))
2841 (defun article-date-original (&optional highlight)
2842 "Convert the current article date to what it was originally.
2843 This is only useful if you have used some other date conversion
2844 function and want to see what the date was before converting."
2845 (interactive (list t))
2846 (article-date-ut 'original highlight))
2848 (defun article-date-lapsed (&optional highlight)
2849 "Convert the current article date to time lapsed since it was sent."
2850 (interactive (list t))
2851 (article-date-ut 'lapsed highlight))
2853 (defun article-update-date-lapsed ()
2854 "Function to be run from a timer to update the lapsed time line."
2855 (let (deactivate-mark)
2860 (set-buffer (window-buffer w))
2861 (when (eq major-mode 'gnus-article-mode)
2862 (goto-char (point-min))
2863 (when (re-search-forward "^X-Sent:" nil t)
2864 (article-date-lapsed t))))
2867 (defun gnus-start-date-timer (&optional n)
2868 "Start a timer to update the X-Sent header in the article buffers.
2869 The numerical prefix says how frequently (in seconds) the function
2874 (gnus-stop-date-timer)
2875 (setq article-lapsed-timer
2876 (nnheader-run-at-time 1 n 'article-update-date-lapsed)))
2878 (defun gnus-stop-date-timer ()
2879 "Stop the X-Sent timer."
2881 (when article-lapsed-timer
2882 (nnheader-cancel-timer article-lapsed-timer)
2883 (setq article-lapsed-timer nil)))
2885 (defun article-date-user (&optional highlight)
2886 "Convert the current article date to the user-defined format.
2887 This format is defined by the `gnus-article-time-format' variable."
2888 (interactive (list t))
2889 (article-date-ut 'user highlight))
2891 (defun article-date-iso8601 (&optional highlight)
2892 "Convert the current article date to ISO8601."
2893 (interactive (list t))
2894 (article-date-ut 'iso8601 highlight))
2896 ;; (defun article-show-all ()
2897 ;; "Show all hidden text in the article buffer."
2900 ;; (let ((buffer-read-only nil))
2901 ;; (gnus-article-unhide-text (point-min) (point-max)))))
2903 (defun article-remove-leading-whitespace ()
2904 "Remove excessive whitespace from all headers."
2908 (let ((buffer-read-only nil))
2909 (article-narrow-to-head)
2910 (goto-char (point-min))
2911 (while (re-search-forward "^[^ :]+: \\([ \t]+\\)" nil t)
2912 (delete-region (match-beginning 1) (match-end 1)))))))
2914 (defun article-emphasize (&optional arg)
2915 "Emphasize text according to `gnus-emphasis-alist'."
2916 (interactive (gnus-article-hidden-arg))
2917 (unless (gnus-article-check-hidden-text 'emphasis arg)
2921 (with-current-buffer gnus-summary-buffer
2922 gnus-article-emphasis-alist)
2924 gnus-emphasis-alist))
2925 (buffer-read-only nil)
2926 (props (append '(article-type emphasis)
2927 gnus-hidden-properties))
2928 regexp elem beg invisible visible face)
2931 (while (setq elem (pop alist))
2933 (setq regexp (car elem)
2934 invisible (nth 1 elem)
2935 visible (nth 2 elem)
2937 (while (re-search-forward regexp nil t)
2938 (when (and (match-beginning visible) (match-beginning invisible))
2939 (gnus-article-hide-text
2940 (match-beginning invisible) (match-end invisible) props)
2941 (gnus-article-unhide-text-type
2942 (match-beginning visible) (match-end visible) 'emphasis)
2943 (gnus-put-overlay-excluding-newlines
2944 (match-beginning visible) (match-end visible) 'face face)
2945 (gnus-add-wash-type 'emphasis)
2946 (goto-char (match-end invisible)))))))))
2948 (defun gnus-article-setup-highlight-words (&optional highlight-words)
2949 "Setup newsgroup emphasis alist."
2950 (unless gnus-article-emphasis-alist
2951 (let ((name (and gnus-newsgroup-name
2952 (gnus-group-real-name gnus-newsgroup-name))))
2953 (make-local-variable 'gnus-article-emphasis-alist)
2954 (setq gnus-article-emphasis-alist
2956 (let ((alist gnus-group-highlight-words-alist) elem highlight)
2957 (while (setq elem (pop alist))
2958 (when (and name (string-match (car elem) name))
2960 highlight (copy-sequence (cdr elem)))))
2962 (copy-sequence highlight-words)
2963 (if gnus-newsgroup-name
2964 (copy-sequence (gnus-group-find-parameter
2965 gnus-newsgroup-name 'highlight-words t)))
2966 gnus-emphasis-alist)))))
2969 (defvar gnus-summary-article-menu)
2970 (defvar gnus-summary-post-menu))
2972 ;;; Saving functions.
2974 (defun gnus-article-save (save-buffer file &optional num)
2975 "Save the currently selected article."
2976 (unless gnus-save-all-headers
2977 ;; Remove headers according to `gnus-saved-headers'.
2978 (let ((gnus-visible-headers
2979 (or gnus-saved-headers gnus-visible-headers))
2980 (gnus-article-buffer save-buffer))
2982 (set-buffer save-buffer)
2983 (article-hide-headers 1 t))))
2984 (save-window-excursion
2985 (if (not gnus-default-article-saver)
2986 (error "No default saver is defined")
2987 ;; !!! Magic! The saving functions all save
2988 ;; `gnus-save-article-buffer' (or so they think), but we
2989 ;; bind that variable to our save-buffer.
2990 (set-buffer gnus-article-buffer)
2991 (let* ((gnus-save-article-buffer save-buffer)
2994 ((not gnus-prompt-before-saving) 'default)
2995 ((eq gnus-prompt-before-saving 'always) nil)
2997 (gnus-number-of-articles-to-be-saved
2998 (when (eq gnus-prompt-before-saving t)
3000 (set-buffer gnus-article-current-summary)
3001 (funcall gnus-default-article-saver filename)))))
3003 (defun gnus-read-save-file-name (prompt &optional filename
3004 function group headers variable)
3006 (funcall function group headers (symbol-value variable)))
3011 ((eq filename 'default)
3017 (let* ((split-name (gnus-get-split-value gnus-split-methods))
3020 (if (and gnus-number-of-articles-to-be-saved
3021 (> gnus-number-of-articles-to-be-saved 1))
3022 (format "these %d articles"
3023 gnus-number-of-articles-to-be-saved)
3026 ;; Let the split methods have their say.
3028 ;; No split name was found.
3031 (concat prompt " (default "
3032 (file-name-nondirectory default-name) ") ")
3033 (file-name-directory default-name)
3035 ;; A single group name is returned.
3036 ((stringp split-name)
3038 (funcall function split-name headers
3039 (symbol-value variable)))
3041 (concat prompt " (default "
3042 (file-name-nondirectory default-name) ") ")
3043 (file-name-directory default-name)
3045 ;; A single split name was found
3046 ((= 1 (length split-name))
3047 (let* ((name (expand-file-name
3049 gnus-article-save-directory))
3050 (dir (cond ((file-directory-p name)
3051 (file-name-as-directory name))
3052 ((file-exists-p name) name)
3053 (t gnus-article-save-directory))))
3055 (concat prompt " (default " name ") ")
3057 ;; A list of splits was found.
3059 (setq split-name (nreverse split-name))
3061 (let ((file-name-history
3062 (nconc split-name file-name-history)))
3066 (concat prompt " (`M-p' for defaults) ")
3067 gnus-article-save-directory
3069 gnus-article-save-directory)))
3070 (car (push result file-name-history)))))))
3071 ;; Create the directory.
3072 (gnus-make-directory (file-name-directory file))
3073 ;; If we have read a directory, we append the default file name.
3074 (when (file-directory-p file)
3075 (setq file (expand-file-name (file-name-nondirectory
3077 (file-name-as-directory file))))
3078 ;; Possibly translate some characters.
3079 (nnheader-translate-file-chars file))))))
3080 (gnus-make-directory (file-name-directory result))
3081 (set variable result)))
3083 (defun gnus-article-archive-name (group)
3084 "Return the first instance of an \"Archive-name\" in the current buffer."
3085 (let ((case-fold-search t))
3086 (when (re-search-forward "archive-name: *\\([^ \n\t]+\\)[ \t]*$" nil t)
3087 (nnheader-concat gnus-article-save-directory
3088 (match-string 1)))))
3090 (defun gnus-article-nndoc-name (group)
3091 "If GROUP is an nndoc group, return the name of the parent group."
3092 (when (eq (car (gnus-find-method-for-group group)) 'nndoc)
3093 (gnus-group-get-parameter group 'save-article-group)))
3095 (defun gnus-summary-save-in-rmail (&optional filename)
3096 "Append this article to Rmail file.
3097 Optional argument FILENAME specifies file name.
3098 Directory to save to is default to `gnus-article-save-directory'."
3099 (setq filename (gnus-read-save-file-name
3100 "Save %s in rmail file:" filename
3101 gnus-rmail-save-name gnus-newsgroup-name
3102 gnus-current-headers 'gnus-newsgroup-last-rmail))
3103 (gnus-eval-in-buffer-window gnus-save-article-buffer
3107 (gnus-output-to-rmail filename))))
3110 (defun gnus-summary-save-in-mail (&optional filename)
3111 "Append this article to Unix mail file.
3112 Optional argument FILENAME specifies file name.
3113 Directory to save to is default to `gnus-article-save-directory'."
3114 (setq filename (gnus-read-save-file-name
3115 "Save %s in Unix mail file:" filename
3116 gnus-mail-save-name gnus-newsgroup-name
3117 gnus-current-headers 'gnus-newsgroup-last-mail))
3118 (gnus-eval-in-buffer-window gnus-save-article-buffer
3122 (if (and (file-readable-p filename)
3123 (file-regular-p filename)
3124 (mail-file-babyl-p filename))
3125 (rmail-output-to-rmail-file filename t)
3126 (gnus-output-to-mail filename)))))
3129 (defun gnus-summary-save-in-file (&optional filename overwrite)
3130 "Append this article to file.
3131 Optional argument FILENAME specifies file name.
3132 Directory to save to is default to `gnus-article-save-directory'."
3133 (setq filename (gnus-read-save-file-name
3134 "Save %s in file:" filename
3135 gnus-file-save-name gnus-newsgroup-name
3136 gnus-current-headers 'gnus-newsgroup-last-file))
3137 (gnus-eval-in-buffer-window gnus-save-article-buffer
3141 (when (and overwrite
3142 (file-exists-p filename))
3143 (delete-file filename))
3144 (gnus-output-to-file filename))))
3147 (defun gnus-summary-write-to-file (&optional filename)
3148 "Write this article to a file, overwriting it if the file exists.
3149 Optional argument FILENAME specifies file name.
3150 The directory to save in defaults to `gnus-article-save-directory'."
3151 (gnus-summary-save-in-file nil t))
3153 (defun gnus-summary-save-body-in-file (&optional filename)
3154 "Append this article body to a file.
3155 Optional argument FILENAME specifies file name.
3156 The directory to save in defaults to `gnus-article-save-directory'."
3157 (setq filename (gnus-read-save-file-name
3158 "Save %s body in file:" filename
3159 gnus-file-save-name gnus-newsgroup-name
3160 gnus-current-headers 'gnus-newsgroup-last-file))
3161 (gnus-eval-in-buffer-window gnus-save-article-buffer
3165 (when (article-goto-body)
3166 (narrow-to-region (point) (point-max)))
3167 (gnus-output-to-file filename))))
3170 (defun gnus-summary-save-in-pipe (&optional command)
3171 "Pipe this article to subprocess."
3173 (cond ((and (eq command 'default)
3174 gnus-last-shell-command)
3175 gnus-last-shell-command)
3180 "Shell command on %s: "
3181 (if (and gnus-number-of-articles-to-be-saved
3182 (> gnus-number-of-articles-to-be-saved 1))
3183 (format "these %d articles"
3184 gnus-number-of-articles-to-be-saved)
3186 gnus-last-shell-command))))
3187 (when (string-equal command "")
3188 (if gnus-last-shell-command
3189 (setq command gnus-last-shell-command)
3190 (error "A command is required")))
3191 (gnus-eval-in-buffer-window gnus-article-buffer
3194 (shell-command-on-region (point-min) (point-max) command nil)))
3195 (setq gnus-last-shell-command command))
3197 (defun gnus-summary-pipe-to-muttprint (&optional command)
3198 "Pipe this article to muttprint."
3199 (setq command (read-string
3200 "Print using command: " gnus-summary-muttprint-program
3201 nil gnus-summary-muttprint-program))
3202 (gnus-summary-save-in-pipe command))
3204 ;;; Article file names when saving.
3206 (defun gnus-capitalize-newsgroup (newsgroup)
3207 "Capitalize NEWSGROUP name."
3208 (when (not (zerop (length newsgroup)))
3209 (concat (char-to-string (upcase (aref newsgroup 0)))
3210 (substring newsgroup 1))))
3212 (defun gnus-Numeric-save-name (newsgroup headers &optional last-file)
3213 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3214 If variable `gnus-use-long-file-name' is non-nil, it is ~/News/News.group/num.
3215 Otherwise, it is like ~/News/news/group/num."
3218 (concat (if (gnus-use-long-file-name 'not-save)
3219 (gnus-capitalize-newsgroup newsgroup)
3220 (gnus-newsgroup-directory-form newsgroup))
3221 "/" (int-to-string (mail-header-number headers)))
3222 gnus-article-save-directory)))
3224 (string-equal (file-name-directory default)
3225 (file-name-directory last-file))
3226 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
3228 (or last-file default))))
3230 (defun gnus-numeric-save-name (newsgroup headers &optional last-file)
3231 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3232 If variable `gnus-use-long-file-name' is non-nil, it is
3233 ~/News/news.group/num. Otherwise, it is like ~/News/news/group/num."
3236 (concat (if (gnus-use-long-file-name 'not-save)
3238 (gnus-newsgroup-directory-form newsgroup))
3239 "/" (int-to-string (mail-header-number headers)))
3240 gnus-article-save-directory)))
3242 (string-equal (file-name-directory default)
3243 (file-name-directory last-file))
3244 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
3246 (or last-file default))))
3248 (defun gnus-plain-save-name (newsgroup headers &optional last-file)
3249 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3250 If variable `gnus-use-long-file-name' is non-nil, it is
3251 ~/News/news.group. Otherwise, it is like ~/News/news/group/news."
3254 (if (gnus-use-long-file-name 'not-save)
3257 (expand-file-name "news" (gnus-newsgroup-directory-form newsgroup))
3259 gnus-article-save-directory)))
3261 (defun gnus-sender-save-name (newsgroup headers &optional last-file)
3262 "Generate file name from sender."
3263 (let ((from (mail-header-from headers)))
3265 (if (and from (string-match "\\([^ <]+\\)@" from))
3266 (match-string 1 from)
3268 gnus-article-save-directory)))
3270 (defun article-verify-x-pgp-sig ()
3273 (if (gnus-buffer-live-p gnus-original-article-buffer)
3274 (let ((sig (with-current-buffer gnus-original-article-buffer
3275 (gnus-fetch-field "X-PGP-Sig")))
3279 (mml2015-clear-verify-function))
3281 (insert-buffer gnus-original-article-buffer)
3282 (setq items (split-string sig))
3283 (message-narrow-to-head)
3284 (let ((inhibit-point-motion-hooks t)
3285 (case-fold-search t))
3286 ;; Don't verify multiple headers.
3287 (setq headers (mapconcat (lambda (header)
3289 (mail-fetch-field header) "\n"))
3290 (split-string (nth 1 items) ",") "")))
3291 (delete-region (point-min) (point-max))
3292 (insert "-----BEGIN PGP SIGNED MESSAGE-----\n\n")
3293 (insert "X-Signed-Headers: " (nth 1 items) "\n")
3298 (if (looking-at "^-")
3301 (insert "\n-----BEGIN PGP SIGNATURE-----\n")
3302 (insert "Version: " (car items) "\n\n")
3303 (insert (mapconcat 'identity (cddr items) "\n"))
3304 (insert "\n-----END PGP SIGNATURE-----\n")
3305 (let ((mm-security-handle (list (format "multipart/signed"))))
3306 (mml2015-clean-buffer)
3307 (let ((coding-system-for-write (or gnus-newsgroup-charset
3309 (funcall (mml2015-clear-verify-function)))
3311 (or (mm-handle-multipart-ctl-parameter
3312 mm-security-handle 'gnus-details)
3313 (mm-handle-multipart-ctl-parameter
3314 mm-security-handle 'gnus-info)))))
3316 (let (buffer-read-only bface eface)
3318 (message-narrow-to-head)
3319 (goto-char (point-max))
3321 (setq bface (get-text-property (gnus-point-at-bol) 'face)
3322 eface (get-text-property (1- (gnus-point-at-eol)) 'face))
3323 (message-remove-header "X-Gnus-PGP-Verify")
3324 (if (re-search-forward "^X-PGP-Sig:" nil t)
3326 (goto-char (point-max)))
3327 (narrow-to-region (point) (point))
3328 (insert "X-Gnus-PGP-Verify: " info "\n")
3329 (goto-char (point-min))
3332 (if (not (looking-at "^[ \t]"))
3336 (goto-char (point-min))
3337 (when (looking-at "\\([^:]+\\): *")
3338 (put-text-property (match-beginning 1) (1+ (match-end 1))
3340 (put-text-property (match-end 0) (point-max)
3341 'face eface)))))))))
3343 (defun article-verify-cancel-lock ()
3344 "Verify Cancel-Lock header."
3346 (if (gnus-buffer-live-p gnus-original-article-buffer)
3347 (canlock-verify gnus-original-article-buffer)))
3354 (setq afunc (car func)
3357 gfunc (intern (format "gnus-%s" func))))
3359 (when (fboundp afunc)
3360 `(lambda (&optional interactive &rest args)
3361 ,(documentation afunc t)
3362 (interactive (list t))
3364 (set-buffer gnus-article-buffer)
3366 (call-interactively ',afunc)
3367 (apply ',afunc args))))))))
3368 '(article-hide-headers
3369 article-verify-x-pgp-sig
3370 article-verify-cancel-lock
3371 article-hide-boring-headers
3372 article-treat-overstrike
3373 article-fill-long-lines
3374 article-capitalize-sentences
3376 article-remove-leading-whitespace
3377 article-display-x-face
3378 article-display-face
3379 article-de-quoted-unreadable
3380 article-de-base64-unreadable
3383 article-unsplit-urls
3384 article-hide-list-identifiers
3385 article-strip-banner
3388 article-hide-signature
3389 article-strip-headers-in-body
3390 article-remove-trailing-blank-lines
3391 article-strip-leading-blank-lines
3392 article-strip-multiple-blank-lines
3393 article-strip-leading-space
3394 article-strip-trailing-space
3395 article-strip-blank-lines
3396 article-strip-all-blank-lines
3398 article-date-english
3399 article-date-iso8601
3400 article-date-original
3402 article-decode-mime-words
3403 article-decode-charset
3404 article-decode-encoded-words
3408 article-treat-dumbquotes
3409 article-normalize-headers
3410 ;; (article-show-all . gnus-article-show-all-headers)
3414 ;;; Gnus article mode
3417 (put 'gnus-article-mode 'mode-class 'special)
3419 (set-keymap-parent gnus-article-mode-map widget-keymap)
3421 (gnus-define-keys gnus-article-mode-map
3422 " " gnus-article-goto-next-page
3423 "\177" gnus-article-goto-prev-page
3424 [delete] gnus-article-goto-prev-page
3425 [backspace] gnus-article-goto-prev-page
3426 "\C-c^" gnus-article-refer-article
3427 "h" gnus-article-show-summary
3428 "s" gnus-article-show-summary
3429 "\C-c\C-m" gnus-article-mail
3430 "?" gnus-article-describe-briefly
3431 "e" gnus-summary-edit-article
3432 "<" beginning-of-buffer
3434 "\C-c\C-i" gnus-info-find-node
3436 "R" gnus-article-reply-with-original
3437 "F" gnus-article-followup-with-original
3438 "\C-hk" gnus-article-describe-key
3439 "\C-hc" gnus-article-describe-key-briefly
3441 "\C-d" gnus-article-read-summary-keys
3442 "\M-*" gnus-article-read-summary-keys
3443 "\M-#" gnus-article-read-summary-keys
3444 "\M-^" gnus-article-read-summary-keys
3445 "\M-g" gnus-article-read-summary-keys)
3447 (substitute-key-definition
3448 'undefined 'gnus-article-read-summary-keys gnus-article-mode-map)
3450 (defun gnus-article-make-menu-bar ()
3451 (unless (boundp 'gnus-article-commands-menu)
3452 (gnus-summary-make-menu-bar))
3453 (gnus-turn-off-edit-menu 'article)
3454 (unless (boundp 'gnus-article-article-menu)
3456 gnus-article-article-menu gnus-article-mode-map ""
3458 ["Scroll forwards" gnus-article-goto-next-page t]
3459 ["Scroll backwards" gnus-article-goto-prev-page t]
3460 ["Show summary" gnus-article-show-summary t]
3461 ["Fetch Message-ID at point" gnus-article-refer-article t]
3462 ["Mail to address at point" gnus-article-mail t]
3463 ["Send a bug report" gnus-bug t]))
3466 gnus-article-treatment-menu gnus-article-mode-map ""
3467 ;; Fixme: this should use :active (and maybe :visible).
3469 ["Hide headers" gnus-article-hide-headers t]
3470 ["Hide signature" gnus-article-hide-signature t]
3471 ["Hide citation" gnus-article-hide-citation t]
3472 ["Treat overstrike" gnus-article-treat-overstrike t]
3473 ["Remove carriage return" gnus-article-remove-cr t]
3474 ["Remove leading whitespace" gnus-article-remove-leading-whitespace t]
3475 ["Remove quoted-unreadable" gnus-article-de-quoted-unreadable t]
3476 ["Remove base64" gnus-article-de-base64-unreadable t]
3477 ["Treat html" gnus-article-wash-html t]
3478 ["Remove newlines from within URLs" gnus-article-unsplit-urls t]
3479 ["Decode HZ" gnus-article-decode-HZ t]))
3481 ;; Note "Commands" menu is defined in gnus-sum.el for consistency
3483 ;; Note "Post" menu is defined in gnus-sum.el for consistency
3485 (gnus-run-hooks 'gnus-article-menu-hook)))
3487 (defun gnus-article-mode ()
3488 "Major mode for displaying an article.
3490 All normal editing commands are switched off.
3492 The following commands are available in addition to all summary mode
3494 \\<gnus-article-mode-map>
3495 \\[gnus-article-next-page]\t Scroll the article one page forwards
3496 \\[gnus-article-prev-page]\t Scroll the article one page backwards
3497 \\[gnus-article-refer-article]\t Go to the article referred to by an article id near point
3498 \\[gnus-article-show-summary]\t Display the summary buffer
3499 \\[gnus-article-mail]\t Send a reply to the address near point
3500 \\[gnus-article-describe-briefly]\t Describe the current mode briefly
3501 \\[gnus-info-find-node]\t Go to the Gnus info node"
3503 (gnus-simplify-mode-line)
3504 (setq mode-name "Article")
3505 (setq major-mode 'gnus-article-mode)
3506 (make-local-variable 'minor-mode-alist)
3507 (use-local-map gnus-article-mode-map)
3508 (when (gnus-visual-p 'article-menu 'menu)
3509 (gnus-article-make-menu-bar)
3510 (when gnus-summary-tool-bar-map
3511 (set (make-local-variable 'tool-bar-map) gnus-summary-tool-bar-map)))
3512 (gnus-update-format-specifications nil 'article-mode)
3513 (set (make-local-variable 'page-delimiter) gnus-page-delimiter)
3514 (make-local-variable 'gnus-page-broken)
3515 (make-local-variable 'gnus-button-marker-list)
3516 (make-local-variable 'gnus-article-current-summary)
3517 (make-local-variable 'gnus-article-mime-handles)
3518 (make-local-variable 'gnus-article-decoded-p)
3519 (make-local-variable 'gnus-article-mime-handle-alist)
3520 (make-local-variable 'gnus-article-wash-types)
3521 (make-local-variable 'gnus-article-image-alist)
3522 (make-local-variable 'gnus-article-charset)
3523 (make-local-variable 'gnus-article-ignored-charsets)
3524 (gnus-set-default-directory)
3525 (buffer-disable-undo)
3526 (setq buffer-read-only t)
3527 (set-syntax-table gnus-article-mode-syntax-table)
3528 (mm-enable-multibyte)
3529 (gnus-run-hooks 'gnus-article-mode-hook))
3531 (defun gnus-article-setup-buffer ()
3532 "Initialize the article buffer."
3533 (let* ((name (if gnus-single-article-buffer "*Article*"
3534 (concat "*Article " gnus-newsgroup-name "*")))
3536 (progn (string-match "\\*Article" name)
3537 (concat " *Original Article"
3538 (substring name (match-end 0))))))
3539 (setq gnus-article-buffer name)
3540 (setq gnus-original-article-buffer original)
3541 (setq gnus-article-mime-handle-alist nil)
3542 ;; This might be a variable local to the summary buffer.
3543 (unless gnus-single-article-buffer
3545 (set-buffer gnus-summary-buffer)
3546 (setq gnus-article-buffer name)
3547 (setq gnus-original-article-buffer original)
3548 (gnus-set-global-variables)))
3549 (gnus-article-setup-highlight-words)
3550 ;; Init original article buffer.
3552 (set-buffer (gnus-get-buffer-create gnus-original-article-buffer))
3553 (mm-enable-multibyte)
3554 (setq major-mode 'gnus-original-article-mode)
3555 (make-local-variable 'gnus-original-article))
3556 (if (get-buffer name)
3559 (when (and gnus-article-edit-mode
3562 (y-or-n-p "Article mode edit in progress; discard? ")))
3563 (error "Action aborted"))
3564 (set (make-local-variable 'gnus-article-edit-mode) nil)
3565 (when gnus-article-mime-handles
3566 (mm-destroy-parts gnus-article-mime-handles)
3567 (setq gnus-article-mime-handles nil))
3568 ;; Set it to nil in article-buffer!
3569 (setq gnus-article-mime-handle-alist nil)
3570 (buffer-disable-undo)
3571 (setq buffer-read-only t)
3572 ;; This list just keeps growing if we don't reset it.
3573 (setq gnus-button-marker-list nil)
3574 (unless (eq major-mode 'gnus-article-mode)
3575 (gnus-article-mode))
3578 (set-buffer (gnus-get-buffer-create name))
3580 (make-local-variable 'gnus-summary-buffer)
3581 (gnus-summary-set-local-parameters gnus-newsgroup-name)
3582 (current-buffer)))))
3584 ;; Set article window start at LINE, where LINE is the number of lines
3585 ;; from the head of the article.
3586 (defun gnus-article-set-window-start (&optional line)
3588 (gnus-get-buffer-window gnus-article-buffer t)
3590 (set-buffer gnus-article-buffer)
3591 (goto-char (point-min))
3594 (gnus-message 6 "Moved to bookmark")
3595 (search-forward "\n\n" nil t)
3599 (defun gnus-article-prepare (article &optional all-headers header)
3600 "Prepare ARTICLE in article mode buffer.
3601 ARTICLE should either be an article number or a Message-ID.
3602 If ARTICLE is an id, HEADER should be the article headers.
3603 If ALL-HEADERS is non-nil, no headers are hidden."
3605 ;; Make sure we start in a summary buffer.
3606 (unless (eq major-mode 'gnus-summary-mode)
3607 (set-buffer gnus-summary-buffer))
3608 (setq gnus-summary-buffer (current-buffer))
3609 (let* ((gnus-article (if header (mail-header-number header) article))
3610 (summary-buffer (current-buffer))
3611 (gnus-tmp-internal-hook gnus-article-internal-prepare-hook)
3612 (group gnus-newsgroup-name)
3615 (gnus-article-setup-buffer)
3616 (set-buffer gnus-article-buffer)
3617 ;; Deactivate active regions.
3618 (when (and (boundp 'transient-mark-mode)
3619 transient-mark-mode)
3620 (setq mark-active nil))
3621 (if (not (setq result (let ((buffer-read-only nil))
3622 (gnus-request-article-this-buffer
3624 ;; There is no such article.
3626 (when (and (numberp article)
3627 (not (memq article gnus-newsgroup-sparse)))
3628 (setq gnus-article-current
3629 (cons gnus-newsgroup-name article))
3630 (set-buffer gnus-summary-buffer)
3631 (setq gnus-current-article article)
3632 (if (and (memq article gnus-newsgroup-undownloaded)
3633 (not (gnus-online (gnus-find-method-for-group
3634 gnus-newsgroup-name))))
3636 (gnus-summary-set-agent-mark article)
3637 (message "Message marked for downloading"))
3638 (gnus-summary-mark-article article gnus-canceled-mark)
3639 (unless (memq article gnus-newsgroup-sparse)
3640 (gnus-error 1 "No such article (may have expired or been canceled)")))))
3641 (if (or (eq result 'pseudo)
3642 (eq result 'nneething))
3645 (set-buffer summary-buffer)
3646 (push article gnus-newsgroup-history)
3647 (setq gnus-last-article gnus-current-article
3648 gnus-current-article 0
3649 gnus-current-headers nil
3650 gnus-article-current nil)
3651 (if (eq result 'nneething)
3652 (gnus-configure-windows 'summary)
3653 (gnus-configure-windows 'article))
3654 (gnus-set-global-variables))
3655 (let ((gnus-article-mime-handle-alist-1
3656 gnus-article-mime-handle-alist))
3657 (gnus-set-mode-line 'article)))
3658 ;; The result from the `request' was an actual article -
3659 ;; or at least some text that is now displayed in the
3661 (when (and (numberp article)
3662 (not (eq article gnus-current-article)))
3663 ;; Seems like a new article has been selected.
3664 ;; `gnus-current-article' must be an article number.
3666 (set-buffer summary-buffer)
3667 (push article gnus-newsgroup-history)
3668 (setq gnus-last-article gnus-current-article
3669 gnus-current-article article
3670 gnus-current-headers
3671 (gnus-summary-article-header gnus-current-article)
3672 gnus-article-current
3673 (cons gnus-newsgroup-name gnus-current-article))
3674 (unless (vectorp gnus-current-headers)
3675 (setq gnus-current-headers nil))
3676 (gnus-summary-goto-subject gnus-current-article)
3677 (when (gnus-summary-show-thread)
3678 ;; If the summary buffer really was folded, the
3679 ;; previous goto may not actually have gone to
3680 ;; the right article, but the thread root instead.
3682 (gnus-summary-goto-subject gnus-current-article))
3683 (gnus-run-hooks 'gnus-mark-article-hook)
3684 (gnus-set-mode-line 'summary)
3685 (when (gnus-visual-p 'article-highlight 'highlight)
3686 (gnus-run-hooks 'gnus-visual-mark-article-hook))
3687 ;; Set the global newsgroup variables here.
3688 (gnus-set-global-variables)
3689 (setq gnus-have-all-headers
3690 (or all-headers gnus-show-all-headers))))
3692 (gnus-configure-windows 'article))
3693 (when (or (numberp article)
3695 (gnus-article-prepare-display)
3697 (goto-char (point-min))
3698 (setq gnus-page-broken
3699 (when gnus-break-pages
3700 (gnus-narrow-to-page)
3702 (let ((gnus-article-mime-handle-alist-1
3703 gnus-article-mime-handle-alist))
3704 (gnus-set-mode-line 'article))
3708 (set-window-point (get-buffer-window (current-buffer)) (point))
3709 (gnus-configure-windows 'article)
3713 (defun gnus-article-prepare-display ()
3714 "Make the current buffer look like a nice article."
3715 ;; Hooks for getting information from the article.
3716 ;; This hook must be called before being narrowed.
3717 (let ((gnus-article-buffer (current-buffer))
3719 (unless (eq major-mode 'gnus-article-mode)
3720 (gnus-article-mode))
3721 (setq buffer-read-only nil
3722 gnus-article-wash-types nil
3723 gnus-article-image-alist nil)
3724 (gnus-run-hooks 'gnus-tmp-internal-hook)
3725 (when gnus-display-mime-function
3726 (funcall gnus-display-mime-function))
3727 (gnus-run-hooks 'gnus-article-prepare-hook)))
3730 ;;; Gnus MIME viewing functions
3733 (defvar gnus-mime-button-line-format "%{%([%p. %d%T]%)%}%e\n"
3734 "Format of the MIME buttons.
3736 Valid specifiers include:
3738 %T MIME type, along with additional info
3739 %n The `name' parameter
3740 %d The description, if any
3741 %l The length of the encoded part
3742 %p The part identifier number
3743 %e Dots if the part isn't displayed
3745 General format specifiers can also be used. See Info node
3746 `(gnus)Formatting Variables'.")
3748 (defvar gnus-mime-button-line-format-alist
3749 '((?t gnus-tmp-type ?s)
3750 (?T gnus-tmp-type-long ?s)
3751 (?n gnus-tmp-name ?s)
3752 (?d gnus-tmp-description ?s)
3754 (?l gnus-tmp-length ?d)
3755 (?e gnus-tmp-dots ?s)))
3757 (defvar gnus-mime-button-commands
3758 '((gnus-article-press-button "\r" "Toggle Display")
3759 (gnus-mime-view-part "v" "View Interactively...")
3760 (gnus-mime-view-part-as-type "t" "View As Type...")
3761 (gnus-mime-view-part-as-charset "C" "View As charset...")
3762 (gnus-mime-save-part "o" "Save...")
3763 (gnus-mime-save-part-and-strip "\C-o" "Save and Strip")
3764 (gnus-mime-delete-part "d" "Delete part")
3765 (gnus-mime-copy-part "c" "View As Text, In Other Buffer")
3766 (gnus-mime-inline-part "i" "View As Text, In This Buffer")
3767 (gnus-mime-view-part-internally "E" "View Internally")
3768 (gnus-mime-view-part-externally "e" "View Externally")
3769 (gnus-mime-print-part "p" "Print")
3770 (gnus-mime-pipe-part "|" "Pipe To Command...")
3771 (gnus-mime-action-on-part "." "Take action on the part...")))
3773 (defun gnus-article-mime-part-status ()
3774 (if gnus-article-mime-handle-alist-1
3775 (if (eq 1 (length gnus-article-mime-handle-alist-1))
3777 (format " (%d parts)" (length gnus-article-mime-handle-alist-1)))
3780 (defvar gnus-mime-button-map
3781 (let ((map (make-sparse-keymap)))
3782 (unless (>= (string-to-number emacs-version) 21)
3783 ;; XEmacs doesn't care.
3784 (set-keymap-parent map gnus-article-mode-map))
3785 (define-key map gnus-mouse-2 'gnus-article-push-button)
3786 (define-key map gnus-down-mouse-3 'gnus-mime-button-menu)
3787 (dolist (c gnus-mime-button-commands)
3788 (define-key map (cadr c) (car c)))
3791 (easy-menu-define gnus-mime-button-menu gnus-mime-button-map "MIME button menu."
3793 ,@(mapcar (lambda (c)
3794 (vector (caddr c) (car c) :enable t)) gnus-mime-button-commands)))
3797 (define-compiler-macro popup-menu (&whole form
3798 menu &optional position prefix)
3799 (if (and (fboundp 'popup-menu)
3800 (not (memq 'popup-menu (assoc "lmenu" load-history))))
3802 ;; Gnus is probably running under Emacs 20.
3803 `(let* ((menu (cdr ,menu))
3804 (response (x-popup-menu
3806 (cons "" (mapcar (lambda (c)
3807 (cons (caddr c) (car c)))
3810 (call-interactively (nth 3 (assq response menu))))))))
3812 (defun gnus-mime-button-menu (event prefix)
3813 "Construct a context-sensitive menu of MIME commands."
3814 (interactive "e\nP")
3815 (save-window-excursion
3816 (let ((pos (event-start event)))
3817 (select-window (posn-window pos))
3818 (goto-char (posn-point pos))
3819 (gnus-article-check-buffer)
3820 (popup-menu gnus-mime-button-menu nil prefix))))
3822 (defun gnus-mime-view-all-parts (&optional handles)
3823 "View all the MIME parts."
3825 (save-current-buffer
3826 (set-buffer gnus-article-buffer)
3827 (let ((handles (or handles gnus-article-mime-handles))
3828 (mail-parse-charset gnus-newsgroup-charset)
3829 (mail-parse-ignored-charsets
3830 (with-current-buffer gnus-summary-buffer
3831 gnus-newsgroup-ignored-charsets)))
3833 (mm-remove-parts handles)
3834 (goto-char (point-min))
3835 (or (search-forward "\n\n") (goto-char (point-max)))
3836 (let (buffer-read-only)
3837 (delete-region (point) (point-max))
3838 (mm-display-parts handles))))))
3840 (defun gnus-mime-save-part-and-strip ()
3841 "Save the MIME part under point then replace it with an external body."
3843 (gnus-article-check-buffer)
3844 (let* ((data (get-text-property (point) 'gnus-data))
3846 (handles gnus-article-mime-handles))
3847 (if (mm-multiple-handles gnus-article-mime-handles)
3848 (error "This function is not implemented"))
3849 (setq file (and data (mm-save-part data)))
3851 (with-current-buffer (mm-handle-buffer data)
3853 (insert "Content-Type: " (mm-handle-media-type data))
3854 (mml-insert-parameter-string (cdr (mm-handle-type data))
3857 (insert "Content-ID: " (message-make-message-id) "\n")
3858 (insert "Content-Transfer-Encoding: binary\n")
3861 (cdr (mm-make-handle nil
3862 `("message/external-body"
3863 (access-type . "LOCAL-FILE")
3865 (set-buffer gnus-summary-buffer)
3866 (gnus-article-edit-article
3869 (let ((mail-parse-charset (or gnus-article-charset
3870 ',gnus-newsgroup-charset))
3871 (mail-parse-ignored-charsets
3872 (or gnus-article-ignored-charsets
3873 ',gnus-newsgroup-ignored-charsets))
3874 (mbl mml-buffer-list))
3875 (setq mml-buffer-list nil)
3876 (insert-buffer gnus-original-article-buffer)
3877 (mime-to-mml ',handles)
3878 (setq gnus-article-mime-handles nil)
3879 (let ((mbl1 mml-buffer-list))
3880 (setq mml-buffer-list mbl)
3881 (set (make-local-variable 'mml-buffer-list) mbl1))
3882 ;; LOCAL argument of add-hook differs between GNU Emacs
3883 ;; and XEmacs. make-local-hook makes sure they are local.
3884 (make-local-hook 'kill-buffer-hook)
3885 (add-hook 'kill-buffer-hook 'mml-destroy-buffers t t)))
3886 `(lambda (no-highlight)
3887 (let ((mail-parse-charset (or gnus-article-charset
3888 ',gnus-newsgroup-charset))
3889 (message-options message-options)
3890 (message-options-set-recipient)
3891 (mail-parse-ignored-charsets
3892 (or gnus-article-ignored-charsets
3893 ',gnus-newsgroup-ignored-charsets)))
3895 (mml-destroy-buffers)
3896 (remove-hook 'kill-buffer-hook
3897 'mml-destroy-buffers t)
3898 (kill-local-variable 'mml-buffer-list))
3899 (gnus-summary-edit-article-done
3900 ,(or (mail-header-references gnus-current-headers) "")
3901 ,(gnus-group-read-only-p)
3902 ,gnus-summary-buffer no-highlight))))))
3904 (defun gnus-mime-delete-part ()
3905 "Delete the MIME part under point.
3906 Replace it with some information about the removed part."
3908 (gnus-article-check-buffer)
3909 (let* ((data (get-text-property (point) 'gnus-data))
3910 (handles gnus-article-mime-handles)
3914 (mail-decode-encoded-word-string (or (mm-handle-description data)
3917 (or (mail-content-type-get (mm-handle-disposition data) 'filename)
3919 (type (mm-handle-media-type data)))
3920 (if (mm-multiple-handles gnus-article-mime-handles)
3921 (error "This function is not implemented"))
3922 (with-current-buffer (mm-handle-buffer data)
3923 (let ((bsize (format "%s" (buffer-size))))
3927 "<#part type=text/plain nofile=yes disposition=attachment"
3928 " description=\"Deleted attachment (" bsize " Byte)\">"
3930 "| The following attachment has been deleted:\n"
3932 "| Type: " type "\n"
3933 "| Filename: " filename "\n"
3934 "| Size (encoded): " bsize " Byte\n"
3935 "| Description: " description "\n"
3939 (cdr (mm-make-handle nil `("text/plain"))))))
3940 (set-buffer gnus-summary-buffer)
3941 ;; FIXME: maybe some of the following code (borrowed from
3942 ;; `gnus-mime-save-part-and-strip') isn't necessary?
3943 (gnus-article-edit-article
3946 (let ((mail-parse-charset (or gnus-article-charset
3947 ',gnus-newsgroup-charset))
3948 (mail-parse-ignored-charsets
3949 (or gnus-article-ignored-charsets
3950 ',gnus-newsgroup-ignored-charsets))
3951 (mbl mml-buffer-list))
3952 (setq mml-buffer-list nil)
3953 (insert-buffer gnus-original-article-buffer)
3954 (mime-to-mml ',handles)
3955 (setq gnus-article-mime-handles nil)
3956 (let ((mbl1 mml-buffer-list))
3957 (setq mml-buffer-list mbl)
3958 (set (make-local-variable 'mml-buffer-list) mbl1))
3959 ;; LOCAL argument of add-hook differs between GNU Emacs
3960 ;; and XEmacs. make-local-hook makes sure they are local.
3961 (make-local-hook 'kill-buffer-hook)
3962 (add-hook 'kill-buffer-hook 'mml-destroy-buffers t t)))
3963 `(lambda (no-highlight)
3964 (let ((mail-parse-charset (or gnus-article-charset
3965 ',gnus-newsgroup-charset))
3966 (message-options message-options)
3967 (message-options-set-recipient)
3968 (mail-parse-ignored-charsets
3969 (or gnus-article-ignored-charsets
3970 ',gnus-newsgroup-ignored-charsets)))
3972 (mml-destroy-buffers)
3973 (remove-hook 'kill-buffer-hook
3974 'mml-destroy-buffers t)
3975 (kill-local-variable 'mml-buffer-list))
3976 (gnus-summary-edit-article-done
3977 ,(or (mail-header-references gnus-current-headers) "")
3978 ,(gnus-group-read-only-p)
3979 ,gnus-summary-buffer no-highlight))))
3980 ;; Not in `gnus-mime-save-part-and-strip':
3981 (gnus-article-edit-done)
3982 (gnus-summary-expand-window)
3983 (gnus-summary-show-article))
3985 (defun gnus-mime-save-part ()
3986 "Save the MIME part under point."
3988 (gnus-article-check-buffer)
3989 (let ((data (get-text-property (point) 'gnus-data)))
3991 (mm-save-part data))))
3993 (defun gnus-mime-pipe-part ()
3994 "Pipe the MIME part under point to a process."
3996 (gnus-article-check-buffer)
3997 (let ((data (get-text-property (point) 'gnus-data)))
3999 (mm-pipe-part data))))
4001 (defun gnus-mime-view-part ()
4002 "Interactively choose a viewing method for the MIME part under point."
4004 (gnus-article-check-buffer)
4005 (let ((data (get-text-property (point) 'gnus-data)))
4007 (setq gnus-article-mime-handles
4009 gnus-article-mime-handles (setq data (copy-sequence data))))
4010 (mm-interactively-view-part data))))
4012 (defun gnus-mime-view-part-as-type-internal ()
4013 (gnus-article-check-buffer)
4014 (let* ((name (mail-content-type-get
4015 (mm-handle-type (get-text-property (point) 'gnus-data))
4017 (def-type (and name (mm-default-file-encoding name))))
4018 (and def-type (cons def-type 0))))
4020 (defun gnus-mime-view-part-as-type (&optional mime-type)
4021 "Choose a MIME media type, and view the part as such."
4024 (setq mime-type (completing-read
4025 "View as MIME type: "
4026 (mapcar #'list (mailcap-mime-types))
4028 (gnus-mime-view-part-as-type-internal))))
4029 (gnus-article-check-buffer)
4030 (let ((handle (get-text-property (point) 'gnus-data)))
4033 (mm-make-handle (mm-handle-buffer handle)
4034 (cons mime-type (cdr (mm-handle-type handle)))
4035 (mm-handle-encoding handle)
4036 (mm-handle-undisplayer handle)
4037 (mm-handle-disposition handle)
4038 (mm-handle-description handle)
4040 (mm-handle-id handle)))
4041 (setq gnus-article-mime-handles
4042 (mm-merge-handles gnus-article-mime-handles handle))
4043 (gnus-mm-display-part handle))))
4046 (require 'jka-compr))
4048 ;; jka-compr.el uses a "sh -c" to direct stderr to err-file, but these days
4049 ;; emacs can do that itself.
4051 (defun gnus-mime-jka-compr-maybe-uncompress ()
4052 "Uncompress the current buffer if `auto-compression-mode' is enabled.
4053 The uncompress method used is derived from `buffer-file-name'."
4054 (when (and (fboundp 'jka-compr-installed-p)
4055 (jka-compr-installed-p))
4056 (let ((info (jka-compr-get-compression-info buffer-file-name)))
4058 (let ((basename (file-name-nondirectory buffer-file-name))
4059 (args (jka-compr-info-uncompress-args info))
4060 (prog (jka-compr-info-uncompress-program info))
4061 (message (jka-compr-info-uncompress-message info))
4062 (err-file (jka-compr-make-temp-name)))
4064 (message "%s %s..." message basename))
4066 (unless (memq (apply 'call-process-region
4067 (point-min) (point-max)
4069 t (list t err-file) nil
4071 jka-compr-acceptable-retval-list)
4072 (jka-compr-error prog args basename message err-file))
4073 (jka-compr-delete-temp-file err-file)))))))
4075 (defun gnus-mime-copy-part (&optional handle)
4076 "Put the MIME part under point into a new buffer.
4077 If `auto-compression-mode' is enabled, compressed files like .gz and .bz2
4080 (gnus-article-check-buffer)
4081 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4082 (contents (and handle (mm-get-part handle)))
4084 (file-name-nondirectory
4086 (mail-content-type-get (mm-handle-type handle) 'name)
4087 (mail-content-type-get (mm-handle-disposition handle)
4090 (buffer (and base (generate-new-buffer base))))
4092 (switch-to-buffer buffer)
4094 ;; We do it this way to make `normal-mode' set the appropriate mode.
4097 (setq buffer-file-name (expand-file-name base))
4098 (gnus-mime-jka-compr-maybe-uncompress)
4100 (setq buffer-file-name nil))
4101 (goto-char (point-min)))))
4103 (defun gnus-mime-print-part (&optional handle filename)
4104 "Print the MIME part under point."
4105 (interactive (list nil (ps-print-preprint current-prefix-arg)))
4106 (gnus-article-check-buffer)
4107 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4108 (contents (and handle (mm-get-part handle)))
4109 (file (mm-make-temp-file (expand-file-name "mm." mm-tmp-directory)))
4110 (printer (mailcap-mime-info (mm-handle-media-type handle) "print")))
4115 (mm-save-part-to-file handle file)
4116 (call-process shell-file-name nil
4117 (generate-new-buffer " *mm*")
4119 shell-command-switch
4121 printer file (mm-handle-type handle))))
4125 (gnus-print-buffer))
4126 (ps-despool filename)))))
4128 (defun gnus-mime-inline-part (&optional handle arg)
4129 "Insert the MIME part under point into the current buffer."
4130 (interactive (list nil current-prefix-arg))
4131 (gnus-article-check-buffer)
4132 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4137 (if (and (not arg) (mm-handle-undisplayer handle))
4138 (mm-remove-part handle)
4139 (setq contents (mm-get-part handle))
4142 (setq charset (or (mail-content-type-get
4143 (mm-handle-type handle) 'charset)
4144 gnus-newsgroup-charset)))
4146 (if (mm-handle-undisplayer handle)
4147 (mm-remove-part handle))
4150 gnus-summary-show-article-charset-alist))
4151 (mm-read-coding-system "Charset: ")))))
4153 (mm-insert-inline handle
4155 (setq charset (mm-charset-to-coding-system
4157 (not (eq charset 'ascii)))
4158 (mm-decode-coding-string contents charset)
4162 (defun gnus-mime-view-part-as-charset (&optional handle arg)
4163 "Insert the MIME part under point into the current buffer using the
4165 (interactive (list nil current-prefix-arg))
4166 (gnus-article-check-buffer)
4167 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4172 (if (mm-handle-undisplayer handle)
4173 (mm-remove-part handle))
4174 (let ((gnus-newsgroup-charset
4176 gnus-summary-show-article-charset-alist))
4177 (mm-read-coding-system "Charset: ")))
4178 (gnus-newsgroup-ignored-charsets 'gnus-all))
4179 (gnus-article-press-button)))))
4181 (defun gnus-mime-view-part-externally (&optional handle)
4182 "View the MIME part under point with an external viewer."
4184 (gnus-article-check-buffer)
4185 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4186 (mm-user-display-methods nil)
4187 (mm-inlined-types nil)
4188 (mail-parse-charset gnus-newsgroup-charset)
4189 (mail-parse-ignored-charsets
4190 (save-excursion (set-buffer gnus-summary-buffer)
4191 gnus-newsgroup-ignored-charsets)))
4193 (if (mm-handle-undisplayer handle)
4194 (mm-remove-part handle)
4195 (mm-display-part handle)))))
4197 (defun gnus-mime-view-part-internally (&optional handle)
4198 "View the MIME part under point with an internal viewer.
4199 If no internal viewer is available, use an external viewer."
4201 (gnus-article-check-buffer)
4202 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4203 (mm-inlined-types '(".*"))
4204 (mm-inline-large-images t)
4205 (mail-parse-charset gnus-newsgroup-charset)
4206 (mail-parse-ignored-charsets
4207 (save-excursion (set-buffer gnus-summary-buffer)
4208 gnus-newsgroup-ignored-charsets))
4211 (if (mm-handle-undisplayer handle)
4212 (mm-remove-part handle)
4213 (mm-display-part handle)))))
4215 (defun gnus-mime-action-on-part (&optional action)
4216 "Do something with the MIME attachment at \(point\)."
4218 (list (completing-read "Action: " gnus-mime-action-alist nil t)))
4219 (gnus-article-check-buffer)
4220 (let ((action-pair (assoc action gnus-mime-action-alist)))
4222 (funcall (cdr action-pair)))))
4224 (defun gnus-article-part-wrapper (n function)
4225 (save-current-buffer
4226 (set-buffer gnus-article-buffer)
4227 (when (> n (length gnus-article-mime-handle-alist))
4228 (error "No such part"))
4229 (gnus-article-goto-part n)
4230 (let ((handle (cdr (assq n gnus-article-mime-handle-alist))))
4231 (funcall function handle))))
4233 (defun gnus-article-pipe-part (n)
4234 "Pipe MIME part N, which is the numerical prefix."
4236 (gnus-article-part-wrapper n 'mm-pipe-part))
4238 (defun gnus-article-save-part (n)
4239 "Save MIME part N, which is the numerical prefix."
4241 (gnus-article-part-wrapper n 'mm-save-part))
4243 (defun gnus-article-interactively-view-part (n)
4244 "View MIME part N interactively, which is the numerical prefix."
4246 (gnus-article-part-wrapper n 'mm-interactively-view-part))
4248 (defun gnus-article-copy-part (n)
4249 "Copy MIME part N, which is the numerical prefix."
4251 (gnus-article-part-wrapper n 'gnus-mime-copy-part))
4253 (defun gnus-article-view-part-as-charset (n)
4254 "Copy MIME part N, which is the numerical prefix."
4256 (gnus-article-part-wrapper n 'gnus-mime-view-part-as-charset))
4258 (defun gnus-article-view-part-externally (n)
4259 "View MIME part N externally, which is the numerical prefix."
4261 (gnus-article-part-wrapper n 'gnus-mime-view-part-externally))
4263 (defun gnus-article-inline-part (n)
4264 "Inline MIME part N, which is the numerical prefix."
4266 (gnus-article-part-wrapper n 'gnus-mime-inline-part))
4268 (defun gnus-article-mime-match-handle-first (condition)
4270 (let ((alist gnus-article-mime-handle-alist) ihandle n)
4271 (while (setq ihandle (pop alist))
4273 ((functionp condition)
4274 (funcall condition (cdr ihandle)))
4275 ((eq condition 'undisplayed)
4276 (not (or (mm-handle-undisplayer (cdr ihandle))
4277 (equal (mm-handle-media-type (cdr ihandle))
4278 "multipart/alternative"))))
4279 ((eq condition 'undisplayed-alternative)
4280 (not (mm-handle-undisplayer (cdr ihandle))))
4282 (gnus-article-goto-part (car ihandle))
4283 (or (not n) (< (car ihandle) n)))
4284 (setq n (car ihandle))))
4288 (defun gnus-article-view-part (&optional n)
4289 "View MIME part N, which is the numerical prefix."
4291 (save-current-buffer
4292 (set-buffer gnus-article-buffer)
4293 (or (numberp n) (setq n (gnus-article-mime-match-handle-first
4294 gnus-article-mime-match-handle-function)))
4295 (when (> n (length gnus-article-mime-handle-alist))
4296 (error "No such part"))
4297 (let ((handle (cdr (assq n gnus-article-mime-handle-alist))))
4298 (when (gnus-article-goto-part n)
4299 (if (equal (car handle) "multipart/alternative")
4300 (gnus-article-press-button)
4301 (when (eq (gnus-mm-display-part handle) 'internal)
4302 (gnus-set-window-start)))))))
4304 (defsubst gnus-article-mime-total-parts ()
4305 (if (bufferp (car gnus-article-mime-handles))
4307 (1- (length gnus-article-mime-handles))))
4309 (defun gnus-mm-display-part (handle)
4310 "Display HANDLE and fix MIME button."
4311 (let ((id (get-text-property (point) 'gnus-part))
4316 (let ((window (selected-window))
4317 (mail-parse-charset gnus-newsgroup-charset)
4318 (mail-parse-ignored-charsets
4319 (if (gnus-buffer-live-p gnus-summary-buffer)
4321 (set-buffer gnus-summary-buffer)
4322 gnus-newsgroup-ignored-charsets)
4326 (let ((win (gnus-get-buffer-window (current-buffer) t))
4329 (select-window win))
4332 (if (mm-handle-displayed-p handle)
4333 ;; This will remove the part.
4334 (mm-display-part handle)
4336 (narrow-to-region (point)
4337 (if (eobp) (point) (1+ (point))))
4338 (mm-display-part handle)
4339 ;; We narrow to the part itself and
4340 ;; then call the treatment functions.
4341 (goto-char (point-min))
4343 (narrow-to-region (point) (point-max))
4346 (gnus-article-mime-total-parts)
4347 (mm-handle-media-type handle)))))
4348 (if (window-live-p window)
4349 (select-window window)))))
4352 (gnus-insert-mime-button
4353 handle id (list (mm-handle-displayed-p handle)))
4354 (goto-char point))))
4356 (defun gnus-article-goto-part (n)
4357 "Go to MIME part N."
4358 (gnus-goto-char (text-property-any (point-min) (point-max) 'gnus-part n)))
4360 (defun gnus-insert-mime-button (handle gnus-tmp-id &optional displayed)
4361 (let ((gnus-tmp-name
4362 (or (mail-content-type-get (mm-handle-type handle) 'name)
4363 (mail-content-type-get (mm-handle-disposition handle) 'filename)
4364 (mail-content-type-get (mm-handle-type handle) 'url)
4366 (gnus-tmp-type (mm-handle-media-type handle))
4367 (gnus-tmp-description
4368 (mail-decode-encoded-word-string (or (mm-handle-description handle)
4371 (if (if displayed (car displayed)
4372 (mm-handle-displayed-p handle))
4374 (gnus-tmp-length (with-current-buffer (mm-handle-buffer handle)
4376 gnus-tmp-type-long b e)
4377 (when (string-match ".*/" gnus-tmp-name)
4378 (setq gnus-tmp-name (replace-match "" t t gnus-tmp-name)))
4379 (setq gnus-tmp-type-long (concat gnus-tmp-type
4380 (and (not (equal gnus-tmp-name ""))
4381 (concat "; " gnus-tmp-name))))
4382 (unless (equal gnus-tmp-description "")
4383 (setq gnus-tmp-type-long (concat " --- " gnus-tmp-type-long)))
4388 gnus-mime-button-line-format gnus-mime-button-line-format-alist
4389 `(,@(gnus-local-map-property gnus-mime-button-map)
4390 gnus-callback gnus-mm-display-part
4391 gnus-part ,gnus-tmp-id
4392 article-type annotation
4395 ;; Exclude a newline.
4398 (widget-convert-button
4401 :action 'gnus-widget-press-button
4402 :button-keymap gnus-mime-button-map
4404 (lambda (widget/window &optional overlay pos)
4405 ;; Needed to properly clear the message due to a bug in
4406 ;; wid-edit (XEmacs only).
4407 (if (boundp 'help-echo-owns-message)
4408 (setq help-echo-owns-message t))
4410 "%S: %s the MIME part; %S: more options"
4411 (aref gnus-mouse-2 0)
4412 ;; XEmacs will get a single widget arg; Emacs 21 will get
4413 ;; window, overlay, position.
4414 (if (mm-handle-displayed-p
4416 (with-current-buffer (gnus-overlay-buffer overlay)
4417 (widget-get (widget-at (gnus-overlay-start overlay))
4419 (widget-get widget/window :mime-handle)))
4421 (aref gnus-down-mouse-3 0))))))
4423 (defun gnus-widget-press-button (elems el)
4424 (goto-char (widget-get elems :from))
4425 (gnus-article-press-button))
4427 (defvar gnus-displaying-mime nil)
4429 (defun gnus-display-mime (&optional ihandles)
4430 "Display the MIME parts."
4432 (save-selected-window
4433 (let ((window (get-buffer-window gnus-article-buffer))
4436 (select-window window)
4437 ;; We have to do this since selecting the window
4438 ;; may change the point. So we set the window point.
4439 (set-window-point window point)))
4440 (let* ((handles (or ihandles
4441 (mm-dissect-buffer nil gnus-article-loose-mime)
4442 (and gnus-article-emulate-mime
4444 buffer-read-only handle name type b e display)
4445 (when (and (not ihandles)
4446 (not gnus-displaying-mime))
4447 ;; Top-level call; we clean up.
4448 (when gnus-article-mime-handles
4449 (mm-destroy-parts gnus-article-mime-handles)
4450 (setq gnus-article-mime-handle-alist nil));; A trick.
4451 (setq gnus-article-mime-handles handles)
4452 ;; We allow users to glean info from the handles.
4453 (when gnus-article-mime-part-function
4454 (gnus-mime-part-function handles)))
4456 (or (not (stringp (car handles)))
4459 (when (and (not ihandles)
4460 (not gnus-displaying-mime))
4461 ;; Clean up for mime parts.
4463 (delete-region (point) (point-max)))
4464 (let ((gnus-displaying-mime t))
4465 (gnus-mime-display-part handles)))
4468 (narrow-to-region (point) (point-max))
4469 (gnus-treat-article nil 1 1)
4472 ;; Highlight the headers.
4476 (narrow-to-region (point-min) (point))
4477 (gnus-treat-article 'head))))))))
4479 (defvar gnus-mime-display-multipart-as-mixed nil)
4480 (defvar gnus-mime-display-multipart-alternative-as-mixed nil)
4481 (defvar gnus-mime-display-multipart-related-as-mixed nil)
4483 (defun gnus-mime-display-part (handle)
4486 ((not (stringp (car handle)))
4487 (gnus-mime-display-single handle))
4488 ;; User-defined multipart
4489 ((cdr (assoc (car handle) gnus-mime-multipart-functions))
4490 (funcall (cdr (assoc (car handle) gnus-mime-multipart-functions))
4492 ;; multipart/alternative
4493 ((and (equal (car handle) "multipart/alternative")
4494 (not (or gnus-mime-display-multipart-as-mixed
4495 gnus-mime-display-multipart-alternative-as-mixed)))
4496 (let ((id (1+ (length gnus-article-mime-handle-alist))))
4497 (push (cons id handle) gnus-article-mime-handle-alist)
4498 (gnus-mime-display-alternative (cdr handle) nil nil id)))
4499 ;; multipart/related
4500 ((and (equal (car handle) "multipart/related")
4501 (not (or gnus-mime-display-multipart-as-mixed
4502 gnus-mime-display-multipart-related-as-mixed)))
4503 ;;;!!!We should find the start part, but we just default
4504 ;;;!!!to the first part.
4505 ;;(gnus-mime-display-part (cadr handle))
4506 ;;;!!! Most multipart/related is an HTML message plus images.
4507 ;;;!!! Unfortunately we are unable to let W3 display those
4508 ;;;!!! included images, so we just display it as a mixed multipart.
4509 ;;(gnus-mime-display-mixed (cdr handle))
4510 ;;;!!! No, w3 can display everything just fine.
4511 (gnus-mime-display-part (cadr handle)))
4512 ((equal (car handle) "multipart/signed")
4513 (gnus-add-wash-type 'signed)
4514 (gnus-mime-display-security handle))
4515 ((equal (car handle) "multipart/encrypted")
4516 (gnus-add-wash-type 'encrypted)
4517 (gnus-mime-display-security handle))
4518 ;; Other multiparts are handled like multipart/mixed.
4520 (gnus-mime-display-mixed (cdr handle)))))
4522 (defun gnus-mime-part-function (handles)
4523 (if (stringp (car handles))
4524 (mapcar 'gnus-mime-part-function (cdr handles))
4525 (funcall gnus-article-mime-part-function handles)))
4527 (defun gnus-mime-display-mixed (handles)
4528 (mapcar 'gnus-mime-display-part handles))
4530 (defun gnus-mime-display-single (handle)
4531 (let ((type (mm-handle-media-type handle))
4532 (ignored gnus-ignored-mime-types)
4539 (when (string-match (pop ignored) type)
4540 (throw 'ignored nil)))
4541 (if (and (setq not-attachment
4542 (and (not (mm-inline-override-p handle))
4543 (or (not (mm-handle-disposition handle))
4544 (equal (car (mm-handle-disposition handle))
4546 (mm-attachment-override-p handle))))
4547 (mm-automatic-display-p handle)
4549 (mm-inlinable-p handle)
4550 (mm-inlined-p handle))
4551 (mm-automatic-external-display-p type)))
4553 (when (equal (mm-handle-media-supertype handle) "text")
4555 (let ((id (1+ (length gnus-article-mime-handle-alist)))
4557 (push (cons id handle) gnus-article-mime-handle-alist)
4558 (when (or (not display)
4559 (not (gnus-unbuttonized-mime-type-p type)))
4560 ;(gnus-article-insert-newline)
4561 (gnus-insert-mime-button
4562 handle id (list (or display (and not-attachment text))))
4563 (gnus-article-insert-newline)
4564 ;(gnus-article-insert-newline)
4565 ;; Remember modify the number of forward lines.
4573 (let ((mail-parse-charset gnus-newsgroup-charset)
4574 (mail-parse-ignored-charsets
4575 (save-excursion (condition-case ()
4576 (set-buffer gnus-summary-buffer)
4578 gnus-newsgroup-ignored-charsets)))
4579 (mm-display-part handle t))
4580 (goto-char (point-max)))
4581 ((and text not-attachment)
4585 (gnus-article-insert-newline)
4586 (mm-insert-inline handle (mm-get-part handle))
4587 (goto-char (point-max))))
4591 (narrow-to-region beg (point))
4594 (gnus-article-mime-total-parts)
4595 (mm-handle-media-type handle)))))))))
4597 (defun gnus-unbuttonized-mime-type-p (type)
4598 "Say whether TYPE is to be unbuttonized."
4599 (unless gnus-inhibit-mime-unbuttonizing
4601 (let ((types gnus-unbuttonized-mime-types))
4603 (when (string-match (pop types) type)
4604 (throw 'found t)))))
4606 (let ((types gnus-buttonized-mime-types))
4608 (when (string-match (pop types) type)
4609 (throw 'found t)))))))))
4611 (defun gnus-article-insert-newline ()
4612 "Insert a newline, but mark it as undeletable."
4613 (gnus-put-text-property
4614 (point) (progn (insert "\n") (point)) 'gnus-undeletable t))
4616 (defun gnus-mime-display-alternative (handles &optional preferred ibegend id)
4617 (let* ((preferred (or preferred (mm-preferred-alternative handles)))
4620 handle buffer-read-only from props begend not-pref)
4621 (save-window-excursion
4624 (narrow-to-region (car ibegend)
4627 (goto-char (car ibegend))
4630 (delete-region (point-min) (point-max))
4631 (mm-remove-parts handles))
4632 (setq begend (list (point-marker)))
4634 (unless (setq not-pref (cadr (member preferred ihandles)))
4635 (setq not-pref (car ihandles)))
4638 (not (gnus-unbuttonized-mime-type-p
4639 "multipart/alternative")))
4640 (gnus-add-text-properties
4643 (insert (format "%d. " id))
4647 (unless ,(not ibegend)
4648 (setq gnus-article-mime-handle-alist
4649 ',gnus-article-mime-handle-alist))
4650 (gnus-mime-display-alternative
4651 ',ihandles ',not-pref ',begend ,id))
4652 ,@(gnus-local-map-property gnus-mime-button-map)
4653 ,gnus-mouse-face-prop ,gnus-article-mouse-face
4654 face ,gnus-article-button-face
4657 (widget-convert-button 'link from (point)
4658 :action 'gnus-widget-press-button
4659 :button-keymap gnus-widget-button-keymap)
4661 (while (setq handle (pop handles))
4662 (gnus-add-text-properties
4665 (insert (format "(%c) %-18s"
4666 (if (equal handle preferred) ?* ? )
4667 (mm-handle-media-type handle)))
4671 (unless ,(not ibegend)
4672 (setq gnus-article-mime-handle-alist
4673 ',gnus-article-mime-handle-alist))
4674 (gnus-mime-display-alternative
4675 ',ihandles ',handle ',begend ,id))
4676 ,@(gnus-local-map-property gnus-mime-button-map)
4677 ,gnus-mouse-face-prop ,gnus-article-mouse-face
4678 face ,gnus-article-button-face
4681 (widget-convert-button 'link from (point)
4682 :action 'gnus-widget-press-button
4683 :button-keymap gnus-widget-button-keymap)
4687 (if (stringp (car preferred))
4688 (gnus-display-mime preferred)
4689 (let ((mail-parse-charset gnus-newsgroup-charset)
4690 (mail-parse-ignored-charsets
4691 (save-excursion (set-buffer gnus-summary-buffer)
4692 gnus-newsgroup-ignored-charsets)))
4693 (mm-display-part preferred)
4697 (narrow-to-region (car begend) (point-max))
4699 nil (length gnus-article-mime-handle-alist)
4700 (gnus-article-mime-total-parts)
4701 (mm-handle-media-type handle))))))
4702 (goto-char (point-max))
4703 (setcdr begend (point-marker)))))
4705 (goto-char point))))
4707 (defconst gnus-article-wash-status-strings
4708 (let ((alist '((cite "c" "Possible hidden citation text"
4709 " " "All citation text visible")
4710 (headers "h" "Hidden headers"
4711 " " "All headers visible.")
4712 (pgp "p" "Encrypted or signed message status hidden"
4713 " " "No hidden encryption nor digital signature status")
4714 (signature "s" "Signature has been hidden"
4715 " " "Signature is visible")
4716 (overstrike "o" "Overstrike (^H) characters applied"
4717 " " "No overstrike characters applied")
4718 (emphasis "e" "/*_Emphasis_*/ characters applied"
4719 " " "No /*_emphasis_*/ characters applied")))
4721 (dolist (entry alist result)
4722 (let ((key (nth 0 entry))
4723 (on (copy-sequence (nth 1 entry)))
4724 (on-help (nth 2 entry))
4725 (off (copy-sequence (nth 3 entry)))
4726 (off-help (nth 4 entry)))
4727 (put-text-property 0 1 'help-echo on-help on)
4728 (put-text-property 0 1 'help-echo off-help off)
4729 (push (list key on off) result))))
4730 "Alist of strings describing wash status in the mode line.
4731 Each entry has the form (KEY ON OF), where the KEY is a symbol
4732 representing the particular washing function, ON is the string to use
4733 in the article mode line when the washing function is active, and OFF
4734 is the string to use when it is inactive.")
4736 (defun gnus-article-wash-status-entry (key value)
4737 (let ((entry (assoc key gnus-article-wash-status-strings)))
4738 (if value (nth 1 entry) (nth 2 entry))))
4740 (defun gnus-article-wash-status ()
4741 "Return a string which display status of article washing."
4743 (set-buffer gnus-article-buffer)
4744 (let ((cite (memq 'cite gnus-article-wash-types))
4745 (headers (memq 'headers gnus-article-wash-types))
4746 (boring (memq 'boring-headers gnus-article-wash-types))
4747 (pgp (memq 'pgp gnus-article-wash-types))
4748 (pem (memq 'pem gnus-article-wash-types))
4749 (signed (memq 'signed gnus-article-wash-types))
4750 (encrypted (memq 'encrypted gnus-article-wash-types))
4751 (signature (memq 'signature gnus-article-wash-types))
4752 (overstrike (memq 'overstrike gnus-article-wash-types))
4753 (emphasis (memq 'emphasis gnus-article-wash-types)))
4755 (gnus-article-wash-status-entry 'cite cite)
4756 (gnus-article-wash-status-entry 'headers (or headers boring))
4757 (gnus-article-wash-status-entry 'pgp (or pgp pem signed encrypted))
4758 (gnus-article-wash-status-entry 'signature signature)
4759 (gnus-article-wash-status-entry 'overstrike overstrike)
4760 (gnus-article-wash-status-entry 'emphasis emphasis)))))
4762 (defun gnus-add-wash-type (type)
4763 "Add a washing of TYPE to the current status."
4764 (add-to-list 'gnus-article-wash-types type))
4766 (defun gnus-delete-wash-type (type)
4767 "Add a washing of TYPE to the current status."
4768 (setq gnus-article-wash-types (delq type gnus-article-wash-types)))
4770 (defun gnus-add-image (category image)
4771 "Add IMAGE of CATEGORY to the list of displayed images."
4772 (let ((entry (assq category gnus-article-image-alist)))
4774 (setq entry (list category))
4775 (push entry gnus-article-image-alist))
4776 (nconc entry (list image))))
4778 (defun gnus-delete-images (category)
4779 "Delete all images in CATEGORY."
4780 (let ((entry (assq category gnus-article-image-alist)))
4781 (dolist (image (cdr entry))
4782 (gnus-remove-image image))
4783 (setq gnus-article-image-alist (delq entry gnus-article-image-alist))
4784 (gnus-delete-wash-type category)))
4786 (defalias 'gnus-article-hide-headers-if-wanted 'gnus-article-maybe-hide-headers)
4788 (defun gnus-article-maybe-hide-headers ()
4789 "Hide unwanted headers if `gnus-have-all-headers' is nil.
4790 Provided for backwards compatibility."
4791 (when (and (or (not (gnus-buffer-live-p gnus-summary-buffer))
4792 (not (save-excursion (set-buffer gnus-summary-buffer)
4793 gnus-have-all-headers)))
4794 (not gnus-inhibit-hiding))
4795 (gnus-article-hide-headers)))
4799 (defun gnus-output-to-file (file-name)
4800 "Append the current article to a file named FILE-NAME."
4801 (let ((artbuf (current-buffer)))
4803 (insert-buffer-substring artbuf)
4804 ;; Append newline at end of the buffer as separator, and then
4806 (goto-char (point-max))
4808 (let ((file-name-coding-system nnmail-pathname-coding-system))
4809 (mm-append-to-file (point-min) (point-max) file-name))
4812 (defun gnus-narrow-to-page (&optional arg)
4813 "Narrow the article buffer to a page.
4814 If given a numerical ARG, move forward ARG pages."
4816 (setq arg (if arg (prefix-numeric-value arg) 0))
4818 (set-buffer gnus-article-buffer)
4819 (goto-char (point-min))
4821 ;; Remove any old next/prev buttons.
4822 (when (gnus-visual-p 'page-marker)
4823 (let ((buffer-read-only nil))
4824 (gnus-remove-text-with-property 'gnus-prev)
4825 (gnus-remove-text-with-property 'gnus-next)))
4828 (re-search-backward page-delimiter nil 'move (1+ (abs arg))))
4830 (re-search-forward page-delimiter nil 'move arg)))
4831 (goto-char (match-end 0)))
4834 (if (re-search-forward page-delimiter nil 'move)
4837 (when (and (gnus-visual-p 'page-marker)
4838 (not (= (point-min) 1)))
4840 (goto-char (point-min))
4841 (gnus-insert-prev-page-button)))
4842 (when (and (gnus-visual-p 'page-marker)
4843 (< (+ (point-max) 2) (buffer-size)))
4845 (goto-char (point-max))
4846 (gnus-insert-next-page-button)))))
4848 ;; Article mode commands
4850 (defun gnus-article-goto-next-page ()
4851 "Show the next page of the article."
4853 (gnus-eval-in-buffer-window gnus-summary-buffer
4854 (gnus-summary-next-page)))
4856 (defun gnus-article-goto-prev-page ()
4857 "Show the next page of the article."
4859 (gnus-eval-in-buffer-window gnus-summary-buffer
4860 (gnus-summary-prev-page)))
4862 (defun gnus-article-next-page (&optional lines)
4863 "Show the next page of the current article.
4864 If end of article, return non-nil. Otherwise return nil.
4865 Argument LINES specifies lines to be scrolled up."
4867 (move-to-window-line -1)
4870 (and (pos-visible-in-window-p) ;Not continuation line.
4871 (>= (1+ (point)) (point-max)))) ;Allow for trailing newline.
4872 ;; Nothing in this page.
4873 (if (or (not gnus-page-broken)
4876 (widen) (forward-line 1) (eobp)))) ;Real end-of-buffer?
4878 (gnus-narrow-to-page 1) ;Go to next page.
4880 ;; More in this page.
4881 (let ((scroll-in-place nil))
4885 ;; Long lines may cause an end-of-buffer error.
4886 (goto-char (point-max)))))
4887 (move-to-window-line 0)
4890 (defun gnus-article-prev-page (&optional lines)
4891 "Show previous page of current article.
4892 Argument LINES specifies lines to be scrolled down."
4894 (move-to-window-line 0)
4895 (if (and gnus-page-broken
4897 (not (save-restriction (widen) (bobp)))) ;Real beginning-of-buffer?
4899 (gnus-narrow-to-page -1) ;Go to previous page.
4900 (goto-char (point-max))
4902 (let ((scroll-in-place nil))
4906 (beginning-of-buffer
4907 (goto-char (point-min))))
4908 (move-to-window-line 0)))))
4910 (defun gnus-article-only-boring-p ()
4911 "Decide whether there is only boring text remaining in the article.
4912 Something \"interesting\" is a word of at least two letters that does
4913 not have a face in `gnus-article-boring-faces'."
4914 (when (and gnus-article-skip-boring
4915 (boundp 'gnus-article-boring-faces)
4916 (symbol-value 'gnus-article-boring-faces))
4919 (while (re-search-forward "\\b\\w\\w" nil t)
4921 (when (not (gnus-intersection
4922 (gnus-faces-at (point))
4923 (symbol-value 'gnus-article-boring-faces)))
4924 (throw 'only-boring nil)))
4925 (throw 'only-boring t)))))
4927 (defun gnus-article-refer-article ()
4928 "Read article specified by message-id around point."
4931 (re-search-backward "[ \t]\\|^" (gnus-point-at-bol) t)
4932 (re-search-forward "<?news:<?\\|<" (gnus-point-at-eol) t)
4933 (if (re-search-forward "[^@ ]+@[^ \t>]+" (gnus-point-at-eol) t)
4934 (let ((msg-id (concat "<" (match-string 0) ">")))
4935 (set-buffer gnus-summary-buffer)
4936 (gnus-summary-refer-article msg-id))
4937 (error "No references around point"))))
4939 (defun gnus-article-show-summary ()
4940 "Reconfigure windows to show summary buffer."
4942 (if (not (gnus-buffer-live-p gnus-summary-buffer))
4943 (error "There is no summary buffer for this article buffer")
4944 (gnus-article-set-globals)
4945 (gnus-configure-windows 'article)
4946 (gnus-summary-goto-subject gnus-current-article)
4947 (gnus-summary-position-point)))
4949 (defun gnus-article-describe-briefly ()
4950 "Describe article mode commands briefly."
4952 (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")))
4954 (defun gnus-article-summary-command ()
4955 "Execute the last keystroke in the summary buffer."
4957 (let ((obuf (current-buffer))
4958 (owin (current-window-configuration))
4960 (switch-to-buffer gnus-article-current-summary 'norecord)
4961 (setq func (lookup-key (current-local-map) (this-command-keys)))
4962 (call-interactively func)
4964 (set-window-configuration owin)
4965 (set-window-point (get-buffer-window (current-buffer)) (point))))
4967 (defun gnus-article-summary-command-nosave ()
4968 "Execute the last keystroke in the summary buffer."
4971 (pop-to-buffer gnus-article-current-summary 'norecord)
4972 (setq func (lookup-key (current-local-map) (this-command-keys)))
4973 (call-interactively func)))
4975 (defun gnus-article-check-buffer ()
4976 "Beep if not in an article buffer."
4977 (unless (equal major-mode 'gnus-article-mode)
4978 (error "Command invoked outside of a Gnus article buffer")))
4980 (defun gnus-article-read-summary-keys (&optional arg key not-restore-window)
4981 "Read a summary buffer key sequence and execute it from the article buffer."
4983 (gnus-article-check-buffer)
4985 '("q" "Q" "c" "r" "\C-c\C-f" "m" "a" "f"
4986 "Zc" "ZC" "ZE" "ZQ" "ZZ" "Zn" "ZR" "ZG" "ZN" "ZP"
4987 "=" "^" "\M-^" "|"))
4993 '("n" "Gn" "p" "Gp"))
4996 (set-buffer gnus-article-current-summary)
4997 (let (gnus-pick-mode)
4998 (push (or key last-command-event) unread-command-events)
4999 (setq keys (if (featurep 'xemacs)
5000 (events-to-keys (read-key-sequence nil))
5001 (read-key-sequence nil)))))
5005 (if (or (member keys nosaves)
5006 (member keys nosave-but-article)
5007 (member keys nosave-in-article))
5009 (save-window-excursion
5010 (pop-to-buffer gnus-article-current-summary 'norecord)
5011 ;; We disable the pick minor mode commands.
5012 (let (gnus-pick-mode)
5013 (setq func (lookup-key (current-local-map) keys))))
5017 (unless (member keys nosave-in-article)
5018 (set-buffer gnus-article-current-summary))
5019 (call-interactively func)
5020 (setq new-sum-point (point)))
5021 (when (member keys nosave-but-article)
5022 (pop-to-buffer gnus-article-buffer 'norecord)))
5023 ;; These commands should restore window configuration.
5024 (let ((obuf (current-buffer))
5025 (owin (current-window-configuration))
5027 (summary gnus-article-current-summary)
5028 func in-buffer selected)
5029 (if not-restore-window
5030 (pop-to-buffer summary 'norecord)
5031 (switch-to-buffer summary 'norecord))
5032 (setq in-buffer (current-buffer))
5033 ;; We disable the pick minor mode commands.
5034 (if (and (setq func (let (gnus-pick-mode)
5035 (lookup-key (current-local-map) keys)))
5038 (call-interactively func)
5039 (setq new-sum-point (point))
5040 (when (eq in-buffer (current-buffer))
5041 (setq selected (gnus-summary-select-article))
5043 (unless not-restore-window
5044 (set-window-configuration owin))
5045 (when (eq selected 'old)
5047 (set-window-start (get-buffer-window (current-buffer))
5049 (set-window-point (get-buffer-window (current-buffer))
5051 (let ((win (get-buffer-window gnus-article-current-summary)))
5053 (set-window-point win new-sum-point)))) )
5054 (switch-to-buffer gnus-article-buffer)
5057 (defun gnus-article-describe-key (key)
5058 "Display documentation of the function invoked by KEY. KEY is a string."
5059 (interactive "kDescribe key: ")
5060 (gnus-article-check-buffer)
5061 (if (eq (key-binding key) 'gnus-article-read-summary-keys)
5063 (set-buffer gnus-article-current-summary)
5064 (let (gnus-pick-mode)
5065 (if (featurep 'xemacs)
5067 (push (elt key 0) unread-command-events)
5068 (setq key (events-to-keys
5069 (read-key-sequence "Describe key: "))))
5070 (setq unread-command-events
5072 (lambda (x) (if (>= x 128) (list 'meta (- x 128)) x))
5073 (string-to-list key)))
5074 (setq key (read-key-sequence "Describe key: "))))
5076 (describe-key key)))
5078 (defun gnus-article-describe-key-briefly (key &optional insert)
5079 "Display documentation of the function invoked by KEY. KEY is a string."
5080 (interactive "kDescribe key: \nP")
5081 (gnus-article-check-buffer)
5082 (if (eq (key-binding key) 'gnus-article-read-summary-keys)
5084 (set-buffer gnus-article-current-summary)
5085 (let (gnus-pick-mode)
5086 (if (featurep 'xemacs)
5088 (push (elt key 0) unread-command-events)
5089 (setq key (events-to-keys
5090 (read-key-sequence "Describe key: "))))
5091 (setq unread-command-events
5093 (lambda (x) (if (>= x 128) (list 'meta (- x 128)) x))
5094 (string-to-list key)))
5095 (setq key (read-key-sequence "Describe key: "))))
5096 (describe-key-briefly key insert))
5097 (describe-key-briefly key insert)))
5099 (defun gnus-article-reply-with-original (&optional wide)
5100 "Start composing a reply mail to the current message.
5101 The text in the region will be yanked. If the region isn't active,
5102 the entire article will be yanked."
5104 (let ((article (cdr gnus-article-current))
5106 (if (not (gnus-mark-active-p))
5107 (with-current-buffer gnus-summary-buffer
5108 (gnus-summary-reply (list (list article)) wide))
5109 (setq contents (buffer-substring (point) (mark t)))
5110 ;; Deactivate active regions.
5111 (when (and (boundp 'transient-mark-mode)
5112 transient-mark-mode)
5113 (setq mark-active nil))
5114 (with-current-buffer gnus-summary-buffer
5116 (list (list article contents)) wide)))))
5118 (defun gnus-article-followup-with-original ()
5119 "Compose a followup to the current article.
5120 The text in the region will be yanked. If the region isn't active,
5121 the entire article will be yanked."
5123 (let ((article (cdr gnus-article-current))
5125 (if (not (gnus-mark-active-p))
5126 (with-current-buffer gnus-summary-buffer
5127 (gnus-summary-followup (list (list article))))
5128 (setq contents (buffer-substring (point) (mark t)))
5129 ;; Deactivate active regions.
5130 (when (and (boundp 'transient-mark-mode)
5131 transient-mark-mode)
5132 (setq mark-active nil))
5133 (with-current-buffer gnus-summary-buffer
5134 (gnus-summary-followup
5135 (list (list article contents)))))))
5137 (defun gnus-article-hide (&optional arg force)
5138 "Hide all the gruft in the current article.
5139 This means that signatures, cited text and (some) headers will be
5141 If given a prefix, show the hidden text instead."
5142 (interactive (append (gnus-article-hidden-arg) (list 'force)))
5143 (gnus-article-hide-headers arg)
5144 (gnus-article-hide-list-identifiers arg)
5145 (gnus-article-hide-citation-maybe arg force)
5146 (gnus-article-hide-signature arg))
5148 (defun gnus-article-maybe-highlight ()
5149 "Do some article highlighting if article highlighting is requested."
5150 (when (gnus-visual-p 'article-highlight 'highlight)
5151 (gnus-article-highlight-some)))
5153 (defun gnus-check-group-server ()
5154 ;; Make sure the connection to the server is alive.
5155 (unless (gnus-server-opened
5156 (gnus-find-method-for-group gnus-newsgroup-name))
5157 (gnus-check-server (gnus-find-method-for-group gnus-newsgroup-name))
5158 (gnus-request-group gnus-newsgroup-name t)))
5161 (autoload 'nneething-get-file-name "nneething"))
5163 (defun gnus-request-article-this-buffer (article group)
5164 "Get an article and insert it into this buffer."
5165 (let (do-update-line sparse-header)
5169 (gnus-kill-all-overlays)
5170 (setq group (or group gnus-newsgroup-name))
5172 ;; Using `gnus-request-article' directly will insert the article into
5173 ;; `nntp-server-buffer' - so we'll save some time by not having to
5174 ;; copy it from the server buffer into the article buffer.
5176 ;; We only request an article by message-id when we do not have the
5177 ;; headers for it, so we'll have to get those.
5178 (when (stringp article)
5179 (gnus-read-header article))
5181 ;; If the article number is negative, that means that this article
5182 ;; doesn't belong in this newsgroup (possibly), so we find its
5183 ;; message-id and request it by id instead of number.
5184 (when (and (numberp article)
5186 (get-buffer gnus-summary-buffer)
5187 (gnus-buffer-exists-p gnus-summary-buffer))
5189 (set-buffer gnus-summary-buffer)
5190 (let ((header (gnus-summary-article-header article)))
5193 ((memq article gnus-newsgroup-sparse)
5194 ;; This is a sparse gap article.
5195 (setq do-update-line article)
5196 (setq article (mail-header-id header))
5197 (setq sparse-header (gnus-read-header article))
5198 (setq gnus-newsgroup-sparse
5199 (delq article gnus-newsgroup-sparse)))
5201 ;; It's a real article.
5202 (setq article (mail-header-id header)))
5204 ;; It is an extracted pseudo-article.
5205 (setq article 'pseudo)
5206 (gnus-request-pseudo-article header))))
5208 (let ((method (gnus-find-method-for-group
5209 gnus-newsgroup-name)))
5210 (when (and (eq (car method) 'nneething)
5212 (let ((dir (nneething-get-file-name
5213 (mail-header-id header))))
5214 (when (and (stringp dir)
5215 (file-directory-p dir))
5216 (setq article 'nneething)
5217 (gnus-group-enter-directory dir))))))))
5220 ;; Refuse to select canceled articles.
5221 ((and (numberp article)
5223 (get-buffer gnus-summary-buffer)
5224 (gnus-buffer-exists-p gnus-summary-buffer)
5225 (eq (cdr (save-excursion
5226 (set-buffer gnus-summary-buffer)
5227 (assq article gnus-newsgroup-reads)))
5228 gnus-canceled-mark))
5230 ;; We first check `gnus-original-article-buffer'.
5231 ((and (get-buffer gnus-original-article-buffer)
5234 (set-buffer gnus-original-article-buffer)
5235 (and (equal (car gnus-original-article) group)
5236 (eq (cdr gnus-original-article) article))))
5237 (insert-buffer-substring gnus-original-article-buffer)
5239 ;; Check the backlog.
5240 ((and gnus-keep-backlog
5241 (gnus-backlog-request-article group article (current-buffer)))
5243 ;; Check asynchronous pre-fetch.
5244 ((gnus-async-request-fetched-article group article (current-buffer))
5245 (gnus-async-prefetch-next group article gnus-summary-buffer)
5246 (when (and (numberp article) gnus-keep-backlog)
5247 (gnus-backlog-enter-article group article (current-buffer)))
5250 ((and gnus-use-cache
5252 (gnus-cache-request-article article group))
5254 ;; Check the agent cache.
5255 ((gnus-agent-request-article article group)
5257 ;; Get the article and put into the article buffer.
5258 ((or (stringp article)
5260 (let ((gnus-override-method gnus-override-method)
5261 (methods (and (stringp article)
5262 gnus-refer-article-method))
5263 (backend (car (gnus-find-method-for-group
5264 gnus-newsgroup-name)))
5266 (buffer-read-only nil))
5267 (if (or (not (listp methods))
5268 (and (symbolp (car methods))
5269 (assq (car methods) nnoo-definition-alist)))
5270 (setq methods (list methods)))
5271 (when (and (null gnus-override-method)
5273 (setq gnus-override-method (pop methods)))
5275 (when (eq gnus-override-method 'current)
5276 (setq gnus-override-method
5277 (with-current-buffer gnus-summary-buffer
5278 gnus-current-select-method)))
5280 (gnus-kill-all-overlays)
5281 (let ((gnus-newsgroup-name group))
5282 (gnus-check-group-server))
5284 ((gnus-request-article article group (current-buffer))
5285 (when (numberp article)
5286 (gnus-async-prefetch-next group article
5287 gnus-summary-buffer)
5288 (when gnus-keep-backlog
5289 (gnus-backlog-enter-article
5290 group article (current-buffer))))
5291 (setq result 'article))
5293 (setq gnus-override-method (pop methods)))
5294 ((not (string-match "^400 "
5295 (nnheader-get-report backend)))
5296 ;; If we get 400 server disconnect, reconnect and
5297 ;; retry; otherwise, assume the article has expired.
5298 (setq result 'done))))
5299 (and (eq result 'article) 'article)))
5303 ;; Associate this article with the current summary buffer.
5304 (setq gnus-article-current-summary gnus-summary-buffer)
5306 ;; Take the article from the original article buffer
5307 ;; and place it in the buffer it's supposed to be in.
5308 (when (and (get-buffer gnus-article-buffer)
5309 (equal (buffer-name (current-buffer))
5310 (buffer-name (get-buffer gnus-article-buffer))))
5312 (if (get-buffer gnus-original-article-buffer)
5313 (set-buffer gnus-original-article-buffer)
5314 (set-buffer (gnus-get-buffer-create gnus-original-article-buffer))
5315 (buffer-disable-undo)
5316 (setq major-mode 'gnus-original-article-mode)
5317 (setq buffer-read-only t))
5318 (let (buffer-read-only)
5320 (insert-buffer-substring gnus-article-buffer))
5321 (setq gnus-original-article (cons group article)))
5324 (run-hooks 'gnus-article-decode-hook)
5325 ;; Mark article as decoded or not.
5326 (setq gnus-article-decoded-p gnus-article-decode-hook))
5328 ;; Update sparse articles.
5329 (when (and do-update-line
5330 (or (numberp article)
5332 (let ((buf (current-buffer)))
5333 (set-buffer gnus-summary-buffer)
5334 (gnus-summary-update-article do-update-line sparse-header)
5335 (gnus-summary-goto-subject do-update-line nil t)
5336 (set-window-point (gnus-get-buffer-window (current-buffer) t)
5338 (set-buffer buf))))))
5344 (defcustom gnus-article-edit-mode-hook nil
5345 "Hook run in article edit mode buffers."
5346 :group 'gnus-article-various
5349 (defvar gnus-article-edit-done-function nil)
5351 (defvar gnus-article-edit-mode-map nil)
5352 (defvar gnus-article-edit-mode nil)
5354 ;; Should we be using derived.el for this?
5355 (unless gnus-article-edit-mode-map
5356 (setq gnus-article-edit-mode-map (make-keymap))
5357 (set-keymap-parent gnus-article-edit-mode-map text-mode-map)
5359 (gnus-define-keys gnus-article-edit-mode-map
5360 "\C-c?" describe-mode
5361 "\C-c\C-c" gnus-article-edit-done
5362 "\C-c\C-k" gnus-article-edit-exit
5363 "\C-c\C-f\C-t" message-goto-to
5364 "\C-c\C-f\C-o" message-goto-from
5365 "\C-c\C-f\C-b" message-goto-bcc
5366 ;;"\C-c\C-f\C-w" message-goto-fcc
5367 "\C-c\C-f\C-c" message-goto-cc
5368 "\C-c\C-f\C-s" message-goto-subject
5369 "\C-c\C-f\C-r" message-goto-reply-to
5370 "\C-c\C-f\C-n" message-goto-newsgroups
5371 "\C-c\C-f\C-d" message-goto-distribution
5372 "\C-c\C-f\C-f" message-goto-followup-to
5373 "\C-c\C-f\C-m" message-goto-mail-followup-to
5374 "\C-c\C-f\C-k" message-goto-keywords
5375 "\C-c\C-f\C-u" message-goto-summary
5376 "\C-c\C-f\C-i" message-insert-or-toggle-importance
5377 "\C-c\C-f\C-a" message-generate-unsubscribed-mail-followup-to
5378 "\C-c\C-b" message-goto-body
5379 "\C-c\C-i" message-goto-signature
5381 "\C-c\C-t" message-insert-to
5382 "\C-c\C-n" message-insert-newsgroups
5383 "\C-c\C-o" message-sort-headers
5384 "\C-c\C-e" message-elide-region
5385 "\C-c\C-v" message-delete-not-region
5386 "\C-c\C-z" message-kill-to-signature
5387 "\M-\r" message-newline-and-reformat
5388 "\C-c\C-a" mml-attach-file
5389 "\C-a" message-beginning-of-line
5391 "\M-;" comment-region)
5393 (gnus-define-keys (gnus-article-edit-wash-map
5394 "\C-c\C-w" gnus-article-edit-mode-map)
5395 "f" gnus-article-edit-full-stops))
5398 gnus-article-edit-mode-field-menu gnus-article-edit-mode-map ""
5400 ["Fetch To" message-insert-to t]
5401 ["Fetch Newsgroups" message-insert-newsgroups t]
5403 ["To" message-goto-to t]
5404 ["From" message-goto-from t]
5405 ["Subject" message-goto-subject t]
5406 ["Cc" message-goto-cc t]
5407 ["Reply-To" message-goto-reply-to t]
5408 ["Summary" message-goto-summary t]
5409 ["Keywords" message-goto-keywords t]
5410 ["Newsgroups" message-goto-newsgroups t]
5411 ["Followup-To" message-goto-followup-to t]
5412 ["Mail-Followup-To" message-goto-mail-followup-to t]
5413 ["Distribution" message-goto-distribution t]
5414 ["Body" message-goto-body t]
5415 ["Signature" message-goto-signature t]))
5417 (define-derived-mode gnus-article-edit-mode text-mode "Article Edit"
5418 "Major mode for editing articles.
5419 This is an extended text-mode.
5421 \\{gnus-article-edit-mode-map}"
5422 (make-local-variable 'gnus-article-edit-done-function)
5423 (make-local-variable 'gnus-prev-winconf)
5424 (set (make-local-variable 'font-lock-defaults)
5425 '(message-font-lock-keywords t))
5426 (set (make-local-variable 'mail-header-separator) "")
5427 (set (make-local-variable 'gnus-article-edit-mode) t)
5428 (easy-menu-add message-mode-field-menu message-mode-map)
5430 (setq buffer-read-only nil)
5431 (buffer-enable-undo)
5434 (defun gnus-article-edit (&optional force)
5435 "Edit the current article.
5436 This will have permanent effect only in mail groups.
5437 If FORCE is non-nil, allow editing of articles even in read-only
5440 (when (and (not force)
5441 (gnus-group-read-only-p))
5442 (error "The current newsgroup does not support article editing"))
5443 (gnus-article-date-original)
5444 (gnus-article-edit-article
5446 `(lambda (no-highlight)
5448 (gnus-summary-edit-article-done
5449 ,(or (mail-header-references gnus-current-headers) "")
5450 ,(gnus-group-read-only-p) ,gnus-summary-buffer no-highlight))))
5452 (defun gnus-article-edit-article (start-func exit-func)
5453 "Start editing the contents of the current article buffer."
5454 (let ((winconf (current-window-configuration)))
5455 (set-buffer gnus-article-buffer)
5456 (gnus-article-edit-mode)
5457 (funcall start-func)
5458 (set-buffer-modified-p nil)
5459 (gnus-configure-windows 'edit-article)
5460 (setq gnus-article-edit-done-function exit-func)
5461 (setq gnus-prev-winconf winconf)
5462 (gnus-message 6 "C-c C-c to end edits")))
5464 (defun gnus-article-edit-done (&optional arg)
5465 "Update the article edits and exit."
5467 (let ((func gnus-article-edit-done-function)
5468 (buf (current-buffer))
5469 (start (window-start))
5471 (winconf gnus-prev-winconf))
5472 (widen) ;; Widen it in case that users narrowed the buffer.
5475 ;; The cache and backlog have to be flushed somewhat.
5476 (when gnus-keep-backlog
5477 (gnus-backlog-remove-article
5478 (car gnus-article-current) (cdr gnus-article-current)))
5479 ;; Flush original article as well.
5481 (when (get-buffer gnus-original-article-buffer)
5482 (set-buffer gnus-original-article-buffer)
5483 (setq gnus-original-article nil)))
5484 (when gnus-use-cache
5485 (gnus-cache-update-article
5486 (car gnus-article-current) (cdr gnus-article-current)))
5487 ;; We remove all text props from the article buffer.
5488 (kill-all-local-variables)
5489 (gnus-set-text-properties (point-min) (point-max) nil)
5491 (set-window-configuration winconf)
5493 (set-window-start (get-buffer-window buf) start)
5494 (set-window-point (get-buffer-window buf) (point))))
5496 (defun gnus-article-edit-exit ()
5497 "Exit the article editing without updating."
5499 (when (or (not (buffer-modified-p))
5500 (yes-or-no-p "Article modified; kill anyway? "))
5501 (let ((curbuf (current-buffer))
5503 (window-start (window-start)))
5505 (if (gnus-buffer-live-p gnus-original-article-buffer)
5506 (insert-buffer gnus-original-article-buffer))
5507 (let ((winconf gnus-prev-winconf))
5508 (kill-all-local-variables)
5510 (set-window-configuration winconf)
5511 ;; Tippy-toe some to make sure that point remains where it was.
5512 (save-current-buffer
5514 (set-window-start (get-buffer-window (current-buffer)) window-start)
5517 (defun gnus-article-edit-full-stops ()
5518 "Interactively repair spacing at end of sentences."
5521 (goto-char (point-min))
5522 (search-forward-regexp "^$" nil t)
5523 (let ((case-fold-search nil))
5524 (query-replace-regexp "\\([.!?][])}]* \\)\\([[({A-Z]\\)" "\\1 \\2"))))
5527 ;;; Article highlights
5530 ;; Written by Per Abrahamsen <abraham@iesd.auc.dk>.
5532 ;;; Internal Variables:
5534 (defcustom gnus-button-url-regexp
5535 (if (string-match "[[:digit:]]" "1") ;; support POSIX?
5536 "\\b\\(\\(www\\.\\|\\(s?https?\\|ftp\\|file\\|gopher\\|news\\|telnet\\|wais\\|mailto\\|info\\):\\)\\(//[-a-z0-9_.]+:[0-9]*\\)?[-a-z0-9_=!?#$@~%&*+\\/:;.,[:word:]]+[-a-z0-9_=#$@~%&*+\\/[:word:]]\\)"
5537 "\\b\\(\\(www\\.\\|\\(s?https?\\|ftp\\|file\\|gopher\\|news\\|telnet\\|wais\\|mailto\\|info\\):\\)\\(//[-a-z0-9_.]+:[0-9]*\\)?\\([-a-z0-9_=!?#$@~%&*+\\/:;.,]\\|\\w\\)+\\([-a-z0-9_=#$@~%&*+\\/]\\|\\w\\)\\)")
5538 "Regular expression that matches URLs."
5539 :group 'gnus-article-buttons
5542 (defcustom gnus-button-valid-fqdn-regexp
5543 (concat "[a-z0-9][-.a-z0-9]+\\." ;; [hostname.subdomain.]domain.
5545 "\\([a-z][a-z]" ;; two letter country TDLs
5546 "\\|biz\\|com\\|edu\\|gov\\|int\\|mil\\|net\\|org"
5547 "\\|aero\\|coop\\|info\\|name\\|museum"
5548 "\\|arpa\\|pro\\|uucp\\|bitnet\\|bofh" ;; old style?
5550 "Regular expression that matches a valid FQDN."
5551 :group 'gnus-article-buttons
5554 (defcustom gnus-button-man-handler 'manual-entry
5555 "Function to use for displaying man pages.
5556 The function must take at least one argument with a string naming the
5558 :type '(choice (function-item :tag "Man" manual-entry)
5559 (function-item :tag "Woman" woman)
5560 (function :tag "Other"))
5561 :group 'gnus-article-buttons)
5563 (defcustom gnus-ctan-url "http://tug.ctan.org/tex-archive/"
5564 "Top directory of a CTAN \(Comprehensive TeX Archive Network\) archive.
5565 If the default site is too slow, try to find a CTAN mirror, see
5566 <URL:http://tug.ctan.org/tex-archive/CTAN.sites?action=/index.html>. See also
5567 the variable `gnus-button-handle-ctan'."
5568 :group 'gnus-article-buttons
5569 :link '(custom-manual "(gnus)Group Parameters")
5570 :type '(choice (const "http://www.tex.ac.uk/tex-archive/")
5571 (const "http://tug.ctan.org/tex-archive/")
5572 (const "http://www.dante.de/CTAN/")
5573 (string :tag "Other")))
5575 (defcustom gnus-button-ctan-handler 'browse-url
5576 "Function to use for displaying CTAN links.
5577 The function must take one argument, the string naming the URL."
5578 :type '(choice (function-item :tag "Browse Url" browse-url)
5579 (function :tag "Other"))
5580 :group 'gnus-article-buttons)
5582 (defcustom gnus-button-handle-ctan-bogus-regexp "^/?tex-archive/\\|^/"
5583 "Bogus strings removed from CTAN URLs."
5584 :group 'gnus-article-buttons
5585 :type '(choice (const "^/?tex-archive/\\|/")
5586 (regexp :tag "Other")))
5588 (defcustom gnus-button-mid-or-mail-regexp
5589 (concat "\\b\\(<?[a-z0-9][^<>\")!;:,{}\n\t ]*@"
5590 gnus-button-valid-fqdn-regexp
5592 "Regular expression that matches a message ID or a mail address."
5593 :group 'gnus-article-buttons
5596 (defcustom gnus-button-prefer-mid-or-mail 'gnus-button-mid-or-mail-heuristic
5597 "What to do when the button on a string as \"foo123@bar.invalid\" is pushed.
5598 Strings like this can be either a message ID or a mail address. If it is one
5599 of the symbols `mid' or `mail', Gnus will always assume that the string is a
5600 message ID or a mail address, respectivly. If this variable is set to the
5601 symbol `ask', always query the user what do do. If it is a function, this
5602 function will be called with the string as it's only argument. The function
5603 must return `mid', `mail', `invalid' or `ask'."
5604 :group 'gnus-article-buttons
5605 :type '(choice (function-item :tag "Heuristic function"
5606 gnus-button-mid-or-mail-heuristic)
5611 (defcustom gnus-button-mid-or-mail-heuristic-alist
5612 '((-10.0 . ".+\\$.+@")
5615 (-5.0 . "\\+[^+]*\\+.*@") ;; # two plus signs
5616 (-5.0 . "@[Nn][Ee][Ww][Ss]") ;; /\@news/i
5617 (-5.0 . "@.*[Dd][Ii][Aa][Ll][Uu][Pp]") ;; /\@.*dialup/i;
5618 (-1.0 . "^[^a-z]+@")
5620 (-5.0 . "\\.[0-9][0-9]+.*@") ;; "\.[0-9]{2,}.*\@"
5621 (-5.0 . "[a-z].*[A-Z].*[a-z].*[A-Z].*@") ;; "([a-z].*[A-Z].*){2,}\@"
5622 (-3.0 . "[A-Z][A-Z][a-z][a-z].*@")
5623 (-5.0 . "\\...?.?@") ;; (-5.0 . "\..{1,3}\@")
5626 (-1.0 . "^[0-9][0-9]")
5628 ;; -3.0 /^[0-9][0-9a-fA-F]{2,2}/;
5629 (-3.0 . "^[0-9][0-9a-fA-F][0-9a-fA-F][^0-9a-fA-F]")
5630 ;; -5.0 /^[0-9][0-9a-fA-F]{3,3}/;
5631 (-5.0 . "^[0-9][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][^0-9a-fA-F]")
5633 (-3.0 . "[0-9][0-9][0-9][0-9][0-9][^0-9].*@") ;; "[0-9]{5,}.*\@"
5634 (-3.0 . "[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][^0-9].*@")
5637 . "[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9].*@")
5639 ;; compensation for TDMA dated mail addresses:
5640 (25.0 . "-dated-[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]+.*@")
5642 (-20.0 . "\\.fsf@") ;; Gnus
5645 (-20.0 . "_-_") ;; Subject change in thread
5647 (-20.0 . "\\.ln@") ;; leafnode
5648 (-30.0 . "@ID-[0-9]+\\.[a-zA-Z]+\\.dfncis\\.de")
5649 (-30.0 . "@4[Aa][Xx]\\.com") ;; Forte Agent
5651 ;; (5.0 . "") ;; $local_part_len <= 7
5652 (10.0 . "^[^0-9]+@")
5653 (3.0 . "^[^0-9]+[0-9][0-9]?[0-9]?@")
5654 ;; ^[^0-9]+[0-9]{1,3}\@ digits only at end of local part
5657 (2.0 . "[a-z][a-z][._-][A-Z][a-z].*@")
5659 (0.5 . "^[A-Z][a-z]")
5660 (0.5 . "^[A-Z][a-z][a-z]")
5661 (1.5 . "^[A-Z][a-z][A-Z][a-z][^a-z]") ;; ^[A-Z][a-z]{3,3}
5662 (2.0 . "^[A-Z][a-z][A-Z][a-z][a-z][^a-z]")) ;; ^[A-Z][a-z]{4,4}
5663 "An alist of \(RATE . REGEXP\) pairs for `gnus-button-mid-or-mail-heuristic'.
5665 A negative RATE indicates a message IDs, whereas a positive indicates a mail
5666 address. The REGEXP is processed with `case-fold-search' set to `nil'."
5667 :group 'gnus-article-buttons
5668 :type '(repeat (cons (number :tag "Rate")
5669 (regexp :tag "Regexp"))))
5671 (defun gnus-button-mid-or-mail-heuristic (mid-or-mail)
5672 "Guess whether MID-OR-MAIL is a message ID or a mail address.
5673 Returns `mid' if MID-OR-MAIL is a message IDs, `mail' if it's a mail
5674 address, `ask' if unsure and `invalid' if the string is invalid."
5675 (let ((case-fold-search nil)
5676 (list gnus-button-mid-or-mail-heuristic-alist)
5677 (result 0) rate regexp lpartlen elem)
5679 (length (gnus-replace-in-string mid-or-mail "^\\(.*\\)@.*$" "\\1")))
5680 (gnus-message 8 "`%s', length of local part=`%s'." mid-or-mail lpartlen)
5681 ;; Certain special cases...
5684 "^0[0-9]+-[0-9][0-9][0-9][0-9]@t-online\\.de$" "\\|"
5685 "^[0-9]+\.[0-9]+\@compuserve")
5687 (gnus-message 8 "`%s' is a known mail address.")
5688 (setq result 'mail))
5689 (when (string-match "@.*@\\| " mid-or-mail)
5690 (gnus-message 8 "`%s' is invalid.")
5691 (setq result 'invalid))
5692 ;; Nothing more to do, if result is not a number here...
5693 (when (numberp result)
5695 (setq elem (car list)
5699 (when (string-match regexp mid-or-mail)
5700 (setq result (+ result rate))
5702 9 "`%s' matched `%s', rate `%s', result `%s'."
5703 mid-or-mail regexp rate result)))
5704 (when (<= lpartlen 7)
5705 (setq result (+ result 5.0))
5706 (gnus-message 9 "`%s' matched (<= lpartlen 7), result `%s'."
5707 mid-or-mail result))
5708 (when (>= lpartlen 12)
5709 (gnus-message 9 "`%s' matched (>= lpartlen 12)" mid-or-mail)
5711 ((string-match "[0-9][^0-9]+[0-9].*@" mid-or-mail)
5712 ;; Long local part should contain realname if e-mail address,
5713 ;; too many digits: message-id.
5714 ;; $score -= 5.0 + 0.1 * $local_part_len;
5715 (setq rate (* -1.0 (+ 5.0 (* 0.1 lpartlen))))
5716 (setq result (+ result rate))
5718 9 "Many digits in `%s', rate `%s', result `%s'."
5719 mid-or-mail rate result))
5720 ((string-match "[^aeiouy][^aeiouy][^aeiouy][^aeiouy]+.*\@"
5722 ;; Too few vowels [^aeiouy]{4,}.*\@
5723 (setq result (+ result -5.0))
5725 9 "Few vowels in `%s', rate `%s', result `%s'."
5726 mid-or-mail -5.0 result))
5728 (setq result (+ result 5.0))
5730 9 "`%s', rate `%s', result `%s'." mid-or-mail 5.0 result)))))
5731 (gnus-message 8 "`%s': Final rate is `%s'." mid-or-mail result)
5733 ;; Maybe we should make this a customizable alist: (condition . 'result)
5734 ((< result -10.0) 'mid)
5735 ((> result 10.0) 'mail)
5738 (defun gnus-button-handle-mid-or-mail (mid-or-mail)
5739 (let* ((pref gnus-button-prefer-mid-or-mail) guessed
5740 (url-mid (concat "news" ":" mid-or-mail))
5741 (url-mailto (concat "mailto" ":" mid-or-mail)))
5742 (gnus-message 9 "mid-or-mail=%s" mid-or-mail)
5743 (when (fboundp pref)
5745 ;; get rid of surrounding angles...
5747 (gnus-replace-in-string mid-or-mail "^<\\|>$" "")))
5748 (if (or (eq 'mid guessed) (eq 'mail guessed))
5752 (save-window-excursion
5753 (if (y-or-n-p (concat "Is <" mid-or-mail "> a mail address? "))
5756 (cond ((eq pref 'mid)
5757 (gnus-message 8 "calling `gnus-button-handle-news' %s" url-mid)
5758 (gnus-button-handle-news url-mid))
5760 (gnus-message 8 "calling `gnus-url-mailto' %s" url-mailto)
5761 (gnus-url-mailto url-mailto))
5762 (t (gnus-message 3 "Invalid string.")))))
5764 (defun gnus-button-handle-custom (url)
5765 "Follow a Custom URL."
5766 (customize-apropos (gnus-url-unhex-string url)))
5768 (defvar gnus-button-handle-describe-prefix "^\\(C-h\\|<?[Ff]1>?\\)")
5770 (defun gnus-button-handle-describe-function (url)
5771 "Call `describe-function' when pushing the corresponding URL button."
5774 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))))
5776 (defun gnus-button-handle-describe-variable (url)
5777 "Call `describe-variable' when pushing the corresponding URL button."
5780 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))))
5782 (defun gnus-button-handle-describe-key (url)
5783 "Call `describe-key' when pushing the corresponding URL button."
5785 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))
5786 (keys (ignore-errors (eval `(kbd ,key-string)))))
5789 (gnus-message 3 "Invalid key sequence in button: %s" key-string))))
5791 (defun gnus-button-handle-apropos (url)
5792 "Call `apropos' when pushing the corresponding URL button."
5793 (apropos (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
5795 (defun gnus-button-handle-apropos-command (url)
5796 "Call `apropos' when pushing the corresponding URL button."
5798 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
5800 (defun gnus-button-handle-apropos-variable (url)
5801 "Call `apropos' when pushing the corresponding URL button."
5803 (if (fboundp 'apropos-variable) 'apropos-variable 'apropos)
5804 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
5806 (defun gnus-button-handle-apropos-documentation (url)
5807 "Call `apropos' when pushing the corresponding URL button."
5809 (if (fboundp 'apropos-documentation) 'apropos-documentation 'apropos)
5810 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
5812 (defun gnus-button-handle-ctan (url)
5813 "Call `browse-url' when pushing a CTAN URL button."
5815 gnus-button-ctan-handler
5818 (gnus-replace-in-string url gnus-button-handle-ctan-bogus-regexp ""))))
5820 (defcustom gnus-button-tex-level 5
5821 "*Integer that says how many TeX-related buttons Gnus will show.
5822 The higher the number, the more buttons will appear and the more false
5823 positives are possible. Note that you can set this variable local to
5824 specifific groups. Setting it higher in TeX groups is probably a good idea.
5825 See Info node `(gnus)Group Parameters' and the variable `gnus-parameters' on
5826 how to set variables in specific groups."
5827 :group 'gnus-article-buttons
5828 :link '(custom-manual "(gnus)Group Parameters")
5831 (defcustom gnus-button-man-level 5
5832 "*Integer that says how many man-related buttons Gnus will show.
5833 The higher the number, the more buttons will appear and the more false
5834 positives are possible. Note that you can set this variable local to
5835 specifific groups. Setting it higher in Unix groups is probably a good idea.
5836 See Info node `(gnus)Group Parameters' and the variable `gnus-parameters' on
5837 how to set variables in specific groups."
5838 :group 'gnus-article-buttons
5839 :link '(custom-manual "(gnus)Group Parameters")
5842 (defcustom gnus-button-emacs-level 5
5843 "*Integer that says how many emacs-related buttons Gnus will show.
5844 The higher the number, the more buttons will appear and the more false
5845 positives are possible. Note that you can set this variable local to
5846 specifific groups. Setting it higher in Emacs or Gnus related groups is
5847 probably a good idea. See Info node `(gnus)Group Parameters' and the variable
5848 `gnus-parameters' on how to set variables in specific groups."
5849 :group 'gnus-article-buttons
5850 :link '(custom-manual "(gnus)Group Parameters")
5853 (defcustom gnus-button-mail-level 5
5854 "*Integer that says how many buttons for message IDs or mail addresses will appear.
5855 The higher the number, the more buttons will appear and the more false
5856 positives are possible."
5857 :group 'gnus-article-buttons
5860 (defcustom gnus-button-alist
5861 '(("<\\(url:[>\n\t ]*?\\)?\\(nntp\\|news\\):[>\n\t ]*\\([^>\n\t ]*@[^>\n\t ]*\\)>"
5862 0 t gnus-button-handle-news 3)
5863 ("\\b\\(nntp\\|news\\):\\([^>\n\t ]*@[^>)!;:,\n\t ]*\\)" 0 t
5864 gnus-button-handle-news 2)
5865 ("\\(\\b<\\(url:[>\n\t ]*\\)?news:[>\n\t ]*\\(//\\)?\\([^>\n\t ]*\\)>\\)"
5867 gnus-button-fetch-group 4)
5868 ("\\bnews:\\(//\\)?\\([^'\">\n\t ]+\\)" 0 t gnus-button-fetch-group 2)
5869 ("\\bin\\( +article\\| +message\\)? +\\(<\\([^\n @<>]+@[^\n @<>]+\\)>\\)" 2
5870 t gnus-button-message-id 3)
5871 ("\\(<URL: *\\)mailto: *\\([^> \n\t]+\\)>" 0 t gnus-url-mailto 2)
5872 ("mailto:\\([-a-z.@_+0-9%=?]+\\)" 0 t gnus-url-mailto 1)
5873 ("\\bmailto:\\([^ \n\t]+\\)" 0 t gnus-url-mailto 1)
5875 ("\\bCTAN:[ \t\n]*\\([^>)!;:,\n\t ]*\\)" 0 (>= gnus-button-tex-level 1)
5876 gnus-button-handle-ctan 1)
5878 ("\\binfo:\\(//\\)?\\([^'\">\n\t ]+\\)" 0
5879 (>= gnus-button-emacs-level 1) gnus-button-handle-info 2)
5881 ("\\bcustom:\\(//\\)?\\([^'\">\n\t ]+\\)" 0
5882 (>= gnus-button-emacs-level 5) gnus-button-handle-custom 2)
5883 ("M-x[ \t\n]customize-[^ ]+[ \t\n]RET[ \t\n]\\([^ ]+\\)[ \t\n]RET" 0
5884 (>= gnus-button-emacs-level 1) gnus-button-handle-custom 1)
5885 ;; Emacs help commands
5886 ("M-x[ \t\n]+apropos[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
5887 ;; regexp doesn't match arguments containing ` '.
5888 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos 1)
5889 ("M-x[ \t\n]+apropos-command[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
5890 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-command 1)
5891 ("M-x[ \t\n]+apropos-variable[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
5892 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-variable 1)
5893 ("M-x[ \t\n]+apropos-documentation[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
5894 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-documentation 1)
5895 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+f[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
5896 0 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-function 2)
5897 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+v[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
5898 0 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-variable 2)
5899 ("`\\(\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+k[ \t\n]+\\([^']+\\)\\)'" 1
5900 ;; Unlike the other regexps we really have to require quoting
5901 ;; here to determine where it ends.
5902 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-key 3)
5903 ;; This is how URLs _should_ be embedded in text...
5904 ("<URL: *\\([^<>]*\\)>" 1 t gnus-button-embedded-url 1)
5906 (gnus-button-url-regexp 0 t browse-url 0)
5908 ("\\b\\([a-z][a-z]+\\)([1-9])\\W" 0
5909 (and (>= gnus-button-man-level 1) (< gnus-button-man-level 3))
5910 gnus-button-handle-man 1)
5911 ;; more man pages: resolv.conf(5), iso_8859-1(7), xterm(1x)
5912 ("\\b\\([a-z][-_.a-z0-9]+\\)([1-9])\\W" 0
5913 (and (>= gnus-button-man-level 3) (< gnus-button-man-level 5))
5914 gnus-button-handle-man 1)
5915 ;; even more: Apache::PerlRun(3pm), PDL::IO::FastRaw(3pm),
5916 ;; SoWWWAnchor(3iv), XSelectInput(3X11)
5917 ("\\b\\([a-z][-_.:a-z0-9]+\\)([1-9][X1a-z]*)\\W" 0
5918 (>= gnus-button-man-level 5) gnus-button-handle-man 1)
5919 ;; MID or mail: To avoid too many false positives we don't try to catch
5920 ;; all kind of allowed MIDs or mail addresses. Domain part must contain
5921 ;; at least one dot. TLD must contain two or three chars or be a know TLD
5922 ;; (info|name|...). Put this entry near the _end_ of `gnus-button-alist'
5923 ;; so that non-ambiguous entries (see above) match first.
5924 (gnus-button-mid-or-mail-regexp
5925 0 (>= gnus-button-mail-level 5) gnus-button-handle-mid-or-mail 1))
5926 "*Alist of regexps matching buttons in article bodies.
5928 Each entry has the form (REGEXP BUTTON FORM CALLBACK PAR...), where
5929 REGEXP: is the string (case insensitive) matching text around the button (can
5930 also be lisp expression evaluating to a string),
5931 BUTTON: is the number of the regexp grouping actually matching the button,
5932 FORM: is a lisp expression which must eval to true for the button to
5934 CALLBACK: is the function to call when the user push this button, and each
5935 PAR: is a number of a regexp grouping whose text will be passed to CALLBACK.
5937 CALLBACK can also be a variable, in that case the value of that
5938 variable it the real callback function."
5939 :group 'gnus-article-buttons
5940 :type '(repeat (list (choice regexp variable)
5941 (integer :tag "Button")
5943 (function :tag "Callback")
5946 (integer :tag "Regexp group")))))
5948 (defcustom gnus-header-button-alist
5949 '(("^\\(References\\|Message-I[Dd]\\):" "<[^<>]+>"
5950 0 t gnus-button-message-id 0)
5951 ("^\\(From\\|Reply-To\\):" ": *\\(.+\\)$" 1 t gnus-button-reply 1)
5952 ("^\\(Cc\\|To\\):" "[^ \t\n<>,()\"]+@[^ \t\n<>,()\"]+"
5953 0 t gnus-button-mailto 0)
5954 ("^X-[Uu][Rr][Ll]:" gnus-button-url-regexp 0 t browse-url 0)
5955 ("^Subject:" gnus-button-url-regexp 0 t browse-url 0)
5956 ("^[^:]+:" gnus-button-url-regexp 0 t browse-url 0)
5957 ("^[^:]+:" "\\bmailto:\\([-a-z.@_+0-9%=?]+\\)" 0 t gnus-url-mailto 1)
5958 ("^[^:]+:" "\\(<\\(url: \\)?news:\\([^>\n ]*\\)>\\)" 1 t
5959 gnus-button-message-id 3))
5960 "*Alist of headers and regexps to match buttons in article heads.
5962 This alist is very similar to `gnus-button-alist', except that each
5963 alist has an additional HEADER element first in each entry:
5965 \(HEADER REGEXP BUTTON FORM CALLBACK PAR)
5967 HEADER is a regexp to match a header. For a fuller explanation, see
5968 `gnus-button-alist'."
5969 :group 'gnus-article-buttons
5970 :group 'gnus-article-headers
5971 :type '(repeat (list (regexp :tag "Header")
5973 (integer :tag "Button")
5975 (function :tag "Callback")
5978 (integer :tag "Regexp group")))))
5980 (defvar gnus-button-regexp nil)
5981 (defvar gnus-button-marker-list nil)
5982 ;; Regexp matching any of the regexps from `gnus-button-alist'.
5984 (defvar gnus-button-last nil)
5985 ;; The value of `gnus-button-alist' when `gnus-button-regexp' was build.
5989 (defun gnus-article-push-button (event)
5990 "Check text under the mouse pointer for a callback function.
5991 If the text under the mouse pointer has a `gnus-callback' property,
5992 call it with the value of the `gnus-data' text property."
5994 (set-buffer (window-buffer (posn-window (event-start event))))
5995 (let* ((pos (posn-point (event-start event)))
5996 (data (get-text-property pos 'gnus-data))
5997 (fun (get-text-property pos 'gnus-callback)))
6000 (funcall fun data))))
6002 (defun gnus-article-press-button ()
6003 "Check text at point for a callback function.
6004 If the text at point has a `gnus-callback' property,
6005 call it with the value of the `gnus-data' text property."
6007 (let ((data (get-text-property (point) 'gnus-data))
6008 (fun (get-text-property (point) 'gnus-callback)))
6010 (funcall fun data))))
6012 (defun gnus-article-highlight (&optional force)
6013 "Highlight current article.
6014 This function calls `gnus-article-highlight-headers',
6015 `gnus-article-highlight-citation',
6016 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
6017 do the highlighting. See the documentation for those functions."
6018 (interactive (list 'force))
6019 (gnus-article-highlight-headers)
6020 (gnus-article-highlight-citation force)
6021 (gnus-article-highlight-signature)
6022 (gnus-article-add-buttons force)
6023 (gnus-article-add-buttons-to-head))
6025 (defun gnus-article-highlight-some (&optional force)
6026 "Highlight current article.
6027 This function calls `gnus-article-highlight-headers',
6028 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
6029 do the highlighting. See the documentation for those functions."
6030 (interactive (list 'force))
6031 (gnus-article-highlight-headers)
6032 (gnus-article-highlight-signature)
6033 (gnus-article-add-buttons))
6035 (defun gnus-article-highlight-headers ()
6036 "Highlight article headers as specified by `gnus-header-face-alist'."
6039 (set-buffer gnus-article-buffer)
6041 (let ((alist gnus-header-face-alist)
6042 (buffer-read-only nil)
6043 (case-fold-search t)
6044 (inhibit-point-motion-hooks t)
6045 entry regexp header-face field-face from hpoints fpoints)
6046 (article-narrow-to-head)
6047 (while (setq entry (pop alist))
6048 (goto-char (point-min))
6049 (setq regexp (concat "^\\("
6050 (if (string-equal "" (nth 0 entry))
6054 header-face (nth 1 entry)
6055 field-face (nth 2 entry))
6056 (while (and (re-search-forward regexp nil t)
6060 (unless (search-forward ":" nil t)
6062 (when (and header-face
6063 (not (memq (point) hpoints)))
6064 (push (point) hpoints)
6065 (gnus-put-text-property from (point) 'face header-face))
6066 (when (and field-face
6067 (not (memq (setq from (point)) fpoints)))
6069 (if (re-search-forward "^[^ \t]" nil t)
6071 (goto-char (point-max)))
6072 (gnus-put-text-property from (point) 'face field-face))))))))
6074 (defun gnus-article-highlight-signature ()
6075 "Highlight the signature in an article.
6076 It does this by highlighting everything after
6077 `gnus-signature-separator' using `gnus-signature-face'."
6080 (set-buffer gnus-article-buffer)
6081 (let ((buffer-read-only nil)
6082 (inhibit-point-motion-hooks t))
6084 (when (and gnus-signature-face
6085 (gnus-article-narrow-to-signature))
6086 (gnus-overlay-put (gnus-make-overlay (point-min) (point-max))
6087 'face gnus-signature-face)
6089 (gnus-article-search-signature)
6090 (let ((start (match-beginning 0))
6091 (end (set-marker (make-marker) (1+ (match-end 0)))))
6092 (gnus-article-add-button start (1- end) 'gnus-signature-toggle
6095 (defun gnus-button-in-region-p (b e prop)
6096 "Say whether PROP exists in the region."
6097 (text-property-not-all b e prop nil))
6099 (defun gnus-article-add-buttons (&optional force)
6100 "Find external references in the article and make buttons of them.
6101 \"External references\" are things like Message-IDs and URLs, as
6102 specified by `gnus-button-alist'."
6103 (interactive (list 'force))
6105 (set-buffer gnus-article-buffer)
6106 (let ((buffer-read-only nil)
6107 (inhibit-point-motion-hooks t)
6108 (case-fold-search t)
6109 (alist gnus-button-alist)
6111 ;; Remove all old markers.
6112 (let (marker entry new-list)
6113 (while (setq marker (pop gnus-button-marker-list))
6114 (if (or (< marker (point-min)) (>= marker (point-max)))
6115 (push marker new-list)
6117 (when (setq entry (gnus-button-entry))
6118 (put-text-property (match-beginning (nth 1 entry))
6119 (match-end (nth 1 entry))
6120 'gnus-callback nil))
6121 (set-marker marker nil)))
6122 (setq gnus-button-marker-list new-list))
6123 ;; We skip the headers.
6126 (while (setq entry (pop alist))
6127 (setq regexp (eval (car entry)))
6129 (while (re-search-forward regexp nil t)
6130 (let* ((start (and entry (match-beginning (nth 1 entry))))
6131 (end (and entry (match-end (nth 1 entry))))
6132 (from (match-beginning 0)))
6133 (when (and (or (eq t (nth 2 entry))
6134 (eval (nth 2 entry)))
6135 (not (gnus-button-in-region-p
6136 start end 'gnus-callback)))
6137 ;; That optional form returned non-nil, so we add the
6139 (gnus-article-add-button
6140 start end 'gnus-button-push
6141 (car (push (set-marker (make-marker) from)
6142 gnus-button-marker-list))))))))))
6144 ;; Add buttons to the head of an article.
6145 (defun gnus-article-add-buttons-to-head ()
6146 "Add buttons to the head of the article."
6149 (set-buffer gnus-article-buffer)
6151 (let ((buffer-read-only nil)
6152 (inhibit-point-motion-hooks t)
6153 (case-fold-search t)
6154 (alist gnus-header-button-alist)
6156 (article-narrow-to-head)
6158 ;; Each alist entry.
6159 (setq entry (car alist)
6161 (goto-char (point-min))
6162 (while (re-search-forward (car entry) nil t)
6163 ;; Each header matching the entry.
6164 (setq beg (match-beginning 0))
6165 (setq end (or (and (re-search-forward "^[^ \t]" nil t)
6166 (match-beginning 0))
6169 (while (re-search-forward (eval (nth 1 entry)) end t)
6170 ;; Each match within a header.
6171 (let* ((entry (cdr entry))
6172 (start (match-beginning (nth 1 entry)))
6173 (end (match-end (nth 1 entry)))
6174 (form (nth 2 entry)))
6175 (goto-char (match-end 0))
6177 (gnus-article-add-button
6178 start end (nth 3 entry)
6179 (buffer-substring (match-beginning (nth 4 entry))
6180 (match-end (nth 4 entry)))))))
6181 (goto-char end)))))))
6183 ;;; External functions:
6185 (defun gnus-article-add-button (from to fun &optional data)
6186 "Create a button between FROM and TO with callback FUN and data DATA."
6187 (when gnus-article-button-face
6188 (gnus-overlay-put (gnus-make-overlay from to)
6189 'face gnus-article-button-face))
6190 (gnus-add-text-properties
6192 (nconc (and gnus-article-mouse-face
6193 (list gnus-mouse-face-prop gnus-article-mouse-face))
6194 (list 'gnus-callback fun)
6195 (and data (list 'gnus-data data))))
6196 (widget-convert-button 'link from to :action 'gnus-widget-press-button
6197 :button-keymap gnus-widget-button-keymap))
6199 ;;; Internal functions:
6201 (defun gnus-article-set-globals ()
6203 (set-buffer gnus-summary-buffer)
6204 (gnus-set-global-variables)))
6206 (defun gnus-signature-toggle (end)
6208 (set-buffer gnus-article-buffer)
6209 (let ((buffer-read-only nil)
6210 (inhibit-point-motion-hooks t))
6211 (if (text-property-any end (point-max) 'article-type 'signature)
6213 (gnus-delete-wash-type 'signature)
6214 (gnus-remove-text-properties-when
6215 'article-type 'signature end (point-max)
6216 (cons 'article-type (cons 'signature
6217 gnus-hidden-properties))))
6218 (gnus-add-wash-type 'signature)
6219 (gnus-add-text-properties-when
6220 'article-type nil end (point-max)
6221 (cons 'article-type (cons 'signature
6222 gnus-hidden-properties)))))
6223 (let ((gnus-article-mime-handle-alist-1 gnus-article-mime-handle-alist))
6224 (gnus-set-mode-line 'article))))
6226 (defun gnus-button-entry ()
6227 ;; Return the first entry in `gnus-button-alist' matching this place.
6228 (let ((alist gnus-button-alist)
6231 (setq entry (pop alist))
6232 (if (looking-at (eval (car entry)))
6237 (defun gnus-button-push (marker)
6238 ;; Push button starting at MARKER.
6241 (let* ((entry (gnus-button-entry))
6242 (inhibit-point-motion-hooks t)
6244 (args (mapcar (lambda (group)
6245 (let ((string (match-string group)))
6246 (gnus-set-text-properties
6247 0 (length string) nil string)
6254 (fboundp (symbol-value fun)))
6255 (apply (symbol-value fun) args))
6257 (gnus-message 1 "You must define `%S' to use this button"
6258 (cons fun args)))))))
6260 (defun gnus-parse-news-url (url)
6261 (let (scheme server group message-id articles)
6264 (goto-char (point-min))
6265 (when (looking-at "\\([A-Za-z]+\\):")
6266 (setq scheme (match-string 1))
6267 (goto-char (match-end 0)))
6268 (when (looking-at "//\\([^/]+\\)/")
6269 (setq server (match-string 1))
6270 (goto-char (match-end 0)))
6273 ((looking-at "\\(.*@.*\\)")
6274 (setq message-id (match-string 1)))
6275 ((looking-at "\\([^/]+\\)/\\([-0-9]+\\)")
6276 (setq group (match-string 1)
6277 articles (split-string (match-string 2) "-")))
6278 ((looking-at "\\([^/]+\\)/?")
6279 (setq group (match-string 1)))
6281 (error "Unknown news URL syntax"))))
6282 (list scheme server group message-id articles)))
6284 (defun gnus-button-handle-news (url)
6286 (destructuring-bind (scheme server group message-id articles)
6287 (gnus-parse-news-url url)
6291 (set-buffer gnus-summary-buffer)
6293 (let ((gnus-refer-article-method (list (list 'nntp server))))
6294 (gnus-summary-refer-article message-id))
6295 (gnus-summary-refer-article message-id))))
6297 (gnus-button-fetch-group url)))))
6299 (defun gnus-button-handle-man (url)
6301 (funcall gnus-button-man-handler url))
6303 (defun gnus-button-handle-info (url)
6304 "Fetch an info URL."
6306 "^\\([^:/]+\\)?/\\(.*\\)"
6308 (gnus-info-find-node
6309 (concat "(" (or (gnus-url-unhex-string (match-string 1 url))
6312 (gnus-url-unhex-string (match-string 2 url))))
6313 (error "Can't parse %s" url)))
6315 (defun gnus-button-message-id (message-id)
6318 (set-buffer gnus-summary-buffer)
6319 (gnus-summary-refer-article message-id)))
6321 (defun gnus-button-fetch-group (address)
6322 "Fetch GROUP specified by ADDRESS."
6323 (if (not (string-match "[:/]" address))
6324 ;; This is just a simple group url.
6325 (gnus-group-read-ephemeral-group address gnus-select-method)
6328 "^\\([^:/]+\\)\\(:\\([^/]+\\)\\)?/\\([^/]+\\)\\(/\\([0-9]+\\)\\)?"
6330 (error "Can't parse %s" address)
6331 (gnus-group-read-ephemeral-group
6332 (match-string 4 address)
6333 `(nntp ,(match-string 1 address)
6334 (nntp-address ,(match-string 1 address))
6335 (nntp-port-number ,(if (match-end 3)
6336 (match-string 3 address)
6339 (and (match-end 6) (list (string-to-int (match-string 6 address))))))))
6341 (defun gnus-url-parse-query-string (query &optional downcase)
6342 (let (retval pairs cur key val)
6343 (setq pairs (split-string query "&"))
6345 (setq cur (car pairs)
6347 (if (not (string-match "=" cur))
6349 (setq key (gnus-url-unhex-string (substring cur 0 (match-beginning 0)))
6350 val (gnus-url-unhex-string (substring cur (match-end 0) nil) t))
6352 (setq key (downcase key)))
6353 (setq cur (assoc key retval))
6355 (setcdr cur (cons val (cdr cur)))
6356 (setq retval (cons (list key val) retval)))))
6359 (defun gnus-url-mailto (url)
6360 ;; Send mail to someone
6361 (when (string-match "mailto:/*\\(.*\\)" url)
6362 (setq url (substring url (match-beginning 1) nil)))
6363 (let (to args subject func)
6364 (if (string-match (regexp-quote "?") url)
6365 (setq to (gnus-url-unhex-string (substring url 0 (match-beginning 0)))
6366 args (gnus-url-parse-query-string
6367 (substring url (match-end 0) nil) t))
6368 (setq to (gnus-url-unhex-string url)))
6369 (setq args (cons (list "to" to) args)
6370 subject (cdr-safe (assoc "subject" args)))
6373 (setq func (intern-soft (concat "message-goto-" (downcase (caar args)))))
6376 (message-position-on-field (caar args)))
6377 (insert (mapconcat 'identity (cdar args) ", "))
6378 (setq args (cdr args)))
6381 (message-goto-subject))))
6383 (defun gnus-button-embedded-url (address)
6384 "Activate ADDRESS with `browse-url'."
6385 (browse-url (gnus-strip-whitespace address)))
6387 ;;; Next/prev buttons in the article buffer.
6389 (defvar gnus-next-page-line-format "%{%(Next page...%)%}\n")
6390 (defvar gnus-prev-page-line-format "%{%(Previous page...%)%}\n")
6392 (defvar gnus-prev-page-map
6393 (let ((map (make-sparse-keymap)))
6394 (unless (>= emacs-major-version 21)
6395 ;; XEmacs doesn't care.
6396 (set-keymap-parent map gnus-article-mode-map))
6397 (define-key map gnus-mouse-2 'gnus-button-prev-page)
6398 (define-key map "\r" 'gnus-button-prev-page)
6401 (defun gnus-insert-prev-page-button ()
6403 (buffer-read-only nil))
6405 gnus-prev-page-line-format nil
6406 `(,@(gnus-local-map-property gnus-prev-page-map)
6408 gnus-callback gnus-article-button-prev-page
6409 article-type annotation))
6410 (widget-convert-button
6412 ;; Exclude a newline.
6415 :action 'gnus-button-prev-page
6416 :button-keymap gnus-prev-page-map)))
6418 (defvar gnus-prev-page-map
6419 (let ((map (make-sparse-keymap)))
6420 (unless (>= emacs-major-version 21)
6421 ;; XEmacs doesn't care.
6422 (set-keymap-parent map gnus-article-mode-map))
6423 (define-key map gnus-mouse-2 'gnus-button-prev-page)
6424 (define-key map "\r" 'gnus-button-prev-page)
6427 (defvar gnus-next-page-map
6428 (let ((map (make-sparse-keymap)))
6429 (unless (>= emacs-major-version 21)
6430 ;; XEmacs doesn't care.
6431 (set-keymap-parent map gnus-article-mode-map))
6432 (define-key map gnus-mouse-2 'gnus-button-next-page)
6433 (define-key map "\r" 'gnus-button-next-page)
6436 (defun gnus-button-next-page (&optional args more-args)
6437 "Go to the next page."
6439 (let ((win (selected-window)))
6440 (select-window (gnus-get-buffer-window gnus-article-buffer t))
6441 (gnus-article-next-page)
6442 (select-window win)))
6444 (defun gnus-button-prev-page (&optional args more-args)
6445 "Go to the prev page."
6447 (let ((win (selected-window)))
6448 (select-window (gnus-get-buffer-window gnus-article-buffer t))
6449 (gnus-article-prev-page)
6450 (select-window win)))
6452 (defun gnus-insert-next-page-button ()
6454 (buffer-read-only nil))
6455 (gnus-eval-format gnus-next-page-line-format nil
6456 `(,@(gnus-local-map-property gnus-next-page-map)
6458 gnus-callback gnus-article-button-next-page
6459 article-type annotation))
6460 (widget-convert-button
6462 ;; Exclude a newline.
6465 :action 'gnus-button-next-page
6466 :button-keymap gnus-next-page-map)))
6468 (defun gnus-article-button-next-page (arg)
6469 "Go to the next page."
6471 (let ((win (selected-window)))
6472 (select-window (gnus-get-buffer-window gnus-article-buffer t))
6473 (gnus-article-next-page)
6474 (select-window win)))
6476 (defun gnus-article-button-prev-page (arg)
6477 "Go to the prev page."
6479 (let ((win (selected-window)))
6480 (select-window (gnus-get-buffer-window gnus-article-buffer t))
6481 (gnus-article-prev-page)
6482 (select-window win)))
6484 (defvar gnus-decode-header-methods
6485 '(mail-decode-encoded-word-region)
6486 "List of methods used to decode headers.
6488 This variable is a list of FUNCTION or (REGEXP . FUNCTION). If item
6489 is FUNCTION, FUNCTION will be apply to all newsgroups. If item is a
6490 \(REGEXP . FUNCTION), FUNCTION will be only apply to thes newsgroups
6491 whose names match REGEXP.
6494 \((\"chinese\" . gnus-decode-encoded-word-region-by-guess)
6495 mail-decode-encoded-word-region
6496 (\"chinese\" . rfc1843-decode-region))
6499 (defvar gnus-decode-header-methods-cache nil)
6501 (defun gnus-multi-decode-header (start end)
6502 "Apply the functions from `gnus-encoded-word-methods' that match."
6503 (unless (and gnus-decode-header-methods-cache
6504 (eq gnus-newsgroup-name
6505 (car gnus-decode-header-methods-cache)))
6506 (setq gnus-decode-header-methods-cache (list gnus-newsgroup-name))
6509 (nconc gnus-decode-header-methods-cache (list x))
6510 (if (and gnus-newsgroup-name
6511 (string-match (car x) gnus-newsgroup-name))
6512 (nconc gnus-decode-header-methods-cache
6514 gnus-decode-header-methods))
6515 (let ((xlist gnus-decode-header-methods-cache))
6518 (narrow-to-region start end)
6520 (funcall (pop xlist) (point-min) (point-max))))))
6523 ;;; Treatment top-level handling.
6526 (defun gnus-treat-article (condition &optional part-number total-parts type)
6527 (let ((length (- (point-max) (point-min)))
6528 (alist gnus-treatment-function-alist)
6529 (article-goto-body-goes-to-point-min-p t)
6533 (let ((list gnus-article-treat-types))
6535 (when (string-match (pop list) type)
6536 (throw 'found t)))))))
6537 (highlightp (gnus-visual-p 'article-highlight 'highlight))
6539 (gnus-run-hooks 'gnus-part-display-hook)
6540 (dolist (elem alist)
6543 (when (gnus-buffer-live-p gnus-summary-buffer)
6544 (set-buffer gnus-summary-buffer))
6545 (symbol-value (car elem))))
6546 (when (and (or (consp val)
6548 (gnus-treat-predicate val)
6549 (or (not (get (car elem) 'highlight))
6552 (funcall (cadr elem)))))))
6554 ;; Dynamic variables.
6556 (defvar part-number)
6557 (defvar total-parts)
6562 (defun gnus-treat-predicate (val)
6569 (stringp (car val)))
6570 (apply 'gnus-or (mapcar `(lambda (s)
6571 (string-match s ,(or gnus-newsgroup-name "")))
6574 (let ((pred (pop val)))
6577 (apply 'gnus-or (mapcar 'gnus-treat-predicate val)))
6579 (apply 'gnus-and (mapcar 'gnus-treat-predicate val)))
6581 (not (gnus-treat-predicate (car val))))
6583 (equal (car val) type))
6585 (error "%S is not a valid predicate" pred)))))
6591 (eq part-number total-parts))
6595 (error "%S is not a valid value" val))))
6597 (defun gnus-article-encrypt-body (protocol &optional n)
6598 "Encrypt the article body."
6601 (or gnus-article-encrypt-protocol
6602 (completing-read "Encrypt protocol: "
6603 gnus-article-encrypt-protocol-alist
6605 current-prefix-arg))
6606 (let ((func (cdr (assoc protocol gnus-article-encrypt-protocol-alist))))
6608 (error (format "Can't find the encrypt protocol %s" protocol)))
6609 (if (member gnus-newsgroup-name '("nndraft:delayed"
6612 (error "Can't encrypt the article in group %s"
6613 gnus-newsgroup-name))
6614 (gnus-summary-iterate n
6616 (set-buffer gnus-summary-buffer)
6617 (let ((mail-parse-charset gnus-newsgroup-charset)
6618 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets)
6619 (summary-buffer gnus-summary-buffer)
6621 (gnus-set-global-variables)
6622 (when (gnus-group-read-only-p)
6623 (error "The current newsgroup does not support article encrypt"))
6624 (gnus-summary-show-article t)
6626 (or (mail-header-references gnus-current-headers) ""))
6627 (set-buffer gnus-article-buffer)
6628 (let* ((buffer-read-only nil)
6630 (mapcar (lambda (field)
6631 (and (save-restriction
6632 (message-narrow-to-head)
6633 (goto-char (point-min))
6634 (search-forward field nil t))
6636 (message-narrow-to-field)
6638 (delete-region (point-min) (point-max))
6640 '("Content-Type:" "Content-Transfer-Encoding:"
6641 "Content-Disposition:"))))
6642 (message-narrow-to-head)
6643 (message-remove-header "MIME-Version")
6644 (goto-char (point-max))
6645 (setq point (point))
6646 (insert (apply 'concat headers))
6648 (narrow-to-region point (point-max))
6649 (let ((message-options message-options))
6650 (message-options-set 'message-sender user-mail-address)
6651 (message-options-set 'message-recipients user-mail-address)
6652 (message-options-set 'message-sign-encrypt 'not)
6654 (goto-char (point-min))
6655 (insert "MIME-Version: 1.0\n")
6657 (gnus-summary-edit-article-done
6658 references nil summary-buffer t))
6659 (when gnus-keep-backlog
6660 (gnus-backlog-remove-article
6661 (car gnus-article-current) (cdr gnus-article-current)))
6663 (when (get-buffer gnus-original-article-buffer)
6664 (set-buffer gnus-original-article-buffer)
6665 (setq gnus-original-article nil)))
6666 (when gnus-use-cache
6667 (gnus-cache-update-article
6668 (car gnus-article-current) (cdr gnus-article-current))))))))
6670 (defvar gnus-mime-security-button-line-format "%{%([[%t:%i]%D]%)%}\n"
6671 "The following specs can be used:
6672 %t The security MIME type
6675 %D Details if button is pressed")
6677 (defvar gnus-mime-security-button-end-line-format "%{%([[End of %t]%D]%)%}\n"
6678 "The following specs can be used:
6679 %t The security MIME type
6682 %D Details if button is pressed")
6684 (defvar gnus-mime-security-button-line-format-alist
6685 '((?t gnus-tmp-type ?s)
6686 (?i gnus-tmp-info ?s)
6687 (?d gnus-tmp-details ?s)
6688 (?D gnus-tmp-pressed-details ?s)))
6690 (defvar gnus-mime-security-button-map
6691 (let ((map (make-sparse-keymap)))
6692 (unless (>= (string-to-number emacs-version) 21)
6693 (set-keymap-parent map gnus-article-mode-map))
6694 (define-key map gnus-mouse-2 'gnus-article-push-button)
6695 (define-key map "\r" 'gnus-article-press-button)
6698 (defvar gnus-mime-security-details-buffer nil)
6700 (defvar gnus-mime-security-button-pressed nil)
6702 (defvar gnus-mime-security-show-details-inline t
6703 "If non-nil, show details in the article buffer.")
6705 (defun gnus-mime-security-verify-or-decrypt (handle)
6706 (mm-remove-parts (cdr handle))
6707 (let ((region (mm-handle-multipart-ctl-parameter handle 'gnus-region))
6708 point buffer-read-only)
6710 (goto-char (car region)))
6712 (narrow-to-region (point) (point))
6713 (with-current-buffer (mm-handle-multipart-original-buffer handle)
6714 (let* ((mm-verify-option 'known)
6715 (mm-decrypt-option 'known)
6716 (nparts (mm-possibly-verify-or-decrypt (cdr handle) handle)))
6717 (unless (eq nparts (cdr handle))
6718 (mm-destroy-parts (cdr handle))
6719 (setcdr handle nparts))))
6720 (setq point (point))
6721 (gnus-mime-display-security handle)
6722 (goto-char (point-max)))
6724 (delete-region (point) (cdr region))
6725 (set-marker (car region) nil)
6726 (set-marker (cdr region) nil))
6729 (defun gnus-mime-security-show-details (handle)
6730 (let ((details (mm-handle-multipart-ctl-parameter handle 'gnus-details)))
6732 (gnus-message 5 "No details.")
6733 (if gnus-mime-security-show-details-inline
6734 (let ((gnus-mime-security-button-pressed
6735 (not (get-text-property (point) 'gnus-mime-details)))
6736 (gnus-mime-security-button-line-format
6737 (get-text-property (point) 'gnus-line-format))
6740 (while (eq (get-text-property (point) 'gnus-line-format)
6741 gnus-mime-security-button-line-format)
6745 (narrow-to-region (point) (point))
6746 (gnus-insert-mime-security-button handle))
6747 (delete-region (point)
6748 (or (text-property-not-all
6751 gnus-mime-security-button-line-format)
6754 (if (gnus-buffer-live-p gnus-mime-security-details-buffer)
6755 (with-current-buffer gnus-mime-security-details-buffer
6758 (setq gnus-mime-security-details-buffer
6759 (gnus-get-buffer-create "*MIME Security Details*")))
6760 (with-current-buffer gnus-mime-security-details-buffer
6762 (goto-char (point-min)))
6763 (pop-to-buffer gnus-mime-security-details-buffer)))))
6765 (defun gnus-mime-security-press-button (handle)
6767 (if (mm-handle-multipart-ctl-parameter handle 'gnus-info)
6768 (gnus-mime-security-show-details handle)
6769 (gnus-mime-security-verify-or-decrypt handle))))
6771 (defun gnus-insert-mime-security-button (handle &optional displayed)
6772 (let* ((protocol (mm-handle-multipart-ctl-parameter handle 'protocol))
6775 (or (nth 2 (assoc protocol mm-verify-function-alist))
6776 (nth 2 (assoc protocol mm-decrypt-function-alist))
6778 (if (equal (car handle) "multipart/signed")
6779 " Signed" " Encrypted")
6782 (or (mm-handle-multipart-ctl-parameter handle 'gnus-info)
6785 (mm-handle-multipart-ctl-parameter handle 'gnus-details))
6786 gnus-tmp-pressed-details
6788 (setq gnus-tmp-details
6789 (if gnus-tmp-details
6790 (concat "\n" gnus-tmp-details)
6792 (setq gnus-tmp-pressed-details
6793 (if gnus-mime-security-button-pressed gnus-tmp-details ""))
6798 gnus-mime-security-button-line-format
6799 gnus-mime-security-button-line-format-alist
6800 `(,@(gnus-local-map-property gnus-mime-security-button-map)
6801 gnus-callback gnus-mime-security-press-button
6802 gnus-line-format ,gnus-mime-security-button-line-format
6803 gnus-mime-details ,gnus-mime-security-button-pressed
6804 article-type annotation
6807 ;; Exclude a newline.
6810 (widget-convert-button
6813 :action 'gnus-widget-press-button
6814 :button-keymap gnus-mime-security-button-map
6816 (lambda (widget/window &optional overlay pos)
6817 ;; Needed to properly clear the message due to a bug in
6818 ;; wid-edit (XEmacs only).
6819 (when (boundp 'help-echo-owns-message)
6820 (setq help-echo-owns-message t))
6823 (aref gnus-mouse-2 0))))))
6825 (defun gnus-mime-display-security (handle)
6827 (narrow-to-region (point) (point))
6828 (unless (gnus-unbuttonized-mime-type-p (car handle))
6829 (gnus-insert-mime-security-button handle))
6830 (gnus-mime-display-mixed (cdr handle))
6833 (unless (gnus-unbuttonized-mime-type-p (car handle))
6834 (let ((gnus-mime-security-button-line-format
6835 gnus-mime-security-button-end-line-format))
6836 (gnus-insert-mime-security-button handle)))
6837 (mm-set-handle-multipart-parameter
6839 (cons (set-marker (make-marker) (point-min))
6840 (set-marker (make-marker) (point-max))))))
6846 (run-hooks 'gnus-art-load-hook)
6848 ;;; gnus-art.el ends here