1 ;;; gnus-art.el --- article mode commands for Semi-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>
6 ;; MORIOKA Tomohiko <morioka@jaist.ac.jp>
7 ;; Katsumi Yamaoka <yamaoka@jpl.org>
8 ;; Keywords: mail, news, MIME
10 ;; This file is part of GNU Emacs.
12 ;; GNU Emacs is free software; you can redistribute it and/or modify
13 ;; it under the terms of the GNU General Public License as published by
14 ;; the Free Software Foundation; either version 2, or (at your option)
17 ;; GNU Emacs is distributed in the hope that it will be useful,
18 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
19 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 ;; GNU General Public License for more details.
22 ;; You should have received a copy of the GNU General Public License
23 ;; along with GNU Emacs; see the file COPYING. If not, write to the
24 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
25 ;; Boston, MA 02111-1307, USA.
31 (eval-when-compile (require 'cl))
32 (eval-when-compile (require 'static))
44 ;; Avoid byte-compile warnings.
52 (autoload 'gnus-msg-mail "gnus-msg" nil t)
53 (autoload 'gnus-button-mailto "gnus-msg")
54 (autoload 'gnus-button-reply "gnus-msg" nil t)
56 (defgroup gnus-article nil
58 :link '(custom-manual "(gnus)The Article Buffer")
61 (defgroup gnus-article-treat nil
62 "Treating article parts."
63 :link '(custom-manual "(gnus)Article Hiding")
66 (defgroup gnus-article-hiding nil
67 "Hiding article parts."
68 :link '(custom-manual "(gnus)Article Hiding")
71 (defgroup gnus-article-highlight nil
72 "Article highlighting."
73 :link '(custom-manual "(gnus)Article Highlighting")
77 (defgroup gnus-article-signature nil
79 :link '(custom-manual "(gnus)Article Signature")
82 (defgroup gnus-article-headers nil
84 :link '(custom-manual "(gnus)Hiding Headers")
87 (defgroup gnus-article-washing nil
88 "Special commands on articles."
89 :link '(custom-manual "(gnus)Article Washing")
92 (defgroup gnus-article-emphasis nil
93 "Fontisizing articles."
94 :link '(custom-manual "(gnus)Article Fontisizing")
97 (defgroup gnus-article-saving nil
99 :link '(custom-manual "(gnus)Saving Articles")
100 :group 'gnus-article)
102 (defgroup gnus-article-mime nil
103 "Worshiping the MIME wonder."
104 :link '(custom-manual "(gnus)Using MIME")
105 :group 'gnus-article)
107 (defgroup gnus-article-buttons nil
108 "Pushable buttons in the article buffer."
109 :link '(custom-manual "(gnus)Article Buttons")
110 :group 'gnus-article)
112 (defgroup gnus-article-various nil
113 "Other article options."
114 :link '(custom-manual "(gnus)Misc Article")
115 :group 'gnus-article)
117 (defcustom gnus-ignored-headers
120 (concat "^" header ":"))
121 '("Path" "Expires" "Date-Received" "References" "Xref" "Lines"
122 "Relay-Version" "Message-ID" "Approved" "Sender" "Received"
123 "X-UIDL" "MIME-Version" "Return-Path" "In-Reply-To"
124 "Content-Type" "Content-Transfer-Encoding" "X-WebTV-Signature"
125 "X-MimeOLE" "X-MSMail-Priority" "X-Priority" "X-Loop"
126 "X-Authentication-Warning" "X-MIME-Autoconverted" "X-Face"
127 "X-Attribution" "X-Originating-IP" "Delivered-To"
128 "NNTP-[-A-Za-z]+" "Distribution" "X-no-archive" "X-Trace"
129 "X-Complaints-To" "X-NNTP-Posting-Host" "X-Orig.*"
130 "Abuse-Reports-To" "Cache-Post-Path" "X-Article-Creation-Date"
131 "X-Poster" "X-Mail2News-Path" "X-Server-Date" "X-Cache"
132 "Originator" "X-Problems-To" "X-Auth-User" "X-Post-Time"
133 "X-Admin" "X-UID" "Resent-[-A-Za-z]+" "X-Mailing-List"
134 "Precedence" "Original-[-A-Za-z]+" "X-filename" "X-Orcpt"
135 "Old-Received" "X-Pgp" "X-Auth" "X-From-Line"
136 "X-Gnus-Article-Number" "X-Majordomo" "X-Url" "X-Sender"
137 "MBOX-Line" "Priority" "X400-[-A-Za-z]+"
138 "Status" "X-Gnus-Mail-Source" "Cancel-Lock"
139 "X-FTN" "X-EXP32-SerialNo" "Encoding" "Importance"
140 "Autoforwarded" "Original-Encoded-Information-Types" "X-Ya-Pop3"
141 "X-Face-Version" "X-Vms-To" "X-ML-NAME" "X-ML-COUNT"
142 "Mailing-List" "X-finfo" "X-md5sum" "X-md5sum-Origin"
143 "X-Sun-Charset" "X-Accept-Language" "X-Envelope-Sender"
144 "List-[A-Za-z]+" "X-Listprocessor-Version"
145 "X-Received" "X-Distribute" "X-Sequence" "X-Juno-Line-Breaks"
146 "X-Notes-Item" "X-MS-TNEF-Correlator" "x-uunet-gateway"
147 "X-Received" "Content-length" "X-precedence"
148 "X-Authenticated-User" "X-Comment" "X-Report" "X-Abuse-Info"
149 "X-HTTP-Proxy" "X-Mydeja-Info" "X-Copyright" "X-No-Markup"
150 "X-Abuse-Info" "X-From_" "X-Accept-Language" "Errors-To"
151 "X-BeenThere" "X-Mailman-Version" "List-Help" "List-Post"
152 "List-Subscribe" "List-Id" "List-Unsubscribe" "List-Archive"
153 "X-Content-length" "X-Posting-Agent" "Original-Received"
154 "X-Request-PGP" "X-Fingerprint" "X-WRIEnvto" "X-WRIEnvfrom"
155 "X-Virus-Scanned" "X-Delivery-Agent" "Posted-Date" "X-Gateway"
156 "X-Local-Origin" "X-Local-Destination" "X-UserInfo1"
157 "X-Received-Date" "X-Hashcash" "Face" "X-DMCA-Notifications"
158 "X-Abuse-and-DMCA-Info" "X-Postfilter"))
159 "*All headers that start with this regexp will be hidden.
160 This variable can also be a list of regexps of headers to be ignored.
161 If `gnus-visible-headers' is non-nil, this variable will be ignored."
162 :type '(choice :custom-show nil
165 :group 'gnus-article-hiding)
167 (defcustom gnus-visible-headers
168 "^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:"
169 "*All headers that do not match this regexp will be hidden.
170 This variable can also be a list of regexp of headers to remain visible.
171 If this variable is non-nil, `gnus-ignored-headers' will be ignored."
172 :type '(repeat :value-to-internal (lambda (widget value)
173 (custom-split-regexp-maybe value))
174 :match (lambda (widget value)
176 (widget-editable-list-match widget value)))
178 :group 'gnus-article-hiding)
180 (defcustom gnus-sorted-header-list
181 '("^From:" "^Subject:" "^Summary:" "^Keywords:" "^Newsgroups:"
182 "^Followup-To:" "^To:" "^Cc:" "^Date:" "^Organization:")
183 "*This variable is a list of regular expressions.
184 If it is non-nil, headers that match the regular expressions will
185 be placed first in the article buffer in the sequence specified by
187 :type '(repeat regexp)
188 :group 'gnus-article-hiding)
190 (defcustom gnus-boring-article-headers '(empty followup-to reply-to)
191 "Headers that are only to be displayed if they have interesting data.
192 Possible values in this list are:
194 'empty Headers with no content.
195 'newsgroups Newsgroup identical to Gnus group.
196 'to-address To identical to To-address.
197 'to-list To identical to To-list.
198 'cc-list CC identical to To-list.
199 'followup-to Followup-to identical to Newsgroups.
200 'reply-to Reply-to identical to From.
201 'date Date less than four days old.
202 'long-to To and/or Cc longer than 1024 characters.
203 'many-to Multiple To and/or Cc."
204 :type '(set (const :tag "Headers with no content." empty)
205 (const :tag "Newsgroups identical to Gnus group." newsgroups)
206 (const :tag "To identical to To-address." to-address)
207 (const :tag "To identical to To-list." to-list)
208 (const :tag "CC identical to To-list." cc-list)
209 (const :tag "Followup-to identical to Newsgroups." followup-to)
210 (const :tag "Reply-to identical to From." reply-to)
211 (const :tag "Date less than four days old." date)
212 (const :tag "To and/or Cc longer than 1024 characters." long-to)
213 (const :tag "Multiple To and/or Cc headers." many-to))
214 :group 'gnus-article-hiding)
216 (defcustom gnus-article-skip-boring nil
217 "Skip over text that is not worth reading.
218 By default, if you set this t, then Gnus will display citations and
219 signatures, but will never scroll down to show you a page consisting
220 only of boring text. Boring text is controlled by
221 `gnus-article-boring-faces'."
223 :group 'gnus-article-hiding)
225 (defcustom gnus-signature-separator '("^-- $" "^-- *$")
226 "Regexp matching signature separator.
227 This can also be a list of regexps. In that case, it will be checked
228 from head to tail looking for a separator. Searches will be done from
229 the end of the buffer."
230 :type '(repeat string)
231 :group 'gnus-article-signature)
233 (defcustom gnus-signature-limit nil
234 "Provide a limit to what is considered a signature.
235 If it is a number, no signature may not be longer (in characters) than
236 that number. If it is a floating point number, no signature may be
237 longer (in lines) than that number. If it is a function, the function
238 will be called without any parameters, and if it returns nil, there is
239 no signature in the buffer. If it is a string, it will be used as a
240 regexp. If it matches, the text in question is not a signature."
241 :type '(choice (integer :value 200)
243 (function :value fun)
244 (regexp :value ".*"))
245 :group 'gnus-article-signature)
247 (defcustom gnus-hidden-properties '(invisible t intangible t)
248 "Property list to use for hiding text."
250 :group 'gnus-article-hiding)
252 ;; Fixme: This isn't the right thing for mixed graphical and and
253 ;; non-graphical frames in a session.
254 (defcustom gnus-article-x-face-command
257 (if (or (gnus-image-type-available-p 'xface)
258 (gnus-image-type-available-p 'pbm))
259 'gnus-display-x-face-in-from
260 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | ee -"))
261 ((and (fboundp 'image-type-available-p)
262 (module-installed-p 'x-face-e21))
263 'x-face-decode-message-header)
264 ((gnus-image-type-available-p 'pbm)
265 'gnus-display-x-face-in-from)
267 (module-installed-p 'x-face-mule))
268 'x-face-mule-gnus-article-display-x-face)
270 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | \
272 "*String or function to be executed to display an X-Face header.
273 If it is a string, the command will be executed in a sub-shell
274 asynchronously. The compressed face will be piped to this command."
276 ,@(let (x-face-e21 x-face-mule)
277 (if (featurep 'xemacs)
279 (setq x-face-e21 (module-installed-p 'x-face-e21)
280 x-face-mule (module-installed-p 'x-face-mule)))
284 (if (or (gnus-image-type-available-p 'xface)
285 (gnus-image-type-available-p 'pbm))
286 '(function-item gnus-display-x-face-in-from))
288 (fboundp 'image-type-available-p))
290 :tag "x-face-decode-message-header (x-face-e21)"
291 x-face-decode-message-header))
294 x-face-mule-gnus-article-display-x-face))
298 :group 'gnus-article-washing)
300 (defcustom gnus-article-x-face-too-ugly nil
301 "Regexp matching posters whose face shouldn't be shown automatically."
302 :type '(choice regexp (const nil))
303 :group 'gnus-article-washing)
305 (defcustom gnus-article-banner-alist nil
306 "Banner alist for stripping.
308 ((egroups . \"^[ \\t\\n]*-------------------+\\\\( \\\\(e\\\\|Yahoo! \\\\)Groups Sponsor -+\\\\)?....\\n\\\\(.+\\n\\\\)+\"))"
310 :type '(repeat (cons symbol regexp))
311 :group 'gnus-article-washing)
313 (gnus-define-group-parameter
316 "Alist of regexps (to match group names) and banner."
317 :variable-group gnus-article-washing
319 '(choice :tag "Banner"
321 (const :tag "Remove signature" signature)
322 (symbol :tag "Item in `gnus-article-banner-alist'" none)
324 (const :tag "None" nil))
326 "If non-nil, specify how to remove `banners' from articles.
328 Symbol `signature' means to remove signatures delimited by
329 `gnus-signature-separator'. Any other symbol is used to look up a
330 regular expression to match the banner in `gnus-article-banner-alist'.
331 A string is used as a regular expression to match the banner
334 (defcustom gnus-article-address-banner-alist nil
335 "Alist of mail addresses and banners.
336 Each element has the form (ADDRESS . BANNER), where ADDRESS is a regexp
337 to match a mail address in the From: header, BANNER is one of a symbol
338 `signature', an item in `gnus-article-banner-alist', a regexp and nil.
339 If ADDRESS matches author's mail address, it will remove things like
340 advertisements. For example:
342 \((\"@yoo-hoo\\\\.co\\\\.jp\\\\'\" . \"\\n_+\\nDo You Yoo-hoo!\\\\?\\n.*\\n.*\\n\"))
346 (regexp :tag "Address")
347 (choice :tag "Banner" :value nil
348 (const :tag "Remove signature" signature)
349 (symbol :tag "Item in `gnus-article-banner-alist'" none)
351 (const :tag "None" nil))))
352 :group 'gnus-article-washing)
354 (defcustom gnus-emphasis-alist
356 "\\(\\s-\\|^\\|\\=\\|[-\"]\\|\\s(\\)\\(%s\\(\\w+\\(\\s-+\\w+\\)*[.,]?\\)%s\\)\\(\\([-,.;:!?\"]\\|\\s)\\)+\\s-\\|[?!.]\\s-\\|\\s)\\|\\s-\\)")
361 ("_/" "/_" underline-italic)
362 ("_\\*" "\\*_" underline-bold)
363 ("\\*/" "/\\*" bold-italic)
364 ("_\\*/" "/\\*_" underline-bold-italic))))
368 (format format (car spec) (car (cdr spec)))
369 2 3 (intern (format "gnus-emphasis-%s" (nth 2 spec)))))
371 ("\\(\\s-\\|^\\)\\(-\\(\\(\\w\\|-[^-]\\)+\\)-\\)\\(\\s-\\|[?!.,;]\\)"
372 2 3 gnus-emphasis-strikethru)
373 ("\\(\\s-\\|^\\)\\(_\\(\\(\\w\\|_[^_]\\)+\\)_\\)\\(\\s-\\|[?!.,;]\\)"
374 2 3 gnus-emphasis-underline)))
375 "*Alist that says how to fontify certain phrases.
376 Each item looks like this:
378 (\"_\\\\(\\\\w+\\\\)_\" 0 1 'underline)
380 The first element is a regular expression to be matched. The second
381 is a number that says what regular expression grouping used to find
382 the entire emphasized word. The third is a number that says what
383 regexp grouping should be displayed and highlighted. The fourth
384 is the face used for highlighting."
385 :type '(repeat (list :value ("" 0 0 default)
387 (integer :tag "Match group")
388 (integer :tag "Emphasize group")
390 :group 'gnus-article-emphasis)
392 (defcustom gnus-emphasize-whitespace-regexp "^[ \t]+\\|[ \t]*\n"
393 "A regexp to describe whitespace which should not be emphasized.
394 Typical values are \"^[ \\t]+\\\\|[ \\t]*\\n\" and \"[ \\t]+\\\\|[ \\t]*\\n\".
395 The former avoids underlining of leading and trailing whitespace,
396 and the latter avoids underlining any whitespace at all."
398 :group 'gnus-article-emphasis
401 (defface gnus-emphasis-bold '((t (:bold t)))
402 "Face used for displaying strong emphasized text (*word*)."
403 :group 'gnus-article-emphasis)
405 (defface gnus-emphasis-italic '((t (:italic t)))
406 "Face used for displaying italic emphasized text (/word/)."
407 :group 'gnus-article-emphasis)
409 (defface gnus-emphasis-underline '((t (:underline t)))
410 "Face used for displaying underlined emphasized text (_word_)."
411 :group 'gnus-article-emphasis)
413 (defface gnus-emphasis-underline-bold '((t (:bold t :underline t)))
414 "Face used for displaying underlined bold emphasized text (_*word*_)."
415 :group 'gnus-article-emphasis)
417 (defface gnus-emphasis-underline-italic '((t (:italic t :underline t)))
418 "Face used for displaying underlined italic emphasized text (_/word/_)."
419 :group 'gnus-article-emphasis)
421 (defface gnus-emphasis-bold-italic '((t (:bold t :italic t)))
422 "Face used for displaying bold italic emphasized text (/*word*/)."
423 :group 'gnus-article-emphasis)
425 (defface gnus-emphasis-underline-bold-italic
426 '((t (:bold t :italic t :underline t)))
427 "Face used for displaying underlined bold italic emphasized text.
428 Example: (_/*word*/_)."
429 :group 'gnus-article-emphasis)
431 (defface gnus-emphasis-strikethru '((t (:strikethru t)))
432 "Face used for displaying strike-through text (-word-)."
433 :group 'gnus-article-emphasis)
435 (defface gnus-emphasis-highlight-words
436 '((t (:background "black" :foreground "yellow")))
437 "Face used for displaying highlighted words."
438 :group 'gnus-article-emphasis)
440 (defcustom gnus-article-time-format "%a, %b %d %Y %T %Z"
441 "Format for display of Date headers in article bodies.
442 See `format-time-string' for the possible values.
444 The variable can also be function, which should return a complete Date
445 header. The function is called with one argument, the time, which can
446 be fed to `format-time-string'."
447 :type '(choice string symbol)
448 :link '(custom-manual "(gnus)Article Date")
449 :group 'gnus-article-washing)
452 (autoload 'mail-extract-address-components "mail-extr"))
454 (defcustom gnus-save-all-headers t
455 "*If non-nil, don't remove any headers before saving."
456 :group 'gnus-article-saving
459 (defcustom gnus-prompt-before-saving 'always
460 "*This variable says how much prompting is to be done when saving articles.
461 If it is nil, no prompting will be done, and the articles will be
462 saved to the default files. If this variable is `always', each and
463 every article that is saved will be preceded by a prompt, even when
464 saving large batches of articles. If this variable is neither nil not
465 `always', there the user will be prompted once for a file name for
466 each invocation of the saving commands."
467 :group 'gnus-article-saving
468 :type '(choice (item always)
469 (item :tag "never" nil)
470 (sexp :tag "once" :format "%t\n" :value t)))
472 (defcustom gnus-saved-headers gnus-visible-headers
473 "Headers to keep if `gnus-save-all-headers' is nil.
474 If `gnus-save-all-headers' is non-nil, this variable will be ignored.
475 If that variable is nil, however, all headers that match this regexp
476 will be kept while the rest will be deleted before saving."
477 :group 'gnus-article-saving
480 (defcustom gnus-default-article-saver 'gnus-summary-save-in-rmail
481 "A function to save articles in your favourite format.
482 The function must be interactively callable (in other words, it must
483 be an Emacs command).
485 Gnus provides the following functions:
487 * gnus-summary-save-in-rmail (Rmail format)
488 * gnus-summary-save-in-mail (Unix mail format)
489 * gnus-summary-save-in-folder (MH folder)
490 * gnus-summary-save-in-file (article format)
491 * gnus-summary-save-body-in-file (article body)
492 * gnus-summary-save-in-vm (use VM's folder format)
493 * gnus-summary-write-to-file (article format -- overwrite)."
494 :group 'gnus-article-saving
495 :type '(radio (function-item gnus-summary-save-in-rmail)
496 (function-item gnus-summary-save-in-mail)
497 (function-item gnus-summary-save-in-folder)
498 (function-item gnus-summary-save-in-file)
499 (function-item gnus-summary-save-body-in-file)
500 (function-item gnus-summary-save-in-vm)
501 (function-item gnus-summary-write-to-file)))
503 (defcustom gnus-rmail-save-name 'gnus-plain-save-name
504 "A function generating a file name to save articles in Rmail format.
505 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
506 :group 'gnus-article-saving
509 (defcustom gnus-mail-save-name 'gnus-plain-save-name
510 "A function generating a file name to save articles in Unix mail format.
511 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
512 :group 'gnus-article-saving
515 (defcustom gnus-folder-save-name 'gnus-folder-save-name
516 "A function generating a file name to save articles in MH folder.
517 The function is called with NEWSGROUP, HEADERS, and optional LAST-FOLDER."
518 :group 'gnus-article-saving
521 (defcustom gnus-file-save-name 'gnus-numeric-save-name
522 "A function generating a file name to save articles in article format.
523 The function is called with NEWSGROUP, HEADERS, and optional
525 :group 'gnus-article-saving
528 (defcustom gnus-split-methods
529 '((gnus-article-archive-name)
530 (gnus-article-nndoc-name))
531 "*Variable used to suggest where articles are to be saved.
532 For instance, if you would like to save articles related to Gnus in
533 the file \"gnus-stuff\", and articles related to VM in \"vm-stuff\",
534 you could set this variable to something like:
536 '((\"^Subject:.*gnus\\|^Newsgroups:.*gnus\" \"gnus-stuff\")
537 (\"^Subject:.*vm\\|^Xref:.*vm\" \"vm-stuff\"))
539 This variable is an alist where the where the key is the match and the
540 value is a list of possible files to save in if the match is non-nil.
542 If the match is a string, it is used as a regexp match on the
543 article. If the match is a symbol, that symbol will be funcalled
544 from the buffer of the article to be saved with the newsgroup as the
545 parameter. If it is a list, it will be evaled in the same buffer.
547 If this form or function returns a string, this string will be used as
548 a possible file name; and if it returns a non-nil list, that list will
549 be used as possible file names."
550 :group 'gnus-article-saving
551 :type '(repeat (choice (list :value (fun) function)
552 (cons :value ("" "") regexp (repeat string))
555 (defcustom gnus-article-display-method-for-mime
556 'gnus-article-display-mime-message
557 "Function to display a MIME message.
558 The function is called from the article buffer."
559 :group 'gnus-article-mime
562 (defcustom gnus-article-display-method-for-traditional
563 'gnus-article-display-traditional-message
564 "*Function to display a traditional message.
565 The function is called from the article buffer."
566 :group 'gnus-article-mime
569 (defcustom gnus-page-delimiter "^\^L"
570 "*Regexp describing what to use as article page delimiters.
571 The default value is \"^\^L\", which is a form linefeed at the
572 beginning of a line."
574 :group 'gnus-article-various)
576 (defcustom gnus-article-mode-line-format "Gnus: %g [%w] %S%m"
577 "*The format specification for the article mode line.
578 See `gnus-summary-mode-line-format' for a closer description.
580 The following additional specs are available:
582 %w The article washing status.
583 %m The number of MIME parts in the article."
585 :group 'gnus-article-various)
587 (defcustom gnus-article-mode-hook nil
588 "*A hook for Gnus article mode."
590 :group 'gnus-article-various)
592 (when (featurep 'xemacs)
593 ;; Extracted from gnus-xmas-define in order to preserve user settings
594 (when (fboundp 'turn-off-scroll-in-place)
595 (add-hook 'gnus-article-mode-hook 'turn-off-scroll-in-place))
596 ;; Extracted from gnus-xmas-redefine in order to preserve user settings
597 (add-hook 'gnus-article-mode-hook 'gnus-xmas-article-menu-add))
599 (defcustom gnus-article-menu-hook nil
600 "*Hook run after the creation of the article mode menu."
602 :group 'gnus-article-various)
604 (defcustom gnus-article-prepare-hook nil
605 "*A hook called after an article has been prepared in the article buffer."
607 :group 'gnus-article-various)
609 (defvar gnus-article-hide-pgp-hook nil)
610 (make-obsolete-variable 'gnus-article-hide-pgp-hook
611 "This variable is obsolete in Gnus 5.10.")
613 (defcustom gnus-article-button-face 'bold
614 "Face used for highlighting buttons in the article buffer.
616 An article button is a piece of text that you can activate by pressing
617 `RET' or `mouse-2' above it."
619 :group 'gnus-article-buttons)
621 (defcustom gnus-article-mouse-face 'highlight
622 "Face used for mouse highlighting in the article buffer.
624 Article buttons will be displayed in this face when the cursor is
627 :group 'gnus-article-buttons)
629 (defcustom gnus-signature-face 'gnus-signature-face
630 "Face used for highlighting a signature in the article buffer.
631 Obsolete; use the face `gnus-signature-face' for customizations instead."
633 :group 'gnus-article-highlight
634 :group 'gnus-article-signature)
636 (defface gnus-signature-face
639 "Face used for highlighting a signature in the article buffer."
640 :group 'gnus-article-highlight
641 :group 'gnus-article-signature)
643 (defface gnus-header-from-face
646 (:foreground "spring green"))
649 (:foreground "red3"))
652 "Face used for displaying from headers."
653 :group 'gnus-article-headers
654 :group 'gnus-article-highlight)
656 (defface gnus-header-subject-face
659 (:foreground "SeaGreen3"))
662 (:foreground "red4"))
664 (:bold t :italic t)))
665 "Face used for displaying subject headers."
666 :group 'gnus-article-headers
667 :group 'gnus-article-highlight)
669 (defface gnus-header-newsgroups-face
672 (:foreground "yellow" :italic t))
675 (:foreground "MidnightBlue" :italic t))
678 "Face used for displaying newsgroups headers."
679 :group 'gnus-article-headers
680 :group 'gnus-article-highlight)
682 (defface gnus-header-name-face
685 (:foreground "SeaGreen"))
688 (:foreground "maroon"))
691 "Face used for displaying header names."
692 :group 'gnus-article-headers
693 :group 'gnus-article-highlight)
695 (defface gnus-header-content-face
698 (:foreground "forest green" :italic t))
701 (:foreground "indianred4" :italic t))
704 "Face used for displaying header content."
705 :group 'gnus-article-headers
706 :group 'gnus-article-highlight)
708 (defcustom gnus-header-face-alist
709 '(("From" nil gnus-header-from-face)
710 ("Subject" nil gnus-header-subject-face)
711 ("Newsgroups:.*," nil gnus-header-newsgroups-face)
712 ("" gnus-header-name-face gnus-header-content-face))
713 "*Controls highlighting of article header.
715 An alist of the form (HEADER NAME CONTENT).
717 HEADER is a regular expression which should match the name of an
718 header header and NAME and CONTENT are either face names or nil.
720 The name of each header field will be displayed using the face
721 specified by the first element in the list where HEADER match the
722 header name and NAME is non-nil. Similarly, the content will be
723 displayed by the first non-nil matching CONTENT face."
724 :group 'gnus-article-headers
725 :group 'gnus-article-highlight
726 :type '(repeat (list (regexp :tag "Header")
728 (item :tag "skip" nil)
729 (face :value default))
730 (choice :tag "Content"
731 (item :tag "skip" nil)
732 (face :value default)))))
734 (defcustom gnus-article-decode-hook
735 '(article-decode-group-name article-decode-idna-rhs)
736 "*Hook run to decode charsets in articles."
737 :group 'gnus-article-headers
740 (defcustom gnus-display-mime-function 'gnus-display-mime
741 "Function to display MIME articles."
742 :group 'gnus-article-mime
745 (defvar gnus-decode-header-function 'mail-decode-encoded-word-region
746 "Function used to decode headers.")
748 (defvar gnus-article-dumbquotes-map
768 "Table for MS-to-Latin1 translation.")
770 (defcustom gnus-ignored-mime-types nil
771 "List of MIME types that should be ignored by Gnus."
773 :group 'gnus-article-mime
774 :type '(repeat regexp))
776 (defcustom gnus-unbuttonized-mime-types '(".*/.*")
777 "List of MIME types that should not be given buttons when rendered inline.
778 See also `gnus-buttonized-mime-types' which may override this variable.
779 This variable is only used when `gnus-inhibit-mime-unbuttonizing' is nil."
781 :group 'gnus-article-mime
782 :type '(repeat regexp))
784 (defcustom gnus-buttonized-mime-types nil
785 "List of MIME types that should be given buttons when rendered inline.
786 If set, this variable overrides `gnus-unbuttonized-mime-types'.
787 To see e.g. security buttons you could set this to
788 `(\"multipart/signed\")'.
789 This variable is only used when `gnus-inhibit-mime-unbuttonizing' is nil."
791 :group 'gnus-article-mime
792 :type '(repeat regexp))
794 (defcustom gnus-inhibit-mime-unbuttonizing nil
795 "If non-nil, all MIME parts get buttons.
796 When nil (the default value), then some MIME parts do not get buttons,
797 as described by the variables `gnus-buttonized-mime-types' and
798 `gnus-unbuttonized-mime-types'."
802 (defcustom gnus-body-boundary-delimiter "_"
803 "String used to delimit header and body.
804 This variable is used by `gnus-article-treat-body-boundary' which can
805 be controlled by `gnus-treat-body-boundary'."
806 :group 'gnus-article-various
807 :type '(choice (item :tag "None" :value nil)
810 (defcustom gnus-picon-databases '("/usr/lib/picon" "/usr/local/faces")
811 "Defines the location of the faces database.
812 For information on obtaining this database of pretty pictures, please
813 see http://www.cs.indiana.edu/picons/ftp/index.html"
814 :type '(repeat directory)
815 :link '(url-link :tag "download"
816 "http://www.cs.indiana.edu/picons/ftp/index.html")
817 :link '(custom-manual "(gnus)Picons")
820 (defun gnus-picons-installed-p ()
821 "Say whether picons are installed on your machine."
822 (let ((installed nil))
823 (dolist (database gnus-picon-databases)
824 (when (file-exists-p database)
828 (defcustom gnus-article-mime-part-function nil
829 "Function called with a MIME handle as the argument.
830 This is meant for people who want to do something automatic based
831 on parts -- for instance, adding Vcard info to a database."
832 :group 'gnus-article-mime
835 (defcustom gnus-mime-multipart-functions nil
836 "An alist of MIME types to functions to display them."
838 :group 'gnus-article-mime
841 (defcustom gnus-article-date-lapsed-new-header nil
842 "Whether the X-Sent and Date headers can coexist.
843 When using `gnus-treat-date-lapsed', the \"X-Sent:\" header will
844 either replace the old \"Date:\" header (if this variable is nil), or
845 be added below it (otherwise)."
847 :group 'gnus-article-headers
850 (defcustom gnus-article-mime-match-handle-function 'undisplayed-alternative
851 "Function called with a MIME handle as the argument.
852 This is meant for people who want to view first matched part.
853 For `undisplayed-alternative' (default), the first undisplayed
854 part or alternative part is used. For `undisplayed', the first
855 undisplayed part is used. For a function, the first part which
856 the function return t is used. For nil, the first part is
859 :group 'gnus-article-mime
861 (item :tag "first" :value nil)
862 (item :tag "undisplayed" :value undisplayed)
863 (item :tag "undisplayed or alternative"
864 :value undisplayed-alternative)
867 (defcustom gnus-mime-action-alist
868 '(("save to file" . gnus-mime-save-part)
869 ("save and strip" . gnus-mime-save-part-and-strip)
870 ("delete part" . gnus-mime-delete-part)
871 ("display as text" . gnus-mime-inline-part)
872 ("view the part" . gnus-mime-view-part)
873 ("pipe to command" . gnus-mime-pipe-part)
874 ("toggle display" . gnus-article-press-button)
875 ("toggle display" . gnus-article-view-part-as-charset)
876 ("view as type" . gnus-mime-view-part-as-type)
877 ("view internally" . gnus-mime-view-part-internally)
878 ("view externally" . gnus-mime-view-part-externally))
879 "An alist of actions that run on the MIME attachment."
880 :group 'gnus-article-mime
881 :type '(repeat (cons (string :tag "name")
885 ;;; The treatment variables
888 (defvar gnus-part-display-hook nil
889 "Hook called on parts that are to receive treatment.")
891 (defvar gnus-article-treat-custom
892 '(choice (const :tag "Off" nil)
894 (const :tag "Header" head)
895 (const :tag "Last" last)
896 (const :tag "Mime" mime)
897 (integer :tag "Less")
898 (repeat :tag "Groups" regexp)
899 (sexp :tag "Predicate")))
901 (defvar gnus-article-treat-head-custom
902 '(choice (const :tag "Off" nil)
903 (const :tag "Header" head)))
905 (defvar gnus-article-treat-types '("text/plain")
908 (defvar gnus-inhibit-treatment nil
909 "Whether to inhibit treatment.")
911 (defcustom gnus-treat-highlight-signature '(or t (typep "text/x-vcard"))
912 "Highlight the signature.
913 Valid values are nil, t, `head', `last', an integer or a predicate.
914 See Info node `(gnus)Customizing Articles'."
915 :group 'gnus-article-treat
916 :link '(custom-manual "(gnus)Customizing Articles")
917 :type gnus-article-treat-custom)
918 (put 'gnus-treat-highlight-signature 'highlight t)
920 (defcustom gnus-treat-buttonize 100000
922 Valid values are nil, t, `head', `last', an integer or a predicate.
923 See Info node `(gnus)Customizing Articles'."
924 :group 'gnus-article-treat
925 :link '(custom-manual "(gnus)Customizing Articles")
926 :type gnus-article-treat-custom)
927 (put 'gnus-treat-buttonize 'highlight t)
929 (defcustom gnus-treat-buttonize-head 'head
930 "Add buttons to the head.
931 Valid values are nil, t, `head', `last', an integer or a predicate.
932 See Info node `(gnus)Customizing Articles' for details."
933 :group 'gnus-article-treat
934 :link '(custom-manual "(gnus)Customizing Articles")
935 :type gnus-article-treat-head-custom)
936 (put 'gnus-treat-buttonize-head 'highlight t)
938 (defcustom gnus-treat-emphasize
939 (and (or window-system
941 (>= (string-to-number emacs-version) 21))
944 Valid values are nil, t, `head', `last', an integer or a predicate.
945 See Info node `(gnus)Customizing Articles' for details."
946 :group 'gnus-article-treat
947 :link '(custom-manual "(gnus)Customizing Articles")
948 :type gnus-article-treat-custom)
949 (put 'gnus-treat-emphasize 'highlight t)
951 (defcustom gnus-treat-strip-cr nil
952 "Remove carriage returns.
953 Valid values are nil, t, `head', `last', an integer or a predicate.
954 See Info node `(gnus)Customizing Articles' for details."
955 :group 'gnus-article-treat
956 :link '(custom-manual "(gnus)Customizing Articles")
957 :type gnus-article-treat-custom)
959 (defcustom gnus-treat-unsplit-urls nil
960 "Remove newlines from within URLs.
961 Valid values are nil, t, `head', `last', an integer or a predicate.
962 See Info node `(gnus)Customizing Articles' for details."
963 :group 'gnus-article-treat
964 :link '(custom-manual "(gnus)Customizing Articles")
965 :type gnus-article-treat-custom)
967 (defcustom gnus-treat-leading-whitespace nil
968 "Remove leading whitespace in headers.
969 Valid values are nil, t, `head', `last', an integer or a predicate.
970 See Info node `(gnus)Customizing Articles' for details."
971 :group 'gnus-article-treat
972 :link '(custom-manual "(gnus)Customizing Articles")
973 :type gnus-article-treat-custom)
975 (defcustom gnus-treat-hide-headers 'head
977 Valid values are nil, t, `head', `last', an integer or a predicate.
978 See Info node `(gnus)Customizing Articles' for details."
979 :group 'gnus-article-treat
980 :link '(custom-manual "(gnus)Customizing Articles")
981 :type gnus-article-treat-head-custom)
983 (defcustom gnus-treat-hide-boring-headers nil
984 "Hide boring headers.
985 Valid values are nil, t, `head', `last', an integer or a predicate.
986 See Info node `(gnus)Customizing Articles' for details."
987 :group 'gnus-article-treat
988 :link '(custom-manual "(gnus)Customizing Articles")
989 :type gnus-article-treat-head-custom)
991 (defcustom gnus-treat-hide-signature nil
993 Valid values are nil, t, `head', `last', an integer or a predicate.
994 See Info node `(gnus)Customizing Articles' for details."
995 :group 'gnus-article-treat
996 :link '(custom-manual "(gnus)Customizing Articles")
997 :type gnus-article-treat-custom)
999 (defcustom gnus-treat-fill-article nil
1001 Valid values are nil, t, `head', `last', an integer or a predicate.
1002 See Info node `(gnus)Customizing Articles' for details."
1003 :group 'gnus-article-treat
1004 :link '(custom-manual "(gnus)Customizing Articles")
1005 :type gnus-article-treat-custom)
1007 (defcustom gnus-treat-hide-citation nil
1009 Valid values are nil, t, `head', `last', an integer or a predicate.
1010 See Info node `(gnus)Customizing Articles' for details."
1011 :group 'gnus-article-treat
1012 :link '(custom-manual "(gnus)Customizing Articles")
1013 :type gnus-article-treat-custom)
1015 (defcustom gnus-treat-hide-citation-maybe nil
1017 Valid values are nil, t, `head', `last', an integer or a predicate.
1018 See Info node `(gnus)Customizing Articles' for details."
1019 :group 'gnus-article-treat
1020 :link '(custom-manual "(gnus)Customizing Articles")
1021 :type gnus-article-treat-custom)
1023 (defcustom gnus-treat-strip-list-identifiers 'head
1024 "Strip list identifiers from `gnus-list-identifiers`.
1025 Valid values are nil, t, `head', `last', an integer or a predicate.
1026 See Info node `(gnus)Customizing Articles' for details."
1028 :group 'gnus-article-treat
1029 :link '(custom-manual "(gnus)Customizing Articles")
1030 :type gnus-article-treat-custom)
1032 (make-obsolete-variable 'gnus-treat-strip-pgp
1033 "This option is obsolete in Gnus 5.10.")
1035 (defcustom gnus-treat-strip-pem nil
1036 "Strip PEM signatures.
1037 Valid values are nil, t, `head', `last', an integer or a predicate.
1038 See Info node `(gnus)Customizing Articles' for details."
1039 :group 'gnus-article-treat
1040 :link '(custom-manual "(gnus)Customizing Articles")
1041 :type gnus-article-treat-custom)
1043 (defcustom gnus-treat-strip-banner t
1044 "Strip banners from articles.
1045 The banner to be stripped is specified in the `banner' group parameter.
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-custom)
1052 (defcustom gnus-treat-highlight-headers 'head
1053 "Highlight the headers.
1054 Valid values are nil, t, `head', `last', an integer or a predicate.
1055 See Info node `(gnus)Customizing Articles' for details."
1056 :group 'gnus-article-treat
1057 :link '(custom-manual "(gnus)Customizing Articles")
1058 :type gnus-article-treat-head-custom)
1059 (put 'gnus-treat-highlight-headers 'highlight t)
1061 (defcustom gnus-treat-highlight-citation t
1062 "Highlight cited text.
1063 Valid values are nil, t, `head', `last', an integer or a predicate.
1064 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-custom)
1068 (put 'gnus-treat-highlight-citation 'highlight t)
1070 (defcustom gnus-treat-date-ut nil
1071 "Display the Date in UT (GMT).
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-date-local nil
1079 "Display the Date in the local timezone.
1080 Valid values are nil, t, `head', `last', an integer or a predicate.
1081 See Info node `(gnus)Customizing Articles' for details."
1082 :group 'gnus-article-treat
1083 :link '(custom-manual "(gnus)Customizing Articles")
1084 :type gnus-article-treat-head-custom)
1086 (defcustom gnus-treat-date-english nil
1087 "Display the Date in a format that can be read aloud in English.
1088 Valid values are nil, t, `head', `last', an integer or a predicate.
1089 See Info node `(gnus)Customizing Articles' for details."
1090 :group 'gnus-article-treat
1091 :link '(custom-manual "(gnus)Customizing Articles")
1092 :type gnus-article-treat-head-custom)
1094 (defcustom gnus-treat-date-lapsed nil
1095 "Display the Date header in a way that says how much time has elapsed.
1096 Valid values are nil, t, `head', `last', an integer or a predicate.
1097 See Info node `(gnus)Customizing Articles' for details."
1098 :group 'gnus-article-treat
1099 :link '(custom-manual "(gnus)Customizing Articles")
1100 :type gnus-article-treat-head-custom)
1102 (defcustom gnus-treat-date-original nil
1103 "Display the date in the original timezone.
1104 Valid values are nil, t, `head', `last', an integer or a predicate.
1105 See Info node `(gnus)Customizing Articles' for details."
1106 :group 'gnus-article-treat
1107 :link '(custom-manual "(gnus)Customizing Articles")
1108 :type gnus-article-treat-head-custom)
1110 (defcustom gnus-treat-date-iso8601 nil
1111 "Display the date in the ISO8601 format.
1112 Valid values are nil, t, `head', `last', an integer or a predicate.
1113 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-head-custom)
1119 (defcustom gnus-treat-date-user-defined nil
1120 "Display the date in a user-defined format.
1121 The format is defined by the `gnus-article-time-format' variable.
1122 Valid values are nil, t, `head', `last', an integer or a predicate.
1123 See Info node `(gnus)Customizing Articles' for details."
1124 :group 'gnus-article-treat
1125 :link '(custom-manual "(gnus)Customizing Articles")
1126 :type gnus-article-treat-head-custom)
1128 (defcustom gnus-treat-strip-headers-in-body t
1129 "Strip the X-No-Archive header line from the beginning of the body.
1130 Valid values are nil, t, `head', `last', an integer or a predicate.
1131 See Info node `(gnus)Customizing Articles' for details."
1133 :group 'gnus-article-treat
1134 :link '(custom-manual "(gnus)Customizing Articles")
1135 :type gnus-article-treat-custom)
1137 (defcustom gnus-treat-strip-trailing-blank-lines nil
1138 "Strip trailing blank lines.
1139 Valid values are nil, t, `head', `last', an integer or a predicate.
1140 See Info node `(gnus)Customizing Articles' for details."
1141 :group 'gnus-article-treat
1142 :link '(custom-manual "(gnus)Customizing Articles")
1143 :type gnus-article-treat-custom)
1145 (defcustom gnus-treat-strip-leading-blank-lines nil
1146 "Strip leading blank lines.
1147 Valid values are nil, t, `head', `last', an integer or a predicate.
1148 See Info node `(gnus)Customizing Articles' for details."
1149 :group 'gnus-article-treat
1150 :link '(custom-manual "(gnus)Customizing Articles")
1151 :type gnus-article-treat-custom)
1153 (defcustom gnus-treat-strip-multiple-blank-lines nil
1154 "Strip multiple blank lines.
1155 Valid values are nil, t, `head', `last', an integer or a predicate.
1156 See Info node `(gnus)Customizing Articles' for details."
1157 :group 'gnus-article-treat
1158 :link '(custom-manual "(gnus)Customizing Articles")
1159 :type gnus-article-treat-custom)
1161 (defcustom gnus-treat-unfold-headers 'head
1162 "Unfold folded header lines.
1163 Valid values are nil, t, `head', `last', an integer or a predicate.
1164 See Info node `(gnus)Customizing Articles' for details."
1165 :group 'gnus-article-treat
1166 :link '(custom-manual "(gnus)Customizing Articles")
1167 :type gnus-article-treat-custom)
1169 (defcustom gnus-treat-fold-headers nil
1171 Valid values are nil, t, `head', `last', an integer or a predicate.
1172 See Info node `(gnus)Customizing Articles' for details."
1173 :group 'gnus-article-treat
1174 :link '(custom-manual "(gnus)Customizing Articles")
1175 :type gnus-article-treat-custom)
1177 (defcustom gnus-treat-fold-newsgroups 'head
1178 "Fold the Newsgroups and Followup-To headers.
1179 Valid values are nil, t, `head', `last', an integer or a predicate.
1180 See Info node `(gnus)Customizing Articles' for details."
1181 :group 'gnus-article-treat
1182 :link '(custom-manual "(gnus)Customizing Articles")
1183 :type gnus-article-treat-custom)
1185 (defcustom gnus-treat-overstrike t
1186 "Treat overstrike highlighting.
1187 Valid values are nil, t, `head', `last', an integer or a predicate.
1188 See Info node `(gnus)Customizing Articles' for details."
1189 :group 'gnus-article-treat
1190 :link '(custom-manual "(gnus)Customizing Articles")
1191 :type gnus-article-treat-custom)
1192 (put 'gnus-treat-overstrike 'highlight t)
1194 (defcustom gnus-treat-display-xface
1195 (and (not noninteractive)
1196 (or (and (fboundp 'image-type-available-p)
1197 (image-type-available-p 'xbm)
1198 (string-match "^0x" (shell-command-to-string "uncompface")))
1199 (and (featurep 'xemacs)
1201 (eq 'x-face-mule-gnus-article-display-x-face
1202 gnus-article-x-face-command))
1204 "Display X-Face headers.
1205 Valid values are nil, t, `head', `last', an integer or a predicate.
1206 See Info node `(gnus)Customizing Articles' and Info node
1207 `(gnus)X-Face' for details."
1208 :group 'gnus-article-treat
1210 :link '(custom-manual "(gnus)Customizing Articles")
1211 :link '(custom-manual "(gnus)X-Face")
1212 :type gnus-article-treat-head-custom)
1213 (put 'gnus-treat-display-xface 'highlight t)
1215 (defcustom gnus-article-should-use-smiley-mule
1216 (not (or (featurep 'xemacs)
1217 (gnus-image-type-available-p 'xpm)
1218 (gnus-image-type-available-p 'pbm)))
1219 "If non-nil, gnus uses `smiley-mule' for displaying smileys rather than
1220 `smiley'. It defaults to t when Emacs 20 or earlier is running.
1221 `smiley-mule' is boundled in BITMAP-MULE package. You can set it to t
1222 even if you are using Emacs 21+. It has no effect on XEmacs."
1223 :group 'gnus-article-various
1225 :get (lambda (symbol)
1226 (and (default-value symbol)
1227 (not (featurep 'xemacs))
1228 (module-installed-p 'smiley-mule)
1230 :set (lambda (symbol value)
1231 (set-default symbol (and value
1232 (not (featurep 'xemacs))
1233 (module-installed-p 'smiley-mule)
1236 (defvar gnus-article-smiley-mule-loaded-p nil
1237 "Internal variable used to say whether `smiley-mule' is loaded (whether
1238 smiley functions are not overridden by `smiley').")
1240 (defcustom gnus-treat-display-face
1241 (and (not noninteractive)
1242 (or (and (fboundp 'image-type-available-p)
1243 (image-type-available-p 'png))
1244 (and (featurep 'xemacs)
1247 "Display Face headers.
1248 Valid values are nil, t, `head', `last', an integer or a predicate.
1249 See Info node `(gnus)Customizing Articles' and Info node
1250 `(gnus)X-Face' for details."
1251 :group 'gnus-article-treat
1253 :link '(custom-manual "(gnus)Customizing Articles")
1254 :link '(custom-manual "(gnus)X-Face")
1255 :type gnus-article-treat-head-custom)
1256 (put 'gnus-treat-display-face 'highlight t)
1258 (defcustom gnus-treat-display-smileys
1259 (if (or (and (featurep 'xemacs)
1261 (gnus-image-type-available-p 'xpm)
1262 (gnus-image-type-available-p 'pbm)
1263 (and (not (featurep 'xemacs))
1265 (module-installed-p 'smiley-mule)))
1269 Valid values are nil, t, `head', `last', an integer or a predicate.
1270 See Info node `(gnus)Customizing Articles' and Info node
1271 `(gnus)Smileys' for details."
1272 :group 'gnus-article-treat
1274 :link '(custom-manual "(gnus)Customizing Articles")
1275 :link '(custom-manual "(gnus)Smileys")
1276 :type gnus-article-treat-custom)
1277 (put 'gnus-treat-display-smileys 'highlight t)
1279 (defcustom gnus-treat-from-picon
1280 (if (and (gnus-image-type-available-p 'xpm)
1281 (gnus-picons-installed-p))
1283 "Display picons in the From header.
1284 Valid values are nil, t, `head', `last', an integer or a predicate.
1285 See Info node `(gnus)Customizing Articles' and Info node
1286 `(gnus)Picons' for details."
1287 :group 'gnus-article-treat
1289 :link '(custom-manual "(gnus)Customizing Articles")
1290 :link '(custom-manual "(gnus)Picons")
1291 :type gnus-article-treat-head-custom)
1292 (put 'gnus-treat-from-picon 'highlight t)
1294 (defcustom gnus-treat-mail-picon
1295 (if (and (gnus-image-type-available-p 'xpm)
1296 (gnus-picons-installed-p))
1298 "Display picons in To and Cc headers.
1299 Valid values are nil, t, `head', `last', an integer or a predicate.
1300 See Info node `(gnus)Customizing Articles' and Info node
1301 `(gnus)Picons' for details."
1302 :group 'gnus-article-treat
1304 :link '(custom-manual "(gnus)Customizing Articles")
1305 :link '(custom-manual "(gnus)Picons")
1306 :type gnus-article-treat-head-custom)
1307 (put 'gnus-treat-mail-picon 'highlight t)
1309 (defcustom gnus-treat-newsgroups-picon
1310 (if (and (gnus-image-type-available-p 'xpm)
1311 (gnus-picons-installed-p))
1313 "Display picons in the Newsgroups and Followup-To headers.
1314 Valid values are nil, t, `head', `last', an integer or a predicate.
1315 See Info node `(gnus)Customizing Articles' and Info node
1316 `(gnus)Picons' for details."
1317 :group 'gnus-article-treat
1319 :link '(custom-manual "(gnus)Customizing Articles")
1320 :link '(custom-manual "(gnus)Picons")
1321 :type gnus-article-treat-head-custom)
1322 (put 'gnus-treat-newsgroups-picon 'highlight t)
1324 (defcustom gnus-treat-body-boundary
1325 (if (or gnus-treat-newsgroups-picon
1326 gnus-treat-mail-picon
1327 gnus-treat-from-picon)
1329 "Draw a boundary at the end of the headers.
1330 Valid values are nil, t, `head', `last', an integer or a predicate.
1331 See Info node `(gnus)Customizing Articles' for details."
1333 :group 'gnus-article-treat
1334 :link '(custom-manual "(gnus)Customizing Articles")
1335 :type gnus-article-treat-custom)
1337 (defcustom gnus-treat-capitalize-sentences nil
1338 "Capitalize sentence-starting words.
1339 Valid values are nil, t, `head', `last', an integer or a predicate.
1340 See Info node `(gnus)Customizing Articles' for details."
1342 :group 'gnus-article-treat
1343 :link '(custom-manual "(gnus)Customizing Articles")
1344 :type gnus-article-treat-custom)
1346 (defcustom gnus-treat-wash-html nil
1348 Valid values are nil, t, `head', `last', an integer or a predicate.
1349 See Info node `(gnus)Customizing Articles' for details."
1350 :group 'gnus-article-treat
1351 :link '(custom-manual "(gnus)Customizing Articles")
1352 :type gnus-article-treat-custom)
1354 (defcustom gnus-treat-fill-long-lines nil
1356 Valid values are nil, t, `head', `last', an integer or a predicate.
1357 See Info node `(gnus)Customizing Articles' for details."
1358 :group 'gnus-article-treat
1359 :link '(custom-manual "(gnus)Customizing Articles")
1360 :type gnus-article-treat-custom)
1362 (defcustom gnus-treat-play-sounds nil
1364 Valid values are nil, t, `head', `last', an integer or a predicate.
1365 See Info node `(gnus)Customizing Articles' for details."
1367 :group 'gnus-article-treat
1368 :link '(custom-manual "(gnus)Customizing Articles")
1369 :type gnus-article-treat-custom)
1371 (defcustom gnus-treat-decode-article-as-default-mime-charset nil
1372 "Decode an article as `default-mime-charset'. For instance, if you want to
1373 attempt to decode an article even if the value of `gnus-show-mime' is nil,
1374 you could set this variable to something like: nil for don't decode, t for
1375 decode the body, '(or header t) for the whole article, etc."
1376 :group 'gnus-article-treat
1377 :type '(radio (const :tag "Off" nil)
1378 (const :tag "Decode body" t)
1379 (const :tag "Decode all" (or head t))))
1381 (defcustom gnus-treat-translate nil
1382 "Translate articles from one language to another.
1383 Valid values are nil, t, `head', `last', an integer or a predicate.
1384 See Info node `(gnus)Customizing Articles' for details."
1386 :group 'gnus-article-treat
1387 :link '(custom-manual "(gnus)Customizing Articles")
1388 :type gnus-article-treat-custom)
1390 (defcustom gnus-treat-x-pgp-sig nil
1392 To automatically treat X-PGP-Sig, set it to head.
1393 Valid values are nil, t, `head', `last', an integer or a predicate.
1394 See Info node `(gnus)Customizing Articles' for details."
1395 :group 'gnus-article-treat
1396 :group 'mime-security
1397 :type gnus-article-treat-custom)
1399 (defcustom gnus-treat-monafy nil
1400 "Display body part with mona font.
1401 Valid values are nil, t, `head', `last', an integer or a predicate.
1402 See Info node `(gnus)Customizing Articles' for details."
1403 :group 'gnus-article-treat
1404 :group 'mime-security
1405 :link '(custom-manual "(gnus)Customizing Articles")
1406 :type gnus-article-treat-custom)
1408 (defvar gnus-article-encrypt-protocol-alist
1409 '(("PGP" . mml2015-self-encrypt)))
1411 ;; Set to nil if more than one protocol added to
1412 ;; gnus-article-encrypt-protocol-alist.
1413 (defcustom gnus-article-encrypt-protocol "PGP"
1414 "The protocol used for encrypt articles.
1415 It is a string, such as \"PGP\". If nil, ask user."
1417 :group 'mime-security)
1419 (defvar gnus-article-wash-function nil
1420 "Function used for converting HTML into text.")
1422 (defcustom gnus-use-idna (and (condition-case nil (require 'idna) (file-error))
1423 (fboundp 'coding-system-p)
1424 (coding-system-p 'utf-8))
1425 "Whether IDNA decoding of headers is used when viewing messages.
1426 This requires GNU Libidn, and by default only enabled if it is found."
1427 :group 'gnus-article-headers
1430 ;;; Internal variables
1432 (defvar gnus-english-month-names
1433 '("January" "February" "March" "April" "May" "June" "July" "August"
1434 "September" "October" "November" "December"))
1436 (defvar article-goto-body-goes-to-point-min-p nil)
1437 (defvar gnus-article-wash-types nil)
1438 (defvar gnus-article-emphasis-alist nil)
1439 (defvar gnus-article-image-alist nil)
1441 (defvar gnus-article-mime-handle-alist-1 nil)
1442 (defvar gnus-treatment-function-alist
1443 '((gnus-treat-decode-article-as-default-mime-charset
1444 gnus-article-decode-article-as-default-mime-charset)
1445 (gnus-treat-x-pgp-sig gnus-article-verify-x-pgp-sig)
1446 (gnus-treat-monafy gnus-article-monafy)
1447 (gnus-treat-strip-banner gnus-article-strip-banner)
1448 (gnus-treat-strip-headers-in-body gnus-article-strip-headers-in-body)
1449 (gnus-treat-buttonize gnus-article-add-buttons)
1450 (gnus-treat-fill-article gnus-article-fill-cited-article)
1451 (gnus-treat-fill-long-lines gnus-article-fill-long-lines)
1452 (gnus-treat-strip-cr gnus-article-remove-cr)
1453 (gnus-treat-unsplit-urls gnus-article-unsplit-urls)
1454 (gnus-treat-date-ut gnus-article-date-ut)
1455 (gnus-treat-date-local gnus-article-date-local)
1456 (gnus-treat-date-english gnus-article-date-english)
1457 (gnus-treat-date-lapsed gnus-article-date-lapsed)
1458 (gnus-treat-date-original gnus-article-date-original)
1459 (gnus-treat-date-user-defined gnus-article-date-user)
1460 (gnus-treat-date-iso8601 gnus-article-date-iso8601)
1461 (gnus-treat-display-face gnus-article-display-face)
1462 (gnus-treat-hide-headers gnus-article-maybe-hide-headers)
1463 (gnus-treat-hide-boring-headers gnus-article-hide-boring-headers)
1464 (gnus-treat-hide-signature gnus-article-hide-signature)
1465 (gnus-treat-strip-list-identifiers gnus-article-hide-list-identifiers)
1466 (gnus-treat-leading-whitespace gnus-article-remove-leading-whitespace)
1467 (gnus-treat-strip-pem gnus-article-hide-pem)
1468 (gnus-treat-from-picon gnus-treat-from-picon)
1469 (gnus-treat-mail-picon gnus-treat-mail-picon)
1470 (gnus-treat-newsgroups-picon gnus-treat-newsgroups-picon)
1471 (gnus-treat-highlight-headers gnus-article-highlight-headers)
1472 (gnus-treat-highlight-signature gnus-article-highlight-signature)
1473 (gnus-treat-strip-trailing-blank-lines
1474 gnus-article-remove-trailing-blank-lines)
1475 (gnus-treat-strip-leading-blank-lines
1476 gnus-article-strip-leading-blank-lines)
1477 (gnus-treat-strip-multiple-blank-lines
1478 gnus-article-strip-multiple-blank-lines)
1479 (gnus-treat-overstrike gnus-article-treat-overstrike)
1480 (gnus-treat-unfold-headers gnus-article-treat-unfold-headers)
1481 (gnus-treat-fold-headers gnus-article-treat-fold-headers)
1482 ;; Displaying X-Face should be done after unfolding headers
1483 ;; to protect bitmap lines.
1484 (gnus-treat-display-xface gnus-article-display-x-face)
1485 (gnus-treat-fold-newsgroups gnus-article-treat-fold-newsgroups)
1486 (gnus-treat-buttonize-head gnus-article-add-buttons-to-head)
1487 (gnus-treat-display-smileys gnus-treat-smiley)
1488 (gnus-treat-capitalize-sentences gnus-article-capitalize-sentences)
1489 (gnus-treat-wash-html gnus-article-wash-html)
1490 (gnus-treat-emphasize gnus-article-emphasize)
1491 (gnus-treat-hide-citation gnus-article-hide-citation)
1492 (gnus-treat-hide-citation-maybe gnus-article-hide-citation-maybe)
1493 (gnus-treat-highlight-citation gnus-article-highlight-citation)
1494 (gnus-treat-body-boundary gnus-article-treat-body-boundary)
1495 (gnus-treat-play-sounds gnus-earcon-display)))
1497 (defvar gnus-article-mime-handle-alist nil)
1498 (defvar article-lapsed-timer nil)
1499 (defvar gnus-article-current-summary nil)
1501 (defvar gnus-article-mode-syntax-table
1502 (let ((table (copy-syntax-table text-mode-syntax-table)))
1503 ;; This causes the citation match run O(2^n).
1504 ;; (modify-syntax-entry ?- "w" table)
1505 (modify-syntax-entry ?> ")<" table)
1506 (modify-syntax-entry ?< "(>" table)
1507 ;; make M-. in article buffers work for `foo' strings
1508 (modify-syntax-entry ?' " " table)
1509 (modify-syntax-entry ?` " " table)
1511 "Syntax table used in article mode buffers.
1512 Initialized from `text-mode-syntax-table.")
1514 (defvar gnus-save-article-buffer nil)
1516 (defvar gnus-article-mode-line-format-alist
1517 (nconc '((?w (gnus-article-wash-status) ?s)
1518 (?m (gnus-article-mime-part-status) ?s))
1519 gnus-summary-mode-line-format-alist))
1521 (defvar gnus-number-of-articles-to-be-saved nil)
1523 (defvar gnus-inhibit-hiding nil)
1525 ;;; Macros for dealing with the article buffer.
1527 (defmacro gnus-with-article-headers (&rest forms)
1529 (set-buffer gnus-article-buffer)
1531 (let ((buffer-read-only nil)
1532 (inhibit-point-motion-hooks t)
1533 (case-fold-search t))
1534 (article-narrow-to-head)
1537 (put 'gnus-with-article-headers 'lisp-indent-function 0)
1538 (put 'gnus-with-article-headers 'edebug-form-spec '(body))
1540 (defmacro gnus-with-article-buffer (&rest forms)
1542 (set-buffer gnus-article-buffer)
1543 (let ((buffer-read-only nil))
1546 (put 'gnus-with-article-buffer 'lisp-indent-function 0)
1547 (put 'gnus-with-article-buffer 'edebug-form-spec '(body))
1549 (defun gnus-article-goto-header (header)
1550 "Go to HEADER, which is a regular expression."
1551 (re-search-forward (concat "^\\(" header "\\):") nil t))
1553 (defsubst gnus-article-hide-text (b e props)
1554 "Set text PROPS on the B to E region, extending `intangible' 1 past B."
1555 (gnus-add-text-properties-when 'article-type nil b e props)
1556 (when (memq 'intangible props)
1558 (max (1- b) (point-min))
1559 b 'intangible (cddr (memq 'intangible props)))))
1561 (defsubst gnus-article-unhide-text (b e)
1562 "Remove hidden text properties from region between B and E."
1563 (remove-text-properties b e gnus-hidden-properties)
1564 (when (memq 'intangible gnus-hidden-properties)
1565 (put-text-property (max (1- b) (point-min))
1566 b 'intangible nil)))
1568 (defun gnus-article-hide-text-type (b e type)
1569 "Hide text of TYPE between B and E."
1570 (gnus-add-wash-type type)
1571 (gnus-article-hide-text
1572 b e (cons 'article-type (cons type gnus-hidden-properties))))
1574 (defun gnus-article-unhide-text-type (b e type)
1575 "Unhide text of TYPE between B and E."
1576 (gnus-delete-wash-type type)
1577 (remove-text-properties
1578 b e (cons 'article-type (cons type gnus-hidden-properties)))
1579 (when (memq 'intangible gnus-hidden-properties)
1580 (put-text-property (max (1- b) (point-min))
1581 b 'intangible nil)))
1583 (defun gnus-article-hide-text-of-type (type)
1584 "Hide text of TYPE in the current buffer."
1586 (let ((b (point-min))
1588 (while (setq b (text-property-any b e 'article-type type))
1589 (add-text-properties b (incf b) gnus-hidden-properties)))))
1591 (defun gnus-article-delete-text-of-type (type)
1592 "Delete text of TYPE in the current buffer."
1594 (let ((b (point-min)))
1595 (while (setq b (text-property-any b (point-max) 'article-type type))
1597 b (or (text-property-not-all b (point-max) 'article-type type)
1600 (defun gnus-article-delete-invisible-text ()
1601 "Delete all invisible text in the current buffer."
1603 (let ((b (point-min)))
1604 (while (setq b (text-property-any b (point-max) 'invisible t))
1606 b (or (text-property-not-all b (point-max) 'invisible t)
1609 (defun gnus-article-text-type-exists-p (type)
1610 "Say whether any text of type TYPE exists in the buffer."
1611 (text-property-any (point-min) (point-max) 'article-type type))
1613 (defsubst gnus-article-header-rank ()
1614 "Give the rank of the string HEADER as given by `gnus-sorted-header-list'."
1615 (let ((list gnus-sorted-header-list)
1618 (if (looking-at (car list))
1620 (setq list (cdr list))
1624 (defun article-hide-headers (&optional arg delete)
1625 "Hide unwanted headers and possibly sort them as well."
1626 (interactive (gnus-article-hidden-arg))
1627 ;; Lars said that this function might be inhibited.
1628 (if (gnus-article-check-hidden-text 'headers arg)
1630 ;; Show boring headers as well.
1631 (gnus-article-show-hidden-text 'boring-headers)
1632 (when (eq 1 (point-min))
1633 (set-window-start (get-buffer-window (current-buffer)) 1)))
1634 (unless gnus-inhibit-hiding
1637 (let ((inhibit-read-only t)
1638 (case-fold-search t)
1639 (max (1+ (length gnus-sorted-header-list)))
1640 (ignored (when (not gnus-visible-headers)
1641 (cond ((stringp gnus-ignored-headers)
1642 gnus-ignored-headers)
1643 ((listp gnus-ignored-headers)
1644 (mapconcat 'identity gnus-ignored-headers
1647 (cond ((stringp gnus-visible-headers)
1648 gnus-visible-headers)
1649 ((and gnus-visible-headers
1650 (listp gnus-visible-headers))
1651 (mapconcat 'identity gnus-visible-headers "\\|"))))
1652 (inhibit-point-motion-hooks t)
1654 ;; First we narrow to just the headers.
1655 (article-narrow-to-head)
1656 ;; Hide any "From " lines at the beginning of (mail) articles.
1657 (while (looking-at "From ")
1661 (delete-region (point-min) (point))
1662 (gnus-article-hide-text (point-min) (point)
1663 (nconc (list 'article-type 'headers)
1664 gnus-hidden-properties))))
1665 ;; Then treat the rest of the header lines.
1666 ;; Then we use the two regular expressions
1667 ;; `gnus-ignored-headers' and `gnus-visible-headers' to
1668 ;; select which header lines is to remain visible in the
1670 (while (re-search-forward "^[^ \t:]*:" nil t)
1672 ;; Mark the rank of the header.
1674 (point) (1+ (point)) 'message-rank
1675 (if (or (and visible (looking-at visible))
1677 (not (looking-at ignored))))
1678 (gnus-article-header-rank)
1681 (message-sort-headers-1)
1682 (when (setq beg (text-property-any
1683 (point-min) (point-max) 'message-rank (+ 2 max)))
1684 ;; We delete or make invisible the unwanted headers.
1685 (gnus-add-wash-type 'headers)
1688 (add-text-properties
1689 (point-min) (+ 5 (point-min))
1690 '(article-type headers dummy-invisible t))
1691 (delete-region beg (point-max)))
1692 (gnus-article-hide-text-type beg (point-max) 'headers)))))))))
1694 (defun article-hide-boring-headers (&optional arg)
1695 "Toggle hiding of headers that aren't very interesting.
1696 If given a negative prefix, always show; if given a positive prefix,
1698 (interactive (gnus-article-hidden-arg))
1699 (when (and (not (gnus-article-check-hidden-text 'boring-headers arg))
1700 (not gnus-show-all-headers))
1703 (let ((buffer-read-only nil)
1704 (list gnus-boring-article-headers)
1705 (inhibit-point-motion-hooks t)
1707 (article-narrow-to-head)
1709 (setq elem (pop list))
1710 (goto-char (point-min))
1712 ;; Hide empty headers.
1714 (while (re-search-forward "^[^: \t]+:[ \t]*\n[^ \t]" nil t)
1716 (gnus-article-hide-text-type
1720 (if (re-search-forward "^[^ \t]" nil t)
1724 ;; Hide boring Newsgroups header.
1725 ((eq elem 'newsgroups)
1726 (when (gnus-string-equal
1727 (gnus-fetch-field "newsgroups")
1728 (gnus-group-real-name
1729 (if (boundp 'gnus-newsgroup-name)
1732 (gnus-article-hide-header "newsgroups")))
1733 ((eq elem 'to-address)
1734 (let ((to (message-fetch-field "to"))
1736 (gnus-parameter-to-address
1737 (if (boundp 'gnus-newsgroup-name)
1738 gnus-newsgroup-name ""))))
1739 (when (and to to-address
1742 ;; only one address in To
1743 (nth 1 (mail-extract-address-components to))
1745 (gnus-article-hide-header "to"))))
1747 (let ((to (message-fetch-field "to"))
1749 (gnus-parameter-to-list
1750 (if (boundp 'gnus-newsgroup-name)
1751 gnus-newsgroup-name ""))))
1752 (when (and to to-list
1755 ;; only one address in To
1756 (nth 1 (mail-extract-address-components to))
1758 (gnus-article-hide-header "to"))))
1760 (let ((cc (message-fetch-field "cc"))
1762 (gnus-parameter-to-list
1763 (if (boundp 'gnus-newsgroup-name)
1764 gnus-newsgroup-name ""))))
1765 (when (and cc to-list
1768 ;; only one address in CC
1769 (nth 1 (mail-extract-address-components cc))
1771 (gnus-article-hide-header "cc"))))
1772 ((eq elem 'followup-to)
1773 (when (gnus-string-equal
1774 (message-fetch-field "followup-to")
1775 (message-fetch-field "newsgroups"))
1776 (gnus-article-hide-header "followup-to")))
1777 ((eq elem 'reply-to)
1778 (let ((from (message-fetch-field "from"))
1779 (reply-to (message-fetch-field "reply-to")))
1784 (nth 1 (mail-extract-address-components from))
1785 (nth 1 (mail-extract-address-components reply-to)))))
1786 (gnus-article-hide-header "reply-to"))))
1788 (let ((date (message-fetch-field "date")))
1790 (< (days-between (current-time-string) date)
1792 (gnus-article-hide-header "date"))))
1794 (let ((to (message-fetch-field "to"))
1795 (cc (message-fetch-field "cc")))
1796 (when (> (length to) 1024)
1797 (gnus-article-hide-header "to"))
1798 (when (> (length cc) 1024)
1799 (gnus-article-hide-header "cc"))))
1803 (goto-char (point-min))
1804 (while (re-search-forward "^to:" nil t)
1805 (setq to-count (1+ to-count)))
1806 (when (> to-count 1)
1807 (while (> to-count 0)
1808 (goto-char (point-min))
1810 (re-search-forward "^to:" nil nil to-count)
1812 (narrow-to-region (point) (point-max))
1813 (gnus-article-hide-header "to"))
1814 (setq to-count (1- to-count))))
1815 (goto-char (point-min))
1816 (while (re-search-forward "^cc:" nil t)
1817 (setq cc-count (1+ cc-count)))
1818 (when (> cc-count 1)
1819 (while (> cc-count 0)
1820 (goto-char (point-min))
1822 (re-search-forward "^cc:" nil nil cc-count)
1824 (narrow-to-region (point) (point-max))
1825 (gnus-article-hide-header "cc"))
1826 (setq cc-count (1- cc-count)))))))))))))
1828 (defun gnus-article-hide-header (header)
1830 (goto-char (point-min))
1831 (when (re-search-forward (concat "^" header ":") nil t)
1832 (gnus-article-hide-text-type
1836 (if (re-search-forward "^[^ \t]" nil t)
1841 (defvar gnus-article-normalized-header-length 40
1842 "Length of normalized headers.")
1844 (defun article-normalize-headers ()
1845 "Make all header lines 40 characters long."
1847 (let ((buffer-read-only nil)
1851 (article-narrow-to-head)
1854 ((< (setq column (- (gnus-point-at-eol) (point)))
1855 gnus-article-normalized-header-length)
1857 (insert (make-string
1858 (- gnus-article-normalized-header-length column)
1860 ((> column gnus-article-normalized-header-length)
1861 (gnus-put-text-property
1863 (forward-char gnus-article-normalized-header-length)
1870 (forward-line 1))))))
1872 (defun article-treat-dumbquotes ()
1873 "Translate M****s*** sm*rtq**t*s into proper text.
1874 Note that this function guesses whether a character is a sm*rtq**t* or
1875 not, so it should only be used interactively.
1877 Sm*rtq**t*s are M****s***'s unilateral extension to the character map
1878 in an attempt to provide more quoting characters. If you see
1879 something like \\222 or \\264 where you're expecting some kind of
1880 apostrophe or quotation mark, then try this wash."
1882 (article-translate-strings gnus-article-dumbquotes-map))
1884 (defun article-translate-characters (from to)
1885 "Translate all characters in the body of the article according to FROM and TO.
1886 FROM is a string of characters to translate from; to is a string of
1887 characters to translate to."
1889 (when (article-goto-body)
1890 (let ((buffer-read-only nil)
1891 (x (make-string 225 ?x))
1893 (while (< (incf i) (length x))
1896 (while (< i (length from))
1897 (aset x (aref from i) (aref to i))
1899 (translate-region (point) (point-max) x)))))
1901 (defun article-translate-strings (map)
1902 "Translate all string in the body of the article according to MAP.
1903 MAP is an alist where the elements are on the form (\"from\" \"to\")."
1905 (when (article-goto-body)
1906 (let ((buffer-read-only nil)
1908 (while (setq elem (pop map))
1910 (while (search-forward (car elem) nil t)
1911 (replace-match (cadr elem)))))))))
1913 (defun article-treat-overstrike ()
1914 "Translate overstrikes into bold text."
1917 (when (article-goto-body)
1918 (let ((buffer-read-only nil))
1919 (while (search-forward "\b" nil t)
1920 (let ((next (char-after))
1924 previous (char-after))
1928 ;; We do the boldification/underlining by hiding the
1929 ;; overstrikes and putting the proper text property
1933 (gnus-article-hide-text-type start (point) 'overstrike)
1934 (put-text-property (point) end 'face 'bold))
1936 (gnus-article-hide-text-type
1937 (1- (point)) (1+ (point)) 'overstrike)
1939 start (1- (point)) 'face 'underline))
1941 (gnus-article-hide-text-type start (point) 'overstrike)
1943 (point) end 'face 'underline)))))))))
1945 (defun gnus-article-treat-unfold-headers ()
1946 "Unfold folded message headers.
1947 Only the headers that fit into the current window width will be
1950 (gnus-with-article-headers
1954 (mail-header-narrow-to-field)
1955 (let ((header (buffer-string)))
1958 (goto-char (point-min))
1959 (while (re-search-forward "\n[\t ]" nil t)
1960 (replace-match " " t t)))
1961 (setq length (- (point-max) (point-min) 1)))
1962 (when (< length (window-width))
1963 (while (re-search-forward "\n[\t ]" nil t)
1964 (replace-match " " t t)))
1965 (goto-char (point-max)))))))
1967 (defun gnus-article-treat-fold-headers ()
1968 "Fold message headers."
1970 (gnus-with-article-headers
1973 (mail-header-narrow-to-field)
1974 (mail-header-fold-field)
1975 (goto-char (point-max))))))
1977 (defun gnus-treat-smiley ()
1978 "Toggle display of textual emoticons (\"smileys\") as small graphical icons."
1980 (unless (featurep 'xemacs)
1981 (when (and (>= emacs-major-version 21)
1982 (not gnus-article-should-use-smiley-mule)
1983 gnus-article-smiley-mule-loaded-p)
1984 (load "smiley" nil t)
1985 (setq gnus-article-smiley-mule-loaded-p nil))
1986 (when (and gnus-article-should-use-smiley-mule
1987 (not gnus-article-smiley-mule-loaded-p))
1988 (load "smiley-mule" nil t)
1989 (setq gnus-article-smiley-mule-loaded-p t)))
1990 (gnus-with-article-buffer
1991 (if (memq 'smiley gnus-article-wash-types)
1992 (gnus-delete-images 'smiley)
1994 (let ((images (smiley-region (point) (point-max))))
1996 (gnus-add-wash-type 'smiley)
1997 (dolist (image images)
1998 (gnus-add-image 'smiley image)))))))
2000 (defun gnus-article-remove-images ()
2001 "Remove all images from the article buffer."
2003 (gnus-with-article-buffer
2004 (dolist (elem gnus-article-image-alist)
2005 (gnus-delete-images (car elem)))))
2007 (defun gnus-article-treat-fold-newsgroups ()
2008 "Unfold folded message headers.
2009 Only the headers that fit into the current window width will be
2012 (gnus-with-article-headers
2013 (while (gnus-article-goto-header "newsgroups\\|followup-to")
2015 (mail-header-narrow-to-field)
2016 (while (re-search-forward ", *" nil t)
2017 (replace-match ", " t t))
2018 (mail-header-fold-field)
2019 (goto-char (point-max))))))
2021 (defun gnus-article-treat-body-boundary ()
2022 "Place a boundary line at the end of the headers."
2024 (when (and gnus-body-boundary-delimiter
2025 (> (length gnus-body-boundary-delimiter) 0))
2026 (gnus-with-article-headers
2027 (goto-char (point-max))
2028 (let ((start (point)))
2029 (insert "X-Boundary: ")
2030 (gnus-add-text-properties start (point) '(invisible t intangible t))
2032 (while (>= (1- (window-width)) (length str))
2033 (setq str (concat str gnus-body-boundary-delimiter)))
2034 (substring str 0 (1- (window-width))))
2036 (gnus-put-text-property start (point) 'gnus-decoration 'header)))))
2038 (defun article-fill-long-lines ()
2039 "Fill lines that are wider than the window width."
2042 (let ((buffer-read-only nil)
2043 (width (window-width (get-buffer-window (current-buffer)))))
2046 (let ((adaptive-fill-mode nil)) ;Why? -sm
2049 (when (>= (current-column) (min fill-column width))
2050 (narrow-to-region (min (1+ (point)) (point-max))
2051 (gnus-point-at-bol))
2052 (let ((goback (point-marker)))
2053 (fill-paragraph nil)
2054 (goto-char (marker-position goback)))
2056 (forward-line 1)))))))
2058 (defun article-capitalize-sentences ()
2059 "Capitalize the first word in each sentence."
2062 (let ((buffer-read-only nil)
2063 (paragraph-start "^[\n\^L]"))
2067 (forward-sentence)))))
2069 (defun article-remove-cr ()
2070 "Remove trailing CRs and then translate remaining CRs into LFs."
2073 (let ((buffer-read-only nil))
2074 (goto-char (point-min))
2075 (while (re-search-forward "\r+$" nil t)
2076 (replace-match "" t t))
2077 (goto-char (point-min))
2078 (while (search-forward "\r" nil t)
2079 (replace-match "\n" t t)))))
2081 (defun article-remove-trailing-blank-lines ()
2082 "Remove all trailing blank lines from the article."
2085 (let ((buffer-read-only nil))
2086 (goto-char (point-max))
2090 (while (and (not (bobp))
2091 (looking-at "^[ \t]*$")
2092 (not (gnus-annotation-in-region-p
2093 (point) (gnus-point-at-eol))))
2098 (defun article-display-face ()
2099 "Display any Face headers in the header."
2101 (gnus-with-article-headers
2102 (let ((face (message-fetch-field "face")))
2104 (let ((png (gnus-convert-face-to-png face))
2107 (setq image (gnus-create-image png 'png t))
2108 (gnus-article-goto-header "from")
2110 (insert "From: [no `from' set]\n")
2112 (gnus-add-wash-type 'face)
2113 (gnus-add-image 'face image)
2114 (gnus-put-image image)))))))
2116 (defun article-display-x-face (&optional force)
2117 "Look for an X-Face header and display it if present."
2118 (interactive (list 'force))
2119 (let ((wash-face-p buffer-read-only)) ;; When type `W f'
2120 (gnus-with-article-headers
2121 ;; Delete the old process, if any.
2122 (when (process-status "article-x-face")
2123 (delete-process "article-x-face"))
2124 (if (memq 'xface gnus-article-wash-types)
2125 ;; We have already displayed X-Faces, so we remove them
2127 (gnus-delete-images 'xface)
2129 (let (x-faces from face)
2131 (when (and wash-face-p
2133 (goto-char (point-min))
2134 (not (re-search-forward
2135 "^X-Face\\(-[0-9]+\\)?:[\t ]*" nil t)))
2136 (gnus-buffer-live-p gnus-original-article-buffer))
2137 ;; If type `W f', use gnus-original-article-buffer,
2138 ;; otherwise use the current buffer because displaying
2139 ;; RFC822 parts calls this function too.
2140 (set-buffer gnus-original-article-buffer))
2142 (mail-narrow-to-head)
2143 (while (gnus-article-goto-header "X-Face")
2144 (push (mail-header-field-value) x-faces))
2145 (setq from (message-fetch-field "from"))))
2146 ;; Sending multiple EOFs to xv doesn't work, so we only do a
2147 ;; single external face.
2148 (when (stringp gnus-article-x-face-command)
2149 (setq x-faces (list (car x-faces))))
2150 (while (and (setq face (pop x-faces))
2151 gnus-article-x-face-command
2153 ;; Check whether this face is censored.
2154 (not gnus-article-x-face-too-ugly)
2155 (and gnus-article-x-face-too-ugly from
2156 (not (string-match gnus-article-x-face-too-ugly
2158 ;; We display the face.
2159 (if (symbolp gnus-article-x-face-command)
2160 ;; The command is a lisp function, so we call it.
2161 (if (gnus-functionp gnus-article-x-face-command)
2162 (funcall gnus-article-x-face-command face)
2163 (error "%s is not a function" gnus-article-x-face-command))
2164 ;; The command is a string, so we interpret the command
2165 ;; as a, well, command, and fork it off.
2166 (let ((process-connection-type nil))
2167 (process-kill-without-query
2169 "article-x-face" nil shell-file-name shell-command-switch
2170 gnus-article-x-face-command))
2173 (process-send-region "article-x-face"
2174 (point-min) (point-max)))
2175 (process-send-eof "article-x-face")))))))))
2177 (defun article-decode-mime-words ()
2178 "Decode all MIME-encoded words in the article."
2181 (set-buffer gnus-article-buffer)
2182 (let ((inhibit-point-motion-hooks t)
2184 (mail-parse-charset gnus-newsgroup-charset)
2185 (mail-parse-ignored-charsets
2186 (save-excursion (set-buffer gnus-summary-buffer)
2187 gnus-newsgroup-ignored-charsets)))
2188 (mail-decode-encoded-word-region (point-min) (point-max)))))
2190 (defun article-decode-charset (&optional prompt)
2191 "Decode charset-encoded text in the article.
2192 If PROMPT (the prefix), prompt for a coding system to use."
2194 (let ((inhibit-point-motion-hooks t) (case-fold-search t)
2196 (mail-parse-charset gnus-newsgroup-charset)
2197 (mail-parse-ignored-charsets
2198 (save-excursion (condition-case nil
2199 (set-buffer gnus-summary-buffer)
2201 gnus-newsgroup-ignored-charsets))
2202 ct cte ctl charset format)
2205 (article-narrow-to-head)
2206 (setq ct (message-fetch-field "Content-Type" t)
2207 cte (message-fetch-field "Content-Transfer-Encoding" t)
2208 ctl (and ct (ignore-errors
2209 (mail-header-parse-content-type ct)))
2212 (mm-read-coding-system "Charset to decode: "))
2214 (mail-content-type-get ctl 'charset)))
2215 format (and ctl (mail-content-type-get ctl 'format)))
2217 (setq cte (mail-header-strip cte)))
2218 (if (and ctl (not (string-match "/" (car ctl))))
2220 (goto-char (point-max)))
2223 (narrow-to-region (point) (point-max))
2224 (when (and (eq mail-parse-charset 'gnus-decoded)
2225 (eq (mm-body-7-or-8) '8bit))
2226 ;; The text code could have been decoded.
2227 (setq charset mail-parse-charset))
2228 (when (and (or (not ctl)
2229 (equal (car ctl) "text/plain"))
2230 (not format)) ;; article with format will decode later.
2232 charset (and cte (intern (downcase
2233 (gnus-strip-whitespace cte))))
2234 (car ctl) prompt))))))
2236 (defun article-decode-encoded-words ()
2237 "Remove encoded-word encoding from headers."
2238 (let (buffer-read-only)
2239 (let ((charset (save-excursion
2240 (set-buffer gnus-summary-buffer)
2241 default-mime-charset)))
2242 (mime-decode-header-in-buffer charset))))
2244 (defun article-decode-group-name ()
2245 "Decode group names in `Newsgroups:'."
2246 (let ((inhibit-point-motion-hooks t)
2248 (method (gnus-find-method-for-group gnus-newsgroup-name)))
2249 (when (and (or gnus-group-name-charset-method-alist
2250 gnus-group-name-charset-group-alist)
2251 (gnus-buffer-live-p gnus-original-article-buffer))
2252 (when (nnmail-fetch-field "Newsgroups")
2253 (nnheader-replace-header "Newsgroups"
2254 (gnus-decode-newsgroups
2255 (with-current-buffer
2256 gnus-original-article-buffer
2257 (nnmail-fetch-field "Newsgroups"))
2258 gnus-newsgroup-name method)))
2259 (when (nnmail-fetch-field "Followup-To")
2260 (nnheader-replace-header "Followup-To"
2261 (gnus-decode-newsgroups
2262 (with-current-buffer
2263 gnus-original-article-buffer
2264 (nnmail-fetch-field "Followup-To"))
2265 gnus-newsgroup-name method))))))
2267 (autoload 'idna-to-unicode "idna")
2269 (defun article-decode-idna-rhs ()
2270 "Decode IDNA strings in RHS in From:, To: and Cc: headers in current buffer."
2273 (let ((inhibit-point-motion-hooks t)
2275 (article-narrow-to-head)
2276 (goto-char (point-min))
2277 (while (re-search-forward "\\(xn--.*\\)[ \t\n\r,>]" nil t)
2279 (when (save-match-data
2280 (and (setq ace (match-string 1))
2282 (and (re-search-backward "^[^ \t]" nil t)
2283 (looking-at "From\\|To\\|Cc")))
2284 (save-excursion (backward-char)
2285 (message-idna-inside-rhs-p))
2286 (setq unicode (idna-to-unicode ace))))
2287 (unless (string= ace unicode)
2288 (replace-match unicode nil nil nil 1)))))))))
2290 (defun article-de-quoted-unreadable (&optional force read-charset)
2291 "Translate a quoted-printable-encoded article.
2292 If FORCE, decode the article whether it is marked as quoted-printable
2294 If READ-CHARSET, ask for a coding system."
2295 (interactive (list 'force current-prefix-arg))
2297 (let ((buffer-read-only nil) type charset)
2298 (if (gnus-buffer-live-p gnus-original-article-buffer)
2299 (with-current-buffer gnus-original-article-buffer
2301 (gnus-fetch-field "content-transfer-encoding"))
2302 (let* ((ct (gnus-fetch-field "content-type"))
2305 (mail-header-parse-content-type ct)))))
2306 (setq charset (and ctl
2307 (mail-content-type-get ctl 'charset)))
2308 (if (stringp charset)
2309 (setq charset (intern (downcase charset)))))))
2311 (setq charset (mm-read-coding-system "Charset: " charset)))
2313 (setq charset gnus-newsgroup-charset))
2315 (and type (let ((case-fold-search t))
2316 (string-match "quoted-printable" type))))
2318 (quoted-printable-decode-region
2319 (point) (point-max) (mm-charset-to-coding-system charset))))))
2321 (defun article-de-base64-unreadable (&optional force read-charset)
2322 "Translate a base64 article.
2323 If FORCE, decode the article whether it is marked as base64 not.
2324 If READ-CHARSET, ask for a coding system."
2325 (interactive (list 'force current-prefix-arg))
2327 (let ((buffer-read-only nil) type charset)
2328 (if (gnus-buffer-live-p gnus-original-article-buffer)
2329 (with-current-buffer gnus-original-article-buffer
2331 (gnus-fetch-field "content-transfer-encoding"))
2332 (let* ((ct (gnus-fetch-field "content-type"))
2335 (mail-header-parse-content-type ct)))))
2336 (setq charset (and ctl
2337 (mail-content-type-get ctl 'charset)))
2338 (if (stringp charset)
2339 (setq charset (intern (downcase charset)))))))
2341 (setq charset (mm-read-coding-system "Charset: " charset)))
2343 (setq charset gnus-newsgroup-charset))
2345 (and type (let ((case-fold-search t))
2346 (string-match "base64" type))))
2349 (narrow-to-region (point) (point-max))
2350 (base64-decode-region (point-min) (point-max))
2351 (mm-decode-coding-region
2352 (point-min) (point-max) (mm-charset-to-coding-system charset)))))))
2357 (defun article-decode-HZ ()
2358 "Translate a HZ-encoded article."
2362 (let ((buffer-read-only nil))
2363 (rfc1843-decode-region (point-min) (point-max)))))
2365 (defun article-unsplit-urls ()
2366 "Remove the newlines that some other mailers insert into URLs."
2369 (let ((buffer-read-only nil))
2370 (goto-char (point-min))
2371 (while (re-search-forward
2372 "^\\(\\(https?\\|ftp\\)://\\S-+\\) *\n\\(\\S-+\\)" nil t)
2373 (replace-match "\\1\\3" t)))
2374 (when (and gnus-display-mime-function (interactive-p))
2375 (funcall gnus-display-mime-function))))
2378 (defun article-wash-html (&optional read-charset)
2379 "Format an HTML article.
2380 If READ-CHARSET, ask for a coding system."
2383 (let ((buffer-read-only nil)
2385 (when (gnus-buffer-live-p gnus-original-article-buffer)
2386 (with-current-buffer gnus-original-article-buffer
2387 (let* ((ct (gnus-fetch-field "content-type"))
2390 (mail-header-parse-content-type ct)))))
2391 (setq charset (and ctl
2392 (mail-content-type-get ctl 'charset)))
2393 (when (stringp charset)
2394 (setq charset (intern (downcase charset)))))))
2396 (setq charset (mm-read-coding-system "Charset: " charset)))
2398 (setq charset gnus-newsgroup-charset))
2400 (save-window-excursion
2402 (narrow-to-region (point) (point-max))
2403 (let* ((func (or gnus-article-wash-function mm-text-html-renderer))
2404 (entry (assq func mm-text-html-washer-alist)))
2406 (setq func (cdr entry)))
2408 ((gnus-functionp func)
2411 (apply (car func) (cdr func))))))))))
2413 (defun gnus-article-wash-html-with-w3 ()
2414 "Wash the current buffer with w3."
2416 (let ((w3-strict-width (window-width))
2417 (url-standalone-mode t)
2418 (url-gateway-unplugged t)
2419 (w3-honor-stylesheets nil))
2421 (w3-region (point-min) (point-max))
2424 (defun gnus-article-wash-html-with-w3m ()
2425 "Wash the current buffer with emacs-w3m."
2428 (narrow-to-region (point) (point-max))
2429 (let ((w3m-safe-url-regexp (if mm-inline-text-html-with-images
2432 w3m-force-redisplay)
2433 (w3m-region (point-min) (point-max)))
2434 (when mm-inline-text-html-with-w3m-keymap
2435 (add-text-properties
2436 (point-min) (point-max)
2437 (nconc (mm-w3m-local-map-property)
2438 '(mm-inline-text-html-with-w3m t))))))
2440 (defun article-hide-list-identifiers ()
2441 "Remove list identifies from the Subject header.
2442 The `gnus-list-identifiers' variable specifies what to do."
2444 (let ((inhibit-point-motion-hooks t)
2445 (regexp (if (consp gnus-list-identifiers)
2446 (mapconcat 'identity gnus-list-identifiers " *\\|")
2447 gnus-list-identifiers))
2452 (article-narrow-to-head)
2453 (goto-char (point-min))
2454 (while (re-search-forward
2455 (concat "^Subject: +\\(R[Ee]: +\\)*\\(" regexp " *\\)")
2457 (delete-region (match-beginning 2) (match-end 0))
2458 (beginning-of-line))
2459 (when (re-search-forward
2460 "^Subject: +\\(\\(R[Ee]: +\\)+\\)R[Ee]: +" nil t)
2461 (delete-region (match-beginning 1) (match-end 1))))))))
2463 (defun article-hide-pem (&optional arg)
2464 "Toggle hiding of any PEM headers and signatures in the current article.
2465 If given a negative prefix, always show; if given a positive prefix,
2467 (interactive (gnus-article-hidden-arg))
2468 (unless (gnus-article-check-hidden-text 'pem arg)
2470 (let (buffer-read-only end)
2471 (goto-char (point-min))
2472 ;; Hide the horrendously ugly "header".
2473 (when (and (search-forward
2474 "\n-----BEGIN PRIVACY-ENHANCED MESSAGE-----\n"
2476 (setq end (1+ (match-beginning 0))))
2477 (gnus-add-wash-type 'pem)
2478 (gnus-article-hide-text-type
2480 (if (search-forward "\n\n" nil t)
2484 ;; Hide the trailer as well
2485 (when (search-forward "\n-----END PRIVACY-ENHANCED MESSAGE-----\n"
2487 (gnus-article-hide-text-type
2488 (match-beginning 0) (match-end 0) 'pem)))))))
2490 (defun article-strip-banner ()
2491 "Strip the banners specified by the `banner' group parameter and by
2492 `gnus-article-address-banner-alist'."
2496 (let ((inhibit-point-motion-hooks t))
2497 (when (gnus-parameter-banner gnus-newsgroup-name)
2498 (article-really-strip-banner
2499 (gnus-parameter-banner gnus-newsgroup-name)))
2500 (when gnus-article-address-banner-alist
2501 (article-really-strip-banner
2502 (let ((from (save-restriction
2504 (article-narrow-to-head)
2505 (mail-fetch-field "from"))))
2508 (caar (mail-header-parse-addresses from))))
2510 (dolist (pair gnus-article-address-banner-alist)
2511 (when (string-match (car pair) from)
2512 (throw 'found (cdr pair)))))))))))))
2514 (defun article-really-strip-banner (banner)
2515 "Strip the banner specified by the argument."
2518 (let ((inhibit-point-motion-hooks t)
2519 (gnus-signature-limit nil)
2523 ((eq banner 'signature)
2524 (when (gnus-article-narrow-to-signature)
2527 (delete-region (point) (point-max))))
2529 (if (setq banner (cdr (assq banner gnus-article-banner-alist)))
2530 (while (re-search-forward banner nil t)
2531 (delete-region (match-beginning 0) (match-end 0)))))
2533 (while (re-search-forward banner nil t)
2534 (delete-region (match-beginning 0) (match-end 0)))))))))
2536 (defun article-babel ()
2537 "Translate article using an online translation service."
2541 (set-buffer gnus-article-buffer)
2542 (when (article-goto-body)
2543 (let* ((buffer-read-only nil)
2546 (orig (buffer-substring start end))
2547 (trans (babel-as-string orig)))
2549 (narrow-to-region start end)
2550 (delete-region start end)
2553 (defun article-hide-signature (&optional arg)
2554 "Hide the signature in the current article.
2555 If given a negative prefix, always show; if given a positive prefix,
2557 (interactive (gnus-article-hidden-arg))
2563 (article-goto-body))
2564 (goto-char (point-min)))
2565 (unless (gnus-article-check-hidden-text 'signature arg)
2566 (let ((buffer-read-only nil)
2568 (while (setq button (text-property-any button (point-max)
2570 'gnus-signature-toggle))
2571 (setq button (text-property-not-all button (point-max)
2573 'gnus-signature-toggle))
2574 (when (and button (not (eobp)))
2575 (gnus-article-hide-text-type
2577 (next-single-property-change (1+ button) 'mime-view-entity
2580 (gnus-set-mode-line 'article))
2582 (defun article-strip-headers-in-body ()
2583 "Strip offensive headers from bodies."
2587 (let ((case-fold-search t))
2588 (when (looking-at "x-no-archive:")
2589 (gnus-delete-line)))))
2591 (defun article-strip-leading-blank-lines ()
2592 "Remove all blank lines from the beginning of the article."
2595 (let ((inhibit-point-motion-hooks t)
2597 (when (article-goto-body)
2598 (while (and (not (eobp))
2599 (looking-at "[ \t]*$"))
2600 (gnus-delete-line))))))
2602 (defun article-narrow-to-head ()
2603 "Narrow the buffer to the head of the message.
2604 Point is left at the beginning of the narrowed-to region."
2606 (goto-char (point-min))
2607 (if (search-forward "\n\n" nil 1)
2610 (goto-char (point-min)))
2612 (defun article-goto-body ()
2613 "Place point at the start of the body."
2614 (goto-char (point-min))
2616 ;; This variable is only bound when dealing with separate
2618 (article-goto-body-goes-to-point-min-p
2620 ((search-forward "\n\n" nil t)
2623 (goto-char (point-max))
2626 (defun article-strip-multiple-blank-lines ()
2627 "Replace consecutive blank lines with one empty line."
2630 (let ((inhibit-point-motion-hooks t)
2632 ;; First make all blank lines empty.
2634 (while (re-search-forward "^[ \t]+$" nil t)
2635 (unless (gnus-annotation-in-region-p
2636 (match-beginning 0) (match-end 0))
2637 (replace-match "" nil t)))
2638 ;; Then replace multiple empty lines with a single empty line.
2640 (while (re-search-forward "\n\n\\(\n+\\)" nil t)
2641 (unless (gnus-annotation-in-region-p
2642 (match-beginning 0) (match-end 0))
2643 (delete-region (match-beginning 1) (match-end 1)))))))
2645 (defun article-strip-leading-space ()
2646 "Remove all white space from the beginning of the lines in the article."
2649 (let ((inhibit-point-motion-hooks t)
2652 (while (re-search-forward "^[ \t]+" nil t)
2653 (replace-match "" t t)))))
2655 (defun article-strip-trailing-space ()
2656 "Remove all white space from the end of the lines in the article."
2659 (let ((inhibit-point-motion-hooks t)
2662 (while (re-search-forward "[ \t]+$" nil t)
2663 (replace-match "" t t)))))
2665 (defun article-strip-blank-lines ()
2666 "Strip leading, trailing and multiple blank lines."
2668 (article-strip-leading-blank-lines)
2669 (article-remove-trailing-blank-lines)
2670 (article-strip-multiple-blank-lines))
2672 (defun article-strip-all-blank-lines ()
2673 "Strip all blank lines."
2676 (let ((inhibit-point-motion-hooks t)
2679 (while (re-search-forward "^[ \t]*\n" nil t)
2680 (replace-match "" t t)))))
2682 (defun gnus-article-narrow-to-signature ()
2683 "Narrow to the signature; return t if a signature is found, else nil."
2684 (let ((inhibit-point-motion-hooks t))
2685 (when (gnus-article-search-signature)
2687 ;; Check whether we have some limits to what we consider
2688 ;; to be a signature.
2689 (let ((limits (if (listp gnus-signature-limit) gnus-signature-limit
2690 (list gnus-signature-limit)))
2692 (while (setq limit (pop limits))
2693 (if (or (and (integerp limit)
2694 (< (- (point-max) (point)) limit))
2696 (< (count-lines (point) (point-max)) limit))
2697 (and (gnus-functionp limit)
2699 (and (stringp limit)
2700 (not (re-search-forward limit nil t))))
2701 () ; This limit did not succeed.
2705 (narrow-to-region (point) (point-max))
2708 (defun gnus-article-search-signature ()
2709 "Search the current buffer for the signature separator.
2710 Put point at the beginning of the signature separator."
2711 (let ((cur (point)))
2712 (goto-char (point-max))
2713 (if (if (stringp gnus-signature-separator)
2714 (re-search-backward gnus-signature-separator nil t)
2715 (let ((seps gnus-signature-separator))
2717 (not (re-search-backward (car seps) nil t)))
2724 (defun gnus-article-hidden-arg ()
2725 "Return the current prefix arg as a number, or 0 if no prefix."
2726 (list (if current-prefix-arg
2727 (prefix-numeric-value current-prefix-arg)
2730 (defun gnus-article-check-hidden-text (type arg)
2731 "Return nil if hiding is necessary.
2732 Arg can be nil or a number. nil and positive means hide, negative
2733 means show, 0 means toggle."
2736 (let ((hide (gnus-article-hidden-text-p type)))
2742 (gnus-article-show-hidden-text type)
2745 (if (eq hide 'hidden)
2747 (gnus-article-show-hidden-text type)
2751 (defun gnus-article-hidden-text-p (type)
2752 "Say whether the current buffer contains hidden text of type TYPE."
2753 (let ((pos (text-property-any (point-min) (point-max) 'article-type type)))
2755 (not (get-text-property pos 'invisible))
2756 (not (get-text-property pos 'dummy-invisible)))
2758 (text-property-any (1+ pos) (point-max) 'article-type type)))
2763 (defun gnus-article-show-hidden-text (type &optional dummy)
2764 "Show all hidden text of type TYPE.
2765 Originally it is hide instead of DUMMY."
2766 (let ((buffer-read-only nil)
2767 (inhibit-point-motion-hooks t))
2768 (gnus-remove-text-properties-when
2770 (point-min) (point-max)
2771 (cons 'article-type (cons type
2772 gnus-hidden-properties)))
2773 (gnus-delete-wash-type type)))
2775 (defconst article-time-units
2776 `((year . ,(* 365.25 24 60 60))
2777 (week . ,(* 7 24 60 60))
2778 (day . ,(* 24 60 60))
2782 "Mapping from time units to seconds.")
2784 (defun gnus-article-forward-header ()
2785 "Move point to the start of the next header.
2786 If the current header is a continuation header, this can be several
2791 (if (looking-at "[ \t]+[^ \t]")
2795 (defun article-date-ut (&optional type highlight header)
2796 "Convert DATE date to universal time in the current article.
2797 If TYPE is `local', convert to local time; if it is `lapsed', output
2798 how much time has lapsed since DATE. For `lapsed', the value of
2799 `gnus-article-date-lapsed-new-header' says whether the \"X-Sent:\" header
2800 should replace the \"Date:\" one, or should be added below it."
2801 (interactive (list 'ut t))
2802 (let* ((header (or header
2803 (and (eq 1 (point-min))
2804 (mail-header-date (save-excursion
2805 (set-buffer gnus-summary-buffer)
2806 gnus-current-headers)))
2807 (message-fetch-field "date")
2809 (date (if (vectorp header) (mail-header-date header)
2811 (inhibit-point-motion-hooks t)
2812 bface eface date-pos)
2813 (when (and date (not (string= date "")))
2816 (article-narrow-to-head)
2817 (when (or (and (eq type 'lapsed)
2818 gnus-article-date-lapsed-new-header
2819 ;; Attempt to get the face of X-Sent first.
2820 (re-search-forward "^X-Sent:[ \t]" nil t))
2821 (re-search-forward "^Date:[ \t]" nil t)
2822 ;; If Date is missing, try again for X-Sent.
2823 (re-search-forward "^X-Sent:[ \t]" nil t))
2824 (setq bface (get-text-property (gnus-point-at-bol) 'face)
2825 date (or (get-text-property (gnus-point-at-bol)
2828 eface (get-text-property (1- (gnus-point-at-eol))
2830 (let ((buffer-read-only nil))
2831 ;; Delete any old X-Sent headers.
2832 (when (setq date-pos
2833 (text-property-any (point-min) (point-max)
2834 'article-date-lapsed t))
2835 (goto-char (setq date-pos (set-marker (make-marker) date-pos)))
2836 (delete-region (match-beginning 0)
2837 (progn (forward-line 1) (point))))
2838 (goto-char (point-min))
2839 ;; Delete any old Date headers.
2840 (while (re-search-forward "^Date:[ \t]" nil t)
2842 (setq date-pos (match-beginning 0)))
2843 (unless (and (eq type 'lapsed)
2844 gnus-article-date-lapsed-new-header)
2845 (delete-region (match-beginning 0)
2846 (progn (message-next-header) (point)))))
2849 (goto-char date-pos)
2851 ;; Possibly, Date has been deleted.
2853 (when (and (eq type 'lapsed)
2854 gnus-article-date-lapsed-new-header
2855 (looking-at "Date:"))
2857 (goto-char (point-min)))
2858 (insert (article-make-date-line date type))
2859 (when (eq type 'lapsed)
2860 (put-text-property (gnus-point-at-bol) (point)
2861 'article-date-lapsed t))
2865 (when (looking-at "\\([^:]+\\): *\\(.*\\)$")
2866 (put-text-property (match-beginning 1) (1+ (match-end 1))
2867 'original-date date)
2868 (put-text-property (match-beginning 1) (1+ (match-end 1))
2870 (put-text-property (match-beginning 2) (match-end 2)
2873 (defun article-make-date-line (date type)
2874 "Return a DATE line of TYPE."
2875 (unless (memq type '(local ut original user iso8601 lapsed english))
2876 (error "Unknown conversion type: %s" type))
2878 (let ((time (date-to-time date)))
2880 ;; Convert to the local timezone.
2882 (let ((tz (car (current-time-zone time))))
2883 (format "Date: %s %s%02d%02d" (current-time-string time)
2884 (if (> tz 0) "+" "-") (/ (abs tz) 3600)
2885 (/ (% (abs tz) 3600) 60))))
2886 ;; Convert to Universal Time.
2889 (current-time-string
2890 (let* ((e (parse-time-string date))
2891 (tm (apply 'encode-time e))
2893 (ls (- (cadr tm) (car (current-time-zone time)))))
2894 (cond ((< ls 0) (list (1- ms) (+ ls 65536)))
2895 ((> ls 65535) (list (1+ ms) (- ls 65536)))
2898 ;; Get the original date from the article.
2899 ((eq type 'original)
2900 (concat "Date: " (if (string-match "\n+$" date)
2901 (substring date 0 (match-beginning 0))
2903 ;; Let the user define the format.
2905 (let ((format (or (condition-case nil
2906 (with-current-buffer gnus-summary-buffer
2907 gnus-article-time-format)
2909 gnus-article-time-format)))
2910 (if (gnus-functionp format)
2911 (funcall format time)
2912 (concat "Date: " (format-time-string format time)))))
2915 (let ((tz (car (current-time-zone time))))
2918 (format-time-string "%Y%m%dT%H%M%S" time)
2919 (format "%s%02d%02d"
2920 (if (> tz 0) "+" "-") (/ (abs tz) 3600)
2921 (/ (% (abs tz) 3600) 60)))))
2922 ;; Do an X-Sent lapsed format.
2924 ;; If the date is seriously mangled, the timezone functions are
2925 ;; liable to bug out, so we ignore all errors.
2926 (let* ((now (current-time))
2927 (real-time (subtract-time now time))
2928 (real-sec (and real-time
2929 (+ (* (float (car real-time)) 65536)
2931 (sec (and real-time (abs real-sec)))
2941 ;; This is a bit convoluted, but basically we go
2942 ;; through the time units for years, weeks, etc,
2943 ;; and divide things to see whether that results
2944 ;; in positive answers.
2947 (if (zerop (setq num (ffloor (/ sec (cdr unit)))))
2948 ;; The (remaining) seconds are too few to
2949 ;; be divided into this time unit.
2951 ;; It's big enough, so we output it.
2952 (setq sec (- sec (* num (cdr unit))))
2954 (concat (if prev ", " "") (int-to-string
2956 " " (symbol-name (car unit))
2957 (if (> num 1) "s" ""))
2959 article-time-units "")
2960 ;; If dates are odd, then it might appear like the
2961 ;; article was sent in the future.
2964 " in the future"))))))
2965 ;; Display the date in proper English
2967 (let ((dtime (decode-time time)))
2970 (number-to-string (nth 3 dtime))
2971 (let ((digit (% (nth 3 dtime) 10)))
2973 ((memq (nth 3 dtime) '(11 12 13)) "th")
2979 (nth (1- (nth 4 dtime)) gnus-english-month-names)
2981 (number-to-string (nth 5 dtime))
2983 (format "%02d" (nth 2 dtime))
2985 (format "%02d" (nth 1 dtime)))))))
2987 (format "Date: %s (from T-gnus)" date))))
2989 (defun article-date-local (&optional highlight)
2990 "Convert the current article date to the local timezone."
2991 (interactive (list t))
2992 (article-date-ut 'local highlight))
2994 (defun article-date-english (&optional highlight)
2995 "Convert the current article date to something that is proper English."
2996 (interactive (list t))
2997 (article-date-ut 'english highlight))
2999 (defun article-date-original (&optional highlight)
3000 "Convert the current article date to what it was originally.
3001 This is only useful if you have used some other date conversion
3002 function and want to see what the date was before converting."
3003 (interactive (list t))
3004 (article-date-ut 'original highlight))
3006 (defun article-date-lapsed (&optional highlight)
3007 "Convert the current article date to time lapsed since it was sent."
3008 (interactive (list t))
3009 (article-date-ut 'lapsed highlight))
3011 (defun article-update-date-lapsed ()
3012 "Function to be run from a timer to update the lapsed time line."
3013 (let (deactivate-mark)
3018 (set-buffer (window-buffer w))
3019 (when (eq major-mode 'gnus-article-mode)
3020 (goto-char (point-min))
3021 (when (re-search-forward "^X-Sent:" nil t)
3022 (article-date-lapsed t))))
3025 (defun gnus-start-date-timer (&optional n)
3026 "Start a timer to update the X-Sent header in the article buffers.
3027 The numerical prefix says how frequently (in seconds) the function
3032 (gnus-stop-date-timer)
3033 (setq article-lapsed-timer
3034 (nnheader-run-at-time 1 n 'article-update-date-lapsed)))
3036 (defun gnus-stop-date-timer ()
3037 "Stop the X-Sent timer."
3039 (when article-lapsed-timer
3040 (nnheader-cancel-timer article-lapsed-timer)
3041 (setq article-lapsed-timer nil)))
3043 (defun article-date-user (&optional highlight)
3044 "Convert the current article date to the user-defined format.
3045 This format is defined by the `gnus-article-time-format' variable."
3046 (interactive (list t))
3047 (article-date-ut 'user highlight))
3049 (defun article-date-iso8601 (&optional highlight)
3050 "Convert the current article date to ISO8601."
3051 (interactive (list t))
3052 (article-date-ut 'iso8601 highlight))
3054 ;; (defun article-show-all ()
3055 ;; "Show all hidden text in the article buffer."
3059 ;; (let ((buffer-read-only nil))
3060 ;; (gnus-article-unhide-text (point-min) (point-max))
3061 ;; (gnus-remove-text-with-property 'gnus-prev)
3062 ;; (gnus-remove-text-with-property 'gnus-next))))
3064 (defun article-show-all-headers ()
3065 "Show all hidden headers in the article buffer."
3070 (article-narrow-to-head)
3071 (let ((buffer-read-only nil))
3072 (gnus-article-unhide-text (point-min) (point-max))))))
3074 (defun article-remove-leading-whitespace ()
3075 "Remove excessive whitespace from all headers."
3079 (let ((buffer-read-only nil))
3080 (article-narrow-to-head)
3081 (goto-char (point-min))
3082 (while (re-search-forward "^[^ :]+: \\([ \t]+\\)" nil t)
3083 (delete-region (match-beginning 1) (match-end 1)))))))
3085 (defun article-emphasize (&optional arg)
3086 "Emphasize text according to `gnus-emphasis-alist'."
3087 (interactive (gnus-article-hidden-arg))
3088 (unless (gnus-article-check-hidden-text 'emphasis arg)
3092 (with-current-buffer gnus-summary-buffer
3093 gnus-article-emphasis-alist)
3095 gnus-emphasis-alist))
3096 (buffer-read-only nil)
3097 (props (append '(article-type emphasis)
3098 gnus-hidden-properties))
3099 regexp elem beg invisible visible face)
3102 (while (setq elem (pop alist))
3104 (setq regexp (car elem)
3105 invisible (nth 1 elem)
3106 visible (nth 2 elem)
3108 (while (re-search-forward regexp nil t)
3109 (when (and (match-beginning visible) (match-beginning invisible))
3110 (gnus-article-hide-text
3111 (match-beginning invisible) (match-end invisible) props)
3112 (gnus-article-unhide-text-type
3113 (match-beginning visible) (match-end visible) 'emphasis)
3114 (gnus-put-overlay-excluding-newlines
3115 (match-beginning visible) (match-end visible) 'face face)
3116 (gnus-add-wash-type 'emphasis)
3117 (goto-char (match-end invisible)))))))))
3119 (defun gnus-article-setup-highlight-words (&optional highlight-words)
3120 "Setup newsgroup emphasis alist."
3121 (unless gnus-article-emphasis-alist
3122 (let ((name (and gnus-newsgroup-name
3123 (gnus-group-real-name gnus-newsgroup-name))))
3124 (make-local-variable 'gnus-article-emphasis-alist)
3125 (setq gnus-article-emphasis-alist
3127 (let ((alist gnus-group-highlight-words-alist) elem highlight)
3128 (while (setq elem (pop alist))
3129 (when (and name (string-match (car elem) name))
3131 highlight (copy-sequence (cdr elem)))))
3133 (copy-sequence highlight-words)
3134 (if gnus-newsgroup-name
3135 (copy-sequence (gnus-group-find-parameter
3136 gnus-newsgroup-name 'highlight-words t)))
3137 gnus-emphasis-alist)))))
3140 (defvar gnus-summary-article-menu)
3141 (defvar gnus-summary-post-menu))
3143 ;;; Saving functions.
3145 (defun gnus-article-save (save-buffer file &optional num)
3146 "Save the currently selected article."
3147 (unless gnus-save-all-headers
3148 ;; Remove headers according to `gnus-saved-headers'.
3149 (let ((gnus-visible-headers
3150 (or gnus-saved-headers gnus-visible-headers))
3151 (gnus-article-buffer save-buffer))
3153 (set-buffer save-buffer)
3154 (article-hide-headers 1 t))))
3155 (save-window-excursion
3156 (if (not gnus-default-article-saver)
3157 (error "No default saver is defined")
3158 ;; !!! Magic! The saving functions all save
3159 ;; `gnus-save-article-buffer' (or so they think), but we
3160 ;; bind that variable to our save-buffer.
3161 (set-buffer gnus-article-buffer)
3162 (let* ((gnus-save-article-buffer save-buffer)
3165 ((not gnus-prompt-before-saving) 'default)
3166 ((eq gnus-prompt-before-saving 'always) nil)
3168 (gnus-number-of-articles-to-be-saved
3169 (when (eq gnus-prompt-before-saving t)
3171 (set-buffer gnus-article-current-summary)
3172 (funcall gnus-default-article-saver filename)))))
3174 (defun gnus-read-save-file-name (prompt &optional filename
3175 function group headers variable)
3177 (funcall function group headers (symbol-value variable)))
3182 ((eq filename 'default)
3188 (let* ((split-name (gnus-get-split-value gnus-split-methods))
3191 (if (and gnus-number-of-articles-to-be-saved
3192 (> gnus-number-of-articles-to-be-saved 1))
3193 (format "these %d articles"
3194 gnus-number-of-articles-to-be-saved)
3197 ;; Let the split methods have their say.
3199 ;; No split name was found.
3202 (concat prompt " (default "
3203 (file-name-nondirectory default-name) ") ")
3204 (file-name-directory default-name)
3206 ;; A single group name is returned.
3207 ((stringp split-name)
3209 (funcall function split-name headers
3210 (symbol-value variable)))
3212 (concat prompt " (default "
3213 (file-name-nondirectory default-name) ") ")
3214 (file-name-directory default-name)
3216 ;; A single split name was found
3217 ((= 1 (length split-name))
3218 (let* ((name (expand-file-name
3220 gnus-article-save-directory))
3221 (dir (cond ((file-directory-p name)
3222 (file-name-as-directory name))
3223 ((file-exists-p name) name)
3224 (t gnus-article-save-directory))))
3226 (concat prompt " (default " name ") ")
3228 ;; A list of splits was found.
3230 (setq split-name (nreverse split-name))
3232 (let ((file-name-history
3233 (nconc split-name file-name-history)))
3237 (concat prompt " (`M-p' for defaults) ")
3238 gnus-article-save-directory
3240 gnus-article-save-directory)))
3241 (car (push result file-name-history)))))))
3242 ;; Create the directory.
3243 (gnus-make-directory (file-name-directory file))
3244 ;; If we have read a directory, we append the default file name.
3245 (when (file-directory-p file)
3246 (setq file (expand-file-name (file-name-nondirectory
3248 (file-name-as-directory file))))
3249 ;; Possibly translate some characters.
3250 (nnheader-translate-file-chars file))))))
3251 (gnus-make-directory (file-name-directory result))
3252 (set variable result)))
3254 (defun gnus-article-archive-name (group)
3255 "Return the first instance of an \"Archive-name\" in the current buffer."
3256 (let ((case-fold-search t))
3257 (when (re-search-forward "archive-name: *\\([^ \n\t]+\\)[ \t]*$" nil t)
3258 (nnheader-concat gnus-article-save-directory
3259 (match-string 1)))))
3261 (defun gnus-article-nndoc-name (group)
3262 "If GROUP is an nndoc group, return the name of the parent group."
3263 (when (eq (car (gnus-find-method-for-group group)) 'nndoc)
3264 (gnus-group-get-parameter group 'save-article-group)))
3266 (defun gnus-summary-save-in-rmail (&optional filename)
3267 "Append this article to Rmail file.
3268 Optional argument FILENAME specifies file name.
3269 Directory to save to is default to `gnus-article-save-directory'."
3270 (setq filename (gnus-read-save-file-name
3271 "Save %s in rmail file:" filename
3272 gnus-rmail-save-name gnus-newsgroup-name
3273 gnus-current-headers 'gnus-newsgroup-last-rmail))
3274 (gnus-eval-in-buffer-window gnus-save-article-buffer
3278 (gnus-output-to-rmail filename))))
3281 (defun gnus-summary-save-in-mail (&optional filename)
3282 "Append this article to Unix mail file.
3283 Optional argument FILENAME specifies file name.
3284 Directory to save to is default to `gnus-article-save-directory'."
3285 (setq filename (gnus-read-save-file-name
3286 "Save %s in Unix mail file:" filename
3287 gnus-mail-save-name gnus-newsgroup-name
3288 gnus-current-headers 'gnus-newsgroup-last-mail))
3289 (gnus-eval-in-buffer-window gnus-save-article-buffer
3293 (if (and (file-readable-p filename)
3294 (file-regular-p filename)
3295 (mail-file-babyl-p filename))
3296 (rmail-output-to-rmail-file filename t)
3297 (gnus-output-to-mail filename)))))
3300 (defun gnus-summary-save-in-file (&optional filename overwrite)
3301 "Append this article to file.
3302 Optional argument FILENAME specifies file name.
3303 Directory to save to is default to `gnus-article-save-directory'."
3304 (setq filename (gnus-read-save-file-name
3305 "Save %s in file:" filename
3306 gnus-file-save-name gnus-newsgroup-name
3307 gnus-current-headers 'gnus-newsgroup-last-file))
3308 (gnus-eval-in-buffer-window gnus-save-article-buffer
3312 (when (and overwrite
3313 (file-exists-p filename))
3314 (delete-file filename))
3315 (gnus-output-to-file filename))))
3318 (defun gnus-summary-write-to-file (&optional filename)
3319 "Write this article to a file, overwriting it if the file exists.
3320 Optional argument FILENAME specifies file name.
3321 The directory to save in defaults to `gnus-article-save-directory'."
3322 (gnus-summary-save-in-file nil t))
3324 (defun gnus-summary-save-body-in-file (&optional filename)
3325 "Append this article body to a file.
3326 Optional argument FILENAME specifies file name.
3327 The directory to save in defaults to `gnus-article-save-directory'."
3328 (setq filename (gnus-read-save-file-name
3329 "Save %s body in file:" filename
3330 gnus-file-save-name gnus-newsgroup-name
3331 gnus-current-headers 'gnus-newsgroup-last-file))
3332 (gnus-eval-in-buffer-window gnus-save-article-buffer
3336 (when (article-goto-body)
3337 (narrow-to-region (point) (point-max)))
3338 (gnus-output-to-file filename))))
3341 (defun gnus-summary-save-in-pipe (&optional command)
3342 "Pipe this article to subprocess."
3344 (cond ((and (eq command 'default)
3345 gnus-last-shell-command)
3346 gnus-last-shell-command)
3351 "Shell command on %s: "
3352 (if (and gnus-number-of-articles-to-be-saved
3353 (> gnus-number-of-articles-to-be-saved 1))
3354 (format "these %d articles"
3355 gnus-number-of-articles-to-be-saved)
3357 gnus-last-shell-command))))
3358 (when (string-equal command "")
3359 (if gnus-last-shell-command
3360 (setq command gnus-last-shell-command)
3361 (error "A command is required")))
3362 (gnus-eval-in-buffer-window gnus-article-buffer
3365 (shell-command-on-region (point-min) (point-max) command nil)))
3366 (setq gnus-last-shell-command command))
3368 (defun gnus-summary-pipe-to-muttprint (&optional command)
3369 "Pipe this article to muttprint."
3370 (setq command (read-string
3371 "Print using command: " gnus-summary-muttprint-program
3372 nil gnus-summary-muttprint-program))
3373 (gnus-summary-save-in-pipe command))
3375 ;;; Article file names when saving.
3377 (defun gnus-capitalize-newsgroup (newsgroup)
3378 "Capitalize NEWSGROUP name."
3379 (when (not (zerop (length newsgroup)))
3380 (concat (char-to-string (upcase (aref newsgroup 0)))
3381 (substring newsgroup 1))))
3383 (defun gnus-Numeric-save-name (newsgroup headers &optional last-file)
3384 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3385 If variable `gnus-use-long-file-name' is non-nil, it is ~/News/News.group/num.
3386 Otherwise, it is like ~/News/news/group/num."
3389 (concat (if (gnus-use-long-file-name 'not-save)
3390 (gnus-capitalize-newsgroup newsgroup)
3391 (gnus-newsgroup-directory-form newsgroup))
3392 "/" (int-to-string (mail-header-number headers)))
3393 gnus-article-save-directory)))
3395 (string-equal (file-name-directory default)
3396 (file-name-directory last-file))
3397 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
3399 (or last-file default))))
3401 (defun gnus-numeric-save-name (newsgroup headers &optional last-file)
3402 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3403 If variable `gnus-use-long-file-name' is non-nil, it is
3404 ~/News/news.group/num. Otherwise, it is like ~/News/news/group/num."
3407 (concat (if (gnus-use-long-file-name 'not-save)
3409 (gnus-newsgroup-directory-form newsgroup))
3410 "/" (int-to-string (mail-header-number headers)))
3411 gnus-article-save-directory)))
3413 (string-equal (file-name-directory default)
3414 (file-name-directory last-file))
3415 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
3417 (or last-file default))))
3419 (defun gnus-plain-save-name (newsgroup headers &optional last-file)
3420 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3421 If variable `gnus-use-long-file-name' is non-nil, it is
3422 ~/News/news.group. Otherwise, it is like ~/News/news/group/news."
3425 (if (gnus-use-long-file-name 'not-save)
3428 (expand-file-name "news" (gnus-newsgroup-directory-form newsgroup))
3430 gnus-article-save-directory)))
3432 (defun gnus-sender-save-name (newsgroup headers &optional last-file)
3433 "Generate file name from sender."
3434 (let ((from (mail-header-from headers)))
3436 (if (and from (string-match "\\([^ <]+\\)@" from))
3437 (match-string 1 from)
3439 gnus-article-save-directory)))
3441 (defun article-verify-x-pgp-sig ()
3444 (if (gnus-buffer-live-p gnus-original-article-buffer)
3445 (let ((sig (with-current-buffer gnus-original-article-buffer
3446 (gnus-fetch-field "X-PGP-Sig")))
3450 (mml2015-clear-verify-function))
3452 (insert-buffer-substring gnus-original-article-buffer)
3453 (setq items (split-string sig))
3454 (message-narrow-to-head)
3455 (let ((inhibit-point-motion-hooks t)
3456 (case-fold-search t))
3457 ;; Don't verify multiple headers.
3458 (setq headers (mapconcat (lambda (header)
3460 (mail-fetch-field header) "\n"))
3461 (split-string (nth 1 items) ",") "")))
3462 (delete-region (point-min) (point-max))
3463 (insert "-----BEGIN PGP SIGNED MESSAGE-----\n\n")
3464 (insert "X-Signed-Headers: " (nth 1 items) "\n")
3469 (if (looking-at "^-")
3472 (insert "\n-----BEGIN PGP SIGNATURE-----\n")
3473 (insert "Version: " (car items) "\n\n")
3474 (insert (mapconcat 'identity (cddr items) "\n"))
3475 (insert "\n-----END PGP SIGNATURE-----\n")
3476 (let ((mm-security-handle (list (format "multipart/signed"))))
3477 (mml2015-clean-buffer)
3478 (let ((coding-system-for-write (or gnus-newsgroup-charset
3480 (funcall (mml2015-clear-verify-function)))
3482 (or (mm-handle-multipart-ctl-parameter
3483 mm-security-handle 'gnus-details)
3484 (mm-handle-multipart-ctl-parameter
3485 mm-security-handle 'gnus-info)))))
3487 (let (buffer-read-only bface eface)
3489 (message-narrow-to-head)
3490 (goto-char (point-max))
3492 (setq bface (get-text-property (gnus-point-at-bol) 'face)
3493 eface (get-text-property (1- (gnus-point-at-eol)) 'face))
3494 (message-remove-header "X-Gnus-PGP-Verify")
3495 (if (re-search-forward "^X-PGP-Sig:" nil t)
3497 (goto-char (point-max)))
3498 (narrow-to-region (point) (point))
3499 (insert "X-Gnus-PGP-Verify: " info "\n")
3500 (goto-char (point-min))
3503 (if (not (looking-at "^[ \t]"))
3507 (goto-char (point-min))
3508 (when (looking-at "\\([^:]+\\): *")
3509 (put-text-property (match-beginning 1) (1+ (match-end 1))
3511 (put-text-property (match-end 0) (point-max)
3512 'face eface)))))))))
3514 (defun article-verify-cancel-lock ()
3515 "Verify Cancel-Lock header."
3517 (if (gnus-buffer-live-p gnus-original-article-buffer)
3518 (canlock-verify gnus-original-article-buffer)))
3520 (defun article-monafy ()
3521 "Display body part with mona font."
3523 (unless (if (featurep 'xemacs)
3524 (find-face 'gnus-mona-face)
3525 (facep 'gnus-mona-face))
3526 (require 'navi2ch-mona)
3527 (set-face-font (make-face 'gnus-mona-face) navi2ch-mona-font))
3529 (let ((buffer-read-only nil))
3532 (gnus-make-overlay (point) (point-max))
3533 'face 'gnus-mona-face))))
3540 (setq afunc (car func)
3543 gfunc (intern (format "gnus-%s" func))))
3545 (when (fboundp afunc)
3546 `(lambda (&optional interactive &rest args)
3547 ,(documentation afunc t)
3548 (interactive (list t))
3550 (set-buffer gnus-article-buffer)
3552 (call-interactively ',afunc)
3553 (apply ',afunc args))))))))
3554 '(article-hide-headers
3555 article-verify-x-pgp-sig
3556 article-verify-cancel-lock
3558 article-hide-boring-headers
3559 article-treat-overstrike
3560 article-fill-long-lines
3561 article-capitalize-sentences
3563 article-remove-leading-whitespace
3564 article-display-x-face
3565 article-display-face
3566 article-de-quoted-unreadable
3567 article-de-base64-unreadable
3570 article-unsplit-urls
3571 article-hide-list-identifiers
3572 article-strip-banner
3575 article-hide-signature
3576 article-strip-headers-in-body
3577 article-remove-trailing-blank-lines
3578 article-strip-leading-blank-lines
3579 article-strip-multiple-blank-lines
3580 article-strip-leading-space
3581 article-strip-trailing-space
3582 article-strip-blank-lines
3583 article-strip-all-blank-lines
3585 article-date-english
3586 article-date-iso8601
3587 article-date-original
3589 article-decode-mime-words
3590 article-decode-charset
3591 article-decode-encoded-words
3595 article-treat-dumbquotes
3596 article-normalize-headers
3597 (article-show-all-headers . gnus-article-show-all-headers)
3598 ;; (article-show-all . gnus-article-show-all)
3602 ;;; Gnus article mode
3605 (put 'gnus-article-mode 'mode-class 'special)
3607 (gnus-define-keys gnus-article-mode-map
3608 " " gnus-article-goto-next-page
3609 "\177" gnus-article-goto-prev-page
3610 [delete] gnus-article-goto-prev-page
3611 [backspace] gnus-article-goto-prev-page
3612 "\C-c^" gnus-article-refer-article
3613 "h" gnus-article-show-summary
3614 "s" gnus-article-show-summary
3615 "\C-c\C-m" gnus-article-mail
3616 "?" gnus-article-describe-briefly
3617 "e" gnus-summary-edit-article
3618 "<" beginning-of-buffer
3620 "\C-c\C-i" gnus-info-find-node
3622 "R" gnus-article-reply-with-original
3623 "F" gnus-article-followup-with-original
3624 "\C-hk" gnus-article-describe-key
3625 "\C-hc" gnus-article-describe-key-briefly
3627 "\C-d" gnus-article-read-summary-keys
3628 "\M-*" gnus-article-read-summary-keys
3629 "\M-#" gnus-article-read-summary-keys
3630 "\M-^" gnus-article-read-summary-keys
3631 "\M-g" gnus-article-read-summary-keys)
3633 ;; Define almost undefined keys to `gnus-article-read-summary-keys'.
3637 (push (char-to-string key) keys)
3639 (dolist (elem (accessible-keymaps gnus-summary-mode-map))
3640 (setq key (car elem))
3641 (when (and (> (length key) 0)
3642 (not (eq 'menu-bar (aref key 0)))
3643 (symbolp (lookup-key gnus-summary-mode-map key)))
3646 (unless (lookup-key gnus-article-mode-map key)
3647 (define-key gnus-article-mode-map key 'gnus-article-read-summary-keys))))
3649 (defun gnus-article-make-menu-bar ()
3650 (unless (boundp 'gnus-article-commands-menu)
3651 (gnus-summary-make-menu-bar))
3652 (gnus-turn-off-edit-menu 'article)
3653 (unless (boundp 'gnus-article-article-menu)
3655 gnus-article-article-menu gnus-article-mode-map ""
3657 ["Scroll forwards" gnus-article-goto-next-page t]
3658 ["Scroll backwards" gnus-article-goto-prev-page t]
3659 ["Show summary" gnus-article-show-summary t]
3660 ["Fetch Message-ID at point" gnus-article-refer-article t]
3661 ["Mail to address at point" gnus-article-mail t]
3662 ["Send a bug report" gnus-bug t]))
3665 gnus-article-treatment-menu gnus-article-mode-map ""
3666 ;; Fixme: this should use :active (and maybe :visible).
3668 ["Hide headers" gnus-article-hide-headers t]
3669 ["Hide signature" gnus-article-hide-signature t]
3670 ["Hide citation" gnus-article-hide-citation t]
3671 ["Treat overstrike" gnus-article-treat-overstrike t]
3672 ["Remove carriage return" gnus-article-remove-cr t]
3673 ["Remove leading whitespace" gnus-article-remove-leading-whitespace t]
3674 ["Treat html" gnus-article-wash-html t]
3675 ["Remove newlines from within URLs" gnus-article-unsplit-urls t]
3676 ["Decode HZ" gnus-article-decode-HZ t]))
3678 ;; Note "Commands" menu is defined in gnus-sum.el for consistency
3680 ;; Note "Post" menu is defined in gnus-sum.el for consistency
3682 (gnus-run-hooks 'gnus-article-menu-hook)))
3684 (defun gnus-article-mode ()
3685 "Major mode for displaying an article.
3687 All normal editing commands are switched off.
3689 The following commands are available in addition to all summary mode
3691 \\<gnus-article-mode-map>
3692 \\[gnus-article-next-page]\t Scroll the article one page forwards
3693 \\[gnus-article-prev-page]\t Scroll the article one page backwards
3694 \\[gnus-article-refer-article]\t Go to the article referred to by an article id near point
3695 \\[gnus-article-show-summary]\t Display the summary buffer
3696 \\[gnus-article-mail]\t Send a reply to the address near point
3697 \\[gnus-article-describe-briefly]\t Describe the current mode briefly
3698 \\[gnus-info-find-node]\t Go to the Gnus info node"
3700 (gnus-simplify-mode-line)
3701 (setq mode-name "Article")
3702 (setq major-mode 'gnus-article-mode)
3703 (make-local-variable 'minor-mode-alist)
3704 (unless (assq 'gnus-show-mime minor-mode-alist)
3705 (push (list 'gnus-show-mime " MIME") minor-mode-alist))
3706 (use-local-map gnus-article-mode-map)
3707 (when (gnus-visual-p 'article-menu 'menu)
3708 (gnus-article-make-menu-bar)
3709 (when gnus-summary-tool-bar-map
3710 (set (make-local-variable 'tool-bar-map) gnus-summary-tool-bar-map)))
3711 (gnus-update-format-specifications nil 'article-mode)
3712 (set (make-local-variable 'page-delimiter) gnus-page-delimiter)
3713 (make-local-variable 'gnus-page-broken)
3714 (make-local-variable 'gnus-button-marker-list)
3715 (make-local-variable 'gnus-article-current-summary)
3716 (make-local-variable 'gnus-article-mime-handles)
3717 (make-local-variable 'gnus-article-decoded-p)
3718 (make-local-variable 'gnus-article-mime-handle-alist)
3719 (make-local-variable 'gnus-article-wash-types)
3720 (make-local-variable 'gnus-article-image-alist)
3721 (make-local-variable 'gnus-article-charset)
3722 (make-local-variable 'gnus-article-ignored-charsets)
3723 (gnus-set-default-directory)
3724 (buffer-disable-undo)
3725 (setq buffer-read-only t)
3726 (set-syntax-table gnus-article-mode-syntax-table)
3727 (gnus-run-hooks 'gnus-article-mode-hook))
3729 (defun gnus-article-setup-buffer ()
3730 "Initialize the article buffer."
3731 (let* ((name (if gnus-single-article-buffer "*Article*"
3732 (concat "*Article " gnus-newsgroup-name "*")))
3734 (progn (string-match "\\*Article" name)
3735 (concat " *Original Article"
3736 (substring name (match-end 0))))))
3737 (setq gnus-article-buffer name)
3738 (setq gnus-original-article-buffer original)
3739 (setq gnus-article-mime-handle-alist nil)
3740 ;; This might be a variable local to the summary buffer.
3741 (unless gnus-single-article-buffer
3743 (set-buffer gnus-summary-buffer)
3744 (setq gnus-article-buffer name)
3745 (setq gnus-original-article-buffer original)
3746 (gnus-set-global-variables)))
3747 (gnus-article-setup-highlight-words)
3748 ;; Init original article buffer.
3750 (set-buffer (gnus-get-buffer-create gnus-original-article-buffer))
3751 (set-buffer-multibyte t)
3752 (setq major-mode 'gnus-original-article-mode)
3753 (make-local-variable 'gnus-original-article))
3754 (if (get-buffer name)
3757 (when (and gnus-article-edit-mode
3760 (y-or-n-p "Article mode edit in progress; discard? ")))
3761 (error "Action aborted"))
3762 (set (make-local-variable 'gnus-article-edit-mode) nil)
3763 (buffer-disable-undo)
3764 (setq buffer-read-only t)
3765 ;; This list just keeps growing if we don't reset it.
3766 (setq gnus-button-marker-list nil)
3767 (unless (eq major-mode 'gnus-article-mode)
3768 (gnus-article-mode))
3771 (set-buffer (gnus-get-buffer-create name))
3773 (make-local-variable 'gnus-summary-buffer)
3774 (gnus-summary-set-local-parameters gnus-newsgroup-name)
3775 (current-buffer)))))
3777 ;; Set article window start at LINE, where LINE is the number of lines
3778 ;; from the head of the article.
3779 (defun gnus-article-set-window-start (&optional line)
3781 (gnus-get-buffer-window gnus-article-buffer t)
3783 (set-buffer gnus-article-buffer)
3784 (goto-char (point-min))
3787 (gnus-message 6 "Moved to bookmark")
3788 (search-forward "\n\n" nil t)
3792 ;;; @@ article filters
3795 (defun gnus-article-display-mime-message ()
3796 "Article display method for MIME message."
3797 ;; called from `gnus-original-article-buffer'.
3798 (let (charset all-headers)
3799 (with-current-buffer gnus-summary-buffer
3800 (setq charset default-mime-charset
3801 all-headers gnus-have-all-headers))
3802 (make-local-variable 'default-mime-charset)
3803 (setq default-mime-charset charset)
3804 (with-current-buffer (get-buffer-create gnus-article-buffer)
3805 (make-local-variable 'default-mime-charset)
3806 (setq default-mime-charset charset))
3807 (mime-display-message mime-message-structure
3808 gnus-article-buffer nil gnus-article-mode-map)
3810 (gnus-article-hide-headers nil -1)))
3811 (run-hooks 'gnus-mime-article-prepare-hook))
3813 (defun gnus-article-display-traditional-message ()
3814 "Article display method for traditional message."
3815 (set-buffer gnus-article-buffer)
3816 (let (buffer-read-only)
3818 (insert-buffer-substring gnus-original-article-buffer)))
3820 (defun gnus-article-make-full-mail-header (&optional number charset)
3821 "Create a new mail header structure in a raw article buffer."
3822 (unless (and number charset)
3823 (save-current-buffer
3824 (set-buffer gnus-summary-buffer)
3826 (setq number (or (cdr gnus-article-current) 0)))
3828 (setq charset (or default-mime-charset 'x-ctext)))))
3829 (goto-char (point-min))
3830 (let ((header-end (if (search-forward "\n\n" nil t)
3832 (goto-char (point-max))))
3833 (chars (- (point-max) (point)))
3834 (lines (count-lines (point) (point-max)))
3835 (default-mime-charset charset)
3837 (narrow-to-region (point-min) header-end)
3838 (setq xref (std11-fetch-field "xref"))
3840 (make-full-mail-header
3842 (std11-fetch-field "subject")
3843 (std11-fetch-field "from")
3844 (std11-fetch-field "date")
3845 (std11-fetch-field "message-id")
3846 (std11-fetch-field "references")
3849 (when xref (concat "Xref: " xref)))
3852 (defun gnus-article-prepare (article &optional all-headers header)
3853 "Prepare ARTICLE in article mode buffer.
3854 ARTICLE should either be an article number or a Message-ID.
3855 If ARTICLE is an id, HEADER should be the article headers.
3856 If ALL-HEADERS is non-nil, no headers are hidden."
3858 ;; Make sure we start in a summary buffer.
3859 (unless (eq major-mode 'gnus-summary-mode)
3860 (set-buffer gnus-summary-buffer))
3861 (setq gnus-summary-buffer (current-buffer))
3862 (let* ((gnus-article (if header (mail-header-number header) article))
3863 (summary-buffer (current-buffer))
3864 (gnus-tmp-internal-hook gnus-article-internal-prepare-hook)
3865 (group gnus-newsgroup-name)
3868 (gnus-article-setup-buffer)
3869 (set-buffer gnus-article-buffer)
3870 ;; Deactivate active regions.
3871 (when (and (boundp 'transient-mark-mode)
3872 transient-mark-mode)
3873 (setq mark-active nil))
3874 (if (not (setq result (let ((buffer-read-only nil))
3875 (gnus-request-article-this-buffer
3877 ;; There is no such article.
3879 (when (and (numberp article)
3880 (not (memq article gnus-newsgroup-sparse)))
3881 (setq gnus-article-current
3882 (cons gnus-newsgroup-name article))
3883 (set-buffer gnus-summary-buffer)
3884 (setq gnus-current-article article)
3885 (if (and (memq article gnus-newsgroup-undownloaded)
3886 (not (gnus-online (gnus-find-method-for-group
3887 gnus-newsgroup-name))))
3889 (gnus-summary-set-agent-mark article)
3890 (message "Message marked for downloading"))
3891 (gnus-summary-mark-article article gnus-canceled-mark)
3892 (unless (memq article gnus-newsgroup-sparse)
3893 (gnus-error 1 "No such article (may have expired or been canceled)")))))
3894 (if (or (eq result 'pseudo)
3895 (eq result 'nneething))
3898 (set-buffer summary-buffer)
3899 (push article gnus-newsgroup-history)
3900 (setq gnus-last-article gnus-current-article
3901 gnus-current-article 0
3902 gnus-current-headers nil
3903 gnus-article-current nil)
3904 (if (eq result 'nneething)
3905 (gnus-configure-windows 'summary)
3906 (gnus-configure-windows 'article))
3907 (gnus-set-global-variables))
3908 (let ((gnus-article-mime-handle-alist-1
3909 gnus-article-mime-handle-alist))
3910 (gnus-set-mode-line 'article)))
3911 ;; The result from the `request' was an actual article -
3912 ;; or at least some text that is now displayed in the
3914 (when (and (numberp article)
3915 (not (eq article gnus-current-article)))
3916 ;; Seems like a new article has been selected.
3917 ;; `gnus-current-article' must be an article number.
3919 (set-buffer summary-buffer)
3920 (push article gnus-newsgroup-history)
3921 (setq gnus-last-article gnus-current-article
3922 gnus-current-article article
3923 gnus-current-headers
3924 (gnus-summary-article-header gnus-current-article)
3925 gnus-article-current
3926 (cons gnus-newsgroup-name gnus-current-article))
3927 (unless (vectorp gnus-current-headers)
3928 (setq gnus-current-headers nil))
3929 (gnus-summary-goto-subject gnus-current-article)
3930 (when (gnus-summary-show-thread)
3931 ;; If the summary buffer really was folded, the
3932 ;; previous goto may not actually have gone to
3933 ;; the right article, but the thread root instead.
3935 (gnus-summary-goto-subject gnus-current-article))
3936 (gnus-run-hooks 'gnus-mark-article-hook)
3937 (gnus-set-mode-line 'summary)
3938 (when (gnus-visual-p 'article-highlight 'highlight)
3939 (gnus-run-hooks 'gnus-visual-mark-article-hook))
3940 ;; Set the global newsgroup variables here.
3941 (gnus-set-global-variables)
3942 (setq gnus-have-all-headers
3943 (or all-headers gnus-show-all-headers))))
3945 (gnus-configure-windows 'article))
3946 (when (or (numberp article)
3948 (gnus-article-prepare-display)
3950 (goto-char (point-min))
3951 (setq gnus-page-broken
3952 (when gnus-break-pages
3953 (gnus-narrow-to-page)
3955 (let ((gnus-article-mime-handle-alist-1
3956 gnus-article-mime-handle-alist))
3957 (gnus-set-mode-line 'article))
3961 (set-window-point (get-buffer-window (current-buffer)) (point))
3962 (gnus-configure-windows 'article)
3965 (defun gnus-article-prepare-mime-display (&optional number)
3966 (goto-char (point-min))
3967 (when (re-search-forward "^[^\t ]+:" nil t)
3968 (goto-char (match-beginning 0)))
3969 (let ((entity (if (eq 1 (point-min))
3970 (get-text-property 1 'mime-view-entity)
3971 (get-text-property (point) 'mime-view-entity)))
3972 last-entity child-entity next type)
3973 (setq child-entity (mime-entity-children entity))
3975 (setq last-entity (nth (1- (length child-entity))
3977 (setq last-entity entity))
3979 (narrow-to-region (point)
3980 (if (search-forward "\n\n" nil t)
3983 (gnus-treat-article 'head)
3984 (put-text-property (point-min) (point-max) 'article-treated-header t)
3985 (goto-char (point-max)))
3986 (while (and (not (eobp)) entity)
3987 (setq next (set-marker
3989 (next-single-property-change (point) 'mime-view-entity
3991 (let ((types (mime-entity-content-type entity)))
3992 (while (eq 'multipart (mime-content-type-primary-type types))
3993 (setq entity (car (mime-entity-children entity))
3994 types (mime-entity-content-type entity)))
3996 (setq type (format "%s/%s"
3997 (mime-content-type-primary-type types)
3998 (mime-content-type-subtype types)))))
3999 (if (string-equal type "message/rfc822")
4002 (let ((children (mime-entity-children entity))
4005 (setq last-children (nth (1- (length children)) children))
4008 (not (eq last-children
4009 (get-text-property next 'mime-view-entity)))
4011 (next-single-property-change next
4013 nil (point-max)))))))
4014 (setq next (next-single-property-change next 'mime-view-entity
4017 (narrow-to-region (point) next)
4018 (gnus-article-prepare-mime-display)
4019 (goto-char (point-max)))
4020 (setq entity (get-text-property (point) 'mime-view-entity)))
4022 (narrow-to-region (point) next)
4023 ;; Kludge. We have to count true number, but for now,
4024 ;; part number is here only to achieve `last'.
4025 (gnus-treat-article nil 1
4026 (if (eq entity last-entity)
4029 (goto-char (point-max)))
4030 (setq entity (get-text-property next 'mime-view-entity))))))
4033 (defun gnus-article-prepare-display ()
4034 "Make the current buffer look like a nice article."
4035 (let ((gnus-article-buffer (current-buffer))
4037 (unless (eq major-mode 'gnus-article-mode)
4038 (gnus-article-mode))
4039 (setq buffer-read-only nil
4040 gnus-button-marker-list nil
4041 gnus-article-wash-types nil
4042 gnus-article-image-alist nil)
4045 (static-if (featurep 'xemacs)
4046 (map-extents (lambda (extent maparg) (delete-extent extent)))
4047 (let ((lists (overlay-lists)))
4048 (dolist (overlay (nconc (car lists) (cdr lists)))
4049 (delete-overlay overlay)))))
4050 (gnus-run-hooks 'gnus-tmp-internal-hook))
4051 (let ((show-mime (unless (member gnus-newsgroup-name '("nndraft:delayed"
4054 (inhibit-read-only t))
4055 (set-buffer gnus-original-article-buffer)
4057 (setq mime-message-structure gnus-current-headers)
4058 (mime-buffer-entity-set-buffer-internal mime-message-structure
4059 gnus-original-article-buffer)
4060 (mime-entity-set-representation-type-internal mime-message-structure
4061 'mime-buffer-entity)
4062 (luna-send mime-message-structure 'initialize-instance
4063 mime-message-structure)
4065 (let (mime-display-header-hook mime-display-text/plain-hook)
4066 (funcall gnus-article-display-method-for-mime))
4067 (funcall gnus-article-display-method-for-traditional))
4068 ;; Call the treatment functions.
4072 (gnus-article-prepare-mime-display)
4073 (narrow-to-region (goto-char (point-min))
4074 (if (search-forward "\n\n" nil t)
4077 (gnus-treat-article 'head)
4078 (put-text-property (point-min) (point-max) 'article-treated-header t)
4079 (goto-char (point-max))
4081 (narrow-to-region (point) (point-max))
4082 (gnus-treat-article nil))
4083 (put-text-property (point-min) (point-max) 'read-only nil)))
4084 (gnus-run-hooks 'gnus-article-prepare-hook))
4086 (defun gnus-article-decode-article-as-default-mime-charset ()
4087 "Decode an article as `default-mime-charset'. It won't work if the
4088 value of the variable `gnus-show-mime' is non-nil."
4089 (unless (or gnus-show-mime
4090 (member gnus-newsgroup-name '("nndraft:delayed"
4092 (set (make-local-variable 'default-mime-charset)
4093 (with-current-buffer gnus-summary-buffer
4094 default-mime-charset))
4095 (decode-mime-charset-region (point-min) (point-max)
4096 default-mime-charset)))
4099 ;;; Gnus MIME viewing functions
4102 (defvar gnus-mime-button-line-format "%{%([%p. %d%T]%)%}%e\n"
4103 "Format of the MIME buttons.
4105 Valid specifiers include:
4107 %T MIME type, along with additional info
4108 %n The `name' parameter
4109 %d The description, if any
4110 %l The length of the encoded part
4111 %p The part identifier number
4112 %e Dots if the part isn't displayed
4114 General format specifiers can also be used. See Info node
4115 `(gnus)Formatting Variables'.")
4117 (defvar gnus-mime-button-line-format-alist
4118 '((?t gnus-tmp-type ?s)
4119 (?T gnus-tmp-type-long ?s)
4120 (?n gnus-tmp-name ?s)
4121 (?d gnus-tmp-description ?s)
4123 (?l gnus-tmp-length ?d)
4124 (?e gnus-tmp-dots ?s)))
4126 (defvar gnus-mime-button-commands
4127 '((gnus-article-press-button "\r" "Toggle Display")
4128 (gnus-mime-view-part "v" "View Interactively...")
4129 (gnus-mime-view-part-as-type "t" "View As Type...")
4130 (gnus-mime-view-part-as-charset "C" "View As charset...")
4131 (gnus-mime-save-part "o" "Save...")
4132 (gnus-mime-save-part-and-strip "\C-o" "Save and Strip")
4133 (gnus-mime-delete-part "d" "Delete part")
4134 (gnus-mime-copy-part "c" "View As Text, In Other Buffer")
4135 (gnus-mime-inline-part "i" "View As Text, In This Buffer")
4136 (gnus-mime-view-part-internally "E" "View Internally")
4137 (gnus-mime-view-part-externally "e" "View Externally")
4138 (gnus-mime-print-part "p" "Print")
4139 (gnus-mime-pipe-part "|" "Pipe To Command...")
4140 (gnus-mime-action-on-part "." "Take action on the part...")))
4142 (defun gnus-article-mime-part-status ()
4143 (with-current-buffer gnus-article-buffer
4144 (let ((entity (get-text-property (point-min) 'mime-view-entity))
4147 (setq children (mime-entity-children entity))
4148 (setq children (length children)))
4151 (format " (%d parts)" children))
4154 (defvar gnus-mime-button-map
4155 (let ((map (make-sparse-keymap)))
4156 (unless (>= (string-to-number emacs-version) 21)
4157 ;; XEmacs doesn't care.
4158 (set-keymap-parent map gnus-article-mode-map))
4159 (define-key map gnus-mouse-2 'gnus-article-push-button)
4160 (define-key map gnus-down-mouse-3 'gnus-mime-button-menu)
4161 (dolist (c gnus-mime-button-commands)
4162 (define-key map (cadr c) (car c)))
4165 (easy-menu-define gnus-mime-button-menu gnus-mime-button-map "MIME button menu."
4167 ,@(mapcar (lambda (c)
4168 (vector (caddr c) (car c) :enable t)) gnus-mime-button-commands)))
4171 (define-compiler-macro popup-menu (&whole form
4172 menu &optional position prefix)
4173 (if (and (fboundp 'popup-menu)
4174 (not (memq 'popup-menu (assoc "lmenu" load-history))))
4176 ;; Gnus is probably running under Emacs 20.
4177 `(let* ((menu (cdr ,menu))
4178 (response (x-popup-menu
4180 (cons "" (mapcar (lambda (c)
4181 (cons (caddr c) (car c)))
4184 (call-interactively (nth 3 (assq response menu))))))))
4186 (defun gnus-mime-button-menu (event prefix)
4187 "Construct a context-sensitive menu of MIME commands."
4188 (interactive "e\nP")
4189 (save-window-excursion
4190 (let ((pos (event-start event)))
4191 (select-window (posn-window pos))
4192 (goto-char (posn-point pos))
4193 (gnus-article-check-buffer)
4194 (popup-menu gnus-mime-button-menu nil prefix))))
4196 (defun gnus-mime-view-all-parts (&optional handles)
4197 "View all the MIME parts."
4199 (save-current-buffer
4200 (set-buffer gnus-article-buffer)
4201 (let ((handles (or handles gnus-article-mime-handles))
4202 (mail-parse-charset gnus-newsgroup-charset)
4203 (mail-parse-ignored-charsets
4204 (with-current-buffer gnus-summary-buffer
4205 gnus-newsgroup-ignored-charsets)))
4207 (mm-remove-parts handles)
4208 (goto-char (point-min))
4209 (or (search-forward "\n\n") (goto-char (point-max)))
4210 (let (buffer-read-only)
4211 (delete-region (point) (point-max))
4212 (mm-display-parts handles))))))
4214 (defun gnus-mime-save-part-and-strip ()
4215 "Save the MIME part under point then replace it with an external body."
4217 (gnus-article-check-buffer)
4218 (let* ((data (get-text-property (point) 'gnus-data))
4220 (handles gnus-article-mime-handles))
4221 (if (mm-multiple-handles gnus-article-mime-handles)
4222 (error "This function is not implemented"))
4223 (setq file (and data (mm-save-part data)))
4225 (with-current-buffer (mm-handle-buffer data)
4227 (insert "Content-Type: " (mm-handle-media-type data))
4228 (mml-insert-parameter-string (cdr (mm-handle-type data))
4231 (insert "Content-ID: " (message-make-message-id) "\n")
4232 (insert "Content-Transfer-Encoding: binary\n")
4235 (cdr (mm-make-handle nil
4236 `("message/external-body"
4237 (access-type . "LOCAL-FILE")
4239 (set-buffer gnus-summary-buffer)
4240 (gnus-article-edit-article
4243 (let ((mail-parse-charset (or gnus-article-charset
4244 ',gnus-newsgroup-charset))
4245 (mail-parse-ignored-charsets
4246 (or gnus-article-ignored-charsets
4247 ',gnus-newsgroup-ignored-charsets))
4248 (mbl mml-buffer-list))
4249 (setq mml-buffer-list nil)
4250 (insert-buffer gnus-original-article-buffer)
4251 (mime-to-mml ',handles)
4252 (setq gnus-article-mime-handles nil)
4253 (let ((mbl1 mml-buffer-list))
4254 (setq mml-buffer-list mbl)
4255 (set (make-local-variable 'mml-buffer-list) mbl1))
4256 ;; LOCAL argument of add-hook differs between GNU Emacs
4257 ;; and XEmacs. make-local-hook makes sure they are local.
4258 (make-local-hook 'kill-buffer-hook)
4259 (add-hook 'kill-buffer-hook 'mml-destroy-buffers t t)))
4260 `(lambda (no-highlight)
4261 (let ((mail-parse-charset (or gnus-article-charset
4262 ',gnus-newsgroup-charset))
4263 (message-options message-options)
4264 (message-options-set-recipient)
4265 (mail-parse-ignored-charsets
4266 (or gnus-article-ignored-charsets
4267 ',gnus-newsgroup-ignored-charsets)))
4269 (mml-destroy-buffers)
4270 (remove-hook 'kill-buffer-hook
4271 'mml-destroy-buffers t)
4272 (kill-local-variable 'mml-buffer-list))
4273 (gnus-summary-edit-article-done
4274 ,(or (mail-header-references gnus-current-headers) "")
4275 ,(gnus-group-read-only-p)
4276 ,gnus-summary-buffer no-highlight))))))
4278 (defun gnus-mime-delete-part ()
4279 "Delete the MIME part under point.
4280 Replace it with some information about the removed part."
4282 (gnus-article-check-buffer)
4283 (let* ((data (get-text-property (point) 'gnus-data))
4284 (handles gnus-article-mime-handles)
4288 (mail-decode-encoded-word-string (or (mm-handle-description data)
4291 (or (mail-content-type-get (mm-handle-disposition data) 'filename)
4293 (type (mm-handle-media-type data)))
4294 (if (mm-multiple-handles gnus-article-mime-handles)
4295 (error "This function is not implemented"))
4296 (with-current-buffer (mm-handle-buffer data)
4297 (let ((bsize (format "%s" (buffer-size))))
4301 "<#part type=text/plain nofile=yes disposition=attachment"
4302 " description=\"Deleted attachment (" bsize " Byte)\">"
4304 "| The following attachment has been deleted:\n"
4306 "| Type: " type "\n"
4307 "| Filename: " filename "\n"
4308 "| Size (encoded): " bsize " Byte\n"
4309 "| Description: " description "\n"
4313 (cdr (mm-make-handle nil `("text/plain"))))))
4314 (set-buffer gnus-summary-buffer)
4315 ;; FIXME: maybe some of the following code (borrowed from
4316 ;; `gnus-mime-save-part-and-strip') isn't necessary?
4317 (gnus-article-edit-article
4320 (let ((mail-parse-charset (or gnus-article-charset
4321 ',gnus-newsgroup-charset))
4322 (mail-parse-ignored-charsets
4323 (or gnus-article-ignored-charsets
4324 ',gnus-newsgroup-ignored-charsets))
4325 (mbl mml-buffer-list))
4326 (setq mml-buffer-list nil)
4327 (insert-buffer gnus-original-article-buffer)
4328 (mime-to-mml ',handles)
4329 (setq gnus-article-mime-handles nil)
4330 (let ((mbl1 mml-buffer-list))
4331 (setq mml-buffer-list mbl)
4332 (set (make-local-variable 'mml-buffer-list) mbl1))
4333 ;; LOCAL argument of add-hook differs between GNU Emacs
4334 ;; and XEmacs. make-local-hook makes sure they are local.
4335 (make-local-hook 'kill-buffer-hook)
4336 (add-hook 'kill-buffer-hook 'mml-destroy-buffers t t)))
4337 `(lambda (no-highlight)
4338 (let ((mail-parse-charset (or gnus-article-charset
4339 ',gnus-newsgroup-charset))
4340 (message-options message-options)
4341 (message-options-set-recipient)
4342 (mail-parse-ignored-charsets
4343 (or gnus-article-ignored-charsets
4344 ',gnus-newsgroup-ignored-charsets)))
4346 (mml-destroy-buffers)
4347 (remove-hook 'kill-buffer-hook
4348 'mml-destroy-buffers t)
4349 (kill-local-variable 'mml-buffer-list))
4350 (gnus-summary-edit-article-done
4351 ,(or (mail-header-references gnus-current-headers) "")
4352 ,(gnus-group-read-only-p)
4353 ,gnus-summary-buffer no-highlight))))
4354 ;; Not in `gnus-mime-save-part-and-strip':
4355 (gnus-article-edit-done)
4356 (gnus-summary-expand-window)
4357 (gnus-summary-show-article))
4359 (defun gnus-mime-save-part ()
4360 "Save the MIME part under point."
4362 (gnus-article-check-buffer)
4363 (let ((data (get-text-property (point) 'gnus-data)))
4365 (mm-save-part data))))
4367 (defun gnus-mime-pipe-part ()
4368 "Pipe the MIME part under point to a process."
4370 (gnus-article-check-buffer)
4371 (let ((data (get-text-property (point) 'gnus-data)))
4373 (mm-pipe-part data))))
4375 (defun gnus-mime-view-part ()
4376 "Interactively choose a viewing method for the MIME part under point."
4378 (gnus-article-check-buffer)
4379 (let ((data (get-text-property (point) 'gnus-data)))
4381 (setq gnus-article-mime-handles
4383 gnus-article-mime-handles (setq data (copy-sequence data))))
4384 (mm-interactively-view-part data))))
4386 (defun gnus-mime-view-part-as-type-internal ()
4387 (gnus-article-check-buffer)
4388 (let* ((name (mail-content-type-get
4389 (mm-handle-type (get-text-property (point) 'gnus-data))
4391 (def-type (and name (mm-default-file-encoding name))))
4392 (and def-type (cons def-type 0))))
4394 (defun gnus-mime-view-part-as-type (&optional mime-type)
4395 "Choose a MIME media type, and view the part as such."
4398 (setq mime-type (completing-read
4399 "View as MIME type: "
4400 (mapcar #'list (mailcap-mime-types))
4402 (gnus-mime-view-part-as-type-internal))))
4403 (gnus-article-check-buffer)
4404 (let ((handle (get-text-property (point) 'gnus-data)))
4407 (mm-make-handle (mm-handle-buffer handle)
4408 (cons mime-type (cdr (mm-handle-type handle)))
4409 (mm-handle-encoding handle)
4410 (mm-handle-undisplayer handle)
4411 (mm-handle-disposition handle)
4412 (mm-handle-description handle)
4414 (mm-handle-id handle)))
4415 (setq gnus-article-mime-handles
4416 (mm-merge-handles gnus-article-mime-handles handle))
4417 (gnus-mm-display-part handle))))
4420 (require 'jka-compr))
4422 ;; jka-compr.el uses a "sh -c" to direct stderr to err-file, but these days
4423 ;; emacs can do that itself.
4425 (defun gnus-mime-jka-compr-maybe-uncompress ()
4426 "Uncompress the current buffer if `auto-compression-mode' is enabled.
4427 The uncompress method used is derived from `buffer-file-name'."
4428 (when (and (fboundp 'jka-compr-installed-p)
4429 (jka-compr-installed-p))
4430 (let ((info (jka-compr-get-compression-info buffer-file-name)))
4432 (let ((basename (file-name-nondirectory buffer-file-name))
4433 (args (jka-compr-info-uncompress-args info))
4434 (prog (jka-compr-info-uncompress-program info))
4435 (message (jka-compr-info-uncompress-message info))
4436 (err-file (jka-compr-make-temp-name)))
4438 (message "%s %s..." message basename))
4440 (unless (memq (apply 'call-process-region
4441 (point-min) (point-max)
4443 t (list t err-file) nil
4445 jka-compr-acceptable-retval-list)
4446 (jka-compr-error prog args basename message err-file))
4447 (jka-compr-delete-temp-file err-file)))))))
4449 (defun gnus-mime-copy-part (&optional handle)
4450 "Put the MIME part under point into a new buffer.
4451 If `auto-compression-mode' is enabled, compressed files like .gz and .bz2
4454 (gnus-article-check-buffer)
4455 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4456 (contents (and handle (mm-get-part handle)))
4458 (file-name-nondirectory
4460 (mail-content-type-get (mm-handle-type handle) 'name)
4461 (mail-content-type-get (mm-handle-disposition handle)
4464 (buffer (and base (generate-new-buffer base))))
4466 (switch-to-buffer buffer)
4468 ;; We do it this way to make `normal-mode' set the appropriate mode.
4471 (setq buffer-file-name (expand-file-name base))
4472 (gnus-mime-jka-compr-maybe-uncompress)
4474 (setq buffer-file-name nil))
4475 (goto-char (point-min)))))
4477 (defun gnus-mime-print-part (&optional handle filename)
4478 "Print the MIME part under point."
4479 (interactive (list nil (ps-print-preprint current-prefix-arg)))
4480 (gnus-article-check-buffer)
4481 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4482 (contents (and handle (mm-get-part handle)))
4483 (file (mm-make-temp-file (expand-file-name "mm." mm-tmp-directory)))
4484 (printer (mailcap-mime-info (mm-handle-media-type handle) "print")))
4489 (mm-save-part-to-file handle file)
4490 (call-process shell-file-name nil
4491 (generate-new-buffer " *mm*")
4493 shell-command-switch
4495 printer file (mm-handle-type handle))))
4499 (gnus-print-buffer))
4500 (ps-despool filename)))))
4502 (defun gnus-mime-inline-part (&optional handle arg)
4503 "Insert the MIME part under point into the current buffer."
4504 (interactive (list nil current-prefix-arg))
4505 (gnus-article-check-buffer)
4506 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4511 (if (and (not arg) (mm-handle-undisplayer handle))
4512 (mm-remove-part handle)
4513 (setq contents (mm-get-part handle))
4516 (setq charset (or (mail-content-type-get
4517 (mm-handle-type handle) 'charset)
4518 gnus-newsgroup-charset)))
4520 (if (mm-handle-undisplayer handle)
4521 (mm-remove-part handle))
4524 gnus-summary-show-article-charset-alist))
4525 (mm-read-coding-system "Charset: ")))))
4527 (mm-insert-inline handle
4529 (setq charset (mm-charset-to-coding-system
4531 (not (eq charset 'ascii)))
4532 (mm-decode-coding-string contents charset)
4536 (defun gnus-mime-view-part-as-charset (&optional handle arg)
4537 "Insert the MIME part under point into the current buffer using the
4539 (interactive (list nil current-prefix-arg))
4540 (gnus-article-check-buffer)
4541 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4546 (if (mm-handle-undisplayer handle)
4547 (mm-remove-part handle))
4548 (let ((gnus-newsgroup-charset
4550 gnus-summary-show-article-charset-alist))
4551 (mm-read-coding-system "Charset: ")))
4552 (gnus-newsgroup-ignored-charsets 'gnus-all))
4553 (gnus-article-press-button)))))
4555 (defun gnus-mime-view-part-externally (&optional handle)
4556 "View the MIME part under point with an external viewer."
4558 (gnus-article-check-buffer)
4559 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4560 (mm-user-display-methods nil)
4561 (mm-inlined-types nil)
4562 (mail-parse-charset gnus-newsgroup-charset)
4563 (mail-parse-ignored-charsets
4564 (save-excursion (set-buffer gnus-summary-buffer)
4565 gnus-newsgroup-ignored-charsets)))
4567 (if (mm-handle-undisplayer handle)
4568 (mm-remove-part handle)
4569 (mm-display-part handle)))))
4571 (defun gnus-mime-view-part-internally (&optional handle)
4572 "View the MIME part under point with an internal viewer.
4573 If no internal viewer is available, use an external viewer."
4575 (gnus-article-check-buffer)
4576 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4577 (mm-inlined-types '(".*"))
4578 (mm-inline-large-images t)
4579 (mail-parse-charset gnus-newsgroup-charset)
4580 (mail-parse-ignored-charsets
4581 (save-excursion (set-buffer gnus-summary-buffer)
4582 gnus-newsgroup-ignored-charsets))
4585 (if (mm-handle-undisplayer handle)
4586 (mm-remove-part handle)
4587 (mm-display-part handle)))))
4589 (defun gnus-mime-action-on-part (&optional action)
4590 "Do something with the MIME attachment at \(point\)."
4592 (list (completing-read "Action: " gnus-mime-action-alist nil t)))
4593 (gnus-article-check-buffer)
4594 (let ((action-pair (assoc action gnus-mime-action-alist)))
4596 (funcall (cdr action-pair)))))
4598 (defun gnus-article-part-wrapper (n function)
4599 (save-current-buffer
4600 (set-buffer gnus-article-buffer)
4601 (when (> n (length gnus-article-mime-handle-alist))
4602 (error "No such part"))
4603 (gnus-article-goto-part n)
4604 (let ((handle (cdr (assq n gnus-article-mime-handle-alist))))
4605 (funcall function handle))))
4607 (defun gnus-article-pipe-part (n)
4608 "Pipe MIME part N, which is the numerical prefix."
4610 (gnus-article-part-wrapper n 'mm-pipe-part))
4612 (defun gnus-article-save-part (n)
4613 "Save MIME part N, which is the numerical prefix."
4615 (gnus-article-part-wrapper n 'mm-save-part))
4617 (defun gnus-article-interactively-view-part (n)
4618 "View MIME part N interactively, which is the numerical prefix."
4620 (gnus-article-part-wrapper n 'mm-interactively-view-part))
4622 (defun gnus-article-copy-part (n)
4623 "Copy MIME part N, which is the numerical prefix."
4625 (gnus-article-part-wrapper n 'gnus-mime-copy-part))
4627 (defun gnus-article-view-part-as-charset (n)
4628 "Copy MIME part N, which is the numerical prefix."
4630 (gnus-article-part-wrapper n 'gnus-mime-view-part-as-charset))
4632 (defun gnus-article-view-part-externally (n)
4633 "View MIME part N externally, which is the numerical prefix."
4635 (gnus-article-part-wrapper n 'gnus-mime-view-part-externally))
4637 (defun gnus-article-inline-part (n)
4638 "Inline MIME part N, which is the numerical prefix."
4640 (gnus-article-part-wrapper n 'gnus-mime-inline-part))
4642 (defun gnus-article-mime-match-handle-first (condition)
4644 (let ((alist gnus-article-mime-handle-alist) ihandle n)
4645 (while (setq ihandle (pop alist))
4647 ((functionp condition)
4648 (funcall condition (cdr ihandle)))
4649 ((eq condition 'undisplayed)
4650 (not (or (mm-handle-undisplayer (cdr ihandle))
4651 (equal (mm-handle-media-type (cdr ihandle))
4652 "multipart/alternative"))))
4653 ((eq condition 'undisplayed-alternative)
4654 (not (mm-handle-undisplayer (cdr ihandle))))
4656 (gnus-article-goto-part (car ihandle))
4657 (or (not n) (< (car ihandle) n)))
4658 (setq n (car ihandle))))
4662 (defun gnus-article-view-part (&optional n)
4663 "View MIME part N, which is the numerical prefix."
4665 (save-current-buffer
4666 (set-buffer gnus-article-buffer)
4667 (or (numberp n) (setq n (gnus-article-mime-match-handle-first
4668 gnus-article-mime-match-handle-function)))
4669 (when (> n (length gnus-article-mime-handle-alist))
4670 (error "No such part"))
4671 (let ((handle (cdr (assq n gnus-article-mime-handle-alist))))
4672 (when (gnus-article-goto-part n)
4673 (if (equal (car handle) "multipart/alternative")
4674 (gnus-article-press-button)
4675 (when (eq (gnus-mm-display-part handle) 'internal)
4676 (gnus-set-window-start)))))))
4678 (defsubst gnus-article-mime-total-parts ()
4679 (if (bufferp (car gnus-article-mime-handles))
4681 (1- (length gnus-article-mime-handles))))
4683 (defun gnus-mm-display-part (handle)
4684 "Display HANDLE and fix MIME button."
4685 (let ((id (get-text-property (point) 'gnus-part))
4690 (let ((window (selected-window))
4691 (mail-parse-charset gnus-newsgroup-charset)
4692 (mail-parse-ignored-charsets
4693 (if (gnus-buffer-live-p gnus-summary-buffer)
4695 (set-buffer gnus-summary-buffer)
4696 gnus-newsgroup-ignored-charsets)
4700 (let ((win (gnus-get-buffer-window (current-buffer) t))
4703 (select-window win))
4706 (if (mm-handle-displayed-p handle)
4707 ;; This will remove the part.
4708 (mm-display-part handle)
4710 (narrow-to-region (point)
4711 (if (eobp) (point) (1+ (point))))
4712 (mm-display-part handle)
4713 ;; We narrow to the part itself and
4714 ;; then call the treatment functions.
4715 (goto-char (point-min))
4717 (narrow-to-region (point) (point-max))
4720 (gnus-article-mime-total-parts)
4721 (mm-handle-media-type handle)))))
4722 (if (window-live-p window)
4723 (select-window window)))))
4726 (gnus-insert-mime-button
4727 handle id (list (mm-handle-displayed-p handle)))
4728 (goto-char point))))
4730 (defun gnus-article-goto-part (n)
4731 "Go to MIME part N."
4732 (gnus-goto-char (text-property-any (point-min) (point-max) 'gnus-part n)))
4734 (defun gnus-insert-mime-button (handle gnus-tmp-id &optional displayed)
4735 (let ((gnus-tmp-name
4736 (or (mail-content-type-get (mm-handle-type handle) 'name)
4737 (mail-content-type-get (mm-handle-disposition handle) 'filename)
4738 (mail-content-type-get (mm-handle-type handle) 'url)
4740 (gnus-tmp-type (mm-handle-media-type handle))
4741 (gnus-tmp-description
4742 (mail-decode-encoded-word-string (or (mm-handle-description handle)
4745 (if (if displayed (car displayed)
4746 (mm-handle-displayed-p handle))
4748 (gnus-tmp-length (with-current-buffer (mm-handle-buffer handle)
4750 gnus-tmp-type-long b e)
4751 (when (string-match ".*/" gnus-tmp-name)
4752 (setq gnus-tmp-name (replace-match "" t t gnus-tmp-name)))
4753 (setq gnus-tmp-type-long (concat gnus-tmp-type
4754 (and (not (equal gnus-tmp-name ""))
4755 (concat "; " gnus-tmp-name))))
4756 (unless (equal gnus-tmp-description "")
4757 (setq gnus-tmp-type-long (concat " --- " gnus-tmp-type-long)))
4762 gnus-mime-button-line-format gnus-mime-button-line-format-alist
4763 `(,@(gnus-local-map-property gnus-mime-button-map)
4764 gnus-callback gnus-mm-display-part
4765 gnus-part ,gnus-tmp-id
4766 article-type annotation
4769 ;; Exclude a newline.
4772 (widget-convert-button
4775 :action 'gnus-widget-press-button
4776 :button-keymap gnus-mime-button-map
4778 (lambda (widget/window &optional overlay pos)
4779 ;; Needed to properly clear the message due to a bug in
4780 ;; wid-edit (XEmacs only).
4781 (if (boundp 'help-echo-owns-message)
4782 (setq help-echo-owns-message t))
4784 "%S: %s the MIME part; %S: more options"
4785 (aref gnus-mouse-2 0)
4786 ;; XEmacs will get a single widget arg; Emacs 21 will get
4787 ;; window, overlay, position.
4788 (if (mm-handle-displayed-p
4790 (with-current-buffer (gnus-overlay-buffer overlay)
4791 (widget-get (widget-at (gnus-overlay-start overlay))
4793 (widget-get widget/window :mime-handle)))
4795 (aref gnus-down-mouse-3 0))))))
4797 (defun gnus-widget-press-button (elems el)
4798 (goto-char (widget-get elems :from))
4799 (gnus-article-press-button))
4801 (defvar gnus-displaying-mime nil)
4803 (defun gnus-display-mime (&optional ihandles)
4804 "Display the MIME parts."
4806 (save-selected-window
4807 (let ((window (get-buffer-window gnus-article-buffer))
4810 (select-window window)
4811 ;; We have to do this since selecting the window
4812 ;; may change the point. So we set the window point.
4813 (set-window-point window point)))
4814 (let* ((handles (or ihandles
4815 (mm-dissect-buffer nil gnus-article-loose-mime)
4816 (and gnus-article-emulate-mime
4818 buffer-read-only handle name type b e display)
4819 (when (and (not ihandles)
4820 (not gnus-displaying-mime))
4821 ;; Top-level call; we clean up.
4822 (when gnus-article-mime-handles
4823 (mm-destroy-parts gnus-article-mime-handles)
4824 (setq gnus-article-mime-handle-alist nil));; A trick.
4825 (setq gnus-article-mime-handles handles)
4826 ;; We allow users to glean info from the handles.
4827 (when gnus-article-mime-part-function
4828 (gnus-mime-part-function handles)))
4830 (or (not (stringp (car handles)))
4833 (when (and (not ihandles)
4834 (not gnus-displaying-mime))
4835 ;; Clean up for mime parts.
4837 (delete-region (point) (point-max)))
4838 (let ((gnus-displaying-mime t))
4839 (gnus-mime-display-part handles)))
4842 (narrow-to-region (point) (point-max))
4843 (gnus-treat-article nil 1 1)
4846 ;; Highlight the headers.
4850 (narrow-to-region (point-min) (point))
4851 (gnus-treat-article 'head))))))))
4853 (defvar gnus-mime-display-multipart-as-mixed nil)
4854 (defvar gnus-mime-display-multipart-alternative-as-mixed nil)
4855 (defvar gnus-mime-display-multipart-related-as-mixed nil)
4857 (defun gnus-mime-display-part (handle)
4860 ((not (stringp (car handle)))
4861 (gnus-mime-display-single handle))
4862 ;; User-defined multipart
4863 ((cdr (assoc (car handle) gnus-mime-multipart-functions))
4864 (funcall (cdr (assoc (car handle) gnus-mime-multipart-functions))
4866 ;; multipart/alternative
4867 ((and (equal (car handle) "multipart/alternative")
4868 (not (or gnus-mime-display-multipart-as-mixed
4869 gnus-mime-display-multipart-alternative-as-mixed)))
4870 (let ((id (1+ (length gnus-article-mime-handle-alist))))
4871 (push (cons id handle) gnus-article-mime-handle-alist)
4872 (gnus-mime-display-alternative (cdr handle) nil nil id)))
4873 ;; multipart/related
4874 ((and (equal (car handle) "multipart/related")
4875 (not (or gnus-mime-display-multipart-as-mixed
4876 gnus-mime-display-multipart-related-as-mixed)))
4877 ;;;!!!We should find the start part, but we just default
4878 ;;;!!!to the first part.
4879 ;;(gnus-mime-display-part (cadr handle))
4880 ;;;!!! Most multipart/related is an HTML message plus images.
4881 ;;;!!! Unfortunately we are unable to let W3 display those
4882 ;;;!!! included images, so we just display it as a mixed multipart.
4883 ;;(gnus-mime-display-mixed (cdr handle))
4884 ;;;!!! No, w3 can display everything just fine.
4885 (gnus-mime-display-part (cadr handle)))
4886 ((equal (car handle) "multipart/signed")
4887 (gnus-add-wash-type 'signed)
4888 (gnus-mime-display-security handle))
4889 ((equal (car handle) "multipart/encrypted")
4890 (gnus-add-wash-type 'encrypted)
4891 (gnus-mime-display-security handle))
4892 ;; Other multiparts are handled like multipart/mixed.
4894 (gnus-mime-display-mixed (cdr handle)))))
4896 (defun gnus-mime-part-function (handles)
4897 (if (stringp (car handles))
4898 (mapcar 'gnus-mime-part-function (cdr handles))
4899 (funcall gnus-article-mime-part-function handles)))
4901 (defun gnus-mime-display-mixed (handles)
4902 (mapcar 'gnus-mime-display-part handles))
4904 (defun gnus-mime-display-single (handle)
4905 (let ((type (mm-handle-media-type handle))
4906 (ignored gnus-ignored-mime-types)
4913 (when (string-match (pop ignored) type)
4914 (throw 'ignored nil)))
4915 (if (and (setq not-attachment
4916 (and (not (mm-inline-override-p handle))
4917 (or (not (mm-handle-disposition handle))
4918 (equal (car (mm-handle-disposition handle))
4920 (mm-attachment-override-p handle))))
4921 (mm-automatic-display-p handle)
4923 (mm-inlinable-p handle)
4924 (mm-inlined-p handle))
4925 (mm-automatic-external-display-p type)))
4927 (when (equal (mm-handle-media-supertype handle) "text")
4929 (let ((id (1+ (length gnus-article-mime-handle-alist)))
4931 (push (cons id handle) gnus-article-mime-handle-alist)
4932 (when (or (not display)
4933 (not (gnus-unbuttonized-mime-type-p type)))
4934 ;(gnus-article-insert-newline)
4935 (gnus-insert-mime-button
4936 handle id (list (or display (and not-attachment text))))
4937 (gnus-article-insert-newline)
4938 ;(gnus-article-insert-newline)
4939 ;; Remember modify the number of forward lines.
4947 (let ((mail-parse-charset gnus-newsgroup-charset)
4948 (mail-parse-ignored-charsets
4949 (save-excursion (condition-case ()
4950 (set-buffer gnus-summary-buffer)
4952 gnus-newsgroup-ignored-charsets)))
4953 (mm-display-part handle t))
4954 (goto-char (point-max)))
4955 ((and text not-attachment)
4959 (gnus-article-insert-newline)
4960 (mm-insert-inline handle (mm-get-part handle))
4961 (goto-char (point-max))))
4965 (narrow-to-region beg (point))
4968 (gnus-article-mime-total-parts)
4969 (mm-handle-media-type handle)))))))))
4971 (defun gnus-unbuttonized-mime-type-p (type)
4972 "Say whether TYPE is to be unbuttonized."
4973 (unless gnus-inhibit-mime-unbuttonizing
4975 (let ((types gnus-unbuttonized-mime-types))
4977 (when (string-match (pop types) type)
4978 (throw 'found t)))))
4980 (let ((types gnus-buttonized-mime-types))
4982 (when (string-match (pop types) type)
4983 (throw 'found t)))))))))
4985 (defun gnus-article-insert-newline ()
4986 "Insert a newline, but mark it as undeletable."
4987 (gnus-put-text-property
4988 (point) (progn (insert "\n") (point)) 'gnus-undeletable t))
4990 (defun gnus-mime-display-alternative (handles &optional preferred ibegend id)
4991 (let* ((preferred (or preferred (mm-preferred-alternative handles)))
4994 handle buffer-read-only from props begend not-pref)
4995 (save-window-excursion
4998 (narrow-to-region (car ibegend)
5001 (goto-char (car ibegend))
5004 (delete-region (point-min) (point-max))
5005 (mm-remove-parts handles))
5006 (setq begend (list (point-marker)))
5008 (unless (setq not-pref (cadr (member preferred ihandles)))
5009 (setq not-pref (car ihandles)))
5012 (not (gnus-unbuttonized-mime-type-p
5013 "multipart/alternative")))
5014 (gnus-add-text-properties
5017 (insert (format "%d. " id))
5021 (unless ,(not ibegend)
5022 (setq gnus-article-mime-handle-alist
5023 ',gnus-article-mime-handle-alist))
5024 (gnus-mime-display-alternative
5025 ',ihandles ',not-pref ',begend ,id))
5026 ,@(gnus-local-map-property gnus-mime-button-map)
5027 ,gnus-mouse-face-prop ,gnus-article-mouse-face
5028 face ,gnus-article-button-face
5031 (widget-convert-button 'link from (point)
5032 :action 'gnus-widget-press-button
5033 :button-keymap gnus-widget-button-keymap)
5035 (while (setq handle (pop handles))
5036 (gnus-add-text-properties
5039 (insert (format "(%c) %-18s"
5040 (if (equal handle preferred) ?* ? )
5041 (mm-handle-media-type handle)))
5045 (unless ,(not ibegend)
5046 (setq gnus-article-mime-handle-alist
5047 ',gnus-article-mime-handle-alist))
5048 (gnus-mime-display-alternative
5049 ',ihandles ',handle ',begend ,id))
5050 ,@(gnus-local-map-property gnus-mime-button-map)
5051 ,gnus-mouse-face-prop ,gnus-article-mouse-face
5052 face ,gnus-article-button-face
5055 (widget-convert-button 'link from (point)
5056 :action 'gnus-widget-press-button
5057 :button-keymap gnus-widget-button-keymap)
5061 (if (stringp (car preferred))
5062 (gnus-display-mime preferred)
5063 (let ((mail-parse-charset gnus-newsgroup-charset)
5064 (mail-parse-ignored-charsets
5065 (save-excursion (set-buffer gnus-summary-buffer)
5066 gnus-newsgroup-ignored-charsets)))
5067 (mm-display-part preferred)
5071 (narrow-to-region (car begend) (point-max))
5073 nil (length gnus-article-mime-handle-alist)
5074 (gnus-article-mime-total-parts)
5075 (mm-handle-media-type handle))))))
5076 (goto-char (point-max))
5077 (setcdr begend (point-marker)))))
5079 (goto-char point))))
5081 (defconst gnus-article-wash-status-strings
5082 (let ((alist '((cite "c" "Possible hidden citation text"
5083 " " "All citation text visible")
5084 (headers "h" "Hidden headers"
5085 " " "All headers visible.")
5086 (pgp "p" "Encrypted or signed message status hidden"
5087 " " "No hidden encryption nor digital signature status")
5088 (signature "s" "Signature has been hidden"
5089 " " "Signature is visible")
5090 (overstrike "o" "Overstrike (^H) characters applied"
5091 " " "No overstrike characters applied")
5092 (gnus-show-mime "m" "Mime processing is activated"
5093 " " "Mime processing is not activated")
5094 (emphasis "e" "/*_Emphasis_*/ characters applied"
5095 " " "No /*_emphasis_*/ characters applied")))
5097 (dolist (entry alist result)
5098 (let ((key (nth 0 entry))
5099 (on (copy-sequence (nth 1 entry)))
5100 (on-help (nth 2 entry))
5101 (off (copy-sequence (nth 3 entry)))
5102 (off-help (nth 4 entry)))
5103 (put-text-property 0 1 'help-echo on-help on)
5104 (put-text-property 0 1 'help-echo off-help off)
5105 (push (list key on off) result))))
5106 "Alist of strings describing wash status in the mode line.
5107 Each entry has the form (KEY ON OF), where the KEY is a symbol
5108 representing the particular washing function, ON is the string to use
5109 in the article mode line when the washing function is active, and OFF
5110 is the string to use when it is inactive.")
5112 (defun gnus-article-wash-status-entry (key value)
5113 (let ((entry (assoc key gnus-article-wash-status-strings)))
5114 (if value (nth 1 entry) (nth 2 entry))))
5116 (defun gnus-article-wash-status ()
5117 "Return a string which display status of article washing."
5119 (set-buffer gnus-article-buffer)
5120 (let ((cite (memq 'cite gnus-article-wash-types))
5121 (headers (memq 'headers gnus-article-wash-types))
5122 (boring (memq 'boring-headers gnus-article-wash-types))
5123 (pgp (memq 'pgp gnus-article-wash-types))
5124 (pem (memq 'pem gnus-article-wash-types))
5125 (signed (memq 'signed gnus-article-wash-types))
5126 (encrypted (memq 'encrypted gnus-article-wash-types))
5127 (signature (memq 'signature gnus-article-wash-types))
5128 (overstrike (memq 'overstrike gnus-article-wash-types))
5129 (emphasis (memq 'emphasis gnus-article-wash-types)))
5131 (gnus-article-wash-status-entry 'cite cite)
5132 (gnus-article-wash-status-entry 'headers (or headers boring))
5133 (gnus-article-wash-status-entry 'pgp (or pgp pem signed encrypted))
5134 (gnus-article-wash-status-entry 'signature signature)
5135 (gnus-article-wash-status-entry 'overstrike overstrike)
5136 (gnus-article-wash-status-entry 'gnus-show-mime gnus-show-mime)
5137 (gnus-article-wash-status-entry 'emphasis emphasis)))))
5139 (defun gnus-add-wash-type (type)
5140 "Add a washing of TYPE to the current status."
5141 (add-to-list 'gnus-article-wash-types type))
5143 (defun gnus-delete-wash-type (type)
5144 "Add a washing of TYPE to the current status."
5145 (setq gnus-article-wash-types (delq type gnus-article-wash-types)))
5147 (defun gnus-add-image (category image)
5148 "Add IMAGE of CATEGORY to the list of displayed images."
5149 (let ((entry (assq category gnus-article-image-alist)))
5151 (setq entry (list category))
5152 (push entry gnus-article-image-alist))
5153 (nconc entry (list image))))
5155 (defun gnus-delete-images (category)
5156 "Delete all images in CATEGORY."
5157 (let ((entry (assq category gnus-article-image-alist)))
5158 (dolist (image (cdr entry))
5159 (gnus-remove-image image))
5160 (setq gnus-article-image-alist (delq entry gnus-article-image-alist))
5161 (gnus-delete-wash-type category)))
5163 (defalias 'gnus-article-hide-headers-if-wanted 'gnus-article-maybe-hide-headers)
5165 (defun gnus-article-maybe-hide-headers ()
5166 "Hide unwanted headers if `gnus-have-all-headers' is nil.
5167 Provided for backwards compatibility."
5168 (when (and (or (not (gnus-buffer-live-p gnus-summary-buffer))
5169 (not (save-excursion (set-buffer gnus-summary-buffer)
5170 gnus-have-all-headers)))
5171 (not gnus-inhibit-hiding))
5172 (gnus-article-hide-headers)))
5176 (defun gnus-output-to-file (file-name)
5177 "Append the current article to a file named FILE-NAME."
5178 (let ((artbuf (current-buffer)))
5180 (insert-buffer-substring artbuf)
5181 ;; Append newline at end of the buffer as separator, and then
5183 (goto-char (point-max))
5185 (let ((file-name-coding-system nnmail-pathname-coding-system)
5186 (pathname-coding-system nnmail-pathname-coding-system))
5187 (write-region-as-binary (point-min) (point-max) file-name 'append))
5190 (defun gnus-narrow-to-page (&optional arg)
5191 "Narrow the article buffer to a page.
5192 If given a numerical ARG, move forward ARG pages."
5194 (setq arg (if arg (prefix-numeric-value arg) 0))
5196 (set-buffer gnus-article-buffer)
5197 (goto-char (point-min))
5199 ;; Remove any old next/prev buttons.
5200 (when (gnus-visual-p 'page-marker)
5201 (let ((buffer-read-only nil))
5202 (gnus-remove-text-with-property 'gnus-prev)
5203 (gnus-remove-text-with-property 'gnus-next)))
5206 (re-search-backward page-delimiter nil 'move (1+ (abs arg))))
5208 (re-search-forward page-delimiter nil 'move arg)))
5209 (goto-char (match-end 0)))
5212 (if (re-search-forward page-delimiter nil 'move)
5215 (when (and (gnus-visual-p 'page-marker)
5216 (not (= (point-min) 1)))
5218 (goto-char (point-min))
5219 (gnus-insert-prev-page-button)))
5220 (when (and (gnus-visual-p 'page-marker)
5221 (< (+ (point-max) 2) (buffer-size)))
5223 (goto-char (point-max))
5224 (gnus-insert-next-page-button)))))
5226 ;; Article mode commands
5228 (defun gnus-article-goto-next-page ()
5229 "Show the next page of the article."
5231 (gnus-eval-in-buffer-window gnus-summary-buffer
5232 (gnus-summary-next-page)))
5234 (defun gnus-article-goto-prev-page ()
5235 "Show the next page of the article."
5237 (gnus-eval-in-buffer-window gnus-summary-buffer
5238 (gnus-summary-prev-page)))
5240 (defun gnus-article-next-page (&optional lines)
5241 "Show the next page of the current article.
5242 If end of article, return non-nil. Otherwise return nil.
5243 Argument LINES specifies lines to be scrolled up."
5245 (let ((start (window-start))
5246 end-of-buffer end-of-page)
5248 (move-to-window-line -1)
5249 (if (<= (point) start)
5252 (setq start (point)))
5255 (unless (or (cond ((eq (1+ (buffer-size)) (point))
5256 (and (pos-visible-in-window-p)
5257 (setq end-of-buffer t)))
5259 (setq end-of-page t)))
5261 (move-to-window-line lines)
5262 (unless (search-backward "\n\n" nil t)
5263 (setq start (point)))))
5264 (cond (end-of-buffer t)
5266 (gnus-narrow-to-page 1)
5270 (set-window-start (selected-window) start)
5271 (let (window-pixel-scroll-increment)
5275 (defun gnus-article-prev-page (&optional lines)
5276 "Show previous page of current article.
5277 Argument LINES specifies lines to be scrolled down."
5279 (let (beginning-of-buffer beginning-of-page)
5281 (move-to-window-line 0)
5282 (cond ((eq 1 (point))
5283 (setq beginning-of-buffer t))
5285 (setq beginning-of-page t))))
5286 (cond (beginning-of-buffer)
5288 (gnus-narrow-to-page -1))
5291 (let (window-pixel-scroll-increment)
5292 (scroll-down lines))
5293 (beginning-of-buffer
5294 (goto-char (point-min))))))))
5296 (defun gnus-article-only-boring-p ()
5297 "Decide whether there is only boring text remaining in the article.
5298 Something \"interesting\" is a word of at least two letters that does
5299 not have a face in `gnus-article-boring-faces'."
5300 (when (and gnus-article-skip-boring
5301 (boundp 'gnus-article-boring-faces)
5302 (symbol-value 'gnus-article-boring-faces))
5305 (while (re-search-forward "\\b\\w\\w" nil t)
5307 (when (not (gnus-intersection
5308 (gnus-faces-at (point))
5309 (symbol-value 'gnus-article-boring-faces)))
5310 (throw 'only-boring nil)))
5311 (throw 'only-boring t)))))
5313 (defun gnus-article-refer-article ()
5314 "Read article specified by message-id around point."
5317 (re-search-backward "[ \t]\\|^" (gnus-point-at-bol) t)
5318 (re-search-forward "<?news:<?\\|<" (gnus-point-at-eol) t)
5319 (if (re-search-forward "[^@ ]+@[^ \t>]+" (gnus-point-at-eol) t)
5320 (let ((msg-id (concat "<" (match-string 0) ">")))
5321 (set-buffer gnus-summary-buffer)
5322 (gnus-summary-refer-article msg-id))
5323 (error "No references around point"))))
5325 (defun gnus-article-show-summary ()
5326 "Reconfigure windows to show summary buffer."
5328 (if (not (gnus-buffer-live-p gnus-summary-buffer))
5329 (error "There is no summary buffer for this article buffer")
5330 (gnus-article-set-globals)
5331 (gnus-configure-windows 'article)
5332 (gnus-summary-goto-subject gnus-current-article)
5333 (gnus-summary-position-point)))
5335 (defun gnus-article-describe-briefly ()
5336 "Describe article mode commands briefly."
5338 (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")))
5340 (defun gnus-article-summary-command ()
5341 "Execute the last keystroke in the summary buffer."
5343 (let ((obuf (current-buffer))
5344 (owin (current-window-configuration))
5346 (switch-to-buffer gnus-article-current-summary 'norecord)
5347 (setq func (lookup-key (current-local-map) (this-command-keys)))
5348 (call-interactively func)
5350 (set-window-configuration owin)
5351 (set-window-point (get-buffer-window (current-buffer)) (point))))
5353 (defun gnus-article-summary-command-nosave ()
5354 "Execute the last keystroke in the summary buffer."
5357 (pop-to-buffer gnus-article-current-summary 'norecord)
5358 (setq func (lookup-key (current-local-map) (this-command-keys)))
5359 (call-interactively func)))
5361 (defun gnus-article-check-buffer ()
5362 "Beep if not in an article buffer."
5363 (unless (eq (get-buffer gnus-article-buffer) (current-buffer))
5364 (error "Command invoked outside of a Gnus article buffer")))
5366 (defun gnus-article-read-summary-keys (&optional arg key not-restore-window)
5367 "Read a summary buffer key sequence and execute it from the article buffer."
5369 (gnus-article-check-buffer)
5371 '("q" "Q" "c" "r" "\C-c\C-f" "m" "a" "f"
5372 "Zc" "ZC" "ZE" "ZJ" "ZQ" "ZZ" "Zn" "ZR" "ZG" "ZN" "ZP"
5373 "=" "^" "\M-^" "|"))
5379 '("n" "Gn" "p" "Gp"))
5382 (set-buffer gnus-article-current-summary)
5383 (let (gnus-pick-mode)
5384 (push (or key last-command-event) unread-command-events)
5385 (setq keys (static-if (featurep 'xemacs)
5386 (events-to-keys (read-key-sequence nil))
5387 (read-key-sequence nil)))))
5390 (if (or (member keys nosaves)
5391 (member keys nosave-but-article)
5392 (member keys nosave-in-article))
5394 (save-window-excursion
5395 (pop-to-buffer gnus-article-current-summary 'norecord)
5396 ;; We disable the pick minor mode commands.
5397 (let (gnus-pick-mode)
5398 (setq func (lookup-key (current-local-map) keys))))
5402 (unless (member keys nosave-in-article)
5403 (set-buffer gnus-article-current-summary))
5404 (call-interactively func)
5405 (setq new-sum-point (point)))
5406 (when (member keys nosave-but-article)
5407 (pop-to-buffer gnus-article-buffer 'norecord)))
5408 ;; These commands should restore window configuration.
5409 (let ((obuf (current-buffer))
5410 (owin (current-window-configuration))
5412 (summary gnus-article-current-summary)
5413 func in-buffer selected)
5414 (if not-restore-window
5415 (pop-to-buffer summary 'norecord)
5416 (switch-to-buffer summary 'norecord))
5417 (setq in-buffer (current-buffer))
5418 ;; We disable the pick minor mode commands.
5419 (if (and (setq func (let (gnus-pick-mode)
5420 (lookup-key (current-local-map) keys)))
5423 (call-interactively func)
5424 (setq new-sum-point (point))
5425 (when (eq in-buffer (current-buffer))
5426 (setq selected (gnus-summary-select-article))
5428 (unless not-restore-window
5429 (set-window-configuration owin))
5430 (when (eq selected 'old)
5432 (set-window-start (get-buffer-window (current-buffer))
5434 (set-window-point (get-buffer-window (current-buffer))
5436 (let ((win (get-buffer-window gnus-article-current-summary)))
5438 (set-window-point win new-sum-point)))) )
5439 (switch-to-buffer gnus-article-buffer)
5442 (defun gnus-article-describe-key (key)
5443 "Display documentation of the function invoked by KEY. KEY is a string."
5444 (interactive "kDescribe key: ")
5445 (gnus-article-check-buffer)
5446 (if (eq (key-binding key) 'gnus-article-read-summary-keys)
5448 (set-buffer gnus-article-current-summary)
5449 (let (gnus-pick-mode)
5450 (if (featurep 'xemacs)
5452 (push (elt key 0) unread-command-events)
5453 (setq key (events-to-keys
5454 (read-key-sequence "Describe key: "))))
5455 (setq unread-command-events
5457 (lambda (x) (if (>= x 128) (list 'meta (- x 128)) x))
5459 (setq key (read-key-sequence "Describe key: "))))
5461 (describe-key key)))
5463 (defun gnus-article-describe-key-briefly (key &optional insert)
5464 "Display documentation of the function invoked by KEY. KEY is a string."
5465 (interactive "kDescribe key: \nP")
5466 (gnus-article-check-buffer)
5467 (if (eq (key-binding key) 'gnus-article-read-summary-keys)
5469 (set-buffer gnus-article-current-summary)
5470 (let (gnus-pick-mode)
5471 (if (featurep 'xemacs)
5473 (push (elt key 0) unread-command-events)
5474 (setq key (events-to-keys
5475 (read-key-sequence "Describe key: "))))
5476 (setq unread-command-events
5478 (lambda (x) (if (>= x 128) (list 'meta (- x 128)) x))
5480 (setq key (read-key-sequence "Describe key: "))))
5481 (describe-key-briefly key insert))
5482 (describe-key-briefly key insert)))
5484 (defun gnus-article-reply-with-original (&optional wide)
5485 "Start composing a reply mail to the current message.
5486 The text in the region will be yanked. If the region isn't active,
5487 the entire article will be yanked."
5489 (let ((article (cdr gnus-article-current))
5491 (if (not (gnus-mark-active-p))
5492 (with-current-buffer gnus-summary-buffer
5493 (gnus-summary-reply (list (list article)) wide))
5494 (setq contents (buffer-substring (point) (mark t)))
5495 ;; Deactivate active regions.
5496 (when (and (boundp 'transient-mark-mode)
5497 transient-mark-mode)
5498 (setq mark-active nil))
5499 (with-current-buffer gnus-summary-buffer
5501 (list (list article contents)) wide)))))
5503 (defun gnus-article-followup-with-original ()
5504 "Compose a followup to the current article.
5505 The text in the region will be yanked. If the region isn't active,
5506 the entire article will be yanked."
5508 (let ((article (cdr gnus-article-current))
5510 (if (not (gnus-mark-active-p))
5511 (with-current-buffer gnus-summary-buffer
5512 (gnus-summary-followup (list (list article))))
5513 (setq contents (buffer-substring (point) (mark t)))
5514 ;; Deactivate active regions.
5515 (when (and (boundp 'transient-mark-mode)
5516 transient-mark-mode)
5517 (setq mark-active nil))
5518 (with-current-buffer gnus-summary-buffer
5519 (gnus-summary-followup
5520 (list (list article contents)))))))
5522 (defun gnus-article-hide (&optional arg force)
5523 "Hide all the gruft in the current article.
5524 This means that signatures, cited text and (some) headers will be
5526 If given a prefix, show the hidden text instead."
5527 (interactive (append (gnus-article-hidden-arg) (list 'force)))
5528 (gnus-article-hide-headers arg)
5529 (gnus-article-hide-list-identifiers arg)
5530 (gnus-article-hide-citation-maybe arg force)
5531 (gnus-article-hide-signature arg))
5533 (defun gnus-article-maybe-highlight ()
5534 "Do some article highlighting if article highlighting is requested."
5535 (when (gnus-visual-p 'article-highlight 'highlight)
5536 (gnus-article-highlight-some)))
5538 (defun gnus-check-group-server ()
5539 ;; Make sure the connection to the server is alive.
5540 (unless (gnus-server-opened
5541 (gnus-find-method-for-group gnus-newsgroup-name))
5542 (gnus-check-server (gnus-find-method-for-group gnus-newsgroup-name))
5543 (gnus-request-group gnus-newsgroup-name t)))
5546 (autoload 'nneething-get-file-name "nneething"))
5548 (defun gnus-request-article-this-buffer (article group)
5549 "Get an article and insert it into this buffer."
5550 (let (do-update-line sparse-header)
5554 (gnus-kill-all-overlays)
5555 (setq group (or group gnus-newsgroup-name))
5557 ;; Using `gnus-request-article' directly will insert the article into
5558 ;; `nntp-server-buffer' - so we'll save some time by not having to
5559 ;; copy it from the server buffer into the article buffer.
5561 ;; We only request an article by message-id when we do not have the
5562 ;; headers for it, so we'll have to get those.
5563 (when (stringp article)
5564 (gnus-read-header article))
5566 ;; If the article number is negative, that means that this article
5567 ;; doesn't belong in this newsgroup (possibly), so we find its
5568 ;; message-id and request it by id instead of number.
5569 (when (and (numberp article)
5571 (get-buffer gnus-summary-buffer)
5572 (gnus-buffer-exists-p gnus-summary-buffer))
5574 (set-buffer gnus-summary-buffer)
5575 (let ((header (gnus-summary-article-header article)))
5578 ((memq article gnus-newsgroup-sparse)
5579 ;; This is a sparse gap article.
5580 (setq do-update-line article)
5581 (setq article (mail-header-id header))
5582 (setq sparse-header (gnus-read-header article))
5583 (setq gnus-newsgroup-sparse
5584 (delq article gnus-newsgroup-sparse)))
5586 ;; It's a real article.
5587 (setq article (mail-header-id header)))
5589 ;; It is an extracted pseudo-article.
5590 (setq article 'pseudo)
5591 (gnus-request-pseudo-article header))))
5593 (let ((method (gnus-find-method-for-group
5594 gnus-newsgroup-name)))
5595 (when (and (eq (car method) 'nneething)
5597 (let ((dir (nneething-get-file-name
5598 (mail-header-id header))))
5599 (when (and (stringp dir)
5600 (file-directory-p dir))
5601 (setq article 'nneething)
5602 (gnus-group-enter-directory dir))))))))
5605 ;; Refuse to select canceled articles.
5606 ((and (numberp article)
5608 (get-buffer gnus-summary-buffer)
5609 (gnus-buffer-exists-p gnus-summary-buffer)
5610 (eq (cdr (save-excursion
5611 (set-buffer gnus-summary-buffer)
5612 (assq article gnus-newsgroup-reads)))
5613 gnus-canceled-mark))
5615 ;; We first check `gnus-original-article-buffer'.
5616 ((and (get-buffer gnus-original-article-buffer)
5619 (set-buffer gnus-original-article-buffer)
5620 (and (equal (car gnus-original-article) group)
5621 (eq (cdr gnus-original-article) article))))
5622 (insert-buffer-substring gnus-original-article-buffer)
5624 ;; Check the backlog.
5625 ((and gnus-keep-backlog
5626 (gnus-backlog-request-article group article (current-buffer)))
5628 ;; Check asynchronous pre-fetch.
5629 ((gnus-async-request-fetched-article group article (current-buffer))
5630 (gnus-async-prefetch-next group article gnus-summary-buffer)
5631 (when (and (numberp article) gnus-keep-backlog)
5632 (gnus-backlog-enter-article group article (current-buffer)))
5635 ((and gnus-use-cache
5637 (gnus-cache-request-article article group))
5639 ;; Check the agent cache.
5640 ((gnus-agent-request-article article group)
5642 ;; Get the article and put into the article buffer.
5643 ((or (stringp article)
5645 (let ((gnus-override-method gnus-override-method)
5646 (methods (and (stringp article)
5647 gnus-refer-article-method))
5648 (backend (car (gnus-find-method-for-group
5649 gnus-newsgroup-name)))
5651 (buffer-read-only nil))
5652 (if (or (not (listp methods))
5653 (and (symbolp (car methods))
5654 (assq (car methods) nnoo-definition-alist)))
5655 (setq methods (list methods)))
5656 (when (and (null gnus-override-method)
5658 (setq gnus-override-method (pop methods)))
5660 (when (eq gnus-override-method 'current)
5661 (setq gnus-override-method
5662 (with-current-buffer gnus-summary-buffer
5663 gnus-current-select-method)))
5665 (gnus-kill-all-overlays)
5666 (let ((gnus-newsgroup-name group))
5667 (gnus-check-group-server))
5669 ((gnus-request-article article group (current-buffer))
5670 (when (numberp article)
5671 (gnus-async-prefetch-next group article
5672 gnus-summary-buffer)
5673 (when gnus-keep-backlog
5674 (gnus-backlog-enter-article
5675 group article (current-buffer))))
5676 (setq result 'article))
5678 (setq gnus-override-method (pop methods)))
5679 ((not (string-match "^400 "
5680 (nnheader-get-report backend)))
5681 ;; If we get 400 server disconnect, reconnect and
5682 ;; retry; otherwise, assume the article has expired.
5683 (setq result 'done))))
5684 (and (eq result 'article) 'article)))
5688 ;; Associate this article with the current summary buffer.
5689 (setq gnus-article-current-summary gnus-summary-buffer)
5691 ;; Take the article from the original article buffer
5692 ;; and place it in the buffer it's supposed to be in.
5693 (when (and (get-buffer gnus-article-buffer)
5694 (equal (buffer-name (current-buffer))
5695 (buffer-name (get-buffer gnus-article-buffer))))
5697 (if (get-buffer gnus-original-article-buffer)
5698 (set-buffer gnus-original-article-buffer)
5699 (set-buffer (gnus-get-buffer-create gnus-original-article-buffer))
5700 (buffer-disable-undo)
5701 (setq major-mode 'gnus-original-article-mode)
5702 (setq buffer-read-only t))
5703 (let (buffer-read-only)
5705 (insert-buffer-substring gnus-article-buffer))
5706 (setq gnus-original-article (cons group article)))
5709 (run-hooks 'gnus-article-decode-hook)
5710 ;; Mark article as decoded or not.
5711 (setq gnus-article-decoded-p gnus-article-decode-hook))
5713 ;; Update sparse articles.
5714 (when (and do-update-line
5715 (or (numberp article)
5717 (let ((buf (current-buffer)))
5718 (set-buffer gnus-summary-buffer)
5719 (gnus-summary-update-article do-update-line sparse-header)
5720 (gnus-summary-goto-subject do-update-line nil t)
5721 (set-window-point (gnus-get-buffer-window (current-buffer) t)
5723 (set-buffer buf))))))
5729 (defcustom gnus-article-edit-mode-hook nil
5730 "Hook run in article edit mode buffers."
5731 :group 'gnus-article-various
5734 (defcustom gnus-article-edit-article-setup-function
5735 'gnus-article-mime-edit-article-setup
5736 "Function called to setup an editing article buffer."
5737 :group 'gnus-article-various
5740 (defvar gnus-article-edit-done-function nil)
5742 (defvar gnus-article-edit-mode-map nil)
5743 (defvar gnus-article-edit-mode nil)
5745 ;; Should we be using derived.el for this?
5746 (unless gnus-article-edit-mode-map
5747 (setq gnus-article-edit-mode-map (make-keymap))
5748 (set-keymap-parent gnus-article-edit-mode-map text-mode-map)
5750 (gnus-define-keys gnus-article-edit-mode-map
5751 "\C-c?" describe-mode
5752 "\C-c\C-c" gnus-article-edit-done
5753 "\C-c\C-k" gnus-article-edit-exit
5754 "\C-c\C-f\C-t" message-goto-to
5755 "\C-c\C-f\C-o" message-goto-from
5756 "\C-c\C-f\C-b" message-goto-bcc
5757 ;;"\C-c\C-f\C-w" message-goto-fcc
5758 "\C-c\C-f\C-c" message-goto-cc
5759 "\C-c\C-f\C-s" message-goto-subject
5760 "\C-c\C-f\C-r" message-goto-reply-to
5761 "\C-c\C-f\C-n" message-goto-newsgroups
5762 "\C-c\C-f\C-d" message-goto-distribution
5763 "\C-c\C-f\C-f" message-goto-followup-to
5764 "\C-c\C-f\C-m" message-goto-mail-followup-to
5765 "\C-c\C-f\C-k" message-goto-keywords
5766 "\C-c\C-f\C-u" message-goto-summary
5767 "\C-c\C-f\C-i" message-insert-or-toggle-importance
5768 "\C-c\C-f\C-a" message-generate-unsubscribed-mail-followup-to
5769 "\C-c\C-b" message-goto-body
5770 "\C-c\C-i" message-goto-signature
5772 "\C-c\C-t" message-insert-to
5773 "\C-c\C-n" message-insert-newsgroups
5774 "\C-c\C-o" message-sort-headers
5775 "\C-c\C-e" message-elide-region
5776 "\C-c\C-v" message-delete-not-region
5777 "\C-c\C-z" message-kill-to-signature
5778 "\M-\r" message-newline-and-reformat
5779 "\C-c\C-a" mml-attach-file
5780 "\C-a" message-beginning-of-line
5782 "\M-;" comment-region)
5784 (gnus-define-keys (gnus-article-edit-wash-map
5785 "\C-c\C-w" gnus-article-edit-mode-map)
5786 "f" gnus-article-edit-full-stops))
5789 gnus-article-edit-mode-field-menu gnus-article-edit-mode-map ""
5791 ["Fetch To" message-insert-to t]
5792 ["Fetch Newsgroups" message-insert-newsgroups t]
5794 ["To" message-goto-to t]
5795 ["From" message-goto-from t]
5796 ["Subject" message-goto-subject t]
5797 ["Cc" message-goto-cc t]
5798 ["Reply-To" message-goto-reply-to t]
5799 ["Summary" message-goto-summary t]
5800 ["Keywords" message-goto-keywords t]
5801 ["Newsgroups" message-goto-newsgroups t]
5802 ["Followup-To" message-goto-followup-to t]
5803 ["Mail-Followup-To" message-goto-mail-followup-to t]
5804 ["Distribution" message-goto-distribution t]
5805 ["Body" message-goto-body t]
5806 ["Signature" message-goto-signature t]))
5808 (define-derived-mode gnus-article-edit-mode text-mode "Article Edit"
5809 "Major mode for editing articles.
5810 This is an extended text-mode.
5812 \\{gnus-article-edit-mode-map}"
5813 (make-local-variable 'gnus-article-edit-done-function)
5814 (make-local-variable 'gnus-prev-winconf)
5815 (set (make-local-variable 'font-lock-defaults)
5816 '(message-font-lock-keywords t))
5817 (set (make-local-variable 'mail-header-separator) "")
5818 (set (make-local-variable 'gnus-article-edit-mode) t)
5819 (easy-menu-add message-mode-field-menu message-mode-map)
5820 (setq buffer-read-only nil)
5821 (buffer-enable-undo)
5824 (defun gnus-article-edit (&optional force)
5825 "Edit the current article.
5826 This will have permanent effect only in mail groups.
5827 If FORCE is non-nil, allow editing of articles even in read-only
5830 (when (and (not force)
5831 (gnus-group-read-only-p))
5832 (error "The current newsgroup does not support article editing"))
5833 (gnus-article-date-original)
5834 (gnus-article-edit-article
5836 `(lambda (no-highlight)
5838 (gnus-summary-edit-article-done
5839 ,(or (mail-header-references gnus-current-headers) "")
5840 ,(gnus-group-read-only-p) ,gnus-summary-buffer no-highlight))))
5842 (defun gnus-article-edit-article (start-func exit-func)
5843 "Start editing the contents of the current article buffer."
5844 (let ((winconf (current-window-configuration)))
5845 (set-buffer gnus-article-buffer)
5846 (gnus-article-edit-mode)
5847 (funcall start-func)
5848 (set-buffer-modified-p nil)
5849 (gnus-configure-windows 'edit-article)
5850 (setq gnus-article-edit-done-function exit-func)
5851 (setq gnus-prev-winconf winconf)
5852 (when gnus-article-edit-article-setup-function
5853 (funcall gnus-article-edit-article-setup-function))
5854 (gnus-message 6 "C-c C-c to end edits; C-c C-k to exit")))
5856 (defun gnus-article-edit-done (&optional arg)
5857 "Update the article edits and exit."
5859 (let ((func gnus-article-edit-done-function)
5860 (buf (current-buffer))
5861 (start (window-start))
5863 (winconf gnus-prev-winconf))
5864 (remove-hook 'gnus-article-mode-hook
5865 'gnus-article-mime-edit-article-unwind)
5866 (widen) ;; Widen it in case that users narrowed the buffer.
5869 ;; The cache and backlog have to be flushed somewhat.
5870 (when gnus-keep-backlog
5871 (gnus-backlog-remove-article
5872 (car gnus-article-current) (cdr gnus-article-current)))
5873 ;; Flush original article as well.
5875 (when (get-buffer gnus-original-article-buffer)
5876 (set-buffer gnus-original-article-buffer)
5877 (setq gnus-original-article nil)))
5878 (when gnus-use-cache
5879 (gnus-cache-update-article
5880 (car gnus-article-current) (cdr gnus-article-current)))
5881 ;; We remove all text props from the article buffer.
5882 (kill-all-local-variables)
5883 (gnus-set-text-properties (point-min) (point-max) nil)
5885 (set-window-configuration winconf)
5887 (set-window-start (get-buffer-window buf) start)
5888 (set-window-point (get-buffer-window buf) (point))))
5890 (defun gnus-article-edit-exit ()
5891 "Exit the article editing without updating."
5893 (when (or (not (buffer-modified-p))
5894 (yes-or-no-p "Article modified; kill anyway? "))
5895 (let ((curbuf (current-buffer))
5897 (window-start (window-start)))
5899 (if (gnus-buffer-live-p gnus-original-article-buffer)
5900 (insert-buffer-substring gnus-original-article-buffer))
5901 (let ((winconf gnus-prev-winconf))
5902 (kill-all-local-variables)
5904 (set-window-configuration winconf)
5905 ;; Tippy-toe some to make sure that point remains where it was.
5906 (save-current-buffer
5908 (set-window-start (get-buffer-window (current-buffer)) window-start)
5911 (defun gnus-article-edit-full-stops ()
5912 "Interactively repair spacing at end of sentences."
5915 (goto-char (point-min))
5916 (search-forward-regexp "^$" nil t)
5917 (let ((case-fold-search nil))
5918 (query-replace-regexp "\\([.!?][])}]* \\)\\([[({A-Z]\\)" "\\1 \\2"))))
5921 ;;; Article editing with MIME-Edit
5924 (defcustom gnus-article-mime-edit-article-setup-hook nil
5925 "Hook run after setting up a MIME editing article buffer."
5926 :group 'gnus-article-various
5929 (defun gnus-article-mime-edit-article-unwind ()
5930 "Unwind `gnus-article-buffer' if article editing was given up."
5931 (remove-hook 'gnus-article-mode-hook 'gnus-article-mime-edit-article-unwind)
5932 (when (featurep 'font-lock)
5933 (setq font-lock-defaults nil)
5934 (font-lock-mode -1))
5935 (when mime-edit-mode-flag
5936 (mime-edit-exit 'nomime 'no-error)
5939 (defun gnus-article-mime-edit-article-setup ()
5940 "Convert current buffer to MIME-Edit buffer and turn on MIME-Edit mode
5941 after replacing with the original article."
5942 (setq gnus-show-mime t)
5943 (setq gnus-article-edit-done-function
5944 `(lambda (&rest args)
5945 (when mime-edit-mode-flag
5946 (let (mime-edit-insert-user-agent-field)
5949 (goto-char (point-min))
5950 (let (case-fold-search)
5951 (when (re-search-forward
5952 (format "^%s$" (regexp-quote mail-header-separator))
5954 (replace-match "")))
5955 (apply ,gnus-article-edit-done-function args)
5958 (buffer-substring-no-properties (point-min) (point-max))
5959 (set-buffer (get-buffer-create gnus-original-article-buffer))
5961 (setq gnus-current-headers (gnus-article-make-full-mail-header))
5962 (set-buffer gnus-article-buffer)
5963 (gnus-article-prepare-display)))
5964 (substitute-key-definition 'gnus-article-edit-done
5965 'gnus-article-mime-edit-done
5966 gnus-article-edit-mode-map)
5967 (substitute-key-definition 'gnus-article-edit-exit
5968 'gnus-article-mime-edit-exit
5969 gnus-article-edit-mode-map)
5971 (insert-buffer-substring gnus-original-article-buffer)
5972 (unless (member (with-current-buffer gnus-summary-buffer
5973 gnus-newsgroup-name)
5974 '("nndraft:delayed" "nndraft:drafts"))
5975 (let ((ofn (symbol-function 'mime-edit-decode-single-part-in-buffer)))
5976 (fset 'mime-edit-decode-single-part-in-buffer
5977 (lambda (&rest args)
5978 (if (let ((content-type (car args)))
5979 (and (eq 'message (mime-content-type-primary-type
5981 (eq 'rfc822 (mime-content-type-subtype
5983 (setcar (cdr args) 'not-decode-text))
5987 (fset 'mime-edit-decode-single-part-in-buffer ofn))))
5988 (when (featurep 'font-lock)
5989 (set (make-local-variable 'font-lock-defaults)
5990 '(message-font-lock-keywords t))
5991 (font-lock-set-defaults)
5992 (turn-on-font-lock))
5993 (set-buffer-modified-p nil)
5994 (delete-other-windows)
5995 (add-hook 'gnus-article-mode-hook 'gnus-article-mime-edit-article-unwind)
5996 (gnus-run-hooks 'gnus-article-mime-edit-article-setup-hook))
5998 (defun gnus-article-mime-edit-done (&optional arg)
5999 "Update the article MIME edits and exit."
6001 (when (featurep 'font-lock)
6002 (setq font-lock-defaults nil)
6003 (font-lock-mode -1))
6004 (let ((inhibit-read-only t))
6005 (gnus-article-edit-done arg)))
6007 (defun gnus-article-mime-edit-exit ()
6008 "Exit the article MIME editing without updating."
6010 (when (or (not (buffer-modified-p))
6011 (yes-or-no-p "Article modified; kill anyway? "))
6012 (when (featurep 'font-lock)
6013 (setq font-lock-defaults nil)
6014 (font-lock-mode -1))
6015 (when mime-edit-mode-flag
6016 (let (mime-edit-insert-user-agent-field)
6019 (goto-char (point-min))
6020 (let (case-fold-search)
6021 (when (re-search-forward
6022 (format "^%s$" (regexp-quote mail-header-separator)) nil t)
6023 (replace-match "")))
6024 (let ((winconf gnus-prev-winconf))
6026 (buffer-substring-no-properties (point-min) (point-max))
6027 (set-buffer (get-buffer-create gnus-original-article-buffer))
6029 (setq gnus-current-headers (gnus-article-make-full-mail-header))
6030 (set-buffer gnus-article-buffer)
6031 (gnus-article-prepare-display)
6032 (set-window-configuration winconf))))
6035 ;;; Article highlights
6038 ;; Written by Per Abrahamsen <abraham@iesd.auc.dk>.
6040 ;;; Internal Variables:
6042 (defcustom gnus-button-url-regexp
6043 (if (string-match "[[:digit:]]" "1") ;; support POSIX?
6044 "\\b\\(\\(www\\.\\|\\(s?https?\\|ftp\\|file\\|gopher\\|news\\|telnet\\|wais\\|mailto\\|info\\):\\)\\(//[-a-z0-9_.]+:[0-9]*\\)?[-a-z0-9_=!?#$@~%&*+\\/:;.,[:word:]]+[-a-z0-9_=#$@~%&*+\\/[:word:]]\\)"
6045 "\\b\\(\\(www\\.\\|\\(s?https?\\|ftp\\|file\\|gopher\\|news\\|telnet\\|wais\\|mailto\\|info\\):\\)\\(//[-a-z0-9_.]+:[0-9]*\\)?\\([-a-z0-9_=!?#$@~%&*+\\/:;.,]\\|\\w\\)+\\([-a-z0-9_=#$@~%&*+\\/]\\|\\w\\)\\)")
6046 "Regular expression that matches URLs."
6047 :group 'gnus-article-buttons
6050 (defcustom gnus-button-valid-fqdn-regexp
6051 (concat "[a-z0-9][-.a-z0-9]+\\." ;; [hostname.subdomain.]domain.
6053 "\\([a-z][a-z]" ;; two letter country TDLs
6054 "\\|biz\\|com\\|edu\\|gov\\|int\\|mil\\|net\\|org"
6055 "\\|aero\\|coop\\|info\\|name\\|museum"
6056 "\\|arpa\\|pro\\|uucp\\|bitnet\\|bofh" ;; old style?
6058 "Regular expression that matches a valid FQDN."
6059 :group 'gnus-article-buttons
6062 (defcustom gnus-button-man-handler 'manual-entry
6063 "Function to use for displaying man pages.
6064 The function must take at least one argument with a string naming the
6066 :type '(choice (function-item :tag "Man" manual-entry)
6067 (function-item :tag "Woman" woman)
6068 (function :tag "Other"))
6069 :group 'gnus-article-buttons)
6071 (defcustom gnus-ctan-url "http://tug.ctan.org/tex-archive/"
6072 "Top directory of a CTAN \(Comprehensive TeX Archive Network\) archive.
6073 If the default site is too slow, try to find a CTAN mirror, see
6074 <URL:http://tug.ctan.org/tex-archive/CTAN.sites?action=/index.html>. See also
6075 the variable `gnus-button-handle-ctan'."
6076 :group 'gnus-article-buttons
6077 :link '(custom-manual "(gnus)Group Parameters")
6078 :type '(choice (const "http://www.tex.ac.uk/tex-archive/")
6079 (const "http://tug.ctan.org/tex-archive/")
6080 (const "http://www.dante.de/CTAN/")
6081 (string :tag "Other")))
6083 (defcustom gnus-button-ctan-handler 'browse-url
6084 "Function to use for displaying CTAN links.
6085 The function must take one argument, the string naming the URL."
6086 :type '(choice (function-item :tag "Browse Url" browse-url)
6087 (function :tag "Other"))
6088 :group 'gnus-article-buttons)
6090 (defcustom gnus-button-handle-ctan-bogus-regexp "^/?tex-archive/\\|^/"
6091 "Bogus strings removed from CTAN URLs."
6092 :group 'gnus-article-buttons
6093 :type '(choice (const "^/?tex-archive/\\|/")
6094 (regexp :tag "Other")))
6096 (defcustom gnus-button-mid-or-mail-regexp
6097 (concat "\\b\\(<?[a-z0-9][^<>\")!;:,{}\n\t ]*@"
6098 gnus-button-valid-fqdn-regexp
6100 "Regular expression that matches a message ID or a mail address."
6101 :group 'gnus-article-buttons
6104 (defcustom gnus-button-prefer-mid-or-mail 'gnus-button-mid-or-mail-heuristic
6105 "What to do when the button on a string as \"foo123@bar.invalid\" is pushed.
6106 Strings like this can be either a message ID or a mail address. If it is one
6107 of the symbols `mid' or `mail', Gnus will always assume that the string is a
6108 message ID or a mail address, respectivly. If this variable is set to the
6109 symbol `ask', always query the user what do do. If it is a function, this
6110 function will be called with the string as it's only argument. The function
6111 must return `mid', `mail', `invalid' or `ask'."
6112 :group 'gnus-article-buttons
6113 :type '(choice (function-item :tag "Heuristic function"
6114 gnus-button-mid-or-mail-heuristic)
6119 (defcustom gnus-button-mid-or-mail-heuristic-alist
6120 '((-10.0 . ".+\\$.+@")
6123 (-5.0 . "\\+[^+]*\\+.*@") ;; # two plus signs
6124 (-5.0 . "@[Nn][Ee][Ww][Ss]") ;; /\@news/i
6125 (-5.0 . "@.*[Dd][Ii][Aa][Ll][Uu][Pp]") ;; /\@.*dialup/i;
6126 (-1.0 . "^[^a-z]+@")
6128 (-5.0 . "\\.[0-9][0-9]+.*@") ;; "\.[0-9]{2,}.*\@"
6129 (-5.0 . "[a-z].*[A-Z].*[a-z].*[A-Z].*@") ;; "([a-z].*[A-Z].*){2,}\@"
6130 (-3.0 . "[A-Z][A-Z][a-z][a-z].*@")
6131 (-5.0 . "\\...?.?@") ;; (-5.0 . "\..{1,3}\@")
6134 (-1.0 . "^[0-9][0-9]")
6136 ;; -3.0 /^[0-9][0-9a-fA-F]{2,2}/;
6137 (-3.0 . "^[0-9][0-9a-fA-F][0-9a-fA-F][^0-9a-fA-F]")
6138 ;; -5.0 /^[0-9][0-9a-fA-F]{3,3}/;
6139 (-5.0 . "^[0-9][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][^0-9a-fA-F]")
6141 (-3.0 . "[0-9][0-9][0-9][0-9][0-9][^0-9].*@") ;; "[0-9]{5,}.*\@"
6142 (-3.0 . "[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][^0-9].*@")
6145 . "[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9].*@")
6147 ;; compensation for TDMA dated mail addresses:
6148 (25.0 . "-dated-[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]+.*@")
6150 (-20.0 . "\\.fsf@") ;; Gnus
6153 (-20.0 . "_-_") ;; Subject change in thread
6155 (-20.0 . "\\.ln@") ;; leafnode
6156 (-30.0 . "@ID-[0-9]+\\.[a-zA-Z]+\\.dfncis\\.de")
6157 (-30.0 . "@4[Aa][Xx]\\.com") ;; Forte Agent
6159 ;; (5.0 . "") ;; $local_part_len <= 7
6160 (10.0 . "^[^0-9]+@")
6161 (3.0 . "^[^0-9]+[0-9][0-9]?[0-9]?@")
6162 ;; ^[^0-9]+[0-9]{1,3}\@ digits only at end of local part
6165 (2.0 . "[a-z][a-z][._-][A-Z][a-z].*@")
6167 (0.5 . "^[A-Z][a-z]")
6168 (0.5 . "^[A-Z][a-z][a-z]")
6169 (1.5 . "^[A-Z][a-z][A-Z][a-z][^a-z]") ;; ^[A-Z][a-z]{3,3}
6170 (2.0 . "^[A-Z][a-z][A-Z][a-z][a-z][^a-z]")) ;; ^[A-Z][a-z]{4,4}
6171 "An alist of \(RATE . REGEXP\) pairs for `gnus-button-mid-or-mail-heuristic'.
6173 A negative RATE indicates a message IDs, whereas a positive indicates a mail
6174 address. The REGEXP is processed with `case-fold-search' set to `nil'."
6175 :group 'gnus-article-buttons
6176 :type '(repeat (cons (number :tag "Rate")
6177 (regexp :tag "Regexp"))))
6179 (defun gnus-button-mid-or-mail-heuristic (mid-or-mail)
6180 "Guess whether MID-OR-MAIL is a message ID or a mail address.
6181 Returns `mid' if MID-OR-MAIL is a message IDs, `mail' if it's a mail
6182 address, `ask' if unsure and `invalid' if the string is invalid."
6183 (let ((case-fold-search nil)
6184 (list gnus-button-mid-or-mail-heuristic-alist)
6185 (result 0) rate regexp lpartlen elem)
6187 (length (gnus-replace-in-string mid-or-mail "^\\(.*\\)@.*$" "\\1")))
6188 (gnus-message 8 "`%s', length of local part=`%s'." mid-or-mail lpartlen)
6189 ;; Certain special cases...
6192 "^0[0-9]+-[0-9][0-9][0-9][0-9]@t-online\\.de$" "\\|"
6193 "^[0-9]+\.[0-9]+\@compuserve")
6195 (gnus-message 8 "`%s' is a known mail address.")
6196 (setq result 'mail))
6197 (when (string-match "@.*@\\| " mid-or-mail)
6198 (gnus-message 8 "`%s' is invalid.")
6199 (setq result 'invalid))
6200 ;; Nothing more to do, if result is not a number here...
6201 (when (numberp result)
6203 (setq elem (car list)
6207 (when (string-match regexp mid-or-mail)
6208 (setq result (+ result rate))
6210 9 "`%s' matched `%s', rate `%s', result `%s'."
6211 mid-or-mail regexp rate result)))
6212 (when (<= lpartlen 7)
6213 (setq result (+ result 5.0))
6214 (gnus-message 9 "`%s' matched (<= lpartlen 7), result `%s'."
6215 mid-or-mail result))
6216 (when (>= lpartlen 12)
6217 (gnus-message 9 "`%s' matched (>= lpartlen 12)" mid-or-mail)
6219 ((string-match "[0-9][^0-9]+[0-9].*@" mid-or-mail)
6220 ;; Long local part should contain realname if e-mail address,
6221 ;; too many digits: message-id.
6222 ;; $score -= 5.0 + 0.1 * $local_part_len;
6223 (setq rate (* -1.0 (+ 5.0 (* 0.1 lpartlen))))
6224 (setq result (+ result rate))
6226 9 "Many digits in `%s', rate `%s', result `%s'."
6227 mid-or-mail rate result))
6228 ((string-match "[^aeiouy][^aeiouy][^aeiouy][^aeiouy]+.*\@"
6230 ;; Too few vowels [^aeiouy]{4,}.*\@
6231 (setq result (+ result -5.0))
6233 9 "Few vowels in `%s', rate `%s', result `%s'."
6234 mid-or-mail -5.0 result))
6236 (setq result (+ result 5.0))
6238 9 "`%s', rate `%s', result `%s'." mid-or-mail 5.0 result)))))
6239 (gnus-message 8 "`%s': Final rate is `%s'." mid-or-mail result)
6241 ;; Maybe we should make this a customizable alist: (condition . 'result)
6242 ((< result -10.0) 'mid)
6243 ((> result 10.0) 'mail)
6246 (defun gnus-button-handle-mid-or-mail (mid-or-mail)
6247 (let* ((pref gnus-button-prefer-mid-or-mail) guessed
6248 (url-mid (concat "news" ":" mid-or-mail))
6249 (url-mailto (concat "mailto" ":" mid-or-mail)))
6250 (gnus-message 9 "mid-or-mail=%s" mid-or-mail)
6251 (when (fboundp pref)
6253 ;; get rid of surrounding angles...
6255 (gnus-replace-in-string mid-or-mail "^<\\|>$" "")))
6256 (if (or (eq 'mid guessed) (eq 'mail guessed))
6260 (save-window-excursion
6261 (if (y-or-n-p (concat "Is <" mid-or-mail "> a mail address? "))
6264 (cond ((eq pref 'mid)
6265 (gnus-message 8 "calling `gnus-button-handle-news' %s" url-mid)
6266 (gnus-button-handle-news url-mid))
6268 (gnus-message 8 "calling `gnus-url-mailto' %s" url-mailto)
6269 (gnus-url-mailto url-mailto))
6270 (t (gnus-message 3 "Invalid string.")))))
6272 (defun gnus-button-handle-custom (url)
6273 "Follow a Custom URL."
6274 (customize-apropos (gnus-url-unhex-string url)))
6276 (defvar gnus-button-handle-describe-prefix "^\\(C-h\\|<?[Ff]1>?\\)")
6278 (defun gnus-button-handle-describe-function (url)
6279 "Call `describe-function' when pushing the corresponding URL button."
6282 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))))
6284 (defun gnus-button-handle-describe-variable (url)
6285 "Call `describe-variable' when pushing the corresponding URL button."
6288 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))))
6290 (defun gnus-button-handle-describe-key (url)
6291 "Call `describe-key' when pushing the corresponding URL button."
6293 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))
6294 (keys (ignore-errors (eval `(kbd ,key-string)))))
6297 (gnus-message 3 "Invalid key sequence in button: %s" key-string))))
6299 (defun gnus-button-handle-apropos (url)
6300 "Call `apropos' when pushing the corresponding URL button."
6301 (apropos (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6303 (defun gnus-button-handle-apropos-command (url)
6304 "Call `apropos' when pushing the corresponding URL button."
6306 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6308 (defun gnus-button-handle-apropos-variable (url)
6309 "Call `apropos' when pushing the corresponding URL button."
6311 (if (fboundp 'apropos-variable) 'apropos-variable 'apropos)
6312 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6314 (defun gnus-button-handle-apropos-documentation (url)
6315 "Call `apropos' when pushing the corresponding URL button."
6317 (if (fboundp 'apropos-documentation) 'apropos-documentation 'apropos)
6318 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6320 (defun gnus-button-handle-ctan (url)
6321 "Call `browse-url' when pushing a CTAN URL button."
6323 gnus-button-ctan-handler
6326 (gnus-replace-in-string url gnus-button-handle-ctan-bogus-regexp ""))))
6328 (defcustom gnus-button-tex-level 5
6329 "*Integer that says how many TeX-related buttons Gnus will show.
6330 The higher the number, the more buttons will appear and the more false
6331 positives are possible. Note that you can set this variable local to
6332 specifific groups. Setting it higher in TeX groups is probably a good idea.
6333 See Info node `(gnus)Group Parameters' and the variable `gnus-parameters' on
6334 how to set variables in specific groups."
6335 :group 'gnus-article-buttons
6336 :link '(custom-manual "(gnus)Group Parameters")
6339 (defcustom gnus-button-man-level 5
6340 "*Integer that says how many man-related buttons Gnus will show.
6341 The higher the number, the more buttons will appear and the more false
6342 positives are possible. Note that you can set this variable local to
6343 specifific groups. Setting it higher in Unix groups is probably a good idea.
6344 See Info node `(gnus)Group Parameters' and the variable `gnus-parameters' on
6345 how to set variables in specific groups."
6346 :group 'gnus-article-buttons
6347 :link '(custom-manual "(gnus)Group Parameters")
6350 (defcustom gnus-button-emacs-level 5
6351 "*Integer that says how many emacs-related buttons Gnus will show.
6352 The higher the number, the more buttons will appear and the more false
6353 positives are possible. Note that you can set this variable local to
6354 specifific groups. Setting it higher in Emacs or Gnus related groups is
6355 probably a good idea. See Info node `(gnus)Group Parameters' and the variable
6356 `gnus-parameters' on how to set variables in specific groups."
6357 :group 'gnus-article-buttons
6358 :link '(custom-manual "(gnus)Group Parameters")
6361 (defcustom gnus-button-mail-level 5
6362 "*Integer that says how many buttons for message IDs or mail addresses will appear.
6363 The higher the number, the more buttons will appear and the more false
6364 positives are possible."
6365 :group 'gnus-article-buttons
6368 (defcustom gnus-button-alist
6369 '(("<\\(url:[>\n\t ]*?\\)?\\(nntp\\|news\\):[>\n\t ]*\\([^>\n\t ]*@[^>\n\t ]*\\)>"
6370 0 t gnus-button-handle-news 3)
6371 ("\\b\\(nntp\\|news\\):\\([^>\n\t ]*@[^>)!;:,\n\t ]*\\)" 0 t
6372 gnus-button-handle-news 2)
6373 ("\\(\\b<\\(url:[>\n\t ]*\\)?news:[>\n\t ]*\\(//\\)?\\([^>\n\t ]*\\)>\\)"
6375 gnus-button-fetch-group 4)
6376 ("\\bnews:\\(//\\)?\\([^'\">\n\t ]+\\)" 0 t gnus-button-fetch-group 2)
6377 ("\\bin\\( +article\\| +message\\)? +\\(<\\([^\n @<>]+@[^\n @<>]+\\)>\\)" 2
6378 t gnus-button-message-id 3)
6379 ("\\(<URL: *\\)mailto: *\\([^> \n\t]+\\)>" 0 t gnus-url-mailto 2)
6380 ("mailto:\\([-a-z.@_+0-9%=?]+\\)" 0 t gnus-url-mailto 1)
6381 ("\\bmailto:\\([^ \n\t]+\\)" 0 t gnus-url-mailto 1)
6383 ("\\bCTAN:[ \t\n]*\\([^>)!;:,\n\t ]*\\)" 0 (>= gnus-button-tex-level 1)
6384 gnus-button-handle-ctan 1)
6386 ("\\binfo:\\(//\\)?\\([^'\">\n\t ]+\\)" 0
6387 (>= gnus-button-emacs-level 1) gnus-button-handle-info 2)
6389 ("\\bcustom:\\(//\\)?\\([^'\">\n\t ]+\\)" 0
6390 (>= gnus-button-emacs-level 5) gnus-button-handle-custom 2)
6391 ("M-x[ \t\n]customize-[^ ]+[ \t\n]RET[ \t\n]\\([^ ]+\\)[ \t\n]RET" 0
6392 (>= gnus-button-emacs-level 1) gnus-button-handle-custom 1)
6393 ;; Emacs help commands
6394 ("M-x[ \t\n]+apropos[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6395 ;; regexp doesn't match arguments containing ` '.
6396 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos 1)
6397 ("M-x[ \t\n]+apropos-command[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6398 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-command 1)
6399 ("M-x[ \t\n]+apropos-variable[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6400 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-variable 1)
6401 ("M-x[ \t\n]+apropos-documentation[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6402 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-documentation 1)
6403 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+f[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6404 0 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-function 2)
6405 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+v[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6406 0 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-variable 2)
6407 ("`\\(\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+k[ \t\n]+\\([^']+\\)\\)'" 1
6408 ;; Unlike the other regexps we really have to require quoting
6409 ;; here to determine where it ends.
6410 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-key 3)
6411 ;; This is how URLs _should_ be embedded in text...
6412 ("<URL: *\\([^<>]*\\)>" 1 t gnus-button-embedded-url 1)
6414 (gnus-button-url-regexp 0 t browse-url 0)
6416 ("\\b\\([a-z][a-z]+\\)([1-9])\\W" 0
6417 (and (>= gnus-button-man-level 1) (< gnus-button-man-level 3))
6418 gnus-button-handle-man 1)
6419 ;; more man pages: resolv.conf(5), iso_8859-1(7), xterm(1x)
6420 ("\\b\\([a-z][-_.a-z0-9]+\\)([1-9])\\W" 0
6421 (and (>= gnus-button-man-level 3) (< gnus-button-man-level 5))
6422 gnus-button-handle-man 1)
6423 ;; even more: Apache::PerlRun(3pm), PDL::IO::FastRaw(3pm),
6424 ;; SoWWWAnchor(3iv), XSelectInput(3X11)
6425 ("\\b\\([a-z][-_.:a-z0-9]+\\)([1-9][X1a-z]*)\\W" 0
6426 (>= gnus-button-man-level 5) gnus-button-handle-man 1)
6427 ;; MID or mail: To avoid too many false positives we don't try to catch
6428 ;; all kind of allowed MIDs or mail addresses. Domain part must contain
6429 ;; at least one dot. TLD must contain two or three chars or be a know TLD
6430 ;; (info|name|...). Put this entry near the _end_ of `gnus-button-alist'
6431 ;; so that non-ambiguous entries (see above) match first.
6432 (gnus-button-mid-or-mail-regexp
6433 0 (>= gnus-button-mail-level 5) gnus-button-handle-mid-or-mail 1))
6434 "*Alist of regexps matching buttons in article bodies.
6436 Each entry has the form (REGEXP BUTTON FORM CALLBACK PAR...), where
6437 REGEXP: is the string (case insensitive) matching text around the button (can
6438 also be lisp expression evaluating to a string),
6439 BUTTON: is the number of the regexp grouping actually matching the button,
6440 FORM: is a lisp expression which must eval to true for the button to
6442 CALLBACK: is the function to call when the user push this button, and each
6443 PAR: is a number of a regexp grouping whose text will be passed to CALLBACK.
6445 CALLBACK can also be a variable, in that case the value of that
6446 variable it the real callback function."
6447 :group 'gnus-article-buttons
6448 :type '(repeat (list (choice regexp variable)
6449 (integer :tag "Button")
6451 (function :tag "Callback")
6454 (integer :tag "Regexp group")))))
6456 (defcustom gnus-header-button-alist
6457 '(("^\\(References\\|Message-I[Dd]\\):" "<[^<>]+>"
6458 0 t gnus-button-message-id 0)
6459 ("^\\(From\\|Reply-To\\):" ": *\\(.+\\)$" 1 t gnus-button-reply 1)
6460 ("^\\(Cc\\|To\\):" "[^ \t\n<>,()\"]+@[^ \t\n<>,()\"]+"
6461 0 t gnus-button-mailto 0)
6462 ("^X-[Uu][Rr][Ll]:" gnus-button-url-regexp 0 t browse-url 0)
6463 ("^Subject:" gnus-button-url-regexp 0 t browse-url 0)
6464 ("^[^:]+:" gnus-button-url-regexp 0 t browse-url 0)
6465 ("^[^:]+:" "\\bmailto:\\([-a-z.@_+0-9%=?]+\\)" 0 t gnus-url-mailto 1)
6466 ("^[^:]+:" "\\(<\\(url: \\)?news:\\([^>\n ]*\\)>\\)" 1 t
6467 gnus-button-message-id 3))
6468 "*Alist of headers and regexps to match buttons in article heads.
6470 This alist is very similar to `gnus-button-alist', except that each
6471 alist has an additional HEADER element first in each entry:
6473 \(HEADER REGEXP BUTTON FORM CALLBACK PAR)
6475 HEADER is a regexp to match a header. For a fuller explanation, see
6476 `gnus-button-alist'."
6477 :group 'gnus-article-buttons
6478 :group 'gnus-article-headers
6479 :type '(repeat (list (regexp :tag "Header")
6481 (integer :tag "Button")
6483 (function :tag "Callback")
6486 (integer :tag "Regexp group")))))
6488 (defvar gnus-button-regexp nil)
6489 (defvar gnus-button-marker-list nil)
6490 ;; Regexp matching any of the regexps from `gnus-button-alist'.
6492 (defvar gnus-button-last nil)
6493 ;; The value of `gnus-button-alist' when `gnus-button-regexp' was build.
6497 (defun gnus-article-push-button (event)
6498 "Check text under the mouse pointer for a callback function.
6499 If the text under the mouse pointer has a `gnus-callback' property,
6500 call it with the value of the `gnus-data' text property."
6502 (set-buffer (window-buffer (posn-window (event-start event))))
6503 (let* ((pos (posn-point (event-start event)))
6504 (data (get-text-property pos 'gnus-data))
6505 (fun (get-text-property pos 'gnus-callback)))
6508 (funcall fun data))))
6510 (defun gnus-article-press-button ()
6511 "Check text at point for a callback function.
6512 If the text at point has a `gnus-callback' property,
6513 call it with the value of the `gnus-data' text property."
6515 (let ((data (get-text-property (point) 'gnus-data))
6516 (fun (get-text-property (point) 'gnus-callback)))
6518 (funcall fun data))))
6520 (defun gnus-article-prev-button (n)
6521 "Move point to N buttons backward.
6522 If N is negative, move forward instead."
6524 (gnus-article-next-button (- n)))
6526 (defun gnus-article-next-button (n)
6527 "Move point to N buttons forward.
6528 If N is negative, move backward instead."
6530 (let ((function (if (< n 0) 'previous-single-property-change
6531 'next-single-property-change))
6532 (inhibit-point-motion-hooks t)
6534 (limit (if (< n 0) (point-min) (point-max))))
6536 (while (and (not (= limit (point)))
6538 ;; Skip past the current button.
6539 (when (get-text-property (point) 'gnus-callback)
6540 (goto-char (funcall function (point) 'gnus-callback nil limit)))
6541 ;; Go to the next (or previous) button.
6542 (gnus-goto-char (funcall function (point) 'gnus-callback nil limit))
6543 ;; Put point at the start of the button.
6544 (when (and backward (not (get-text-property (point) 'gnus-callback)))
6545 (goto-char (funcall function (point) 'gnus-callback nil limit)))
6546 ;; Skip past intangible buttons.
6547 (when (get-text-property (point) 'intangible)
6551 (gnus-message 5 "No more buttons"))
6554 (defun gnus-article-highlight (&optional force)
6555 "Highlight current article.
6556 This function calls `gnus-article-highlight-headers',
6557 `gnus-article-highlight-citation',
6558 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
6559 do the highlighting. See the documentation for those functions."
6560 (interactive (list 'force))
6561 (gnus-article-highlight-headers)
6562 (gnus-article-highlight-citation force)
6563 (gnus-article-highlight-signature)
6564 (gnus-article-add-buttons force)
6565 (gnus-article-add-buttons-to-head))
6567 (defun gnus-article-highlight-some (&optional force)
6568 "Highlight current article.
6569 This function calls `gnus-article-highlight-headers',
6570 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
6571 do the highlighting. See the documentation for those functions."
6572 (interactive (list 'force))
6573 (gnus-article-highlight-headers)
6574 (gnus-article-highlight-signature)
6575 (gnus-article-add-buttons))
6577 (defun gnus-article-highlight-headers ()
6578 "Highlight article headers as specified by `gnus-header-face-alist'."
6581 (set-buffer gnus-article-buffer)
6583 (let ((alist gnus-header-face-alist)
6584 (buffer-read-only nil)
6585 (case-fold-search t)
6586 (inhibit-point-motion-hooks t)
6587 entry regexp header-face field-face from hpoints fpoints)
6588 (article-narrow-to-head)
6589 (while (setq entry (pop alist))
6590 (goto-char (point-min))
6591 (setq regexp (concat "^\\("
6592 (if (string-equal "" (nth 0 entry))
6596 header-face (nth 1 entry)
6597 field-face (nth 2 entry))
6598 (while (and (re-search-forward regexp nil t)
6602 (unless (search-forward ":" nil t)
6604 (when (and header-face
6605 (not (memq (point) hpoints)))
6606 (push (point) hpoints)
6607 (gnus-put-text-property from (point) 'face header-face))
6608 (when (and field-face
6609 (not (memq (setq from (point)) fpoints)))
6611 (if (re-search-forward "^[^ \t]" nil t)
6613 (goto-char (point-max)))
6614 (gnus-put-text-property from (point) 'face field-face))))))))
6616 (defun gnus-article-highlight-signature ()
6617 "Highlight the signature in an article.
6618 It does this by highlighting everything after
6619 `gnus-signature-separator' using `gnus-signature-face'."
6621 (when gnus-signature-face
6623 (set-buffer gnus-article-buffer)
6624 (let ((buffer-read-only nil)
6625 (inhibit-point-motion-hooks t))
6627 (when (gnus-article-narrow-to-signature)
6628 (gnus-overlay-put (gnus-make-overlay (point-min) (point-max))
6629 'face gnus-signature-face)))))))
6631 (defun gnus-article-buttonize-signature ()
6632 "Add button to the signature."
6635 (set-buffer gnus-article-buffer)
6636 (let ((buffer-read-only nil)
6637 (inhibit-point-motion-hooks t))
6638 (when (gnus-article-search-signature)
6639 (gnus-article-add-button (match-beginning 0) (match-end 0)
6640 'gnus-signature-toggle
6641 (set-marker (make-marker)
6642 (1+ (match-end 0))))))))
6644 (defun gnus-button-in-region-p (b e prop)
6645 "Say whether PROP exists in the region."
6646 (text-property-not-all b e prop nil))
6648 (defun gnus-article-add-buttons (&optional force)
6649 "Find external references in the article and make buttons of them.
6650 \"External references\" are things like Message-IDs and URLs, as
6651 specified by `gnus-button-alist'."
6652 (interactive (list 'force))
6654 (set-buffer gnus-article-buffer)
6655 (let ((buffer-read-only nil)
6656 (inhibit-point-motion-hooks t)
6657 (case-fold-search t)
6658 (alist gnus-button-alist)
6660 ;; Remove all old markers.
6661 (let (marker entry new-list)
6662 (while (setq marker (pop gnus-button-marker-list))
6663 (if (or (< marker (point-min)) (>= marker (point-max)))
6664 (push marker new-list)
6666 (when (setq entry (gnus-button-entry))
6667 (put-text-property (match-beginning (nth 1 entry))
6668 (match-end (nth 1 entry))
6669 'gnus-callback nil))
6670 (set-marker marker nil)))
6671 (setq gnus-button-marker-list new-list))
6672 ;; We skip the headers.
6675 (while (setq entry (pop alist))
6676 (setq regexp (eval (car entry)))
6678 (while (re-search-forward regexp nil t)
6679 (let* ((start (and entry (match-beginning (nth 1 entry))))
6680 (end (and entry (match-end (nth 1 entry))))
6681 (from (match-beginning 0)))
6682 (when (and (or (eq t (nth 2 entry))
6683 (eval (nth 2 entry)))
6684 (not (gnus-button-in-region-p
6685 start end 'gnus-callback)))
6686 ;; That optional form returned non-nil, so we add the
6688 (gnus-article-add-button
6689 start end 'gnus-button-push
6690 (car (push (set-marker (make-marker) from)
6691 gnus-button-marker-list))))))))))
6693 ;; Add buttons to the head of an article.
6694 (defun gnus-article-add-buttons-to-head ()
6695 "Add buttons to the head of the article."
6698 (set-buffer gnus-article-buffer)
6700 (let ((buffer-read-only nil)
6701 (inhibit-point-motion-hooks t)
6702 (case-fold-search t)
6703 (alist gnus-header-button-alist)
6705 (article-narrow-to-head)
6707 ;; Each alist entry.
6708 (setq entry (car alist)
6710 (goto-char (point-min))
6711 (while (re-search-forward (car entry) nil t)
6712 ;; Each header matching the entry.
6713 (setq beg (match-beginning 0))
6714 (setq end (or (and (re-search-forward "^[^ \t]" nil t)
6715 (match-beginning 0))
6718 (while (re-search-forward (eval (nth 1 entry)) end t)
6719 ;; Each match within a header.
6720 (let* ((entry (cdr entry))
6721 (start (match-beginning (nth 1 entry)))
6722 (end (match-end (nth 1 entry)))
6723 (form (nth 2 entry)))
6724 (goto-char (match-end 0))
6726 (gnus-article-add-button
6727 start end (nth 3 entry)
6728 (buffer-substring (match-beginning (nth 4 entry))
6729 (match-end (nth 4 entry)))))))
6730 (goto-char end)))))))
6732 ;;; External functions:
6734 (defun gnus-article-add-button (from to fun &optional data)
6735 "Create a button between FROM and TO with callback FUN and data DATA."
6736 (when gnus-article-button-face
6737 (gnus-overlay-put (gnus-make-overlay from to)
6738 'face gnus-article-button-face))
6739 (gnus-add-text-properties
6741 (nconc (and gnus-article-mouse-face
6742 (list gnus-mouse-face-prop gnus-article-mouse-face))
6743 (list 'gnus-callback fun)
6744 (and data (list 'gnus-data data))))
6745 (widget-convert-button 'link from to :action 'gnus-widget-press-button
6746 ;; Quote `:button-keymap' for Mule 2.3
6747 ;; but it won't work.
6748 ':button-keymap gnus-widget-button-keymap))
6750 ;;; Internal functions:
6752 (defun gnus-article-set-globals ()
6754 (set-buffer gnus-summary-buffer)
6755 (gnus-set-global-variables)))
6757 (defun gnus-signature-toggle (end)
6759 (set-buffer gnus-article-buffer)
6760 (let ((buffer-read-only nil)
6761 (inhibit-point-motion-hooks t)
6762 (limit (next-single-property-change end 'mime-view-entity
6764 (if (text-property-any end limit 'article-type 'signature)
6766 (gnus-delete-wash-type 'signature)
6767 (gnus-remove-text-properties-when
6768 'article-type 'signature end limit
6769 (cons 'article-type (cons 'signature
6770 gnus-hidden-properties))))
6771 (gnus-add-wash-type 'signature)
6772 (gnus-add-text-properties-when
6773 'article-type nil end limit
6774 (cons 'article-type (cons 'signature
6775 gnus-hidden-properties)))))
6776 (let ((gnus-article-mime-handle-alist-1 gnus-article-mime-handle-alist))
6777 (gnus-set-mode-line 'article))))
6779 (defun gnus-button-entry ()
6780 ;; Return the first entry in `gnus-button-alist' matching this place.
6781 (let ((alist gnus-button-alist)
6784 (setq entry (pop alist))
6785 (if (looking-at (eval (car entry)))
6790 (defun gnus-button-push (marker)
6791 ;; Push button starting at MARKER.
6794 (let* ((entry (gnus-button-entry))
6795 (inhibit-point-motion-hooks t)
6797 (args (mapcar (lambda (group)
6798 (let ((string (match-string group)))
6799 (gnus-set-text-properties
6800 0 (length string) nil string)
6807 (fboundp (symbol-value fun)))
6808 (apply (symbol-value fun) args))
6810 (gnus-message 1 "You must define `%S' to use this button"
6811 (cons fun args)))))))
6813 (defun gnus-parse-news-url (url)
6814 (let (scheme server group message-id articles)
6817 (goto-char (point-min))
6818 (when (looking-at "\\([A-Za-z]+\\):")
6819 (setq scheme (match-string 1))
6820 (goto-char (match-end 0)))
6821 (when (looking-at "//\\([^/]+\\)/")
6822 (setq server (match-string 1))
6823 (goto-char (match-end 0)))
6826 ((looking-at "\\(.*@.*\\)")
6827 (setq message-id (match-string 1)))
6828 ((looking-at "\\([^/]+\\)/\\([-0-9]+\\)")
6829 (setq group (match-string 1)
6830 articles (split-string (match-string 2) "-")))
6831 ((looking-at "\\([^/]+\\)/?")
6832 (setq group (match-string 1)))
6834 (error "Unknown news URL syntax"))))
6835 (list scheme server group message-id articles)))
6837 (defun gnus-button-handle-news (url)
6839 (destructuring-bind (scheme server group message-id articles)
6840 (gnus-parse-news-url url)
6844 (set-buffer gnus-summary-buffer)
6846 (let ((gnus-refer-article-method (list (list 'nntp server))))
6847 (gnus-summary-refer-article message-id))
6848 (gnus-summary-refer-article message-id))))
6850 (gnus-button-fetch-group url)))))
6852 (defun gnus-button-handle-man (url)
6854 (funcall gnus-button-man-handler url))
6856 (defun gnus-button-handle-info (url)
6857 "Fetch an info URL."
6859 "^\\([^:/]+\\)?/\\(.*\\)"
6861 (gnus-info-find-node
6862 (concat "(" (or (gnus-url-unhex-string (match-string 1 url))
6865 (gnus-url-unhex-string (match-string 2 url))))
6866 (error "Can't parse %s" url)))
6868 (defun gnus-button-message-id (message-id)
6871 (set-buffer gnus-summary-buffer)
6872 (gnus-summary-refer-article message-id)))
6874 (defun gnus-button-fetch-group (address)
6875 "Fetch GROUP specified by ADDRESS."
6876 (if (not (string-match "[:/]" address))
6877 ;; This is just a simple group url.
6878 (gnus-group-read-ephemeral-group address gnus-select-method)
6881 "^\\([^:/]+\\)\\(:\\([^/]+\\)\\)?/\\([^/]+\\)\\(/\\([0-9]+\\)\\)?"
6883 (error "Can't parse %s" address)
6884 (gnus-group-read-ephemeral-group
6885 (match-string 4 address)
6886 `(nntp ,(match-string 1 address)
6887 (nntp-address ,(match-string 1 address))
6888 (nntp-port-number ,(if (match-end 3)
6889 (match-string 3 address)
6892 (and (match-end 6) (list (string-to-int (match-string 6 address))))))))
6894 (defun gnus-url-parse-query-string (query &optional downcase)
6895 (let (retval pairs cur key val)
6896 (setq pairs (split-string query "&"))
6898 (setq cur (car pairs)
6900 (if (not (string-match "=" cur))
6902 (setq key (gnus-url-unhex-string (substring cur 0 (match-beginning 0)))
6903 val (gnus-url-unhex-string (substring cur (match-end 0) nil) t))
6905 (setq key (downcase key)))
6906 (setq cur (assoc key retval))
6908 (setcdr cur (cons val (cdr cur)))
6909 (setq retval (cons (list key val) retval)))))
6912 (defun gnus-url-mailto (url)
6913 ;; Send mail to someone
6914 (when (string-match "mailto:/*\\(.*\\)" url)
6915 (setq url (substring url (match-beginning 1) nil)))
6916 (let (to args subject func)
6917 (if (string-match (regexp-quote "?") url)
6918 (setq to (gnus-url-unhex-string (substring url 0 (match-beginning 0)))
6919 args (gnus-url-parse-query-string
6920 (substring url (match-end 0) nil) t))
6921 (setq to (gnus-url-unhex-string url)))
6922 (setq args (cons (list "to" to) args)
6923 subject (cdr-safe (assoc "subject" args)))
6926 (setq func (intern-soft (concat "message-goto-" (downcase (caar args)))))
6929 (message-position-on-field (caar args)))
6930 (insert (mapconcat 'identity (cdar args) ", "))
6931 (setq args (cdr args)))
6934 (message-goto-subject))))
6936 (defun gnus-button-embedded-url (address)
6937 "Activate ADDRESS with `browse-url'."
6938 (browse-url (gnus-strip-whitespace address)))
6940 ;;; Next/prev buttons in the article buffer.
6942 (defvar gnus-next-page-line-format "%{%(Next page...%)%}\n")
6943 (defvar gnus-prev-page-line-format "%{%(Previous page...%)%}\n")
6945 (defvar gnus-prev-page-map
6946 (let ((map (make-sparse-keymap)))
6947 (unless (>= emacs-major-version 21)
6948 ;; XEmacs doesn't care.
6949 (set-keymap-parent map gnus-article-mode-map))
6950 (define-key map gnus-mouse-2 'gnus-button-prev-page)
6951 (define-key map "\r" 'gnus-button-prev-page)
6954 (defun gnus-insert-prev-page-button ()
6956 (buffer-read-only nil)
6957 (situation (get-text-property (point-min) 'mime-view-situation)))
6959 gnus-prev-page-line-format nil
6960 `(,@(gnus-local-map-property gnus-prev-page-map)
6962 gnus-callback gnus-article-button-prev-page
6963 article-type annotation
6964 mime-view-situation ,situation))
6965 (widget-convert-button
6967 ;; Exclude a newline.
6970 :action 'gnus-button-prev-page
6971 :button-keymap gnus-prev-page-map)))
6973 (defvar gnus-next-page-map
6974 (let ((map (make-sparse-keymap)))
6975 (unless (>= emacs-major-version 21)
6976 ;; XEmacs doesn't care.
6977 (set-keymap-parent map gnus-article-mode-map))
6978 (define-key map gnus-mouse-2 'gnus-button-next-page)
6979 (define-key map "\r" 'gnus-button-next-page)
6982 (defun gnus-button-next-page (&optional args more-args)
6983 "Go to the next page."
6985 (let ((win (selected-window)))
6986 (select-window (gnus-get-buffer-window gnus-article-buffer t))
6987 (gnus-article-next-page)
6988 (select-window win)))
6990 (defun gnus-button-prev-page (&optional args more-args)
6991 "Go to the prev page."
6993 (let ((win (selected-window)))
6994 (select-window (gnus-get-buffer-window gnus-article-buffer t))
6995 (gnus-article-prev-page)
6996 (select-window win)))
6998 (defun gnus-insert-next-page-button ()
7000 (buffer-read-only nil)
7001 (situation (get-text-property (point-min) 'mime-view-situation)))
7002 (gnus-eval-format gnus-next-page-line-format nil
7003 `(,@(gnus-local-map-property gnus-next-page-map)
7005 gnus-callback gnus-article-button-next-page
7006 article-type annotation
7007 mime-view-situation ,situation))
7008 (widget-convert-button
7010 ;; Exclude a newline.
7013 :action 'gnus-button-next-page
7014 :button-keymap gnus-next-page-map)))
7016 (defun gnus-article-button-next-page (arg)
7017 "Go to the next page."
7019 (let ((win (selected-window)))
7020 (select-window (gnus-get-buffer-window gnus-article-buffer t))
7021 (gnus-article-next-page)
7022 (select-window win)))
7024 (defun gnus-article-button-prev-page (arg)
7025 "Go to the prev page."
7027 (let ((win (selected-window)))
7028 (select-window (gnus-get-buffer-window gnus-article-buffer t))
7029 (gnus-article-prev-page)
7030 (select-window win)))
7032 (defvar gnus-decode-header-methods
7033 '(mail-decode-encoded-word-region)
7034 "List of methods used to decode headers.
7036 This variable is a list of FUNCTION or (REGEXP . FUNCTION). If item
7037 is FUNCTION, FUNCTION will be apply to all newsgroups. If item is a
7038 \(REGEXP . FUNCTION), FUNCTION will be only apply to thes newsgroups
7039 whose names match REGEXP.
7042 \((\"chinese\" . gnus-decode-encoded-word-region-by-guess)
7043 mail-decode-encoded-word-region
7044 (\"chinese\" . rfc1843-decode-region))
7047 (defvar gnus-decode-header-methods-cache nil)
7049 (defun gnus-multi-decode-header (start end)
7050 "Apply the functions from `gnus-encoded-word-methods' that match."
7051 (unless (and gnus-decode-header-methods-cache
7052 (eq gnus-newsgroup-name
7053 (car gnus-decode-header-methods-cache)))
7054 (setq gnus-decode-header-methods-cache (list gnus-newsgroup-name))
7057 (nconc gnus-decode-header-methods-cache (list x))
7058 (if (and gnus-newsgroup-name
7059 (string-match (car x) gnus-newsgroup-name))
7060 (nconc gnus-decode-header-methods-cache
7062 gnus-decode-header-methods))
7063 (let ((xlist gnus-decode-header-methods-cache))
7066 (narrow-to-region start end)
7068 (funcall (pop xlist) (point-min) (point-max))))))
7071 ;;; Treatment top-level handling.
7074 (defun gnus-treat-article (condition &optional part-number total-parts type)
7075 (let ((length (- (point-max) (point-min)))
7076 (alist gnus-treatment-function-alist)
7077 (article-goto-body-goes-to-point-min-p t)
7081 (let ((list gnus-article-treat-types))
7083 (when (string-match (pop list) type)
7084 (throw 'found t)))))))
7085 (highlightp (gnus-visual-p 'article-highlight 'highlight))
7086 (entity (static-unless (featurep 'xemacs)
7087 (when (eq 'head condition)
7088 (get-text-property (point-min) 'mime-view-entity))))
7089 val elem buttonized)
7090 (gnus-run-hooks 'gnus-part-display-hook)
7091 (unless gnus-inhibit-treatment
7092 (dolist (elem alist)
7095 (when (gnus-buffer-live-p gnus-summary-buffer)
7096 (set-buffer gnus-summary-buffer))
7097 (symbol-value (car elem))))
7098 (when (and (or (consp val)
7100 (gnus-treat-predicate val)
7101 (or (not (get (car elem) 'highlight))
7103 (when (and (not buttonized)
7105 '(gnus-treat-hide-signature
7106 gnus-treat-highlight-signature)))
7107 (gnus-article-buttonize-signature)
7108 (setq buttonized t))
7110 (funcall (cadr elem)))))
7111 ;; FSF Emacsen does not inherit the existing text properties
7112 ;; in the new text, so we should do it for `mime-view-entity'.
7113 (static-unless (featurep 'xemacs)
7115 (put-text-property (point-min) (point-max)
7116 'mime-view-entity entity))))))
7118 ;; Dynamic variables.
7120 (defvar part-number)
7121 (defvar total-parts)
7126 (defun gnus-treat-predicate (val)
7131 (stringp (car val)))
7132 (apply 'gnus-or (mapcar `(lambda (s)
7133 (string-match s ,(or gnus-newsgroup-name "")))
7136 (let ((pred (pop val)))
7139 (apply 'gnus-or (mapcar 'gnus-treat-predicate val)))
7141 (apply 'gnus-and (mapcar 'gnus-treat-predicate val)))
7143 (not (gnus-treat-predicate (car val))))
7145 (equal (car val) type))
7147 (error "%S is not a valid predicate" pred)))))
7157 (eq part-number total-parts))
7161 (error "%S is not a valid value" val))))
7163 (defun gnus-article-encrypt-body (protocol &optional n)
7164 "Encrypt the article body."
7167 (or gnus-article-encrypt-protocol
7168 (completing-read "Encrypt protocol: "
7169 gnus-article-encrypt-protocol-alist
7171 current-prefix-arg))
7172 (let ((func (cdr (assoc protocol gnus-article-encrypt-protocol-alist))))
7174 (error (format "Can't find the encrypt protocol %s" protocol)))
7175 (if (member gnus-newsgroup-name '("nndraft:delayed"
7178 (error "Can't encrypt the article in group %s"
7179 gnus-newsgroup-name))
7180 (gnus-summary-iterate n
7182 (set-buffer gnus-summary-buffer)
7183 (let ((mail-parse-charset gnus-newsgroup-charset)
7184 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets)
7185 (summary-buffer gnus-summary-buffer)
7187 (gnus-set-global-variables)
7188 (when (gnus-group-read-only-p)
7189 (error "The current newsgroup does not support article encrypt"))
7190 (gnus-summary-show-article t)
7192 (or (mail-header-references gnus-current-headers) ""))
7193 (set-buffer gnus-article-buffer)
7194 (let* ((buffer-read-only nil)
7196 (mapcar (lambda (field)
7197 (and (save-restriction
7198 (message-narrow-to-head)
7199 (goto-char (point-min))
7200 (search-forward field nil t))
7202 (message-narrow-to-field)
7204 (delete-region (point-min) (point-max))
7206 '("Content-Type:" "Content-Transfer-Encoding:"
7207 "Content-Disposition:"))))
7208 (message-narrow-to-head)
7209 (message-remove-header "MIME-Version")
7210 (goto-char (point-max))
7211 (setq point (point))
7212 (insert (apply 'concat headers))
7214 (narrow-to-region point (point-max))
7215 (let ((message-options message-options))
7216 (message-options-set 'message-sender user-mail-address)
7217 (message-options-set 'message-recipients user-mail-address)
7218 (message-options-set 'message-sign-encrypt 'not)
7220 (goto-char (point-min))
7221 (insert "MIME-Version: 1.0\n")
7223 (gnus-summary-edit-article-done
7224 references nil summary-buffer t))
7225 (when gnus-keep-backlog
7226 (gnus-backlog-remove-article
7227 (car gnus-article-current) (cdr gnus-article-current)))
7229 (when (get-buffer gnus-original-article-buffer)
7230 (set-buffer gnus-original-article-buffer)
7231 (setq gnus-original-article nil)))
7232 (when gnus-use-cache
7233 (gnus-cache-update-article
7234 (car gnus-article-current) (cdr gnus-article-current))))))))
7236 (defvar gnus-mime-security-button-line-format "%{%([[%t:%i]%D]%)%}\n"
7237 "The following specs can be used:
7238 %t The security MIME type
7241 %D Details if button is pressed")
7243 (defvar gnus-mime-security-button-end-line-format "%{%([[End of %t]%D]%)%}\n"
7244 "The following specs can be used:
7245 %t The security MIME type
7248 %D Details if button is pressed")
7250 (defvar gnus-mime-security-button-line-format-alist
7251 '((?t gnus-tmp-type ?s)
7252 (?i gnus-tmp-info ?s)
7253 (?d gnus-tmp-details ?s)
7254 (?D gnus-tmp-pressed-details ?s)))
7256 (defvar gnus-mime-security-button-map
7257 (let ((map (make-sparse-keymap)))
7258 (unless (>= (string-to-number emacs-version) 21)
7259 (set-keymap-parent map gnus-article-mode-map))
7260 (define-key map gnus-mouse-2 'gnus-article-push-button)
7261 (define-key map "\r" 'gnus-article-press-button)
7264 (defvar gnus-mime-security-details-buffer nil)
7266 (defvar gnus-mime-security-button-pressed nil)
7268 (defvar gnus-mime-security-show-details-inline t
7269 "If non-nil, show details in the article buffer.")
7271 (defun gnus-mime-security-verify-or-decrypt (handle)
7272 (mm-remove-parts (cdr handle))
7273 (let ((region (mm-handle-multipart-ctl-parameter handle 'gnus-region))
7274 point buffer-read-only)
7276 (goto-char (car region)))
7278 (narrow-to-region (point) (point))
7279 (with-current-buffer (mm-handle-multipart-original-buffer handle)
7280 (let* ((mm-verify-option 'known)
7281 (mm-decrypt-option 'known)
7282 (nparts (mm-possibly-verify-or-decrypt (cdr handle) handle)))
7283 (unless (eq nparts (cdr handle))
7284 (mm-destroy-parts (cdr handle))
7285 (setcdr handle nparts))))
7286 (setq point (point))
7287 (gnus-mime-display-security handle)
7288 (goto-char (point-max)))
7290 (delete-region (point) (cdr region))
7291 (set-marker (car region) nil)
7292 (set-marker (cdr region) nil))
7295 (defun gnus-mime-security-show-details (handle)
7296 (let ((details (mm-handle-multipart-ctl-parameter handle 'gnus-details)))
7298 (gnus-message 5 "No details.")
7299 (if gnus-mime-security-show-details-inline
7300 (let ((gnus-mime-security-button-pressed
7301 (not (get-text-property (point) 'gnus-mime-details)))
7302 (gnus-mime-security-button-line-format
7303 (get-text-property (point) 'gnus-line-format))
7306 (while (eq (get-text-property (point) 'gnus-line-format)
7307 gnus-mime-security-button-line-format)
7311 (narrow-to-region (point) (point))
7312 (gnus-insert-mime-security-button handle))
7313 (delete-region (point)
7314 (or (text-property-not-all
7317 gnus-mime-security-button-line-format)
7320 (if (gnus-buffer-live-p gnus-mime-security-details-buffer)
7321 (with-current-buffer gnus-mime-security-details-buffer
7324 (setq gnus-mime-security-details-buffer
7325 (gnus-get-buffer-create "*MIME Security Details*")))
7326 (with-current-buffer gnus-mime-security-details-buffer
7328 (goto-char (point-min)))
7329 (pop-to-buffer gnus-mime-security-details-buffer)))))
7331 (defun gnus-mime-security-press-button (handle)
7333 (if (mm-handle-multipart-ctl-parameter handle 'gnus-info)
7334 (gnus-mime-security-show-details handle)
7335 (gnus-mime-security-verify-or-decrypt handle))))
7337 (defun gnus-insert-mime-security-button (handle &optional displayed)
7338 (let* ((protocol (mm-handle-multipart-ctl-parameter handle 'protocol))
7341 (or (nth 2 (assoc protocol mm-verify-function-alist))
7342 (nth 2 (assoc protocol mm-decrypt-function-alist))
7344 (if (equal (car handle) "multipart/signed")
7345 " Signed" " Encrypted")
7348 (or (mm-handle-multipart-ctl-parameter handle 'gnus-info)
7351 (mm-handle-multipart-ctl-parameter handle 'gnus-details))
7352 gnus-tmp-pressed-details
7354 (setq gnus-tmp-details
7355 (if gnus-tmp-details
7356 (concat "\n" gnus-tmp-details)
7358 (setq gnus-tmp-pressed-details
7359 (if gnus-mime-security-button-pressed gnus-tmp-details ""))
7364 gnus-mime-security-button-line-format
7365 gnus-mime-security-button-line-format-alist
7366 `(,@(gnus-local-map-property gnus-mime-security-button-map)
7367 gnus-callback gnus-mime-security-press-button
7368 gnus-line-format ,gnus-mime-security-button-line-format
7369 gnus-mime-details ,gnus-mime-security-button-pressed
7370 article-type annotation
7373 ;; Exclude a newline.
7376 (widget-convert-button
7379 :action 'gnus-widget-press-button
7380 :button-keymap gnus-mime-security-button-map
7382 (lambda (widget/window &optional overlay pos)
7383 ;; Needed to properly clear the message due to a bug in
7384 ;; wid-edit (XEmacs only).
7385 (when (boundp 'help-echo-owns-message)
7386 (setq help-echo-owns-message t))
7389 (aref gnus-mouse-2 0))))))
7391 (defun gnus-mime-display-security (handle)
7393 (narrow-to-region (point) (point))
7394 (unless (gnus-unbuttonized-mime-type-p (car handle))
7395 (gnus-insert-mime-security-button handle))
7396 (gnus-mime-display-mixed (cdr handle))
7399 (unless (gnus-unbuttonized-mime-type-p (car handle))
7400 (let ((gnus-mime-security-button-line-format
7401 gnus-mime-security-button-end-line-format))
7402 (gnus-insert-mime-security-button handle)))
7403 (mm-set-handle-multipart-parameter
7405 (cons (set-marker (make-marker) (point-min))
7406 (set-marker (make-marker) (point-max))))))
7412 (defun gnus-article-header-presentation-method (entity situation)
7413 (mime-insert-header entity)
7414 (article-decode-group-name))
7416 (set-alist 'mime-header-presentation-method-alist
7417 'gnus-original-article-mode
7418 #'gnus-article-header-presentation-method)
7420 (defun gnus-mime-preview-quitting-method ()
7421 (mime-preview-kill-buffer)
7422 (delete-other-windows)
7423 (gnus-article-show-summary)
7424 (gnus-summary-select-article gnus-show-all-headers t))
7426 (set-alist 'mime-preview-quitting-method-alist
7427 'gnus-original-article-mode #'gnus-mime-preview-quitting-method)
7429 (set-alist 'mime-preview-following-method-alist
7430 'gnus-original-article-mode #'gnus-following-method)
7432 (set-alist 'mime-preview-over-to-previous-method-alist
7433 'gnus-original-article-mode
7435 (if (> (point-min) 1)
7436 (gnus-article-prev-page)
7437 (gnus-article-read-summary-keys
7438 nil (gnus-character-to-event ?P)))))
7440 (set-alist 'mime-preview-over-to-next-method-alist
7441 'gnus-original-article-mode'
7443 (if (< (point-max) (buffer-size))
7444 (gnus-article-next-page)
7445 (gnus-article-read-summary-keys
7446 nil (gnus-character-to-event ?N)))))
7456 (run-hooks 'gnus-art-load-hook)
7458 ;;; gnus-art.el ends here