1 ;;; gnus-art.el --- article mode commands for Semi-gnus
2 ;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
3 ;; Free Software Foundation, Inc.
5 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
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.
34 (defvar tool-bar-map))
44 (when (static-if (featurep 'xemacs)
45 (console-on-window-system-p)
47 (require 'mime-image))
50 ;; Avoid byte-compile warnings.
60 (autoload 'gnus-msg-mail "gnus-msg" nil t)
61 (autoload 'gnus-button-mailto "gnus-msg")
62 (autoload 'gnus-button-reply "gnus-msg" nil t)
63 (autoload 'ansi-color-apply-on-region "ansi-color")
65 (defgroup gnus-article nil
67 :link '(custom-manual "(gnus)Article Buffer")
70 (defgroup gnus-article-treat nil
71 "Treating article parts."
72 :link '(custom-manual "(gnus)Article Hiding")
75 (defgroup gnus-article-hiding nil
76 "Hiding article parts."
77 :link '(custom-manual "(gnus)Article Hiding")
80 (defgroup gnus-article-highlight nil
81 "Article highlighting."
82 :link '(custom-manual "(gnus)Article Highlighting")
86 (defgroup gnus-article-signature nil
88 :link '(custom-manual "(gnus)Article Signature")
91 (defgroup gnus-article-headers nil
93 :link '(custom-manual "(gnus)Hiding Headers")
96 (defgroup gnus-article-washing nil
97 "Special commands on articles."
98 :link '(custom-manual "(gnus)Article Washing")
101 (defgroup gnus-article-emphasis nil
102 "Fontisizing articles."
103 :link '(custom-manual "(gnus)Article Fontisizing")
104 :group 'gnus-article)
106 (defgroup gnus-article-saving nil
108 :link '(custom-manual "(gnus)Saving Articles")
109 :group 'gnus-article)
111 (defgroup gnus-article-mime nil
112 "Worshiping the MIME wonder."
113 :link '(custom-manual "(gnus)Using MIME")
114 :group 'gnus-article)
116 (defgroup gnus-article-buttons nil
117 "Pushable buttons in the article buffer."
118 :link '(custom-manual "(gnus)Article Buttons")
119 :group 'gnus-article)
121 (defgroup gnus-article-various nil
122 "Other article options."
123 :link '(custom-manual "(gnus)Misc Article")
124 :group 'gnus-article)
126 (defcustom gnus-ignored-headers
129 (concat "^" header ":"))
130 '("Path" "Expires" "Date-Received" "References" "Xref" "Lines"
131 "Relay-Version" "Message-ID" "Approved" "Sender" "Received"
132 "X-UIDL" "MIME-Version" "Return-Path" "In-Reply-To"
133 "Content-Type" "Content-Transfer-Encoding" "X-WebTV-Signature"
134 "X-MimeOLE" "X-MSMail-Priority" "X-Priority" "X-Loop"
135 "X-Authentication-Warning" "X-MIME-Autoconverted" "X-Face"
136 "X-Attribution" "X-Originating-IP" "Delivered-To"
137 "NNTP-[-A-Za-z]+" "Distribution" "X-no-archive" "X-Trace"
138 "X-Complaints-To" "X-NNTP-Posting-Host" "X-Orig.*"
139 "Abuse-Reports-To" "Cache-Post-Path" "X-Article-Creation-Date"
140 "X-Poster" "X-Mail2News-Path" "X-Server-Date" "X-Cache"
141 "Originator" "X-Problems-To" "X-Auth-User" "X-Post-Time"
142 "X-Admin" "X-UID" "Resent-[-A-Za-z]+" "X-Mailing-List"
143 "Precedence" "Original-[-A-Za-z]+" "X-filename" "X-Orcpt"
144 "Old-Received" "X-Pgp" "X-Auth" "X-From-Line"
145 "X-Gnus-Article-Number" "X-Majordomo" "X-Url" "X-Sender"
146 "MBOX-Line" "Priority" "X400-[-A-Za-z]+"
147 "Status" "X-Gnus-Mail-Source" "Cancel-Lock"
148 "X-FTN" "X-EXP32-SerialNo" "Encoding" "Importance"
149 "Autoforwarded" "Original-Encoded-Information-Types" "X-Ya-Pop3"
150 "X-Face-Version" "X-Vms-To" "X-ML-NAME" "X-ML-COUNT"
151 "Mailing-List" "X-finfo" "X-md5sum" "X-md5sum-Origin"
152 "X-Sun-Charset" "X-Accept-Language" "X-Envelope-Sender"
153 "List-[A-Za-z]+" "X-Listprocessor-Version"
154 "X-Received" "X-Distribute" "X-Sequence" "X-Juno-Line-Breaks"
155 "X-Notes-Item" "X-MS-TNEF-Correlator" "x-uunet-gateway"
156 "X-Received" "Content-length" "X-precedence"
157 "X-Authenticated-User" "X-Comment" "X-Report" "X-Abuse-Info"
158 "X-HTTP-Proxy" "X-Mydeja-Info" "X-Copyright" "X-No-Markup"
159 "X-Abuse-Info" "X-From_" "X-Accept-Language" "Errors-To"
160 "X-BeenThere" "X-Mailman-Version" "List-Help" "List-Post"
161 "List-Subscribe" "List-Id" "List-Unsubscribe" "List-Archive"
162 "X-Content-length" "X-Posting-Agent" "Original-Received"
163 "X-Request-PGP" "X-Fingerprint" "X-WRIEnvto" "X-WRIEnvfrom"
164 "X-Virus-Scanned" "X-Delivery-Agent" "Posted-Date" "X-Gateway"
165 "X-Local-Origin" "X-Local-Destination" "X-UserInfo1"
166 "X-Received-Date" "X-Hashcash" "Face" "X-DMCA-Notifications"
167 "X-Abuse-and-DMCA-Info" "X-Postfilter" "X-Gpg-.*" "X-Disclaimer"))
168 "*All headers that start with this regexp will be hidden.
169 This variable can also be a list of regexps of headers to be ignored.
170 If `gnus-visible-headers' is non-nil, this variable will be ignored."
171 :type '(choice :custom-show nil
174 :group 'gnus-article-hiding)
176 (defcustom gnus-visible-headers
177 "^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:"
178 "*All headers that do not match this regexp will be hidden.
179 This variable can also be a list of regexp of headers to remain visible.
180 If this variable is non-nil, `gnus-ignored-headers' will be ignored."
181 :type '(repeat :value-to-internal (lambda (widget value)
182 (custom-split-regexp-maybe value))
183 :match (lambda (widget value)
185 (widget-editable-list-match widget value)))
187 :group 'gnus-article-hiding)
189 (defcustom gnus-sorted-header-list
190 '("^From:" "^Subject:" "^Summary:" "^Keywords:" "^Newsgroups:"
191 "^Followup-To:" "^To:" "^Cc:" "^Date:" "^Organization:")
192 "*This variable is a list of regular expressions.
193 If it is non-nil, headers that match the regular expressions will
194 be placed first in the article buffer in the sequence specified by
196 :type '(repeat regexp)
197 :group 'gnus-article-hiding)
199 (defcustom gnus-boring-article-headers '(empty followup-to reply-to)
200 "Headers that are only to be displayed if they have interesting data.
201 Possible values in this list are:
203 'empty Headers with no content.
204 'newsgroups Newsgroup identical to Gnus group.
205 'to-address To identical to To-address.
206 'to-list To identical to To-list.
207 'cc-list CC identical to To-list.
208 'followup-to Followup-to identical to Newsgroups.
209 'reply-to Reply-to identical to From.
210 'date Date less than four days old.
211 'long-to To and/or Cc longer than 1024 characters.
212 'many-to Multiple To and/or Cc."
213 :type '(set (const :tag "Headers with no content." empty)
214 (const :tag "Newsgroups identical to Gnus group." newsgroups)
215 (const :tag "To identical to To-address." to-address)
216 (const :tag "To identical to To-list." to-list)
217 (const :tag "CC identical to To-list." cc-list)
218 (const :tag "Followup-to identical to Newsgroups." followup-to)
219 (const :tag "Reply-to identical to From." reply-to)
220 (const :tag "Date less than four days old." date)
221 (const :tag "To and/or Cc longer than 1024 characters." long-to)
222 (const :tag "Multiple To and/or Cc headers." many-to))
223 :group 'gnus-article-hiding)
225 (defcustom gnus-article-skip-boring nil
226 "Skip over text that is not worth reading.
227 By default, if you set this t, then Gnus will display citations and
228 signatures, but will never scroll down to show you a page consisting
229 only of boring text. Boring text is controlled by
230 `gnus-article-boring-faces'."
233 :group 'gnus-article-hiding)
235 (defcustom gnus-signature-separator '("^-- $" "^-- *$")
236 "Regexp matching signature separator.
237 This can also be a list of regexps. In that case, it will be checked
238 from head to tail looking for a separator. Searches will be done from
239 the end of the buffer."
240 :type '(repeat string)
241 :group 'gnus-article-signature)
243 (defcustom gnus-signature-limit nil
244 "Provide a limit to what is considered a signature.
245 If it is a number, no signature may not be longer (in characters) than
246 that number. If it is a floating point number, no signature may be
247 longer (in lines) than that number. If it is a function, the function
248 will be called without any parameters, and if it returns nil, there is
249 no signature in the buffer. If it is a string, it will be used as a
250 regexp. If it matches, the text in question is not a signature.
252 This can also be a list of the above values."
253 :type '(choice (integer :value 200)
255 (function :value fun)
256 (regexp :value ".*"))
257 :group 'gnus-article-signature)
259 (defcustom gnus-hidden-properties '(invisible t intangible t)
260 "Property list to use for hiding text."
262 :group 'gnus-article-hiding)
264 ;; Fixme: This isn't the right thing for mixed graphical and non-graphical
265 ;; frames in a session.
266 (defcustom gnus-article-x-face-command
271 (if (or (gnus-image-type-available-p 'xface)
272 (gnus-image-type-available-p 'pbm))
273 'gnus-display-x-face-in-from
274 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | ee -"))
275 ((gnus-image-type-available-p 'pbm)
276 'gnus-display-x-face-in-from)
278 (module-installed-p 'x-face-mule))
279 'x-face-mule-gnus-article-display-x-face)
281 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | \
283 "*String or function to be executed to display an X-Face header.
284 If it is a string, the command will be executed in a sub-shell
285 asynchronously. The compressed face will be piped to this command."
287 ,@(let ((x-face-mule (if (featurep 'xemacs)
289 (module-installed-p 'x-face-mule))))
293 (if (or (gnus-image-type-available-p 'xface)
294 (gnus-image-type-available-p 'pbm))
295 '(function-item gnus-display-x-face-in-from))
298 x-face-mule-gnus-article-display-x-face))
302 :group 'gnus-article-washing)
304 (defcustom gnus-article-x-face-too-ugly nil
305 "Regexp matching posters whose face shouldn't be shown automatically."
306 :type '(choice regexp (const nil))
307 :group 'gnus-article-washing)
309 (defcustom gnus-article-banner-alist nil
310 "Banner alist for stripping.
312 ((egroups . \"^[ \\t\\n]*-------------------+\\\\( \\\\(e\\\\|Yahoo! \\\\)Groups Sponsor -+\\\\)?....\\n\\\\(.+\\n\\\\)+\"))"
314 :type '(repeat (cons symbol regexp))
315 :group 'gnus-article-washing)
317 (gnus-define-group-parameter
320 "Alist of regexps (to match group names) and banner."
321 :variable-group gnus-article-washing
323 '(choice :tag "Banner"
325 (const :tag "Remove signature" signature)
326 (symbol :tag "Item in `gnus-article-banner-alist'" none)
328 (const :tag "None" nil))
330 "If non-nil, specify how to remove `banners' from articles.
332 Symbol `signature' means to remove signatures delimited by
333 `gnus-signature-separator'. Any other symbol is used to look up a
334 regular expression to match the banner in `gnus-article-banner-alist'.
335 A string is used as a regular expression to match the banner
338 (defcustom gnus-article-address-banner-alist nil
339 "Alist of mail addresses and banners.
340 Each element has the form (ADDRESS . BANNER), where ADDRESS is a regexp
341 to match a mail address in the From: header, BANNER is one of a symbol
342 `signature', an item in `gnus-article-banner-alist', a regexp and nil.
343 If ADDRESS matches author's mail address, it will remove things like
344 advertisements. For example:
346 \((\"@yoo-hoo\\\\.co\\\\.jp\\\\'\" . \"\\n_+\\nDo You Yoo-hoo!\\\\?\\n.*\\n.*\\n\"))
350 (regexp :tag "Address")
351 (choice :tag "Banner" :value nil
352 (const :tag "Remove signature" signature)
353 (symbol :tag "Item in `gnus-article-banner-alist'" none)
355 (const :tag "None" nil))))
357 :group 'gnus-article-washing)
359 (defcustom gnus-emphasis-alist
361 "\\(\\s-\\|^\\|\\=\\|[-\"]\\|\\s(\\)\\(%s\\(\\w+\\(\\s-+\\w+\\)*[.,]?\\)%s\\)\\(\\([-,.;:!?\"]\\|\\s)\\)+\\s-\\|[?!.]\\s-\\|\\s)\\|\\s-\\)")
366 ("_/" "/_" underline-italic)
367 ("_\\*" "\\*_" underline-bold)
368 ("\\*/" "/\\*" bold-italic)
369 ("_\\*/" "/\\*_" underline-bold-italic))))
373 (format format (car spec) (car (cdr spec)))
374 2 3 (intern (format "gnus-emphasis-%s" (nth 2 spec)))))
376 ("\\(\\s-\\|^\\)\\(_\\(\\(\\w\\|_[^_]\\)+\\)_\\)\\(\\s-\\|[?!.,;]\\)"
377 2 3 gnus-emphasis-underline)))
378 "*Alist that says how to fontify certain phrases.
379 Each item looks like this:
381 (\"_\\\\(\\\\w+\\\\)_\" 0 1 'underline)
383 The first element is a regular expression to be matched. The second
384 is a number that says what regular expression grouping used to find
385 the entire emphasized word. The third is a number that says what
386 regexp grouping should be displayed and highlighted. The fourth
387 is the face used for highlighting."
388 :type '(repeat (list :value ("" 0 0 default)
390 (integer :tag "Match group")
391 (integer :tag "Emphasize group")
393 :group 'gnus-article-emphasis)
395 (defcustom gnus-emphasize-whitespace-regexp "^[ \t]+\\|[ \t]*\n"
396 "A regexp to describe whitespace which should not be emphasized.
397 Typical values are \"^[ \\t]+\\\\|[ \\t]*\\n\" and \"[ \\t]+\\\\|[ \\t]*\\n\".
398 The former avoids underlining of leading and trailing whitespace,
399 and the latter avoids underlining any whitespace at all."
401 :group 'gnus-article-emphasis
404 (defface gnus-emphasis-bold '((t (:bold t)))
405 "Face used for displaying strong emphasized text (*word*)."
406 :group 'gnus-article-emphasis)
408 (defface gnus-emphasis-italic '((t (:italic t)))
409 "Face used for displaying italic emphasized text (/word/)."
410 :group 'gnus-article-emphasis)
412 (defface gnus-emphasis-underline '((t (:underline t)))
413 "Face used for displaying underlined emphasized text (_word_)."
414 :group 'gnus-article-emphasis)
416 (defface gnus-emphasis-underline-bold '((t (:bold t :underline t)))
417 "Face used for displaying underlined bold emphasized text (_*word*_)."
418 :group 'gnus-article-emphasis)
420 (defface gnus-emphasis-underline-italic '((t (:italic t :underline t)))
421 "Face used for displaying underlined italic emphasized text (_/word/_)."
422 :group 'gnus-article-emphasis)
424 (defface gnus-emphasis-bold-italic '((t (:bold t :italic t)))
425 "Face used for displaying bold italic emphasized text (/*word*/)."
426 :group 'gnus-article-emphasis)
428 (defface gnus-emphasis-underline-bold-italic
429 '((t (:bold t :italic t :underline t)))
430 "Face used for displaying underlined bold italic emphasized text.
431 Example: (_/*word*/_)."
432 :group 'gnus-article-emphasis)
434 (defface gnus-emphasis-strikethru (if (featurep 'xemacs)
435 '((t (:strikethru t)))
436 '((t (:strike-through t))))
437 "Face used for displaying strike-through text (-word-)."
438 :group 'gnus-article-emphasis)
440 (defface gnus-emphasis-highlight-words
441 '((t (:background "black" :foreground "yellow")))
442 "Face used for displaying highlighted words."
443 :group 'gnus-article-emphasis)
445 (defcustom gnus-article-time-format "%a, %d %b %Y %T %Z"
446 "Format for display of Date headers in article bodies.
447 See `format-time-string' for the possible values.
449 The variable can also be function, which should return a complete Date
450 header. The function is called with one argument, the time, which can
451 be fed to `format-time-string'."
452 :type '(choice string function)
453 :link '(custom-manual "(gnus)Article Date")
454 :group 'gnus-article-washing)
457 (autoload 'mail-extract-address-components "mail-extr"))
459 (defcustom gnus-save-all-headers t
460 "*If non-nil, don't remove any headers before saving."
461 :group 'gnus-article-saving
464 (defcustom gnus-prompt-before-saving 'always
465 "*This variable says how much prompting is to be done when saving articles.
466 If it is nil, no prompting will be done, and the articles will be
467 saved to the default files. If this variable is `always', each and
468 every article that is saved will be preceded by a prompt, even when
469 saving large batches of articles. If this variable is neither nil not
470 `always', there the user will be prompted once for a file name for
471 each invocation of the saving commands."
472 :group 'gnus-article-saving
473 :type '(choice (item always)
474 (item :tag "never" nil)
475 (sexp :tag "once" :format "%t\n" :value t)))
477 (defcustom gnus-saved-headers gnus-visible-headers
478 "Headers to keep if `gnus-save-all-headers' is nil.
479 If `gnus-save-all-headers' is non-nil, this variable will be ignored.
480 If that variable is nil, however, all headers that match this regexp
481 will be kept while the rest will be deleted before saving."
482 :group 'gnus-article-saving
485 (defcustom gnus-default-article-saver 'gnus-summary-save-in-rmail
486 "A function to save articles in your favourite format.
487 The function must be interactively callable (in other words, it must
488 be an Emacs command).
490 Gnus provides the following functions:
492 * gnus-summary-save-in-rmail (Rmail format)
493 * gnus-summary-save-in-mail (Unix mail format)
494 * gnus-summary-save-in-folder (MH folder)
495 * gnus-summary-save-in-file (article format)
496 * gnus-summary-save-body-in-file (article body)
497 * gnus-summary-save-in-vm (use VM's folder format)
498 * gnus-summary-write-to-file (article format -- overwrite)."
499 :group 'gnus-article-saving
500 :type '(radio (function-item gnus-summary-save-in-rmail)
501 (function-item gnus-summary-save-in-mail)
502 (function-item gnus-summary-save-in-folder)
503 (function-item gnus-summary-save-in-file)
504 (function-item gnus-summary-save-body-in-file)
505 (function-item gnus-summary-save-in-vm)
506 (function-item gnus-summary-write-to-file)))
508 (defcustom gnus-rmail-save-name 'gnus-plain-save-name
509 "A function generating a file name to save articles in Rmail format.
510 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
511 :group 'gnus-article-saving
514 (defcustom gnus-mail-save-name 'gnus-plain-save-name
515 "A function generating a file name to save articles in Unix mail format.
516 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
517 :group 'gnus-article-saving
520 (defcustom gnus-folder-save-name 'gnus-folder-save-name
521 "A function generating a file name to save articles in MH folder.
522 The function is called with NEWSGROUP, HEADERS, and optional LAST-FOLDER."
523 :group 'gnus-article-saving
526 (defcustom gnus-file-save-name 'gnus-numeric-save-name
527 "A function generating a file name to save articles in article format.
528 The function is called with NEWSGROUP, HEADERS, and optional
530 :group 'gnus-article-saving
533 (defcustom gnus-split-methods
534 '((gnus-article-archive-name)
535 (gnus-article-nndoc-name))
536 "*Variable used to suggest where articles are to be saved.
537 For instance, if you would like to save articles related to Gnus in
538 the file \"gnus-stuff\", and articles related to VM in \"vm-stuff\",
539 you could set this variable to something like:
541 '((\"^Subject:.*gnus\\|^Newsgroups:.*gnus\" \"gnus-stuff\")
542 (\"^Subject:.*vm\\|^Xref:.*vm\" \"vm-stuff\"))
544 This variable is an alist where the where the key is the match and the
545 value is a list of possible files to save in if the match is non-nil.
547 If the match is a string, it is used as a regexp match on the
548 article. If the match is a symbol, that symbol will be funcalled
549 from the buffer of the article to be saved with the newsgroup as the
550 parameter. If it is a list, it will be evaled in the same buffer.
552 If this form or function returns a string, this string will be used as
553 a possible file name; and if it returns a non-nil list, that list will
554 be used as possible file names."
555 :group 'gnus-article-saving
556 :type '(repeat (choice (list :value (fun) function)
557 (cons :value ("" "") regexp (repeat string))
560 (defcustom gnus-article-display-method-for-mime
561 'gnus-article-display-mime-message
562 "Function to display a MIME message.
563 The function is called from the article buffer."
564 :group 'gnus-article-mime
567 (defcustom gnus-article-display-method-for-traditional
568 'gnus-article-display-traditional-message
569 "*Function to display a traditional message.
570 The function is called from the article buffer."
571 :group 'gnus-article-mime
574 (defcustom gnus-page-delimiter "^\^L"
575 "*Regexp describing what to use as article page delimiters.
576 The default value is \"^\^L\", which is a form linefeed at the
577 beginning of a line."
579 :group 'gnus-article-various)
581 (defcustom gnus-article-mode-line-format "Gnus: %g [%w] %S%m"
582 "*The format specification for the article mode line.
583 See `gnus-summary-mode-line-format' for a closer description.
585 The following additional specs are available:
587 %w The article washing status.
588 %m The number of MIME parts in the article."
590 :group 'gnus-article-various)
592 (defcustom gnus-article-mode-hook nil
593 "*A hook for Gnus article mode."
595 :group 'gnus-article-various)
597 (when (featurep 'xemacs)
598 ;; Extracted from gnus-xmas-define in order to preserve user settings
599 (when (fboundp 'turn-off-scroll-in-place)
600 (add-hook 'gnus-article-mode-hook 'turn-off-scroll-in-place))
601 ;; Extracted from gnus-xmas-redefine in order to preserve user settings
602 (add-hook 'gnus-article-mode-hook 'gnus-xmas-article-menu-add))
604 (defcustom gnus-article-menu-hook nil
605 "*Hook run after the creation of the article mode menu."
607 :group 'gnus-article-various)
609 (defcustom gnus-article-prepare-hook nil
610 "*A hook called after an article has been prepared in the article buffer."
612 :group 'gnus-article-various)
614 (defcustom gnus-copy-article-ignored-headers nil
615 "List of headers to be removed when copying an article.
616 Each element is a regular expression."
617 :version "22.0" ;; No Gnus
618 :type '(repeat regexp)
619 :group 'gnus-article-various)
621 (make-obsolete-variable 'gnus-article-hide-pgp-hook
622 "This variable is obsolete in Gnus 5.10.")
624 (defcustom gnus-article-button-face 'bold
625 "Face used for highlighting buttons in the article buffer.
627 An article button is a piece of text that you can activate by pressing
628 `RET' or `mouse-2' above it."
630 :group 'gnus-article-buttons)
632 (defcustom gnus-article-mouse-face 'highlight
633 "Face used for mouse highlighting in the article buffer.
635 Article buttons will be displayed in this face when the cursor is
638 :group 'gnus-article-buttons)
640 (defcustom gnus-signature-face 'gnus-signature-face
641 "Face used for highlighting a signature in the article buffer.
642 Obsolete; use the face `gnus-signature-face' for customizations instead."
644 :group 'gnus-article-highlight
645 :group 'gnus-article-signature)
647 (defface gnus-signature-face
650 "Face used for highlighting a signature in the article buffer."
651 :group 'gnus-article-highlight
652 :group 'gnus-article-signature)
654 (defface gnus-header-from-face
657 (:foreground "spring green"))
660 (:foreground "red3"))
663 "Face used for displaying from headers."
664 :group 'gnus-article-headers
665 :group 'gnus-article-highlight)
667 (defface gnus-header-subject-face
670 (:foreground "SeaGreen3"))
673 (:foreground "red4"))
675 (:bold t :italic t)))
676 "Face used for displaying subject headers."
677 :group 'gnus-article-headers
678 :group 'gnus-article-highlight)
680 (defface gnus-header-newsgroups-face
683 (:foreground "yellow" :italic t))
686 (:foreground "MidnightBlue" :italic t))
689 "Face used for displaying newsgroups headers.
690 In the default setup this face is only used for crossposted
692 :group 'gnus-article-headers
693 :group 'gnus-article-highlight)
695 (defface gnus-header-name-face
698 (:foreground "SeaGreen"))
701 (:foreground "maroon"))
704 "Face used for displaying header names."
705 :group 'gnus-article-headers
706 :group 'gnus-article-highlight)
708 (defface gnus-header-content-face
711 (:foreground "forest green" :italic t))
714 (:foreground "indianred4" :italic t))
717 "Face used for displaying header content."
718 :group 'gnus-article-headers
719 :group 'gnus-article-highlight)
721 (defcustom gnus-header-face-alist
722 '(("From" nil gnus-header-from-face)
723 ("Subject" nil gnus-header-subject-face)
724 ("Newsgroups:.*," nil gnus-header-newsgroups-face)
725 ("" gnus-header-name-face gnus-header-content-face))
726 "*Controls highlighting of article headers.
728 An alist of the form (HEADER NAME CONTENT).
730 HEADER is a regular expression which should match the name of a
731 header and NAME and CONTENT are either face names or nil.
733 The name of each header field will be displayed using the face
734 specified by the first element in the list where HEADER matches
735 the header name and NAME is non-nil. Similarly, the content will
736 be displayed by the first non-nil matching CONTENT face."
737 :group 'gnus-article-headers
738 :group 'gnus-article-highlight
739 :type '(repeat (list (regexp :tag "Header")
741 (item :tag "skip" nil)
742 (face :value default))
743 (choice :tag "Content"
744 (item :tag "skip" nil)
745 (face :value default)))))
747 (defcustom gnus-article-decode-hook
748 '(article-decode-group-name article-decode-idna-rhs)
749 "*Hook run to decode charsets in articles."
750 :group 'gnus-article-headers
753 (defcustom gnus-display-mime-function 'gnus-display-mime
754 "Function to display MIME articles."
755 :group 'gnus-article-mime
758 (defvar gnus-decode-header-function 'mail-decode-encoded-word-region
759 "Function used to decode headers.")
761 (defvar gnus-article-dumbquotes-map
781 "Table for MS-to-Latin1 translation.")
783 (defcustom gnus-ignored-mime-types nil
784 "List of MIME types that should be ignored by Gnus."
786 :group 'gnus-article-mime
787 :type '(repeat regexp))
789 (defcustom gnus-unbuttonized-mime-types '(".*/.*")
790 "List of MIME types that should not be given buttons when rendered inline.
791 See also `gnus-buttonized-mime-types' which may override this variable.
792 This variable is only used when `gnus-inhibit-mime-unbuttonizing' is nil."
794 :group 'gnus-article-mime
795 :type '(repeat regexp))
797 (defcustom gnus-buttonized-mime-types nil
798 "List of MIME types that should be given buttons when rendered inline.
799 If set, this variable overrides `gnus-unbuttonized-mime-types'.
800 To see e.g. security buttons you could set this to
801 `(\"multipart/signed\")'.
802 This variable is only used when `gnus-inhibit-mime-unbuttonizing' is nil."
804 :group 'gnus-article-mime
805 :type '(repeat regexp))
807 (defcustom gnus-inhibit-mime-unbuttonizing nil
808 "If non-nil, all MIME parts get buttons.
809 When nil (the default value), then some MIME parts do not get buttons,
810 as described by the variables `gnus-buttonized-mime-types' and
811 `gnus-unbuttonized-mime-types'."
813 :group 'gnus-article-mime
816 (defcustom gnus-body-boundary-delimiter "_"
817 "String used to delimit header and body.
818 This variable is used by `gnus-article-treat-body-boundary' which can
819 be controlled by `gnus-treat-body-boundary'."
821 :group 'gnus-article-various
822 :type '(choice (item :tag "None" :value nil)
825 (defcustom gnus-picon-databases '("/usr/lib/picon" "/usr/local/faces"
827 "Defines the location of the faces database.
828 For information on obtaining this database of pretty pictures, please
829 see http://www.cs.indiana.edu/picons/ftp/index.html"
831 :type '(repeat directory)
832 :link '(url-link :tag "download"
833 "http://www.cs.indiana.edu/picons/ftp/index.html")
834 :link '(custom-manual "(gnus)Picons")
837 (defun gnus-picons-installed-p ()
838 "Say whether picons are installed on your machine."
839 (let ((installed nil))
840 (dolist (database gnus-picon-databases)
841 (when (file-exists-p database)
845 (defcustom gnus-article-mime-part-function nil
846 "Function called with a MIME handle as the argument.
847 This is meant for people who want to do something automatic based
848 on parts -- for instance, adding Vcard info to a database."
849 :group 'gnus-article-mime
852 (defcustom gnus-mime-multipart-functions nil
853 "An alist of MIME types to functions to display them."
855 :group 'gnus-article-mime
856 :type '(repeat (cons :format "%v" (string :tag "MIME type") function)))
858 (defcustom gnus-article-date-lapsed-new-header nil
859 "Whether the X-Sent and Date headers can coexist.
860 When using `gnus-treat-date-lapsed', the \"X-Sent:\" header will
861 either replace the old \"Date:\" header (if this variable is nil), or
862 be added below it (otherwise)."
864 :group 'gnus-article-headers
867 (defcustom gnus-article-mime-match-handle-function 'undisplayed-alternative
868 "Function called with a MIME handle as the argument.
869 This is meant for people who want to view first matched part.
870 For `undisplayed-alternative' (default), the first undisplayed
871 part or alternative part is used. For `undisplayed', the first
872 undisplayed part is used. For a function, the first part which
873 the function return t is used. For nil, the first part is
876 :group 'gnus-article-mime
878 (item :tag "first" :value nil)
879 (item :tag "undisplayed" :value undisplayed)
880 (item :tag "undisplayed or alternative"
881 :value undisplayed-alternative)
884 (defcustom gnus-mime-action-alist
885 '(("save to file" . gnus-mime-save-part)
886 ("save and strip" . gnus-mime-save-part-and-strip)
887 ("delete part" . gnus-mime-delete-part)
888 ("display as text" . gnus-mime-inline-part)
889 ("view the part" . gnus-mime-view-part)
890 ("pipe to command" . gnus-mime-pipe-part)
891 ("toggle display" . gnus-article-press-button)
892 ("toggle display" . gnus-article-view-part-as-charset)
893 ("view as type" . gnus-mime-view-part-as-type)
894 ("view internally" . gnus-mime-view-part-internally)
895 ("view externally" . gnus-mime-view-part-externally))
896 "An alist of actions that run on the MIME attachment."
897 :group 'gnus-article-mime
898 :type '(repeat (cons (string :tag "name")
902 ;;; The treatment variables
905 (defvar gnus-part-display-hook nil
906 "Hook called on parts that are to receive treatment.")
908 (defvar gnus-article-treat-custom
909 '(choice (const :tag "Off" nil)
911 (const :tag "Header" head)
912 (const :tag "Last" last)
913 (const :tag "Mime" mime)
914 (integer :tag "Less")
915 (repeat :tag "Groups" regexp)
916 (sexp :tag "Predicate")))
918 (defvar gnus-article-treat-head-custom
919 '(choice (const :tag "Off" nil)
920 (const :tag "Header" head)))
922 (defvar gnus-article-treat-types '("text/plain")
925 (defvar gnus-inhibit-treatment nil
926 "Whether to inhibit treatment.")
928 (defcustom gnus-treat-highlight-signature '(or t (typep "text/x-vcard"))
929 "Highlight the signature.
930 Valid values are nil, t, `head', `last', an integer or a predicate.
931 See Info node `(gnus)Customizing Articles'."
932 :group 'gnus-article-treat
933 :link '(custom-manual "(gnus)Customizing Articles")
934 :type gnus-article-treat-custom)
935 (put 'gnus-treat-highlight-signature 'highlight t)
937 (defcustom gnus-treat-buttonize 100000
939 Valid values are nil, t, `head', `last', an integer or a predicate.
940 See Info node `(gnus)Customizing Articles'."
941 :group 'gnus-article-treat
942 :link '(custom-manual "(gnus)Customizing Articles")
943 :type gnus-article-treat-custom)
944 (put 'gnus-treat-buttonize 'highlight t)
946 (defcustom gnus-treat-buttonize-head 'head
947 "Add buttons to the head.
948 Valid values are nil, t, `head', `last', an integer or a predicate.
949 See Info node `(gnus)Customizing Articles' for details."
950 :group 'gnus-article-treat
951 :link '(custom-manual "(gnus)Customizing Articles")
952 :type gnus-article-treat-head-custom)
953 (put 'gnus-treat-buttonize-head 'highlight t)
955 (defcustom gnus-treat-emphasize
956 (and (or window-system
960 Valid values are nil, t, `head', `last', an integer or a predicate.
961 See Info node `(gnus)Customizing Articles' for details."
962 :group 'gnus-article-treat
963 :link '(custom-manual "(gnus)Customizing Articles")
964 :type gnus-article-treat-custom)
965 (put 'gnus-treat-emphasize 'highlight t)
967 (defcustom gnus-treat-strip-cr nil
968 "Remove carriage returns.
969 Valid values are nil, t, `head', `last', an integer or a predicate.
970 See Info node `(gnus)Customizing Articles' for details."
972 :group 'gnus-article-treat
973 :link '(custom-manual "(gnus)Customizing Articles")
974 :type gnus-article-treat-custom)
976 (defcustom gnus-treat-unsplit-urls nil
977 "Remove newlines from within URLs.
978 Valid values are nil, t, `head', `last', an integer or a predicate.
979 See Info node `(gnus)Customizing Articles' for details."
981 :group 'gnus-article-treat
982 :link '(custom-manual "(gnus)Customizing Articles")
983 :type gnus-article-treat-custom)
985 (defcustom gnus-treat-leading-whitespace nil
986 "Remove leading whitespace in headers.
987 Valid values are nil, t, `head', `last', an integer or a predicate.
988 See Info node `(gnus)Customizing Articles' for details."
990 :group 'gnus-article-treat
991 :link '(custom-manual "(gnus)Customizing Articles")
992 :type gnus-article-treat-custom)
994 (defcustom gnus-treat-hide-headers 'head
996 Valid values are nil, t, `head', `last', an integer or a predicate.
997 See Info node `(gnus)Customizing Articles' for details."
998 :group 'gnus-article-treat
999 :link '(custom-manual "(gnus)Customizing Articles")
1000 :type gnus-article-treat-head-custom)
1002 (defcustom gnus-treat-hide-boring-headers nil
1003 "Hide boring headers.
1004 Valid values are nil, t, `head', `last', an integer or a predicate.
1005 See Info node `(gnus)Customizing Articles' for details."
1006 :group 'gnus-article-treat
1007 :link '(custom-manual "(gnus)Customizing Articles")
1008 :type gnus-article-treat-head-custom)
1010 (defcustom gnus-treat-hide-signature nil
1011 "Hide the signature.
1012 Valid values are nil, t, `head', `last', an integer or a predicate.
1013 See Info node `(gnus)Customizing Articles' for details."
1014 :group 'gnus-article-treat
1015 :link '(custom-manual "(gnus)Customizing Articles")
1016 :type gnus-article-treat-custom)
1018 (defcustom gnus-treat-fill-article nil
1020 Valid values are nil, t, `head', `last', an integer or a predicate.
1021 See Info node `(gnus)Customizing Articles' for details."
1022 :group 'gnus-article-treat
1023 :link '(custom-manual "(gnus)Customizing Articles")
1024 :type gnus-article-treat-custom)
1026 (defcustom gnus-treat-hide-citation nil
1028 Valid values are nil, t, `head', `last', an integer or a predicate.
1029 See Info node `(gnus)Customizing Articles' for details."
1030 :group 'gnus-article-treat
1031 :link '(custom-manual "(gnus)Customizing Articles")
1032 :type gnus-article-treat-custom)
1034 (defcustom gnus-treat-hide-citation-maybe nil
1036 Valid values are nil, t, `head', `last', an integer or a predicate.
1037 See Info node `(gnus)Customizing Articles' for details."
1038 :group 'gnus-article-treat
1039 :link '(custom-manual "(gnus)Customizing Articles")
1040 :type gnus-article-treat-custom)
1042 (defcustom gnus-treat-strip-list-identifiers 'head
1043 "Strip list identifiers from `gnus-list-identifiers`.
1044 Valid values are nil, t, `head', `last', an integer or a predicate.
1045 See Info node `(gnus)Customizing Articles' for details."
1047 :group 'gnus-article-treat
1048 :link '(custom-manual "(gnus)Customizing Articles")
1049 :type gnus-article-treat-custom)
1051 (make-obsolete-variable 'gnus-treat-strip-pgp
1052 "This option is obsolete in Gnus 5.10.")
1054 (defcustom gnus-treat-strip-pem nil
1055 "Strip PEM signatures.
1056 Valid values are nil, t, `head', `last', an integer or a predicate.
1057 See Info node `(gnus)Customizing Articles' for details."
1058 :group 'gnus-article-treat
1059 :link '(custom-manual "(gnus)Customizing Articles")
1060 :type gnus-article-treat-custom)
1062 (defcustom gnus-treat-strip-banner t
1063 "Strip banners from articles.
1064 The banner to be stripped is specified in the `banner' group parameter.
1065 Valid values are nil, t, `head', `last', an integer or a predicate.
1066 See Info node `(gnus)Customizing Articles' for details."
1067 :group 'gnus-article-treat
1068 :link '(custom-manual "(gnus)Customizing Articles")
1069 :type gnus-article-treat-custom)
1071 (defcustom gnus-treat-highlight-headers 'head
1072 "Highlight the headers.
1073 Valid values are nil, t, `head', `last', an integer or a predicate.
1074 See Info node `(gnus)Customizing Articles' for details."
1075 :group 'gnus-article-treat
1076 :link '(custom-manual "(gnus)Customizing Articles")
1077 :type gnus-article-treat-head-custom)
1078 (put 'gnus-treat-highlight-headers 'highlight t)
1080 (defcustom gnus-treat-highlight-citation t
1081 "Highlight cited text.
1082 Valid values are nil, t, `head', `last', an integer or a predicate.
1083 See Info node `(gnus)Customizing Articles' for details."
1084 :group 'gnus-article-treat
1085 :link '(custom-manual "(gnus)Customizing Articles")
1086 :type gnus-article-treat-custom)
1087 (put 'gnus-treat-highlight-citation 'highlight t)
1089 (defcustom gnus-treat-date-ut nil
1090 "Display the Date in UT (GMT).
1091 Valid values are nil, t, `head', `last', an integer or a predicate.
1092 See Info node `(gnus)Customizing Articles' for details."
1093 :group 'gnus-article-treat
1094 :link '(custom-manual "(gnus)Customizing Articles")
1095 :type gnus-article-treat-head-custom)
1097 (defcustom gnus-treat-date-local nil
1098 "Display the Date in the local timezone.
1099 Valid values are nil, t, `head', `last', an integer or a predicate.
1100 See Info node `(gnus)Customizing Articles' for details."
1101 :group 'gnus-article-treat
1102 :link '(custom-manual "(gnus)Customizing Articles")
1103 :type gnus-article-treat-head-custom)
1105 (defcustom gnus-treat-date-english nil
1106 "Display the Date in a format that can be read aloud in English.
1107 Valid values are nil, t, `head', `last', an integer or a predicate.
1108 See Info node `(gnus)Customizing Articles' for details."
1110 :group 'gnus-article-treat
1111 :link '(custom-manual "(gnus)Customizing Articles")
1112 :type gnus-article-treat-head-custom)
1114 (defcustom gnus-treat-date-lapsed nil
1115 "Display the Date header in a way that says how much time has elapsed.
1116 Valid values are nil, t, `head', `last', an integer or a predicate.
1117 See Info node `(gnus)Customizing Articles' for details."
1118 :group 'gnus-article-treat
1119 :link '(custom-manual "(gnus)Customizing Articles")
1120 :type gnus-article-treat-head-custom)
1122 (defcustom gnus-treat-date-original nil
1123 "Display the date in the original timezone.
1124 Valid values are nil, t, `head', `last', an integer or a predicate.
1125 See Info node `(gnus)Customizing Articles' for details."
1126 :group 'gnus-article-treat
1127 :link '(custom-manual "(gnus)Customizing Articles")
1128 :type gnus-article-treat-head-custom)
1130 (defcustom gnus-treat-date-iso8601 nil
1131 "Display the date in the ISO8601 format.
1132 Valid values are nil, t, `head', `last', an integer or a predicate.
1133 See Info node `(gnus)Customizing Articles' for details."
1135 :group 'gnus-article-treat
1136 :link '(custom-manual "(gnus)Customizing Articles")
1137 :type gnus-article-treat-head-custom)
1139 (defcustom gnus-treat-date-user-defined nil
1140 "Display the date in a user-defined format.
1141 The format is defined by the `gnus-article-time-format' variable.
1142 Valid values are nil, t, `head', `last', an integer or a predicate.
1143 See Info node `(gnus)Customizing Articles' for details."
1144 :group 'gnus-article-treat
1145 :link '(custom-manual "(gnus)Customizing Articles")
1146 :type gnus-article-treat-head-custom)
1148 (defcustom gnus-treat-strip-headers-in-body t
1149 "Strip the X-No-Archive header line from the beginning of the body.
1150 Valid values are nil, t, `head', `last', an integer or a predicate.
1151 See Info node `(gnus)Customizing Articles' for details."
1153 :group 'gnus-article-treat
1154 :link '(custom-manual "(gnus)Customizing Articles")
1155 :type gnus-article-treat-custom)
1157 (defcustom gnus-treat-strip-trailing-blank-lines nil
1158 "Strip trailing blank lines.
1159 Valid values are nil, t, `head', `last', an integer or a predicate.
1160 See Info node `(gnus)Customizing Articles' for details."
1161 :group 'gnus-article-treat
1162 :link '(custom-manual "(gnus)Customizing Articles")
1163 :type gnus-article-treat-custom)
1165 (defcustom gnus-treat-strip-leading-blank-lines nil
1166 "Strip leading blank lines.
1167 Valid values are nil, t, `head', `last', an integer or a predicate.
1168 See Info node `(gnus)Customizing Articles' for details."
1169 :group 'gnus-article-treat
1170 :link '(custom-manual "(gnus)Customizing Articles")
1171 :type gnus-article-treat-custom)
1173 (defcustom gnus-treat-strip-multiple-blank-lines nil
1174 "Strip multiple blank lines.
1175 Valid values are nil, t, `head', `last', an integer or a predicate.
1176 See Info node `(gnus)Customizing Articles' for details."
1177 :group 'gnus-article-treat
1178 :link '(custom-manual "(gnus)Customizing Articles")
1179 :type gnus-article-treat-custom)
1181 (defcustom gnus-treat-unfold-headers 'head
1182 "Unfold folded header lines.
1183 Valid values are nil, t, `head', `last', an integer or a predicate.
1184 See Info node `(gnus)Customizing Articles' for details."
1186 :group 'gnus-article-treat
1187 :link '(custom-manual "(gnus)Customizing Articles")
1188 :type gnus-article-treat-custom)
1190 (defcustom gnus-treat-fold-headers nil
1192 Valid values are nil, t, `head', `last', an integer or a predicate.
1193 See Info node `(gnus)Customizing Articles' for details."
1195 :group 'gnus-article-treat
1196 :link '(custom-manual "(gnus)Customizing Articles")
1197 :type gnus-article-treat-custom)
1199 (defcustom gnus-treat-fold-newsgroups 'head
1200 "Fold the Newsgroups and Followup-To headers.
1201 Valid values are nil, t, `head', `last', an integer or a predicate.
1202 See Info node `(gnus)Customizing Articles' for details."
1204 :group 'gnus-article-treat
1205 :link '(custom-manual "(gnus)Customizing Articles")
1206 :type gnus-article-treat-custom)
1208 (defcustom gnus-treat-overstrike t
1209 "Treat overstrike highlighting.
1210 Valid values are nil, t, `head', `last', an integer or a predicate.
1211 See Info node `(gnus)Customizing Articles' for details."
1212 :group 'gnus-article-treat
1213 :link '(custom-manual "(gnus)Customizing Articles")
1214 :type gnus-article-treat-custom)
1215 (put 'gnus-treat-overstrike 'highlight t)
1217 (defcustom gnus-treat-ansi-sequences (if (locate-library "ansi-color") t)
1218 "Treat ANSI SGR control sequences.
1219 Valid values are nil, t, `head', `last', an integer or a predicate.
1220 See Info node `(gnus)Customizing Articles' for details."
1221 :group 'gnus-article-treat
1222 :link '(custom-manual "(gnus)Customizing Articles")
1223 :type gnus-article-treat-custom)
1225 (make-obsolete-variable 'gnus-treat-display-xface
1226 'gnus-treat-display-x-face)
1228 (defcustom gnus-treat-display-x-face
1229 (and (not noninteractive)
1230 (or (eq gnus-article-x-face-command
1231 'x-face-mule-gnus-article-display-x-face)
1232 (and (fboundp 'image-type-available-p)
1233 (image-type-available-p 'xbm)
1234 (string-match "^0x" (shell-command-to-string "uncompface"))
1235 (executable-find "icontopbm"))
1236 (and (featurep 'xemacs)
1239 "Display X-Face headers.
1240 Valid values are nil, t, `head', `last', an integer or a predicate.
1241 See Info node `(gnus)Customizing Articles' and Info node
1242 `(gnus)X-Face' for details."
1243 :group 'gnus-article-treat
1245 :link '(custom-manual "(gnus)Customizing Articles")
1246 :link '(custom-manual "(gnus)X-Face")
1247 :type gnus-article-treat-head-custom
1248 :set (lambda (symbol value)
1251 (cond ((or (boundp symbol) (get symbol 'saved-value))
1253 ((boundp 'gnus-treat-display-xface)
1255 ** gnus-treat-display-xface is an obsolete variable;\
1256 use gnus-treat-display-x-face instead")
1257 (default-value 'gnus-treat-display-xface))
1258 ((get 'gnus-treat-display-xface 'saved-value)
1260 ** gnus-treat-display-xface is an obsolete variable;\
1261 use gnus-treat-display-x-face instead")
1262 (eval (car (get 'gnus-treat-display-xface 'saved-value))))
1265 (put 'gnus-treat-display-x-face 'highlight t)
1267 (defcustom gnus-article-should-use-smiley-mule
1268 (not (or (featurep 'xemacs)
1269 (gnus-image-type-available-p 'xpm)
1270 (gnus-image-type-available-p 'pbm)))
1271 "Non-nil means use `smiley-mule' to show smileys rather than `smiley'.
1272 `smiley-mule' is boundled in BITMAP-MULE package. You can set it to t
1273 even if your Emacs supports images. It has no effect on XEmacs."
1274 :group 'gnus-article-various
1276 :get (lambda (symbol)
1277 (and (not noninteractive)
1278 (default-value symbol)
1279 (not (featurep 'xemacs))
1280 (module-installed-p 'smiley-mule)
1282 :set (lambda (symbol value)
1283 (set-default symbol (and (not noninteractive)
1285 (not (featurep 'xemacs))
1286 (module-installed-p 'smiley-mule)
1289 (defvar gnus-article-smiley-mule-loaded-p nil
1290 "Internal variable used to say whether `smiley-mule' is loaded (whether
1291 smiley functions are not overridden by `smiley').")
1293 (defcustom gnus-treat-display-face
1294 (and (not noninteractive)
1295 (or (and (fboundp 'image-type-available-p)
1296 (image-type-available-p 'png))
1297 (and (featurep 'xemacs)
1300 "Display Face headers.
1301 Valid values are nil, t, `head', `last', an integer or a predicate.
1302 See Info node `(gnus)Customizing Articles' and Info node
1303 `(gnus)X-Face' for details."
1304 :group 'gnus-article-treat
1306 :link '(custom-manual "(gnus)Customizing Articles")
1307 :link '(custom-manual "(gnus)X-Face")
1308 :type gnus-article-treat-head-custom)
1309 (put 'gnus-treat-display-face 'highlight t)
1311 (defcustom gnus-treat-display-smileys
1312 (if (and (not noninteractive)
1313 (or (and (featurep 'xemacs)
1315 (gnus-image-type-available-p 'xpm)
1316 (gnus-image-type-available-p 'pbm)
1317 (and (not (featurep 'xemacs))
1319 (module-installed-p 'smiley-mule))))
1323 Valid values are nil, t, `head', `last', an integer or a predicate.
1324 See Info node `(gnus)Customizing Articles' and Info node
1325 `(gnus)Smileys' for details."
1326 :group 'gnus-article-treat
1328 :link '(custom-manual "(gnus)Customizing Articles")
1329 :link '(custom-manual "(gnus)Smileys")
1330 :type gnus-article-treat-custom)
1331 (put 'gnus-treat-display-smileys 'highlight t)
1333 (defcustom gnus-treat-from-picon
1334 (if (and (gnus-image-type-available-p 'xpm)
1335 (gnus-picons-installed-p))
1337 "Display picons in the From header.
1338 Valid values are nil, t, `head', `last', an integer or a predicate.
1339 See Info node `(gnus)Customizing Articles' and Info node
1340 `(gnus)Picons' for details."
1342 :group 'gnus-article-treat
1344 :link '(custom-manual "(gnus)Customizing Articles")
1345 :link '(custom-manual "(gnus)Picons")
1346 :type gnus-article-treat-head-custom)
1347 (put 'gnus-treat-from-picon 'highlight t)
1349 (defcustom gnus-treat-mail-picon
1350 (if (and (gnus-image-type-available-p 'xpm)
1351 (gnus-picons-installed-p))
1353 "Display picons in To and Cc headers.
1354 Valid values are nil, t, `head', `last', an integer or a predicate.
1355 See Info node `(gnus)Customizing Articles' and Info node
1356 `(gnus)Picons' for details."
1358 :group 'gnus-article-treat
1360 :link '(custom-manual "(gnus)Customizing Articles")
1361 :link '(custom-manual "(gnus)Picons")
1362 :type gnus-article-treat-head-custom)
1363 (put 'gnus-treat-mail-picon 'highlight t)
1365 (defcustom gnus-treat-newsgroups-picon
1366 (if (and (gnus-image-type-available-p 'xpm)
1367 (gnus-picons-installed-p))
1369 "Display picons in the Newsgroups and Followup-To headers.
1370 Valid values are nil, t, `head', `last', an integer or a predicate.
1371 See Info node `(gnus)Customizing Articles' and Info node
1372 `(gnus)Picons' for details."
1374 :group 'gnus-article-treat
1376 :link '(custom-manual "(gnus)Customizing Articles")
1377 :link '(custom-manual "(gnus)Picons")
1378 :type gnus-article-treat-head-custom)
1379 (put 'gnus-treat-newsgroups-picon 'highlight t)
1381 (defcustom gnus-treat-body-boundary
1382 (if (and (eq window-system 'x)
1383 (or gnus-treat-newsgroups-picon
1384 gnus-treat-mail-picon
1385 gnus-treat-from-picon))
1387 "Draw a boundary at the end of the headers.
1388 Valid values are nil and `head'.
1389 See Info node `(gnus)Customizing Articles' for details."
1391 :group 'gnus-article-treat
1392 :link '(custom-manual "(gnus)Customizing Articles")
1393 :type gnus-article-treat-head-custom)
1395 (defcustom gnus-treat-capitalize-sentences nil
1396 "Capitalize sentence-starting words.
1397 Valid values are nil, t, `head', `last', an integer or a predicate.
1398 See Info node `(gnus)Customizing Articles' for details."
1400 :group 'gnus-article-treat
1401 :link '(custom-manual "(gnus)Customizing Articles")
1402 :type gnus-article-treat-custom)
1404 (defcustom gnus-treat-wash-html nil
1406 Valid values are nil, t, `head', `last', an integer or a predicate.
1407 See Info node `(gnus)Customizing Articles' for details."
1409 :group 'gnus-article-treat
1410 :link '(custom-manual "(gnus)Customizing Articles")
1411 :type gnus-article-treat-custom)
1413 (defcustom gnus-treat-fill-long-lines nil
1415 Valid values are nil, t, `head', `last', an integer or a predicate.
1416 See Info node `(gnus)Customizing Articles' for details."
1417 :group 'gnus-article-treat
1418 :link '(custom-manual "(gnus)Customizing Articles")
1419 :type gnus-article-treat-custom)
1421 (defcustom gnus-treat-play-sounds nil
1423 Valid values are nil, t, `head', `last', an integer or a predicate.
1424 See Info node `(gnus)Customizing Articles' for details."
1426 :group 'gnus-article-treat
1427 :link '(custom-manual "(gnus)Customizing Articles")
1428 :type gnus-article-treat-custom)
1430 (defcustom gnus-treat-decode-article-as-default-mime-charset nil
1431 "Decode an article as `default-mime-charset'. For instance, if you want to
1432 attempt to decode an article even if the value of `gnus-show-mime' is nil,
1433 you could set this variable to something like: nil for don't decode, t for
1434 decode the body, '(or header t) for the whole article, etc."
1435 :group 'gnus-article-treat
1436 :type '(radio (const :tag "Off" nil)
1437 (const :tag "Decode body" t)
1438 (const :tag "Decode all" (or head t))))
1440 (defcustom gnus-treat-translate nil
1441 "Translate articles from one language to another.
1442 Valid values are nil, t, `head', `last', an integer or a predicate.
1443 See Info node `(gnus)Customizing Articles' for details."
1445 :group 'gnus-article-treat
1446 :link '(custom-manual "(gnus)Customizing Articles")
1447 :type gnus-article-treat-custom)
1449 (defcustom gnus-treat-x-pgp-sig nil
1451 To automatically treat X-PGP-Sig, set it to head.
1452 Valid values are nil, t, `head', `last', an integer or a predicate.
1453 See Info node `(gnus)Customizing Articles' for details."
1455 :group 'gnus-article-treat
1456 :group 'mime-security
1457 :type gnus-article-treat-custom)
1459 (defcustom gnus-treat-monafy nil
1460 "Display body part with mona font.
1461 Valid values are nil, t, `head', `last', an integer or a predicate.
1462 See Info node `(gnus)Customizing Articles' for details."
1463 :group 'gnus-article-treat
1464 :group 'mime-security
1465 :link '(custom-manual "(gnus)Customizing Articles")
1466 :type gnus-article-treat-custom)
1468 (defvar gnus-article-encrypt-protocol-alist
1469 '(("PGP" . mml2015-self-encrypt)))
1471 ;; Set to nil if more than one protocol added to
1472 ;; gnus-article-encrypt-protocol-alist.
1473 (defcustom gnus-article-encrypt-protocol "PGP"
1474 "The protocol used for encrypt articles.
1475 It is a string, such as \"PGP\". If nil, ask user."
1478 :group 'mime-security)
1480 (defvar gnus-article-wash-function nil
1481 "Function used for converting HTML into text.")
1483 (defcustom gnus-use-idna (and (condition-case nil (require 'idna) (file-error))
1484 (mm-coding-system-p 'utf-8)
1485 (executable-find idna-program))
1486 "Whether IDNA decoding of headers is used when viewing messages.
1487 This requires GNU Libidn, and by default only enabled if it is found."
1489 :group 'gnus-article-headers
1492 (defcustom gnus-article-over-scroll nil
1493 "If non-nil, allow scrolling the article buffer even when there no more text."
1495 :group 'gnus-article
1498 ;;; Internal variables
1500 (defvar gnus-english-month-names
1501 '("January" "February" "March" "April" "May" "June" "July" "August"
1502 "September" "October" "November" "December"))
1504 (defvar gnus-button-regexp nil)
1505 (defvar gnus-button-marker-list nil)
1506 ;; Regexp matching any of the regexps from `gnus-button-alist'.
1508 (defvar gnus-button-last nil)
1509 ;; The value of `gnus-button-alist' when `gnus-button-regexp' was build.
1511 (defvar article-goto-body-goes-to-point-min-p nil)
1512 (defvar gnus-article-wash-types nil)
1513 (defvar gnus-article-emphasis-alist nil)
1514 (defvar gnus-article-image-alist nil)
1516 (defvar gnus-article-mime-handle-alist-1 nil)
1517 (defvar gnus-treatment-function-alist
1518 '((gnus-treat-decode-article-as-default-mime-charset
1519 gnus-article-decode-article-as-default-mime-charset)
1520 (gnus-treat-x-pgp-sig gnus-article-verify-x-pgp-sig)
1521 (gnus-treat-monafy gnus-article-monafy)
1522 (gnus-treat-strip-banner gnus-article-strip-banner)
1523 (gnus-treat-strip-headers-in-body gnus-article-strip-headers-in-body)
1524 (gnus-treat-buttonize gnus-article-add-buttons)
1525 (gnus-treat-fill-article gnus-article-fill-cited-article)
1526 (gnus-treat-fill-long-lines gnus-article-fill-long-lines)
1527 (gnus-treat-strip-cr gnus-article-remove-cr)
1528 (gnus-treat-unsplit-urls gnus-article-unsplit-urls)
1529 (gnus-treat-date-ut gnus-article-date-ut)
1530 (gnus-treat-date-local gnus-article-date-local)
1531 (gnus-treat-date-english gnus-article-date-english)
1532 (gnus-treat-date-lapsed gnus-article-date-lapsed)
1533 (gnus-treat-date-original gnus-article-date-original)
1534 (gnus-treat-date-user-defined gnus-article-date-user)
1535 (gnus-treat-date-iso8601 gnus-article-date-iso8601)
1536 (gnus-treat-display-face gnus-article-display-face)
1537 (gnus-treat-hide-headers gnus-article-maybe-hide-headers)
1538 (gnus-treat-hide-boring-headers gnus-article-hide-boring-headers)
1539 (gnus-treat-hide-signature gnus-article-hide-signature)
1540 (gnus-treat-strip-list-identifiers gnus-article-hide-list-identifiers)
1541 (gnus-treat-leading-whitespace gnus-article-remove-leading-whitespace)
1542 (gnus-treat-strip-pem gnus-article-hide-pem)
1543 (gnus-treat-from-picon gnus-treat-from-picon)
1544 (gnus-treat-mail-picon gnus-treat-mail-picon)
1545 (gnus-treat-newsgroups-picon gnus-treat-newsgroups-picon)
1546 (gnus-treat-highlight-headers gnus-article-highlight-headers)
1547 (gnus-treat-highlight-signature gnus-article-highlight-signature)
1548 (gnus-treat-strip-trailing-blank-lines
1549 gnus-article-remove-trailing-blank-lines)
1550 (gnus-treat-strip-leading-blank-lines
1551 gnus-article-strip-leading-blank-lines)
1552 (gnus-treat-strip-multiple-blank-lines
1553 gnus-article-strip-multiple-blank-lines)
1554 (gnus-treat-overstrike gnus-article-treat-overstrike)
1555 (gnus-treat-ansi-sequences gnus-article-treat-ansi-sequences)
1556 (gnus-treat-unfold-headers gnus-article-treat-unfold-headers)
1557 (gnus-treat-fold-headers gnus-article-treat-fold-headers)
1558 ;; Displaying X-Face should be done after unfolding headers
1559 ;; to protect bitmap lines.
1560 (gnus-treat-display-x-face gnus-article-display-x-face)
1561 (gnus-treat-fold-newsgroups gnus-article-treat-fold-newsgroups)
1562 (gnus-treat-buttonize-head gnus-article-add-buttons-to-head)
1563 (gnus-treat-display-smileys gnus-treat-smiley)
1564 (gnus-treat-capitalize-sentences gnus-article-capitalize-sentences)
1565 (gnus-treat-wash-html gnus-article-wash-html)
1566 (gnus-treat-emphasize gnus-article-emphasize)
1567 (gnus-treat-hide-citation gnus-article-hide-citation)
1568 (gnus-treat-hide-citation-maybe gnus-article-hide-citation-maybe)
1569 (gnus-treat-highlight-citation gnus-article-highlight-citation)
1570 (gnus-treat-body-boundary gnus-article-treat-body-boundary)
1571 (gnus-treat-play-sounds gnus-earcon-display)))
1573 (defvar gnus-article-mime-handle-alist nil)
1574 (defvar article-lapsed-timer nil)
1575 (defvar gnus-article-current-summary nil)
1577 (defvar gnus-article-mode-syntax-table
1578 (let ((table (copy-syntax-table text-mode-syntax-table)))
1579 ;; This causes the citation match run O(2^n).
1580 ;; (modify-syntax-entry ?- "w" table)
1581 (modify-syntax-entry ?> ")<" table)
1582 (modify-syntax-entry ?< "(>" table)
1583 ;; make M-. in article buffers work for `foo' strings
1584 (modify-syntax-entry ?' " " table)
1585 (modify-syntax-entry ?` " " table)
1587 "Syntax table used in article mode buffers.
1588 Initialized from `text-mode-syntax-table.")
1590 (defvar gnus-save-article-buffer nil)
1592 (defvar gnus-article-mode-line-format-alist
1593 (nconc '((?w (gnus-article-wash-status) ?s)
1594 (?m (gnus-article-mime-part-status) ?s))
1595 gnus-summary-mode-line-format-alist))
1597 (defvar gnus-number-of-articles-to-be-saved nil)
1599 (defvar gnus-inhibit-hiding nil)
1601 (defvar gnus-article-edit-mode nil)
1603 ;;; Macros for dealing with the article buffer.
1605 (defmacro gnus-with-article-headers (&rest forms)
1607 (set-buffer gnus-article-buffer)
1609 (let ((inhibit-read-only t)
1610 (inhibit-point-motion-hooks t)
1611 (case-fold-search t))
1612 (article-narrow-to-head)
1615 (put 'gnus-with-article-headers 'lisp-indent-function 0)
1616 (put 'gnus-with-article-headers 'edebug-form-spec '(body))
1618 (defmacro gnus-with-article-buffer (&rest forms)
1620 (set-buffer gnus-article-buffer)
1621 (let ((inhibit-read-only t))
1624 (put 'gnus-with-article-buffer 'lisp-indent-function 0)
1625 (put 'gnus-with-article-buffer 'edebug-form-spec '(body))
1627 (defun gnus-article-goto-header (header)
1628 "Go to HEADER, which is a regular expression."
1629 (re-search-forward (concat "^\\(" header "\\):") nil t))
1631 (defsubst gnus-article-hide-text (b e props)
1632 "Set text PROPS on the B to E region, extending `intangible' 1 past B."
1633 (gnus-add-text-properties-when 'article-type nil b e props)
1634 (when (memq 'intangible props)
1636 (max (1- b) (point-min))
1637 b 'intangible (cddr (memq 'intangible props)))))
1639 (defsubst gnus-article-unhide-text (b e)
1640 "Remove hidden text properties from region between B and E."
1641 (remove-text-properties b e gnus-hidden-properties)
1642 (when (memq 'intangible gnus-hidden-properties)
1643 (put-text-property (max (1- b) (point-min))
1644 b 'intangible nil)))
1646 (defun gnus-article-hide-text-type (b e type)
1647 "Hide text of TYPE between B and E."
1648 (gnus-add-wash-type type)
1649 (gnus-article-hide-text
1650 b e (cons 'article-type (cons type gnus-hidden-properties))))
1652 (defun gnus-article-unhide-text-type (b e type)
1653 "Unhide text of TYPE between B and E."
1654 (gnus-delete-wash-type type)
1655 (remove-text-properties
1656 b e (cons 'article-type (cons type gnus-hidden-properties)))
1657 (when (memq 'intangible gnus-hidden-properties)
1658 (put-text-property (max (1- b) (point-min))
1659 b 'intangible nil)))
1661 (defun gnus-article-hide-text-of-type (type)
1662 "Hide text of TYPE in the current buffer."
1664 (let ((b (point-min))
1666 (while (setq b (text-property-any b e 'article-type type))
1667 (add-text-properties b (incf b) gnus-hidden-properties)))))
1669 (defun gnus-article-delete-text-of-type (type)
1670 "Delete text of TYPE in the current buffer."
1672 (let ((b (point-min)))
1673 (while (setq b (text-property-any b (point-max) 'article-type type))
1675 b (or (text-property-not-all b (point-max) 'article-type type)
1678 (defun gnus-article-delete-invisible-text ()
1679 "Delete all invisible text in the current buffer."
1681 (let ((b (point-min)))
1682 (while (setq b (text-property-any b (point-max) 'invisible t))
1684 b (or (text-property-not-all b (point-max) 'invisible t)
1687 (defun gnus-article-text-type-exists-p (type)
1688 "Say whether any text of type TYPE exists in the buffer."
1689 (text-property-any (point-min) (point-max) 'article-type type))
1691 (defsubst gnus-article-header-rank ()
1692 "Give the rank of the string HEADER as given by `gnus-sorted-header-list'."
1693 (let ((list gnus-sorted-header-list)
1696 (if (looking-at (car list))
1698 (setq list (cdr list))
1702 (defun article-hide-headers (&optional arg delete)
1703 "Hide unwanted headers and possibly sort them as well."
1704 (interactive (gnus-article-hidden-arg))
1705 ;; Lars said that this function might be inhibited.
1706 (if (gnus-article-check-hidden-text 'headers arg)
1708 ;; Show boring headers as well.
1709 (gnus-article-show-hidden-text 'boring-headers)
1710 (when (eq 1 (point-min))
1711 (set-window-start (get-buffer-window (current-buffer)) 1)))
1712 (unless gnus-inhibit-hiding
1713 (let ((inhibit-read-only t)
1714 (case-fold-search t)
1715 (max (1+ (length gnus-sorted-header-list)))
1716 (inhibit-point-motion-hooks t)
1717 (cur (current-buffer))
1718 ignored visible beg)
1720 ;; `gnus-ignored-headers' and `gnus-visible-headers' may be
1721 ;; group parameters, so we should go to the summary buffer.
1724 (progn (set-buffer gnus-summary-buffer) t)
1726 (setq ignored (when (not gnus-visible-headers)
1727 (cond ((stringp gnus-ignored-headers)
1728 gnus-ignored-headers)
1729 ((listp gnus-ignored-headers)
1730 (mapconcat 'identity
1731 gnus-ignored-headers
1733 visible (cond ((stringp gnus-visible-headers)
1734 gnus-visible-headers)
1735 ((and gnus-visible-headers
1736 (listp gnus-visible-headers))
1737 (mapconcat 'identity
1738 gnus-visible-headers
1742 ;; First we narrow to just the headers.
1743 (article-narrow-to-head)
1744 ;; Hide any "From " lines at the beginning of (mail) articles.
1745 (while (looking-at "From ")
1749 (delete-region (point-min) (point))
1750 (gnus-article-hide-text (point-min) (point)
1751 (nconc (list 'article-type 'headers)
1752 gnus-hidden-properties))))
1753 ;; Then treat the rest of the header lines.
1754 ;; Then we use the two regular expressions
1755 ;; `gnus-ignored-headers' and `gnus-visible-headers' to
1756 ;; select which header lines is to remain visible in the
1758 (while (re-search-forward "^[^ \t:]*:" nil t)
1760 ;; Mark the rank of the header.
1762 (point) (1+ (point)) 'message-rank
1763 (if (or (and visible (looking-at visible))
1765 (not (looking-at ignored))))
1766 (gnus-article-header-rank)
1769 (message-sort-headers-1)
1770 (when (setq beg (text-property-any
1771 (point-min) (point-max) 'message-rank (+ 2 max)))
1772 ;; We delete or make invisible the unwanted headers.
1773 (gnus-add-wash-type 'headers)
1776 (add-text-properties
1777 (point-min) (+ 5 (point-min))
1778 '(article-type headers dummy-invisible t))
1779 (delete-region beg (point-max)))
1780 (gnus-article-hide-text-type beg (point-max) 'headers)))))))))
1782 (defun article-hide-boring-headers (&optional arg)
1783 "Toggle hiding of headers that aren't very interesting.
1784 If given a negative prefix, always show; if given a positive prefix,
1786 (interactive (gnus-article-hidden-arg))
1787 (when (and (not (gnus-article-check-hidden-text 'boring-headers arg))
1788 (not gnus-show-all-headers))
1791 (let ((inhibit-read-only t)
1792 (inhibit-point-motion-hooks t))
1793 (article-narrow-to-head)
1794 (dolist (elem gnus-boring-article-headers)
1795 (goto-char (point-min))
1797 ;; Hide empty headers.
1799 (while (re-search-forward "^[^: \t]+:[ \t]*\n[^ \t]" nil t)
1801 (gnus-article-hide-text-type
1805 (if (re-search-forward "^[^ \t]" nil t)
1809 ;; Hide boring Newsgroups header.
1810 ((eq elem 'newsgroups)
1811 (when (gnus-string-equal
1812 (gnus-fetch-field "newsgroups")
1813 (gnus-group-real-name
1814 (if (boundp 'gnus-newsgroup-name)
1817 (gnus-article-hide-header "newsgroups")))
1818 ((eq elem 'to-address)
1819 (let ((to (message-fetch-field "to"))
1821 (gnus-parameter-to-address
1822 (if (boundp 'gnus-newsgroup-name)
1823 gnus-newsgroup-name ""))))
1824 (when (and to to-address
1827 ;; only one address in To
1828 (nth 1 (mail-extract-address-components to))
1830 (gnus-article-hide-header "to"))))
1832 (let ((to (message-fetch-field "to"))
1834 (gnus-parameter-to-list
1835 (if (boundp 'gnus-newsgroup-name)
1836 gnus-newsgroup-name ""))))
1837 (when (and to to-list
1840 ;; only one address in To
1841 (nth 1 (mail-extract-address-components to))
1843 (gnus-article-hide-header "to"))))
1845 (let ((cc (message-fetch-field "cc"))
1847 (gnus-parameter-to-list
1848 (if (boundp 'gnus-newsgroup-name)
1849 gnus-newsgroup-name ""))))
1850 (when (and cc to-list
1853 ;; only one address in CC
1854 (nth 1 (mail-extract-address-components cc))
1856 (gnus-article-hide-header "cc"))))
1857 ((eq elem 'followup-to)
1858 (when (gnus-string-equal
1859 (message-fetch-field "followup-to")
1860 (message-fetch-field "newsgroups"))
1861 (gnus-article-hide-header "followup-to")))
1862 ((eq elem 'reply-to)
1863 (if (gnus-group-find-parameter
1864 gnus-newsgroup-name 'broken-reply-to)
1865 (gnus-article-hide-header "reply-to")
1866 (let ((from (message-fetch-field "from"))
1867 (reply-to (message-fetch-field "reply-to")))
1874 (lambda (x) (downcase (cadr x)))
1875 (mail-extract-address-components from t))
1878 (lambda (x) (downcase (cadr x)))
1879 (mail-extract-address-components reply-to t))
1881 (gnus-article-hide-header "reply-to")))))
1883 (let ((date (message-fetch-field "date")))
1885 (< (days-between (current-time-string) date)
1887 (gnus-article-hide-header "date"))))
1889 (let ((to (message-fetch-field "to"))
1890 (cc (message-fetch-field "cc")))
1891 (when (> (length to) 1024)
1892 (gnus-article-hide-header "to"))
1893 (when (> (length cc) 1024)
1894 (gnus-article-hide-header "cc"))))
1898 (goto-char (point-min))
1899 (while (re-search-forward "^to:" nil t)
1900 (setq to-count (1+ to-count)))
1901 (when (> to-count 1)
1902 (while (> to-count 0)
1903 (goto-char (point-min))
1905 (re-search-forward "^to:" nil nil to-count)
1907 (narrow-to-region (point) (point-max))
1908 (gnus-article-hide-header "to"))
1909 (setq to-count (1- to-count))))
1910 (goto-char (point-min))
1911 (while (re-search-forward "^cc:" nil t)
1912 (setq cc-count (1+ cc-count)))
1913 (when (> cc-count 1)
1914 (while (> cc-count 0)
1915 (goto-char (point-min))
1917 (re-search-forward "^cc:" nil nil cc-count)
1919 (narrow-to-region (point) (point-max))
1920 (gnus-article-hide-header "cc"))
1921 (setq cc-count (1- cc-count)))))))))))))
1923 (defun gnus-article-hide-header (header)
1925 (goto-char (point-min))
1926 (when (re-search-forward (concat "^" header ":") nil t)
1927 (gnus-article-hide-text-type
1931 (if (re-search-forward "^[^ \t]" nil t)
1936 (defvar gnus-article-normalized-header-length 40
1937 "Length of normalized headers.")
1939 (defun article-normalize-headers ()
1940 "Make all header lines 40 characters long."
1942 (let ((inhibit-read-only t)
1946 (article-narrow-to-head)
1949 ((< (setq column (- (point-at-eol) (point)))
1950 gnus-article-normalized-header-length)
1952 (insert (make-string
1953 (- gnus-article-normalized-header-length column)
1955 ((> column gnus-article-normalized-header-length)
1956 (gnus-put-text-property
1958 (forward-char gnus-article-normalized-header-length)
1965 (forward-line 1))))))
1967 (defun article-treat-dumbquotes ()
1968 "Translate M****s*** sm*rtq**t*s and other symbols into proper text.
1969 Note that this function guesses whether a character is a sm*rtq**t* or
1970 not, so it should only be used interactively.
1972 Sm*rtq**t*s are M****s***'s unilateral extension to the
1973 iso-8859-1 character map in an attempt to provide more quoting
1974 characters. If you see something like \\222 or \\264 where
1975 you're expecting some kind of apostrophe or quotation mark, then
1978 (article-translate-strings gnus-article-dumbquotes-map))
1980 (defun article-translate-characters (from to)
1981 "Translate all characters in the body of the article according to FROM and TO.
1982 FROM is a string of characters to translate from; to is a string of
1983 characters to translate to."
1985 (when (article-goto-body)
1986 (let ((inhibit-read-only t)
1987 (x (make-string 225 ?x))
1989 (while (< (incf i) (length x))
1992 (while (< i (length from))
1993 (aset x (aref from i) (aref to i))
1995 (translate-region (point) (point-max) x)))))
1997 (defun article-translate-strings (map)
1998 "Translate all string in the body of the article according to MAP.
1999 MAP is an alist where the elements are on the form (\"from\" \"to\")."
2001 (when (article-goto-body)
2002 (let ((inhibit-read-only t))
2005 (while (search-forward (car elem) nil t)
2006 (replace-match (cadr elem)))))))))
2008 (defun article-treat-overstrike ()
2009 "Translate overstrikes into bold text."
2012 (when (article-goto-body)
2013 (let ((inhibit-read-only t))
2014 (while (search-forward "\b" nil t)
2015 (let ((next (char-after))
2019 previous (char-after))
2023 ;; We do the boldification/underlining by hiding the
2024 ;; overstrikes and putting the proper text property
2028 (gnus-article-hide-text-type start (point) 'overstrike)
2029 (put-text-property (point) end 'face 'bold))
2031 (gnus-article-hide-text-type
2032 (1- (point)) (1+ (point)) 'overstrike)
2034 start (1- (point)) 'face 'underline))
2036 (gnus-article-hide-text-type start (point) 'overstrike)
2038 (point) end 'face 'underline)))))))))
2040 (defun article-treat-ansi-sequences ()
2041 "Translate ANSI SGR control sequences into overlays or extents."
2044 (when (article-goto-body)
2045 (let ((inhibit-read-only t))
2046 (ansi-color-apply-on-region (point) (point-max))))))
2048 (defun gnus-article-treat-unfold-headers ()
2049 "Unfold folded message headers.
2050 Only the headers that fit into the current window width will be
2053 (gnus-with-article-headers
2057 (mail-header-narrow-to-field)
2058 (let ((header (buffer-string)))
2061 (goto-char (point-min))
2062 (while (re-search-forward "\n[\t ]" nil t)
2063 (replace-match " " t t)))
2064 (setq length (- (point-max) (point-min) 1)))
2065 (when (< length (window-width))
2066 (while (re-search-forward "\n[\t ]" nil t)
2067 (replace-match " " t t)))
2068 (goto-char (point-max)))))))
2070 (defun gnus-article-treat-fold-headers ()
2071 "Fold message headers."
2073 (gnus-with-article-headers
2076 (mail-header-narrow-to-field)
2077 (mail-header-fold-field)
2078 (goto-char (point-max))))))
2080 (defun gnus-treat-smiley ()
2081 "Toggle display of textual emoticons (\"smileys\") as small graphical icons."
2083 (unless (featurep 'xemacs)
2084 (when (and (not gnus-article-should-use-smiley-mule)
2085 gnus-article-smiley-mule-loaded-p)
2086 (load "smiley" nil t)
2087 (setq gnus-article-smiley-mule-loaded-p nil))
2088 (when (and gnus-article-should-use-smiley-mule
2089 (not gnus-article-smiley-mule-loaded-p))
2090 (load "smiley-mule" nil t)
2091 (setq gnus-article-smiley-mule-loaded-p t)))
2092 (gnus-with-article-buffer
2093 (if (memq 'smiley gnus-article-wash-types)
2094 (gnus-delete-images 'smiley)
2096 (let ((images (smiley-region (point) (point-max))))
2098 (gnus-add-wash-type 'smiley)
2099 (dolist (image images)
2100 (gnus-add-image 'smiley image)))))))
2102 (defun gnus-article-remove-images ()
2103 "Remove all images from the article buffer."
2105 (gnus-with-article-buffer
2106 (dolist (elem gnus-article-image-alist)
2107 (gnus-delete-images (car elem)))))
2109 (defun gnus-article-treat-fold-newsgroups ()
2110 "Unfold folded message headers.
2111 Only the headers that fit into the current window width will be
2114 (gnus-with-article-headers
2115 (while (gnus-article-goto-header "newsgroups\\|followup-to")
2117 (mail-header-narrow-to-field)
2118 (while (re-search-forward ", *" nil t)
2119 (replace-match ", " t t))
2120 (mail-header-fold-field)
2121 (goto-char (point-max))))))
2123 (defun gnus-article-treat-body-boundary ()
2124 "Place a boundary line at the end of the headers."
2126 (when (and gnus-body-boundary-delimiter
2127 (> (length gnus-body-boundary-delimiter) 0))
2128 (gnus-with-article-headers
2129 (goto-char (point-max))
2130 (let ((start (point)))
2131 (insert "X-Boundary: ")
2132 (gnus-add-text-properties start (point) '(invisible t intangible t))
2134 (while (>= (1- (window-width)) (length str))
2135 (setq str (concat str gnus-body-boundary-delimiter)))
2136 (substring str 0 (1- (window-width))))
2138 (gnus-put-text-property start (point) 'gnus-decoration 'header)))))
2140 (defun article-fill-long-lines ()
2141 "Fill lines that are wider than the window width."
2144 (let ((inhibit-read-only t)
2145 (width (window-width (get-buffer-window (current-buffer)))))
2148 (let ((adaptive-fill-mode nil)) ;Why? -sm
2151 (when (>= (current-column) (min fill-column width))
2152 (narrow-to-region (min (1+ (point)) (point-max))
2154 (let ((goback (point-marker)))
2155 (fill-paragraph nil)
2156 (goto-char (marker-position goback)))
2158 (forward-line 1)))))))
2160 (defun article-capitalize-sentences ()
2161 "Capitalize the first word in each sentence."
2164 (let ((inhibit-read-only t)
2165 (paragraph-start "^[\n\^L]"))
2169 (forward-sentence)))))
2171 (defun article-remove-cr ()
2172 "Remove trailing CRs and then translate remaining CRs into LFs."
2175 (let ((inhibit-read-only t))
2176 (goto-char (point-min))
2177 (while (re-search-forward "\r+$" nil t)
2178 (replace-match "" t t))
2179 (goto-char (point-min))
2180 (while (search-forward "\r" nil t)
2181 (replace-match "\n" t t)))))
2183 (defun article-remove-trailing-blank-lines ()
2184 "Remove all trailing blank lines from the article."
2187 (let ((inhibit-read-only t))
2188 (goto-char (point-max))
2192 (while (and (not (bobp))
2193 (looking-at "^[ \t]*$")
2194 (not (gnus-annotation-in-region-p
2195 (point) (point-at-eol))))
2201 (defvar gnus-face-properties-alist))
2203 (defun article-display-face ()
2204 "Display any Face headers in the header."
2206 (let ((wash-face-p buffer-read-only))
2207 (gnus-with-article-headers
2208 ;; When displaying parts, this function can be called several times on
2209 ;; the same article, without any intended toggle semantic (as typing `W
2210 ;; D d' would have). So face deletion must occur only when we come from
2211 ;; an interactive command, that is when the *Article* buffer is
2213 (if (and wash-face-p (memq 'face gnus-article-wash-types))
2214 (gnus-delete-images 'face)
2217 (when (and wash-face-p
2219 (goto-char (point-min))
2220 (not (re-search-forward "^Face:[\t ]*" nil t)))
2221 (gnus-buffer-live-p gnus-original-article-buffer))
2222 (set-buffer gnus-original-article-buffer))
2224 (mail-narrow-to-head)
2225 (while (gnus-article-goto-header "Face")
2226 (setq faces (nconc faces (list (mail-header-field-value)))))))
2227 (dolist (face faces)
2228 (let ((png (gnus-convert-face-to-png face))
2232 (apply 'gnus-create-image png 'png t
2233 (cdr (assq 'png gnus-face-properties-alist))))
2234 (gnus-article-goto-header "from")
2236 (insert "From: [no `from' set]\n")
2238 (gnus-add-wash-type 'face)
2239 (gnus-add-image 'face image)
2240 (gnus-put-image image nil 'face))))))
2243 (defun article-display-x-face (&optional force)
2244 "Look for an X-Face header and display it if present."
2245 (interactive (list 'force))
2246 (let ((wash-face-p buffer-read-only)) ;; When type `W f'
2247 (gnus-with-article-headers
2248 ;; Delete the old process, if any.
2249 (when (process-status "article-x-face")
2250 (delete-process "article-x-face"))
2251 ;; See the comment in `article-display-face'.
2252 (if (and wash-face-p (memq 'xface gnus-article-wash-types))
2253 ;; We have already displayed X-Faces, so we remove them
2255 (gnus-delete-images 'xface)
2257 (let (x-faces from face)
2259 (when (and wash-face-p
2261 (goto-char (point-min))
2262 (not (re-search-forward
2263 "^X-Face\\(-[0-9]+\\)?:[\t ]*" nil t)))
2264 (gnus-buffer-live-p gnus-original-article-buffer))
2265 ;; If type `W f', use gnus-original-article-buffer,
2266 ;; otherwise use the current buffer because displaying
2267 ;; RFC822 parts calls this function too.
2268 (set-buffer gnus-original-article-buffer))
2270 (mail-narrow-to-head)
2271 (while (gnus-article-goto-header "X-Face")
2272 (push (mail-header-field-value) x-faces))
2273 (setq from (message-fetch-field "from"))))
2274 ;; Sending multiple EOFs to xv doesn't work, so we only do a
2275 ;; single external face.
2276 (when (stringp gnus-article-x-face-command)
2277 (setq x-faces (list (car x-faces))))
2278 (while (and (setq face (pop x-faces))
2279 gnus-article-x-face-command
2281 ;; Check whether this face is censored.
2282 (not gnus-article-x-face-too-ugly)
2283 (and gnus-article-x-face-too-ugly from
2284 (not (string-match gnus-article-x-face-too-ugly
2286 ;; We display the face.
2287 (cond ((stringp gnus-article-x-face-command)
2288 ;; The command is a string, so we interpret the command
2289 ;; as a, well, command, and fork it off.
2290 (let ((process-connection-type nil))
2291 (process-kill-without-query
2293 "article-x-face" nil shell-file-name
2294 shell-command-switch gnus-article-x-face-command))
2297 (process-send-region "article-x-face"
2298 (point-min) (point-max)))
2299 (process-send-eof "article-x-face")))
2300 ((functionp gnus-article-x-face-command)
2301 ;; The command is a lisp function, so we call it.
2302 (funcall gnus-article-x-face-command face))
2304 (error "%s is not a function"
2305 gnus-article-x-face-command)))))))))
2307 (defun article-decode-mime-words ()
2308 "Decode all MIME-encoded words in the article."
2310 (gnus-with-article-buffer
2311 (let ((inhibit-point-motion-hooks t)
2312 (mail-parse-charset gnus-newsgroup-charset)
2313 (mail-parse-ignored-charsets
2314 (with-current-buffer gnus-summary-buffer
2315 gnus-newsgroup-ignored-charsets)))
2316 (mail-decode-encoded-word-region (point-min) (point-max)))))
2318 (defun article-decode-charset (&optional prompt)
2319 "Decode charset-encoded text in the article.
2320 If PROMPT (the prefix), prompt for a coding system to use."
2322 (let ((inhibit-point-motion-hooks t) (case-fold-search t)
2323 (inhibit-read-only t)
2324 (mail-parse-charset gnus-newsgroup-charset)
2325 (mail-parse-ignored-charsets
2326 (save-excursion (condition-case nil
2327 (set-buffer gnus-summary-buffer)
2329 gnus-newsgroup-ignored-charsets))
2330 ct cte ctl charset format)
2333 (article-narrow-to-head)
2334 (setq ct (message-fetch-field "Content-Type" t)
2335 cte (message-fetch-field "Content-Transfer-Encoding" t)
2336 ctl (and ct (ignore-errors
2337 (mail-header-parse-content-type ct)))
2340 (mm-read-coding-system "Charset to decode: "))
2342 (mail-content-type-get ctl 'charset)))
2343 format (and ctl (mail-content-type-get ctl 'format)))
2345 (setq cte (mail-header-strip cte)))
2346 (if (and ctl (not (string-match "/" (car ctl))))
2348 (goto-char (point-max)))
2351 (narrow-to-region (point) (point-max))
2352 (when (and (eq mail-parse-charset 'gnus-decoded)
2353 (eq (mm-body-7-or-8) '8bit))
2354 ;; The text code could have been decoded.
2355 (setq charset mail-parse-charset))
2356 (when (and (or (not ctl)
2357 (equal (car ctl) "text/plain"))
2358 (not format)) ;; article with format will decode later.
2360 charset (and cte (intern (downcase
2361 (gnus-strip-whitespace cte))))
2364 (defun article-decode-encoded-words ()
2365 "Remove encoded-word encoding from headers."
2366 (let ((charset (save-excursion
2367 (set-buffer gnus-summary-buffer)
2368 default-mime-charset))
2369 (inhibit-read-only t))
2370 (mime-decode-header-in-buffer charset)))
2372 (defun article-decode-group-name ()
2373 "Decode group names in `Newsgroups:'."
2374 (let ((inhibit-point-motion-hooks t)
2375 (inhibit-read-only t)
2376 (method (gnus-find-method-for-group gnus-newsgroup-name)))
2377 (when (and (or gnus-group-name-charset-method-alist
2378 gnus-group-name-charset-group-alist)
2379 (gnus-buffer-live-p gnus-original-article-buffer))
2381 (article-narrow-to-head)
2382 (with-current-buffer gnus-original-article-buffer
2383 (goto-char (point-min)))
2384 (while (re-search-forward
2385 "^Newsgroups:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]" nil t)
2386 (replace-match (save-match-data
2387 (gnus-decode-newsgroups
2388 ;; XXX how to use data in article buffer?
2389 (with-current-buffer gnus-original-article-buffer
2391 "^Newsgroups:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]"
2394 gnus-newsgroup-name method))
2396 (goto-char (point-min))
2397 (with-current-buffer gnus-original-article-buffer
2398 (goto-char (point-min)))
2399 (while (re-search-forward
2400 "^Followup-To:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]" nil t)
2401 (replace-match (save-match-data
2402 (gnus-decode-newsgroups
2403 ;; XXX how to use data in article buffer?
2404 (with-current-buffer gnus-original-article-buffer
2406 "^Followup-To:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]"
2409 gnus-newsgroup-name method))
2412 (autoload 'idna-to-unicode "idna")
2414 (defun article-decode-idna-rhs ()
2415 "Decode IDNA strings in RHS in From:, To: and Cc: headers in current buffer."
2418 (let ((inhibit-point-motion-hooks t)
2419 (inhibit-read-only t))
2420 (article-narrow-to-head)
2421 (goto-char (point-min))
2422 (while (re-search-forward "@.*\\(xn--[-A-Za-z0-9.]*\\)[ \t\n\r,>]" nil t)
2424 (when (save-match-data
2425 (and (setq ace (match-string 1))
2427 (and (re-search-backward "^[^ \t]" nil t)
2428 (looking-at "From\\|To\\|Cc")))
2429 (setq unicode (idna-to-unicode ace))))
2430 (unless (string= ace unicode)
2431 (replace-match unicode nil nil nil 1)))))))))
2433 (defun article-de-quoted-unreadable (&optional force read-charset)
2434 "Translate a quoted-printable-encoded article.
2435 If FORCE, decode the article whether it is marked as quoted-printable
2437 If READ-CHARSET, ask for a coding system."
2438 (interactive (list 'force current-prefix-arg))
2440 (let ((inhibit-read-only t) type charset)
2441 (if (gnus-buffer-live-p gnus-original-article-buffer)
2442 (with-current-buffer gnus-original-article-buffer
2444 (gnus-fetch-field "content-transfer-encoding"))
2445 (let* ((ct (gnus-fetch-field "content-type"))
2448 (mail-header-parse-content-type ct)))))
2449 (setq charset (and ctl
2450 (mail-content-type-get ctl 'charset)))
2451 (if (stringp charset)
2452 (setq charset (intern (downcase charset)))))))
2454 (setq charset (mm-read-coding-system "Charset: " charset)))
2456 (setq charset gnus-newsgroup-charset))
2458 (and type (let ((case-fold-search t))
2459 (string-match "quoted-printable" type))))
2461 (quoted-printable-decode-region
2462 (point) (point-max) (mm-charset-to-coding-system charset))))))
2464 (defun article-de-base64-unreadable (&optional force read-charset)
2465 "Translate a base64 article.
2466 If FORCE, decode the article whether it is marked as base64 not.
2467 If READ-CHARSET, ask for a coding system."
2468 (interactive (list 'force current-prefix-arg))
2470 (let ((inhibit-read-only t) type charset)
2471 (if (gnus-buffer-live-p gnus-original-article-buffer)
2472 (with-current-buffer gnus-original-article-buffer
2474 (gnus-fetch-field "content-transfer-encoding"))
2475 (let* ((ct (gnus-fetch-field "content-type"))
2478 (mail-header-parse-content-type ct)))))
2479 (setq charset (and ctl
2480 (mail-content-type-get ctl 'charset)))
2481 (if (stringp charset)
2482 (setq charset (intern (downcase charset)))))))
2484 (setq charset (mm-read-coding-system "Charset: " charset)))
2486 (setq charset gnus-newsgroup-charset))
2488 (and type (let ((case-fold-search t))
2489 (string-match "base64" type))))
2492 (narrow-to-region (point) (point-max))
2493 (base64-decode-region (point-min) (point-max))
2494 (mm-decode-coding-region
2495 (point-min) (point-max) (mm-charset-to-coding-system charset)))))))
2500 (defun article-decode-HZ ()
2501 "Translate a HZ-encoded article."
2505 (let ((inhibit-read-only t))
2506 (rfc1843-decode-region (point-min) (point-max)))))
2508 (defun article-unsplit-urls ()
2509 "Remove the newlines that some other mailers insert into URLs."
2512 (let ((inhibit-read-only t))
2513 (goto-char (point-min))
2514 (while (re-search-forward
2515 "^\\(\\(https?\\|ftp\\)://\\S-+\\) *\n\\(\\S-+\\)" nil t)
2516 (replace-match "\\1\\3" t)))
2517 (when (interactive-p)
2518 (gnus-treat-article nil))))
2521 (defun article-wash-html (&optional read-charset)
2522 "Format an HTML article.
2523 If READ-CHARSET, ask for a coding system."
2526 (let ((inhibit-read-only t)
2528 (when (gnus-buffer-live-p gnus-original-article-buffer)
2529 (with-current-buffer gnus-original-article-buffer
2530 (let* ((ct (gnus-fetch-field "content-type"))
2533 (mail-header-parse-content-type ct)))))
2534 (setq charset (and ctl
2535 (mail-content-type-get ctl 'charset)))
2536 (when (stringp charset)
2537 (setq charset (intern (downcase charset)))))))
2539 (setq charset (mm-read-coding-system "Charset: " charset)))
2541 (setq charset gnus-newsgroup-charset))
2543 (save-window-excursion
2545 (narrow-to-region (point) (point-max))
2546 (let* ((func (or gnus-article-wash-function mm-text-html-renderer))
2547 (entry (assq func mm-text-html-washer-alist)))
2549 (setq func (cdr entry)))
2554 (apply (car func) (cdr func))))))))))
2556 (defun gnus-article-wash-html-with-w3 ()
2557 "Wash the current buffer with w3."
2559 (let ((w3-strict-width (window-width))
2560 (url-standalone-mode t)
2561 (url-gateway-unplugged t)
2562 (w3-honor-stylesheets nil))
2564 (w3-region (point-min) (point-max))
2567 (defun gnus-article-wash-html-with-w3m ()
2568 "Wash the current buffer with emacs-w3m."
2571 (narrow-to-region (point) (point-max))
2572 (let ((w3m-safe-url-regexp mm-w3m-safe-url-regexp)
2573 w3m-force-redisplay)
2574 (w3m-region (point-min) (point-max)))
2575 (when (and mm-inline-text-html-with-w3m-keymap
2576 (boundp 'w3m-minor-mode-map)
2578 (add-text-properties
2579 (point-min) (point-max)
2580 (list 'keymap w3m-minor-mode-map
2581 ;; Put the mark meaning this part was rendered by emacs-w3m.
2582 'mm-inline-text-html-with-w3m t)))))
2584 (defun article-hide-list-identifiers ()
2585 "Remove list identifies from the Subject header.
2586 The `gnus-list-identifiers' variable specifies what to do."
2588 (let ((inhibit-point-motion-hooks t)
2589 (regexp (if (consp gnus-list-identifiers)
2590 (mapconcat 'identity gnus-list-identifiers " *\\|")
2591 gnus-list-identifiers))
2592 (inhibit-read-only t))
2596 (article-narrow-to-head)
2597 (goto-char (point-min))
2598 (while (re-search-forward
2599 (concat "^Subject: +\\(R[Ee]: +\\)*\\(" regexp " *\\)")
2601 (delete-region (match-beginning 2) (match-end 0))
2602 (beginning-of-line))
2603 (when (re-search-forward
2604 "^Subject: +\\(\\(R[Ee]: +\\)+\\)R[Ee]: +" nil t)
2605 (delete-region (match-beginning 1) (match-end 1))))))))
2607 (defun article-hide-pem (&optional arg)
2608 "Toggle hiding of any PEM headers and signatures in the current article.
2609 If given a negative prefix, always show; if given a positive prefix,
2611 (interactive (gnus-article-hidden-arg))
2612 (unless (gnus-article-check-hidden-text 'pem arg)
2614 (let ((inhibit-read-only t) end)
2615 (goto-char (point-min))
2616 ;; Hide the horrendously ugly "header".
2617 (when (and (search-forward
2618 "\n-----BEGIN PRIVACY-ENHANCED MESSAGE-----\n"
2620 (setq end (1+ (match-beginning 0))))
2621 (gnus-add-wash-type 'pem)
2622 (gnus-article-hide-text-type
2624 (if (search-forward "\n\n" nil t)
2628 ;; Hide the trailer as well
2629 (when (search-forward "\n-----END PRIVACY-ENHANCED MESSAGE-----\n"
2631 (gnus-article-hide-text-type
2632 (match-beginning 0) (match-end 0) 'pem)))))))
2634 (defun article-strip-banner ()
2635 "Strip the banners specified by the `banner' group parameter and by
2636 `gnus-article-address-banner-alist'."
2640 (let ((inhibit-point-motion-hooks t))
2641 (when (gnus-parameter-banner gnus-newsgroup-name)
2642 (article-really-strip-banner
2643 (gnus-parameter-banner gnus-newsgroup-name)))
2644 (when gnus-article-address-banner-alist
2645 ;; It is necessary to encode from fields before checking,
2646 ;; because `mail-header-parse-addresses' does not work
2647 ;; (reliably) on decoded headers. And more, it is
2648 ;; impossible to use `gnus-fetch-original-field' here,
2649 ;; because `article-strip-banner' may be called in draft
2650 ;; buffers to preview them.
2651 (let ((from (save-restriction
2653 (article-narrow-to-head)
2654 (mail-fetch-field "from"))))
2657 (caar (mail-header-parse-addresses
2658 (mail-encode-encoded-word-string from)))))
2660 (dolist (pair gnus-article-address-banner-alist)
2661 (when (string-match (car pair) from)
2663 (article-really-strip-banner (cdr pair)))))))))))))
2665 (defun article-really-strip-banner (banner)
2666 "Strip the banner specified by the argument."
2669 (let ((inhibit-point-motion-hooks t)
2670 (gnus-signature-limit nil)
2671 (inhibit-read-only t))
2674 ((eq banner 'signature)
2675 (when (gnus-article-narrow-to-signature)
2678 (delete-region (point) (point-max))))
2680 (if (setq banner (cdr (assq banner gnus-article-banner-alist)))
2681 (while (re-search-forward banner nil t)
2682 (delete-region (match-beginning 0) (match-end 0)))))
2684 (while (re-search-forward banner nil t)
2685 (delete-region (match-beginning 0) (match-end 0)))))))))
2687 (defun article-babel ()
2688 "Translate article using an online translation service."
2691 (gnus-with-article-buffer
2692 (when (article-goto-body)
2693 (let* ((start (point))
2695 (orig (buffer-substring start end))
2696 (trans (babel-as-string orig)))
2698 (narrow-to-region start end)
2699 (delete-region start end)
2702 (defun article-hide-signature (&optional arg)
2703 "Hide the signature in the current article.
2704 If given a negative prefix, always show; if given a positive prefix,
2706 (interactive (gnus-article-hidden-arg))
2712 (article-goto-body))
2713 (goto-char (point-min)))
2714 (unless (gnus-article-check-hidden-text 'signature arg)
2715 (let ((inhibit-read-only t)
2717 (while (setq button (text-property-any button (point-max)
2719 'gnus-signature-toggle))
2720 (setq button (text-property-not-all button (point-max)
2722 'gnus-signature-toggle))
2723 (when (and button (not (eobp)))
2724 (gnus-article-hide-text-type
2726 (next-single-property-change (1+ button) 'mime-view-entity
2729 (gnus-set-mode-line 'article))
2731 (defun article-strip-headers-in-body ()
2732 "Strip offensive headers from bodies."
2736 (let ((case-fold-search t))
2737 (when (looking-at "x-no-archive:")
2738 (gnus-delete-line)))))
2740 (defun article-strip-leading-blank-lines ()
2741 "Remove all blank lines from the beginning of the article."
2744 (let ((inhibit-point-motion-hooks t)
2745 (inhibit-read-only t))
2746 (when (article-goto-body)
2747 (while (and (not (eobp))
2748 (looking-at "[ \t]*$"))
2749 (gnus-delete-line))))))
2751 (defun article-narrow-to-head ()
2752 "Narrow the buffer to the head of the message.
2753 Point is left at the beginning of the narrowed-to region."
2755 (goto-char (point-min))
2756 (if (search-forward "\n\n" nil 1)
2759 (goto-char (point-min)))
2761 (defun article-goto-body ()
2762 "Place point at the start of the body."
2763 (goto-char (point-min))
2765 ;; This variable is only bound when dealing with separate
2767 (article-goto-body-goes-to-point-min-p
2769 ((search-forward "\n\n" nil t)
2772 (goto-char (point-max))
2775 (defun article-strip-multiple-blank-lines ()
2776 "Replace consecutive blank lines with one empty line."
2779 (let ((inhibit-point-motion-hooks t)
2780 (inhibit-read-only t))
2781 ;; First make all blank lines empty.
2783 (while (re-search-forward "^[ \t]+$" nil t)
2784 (unless (gnus-annotation-in-region-p
2785 (match-beginning 0) (match-end 0))
2786 (replace-match "" nil t)))
2787 ;; Then replace multiple empty lines with a single empty line.
2789 (while (re-search-forward "\n\n\\(\n+\\)" nil t)
2790 (unless (gnus-annotation-in-region-p
2791 (match-beginning 0) (match-end 0))
2792 (delete-region (match-beginning 1) (match-end 1)))))))
2794 (defun article-strip-leading-space ()
2795 "Remove all white space from the beginning of the lines in the article."
2798 (let ((inhibit-point-motion-hooks t)
2799 (inhibit-read-only t))
2801 (while (re-search-forward "^[ \t]+" nil t)
2802 (replace-match "" t t)))))
2804 (defun article-strip-trailing-space ()
2805 "Remove all white space from the end of the lines in the article."
2808 (let ((inhibit-point-motion-hooks t)
2809 (inhibit-read-only t))
2811 (while (re-search-forward "[ \t]+$" nil t)
2812 (replace-match "" t t)))))
2814 (defun article-strip-blank-lines ()
2815 "Strip leading, trailing and multiple blank lines."
2817 (article-strip-leading-blank-lines)
2818 (article-remove-trailing-blank-lines)
2819 (article-strip-multiple-blank-lines))
2821 (defun article-strip-all-blank-lines ()
2822 "Strip all blank lines."
2825 (let ((inhibit-point-motion-hooks t)
2826 (inhibit-read-only t))
2828 (while (re-search-forward "^[ \t]*\n" nil t)
2829 (replace-match "" t t)))))
2831 (defun gnus-article-narrow-to-signature ()
2832 "Narrow to the signature; return t if a signature is found, else nil."
2833 (let ((inhibit-point-motion-hooks t))
2834 (when (gnus-article-search-signature)
2836 ;; Check whether we have some limits to what we consider
2837 ;; to be a signature.
2838 (let ((limits (if (listp gnus-signature-limit) gnus-signature-limit
2839 (list gnus-signature-limit)))
2841 (while (setq limit (pop limits))
2842 (if (or (and (integerp limit)
2843 (< (- (point-max) (point)) limit))
2845 (< (count-lines (point) (point-max)) limit))
2846 (and (functionp limit)
2848 (and (stringp limit)
2849 (not (re-search-forward limit nil t))))
2850 () ; This limit did not succeed.
2854 (narrow-to-region (point) (point-max))
2857 (defun gnus-article-search-signature ()
2858 "Search the current buffer for the signature separator.
2859 Put point at the beginning of the signature separator."
2860 (let ((cur (point)))
2861 (goto-char (point-max))
2862 (if (if (stringp gnus-signature-separator)
2863 (re-search-backward gnus-signature-separator nil t)
2864 (let ((seps gnus-signature-separator))
2866 (not (re-search-backward (car seps) nil t)))
2873 (defun gnus-article-hidden-arg ()
2874 "Return the current prefix arg as a number, or 0 if no prefix."
2875 (list (if current-prefix-arg
2876 (prefix-numeric-value current-prefix-arg)
2879 (defun gnus-article-check-hidden-text (type arg)
2880 "Return nil if hiding is necessary.
2881 Arg can be nil or a number. nil and positive means hide, negative
2882 means show, 0 means toggle."
2885 (let ((hide (gnus-article-hidden-text-p type)))
2891 (gnus-article-show-hidden-text type)
2894 (if (eq hide 'hidden)
2896 (gnus-article-show-hidden-text type)
2900 (defun gnus-article-hidden-text-p (type)
2901 "Say whether the current buffer contains hidden text of type TYPE."
2902 (let ((pos (text-property-any (point-min) (point-max) 'article-type type)))
2904 (not (get-text-property pos 'invisible))
2905 (not (get-text-property pos 'dummy-invisible)))
2907 (text-property-any (1+ pos) (point-max) 'article-type type)))
2912 (defun gnus-article-show-hidden-text (type &optional dummy)
2913 "Show all hidden text of type TYPE.
2914 Originally it is hide instead of DUMMY."
2915 (let ((inhibit-read-only t)
2916 (inhibit-point-motion-hooks t))
2917 (gnus-remove-text-properties-when
2919 (point-min) (point-max)
2920 (cons 'article-type (cons type
2921 gnus-hidden-properties)))
2922 (gnus-delete-wash-type type)))
2924 (defconst article-time-units
2925 `((year . ,(* 365.25 24 60 60))
2926 (week . ,(* 7 24 60 60))
2927 (day . ,(* 24 60 60))
2931 "Mapping from time units to seconds.")
2933 (defun gnus-article-forward-header ()
2934 "Move point to the start of the next header.
2935 If the current header is a continuation header, this can be several
2940 (if (looking-at "[ \t]+[^ \t]")
2944 (defun article-date-ut (&optional type highlight header)
2945 "Convert DATE date to universal time in the current article.
2946 If TYPE is `local', convert to local time; if it is `lapsed', output
2947 how much time has lapsed since DATE. For `lapsed', the value of
2948 `gnus-article-date-lapsed-new-header' says whether the \"X-Sent:\" header
2949 should replace the \"Date:\" one, or should be added below it."
2950 (interactive (list 'ut t))
2951 (let* ((header (or header
2952 (and (eq 1 (point-min))
2953 (mail-header-date (save-excursion
2954 (set-buffer gnus-summary-buffer)
2955 gnus-current-headers)))
2956 (message-fetch-field "date")
2958 (date (if (vectorp header) (mail-header-date header)
2960 (inhibit-point-motion-hooks t)
2961 bface eface date-pos)
2962 (when (and date (not (string= date "")))
2965 (article-narrow-to-head)
2966 (when (or (and (eq type 'lapsed)
2967 gnus-article-date-lapsed-new-header
2968 ;; Attempt to get the face of X-Sent first.
2969 (re-search-forward "^X-Sent:[ \t]" nil t))
2970 (re-search-forward "^Date:[ \t]" nil t)
2971 ;; If Date is missing, try again for X-Sent.
2972 (re-search-forward "^X-Sent:[ \t]" nil t))
2973 (setq bface (get-text-property (point-at-bol) 'face)
2974 date (or (get-text-property (point-at-bol)
2977 eface (get-text-property (1- (point-at-eol))
2979 (let ((inhibit-read-only t))
2980 ;; Delete any old X-Sent headers.
2981 (when (setq date-pos
2982 (text-property-any (point-min) (point-max)
2983 'article-date-lapsed t))
2984 (goto-char (setq date-pos (set-marker (make-marker) date-pos)))
2985 (delete-region (match-beginning 0)
2986 (progn (forward-line 1) (point))))
2987 (goto-char (point-min))
2988 ;; Delete any old Date headers.
2989 (while (re-search-forward "^Date:[ \t]" nil t)
2991 (setq date-pos (match-beginning 0)))
2992 (unless (and (eq type 'lapsed)
2993 gnus-article-date-lapsed-new-header)
2994 (delete-region (match-beginning 0)
2995 (progn (message-next-header) (point)))))
2998 (goto-char date-pos)
3000 ;; Possibly, Date has been deleted.
3002 (when (and (eq type 'lapsed)
3003 gnus-article-date-lapsed-new-header
3004 (looking-at "Date:"))
3006 (goto-char (point-min)))
3007 (insert (article-make-date-line date type))
3008 (when (eq type 'lapsed)
3009 (put-text-property (point-at-bol) (point)
3010 'article-date-lapsed t))
3014 (when (looking-at "\\([^:]+\\): *\\(.*\\)$")
3015 (add-text-properties (match-beginning 1) (1+ (match-end 1))
3016 (list 'original-date date 'face bface))
3017 (put-text-property (match-beginning 2) (match-end 2)
3020 (defun article-make-date-line (date type)
3021 "Return a DATE line of TYPE."
3022 (unless (memq type '(local ut original user iso8601 lapsed english))
3023 (error "Unknown conversion type: %s" type))
3025 (let ((time (date-to-time date)))
3027 ;; Convert to the local timezone.
3029 (concat "Date: " (message-make-date time)))
3030 ;; Convert to Universal Time.
3035 (let* ((e (parse-time-string date))
3036 (tm (apply 'encode-time e))
3038 (ls (- (cadr tm) (car (current-time-zone time)))))
3039 (cond ((< ls 0) (list (1- ms) (+ ls 65536)))
3040 ((> ls 65535) (list (1+ ms) (- ls 65536)))
3044 ;; Get the original date from the article.
3045 ((eq type 'original)
3046 (concat "Date: " (if (string-match "\n+$" date)
3047 (substring date 0 (match-beginning 0))
3049 ;; Let the user define the format.
3051 (let ((format (or (condition-case nil
3052 (with-current-buffer gnus-summary-buffer
3053 gnus-article-time-format)
3055 gnus-article-time-format)))
3056 (if (functionp format)
3057 (funcall format time)
3058 (concat "Date: " (format-time-string format time)))))
3061 (let ((tz (car (current-time-zone time))))
3064 (format-time-string "%Y%m%dT%H%M%S" time)
3065 (format "%s%02d%02d"
3066 (if (> tz 0) "+" "-") (/ (abs tz) 3600)
3067 (/ (% (abs tz) 3600) 60)))))
3068 ;; Do an X-Sent lapsed format.
3070 ;; If the date is seriously mangled, the timezone functions are
3071 ;; liable to bug out, so we ignore all errors.
3072 (let* ((now (current-time))
3073 (real-time (subtract-time now time))
3074 (real-sec (and real-time
3075 (+ (* (float (car real-time)) 65536)
3077 (sec (and real-time (abs real-sec)))
3087 ;; This is a bit convoluted, but basically we go
3088 ;; through the time units for years, weeks, etc,
3089 ;; and divide things to see whether that results
3090 ;; in positive answers.
3093 (if (zerop (setq num (ffloor (/ sec (cdr unit)))))
3094 ;; The (remaining) seconds are too few to
3095 ;; be divided into this time unit.
3097 ;; It's big enough, so we output it.
3098 (setq sec (- sec (* num (cdr unit))))
3100 (concat (if prev ", " "") (int-to-string
3102 " " (symbol-name (car unit))
3103 (if (> num 1) "s" ""))
3105 article-time-units "")
3106 ;; If dates are odd, then it might appear like the
3107 ;; article was sent in the future.
3110 " in the future"))))))
3111 ;; Display the date in proper English
3113 (let ((dtime (decode-time time)))
3116 (number-to-string (nth 3 dtime))
3117 (let ((digit (% (nth 3 dtime) 10)))
3119 ((memq (nth 3 dtime) '(11 12 13)) "th")
3125 (nth (1- (nth 4 dtime)) gnus-english-month-names)
3127 (number-to-string (nth 5 dtime))
3129 (format "%02d" (nth 2 dtime))
3131 (format "%02d" (nth 1 dtime)))))))
3133 (format "Date: %s (from T-gnus)" date))))
3135 (defun article-date-local (&optional highlight)
3136 "Convert the current article date to the local timezone."
3137 (interactive (list t))
3138 (article-date-ut 'local highlight))
3140 (defun article-date-english (&optional highlight)
3141 "Convert the current article date to something that is proper English."
3142 (interactive (list t))
3143 (article-date-ut 'english highlight))
3145 (defun article-date-original (&optional highlight)
3146 "Convert the current article date to what it was originally.
3147 This is only useful if you have used some other date conversion
3148 function and want to see what the date was before converting."
3149 (interactive (list t))
3150 (article-date-ut 'original highlight))
3152 (defun article-date-lapsed (&optional highlight)
3153 "Convert the current article date to time lapsed since it was sent."
3154 (interactive (list t))
3155 (article-date-ut 'lapsed highlight))
3157 (defun article-update-date-lapsed ()
3158 "Function to be run from a timer to update the lapsed time line."
3159 (let (deactivate-mark)
3164 (set-buffer (window-buffer w))
3165 (when (eq major-mode 'gnus-article-mode)
3166 (let ((mark (point-marker)))
3167 (goto-char (point-min))
3168 (when (re-search-forward "^X-Sent:" nil t)
3169 (article-date-lapsed t))
3170 (goto-char (marker-position mark))
3171 (move-marker mark nil))))
3174 (defun gnus-start-date-timer (&optional n)
3175 "Start a timer to update the X-Sent header in the article buffers.
3176 The numerical prefix says how frequently (in seconds) the function
3181 (gnus-stop-date-timer)
3182 (setq article-lapsed-timer
3183 (run-at-time 1 n 'article-update-date-lapsed)))
3185 (defun gnus-stop-date-timer ()
3186 "Stop the X-Sent timer."
3188 (when article-lapsed-timer
3189 (nnheader-cancel-timer article-lapsed-timer)
3190 (setq article-lapsed-timer nil)))
3192 (defun article-date-user (&optional highlight)
3193 "Convert the current article date to the user-defined format.
3194 This format is defined by the `gnus-article-time-format' variable."
3195 (interactive (list t))
3196 (article-date-ut 'user highlight))
3198 (defun article-date-iso8601 (&optional highlight)
3199 "Convert the current article date to ISO8601."
3200 (interactive (list t))
3201 (article-date-ut 'iso8601 highlight))
3203 ;; (defun article-show-all ()
3204 ;; "Show all hidden text in the article buffer."
3208 ;; (let ((inhibit-read-only t))
3209 ;; (gnus-article-unhide-text (point-min) (point-max))
3210 ;; (gnus-remove-text-with-property 'gnus-prev)
3211 ;; (gnus-remove-text-with-property 'gnus-next))))
3213 (defun article-show-all-headers ()
3214 "Show all hidden headers in the article buffer."
3219 (article-narrow-to-head)
3220 (let ((inhibit-read-only t))
3221 (gnus-article-unhide-text (point-min) (point-max))))))
3223 (defun article-remove-leading-whitespace ()
3224 "Remove excessive whitespace from all headers."
3228 (let ((inhibit-read-only t))
3229 (article-narrow-to-head)
3230 (goto-char (point-min))
3231 (while (re-search-forward "^[^ :]+: \\([ \t]+\\)" nil t)
3232 (delete-region (match-beginning 1) (match-end 1)))))))
3234 (defun article-emphasize (&optional arg)
3235 "Emphasize text according to `gnus-emphasis-alist'."
3236 (interactive (gnus-article-hidden-arg))
3237 (unless (gnus-article-check-hidden-text 'emphasis arg)
3241 (with-current-buffer gnus-summary-buffer
3242 gnus-article-emphasis-alist)
3244 gnus-emphasis-alist))
3245 (inhibit-read-only t)
3246 (props (append '(article-type emphasis)
3247 gnus-hidden-properties))
3248 regexp elem beg invisible visible face)
3251 (while (setq elem (pop alist))
3253 (setq regexp (car elem)
3254 invisible (nth 1 elem)
3255 visible (nth 2 elem)
3257 (while (re-search-forward regexp nil t)
3258 (when (and (match-beginning visible) (match-beginning invisible))
3259 (gnus-article-hide-text
3260 (match-beginning invisible) (match-end invisible) props)
3261 (gnus-article-unhide-text-type
3262 (match-beginning visible) (match-end visible) 'emphasis)
3263 (gnus-put-overlay-excluding-newlines
3264 (match-beginning visible) (match-end visible) 'face face)
3265 (gnus-add-wash-type 'emphasis)
3266 (goto-char (match-end invisible)))))))))
3268 (defun gnus-article-setup-highlight-words (&optional highlight-words)
3269 "Setup newsgroup emphasis alist."
3270 (unless gnus-article-emphasis-alist
3271 (let ((name (and gnus-newsgroup-name
3272 (gnus-group-real-name gnus-newsgroup-name))))
3273 (make-local-variable 'gnus-article-emphasis-alist)
3274 (setq gnus-article-emphasis-alist
3276 (let ((alist gnus-group-highlight-words-alist) elem highlight)
3277 (while (setq elem (pop alist))
3278 (when (and name (string-match (car elem) name))
3280 highlight (copy-sequence (cdr elem)))))
3282 (copy-sequence highlight-words)
3283 (if gnus-newsgroup-name
3284 (copy-sequence (gnus-group-find-parameter
3285 gnus-newsgroup-name 'highlight-words t)))
3286 gnus-emphasis-alist)))))
3289 (defvar gnus-summary-article-menu)
3290 (defvar gnus-summary-post-menu))
3292 ;;; Saving functions.
3294 (defun gnus-article-save (save-buffer file &optional num)
3295 "Save the currently selected article."
3296 (unless gnus-save-all-headers
3297 ;; Remove headers according to `gnus-saved-headers'.
3298 (let ((gnus-visible-headers
3299 (or gnus-saved-headers gnus-visible-headers))
3300 (gnus-article-buffer save-buffer))
3302 (set-buffer save-buffer)
3303 (article-hide-headers 1 t))))
3304 (save-window-excursion
3305 (if (not gnus-default-article-saver)
3306 (error "No default saver is defined")
3307 ;; !!! Magic! The saving functions all save
3308 ;; `gnus-save-article-buffer' (or so they think), but we
3309 ;; bind that variable to our save-buffer.
3310 (set-buffer gnus-article-buffer)
3311 (let* ((gnus-save-article-buffer save-buffer)
3314 ((not gnus-prompt-before-saving) 'default)
3315 ((eq gnus-prompt-before-saving 'always) nil)
3317 (gnus-number-of-articles-to-be-saved
3318 (when (eq gnus-prompt-before-saving t)
3320 (set-buffer gnus-article-current-summary)
3321 (funcall gnus-default-article-saver filename)))))
3323 (defun gnus-read-save-file-name (prompt &optional filename
3324 function group headers variable)
3326 (funcall function group headers (symbol-value variable)))
3331 ((eq filename 'default)
3337 (let* ((split-name (gnus-get-split-value gnus-split-methods))
3340 (if (and gnus-number-of-articles-to-be-saved
3341 (> gnus-number-of-articles-to-be-saved 1))
3342 (format "these %d articles"
3343 gnus-number-of-articles-to-be-saved)
3346 ;; Let the split methods have their say.
3348 ;; No split name was found.
3351 (concat prompt " (default "
3352 (file-name-nondirectory default-name) ") ")
3353 (file-name-directory default-name)
3355 ;; A single group name is returned.
3356 ((stringp split-name)
3358 (funcall function split-name headers
3359 (symbol-value variable)))
3361 (concat prompt " (default "
3362 (file-name-nondirectory default-name) ") ")
3363 (file-name-directory default-name)
3365 ;; A single split name was found
3366 ((= 1 (length split-name))
3367 (let* ((name (expand-file-name
3369 gnus-article-save-directory))
3370 (dir (cond ((file-directory-p name)
3371 (file-name-as-directory name))
3372 ((file-exists-p name) name)
3373 (t gnus-article-save-directory))))
3375 (concat prompt " (default " name ") ")
3377 ;; A list of splits was found.
3379 (setq split-name (nreverse split-name))
3381 (let ((file-name-history
3382 (nconc split-name file-name-history)))
3386 (concat prompt " (`M-p' for defaults) ")
3387 gnus-article-save-directory
3389 gnus-article-save-directory)))
3390 (car (push result file-name-history)))))))
3391 ;; Create the directory.
3392 (gnus-make-directory (file-name-directory file))
3393 ;; If we have read a directory, we append the default file name.
3394 (when (file-directory-p file)
3395 (setq file (expand-file-name (file-name-nondirectory
3397 (file-name-as-directory file))))
3398 ;; Possibly translate some characters.
3399 (nnheader-translate-file-chars file))))))
3400 (gnus-make-directory (file-name-directory result))
3401 (set variable result)))
3403 (defun gnus-article-archive-name (group)
3404 "Return the first instance of an \"Archive-name\" in the current buffer."
3405 (let ((case-fold-search t))
3406 (when (re-search-forward "archive-name: *\\([^ \n\t]+\\)[ \t]*$" nil t)
3407 (nnheader-concat gnus-article-save-directory
3408 (match-string 1)))))
3410 (defun gnus-article-nndoc-name (group)
3411 "If GROUP is an nndoc group, return the name of the parent group."
3412 (when (eq (car (gnus-find-method-for-group group)) 'nndoc)
3413 (gnus-group-get-parameter group 'save-article-group)))
3415 (defun gnus-summary-save-in-rmail (&optional filename)
3416 "Append this article to Rmail file.
3417 Optional argument FILENAME specifies file name.
3418 Directory to save to is default to `gnus-article-save-directory'."
3419 (setq filename (gnus-read-save-file-name
3420 "Save %s in rmail file:" filename
3421 gnus-rmail-save-name gnus-newsgroup-name
3422 gnus-current-headers 'gnus-newsgroup-last-rmail))
3423 (gnus-eval-in-buffer-window gnus-save-article-buffer
3427 (gnus-output-to-rmail filename))))
3430 (defun gnus-summary-save-in-mail (&optional filename)
3431 "Append this article to Unix mail file.
3432 Optional argument FILENAME specifies file name.
3433 Directory to save to is default to `gnus-article-save-directory'."
3434 (setq filename (gnus-read-save-file-name
3435 "Save %s in Unix mail file:" filename
3436 gnus-mail-save-name gnus-newsgroup-name
3437 gnus-current-headers 'gnus-newsgroup-last-mail))
3438 (gnus-eval-in-buffer-window gnus-save-article-buffer
3442 (if (and (file-readable-p filename)
3443 (file-regular-p filename)
3444 (mail-file-babyl-p filename))
3445 (rmail-output-to-rmail-file filename t)
3446 (gnus-output-to-mail filename)))))
3449 (defun gnus-summary-save-in-file (&optional filename overwrite)
3450 "Append this article to file.
3451 Optional argument FILENAME specifies file name.
3452 Directory to save to is default to `gnus-article-save-directory'."
3453 (setq filename (gnus-read-save-file-name
3454 "Save %s in file:" filename
3455 gnus-file-save-name gnus-newsgroup-name
3456 gnus-current-headers 'gnus-newsgroup-last-file))
3457 (gnus-eval-in-buffer-window gnus-save-article-buffer
3461 (when (and overwrite
3462 (file-exists-p filename))
3463 (delete-file filename))
3464 (gnus-output-to-file filename))))
3467 (defun gnus-summary-write-to-file (&optional filename)
3468 "Write this article to a file, overwriting it if the file exists.
3469 Optional argument FILENAME specifies file name.
3470 The directory to save in defaults to `gnus-article-save-directory'."
3471 (gnus-summary-save-in-file nil t))
3473 (defun gnus-summary-save-body-in-file (&optional filename)
3474 "Append this article body to a file.
3475 Optional argument FILENAME specifies file name.
3476 The directory to save in defaults to `gnus-article-save-directory'."
3477 (setq filename (gnus-read-save-file-name
3478 "Save %s body in file:" filename
3479 gnus-file-save-name gnus-newsgroup-name
3480 gnus-current-headers 'gnus-newsgroup-last-file))
3481 (gnus-eval-in-buffer-window gnus-save-article-buffer
3485 (when (article-goto-body)
3486 (narrow-to-region (point) (point-max)))
3487 (gnus-output-to-file filename))))
3490 (defun gnus-summary-save-in-pipe (&optional command)
3491 "Pipe this article to subprocess."
3493 (cond ((and (eq command 'default)
3494 gnus-last-shell-command)
3495 gnus-last-shell-command)
3500 "Shell command on %s: "
3501 (if (and gnus-number-of-articles-to-be-saved
3502 (> gnus-number-of-articles-to-be-saved 1))
3503 (format "these %d articles"
3504 gnus-number-of-articles-to-be-saved)
3506 gnus-last-shell-command))))
3507 (when (string-equal command "")
3508 (if gnus-last-shell-command
3509 (setq command gnus-last-shell-command)
3510 (error "A command is required")))
3511 (gnus-eval-in-buffer-window gnus-article-buffer
3514 (shell-command-on-region (point-min) (point-max) command nil)))
3515 (setq gnus-last-shell-command command))
3517 (defun gnus-summary-pipe-to-muttprint (&optional command)
3518 "Pipe this article to muttprint."
3519 (setq command (read-string
3520 "Print using command: " gnus-summary-muttprint-program
3521 nil gnus-summary-muttprint-program))
3522 (gnus-summary-save-in-pipe command))
3524 ;;; Article file names when saving.
3526 (defun gnus-capitalize-newsgroup (newsgroup)
3527 "Capitalize NEWSGROUP name."
3528 (when (not (zerop (length newsgroup)))
3529 (concat (char-to-string (upcase (aref newsgroup 0)))
3530 (substring newsgroup 1))))
3532 (defun gnus-Numeric-save-name (newsgroup headers &optional last-file)
3533 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3534 If variable `gnus-use-long-file-name' is non-nil, it is ~/News/News.group/num.
3535 Otherwise, it is like ~/News/news/group/num."
3538 (concat (if (gnus-use-long-file-name 'not-save)
3539 (gnus-capitalize-newsgroup newsgroup)
3540 (gnus-newsgroup-directory-form newsgroup))
3541 "/" (int-to-string (mail-header-number headers)))
3542 gnus-article-save-directory)))
3544 (string-equal (file-name-directory default)
3545 (file-name-directory last-file))
3546 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
3548 (or last-file default))))
3550 (defun gnus-numeric-save-name (newsgroup headers &optional last-file)
3551 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3552 If variable `gnus-use-long-file-name' is non-nil, it is
3553 ~/News/news.group/num. Otherwise, it is like ~/News/news/group/num."
3556 (concat (if (gnus-use-long-file-name 'not-save)
3558 (gnus-newsgroup-directory-form newsgroup))
3559 "/" (int-to-string (mail-header-number headers)))
3560 gnus-article-save-directory)))
3562 (string-equal (file-name-directory default)
3563 (file-name-directory last-file))
3564 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
3566 (or last-file default))))
3568 (defun gnus-plain-save-name (newsgroup headers &optional last-file)
3569 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3570 If variable `gnus-use-long-file-name' is non-nil, it is
3571 ~/News/news.group. Otherwise, it is like ~/News/news/group/news."
3574 (if (gnus-use-long-file-name 'not-save)
3577 (expand-file-name "news" (gnus-newsgroup-directory-form newsgroup))
3579 gnus-article-save-directory)))
3581 (defun gnus-sender-save-name (newsgroup headers &optional last-file)
3582 "Generate file name from sender."
3583 (let ((from (mail-header-from headers)))
3585 (if (and from (string-match "\\([^ <]+\\)@" from))
3586 (match-string 1 from)
3588 gnus-article-save-directory)))
3590 (defun article-verify-x-pgp-sig ()
3593 (if (gnus-buffer-live-p gnus-original-article-buffer)
3594 (let ((sig (with-current-buffer gnus-original-article-buffer
3595 (gnus-fetch-field "X-PGP-Sig")))
3599 (mml2015-clear-verify-function))
3601 (insert-buffer-substring gnus-original-article-buffer)
3602 (setq items (split-string sig))
3603 (message-narrow-to-head)
3604 (let ((inhibit-point-motion-hooks t)
3605 (case-fold-search t))
3606 ;; Don't verify multiple headers.
3607 (setq headers (mapconcat (lambda (header)
3609 (mail-fetch-field header)
3611 (split-string (nth 1 items) ",") "")))
3612 (delete-region (point-min) (point-max))
3613 (insert "-----BEGIN PGP SIGNED MESSAGE-----\n\n")
3614 (insert "X-Signed-Headers: " (nth 1 items) "\n")
3619 (if (looking-at "^-")
3622 (insert "\n-----BEGIN PGP SIGNATURE-----\n")
3623 (insert "Version: " (car items) "\n\n")
3624 (insert (mapconcat 'identity (cddr items) "\n"))
3625 (insert "\n-----END PGP SIGNATURE-----\n")
3626 (let ((mm-security-handle (list (format "multipart/signed"))))
3627 (mml2015-clean-buffer)
3628 (let ((coding-system-for-write (or gnus-newsgroup-charset
3630 (funcall (mml2015-clear-verify-function)))
3632 (or (mm-handle-multipart-ctl-parameter
3633 mm-security-handle 'gnus-details)
3634 (mm-handle-multipart-ctl-parameter
3635 mm-security-handle 'gnus-info)))))
3637 (let ((inhibit-read-only t) bface eface)
3639 (message-narrow-to-head)
3640 (goto-char (point-max))
3642 (setq bface (get-text-property (point-at-bol) 'face)
3643 eface (get-text-property (1- (point-at-eol)) 'face))
3644 (message-remove-header "X-Gnus-PGP-Verify")
3645 (if (re-search-forward "^X-PGP-Sig:" nil t)
3647 (goto-char (point-max)))
3648 (narrow-to-region (point) (point))
3649 (insert "X-Gnus-PGP-Verify: " info "\n")
3650 (goto-char (point-min))
3653 (if (not (looking-at "^[ \t]"))
3657 (goto-char (point-min))
3658 (when (looking-at "\\([^:]+\\): *")
3659 (put-text-property (match-beginning 1) (1+ (match-end 1))
3661 (put-text-property (match-end 0) (point-max)
3662 'face eface)))))))))
3664 (defun article-verify-cancel-lock ()
3665 "Verify Cancel-Lock header."
3667 (if (gnus-buffer-live-p gnus-original-article-buffer)
3668 (canlock-verify gnus-original-article-buffer)))
3670 (defun article-monafy ()
3671 "Display body part with mona font."
3673 (unless (if (featurep 'xemacs)
3674 (find-face 'gnus-mona-face)
3675 (facep 'gnus-mona-face))
3676 (require 'navi2ch-mona)
3677 (set-face-font (make-face 'gnus-mona-face) navi2ch-mona-font))
3679 (let ((inhibit-read-only t))
3682 (gnus-make-overlay (point) (point-max))
3683 'face 'gnus-mona-face))))
3690 (setq afunc (car func)
3693 gfunc (intern (format "gnus-%s" func))))
3695 (when (fboundp afunc)
3696 `(lambda (&optional interactive &rest args)
3697 ,(documentation afunc t)
3698 (interactive (list t))
3700 (set-buffer gnus-article-buffer)
3702 (call-interactively ',afunc)
3703 (apply ',afunc args))))))))
3704 '(article-hide-headers
3705 article-verify-x-pgp-sig
3706 article-verify-cancel-lock
3708 article-hide-boring-headers
3709 article-treat-overstrike
3710 article-treat-ansi-sequences
3711 article-fill-long-lines
3712 article-capitalize-sentences
3714 article-remove-leading-whitespace
3715 article-display-x-face
3716 article-display-face
3717 article-de-quoted-unreadable
3718 article-de-base64-unreadable
3721 article-unsplit-urls
3722 article-hide-list-identifiers
3723 article-strip-banner
3726 article-hide-signature
3727 article-strip-headers-in-body
3728 article-remove-trailing-blank-lines
3729 article-strip-leading-blank-lines
3730 article-strip-multiple-blank-lines
3731 article-strip-leading-space
3732 article-strip-trailing-space
3733 article-strip-blank-lines
3734 article-strip-all-blank-lines
3736 article-date-english
3737 article-date-iso8601
3738 article-date-original
3740 article-decode-mime-words
3741 article-decode-charset
3742 article-decode-encoded-words
3746 article-treat-dumbquotes
3747 article-normalize-headers
3748 (article-show-all-headers . gnus-article-show-all-headers)
3749 ;; (article-show-all . gnus-article-show-all)
3753 ;;; Gnus article mode
3756 (put 'gnus-article-mode 'mode-class 'special)
3758 (gnus-define-keys gnus-article-mode-map
3759 " " gnus-article-goto-next-page
3760 "\177" gnus-article-goto-prev-page
3761 [delete] gnus-article-goto-prev-page
3762 [backspace] gnus-article-goto-prev-page
3763 "\C-c^" gnus-article-refer-article
3764 "h" gnus-article-show-summary
3765 "s" gnus-article-show-summary
3766 "\C-c\C-m" gnus-article-mail
3767 "?" gnus-article-describe-briefly
3768 "e" gnus-summary-edit-article
3769 "<" beginning-of-buffer
3771 "\C-c\C-i" gnus-info-find-node
3773 "R" gnus-article-reply-with-original
3774 "F" gnus-article-followup-with-original
3775 "\C-hk" gnus-article-describe-key
3776 "\C-hc" gnus-article-describe-key-briefly
3778 "\C-d" gnus-article-read-summary-keys
3779 "\M-*" gnus-article-read-summary-keys
3780 "\M-#" gnus-article-read-summary-keys
3781 "\M-^" gnus-article-read-summary-keys
3782 "\M-g" gnus-article-read-summary-keys)
3784 ;; Define almost undefined keys to `gnus-article-read-summary-keys'.
3788 (push (char-to-string key) keys)
3790 (dolist (elem (accessible-keymaps gnus-summary-mode-map))
3791 (setq key (car elem))
3792 (when (and (> (length key) 0)
3793 (not (eq 'menu-bar (aref key 0)))
3794 (symbolp (lookup-key gnus-summary-mode-map key)))
3797 (unless (lookup-key gnus-article-mode-map key)
3798 (define-key gnus-article-mode-map key 'gnus-article-read-summary-keys))))
3800 (defun gnus-article-make-menu-bar ()
3801 (unless (boundp 'gnus-article-commands-menu)
3802 (gnus-summary-make-menu-bar))
3803 (gnus-turn-off-edit-menu 'article)
3804 (unless (boundp 'gnus-article-article-menu)
3806 gnus-article-article-menu gnus-article-mode-map ""
3808 ["Scroll forwards" gnus-article-goto-next-page t]
3809 ["Scroll backwards" gnus-article-goto-prev-page t]
3810 ["Show summary" gnus-article-show-summary t]
3811 ["Fetch Message-ID at point" gnus-article-refer-article t]
3812 ["Mail to address at point" gnus-article-mail t]
3813 ["Send a bug report" gnus-bug t]))
3816 gnus-article-treatment-menu gnus-article-mode-map ""
3817 ;; Fixme: this should use :active (and maybe :visible).
3819 ["Hide headers" gnus-article-hide-headers t]
3820 ["Hide signature" gnus-article-hide-signature t]
3821 ["Hide citation" gnus-article-hide-citation t]
3822 ["Treat overstrike" gnus-article-treat-overstrike t]
3823 ["Treat ANSI sequences" gnus-article-treat-ansi-sequences t]
3824 ["Remove carriage return" gnus-article-remove-cr t]
3825 ["Remove leading whitespace" gnus-article-remove-leading-whitespace t]
3826 ["Treat html" gnus-article-wash-html t]
3827 ["Remove newlines from within URLs" gnus-article-unsplit-urls t]
3828 ["Decode HZ" gnus-article-decode-HZ t]))
3830 ;; Note "Commands" menu is defined in gnus-sum.el for consistency
3832 ;; Note "Post" menu is defined in gnus-sum.el for consistency
3834 (gnus-run-hooks 'gnus-article-menu-hook)))
3836 (defun gnus-article-mode ()
3837 "Major mode for displaying an article.
3839 All normal editing commands are switched off.
3841 The following commands are available in addition to all summary mode
3843 \\<gnus-article-mode-map>
3844 \\[gnus-article-next-page]\t Scroll the article one page forwards
3845 \\[gnus-article-prev-page]\t Scroll the article one page backwards
3846 \\[gnus-article-refer-article]\t Go to the article referred to by an article id near point
3847 \\[gnus-article-show-summary]\t Display the summary buffer
3848 \\[gnus-article-mail]\t Send a reply to the address near point
3849 \\[gnus-article-describe-briefly]\t Describe the current mode briefly
3850 \\[gnus-info-find-node]\t Go to the Gnus info node"
3852 (gnus-simplify-mode-line)
3853 (setq mode-name "Article")
3854 (setq major-mode 'gnus-article-mode)
3855 (make-local-variable 'minor-mode-alist)
3856 (unless (assq 'gnus-show-mime minor-mode-alist)
3857 (push (list 'gnus-show-mime " MIME") minor-mode-alist))
3858 (use-local-map gnus-article-mode-map)
3859 (when (gnus-visual-p 'article-menu 'menu)
3860 (gnus-article-make-menu-bar)
3861 (when gnus-summary-tool-bar-map
3862 (set (make-local-variable 'tool-bar-map) gnus-summary-tool-bar-map)))
3863 (gnus-update-format-specifications nil 'article-mode)
3864 (set (make-local-variable 'page-delimiter) gnus-page-delimiter)
3865 (set (make-local-variable 'gnus-page-broken) nil)
3866 (make-local-variable 'gnus-button-marker-list)
3867 (make-local-variable 'gnus-article-current-summary)
3868 (make-local-variable 'gnus-article-mime-handles)
3869 (make-local-variable 'gnus-article-decoded-p)
3870 (make-local-variable 'gnus-article-mime-handle-alist)
3871 (make-local-variable 'gnus-article-wash-types)
3872 (make-local-variable 'gnus-article-image-alist)
3873 (make-local-variable 'gnus-article-charset)
3874 (make-local-variable 'gnus-article-ignored-charsets)
3875 (gnus-set-default-directory)
3876 (buffer-disable-undo)
3877 (setq buffer-read-only t
3878 show-trailing-whitespace nil)
3879 (set-syntax-table gnus-article-mode-syntax-table)
3880 (gnus-run-hooks 'gnus-article-mode-hook))
3882 (defun gnus-article-setup-buffer ()
3883 "Initialize the article buffer."
3884 (let* ((name (if gnus-single-article-buffer "*Article*"
3885 (concat "*Article " gnus-newsgroup-name "*")))
3887 (progn (string-match "\\*Article" name)
3888 (concat " *Original Article"
3889 (substring name (match-end 0))))))
3890 (setq gnus-article-buffer name)
3891 (setq gnus-original-article-buffer original)
3892 (setq gnus-article-mime-handle-alist nil)
3893 ;; This might be a variable local to the summary buffer.
3894 (unless gnus-single-article-buffer
3896 (set-buffer gnus-summary-buffer)
3897 (setq gnus-article-buffer name)
3898 (setq gnus-original-article-buffer original)
3899 (gnus-set-global-variables)))
3900 (gnus-article-setup-highlight-words)
3901 ;; Init original article buffer.
3903 (set-buffer (gnus-get-buffer-create gnus-original-article-buffer))
3904 (set-buffer-multibyte t)
3905 (setq major-mode 'gnus-original-article-mode)
3906 (make-local-variable 'gnus-original-article))
3907 (if (get-buffer name)
3910 (when (and gnus-article-edit-mode
3913 (y-or-n-p "Article mode edit in progress; discard? ")))
3914 (error "Action aborted"))
3915 (set (make-local-variable 'gnus-article-edit-mode) nil)
3916 (buffer-disable-undo)
3917 (setq buffer-read-only t)
3918 ;; This list just keeps growing if we don't reset it.
3919 (setq gnus-button-marker-list nil)
3920 (unless (eq major-mode 'gnus-article-mode)
3921 (gnus-article-mode))
3924 (set-buffer (gnus-get-buffer-create name))
3926 (make-local-variable 'gnus-summary-buffer)
3927 (gnus-summary-set-local-parameters gnus-newsgroup-name)
3928 (current-buffer)))))
3930 ;; Set article window start at LINE, where LINE is the number of lines
3931 ;; from the head of the article.
3932 (defun gnus-article-set-window-start (&optional line)
3934 (gnus-get-buffer-window gnus-article-buffer t)
3936 (set-buffer gnus-article-buffer)
3937 (goto-char (point-min))
3940 (gnus-message 6 "Moved to bookmark")
3941 (search-forward "\n\n" nil t)
3945 ;;; @@ article filters
3948 (defun gnus-article-display-mime-message ()
3949 "Article display method for MIME message."
3950 ;; called from `gnus-original-article-buffer'.
3951 (let (charset all-headers)
3952 (with-current-buffer gnus-summary-buffer
3953 (setq charset default-mime-charset
3954 all-headers gnus-have-all-headers))
3955 (make-local-variable 'default-mime-charset)
3956 (setq default-mime-charset charset)
3957 (with-current-buffer (get-buffer-create gnus-article-buffer)
3958 (make-local-variable 'default-mime-charset)
3959 (setq default-mime-charset charset))
3960 (mime-display-message mime-message-structure
3961 gnus-article-buffer nil gnus-article-mode-map)
3963 (gnus-article-hide-headers nil -1)))
3964 (run-hooks 'gnus-mime-article-prepare-hook))
3966 (defun gnus-article-display-traditional-message ()
3967 "Article display method for traditional message."
3968 (set-buffer gnus-article-buffer)
3969 (let ((inhibit-read-only t))
3971 (insert-buffer-substring gnus-original-article-buffer)))
3973 (defun gnus-article-make-full-mail-header (&optional number charset)
3974 "Create a new mail header structure in a raw article buffer."
3975 (unless (and number charset)
3976 (save-current-buffer
3977 (set-buffer gnus-summary-buffer)
3979 (setq number (or (cdr gnus-article-current) 0)))
3981 (setq charset (or default-mime-charset 'x-ctext)))))
3982 (goto-char (point-min))
3983 (let ((header-end (if (search-forward "\n\n" nil t)
3985 (goto-char (point-max))))
3986 (chars (- (point-max) (point)))
3987 (lines (count-lines (point) (point-max)))
3988 (default-mime-charset charset)
3990 (narrow-to-region (point-min) header-end)
3991 (setq xref (std11-fetch-field "xref"))
3993 (make-full-mail-header
3995 (std11-fetch-field "subject")
3996 (std11-fetch-field "from")
3997 (std11-fetch-field "date")
3998 (std11-fetch-field "message-id")
3999 (std11-fetch-field "references")
4002 (when xref (concat "Xref: " xref)))
4005 (defun gnus-article-prepare (article &optional all-headers header)
4006 "Prepare ARTICLE in article mode buffer.
4007 ARTICLE should either be an article number or a Message-ID.
4008 If ARTICLE is an id, HEADER should be the article headers.
4009 If ALL-HEADERS is non-nil, no headers are hidden."
4011 ;; Make sure we start in a summary buffer.
4012 (unless (eq major-mode 'gnus-summary-mode)
4013 (set-buffer gnus-summary-buffer))
4014 (setq gnus-summary-buffer (current-buffer))
4015 (let* ((gnus-article (if header (mail-header-number header) article))
4016 (summary-buffer (current-buffer))
4017 (gnus-tmp-internal-hook gnus-article-internal-prepare-hook)
4018 (group gnus-newsgroup-name)
4021 (gnus-article-setup-buffer)
4022 (set-buffer gnus-article-buffer)
4023 ;; Deactivate active regions.
4024 (when (and (boundp 'transient-mark-mode)
4025 transient-mark-mode)
4026 (setq mark-active nil))
4027 (if (not (setq result (let ((inhibit-read-only t))
4028 (gnus-request-article-this-buffer
4030 ;; There is no such article.
4032 (when (and (numberp article)
4033 (not (memq article gnus-newsgroup-sparse)))
4034 (setq gnus-article-current
4035 (cons gnus-newsgroup-name article))
4036 (set-buffer gnus-summary-buffer)
4037 (setq gnus-current-article article)
4038 (if (and (memq article gnus-newsgroup-undownloaded)
4039 (not (gnus-online (gnus-find-method-for-group
4040 gnus-newsgroup-name))))
4042 (gnus-summary-set-agent-mark article)
4043 (message "Message marked for downloading"))
4044 (gnus-summary-mark-article article gnus-canceled-mark)
4045 (unless (memq article gnus-newsgroup-sparse)
4046 (gnus-error 1 "No such article (may have expired or been canceled)")))))
4047 (if (or (eq result 'pseudo)
4048 (eq result 'nneething))
4051 (set-buffer summary-buffer)
4052 (push article gnus-newsgroup-history)
4053 (setq gnus-last-article gnus-current-article
4054 gnus-current-article 0
4055 gnus-current-headers nil
4056 gnus-article-current nil)
4057 (if (eq result 'nneething)
4058 (gnus-configure-windows 'summary)
4059 (gnus-configure-windows 'article))
4060 (gnus-set-global-variables))
4061 (let ((gnus-article-mime-handle-alist-1
4062 gnus-article-mime-handle-alist))
4063 (gnus-set-mode-line 'article)))
4064 ;; The result from the `request' was an actual article -
4065 ;; or at least some text that is now displayed in the
4067 (when (and (numberp article)
4068 (not (eq article gnus-current-article)))
4069 ;; Seems like a new article has been selected.
4070 ;; `gnus-current-article' must be an article number.
4072 (set-buffer summary-buffer)
4073 (push article gnus-newsgroup-history)
4074 (setq gnus-last-article gnus-current-article
4075 gnus-current-article article
4076 gnus-current-headers
4077 (gnus-summary-article-header gnus-current-article)
4078 gnus-article-current
4079 (cons gnus-newsgroup-name gnus-current-article))
4080 (unless (vectorp gnus-current-headers)
4081 (setq gnus-current-headers nil))
4082 (gnus-summary-goto-subject gnus-current-article)
4083 (when (gnus-summary-show-thread)
4084 ;; If the summary buffer really was folded, the
4085 ;; previous goto may not actually have gone to
4086 ;; the right article, but the thread root instead.
4088 (gnus-summary-goto-subject gnus-current-article))
4089 (gnus-run-hooks 'gnus-mark-article-hook)
4090 (gnus-set-mode-line 'summary)
4091 (when (gnus-visual-p 'article-highlight 'highlight)
4092 (gnus-run-hooks 'gnus-visual-mark-article-hook))
4093 ;; Set the global newsgroup variables here.
4094 (gnus-set-global-variables)
4095 (setq gnus-have-all-headers
4096 (or all-headers gnus-show-all-headers))))
4098 (gnus-configure-windows 'article))
4099 (when (or (numberp article)
4101 (gnus-article-prepare-display)
4103 (goto-char (point-min))
4104 (when gnus-break-pages
4105 (gnus-narrow-to-page)))
4106 (let ((gnus-article-mime-handle-alist-1
4107 gnus-article-mime-handle-alist))
4108 (gnus-set-mode-line 'article))
4112 (set-window-point (get-buffer-window (current-buffer)) (point))
4113 (gnus-configure-windows 'article)
4116 (defun gnus-article-prepare-mime-display (&optional number)
4117 (goto-char (point-min))
4118 (when (re-search-forward "^[^\t ]+:" nil t)
4119 (goto-char (match-beginning 0)))
4120 (let ((entity (if (eq 1 (point-min))
4121 (get-text-property 1 'mime-view-entity)
4122 (get-text-property (point) 'mime-view-entity)))
4123 last-entity child-entity next type)
4124 (setq child-entity (mime-entity-children entity))
4126 (setq last-entity (nth (1- (length child-entity))
4128 (setq last-entity entity))
4130 (narrow-to-region (point)
4131 (if (search-forward "\n\n" nil t)
4134 (gnus-treat-article 'head)
4135 (put-text-property (point-min) (point-max) 'article-treated-header t)
4136 (goto-char (point-max)))
4137 (while (and (not (eobp)) entity)
4138 (setq next (set-marker
4140 (next-single-property-change (point) 'mime-view-entity
4142 (let ((types (mime-entity-content-type entity)))
4143 (while (eq 'multipart (mime-content-type-primary-type types))
4144 (setq entity (car (mime-entity-children entity))
4145 types (mime-entity-content-type entity)))
4147 (setq type (format "%s/%s"
4148 (mime-content-type-primary-type types)
4149 (mime-content-type-subtype types)))))
4150 (if (string-equal type "message/rfc822")
4153 (let ((children (mime-entity-children entity))
4156 (setq last-children (nth (1- (length children)) children))
4159 (not (eq last-children
4160 (get-text-property next 'mime-view-entity)))
4162 (next-single-property-change next
4164 nil (point-max)))))))
4165 (setq next (next-single-property-change next 'mime-view-entity
4168 (narrow-to-region (point) next)
4169 (gnus-article-prepare-mime-display)
4170 (goto-char (point-max)))
4171 (setq entity (get-text-property (point) 'mime-view-entity)))
4173 (narrow-to-region (point) next)
4174 ;; Kludge. We have to count true number, but for now,
4175 ;; part number is here only to achieve `last'.
4176 (gnus-treat-article nil 1
4177 (if (eq entity last-entity)
4180 (goto-char (point-max)))
4181 (setq entity (get-text-property next 'mime-view-entity))))))
4184 (defun gnus-article-prepare-display ()
4185 "Make the current buffer look like a nice article."
4186 (let ((gnus-article-buffer (current-buffer))
4188 (inhibit-read-only t))
4189 (unless (eq major-mode 'gnus-article-mode)
4190 (gnus-article-mode))
4191 (setq buffer-read-only nil
4192 gnus-button-marker-list nil
4193 gnus-article-wash-types nil
4194 gnus-article-image-alist nil)
4197 (static-if (featurep 'xemacs)
4198 (map-extents (lambda (extent maparg) (delete-extent extent)))
4199 (let ((lists (overlay-lists)))
4200 (dolist (overlay (nconc (car lists) (cdr lists)))
4201 (delete-overlay overlay)))))
4202 (gnus-run-hooks 'gnus-tmp-internal-hook))
4203 (let ((show-mime (unless (member gnus-newsgroup-name '("nndraft:delayed"
4206 (inhibit-read-only t))
4207 (set-buffer gnus-original-article-buffer)
4209 (setq mime-message-structure gnus-current-headers)
4210 (mime-buffer-entity-set-buffer-internal mime-message-structure
4211 gnus-original-article-buffer)
4212 (mime-entity-set-representation-type-internal mime-message-structure
4213 'mime-buffer-entity)
4214 (luna-send mime-message-structure 'initialize-instance
4215 mime-message-structure)
4217 (let (mime-display-header-hook mime-display-text/plain-hook)
4218 (funcall gnus-article-display-method-for-mime))
4219 (funcall gnus-article-display-method-for-traditional))
4220 ;; Call the treatment functions.
4224 (gnus-article-prepare-mime-display)
4225 (narrow-to-region (goto-char (point-min))
4226 (if (search-forward "\n\n" nil t)
4229 (gnus-treat-article 'head)
4230 (put-text-property (point-min) (point-max) 'article-treated-header t)
4231 (goto-char (point-max))
4233 (narrow-to-region (point) (point-max))
4234 (gnus-treat-article nil))
4235 (put-text-property (point-min) (point-max) 'read-only nil)))
4236 (gnus-run-hooks 'gnus-article-prepare-hook))
4238 (defun gnus-article-decode-article-as-default-mime-charset ()
4239 "Decode an article as `default-mime-charset'. It won't work if the
4240 value of the variable `gnus-show-mime' is non-nil."
4241 (unless (or gnus-show-mime
4242 (member gnus-newsgroup-name '("nndraft:delayed"
4244 (set (make-local-variable 'default-mime-charset)
4245 (with-current-buffer gnus-summary-buffer
4246 default-mime-charset))
4247 (decode-mime-charset-region (point-min) (point-max)
4248 default-mime-charset)))
4251 ;;; Gnus MIME viewing functions
4254 (defvar gnus-mime-button-line-format "%{%([%p. %d%T]%)%}%e\n"
4255 "Format of the MIME buttons.
4257 Valid specifiers include:
4259 %T MIME type, along with additional info
4260 %n The `name' parameter
4261 %d The description, if any
4262 %l The length of the encoded part
4263 %p The part identifier number
4264 %e Dots if the part isn't displayed
4266 General format specifiers can also be used. See Info node
4267 `(gnus)Formatting Variables'.")
4269 (defvar gnus-mime-button-line-format-alist
4270 '((?t gnus-tmp-type ?s)
4271 (?T gnus-tmp-type-long ?s)
4272 (?n gnus-tmp-name ?s)
4273 (?d gnus-tmp-description ?s)
4275 (?l gnus-tmp-length ?d)
4276 (?e gnus-tmp-dots ?s)))
4278 (defvar gnus-mime-button-commands
4279 '((gnus-article-press-button "\r" "Toggle Display")
4280 (gnus-mime-view-part "v" "View Interactively...")
4281 (gnus-mime-view-part-as-type "t" "View As Type...")
4282 (gnus-mime-view-part-as-charset "C" "View As charset...")
4283 (gnus-mime-save-part "o" "Save...")
4284 (gnus-mime-save-part-and-strip "\C-o" "Save and Strip")
4285 (gnus-mime-delete-part "d" "Delete part")
4286 (gnus-mime-copy-part "c" "View As Text, In Other Buffer")
4287 (gnus-mime-inline-part "i" "View As Text, In This Buffer")
4288 (gnus-mime-view-part-internally "E" "View Internally")
4289 (gnus-mime-view-part-externally "e" "View Externally")
4290 (gnus-mime-print-part "p" "Print")
4291 (gnus-mime-pipe-part "|" "Pipe To Command...")
4292 (gnus-mime-action-on-part "." "Take action on the part...")))
4294 (defun gnus-article-mime-part-status ()
4295 (with-current-buffer gnus-article-buffer
4296 (let ((entity (get-text-property (point-min) 'mime-view-entity))
4299 (setq children (mime-entity-children entity))
4300 (setq children (length children)))
4303 (format " (%d parts)" children))
4306 (defvar gnus-mime-button-map
4307 (let ((map (make-sparse-keymap)))
4308 (define-key map gnus-mouse-2 'gnus-article-push-button)
4309 (define-key map gnus-down-mouse-3 'gnus-mime-button-menu)
4310 (dolist (c gnus-mime-button-commands)
4311 (define-key map (cadr c) (car c)))
4315 gnus-mime-button-menu gnus-mime-button-map "MIME button menu."
4317 ,@(mapcar (lambda (c)
4318 (vector (caddr c) (car c) :enable t))
4319 gnus-mime-button-commands)))
4321 (defun gnus-mime-button-menu (event prefix)
4322 "Construct a context-sensitive menu of MIME commands."
4323 (interactive "e\nP")
4324 (save-window-excursion
4325 (let ((pos (event-start event)))
4326 (select-window (posn-window pos))
4327 (goto-char (posn-point pos))
4328 (gnus-article-check-buffer)
4329 (popup-menu gnus-mime-button-menu nil prefix))))
4331 (defun gnus-mime-view-all-parts (&optional handles)
4332 "View all the MIME parts."
4334 (with-current-buffer gnus-article-buffer
4335 (let ((handles (or handles gnus-article-mime-handles))
4336 (mail-parse-charset gnus-newsgroup-charset)
4337 (mail-parse-ignored-charsets
4338 (with-current-buffer gnus-summary-buffer
4339 gnus-newsgroup-ignored-charsets)))
4341 (mm-remove-parts handles)
4342 (goto-char (point-min))
4343 (or (search-forward "\n\n") (goto-char (point-max)))
4344 (let ((inhibit-read-only t))
4345 (delete-region (point) (point-max))
4346 (mm-display-parts handles))))))
4349 (defsubst gnus-article-edit-part (handles)
4350 "Edit an article in order to delete a mime part.
4351 This function is exclusively used by `gnus-mime-save-part-and-strip'
4352 and `gnus-mime-delete-part', and not provided at run-time normally."
4353 (gnus-article-edit-article
4356 (let ((mail-parse-charset (or gnus-article-charset
4357 ',gnus-newsgroup-charset))
4358 (mail-parse-ignored-charsets
4359 (or gnus-article-ignored-charsets
4360 ',gnus-newsgroup-ignored-charsets))
4361 (mbl mml-buffer-list))
4362 (setq mml-buffer-list nil)
4363 (insert-buffer gnus-original-article-buffer)
4364 (mime-to-mml ',handles)
4365 (setq gnus-article-mime-handles nil)
4366 (let ((mbl1 mml-buffer-list))
4367 (setq mml-buffer-list mbl)
4368 (set (make-local-variable 'mml-buffer-list) mbl1))
4369 (gnus-make-local-hook 'kill-buffer-hook)
4370 (add-hook 'kill-buffer-hook 'mml-destroy-buffers t t)))
4371 `(lambda (no-highlight)
4372 (let ((mail-parse-charset (or gnus-article-charset
4373 ',gnus-newsgroup-charset))
4374 (message-options message-options)
4375 (message-options-set-recipient)
4376 (mail-parse-ignored-charsets
4377 (or gnus-article-ignored-charsets
4378 ',gnus-newsgroup-ignored-charsets)))
4380 (mml-destroy-buffers)
4381 (remove-hook 'kill-buffer-hook
4382 'mml-destroy-buffers t)
4383 (kill-local-variable 'mml-buffer-list))
4384 (gnus-summary-edit-article-done
4385 ,(or (mail-header-references gnus-current-headers) "")
4386 ,(gnus-group-read-only-p)
4387 ,gnus-summary-buffer no-highlight)))
4388 (gnus-article-edit-done)
4389 (gnus-summary-expand-window)
4390 (gnus-summary-show-article)))
4392 (defun gnus-mime-save-part-and-strip ()
4393 "Save the MIME part under point then replace it with an external body."
4395 (gnus-article-check-buffer)
4396 (when (gnus-group-read-only-p)
4397 (error "The current group does not support deleting of parts"))
4398 (when (mm-complicated-handles gnus-article-mime-handles)
4400 The current article has a complicated MIME structure, giving up..."))
4401 (when (gnus-yes-or-no-p "\
4402 Deleting parts may malfunction or destroy the article; continue? ")
4403 (let* ((data (get-text-property (point) 'gnus-data))
4405 (handles gnus-article-mime-handles))
4406 (setq file (and data (mm-save-part data)))
4408 (with-current-buffer (mm-handle-buffer data)
4410 (insert "Content-Type: " (mm-handle-media-type data))
4411 (mml-insert-parameter-string (cdr (mm-handle-type data))
4414 (insert "Content-ID: " (message-make-message-id) "\n")
4415 (insert "Content-Transfer-Encoding: binary\n")
4418 (cdr (mm-make-handle nil
4419 `("message/external-body"
4420 (access-type . "LOCAL-FILE")
4422 (set-buffer gnus-summary-buffer)
4423 (gnus-article-edit-part handles)))))
4425 (defun gnus-mime-delete-part ()
4426 "Delete the MIME part under point.
4427 Replace it with some information about the removed part."
4429 (gnus-article-check-buffer)
4430 (when (gnus-group-read-only-p)
4431 (error "The current group does not support deleting of parts"))
4432 (when (mm-complicated-handles gnus-article-mime-handles)
4434 The current article has a complicated MIME structure, giving up..."))
4435 (when (gnus-yes-or-no-p "\
4436 Deleting parts may malfunction or destroy the article; continue? ")
4437 (let* ((data (get-text-property (point) 'gnus-data))
4438 (handles gnus-article-mime-handles)
4442 (mail-decode-encoded-word-string (or (mm-handle-description data)
4445 (or (mail-content-type-get (mm-handle-disposition data) 'filename)
4447 (type (mm-handle-media-type data)))
4449 (error "No MIME part under point"))
4450 (with-current-buffer (mm-handle-buffer data)
4451 (let ((bsize (format "%s" (buffer-size))))
4456 "| The following attachment has been deleted:\n"
4458 "| Type: " type "\n"
4459 "| Filename: " filename "\n"
4460 "| Size (encoded): " bsize " Byte\n"
4461 "| Description: " description "\n"
4464 (cdr (mm-make-handle
4465 nil `("text/plain") nil nil
4467 (format "Deleted attachment (%s bytes)" bsize))))))
4468 (set-buffer gnus-summary-buffer)
4469 (gnus-article-edit-part handles))))
4471 (defun gnus-mime-save-part ()
4472 "Save the MIME part under point."
4474 (gnus-article-check-buffer)
4475 (let ((data (get-text-property (point) 'gnus-data)))
4477 (mm-save-part data))))
4479 (defun gnus-mime-pipe-part ()
4480 "Pipe the MIME part under point to a process."
4482 (gnus-article-check-buffer)
4483 (let ((data (get-text-property (point) 'gnus-data)))
4485 (mm-pipe-part data))))
4487 (defun gnus-mime-view-part ()
4488 "Interactively choose a viewing method for the MIME part under point."
4490 (gnus-article-check-buffer)
4491 (let ((data (get-text-property (point) 'gnus-data)))
4493 (setq gnus-article-mime-handles
4495 gnus-article-mime-handles (setq data (copy-sequence data))))
4496 (mm-interactively-view-part data))))
4498 (defun gnus-mime-view-part-as-type-internal ()
4499 (gnus-article-check-buffer)
4500 (let* ((name (mail-content-type-get
4501 (mm-handle-type (get-text-property (point) 'gnus-data))
4503 (def-type (and name (mm-default-file-encoding name))))
4504 (and def-type (cons def-type 0))))
4506 (defun gnus-mime-view-part-as-type (&optional mime-type)
4507 "Choose a MIME media type, and view the part as such."
4510 (setq mime-type (completing-read
4511 "View as MIME type: "
4512 (mapcar #'list (mailcap-mime-types))
4514 (gnus-mime-view-part-as-type-internal))))
4515 (gnus-article-check-buffer)
4516 (let ((handle (get-text-property (point) 'gnus-data)))
4519 (mm-make-handle (mm-handle-buffer handle)
4520 (cons mime-type (cdr (mm-handle-type handle)))
4521 (mm-handle-encoding handle)
4522 (mm-handle-undisplayer handle)
4523 (mm-handle-disposition handle)
4524 (mm-handle-description handle)
4526 (mm-handle-id handle)))
4527 (setq gnus-article-mime-handles
4528 (mm-merge-handles gnus-article-mime-handles handle))
4529 (gnus-mm-display-part handle))))
4532 (require 'jka-compr))
4534 ;; jka-compr.el uses a "sh -c" to direct stderr to err-file, but these days
4535 ;; emacs can do that itself.
4537 (defun gnus-mime-jka-compr-maybe-uncompress ()
4538 "Uncompress the current buffer if `auto-compression-mode' is enabled.
4539 The uncompress method used is derived from `buffer-file-name'."
4540 (when (and (fboundp 'jka-compr-installed-p)
4541 (jka-compr-installed-p))
4542 (let ((info (jka-compr-get-compression-info buffer-file-name)))
4544 (let ((basename (file-name-nondirectory buffer-file-name))
4545 (args (jka-compr-info-uncompress-args info))
4546 (prog (jka-compr-info-uncompress-program info))
4547 (message (jka-compr-info-uncompress-message info))
4548 (err-file (jka-compr-make-temp-name)))
4550 (message "%s %s..." message basename))
4552 (unless (memq (apply 'call-process-region
4553 (point-min) (point-max)
4555 t (list t err-file) nil
4557 jka-compr-acceptable-retval-list)
4558 (jka-compr-error prog args basename message err-file))
4559 (jka-compr-delete-temp-file err-file)))))))
4561 (defun gnus-mime-copy-part (&optional handle)
4562 "Put the MIME part under point into a new buffer.
4563 If `auto-compression-mode' is enabled, compressed files like .gz and .bz2
4566 (gnus-article-check-buffer)
4567 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4568 (contents (and handle (mm-get-part handle)))
4570 (file-name-nondirectory
4572 (mail-content-type-get (mm-handle-type handle) 'name)
4573 (mail-content-type-get (mm-handle-disposition handle)
4576 (buffer (and base (generate-new-buffer base))))
4578 (switch-to-buffer buffer)
4580 ;; We do it this way to make `normal-mode' set the appropriate mode.
4583 (setq buffer-file-name (expand-file-name base))
4584 (gnus-mime-jka-compr-maybe-uncompress)
4586 (setq buffer-file-name nil))
4587 (goto-char (point-min)))))
4589 (defun gnus-mime-print-part (&optional handle filename)
4590 "Print the MIME part under point."
4591 (interactive (list nil (ps-print-preprint current-prefix-arg)))
4592 (gnus-article-check-buffer)
4593 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4594 (contents (and handle (mm-get-part handle)))
4595 (file (mm-make-temp-file (expand-file-name "mm." mm-tmp-directory)))
4596 (printer (mailcap-mime-info (mm-handle-media-type handle) "print")))
4601 (mm-save-part-to-file handle file)
4602 (call-process shell-file-name nil
4603 (generate-new-buffer " *mm*")
4605 shell-command-switch
4607 printer file (mm-handle-type handle))))
4611 (gnus-print-buffer))
4612 (ps-despool filename)))))
4614 (defun gnus-mime-inline-part (&optional handle arg)
4615 "Insert the MIME part under point into the current buffer."
4616 (interactive (list nil current-prefix-arg))
4617 (gnus-article-check-buffer)
4618 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4621 (inhibit-read-only t))
4623 (if (and (not arg) (mm-handle-undisplayer handle))
4624 (mm-remove-part handle)
4625 (setq contents (mm-get-part handle))
4628 (setq charset (or (mail-content-type-get
4629 (mm-handle-type handle) 'charset)
4630 gnus-newsgroup-charset)))
4632 (if (mm-handle-undisplayer handle)
4633 (mm-remove-part handle))
4636 gnus-summary-show-article-charset-alist))
4637 (mm-read-coding-system "Charset: ")))))
4639 (mm-insert-inline handle
4641 (setq charset (mm-charset-to-coding-system
4643 (not (eq charset 'ascii)))
4644 (mm-decode-coding-string contents charset)
4648 (defun gnus-mime-view-part-as-charset (&optional handle arg)
4649 "Insert the MIME part under point into the current buffer using the
4651 (interactive (list nil current-prefix-arg))
4652 (gnus-article-check-buffer)
4653 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4656 (inhibit-read-only t))
4658 (if (mm-handle-undisplayer handle)
4659 (mm-remove-part handle))
4660 (let ((gnus-newsgroup-charset
4662 gnus-summary-show-article-charset-alist))
4663 (mm-read-coding-system "Charset: ")))
4664 (gnus-newsgroup-ignored-charsets 'gnus-all))
4665 (gnus-article-press-button)))))
4667 (defun gnus-mime-view-part-externally (&optional handle)
4668 "View the MIME part under point with an external viewer."
4670 (gnus-article-check-buffer)
4671 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4672 (mm-user-display-methods nil)
4673 (mm-inlined-types nil)
4674 (mail-parse-charset gnus-newsgroup-charset)
4675 (mail-parse-ignored-charsets
4676 (with-current-buffer gnus-summary-buffer
4677 gnus-newsgroup-ignored-charsets)))
4679 (if (mm-handle-undisplayer handle)
4680 (mm-remove-part handle)
4681 (mm-display-part handle)))))
4683 (defun gnus-mime-view-part-internally (&optional handle)
4684 "View the MIME part under point with an internal viewer.
4685 If no internal viewer is available, use an external viewer."
4687 (gnus-article-check-buffer)
4688 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4689 (mm-inlined-types '(".*"))
4690 (mm-inline-large-images t)
4691 (mail-parse-charset gnus-newsgroup-charset)
4692 (mail-parse-ignored-charsets
4693 (with-current-buffer gnus-summary-buffer
4694 gnus-newsgroup-ignored-charsets))
4695 (inhibit-read-only t))
4697 (if (mm-handle-undisplayer handle)
4698 (mm-remove-part handle)
4699 (mm-display-part handle)))))
4701 (defun gnus-mime-action-on-part (&optional action)
4702 "Do something with the MIME attachment at \(point\)."
4704 (list (completing-read "Action: " gnus-mime-action-alist nil t)))
4705 (gnus-article-check-buffer)
4706 (let ((action-pair (assoc action gnus-mime-action-alist)))
4708 (funcall (cdr action-pair)))))
4710 (defun gnus-article-part-wrapper (n function)
4711 (with-current-buffer gnus-article-buffer
4712 (when (> n (length gnus-article-mime-handle-alist))
4713 (error "No such part"))
4714 (gnus-article-goto-part n)
4715 (let ((handle (cdr (assq n gnus-article-mime-handle-alist))))
4716 (funcall function handle))))
4718 (defun gnus-article-pipe-part (n)
4719 "Pipe MIME part N, which is the numerical prefix."
4721 (gnus-article-part-wrapper n 'mm-pipe-part))
4723 (defun gnus-article-save-part (n)
4724 "Save MIME part N, which is the numerical prefix."
4726 (gnus-article-part-wrapper n 'mm-save-part))
4728 (defun gnus-article-interactively-view-part (n)
4729 "View MIME part N interactively, which is the numerical prefix."
4731 (gnus-article-part-wrapper n 'mm-interactively-view-part))
4733 (defun gnus-article-copy-part (n)
4734 "Copy MIME part N, which is the numerical prefix."
4736 (gnus-article-part-wrapper n 'gnus-mime-copy-part))
4738 (defun gnus-article-view-part-as-charset (n)
4739 "View MIME part N using a specified charset.
4740 N is the numerical prefix."
4742 (gnus-article-part-wrapper n 'gnus-mime-view-part-as-charset))
4744 (defun gnus-article-view-part-externally (n)
4745 "View MIME part N externally, which is the numerical prefix."
4747 (gnus-article-part-wrapper n 'gnus-mime-view-part-externally))
4749 (defun gnus-article-inline-part (n)
4750 "Inline MIME part N, which is the numerical prefix."
4752 (gnus-article-part-wrapper n 'gnus-mime-inline-part))
4754 (defun gnus-article-mime-match-handle-first (condition)
4757 (dolist (ihandle gnus-article-mime-handle-alist)
4759 ((functionp condition)
4760 (funcall condition (cdr ihandle)))
4761 ((eq condition 'undisplayed)
4762 (not (or (mm-handle-undisplayer (cdr ihandle))
4763 (equal (mm-handle-media-type (cdr ihandle))
4764 "multipart/alternative"))))
4765 ((eq condition 'undisplayed-alternative)
4766 (not (mm-handle-undisplayer (cdr ihandle))))
4768 (gnus-article-goto-part (car ihandle))
4769 (or (not n) (< (car ihandle) n)))
4770 (setq n (car ihandle))))
4774 (defun gnus-article-view-part (&optional n)
4775 "View MIME part N, which is the numerical prefix."
4777 (with-current-buffer gnus-article-buffer
4778 (or (numberp n) (setq n (gnus-article-mime-match-handle-first
4779 gnus-article-mime-match-handle-function)))
4780 (when (> n (length gnus-article-mime-handle-alist))
4781 (error "No such part"))
4782 (let ((handle (cdr (assq n gnus-article-mime-handle-alist))))
4783 (when (gnus-article-goto-part n)
4784 (if (equal (car handle) "multipart/alternative")
4785 (gnus-article-press-button)
4786 (when (eq (gnus-mm-display-part handle) 'internal)
4787 (gnus-set-window-start)))))))
4789 (defsubst gnus-article-mime-total-parts ()
4790 (if (bufferp (car gnus-article-mime-handles))
4792 (1- (length gnus-article-mime-handles))))
4794 (defun gnus-mm-display-part (handle)
4795 "Display HANDLE and fix MIME button."
4796 (let ((id (get-text-property (point) 'gnus-part))
4798 (inhibit-read-only t))
4801 (let ((window (selected-window))
4802 (mail-parse-charset gnus-newsgroup-charset)
4803 (mail-parse-ignored-charsets
4804 (if (gnus-buffer-live-p gnus-summary-buffer)
4805 (with-current-buffer gnus-summary-buffer
4806 gnus-newsgroup-ignored-charsets)
4810 (let ((win (gnus-get-buffer-window (current-buffer) t))
4813 (select-window win))
4816 (if (mm-handle-displayed-p handle)
4817 ;; This will remove the part.
4818 (mm-display-part handle)
4820 (narrow-to-region (point)
4821 (if (eobp) (point) (1+ (point))))
4822 (mm-display-part handle)
4823 ;; We narrow to the part itself and
4824 ;; then call the treatment functions.
4825 (goto-char (point-min))
4827 (narrow-to-region (point) (point-max))
4830 (gnus-article-mime-total-parts)
4831 (mm-handle-media-type handle)))))
4832 (if (window-live-p window)
4833 (select-window window)))))
4836 (gnus-insert-mime-button
4837 handle id (list (mm-handle-displayed-p handle)))
4838 (goto-char point))))
4840 (defun gnus-article-goto-part (n)
4841 "Go to MIME part N."
4842 (gnus-goto-char (text-property-any (point-min) (point-max) 'gnus-part n)))
4844 (defun gnus-insert-mime-button (handle gnus-tmp-id &optional displayed)
4845 (let ((gnus-tmp-name
4846 (or (mail-content-type-get (mm-handle-type handle) 'name)
4847 (mail-content-type-get (mm-handle-disposition handle) 'filename)
4848 (mail-content-type-get (mm-handle-type handle) 'url)
4850 (gnus-tmp-type (mm-handle-media-type handle))
4851 (gnus-tmp-description
4852 (mail-decode-encoded-word-string (or (mm-handle-description handle)
4855 (if (if displayed (car displayed)
4856 (mm-handle-displayed-p handle))
4858 (gnus-tmp-length (with-current-buffer (mm-handle-buffer handle)
4860 gnus-tmp-type-long b e)
4861 (when (string-match ".*/" gnus-tmp-name)
4862 (setq gnus-tmp-name (replace-match "" t t gnus-tmp-name)))
4863 (setq gnus-tmp-type-long (concat gnus-tmp-type
4864 (and (not (equal gnus-tmp-name ""))
4865 (concat "; " gnus-tmp-name))))
4866 (unless (equal gnus-tmp-description "")
4867 (setq gnus-tmp-type-long (concat " --- " gnus-tmp-type-long)))
4872 gnus-mime-button-line-format gnus-mime-button-line-format-alist
4873 `(keymap ,gnus-mime-button-map
4874 gnus-callback gnus-mm-display-part
4875 gnus-part ,gnus-tmp-id
4876 article-type annotation
4879 ;; Exclude a newline.
4882 (widget-convert-button
4885 :action 'gnus-widget-press-button
4886 :button-keymap gnus-mime-button-map
4888 (lambda (widget/window &optional overlay pos)
4889 ;; Needed to properly clear the message due to a bug in
4890 ;; wid-edit (XEmacs only).
4891 (if (boundp 'help-echo-owns-message)
4892 (setq help-echo-owns-message t))
4894 "%S: %s the MIME part; %S: more options"
4895 (aref gnus-mouse-2 0)
4896 ;; XEmacs will get a single widget arg; Emacs 21 will get
4897 ;; window, overlay, position.
4898 (if (mm-handle-displayed-p
4900 (with-current-buffer (gnus-overlay-buffer overlay)
4901 (widget-get (widget-at (gnus-overlay-start overlay))
4903 (widget-get widget/window :mime-handle)))
4905 (aref gnus-down-mouse-3 0))))))
4907 (defun gnus-widget-press-button (elems el)
4908 (goto-char (widget-get elems :from))
4909 (gnus-article-press-button))
4911 (defvar gnus-displaying-mime nil)
4913 (defun gnus-display-mime (&optional ihandles)
4914 "Display the MIME parts."
4916 (save-selected-window
4917 (let ((window (get-buffer-window gnus-article-buffer))
4920 (select-window window)
4921 ;; We have to do this since selecting the window
4922 ;; may change the point. So we set the window point.
4923 (set-window-point window point)))
4924 (let ((handles ihandles)
4925 (inhibit-read-only t)
4926 handle name type b e display)
4928 ((setq handles (mm-dissect-buffer nil gnus-article-loose-mime))
4929 (when gnus-article-emulate-mime
4930 (mm-uu-dissect-text-parts handles)))
4931 (gnus-article-emulate-mime
4932 (setq handles (mm-uu-dissect))))
4933 (when (and (not ihandles)
4934 (not gnus-displaying-mime))
4935 ;; Top-level call; we clean up.
4936 (when gnus-article-mime-handles
4937 (mm-destroy-parts gnus-article-mime-handles)
4938 (setq gnus-article-mime-handle-alist nil));; A trick.
4939 (setq gnus-article-mime-handles handles)
4940 ;; We allow users to glean info from the handles.
4941 (when gnus-article-mime-part-function
4942 (gnus-mime-part-function handles)))
4944 (or (not (stringp (car handles)))
4947 (when (and (not ihandles)
4948 (not gnus-displaying-mime))
4949 ;; Clean up for mime parts.
4951 (delete-region (point) (point-max)))
4952 (let ((gnus-displaying-mime t))
4953 (gnus-mime-display-part handles)))
4956 (narrow-to-region (point) (point-max))
4957 (gnus-treat-article nil 1 1)
4960 ;; Highlight the headers.
4964 (narrow-to-region (point-min) (point))
4965 (gnus-treat-article 'head))))))))
4967 (defcustom gnus-mime-display-multipart-as-mixed nil
4968 "Display \"multipart\" parts as \"multipart/mixed\".
4970 If t, it overrides nil values of
4971 `gnus-mime-display-multipart-alternative-as-mixed' and
4972 `gnus-mime-display-multipart-related-as-mixed'."
4973 :group 'gnus-article-mime
4976 (defcustom gnus-mime-display-multipart-alternative-as-mixed nil
4977 "Display \"multipart/alternative\" parts as \"multipart/mixed\"."
4979 :group 'gnus-article-mime
4982 (defcustom gnus-mime-display-multipart-related-as-mixed nil
4983 "Display \"multipart/related\" parts as \"multipart/mixed\".
4985 If displaying \"text/html\" is discouraged \(see
4986 `mm-discouraged-alternatives'\) images or other material inside a
4987 \"multipart/related\" part might be overlooked when this variable is nil."
4989 :group 'gnus-article-mime
4992 (defun gnus-mime-display-part (handle)
4995 ((not (stringp (car handle)))
4996 (gnus-mime-display-single handle))
4997 ;; User-defined multipart
4998 ((cdr (assoc (car handle) gnus-mime-multipart-functions))
4999 (funcall (cdr (assoc (car handle) gnus-mime-multipart-functions))
5001 ;; multipart/alternative
5002 ((and (equal (car handle) "multipart/alternative")
5003 (not (or gnus-mime-display-multipart-as-mixed
5004 gnus-mime-display-multipart-alternative-as-mixed)))
5005 (let ((id (1+ (length gnus-article-mime-handle-alist))))
5006 (push (cons id handle) gnus-article-mime-handle-alist)
5007 (gnus-mime-display-alternative (cdr handle) nil nil id)))
5008 ;; multipart/related
5009 ((and (equal (car handle) "multipart/related")
5010 (not (or gnus-mime-display-multipart-as-mixed
5011 gnus-mime-display-multipart-related-as-mixed)))
5012 ;;;!!!We should find the start part, but we just default
5013 ;;;!!!to the first part.
5014 ;;(gnus-mime-display-part (cadr handle))
5015 ;;;!!! Most multipart/related is an HTML message plus images.
5016 ;;;!!! Unfortunately we are unable to let W3 display those
5017 ;;;!!! included images, so we just display it as a mixed multipart.
5018 ;;(gnus-mime-display-mixed (cdr handle))
5019 ;;;!!! No, w3 can display everything just fine.
5020 (gnus-mime-display-part (cadr handle)))
5021 ((equal (car handle) "multipart/signed")
5022 (gnus-add-wash-type 'signed)
5023 (gnus-mime-display-security handle))
5024 ((equal (car handle) "multipart/encrypted")
5025 (gnus-add-wash-type 'encrypted)
5026 (gnus-mime-display-security handle))
5027 ;; Other multiparts are handled like multipart/mixed.
5029 (gnus-mime-display-mixed (cdr handle)))))
5031 (defun gnus-mime-part-function (handles)
5032 (if (stringp (car handles))
5033 (mapcar 'gnus-mime-part-function (cdr handles))
5034 (funcall gnus-article-mime-part-function handles)))
5036 (defun gnus-mime-display-mixed (handles)
5037 (mapcar 'gnus-mime-display-part handles))
5039 (defun gnus-mime-display-single (handle)
5040 (let ((type (mm-handle-media-type handle))
5041 (ignored gnus-ignored-mime-types)
5048 (when (string-match (pop ignored) type)
5049 (throw 'ignored nil)))
5050 (if (and (setq not-attachment
5051 (and (not (mm-inline-override-p handle))
5052 (or (not (mm-handle-disposition handle))
5053 (equal (car (mm-handle-disposition handle))
5055 (mm-attachment-override-p handle))))
5056 (mm-automatic-display-p handle)
5058 (mm-inlinable-p handle)
5059 (mm-inlined-p handle))
5060 (mm-automatic-external-display-p type)))
5062 (when (equal (mm-handle-media-supertype handle) "text")
5064 (let ((id (1+ (length gnus-article-mime-handle-alist)))
5066 (push (cons id handle) gnus-article-mime-handle-alist)
5067 (when (or (not display)
5068 (not (gnus-unbuttonized-mime-type-p type)))
5069 (gnus-insert-mime-button
5070 handle id (list (or display (and not-attachment text))))
5071 (gnus-article-insert-newline)
5072 ;; Remember modify the number of forward lines.
5080 (let ((mail-parse-charset gnus-newsgroup-charset)
5081 (mail-parse-ignored-charsets
5082 (save-excursion (condition-case ()
5083 (set-buffer gnus-summary-buffer)
5085 gnus-newsgroup-ignored-charsets)))
5086 (mm-display-part handle t))
5087 (goto-char (point-max)))
5088 ((and text not-attachment)
5092 (gnus-article-insert-newline)
5093 (mm-display-inline handle)
5094 (goto-char (point-max))))
5098 (narrow-to-region beg (point))
5101 (gnus-article-mime-total-parts)
5102 (mm-handle-media-type handle)))))))))
5104 (defun gnus-unbuttonized-mime-type-p (type)
5105 "Say whether TYPE is to be unbuttonized."
5106 (unless gnus-inhibit-mime-unbuttonizing
5108 (let ((types gnus-unbuttonized-mime-types))
5110 (when (string-match (pop types) type)
5111 (throw 'found t)))))
5113 (let ((types gnus-buttonized-mime-types))
5115 (when (string-match (pop types) type)
5116 (throw 'found t)))))))))
5118 (defun gnus-article-insert-newline ()
5119 "Insert a newline, but mark it as undeletable."
5120 (gnus-put-text-property
5121 (point) (progn (insert "\n") (point)) 'gnus-undeletable t))
5123 (defun gnus-mime-display-alternative (handles &optional preferred ibegend id)
5124 (let* ((preferred (or preferred (mm-preferred-alternative handles)))
5127 handle (inhibit-read-only t) from props begend not-pref)
5128 (save-window-excursion
5131 (narrow-to-region (car ibegend)
5134 (goto-char (car ibegend))
5137 (delete-region (point-min) (point-max))
5138 (mm-remove-parts handles))
5139 (setq begend (list (point-marker)))
5141 (unless (setq not-pref (cadr (member preferred ihandles)))
5142 (setq not-pref (car ihandles)))
5145 (not (gnus-unbuttonized-mime-type-p
5146 "multipart/alternative")))
5147 (gnus-add-text-properties
5150 (insert (format "%d. " id))
5154 (unless ,(not ibegend)
5155 (setq gnus-article-mime-handle-alist
5156 ',gnus-article-mime-handle-alist))
5157 (gnus-mime-display-alternative
5158 ',ihandles ',not-pref ',begend ,id))
5159 keymap ,gnus-mime-button-map
5160 ,gnus-mouse-face-prop ,gnus-article-mouse-face
5161 face ,gnus-article-button-face
5164 (widget-convert-button 'link from (point)
5165 :action 'gnus-widget-press-button
5166 :button-keymap gnus-widget-button-keymap)
5168 (while (setq handle (pop handles))
5169 (gnus-add-text-properties
5172 (insert (format "(%c) %-18s"
5173 (if (equal handle preferred) ?* ? )
5174 (mm-handle-media-type handle)))
5178 (unless ,(not ibegend)
5179 (setq gnus-article-mime-handle-alist
5180 ',gnus-article-mime-handle-alist))
5181 (gnus-mime-display-alternative
5182 ',ihandles ',handle ',begend ,id))
5183 keymap ,gnus-mime-button-map
5184 ,gnus-mouse-face-prop ,gnus-article-mouse-face
5185 face ,gnus-article-button-face
5188 (widget-convert-button 'link from (point)
5189 :action 'gnus-widget-press-button
5190 :button-keymap gnus-widget-button-keymap)
5194 (if (stringp (car preferred))
5195 (gnus-display-mime preferred)
5196 (let ((mail-parse-charset gnus-newsgroup-charset)
5197 (mail-parse-ignored-charsets
5198 (with-current-buffer gnus-summary-buffer
5199 gnus-newsgroup-ignored-charsets)))
5200 (mm-display-part preferred)
5204 (narrow-to-region (car begend) (point-max))
5206 nil (length gnus-article-mime-handle-alist)
5207 (gnus-article-mime-total-parts)
5208 (mm-handle-media-type handle))))))
5209 (goto-char (point-max))
5210 (setcdr begend (point-marker)))))
5212 (goto-char point))))
5214 (defconst gnus-article-wash-status-strings
5215 (let ((alist '((cite "c" "Possible hidden citation text"
5216 " " "All citation text visible")
5217 (headers "h" "Hidden headers"
5218 " " "All headers visible.")
5219 (pgp "p" "Encrypted or signed message status hidden"
5220 " " "No hidden encryption nor digital signature status")
5221 (signature "s" "Signature has been hidden"
5222 " " "Signature is visible")
5223 (overstrike "o" "Overstrike (^H) characters applied"
5224 " " "No overstrike characters applied")
5225 (gnus-show-mime "m" "Mime processing is activated"
5226 " " "Mime processing is not activated")
5227 (emphasis "e" "/*_Emphasis_*/ characters applied"
5228 " " "No /*_emphasis_*/ characters applied")))
5230 (dolist (entry alist result)
5231 (let ((key (nth 0 entry))
5232 (on (copy-sequence (nth 1 entry)))
5233 (on-help (nth 2 entry))
5234 (off (copy-sequence (nth 3 entry)))
5235 (off-help (nth 4 entry)))
5236 (put-text-property 0 1 'help-echo on-help on)
5237 (put-text-property 0 1 'help-echo off-help off)
5238 (push (list key on off) result))))
5239 "Alist of strings describing wash status in the mode line.
5240 Each entry has the form (KEY ON OF), where the KEY is a symbol
5241 representing the particular washing function, ON is the string to use
5242 in the article mode line when the washing function is active, and OFF
5243 is the string to use when it is inactive.")
5245 (defun gnus-article-wash-status-entry (key value)
5246 (let ((entry (assoc key gnus-article-wash-status-strings)))
5247 (if value (nth 1 entry) (nth 2 entry))))
5249 (defun gnus-article-wash-status ()
5250 "Return a string which display status of article washing."
5251 (with-current-buffer gnus-article-buffer
5252 (let ((cite (memq 'cite gnus-article-wash-types))
5253 (headers (memq 'headers gnus-article-wash-types))
5254 (boring (memq 'boring-headers gnus-article-wash-types))
5255 (pgp (memq 'pgp gnus-article-wash-types))
5256 (pem (memq 'pem gnus-article-wash-types))
5257 (signed (memq 'signed gnus-article-wash-types))
5258 (encrypted (memq 'encrypted gnus-article-wash-types))
5259 (signature (memq 'signature gnus-article-wash-types))
5260 (overstrike (memq 'overstrike gnus-article-wash-types))
5261 (emphasis (memq 'emphasis gnus-article-wash-types)))
5263 (gnus-article-wash-status-entry 'cite cite)
5264 (gnus-article-wash-status-entry 'headers (or headers boring))
5265 (gnus-article-wash-status-entry 'pgp (or pgp pem signed encrypted))
5266 (gnus-article-wash-status-entry 'signature signature)
5267 (gnus-article-wash-status-entry 'overstrike overstrike)
5268 (gnus-article-wash-status-entry 'gnus-show-mime gnus-show-mime)
5269 (gnus-article-wash-status-entry 'emphasis emphasis)))))
5271 (defun gnus-add-wash-type (type)
5272 "Add a washing of TYPE to the current status."
5273 (add-to-list 'gnus-article-wash-types type))
5275 (defun gnus-delete-wash-type (type)
5276 "Add a washing of TYPE to the current status."
5277 (setq gnus-article-wash-types (delq type gnus-article-wash-types)))
5279 (defun gnus-add-image (category image)
5280 "Add IMAGE of CATEGORY to the list of displayed images."
5281 (let ((entry (assq category gnus-article-image-alist)))
5283 (setq entry (list category))
5284 (push entry gnus-article-image-alist))
5285 (nconc entry (list image))))
5287 (defun gnus-delete-images (category)
5288 "Delete all images in CATEGORY."
5289 (let ((entry (assq category gnus-article-image-alist)))
5290 (dolist (image (cdr entry))
5291 (gnus-remove-image image category))
5292 (setq gnus-article-image-alist (delq entry gnus-article-image-alist))
5293 (gnus-delete-wash-type category)))
5295 (defalias 'gnus-article-hide-headers-if-wanted 'gnus-article-maybe-hide-headers)
5297 (defun gnus-article-maybe-hide-headers ()
5298 "Hide unwanted headers if `gnus-have-all-headers' is nil.
5299 Provided for backwards compatibility."
5300 (when (and (or (not (gnus-buffer-live-p gnus-summary-buffer))
5301 (not (with-current-buffer gnus-summary-buffer
5302 gnus-have-all-headers)))
5303 (not gnus-inhibit-hiding))
5304 (gnus-article-hide-headers)))
5308 (defun gnus-output-to-file (file-name)
5309 "Append the current article to a file named FILE-NAME."
5310 (let ((artbuf (current-buffer)))
5312 (insert-buffer-substring artbuf)
5313 ;; Append newline at end of the buffer as separator, and then
5315 (goto-char (point-max))
5317 (let ((file-name-coding-system nnmail-pathname-coding-system))
5318 (write-region-as-binary (point-min) (point-max) file-name 'append))
5321 (defun gnus-narrow-to-page (&optional arg)
5322 "Narrow the article buffer to a page.
5323 If given a numerical ARG, move forward ARG pages."
5325 (setq arg (if arg (prefix-numeric-value arg) 0))
5327 (set-buffer gnus-article-buffer)
5328 (goto-char (point-min))
5330 ;; Remove any old next/prev buttons.
5331 (when (gnus-visual-p 'page-marker)
5332 (let ((inhibit-read-only t))
5333 (gnus-remove-text-with-property 'gnus-prev)
5334 (gnus-remove-text-with-property 'gnus-next)))
5337 (re-search-backward page-delimiter nil 'move (1+ (abs arg))))
5339 (re-search-forward page-delimiter nil 'move arg)))
5340 (goto-char (match-end 0))
5342 (goto-char (point-min))
5343 (setq gnus-page-broken
5344 (and (re-search-forward page-delimiter nil t) t))))
5345 (when gnus-page-broken
5348 (if (re-search-forward page-delimiter nil 'move)
5351 (when (and (gnus-visual-p 'page-marker)
5352 (> (point-min) (save-restriction (widen) (point-min))))
5354 (goto-char (point-min))
5355 (gnus-insert-prev-page-button)))
5356 (when (and (gnus-visual-p 'page-marker)
5357 (< (+ (point-max) 2) (buffer-size)))
5359 (goto-char (point-max))
5360 (gnus-insert-next-page-button))))))
5362 ;; Article mode commands
5364 (defun gnus-article-goto-next-page ()
5365 "Show the next page of the article."
5367 (when (gnus-article-next-page)
5368 (goto-char (point-min))
5369 (gnus-article-read-summary-keys nil (gnus-character-to-event ?n))))
5372 (defun gnus-article-goto-prev-page ()
5373 "Show the previous page of the article."
5376 (gnus-article-read-summary-keys nil (gnus-character-to-event ?p))
5377 (gnus-article-prev-page nil)))
5379 ;; This is cleaner but currently breaks `gnus-pick-mode':
5381 ;; (defun gnus-article-goto-next-page ()
5382 ;; "Show the next page of the article."
5384 ;; (gnus-eval-in-buffer-window gnus-summary-buffer
5385 ;; (gnus-summary-next-page)))
5387 ;; (defun gnus-article-goto-prev-page ()
5388 ;; "Show the next page of the article."
5390 ;; (gnus-eval-in-buffer-window gnus-summary-buffer
5391 ;; (gnus-summary-prev-page)))
5393 (defun gnus-article-next-page (&optional lines)
5394 "Show the next page of the current article.
5395 If end of article, return non-nil. Otherwise return nil.
5396 Argument LINES specifies lines to be scrolled up."
5398 (move-to-window-line -1)
5401 (and (pos-visible-in-window-p) ;Not continuation line.
5402 (>= (1+ (point)) (point-max)))) ;Allow for trailing newline.
5403 ;; Nothing in this page.
5404 (if (or (not gnus-page-broken)
5409 (eobp)))) ;Real end-of-buffer?
5411 (when gnus-article-over-scroll
5412 (gnus-article-next-page-1 lines))
5414 (gnus-narrow-to-page 1) ;Go to next page.
5416 ;; More in this page.
5417 (gnus-article-next-page-1 lines)
5420 (defun gnus-article-next-page-1 (lines)
5421 (let ((scroll-in-place nil))
5425 ;; Long lines may cause an end-of-buffer error.
5426 (goto-char (point-max)))))
5427 (move-to-window-line 0))
5429 (defun gnus-article-prev-page (&optional lines)
5430 "Show previous page of current article.
5431 Argument LINES specifies lines to be scrolled down."
5433 (move-to-window-line 0)
5434 (if (and gnus-page-broken
5436 (not (save-restriction (widen) (bobp)))) ;Real beginning-of-buffer?
5438 (gnus-narrow-to-page -1) ;Go to previous page.
5439 (goto-char (point-max))
5441 (let ((scroll-in-place nil))
5445 (beginning-of-buffer
5446 (goto-char (point-min))))
5447 (move-to-window-line 0)))))
5449 (defun gnus-article-only-boring-p ()
5450 "Decide whether there is only boring text remaining in the article.
5451 Something \"interesting\" is a word of at least two letters that does
5452 not have a face in `gnus-article-boring-faces'."
5453 (when (and gnus-article-skip-boring
5454 (boundp 'gnus-article-boring-faces)
5455 (symbol-value 'gnus-article-boring-faces))
5458 (while (re-search-forward "\\b\\w\\w" nil t)
5460 (when (not (gnus-intersection
5461 (gnus-faces-at (point))
5462 (symbol-value 'gnus-article-boring-faces)))
5463 (throw 'only-boring nil)))
5464 (throw 'only-boring t)))))
5466 (defun gnus-article-refer-article ()
5467 "Read article specified by message-id around point."
5470 (re-search-backward "[ \t]\\|^" (point-at-bol) t)
5471 (re-search-forward "<?news:<?\\|<" (point-at-eol) t)
5472 (if (re-search-forward "[^@ ]+@[^ \t>]+" (point-at-eol) t)
5473 (let ((msg-id (concat "<" (match-string 0) ">")))
5474 (set-buffer gnus-summary-buffer)
5475 (gnus-summary-refer-article msg-id))
5476 (error "No references around point"))))
5478 (defun gnus-article-show-summary ()
5479 "Reconfigure windows to show summary buffer."
5481 (if (not (gnus-buffer-live-p gnus-summary-buffer))
5482 (error "There is no summary buffer for this article buffer")
5483 (gnus-article-set-globals)
5484 (gnus-configure-windows 'article)
5485 (gnus-summary-goto-subject gnus-current-article)
5486 (gnus-summary-position-point)))
5488 (defun gnus-article-describe-briefly ()
5489 "Describe article mode commands briefly."
5491 (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")))
5493 (defun gnus-article-summary-command ()
5494 "Execute the last keystroke in the summary buffer."
5496 (let ((obuf (current-buffer))
5497 (owin (current-window-configuration))
5499 (switch-to-buffer gnus-article-current-summary 'norecord)
5500 (setq func (lookup-key (current-local-map) (this-command-keys)))
5501 (call-interactively func)
5503 (set-window-configuration owin)
5504 (set-window-point (get-buffer-window (current-buffer)) (point))))
5506 (defun gnus-article-summary-command-nosave ()
5507 "Execute the last keystroke in the summary buffer."
5510 (pop-to-buffer gnus-article-current-summary 'norecord)
5511 (setq func (lookup-key (current-local-map) (this-command-keys)))
5512 (call-interactively func)))
5514 (defun gnus-article-check-buffer ()
5515 "Beep if not in an article buffer."
5516 (unless (eq (get-buffer gnus-article-buffer) (current-buffer))
5517 (error "Command invoked outside of a Gnus article buffer")))
5519 (defun gnus-article-read-summary-keys (&optional arg key not-restore-window)
5520 "Read a summary buffer key sequence and execute it from the article buffer."
5522 (gnus-article-check-buffer)
5524 '("q" "Q" "c" "r" "\C-c\C-f" "m" "a" "f"
5525 "Zc" "ZC" "ZE" "ZJ" "ZQ" "ZZ" "Zn" "ZR" "ZG" "ZN" "ZP"
5526 "=" "^" "\M-^" "|"))
5532 '("n" "Gn" "p" "Gp"))
5535 (set-buffer gnus-article-current-summary)
5536 (let (gnus-pick-mode)
5537 (push (or key last-command-event) unread-command-events)
5538 (setq keys (static-if (featurep 'xemacs)
5539 (events-to-keys (read-key-sequence nil))
5540 (read-key-sequence nil)))))
5543 (if (or (member keys nosaves)
5544 (member keys nosave-but-article)
5545 (member keys nosave-in-article))
5547 (save-window-excursion
5548 (pop-to-buffer gnus-article-current-summary 'norecord)
5549 ;; We disable the pick minor mode commands.
5550 (let (gnus-pick-mode)
5551 (setq func (lookup-key (current-local-map) keys))))
5555 (unless (member keys nosave-in-article)
5556 (set-buffer gnus-article-current-summary))
5557 (call-interactively func)
5558 (setq new-sum-point (point)))
5559 (when (member keys nosave-but-article)
5560 (pop-to-buffer gnus-article-buffer 'norecord)))
5561 ;; These commands should restore window configuration.
5562 (let ((obuf (current-buffer))
5563 (owin (current-window-configuration))
5565 win func in-buffer selected new-sum-start new-sum-hscroll)
5566 (cond (not-restore-window
5567 (pop-to-buffer gnus-article-current-summary 'norecord))
5568 ((setq win (get-buffer-window gnus-article-current-summary))
5569 (select-window win))
5571 (switch-to-buffer gnus-article-current-summary 'norecord)))
5572 (setq in-buffer (current-buffer))
5573 ;; We disable the pick minor mode commands.
5574 (if (and (setq func (let (gnus-pick-mode)
5575 (lookup-key (current-local-map) keys)))
5578 (call-interactively func)
5579 (when (eq win (selected-window))
5580 (setq new-sum-point (point)
5581 new-sum-start (window-start win)
5582 new-sum-hscroll (window-hscroll win))
5583 (when (eq in-buffer (current-buffer))
5584 (setq selected (gnus-summary-select-article))
5586 (unless not-restore-window
5587 (set-window-configuration owin))
5588 (when (eq selected 'old)
5590 (set-window-start (get-buffer-window (current-buffer))
5592 (set-window-point (get-buffer-window (current-buffer))
5594 (when (and (not not-restore-window)
5596 (set-window-point win new-sum-point)
5597 (set-window-start win new-sum-start)
5598 (set-window-hscroll win new-sum-hscroll)))))
5599 (set-window-configuration owin)
5602 (defun gnus-article-describe-key (key)
5603 "Display documentation of the function invoked by KEY. KEY is a string."
5604 (interactive "kDescribe key: ")
5605 (gnus-article-check-buffer)
5606 (if (eq (key-binding key) 'gnus-article-read-summary-keys)
5608 (set-buffer gnus-article-current-summary)
5609 (let (gnus-pick-mode)
5610 (if (featurep 'xemacs)
5612 (push (elt key 0) unread-command-events)
5613 (setq key (events-to-keys
5614 (read-key-sequence "Describe key: "))))
5615 (setq unread-command-events
5617 (lambda (x) (if (>= x 128) (list 'meta (- x 128)) x))
5619 (setq key (read-key-sequence "Describe key: "))))
5621 (describe-key key)))
5623 (defun gnus-article-describe-key-briefly (key &optional insert)
5624 "Display documentation of the function invoked by KEY. KEY is a string."
5625 (interactive "kDescribe key: \nP")
5626 (gnus-article-check-buffer)
5627 (if (eq (key-binding key) 'gnus-article-read-summary-keys)
5629 (set-buffer gnus-article-current-summary)
5630 (let (gnus-pick-mode)
5631 (if (featurep 'xemacs)
5633 (push (elt key 0) unread-command-events)
5634 (setq key (events-to-keys
5635 (read-key-sequence "Describe key: "))))
5636 (setq unread-command-events
5638 (lambda (x) (if (>= x 128) (list 'meta (- x 128)) x))
5640 (setq key (read-key-sequence "Describe key: "))))
5641 (describe-key-briefly key insert))
5642 (describe-key-briefly key insert)))
5644 (defun gnus-article-reply-with-original (&optional wide)
5645 "Start composing a reply mail to the current message.
5646 The text in the region will be yanked. If the region isn't active,
5647 the entire article will be yanked."
5649 (let ((article (cdr gnus-article-current))
5651 (if (not (gnus-region-active-p))
5652 (with-current-buffer gnus-summary-buffer
5653 (gnus-summary-reply (list (list article)) wide))
5654 (setq contents (buffer-substring (point) (mark t)))
5655 ;; Deactivate active regions.
5656 (when (and (boundp 'transient-mark-mode)
5657 transient-mark-mode)
5658 (setq mark-active nil))
5659 (with-current-buffer gnus-summary-buffer
5661 (list (list article contents)) wide)))))
5663 (defun gnus-article-followup-with-original ()
5664 "Compose a followup to the current article.
5665 The text in the region will be yanked. If the region isn't active,
5666 the entire article will be yanked."
5668 (let ((article (cdr gnus-article-current))
5670 (if (not (gnus-region-active-p))
5671 (with-current-buffer gnus-summary-buffer
5672 (gnus-summary-followup (list (list article))))
5673 (setq contents (buffer-substring (point) (mark t)))
5674 ;; Deactivate active regions.
5675 (when (and (boundp 'transient-mark-mode)
5676 transient-mark-mode)
5677 (setq mark-active nil))
5678 (with-current-buffer gnus-summary-buffer
5679 (gnus-summary-followup
5680 (list (list article contents)))))))
5682 (defun gnus-article-hide (&optional arg force)
5683 "Hide all the gruft in the current article.
5684 This means that signatures, cited text and (some) headers will be
5686 If given a prefix, show the hidden text instead."
5687 (interactive (append (gnus-article-hidden-arg) (list 'force)))
5688 (gnus-article-hide-headers arg)
5689 (gnus-article-hide-list-identifiers arg)
5690 (gnus-article-hide-citation-maybe arg force)
5691 (gnus-article-hide-signature arg))
5693 (defun gnus-article-maybe-highlight ()
5694 "Do some article highlighting if article highlighting is requested."
5695 (when (gnus-visual-p 'article-highlight 'highlight)
5696 (gnus-article-highlight-some)))
5698 (defun gnus-check-group-server ()
5699 ;; Make sure the connection to the server is alive.
5700 (unless (gnus-server-opened
5701 (gnus-find-method-for-group gnus-newsgroup-name))
5702 (gnus-check-server (gnus-find-method-for-group gnus-newsgroup-name))
5703 (gnus-request-group gnus-newsgroup-name t)))
5706 (autoload 'nneething-get-file-name "nneething"))
5708 (defun gnus-request-article-this-buffer (article group)
5709 "Get an article and insert it into this buffer."
5710 (let (do-update-line sparse-header)
5714 (gnus-kill-all-overlays)
5715 (setq group (or group gnus-newsgroup-name))
5717 ;; Using `gnus-request-article' directly will insert the article into
5718 ;; `nntp-server-buffer' - so we'll save some time by not having to
5719 ;; copy it from the server buffer into the article buffer.
5721 ;; We only request an article by message-id when we do not have the
5722 ;; headers for it, so we'll have to get those.
5723 (when (stringp article)
5724 (gnus-read-header article))
5726 ;; If the article number is negative, that means that this article
5727 ;; doesn't belong in this newsgroup (possibly), so we find its
5728 ;; message-id and request it by id instead of number.
5729 (when (and (numberp article)
5731 (get-buffer gnus-summary-buffer)
5732 (gnus-buffer-exists-p gnus-summary-buffer))
5734 (set-buffer gnus-summary-buffer)
5735 (let ((header (gnus-summary-article-header article)))
5738 ((memq article gnus-newsgroup-sparse)
5739 ;; This is a sparse gap article.
5740 (setq do-update-line article)
5741 (setq article (mail-header-id header))
5742 (setq sparse-header (gnus-read-header article))
5743 (setq gnus-newsgroup-sparse
5744 (delq article gnus-newsgroup-sparse)))
5746 ;; It's a real article.
5747 (setq article (mail-header-id header)))
5749 ;; It is an extracted pseudo-article.
5750 (setq article 'pseudo)
5751 (gnus-request-pseudo-article header))))
5753 (let ((method (gnus-find-method-for-group
5754 gnus-newsgroup-name)))
5755 (when (and (eq (car method) 'nneething)
5757 (let ((dir (nneething-get-file-name
5758 (mail-header-id header))))
5759 (when (and (stringp dir)
5760 (file-directory-p dir))
5761 (setq article 'nneething)
5762 (gnus-group-enter-directory dir))))))))
5765 ;; Refuse to select canceled articles.
5766 ((and (numberp article)
5768 (get-buffer gnus-summary-buffer)
5769 (gnus-buffer-exists-p gnus-summary-buffer)
5770 (eq (cdr (with-current-buffer gnus-summary-buffer
5771 (assq article gnus-newsgroup-reads)))
5772 gnus-canceled-mark))
5774 ;; We first check `gnus-original-article-buffer'.
5775 ((and (get-buffer gnus-original-article-buffer)
5777 (with-current-buffer gnus-original-article-buffer
5778 (and (equal (car gnus-original-article) group)
5779 (eq (cdr gnus-original-article) article))))
5780 (insert-buffer-substring gnus-original-article-buffer)
5782 ;; Check the backlog.
5783 ((and gnus-keep-backlog
5784 (gnus-backlog-request-article group article (current-buffer)))
5786 ;; Check asynchronous pre-fetch.
5787 ((gnus-async-request-fetched-article group article (current-buffer))
5788 (gnus-async-prefetch-next group article gnus-summary-buffer)
5789 (when (and (numberp article) gnus-keep-backlog)
5790 (gnus-backlog-enter-article group article (current-buffer)))
5793 ((and gnus-use-cache
5795 (gnus-cache-request-article article group))
5797 ;; Check the agent cache.
5798 ((gnus-agent-request-article article group)
5800 ;; Get the article and put into the article buffer.
5801 ((or (stringp article)
5803 (let ((gnus-override-method gnus-override-method)
5804 (methods (and (stringp article)
5805 gnus-refer-article-method))
5806 (backend (car (gnus-find-method-for-group
5807 gnus-newsgroup-name)))
5809 (inhibit-read-only t))
5810 (if (or (not (listp methods))
5811 (and (symbolp (car methods))
5812 (assq (car methods) nnoo-definition-alist)))
5813 (setq methods (list methods)))
5814 (when (and (null gnus-override-method)
5816 (setq gnus-override-method (pop methods)))
5818 (when (eq gnus-override-method 'current)
5819 (setq gnus-override-method
5820 (with-current-buffer gnus-summary-buffer
5821 gnus-current-select-method)))
5823 (gnus-kill-all-overlays)
5824 (let ((gnus-newsgroup-name group))
5825 (gnus-check-group-server))
5827 ((gnus-request-article article group (current-buffer))
5828 (when (numberp article)
5829 (gnus-async-prefetch-next group article
5830 gnus-summary-buffer)
5831 (when gnus-keep-backlog
5832 (gnus-backlog-enter-article
5833 group article (current-buffer))))
5834 (setq result 'article))
5836 (setq gnus-override-method (pop methods)))
5837 ((not (string-match "^400 "
5838 (nnheader-get-report backend)))
5839 ;; If we get 400 server disconnect, reconnect and
5840 ;; retry; otherwise, assume the article has expired.
5841 (setq result 'done))))
5842 (and (eq result 'article) 'article)))
5846 ;; Associate this article with the current summary buffer.
5847 (setq gnus-article-current-summary gnus-summary-buffer)
5849 ;; Take the article from the original article buffer
5850 ;; and place it in the buffer it's supposed to be in.
5851 (when (and (get-buffer gnus-article-buffer)
5852 (equal (buffer-name (current-buffer))
5853 (buffer-name (get-buffer gnus-article-buffer))))
5855 (if (get-buffer gnus-original-article-buffer)
5856 (set-buffer gnus-original-article-buffer)
5857 (set-buffer (gnus-get-buffer-create gnus-original-article-buffer))
5858 (buffer-disable-undo)
5859 (setq major-mode 'gnus-original-article-mode)
5860 (setq buffer-read-only t))
5861 (let ((inhibit-read-only t))
5863 (insert-buffer-substring gnus-article-buffer))
5864 (setq gnus-original-article (cons group article)))
5867 (run-hooks 'gnus-article-decode-hook)
5868 ;; Mark article as decoded or not.
5869 (setq gnus-article-decoded-p gnus-article-decode-hook))
5871 ;; Update sparse articles.
5872 (when (and do-update-line
5873 (or (numberp article)
5875 (let ((buf (current-buffer)))
5876 (set-buffer gnus-summary-buffer)
5877 (gnus-summary-update-article do-update-line sparse-header)
5878 (gnus-summary-goto-subject do-update-line nil t)
5879 (set-window-point (gnus-get-buffer-window (current-buffer) t)
5881 (set-buffer buf))))))
5887 (defcustom gnus-article-edit-mode-hook nil
5888 "Hook run in article edit mode buffers."
5889 :group 'gnus-article-various
5892 (defcustom gnus-article-edit-article-setup-function
5893 'gnus-article-mime-edit-article-setup
5894 "Function called to setup an editing article buffer."
5895 :group 'gnus-article-various
5898 (defvar gnus-article-edit-done-function nil)
5900 (defvar gnus-article-edit-mode-map nil)
5902 ;; Should we be using derived.el for this?
5903 (unless gnus-article-edit-mode-map
5904 (setq gnus-article-edit-mode-map (make-keymap))
5905 (set-keymap-parent gnus-article-edit-mode-map text-mode-map)
5907 (gnus-define-keys gnus-article-edit-mode-map
5908 "\C-c?" describe-mode
5909 "\C-c\C-c" gnus-article-edit-done
5910 "\C-c\C-k" gnus-article-edit-exit
5911 "\C-c\C-f\C-t" message-goto-to
5912 "\C-c\C-f\C-o" message-goto-from
5913 "\C-c\C-f\C-b" message-goto-bcc
5914 ;;"\C-c\C-f\C-w" message-goto-fcc
5915 "\C-c\C-f\C-c" message-goto-cc
5916 "\C-c\C-f\C-s" message-goto-subject
5917 "\C-c\C-f\C-r" message-goto-reply-to
5918 "\C-c\C-f\C-n" message-goto-newsgroups
5919 "\C-c\C-f\C-d" message-goto-distribution
5920 "\C-c\C-f\C-f" message-goto-followup-to
5921 "\C-c\C-f\C-m" message-goto-mail-followup-to
5922 "\C-c\C-f\C-k" message-goto-keywords
5923 "\C-c\C-f\C-u" message-goto-summary
5924 "\C-c\C-f\C-i" message-insert-or-toggle-importance
5925 "\C-c\C-f\C-a" message-generate-unsubscribed-mail-followup-to
5926 "\C-c\C-b" message-goto-body
5927 "\C-c\C-i" message-goto-signature
5929 "\C-c\C-t" message-insert-to
5930 "\C-c\C-n" message-insert-newsgroups
5931 "\C-c\C-o" message-sort-headers
5932 "\C-c\C-e" message-elide-region
5933 "\C-c\C-v" message-delete-not-region
5934 "\C-c\C-z" message-kill-to-signature
5935 "\M-\r" message-newline-and-reformat
5936 "\C-c\C-a" mml-attach-file
5937 "\C-a" message-beginning-of-line
5939 "\M-;" comment-region)
5941 (gnus-define-keys (gnus-article-edit-wash-map
5942 "\C-c\C-w" gnus-article-edit-mode-map)
5943 "f" gnus-article-edit-full-stops))
5946 gnus-article-edit-mode-field-menu gnus-article-edit-mode-map ""
5948 ["Fetch To" message-insert-to t]
5949 ["Fetch Newsgroups" message-insert-newsgroups t]
5951 ["To" message-goto-to t]
5952 ["From" message-goto-from t]
5953 ["Subject" message-goto-subject t]
5954 ["Cc" message-goto-cc t]
5955 ["Reply-To" message-goto-reply-to t]
5956 ["Summary" message-goto-summary t]
5957 ["Keywords" message-goto-keywords t]
5958 ["Newsgroups" message-goto-newsgroups t]
5959 ["Followup-To" message-goto-followup-to t]
5960 ["Mail-Followup-To" message-goto-mail-followup-to t]
5961 ["Distribution" message-goto-distribution t]
5962 ["Body" message-goto-body t]
5963 ["Signature" message-goto-signature t]))
5965 (define-derived-mode gnus-article-edit-mode message-mode "Article Edit"
5966 "Major mode for editing articles.
5967 This is an extended text-mode.
5969 \\{gnus-article-edit-mode-map}"
5970 (make-local-variable 'gnus-article-edit-done-function)
5971 (make-local-variable 'gnus-prev-winconf)
5972 (set (make-local-variable 'font-lock-defaults)
5973 '(message-font-lock-keywords t))
5974 (set (make-local-variable 'mail-header-separator) "")
5975 (set (make-local-variable 'gnus-article-edit-mode) t)
5976 (easy-menu-add message-mode-field-menu message-mode-map)
5977 (setq buffer-read-only nil)
5978 (buffer-enable-undo)
5981 (defun gnus-article-edit (&optional force)
5982 "Edit the current article.
5983 This will have permanent effect only in mail groups.
5984 If FORCE is non-nil, allow editing of articles even in read-only
5987 (when (and (not force)
5988 (gnus-group-read-only-p))
5989 (error "The current newsgroup does not support article editing"))
5990 (gnus-article-date-original)
5991 (gnus-article-edit-article
5993 `(lambda (no-highlight)
5995 (gnus-summary-edit-article-done
5996 ,(or (mail-header-references gnus-current-headers) "")
5997 ,(gnus-group-read-only-p) ,gnus-summary-buffer no-highlight))))
5999 (defun gnus-article-edit-article (start-func exit-func)
6000 "Start editing the contents of the current article buffer."
6001 (let ((winconf (current-window-configuration)))
6002 (set-buffer gnus-article-buffer)
6003 (let ((message-auto-save-directory
6004 ;; Don't associate the article buffer with a draft file.
6006 (gnus-article-edit-mode))
6007 (funcall start-func)
6008 (set-buffer-modified-p nil)
6009 (gnus-configure-windows 'edit-article)
6010 (setq gnus-article-edit-done-function exit-func)
6011 (setq gnus-prev-winconf winconf)
6012 (when gnus-article-edit-article-setup-function
6013 (funcall gnus-article-edit-article-setup-function))
6014 (gnus-message 6 "C-c C-c to end edits; C-c C-k to exit")))
6016 (defun gnus-article-edit-done (&optional arg)
6017 "Update the article edits and exit."
6019 (let ((func gnus-article-edit-done-function)
6020 (buf (current-buffer))
6021 (start (window-start))
6023 (winconf gnus-prev-winconf))
6024 (remove-hook 'gnus-article-mode-hook
6025 'gnus-article-mime-edit-article-unwind)
6026 (widen) ;; Widen it in case that users narrowed the buffer.
6029 ;; The cache and backlog have to be flushed somewhat.
6030 (when gnus-keep-backlog
6031 (gnus-backlog-remove-article
6032 (car gnus-article-current) (cdr gnus-article-current)))
6033 ;; Flush original article as well.
6035 (when (get-buffer gnus-original-article-buffer)
6036 (set-buffer gnus-original-article-buffer)
6037 (setq gnus-original-article nil)))
6038 (when gnus-use-cache
6039 (gnus-cache-update-article
6040 (car gnus-article-current) (cdr gnus-article-current)))
6041 ;; We remove all text props from the article buffer.
6042 (kill-all-local-variables)
6043 (set-text-properties (point-min) (point-max) nil)
6045 (set-window-configuration winconf)
6047 (set-window-start (get-buffer-window buf) start)
6048 (set-window-point (get-buffer-window buf) (point)))
6049 (gnus-summary-show-article))
6051 (defun gnus-article-edit-exit ()
6052 "Exit the article editing without updating."
6054 (when (or (not (buffer-modified-p))
6055 (yes-or-no-p "Article modified; kill anyway? "))
6056 (let ((curbuf (current-buffer))
6058 (window-start (window-start)))
6060 (if (gnus-buffer-live-p gnus-original-article-buffer)
6061 (insert-buffer-substring gnus-original-article-buffer))
6062 (let ((winconf gnus-prev-winconf))
6063 (kill-all-local-variables)
6065 (set-window-configuration winconf)
6066 ;; Tippy-toe some to make sure that point remains where it was.
6067 (save-current-buffer
6069 (set-window-start (get-buffer-window (current-buffer)) window-start)
6071 (gnus-summary-show-article)))
6073 (defun gnus-article-edit-full-stops ()
6074 "Interactively repair spacing at end of sentences."
6077 (goto-char (point-min))
6078 (search-forward-regexp "^$" nil t)
6079 (let ((case-fold-search nil))
6080 (query-replace-regexp "\\([.!?][])}]* \\)\\([[({A-Z]\\)" "\\1 \\2"))))
6083 ;;; Article editing with MIME-Edit
6086 (defcustom gnus-article-mime-edit-article-setup-hook nil
6087 "Hook run after setting up a MIME editing article buffer."
6088 :group 'gnus-article-various
6091 (defun gnus-article-mime-edit-article-unwind ()
6092 "Unwind `gnus-article-buffer' if article editing was given up."
6093 (remove-hook 'gnus-article-mode-hook 'gnus-article-mime-edit-article-unwind)
6094 (when (featurep 'font-lock)
6095 (setq font-lock-defaults nil)
6096 (font-lock-mode -1))
6097 (when mime-edit-mode-flag
6098 (mime-edit-exit 'nomime 'no-error)
6101 (defun gnus-article-mime-edit-article-setup ()
6102 "Convert current buffer to MIME-Edit buffer and turn on MIME-Edit mode
6103 after replacing with the original article."
6104 (setq gnus-show-mime t)
6105 (setq gnus-article-edit-done-function
6106 `(lambda (&rest args)
6107 (when mime-edit-mode-flag
6108 (let (mime-edit-insert-user-agent-field)
6111 (goto-char (point-min))
6112 (let (case-fold-search)
6113 (when (re-search-forward
6114 (format "^%s$" (regexp-quote mail-header-separator))
6116 (replace-match "")))
6117 (apply ,gnus-article-edit-done-function args)
6120 (buffer-substring-no-properties (point-min) (point-max))
6121 (set-buffer (get-buffer-create gnus-original-article-buffer))
6123 (setq gnus-current-headers (gnus-article-make-full-mail-header))
6124 (set-buffer gnus-article-buffer)
6125 (gnus-article-prepare-display)))
6126 (substitute-key-definition 'gnus-article-edit-done
6127 'gnus-article-mime-edit-done
6128 gnus-article-edit-mode-map)
6129 (substitute-key-definition 'gnus-article-edit-exit
6130 'gnus-article-mime-edit-exit
6131 gnus-article-edit-mode-map)
6133 (insert-buffer-substring gnus-original-article-buffer)
6134 (unless (member (with-current-buffer gnus-summary-buffer
6135 gnus-newsgroup-name)
6136 '("nndraft:delayed" "nndraft:drafts"))
6137 (let ((ofn (symbol-function 'mime-edit-decode-single-part-in-buffer)))
6138 (fset 'mime-edit-decode-single-part-in-buffer
6139 (lambda (&rest args)
6140 (if (let ((content-type (car args)))
6141 (and (eq 'message (mime-content-type-primary-type
6143 (eq 'rfc822 (mime-content-type-subtype
6145 (setcar (cdr args) 'not-decode-text))
6149 (fset 'mime-edit-decode-single-part-in-buffer ofn))))
6150 (when (featurep 'font-lock)
6151 (set (make-local-variable 'font-lock-defaults)
6152 '(message-font-lock-keywords t))
6153 (font-lock-set-defaults)
6154 (turn-on-font-lock))
6155 (set-buffer-modified-p nil)
6156 (delete-other-windows)
6157 (add-hook 'gnus-article-mode-hook 'gnus-article-mime-edit-article-unwind)
6158 (gnus-run-hooks 'gnus-article-mime-edit-article-setup-hook))
6160 (defun gnus-article-mime-edit-done (&optional arg)
6161 "Update the article MIME edits and exit."
6163 (when (featurep 'font-lock)
6164 (setq font-lock-defaults nil)
6165 (font-lock-mode -1))
6166 (let ((inhibit-read-only t))
6167 (gnus-article-edit-done arg)))
6169 (defun gnus-article-mime-edit-exit ()
6170 "Exit the article MIME editing without updating."
6172 (when (or (not (buffer-modified-p))
6173 (yes-or-no-p "Article modified; kill anyway? "))
6174 (when (featurep 'font-lock)
6175 (setq font-lock-defaults nil)
6176 (font-lock-mode -1))
6177 (when mime-edit-mode-flag
6178 (let (mime-edit-insert-user-agent-field)
6181 (goto-char (point-min))
6182 (let (case-fold-search)
6183 (when (re-search-forward
6184 (format "^%s$" (regexp-quote mail-header-separator)) nil t)
6185 (replace-match "")))
6186 (let ((winconf gnus-prev-winconf))
6188 (buffer-substring-no-properties (point-min) (point-max))
6189 (set-buffer (get-buffer-create gnus-original-article-buffer))
6191 (setq gnus-current-headers (gnus-article-make-full-mail-header))
6192 (set-buffer gnus-article-buffer)
6193 (gnus-article-prepare-display)
6194 (set-window-configuration winconf))))
6197 ;;; Article highlights
6200 ;; Written by Per Abrahamsen <abraham@iesd.auc.dk>.
6202 ;;; Internal Variables:
6204 (defcustom gnus-button-url-regexp
6205 (if (string-match "[[:digit:]]" "1") ;; support POSIX?
6206 "\\b\\(\\(www\\.\\|\\(s?https?\\|ftp\\|file\\|gopher\\|nntp\\|news\\|telnet\\|wais\\|mailto\\|info\\):\\)\\(//[-a-z0-9_.]+:[0-9]*\\)?[-a-z0-9_=!?#$@~%&*+\\/:;.,[:word:]]+[-a-z0-9_=#$@~%&*+\\/[:word:]]\\)"
6207 "\\b\\(\\(www\\.\\|\\(s?https?\\|ftp\\|file\\|gopher\\|nntp\\|news\\|telnet\\|wais\\|mailto\\|info\\):\\)\\(//[-a-z0-9_.]+:[0-9]*\\)?\\([-a-z0-9_=!?#$@~%&*+\\/:;.,]\\|\\w\\)+\\([-a-z0-9_=#$@~%&*+\\/]\\|\\w\\)\\)")
6208 "Regular expression that matches URLs."
6209 :group 'gnus-article-buttons
6212 (defcustom gnus-button-valid-fqdn-regexp
6213 message-valid-fqdn-regexp
6214 "Regular expression that matches a valid FQDN."
6216 :group 'gnus-article-buttons
6219 (defcustom gnus-button-man-handler 'manual-entry
6220 "Function to use for displaying man pages.
6221 The function must take at least one argument with a string naming the
6224 :type '(choice (function-item :tag "Man" manual-entry)
6225 (function-item :tag "Woman" woman)
6226 (function :tag "Other"))
6227 :group 'gnus-article-buttons)
6229 (defcustom gnus-ctan-url "http://tug.ctan.org/tex-archive/"
6230 "Top directory of a CTAN \(Comprehensive TeX Archive Network\) archive.
6231 If the default site is too slow, try to find a CTAN mirror, see
6232 <URL:http://tug.ctan.org/tex-archive/CTAN.sites?action=/index.html>. See also
6233 the variable `gnus-button-handle-ctan'."
6235 :group 'gnus-article-buttons
6236 :link '(custom-manual "(gnus)Group Parameters")
6237 :type '(choice (const "http://www.tex.ac.uk/tex-archive/")
6238 (const "http://tug.ctan.org/tex-archive/")
6239 (const "http://www.dante.de/CTAN/")
6240 (string :tag "Other")))
6242 (defcustom gnus-button-ctan-handler 'browse-url
6243 "Function to use for displaying CTAN links.
6244 The function must take one argument, the string naming the URL."
6246 :type '(choice (function-item :tag "Browse Url" browse-url)
6247 (function :tag "Other"))
6248 :group 'gnus-article-buttons)
6250 (defcustom gnus-button-handle-ctan-bogus-regexp "^/?tex-archive/\\|^/"
6251 "Bogus strings removed from CTAN URLs."
6253 :group 'gnus-article-buttons
6254 :type '(choice (const "^/?tex-archive/\\|/")
6255 (regexp :tag "Other")))
6257 (defcustom gnus-button-ctan-directory-regexp
6260 "biblio\\|digests\\|dviware\\|fonts\\|graphics\\|help\\|"
6261 "indexing\\|info\\|language\\|macros\\|support\\|systems\\|"
6262 "tds\\|tools\\|usergrps\\|web\\|nonfree\\|obsolete"
6264 "Regular expression for ctan directories.
6265 It should match all directories in the top level of `gnus-ctan-url'."
6267 :group 'gnus-article-buttons
6270 (defcustom gnus-button-mid-or-mail-regexp
6271 (concat "\\b\\(<?[a-z0-9$%(*-=?[_][^<>\")!;:,{}\n\t ]*@"
6272 ;; Felix Wiemann in <87oeuomcz9.fsf@news2.ososo.de>
6273 gnus-button-valid-fqdn-regexp
6275 "Regular expression that matches a message ID or a mail address."
6277 :group 'gnus-article-buttons
6280 (defcustom gnus-button-prefer-mid-or-mail 'gnus-button-mid-or-mail-heuristic
6281 "What to do when the button on a string as \"foo123@bar.invalid\" is pushed.
6282 Strings like this can be either a message ID or a mail address. If it is one
6283 of the symbols `mid' or `mail', Gnus will always assume that the string is a
6284 message ID or a mail address, respectively. If this variable is set to the
6285 symbol `ask', always query the user what do do. If it is a function, this
6286 function will be called with the string as it's only argument. The function
6287 must return `mid', `mail', `invalid' or `ask'."
6289 :group 'gnus-article-buttons
6290 :type '(choice (function-item :tag "Heuristic function"
6291 gnus-button-mid-or-mail-heuristic)
6296 (defcustom gnus-button-mid-or-mail-heuristic-alist
6297 '((-10.0 . ".+\\$.+@")
6300 (-5.0 . "\\+[^+]*\\+.*@") ;; # two plus signs
6301 (-5.0 . "@[Nn][Ee][Ww][Ss]") ;; /\@news/i
6302 (-5.0 . "@.*[Dd][Ii][Aa][Ll][Uu][Pp]") ;; /\@.*dialup/i;
6303 (-1.0 . "^[^a-z]+@")
6305 (-5.0 . "\\.[0-9][0-9]+.*@") ;; "\.[0-9]{2,}.*\@"
6306 (-5.0 . "[a-z].*[A-Z].*[a-z].*[A-Z].*@") ;; "([a-z].*[A-Z].*){2,}\@"
6307 (-3.0 . "[A-Z][A-Z][a-z][a-z].*@")
6308 (-5.0 . "\\...?.?@") ;; (-5.0 . "\..{1,3}\@")
6311 (-1.0 . "^[0-9][0-9]")
6313 ;; -3.0 /^[0-9][0-9a-fA-F]{2,2}/;
6314 (-3.0 . "^[0-9][0-9a-fA-F][0-9a-fA-F][^0-9a-fA-F]")
6315 ;; -5.0 /^[0-9][0-9a-fA-F]{3,3}/;
6316 (-5.0 . "^[0-9][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][^0-9a-fA-F]")
6318 (-3.0 . "[0-9][0-9][0-9][0-9][0-9][^0-9].*@") ;; "[0-9]{5,}.*\@"
6319 (-3.0 . "[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][^0-9].*@")
6322 . "[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9].*@")
6324 ;; compensation for TDMA dated mail addresses:
6325 (25.0 . "-dated-[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]+.*@")
6327 (-20.0 . "\\.fsf@") ;; Gnus
6330 (-20.0 . "_-_") ;; Subject change in thread
6332 (-20.0 . "\\.ln@") ;; leafnode
6333 (-30.0 . "@ID-[0-9]+\\.[a-zA-Z]+\\.dfncis\\.de")
6334 (-30.0 . "@4[Aa][Xx]\\.com") ;; Forte Agent
6336 ;; (5.0 . "") ;; $local_part_len <= 7
6337 (10.0 . "^[^0-9]+@")
6338 (3.0 . "^[^0-9]+[0-9][0-9]?[0-9]?@")
6339 ;; ^[^0-9]+[0-9]{1,3}\@ digits only at end of local part
6342 (2.0 . "[a-z][a-z][._-][A-Z][a-z].*@")
6344 (0.5 . "^[A-Z][a-z]")
6345 (0.5 . "^[A-Z][a-z][a-z]")
6346 (1.5 . "^[A-Z][a-z][A-Z][a-z][^a-z]") ;; ^[A-Z][a-z]{3,3}
6347 (2.0 . "^[A-Z][a-z][A-Z][a-z][a-z][^a-z]")) ;; ^[A-Z][a-z]{4,4}
6348 "An alist of \(RATE . REGEXP\) pairs for `gnus-button-mid-or-mail-heuristic'.
6350 A negative RATE indicates a message IDs, whereas a positive indicates a mail
6351 address. The REGEXP is processed with `case-fold-search' set to nil."
6353 :group 'gnus-article-buttons
6354 :type '(repeat (cons (number :tag "Rate")
6355 (regexp :tag "Regexp"))))
6357 (defun gnus-button-mid-or-mail-heuristic (mid-or-mail)
6358 "Guess whether MID-OR-MAIL is a message ID or a mail address.
6359 Returns `mid' if MID-OR-MAIL is a message IDs, `mail' if it's a mail
6360 address, `ask' if unsure and `invalid' if the string is invalid."
6361 (let ((case-fold-search nil)
6362 (list gnus-button-mid-or-mail-heuristic-alist)
6363 (result 0) rate regexp lpartlen elem)
6365 (length (gnus-replace-in-string mid-or-mail "^\\(.*\\)@.*$" "\\1")))
6366 (gnus-message 8 "`%s', length of local part=`%s'." mid-or-mail lpartlen)
6367 ;; Certain special cases...
6370 "^0[0-9]+-[0-9][0-9][0-9][0-9]@t-online\\.de$\\|"
6371 "^[0-9]+\\.[0-9]+@compuserve\\|"
6372 "@public\\.gmane\\.org")
6374 (gnus-message 8 "`%s' is a known mail address." mid-or-mail)
6375 (setq result 'mail))
6376 (when (string-match "@.*@\\| " mid-or-mail)
6377 (gnus-message 8 "`%s' is invalid." mid-or-mail)
6378 (setq result 'invalid))
6379 ;; Nothing more to do, if result is not a number here...
6380 (when (numberp result)
6382 (setq elem (car list)
6386 (when (string-match regexp mid-or-mail)
6387 (setq result (+ result rate))
6389 9 "`%s' matched `%s', rate `%s', result `%s'."
6390 mid-or-mail regexp rate result)))
6391 (when (<= lpartlen 7)
6392 (setq result (+ result 5.0))
6393 (gnus-message 9 "`%s' matched (<= lpartlen 7), result `%s'."
6394 mid-or-mail result))
6395 (when (>= lpartlen 12)
6396 (gnus-message 9 "`%s' matched (>= lpartlen 12)" mid-or-mail)
6398 ((string-match "[0-9][^0-9]+[0-9].*@" mid-or-mail)
6399 ;; Long local part should contain realname if e-mail address,
6400 ;; too many digits: message-id.
6401 ;; $score -= 5.0 + 0.1 * $local_part_len;
6402 (setq rate (* -1.0 (+ 5.0 (* 0.1 lpartlen))))
6403 (setq result (+ result rate))
6405 9 "Many digits in `%s', rate `%s', result `%s'."
6406 mid-or-mail rate result))
6407 ((string-match "[^aeiouy][^aeiouy][^aeiouy][^aeiouy]+.*\@"
6409 ;; Too few vowels [^aeiouy]{4,}.*\@
6410 (setq result (+ result -5.0))
6412 9 "Few vowels in `%s', rate `%s', result `%s'."
6413 mid-or-mail -5.0 result))
6415 (setq result (+ result 5.0))
6417 9 "`%s', rate `%s', result `%s'." mid-or-mail 5.0 result)))))
6418 (gnus-message 8 "`%s': Final rate is `%s'." mid-or-mail result)
6419 ;; Maybe we should make this a customizable alist: (condition . 'result)
6421 ((symbolp result) result)
6422 ;; Now convert number into proper results:
6423 ((< result -10.0) 'mid)
6424 ((> result 10.0) 'mail)
6427 (defun gnus-button-handle-mid-or-mail (mid-or-mail)
6428 (let* ((pref gnus-button-prefer-mid-or-mail) guessed
6429 (url-mid (concat "news" ":" mid-or-mail))
6430 (url-mailto (concat "mailto" ":" mid-or-mail)))
6431 (gnus-message 9 "mid-or-mail=%s" mid-or-mail)
6432 (when (fboundp pref)
6434 ;; get rid of surrounding angles...
6436 (gnus-replace-in-string mid-or-mail "^<\\|>$" "")))
6437 (if (or (eq 'mid guessed) (eq 'mail guessed))
6441 (save-window-excursion
6442 (if (y-or-n-p (concat "Is <" mid-or-mail "> a mail address? "))
6445 (cond ((eq pref 'mid)
6446 (gnus-message 8 "calling `gnus-button-handle-news' %s" url-mid)
6447 (gnus-button-handle-news url-mid))
6449 (gnus-message 8 "calling `gnus-url-mailto' %s" url-mailto)
6450 (gnus-url-mailto url-mailto))
6451 (t (gnus-message 3 "Invalid string.")))))
6453 (defun gnus-button-handle-custom (url)
6454 "Follow a Custom URL."
6455 (customize-apropos (gnus-url-unhex-string url)))
6457 (defvar gnus-button-handle-describe-prefix "^\\(C-h\\|<?[Ff]1>?\\)")
6459 ;; FIXME: Maybe we should merge some of the functions that do quite similar
6462 (defun gnus-button-handle-describe-function (url)
6463 "Call `describe-function' when pushing the corresponding URL button."
6466 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))))
6468 (defun gnus-button-handle-describe-variable (url)
6469 "Call `describe-variable' when pushing the corresponding URL button."
6472 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))))
6474 (defun gnus-button-handle-symbol (url)
6475 "Display help on variable or function.
6476 Calls `describe-variable' or `describe-function'."
6477 (let ((sym (intern url)))
6479 ((fboundp sym) (describe-function sym))
6480 ((boundp sym) (describe-variable sym))
6481 (t (gnus-message 3 "`%s' is not a known function of variable." url)))))
6483 (defun gnus-button-handle-describe-key (url)
6484 "Call `describe-key' when pushing the corresponding URL button."
6486 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))
6487 (keys (ignore-errors (eval `(kbd ,key-string)))))
6490 (gnus-message 3 "Invalid key sequence in button: %s" key-string))))
6492 (defun gnus-button-handle-apropos (url)
6493 "Call `apropos' when pushing the corresponding URL button."
6494 (apropos (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6496 (defun gnus-button-handle-apropos-command (url)
6497 "Call `apropos' when pushing the corresponding URL button."
6499 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6501 (defun gnus-button-handle-apropos-variable (url)
6502 "Call `apropos' when pushing the corresponding URL button."
6504 (if (fboundp 'apropos-variable) 'apropos-variable 'apropos)
6505 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6507 (defun gnus-button-handle-apropos-documentation (url)
6508 "Call `apropos' when pushing the corresponding URL button."
6510 (if (fboundp 'apropos-documentation) 'apropos-documentation 'apropos)
6511 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6513 (defun gnus-button-handle-library (url)
6514 "Call `locate-library' when pushing the corresponding URL button."
6515 (gnus-message 9 "url=`%s'" url)
6516 (let* ((lib (locate-library url))
6517 (file (gnus-replace-in-string (or lib "") "\.elc" ".el")))
6519 (gnus-message 1 "Cannot locale library `%s'." url)
6520 (find-file-read-only file))))
6522 (defun gnus-button-handle-ctan (url)
6523 "Call `browse-url' when pushing a CTAN URL button."
6525 gnus-button-ctan-handler
6528 (gnus-replace-in-string url gnus-button-handle-ctan-bogus-regexp ""))))
6530 (defcustom gnus-button-tex-level 5
6531 "*Integer that says how many TeX-related buttons Gnus will show.
6532 The higher the number, the more buttons will appear and the more false
6533 positives are possible. Note that you can set this variable local to
6534 specific groups. Setting it higher in TeX groups is probably a good idea.
6535 See Info node `(gnus)Group Parameters' and the variable `gnus-parameters' on
6536 how to set variables in specific groups."
6538 :group 'gnus-article-buttons
6539 :link '(custom-manual "(gnus)Group Parameters")
6542 (defcustom gnus-button-man-level 5
6543 "*Integer that says how many man-related buttons Gnus will show.
6544 The higher the number, the more buttons will appear and the more false
6545 positives are possible. Note that you can set this variable local to
6546 specific groups. Setting it higher in Unix groups is probably a good idea.
6547 See Info node `(gnus)Group Parameters' and the variable `gnus-parameters' on
6548 how to set variables in specific groups."
6550 :group 'gnus-article-buttons
6551 :link '(custom-manual "(gnus)Group Parameters")
6554 (defcustom gnus-button-emacs-level 5
6555 "*Integer that says how many emacs-related buttons Gnus will show.
6556 The higher the number, the more buttons will appear and the more false
6557 positives are possible. Note that you can set this variable local to
6558 specific groups. Setting it higher in Emacs or Gnus related groups is
6559 probably a good idea. See Info node `(gnus)Group Parameters' and the variable
6560 `gnus-parameters' on how to set variables in specific groups."
6562 :group 'gnus-article-buttons
6563 :link '(custom-manual "(gnus)Group Parameters")
6566 (defcustom gnus-button-message-level 5
6567 "*Integer that says how many buttons for news or mail messages will appear.
6568 The higher the number, the more buttons will appear and the more false
6569 positives are possible."
6570 ;; mail addresses, MIDs, URLs for news, ...
6572 :group 'gnus-article-buttons
6575 (defcustom gnus-button-browse-level 5
6576 "*Integer that says how many buttons for browsing will appear.
6577 The higher the number, the more buttons will appear and the more false
6578 positives are possible."
6579 ;; stuff handled by `browse-url' or `gnus-button-embedded-url'
6581 :group 'gnus-article-buttons
6584 (defcustom gnus-button-alist
6585 '(("<\\(url:[>\n\t ]*?\\)?\\(nntp\\|news\\):[>\n\t ]*\\([^>\n\t ]*@[^>\n\t ]*\\)>"
6586 0 (>= gnus-button-message-level 0) gnus-button-handle-news 3)
6587 ("\\b\\(nntp\\|news\\):\\([^>\n\t ]*@[^>)!;:,\n\t ]*\\)" 0 t
6588 gnus-button-handle-news 2)
6589 ("\\(\\b<\\(url:[>\n\t ]*\\)?\\(nntp\\|news\\):[>\n\t ]*\\(//\\)?\\([^>\n\t ]*\\)>\\)"
6590 1 (>= gnus-button-message-level 0) gnus-button-fetch-group 5)
6591 ("\\b\\(nntp\\|news\\):\\(//\\)?\\([^'\">\n\t ]+\\)"
6592 0 (>= gnus-button-message-level 0) gnus-button-fetch-group 3)
6593 ;; RFC 2392 (Don't allow `/' in domain part --> CID)
6594 ("\\bmid:\\(//\\)?\\([^'\">\n\t ]+@[^'\">\n\t /]+\\)"
6595 0 (>= gnus-button-message-level 0) gnus-button-message-id 2)
6596 ("\\bin\\( +article\\| +message\\)? +\\(<\\([^\n @<>]+@[^\n @<>]+\\)>\\)"
6597 2 (>= gnus-button-message-level 0) gnus-button-message-id 3)
6598 ("\\(<URL: *\\)mailto: *\\([^> \n\t]+\\)>"
6599 0 (>= gnus-button-message-level 0) gnus-url-mailto 2)
6600 ;; RFC 2368 (The mailto URL scheme)
6601 ("\\bmailto:\\([-a-z.@_+0-9%=?&/]+\\)"
6602 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
6603 ("\\bmailto:\\([^ \n\t]+\\)"
6604 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
6606 ((concat "\\bCTAN:[ \t\n]?[^>)!;:,'\n\t ]*\\("
6607 gnus-button-ctan-directory-regexp
6608 "[^][>)!;:,'\n\t ]+\\)")
6609 0 (>= gnus-button-tex-level 1) gnus-button-handle-ctan 1)
6610 ((concat "\\btex-archive/\\("
6611 gnus-button-ctan-directory-regexp
6612 "/[-_.a-z0-9/]+[-_./a-z0-9]+[/a-z0-9]\\)")
6613 1 (>= gnus-button-tex-level 6) gnus-button-handle-ctan 1)
6616 gnus-button-ctan-directory-regexp
6617 "/[-_.a-z0-9]+/[-_./a-z0-9]+[/a-z0-9]\\)")
6618 1 (>= gnus-button-tex-level 8) gnus-button-handle-ctan 1)
6619 ;; This is info (home-grown style) <info://foo/bar+baz>
6620 ("\\binfo://\\([^'\">\n\t ]+\\)"
6621 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url 1)
6622 ;; Info GNOME style <info:foo#bar_baz>
6623 ("\\binfo:\\([^('\n\t\r \"><][^'\n\t\r \"><]*\\)"
6624 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url-gnome 1)
6625 ;; Info KDE style <info:(foo)bar baz>
6626 ("<\\(info:\\(([^)]+)[^>\n\r]*\\)\\)>"
6627 1 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url-kde 2)
6628 ("\\((Info-goto-node\\|(info\\)[ \t\n]*\\(\"[^\"]*\"\\))" 0
6629 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url 2)
6630 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+i[ \t\n]+d?[ \t\n]?m[ \t\n]+\\([^ ]+ ?[^ ]+\\)[ \t\n]+RET"
6631 ;; Info links like `C-h i d m CC Mode RET'
6632 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-keystrokes 2)
6634 ("\\bcustom:\\(//\\)?\\([^'\">\n\t ]+\\)"
6635 0 (>= gnus-button-emacs-level 5) gnus-button-handle-custom 2)
6636 ("M-x[ \t\n]customize-[^ ]+[ \t\n]RET[ \t\n]\\([^ ]+\\)[ \t\n]RET" 0
6637 (>= gnus-button-emacs-level 1) gnus-button-handle-custom 1)
6638 ;; Emacs help commands
6639 ("M-x[ \t\n]+apropos[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6640 ;; regexp doesn't match arguments containing ` '.
6641 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos 1)
6642 ("M-x[ \t\n]+apropos-command[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6643 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-command 1)
6644 ("M-x[ \t\n]+apropos-variable[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6645 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-variable 1)
6646 ("M-x[ \t\n]+apropos-documentation[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6647 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-documentation 1)
6648 ;; The following entries may lead to many false positives so don't enable
6649 ;; them by default (use a high button level).
6650 ("/\\([a-z][-a-z0-9]+\\.el\\)\\>[^.?]"
6651 ;; Exclude [.?] for URLs in gmane.emacs.cvs
6652 1 (>= gnus-button-emacs-level 8) gnus-button-handle-library 1)
6653 ("`\\([a-z][-a-z0-9]+\\.el\\)'"
6654 1 (>= gnus-button-emacs-level 8) gnus-button-handle-library 1)
6655 ("`\\([a-z][a-z0-9]+-[a-z]+-[-a-z]+\\|\\(gnus\\|message\\)-[-a-z]+\\)'"
6656 0 (>= gnus-button-emacs-level 8) gnus-button-handle-symbol 1)
6657 ("`\\([a-z][a-z0-9]+-[a-z]+\\)'"
6658 0 (>= gnus-button-emacs-level 9) gnus-button-handle-symbol 1)
6659 ("(setq[ \t\n]+\\([a-z][a-z0-9]+-[-a-z0-9]+\\)[ \t\n]+.+)"
6660 1 (>= gnus-button-emacs-level 7) gnus-button-handle-describe-variable 1)
6661 ("\\bM-x[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6662 1 (>= gnus-button-emacs-level 7) gnus-button-handle-describe-function 1)
6663 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+f[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6664 0 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-function 2)
6665 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+v[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6666 0 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-variable 2)
6667 ("`\\(\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+k[ \t\n]+\\([^']+\\)\\)'"
6668 ;; Unlike the other regexps we really have to require quoting
6669 ;; here to determine where it ends.
6670 1 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-key 3)
6671 ;; This is how URLs _should_ be embedded in text (RFC 1738, RFC 2396)...
6672 ("<URL: *\\([^<>]*\\)>"
6673 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
6674 ;; RFC 2396 (2.4.3., delims) ...
6675 ("\"URL: *\\([^\"]*\\)\""
6676 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
6677 ;; RFC 2396 (2.4.3., delims) ...
6678 ("\"URL: *\\([^\"]*\\)\""
6679 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
6681 (gnus-button-url-regexp
6682 0 (>= gnus-button-browse-level 0) browse-url 0)
6684 ("\\b\\([a-z][a-z]+([1-9])\\)\\W"
6685 0 (and (>= gnus-button-man-level 1) (< gnus-button-man-level 3))
6686 gnus-button-handle-man 1)
6687 ;; more man pages: resolv.conf(5), iso_8859-1(7), xterm(1x)
6688 ("\\b\\([a-z][-_.a-z0-9]+([1-9])\\)\\W"
6689 0 (and (>= gnus-button-man-level 3) (< gnus-button-man-level 5))
6690 gnus-button-handle-man 1)
6691 ;; even more: Apache::PerlRun(3pm), PDL::IO::FastRaw(3pm),
6692 ;; SoWWWAnchor(3iv), XSelectInput(3X11), X(1), X(7)
6693 ("\\b\\(\\(?:[a-z][-+_.:a-z0-9]+([1-9][X1a-z]*)\\)\\|\\b\\(?:X([1-9])\\)\\)\\W"
6694 0 (>= gnus-button-man-level 5) gnus-button-handle-man 1)
6695 ;; MID or mail: To avoid too many false positives we don't try to catch
6696 ;; all kind of allowed MIDs or mail addresses. Domain part must contain
6697 ;; at least one dot. TLD must contain two or three chars or be a know TLD
6698 ;; (info|name|...). Put this entry near the _end_ of `gnus-button-alist'
6699 ;; so that non-ambiguous entries (see above) match first.
6700 (gnus-button-mid-or-mail-regexp
6701 0 (>= gnus-button-message-level 5) gnus-button-handle-mid-or-mail 1))
6702 "*Alist of regexps matching buttons in article bodies.
6704 Each entry has the form (REGEXP BUTTON FORM CALLBACK PAR...), where
6705 REGEXP: is the string (case insensitive) matching text around the button (can
6706 also be Lisp expression evaluating to a string),
6707 BUTTON: is the number of the regexp grouping actually matching the button,
6708 FORM: is a Lisp expression which must eval to true for the button to
6710 CALLBACK: is the function to call when the user push this button, and each
6711 PAR: is a number of a regexp grouping whose text will be passed to CALLBACK.
6713 CALLBACK can also be a variable, in that case the value of that
6714 variable it the real callback function."
6715 :group 'gnus-article-buttons
6716 :type '(repeat (list (choice regexp variable sexp)
6717 (integer :tag "Button")
6719 (function :tag "Callback")
6722 (integer :tag "Regexp group")))))
6724 (defcustom gnus-header-button-alist
6725 '(("^\\(References\\|Message-I[Dd]\\|^In-Reply-To\\):" "<[^<>]+>"
6726 0 (>= gnus-button-message-level 0) gnus-button-message-id 0)
6727 ("^\\(From\\|Reply-To\\):" ": *\\(.+\\)$"
6728 1 (>= gnus-button-message-level 0) gnus-button-reply 1)
6729 ("^\\(Cc\\|To\\):" "[^ \t\n<>,()\"]+@[^ \t\n<>,()\"]+"
6730 0 (>= gnus-button-message-level 0) gnus-button-mailto 0)
6731 ("^X-[Uu][Rr][Ll]:" gnus-button-url-regexp
6732 0 (>= gnus-button-browse-level 0) browse-url 0)
6733 ("^Subject:" gnus-button-url-regexp
6734 0 (>= gnus-button-browse-level 0) browse-url 0)
6735 ("^[^:]+:" gnus-button-url-regexp
6736 0 (>= gnus-button-browse-level 0) browse-url 0)
6737 ("^[^:]+:" "\\bmailto:\\([-a-z.@_+0-9%=?&/]+\\)"
6738 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
6739 ("^[^:]+:" "\\(<\\(url: \\)?\\(nntp\\|news\\):\\([^>\n ]*\\)>\\)"
6740 1 (>= gnus-button-message-level 0) gnus-button-message-id 4))
6741 "*Alist of headers and regexps to match buttons in article heads.
6743 This alist is very similar to `gnus-button-alist', except that each
6744 alist has an additional HEADER element first in each entry:
6746 \(HEADER REGEXP BUTTON FORM CALLBACK PAR)
6748 HEADER is a regexp to match a header. For a fuller explanation, see
6749 `gnus-button-alist'."
6750 :group 'gnus-article-buttons
6751 :group 'gnus-article-headers
6752 :type '(repeat (list (regexp :tag "Header")
6753 (choice regexp variable)
6754 (integer :tag "Button")
6756 (function :tag "Callback")
6759 (integer :tag "Regexp group")))))
6763 (defun gnus-article-push-button (event)
6764 "Check text under the mouse pointer for a callback function.
6765 If the text under the mouse pointer has a `gnus-callback' property,
6766 call it with the value of the `gnus-data' text property."
6768 (set-buffer (window-buffer (posn-window (event-start event))))
6769 (let* ((pos (posn-point (event-start event)))
6770 (data (get-text-property pos 'gnus-data))
6771 (fun (get-text-property pos 'gnus-callback)))
6774 (funcall fun data))))
6776 (defun gnus-article-press-button ()
6777 "Check text at point for a callback function.
6778 If the text at point has a `gnus-callback' property,
6779 call it with the value of the `gnus-data' text property."
6781 (let ((data (get-text-property (point) 'gnus-data))
6782 (fun (get-text-property (point) 'gnus-callback)))
6784 (funcall fun data))))
6786 (defun gnus-article-prev-button (n)
6787 "Move point to N buttons backward.
6788 If N is negative, move forward instead."
6790 (gnus-article-next-button (- n)))
6792 (defun gnus-article-next-button (n)
6793 "Move point to N buttons forward.
6794 If N is negative, move backward instead."
6796 (let ((function (if (< n 0) 'previous-single-property-change
6797 'next-single-property-change))
6798 (inhibit-point-motion-hooks t)
6800 (limit (if (< n 0) (point-min) (point-max))))
6802 (while (and (not (= limit (point)))
6804 ;; Skip past the current button.
6805 (when (get-text-property (point) 'gnus-callback)
6806 (goto-char (funcall function (point) 'gnus-callback nil limit)))
6807 ;; Go to the next (or previous) button.
6808 (gnus-goto-char (funcall function (point) 'gnus-callback nil limit))
6809 ;; Put point at the start of the button.
6810 (when (and backward (not (get-text-property (point) 'gnus-callback)))
6811 (goto-char (funcall function (point) 'gnus-callback nil limit)))
6812 ;; Skip past intangible buttons.
6813 (when (get-text-property (point) 'intangible)
6817 (gnus-message 5 "No more buttons"))
6820 (defun gnus-article-highlight (&optional force)
6821 "Highlight current article.
6822 This function calls `gnus-article-highlight-headers',
6823 `gnus-article-highlight-citation',
6824 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
6825 do the highlighting. See the documentation for those functions."
6826 (interactive (list 'force))
6827 (gnus-article-highlight-headers)
6828 (gnus-article-highlight-citation force)
6829 (gnus-article-highlight-signature)
6830 (gnus-article-add-buttons force)
6831 (gnus-article-add-buttons-to-head))
6833 (defun gnus-article-highlight-some (&optional force)
6834 "Highlight current article.
6835 This function calls `gnus-article-highlight-headers',
6836 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
6837 do the highlighting. See the documentation for those functions."
6838 (interactive (list 'force))
6839 (gnus-article-highlight-headers)
6840 (gnus-article-highlight-signature)
6841 (gnus-article-add-buttons))
6843 (defun gnus-article-highlight-headers ()
6844 "Highlight article headers as specified by `gnus-header-face-alist'."
6846 (gnus-with-article-headers
6847 (let (regexp header-face field-face from hpoints fpoints)
6848 (dolist (entry gnus-header-face-alist)
6849 (goto-char (point-min))
6850 (setq regexp (concat "^\\("
6851 (if (string-equal "" (nth 0 entry))
6855 header-face (nth 1 entry)
6856 field-face (nth 2 entry))
6857 (while (and (re-search-forward regexp nil t)
6861 (unless (search-forward ":" nil t)
6863 (when (and header-face
6864 (not (memq (point) hpoints)))
6865 (push (point) hpoints)
6866 (gnus-put-text-property from (point) 'face header-face))
6867 (when (and field-face
6868 (not (memq (setq from (point)) fpoints)))
6870 (if (re-search-forward "^[^ \t]" nil t)
6872 (goto-char (point-max)))
6873 (gnus-put-text-property from (point) 'face field-face)))))))
6875 (defun gnus-article-highlight-signature ()
6876 "Highlight the signature in an article.
6877 It does this by highlighting everything after
6878 `gnus-signature-separator' using `gnus-signature-face'."
6880 (when gnus-signature-face
6881 (gnus-with-article-buffer
6882 (let ((inhibit-point-motion-hooks t))
6884 (when (gnus-article-narrow-to-signature)
6885 (gnus-overlay-put (gnus-make-overlay (point-min) (point-max))
6886 'face gnus-signature-face)))))))
6888 (defun gnus-article-buttonize-signature ()
6889 "Add button to the signature."
6892 (set-buffer gnus-article-buffer)
6893 (let ((inhibit-read-only t)
6894 (inhibit-point-motion-hooks t))
6895 (when (gnus-article-search-signature)
6896 (gnus-article-add-button (match-beginning 0) (match-end 0)
6897 'gnus-signature-toggle
6898 (set-marker (make-marker)
6899 (1+ (match-end 0))))))))
6901 (defun gnus-button-in-region-p (b e prop)
6902 "Say whether PROP exists in the region."
6903 (text-property-not-all b e prop nil))
6905 (defun gnus-article-add-buttons (&optional force)
6906 "Find external references in the article and make buttons of them.
6907 \"External references\" are things like Message-IDs and URLs, as
6908 specified by `gnus-button-alist'."
6909 (interactive (list 'force))
6910 (gnus-with-article-buffer
6911 (let ((inhibit-point-motion-hooks t)
6912 (case-fold-search t)
6913 (alist gnus-button-alist)
6915 ;; Remove all old markers.
6916 (let (marker entry new-list)
6917 (while (setq marker (pop gnus-button-marker-list))
6918 (if (or (< marker (point-min)) (>= marker (point-max)))
6919 (push marker new-list)
6921 (when (setq entry (gnus-button-entry))
6922 (put-text-property (match-beginning (nth 1 entry))
6923 (match-end (nth 1 entry))
6924 'gnus-callback nil))
6925 (set-marker marker nil)))
6926 (setq gnus-button-marker-list new-list))
6927 ;; We skip the headers.
6930 (while (setq entry (pop alist))
6931 (setq regexp (eval (car entry)))
6933 (while (re-search-forward regexp nil t)
6934 (let* ((start (and entry (match-beginning (nth 1 entry))))
6935 (end (and entry (match-end (nth 1 entry))))
6936 (from (match-beginning 0)))
6937 (when (and (or (eq t (nth 2 entry))
6938 (eval (nth 2 entry)))
6939 (not (gnus-button-in-region-p
6940 start end 'gnus-callback)))
6941 ;; That optional form returned non-nil, so we add the
6943 (gnus-article-add-button
6944 start end 'gnus-button-push
6945 (car (push (set-marker (make-marker) from)
6946 gnus-button-marker-list))))))))))
6948 ;; Add buttons to the head of an article.
6949 (defun gnus-article-add-buttons-to-head ()
6950 "Add buttons to the head of the article."
6952 (gnus-with-article-headers
6954 (dolist (entry gnus-header-button-alist)
6955 ;; Each alist entry.
6956 (goto-char (point-min))
6957 (while (re-search-forward (car entry) nil t)
6958 ;; Each header matching the entry.
6959 (setq beg (match-beginning 0))
6960 (setq end (or (and (re-search-forward "^[^ \t]" nil t)
6961 (match-beginning 0))
6964 (while (re-search-forward (eval (nth 1 entry)) end t)
6965 ;; Each match within a header.
6966 (let* ((entry (cdr entry))
6967 (start (match-beginning (nth 1 entry)))
6968 (end (match-end (nth 1 entry)))
6969 (form (nth 2 entry)))
6970 (goto-char (match-end 0))
6972 (gnus-article-add-button
6973 start end (nth 3 entry)
6974 (buffer-substring (match-beginning (nth 4 entry))
6975 (match-end (nth 4 entry)))))))
6976 (goto-char end))))))
6978 ;;; External functions:
6980 (defun gnus-article-add-button (from to fun &optional data)
6981 "Create a button between FROM and TO with callback FUN and data DATA."
6982 (when gnus-article-button-face
6983 (gnus-overlay-put (gnus-make-overlay from to)
6984 'face gnus-article-button-face))
6985 (gnus-add-text-properties
6987 (nconc (and gnus-article-mouse-face
6988 (list gnus-mouse-face-prop gnus-article-mouse-face))
6989 (list 'gnus-callback fun)
6990 (and data (list 'gnus-data data))))
6991 (widget-convert-button 'link from to :action 'gnus-widget-press-button
6992 :button-keymap gnus-widget-button-keymap))
6994 ;;; Internal functions:
6996 (defun gnus-article-set-globals ()
6997 (with-current-buffer gnus-summary-buffer
6998 (gnus-set-global-variables)))
7000 (defun gnus-signature-toggle (end)
7001 (gnus-with-article-buffer
7002 (let ((inhibit-point-motion-hooks t)
7003 (limit (next-single-property-change end 'mime-view-entity
7005 (if (text-property-any end limit 'article-type 'signature)
7007 (gnus-delete-wash-type 'signature)
7008 (gnus-remove-text-properties-when
7009 'article-type 'signature end limit
7010 (cons 'article-type (cons 'signature
7011 gnus-hidden-properties))))
7012 (gnus-add-wash-type 'signature)
7013 (gnus-add-text-properties-when
7014 'article-type nil end limit
7015 (cons 'article-type (cons 'signature
7016 gnus-hidden-properties)))))
7017 (let ((gnus-article-mime-handle-alist-1 gnus-article-mime-handle-alist))
7018 (gnus-set-mode-line 'article))))
7020 (defun gnus-button-entry ()
7021 ;; Return the first entry in `gnus-button-alist' matching this place.
7022 (let ((alist gnus-button-alist)
7025 (setq entry (pop alist))
7026 (if (looking-at (eval (car entry)))
7031 (defun gnus-button-push (marker)
7032 ;; Push button starting at MARKER.
7035 (let* ((entry (gnus-button-entry))
7036 (inhibit-point-motion-hooks t)
7038 (args (mapcar (lambda (group)
7039 (let ((string (match-string group)))
7040 (set-text-properties
7041 0 (length string) nil string)
7048 (fboundp (symbol-value fun)))
7049 (apply (symbol-value fun) args))
7051 (gnus-message 1 "You must define `%S' to use this button"
7052 (cons fun args)))))))
7054 (defun gnus-parse-news-url (url)
7055 (let (scheme server group message-id articles)
7058 (goto-char (point-min))
7059 (when (looking-at "\\([A-Za-z]+\\):")
7060 (setq scheme (match-string 1))
7061 (goto-char (match-end 0)))
7062 (when (looking-at "//\\([^/]+\\)/")
7063 (setq server (match-string 1))
7064 (goto-char (match-end 0)))
7067 ((looking-at "\\(.*@.*\\)")
7068 (setq message-id (match-string 1)))
7069 ((looking-at "\\([^/]+\\)/\\([-0-9]+\\)")
7070 (setq group (match-string 1)
7071 articles (split-string (match-string 2) "-")))
7072 ((looking-at "\\([^/]+\\)/?")
7073 (setq group (match-string 1)))
7075 (error "Unknown news URL syntax"))))
7076 (list scheme server group message-id articles)))
7078 (defun gnus-button-handle-news (url)
7080 (destructuring-bind (scheme server group message-id articles)
7081 (gnus-parse-news-url url)
7085 (set-buffer gnus-summary-buffer)
7087 (let ((gnus-refer-article-method (list (list 'nntp server))))
7088 (gnus-summary-refer-article message-id))
7089 (gnus-summary-refer-article message-id))))
7091 (gnus-button-fetch-group url)))))
7093 (defun gnus-button-handle-man (url)
7095 (gnus-message 9 "`%s' `%s'" gnus-button-man-handler url)
7096 (when (eq gnus-button-man-handler 'woman)
7097 (setq url (gnus-replace-in-string url "([1-9][X1a-z]*).*\\'" "")))
7098 (gnus-message 9 "`%s' `%s'" gnus-button-man-handler url)
7099 (funcall gnus-button-man-handler url))
7101 (defun gnus-button-handle-info-url (url)
7102 "Fetch an info URL."
7103 (setq url (mm-subst-char-in-string ?+ ?\ url))
7105 ((string-match "^\\([^:/]+\\)?/\\(.*\\)" url)
7106 (gnus-info-find-node
7107 (concat "(" (or (gnus-url-unhex-string (match-string 1 url))
7109 ")" (gnus-url-unhex-string (match-string 2 url)))))
7110 ((string-match "([^)\"]+)[^\"]+" url)
7112 (gnus-replace-in-string
7113 (gnus-replace-in-string url "[\n\t ]+" " ") "\"" ""))
7114 (gnus-info-find-node url))
7115 (t (error "Can't parse %s" url))))
7117 (defun gnus-button-handle-info-url-gnome (url)
7118 "Fetch GNOME style info URL."
7119 (setq url (mm-subst-char-in-string ?_ ?\ url))
7120 (if (string-match "\\([^#]+\\)#?\\(.*\\)" url)
7121 (gnus-info-find-node
7123 (gnus-url-unhex-string
7124 (match-string 1 url))
7126 (or (gnus-url-unhex-string
7127 (match-string 2 url))
7129 (error "Can't parse %s" url)))
7131 (defun gnus-button-handle-info-url-kde (url)
7132 "Fetch KDE style info URL."
7133 (gnus-info-find-node (gnus-url-unhex-string url)))
7135 (defun gnus-button-handle-info-keystrokes (url)
7136 "Call `info' when pushing the corresponding URL button."
7137 ;; For links like `C-h i d m gnus RET', `C-h i d m CC Mode RET'.
7142 (defun gnus-button-message-id (message-id)
7144 (with-current-buffer gnus-summary-buffer
7145 (gnus-summary-refer-article message-id)))
7147 (defun gnus-button-fetch-group (address)
7148 "Fetch GROUP specified by ADDRESS."
7149 (if (not (string-match "[:/]" address))
7150 ;; This is just a simple group url.
7151 (gnus-group-read-ephemeral-group address gnus-select-method)
7154 "^\\([^:/]+\\)\\(:\\([^/]+\\)\\)?/\\([^/]+\\)\\(/\\([0-9]+\\)\\)?"
7156 (error "Can't parse %s" address)
7157 (gnus-group-read-ephemeral-group
7158 (match-string 4 address)
7159 `(nntp ,(match-string 1 address)
7160 (nntp-address ,(match-string 1 address))
7161 (nntp-port-number ,(if (match-end 3)
7162 (match-string 3 address)
7165 (and (match-end 6) (list (string-to-int (match-string 6 address))))))))
7167 (defun gnus-url-parse-query-string (query &optional downcase)
7168 (let (retval pairs cur key val)
7169 (setq pairs (split-string query "&"))
7171 (setq cur (car pairs)
7173 (if (not (string-match "=" cur))
7175 (setq key (gnus-url-unhex-string (substring cur 0 (match-beginning 0)))
7176 val (gnus-url-unhex-string (substring cur (match-end 0) nil) t))
7178 (setq key (downcase key)))
7179 (setq cur (assoc key retval))
7181 (setcdr cur (cons val (cdr cur)))
7182 (setq retval (cons (list key val) retval)))))
7185 (defun gnus-url-mailto (url)
7186 ;; Send mail to someone
7187 (when (string-match "mailto:/*\\(.*\\)" url)
7188 (setq url (substring url (match-beginning 1) nil)))
7189 (let (to args subject func)
7190 (setq args (gnus-url-parse-query-string
7191 (if (string-match "^\\?" url)
7193 (if (string-match "^\\([^?]+\\)\\?\\(.*\\)" url)
7194 (concat "to=" (match-string 1 url) "&"
7195 (match-string 2 url))
7196 (concat "to=" url)))
7198 subject (cdr-safe (assoc "subject" args)))
7201 (setq func (intern-soft (concat "message-goto-" (downcase (caar args)))))
7204 (message-position-on-field (caar args)))
7205 (insert (gnus-replace-in-string
7206 (mapconcat 'identity (reverse (cdar args)) ", ")
7208 (setq args (cdr args)))
7211 (message-goto-subject))))
7213 (defun gnus-button-embedded-url (address)
7214 "Activate ADDRESS with `browse-url'."
7215 (browse-url (gnus-strip-whitespace address)))
7217 ;;; Next/prev buttons in the article buffer.
7219 (defvar gnus-next-page-line-format "%{%(Next page...%)%}\n")
7220 (defvar gnus-prev-page-line-format "%{%(Previous page...%)%}\n")
7222 (defvar gnus-prev-page-map
7223 (let ((map (make-sparse-keymap)))
7224 (define-key map gnus-mouse-2 'gnus-button-prev-page)
7225 (define-key map "\r" 'gnus-button-prev-page)
7228 (defvar gnus-next-page-map
7229 (let ((map (make-sparse-keymap)))
7230 (unless (>= emacs-major-version 21)
7231 ;; XEmacs doesn't care.
7232 (set-keymap-parent map gnus-article-mode-map))
7233 (define-key map gnus-mouse-2 'gnus-button-next-page)
7234 (define-key map "\r" 'gnus-button-next-page)
7237 (defun gnus-insert-prev-page-button ()
7239 (inhibit-read-only t)
7240 (situation (get-text-property (point-min) 'mime-view-situation)))
7242 gnus-prev-page-line-format nil
7243 `(keymap ,gnus-prev-page-map
7245 gnus-callback gnus-article-button-prev-page
7246 article-type annotation
7247 mime-view-situation ,situation))
7248 (widget-convert-button
7250 ;; Exclude a newline.
7253 :action 'gnus-button-prev-page
7254 :button-keymap gnus-prev-page-map)))
7256 (defun gnus-button-next-page (&optional args more-args)
7257 "Go to the next page."
7259 (let ((win (selected-window)))
7260 (select-window (gnus-get-buffer-window gnus-article-buffer t))
7261 (gnus-article-next-page)
7262 (select-window win)))
7264 (defun gnus-button-prev-page (&optional args more-args)
7265 "Go to the prev page."
7267 (let ((win (selected-window)))
7268 (select-window (gnus-get-buffer-window gnus-article-buffer t))
7269 (gnus-article-prev-page)
7270 (select-window win)))
7272 (defun gnus-insert-next-page-button ()
7274 (inhibit-read-only t)
7275 (situation (get-text-property (point-min) 'mime-view-situation)))
7276 (gnus-eval-format gnus-next-page-line-format nil
7277 `(keymap ,gnus-next-page-map
7279 gnus-callback gnus-article-button-next-page
7280 article-type annotation
7281 mime-view-situation ,situation))
7282 (widget-convert-button
7284 ;; Exclude a newline.
7287 :action 'gnus-button-next-page
7288 :button-keymap gnus-next-page-map)))
7290 (defun gnus-article-button-next-page (arg)
7291 "Go to the next page."
7293 (let ((win (selected-window)))
7294 (select-window (gnus-get-buffer-window gnus-article-buffer t))
7295 (gnus-article-next-page)
7296 (select-window win)))
7298 (defun gnus-article-button-prev-page (arg)
7299 "Go to the prev page."
7301 (let ((win (selected-window)))
7302 (select-window (gnus-get-buffer-window gnus-article-buffer t))
7303 (gnus-article-prev-page)
7304 (select-window win)))
7306 (defvar gnus-decode-header-methods
7307 '(mail-decode-encoded-word-region)
7308 "List of methods used to decode headers.
7310 This variable is a list of FUNCTION or (REGEXP . FUNCTION). If item
7311 is FUNCTION, FUNCTION will be applied to all newsgroups. If item is a
7312 \(REGEXP . FUNCTION), FUNCTION will be only apply to the newsgroups
7313 whose names match REGEXP.
7316 \((\"chinese\" . gnus-decode-encoded-word-region-by-guess)
7317 mail-decode-encoded-word-region
7318 (\"chinese\" . rfc1843-decode-region))
7321 (defvar gnus-decode-header-methods-cache nil)
7323 (defun gnus-multi-decode-header (start end)
7324 "Apply the functions from `gnus-encoded-word-methods' that match."
7325 (unless (and gnus-decode-header-methods-cache
7326 (eq gnus-newsgroup-name
7327 (car gnus-decode-header-methods-cache)))
7328 (setq gnus-decode-header-methods-cache (list gnus-newsgroup-name))
7331 (nconc gnus-decode-header-methods-cache (list x))
7332 (if (and gnus-newsgroup-name
7333 (string-match (car x) gnus-newsgroup-name))
7334 (nconc gnus-decode-header-methods-cache
7336 gnus-decode-header-methods))
7337 (let ((xlist gnus-decode-header-methods-cache))
7340 (narrow-to-region start end)
7342 (funcall (pop xlist) (point-min) (point-max))))))
7345 ;;; Treatment top-level handling.
7348 (defun gnus-treat-article (condition &optional part-number total-parts type)
7349 (let ((length (- (point-max) (point-min)))
7350 (alist gnus-treatment-function-alist)
7351 (article-goto-body-goes-to-point-min-p t)
7355 (let ((list gnus-article-treat-types))
7357 (when (string-match (pop list) type)
7358 (throw 'found t)))))))
7359 (highlightp (gnus-visual-p 'article-highlight 'highlight))
7360 (entity (static-unless (featurep 'xemacs)
7361 (when (eq 'head condition)
7362 (get-text-property (point-min) 'mime-view-entity))))
7363 val elem buttonized)
7364 (gnus-run-hooks 'gnus-part-display-hook)
7365 (unless gnus-inhibit-treatment
7366 (dolist (elem alist)
7369 (when (gnus-buffer-live-p gnus-summary-buffer)
7370 (set-buffer gnus-summary-buffer))
7371 (symbol-value (car elem))))
7372 (when (and (or (consp val)
7374 (gnus-treat-predicate val)
7375 (or (not (get (car elem) 'highlight))
7377 (when (and (not buttonized)
7379 '(gnus-treat-hide-signature
7380 gnus-treat-highlight-signature)))
7381 (gnus-article-buttonize-signature)
7382 (setq buttonized t))
7384 (funcall (cadr elem)))))
7385 ;; FSF Emacsen does not inherit the existing text properties
7386 ;; in the new text, so we should do it for `mime-view-entity'.
7387 (static-unless (featurep 'xemacs)
7389 (put-text-property (point-min) (point-max)
7390 'mime-view-entity entity))))))
7392 ;; Dynamic variables.
7394 (defvar part-number)
7395 (defvar total-parts)
7400 (defun gnus-treat-predicate (val)
7405 (stringp (car val)))
7406 (apply 'gnus-or (mapcar `(lambda (s)
7407 (string-match s ,(or gnus-newsgroup-name "")))
7410 (let ((pred (pop val)))
7413 (apply 'gnus-or (mapcar 'gnus-treat-predicate val)))
7415 (apply 'gnus-and (mapcar 'gnus-treat-predicate val)))
7417 (not (gnus-treat-predicate (car val))))
7419 (equal (car val) type))
7421 (error "%S is not a valid predicate" pred)))))
7431 (eq part-number total-parts))
7435 (error "%S is not a valid value" val))))
7437 (defun gnus-article-encrypt-body (protocol &optional n)
7438 "Encrypt the article body."
7441 (or gnus-article-encrypt-protocol
7442 (completing-read "Encrypt protocol: "
7443 gnus-article-encrypt-protocol-alist
7445 current-prefix-arg))
7446 (let ((func (cdr (assoc protocol gnus-article-encrypt-protocol-alist))))
7448 (error (format "Can't find the encrypt protocol %s" protocol)))
7449 (if (member gnus-newsgroup-name '("nndraft:delayed"
7452 (error "Can't encrypt the article in group %s"
7453 gnus-newsgroup-name))
7454 (gnus-summary-iterate n
7456 (set-buffer gnus-summary-buffer)
7457 (let ((mail-parse-charset gnus-newsgroup-charset)
7458 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets)
7459 (summary-buffer gnus-summary-buffer)
7461 (gnus-set-global-variables)
7462 (when (gnus-group-read-only-p)
7463 (error "The current newsgroup does not support article encrypt"))
7464 (gnus-summary-show-article t)
7466 (or (mail-header-references gnus-current-headers) ""))
7467 (set-buffer gnus-article-buffer)
7468 (let* ((inhibit-read-only t)
7470 (mapcar (lambda (field)
7471 (and (save-restriction
7472 (message-narrow-to-head)
7473 (goto-char (point-min))
7474 (search-forward field nil t))
7476 (message-narrow-to-field)
7478 (delete-region (point-min) (point-max))
7480 '("Content-Type:" "Content-Transfer-Encoding:"
7481 "Content-Disposition:"))))
7482 (message-narrow-to-head)
7483 (message-remove-header "MIME-Version")
7484 (goto-char (point-max))
7485 (setq point (point))
7486 (insert (apply 'concat headers))
7488 (narrow-to-region point (point-max))
7489 (let ((message-options message-options))
7490 (message-options-set 'message-sender user-mail-address)
7491 (message-options-set 'message-recipients user-mail-address)
7492 (message-options-set 'message-sign-encrypt 'not)
7494 (goto-char (point-min))
7495 (insert "MIME-Version: 1.0\n")
7497 (gnus-summary-edit-article-done
7498 references nil summary-buffer t))
7499 (when gnus-keep-backlog
7500 (gnus-backlog-remove-article
7501 (car gnus-article-current) (cdr gnus-article-current)))
7503 (when (get-buffer gnus-original-article-buffer)
7504 (set-buffer gnus-original-article-buffer)
7505 (setq gnus-original-article nil)))
7506 (when gnus-use-cache
7507 (gnus-cache-update-article
7508 (car gnus-article-current) (cdr gnus-article-current))))))))
7510 (defvar gnus-mime-security-button-line-format "%{%([[%t:%i]%D]%)%}\n"
7511 "The following specs can be used:
7512 %t The security MIME type
7515 %D Details if button is pressed")
7517 (defvar gnus-mime-security-button-end-line-format "%{%([[End of %t]%D]%)%}\n"
7518 "The following specs can be used:
7519 %t The security MIME type
7522 %D Details if button is pressed")
7524 (defvar gnus-mime-security-button-line-format-alist
7525 '((?t gnus-tmp-type ?s)
7526 (?i gnus-tmp-info ?s)
7527 (?d gnus-tmp-details ?s)
7528 (?D gnus-tmp-pressed-details ?s)))
7530 (defvar gnus-mime-security-button-map
7531 (let ((map (make-sparse-keymap)))
7532 (define-key map gnus-mouse-2 'gnus-article-push-button)
7533 (define-key map "\r" 'gnus-article-press-button)
7536 (defvar gnus-mime-security-details-buffer nil)
7538 (defvar gnus-mime-security-button-pressed nil)
7540 (defvar gnus-mime-security-show-details-inline t
7541 "If non-nil, show details in the article buffer.")
7543 (defun gnus-mime-security-verify-or-decrypt (handle)
7544 (mm-remove-parts (cdr handle))
7545 (let ((region (mm-handle-multipart-ctl-parameter handle 'gnus-region))
7546 point (inhibit-read-only t))
7548 (goto-char (car region)))
7550 (narrow-to-region (point) (point))
7551 (with-current-buffer (mm-handle-multipart-original-buffer handle)
7552 (let* ((mm-verify-option 'known)
7553 (mm-decrypt-option 'known)
7554 (nparts (mm-possibly-verify-or-decrypt (cdr handle) handle)))
7555 (unless (eq nparts (cdr handle))
7556 (mm-destroy-parts (cdr handle))
7557 (setcdr handle nparts))))
7558 (setq point (point))
7559 (gnus-mime-display-security handle)
7560 (goto-char (point-max)))
7562 (delete-region (point) (cdr region))
7563 (set-marker (car region) nil)
7564 (set-marker (cdr region) nil))
7567 (defun gnus-mime-security-show-details (handle)
7568 (let ((details (mm-handle-multipart-ctl-parameter handle 'gnus-details)))
7570 (gnus-message 5 "No details.")
7571 (if gnus-mime-security-show-details-inline
7572 (let ((gnus-mime-security-button-pressed
7573 (not (get-text-property (point) 'gnus-mime-details)))
7574 (gnus-mime-security-button-line-format
7575 (get-text-property (point) 'gnus-line-format))
7576 (inhibit-read-only t))
7578 (while (eq (get-text-property (point) 'gnus-line-format)
7579 gnus-mime-security-button-line-format)
7583 (narrow-to-region (point) (point))
7584 (gnus-insert-mime-security-button handle))
7585 (delete-region (point)
7586 (or (text-property-not-all
7589 gnus-mime-security-button-line-format)
7592 (if (gnus-buffer-live-p gnus-mime-security-details-buffer)
7593 (with-current-buffer gnus-mime-security-details-buffer
7596 (setq gnus-mime-security-details-buffer
7597 (gnus-get-buffer-create "*MIME Security Details*")))
7598 (with-current-buffer gnus-mime-security-details-buffer
7600 (goto-char (point-min)))
7601 (pop-to-buffer gnus-mime-security-details-buffer)))))
7603 (defun gnus-mime-security-press-button (handle)
7605 (if (mm-handle-multipart-ctl-parameter handle 'gnus-info)
7606 (gnus-mime-security-show-details handle)
7607 (gnus-mime-security-verify-or-decrypt handle))))
7609 (defun gnus-insert-mime-security-button (handle &optional displayed)
7610 (let* ((protocol (mm-handle-multipart-ctl-parameter handle 'protocol))
7613 (or (nth 2 (assoc protocol mm-verify-function-alist))
7614 (nth 2 (assoc protocol mm-decrypt-function-alist))
7616 (if (equal (car handle) "multipart/signed")
7617 " Signed" " Encrypted")
7620 (or (mm-handle-multipart-ctl-parameter handle 'gnus-info)
7623 (mm-handle-multipart-ctl-parameter handle 'gnus-details))
7624 gnus-tmp-pressed-details
7626 (setq gnus-tmp-details
7627 (if gnus-tmp-details
7628 (concat "\n" gnus-tmp-details)
7630 (setq gnus-tmp-pressed-details
7631 (if gnus-mime-security-button-pressed gnus-tmp-details ""))
7636 gnus-mime-security-button-line-format
7637 gnus-mime-security-button-line-format-alist
7638 `(keymap ,gnus-mime-security-button-map
7639 gnus-callback gnus-mime-security-press-button
7640 gnus-line-format ,gnus-mime-security-button-line-format
7641 gnus-mime-details ,gnus-mime-security-button-pressed
7642 article-type annotation
7645 ;; Exclude a newline.
7648 (widget-convert-button
7651 :action 'gnus-widget-press-button
7652 :button-keymap gnus-mime-security-button-map
7654 (lambda (widget/window &optional overlay pos)
7655 ;; Needed to properly clear the message due to a bug in
7656 ;; wid-edit (XEmacs only).
7657 (when (boundp 'help-echo-owns-message)
7658 (setq help-echo-owns-message t))
7661 (aref gnus-mouse-2 0))))))
7663 (defun gnus-mime-display-security (handle)
7665 (narrow-to-region (point) (point))
7666 (unless (gnus-unbuttonized-mime-type-p (car handle))
7667 (gnus-insert-mime-security-button handle))
7668 (gnus-mime-display-mixed (cdr handle))
7671 (unless (gnus-unbuttonized-mime-type-p (car handle))
7672 (let ((gnus-mime-security-button-line-format
7673 gnus-mime-security-button-end-line-format))
7674 (gnus-insert-mime-security-button handle)))
7675 (mm-set-handle-multipart-parameter
7677 (cons (set-marker (make-marker) (point-min))
7678 (set-marker (make-marker) (point-max))))))
7684 (defun gnus-article-header-presentation-method (entity situation)
7685 (mime-insert-header entity)
7686 (article-decode-group-name))
7688 (set-alist 'mime-header-presentation-method-alist
7689 'gnus-original-article-mode
7690 #'gnus-article-header-presentation-method)
7692 (defun gnus-mime-preview-quitting-method ()
7693 (mime-preview-kill-buffer)
7694 (delete-other-windows)
7695 (gnus-article-show-summary)
7696 (gnus-summary-select-article gnus-show-all-headers t))
7698 (set-alist 'mime-preview-quitting-method-alist
7699 'gnus-original-article-mode #'gnus-mime-preview-quitting-method)
7701 (set-alist 'mime-preview-following-method-alist
7702 'gnus-original-article-mode #'gnus-following-method)
7704 (set-alist 'mime-preview-over-to-previous-method-alist
7705 'gnus-original-article-mode
7707 (if (> (point-min) 1)
7708 (gnus-article-prev-page)
7709 (gnus-article-read-summary-keys
7710 nil (gnus-character-to-event ?P)))))
7712 (set-alist 'mime-preview-over-to-next-method-alist
7713 'gnus-original-article-mode'
7715 (if (< (point-max) (buffer-size))
7716 (gnus-article-next-page)
7717 (gnus-article-read-summary-keys
7718 nil (gnus-character-to-event ?N)))))
7728 (run-hooks 'gnus-art-load-hook)
7730 ;;; gnus-art.el ends here