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))))
356 :group 'gnus-article-washing)
358 (defcustom gnus-emphasis-alist
360 "\\(\\s-\\|^\\|\\=\\|[-\"]\\|\\s(\\)\\(%s\\(\\w+\\(\\s-+\\w+\\)*[.,]?\\)%s\\)\\(\\([-,.;:!?\"]\\|\\s)\\)+\\s-\\|[?!.]\\s-\\|\\s)\\|\\s-\\)")
365 ("_/" "/_" underline-italic)
366 ("_\\*" "\\*_" underline-bold)
367 ("\\*/" "/\\*" bold-italic)
368 ("_\\*/" "/\\*_" underline-bold-italic))))
372 (format format (car spec) (car (cdr spec)))
373 2 3 (intern (format "gnus-emphasis-%s" (nth 2 spec)))))
375 ("\\(\\s-\\|^\\)\\(_\\(\\(\\w\\|_[^_]\\)+\\)_\\)\\(\\s-\\|[?!.,;]\\)"
376 2 3 gnus-emphasis-underline)))
377 "*Alist that says how to fontify certain phrases.
378 Each item looks like this:
380 (\"_\\\\(\\\\w+\\\\)_\" 0 1 'underline)
382 The first element is a regular expression to be matched. The second
383 is a number that says what regular expression grouping used to find
384 the entire emphasized word. The third is a number that says what
385 regexp grouping should be displayed and highlighted. The fourth
386 is the face used for highlighting."
387 :type '(repeat (list :value ("" 0 0 default)
389 (integer :tag "Match group")
390 (integer :tag "Emphasize group")
392 :group 'gnus-article-emphasis)
394 (defcustom gnus-emphasize-whitespace-regexp "^[ \t]+\\|[ \t]*\n"
395 "A regexp to describe whitespace which should not be emphasized.
396 Typical values are \"^[ \\t]+\\\\|[ \\t]*\\n\" and \"[ \\t]+\\\\|[ \\t]*\\n\".
397 The former avoids underlining of leading and trailing whitespace,
398 and the latter avoids underlining any whitespace at all."
400 :group 'gnus-article-emphasis
403 (defface gnus-emphasis-bold '((t (:bold t)))
404 "Face used for displaying strong emphasized text (*word*)."
405 :group 'gnus-article-emphasis)
407 (defface gnus-emphasis-italic '((t (:italic t)))
408 "Face used for displaying italic emphasized text (/word/)."
409 :group 'gnus-article-emphasis)
411 (defface gnus-emphasis-underline '((t (:underline t)))
412 "Face used for displaying underlined emphasized text (_word_)."
413 :group 'gnus-article-emphasis)
415 (defface gnus-emphasis-underline-bold '((t (:bold t :underline t)))
416 "Face used for displaying underlined bold emphasized text (_*word*_)."
417 :group 'gnus-article-emphasis)
419 (defface gnus-emphasis-underline-italic '((t (:italic t :underline t)))
420 "Face used for displaying underlined italic emphasized text (_/word/_)."
421 :group 'gnus-article-emphasis)
423 (defface gnus-emphasis-bold-italic '((t (:bold t :italic t)))
424 "Face used for displaying bold italic emphasized text (/*word*/)."
425 :group 'gnus-article-emphasis)
427 (defface gnus-emphasis-underline-bold-italic
428 '((t (:bold t :italic t :underline t)))
429 "Face used for displaying underlined bold italic emphasized text.
430 Example: (_/*word*/_)."
431 :group 'gnus-article-emphasis)
433 (defface gnus-emphasis-strikethru (if (featurep 'xemacs)
434 '((t (:strikethru t)))
435 '((t (:strike-through t))))
436 "Face used for displaying strike-through text (-word-)."
437 :group 'gnus-article-emphasis)
439 (defface gnus-emphasis-highlight-words
440 '((t (:background "black" :foreground "yellow")))
441 "Face used for displaying highlighted words."
442 :group 'gnus-article-emphasis)
444 (defcustom gnus-article-time-format "%a, %d %b %Y %T %Z"
445 "Format for display of Date headers in article bodies.
446 See `format-time-string' for the possible values.
448 The variable can also be function, which should return a complete Date
449 header. The function is called with one argument, the time, which can
450 be fed to `format-time-string'."
451 :type '(choice string function)
452 :link '(custom-manual "(gnus)Article Date")
453 :group 'gnus-article-washing)
456 (autoload 'mail-extract-address-components "mail-extr"))
458 (defcustom gnus-save-all-headers t
459 "*If non-nil, don't remove any headers before saving."
460 :group 'gnus-article-saving
463 (defcustom gnus-prompt-before-saving 'always
464 "*This variable says how much prompting is to be done when saving articles.
465 If it is nil, no prompting will be done, and the articles will be
466 saved to the default files. If this variable is `always', each and
467 every article that is saved will be preceded by a prompt, even when
468 saving large batches of articles. If this variable is neither nil not
469 `always', there the user will be prompted once for a file name for
470 each invocation of the saving commands."
471 :group 'gnus-article-saving
472 :type '(choice (item always)
473 (item :tag "never" nil)
474 (sexp :tag "once" :format "%t\n" :value t)))
476 (defcustom gnus-saved-headers gnus-visible-headers
477 "Headers to keep if `gnus-save-all-headers' is nil.
478 If `gnus-save-all-headers' is non-nil, this variable will be ignored.
479 If that variable is nil, however, all headers that match this regexp
480 will be kept while the rest will be deleted before saving."
481 :group 'gnus-article-saving
484 (defcustom gnus-default-article-saver 'gnus-summary-save-in-rmail
485 "A function to save articles in your favourite format.
486 The function must be interactively callable (in other words, it must
487 be an Emacs command).
489 Gnus provides the following functions:
491 * gnus-summary-save-in-rmail (Rmail format)
492 * gnus-summary-save-in-mail (Unix mail format)
493 * gnus-summary-save-in-folder (MH folder)
494 * gnus-summary-save-in-file (article format)
495 * gnus-summary-save-body-in-file (article body)
496 * gnus-summary-save-in-vm (use VM's folder format)
497 * gnus-summary-write-to-file (article format -- overwrite)."
498 :group 'gnus-article-saving
499 :type '(radio (function-item gnus-summary-save-in-rmail)
500 (function-item gnus-summary-save-in-mail)
501 (function-item gnus-summary-save-in-folder)
502 (function-item gnus-summary-save-in-file)
503 (function-item gnus-summary-save-body-in-file)
504 (function-item gnus-summary-save-in-vm)
505 (function-item gnus-summary-write-to-file)))
507 (defcustom gnus-rmail-save-name 'gnus-plain-save-name
508 "A function generating a file name to save articles in Rmail format.
509 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
510 :group 'gnus-article-saving
513 (defcustom gnus-mail-save-name 'gnus-plain-save-name
514 "A function generating a file name to save articles in Unix mail format.
515 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
516 :group 'gnus-article-saving
519 (defcustom gnus-folder-save-name 'gnus-folder-save-name
520 "A function generating a file name to save articles in MH folder.
521 The function is called with NEWSGROUP, HEADERS, and optional LAST-FOLDER."
522 :group 'gnus-article-saving
525 (defcustom gnus-file-save-name 'gnus-numeric-save-name
526 "A function generating a file name to save articles in article format.
527 The function is called with NEWSGROUP, HEADERS, and optional
529 :group 'gnus-article-saving
532 (defcustom gnus-split-methods
533 '((gnus-article-archive-name)
534 (gnus-article-nndoc-name))
535 "*Variable used to suggest where articles are to be saved.
536 For instance, if you would like to save articles related to Gnus in
537 the file \"gnus-stuff\", and articles related to VM in \"vm-stuff\",
538 you could set this variable to something like:
540 '((\"^Subject:.*gnus\\|^Newsgroups:.*gnus\" \"gnus-stuff\")
541 (\"^Subject:.*vm\\|^Xref:.*vm\" \"vm-stuff\"))
543 This variable is an alist where the where the key is the match and the
544 value is a list of possible files to save in if the match is non-nil.
546 If the match is a string, it is used as a regexp match on the
547 article. If the match is a symbol, that symbol will be funcalled
548 from the buffer of the article to be saved with the newsgroup as the
549 parameter. If it is a list, it will be evaled in the same buffer.
551 If this form or function returns a string, this string will be used as
552 a possible file name; and if it returns a non-nil list, that list will
553 be used as possible file names."
554 :group 'gnus-article-saving
555 :type '(repeat (choice (list :value (fun) function)
556 (cons :value ("" "") regexp (repeat string))
559 (defcustom gnus-article-display-method-for-mime
560 'gnus-article-display-mime-message
561 "Function to display a MIME message.
562 The function is called from the article buffer."
563 :group 'gnus-article-mime
566 (defcustom gnus-article-display-method-for-traditional
567 'gnus-article-display-traditional-message
568 "*Function to display a traditional message.
569 The function is called from the article buffer."
570 :group 'gnus-article-mime
573 (defcustom gnus-page-delimiter "^\^L"
574 "*Regexp describing what to use as article page delimiters.
575 The default value is \"^\^L\", which is a form linefeed at the
576 beginning of a line."
578 :group 'gnus-article-various)
580 (defcustom gnus-article-mode-line-format "Gnus: %g [%w] %S%m"
581 "*The format specification for the article mode line.
582 See `gnus-summary-mode-line-format' for a closer description.
584 The following additional specs are available:
586 %w The article washing status.
587 %m The number of MIME parts in the article."
589 :group 'gnus-article-various)
591 (defcustom gnus-article-mode-hook nil
592 "*A hook for Gnus article mode."
594 :group 'gnus-article-various)
596 (when (featurep 'xemacs)
597 ;; Extracted from gnus-xmas-define in order to preserve user settings
598 (when (fboundp 'turn-off-scroll-in-place)
599 (add-hook 'gnus-article-mode-hook 'turn-off-scroll-in-place))
600 ;; Extracted from gnus-xmas-redefine in order to preserve user settings
601 (add-hook 'gnus-article-mode-hook 'gnus-xmas-article-menu-add))
603 (defcustom gnus-article-menu-hook nil
604 "*Hook run after the creation of the article mode menu."
606 :group 'gnus-article-various)
608 (defcustom gnus-article-prepare-hook nil
609 "*A hook called after an article has been prepared in the article buffer."
611 :group 'gnus-article-various)
613 (defcustom gnus-copy-article-ignored-headers nil
614 "List of headers to be removed when copying an article.
615 Each element is a regular expression."
616 :version "22.0" ;; No Gnus
617 :type '(repeat regexp)
618 :group 'gnus-article-various)
620 (make-obsolete-variable 'gnus-article-hide-pgp-hook
621 "This variable is obsolete in Gnus 5.10.")
623 (defcustom gnus-article-button-face 'bold
624 "Face used for highlighting buttons in the article buffer.
626 An article button is a piece of text that you can activate by pressing
627 `RET' or `mouse-2' above it."
629 :group 'gnus-article-buttons)
631 (defcustom gnus-article-mouse-face 'highlight
632 "Face used for mouse highlighting in the article buffer.
634 Article buttons will be displayed in this face when the cursor is
637 :group 'gnus-article-buttons)
639 (defcustom gnus-signature-face 'gnus-signature-face
640 "Face used for highlighting a signature in the article buffer.
641 Obsolete; use the face `gnus-signature-face' for customizations instead."
643 :group 'gnus-article-highlight
644 :group 'gnus-article-signature)
646 (defface gnus-signature-face
649 "Face used for highlighting a signature in the article buffer."
650 :group 'gnus-article-highlight
651 :group 'gnus-article-signature)
653 (defface gnus-header-from-face
656 (:foreground "spring green"))
659 (:foreground "red3"))
662 "Face used for displaying from headers."
663 :group 'gnus-article-headers
664 :group 'gnus-article-highlight)
666 (defface gnus-header-subject-face
669 (:foreground "SeaGreen3"))
672 (:foreground "red4"))
674 (:bold t :italic t)))
675 "Face used for displaying subject headers."
676 :group 'gnus-article-headers
677 :group 'gnus-article-highlight)
679 (defface gnus-header-newsgroups-face
682 (:foreground "yellow" :italic t))
685 (:foreground "MidnightBlue" :italic t))
688 "Face used for displaying newsgroups headers.
689 In the default setup this face is only used for crossposted
691 :group 'gnus-article-headers
692 :group 'gnus-article-highlight)
694 (defface gnus-header-name-face
697 (:foreground "SeaGreen"))
700 (:foreground "maroon"))
703 "Face used for displaying header names."
704 :group 'gnus-article-headers
705 :group 'gnus-article-highlight)
707 (defface gnus-header-content-face
710 (:foreground "forest green" :italic t))
713 (:foreground "indianred4" :italic t))
716 "Face used for displaying header content."
717 :group 'gnus-article-headers
718 :group 'gnus-article-highlight)
720 (defcustom gnus-header-face-alist
721 '(("From" nil gnus-header-from-face)
722 ("Subject" nil gnus-header-subject-face)
723 ("Newsgroups:.*," nil gnus-header-newsgroups-face)
724 ("" gnus-header-name-face gnus-header-content-face))
725 "*Controls highlighting of article headers.
727 An alist of the form (HEADER NAME CONTENT).
729 HEADER is a regular expression which should match the name of a
730 header and NAME and CONTENT are either face names or nil.
732 The name of each header field will be displayed using the face
733 specified by the first element in the list where HEADER matches
734 the header name and NAME is non-nil. Similarly, the content will
735 be displayed by the first non-nil matching CONTENT face."
736 :group 'gnus-article-headers
737 :group 'gnus-article-highlight
738 :type '(repeat (list (regexp :tag "Header")
740 (item :tag "skip" nil)
741 (face :value default))
742 (choice :tag "Content"
743 (item :tag "skip" nil)
744 (face :value default)))))
746 (defcustom gnus-article-decode-hook
747 '(article-decode-group-name article-decode-idna-rhs)
748 "*Hook run to decode charsets in articles."
749 :group 'gnus-article-headers
752 (defcustom gnus-display-mime-function 'gnus-display-mime
753 "Function to display MIME articles."
754 :group 'gnus-article-mime
757 (defvar gnus-decode-header-function 'mail-decode-encoded-word-region
758 "Function used to decode headers.")
760 (defvar gnus-article-dumbquotes-map
780 "Table for MS-to-Latin1 translation.")
782 (defcustom gnus-ignored-mime-types nil
783 "List of MIME types that should be ignored by Gnus."
785 :group 'gnus-article-mime
786 :type '(repeat regexp))
788 (defcustom gnus-unbuttonized-mime-types '(".*/.*")
789 "List of MIME types that should not be given buttons when rendered inline.
790 See also `gnus-buttonized-mime-types' which may override this variable.
791 This variable is only used when `gnus-inhibit-mime-unbuttonizing' is nil."
793 :group 'gnus-article-mime
794 :type '(repeat regexp))
796 (defcustom gnus-buttonized-mime-types nil
797 "List of MIME types that should be given buttons when rendered inline.
798 If set, this variable overrides `gnus-unbuttonized-mime-types'.
799 To see e.g. security buttons you could set this to
800 `(\"multipart/signed\")'.
801 This variable is only used when `gnus-inhibit-mime-unbuttonizing' is nil."
803 :group 'gnus-article-mime
804 :type '(repeat regexp))
806 (defcustom gnus-inhibit-mime-unbuttonizing nil
807 "If non-nil, all MIME parts get buttons.
808 When nil (the default value), then some MIME parts do not get buttons,
809 as described by the variables `gnus-buttonized-mime-types' and
810 `gnus-unbuttonized-mime-types'."
812 :group 'gnus-article-mime
815 (defcustom gnus-body-boundary-delimiter "_"
816 "String used to delimit header and body.
817 This variable is used by `gnus-article-treat-body-boundary' which can
818 be controlled by `gnus-treat-body-boundary'."
820 :group 'gnus-article-various
821 :type '(choice (item :tag "None" :value nil)
824 (defcustom gnus-picon-databases '("/usr/lib/picon" "/usr/local/faces"
826 "Defines the location of the faces database.
827 For information on obtaining this database of pretty pictures, please
828 see http://www.cs.indiana.edu/picons/ftp/index.html"
830 :type '(repeat directory)
831 :link '(url-link :tag "download"
832 "http://www.cs.indiana.edu/picons/ftp/index.html")
833 :link '(custom-manual "(gnus)Picons")
836 (defun gnus-picons-installed-p ()
837 "Say whether picons are installed on your machine."
838 (let ((installed nil))
839 (dolist (database gnus-picon-databases)
840 (when (file-exists-p database)
844 (defcustom gnus-article-mime-part-function nil
845 "Function called with a MIME handle as the argument.
846 This is meant for people who want to do something automatic based
847 on parts -- for instance, adding Vcard info to a database."
848 :group 'gnus-article-mime
851 (defcustom gnus-mime-multipart-functions nil
852 "An alist of MIME types to functions to display them."
854 :group 'gnus-article-mime
855 :type '(repeat (cons :format "%v" (string :tag "MIME type") function)))
857 (defcustom gnus-article-date-lapsed-new-header nil
858 "Whether the X-Sent and Date headers can coexist.
859 When using `gnus-treat-date-lapsed', the \"X-Sent:\" header will
860 either replace the old \"Date:\" header (if this variable is nil), or
861 be added below it (otherwise)."
863 :group 'gnus-article-headers
866 (defcustom gnus-article-mime-match-handle-function 'undisplayed-alternative
867 "Function called with a MIME handle as the argument.
868 This is meant for people who want to view first matched part.
869 For `undisplayed-alternative' (default), the first undisplayed
870 part or alternative part is used. For `undisplayed', the first
871 undisplayed part is used. For a function, the first part which
872 the function return t is used. For nil, the first part is
875 :group 'gnus-article-mime
877 (item :tag "first" :value nil)
878 (item :tag "undisplayed" :value undisplayed)
879 (item :tag "undisplayed or alternative"
880 :value undisplayed-alternative)
883 (defcustom gnus-mime-action-alist
884 '(("save to file" . gnus-mime-save-part)
885 ("save and strip" . gnus-mime-save-part-and-strip)
886 ("delete part" . gnus-mime-delete-part)
887 ("display as text" . gnus-mime-inline-part)
888 ("view the part" . gnus-mime-view-part)
889 ("pipe to command" . gnus-mime-pipe-part)
890 ("toggle display" . gnus-article-press-button)
891 ("toggle display" . gnus-article-view-part-as-charset)
892 ("view as type" . gnus-mime-view-part-as-type)
893 ("view internally" . gnus-mime-view-part-internally)
894 ("view externally" . gnus-mime-view-part-externally))
895 "An alist of actions that run on the MIME attachment."
896 :group 'gnus-article-mime
897 :type '(repeat (cons (string :tag "name")
901 ;;; The treatment variables
904 (defvar gnus-part-display-hook nil
905 "Hook called on parts that are to receive treatment.")
907 (defvar gnus-article-treat-custom
908 '(choice (const :tag "Off" nil)
910 (const :tag "Header" head)
911 (const :tag "Last" last)
912 (const :tag "Mime" mime)
913 (integer :tag "Less")
914 (repeat :tag "Groups" regexp)
915 (sexp :tag "Predicate")))
917 (defvar gnus-article-treat-head-custom
918 '(choice (const :tag "Off" nil)
919 (const :tag "Header" head)))
921 (defvar gnus-article-treat-types '("text/plain")
924 (defvar gnus-inhibit-treatment nil
925 "Whether to inhibit treatment.")
927 (defcustom gnus-treat-highlight-signature '(or t (typep "text/x-vcard"))
928 "Highlight the signature.
929 Valid values are nil, t, `head', `last', an integer or a predicate.
930 See Info node `(gnus)Customizing Articles'."
931 :group 'gnus-article-treat
932 :link '(custom-manual "(gnus)Customizing Articles")
933 :type gnus-article-treat-custom)
934 (put 'gnus-treat-highlight-signature 'highlight t)
936 (defcustom gnus-treat-buttonize 100000
938 Valid values are nil, t, `head', `last', an integer or a predicate.
939 See Info node `(gnus)Customizing Articles'."
940 :group 'gnus-article-treat
941 :link '(custom-manual "(gnus)Customizing Articles")
942 :type gnus-article-treat-custom)
943 (put 'gnus-treat-buttonize 'highlight t)
945 (defcustom gnus-treat-buttonize-head 'head
946 "Add buttons to the head.
947 Valid values are nil, t, `head', `last', an integer or a predicate.
948 See Info node `(gnus)Customizing Articles' for details."
949 :group 'gnus-article-treat
950 :link '(custom-manual "(gnus)Customizing Articles")
951 :type gnus-article-treat-head-custom)
952 (put 'gnus-treat-buttonize-head 'highlight t)
954 (defcustom gnus-treat-emphasize
955 (and (or window-system
959 Valid values are nil, t, `head', `last', an integer or a predicate.
960 See Info node `(gnus)Customizing Articles' for details."
961 :group 'gnus-article-treat
962 :link '(custom-manual "(gnus)Customizing Articles")
963 :type gnus-article-treat-custom)
964 (put 'gnus-treat-emphasize 'highlight t)
966 (defcustom gnus-treat-strip-cr nil
967 "Remove carriage returns.
968 Valid values are nil, t, `head', `last', an integer or a predicate.
969 See Info node `(gnus)Customizing Articles' for details."
971 :group 'gnus-article-treat
972 :link '(custom-manual "(gnus)Customizing Articles")
973 :type gnus-article-treat-custom)
975 (defcustom gnus-treat-unsplit-urls nil
976 "Remove newlines from within URLs.
977 Valid values are nil, t, `head', `last', an integer or a predicate.
978 See Info node `(gnus)Customizing Articles' for details."
979 :group 'gnus-article-treat
980 :link '(custom-manual "(gnus)Customizing Articles")
981 :type gnus-article-treat-custom)
983 (defcustom gnus-treat-leading-whitespace nil
984 "Remove leading whitespace in headers.
985 Valid values are nil, t, `head', `last', an integer or a predicate.
986 See Info node `(gnus)Customizing Articles' for details."
988 :group 'gnus-article-treat
989 :link '(custom-manual "(gnus)Customizing Articles")
990 :type gnus-article-treat-custom)
992 (defcustom gnus-treat-hide-headers 'head
994 Valid values are nil, t, `head', `last', an integer or a predicate.
995 See Info node `(gnus)Customizing Articles' for details."
996 :group 'gnus-article-treat
997 :link '(custom-manual "(gnus)Customizing Articles")
998 :type gnus-article-treat-head-custom)
1000 (defcustom gnus-treat-hide-boring-headers nil
1001 "Hide boring headers.
1002 Valid values are nil, t, `head', `last', an integer or a predicate.
1003 See Info node `(gnus)Customizing Articles' for details."
1004 :group 'gnus-article-treat
1005 :link '(custom-manual "(gnus)Customizing Articles")
1006 :type gnus-article-treat-head-custom)
1008 (defcustom gnus-treat-hide-signature nil
1009 "Hide the signature.
1010 Valid values are nil, t, `head', `last', an integer or a predicate.
1011 See Info node `(gnus)Customizing Articles' for details."
1012 :group 'gnus-article-treat
1013 :link '(custom-manual "(gnus)Customizing Articles")
1014 :type gnus-article-treat-custom)
1016 (defcustom gnus-treat-fill-article nil
1018 Valid values are nil, t, `head', `last', an integer or a predicate.
1019 See Info node `(gnus)Customizing Articles' for details."
1020 :group 'gnus-article-treat
1021 :link '(custom-manual "(gnus)Customizing Articles")
1022 :type gnus-article-treat-custom)
1024 (defcustom gnus-treat-hide-citation nil
1026 Valid values are nil, t, `head', `last', an integer or a predicate.
1027 See Info node `(gnus)Customizing Articles' for details."
1028 :group 'gnus-article-treat
1029 :link '(custom-manual "(gnus)Customizing Articles")
1030 :type gnus-article-treat-custom)
1032 (defcustom gnus-treat-hide-citation-maybe nil
1034 Valid values are nil, t, `head', `last', an integer or a predicate.
1035 See Info node `(gnus)Customizing Articles' for details."
1036 :group 'gnus-article-treat
1037 :link '(custom-manual "(gnus)Customizing Articles")
1038 :type gnus-article-treat-custom)
1040 (defcustom gnus-treat-strip-list-identifiers 'head
1041 "Strip list identifiers from `gnus-list-identifiers`.
1042 Valid values are nil, t, `head', `last', an integer or a predicate.
1043 See Info node `(gnus)Customizing Articles' for details."
1045 :group 'gnus-article-treat
1046 :link '(custom-manual "(gnus)Customizing Articles")
1047 :type gnus-article-treat-custom)
1049 (make-obsolete-variable 'gnus-treat-strip-pgp
1050 "This option is obsolete in Gnus 5.10.")
1052 (defcustom gnus-treat-strip-pem nil
1053 "Strip PEM signatures.
1054 Valid values are nil, t, `head', `last', an integer or a predicate.
1055 See Info node `(gnus)Customizing Articles' for details."
1056 :group 'gnus-article-treat
1057 :link '(custom-manual "(gnus)Customizing Articles")
1058 :type gnus-article-treat-custom)
1060 (defcustom gnus-treat-strip-banner t
1061 "Strip banners from articles.
1062 The banner to be stripped is specified in the `banner' group parameter.
1063 Valid values are nil, t, `head', `last', an integer or a predicate.
1064 See Info node `(gnus)Customizing Articles' for details."
1065 :group 'gnus-article-treat
1066 :link '(custom-manual "(gnus)Customizing Articles")
1067 :type gnus-article-treat-custom)
1069 (defcustom gnus-treat-highlight-headers 'head
1070 "Highlight the headers.
1071 Valid values are nil, t, `head', `last', an integer or a predicate.
1072 See Info node `(gnus)Customizing Articles' for details."
1073 :group 'gnus-article-treat
1074 :link '(custom-manual "(gnus)Customizing Articles")
1075 :type gnus-article-treat-head-custom)
1076 (put 'gnus-treat-highlight-headers 'highlight t)
1078 (defcustom gnus-treat-highlight-citation t
1079 "Highlight cited text.
1080 Valid values are nil, t, `head', `last', an integer or a predicate.
1081 See Info node `(gnus)Customizing Articles' for details."
1082 :group 'gnus-article-treat
1083 :link '(custom-manual "(gnus)Customizing Articles")
1084 :type gnus-article-treat-custom)
1085 (put 'gnus-treat-highlight-citation 'highlight t)
1087 (defcustom gnus-treat-date-ut nil
1088 "Display the Date in UT (GMT).
1089 Valid values are nil, t, `head', `last', an integer or a predicate.
1090 See Info node `(gnus)Customizing Articles' for details."
1091 :group 'gnus-article-treat
1092 :link '(custom-manual "(gnus)Customizing Articles")
1093 :type gnus-article-treat-head-custom)
1095 (defcustom gnus-treat-date-local nil
1096 "Display the Date in the local timezone.
1097 Valid values are nil, t, `head', `last', an integer or a predicate.
1098 See Info node `(gnus)Customizing Articles' for details."
1099 :group 'gnus-article-treat
1100 :link '(custom-manual "(gnus)Customizing Articles")
1101 :type gnus-article-treat-head-custom)
1103 (defcustom gnus-treat-date-english nil
1104 "Display the Date in a format that can be read aloud in English.
1105 Valid values are nil, t, `head', `last', an integer or a predicate.
1106 See Info node `(gnus)Customizing Articles' for details."
1108 :group 'gnus-article-treat
1109 :link '(custom-manual "(gnus)Customizing Articles")
1110 :type gnus-article-treat-head-custom)
1112 (defcustom gnus-treat-date-lapsed nil
1113 "Display the Date header in a way that says how much time has elapsed.
1114 Valid values are nil, t, `head', `last', an integer or a predicate.
1115 See Info node `(gnus)Customizing Articles' for details."
1116 :group 'gnus-article-treat
1117 :link '(custom-manual "(gnus)Customizing Articles")
1118 :type gnus-article-treat-head-custom)
1120 (defcustom gnus-treat-date-original nil
1121 "Display the date in the original timezone.
1122 Valid values are nil, t, `head', `last', an integer or a predicate.
1123 See Info node `(gnus)Customizing Articles' for details."
1124 :group 'gnus-article-treat
1125 :link '(custom-manual "(gnus)Customizing Articles")
1126 :type gnus-article-treat-head-custom)
1128 (defcustom gnus-treat-date-iso8601 nil
1129 "Display the date in the ISO8601 format.
1130 Valid values are nil, t, `head', `last', an integer or a predicate.
1131 See Info node `(gnus)Customizing Articles' for details."
1133 :group 'gnus-article-treat
1134 :link '(custom-manual "(gnus)Customizing Articles")
1135 :type gnus-article-treat-head-custom)
1137 (defcustom gnus-treat-date-user-defined nil
1138 "Display the date in a user-defined format.
1139 The format is defined by the `gnus-article-time-format' variable.
1140 Valid values are nil, t, `head', `last', an integer or a predicate.
1141 See Info node `(gnus)Customizing Articles' for details."
1142 :group 'gnus-article-treat
1143 :link '(custom-manual "(gnus)Customizing Articles")
1144 :type gnus-article-treat-head-custom)
1146 (defcustom gnus-treat-strip-headers-in-body t
1147 "Strip the X-No-Archive header line from the beginning of the body.
1148 Valid values are nil, t, `head', `last', an integer or a predicate.
1149 See Info node `(gnus)Customizing Articles' for details."
1151 :group 'gnus-article-treat
1152 :link '(custom-manual "(gnus)Customizing Articles")
1153 :type gnus-article-treat-custom)
1155 (defcustom gnus-treat-strip-trailing-blank-lines nil
1156 "Strip trailing blank lines.
1157 Valid values are nil, t, `head', `last', an integer or a predicate.
1158 See Info node `(gnus)Customizing Articles' for details."
1159 :group 'gnus-article-treat
1160 :link '(custom-manual "(gnus)Customizing Articles")
1161 :type gnus-article-treat-custom)
1163 (defcustom gnus-treat-strip-leading-blank-lines nil
1164 "Strip leading blank lines.
1165 Valid values are nil, t, `head', `last', an integer or a predicate.
1166 See Info node `(gnus)Customizing Articles' for details."
1167 :group 'gnus-article-treat
1168 :link '(custom-manual "(gnus)Customizing Articles")
1169 :type gnus-article-treat-custom)
1171 (defcustom gnus-treat-strip-multiple-blank-lines nil
1172 "Strip multiple blank lines.
1173 Valid values are nil, t, `head', `last', an integer or a predicate.
1174 See Info node `(gnus)Customizing Articles' for details."
1175 :group 'gnus-article-treat
1176 :link '(custom-manual "(gnus)Customizing Articles")
1177 :type gnus-article-treat-custom)
1179 (defcustom gnus-treat-unfold-headers 'head
1180 "Unfold folded header lines.
1181 Valid values are nil, t, `head', `last', an integer or a predicate.
1182 See Info node `(gnus)Customizing Articles' for details."
1183 :group 'gnus-article-treat
1184 :link '(custom-manual "(gnus)Customizing Articles")
1185 :type gnus-article-treat-custom)
1187 (defcustom gnus-treat-fold-headers nil
1189 Valid values are nil, t, `head', `last', an integer or a predicate.
1190 See Info node `(gnus)Customizing Articles' for details."
1192 :group 'gnus-article-treat
1193 :link '(custom-manual "(gnus)Customizing Articles")
1194 :type gnus-article-treat-custom)
1196 (defcustom gnus-treat-fold-newsgroups 'head
1197 "Fold the Newsgroups and Followup-To headers.
1198 Valid values are nil, t, `head', `last', an integer or a predicate.
1199 See Info node `(gnus)Customizing Articles' for details."
1201 :group 'gnus-article-treat
1202 :link '(custom-manual "(gnus)Customizing Articles")
1203 :type gnus-article-treat-custom)
1205 (defcustom gnus-treat-overstrike t
1206 "Treat overstrike highlighting.
1207 Valid values are nil, t, `head', `last', an integer or a predicate.
1208 See Info node `(gnus)Customizing Articles' for details."
1209 :group 'gnus-article-treat
1210 :link '(custom-manual "(gnus)Customizing Articles")
1211 :type gnus-article-treat-custom)
1212 (put 'gnus-treat-overstrike 'highlight t)
1214 (defcustom gnus-treat-ansi-sequences (if (locate-library "ansi-color") t)
1215 "Treat ANSI SGR control sequences.
1216 Valid values are nil, t, `head', `last', an integer or a predicate.
1217 See Info node `(gnus)Customizing Articles' for details."
1218 :group 'gnus-article-treat
1219 :link '(custom-manual "(gnus)Customizing Articles")
1220 :type gnus-article-treat-custom)
1222 (make-obsolete-variable 'gnus-treat-display-xface
1223 'gnus-treat-display-x-face)
1225 (defcustom gnus-treat-display-x-face
1226 (and (not noninteractive)
1227 (or (eq gnus-article-x-face-command
1228 'x-face-mule-gnus-article-display-x-face)
1229 (and (fboundp 'image-type-available-p)
1230 (image-type-available-p 'xbm)
1231 (string-match "^0x" (shell-command-to-string "uncompface"))
1232 (executable-find "icontopbm"))
1233 (and (featurep 'xemacs)
1236 "Display X-Face headers.
1237 Valid values are nil, t, `head', `last', an integer or a predicate.
1238 See Info node `(gnus)Customizing Articles' and Info node
1239 `(gnus)X-Face' for details."
1240 :group 'gnus-article-treat
1242 :link '(custom-manual "(gnus)Customizing Articles")
1243 :link '(custom-manual "(gnus)X-Face")
1244 :type gnus-article-treat-head-custom
1245 :set (lambda (symbol value)
1248 (cond ((or (boundp symbol) (get symbol 'saved-value))
1250 ((boundp 'gnus-treat-display-xface)
1252 ** gnus-treat-display-xface is an obsolete variable;\
1253 use gnus-treat-display-x-face instead")
1254 (default-value 'gnus-treat-display-xface))
1255 ((get 'gnus-treat-display-xface 'saved-value)
1257 ** gnus-treat-display-xface is an obsolete variable;\
1258 use gnus-treat-display-x-face instead")
1259 (eval (car (get 'gnus-treat-display-xface 'saved-value))))
1262 (put 'gnus-treat-display-x-face 'highlight t)
1264 (defcustom gnus-article-should-use-smiley-mule
1265 (not (or (featurep 'xemacs)
1266 (gnus-image-type-available-p 'xpm)
1267 (gnus-image-type-available-p 'pbm)))
1268 "Non-nil means use `smiley-mule' to show smileys rather than `smiley'.
1269 `smiley-mule' is boundled in BITMAP-MULE package. You can set it to t
1270 even if your Emacs supports images. It has no effect on XEmacs."
1271 :group 'gnus-article-various
1273 :get (lambda (symbol)
1274 (and (not noninteractive)
1275 (default-value symbol)
1276 (not (featurep 'xemacs))
1277 (module-installed-p 'smiley-mule)
1279 :set (lambda (symbol value)
1280 (set-default symbol (and (not noninteractive)
1282 (not (featurep 'xemacs))
1283 (module-installed-p 'smiley-mule)
1286 (defvar gnus-article-smiley-mule-loaded-p nil
1287 "Internal variable used to say whether `smiley-mule' is loaded (whether
1288 smiley functions are not overridden by `smiley').")
1290 (defcustom gnus-treat-display-face
1291 (and (not noninteractive)
1292 (or (and (fboundp 'image-type-available-p)
1293 (image-type-available-p 'png))
1294 (and (featurep 'xemacs)
1297 "Display Face headers.
1298 Valid values are nil, t, `head', `last', an integer or a predicate.
1299 See Info node `(gnus)Customizing Articles' and Info node
1300 `(gnus)X-Face' for details."
1301 :group 'gnus-article-treat
1303 :link '(custom-manual "(gnus)Customizing Articles")
1304 :link '(custom-manual "(gnus)X-Face")
1305 :type gnus-article-treat-head-custom)
1306 (put 'gnus-treat-display-face 'highlight t)
1308 (defcustom gnus-treat-display-smileys
1309 (if (and (not noninteractive)
1310 (or (and (featurep 'xemacs)
1312 (gnus-image-type-available-p 'xpm)
1313 (gnus-image-type-available-p 'pbm)
1314 (and (not (featurep 'xemacs))
1316 (module-installed-p 'smiley-mule))))
1320 Valid values are nil, t, `head', `last', an integer or a predicate.
1321 See Info node `(gnus)Customizing Articles' and Info node
1322 `(gnus)Smileys' for details."
1323 :group 'gnus-article-treat
1325 :link '(custom-manual "(gnus)Customizing Articles")
1326 :link '(custom-manual "(gnus)Smileys")
1327 :type gnus-article-treat-custom)
1328 (put 'gnus-treat-display-smileys 'highlight t)
1330 (defcustom gnus-treat-from-picon
1331 (if (and (gnus-image-type-available-p 'xpm)
1332 (gnus-picons-installed-p))
1334 "Display picons in the From header.
1335 Valid values are nil, t, `head', `last', an integer or a predicate.
1336 See Info node `(gnus)Customizing Articles' and Info node
1337 `(gnus)Picons' for details."
1338 :group 'gnus-article-treat
1340 :link '(custom-manual "(gnus)Customizing Articles")
1341 :link '(custom-manual "(gnus)Picons")
1342 :type gnus-article-treat-head-custom)
1343 (put 'gnus-treat-from-picon 'highlight t)
1345 (defcustom gnus-treat-mail-picon
1346 (if (and (gnus-image-type-available-p 'xpm)
1347 (gnus-picons-installed-p))
1349 "Display picons in To and Cc headers.
1350 Valid values are nil, t, `head', `last', an integer or a predicate.
1351 See Info node `(gnus)Customizing Articles' and Info node
1352 `(gnus)Picons' for details."
1353 :group 'gnus-article-treat
1355 :link '(custom-manual "(gnus)Customizing Articles")
1356 :link '(custom-manual "(gnus)Picons")
1357 :type gnus-article-treat-head-custom)
1358 (put 'gnus-treat-mail-picon 'highlight t)
1360 (defcustom gnus-treat-newsgroups-picon
1361 (if (and (gnus-image-type-available-p 'xpm)
1362 (gnus-picons-installed-p))
1364 "Display picons in the Newsgroups and Followup-To headers.
1365 Valid values are nil, t, `head', `last', an integer or a predicate.
1366 See Info node `(gnus)Customizing Articles' and Info node
1367 `(gnus)Picons' for details."
1369 :group 'gnus-article-treat
1371 :link '(custom-manual "(gnus)Customizing Articles")
1372 :link '(custom-manual "(gnus)Picons")
1373 :type gnus-article-treat-head-custom)
1374 (put 'gnus-treat-newsgroups-picon 'highlight t)
1376 (defcustom gnus-treat-body-boundary
1377 (if (and (eq window-system 'x)
1378 (or gnus-treat-newsgroups-picon
1379 gnus-treat-mail-picon
1380 gnus-treat-from-picon))
1382 "Draw a boundary at the end of the headers.
1383 Valid values are nil and `head'.
1384 See Info node `(gnus)Customizing Articles' for details."
1386 :group 'gnus-article-treat
1387 :link '(custom-manual "(gnus)Customizing Articles")
1388 :type gnus-article-treat-head-custom)
1390 (defcustom gnus-treat-capitalize-sentences nil
1391 "Capitalize sentence-starting words.
1392 Valid values are nil, t, `head', `last', an integer or a predicate.
1393 See Info node `(gnus)Customizing Articles' for details."
1395 :group 'gnus-article-treat
1396 :link '(custom-manual "(gnus)Customizing Articles")
1397 :type gnus-article-treat-custom)
1399 (defcustom gnus-treat-wash-html nil
1401 Valid values are nil, t, `head', `last', an integer or a predicate.
1402 See Info node `(gnus)Customizing Articles' for details."
1404 :group 'gnus-article-treat
1405 :link '(custom-manual "(gnus)Customizing Articles")
1406 :type gnus-article-treat-custom)
1408 (defcustom gnus-treat-fill-long-lines nil
1410 Valid values are nil, t, `head', `last', an integer or a predicate.
1411 See Info node `(gnus)Customizing Articles' for details."
1412 :group 'gnus-article-treat
1413 :link '(custom-manual "(gnus)Customizing Articles")
1414 :type gnus-article-treat-custom)
1416 (defcustom gnus-treat-play-sounds nil
1418 Valid values are nil, t, `head', `last', an integer or a predicate.
1419 See Info node `(gnus)Customizing Articles' for details."
1421 :group 'gnus-article-treat
1422 :link '(custom-manual "(gnus)Customizing Articles")
1423 :type gnus-article-treat-custom)
1425 (defcustom gnus-treat-decode-article-as-default-mime-charset nil
1426 "Decode an article as `default-mime-charset'. For instance, if you want to
1427 attempt to decode an article even if the value of `gnus-show-mime' is nil,
1428 you could set this variable to something like: nil for don't decode, t for
1429 decode the body, '(or header t) for the whole article, etc."
1430 :group 'gnus-article-treat
1431 :type '(radio (const :tag "Off" nil)
1432 (const :tag "Decode body" t)
1433 (const :tag "Decode all" (or head t))))
1435 (defcustom gnus-treat-translate nil
1436 "Translate articles from one language to another.
1437 Valid values are nil, t, `head', `last', an integer or a predicate.
1438 See Info node `(gnus)Customizing Articles' for details."
1440 :group 'gnus-article-treat
1441 :link '(custom-manual "(gnus)Customizing Articles")
1442 :type gnus-article-treat-custom)
1444 (defcustom gnus-treat-x-pgp-sig nil
1446 To automatically treat X-PGP-Sig, set it to head.
1447 Valid values are nil, t, `head', `last', an integer or a predicate.
1448 See Info node `(gnus)Customizing Articles' for details."
1449 :group 'gnus-article-treat
1450 :group 'mime-security
1451 :type gnus-article-treat-custom)
1453 (defcustom gnus-treat-monafy nil
1454 "Display body part with mona font.
1455 Valid values are nil, t, `head', `last', an integer or a predicate.
1456 See Info node `(gnus)Customizing Articles' for details."
1457 :group 'gnus-article-treat
1458 :group 'mime-security
1459 :link '(custom-manual "(gnus)Customizing Articles")
1460 :type gnus-article-treat-custom)
1462 (defvar gnus-article-encrypt-protocol-alist
1463 '(("PGP" . mml2015-self-encrypt)))
1465 ;; Set to nil if more than one protocol added to
1466 ;; gnus-article-encrypt-protocol-alist.
1467 (defcustom gnus-article-encrypt-protocol "PGP"
1468 "The protocol used for encrypt articles.
1469 It is a string, such as \"PGP\". If nil, ask user."
1472 :group 'mime-security)
1474 (defvar gnus-article-wash-function nil
1475 "Function used for converting HTML into text.")
1477 (defcustom gnus-use-idna (and (condition-case nil (require 'idna) (file-error))
1478 (mm-coding-system-p 'utf-8)
1479 (executable-find idna-program))
1480 "Whether IDNA decoding of headers is used when viewing messages.
1481 This requires GNU Libidn, and by default only enabled if it is found."
1483 :group 'gnus-article-headers
1486 (defcustom gnus-article-over-scroll nil
1487 "If non-nil, allow scrolling the article buffer even when there no more text."
1489 :group 'gnus-article
1492 ;;; Internal variables
1494 (defvar gnus-english-month-names
1495 '("January" "February" "March" "April" "May" "June" "July" "August"
1496 "September" "October" "November" "December"))
1498 (defvar gnus-button-regexp nil)
1499 (defvar gnus-button-marker-list nil)
1500 ;; Regexp matching any of the regexps from `gnus-button-alist'.
1502 (defvar gnus-button-last nil)
1503 ;; The value of `gnus-button-alist' when `gnus-button-regexp' was build.
1505 (defvar article-goto-body-goes-to-point-min-p nil)
1506 (defvar gnus-article-wash-types nil)
1507 (defvar gnus-article-emphasis-alist nil)
1508 (defvar gnus-article-image-alist nil)
1510 (defvar gnus-article-mime-handle-alist-1 nil)
1511 (defvar gnus-treatment-function-alist
1512 '((gnus-treat-decode-article-as-default-mime-charset
1513 gnus-article-decode-article-as-default-mime-charset)
1514 (gnus-treat-x-pgp-sig gnus-article-verify-x-pgp-sig)
1515 (gnus-treat-monafy gnus-article-monafy)
1516 (gnus-treat-strip-banner gnus-article-strip-banner)
1517 (gnus-treat-strip-headers-in-body gnus-article-strip-headers-in-body)
1518 (gnus-treat-buttonize gnus-article-add-buttons)
1519 (gnus-treat-fill-article gnus-article-fill-cited-article)
1520 (gnus-treat-fill-long-lines gnus-article-fill-long-lines)
1521 (gnus-treat-strip-cr gnus-article-remove-cr)
1522 (gnus-treat-unsplit-urls gnus-article-unsplit-urls)
1523 (gnus-treat-date-ut gnus-article-date-ut)
1524 (gnus-treat-date-local gnus-article-date-local)
1525 (gnus-treat-date-english gnus-article-date-english)
1526 (gnus-treat-date-lapsed gnus-article-date-lapsed)
1527 (gnus-treat-date-original gnus-article-date-original)
1528 (gnus-treat-date-user-defined gnus-article-date-user)
1529 (gnus-treat-date-iso8601 gnus-article-date-iso8601)
1530 (gnus-treat-display-face gnus-article-display-face)
1531 (gnus-treat-hide-headers gnus-article-maybe-hide-headers)
1532 (gnus-treat-hide-boring-headers gnus-article-hide-boring-headers)
1533 (gnus-treat-hide-signature gnus-article-hide-signature)
1534 (gnus-treat-strip-list-identifiers gnus-article-hide-list-identifiers)
1535 (gnus-treat-leading-whitespace gnus-article-remove-leading-whitespace)
1536 (gnus-treat-strip-pem gnus-article-hide-pem)
1537 (gnus-treat-from-picon gnus-treat-from-picon)
1538 (gnus-treat-mail-picon gnus-treat-mail-picon)
1539 (gnus-treat-newsgroups-picon gnus-treat-newsgroups-picon)
1540 (gnus-treat-highlight-headers gnus-article-highlight-headers)
1541 (gnus-treat-highlight-signature gnus-article-highlight-signature)
1542 (gnus-treat-strip-trailing-blank-lines
1543 gnus-article-remove-trailing-blank-lines)
1544 (gnus-treat-strip-leading-blank-lines
1545 gnus-article-strip-leading-blank-lines)
1546 (gnus-treat-strip-multiple-blank-lines
1547 gnus-article-strip-multiple-blank-lines)
1548 (gnus-treat-overstrike gnus-article-treat-overstrike)
1549 (gnus-treat-ansi-sequences gnus-article-treat-ansi-sequences)
1550 (gnus-treat-unfold-headers gnus-article-treat-unfold-headers)
1551 (gnus-treat-fold-headers gnus-article-treat-fold-headers)
1552 ;; Displaying X-Face should be done after unfolding headers
1553 ;; to protect bitmap lines.
1554 (gnus-treat-display-x-face gnus-article-display-x-face)
1555 (gnus-treat-fold-newsgroups gnus-article-treat-fold-newsgroups)
1556 (gnus-treat-buttonize-head gnus-article-add-buttons-to-head)
1557 (gnus-treat-display-smileys gnus-treat-smiley)
1558 (gnus-treat-capitalize-sentences gnus-article-capitalize-sentences)
1559 (gnus-treat-wash-html gnus-article-wash-html)
1560 (gnus-treat-emphasize gnus-article-emphasize)
1561 (gnus-treat-hide-citation gnus-article-hide-citation)
1562 (gnus-treat-hide-citation-maybe gnus-article-hide-citation-maybe)
1563 (gnus-treat-highlight-citation gnus-article-highlight-citation)
1564 (gnus-treat-body-boundary gnus-article-treat-body-boundary)
1565 (gnus-treat-play-sounds gnus-earcon-display)))
1567 (defvar gnus-article-mime-handle-alist nil)
1568 (defvar article-lapsed-timer nil)
1569 (defvar gnus-article-current-summary nil)
1571 (defvar gnus-article-mode-syntax-table
1572 (let ((table (copy-syntax-table text-mode-syntax-table)))
1573 ;; This causes the citation match run O(2^n).
1574 ;; (modify-syntax-entry ?- "w" table)
1575 (modify-syntax-entry ?> ")<" table)
1576 (modify-syntax-entry ?< "(>" table)
1577 ;; make M-. in article buffers work for `foo' strings
1578 (modify-syntax-entry ?' " " table)
1579 (modify-syntax-entry ?` " " table)
1581 "Syntax table used in article mode buffers.
1582 Initialized from `text-mode-syntax-table.")
1584 (defvar gnus-save-article-buffer nil)
1586 (defvar gnus-article-mode-line-format-alist
1587 (nconc '((?w (gnus-article-wash-status) ?s)
1588 (?m (gnus-article-mime-part-status) ?s))
1589 gnus-summary-mode-line-format-alist))
1591 (defvar gnus-number-of-articles-to-be-saved nil)
1593 (defvar gnus-inhibit-hiding nil)
1595 (defvar gnus-article-edit-mode nil)
1597 ;;; Macros for dealing with the article buffer.
1599 (defmacro gnus-with-article-headers (&rest forms)
1601 (set-buffer gnus-article-buffer)
1603 (let ((inhibit-read-only t)
1604 (inhibit-point-motion-hooks t)
1605 (case-fold-search t))
1606 (article-narrow-to-head)
1609 (put 'gnus-with-article-headers 'lisp-indent-function 0)
1610 (put 'gnus-with-article-headers 'edebug-form-spec '(body))
1612 (defmacro gnus-with-article-buffer (&rest forms)
1614 (set-buffer gnus-article-buffer)
1615 (let ((inhibit-read-only t))
1618 (put 'gnus-with-article-buffer 'lisp-indent-function 0)
1619 (put 'gnus-with-article-buffer 'edebug-form-spec '(body))
1621 (defun gnus-article-goto-header (header)
1622 "Go to HEADER, which is a regular expression."
1623 (re-search-forward (concat "^\\(" header "\\):") nil t))
1625 (defsubst gnus-article-hide-text (b e props)
1626 "Set text PROPS on the B to E region, extending `intangible' 1 past B."
1627 (gnus-add-text-properties-when 'article-type nil b e props)
1628 (when (memq 'intangible props)
1630 (max (1- b) (point-min))
1631 b 'intangible (cddr (memq 'intangible props)))))
1633 (defsubst gnus-article-unhide-text (b e)
1634 "Remove hidden text properties from region between B and E."
1635 (remove-text-properties b e gnus-hidden-properties)
1636 (when (memq 'intangible gnus-hidden-properties)
1637 (put-text-property (max (1- b) (point-min))
1638 b 'intangible nil)))
1640 (defun gnus-article-hide-text-type (b e type)
1641 "Hide text of TYPE between B and E."
1642 (gnus-add-wash-type type)
1643 (gnus-article-hide-text
1644 b e (cons 'article-type (cons type gnus-hidden-properties))))
1646 (defun gnus-article-unhide-text-type (b e type)
1647 "Unhide text of TYPE between B and E."
1648 (gnus-delete-wash-type type)
1649 (remove-text-properties
1650 b e (cons 'article-type (cons type gnus-hidden-properties)))
1651 (when (memq 'intangible gnus-hidden-properties)
1652 (put-text-property (max (1- b) (point-min))
1653 b 'intangible nil)))
1655 (defun gnus-article-hide-text-of-type (type)
1656 "Hide text of TYPE in the current buffer."
1658 (let ((b (point-min))
1660 (while (setq b (text-property-any b e 'article-type type))
1661 (add-text-properties b (incf b) gnus-hidden-properties)))))
1663 (defun gnus-article-delete-text-of-type (type)
1664 "Delete text of TYPE in the current buffer."
1666 (let ((b (point-min)))
1667 (while (setq b (text-property-any b (point-max) 'article-type type))
1669 b (or (text-property-not-all b (point-max) 'article-type type)
1672 (defun gnus-article-delete-invisible-text ()
1673 "Delete all invisible text in the current buffer."
1675 (let ((b (point-min)))
1676 (while (setq b (text-property-any b (point-max) 'invisible t))
1678 b (or (text-property-not-all b (point-max) 'invisible t)
1681 (defun gnus-article-text-type-exists-p (type)
1682 "Say whether any text of type TYPE exists in the buffer."
1683 (text-property-any (point-min) (point-max) 'article-type type))
1685 (defsubst gnus-article-header-rank ()
1686 "Give the rank of the string HEADER as given by `gnus-sorted-header-list'."
1687 (let ((list gnus-sorted-header-list)
1690 (if (looking-at (car list))
1692 (setq list (cdr list))
1696 (defun article-hide-headers (&optional arg delete)
1697 "Hide unwanted headers and possibly sort them as well."
1698 (interactive (gnus-article-hidden-arg))
1699 ;; Lars said that this function might be inhibited.
1700 (if (gnus-article-check-hidden-text 'headers arg)
1702 ;; Show boring headers as well.
1703 (gnus-article-show-hidden-text 'boring-headers)
1704 (when (eq 1 (point-min))
1705 (set-window-start (get-buffer-window (current-buffer)) 1)))
1706 (unless gnus-inhibit-hiding
1707 (let ((inhibit-read-only t)
1708 (case-fold-search t)
1709 (max (1+ (length gnus-sorted-header-list)))
1710 (inhibit-point-motion-hooks t)
1711 (cur (current-buffer))
1712 ignored visible beg)
1714 ;; `gnus-ignored-headers' and `gnus-visible-headers' may be
1715 ;; group parameters, so we should go to the summary buffer.
1718 (progn (set-buffer gnus-summary-buffer) t)
1720 (setq ignored (when (not gnus-visible-headers)
1721 (cond ((stringp gnus-ignored-headers)
1722 gnus-ignored-headers)
1723 ((listp gnus-ignored-headers)
1724 (mapconcat 'identity
1725 gnus-ignored-headers
1727 visible (cond ((stringp gnus-visible-headers)
1728 gnus-visible-headers)
1729 ((and gnus-visible-headers
1730 (listp gnus-visible-headers))
1731 (mapconcat 'identity
1732 gnus-visible-headers
1736 ;; First we narrow to just the headers.
1737 (article-narrow-to-head)
1738 ;; Hide any "From " lines at the beginning of (mail) articles.
1739 (while (looking-at "From ")
1743 (delete-region (point-min) (point))
1744 (gnus-article-hide-text (point-min) (point)
1745 (nconc (list 'article-type 'headers)
1746 gnus-hidden-properties))))
1747 ;; Then treat the rest of the header lines.
1748 ;; Then we use the two regular expressions
1749 ;; `gnus-ignored-headers' and `gnus-visible-headers' to
1750 ;; select which header lines is to remain visible in the
1752 (while (re-search-forward "^[^ \t:]*:" nil t)
1754 ;; Mark the rank of the header.
1756 (point) (1+ (point)) 'message-rank
1757 (if (or (and visible (looking-at visible))
1759 (not (looking-at ignored))))
1760 (gnus-article-header-rank)
1763 (message-sort-headers-1)
1764 (when (setq beg (text-property-any
1765 (point-min) (point-max) 'message-rank (+ 2 max)))
1766 ;; We delete or make invisible the unwanted headers.
1767 (gnus-add-wash-type 'headers)
1770 (add-text-properties
1771 (point-min) (+ 5 (point-min))
1772 '(article-type headers dummy-invisible t))
1773 (delete-region beg (point-max)))
1774 (gnus-article-hide-text-type beg (point-max) 'headers)))))))))
1776 (defun article-hide-boring-headers (&optional arg)
1777 "Toggle hiding of headers that aren't very interesting.
1778 If given a negative prefix, always show; if given a positive prefix,
1780 (interactive (gnus-article-hidden-arg))
1781 (when (and (not (gnus-article-check-hidden-text 'boring-headers arg))
1782 (not gnus-show-all-headers))
1785 (let ((inhibit-read-only t)
1786 (inhibit-point-motion-hooks t))
1787 (article-narrow-to-head)
1788 (dolist (elem gnus-boring-article-headers)
1789 (goto-char (point-min))
1791 ;; Hide empty headers.
1793 (while (re-search-forward "^[^: \t]+:[ \t]*\n[^ \t]" nil t)
1795 (gnus-article-hide-text-type
1799 (if (re-search-forward "^[^ \t]" nil t)
1803 ;; Hide boring Newsgroups header.
1804 ((eq elem 'newsgroups)
1805 (when (gnus-string-equal
1806 (gnus-fetch-field "newsgroups")
1807 (gnus-group-real-name
1808 (if (boundp 'gnus-newsgroup-name)
1811 (gnus-article-hide-header "newsgroups")))
1812 ((eq elem 'to-address)
1813 (let ((to (message-fetch-field "to"))
1815 (gnus-parameter-to-address
1816 (if (boundp 'gnus-newsgroup-name)
1817 gnus-newsgroup-name ""))))
1818 (when (and to to-address
1821 ;; only one address in To
1822 (nth 1 (mail-extract-address-components to))
1824 (gnus-article-hide-header "to"))))
1826 (let ((to (message-fetch-field "to"))
1828 (gnus-parameter-to-list
1829 (if (boundp 'gnus-newsgroup-name)
1830 gnus-newsgroup-name ""))))
1831 (when (and to to-list
1834 ;; only one address in To
1835 (nth 1 (mail-extract-address-components to))
1837 (gnus-article-hide-header "to"))))
1839 (let ((cc (message-fetch-field "cc"))
1841 (gnus-parameter-to-list
1842 (if (boundp 'gnus-newsgroup-name)
1843 gnus-newsgroup-name ""))))
1844 (when (and cc to-list
1847 ;; only one address in CC
1848 (nth 1 (mail-extract-address-components cc))
1850 (gnus-article-hide-header "cc"))))
1851 ((eq elem 'followup-to)
1852 (when (gnus-string-equal
1853 (message-fetch-field "followup-to")
1854 (message-fetch-field "newsgroups"))
1855 (gnus-article-hide-header "followup-to")))
1856 ((eq elem 'reply-to)
1857 (if (gnus-group-find-parameter
1858 gnus-newsgroup-name 'broken-reply-to)
1859 (gnus-article-hide-header "reply-to")
1860 (let ((from (message-fetch-field "from"))
1861 (reply-to (message-fetch-field "reply-to")))
1868 (lambda (x) (downcase (cadr x)))
1869 (mail-extract-address-components from t))
1872 (lambda (x) (downcase (cadr x)))
1873 (mail-extract-address-components reply-to t))
1875 (gnus-article-hide-header "reply-to")))))
1877 (let ((date (message-fetch-field "date")))
1879 (< (days-between (current-time-string) date)
1881 (gnus-article-hide-header "date"))))
1883 (let ((to (message-fetch-field "to"))
1884 (cc (message-fetch-field "cc")))
1885 (when (> (length to) 1024)
1886 (gnus-article-hide-header "to"))
1887 (when (> (length cc) 1024)
1888 (gnus-article-hide-header "cc"))))
1892 (goto-char (point-min))
1893 (while (re-search-forward "^to:" nil t)
1894 (setq to-count (1+ to-count)))
1895 (when (> to-count 1)
1896 (while (> to-count 0)
1897 (goto-char (point-min))
1899 (re-search-forward "^to:" nil nil to-count)
1901 (narrow-to-region (point) (point-max))
1902 (gnus-article-hide-header "to"))
1903 (setq to-count (1- to-count))))
1904 (goto-char (point-min))
1905 (while (re-search-forward "^cc:" nil t)
1906 (setq cc-count (1+ cc-count)))
1907 (when (> cc-count 1)
1908 (while (> cc-count 0)
1909 (goto-char (point-min))
1911 (re-search-forward "^cc:" nil nil cc-count)
1913 (narrow-to-region (point) (point-max))
1914 (gnus-article-hide-header "cc"))
1915 (setq cc-count (1- cc-count)))))))))))))
1917 (defun gnus-article-hide-header (header)
1919 (goto-char (point-min))
1920 (when (re-search-forward (concat "^" header ":") nil t)
1921 (gnus-article-hide-text-type
1925 (if (re-search-forward "^[^ \t]" nil t)
1930 (defvar gnus-article-normalized-header-length 40
1931 "Length of normalized headers.")
1933 (defun article-normalize-headers ()
1934 "Make all header lines 40 characters long."
1936 (let ((inhibit-read-only t)
1940 (article-narrow-to-head)
1943 ((< (setq column (- (point-at-eol) (point)))
1944 gnus-article-normalized-header-length)
1946 (insert (make-string
1947 (- gnus-article-normalized-header-length column)
1949 ((> column gnus-article-normalized-header-length)
1950 (gnus-put-text-property
1952 (forward-char gnus-article-normalized-header-length)
1959 (forward-line 1))))))
1961 (defun article-treat-dumbquotes ()
1962 "Translate M****s*** sm*rtq**t*s and other symbols into proper text.
1963 Note that this function guesses whether a character is a sm*rtq**t* or
1964 not, so it should only be used interactively.
1966 Sm*rtq**t*s are M****s***'s unilateral extension to the
1967 iso-8859-1 character map in an attempt to provide more quoting
1968 characters. If you see something like \\222 or \\264 where
1969 you're expecting some kind of apostrophe or quotation mark, then
1972 (article-translate-strings gnus-article-dumbquotes-map))
1974 (defun article-translate-characters (from to)
1975 "Translate all characters in the body of the article according to FROM and TO.
1976 FROM is a string of characters to translate from; to is a string of
1977 characters to translate to."
1979 (when (article-goto-body)
1980 (let ((inhibit-read-only t)
1981 (x (make-string 225 ?x))
1983 (while (< (incf i) (length x))
1986 (while (< i (length from))
1987 (aset x (aref from i) (aref to i))
1989 (translate-region (point) (point-max) x)))))
1991 (defun article-translate-strings (map)
1992 "Translate all string in the body of the article according to MAP.
1993 MAP is an alist where the elements are on the form (\"from\" \"to\")."
1995 (when (article-goto-body)
1996 (let ((inhibit-read-only t))
1999 (while (search-forward (car elem) nil t)
2000 (replace-match (cadr elem)))))))))
2002 (defun article-treat-overstrike ()
2003 "Translate overstrikes into bold text."
2006 (when (article-goto-body)
2007 (let ((inhibit-read-only t))
2008 (while (search-forward "\b" nil t)
2009 (let ((next (char-after))
2013 previous (char-after))
2017 ;; We do the boldification/underlining by hiding the
2018 ;; overstrikes and putting the proper text property
2022 (gnus-article-hide-text-type start (point) 'overstrike)
2023 (put-text-property (point) end 'face 'bold))
2025 (gnus-article-hide-text-type
2026 (1- (point)) (1+ (point)) 'overstrike)
2028 start (1- (point)) 'face 'underline))
2030 (gnus-article-hide-text-type start (point) 'overstrike)
2032 (point) end 'face 'underline)))))))))
2034 (defun article-treat-ansi-sequences ()
2035 "Translate ANSI SGR control sequences into overlays or extents."
2038 (when (article-goto-body)
2039 (let ((inhibit-read-only t))
2040 (ansi-color-apply-on-region (point) (point-max))))))
2042 (defun gnus-article-treat-unfold-headers ()
2043 "Unfold folded message headers.
2044 Only the headers that fit into the current window width will be
2047 (gnus-with-article-headers
2051 (mail-header-narrow-to-field)
2052 (let ((header (buffer-string)))
2055 (goto-char (point-min))
2056 (while (re-search-forward "\n[\t ]" nil t)
2057 (replace-match " " t t)))
2058 (setq length (- (point-max) (point-min) 1)))
2059 (when (< length (window-width))
2060 (while (re-search-forward "\n[\t ]" nil t)
2061 (replace-match " " t t)))
2062 (goto-char (point-max)))))))
2064 (defun gnus-article-treat-fold-headers ()
2065 "Fold message headers."
2067 (gnus-with-article-headers
2070 (mail-header-narrow-to-field)
2071 (mail-header-fold-field)
2072 (goto-char (point-max))))))
2074 (defun gnus-treat-smiley ()
2075 "Toggle display of textual emoticons (\"smileys\") as small graphical icons."
2077 (unless (featurep 'xemacs)
2078 (when (and (not gnus-article-should-use-smiley-mule)
2079 gnus-article-smiley-mule-loaded-p)
2080 (load "smiley" nil t)
2081 (setq gnus-article-smiley-mule-loaded-p nil))
2082 (when (and gnus-article-should-use-smiley-mule
2083 (not gnus-article-smiley-mule-loaded-p))
2084 (load "smiley-mule" nil t)
2085 (setq gnus-article-smiley-mule-loaded-p t)))
2086 (gnus-with-article-buffer
2087 (if (memq 'smiley gnus-article-wash-types)
2088 (gnus-delete-images 'smiley)
2090 (let ((images (smiley-region (point) (point-max))))
2092 (gnus-add-wash-type 'smiley)
2093 (dolist (image images)
2094 (gnus-add-image 'smiley image)))))))
2096 (defun gnus-article-remove-images ()
2097 "Remove all images from the article buffer."
2099 (gnus-with-article-buffer
2100 (dolist (elem gnus-article-image-alist)
2101 (gnus-delete-images (car elem)))))
2103 (defun gnus-article-treat-fold-newsgroups ()
2104 "Unfold folded message headers.
2105 Only the headers that fit into the current window width will be
2108 (gnus-with-article-headers
2109 (while (gnus-article-goto-header "newsgroups\\|followup-to")
2111 (mail-header-narrow-to-field)
2112 (while (re-search-forward ", *" nil t)
2113 (replace-match ", " t t))
2114 (mail-header-fold-field)
2115 (goto-char (point-max))))))
2117 (defun gnus-article-treat-body-boundary ()
2118 "Place a boundary line at the end of the headers."
2120 (when (and gnus-body-boundary-delimiter
2121 (> (length gnus-body-boundary-delimiter) 0))
2122 (gnus-with-article-headers
2123 (goto-char (point-max))
2124 (let ((start (point)))
2125 (insert "X-Boundary: ")
2126 (gnus-add-text-properties start (point) '(invisible t intangible t))
2128 (while (>= (1- (window-width)) (length str))
2129 (setq str (concat str gnus-body-boundary-delimiter)))
2130 (substring str 0 (1- (window-width))))
2132 (gnus-put-text-property start (point) 'gnus-decoration 'header)))))
2134 (defun article-fill-long-lines ()
2135 "Fill lines that are wider than the window width."
2138 (let ((inhibit-read-only t)
2139 (width (window-width (get-buffer-window (current-buffer)))))
2142 (let ((adaptive-fill-mode nil)) ;Why? -sm
2145 (when (>= (current-column) (min fill-column width))
2146 (narrow-to-region (min (1+ (point)) (point-max))
2148 (let ((goback (point-marker)))
2149 (fill-paragraph nil)
2150 (goto-char (marker-position goback)))
2152 (forward-line 1)))))))
2154 (defun article-capitalize-sentences ()
2155 "Capitalize the first word in each sentence."
2158 (let ((inhibit-read-only t)
2159 (paragraph-start "^[\n\^L]"))
2163 (forward-sentence)))))
2165 (defun article-remove-cr ()
2166 "Remove trailing CRs and then translate remaining CRs into LFs."
2169 (let ((inhibit-read-only t))
2170 (goto-char (point-min))
2171 (while (re-search-forward "\r+$" nil t)
2172 (replace-match "" t t))
2173 (goto-char (point-min))
2174 (while (search-forward "\r" nil t)
2175 (replace-match "\n" t t)))))
2177 (defun article-remove-trailing-blank-lines ()
2178 "Remove all trailing blank lines from the article."
2181 (let ((inhibit-read-only t))
2182 (goto-char (point-max))
2186 (while (and (not (bobp))
2187 (looking-at "^[ \t]*$")
2188 (not (gnus-annotation-in-region-p
2189 (point) (point-at-eol))))
2195 (defvar gnus-face-properties-alist))
2197 (defun article-display-face ()
2198 "Display any Face headers in the header."
2200 (let ((wash-face-p buffer-read-only))
2201 (gnus-with-article-headers
2202 ;; When displaying parts, this function can be called several times on
2203 ;; the same article, without any intended toggle semantic (as typing `W
2204 ;; D d' would have). So face deletion must occur only when we come from
2205 ;; an interactive command, that is when the *Article* buffer is
2207 (if (and wash-face-p (memq 'face gnus-article-wash-types))
2208 (gnus-delete-images 'face)
2211 (when (and wash-face-p
2213 (goto-char (point-min))
2214 (not (re-search-forward "^Face:[\t ]*" nil t)))
2215 (gnus-buffer-live-p gnus-original-article-buffer))
2216 (set-buffer gnus-original-article-buffer))
2218 (mail-narrow-to-head)
2219 (while (gnus-article-goto-header "Face")
2220 (setq faces (nconc faces (list (mail-header-field-value)))))))
2221 (dolist (face faces)
2222 (let ((png (gnus-convert-face-to-png face))
2226 (apply 'gnus-create-image png 'png t
2227 (cdr (assq 'png gnus-face-properties-alist))))
2228 (gnus-article-goto-header "from")
2230 (insert "From: [no `from' set]\n")
2232 (gnus-add-wash-type 'face)
2233 (gnus-add-image 'face image)
2234 (gnus-put-image image nil 'face))))))
2237 (defun article-display-x-face (&optional force)
2238 "Look for an X-Face header and display it if present."
2239 (interactive (list 'force))
2240 (let ((wash-face-p buffer-read-only)) ;; When type `W f'
2241 (gnus-with-article-headers
2242 ;; Delete the old process, if any.
2243 (when (process-status "article-x-face")
2244 (delete-process "article-x-face"))
2245 ;; See the comment in `article-display-face'.
2246 (if (and wash-face-p (memq 'xface gnus-article-wash-types))
2247 ;; We have already displayed X-Faces, so we remove them
2249 (gnus-delete-images 'xface)
2251 (let (x-faces from face)
2253 (when (and wash-face-p
2255 (goto-char (point-min))
2256 (not (re-search-forward
2257 "^X-Face\\(-[0-9]+\\)?:[\t ]*" nil t)))
2258 (gnus-buffer-live-p gnus-original-article-buffer))
2259 ;; If type `W f', use gnus-original-article-buffer,
2260 ;; otherwise use the current buffer because displaying
2261 ;; RFC822 parts calls this function too.
2262 (set-buffer gnus-original-article-buffer))
2264 (mail-narrow-to-head)
2265 (while (gnus-article-goto-header "X-Face")
2266 (push (mail-header-field-value) x-faces))
2267 (setq from (message-fetch-field "from"))))
2268 ;; Sending multiple EOFs to xv doesn't work, so we only do a
2269 ;; single external face.
2270 (when (stringp gnus-article-x-face-command)
2271 (setq x-faces (list (car x-faces))))
2272 (while (and (setq face (pop x-faces))
2273 gnus-article-x-face-command
2275 ;; Check whether this face is censored.
2276 (not gnus-article-x-face-too-ugly)
2277 (and gnus-article-x-face-too-ugly from
2278 (not (string-match gnus-article-x-face-too-ugly
2280 ;; We display the face.
2281 (cond ((stringp gnus-article-x-face-command)
2282 ;; The command is a string, so we interpret the command
2283 ;; as a, well, command, and fork it off.
2284 (let ((process-connection-type nil))
2285 (process-kill-without-query
2287 "article-x-face" nil shell-file-name
2288 shell-command-switch gnus-article-x-face-command))
2291 (process-send-region "article-x-face"
2292 (point-min) (point-max)))
2293 (process-send-eof "article-x-face")))
2294 ((functionp gnus-article-x-face-command)
2295 ;; The command is a lisp function, so we call it.
2296 (funcall gnus-article-x-face-command face))
2298 (error "%s is not a function"
2299 gnus-article-x-face-command)))))))))
2301 (defun article-decode-mime-words ()
2302 "Decode all MIME-encoded words in the article."
2304 (gnus-with-article-buffer
2305 (let ((inhibit-point-motion-hooks t)
2306 (mail-parse-charset gnus-newsgroup-charset)
2307 (mail-parse-ignored-charsets
2308 (with-current-buffer gnus-summary-buffer
2309 gnus-newsgroup-ignored-charsets)))
2310 (mail-decode-encoded-word-region (point-min) (point-max)))))
2312 (defun article-decode-charset (&optional prompt)
2313 "Decode charset-encoded text in the article.
2314 If PROMPT (the prefix), prompt for a coding system to use."
2316 (let ((inhibit-point-motion-hooks t) (case-fold-search t)
2317 (inhibit-read-only t)
2318 (mail-parse-charset gnus-newsgroup-charset)
2319 (mail-parse-ignored-charsets
2320 (save-excursion (condition-case nil
2321 (set-buffer gnus-summary-buffer)
2323 gnus-newsgroup-ignored-charsets))
2324 ct cte ctl charset format)
2327 (article-narrow-to-head)
2328 (setq ct (message-fetch-field "Content-Type" t)
2329 cte (message-fetch-field "Content-Transfer-Encoding" t)
2330 ctl (and ct (ignore-errors
2331 (mail-header-parse-content-type ct)))
2334 (mm-read-coding-system "Charset to decode: "))
2336 (mail-content-type-get ctl 'charset)))
2337 format (and ctl (mail-content-type-get ctl 'format)))
2339 (setq cte (mail-header-strip cte)))
2340 (if (and ctl (not (string-match "/" (car ctl))))
2342 (goto-char (point-max)))
2345 (narrow-to-region (point) (point-max))
2346 (when (and (eq mail-parse-charset 'gnus-decoded)
2347 (eq (mm-body-7-or-8) '8bit))
2348 ;; The text code could have been decoded.
2349 (setq charset mail-parse-charset))
2350 (when (and (or (not ctl)
2351 (equal (car ctl) "text/plain"))
2352 (not format)) ;; article with format will decode later.
2354 charset (and cte (intern (downcase
2355 (gnus-strip-whitespace cte))))
2358 (defun article-decode-encoded-words ()
2359 "Remove encoded-word encoding from headers."
2360 (let ((charset (save-excursion
2361 (set-buffer gnus-summary-buffer)
2362 default-mime-charset))
2363 (inhibit-read-only t))
2364 (mime-decode-header-in-buffer charset)))
2366 (defun article-decode-group-name ()
2367 "Decode group names in `Newsgroups:'."
2368 (let ((inhibit-point-motion-hooks t)
2369 (inhibit-read-only t)
2370 (method (gnus-find-method-for-group gnus-newsgroup-name)))
2371 (when (and (or gnus-group-name-charset-method-alist
2372 gnus-group-name-charset-group-alist)
2373 (gnus-buffer-live-p gnus-original-article-buffer))
2375 (article-narrow-to-head)
2376 (with-current-buffer gnus-original-article-buffer
2377 (goto-char (point-min)))
2378 (while (re-search-forward
2379 "^Newsgroups:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]" nil t)
2380 (replace-match (save-match-data
2381 (gnus-decode-newsgroups
2382 ;; XXX how to use data in article buffer?
2383 (with-current-buffer gnus-original-article-buffer
2385 "^Newsgroups:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]"
2388 gnus-newsgroup-name method))
2390 (goto-char (point-min))
2391 (with-current-buffer gnus-original-article-buffer
2392 (goto-char (point-min)))
2393 (while (re-search-forward
2394 "^Followup-To:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]" nil t)
2395 (replace-match (save-match-data
2396 (gnus-decode-newsgroups
2397 ;; XXX how to use data in article buffer?
2398 (with-current-buffer gnus-original-article-buffer
2400 "^Followup-To:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]"
2403 gnus-newsgroup-name method))
2406 (autoload 'idna-to-unicode "idna")
2408 (defun article-decode-idna-rhs ()
2409 "Decode IDNA strings in RHS in From:, To: and Cc: headers in current buffer."
2412 (let ((inhibit-point-motion-hooks t)
2413 (inhibit-read-only t))
2414 (article-narrow-to-head)
2415 (goto-char (point-min))
2416 (while (re-search-forward "@.*\\(xn--[-A-Za-z0-9.]*\\)[ \t\n\r,>]" nil t)
2418 (when (save-match-data
2419 (and (setq ace (match-string 1))
2421 (and (re-search-backward "^[^ \t]" nil t)
2422 (looking-at "From\\|To\\|Cc")))
2423 (setq unicode (idna-to-unicode ace))))
2424 (unless (string= ace unicode)
2425 (replace-match unicode nil nil nil 1)))))))))
2427 (defun article-de-quoted-unreadable (&optional force read-charset)
2428 "Translate a quoted-printable-encoded article.
2429 If FORCE, decode the article whether it is marked as quoted-printable
2431 If READ-CHARSET, ask for a coding system."
2432 (interactive (list 'force current-prefix-arg))
2434 (let ((inhibit-read-only t) type charset)
2435 (if (gnus-buffer-live-p gnus-original-article-buffer)
2436 (with-current-buffer gnus-original-article-buffer
2438 (gnus-fetch-field "content-transfer-encoding"))
2439 (let* ((ct (gnus-fetch-field "content-type"))
2442 (mail-header-parse-content-type ct)))))
2443 (setq charset (and ctl
2444 (mail-content-type-get ctl 'charset)))
2445 (if (stringp charset)
2446 (setq charset (intern (downcase charset)))))))
2448 (setq charset (mm-read-coding-system "Charset: " charset)))
2450 (setq charset gnus-newsgroup-charset))
2452 (and type (let ((case-fold-search t))
2453 (string-match "quoted-printable" type))))
2455 (quoted-printable-decode-region
2456 (point) (point-max) (mm-charset-to-coding-system charset))))))
2458 (defun article-de-base64-unreadable (&optional force read-charset)
2459 "Translate a base64 article.
2460 If FORCE, decode the article whether it is marked as base64 not.
2461 If READ-CHARSET, ask for a coding system."
2462 (interactive (list 'force current-prefix-arg))
2464 (let ((inhibit-read-only t) type charset)
2465 (if (gnus-buffer-live-p gnus-original-article-buffer)
2466 (with-current-buffer gnus-original-article-buffer
2468 (gnus-fetch-field "content-transfer-encoding"))
2469 (let* ((ct (gnus-fetch-field "content-type"))
2472 (mail-header-parse-content-type ct)))))
2473 (setq charset (and ctl
2474 (mail-content-type-get ctl 'charset)))
2475 (if (stringp charset)
2476 (setq charset (intern (downcase charset)))))))
2478 (setq charset (mm-read-coding-system "Charset: " charset)))
2480 (setq charset gnus-newsgroup-charset))
2482 (and type (let ((case-fold-search t))
2483 (string-match "base64" type))))
2486 (narrow-to-region (point) (point-max))
2487 (base64-decode-region (point-min) (point-max))
2488 (mm-decode-coding-region
2489 (point-min) (point-max) (mm-charset-to-coding-system charset)))))))
2494 (defun article-decode-HZ ()
2495 "Translate a HZ-encoded article."
2499 (let ((inhibit-read-only t))
2500 (rfc1843-decode-region (point-min) (point-max)))))
2502 (defun article-unsplit-urls ()
2503 "Remove the newlines that some other mailers insert into URLs."
2506 (let ((inhibit-read-only t))
2507 (goto-char (point-min))
2508 (while (re-search-forward
2509 "^\\(\\(https?\\|ftp\\)://\\S-+\\) *\n\\(\\S-+\\)" nil t)
2510 (replace-match "\\1\\3" t)))
2511 (when (interactive-p)
2512 (gnus-treat-article nil))))
2515 (defun article-wash-html (&optional read-charset)
2516 "Format an HTML article.
2517 If READ-CHARSET, ask for a coding system."
2520 (let ((inhibit-read-only t)
2522 (when (gnus-buffer-live-p gnus-original-article-buffer)
2523 (with-current-buffer gnus-original-article-buffer
2524 (let* ((ct (gnus-fetch-field "content-type"))
2527 (mail-header-parse-content-type ct)))))
2528 (setq charset (and ctl
2529 (mail-content-type-get ctl 'charset)))
2530 (when (stringp charset)
2531 (setq charset (intern (downcase charset)))))))
2533 (setq charset (mm-read-coding-system "Charset: " charset)))
2535 (setq charset gnus-newsgroup-charset))
2537 (save-window-excursion
2539 (narrow-to-region (point) (point-max))
2540 (let* ((func (or gnus-article-wash-function mm-text-html-renderer))
2541 (entry (assq func mm-text-html-washer-alist)))
2543 (setq func (cdr entry)))
2548 (apply (car func) (cdr func))))))))))
2550 (defun gnus-article-wash-html-with-w3 ()
2551 "Wash the current buffer with w3."
2553 (let ((w3-strict-width (window-width))
2554 (url-standalone-mode t)
2555 (url-gateway-unplugged t)
2556 (w3-honor-stylesheets nil))
2558 (w3-region (point-min) (point-max))
2561 (defun gnus-article-wash-html-with-w3m ()
2562 "Wash the current buffer with emacs-w3m."
2565 (narrow-to-region (point) (point-max))
2566 (let ((w3m-safe-url-regexp mm-w3m-safe-url-regexp)
2567 w3m-force-redisplay)
2568 (w3m-region (point-min) (point-max)))
2569 (when (and mm-inline-text-html-with-w3m-keymap
2570 (boundp 'w3m-minor-mode-map)
2572 (add-text-properties
2573 (point-min) (point-max)
2574 (list 'keymap w3m-minor-mode-map
2575 ;; Put the mark meaning this part was rendered by emacs-w3m.
2576 'mm-inline-text-html-with-w3m t)))))
2578 (defun article-hide-list-identifiers ()
2579 "Remove list identifies from the Subject header.
2580 The `gnus-list-identifiers' variable specifies what to do."
2582 (let ((inhibit-point-motion-hooks t)
2583 (regexp (if (consp gnus-list-identifiers)
2584 (mapconcat 'identity gnus-list-identifiers " *\\|")
2585 gnus-list-identifiers))
2586 (inhibit-read-only t))
2590 (article-narrow-to-head)
2591 (goto-char (point-min))
2592 (while (re-search-forward
2593 (concat "^Subject: +\\(R[Ee]: +\\)*\\(" regexp " *\\)")
2595 (delete-region (match-beginning 2) (match-end 0))
2596 (beginning-of-line))
2597 (when (re-search-forward
2598 "^Subject: +\\(\\(R[Ee]: +\\)+\\)R[Ee]: +" nil t)
2599 (delete-region (match-beginning 1) (match-end 1))))))))
2601 (defun article-hide-pem (&optional arg)
2602 "Toggle hiding of any PEM headers and signatures in the current article.
2603 If given a negative prefix, always show; if given a positive prefix,
2605 (interactive (gnus-article-hidden-arg))
2606 (unless (gnus-article-check-hidden-text 'pem arg)
2608 (let ((inhibit-read-only t) end)
2609 (goto-char (point-min))
2610 ;; Hide the horrendously ugly "header".
2611 (when (and (search-forward
2612 "\n-----BEGIN PRIVACY-ENHANCED MESSAGE-----\n"
2614 (setq end (1+ (match-beginning 0))))
2615 (gnus-add-wash-type 'pem)
2616 (gnus-article-hide-text-type
2618 (if (search-forward "\n\n" nil t)
2622 ;; Hide the trailer as well
2623 (when (search-forward "\n-----END PRIVACY-ENHANCED MESSAGE-----\n"
2625 (gnus-article-hide-text-type
2626 (match-beginning 0) (match-end 0) 'pem)))))))
2628 (defun article-strip-banner ()
2629 "Strip the banners specified by the `banner' group parameter and by
2630 `gnus-article-address-banner-alist'."
2634 (let ((inhibit-point-motion-hooks t))
2635 (when (gnus-parameter-banner gnus-newsgroup-name)
2636 (article-really-strip-banner
2637 (gnus-parameter-banner gnus-newsgroup-name)))
2638 (when gnus-article-address-banner-alist
2639 ;; It is necessary to encode from fields before checking,
2640 ;; because `mail-header-parse-addresses' does not work
2641 ;; (reliably) on decoded headers. And more, it is
2642 ;; impossible to use `gnus-fetch-original-field' here,
2643 ;; because `article-strip-banner' may be called in draft
2644 ;; buffers to preview them.
2645 (let ((from (save-restriction
2647 (article-narrow-to-head)
2648 (mail-fetch-field "from"))))
2651 (caar (mail-header-parse-addresses
2652 (mail-encode-encoded-word-string from)))))
2654 (dolist (pair gnus-article-address-banner-alist)
2655 (when (string-match (car pair) from)
2657 (article-really-strip-banner (cdr pair)))))))))))))
2659 (defun article-really-strip-banner (banner)
2660 "Strip the banner specified by the argument."
2663 (let ((inhibit-point-motion-hooks t)
2664 (gnus-signature-limit nil)
2665 (inhibit-read-only t))
2668 ((eq banner 'signature)
2669 (when (gnus-article-narrow-to-signature)
2672 (delete-region (point) (point-max))))
2674 (if (setq banner (cdr (assq banner gnus-article-banner-alist)))
2675 (while (re-search-forward banner nil t)
2676 (delete-region (match-beginning 0) (match-end 0)))))
2678 (while (re-search-forward banner nil t)
2679 (delete-region (match-beginning 0) (match-end 0)))))))))
2681 (defun article-babel ()
2682 "Translate article using an online translation service."
2685 (gnus-with-article-buffer
2686 (when (article-goto-body)
2687 (let* ((start (point))
2689 (orig (buffer-substring start end))
2690 (trans (babel-as-string orig)))
2692 (narrow-to-region start end)
2693 (delete-region start end)
2696 (defun article-hide-signature (&optional arg)
2697 "Hide the signature in the current article.
2698 If given a negative prefix, always show; if given a positive prefix,
2700 (interactive (gnus-article-hidden-arg))
2706 (article-goto-body))
2707 (goto-char (point-min)))
2708 (unless (gnus-article-check-hidden-text 'signature arg)
2709 (let ((inhibit-read-only t)
2711 (while (setq button (text-property-any button (point-max)
2713 'gnus-signature-toggle))
2714 (setq button (text-property-not-all button (point-max)
2716 'gnus-signature-toggle))
2717 (when (and button (not (eobp)))
2718 (gnus-article-hide-text-type
2720 (next-single-property-change (1+ button) 'mime-view-entity
2723 (gnus-set-mode-line 'article))
2725 (defun article-strip-headers-in-body ()
2726 "Strip offensive headers from bodies."
2730 (let ((case-fold-search t))
2731 (when (looking-at "x-no-archive:")
2732 (gnus-delete-line)))))
2734 (defun article-strip-leading-blank-lines ()
2735 "Remove all blank lines from the beginning of the article."
2738 (let ((inhibit-point-motion-hooks t)
2739 (inhibit-read-only t))
2740 (when (article-goto-body)
2741 (while (and (not (eobp))
2742 (looking-at "[ \t]*$"))
2743 (gnus-delete-line))))))
2745 (defun article-narrow-to-head ()
2746 "Narrow the buffer to the head of the message.
2747 Point is left at the beginning of the narrowed-to region."
2749 (goto-char (point-min))
2750 (if (search-forward "\n\n" nil 1)
2753 (goto-char (point-min)))
2755 (defun article-goto-body ()
2756 "Place point at the start of the body."
2757 (goto-char (point-min))
2759 ;; This variable is only bound when dealing with separate
2761 (article-goto-body-goes-to-point-min-p
2763 ((search-forward "\n\n" nil t)
2766 (goto-char (point-max))
2769 (defun article-strip-multiple-blank-lines ()
2770 "Replace consecutive blank lines with one empty line."
2773 (let ((inhibit-point-motion-hooks t)
2774 (inhibit-read-only t))
2775 ;; First make all blank lines empty.
2777 (while (re-search-forward "^[ \t]+$" nil t)
2778 (unless (gnus-annotation-in-region-p
2779 (match-beginning 0) (match-end 0))
2780 (replace-match "" nil t)))
2781 ;; Then replace multiple empty lines with a single empty line.
2783 (while (re-search-forward "\n\n\\(\n+\\)" nil t)
2784 (unless (gnus-annotation-in-region-p
2785 (match-beginning 0) (match-end 0))
2786 (delete-region (match-beginning 1) (match-end 1)))))))
2788 (defun article-strip-leading-space ()
2789 "Remove all white space from the beginning of the lines in the article."
2792 (let ((inhibit-point-motion-hooks t)
2793 (inhibit-read-only t))
2795 (while (re-search-forward "^[ \t]+" nil t)
2796 (replace-match "" t t)))))
2798 (defun article-strip-trailing-space ()
2799 "Remove all white space from the end of the lines in the article."
2802 (let ((inhibit-point-motion-hooks t)
2803 (inhibit-read-only t))
2805 (while (re-search-forward "[ \t]+$" nil t)
2806 (replace-match "" t t)))))
2808 (defun article-strip-blank-lines ()
2809 "Strip leading, trailing and multiple blank lines."
2811 (article-strip-leading-blank-lines)
2812 (article-remove-trailing-blank-lines)
2813 (article-strip-multiple-blank-lines))
2815 (defun article-strip-all-blank-lines ()
2816 "Strip all blank lines."
2819 (let ((inhibit-point-motion-hooks t)
2820 (inhibit-read-only t))
2822 (while (re-search-forward "^[ \t]*\n" nil t)
2823 (replace-match "" t t)))))
2825 (defun gnus-article-narrow-to-signature ()
2826 "Narrow to the signature; return t if a signature is found, else nil."
2827 (let ((inhibit-point-motion-hooks t))
2828 (when (gnus-article-search-signature)
2830 ;; Check whether we have some limits to what we consider
2831 ;; to be a signature.
2832 (let ((limits (if (listp gnus-signature-limit) gnus-signature-limit
2833 (list gnus-signature-limit)))
2835 (while (setq limit (pop limits))
2836 (if (or (and (integerp limit)
2837 (< (- (point-max) (point)) limit))
2839 (< (count-lines (point) (point-max)) limit))
2840 (and (functionp limit)
2842 (and (stringp limit)
2843 (not (re-search-forward limit nil t))))
2844 () ; This limit did not succeed.
2848 (narrow-to-region (point) (point-max))
2851 (defun gnus-article-search-signature ()
2852 "Search the current buffer for the signature separator.
2853 Put point at the beginning of the signature separator."
2854 (let ((cur (point)))
2855 (goto-char (point-max))
2856 (if (if (stringp gnus-signature-separator)
2857 (re-search-backward gnus-signature-separator nil t)
2858 (let ((seps gnus-signature-separator))
2860 (not (re-search-backward (car seps) nil t)))
2867 (defun gnus-article-hidden-arg ()
2868 "Return the current prefix arg as a number, or 0 if no prefix."
2869 (list (if current-prefix-arg
2870 (prefix-numeric-value current-prefix-arg)
2873 (defun gnus-article-check-hidden-text (type arg)
2874 "Return nil if hiding is necessary.
2875 Arg can be nil or a number. nil and positive means hide, negative
2876 means show, 0 means toggle."
2879 (let ((hide (gnus-article-hidden-text-p type)))
2885 (gnus-article-show-hidden-text type)
2888 (if (eq hide 'hidden)
2890 (gnus-article-show-hidden-text type)
2894 (defun gnus-article-hidden-text-p (type)
2895 "Say whether the current buffer contains hidden text of type TYPE."
2896 (let ((pos (text-property-any (point-min) (point-max) 'article-type type)))
2898 (not (get-text-property pos 'invisible))
2899 (not (get-text-property pos 'dummy-invisible)))
2901 (text-property-any (1+ pos) (point-max) 'article-type type)))
2906 (defun gnus-article-show-hidden-text (type &optional dummy)
2907 "Show all hidden text of type TYPE.
2908 Originally it is hide instead of DUMMY."
2909 (let ((inhibit-read-only t)
2910 (inhibit-point-motion-hooks t))
2911 (gnus-remove-text-properties-when
2913 (point-min) (point-max)
2914 (cons 'article-type (cons type
2915 gnus-hidden-properties)))
2916 (gnus-delete-wash-type type)))
2918 (defconst article-time-units
2919 `((year . ,(* 365.25 24 60 60))
2920 (week . ,(* 7 24 60 60))
2921 (day . ,(* 24 60 60))
2925 "Mapping from time units to seconds.")
2927 (defun gnus-article-forward-header ()
2928 "Move point to the start of the next header.
2929 If the current header is a continuation header, this can be several
2934 (if (looking-at "[ \t]+[^ \t]")
2938 (defun article-date-ut (&optional type highlight header)
2939 "Convert DATE date to universal time in the current article.
2940 If TYPE is `local', convert to local time; if it is `lapsed', output
2941 how much time has lapsed since DATE. For `lapsed', the value of
2942 `gnus-article-date-lapsed-new-header' says whether the \"X-Sent:\" header
2943 should replace the \"Date:\" one, or should be added below it."
2944 (interactive (list 'ut t))
2945 (let* ((header (or header
2946 (and (eq 1 (point-min))
2947 (mail-header-date (save-excursion
2948 (set-buffer gnus-summary-buffer)
2949 gnus-current-headers)))
2950 (message-fetch-field "date")
2952 (date (if (vectorp header) (mail-header-date header)
2954 (inhibit-point-motion-hooks t)
2955 bface eface date-pos)
2956 (when (and date (not (string= date "")))
2959 (article-narrow-to-head)
2960 (when (or (and (eq type 'lapsed)
2961 gnus-article-date-lapsed-new-header
2962 ;; Attempt to get the face of X-Sent first.
2963 (re-search-forward "^X-Sent:[ \t]" nil t))
2964 (re-search-forward "^Date:[ \t]" nil t)
2965 ;; If Date is missing, try again for X-Sent.
2966 (re-search-forward "^X-Sent:[ \t]" nil t))
2967 (setq bface (get-text-property (point-at-bol) 'face)
2968 date (or (get-text-property (point-at-bol)
2971 eface (get-text-property (1- (point-at-eol))
2973 (let ((inhibit-read-only t))
2974 ;; Delete any old X-Sent headers.
2975 (when (setq date-pos
2976 (text-property-any (point-min) (point-max)
2977 'article-date-lapsed t))
2978 (goto-char (setq date-pos (set-marker (make-marker) date-pos)))
2979 (delete-region (match-beginning 0)
2980 (progn (forward-line 1) (point))))
2981 (goto-char (point-min))
2982 ;; Delete any old Date headers.
2983 (while (re-search-forward "^Date:[ \t]" nil t)
2985 (setq date-pos (match-beginning 0)))
2986 (unless (and (eq type 'lapsed)
2987 gnus-article-date-lapsed-new-header)
2988 (delete-region (match-beginning 0)
2989 (progn (message-next-header) (point)))))
2992 (goto-char date-pos)
2994 ;; Possibly, Date has been deleted.
2996 (when (and (eq type 'lapsed)
2997 gnus-article-date-lapsed-new-header
2998 (looking-at "Date:"))
3000 (goto-char (point-min)))
3001 (insert (article-make-date-line date type))
3002 (when (eq type 'lapsed)
3003 (put-text-property (point-at-bol) (point)
3004 'article-date-lapsed t))
3008 (when (looking-at "\\([^:]+\\): *\\(.*\\)$")
3009 (add-text-properties (match-beginning 1) (1+ (match-end 1))
3010 (list 'original-date date 'face bface))
3011 (put-text-property (match-beginning 2) (match-end 2)
3014 (defun article-make-date-line (date type)
3015 "Return a DATE line of TYPE."
3016 (unless (memq type '(local ut original user iso8601 lapsed english))
3017 (error "Unknown conversion type: %s" type))
3019 (let ((time (date-to-time date)))
3021 ;; Convert to the local timezone.
3023 (concat "Date: " (message-make-date time)))
3024 ;; Convert to Universal Time.
3029 (let* ((e (parse-time-string date))
3030 (tm (apply 'encode-time e))
3032 (ls (- (cadr tm) (car (current-time-zone time)))))
3033 (cond ((< ls 0) (list (1- ms) (+ ls 65536)))
3034 ((> ls 65535) (list (1+ ms) (- ls 65536)))
3038 ;; Get the original date from the article.
3039 ((eq type 'original)
3040 (concat "Date: " (if (string-match "\n+$" date)
3041 (substring date 0 (match-beginning 0))
3043 ;; Let the user define the format.
3045 (let ((format (or (condition-case nil
3046 (with-current-buffer gnus-summary-buffer
3047 gnus-article-time-format)
3049 gnus-article-time-format)))
3050 (if (functionp format)
3051 (funcall format time)
3052 (concat "Date: " (format-time-string format time)))))
3055 (let ((tz (car (current-time-zone time))))
3058 (format-time-string "%Y%m%dT%H%M%S" time)
3059 (format "%s%02d%02d"
3060 (if (> tz 0) "+" "-") (/ (abs tz) 3600)
3061 (/ (% (abs tz) 3600) 60)))))
3062 ;; Do an X-Sent lapsed format.
3064 ;; If the date is seriously mangled, the timezone functions are
3065 ;; liable to bug out, so we ignore all errors.
3066 (let* ((now (current-time))
3067 (real-time (subtract-time now time))
3068 (real-sec (and real-time
3069 (+ (* (float (car real-time)) 65536)
3071 (sec (and real-time (abs real-sec)))
3081 ;; This is a bit convoluted, but basically we go
3082 ;; through the time units for years, weeks, etc,
3083 ;; and divide things to see whether that results
3084 ;; in positive answers.
3087 (if (zerop (setq num (ffloor (/ sec (cdr unit)))))
3088 ;; The (remaining) seconds are too few to
3089 ;; be divided into this time unit.
3091 ;; It's big enough, so we output it.
3092 (setq sec (- sec (* num (cdr unit))))
3094 (concat (if prev ", " "") (int-to-string
3096 " " (symbol-name (car unit))
3097 (if (> num 1) "s" ""))
3099 article-time-units "")
3100 ;; If dates are odd, then it might appear like the
3101 ;; article was sent in the future.
3104 " in the future"))))))
3105 ;; Display the date in proper English
3107 (let ((dtime (decode-time time)))
3110 (number-to-string (nth 3 dtime))
3111 (let ((digit (% (nth 3 dtime) 10)))
3113 ((memq (nth 3 dtime) '(11 12 13)) "th")
3119 (nth (1- (nth 4 dtime)) gnus-english-month-names)
3121 (number-to-string (nth 5 dtime))
3123 (format "%02d" (nth 2 dtime))
3125 (format "%02d" (nth 1 dtime)))))))
3127 (format "Date: %s (from T-gnus)" date))))
3129 (defun article-date-local (&optional highlight)
3130 "Convert the current article date to the local timezone."
3131 (interactive (list t))
3132 (article-date-ut 'local highlight))
3134 (defun article-date-english (&optional highlight)
3135 "Convert the current article date to something that is proper English."
3136 (interactive (list t))
3137 (article-date-ut 'english highlight))
3139 (defun article-date-original (&optional highlight)
3140 "Convert the current article date to what it was originally.
3141 This is only useful if you have used some other date conversion
3142 function and want to see what the date was before converting."
3143 (interactive (list t))
3144 (article-date-ut 'original highlight))
3146 (defun article-date-lapsed (&optional highlight)
3147 "Convert the current article date to time lapsed since it was sent."
3148 (interactive (list t))
3149 (article-date-ut 'lapsed highlight))
3151 (defun article-update-date-lapsed ()
3152 "Function to be run from a timer to update the lapsed time line."
3153 (let (deactivate-mark)
3158 (set-buffer (window-buffer w))
3159 (when (eq major-mode 'gnus-article-mode)
3160 (let ((mark (point-marker)))
3161 (goto-char (point-min))
3162 (when (re-search-forward "^X-Sent:" nil t)
3163 (article-date-lapsed t))
3164 (goto-char (marker-position mark))
3165 (move-marker mark nil))))
3168 (defun gnus-start-date-timer (&optional n)
3169 "Start a timer to update the X-Sent header in the article buffers.
3170 The numerical prefix says how frequently (in seconds) the function
3175 (gnus-stop-date-timer)
3176 (setq article-lapsed-timer
3177 (run-at-time 1 n 'article-update-date-lapsed)))
3179 (defun gnus-stop-date-timer ()
3180 "Stop the X-Sent timer."
3182 (when article-lapsed-timer
3183 (nnheader-cancel-timer article-lapsed-timer)
3184 (setq article-lapsed-timer nil)))
3186 (defun article-date-user (&optional highlight)
3187 "Convert the current article date to the user-defined format.
3188 This format is defined by the `gnus-article-time-format' variable."
3189 (interactive (list t))
3190 (article-date-ut 'user highlight))
3192 (defun article-date-iso8601 (&optional highlight)
3193 "Convert the current article date to ISO8601."
3194 (interactive (list t))
3195 (article-date-ut 'iso8601 highlight))
3197 ;; (defun article-show-all ()
3198 ;; "Show all hidden text in the article buffer."
3202 ;; (let ((inhibit-read-only t))
3203 ;; (gnus-article-unhide-text (point-min) (point-max))
3204 ;; (gnus-remove-text-with-property 'gnus-prev)
3205 ;; (gnus-remove-text-with-property 'gnus-next))))
3207 (defun article-show-all-headers ()
3208 "Show all hidden headers in the article buffer."
3213 (article-narrow-to-head)
3214 (let ((inhibit-read-only t))
3215 (gnus-article-unhide-text (point-min) (point-max))))))
3217 (defun article-remove-leading-whitespace ()
3218 "Remove excessive whitespace from all headers."
3222 (let ((inhibit-read-only t))
3223 (article-narrow-to-head)
3224 (goto-char (point-min))
3225 (while (re-search-forward "^[^ :]+: \\([ \t]+\\)" nil t)
3226 (delete-region (match-beginning 1) (match-end 1)))))))
3228 (defun article-emphasize (&optional arg)
3229 "Emphasize text according to `gnus-emphasis-alist'."
3230 (interactive (gnus-article-hidden-arg))
3231 (unless (gnus-article-check-hidden-text 'emphasis arg)
3235 (with-current-buffer gnus-summary-buffer
3236 gnus-article-emphasis-alist)
3238 gnus-emphasis-alist))
3239 (inhibit-read-only t)
3240 (props (append '(article-type emphasis)
3241 gnus-hidden-properties))
3242 regexp elem beg invisible visible face)
3245 (while (setq elem (pop alist))
3247 (setq regexp (car elem)
3248 invisible (nth 1 elem)
3249 visible (nth 2 elem)
3251 (while (re-search-forward regexp nil t)
3252 (when (and (match-beginning visible) (match-beginning invisible))
3253 (gnus-article-hide-text
3254 (match-beginning invisible) (match-end invisible) props)
3255 (gnus-article-unhide-text-type
3256 (match-beginning visible) (match-end visible) 'emphasis)
3257 (gnus-put-overlay-excluding-newlines
3258 (match-beginning visible) (match-end visible) 'face face)
3259 (gnus-add-wash-type 'emphasis)
3260 (goto-char (match-end invisible)))))))))
3262 (defun gnus-article-setup-highlight-words (&optional highlight-words)
3263 "Setup newsgroup emphasis alist."
3264 (unless gnus-article-emphasis-alist
3265 (let ((name (and gnus-newsgroup-name
3266 (gnus-group-real-name gnus-newsgroup-name))))
3267 (make-local-variable 'gnus-article-emphasis-alist)
3268 (setq gnus-article-emphasis-alist
3270 (let ((alist gnus-group-highlight-words-alist) elem highlight)
3271 (while (setq elem (pop alist))
3272 (when (and name (string-match (car elem) name))
3274 highlight (copy-sequence (cdr elem)))))
3276 (copy-sequence highlight-words)
3277 (if gnus-newsgroup-name
3278 (copy-sequence (gnus-group-find-parameter
3279 gnus-newsgroup-name 'highlight-words t)))
3280 gnus-emphasis-alist)))))
3283 (defvar gnus-summary-article-menu)
3284 (defvar gnus-summary-post-menu))
3286 ;;; Saving functions.
3288 (defun gnus-article-save (save-buffer file &optional num)
3289 "Save the currently selected article."
3290 (unless gnus-save-all-headers
3291 ;; Remove headers according to `gnus-saved-headers'.
3292 (let ((gnus-visible-headers
3293 (or gnus-saved-headers gnus-visible-headers))
3294 (gnus-article-buffer save-buffer))
3296 (set-buffer save-buffer)
3297 (article-hide-headers 1 t))))
3298 (save-window-excursion
3299 (if (not gnus-default-article-saver)
3300 (error "No default saver is defined")
3301 ;; !!! Magic! The saving functions all save
3302 ;; `gnus-save-article-buffer' (or so they think), but we
3303 ;; bind that variable to our save-buffer.
3304 (set-buffer gnus-article-buffer)
3305 (let* ((gnus-save-article-buffer save-buffer)
3308 ((not gnus-prompt-before-saving) 'default)
3309 ((eq gnus-prompt-before-saving 'always) nil)
3311 (gnus-number-of-articles-to-be-saved
3312 (when (eq gnus-prompt-before-saving t)
3314 (set-buffer gnus-article-current-summary)
3315 (funcall gnus-default-article-saver filename)))))
3317 (defun gnus-read-save-file-name (prompt &optional filename
3318 function group headers variable)
3320 (funcall function group headers (symbol-value variable)))
3325 ((eq filename 'default)
3331 (let* ((split-name (gnus-get-split-value gnus-split-methods))
3334 (if (and gnus-number-of-articles-to-be-saved
3335 (> gnus-number-of-articles-to-be-saved 1))
3336 (format "these %d articles"
3337 gnus-number-of-articles-to-be-saved)
3340 ;; Let the split methods have their say.
3342 ;; No split name was found.
3345 (concat prompt " (default "
3346 (file-name-nondirectory default-name) ") ")
3347 (file-name-directory default-name)
3349 ;; A single group name is returned.
3350 ((stringp split-name)
3352 (funcall function split-name headers
3353 (symbol-value variable)))
3355 (concat prompt " (default "
3356 (file-name-nondirectory default-name) ") ")
3357 (file-name-directory default-name)
3359 ;; A single split name was found
3360 ((= 1 (length split-name))
3361 (let* ((name (expand-file-name
3363 gnus-article-save-directory))
3364 (dir (cond ((file-directory-p name)
3365 (file-name-as-directory name))
3366 ((file-exists-p name) name)
3367 (t gnus-article-save-directory))))
3369 (concat prompt " (default " name ") ")
3371 ;; A list of splits was found.
3373 (setq split-name (nreverse split-name))
3375 (let ((file-name-history
3376 (nconc split-name file-name-history)))
3380 (concat prompt " (`M-p' for defaults) ")
3381 gnus-article-save-directory
3383 gnus-article-save-directory)))
3384 (car (push result file-name-history)))))))
3385 ;; Create the directory.
3386 (gnus-make-directory (file-name-directory file))
3387 ;; If we have read a directory, we append the default file name.
3388 (when (file-directory-p file)
3389 (setq file (expand-file-name (file-name-nondirectory
3391 (file-name-as-directory file))))
3392 ;; Possibly translate some characters.
3393 (nnheader-translate-file-chars file))))))
3394 (gnus-make-directory (file-name-directory result))
3395 (set variable result)))
3397 (defun gnus-article-archive-name (group)
3398 "Return the first instance of an \"Archive-name\" in the current buffer."
3399 (let ((case-fold-search t))
3400 (when (re-search-forward "archive-name: *\\([^ \n\t]+\\)[ \t]*$" nil t)
3401 (nnheader-concat gnus-article-save-directory
3402 (match-string 1)))))
3404 (defun gnus-article-nndoc-name (group)
3405 "If GROUP is an nndoc group, return the name of the parent group."
3406 (when (eq (car (gnus-find-method-for-group group)) 'nndoc)
3407 (gnus-group-get-parameter group 'save-article-group)))
3409 (defun gnus-summary-save-in-rmail (&optional filename)
3410 "Append this article to Rmail file.
3411 Optional argument FILENAME specifies file name.
3412 Directory to save to is default to `gnus-article-save-directory'."
3413 (setq filename (gnus-read-save-file-name
3414 "Save %s in rmail file:" filename
3415 gnus-rmail-save-name gnus-newsgroup-name
3416 gnus-current-headers 'gnus-newsgroup-last-rmail))
3417 (gnus-eval-in-buffer-window gnus-save-article-buffer
3421 (gnus-output-to-rmail filename))))
3424 (defun gnus-summary-save-in-mail (&optional filename)
3425 "Append this article to Unix mail file.
3426 Optional argument FILENAME specifies file name.
3427 Directory to save to is default to `gnus-article-save-directory'."
3428 (setq filename (gnus-read-save-file-name
3429 "Save %s in Unix mail file:" filename
3430 gnus-mail-save-name gnus-newsgroup-name
3431 gnus-current-headers 'gnus-newsgroup-last-mail))
3432 (gnus-eval-in-buffer-window gnus-save-article-buffer
3436 (if (and (file-readable-p filename)
3437 (file-regular-p filename)
3438 (mail-file-babyl-p filename))
3439 (rmail-output-to-rmail-file filename t)
3440 (gnus-output-to-mail filename)))))
3443 (defun gnus-summary-save-in-file (&optional filename overwrite)
3444 "Append this article to file.
3445 Optional argument FILENAME specifies file name.
3446 Directory to save to is default to `gnus-article-save-directory'."
3447 (setq filename (gnus-read-save-file-name
3448 "Save %s in file:" filename
3449 gnus-file-save-name gnus-newsgroup-name
3450 gnus-current-headers 'gnus-newsgroup-last-file))
3451 (gnus-eval-in-buffer-window gnus-save-article-buffer
3455 (when (and overwrite
3456 (file-exists-p filename))
3457 (delete-file filename))
3458 (gnus-output-to-file filename))))
3461 (defun gnus-summary-write-to-file (&optional filename)
3462 "Write this article to a file, overwriting it if the file exists.
3463 Optional argument FILENAME specifies file name.
3464 The directory to save in defaults to `gnus-article-save-directory'."
3465 (gnus-summary-save-in-file nil t))
3467 (defun gnus-summary-save-body-in-file (&optional filename)
3468 "Append this article body to a file.
3469 Optional argument FILENAME specifies file name.
3470 The directory to save in defaults to `gnus-article-save-directory'."
3471 (setq filename (gnus-read-save-file-name
3472 "Save %s body in file:" filename
3473 gnus-file-save-name gnus-newsgroup-name
3474 gnus-current-headers 'gnus-newsgroup-last-file))
3475 (gnus-eval-in-buffer-window gnus-save-article-buffer
3479 (when (article-goto-body)
3480 (narrow-to-region (point) (point-max)))
3481 (gnus-output-to-file filename))))
3484 (defun gnus-summary-save-in-pipe (&optional command)
3485 "Pipe this article to subprocess."
3487 (cond ((and (eq command 'default)
3488 gnus-last-shell-command)
3489 gnus-last-shell-command)
3494 "Shell command on %s: "
3495 (if (and gnus-number-of-articles-to-be-saved
3496 (> gnus-number-of-articles-to-be-saved 1))
3497 (format "these %d articles"
3498 gnus-number-of-articles-to-be-saved)
3500 gnus-last-shell-command))))
3501 (when (string-equal command "")
3502 (if gnus-last-shell-command
3503 (setq command gnus-last-shell-command)
3504 (error "A command is required")))
3505 (gnus-eval-in-buffer-window gnus-article-buffer
3508 (shell-command-on-region (point-min) (point-max) command nil)))
3509 (setq gnus-last-shell-command command))
3511 (defun gnus-summary-pipe-to-muttprint (&optional command)
3512 "Pipe this article to muttprint."
3513 (setq command (read-string
3514 "Print using command: " gnus-summary-muttprint-program
3515 nil gnus-summary-muttprint-program))
3516 (gnus-summary-save-in-pipe command))
3518 ;;; Article file names when saving.
3520 (defun gnus-capitalize-newsgroup (newsgroup)
3521 "Capitalize NEWSGROUP name."
3522 (when (not (zerop (length newsgroup)))
3523 (concat (char-to-string (upcase (aref newsgroup 0)))
3524 (substring newsgroup 1))))
3526 (defun gnus-Numeric-save-name (newsgroup headers &optional last-file)
3527 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3528 If variable `gnus-use-long-file-name' is non-nil, it is ~/News/News.group/num.
3529 Otherwise, it is like ~/News/news/group/num."
3532 (concat (if (gnus-use-long-file-name 'not-save)
3533 (gnus-capitalize-newsgroup newsgroup)
3534 (gnus-newsgroup-directory-form newsgroup))
3535 "/" (int-to-string (mail-header-number headers)))
3536 gnus-article-save-directory)))
3538 (string-equal (file-name-directory default)
3539 (file-name-directory last-file))
3540 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
3542 (or last-file default))))
3544 (defun gnus-numeric-save-name (newsgroup headers &optional last-file)
3545 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3546 If variable `gnus-use-long-file-name' is non-nil, it is
3547 ~/News/news.group/num. Otherwise, it is like ~/News/news/group/num."
3550 (concat (if (gnus-use-long-file-name 'not-save)
3552 (gnus-newsgroup-directory-form newsgroup))
3553 "/" (int-to-string (mail-header-number headers)))
3554 gnus-article-save-directory)))
3556 (string-equal (file-name-directory default)
3557 (file-name-directory last-file))
3558 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
3560 (or last-file default))))
3562 (defun gnus-plain-save-name (newsgroup headers &optional last-file)
3563 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3564 If variable `gnus-use-long-file-name' is non-nil, it is
3565 ~/News/news.group. Otherwise, it is like ~/News/news/group/news."
3568 (if (gnus-use-long-file-name 'not-save)
3571 (expand-file-name "news" (gnus-newsgroup-directory-form newsgroup))
3573 gnus-article-save-directory)))
3575 (defun gnus-sender-save-name (newsgroup headers &optional last-file)
3576 "Generate file name from sender."
3577 (let ((from (mail-header-from headers)))
3579 (if (and from (string-match "\\([^ <]+\\)@" from))
3580 (match-string 1 from)
3582 gnus-article-save-directory)))
3584 (defun article-verify-x-pgp-sig ()
3587 (if (gnus-buffer-live-p gnus-original-article-buffer)
3588 (let ((sig (with-current-buffer gnus-original-article-buffer
3589 (gnus-fetch-field "X-PGP-Sig")))
3593 (mml2015-clear-verify-function))
3595 (insert-buffer-substring gnus-original-article-buffer)
3596 (setq items (split-string sig))
3597 (message-narrow-to-head)
3598 (let ((inhibit-point-motion-hooks t)
3599 (case-fold-search t))
3600 ;; Don't verify multiple headers.
3601 (setq headers (mapconcat (lambda (header)
3603 (mail-fetch-field header)
3605 (split-string (nth 1 items) ",") "")))
3606 (delete-region (point-min) (point-max))
3607 (insert "-----BEGIN PGP SIGNED MESSAGE-----\n\n")
3608 (insert "X-Signed-Headers: " (nth 1 items) "\n")
3613 (if (looking-at "^-")
3616 (insert "\n-----BEGIN PGP SIGNATURE-----\n")
3617 (insert "Version: " (car items) "\n\n")
3618 (insert (mapconcat 'identity (cddr items) "\n"))
3619 (insert "\n-----END PGP SIGNATURE-----\n")
3620 (let ((mm-security-handle (list (format "multipart/signed"))))
3621 (mml2015-clean-buffer)
3622 (let ((coding-system-for-write (or gnus-newsgroup-charset
3624 (funcall (mml2015-clear-verify-function)))
3626 (or (mm-handle-multipart-ctl-parameter
3627 mm-security-handle 'gnus-details)
3628 (mm-handle-multipart-ctl-parameter
3629 mm-security-handle 'gnus-info)))))
3631 (let ((inhibit-read-only t) bface eface)
3633 (message-narrow-to-head)
3634 (goto-char (point-max))
3636 (setq bface (get-text-property (point-at-bol) 'face)
3637 eface (get-text-property (1- (point-at-eol)) 'face))
3638 (message-remove-header "X-Gnus-PGP-Verify")
3639 (if (re-search-forward "^X-PGP-Sig:" nil t)
3641 (goto-char (point-max)))
3642 (narrow-to-region (point) (point))
3643 (insert "X-Gnus-PGP-Verify: " info "\n")
3644 (goto-char (point-min))
3647 (if (not (looking-at "^[ \t]"))
3651 (goto-char (point-min))
3652 (when (looking-at "\\([^:]+\\): *")
3653 (put-text-property (match-beginning 1) (1+ (match-end 1))
3655 (put-text-property (match-end 0) (point-max)
3656 'face eface)))))))))
3658 (defun article-verify-cancel-lock ()
3659 "Verify Cancel-Lock header."
3661 (if (gnus-buffer-live-p gnus-original-article-buffer)
3662 (canlock-verify gnus-original-article-buffer)))
3664 (defun article-monafy ()
3665 "Display body part with mona font."
3667 (unless (if (featurep 'xemacs)
3668 (find-face 'gnus-mona-face)
3669 (facep 'gnus-mona-face))
3670 (require 'navi2ch-mona)
3671 (set-face-font (make-face 'gnus-mona-face) navi2ch-mona-font))
3673 (let ((inhibit-read-only t))
3676 (gnus-make-overlay (point) (point-max))
3677 'face 'gnus-mona-face))))
3684 (setq afunc (car func)
3687 gfunc (intern (format "gnus-%s" func))))
3689 (when (fboundp afunc)
3690 `(lambda (&optional interactive &rest args)
3691 ,(documentation afunc t)
3692 (interactive (list t))
3694 (set-buffer gnus-article-buffer)
3696 (call-interactively ',afunc)
3697 (apply ',afunc args))))))))
3698 '(article-hide-headers
3699 article-verify-x-pgp-sig
3700 article-verify-cancel-lock
3702 article-hide-boring-headers
3703 article-treat-overstrike
3704 article-treat-ansi-sequences
3705 article-fill-long-lines
3706 article-capitalize-sentences
3708 article-remove-leading-whitespace
3709 article-display-x-face
3710 article-display-face
3711 article-de-quoted-unreadable
3712 article-de-base64-unreadable
3715 article-unsplit-urls
3716 article-hide-list-identifiers
3717 article-strip-banner
3720 article-hide-signature
3721 article-strip-headers-in-body
3722 article-remove-trailing-blank-lines
3723 article-strip-leading-blank-lines
3724 article-strip-multiple-blank-lines
3725 article-strip-leading-space
3726 article-strip-trailing-space
3727 article-strip-blank-lines
3728 article-strip-all-blank-lines
3730 article-date-english
3731 article-date-iso8601
3732 article-date-original
3734 article-decode-mime-words
3735 article-decode-charset
3736 article-decode-encoded-words
3740 article-treat-dumbquotes
3741 article-normalize-headers
3742 (article-show-all-headers . gnus-article-show-all-headers)
3743 ;; (article-show-all . gnus-article-show-all)
3747 ;;; Gnus article mode
3750 (put 'gnus-article-mode 'mode-class 'special)
3752 (gnus-define-keys gnus-article-mode-map
3753 " " gnus-article-goto-next-page
3754 "\177" gnus-article-goto-prev-page
3755 [delete] gnus-article-goto-prev-page
3756 [backspace] gnus-article-goto-prev-page
3757 "\C-c^" gnus-article-refer-article
3758 "h" gnus-article-show-summary
3759 "s" gnus-article-show-summary
3760 "\C-c\C-m" gnus-article-mail
3761 "?" gnus-article-describe-briefly
3762 "e" gnus-summary-edit-article
3763 "<" beginning-of-buffer
3765 "\C-c\C-i" gnus-info-find-node
3767 "R" gnus-article-reply-with-original
3768 "F" gnus-article-followup-with-original
3769 "\C-hk" gnus-article-describe-key
3770 "\C-hc" gnus-article-describe-key-briefly
3772 "\C-d" gnus-article-read-summary-keys
3773 "\M-*" gnus-article-read-summary-keys
3774 "\M-#" gnus-article-read-summary-keys
3775 "\M-^" gnus-article-read-summary-keys
3776 "\M-g" gnus-article-read-summary-keys)
3778 ;; Define almost undefined keys to `gnus-article-read-summary-keys'.
3782 (push (char-to-string key) keys)
3784 (dolist (elem (accessible-keymaps gnus-summary-mode-map))
3785 (setq key (car elem))
3786 (when (and (> (length key) 0)
3787 (not (eq 'menu-bar (aref key 0)))
3788 (symbolp (lookup-key gnus-summary-mode-map key)))
3791 (unless (lookup-key gnus-article-mode-map key)
3792 (define-key gnus-article-mode-map key 'gnus-article-read-summary-keys))))
3794 (defun gnus-article-make-menu-bar ()
3795 (unless (boundp 'gnus-article-commands-menu)
3796 (gnus-summary-make-menu-bar))
3797 (gnus-turn-off-edit-menu 'article)
3798 (unless (boundp 'gnus-article-article-menu)
3800 gnus-article-article-menu gnus-article-mode-map ""
3802 ["Scroll forwards" gnus-article-goto-next-page t]
3803 ["Scroll backwards" gnus-article-goto-prev-page t]
3804 ["Show summary" gnus-article-show-summary t]
3805 ["Fetch Message-ID at point" gnus-article-refer-article t]
3806 ["Mail to address at point" gnus-article-mail t]
3807 ["Send a bug report" gnus-bug t]))
3810 gnus-article-treatment-menu gnus-article-mode-map ""
3811 ;; Fixme: this should use :active (and maybe :visible).
3813 ["Hide headers" gnus-article-hide-headers t]
3814 ["Hide signature" gnus-article-hide-signature t]
3815 ["Hide citation" gnus-article-hide-citation t]
3816 ["Treat overstrike" gnus-article-treat-overstrike t]
3817 ["Treat ANSI sequences" gnus-article-treat-ansi-sequences t]
3818 ["Remove carriage return" gnus-article-remove-cr t]
3819 ["Remove leading whitespace" gnus-article-remove-leading-whitespace t]
3820 ["Treat html" gnus-article-wash-html t]
3821 ["Remove newlines from within URLs" gnus-article-unsplit-urls t]
3822 ["Decode HZ" gnus-article-decode-HZ t]))
3824 ;; Note "Commands" menu is defined in gnus-sum.el for consistency
3826 ;; Note "Post" menu is defined in gnus-sum.el for consistency
3828 (gnus-run-hooks 'gnus-article-menu-hook)))
3830 (defun gnus-article-mode ()
3831 "Major mode for displaying an article.
3833 All normal editing commands are switched off.
3835 The following commands are available in addition to all summary mode
3837 \\<gnus-article-mode-map>
3838 \\[gnus-article-next-page]\t Scroll the article one page forwards
3839 \\[gnus-article-prev-page]\t Scroll the article one page backwards
3840 \\[gnus-article-refer-article]\t Go to the article referred to by an article id near point
3841 \\[gnus-article-show-summary]\t Display the summary buffer
3842 \\[gnus-article-mail]\t Send a reply to the address near point
3843 \\[gnus-article-describe-briefly]\t Describe the current mode briefly
3844 \\[gnus-info-find-node]\t Go to the Gnus info node"
3846 (gnus-simplify-mode-line)
3847 (setq mode-name "Article")
3848 (setq major-mode 'gnus-article-mode)
3849 (make-local-variable 'minor-mode-alist)
3850 (unless (assq 'gnus-show-mime minor-mode-alist)
3851 (push (list 'gnus-show-mime " MIME") minor-mode-alist))
3852 (use-local-map gnus-article-mode-map)
3853 (when (gnus-visual-p 'article-menu 'menu)
3854 (gnus-article-make-menu-bar)
3855 (when gnus-summary-tool-bar-map
3856 (set (make-local-variable 'tool-bar-map) gnus-summary-tool-bar-map)))
3857 (gnus-update-format-specifications nil 'article-mode)
3858 (set (make-local-variable 'page-delimiter) gnus-page-delimiter)
3859 (set (make-local-variable 'gnus-page-broken) nil)
3860 (make-local-variable 'gnus-button-marker-list)
3861 (make-local-variable 'gnus-article-current-summary)
3862 (make-local-variable 'gnus-article-mime-handles)
3863 (make-local-variable 'gnus-article-decoded-p)
3864 (make-local-variable 'gnus-article-mime-handle-alist)
3865 (make-local-variable 'gnus-article-wash-types)
3866 (make-local-variable 'gnus-article-image-alist)
3867 (make-local-variable 'gnus-article-charset)
3868 (make-local-variable 'gnus-article-ignored-charsets)
3869 (gnus-set-default-directory)
3870 (buffer-disable-undo)
3871 (setq buffer-read-only t
3872 show-trailing-whitespace nil)
3873 (set-syntax-table gnus-article-mode-syntax-table)
3874 (gnus-run-hooks 'gnus-article-mode-hook))
3876 (defun gnus-article-setup-buffer ()
3877 "Initialize the article buffer."
3878 (let* ((name (if gnus-single-article-buffer "*Article*"
3879 (concat "*Article " gnus-newsgroup-name "*")))
3881 (progn (string-match "\\*Article" name)
3882 (concat " *Original Article"
3883 (substring name (match-end 0))))))
3884 (setq gnus-article-buffer name)
3885 (setq gnus-original-article-buffer original)
3886 (setq gnus-article-mime-handle-alist nil)
3887 ;; This might be a variable local to the summary buffer.
3888 (unless gnus-single-article-buffer
3890 (set-buffer gnus-summary-buffer)
3891 (setq gnus-article-buffer name)
3892 (setq gnus-original-article-buffer original)
3893 (gnus-set-global-variables)))
3894 (gnus-article-setup-highlight-words)
3895 ;; Init original article buffer.
3897 (set-buffer (gnus-get-buffer-create gnus-original-article-buffer))
3898 (set-buffer-multibyte t)
3899 (setq major-mode 'gnus-original-article-mode)
3900 (make-local-variable 'gnus-original-article))
3901 (if (get-buffer name)
3904 (when (and gnus-article-edit-mode
3907 (y-or-n-p "Article mode edit in progress; discard? ")))
3908 (error "Action aborted"))
3909 (set (make-local-variable 'gnus-article-edit-mode) nil)
3910 (buffer-disable-undo)
3911 (setq buffer-read-only t)
3912 ;; This list just keeps growing if we don't reset it.
3913 (setq gnus-button-marker-list nil)
3914 (unless (eq major-mode 'gnus-article-mode)
3915 (gnus-article-mode))
3918 (set-buffer (gnus-get-buffer-create name))
3920 (make-local-variable 'gnus-summary-buffer)
3921 (gnus-summary-set-local-parameters gnus-newsgroup-name)
3922 (current-buffer)))))
3924 ;; Set article window start at LINE, where LINE is the number of lines
3925 ;; from the head of the article.
3926 (defun gnus-article-set-window-start (&optional line)
3928 (gnus-get-buffer-window gnus-article-buffer t)
3930 (set-buffer gnus-article-buffer)
3931 (goto-char (point-min))
3934 (gnus-message 6 "Moved to bookmark")
3935 (search-forward "\n\n" nil t)
3939 ;;; @@ article filters
3942 (defun gnus-article-display-mime-message ()
3943 "Article display method for MIME message."
3944 ;; called from `gnus-original-article-buffer'.
3945 (let (charset all-headers)
3946 (with-current-buffer gnus-summary-buffer
3947 (setq charset default-mime-charset
3948 all-headers gnus-have-all-headers))
3949 (make-local-variable 'default-mime-charset)
3950 (setq default-mime-charset charset)
3951 (with-current-buffer (get-buffer-create gnus-article-buffer)
3952 (make-local-variable 'default-mime-charset)
3953 (setq default-mime-charset charset))
3954 (mime-display-message mime-message-structure
3955 gnus-article-buffer nil gnus-article-mode-map)
3957 (gnus-article-hide-headers nil -1)))
3958 (run-hooks 'gnus-mime-article-prepare-hook))
3960 (defun gnus-article-display-traditional-message ()
3961 "Article display method for traditional message."
3962 (set-buffer gnus-article-buffer)
3963 (let ((inhibit-read-only t))
3965 (insert-buffer-substring gnus-original-article-buffer)))
3967 (defun gnus-article-make-full-mail-header (&optional number charset)
3968 "Create a new mail header structure in a raw article buffer."
3969 (unless (and number charset)
3970 (save-current-buffer
3971 (set-buffer gnus-summary-buffer)
3973 (setq number (or (cdr gnus-article-current) 0)))
3975 (setq charset (or default-mime-charset 'x-ctext)))))
3976 (goto-char (point-min))
3977 (let ((header-end (if (search-forward "\n\n" nil t)
3979 (goto-char (point-max))))
3980 (chars (- (point-max) (point)))
3981 (lines (count-lines (point) (point-max)))
3982 (default-mime-charset charset)
3984 (narrow-to-region (point-min) header-end)
3985 (setq xref (std11-fetch-field "xref"))
3987 (make-full-mail-header
3989 (std11-fetch-field "subject")
3990 (std11-fetch-field "from")
3991 (std11-fetch-field "date")
3992 (std11-fetch-field "message-id")
3993 (std11-fetch-field "references")
3996 (when xref (concat "Xref: " xref)))
3999 (defun gnus-article-prepare (article &optional all-headers header)
4000 "Prepare ARTICLE in article mode buffer.
4001 ARTICLE should either be an article number or a Message-ID.
4002 If ARTICLE is an id, HEADER should be the article headers.
4003 If ALL-HEADERS is non-nil, no headers are hidden."
4005 ;; Make sure we start in a summary buffer.
4006 (unless (eq major-mode 'gnus-summary-mode)
4007 (set-buffer gnus-summary-buffer))
4008 (setq gnus-summary-buffer (current-buffer))
4009 (let* ((gnus-article (if header (mail-header-number header) article))
4010 (summary-buffer (current-buffer))
4011 (gnus-tmp-internal-hook gnus-article-internal-prepare-hook)
4012 (group gnus-newsgroup-name)
4015 (gnus-article-setup-buffer)
4016 (set-buffer gnus-article-buffer)
4017 ;; Deactivate active regions.
4018 (when (and (boundp 'transient-mark-mode)
4019 transient-mark-mode)
4020 (setq mark-active nil))
4021 (if (not (setq result (let ((inhibit-read-only t))
4022 (gnus-request-article-this-buffer
4024 ;; There is no such article.
4026 (when (and (numberp article)
4027 (not (memq article gnus-newsgroup-sparse)))
4028 (setq gnus-article-current
4029 (cons gnus-newsgroup-name article))
4030 (set-buffer gnus-summary-buffer)
4031 (setq gnus-current-article article)
4032 (if (and (memq article gnus-newsgroup-undownloaded)
4033 (not (gnus-online (gnus-find-method-for-group
4034 gnus-newsgroup-name))))
4036 (gnus-summary-set-agent-mark article)
4037 (message "Message marked for downloading"))
4038 (gnus-summary-mark-article article gnus-canceled-mark)
4039 (unless (memq article gnus-newsgroup-sparse)
4040 (gnus-error 1 "No such article (may have expired or been canceled)")))))
4041 (if (or (eq result 'pseudo)
4042 (eq result 'nneething))
4045 (set-buffer summary-buffer)
4046 (push article gnus-newsgroup-history)
4047 (setq gnus-last-article gnus-current-article
4048 gnus-current-article 0
4049 gnus-current-headers nil
4050 gnus-article-current nil)
4051 (if (eq result 'nneething)
4052 (gnus-configure-windows 'summary)
4053 (gnus-configure-windows 'article))
4054 (gnus-set-global-variables))
4055 (let ((gnus-article-mime-handle-alist-1
4056 gnus-article-mime-handle-alist))
4057 (gnus-set-mode-line 'article)))
4058 ;; The result from the `request' was an actual article -
4059 ;; or at least some text that is now displayed in the
4061 (when (and (numberp article)
4062 (not (eq article gnus-current-article)))
4063 ;; Seems like a new article has been selected.
4064 ;; `gnus-current-article' must be an article number.
4066 (set-buffer summary-buffer)
4067 (push article gnus-newsgroup-history)
4068 (setq gnus-last-article gnus-current-article
4069 gnus-current-article article
4070 gnus-current-headers
4071 (gnus-summary-article-header gnus-current-article)
4072 gnus-article-current
4073 (cons gnus-newsgroup-name gnus-current-article))
4074 (unless (vectorp gnus-current-headers)
4075 (setq gnus-current-headers nil))
4076 (gnus-summary-goto-subject gnus-current-article)
4077 (when (gnus-summary-show-thread)
4078 ;; If the summary buffer really was folded, the
4079 ;; previous goto may not actually have gone to
4080 ;; the right article, but the thread root instead.
4082 (gnus-summary-goto-subject gnus-current-article))
4083 (gnus-run-hooks 'gnus-mark-article-hook)
4084 (gnus-set-mode-line 'summary)
4085 (when (gnus-visual-p 'article-highlight 'highlight)
4086 (gnus-run-hooks 'gnus-visual-mark-article-hook))
4087 ;; Set the global newsgroup variables here.
4088 (gnus-set-global-variables)
4089 (setq gnus-have-all-headers
4090 (or all-headers gnus-show-all-headers))))
4092 (gnus-configure-windows 'article))
4093 (when (or (numberp article)
4095 (gnus-article-prepare-display)
4097 (goto-char (point-min))
4098 (when gnus-break-pages
4099 (gnus-narrow-to-page)))
4100 (let ((gnus-article-mime-handle-alist-1
4101 gnus-article-mime-handle-alist))
4102 (gnus-set-mode-line 'article))
4106 (set-window-point (get-buffer-window (current-buffer)) (point))
4107 (gnus-configure-windows 'article)
4110 (defun gnus-article-prepare-mime-display (&optional number)
4111 (goto-char (point-min))
4112 (when (re-search-forward "^[^\t ]+:" nil t)
4113 (goto-char (match-beginning 0)))
4114 (let ((entity (if (eq 1 (point-min))
4115 (get-text-property 1 'mime-view-entity)
4116 (get-text-property (point) 'mime-view-entity)))
4117 last-entity child-entity next type)
4118 (setq child-entity (mime-entity-children entity))
4120 (setq last-entity (nth (1- (length child-entity))
4122 (setq last-entity entity))
4124 (narrow-to-region (point)
4125 (if (search-forward "\n\n" nil t)
4128 (gnus-treat-article 'head)
4129 (put-text-property (point-min) (point-max) 'article-treated-header t)
4130 (goto-char (point-max)))
4131 (while (and (not (eobp)) entity)
4132 (setq next (set-marker
4134 (next-single-property-change (point) 'mime-view-entity
4136 (let ((types (mime-entity-content-type entity)))
4137 (while (eq 'multipart (mime-content-type-primary-type types))
4138 (setq entity (car (mime-entity-children entity))
4139 types (mime-entity-content-type entity)))
4141 (setq type (format "%s/%s"
4142 (mime-content-type-primary-type types)
4143 (mime-content-type-subtype types)))))
4144 (if (string-equal type "message/rfc822")
4147 (let ((children (mime-entity-children entity))
4150 (setq last-children (nth (1- (length children)) children))
4153 (not (eq last-children
4154 (get-text-property next 'mime-view-entity)))
4156 (next-single-property-change next
4158 nil (point-max)))))))
4159 (setq next (next-single-property-change next 'mime-view-entity
4162 (narrow-to-region (point) next)
4163 (gnus-article-prepare-mime-display)
4164 (goto-char (point-max)))
4165 (setq entity (get-text-property (point) 'mime-view-entity)))
4167 (narrow-to-region (point) next)
4168 ;; Kludge. We have to count true number, but for now,
4169 ;; part number is here only to achieve `last'.
4170 (gnus-treat-article nil 1
4171 (if (eq entity last-entity)
4174 (goto-char (point-max)))
4175 (setq entity (get-text-property next 'mime-view-entity))))))
4178 (defun gnus-article-prepare-display ()
4179 "Make the current buffer look like a nice article."
4180 (let ((gnus-article-buffer (current-buffer))
4182 (inhibit-read-only t))
4183 (unless (eq major-mode 'gnus-article-mode)
4184 (gnus-article-mode))
4185 (setq buffer-read-only nil
4186 gnus-button-marker-list nil
4187 gnus-article-wash-types nil
4188 gnus-article-image-alist nil)
4191 (static-if (featurep 'xemacs)
4192 (map-extents (lambda (extent maparg) (delete-extent extent)))
4193 (let ((lists (overlay-lists)))
4194 (dolist (overlay (nconc (car lists) (cdr lists)))
4195 (delete-overlay overlay)))))
4196 (gnus-run-hooks 'gnus-tmp-internal-hook))
4197 (let ((show-mime (unless (member gnus-newsgroup-name '("nndraft:delayed"
4200 (inhibit-read-only t))
4201 (set-buffer gnus-original-article-buffer)
4203 (setq mime-message-structure gnus-current-headers)
4204 (mime-buffer-entity-set-buffer-internal mime-message-structure
4205 gnus-original-article-buffer)
4206 (mime-entity-set-representation-type-internal mime-message-structure
4207 'mime-buffer-entity)
4208 (luna-send mime-message-structure 'initialize-instance
4209 mime-message-structure)
4211 (let (mime-display-header-hook mime-display-text/plain-hook)
4212 (funcall gnus-article-display-method-for-mime))
4213 (funcall gnus-article-display-method-for-traditional))
4214 ;; Call the treatment functions.
4218 (gnus-article-prepare-mime-display)
4219 (narrow-to-region (goto-char (point-min))
4220 (if (search-forward "\n\n" nil t)
4223 (gnus-treat-article 'head)
4224 (put-text-property (point-min) (point-max) 'article-treated-header t)
4225 (goto-char (point-max))
4227 (narrow-to-region (point) (point-max))
4228 (gnus-treat-article nil))
4229 (put-text-property (point-min) (point-max) 'read-only nil)))
4230 (gnus-run-hooks 'gnus-article-prepare-hook))
4232 (defun gnus-article-decode-article-as-default-mime-charset ()
4233 "Decode an article as `default-mime-charset'. It won't work if the
4234 value of the variable `gnus-show-mime' is non-nil."
4235 (unless (or gnus-show-mime
4236 (member gnus-newsgroup-name '("nndraft:delayed"
4238 (set (make-local-variable 'default-mime-charset)
4239 (with-current-buffer gnus-summary-buffer
4240 default-mime-charset))
4241 (decode-mime-charset-region (point-min) (point-max)
4242 default-mime-charset)))
4245 ;;; Gnus MIME viewing functions
4248 (defvar gnus-mime-button-line-format "%{%([%p. %d%T]%)%}%e\n"
4249 "Format of the MIME buttons.
4251 Valid specifiers include:
4253 %T MIME type, along with additional info
4254 %n The `name' parameter
4255 %d The description, if any
4256 %l The length of the encoded part
4257 %p The part identifier number
4258 %e Dots if the part isn't displayed
4260 General format specifiers can also be used. See Info node
4261 `(gnus)Formatting Variables'.")
4263 (defvar gnus-mime-button-line-format-alist
4264 '((?t gnus-tmp-type ?s)
4265 (?T gnus-tmp-type-long ?s)
4266 (?n gnus-tmp-name ?s)
4267 (?d gnus-tmp-description ?s)
4269 (?l gnus-tmp-length ?d)
4270 (?e gnus-tmp-dots ?s)))
4272 (defvar gnus-mime-button-commands
4273 '((gnus-article-press-button "\r" "Toggle Display")
4274 (gnus-mime-view-part "v" "View Interactively...")
4275 (gnus-mime-view-part-as-type "t" "View As Type...")
4276 (gnus-mime-view-part-as-charset "C" "View As charset...")
4277 (gnus-mime-save-part "o" "Save...")
4278 (gnus-mime-save-part-and-strip "\C-o" "Save and Strip")
4279 (gnus-mime-delete-part "d" "Delete part")
4280 (gnus-mime-copy-part "c" "View As Text, In Other Buffer")
4281 (gnus-mime-inline-part "i" "View As Text, In This Buffer")
4282 (gnus-mime-view-part-internally "E" "View Internally")
4283 (gnus-mime-view-part-externally "e" "View Externally")
4284 (gnus-mime-print-part "p" "Print")
4285 (gnus-mime-pipe-part "|" "Pipe To Command...")
4286 (gnus-mime-action-on-part "." "Take action on the part...")))
4288 (defun gnus-article-mime-part-status ()
4289 (with-current-buffer gnus-article-buffer
4290 (let ((entity (get-text-property (point-min) 'mime-view-entity))
4293 (setq children (mime-entity-children entity))
4294 (setq children (length children)))
4297 (format " (%d parts)" children))
4300 (defvar gnus-mime-button-map
4301 (let ((map (make-sparse-keymap)))
4302 (define-key map gnus-mouse-2 'gnus-article-push-button)
4303 (define-key map gnus-down-mouse-3 'gnus-mime-button-menu)
4304 (dolist (c gnus-mime-button-commands)
4305 (define-key map (cadr c) (car c)))
4309 gnus-mime-button-menu gnus-mime-button-map "MIME button menu."
4311 ,@(mapcar (lambda (c)
4312 (vector (caddr c) (car c) :enable t))
4313 gnus-mime-button-commands)))
4315 (defun gnus-mime-button-menu (event prefix)
4316 "Construct a context-sensitive menu of MIME commands."
4317 (interactive "e\nP")
4318 (save-window-excursion
4319 (let ((pos (event-start event)))
4320 (select-window (posn-window pos))
4321 (goto-char (posn-point pos))
4322 (gnus-article-check-buffer)
4323 (popup-menu gnus-mime-button-menu nil prefix))))
4325 (defun gnus-mime-view-all-parts (&optional handles)
4326 "View all the MIME parts."
4328 (with-current-buffer gnus-article-buffer
4329 (let ((handles (or handles gnus-article-mime-handles))
4330 (mail-parse-charset gnus-newsgroup-charset)
4331 (mail-parse-ignored-charsets
4332 (with-current-buffer gnus-summary-buffer
4333 gnus-newsgroup-ignored-charsets)))
4335 (mm-remove-parts handles)
4336 (goto-char (point-min))
4337 (or (search-forward "\n\n") (goto-char (point-max)))
4338 (let ((inhibit-read-only t))
4339 (delete-region (point) (point-max))
4340 (mm-display-parts handles))))))
4343 (defsubst gnus-article-edit-part (handles)
4344 "Edit an article in order to delete a mime part.
4345 This function is exclusively used by `gnus-mime-save-part-and-strip'
4346 and `gnus-mime-delete-part', and not provided at run-time normally."
4347 (gnus-article-edit-article
4350 (let ((mail-parse-charset (or gnus-article-charset
4351 ',gnus-newsgroup-charset))
4352 (mail-parse-ignored-charsets
4353 (or gnus-article-ignored-charsets
4354 ',gnus-newsgroup-ignored-charsets))
4355 (mbl mml-buffer-list))
4356 (setq mml-buffer-list nil)
4357 (insert-buffer gnus-original-article-buffer)
4358 (mime-to-mml ',handles)
4359 (setq gnus-article-mime-handles nil)
4360 (let ((mbl1 mml-buffer-list))
4361 (setq mml-buffer-list mbl)
4362 (set (make-local-variable 'mml-buffer-list) mbl1))
4363 (gnus-make-local-hook 'kill-buffer-hook)
4364 (add-hook 'kill-buffer-hook 'mml-destroy-buffers t t)))
4365 `(lambda (no-highlight)
4366 (let ((mail-parse-charset (or gnus-article-charset
4367 ',gnus-newsgroup-charset))
4368 (message-options message-options)
4369 (message-options-set-recipient)
4370 (mail-parse-ignored-charsets
4371 (or gnus-article-ignored-charsets
4372 ',gnus-newsgroup-ignored-charsets)))
4374 (mml-destroy-buffers)
4375 (remove-hook 'kill-buffer-hook
4376 'mml-destroy-buffers t)
4377 (kill-local-variable 'mml-buffer-list))
4378 (gnus-summary-edit-article-done
4379 ,(or (mail-header-references gnus-current-headers) "")
4380 ,(gnus-group-read-only-p)
4381 ,gnus-summary-buffer no-highlight)))
4382 (gnus-article-edit-done)
4383 (gnus-summary-expand-window)
4384 (gnus-summary-show-article)))
4386 (defun gnus-mime-save-part-and-strip ()
4387 "Save the MIME part under point then replace it with an external body."
4389 (gnus-article-check-buffer)
4390 (when (gnus-group-read-only-p)
4391 (error "The current group does not support deleting of parts"))
4392 (when (mm-complicated-handles gnus-article-mime-handles)
4394 The current article has a complicated MIME structure, giving up..."))
4395 (when (gnus-yes-or-no-p "\
4396 Deleting parts may malfunction or destroy the article; continue? ")
4397 (let* ((data (get-text-property (point) 'gnus-data))
4399 (handles gnus-article-mime-handles))
4400 (setq file (and data (mm-save-part data)))
4402 (with-current-buffer (mm-handle-buffer data)
4404 (insert "Content-Type: " (mm-handle-media-type data))
4405 (mml-insert-parameter-string (cdr (mm-handle-type data))
4408 (insert "Content-ID: " (message-make-message-id) "\n")
4409 (insert "Content-Transfer-Encoding: binary\n")
4412 (cdr (mm-make-handle nil
4413 `("message/external-body"
4414 (access-type . "LOCAL-FILE")
4416 (set-buffer gnus-summary-buffer)
4417 (gnus-article-edit-part handles)))))
4419 (defun gnus-mime-delete-part ()
4420 "Delete the MIME part under point.
4421 Replace it with some information about the removed part."
4423 (gnus-article-check-buffer)
4424 (when (gnus-group-read-only-p)
4425 (error "The current group does not support deleting of parts"))
4426 (when (mm-complicated-handles gnus-article-mime-handles)
4428 The current article has a complicated MIME structure, giving up..."))
4429 (when (gnus-yes-or-no-p "\
4430 Deleting parts may malfunction or destroy the article; continue? ")
4431 (let* ((data (get-text-property (point) 'gnus-data))
4432 (handles gnus-article-mime-handles)
4436 (mail-decode-encoded-word-string (or (mm-handle-description data)
4439 (or (mail-content-type-get (mm-handle-disposition data) 'filename)
4441 (type (mm-handle-media-type data)))
4443 (error "No MIME part under point"))
4444 (with-current-buffer (mm-handle-buffer data)
4445 (let ((bsize (format "%s" (buffer-size))))
4450 "| The following attachment has been deleted:\n"
4452 "| Type: " type "\n"
4453 "| Filename: " filename "\n"
4454 "| Size (encoded): " bsize " Byte\n"
4455 "| Description: " description "\n"
4458 (cdr (mm-make-handle
4459 nil `("text/plain") nil nil
4461 (format "Deleted attachment (%s bytes)" bsize))))))
4462 (set-buffer gnus-summary-buffer)
4463 (gnus-article-edit-part handles))))
4465 (defun gnus-mime-save-part ()
4466 "Save the MIME part under point."
4468 (gnus-article-check-buffer)
4469 (let ((data (get-text-property (point) 'gnus-data)))
4471 (mm-save-part data))))
4473 (defun gnus-mime-pipe-part ()
4474 "Pipe the MIME part under point to a process."
4476 (gnus-article-check-buffer)
4477 (let ((data (get-text-property (point) 'gnus-data)))
4479 (mm-pipe-part data))))
4481 (defun gnus-mime-view-part ()
4482 "Interactively choose a viewing method for the MIME part under point."
4484 (gnus-article-check-buffer)
4485 (let ((data (get-text-property (point) 'gnus-data)))
4487 (setq gnus-article-mime-handles
4489 gnus-article-mime-handles (setq data (copy-sequence data))))
4490 (mm-interactively-view-part data))))
4492 (defun gnus-mime-view-part-as-type-internal ()
4493 (gnus-article-check-buffer)
4494 (let* ((name (mail-content-type-get
4495 (mm-handle-type (get-text-property (point) 'gnus-data))
4497 (def-type (and name (mm-default-file-encoding name))))
4498 (and def-type (cons def-type 0))))
4500 (defun gnus-mime-view-part-as-type (&optional mime-type)
4501 "Choose a MIME media type, and view the part as such."
4504 (setq mime-type (completing-read
4505 "View as MIME type: "
4506 (mapcar #'list (mailcap-mime-types))
4508 (gnus-mime-view-part-as-type-internal))))
4509 (gnus-article-check-buffer)
4510 (let ((handle (get-text-property (point) 'gnus-data)))
4513 (mm-make-handle (mm-handle-buffer handle)
4514 (cons mime-type (cdr (mm-handle-type handle)))
4515 (mm-handle-encoding handle)
4516 (mm-handle-undisplayer handle)
4517 (mm-handle-disposition handle)
4518 (mm-handle-description handle)
4520 (mm-handle-id handle)))
4521 (setq gnus-article-mime-handles
4522 (mm-merge-handles gnus-article-mime-handles handle))
4523 (gnus-mm-display-part handle))))
4526 (require 'jka-compr))
4528 ;; jka-compr.el uses a "sh -c" to direct stderr to err-file, but these days
4529 ;; emacs can do that itself.
4531 (defun gnus-mime-jka-compr-maybe-uncompress ()
4532 "Uncompress the current buffer if `auto-compression-mode' is enabled.
4533 The uncompress method used is derived from `buffer-file-name'."
4534 (when (and (fboundp 'jka-compr-installed-p)
4535 (jka-compr-installed-p))
4536 (let ((info (jka-compr-get-compression-info buffer-file-name)))
4538 (let ((basename (file-name-nondirectory buffer-file-name))
4539 (args (jka-compr-info-uncompress-args info))
4540 (prog (jka-compr-info-uncompress-program info))
4541 (message (jka-compr-info-uncompress-message info))
4542 (err-file (jka-compr-make-temp-name)))
4544 (message "%s %s..." message basename))
4546 (unless (memq (apply 'call-process-region
4547 (point-min) (point-max)
4549 t (list t err-file) nil
4551 jka-compr-acceptable-retval-list)
4552 (jka-compr-error prog args basename message err-file))
4553 (jka-compr-delete-temp-file err-file)))))))
4555 (defun gnus-mime-copy-part (&optional handle)
4556 "Put the MIME part under point into a new buffer.
4557 If `auto-compression-mode' is enabled, compressed files like .gz and .bz2
4560 (gnus-article-check-buffer)
4561 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4562 (contents (and handle (mm-get-part handle)))
4564 (file-name-nondirectory
4566 (mail-content-type-get (mm-handle-type handle) 'name)
4567 (mail-content-type-get (mm-handle-disposition handle)
4570 (buffer (and base (generate-new-buffer base))))
4572 (switch-to-buffer buffer)
4574 ;; We do it this way to make `normal-mode' set the appropriate mode.
4577 (setq buffer-file-name (expand-file-name base))
4578 (gnus-mime-jka-compr-maybe-uncompress)
4580 (setq buffer-file-name nil))
4581 (goto-char (point-min)))))
4583 (defun gnus-mime-print-part (&optional handle filename)
4584 "Print the MIME part under point."
4585 (interactive (list nil (ps-print-preprint current-prefix-arg)))
4586 (gnus-article-check-buffer)
4587 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4588 (contents (and handle (mm-get-part handle)))
4589 (file (mm-make-temp-file (expand-file-name "mm." mm-tmp-directory)))
4590 (printer (mailcap-mime-info (mm-handle-media-type handle) "print")))
4595 (mm-save-part-to-file handle file)
4596 (call-process shell-file-name nil
4597 (generate-new-buffer " *mm*")
4599 shell-command-switch
4601 printer file (mm-handle-type handle))))
4605 (gnus-print-buffer))
4606 (ps-despool filename)))))
4608 (defun gnus-mime-inline-part (&optional handle arg)
4609 "Insert the MIME part under point into the current buffer."
4610 (interactive (list nil current-prefix-arg))
4611 (gnus-article-check-buffer)
4612 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4615 (inhibit-read-only t))
4617 (if (and (not arg) (mm-handle-undisplayer handle))
4618 (mm-remove-part handle)
4619 (setq contents (mm-get-part handle))
4622 (setq charset (or (mail-content-type-get
4623 (mm-handle-type handle) 'charset)
4624 gnus-newsgroup-charset)))
4626 (if (mm-handle-undisplayer handle)
4627 (mm-remove-part handle))
4630 gnus-summary-show-article-charset-alist))
4631 (mm-read-coding-system "Charset: ")))))
4633 (mm-insert-inline handle
4635 (setq charset (mm-charset-to-coding-system
4637 (not (eq charset 'ascii)))
4638 (mm-decode-coding-string contents charset)
4642 (defun gnus-mime-view-part-as-charset (&optional handle arg)
4643 "Insert the MIME part under point into the current buffer using the
4645 (interactive (list nil current-prefix-arg))
4646 (gnus-article-check-buffer)
4647 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4650 (inhibit-read-only t))
4652 (if (mm-handle-undisplayer handle)
4653 (mm-remove-part handle))
4654 (let ((gnus-newsgroup-charset
4656 gnus-summary-show-article-charset-alist))
4657 (mm-read-coding-system "Charset: ")))
4658 (gnus-newsgroup-ignored-charsets 'gnus-all))
4659 (gnus-article-press-button)))))
4661 (defun gnus-mime-view-part-externally (&optional handle)
4662 "View the MIME part under point with an external viewer."
4664 (gnus-article-check-buffer)
4665 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4666 (mm-user-display-methods nil)
4667 (mm-inlined-types nil)
4668 (mail-parse-charset gnus-newsgroup-charset)
4669 (mail-parse-ignored-charsets
4670 (with-current-buffer gnus-summary-buffer
4671 gnus-newsgroup-ignored-charsets)))
4673 (if (mm-handle-undisplayer handle)
4674 (mm-remove-part handle)
4675 (mm-display-part handle)))))
4677 (defun gnus-mime-view-part-internally (&optional handle)
4678 "View the MIME part under point with an internal viewer.
4679 If no internal viewer is available, use an external viewer."
4681 (gnus-article-check-buffer)
4682 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4683 (mm-inlined-types '(".*"))
4684 (mm-inline-large-images t)
4685 (mail-parse-charset gnus-newsgroup-charset)
4686 (mail-parse-ignored-charsets
4687 (with-current-buffer gnus-summary-buffer
4688 gnus-newsgroup-ignored-charsets))
4689 (inhibit-read-only t))
4691 (if (mm-handle-undisplayer handle)
4692 (mm-remove-part handle)
4693 (mm-display-part handle)))))
4695 (defun gnus-mime-action-on-part (&optional action)
4696 "Do something with the MIME attachment at \(point\)."
4698 (list (completing-read "Action: " gnus-mime-action-alist nil t)))
4699 (gnus-article-check-buffer)
4700 (let ((action-pair (assoc action gnus-mime-action-alist)))
4702 (funcall (cdr action-pair)))))
4704 (defun gnus-article-part-wrapper (n function)
4705 (with-current-buffer gnus-article-buffer
4706 (when (> n (length gnus-article-mime-handle-alist))
4707 (error "No such part"))
4708 (gnus-article-goto-part n)
4709 (let ((handle (cdr (assq n gnus-article-mime-handle-alist))))
4710 (funcall function handle))))
4712 (defun gnus-article-pipe-part (n)
4713 "Pipe MIME part N, which is the numerical prefix."
4715 (gnus-article-part-wrapper n 'mm-pipe-part))
4717 (defun gnus-article-save-part (n)
4718 "Save MIME part N, which is the numerical prefix."
4720 (gnus-article-part-wrapper n 'mm-save-part))
4722 (defun gnus-article-interactively-view-part (n)
4723 "View MIME part N interactively, which is the numerical prefix."
4725 (gnus-article-part-wrapper n 'mm-interactively-view-part))
4727 (defun gnus-article-copy-part (n)
4728 "Copy MIME part N, which is the numerical prefix."
4730 (gnus-article-part-wrapper n 'gnus-mime-copy-part))
4732 (defun gnus-article-view-part-as-charset (n)
4733 "View MIME part N using a specified charset.
4734 N is the numerical prefix."
4736 (gnus-article-part-wrapper n 'gnus-mime-view-part-as-charset))
4738 (defun gnus-article-view-part-externally (n)
4739 "View MIME part N externally, which is the numerical prefix."
4741 (gnus-article-part-wrapper n 'gnus-mime-view-part-externally))
4743 (defun gnus-article-inline-part (n)
4744 "Inline MIME part N, which is the numerical prefix."
4746 (gnus-article-part-wrapper n 'gnus-mime-inline-part))
4748 (defun gnus-article-mime-match-handle-first (condition)
4751 (dolist (ihandle gnus-article-mime-handle-alist)
4753 ((functionp condition)
4754 (funcall condition (cdr ihandle)))
4755 ((eq condition 'undisplayed)
4756 (not (or (mm-handle-undisplayer (cdr ihandle))
4757 (equal (mm-handle-media-type (cdr ihandle))
4758 "multipart/alternative"))))
4759 ((eq condition 'undisplayed-alternative)
4760 (not (mm-handle-undisplayer (cdr ihandle))))
4762 (gnus-article-goto-part (car ihandle))
4763 (or (not n) (< (car ihandle) n)))
4764 (setq n (car ihandle))))
4768 (defun gnus-article-view-part (&optional n)
4769 "View MIME part N, which is the numerical prefix."
4771 (with-current-buffer gnus-article-buffer
4772 (or (numberp n) (setq n (gnus-article-mime-match-handle-first
4773 gnus-article-mime-match-handle-function)))
4774 (when (> n (length gnus-article-mime-handle-alist))
4775 (error "No such part"))
4776 (let ((handle (cdr (assq n gnus-article-mime-handle-alist))))
4777 (when (gnus-article-goto-part n)
4778 (if (equal (car handle) "multipart/alternative")
4779 (gnus-article-press-button)
4780 (when (eq (gnus-mm-display-part handle) 'internal)
4781 (gnus-set-window-start)))))))
4783 (defsubst gnus-article-mime-total-parts ()
4784 (if (bufferp (car gnus-article-mime-handles))
4786 (1- (length gnus-article-mime-handles))))
4788 (defun gnus-mm-display-part (handle)
4789 "Display HANDLE and fix MIME button."
4790 (let ((id (get-text-property (point) 'gnus-part))
4792 (inhibit-read-only t))
4795 (let ((window (selected-window))
4796 (mail-parse-charset gnus-newsgroup-charset)
4797 (mail-parse-ignored-charsets
4798 (if (gnus-buffer-live-p gnus-summary-buffer)
4799 (with-current-buffer gnus-summary-buffer
4800 gnus-newsgroup-ignored-charsets)
4804 (let ((win (gnus-get-buffer-window (current-buffer) t))
4807 (select-window win))
4810 (if (mm-handle-displayed-p handle)
4811 ;; This will remove the part.
4812 (mm-display-part handle)
4814 (narrow-to-region (point)
4815 (if (eobp) (point) (1+ (point))))
4816 (mm-display-part handle)
4817 ;; We narrow to the part itself and
4818 ;; then call the treatment functions.
4819 (goto-char (point-min))
4821 (narrow-to-region (point) (point-max))
4824 (gnus-article-mime-total-parts)
4825 (mm-handle-media-type handle)))))
4826 (if (window-live-p window)
4827 (select-window window)))))
4830 (gnus-insert-mime-button
4831 handle id (list (mm-handle-displayed-p handle)))
4832 (goto-char point))))
4834 (defun gnus-article-goto-part (n)
4835 "Go to MIME part N."
4836 (gnus-goto-char (text-property-any (point-min) (point-max) 'gnus-part n)))
4838 (defun gnus-insert-mime-button (handle gnus-tmp-id &optional displayed)
4839 (let ((gnus-tmp-name
4840 (or (mail-content-type-get (mm-handle-type handle) 'name)
4841 (mail-content-type-get (mm-handle-disposition handle) 'filename)
4842 (mail-content-type-get (mm-handle-type handle) 'url)
4844 (gnus-tmp-type (mm-handle-media-type handle))
4845 (gnus-tmp-description
4846 (mail-decode-encoded-word-string (or (mm-handle-description handle)
4849 (if (if displayed (car displayed)
4850 (mm-handle-displayed-p handle))
4852 (gnus-tmp-length (with-current-buffer (mm-handle-buffer handle)
4854 gnus-tmp-type-long b e)
4855 (when (string-match ".*/" gnus-tmp-name)
4856 (setq gnus-tmp-name (replace-match "" t t gnus-tmp-name)))
4857 (setq gnus-tmp-type-long (concat gnus-tmp-type
4858 (and (not (equal gnus-tmp-name ""))
4859 (concat "; " gnus-tmp-name))))
4860 (unless (equal gnus-tmp-description "")
4861 (setq gnus-tmp-type-long (concat " --- " gnus-tmp-type-long)))
4866 gnus-mime-button-line-format gnus-mime-button-line-format-alist
4867 `(keymap ,gnus-mime-button-map
4868 gnus-callback gnus-mm-display-part
4869 gnus-part ,gnus-tmp-id
4870 article-type annotation
4873 ;; Exclude a newline.
4876 (widget-convert-button
4879 :action 'gnus-widget-press-button
4880 :button-keymap gnus-mime-button-map
4882 (lambda (widget/window &optional overlay pos)
4883 ;; Needed to properly clear the message due to a bug in
4884 ;; wid-edit (XEmacs only).
4885 (if (boundp 'help-echo-owns-message)
4886 (setq help-echo-owns-message t))
4888 "%S: %s the MIME part; %S: more options"
4889 (aref gnus-mouse-2 0)
4890 ;; XEmacs will get a single widget arg; Emacs 21 will get
4891 ;; window, overlay, position.
4892 (if (mm-handle-displayed-p
4894 (with-current-buffer (gnus-overlay-buffer overlay)
4895 (widget-get (widget-at (gnus-overlay-start overlay))
4897 (widget-get widget/window :mime-handle)))
4899 (aref gnus-down-mouse-3 0))))))
4901 (defun gnus-widget-press-button (elems el)
4902 (goto-char (widget-get elems :from))
4903 (gnus-article-press-button))
4905 (defvar gnus-displaying-mime nil)
4907 (defun gnus-display-mime (&optional ihandles)
4908 "Display the MIME parts."
4910 (save-selected-window
4911 (let ((window (get-buffer-window gnus-article-buffer))
4914 (select-window window)
4915 ;; We have to do this since selecting the window
4916 ;; may change the point. So we set the window point.
4917 (set-window-point window point)))
4918 (let ((handles ihandles)
4919 (inhibit-read-only t)
4920 handle name type b e display)
4922 ((setq handles (mm-dissect-buffer nil gnus-article-loose-mime))
4923 (when gnus-article-emulate-mime
4924 (mm-uu-dissect-text-parts handles)))
4925 (gnus-article-emulate-mime
4926 (setq handles (mm-uu-dissect))))
4927 (when (and (not ihandles)
4928 (not gnus-displaying-mime))
4929 ;; Top-level call; we clean up.
4930 (when gnus-article-mime-handles
4931 (mm-destroy-parts gnus-article-mime-handles)
4932 (setq gnus-article-mime-handle-alist nil));; A trick.
4933 (setq gnus-article-mime-handles handles)
4934 ;; We allow users to glean info from the handles.
4935 (when gnus-article-mime-part-function
4936 (gnus-mime-part-function handles)))
4938 (or (not (stringp (car handles)))
4941 (when (and (not ihandles)
4942 (not gnus-displaying-mime))
4943 ;; Clean up for mime parts.
4945 (delete-region (point) (point-max)))
4946 (let ((gnus-displaying-mime t))
4947 (gnus-mime-display-part handles)))
4950 (narrow-to-region (point) (point-max))
4951 (gnus-treat-article nil 1 1)
4954 ;; Highlight the headers.
4958 (narrow-to-region (point-min) (point))
4959 (gnus-treat-article 'head))))))))
4961 (defcustom gnus-mime-display-multipart-as-mixed nil
4962 "Display \"multipart\" parts as \"multipart/mixed\".
4964 If t, it overrides nil values of
4965 `gnus-mime-display-multipart-alternative-as-mixed' and
4966 `gnus-mime-display-multipart-related-as-mixed'."
4967 :group 'gnus-article-mime
4970 (defcustom gnus-mime-display-multipart-alternative-as-mixed nil
4971 "Display \"multipart/alternative\" parts as \"multipart/mixed\"."
4973 :group 'gnus-article-mime
4976 (defcustom gnus-mime-display-multipart-related-as-mixed nil
4977 "Display \"multipart/related\" parts as \"multipart/mixed\".
4979 If displaying \"text/html\" is discouraged \(see
4980 `mm-discouraged-alternatives'\) images or other material inside a
4981 \"multipart/related\" part might be overlooked when this variable is nil."
4983 :group 'gnus-article-mime
4986 (defun gnus-mime-display-part (handle)
4989 ((not (stringp (car handle)))
4990 (gnus-mime-display-single handle))
4991 ;; User-defined multipart
4992 ((cdr (assoc (car handle) gnus-mime-multipart-functions))
4993 (funcall (cdr (assoc (car handle) gnus-mime-multipart-functions))
4995 ;; multipart/alternative
4996 ((and (equal (car handle) "multipart/alternative")
4997 (not (or gnus-mime-display-multipart-as-mixed
4998 gnus-mime-display-multipart-alternative-as-mixed)))
4999 (let ((id (1+ (length gnus-article-mime-handle-alist))))
5000 (push (cons id handle) gnus-article-mime-handle-alist)
5001 (gnus-mime-display-alternative (cdr handle) nil nil id)))
5002 ;; multipart/related
5003 ((and (equal (car handle) "multipart/related")
5004 (not (or gnus-mime-display-multipart-as-mixed
5005 gnus-mime-display-multipart-related-as-mixed)))
5006 ;;;!!!We should find the start part, but we just default
5007 ;;;!!!to the first part.
5008 ;;(gnus-mime-display-part (cadr handle))
5009 ;;;!!! Most multipart/related is an HTML message plus images.
5010 ;;;!!! Unfortunately we are unable to let W3 display those
5011 ;;;!!! included images, so we just display it as a mixed multipart.
5012 ;;(gnus-mime-display-mixed (cdr handle))
5013 ;;;!!! No, w3 can display everything just fine.
5014 (gnus-mime-display-part (cadr handle)))
5015 ((equal (car handle) "multipart/signed")
5016 (gnus-add-wash-type 'signed)
5017 (gnus-mime-display-security handle))
5018 ((equal (car handle) "multipart/encrypted")
5019 (gnus-add-wash-type 'encrypted)
5020 (gnus-mime-display-security handle))
5021 ;; Other multiparts are handled like multipart/mixed.
5023 (gnus-mime-display-mixed (cdr handle)))))
5025 (defun gnus-mime-part-function (handles)
5026 (if (stringp (car handles))
5027 (mapcar 'gnus-mime-part-function (cdr handles))
5028 (funcall gnus-article-mime-part-function handles)))
5030 (defun gnus-mime-display-mixed (handles)
5031 (mapcar 'gnus-mime-display-part handles))
5033 (defun gnus-mime-display-single (handle)
5034 (let ((type (mm-handle-media-type handle))
5035 (ignored gnus-ignored-mime-types)
5042 (when (string-match (pop ignored) type)
5043 (throw 'ignored nil)))
5044 (if (and (setq not-attachment
5045 (and (not (mm-inline-override-p handle))
5046 (or (not (mm-handle-disposition handle))
5047 (equal (car (mm-handle-disposition handle))
5049 (mm-attachment-override-p handle))))
5050 (mm-automatic-display-p handle)
5052 (mm-inlinable-p handle)
5053 (mm-inlined-p handle))
5054 (mm-automatic-external-display-p type)))
5056 (when (equal (mm-handle-media-supertype handle) "text")
5058 (let ((id (1+ (length gnus-article-mime-handle-alist)))
5060 (push (cons id handle) gnus-article-mime-handle-alist)
5061 (when (or (not display)
5062 (not (gnus-unbuttonized-mime-type-p type)))
5063 (gnus-insert-mime-button
5064 handle id (list (or display (and not-attachment text))))
5065 (gnus-article-insert-newline)
5066 ;; Remember modify the number of forward lines.
5074 (let ((mail-parse-charset gnus-newsgroup-charset)
5075 (mail-parse-ignored-charsets
5076 (save-excursion (condition-case ()
5077 (set-buffer gnus-summary-buffer)
5079 gnus-newsgroup-ignored-charsets)))
5080 (mm-display-part handle t))
5081 (goto-char (point-max)))
5082 ((and text not-attachment)
5086 (gnus-article-insert-newline)
5087 (mm-display-inline handle)
5088 (goto-char (point-max))))
5092 (narrow-to-region beg (point))
5095 (gnus-article-mime-total-parts)
5096 (mm-handle-media-type handle)))))))))
5098 (defun gnus-unbuttonized-mime-type-p (type)
5099 "Say whether TYPE is to be unbuttonized."
5100 (unless gnus-inhibit-mime-unbuttonizing
5102 (let ((types gnus-unbuttonized-mime-types))
5104 (when (string-match (pop types) type)
5105 (throw 'found t)))))
5107 (let ((types gnus-buttonized-mime-types))
5109 (when (string-match (pop types) type)
5110 (throw 'found t)))))))))
5112 (defun gnus-article-insert-newline ()
5113 "Insert a newline, but mark it as undeletable."
5114 (gnus-put-text-property
5115 (point) (progn (insert "\n") (point)) 'gnus-undeletable t))
5117 (defun gnus-mime-display-alternative (handles &optional preferred ibegend id)
5118 (let* ((preferred (or preferred (mm-preferred-alternative handles)))
5121 handle (inhibit-read-only t) from props begend not-pref)
5122 (save-window-excursion
5125 (narrow-to-region (car ibegend)
5128 (goto-char (car ibegend))
5131 (delete-region (point-min) (point-max))
5132 (mm-remove-parts handles))
5133 (setq begend (list (point-marker)))
5135 (unless (setq not-pref (cadr (member preferred ihandles)))
5136 (setq not-pref (car ihandles)))
5139 (not (gnus-unbuttonized-mime-type-p
5140 "multipart/alternative")))
5141 (gnus-add-text-properties
5144 (insert (format "%d. " id))
5148 (unless ,(not ibegend)
5149 (setq gnus-article-mime-handle-alist
5150 ',gnus-article-mime-handle-alist))
5151 (gnus-mime-display-alternative
5152 ',ihandles ',not-pref ',begend ,id))
5153 keymap ,gnus-mime-button-map
5154 ,gnus-mouse-face-prop ,gnus-article-mouse-face
5155 face ,gnus-article-button-face
5158 (widget-convert-button 'link from (point)
5159 :action 'gnus-widget-press-button
5160 :button-keymap gnus-widget-button-keymap)
5162 (while (setq handle (pop handles))
5163 (gnus-add-text-properties
5166 (insert (format "(%c) %-18s"
5167 (if (equal handle preferred) ?* ? )
5168 (mm-handle-media-type handle)))
5172 (unless ,(not ibegend)
5173 (setq gnus-article-mime-handle-alist
5174 ',gnus-article-mime-handle-alist))
5175 (gnus-mime-display-alternative
5176 ',ihandles ',handle ',begend ,id))
5177 keymap ,gnus-mime-button-map
5178 ,gnus-mouse-face-prop ,gnus-article-mouse-face
5179 face ,gnus-article-button-face
5182 (widget-convert-button 'link from (point)
5183 :action 'gnus-widget-press-button
5184 :button-keymap gnus-widget-button-keymap)
5188 (if (stringp (car preferred))
5189 (gnus-display-mime preferred)
5190 (let ((mail-parse-charset gnus-newsgroup-charset)
5191 (mail-parse-ignored-charsets
5192 (with-current-buffer gnus-summary-buffer
5193 gnus-newsgroup-ignored-charsets)))
5194 (mm-display-part preferred)
5198 (narrow-to-region (car begend) (point-max))
5200 nil (length gnus-article-mime-handle-alist)
5201 (gnus-article-mime-total-parts)
5202 (mm-handle-media-type handle))))))
5203 (goto-char (point-max))
5204 (setcdr begend (point-marker)))))
5206 (goto-char point))))
5208 (defconst gnus-article-wash-status-strings
5209 (let ((alist '((cite "c" "Possible hidden citation text"
5210 " " "All citation text visible")
5211 (headers "h" "Hidden headers"
5212 " " "All headers visible.")
5213 (pgp "p" "Encrypted or signed message status hidden"
5214 " " "No hidden encryption nor digital signature status")
5215 (signature "s" "Signature has been hidden"
5216 " " "Signature is visible")
5217 (overstrike "o" "Overstrike (^H) characters applied"
5218 " " "No overstrike characters applied")
5219 (gnus-show-mime "m" "Mime processing is activated"
5220 " " "Mime processing is not activated")
5221 (emphasis "e" "/*_Emphasis_*/ characters applied"
5222 " " "No /*_emphasis_*/ characters applied")))
5224 (dolist (entry alist result)
5225 (let ((key (nth 0 entry))
5226 (on (copy-sequence (nth 1 entry)))
5227 (on-help (nth 2 entry))
5228 (off (copy-sequence (nth 3 entry)))
5229 (off-help (nth 4 entry)))
5230 (put-text-property 0 1 'help-echo on-help on)
5231 (put-text-property 0 1 'help-echo off-help off)
5232 (push (list key on off) result))))
5233 "Alist of strings describing wash status in the mode line.
5234 Each entry has the form (KEY ON OF), where the KEY is a symbol
5235 representing the particular washing function, ON is the string to use
5236 in the article mode line when the washing function is active, and OFF
5237 is the string to use when it is inactive.")
5239 (defun gnus-article-wash-status-entry (key value)
5240 (let ((entry (assoc key gnus-article-wash-status-strings)))
5241 (if value (nth 1 entry) (nth 2 entry))))
5243 (defun gnus-article-wash-status ()
5244 "Return a string which display status of article washing."
5245 (with-current-buffer gnus-article-buffer
5246 (let ((cite (memq 'cite gnus-article-wash-types))
5247 (headers (memq 'headers gnus-article-wash-types))
5248 (boring (memq 'boring-headers gnus-article-wash-types))
5249 (pgp (memq 'pgp gnus-article-wash-types))
5250 (pem (memq 'pem gnus-article-wash-types))
5251 (signed (memq 'signed gnus-article-wash-types))
5252 (encrypted (memq 'encrypted gnus-article-wash-types))
5253 (signature (memq 'signature gnus-article-wash-types))
5254 (overstrike (memq 'overstrike gnus-article-wash-types))
5255 (emphasis (memq 'emphasis gnus-article-wash-types)))
5257 (gnus-article-wash-status-entry 'cite cite)
5258 (gnus-article-wash-status-entry 'headers (or headers boring))
5259 (gnus-article-wash-status-entry 'pgp (or pgp pem signed encrypted))
5260 (gnus-article-wash-status-entry 'signature signature)
5261 (gnus-article-wash-status-entry 'overstrike overstrike)
5262 (gnus-article-wash-status-entry 'gnus-show-mime gnus-show-mime)
5263 (gnus-article-wash-status-entry 'emphasis emphasis)))))
5265 (defun gnus-add-wash-type (type)
5266 "Add a washing of TYPE to the current status."
5267 (add-to-list 'gnus-article-wash-types type))
5269 (defun gnus-delete-wash-type (type)
5270 "Add a washing of TYPE to the current status."
5271 (setq gnus-article-wash-types (delq type gnus-article-wash-types)))
5273 (defun gnus-add-image (category image)
5274 "Add IMAGE of CATEGORY to the list of displayed images."
5275 (let ((entry (assq category gnus-article-image-alist)))
5277 (setq entry (list category))
5278 (push entry gnus-article-image-alist))
5279 (nconc entry (list image))))
5281 (defun gnus-delete-images (category)
5282 "Delete all images in CATEGORY."
5283 (let ((entry (assq category gnus-article-image-alist)))
5284 (dolist (image (cdr entry))
5285 (gnus-remove-image image category))
5286 (setq gnus-article-image-alist (delq entry gnus-article-image-alist))
5287 (gnus-delete-wash-type category)))
5289 (defalias 'gnus-article-hide-headers-if-wanted 'gnus-article-maybe-hide-headers)
5291 (defun gnus-article-maybe-hide-headers ()
5292 "Hide unwanted headers if `gnus-have-all-headers' is nil.
5293 Provided for backwards compatibility."
5294 (when (and (or (not (gnus-buffer-live-p gnus-summary-buffer))
5295 (not (with-current-buffer gnus-summary-buffer
5296 gnus-have-all-headers)))
5297 (not gnus-inhibit-hiding))
5298 (gnus-article-hide-headers)))
5302 (defun gnus-output-to-file (file-name)
5303 "Append the current article to a file named FILE-NAME."
5304 (let ((artbuf (current-buffer)))
5306 (insert-buffer-substring artbuf)
5307 ;; Append newline at end of the buffer as separator, and then
5309 (goto-char (point-max))
5311 (let ((file-name-coding-system nnmail-pathname-coding-system))
5312 (write-region-as-binary (point-min) (point-max) file-name 'append))
5315 (defun gnus-narrow-to-page (&optional arg)
5316 "Narrow the article buffer to a page.
5317 If given a numerical ARG, move forward ARG pages."
5319 (setq arg (if arg (prefix-numeric-value arg) 0))
5321 (set-buffer gnus-article-buffer)
5322 (goto-char (point-min))
5324 ;; Remove any old next/prev buttons.
5325 (when (gnus-visual-p 'page-marker)
5326 (let ((inhibit-read-only t))
5327 (gnus-remove-text-with-property 'gnus-prev)
5328 (gnus-remove-text-with-property 'gnus-next)))
5331 (re-search-backward page-delimiter nil 'move (1+ (abs arg))))
5333 (re-search-forward page-delimiter nil 'move arg)))
5334 (goto-char (match-end 0))
5336 (goto-char (point-min))
5337 (setq gnus-page-broken
5338 (and (re-search-forward page-delimiter nil t) t))))
5339 (when gnus-page-broken
5342 (if (re-search-forward page-delimiter nil 'move)
5345 (when (and (gnus-visual-p 'page-marker)
5346 (> (point-min) (save-restriction (widen) (point-min))))
5348 (goto-char (point-min))
5349 (gnus-insert-prev-page-button)))
5350 (when (and (gnus-visual-p 'page-marker)
5351 (< (+ (point-max) 2) (buffer-size)))
5353 (goto-char (point-max))
5354 (gnus-insert-next-page-button))))))
5356 ;; Article mode commands
5358 (defun gnus-article-goto-next-page ()
5359 "Show the next page of the article."
5361 (when (gnus-article-next-page)
5362 (goto-char (point-min))
5363 (gnus-article-read-summary-keys nil (gnus-character-to-event ?n))))
5366 (defun gnus-article-goto-prev-page ()
5367 "Show the previous page of the article."
5370 (gnus-article-read-summary-keys nil (gnus-character-to-event ?p))
5371 (gnus-article-prev-page nil)))
5373 ;; This is cleaner but currently breaks `gnus-pick-mode':
5375 ;; (defun gnus-article-goto-next-page ()
5376 ;; "Show the next page of the article."
5378 ;; (gnus-eval-in-buffer-window gnus-summary-buffer
5379 ;; (gnus-summary-next-page)))
5381 ;; (defun gnus-article-goto-prev-page ()
5382 ;; "Show the next page of the article."
5384 ;; (gnus-eval-in-buffer-window gnus-summary-buffer
5385 ;; (gnus-summary-prev-page)))
5387 (defun gnus-article-next-page (&optional lines)
5388 "Show the next page of the current article.
5389 If end of article, return non-nil. Otherwise return nil.
5390 Argument LINES specifies lines to be scrolled up."
5392 (move-to-window-line -1)
5395 (and (pos-visible-in-window-p) ;Not continuation line.
5396 (>= (1+ (point)) (point-max)))) ;Allow for trailing newline.
5397 ;; Nothing in this page.
5398 (if (or (not gnus-page-broken)
5403 (eobp)))) ;Real end-of-buffer?
5405 (when gnus-article-over-scroll
5406 (gnus-article-next-page-1 lines))
5408 (gnus-narrow-to-page 1) ;Go to next page.
5410 ;; More in this page.
5411 (gnus-article-next-page-1 lines)
5414 (defun gnus-article-next-page-1 (lines)
5415 (let ((scroll-in-place nil))
5419 ;; Long lines may cause an end-of-buffer error.
5420 (goto-char (point-max)))))
5421 (move-to-window-line 0))
5423 (defun gnus-article-prev-page (&optional lines)
5424 "Show previous page of current article.
5425 Argument LINES specifies lines to be scrolled down."
5427 (move-to-window-line 0)
5428 (if (and gnus-page-broken
5430 (not (save-restriction (widen) (bobp)))) ;Real beginning-of-buffer?
5432 (gnus-narrow-to-page -1) ;Go to previous page.
5433 (goto-char (point-max))
5435 (let ((scroll-in-place nil))
5439 (beginning-of-buffer
5440 (goto-char (point-min))))
5441 (move-to-window-line 0)))))
5443 (defun gnus-article-only-boring-p ()
5444 "Decide whether there is only boring text remaining in the article.
5445 Something \"interesting\" is a word of at least two letters that does
5446 not have a face in `gnus-article-boring-faces'."
5447 (when (and gnus-article-skip-boring
5448 (boundp 'gnus-article-boring-faces)
5449 (symbol-value 'gnus-article-boring-faces))
5452 (while (re-search-forward "\\b\\w\\w" nil t)
5454 (when (not (gnus-intersection
5455 (gnus-faces-at (point))
5456 (symbol-value 'gnus-article-boring-faces)))
5457 (throw 'only-boring nil)))
5458 (throw 'only-boring t)))))
5460 (defun gnus-article-refer-article ()
5461 "Read article specified by message-id around point."
5464 (re-search-backward "[ \t]\\|^" (point-at-bol) t)
5465 (re-search-forward "<?news:<?\\|<" (point-at-eol) t)
5466 (if (re-search-forward "[^@ ]+@[^ \t>]+" (point-at-eol) t)
5467 (let ((msg-id (concat "<" (match-string 0) ">")))
5468 (set-buffer gnus-summary-buffer)
5469 (gnus-summary-refer-article msg-id))
5470 (error "No references around point"))))
5472 (defun gnus-article-show-summary ()
5473 "Reconfigure windows to show summary buffer."
5475 (if (not (gnus-buffer-live-p gnus-summary-buffer))
5476 (error "There is no summary buffer for this article buffer")
5477 (gnus-article-set-globals)
5478 (gnus-configure-windows 'article)
5479 (gnus-summary-goto-subject gnus-current-article)
5480 (gnus-summary-position-point)))
5482 (defun gnus-article-describe-briefly ()
5483 "Describe article mode commands briefly."
5485 (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")))
5487 (defun gnus-article-summary-command ()
5488 "Execute the last keystroke in the summary buffer."
5490 (let ((obuf (current-buffer))
5491 (owin (current-window-configuration))
5493 (switch-to-buffer gnus-article-current-summary 'norecord)
5494 (setq func (lookup-key (current-local-map) (this-command-keys)))
5495 (call-interactively func)
5497 (set-window-configuration owin)
5498 (set-window-point (get-buffer-window (current-buffer)) (point))))
5500 (defun gnus-article-summary-command-nosave ()
5501 "Execute the last keystroke in the summary buffer."
5504 (pop-to-buffer gnus-article-current-summary 'norecord)
5505 (setq func (lookup-key (current-local-map) (this-command-keys)))
5506 (call-interactively func)))
5508 (defun gnus-article-check-buffer ()
5509 "Beep if not in an article buffer."
5510 (unless (eq (get-buffer gnus-article-buffer) (current-buffer))
5511 (error "Command invoked outside of a Gnus article buffer")))
5513 (defun gnus-article-read-summary-keys (&optional arg key not-restore-window)
5514 "Read a summary buffer key sequence and execute it from the article buffer."
5516 (gnus-article-check-buffer)
5518 '("q" "Q" "c" "r" "\C-c\C-f" "m" "a" "f"
5519 "Zc" "ZC" "ZE" "ZJ" "ZQ" "ZZ" "Zn" "ZR" "ZG" "ZN" "ZP"
5520 "=" "^" "\M-^" "|"))
5526 '("n" "Gn" "p" "Gp"))
5529 (set-buffer gnus-article-current-summary)
5530 (let (gnus-pick-mode)
5531 (push (or key last-command-event) unread-command-events)
5532 (setq keys (static-if (featurep 'xemacs)
5533 (events-to-keys (read-key-sequence nil))
5534 (read-key-sequence nil)))))
5537 (if (or (member keys nosaves)
5538 (member keys nosave-but-article)
5539 (member keys nosave-in-article))
5541 (save-window-excursion
5542 (pop-to-buffer gnus-article-current-summary 'norecord)
5543 ;; We disable the pick minor mode commands.
5544 (let (gnus-pick-mode)
5545 (setq func (lookup-key (current-local-map) keys))))
5549 (unless (member keys nosave-in-article)
5550 (set-buffer gnus-article-current-summary))
5551 (call-interactively func)
5552 (setq new-sum-point (point)))
5553 (when (member keys nosave-but-article)
5554 (pop-to-buffer gnus-article-buffer 'norecord)))
5555 ;; These commands should restore window configuration.
5556 (let ((obuf (current-buffer))
5557 (owin (current-window-configuration))
5559 win func in-buffer selected new-sum-start new-sum-hscroll)
5560 (cond (not-restore-window
5561 (pop-to-buffer gnus-article-current-summary 'norecord))
5562 ((setq win (get-buffer-window gnus-article-current-summary))
5563 (select-window win))
5565 (switch-to-buffer gnus-article-current-summary 'norecord)))
5566 (setq in-buffer (current-buffer))
5567 ;; We disable the pick minor mode commands.
5568 (if (and (setq func (let (gnus-pick-mode)
5569 (lookup-key (current-local-map) keys)))
5572 (call-interactively func)
5573 (when (eq win (selected-window))
5574 (setq new-sum-point (point)
5575 new-sum-start (window-start win)
5576 new-sum-hscroll (window-hscroll win))
5577 (when (eq in-buffer (current-buffer))
5578 (setq selected (gnus-summary-select-article))
5580 (unless not-restore-window
5581 (set-window-configuration owin))
5582 (when (eq selected 'old)
5584 (set-window-start (get-buffer-window (current-buffer))
5586 (set-window-point (get-buffer-window (current-buffer))
5588 (when (and (not not-restore-window)
5590 (set-window-point win new-sum-point)
5591 (set-window-start win new-sum-start)
5592 (set-window-hscroll win new-sum-hscroll)))))
5593 (set-window-configuration owin)
5596 (defun gnus-article-describe-key (key)
5597 "Display documentation of the function invoked by KEY. KEY is a string."
5598 (interactive "kDescribe key: ")
5599 (gnus-article-check-buffer)
5600 (if (eq (key-binding key) 'gnus-article-read-summary-keys)
5602 (set-buffer gnus-article-current-summary)
5603 (let (gnus-pick-mode)
5604 (if (featurep 'xemacs)
5606 (push (elt key 0) unread-command-events)
5607 (setq key (events-to-keys
5608 (read-key-sequence "Describe key: "))))
5609 (setq unread-command-events
5611 (lambda (x) (if (>= x 128) (list 'meta (- x 128)) x))
5613 (setq key (read-key-sequence "Describe key: "))))
5615 (describe-key key)))
5617 (defun gnus-article-describe-key-briefly (key &optional insert)
5618 "Display documentation of the function invoked by KEY. KEY is a string."
5619 (interactive "kDescribe key: \nP")
5620 (gnus-article-check-buffer)
5621 (if (eq (key-binding key) 'gnus-article-read-summary-keys)
5623 (set-buffer gnus-article-current-summary)
5624 (let (gnus-pick-mode)
5625 (if (featurep 'xemacs)
5627 (push (elt key 0) unread-command-events)
5628 (setq key (events-to-keys
5629 (read-key-sequence "Describe key: "))))
5630 (setq unread-command-events
5632 (lambda (x) (if (>= x 128) (list 'meta (- x 128)) x))
5634 (setq key (read-key-sequence "Describe key: "))))
5635 (describe-key-briefly key insert))
5636 (describe-key-briefly key insert)))
5638 (defun gnus-article-reply-with-original (&optional wide)
5639 "Start composing a reply mail to the current message.
5640 The text in the region will be yanked. If the region isn't active,
5641 the entire article will be yanked."
5643 (let ((article (cdr gnus-article-current))
5645 (if (not (gnus-region-active-p))
5646 (with-current-buffer gnus-summary-buffer
5647 (gnus-summary-reply (list (list article)) wide))
5648 (setq contents (buffer-substring (point) (mark t)))
5649 ;; Deactivate active regions.
5650 (when (and (boundp 'transient-mark-mode)
5651 transient-mark-mode)
5652 (setq mark-active nil))
5653 (with-current-buffer gnus-summary-buffer
5655 (list (list article contents)) wide)))))
5657 (defun gnus-article-followup-with-original ()
5658 "Compose a followup to the current article.
5659 The text in the region will be yanked. If the region isn't active,
5660 the entire article will be yanked."
5662 (let ((article (cdr gnus-article-current))
5664 (if (not (gnus-region-active-p))
5665 (with-current-buffer gnus-summary-buffer
5666 (gnus-summary-followup (list (list article))))
5667 (setq contents (buffer-substring (point) (mark t)))
5668 ;; Deactivate active regions.
5669 (when (and (boundp 'transient-mark-mode)
5670 transient-mark-mode)
5671 (setq mark-active nil))
5672 (with-current-buffer gnus-summary-buffer
5673 (gnus-summary-followup
5674 (list (list article contents)))))))
5676 (defun gnus-article-hide (&optional arg force)
5677 "Hide all the gruft in the current article.
5678 This means that signatures, cited text and (some) headers will be
5680 If given a prefix, show the hidden text instead."
5681 (interactive (append (gnus-article-hidden-arg) (list 'force)))
5682 (gnus-article-hide-headers arg)
5683 (gnus-article-hide-list-identifiers arg)
5684 (gnus-article-hide-citation-maybe arg force)
5685 (gnus-article-hide-signature arg))
5687 (defun gnus-article-maybe-highlight ()
5688 "Do some article highlighting if article highlighting is requested."
5689 (when (gnus-visual-p 'article-highlight 'highlight)
5690 (gnus-article-highlight-some)))
5692 (defun gnus-check-group-server ()
5693 ;; Make sure the connection to the server is alive.
5694 (unless (gnus-server-opened
5695 (gnus-find-method-for-group gnus-newsgroup-name))
5696 (gnus-check-server (gnus-find-method-for-group gnus-newsgroup-name))
5697 (gnus-request-group gnus-newsgroup-name t)))
5700 (autoload 'nneething-get-file-name "nneething"))
5702 (defun gnus-request-article-this-buffer (article group)
5703 "Get an article and insert it into this buffer."
5704 (let (do-update-line sparse-header)
5708 (gnus-kill-all-overlays)
5709 (setq group (or group gnus-newsgroup-name))
5711 ;; Using `gnus-request-article' directly will insert the article into
5712 ;; `nntp-server-buffer' - so we'll save some time by not having to
5713 ;; copy it from the server buffer into the article buffer.
5715 ;; We only request an article by message-id when we do not have the
5716 ;; headers for it, so we'll have to get those.
5717 (when (stringp article)
5718 (gnus-read-header article))
5720 ;; If the article number is negative, that means that this article
5721 ;; doesn't belong in this newsgroup (possibly), so we find its
5722 ;; message-id and request it by id instead of number.
5723 (when (and (numberp article)
5725 (get-buffer gnus-summary-buffer)
5726 (gnus-buffer-exists-p gnus-summary-buffer))
5728 (set-buffer gnus-summary-buffer)
5729 (let ((header (gnus-summary-article-header article)))
5732 ((memq article gnus-newsgroup-sparse)
5733 ;; This is a sparse gap article.
5734 (setq do-update-line article)
5735 (setq article (mail-header-id header))
5736 (setq sparse-header (gnus-read-header article))
5737 (setq gnus-newsgroup-sparse
5738 (delq article gnus-newsgroup-sparse)))
5740 ;; It's a real article.
5741 (setq article (mail-header-id header)))
5743 ;; It is an extracted pseudo-article.
5744 (setq article 'pseudo)
5745 (gnus-request-pseudo-article header))))
5747 (let ((method (gnus-find-method-for-group
5748 gnus-newsgroup-name)))
5749 (when (and (eq (car method) 'nneething)
5751 (let ((dir (nneething-get-file-name
5752 (mail-header-id header))))
5753 (when (and (stringp dir)
5754 (file-directory-p dir))
5755 (setq article 'nneething)
5756 (gnus-group-enter-directory dir))))))))
5759 ;; Refuse to select canceled articles.
5760 ((and (numberp article)
5762 (get-buffer gnus-summary-buffer)
5763 (gnus-buffer-exists-p gnus-summary-buffer)
5764 (eq (cdr (with-current-buffer gnus-summary-buffer
5765 (assq article gnus-newsgroup-reads)))
5766 gnus-canceled-mark))
5768 ;; We first check `gnus-original-article-buffer'.
5769 ((and (get-buffer gnus-original-article-buffer)
5771 (with-current-buffer gnus-original-article-buffer
5772 (and (equal (car gnus-original-article) group)
5773 (eq (cdr gnus-original-article) article))))
5774 (insert-buffer-substring gnus-original-article-buffer)
5776 ;; Check the backlog.
5777 ((and gnus-keep-backlog
5778 (gnus-backlog-request-article group article (current-buffer)))
5780 ;; Check asynchronous pre-fetch.
5781 ((gnus-async-request-fetched-article group article (current-buffer))
5782 (gnus-async-prefetch-next group article gnus-summary-buffer)
5783 (when (and (numberp article) gnus-keep-backlog)
5784 (gnus-backlog-enter-article group article (current-buffer)))
5787 ((and gnus-use-cache
5789 (gnus-cache-request-article article group))
5791 ;; Check the agent cache.
5792 ((gnus-agent-request-article article group)
5794 ;; Get the article and put into the article buffer.
5795 ((or (stringp article)
5797 (let ((gnus-override-method gnus-override-method)
5798 (methods (and (stringp article)
5799 gnus-refer-article-method))
5800 (backend (car (gnus-find-method-for-group
5801 gnus-newsgroup-name)))
5803 (inhibit-read-only t))
5804 (if (or (not (listp methods))
5805 (and (symbolp (car methods))
5806 (assq (car methods) nnoo-definition-alist)))
5807 (setq methods (list methods)))
5808 (when (and (null gnus-override-method)
5810 (setq gnus-override-method (pop methods)))
5812 (when (eq gnus-override-method 'current)
5813 (setq gnus-override-method
5814 (with-current-buffer gnus-summary-buffer
5815 gnus-current-select-method)))
5817 (gnus-kill-all-overlays)
5818 (let ((gnus-newsgroup-name group))
5819 (gnus-check-group-server))
5821 ((gnus-request-article article group (current-buffer))
5822 (when (numberp article)
5823 (gnus-async-prefetch-next group article
5824 gnus-summary-buffer)
5825 (when gnus-keep-backlog
5826 (gnus-backlog-enter-article
5827 group article (current-buffer))))
5828 (setq result 'article))
5830 (setq gnus-override-method (pop methods)))
5831 ((not (string-match "^400 "
5832 (nnheader-get-report backend)))
5833 ;; If we get 400 server disconnect, reconnect and
5834 ;; retry; otherwise, assume the article has expired.
5835 (setq result 'done))))
5836 (and (eq result 'article) 'article)))
5840 ;; Associate this article with the current summary buffer.
5841 (setq gnus-article-current-summary gnus-summary-buffer)
5843 ;; Take the article from the original article buffer
5844 ;; and place it in the buffer it's supposed to be in.
5845 (when (and (get-buffer gnus-article-buffer)
5846 (equal (buffer-name (current-buffer))
5847 (buffer-name (get-buffer gnus-article-buffer))))
5849 (if (get-buffer gnus-original-article-buffer)
5850 (set-buffer gnus-original-article-buffer)
5851 (set-buffer (gnus-get-buffer-create gnus-original-article-buffer))
5852 (buffer-disable-undo)
5853 (setq major-mode 'gnus-original-article-mode)
5854 (setq buffer-read-only t))
5855 (let ((inhibit-read-only t))
5857 (insert-buffer-substring gnus-article-buffer))
5858 (setq gnus-original-article (cons group article)))
5861 (run-hooks 'gnus-article-decode-hook)
5862 ;; Mark article as decoded or not.
5863 (setq gnus-article-decoded-p gnus-article-decode-hook))
5865 ;; Update sparse articles.
5866 (when (and do-update-line
5867 (or (numberp article)
5869 (let ((buf (current-buffer)))
5870 (set-buffer gnus-summary-buffer)
5871 (gnus-summary-update-article do-update-line sparse-header)
5872 (gnus-summary-goto-subject do-update-line nil t)
5873 (set-window-point (gnus-get-buffer-window (current-buffer) t)
5875 (set-buffer buf))))))
5881 (defcustom gnus-article-edit-mode-hook nil
5882 "Hook run in article edit mode buffers."
5883 :group 'gnus-article-various
5886 (defcustom gnus-article-edit-article-setup-function
5887 'gnus-article-mime-edit-article-setup
5888 "Function called to setup an editing article buffer."
5889 :group 'gnus-article-various
5892 (defvar gnus-article-edit-done-function nil)
5894 (defvar gnus-article-edit-mode-map nil)
5896 ;; Should we be using derived.el for this?
5897 (unless gnus-article-edit-mode-map
5898 (setq gnus-article-edit-mode-map (make-keymap))
5899 (set-keymap-parent gnus-article-edit-mode-map text-mode-map)
5901 (gnus-define-keys gnus-article-edit-mode-map
5902 "\C-c?" describe-mode
5903 "\C-c\C-c" gnus-article-edit-done
5904 "\C-c\C-k" gnus-article-edit-exit
5905 "\C-c\C-f\C-t" message-goto-to
5906 "\C-c\C-f\C-o" message-goto-from
5907 "\C-c\C-f\C-b" message-goto-bcc
5908 ;;"\C-c\C-f\C-w" message-goto-fcc
5909 "\C-c\C-f\C-c" message-goto-cc
5910 "\C-c\C-f\C-s" message-goto-subject
5911 "\C-c\C-f\C-r" message-goto-reply-to
5912 "\C-c\C-f\C-n" message-goto-newsgroups
5913 "\C-c\C-f\C-d" message-goto-distribution
5914 "\C-c\C-f\C-f" message-goto-followup-to
5915 "\C-c\C-f\C-m" message-goto-mail-followup-to
5916 "\C-c\C-f\C-k" message-goto-keywords
5917 "\C-c\C-f\C-u" message-goto-summary
5918 "\C-c\C-f\C-i" message-insert-or-toggle-importance
5919 "\C-c\C-f\C-a" message-generate-unsubscribed-mail-followup-to
5920 "\C-c\C-b" message-goto-body
5921 "\C-c\C-i" message-goto-signature
5923 "\C-c\C-t" message-insert-to
5924 "\C-c\C-n" message-insert-newsgroups
5925 "\C-c\C-o" message-sort-headers
5926 "\C-c\C-e" message-elide-region
5927 "\C-c\C-v" message-delete-not-region
5928 "\C-c\C-z" message-kill-to-signature
5929 "\M-\r" message-newline-and-reformat
5930 "\C-c\C-a" mml-attach-file
5931 "\C-a" message-beginning-of-line
5933 "\M-;" comment-region)
5935 (gnus-define-keys (gnus-article-edit-wash-map
5936 "\C-c\C-w" gnus-article-edit-mode-map)
5937 "f" gnus-article-edit-full-stops))
5940 gnus-article-edit-mode-field-menu gnus-article-edit-mode-map ""
5942 ["Fetch To" message-insert-to t]
5943 ["Fetch Newsgroups" message-insert-newsgroups t]
5945 ["To" message-goto-to t]
5946 ["From" message-goto-from t]
5947 ["Subject" message-goto-subject t]
5948 ["Cc" message-goto-cc t]
5949 ["Reply-To" message-goto-reply-to t]
5950 ["Summary" message-goto-summary t]
5951 ["Keywords" message-goto-keywords t]
5952 ["Newsgroups" message-goto-newsgroups t]
5953 ["Followup-To" message-goto-followup-to t]
5954 ["Mail-Followup-To" message-goto-mail-followup-to t]
5955 ["Distribution" message-goto-distribution t]
5956 ["Body" message-goto-body t]
5957 ["Signature" message-goto-signature t]))
5959 (define-derived-mode gnus-article-edit-mode message-mode "Article Edit"
5960 "Major mode for editing articles.
5961 This is an extended text-mode.
5963 \\{gnus-article-edit-mode-map}"
5964 (make-local-variable 'gnus-article-edit-done-function)
5965 (make-local-variable 'gnus-prev-winconf)
5966 (set (make-local-variable 'font-lock-defaults)
5967 '(message-font-lock-keywords t))
5968 (set (make-local-variable 'mail-header-separator) "")
5969 (set (make-local-variable 'gnus-article-edit-mode) t)
5970 (easy-menu-add message-mode-field-menu message-mode-map)
5971 (setq buffer-read-only nil)
5972 (buffer-enable-undo)
5975 (defun gnus-article-edit (&optional force)
5976 "Edit the current article.
5977 This will have permanent effect only in mail groups.
5978 If FORCE is non-nil, allow editing of articles even in read-only
5981 (when (and (not force)
5982 (gnus-group-read-only-p))
5983 (error "The current newsgroup does not support article editing"))
5984 (gnus-article-date-original)
5985 (gnus-article-edit-article
5987 `(lambda (no-highlight)
5989 (gnus-summary-edit-article-done
5990 ,(or (mail-header-references gnus-current-headers) "")
5991 ,(gnus-group-read-only-p) ,gnus-summary-buffer no-highlight))))
5993 (defun gnus-article-edit-article (start-func exit-func)
5994 "Start editing the contents of the current article buffer."
5995 (let ((winconf (current-window-configuration)))
5996 (set-buffer gnus-article-buffer)
5997 (gnus-article-edit-mode)
5998 (funcall start-func)
5999 (set-buffer-modified-p nil)
6000 (gnus-configure-windows 'edit-article)
6001 (setq gnus-article-edit-done-function exit-func)
6002 (setq gnus-prev-winconf winconf)
6003 (when gnus-article-edit-article-setup-function
6004 (funcall gnus-article-edit-article-setup-function))
6005 (gnus-message 6 "C-c C-c to end edits; C-c C-k to exit")))
6007 (defun gnus-article-edit-done (&optional arg)
6008 "Update the article edits and exit."
6010 (let ((func gnus-article-edit-done-function)
6011 (buf (current-buffer))
6012 (start (window-start))
6014 (winconf gnus-prev-winconf))
6015 (remove-hook 'gnus-article-mode-hook
6016 'gnus-article-mime-edit-article-unwind)
6017 (widen) ;; Widen it in case that users narrowed the buffer.
6020 ;; The cache and backlog have to be flushed somewhat.
6021 (when gnus-keep-backlog
6022 (gnus-backlog-remove-article
6023 (car gnus-article-current) (cdr gnus-article-current)))
6024 ;; Flush original article as well.
6026 (when (get-buffer gnus-original-article-buffer)
6027 (set-buffer gnus-original-article-buffer)
6028 (setq gnus-original-article nil)))
6029 (when gnus-use-cache
6030 (gnus-cache-update-article
6031 (car gnus-article-current) (cdr gnus-article-current)))
6032 ;; We remove all text props from the article buffer.
6033 (kill-all-local-variables)
6034 (set-text-properties (point-min) (point-max) nil)
6036 (set-window-configuration winconf)
6038 (set-window-start (get-buffer-window buf) start)
6039 (set-window-point (get-buffer-window buf) (point)))
6040 (gnus-summary-show-article))
6042 (defun gnus-article-edit-exit ()
6043 "Exit the article editing without updating."
6045 (when (or (not (buffer-modified-p))
6046 (yes-or-no-p "Article modified; kill anyway? "))
6047 (let ((curbuf (current-buffer))
6049 (window-start (window-start)))
6051 (if (gnus-buffer-live-p gnus-original-article-buffer)
6052 (insert-buffer-substring gnus-original-article-buffer))
6053 (let ((winconf gnus-prev-winconf))
6054 (kill-all-local-variables)
6056 (set-window-configuration winconf)
6057 ;; Tippy-toe some to make sure that point remains where it was.
6058 (save-current-buffer
6060 (set-window-start (get-buffer-window (current-buffer)) window-start)
6062 (gnus-summary-show-article)))
6064 (defun gnus-article-edit-full-stops ()
6065 "Interactively repair spacing at end of sentences."
6068 (goto-char (point-min))
6069 (search-forward-regexp "^$" nil t)
6070 (let ((case-fold-search nil))
6071 (query-replace-regexp "\\([.!?][])}]* \\)\\([[({A-Z]\\)" "\\1 \\2"))))
6074 ;;; Article editing with MIME-Edit
6077 (defcustom gnus-article-mime-edit-article-setup-hook nil
6078 "Hook run after setting up a MIME editing article buffer."
6079 :group 'gnus-article-various
6082 (defun gnus-article-mime-edit-article-unwind ()
6083 "Unwind `gnus-article-buffer' if article editing was given up."
6084 (remove-hook 'gnus-article-mode-hook 'gnus-article-mime-edit-article-unwind)
6085 (when (featurep 'font-lock)
6086 (setq font-lock-defaults nil)
6087 (font-lock-mode -1))
6088 (when mime-edit-mode-flag
6089 (mime-edit-exit 'nomime 'no-error)
6092 (defun gnus-article-mime-edit-article-setup ()
6093 "Convert current buffer to MIME-Edit buffer and turn on MIME-Edit mode
6094 after replacing with the original article."
6095 (setq gnus-show-mime t)
6096 (setq gnus-article-edit-done-function
6097 `(lambda (&rest args)
6098 (when mime-edit-mode-flag
6099 (let (mime-edit-insert-user-agent-field)
6102 (goto-char (point-min))
6103 (let (case-fold-search)
6104 (when (re-search-forward
6105 (format "^%s$" (regexp-quote mail-header-separator))
6107 (replace-match "")))
6108 (apply ,gnus-article-edit-done-function args)
6111 (buffer-substring-no-properties (point-min) (point-max))
6112 (set-buffer (get-buffer-create gnus-original-article-buffer))
6114 (setq gnus-current-headers (gnus-article-make-full-mail-header))
6115 (set-buffer gnus-article-buffer)
6116 (gnus-article-prepare-display)))
6117 (substitute-key-definition 'gnus-article-edit-done
6118 'gnus-article-mime-edit-done
6119 gnus-article-edit-mode-map)
6120 (substitute-key-definition 'gnus-article-edit-exit
6121 'gnus-article-mime-edit-exit
6122 gnus-article-edit-mode-map)
6124 (insert-buffer-substring gnus-original-article-buffer)
6125 (unless (member (with-current-buffer gnus-summary-buffer
6126 gnus-newsgroup-name)
6127 '("nndraft:delayed" "nndraft:drafts"))
6128 (let ((ofn (symbol-function 'mime-edit-decode-single-part-in-buffer)))
6129 (fset 'mime-edit-decode-single-part-in-buffer
6130 (lambda (&rest args)
6131 (if (let ((content-type (car args)))
6132 (and (eq 'message (mime-content-type-primary-type
6134 (eq 'rfc822 (mime-content-type-subtype
6136 (setcar (cdr args) 'not-decode-text))
6140 (fset 'mime-edit-decode-single-part-in-buffer ofn))))
6141 (when (featurep 'font-lock)
6142 (set (make-local-variable 'font-lock-defaults)
6143 '(message-font-lock-keywords t))
6144 (font-lock-set-defaults)
6145 (turn-on-font-lock))
6146 (set-buffer-modified-p nil)
6147 (delete-other-windows)
6148 (add-hook 'gnus-article-mode-hook 'gnus-article-mime-edit-article-unwind)
6149 (gnus-run-hooks 'gnus-article-mime-edit-article-setup-hook))
6151 (defun gnus-article-mime-edit-done (&optional arg)
6152 "Update the article MIME edits and exit."
6154 (when (featurep 'font-lock)
6155 (setq font-lock-defaults nil)
6156 (font-lock-mode -1))
6157 (let ((inhibit-read-only t))
6158 (gnus-article-edit-done arg)))
6160 (defun gnus-article-mime-edit-exit ()
6161 "Exit the article MIME editing without updating."
6163 (when (or (not (buffer-modified-p))
6164 (yes-or-no-p "Article modified; kill anyway? "))
6165 (when (featurep 'font-lock)
6166 (setq font-lock-defaults nil)
6167 (font-lock-mode -1))
6168 (when mime-edit-mode-flag
6169 (let (mime-edit-insert-user-agent-field)
6172 (goto-char (point-min))
6173 (let (case-fold-search)
6174 (when (re-search-forward
6175 (format "^%s$" (regexp-quote mail-header-separator)) nil t)
6176 (replace-match "")))
6177 (let ((winconf gnus-prev-winconf))
6179 (buffer-substring-no-properties (point-min) (point-max))
6180 (set-buffer (get-buffer-create gnus-original-article-buffer))
6182 (setq gnus-current-headers (gnus-article-make-full-mail-header))
6183 (set-buffer gnus-article-buffer)
6184 (gnus-article-prepare-display)
6185 (set-window-configuration winconf))))
6188 ;;; Article highlights
6191 ;; Written by Per Abrahamsen <abraham@iesd.auc.dk>.
6193 ;;; Internal Variables:
6195 (defcustom gnus-button-url-regexp
6196 (if (string-match "[[:digit:]]" "1") ;; support POSIX?
6197 "\\b\\(\\(www\\.\\|\\(s?https?\\|ftp\\|file\\|gopher\\|nntp\\|news\\|telnet\\|wais\\|mailto\\|info\\):\\)\\(//[-a-z0-9_.]+:[0-9]*\\)?[-a-z0-9_=!?#$@~%&*+\\/:;.,[:word:]]+[-a-z0-9_=#$@~%&*+\\/[:word:]]\\)"
6198 "\\b\\(\\(www\\.\\|\\(s?https?\\|ftp\\|file\\|gopher\\|nntp\\|news\\|telnet\\|wais\\|mailto\\|info\\):\\)\\(//[-a-z0-9_.]+:[0-9]*\\)?\\([-a-z0-9_=!?#$@~%&*+\\/:;.,]\\|\\w\\)+\\([-a-z0-9_=#$@~%&*+\\/]\\|\\w\\)\\)")
6199 "Regular expression that matches URLs."
6200 :group 'gnus-article-buttons
6203 (defcustom gnus-button-valid-fqdn-regexp
6204 message-valid-fqdn-regexp
6205 "Regular expression that matches a valid FQDN."
6207 :group 'gnus-article-buttons
6210 (defcustom gnus-button-man-handler 'manual-entry
6211 "Function to use for displaying man pages.
6212 The function must take at least one argument with a string naming the
6215 :type '(choice (function-item :tag "Man" manual-entry)
6216 (function-item :tag "Woman" woman)
6217 (function :tag "Other"))
6218 :group 'gnus-article-buttons)
6220 (defcustom gnus-ctan-url "http://tug.ctan.org/tex-archive/"
6221 "Top directory of a CTAN \(Comprehensive TeX Archive Network\) archive.
6222 If the default site is too slow, try to find a CTAN mirror, see
6223 <URL:http://tug.ctan.org/tex-archive/CTAN.sites?action=/index.html>. See also
6224 the variable `gnus-button-handle-ctan'."
6226 :group 'gnus-article-buttons
6227 :link '(custom-manual "(gnus)Group Parameters")
6228 :type '(choice (const "http://www.tex.ac.uk/tex-archive/")
6229 (const "http://tug.ctan.org/tex-archive/")
6230 (const "http://www.dante.de/CTAN/")
6231 (string :tag "Other")))
6233 (defcustom gnus-button-ctan-handler 'browse-url
6234 "Function to use for displaying CTAN links.
6235 The function must take one argument, the string naming the URL."
6237 :type '(choice (function-item :tag "Browse Url" browse-url)
6238 (function :tag "Other"))
6239 :group 'gnus-article-buttons)
6241 (defcustom gnus-button-handle-ctan-bogus-regexp "^/?tex-archive/\\|^/"
6242 "Bogus strings removed from CTAN URLs."
6244 :group 'gnus-article-buttons
6245 :type '(choice (const "^/?tex-archive/\\|/")
6246 (regexp :tag "Other")))
6248 (defcustom gnus-button-ctan-directory-regexp
6251 "biblio\\|digests\\|dviware\\|fonts\\|graphics\\|help\\|"
6252 "indexing\\|info\\|language\\|macros\\|support\\|systems\\|"
6253 "tds\\|tools\\|usergrps\\|web\\|nonfree\\|obsolete"
6255 "Regular expression for ctan directories.
6256 It should match all directories in the top level of `gnus-ctan-url'."
6258 :group 'gnus-article-buttons
6261 (defcustom gnus-button-mid-or-mail-regexp
6262 (concat "\\b\\(<?[a-z0-9$%(*-=?[_][^<>\")!;:,{}\n\t ]*@"
6263 ;; Felix Wiemann in <87oeuomcz9.fsf@news2.ososo.de>
6264 gnus-button-valid-fqdn-regexp
6266 "Regular expression that matches a message ID or a mail address."
6268 :group 'gnus-article-buttons
6271 (defcustom gnus-button-prefer-mid-or-mail 'gnus-button-mid-or-mail-heuristic
6272 "What to do when the button on a string as \"foo123@bar.invalid\" is pushed.
6273 Strings like this can be either a message ID or a mail address. If it is one
6274 of the symbols `mid' or `mail', Gnus will always assume that the string is a
6275 message ID or a mail address, respectively. If this variable is set to the
6276 symbol `ask', always query the user what do do. If it is a function, this
6277 function will be called with the string as it's only argument. The function
6278 must return `mid', `mail', `invalid' or `ask'."
6280 :group 'gnus-article-buttons
6281 :type '(choice (function-item :tag "Heuristic function"
6282 gnus-button-mid-or-mail-heuristic)
6287 (defcustom gnus-button-mid-or-mail-heuristic-alist
6288 '((-10.0 . ".+\\$.+@")
6291 (-5.0 . "\\+[^+]*\\+.*@") ;; # two plus signs
6292 (-5.0 . "@[Nn][Ee][Ww][Ss]") ;; /\@news/i
6293 (-5.0 . "@.*[Dd][Ii][Aa][Ll][Uu][Pp]") ;; /\@.*dialup/i;
6294 (-1.0 . "^[^a-z]+@")
6296 (-5.0 . "\\.[0-9][0-9]+.*@") ;; "\.[0-9]{2,}.*\@"
6297 (-5.0 . "[a-z].*[A-Z].*[a-z].*[A-Z].*@") ;; "([a-z].*[A-Z].*){2,}\@"
6298 (-3.0 . "[A-Z][A-Z][a-z][a-z].*@")
6299 (-5.0 . "\\...?.?@") ;; (-5.0 . "\..{1,3}\@")
6302 (-1.0 . "^[0-9][0-9]")
6304 ;; -3.0 /^[0-9][0-9a-fA-F]{2,2}/;
6305 (-3.0 . "^[0-9][0-9a-fA-F][0-9a-fA-F][^0-9a-fA-F]")
6306 ;; -5.0 /^[0-9][0-9a-fA-F]{3,3}/;
6307 (-5.0 . "^[0-9][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][^0-9a-fA-F]")
6309 (-3.0 . "[0-9][0-9][0-9][0-9][0-9][^0-9].*@") ;; "[0-9]{5,}.*\@"
6310 (-3.0 . "[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][^0-9].*@")
6313 . "[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9].*@")
6315 ;; compensation for TDMA dated mail addresses:
6316 (25.0 . "-dated-[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]+.*@")
6318 (-20.0 . "\\.fsf@") ;; Gnus
6321 (-20.0 . "_-_") ;; Subject change in thread
6323 (-20.0 . "\\.ln@") ;; leafnode
6324 (-30.0 . "@ID-[0-9]+\\.[a-zA-Z]+\\.dfncis\\.de")
6325 (-30.0 . "@4[Aa][Xx]\\.com") ;; Forte Agent
6327 ;; (5.0 . "") ;; $local_part_len <= 7
6328 (10.0 . "^[^0-9]+@")
6329 (3.0 . "^[^0-9]+[0-9][0-9]?[0-9]?@")
6330 ;; ^[^0-9]+[0-9]{1,3}\@ digits only at end of local part
6333 (2.0 . "[a-z][a-z][._-][A-Z][a-z].*@")
6335 (0.5 . "^[A-Z][a-z]")
6336 (0.5 . "^[A-Z][a-z][a-z]")
6337 (1.5 . "^[A-Z][a-z][A-Z][a-z][^a-z]") ;; ^[A-Z][a-z]{3,3}
6338 (2.0 . "^[A-Z][a-z][A-Z][a-z][a-z][^a-z]")) ;; ^[A-Z][a-z]{4,4}
6339 "An alist of \(RATE . REGEXP\) pairs for `gnus-button-mid-or-mail-heuristic'.
6341 A negative RATE indicates a message IDs, whereas a positive indicates a mail
6342 address. The REGEXP is processed with `case-fold-search' set to nil."
6344 :group 'gnus-article-buttons
6345 :type '(repeat (cons (number :tag "Rate")
6346 (regexp :tag "Regexp"))))
6348 (defun gnus-button-mid-or-mail-heuristic (mid-or-mail)
6349 "Guess whether MID-OR-MAIL is a message ID or a mail address.
6350 Returns `mid' if MID-OR-MAIL is a message IDs, `mail' if it's a mail
6351 address, `ask' if unsure and `invalid' if the string is invalid."
6352 (let ((case-fold-search nil)
6353 (list gnus-button-mid-or-mail-heuristic-alist)
6354 (result 0) rate regexp lpartlen elem)
6356 (length (gnus-replace-in-string mid-or-mail "^\\(.*\\)@.*$" "\\1")))
6357 (gnus-message 8 "`%s', length of local part=`%s'." mid-or-mail lpartlen)
6358 ;; Certain special cases...
6361 "^0[0-9]+-[0-9][0-9][0-9][0-9]@t-online\\.de$\\|"
6362 "^[0-9]+\\.[0-9]+@compuserve\\|"
6363 "@public\\.gmane\\.org")
6365 (gnus-message 8 "`%s' is a known mail address." mid-or-mail)
6366 (setq result 'mail))
6367 (when (string-match "@.*@\\| " mid-or-mail)
6368 (gnus-message 8 "`%s' is invalid." mid-or-mail)
6369 (setq result 'invalid))
6370 ;; Nothing more to do, if result is not a number here...
6371 (when (numberp result)
6373 (setq elem (car list)
6377 (when (string-match regexp mid-or-mail)
6378 (setq result (+ result rate))
6380 9 "`%s' matched `%s', rate `%s', result `%s'."
6381 mid-or-mail regexp rate result)))
6382 (when (<= lpartlen 7)
6383 (setq result (+ result 5.0))
6384 (gnus-message 9 "`%s' matched (<= lpartlen 7), result `%s'."
6385 mid-or-mail result))
6386 (when (>= lpartlen 12)
6387 (gnus-message 9 "`%s' matched (>= lpartlen 12)" mid-or-mail)
6389 ((string-match "[0-9][^0-9]+[0-9].*@" mid-or-mail)
6390 ;; Long local part should contain realname if e-mail address,
6391 ;; too many digits: message-id.
6392 ;; $score -= 5.0 + 0.1 * $local_part_len;
6393 (setq rate (* -1.0 (+ 5.0 (* 0.1 lpartlen))))
6394 (setq result (+ result rate))
6396 9 "Many digits in `%s', rate `%s', result `%s'."
6397 mid-or-mail rate result))
6398 ((string-match "[^aeiouy][^aeiouy][^aeiouy][^aeiouy]+.*\@"
6400 ;; Too few vowels [^aeiouy]{4,}.*\@
6401 (setq result (+ result -5.0))
6403 9 "Few vowels in `%s', rate `%s', result `%s'."
6404 mid-or-mail -5.0 result))
6406 (setq result (+ result 5.0))
6408 9 "`%s', rate `%s', result `%s'." mid-or-mail 5.0 result)))))
6409 (gnus-message 8 "`%s': Final rate is `%s'." mid-or-mail result)
6410 ;; Maybe we should make this a customizable alist: (condition . 'result)
6412 ((symbolp result) result)
6413 ;; Now convert number into proper results:
6414 ((< result -10.0) 'mid)
6415 ((> result 10.0) 'mail)
6418 (defun gnus-button-handle-mid-or-mail (mid-or-mail)
6419 (let* ((pref gnus-button-prefer-mid-or-mail) guessed
6420 (url-mid (concat "news" ":" mid-or-mail))
6421 (url-mailto (concat "mailto" ":" mid-or-mail)))
6422 (gnus-message 9 "mid-or-mail=%s" mid-or-mail)
6423 (when (fboundp pref)
6425 ;; get rid of surrounding angles...
6427 (gnus-replace-in-string mid-or-mail "^<\\|>$" "")))
6428 (if (or (eq 'mid guessed) (eq 'mail guessed))
6432 (save-window-excursion
6433 (if (y-or-n-p (concat "Is <" mid-or-mail "> a mail address? "))
6436 (cond ((eq pref 'mid)
6437 (gnus-message 8 "calling `gnus-button-handle-news' %s" url-mid)
6438 (gnus-button-handle-news url-mid))
6440 (gnus-message 8 "calling `gnus-url-mailto' %s" url-mailto)
6441 (gnus-url-mailto url-mailto))
6442 (t (gnus-message 3 "Invalid string.")))))
6444 (defun gnus-button-handle-custom (url)
6445 "Follow a Custom URL."
6446 (customize-apropos (gnus-url-unhex-string url)))
6448 (defvar gnus-button-handle-describe-prefix "^\\(C-h\\|<?[Ff]1>?\\)")
6450 ;; FIXME: Maybe we should merge some of the functions that do quite similar
6453 (defun gnus-button-handle-describe-function (url)
6454 "Call `describe-function' when pushing the corresponding URL button."
6457 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))))
6459 (defun gnus-button-handle-describe-variable (url)
6460 "Call `describe-variable' when pushing the corresponding URL button."
6463 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))))
6465 (defun gnus-button-handle-symbol (url)
6466 "Display help on variable or function.
6467 Calls `describe-variable' or `describe-function'."
6468 (let ((sym (intern url)))
6470 ((fboundp sym) (describe-function sym))
6471 ((boundp sym) (describe-variable sym))
6472 (t (gnus-message 3 "`%s' is not a known function of variable." url)))))
6474 (defun gnus-button-handle-describe-key (url)
6475 "Call `describe-key' when pushing the corresponding URL button."
6477 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))
6478 (keys (ignore-errors (eval `(kbd ,key-string)))))
6481 (gnus-message 3 "Invalid key sequence in button: %s" key-string))))
6483 (defun gnus-button-handle-apropos (url)
6484 "Call `apropos' when pushing the corresponding URL button."
6485 (apropos (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6487 (defun gnus-button-handle-apropos-command (url)
6488 "Call `apropos' when pushing the corresponding URL button."
6490 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6492 (defun gnus-button-handle-apropos-variable (url)
6493 "Call `apropos' when pushing the corresponding URL button."
6495 (if (fboundp 'apropos-variable) 'apropos-variable 'apropos)
6496 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6498 (defun gnus-button-handle-apropos-documentation (url)
6499 "Call `apropos' when pushing the corresponding URL button."
6501 (if (fboundp 'apropos-documentation) 'apropos-documentation 'apropos)
6502 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6504 (defun gnus-button-handle-library (url)
6505 "Call `locate-library' when pushing the corresponding URL button."
6506 (gnus-message 9 "url=`%s'" url)
6507 (let* ((lib (locate-library url))
6508 (file (gnus-replace-in-string (or lib "") "\.elc" ".el")))
6510 (gnus-message 1 "Cannot locale library `%s'." url)
6511 (find-file-read-only file))))
6513 (defun gnus-button-handle-ctan (url)
6514 "Call `browse-url' when pushing a CTAN URL button."
6516 gnus-button-ctan-handler
6519 (gnus-replace-in-string url gnus-button-handle-ctan-bogus-regexp ""))))
6521 (defcustom gnus-button-tex-level 5
6522 "*Integer that says how many TeX-related buttons Gnus will show.
6523 The higher the number, the more buttons will appear and the more false
6524 positives are possible. Note that you can set this variable local to
6525 specific groups. Setting it higher in TeX groups is probably a good idea.
6526 See Info node `(gnus)Group Parameters' and the variable `gnus-parameters' on
6527 how to set variables in specific groups."
6529 :group 'gnus-article-buttons
6530 :link '(custom-manual "(gnus)Group Parameters")
6533 (defcustom gnus-button-man-level 5
6534 "*Integer that says how many man-related buttons Gnus will show.
6535 The higher the number, the more buttons will appear and the more false
6536 positives are possible. Note that you can set this variable local to
6537 specific groups. Setting it higher in Unix groups is probably a good idea.
6538 See Info node `(gnus)Group Parameters' and the variable `gnus-parameters' on
6539 how to set variables in specific groups."
6541 :group 'gnus-article-buttons
6542 :link '(custom-manual "(gnus)Group Parameters")
6545 (defcustom gnus-button-emacs-level 5
6546 "*Integer that says how many emacs-related buttons Gnus will show.
6547 The higher the number, the more buttons will appear and the more false
6548 positives are possible. Note that you can set this variable local to
6549 specific groups. Setting it higher in Emacs or Gnus related groups is
6550 probably a good idea. See Info node `(gnus)Group Parameters' and the variable
6551 `gnus-parameters' on how to set variables in specific groups."
6553 :group 'gnus-article-buttons
6554 :link '(custom-manual "(gnus)Group Parameters")
6557 (defcustom gnus-button-message-level 5
6558 "*Integer that says how many buttons for news or mail messages will appear.
6559 The higher the number, the more buttons will appear and the more false
6560 positives are possible."
6561 ;; mail addresses, MIDs, URLs for news, ...
6563 :group 'gnus-article-buttons
6566 (defcustom gnus-button-browse-level 5
6567 "*Integer that says how many buttons for browsing will appear.
6568 The higher the number, the more buttons will appear and the more false
6569 positives are possible."
6570 ;; stuff handled by `browse-url' or `gnus-button-embedded-url'
6572 :group 'gnus-article-buttons
6575 (defcustom gnus-button-alist
6576 '(("<\\(url:[>\n\t ]*?\\)?\\(nntp\\|news\\):[>\n\t ]*\\([^>\n\t ]*@[^>\n\t ]*\\)>"
6577 0 (>= gnus-button-message-level 0) gnus-button-handle-news 3)
6578 ("\\b\\(nntp\\|news\\):\\([^>\n\t ]*@[^>)!;:,\n\t ]*\\)" 0 t
6579 gnus-button-handle-news 2)
6580 ("\\(\\b<\\(url:[>\n\t ]*\\)?\\(nntp\\|news\\):[>\n\t ]*\\(//\\)?\\([^>\n\t ]*\\)>\\)"
6581 1 (>= gnus-button-message-level 0) gnus-button-fetch-group 5)
6582 ("\\b\\(nntp\\|news\\):\\(//\\)?\\([^'\">\n\t ]+\\)"
6583 0 (>= gnus-button-message-level 0) gnus-button-fetch-group 3)
6584 ;; RFC 2392 (Don't allow `/' in domain part --> CID)
6585 ("\\bmid:\\(//\\)?\\([^'\">\n\t ]+@[^'\">\n\t /]+\\)"
6586 0 (>= gnus-button-message-level 0) gnus-button-message-id 2)
6587 ("\\bin\\( +article\\| +message\\)? +\\(<\\([^\n @<>]+@[^\n @<>]+\\)>\\)"
6588 2 (>= gnus-button-message-level 0) gnus-button-message-id 3)
6589 ("\\(<URL: *\\)mailto: *\\([^> \n\t]+\\)>"
6590 0 (>= gnus-button-message-level 0) gnus-url-mailto 2)
6591 ;; RFC 2368 (The mailto URL scheme)
6592 ("\\bmailto:\\([-a-z.@_+0-9%=?&/]+\\)"
6593 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
6594 ("\\bmailto:\\([^ \n\t]+\\)"
6595 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
6597 ((concat "\\bCTAN:[ \t\n]?[^>)!;:,'\n\t ]*\\("
6598 gnus-button-ctan-directory-regexp
6599 "[^][>)!;:,'\n\t ]+\\)")
6600 0 (>= gnus-button-tex-level 1) gnus-button-handle-ctan 1)
6601 ((concat "\\btex-archive/\\("
6602 gnus-button-ctan-directory-regexp
6603 "/[-_.a-z0-9/]+[-_./a-z0-9]+[/a-z0-9]\\)")
6604 1 (>= gnus-button-tex-level 6) gnus-button-handle-ctan 1)
6607 gnus-button-ctan-directory-regexp
6608 "/[-_.a-z0-9]+/[-_./a-z0-9]+[/a-z0-9]\\)")
6609 1 (>= gnus-button-tex-level 8) gnus-button-handle-ctan 1)
6610 ;; This is info (home-grown style) <info://foo/bar+baz>
6611 ("\\binfo://\\([^'\">\n\t ]+\\)"
6612 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url 1)
6613 ;; Info GNOME style <info:foo#bar_baz>
6614 ("\\binfo:\\([^('\n\t\r \"><][^'\n\t\r \"><]*\\)"
6615 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url-gnome 1)
6616 ;; Info KDE style <info:(foo)bar baz>
6617 ("<\\(info:\\(([^)]+)[^>\n\r]*\\)\\)>"
6618 1 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url-kde 2)
6619 ("\\((Info-goto-node\\|(info\\)[ \t\n]*\\(\"[^\"]*\"\\))" 0
6620 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url 2)
6621 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+i[ \t\n]+d?[ \t\n]?m[ \t\n]+\\([^ ]+ ?[^ ]+\\)[ \t\n]+RET"
6622 ;; Info links like `C-h i d m CC Mode RET'
6623 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-keystrokes 2)
6625 ("\\bcustom:\\(//\\)?\\([^'\">\n\t ]+\\)"
6626 0 (>= gnus-button-emacs-level 5) gnus-button-handle-custom 2)
6627 ("M-x[ \t\n]customize-[^ ]+[ \t\n]RET[ \t\n]\\([^ ]+\\)[ \t\n]RET" 0
6628 (>= gnus-button-emacs-level 1) gnus-button-handle-custom 1)
6629 ;; Emacs help commands
6630 ("M-x[ \t\n]+apropos[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6631 ;; regexp doesn't match arguments containing ` '.
6632 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos 1)
6633 ("M-x[ \t\n]+apropos-command[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6634 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-command 1)
6635 ("M-x[ \t\n]+apropos-variable[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6636 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-variable 1)
6637 ("M-x[ \t\n]+apropos-documentation[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6638 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-documentation 1)
6639 ;; The following entries may lead to many false positives so don't enable
6640 ;; them by default (use a high button level).
6641 ("/\\([a-z][-a-z0-9]+\\.el\\)\\>[^.?]"
6642 ;; Exclude [.?] for URLs in gmane.emacs.cvs
6643 1 (>= gnus-button-emacs-level 8) gnus-button-handle-library 1)
6644 ("`\\([a-z][-a-z0-9]+\\.el\\)'"
6645 1 (>= gnus-button-emacs-level 8) gnus-button-handle-library 1)
6646 ("`\\([a-z][a-z0-9]+-[a-z]+-[-a-z]+\\|\\(gnus\\|message\\)-[-a-z]+\\)'"
6647 0 (>= gnus-button-emacs-level 8) gnus-button-handle-symbol 1)
6648 ("`\\([a-z][a-z0-9]+-[a-z]+\\)'"
6649 0 (>= gnus-button-emacs-level 9) gnus-button-handle-symbol 1)
6650 ("(setq[ \t\n]+\\([a-z][a-z0-9]+-[-a-z0-9]+\\)[ \t\n]+.+)"
6651 1 (>= gnus-button-emacs-level 7) gnus-button-handle-describe-variable 1)
6652 ("\\bM-x[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6653 1 (>= gnus-button-emacs-level 7) gnus-button-handle-describe-function 1)
6654 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+f[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6655 0 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-function 2)
6656 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+v[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6657 0 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-variable 2)
6658 ("`\\(\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+k[ \t\n]+\\([^']+\\)\\)'"
6659 ;; Unlike the other regexps we really have to require quoting
6660 ;; here to determine where it ends.
6661 1 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-key 3)
6662 ;; This is how URLs _should_ be embedded in text (RFC 1738, RFC 2396)...
6663 ("<URL: *\\([^<>]*\\)>"
6664 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
6665 ;; RFC 2396 (2.4.3., delims) ...
6666 ("\"URL: *\\([^\"]*\\)\""
6667 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
6668 ;; RFC 2396 (2.4.3., delims) ...
6669 ("\"URL: *\\([^\"]*\\)\""
6670 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
6672 (gnus-button-url-regexp
6673 0 (>= gnus-button-browse-level 0) browse-url 0)
6675 ("\\b\\([a-z][a-z]+([1-9])\\)\\W"
6676 0 (and (>= gnus-button-man-level 1) (< gnus-button-man-level 3))
6677 gnus-button-handle-man 1)
6678 ;; more man pages: resolv.conf(5), iso_8859-1(7), xterm(1x)
6679 ("\\b\\([a-z][-_.a-z0-9]+([1-9])\\)\\W"
6680 0 (and (>= gnus-button-man-level 3) (< gnus-button-man-level 5))
6681 gnus-button-handle-man 1)
6682 ;; even more: Apache::PerlRun(3pm), PDL::IO::FastRaw(3pm),
6683 ;; SoWWWAnchor(3iv), XSelectInput(3X11), X(1), X(7)
6684 ("\\b\\(\\(?:[a-z][-+_.:a-z0-9]+([1-9][X1a-z]*)\\)\\|\\b\\(?:X([1-9])\\)\\)\\W"
6685 0 (>= gnus-button-man-level 5) gnus-button-handle-man 1)
6686 ;; MID or mail: To avoid too many false positives we don't try to catch
6687 ;; all kind of allowed MIDs or mail addresses. Domain part must contain
6688 ;; at least one dot. TLD must contain two or three chars or be a know TLD
6689 ;; (info|name|...). Put this entry near the _end_ of `gnus-button-alist'
6690 ;; so that non-ambiguous entries (see above) match first.
6691 (gnus-button-mid-or-mail-regexp
6692 0 (>= gnus-button-message-level 5) gnus-button-handle-mid-or-mail 1))
6693 "*Alist of regexps matching buttons in article bodies.
6695 Each entry has the form (REGEXP BUTTON FORM CALLBACK PAR...), where
6696 REGEXP: is the string (case insensitive) matching text around the button (can
6697 also be Lisp expression evaluating to a string),
6698 BUTTON: is the number of the regexp grouping actually matching the button,
6699 FORM: is a Lisp expression which must eval to true for the button to
6701 CALLBACK: is the function to call when the user push this button, and each
6702 PAR: is a number of a regexp grouping whose text will be passed to CALLBACK.
6704 CALLBACK can also be a variable, in that case the value of that
6705 variable it the real callback function."
6706 :group 'gnus-article-buttons
6707 :type '(repeat (list (choice regexp variable sexp)
6708 (integer :tag "Button")
6710 (function :tag "Callback")
6713 (integer :tag "Regexp group")))))
6715 (defcustom gnus-header-button-alist
6716 '(("^\\(References\\|Message-I[Dd]\\|^In-Reply-To\\):" "<[^<>]+>"
6717 0 (>= gnus-button-message-level 0) gnus-button-message-id 0)
6718 ("^\\(From\\|Reply-To\\):" ": *\\(.+\\)$"
6719 1 (>= gnus-button-message-level 0) gnus-button-reply 1)
6720 ("^\\(Cc\\|To\\):" "[^ \t\n<>,()\"]+@[^ \t\n<>,()\"]+"
6721 0 (>= gnus-button-message-level 0) gnus-button-mailto 0)
6722 ("^X-[Uu][Rr][Ll]:" gnus-button-url-regexp
6723 0 (>= gnus-button-browse-level 0) browse-url 0)
6724 ("^Subject:" gnus-button-url-regexp
6725 0 (>= gnus-button-browse-level 0) browse-url 0)
6726 ("^[^:]+:" gnus-button-url-regexp
6727 0 (>= gnus-button-browse-level 0) browse-url 0)
6728 ("^[^:]+:" "\\bmailto:\\([-a-z.@_+0-9%=?&/]+\\)"
6729 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
6730 ("^[^:]+:" "\\(<\\(url: \\)?\\(nntp\\|news\\):\\([^>\n ]*\\)>\\)"
6731 1 (>= gnus-button-message-level 0) gnus-button-message-id 4))
6732 "*Alist of headers and regexps to match buttons in article heads.
6734 This alist is very similar to `gnus-button-alist', except that each
6735 alist has an additional HEADER element first in each entry:
6737 \(HEADER REGEXP BUTTON FORM CALLBACK PAR)
6739 HEADER is a regexp to match a header. For a fuller explanation, see
6740 `gnus-button-alist'."
6741 :group 'gnus-article-buttons
6742 :group 'gnus-article-headers
6743 :type '(repeat (list (regexp :tag "Header")
6744 (choice regexp variable)
6745 (integer :tag "Button")
6747 (function :tag "Callback")
6750 (integer :tag "Regexp group")))))
6754 (defun gnus-article-push-button (event)
6755 "Check text under the mouse pointer for a callback function.
6756 If the text under the mouse pointer has a `gnus-callback' property,
6757 call it with the value of the `gnus-data' text property."
6759 (set-buffer (window-buffer (posn-window (event-start event))))
6760 (let* ((pos (posn-point (event-start event)))
6761 (data (get-text-property pos 'gnus-data))
6762 (fun (get-text-property pos 'gnus-callback)))
6765 (funcall fun data))))
6767 (defun gnus-article-press-button ()
6768 "Check text at point for a callback function.
6769 If the text at point has a `gnus-callback' property,
6770 call it with the value of the `gnus-data' text property."
6772 (let ((data (get-text-property (point) 'gnus-data))
6773 (fun (get-text-property (point) 'gnus-callback)))
6775 (funcall fun data))))
6777 (defun gnus-article-prev-button (n)
6778 "Move point to N buttons backward.
6779 If N is negative, move forward instead."
6781 (gnus-article-next-button (- n)))
6783 (defun gnus-article-next-button (n)
6784 "Move point to N buttons forward.
6785 If N is negative, move backward instead."
6787 (let ((function (if (< n 0) 'previous-single-property-change
6788 'next-single-property-change))
6789 (inhibit-point-motion-hooks t)
6791 (limit (if (< n 0) (point-min) (point-max))))
6793 (while (and (not (= limit (point)))
6795 ;; Skip past the current button.
6796 (when (get-text-property (point) 'gnus-callback)
6797 (goto-char (funcall function (point) 'gnus-callback nil limit)))
6798 ;; Go to the next (or previous) button.
6799 (gnus-goto-char (funcall function (point) 'gnus-callback nil limit))
6800 ;; Put point at the start of the button.
6801 (when (and backward (not (get-text-property (point) 'gnus-callback)))
6802 (goto-char (funcall function (point) 'gnus-callback nil limit)))
6803 ;; Skip past intangible buttons.
6804 (when (get-text-property (point) 'intangible)
6808 (gnus-message 5 "No more buttons"))
6811 (defun gnus-article-highlight (&optional force)
6812 "Highlight current article.
6813 This function calls `gnus-article-highlight-headers',
6814 `gnus-article-highlight-citation',
6815 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
6816 do the highlighting. See the documentation for those functions."
6817 (interactive (list 'force))
6818 (gnus-article-highlight-headers)
6819 (gnus-article-highlight-citation force)
6820 (gnus-article-highlight-signature)
6821 (gnus-article-add-buttons force)
6822 (gnus-article-add-buttons-to-head))
6824 (defun gnus-article-highlight-some (&optional force)
6825 "Highlight current article.
6826 This function calls `gnus-article-highlight-headers',
6827 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
6828 do the highlighting. See the documentation for those functions."
6829 (interactive (list 'force))
6830 (gnus-article-highlight-headers)
6831 (gnus-article-highlight-signature)
6832 (gnus-article-add-buttons))
6834 (defun gnus-article-highlight-headers ()
6835 "Highlight article headers as specified by `gnus-header-face-alist'."
6837 (gnus-with-article-headers
6838 (let (regexp header-face field-face from hpoints fpoints)
6839 (dolist (entry gnus-header-face-alist)
6840 (goto-char (point-min))
6841 (setq regexp (concat "^\\("
6842 (if (string-equal "" (nth 0 entry))
6846 header-face (nth 1 entry)
6847 field-face (nth 2 entry))
6848 (while (and (re-search-forward regexp nil t)
6852 (unless (search-forward ":" nil t)
6854 (when (and header-face
6855 (not (memq (point) hpoints)))
6856 (push (point) hpoints)
6857 (gnus-put-text-property from (point) 'face header-face))
6858 (when (and field-face
6859 (not (memq (setq from (point)) fpoints)))
6861 (if (re-search-forward "^[^ \t]" nil t)
6863 (goto-char (point-max)))
6864 (gnus-put-text-property from (point) 'face field-face)))))))
6866 (defun gnus-article-highlight-signature ()
6867 "Highlight the signature in an article.
6868 It does this by highlighting everything after
6869 `gnus-signature-separator' using `gnus-signature-face'."
6871 (when gnus-signature-face
6872 (gnus-with-article-buffer
6873 (let ((inhibit-point-motion-hooks t))
6875 (when (gnus-article-narrow-to-signature)
6876 (gnus-overlay-put (gnus-make-overlay (point-min) (point-max))
6877 'face gnus-signature-face)))))))
6879 (defun gnus-article-buttonize-signature ()
6880 "Add button to the signature."
6883 (set-buffer gnus-article-buffer)
6884 (let ((inhibit-read-only t)
6885 (inhibit-point-motion-hooks t))
6886 (when (gnus-article-search-signature)
6887 (gnus-article-add-button (match-beginning 0) (match-end 0)
6888 'gnus-signature-toggle
6889 (set-marker (make-marker)
6890 (1+ (match-end 0))))))))
6892 (defun gnus-button-in-region-p (b e prop)
6893 "Say whether PROP exists in the region."
6894 (text-property-not-all b e prop nil))
6896 (defun gnus-article-add-buttons (&optional force)
6897 "Find external references in the article and make buttons of them.
6898 \"External references\" are things like Message-IDs and URLs, as
6899 specified by `gnus-button-alist'."
6900 (interactive (list 'force))
6901 (gnus-with-article-buffer
6902 (let ((inhibit-point-motion-hooks t)
6903 (case-fold-search t)
6904 (alist gnus-button-alist)
6906 ;; Remove all old markers.
6907 (let (marker entry new-list)
6908 (while (setq marker (pop gnus-button-marker-list))
6909 (if (or (< marker (point-min)) (>= marker (point-max)))
6910 (push marker new-list)
6912 (when (setq entry (gnus-button-entry))
6913 (put-text-property (match-beginning (nth 1 entry))
6914 (match-end (nth 1 entry))
6915 'gnus-callback nil))
6916 (set-marker marker nil)))
6917 (setq gnus-button-marker-list new-list))
6918 ;; We skip the headers.
6921 (while (setq entry (pop alist))
6922 (setq regexp (eval (car entry)))
6924 (while (re-search-forward regexp nil t)
6925 (let* ((start (and entry (match-beginning (nth 1 entry))))
6926 (end (and entry (match-end (nth 1 entry))))
6927 (from (match-beginning 0)))
6928 (when (and (or (eq t (nth 2 entry))
6929 (eval (nth 2 entry)))
6930 (not (gnus-button-in-region-p
6931 start end 'gnus-callback)))
6932 ;; That optional form returned non-nil, so we add the
6934 (gnus-article-add-button
6935 start end 'gnus-button-push
6936 (car (push (set-marker (make-marker) from)
6937 gnus-button-marker-list))))))))))
6939 ;; Add buttons to the head of an article.
6940 (defun gnus-article-add-buttons-to-head ()
6941 "Add buttons to the head of the article."
6943 (gnus-with-article-headers
6945 (dolist (entry gnus-header-button-alist)
6946 ;; Each alist entry.
6947 (goto-char (point-min))
6948 (while (re-search-forward (car entry) nil t)
6949 ;; Each header matching the entry.
6950 (setq beg (match-beginning 0))
6951 (setq end (or (and (re-search-forward "^[^ \t]" nil t)
6952 (match-beginning 0))
6955 (while (re-search-forward (eval (nth 1 entry)) end t)
6956 ;; Each match within a header.
6957 (let* ((entry (cdr entry))
6958 (start (match-beginning (nth 1 entry)))
6959 (end (match-end (nth 1 entry)))
6960 (form (nth 2 entry)))
6961 (goto-char (match-end 0))
6963 (gnus-article-add-button
6964 start end (nth 3 entry)
6965 (buffer-substring (match-beginning (nth 4 entry))
6966 (match-end (nth 4 entry)))))))
6967 (goto-char end))))))
6969 ;;; External functions:
6971 (defun gnus-article-add-button (from to fun &optional data)
6972 "Create a button between FROM and TO with callback FUN and data DATA."
6973 (when gnus-article-button-face
6974 (gnus-overlay-put (gnus-make-overlay from to)
6975 'face gnus-article-button-face))
6976 (gnus-add-text-properties
6978 (nconc (and gnus-article-mouse-face
6979 (list gnus-mouse-face-prop gnus-article-mouse-face))
6980 (list 'gnus-callback fun)
6981 (and data (list 'gnus-data data))))
6982 (widget-convert-button 'link from to :action 'gnus-widget-press-button
6983 :button-keymap gnus-widget-button-keymap))
6985 ;;; Internal functions:
6987 (defun gnus-article-set-globals ()
6988 (with-current-buffer gnus-summary-buffer
6989 (gnus-set-global-variables)))
6991 (defun gnus-signature-toggle (end)
6992 (gnus-with-article-buffer
6993 (let ((inhibit-point-motion-hooks t)
6994 (limit (next-single-property-change end 'mime-view-entity
6996 (if (text-property-any end limit 'article-type 'signature)
6998 (gnus-delete-wash-type 'signature)
6999 (gnus-remove-text-properties-when
7000 'article-type 'signature end limit
7001 (cons 'article-type (cons 'signature
7002 gnus-hidden-properties))))
7003 (gnus-add-wash-type 'signature)
7004 (gnus-add-text-properties-when
7005 'article-type nil end limit
7006 (cons 'article-type (cons 'signature
7007 gnus-hidden-properties)))))
7008 (let ((gnus-article-mime-handle-alist-1 gnus-article-mime-handle-alist))
7009 (gnus-set-mode-line 'article))))
7011 (defun gnus-button-entry ()
7012 ;; Return the first entry in `gnus-button-alist' matching this place.
7013 (let ((alist gnus-button-alist)
7016 (setq entry (pop alist))
7017 (if (looking-at (eval (car entry)))
7022 (defun gnus-button-push (marker)
7023 ;; Push button starting at MARKER.
7026 (let* ((entry (gnus-button-entry))
7027 (inhibit-point-motion-hooks t)
7029 (args (mapcar (lambda (group)
7030 (let ((string (match-string group)))
7031 (set-text-properties
7032 0 (length string) nil string)
7039 (fboundp (symbol-value fun)))
7040 (apply (symbol-value fun) args))
7042 (gnus-message 1 "You must define `%S' to use this button"
7043 (cons fun args)))))))
7045 (defun gnus-parse-news-url (url)
7046 (let (scheme server group message-id articles)
7049 (goto-char (point-min))
7050 (when (looking-at "\\([A-Za-z]+\\):")
7051 (setq scheme (match-string 1))
7052 (goto-char (match-end 0)))
7053 (when (looking-at "//\\([^/]+\\)/")
7054 (setq server (match-string 1))
7055 (goto-char (match-end 0)))
7058 ((looking-at "\\(.*@.*\\)")
7059 (setq message-id (match-string 1)))
7060 ((looking-at "\\([^/]+\\)/\\([-0-9]+\\)")
7061 (setq group (match-string 1)
7062 articles (split-string (match-string 2) "-")))
7063 ((looking-at "\\([^/]+\\)/?")
7064 (setq group (match-string 1)))
7066 (error "Unknown news URL syntax"))))
7067 (list scheme server group message-id articles)))
7069 (defun gnus-button-handle-news (url)
7071 (destructuring-bind (scheme server group message-id articles)
7072 (gnus-parse-news-url url)
7076 (set-buffer gnus-summary-buffer)
7078 (let ((gnus-refer-article-method (list (list 'nntp server))))
7079 (gnus-summary-refer-article message-id))
7080 (gnus-summary-refer-article message-id))))
7082 (gnus-button-fetch-group url)))))
7084 (defun gnus-button-handle-man (url)
7086 (gnus-message 9 "`%s' `%s'" gnus-button-man-handler url)
7087 (when (eq gnus-button-man-handler 'woman)
7088 (setq url (gnus-replace-in-string url "([1-9][X1a-z]*).*\\'" "")))
7089 (gnus-message 9 "`%s' `%s'" gnus-button-man-handler url)
7090 (funcall gnus-button-man-handler url))
7092 (defun gnus-button-handle-info-url (url)
7093 "Fetch an info URL."
7094 (setq url (mm-subst-char-in-string ?+ ?\ url))
7096 ((string-match "^\\([^:/]+\\)?/\\(.*\\)" url)
7097 (gnus-info-find-node
7098 (concat "(" (or (gnus-url-unhex-string (match-string 1 url))
7100 ")" (gnus-url-unhex-string (match-string 2 url)))))
7101 ((string-match "([^)\"]+)[^\"]+" url)
7103 (gnus-replace-in-string
7104 (gnus-replace-in-string url "[\n\t ]+" " ") "\"" ""))
7105 (gnus-info-find-node url))
7106 (t (error "Can't parse %s" url))))
7108 (defun gnus-button-handle-info-url-gnome (url)
7109 "Fetch GNOME style info URL."
7110 (setq url (mm-subst-char-in-string ?_ ?\ url))
7111 (if (string-match "\\([^#]+\\)#?\\(.*\\)" url)
7112 (gnus-info-find-node
7114 (gnus-url-unhex-string
7115 (match-string 1 url))
7117 (or (gnus-url-unhex-string
7118 (match-string 2 url))
7120 (error "Can't parse %s" url)))
7122 (defun gnus-button-handle-info-url-kde (url)
7123 "Fetch KDE style info URL."
7124 (gnus-info-find-node (gnus-url-unhex-string url)))
7126 (defun gnus-button-handle-info-keystrokes (url)
7127 "Call `info' when pushing the corresponding URL button."
7128 ;; For links like `C-h i d m gnus RET', `C-h i d m CC Mode RET'.
7133 (defun gnus-button-message-id (message-id)
7135 (with-current-buffer gnus-summary-buffer
7136 (gnus-summary-refer-article message-id)))
7138 (defun gnus-button-fetch-group (address)
7139 "Fetch GROUP specified by ADDRESS."
7140 (if (not (string-match "[:/]" address))
7141 ;; This is just a simple group url.
7142 (gnus-group-read-ephemeral-group address gnus-select-method)
7145 "^\\([^:/]+\\)\\(:\\([^/]+\\)\\)?/\\([^/]+\\)\\(/\\([0-9]+\\)\\)?"
7147 (error "Can't parse %s" address)
7148 (gnus-group-read-ephemeral-group
7149 (match-string 4 address)
7150 `(nntp ,(match-string 1 address)
7151 (nntp-address ,(match-string 1 address))
7152 (nntp-port-number ,(if (match-end 3)
7153 (match-string 3 address)
7156 (and (match-end 6) (list (string-to-int (match-string 6 address))))))))
7158 (defun gnus-url-parse-query-string (query &optional downcase)
7159 (let (retval pairs cur key val)
7160 (setq pairs (split-string query "&"))
7162 (setq cur (car pairs)
7164 (if (not (string-match "=" cur))
7166 (setq key (gnus-url-unhex-string (substring cur 0 (match-beginning 0)))
7167 val (gnus-url-unhex-string (substring cur (match-end 0) nil) t))
7169 (setq key (downcase key)))
7170 (setq cur (assoc key retval))
7172 (setcdr cur (cons val (cdr cur)))
7173 (setq retval (cons (list key val) retval)))))
7176 (defun gnus-url-mailto (url)
7177 ;; Send mail to someone
7178 (when (string-match "mailto:/*\\(.*\\)" url)
7179 (setq url (substring url (match-beginning 1) nil)))
7180 (let (to args subject func)
7181 (setq args (gnus-url-parse-query-string
7182 (if (string-match "^\\?" url)
7184 (if (string-match "^\\([^?]+\\)\\?\\(.*\\)" url)
7185 (concat "to=" (match-string 1 url) "&"
7186 (match-string 2 url))
7187 (concat "to=" url)))
7189 subject (cdr-safe (assoc "subject" args)))
7192 (setq func (intern-soft (concat "message-goto-" (downcase (caar args)))))
7195 (message-position-on-field (caar args)))
7196 (insert (gnus-replace-in-string
7197 (mapconcat 'identity (reverse (cdar args)) ", ")
7199 (setq args (cdr args)))
7202 (message-goto-subject))))
7204 (defun gnus-button-embedded-url (address)
7205 "Activate ADDRESS with `browse-url'."
7206 (browse-url (gnus-strip-whitespace address)))
7208 ;;; Next/prev buttons in the article buffer.
7210 (defvar gnus-next-page-line-format "%{%(Next page...%)%}\n")
7211 (defvar gnus-prev-page-line-format "%{%(Previous page...%)%}\n")
7213 (defvar gnus-prev-page-map
7214 (let ((map (make-sparse-keymap)))
7215 (define-key map gnus-mouse-2 'gnus-button-prev-page)
7216 (define-key map "\r" 'gnus-button-prev-page)
7219 (defvar gnus-next-page-map
7220 (let ((map (make-sparse-keymap)))
7221 (unless (>= emacs-major-version 21)
7222 ;; XEmacs doesn't care.
7223 (set-keymap-parent map gnus-article-mode-map))
7224 (define-key map gnus-mouse-2 'gnus-button-next-page)
7225 (define-key map "\r" 'gnus-button-next-page)
7228 (defun gnus-insert-prev-page-button ()
7230 (inhibit-read-only t)
7231 (situation (get-text-property (point-min) 'mime-view-situation)))
7233 gnus-prev-page-line-format nil
7234 `(keymap ,gnus-prev-page-map
7236 gnus-callback gnus-article-button-prev-page
7237 article-type annotation
7238 mime-view-situation ,situation))
7239 (widget-convert-button
7241 ;; Exclude a newline.
7244 :action 'gnus-button-prev-page
7245 :button-keymap gnus-prev-page-map)))
7247 (defun gnus-button-next-page (&optional args more-args)
7248 "Go to the next page."
7250 (let ((win (selected-window)))
7251 (select-window (gnus-get-buffer-window gnus-article-buffer t))
7252 (gnus-article-next-page)
7253 (select-window win)))
7255 (defun gnus-button-prev-page (&optional args more-args)
7256 "Go to the prev page."
7258 (let ((win (selected-window)))
7259 (select-window (gnus-get-buffer-window gnus-article-buffer t))
7260 (gnus-article-prev-page)
7261 (select-window win)))
7263 (defun gnus-insert-next-page-button ()
7265 (inhibit-read-only t)
7266 (situation (get-text-property (point-min) 'mime-view-situation)))
7267 (gnus-eval-format gnus-next-page-line-format nil
7268 `(keymap ,gnus-next-page-map
7270 gnus-callback gnus-article-button-next-page
7271 article-type annotation
7272 mime-view-situation ,situation))
7273 (widget-convert-button
7275 ;; Exclude a newline.
7278 :action 'gnus-button-next-page
7279 :button-keymap gnus-next-page-map)))
7281 (defun gnus-article-button-next-page (arg)
7282 "Go to the next page."
7284 (let ((win (selected-window)))
7285 (select-window (gnus-get-buffer-window gnus-article-buffer t))
7286 (gnus-article-next-page)
7287 (select-window win)))
7289 (defun gnus-article-button-prev-page (arg)
7290 "Go to the prev page."
7292 (let ((win (selected-window)))
7293 (select-window (gnus-get-buffer-window gnus-article-buffer t))
7294 (gnus-article-prev-page)
7295 (select-window win)))
7297 (defvar gnus-decode-header-methods
7298 '(mail-decode-encoded-word-region)
7299 "List of methods used to decode headers.
7301 This variable is a list of FUNCTION or (REGEXP . FUNCTION). If item
7302 is FUNCTION, FUNCTION will be applied to all newsgroups. If item is a
7303 \(REGEXP . FUNCTION), FUNCTION will be only apply to the newsgroups
7304 whose names match REGEXP.
7307 \((\"chinese\" . gnus-decode-encoded-word-region-by-guess)
7308 mail-decode-encoded-word-region
7309 (\"chinese\" . rfc1843-decode-region))
7312 (defvar gnus-decode-header-methods-cache nil)
7314 (defun gnus-multi-decode-header (start end)
7315 "Apply the functions from `gnus-encoded-word-methods' that match."
7316 (unless (and gnus-decode-header-methods-cache
7317 (eq gnus-newsgroup-name
7318 (car gnus-decode-header-methods-cache)))
7319 (setq gnus-decode-header-methods-cache (list gnus-newsgroup-name))
7322 (nconc gnus-decode-header-methods-cache (list x))
7323 (if (and gnus-newsgroup-name
7324 (string-match (car x) gnus-newsgroup-name))
7325 (nconc gnus-decode-header-methods-cache
7327 gnus-decode-header-methods))
7328 (let ((xlist gnus-decode-header-methods-cache))
7331 (narrow-to-region start end)
7333 (funcall (pop xlist) (point-min) (point-max))))))
7336 ;;; Treatment top-level handling.
7339 (defun gnus-treat-article (condition &optional part-number total-parts type)
7340 (let ((length (- (point-max) (point-min)))
7341 (alist gnus-treatment-function-alist)
7342 (article-goto-body-goes-to-point-min-p t)
7346 (let ((list gnus-article-treat-types))
7348 (when (string-match (pop list) type)
7349 (throw 'found t)))))))
7350 (highlightp (gnus-visual-p 'article-highlight 'highlight))
7351 (entity (static-unless (featurep 'xemacs)
7352 (when (eq 'head condition)
7353 (get-text-property (point-min) 'mime-view-entity))))
7354 val elem buttonized)
7355 (gnus-run-hooks 'gnus-part-display-hook)
7356 (unless gnus-inhibit-treatment
7357 (dolist (elem alist)
7360 (when (gnus-buffer-live-p gnus-summary-buffer)
7361 (set-buffer gnus-summary-buffer))
7362 (symbol-value (car elem))))
7363 (when (and (or (consp val)
7365 (gnus-treat-predicate val)
7366 (or (not (get (car elem) 'highlight))
7368 (when (and (not buttonized)
7370 '(gnus-treat-hide-signature
7371 gnus-treat-highlight-signature)))
7372 (gnus-article-buttonize-signature)
7373 (setq buttonized t))
7375 (funcall (cadr elem)))))
7376 ;; FSF Emacsen does not inherit the existing text properties
7377 ;; in the new text, so we should do it for `mime-view-entity'.
7378 (static-unless (featurep 'xemacs)
7380 (put-text-property (point-min) (point-max)
7381 'mime-view-entity entity))))))
7383 ;; Dynamic variables.
7385 (defvar part-number)
7386 (defvar total-parts)
7391 (defun gnus-treat-predicate (val)
7396 (stringp (car val)))
7397 (apply 'gnus-or (mapcar `(lambda (s)
7398 (string-match s ,(or gnus-newsgroup-name "")))
7401 (let ((pred (pop val)))
7404 (apply 'gnus-or (mapcar 'gnus-treat-predicate val)))
7406 (apply 'gnus-and (mapcar 'gnus-treat-predicate val)))
7408 (not (gnus-treat-predicate (car val))))
7410 (equal (car val) type))
7412 (error "%S is not a valid predicate" pred)))))
7422 (eq part-number total-parts))
7426 (error "%S is not a valid value" val))))
7428 (defun gnus-article-encrypt-body (protocol &optional n)
7429 "Encrypt the article body."
7432 (or gnus-article-encrypt-protocol
7433 (completing-read "Encrypt protocol: "
7434 gnus-article-encrypt-protocol-alist
7436 current-prefix-arg))
7437 (let ((func (cdr (assoc protocol gnus-article-encrypt-protocol-alist))))
7439 (error (format "Can't find the encrypt protocol %s" protocol)))
7440 (if (member gnus-newsgroup-name '("nndraft:delayed"
7443 (error "Can't encrypt the article in group %s"
7444 gnus-newsgroup-name))
7445 (gnus-summary-iterate n
7447 (set-buffer gnus-summary-buffer)
7448 (let ((mail-parse-charset gnus-newsgroup-charset)
7449 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets)
7450 (summary-buffer gnus-summary-buffer)
7452 (gnus-set-global-variables)
7453 (when (gnus-group-read-only-p)
7454 (error "The current newsgroup does not support article encrypt"))
7455 (gnus-summary-show-article t)
7457 (or (mail-header-references gnus-current-headers) ""))
7458 (set-buffer gnus-article-buffer)
7459 (let* ((inhibit-read-only t)
7461 (mapcar (lambda (field)
7462 (and (save-restriction
7463 (message-narrow-to-head)
7464 (goto-char (point-min))
7465 (search-forward field nil t))
7467 (message-narrow-to-field)
7469 (delete-region (point-min) (point-max))
7471 '("Content-Type:" "Content-Transfer-Encoding:"
7472 "Content-Disposition:"))))
7473 (message-narrow-to-head)
7474 (message-remove-header "MIME-Version")
7475 (goto-char (point-max))
7476 (setq point (point))
7477 (insert (apply 'concat headers))
7479 (narrow-to-region point (point-max))
7480 (let ((message-options message-options))
7481 (message-options-set 'message-sender user-mail-address)
7482 (message-options-set 'message-recipients user-mail-address)
7483 (message-options-set 'message-sign-encrypt 'not)
7485 (goto-char (point-min))
7486 (insert "MIME-Version: 1.0\n")
7488 (gnus-summary-edit-article-done
7489 references nil summary-buffer t))
7490 (when gnus-keep-backlog
7491 (gnus-backlog-remove-article
7492 (car gnus-article-current) (cdr gnus-article-current)))
7494 (when (get-buffer gnus-original-article-buffer)
7495 (set-buffer gnus-original-article-buffer)
7496 (setq gnus-original-article nil)))
7497 (when gnus-use-cache
7498 (gnus-cache-update-article
7499 (car gnus-article-current) (cdr gnus-article-current))))))))
7501 (defvar gnus-mime-security-button-line-format "%{%([[%t:%i]%D]%)%}\n"
7502 "The following specs can be used:
7503 %t The security MIME type
7506 %D Details if button is pressed")
7508 (defvar gnus-mime-security-button-end-line-format "%{%([[End of %t]%D]%)%}\n"
7509 "The following specs can be used:
7510 %t The security MIME type
7513 %D Details if button is pressed")
7515 (defvar gnus-mime-security-button-line-format-alist
7516 '((?t gnus-tmp-type ?s)
7517 (?i gnus-tmp-info ?s)
7518 (?d gnus-tmp-details ?s)
7519 (?D gnus-tmp-pressed-details ?s)))
7521 (defvar gnus-mime-security-button-map
7522 (let ((map (make-sparse-keymap)))
7523 (define-key map gnus-mouse-2 'gnus-article-push-button)
7524 (define-key map "\r" 'gnus-article-press-button)
7527 (defvar gnus-mime-security-details-buffer nil)
7529 (defvar gnus-mime-security-button-pressed nil)
7531 (defvar gnus-mime-security-show-details-inline t
7532 "If non-nil, show details in the article buffer.")
7534 (defun gnus-mime-security-verify-or-decrypt (handle)
7535 (mm-remove-parts (cdr handle))
7536 (let ((region (mm-handle-multipart-ctl-parameter handle 'gnus-region))
7537 point (inhibit-read-only t))
7539 (goto-char (car region)))
7541 (narrow-to-region (point) (point))
7542 (with-current-buffer (mm-handle-multipart-original-buffer handle)
7543 (let* ((mm-verify-option 'known)
7544 (mm-decrypt-option 'known)
7545 (nparts (mm-possibly-verify-or-decrypt (cdr handle) handle)))
7546 (unless (eq nparts (cdr handle))
7547 (mm-destroy-parts (cdr handle))
7548 (setcdr handle nparts))))
7549 (setq point (point))
7550 (gnus-mime-display-security handle)
7551 (goto-char (point-max)))
7553 (delete-region (point) (cdr region))
7554 (set-marker (car region) nil)
7555 (set-marker (cdr region) nil))
7558 (defun gnus-mime-security-show-details (handle)
7559 (let ((details (mm-handle-multipart-ctl-parameter handle 'gnus-details)))
7561 (gnus-message 5 "No details.")
7562 (if gnus-mime-security-show-details-inline
7563 (let ((gnus-mime-security-button-pressed
7564 (not (get-text-property (point) 'gnus-mime-details)))
7565 (gnus-mime-security-button-line-format
7566 (get-text-property (point) 'gnus-line-format))
7567 (inhibit-read-only t))
7569 (while (eq (get-text-property (point) 'gnus-line-format)
7570 gnus-mime-security-button-line-format)
7574 (narrow-to-region (point) (point))
7575 (gnus-insert-mime-security-button handle))
7576 (delete-region (point)
7577 (or (text-property-not-all
7580 gnus-mime-security-button-line-format)
7583 (if (gnus-buffer-live-p gnus-mime-security-details-buffer)
7584 (with-current-buffer gnus-mime-security-details-buffer
7587 (setq gnus-mime-security-details-buffer
7588 (gnus-get-buffer-create "*MIME Security Details*")))
7589 (with-current-buffer gnus-mime-security-details-buffer
7591 (goto-char (point-min)))
7592 (pop-to-buffer gnus-mime-security-details-buffer)))))
7594 (defun gnus-mime-security-press-button (handle)
7596 (if (mm-handle-multipart-ctl-parameter handle 'gnus-info)
7597 (gnus-mime-security-show-details handle)
7598 (gnus-mime-security-verify-or-decrypt handle))))
7600 (defun gnus-insert-mime-security-button (handle &optional displayed)
7601 (let* ((protocol (mm-handle-multipart-ctl-parameter handle 'protocol))
7604 (or (nth 2 (assoc protocol mm-verify-function-alist))
7605 (nth 2 (assoc protocol mm-decrypt-function-alist))
7607 (if (equal (car handle) "multipart/signed")
7608 " Signed" " Encrypted")
7611 (or (mm-handle-multipart-ctl-parameter handle 'gnus-info)
7614 (mm-handle-multipart-ctl-parameter handle 'gnus-details))
7615 gnus-tmp-pressed-details
7617 (setq gnus-tmp-details
7618 (if gnus-tmp-details
7619 (concat "\n" gnus-tmp-details)
7621 (setq gnus-tmp-pressed-details
7622 (if gnus-mime-security-button-pressed gnus-tmp-details ""))
7627 gnus-mime-security-button-line-format
7628 gnus-mime-security-button-line-format-alist
7629 `(keymap ,gnus-mime-security-button-map
7630 gnus-callback gnus-mime-security-press-button
7631 gnus-line-format ,gnus-mime-security-button-line-format
7632 gnus-mime-details ,gnus-mime-security-button-pressed
7633 article-type annotation
7636 ;; Exclude a newline.
7639 (widget-convert-button
7642 :action 'gnus-widget-press-button
7643 :button-keymap gnus-mime-security-button-map
7645 (lambda (widget/window &optional overlay pos)
7646 ;; Needed to properly clear the message due to a bug in
7647 ;; wid-edit (XEmacs only).
7648 (when (boundp 'help-echo-owns-message)
7649 (setq help-echo-owns-message t))
7652 (aref gnus-mouse-2 0))))))
7654 (defun gnus-mime-display-security (handle)
7656 (narrow-to-region (point) (point))
7657 (unless (gnus-unbuttonized-mime-type-p (car handle))
7658 (gnus-insert-mime-security-button handle))
7659 (gnus-mime-display-mixed (cdr handle))
7662 (unless (gnus-unbuttonized-mime-type-p (car handle))
7663 (let ((gnus-mime-security-button-line-format
7664 gnus-mime-security-button-end-line-format))
7665 (gnus-insert-mime-security-button handle)))
7666 (mm-set-handle-multipart-parameter
7668 (cons (set-marker (make-marker) (point-min))
7669 (set-marker (make-marker) (point-max))))))
7675 (defun gnus-article-header-presentation-method (entity situation)
7676 (mime-insert-header entity)
7677 (article-decode-group-name))
7679 (set-alist 'mime-header-presentation-method-alist
7680 'gnus-original-article-mode
7681 #'gnus-article-header-presentation-method)
7683 (defun gnus-mime-preview-quitting-method ()
7684 (mime-preview-kill-buffer)
7685 (delete-other-windows)
7686 (gnus-article-show-summary)
7687 (gnus-summary-select-article gnus-show-all-headers t))
7689 (set-alist 'mime-preview-quitting-method-alist
7690 'gnus-original-article-mode #'gnus-mime-preview-quitting-method)
7692 (set-alist 'mime-preview-following-method-alist
7693 'gnus-original-article-mode #'gnus-following-method)
7695 (set-alist 'mime-preview-over-to-previous-method-alist
7696 'gnus-original-article-mode
7698 (if (> (point-min) 1)
7699 (gnus-article-prev-page)
7700 (gnus-article-read-summary-keys
7701 nil (gnus-character-to-event ?P)))))
7703 (set-alist 'mime-preview-over-to-next-method-alist
7704 'gnus-original-article-mode'
7706 (if (< (point-max) (buffer-size))
7707 (gnus-article-next-page)
7708 (gnus-article-read-summary-keys
7709 nil (gnus-character-to-event ?N)))))
7719 (run-hooks 'gnus-art-load-hook)
7721 ;;; gnus-art.el ends here