1 ;;; gnus-art.el --- article mode commands for 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>
8 ;; This file is part of GNU Emacs.
10 ;; GNU Emacs is free software; you can redistribute it and/or modify
11 ;; it under the terms of the GNU General Public License as published by
12 ;; the Free Software Foundation; either version 2, or (at your option)
15 ;; GNU Emacs is distributed in the hope that it will be useful,
16 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 ;; GNU General Public License for more details.
20 ;; You should have received a copy of the GNU General Public License
21 ;; along with GNU Emacs; see the file COPYING. If not, write to the
22 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
23 ;; Boston, MA 02111-1307, USA.
31 (defvar tool-bar-map))
46 (autoload 'gnus-msg-mail "gnus-msg" nil t)
47 (autoload 'gnus-button-mailto "gnus-msg")
48 (autoload 'gnus-button-reply "gnus-msg" nil t)
49 (autoload 'ansi-color-apply-on-region "ansi-color")
51 (defgroup gnus-article nil
53 :link '(custom-manual "(gnus)Article Buffer")
56 (defgroup gnus-article-treat nil
57 "Treating article parts."
58 :link '(custom-manual "(gnus)Article Hiding")
61 (defgroup gnus-article-hiding nil
62 "Hiding article parts."
63 :link '(custom-manual "(gnus)Article Hiding")
66 (defgroup gnus-article-highlight nil
67 "Article highlighting."
68 :link '(custom-manual "(gnus)Article Highlighting")
72 (defgroup gnus-article-signature nil
74 :link '(custom-manual "(gnus)Article Signature")
77 (defgroup gnus-article-headers nil
79 :link '(custom-manual "(gnus)Hiding Headers")
82 (defgroup gnus-article-washing nil
83 "Special commands on articles."
84 :link '(custom-manual "(gnus)Article Washing")
87 (defgroup gnus-article-emphasis nil
88 "Fontisizing articles."
89 :link '(custom-manual "(gnus)Article Fontisizing")
92 (defgroup gnus-article-saving nil
94 :link '(custom-manual "(gnus)Saving Articles")
97 (defgroup gnus-article-mime nil
98 "Worshiping the MIME wonder."
99 :link '(custom-manual "(gnus)Using MIME")
100 :group 'gnus-article)
102 (defgroup gnus-article-buttons nil
103 "Pushable buttons in the article buffer."
104 :link '(custom-manual "(gnus)Article Buttons")
105 :group 'gnus-article)
107 (defgroup gnus-article-various nil
108 "Other article options."
109 :link '(custom-manual "(gnus)Misc Article")
110 :group 'gnus-article)
112 (defcustom gnus-ignored-headers
115 (concat "^" header ":"))
116 '("Path" "Expires" "Date-Received" "References" "Xref" "Lines"
117 "Relay-Version" "Message-ID" "Approved" "Sender" "Received"
118 "X-UIDL" "MIME-Version" "Return-Path" "In-Reply-To"
119 "Content-Type" "Content-Transfer-Encoding" "X-WebTV-Signature"
120 "X-MimeOLE" "X-MSMail-Priority" "X-Priority" "X-Loop"
121 "X-Authentication-Warning" "X-MIME-Autoconverted" "X-Face"
122 "X-Attribution" "X-Originating-IP" "Delivered-To"
123 "NNTP-[-A-Za-z]+" "Distribution" "X-no-archive" "X-Trace"
124 "X-Complaints-To" "X-NNTP-Posting-Host" "X-Orig.*"
125 "Abuse-Reports-To" "Cache-Post-Path" "X-Article-Creation-Date"
126 "X-Poster" "X-Mail2News-Path" "X-Server-Date" "X-Cache"
127 "Originator" "X-Problems-To" "X-Auth-User" "X-Post-Time"
128 "X-Admin" "X-UID" "Resent-[-A-Za-z]+" "X-Mailing-List"
129 "Precedence" "Original-[-A-Za-z]+" "X-filename" "X-Orcpt"
130 "Old-Received" "X-Pgp" "X-Auth" "X-From-Line"
131 "X-Gnus-Article-Number" "X-Majordomo" "X-Url" "X-Sender"
132 "MBOX-Line" "Priority" "X400-[-A-Za-z]+"
133 "Status" "X-Gnus-Mail-Source" "Cancel-Lock"
134 "X-FTN" "X-EXP32-SerialNo" "Encoding" "Importance"
135 "Autoforwarded" "Original-Encoded-Information-Types" "X-Ya-Pop3"
136 "X-Face-Version" "X-Vms-To" "X-ML-NAME" "X-ML-COUNT"
137 "Mailing-List" "X-finfo" "X-md5sum" "X-md5sum-Origin"
138 "X-Sun-Charset" "X-Accept-Language" "X-Envelope-Sender"
139 "List-[A-Za-z]+" "X-Listprocessor-Version"
140 "X-Received" "X-Distribute" "X-Sequence" "X-Juno-Line-Breaks"
141 "X-Notes-Item" "X-MS-TNEF-Correlator" "x-uunet-gateway"
142 "X-Received" "Content-length" "X-precedence"
143 "X-Authenticated-User" "X-Comment" "X-Report" "X-Abuse-Info"
144 "X-HTTP-Proxy" "X-Mydeja-Info" "X-Copyright" "X-No-Markup"
145 "X-Abuse-Info" "X-From_" "X-Accept-Language" "Errors-To"
146 "X-BeenThere" "X-Mailman-Version" "List-Help" "List-Post"
147 "List-Subscribe" "List-Id" "List-Unsubscribe" "List-Archive"
148 "X-Content-length" "X-Posting-Agent" "Original-Received"
149 "X-Request-PGP" "X-Fingerprint" "X-WRIEnvto" "X-WRIEnvfrom"
150 "X-Virus-Scanned" "X-Delivery-Agent" "Posted-Date" "X-Gateway"
151 "X-Local-Origin" "X-Local-Destination" "X-UserInfo1"
152 "X-Received-Date" "X-Hashcash" "Face" "X-DMCA-Notifications"
153 "X-Abuse-and-DMCA-Info" "X-Postfilter" "X-Gpg-.*" "X-Disclaimer"))
154 "*All headers that start with this regexp will be hidden.
155 This variable can also be a list of regexps of headers to be ignored.
156 If `gnus-visible-headers' is non-nil, this variable will be ignored."
157 :type '(choice :custom-show nil
160 :group 'gnus-article-hiding)
162 (defcustom gnus-visible-headers
163 "^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:"
164 "*All headers that do not match this regexp will be hidden.
165 This variable can also be a list of regexp of headers to remain visible.
166 If this variable is non-nil, `gnus-ignored-headers' will be ignored."
167 :type '(repeat :value-to-internal (lambda (widget value)
168 (custom-split-regexp-maybe value))
169 :match (lambda (widget value)
171 (widget-editable-list-match widget value)))
173 :group 'gnus-article-hiding)
175 (defcustom gnus-sorted-header-list
176 '("^From:" "^Subject:" "^Summary:" "^Keywords:" "^Newsgroups:"
177 "^Followup-To:" "^To:" "^Cc:" "^Date:" "^Organization:")
178 "*This variable is a list of regular expressions.
179 If it is non-nil, headers that match the regular expressions will
180 be placed first in the article buffer in the sequence specified by
182 :type '(repeat regexp)
183 :group 'gnus-article-hiding)
185 (defcustom gnus-boring-article-headers '(empty followup-to reply-to)
186 "Headers that are only to be displayed if they have interesting data.
187 Possible values in this list are:
189 'empty Headers with no content.
190 'newsgroups Newsgroup identical to Gnus group.
191 'to-address To identical to To-address.
192 'to-list To identical to To-list.
193 'cc-list CC identical to To-list.
194 'followup-to Followup-to identical to Newsgroups.
195 'reply-to Reply-to identical to From.
196 'date Date less than four days old.
197 'long-to To and/or Cc longer than 1024 characters.
198 'many-to Multiple To and/or Cc."
199 :type '(set (const :tag "Headers with no content." empty)
200 (const :tag "Newsgroups identical to Gnus group." newsgroups)
201 (const :tag "To identical to To-address." to-address)
202 (const :tag "To identical to To-list." to-list)
203 (const :tag "CC identical to To-list." cc-list)
204 (const :tag "Followup-to identical to Newsgroups." followup-to)
205 (const :tag "Reply-to identical to From." reply-to)
206 (const :tag "Date less than four days old." date)
207 (const :tag "To and/or Cc longer than 1024 characters." long-to)
208 (const :tag "Multiple To and/or Cc headers." many-to))
209 :group 'gnus-article-hiding)
211 (defcustom gnus-article-skip-boring nil
212 "Skip over text that is not worth reading.
213 By default, if you set this t, then Gnus will display citations and
214 signatures, but will never scroll down to show you a page consisting
215 only of boring text. Boring text is controlled by
216 `gnus-article-boring-faces'."
219 :group 'gnus-article-hiding)
221 (defcustom gnus-signature-separator '("^-- $" "^-- *$")
222 "Regexp matching signature separator.
223 This can also be a list of regexps. In that case, it will be checked
224 from head to tail looking for a separator. Searches will be done from
225 the end of the buffer."
226 :type '(repeat string)
227 :group 'gnus-article-signature)
229 (defcustom gnus-signature-limit nil
230 "Provide a limit to what is considered a signature.
231 If it is a number, no signature may not be longer (in characters) than
232 that number. If it is a floating point number, no signature may be
233 longer (in lines) than that number. If it is a function, the function
234 will be called without any parameters, and if it returns nil, there is
235 no signature in the buffer. If it is a string, it will be used as a
236 regexp. If it matches, the text in question is not a signature.
238 This can also be a list of the above values."
239 :type '(choice (integer :value 200)
241 (function :value fun)
242 (regexp :value ".*"))
243 :group 'gnus-article-signature)
245 (defcustom gnus-hidden-properties '(invisible t intangible t)
246 "Property list to use for hiding text."
248 :group 'gnus-article-hiding)
250 ;; Fixme: This isn't the right thing for mixed graphical and non-graphical
251 ;; frames in a session.
252 (defcustom gnus-article-x-face-command
253 (if (featurep 'xemacs)
254 (if (or (gnus-image-type-available-p 'xface)
255 (gnus-image-type-available-p 'pbm))
256 'gnus-display-x-face-in-from
257 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | ee -")
258 (if (gnus-image-type-available-p 'pbm)
259 'gnus-display-x-face-in-from
260 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | \
262 "*String or function to be executed to display an X-Face header.
263 If it is a string, the command will be executed in a sub-shell
264 asynchronously. The compressed face will be piped to this command."
265 :type `(choice string
266 (function-item gnus-display-x-face-in-from)
270 :group 'gnus-article-washing)
272 (defcustom gnus-article-x-face-too-ugly nil
273 "Regexp matching posters whose face shouldn't be shown automatically."
274 :type '(choice regexp (const nil))
275 :group 'gnus-article-washing)
277 (defcustom gnus-article-banner-alist nil
278 "Banner alist for stripping.
280 ((egroups . \"^[ \\t\\n]*-------------------+\\\\( \\\\(e\\\\|Yahoo! \\\\)Groups Sponsor -+\\\\)?....\\n\\\\(.+\\n\\\\)+\"))"
282 :type '(repeat (cons symbol regexp))
283 :group 'gnus-article-washing)
285 (gnus-define-group-parameter
288 "Alist of regexps (to match group names) and banner."
289 :variable-group gnus-article-washing
291 '(choice :tag "Banner"
293 (const :tag "Remove signature" signature)
294 (symbol :tag "Item in `gnus-article-banner-alist'" none)
296 (const :tag "None" nil))
298 "If non-nil, specify how to remove `banners' from articles.
300 Symbol `signature' means to remove signatures delimited by
301 `gnus-signature-separator'. Any other symbol is used to look up a
302 regular expression to match the banner in `gnus-article-banner-alist'.
303 A string is used as a regular expression to match the banner
306 (defcustom gnus-article-address-banner-alist nil
307 "Alist of mail addresses and banners.
308 Each element has the form (ADDRESS . BANNER), where ADDRESS is a regexp
309 to match a mail address in the From: header, BANNER is one of a symbol
310 `signature', an item in `gnus-article-banner-alist', a regexp and nil.
311 If ADDRESS matches author's mail address, it will remove things like
312 advertisements. For example:
314 \((\"@yoo-hoo\\\\.co\\\\.jp\\\\'\" . \"\\n_+\\nDo You Yoo-hoo!\\\\?\\n.*\\n.*\\n\"))
318 (regexp :tag "Address")
319 (choice :tag "Banner" :value nil
320 (const :tag "Remove signature" signature)
321 (symbol :tag "Item in `gnus-article-banner-alist'" none)
323 (const :tag "None" nil))))
324 :group 'gnus-article-washing)
326 (defcustom gnus-emphasis-alist
328 "\\(\\s-\\|^\\|\\=\\|[-\"]\\|\\s(\\)\\(%s\\(\\w+\\(\\s-+\\w+\\)*[.,]?\\)%s\\)\\(\\([-,.;:!?\"]\\|\\s)\\)+\\s-\\|[?!.]\\s-\\|\\s)\\|\\s-\\)")
333 ("_/" "/_" underline-italic)
334 ("_\\*" "\\*_" underline-bold)
335 ("\\*/" "/\\*" bold-italic)
336 ("_\\*/" "/\\*_" underline-bold-italic))))
340 (format format (car spec) (cadr spec))
341 2 3 (intern (format "gnus-emphasis-%s" (nth 2 spec)))))
343 ("\\(\\s-\\|^\\)\\(_\\(\\(\\w\\|_[^_]\\)+\\)_\\)\\(\\s-\\|[?!.,;]\\)"
344 2 3 gnus-emphasis-underline)))
345 "*Alist that says how to fontify certain phrases.
346 Each item looks like this:
348 (\"_\\\\(\\\\w+\\\\)_\" 0 1 'underline)
350 The first element is a regular expression to be matched. The second
351 is a number that says what regular expression grouping used to find
352 the entire emphasized word. The third is a number that says what
353 regexp grouping should be displayed and highlighted. The fourth
354 is the face used for highlighting."
355 :type '(repeat (list :value ("" 0 0 default)
357 (integer :tag "Match group")
358 (integer :tag "Emphasize group")
360 :group 'gnus-article-emphasis)
362 (defcustom gnus-emphasize-whitespace-regexp "^[ \t]+\\|[ \t]*\n"
363 "A regexp to describe whitespace which should not be emphasized.
364 Typical values are \"^[ \\t]+\\\\|[ \\t]*\\n\" and \"[ \\t]+\\\\|[ \\t]*\\n\".
365 The former avoids underlining of leading and trailing whitespace,
366 and the latter avoids underlining any whitespace at all."
368 :group 'gnus-article-emphasis
371 (defface gnus-emphasis-bold '((t (:bold t)))
372 "Face used for displaying strong emphasized text (*word*)."
373 :group 'gnus-article-emphasis)
375 (defface gnus-emphasis-italic '((t (:italic t)))
376 "Face used for displaying italic emphasized text (/word/)."
377 :group 'gnus-article-emphasis)
379 (defface gnus-emphasis-underline '((t (:underline t)))
380 "Face used for displaying underlined emphasized text (_word_)."
381 :group 'gnus-article-emphasis)
383 (defface gnus-emphasis-underline-bold '((t (:bold t :underline t)))
384 "Face used for displaying underlined bold emphasized text (_*word*_)."
385 :group 'gnus-article-emphasis)
387 (defface gnus-emphasis-underline-italic '((t (:italic t :underline t)))
388 "Face used for displaying underlined italic emphasized text (_/word/_)."
389 :group 'gnus-article-emphasis)
391 (defface gnus-emphasis-bold-italic '((t (:bold t :italic t)))
392 "Face used for displaying bold italic emphasized text (/*word*/)."
393 :group 'gnus-article-emphasis)
395 (defface gnus-emphasis-underline-bold-italic
396 '((t (:bold t :italic t :underline t)))
397 "Face used for displaying underlined bold italic emphasized text.
398 Example: (_/*word*/_)."
399 :group 'gnus-article-emphasis)
401 (defface gnus-emphasis-strikethru (if (featurep 'xemacs)
402 '((t (:strikethru t)))
403 '((t (:strike-through t))))
404 "Face used for displaying strike-through text (-word-)."
405 :group 'gnus-article-emphasis)
407 (defface gnus-emphasis-highlight-words
408 '((t (:background "black" :foreground "yellow")))
409 "Face used for displaying highlighted words."
410 :group 'gnus-article-emphasis)
412 (defcustom gnus-article-time-format "%a, %d %b %Y %T %Z"
413 "Format for display of Date headers in article bodies.
414 See `format-time-string' for the possible values.
416 The variable can also be function, which should return a complete Date
417 header. The function is called with one argument, the time, which can
418 be fed to `format-time-string'."
419 :type '(choice string function)
420 :link '(custom-manual "(gnus)Article Date")
421 :group 'gnus-article-washing)
424 (autoload 'mail-extract-address-components "mail-extr"))
426 (defcustom gnus-save-all-headers t
427 "*If non-nil, don't remove any headers before saving."
428 :group 'gnus-article-saving
431 (defcustom gnus-prompt-before-saving 'always
432 "*This variable says how much prompting is to be done when saving articles.
433 If it is nil, no prompting will be done, and the articles will be
434 saved to the default files. If this variable is `always', each and
435 every article that is saved will be preceded by a prompt, even when
436 saving large batches of articles. If this variable is neither nil not
437 `always', there the user will be prompted once for a file name for
438 each invocation of the saving commands."
439 :group 'gnus-article-saving
440 :type '(choice (item always)
441 (item :tag "never" nil)
442 (sexp :tag "once" :format "%t\n" :value t)))
444 (defcustom gnus-saved-headers gnus-visible-headers
445 "Headers to keep if `gnus-save-all-headers' is nil.
446 If `gnus-save-all-headers' is non-nil, this variable will be ignored.
447 If that variable is nil, however, all headers that match this regexp
448 will be kept while the rest will be deleted before saving."
449 :group 'gnus-article-saving
452 (defcustom gnus-default-article-saver 'gnus-summary-save-in-rmail
453 "A function to save articles in your favourite format.
454 The function must be interactively callable (in other words, it must
455 be an Emacs command).
457 Gnus provides the following functions:
459 * gnus-summary-save-in-rmail (Rmail format)
460 * gnus-summary-save-in-mail (Unix mail format)
461 * gnus-summary-save-in-folder (MH folder)
462 * gnus-summary-save-in-file (article format)
463 * gnus-summary-save-body-in-file (article body)
464 * gnus-summary-save-in-vm (use VM's folder format)
465 * gnus-summary-write-to-file (article format -- overwrite)."
466 :group 'gnus-article-saving
467 :type '(radio (function-item gnus-summary-save-in-rmail)
468 (function-item gnus-summary-save-in-mail)
469 (function-item gnus-summary-save-in-folder)
470 (function-item gnus-summary-save-in-file)
471 (function-item gnus-summary-save-body-in-file)
472 (function-item gnus-summary-save-in-vm)
473 (function-item gnus-summary-write-to-file)))
475 (defcustom gnus-rmail-save-name 'gnus-plain-save-name
476 "A function generating a file name to save articles in Rmail format.
477 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
478 :group 'gnus-article-saving
481 (defcustom gnus-mail-save-name 'gnus-plain-save-name
482 "A function generating a file name to save articles in Unix mail format.
483 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
484 :group 'gnus-article-saving
487 (defcustom gnus-folder-save-name 'gnus-folder-save-name
488 "A function generating a file name to save articles in MH folder.
489 The function is called with NEWSGROUP, HEADERS, and optional LAST-FOLDER."
490 :group 'gnus-article-saving
493 (defcustom gnus-file-save-name 'gnus-numeric-save-name
494 "A function generating a file name to save articles in article format.
495 The function is called with NEWSGROUP, HEADERS, and optional
497 :group 'gnus-article-saving
500 (defcustom gnus-split-methods
501 '((gnus-article-archive-name)
502 (gnus-article-nndoc-name))
503 "*Variable used to suggest where articles are to be saved.
504 For instance, if you would like to save articles related to Gnus in
505 the file \"gnus-stuff\", and articles related to VM in \"vm-stuff\",
506 you could set this variable to something like:
508 '((\"^Subject:.*gnus\\|^Newsgroups:.*gnus\" \"gnus-stuff\")
509 (\"^Subject:.*vm\\|^Xref:.*vm\" \"vm-stuff\"))
511 This variable is an alist where the where the key is the match and the
512 value is a list of possible files to save in if the match is non-nil.
514 If the match is a string, it is used as a regexp match on the
515 article. If the match is a symbol, that symbol will be funcalled
516 from the buffer of the article to be saved with the newsgroup as the
517 parameter. If it is a list, it will be evaled in the same buffer.
519 If this form or function returns a string, this string will be used as
520 a possible file name; and if it returns a non-nil list, that list will
521 be used as possible file names."
522 :group 'gnus-article-saving
523 :type '(repeat (choice (list :value (fun) function)
524 (cons :value ("" "") regexp (repeat string))
527 (defcustom gnus-page-delimiter "^\^L"
528 "*Regexp describing what to use as article page delimiters.
529 The default value is \"^\^L\", which is a form linefeed at the
530 beginning of a line."
532 :group 'gnus-article-various)
534 (defcustom gnus-article-mode-line-format "Gnus: %g [%w] %S%m"
535 "*The format specification for the article mode line.
536 See `gnus-summary-mode-line-format' for a closer description.
538 The following additional specs are available:
540 %w The article washing status.
541 %m The number of MIME parts in the article."
543 :group 'gnus-article-various)
545 (defcustom gnus-article-mode-hook nil
546 "*A hook for Gnus article mode."
548 :group 'gnus-article-various)
550 (when (featurep 'xemacs)
551 ;; Extracted from gnus-xmas-define in order to preserve user settings
552 (when (fboundp 'turn-off-scroll-in-place)
553 (add-hook 'gnus-article-mode-hook 'turn-off-scroll-in-place))
554 ;; Extracted from gnus-xmas-redefine in order to preserve user settings
555 (add-hook 'gnus-article-mode-hook 'gnus-xmas-article-menu-add))
557 (defcustom gnus-article-menu-hook nil
558 "*Hook run after the creation of the article mode menu."
560 :group 'gnus-article-various)
562 (defcustom gnus-article-prepare-hook nil
563 "*A hook called after an article has been prepared in the article buffer."
565 :group 'gnus-article-various)
567 (make-obsolete-variable 'gnus-article-hide-pgp-hook
568 "This variable is obsolete in Gnus 5.10.")
570 (defcustom gnus-article-button-face 'bold
571 "Face used for highlighting buttons in the article buffer.
573 An article button is a piece of text that you can activate by pressing
574 `RET' or `mouse-2' above it."
576 :group 'gnus-article-buttons)
578 (defcustom gnus-article-mouse-face 'highlight
579 "Face used for mouse highlighting in the article buffer.
581 Article buttons will be displayed in this face when the cursor is
584 :group 'gnus-article-buttons)
586 (defcustom gnus-signature-face 'gnus-signature-face
587 "Face used for highlighting a signature in the article buffer.
588 Obsolete; use the face `gnus-signature-face' for customizations instead."
590 :group 'gnus-article-highlight
591 :group 'gnus-article-signature)
593 (defface gnus-signature-face
596 "Face used for highlighting a signature in the article buffer."
597 :group 'gnus-article-highlight
598 :group 'gnus-article-signature)
600 (defface gnus-header-from-face
603 (:foreground "spring green"))
606 (:foreground "red3"))
609 "Face used for displaying from headers."
610 :group 'gnus-article-headers
611 :group 'gnus-article-highlight)
613 (defface gnus-header-subject-face
616 (:foreground "SeaGreen3"))
619 (:foreground "red4"))
621 (:bold t :italic t)))
622 "Face used for displaying subject headers."
623 :group 'gnus-article-headers
624 :group 'gnus-article-highlight)
626 (defface gnus-header-newsgroups-face
629 (:foreground "yellow" :italic t))
632 (:foreground "MidnightBlue" :italic t))
635 "Face used for displaying newsgroups headers.
636 In the default setup this face is only used for crossposted
638 :group 'gnus-article-headers
639 :group 'gnus-article-highlight)
641 (defface gnus-header-name-face
644 (:foreground "SeaGreen"))
647 (:foreground "maroon"))
650 "Face used for displaying header names."
651 :group 'gnus-article-headers
652 :group 'gnus-article-highlight)
654 (defface gnus-header-content-face
657 (:foreground "forest green" :italic t))
660 (:foreground "indianred4" :italic t))
662 (:italic t))) "Face used for displaying header content."
663 :group 'gnus-article-headers
664 :group 'gnus-article-highlight)
666 (defcustom gnus-header-face-alist
667 '(("From" nil gnus-header-from-face)
668 ("Subject" nil gnus-header-subject-face)
669 ("Newsgroups:.*," nil gnus-header-newsgroups-face)
670 ("" gnus-header-name-face gnus-header-content-face))
671 "*Controls highlighting of article headers.
673 An alist of the form (HEADER NAME CONTENT).
675 HEADER is a regular expression which should match the name of a
676 header and NAME and CONTENT are either face names or nil.
678 The name of each header field will be displayed using the face
679 specified by the first element in the list where HEADER matches
680 the header name and NAME is non-nil. Similarly, the content will
681 be displayed by the first non-nil matching CONTENT face."
682 :group 'gnus-article-headers
683 :group 'gnus-article-highlight
684 :type '(repeat (list (regexp :tag "Header")
686 (item :tag "skip" nil)
687 (face :value default))
688 (choice :tag "Content"
689 (item :tag "skip" nil)
690 (face :value default)))))
692 (defcustom gnus-article-decode-hook
693 '(article-decode-charset article-decode-encoded-words
694 article-decode-group-name article-decode-idna-rhs)
695 "*Hook run to decode charsets in articles."
696 :group 'gnus-article-headers
699 (defcustom gnus-display-mime-function 'gnus-display-mime
700 "Function to display MIME articles."
701 :group 'gnus-article-mime
704 (defvar gnus-decode-header-function 'mail-decode-encoded-word-region
705 "Function used to decode headers.")
707 (defvar gnus-article-dumbquotes-map
727 "Table for MS-to-Latin1 translation.")
729 (defcustom gnus-ignored-mime-types nil
730 "List of MIME types that should be ignored by Gnus."
732 :group 'gnus-article-mime
733 :type '(repeat regexp))
735 (defcustom gnus-unbuttonized-mime-types '(".*/.*")
736 "List of MIME types that should not be given buttons when rendered inline.
737 See also `gnus-buttonized-mime-types' which may override this variable.
738 This variable is only used when `gnus-inhibit-mime-unbuttonizing' is nil."
740 :group 'gnus-article-mime
741 :type '(repeat regexp))
743 (defcustom gnus-buttonized-mime-types nil
744 "List of MIME types that should be given buttons when rendered inline.
745 If set, this variable overrides `gnus-unbuttonized-mime-types'.
746 To see e.g. security buttons you could set this to
747 `(\"multipart/signed\")'.
748 This variable is only used when `gnus-inhibit-mime-unbuttonizing' is nil."
750 :group 'gnus-article-mime
751 :type '(repeat regexp))
753 (defcustom gnus-inhibit-mime-unbuttonizing nil
754 "If non-nil, all MIME parts get buttons.
755 When nil (the default value), then some MIME parts do not get buttons,
756 as described by the variables `gnus-buttonized-mime-types' and
757 `gnus-unbuttonized-mime-types'."
759 :group 'gnus-article-mime
762 (defcustom gnus-body-boundary-delimiter "_"
763 "String used to delimit header and body.
764 This variable is used by `gnus-article-treat-body-boundary' which can
765 be controlled by `gnus-treat-body-boundary'."
767 :group 'gnus-article-various
768 :type '(choice (item :tag "None" :value nil)
771 (defcustom gnus-picon-databases '("/usr/lib/picon" "/usr/local/faces"
773 "Defines the location of the faces database.
774 For information on obtaining this database of pretty pictures, please
775 see http://www.cs.indiana.edu/picons/ftp/index.html"
777 :type '(repeat directory)
778 :link '(url-link :tag "download"
779 "http://www.cs.indiana.edu/picons/ftp/index.html")
780 :link '(custom-manual "(gnus)Picons")
783 (defun gnus-picons-installed-p ()
784 "Say whether picons are installed on your machine."
785 (let ((installed nil))
786 (dolist (database gnus-picon-databases)
787 (when (file-exists-p database)
791 (defcustom gnus-article-mime-part-function nil
792 "Function called with a MIME handle as the argument.
793 This is meant for people who want to do something automatic based
794 on parts -- for instance, adding Vcard info to a database."
795 :group 'gnus-article-mime
798 (defcustom gnus-mime-multipart-functions nil
799 "An alist of MIME types to functions to display them."
801 :group 'gnus-article-mime
802 :type '(repeat (cons :format "%v" (string :tag "MIME type") function)))
804 (defcustom gnus-article-date-lapsed-new-header nil
805 "Whether the X-Sent and Date headers can coexist.
806 When using `gnus-treat-date-lapsed', the \"X-Sent:\" header will
807 either replace the old \"Date:\" header (if this variable is nil), or
808 be added below it (otherwise)."
810 :group 'gnus-article-headers
813 (defcustom gnus-article-mime-match-handle-function 'undisplayed-alternative
814 "Function called with a MIME handle as the argument.
815 This is meant for people who want to view first matched part.
816 For `undisplayed-alternative' (default), the first undisplayed
817 part or alternative part is used. For `undisplayed', the first
818 undisplayed part is used. For a function, the first part which
819 the function return t is used. For nil, the first part is
822 :group 'gnus-article-mime
824 (item :tag "first" :value nil)
825 (item :tag "undisplayed" :value undisplayed)
826 (item :tag "undisplayed or alternative"
827 :value undisplayed-alternative)
830 (defcustom gnus-mime-action-alist
831 '(("save to file" . gnus-mime-save-part)
832 ("save and strip" . gnus-mime-save-part-and-strip)
833 ("delete part" . gnus-mime-delete-part)
834 ("display as text" . gnus-mime-inline-part)
835 ("view the part" . gnus-mime-view-part)
836 ("pipe to command" . gnus-mime-pipe-part)
837 ("toggle display" . gnus-article-press-button)
838 ("toggle display" . gnus-article-view-part-as-charset)
839 ("view as type" . gnus-mime-view-part-as-type)
840 ("view internally" . gnus-mime-view-part-internally)
841 ("view externally" . gnus-mime-view-part-externally))
842 "An alist of actions that run on the MIME attachment."
843 :group 'gnus-article-mime
844 :type '(repeat (cons (string :tag "name")
848 ;;; The treatment variables
851 (defvar gnus-part-display-hook nil
852 "Hook called on parts that are to receive treatment.")
854 (defvar gnus-article-treat-custom
855 '(choice (const :tag "Off" nil)
857 (const :tag "Header" head)
858 (const :tag "Last" last)
859 (integer :tag "Less")
860 (repeat :tag "Groups" regexp)
861 (sexp :tag "Predicate")))
863 (defvar gnus-article-treat-head-custom
864 '(choice (const :tag "Off" nil)
865 (const :tag "Header" head)))
867 (defvar gnus-article-treat-types '("text/plain")
870 (defvar gnus-inhibit-treatment nil
871 "Whether to inhibit treatment.")
873 (defcustom gnus-treat-highlight-signature '(or t (typep "text/x-vcard"))
874 "Highlight the signature.
875 Valid values are nil, t, `head', `last', an integer or a predicate.
876 See Info node `(gnus)Customizing Articles'."
877 :group 'gnus-article-treat
878 :link '(custom-manual "(gnus)Customizing Articles")
879 :type gnus-article-treat-custom)
880 (put 'gnus-treat-highlight-signature 'highlight t)
882 (defcustom gnus-treat-buttonize 100000
884 Valid values are nil, t, `head', `last', an integer or a predicate.
885 See Info node `(gnus)Customizing Articles'."
886 :group 'gnus-article-treat
887 :link '(custom-manual "(gnus)Customizing Articles")
888 :type gnus-article-treat-custom)
889 (put 'gnus-treat-buttonize 'highlight t)
891 (defcustom gnus-treat-buttonize-head 'head
892 "Add buttons to the head.
893 Valid values are nil, t, `head', `last', an integer or a predicate.
894 See Info node `(gnus)Customizing Articles' for details."
895 :group 'gnus-article-treat
896 :link '(custom-manual "(gnus)Customizing Articles")
897 :type gnus-article-treat-head-custom)
898 (put 'gnus-treat-buttonize-head 'highlight t)
900 (defcustom gnus-treat-emphasize
901 (and (or window-system
905 Valid values are nil, t, `head', `last', an integer or a predicate.
906 See Info node `(gnus)Customizing Articles' for details."
907 :group 'gnus-article-treat
908 :link '(custom-manual "(gnus)Customizing Articles")
909 :type gnus-article-treat-custom)
910 (put 'gnus-treat-emphasize 'highlight t)
912 (defcustom gnus-treat-strip-cr nil
913 "Remove carriage returns.
914 Valid values are nil, t, `head', `last', an integer or a predicate.
915 See Info node `(gnus)Customizing Articles' for details."
917 :group 'gnus-article-treat
918 :link '(custom-manual "(gnus)Customizing Articles")
919 :type gnus-article-treat-custom)
921 (defcustom gnus-treat-unsplit-urls nil
922 "Remove newlines from within URLs.
923 Valid values are nil, t, `head', `last', an integer or a predicate.
924 See Info node `(gnus)Customizing Articles' for details."
925 :group 'gnus-article-treat
926 :link '(custom-manual "(gnus)Customizing Articles")
927 :type gnus-article-treat-custom)
929 (defcustom gnus-treat-leading-whitespace nil
930 "Remove leading whitespace in headers.
931 Valid values are nil, t, `head', `last', an integer or a predicate.
932 See Info node `(gnus)Customizing Articles' for details."
934 :group 'gnus-article-treat
935 :link '(custom-manual "(gnus)Customizing Articles")
936 :type gnus-article-treat-custom)
938 (defcustom gnus-treat-hide-headers 'head
940 Valid values are nil, t, `head', `last', an integer or a predicate.
941 See Info node `(gnus)Customizing Articles' for details."
942 :group 'gnus-article-treat
943 :link '(custom-manual "(gnus)Customizing Articles")
944 :type gnus-article-treat-head-custom)
946 (defcustom gnus-treat-hide-boring-headers nil
947 "Hide boring headers.
948 Valid values are nil, t, `head', `last', an integer or a predicate.
949 See Info node `(gnus)Customizing Articles' for details."
950 :group 'gnus-article-treat
951 :link '(custom-manual "(gnus)Customizing Articles")
952 :type gnus-article-treat-head-custom)
954 (defcustom gnus-treat-hide-signature nil
956 Valid values are nil, t, `head', `last', an integer or a predicate.
957 See Info node `(gnus)Customizing Articles' for details."
958 :group 'gnus-article-treat
959 :link '(custom-manual "(gnus)Customizing Articles")
960 :type gnus-article-treat-custom)
962 (defcustom gnus-treat-fill-article nil
964 Valid values are nil, t, `head', `last', an integer or a predicate.
965 See Info node `(gnus)Customizing Articles' for details."
966 :group 'gnus-article-treat
967 :link '(custom-manual "(gnus)Customizing Articles")
968 :type gnus-article-treat-custom)
970 (defcustom gnus-treat-hide-citation nil
972 Valid values are nil, t, `head', `last', an integer or a predicate.
973 See Info node `(gnus)Customizing Articles' for details."
974 :group 'gnus-article-treat
975 :link '(custom-manual "(gnus)Customizing Articles")
976 :type gnus-article-treat-custom)
978 (defcustom gnus-treat-hide-citation-maybe nil
980 Valid values are nil, t, `head', `last', an integer or a predicate.
981 See Info node `(gnus)Customizing Articles' for details."
982 :group 'gnus-article-treat
983 :link '(custom-manual "(gnus)Customizing Articles")
984 :type gnus-article-treat-custom)
986 (defcustom gnus-treat-strip-list-identifiers 'head
987 "Strip list identifiers from `gnus-list-identifiers`.
988 Valid values are nil, t, `head', `last', an integer or a predicate.
989 See Info node `(gnus)Customizing Articles' for details."
991 :group 'gnus-article-treat
992 :link '(custom-manual "(gnus)Customizing Articles")
993 :type gnus-article-treat-custom)
995 (make-obsolete-variable 'gnus-treat-strip-pgp
996 "This option is obsolete in Gnus 5.10.")
998 (defcustom gnus-treat-strip-pem nil
999 "Strip PEM signatures.
1000 Valid values are nil, t, `head', `last', an integer or a predicate.
1001 See Info node `(gnus)Customizing Articles' for details."
1002 :group 'gnus-article-treat
1003 :link '(custom-manual "(gnus)Customizing Articles")
1004 :type gnus-article-treat-custom)
1006 (defcustom gnus-treat-strip-banner t
1007 "Strip banners from articles.
1008 The banner to be stripped is specified in the `banner' group parameter.
1009 Valid values are nil, t, `head', `last', an integer or a predicate.
1010 See Info node `(gnus)Customizing Articles' for details."
1011 :group 'gnus-article-treat
1012 :link '(custom-manual "(gnus)Customizing Articles")
1013 :type gnus-article-treat-custom)
1015 (defcustom gnus-treat-highlight-headers 'head
1016 "Highlight the headers.
1017 Valid values are nil, t, `head', `last', an integer or a predicate.
1018 See Info node `(gnus)Customizing Articles' for details."
1019 :group 'gnus-article-treat
1020 :link '(custom-manual "(gnus)Customizing Articles")
1021 :type gnus-article-treat-head-custom)
1022 (put 'gnus-treat-highlight-headers 'highlight t)
1024 (defcustom gnus-treat-highlight-citation t
1025 "Highlight cited text.
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)
1031 (put 'gnus-treat-highlight-citation 'highlight t)
1033 (defcustom gnus-treat-date-ut nil
1034 "Display the Date in UT (GMT).
1035 Valid values are nil, t, `head', `last', an integer or a predicate.
1036 See Info node `(gnus)Customizing Articles' for details."
1037 :group 'gnus-article-treat
1038 :link '(custom-manual "(gnus)Customizing Articles")
1039 :type gnus-article-treat-head-custom)
1041 (defcustom gnus-treat-date-local nil
1042 "Display the Date in the local timezone.
1043 Valid values are nil, t, `head', `last', an integer or a predicate.
1044 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-head-custom)
1049 (defcustom gnus-treat-date-english nil
1050 "Display the Date in a format that can be read aloud in English.
1051 Valid values are nil, t, `head', `last', an integer or a predicate.
1052 See Info node `(gnus)Customizing Articles' for details."
1054 :group 'gnus-article-treat
1055 :link '(custom-manual "(gnus)Customizing Articles")
1056 :type gnus-article-treat-head-custom)
1058 (defcustom gnus-treat-date-lapsed nil
1059 "Display the Date header in a way that says how much time has elapsed.
1060 Valid values are nil, t, `head', `last', an integer or a predicate.
1061 See Info node `(gnus)Customizing Articles' for details."
1062 :group 'gnus-article-treat
1063 :link '(custom-manual "(gnus)Customizing Articles")
1064 :type gnus-article-treat-head-custom)
1066 (defcustom gnus-treat-date-original nil
1067 "Display the date in the original timezone.
1068 Valid values are nil, t, `head', `last', an integer or a predicate.
1069 See Info node `(gnus)Customizing Articles' for details."
1070 :group 'gnus-article-treat
1071 :link '(custom-manual "(gnus)Customizing Articles")
1072 :type gnus-article-treat-head-custom)
1074 (defcustom gnus-treat-date-iso8601 nil
1075 "Display the date in the ISO8601 format.
1076 Valid values are nil, t, `head', `last', an integer or a predicate.
1077 See Info node `(gnus)Customizing Articles' for details."
1079 :group 'gnus-article-treat
1080 :link '(custom-manual "(gnus)Customizing Articles")
1081 :type gnus-article-treat-head-custom)
1083 (defcustom gnus-treat-date-user-defined nil
1084 "Display the date in a user-defined format.
1085 The format is defined by the `gnus-article-time-format' variable.
1086 Valid values are nil, t, `head', `last', an integer or a predicate.
1087 See Info node `(gnus)Customizing Articles' for details."
1088 :group 'gnus-article-treat
1089 :link '(custom-manual "(gnus)Customizing Articles")
1090 :type gnus-article-treat-head-custom)
1092 (defcustom gnus-treat-strip-headers-in-body t
1093 "Strip the X-No-Archive header line from the beginning of the body.
1094 Valid values are nil, t, `head', `last', an integer or a predicate.
1095 See Info node `(gnus)Customizing Articles' for details."
1097 :group 'gnus-article-treat
1098 :link '(custom-manual "(gnus)Customizing Articles")
1099 :type gnus-article-treat-custom)
1101 (defcustom gnus-treat-strip-trailing-blank-lines nil
1102 "Strip trailing blank lines.
1103 Valid values are nil, t, `head', `last', an integer or a predicate.
1104 See Info node `(gnus)Customizing Articles' for details."
1105 :group 'gnus-article-treat
1106 :link '(custom-manual "(gnus)Customizing Articles")
1107 :type gnus-article-treat-custom)
1109 (defcustom gnus-treat-strip-leading-blank-lines nil
1110 "Strip leading blank lines.
1111 Valid values are nil, t, `head', `last', an integer or a predicate.
1112 See Info node `(gnus)Customizing Articles' for details."
1113 :group 'gnus-article-treat
1114 :link '(custom-manual "(gnus)Customizing Articles")
1115 :type gnus-article-treat-custom)
1117 (defcustom gnus-treat-strip-multiple-blank-lines nil
1118 "Strip multiple blank lines.
1119 Valid values are nil, t, `head', `last', an integer or a predicate.
1120 See Info node `(gnus)Customizing Articles' for details."
1121 :group 'gnus-article-treat
1122 :link '(custom-manual "(gnus)Customizing Articles")
1123 :type gnus-article-treat-custom)
1125 (defcustom gnus-treat-unfold-headers 'head
1126 "Unfold folded header lines.
1127 Valid values are nil, t, `head', `last', an integer or a predicate.
1128 See Info node `(gnus)Customizing Articles' for details."
1129 :group 'gnus-article-treat
1130 :link '(custom-manual "(gnus)Customizing Articles")
1131 :type gnus-article-treat-custom)
1133 (defcustom gnus-treat-fold-headers nil
1135 Valid values are nil, t, `head', `last', an integer or a predicate.
1136 See Info node `(gnus)Customizing Articles' for details."
1138 :group 'gnus-article-treat
1139 :link '(custom-manual "(gnus)Customizing Articles")
1140 :type gnus-article-treat-custom)
1142 (defcustom gnus-treat-fold-newsgroups 'head
1143 "Fold the Newsgroups and Followup-To headers.
1144 Valid values are nil, t, `head', `last', an integer or a predicate.
1145 See Info node `(gnus)Customizing Articles' for details."
1147 :group 'gnus-article-treat
1148 :link '(custom-manual "(gnus)Customizing Articles")
1149 :type gnus-article-treat-custom)
1151 (defcustom gnus-treat-overstrike t
1152 "Treat overstrike highlighting.
1153 Valid values are nil, t, `head', `last', an integer or a predicate.
1154 See Info node `(gnus)Customizing Articles' for details."
1155 :group 'gnus-article-treat
1156 :link '(custom-manual "(gnus)Customizing Articles")
1157 :type gnus-article-treat-custom)
1158 (put 'gnus-treat-overstrike 'highlight t)
1160 (defcustom gnus-treat-ansi-sequences (if (locate-library "ansi-color") t)
1161 "Treat ANSI SGR control sequences.
1162 Valid values are nil, t, `head', `last', an integer or a predicate.
1163 See Info node `(gnus)Customizing Articles' for details."
1164 :group 'gnus-article-treat
1165 :link '(custom-manual "(gnus)Customizing Articles")
1166 :type gnus-article-treat-custom)
1168 (make-obsolete-variable 'gnus-treat-display-xface
1169 'gnus-treat-display-x-face)
1171 (defcustom gnus-treat-display-x-face
1172 (and (not noninteractive)
1173 (or (and (fboundp 'image-type-available-p)
1174 (image-type-available-p 'xbm)
1175 (string-match "^0x" (shell-command-to-string "uncompface"))
1176 (executable-find "icontopbm"))
1177 (and (featurep 'xemacs)
1180 "Display X-Face headers.
1181 Valid values are nil, t, `head', `last', an integer or a predicate.
1182 See Info node `(gnus)Customizing Articles' and Info node
1183 `(gnus)X-Face' for details."
1184 :group 'gnus-article-treat
1186 :link '(custom-manual "(gnus)Customizing Articles")
1187 :link '(custom-manual "(gnus)X-Face")
1188 :type gnus-article-treat-head-custom
1189 :set (lambda (symbol value)
1192 (cond ((or (boundp symbol) (get symbol 'saved-value))
1194 ((boundp 'gnus-treat-display-xface)
1196 ** gnus-treat-display-xface is an obsolete variable;\
1197 use gnus-treat-display-x-face instead")
1198 (default-value 'gnus-treat-display-xface))
1199 ((get 'gnus-treat-display-xface 'saved-value)
1201 ** gnus-treat-display-xface is an obsolete variable;\
1202 use gnus-treat-display-x-face instead")
1203 (eval (car (get 'gnus-treat-display-xface 'saved-value))))
1206 (put 'gnus-treat-display-x-face 'highlight t)
1208 (defcustom gnus-treat-display-face
1209 (and (not noninteractive)
1210 (or (and (fboundp 'image-type-available-p)
1211 (image-type-available-p 'png))
1212 (and (featurep 'xemacs)
1215 "Display Face headers.
1216 Valid values are nil, t, `head', `last', an integer or a predicate.
1217 See Info node `(gnus)Customizing Articles' and Info node
1218 `(gnus)X-Face' for details."
1219 :group 'gnus-article-treat
1221 :link '(custom-manual "(gnus)Customizing Articles")
1222 :link '(custom-manual "(gnus)X-Face")
1223 :type gnus-article-treat-head-custom)
1224 (put 'gnus-treat-display-face 'highlight t)
1226 (defcustom gnus-treat-display-smileys
1227 (if (or (and (featurep 'xemacs)
1229 (and (fboundp 'image-type-available-p)
1230 (image-type-available-p 'pbm)))
1233 Valid values are nil, t, `head', `last', an integer or a predicate.
1234 See Info node `(gnus)Customizing Articles' and Info node
1235 `(gnus)Smileys' for details."
1236 :group 'gnus-article-treat
1238 :link '(custom-manual "(gnus)Customizing Articles")
1239 :link '(custom-manual "(gnus)Smileys")
1240 :type gnus-article-treat-custom)
1241 (put 'gnus-treat-display-smileys 'highlight t)
1243 (defcustom gnus-treat-from-picon
1244 (if (and (gnus-image-type-available-p 'xpm)
1245 (gnus-picons-installed-p))
1247 "Display picons in the From header.
1248 Valid values are nil, t, `head', `last', an integer or a predicate.
1249 See Info node `(gnus)Customizing Articles' and Info node
1250 `(gnus)Picons' for details."
1251 :group 'gnus-article-treat
1253 :link '(custom-manual "(gnus)Customizing Articles")
1254 :link '(custom-manual "(gnus)Picons")
1255 :type gnus-article-treat-head-custom)
1256 (put 'gnus-treat-from-picon 'highlight t)
1258 (defcustom gnus-treat-mail-picon
1259 (if (and (gnus-image-type-available-p 'xpm)
1260 (gnus-picons-installed-p))
1262 "Display picons in To and Cc headers.
1263 Valid values are nil, t, `head', `last', an integer or a predicate.
1264 See Info node `(gnus)Customizing Articles' and Info node
1265 `(gnus)Picons' for details."
1266 :group 'gnus-article-treat
1268 :link '(custom-manual "(gnus)Customizing Articles")
1269 :link '(custom-manual "(gnus)Picons")
1270 :type gnus-article-treat-head-custom)
1271 (put 'gnus-treat-mail-picon 'highlight t)
1273 (defcustom gnus-treat-newsgroups-picon
1274 (if (and (gnus-image-type-available-p 'xpm)
1275 (gnus-picons-installed-p))
1277 "Display picons in the Newsgroups and Followup-To headers.
1278 Valid values are nil, t, `head', `last', an integer or a predicate.
1279 See Info node `(gnus)Customizing Articles' and Info node
1280 `(gnus)Picons' for details."
1282 :group 'gnus-article-treat
1284 :link '(custom-manual "(gnus)Customizing Articles")
1285 :link '(custom-manual "(gnus)Picons")
1286 :type gnus-article-treat-head-custom)
1287 (put 'gnus-treat-newsgroups-picon 'highlight t)
1289 (defcustom gnus-treat-body-boundary
1290 (if (or gnus-treat-newsgroups-picon
1291 gnus-treat-mail-picon
1292 gnus-treat-from-picon)
1294 "Draw a boundary at the end of the headers.
1295 Valid values are nil and `head'.
1296 See Info node `(gnus)Customizing Articles' for details."
1298 :group 'gnus-article-treat
1299 :link '(custom-manual "(gnus)Customizing Articles")
1300 :type gnus-article-treat-head-custom)
1302 (defcustom gnus-treat-capitalize-sentences nil
1303 "Capitalize sentence-starting words.
1304 Valid values are nil, t, `head', `last', an integer or a predicate.
1305 See Info node `(gnus)Customizing Articles' for details."
1307 :group 'gnus-article-treat
1308 :link '(custom-manual "(gnus)Customizing Articles")
1309 :type gnus-article-treat-custom)
1311 (defcustom gnus-treat-wash-html nil
1313 Valid values are nil, t, `head', `last', an integer or a predicate.
1314 See Info node `(gnus)Customizing Articles' for details."
1316 :group 'gnus-article-treat
1317 :link '(custom-manual "(gnus)Customizing Articles")
1318 :type gnus-article-treat-custom)
1320 (defcustom gnus-treat-fill-long-lines nil
1322 Valid values are nil, t, `head', `last', an integer or a predicate.
1323 See Info node `(gnus)Customizing Articles' for details."
1324 :group 'gnus-article-treat
1325 :link '(custom-manual "(gnus)Customizing Articles")
1326 :type gnus-article-treat-custom)
1328 (defcustom gnus-treat-play-sounds nil
1330 Valid values are nil, t, `head', `last', an integer or a predicate.
1331 See Info node `(gnus)Customizing Articles' for details."
1333 :group 'gnus-article-treat
1334 :link '(custom-manual "(gnus)Customizing Articles")
1335 :type gnus-article-treat-custom)
1337 (defcustom gnus-treat-translate nil
1338 "Translate articles from one language to another.
1339 Valid values are nil, t, `head', `last', an integer or a predicate.
1340 See Info node `(gnus)Customizing Articles' for details."
1342 :group 'gnus-article-treat
1343 :link '(custom-manual "(gnus)Customizing Articles")
1344 :type gnus-article-treat-custom)
1346 (defcustom gnus-treat-x-pgp-sig nil
1348 To automatically treat X-PGP-Sig, set it to head.
1349 Valid values are nil, t, `head', `last', an integer or a predicate.
1350 See Info node `(gnus)Customizing Articles' for details."
1351 :group 'gnus-article-treat
1352 :group 'mime-security
1353 :link '(custom-manual "(gnus)Customizing Articles")
1354 :type gnus-article-treat-custom)
1356 (defvar gnus-article-encrypt-protocol-alist
1357 '(("PGP" . mml2015-self-encrypt)))
1359 ;; Set to nil if more than one protocol added to
1360 ;; gnus-article-encrypt-protocol-alist.
1361 (defcustom gnus-article-encrypt-protocol "PGP"
1362 "The protocol used for encrypt articles.
1363 It is a string, such as \"PGP\". If nil, ask user."
1366 :group 'mime-security)
1368 (defvar gnus-article-wash-function nil
1369 "Function used for converting HTML into text.")
1371 (defcustom gnus-use-idna (and (condition-case nil (require 'idna) (file-error))
1372 (mm-coding-system-p 'utf-8)
1373 (executable-find idna-program))
1374 "Whether IDNA decoding of headers is used when viewing messages.
1375 This requires GNU Libidn, and by default only enabled if it is found."
1377 :group 'gnus-article-headers
1380 (defcustom gnus-article-over-scroll nil
1381 "If non-nil, allow scrolling the article buffer even when there no more text."
1383 :group 'gnus-article
1386 ;;; Internal variables
1388 (defvar gnus-english-month-names
1389 '("January" "February" "March" "April" "May" "June" "July" "August"
1390 "September" "October" "November" "December"))
1392 (defvar gnus-button-regexp nil)
1393 (defvar gnus-button-marker-list nil)
1394 ;; Regexp matching any of the regexps from `gnus-button-alist'.
1396 (defvar gnus-button-last nil)
1397 ;; The value of `gnus-button-alist' when `gnus-button-regexp' was build.
1399 (defvar article-goto-body-goes-to-point-min-p nil)
1400 (defvar gnus-article-wash-types nil)
1401 (defvar gnus-article-emphasis-alist nil)
1402 (defvar gnus-article-image-alist nil)
1404 (defvar gnus-article-mime-handle-alist-1 nil)
1405 (defvar gnus-treatment-function-alist
1406 '((gnus-treat-x-pgp-sig gnus-article-verify-x-pgp-sig)
1407 (gnus-treat-strip-banner gnus-article-strip-banner)
1408 (gnus-treat-strip-headers-in-body gnus-article-strip-headers-in-body)
1409 (gnus-treat-highlight-signature gnus-article-highlight-signature)
1410 (gnus-treat-buttonize gnus-article-add-buttons)
1411 (gnus-treat-fill-article gnus-article-fill-cited-article)
1412 (gnus-treat-fill-long-lines gnus-article-fill-long-lines)
1413 (gnus-treat-strip-cr gnus-article-remove-cr)
1414 (gnus-treat-unsplit-urls gnus-article-unsplit-urls)
1415 (gnus-treat-date-ut gnus-article-date-ut)
1416 (gnus-treat-date-local gnus-article-date-local)
1417 (gnus-treat-date-english gnus-article-date-english)
1418 (gnus-treat-date-lapsed gnus-article-date-lapsed)
1419 (gnus-treat-date-original gnus-article-date-original)
1420 (gnus-treat-date-user-defined gnus-article-date-user)
1421 (gnus-treat-date-iso8601 gnus-article-date-iso8601)
1422 (gnus-treat-display-x-face gnus-article-display-x-face)
1423 (gnus-treat-display-face gnus-article-display-face)
1424 (gnus-treat-hide-headers gnus-article-maybe-hide-headers)
1425 (gnus-treat-hide-boring-headers gnus-article-hide-boring-headers)
1426 (gnus-treat-hide-signature gnus-article-hide-signature)
1427 (gnus-treat-strip-list-identifiers gnus-article-hide-list-identifiers)
1428 (gnus-treat-leading-whitespace gnus-article-remove-leading-whitespace)
1429 (gnus-treat-strip-pem gnus-article-hide-pem)
1430 (gnus-treat-from-picon gnus-treat-from-picon)
1431 (gnus-treat-mail-picon gnus-treat-mail-picon)
1432 (gnus-treat-newsgroups-picon gnus-treat-newsgroups-picon)
1433 (gnus-treat-highlight-headers gnus-article-highlight-headers)
1434 (gnus-treat-highlight-signature gnus-article-highlight-signature)
1435 (gnus-treat-strip-trailing-blank-lines
1436 gnus-article-remove-trailing-blank-lines)
1437 (gnus-treat-strip-leading-blank-lines
1438 gnus-article-strip-leading-blank-lines)
1439 (gnus-treat-strip-multiple-blank-lines
1440 gnus-article-strip-multiple-blank-lines)
1441 (gnus-treat-overstrike gnus-article-treat-overstrike)
1442 (gnus-treat-ansi-sequences gnus-article-treat-ansi-sequences)
1443 (gnus-treat-unfold-headers gnus-article-treat-unfold-headers)
1444 (gnus-treat-fold-headers gnus-article-treat-fold-headers)
1445 (gnus-treat-fold-newsgroups gnus-article-treat-fold-newsgroups)
1446 (gnus-treat-buttonize-head gnus-article-add-buttons-to-head)
1447 (gnus-treat-display-smileys gnus-treat-smiley)
1448 (gnus-treat-capitalize-sentences gnus-article-capitalize-sentences)
1449 (gnus-treat-wash-html gnus-article-wash-html)
1450 (gnus-treat-emphasize gnus-article-emphasize)
1451 (gnus-treat-hide-citation gnus-article-hide-citation)
1452 (gnus-treat-hide-citation-maybe gnus-article-hide-citation-maybe)
1453 (gnus-treat-highlight-citation gnus-article-highlight-citation)
1454 (gnus-treat-body-boundary gnus-article-treat-body-boundary)
1455 (gnus-treat-play-sounds gnus-earcon-display)))
1457 (defvar gnus-article-mime-handle-alist nil)
1458 (defvar article-lapsed-timer nil)
1459 (defvar gnus-article-current-summary nil)
1461 (defvar gnus-article-mode-syntax-table
1462 (let ((table (copy-syntax-table text-mode-syntax-table)))
1463 ;; This causes the citation match run O(2^n).
1464 ;; (modify-syntax-entry ?- "w" table)
1465 (modify-syntax-entry ?> ")<" table)
1466 (modify-syntax-entry ?< "(>" table)
1467 ;; make M-. in article buffers work for `foo' strings
1468 (modify-syntax-entry ?' " " table)
1469 (modify-syntax-entry ?` " " table)
1471 "Syntax table used in article mode buffers.
1472 Initialized from `text-mode-syntax-table.")
1474 (defvar gnus-save-article-buffer nil)
1476 (defvar gnus-article-mode-line-format-alist
1477 (nconc '((?w (gnus-article-wash-status) ?s)
1478 (?m (gnus-article-mime-part-status) ?s))
1479 gnus-summary-mode-line-format-alist))
1481 (defvar gnus-number-of-articles-to-be-saved nil)
1483 (defvar gnus-inhibit-hiding nil)
1485 (defvar gnus-article-edit-mode nil)
1487 ;;; Macros for dealing with the article buffer.
1489 (defmacro gnus-with-article-headers (&rest forms)
1491 (set-buffer gnus-article-buffer)
1493 (let ((inhibit-read-only t)
1494 (inhibit-point-motion-hooks t)
1495 (case-fold-search t))
1496 (article-narrow-to-head)
1499 (put 'gnus-with-article-headers 'lisp-indent-function 0)
1500 (put 'gnus-with-article-headers 'edebug-form-spec '(body))
1502 (defmacro gnus-with-article-buffer (&rest forms)
1504 (set-buffer gnus-article-buffer)
1505 (let ((inhibit-read-only t))
1508 (put 'gnus-with-article-buffer 'lisp-indent-function 0)
1509 (put 'gnus-with-article-buffer 'edebug-form-spec '(body))
1511 (defun gnus-article-goto-header (header)
1512 "Go to HEADER, which is a regular expression."
1513 (re-search-forward (concat "^\\(" header "\\):") nil t))
1515 (defsubst gnus-article-hide-text (b e props)
1516 "Set text PROPS on the B to E region, extending `intangible' 1 past B."
1517 (gnus-add-text-properties-when 'article-type nil b e props)
1518 (when (memq 'intangible props)
1520 (max (1- b) (point-min))
1521 b 'intangible (cddr (memq 'intangible props)))))
1523 (defsubst gnus-article-unhide-text (b e)
1524 "Remove hidden text properties from region between B and E."
1525 (remove-text-properties b e gnus-hidden-properties)
1526 (when (memq 'intangible gnus-hidden-properties)
1527 (put-text-property (max (1- b) (point-min))
1528 b 'intangible nil)))
1530 (defun gnus-article-hide-text-type (b e type)
1531 "Hide text of TYPE between B and E."
1532 (gnus-add-wash-type type)
1533 (gnus-article-hide-text
1534 b e (cons 'article-type (cons type gnus-hidden-properties))))
1536 (defun gnus-article-unhide-text-type (b e type)
1537 "Unhide text of TYPE between B and E."
1538 (gnus-delete-wash-type type)
1539 (remove-text-properties
1540 b e (cons 'article-type (cons type gnus-hidden-properties)))
1541 (when (memq 'intangible gnus-hidden-properties)
1542 (put-text-property (max (1- b) (point-min))
1543 b 'intangible nil)))
1545 (defun gnus-article-hide-text-of-type (type)
1546 "Hide text of TYPE in the current buffer."
1548 (let ((b (point-min))
1550 (while (setq b (text-property-any b e 'article-type type))
1551 (add-text-properties b (incf b) gnus-hidden-properties)))))
1553 (defun gnus-article-delete-text-of-type (type)
1554 "Delete text of TYPE in the current buffer."
1556 (let ((b (point-min)))
1557 (while (setq b (text-property-any b (point-max) 'article-type type))
1559 b (or (text-property-not-all b (point-max) 'article-type type)
1562 (defun gnus-article-delete-invisible-text ()
1563 "Delete all invisible text in the current buffer."
1565 (let ((b (point-min)))
1566 (while (setq b (text-property-any b (point-max) 'invisible t))
1568 b (or (text-property-not-all b (point-max) 'invisible t)
1571 (defun gnus-article-text-type-exists-p (type)
1572 "Say whether any text of type TYPE exists in the buffer."
1573 (text-property-any (point-min) (point-max) 'article-type type))
1575 (defsubst gnus-article-header-rank ()
1576 "Give the rank of the string HEADER as given by `gnus-sorted-header-list'."
1577 (let ((list gnus-sorted-header-list)
1580 (if (looking-at (car list))
1582 (setq list (cdr list))
1586 (defun article-hide-headers (&optional arg delete)
1587 "Hide unwanted headers and possibly sort them as well."
1589 ;; This function might be inhibited.
1590 (unless gnus-inhibit-hiding
1591 (let ((inhibit-read-only nil)
1592 (case-fold-search t)
1593 (max (1+ (length gnus-sorted-header-list)))
1594 (inhibit-point-motion-hooks t)
1595 (cur (current-buffer))
1596 ignored visible beg)
1598 ;; `gnus-ignored-headers' and `gnus-visible-headers' may be
1599 ;; group parameters, so we should go to the summary buffer.
1602 (progn (set-buffer gnus-summary-buffer) t)
1604 (setq ignored (when (not gnus-visible-headers)
1605 (cond ((stringp gnus-ignored-headers)
1606 gnus-ignored-headers)
1607 ((listp gnus-ignored-headers)
1608 (mapconcat 'identity
1609 gnus-ignored-headers
1611 visible (cond ((stringp gnus-visible-headers)
1612 gnus-visible-headers)
1613 ((and gnus-visible-headers
1614 (listp gnus-visible-headers))
1615 (mapconcat 'identity
1616 gnus-visible-headers
1620 ;; First we narrow to just the headers.
1621 (article-narrow-to-head)
1622 ;; Hide any "From " lines at the beginning of (mail) articles.
1623 (while (looking-at "From ")
1626 (delete-region (point-min) (point)))
1627 ;; Then treat the rest of the header lines.
1628 ;; Then we use the two regular expressions
1629 ;; `gnus-ignored-headers' and `gnus-visible-headers' to
1630 ;; select which header lines is to remain visible in the
1632 (while (re-search-forward "^[^ \t:]*:" nil t)
1634 ;; Mark the rank of the header.
1636 (point) (1+ (point)) 'message-rank
1637 (if (or (and visible (looking-at visible))
1639 (not (looking-at ignored))))
1640 (gnus-article-header-rank)
1643 (message-sort-headers-1)
1644 (when (setq beg (text-property-any
1645 (point-min) (point-max) 'message-rank (+ 2 max)))
1646 ;; We delete the unwanted headers.
1647 (gnus-add-wash-type 'headers)
1648 (add-text-properties (point-min) (+ 5 (point-min))
1649 '(article-type headers dummy-invisible t))
1650 (delete-region beg (point-max))))))))
1652 (defun article-hide-boring-headers (&optional arg)
1653 "Toggle hiding of headers that aren't very interesting.
1654 If given a negative prefix, always show; if given a positive prefix,
1656 (interactive (gnus-article-hidden-arg))
1657 (when (and (not (gnus-article-check-hidden-text 'boring-headers arg))
1658 (not gnus-show-all-headers))
1661 (let ((inhibit-read-only t)
1662 (list gnus-boring-article-headers)
1663 (inhibit-point-motion-hooks t)
1665 (article-narrow-to-head)
1667 (setq elem (pop list))
1668 (goto-char (point-min))
1670 ;; Hide empty headers.
1672 (while (re-search-forward "^[^: \t]+:[ \t]*\n[^ \t]" nil t)
1674 (gnus-article-hide-text-type
1678 (if (re-search-forward "^[^ \t]" nil t)
1682 ;; Hide boring Newsgroups header.
1683 ((eq elem 'newsgroups)
1684 (when (gnus-string-equal
1685 (gnus-fetch-field "newsgroups")
1686 (gnus-group-real-name
1687 (if (boundp 'gnus-newsgroup-name)
1690 (gnus-article-hide-header "newsgroups")))
1691 ((eq elem 'to-address)
1692 (let ((to (message-fetch-field "to"))
1694 (gnus-parameter-to-address
1695 (if (boundp 'gnus-newsgroup-name)
1696 gnus-newsgroup-name ""))))
1697 (when (and to to-address
1700 ;; only one address in To
1701 (nth 1 (mail-extract-address-components to))
1703 (gnus-article-hide-header "to"))))
1705 (let ((to (message-fetch-field "to"))
1707 (gnus-parameter-to-list
1708 (if (boundp 'gnus-newsgroup-name)
1709 gnus-newsgroup-name ""))))
1710 (when (and to to-list
1713 ;; only one address in To
1714 (nth 1 (mail-extract-address-components to))
1716 (gnus-article-hide-header "to"))))
1718 (let ((cc (message-fetch-field "cc"))
1720 (gnus-parameter-to-list
1721 (if (boundp 'gnus-newsgroup-name)
1722 gnus-newsgroup-name ""))))
1723 (when (and cc to-list
1726 ;; only one address in CC
1727 (nth 1 (mail-extract-address-components cc))
1729 (gnus-article-hide-header "cc"))))
1730 ((eq elem 'followup-to)
1731 (when (gnus-string-equal
1732 (message-fetch-field "followup-to")
1733 (message-fetch-field "newsgroups"))
1734 (gnus-article-hide-header "followup-to")))
1735 ((eq elem 'reply-to)
1736 (if (gnus-group-find-parameter
1737 gnus-newsgroup-name 'broken-reply-to)
1738 (gnus-article-hide-header "reply-to")
1739 (let ((from (message-fetch-field "from"))
1740 (reply-to (message-fetch-field "reply-to")))
1747 (lambda (x) (downcase (cadr x)))
1748 (mail-extract-address-components from t))
1751 (lambda (x) (downcase (cadr x)))
1752 (mail-extract-address-components reply-to t))
1754 (gnus-article-hide-header "reply-to")))))
1756 (let ((date (message-fetch-field "date")))
1758 (< (days-between (current-time-string) date)
1760 (gnus-article-hide-header "date"))))
1762 (let ((to (message-fetch-field "to"))
1763 (cc (message-fetch-field "cc")))
1764 (when (> (length to) 1024)
1765 (gnus-article-hide-header "to"))
1766 (when (> (length cc) 1024)
1767 (gnus-article-hide-header "cc"))))
1771 (goto-char (point-min))
1772 (while (re-search-forward "^to:" nil t)
1773 (setq to-count (1+ to-count)))
1774 (when (> to-count 1)
1775 (while (> to-count 0)
1776 (goto-char (point-min))
1778 (re-search-forward "^to:" nil nil to-count)
1780 (narrow-to-region (point) (point-max))
1781 (gnus-article-hide-header "to"))
1782 (setq to-count (1- to-count))))
1783 (goto-char (point-min))
1784 (while (re-search-forward "^cc:" nil t)
1785 (setq cc-count (1+ cc-count)))
1786 (when (> cc-count 1)
1787 (while (> cc-count 0)
1788 (goto-char (point-min))
1790 (re-search-forward "^cc:" nil nil cc-count)
1792 (narrow-to-region (point) (point-max))
1793 (gnus-article-hide-header "cc"))
1794 (setq cc-count (1- cc-count)))))))))))))
1796 (defun gnus-article-hide-header (header)
1798 (goto-char (point-min))
1799 (when (re-search-forward (concat "^" header ":") nil t)
1800 (gnus-article-hide-text-type
1804 (if (re-search-forward "^[^ \t]" nil t)
1809 (defvar gnus-article-normalized-header-length 40
1810 "Length of normalized headers.")
1812 (defun article-normalize-headers ()
1813 "Make all header lines 40 characters long."
1815 (let ((inhibit-read-only t)
1819 (article-narrow-to-head)
1822 ((< (setq column (- (point-at-eol) (point)))
1823 gnus-article-normalized-header-length)
1825 (insert (make-string
1826 (- gnus-article-normalized-header-length column)
1828 ((> column gnus-article-normalized-header-length)
1829 (gnus-put-text-property
1831 (forward-char gnus-article-normalized-header-length)
1838 (forward-line 1))))))
1840 (defun article-treat-dumbquotes ()
1841 "Translate M****s*** sm*rtq**t*s and other symbols into proper text.
1842 Note that this function guesses whether a character is a sm*rtq**t* or
1843 not, so it should only be used interactively.
1845 Sm*rtq**t*s are M****s***'s unilateral extension to the
1846 iso-8859-1 character map in an attempt to provide more quoting
1847 characters. If you see something like \\222 or \\264 where
1848 you're expecting some kind of apostrophe or quotation mark, then
1851 (article-translate-strings gnus-article-dumbquotes-map))
1853 (defun article-translate-characters (from to)
1854 "Translate all characters in the body of the article according to FROM and TO.
1855 FROM is a string of characters to translate from; to is a string of
1856 characters to translate to."
1858 (when (article-goto-body)
1859 (let ((inhibit-read-only t)
1860 (x (make-string 225 ?x))
1862 (while (< (incf i) (length x))
1865 (while (< i (length from))
1866 (aset x (aref from i) (aref to i))
1868 (translate-region (point) (point-max) x)))))
1870 (defun article-translate-strings (map)
1871 "Translate all string in the body of the article according to MAP.
1872 MAP is an alist where the elements are on the form (\"from\" \"to\")."
1874 (when (article-goto-body)
1875 (let ((inhibit-read-only t)
1877 (while (setq elem (pop map))
1879 (while (search-forward (car elem) nil t)
1880 (replace-match (cadr elem)))))))))
1882 (defun article-treat-overstrike ()
1883 "Translate overstrikes into bold text."
1886 (when (article-goto-body)
1887 (let ((inhibit-read-only t))
1888 (while (search-forward "\b" nil t)
1889 (let ((next (char-after))
1890 (previous (char-after (- (point) 2))))
1891 ;; We do the boldification/underlining by hiding the
1892 ;; overstrikes and putting the proper text property
1896 (gnus-article-hide-text-type (- (point) 2) (point) 'overstrike)
1897 (put-text-property (point) (1+ (point)) 'face 'bold))
1899 (gnus-article-hide-text-type
1900 (1- (point)) (1+ (point)) 'overstrike)
1902 (- (point) 2) (1- (point)) 'face 'underline))
1904 (gnus-article-hide-text-type (- (point) 2) (point) 'overstrike)
1906 (point) (1+ (point)) 'face 'underline)))))))))
1908 (defun article-treat-ansi-sequences ()
1909 "Translate ANSI SGR control sequences into overlays or extents."
1912 (when (article-goto-body)
1913 (let ((inhibit-read-only t))
1914 (ansi-color-apply-on-region (point) (point-max))))))
1916 (defun gnus-article-treat-unfold-headers ()
1917 "Unfold folded message headers.
1918 Only the headers that fit into the current window width will be
1921 (gnus-with-article-headers
1925 (mail-header-narrow-to-field)
1926 (let ((header (buffer-string)))
1929 (goto-char (point-min))
1930 (while (re-search-forward "\n[\t ]" nil t)
1931 (replace-match " " t t)))
1932 (setq length (- (point-max) (point-min) 1)))
1933 (when (< length (window-width))
1934 (while (re-search-forward "\n[\t ]" nil t)
1935 (replace-match " " t t)))
1936 (goto-char (point-max)))))))
1938 (defun gnus-article-treat-fold-headers ()
1939 "Fold message headers."
1941 (gnus-with-article-headers
1944 (mail-header-narrow-to-field)
1945 (mail-header-fold-field)
1946 (goto-char (point-max))))))
1948 (defun gnus-treat-smiley ()
1949 "Toggle display of textual emoticons (\"smileys\") as small graphical icons."
1951 (gnus-with-article-buffer
1952 (if (memq 'smiley gnus-article-wash-types)
1953 (gnus-delete-images 'smiley)
1955 (let ((images (smiley-region (point) (point-max))))
1957 (gnus-add-wash-type 'smiley)
1958 (dolist (image images)
1959 (gnus-add-image 'smiley image)))))))
1961 (defun gnus-article-remove-images ()
1962 "Remove all images from the article buffer."
1964 (gnus-with-article-buffer
1965 (dolist (elem gnus-article-image-alist)
1966 (gnus-delete-images (car elem)))))
1968 (defun gnus-article-treat-fold-newsgroups ()
1969 "Unfold folded message headers.
1970 Only the headers that fit into the current window width will be
1973 (gnus-with-article-headers
1974 (while (gnus-article-goto-header "newsgroups\\|followup-to")
1976 (mail-header-narrow-to-field)
1977 (while (re-search-forward ", *" nil t)
1978 (replace-match ", " t t))
1979 (mail-header-fold-field)
1980 (goto-char (point-max))))))
1982 (defun gnus-article-treat-body-boundary ()
1983 "Place a boundary line at the end of the headers."
1985 (when (and gnus-body-boundary-delimiter
1986 (> (length gnus-body-boundary-delimiter) 0))
1987 (gnus-with-article-headers
1988 (goto-char (point-max))
1989 (let ((start (point)))
1990 (insert "X-Boundary: ")
1991 (gnus-add-text-properties start (point) '(invisible t intangible t))
1993 (while (>= (1- (window-width)) (length str))
1994 (setq str (concat str gnus-body-boundary-delimiter)))
1995 (substring str 0 (1- (window-width))))
1997 (gnus-put-text-property start (point) 'gnus-decoration 'header)))))
1999 (defun article-fill-long-lines ()
2000 "Fill lines that are wider than the window width."
2003 (let ((inhibit-read-only t)
2004 (width (window-width (get-buffer-window (current-buffer)))))
2007 (let ((adaptive-fill-mode nil)) ;Why? -sm
2010 (when (>= (current-column) (min fill-column width))
2011 (narrow-to-region (min (1+ (point)) (point-max))
2013 (let ((goback (point-marker)))
2014 (fill-paragraph nil)
2015 (goto-char (marker-position goback)))
2017 (forward-line 1)))))))
2019 (defun article-capitalize-sentences ()
2020 "Capitalize the first word in each sentence."
2023 (let ((inhibit-read-only t)
2024 (paragraph-start "^[\n\^L]"))
2028 (forward-sentence)))))
2030 (defun article-remove-cr ()
2031 "Remove trailing CRs and then translate remaining CRs into LFs."
2034 (let ((inhibit-read-only t))
2035 (goto-char (point-min))
2036 (while (re-search-forward "\r+$" nil t)
2037 (replace-match "" t t))
2038 (goto-char (point-min))
2039 (while (search-forward "\r" nil t)
2040 (replace-match "\n" t t)))))
2042 (defun article-remove-trailing-blank-lines ()
2043 "Remove all trailing blank lines from the article."
2046 (let ((inhibit-read-only t))
2047 (goto-char (point-max))
2051 (while (and (not (bobp))
2052 (looking-at "^[ \t]*$")
2053 (not (gnus-annotation-in-region-p
2054 (point) (point-at-eol))))
2060 (defvar gnus-face-properties-alist))
2062 (defun article-display-face ()
2063 "Display any Face headers in the header."
2065 (let ((wash-face-p buffer-read-only))
2066 (gnus-with-article-headers
2067 ;; When displaying parts, this function can be called several times on
2068 ;; the same article, without any intended toggle semantic (as typing `W
2069 ;; D d' would have). So face deletion must occur only when we come from
2070 ;; an interactive command, that is when the *Article* buffer is
2072 (if (and wash-face-p (memq 'face gnus-article-wash-types))
2073 (gnus-delete-images 'face)
2076 (when (and wash-face-p
2078 (goto-char (point-min))
2079 (not (re-search-forward "^Face:[\t ]*" nil t)))
2080 (gnus-buffer-live-p gnus-original-article-buffer))
2081 (set-buffer gnus-original-article-buffer))
2083 (mail-narrow-to-head)
2084 (while (gnus-article-goto-header "Face")
2085 (setq faces (nconc faces (list (mail-header-field-value)))))))
2086 (while (setq face (pop faces))
2087 (let ((png (gnus-convert-face-to-png face))
2091 (apply 'gnus-create-image png 'png t
2092 (cdr (assq 'png gnus-face-properties-alist))))
2093 (gnus-article-goto-header "from")
2095 (insert "From: [no `from' set]\n")
2097 (gnus-add-wash-type 'face)
2098 (gnus-add-image 'face image)
2099 (gnus-put-image image nil 'face))))))
2102 (defun article-display-x-face (&optional force)
2103 "Look for an X-Face header and display it if present."
2104 (interactive (list 'force))
2105 (let ((wash-face-p buffer-read-only)) ;; When type `W f'
2106 (gnus-with-article-headers
2107 ;; Delete the old process, if any.
2108 (when (process-status "article-x-face")
2109 (delete-process "article-x-face"))
2110 ;; See the comment in `article-display-face'.
2111 (if (and wash-face-p (memq 'xface gnus-article-wash-types))
2112 ;; We have already displayed X-Faces, so we remove them
2114 (gnus-delete-images 'xface)
2116 (let (x-faces from face)
2118 (when (and wash-face-p
2120 (goto-char (point-min))
2121 (not (re-search-forward
2122 "^X-Face\\(-[0-9]+\\)?:[\t ]*" nil t)))
2123 (gnus-buffer-live-p gnus-original-article-buffer))
2124 ;; If type `W f', use gnus-original-article-buffer,
2125 ;; otherwise use the current buffer because displaying
2126 ;; RFC822 parts calls this function too.
2127 (set-buffer gnus-original-article-buffer))
2129 (mail-narrow-to-head)
2130 (while (gnus-article-goto-header "X-Face")
2131 (push (mail-header-field-value) x-faces))
2132 (setq from (message-fetch-field "from"))))
2133 ;; Sending multiple EOFs to xv doesn't work, so we only do a
2134 ;; single external face.
2135 (when (stringp gnus-article-x-face-command)
2136 (setq x-faces (list (car x-faces))))
2137 (while (and (setq face (pop x-faces))
2138 gnus-article-x-face-command
2140 ;; Check whether this face is censored.
2141 (not gnus-article-x-face-too-ugly)
2142 (and gnus-article-x-face-too-ugly from
2143 (not (string-match gnus-article-x-face-too-ugly
2145 ;; We display the face.
2146 (cond ((stringp gnus-article-x-face-command)
2147 ;; The command is a string, so we interpret the command
2148 ;; as a, well, command, and fork it off.
2149 (let ((process-connection-type nil))
2150 (process-kill-without-query
2152 "article-x-face" nil shell-file-name
2153 shell-command-switch gnus-article-x-face-command))
2156 (process-send-region "article-x-face"
2157 (point-min) (point-max)))
2158 (process-send-eof "article-x-face")))
2159 ((functionp gnus-article-x-face-command)
2160 ;; The command is a lisp function, so we call it.
2161 (funcall gnus-article-x-face-command face))
2163 (error "%s is not a function"
2164 gnus-article-x-face-command)))))))))
2166 (defun article-decode-mime-words ()
2167 "Decode all MIME-encoded words in the article."
2169 (gnus-with-article-buffer
2170 (let ((inhibit-point-motion-hooks t)
2171 (mail-parse-charset gnus-newsgroup-charset)
2172 (mail-parse-ignored-charsets
2173 (with-current-buffer gnus-summary-buffer
2174 gnus-newsgroup-ignored-charsets)))
2175 (mail-decode-encoded-word-region (point-min) (point-max)))))
2177 (defun article-decode-charset (&optional prompt)
2178 "Decode charset-encoded text in the article.
2179 If PROMPT (the prefix), prompt for a coding system to use."
2181 (let ((inhibit-point-motion-hooks t) (case-fold-search t)
2182 (inhibit-read-only t)
2183 (mail-parse-charset gnus-newsgroup-charset)
2184 (mail-parse-ignored-charsets
2185 (save-excursion (condition-case nil
2186 (set-buffer gnus-summary-buffer)
2188 gnus-newsgroup-ignored-charsets))
2189 ct cte ctl charset format)
2192 (article-narrow-to-head)
2193 (setq ct (message-fetch-field "Content-Type" t)
2194 cte (message-fetch-field "Content-Transfer-Encoding" t)
2195 ctl (and ct (ignore-errors
2196 (mail-header-parse-content-type ct)))
2199 (mm-read-coding-system "Charset to decode: "))
2201 (mail-content-type-get ctl 'charset)))
2202 format (and ctl (mail-content-type-get ctl 'format)))
2204 (setq cte (mail-header-strip cte)))
2205 (if (and ctl (not (string-match "/" (car ctl))))
2207 (goto-char (point-max)))
2210 (narrow-to-region (point) (point-max))
2211 (when (and (eq mail-parse-charset 'gnus-decoded)
2212 (eq (mm-body-7-or-8) '8bit))
2213 ;; The text code could have been decoded.
2214 (setq charset mail-parse-charset))
2215 (when (and (or (not ctl)
2216 (equal (car ctl) "text/plain"))
2217 (not format)) ;; article with format will decode later.
2219 charset (and cte (intern (downcase
2220 (gnus-strip-whitespace cte))))
2223 (defun article-decode-encoded-words ()
2224 "Remove encoded-word encoding from headers."
2225 (let ((inhibit-point-motion-hooks t)
2226 (mail-parse-charset gnus-newsgroup-charset)
2227 (mail-parse-ignored-charsets
2228 (save-excursion (condition-case nil
2229 (set-buffer gnus-summary-buffer)
2231 gnus-newsgroup-ignored-charsets))
2232 (inhibit-read-only t))
2234 (article-narrow-to-head)
2235 (funcall gnus-decode-header-function (point-min) (point-max)))))
2237 (defun article-decode-group-name ()
2238 "Decode group names in `Newsgroups:'."
2239 (let ((inhibit-point-motion-hooks t)
2240 (inhibit-read-only t)
2241 (method (gnus-find-method-for-group gnus-newsgroup-name)))
2242 (when (and (or gnus-group-name-charset-method-alist
2243 gnus-group-name-charset-group-alist)
2244 (gnus-buffer-live-p gnus-original-article-buffer))
2246 (article-narrow-to-head)
2247 (with-current-buffer gnus-original-article-buffer
2248 (goto-char (point-min)))
2249 (while (re-search-forward
2250 "^Newsgroups:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]" nil t)
2251 (replace-match (save-match-data
2252 (gnus-decode-newsgroups
2253 ;; XXX how to use data in article buffer?
2254 (with-current-buffer gnus-original-article-buffer
2256 "^Newsgroups:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]"
2259 gnus-newsgroup-name method))
2261 (goto-char (point-min))
2262 (with-current-buffer gnus-original-article-buffer
2263 (goto-char (point-min)))
2264 (while (re-search-forward
2265 "^Followup-To:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]" nil t)
2266 (replace-match (save-match-data
2267 (gnus-decode-newsgroups
2268 ;; XXX how to use data in article buffer?
2269 (with-current-buffer gnus-original-article-buffer
2271 "^Followup-To:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]"
2274 gnus-newsgroup-name method))
2277 (autoload 'idna-to-unicode "idna")
2279 (defun article-decode-idna-rhs ()
2280 "Decode IDNA strings in RHS in From:, To: and Cc: headers in current buffer."
2283 (let ((inhibit-point-motion-hooks t)
2284 (inhibit-read-only t))
2285 (article-narrow-to-head)
2286 (goto-char (point-min))
2287 (while (re-search-forward "@.*\\(xn--[-A-Za-z0-9.]*\\)[ \t\n\r,>]" nil t)
2289 (when (save-match-data
2290 (and (setq ace (match-string 1))
2292 (and (re-search-backward "^[^ \t]" nil t)
2293 (looking-at "From\\|To\\|Cc")))
2294 (setq unicode (idna-to-unicode ace))))
2295 (unless (string= ace unicode)
2296 (replace-match unicode nil nil nil 1)))))))))
2298 (defun article-de-quoted-unreadable (&optional force read-charset)
2299 "Translate a quoted-printable-encoded article.
2300 If FORCE, decode the article whether it is marked as quoted-printable
2302 If READ-CHARSET, ask for a coding system."
2303 (interactive (list 'force current-prefix-arg))
2305 (let ((inhibit-read-only t) type charset)
2306 (if (gnus-buffer-live-p gnus-original-article-buffer)
2307 (with-current-buffer gnus-original-article-buffer
2309 (gnus-fetch-field "content-transfer-encoding"))
2310 (let* ((ct (gnus-fetch-field "content-type"))
2313 (mail-header-parse-content-type ct)))))
2314 (setq charset (and ctl
2315 (mail-content-type-get ctl 'charset)))
2316 (if (stringp charset)
2317 (setq charset (intern (downcase charset)))))))
2319 (setq charset (mm-read-coding-system "Charset: " charset)))
2321 (setq charset gnus-newsgroup-charset))
2323 (and type (let ((case-fold-search t))
2324 (string-match "quoted-printable" type))))
2326 (quoted-printable-decode-region
2327 (point) (point-max) (mm-charset-to-coding-system charset))))))
2329 (defun article-de-base64-unreadable (&optional force read-charset)
2330 "Translate a base64 article.
2331 If FORCE, decode the article whether it is marked as base64 not.
2332 If READ-CHARSET, ask for a coding system."
2333 (interactive (list 'force current-prefix-arg))
2335 (let ((inhibit-read-only t) type charset)
2336 (if (gnus-buffer-live-p gnus-original-article-buffer)
2337 (with-current-buffer gnus-original-article-buffer
2339 (gnus-fetch-field "content-transfer-encoding"))
2340 (let* ((ct (gnus-fetch-field "content-type"))
2343 (mail-header-parse-content-type ct)))))
2344 (setq charset (and ctl
2345 (mail-content-type-get ctl 'charset)))
2346 (if (stringp charset)
2347 (setq charset (intern (downcase charset)))))))
2349 (setq charset (mm-read-coding-system "Charset: " charset)))
2351 (setq charset gnus-newsgroup-charset))
2353 (and type (let ((case-fold-search t))
2354 (string-match "base64" type))))
2357 (narrow-to-region (point) (point-max))
2358 (base64-decode-region (point-min) (point-max))
2359 (mm-decode-coding-region
2360 (point-min) (point-max) (mm-charset-to-coding-system charset)))))))
2365 (defun article-decode-HZ ()
2366 "Translate a HZ-encoded article."
2370 (let ((inhibit-read-only t))
2371 (rfc1843-decode-region (point-min) (point-max)))))
2373 (defun article-unsplit-urls ()
2374 "Remove the newlines that some other mailers insert into URLs."
2377 (let ((inhibit-read-only t))
2378 (goto-char (point-min))
2379 (while (re-search-forward
2380 "^\\(\\(https?\\|ftp\\)://\\S-+\\) *\n\\(\\S-+\\)" nil t)
2381 (replace-match "\\1\\3" t)))
2382 (when (interactive-p)
2383 (gnus-treat-article nil))))
2386 (defun article-wash-html (&optional read-charset)
2387 "Format an HTML article.
2388 If READ-CHARSET, ask for a coding system."
2391 (let ((inhibit-read-only t)
2393 (when (gnus-buffer-live-p gnus-original-article-buffer)
2394 (with-current-buffer gnus-original-article-buffer
2395 (let* ((ct (gnus-fetch-field "content-type"))
2398 (mail-header-parse-content-type ct)))))
2399 (setq charset (and ctl
2400 (mail-content-type-get ctl 'charset)))
2401 (when (stringp charset)
2402 (setq charset (intern (downcase charset)))))))
2404 (setq charset (mm-read-coding-system "Charset: " charset)))
2406 (setq charset gnus-newsgroup-charset))
2408 (save-window-excursion
2410 (narrow-to-region (point) (point-max))
2411 (let* ((func (or gnus-article-wash-function mm-text-html-renderer))
2412 (entry (assq func mm-text-html-washer-alist)))
2414 (setq func (cdr entry)))
2419 (apply (car func) (cdr func))))))))))
2421 (defun gnus-article-wash-html-with-w3 ()
2422 "Wash the current buffer with w3."
2424 (let ((w3-strict-width (window-width))
2425 (url-standalone-mode t)
2426 (url-gateway-unplugged t)
2427 (w3-honor-stylesheets nil))
2429 (w3-region (point-min) (point-max))
2432 (defun gnus-article-wash-html-with-w3m ()
2433 "Wash the current buffer with emacs-w3m."
2436 (narrow-to-region (point) (point-max))
2437 (let ((w3m-safe-url-regexp mm-w3m-safe-url-regexp)
2438 w3m-force-redisplay)
2439 (w3m-region (point-min) (point-max)))
2440 (when (and mm-inline-text-html-with-w3m-keymap
2441 (boundp 'w3m-minor-mode-map)
2443 (add-text-properties
2444 (point-min) (point-max)
2445 (list 'keymap w3m-minor-mode-map
2446 ;; Put the mark meaning this part was rendered by emacs-w3m.
2447 'mm-inline-text-html-with-w3m t)))))
2449 (defun article-hide-list-identifiers ()
2450 "Remove list identifies from the Subject header.
2451 The `gnus-list-identifiers' variable specifies what to do."
2453 (let ((inhibit-point-motion-hooks t)
2454 (regexp (if (consp gnus-list-identifiers)
2455 (mapconcat 'identity gnus-list-identifiers " *\\|")
2456 gnus-list-identifiers))
2457 (inhibit-read-only t))
2461 (article-narrow-to-head)
2462 (goto-char (point-min))
2463 (while (re-search-forward
2464 (concat "^Subject: +\\(R[Ee]: +\\)*\\(" regexp " *\\)")
2466 (delete-region (match-beginning 2) (match-end 0))
2467 (beginning-of-line))
2468 (when (re-search-forward
2469 "^Subject: +\\(\\(R[Ee]: +\\)+\\)R[Ee]: +" nil t)
2470 (delete-region (match-beginning 1) (match-end 1))))))))
2472 (defun article-hide-pem (&optional arg)
2473 "Toggle hiding of any PEM headers and signatures in the current article.
2474 If given a negative prefix, always show; if given a positive prefix,
2476 (interactive (gnus-article-hidden-arg))
2477 (unless (gnus-article-check-hidden-text 'pem arg)
2479 (let ((inhibit-read-only t) end)
2480 (goto-char (point-min))
2481 ;; Hide the horrendously ugly "header".
2482 (when (and (search-forward
2483 "\n-----BEGIN PRIVACY-ENHANCED MESSAGE-----\n"
2485 (setq end (1+ (match-beginning 0))))
2486 (gnus-add-wash-type 'pem)
2487 (gnus-article-hide-text-type
2489 (if (search-forward "\n\n" nil t)
2493 ;; Hide the trailer as well
2494 (when (search-forward "\n-----END PRIVACY-ENHANCED MESSAGE-----\n"
2496 (gnus-article-hide-text-type
2497 (match-beginning 0) (match-end 0) 'pem)))))))
2499 (defun article-strip-banner ()
2500 "Strip the banners specified by the `banner' group parameter and by
2501 `gnus-article-address-banner-alist'."
2505 (let ((inhibit-point-motion-hooks t))
2506 (when (gnus-parameter-banner gnus-newsgroup-name)
2507 (article-really-strip-banner
2508 (gnus-parameter-banner gnus-newsgroup-name)))
2509 (when gnus-article-address-banner-alist
2510 ;; It is necessary to encode from fields before checking,
2511 ;; because `mail-header-parse-addresses' does not work
2512 ;; (reliably) on decoded headers. And more, it is
2513 ;; impossible to use `gnus-fetch-original-field' here,
2514 ;; because `article-strip-banner' may be called in draft
2515 ;; buffers to preview them.
2516 (let ((from (save-restriction
2518 (article-narrow-to-head)
2519 (mail-fetch-field "from"))))
2522 (caar (mail-header-parse-addresses
2523 (mail-encode-encoded-word-string from)))))
2525 (dolist (pair gnus-article-address-banner-alist)
2526 (when (string-match (car pair) from)
2528 (article-really-strip-banner (cdr pair)))))))))))))
2530 (defun article-really-strip-banner (banner)
2531 "Strip the banner specified by the argument."
2534 (let ((inhibit-point-motion-hooks t)
2535 (gnus-signature-limit nil)
2536 (inhibit-read-only t))
2539 ((eq banner 'signature)
2540 (when (gnus-article-narrow-to-signature)
2543 (delete-region (point) (point-max))))
2545 (if (setq banner (cdr (assq banner gnus-article-banner-alist)))
2546 (while (re-search-forward banner nil t)
2547 (delete-region (match-beginning 0) (match-end 0)))))
2549 (while (re-search-forward banner nil t)
2550 (delete-region (match-beginning 0) (match-end 0)))))))))
2552 (defun article-babel ()
2553 "Translate article using an online translation service."
2556 (gnus-with-article-buffer
2557 (when (article-goto-body)
2558 (let* ((start (point))
2560 (orig (buffer-substring start end))
2561 (trans (babel-as-string orig)))
2563 (narrow-to-region start end)
2564 (delete-region start end)
2567 (defun article-hide-signature (&optional arg)
2568 "Hide the signature in the current article.
2569 If given a negative prefix, always show; if given a positive prefix,
2571 (interactive (gnus-article-hidden-arg))
2572 (unless (gnus-article-check-hidden-text 'signature arg)
2575 (let ((inhibit-read-only t))
2576 (when (gnus-article-narrow-to-signature)
2577 (gnus-article-hide-text-type
2578 (point-min) (point-max) 'signature))))))
2579 (gnus-set-mode-line 'article))
2581 (defun article-strip-headers-in-body ()
2582 "Strip offensive headers from bodies."
2586 (let ((case-fold-search t))
2587 (when (looking-at "x-no-archive:")
2588 (gnus-delete-line)))))
2590 (defun article-strip-leading-blank-lines ()
2591 "Remove all blank lines from the beginning of the article."
2594 (let ((inhibit-point-motion-hooks t)
2595 (inhibit-read-only t))
2596 (when (article-goto-body)
2597 (while (and (not (eobp))
2598 (looking-at "[ \t]*$"))
2599 (gnus-delete-line))))))
2601 (defun article-narrow-to-head ()
2602 "Narrow the buffer to the head of the message.
2603 Point is left at the beginning of the narrowed-to region."
2605 (goto-char (point-min))
2606 (if (search-forward "\n\n" nil 1)
2609 (goto-char (point-min)))
2611 (defun article-goto-body ()
2612 "Place point at the start of the body."
2613 (goto-char (point-min))
2615 ;; This variable is only bound when dealing with separate
2617 (article-goto-body-goes-to-point-min-p
2619 ((search-forward "\n\n" nil t)
2622 (goto-char (point-max))
2625 (defun article-strip-multiple-blank-lines ()
2626 "Replace consecutive blank lines with one empty line."
2629 (let ((inhibit-point-motion-hooks t)
2630 (inhibit-read-only t))
2631 ;; First make all blank lines empty.
2633 (while (re-search-forward "^[ \t]+$" nil t)
2634 (unless (gnus-annotation-in-region-p
2635 (match-beginning 0) (match-end 0))
2636 (replace-match "" nil t)))
2637 ;; Then replace multiple empty lines with a single empty line.
2639 (while (re-search-forward "\n\n\\(\n+\\)" nil t)
2640 (unless (gnus-annotation-in-region-p
2641 (match-beginning 0) (match-end 0))
2642 (delete-region (match-beginning 1) (match-end 1)))))))
2644 (defun article-strip-leading-space ()
2645 "Remove all white space from the beginning of the lines in the article."
2648 (let ((inhibit-point-motion-hooks t)
2649 (inhibit-read-only t))
2651 (while (re-search-forward "^[ \t]+" nil t)
2652 (replace-match "" t t)))))
2654 (defun article-strip-trailing-space ()
2655 "Remove all white space from the end of the lines in the article."
2658 (let ((inhibit-point-motion-hooks t)
2659 (inhibit-read-only t))
2661 (while (re-search-forward "[ \t]+$" nil t)
2662 (replace-match "" t t)))))
2664 (defun article-strip-blank-lines ()
2665 "Strip leading, trailing and multiple blank lines."
2667 (article-strip-leading-blank-lines)
2668 (article-remove-trailing-blank-lines)
2669 (article-strip-multiple-blank-lines))
2671 (defun article-strip-all-blank-lines ()
2672 "Strip all blank lines."
2675 (let ((inhibit-point-motion-hooks t)
2676 (inhibit-read-only t))
2678 (while (re-search-forward "^[ \t]*\n" nil t)
2679 (replace-match "" t t)))))
2681 (defun gnus-article-narrow-to-signature ()
2682 "Narrow to the signature; return t if a signature is found, else nil."
2683 (let ((inhibit-point-motion-hooks t))
2684 (when (gnus-article-search-signature)
2686 ;; Check whether we have some limits to what we consider
2687 ;; to be a signature.
2688 (let ((limits (if (listp gnus-signature-limit) gnus-signature-limit
2689 (list gnus-signature-limit)))
2691 (while (setq limit (pop limits))
2692 (if (or (and (integerp limit)
2693 (< (- (point-max) (point)) limit))
2695 (< (count-lines (point) (point-max)) limit))
2696 (and (functionp limit)
2698 (and (stringp limit)
2699 (not (re-search-forward limit nil t))))
2700 () ; This limit did not succeed.
2704 (narrow-to-region (point) (point-max))
2707 (defun gnus-article-search-signature ()
2708 "Search the current buffer for the signature separator.
2709 Put point at the beginning of the signature separator."
2710 (let ((cur (point)))
2711 (goto-char (point-max))
2712 (if (if (stringp gnus-signature-separator)
2713 (re-search-backward gnus-signature-separator nil t)
2714 (let ((seps gnus-signature-separator))
2716 (not (re-search-backward (car seps) nil t)))
2723 (defun gnus-article-hidden-arg ()
2724 "Return the current prefix arg as a number, or 0 if no prefix."
2725 (list (if current-prefix-arg
2726 (prefix-numeric-value current-prefix-arg)
2729 (defun gnus-article-check-hidden-text (type arg)
2730 "Return nil if hiding is necessary.
2731 Arg can be nil or a number. nil and positive means hide, negative
2732 means show, 0 means toggle."
2735 (let ((hide (gnus-article-hidden-text-p type)))
2741 (gnus-article-show-hidden-text type)
2744 (if (eq hide 'hidden)
2746 (gnus-article-show-hidden-text type)
2750 (defun gnus-article-hidden-text-p (type)
2751 "Say whether the current buffer contains hidden text of type TYPE."
2752 (let ((pos (text-property-any (point-min) (point-max) 'article-type type)))
2754 (not (get-text-property pos 'invisible))
2755 (not (get-text-property pos 'dummy-invisible)))
2757 (text-property-any (1+ pos) (point-max) 'article-type type)))
2762 (defun gnus-article-show-hidden-text (type &optional dummy)
2763 "Show all hidden text of type TYPE.
2764 Originally it is hide instead of DUMMY."
2765 (let ((inhibit-read-only t)
2766 (inhibit-point-motion-hooks t))
2767 (gnus-remove-text-properties-when
2769 (point-min) (point-max)
2770 (cons 'article-type (cons type
2771 gnus-hidden-properties)))
2772 (gnus-delete-wash-type type)))
2774 (defconst article-time-units
2775 `((year . ,(* 365.25 24 60 60))
2776 (week . ,(* 7 24 60 60))
2777 (day . ,(* 24 60 60))
2781 "Mapping from time units to seconds.")
2783 (defun gnus-article-forward-header ()
2784 "Move point to the start of the next header.
2785 If the current header is a continuation header, this can be several
2790 (if (looking-at "[ \t]+[^ \t]")
2794 (defun article-date-ut (&optional type highlight header)
2795 "Convert DATE date to universal time in the current article.
2796 If TYPE is `local', convert to local time; if it is `lapsed', output
2797 how much time has lapsed since DATE. For `lapsed', the value of
2798 `gnus-article-date-lapsed-new-header' says whether the \"X-Sent:\" header
2799 should replace the \"Date:\" one, or should be added below it."
2800 (interactive (list 'ut t))
2801 (let* ((header (or header
2802 (message-fetch-field "date")
2804 (tdate-regexp "^Date:[ \t]\\|^X-Sent:[ \t]")
2807 ((not gnus-article-date-lapsed-new-header)
2813 (date (if (vectorp header) (mail-header-date header)
2815 (inhibit-point-motion-hooks t)
2820 (article-narrow-to-head)
2821 (when (re-search-forward tdate-regexp nil t)
2822 (setq bface (get-text-property (point-at-bol) 'face)
2823 date (or (get-text-property (point-at-bol)
2826 eface (get-text-property (1- (point-at-eol)) 'face))
2828 (when (and date (not (string= date "")))
2829 (goto-char (point-min))
2830 (let ((inhibit-read-only t))
2831 ;; Delete any old Date headers.
2832 (while (re-search-forward date-regexp nil t)
2834 (delete-region (point-at-bol)
2835 (progn (gnus-article-forward-header)
2837 (delete-region (point-at-bol)
2838 (progn (gnus-article-forward-header)
2841 (setq pos (point))))
2842 (when (and (not pos)
2843 (re-search-forward tdate-regexp nil t))
2845 (gnus-goto-char pos)
2846 (insert (article-make-date-line date (or type 'ut)))
2852 (when (looking-at "\\([^:]+\\): *\\(.*\\)$")
2853 (add-text-properties (match-beginning 1) (1+ (match-end 1))
2854 (list 'original-date date 'face bface))
2855 (put-text-property (match-beginning 2) (match-end 2)
2858 (defun article-make-date-line (date type)
2859 "Return a DATE line of TYPE."
2860 (unless (memq type '(local ut original user iso8601 lapsed english))
2861 (error "Unknown conversion type: %s" type))
2863 (let ((time (date-to-time date)))
2865 ;; Convert to the local timezone.
2867 (concat "Date: " (message-make-date time)))
2868 ;; Convert to Universal Time.
2873 (let* ((e (parse-time-string date))
2874 (tm (apply 'encode-time e))
2876 (ls (- (cadr tm) (car (current-time-zone time)))))
2877 (cond ((< ls 0) (list (1- ms) (+ ls 65536)))
2878 ((> ls 65535) (list (1+ ms) (- ls 65536)))
2882 ;; Get the original date from the article.
2883 ((eq type 'original)
2884 (concat "Date: " (if (string-match "\n+$" date)
2885 (substring date 0 (match-beginning 0))
2887 ;; Let the user define the format.
2889 (let ((format (or (condition-case nil
2890 (with-current-buffer gnus-summary-buffer
2891 gnus-article-time-format)
2893 gnus-article-time-format)))
2894 (if (functionp format)
2895 (funcall format time)
2896 (concat "Date: " (format-time-string format time)))))
2899 (let ((tz (car (current-time-zone time))))
2902 (format-time-string "%Y%m%dT%H%M%S" time)
2903 (format "%s%02d%02d"
2904 (if (> tz 0) "+" "-") (/ (abs tz) 3600)
2905 (/ (% (abs tz) 3600) 60)))))
2906 ;; Do an X-Sent lapsed format.
2908 ;; If the date is seriously mangled, the timezone functions are
2909 ;; liable to bug out, so we ignore all errors.
2910 (let* ((now (current-time))
2911 (real-time (subtract-time now time))
2912 (real-sec (and real-time
2913 (+ (* (float (car real-time)) 65536)
2915 (sec (and real-time (abs real-sec)))
2925 ;; This is a bit convoluted, but basically we go
2926 ;; through the time units for years, weeks, etc,
2927 ;; and divide things to see whether that results
2928 ;; in positive answers.
2931 (if (zerop (setq num (ffloor (/ sec (cdr unit)))))
2932 ;; The (remaining) seconds are too few to
2933 ;; be divided into this time unit.
2935 ;; It's big enough, so we output it.
2936 (setq sec (- sec (* num (cdr unit))))
2938 (concat (if prev ", " "") (int-to-string
2940 " " (symbol-name (car unit))
2941 (if (> num 1) "s" ""))
2943 article-time-units "")
2944 ;; If dates are odd, then it might appear like the
2945 ;; article was sent in the future.
2948 " in the future"))))))
2949 ;; Display the date in proper English
2951 (let ((dtime (decode-time time)))
2954 (number-to-string (nth 3 dtime))
2955 (let ((digit (% (nth 3 dtime) 10)))
2957 ((memq (nth 3 dtime) '(11 12 13)) "th")
2963 (nth (1- (nth 4 dtime)) gnus-english-month-names)
2965 (number-to-string (nth 5 dtime))
2967 (format "%02d" (nth 2 dtime))
2969 (format "%02d" (nth 1 dtime)))))))
2971 (format "Date: %s (from Gnus)" date))))
2973 (defun article-date-local (&optional highlight)
2974 "Convert the current article date to the local timezone."
2975 (interactive (list t))
2976 (article-date-ut 'local highlight))
2978 (defun article-date-english (&optional highlight)
2979 "Convert the current article date to something that is proper English."
2980 (interactive (list t))
2981 (article-date-ut 'english highlight))
2983 (defun article-date-original (&optional highlight)
2984 "Convert the current article date to what it was originally.
2985 This is only useful if you have used some other date conversion
2986 function and want to see what the date was before converting."
2987 (interactive (list t))
2988 (article-date-ut 'original highlight))
2990 (defun article-date-lapsed (&optional highlight)
2991 "Convert the current article date to time lapsed since it was sent."
2992 (interactive (list t))
2993 (article-date-ut 'lapsed highlight))
2995 (defun article-update-date-lapsed ()
2996 "Function to be run from a timer to update the lapsed time line."
2997 (let (deactivate-mark)
3002 (set-buffer (window-buffer w))
3003 (when (eq major-mode 'gnus-article-mode)
3004 (let ((mark (point-marker)))
3005 (goto-char (point-min))
3006 (when (re-search-forward "^X-Sent:" nil t)
3007 (article-date-lapsed t))
3008 (goto-char (marker-position mark))
3009 (move-marker mark nil))))
3012 (defun gnus-start-date-timer (&optional n)
3013 "Start a timer to update the X-Sent header in the article buffers.
3014 The numerical prefix says how frequently (in seconds) the function
3019 (gnus-stop-date-timer)
3020 (setq article-lapsed-timer
3021 (run-at-time 1 n 'article-update-date-lapsed)))
3023 (defun gnus-stop-date-timer ()
3024 "Stop the X-Sent timer."
3026 (when article-lapsed-timer
3027 (nnheader-cancel-timer article-lapsed-timer)
3028 (setq article-lapsed-timer nil)))
3030 (defun article-date-user (&optional highlight)
3031 "Convert the current article date to the user-defined format.
3032 This format is defined by the `gnus-article-time-format' variable."
3033 (interactive (list t))
3034 (article-date-ut 'user highlight))
3036 (defun article-date-iso8601 (&optional highlight)
3037 "Convert the current article date to ISO8601."
3038 (interactive (list t))
3039 (article-date-ut 'iso8601 highlight))
3041 ;; (defun article-show-all ()
3042 ;; "Show all hidden text in the article buffer."
3045 ;; (let ((inhibit-read-only t))
3046 ;; (gnus-article-unhide-text (point-min) (point-max)))))
3048 (defun article-remove-leading-whitespace ()
3049 "Remove excessive whitespace from all headers."
3053 (let ((inhibit-read-only t))
3054 (article-narrow-to-head)
3055 (goto-char (point-min))
3056 (while (re-search-forward "^[^ :]+: \\([ \t]+\\)" nil t)
3057 (delete-region (match-beginning 1) (match-end 1)))))))
3059 (defun article-emphasize (&optional arg)
3060 "Emphasize text according to `gnus-emphasis-alist'."
3061 (interactive (gnus-article-hidden-arg))
3062 (unless (gnus-article-check-hidden-text 'emphasis arg)
3066 (with-current-buffer gnus-summary-buffer
3067 gnus-article-emphasis-alist)
3069 gnus-emphasis-alist))
3070 (inhibit-read-only t)
3071 (props (append '(article-type emphasis)
3072 gnus-hidden-properties))
3073 regexp elem beg invisible visible face)
3076 (while (setq elem (pop alist))
3078 (setq regexp (car elem)
3079 invisible (nth 1 elem)
3080 visible (nth 2 elem)
3082 (while (re-search-forward regexp nil t)
3083 (when (and (match-beginning visible) (match-beginning invisible))
3084 (gnus-article-hide-text
3085 (match-beginning invisible) (match-end invisible) props)
3086 (gnus-article-unhide-text-type
3087 (match-beginning visible) (match-end visible) 'emphasis)
3088 (gnus-put-overlay-excluding-newlines
3089 (match-beginning visible) (match-end visible) 'face face)
3090 (gnus-add-wash-type 'emphasis)
3091 (goto-char (match-end invisible)))))))))
3093 (defun gnus-article-setup-highlight-words (&optional highlight-words)
3094 "Setup newsgroup emphasis alist."
3095 (unless gnus-article-emphasis-alist
3096 (let ((name (and gnus-newsgroup-name
3097 (gnus-group-real-name gnus-newsgroup-name))))
3098 (make-local-variable 'gnus-article-emphasis-alist)
3099 (setq gnus-article-emphasis-alist
3101 (let ((alist gnus-group-highlight-words-alist) elem highlight)
3102 (while (setq elem (pop alist))
3103 (when (and name (string-match (car elem) name))
3105 highlight (copy-sequence (cdr elem)))))
3107 (copy-sequence highlight-words)
3108 (if gnus-newsgroup-name
3109 (copy-sequence (gnus-group-find-parameter
3110 gnus-newsgroup-name 'highlight-words t)))
3111 gnus-emphasis-alist)))))
3114 (defvar gnus-summary-article-menu)
3115 (defvar gnus-summary-post-menu))
3117 ;;; Saving functions.
3119 (defun gnus-article-save (save-buffer file &optional num)
3120 "Save the currently selected article."
3121 (unless gnus-save-all-headers
3122 ;; Remove headers according to `gnus-saved-headers'.
3123 (let ((gnus-visible-headers
3124 (or gnus-saved-headers gnus-visible-headers))
3125 (gnus-article-buffer save-buffer))
3127 (set-buffer save-buffer)
3128 (article-hide-headers 1 t))))
3129 (save-window-excursion
3130 (if (not gnus-default-article-saver)
3131 (error "No default saver is defined")
3132 ;; !!! Magic! The saving functions all save
3133 ;; `gnus-save-article-buffer' (or so they think), but we
3134 ;; bind that variable to our save-buffer.
3135 (set-buffer gnus-article-buffer)
3136 (let* ((gnus-save-article-buffer save-buffer)
3139 ((not gnus-prompt-before-saving) 'default)
3140 ((eq gnus-prompt-before-saving 'always) nil)
3142 (gnus-number-of-articles-to-be-saved
3143 (when (eq gnus-prompt-before-saving t)
3145 (set-buffer gnus-article-current-summary)
3146 (funcall gnus-default-article-saver filename)))))
3148 (defun gnus-read-save-file-name (prompt &optional filename
3149 function group headers variable)
3151 (funcall function group headers (symbol-value variable)))
3156 ((eq filename 'default)
3162 (let* ((split-name (gnus-get-split-value gnus-split-methods))
3165 (if (and gnus-number-of-articles-to-be-saved
3166 (> gnus-number-of-articles-to-be-saved 1))
3167 (format "these %d articles"
3168 gnus-number-of-articles-to-be-saved)
3171 ;; Let the split methods have their say.
3173 ;; No split name was found.
3176 (concat prompt " (default "
3177 (file-name-nondirectory default-name) ") ")
3178 (file-name-directory default-name)
3180 ;; A single group name is returned.
3181 ((stringp split-name)
3183 (funcall function split-name headers
3184 (symbol-value variable)))
3186 (concat prompt " (default "
3187 (file-name-nondirectory default-name) ") ")
3188 (file-name-directory default-name)
3190 ;; A single split name was found
3191 ((= 1 (length split-name))
3192 (let* ((name (expand-file-name
3194 gnus-article-save-directory))
3195 (dir (cond ((file-directory-p name)
3196 (file-name-as-directory name))
3197 ((file-exists-p name) name)
3198 (t gnus-article-save-directory))))
3200 (concat prompt " (default " name ") ")
3202 ;; A list of splits was found.
3204 (setq split-name (nreverse split-name))
3206 (let ((file-name-history
3207 (nconc split-name file-name-history)))
3211 (concat prompt " (`M-p' for defaults) ")
3212 gnus-article-save-directory
3214 gnus-article-save-directory)))
3215 (car (push result file-name-history)))))))
3216 ;; Create the directory.
3217 (gnus-make-directory (file-name-directory file))
3218 ;; If we have read a directory, we append the default file name.
3219 (when (file-directory-p file)
3220 (setq file (expand-file-name (file-name-nondirectory
3222 (file-name-as-directory file))))
3223 ;; Possibly translate some characters.
3224 (nnheader-translate-file-chars file))))))
3225 (gnus-make-directory (file-name-directory result))
3226 (set variable result)))
3228 (defun gnus-article-archive-name (group)
3229 "Return the first instance of an \"Archive-name\" in the current buffer."
3230 (let ((case-fold-search t))
3231 (when (re-search-forward "archive-name: *\\([^ \n\t]+\\)[ \t]*$" nil t)
3232 (nnheader-concat gnus-article-save-directory
3233 (match-string 1)))))
3235 (defun gnus-article-nndoc-name (group)
3236 "If GROUP is an nndoc group, return the name of the parent group."
3237 (when (eq (car (gnus-find-method-for-group group)) 'nndoc)
3238 (gnus-group-get-parameter group 'save-article-group)))
3240 (defun gnus-summary-save-in-rmail (&optional filename)
3241 "Append this article to Rmail file.
3242 Optional argument FILENAME specifies file name.
3243 Directory to save to is default to `gnus-article-save-directory'."
3244 (setq filename (gnus-read-save-file-name
3245 "Save %s in rmail file:" filename
3246 gnus-rmail-save-name gnus-newsgroup-name
3247 gnus-current-headers 'gnus-newsgroup-last-rmail))
3248 (gnus-eval-in-buffer-window gnus-save-article-buffer
3252 (gnus-output-to-rmail filename))))
3255 (defun gnus-summary-save-in-mail (&optional filename)
3256 "Append this article to Unix mail file.
3257 Optional argument FILENAME specifies file name.
3258 Directory to save to is default to `gnus-article-save-directory'."
3259 (setq filename (gnus-read-save-file-name
3260 "Save %s in Unix mail file:" filename
3261 gnus-mail-save-name gnus-newsgroup-name
3262 gnus-current-headers 'gnus-newsgroup-last-mail))
3263 (gnus-eval-in-buffer-window gnus-save-article-buffer
3267 (if (and (file-readable-p filename)
3268 (file-regular-p filename)
3269 (mail-file-babyl-p filename))
3270 (rmail-output-to-rmail-file filename t)
3271 (gnus-output-to-mail filename)))))
3274 (defun gnus-summary-save-in-file (&optional filename overwrite)
3275 "Append this article to file.
3276 Optional argument FILENAME specifies file name.
3277 Directory to save to is default to `gnus-article-save-directory'."
3278 (setq filename (gnus-read-save-file-name
3279 "Save %s in file:" filename
3280 gnus-file-save-name gnus-newsgroup-name
3281 gnus-current-headers 'gnus-newsgroup-last-file))
3282 (gnus-eval-in-buffer-window gnus-save-article-buffer
3286 (when (and overwrite
3287 (file-exists-p filename))
3288 (delete-file filename))
3289 (gnus-output-to-file filename))))
3292 (defun gnus-summary-write-to-file (&optional filename)
3293 "Write this article to a file, overwriting it if the file exists.
3294 Optional argument FILENAME specifies file name.
3295 The directory to save in defaults to `gnus-article-save-directory'."
3296 (gnus-summary-save-in-file nil t))
3298 (defun gnus-summary-save-body-in-file (&optional filename)
3299 "Append this article body to a file.
3300 Optional argument FILENAME specifies file name.
3301 The directory to save in defaults to `gnus-article-save-directory'."
3302 (setq filename (gnus-read-save-file-name
3303 "Save %s body in file:" filename
3304 gnus-file-save-name gnus-newsgroup-name
3305 gnus-current-headers 'gnus-newsgroup-last-file))
3306 (gnus-eval-in-buffer-window gnus-save-article-buffer
3310 (when (article-goto-body)
3311 (narrow-to-region (point) (point-max)))
3312 (gnus-output-to-file filename))))
3315 (defun gnus-summary-save-in-pipe (&optional command)
3316 "Pipe this article to subprocess."
3318 (cond ((and (eq command 'default)
3319 gnus-last-shell-command)
3320 gnus-last-shell-command)
3325 "Shell command on %s: "
3326 (if (and gnus-number-of-articles-to-be-saved
3327 (> gnus-number-of-articles-to-be-saved 1))
3328 (format "these %d articles"
3329 gnus-number-of-articles-to-be-saved)
3331 gnus-last-shell-command))))
3332 (when (string-equal command "")
3333 (if gnus-last-shell-command
3334 (setq command gnus-last-shell-command)
3335 (error "A command is required")))
3336 (gnus-eval-in-buffer-window gnus-article-buffer
3339 (shell-command-on-region (point-min) (point-max) command nil)))
3340 (setq gnus-last-shell-command command))
3342 (defun gnus-summary-pipe-to-muttprint (&optional command)
3343 "Pipe this article to muttprint."
3344 (setq command (read-string
3345 "Print using command: " gnus-summary-muttprint-program
3346 nil gnus-summary-muttprint-program))
3347 (gnus-summary-save-in-pipe command))
3349 ;;; Article file names when saving.
3351 (defun gnus-capitalize-newsgroup (newsgroup)
3352 "Capitalize NEWSGROUP name."
3353 (when (not (zerop (length newsgroup)))
3354 (concat (char-to-string (upcase (aref newsgroup 0)))
3355 (substring newsgroup 1))))
3357 (defun gnus-Numeric-save-name (newsgroup headers &optional last-file)
3358 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3359 If variable `gnus-use-long-file-name' is non-nil, it is ~/News/News.group/num.
3360 Otherwise, it is like ~/News/news/group/num."
3363 (concat (if (gnus-use-long-file-name 'not-save)
3364 (gnus-capitalize-newsgroup newsgroup)
3365 (gnus-newsgroup-directory-form newsgroup))
3366 "/" (int-to-string (mail-header-number headers)))
3367 gnus-article-save-directory)))
3369 (string-equal (file-name-directory default)
3370 (file-name-directory last-file))
3371 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
3373 (or last-file default))))
3375 (defun gnus-numeric-save-name (newsgroup headers &optional last-file)
3376 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3377 If variable `gnus-use-long-file-name' is non-nil, it is
3378 ~/News/news.group/num. Otherwise, it is like ~/News/news/group/num."
3381 (concat (if (gnus-use-long-file-name 'not-save)
3383 (gnus-newsgroup-directory-form newsgroup))
3384 "/" (int-to-string (mail-header-number headers)))
3385 gnus-article-save-directory)))
3387 (string-equal (file-name-directory default)
3388 (file-name-directory last-file))
3389 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
3391 (or last-file default))))
3393 (defun gnus-plain-save-name (newsgroup headers &optional last-file)
3394 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3395 If variable `gnus-use-long-file-name' is non-nil, it is
3396 ~/News/news.group. Otherwise, it is like ~/News/news/group/news."
3399 (if (gnus-use-long-file-name 'not-save)
3402 (expand-file-name "news" (gnus-newsgroup-directory-form newsgroup))
3404 gnus-article-save-directory)))
3406 (defun gnus-sender-save-name (newsgroup headers &optional last-file)
3407 "Generate file name from sender."
3408 (let ((from (mail-header-from headers)))
3410 (if (and from (string-match "\\([^ <]+\\)@" from))
3411 (match-string 1 from)
3413 gnus-article-save-directory)))
3415 (defun article-verify-x-pgp-sig ()
3418 (if (gnus-buffer-live-p gnus-original-article-buffer)
3419 (let ((sig (with-current-buffer gnus-original-article-buffer
3420 (gnus-fetch-field "X-PGP-Sig")))
3424 (mml2015-clear-verify-function))
3426 (insert-buffer-substring gnus-original-article-buffer)
3427 (setq items (split-string sig))
3428 (message-narrow-to-head)
3429 (let ((inhibit-point-motion-hooks t)
3430 (case-fold-search t))
3431 ;; Don't verify multiple headers.
3432 (setq headers (mapconcat (lambda (header)
3434 (mail-fetch-field header)
3436 (split-string (nth 1 items) ",") "")))
3437 (delete-region (point-min) (point-max))
3438 (insert "-----BEGIN PGP SIGNED MESSAGE-----\n\n")
3439 (insert "X-Signed-Headers: " (nth 1 items) "\n")
3444 (if (looking-at "^-")
3447 (insert "\n-----BEGIN PGP SIGNATURE-----\n")
3448 (insert "Version: " (car items) "\n\n")
3449 (insert (mapconcat 'identity (cddr items) "\n"))
3450 (insert "\n-----END PGP SIGNATURE-----\n")
3451 (let ((mm-security-handle (list (format "multipart/signed"))))
3452 (mml2015-clean-buffer)
3453 (let ((coding-system-for-write (or gnus-newsgroup-charset
3455 (funcall (mml2015-clear-verify-function)))
3457 (or (mm-handle-multipart-ctl-parameter
3458 mm-security-handle 'gnus-details)
3459 (mm-handle-multipart-ctl-parameter
3460 mm-security-handle 'gnus-info)))))
3462 (let ((inhibit-read-only t) bface eface)
3464 (message-narrow-to-head)
3465 (goto-char (point-max))
3467 (setq bface (get-text-property (point-at-bol) 'face)
3468 eface (get-text-property (1- (point-at-eol)) 'face))
3469 (message-remove-header "X-Gnus-PGP-Verify")
3470 (if (re-search-forward "^X-PGP-Sig:" nil t)
3472 (goto-char (point-max)))
3473 (narrow-to-region (point) (point))
3474 (insert "X-Gnus-PGP-Verify: " info "\n")
3475 (goto-char (point-min))
3478 (if (not (looking-at "^[ \t]"))
3482 (goto-char (point-min))
3483 (when (looking-at "\\([^:]+\\): *")
3484 (put-text-property (match-beginning 1) (1+ (match-end 1))
3486 (put-text-property (match-end 0) (point-max)
3487 'face eface)))))))))
3489 (defun article-verify-cancel-lock ()
3490 "Verify Cancel-Lock header."
3492 (if (gnus-buffer-live-p gnus-original-article-buffer)
3493 (canlock-verify gnus-original-article-buffer)))
3500 (setq afunc (car func)
3503 gfunc (intern (format "gnus-%s" func))))
3505 (when (fboundp afunc)
3506 `(lambda (&optional interactive &rest args)
3507 ,(documentation afunc t)
3508 (interactive (list t))
3510 (set-buffer gnus-article-buffer)
3512 (call-interactively ',afunc)
3513 (apply ',afunc args))))))))
3514 '(article-hide-headers
3515 article-verify-x-pgp-sig
3516 article-verify-cancel-lock
3517 article-hide-boring-headers
3518 article-treat-overstrike
3519 article-treat-ansi-sequences
3520 article-fill-long-lines
3521 article-capitalize-sentences
3523 article-remove-leading-whitespace
3524 article-display-x-face
3525 article-display-face
3526 article-de-quoted-unreadable
3527 article-de-base64-unreadable
3530 article-unsplit-urls
3531 article-hide-list-identifiers
3532 article-strip-banner
3535 article-hide-signature
3536 article-strip-headers-in-body
3537 article-remove-trailing-blank-lines
3538 article-strip-leading-blank-lines
3539 article-strip-multiple-blank-lines
3540 article-strip-leading-space
3541 article-strip-trailing-space
3542 article-strip-blank-lines
3543 article-strip-all-blank-lines
3545 article-date-english
3546 article-date-iso8601
3547 article-date-original
3549 article-decode-mime-words
3550 article-decode-charset
3551 article-decode-encoded-words
3555 article-treat-dumbquotes
3556 article-normalize-headers
3557 ;; (article-show-all . gnus-article-show-all-headers)
3561 ;;; Gnus article mode
3564 (put 'gnus-article-mode 'mode-class 'special)
3566 (set-keymap-parent gnus-article-mode-map widget-keymap)
3568 (gnus-define-keys gnus-article-mode-map
3569 " " gnus-article-goto-next-page
3570 "\177" gnus-article-goto-prev-page
3571 [delete] gnus-article-goto-prev-page
3572 [backspace] gnus-article-goto-prev-page
3573 "\C-c^" gnus-article-refer-article
3574 "h" gnus-article-show-summary
3575 "s" gnus-article-show-summary
3576 "\C-c\C-m" gnus-article-mail
3577 "?" gnus-article-describe-briefly
3578 "e" gnus-summary-edit-article
3579 "<" beginning-of-buffer
3581 "\C-c\C-i" gnus-info-find-node
3583 "R" gnus-article-reply-with-original
3584 "F" gnus-article-followup-with-original
3585 "\C-hk" gnus-article-describe-key
3586 "\C-hc" gnus-article-describe-key-briefly
3588 "\C-d" gnus-article-read-summary-keys
3589 "\M-*" gnus-article-read-summary-keys
3590 "\M-#" gnus-article-read-summary-keys
3591 "\M-^" gnus-article-read-summary-keys
3592 "\M-g" gnus-article-read-summary-keys)
3594 (substitute-key-definition
3595 'undefined 'gnus-article-read-summary-keys gnus-article-mode-map)
3597 (defun gnus-article-make-menu-bar ()
3598 (unless (boundp 'gnus-article-commands-menu)
3599 (gnus-summary-make-menu-bar))
3600 (gnus-turn-off-edit-menu 'article)
3601 (unless (boundp 'gnus-article-article-menu)
3603 gnus-article-article-menu gnus-article-mode-map ""
3605 ["Scroll forwards" gnus-article-goto-next-page t]
3606 ["Scroll backwards" gnus-article-goto-prev-page t]
3607 ["Show summary" gnus-article-show-summary t]
3608 ["Fetch Message-ID at point" gnus-article-refer-article t]
3609 ["Mail to address at point" gnus-article-mail t]
3610 ["Send a bug report" gnus-bug t]))
3613 gnus-article-treatment-menu gnus-article-mode-map ""
3614 ;; Fixme: this should use :active (and maybe :visible).
3616 ["Hide headers" gnus-article-hide-headers t]
3617 ["Hide signature" gnus-article-hide-signature t]
3618 ["Hide citation" gnus-article-hide-citation t]
3619 ["Treat overstrike" gnus-article-treat-overstrike t]
3620 ["Treat ANSI sequences" gnus-article-treat-ansi-sequences t]
3621 ["Remove carriage return" gnus-article-remove-cr t]
3622 ["Remove leading whitespace" gnus-article-remove-leading-whitespace t]
3623 ["Remove quoted-unreadable" gnus-article-de-quoted-unreadable t]
3624 ["Remove base64" gnus-article-de-base64-unreadable t]
3625 ["Treat html" gnus-article-wash-html t]
3626 ["Remove newlines from within URLs" gnus-article-unsplit-urls t]
3627 ["Decode HZ" gnus-article-decode-HZ t]))
3629 ;; Note "Commands" menu is defined in gnus-sum.el for consistency
3631 ;; Note "Post" menu is defined in gnus-sum.el for consistency
3633 (gnus-run-hooks 'gnus-article-menu-hook)))
3635 (defun gnus-article-mode ()
3636 "Major mode for displaying an article.
3638 All normal editing commands are switched off.
3640 The following commands are available in addition to all summary mode
3642 \\<gnus-article-mode-map>
3643 \\[gnus-article-next-page]\t Scroll the article one page forwards
3644 \\[gnus-article-prev-page]\t Scroll the article one page backwards
3645 \\[gnus-article-refer-article]\t Go to the article referred to by an article id near point
3646 \\[gnus-article-show-summary]\t Display the summary buffer
3647 \\[gnus-article-mail]\t Send a reply to the address near point
3648 \\[gnus-article-describe-briefly]\t Describe the current mode briefly
3649 \\[gnus-info-find-node]\t Go to the Gnus info node"
3651 (gnus-simplify-mode-line)
3652 (setq mode-name "Article")
3653 (setq major-mode 'gnus-article-mode)
3654 (make-local-variable 'minor-mode-alist)
3655 (use-local-map gnus-article-mode-map)
3656 (when (gnus-visual-p 'article-menu 'menu)
3657 (gnus-article-make-menu-bar)
3658 (when gnus-summary-tool-bar-map
3659 (set (make-local-variable 'tool-bar-map) gnus-summary-tool-bar-map)))
3660 (gnus-update-format-specifications nil 'article-mode)
3661 (set (make-local-variable 'page-delimiter) gnus-page-delimiter)
3662 (set (make-local-variable 'gnus-page-broken) nil)
3663 (make-local-variable 'gnus-button-marker-list)
3664 (make-local-variable 'gnus-article-current-summary)
3665 (make-local-variable 'gnus-article-mime-handles)
3666 (make-local-variable 'gnus-article-decoded-p)
3667 (make-local-variable 'gnus-article-mime-handle-alist)
3668 (make-local-variable 'gnus-article-wash-types)
3669 (make-local-variable 'gnus-article-image-alist)
3670 (make-local-variable 'gnus-article-charset)
3671 (make-local-variable 'gnus-article-ignored-charsets)
3672 (gnus-set-default-directory)
3673 (buffer-disable-undo)
3674 (setq buffer-read-only t
3675 show-trailing-whitespace nil)
3676 (set-syntax-table gnus-article-mode-syntax-table)
3677 (mm-enable-multibyte)
3678 (gnus-run-hooks 'gnus-article-mode-hook))
3680 (defun gnus-article-setup-buffer ()
3681 "Initialize the article buffer."
3682 (let* ((name (if gnus-single-article-buffer "*Article*"
3683 (concat "*Article " gnus-newsgroup-name "*")))
3685 (progn (string-match "\\*Article" name)
3686 (concat " *Original Article"
3687 (substring name (match-end 0))))))
3688 (setq gnus-article-buffer name)
3689 (setq gnus-original-article-buffer original)
3690 (setq gnus-article-mime-handle-alist nil)
3691 ;; This might be a variable local to the summary buffer.
3692 (unless gnus-single-article-buffer
3694 (set-buffer gnus-summary-buffer)
3695 (setq gnus-article-buffer name)
3696 (setq gnus-original-article-buffer original)
3697 (gnus-set-global-variables)))
3698 (gnus-article-setup-highlight-words)
3699 ;; Init original article buffer.
3701 (set-buffer (gnus-get-buffer-create gnus-original-article-buffer))
3702 (mm-enable-multibyte)
3703 (setq major-mode 'gnus-original-article-mode)
3704 (make-local-variable 'gnus-original-article))
3705 (if (get-buffer name)
3708 (when (and gnus-article-edit-mode
3711 (y-or-n-p "Article mode edit in progress; discard? ")))
3712 (error "Action aborted"))
3713 (set (make-local-variable 'gnus-article-edit-mode) nil)
3714 (when gnus-article-mime-handles
3715 (mm-destroy-parts gnus-article-mime-handles)
3716 (setq gnus-article-mime-handles nil))
3717 ;; Set it to nil in article-buffer!
3718 (setq gnus-article-mime-handle-alist nil)
3719 (buffer-disable-undo)
3720 (setq buffer-read-only t)
3721 ;; This list just keeps growing if we don't reset it.
3722 (setq gnus-button-marker-list nil)
3723 (unless (eq major-mode 'gnus-article-mode)
3724 (gnus-article-mode))
3727 (set-buffer (gnus-get-buffer-create name))
3729 (make-local-variable 'gnus-summary-buffer)
3730 (gnus-summary-set-local-parameters gnus-newsgroup-name)
3731 (current-buffer)))))
3733 ;; Set article window start at LINE, where LINE is the number of lines
3734 ;; from the head of the article.
3735 (defun gnus-article-set-window-start (&optional line)
3737 (gnus-get-buffer-window gnus-article-buffer t)
3739 (set-buffer gnus-article-buffer)
3740 (goto-char (point-min))
3743 (gnus-message 6 "Moved to bookmark")
3744 (search-forward "\n\n" nil t)
3748 (defun gnus-article-prepare (article &optional all-headers header)
3749 "Prepare ARTICLE in article mode buffer.
3750 ARTICLE should either be an article number or a Message-ID.
3751 If ARTICLE is an id, HEADER should be the article headers.
3752 If ALL-HEADERS is non-nil, no headers are hidden."
3754 ;; Make sure we start in a summary buffer.
3755 (unless (eq major-mode 'gnus-summary-mode)
3756 (set-buffer gnus-summary-buffer))
3757 (setq gnus-summary-buffer (current-buffer))
3758 (let* ((gnus-article (if header (mail-header-number header) article))
3759 (summary-buffer (current-buffer))
3760 (gnus-tmp-internal-hook gnus-article-internal-prepare-hook)
3761 (group gnus-newsgroup-name)
3764 (gnus-article-setup-buffer)
3765 (set-buffer gnus-article-buffer)
3766 ;; Deactivate active regions.
3767 (when (and (boundp 'transient-mark-mode)
3768 transient-mark-mode)
3769 (setq mark-active nil))
3770 (if (not (setq result (let ((inhibit-read-only t))
3771 (gnus-request-article-this-buffer
3773 ;; There is no such article.
3775 (when (and (numberp article)
3776 (not (memq article gnus-newsgroup-sparse)))
3777 (setq gnus-article-current
3778 (cons gnus-newsgroup-name article))
3779 (set-buffer gnus-summary-buffer)
3780 (setq gnus-current-article article)
3781 (if (and (memq article gnus-newsgroup-undownloaded)
3782 (not (gnus-online (gnus-find-method-for-group
3783 gnus-newsgroup-name))))
3785 (gnus-summary-set-agent-mark article)
3786 (message "Message marked for downloading"))
3787 (gnus-summary-mark-article article gnus-canceled-mark)
3788 (unless (memq article gnus-newsgroup-sparse)
3789 (gnus-error 1 "No such article (may have expired or been canceled)")))))
3790 (if (or (eq result 'pseudo)
3791 (eq result 'nneething))
3794 (set-buffer summary-buffer)
3795 (push article gnus-newsgroup-history)
3796 (setq gnus-last-article gnus-current-article
3797 gnus-current-article 0
3798 gnus-current-headers nil
3799 gnus-article-current nil)
3800 (if (eq result 'nneething)
3801 (gnus-configure-windows 'summary)
3802 (gnus-configure-windows 'article))
3803 (gnus-set-global-variables))
3804 (let ((gnus-article-mime-handle-alist-1
3805 gnus-article-mime-handle-alist))
3806 (gnus-set-mode-line 'article)))
3807 ;; The result from the `request' was an actual article -
3808 ;; or at least some text that is now displayed in the
3810 (when (and (numberp article)
3811 (not (eq article gnus-current-article)))
3812 ;; Seems like a new article has been selected.
3813 ;; `gnus-current-article' must be an article number.
3815 (set-buffer summary-buffer)
3816 (push article gnus-newsgroup-history)
3817 (setq gnus-last-article gnus-current-article
3818 gnus-current-article article
3819 gnus-current-headers
3820 (gnus-summary-article-header gnus-current-article)
3821 gnus-article-current
3822 (cons gnus-newsgroup-name gnus-current-article))
3823 (unless (vectorp gnus-current-headers)
3824 (setq gnus-current-headers nil))
3825 (gnus-summary-goto-subject gnus-current-article)
3826 (when (gnus-summary-show-thread)
3827 ;; If the summary buffer really was folded, the
3828 ;; previous goto may not actually have gone to
3829 ;; the right article, but the thread root instead.
3831 (gnus-summary-goto-subject gnus-current-article))
3832 (gnus-run-hooks 'gnus-mark-article-hook)
3833 (gnus-set-mode-line 'summary)
3834 (when (gnus-visual-p 'article-highlight 'highlight)
3835 (gnus-run-hooks 'gnus-visual-mark-article-hook))
3836 ;; Set the global newsgroup variables here.
3837 (gnus-set-global-variables)
3838 (setq gnus-have-all-headers
3839 (or all-headers gnus-show-all-headers))))
3841 (gnus-configure-windows 'article))
3842 (when (or (numberp article)
3844 (gnus-article-prepare-display)
3846 (goto-char (point-min))
3847 (when gnus-break-pages
3848 (gnus-narrow-to-page)))
3849 (let ((gnus-article-mime-handle-alist-1
3850 gnus-article-mime-handle-alist))
3851 (gnus-set-mode-line 'article))
3855 (set-window-point (get-buffer-window (current-buffer)) (point))
3856 (gnus-configure-windows 'article)
3860 (defun gnus-article-prepare-display ()
3861 "Make the current buffer look like a nice article."
3862 ;; Hooks for getting information from the article.
3863 ;; This hook must be called before being narrowed.
3864 (let ((gnus-article-buffer (current-buffer))
3866 (inhibit-read-only t))
3867 (unless (eq major-mode 'gnus-article-mode)
3868 (gnus-article-mode))
3869 (setq buffer-read-only nil
3870 gnus-article-wash-types nil
3871 gnus-article-image-alist nil)
3872 (gnus-run-hooks 'gnus-tmp-internal-hook)
3873 (when gnus-display-mime-function
3874 (funcall gnus-display-mime-function))
3875 (gnus-run-hooks 'gnus-article-prepare-hook)))
3878 ;;; Gnus MIME viewing functions
3881 (defvar gnus-mime-button-line-format "%{%([%p. %d%T]%)%}%e\n"
3882 "Format of the MIME buttons.
3884 Valid specifiers include:
3886 %T MIME type, along with additional info
3887 %n The `name' parameter
3888 %d The description, if any
3889 %l The length of the encoded part
3890 %p The part identifier number
3891 %e Dots if the part isn't displayed
3893 General format specifiers can also be used. See Info node
3894 `(gnus)Formatting Variables'.")
3896 (defvar gnus-mime-button-line-format-alist
3897 '((?t gnus-tmp-type ?s)
3898 (?T gnus-tmp-type-long ?s)
3899 (?n gnus-tmp-name ?s)
3900 (?d gnus-tmp-description ?s)
3902 (?l gnus-tmp-length ?d)
3903 (?e gnus-tmp-dots ?s)))
3905 (defvar gnus-mime-button-commands
3906 '((gnus-article-press-button "\r" "Toggle Display")
3907 (gnus-mime-view-part "v" "View Interactively...")
3908 (gnus-mime-view-part-as-type "t" "View As Type...")
3909 (gnus-mime-view-part-as-charset "C" "View As charset...")
3910 (gnus-mime-save-part "o" "Save...")
3911 (gnus-mime-save-part-and-strip "\C-o" "Save and Strip")
3912 (gnus-mime-delete-part "d" "Delete part")
3913 (gnus-mime-copy-part "c" "View As Text, In Other Buffer")
3914 (gnus-mime-inline-part "i" "View As Text, In This Buffer")
3915 (gnus-mime-view-part-internally "E" "View Internally")
3916 (gnus-mime-view-part-externally "e" "View Externally")
3917 (gnus-mime-print-part "p" "Print")
3918 (gnus-mime-pipe-part "|" "Pipe To Command...")
3919 (gnus-mime-action-on-part "." "Take action on the part...")))
3921 (defun gnus-article-mime-part-status ()
3922 (if gnus-article-mime-handle-alist-1
3923 (if (eq 1 (length gnus-article-mime-handle-alist-1))
3925 (format " (%d parts)" (length gnus-article-mime-handle-alist-1)))
3928 (defvar gnus-mime-button-map
3929 (let ((map (make-sparse-keymap)))
3930 (define-key map gnus-mouse-2 'gnus-article-push-button)
3931 (define-key map gnus-down-mouse-3 'gnus-mime-button-menu)
3932 (dolist (c gnus-mime-button-commands)
3933 (define-key map (cadr c) (car c)))
3937 gnus-mime-button-menu gnus-mime-button-map "MIME button menu."
3939 ,@(mapcar (lambda (c)
3940 (vector (caddr c) (car c) :enable t))
3941 gnus-mime-button-commands)))
3943 (defun gnus-mime-button-menu (event prefix)
3944 "Construct a context-sensitive menu of MIME commands."
3945 (interactive "e\nP")
3946 (save-window-excursion
3947 (let ((pos (event-start event)))
3948 (select-window (posn-window pos))
3949 (goto-char (posn-point pos))
3950 (gnus-article-check-buffer)
3951 (popup-menu gnus-mime-button-menu nil prefix))))
3953 (defun gnus-mime-view-all-parts (&optional handles)
3954 "View all the MIME parts."
3956 (with-current-buffer gnus-article-buffer
3957 (let ((handles (or handles gnus-article-mime-handles))
3958 (mail-parse-charset gnus-newsgroup-charset)
3959 (mail-parse-ignored-charsets
3960 (with-current-buffer gnus-summary-buffer
3961 gnus-newsgroup-ignored-charsets)))
3963 (mm-remove-parts handles)
3964 (goto-char (point-min))
3965 (or (search-forward "\n\n") (goto-char (point-max)))
3966 (let ((inhibit-read-only t))
3967 (delete-region (point) (point-max))
3968 (mm-display-parts handles))))))
3971 (defsubst gnus-article-edit-part (handles)
3972 "Edit an article in order to delete a mime part.
3973 This function is exclusively used by `gnus-mime-save-part-and-strip'
3974 and `gnus-mime-delete-part', and not provided at run-time normally."
3975 (gnus-article-edit-article
3978 (let ((mail-parse-charset (or gnus-article-charset
3979 ',gnus-newsgroup-charset))
3980 (mail-parse-ignored-charsets
3981 (or gnus-article-ignored-charsets
3982 ',gnus-newsgroup-ignored-charsets))
3983 (mbl mml-buffer-list))
3984 (setq mml-buffer-list nil)
3985 (insert-buffer gnus-original-article-buffer)
3986 (mime-to-mml ',handles)
3987 (setq gnus-article-mime-handles nil)
3988 (let ((mbl1 mml-buffer-list))
3989 (setq mml-buffer-list mbl)
3990 (set (make-local-variable 'mml-buffer-list) mbl1))
3991 (gnus-make-local-hook 'kill-buffer-hook)
3992 (add-hook 'kill-buffer-hook 'mml-destroy-buffers t t)))
3993 `(lambda (no-highlight)
3994 (let ((mail-parse-charset (or gnus-article-charset
3995 ',gnus-newsgroup-charset))
3996 (message-options message-options)
3997 (message-options-set-recipient)
3998 (mail-parse-ignored-charsets
3999 (or gnus-article-ignored-charsets
4000 ',gnus-newsgroup-ignored-charsets)))
4002 (mml-destroy-buffers)
4003 (remove-hook 'kill-buffer-hook
4004 'mml-destroy-buffers t)
4005 (kill-local-variable 'mml-buffer-list))
4006 (gnus-summary-edit-article-done
4007 ,(or (mail-header-references gnus-current-headers) "")
4008 ,(gnus-group-read-only-p)
4009 ,gnus-summary-buffer no-highlight)))
4010 (gnus-article-edit-done)
4011 (gnus-summary-expand-window)
4012 (gnus-summary-show-article)))
4014 (defun gnus-mime-save-part-and-strip ()
4015 "Save the MIME part under point then replace it with an external body."
4017 (gnus-article-check-buffer)
4018 (when (gnus-group-read-only-p)
4019 (error "The current group does not support deleting of parts"))
4020 (when (mm-complicated-handles gnus-article-mime-handles)
4022 The current article has a complicated MIME structure, giving up..."))
4023 (when (gnus-yes-or-no-p "\
4024 Deleting parts may malfunction or destroy the article; continue? ")
4025 (let* ((data (get-text-property (point) 'gnus-data))
4027 (handles gnus-article-mime-handles))
4028 (setq file (and data (mm-save-part data)))
4030 (with-current-buffer (mm-handle-buffer data)
4032 (insert "Content-Type: " (mm-handle-media-type data))
4033 (mml-insert-parameter-string (cdr (mm-handle-type data))
4036 (insert "Content-ID: " (message-make-message-id) "\n")
4037 (insert "Content-Transfer-Encoding: binary\n")
4040 (cdr (mm-make-handle nil
4041 `("message/external-body"
4042 (access-type . "LOCAL-FILE")
4044 (set-buffer gnus-summary-buffer)
4045 (gnus-article-edit-part handles)))))
4047 (defun gnus-mime-delete-part ()
4048 "Delete the MIME part under point.
4049 Replace it with some information about the removed part."
4051 (gnus-article-check-buffer)
4052 (when (gnus-group-read-only-p)
4053 (error "The current group does not support deleting of parts"))
4054 (when (mm-complicated-handles gnus-article-mime-handles)
4056 The current article has a complicated MIME structure, giving up..."))
4057 (when (gnus-yes-or-no-p "\
4058 Deleting parts may malfunction or destroy the article; continue? ")
4059 (let* ((data (get-text-property (point) 'gnus-data))
4060 (handles gnus-article-mime-handles)
4064 (mail-decode-encoded-word-string (or (mm-handle-description data)
4067 (or (mail-content-type-get (mm-handle-disposition data) 'filename)
4069 (type (mm-handle-media-type data)))
4071 (error "No MIME part under point"))
4072 (with-current-buffer (mm-handle-buffer data)
4073 (let ((bsize (format "%s" (buffer-size))))
4078 "| The following attachment has been deleted:\n"
4080 "| Type: " type "\n"
4081 "| Filename: " filename "\n"
4082 "| Size (encoded): " bsize " Byte\n"
4083 "| Description: " description "\n"
4086 (cdr (mm-make-handle
4087 nil `("text/plain") nil nil
4089 (format "Deleted attachment (%s bytes)" bsize))))))
4090 (set-buffer gnus-summary-buffer)
4091 (gnus-article-edit-part handles))))
4093 (defun gnus-mime-save-part ()
4094 "Save the MIME part under point."
4096 (gnus-article-check-buffer)
4097 (let ((data (get-text-property (point) 'gnus-data)))
4099 (mm-save-part data))))
4101 (defun gnus-mime-pipe-part ()
4102 "Pipe the MIME part under point to a process."
4104 (gnus-article-check-buffer)
4105 (let ((data (get-text-property (point) 'gnus-data)))
4107 (mm-pipe-part data))))
4109 (defun gnus-mime-view-part ()
4110 "Interactively choose a viewing method for the MIME part under point."
4112 (gnus-article-check-buffer)
4113 (let ((data (get-text-property (point) 'gnus-data)))
4115 (setq gnus-article-mime-handles
4117 gnus-article-mime-handles (setq data (copy-sequence data))))
4118 (mm-interactively-view-part data))))
4120 (defun gnus-mime-view-part-as-type-internal ()
4121 (gnus-article-check-buffer)
4122 (let* ((name (mail-content-type-get
4123 (mm-handle-type (get-text-property (point) 'gnus-data))
4125 (def-type (and name (mm-default-file-encoding name))))
4126 (and def-type (cons def-type 0))))
4128 (defun gnus-mime-view-part-as-type (&optional mime-type)
4129 "Choose a MIME media type, and view the part as such."
4132 (setq mime-type (completing-read
4133 "View as MIME type: "
4134 (mapcar #'list (mailcap-mime-types))
4136 (gnus-mime-view-part-as-type-internal))))
4137 (gnus-article-check-buffer)
4138 (let ((handle (get-text-property (point) 'gnus-data)))
4141 (mm-make-handle (mm-handle-buffer handle)
4142 (cons mime-type (cdr (mm-handle-type handle)))
4143 (mm-handle-encoding handle)
4144 (mm-handle-undisplayer handle)
4145 (mm-handle-disposition handle)
4146 (mm-handle-description handle)
4148 (mm-handle-id handle)))
4149 (setq gnus-article-mime-handles
4150 (mm-merge-handles gnus-article-mime-handles handle))
4151 (gnus-mm-display-part handle))))
4154 (require 'jka-compr))
4156 ;; jka-compr.el uses a "sh -c" to direct stderr to err-file, but these days
4157 ;; emacs can do that itself.
4159 (defun gnus-mime-jka-compr-maybe-uncompress ()
4160 "Uncompress the current buffer if `auto-compression-mode' is enabled.
4161 The uncompress method used is derived from `buffer-file-name'."
4162 (when (and (fboundp 'jka-compr-installed-p)
4163 (jka-compr-installed-p))
4164 (let ((info (jka-compr-get-compression-info buffer-file-name)))
4166 (let ((basename (file-name-nondirectory buffer-file-name))
4167 (args (jka-compr-info-uncompress-args info))
4168 (prog (jka-compr-info-uncompress-program info))
4169 (message (jka-compr-info-uncompress-message info))
4170 (err-file (jka-compr-make-temp-name)))
4172 (message "%s %s..." message basename))
4174 (unless (memq (apply 'call-process-region
4175 (point-min) (point-max)
4177 t (list t err-file) nil
4179 jka-compr-acceptable-retval-list)
4180 (jka-compr-error prog args basename message err-file))
4181 (jka-compr-delete-temp-file err-file)))))))
4183 (defun gnus-mime-copy-part (&optional handle)
4184 "Put the MIME part under point into a new buffer.
4185 If `auto-compression-mode' is enabled, compressed files like .gz and .bz2
4188 (gnus-article-check-buffer)
4189 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4190 (contents (and handle (mm-get-part handle)))
4192 (file-name-nondirectory
4194 (mail-content-type-get (mm-handle-type handle) 'name)
4195 (mail-content-type-get (mm-handle-disposition handle)
4198 (buffer (and base (generate-new-buffer base))))
4200 (switch-to-buffer buffer)
4202 ;; We do it this way to make `normal-mode' set the appropriate mode.
4205 (setq buffer-file-name (expand-file-name base))
4206 (gnus-mime-jka-compr-maybe-uncompress)
4208 (setq buffer-file-name nil))
4209 (goto-char (point-min)))))
4211 (defun gnus-mime-print-part (&optional handle filename)
4212 "Print the MIME part under point."
4213 (interactive (list nil (ps-print-preprint current-prefix-arg)))
4214 (gnus-article-check-buffer)
4215 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4216 (contents (and handle (mm-get-part handle)))
4217 (file (mm-make-temp-file (expand-file-name "mm." mm-tmp-directory)))
4218 (printer (mailcap-mime-info (mm-handle-media-type handle) "print")))
4223 (mm-save-part-to-file handle file)
4224 (call-process shell-file-name nil
4225 (generate-new-buffer " *mm*")
4227 shell-command-switch
4229 printer file (mm-handle-type handle))))
4233 (gnus-print-buffer))
4234 (ps-despool filename)))))
4236 (defun gnus-mime-inline-part (&optional handle arg)
4237 "Insert the MIME part under point into the current buffer."
4238 (interactive (list nil current-prefix-arg))
4239 (gnus-article-check-buffer)
4240 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4243 (inhibit-read-only t))
4245 (if (and (not arg) (mm-handle-undisplayer handle))
4246 (mm-remove-part handle)
4247 (setq contents (mm-get-part handle))
4250 (setq charset (or (mail-content-type-get
4251 (mm-handle-type handle) 'charset)
4252 gnus-newsgroup-charset)))
4254 (if (mm-handle-undisplayer handle)
4255 (mm-remove-part handle))
4258 gnus-summary-show-article-charset-alist))
4259 (mm-read-coding-system "Charset: ")))))
4261 (mm-insert-inline handle
4263 (setq charset (mm-charset-to-coding-system
4265 (not (eq charset 'ascii)))
4266 (mm-decode-coding-string contents charset)
4270 (defun gnus-mime-view-part-as-charset (&optional handle arg)
4271 "Insert the MIME part under point into the current buffer using the
4273 (interactive (list nil current-prefix-arg))
4274 (gnus-article-check-buffer)
4275 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4278 (inhibit-read-only t))
4280 (if (mm-handle-undisplayer handle)
4281 (mm-remove-part handle))
4282 (let ((gnus-newsgroup-charset
4284 gnus-summary-show-article-charset-alist))
4285 (mm-read-coding-system "Charset: ")))
4286 (gnus-newsgroup-ignored-charsets 'gnus-all))
4287 (gnus-article-press-button)))))
4289 (defun gnus-mime-view-part-externally (&optional handle)
4290 "View the MIME part under point with an external viewer."
4292 (gnus-article-check-buffer)
4293 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4294 (mm-user-display-methods nil)
4295 (mm-inlined-types nil)
4296 (mail-parse-charset gnus-newsgroup-charset)
4297 (mail-parse-ignored-charsets
4298 (with-current-buffer gnus-summary-buffer
4299 gnus-newsgroup-ignored-charsets)))
4301 (if (mm-handle-undisplayer handle)
4302 (mm-remove-part handle)
4303 (mm-display-part handle)))))
4305 (defun gnus-mime-view-part-internally (&optional handle)
4306 "View the MIME part under point with an internal viewer.
4307 If no internal viewer is available, use an external viewer."
4309 (gnus-article-check-buffer)
4310 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4311 (mm-inlined-types '(".*"))
4312 (mm-inline-large-images t)
4313 (mail-parse-charset gnus-newsgroup-charset)
4314 (mail-parse-ignored-charsets
4315 (with-current-buffer gnus-summary-buffer
4316 gnus-newsgroup-ignored-charsets))
4317 (inhibit-read-only t))
4319 (if (mm-handle-undisplayer handle)
4320 (mm-remove-part handle)
4321 (mm-display-part handle)))))
4323 (defun gnus-mime-action-on-part (&optional action)
4324 "Do something with the MIME attachment at \(point\)."
4326 (list (completing-read "Action: " gnus-mime-action-alist nil t)))
4327 (gnus-article-check-buffer)
4328 (let ((action-pair (assoc action gnus-mime-action-alist)))
4330 (funcall (cdr action-pair)))))
4332 (defun gnus-article-part-wrapper (n function)
4333 (with-current-buffer gnus-article-buffer
4334 (when (> n (length gnus-article-mime-handle-alist))
4335 (error "No such part"))
4336 (gnus-article-goto-part n)
4337 (let ((handle (cdr (assq n gnus-article-mime-handle-alist))))
4338 (funcall function handle))))
4340 (defun gnus-article-pipe-part (n)
4341 "Pipe MIME part N, which is the numerical prefix."
4343 (gnus-article-part-wrapper n 'mm-pipe-part))
4345 (defun gnus-article-save-part (n)
4346 "Save MIME part N, which is the numerical prefix."
4348 (gnus-article-part-wrapper n 'mm-save-part))
4350 (defun gnus-article-interactively-view-part (n)
4351 "View MIME part N interactively, which is the numerical prefix."
4353 (gnus-article-part-wrapper n 'mm-interactively-view-part))
4355 (defun gnus-article-copy-part (n)
4356 "Copy MIME part N, which is the numerical prefix."
4358 (gnus-article-part-wrapper n 'gnus-mime-copy-part))
4360 (defun gnus-article-view-part-as-charset (n)
4361 "View MIME part N using a specified charset.
4362 N is the numerical prefix."
4364 (gnus-article-part-wrapper n 'gnus-mime-view-part-as-charset))
4366 (defun gnus-article-view-part-externally (n)
4367 "View MIME part N externally, which is the numerical prefix."
4369 (gnus-article-part-wrapper n 'gnus-mime-view-part-externally))
4371 (defun gnus-article-inline-part (n)
4372 "Inline MIME part N, which is the numerical prefix."
4374 (gnus-article-part-wrapper n 'gnus-mime-inline-part))
4376 (defun gnus-article-mime-match-handle-first (condition)
4378 (let ((alist gnus-article-mime-handle-alist) ihandle n)
4379 (while (setq ihandle (pop alist))
4381 ((functionp condition)
4382 (funcall condition (cdr ihandle)))
4383 ((eq condition 'undisplayed)
4384 (not (or (mm-handle-undisplayer (cdr ihandle))
4385 (equal (mm-handle-media-type (cdr ihandle))
4386 "multipart/alternative"))))
4387 ((eq condition 'undisplayed-alternative)
4388 (not (mm-handle-undisplayer (cdr ihandle))))
4390 (gnus-article-goto-part (car ihandle))
4391 (or (not n) (< (car ihandle) n)))
4392 (setq n (car ihandle))))
4396 (defun gnus-article-view-part (&optional n)
4397 "View MIME part N, which is the numerical prefix."
4399 (with-current-buffer gnus-article-buffer
4400 (or (numberp n) (setq n (gnus-article-mime-match-handle-first
4401 gnus-article-mime-match-handle-function)))
4402 (when (> n (length gnus-article-mime-handle-alist))
4403 (error "No such part"))
4404 (let ((handle (cdr (assq n gnus-article-mime-handle-alist))))
4405 (when (gnus-article-goto-part n)
4406 (if (equal (car handle) "multipart/alternative")
4407 (gnus-article-press-button)
4408 (when (eq (gnus-mm-display-part handle) 'internal)
4409 (gnus-set-window-start)))))))
4411 (defsubst gnus-article-mime-total-parts ()
4412 (if (bufferp (car gnus-article-mime-handles))
4414 (1- (length gnus-article-mime-handles))))
4416 (defun gnus-mm-display-part (handle)
4417 "Display HANDLE and fix MIME button."
4418 (let ((id (get-text-property (point) 'gnus-part))
4420 (inhibit-read-only t))
4423 (let ((window (selected-window))
4424 (mail-parse-charset gnus-newsgroup-charset)
4425 (mail-parse-ignored-charsets
4426 (if (gnus-buffer-live-p gnus-summary-buffer)
4427 (with-current-buffer gnus-summary-buffer
4428 gnus-newsgroup-ignored-charsets)
4432 (let ((win (gnus-get-buffer-window (current-buffer) t))
4435 (select-window win))
4438 (if (mm-handle-displayed-p handle)
4439 ;; This will remove the part.
4440 (mm-display-part handle)
4442 (narrow-to-region (point)
4443 (if (eobp) (point) (1+ (point))))
4444 (mm-display-part handle)
4445 ;; We narrow to the part itself and
4446 ;; then call the treatment functions.
4447 (goto-char (point-min))
4449 (narrow-to-region (point) (point-max))
4452 (gnus-article-mime-total-parts)
4453 (mm-handle-media-type handle)))))
4454 (if (window-live-p window)
4455 (select-window window)))))
4458 (gnus-insert-mime-button
4459 handle id (list (mm-handle-displayed-p handle)))
4460 (goto-char point))))
4462 (defun gnus-article-goto-part (n)
4463 "Go to MIME part N."
4464 (gnus-goto-char (text-property-any (point-min) (point-max) 'gnus-part n)))
4466 (defun gnus-insert-mime-button (handle gnus-tmp-id &optional displayed)
4467 (let ((gnus-tmp-name
4468 (or (mail-content-type-get (mm-handle-type handle) 'name)
4469 (mail-content-type-get (mm-handle-disposition handle) 'filename)
4470 (mail-content-type-get (mm-handle-type handle) 'url)
4472 (gnus-tmp-type (mm-handle-media-type handle))
4473 (gnus-tmp-description
4474 (mail-decode-encoded-word-string (or (mm-handle-description handle)
4477 (if (if displayed (car displayed)
4478 (mm-handle-displayed-p handle))
4480 (gnus-tmp-length (with-current-buffer (mm-handle-buffer handle)
4482 gnus-tmp-type-long b e)
4483 (when (string-match ".*/" gnus-tmp-name)
4484 (setq gnus-tmp-name (replace-match "" t t gnus-tmp-name)))
4485 (setq gnus-tmp-type-long (concat gnus-tmp-type
4486 (and (not (equal gnus-tmp-name ""))
4487 (concat "; " gnus-tmp-name))))
4488 (unless (equal gnus-tmp-description "")
4489 (setq gnus-tmp-type-long (concat " --- " gnus-tmp-type-long)))
4494 gnus-mime-button-line-format gnus-mime-button-line-format-alist
4495 `(keymap ,gnus-mime-button-map
4496 gnus-callback gnus-mm-display-part
4497 gnus-part ,gnus-tmp-id
4498 article-type annotation
4501 ;; Exclude a newline.
4504 (widget-convert-button
4507 :action 'gnus-widget-press-button
4508 :button-keymap gnus-mime-button-map
4510 (lambda (widget/window &optional overlay pos)
4511 ;; Needed to properly clear the message due to a bug in
4512 ;; wid-edit (XEmacs only).
4513 (if (boundp 'help-echo-owns-message)
4514 (setq help-echo-owns-message t))
4516 "%S: %s the MIME part; %S: more options"
4517 (aref gnus-mouse-2 0)
4518 ;; XEmacs will get a single widget arg; Emacs 21 will get
4519 ;; window, overlay, position.
4520 (if (mm-handle-displayed-p
4522 (with-current-buffer (gnus-overlay-buffer overlay)
4523 (widget-get (widget-at (gnus-overlay-start overlay))
4525 (widget-get widget/window :mime-handle)))
4527 (aref gnus-down-mouse-3 0))))))
4529 (defun gnus-widget-press-button (elems el)
4530 (goto-char (widget-get elems :from))
4531 (gnus-article-press-button))
4533 (defvar gnus-displaying-mime nil)
4535 (defun gnus-display-mime (&optional ihandles)
4536 "Display the MIME parts."
4538 (save-selected-window
4539 (let ((window (get-buffer-window gnus-article-buffer))
4542 (select-window window)
4543 ;; We have to do this since selecting the window
4544 ;; may change the point. So we set the window point.
4545 (set-window-point window point)))
4546 (let* ((handles (or ihandles
4547 (mm-dissect-buffer nil gnus-article-loose-mime)
4548 (and gnus-article-emulate-mime
4550 (inhibit-read-only t) handle name type b e display)
4551 (when (and (not ihandles)
4552 (not gnus-displaying-mime))
4553 ;; Top-level call; we clean up.
4554 (when gnus-article-mime-handles
4555 (mm-destroy-parts gnus-article-mime-handles)
4556 (setq gnus-article-mime-handle-alist nil));; A trick.
4557 (setq gnus-article-mime-handles handles)
4558 ;; We allow users to glean info from the handles.
4559 (when gnus-article-mime-part-function
4560 (gnus-mime-part-function handles)))
4562 (or (not (stringp (car handles)))
4565 (when (and (not ihandles)
4566 (not gnus-displaying-mime))
4567 ;; Clean up for mime parts.
4569 (delete-region (point) (point-max)))
4570 (let ((gnus-displaying-mime t))
4571 (gnus-mime-display-part handles)))
4574 (narrow-to-region (point) (point-max))
4575 (gnus-treat-article nil 1 1)
4578 ;; Highlight the headers.
4582 (narrow-to-region (point-min) (point))
4583 (gnus-treat-article 'head))))))))
4585 (defcustom gnus-mime-display-multipart-as-mixed nil
4586 "Display \"multipart\" parts as \"multipart/mixed\".
4588 If t, it overrides nil values of
4589 `gnus-mime-display-multipart-alternative-as-mixed' and
4590 `gnus-mime-display-multipart-related-as-mixed'."
4591 :group 'gnus-article-mime
4594 (defcustom gnus-mime-display-multipart-alternative-as-mixed nil
4595 "Display \"multipart/alternative\" parts as \"multipart/mixed\"."
4597 :group 'gnus-article-mime
4600 (defcustom gnus-mime-display-multipart-related-as-mixed nil
4601 "Display \"multipart/related\" parts as \"multipart/mixed\".
4603 If displaying \"text/html\" is discouraged \(see
4604 `mm-discouraged-alternatives'\) images or other material inside a
4605 \"multipart/related\" part might be overlooked when this variable is nil."
4607 :group 'gnus-article-mime
4610 (defun gnus-mime-display-part (handle)
4613 ((not (stringp (car handle)))
4614 (gnus-mime-display-single handle))
4615 ;; User-defined multipart
4616 ((cdr (assoc (car handle) gnus-mime-multipart-functions))
4617 (funcall (cdr (assoc (car handle) gnus-mime-multipart-functions))
4619 ;; multipart/alternative
4620 ((and (equal (car handle) "multipart/alternative")
4621 (not (or gnus-mime-display-multipart-as-mixed
4622 gnus-mime-display-multipart-alternative-as-mixed)))
4623 (let ((id (1+ (length gnus-article-mime-handle-alist))))
4624 (push (cons id handle) gnus-article-mime-handle-alist)
4625 (gnus-mime-display-alternative (cdr handle) nil nil id)))
4626 ;; multipart/related
4627 ((and (equal (car handle) "multipart/related")
4628 (not (or gnus-mime-display-multipart-as-mixed
4629 gnus-mime-display-multipart-related-as-mixed)))
4630 ;;;!!!We should find the start part, but we just default
4631 ;;;!!!to the first part.
4632 ;;(gnus-mime-display-part (cadr handle))
4633 ;;;!!! Most multipart/related is an HTML message plus images.
4634 ;;;!!! Unfortunately we are unable to let W3 display those
4635 ;;;!!! included images, so we just display it as a mixed multipart.
4636 ;;(gnus-mime-display-mixed (cdr handle))
4637 ;;;!!! No, w3 can display everything just fine.
4638 (gnus-mime-display-part (cadr handle)))
4639 ((equal (car handle) "multipart/signed")
4640 (gnus-add-wash-type 'signed)
4641 (gnus-mime-display-security handle))
4642 ((equal (car handle) "multipart/encrypted")
4643 (gnus-add-wash-type 'encrypted)
4644 (gnus-mime-display-security handle))
4645 ;; Other multiparts are handled like multipart/mixed.
4647 (gnus-mime-display-mixed (cdr handle)))))
4649 (defun gnus-mime-part-function (handles)
4650 (if (stringp (car handles))
4651 (mapcar 'gnus-mime-part-function (cdr handles))
4652 (funcall gnus-article-mime-part-function handles)))
4654 (defun gnus-mime-display-mixed (handles)
4655 (mapcar 'gnus-mime-display-part handles))
4657 (defun gnus-mime-display-single (handle)
4658 (let ((type (mm-handle-media-type handle))
4659 (ignored gnus-ignored-mime-types)
4666 (when (string-match (pop ignored) type)
4667 (throw 'ignored nil)))
4668 (if (and (setq not-attachment
4669 (and (not (mm-inline-override-p handle))
4670 (or (not (mm-handle-disposition handle))
4671 (equal (car (mm-handle-disposition handle))
4673 (mm-attachment-override-p handle))))
4674 (mm-automatic-display-p handle)
4676 (mm-inlinable-p handle)
4677 (mm-inlined-p handle))
4678 (mm-automatic-external-display-p type)))
4680 (when (equal (mm-handle-media-supertype handle) "text")
4682 (let ((id (1+ (length gnus-article-mime-handle-alist)))
4684 (push (cons id handle) gnus-article-mime-handle-alist)
4685 (when (or (not display)
4686 (not (gnus-unbuttonized-mime-type-p type)))
4687 (gnus-insert-mime-button
4688 handle id (list (or display (and not-attachment text))))
4689 (gnus-article-insert-newline)
4690 ;; Remember modify the number of forward lines.
4698 (let ((mail-parse-charset gnus-newsgroup-charset)
4699 (mail-parse-ignored-charsets
4700 (save-excursion (condition-case ()
4701 (set-buffer gnus-summary-buffer)
4703 gnus-newsgroup-ignored-charsets)))
4704 (mm-display-part handle t))
4705 (goto-char (point-max)))
4706 ((and text not-attachment)
4710 (gnus-article-insert-newline)
4711 (mm-insert-inline handle (mm-get-part handle))
4712 (goto-char (point-max))))
4716 (narrow-to-region beg (point))
4719 (gnus-article-mime-total-parts)
4720 (mm-handle-media-type handle)))))))))
4722 (defun gnus-unbuttonized-mime-type-p (type)
4723 "Say whether TYPE is to be unbuttonized."
4724 (unless gnus-inhibit-mime-unbuttonizing
4726 (let ((types gnus-unbuttonized-mime-types))
4728 (when (string-match (pop types) type)
4729 (throw 'found t)))))
4731 (let ((types gnus-buttonized-mime-types))
4733 (when (string-match (pop types) type)
4734 (throw 'found t)))))))))
4736 (defun gnus-article-insert-newline ()
4737 "Insert a newline, but mark it as undeletable."
4738 (gnus-put-text-property
4739 (point) (progn (insert "\n") (point)) 'gnus-undeletable t))
4741 (defun gnus-mime-display-alternative (handles &optional preferred ibegend id)
4742 (let* ((preferred (or preferred (mm-preferred-alternative handles)))
4745 handle (inhibit-read-only t) from props begend not-pref)
4746 (save-window-excursion
4749 (narrow-to-region (car ibegend)
4752 (goto-char (car ibegend))
4755 (delete-region (point-min) (point-max))
4756 (mm-remove-parts handles))
4757 (setq begend (list (point-marker)))
4759 (unless (setq not-pref (cadr (member preferred ihandles)))
4760 (setq not-pref (car ihandles)))
4763 (not (gnus-unbuttonized-mime-type-p
4764 "multipart/alternative")))
4765 (gnus-add-text-properties
4768 (insert (format "%d. " id))
4772 (unless ,(not ibegend)
4773 (setq gnus-article-mime-handle-alist
4774 ',gnus-article-mime-handle-alist))
4775 (gnus-mime-display-alternative
4776 ',ihandles ',not-pref ',begend ,id))
4777 keymap ,gnus-mime-button-map
4778 ,gnus-mouse-face-prop ,gnus-article-mouse-face
4779 face ,gnus-article-button-face
4782 (widget-convert-button 'link from (point)
4783 :action 'gnus-widget-press-button
4784 :button-keymap gnus-widget-button-keymap)
4786 (while (setq handle (pop handles))
4787 (gnus-add-text-properties
4790 (insert (format "(%c) %-18s"
4791 (if (equal handle preferred) ?* ? )
4792 (mm-handle-media-type handle)))
4796 (unless ,(not ibegend)
4797 (setq gnus-article-mime-handle-alist
4798 ',gnus-article-mime-handle-alist))
4799 (gnus-mime-display-alternative
4800 ',ihandles ',handle ',begend ,id))
4801 keymap ,gnus-mime-button-map
4802 ,gnus-mouse-face-prop ,gnus-article-mouse-face
4803 face ,gnus-article-button-face
4806 (widget-convert-button 'link from (point)
4807 :action 'gnus-widget-press-button
4808 :button-keymap gnus-widget-button-keymap)
4812 (if (stringp (car preferred))
4813 (gnus-display-mime preferred)
4814 (let ((mail-parse-charset gnus-newsgroup-charset)
4815 (mail-parse-ignored-charsets
4816 (with-current-buffer gnus-summary-buffer
4817 gnus-newsgroup-ignored-charsets)))
4818 (mm-display-part preferred)
4822 (narrow-to-region (car begend) (point-max))
4824 nil (length gnus-article-mime-handle-alist)
4825 (gnus-article-mime-total-parts)
4826 (mm-handle-media-type handle))))))
4827 (goto-char (point-max))
4828 (setcdr begend (point-marker)))))
4830 (goto-char point))))
4832 (defconst gnus-article-wash-status-strings
4833 (let ((alist '((cite "c" "Possible hidden citation text"
4834 " " "All citation text visible")
4835 (headers "h" "Hidden headers"
4836 " " "All headers visible.")
4837 (pgp "p" "Encrypted or signed message status hidden"
4838 " " "No hidden encryption nor digital signature status")
4839 (signature "s" "Signature has been hidden"
4840 " " "Signature is visible")
4841 (overstrike "o" "Overstrike (^H) characters applied"
4842 " " "No overstrike characters applied")
4843 (emphasis "e" "/*_Emphasis_*/ characters applied"
4844 " " "No /*_emphasis_*/ characters applied")))
4846 (dolist (entry alist result)
4847 (let ((key (nth 0 entry))
4848 (on (copy-sequence (nth 1 entry)))
4849 (on-help (nth 2 entry))
4850 (off (copy-sequence (nth 3 entry)))
4851 (off-help (nth 4 entry)))
4852 (put-text-property 0 1 'help-echo on-help on)
4853 (put-text-property 0 1 'help-echo off-help off)
4854 (push (list key on off) result))))
4855 "Alist of strings describing wash status in the mode line.
4856 Each entry has the form (KEY ON OF), where the KEY is a symbol
4857 representing the particular washing function, ON is the string to use
4858 in the article mode line when the washing function is active, and OFF
4859 is the string to use when it is inactive.")
4861 (defun gnus-article-wash-status-entry (key value)
4862 (let ((entry (assoc key gnus-article-wash-status-strings)))
4863 (if value (nth 1 entry) (nth 2 entry))))
4865 (defun gnus-article-wash-status ()
4866 "Return a string which display status of article washing."
4867 (with-current-buffer gnus-article-buffer
4868 (let ((cite (memq 'cite gnus-article-wash-types))
4869 (headers (memq 'headers gnus-article-wash-types))
4870 (boring (memq 'boring-headers gnus-article-wash-types))
4871 (pgp (memq 'pgp gnus-article-wash-types))
4872 (pem (memq 'pem gnus-article-wash-types))
4873 (signed (memq 'signed gnus-article-wash-types))
4874 (encrypted (memq 'encrypted gnus-article-wash-types))
4875 (signature (memq 'signature gnus-article-wash-types))
4876 (overstrike (memq 'overstrike gnus-article-wash-types))
4877 (emphasis (memq 'emphasis gnus-article-wash-types)))
4879 (gnus-article-wash-status-entry 'cite cite)
4880 (gnus-article-wash-status-entry 'headers (or headers boring))
4881 (gnus-article-wash-status-entry 'pgp (or pgp pem signed encrypted))
4882 (gnus-article-wash-status-entry 'signature signature)
4883 (gnus-article-wash-status-entry 'overstrike overstrike)
4884 (gnus-article-wash-status-entry 'emphasis emphasis)))))
4886 (defun gnus-add-wash-type (type)
4887 "Add a washing of TYPE to the current status."
4888 (add-to-list 'gnus-article-wash-types type))
4890 (defun gnus-delete-wash-type (type)
4891 "Add a washing of TYPE to the current status."
4892 (setq gnus-article-wash-types (delq type gnus-article-wash-types)))
4894 (defun gnus-add-image (category image)
4895 "Add IMAGE of CATEGORY to the list of displayed images."
4896 (let ((entry (assq category gnus-article-image-alist)))
4898 (setq entry (list category))
4899 (push entry gnus-article-image-alist))
4900 (nconc entry (list image))))
4902 (defun gnus-delete-images (category)
4903 "Delete all images in CATEGORY."
4904 (let ((entry (assq category gnus-article-image-alist)))
4905 (dolist (image (cdr entry))
4906 (gnus-remove-image image category))
4907 (setq gnus-article-image-alist (delq entry gnus-article-image-alist))
4908 (gnus-delete-wash-type category)))
4910 (defalias 'gnus-article-hide-headers-if-wanted 'gnus-article-maybe-hide-headers)
4912 (defun gnus-article-maybe-hide-headers ()
4913 "Hide unwanted headers if `gnus-have-all-headers' is nil.
4914 Provided for backwards compatibility."
4915 (when (and (or (not (gnus-buffer-live-p gnus-summary-buffer))
4916 (not (with-current-buffer gnus-summary-buffer
4917 gnus-have-all-headers)))
4918 (not gnus-inhibit-hiding))
4919 (gnus-article-hide-headers)))
4923 (defun gnus-output-to-file (file-name)
4924 "Append the current article to a file named FILE-NAME."
4925 (let ((artbuf (current-buffer)))
4927 (insert-buffer-substring artbuf)
4928 ;; Append newline at end of the buffer as separator, and then
4930 (goto-char (point-max))
4932 (let ((file-name-coding-system nnmail-pathname-coding-system))
4933 (mm-append-to-file (point-min) (point-max) file-name))
4936 (defun gnus-narrow-to-page (&optional arg)
4937 "Narrow the article buffer to a page.
4938 If given a numerical ARG, move forward ARG pages."
4940 (setq arg (if arg (prefix-numeric-value arg) 0))
4942 (set-buffer gnus-article-buffer)
4943 (goto-char (point-min))
4945 ;; Remove any old next/prev buttons.
4946 (when (gnus-visual-p 'page-marker)
4947 (let ((inhibit-read-only t))
4948 (gnus-remove-text-with-property 'gnus-prev)
4949 (gnus-remove-text-with-property 'gnus-next)))
4952 (re-search-backward page-delimiter nil 'move (1+ (abs arg))))
4954 (re-search-forward page-delimiter nil 'move arg)))
4955 (goto-char (match-end 0))
4957 (goto-char (point-min))
4958 (setq gnus-page-broken
4959 (and (re-search-forward page-delimiter nil t) t))))
4960 (when gnus-page-broken
4963 (if (re-search-forward page-delimiter nil 'move)
4966 (when (and (gnus-visual-p 'page-marker)
4967 (> (point-min) (save-restriction (widen) (point-min))))
4969 (goto-char (point-min))
4970 (gnus-insert-prev-page-button)))
4971 (when (and (gnus-visual-p 'page-marker)
4972 (< (+ (point-max) 2) (buffer-size)))
4974 (goto-char (point-max))
4975 (gnus-insert-next-page-button))))))
4977 ;; Article mode commands
4979 (defun gnus-article-goto-next-page ()
4980 "Show the next page of the article."
4982 (when (gnus-article-next-page)
4983 (goto-char (point-min))
4984 (gnus-article-read-summary-keys nil (gnus-character-to-event ?n))))
4987 (defun gnus-article-goto-prev-page ()
4988 "Show the previous page of the article."
4991 (gnus-article-read-summary-keys nil (gnus-character-to-event ?p))
4992 (gnus-article-prev-page nil)))
4994 ;; This is cleaner but currently breaks `gnus-pick-mode':
4996 ;; (defun gnus-article-goto-next-page ()
4997 ;; "Show the next page of the article."
4999 ;; (gnus-eval-in-buffer-window gnus-summary-buffer
5000 ;; (gnus-summary-next-page)))
5002 ;; (defun gnus-article-goto-prev-page ()
5003 ;; "Show the next page of the article."
5005 ;; (gnus-eval-in-buffer-window gnus-summary-buffer
5006 ;; (gnus-summary-prev-page)))
5008 (defun gnus-article-next-page (&optional lines)
5009 "Show the next page of the current article.
5010 If end of article, return non-nil. Otherwise return nil.
5011 Argument LINES specifies lines to be scrolled up."
5013 (move-to-window-line -1)
5016 (and (pos-visible-in-window-p) ;Not continuation line.
5017 (>= (1+ (point)) (point-max)))) ;Allow for trailing newline.
5018 ;; Nothing in this page.
5019 (if (or (not gnus-page-broken)
5024 (eobp)))) ;Real end-of-buffer?
5026 (when gnus-article-over-scroll
5027 (gnus-article-next-page-1 lines))
5029 (gnus-narrow-to-page 1) ;Go to next page.
5031 ;; More in this page.
5032 (gnus-article-next-page-1 lines)
5035 (defun gnus-article-next-page-1 (lines)
5036 (let ((scroll-in-place nil))
5040 ;; Long lines may cause an end-of-buffer error.
5041 (goto-char (point-max)))))
5042 (move-to-window-line 0))
5044 (defun gnus-article-prev-page (&optional lines)
5045 "Show previous page of current article.
5046 Argument LINES specifies lines to be scrolled down."
5048 (move-to-window-line 0)
5049 (if (and gnus-page-broken
5051 (not (save-restriction (widen) (bobp)))) ;Real beginning-of-buffer?
5053 (gnus-narrow-to-page -1) ;Go to previous page.
5054 (goto-char (point-max))
5056 (let ((scroll-in-place nil))
5060 (beginning-of-buffer
5061 (goto-char (point-min))))
5062 (move-to-window-line 0)))))
5064 (defun gnus-article-only-boring-p ()
5065 "Decide whether there is only boring text remaining in the article.
5066 Something \"interesting\" is a word of at least two letters that does
5067 not have a face in `gnus-article-boring-faces'."
5068 (when (and gnus-article-skip-boring
5069 (boundp 'gnus-article-boring-faces)
5070 (symbol-value 'gnus-article-boring-faces))
5073 (while (re-search-forward "\\b\\w\\w" nil t)
5075 (when (not (gnus-intersection
5076 (gnus-faces-at (point))
5077 (symbol-value 'gnus-article-boring-faces)))
5078 (throw 'only-boring nil)))
5079 (throw 'only-boring t)))))
5081 (defun gnus-article-refer-article ()
5082 "Read article specified by message-id around point."
5085 (re-search-backward "[ \t]\\|^" (point-at-bol) t)
5086 (re-search-forward "<?news:<?\\|<" (point-at-eol) t)
5087 (if (re-search-forward "[^@ ]+@[^ \t>]+" (point-at-eol) t)
5088 (let ((msg-id (concat "<" (match-string 0) ">")))
5089 (set-buffer gnus-summary-buffer)
5090 (gnus-summary-refer-article msg-id))
5091 (error "No references around point"))))
5093 (defun gnus-article-show-summary ()
5094 "Reconfigure windows to show summary buffer."
5096 (if (not (gnus-buffer-live-p gnus-summary-buffer))
5097 (error "There is no summary buffer for this article buffer")
5098 (gnus-article-set-globals)
5099 (gnus-configure-windows 'article)
5100 (gnus-summary-goto-subject gnus-current-article)
5101 (gnus-summary-position-point)))
5103 (defun gnus-article-describe-briefly ()
5104 "Describe article mode commands briefly."
5106 (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")))
5108 (defun gnus-article-summary-command ()
5109 "Execute the last keystroke in the summary buffer."
5111 (let ((obuf (current-buffer))
5112 (owin (current-window-configuration))
5114 (switch-to-buffer gnus-article-current-summary 'norecord)
5115 (setq func (lookup-key (current-local-map) (this-command-keys)))
5116 (call-interactively func)
5118 (set-window-configuration owin)
5119 (set-window-point (get-buffer-window (current-buffer)) (point))))
5121 (defun gnus-article-summary-command-nosave ()
5122 "Execute the last keystroke in the summary buffer."
5125 (pop-to-buffer gnus-article-current-summary 'norecord)
5126 (setq func (lookup-key (current-local-map) (this-command-keys)))
5127 (call-interactively func)))
5129 (defun gnus-article-check-buffer ()
5130 "Beep if not in an article buffer."
5131 (unless (equal major-mode 'gnus-article-mode)
5132 (error "Command invoked outside of a Gnus article buffer")))
5134 (defun gnus-article-read-summary-keys (&optional arg key not-restore-window)
5135 "Read a summary buffer key sequence and execute it from the article buffer."
5137 (gnus-article-check-buffer)
5139 '("q" "Q" "c" "r" "\C-c\C-f" "m" "a" "f"
5140 "Zc" "ZC" "ZE" "ZQ" "ZZ" "Zn" "ZR" "ZG" "ZN" "ZP"
5141 "=" "^" "\M-^" "|"))
5147 '("n" "Gn" "p" "Gp"))
5150 (set-buffer gnus-article-current-summary)
5151 (let (gnus-pick-mode)
5152 (push (or key last-command-event) unread-command-events)
5153 (setq keys (if (featurep 'xemacs)
5154 (events-to-keys (read-key-sequence nil))
5155 (read-key-sequence nil)))))
5159 (if (or (member keys nosaves)
5160 (member keys nosave-but-article)
5161 (member keys nosave-in-article))
5163 (save-window-excursion
5164 (pop-to-buffer gnus-article-current-summary 'norecord)
5165 ;; We disable the pick minor mode commands.
5166 (let (gnus-pick-mode)
5167 (setq func (lookup-key (current-local-map) keys))))
5171 (unless (member keys nosave-in-article)
5172 (set-buffer gnus-article-current-summary))
5173 (call-interactively func)
5174 (setq new-sum-point (point)))
5175 (when (member keys nosave-but-article)
5176 (pop-to-buffer gnus-article-buffer 'norecord)))
5177 ;; These commands should restore window configuration.
5178 (let ((obuf (current-buffer))
5179 (owin (current-window-configuration))
5181 win func in-buffer selected new-sum-start new-sum-hscroll)
5182 (cond (not-restore-window
5183 (pop-to-buffer gnus-article-current-summary 'norecord))
5184 ((setq win (get-buffer-window gnus-article-current-summary))
5185 (select-window win))
5187 (switch-to-buffer gnus-article-current-summary 'norecord)))
5188 (setq in-buffer (current-buffer))
5189 ;; We disable the pick minor mode commands.
5190 (if (and (setq func (let (gnus-pick-mode)
5191 (lookup-key (current-local-map) keys)))
5194 (call-interactively func)
5195 (when (eq win (selected-window))
5196 (setq new-sum-point (point)
5197 new-sum-start (window-start win)
5198 new-sum-hscroll (window-hscroll win))
5199 (when (eq in-buffer (current-buffer))
5200 (setq selected (gnus-summary-select-article))
5202 (unless not-restore-window
5203 (set-window-configuration owin))
5204 (when (eq selected 'old)
5206 (set-window-start (get-buffer-window (current-buffer))
5208 (set-window-point (get-buffer-window (current-buffer))
5210 (when (and (not not-restore-window)
5212 (set-window-point win new-sum-point)
5213 (set-window-start win new-sum-start)
5214 (set-window-hscroll win new-sum-hscroll)))))
5215 (set-window-configuration owin)
5218 (defun gnus-article-describe-key (key)
5219 "Display documentation of the function invoked by KEY. KEY is a string."
5220 (interactive "kDescribe key: ")
5221 (gnus-article-check-buffer)
5222 (if (eq (key-binding key) 'gnus-article-read-summary-keys)
5224 (set-buffer gnus-article-current-summary)
5225 (let (gnus-pick-mode)
5226 (if (featurep 'xemacs)
5228 (push (elt key 0) unread-command-events)
5229 (setq key (events-to-keys
5230 (read-key-sequence "Describe key: "))))
5231 (setq unread-command-events
5233 (lambda (x) (if (>= x 128) (list 'meta (- x 128)) x))
5234 (string-to-list key)))
5235 (setq key (read-key-sequence "Describe key: "))))
5237 (describe-key key)))
5239 (defun gnus-article-describe-key-briefly (key &optional insert)
5240 "Display documentation of the function invoked by KEY. KEY is a string."
5241 (interactive "kDescribe key: \nP")
5242 (gnus-article-check-buffer)
5243 (if (eq (key-binding key) 'gnus-article-read-summary-keys)
5245 (set-buffer gnus-article-current-summary)
5246 (let (gnus-pick-mode)
5247 (if (featurep 'xemacs)
5249 (push (elt key 0) unread-command-events)
5250 (setq key (events-to-keys
5251 (read-key-sequence "Describe key: "))))
5252 (setq unread-command-events
5254 (lambda (x) (if (>= x 128) (list 'meta (- x 128)) x))
5255 (string-to-list key)))
5256 (setq key (read-key-sequence "Describe key: "))))
5257 (describe-key-briefly key insert))
5258 (describe-key-briefly key insert)))
5260 (defun gnus-article-reply-with-original (&optional wide)
5261 "Start composing a reply mail to the current message.
5262 The text in the region will be yanked. If the region isn't active,
5263 the entire article will be yanked."
5265 (let ((article (cdr gnus-article-current))
5267 (if (not (gnus-region-active-p))
5268 (with-current-buffer gnus-summary-buffer
5269 (gnus-summary-reply (list (list article)) wide))
5270 (setq contents (buffer-substring (point) (mark t)))
5271 ;; Deactivate active regions.
5272 (when (and (boundp 'transient-mark-mode)
5273 transient-mark-mode)
5274 (setq mark-active nil))
5275 (with-current-buffer gnus-summary-buffer
5277 (list (list article contents)) wide)))))
5279 (defun gnus-article-followup-with-original ()
5280 "Compose a followup to the current article.
5281 The text in the region will be yanked. If the region isn't active,
5282 the entire article will be yanked."
5284 (let ((article (cdr gnus-article-current))
5286 (if (not (gnus-region-active-p))
5287 (with-current-buffer gnus-summary-buffer
5288 (gnus-summary-followup (list (list article))))
5289 (setq contents (buffer-substring (point) (mark t)))
5290 ;; Deactivate active regions.
5291 (when (and (boundp 'transient-mark-mode)
5292 transient-mark-mode)
5293 (setq mark-active nil))
5294 (with-current-buffer gnus-summary-buffer
5295 (gnus-summary-followup
5296 (list (list article contents)))))))
5298 (defun gnus-article-hide (&optional arg force)
5299 "Hide all the gruft in the current article.
5300 This means that signatures, cited text and (some) headers will be
5302 If given a prefix, show the hidden text instead."
5303 (interactive (append (gnus-article-hidden-arg) (list 'force)))
5304 (gnus-article-hide-headers arg)
5305 (gnus-article-hide-list-identifiers arg)
5306 (gnus-article-hide-citation-maybe arg force)
5307 (gnus-article-hide-signature arg))
5309 (defun gnus-article-maybe-highlight ()
5310 "Do some article highlighting if article highlighting is requested."
5311 (when (gnus-visual-p 'article-highlight 'highlight)
5312 (gnus-article-highlight-some)))
5314 (defun gnus-check-group-server ()
5315 ;; Make sure the connection to the server is alive.
5316 (unless (gnus-server-opened
5317 (gnus-find-method-for-group gnus-newsgroup-name))
5318 (gnus-check-server (gnus-find-method-for-group gnus-newsgroup-name))
5319 (gnus-request-group gnus-newsgroup-name t)))
5322 (autoload 'nneething-get-file-name "nneething"))
5324 (defun gnus-request-article-this-buffer (article group)
5325 "Get an article and insert it into this buffer."
5326 (let (do-update-line sparse-header)
5330 (gnus-kill-all-overlays)
5331 (setq group (or group gnus-newsgroup-name))
5333 ;; Using `gnus-request-article' directly will insert the article into
5334 ;; `nntp-server-buffer' - so we'll save some time by not having to
5335 ;; copy it from the server buffer into the article buffer.
5337 ;; We only request an article by message-id when we do not have the
5338 ;; headers for it, so we'll have to get those.
5339 (when (stringp article)
5340 (gnus-read-header article))
5342 ;; If the article number is negative, that means that this article
5343 ;; doesn't belong in this newsgroup (possibly), so we find its
5344 ;; message-id and request it by id instead of number.
5345 (when (and (numberp article)
5347 (get-buffer gnus-summary-buffer)
5348 (gnus-buffer-exists-p gnus-summary-buffer))
5350 (set-buffer gnus-summary-buffer)
5351 (let ((header (gnus-summary-article-header article)))
5354 ((memq article gnus-newsgroup-sparse)
5355 ;; This is a sparse gap article.
5356 (setq do-update-line article)
5357 (setq article (mail-header-id header))
5358 (setq sparse-header (gnus-read-header article))
5359 (setq gnus-newsgroup-sparse
5360 (delq article gnus-newsgroup-sparse)))
5362 ;; It's a real article.
5363 (setq article (mail-header-id header)))
5365 ;; It is an extracted pseudo-article.
5366 (setq article 'pseudo)
5367 (gnus-request-pseudo-article header))))
5369 (let ((method (gnus-find-method-for-group
5370 gnus-newsgroup-name)))
5371 (when (and (eq (car method) 'nneething)
5373 (let ((dir (nneething-get-file-name
5374 (mail-header-id header))))
5375 (when (and (stringp dir)
5376 (file-directory-p dir))
5377 (setq article 'nneething)
5378 (gnus-group-enter-directory dir))))))))
5381 ;; Refuse to select canceled articles.
5382 ((and (numberp article)
5384 (get-buffer gnus-summary-buffer)
5385 (gnus-buffer-exists-p gnus-summary-buffer)
5386 (eq (cdr (with-current-buffer gnus-summary-buffer
5387 (assq article gnus-newsgroup-reads)))
5388 gnus-canceled-mark))
5390 ;; We first check `gnus-original-article-buffer'.
5391 ((and (get-buffer gnus-original-article-buffer)
5393 (with-current-buffer gnus-original-article-buffer
5394 (and (equal (car gnus-original-article) group)
5395 (eq (cdr gnus-original-article) article))))
5396 (insert-buffer-substring gnus-original-article-buffer)
5398 ;; Check the backlog.
5399 ((and gnus-keep-backlog
5400 (gnus-backlog-request-article group article (current-buffer)))
5402 ;; Check asynchronous pre-fetch.
5403 ((gnus-async-request-fetched-article group article (current-buffer))
5404 (gnus-async-prefetch-next group article gnus-summary-buffer)
5405 (when (and (numberp article) gnus-keep-backlog)
5406 (gnus-backlog-enter-article group article (current-buffer)))
5409 ((and gnus-use-cache
5411 (gnus-cache-request-article article group))
5413 ;; Check the agent cache.
5414 ((gnus-agent-request-article article group)
5416 ;; Get the article and put into the article buffer.
5417 ((or (stringp article)
5419 (let ((gnus-override-method gnus-override-method)
5420 (methods (and (stringp article)
5421 gnus-refer-article-method))
5422 (backend (car (gnus-find-method-for-group
5423 gnus-newsgroup-name)))
5425 (inhibit-read-only t))
5426 (if (or (not (listp methods))
5427 (and (symbolp (car methods))
5428 (assq (car methods) nnoo-definition-alist)))
5429 (setq methods (list methods)))
5430 (when (and (null gnus-override-method)
5432 (setq gnus-override-method (pop methods)))
5434 (when (eq gnus-override-method 'current)
5435 (setq gnus-override-method
5436 (with-current-buffer gnus-summary-buffer
5437 gnus-current-select-method)))
5439 (gnus-kill-all-overlays)
5440 (let ((gnus-newsgroup-name group))
5441 (gnus-check-group-server))
5443 ((gnus-request-article article group (current-buffer))
5444 (when (numberp article)
5445 (gnus-async-prefetch-next group article
5446 gnus-summary-buffer)
5447 (when gnus-keep-backlog
5448 (gnus-backlog-enter-article
5449 group article (current-buffer))))
5450 (setq result 'article))
5452 (setq gnus-override-method (pop methods)))
5453 ((not (string-match "^400 "
5454 (nnheader-get-report backend)))
5455 ;; If we get 400 server disconnect, reconnect and
5456 ;; retry; otherwise, assume the article has expired.
5457 (setq result 'done))))
5458 (and (eq result 'article) 'article)))
5462 ;; Associate this article with the current summary buffer.
5463 (setq gnus-article-current-summary gnus-summary-buffer)
5465 ;; Take the article from the original article buffer
5466 ;; and place it in the buffer it's supposed to be in.
5467 (when (and (get-buffer gnus-article-buffer)
5468 (equal (buffer-name (current-buffer))
5469 (buffer-name (get-buffer gnus-article-buffer))))
5471 (if (get-buffer gnus-original-article-buffer)
5472 (set-buffer gnus-original-article-buffer)
5473 (set-buffer (gnus-get-buffer-create gnus-original-article-buffer))
5474 (buffer-disable-undo)
5475 (setq major-mode 'gnus-original-article-mode)
5476 (setq buffer-read-only t))
5477 (let ((inhibit-read-only t))
5479 (insert-buffer-substring gnus-article-buffer))
5480 (setq gnus-original-article (cons group article)))
5483 (run-hooks 'gnus-article-decode-hook)
5484 ;; Mark article as decoded or not.
5485 (setq gnus-article-decoded-p gnus-article-decode-hook))
5487 ;; Update sparse articles.
5488 (when (and do-update-line
5489 (or (numberp article)
5491 (let ((buf (current-buffer)))
5492 (set-buffer gnus-summary-buffer)
5493 (gnus-summary-update-article do-update-line sparse-header)
5494 (gnus-summary-goto-subject do-update-line nil t)
5495 (set-window-point (gnus-get-buffer-window (current-buffer) t)
5497 (set-buffer buf))))))
5503 (defcustom gnus-article-edit-mode-hook nil
5504 "Hook run in article edit mode buffers."
5505 :group 'gnus-article-various
5508 (defvar gnus-article-edit-done-function nil)
5510 (defvar gnus-article-edit-mode-map nil)
5512 ;; Should we be using derived.el for this?
5513 (unless gnus-article-edit-mode-map
5514 (setq gnus-article-edit-mode-map (make-keymap))
5515 (set-keymap-parent gnus-article-edit-mode-map text-mode-map)
5517 (gnus-define-keys gnus-article-edit-mode-map
5518 "\C-c?" describe-mode
5519 "\C-c\C-c" gnus-article-edit-done
5520 "\C-c\C-k" gnus-article-edit-exit
5521 "\C-c\C-f\C-t" message-goto-to
5522 "\C-c\C-f\C-o" message-goto-from
5523 "\C-c\C-f\C-b" message-goto-bcc
5524 ;;"\C-c\C-f\C-w" message-goto-fcc
5525 "\C-c\C-f\C-c" message-goto-cc
5526 "\C-c\C-f\C-s" message-goto-subject
5527 "\C-c\C-f\C-r" message-goto-reply-to
5528 "\C-c\C-f\C-n" message-goto-newsgroups
5529 "\C-c\C-f\C-d" message-goto-distribution
5530 "\C-c\C-f\C-f" message-goto-followup-to
5531 "\C-c\C-f\C-m" message-goto-mail-followup-to
5532 "\C-c\C-f\C-k" message-goto-keywords
5533 "\C-c\C-f\C-u" message-goto-summary
5534 "\C-c\C-f\C-i" message-insert-or-toggle-importance
5535 "\C-c\C-f\C-a" message-generate-unsubscribed-mail-followup-to
5536 "\C-c\C-b" message-goto-body
5537 "\C-c\C-i" message-goto-signature
5539 "\C-c\C-t" message-insert-to
5540 "\C-c\C-n" message-insert-newsgroups
5541 "\C-c\C-o" message-sort-headers
5542 "\C-c\C-e" message-elide-region
5543 "\C-c\C-v" message-delete-not-region
5544 "\C-c\C-z" message-kill-to-signature
5545 "\M-\r" message-newline-and-reformat
5546 "\C-c\C-a" mml-attach-file
5547 "\C-a" message-beginning-of-line
5549 "\M-;" comment-region)
5551 (gnus-define-keys (gnus-article-edit-wash-map
5552 "\C-c\C-w" gnus-article-edit-mode-map)
5553 "f" gnus-article-edit-full-stops))
5556 gnus-article-edit-mode-field-menu gnus-article-edit-mode-map ""
5558 ["Fetch To" message-insert-to t]
5559 ["Fetch Newsgroups" message-insert-newsgroups t]
5561 ["To" message-goto-to t]
5562 ["From" message-goto-from t]
5563 ["Subject" message-goto-subject t]
5564 ["Cc" message-goto-cc t]
5565 ["Reply-To" message-goto-reply-to t]
5566 ["Summary" message-goto-summary t]
5567 ["Keywords" message-goto-keywords t]
5568 ["Newsgroups" message-goto-newsgroups t]
5569 ["Followup-To" message-goto-followup-to t]
5570 ["Mail-Followup-To" message-goto-mail-followup-to t]
5571 ["Distribution" message-goto-distribution t]
5572 ["Body" message-goto-body t]
5573 ["Signature" message-goto-signature t]))
5575 (define-derived-mode gnus-article-edit-mode message-mode "Article Edit"
5576 "Major mode for editing articles.
5577 This is an extended text-mode.
5579 \\{gnus-article-edit-mode-map}"
5580 (make-local-variable 'gnus-article-edit-done-function)
5581 (make-local-variable 'gnus-prev-winconf)
5582 (set (make-local-variable 'font-lock-defaults)
5583 '(message-font-lock-keywords t))
5584 (set (make-local-variable 'mail-header-separator) "")
5585 (set (make-local-variable 'gnus-article-edit-mode) t)
5586 (easy-menu-add message-mode-field-menu message-mode-map)
5588 (setq buffer-read-only nil)
5589 (buffer-enable-undo)
5592 (defun gnus-article-edit (&optional force)
5593 "Edit the current article.
5594 This will have permanent effect only in mail groups.
5595 If FORCE is non-nil, allow editing of articles even in read-only
5598 (when (and (not force)
5599 (gnus-group-read-only-p))
5600 (error "The current newsgroup does not support article editing"))
5601 (gnus-article-date-original)
5602 (gnus-article-edit-article
5604 `(lambda (no-highlight)
5606 (gnus-summary-edit-article-done
5607 ,(or (mail-header-references gnus-current-headers) "")
5608 ,(gnus-group-read-only-p) ,gnus-summary-buffer no-highlight))))
5610 (defun gnus-article-edit-article (start-func exit-func)
5611 "Start editing the contents of the current article buffer."
5612 (let ((winconf (current-window-configuration)))
5613 (set-buffer gnus-article-buffer)
5614 (gnus-article-edit-mode)
5615 (funcall start-func)
5616 (set-buffer-modified-p nil)
5617 (gnus-configure-windows 'edit-article)
5618 (setq gnus-article-edit-done-function exit-func)
5619 (setq gnus-prev-winconf winconf)
5620 (gnus-message 6 "C-c C-c to end edits")))
5622 (defun gnus-article-edit-done (&optional arg)
5623 "Update the article edits and exit."
5625 (let ((func gnus-article-edit-done-function)
5626 (buf (current-buffer))
5627 (start (window-start))
5629 (winconf gnus-prev-winconf))
5630 (widen) ;; Widen it in case that users narrowed the buffer.
5633 ;; The cache and backlog have to be flushed somewhat.
5634 (when gnus-keep-backlog
5635 (gnus-backlog-remove-article
5636 (car gnus-article-current) (cdr gnus-article-current)))
5637 ;; Flush original article as well.
5639 (when (get-buffer gnus-original-article-buffer)
5640 (set-buffer gnus-original-article-buffer)
5641 (setq gnus-original-article nil)))
5642 (when gnus-use-cache
5643 (gnus-cache-update-article
5644 (car gnus-article-current) (cdr gnus-article-current)))
5645 ;; We remove all text props from the article buffer.
5646 (kill-all-local-variables)
5647 (set-text-properties (point-min) (point-max) nil)
5649 (set-window-configuration winconf)
5651 (set-window-start (get-buffer-window buf) start)
5652 (set-window-point (get-buffer-window buf) (point)))
5653 (gnus-summary-show-article))
5655 (defun gnus-article-edit-exit ()
5656 "Exit the article editing without updating."
5658 (when (or (not (buffer-modified-p))
5659 (yes-or-no-p "Article modified; kill anyway? "))
5660 (let ((curbuf (current-buffer))
5662 (window-start (window-start)))
5664 (if (gnus-buffer-live-p gnus-original-article-buffer)
5665 (insert-buffer gnus-original-article-buffer))
5666 (let ((winconf gnus-prev-winconf))
5667 (kill-all-local-variables)
5669 (set-window-configuration winconf)
5670 ;; Tippy-toe some to make sure that point remains where it was.
5671 (save-current-buffer
5673 (set-window-start (get-buffer-window (current-buffer)) window-start)
5675 (gnus-summary-show-article)))
5677 (defun gnus-article-edit-full-stops ()
5678 "Interactively repair spacing at end of sentences."
5681 (goto-char (point-min))
5682 (search-forward-regexp "^$" nil t)
5683 (let ((case-fold-search nil))
5684 (query-replace-regexp "\\([.!?][])}]* \\)\\([[({A-Z]\\)" "\\1 \\2"))))
5687 ;;; Article highlights
5690 ;; Written by Per Abrahamsen <abraham@iesd.auc.dk>.
5692 ;;; Internal Variables:
5694 (defcustom gnus-button-url-regexp
5695 (if (string-match "[[:digit:]]" "1") ;; support POSIX?
5696 "\\b\\(\\(www\\.\\|\\(s?https?\\|ftp\\|file\\|gopher\\|nntp\\|news\\|telnet\\|wais\\|mailto\\|info\\):\\)\\(//[-a-z0-9_.]+:[0-9]*\\)?[-a-z0-9_=!?#$@~%&*+\\/:;.,[:word:]]+[-a-z0-9_=#$@~%&*+\\/[:word:]]\\)"
5697 "\\b\\(\\(www\\.\\|\\(s?https?\\|ftp\\|file\\|gopher\\|nntp\\|news\\|telnet\\|wais\\|mailto\\|info\\):\\)\\(//[-a-z0-9_.]+:[0-9]*\\)?\\([-a-z0-9_=!?#$@~%&*+\\/:;.,]\\|\\w\\)+\\([-a-z0-9_=#$@~%&*+\\/]\\|\\w\\)\\)")
5698 "Regular expression that matches URLs."
5699 :group 'gnus-article-buttons
5702 (defcustom gnus-button-valid-fqdn-regexp
5703 message-valid-fqdn-regexp
5704 "Regular expression that matches a valid FQDN."
5706 :group 'gnus-article-buttons
5709 (defcustom gnus-button-man-handler 'manual-entry
5710 "Function to use for displaying man pages.
5711 The function must take at least one argument with a string naming the
5714 :type '(choice (function-item :tag "Man" manual-entry)
5715 (function-item :tag "Woman" woman)
5716 (function :tag "Other"))
5717 :group 'gnus-article-buttons)
5719 (defcustom gnus-ctan-url "http://tug.ctan.org/tex-archive/"
5720 "Top directory of a CTAN \(Comprehensive TeX Archive Network\) archive.
5721 If the default site is too slow, try to find a CTAN mirror, see
5722 <URL:http://tug.ctan.org/tex-archive/CTAN.sites?action=/index.html>. See also
5723 the variable `gnus-button-handle-ctan'."
5725 :group 'gnus-article-buttons
5726 :link '(custom-manual "(gnus)Group Parameters")
5727 :type '(choice (const "http://www.tex.ac.uk/tex-archive/")
5728 (const "http://tug.ctan.org/tex-archive/")
5729 (const "http://www.dante.de/CTAN/")
5730 (string :tag "Other")))
5732 (defcustom gnus-button-ctan-handler 'browse-url
5733 "Function to use for displaying CTAN links.
5734 The function must take one argument, the string naming the URL."
5736 :type '(choice (function-item :tag "Browse Url" browse-url)
5737 (function :tag "Other"))
5738 :group 'gnus-article-buttons)
5740 (defcustom gnus-button-handle-ctan-bogus-regexp "^/?tex-archive/\\|^/"
5741 "Bogus strings removed from CTAN URLs."
5743 :group 'gnus-article-buttons
5744 :type '(choice (const "^/?tex-archive/\\|/")
5745 (regexp :tag "Other")))
5747 (defcustom gnus-button-ctan-directory-regexp
5750 "biblio\\|digests\\|dviware\\|fonts\\|graphics\\|help\\|"
5751 "indexing\\|info\\|language\\|macros\\|support\\|systems\\|"
5752 "tds\\|tools\\|usergrps\\|web\\|nonfree\\|obsolete"
5754 "Regular expression for ctan directories.
5755 It should match all directories in the top level of `gnus-ctan-url'."
5757 :group 'gnus-article-buttons
5760 (defcustom gnus-button-mid-or-mail-regexp
5761 (concat "\\b\\(<?[a-z0-9$%(*-=?[_][^<>\")!;:,{}\n\t ]*@"
5762 ;; Felix Wiemann in <87oeuomcz9.fsf@news2.ososo.de>
5763 gnus-button-valid-fqdn-regexp
5765 "Regular expression that matches a message ID or a mail address."
5767 :group 'gnus-article-buttons
5770 (defcustom gnus-button-prefer-mid-or-mail 'gnus-button-mid-or-mail-heuristic
5771 "What to do when the button on a string as \"foo123@bar.invalid\" is pushed.
5772 Strings like this can be either a message ID or a mail address. If it is one
5773 of the symbols `mid' or `mail', Gnus will always assume that the string is a
5774 message ID or a mail address, respectively. If this variable is set to the
5775 symbol `ask', always query the user what do do. If it is a function, this
5776 function will be called with the string as it's only argument. The function
5777 must return `mid', `mail', `invalid' or `ask'."
5779 :group 'gnus-article-buttons
5780 :type '(choice (function-item :tag "Heuristic function"
5781 gnus-button-mid-or-mail-heuristic)
5786 (defcustom gnus-button-mid-or-mail-heuristic-alist
5787 '((-10.0 . ".+\\$.+@")
5790 (-5.0 . "\\+[^+]*\\+.*@") ;; # two plus signs
5791 (-5.0 . "@[Nn][Ee][Ww][Ss]") ;; /\@news/i
5792 (-5.0 . "@.*[Dd][Ii][Aa][Ll][Uu][Pp]") ;; /\@.*dialup/i;
5793 (-1.0 . "^[^a-z]+@")
5795 (-5.0 . "\\.[0-9][0-9]+.*@") ;; "\.[0-9]{2,}.*\@"
5796 (-5.0 . "[a-z].*[A-Z].*[a-z].*[A-Z].*@") ;; "([a-z].*[A-Z].*){2,}\@"
5797 (-3.0 . "[A-Z][A-Z][a-z][a-z].*@")
5798 (-5.0 . "\\...?.?@") ;; (-5.0 . "\..{1,3}\@")
5801 (-1.0 . "^[0-9][0-9]")
5803 ;; -3.0 /^[0-9][0-9a-fA-F]{2,2}/;
5804 (-3.0 . "^[0-9][0-9a-fA-F][0-9a-fA-F][^0-9a-fA-F]")
5805 ;; -5.0 /^[0-9][0-9a-fA-F]{3,3}/;
5806 (-5.0 . "^[0-9][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][^0-9a-fA-F]")
5808 (-3.0 . "[0-9][0-9][0-9][0-9][0-9][^0-9].*@") ;; "[0-9]{5,}.*\@"
5809 (-3.0 . "[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][^0-9].*@")
5812 . "[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9].*@")
5814 ;; compensation for TDMA dated mail addresses:
5815 (25.0 . "-dated-[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]+.*@")
5817 (-20.0 . "\\.fsf@") ;; Gnus
5820 (-20.0 . "_-_") ;; Subject change in thread
5822 (-20.0 . "\\.ln@") ;; leafnode
5823 (-30.0 . "@ID-[0-9]+\\.[a-zA-Z]+\\.dfncis\\.de")
5824 (-30.0 . "@4[Aa][Xx]\\.com") ;; Forte Agent
5826 ;; (5.0 . "") ;; $local_part_len <= 7
5827 (10.0 . "^[^0-9]+@")
5828 (3.0 . "^[^0-9]+[0-9][0-9]?[0-9]?@")
5829 ;; ^[^0-9]+[0-9]{1,3}\@ digits only at end of local part
5832 (2.0 . "[a-z][a-z][._-][A-Z][a-z].*@")
5834 (0.5 . "^[A-Z][a-z]")
5835 (0.5 . "^[A-Z][a-z][a-z]")
5836 (1.5 . "^[A-Z][a-z][A-Z][a-z][^a-z]") ;; ^[A-Z][a-z]{3,3}
5837 (2.0 . "^[A-Z][a-z][A-Z][a-z][a-z][^a-z]")) ;; ^[A-Z][a-z]{4,4}
5838 "An alist of \(RATE . REGEXP\) pairs for `gnus-button-mid-or-mail-heuristic'.
5840 A negative RATE indicates a message IDs, whereas a positive indicates a mail
5841 address. The REGEXP is processed with `case-fold-search' set to nil."
5843 :group 'gnus-article-buttons
5844 :type '(repeat (cons (number :tag "Rate")
5845 (regexp :tag "Regexp"))))
5847 (defun gnus-button-mid-or-mail-heuristic (mid-or-mail)
5848 "Guess whether MID-OR-MAIL is a message ID or a mail address.
5849 Returns `mid' if MID-OR-MAIL is a message IDs, `mail' if it's a mail
5850 address, `ask' if unsure and `invalid' if the string is invalid."
5851 (let ((case-fold-search nil)
5852 (list gnus-button-mid-or-mail-heuristic-alist)
5853 (result 0) rate regexp lpartlen elem)
5855 (length (gnus-replace-in-string mid-or-mail "^\\(.*\\)@.*$" "\\1")))
5856 (gnus-message 8 "`%s', length of local part=`%s'." mid-or-mail lpartlen)
5857 ;; Certain special cases...
5860 "^0[0-9]+-[0-9][0-9][0-9][0-9]@t-online\\.de$\\|"
5861 "^[0-9]+\\.[0-9]+@compuserve\\|"
5862 "@public\\.gmane\\.org")
5864 (gnus-message 8 "`%s' is a known mail address." mid-or-mail)
5865 (setq result 'mail))
5866 (when (string-match "@.*@\\| " mid-or-mail)
5867 (gnus-message 8 "`%s' is invalid." mid-or-mail)
5868 (setq result 'invalid))
5869 ;; Nothing more to do, if result is not a number here...
5870 (when (numberp result)
5872 (setq elem (car list)
5876 (when (string-match regexp mid-or-mail)
5877 (setq result (+ result rate))
5879 9 "`%s' matched `%s', rate `%s', result `%s'."
5880 mid-or-mail regexp rate result)))
5881 (when (<= lpartlen 7)
5882 (setq result (+ result 5.0))
5883 (gnus-message 9 "`%s' matched (<= lpartlen 7), result `%s'."
5884 mid-or-mail result))
5885 (when (>= lpartlen 12)
5886 (gnus-message 9 "`%s' matched (>= lpartlen 12)" mid-or-mail)
5888 ((string-match "[0-9][^0-9]+[0-9].*@" mid-or-mail)
5889 ;; Long local part should contain realname if e-mail address,
5890 ;; too many digits: message-id.
5891 ;; $score -= 5.0 + 0.1 * $local_part_len;
5892 (setq rate (* -1.0 (+ 5.0 (* 0.1 lpartlen))))
5893 (setq result (+ result rate))
5895 9 "Many digits in `%s', rate `%s', result `%s'."
5896 mid-or-mail rate result))
5897 ((string-match "[^aeiouy][^aeiouy][^aeiouy][^aeiouy]+.*\@"
5899 ;; Too few vowels [^aeiouy]{4,}.*\@
5900 (setq result (+ result -5.0))
5902 9 "Few vowels in `%s', rate `%s', result `%s'."
5903 mid-or-mail -5.0 result))
5905 (setq result (+ result 5.0))
5907 9 "`%s', rate `%s', result `%s'." mid-or-mail 5.0 result)))))
5908 (gnus-message 8 "`%s': Final rate is `%s'." mid-or-mail result)
5909 ;; Maybe we should make this a customizable alist: (condition . 'result)
5911 ((symbolp result) result)
5912 ;; Now convert number into proper results:
5913 ((< result -10.0) 'mid)
5914 ((> result 10.0) 'mail)
5917 (defun gnus-button-handle-mid-or-mail (mid-or-mail)
5918 (let* ((pref gnus-button-prefer-mid-or-mail) guessed
5919 (url-mid (concat "news" ":" mid-or-mail))
5920 (url-mailto (concat "mailto" ":" mid-or-mail)))
5921 (gnus-message 9 "mid-or-mail=%s" mid-or-mail)
5922 (when (fboundp pref)
5924 ;; get rid of surrounding angles...
5926 (gnus-replace-in-string mid-or-mail "^<\\|>$" "")))
5927 (if (or (eq 'mid guessed) (eq 'mail guessed))
5931 (save-window-excursion
5932 (if (y-or-n-p (concat "Is <" mid-or-mail "> a mail address? "))
5935 (cond ((eq pref 'mid)
5936 (gnus-message 8 "calling `gnus-button-handle-news' %s" url-mid)
5937 (gnus-button-handle-news url-mid))
5939 (gnus-message 8 "calling `gnus-url-mailto' %s" url-mailto)
5940 (gnus-url-mailto url-mailto))
5941 (t (gnus-message 3 "Invalid string.")))))
5943 (defun gnus-button-handle-custom (url)
5944 "Follow a Custom URL."
5945 (customize-apropos (gnus-url-unhex-string url)))
5947 (defvar gnus-button-handle-describe-prefix "^\\(C-h\\|<?[Ff]1>?\\)")
5949 ;; FIXME: Maybe we should merge some of the functions that do quite similar
5952 (defun gnus-button-handle-describe-function (url)
5953 "Call `describe-function' when pushing the corresponding URL button."
5956 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))))
5958 (defun gnus-button-handle-describe-variable (url)
5959 "Call `describe-variable' when pushing the corresponding URL button."
5962 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))))
5964 (defun gnus-button-handle-symbol (url)
5965 "Display help on variable or function.
5966 Calls `describe-variable' or `describe-function'."
5967 (let ((sym (intern url)))
5969 ((fboundp sym) (describe-function sym))
5970 ((boundp sym) (describe-variable sym))
5971 (t (gnus-message 3 "`%s' is not a known function of variable." url)))))
5973 (defun gnus-button-handle-describe-key (url)
5974 "Call `describe-key' when pushing the corresponding URL button."
5976 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))
5977 (keys (ignore-errors (eval `(kbd ,key-string)))))
5980 (gnus-message 3 "Invalid key sequence in button: %s" key-string))))
5982 (defun gnus-button-handle-apropos (url)
5983 "Call `apropos' when pushing the corresponding URL button."
5984 (apropos (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
5986 (defun gnus-button-handle-apropos-command (url)
5987 "Call `apropos' when pushing the corresponding URL button."
5989 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
5991 (defun gnus-button-handle-apropos-variable (url)
5992 "Call `apropos' when pushing the corresponding URL button."
5994 (if (fboundp 'apropos-variable) 'apropos-variable 'apropos)
5995 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
5997 (defun gnus-button-handle-apropos-documentation (url)
5998 "Call `apropos' when pushing the corresponding URL button."
6000 (if (fboundp 'apropos-documentation) 'apropos-documentation 'apropos)
6001 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6003 (defun gnus-button-handle-library (url)
6004 "Call `locate-library' when pushing the corresponding URL button."
6005 (gnus-message 9 "url=`%s'" url)
6006 (let* ((lib (locate-library url))
6007 (file (gnus-replace-in-string (or lib "") "\.elc" ".el")))
6009 (gnus-message 1 "Cannot locale library `%s'." url)
6010 (find-file-read-only file))))
6012 (defun gnus-button-handle-ctan (url)
6013 "Call `browse-url' when pushing a CTAN URL button."
6015 gnus-button-ctan-handler
6018 (gnus-replace-in-string url gnus-button-handle-ctan-bogus-regexp ""))))
6020 (defcustom gnus-button-tex-level 5
6021 "*Integer that says how many TeX-related buttons Gnus will show.
6022 The higher the number, the more buttons will appear and the more false
6023 positives are possible. Note that you can set this variable local to
6024 specific groups. Setting it higher in TeX groups is probably a good idea.
6025 See Info node `(gnus)Group Parameters' and the variable `gnus-parameters' on
6026 how to set variables in specific groups."
6028 :group 'gnus-article-buttons
6029 :link '(custom-manual "(gnus)Group Parameters")
6032 (defcustom gnus-button-man-level 5
6033 "*Integer that says how many man-related buttons Gnus will show.
6034 The higher the number, the more buttons will appear and the more false
6035 positives are possible. Note that you can set this variable local to
6036 specific groups. Setting it higher in Unix groups is probably a good idea.
6037 See Info node `(gnus)Group Parameters' and the variable `gnus-parameters' on
6038 how to set variables in specific groups."
6040 :group 'gnus-article-buttons
6041 :link '(custom-manual "(gnus)Group Parameters")
6044 (defcustom gnus-button-emacs-level 5
6045 "*Integer that says how many emacs-related buttons Gnus will show.
6046 The higher the number, the more buttons will appear and the more false
6047 positives are possible. Note that you can set this variable local to
6048 specific groups. Setting it higher in Emacs or Gnus related groups is
6049 probably a good idea. See Info node `(gnus)Group Parameters' and the variable
6050 `gnus-parameters' on how to set variables in specific groups."
6052 :group 'gnus-article-buttons
6053 :link '(custom-manual "(gnus)Group Parameters")
6056 (defcustom gnus-button-message-level 5
6057 "*Integer that says how many buttons for news or mail messages will appear.
6058 The higher the number, the more buttons will appear and the more false
6059 positives are possible."
6060 ;; mail addresses, MIDs, URLs for news, ...
6062 :group 'gnus-article-buttons
6065 (defcustom gnus-button-browse-level 5
6066 "*Integer that says how many buttons for browsing will appear.
6067 The higher the number, the more buttons will appear and the more false
6068 positives are possible."
6069 ;; stuff handled by `browse-url' or `gnus-button-embedded-url'
6071 :group 'gnus-article-buttons
6074 (defcustom gnus-button-alist
6075 '(("<\\(url:[>\n\t ]*?\\)?\\(nntp\\|news\\):[>\n\t ]*\\([^>\n\t ]*@[^>\n\t ]*\\)>"
6076 0 (>= gnus-button-message-level 0) gnus-button-handle-news 3)
6077 ("\\b\\(nntp\\|news\\):\\([^>\n\t ]*@[^>)!;:,\n\t ]*\\)" 0 t
6078 gnus-button-handle-news 2)
6079 ("\\(\\b<\\(url:[>\n\t ]*\\)?\\(nntp\\|news\\):[>\n\t ]*\\(//\\)?\\([^>\n\t ]*\\)>\\)"
6080 1 (>= gnus-button-message-level 0) gnus-button-fetch-group 5)
6081 ("\\b\\(nntp\\|news\\):\\(//\\)?\\([^'\">\n\t ]+\\)"
6082 0 (>= gnus-button-message-level 0) gnus-button-fetch-group 3)
6083 ;; RFC 2392 (Don't allow `/' in domain part --> CID)
6084 ("\\bmid:\\(//\\)?\\([^'\">\n\t ]+@[^'\">\n\t /]+\\)"
6085 0 (>= gnus-button-message-level 0) gnus-button-message-id 2)
6086 ("\\bin\\( +article\\| +message\\)? +\\(<\\([^\n @<>]+@[^\n @<>]+\\)>\\)"
6087 2 (>= gnus-button-message-level 0) gnus-button-message-id 3)
6088 ("\\(<URL: *\\)mailto: *\\([^> \n\t]+\\)>"
6089 0 (>= gnus-button-message-level 0) gnus-url-mailto 2)
6090 ;; RFC 2368 (The mailto URL scheme)
6091 ("\\bmailto:\\([-a-z.@_+0-9%=?&/]+\\)"
6092 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
6093 ("\\bmailto:\\([^ \n\t]+\\)"
6094 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
6096 ((concat "\\bCTAN:[ \t\n]?[^>)!;:,'\n\t ]*\\("
6097 gnus-button-ctan-directory-regexp
6098 "[^][>)!;:,'\n\t ]+\\)")
6099 0 (>= gnus-button-tex-level 1) gnus-button-handle-ctan 1)
6100 ((concat "\\btex-archive/\\("
6101 gnus-button-ctan-directory-regexp
6102 "/[-_.a-z0-9/]+[-_./a-z0-9]+[/a-z0-9]\\)")
6103 1 (>= gnus-button-tex-level 6) gnus-button-handle-ctan 1)
6106 gnus-button-ctan-directory-regexp
6107 "/[-_.a-z0-9]+/[-_./a-z0-9]+[/a-z0-9]\\)")
6108 1 (>= gnus-button-tex-level 8) gnus-button-handle-ctan 1)
6109 ;; This is info (home-grown style) <info://foo/bar+baz>
6110 ("\\binfo://\\([^'\">\n\t ]+\\)"
6111 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url 1)
6112 ;; Info GNOME style <info:foo#bar_baz>
6113 ("\\binfo:\\([^('\n\t\r \"><][^'\n\t\r \"><]*\\)"
6114 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url-gnome 1)
6115 ;; Info KDE style <info:(foo)bar baz>
6116 ("<\\(info:\\(([^)]+)[^>\n\r]*\\)\\)>"
6117 1 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url-kde 2)
6118 ("\\((Info-goto-node\\|(info\\)[ \t\n]*\\(\"[^\"]*\"\\))" 0
6119 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url 2)
6120 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+i[ \t\n]+d?[ \t\n]?m[ \t\n]+\\([^ ]+ ?[^ ]+\\)[ \t\n]+RET"
6121 ;; Info links like `C-h i d m CC Mode RET'
6122 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-keystrokes 2)
6124 ("\\bcustom:\\(//\\)?\\([^'\">\n\t ]+\\)"
6125 0 (>= gnus-button-emacs-level 5) gnus-button-handle-custom 2)
6126 ("M-x[ \t\n]customize-[^ ]+[ \t\n]RET[ \t\n]\\([^ ]+\\)[ \t\n]RET" 0
6127 (>= gnus-button-emacs-level 1) gnus-button-handle-custom 1)
6128 ;; Emacs help commands
6129 ("M-x[ \t\n]+apropos[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6130 ;; regexp doesn't match arguments containing ` '.
6131 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos 1)
6132 ("M-x[ \t\n]+apropos-command[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6133 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-command 1)
6134 ("M-x[ \t\n]+apropos-variable[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6135 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-variable 1)
6136 ("M-x[ \t\n]+apropos-documentation[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6137 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-documentation 1)
6138 ;; The following entries may lead to many false positives so don't enable
6139 ;; them by default (use a high button level).
6140 ("/\\([a-z][-a-z0-9]+\\.el\\)\\>[^.?]"
6141 ;; Exclude [.?] for URLs in gmane.emacs.cvs
6142 1 (>= gnus-button-emacs-level 8) gnus-button-handle-library 1)
6143 ("`\\([a-z][-a-z0-9]+\\.el\\)'"
6144 1 (>= gnus-button-emacs-level 8) gnus-button-handle-library 1)
6145 ("`\\([a-z][a-z0-9]+-[a-z]+-[-a-z]+\\|\\(gnus\\|message\\)-[-a-z]+\\)'"
6146 0 (>= gnus-button-emacs-level 8) gnus-button-handle-symbol 1)
6147 ("`\\([a-z][a-z0-9]+-[a-z]+\\)'"
6148 0 (>= gnus-button-emacs-level 9) gnus-button-handle-symbol 1)
6149 ("(setq[ \t\n]+\\([a-z][a-z0-9]+-[-a-z0-9]+\\)[ \t\n]+.+)"
6150 1 (>= gnus-button-emacs-level 7) gnus-button-handle-describe-variable 1)
6151 ("\\bM-x[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6152 1 (>= gnus-button-emacs-level 7) gnus-button-handle-describe-function 1)
6153 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+f[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6154 0 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-function 2)
6155 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+v[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6156 0 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-variable 2)
6157 ("`\\(\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+k[ \t\n]+\\([^']+\\)\\)'"
6158 ;; Unlike the other regexps we really have to require quoting
6159 ;; here to determine where it ends.
6160 1 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-key 3)
6161 ;; This is how URLs _should_ be embedded in text (RFC 1738, RFC 2396)...
6162 ("<URL: *\\([^<>]*\\)>"
6163 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
6164 ;; RFC 2396 (2.4.3., delims) ...
6165 ("\"URL: *\\([^\"]*\\)\""
6166 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
6167 ;; RFC 2396 (2.4.3., delims) ...
6168 ("\"URL: *\\([^\"]*\\)\""
6169 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
6171 (gnus-button-url-regexp
6172 0 (>= gnus-button-browse-level 0) browse-url 0)
6174 ("\\b\\([a-z][a-z]+([1-9])\\)\\W"
6175 0 (and (>= gnus-button-man-level 1) (< gnus-button-man-level 3))
6176 gnus-button-handle-man 1)
6177 ;; more man pages: resolv.conf(5), iso_8859-1(7), xterm(1x)
6178 ("\\b\\([a-z][-_.a-z0-9]+([1-9])\\)\\W"
6179 0 (and (>= gnus-button-man-level 3) (< gnus-button-man-level 5))
6180 gnus-button-handle-man 1)
6181 ;; even more: Apache::PerlRun(3pm), PDL::IO::FastRaw(3pm),
6182 ;; SoWWWAnchor(3iv), XSelectInput(3X11), X(1), X(7)
6183 ("\\b\\(\\(?:[a-z][-+_.:a-z0-9]+([1-9][X1a-z]*)\\)\\|\\b\\(?:X([1-9])\\)\\)\\W"
6184 0 (>= gnus-button-man-level 5) gnus-button-handle-man 1)
6185 ;; MID or mail: To avoid too many false positives we don't try to catch
6186 ;; all kind of allowed MIDs or mail addresses. Domain part must contain
6187 ;; at least one dot. TLD must contain two or three chars or be a know TLD
6188 ;; (info|name|...). Put this entry near the _end_ of `gnus-button-alist'
6189 ;; so that non-ambiguous entries (see above) match first.
6190 (gnus-button-mid-or-mail-regexp
6191 0 (>= gnus-button-message-level 5) gnus-button-handle-mid-or-mail 1))
6192 "*Alist of regexps matching buttons in article bodies.
6194 Each entry has the form (REGEXP BUTTON FORM CALLBACK PAR...), where
6195 REGEXP: is the string (case insensitive) matching text around the button (can
6196 also be Lisp expression evaluating to a string),
6197 BUTTON: is the number of the regexp grouping actually matching the button,
6198 FORM: is a Lisp expression which must eval to true for the button to
6200 CALLBACK: is the function to call when the user push this button, and each
6201 PAR: is a number of a regexp grouping whose text will be passed to CALLBACK.
6203 CALLBACK can also be a variable, in that case the value of that
6204 variable it the real callback function."
6205 :group 'gnus-article-buttons
6206 :type '(repeat (list (choice regexp variable sexp)
6207 (integer :tag "Button")
6209 (function :tag "Callback")
6212 (integer :tag "Regexp group")))))
6214 (defcustom gnus-header-button-alist
6215 '(("^\\(References\\|Message-I[Dd]\\|^In-Reply-To\\):" "<[^<>]+>"
6216 0 (>= gnus-button-message-level 0) gnus-button-message-id 0)
6217 ("^\\(From\\|Reply-To\\):" ": *\\(.+\\)$"
6218 1 (>= gnus-button-message-level 0) gnus-button-reply 1)
6219 ("^\\(Cc\\|To\\):" "[^ \t\n<>,()\"]+@[^ \t\n<>,()\"]+"
6220 0 (>= gnus-button-message-level 0) gnus-button-mailto 0)
6221 ("^X-[Uu][Rr][Ll]:" gnus-button-url-regexp
6222 0 (>= gnus-button-browse-level 0) browse-url 0)
6223 ("^Subject:" gnus-button-url-regexp
6224 0 (>= gnus-button-browse-level 0) browse-url 0)
6225 ("^[^:]+:" gnus-button-url-regexp
6226 0 (>= gnus-button-browse-level 0) browse-url 0)
6227 ("^[^:]+:" "\\bmailto:\\([-a-z.@_+0-9%=?&/]+\\)"
6228 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
6229 ("^[^:]+:" "\\(<\\(url: \\)?\\(nntp\\|news\\):\\([^>\n ]*\\)>\\)"
6230 1 (>= gnus-button-message-level 0) gnus-button-message-id 4))
6231 "*Alist of headers and regexps to match buttons in article heads.
6233 This alist is very similar to `gnus-button-alist', except that each
6234 alist has an additional HEADER element first in each entry:
6236 \(HEADER REGEXP BUTTON FORM CALLBACK PAR)
6238 HEADER is a regexp to match a header. For a fuller explanation, see
6239 `gnus-button-alist'."
6240 :group 'gnus-article-buttons
6241 :group 'gnus-article-headers
6242 :type '(repeat (list (regexp :tag "Header")
6243 (choice regexp variable)
6244 (integer :tag "Button")
6246 (function :tag "Callback")
6249 (integer :tag "Regexp group")))))
6253 (defun gnus-article-push-button (event)
6254 "Check text under the mouse pointer for a callback function.
6255 If the text under the mouse pointer has a `gnus-callback' property,
6256 call it with the value of the `gnus-data' text property."
6258 (set-buffer (window-buffer (posn-window (event-start event))))
6259 (let* ((pos (posn-point (event-start event)))
6260 (data (get-text-property pos 'gnus-data))
6261 (fun (get-text-property pos 'gnus-callback)))
6264 (funcall fun data))))
6266 (defun gnus-article-press-button ()
6267 "Check text at point for a callback function.
6268 If the text at point has a `gnus-callback' property,
6269 call it with the value of the `gnus-data' text property."
6271 (let ((data (get-text-property (point) 'gnus-data))
6272 (fun (get-text-property (point) 'gnus-callback)))
6274 (funcall fun data))))
6276 (defun gnus-article-highlight (&optional force)
6277 "Highlight current article.
6278 This function calls `gnus-article-highlight-headers',
6279 `gnus-article-highlight-citation',
6280 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
6281 do the highlighting. See the documentation for those functions."
6282 (interactive (list 'force))
6283 (gnus-article-highlight-headers)
6284 (gnus-article-highlight-citation force)
6285 (gnus-article-highlight-signature)
6286 (gnus-article-add-buttons force)
6287 (gnus-article-add-buttons-to-head))
6289 (defun gnus-article-highlight-some (&optional force)
6290 "Highlight current article.
6291 This function calls `gnus-article-highlight-headers',
6292 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
6293 do the highlighting. See the documentation for those functions."
6294 (interactive (list 'force))
6295 (gnus-article-highlight-headers)
6296 (gnus-article-highlight-signature)
6297 (gnus-article-add-buttons))
6299 (defun gnus-article-highlight-headers ()
6300 "Highlight article headers as specified by `gnus-header-face-alist'."
6302 (gnus-with-article-headers
6303 (let ((alist gnus-header-face-alist)
6304 entry regexp header-face field-face from hpoints fpoints)
6305 (while (setq entry (pop alist))
6306 (goto-char (point-min))
6307 (setq regexp (concat "^\\("
6308 (if (string-equal "" (nth 0 entry))
6312 header-face (nth 1 entry)
6313 field-face (nth 2 entry))
6314 (while (and (re-search-forward regexp nil t)
6318 (unless (search-forward ":" nil t)
6320 (when (and header-face
6321 (not (memq (point) hpoints)))
6322 (push (point) hpoints)
6323 (gnus-put-text-property from (point) 'face header-face))
6324 (when (and field-face
6325 (not (memq (setq from (point)) fpoints)))
6327 (if (re-search-forward "^[^ \t]" nil t)
6329 (goto-char (point-max)))
6330 (gnus-put-text-property from (point) 'face field-face)))))))
6332 (defun gnus-article-highlight-signature ()
6333 "Highlight the signature in an article.
6334 It does this by highlighting everything after
6335 `gnus-signature-separator' using `gnus-signature-face'."
6337 (gnus-with-article-buffer
6338 (let ((inhibit-point-motion-hooks t))
6340 (when (and gnus-signature-face
6341 (gnus-article-narrow-to-signature))
6342 (gnus-overlay-put (gnus-make-overlay (point-min) (point-max))
6343 'face gnus-signature-face)
6345 (gnus-article-search-signature)
6346 (let ((start (match-beginning 0))
6347 (end (set-marker (make-marker) (1+ (match-end 0)))))
6348 (gnus-article-add-button start (1- end) 'gnus-signature-toggle
6351 (defun gnus-button-in-region-p (b e prop)
6352 "Say whether PROP exists in the region."
6353 (text-property-not-all b e prop nil))
6355 (defun gnus-article-add-buttons (&optional force)
6356 "Find external references in the article and make buttons of them.
6357 \"External references\" are things like Message-IDs and URLs, as
6358 specified by `gnus-button-alist'."
6359 (interactive (list 'force))
6360 (gnus-with-article-buffer
6361 (let ((inhibit-point-motion-hooks t)
6362 (case-fold-search t)
6363 (alist gnus-button-alist)
6365 ;; Remove all old markers.
6366 (let (marker entry new-list)
6367 (while (setq marker (pop gnus-button-marker-list))
6368 (if (or (< marker (point-min)) (>= marker (point-max)))
6369 (push marker new-list)
6371 (when (setq entry (gnus-button-entry))
6372 (put-text-property (match-beginning (nth 1 entry))
6373 (match-end (nth 1 entry))
6374 'gnus-callback nil))
6375 (set-marker marker nil)))
6376 (setq gnus-button-marker-list new-list))
6377 ;; We skip the headers.
6380 (while (setq entry (pop alist))
6381 (setq regexp (eval (car entry)))
6383 (while (re-search-forward regexp nil t)
6384 (let* ((start (and entry (match-beginning (nth 1 entry))))
6385 (end (and entry (match-end (nth 1 entry))))
6386 (from (match-beginning 0)))
6387 (when (and (or (eq t (nth 2 entry))
6388 (eval (nth 2 entry)))
6389 (not (gnus-button-in-region-p
6390 start end 'gnus-callback)))
6391 ;; That optional form returned non-nil, so we add the
6393 (gnus-article-add-button
6394 start end 'gnus-button-push
6395 (car (push (set-marker (make-marker) from)
6396 gnus-button-marker-list))))))))))
6398 ;; Add buttons to the head of an article.
6399 (defun gnus-article-add-buttons-to-head ()
6400 "Add buttons to the head of the article."
6402 (gnus-with-article-headers
6403 (let ((alist gnus-header-button-alist)
6406 ;; Each alist entry.
6407 (setq entry (pop alist))
6408 (goto-char (point-min))
6409 (while (re-search-forward (car entry) nil t)
6410 ;; Each header matching the entry.
6411 (setq beg (match-beginning 0))
6412 (setq end (or (and (re-search-forward "^[^ \t]" nil t)
6413 (match-beginning 0))
6416 (while (re-search-forward (eval (nth 1 entry)) end t)
6417 ;; Each match within a header.
6418 (let* ((entry (cdr entry))
6419 (start (match-beginning (nth 1 entry)))
6420 (end (match-end (nth 1 entry)))
6421 (form (nth 2 entry)))
6422 (goto-char (match-end 0))
6424 (gnus-article-add-button
6425 start end (nth 3 entry)
6426 (buffer-substring (match-beginning (nth 4 entry))
6427 (match-end (nth 4 entry)))))))
6428 (goto-char end))))))
6430 ;;; External functions:
6432 (defun gnus-article-add-button (from to fun &optional data)
6433 "Create a button between FROM and TO with callback FUN and data DATA."
6434 (when gnus-article-button-face
6435 (gnus-overlay-put (gnus-make-overlay from to)
6436 'face gnus-article-button-face))
6437 (gnus-add-text-properties
6439 (nconc (and gnus-article-mouse-face
6440 (list gnus-mouse-face-prop gnus-article-mouse-face))
6441 (list 'gnus-callback fun)
6442 (and data (list 'gnus-data data))))
6443 (widget-convert-button 'link from to :action 'gnus-widget-press-button
6444 :button-keymap gnus-widget-button-keymap))
6446 ;;; Internal functions:
6448 (defun gnus-article-set-globals ()
6449 (with-current-buffer gnus-summary-buffer
6450 (gnus-set-global-variables)))
6452 (defun gnus-signature-toggle (end)
6453 (gnus-with-article-buffer
6454 (let ((inhibit-point-motion-hooks t))
6455 (if (text-property-any end (point-max) 'article-type 'signature)
6457 (gnus-delete-wash-type 'signature)
6458 (gnus-remove-text-properties-when
6459 'article-type 'signature end (point-max)
6460 (cons 'article-type (cons 'signature
6461 gnus-hidden-properties))))
6462 (gnus-add-wash-type 'signature)
6463 (gnus-add-text-properties-when
6464 'article-type nil end (point-max)
6465 (cons 'article-type (cons 'signature
6466 gnus-hidden-properties)))))
6467 (let ((gnus-article-mime-handle-alist-1 gnus-article-mime-handle-alist))
6468 (gnus-set-mode-line 'article))))
6470 (defun gnus-button-entry ()
6471 ;; Return the first entry in `gnus-button-alist' matching this place.
6472 (let ((alist gnus-button-alist)
6475 (setq entry (pop alist))
6476 (if (looking-at (eval (car entry)))
6481 (defun gnus-button-push (marker)
6482 ;; Push button starting at MARKER.
6485 (let* ((entry (gnus-button-entry))
6486 (inhibit-point-motion-hooks t)
6488 (args (mapcar (lambda (group)
6489 (let ((string (match-string group)))
6490 (set-text-properties
6491 0 (length string) nil string)
6498 (fboundp (symbol-value fun)))
6499 (apply (symbol-value fun) args))
6501 (gnus-message 1 "You must define `%S' to use this button"
6502 (cons fun args)))))))
6504 (defun gnus-parse-news-url (url)
6505 (let (scheme server group message-id articles)
6508 (goto-char (point-min))
6509 (when (looking-at "\\([A-Za-z]+\\):")
6510 (setq scheme (match-string 1))
6511 (goto-char (match-end 0)))
6512 (when (looking-at "//\\([^/]+\\)/")
6513 (setq server (match-string 1))
6514 (goto-char (match-end 0)))
6517 ((looking-at "\\(.*@.*\\)")
6518 (setq message-id (match-string 1)))
6519 ((looking-at "\\([^/]+\\)/\\([-0-9]+\\)")
6520 (setq group (match-string 1)
6521 articles (split-string (match-string 2) "-")))
6522 ((looking-at "\\([^/]+\\)/?")
6523 (setq group (match-string 1)))
6525 (error "Unknown news URL syntax"))))
6526 (list scheme server group message-id articles)))
6528 (defun gnus-button-handle-news (url)
6530 (destructuring-bind (scheme server group message-id articles)
6531 (gnus-parse-news-url url)
6535 (set-buffer gnus-summary-buffer)
6537 (let ((gnus-refer-article-method (list (list 'nntp server))))
6538 (gnus-summary-refer-article message-id))
6539 (gnus-summary-refer-article message-id))))
6541 (gnus-button-fetch-group url)))))
6543 (defun gnus-button-handle-man (url)
6545 (gnus-message 9 "`%s' `%s'" gnus-button-man-handler url)
6546 (when (eq gnus-button-man-handler 'woman)
6547 (setq url (gnus-replace-in-string url "([1-9][X1a-z]*).*\\'" "")))
6548 (gnus-message 9 "`%s' `%s'" gnus-button-man-handler url)
6549 (funcall gnus-button-man-handler url))
6551 (defun gnus-button-handle-info-url (url)
6552 "Fetch an info URL."
6553 (setq url (mm-subst-char-in-string ?+ ?\ url))
6555 ((string-match "^\\([^:/]+\\)?/\\(.*\\)" url)
6556 (gnus-info-find-node
6557 (concat "(" (or (gnus-url-unhex-string (match-string 1 url))
6559 ")" (gnus-url-unhex-string (match-string 2 url)))))
6560 ((string-match "([^)\"]+)[^\"]+" url)
6562 (gnus-replace-in-string
6563 (gnus-replace-in-string url "[\n\t ]+" " ") "\"" ""))
6564 (gnus-info-find-node url))
6565 (t (error "Can't parse %s" url))))
6567 (defun gnus-button-handle-info-url-gnome (url)
6568 "Fetch GNOME style info URL."
6569 (setq url (mm-subst-char-in-string ?_ ?\ url))
6570 (if (string-match "\\([^#]+\\)#?\\(.*\\)" url)
6571 (gnus-info-find-node
6573 (gnus-url-unhex-string
6574 (match-string 1 url))
6576 (or (gnus-url-unhex-string
6577 (match-string 2 url))
6579 (error "Can't parse %s" url)))
6581 (defun gnus-button-handle-info-url-kde (url)
6582 "Fetch KDE style info URL."
6583 (gnus-info-find-node (gnus-url-unhex-string url)))
6585 (defun gnus-button-handle-info-keystrokes (url)
6586 "Call `info' when pushing the corresponding URL button."
6587 ;; For links like `C-h i d m gnus RET', `C-h i d m CC Mode RET'.
6592 (defun gnus-button-message-id (message-id)
6594 (with-current-buffer gnus-summary-buffer
6595 (gnus-summary-refer-article message-id)))
6597 (defun gnus-button-fetch-group (address)
6598 "Fetch GROUP specified by ADDRESS."
6599 (if (not (string-match "[:/]" address))
6600 ;; This is just a simple group url.
6601 (gnus-group-read-ephemeral-group address gnus-select-method)
6604 "^\\([^:/]+\\)\\(:\\([^/]+\\)\\)?/\\([^/]+\\)\\(/\\([0-9]+\\)\\)?"
6606 (error "Can't parse %s" address)
6607 (gnus-group-read-ephemeral-group
6608 (match-string 4 address)
6609 `(nntp ,(match-string 1 address)
6610 (nntp-address ,(match-string 1 address))
6611 (nntp-port-number ,(if (match-end 3)
6612 (match-string 3 address)
6615 (and (match-end 6) (list (string-to-int (match-string 6 address))))))))
6617 (defun gnus-url-parse-query-string (query &optional downcase)
6618 (let (retval pairs cur key val)
6619 (setq pairs (split-string query "&"))
6621 (setq cur (car pairs)
6623 (if (not (string-match "=" cur))
6625 (setq key (gnus-url-unhex-string (substring cur 0 (match-beginning 0)))
6626 val (gnus-url-unhex-string (substring cur (match-end 0) nil) t))
6628 (setq key (downcase key)))
6629 (setq cur (assoc key retval))
6631 (setcdr cur (cons val (cdr cur)))
6632 (setq retval (cons (list key val) retval)))))
6635 (defun gnus-url-mailto (url)
6636 ;; Send mail to someone
6637 (when (string-match "mailto:/*\\(.*\\)" url)
6638 (setq url (substring url (match-beginning 1) nil)))
6639 (let (to args subject func)
6640 (setq args (gnus-url-parse-query-string
6641 (if (string-match "^\\?" url)
6643 (if (string-match "^\\([^?]+\\)\\?\\(.*\\)" url)
6644 (concat "to=" (match-string 1 url) "&"
6645 (match-string 2 url))
6646 (concat "to=" url)))
6648 subject (cdr-safe (assoc "subject" args)))
6651 (setq func (intern-soft (concat "message-goto-" (downcase (caar args)))))
6654 (message-position-on-field (caar args)))
6655 (insert (gnus-replace-in-string
6656 (mapconcat 'identity (reverse (cdar args)) ", ")
6658 (setq args (cdr args)))
6661 (message-goto-subject))))
6663 (defun gnus-button-embedded-url (address)
6664 "Activate ADDRESS with `browse-url'."
6665 (browse-url (gnus-strip-whitespace address)))
6667 ;;; Next/prev buttons in the article buffer.
6669 (defvar gnus-next-page-line-format "%{%(Next page...%)%}\n")
6670 (defvar gnus-prev-page-line-format "%{%(Previous page...%)%}\n")
6672 (defvar gnus-prev-page-map
6673 (let ((map (make-sparse-keymap)))
6674 (define-key map gnus-mouse-2 'gnus-button-prev-page)
6675 (define-key map "\r" 'gnus-button-prev-page)
6678 (defvar gnus-next-page-map
6679 (let ((map (make-sparse-keymap)))
6680 (unless (>= emacs-major-version 21)
6681 ;; XEmacs doesn't care.
6682 (set-keymap-parent map gnus-article-mode-map))
6683 (define-key map gnus-mouse-2 'gnus-button-next-page)
6684 (define-key map "\r" 'gnus-button-next-page)
6687 (defun gnus-insert-prev-page-button ()
6689 (inhibit-read-only t))
6691 gnus-prev-page-line-format nil
6692 `(keymap ,gnus-prev-page-map
6694 gnus-callback gnus-article-button-prev-page
6695 article-type annotation))
6696 (widget-convert-button
6698 ;; Exclude a newline.
6701 :action 'gnus-button-prev-page
6702 :button-keymap gnus-prev-page-map)))
6704 (defun gnus-button-next-page (&optional args more-args)
6705 "Go to the next page."
6707 (let ((win (selected-window)))
6708 (select-window (gnus-get-buffer-window gnus-article-buffer t))
6709 (gnus-article-next-page)
6710 (select-window win)))
6712 (defun gnus-button-prev-page (&optional args more-args)
6713 "Go to the prev page."
6715 (let ((win (selected-window)))
6716 (select-window (gnus-get-buffer-window gnus-article-buffer t))
6717 (gnus-article-prev-page)
6718 (select-window win)))
6720 (defun gnus-insert-next-page-button ()
6722 (inhibit-read-only t))
6723 (gnus-eval-format gnus-next-page-line-format nil
6724 `(keymap ,gnus-next-page-map
6726 gnus-callback gnus-article-button-next-page
6727 article-type annotation))
6728 (widget-convert-button
6730 ;; Exclude a newline.
6733 :action 'gnus-button-next-page
6734 :button-keymap gnus-next-page-map)))
6736 (defun gnus-article-button-next-page (arg)
6737 "Go to the next page."
6739 (let ((win (selected-window)))
6740 (select-window (gnus-get-buffer-window gnus-article-buffer t))
6741 (gnus-article-next-page)
6742 (select-window win)))
6744 (defun gnus-article-button-prev-page (arg)
6745 "Go to the prev page."
6747 (let ((win (selected-window)))
6748 (select-window (gnus-get-buffer-window gnus-article-buffer t))
6749 (gnus-article-prev-page)
6750 (select-window win)))
6752 (defvar gnus-decode-header-methods
6753 '(mail-decode-encoded-word-region)
6754 "List of methods used to decode headers.
6756 This variable is a list of FUNCTION or (REGEXP . FUNCTION). If item
6757 is FUNCTION, FUNCTION will be applied to all newsgroups. If item is a
6758 \(REGEXP . FUNCTION), FUNCTION will be only apply to the newsgroups
6759 whose names match REGEXP.
6762 \((\"chinese\" . gnus-decode-encoded-word-region-by-guess)
6763 mail-decode-encoded-word-region
6764 (\"chinese\" . rfc1843-decode-region))
6767 (defvar gnus-decode-header-methods-cache nil)
6769 (defun gnus-multi-decode-header (start end)
6770 "Apply the functions from `gnus-encoded-word-methods' that match."
6771 (unless (and gnus-decode-header-methods-cache
6772 (eq gnus-newsgroup-name
6773 (car gnus-decode-header-methods-cache)))
6774 (setq gnus-decode-header-methods-cache (list gnus-newsgroup-name))
6777 (nconc gnus-decode-header-methods-cache (list x))
6778 (if (and gnus-newsgroup-name
6779 (string-match (car x) gnus-newsgroup-name))
6780 (nconc gnus-decode-header-methods-cache
6782 gnus-decode-header-methods))
6783 (let ((xlist gnus-decode-header-methods-cache))
6786 (narrow-to-region start end)
6788 (funcall (pop xlist) (point-min) (point-max))))))
6791 ;;; Treatment top-level handling.
6794 (defun gnus-treat-article (condition &optional part-number total-parts type)
6795 (let ((length (- (point-max) (point-min)))
6796 (alist gnus-treatment-function-alist)
6797 (article-goto-body-goes-to-point-min-p t)
6801 (let ((list gnus-article-treat-types))
6803 (when (string-match (pop list) type)
6804 (throw 'found t)))))))
6805 (highlightp (gnus-visual-p 'article-highlight 'highlight))
6807 (gnus-run-hooks 'gnus-part-display-hook)
6808 (dolist (elem alist)
6811 (when (gnus-buffer-live-p gnus-summary-buffer)
6812 (set-buffer gnus-summary-buffer))
6813 (symbol-value (car elem))))
6814 (when (and (or (consp val)
6816 (gnus-treat-predicate val)
6817 (or (not (get (car elem) 'highlight))
6820 (funcall (cadr elem)))))))
6822 ;; Dynamic variables.
6824 (defvar part-number)
6825 (defvar total-parts)
6830 (defun gnus-treat-predicate (val)
6837 (stringp (car val)))
6838 (apply 'gnus-or (mapcar `(lambda (s)
6839 (string-match s ,(or gnus-newsgroup-name "")))
6842 (let ((pred (pop val)))
6845 (apply 'gnus-or (mapcar 'gnus-treat-predicate val)))
6847 (apply 'gnus-and (mapcar 'gnus-treat-predicate val)))
6849 (not (gnus-treat-predicate (car val))))
6851 (equal (car val) type))
6853 (error "%S is not a valid predicate" pred)))))
6859 (eq part-number total-parts))
6863 (error "%S is not a valid value" val))))
6865 (defun gnus-article-encrypt-body (protocol &optional n)
6866 "Encrypt the article body."
6869 (or gnus-article-encrypt-protocol
6870 (completing-read "Encrypt protocol: "
6871 gnus-article-encrypt-protocol-alist
6873 current-prefix-arg))
6874 (let ((func (cdr (assoc protocol gnus-article-encrypt-protocol-alist))))
6876 (error (format "Can't find the encrypt protocol %s" protocol)))
6877 (if (member gnus-newsgroup-name '("nndraft:delayed"
6880 (error "Can't encrypt the article in group %s"
6881 gnus-newsgroup-name))
6882 (gnus-summary-iterate n
6884 (set-buffer gnus-summary-buffer)
6885 (let ((mail-parse-charset gnus-newsgroup-charset)
6886 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets)
6887 (summary-buffer gnus-summary-buffer)
6889 (gnus-set-global-variables)
6890 (when (gnus-group-read-only-p)
6891 (error "The current newsgroup does not support article encrypt"))
6892 (gnus-summary-show-article t)
6894 (or (mail-header-references gnus-current-headers) ""))
6895 (set-buffer gnus-article-buffer)
6896 (let* ((inhibit-read-only t)
6898 (mapcar (lambda (field)
6899 (and (save-restriction
6900 (message-narrow-to-head)
6901 (goto-char (point-min))
6902 (search-forward field nil t))
6904 (message-narrow-to-field)
6906 (delete-region (point-min) (point-max))
6908 '("Content-Type:" "Content-Transfer-Encoding:"
6909 "Content-Disposition:"))))
6910 (message-narrow-to-head)
6911 (message-remove-header "MIME-Version")
6912 (goto-char (point-max))
6913 (setq point (point))
6914 (insert (apply 'concat headers))
6916 (narrow-to-region point (point-max))
6917 (let ((message-options message-options))
6918 (message-options-set 'message-sender user-mail-address)
6919 (message-options-set 'message-recipients user-mail-address)
6920 (message-options-set 'message-sign-encrypt 'not)
6922 (goto-char (point-min))
6923 (insert "MIME-Version: 1.0\n")
6925 (gnus-summary-edit-article-done
6926 references nil summary-buffer t))
6927 (when gnus-keep-backlog
6928 (gnus-backlog-remove-article
6929 (car gnus-article-current) (cdr gnus-article-current)))
6931 (when (get-buffer gnus-original-article-buffer)
6932 (set-buffer gnus-original-article-buffer)
6933 (setq gnus-original-article nil)))
6934 (when gnus-use-cache
6935 (gnus-cache-update-article
6936 (car gnus-article-current) (cdr gnus-article-current))))))))
6938 (defvar gnus-mime-security-button-line-format "%{%([[%t:%i]%D]%)%}\n"
6939 "The following specs can be used:
6940 %t The security MIME type
6943 %D Details if button is pressed")
6945 (defvar gnus-mime-security-button-end-line-format "%{%([[End of %t]%D]%)%}\n"
6946 "The following specs can be used:
6947 %t The security MIME type
6950 %D Details if button is pressed")
6952 (defvar gnus-mime-security-button-line-format-alist
6953 '((?t gnus-tmp-type ?s)
6954 (?i gnus-tmp-info ?s)
6955 (?d gnus-tmp-details ?s)
6956 (?D gnus-tmp-pressed-details ?s)))
6958 (defvar gnus-mime-security-button-map
6959 (let ((map (make-sparse-keymap)))
6960 (define-key map gnus-mouse-2 'gnus-article-push-button)
6961 (define-key map "\r" 'gnus-article-press-button)
6964 (defvar gnus-mime-security-details-buffer nil)
6966 (defvar gnus-mime-security-button-pressed nil)
6968 (defvar gnus-mime-security-show-details-inline t
6969 "If non-nil, show details in the article buffer.")
6971 (defun gnus-mime-security-verify-or-decrypt (handle)
6972 (mm-remove-parts (cdr handle))
6973 (let ((region (mm-handle-multipart-ctl-parameter handle 'gnus-region))
6974 point (inhibit-read-only t))
6976 (goto-char (car region)))
6978 (narrow-to-region (point) (point))
6979 (with-current-buffer (mm-handle-multipart-original-buffer handle)
6980 (let* ((mm-verify-option 'known)
6981 (mm-decrypt-option 'known)
6982 (nparts (mm-possibly-verify-or-decrypt (cdr handle) handle)))
6983 (unless (eq nparts (cdr handle))
6984 (mm-destroy-parts (cdr handle))
6985 (setcdr handle nparts))))
6986 (setq point (point))
6987 (gnus-mime-display-security handle)
6988 (goto-char (point-max)))
6990 (delete-region (point) (cdr region))
6991 (set-marker (car region) nil)
6992 (set-marker (cdr region) nil))
6995 (defun gnus-mime-security-show-details (handle)
6996 (let ((details (mm-handle-multipart-ctl-parameter handle 'gnus-details)))
6998 (gnus-message 5 "No details.")
6999 (if gnus-mime-security-show-details-inline
7000 (let ((gnus-mime-security-button-pressed
7001 (not (get-text-property (point) 'gnus-mime-details)))
7002 (gnus-mime-security-button-line-format
7003 (get-text-property (point) 'gnus-line-format))
7004 (inhibit-read-only t))
7006 (while (eq (get-text-property (point) 'gnus-line-format)
7007 gnus-mime-security-button-line-format)
7011 (narrow-to-region (point) (point))
7012 (gnus-insert-mime-security-button handle))
7013 (delete-region (point)
7014 (or (text-property-not-all
7017 gnus-mime-security-button-line-format)
7020 (if (gnus-buffer-live-p gnus-mime-security-details-buffer)
7021 (with-current-buffer gnus-mime-security-details-buffer
7024 (setq gnus-mime-security-details-buffer
7025 (gnus-get-buffer-create "*MIME Security Details*")))
7026 (with-current-buffer gnus-mime-security-details-buffer
7028 (goto-char (point-min)))
7029 (pop-to-buffer gnus-mime-security-details-buffer)))))
7031 (defun gnus-mime-security-press-button (handle)
7033 (if (mm-handle-multipart-ctl-parameter handle 'gnus-info)
7034 (gnus-mime-security-show-details handle)
7035 (gnus-mime-security-verify-or-decrypt handle))))
7037 (defun gnus-insert-mime-security-button (handle &optional displayed)
7038 (let* ((protocol (mm-handle-multipart-ctl-parameter handle 'protocol))
7041 (or (nth 2 (assoc protocol mm-verify-function-alist))
7042 (nth 2 (assoc protocol mm-decrypt-function-alist))
7044 (if (equal (car handle) "multipart/signed")
7045 " Signed" " Encrypted")
7048 (or (mm-handle-multipart-ctl-parameter handle 'gnus-info)
7051 (mm-handle-multipart-ctl-parameter handle 'gnus-details))
7052 gnus-tmp-pressed-details
7054 (setq gnus-tmp-details
7055 (if gnus-tmp-details
7056 (concat "\n" gnus-tmp-details)
7058 (setq gnus-tmp-pressed-details
7059 (if gnus-mime-security-button-pressed gnus-tmp-details ""))
7064 gnus-mime-security-button-line-format
7065 gnus-mime-security-button-line-format-alist
7066 `(keymap ,gnus-mime-security-button-map
7067 gnus-callback gnus-mime-security-press-button
7068 gnus-line-format ,gnus-mime-security-button-line-format
7069 gnus-mime-details ,gnus-mime-security-button-pressed
7070 article-type annotation
7073 ;; Exclude a newline.
7076 (widget-convert-button
7079 :action 'gnus-widget-press-button
7080 :button-keymap gnus-mime-security-button-map
7082 (lambda (widget/window &optional overlay pos)
7083 ;; Needed to properly clear the message due to a bug in
7084 ;; wid-edit (XEmacs only).
7085 (when (boundp 'help-echo-owns-message)
7086 (setq help-echo-owns-message t))
7089 (aref gnus-mouse-2 0))))))
7091 (defun gnus-mime-display-security (handle)
7093 (narrow-to-region (point) (point))
7094 (unless (gnus-unbuttonized-mime-type-p (car handle))
7095 (gnus-insert-mime-security-button handle))
7096 (gnus-mime-display-mixed (cdr handle))
7099 (unless (gnus-unbuttonized-mime-type-p (car handle))
7100 (let ((gnus-mime-security-button-line-format
7101 gnus-mime-security-button-end-line-format))
7102 (gnus-insert-mime-security-button handle)))
7103 (mm-set-handle-multipart-parameter
7105 (cons (set-marker (make-marker) (point-min))
7106 (set-marker (make-marker) (point-max))))))
7112 (run-hooks 'gnus-art-load-hook)
7114 ;;; arch-tag: 2654516f-6279-48f9-a83b-05c1fa450c33
7115 ;;; gnus-art.el ends here