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'."
218 :group 'gnus-article-hiding)
220 (defcustom gnus-signature-separator '("^-- $" "^-- *$")
221 "Regexp matching signature separator.
222 This can also be a list of regexps. In that case, it will be checked
223 from head to tail looking for a separator. Searches will be done from
224 the end of the buffer."
225 :type '(repeat string)
226 :group 'gnus-article-signature)
228 (defcustom gnus-signature-limit nil
229 "Provide a limit to what is considered a signature.
230 If it is a number, no signature may not be longer (in characters) than
231 that number. If it is a floating point number, no signature may be
232 longer (in lines) than that number. If it is a function, the function
233 will be called without any parameters, and if it returns nil, there is
234 no signature in the buffer. If it is a string, it will be used as a
235 regexp. If it matches, the text in question is not a signature."
236 :type '(choice (integer :value 200)
238 (function :value fun)
239 (regexp :value ".*"))
240 :group 'gnus-article-signature)
242 (defcustom gnus-hidden-properties '(invisible t intangible t)
243 "Property list to use for hiding text."
245 :group 'gnus-article-hiding)
247 ;; Fixme: This isn't the right thing for mixed graphical and non-graphical
248 ;; frames in a session.
249 (defcustom gnus-article-x-face-command
250 (if (featurep 'xemacs)
251 (if (or (gnus-image-type-available-p 'xface)
252 (gnus-image-type-available-p 'pbm))
253 'gnus-display-x-face-in-from
254 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | ee -")
255 (if (gnus-image-type-available-p 'pbm)
256 'gnus-display-x-face-in-from
257 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | \
259 "*String or function to be executed to display an X-Face header.
260 If it is a string, the command will be executed in a sub-shell
261 asynchronously. The compressed face will be piped to this command."
262 :type `(choice string
263 (function-item gnus-display-x-face-in-from)
267 :group 'gnus-article-washing)
269 (defcustom gnus-article-x-face-too-ugly nil
270 "Regexp matching posters whose face shouldn't be shown automatically."
271 :type '(choice regexp (const nil))
272 :group 'gnus-article-washing)
274 (defcustom gnus-article-banner-alist nil
275 "Banner alist for stripping.
277 ((egroups . \"^[ \\t\\n]*-------------------+\\\\( \\\\(e\\\\|Yahoo! \\\\)Groups Sponsor -+\\\\)?....\\n\\\\(.+\\n\\\\)+\"))"
279 :type '(repeat (cons symbol regexp))
280 :group 'gnus-article-washing)
282 (gnus-define-group-parameter
285 "Alist of regexps (to match group names) and banner."
286 :variable-group gnus-article-washing
288 '(choice :tag "Banner"
290 (const :tag "Remove signature" signature)
291 (symbol :tag "Item in `gnus-article-banner-alist'" none)
293 (const :tag "None" nil))
295 "If non-nil, specify how to remove `banners' from articles.
297 Symbol `signature' means to remove signatures delimited by
298 `gnus-signature-separator'. Any other symbol is used to look up a
299 regular expression to match the banner in `gnus-article-banner-alist'.
300 A string is used as a regular expression to match the banner
303 (defcustom gnus-article-address-banner-alist nil
304 "Alist of mail addresses and banners.
305 Each element has the form (ADDRESS . BANNER), where ADDRESS is a regexp
306 to match a mail address in the From: header, BANNER is one of a symbol
307 `signature', an item in `gnus-article-banner-alist', a regexp and nil.
308 If ADDRESS matches author's mail address, it will remove things like
309 advertisements. For example:
311 \((\"@yoo-hoo\\\\.co\\\\.jp\\\\'\" . \"\\n_+\\nDo You Yoo-hoo!\\\\?\\n.*\\n.*\\n\"))
315 (regexp :tag "Address")
316 (choice :tag "Banner" :value nil
317 (const :tag "Remove signature" signature)
318 (symbol :tag "Item in `gnus-article-banner-alist'" none)
320 (const :tag "None" nil))))
321 :group 'gnus-article-washing)
323 (defcustom gnus-emphasis-alist
325 "\\(\\s-\\|^\\|\\=\\|[-\"]\\|\\s(\\)\\(%s\\(\\w+\\(\\s-+\\w+\\)*[.,]?\\)%s\\)\\(\\([-,.;:!?\"]\\|\\s)\\)+\\s-\\|[?!.]\\s-\\|\\s)\\|\\s-\\)")
330 ("_/" "/_" underline-italic)
331 ("_\\*" "\\*_" underline-bold)
332 ("\\*/" "/\\*" bold-italic)
333 ("_\\*/" "/\\*_" underline-bold-italic))))
337 (format format (car spec) (cadr spec))
338 2 3 (intern (format "gnus-emphasis-%s" (nth 2 spec)))))
340 ("\\(\\s-\\|^\\)\\(_\\(\\(\\w\\|_[^_]\\)+\\)_\\)\\(\\s-\\|[?!.,;]\\)"
341 2 3 gnus-emphasis-underline)))
342 "*Alist that says how to fontify certain phrases.
343 Each item looks like this:
345 (\"_\\\\(\\\\w+\\\\)_\" 0 1 'underline)
347 The first element is a regular expression to be matched. The second
348 is a number that says what regular expression grouping used to find
349 the entire emphasized word. The third is a number that says what
350 regexp grouping should be displayed and highlighted. The fourth
351 is the face used for highlighting."
352 :type '(repeat (list :value ("" 0 0 default)
354 (integer :tag "Match group")
355 (integer :tag "Emphasize group")
357 :group 'gnus-article-emphasis)
359 (defcustom gnus-emphasize-whitespace-regexp "^[ \t]+\\|[ \t]*\n"
360 "A regexp to describe whitespace which should not be emphasized.
361 Typical values are \"^[ \\t]+\\\\|[ \\t]*\\n\" and \"[ \\t]+\\\\|[ \\t]*\\n\".
362 The former avoids underlining of leading and trailing whitespace,
363 and the latter avoids underlining any whitespace at all."
365 :group 'gnus-article-emphasis
368 (defface gnus-emphasis-bold '((t (:bold t)))
369 "Face used for displaying strong emphasized text (*word*)."
370 :group 'gnus-article-emphasis)
372 (defface gnus-emphasis-italic '((t (:italic t)))
373 "Face used for displaying italic emphasized text (/word/)."
374 :group 'gnus-article-emphasis)
376 (defface gnus-emphasis-underline '((t (:underline t)))
377 "Face used for displaying underlined emphasized text (_word_)."
378 :group 'gnus-article-emphasis)
380 (defface gnus-emphasis-underline-bold '((t (:bold t :underline t)))
381 "Face used for displaying underlined bold emphasized text (_*word*_)."
382 :group 'gnus-article-emphasis)
384 (defface gnus-emphasis-underline-italic '((t (:italic t :underline t)))
385 "Face used for displaying underlined italic emphasized text (_/word/_)."
386 :group 'gnus-article-emphasis)
388 (defface gnus-emphasis-bold-italic '((t (:bold t :italic t)))
389 "Face used for displaying bold italic emphasized text (/*word*/)."
390 :group 'gnus-article-emphasis)
392 (defface gnus-emphasis-underline-bold-italic
393 '((t (:bold t :italic t :underline t)))
394 "Face used for displaying underlined bold italic emphasized text.
395 Example: (_/*word*/_)."
396 :group 'gnus-article-emphasis)
398 (defface gnus-emphasis-strikethru (if (featurep 'xemacs)
399 '((t (:strikethru t)))
400 '((t (:strike-through t))))
401 "Face used for displaying strike-through text (-word-)."
402 :group 'gnus-article-emphasis)
404 (defface gnus-emphasis-highlight-words
405 '((t (:background "black" :foreground "yellow")))
406 "Face used for displaying highlighted words."
407 :group 'gnus-article-emphasis)
409 (defcustom gnus-article-time-format "%a, %b %d %Y %T %Z"
410 "Format for display of Date headers in article bodies.
411 See `format-time-string' for the possible values.
413 The variable can also be function, which should return a complete Date
414 header. The function is called with one argument, the time, which can
415 be fed to `format-time-string'."
416 :type '(choice string symbol)
417 :link '(custom-manual "(gnus)Article Date")
418 :group 'gnus-article-washing)
421 (autoload 'mail-extract-address-components "mail-extr"))
423 (defcustom gnus-save-all-headers t
424 "*If non-nil, don't remove any headers before saving."
425 :group 'gnus-article-saving
428 (defcustom gnus-prompt-before-saving 'always
429 "*This variable says how much prompting is to be done when saving articles.
430 If it is nil, no prompting will be done, and the articles will be
431 saved to the default files. If this variable is `always', each and
432 every article that is saved will be preceded by a prompt, even when
433 saving large batches of articles. If this variable is neither nil not
434 `always', there the user will be prompted once for a file name for
435 each invocation of the saving commands."
436 :group 'gnus-article-saving
437 :type '(choice (item always)
438 (item :tag "never" nil)
439 (sexp :tag "once" :format "%t\n" :value t)))
441 (defcustom gnus-saved-headers gnus-visible-headers
442 "Headers to keep if `gnus-save-all-headers' is nil.
443 If `gnus-save-all-headers' is non-nil, this variable will be ignored.
444 If that variable is nil, however, all headers that match this regexp
445 will be kept while the rest will be deleted before saving."
446 :group 'gnus-article-saving
449 (defcustom gnus-default-article-saver 'gnus-summary-save-in-rmail
450 "A function to save articles in your favourite format.
451 The function must be interactively callable (in other words, it must
452 be an Emacs command).
454 Gnus provides the following functions:
456 * gnus-summary-save-in-rmail (Rmail format)
457 * gnus-summary-save-in-mail (Unix mail format)
458 * gnus-summary-save-in-folder (MH folder)
459 * gnus-summary-save-in-file (article format)
460 * gnus-summary-save-body-in-file (article body)
461 * gnus-summary-save-in-vm (use VM's folder format)
462 * gnus-summary-write-to-file (article format -- overwrite)."
463 :group 'gnus-article-saving
464 :type '(radio (function-item gnus-summary-save-in-rmail)
465 (function-item gnus-summary-save-in-mail)
466 (function-item gnus-summary-save-in-folder)
467 (function-item gnus-summary-save-in-file)
468 (function-item gnus-summary-save-body-in-file)
469 (function-item gnus-summary-save-in-vm)
470 (function-item gnus-summary-write-to-file)))
472 (defcustom gnus-rmail-save-name 'gnus-plain-save-name
473 "A function generating a file name to save articles in Rmail format.
474 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
475 :group 'gnus-article-saving
478 (defcustom gnus-mail-save-name 'gnus-plain-save-name
479 "A function generating a file name to save articles in Unix mail format.
480 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
481 :group 'gnus-article-saving
484 (defcustom gnus-folder-save-name 'gnus-folder-save-name
485 "A function generating a file name to save articles in MH folder.
486 The function is called with NEWSGROUP, HEADERS, and optional LAST-FOLDER."
487 :group 'gnus-article-saving
490 (defcustom gnus-file-save-name 'gnus-numeric-save-name
491 "A function generating a file name to save articles in article format.
492 The function is called with NEWSGROUP, HEADERS, and optional
494 :group 'gnus-article-saving
497 (defcustom gnus-split-methods
498 '((gnus-article-archive-name)
499 (gnus-article-nndoc-name))
500 "*Variable used to suggest where articles are to be saved.
501 For instance, if you would like to save articles related to Gnus in
502 the file \"gnus-stuff\", and articles related to VM in \"vm-stuff\",
503 you could set this variable to something like:
505 '((\"^Subject:.*gnus\\|^Newsgroups:.*gnus\" \"gnus-stuff\")
506 (\"^Subject:.*vm\\|^Xref:.*vm\" \"vm-stuff\"))
508 This variable is an alist where the where the key is the match and the
509 value is a list of possible files to save in if the match is non-nil.
511 If the match is a string, it is used as a regexp match on the
512 article. If the match is a symbol, that symbol will be funcalled
513 from the buffer of the article to be saved with the newsgroup as the
514 parameter. If it is a list, it will be evaled in the same buffer.
516 If this form or function returns a string, this string will be used as
517 a possible file name; and if it returns a non-nil list, that list will
518 be used as possible file names."
519 :group 'gnus-article-saving
520 :type '(repeat (choice (list :value (fun) function)
521 (cons :value ("" "") regexp (repeat string))
524 (defcustom gnus-page-delimiter "^\^L"
525 "*Regexp describing what to use as article page delimiters.
526 The default value is \"^\^L\", which is a form linefeed at the
527 beginning of a line."
529 :group 'gnus-article-various)
531 (defcustom gnus-article-mode-line-format "Gnus: %g [%w] %S%m"
532 "*The format specification for the article mode line.
533 See `gnus-summary-mode-line-format' for a closer description.
535 The following additional specs are available:
537 %w The article washing status.
538 %m The number of MIME parts in the article."
540 :group 'gnus-article-various)
542 (defcustom gnus-article-mode-hook nil
543 "*A hook for Gnus article mode."
545 :group 'gnus-article-various)
547 (when (featurep 'xemacs)
548 ;; Extracted from gnus-xmas-define in order to preserve user settings
549 (when (fboundp 'turn-off-scroll-in-place)
550 (add-hook 'gnus-article-mode-hook 'turn-off-scroll-in-place))
551 ;; Extracted from gnus-xmas-redefine in order to preserve user settings
552 (add-hook 'gnus-article-mode-hook 'gnus-xmas-article-menu-add))
554 (defcustom gnus-article-menu-hook nil
555 "*Hook run after the creation of the article mode menu."
557 :group 'gnus-article-various)
559 (defcustom gnus-article-prepare-hook nil
560 "*A hook called after an article has been prepared in the article buffer."
562 :group 'gnus-article-various)
564 (make-obsolete-variable 'gnus-article-hide-pgp-hook
565 "This variable is obsolete in Gnus 5.10.")
567 (defcustom gnus-article-button-face 'bold
568 "Face used for highlighting buttons in the article buffer.
570 An article button is a piece of text that you can activate by pressing
571 `RET' or `mouse-2' above it."
573 :group 'gnus-article-buttons)
575 (defcustom gnus-article-mouse-face 'highlight
576 "Face used for mouse highlighting in the article buffer.
578 Article buttons will be displayed in this face when the cursor is
581 :group 'gnus-article-buttons)
583 (defcustom gnus-signature-face 'gnus-signature-face
584 "Face used for highlighting a signature in the article buffer.
585 Obsolete; use the face `gnus-signature-face' for customizations instead."
587 :group 'gnus-article-highlight
588 :group 'gnus-article-signature)
590 (defface gnus-signature-face
593 "Face used for highlighting a signature in the article buffer."
594 :group 'gnus-article-highlight
595 :group 'gnus-article-signature)
597 (defface gnus-header-from-face
600 (:foreground "spring green"))
603 (:foreground "red3"))
606 "Face used for displaying from headers."
607 :group 'gnus-article-headers
608 :group 'gnus-article-highlight)
610 (defface gnus-header-subject-face
613 (:foreground "SeaGreen3"))
616 (:foreground "red4"))
618 (:bold t :italic t)))
619 "Face used for displaying subject headers."
620 :group 'gnus-article-headers
621 :group 'gnus-article-highlight)
623 (defface gnus-header-newsgroups-face
626 (:foreground "yellow" :italic t))
629 (:foreground "MidnightBlue" :italic t))
632 "Face used for displaying newsgroups headers.
633 In the default setup this face is only used for crossposted
635 :group 'gnus-article-headers
636 :group 'gnus-article-highlight)
638 (defface gnus-header-name-face
641 (:foreground "SeaGreen"))
644 (:foreground "maroon"))
647 "Face used for displaying header names."
648 :group 'gnus-article-headers
649 :group 'gnus-article-highlight)
651 (defface gnus-header-content-face
654 (:foreground "forest green" :italic t))
657 (:foreground "indianred4" :italic t))
659 (:italic t))) "Face used for displaying header content."
660 :group 'gnus-article-headers
661 :group 'gnus-article-highlight)
663 (defcustom gnus-header-face-alist
664 '(("From" nil gnus-header-from-face)
665 ("Subject" nil gnus-header-subject-face)
666 ("Newsgroups:.*," nil gnus-header-newsgroups-face)
667 ("" gnus-header-name-face gnus-header-content-face))
668 "*Controls highlighting of article headers.
670 An alist of the form (HEADER NAME CONTENT).
672 HEADER is a regular expression which should match the name of a
673 header and NAME and CONTENT are either face names or nil.
675 The name of each header field will be displayed using the face
676 specified by the first element in the list where HEADER matches
677 the header name and NAME is non-nil. Similarly, the content will
678 be displayed by the first non-nil matching CONTENT face."
679 :group 'gnus-article-headers
680 :group 'gnus-article-highlight
681 :type '(repeat (list (regexp :tag "Header")
683 (item :tag "skip" nil)
684 (face :value default))
685 (choice :tag "Content"
686 (item :tag "skip" nil)
687 (face :value default)))))
689 (defcustom gnus-article-decode-hook
690 '(article-decode-charset article-decode-encoded-words
691 article-decode-group-name article-decode-idna-rhs)
692 "*Hook run to decode charsets in articles."
693 :group 'gnus-article-headers
696 (defcustom gnus-display-mime-function 'gnus-display-mime
697 "Function to display MIME articles."
698 :group 'gnus-article-mime
701 (defvar gnus-decode-header-function 'mail-decode-encoded-word-region
702 "Function used to decode headers.")
704 (defvar gnus-article-dumbquotes-map
724 "Table for MS-to-Latin1 translation.")
726 (defcustom gnus-ignored-mime-types nil
727 "List of MIME types that should be ignored by Gnus."
729 :group 'gnus-article-mime
730 :type '(repeat regexp))
732 (defcustom gnus-unbuttonized-mime-types '(".*/.*")
733 "List of MIME types that should not be given buttons when rendered inline.
734 See also `gnus-buttonized-mime-types' which may override this variable.
735 This variable is only used when `gnus-inhibit-mime-unbuttonizing' is nil."
737 :group 'gnus-article-mime
738 :type '(repeat regexp))
740 (defcustom gnus-buttonized-mime-types nil
741 "List of MIME types that should be given buttons when rendered inline.
742 If set, this variable overrides `gnus-unbuttonized-mime-types'.
743 To see e.g. security buttons you could set this to
744 `(\"multipart/signed\")'.
745 This variable is only used when `gnus-inhibit-mime-unbuttonizing' is nil."
747 :group 'gnus-article-mime
748 :type '(repeat regexp))
750 (defcustom gnus-inhibit-mime-unbuttonizing nil
751 "If non-nil, all MIME parts get buttons.
752 When nil (the default value), then some MIME parts do not get buttons,
753 as described by the variables `gnus-buttonized-mime-types' and
754 `gnus-unbuttonized-mime-types'."
756 :group 'gnus-article-mime
759 (defcustom gnus-body-boundary-delimiter "_"
760 "String used to delimit header and body.
761 This variable is used by `gnus-article-treat-body-boundary' which can
762 be controlled by `gnus-treat-body-boundary'."
763 :group 'gnus-article-various
764 :type '(choice (item :tag "None" :value nil)
767 (defcustom gnus-picon-databases '("/usr/lib/picon" "/usr/local/faces")
768 "Defines the location of the faces database.
769 For information on obtaining this database of pretty pictures, please
770 see http://www.cs.indiana.edu/picons/ftp/index.html"
771 :type '(repeat directory)
772 :link '(url-link :tag "download"
773 "http://www.cs.indiana.edu/picons/ftp/index.html")
774 :link '(custom-manual "(gnus)Picons")
777 (defun gnus-picons-installed-p ()
778 "Say whether picons are installed on your machine."
779 (let ((installed nil))
780 (dolist (database gnus-picon-databases)
781 (when (file-exists-p database)
785 (defcustom gnus-article-mime-part-function nil
786 "Function called with a MIME handle as the argument.
787 This is meant for people who want to do something automatic based
788 on parts -- for instance, adding Vcard info to a database."
789 :group 'gnus-article-mime
792 (defcustom gnus-mime-multipart-functions nil
793 "An alist of MIME types to functions to display them."
795 :group 'gnus-article-mime
796 :type '(repeat (cons :format "%v" (string :tag "MIME type") function)))
798 (defcustom gnus-article-date-lapsed-new-header nil
799 "Whether the X-Sent and Date headers can coexist.
800 When using `gnus-treat-date-lapsed', the \"X-Sent:\" header will
801 either replace the old \"Date:\" header (if this variable is nil), or
802 be added below it (otherwise)."
804 :group 'gnus-article-headers
807 (defcustom gnus-article-mime-match-handle-function 'undisplayed-alternative
808 "Function called with a MIME handle as the argument.
809 This is meant for people who want to view first matched part.
810 For `undisplayed-alternative' (default), the first undisplayed
811 part or alternative part is used. For `undisplayed', the first
812 undisplayed part is used. For a function, the first part which
813 the function return t is used. For nil, the first part is
816 :group 'gnus-article-mime
818 (item :tag "first" :value nil)
819 (item :tag "undisplayed" :value undisplayed)
820 (item :tag "undisplayed or alternative"
821 :value undisplayed-alternative)
824 (defcustom gnus-mime-action-alist
825 '(("save to file" . gnus-mime-save-part)
826 ("save and strip" . gnus-mime-save-part-and-strip)
827 ("delete part" . gnus-mime-delete-part)
828 ("display as text" . gnus-mime-inline-part)
829 ("view the part" . gnus-mime-view-part)
830 ("pipe to command" . gnus-mime-pipe-part)
831 ("toggle display" . gnus-article-press-button)
832 ("toggle display" . gnus-article-view-part-as-charset)
833 ("view as type" . gnus-mime-view-part-as-type)
834 ("view internally" . gnus-mime-view-part-internally)
835 ("view externally" . gnus-mime-view-part-externally))
836 "An alist of actions that run on the MIME attachment."
837 :group 'gnus-article-mime
838 :type '(repeat (cons (string :tag "name")
842 ;;; The treatment variables
845 (defvar gnus-part-display-hook nil
846 "Hook called on parts that are to receive treatment.")
848 (defvar gnus-article-treat-custom
849 '(choice (const :tag "Off" nil)
851 (const :tag "Header" head)
852 (const :tag "Last" last)
853 (integer :tag "Less")
854 (repeat :tag "Groups" regexp)
855 (sexp :tag "Predicate")))
857 (defvar gnus-article-treat-head-custom
858 '(choice (const :tag "Off" nil)
859 (const :tag "Header" head)))
861 (defvar gnus-article-treat-types '("text/plain")
864 (defvar gnus-inhibit-treatment nil
865 "Whether to inhibit treatment.")
867 (defcustom gnus-treat-highlight-signature '(or t (typep "text/x-vcard"))
868 "Highlight the signature.
869 Valid values are nil, t, `head', `last', an integer or a predicate.
870 See Info node `(gnus)Customizing Articles'."
871 :group 'gnus-article-treat
872 :link '(custom-manual "(gnus)Customizing Articles")
873 :type gnus-article-treat-custom)
874 (put 'gnus-treat-highlight-signature 'highlight t)
876 (defcustom gnus-treat-buttonize 100000
878 Valid values are nil, t, `head', `last', an integer or a predicate.
879 See Info node `(gnus)Customizing Articles'."
880 :group 'gnus-article-treat
881 :link '(custom-manual "(gnus)Customizing Articles")
882 :type gnus-article-treat-custom)
883 (put 'gnus-treat-buttonize 'highlight t)
885 (defcustom gnus-treat-buttonize-head 'head
886 "Add buttons to the head.
887 Valid values are nil, t, `head', `last', an integer or a predicate.
888 See Info node `(gnus)Customizing Articles' for details."
889 :group 'gnus-article-treat
890 :link '(custom-manual "(gnus)Customizing Articles")
891 :type gnus-article-treat-head-custom)
892 (put 'gnus-treat-buttonize-head 'highlight t)
894 (defcustom gnus-treat-emphasize
895 (and (or window-system
899 Valid values are nil, t, `head', `last', an integer or a predicate.
900 See Info node `(gnus)Customizing Articles' for details."
901 :group 'gnus-article-treat
902 :link '(custom-manual "(gnus)Customizing Articles")
903 :type gnus-article-treat-custom)
904 (put 'gnus-treat-emphasize 'highlight t)
906 (defcustom gnus-treat-strip-cr nil
907 "Remove carriage returns.
908 Valid values are nil, t, `head', `last', an integer or a predicate.
909 See Info node `(gnus)Customizing Articles' for details."
910 :group 'gnus-article-treat
911 :link '(custom-manual "(gnus)Customizing Articles")
912 :type gnus-article-treat-custom)
914 (defcustom gnus-treat-unsplit-urls nil
915 "Remove newlines from within URLs.
916 Valid values are nil, t, `head', `last', an integer or a predicate.
917 See Info node `(gnus)Customizing Articles' for details."
918 :group 'gnus-article-treat
919 :link '(custom-manual "(gnus)Customizing Articles")
920 :type gnus-article-treat-custom)
922 (defcustom gnus-treat-leading-whitespace nil
923 "Remove leading whitespace in headers.
924 Valid values are nil, t, `head', `last', an integer or a predicate.
925 See Info node `(gnus)Customizing Articles' for details."
926 :group 'gnus-article-treat
927 :link '(custom-manual "(gnus)Customizing Articles")
928 :type gnus-article-treat-custom)
930 (defcustom gnus-treat-hide-headers 'head
932 Valid values are nil, t, `head', `last', an integer or a predicate.
933 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-head-custom)
938 (defcustom gnus-treat-hide-boring-headers nil
939 "Hide boring headers.
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-signature nil
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-custom)
954 (defcustom gnus-treat-fill-article 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-hide-citation 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-maybe 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-strip-list-identifiers 'head
979 "Strip list identifiers from `gnus-list-identifiers`.
980 Valid values are nil, t, `head', `last', an integer or a predicate.
981 See Info node `(gnus)Customizing Articles' for details."
983 :group 'gnus-article-treat
984 :link '(custom-manual "(gnus)Customizing Articles")
985 :type gnus-article-treat-custom)
987 (make-obsolete-variable 'gnus-treat-strip-pgp
988 "This option is obsolete in Gnus 5.10.")
990 (defcustom gnus-treat-strip-pem nil
991 "Strip PEM signatures.
992 Valid values are nil, t, `head', `last', an integer or a predicate.
993 See Info node `(gnus)Customizing Articles' for details."
994 :group 'gnus-article-treat
995 :link '(custom-manual "(gnus)Customizing Articles")
996 :type gnus-article-treat-custom)
998 (defcustom gnus-treat-strip-banner t
999 "Strip banners from articles.
1000 The banner to be stripped is specified in the `banner' group parameter.
1001 Valid values are nil, t, `head', `last', an integer or a predicate.
1002 See Info node `(gnus)Customizing Articles' for details."
1003 :group 'gnus-article-treat
1004 :link '(custom-manual "(gnus)Customizing Articles")
1005 :type gnus-article-treat-custom)
1007 (defcustom gnus-treat-highlight-headers 'head
1008 "Highlight the headers.
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-head-custom)
1014 (put 'gnus-treat-highlight-headers 'highlight t)
1016 (defcustom gnus-treat-highlight-citation t
1017 "Highlight cited text.
1018 Valid values are nil, t, `head', `last', an integer or a predicate.
1019 See Info node `(gnus)Customizing Articles' for details."
1020 :group 'gnus-article-treat
1021 :link '(custom-manual "(gnus)Customizing Articles")
1022 :type gnus-article-treat-custom)
1023 (put 'gnus-treat-highlight-citation 'highlight t)
1025 (defcustom gnus-treat-date-ut nil
1026 "Display the Date in UT (GMT).
1027 Valid values are nil, t, `head', `last', an integer or a predicate.
1028 See Info node `(gnus)Customizing Articles' for details."
1029 :group 'gnus-article-treat
1030 :link '(custom-manual "(gnus)Customizing Articles")
1031 :type gnus-article-treat-head-custom)
1033 (defcustom gnus-treat-date-local nil
1034 "Display the Date in the local timezone.
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-english nil
1042 "Display the Date in a format that can be read aloud in English.
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-lapsed nil
1050 "Display the Date header in a way that says how much time has elapsed.
1051 Valid values are nil, t, `head', `last', an integer or a predicate.
1052 See Info node `(gnus)Customizing Articles' for details."
1053 :group 'gnus-article-treat
1054 :link '(custom-manual "(gnus)Customizing Articles")
1055 :type gnus-article-treat-head-custom)
1057 (defcustom gnus-treat-date-original nil
1058 "Display the date in the original timezone.
1059 Valid values are nil, t, `head', `last', an integer or a predicate.
1060 See Info node `(gnus)Customizing Articles' for details."
1061 :group 'gnus-article-treat
1062 :link '(custom-manual "(gnus)Customizing Articles")
1063 :type gnus-article-treat-head-custom)
1065 (defcustom gnus-treat-date-iso8601 nil
1066 "Display the date in the ISO8601 format.
1067 Valid values are nil, t, `head', `last', an integer or a predicate.
1068 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-user-defined nil
1075 "Display the date in a user-defined format.
1076 The format is defined by the `gnus-article-time-format' variable.
1077 Valid values are nil, t, `head', `last', an integer or a predicate.
1078 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-strip-headers-in-body t
1084 "Strip the X-No-Archive header line from the beginning of the body.
1085 Valid values are nil, t, `head', `last', an integer or a predicate.
1086 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-custom)
1092 (defcustom gnus-treat-strip-trailing-blank-lines nil
1093 "Strip trailing blank lines.
1094 Valid values are nil, t, `head', `last', an integer or a predicate.
1095 See Info node `(gnus)Customizing Articles' for details."
1096 :group 'gnus-article-treat
1097 :link '(custom-manual "(gnus)Customizing Articles")
1098 :type gnus-article-treat-custom)
1100 (defcustom gnus-treat-strip-leading-blank-lines nil
1101 "Strip leading blank lines.
1102 Valid values are nil, t, `head', `last', an integer or a predicate.
1103 See Info node `(gnus)Customizing Articles' for details."
1104 :group 'gnus-article-treat
1105 :link '(custom-manual "(gnus)Customizing Articles")
1106 :type gnus-article-treat-custom)
1108 (defcustom gnus-treat-strip-multiple-blank-lines nil
1109 "Strip multiple blank lines.
1110 Valid values are nil, t, `head', `last', an integer or a predicate.
1111 See Info node `(gnus)Customizing Articles' for details."
1112 :group 'gnus-article-treat
1113 :link '(custom-manual "(gnus)Customizing Articles")
1114 :type gnus-article-treat-custom)
1116 (defcustom gnus-treat-unfold-headers 'head
1117 "Unfold folded header lines.
1118 Valid values are nil, t, `head', `last', an integer or a predicate.
1119 See Info node `(gnus)Customizing Articles' for details."
1120 :group 'gnus-article-treat
1121 :link '(custom-manual "(gnus)Customizing Articles")
1122 :type gnus-article-treat-custom)
1124 (defcustom gnus-treat-fold-headers nil
1126 Valid values are nil, t, `head', `last', an integer or a predicate.
1127 See Info node `(gnus)Customizing Articles' for details."
1128 :group 'gnus-article-treat
1129 :link '(custom-manual "(gnus)Customizing Articles")
1130 :type gnus-article-treat-custom)
1132 (defcustom gnus-treat-fold-newsgroups 'head
1133 "Fold the Newsgroups and Followup-To headers.
1134 Valid values are nil, t, `head', `last', an integer or a predicate.
1135 See Info node `(gnus)Customizing Articles' for details."
1136 :group 'gnus-article-treat
1137 :link '(custom-manual "(gnus)Customizing Articles")
1138 :type gnus-article-treat-custom)
1140 (defcustom gnus-treat-overstrike t
1141 "Treat overstrike highlighting.
1142 Valid values are nil, t, `head', `last', an integer or a predicate.
1143 See Info node `(gnus)Customizing Articles' for details."
1144 :group 'gnus-article-treat
1145 :link '(custom-manual "(gnus)Customizing Articles")
1146 :type gnus-article-treat-custom)
1147 (put 'gnus-treat-overstrike 'highlight t)
1149 (defcustom gnus-treat-ansi-sequences (if (locate-library "ansi-color") t)
1150 "Treat ANSI SGR control sequences.
1151 Valid values are nil, t, `head', `last', an integer or a predicate.
1152 See Info node `(gnus)Customizing Articles' for details."
1153 :group 'gnus-article-treat
1154 :link '(custom-manual "(gnus)Customizing Articles")
1155 :type gnus-article-treat-custom)
1157 (make-obsolete-variable 'gnus-treat-display-xface
1158 'gnus-treat-display-x-face)
1160 (defcustom gnus-treat-display-x-face
1161 (and (not noninteractive)
1162 (or (and (fboundp 'image-type-available-p)
1163 (image-type-available-p 'xbm)
1164 (string-match "^0x" (shell-command-to-string "uncompface"))
1165 (executable-find "icontopbm"))
1166 (and (featurep 'xemacs)
1169 "Display X-Face headers.
1170 Valid values are nil, t, `head', `last', an integer or a predicate.
1171 See Info node `(gnus)Customizing Articles' and Info node
1172 `(gnus)X-Face' for details."
1173 :group 'gnus-article-treat
1175 :link '(custom-manual "(gnus)Customizing Articles")
1176 :link '(custom-manual "(gnus)X-Face")
1177 :type gnus-article-treat-head-custom
1178 :set (lambda (symbol value)
1181 (cond ((or (boundp symbol) (get symbol 'saved-value))
1183 ((boundp 'gnus-treat-display-xface)
1185 ** gnus-treat-display-xface is an obsolete variable;\
1186 use gnus-treat-display-x-face instead")
1187 (default-value 'gnus-treat-display-xface))
1188 ((get 'gnus-treat-display-xface 'saved-value)
1190 ** gnus-treat-display-xface is an obsolete variable;\
1191 use gnus-treat-display-x-face instead")
1192 (eval (car (get 'gnus-treat-display-xface 'saved-value))))
1195 (put 'gnus-treat-display-x-face 'highlight t)
1197 (defcustom gnus-treat-display-face
1198 (and (not noninteractive)
1199 (or (and (fboundp 'image-type-available-p)
1200 (image-type-available-p 'png))
1201 (and (featurep 'xemacs)
1204 "Display Face headers.
1205 Valid values are nil, t, `head', `last', an integer or a predicate.
1206 See Info node `(gnus)Customizing Articles' and Info node
1207 `(gnus)X-Face' for details."
1208 :group 'gnus-article-treat
1210 :link '(custom-manual "(gnus)Customizing Articles")
1211 :link '(custom-manual "(gnus)X-Face")
1212 :type gnus-article-treat-head-custom)
1213 (put 'gnus-treat-display-face 'highlight t)
1215 (defcustom gnus-treat-display-smileys
1216 (if (or (and (featurep 'xemacs)
1218 (and (fboundp 'image-type-available-p)
1219 (image-type-available-p 'pbm)))
1222 Valid values are nil, t, `head', `last', an integer or a predicate.
1223 See Info node `(gnus)Customizing Articles' and Info node
1224 `(gnus)Smileys' for details."
1225 :group 'gnus-article-treat
1227 :link '(custom-manual "(gnus)Customizing Articles")
1228 :link '(custom-manual "(gnus)Smileys")
1229 :type gnus-article-treat-custom)
1230 (put 'gnus-treat-display-smileys 'highlight t)
1232 (defcustom gnus-treat-from-picon
1233 (if (and (gnus-image-type-available-p 'xpm)
1234 (gnus-picons-installed-p))
1236 "Display picons in the From header.
1237 Valid values are nil, t, `head', `last', an integer or a predicate.
1238 See Info node `(gnus)Customizing Articles' and Info node
1239 `(gnus)Picons' for details."
1240 :group 'gnus-article-treat
1242 :link '(custom-manual "(gnus)Customizing Articles")
1243 :link '(custom-manual "(gnus)Picons")
1244 :type gnus-article-treat-head-custom)
1245 (put 'gnus-treat-from-picon 'highlight t)
1247 (defcustom gnus-treat-mail-picon
1248 (if (and (gnus-image-type-available-p 'xpm)
1249 (gnus-picons-installed-p))
1251 "Display picons in To and Cc headers.
1252 Valid values are nil, t, `head', `last', an integer or a predicate.
1253 See Info node `(gnus)Customizing Articles' and Info node
1254 `(gnus)Picons' for details."
1255 :group 'gnus-article-treat
1257 :link '(custom-manual "(gnus)Customizing Articles")
1258 :link '(custom-manual "(gnus)Picons")
1259 :type gnus-article-treat-head-custom)
1260 (put 'gnus-treat-mail-picon 'highlight t)
1262 (defcustom gnus-treat-newsgroups-picon
1263 (if (and (gnus-image-type-available-p 'xpm)
1264 (gnus-picons-installed-p))
1266 "Display picons in the Newsgroups and Followup-To headers.
1267 Valid values are nil, t, `head', `last', an integer or a predicate.
1268 See Info node `(gnus)Customizing Articles' and Info node
1269 `(gnus)Picons' for details."
1270 :group 'gnus-article-treat
1272 :link '(custom-manual "(gnus)Customizing Articles")
1273 :link '(custom-manual "(gnus)Picons")
1274 :type gnus-article-treat-head-custom)
1275 (put 'gnus-treat-newsgroups-picon 'highlight t)
1277 (defcustom gnus-treat-body-boundary
1278 (if (or gnus-treat-newsgroups-picon
1279 gnus-treat-mail-picon
1280 gnus-treat-from-picon)
1282 "Draw a boundary at the end of the headers.
1283 Valid values are nil and `head'.
1284 See Info node `(gnus)Customizing Articles' for details."
1286 :group 'gnus-article-treat
1287 :link '(custom-manual "(gnus)Customizing Articles")
1288 :type gnus-article-treat-head-custom)
1290 (defcustom gnus-treat-capitalize-sentences nil
1291 "Capitalize sentence-starting words.
1292 Valid values are nil, t, `head', `last', an integer or a predicate.
1293 See Info node `(gnus)Customizing Articles' for details."
1295 :group 'gnus-article-treat
1296 :link '(custom-manual "(gnus)Customizing Articles")
1297 :type gnus-article-treat-custom)
1299 (defcustom gnus-treat-wash-html nil
1301 Valid values are nil, t, `head', `last', an integer or a predicate.
1302 See Info node `(gnus)Customizing Articles' for details."
1303 :group 'gnus-article-treat
1304 :link '(custom-manual "(gnus)Customizing Articles")
1305 :type gnus-article-treat-custom)
1307 (defcustom gnus-treat-fill-long-lines nil
1309 Valid values are nil, t, `head', `last', an integer or a predicate.
1310 See Info node `(gnus)Customizing Articles' for details."
1311 :group 'gnus-article-treat
1312 :link '(custom-manual "(gnus)Customizing Articles")
1313 :type gnus-article-treat-custom)
1315 (defcustom gnus-treat-play-sounds nil
1317 Valid values are nil, t, `head', `last', an integer or a predicate.
1318 See Info node `(gnus)Customizing Articles' for details."
1320 :group 'gnus-article-treat
1321 :link '(custom-manual "(gnus)Customizing Articles")
1322 :type gnus-article-treat-custom)
1324 (defcustom gnus-treat-translate nil
1325 "Translate articles from one language to another.
1326 Valid values are nil, t, `head', `last', an integer or a predicate.
1327 See Info node `(gnus)Customizing Articles' for details."
1329 :group 'gnus-article-treat
1330 :link '(custom-manual "(gnus)Customizing Articles")
1331 :type gnus-article-treat-custom)
1333 (defcustom gnus-treat-x-pgp-sig nil
1335 To automatically treat X-PGP-Sig, set it to head.
1336 Valid values are nil, t, `head', `last', an integer or a predicate.
1337 See Info node `(gnus)Customizing Articles' for details."
1338 :group 'gnus-article-treat
1339 :group 'mime-security
1340 :link '(custom-manual "(gnus)Customizing Articles")
1341 :type gnus-article-treat-custom)
1343 (defvar gnus-article-encrypt-protocol-alist
1344 '(("PGP" . mml2015-self-encrypt)))
1346 ;; Set to nil if more than one protocol added to
1347 ;; gnus-article-encrypt-protocol-alist.
1348 (defcustom gnus-article-encrypt-protocol "PGP"
1349 "The protocol used for encrypt articles.
1350 It is a string, such as \"PGP\". If nil, ask user."
1352 :group 'mime-security)
1354 (defvar gnus-article-wash-function nil
1355 "Function used for converting HTML into text.")
1357 (defcustom gnus-use-idna (and (condition-case nil (require 'idna) (file-error))
1358 (mm-coding-system-p 'utf-8)
1359 (executable-find idna-program))
1360 "Whether IDNA decoding of headers is used when viewing messages.
1361 This requires GNU Libidn, and by default only enabled if it is found."
1362 :group 'gnus-article-headers
1365 (defcustom gnus-article-over-scroll nil
1366 "If non-nil, allow scrolling the article buffer even when there no more text."
1367 :group 'gnus-article
1370 ;;; Internal variables
1372 (defvar gnus-english-month-names
1373 '("January" "February" "March" "April" "May" "June" "July" "August"
1374 "September" "October" "November" "December"))
1376 (defvar gnus-button-regexp nil)
1377 (defvar gnus-button-marker-list nil)
1378 ;; Regexp matching any of the regexps from `gnus-button-alist'.
1380 (defvar gnus-button-last nil)
1381 ;; The value of `gnus-button-alist' when `gnus-button-regexp' was build.
1383 (defvar article-goto-body-goes-to-point-min-p nil)
1384 (defvar gnus-article-wash-types nil)
1385 (defvar gnus-article-emphasis-alist nil)
1386 (defvar gnus-article-image-alist nil)
1388 (defvar gnus-article-mime-handle-alist-1 nil)
1389 (defvar gnus-treatment-function-alist
1390 '((gnus-treat-x-pgp-sig gnus-article-verify-x-pgp-sig)
1391 (gnus-treat-strip-banner gnus-article-strip-banner)
1392 (gnus-treat-strip-headers-in-body gnus-article-strip-headers-in-body)
1393 (gnus-treat-highlight-signature gnus-article-highlight-signature)
1394 (gnus-treat-buttonize gnus-article-add-buttons)
1395 (gnus-treat-fill-article gnus-article-fill-cited-article)
1396 (gnus-treat-fill-long-lines gnus-article-fill-long-lines)
1397 (gnus-treat-strip-cr gnus-article-remove-cr)
1398 (gnus-treat-unsplit-urls gnus-article-unsplit-urls)
1399 (gnus-treat-date-ut gnus-article-date-ut)
1400 (gnus-treat-date-local gnus-article-date-local)
1401 (gnus-treat-date-english gnus-article-date-english)
1402 (gnus-treat-date-lapsed gnus-article-date-lapsed)
1403 (gnus-treat-date-original gnus-article-date-original)
1404 (gnus-treat-date-user-defined gnus-article-date-user)
1405 (gnus-treat-date-iso8601 gnus-article-date-iso8601)
1406 (gnus-treat-display-x-face gnus-article-display-x-face)
1407 (gnus-treat-display-face gnus-article-display-face)
1408 (gnus-treat-hide-headers gnus-article-maybe-hide-headers)
1409 (gnus-treat-hide-boring-headers gnus-article-hide-boring-headers)
1410 (gnus-treat-hide-signature gnus-article-hide-signature)
1411 (gnus-treat-strip-list-identifiers gnus-article-hide-list-identifiers)
1412 (gnus-treat-leading-whitespace gnus-article-remove-leading-whitespace)
1413 (gnus-treat-strip-pem gnus-article-hide-pem)
1414 (gnus-treat-from-picon gnus-treat-from-picon)
1415 (gnus-treat-mail-picon gnus-treat-mail-picon)
1416 (gnus-treat-newsgroups-picon gnus-treat-newsgroups-picon)
1417 (gnus-treat-highlight-headers gnus-article-highlight-headers)
1418 (gnus-treat-highlight-signature gnus-article-highlight-signature)
1419 (gnus-treat-strip-trailing-blank-lines
1420 gnus-article-remove-trailing-blank-lines)
1421 (gnus-treat-strip-leading-blank-lines
1422 gnus-article-strip-leading-blank-lines)
1423 (gnus-treat-strip-multiple-blank-lines
1424 gnus-article-strip-multiple-blank-lines)
1425 (gnus-treat-overstrike gnus-article-treat-overstrike)
1426 (gnus-treat-ansi-sequences gnus-article-treat-ansi-sequences)
1427 (gnus-treat-unfold-headers gnus-article-treat-unfold-headers)
1428 (gnus-treat-fold-headers gnus-article-treat-fold-headers)
1429 (gnus-treat-fold-newsgroups gnus-article-treat-fold-newsgroups)
1430 (gnus-treat-buttonize-head gnus-article-add-buttons-to-head)
1431 (gnus-treat-display-smileys gnus-treat-smiley)
1432 (gnus-treat-capitalize-sentences gnus-article-capitalize-sentences)
1433 (gnus-treat-wash-html gnus-article-wash-html)
1434 (gnus-treat-emphasize gnus-article-emphasize)
1435 (gnus-treat-hide-citation gnus-article-hide-citation)
1436 (gnus-treat-hide-citation-maybe gnus-article-hide-citation-maybe)
1437 (gnus-treat-highlight-citation gnus-article-highlight-citation)
1438 (gnus-treat-body-boundary gnus-article-treat-body-boundary)
1439 (gnus-treat-play-sounds gnus-earcon-display)))
1441 (defvar gnus-article-mime-handle-alist nil)
1442 (defvar article-lapsed-timer nil)
1443 (defvar gnus-article-current-summary nil)
1445 (defvar gnus-article-mode-syntax-table
1446 (let ((table (copy-syntax-table text-mode-syntax-table)))
1447 ;; This causes the citation match run O(2^n).
1448 ;; (modify-syntax-entry ?- "w" table)
1449 (modify-syntax-entry ?> ")<" table)
1450 (modify-syntax-entry ?< "(>" table)
1451 ;; make M-. in article buffers work for `foo' strings
1452 (modify-syntax-entry ?' " " table)
1453 (modify-syntax-entry ?` " " table)
1455 "Syntax table used in article mode buffers.
1456 Initialized from `text-mode-syntax-table.")
1458 (defvar gnus-save-article-buffer nil)
1460 (defvar gnus-article-mode-line-format-alist
1461 (nconc '((?w (gnus-article-wash-status) ?s)
1462 (?m (gnus-article-mime-part-status) ?s))
1463 gnus-summary-mode-line-format-alist))
1465 (defvar gnus-number-of-articles-to-be-saved nil)
1467 (defvar gnus-inhibit-hiding nil)
1469 (defvar gnus-article-edit-mode nil)
1471 ;;; Macros for dealing with the article buffer.
1473 (defmacro gnus-with-article-headers (&rest forms)
1475 (set-buffer gnus-article-buffer)
1477 (let ((buffer-read-only nil)
1478 (inhibit-point-motion-hooks t)
1479 (case-fold-search t))
1480 (article-narrow-to-head)
1483 (put 'gnus-with-article-headers 'lisp-indent-function 0)
1484 (put 'gnus-with-article-headers 'edebug-form-spec '(body))
1486 (defmacro gnus-with-article-buffer (&rest forms)
1488 (set-buffer gnus-article-buffer)
1489 (let ((buffer-read-only nil))
1492 (put 'gnus-with-article-buffer 'lisp-indent-function 0)
1493 (put 'gnus-with-article-buffer 'edebug-form-spec '(body))
1495 (defun gnus-article-goto-header (header)
1496 "Go to HEADER, which is a regular expression."
1497 (re-search-forward (concat "^\\(" header "\\):") nil t))
1499 (defsubst gnus-article-hide-text (b e props)
1500 "Set text PROPS on the B to E region, extending `intangible' 1 past B."
1501 (gnus-add-text-properties-when 'article-type nil b e props)
1502 (when (memq 'intangible props)
1504 (max (1- b) (point-min))
1505 b 'intangible (cddr (memq 'intangible props)))))
1507 (defsubst gnus-article-unhide-text (b e)
1508 "Remove hidden text properties from region between B and E."
1509 (remove-text-properties b e gnus-hidden-properties)
1510 (when (memq 'intangible gnus-hidden-properties)
1511 (put-text-property (max (1- b) (point-min))
1512 b 'intangible nil)))
1514 (defun gnus-article-hide-text-type (b e type)
1515 "Hide text of TYPE between B and E."
1516 (gnus-add-wash-type type)
1517 (gnus-article-hide-text
1518 b e (cons 'article-type (cons type gnus-hidden-properties))))
1520 (defun gnus-article-unhide-text-type (b e type)
1521 "Unhide text of TYPE between B and E."
1522 (gnus-delete-wash-type type)
1523 (remove-text-properties
1524 b e (cons 'article-type (cons type gnus-hidden-properties)))
1525 (when (memq 'intangible gnus-hidden-properties)
1526 (put-text-property (max (1- b) (point-min))
1527 b 'intangible nil)))
1529 (defun gnus-article-hide-text-of-type (type)
1530 "Hide text of TYPE in the current buffer."
1532 (let ((b (point-min))
1534 (while (setq b (text-property-any b e 'article-type type))
1535 (add-text-properties b (incf b) gnus-hidden-properties)))))
1537 (defun gnus-article-delete-text-of-type (type)
1538 "Delete text of TYPE in the current buffer."
1540 (let ((b (point-min)))
1541 (while (setq b (text-property-any b (point-max) 'article-type type))
1543 b (or (text-property-not-all b (point-max) 'article-type type)
1546 (defun gnus-article-delete-invisible-text ()
1547 "Delete all invisible text in the current buffer."
1549 (let ((b (point-min)))
1550 (while (setq b (text-property-any b (point-max) 'invisible t))
1552 b (or (text-property-not-all b (point-max) 'invisible t)
1555 (defun gnus-article-text-type-exists-p (type)
1556 "Say whether any text of type TYPE exists in the buffer."
1557 (text-property-any (point-min) (point-max) 'article-type type))
1559 (defsubst gnus-article-header-rank ()
1560 "Give the rank of the string HEADER as given by `gnus-sorted-header-list'."
1561 (let ((list gnus-sorted-header-list)
1564 (if (looking-at (car list))
1566 (setq list (cdr list))
1570 (defun article-hide-headers (&optional arg delete)
1571 "Hide unwanted headers and possibly sort them as well."
1573 ;; This function might be inhibited.
1574 (unless gnus-inhibit-hiding
1577 (let ((buffer-read-only nil)
1578 (case-fold-search t)
1579 (max (1+ (length gnus-sorted-header-list)))
1580 (ignored (when (not gnus-visible-headers)
1581 (cond ((stringp gnus-ignored-headers)
1582 gnus-ignored-headers)
1583 ((listp gnus-ignored-headers)
1584 (mapconcat 'identity gnus-ignored-headers
1587 (cond ((stringp gnus-visible-headers)
1588 gnus-visible-headers)
1589 ((and gnus-visible-headers
1590 (listp gnus-visible-headers))
1591 (mapconcat 'identity gnus-visible-headers "\\|"))))
1592 (inhibit-point-motion-hooks t)
1594 ;; First we narrow to just the headers.
1595 (article-narrow-to-head)
1596 ;; Hide any "From " lines at the beginning of (mail) articles.
1597 (while (looking-at "From ")
1600 (delete-region (point-min) (point)))
1601 ;; Then treat the rest of the header lines.
1602 ;; Then we use the two regular expressions
1603 ;; `gnus-ignored-headers' and `gnus-visible-headers' to
1604 ;; select which header lines is to remain visible in the
1606 (while (re-search-forward "^[^ \t:]*:" nil t)
1608 ;; Mark the rank of the header.
1610 (point) (1+ (point)) 'message-rank
1611 (if (or (and visible (looking-at visible))
1613 (not (looking-at ignored))))
1614 (gnus-article-header-rank)
1617 (message-sort-headers-1)
1618 (when (setq beg (text-property-any
1619 (point-min) (point-max) 'message-rank (+ 2 max)))
1620 ;; We delete the unwanted headers.
1621 (gnus-add-wash-type 'headers)
1622 (add-text-properties (point-min) (+ 5 (point-min))
1623 '(article-type headers dummy-invisible t))
1624 (delete-region beg (point-max))))))))
1626 (defun article-hide-boring-headers (&optional arg)
1627 "Toggle hiding of headers that aren't very interesting.
1628 If given a negative prefix, always show; if given a positive prefix,
1630 (interactive (gnus-article-hidden-arg))
1631 (when (and (not (gnus-article-check-hidden-text 'boring-headers arg))
1632 (not gnus-show-all-headers))
1635 (let ((buffer-read-only nil)
1636 (list gnus-boring-article-headers)
1637 (inhibit-point-motion-hooks t)
1639 (article-narrow-to-head)
1641 (setq elem (pop list))
1642 (goto-char (point-min))
1644 ;; Hide empty headers.
1646 (while (re-search-forward "^[^: \t]+:[ \t]*\n[^ \t]" nil t)
1648 (gnus-article-hide-text-type
1652 (if (re-search-forward "^[^ \t]" nil t)
1656 ;; Hide boring Newsgroups header.
1657 ((eq elem 'newsgroups)
1658 (when (gnus-string-equal
1659 (gnus-fetch-field "newsgroups")
1660 (gnus-group-real-name
1661 (if (boundp 'gnus-newsgroup-name)
1664 (gnus-article-hide-header "newsgroups")))
1665 ((eq elem 'to-address)
1666 (let ((to (message-fetch-field "to"))
1668 (gnus-parameter-to-address
1669 (if (boundp 'gnus-newsgroup-name)
1670 gnus-newsgroup-name ""))))
1671 (when (and to to-address
1674 ;; only one address in To
1675 (nth 1 (mail-extract-address-components to))
1677 (gnus-article-hide-header "to"))))
1679 (let ((to (message-fetch-field "to"))
1681 (gnus-parameter-to-list
1682 (if (boundp 'gnus-newsgroup-name)
1683 gnus-newsgroup-name ""))))
1684 (when (and to to-list
1687 ;; only one address in To
1688 (nth 1 (mail-extract-address-components to))
1690 (gnus-article-hide-header "to"))))
1692 (let ((cc (message-fetch-field "cc"))
1694 (gnus-parameter-to-list
1695 (if (boundp 'gnus-newsgroup-name)
1696 gnus-newsgroup-name ""))))
1697 (when (and cc to-list
1700 ;; only one address in CC
1701 (nth 1 (mail-extract-address-components cc))
1703 (gnus-article-hide-header "cc"))))
1704 ((eq elem 'followup-to)
1705 (when (gnus-string-equal
1706 (message-fetch-field "followup-to")
1707 (message-fetch-field "newsgroups"))
1708 (gnus-article-hide-header "followup-to")))
1709 ((eq elem 'reply-to)
1710 (if (gnus-group-find-parameter
1711 gnus-newsgroup-name 'broken-reply-to)
1712 (gnus-article-hide-header "reply-to")
1713 (let ((from (message-fetch-field "from"))
1714 (reply-to (message-fetch-field "reply-to")))
1721 (lambda (x) (downcase (cadr x)))
1722 (mail-extract-address-components from t))
1725 (lambda (x) (downcase (cadr x)))
1726 (mail-extract-address-components reply-to t))
1728 (gnus-article-hide-header "reply-to")))))
1730 (let ((date (message-fetch-field "date")))
1732 (< (days-between (current-time-string) date)
1734 (gnus-article-hide-header "date"))))
1736 (let ((to (message-fetch-field "to"))
1737 (cc (message-fetch-field "cc")))
1738 (when (> (length to) 1024)
1739 (gnus-article-hide-header "to"))
1740 (when (> (length cc) 1024)
1741 (gnus-article-hide-header "cc"))))
1745 (goto-char (point-min))
1746 (while (re-search-forward "^to:" nil t)
1747 (setq to-count (1+ to-count)))
1748 (when (> to-count 1)
1749 (while (> to-count 0)
1750 (goto-char (point-min))
1752 (re-search-forward "^to:" nil nil to-count)
1754 (narrow-to-region (point) (point-max))
1755 (gnus-article-hide-header "to"))
1756 (setq to-count (1- to-count))))
1757 (goto-char (point-min))
1758 (while (re-search-forward "^cc:" nil t)
1759 (setq cc-count (1+ cc-count)))
1760 (when (> cc-count 1)
1761 (while (> cc-count 0)
1762 (goto-char (point-min))
1764 (re-search-forward "^cc:" nil nil cc-count)
1766 (narrow-to-region (point) (point-max))
1767 (gnus-article-hide-header "cc"))
1768 (setq cc-count (1- cc-count)))))))))))))
1770 (defun gnus-article-hide-header (header)
1772 (goto-char (point-min))
1773 (when (re-search-forward (concat "^" header ":") nil t)
1774 (gnus-article-hide-text-type
1778 (if (re-search-forward "^[^ \t]" nil t)
1783 (defvar gnus-article-normalized-header-length 40
1784 "Length of normalized headers.")
1786 (defun article-normalize-headers ()
1787 "Make all header lines 40 characters long."
1789 (let ((buffer-read-only nil)
1793 (article-narrow-to-head)
1796 ((< (setq column (- (point-at-eol) (point)))
1797 gnus-article-normalized-header-length)
1799 (insert (make-string
1800 (- gnus-article-normalized-header-length column)
1802 ((> column gnus-article-normalized-header-length)
1803 (gnus-put-text-property
1805 (forward-char gnus-article-normalized-header-length)
1812 (forward-line 1))))))
1814 (defun article-treat-dumbquotes ()
1815 "Translate M****s*** sm*rtq**t*s and other symbols into proper text.
1816 Note that this function guesses whether a character is a sm*rtq**t* or
1817 not, so it should only be used interactively.
1819 Sm*rtq**t*s are M****s***'s unilateral extension to the
1820 iso-8859-1 character map in an attempt to provide more quoting
1821 characters. If you see something like \\222 or \\264 where
1822 you're expecting some kind of apostrophe or quotation mark, then
1825 (article-translate-strings gnus-article-dumbquotes-map))
1827 (defun article-translate-characters (from to)
1828 "Translate all characters in the body of the article according to FROM and TO.
1829 FROM is a string of characters to translate from; to is a string of
1830 characters to translate to."
1832 (when (article-goto-body)
1833 (let ((buffer-read-only nil)
1834 (x (make-string 225 ?x))
1836 (while (< (incf i) (length x))
1839 (while (< i (length from))
1840 (aset x (aref from i) (aref to i))
1842 (translate-region (point) (point-max) x)))))
1844 (defun article-translate-strings (map)
1845 "Translate all string in the body of the article according to MAP.
1846 MAP is an alist where the elements are on the form (\"from\" \"to\")."
1848 (when (article-goto-body)
1849 (let ((buffer-read-only nil)
1851 (while (setq elem (pop map))
1853 (while (search-forward (car elem) nil t)
1854 (replace-match (cadr elem)))))))))
1856 (defun article-treat-overstrike ()
1857 "Translate overstrikes into bold text."
1860 (when (article-goto-body)
1861 (let ((buffer-read-only nil))
1862 (while (search-forward "\b" nil t)
1863 (let ((next (char-after))
1864 (previous (char-after (- (point) 2))))
1865 ;; We do the boldification/underlining by hiding the
1866 ;; overstrikes and putting the proper text property
1870 (gnus-article-hide-text-type (- (point) 2) (point) 'overstrike)
1871 (put-text-property (point) (1+ (point)) 'face 'bold))
1873 (gnus-article-hide-text-type
1874 (1- (point)) (1+ (point)) 'overstrike)
1876 (- (point) 2) (1- (point)) 'face 'underline))
1878 (gnus-article-hide-text-type (- (point) 2) (point) 'overstrike)
1880 (point) (1+ (point)) 'face 'underline)))))))))
1882 (defun article-treat-ansi-sequences ()
1883 "Translate ANSI SGR control sequences into overlays or extents."
1886 (when (article-goto-body)
1887 (let ((buffer-read-only nil))
1888 (ansi-color-apply-on-region (point) (point-max))))))
1890 (defun gnus-article-treat-unfold-headers ()
1891 "Unfold folded message headers.
1892 Only the headers that fit into the current window width will be
1895 (gnus-with-article-headers
1899 (mail-header-narrow-to-field)
1900 (let ((header (buffer-string)))
1903 (goto-char (point-min))
1904 (while (re-search-forward "\n[\t ]" nil t)
1905 (replace-match " " t t)))
1906 (setq length (- (point-max) (point-min) 1)))
1907 (when (< length (window-width))
1908 (while (re-search-forward "\n[\t ]" nil t)
1909 (replace-match " " t t)))
1910 (goto-char (point-max)))))))
1912 (defun gnus-article-treat-fold-headers ()
1913 "Fold message headers."
1915 (gnus-with-article-headers
1918 (mail-header-narrow-to-field)
1919 (mail-header-fold-field)
1920 (goto-char (point-max))))))
1922 (defun gnus-treat-smiley ()
1923 "Toggle display of textual emoticons (\"smileys\") as small graphical icons."
1925 (gnus-with-article-buffer
1926 (if (memq 'smiley gnus-article-wash-types)
1927 (gnus-delete-images 'smiley)
1929 (let ((images (smiley-region (point) (point-max))))
1931 (gnus-add-wash-type 'smiley)
1932 (dolist (image images)
1933 (gnus-add-image 'smiley image)))))))
1935 (defun gnus-article-remove-images ()
1936 "Remove all images from the article buffer."
1938 (gnus-with-article-buffer
1939 (dolist (elem gnus-article-image-alist)
1940 (gnus-delete-images (car elem)))))
1942 (defun gnus-article-treat-fold-newsgroups ()
1943 "Unfold folded message headers.
1944 Only the headers that fit into the current window width will be
1947 (gnus-with-article-headers
1948 (while (gnus-article-goto-header "newsgroups\\|followup-to")
1950 (mail-header-narrow-to-field)
1951 (while (re-search-forward ", *" nil t)
1952 (replace-match ", " t t))
1953 (mail-header-fold-field)
1954 (goto-char (point-max))))))
1956 (defun gnus-article-treat-body-boundary ()
1957 "Place a boundary line at the end of the headers."
1959 (when (and gnus-body-boundary-delimiter
1960 (> (length gnus-body-boundary-delimiter) 0))
1961 (gnus-with-article-headers
1962 (goto-char (point-max))
1963 (let ((start (point)))
1964 (insert "X-Boundary: ")
1965 (gnus-add-text-properties start (point) '(invisible t intangible t))
1967 (while (>= (1- (window-width)) (length str))
1968 (setq str (concat str gnus-body-boundary-delimiter)))
1969 (substring str 0 (1- (window-width))))
1971 (gnus-put-text-property start (point) 'gnus-decoration 'header)))))
1973 (defun article-fill-long-lines ()
1974 "Fill lines that are wider than the window width."
1977 (let ((buffer-read-only nil)
1978 (width (window-width (get-buffer-window (current-buffer)))))
1981 (let ((adaptive-fill-mode nil)) ;Why? -sm
1984 (when (>= (current-column) (min fill-column width))
1985 (narrow-to-region (min (1+ (point)) (point-max))
1987 (let ((goback (point-marker)))
1988 (fill-paragraph nil)
1989 (goto-char (marker-position goback)))
1991 (forward-line 1)))))))
1993 (defun article-capitalize-sentences ()
1994 "Capitalize the first word in each sentence."
1997 (let ((buffer-read-only nil)
1998 (paragraph-start "^[\n\^L]"))
2002 (forward-sentence)))))
2004 (defun article-remove-cr ()
2005 "Remove trailing CRs and then translate remaining CRs into LFs."
2008 (let ((buffer-read-only nil))
2009 (goto-char (point-min))
2010 (while (re-search-forward "\r+$" nil t)
2011 (replace-match "" t t))
2012 (goto-char (point-min))
2013 (while (search-forward "\r" nil t)
2014 (replace-match "\n" t t)))))
2016 (defun article-remove-trailing-blank-lines ()
2017 "Remove all trailing blank lines from the article."
2020 (let ((buffer-read-only nil))
2021 (goto-char (point-max))
2025 (while (and (not (bobp))
2026 (looking-at "^[ \t]*$")
2027 (not (gnus-annotation-in-region-p
2028 (point) (point-at-eol))))
2034 (defvar gnus-face-properties-alist))
2036 (defun article-display-face ()
2037 "Display any Face headers in the header."
2039 (let ((wash-face-p buffer-read-only))
2040 (gnus-with-article-headers
2041 ;; When displaying parts, this function can be called several times on
2042 ;; the same article, without any intended toggle semantic (as typing `W
2043 ;; D d' would have). So face deletion must occur only when we come from
2044 ;; an interactive command, that is when the *Article* buffer is
2046 (if (and wash-face-p (memq 'face gnus-article-wash-types))
2047 (gnus-delete-images 'face)
2050 (when (and wash-face-p
2052 (goto-char (point-min))
2053 (not (re-search-forward "^Face:[\t ]*" nil t)))
2054 (gnus-buffer-live-p gnus-original-article-buffer))
2055 (set-buffer gnus-original-article-buffer))
2057 (mail-narrow-to-head)
2058 (while (gnus-article-goto-header "Face")
2059 (setq faces (nconc faces (list (mail-header-field-value)))))))
2060 (while (setq face (pop faces))
2061 (let ((png (gnus-convert-face-to-png face))
2065 (apply 'gnus-create-image png 'png t
2066 (cdr (assq 'png gnus-face-properties-alist))))
2067 (gnus-article-goto-header "from")
2069 (insert "From: [no `from' set]\n")
2071 (gnus-add-wash-type 'face)
2072 (gnus-add-image 'face image)
2073 (gnus-put-image image nil 'face))))))
2076 (defun article-display-x-face (&optional force)
2077 "Look for an X-Face header and display it if present."
2078 (interactive (list 'force))
2079 (let ((wash-face-p buffer-read-only)) ;; When type `W f'
2080 (gnus-with-article-headers
2081 ;; Delete the old process, if any.
2082 (when (process-status "article-x-face")
2083 (delete-process "article-x-face"))
2084 ;; See the comment in `article-display-face'.
2085 (if (and wash-face-p (memq 'xface gnus-article-wash-types))
2086 ;; We have already displayed X-Faces, so we remove them
2088 (gnus-delete-images 'xface)
2090 (let (x-faces from face)
2092 (when (and wash-face-p
2094 (goto-char (point-min))
2095 (not (re-search-forward
2096 "^X-Face\\(-[0-9]+\\)?:[\t ]*" nil t)))
2097 (gnus-buffer-live-p gnus-original-article-buffer))
2098 ;; If type `W f', use gnus-original-article-buffer,
2099 ;; otherwise use the current buffer because displaying
2100 ;; RFC822 parts calls this function too.
2101 (set-buffer gnus-original-article-buffer))
2103 (mail-narrow-to-head)
2104 (while (gnus-article-goto-header "X-Face")
2105 (push (mail-header-field-value) x-faces))
2106 (setq from (message-fetch-field "from"))))
2107 ;; Sending multiple EOFs to xv doesn't work, so we only do a
2108 ;; single external face.
2109 (when (stringp gnus-article-x-face-command)
2110 (setq x-faces (list (car x-faces))))
2111 (while (and (setq face (pop x-faces))
2112 gnus-article-x-face-command
2114 ;; Check whether this face is censored.
2115 (not gnus-article-x-face-too-ugly)
2116 (and gnus-article-x-face-too-ugly from
2117 (not (string-match gnus-article-x-face-too-ugly
2119 ;; We display the face.
2120 (cond ((stringp gnus-article-x-face-command)
2121 ;; The command is a string, so we interpret the command
2122 ;; as a, well, command, and fork it off.
2123 (let ((process-connection-type nil))
2124 (process-kill-without-query
2126 "article-x-face" nil shell-file-name
2127 shell-command-switch gnus-article-x-face-command))
2130 (process-send-region "article-x-face"
2131 (point-min) (point-max)))
2132 (process-send-eof "article-x-face")))
2133 ((functionp gnus-article-x-face-command)
2134 ;; The command is a lisp function, so we call it.
2135 (funcall gnus-article-x-face-command face))
2137 (error "%s is not a function"
2138 gnus-article-x-face-command)))))))))
2140 (defun article-decode-mime-words ()
2141 "Decode all MIME-encoded words in the article."
2143 (gnus-with-article-buffer
2144 (let ((inhibit-point-motion-hooks t)
2145 (mail-parse-charset gnus-newsgroup-charset)
2146 (mail-parse-ignored-charsets
2147 (with-current-buffer gnus-summary-buffer
2148 gnus-newsgroup-ignored-charsets)))
2149 (mail-decode-encoded-word-region (point-min) (point-max)))))
2151 (defun article-decode-charset (&optional prompt)
2152 "Decode charset-encoded text in the article.
2153 If PROMPT (the prefix), prompt for a coding system to use."
2155 (let ((inhibit-point-motion-hooks t) (case-fold-search t)
2157 (mail-parse-charset gnus-newsgroup-charset)
2158 (mail-parse-ignored-charsets
2159 (save-excursion (condition-case nil
2160 (set-buffer gnus-summary-buffer)
2162 gnus-newsgroup-ignored-charsets))
2163 ct cte ctl charset format)
2166 (article-narrow-to-head)
2167 (setq ct (message-fetch-field "Content-Type" t)
2168 cte (message-fetch-field "Content-Transfer-Encoding" t)
2169 ctl (and ct (ignore-errors
2170 (mail-header-parse-content-type ct)))
2173 (mm-read-coding-system "Charset to decode: "))
2175 (mail-content-type-get ctl 'charset)))
2176 format (and ctl (mail-content-type-get ctl 'format)))
2178 (setq cte (mail-header-strip cte)))
2179 (if (and ctl (not (string-match "/" (car ctl))))
2181 (goto-char (point-max)))
2184 (narrow-to-region (point) (point-max))
2185 (when (and (eq mail-parse-charset 'gnus-decoded)
2186 (eq (mm-body-7-or-8) '8bit))
2187 ;; The text code could have been decoded.
2188 (setq charset mail-parse-charset))
2189 (when (and (or (not ctl)
2190 (equal (car ctl) "text/plain"))
2191 (not format)) ;; article with format will decode later.
2193 charset (and cte (intern (downcase
2194 (gnus-strip-whitespace cte))))
2197 (defun article-decode-encoded-words ()
2198 "Remove encoded-word encoding from headers."
2199 (let ((inhibit-point-motion-hooks t)
2200 (mail-parse-charset gnus-newsgroup-charset)
2201 (mail-parse-ignored-charsets
2202 (save-excursion (condition-case nil
2203 (set-buffer gnus-summary-buffer)
2205 gnus-newsgroup-ignored-charsets))
2208 (article-narrow-to-head)
2209 (funcall gnus-decode-header-function (point-min) (point-max)))))
2211 (defun article-decode-group-name ()
2212 "Decode group names in `Newsgroups:'."
2213 (let ((inhibit-point-motion-hooks t)
2215 (method (gnus-find-method-for-group gnus-newsgroup-name)))
2216 (when (and (or gnus-group-name-charset-method-alist
2217 gnus-group-name-charset-group-alist)
2218 (gnus-buffer-live-p gnus-original-article-buffer))
2220 (article-narrow-to-head)
2221 (with-current-buffer gnus-original-article-buffer
2222 (goto-char (point-min)))
2223 (while (re-search-forward
2224 "^Newsgroups:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]" nil t)
2225 (replace-match (save-match-data
2226 (gnus-decode-newsgroups
2227 ;; XXX how to use data in article buffer?
2228 (with-current-buffer gnus-original-article-buffer
2230 "^Newsgroups:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]"
2233 gnus-newsgroup-name method))
2235 (goto-char (point-min))
2236 (with-current-buffer gnus-original-article-buffer
2237 (goto-char (point-min)))
2238 (while (re-search-forward
2239 "^Followup-To:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]" nil t)
2240 (replace-match (save-match-data
2241 (gnus-decode-newsgroups
2242 ;; XXX how to use data in article buffer?
2243 (with-current-buffer gnus-original-article-buffer
2245 "^Followup-To:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]"
2248 gnus-newsgroup-name method))
2251 (autoload 'idna-to-unicode "idna")
2253 (defun article-decode-idna-rhs ()
2254 "Decode IDNA strings in RHS in From:, To: and Cc: headers in current buffer."
2257 (let ((inhibit-point-motion-hooks t)
2259 (article-narrow-to-head)
2260 (goto-char (point-min))
2261 (while (re-search-forward "@.*\\(xn--[-A-Za-z0-9.]*\\)[ \t\n\r,>]" nil t)
2263 (when (save-match-data
2264 (and (setq ace (match-string 1))
2266 (and (re-search-backward "^[^ \t]" nil t)
2267 (looking-at "From\\|To\\|Cc")))
2268 (setq unicode (idna-to-unicode ace))))
2269 (unless (string= ace unicode)
2270 (replace-match unicode nil nil nil 1)))))))))
2272 (defun article-de-quoted-unreadable (&optional force read-charset)
2273 "Translate a quoted-printable-encoded article.
2274 If FORCE, decode the article whether it is marked as quoted-printable
2276 If READ-CHARSET, ask for a coding system."
2277 (interactive (list 'force current-prefix-arg))
2279 (let ((buffer-read-only nil) type charset)
2280 (if (gnus-buffer-live-p gnus-original-article-buffer)
2281 (with-current-buffer gnus-original-article-buffer
2283 (gnus-fetch-field "content-transfer-encoding"))
2284 (let* ((ct (gnus-fetch-field "content-type"))
2287 (mail-header-parse-content-type ct)))))
2288 (setq charset (and ctl
2289 (mail-content-type-get ctl 'charset)))
2290 (if (stringp charset)
2291 (setq charset (intern (downcase charset)))))))
2293 (setq charset (mm-read-coding-system "Charset: " charset)))
2295 (setq charset gnus-newsgroup-charset))
2297 (and type (let ((case-fold-search t))
2298 (string-match "quoted-printable" type))))
2300 (quoted-printable-decode-region
2301 (point) (point-max) (mm-charset-to-coding-system charset))))))
2303 (defun article-de-base64-unreadable (&optional force read-charset)
2304 "Translate a base64 article.
2305 If FORCE, decode the article whether it is marked as base64 not.
2306 If READ-CHARSET, ask for a coding system."
2307 (interactive (list 'force current-prefix-arg))
2309 (let ((buffer-read-only nil) type charset)
2310 (if (gnus-buffer-live-p gnus-original-article-buffer)
2311 (with-current-buffer gnus-original-article-buffer
2313 (gnus-fetch-field "content-transfer-encoding"))
2314 (let* ((ct (gnus-fetch-field "content-type"))
2317 (mail-header-parse-content-type ct)))))
2318 (setq charset (and ctl
2319 (mail-content-type-get ctl 'charset)))
2320 (if (stringp charset)
2321 (setq charset (intern (downcase charset)))))))
2323 (setq charset (mm-read-coding-system "Charset: " charset)))
2325 (setq charset gnus-newsgroup-charset))
2327 (and type (let ((case-fold-search t))
2328 (string-match "base64" type))))
2331 (narrow-to-region (point) (point-max))
2332 (base64-decode-region (point-min) (point-max))
2333 (mm-decode-coding-region
2334 (point-min) (point-max) (mm-charset-to-coding-system charset)))))))
2339 (defun article-decode-HZ ()
2340 "Translate a HZ-encoded article."
2344 (let ((buffer-read-only nil))
2345 (rfc1843-decode-region (point-min) (point-max)))))
2347 (defun article-unsplit-urls ()
2348 "Remove the newlines that some other mailers insert into URLs."
2351 (let ((buffer-read-only nil))
2352 (goto-char (point-min))
2353 (while (re-search-forward
2354 "^\\(\\(https?\\|ftp\\)://\\S-+\\) *\n\\(\\S-+\\)" nil t)
2355 (replace-match "\\1\\3" t)))
2356 (when (interactive-p)
2357 (gnus-treat-article nil))))
2360 (defun article-wash-html (&optional read-charset)
2361 "Format an HTML article.
2362 If READ-CHARSET, ask for a coding system."
2365 (let ((buffer-read-only nil)
2367 (when (gnus-buffer-live-p gnus-original-article-buffer)
2368 (with-current-buffer gnus-original-article-buffer
2369 (let* ((ct (gnus-fetch-field "content-type"))
2372 (mail-header-parse-content-type ct)))))
2373 (setq charset (and ctl
2374 (mail-content-type-get ctl 'charset)))
2375 (when (stringp charset)
2376 (setq charset (intern (downcase charset)))))))
2378 (setq charset (mm-read-coding-system "Charset: " charset)))
2380 (setq charset gnus-newsgroup-charset))
2382 (save-window-excursion
2384 (narrow-to-region (point) (point-max))
2385 (let* ((func (or gnus-article-wash-function mm-text-html-renderer))
2386 (entry (assq func mm-text-html-washer-alist)))
2388 (setq func (cdr entry)))
2393 (apply (car func) (cdr func))))))))))
2395 (defun gnus-article-wash-html-with-w3 ()
2396 "Wash the current buffer with w3."
2398 (let ((w3-strict-width (window-width))
2399 (url-standalone-mode t)
2400 (url-gateway-unplugged t)
2401 (w3-honor-stylesheets nil))
2403 (w3-region (point-min) (point-max))
2406 (defun gnus-article-wash-html-with-w3m ()
2407 "Wash the current buffer with emacs-w3m."
2410 (narrow-to-region (point) (point-max))
2411 (let ((w3m-safe-url-regexp mm-w3m-safe-url-regexp)
2412 w3m-force-redisplay)
2413 (w3m-region (point-min) (point-max)))
2414 (when (and mm-inline-text-html-with-w3m-keymap
2415 (boundp 'w3m-minor-mode-map)
2417 (add-text-properties
2418 (point-min) (point-max)
2419 (list 'keymap w3m-minor-mode-map
2420 ;; Put the mark meaning this part was rendered by emacs-w3m.
2421 'mm-inline-text-html-with-w3m t)))))
2423 (defun article-hide-list-identifiers ()
2424 "Remove list identifies from the Subject header.
2425 The `gnus-list-identifiers' variable specifies what to do."
2427 (let ((inhibit-point-motion-hooks t)
2428 (regexp (if (consp gnus-list-identifiers)
2429 (mapconcat 'identity gnus-list-identifiers " *\\|")
2430 gnus-list-identifiers))
2435 (article-narrow-to-head)
2436 (goto-char (point-min))
2437 (while (re-search-forward
2438 (concat "^Subject: +\\(R[Ee]: +\\)*\\(" regexp " *\\)")
2440 (delete-region (match-beginning 2) (match-end 0))
2441 (beginning-of-line))
2442 (when (re-search-forward
2443 "^Subject: +\\(\\(R[Ee]: +\\)+\\)R[Ee]: +" nil t)
2444 (delete-region (match-beginning 1) (match-end 1))))))))
2446 (defun article-hide-pem (&optional arg)
2447 "Toggle hiding of any PEM headers and signatures in the current article.
2448 If given a negative prefix, always show; if given a positive prefix,
2450 (interactive (gnus-article-hidden-arg))
2451 (unless (gnus-article-check-hidden-text 'pem arg)
2453 (let (buffer-read-only end)
2454 (goto-char (point-min))
2455 ;; Hide the horrendously ugly "header".
2456 (when (and (search-forward
2457 "\n-----BEGIN PRIVACY-ENHANCED MESSAGE-----\n"
2459 (setq end (1+ (match-beginning 0))))
2460 (gnus-add-wash-type 'pem)
2461 (gnus-article-hide-text-type
2463 (if (search-forward "\n\n" nil t)
2467 ;; Hide the trailer as well
2468 (when (search-forward "\n-----END PRIVACY-ENHANCED MESSAGE-----\n"
2470 (gnus-article-hide-text-type
2471 (match-beginning 0) (match-end 0) 'pem)))))))
2473 (defun article-strip-banner ()
2474 "Strip the banners specified by the `banner' group parameter and by
2475 `gnus-article-address-banner-alist'."
2479 (let ((inhibit-point-motion-hooks t))
2480 (when (gnus-parameter-banner gnus-newsgroup-name)
2481 (article-really-strip-banner
2482 (gnus-parameter-banner gnus-newsgroup-name)))
2483 (when gnus-article-address-banner-alist
2484 ;; It is necessary to encode from fields before checking,
2485 ;; because `mail-header-parse-addresses' does not work
2486 ;; (reliably) on decoded headers. And more, it is
2487 ;; impossible to use `gnus-fetch-original-field' here,
2488 ;; because `article-strip-banner' may be called in draft
2489 ;; buffers to preview them.
2490 (let ((from (save-restriction
2492 (article-narrow-to-head)
2493 (mail-fetch-field "from"))))
2496 (caar (mail-header-parse-addresses
2497 (mail-encode-encoded-word-string from)))))
2499 (dolist (pair gnus-article-address-banner-alist)
2500 (when (string-match (car pair) from)
2502 (article-really-strip-banner (cdr pair)))))))))))))
2504 (defun article-really-strip-banner (banner)
2505 "Strip the banner specified by the argument."
2508 (let ((inhibit-point-motion-hooks t)
2509 (gnus-signature-limit nil)
2513 ((eq banner 'signature)
2514 (when (gnus-article-narrow-to-signature)
2517 (delete-region (point) (point-max))))
2519 (if (setq banner (cdr (assq banner gnus-article-banner-alist)))
2520 (while (re-search-forward banner nil t)
2521 (delete-region (match-beginning 0) (match-end 0)))))
2523 (while (re-search-forward banner nil t)
2524 (delete-region (match-beginning 0) (match-end 0)))))))))
2526 (defun article-babel ()
2527 "Translate article using an online translation service."
2530 (gnus-with-article-buffer
2531 (when (article-goto-body)
2532 (let* ((start (point))
2534 (orig (buffer-substring start end))
2535 (trans (babel-as-string orig)))
2537 (narrow-to-region start end)
2538 (delete-region start end)
2541 (defun article-hide-signature (&optional arg)
2542 "Hide the signature in the current article.
2543 If given a negative prefix, always show; if given a positive prefix,
2545 (interactive (gnus-article-hidden-arg))
2546 (unless (gnus-article-check-hidden-text 'signature arg)
2549 (let ((buffer-read-only nil))
2550 (when (gnus-article-narrow-to-signature)
2551 (gnus-article-hide-text-type
2552 (point-min) (point-max) 'signature))))))
2553 (gnus-set-mode-line 'article))
2555 (defun article-strip-headers-in-body ()
2556 "Strip offensive headers from bodies."
2560 (let ((case-fold-search t))
2561 (when (looking-at "x-no-archive:")
2562 (gnus-delete-line)))))
2564 (defun article-strip-leading-blank-lines ()
2565 "Remove all blank lines from the beginning of the article."
2568 (let ((inhibit-point-motion-hooks t)
2570 (when (article-goto-body)
2571 (while (and (not (eobp))
2572 (looking-at "[ \t]*$"))
2573 (gnus-delete-line))))))
2575 (defun article-narrow-to-head ()
2576 "Narrow the buffer to the head of the message.
2577 Point is left at the beginning of the narrowed-to region."
2579 (goto-char (point-min))
2580 (if (search-forward "\n\n" nil 1)
2583 (goto-char (point-min)))
2585 (defun article-goto-body ()
2586 "Place point at the start of the body."
2587 (goto-char (point-min))
2589 ;; This variable is only bound when dealing with separate
2591 (article-goto-body-goes-to-point-min-p
2593 ((search-forward "\n\n" nil t)
2596 (goto-char (point-max))
2599 (defun article-strip-multiple-blank-lines ()
2600 "Replace consecutive blank lines with one empty line."
2603 (let ((inhibit-point-motion-hooks t)
2605 ;; First make all blank lines empty.
2607 (while (re-search-forward "^[ \t]+$" nil t)
2608 (unless (gnus-annotation-in-region-p
2609 (match-beginning 0) (match-end 0))
2610 (replace-match "" nil t)))
2611 ;; Then replace multiple empty lines with a single empty line.
2613 (while (re-search-forward "\n\n\\(\n+\\)" nil t)
2614 (unless (gnus-annotation-in-region-p
2615 (match-beginning 0) (match-end 0))
2616 (delete-region (match-beginning 1) (match-end 1)))))))
2618 (defun article-strip-leading-space ()
2619 "Remove all white space from the beginning of the lines in the article."
2622 (let ((inhibit-point-motion-hooks t)
2625 (while (re-search-forward "^[ \t]+" nil t)
2626 (replace-match "" t t)))))
2628 (defun article-strip-trailing-space ()
2629 "Remove all white space from the end of the lines in the article."
2632 (let ((inhibit-point-motion-hooks t)
2635 (while (re-search-forward "[ \t]+$" nil t)
2636 (replace-match "" t t)))))
2638 (defun article-strip-blank-lines ()
2639 "Strip leading, trailing and multiple blank lines."
2641 (article-strip-leading-blank-lines)
2642 (article-remove-trailing-blank-lines)
2643 (article-strip-multiple-blank-lines))
2645 (defun article-strip-all-blank-lines ()
2646 "Strip all blank lines."
2649 (let ((inhibit-point-motion-hooks t)
2652 (while (re-search-forward "^[ \t]*\n" nil t)
2653 (replace-match "" t t)))))
2655 (defun gnus-article-narrow-to-signature ()
2656 "Narrow to the signature; return t if a signature is found, else nil."
2657 (let ((inhibit-point-motion-hooks t))
2658 (when (gnus-article-search-signature)
2660 ;; Check whether we have some limits to what we consider
2661 ;; to be a signature.
2662 (let ((limits (if (listp gnus-signature-limit) gnus-signature-limit
2663 (list gnus-signature-limit)))
2665 (while (setq limit (pop limits))
2666 (if (or (and (integerp limit)
2667 (< (- (point-max) (point)) limit))
2669 (< (count-lines (point) (point-max)) limit))
2670 (and (functionp limit)
2672 (and (stringp limit)
2673 (not (re-search-forward limit nil t))))
2674 () ; This limit did not succeed.
2678 (narrow-to-region (point) (point-max))
2681 (defun gnus-article-search-signature ()
2682 "Search the current buffer for the signature separator.
2683 Put point at the beginning of the signature separator."
2684 (let ((cur (point)))
2685 (goto-char (point-max))
2686 (if (if (stringp gnus-signature-separator)
2687 (re-search-backward gnus-signature-separator nil t)
2688 (let ((seps gnus-signature-separator))
2690 (not (re-search-backward (car seps) nil t)))
2697 (defun gnus-article-hidden-arg ()
2698 "Return the current prefix arg as a number, or 0 if no prefix."
2699 (list (if current-prefix-arg
2700 (prefix-numeric-value current-prefix-arg)
2703 (defun gnus-article-check-hidden-text (type arg)
2704 "Return nil if hiding is necessary.
2705 Arg can be nil or a number. nil and positive means hide, negative
2706 means show, 0 means toggle."
2709 (let ((hide (gnus-article-hidden-text-p type)))
2715 (gnus-article-show-hidden-text type)
2718 (if (eq hide 'hidden)
2720 (gnus-article-show-hidden-text type)
2724 (defun gnus-article-hidden-text-p (type)
2725 "Say whether the current buffer contains hidden text of type TYPE."
2726 (let ((pos (text-property-any (point-min) (point-max) 'article-type type)))
2728 (not (get-text-property pos 'invisible))
2729 (not (get-text-property pos 'dummy-invisible)))
2731 (text-property-any (1+ pos) (point-max) 'article-type type)))
2736 (defun gnus-article-show-hidden-text (type &optional dummy)
2737 "Show all hidden text of type TYPE.
2738 Originally it is hide instead of DUMMY."
2739 (let ((buffer-read-only nil)
2740 (inhibit-point-motion-hooks t))
2741 (gnus-remove-text-properties-when
2743 (point-min) (point-max)
2744 (cons 'article-type (cons type
2745 gnus-hidden-properties)))
2746 (gnus-delete-wash-type type)))
2748 (defconst article-time-units
2749 `((year . ,(* 365.25 24 60 60))
2750 (week . ,(* 7 24 60 60))
2751 (day . ,(* 24 60 60))
2755 "Mapping from time units to seconds.")
2757 (defun gnus-article-forward-header ()
2758 "Move point to the start of the next header.
2759 If the current header is a continuation header, this can be several
2764 (if (looking-at "[ \t]+[^ \t]")
2768 (defun article-date-ut (&optional type highlight header)
2769 "Convert DATE date to universal time in the current article.
2770 If TYPE is `local', convert to local time; if it is `lapsed', output
2771 how much time has lapsed since DATE. For `lapsed', the value of
2772 `gnus-article-date-lapsed-new-header' says whether the \"X-Sent:\" header
2773 should replace the \"Date:\" one, or should be added below it."
2774 (interactive (list 'ut t))
2775 (let* ((header (or header
2776 (message-fetch-field "date")
2778 (tdate-regexp "^Date:[ \t]\\|^X-Sent:[ \t]")
2781 ((not gnus-article-date-lapsed-new-header)
2787 (date (if (vectorp header) (mail-header-date header)
2789 (inhibit-point-motion-hooks t)
2794 (article-narrow-to-head)
2795 (when (re-search-forward tdate-regexp nil t)
2796 (setq bface (get-text-property (point-at-bol) 'face)
2797 date (or (get-text-property (point-at-bol)
2800 eface (get-text-property (1- (point-at-eol)) 'face))
2802 (when (and date (not (string= date "")))
2803 (goto-char (point-min))
2804 (let ((buffer-read-only nil))
2805 ;; Delete any old Date headers.
2806 (while (re-search-forward date-regexp nil t)
2808 (delete-region (point-at-bol)
2809 (progn (gnus-article-forward-header)
2811 (delete-region (point-at-bol)
2812 (progn (gnus-article-forward-header)
2815 (setq pos (point))))
2816 (when (and (not pos)
2817 (re-search-forward tdate-regexp nil t))
2819 (gnus-goto-char pos)
2820 (insert (article-make-date-line date (or type 'ut)))
2826 (when (looking-at "\\([^:]+\\): *\\(.*\\)$")
2827 (put-text-property (match-beginning 1) (1+ (match-end 1))
2828 'original-date date)
2829 (put-text-property (match-beginning 1) (1+ (match-end 1))
2831 (put-text-property (match-beginning 2) (match-end 2)
2834 (defun article-make-date-line (date type)
2835 "Return a DATE line of TYPE."
2836 (unless (memq type '(local ut original user iso8601 lapsed english))
2837 (error "Unknown conversion type: %s" type))
2839 (let ((time (date-to-time date)))
2841 ;; Convert to the local timezone.
2843 (let ((tz (car (current-time-zone time))))
2844 (format "Date: %s %s%02d%02d" (current-time-string time)
2845 (if (> tz 0) "+" "-") (/ (abs tz) 3600)
2846 (/ (% (abs tz) 3600) 60))))
2847 ;; Convert to Universal Time.
2850 (current-time-string
2851 (let* ((e (parse-time-string date))
2852 (tm (apply 'encode-time e))
2854 (ls (- (cadr tm) (car (current-time-zone time)))))
2855 (cond ((< ls 0) (list (1- ms) (+ ls 65536)))
2856 ((> ls 65535) (list (1+ ms) (- ls 65536)))
2859 ;; Get the original date from the article.
2860 ((eq type 'original)
2861 (concat "Date: " (if (string-match "\n+$" date)
2862 (substring date 0 (match-beginning 0))
2864 ;; Let the user define the format.
2866 (let ((format (or (condition-case nil
2867 (with-current-buffer gnus-summary-buffer
2868 gnus-article-time-format)
2870 gnus-article-time-format)))
2871 (if (functionp format)
2872 (funcall format time)
2873 (concat "Date: " (format-time-string format time)))))
2876 (let ((tz (car (current-time-zone time))))
2879 (format-time-string "%Y%m%dT%H%M%S" time)
2880 (format "%s%02d%02d"
2881 (if (> tz 0) "+" "-") (/ (abs tz) 3600)
2882 (/ (% (abs tz) 3600) 60)))))
2883 ;; Do an X-Sent lapsed format.
2885 ;; If the date is seriously mangled, the timezone functions are
2886 ;; liable to bug out, so we ignore all errors.
2887 (let* ((now (current-time))
2888 (real-time (subtract-time now time))
2889 (real-sec (and real-time
2890 (+ (* (float (car real-time)) 65536)
2892 (sec (and real-time (abs real-sec)))
2902 ;; This is a bit convoluted, but basically we go
2903 ;; through the time units for years, weeks, etc,
2904 ;; and divide things to see whether that results
2905 ;; in positive answers.
2908 (if (zerop (setq num (ffloor (/ sec (cdr unit)))))
2909 ;; The (remaining) seconds are too few to
2910 ;; be divided into this time unit.
2912 ;; It's big enough, so we output it.
2913 (setq sec (- sec (* num (cdr unit))))
2915 (concat (if prev ", " "") (int-to-string
2917 " " (symbol-name (car unit))
2918 (if (> num 1) "s" ""))
2920 article-time-units "")
2921 ;; If dates are odd, then it might appear like the
2922 ;; article was sent in the future.
2925 " in the future"))))))
2926 ;; Display the date in proper English
2928 (let ((dtime (decode-time time)))
2931 (number-to-string (nth 3 dtime))
2932 (let ((digit (% (nth 3 dtime) 10)))
2934 ((memq (nth 3 dtime) '(11 12 13)) "th")
2940 (nth (1- (nth 4 dtime)) gnus-english-month-names)
2942 (number-to-string (nth 5 dtime))
2944 (format "%02d" (nth 2 dtime))
2946 (format "%02d" (nth 1 dtime)))))))
2948 (format "Date: %s (from Gnus)" date))))
2950 (defun article-date-local (&optional highlight)
2951 "Convert the current article date to the local timezone."
2952 (interactive (list t))
2953 (article-date-ut 'local highlight))
2955 (defun article-date-english (&optional highlight)
2956 "Convert the current article date to something that is proper English."
2957 (interactive (list t))
2958 (article-date-ut 'english highlight))
2960 (defun article-date-original (&optional highlight)
2961 "Convert the current article date to what it was originally.
2962 This is only useful if you have used some other date conversion
2963 function and want to see what the date was before converting."
2964 (interactive (list t))
2965 (article-date-ut 'original highlight))
2967 (defun article-date-lapsed (&optional highlight)
2968 "Convert the current article date to time lapsed since it was sent."
2969 (interactive (list t))
2970 (article-date-ut 'lapsed highlight))
2972 (defun article-update-date-lapsed ()
2973 "Function to be run from a timer to update the lapsed time line."
2974 (let (deactivate-mark)
2979 (set-buffer (window-buffer w))
2980 (when (eq major-mode 'gnus-article-mode)
2981 (let ((mark (point-marker)))
2982 (goto-char (point-min))
2983 (when (re-search-forward "^X-Sent:" nil t)
2984 (article-date-lapsed t))
2985 (goto-char (marker-position mark))
2986 (move-marker mark nil))))
2989 (defun gnus-start-date-timer (&optional n)
2990 "Start a timer to update the X-Sent header in the article buffers.
2991 The numerical prefix says how frequently (in seconds) the function
2996 (gnus-stop-date-timer)
2997 (setq article-lapsed-timer
2998 (run-at-time 1 n 'article-update-date-lapsed)))
3000 (defun gnus-stop-date-timer ()
3001 "Stop the X-Sent timer."
3003 (when article-lapsed-timer
3004 (nnheader-cancel-timer article-lapsed-timer)
3005 (setq article-lapsed-timer nil)))
3007 (defun article-date-user (&optional highlight)
3008 "Convert the current article date to the user-defined format.
3009 This format is defined by the `gnus-article-time-format' variable."
3010 (interactive (list t))
3011 (article-date-ut 'user highlight))
3013 (defun article-date-iso8601 (&optional highlight)
3014 "Convert the current article date to ISO8601."
3015 (interactive (list t))
3016 (article-date-ut 'iso8601 highlight))
3018 ;; (defun article-show-all ()
3019 ;; "Show all hidden text in the article buffer."
3022 ;; (let ((buffer-read-only nil))
3023 ;; (gnus-article-unhide-text (point-min) (point-max)))))
3025 (defun article-remove-leading-whitespace ()
3026 "Remove excessive whitespace from all headers."
3030 (let ((buffer-read-only nil))
3031 (article-narrow-to-head)
3032 (goto-char (point-min))
3033 (while (re-search-forward "^[^ :]+: \\([ \t]+\\)" nil t)
3034 (delete-region (match-beginning 1) (match-end 1)))))))
3036 (defun article-emphasize (&optional arg)
3037 "Emphasize text according to `gnus-emphasis-alist'."
3038 (interactive (gnus-article-hidden-arg))
3039 (unless (gnus-article-check-hidden-text 'emphasis arg)
3043 (with-current-buffer gnus-summary-buffer
3044 gnus-article-emphasis-alist)
3046 gnus-emphasis-alist))
3047 (buffer-read-only nil)
3048 (props (append '(article-type emphasis)
3049 gnus-hidden-properties))
3050 regexp elem beg invisible visible face)
3053 (while (setq elem (pop alist))
3055 (setq regexp (car elem)
3056 invisible (nth 1 elem)
3057 visible (nth 2 elem)
3059 (while (re-search-forward regexp nil t)
3060 (when (and (match-beginning visible) (match-beginning invisible))
3061 (gnus-article-hide-text
3062 (match-beginning invisible) (match-end invisible) props)
3063 (gnus-article-unhide-text-type
3064 (match-beginning visible) (match-end visible) 'emphasis)
3065 (gnus-put-overlay-excluding-newlines
3066 (match-beginning visible) (match-end visible) 'face face)
3067 (gnus-add-wash-type 'emphasis)
3068 (goto-char (match-end invisible)))))))))
3070 (defun gnus-article-setup-highlight-words (&optional highlight-words)
3071 "Setup newsgroup emphasis alist."
3072 (unless gnus-article-emphasis-alist
3073 (let ((name (and gnus-newsgroup-name
3074 (gnus-group-real-name gnus-newsgroup-name))))
3075 (make-local-variable 'gnus-article-emphasis-alist)
3076 (setq gnus-article-emphasis-alist
3078 (let ((alist gnus-group-highlight-words-alist) elem highlight)
3079 (while (setq elem (pop alist))
3080 (when (and name (string-match (car elem) name))
3082 highlight (copy-sequence (cdr elem)))))
3084 (copy-sequence highlight-words)
3085 (if gnus-newsgroup-name
3086 (copy-sequence (gnus-group-find-parameter
3087 gnus-newsgroup-name 'highlight-words t)))
3088 gnus-emphasis-alist)))))
3091 (defvar gnus-summary-article-menu)
3092 (defvar gnus-summary-post-menu))
3094 ;;; Saving functions.
3096 (defun gnus-article-save (save-buffer file &optional num)
3097 "Save the currently selected article."
3098 (unless gnus-save-all-headers
3099 ;; Remove headers according to `gnus-saved-headers'.
3100 (let ((gnus-visible-headers
3101 (or gnus-saved-headers gnus-visible-headers))
3102 (gnus-article-buffer save-buffer))
3104 (set-buffer save-buffer)
3105 (article-hide-headers 1 t))))
3106 (save-window-excursion
3107 (if (not gnus-default-article-saver)
3108 (error "No default saver is defined")
3109 ;; !!! Magic! The saving functions all save
3110 ;; `gnus-save-article-buffer' (or so they think), but we
3111 ;; bind that variable to our save-buffer.
3112 (set-buffer gnus-article-buffer)
3113 (let* ((gnus-save-article-buffer save-buffer)
3116 ((not gnus-prompt-before-saving) 'default)
3117 ((eq gnus-prompt-before-saving 'always) nil)
3119 (gnus-number-of-articles-to-be-saved
3120 (when (eq gnus-prompt-before-saving t)
3122 (set-buffer gnus-article-current-summary)
3123 (funcall gnus-default-article-saver filename)))))
3125 (defun gnus-read-save-file-name (prompt &optional filename
3126 function group headers variable)
3128 (funcall function group headers (symbol-value variable)))
3133 ((eq filename 'default)
3139 (let* ((split-name (gnus-get-split-value gnus-split-methods))
3142 (if (and gnus-number-of-articles-to-be-saved
3143 (> gnus-number-of-articles-to-be-saved 1))
3144 (format "these %d articles"
3145 gnus-number-of-articles-to-be-saved)
3148 ;; Let the split methods have their say.
3150 ;; No split name was found.
3153 (concat prompt " (default "
3154 (file-name-nondirectory default-name) ") ")
3155 (file-name-directory default-name)
3157 ;; A single group name is returned.
3158 ((stringp split-name)
3160 (funcall function split-name headers
3161 (symbol-value variable)))
3163 (concat prompt " (default "
3164 (file-name-nondirectory default-name) ") ")
3165 (file-name-directory default-name)
3167 ;; A single split name was found
3168 ((= 1 (length split-name))
3169 (let* ((name (expand-file-name
3171 gnus-article-save-directory))
3172 (dir (cond ((file-directory-p name)
3173 (file-name-as-directory name))
3174 ((file-exists-p name) name)
3175 (t gnus-article-save-directory))))
3177 (concat prompt " (default " name ") ")
3179 ;; A list of splits was found.
3181 (setq split-name (nreverse split-name))
3183 (let ((file-name-history
3184 (nconc split-name file-name-history)))
3188 (concat prompt " (`M-p' for defaults) ")
3189 gnus-article-save-directory
3191 gnus-article-save-directory)))
3192 (car (push result file-name-history)))))))
3193 ;; Create the directory.
3194 (gnus-make-directory (file-name-directory file))
3195 ;; If we have read a directory, we append the default file name.
3196 (when (file-directory-p file)
3197 (setq file (expand-file-name (file-name-nondirectory
3199 (file-name-as-directory file))))
3200 ;; Possibly translate some characters.
3201 (nnheader-translate-file-chars file))))))
3202 (gnus-make-directory (file-name-directory result))
3203 (set variable result)))
3205 (defun gnus-article-archive-name (group)
3206 "Return the first instance of an \"Archive-name\" in the current buffer."
3207 (let ((case-fold-search t))
3208 (when (re-search-forward "archive-name: *\\([^ \n\t]+\\)[ \t]*$" nil t)
3209 (nnheader-concat gnus-article-save-directory
3210 (match-string 1)))))
3212 (defun gnus-article-nndoc-name (group)
3213 "If GROUP is an nndoc group, return the name of the parent group."
3214 (when (eq (car (gnus-find-method-for-group group)) 'nndoc)
3215 (gnus-group-get-parameter group 'save-article-group)))
3217 (defun gnus-summary-save-in-rmail (&optional filename)
3218 "Append this article to Rmail file.
3219 Optional argument FILENAME specifies file name.
3220 Directory to save to is default to `gnus-article-save-directory'."
3221 (setq filename (gnus-read-save-file-name
3222 "Save %s in rmail file:" filename
3223 gnus-rmail-save-name gnus-newsgroup-name
3224 gnus-current-headers 'gnus-newsgroup-last-rmail))
3225 (gnus-eval-in-buffer-window gnus-save-article-buffer
3229 (gnus-output-to-rmail filename))))
3232 (defun gnus-summary-save-in-mail (&optional filename)
3233 "Append this article to Unix mail file.
3234 Optional argument FILENAME specifies file name.
3235 Directory to save to is default to `gnus-article-save-directory'."
3236 (setq filename (gnus-read-save-file-name
3237 "Save %s in Unix mail file:" filename
3238 gnus-mail-save-name gnus-newsgroup-name
3239 gnus-current-headers 'gnus-newsgroup-last-mail))
3240 (gnus-eval-in-buffer-window gnus-save-article-buffer
3244 (if (and (file-readable-p filename)
3245 (file-regular-p filename)
3246 (mail-file-babyl-p filename))
3247 (rmail-output-to-rmail-file filename t)
3248 (gnus-output-to-mail filename)))))
3251 (defun gnus-summary-save-in-file (&optional filename overwrite)
3252 "Append this article to file.
3253 Optional argument FILENAME specifies file name.
3254 Directory to save to is default to `gnus-article-save-directory'."
3255 (setq filename (gnus-read-save-file-name
3256 "Save %s in file:" filename
3257 gnus-file-save-name gnus-newsgroup-name
3258 gnus-current-headers 'gnus-newsgroup-last-file))
3259 (gnus-eval-in-buffer-window gnus-save-article-buffer
3263 (when (and overwrite
3264 (file-exists-p filename))
3265 (delete-file filename))
3266 (gnus-output-to-file filename))))
3269 (defun gnus-summary-write-to-file (&optional filename)
3270 "Write this article to a file, overwriting it if the file exists.
3271 Optional argument FILENAME specifies file name.
3272 The directory to save in defaults to `gnus-article-save-directory'."
3273 (gnus-summary-save-in-file nil t))
3275 (defun gnus-summary-save-body-in-file (&optional filename)
3276 "Append this article body to a file.
3277 Optional argument FILENAME specifies file name.
3278 The directory to save in defaults to `gnus-article-save-directory'."
3279 (setq filename (gnus-read-save-file-name
3280 "Save %s body in file:" filename
3281 gnus-file-save-name gnus-newsgroup-name
3282 gnus-current-headers 'gnus-newsgroup-last-file))
3283 (gnus-eval-in-buffer-window gnus-save-article-buffer
3287 (when (article-goto-body)
3288 (narrow-to-region (point) (point-max)))
3289 (gnus-output-to-file filename))))
3292 (defun gnus-summary-save-in-pipe (&optional command)
3293 "Pipe this article to subprocess."
3295 (cond ((and (eq command 'default)
3296 gnus-last-shell-command)
3297 gnus-last-shell-command)
3302 "Shell command on %s: "
3303 (if (and gnus-number-of-articles-to-be-saved
3304 (> gnus-number-of-articles-to-be-saved 1))
3305 (format "these %d articles"
3306 gnus-number-of-articles-to-be-saved)
3308 gnus-last-shell-command))))
3309 (when (string-equal command "")
3310 (if gnus-last-shell-command
3311 (setq command gnus-last-shell-command)
3312 (error "A command is required")))
3313 (gnus-eval-in-buffer-window gnus-article-buffer
3316 (shell-command-on-region (point-min) (point-max) command nil)))
3317 (setq gnus-last-shell-command command))
3319 (defun gnus-summary-pipe-to-muttprint (&optional command)
3320 "Pipe this article to muttprint."
3321 (setq command (read-string
3322 "Print using command: " gnus-summary-muttprint-program
3323 nil gnus-summary-muttprint-program))
3324 (gnus-summary-save-in-pipe command))
3326 ;;; Article file names when saving.
3328 (defun gnus-capitalize-newsgroup (newsgroup)
3329 "Capitalize NEWSGROUP name."
3330 (when (not (zerop (length newsgroup)))
3331 (concat (char-to-string (upcase (aref newsgroup 0)))
3332 (substring newsgroup 1))))
3334 (defun gnus-Numeric-save-name (newsgroup headers &optional last-file)
3335 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3336 If variable `gnus-use-long-file-name' is non-nil, it is ~/News/News.group/num.
3337 Otherwise, it is like ~/News/news/group/num."
3340 (concat (if (gnus-use-long-file-name 'not-save)
3341 (gnus-capitalize-newsgroup newsgroup)
3342 (gnus-newsgroup-directory-form newsgroup))
3343 "/" (int-to-string (mail-header-number headers)))
3344 gnus-article-save-directory)))
3346 (string-equal (file-name-directory default)
3347 (file-name-directory last-file))
3348 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
3350 (or last-file default))))
3352 (defun gnus-numeric-save-name (newsgroup headers &optional last-file)
3353 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3354 If variable `gnus-use-long-file-name' is non-nil, it is
3355 ~/News/news.group/num. Otherwise, it is like ~/News/news/group/num."
3358 (concat (if (gnus-use-long-file-name 'not-save)
3360 (gnus-newsgroup-directory-form newsgroup))
3361 "/" (int-to-string (mail-header-number headers)))
3362 gnus-article-save-directory)))
3364 (string-equal (file-name-directory default)
3365 (file-name-directory last-file))
3366 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
3368 (or last-file default))))
3370 (defun gnus-plain-save-name (newsgroup headers &optional last-file)
3371 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3372 If variable `gnus-use-long-file-name' is non-nil, it is
3373 ~/News/news.group. Otherwise, it is like ~/News/news/group/news."
3376 (if (gnus-use-long-file-name 'not-save)
3379 (expand-file-name "news" (gnus-newsgroup-directory-form newsgroup))
3381 gnus-article-save-directory)))
3383 (defun gnus-sender-save-name (newsgroup headers &optional last-file)
3384 "Generate file name from sender."
3385 (let ((from (mail-header-from headers)))
3387 (if (and from (string-match "\\([^ <]+\\)@" from))
3388 (match-string 1 from)
3390 gnus-article-save-directory)))
3392 (defun article-verify-x-pgp-sig ()
3395 (if (gnus-buffer-live-p gnus-original-article-buffer)
3396 (let ((sig (with-current-buffer gnus-original-article-buffer
3397 (gnus-fetch-field "X-PGP-Sig")))
3401 (mml2015-clear-verify-function))
3403 (insert-buffer-substring gnus-original-article-buffer)
3404 (setq items (split-string sig))
3405 (message-narrow-to-head)
3406 (let ((inhibit-point-motion-hooks t)
3407 (case-fold-search t))
3408 ;; Don't verify multiple headers.
3409 (setq headers (mapconcat (lambda (header)
3411 (mail-fetch-field header)
3413 (split-string (nth 1 items) ",") "")))
3414 (delete-region (point-min) (point-max))
3415 (insert "-----BEGIN PGP SIGNED MESSAGE-----\n\n")
3416 (insert "X-Signed-Headers: " (nth 1 items) "\n")
3421 (if (looking-at "^-")
3424 (insert "\n-----BEGIN PGP SIGNATURE-----\n")
3425 (insert "Version: " (car items) "\n\n")
3426 (insert (mapconcat 'identity (cddr items) "\n"))
3427 (insert "\n-----END PGP SIGNATURE-----\n")
3428 (let ((mm-security-handle (list (format "multipart/signed"))))
3429 (mml2015-clean-buffer)
3430 (let ((coding-system-for-write (or gnus-newsgroup-charset
3432 (funcall (mml2015-clear-verify-function)))
3434 (or (mm-handle-multipart-ctl-parameter
3435 mm-security-handle 'gnus-details)
3436 (mm-handle-multipart-ctl-parameter
3437 mm-security-handle 'gnus-info)))))
3439 (let (buffer-read-only bface eface)
3441 (message-narrow-to-head)
3442 (goto-char (point-max))
3444 (setq bface (get-text-property (point-at-bol) 'face)
3445 eface (get-text-property (1- (point-at-eol)) 'face))
3446 (message-remove-header "X-Gnus-PGP-Verify")
3447 (if (re-search-forward "^X-PGP-Sig:" nil t)
3449 (goto-char (point-max)))
3450 (narrow-to-region (point) (point))
3451 (insert "X-Gnus-PGP-Verify: " info "\n")
3452 (goto-char (point-min))
3455 (if (not (looking-at "^[ \t]"))
3459 (goto-char (point-min))
3460 (when (looking-at "\\([^:]+\\): *")
3461 (put-text-property (match-beginning 1) (1+ (match-end 1))
3463 (put-text-property (match-end 0) (point-max)
3464 'face eface)))))))))
3466 (defun article-verify-cancel-lock ()
3467 "Verify Cancel-Lock header."
3469 (if (gnus-buffer-live-p gnus-original-article-buffer)
3470 (canlock-verify gnus-original-article-buffer)))
3477 (setq afunc (car func)
3480 gfunc (intern (format "gnus-%s" func))))
3482 (when (fboundp afunc)
3483 `(lambda (&optional interactive &rest args)
3484 ,(documentation afunc t)
3485 (interactive (list t))
3487 (set-buffer gnus-article-buffer)
3489 (call-interactively ',afunc)
3490 (apply ',afunc args))))))))
3491 '(article-hide-headers
3492 article-verify-x-pgp-sig
3493 article-verify-cancel-lock
3494 article-hide-boring-headers
3495 article-treat-overstrike
3496 article-treat-ansi-sequences
3497 article-fill-long-lines
3498 article-capitalize-sentences
3500 article-remove-leading-whitespace
3501 article-display-x-face
3502 article-display-face
3503 article-de-quoted-unreadable
3504 article-de-base64-unreadable
3507 article-unsplit-urls
3508 article-hide-list-identifiers
3509 article-strip-banner
3512 article-hide-signature
3513 article-strip-headers-in-body
3514 article-remove-trailing-blank-lines
3515 article-strip-leading-blank-lines
3516 article-strip-multiple-blank-lines
3517 article-strip-leading-space
3518 article-strip-trailing-space
3519 article-strip-blank-lines
3520 article-strip-all-blank-lines
3522 article-date-english
3523 article-date-iso8601
3524 article-date-original
3526 article-decode-mime-words
3527 article-decode-charset
3528 article-decode-encoded-words
3532 article-treat-dumbquotes
3533 article-normalize-headers
3534 ;; (article-show-all . gnus-article-show-all-headers)
3538 ;;; Gnus article mode
3541 (put 'gnus-article-mode 'mode-class 'special)
3543 (set-keymap-parent gnus-article-mode-map widget-keymap)
3545 (gnus-define-keys gnus-article-mode-map
3546 " " gnus-article-goto-next-page
3547 "\177" gnus-article-goto-prev-page
3548 [delete] gnus-article-goto-prev-page
3549 [backspace] gnus-article-goto-prev-page
3550 "\C-c^" gnus-article-refer-article
3551 "h" gnus-article-show-summary
3552 "s" gnus-article-show-summary
3553 "\C-c\C-m" gnus-article-mail
3554 "?" gnus-article-describe-briefly
3555 "e" gnus-summary-edit-article
3556 "<" beginning-of-buffer
3558 "\C-c\C-i" gnus-info-find-node
3560 "R" gnus-article-reply-with-original
3561 "F" gnus-article-followup-with-original
3562 "\C-hk" gnus-article-describe-key
3563 "\C-hc" gnus-article-describe-key-briefly
3565 "\C-d" gnus-article-read-summary-keys
3566 "\M-*" gnus-article-read-summary-keys
3567 "\M-#" gnus-article-read-summary-keys
3568 "\M-^" gnus-article-read-summary-keys
3569 "\M-g" gnus-article-read-summary-keys)
3571 (substitute-key-definition
3572 'undefined 'gnus-article-read-summary-keys gnus-article-mode-map)
3574 (defun gnus-article-make-menu-bar ()
3575 (unless (boundp 'gnus-article-commands-menu)
3576 (gnus-summary-make-menu-bar))
3577 (gnus-turn-off-edit-menu 'article)
3578 (unless (boundp 'gnus-article-article-menu)
3580 gnus-article-article-menu gnus-article-mode-map ""
3582 ["Scroll forwards" gnus-article-goto-next-page t]
3583 ["Scroll backwards" gnus-article-goto-prev-page t]
3584 ["Show summary" gnus-article-show-summary t]
3585 ["Fetch Message-ID at point" gnus-article-refer-article t]
3586 ["Mail to address at point" gnus-article-mail t]
3587 ["Send a bug report" gnus-bug t]))
3590 gnus-article-treatment-menu gnus-article-mode-map ""
3591 ;; Fixme: this should use :active (and maybe :visible).
3593 ["Hide headers" gnus-article-hide-headers t]
3594 ["Hide signature" gnus-article-hide-signature t]
3595 ["Hide citation" gnus-article-hide-citation t]
3596 ["Treat overstrike" gnus-article-treat-overstrike t]
3597 ["Treat ANSI sequences" gnus-article-treat-ansi-sequences t]
3598 ["Remove carriage return" gnus-article-remove-cr t]
3599 ["Remove leading whitespace" gnus-article-remove-leading-whitespace t]
3600 ["Remove quoted-unreadable" gnus-article-de-quoted-unreadable t]
3601 ["Remove base64" gnus-article-de-base64-unreadable t]
3602 ["Treat html" gnus-article-wash-html t]
3603 ["Remove newlines from within URLs" gnus-article-unsplit-urls t]
3604 ["Decode HZ" gnus-article-decode-HZ t]))
3606 ;; Note "Commands" menu is defined in gnus-sum.el for consistency
3608 ;; Note "Post" menu is defined in gnus-sum.el for consistency
3610 (gnus-run-hooks 'gnus-article-menu-hook)))
3612 (defun gnus-article-mode ()
3613 "Major mode for displaying an article.
3615 All normal editing commands are switched off.
3617 The following commands are available in addition to all summary mode
3619 \\<gnus-article-mode-map>
3620 \\[gnus-article-next-page]\t Scroll the article one page forwards
3621 \\[gnus-article-prev-page]\t Scroll the article one page backwards
3622 \\[gnus-article-refer-article]\t Go to the article referred to by an article id near point
3623 \\[gnus-article-show-summary]\t Display the summary buffer
3624 \\[gnus-article-mail]\t Send a reply to the address near point
3625 \\[gnus-article-describe-briefly]\t Describe the current mode briefly
3626 \\[gnus-info-find-node]\t Go to the Gnus info node"
3628 (gnus-simplify-mode-line)
3629 (setq mode-name "Article")
3630 (setq major-mode 'gnus-article-mode)
3631 (make-local-variable 'minor-mode-alist)
3632 (use-local-map gnus-article-mode-map)
3633 (when (gnus-visual-p 'article-menu 'menu)
3634 (gnus-article-make-menu-bar)
3635 (when gnus-summary-tool-bar-map
3636 (set (make-local-variable 'tool-bar-map) gnus-summary-tool-bar-map)))
3637 (gnus-update-format-specifications nil 'article-mode)
3638 (set (make-local-variable 'page-delimiter) gnus-page-delimiter)
3639 (set (make-local-variable 'gnus-page-broken) nil)
3640 (make-local-variable 'gnus-button-marker-list)
3641 (make-local-variable 'gnus-article-current-summary)
3642 (make-local-variable 'gnus-article-mime-handles)
3643 (make-local-variable 'gnus-article-decoded-p)
3644 (make-local-variable 'gnus-article-mime-handle-alist)
3645 (make-local-variable 'gnus-article-wash-types)
3646 (make-local-variable 'gnus-article-image-alist)
3647 (make-local-variable 'gnus-article-charset)
3648 (make-local-variable 'gnus-article-ignored-charsets)
3649 (gnus-set-default-directory)
3650 (buffer-disable-undo)
3651 (setq buffer-read-only t
3652 show-trailing-whitespace nil)
3653 (set-syntax-table gnus-article-mode-syntax-table)
3654 (mm-enable-multibyte)
3655 (gnus-run-hooks 'gnus-article-mode-hook))
3657 (defun gnus-article-setup-buffer ()
3658 "Initialize the article buffer."
3659 (let* ((name (if gnus-single-article-buffer "*Article*"
3660 (concat "*Article " gnus-newsgroup-name "*")))
3662 (progn (string-match "\\*Article" name)
3663 (concat " *Original Article"
3664 (substring name (match-end 0))))))
3665 (setq gnus-article-buffer name)
3666 (setq gnus-original-article-buffer original)
3667 (setq gnus-article-mime-handle-alist nil)
3668 ;; This might be a variable local to the summary buffer.
3669 (unless gnus-single-article-buffer
3671 (set-buffer gnus-summary-buffer)
3672 (setq gnus-article-buffer name)
3673 (setq gnus-original-article-buffer original)
3674 (gnus-set-global-variables)))
3675 (gnus-article-setup-highlight-words)
3676 ;; Init original article buffer.
3678 (set-buffer (gnus-get-buffer-create gnus-original-article-buffer))
3679 (mm-enable-multibyte)
3680 (setq major-mode 'gnus-original-article-mode)
3681 (make-local-variable 'gnus-original-article))
3682 (if (get-buffer name)
3685 (when (and gnus-article-edit-mode
3688 (y-or-n-p "Article mode edit in progress; discard? ")))
3689 (error "Action aborted"))
3690 (set (make-local-variable 'gnus-article-edit-mode) nil)
3691 (when gnus-article-mime-handles
3692 (mm-destroy-parts gnus-article-mime-handles)
3693 (setq gnus-article-mime-handles nil))
3694 ;; Set it to nil in article-buffer!
3695 (setq gnus-article-mime-handle-alist nil)
3696 (buffer-disable-undo)
3697 (setq buffer-read-only t)
3698 ;; This list just keeps growing if we don't reset it.
3699 (setq gnus-button-marker-list nil)
3700 (unless (eq major-mode 'gnus-article-mode)
3701 (gnus-article-mode))
3704 (set-buffer (gnus-get-buffer-create name))
3706 (make-local-variable 'gnus-summary-buffer)
3707 (gnus-summary-set-local-parameters gnus-newsgroup-name)
3708 (current-buffer)))))
3710 ;; Set article window start at LINE, where LINE is the number of lines
3711 ;; from the head of the article.
3712 (defun gnus-article-set-window-start (&optional line)
3714 (gnus-get-buffer-window gnus-article-buffer t)
3716 (set-buffer gnus-article-buffer)
3717 (goto-char (point-min))
3720 (gnus-message 6 "Moved to bookmark")
3721 (search-forward "\n\n" nil t)
3725 (defun gnus-article-prepare (article &optional all-headers header)
3726 "Prepare ARTICLE in article mode buffer.
3727 ARTICLE should either be an article number or a Message-ID.
3728 If ARTICLE is an id, HEADER should be the article headers.
3729 If ALL-HEADERS is non-nil, no headers are hidden."
3731 ;; Make sure we start in a summary buffer.
3732 (unless (eq major-mode 'gnus-summary-mode)
3733 (set-buffer gnus-summary-buffer))
3734 (setq gnus-summary-buffer (current-buffer))
3735 (let* ((gnus-article (if header (mail-header-number header) article))
3736 (summary-buffer (current-buffer))
3737 (gnus-tmp-internal-hook gnus-article-internal-prepare-hook)
3738 (group gnus-newsgroup-name)
3741 (gnus-article-setup-buffer)
3742 (set-buffer gnus-article-buffer)
3743 ;; Deactivate active regions.
3744 (when (and (boundp 'transient-mark-mode)
3745 transient-mark-mode)
3746 (setq mark-active nil))
3747 (if (not (setq result (let ((buffer-read-only nil))
3748 (gnus-request-article-this-buffer
3750 ;; There is no such article.
3752 (when (and (numberp article)
3753 (not (memq article gnus-newsgroup-sparse)))
3754 (setq gnus-article-current
3755 (cons gnus-newsgroup-name article))
3756 (set-buffer gnus-summary-buffer)
3757 (setq gnus-current-article article)
3758 (if (and (memq article gnus-newsgroup-undownloaded)
3759 (not (gnus-online (gnus-find-method-for-group
3760 gnus-newsgroup-name))))
3762 (gnus-summary-set-agent-mark article)
3763 (message "Message marked for downloading"))
3764 (gnus-summary-mark-article article gnus-canceled-mark)
3765 (unless (memq article gnus-newsgroup-sparse)
3766 (gnus-error 1 "No such article (may have expired or been canceled)")))))
3767 (if (or (eq result 'pseudo)
3768 (eq result 'nneething))
3771 (set-buffer summary-buffer)
3772 (push article gnus-newsgroup-history)
3773 (setq gnus-last-article gnus-current-article
3774 gnus-current-article 0
3775 gnus-current-headers nil
3776 gnus-article-current nil)
3777 (if (eq result 'nneething)
3778 (gnus-configure-windows 'summary)
3779 (gnus-configure-windows 'article))
3780 (gnus-set-global-variables))
3781 (let ((gnus-article-mime-handle-alist-1
3782 gnus-article-mime-handle-alist))
3783 (gnus-set-mode-line 'article)))
3784 ;; The result from the `request' was an actual article -
3785 ;; or at least some text that is now displayed in the
3787 (when (and (numberp article)
3788 (not (eq article gnus-current-article)))
3789 ;; Seems like a new article has been selected.
3790 ;; `gnus-current-article' must be an article number.
3792 (set-buffer summary-buffer)
3793 (push article gnus-newsgroup-history)
3794 (setq gnus-last-article gnus-current-article
3795 gnus-current-article article
3796 gnus-current-headers
3797 (gnus-summary-article-header gnus-current-article)
3798 gnus-article-current
3799 (cons gnus-newsgroup-name gnus-current-article))
3800 (unless (vectorp gnus-current-headers)
3801 (setq gnus-current-headers nil))
3802 (gnus-summary-goto-subject gnus-current-article)
3803 (when (gnus-summary-show-thread)
3804 ;; If the summary buffer really was folded, the
3805 ;; previous goto may not actually have gone to
3806 ;; the right article, but the thread root instead.
3808 (gnus-summary-goto-subject gnus-current-article))
3809 (gnus-run-hooks 'gnus-mark-article-hook)
3810 (gnus-set-mode-line 'summary)
3811 (when (gnus-visual-p 'article-highlight 'highlight)
3812 (gnus-run-hooks 'gnus-visual-mark-article-hook))
3813 ;; Set the global newsgroup variables here.
3814 (gnus-set-global-variables)
3815 (setq gnus-have-all-headers
3816 (or all-headers gnus-show-all-headers))))
3818 (gnus-configure-windows 'article))
3819 (when (or (numberp article)
3821 (gnus-article-prepare-display)
3823 (goto-char (point-min))
3824 (when gnus-break-pages
3825 (gnus-narrow-to-page)))
3826 (let ((gnus-article-mime-handle-alist-1
3827 gnus-article-mime-handle-alist))
3828 (gnus-set-mode-line 'article))
3832 (set-window-point (get-buffer-window (current-buffer)) (point))
3833 (gnus-configure-windows 'article)
3837 (defun gnus-article-prepare-display ()
3838 "Make the current buffer look like a nice article."
3839 ;; Hooks for getting information from the article.
3840 ;; This hook must be called before being narrowed.
3841 (let ((gnus-article-buffer (current-buffer))
3843 (unless (eq major-mode 'gnus-article-mode)
3844 (gnus-article-mode))
3845 (setq buffer-read-only nil
3846 gnus-article-wash-types nil
3847 gnus-article-image-alist nil)
3848 (gnus-run-hooks 'gnus-tmp-internal-hook)
3849 (when gnus-display-mime-function
3850 (funcall gnus-display-mime-function))
3851 (gnus-run-hooks 'gnus-article-prepare-hook)))
3854 ;;; Gnus MIME viewing functions
3857 (defvar gnus-mime-button-line-format "%{%([%p. %d%T]%)%}%e\n"
3858 "Format of the MIME buttons.
3860 Valid specifiers include:
3862 %T MIME type, along with additional info
3863 %n The `name' parameter
3864 %d The description, if any
3865 %l The length of the encoded part
3866 %p The part identifier number
3867 %e Dots if the part isn't displayed
3869 General format specifiers can also be used. See Info node
3870 `(gnus)Formatting Variables'.")
3872 (defvar gnus-mime-button-line-format-alist
3873 '((?t gnus-tmp-type ?s)
3874 (?T gnus-tmp-type-long ?s)
3875 (?n gnus-tmp-name ?s)
3876 (?d gnus-tmp-description ?s)
3878 (?l gnus-tmp-length ?d)
3879 (?e gnus-tmp-dots ?s)))
3881 (defvar gnus-mime-button-commands
3882 '((gnus-article-press-button "\r" "Toggle Display")
3883 (gnus-mime-view-part "v" "View Interactively...")
3884 (gnus-mime-view-part-as-type "t" "View As Type...")
3885 (gnus-mime-view-part-as-charset "C" "View As charset...")
3886 (gnus-mime-save-part "o" "Save...")
3887 (gnus-mime-save-part-and-strip "\C-o" "Save and Strip")
3888 (gnus-mime-delete-part "d" "Delete part")
3889 (gnus-mime-copy-part "c" "View As Text, In Other Buffer")
3890 (gnus-mime-inline-part "i" "View As Text, In This Buffer")
3891 (gnus-mime-view-part-internally "E" "View Internally")
3892 (gnus-mime-view-part-externally "e" "View Externally")
3893 (gnus-mime-print-part "p" "Print")
3894 (gnus-mime-pipe-part "|" "Pipe To Command...")
3895 (gnus-mime-action-on-part "." "Take action on the part...")))
3897 (defun gnus-article-mime-part-status ()
3898 (if gnus-article-mime-handle-alist-1
3899 (if (eq 1 (length gnus-article-mime-handle-alist-1))
3901 (format " (%d parts)" (length gnus-article-mime-handle-alist-1)))
3904 (defvar gnus-mime-button-map
3905 (let ((map (make-sparse-keymap)))
3906 (define-key map gnus-mouse-2 'gnus-article-push-button)
3907 (define-key map gnus-down-mouse-3 'gnus-mime-button-menu)
3908 (dolist (c gnus-mime-button-commands)
3909 (define-key map (cadr c) (car c)))
3913 gnus-mime-button-menu gnus-mime-button-map "MIME button menu."
3915 ,@(mapcar (lambda (c)
3916 (vector (caddr c) (car c) :enable t))
3917 gnus-mime-button-commands)))
3919 (defun gnus-mime-button-menu (event prefix)
3920 "Construct a context-sensitive menu of MIME commands."
3921 (interactive "e\nP")
3922 (save-window-excursion
3923 (let ((pos (event-start event)))
3924 (select-window (posn-window pos))
3925 (goto-char (posn-point pos))
3926 (gnus-article-check-buffer)
3927 (popup-menu gnus-mime-button-menu nil prefix))))
3929 (defun gnus-mime-view-all-parts (&optional handles)
3930 "View all the MIME parts."
3932 (with-current-buffer gnus-article-buffer
3933 (let ((handles (or handles gnus-article-mime-handles))
3934 (mail-parse-charset gnus-newsgroup-charset)
3935 (mail-parse-ignored-charsets
3936 (with-current-buffer gnus-summary-buffer
3937 gnus-newsgroup-ignored-charsets)))
3939 (mm-remove-parts handles)
3940 (goto-char (point-min))
3941 (or (search-forward "\n\n") (goto-char (point-max)))
3942 (let (buffer-read-only)
3943 (delete-region (point) (point-max))
3944 (mm-display-parts handles))))))
3947 (defsubst gnus-article-edit-part (handles)
3948 "Edit an article in order to delete a mime part.
3949 This function is exclusively used by `gnus-mime-save-part-and-strip'
3950 and `gnus-mime-delete-part', and not provided at run-time normally."
3951 (gnus-article-edit-article
3954 (let ((mail-parse-charset (or gnus-article-charset
3955 ',gnus-newsgroup-charset))
3956 (mail-parse-ignored-charsets
3957 (or gnus-article-ignored-charsets
3958 ',gnus-newsgroup-ignored-charsets))
3959 (mbl mml-buffer-list))
3960 (setq mml-buffer-list nil)
3961 (insert-buffer gnus-original-article-buffer)
3962 (mime-to-mml ',handles)
3963 (setq gnus-article-mime-handles nil)
3964 (let ((mbl1 mml-buffer-list))
3965 (setq mml-buffer-list mbl)
3966 (set (make-local-variable 'mml-buffer-list) mbl1))
3967 (gnus-make-local-hook 'kill-buffer-hook)
3968 (add-hook 'kill-buffer-hook 'mml-destroy-buffers t t)))
3969 `(lambda (no-highlight)
3970 (let ((mail-parse-charset (or gnus-article-charset
3971 ',gnus-newsgroup-charset))
3972 (message-options message-options)
3973 (message-options-set-recipient)
3974 (mail-parse-ignored-charsets
3975 (or gnus-article-ignored-charsets
3976 ',gnus-newsgroup-ignored-charsets)))
3978 (mml-destroy-buffers)
3979 (remove-hook 'kill-buffer-hook
3980 'mml-destroy-buffers t)
3981 (kill-local-variable 'mml-buffer-list))
3982 (gnus-summary-edit-article-done
3983 ,(or (mail-header-references gnus-current-headers) "")
3984 ,(gnus-group-read-only-p)
3985 ,gnus-summary-buffer no-highlight)))
3986 (gnus-article-edit-done)
3987 (gnus-summary-expand-window)
3988 (gnus-summary-show-article)))
3990 (defun gnus-mime-save-part-and-strip ()
3991 "Save the MIME part under point then replace it with an external body."
3993 (gnus-article-check-buffer)
3994 (when (gnus-group-read-only-p)
3995 (error "The current group does not support deleting of parts"))
3996 (when (mm-complicated-handles gnus-article-mime-handles)
3998 The current article has a complicated MIME structure, giving up..."))
3999 (when (gnus-yes-or-no-p "\
4000 Deleting parts may malfunction or destroy the article; continue? ")
4001 (let* ((data (get-text-property (point) 'gnus-data))
4003 (handles gnus-article-mime-handles))
4004 (setq file (and data (mm-save-part data)))
4006 (with-current-buffer (mm-handle-buffer data)
4008 (insert "Content-Type: " (mm-handle-media-type data))
4009 (mml-insert-parameter-string (cdr (mm-handle-type data))
4012 (insert "Content-ID: " (message-make-message-id) "\n")
4013 (insert "Content-Transfer-Encoding: binary\n")
4016 (cdr (mm-make-handle nil
4017 `("message/external-body"
4018 (access-type . "LOCAL-FILE")
4020 (set-buffer gnus-summary-buffer)
4021 (gnus-article-edit-part handles)))))
4023 (defun gnus-mime-delete-part ()
4024 "Delete the MIME part under point.
4025 Replace it with some information about the removed part."
4027 (gnus-article-check-buffer)
4028 (when (gnus-group-read-only-p)
4029 (error "The current group does not support deleting of parts"))
4030 (when (mm-complicated-handles gnus-article-mime-handles)
4032 The current article has a complicated MIME structure, giving up..."))
4033 (when (gnus-yes-or-no-p "\
4034 Deleting parts may malfunction or destroy the article; continue? ")
4035 (let* ((data (get-text-property (point) 'gnus-data))
4036 (handles gnus-article-mime-handles)
4040 (mail-decode-encoded-word-string (or (mm-handle-description data)
4043 (or (mail-content-type-get (mm-handle-disposition data) 'filename)
4045 (type (mm-handle-media-type data)))
4047 (error "No MIME part under point"))
4048 (with-current-buffer (mm-handle-buffer data)
4049 (let ((bsize (format "%s" (buffer-size))))
4054 "| The following attachment has been deleted:\n"
4056 "| Type: " type "\n"
4057 "| Filename: " filename "\n"
4058 "| Size (encoded): " bsize " Byte\n"
4059 "| Description: " description "\n"
4062 (cdr (mm-make-handle
4063 nil `("text/plain") nil nil
4065 (format "Deleted attachment (%s bytes)" bsize))))))
4066 (set-buffer gnus-summary-buffer)
4067 (gnus-article-edit-part handles))))
4069 (defun gnus-mime-save-part ()
4070 "Save the MIME part under point."
4072 (gnus-article-check-buffer)
4073 (let ((data (get-text-property (point) 'gnus-data)))
4075 (mm-save-part data))))
4077 (defun gnus-mime-pipe-part ()
4078 "Pipe the MIME part under point to a process."
4080 (gnus-article-check-buffer)
4081 (let ((data (get-text-property (point) 'gnus-data)))
4083 (mm-pipe-part data))))
4085 (defun gnus-mime-view-part ()
4086 "Interactively choose a viewing method for the MIME part under point."
4088 (gnus-article-check-buffer)
4089 (let ((data (get-text-property (point) 'gnus-data)))
4091 (setq gnus-article-mime-handles
4093 gnus-article-mime-handles (setq data (copy-sequence data))))
4094 (mm-interactively-view-part data))))
4096 (defun gnus-mime-view-part-as-type-internal ()
4097 (gnus-article-check-buffer)
4098 (let* ((name (mail-content-type-get
4099 (mm-handle-type (get-text-property (point) 'gnus-data))
4101 (def-type (and name (mm-default-file-encoding name))))
4102 (and def-type (cons def-type 0))))
4104 (defun gnus-mime-view-part-as-type (&optional mime-type)
4105 "Choose a MIME media type, and view the part as such."
4108 (setq mime-type (completing-read
4109 "View as MIME type: "
4110 (mapcar #'list (mailcap-mime-types))
4112 (gnus-mime-view-part-as-type-internal))))
4113 (gnus-article-check-buffer)
4114 (let ((handle (get-text-property (point) 'gnus-data)))
4117 (mm-make-handle (mm-handle-buffer handle)
4118 (cons mime-type (cdr (mm-handle-type handle)))
4119 (mm-handle-encoding handle)
4120 (mm-handle-undisplayer handle)
4121 (mm-handle-disposition handle)
4122 (mm-handle-description handle)
4124 (mm-handle-id handle)))
4125 (setq gnus-article-mime-handles
4126 (mm-merge-handles gnus-article-mime-handles handle))
4127 (gnus-mm-display-part handle))))
4130 (require 'jka-compr))
4132 ;; jka-compr.el uses a "sh -c" to direct stderr to err-file, but these days
4133 ;; emacs can do that itself.
4135 (defun gnus-mime-jka-compr-maybe-uncompress ()
4136 "Uncompress the current buffer if `auto-compression-mode' is enabled.
4137 The uncompress method used is derived from `buffer-file-name'."
4138 (when (and (fboundp 'jka-compr-installed-p)
4139 (jka-compr-installed-p))
4140 (let ((info (jka-compr-get-compression-info buffer-file-name)))
4142 (let ((basename (file-name-nondirectory buffer-file-name))
4143 (args (jka-compr-info-uncompress-args info))
4144 (prog (jka-compr-info-uncompress-program info))
4145 (message (jka-compr-info-uncompress-message info))
4146 (err-file (jka-compr-make-temp-name)))
4148 (message "%s %s..." message basename))
4150 (unless (memq (apply 'call-process-region
4151 (point-min) (point-max)
4153 t (list t err-file) nil
4155 jka-compr-acceptable-retval-list)
4156 (jka-compr-error prog args basename message err-file))
4157 (jka-compr-delete-temp-file err-file)))))))
4159 (defun gnus-mime-copy-part (&optional handle)
4160 "Put the MIME part under point into a new buffer.
4161 If `auto-compression-mode' is enabled, compressed files like .gz and .bz2
4164 (gnus-article-check-buffer)
4165 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4166 (contents (and handle (mm-get-part handle)))
4168 (file-name-nondirectory
4170 (mail-content-type-get (mm-handle-type handle) 'name)
4171 (mail-content-type-get (mm-handle-disposition handle)
4174 (buffer (and base (generate-new-buffer base))))
4176 (switch-to-buffer buffer)
4178 ;; We do it this way to make `normal-mode' set the appropriate mode.
4181 (setq buffer-file-name (expand-file-name base))
4182 (gnus-mime-jka-compr-maybe-uncompress)
4184 (setq buffer-file-name nil))
4185 (goto-char (point-min)))))
4187 (defun gnus-mime-print-part (&optional handle filename)
4188 "Print the MIME part under point."
4189 (interactive (list nil (ps-print-preprint current-prefix-arg)))
4190 (gnus-article-check-buffer)
4191 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4192 (contents (and handle (mm-get-part handle)))
4193 (file (mm-make-temp-file (expand-file-name "mm." mm-tmp-directory)))
4194 (printer (mailcap-mime-info (mm-handle-media-type handle) "print")))
4199 (mm-save-part-to-file handle file)
4200 (call-process shell-file-name nil
4201 (generate-new-buffer " *mm*")
4203 shell-command-switch
4205 printer file (mm-handle-type handle))))
4209 (gnus-print-buffer))
4210 (ps-despool filename)))))
4212 (defun gnus-mime-inline-part (&optional handle arg)
4213 "Insert the MIME part under point into the current buffer."
4214 (interactive (list nil current-prefix-arg))
4215 (gnus-article-check-buffer)
4216 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4221 (if (and (not arg) (mm-handle-undisplayer handle))
4222 (mm-remove-part handle)
4223 (setq contents (mm-get-part handle))
4226 (setq charset (or (mail-content-type-get
4227 (mm-handle-type handle) 'charset)
4228 gnus-newsgroup-charset)))
4230 (if (mm-handle-undisplayer handle)
4231 (mm-remove-part handle))
4234 gnus-summary-show-article-charset-alist))
4235 (mm-read-coding-system "Charset: ")))))
4237 (mm-insert-inline handle
4239 (setq charset (mm-charset-to-coding-system
4241 (not (eq charset 'ascii)))
4242 (mm-decode-coding-string contents charset)
4246 (defun gnus-mime-view-part-as-charset (&optional handle arg)
4247 "Insert the MIME part under point into the current buffer using the
4249 (interactive (list nil current-prefix-arg))
4250 (gnus-article-check-buffer)
4251 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4256 (if (mm-handle-undisplayer handle)
4257 (mm-remove-part handle))
4258 (let ((gnus-newsgroup-charset
4260 gnus-summary-show-article-charset-alist))
4261 (mm-read-coding-system "Charset: ")))
4262 (gnus-newsgroup-ignored-charsets 'gnus-all))
4263 (gnus-article-press-button)))))
4265 (defun gnus-mime-view-part-externally (&optional handle)
4266 "View the MIME part under point with an external viewer."
4268 (gnus-article-check-buffer)
4269 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4270 (mm-user-display-methods nil)
4271 (mm-inlined-types nil)
4272 (mail-parse-charset gnus-newsgroup-charset)
4273 (mail-parse-ignored-charsets
4274 (with-current-buffer gnus-summary-buffer
4275 gnus-newsgroup-ignored-charsets)))
4277 (if (mm-handle-undisplayer handle)
4278 (mm-remove-part handle)
4279 (mm-display-part handle)))))
4281 (defun gnus-mime-view-part-internally (&optional handle)
4282 "View the MIME part under point with an internal viewer.
4283 If no internal viewer is available, use an external viewer."
4285 (gnus-article-check-buffer)
4286 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4287 (mm-inlined-types '(".*"))
4288 (mm-inline-large-images t)
4289 (mail-parse-charset gnus-newsgroup-charset)
4290 (mail-parse-ignored-charsets
4291 (with-current-buffer gnus-summary-buffer
4292 gnus-newsgroup-ignored-charsets))
4295 (if (mm-handle-undisplayer handle)
4296 (mm-remove-part handle)
4297 (mm-display-part handle)))))
4299 (defun gnus-mime-action-on-part (&optional action)
4300 "Do something with the MIME attachment at \(point\)."
4302 (list (completing-read "Action: " gnus-mime-action-alist nil t)))
4303 (gnus-article-check-buffer)
4304 (let ((action-pair (assoc action gnus-mime-action-alist)))
4306 (funcall (cdr action-pair)))))
4308 (defun gnus-article-part-wrapper (n function)
4309 (with-current-buffer gnus-article-buffer
4310 (when (> n (length gnus-article-mime-handle-alist))
4311 (error "No such part"))
4312 (gnus-article-goto-part n)
4313 (let ((handle (cdr (assq n gnus-article-mime-handle-alist))))
4314 (funcall function handle))))
4316 (defun gnus-article-pipe-part (n)
4317 "Pipe MIME part N, which is the numerical prefix."
4319 (gnus-article-part-wrapper n 'mm-pipe-part))
4321 (defun gnus-article-save-part (n)
4322 "Save MIME part N, which is the numerical prefix."
4324 (gnus-article-part-wrapper n 'mm-save-part))
4326 (defun gnus-article-interactively-view-part (n)
4327 "View MIME part N interactively, which is the numerical prefix."
4329 (gnus-article-part-wrapper n 'mm-interactively-view-part))
4331 (defun gnus-article-copy-part (n)
4332 "Copy MIME part N, which is the numerical prefix."
4334 (gnus-article-part-wrapper n 'gnus-mime-copy-part))
4336 (defun gnus-article-view-part-as-charset (n)
4337 "View MIME part N using a specified charset.
4338 N is the numerical prefix."
4340 (gnus-article-part-wrapper n 'gnus-mime-view-part-as-charset))
4342 (defun gnus-article-view-part-externally (n)
4343 "View MIME part N externally, which is the numerical prefix."
4345 (gnus-article-part-wrapper n 'gnus-mime-view-part-externally))
4347 (defun gnus-article-inline-part (n)
4348 "Inline MIME part N, which is the numerical prefix."
4350 (gnus-article-part-wrapper n 'gnus-mime-inline-part))
4352 (defun gnus-article-mime-match-handle-first (condition)
4354 (let ((alist gnus-article-mime-handle-alist) ihandle n)
4355 (while (setq ihandle (pop alist))
4357 ((functionp condition)
4358 (funcall condition (cdr ihandle)))
4359 ((eq condition 'undisplayed)
4360 (not (or (mm-handle-undisplayer (cdr ihandle))
4361 (equal (mm-handle-media-type (cdr ihandle))
4362 "multipart/alternative"))))
4363 ((eq condition 'undisplayed-alternative)
4364 (not (mm-handle-undisplayer (cdr ihandle))))
4366 (gnus-article-goto-part (car ihandle))
4367 (or (not n) (< (car ihandle) n)))
4368 (setq n (car ihandle))))
4372 (defun gnus-article-view-part (&optional n)
4373 "View MIME part N, which is the numerical prefix."
4375 (with-current-buffer gnus-article-buffer
4376 (or (numberp n) (setq n (gnus-article-mime-match-handle-first
4377 gnus-article-mime-match-handle-function)))
4378 (when (> n (length gnus-article-mime-handle-alist))
4379 (error "No such part"))
4380 (let ((handle (cdr (assq n gnus-article-mime-handle-alist))))
4381 (when (gnus-article-goto-part n)
4382 (if (equal (car handle) "multipart/alternative")
4383 (gnus-article-press-button)
4384 (when (eq (gnus-mm-display-part handle) 'internal)
4385 (gnus-set-window-start)))))))
4387 (defsubst gnus-article-mime-total-parts ()
4388 (if (bufferp (car gnus-article-mime-handles))
4390 (1- (length gnus-article-mime-handles))))
4392 (defun gnus-mm-display-part (handle)
4393 "Display HANDLE and fix MIME button."
4394 (let ((id (get-text-property (point) 'gnus-part))
4399 (let ((window (selected-window))
4400 (mail-parse-charset gnus-newsgroup-charset)
4401 (mail-parse-ignored-charsets
4402 (if (gnus-buffer-live-p gnus-summary-buffer)
4403 (with-current-buffer gnus-summary-buffer
4404 gnus-newsgroup-ignored-charsets)
4408 (let ((win (gnus-get-buffer-window (current-buffer) t))
4411 (select-window win))
4414 (if (mm-handle-displayed-p handle)
4415 ;; This will remove the part.
4416 (mm-display-part handle)
4418 (narrow-to-region (point)
4419 (if (eobp) (point) (1+ (point))))
4420 (mm-display-part handle)
4421 ;; We narrow to the part itself and
4422 ;; then call the treatment functions.
4423 (goto-char (point-min))
4425 (narrow-to-region (point) (point-max))
4428 (gnus-article-mime-total-parts)
4429 (mm-handle-media-type handle)))))
4430 (if (window-live-p window)
4431 (select-window window)))))
4434 (gnus-insert-mime-button
4435 handle id (list (mm-handle-displayed-p handle)))
4436 (goto-char point))))
4438 (defun gnus-article-goto-part (n)
4439 "Go to MIME part N."
4440 (gnus-goto-char (text-property-any (point-min) (point-max) 'gnus-part n)))
4442 (defun gnus-insert-mime-button (handle gnus-tmp-id &optional displayed)
4443 (let ((gnus-tmp-name
4444 (or (mail-content-type-get (mm-handle-type handle) 'name)
4445 (mail-content-type-get (mm-handle-disposition handle) 'filename)
4446 (mail-content-type-get (mm-handle-type handle) 'url)
4448 (gnus-tmp-type (mm-handle-media-type handle))
4449 (gnus-tmp-description
4450 (mail-decode-encoded-word-string (or (mm-handle-description handle)
4453 (if (if displayed (car displayed)
4454 (mm-handle-displayed-p handle))
4456 (gnus-tmp-length (with-current-buffer (mm-handle-buffer handle)
4458 gnus-tmp-type-long b e)
4459 (when (string-match ".*/" gnus-tmp-name)
4460 (setq gnus-tmp-name (replace-match "" t t gnus-tmp-name)))
4461 (setq gnus-tmp-type-long (concat gnus-tmp-type
4462 (and (not (equal gnus-tmp-name ""))
4463 (concat "; " gnus-tmp-name))))
4464 (unless (equal gnus-tmp-description "")
4465 (setq gnus-tmp-type-long (concat " --- " gnus-tmp-type-long)))
4470 gnus-mime-button-line-format gnus-mime-button-line-format-alist
4471 `(keymap ,gnus-mime-button-map
4472 gnus-callback gnus-mm-display-part
4473 gnus-part ,gnus-tmp-id
4474 article-type annotation
4477 ;; Exclude a newline.
4480 (widget-convert-button
4483 :action 'gnus-widget-press-button
4484 :button-keymap gnus-mime-button-map
4486 (lambda (widget/window &optional overlay pos)
4487 ;; Needed to properly clear the message due to a bug in
4488 ;; wid-edit (XEmacs only).
4489 (if (boundp 'help-echo-owns-message)
4490 (setq help-echo-owns-message t))
4492 "%S: %s the MIME part; %S: more options"
4493 (aref gnus-mouse-2 0)
4494 ;; XEmacs will get a single widget arg; Emacs 21 will get
4495 ;; window, overlay, position.
4496 (if (mm-handle-displayed-p
4498 (with-current-buffer (gnus-overlay-buffer overlay)
4499 (widget-get (widget-at (gnus-overlay-start overlay))
4501 (widget-get widget/window :mime-handle)))
4503 (aref gnus-down-mouse-3 0))))))
4505 (defun gnus-widget-press-button (elems el)
4506 (goto-char (widget-get elems :from))
4507 (gnus-article-press-button))
4509 (defvar gnus-displaying-mime nil)
4511 (defun gnus-display-mime (&optional ihandles)
4512 "Display the MIME parts."
4514 (save-selected-window
4515 (let ((window (get-buffer-window gnus-article-buffer))
4518 (select-window window)
4519 ;; We have to do this since selecting the window
4520 ;; may change the point. So we set the window point.
4521 (set-window-point window point)))
4522 (let* ((handles (or ihandles
4523 (mm-dissect-buffer nil gnus-article-loose-mime)
4524 (and gnus-article-emulate-mime
4526 buffer-read-only handle name type b e display)
4527 (when (and (not ihandles)
4528 (not gnus-displaying-mime))
4529 ;; Top-level call; we clean up.
4530 (when gnus-article-mime-handles
4531 (mm-destroy-parts gnus-article-mime-handles)
4532 (setq gnus-article-mime-handle-alist nil));; A trick.
4533 (setq gnus-article-mime-handles handles)
4534 ;; We allow users to glean info from the handles.
4535 (when gnus-article-mime-part-function
4536 (gnus-mime-part-function handles)))
4538 (or (not (stringp (car handles)))
4541 (when (and (not ihandles)
4542 (not gnus-displaying-mime))
4543 ;; Clean up for mime parts.
4545 (delete-region (point) (point-max)))
4546 (let ((gnus-displaying-mime t))
4547 (gnus-mime-display-part handles)))
4550 (narrow-to-region (point) (point-max))
4551 (gnus-treat-article nil 1 1)
4554 ;; Highlight the headers.
4558 (narrow-to-region (point-min) (point))
4559 (gnus-treat-article 'head))))))))
4561 (defcustom gnus-mime-display-multipart-as-mixed nil
4562 "Display \"multipart\" parts as \"multipart/mixed\".
4564 If t, it overrides nil values of
4565 `gnus-mime-display-multipart-alternative-as-mixed' and
4566 `gnus-mime-display-multipart-related-as-mixed'."
4567 :group 'gnus-article-mime
4570 (defcustom gnus-mime-display-multipart-alternative-as-mixed nil
4571 "Display \"multipart/alternative\" parts as \"multipart/mixed\"."
4572 :group 'gnus-article-mime
4575 (defcustom gnus-mime-display-multipart-related-as-mixed nil
4576 "Display \"multipart/related\" parts as \"multipart/mixed\".
4578 If displaying \"text/html\" is discouraged \(see
4579 `mm-discouraged-alternatives'\) images or other material inside a
4580 \"multipart/related\" part might be overlooked when this variable is nil."
4581 :group 'gnus-article-mime
4584 (defun gnus-mime-display-part (handle)
4587 ((not (stringp (car handle)))
4588 (gnus-mime-display-single handle))
4589 ;; User-defined multipart
4590 ((cdr (assoc (car handle) gnus-mime-multipart-functions))
4591 (funcall (cdr (assoc (car handle) gnus-mime-multipart-functions))
4593 ;; multipart/alternative
4594 ((and (equal (car handle) "multipart/alternative")
4595 (not (or gnus-mime-display-multipart-as-mixed
4596 gnus-mime-display-multipart-alternative-as-mixed)))
4597 (let ((id (1+ (length gnus-article-mime-handle-alist))))
4598 (push (cons id handle) gnus-article-mime-handle-alist)
4599 (gnus-mime-display-alternative (cdr handle) nil nil id)))
4600 ;; multipart/related
4601 ((and (equal (car handle) "multipart/related")
4602 (not (or gnus-mime-display-multipart-as-mixed
4603 gnus-mime-display-multipart-related-as-mixed)))
4604 ;;;!!!We should find the start part, but we just default
4605 ;;;!!!to the first part.
4606 ;;(gnus-mime-display-part (cadr handle))
4607 ;;;!!! Most multipart/related is an HTML message plus images.
4608 ;;;!!! Unfortunately we are unable to let W3 display those
4609 ;;;!!! included images, so we just display it as a mixed multipart.
4610 ;;(gnus-mime-display-mixed (cdr handle))
4611 ;;;!!! No, w3 can display everything just fine.
4612 (gnus-mime-display-part (cadr handle)))
4613 ((equal (car handle) "multipart/signed")
4614 (gnus-add-wash-type 'signed)
4615 (gnus-mime-display-security handle))
4616 ((equal (car handle) "multipart/encrypted")
4617 (gnus-add-wash-type 'encrypted)
4618 (gnus-mime-display-security handle))
4619 ;; Other multiparts are handled like multipart/mixed.
4621 (gnus-mime-display-mixed (cdr handle)))))
4623 (defun gnus-mime-part-function (handles)
4624 (if (stringp (car handles))
4625 (mapcar 'gnus-mime-part-function (cdr handles))
4626 (funcall gnus-article-mime-part-function handles)))
4628 (defun gnus-mime-display-mixed (handles)
4629 (mapcar 'gnus-mime-display-part handles))
4631 (defun gnus-mime-display-single (handle)
4632 (let ((type (mm-handle-media-type handle))
4633 (ignored gnus-ignored-mime-types)
4640 (when (string-match (pop ignored) type)
4641 (throw 'ignored nil)))
4642 (if (and (setq not-attachment
4643 (and (not (mm-inline-override-p handle))
4644 (or (not (mm-handle-disposition handle))
4645 (equal (car (mm-handle-disposition handle))
4647 (mm-attachment-override-p handle))))
4648 (mm-automatic-display-p handle)
4650 (mm-inlinable-p handle)
4651 (mm-inlined-p handle))
4652 (mm-automatic-external-display-p type)))
4654 (when (equal (mm-handle-media-supertype handle) "text")
4656 (let ((id (1+ (length gnus-article-mime-handle-alist)))
4658 (push (cons id handle) gnus-article-mime-handle-alist)
4659 (when (or (not display)
4660 (not (gnus-unbuttonized-mime-type-p type)))
4661 (gnus-insert-mime-button
4662 handle id (list (or display (and not-attachment text))))
4663 (gnus-article-insert-newline)
4664 ;; Remember modify the number of forward lines.
4672 (let ((mail-parse-charset gnus-newsgroup-charset)
4673 (mail-parse-ignored-charsets
4674 (save-excursion (condition-case ()
4675 (set-buffer gnus-summary-buffer)
4677 gnus-newsgroup-ignored-charsets)))
4678 (mm-display-part handle t))
4679 (goto-char (point-max)))
4680 ((and text not-attachment)
4684 (gnus-article-insert-newline)
4685 (mm-insert-inline handle (mm-get-part handle))
4686 (goto-char (point-max))))
4690 (narrow-to-region beg (point))
4693 (gnus-article-mime-total-parts)
4694 (mm-handle-media-type handle)))))))))
4696 (defun gnus-unbuttonized-mime-type-p (type)
4697 "Say whether TYPE is to be unbuttonized."
4698 (unless gnus-inhibit-mime-unbuttonizing
4700 (let ((types gnus-unbuttonized-mime-types))
4702 (when (string-match (pop types) type)
4703 (throw 'found t)))))
4705 (let ((types gnus-buttonized-mime-types))
4707 (when (string-match (pop types) type)
4708 (throw 'found t)))))))))
4710 (defun gnus-article-insert-newline ()
4711 "Insert a newline, but mark it as undeletable."
4712 (gnus-put-text-property
4713 (point) (progn (insert "\n") (point)) 'gnus-undeletable t))
4715 (defun gnus-mime-display-alternative (handles &optional preferred ibegend id)
4716 (let* ((preferred (or preferred (mm-preferred-alternative handles)))
4719 handle buffer-read-only from props begend not-pref)
4720 (save-window-excursion
4723 (narrow-to-region (car ibegend)
4726 (goto-char (car ibegend))
4729 (delete-region (point-min) (point-max))
4730 (mm-remove-parts handles))
4731 (setq begend (list (point-marker)))
4733 (unless (setq not-pref (cadr (member preferred ihandles)))
4734 (setq not-pref (car ihandles)))
4737 (not (gnus-unbuttonized-mime-type-p
4738 "multipart/alternative")))
4739 (gnus-add-text-properties
4742 (insert (format "%d. " id))
4746 (unless ,(not ibegend)
4747 (setq gnus-article-mime-handle-alist
4748 ',gnus-article-mime-handle-alist))
4749 (gnus-mime-display-alternative
4750 ',ihandles ',not-pref ',begend ,id))
4751 keymap ,gnus-mime-button-map
4752 ,gnus-mouse-face-prop ,gnus-article-mouse-face
4753 face ,gnus-article-button-face
4756 (widget-convert-button 'link from (point)
4757 :action 'gnus-widget-press-button
4758 :button-keymap gnus-widget-button-keymap)
4760 (while (setq handle (pop handles))
4761 (gnus-add-text-properties
4764 (insert (format "(%c) %-18s"
4765 (if (equal handle preferred) ?* ? )
4766 (mm-handle-media-type handle)))
4770 (unless ,(not ibegend)
4771 (setq gnus-article-mime-handle-alist
4772 ',gnus-article-mime-handle-alist))
4773 (gnus-mime-display-alternative
4774 ',ihandles ',handle ',begend ,id))
4775 keymap ,gnus-mime-button-map
4776 ,gnus-mouse-face-prop ,gnus-article-mouse-face
4777 face ,gnus-article-button-face
4780 (widget-convert-button 'link from (point)
4781 :action 'gnus-widget-press-button
4782 :button-keymap gnus-widget-button-keymap)
4786 (if (stringp (car preferred))
4787 (gnus-display-mime preferred)
4788 (let ((mail-parse-charset gnus-newsgroup-charset)
4789 (mail-parse-ignored-charsets
4790 (with-current-buffer gnus-summary-buffer
4791 gnus-newsgroup-ignored-charsets)))
4792 (mm-display-part preferred)
4796 (narrow-to-region (car begend) (point-max))
4798 nil (length gnus-article-mime-handle-alist)
4799 (gnus-article-mime-total-parts)
4800 (mm-handle-media-type handle))))))
4801 (goto-char (point-max))
4802 (setcdr begend (point-marker)))))
4804 (goto-char point))))
4806 (defconst gnus-article-wash-status-strings
4807 (let ((alist '((cite "c" "Possible hidden citation text"
4808 " " "All citation text visible")
4809 (headers "h" "Hidden headers"
4810 " " "All headers visible.")
4811 (pgp "p" "Encrypted or signed message status hidden"
4812 " " "No hidden encryption nor digital signature status")
4813 (signature "s" "Signature has been hidden"
4814 " " "Signature is visible")
4815 (overstrike "o" "Overstrike (^H) characters applied"
4816 " " "No overstrike characters applied")
4817 (emphasis "e" "/*_Emphasis_*/ characters applied"
4818 " " "No /*_emphasis_*/ characters applied")))
4820 (dolist (entry alist result)
4821 (let ((key (nth 0 entry))
4822 (on (copy-sequence (nth 1 entry)))
4823 (on-help (nth 2 entry))
4824 (off (copy-sequence (nth 3 entry)))
4825 (off-help (nth 4 entry)))
4826 (put-text-property 0 1 'help-echo on-help on)
4827 (put-text-property 0 1 'help-echo off-help off)
4828 (push (list key on off) result))))
4829 "Alist of strings describing wash status in the mode line.
4830 Each entry has the form (KEY ON OF), where the KEY is a symbol
4831 representing the particular washing function, ON is the string to use
4832 in the article mode line when the washing function is active, and OFF
4833 is the string to use when it is inactive.")
4835 (defun gnus-article-wash-status-entry (key value)
4836 (let ((entry (assoc key gnus-article-wash-status-strings)))
4837 (if value (nth 1 entry) (nth 2 entry))))
4839 (defun gnus-article-wash-status ()
4840 "Return a string which display status of article washing."
4841 (with-current-buffer gnus-article-buffer
4842 (let ((cite (memq 'cite gnus-article-wash-types))
4843 (headers (memq 'headers gnus-article-wash-types))
4844 (boring (memq 'boring-headers gnus-article-wash-types))
4845 (pgp (memq 'pgp gnus-article-wash-types))
4846 (pem (memq 'pem gnus-article-wash-types))
4847 (signed (memq 'signed gnus-article-wash-types))
4848 (encrypted (memq 'encrypted gnus-article-wash-types))
4849 (signature (memq 'signature gnus-article-wash-types))
4850 (overstrike (memq 'overstrike gnus-article-wash-types))
4851 (emphasis (memq 'emphasis gnus-article-wash-types)))
4853 (gnus-article-wash-status-entry 'cite cite)
4854 (gnus-article-wash-status-entry 'headers (or headers boring))
4855 (gnus-article-wash-status-entry 'pgp (or pgp pem signed encrypted))
4856 (gnus-article-wash-status-entry 'signature signature)
4857 (gnus-article-wash-status-entry 'overstrike overstrike)
4858 (gnus-article-wash-status-entry 'emphasis emphasis)))))
4860 (defun gnus-add-wash-type (type)
4861 "Add a washing of TYPE to the current status."
4862 (add-to-list 'gnus-article-wash-types type))
4864 (defun gnus-delete-wash-type (type)
4865 "Add a washing of TYPE to the current status."
4866 (setq gnus-article-wash-types (delq type gnus-article-wash-types)))
4868 (defun gnus-add-image (category image)
4869 "Add IMAGE of CATEGORY to the list of displayed images."
4870 (let ((entry (assq category gnus-article-image-alist)))
4872 (setq entry (list category))
4873 (push entry gnus-article-image-alist))
4874 (nconc entry (list image))))
4876 (defun gnus-delete-images (category)
4877 "Delete all images in CATEGORY."
4878 (let ((entry (assq category gnus-article-image-alist)))
4879 (dolist (image (cdr entry))
4880 (gnus-remove-image image category))
4881 (setq gnus-article-image-alist (delq entry gnus-article-image-alist))
4882 (gnus-delete-wash-type category)))
4884 (defalias 'gnus-article-hide-headers-if-wanted 'gnus-article-maybe-hide-headers)
4886 (defun gnus-article-maybe-hide-headers ()
4887 "Hide unwanted headers if `gnus-have-all-headers' is nil.
4888 Provided for backwards compatibility."
4889 (when (and (or (not (gnus-buffer-live-p gnus-summary-buffer))
4890 (not (with-current-buffer gnus-summary-buffer
4891 gnus-have-all-headers)))
4892 (not gnus-inhibit-hiding))
4893 (gnus-article-hide-headers)))
4897 (defun gnus-output-to-file (file-name)
4898 "Append the current article to a file named FILE-NAME."
4899 (let ((artbuf (current-buffer)))
4901 (insert-buffer-substring artbuf)
4902 ;; Append newline at end of the buffer as separator, and then
4904 (goto-char (point-max))
4906 (let ((file-name-coding-system nnmail-pathname-coding-system))
4907 (mm-append-to-file (point-min) (point-max) file-name))
4910 (defun gnus-narrow-to-page (&optional arg)
4911 "Narrow the article buffer to a page.
4912 If given a numerical ARG, move forward ARG pages."
4914 (setq arg (if arg (prefix-numeric-value arg) 0))
4916 (set-buffer gnus-article-buffer)
4917 (goto-char (point-min))
4919 ;; Remove any old next/prev buttons.
4920 (when (gnus-visual-p 'page-marker)
4921 (let ((buffer-read-only nil))
4922 (gnus-remove-text-with-property 'gnus-prev)
4923 (gnus-remove-text-with-property 'gnus-next)))
4926 (re-search-backward page-delimiter nil 'move (1+ (abs arg))))
4928 (re-search-forward page-delimiter nil 'move arg)))
4929 (goto-char (match-end 0))
4931 (goto-char (point-min))
4932 (setq gnus-page-broken
4933 (and (re-search-forward page-delimiter nil t) t))))
4934 (when gnus-page-broken
4937 (if (re-search-forward page-delimiter nil 'move)
4940 (when (and (gnus-visual-p 'page-marker)
4941 (not (= (point-min) 1)))
4943 (goto-char (point-min))
4944 (gnus-insert-prev-page-button)))
4945 (when (and (gnus-visual-p 'page-marker)
4946 (< (+ (point-max) 2) (buffer-size)))
4948 (goto-char (point-max))
4949 (gnus-insert-next-page-button))))))
4951 ;; Article mode commands
4953 (defun gnus-article-goto-next-page ()
4954 "Show the next page of the article."
4956 (when (gnus-article-next-page)
4957 (goto-char (point-min))
4958 (gnus-article-read-summary-keys nil (gnus-character-to-event ?n))))
4961 (defun gnus-article-goto-prev-page ()
4962 "Show the previous page of the article."
4965 (gnus-article-read-summary-keys nil (gnus-character-to-event ?p))
4966 (gnus-article-prev-page nil)))
4968 ;; This is cleaner but currently breaks `gnus-pick-mode':
4970 ;; (defun gnus-article-goto-next-page ()
4971 ;; "Show the next page of the article."
4973 ;; (gnus-eval-in-buffer-window gnus-summary-buffer
4974 ;; (gnus-summary-next-page)))
4976 ;; (defun gnus-article-goto-prev-page ()
4977 ;; "Show the next page of the article."
4979 ;; (gnus-eval-in-buffer-window gnus-summary-buffer
4980 ;; (gnus-summary-prev-page)))
4982 (defun gnus-article-next-page (&optional lines)
4983 "Show the next page of the current article.
4984 If end of article, return non-nil. Otherwise return nil.
4985 Argument LINES specifies lines to be scrolled up."
4987 (move-to-window-line -1)
4990 (and (pos-visible-in-window-p) ;Not continuation line.
4991 (>= (1+ (point)) (point-max)))) ;Allow for trailing newline.
4992 ;; Nothing in this page.
4993 (if (or (not gnus-page-broken)
4997 (eobp)))) ;Real end-of-buffer?
4999 (when gnus-article-over-scroll
5000 (gnus-article-next-page-1 lines))
5002 (gnus-narrow-to-page 1) ;Go to next page.
5004 ;; More in this page.
5005 (gnus-article-next-page-1 lines)
5008 (defun gnus-article-next-page-1 (lines)
5009 (let ((scroll-in-place nil))
5013 ;; Long lines may cause an end-of-buffer error.
5014 (goto-char (point-max)))))
5015 (move-to-window-line 0))
5017 (defun gnus-article-prev-page (&optional lines)
5018 "Show previous page of current article.
5019 Argument LINES specifies lines to be scrolled down."
5021 (move-to-window-line 0)
5022 (if (and gnus-page-broken
5024 (not (save-restriction (widen) (bobp)))) ;Real beginning-of-buffer?
5026 (gnus-narrow-to-page -1) ;Go to previous page.
5027 (goto-char (point-max))
5029 (let ((scroll-in-place nil))
5033 (beginning-of-buffer
5034 (goto-char (point-min))))
5035 (move-to-window-line 0)))))
5037 (defun gnus-article-only-boring-p ()
5038 "Decide whether there is only boring text remaining in the article.
5039 Something \"interesting\" is a word of at least two letters that does
5040 not have a face in `gnus-article-boring-faces'."
5041 (when (and gnus-article-skip-boring
5042 (boundp 'gnus-article-boring-faces)
5043 (symbol-value 'gnus-article-boring-faces))
5046 (while (re-search-forward "\\b\\w\\w" nil t)
5048 (when (not (gnus-intersection
5049 (gnus-faces-at (point))
5050 (symbol-value 'gnus-article-boring-faces)))
5051 (throw 'only-boring nil)))
5052 (throw 'only-boring t)))))
5054 (defun gnus-article-refer-article ()
5055 "Read article specified by message-id around point."
5058 (re-search-backward "[ \t]\\|^" (point-at-bol) t)
5059 (re-search-forward "<?news:<?\\|<" (point-at-eol) t)
5060 (if (re-search-forward "[^@ ]+@[^ \t>]+" (point-at-eol) t)
5061 (let ((msg-id (concat "<" (match-string 0) ">")))
5062 (set-buffer gnus-summary-buffer)
5063 (gnus-summary-refer-article msg-id))
5064 (error "No references around point"))))
5066 (defun gnus-article-show-summary ()
5067 "Reconfigure windows to show summary buffer."
5069 (if (not (gnus-buffer-live-p gnus-summary-buffer))
5070 (error "There is no summary buffer for this article buffer")
5071 (gnus-article-set-globals)
5072 (gnus-configure-windows 'article)
5073 (gnus-summary-goto-subject gnus-current-article)
5074 (gnus-summary-position-point)))
5076 (defun gnus-article-describe-briefly ()
5077 "Describe article mode commands briefly."
5079 (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")))
5081 (defun gnus-article-summary-command ()
5082 "Execute the last keystroke in the summary buffer."
5084 (let ((obuf (current-buffer))
5085 (owin (current-window-configuration))
5087 (switch-to-buffer gnus-article-current-summary 'norecord)
5088 (setq func (lookup-key (current-local-map) (this-command-keys)))
5089 (call-interactively func)
5091 (set-window-configuration owin)
5092 (set-window-point (get-buffer-window (current-buffer)) (point))))
5094 (defun gnus-article-summary-command-nosave ()
5095 "Execute the last keystroke in the summary buffer."
5098 (pop-to-buffer gnus-article-current-summary 'norecord)
5099 (setq func (lookup-key (current-local-map) (this-command-keys)))
5100 (call-interactively func)))
5102 (defun gnus-article-check-buffer ()
5103 "Beep if not in an article buffer."
5104 (unless (equal major-mode 'gnus-article-mode)
5105 (error "Command invoked outside of a Gnus article buffer")))
5107 (defun gnus-article-read-summary-keys (&optional arg key not-restore-window)
5108 "Read a summary buffer key sequence and execute it from the article buffer."
5110 (gnus-article-check-buffer)
5112 '("q" "Q" "c" "r" "\C-c\C-f" "m" "a" "f"
5113 "Zc" "ZC" "ZE" "ZQ" "ZZ" "Zn" "ZR" "ZG" "ZN" "ZP"
5114 "=" "^" "\M-^" "|"))
5120 '("n" "Gn" "p" "Gp"))
5123 (set-buffer gnus-article-current-summary)
5124 (let (gnus-pick-mode)
5125 (push (or key last-command-event) unread-command-events)
5126 (setq keys (if (featurep 'xemacs)
5127 (events-to-keys (read-key-sequence nil))
5128 (read-key-sequence nil)))))
5132 (if (or (member keys nosaves)
5133 (member keys nosave-but-article)
5134 (member keys nosave-in-article))
5136 (save-window-excursion
5137 (pop-to-buffer gnus-article-current-summary 'norecord)
5138 ;; We disable the pick minor mode commands.
5139 (let (gnus-pick-mode)
5140 (setq func (lookup-key (current-local-map) keys))))
5144 (unless (member keys nosave-in-article)
5145 (set-buffer gnus-article-current-summary))
5146 (call-interactively func)
5147 (setq new-sum-point (point)))
5148 (when (member keys nosave-but-article)
5149 (pop-to-buffer gnus-article-buffer 'norecord)))
5150 ;; These commands should restore window configuration.
5151 (let ((obuf (current-buffer))
5152 (owin (current-window-configuration))
5154 win func in-buffer selected new-sum-start new-sum-hscroll)
5155 (cond (not-restore-window
5156 (pop-to-buffer gnus-article-current-summary 'norecord))
5157 ((setq win (get-buffer-window gnus-article-current-summary))
5158 (select-window win))
5160 (switch-to-buffer gnus-article-current-summary 'norecord)))
5161 (setq in-buffer (current-buffer))
5162 ;; We disable the pick minor mode commands.
5163 (if (and (setq func (let (gnus-pick-mode)
5164 (lookup-key (current-local-map) keys)))
5167 (call-interactively func)
5168 (when (eq win (selected-window))
5169 (setq new-sum-point (point)
5170 new-sum-start (window-start win)
5171 new-sum-hscroll (window-hscroll win))
5172 (when (eq in-buffer (current-buffer))
5173 (setq selected (gnus-summary-select-article))
5175 (unless not-restore-window
5176 (set-window-configuration owin))
5177 (when (eq selected 'old)
5179 (set-window-start (get-buffer-window (current-buffer))
5181 (set-window-point (get-buffer-window (current-buffer))
5183 (when (and (not not-restore-window)
5185 (set-window-point win new-sum-point)
5186 (set-window-start win new-sum-start)
5187 (set-window-hscroll win new-sum-hscroll)))))
5188 (set-window-configuration owin)
5191 (defun gnus-article-describe-key (key)
5192 "Display documentation of the function invoked by KEY. KEY is a string."
5193 (interactive "kDescribe key: ")
5194 (gnus-article-check-buffer)
5195 (if (eq (key-binding key) 'gnus-article-read-summary-keys)
5197 (set-buffer gnus-article-current-summary)
5198 (let (gnus-pick-mode)
5199 (if (featurep 'xemacs)
5201 (push (elt key 0) unread-command-events)
5202 (setq key (events-to-keys
5203 (read-key-sequence "Describe key: "))))
5204 (setq unread-command-events
5206 (lambda (x) (if (>= x 128) (list 'meta (- x 128)) x))
5207 (string-to-list key)))
5208 (setq key (read-key-sequence "Describe key: "))))
5210 (describe-key key)))
5212 (defun gnus-article-describe-key-briefly (key &optional insert)
5213 "Display documentation of the function invoked by KEY. KEY is a string."
5214 (interactive "kDescribe key: \nP")
5215 (gnus-article-check-buffer)
5216 (if (eq (key-binding key) 'gnus-article-read-summary-keys)
5218 (set-buffer gnus-article-current-summary)
5219 (let (gnus-pick-mode)
5220 (if (featurep 'xemacs)
5222 (push (elt key 0) unread-command-events)
5223 (setq key (events-to-keys
5224 (read-key-sequence "Describe key: "))))
5225 (setq unread-command-events
5227 (lambda (x) (if (>= x 128) (list 'meta (- x 128)) x))
5228 (string-to-list key)))
5229 (setq key (read-key-sequence "Describe key: "))))
5230 (describe-key-briefly key insert))
5231 (describe-key-briefly key insert)))
5233 (defun gnus-article-reply-with-original (&optional wide)
5234 "Start composing a reply mail to the current message.
5235 The text in the region will be yanked. If the region isn't active,
5236 the entire article will be yanked."
5238 (let ((article (cdr gnus-article-current))
5240 (if (not (gnus-region-active-p))
5241 (with-current-buffer gnus-summary-buffer
5242 (gnus-summary-reply (list (list article)) wide))
5243 (setq contents (buffer-substring (point) (mark t)))
5244 ;; Deactivate active regions.
5245 (when (and (boundp 'transient-mark-mode)
5246 transient-mark-mode)
5247 (setq mark-active nil))
5248 (with-current-buffer gnus-summary-buffer
5250 (list (list article contents)) wide)))))
5252 (defun gnus-article-followup-with-original ()
5253 "Compose a followup to the current article.
5254 The text in the region will be yanked. If the region isn't active,
5255 the entire article will be yanked."
5257 (let ((article (cdr gnus-article-current))
5259 (if (not (gnus-region-active-p))
5260 (with-current-buffer gnus-summary-buffer
5261 (gnus-summary-followup (list (list article))))
5262 (setq contents (buffer-substring (point) (mark t)))
5263 ;; Deactivate active regions.
5264 (when (and (boundp 'transient-mark-mode)
5265 transient-mark-mode)
5266 (setq mark-active nil))
5267 (with-current-buffer gnus-summary-buffer
5268 (gnus-summary-followup
5269 (list (list article contents)))))))
5271 (defun gnus-article-hide (&optional arg force)
5272 "Hide all the gruft in the current article.
5273 This means that signatures, cited text and (some) headers will be
5275 If given a prefix, show the hidden text instead."
5276 (interactive (append (gnus-article-hidden-arg) (list 'force)))
5277 (gnus-article-hide-headers arg)
5278 (gnus-article-hide-list-identifiers arg)
5279 (gnus-article-hide-citation-maybe arg force)
5280 (gnus-article-hide-signature arg))
5282 (defun gnus-article-maybe-highlight ()
5283 "Do some article highlighting if article highlighting is requested."
5284 (when (gnus-visual-p 'article-highlight 'highlight)
5285 (gnus-article-highlight-some)))
5287 (defun gnus-check-group-server ()
5288 ;; Make sure the connection to the server is alive.
5289 (unless (gnus-server-opened
5290 (gnus-find-method-for-group gnus-newsgroup-name))
5291 (gnus-check-server (gnus-find-method-for-group gnus-newsgroup-name))
5292 (gnus-request-group gnus-newsgroup-name t)))
5295 (autoload 'nneething-get-file-name "nneething"))
5297 (defun gnus-request-article-this-buffer (article group)
5298 "Get an article and insert it into this buffer."
5299 (let (do-update-line sparse-header)
5303 (gnus-kill-all-overlays)
5304 (setq group (or group gnus-newsgroup-name))
5306 ;; Using `gnus-request-article' directly will insert the article into
5307 ;; `nntp-server-buffer' - so we'll save some time by not having to
5308 ;; copy it from the server buffer into the article buffer.
5310 ;; We only request an article by message-id when we do not have the
5311 ;; headers for it, so we'll have to get those.
5312 (when (stringp article)
5313 (gnus-read-header article))
5315 ;; If the article number is negative, that means that this article
5316 ;; doesn't belong in this newsgroup (possibly), so we find its
5317 ;; message-id and request it by id instead of number.
5318 (when (and (numberp article)
5320 (get-buffer gnus-summary-buffer)
5321 (gnus-buffer-exists-p gnus-summary-buffer))
5323 (set-buffer gnus-summary-buffer)
5324 (let ((header (gnus-summary-article-header article)))
5327 ((memq article gnus-newsgroup-sparse)
5328 ;; This is a sparse gap article.
5329 (setq do-update-line article)
5330 (setq article (mail-header-id header))
5331 (setq sparse-header (gnus-read-header article))
5332 (setq gnus-newsgroup-sparse
5333 (delq article gnus-newsgroup-sparse)))
5335 ;; It's a real article.
5336 (setq article (mail-header-id header)))
5338 ;; It is an extracted pseudo-article.
5339 (setq article 'pseudo)
5340 (gnus-request-pseudo-article header))))
5342 (let ((method (gnus-find-method-for-group
5343 gnus-newsgroup-name)))
5344 (when (and (eq (car method) 'nneething)
5346 (let ((dir (nneething-get-file-name
5347 (mail-header-id header))))
5348 (when (and (stringp dir)
5349 (file-directory-p dir))
5350 (setq article 'nneething)
5351 (gnus-group-enter-directory dir))))))))
5354 ;; Refuse to select canceled articles.
5355 ((and (numberp article)
5357 (get-buffer gnus-summary-buffer)
5358 (gnus-buffer-exists-p gnus-summary-buffer)
5359 (eq (cdr (with-current-buffer gnus-summary-buffer
5360 (assq article gnus-newsgroup-reads)))
5361 gnus-canceled-mark))
5363 ;; We first check `gnus-original-article-buffer'.
5364 ((and (get-buffer gnus-original-article-buffer)
5366 (with-current-buffer gnus-original-article-buffer
5367 (and (equal (car gnus-original-article) group)
5368 (eq (cdr gnus-original-article) article))))
5369 (insert-buffer-substring gnus-original-article-buffer)
5371 ;; Check the backlog.
5372 ((and gnus-keep-backlog
5373 (gnus-backlog-request-article group article (current-buffer)))
5375 ;; Check asynchronous pre-fetch.
5376 ((gnus-async-request-fetched-article group article (current-buffer))
5377 (gnus-async-prefetch-next group article gnus-summary-buffer)
5378 (when (and (numberp article) gnus-keep-backlog)
5379 (gnus-backlog-enter-article group article (current-buffer)))
5382 ((and gnus-use-cache
5384 (gnus-cache-request-article article group))
5386 ;; Check the agent cache.
5387 ((gnus-agent-request-article article group)
5389 ;; Get the article and put into the article buffer.
5390 ((or (stringp article)
5392 (let ((gnus-override-method gnus-override-method)
5393 (methods (and (stringp article)
5394 gnus-refer-article-method))
5395 (backend (car (gnus-find-method-for-group
5396 gnus-newsgroup-name)))
5398 (buffer-read-only nil))
5399 (if (or (not (listp methods))
5400 (and (symbolp (car methods))
5401 (assq (car methods) nnoo-definition-alist)))
5402 (setq methods (list methods)))
5403 (when (and (null gnus-override-method)
5405 (setq gnus-override-method (pop methods)))
5407 (when (eq gnus-override-method 'current)
5408 (setq gnus-override-method
5409 (with-current-buffer gnus-summary-buffer
5410 gnus-current-select-method)))
5412 (gnus-kill-all-overlays)
5413 (let ((gnus-newsgroup-name group))
5414 (gnus-check-group-server))
5416 ((gnus-request-article article group (current-buffer))
5417 (when (numberp article)
5418 (gnus-async-prefetch-next group article
5419 gnus-summary-buffer)
5420 (when gnus-keep-backlog
5421 (gnus-backlog-enter-article
5422 group article (current-buffer))))
5423 (setq result 'article))
5425 (setq gnus-override-method (pop methods)))
5426 ((not (string-match "^400 "
5427 (nnheader-get-report backend)))
5428 ;; If we get 400 server disconnect, reconnect and
5429 ;; retry; otherwise, assume the article has expired.
5430 (setq result 'done))))
5431 (and (eq result 'article) 'article)))
5435 ;; Associate this article with the current summary buffer.
5436 (setq gnus-article-current-summary gnus-summary-buffer)
5438 ;; Take the article from the original article buffer
5439 ;; and place it in the buffer it's supposed to be in.
5440 (when (and (get-buffer gnus-article-buffer)
5441 (equal (buffer-name (current-buffer))
5442 (buffer-name (get-buffer gnus-article-buffer))))
5444 (if (get-buffer gnus-original-article-buffer)
5445 (set-buffer gnus-original-article-buffer)
5446 (set-buffer (gnus-get-buffer-create gnus-original-article-buffer))
5447 (buffer-disable-undo)
5448 (setq major-mode 'gnus-original-article-mode)
5449 (setq buffer-read-only t))
5450 (let (buffer-read-only)
5452 (insert-buffer-substring gnus-article-buffer))
5453 (setq gnus-original-article (cons group article)))
5456 (run-hooks 'gnus-article-decode-hook)
5457 ;; Mark article as decoded or not.
5458 (setq gnus-article-decoded-p gnus-article-decode-hook))
5460 ;; Update sparse articles.
5461 (when (and do-update-line
5462 (or (numberp article)
5464 (let ((buf (current-buffer)))
5465 (set-buffer gnus-summary-buffer)
5466 (gnus-summary-update-article do-update-line sparse-header)
5467 (gnus-summary-goto-subject do-update-line nil t)
5468 (set-window-point (gnus-get-buffer-window (current-buffer) t)
5470 (set-buffer buf))))))
5476 (defcustom gnus-article-edit-mode-hook nil
5477 "Hook run in article edit mode buffers."
5478 :group 'gnus-article-various
5481 (defvar gnus-article-edit-done-function nil)
5483 (defvar gnus-article-edit-mode-map nil)
5485 ;; Should we be using derived.el for this?
5486 (unless gnus-article-edit-mode-map
5487 (setq gnus-article-edit-mode-map (make-keymap))
5488 (set-keymap-parent gnus-article-edit-mode-map text-mode-map)
5490 (gnus-define-keys gnus-article-edit-mode-map
5491 "\C-c?" describe-mode
5492 "\C-c\C-c" gnus-article-edit-done
5493 "\C-c\C-k" gnus-article-edit-exit
5494 "\C-c\C-f\C-t" message-goto-to
5495 "\C-c\C-f\C-o" message-goto-from
5496 "\C-c\C-f\C-b" message-goto-bcc
5497 ;;"\C-c\C-f\C-w" message-goto-fcc
5498 "\C-c\C-f\C-c" message-goto-cc
5499 "\C-c\C-f\C-s" message-goto-subject
5500 "\C-c\C-f\C-r" message-goto-reply-to
5501 "\C-c\C-f\C-n" message-goto-newsgroups
5502 "\C-c\C-f\C-d" message-goto-distribution
5503 "\C-c\C-f\C-f" message-goto-followup-to
5504 "\C-c\C-f\C-m" message-goto-mail-followup-to
5505 "\C-c\C-f\C-k" message-goto-keywords
5506 "\C-c\C-f\C-u" message-goto-summary
5507 "\C-c\C-f\C-i" message-insert-or-toggle-importance
5508 "\C-c\C-f\C-a" message-generate-unsubscribed-mail-followup-to
5509 "\C-c\C-b" message-goto-body
5510 "\C-c\C-i" message-goto-signature
5512 "\C-c\C-t" message-insert-to
5513 "\C-c\C-n" message-insert-newsgroups
5514 "\C-c\C-o" message-sort-headers
5515 "\C-c\C-e" message-elide-region
5516 "\C-c\C-v" message-delete-not-region
5517 "\C-c\C-z" message-kill-to-signature
5518 "\M-\r" message-newline-and-reformat
5519 "\C-c\C-a" mml-attach-file
5520 "\C-a" message-beginning-of-line
5522 "\M-;" comment-region)
5524 (gnus-define-keys (gnus-article-edit-wash-map
5525 "\C-c\C-w" gnus-article-edit-mode-map)
5526 "f" gnus-article-edit-full-stops))
5529 gnus-article-edit-mode-field-menu gnus-article-edit-mode-map ""
5531 ["Fetch To" message-insert-to t]
5532 ["Fetch Newsgroups" message-insert-newsgroups t]
5534 ["To" message-goto-to t]
5535 ["From" message-goto-from t]
5536 ["Subject" message-goto-subject t]
5537 ["Cc" message-goto-cc t]
5538 ["Reply-To" message-goto-reply-to t]
5539 ["Summary" message-goto-summary t]
5540 ["Keywords" message-goto-keywords t]
5541 ["Newsgroups" message-goto-newsgroups t]
5542 ["Followup-To" message-goto-followup-to t]
5543 ["Mail-Followup-To" message-goto-mail-followup-to t]
5544 ["Distribution" message-goto-distribution t]
5545 ["Body" message-goto-body t]
5546 ["Signature" message-goto-signature t]))
5548 (define-derived-mode gnus-article-edit-mode text-mode "Article Edit"
5549 "Major mode for editing articles.
5550 This is an extended text-mode.
5552 \\{gnus-article-edit-mode-map}"
5553 (make-local-variable 'gnus-article-edit-done-function)
5554 (make-local-variable 'gnus-prev-winconf)
5555 (set (make-local-variable 'font-lock-defaults)
5556 '(message-font-lock-keywords t))
5557 (set (make-local-variable 'mail-header-separator) "")
5558 (set (make-local-variable 'gnus-article-edit-mode) t)
5559 (easy-menu-add message-mode-field-menu message-mode-map)
5561 (setq buffer-read-only nil)
5562 (buffer-enable-undo)
5565 (defun gnus-article-edit (&optional force)
5566 "Edit the current article.
5567 This will have permanent effect only in mail groups.
5568 If FORCE is non-nil, allow editing of articles even in read-only
5571 (when (and (not force)
5572 (gnus-group-read-only-p))
5573 (error "The current newsgroup does not support article editing"))
5574 (gnus-article-date-original)
5575 (gnus-article-edit-article
5577 `(lambda (no-highlight)
5579 (gnus-summary-edit-article-done
5580 ,(or (mail-header-references gnus-current-headers) "")
5581 ,(gnus-group-read-only-p) ,gnus-summary-buffer no-highlight))))
5583 (defun gnus-article-edit-article (start-func exit-func)
5584 "Start editing the contents of the current article buffer."
5585 (let ((winconf (current-window-configuration)))
5586 (set-buffer gnus-article-buffer)
5587 (gnus-article-edit-mode)
5588 (funcall start-func)
5589 (set-buffer-modified-p nil)
5590 (gnus-configure-windows 'edit-article)
5591 (setq gnus-article-edit-done-function exit-func)
5592 (setq gnus-prev-winconf winconf)
5593 (gnus-message 6 "C-c C-c to end edits")))
5595 (defun gnus-article-edit-done (&optional arg)
5596 "Update the article edits and exit."
5598 (let ((func gnus-article-edit-done-function)
5599 (buf (current-buffer))
5600 (start (window-start))
5602 (winconf gnus-prev-winconf))
5603 (widen) ;; Widen it in case that users narrowed the buffer.
5606 ;; The cache and backlog have to be flushed somewhat.
5607 (when gnus-keep-backlog
5608 (gnus-backlog-remove-article
5609 (car gnus-article-current) (cdr gnus-article-current)))
5610 ;; Flush original article as well.
5612 (when (get-buffer gnus-original-article-buffer)
5613 (set-buffer gnus-original-article-buffer)
5614 (setq gnus-original-article nil)))
5615 (when gnus-use-cache
5616 (gnus-cache-update-article
5617 (car gnus-article-current) (cdr gnus-article-current)))
5618 ;; We remove all text props from the article buffer.
5619 (kill-all-local-variables)
5620 (set-text-properties (point-min) (point-max) nil)
5622 (set-window-configuration winconf)
5624 (set-window-start (get-buffer-window buf) start)
5625 (set-window-point (get-buffer-window buf) (point)))
5626 (gnus-summary-show-article))
5628 (defun gnus-article-edit-exit ()
5629 "Exit the article editing without updating."
5631 (when (or (not (buffer-modified-p))
5632 (yes-or-no-p "Article modified; kill anyway? "))
5633 (let ((curbuf (current-buffer))
5635 (window-start (window-start)))
5637 (if (gnus-buffer-live-p gnus-original-article-buffer)
5638 (insert-buffer gnus-original-article-buffer))
5639 (let ((winconf gnus-prev-winconf))
5640 (kill-all-local-variables)
5642 (set-window-configuration winconf)
5643 ;; Tippy-toe some to make sure that point remains where it was.
5644 (save-current-buffer
5646 (set-window-start (get-buffer-window (current-buffer)) window-start)
5648 (gnus-summary-show-article)))
5650 (defun gnus-article-edit-full-stops ()
5651 "Interactively repair spacing at end of sentences."
5654 (goto-char (point-min))
5655 (search-forward-regexp "^$" nil t)
5656 (let ((case-fold-search nil))
5657 (query-replace-regexp "\\([.!?][])}]* \\)\\([[({A-Z]\\)" "\\1 \\2"))))
5660 ;;; Article highlights
5663 ;; Written by Per Abrahamsen <abraham@iesd.auc.dk>.
5665 ;;; Internal Variables:
5667 (defcustom gnus-button-url-regexp
5668 (if (string-match "[[:digit:]]" "1") ;; support POSIX?
5669 "\\b\\(\\(www\\.\\|\\(s?https?\\|ftp\\|file\\|gopher\\|nntp\\|news\\|telnet\\|wais\\|mailto\\|info\\):\\)\\(//[-a-z0-9_.]+:[0-9]*\\)?[-a-z0-9_=!?#$@~%&*+\\/:;.,[:word:]]+[-a-z0-9_=#$@~%&*+\\/[:word:]]\\)"
5670 "\\b\\(\\(www\\.\\|\\(s?https?\\|ftp\\|file\\|gopher\\|nntp\\|news\\|telnet\\|wais\\|mailto\\|info\\):\\)\\(//[-a-z0-9_.]+:[0-9]*\\)?\\([-a-z0-9_=!?#$@~%&*+\\/:;.,]\\|\\w\\)+\\([-a-z0-9_=#$@~%&*+\\/]\\|\\w\\)\\)")
5671 "Regular expression that matches URLs."
5672 :group 'gnus-article-buttons
5675 (defcustom gnus-button-valid-fqdn-regexp
5676 message-valid-fqdn-regexp
5677 "Regular expression that matches a valid FQDN."
5678 :group 'gnus-article-buttons
5681 (defcustom gnus-button-man-handler 'manual-entry
5682 "Function to use for displaying man pages.
5683 The function must take at least one argument with a string naming the
5685 :type '(choice (function-item :tag "Man" manual-entry)
5686 (function-item :tag "Woman" woman)
5687 (function :tag "Other"))
5688 :group 'gnus-article-buttons)
5690 (defcustom gnus-ctan-url "http://tug.ctan.org/tex-archive/"
5691 "Top directory of a CTAN \(Comprehensive TeX Archive Network\) archive.
5692 If the default site is too slow, try to find a CTAN mirror, see
5693 <URL:http://tug.ctan.org/tex-archive/CTAN.sites?action=/index.html>. See also
5694 the variable `gnus-button-handle-ctan'."
5695 :group 'gnus-article-buttons
5696 :link '(custom-manual "(gnus)Group Parameters")
5697 :type '(choice (const "http://www.tex.ac.uk/tex-archive/")
5698 (const "http://tug.ctan.org/tex-archive/")
5699 (const "http://www.dante.de/CTAN/")
5700 (string :tag "Other")))
5702 (defcustom gnus-button-ctan-handler 'browse-url
5703 "Function to use for displaying CTAN links.
5704 The function must take one argument, the string naming the URL."
5705 :type '(choice (function-item :tag "Browse Url" browse-url)
5706 (function :tag "Other"))
5707 :group 'gnus-article-buttons)
5709 (defcustom gnus-button-handle-ctan-bogus-regexp "^/?tex-archive/\\|^/"
5710 "Bogus strings removed from CTAN URLs."
5711 :group 'gnus-article-buttons
5712 :type '(choice (const "^/?tex-archive/\\|/")
5713 (regexp :tag "Other")))
5715 (defcustom gnus-button-ctan-directory-regexp
5718 "biblio\\|digests\\|dviware\\|fonts\\|graphics\\|help\\|"
5719 "indexing\\|info\\|language\\|macros\\|support\\|systems\\|"
5720 "tds\\|tools\\|usergrps\\|web\\|nonfree\\|obsolete"
5722 "Regular expression for ctan directories.
5723 It should match all directories in the top level of `gnus-ctan-url'."
5724 :group 'gnus-article-buttons
5727 (defcustom gnus-button-mid-or-mail-regexp
5728 (concat "\\b\\(<?[a-z0-9$%(*-=?[_][^<>\")!;:,{}\n\t ]*@"
5729 ;; Felix Wiemann in <87oeuomcz9.fsf@news2.ososo.de>
5730 gnus-button-valid-fqdn-regexp
5732 "Regular expression that matches a message ID or a mail address."
5733 :group 'gnus-article-buttons
5736 (defcustom gnus-button-prefer-mid-or-mail 'gnus-button-mid-or-mail-heuristic
5737 "What to do when the button on a string as \"foo123@bar.invalid\" is pushed.
5738 Strings like this can be either a message ID or a mail address. If it is one
5739 of the symbols `mid' or `mail', Gnus will always assume that the string is a
5740 message ID or a mail address, respectively. If this variable is set to the
5741 symbol `ask', always query the user what do do. If it is a function, this
5742 function will be called with the string as it's only argument. The function
5743 must return `mid', `mail', `invalid' or `ask'."
5744 :group 'gnus-article-buttons
5745 :type '(choice (function-item :tag "Heuristic function"
5746 gnus-button-mid-or-mail-heuristic)
5751 (defcustom gnus-button-mid-or-mail-heuristic-alist
5752 '((-10.0 . ".+\\$.+@")
5755 (-5.0 . "\\+[^+]*\\+.*@") ;; # two plus signs
5756 (-5.0 . "@[Nn][Ee][Ww][Ss]") ;; /\@news/i
5757 (-5.0 . "@.*[Dd][Ii][Aa][Ll][Uu][Pp]") ;; /\@.*dialup/i;
5758 (-1.0 . "^[^a-z]+@")
5760 (-5.0 . "\\.[0-9][0-9]+.*@") ;; "\.[0-9]{2,}.*\@"
5761 (-5.0 . "[a-z].*[A-Z].*[a-z].*[A-Z].*@") ;; "([a-z].*[A-Z].*){2,}\@"
5762 (-3.0 . "[A-Z][A-Z][a-z][a-z].*@")
5763 (-5.0 . "\\...?.?@") ;; (-5.0 . "\..{1,3}\@")
5766 (-1.0 . "^[0-9][0-9]")
5768 ;; -3.0 /^[0-9][0-9a-fA-F]{2,2}/;
5769 (-3.0 . "^[0-9][0-9a-fA-F][0-9a-fA-F][^0-9a-fA-F]")
5770 ;; -5.0 /^[0-9][0-9a-fA-F]{3,3}/;
5771 (-5.0 . "^[0-9][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][^0-9a-fA-F]")
5773 (-3.0 . "[0-9][0-9][0-9][0-9][0-9][^0-9].*@") ;; "[0-9]{5,}.*\@"
5774 (-3.0 . "[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][^0-9].*@")
5777 . "[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9].*@")
5779 ;; compensation for TDMA dated mail addresses:
5780 (25.0 . "-dated-[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]+.*@")
5782 (-20.0 . "\\.fsf@") ;; Gnus
5785 (-20.0 . "_-_") ;; Subject change in thread
5787 (-20.0 . "\\.ln@") ;; leafnode
5788 (-30.0 . "@ID-[0-9]+\\.[a-zA-Z]+\\.dfncis\\.de")
5789 (-30.0 . "@4[Aa][Xx]\\.com") ;; Forte Agent
5791 ;; (5.0 . "") ;; $local_part_len <= 7
5792 (10.0 . "^[^0-9]+@")
5793 (3.0 . "^[^0-9]+[0-9][0-9]?[0-9]?@")
5794 ;; ^[^0-9]+[0-9]{1,3}\@ digits only at end of local part
5797 (2.0 . "[a-z][a-z][._-][A-Z][a-z].*@")
5799 (0.5 . "^[A-Z][a-z]")
5800 (0.5 . "^[A-Z][a-z][a-z]")
5801 (1.5 . "^[A-Z][a-z][A-Z][a-z][^a-z]") ;; ^[A-Z][a-z]{3,3}
5802 (2.0 . "^[A-Z][a-z][A-Z][a-z][a-z][^a-z]")) ;; ^[A-Z][a-z]{4,4}
5803 "An alist of \(RATE . REGEXP\) pairs for `gnus-button-mid-or-mail-heuristic'.
5805 A negative RATE indicates a message IDs, whereas a positive indicates a mail
5806 address. The REGEXP is processed with `case-fold-search' set to nil."
5807 :group 'gnus-article-buttons
5808 :type '(repeat (cons (number :tag "Rate")
5809 (regexp :tag "Regexp"))))
5811 (defun gnus-button-mid-or-mail-heuristic (mid-or-mail)
5812 "Guess whether MID-OR-MAIL is a message ID or a mail address.
5813 Returns `mid' if MID-OR-MAIL is a message IDs, `mail' if it's a mail
5814 address, `ask' if unsure and `invalid' if the string is invalid."
5815 (let ((case-fold-search nil)
5816 (list gnus-button-mid-or-mail-heuristic-alist)
5817 (result 0) rate regexp lpartlen elem)
5819 (length (gnus-replace-in-string mid-or-mail "^\\(.*\\)@.*$" "\\1")))
5820 (gnus-message 8 "`%s', length of local part=`%s'." mid-or-mail lpartlen)
5821 ;; Certain special cases...
5824 "^0[0-9]+-[0-9][0-9][0-9][0-9]@t-online\\.de$\\|"
5825 "^[0-9]+\\.[0-9]+@compuserve\\|"
5826 "@public\\.gmane\\.org")
5828 (gnus-message 8 "`%s' is a known mail address." mid-or-mail)
5829 (setq result 'mail))
5830 (when (string-match "@.*@\\| " mid-or-mail)
5831 (gnus-message 8 "`%s' is invalid." mid-or-mail)
5832 (setq result 'invalid))
5833 ;; Nothing more to do, if result is not a number here...
5834 (when (numberp result)
5836 (setq elem (car list)
5840 (when (string-match regexp mid-or-mail)
5841 (setq result (+ result rate))
5843 9 "`%s' matched `%s', rate `%s', result `%s'."
5844 mid-or-mail regexp rate result)))
5845 (when (<= lpartlen 7)
5846 (setq result (+ result 5.0))
5847 (gnus-message 9 "`%s' matched (<= lpartlen 7), result `%s'."
5848 mid-or-mail result))
5849 (when (>= lpartlen 12)
5850 (gnus-message 9 "`%s' matched (>= lpartlen 12)" mid-or-mail)
5852 ((string-match "[0-9][^0-9]+[0-9].*@" mid-or-mail)
5853 ;; Long local part should contain realname if e-mail address,
5854 ;; too many digits: message-id.
5855 ;; $score -= 5.0 + 0.1 * $local_part_len;
5856 (setq rate (* -1.0 (+ 5.0 (* 0.1 lpartlen))))
5857 (setq result (+ result rate))
5859 9 "Many digits in `%s', rate `%s', result `%s'."
5860 mid-or-mail rate result))
5861 ((string-match "[^aeiouy][^aeiouy][^aeiouy][^aeiouy]+.*\@"
5863 ;; Too few vowels [^aeiouy]{4,}.*\@
5864 (setq result (+ result -5.0))
5866 9 "Few vowels in `%s', rate `%s', result `%s'."
5867 mid-or-mail -5.0 result))
5869 (setq result (+ result 5.0))
5871 9 "`%s', rate `%s', result `%s'." mid-or-mail 5.0 result)))))
5872 (gnus-message 8 "`%s': Final rate is `%s'." mid-or-mail result)
5873 ;; Maybe we should make this a customizable alist: (condition . 'result)
5875 ((symbolp result) result)
5876 ;; Now convert number into proper results:
5877 ((< result -10.0) 'mid)
5878 ((> result 10.0) 'mail)
5881 (defun gnus-button-handle-mid-or-mail (mid-or-mail)
5882 (let* ((pref gnus-button-prefer-mid-or-mail) guessed
5883 (url-mid (concat "news" ":" mid-or-mail))
5884 (url-mailto (concat "mailto" ":" mid-or-mail)))
5885 (gnus-message 9 "mid-or-mail=%s" mid-or-mail)
5886 (when (fboundp pref)
5888 ;; get rid of surrounding angles...
5890 (gnus-replace-in-string mid-or-mail "^<\\|>$" "")))
5891 (if (or (eq 'mid guessed) (eq 'mail guessed))
5895 (save-window-excursion
5896 (if (y-or-n-p (concat "Is <" mid-or-mail "> a mail address? "))
5899 (cond ((eq pref 'mid)
5900 (gnus-message 8 "calling `gnus-button-handle-news' %s" url-mid)
5901 (gnus-button-handle-news url-mid))
5903 (gnus-message 8 "calling `gnus-url-mailto' %s" url-mailto)
5904 (gnus-url-mailto url-mailto))
5905 (t (gnus-message 3 "Invalid string.")))))
5907 (defun gnus-button-handle-custom (url)
5908 "Follow a Custom URL."
5909 (customize-apropos (gnus-url-unhex-string url)))
5911 (defvar gnus-button-handle-describe-prefix "^\\(C-h\\|<?[Ff]1>?\\)")
5913 ;; FIXME: Maybe we should merge some of the functions that do quite similar
5916 (defun gnus-button-handle-describe-function (url)
5917 "Call `describe-function' when pushing the corresponding URL button."
5920 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))))
5922 (defun gnus-button-handle-describe-variable (url)
5923 "Call `describe-variable' when pushing the corresponding URL button."
5926 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))))
5928 (defun gnus-button-handle-symbol (url)
5929 "Display help on variable or function.
5930 Calls `describe-variable' or `describe-function'."
5931 (let ((sym (intern url)))
5933 ((fboundp sym) (describe-function sym))
5934 ((boundp sym) (describe-variable sym))
5935 (t (gnus-message 3 "`%s' is not a known function of variable." url)))))
5937 (defun gnus-button-handle-describe-key (url)
5938 "Call `describe-key' when pushing the corresponding URL button."
5940 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))
5941 (keys (ignore-errors (eval `(kbd ,key-string)))))
5944 (gnus-message 3 "Invalid key sequence in button: %s" key-string))))
5946 (defun gnus-button-handle-apropos (url)
5947 "Call `apropos' when pushing the corresponding URL button."
5948 (apropos (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
5950 (defun gnus-button-handle-apropos-command (url)
5951 "Call `apropos' when pushing the corresponding URL button."
5953 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
5955 (defun gnus-button-handle-apropos-variable (url)
5956 "Call `apropos' when pushing the corresponding URL button."
5958 (if (fboundp 'apropos-variable) 'apropos-variable 'apropos)
5959 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
5961 (defun gnus-button-handle-apropos-documentation (url)
5962 "Call `apropos' when pushing the corresponding URL button."
5964 (if (fboundp 'apropos-documentation) 'apropos-documentation 'apropos)
5965 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
5967 (defun gnus-button-handle-library (url)
5968 "Call `locate-library' when pushing the corresponding URL button."
5969 (gnus-message 9 "url=`%s'" url)
5970 (let* ((lib (locate-library url))
5971 (file (gnus-replace-in-string (or lib "") "\.elc" ".el")))
5973 (gnus-message 1 "Cannot locale library `%s'." url)
5974 (find-file-read-only file))))
5976 (defun gnus-button-handle-ctan (url)
5977 "Call `browse-url' when pushing a CTAN URL button."
5979 gnus-button-ctan-handler
5982 (gnus-replace-in-string url gnus-button-handle-ctan-bogus-regexp ""))))
5984 (defcustom gnus-button-tex-level 5
5985 "*Integer that says how many TeX-related buttons Gnus will show.
5986 The higher the number, the more buttons will appear and the more false
5987 positives are possible. Note that you can set this variable local to
5988 specific groups. Setting it higher in TeX groups is probably a good idea.
5989 See Info node `(gnus)Group Parameters' and the variable `gnus-parameters' on
5990 how to set variables in specific groups."
5991 :group 'gnus-article-buttons
5992 :link '(custom-manual "(gnus)Group Parameters")
5995 (defcustom gnus-button-man-level 5
5996 "*Integer that says how many man-related buttons Gnus will show.
5997 The higher the number, the more buttons will appear and the more false
5998 positives are possible. Note that you can set this variable local to
5999 specific groups. Setting it higher in Unix groups is probably a good idea.
6000 See Info node `(gnus)Group Parameters' and the variable `gnus-parameters' on
6001 how to set variables in specific groups."
6002 :group 'gnus-article-buttons
6003 :link '(custom-manual "(gnus)Group Parameters")
6006 (defcustom gnus-button-emacs-level 5
6007 "*Integer that says how many emacs-related buttons Gnus will show.
6008 The higher the number, the more buttons will appear and the more false
6009 positives are possible. Note that you can set this variable local to
6010 specific groups. Setting it higher in Emacs or Gnus related groups is
6011 probably a good idea. See Info node `(gnus)Group Parameters' and the variable
6012 `gnus-parameters' on how to set variables in specific groups."
6013 :group 'gnus-article-buttons
6014 :link '(custom-manual "(gnus)Group Parameters")
6017 (defcustom gnus-button-message-level 5
6018 "*Integer that says how many buttons for news or mail messages will appear.
6019 The higher the number, the more buttons will appear and the more false
6020 positives are possible."
6021 ;; mail addresses, MIDs, URLs for news, ...
6022 :group 'gnus-article-buttons
6025 (defcustom gnus-button-browse-level 5
6026 "*Integer that says how many buttons for browsing will appear.
6027 The higher the number, the more buttons will appear and the more false
6028 positives are possible."
6029 ;; stuff handled by `browse-url' or `gnus-button-embedded-url'
6030 :group 'gnus-article-buttons
6033 (defcustom gnus-button-alist
6034 '(("<\\(url:[>\n\t ]*?\\)?\\(nntp\\|news\\):[>\n\t ]*\\([^>\n\t ]*@[^>\n\t ]*\\)>"
6035 0 (>= gnus-button-message-level 0) gnus-button-handle-news 3)
6036 ("\\b\\(nntp\\|news\\):\\([^>\n\t ]*@[^>)!;:,\n\t ]*\\)" 0 t
6037 gnus-button-handle-news 2)
6038 ("\\(\\b<\\(url:[>\n\t ]*\\)?\\(nntp\\|news\\):[>\n\t ]*\\(//\\)?\\([^>\n\t ]*\\)>\\)"
6039 1 (>= gnus-button-message-level 0) gnus-button-fetch-group 5)
6040 ("\\b\\(nntp\\|news\\):\\(//\\)?\\([^'\">\n\t ]+\\)"
6041 0 (>= gnus-button-message-level 0) gnus-button-fetch-group 3)
6042 ;; RFC 2392 (Don't allow `/' in domain part --> CID)
6043 ("\\bmid:\\(//\\)?\\([^'\">\n\t ]+@[^'\">\n\t /]+\\)"
6044 0 (>= gnus-button-message-level 0) gnus-button-message-id 2)
6045 ("\\bin\\( +article\\| +message\\)? +\\(<\\([^\n @<>]+@[^\n @<>]+\\)>\\)"
6046 2 (>= gnus-button-message-level 0) gnus-button-message-id 3)
6047 ("\\(<URL: *\\)mailto: *\\([^> \n\t]+\\)>"
6048 0 (>= gnus-button-message-level 0) gnus-url-mailto 2)
6049 ;; RFC 2368 (The mailto URL scheme)
6050 ("\\bmailto:\\([-a-z.@_+0-9%=?&/]+\\)"
6051 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
6052 ("\\bmailto:\\([^ \n\t]+\\)"
6053 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
6055 ((concat "\\bCTAN:[ \t\n]?[^>)!;:,'\n\t ]*\\("
6056 gnus-button-ctan-directory-regexp
6057 "[^][>)!;:,'\n\t ]+\\)")
6058 0 (>= gnus-button-tex-level 1) gnus-button-handle-ctan 1)
6059 ((concat "\\btex-archive/\\("
6060 gnus-button-ctan-directory-regexp
6061 "/[-_.a-z0-9/]+[-_./a-z0-9]+[/a-z0-9]\\)")
6062 1 (>= gnus-button-tex-level 6) gnus-button-handle-ctan 1)
6065 gnus-button-ctan-directory-regexp
6066 "/[-_.a-z0-9]+/[-_./a-z0-9]+[/a-z0-9]\\)")
6067 1 (>= gnus-button-tex-level 8) gnus-button-handle-ctan 1)
6068 ;; This is info (home-grown style) <info://foo/bar+baz>
6069 ("\\binfo://\\([^'\">\n\t ]+\\)"
6070 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url 1)
6071 ;; Info GNOME style <info:foo#bar_baz>
6072 ("\\binfo:\\([^('\n\t\r \"><][^'\n\t\r \"><]*\\)"
6073 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url-gnome 1)
6074 ;; Info KDE style <info:(foo)bar baz>
6075 ("<\\(info:\\(([^)]+)[^>\n\r]*\\)\\)>"
6076 1 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url-kde 2)
6077 ("\\((Info-goto-node\\|(info\\)[ \t\n]*\\(\"[^\"]*\"\\))" 0
6078 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url 2)
6079 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+i[ \t\n]+d?[ \t\n]?m[ \t\n]+\\([^ ]+ ?[^ ]+\\)[ \t\n]+RET"
6080 ;; Info links like `C-h i d m CC Mode RET'
6081 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-keystrokes 2)
6083 ("\\bcustom:\\(//\\)?\\([^'\">\n\t ]+\\)"
6084 0 (>= gnus-button-emacs-level 5) gnus-button-handle-custom 2)
6085 ("M-x[ \t\n]customize-[^ ]+[ \t\n]RET[ \t\n]\\([^ ]+\\)[ \t\n]RET" 0
6086 (>= gnus-button-emacs-level 1) gnus-button-handle-custom 1)
6087 ;; Emacs help commands
6088 ("M-x[ \t\n]+apropos[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6089 ;; regexp doesn't match arguments containing ` '.
6090 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos 1)
6091 ("M-x[ \t\n]+apropos-command[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6092 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-command 1)
6093 ("M-x[ \t\n]+apropos-variable[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6094 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-variable 1)
6095 ("M-x[ \t\n]+apropos-documentation[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6096 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-documentation 1)
6097 ;; The following entries may lead to many false positives so don't enable
6098 ;; them by default (use a high button level):
6099 ("/\\([a-z][-a-z0-9]+\\.el\\)\\>"
6100 1 (>= gnus-button-emacs-level 8) gnus-button-handle-library 1)
6101 ("`\\([a-z][-a-z0-9]+\\.el\\)'"
6102 1 (>= gnus-button-emacs-level 8) gnus-button-handle-library 1)
6103 ("`\\([a-z][a-z0-9]+-[a-z]+-[-a-z]+\\|\\(gnus\\|message\\)-[-a-z]+\\)'"
6104 0 (>= gnus-button-emacs-level 8) gnus-button-handle-symbol 1)
6105 ("`\\([a-z][a-z0-9]+-[a-z]+\\)'"
6106 0 (>= gnus-button-emacs-level 9) gnus-button-handle-symbol 1)
6107 ("(setq[ \t\n]+\\([a-z][a-z0-9]+-[-a-z0-9]+\\)[ \t\n]+.+)"
6108 1 (>= gnus-button-emacs-level 7) gnus-button-handle-describe-variable 1)
6109 ("\\bM-x[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6110 1 (>= gnus-button-emacs-level 7) gnus-button-handle-describe-function 1)
6111 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+f[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6112 0 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-function 2)
6113 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+v[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6114 0 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-variable 2)
6115 ("`\\(\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+k[ \t\n]+\\([^']+\\)\\)'"
6116 ;; Unlike the other regexps we really have to require quoting
6117 ;; here to determine where it ends.
6118 1 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-key 3)
6119 ;; This is how URLs _should_ be embedded in text (RFC 1738, RFC 2396)...
6120 ("<URL: *\\([^<>]*\\)>"
6121 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
6122 ;; RFC 2396 (2.4.3., delims) ...
6123 ("\"URL: *\\([^\"]*\\)\""
6124 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
6125 ;; RFC 2396 (2.4.3., delims) ...
6126 ("\"URL: *\\([^\"]*\\)\""
6127 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
6129 (gnus-button-url-regexp
6130 0 (>= gnus-button-browse-level 0) browse-url 0)
6132 ("\\b\\([a-z][a-z]+([1-9])\\)\\W"
6133 0 (and (>= gnus-button-man-level 1) (< gnus-button-man-level 3))
6134 gnus-button-handle-man 1)
6135 ;; more man pages: resolv.conf(5), iso_8859-1(7), xterm(1x)
6136 ("\\b\\([a-z][-_.a-z0-9]+([1-9])\\)\\W"
6137 0 (and (>= gnus-button-man-level 3) (< gnus-button-man-level 5))
6138 gnus-button-handle-man 1)
6139 ;; even more: Apache::PerlRun(3pm), PDL::IO::FastRaw(3pm),
6140 ;; SoWWWAnchor(3iv), XSelectInput(3X11), X(1), X(7)
6141 ("\\b\\(\\(?:[a-z][-+_.:a-z0-9]+([1-9][X1a-z]*)\\)\\W\\|\\b\\(?:X([1-9])\\)\\)\\W"
6142 0 (>= gnus-button-man-level 5) gnus-button-handle-man 1)
6143 ;; MID or mail: To avoid too many false positives we don't try to catch
6144 ;; all kind of allowed MIDs or mail addresses. Domain part must contain
6145 ;; at least one dot. TLD must contain two or three chars or be a know TLD
6146 ;; (info|name|...). Put this entry near the _end_ of `gnus-button-alist'
6147 ;; so that non-ambiguous entries (see above) match first.
6148 (gnus-button-mid-or-mail-regexp
6149 0 (>= gnus-button-message-level 5) gnus-button-handle-mid-or-mail 1))
6150 "*Alist of regexps matching buttons in article bodies.
6152 Each entry has the form (REGEXP BUTTON FORM CALLBACK PAR...), where
6153 REGEXP: is the string (case insensitive) matching text around the button (can
6154 also be Lisp expression evaluating to a string),
6155 BUTTON: is the number of the regexp grouping actually matching the button,
6156 FORM: is a Lisp expression which must eval to true for the button to
6158 CALLBACK: is the function to call when the user push this button, and each
6159 PAR: is a number of a regexp grouping whose text will be passed to CALLBACK.
6161 CALLBACK can also be a variable, in that case the value of that
6162 variable it the real callback function."
6163 :group 'gnus-article-buttons
6164 :type '(repeat (list (choice regexp variable sexp)
6165 (integer :tag "Button")
6167 (function :tag "Callback")
6170 (integer :tag "Regexp group")))))
6172 (defcustom gnus-header-button-alist
6173 '(("^\\(References\\|Message-I[Dd]\\|^In-Reply-To\\):" "<[^<>]+>"
6174 0 (>= gnus-button-message-level 0) gnus-button-message-id 0)
6175 ("^\\(From\\|Reply-To\\):" ": *\\(.+\\)$"
6176 1 (>= gnus-button-message-level 0) gnus-button-reply 1)
6177 ("^\\(Cc\\|To\\):" "[^ \t\n<>,()\"]+@[^ \t\n<>,()\"]+"
6178 0 (>= gnus-button-message-level 0) gnus-button-mailto 0)
6179 ("^X-[Uu][Rr][Ll]:" gnus-button-url-regexp
6180 0 (>= gnus-button-browse-level 0) browse-url 0)
6181 ("^Subject:" gnus-button-url-regexp
6182 0 (>= gnus-button-browse-level 0) browse-url 0)
6183 ("^[^:]+:" gnus-button-url-regexp
6184 0 (>= gnus-button-browse-level 0) browse-url 0)
6185 ("^[^:]+:" "\\bmailto:\\([-a-z.@_+0-9%=?&/]+\\)"
6186 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
6187 ("^[^:]+:" "\\(<\\(url: \\)?\\(nntp\\|news\\):\\([^>\n ]*\\)>\\)"
6188 1 (>= gnus-button-message-level 0) gnus-button-message-id 4))
6189 "*Alist of headers and regexps to match buttons in article heads.
6191 This alist is very similar to `gnus-button-alist', except that each
6192 alist has an additional HEADER element first in each entry:
6194 \(HEADER REGEXP BUTTON FORM CALLBACK PAR)
6196 HEADER is a regexp to match a header. For a fuller explanation, see
6197 `gnus-button-alist'."
6198 :group 'gnus-article-buttons
6199 :group 'gnus-article-headers
6200 :type '(repeat (list (regexp :tag "Header")
6201 (choice regexp variable)
6202 (integer :tag "Button")
6204 (function :tag "Callback")
6207 (integer :tag "Regexp group")))))
6211 (defun gnus-article-push-button (event)
6212 "Check text under the mouse pointer for a callback function.
6213 If the text under the mouse pointer has a `gnus-callback' property,
6214 call it with the value of the `gnus-data' text property."
6216 (set-buffer (window-buffer (posn-window (event-start event))))
6217 (let* ((pos (posn-point (event-start event)))
6218 (data (get-text-property pos 'gnus-data))
6219 (fun (get-text-property pos 'gnus-callback)))
6222 (funcall fun data))))
6224 (defun gnus-article-press-button ()
6225 "Check text at point for a callback function.
6226 If the text at point has a `gnus-callback' property,
6227 call it with the value of the `gnus-data' text property."
6229 (let ((data (get-text-property (point) 'gnus-data))
6230 (fun (get-text-property (point) 'gnus-callback)))
6232 (funcall fun data))))
6234 (defun gnus-article-highlight (&optional force)
6235 "Highlight current article.
6236 This function calls `gnus-article-highlight-headers',
6237 `gnus-article-highlight-citation',
6238 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
6239 do the highlighting. See the documentation for those functions."
6240 (interactive (list 'force))
6241 (gnus-article-highlight-headers)
6242 (gnus-article-highlight-citation force)
6243 (gnus-article-highlight-signature)
6244 (gnus-article-add-buttons force)
6245 (gnus-article-add-buttons-to-head))
6247 (defun gnus-article-highlight-some (&optional force)
6248 "Highlight current article.
6249 This function calls `gnus-article-highlight-headers',
6250 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
6251 do the highlighting. See the documentation for those functions."
6252 (interactive (list 'force))
6253 (gnus-article-highlight-headers)
6254 (gnus-article-highlight-signature)
6255 (gnus-article-add-buttons))
6257 (defun gnus-article-highlight-headers ()
6258 "Highlight article headers as specified by `gnus-header-face-alist'."
6260 (gnus-with-article-headers
6261 (let ((alist gnus-header-face-alist)
6262 entry regexp header-face field-face from hpoints fpoints)
6263 (while (setq entry (pop alist))
6264 (goto-char (point-min))
6265 (setq regexp (concat "^\\("
6266 (if (string-equal "" (nth 0 entry))
6270 header-face (nth 1 entry)
6271 field-face (nth 2 entry))
6272 (while (and (re-search-forward regexp nil t)
6276 (unless (search-forward ":" nil t)
6278 (when (and header-face
6279 (not (memq (point) hpoints)))
6280 (push (point) hpoints)
6281 (gnus-put-text-property from (point) 'face header-face))
6282 (when (and field-face
6283 (not (memq (setq from (point)) fpoints)))
6285 (if (re-search-forward "^[^ \t]" nil t)
6287 (goto-char (point-max)))
6288 (gnus-put-text-property from (point) 'face field-face)))))))
6290 (defun gnus-article-highlight-signature ()
6291 "Highlight the signature in an article.
6292 It does this by highlighting everything after
6293 `gnus-signature-separator' using `gnus-signature-face'."
6295 (gnus-with-article-buffer
6296 (let ((inhibit-point-motion-hooks t))
6298 (when (and gnus-signature-face
6299 (gnus-article-narrow-to-signature))
6300 (gnus-overlay-put (gnus-make-overlay (point-min) (point-max))
6301 'face gnus-signature-face)
6303 (gnus-article-search-signature)
6304 (let ((start (match-beginning 0))
6305 (end (set-marker (make-marker) (1+ (match-end 0)))))
6306 (gnus-article-add-button start (1- end) 'gnus-signature-toggle
6309 (defun gnus-button-in-region-p (b e prop)
6310 "Say whether PROP exists in the region."
6311 (text-property-not-all b e prop nil))
6313 (defun gnus-article-add-buttons (&optional force)
6314 "Find external references in the article and make buttons of them.
6315 \"External references\" are things like Message-IDs and URLs, as
6316 specified by `gnus-button-alist'."
6317 (interactive (list 'force))
6318 (gnus-with-article-buffer
6319 (let ((inhibit-point-motion-hooks t)
6320 (case-fold-search t)
6321 (alist gnus-button-alist)
6323 ;; Remove all old markers.
6324 (let (marker entry new-list)
6325 (while (setq marker (pop gnus-button-marker-list))
6326 (if (or (< marker (point-min)) (>= marker (point-max)))
6327 (push marker new-list)
6329 (when (setq entry (gnus-button-entry))
6330 (put-text-property (match-beginning (nth 1 entry))
6331 (match-end (nth 1 entry))
6332 'gnus-callback nil))
6333 (set-marker marker nil)))
6334 (setq gnus-button-marker-list new-list))
6335 ;; We skip the headers.
6338 (while (setq entry (pop alist))
6339 (setq regexp (eval (car entry)))
6341 (while (re-search-forward regexp nil t)
6342 (let* ((start (and entry (match-beginning (nth 1 entry))))
6343 (end (and entry (match-end (nth 1 entry))))
6344 (from (match-beginning 0)))
6345 (when (and (or (eq t (nth 2 entry))
6346 (eval (nth 2 entry)))
6347 (not (gnus-button-in-region-p
6348 start end 'gnus-callback)))
6349 ;; That optional form returned non-nil, so we add the
6351 (gnus-article-add-button
6352 start end 'gnus-button-push
6353 (car (push (set-marker (make-marker) from)
6354 gnus-button-marker-list))))))))))
6356 ;; Add buttons to the head of an article.
6357 (defun gnus-article-add-buttons-to-head ()
6358 "Add buttons to the head of the article."
6360 (gnus-with-article-headers
6361 (let ((alist gnus-header-button-alist)
6364 ;; Each alist entry.
6365 (setq entry (pop alist))
6366 (goto-char (point-min))
6367 (while (re-search-forward (car entry) nil t)
6368 ;; Each header matching the entry.
6369 (setq beg (match-beginning 0))
6370 (setq end (or (and (re-search-forward "^[^ \t]" nil t)
6371 (match-beginning 0))
6374 (while (re-search-forward (eval (nth 1 entry)) end t)
6375 ;; Each match within a header.
6376 (let* ((entry (cdr entry))
6377 (start (match-beginning (nth 1 entry)))
6378 (end (match-end (nth 1 entry)))
6379 (form (nth 2 entry)))
6380 (goto-char (match-end 0))
6382 (gnus-article-add-button
6383 start end (nth 3 entry)
6384 (buffer-substring (match-beginning (nth 4 entry))
6385 (match-end (nth 4 entry)))))))
6386 (goto-char end))))))
6388 ;;; External functions:
6390 (defun gnus-article-add-button (from to fun &optional data)
6391 "Create a button between FROM and TO with callback FUN and data DATA."
6392 (when gnus-article-button-face
6393 (gnus-overlay-put (gnus-make-overlay from to)
6394 'face gnus-article-button-face))
6395 (gnus-add-text-properties
6397 (nconc (and gnus-article-mouse-face
6398 (list gnus-mouse-face-prop gnus-article-mouse-face))
6399 (list 'gnus-callback fun)
6400 (and data (list 'gnus-data data))))
6401 (widget-convert-button 'link from to :action 'gnus-widget-press-button
6402 :button-keymap gnus-widget-button-keymap))
6404 ;;; Internal functions:
6406 (defun gnus-article-set-globals ()
6407 (with-current-buffer gnus-summary-buffer
6408 (gnus-set-global-variables)))
6410 (defun gnus-signature-toggle (end)
6411 (gnus-with-article-buffer
6412 (let ((inhibit-point-motion-hooks t))
6413 (if (text-property-any end (point-max) 'article-type 'signature)
6415 (gnus-delete-wash-type 'signature)
6416 (gnus-remove-text-properties-when
6417 'article-type 'signature end (point-max)
6418 (cons 'article-type (cons 'signature
6419 gnus-hidden-properties))))
6420 (gnus-add-wash-type 'signature)
6421 (gnus-add-text-properties-when
6422 'article-type nil end (point-max)
6423 (cons 'article-type (cons 'signature
6424 gnus-hidden-properties)))))
6425 (let ((gnus-article-mime-handle-alist-1 gnus-article-mime-handle-alist))
6426 (gnus-set-mode-line 'article))))
6428 (defun gnus-button-entry ()
6429 ;; Return the first entry in `gnus-button-alist' matching this place.
6430 (let ((alist gnus-button-alist)
6433 (setq entry (pop alist))
6434 (if (looking-at (eval (car entry)))
6439 (defun gnus-button-push (marker)
6440 ;; Push button starting at MARKER.
6443 (let* ((entry (gnus-button-entry))
6444 (inhibit-point-motion-hooks t)
6446 (args (mapcar (lambda (group)
6447 (let ((string (match-string group)))
6448 (set-text-properties
6449 0 (length string) nil string)
6456 (fboundp (symbol-value fun)))
6457 (apply (symbol-value fun) args))
6459 (gnus-message 1 "You must define `%S' to use this button"
6460 (cons fun args)))))))
6462 (defun gnus-parse-news-url (url)
6463 (let (scheme server group message-id articles)
6466 (goto-char (point-min))
6467 (when (looking-at "\\([A-Za-z]+\\):")
6468 (setq scheme (match-string 1))
6469 (goto-char (match-end 0)))
6470 (when (looking-at "//\\([^/]+\\)/")
6471 (setq server (match-string 1))
6472 (goto-char (match-end 0)))
6475 ((looking-at "\\(.*@.*\\)")
6476 (setq message-id (match-string 1)))
6477 ((looking-at "\\([^/]+\\)/\\([-0-9]+\\)")
6478 (setq group (match-string 1)
6479 articles (split-string (match-string 2) "-")))
6480 ((looking-at "\\([^/]+\\)/?")
6481 (setq group (match-string 1)))
6483 (error "Unknown news URL syntax"))))
6484 (list scheme server group message-id articles)))
6486 (defun gnus-button-handle-news (url)
6488 (destructuring-bind (scheme server group message-id articles)
6489 (gnus-parse-news-url url)
6493 (set-buffer gnus-summary-buffer)
6495 (let ((gnus-refer-article-method (list (list 'nntp server))))
6496 (gnus-summary-refer-article message-id))
6497 (gnus-summary-refer-article message-id))))
6499 (gnus-button-fetch-group url)))))
6501 (defun gnus-button-handle-man (url)
6503 (gnus-message 9 "`%s' `%s'" gnus-button-man-handler url)
6504 (when (eq gnus-button-man-handler 'woman)
6505 (setq url (gnus-replace-in-string url "([1-9][X1a-z]*).*\\'" "")))
6506 (gnus-message 9 "`%s' `%s'" gnus-button-man-handler url)
6507 (funcall gnus-button-man-handler url))
6509 (defun gnus-button-handle-info-url (url)
6510 "Fetch an info URL."
6511 (setq url (mm-subst-char-in-string ?+ ?\ url))
6513 ((string-match "^\\([^:/]+\\)?/\\(.*\\)" url)
6514 (gnus-info-find-node
6515 (concat "(" (or (gnus-url-unhex-string (match-string 1 url))
6517 ")" (gnus-url-unhex-string (match-string 2 url)))))
6518 ((string-match "([^)\"]+)[^\"]+" url)
6520 (gnus-replace-in-string
6521 (gnus-replace-in-string url "[\n\t ]+" " ") "\"" ""))
6522 (gnus-info-find-node url))
6523 (t (error "Can't parse %s" url))))
6525 (defun gnus-button-handle-info-url-gnome (url)
6526 "Fetch GNOME style info URL."
6527 (setq url (mm-subst-char-in-string ?_ ?\ url))
6528 (if (string-match "\\([^#]+\\)#?\\(.*\\)" url)
6529 (gnus-info-find-node
6531 (gnus-url-unhex-string
6532 (match-string 1 url))
6534 (or (gnus-url-unhex-string
6535 (match-string 2 url))
6537 (error "Can't parse %s" url)))
6539 (defun gnus-button-handle-info-url-kde (url)
6540 "Fetch KDE style info URL."
6541 (gnus-info-find-node (gnus-url-unhex-string url)))
6543 (defun gnus-button-handle-info-keystrokes (url)
6544 "Call `info' when pushing the corresponding URL button."
6545 ;; For links like `C-h i d m gnus RET', `C-h i d m CC Mode RET'.
6550 (defun gnus-button-message-id (message-id)
6552 (with-current-buffer gnus-summary-buffer
6553 (gnus-summary-refer-article message-id)))
6555 (defun gnus-button-fetch-group (address)
6556 "Fetch GROUP specified by ADDRESS."
6557 (if (not (string-match "[:/]" address))
6558 ;; This is just a simple group url.
6559 (gnus-group-read-ephemeral-group address gnus-select-method)
6562 "^\\([^:/]+\\)\\(:\\([^/]+\\)\\)?/\\([^/]+\\)\\(/\\([0-9]+\\)\\)?"
6564 (error "Can't parse %s" address)
6565 (gnus-group-read-ephemeral-group
6566 (match-string 4 address)
6567 `(nntp ,(match-string 1 address)
6568 (nntp-address ,(match-string 1 address))
6569 (nntp-port-number ,(if (match-end 3)
6570 (match-string 3 address)
6573 (and (match-end 6) (list (string-to-int (match-string 6 address))))))))
6575 (defun gnus-url-parse-query-string (query &optional downcase)
6576 (let (retval pairs cur key val)
6577 (setq pairs (split-string query "&"))
6579 (setq cur (car pairs)
6581 (if (not (string-match "=" cur))
6583 (setq key (gnus-url-unhex-string (substring cur 0 (match-beginning 0)))
6584 val (gnus-url-unhex-string (substring cur (match-end 0) nil) t))
6586 (setq key (downcase key)))
6587 (setq cur (assoc key retval))
6589 (setcdr cur (cons val (cdr cur)))
6590 (setq retval (cons (list key val) retval)))))
6593 (defun gnus-url-mailto (url)
6594 ;; Send mail to someone
6595 (when (string-match "mailto:/*\\(.*\\)" url)
6596 (setq url (substring url (match-beginning 1) nil)))
6597 (let (to args subject func)
6598 (setq args (gnus-url-parse-query-string
6599 (if (string-match "^\\?" url)
6601 (if (string-match "^\\([^?]+\\)\\?\\(.*\\)" url)
6602 (concat "to=" (match-string 1 url) "&"
6603 (match-string 2 url))
6604 (concat "to=" url)))
6606 subject (cdr-safe (assoc "subject" args)))
6609 (setq func (intern-soft (concat "message-goto-" (downcase (caar args)))))
6612 (message-position-on-field (caar args)))
6613 (insert (gnus-replace-in-string
6614 (mapconcat 'identity (reverse (cdar args)) ", ")
6616 (setq args (cdr args)))
6619 (message-goto-subject))))
6621 (defun gnus-button-embedded-url (address)
6622 "Activate ADDRESS with `browse-url'."
6623 (browse-url (gnus-strip-whitespace address)))
6625 ;;; Next/prev buttons in the article buffer.
6627 (defvar gnus-next-page-line-format "%{%(Next page...%)%}\n")
6628 (defvar gnus-prev-page-line-format "%{%(Previous page...%)%}\n")
6630 (defvar gnus-prev-page-map
6631 (let ((map (make-sparse-keymap)))
6632 (define-key map gnus-mouse-2 'gnus-button-prev-page)
6633 (define-key map "\r" 'gnus-button-prev-page)
6636 (defvar gnus-next-page-map
6637 (let ((map (make-sparse-keymap)))
6638 (define-key map gnus-mouse-2 'gnus-button-next-page)
6639 (define-key map "\r" 'gnus-button-next-page)
6642 (defun gnus-insert-prev-page-button ()
6644 (buffer-read-only nil))
6646 gnus-prev-page-line-format nil
6647 `(keymap ,gnus-prev-page-map
6649 gnus-callback gnus-article-button-prev-page
6650 article-type annotation))
6651 (widget-convert-button
6653 ;; Exclude a newline.
6656 :action 'gnus-button-prev-page
6657 :button-keymap gnus-prev-page-map)))
6659 (defun gnus-button-next-page (&optional args more-args)
6660 "Go to the next page."
6662 (let ((win (selected-window)))
6663 (select-window (gnus-get-buffer-window gnus-article-buffer t))
6664 (gnus-article-next-page)
6665 (select-window win)))
6667 (defun gnus-button-prev-page (&optional args more-args)
6668 "Go to the prev page."
6670 (let ((win (selected-window)))
6671 (select-window (gnus-get-buffer-window gnus-article-buffer t))
6672 (gnus-article-prev-page)
6673 (select-window win)))
6675 (defun gnus-insert-next-page-button ()
6677 (buffer-read-only nil))
6678 (gnus-eval-format gnus-next-page-line-format nil
6679 `(keymap ,gnus-next-page-map
6681 gnus-callback gnus-article-button-next-page
6682 article-type annotation))
6683 (widget-convert-button
6685 ;; Exclude a newline.
6688 :action 'gnus-button-next-page
6689 :button-keymap gnus-next-page-map)))
6691 (defun gnus-article-button-next-page (arg)
6692 "Go to the next page."
6694 (let ((win (selected-window)))
6695 (select-window (gnus-get-buffer-window gnus-article-buffer t))
6696 (gnus-article-next-page)
6697 (select-window win)))
6699 (defun gnus-article-button-prev-page (arg)
6700 "Go to the prev page."
6702 (let ((win (selected-window)))
6703 (select-window (gnus-get-buffer-window gnus-article-buffer t))
6704 (gnus-article-prev-page)
6705 (select-window win)))
6707 (defvar gnus-decode-header-methods
6708 '(mail-decode-encoded-word-region)
6709 "List of methods used to decode headers.
6711 This variable is a list of FUNCTION or (REGEXP . FUNCTION). If item
6712 is FUNCTION, FUNCTION will be apply to all newsgroups. If item is a
6713 \(REGEXP . FUNCTION), FUNCTION will be only apply to the newsgroups
6714 whose names match REGEXP.
6717 \((\"chinese\" . gnus-decode-encoded-word-region-by-guess)
6718 mail-decode-encoded-word-region
6719 (\"chinese\" . rfc1843-decode-region))
6722 (defvar gnus-decode-header-methods-cache nil)
6724 (defun gnus-multi-decode-header (start end)
6725 "Apply the functions from `gnus-encoded-word-methods' that match."
6726 (unless (and gnus-decode-header-methods-cache
6727 (eq gnus-newsgroup-name
6728 (car gnus-decode-header-methods-cache)))
6729 (setq gnus-decode-header-methods-cache (list gnus-newsgroup-name))
6732 (nconc gnus-decode-header-methods-cache (list x))
6733 (if (and gnus-newsgroup-name
6734 (string-match (car x) gnus-newsgroup-name))
6735 (nconc gnus-decode-header-methods-cache
6737 gnus-decode-header-methods))
6738 (let ((xlist gnus-decode-header-methods-cache))
6741 (narrow-to-region start end)
6743 (funcall (pop xlist) (point-min) (point-max))))))
6746 ;;; Treatment top-level handling.
6749 (defun gnus-treat-article (condition &optional part-number total-parts type)
6750 (let ((length (- (point-max) (point-min)))
6751 (alist gnus-treatment-function-alist)
6752 (article-goto-body-goes-to-point-min-p t)
6756 (let ((list gnus-article-treat-types))
6758 (when (string-match (pop list) type)
6759 (throw 'found t)))))))
6760 (highlightp (gnus-visual-p 'article-highlight 'highlight))
6762 (gnus-run-hooks 'gnus-part-display-hook)
6763 (dolist (elem alist)
6766 (when (gnus-buffer-live-p gnus-summary-buffer)
6767 (set-buffer gnus-summary-buffer))
6768 (symbol-value (car elem))))
6769 (when (and (or (consp val)
6771 (gnus-treat-predicate val)
6772 (or (not (get (car elem) 'highlight))
6775 (funcall (cadr elem)))))))
6777 ;; Dynamic variables.
6779 (defvar part-number)
6780 (defvar total-parts)
6785 (defun gnus-treat-predicate (val)
6792 (stringp (car val)))
6793 (apply 'gnus-or (mapcar `(lambda (s)
6794 (string-match s ,(or gnus-newsgroup-name "")))
6797 (let ((pred (pop val)))
6800 (apply 'gnus-or (mapcar 'gnus-treat-predicate val)))
6802 (apply 'gnus-and (mapcar 'gnus-treat-predicate val)))
6804 (not (gnus-treat-predicate (car val))))
6806 (equal (car val) type))
6808 (error "%S is not a valid predicate" pred)))))
6814 (eq part-number total-parts))
6818 (error "%S is not a valid value" val))))
6820 (defun gnus-article-encrypt-body (protocol &optional n)
6821 "Encrypt the article body."
6824 (or gnus-article-encrypt-protocol
6825 (completing-read "Encrypt protocol: "
6826 gnus-article-encrypt-protocol-alist
6828 current-prefix-arg))
6829 (let ((func (cdr (assoc protocol gnus-article-encrypt-protocol-alist))))
6831 (error (format "Can't find the encrypt protocol %s" protocol)))
6832 (if (member gnus-newsgroup-name '("nndraft:delayed"
6835 (error "Can't encrypt the article in group %s"
6836 gnus-newsgroup-name))
6837 (gnus-summary-iterate n
6839 (set-buffer gnus-summary-buffer)
6840 (let ((mail-parse-charset gnus-newsgroup-charset)
6841 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets)
6842 (summary-buffer gnus-summary-buffer)
6844 (gnus-set-global-variables)
6845 (when (gnus-group-read-only-p)
6846 (error "The current newsgroup does not support article encrypt"))
6847 (gnus-summary-show-article t)
6849 (or (mail-header-references gnus-current-headers) ""))
6850 (set-buffer gnus-article-buffer)
6851 (let* ((buffer-read-only nil)
6853 (mapcar (lambda (field)
6854 (and (save-restriction
6855 (message-narrow-to-head)
6856 (goto-char (point-min))
6857 (search-forward field nil t))
6859 (message-narrow-to-field)
6861 (delete-region (point-min) (point-max))
6863 '("Content-Type:" "Content-Transfer-Encoding:"
6864 "Content-Disposition:"))))
6865 (message-narrow-to-head)
6866 (message-remove-header "MIME-Version")
6867 (goto-char (point-max))
6868 (setq point (point))
6869 (insert (apply 'concat headers))
6871 (narrow-to-region point (point-max))
6872 (let ((message-options message-options))
6873 (message-options-set 'message-sender user-mail-address)
6874 (message-options-set 'message-recipients user-mail-address)
6875 (message-options-set 'message-sign-encrypt 'not)
6877 (goto-char (point-min))
6878 (insert "MIME-Version: 1.0\n")
6880 (gnus-summary-edit-article-done
6881 references nil summary-buffer t))
6882 (when gnus-keep-backlog
6883 (gnus-backlog-remove-article
6884 (car gnus-article-current) (cdr gnus-article-current)))
6886 (when (get-buffer gnus-original-article-buffer)
6887 (set-buffer gnus-original-article-buffer)
6888 (setq gnus-original-article nil)))
6889 (when gnus-use-cache
6890 (gnus-cache-update-article
6891 (car gnus-article-current) (cdr gnus-article-current))))))))
6893 (defvar gnus-mime-security-button-line-format "%{%([[%t:%i]%D]%)%}\n"
6894 "The following specs can be used:
6895 %t The security MIME type
6898 %D Details if button is pressed")
6900 (defvar gnus-mime-security-button-end-line-format "%{%([[End of %t]%D]%)%}\n"
6901 "The following specs can be used:
6902 %t The security MIME type
6905 %D Details if button is pressed")
6907 (defvar gnus-mime-security-button-line-format-alist
6908 '((?t gnus-tmp-type ?s)
6909 (?i gnus-tmp-info ?s)
6910 (?d gnus-tmp-details ?s)
6911 (?D gnus-tmp-pressed-details ?s)))
6913 (defvar gnus-mime-security-button-map
6914 (let ((map (make-sparse-keymap)))
6915 (define-key map gnus-mouse-2 'gnus-article-push-button)
6916 (define-key map "\r" 'gnus-article-press-button)
6919 (defvar gnus-mime-security-details-buffer nil)
6921 (defvar gnus-mime-security-button-pressed nil)
6923 (defvar gnus-mime-security-show-details-inline t
6924 "If non-nil, show details in the article buffer.")
6926 (defun gnus-mime-security-verify-or-decrypt (handle)
6927 (mm-remove-parts (cdr handle))
6928 (let ((region (mm-handle-multipart-ctl-parameter handle 'gnus-region))
6929 point buffer-read-only)
6931 (goto-char (car region)))
6933 (narrow-to-region (point) (point))
6934 (with-current-buffer (mm-handle-multipart-original-buffer handle)
6935 (let* ((mm-verify-option 'known)
6936 (mm-decrypt-option 'known)
6937 (nparts (mm-possibly-verify-or-decrypt (cdr handle) handle)))
6938 (unless (eq nparts (cdr handle))
6939 (mm-destroy-parts (cdr handle))
6940 (setcdr handle nparts))))
6941 (setq point (point))
6942 (gnus-mime-display-security handle)
6943 (goto-char (point-max)))
6945 (delete-region (point) (cdr region))
6946 (set-marker (car region) nil)
6947 (set-marker (cdr region) nil))
6950 (defun gnus-mime-security-show-details (handle)
6951 (let ((details (mm-handle-multipart-ctl-parameter handle 'gnus-details)))
6953 (gnus-message 5 "No details.")
6954 (if gnus-mime-security-show-details-inline
6955 (let ((gnus-mime-security-button-pressed
6956 (not (get-text-property (point) 'gnus-mime-details)))
6957 (gnus-mime-security-button-line-format
6958 (get-text-property (point) 'gnus-line-format))
6961 (while (eq (get-text-property (point) 'gnus-line-format)
6962 gnus-mime-security-button-line-format)
6966 (narrow-to-region (point) (point))
6967 (gnus-insert-mime-security-button handle))
6968 (delete-region (point)
6969 (or (text-property-not-all
6972 gnus-mime-security-button-line-format)
6975 (if (gnus-buffer-live-p gnus-mime-security-details-buffer)
6976 (with-current-buffer gnus-mime-security-details-buffer
6979 (setq gnus-mime-security-details-buffer
6980 (gnus-get-buffer-create "*MIME Security Details*")))
6981 (with-current-buffer gnus-mime-security-details-buffer
6983 (goto-char (point-min)))
6984 (pop-to-buffer gnus-mime-security-details-buffer)))))
6986 (defun gnus-mime-security-press-button (handle)
6988 (if (mm-handle-multipart-ctl-parameter handle 'gnus-info)
6989 (gnus-mime-security-show-details handle)
6990 (gnus-mime-security-verify-or-decrypt handle))))
6992 (defun gnus-insert-mime-security-button (handle &optional displayed)
6993 (let* ((protocol (mm-handle-multipart-ctl-parameter handle 'protocol))
6996 (or (nth 2 (assoc protocol mm-verify-function-alist))
6997 (nth 2 (assoc protocol mm-decrypt-function-alist))
6999 (if (equal (car handle) "multipart/signed")
7000 " Signed" " Encrypted")
7003 (or (mm-handle-multipart-ctl-parameter handle 'gnus-info)
7006 (mm-handle-multipart-ctl-parameter handle 'gnus-details))
7007 gnus-tmp-pressed-details
7009 (setq gnus-tmp-details
7010 (if gnus-tmp-details
7011 (concat "\n" gnus-tmp-details)
7013 (setq gnus-tmp-pressed-details
7014 (if gnus-mime-security-button-pressed gnus-tmp-details ""))
7019 gnus-mime-security-button-line-format
7020 gnus-mime-security-button-line-format-alist
7021 `(keymap ,gnus-mime-security-button-map
7022 gnus-callback gnus-mime-security-press-button
7023 gnus-line-format ,gnus-mime-security-button-line-format
7024 gnus-mime-details ,gnus-mime-security-button-pressed
7025 article-type annotation
7028 ;; Exclude a newline.
7031 (widget-convert-button
7034 :action 'gnus-widget-press-button
7035 :button-keymap gnus-mime-security-button-map
7037 (lambda (widget/window &optional overlay pos)
7038 ;; Needed to properly clear the message due to a bug in
7039 ;; wid-edit (XEmacs only).
7040 (when (boundp 'help-echo-owns-message)
7041 (setq help-echo-owns-message t))
7044 (aref gnus-mouse-2 0))))))
7046 (defun gnus-mime-display-security (handle)
7048 (narrow-to-region (point) (point))
7049 (unless (gnus-unbuttonized-mime-type-p (car handle))
7050 (gnus-insert-mime-security-button handle))
7051 (gnus-mime-display-mixed (cdr handle))
7054 (unless (gnus-unbuttonized-mime-type-p (car handle))
7055 (let ((gnus-mime-security-button-line-format
7056 gnus-mime-security-button-end-line-format))
7057 (gnus-insert-mime-security-button handle)))
7058 (mm-set-handle-multipart-parameter
7060 (cons (set-marker (make-marker) (point-min))
7061 (set-marker (make-marker) (point-max))))))
7067 (run-hooks 'gnus-art-load-hook)
7069 ;;; gnus-art.el ends here