1 ;;; gnus-art.el --- article mode commands for Semi-gnus
2 ;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
3 ;; Free Software Foundation, Inc.
5 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
6 ;; MORIOKA Tomohiko <morioka@jaist.ac.jp>
7 ;; Katsumi Yamaoka <yamaoka@jpl.org>
8 ;; Keywords: mail, news, MIME
10 ;; This file is part of GNU Emacs.
12 ;; GNU Emacs is free software; you can redistribute it and/or modify
13 ;; it under the terms of the GNU General Public License as published by
14 ;; the Free Software Foundation; either version 2, or (at your option)
17 ;; GNU Emacs is distributed in the hope that it will be useful,
18 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
19 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 ;; GNU General Public License for more details.
22 ;; You should have received a copy of the GNU General Public License
23 ;; along with GNU Emacs; see the file COPYING. If not, write to the
24 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
25 ;; Boston, MA 02111-1307, USA.
34 (defvar tool-bar-map))
44 (when (static-if (featurep 'xemacs)
45 (console-on-window-system-p)
47 (require 'mime-image))
50 ;; Avoid byte-compile warnings.
60 (autoload 'gnus-msg-mail "gnus-msg" nil t)
61 (autoload 'gnus-button-mailto "gnus-msg")
62 (autoload 'gnus-button-reply "gnus-msg" nil t)
63 (autoload 'ansi-color-apply-on-region "ansi-color")
65 (defgroup gnus-article nil
67 :link '(custom-manual "(gnus)Article Buffer")
70 (defgroup gnus-article-treat nil
71 "Treating article parts."
72 :link '(custom-manual "(gnus)Article Hiding")
75 (defgroup gnus-article-hiding nil
76 "Hiding article parts."
77 :link '(custom-manual "(gnus)Article Hiding")
80 (defgroup gnus-article-highlight nil
81 "Article highlighting."
82 :link '(custom-manual "(gnus)Article Highlighting")
86 (defgroup gnus-article-signature nil
88 :link '(custom-manual "(gnus)Article Signature")
91 (defgroup gnus-article-headers nil
93 :link '(custom-manual "(gnus)Hiding Headers")
96 (defgroup gnus-article-washing nil
97 "Special commands on articles."
98 :link '(custom-manual "(gnus)Article Washing")
101 (defgroup gnus-article-emphasis nil
102 "Fontisizing articles."
103 :link '(custom-manual "(gnus)Article Fontisizing")
104 :group 'gnus-article)
106 (defgroup gnus-article-saving nil
108 :link '(custom-manual "(gnus)Saving Articles")
109 :group 'gnus-article)
111 (defgroup gnus-article-mime nil
112 "Worshiping the MIME wonder."
113 :link '(custom-manual "(gnus)Using MIME")
114 :group 'gnus-article)
116 (defgroup gnus-article-buttons nil
117 "Pushable buttons in the article buffer."
118 :link '(custom-manual "(gnus)Article Buttons")
119 :group 'gnus-article)
121 (defgroup gnus-article-various nil
122 "Other article options."
123 :link '(custom-manual "(gnus)Misc Article")
124 :group 'gnus-article)
126 (defcustom gnus-ignored-headers
129 (concat "^" header ":"))
130 '("Path" "Expires" "Date-Received" "References" "Xref" "Lines"
131 "Relay-Version" "Message-ID" "Approved" "Sender" "Received"
132 "X-UIDL" "MIME-Version" "Return-Path" "In-Reply-To"
133 "Content-Type" "Content-Transfer-Encoding" "X-WebTV-Signature"
134 "X-MimeOLE" "X-MSMail-Priority" "X-Priority" "X-Loop"
135 "X-Authentication-Warning" "X-MIME-Autoconverted" "X-Face"
136 "X-Attribution" "X-Originating-IP" "Delivered-To"
137 "NNTP-[-A-Za-z]+" "Distribution" "X-no-archive" "X-Trace"
138 "X-Complaints-To" "X-NNTP-Posting-Host" "X-Orig.*"
139 "Abuse-Reports-To" "Cache-Post-Path" "X-Article-Creation-Date"
140 "X-Poster" "X-Mail2News-Path" "X-Server-Date" "X-Cache"
141 "Originator" "X-Problems-To" "X-Auth-User" "X-Post-Time"
142 "X-Admin" "X-UID" "Resent-[-A-Za-z]+" "X-Mailing-List"
143 "Precedence" "Original-[-A-Za-z]+" "X-filename" "X-Orcpt"
144 "Old-Received" "X-Pgp" "X-Auth" "X-From-Line"
145 "X-Gnus-Article-Number" "X-Majordomo" "X-Url" "X-Sender"
146 "MBOX-Line" "Priority" "X400-[-A-Za-z]+"
147 "Status" "X-Gnus-Mail-Source" "Cancel-Lock"
148 "X-FTN" "X-EXP32-SerialNo" "Encoding" "Importance"
149 "Autoforwarded" "Original-Encoded-Information-Types" "X-Ya-Pop3"
150 "X-Face-Version" "X-Vms-To" "X-ML-NAME" "X-ML-COUNT"
151 "Mailing-List" "X-finfo" "X-md5sum" "X-md5sum-Origin"
152 "X-Sun-Charset" "X-Accept-Language" "X-Envelope-Sender"
153 "List-[A-Za-z]+" "X-Listprocessor-Version"
154 "X-Received" "X-Distribute" "X-Sequence" "X-Juno-Line-Breaks"
155 "X-Notes-Item" "X-MS-TNEF-Correlator" "x-uunet-gateway"
156 "X-Received" "Content-length" "X-precedence"
157 "X-Authenticated-User" "X-Comment" "X-Report" "X-Abuse-Info"
158 "X-HTTP-Proxy" "X-Mydeja-Info" "X-Copyright" "X-No-Markup"
159 "X-Abuse-Info" "X-From_" "X-Accept-Language" "Errors-To"
160 "X-BeenThere" "X-Mailman-Version" "List-Help" "List-Post"
161 "List-Subscribe" "List-Id" "List-Unsubscribe" "List-Archive"
162 "X-Content-length" "X-Posting-Agent" "Original-Received"
163 "X-Request-PGP" "X-Fingerprint" "X-WRIEnvto" "X-WRIEnvfrom"
164 "X-Virus-Scanned" "X-Delivery-Agent" "Posted-Date" "X-Gateway"
165 "X-Local-Origin" "X-Local-Destination" "X-UserInfo1"
166 "X-Received-Date" "X-Hashcash" "Face" "X-DMCA-Notifications"
167 "X-Abuse-and-DMCA-Info" "X-Postfilter" "X-Gpg-.*" "X-Disclaimer"))
168 "*All headers that start with this regexp will be hidden.
169 This variable can also be a list of regexps of headers to be ignored.
170 If `gnus-visible-headers' is non-nil, this variable will be ignored."
171 :type '(choice :custom-show nil
174 :group 'gnus-article-hiding)
176 (defcustom gnus-visible-headers
177 "^From:\\|^Newsgroups:\\|^Subject:\\|^Date:\\|^Followup-To:\\|^Reply-To:\\|^Organization:\\|^Summary:\\|^Keywords:\\|^To:\\|^[BGF]?Cc:\\|^Posted-To:\\|^Mail-Copies-To:\\|^Mail-Followup-To:\\|^Apparently-To:\\|^Gnus-Warning:\\|^Resent-From:\\|^X-Sent:"
178 "*All headers that do not match this regexp will be hidden.
179 This variable can also be a list of regexp of headers to remain visible.
180 If this variable is non-nil, `gnus-ignored-headers' will be ignored."
181 :type '(repeat :value-to-internal (lambda (widget value)
182 (custom-split-regexp-maybe value))
183 :match (lambda (widget value)
185 (widget-editable-list-match widget value)))
187 :group 'gnus-article-hiding)
189 (defcustom gnus-sorted-header-list
190 '("^From:" "^Subject:" "^Summary:" "^Keywords:" "^Newsgroups:"
191 "^Followup-To:" "^To:" "^Cc:" "^Date:" "^Organization:")
192 "*This variable is a list of regular expressions.
193 If it is non-nil, headers that match the regular expressions will
194 be placed first in the article buffer in the sequence specified by
196 :type '(repeat regexp)
197 :group 'gnus-article-hiding)
199 (defcustom gnus-boring-article-headers '(empty followup-to reply-to)
200 "Headers that are only to be displayed if they have interesting data.
201 Possible values in this list are:
203 'empty Headers with no content.
204 'newsgroups Newsgroup identical to Gnus group.
205 'to-address To identical to To-address.
206 'to-list To identical to To-list.
207 'cc-list CC identical to To-list.
208 'followup-to Followup-to identical to Newsgroups.
209 'reply-to Reply-to identical to From.
210 'date Date less than four days old.
211 'long-to To and/or Cc longer than 1024 characters.
212 'many-to Multiple To and/or Cc."
213 :type '(set (const :tag "Headers with no content." empty)
214 (const :tag "Newsgroups identical to Gnus group." newsgroups)
215 (const :tag "To identical to To-address." to-address)
216 (const :tag "To identical to To-list." to-list)
217 (const :tag "CC identical to To-list." cc-list)
218 (const :tag "Followup-to identical to Newsgroups." followup-to)
219 (const :tag "Reply-to identical to From." reply-to)
220 (const :tag "Date less than four days old." date)
221 (const :tag "To and/or Cc longer than 1024 characters." long-to)
222 (const :tag "Multiple To and/or Cc headers." many-to))
223 :group 'gnus-article-hiding)
225 (defcustom gnus-article-skip-boring nil
226 "Skip over text that is not worth reading.
227 By default, if you set this t, then Gnus will display citations and
228 signatures, but will never scroll down to show you a page consisting
229 only of boring text. Boring text is controlled by
230 `gnus-article-boring-faces'."
232 :group 'gnus-article-hiding)
234 (defcustom gnus-signature-separator '("^-- $" "^-- *$")
235 "Regexp matching signature separator.
236 This can also be a list of regexps. In that case, it will be checked
237 from head to tail looking for a separator. Searches will be done from
238 the end of the buffer."
239 :type '(repeat string)
240 :group 'gnus-article-signature)
242 (defcustom gnus-signature-limit nil
243 "Provide a limit to what is considered a signature.
244 If it is a number, no signature may not be longer (in characters) than
245 that number. If it is a floating point number, no signature may be
246 longer (in lines) than that number. If it is a function, the function
247 will be called without any parameters, and if it returns nil, there is
248 no signature in the buffer. If it is a string, it will be used as a
249 regexp. If it matches, the text in question is not a signature.
251 This can also be a list of the above values."
252 :type '(choice (integer :value 200)
254 (function :value fun)
255 (regexp :value ".*"))
256 :group 'gnus-article-signature)
258 (defcustom gnus-hidden-properties '(invisible t intangible t)
259 "Property list to use for hiding text."
261 :group 'gnus-article-hiding)
263 ;; Fixme: This isn't the right thing for mixed graphical and non-graphical
264 ;; frames in a session.
265 (defcustom gnus-article-x-face-command
270 (if (or (gnus-image-type-available-p 'xface)
271 (gnus-image-type-available-p 'pbm))
272 'gnus-display-x-face-in-from
273 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | ee -"))
274 ((and (fboundp 'image-type-available-p)
275 (module-installed-p 'x-face-e21))
276 'x-face-decode-message-header)
277 ((gnus-image-type-available-p 'pbm)
278 'gnus-display-x-face-in-from)
280 (module-installed-p 'x-face-mule))
281 'x-face-mule-gnus-article-display-x-face)
283 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | \
285 "*String or function to be executed to display an X-Face header.
286 If it is a string, the command will be executed in a sub-shell
287 asynchronously. The compressed face will be piped to this command."
289 ,@(let (x-face-e21 x-face-mule)
290 (if (featurep 'xemacs)
292 (setq x-face-e21 (module-installed-p 'x-face-e21)
293 x-face-mule (module-installed-p 'x-face-mule)))
297 (if (or (gnus-image-type-available-p 'xface)
298 (gnus-image-type-available-p 'pbm))
299 '(function-item gnus-display-x-face-in-from))
301 (fboundp 'image-type-available-p))
303 :tag "x-face-decode-message-header (x-face-e21)"
304 x-face-decode-message-header))
307 x-face-mule-gnus-article-display-x-face))
311 :group 'gnus-article-washing)
313 (defcustom gnus-article-x-face-too-ugly nil
314 "Regexp matching posters whose face shouldn't be shown automatically."
315 :type '(choice regexp (const nil))
316 :group 'gnus-article-washing)
318 (defcustom gnus-article-banner-alist nil
319 "Banner alist for stripping.
321 ((egroups . \"^[ \\t\\n]*-------------------+\\\\( \\\\(e\\\\|Yahoo! \\\\)Groups Sponsor -+\\\\)?....\\n\\\\(.+\\n\\\\)+\"))"
323 :type '(repeat (cons symbol regexp))
324 :group 'gnus-article-washing)
326 (gnus-define-group-parameter
329 "Alist of regexps (to match group names) and banner."
330 :variable-group gnus-article-washing
332 '(choice :tag "Banner"
334 (const :tag "Remove signature" signature)
335 (symbol :tag "Item in `gnus-article-banner-alist'" none)
337 (const :tag "None" nil))
339 "If non-nil, specify how to remove `banners' from articles.
341 Symbol `signature' means to remove signatures delimited by
342 `gnus-signature-separator'. Any other symbol is used to look up a
343 regular expression to match the banner in `gnus-article-banner-alist'.
344 A string is used as a regular expression to match the banner
347 (defcustom gnus-article-address-banner-alist nil
348 "Alist of mail addresses and banners.
349 Each element has the form (ADDRESS . BANNER), where ADDRESS is a regexp
350 to match a mail address in the From: header, BANNER is one of a symbol
351 `signature', an item in `gnus-article-banner-alist', a regexp and nil.
352 If ADDRESS matches author's mail address, it will remove things like
353 advertisements. For example:
355 \((\"@yoo-hoo\\\\.co\\\\.jp\\\\'\" . \"\\n_+\\nDo You Yoo-hoo!\\\\?\\n.*\\n.*\\n\"))
359 (regexp :tag "Address")
360 (choice :tag "Banner" :value nil
361 (const :tag "Remove signature" signature)
362 (symbol :tag "Item in `gnus-article-banner-alist'" none)
364 (const :tag "None" nil))))
365 :group 'gnus-article-washing)
367 (defcustom gnus-emphasis-alist
369 "\\(\\s-\\|^\\|\\=\\|[-\"]\\|\\s(\\)\\(%s\\(\\w+\\(\\s-+\\w+\\)*[.,]?\\)%s\\)\\(\\([-,.;:!?\"]\\|\\s)\\)+\\s-\\|[?!.]\\s-\\|\\s)\\|\\s-\\)")
374 ("_/" "/_" underline-italic)
375 ("_\\*" "\\*_" underline-bold)
376 ("\\*/" "/\\*" bold-italic)
377 ("_\\*/" "/\\*_" underline-bold-italic))))
381 (format format (car spec) (car (cdr spec)))
382 2 3 (intern (format "gnus-emphasis-%s" (nth 2 spec)))))
384 ("\\(\\s-\\|^\\)\\(_\\(\\(\\w\\|_[^_]\\)+\\)_\\)\\(\\s-\\|[?!.,;]\\)"
385 2 3 gnus-emphasis-underline)))
386 "*Alist that says how to fontify certain phrases.
387 Each item looks like this:
389 (\"_\\\\(\\\\w+\\\\)_\" 0 1 'underline)
391 The first element is a regular expression to be matched. The second
392 is a number that says what regular expression grouping used to find
393 the entire emphasized word. The third is a number that says what
394 regexp grouping should be displayed and highlighted. The fourth
395 is the face used for highlighting."
396 :type '(repeat (list :value ("" 0 0 default)
398 (integer :tag "Match group")
399 (integer :tag "Emphasize group")
401 :group 'gnus-article-emphasis)
403 (defcustom gnus-emphasize-whitespace-regexp "^[ \t]+\\|[ \t]*\n"
404 "A regexp to describe whitespace which should not be emphasized.
405 Typical values are \"^[ \\t]+\\\\|[ \\t]*\\n\" and \"[ \\t]+\\\\|[ \\t]*\\n\".
406 The former avoids underlining of leading and trailing whitespace,
407 and the latter avoids underlining any whitespace at all."
409 :group 'gnus-article-emphasis
412 (defface gnus-emphasis-bold '((t (:bold t)))
413 "Face used for displaying strong emphasized text (*word*)."
414 :group 'gnus-article-emphasis)
416 (defface gnus-emphasis-italic '((t (:italic t)))
417 "Face used for displaying italic emphasized text (/word/)."
418 :group 'gnus-article-emphasis)
420 (defface gnus-emphasis-underline '((t (:underline t)))
421 "Face used for displaying underlined emphasized text (_word_)."
422 :group 'gnus-article-emphasis)
424 (defface gnus-emphasis-underline-bold '((t (:bold t :underline t)))
425 "Face used for displaying underlined bold emphasized text (_*word*_)."
426 :group 'gnus-article-emphasis)
428 (defface gnus-emphasis-underline-italic '((t (:italic t :underline t)))
429 "Face used for displaying underlined italic emphasized text (_/word/_)."
430 :group 'gnus-article-emphasis)
432 (defface gnus-emphasis-bold-italic '((t (:bold t :italic t)))
433 "Face used for displaying bold italic emphasized text (/*word*/)."
434 :group 'gnus-article-emphasis)
436 (defface gnus-emphasis-underline-bold-italic
437 '((t (:bold t :italic t :underline t)))
438 "Face used for displaying underlined bold italic emphasized text.
439 Example: (_/*word*/_)."
440 :group 'gnus-article-emphasis)
442 (defface gnus-emphasis-strikethru (if (featurep 'xemacs)
443 '((t (:strikethru t)))
444 '((t (:strike-through t))))
445 "Face used for displaying strike-through text (-word-)."
446 :group 'gnus-article-emphasis)
448 (defface gnus-emphasis-highlight-words
449 '((t (:background "black" :foreground "yellow")))
450 "Face used for displaying highlighted words."
451 :group 'gnus-article-emphasis)
453 (defcustom gnus-article-time-format "%a, %b %d %Y %T %Z"
454 "Format for display of Date headers in article bodies.
455 See `format-time-string' for the possible values.
457 The variable can also be function, which should return a complete Date
458 header. The function is called with one argument, the time, which can
459 be fed to `format-time-string'."
460 :type '(choice string symbol)
461 :link '(custom-manual "(gnus)Article Date")
462 :group 'gnus-article-washing)
465 (autoload 'mail-extract-address-components "mail-extr"))
467 (defcustom gnus-save-all-headers t
468 "*If non-nil, don't remove any headers before saving."
469 :group 'gnus-article-saving
472 (defcustom gnus-prompt-before-saving 'always
473 "*This variable says how much prompting is to be done when saving articles.
474 If it is nil, no prompting will be done, and the articles will be
475 saved to the default files. If this variable is `always', each and
476 every article that is saved will be preceded by a prompt, even when
477 saving large batches of articles. If this variable is neither nil not
478 `always', there the user will be prompted once for a file name for
479 each invocation of the saving commands."
480 :group 'gnus-article-saving
481 :type '(choice (item always)
482 (item :tag "never" nil)
483 (sexp :tag "once" :format "%t\n" :value t)))
485 (defcustom gnus-saved-headers gnus-visible-headers
486 "Headers to keep if `gnus-save-all-headers' is nil.
487 If `gnus-save-all-headers' is non-nil, this variable will be ignored.
488 If that variable is nil, however, all headers that match this regexp
489 will be kept while the rest will be deleted before saving."
490 :group 'gnus-article-saving
493 (defcustom gnus-default-article-saver 'gnus-summary-save-in-rmail
494 "A function to save articles in your favourite format.
495 The function must be interactively callable (in other words, it must
496 be an Emacs command).
498 Gnus provides the following functions:
500 * gnus-summary-save-in-rmail (Rmail format)
501 * gnus-summary-save-in-mail (Unix mail format)
502 * gnus-summary-save-in-folder (MH folder)
503 * gnus-summary-save-in-file (article format)
504 * gnus-summary-save-body-in-file (article body)
505 * gnus-summary-save-in-vm (use VM's folder format)
506 * gnus-summary-write-to-file (article format -- overwrite)."
507 :group 'gnus-article-saving
508 :type '(radio (function-item gnus-summary-save-in-rmail)
509 (function-item gnus-summary-save-in-mail)
510 (function-item gnus-summary-save-in-folder)
511 (function-item gnus-summary-save-in-file)
512 (function-item gnus-summary-save-body-in-file)
513 (function-item gnus-summary-save-in-vm)
514 (function-item gnus-summary-write-to-file)))
516 (defcustom gnus-rmail-save-name 'gnus-plain-save-name
517 "A function generating a file name to save articles in Rmail format.
518 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
519 :group 'gnus-article-saving
522 (defcustom gnus-mail-save-name 'gnus-plain-save-name
523 "A function generating a file name to save articles in Unix mail format.
524 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
525 :group 'gnus-article-saving
528 (defcustom gnus-folder-save-name 'gnus-folder-save-name
529 "A function generating a file name to save articles in MH folder.
530 The function is called with NEWSGROUP, HEADERS, and optional LAST-FOLDER."
531 :group 'gnus-article-saving
534 (defcustom gnus-file-save-name 'gnus-numeric-save-name
535 "A function generating a file name to save articles in article format.
536 The function is called with NEWSGROUP, HEADERS, and optional
538 :group 'gnus-article-saving
541 (defcustom gnus-split-methods
542 '((gnus-article-archive-name)
543 (gnus-article-nndoc-name))
544 "*Variable used to suggest where articles are to be saved.
545 For instance, if you would like to save articles related to Gnus in
546 the file \"gnus-stuff\", and articles related to VM in \"vm-stuff\",
547 you could set this variable to something like:
549 '((\"^Subject:.*gnus\\|^Newsgroups:.*gnus\" \"gnus-stuff\")
550 (\"^Subject:.*vm\\|^Xref:.*vm\" \"vm-stuff\"))
552 This variable is an alist where the where the key is the match and the
553 value is a list of possible files to save in if the match is non-nil.
555 If the match is a string, it is used as a regexp match on the
556 article. If the match is a symbol, that symbol will be funcalled
557 from the buffer of the article to be saved with the newsgroup as the
558 parameter. If it is a list, it will be evaled in the same buffer.
560 If this form or function returns a string, this string will be used as
561 a possible file name; and if it returns a non-nil list, that list will
562 be used as possible file names."
563 :group 'gnus-article-saving
564 :type '(repeat (choice (list :value (fun) function)
565 (cons :value ("" "") regexp (repeat string))
568 (defcustom gnus-article-display-method-for-mime
569 'gnus-article-display-mime-message
570 "Function to display a MIME message.
571 The function is called from the article buffer."
572 :group 'gnus-article-mime
575 (defcustom gnus-article-display-method-for-traditional
576 'gnus-article-display-traditional-message
577 "*Function to display a traditional message.
578 The function is called from the article buffer."
579 :group 'gnus-article-mime
582 (defcustom gnus-page-delimiter "^\^L"
583 "*Regexp describing what to use as article page delimiters.
584 The default value is \"^\^L\", which is a form linefeed at the
585 beginning of a line."
587 :group 'gnus-article-various)
589 (defcustom gnus-article-mode-line-format "Gnus: %g [%w] %S%m"
590 "*The format specification for the article mode line.
591 See `gnus-summary-mode-line-format' for a closer description.
593 The following additional specs are available:
595 %w The article washing status.
596 %m The number of MIME parts in the article."
598 :group 'gnus-article-various)
600 (defcustom gnus-article-mode-hook nil
601 "*A hook for Gnus article mode."
603 :group 'gnus-article-various)
605 (when (featurep 'xemacs)
606 ;; Extracted from gnus-xmas-define in order to preserve user settings
607 (when (fboundp 'turn-off-scroll-in-place)
608 (add-hook 'gnus-article-mode-hook 'turn-off-scroll-in-place))
609 ;; Extracted from gnus-xmas-redefine in order to preserve user settings
610 (add-hook 'gnus-article-mode-hook 'gnus-xmas-article-menu-add))
612 (defcustom gnus-article-menu-hook nil
613 "*Hook run after the creation of the article mode menu."
615 :group 'gnus-article-various)
617 (defcustom gnus-article-prepare-hook nil
618 "*A hook called after an article has been prepared in the article buffer."
620 :group 'gnus-article-various)
622 (make-obsolete-variable 'gnus-article-hide-pgp-hook
623 "This variable is obsolete in Gnus 5.10.")
625 (defcustom gnus-article-button-face 'bold
626 "Face used for highlighting buttons in the article buffer.
628 An article button is a piece of text that you can activate by pressing
629 `RET' or `mouse-2' above it."
631 :group 'gnus-article-buttons)
633 (defcustom gnus-article-mouse-face 'highlight
634 "Face used for mouse highlighting in the article buffer.
636 Article buttons will be displayed in this face when the cursor is
639 :group 'gnus-article-buttons)
641 (defcustom gnus-signature-face 'gnus-signature-face
642 "Face used for highlighting a signature in the article buffer.
643 Obsolete; use the face `gnus-signature-face' for customizations instead."
645 :group 'gnus-article-highlight
646 :group 'gnus-article-signature)
648 (defface gnus-signature-face
651 "Face used for highlighting a signature in the article buffer."
652 :group 'gnus-article-highlight
653 :group 'gnus-article-signature)
655 (defface gnus-header-from-face
658 (:foreground "spring green"))
661 (:foreground "red3"))
664 "Face used for displaying from headers."
665 :group 'gnus-article-headers
666 :group 'gnus-article-highlight)
668 (defface gnus-header-subject-face
671 (:foreground "SeaGreen3"))
674 (:foreground "red4"))
676 (:bold t :italic t)))
677 "Face used for displaying subject headers."
678 :group 'gnus-article-headers
679 :group 'gnus-article-highlight)
681 (defface gnus-header-newsgroups-face
684 (:foreground "yellow" :italic t))
687 (:foreground "MidnightBlue" :italic t))
690 "Face used for displaying newsgroups headers.
691 In the default setup this face is only used for crossposted
693 :group 'gnus-article-headers
694 :group 'gnus-article-highlight)
696 (defface gnus-header-name-face
699 (:foreground "SeaGreen"))
702 (:foreground "maroon"))
705 "Face used for displaying header names."
706 :group 'gnus-article-headers
707 :group 'gnus-article-highlight)
709 (defface gnus-header-content-face
712 (:foreground "forest green" :italic t))
715 (:foreground "indianred4" :italic t))
718 "Face used for displaying header content."
719 :group 'gnus-article-headers
720 :group 'gnus-article-highlight)
722 (defcustom gnus-header-face-alist
723 '(("From" nil gnus-header-from-face)
724 ("Subject" nil gnus-header-subject-face)
725 ("Newsgroups:.*," nil gnus-header-newsgroups-face)
726 ("" gnus-header-name-face gnus-header-content-face))
727 "*Controls highlighting of article headers.
729 An alist of the form (HEADER NAME CONTENT).
731 HEADER is a regular expression which should match the name of a
732 header and NAME and CONTENT are either face names or nil.
734 The name of each header field will be displayed using the face
735 specified by the first element in the list where HEADER matches
736 the header name and NAME is non-nil. Similarly, the content will
737 be displayed by the first non-nil matching CONTENT face."
738 :group 'gnus-article-headers
739 :group 'gnus-article-highlight
740 :type '(repeat (list (regexp :tag "Header")
742 (item :tag "skip" nil)
743 (face :value default))
744 (choice :tag "Content"
745 (item :tag "skip" nil)
746 (face :value default)))))
748 (defcustom gnus-article-decode-hook
749 '(article-decode-group-name article-decode-idna-rhs)
750 "*Hook run to decode charsets in articles."
751 :group 'gnus-article-headers
754 (defcustom gnus-display-mime-function 'gnus-display-mime
755 "Function to display MIME articles."
756 :group 'gnus-article-mime
759 (defvar gnus-decode-header-function 'mail-decode-encoded-word-region
760 "Function used to decode headers.")
762 (defvar gnus-article-dumbquotes-map
782 "Table for MS-to-Latin1 translation.")
784 (defcustom gnus-ignored-mime-types nil
785 "List of MIME types that should be ignored by Gnus."
787 :group 'gnus-article-mime
788 :type '(repeat regexp))
790 (defcustom gnus-unbuttonized-mime-types '(".*/.*")
791 "List of MIME types that should not be given buttons when rendered inline.
792 See also `gnus-buttonized-mime-types' which may override this variable.
793 This variable is only used when `gnus-inhibit-mime-unbuttonizing' is nil."
795 :group 'gnus-article-mime
796 :type '(repeat regexp))
798 (defcustom gnus-buttonized-mime-types nil
799 "List of MIME types that should be given buttons when rendered inline.
800 If set, this variable overrides `gnus-unbuttonized-mime-types'.
801 To see e.g. security buttons you could set this to
802 `(\"multipart/signed\")'.
803 This variable is only used when `gnus-inhibit-mime-unbuttonizing' is nil."
805 :group 'gnus-article-mime
806 :type '(repeat regexp))
808 (defcustom gnus-inhibit-mime-unbuttonizing nil
809 "If non-nil, all MIME parts get buttons.
810 When nil (the default value), then some MIME parts do not get buttons,
811 as described by the variables `gnus-buttonized-mime-types' and
812 `gnus-unbuttonized-mime-types'."
814 :group 'gnus-article-mime
817 (defcustom gnus-body-boundary-delimiter "_"
818 "String used to delimit header and body.
819 This variable is used by `gnus-article-treat-body-boundary' which can
820 be controlled by `gnus-treat-body-boundary'."
821 :group 'gnus-article-various
822 :type '(choice (item :tag "None" :value nil)
825 (defcustom gnus-picon-databases '("/usr/lib/picon" "/usr/local/faces"
827 "Defines the location of the faces database.
828 For information on obtaining this database of pretty pictures, please
829 see http://www.cs.indiana.edu/picons/ftp/index.html"
830 :type '(repeat directory)
831 :link '(url-link :tag "download"
832 "http://www.cs.indiana.edu/picons/ftp/index.html")
833 :link '(custom-manual "(gnus)Picons")
836 (defun gnus-picons-installed-p ()
837 "Say whether picons are installed on your machine."
838 (let ((installed nil))
839 (dolist (database gnus-picon-databases)
840 (when (file-exists-p database)
844 (defcustom gnus-article-mime-part-function nil
845 "Function called with a MIME handle as the argument.
846 This is meant for people who want to do something automatic based
847 on parts -- for instance, adding Vcard info to a database."
848 :group 'gnus-article-mime
851 (defcustom gnus-mime-multipart-functions nil
852 "An alist of MIME types to functions to display them."
854 :group 'gnus-article-mime
855 :type '(repeat (cons :format "%v" (string :tag "MIME type") function)))
857 (defcustom gnus-article-date-lapsed-new-header nil
858 "Whether the X-Sent and Date headers can coexist.
859 When using `gnus-treat-date-lapsed', the \"X-Sent:\" header will
860 either replace the old \"Date:\" header (if this variable is nil), or
861 be added below it (otherwise)."
863 :group 'gnus-article-headers
866 (defcustom gnus-article-mime-match-handle-function 'undisplayed-alternative
867 "Function called with a MIME handle as the argument.
868 This is meant for people who want to view first matched part.
869 For `undisplayed-alternative' (default), the first undisplayed
870 part or alternative part is used. For `undisplayed', the first
871 undisplayed part is used. For a function, the first part which
872 the function return t is used. For nil, the first part is
875 :group 'gnus-article-mime
877 (item :tag "first" :value nil)
878 (item :tag "undisplayed" :value undisplayed)
879 (item :tag "undisplayed or alternative"
880 :value undisplayed-alternative)
883 (defcustom gnus-mime-action-alist
884 '(("save to file" . gnus-mime-save-part)
885 ("save and strip" . gnus-mime-save-part-and-strip)
886 ("delete part" . gnus-mime-delete-part)
887 ("display as text" . gnus-mime-inline-part)
888 ("view the part" . gnus-mime-view-part)
889 ("pipe to command" . gnus-mime-pipe-part)
890 ("toggle display" . gnus-article-press-button)
891 ("toggle display" . gnus-article-view-part-as-charset)
892 ("view as type" . gnus-mime-view-part-as-type)
893 ("view internally" . gnus-mime-view-part-internally)
894 ("view externally" . gnus-mime-view-part-externally))
895 "An alist of actions that run on the MIME attachment."
896 :group 'gnus-article-mime
897 :type '(repeat (cons (string :tag "name")
901 ;;; The treatment variables
904 (defvar gnus-part-display-hook nil
905 "Hook called on parts that are to receive treatment.")
907 (defvar gnus-article-treat-custom
908 '(choice (const :tag "Off" nil)
910 (const :tag "Header" head)
911 (const :tag "Last" last)
912 (const :tag "Mime" mime)
913 (integer :tag "Less")
914 (repeat :tag "Groups" regexp)
915 (sexp :tag "Predicate")))
917 (defvar gnus-article-treat-head-custom
918 '(choice (const :tag "Off" nil)
919 (const :tag "Header" head)))
921 (defvar gnus-article-treat-types '("text/plain")
924 (defvar gnus-inhibit-treatment nil
925 "Whether to inhibit treatment.")
927 (defcustom gnus-treat-highlight-signature '(or t (typep "text/x-vcard"))
928 "Highlight the signature.
929 Valid values are nil, t, `head', `last', an integer or a predicate.
930 See Info node `(gnus)Customizing Articles'."
931 :group 'gnus-article-treat
932 :link '(custom-manual "(gnus)Customizing Articles")
933 :type gnus-article-treat-custom)
934 (put 'gnus-treat-highlight-signature 'highlight t)
936 (defcustom gnus-treat-buttonize 100000
938 Valid values are nil, t, `head', `last', an integer or a predicate.
939 See Info node `(gnus)Customizing Articles'."
940 :group 'gnus-article-treat
941 :link '(custom-manual "(gnus)Customizing Articles")
942 :type gnus-article-treat-custom)
943 (put 'gnus-treat-buttonize 'highlight t)
945 (defcustom gnus-treat-buttonize-head 'head
946 "Add buttons to the head.
947 Valid values are nil, t, `head', `last', an integer or a predicate.
948 See Info node `(gnus)Customizing Articles' for details."
949 :group 'gnus-article-treat
950 :link '(custom-manual "(gnus)Customizing Articles")
951 :type gnus-article-treat-head-custom)
952 (put 'gnus-treat-buttonize-head 'highlight t)
954 (defcustom gnus-treat-emphasize
955 (and (or window-system
959 Valid values are nil, t, `head', `last', an integer or a predicate.
960 See Info node `(gnus)Customizing Articles' for details."
961 :group 'gnus-article-treat
962 :link '(custom-manual "(gnus)Customizing Articles")
963 :type gnus-article-treat-custom)
964 (put 'gnus-treat-emphasize 'highlight t)
966 (defcustom gnus-treat-strip-cr nil
967 "Remove carriage returns.
968 Valid values are nil, t, `head', `last', an integer or a predicate.
969 See Info node `(gnus)Customizing Articles' for details."
970 :group 'gnus-article-treat
971 :link '(custom-manual "(gnus)Customizing Articles")
972 :type gnus-article-treat-custom)
974 (defcustom gnus-treat-unsplit-urls nil
975 "Remove newlines from within URLs.
976 Valid values are nil, t, `head', `last', an integer or a predicate.
977 See Info node `(gnus)Customizing Articles' for details."
978 :group 'gnus-article-treat
979 :link '(custom-manual "(gnus)Customizing Articles")
980 :type gnus-article-treat-custom)
982 (defcustom gnus-treat-leading-whitespace nil
983 "Remove leading whitespace in headers.
984 Valid values are nil, t, `head', `last', an integer or a predicate.
985 See Info node `(gnus)Customizing Articles' for details."
986 :group 'gnus-article-treat
987 :link '(custom-manual "(gnus)Customizing Articles")
988 :type gnus-article-treat-custom)
990 (defcustom gnus-treat-hide-headers 'head
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-head-custom)
998 (defcustom gnus-treat-hide-boring-headers nil
999 "Hide boring headers.
1000 Valid values are nil, t, `head', `last', an integer or a predicate.
1001 See Info node `(gnus)Customizing Articles' for details."
1002 :group 'gnus-article-treat
1003 :link '(custom-manual "(gnus)Customizing Articles")
1004 :type gnus-article-treat-head-custom)
1006 (defcustom gnus-treat-hide-signature nil
1007 "Hide the signature.
1008 Valid values are nil, t, `head', `last', an integer or a predicate.
1009 See Info node `(gnus)Customizing Articles' for details."
1010 :group 'gnus-article-treat
1011 :link '(custom-manual "(gnus)Customizing Articles")
1012 :type gnus-article-treat-custom)
1014 (defcustom gnus-treat-fill-article nil
1016 Valid values are nil, t, `head', `last', an integer or a predicate.
1017 See Info node `(gnus)Customizing Articles' for details."
1018 :group 'gnus-article-treat
1019 :link '(custom-manual "(gnus)Customizing Articles")
1020 :type gnus-article-treat-custom)
1022 (defcustom gnus-treat-hide-citation nil
1024 Valid values are nil, t, `head', `last', an integer or a predicate.
1025 See Info node `(gnus)Customizing Articles' for details."
1026 :group 'gnus-article-treat
1027 :link '(custom-manual "(gnus)Customizing Articles")
1028 :type gnus-article-treat-custom)
1030 (defcustom gnus-treat-hide-citation-maybe nil
1032 Valid values are nil, t, `head', `last', an integer or a predicate.
1033 See Info node `(gnus)Customizing Articles' for details."
1034 :group 'gnus-article-treat
1035 :link '(custom-manual "(gnus)Customizing Articles")
1036 :type gnus-article-treat-custom)
1038 (defcustom gnus-treat-strip-list-identifiers 'head
1039 "Strip list identifiers from `gnus-list-identifiers`.
1040 Valid values are nil, t, `head', `last', an integer or a predicate.
1041 See Info node `(gnus)Customizing Articles' for details."
1043 :group 'gnus-article-treat
1044 :link '(custom-manual "(gnus)Customizing Articles")
1045 :type gnus-article-treat-custom)
1047 (make-obsolete-variable 'gnus-treat-strip-pgp
1048 "This option is obsolete in Gnus 5.10.")
1050 (defcustom gnus-treat-strip-pem nil
1051 "Strip PEM signatures.
1052 Valid values are nil, t, `head', `last', an integer or a predicate.
1053 See Info node `(gnus)Customizing Articles' for details."
1054 :group 'gnus-article-treat
1055 :link '(custom-manual "(gnus)Customizing Articles")
1056 :type gnus-article-treat-custom)
1058 (defcustom gnus-treat-strip-banner t
1059 "Strip banners from articles.
1060 The banner to be stripped is specified in the `banner' group parameter.
1061 Valid values are nil, t, `head', `last', an integer or a predicate.
1062 See Info node `(gnus)Customizing Articles' for details."
1063 :group 'gnus-article-treat
1064 :link '(custom-manual "(gnus)Customizing Articles")
1065 :type gnus-article-treat-custom)
1067 (defcustom gnus-treat-highlight-headers 'head
1068 "Highlight the headers.
1069 Valid values are nil, t, `head', `last', an integer or a predicate.
1070 See Info node `(gnus)Customizing Articles' for details."
1071 :group 'gnus-article-treat
1072 :link '(custom-manual "(gnus)Customizing Articles")
1073 :type gnus-article-treat-head-custom)
1074 (put 'gnus-treat-highlight-headers 'highlight t)
1076 (defcustom gnus-treat-highlight-citation t
1077 "Highlight cited text.
1078 Valid values are nil, t, `head', `last', an integer or a predicate.
1079 See Info node `(gnus)Customizing Articles' for details."
1080 :group 'gnus-article-treat
1081 :link '(custom-manual "(gnus)Customizing Articles")
1082 :type gnus-article-treat-custom)
1083 (put 'gnus-treat-highlight-citation 'highlight t)
1085 (defcustom gnus-treat-date-ut nil
1086 "Display the Date in UT (GMT).
1087 Valid values are nil, t, `head', `last', an integer or a predicate.
1088 See Info node `(gnus)Customizing Articles' for details."
1089 :group 'gnus-article-treat
1090 :link '(custom-manual "(gnus)Customizing Articles")
1091 :type gnus-article-treat-head-custom)
1093 (defcustom gnus-treat-date-local nil
1094 "Display the Date in the local timezone.
1095 Valid values are nil, t, `head', `last', an integer or a predicate.
1096 See Info node `(gnus)Customizing Articles' for details."
1097 :group 'gnus-article-treat
1098 :link '(custom-manual "(gnus)Customizing Articles")
1099 :type gnus-article-treat-head-custom)
1101 (defcustom gnus-treat-date-english nil
1102 "Display the Date in a format that can be read aloud in English.
1103 Valid values are nil, t, `head', `last', an integer or a predicate.
1104 See Info node `(gnus)Customizing Articles' for details."
1105 :group 'gnus-article-treat
1106 :link '(custom-manual "(gnus)Customizing Articles")
1107 :type gnus-article-treat-head-custom)
1109 (defcustom gnus-treat-date-lapsed nil
1110 "Display the Date header in a way that says how much time has elapsed.
1111 Valid values are nil, t, `head', `last', an integer or a predicate.
1112 See Info node `(gnus)Customizing Articles' for details."
1113 :group 'gnus-article-treat
1114 :link '(custom-manual "(gnus)Customizing Articles")
1115 :type gnus-article-treat-head-custom)
1117 (defcustom gnus-treat-date-original nil
1118 "Display the date in the original timezone.
1119 Valid values are nil, t, `head', `last', an integer or a predicate.
1120 See Info node `(gnus)Customizing Articles' for details."
1121 :group 'gnus-article-treat
1122 :link '(custom-manual "(gnus)Customizing Articles")
1123 :type gnus-article-treat-head-custom)
1125 (defcustom gnus-treat-date-iso8601 nil
1126 "Display the date in the ISO8601 format.
1127 Valid values are nil, t, `head', `last', an integer or a predicate.
1128 See Info node `(gnus)Customizing Articles' for details."
1130 :group 'gnus-article-treat
1131 :link '(custom-manual "(gnus)Customizing Articles")
1132 :type gnus-article-treat-head-custom)
1134 (defcustom gnus-treat-date-user-defined nil
1135 "Display the date in a user-defined format.
1136 The format is defined by the `gnus-article-time-format' variable.
1137 Valid values are nil, t, `head', `last', an integer or a predicate.
1138 See Info node `(gnus)Customizing Articles' for details."
1139 :group 'gnus-article-treat
1140 :link '(custom-manual "(gnus)Customizing Articles")
1141 :type gnus-article-treat-head-custom)
1143 (defcustom gnus-treat-strip-headers-in-body t
1144 "Strip the X-No-Archive header line from the beginning of the body.
1145 Valid values are nil, t, `head', `last', an integer or a predicate.
1146 See Info node `(gnus)Customizing Articles' for details."
1148 :group 'gnus-article-treat
1149 :link '(custom-manual "(gnus)Customizing Articles")
1150 :type gnus-article-treat-custom)
1152 (defcustom gnus-treat-strip-trailing-blank-lines nil
1153 "Strip trailing blank lines.
1154 Valid values are nil, t, `head', `last', an integer or a predicate.
1155 See Info node `(gnus)Customizing Articles' for details."
1156 :group 'gnus-article-treat
1157 :link '(custom-manual "(gnus)Customizing Articles")
1158 :type gnus-article-treat-custom)
1160 (defcustom gnus-treat-strip-leading-blank-lines nil
1161 "Strip leading blank lines.
1162 Valid values are nil, t, `head', `last', an integer or a predicate.
1163 See Info node `(gnus)Customizing Articles' for details."
1164 :group 'gnus-article-treat
1165 :link '(custom-manual "(gnus)Customizing Articles")
1166 :type gnus-article-treat-custom)
1168 (defcustom gnus-treat-strip-multiple-blank-lines nil
1169 "Strip multiple blank lines.
1170 Valid values are nil, t, `head', `last', an integer or a predicate.
1171 See Info node `(gnus)Customizing Articles' for details."
1172 :group 'gnus-article-treat
1173 :link '(custom-manual "(gnus)Customizing Articles")
1174 :type gnus-article-treat-custom)
1176 (defcustom gnus-treat-unfold-headers 'head
1177 "Unfold folded header lines.
1178 Valid values are nil, t, `head', `last', an integer or a predicate.
1179 See Info node `(gnus)Customizing Articles' for details."
1180 :group 'gnus-article-treat
1181 :link '(custom-manual "(gnus)Customizing Articles")
1182 :type gnus-article-treat-custom)
1184 (defcustom gnus-treat-fold-headers nil
1186 Valid values are nil, t, `head', `last', an integer or a predicate.
1187 See Info node `(gnus)Customizing Articles' for details."
1188 :group 'gnus-article-treat
1189 :link '(custom-manual "(gnus)Customizing Articles")
1190 :type gnus-article-treat-custom)
1192 (defcustom gnus-treat-fold-newsgroups 'head
1193 "Fold the Newsgroups and Followup-To headers.
1194 Valid values are nil, t, `head', `last', an integer or a predicate.
1195 See Info node `(gnus)Customizing Articles' for details."
1196 :group 'gnus-article-treat
1197 :link '(custom-manual "(gnus)Customizing Articles")
1198 :type gnus-article-treat-custom)
1200 (defcustom gnus-treat-overstrike t
1201 "Treat overstrike highlighting.
1202 Valid values are nil, t, `head', `last', an integer or a predicate.
1203 See Info node `(gnus)Customizing Articles' for details."
1204 :group 'gnus-article-treat
1205 :link '(custom-manual "(gnus)Customizing Articles")
1206 :type gnus-article-treat-custom)
1207 (put 'gnus-treat-overstrike 'highlight t)
1209 (defcustom gnus-treat-ansi-sequences (if (locate-library "ansi-color") t)
1210 "Treat ANSI SGR control sequences.
1211 Valid values are nil, t, `head', `last', an integer or a predicate.
1212 See Info node `(gnus)Customizing Articles' for details."
1213 :group 'gnus-article-treat
1214 :link '(custom-manual "(gnus)Customizing Articles")
1215 :type gnus-article-treat-custom)
1217 (make-obsolete-variable 'gnus-treat-display-xface
1218 'gnus-treat-display-x-face)
1220 (defcustom gnus-treat-display-x-face
1221 (and (not noninteractive)
1222 (or (memq gnus-article-x-face-command
1223 '(x-face-decode-message-header
1224 x-face-mule-gnus-article-display-x-face))
1225 (and (fboundp 'image-type-available-p)
1226 (image-type-available-p 'xbm)
1227 (string-match "^0x" (shell-command-to-string "uncompface"))
1228 (executable-find "icontopbm"))
1229 (and (featurep 'xemacs)
1232 "Display X-Face headers.
1233 Valid values are nil, t, `head', `last', an integer or a predicate.
1234 See Info node `(gnus)Customizing Articles' and Info node
1235 `(gnus)X-Face' for details."
1236 :group 'gnus-article-treat
1238 :link '(custom-manual "(gnus)Customizing Articles")
1239 :link '(custom-manual "(gnus)X-Face")
1240 :type gnus-article-treat-head-custom
1241 :set (lambda (symbol value)
1244 (cond ((or (boundp symbol) (get symbol 'saved-value))
1246 ((boundp 'gnus-treat-display-xface)
1248 ** gnus-treat-display-xface is an obsolete variable;\
1249 use gnus-treat-display-x-face instead")
1250 (default-value 'gnus-treat-display-xface))
1251 ((get 'gnus-treat-display-xface 'saved-value)
1253 ** gnus-treat-display-xface is an obsolete variable;\
1254 use gnus-treat-display-x-face instead")
1255 (eval (car (get 'gnus-treat-display-xface 'saved-value))))
1258 (put 'gnus-treat-display-x-face 'highlight t)
1260 (defcustom gnus-article-should-use-smiley-mule
1261 (not (or (featurep 'xemacs)
1262 (gnus-image-type-available-p 'xpm)
1263 (gnus-image-type-available-p 'pbm)))
1264 "Non-nil means use `smiley-mule' to show smileys rather than `smiley'.
1265 `smiley-mule' is boundled in BITMAP-MULE package. You can set it to t
1266 even if your Emacs supports images. It has no effect on XEmacs."
1267 :group 'gnus-article-various
1269 :get (lambda (symbol)
1270 (and (not noninteractive)
1271 (default-value symbol)
1272 (not (featurep 'xemacs))
1273 (module-installed-p 'smiley-mule)
1275 :set (lambda (symbol value)
1276 (set-default symbol (and (not noninteractive)
1278 (not (featurep 'xemacs))
1279 (module-installed-p 'smiley-mule)
1282 (defvar gnus-article-smiley-mule-loaded-p nil
1283 "Internal variable used to say whether `smiley-mule' is loaded (whether
1284 smiley functions are not overridden by `smiley').")
1286 (defcustom gnus-treat-display-face
1287 (and (not noninteractive)
1288 ;; x-face-e21 handles both X-Face and Face headers.
1289 (not (and (eq gnus-article-x-face-command 'x-face-decode-message-header)
1290 (module-installed-p 'x-face-e21)))
1291 (or (and (fboundp 'image-type-available-p)
1292 (image-type-available-p 'png))
1293 (and (featurep 'xemacs)
1296 "Display Face headers.
1297 Valid values are nil, t, `head', `last', an integer or a predicate.
1298 See Info node `(gnus)Customizing Articles' and Info node
1299 `(gnus)X-Face' for details."
1300 :group 'gnus-article-treat
1302 :link '(custom-manual "(gnus)Customizing Articles")
1303 :link '(custom-manual "(gnus)X-Face")
1304 :type gnus-article-treat-head-custom)
1305 (put 'gnus-treat-display-face 'highlight t)
1307 (defcustom gnus-treat-display-smileys
1308 (if (and (not noninteractive)
1309 (or (and (featurep 'xemacs)
1311 (gnus-image-type-available-p 'xpm)
1312 (gnus-image-type-available-p 'pbm)
1313 (and (not (featurep 'xemacs))
1315 (module-installed-p 'smiley-mule))))
1319 Valid values are nil, t, `head', `last', an integer or a predicate.
1320 See Info node `(gnus)Customizing Articles' and Info node
1321 `(gnus)Smileys' for details."
1322 :group 'gnus-article-treat
1324 :link '(custom-manual "(gnus)Customizing Articles")
1325 :link '(custom-manual "(gnus)Smileys")
1326 :type gnus-article-treat-custom)
1327 (put 'gnus-treat-display-smileys 'highlight t)
1329 (defcustom gnus-treat-from-picon
1330 (if (and (gnus-image-type-available-p 'xpm)
1331 (gnus-picons-installed-p))
1333 "Display picons in the From header.
1334 Valid values are nil, t, `head', `last', an integer or a predicate.
1335 See Info node `(gnus)Customizing Articles' and Info node
1336 `(gnus)Picons' for details."
1337 :group 'gnus-article-treat
1339 :link '(custom-manual "(gnus)Customizing Articles")
1340 :link '(custom-manual "(gnus)Picons")
1341 :type gnus-article-treat-head-custom)
1342 (put 'gnus-treat-from-picon 'highlight t)
1344 (defcustom gnus-treat-mail-picon
1345 (if (and (gnus-image-type-available-p 'xpm)
1346 (gnus-picons-installed-p))
1348 "Display picons in To and Cc headers.
1349 Valid values are nil, t, `head', `last', an integer or a predicate.
1350 See Info node `(gnus)Customizing Articles' and Info node
1351 `(gnus)Picons' for details."
1352 :group 'gnus-article-treat
1354 :link '(custom-manual "(gnus)Customizing Articles")
1355 :link '(custom-manual "(gnus)Picons")
1356 :type gnus-article-treat-head-custom)
1357 (put 'gnus-treat-mail-picon 'highlight t)
1359 (defcustom gnus-treat-newsgroups-picon
1360 (if (and (gnus-image-type-available-p 'xpm)
1361 (gnus-picons-installed-p))
1363 "Display picons in the Newsgroups and Followup-To headers.
1364 Valid values are nil, t, `head', `last', an integer or a predicate.
1365 See Info node `(gnus)Customizing Articles' and Info node
1366 `(gnus)Picons' for details."
1367 :group 'gnus-article-treat
1369 :link '(custom-manual "(gnus)Customizing Articles")
1370 :link '(custom-manual "(gnus)Picons")
1371 :type gnus-article-treat-head-custom)
1372 (put 'gnus-treat-newsgroups-picon 'highlight t)
1374 (defcustom gnus-treat-body-boundary
1375 (if (or gnus-treat-newsgroups-picon
1376 gnus-treat-mail-picon
1377 gnus-treat-from-picon)
1379 "Draw a boundary at the end of the headers.
1380 Valid values are nil and `head'.
1381 See Info node `(gnus)Customizing Articles' for details."
1383 :group 'gnus-article-treat
1384 :link '(custom-manual "(gnus)Customizing Articles")
1385 :type gnus-article-treat-head-custom)
1387 (defcustom gnus-treat-capitalize-sentences nil
1388 "Capitalize sentence-starting words.
1389 Valid values are nil, t, `head', `last', an integer or a predicate.
1390 See Info node `(gnus)Customizing Articles' for details."
1392 :group 'gnus-article-treat
1393 :link '(custom-manual "(gnus)Customizing Articles")
1394 :type gnus-article-treat-custom)
1396 (defcustom gnus-treat-wash-html nil
1398 Valid values are nil, t, `head', `last', an integer or a predicate.
1399 See Info node `(gnus)Customizing Articles' for details."
1400 :group 'gnus-article-treat
1401 :link '(custom-manual "(gnus)Customizing Articles")
1402 :type gnus-article-treat-custom)
1404 (defcustom gnus-treat-fill-long-lines nil
1406 Valid values are nil, t, `head', `last', an integer or a predicate.
1407 See Info node `(gnus)Customizing Articles' for details."
1408 :group 'gnus-article-treat
1409 :link '(custom-manual "(gnus)Customizing Articles")
1410 :type gnus-article-treat-custom)
1412 (defcustom gnus-treat-play-sounds nil
1414 Valid values are nil, t, `head', `last', an integer or a predicate.
1415 See Info node `(gnus)Customizing Articles' for details."
1417 :group 'gnus-article-treat
1418 :link '(custom-manual "(gnus)Customizing Articles")
1419 :type gnus-article-treat-custom)
1421 (defcustom gnus-treat-decode-article-as-default-mime-charset nil
1422 "Decode an article as `default-mime-charset'. For instance, if you want to
1423 attempt to decode an article even if the value of `gnus-show-mime' is nil,
1424 you could set this variable to something like: nil for don't decode, t for
1425 decode the body, '(or header t) for the whole article, etc."
1426 :group 'gnus-article-treat
1427 :type '(radio (const :tag "Off" nil)
1428 (const :tag "Decode body" t)
1429 (const :tag "Decode all" (or head t))))
1431 (defcustom gnus-treat-translate nil
1432 "Translate articles from one language to another.
1433 Valid values are nil, t, `head', `last', an integer or a predicate.
1434 See Info node `(gnus)Customizing Articles' for details."
1436 :group 'gnus-article-treat
1437 :link '(custom-manual "(gnus)Customizing Articles")
1438 :type gnus-article-treat-custom)
1440 (defcustom gnus-treat-x-pgp-sig nil
1442 To automatically treat X-PGP-Sig, set it to head.
1443 Valid values are nil, t, `head', `last', an integer or a predicate.
1444 See Info node `(gnus)Customizing Articles' for details."
1445 :group 'gnus-article-treat
1446 :group 'mime-security
1447 :type gnus-article-treat-custom)
1449 (defcustom gnus-treat-monafy nil
1450 "Display body part with mona font.
1451 Valid values are nil, t, `head', `last', an integer or a predicate.
1452 See Info node `(gnus)Customizing Articles' for details."
1453 :group 'gnus-article-treat
1454 :group 'mime-security
1455 :link '(custom-manual "(gnus)Customizing Articles")
1456 :type gnus-article-treat-custom)
1458 (defvar gnus-article-encrypt-protocol-alist
1459 '(("PGP" . mml2015-self-encrypt)))
1461 ;; Set to nil if more than one protocol added to
1462 ;; gnus-article-encrypt-protocol-alist.
1463 (defcustom gnus-article-encrypt-protocol "PGP"
1464 "The protocol used for encrypt articles.
1465 It is a string, such as \"PGP\". If nil, ask user."
1467 :group 'mime-security)
1469 (defvar gnus-article-wash-function nil
1470 "Function used for converting HTML into text.")
1472 (defcustom gnus-use-idna (and (condition-case nil (require 'idna) (file-error))
1473 (mm-coding-system-p 'utf-8)
1474 (executable-find idna-program))
1475 "Whether IDNA decoding of headers is used when viewing messages.
1476 This requires GNU Libidn, and by default only enabled if it is found."
1477 :group 'gnus-article-headers
1480 (defcustom gnus-article-over-scroll nil
1481 "If non-nil, allow scrolling the article buffer even when there no more text."
1482 :group 'gnus-article
1485 ;;; Internal variables
1487 (defvar gnus-english-month-names
1488 '("January" "February" "March" "April" "May" "June" "July" "August"
1489 "September" "October" "November" "December"))
1491 (defvar gnus-button-regexp nil)
1492 (defvar gnus-button-marker-list nil)
1493 ;; Regexp matching any of the regexps from `gnus-button-alist'.
1495 (defvar gnus-button-last nil)
1496 ;; The value of `gnus-button-alist' when `gnus-button-regexp' was build.
1498 (defvar article-goto-body-goes-to-point-min-p nil)
1499 (defvar gnus-article-wash-types nil)
1500 (defvar gnus-article-emphasis-alist nil)
1501 (defvar gnus-article-image-alist nil)
1503 (defvar gnus-article-mime-handle-alist-1 nil)
1504 (defvar gnus-treatment-function-alist
1505 '((gnus-treat-decode-article-as-default-mime-charset
1506 gnus-article-decode-article-as-default-mime-charset)
1507 (gnus-treat-x-pgp-sig gnus-article-verify-x-pgp-sig)
1508 (gnus-treat-monafy gnus-article-monafy)
1509 (gnus-treat-strip-banner gnus-article-strip-banner)
1510 (gnus-treat-strip-headers-in-body gnus-article-strip-headers-in-body)
1511 (gnus-treat-buttonize gnus-article-add-buttons)
1512 (gnus-treat-fill-article gnus-article-fill-cited-article)
1513 (gnus-treat-fill-long-lines gnus-article-fill-long-lines)
1514 (gnus-treat-strip-cr gnus-article-remove-cr)
1515 (gnus-treat-unsplit-urls gnus-article-unsplit-urls)
1516 (gnus-treat-date-ut gnus-article-date-ut)
1517 (gnus-treat-date-local gnus-article-date-local)
1518 (gnus-treat-date-english gnus-article-date-english)
1519 (gnus-treat-date-lapsed gnus-article-date-lapsed)
1520 (gnus-treat-date-original gnus-article-date-original)
1521 (gnus-treat-date-user-defined gnus-article-date-user)
1522 (gnus-treat-date-iso8601 gnus-article-date-iso8601)
1523 (gnus-treat-display-face gnus-article-display-face)
1524 (gnus-treat-hide-headers gnus-article-maybe-hide-headers)
1525 (gnus-treat-hide-boring-headers gnus-article-hide-boring-headers)
1526 (gnus-treat-hide-signature gnus-article-hide-signature)
1527 (gnus-treat-strip-list-identifiers gnus-article-hide-list-identifiers)
1528 (gnus-treat-leading-whitespace gnus-article-remove-leading-whitespace)
1529 (gnus-treat-strip-pem gnus-article-hide-pem)
1530 (gnus-treat-from-picon gnus-treat-from-picon)
1531 (gnus-treat-mail-picon gnus-treat-mail-picon)
1532 (gnus-treat-newsgroups-picon gnus-treat-newsgroups-picon)
1533 (gnus-treat-highlight-headers gnus-article-highlight-headers)
1534 (gnus-treat-highlight-signature gnus-article-highlight-signature)
1535 (gnus-treat-strip-trailing-blank-lines
1536 gnus-article-remove-trailing-blank-lines)
1537 (gnus-treat-strip-leading-blank-lines
1538 gnus-article-strip-leading-blank-lines)
1539 (gnus-treat-strip-multiple-blank-lines
1540 gnus-article-strip-multiple-blank-lines)
1541 (gnus-treat-overstrike gnus-article-treat-overstrike)
1542 (gnus-treat-ansi-sequences gnus-article-treat-ansi-sequences)
1543 (gnus-treat-unfold-headers gnus-article-treat-unfold-headers)
1544 (gnus-treat-fold-headers gnus-article-treat-fold-headers)
1545 ;; Displaying X-Face should be done after unfolding headers
1546 ;; to protect bitmap lines.
1547 (gnus-treat-display-x-face gnus-article-display-x-face)
1548 (gnus-treat-fold-newsgroups gnus-article-treat-fold-newsgroups)
1549 (gnus-treat-buttonize-head gnus-article-add-buttons-to-head)
1550 (gnus-treat-display-smileys gnus-treat-smiley)
1551 (gnus-treat-capitalize-sentences gnus-article-capitalize-sentences)
1552 (gnus-treat-wash-html gnus-article-wash-html)
1553 (gnus-treat-emphasize gnus-article-emphasize)
1554 (gnus-treat-hide-citation gnus-article-hide-citation)
1555 (gnus-treat-hide-citation-maybe gnus-article-hide-citation-maybe)
1556 (gnus-treat-highlight-citation gnus-article-highlight-citation)
1557 (gnus-treat-body-boundary gnus-article-treat-body-boundary)
1558 (gnus-treat-play-sounds gnus-earcon-display)))
1560 (defvar gnus-article-mime-handle-alist nil)
1561 (defvar article-lapsed-timer nil)
1562 (defvar gnus-article-current-summary nil)
1564 (defvar gnus-article-mode-syntax-table
1565 (let ((table (copy-syntax-table text-mode-syntax-table)))
1566 ;; This causes the citation match run O(2^n).
1567 ;; (modify-syntax-entry ?- "w" table)
1568 (modify-syntax-entry ?> ")<" table)
1569 (modify-syntax-entry ?< "(>" table)
1570 ;; make M-. in article buffers work for `foo' strings
1571 (modify-syntax-entry ?' " " table)
1572 (modify-syntax-entry ?` " " table)
1574 "Syntax table used in article mode buffers.
1575 Initialized from `text-mode-syntax-table.")
1577 (defvar gnus-save-article-buffer nil)
1579 (defvar gnus-article-mode-line-format-alist
1580 (nconc '((?w (gnus-article-wash-status) ?s)
1581 (?m (gnus-article-mime-part-status) ?s))
1582 gnus-summary-mode-line-format-alist))
1584 (defvar gnus-number-of-articles-to-be-saved nil)
1586 (defvar gnus-inhibit-hiding nil)
1588 (defvar gnus-article-edit-mode nil)
1590 ;;; Macros for dealing with the article buffer.
1592 (defmacro gnus-with-article-headers (&rest forms)
1594 (set-buffer gnus-article-buffer)
1596 (let ((buffer-read-only nil)
1597 (inhibit-point-motion-hooks t)
1598 (case-fold-search t))
1599 (article-narrow-to-head)
1602 (put 'gnus-with-article-headers 'lisp-indent-function 0)
1603 (put 'gnus-with-article-headers 'edebug-form-spec '(body))
1605 (defmacro gnus-with-article-buffer (&rest forms)
1607 (set-buffer gnus-article-buffer)
1608 (let ((buffer-read-only nil))
1611 (put 'gnus-with-article-buffer 'lisp-indent-function 0)
1612 (put 'gnus-with-article-buffer 'edebug-form-spec '(body))
1614 (defun gnus-article-goto-header (header)
1615 "Go to HEADER, which is a regular expression."
1616 (re-search-forward (concat "^\\(" header "\\):") nil t))
1618 (defsubst gnus-article-hide-text (b e props)
1619 "Set text PROPS on the B to E region, extending `intangible' 1 past B."
1620 (gnus-add-text-properties-when 'article-type nil b e props)
1621 (when (memq 'intangible props)
1623 (max (1- b) (point-min))
1624 b 'intangible (cddr (memq 'intangible props)))))
1626 (defsubst gnus-article-unhide-text (b e)
1627 "Remove hidden text properties from region between B and E."
1628 (remove-text-properties b e gnus-hidden-properties)
1629 (when (memq 'intangible gnus-hidden-properties)
1630 (put-text-property (max (1- b) (point-min))
1631 b 'intangible nil)))
1633 (defun gnus-article-hide-text-type (b e type)
1634 "Hide text of TYPE between B and E."
1635 (gnus-add-wash-type type)
1636 (gnus-article-hide-text
1637 b e (cons 'article-type (cons type gnus-hidden-properties))))
1639 (defun gnus-article-unhide-text-type (b e type)
1640 "Unhide text of TYPE between B and E."
1641 (gnus-delete-wash-type type)
1642 (remove-text-properties
1643 b e (cons 'article-type (cons type gnus-hidden-properties)))
1644 (when (memq 'intangible gnus-hidden-properties)
1645 (put-text-property (max (1- b) (point-min))
1646 b 'intangible nil)))
1648 (defun gnus-article-hide-text-of-type (type)
1649 "Hide text of TYPE in the current buffer."
1651 (let ((b (point-min))
1653 (while (setq b (text-property-any b e 'article-type type))
1654 (add-text-properties b (incf b) gnus-hidden-properties)))))
1656 (defun gnus-article-delete-text-of-type (type)
1657 "Delete text of TYPE in the current buffer."
1659 (let ((b (point-min)))
1660 (while (setq b (text-property-any b (point-max) 'article-type type))
1662 b (or (text-property-not-all b (point-max) 'article-type type)
1665 (defun gnus-article-delete-invisible-text ()
1666 "Delete all invisible text in the current buffer."
1668 (let ((b (point-min)))
1669 (while (setq b (text-property-any b (point-max) 'invisible t))
1671 b (or (text-property-not-all b (point-max) 'invisible t)
1674 (defun gnus-article-text-type-exists-p (type)
1675 "Say whether any text of type TYPE exists in the buffer."
1676 (text-property-any (point-min) (point-max) 'article-type type))
1678 (defsubst gnus-article-header-rank ()
1679 "Give the rank of the string HEADER as given by `gnus-sorted-header-list'."
1680 (let ((list gnus-sorted-header-list)
1683 (if (looking-at (car list))
1685 (setq list (cdr list))
1689 (defun article-hide-headers (&optional arg delete)
1690 "Hide unwanted headers and possibly sort them as well."
1691 (interactive (gnus-article-hidden-arg))
1692 ;; Lars said that this function might be inhibited.
1693 (if (gnus-article-check-hidden-text 'headers arg)
1695 ;; Show boring headers as well.
1696 (gnus-article-show-hidden-text 'boring-headers)
1697 (when (eq 1 (point-min))
1698 (set-window-start (get-buffer-window (current-buffer)) 1)))
1699 (unless gnus-inhibit-hiding
1702 (let ((inhibit-read-only t)
1703 (case-fold-search t)
1704 (max (1+ (length gnus-sorted-header-list)))
1705 (ignored (when (not gnus-visible-headers)
1706 (cond ((stringp gnus-ignored-headers)
1707 gnus-ignored-headers)
1708 ((listp gnus-ignored-headers)
1709 (mapconcat 'identity gnus-ignored-headers
1712 (cond ((stringp gnus-visible-headers)
1713 gnus-visible-headers)
1714 ((and gnus-visible-headers
1715 (listp gnus-visible-headers))
1716 (mapconcat 'identity gnus-visible-headers "\\|"))))
1717 (inhibit-point-motion-hooks t)
1719 ;; First we narrow to just the headers.
1720 (article-narrow-to-head)
1721 ;; Hide any "From " lines at the beginning of (mail) articles.
1722 (while (looking-at "From ")
1726 (delete-region (point-min) (point))
1727 (gnus-article-hide-text (point-min) (point)
1728 (nconc (list 'article-type 'headers)
1729 gnus-hidden-properties))))
1730 ;; Then treat the rest of the header lines.
1731 ;; Then we use the two regular expressions
1732 ;; `gnus-ignored-headers' and `gnus-visible-headers' to
1733 ;; select which header lines is to remain visible in the
1735 (while (re-search-forward "^[^ \t:]*:" nil t)
1737 ;; Mark the rank of the header.
1739 (point) (1+ (point)) 'message-rank
1740 (if (or (and visible (looking-at visible))
1742 (not (looking-at ignored))))
1743 (gnus-article-header-rank)
1746 (message-sort-headers-1)
1747 (when (setq beg (text-property-any
1748 (point-min) (point-max) 'message-rank (+ 2 max)))
1749 ;; We delete or make invisible the unwanted headers.
1750 (gnus-add-wash-type 'headers)
1753 (add-text-properties
1754 (point-min) (+ 5 (point-min))
1755 '(article-type headers dummy-invisible t))
1756 (delete-region beg (point-max)))
1757 (gnus-article-hide-text-type beg (point-max) 'headers)))))))))
1759 (defun article-hide-boring-headers (&optional arg)
1760 "Toggle hiding of headers that aren't very interesting.
1761 If given a negative prefix, always show; if given a positive prefix,
1763 (interactive (gnus-article-hidden-arg))
1764 (when (and (not (gnus-article-check-hidden-text 'boring-headers arg))
1765 (not gnus-show-all-headers))
1768 (let ((buffer-read-only nil)
1769 (list gnus-boring-article-headers)
1770 (inhibit-point-motion-hooks t)
1772 (article-narrow-to-head)
1774 (setq elem (pop list))
1775 (goto-char (point-min))
1777 ;; Hide empty headers.
1779 (while (re-search-forward "^[^: \t]+:[ \t]*\n[^ \t]" nil t)
1781 (gnus-article-hide-text-type
1785 (if (re-search-forward "^[^ \t]" nil t)
1789 ;; Hide boring Newsgroups header.
1790 ((eq elem 'newsgroups)
1791 (when (gnus-string-equal
1792 (gnus-fetch-field "newsgroups")
1793 (gnus-group-real-name
1794 (if (boundp 'gnus-newsgroup-name)
1797 (gnus-article-hide-header "newsgroups")))
1798 ((eq elem 'to-address)
1799 (let ((to (message-fetch-field "to"))
1801 (gnus-parameter-to-address
1802 (if (boundp 'gnus-newsgroup-name)
1803 gnus-newsgroup-name ""))))
1804 (when (and to to-address
1807 ;; only one address in To
1808 (nth 1 (mail-extract-address-components to))
1810 (gnus-article-hide-header "to"))))
1812 (let ((to (message-fetch-field "to"))
1814 (gnus-parameter-to-list
1815 (if (boundp 'gnus-newsgroup-name)
1816 gnus-newsgroup-name ""))))
1817 (when (and to to-list
1820 ;; only one address in To
1821 (nth 1 (mail-extract-address-components to))
1823 (gnus-article-hide-header "to"))))
1825 (let ((cc (message-fetch-field "cc"))
1827 (gnus-parameter-to-list
1828 (if (boundp 'gnus-newsgroup-name)
1829 gnus-newsgroup-name ""))))
1830 (when (and cc to-list
1833 ;; only one address in CC
1834 (nth 1 (mail-extract-address-components cc))
1836 (gnus-article-hide-header "cc"))))
1837 ((eq elem 'followup-to)
1838 (when (gnus-string-equal
1839 (message-fetch-field "followup-to")
1840 (message-fetch-field "newsgroups"))
1841 (gnus-article-hide-header "followup-to")))
1842 ((eq elem 'reply-to)
1843 (if (gnus-group-find-parameter
1844 gnus-newsgroup-name 'broken-reply-to)
1845 (gnus-article-hide-header "reply-to")
1846 (let ((from (message-fetch-field "from"))
1847 (reply-to (message-fetch-field "reply-to")))
1854 (lambda (x) (downcase (cadr x)))
1855 (mail-extract-address-components from t))
1858 (lambda (x) (downcase (cadr x)))
1859 (mail-extract-address-components reply-to t))
1861 (gnus-article-hide-header "reply-to")))))
1863 (let ((date (message-fetch-field "date")))
1865 (< (days-between (current-time-string) date)
1867 (gnus-article-hide-header "date"))))
1869 (let ((to (message-fetch-field "to"))
1870 (cc (message-fetch-field "cc")))
1871 (when (> (length to) 1024)
1872 (gnus-article-hide-header "to"))
1873 (when (> (length cc) 1024)
1874 (gnus-article-hide-header "cc"))))
1878 (goto-char (point-min))
1879 (while (re-search-forward "^to:" nil t)
1880 (setq to-count (1+ to-count)))
1881 (when (> to-count 1)
1882 (while (> to-count 0)
1883 (goto-char (point-min))
1885 (re-search-forward "^to:" nil nil to-count)
1887 (narrow-to-region (point) (point-max))
1888 (gnus-article-hide-header "to"))
1889 (setq to-count (1- to-count))))
1890 (goto-char (point-min))
1891 (while (re-search-forward "^cc:" nil t)
1892 (setq cc-count (1+ cc-count)))
1893 (when (> cc-count 1)
1894 (while (> cc-count 0)
1895 (goto-char (point-min))
1897 (re-search-forward "^cc:" nil nil cc-count)
1899 (narrow-to-region (point) (point-max))
1900 (gnus-article-hide-header "cc"))
1901 (setq cc-count (1- cc-count)))))))))))))
1903 (defun gnus-article-hide-header (header)
1905 (goto-char (point-min))
1906 (when (re-search-forward (concat "^" header ":") nil t)
1907 (gnus-article-hide-text-type
1911 (if (re-search-forward "^[^ \t]" nil t)
1916 (defvar gnus-article-normalized-header-length 40
1917 "Length of normalized headers.")
1919 (defun article-normalize-headers ()
1920 "Make all header lines 40 characters long."
1922 (let ((buffer-read-only nil)
1926 (article-narrow-to-head)
1929 ((< (setq column (- (point-at-eol) (point)))
1930 gnus-article-normalized-header-length)
1932 (insert (make-string
1933 (- gnus-article-normalized-header-length column)
1935 ((> column gnus-article-normalized-header-length)
1936 (gnus-put-text-property
1938 (forward-char gnus-article-normalized-header-length)
1945 (forward-line 1))))))
1947 (defun article-treat-dumbquotes ()
1948 "Translate M****s*** sm*rtq**t*s and other symbols into proper text.
1949 Note that this function guesses whether a character is a sm*rtq**t* or
1950 not, so it should only be used interactively.
1952 Sm*rtq**t*s are M****s***'s unilateral extension to the
1953 iso-8859-1 character map in an attempt to provide more quoting
1954 characters. If you see something like \\222 or \\264 where
1955 you're expecting some kind of apostrophe or quotation mark, then
1958 (article-translate-strings gnus-article-dumbquotes-map))
1960 (defun article-translate-characters (from to)
1961 "Translate all characters in the body of the article according to FROM and TO.
1962 FROM is a string of characters to translate from; to is a string of
1963 characters to translate to."
1965 (when (article-goto-body)
1966 (let ((buffer-read-only nil)
1967 (x (make-string 225 ?x))
1969 (while (< (incf i) (length x))
1972 (while (< i (length from))
1973 (aset x (aref from i) (aref to i))
1975 (translate-region (point) (point-max) x)))))
1977 (defun article-translate-strings (map)
1978 "Translate all string in the body of the article according to MAP.
1979 MAP is an alist where the elements are on the form (\"from\" \"to\")."
1981 (when (article-goto-body)
1982 (let ((buffer-read-only nil)
1984 (while (setq elem (pop map))
1986 (while (search-forward (car elem) nil t)
1987 (replace-match (cadr elem)))))))))
1989 (defun article-treat-overstrike ()
1990 "Translate overstrikes into bold text."
1993 (when (article-goto-body)
1994 (let ((buffer-read-only nil))
1995 (while (search-forward "\b" nil t)
1996 (let ((next (char-after))
2000 previous (char-after))
2004 ;; We do the boldification/underlining by hiding the
2005 ;; overstrikes and putting the proper text property
2009 (gnus-article-hide-text-type start (point) 'overstrike)
2010 (put-text-property (point) end 'face 'bold))
2012 (gnus-article-hide-text-type
2013 (1- (point)) (1+ (point)) 'overstrike)
2015 start (1- (point)) 'face 'underline))
2017 (gnus-article-hide-text-type start (point) 'overstrike)
2019 (point) end 'face 'underline)))))))))
2021 (defun article-treat-ansi-sequences ()
2022 "Translate ANSI SGR control sequences into overlays or extents."
2025 (when (article-goto-body)
2026 (let ((buffer-read-only nil))
2027 (ansi-color-apply-on-region (point) (point-max))))))
2029 (defun gnus-article-treat-unfold-headers ()
2030 "Unfold folded message headers.
2031 Only the headers that fit into the current window width will be
2034 (gnus-with-article-headers
2038 (mail-header-narrow-to-field)
2039 (let ((header (buffer-string)))
2042 (goto-char (point-min))
2043 (while (re-search-forward "\n[\t ]" nil t)
2044 (replace-match " " t t)))
2045 (setq length (- (point-max) (point-min) 1)))
2046 (when (< length (window-width))
2047 (while (re-search-forward "\n[\t ]" nil t)
2048 (replace-match " " t t)))
2049 (goto-char (point-max)))))))
2051 (defun gnus-article-treat-fold-headers ()
2052 "Fold message headers."
2054 (gnus-with-article-headers
2057 (mail-header-narrow-to-field)
2058 (mail-header-fold-field)
2059 (goto-char (point-max))))))
2061 (defun gnus-treat-smiley ()
2062 "Toggle display of textual emoticons (\"smileys\") as small graphical icons."
2064 (unless (featurep 'xemacs)
2065 (when (and (not gnus-article-should-use-smiley-mule)
2066 gnus-article-smiley-mule-loaded-p)
2067 (load "smiley" nil t)
2068 (setq gnus-article-smiley-mule-loaded-p nil))
2069 (when (and gnus-article-should-use-smiley-mule
2070 (not gnus-article-smiley-mule-loaded-p))
2071 (load "smiley-mule" nil t)
2072 (setq gnus-article-smiley-mule-loaded-p t)))
2073 (gnus-with-article-buffer
2074 (if (memq 'smiley gnus-article-wash-types)
2075 (gnus-delete-images 'smiley)
2077 (let ((images (smiley-region (point) (point-max))))
2079 (gnus-add-wash-type 'smiley)
2080 (dolist (image images)
2081 (gnus-add-image 'smiley image)))))))
2083 (defun gnus-article-remove-images ()
2084 "Remove all images from the article buffer."
2086 (gnus-with-article-buffer
2087 (dolist (elem gnus-article-image-alist)
2088 (gnus-delete-images (car elem)))))
2090 (defun gnus-article-treat-fold-newsgroups ()
2091 "Unfold folded message headers.
2092 Only the headers that fit into the current window width will be
2095 (gnus-with-article-headers
2096 (while (gnus-article-goto-header "newsgroups\\|followup-to")
2098 (mail-header-narrow-to-field)
2099 (while (re-search-forward ", *" nil t)
2100 (replace-match ", " t t))
2101 (mail-header-fold-field)
2102 (goto-char (point-max))))))
2104 (defun gnus-article-treat-body-boundary ()
2105 "Place a boundary line at the end of the headers."
2107 (when (and gnus-body-boundary-delimiter
2108 (> (length gnus-body-boundary-delimiter) 0))
2109 (gnus-with-article-headers
2110 (goto-char (point-max))
2111 (let ((start (point)))
2112 (insert "X-Boundary: ")
2113 (gnus-add-text-properties start (point) '(invisible t intangible t))
2115 (while (>= (1- (window-width)) (length str))
2116 (setq str (concat str gnus-body-boundary-delimiter)))
2117 (substring str 0 (1- (window-width))))
2119 (gnus-put-text-property start (point) 'gnus-decoration 'header)))))
2121 (defun article-fill-long-lines ()
2122 "Fill lines that are wider than the window width."
2125 (let ((buffer-read-only nil)
2126 (width (window-width (get-buffer-window (current-buffer)))))
2129 (let ((adaptive-fill-mode nil)) ;Why? -sm
2132 (when (>= (current-column) (min fill-column width))
2133 (narrow-to-region (min (1+ (point)) (point-max))
2135 (let ((goback (point-marker)))
2136 (fill-paragraph nil)
2137 (goto-char (marker-position goback)))
2139 (forward-line 1)))))))
2141 (defun article-capitalize-sentences ()
2142 "Capitalize the first word in each sentence."
2145 (let ((buffer-read-only nil)
2146 (paragraph-start "^[\n\^L]"))
2150 (forward-sentence)))))
2152 (defun article-remove-cr ()
2153 "Remove trailing CRs and then translate remaining CRs into LFs."
2156 (let ((buffer-read-only nil))
2157 (goto-char (point-min))
2158 (while (re-search-forward "\r+$" nil t)
2159 (replace-match "" t t))
2160 (goto-char (point-min))
2161 (while (search-forward "\r" nil t)
2162 (replace-match "\n" t t)))))
2164 (defun article-remove-trailing-blank-lines ()
2165 "Remove all trailing blank lines from the article."
2168 (let ((buffer-read-only nil))
2169 (goto-char (point-max))
2173 (while (and (not (bobp))
2174 (looking-at "^[ \t]*$")
2175 (not (gnus-annotation-in-region-p
2176 (point) (point-at-eol))))
2182 (defvar gnus-face-properties-alist))
2184 (defun article-display-face ()
2185 "Display any Face headers in the header."
2187 (let ((wash-face-p buffer-read-only))
2188 (gnus-with-article-headers
2189 ;; When displaying parts, this function can be called several times on
2190 ;; the same article, without any intended toggle semantic (as typing `W
2191 ;; D d' would have). So face deletion must occur only when we come from
2192 ;; an interactive command, that is when the *Article* buffer is
2194 (if (and wash-face-p (memq 'face gnus-article-wash-types))
2195 (gnus-delete-images 'face)
2198 (when (and wash-face-p
2200 (goto-char (point-min))
2201 (not (re-search-forward "^Face:[\t ]*" nil t)))
2202 (gnus-buffer-live-p gnus-original-article-buffer))
2203 (set-buffer gnus-original-article-buffer))
2205 (mail-narrow-to-head)
2206 (while (gnus-article-goto-header "Face")
2207 (setq faces (nconc faces (list (mail-header-field-value)))))))
2208 (while (setq face (pop faces))
2209 (let ((png (gnus-convert-face-to-png face))
2213 (apply 'gnus-create-image png 'png t
2214 (cdr (assq 'png gnus-face-properties-alist))))
2215 (gnus-article-goto-header "from")
2217 (insert "From: [no `from' set]\n")
2219 (gnus-add-wash-type 'face)
2220 (gnus-add-image 'face image)
2221 (gnus-put-image image nil 'face))))))
2224 (defun article-display-x-face (&optional force)
2225 "Look for an X-Face header and display it if present."
2226 (interactive (list 'force))
2227 (let ((wash-face-p buffer-read-only)) ;; When type `W f'
2228 (gnus-with-article-headers
2229 ;; Delete the old process, if any.
2230 (when (process-status "article-x-face")
2231 (delete-process "article-x-face"))
2232 ;; See the comment in `article-display-face'.
2233 (if (and wash-face-p (memq 'xface gnus-article-wash-types))
2234 ;; We have already displayed X-Faces, so we remove them
2236 (gnus-delete-images 'xface)
2238 (let (x-faces from face)
2240 (when (and wash-face-p
2242 (goto-char (point-min))
2243 (not (re-search-forward
2244 "^X-Face\\(-[0-9]+\\)?:[\t ]*" nil t)))
2245 (gnus-buffer-live-p gnus-original-article-buffer))
2246 ;; If type `W f', use gnus-original-article-buffer,
2247 ;; otherwise use the current buffer because displaying
2248 ;; RFC822 parts calls this function too.
2249 (set-buffer gnus-original-article-buffer))
2251 (mail-narrow-to-head)
2252 (while (gnus-article-goto-header "X-Face")
2253 (push (mail-header-field-value) x-faces))
2254 (setq from (message-fetch-field "from"))))
2255 ;; Sending multiple EOFs to xv doesn't work, so we only do a
2256 ;; single external face.
2257 (when (stringp gnus-article-x-face-command)
2258 (setq x-faces (list (car x-faces))))
2259 (while (and (setq face (pop x-faces))
2260 gnus-article-x-face-command
2262 ;; Check whether this face is censored.
2263 (not gnus-article-x-face-too-ugly)
2264 (and gnus-article-x-face-too-ugly from
2265 (not (string-match gnus-article-x-face-too-ugly
2267 ;; We display the face.
2268 (cond ((stringp gnus-article-x-face-command)
2269 ;; The command is a string, so we interpret the command
2270 ;; as a, well, command, and fork it off.
2271 (let ((process-connection-type nil))
2272 (process-kill-without-query
2274 "article-x-face" nil shell-file-name
2275 shell-command-switch gnus-article-x-face-command))
2278 (process-send-region "article-x-face"
2279 (point-min) (point-max)))
2280 (process-send-eof "article-x-face")))
2281 ((functionp gnus-article-x-face-command)
2282 ;; The command is a lisp function, so we call it.
2283 (funcall gnus-article-x-face-command face))
2285 (error "%s is not a function"
2286 gnus-article-x-face-command)))))))))
2288 (defun article-decode-mime-words ()
2289 "Decode all MIME-encoded words in the article."
2291 (gnus-with-article-buffer
2292 (let ((inhibit-point-motion-hooks t)
2293 (mail-parse-charset gnus-newsgroup-charset)
2294 (mail-parse-ignored-charsets
2295 (with-current-buffer gnus-summary-buffer
2296 gnus-newsgroup-ignored-charsets)))
2297 (mail-decode-encoded-word-region (point-min) (point-max)))))
2299 (defun article-decode-charset (&optional prompt)
2300 "Decode charset-encoded text in the article.
2301 If PROMPT (the prefix), prompt for a coding system to use."
2303 (let ((inhibit-point-motion-hooks t) (case-fold-search t)
2305 (mail-parse-charset gnus-newsgroup-charset)
2306 (mail-parse-ignored-charsets
2307 (save-excursion (condition-case nil
2308 (set-buffer gnus-summary-buffer)
2310 gnus-newsgroup-ignored-charsets))
2311 ct cte ctl charset format)
2314 (article-narrow-to-head)
2315 (setq ct (message-fetch-field "Content-Type" t)
2316 cte (message-fetch-field "Content-Transfer-Encoding" t)
2317 ctl (and ct (ignore-errors
2318 (mail-header-parse-content-type ct)))
2321 (mm-read-coding-system "Charset to decode: "))
2323 (mail-content-type-get ctl 'charset)))
2324 format (and ctl (mail-content-type-get ctl 'format)))
2326 (setq cte (mail-header-strip cte)))
2327 (if (and ctl (not (string-match "/" (car ctl))))
2329 (goto-char (point-max)))
2332 (narrow-to-region (point) (point-max))
2333 (when (and (eq mail-parse-charset 'gnus-decoded)
2334 (eq (mm-body-7-or-8) '8bit))
2335 ;; The text code could have been decoded.
2336 (setq charset mail-parse-charset))
2337 (when (and (or (not ctl)
2338 (equal (car ctl) "text/plain"))
2339 (not format)) ;; article with format will decode later.
2341 charset (and cte (intern (downcase
2342 (gnus-strip-whitespace cte))))
2345 (defun article-decode-encoded-words ()
2346 "Remove encoded-word encoding from headers."
2347 (let (buffer-read-only)
2348 (let ((charset (save-excursion
2349 (set-buffer gnus-summary-buffer)
2350 default-mime-charset)))
2351 (mime-decode-header-in-buffer charset))))
2353 (defun article-decode-group-name ()
2354 "Decode group names in `Newsgroups:'."
2355 (let ((inhibit-point-motion-hooks t)
2357 (method (gnus-find-method-for-group gnus-newsgroup-name)))
2358 (when (and (or gnus-group-name-charset-method-alist
2359 gnus-group-name-charset-group-alist)
2360 (gnus-buffer-live-p gnus-original-article-buffer))
2362 (article-narrow-to-head)
2363 (with-current-buffer gnus-original-article-buffer
2364 (goto-char (point-min)))
2365 (while (re-search-forward
2366 "^Newsgroups:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]" nil t)
2367 (replace-match (save-match-data
2368 (gnus-decode-newsgroups
2369 ;; XXX how to use data in article buffer?
2370 (with-current-buffer gnus-original-article-buffer
2372 "^Newsgroups:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]"
2375 gnus-newsgroup-name method))
2377 (goto-char (point-min))
2378 (with-current-buffer gnus-original-article-buffer
2379 (goto-char (point-min)))
2380 (while (re-search-forward
2381 "^Followup-To:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]" nil t)
2382 (replace-match (save-match-data
2383 (gnus-decode-newsgroups
2384 ;; XXX how to use data in article buffer?
2385 (with-current-buffer gnus-original-article-buffer
2387 "^Followup-To:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]"
2390 gnus-newsgroup-name method))
2393 (autoload 'idna-to-unicode "idna")
2395 (defun article-decode-idna-rhs ()
2396 "Decode IDNA strings in RHS in From:, To: and Cc: headers in current buffer."
2399 (let ((inhibit-point-motion-hooks t)
2401 (article-narrow-to-head)
2402 (goto-char (point-min))
2403 (while (re-search-forward "@.*\\(xn--[-A-Za-z0-9.]*\\)[ \t\n\r,>]" nil t)
2405 (when (save-match-data
2406 (and (setq ace (match-string 1))
2408 (and (re-search-backward "^[^ \t]" nil t)
2409 (looking-at "From\\|To\\|Cc")))
2410 (setq unicode (idna-to-unicode ace))))
2411 (unless (string= ace unicode)
2412 (replace-match unicode nil nil nil 1)))))))))
2414 (defun article-de-quoted-unreadable (&optional force read-charset)
2415 "Translate a quoted-printable-encoded article.
2416 If FORCE, decode the article whether it is marked as quoted-printable
2418 If READ-CHARSET, ask for a coding system."
2419 (interactive (list 'force current-prefix-arg))
2421 (let ((buffer-read-only nil) type charset)
2422 (if (gnus-buffer-live-p gnus-original-article-buffer)
2423 (with-current-buffer gnus-original-article-buffer
2425 (gnus-fetch-field "content-transfer-encoding"))
2426 (let* ((ct (gnus-fetch-field "content-type"))
2429 (mail-header-parse-content-type ct)))))
2430 (setq charset (and ctl
2431 (mail-content-type-get ctl 'charset)))
2432 (if (stringp charset)
2433 (setq charset (intern (downcase charset)))))))
2435 (setq charset (mm-read-coding-system "Charset: " charset)))
2437 (setq charset gnus-newsgroup-charset))
2439 (and type (let ((case-fold-search t))
2440 (string-match "quoted-printable" type))))
2442 (quoted-printable-decode-region
2443 (point) (point-max) (mm-charset-to-coding-system charset))))))
2445 (defun article-de-base64-unreadable (&optional force read-charset)
2446 "Translate a base64 article.
2447 If FORCE, decode the article whether it is marked as base64 not.
2448 If READ-CHARSET, ask for a coding system."
2449 (interactive (list 'force current-prefix-arg))
2451 (let ((buffer-read-only nil) type charset)
2452 (if (gnus-buffer-live-p gnus-original-article-buffer)
2453 (with-current-buffer gnus-original-article-buffer
2455 (gnus-fetch-field "content-transfer-encoding"))
2456 (let* ((ct (gnus-fetch-field "content-type"))
2459 (mail-header-parse-content-type ct)))))
2460 (setq charset (and ctl
2461 (mail-content-type-get ctl 'charset)))
2462 (if (stringp charset)
2463 (setq charset (intern (downcase charset)))))))
2465 (setq charset (mm-read-coding-system "Charset: " charset)))
2467 (setq charset gnus-newsgroup-charset))
2469 (and type (let ((case-fold-search t))
2470 (string-match "base64" type))))
2473 (narrow-to-region (point) (point-max))
2474 (base64-decode-region (point-min) (point-max))
2475 (mm-decode-coding-region
2476 (point-min) (point-max) (mm-charset-to-coding-system charset)))))))
2481 (defun article-decode-HZ ()
2482 "Translate a HZ-encoded article."
2486 (let ((buffer-read-only nil))
2487 (rfc1843-decode-region (point-min) (point-max)))))
2489 (defun article-unsplit-urls ()
2490 "Remove the newlines that some other mailers insert into URLs."
2493 (let ((buffer-read-only nil))
2494 (goto-char (point-min))
2495 (while (re-search-forward
2496 "^\\(\\(https?\\|ftp\\)://\\S-+\\) *\n\\(\\S-+\\)" nil t)
2497 (replace-match "\\1\\3" t)))
2498 (when (interactive-p)
2499 (gnus-treat-article nil))))
2502 (defun article-wash-html (&optional read-charset)
2503 "Format an HTML article.
2504 If READ-CHARSET, ask for a coding system."
2507 (let ((buffer-read-only nil)
2509 (when (gnus-buffer-live-p gnus-original-article-buffer)
2510 (with-current-buffer gnus-original-article-buffer
2511 (let* ((ct (gnus-fetch-field "content-type"))
2514 (mail-header-parse-content-type ct)))))
2515 (setq charset (and ctl
2516 (mail-content-type-get ctl 'charset)))
2517 (when (stringp charset)
2518 (setq charset (intern (downcase charset)))))))
2520 (setq charset (mm-read-coding-system "Charset: " charset)))
2522 (setq charset gnus-newsgroup-charset))
2524 (save-window-excursion
2526 (narrow-to-region (point) (point-max))
2527 (let* ((func (or gnus-article-wash-function mm-text-html-renderer))
2528 (entry (assq func mm-text-html-washer-alist)))
2530 (setq func (cdr entry)))
2535 (apply (car func) (cdr func))))))))))
2537 (defun gnus-article-wash-html-with-w3 ()
2538 "Wash the current buffer with w3."
2540 (let ((w3-strict-width (window-width))
2541 (url-standalone-mode t)
2542 (url-gateway-unplugged t)
2543 (w3-honor-stylesheets nil))
2545 (w3-region (point-min) (point-max))
2548 (defun gnus-article-wash-html-with-w3m ()
2549 "Wash the current buffer with emacs-w3m."
2552 (narrow-to-region (point) (point-max))
2553 (let ((w3m-safe-url-regexp mm-w3m-safe-url-regexp)
2554 w3m-force-redisplay)
2555 (w3m-region (point-min) (point-max)))
2556 (when (and mm-inline-text-html-with-w3m-keymap
2557 (boundp 'w3m-minor-mode-map)
2559 (add-text-properties
2560 (point-min) (point-max)
2561 (list 'keymap w3m-minor-mode-map
2562 ;; Put the mark meaning this part was rendered by emacs-w3m.
2563 'mm-inline-text-html-with-w3m t)))))
2565 (defun article-hide-list-identifiers ()
2566 "Remove list identifies from the Subject header.
2567 The `gnus-list-identifiers' variable specifies what to do."
2569 (let ((inhibit-point-motion-hooks t)
2570 (regexp (if (consp gnus-list-identifiers)
2571 (mapconcat 'identity gnus-list-identifiers " *\\|")
2572 gnus-list-identifiers))
2577 (article-narrow-to-head)
2578 (goto-char (point-min))
2579 (while (re-search-forward
2580 (concat "^Subject: +\\(R[Ee]: +\\)*\\(" regexp " *\\)")
2582 (delete-region (match-beginning 2) (match-end 0))
2583 (beginning-of-line))
2584 (when (re-search-forward
2585 "^Subject: +\\(\\(R[Ee]: +\\)+\\)R[Ee]: +" nil t)
2586 (delete-region (match-beginning 1) (match-end 1))))))))
2588 (defun article-hide-pem (&optional arg)
2589 "Toggle hiding of any PEM headers and signatures in the current article.
2590 If given a negative prefix, always show; if given a positive prefix,
2592 (interactive (gnus-article-hidden-arg))
2593 (unless (gnus-article-check-hidden-text 'pem arg)
2595 (let (buffer-read-only end)
2596 (goto-char (point-min))
2597 ;; Hide the horrendously ugly "header".
2598 (when (and (search-forward
2599 "\n-----BEGIN PRIVACY-ENHANCED MESSAGE-----\n"
2601 (setq end (1+ (match-beginning 0))))
2602 (gnus-add-wash-type 'pem)
2603 (gnus-article-hide-text-type
2605 (if (search-forward "\n\n" nil t)
2609 ;; Hide the trailer as well
2610 (when (search-forward "\n-----END PRIVACY-ENHANCED MESSAGE-----\n"
2612 (gnus-article-hide-text-type
2613 (match-beginning 0) (match-end 0) 'pem)))))))
2615 (defun article-strip-banner ()
2616 "Strip the banners specified by the `banner' group parameter and by
2617 `gnus-article-address-banner-alist'."
2621 (let ((inhibit-point-motion-hooks t))
2622 (when (gnus-parameter-banner gnus-newsgroup-name)
2623 (article-really-strip-banner
2624 (gnus-parameter-banner gnus-newsgroup-name)))
2625 (when gnus-article-address-banner-alist
2626 ;; It is necessary to encode from fields before checking,
2627 ;; because `mail-header-parse-addresses' does not work
2628 ;; (reliably) on decoded headers. And more, it is
2629 ;; impossible to use `gnus-fetch-original-field' here,
2630 ;; because `article-strip-banner' may be called in draft
2631 ;; buffers to preview them.
2632 (let ((from (save-restriction
2634 (article-narrow-to-head)
2635 (mail-fetch-field "from"))))
2638 (caar (mail-header-parse-addresses
2639 (mail-encode-encoded-word-string from)))))
2641 (dolist (pair gnus-article-address-banner-alist)
2642 (when (string-match (car pair) from)
2644 (article-really-strip-banner (cdr pair)))))))))))))
2646 (defun article-really-strip-banner (banner)
2647 "Strip the banner specified by the argument."
2650 (let ((inhibit-point-motion-hooks t)
2651 (gnus-signature-limit nil)
2655 ((eq banner 'signature)
2656 (when (gnus-article-narrow-to-signature)
2659 (delete-region (point) (point-max))))
2661 (if (setq banner (cdr (assq banner gnus-article-banner-alist)))
2662 (while (re-search-forward banner nil t)
2663 (delete-region (match-beginning 0) (match-end 0)))))
2665 (while (re-search-forward banner nil t)
2666 (delete-region (match-beginning 0) (match-end 0)))))))))
2668 (defun article-babel ()
2669 "Translate article using an online translation service."
2672 (gnus-with-article-buffer
2673 (when (article-goto-body)
2674 (let* ((start (point))
2676 (orig (buffer-substring start end))
2677 (trans (babel-as-string orig)))
2679 (narrow-to-region start end)
2680 (delete-region start end)
2683 (defun article-hide-signature (&optional arg)
2684 "Hide the signature in the current article.
2685 If given a negative prefix, always show; if given a positive prefix,
2687 (interactive (gnus-article-hidden-arg))
2693 (article-goto-body))
2694 (goto-char (point-min)))
2695 (unless (gnus-article-check-hidden-text 'signature arg)
2696 (let ((buffer-read-only nil)
2698 (while (setq button (text-property-any button (point-max)
2700 'gnus-signature-toggle))
2701 (setq button (text-property-not-all button (point-max)
2703 'gnus-signature-toggle))
2704 (when (and button (not (eobp)))
2705 (gnus-article-hide-text-type
2707 (next-single-property-change (1+ button) 'mime-view-entity
2710 (gnus-set-mode-line 'article))
2712 (defun article-strip-headers-in-body ()
2713 "Strip offensive headers from bodies."
2717 (let ((case-fold-search t))
2718 (when (looking-at "x-no-archive:")
2719 (gnus-delete-line)))))
2721 (defun article-strip-leading-blank-lines ()
2722 "Remove all blank lines from the beginning of the article."
2725 (let ((inhibit-point-motion-hooks t)
2727 (when (article-goto-body)
2728 (while (and (not (eobp))
2729 (looking-at "[ \t]*$"))
2730 (gnus-delete-line))))))
2732 (defun article-narrow-to-head ()
2733 "Narrow the buffer to the head of the message.
2734 Point is left at the beginning of the narrowed-to region."
2736 (goto-char (point-min))
2737 (if (search-forward "\n\n" nil 1)
2740 (goto-char (point-min)))
2742 (defun article-goto-body ()
2743 "Place point at the start of the body."
2744 (goto-char (point-min))
2746 ;; This variable is only bound when dealing with separate
2748 (article-goto-body-goes-to-point-min-p
2750 ((search-forward "\n\n" nil t)
2753 (goto-char (point-max))
2756 (defun article-strip-multiple-blank-lines ()
2757 "Replace consecutive blank lines with one empty line."
2760 (let ((inhibit-point-motion-hooks t)
2762 ;; First make all blank lines empty.
2764 (while (re-search-forward "^[ \t]+$" nil t)
2765 (unless (gnus-annotation-in-region-p
2766 (match-beginning 0) (match-end 0))
2767 (replace-match "" nil t)))
2768 ;; Then replace multiple empty lines with a single empty line.
2770 (while (re-search-forward "\n\n\\(\n+\\)" nil t)
2771 (unless (gnus-annotation-in-region-p
2772 (match-beginning 0) (match-end 0))
2773 (delete-region (match-beginning 1) (match-end 1)))))))
2775 (defun article-strip-leading-space ()
2776 "Remove all white space from the beginning of the lines in the article."
2779 (let ((inhibit-point-motion-hooks t)
2782 (while (re-search-forward "^[ \t]+" nil t)
2783 (replace-match "" t t)))))
2785 (defun article-strip-trailing-space ()
2786 "Remove all white space from the end of the lines in the article."
2789 (let ((inhibit-point-motion-hooks t)
2792 (while (re-search-forward "[ \t]+$" nil t)
2793 (replace-match "" t t)))))
2795 (defun article-strip-blank-lines ()
2796 "Strip leading, trailing and multiple blank lines."
2798 (article-strip-leading-blank-lines)
2799 (article-remove-trailing-blank-lines)
2800 (article-strip-multiple-blank-lines))
2802 (defun article-strip-all-blank-lines ()
2803 "Strip all blank lines."
2806 (let ((inhibit-point-motion-hooks t)
2809 (while (re-search-forward "^[ \t]*\n" nil t)
2810 (replace-match "" t t)))))
2812 (defun gnus-article-narrow-to-signature ()
2813 "Narrow to the signature; return t if a signature is found, else nil."
2814 (let ((inhibit-point-motion-hooks t))
2815 (when (gnus-article-search-signature)
2817 ;; Check whether we have some limits to what we consider
2818 ;; to be a signature.
2819 (let ((limits (if (listp gnus-signature-limit) gnus-signature-limit
2820 (list gnus-signature-limit)))
2822 (while (setq limit (pop limits))
2823 (if (or (and (integerp limit)
2824 (< (- (point-max) (point)) limit))
2826 (< (count-lines (point) (point-max)) limit))
2827 (and (functionp limit)
2829 (and (stringp limit)
2830 (not (re-search-forward limit nil t))))
2831 () ; This limit did not succeed.
2835 (narrow-to-region (point) (point-max))
2838 (defun gnus-article-search-signature ()
2839 "Search the current buffer for the signature separator.
2840 Put point at the beginning of the signature separator."
2841 (let ((cur (point)))
2842 (goto-char (point-max))
2843 (if (if (stringp gnus-signature-separator)
2844 (re-search-backward gnus-signature-separator nil t)
2845 (let ((seps gnus-signature-separator))
2847 (not (re-search-backward (car seps) nil t)))
2854 (defun gnus-article-hidden-arg ()
2855 "Return the current prefix arg as a number, or 0 if no prefix."
2856 (list (if current-prefix-arg
2857 (prefix-numeric-value current-prefix-arg)
2860 (defun gnus-article-check-hidden-text (type arg)
2861 "Return nil if hiding is necessary.
2862 Arg can be nil or a number. nil and positive means hide, negative
2863 means show, 0 means toggle."
2866 (let ((hide (gnus-article-hidden-text-p type)))
2872 (gnus-article-show-hidden-text type)
2875 (if (eq hide 'hidden)
2877 (gnus-article-show-hidden-text type)
2881 (defun gnus-article-hidden-text-p (type)
2882 "Say whether the current buffer contains hidden text of type TYPE."
2883 (let ((pos (text-property-any (point-min) (point-max) 'article-type type)))
2885 (not (get-text-property pos 'invisible))
2886 (not (get-text-property pos 'dummy-invisible)))
2888 (text-property-any (1+ pos) (point-max) 'article-type type)))
2893 (defun gnus-article-show-hidden-text (type &optional dummy)
2894 "Show all hidden text of type TYPE.
2895 Originally it is hide instead of DUMMY."
2896 (let ((buffer-read-only nil)
2897 (inhibit-point-motion-hooks t))
2898 (gnus-remove-text-properties-when
2900 (point-min) (point-max)
2901 (cons 'article-type (cons type
2902 gnus-hidden-properties)))
2903 (gnus-delete-wash-type type)))
2905 (defconst article-time-units
2906 `((year . ,(* 365.25 24 60 60))
2907 (week . ,(* 7 24 60 60))
2908 (day . ,(* 24 60 60))
2912 "Mapping from time units to seconds.")
2914 (defun gnus-article-forward-header ()
2915 "Move point to the start of the next header.
2916 If the current header is a continuation header, this can be several
2921 (if (looking-at "[ \t]+[^ \t]")
2925 (defun article-date-ut (&optional type highlight header)
2926 "Convert DATE date to universal time in the current article.
2927 If TYPE is `local', convert to local time; if it is `lapsed', output
2928 how much time has lapsed since DATE. For `lapsed', the value of
2929 `gnus-article-date-lapsed-new-header' says whether the \"X-Sent:\" header
2930 should replace the \"Date:\" one, or should be added below it."
2931 (interactive (list 'ut t))
2932 (let* ((header (or header
2933 (and (eq 1 (point-min))
2934 (mail-header-date (save-excursion
2935 (set-buffer gnus-summary-buffer)
2936 gnus-current-headers)))
2937 (message-fetch-field "date")
2939 (date (if (vectorp header) (mail-header-date header)
2941 (inhibit-point-motion-hooks t)
2942 bface eface date-pos)
2943 (when (and date (not (string= date "")))
2946 (article-narrow-to-head)
2947 (when (or (and (eq type 'lapsed)
2948 gnus-article-date-lapsed-new-header
2949 ;; Attempt to get the face of X-Sent first.
2950 (re-search-forward "^X-Sent:[ \t]" nil t))
2951 (re-search-forward "^Date:[ \t]" nil t)
2952 ;; If Date is missing, try again for X-Sent.
2953 (re-search-forward "^X-Sent:[ \t]" nil t))
2954 (setq bface (get-text-property (point-at-bol) 'face)
2955 date (or (get-text-property (point-at-bol)
2958 eface (get-text-property (1- (point-at-eol))
2960 (let ((buffer-read-only nil))
2961 ;; Delete any old X-Sent headers.
2962 (when (setq date-pos
2963 (text-property-any (point-min) (point-max)
2964 'article-date-lapsed t))
2965 (goto-char (setq date-pos (set-marker (make-marker) date-pos)))
2966 (delete-region (match-beginning 0)
2967 (progn (forward-line 1) (point))))
2968 (goto-char (point-min))
2969 ;; Delete any old Date headers.
2970 (while (re-search-forward "^Date:[ \t]" nil t)
2972 (setq date-pos (match-beginning 0)))
2973 (unless (and (eq type 'lapsed)
2974 gnus-article-date-lapsed-new-header)
2975 (delete-region (match-beginning 0)
2976 (progn (message-next-header) (point)))))
2979 (goto-char date-pos)
2981 ;; Possibly, Date has been deleted.
2983 (when (and (eq type 'lapsed)
2984 gnus-article-date-lapsed-new-header
2985 (looking-at "Date:"))
2987 (goto-char (point-min)))
2988 (insert (article-make-date-line date type))
2989 (when (eq type 'lapsed)
2990 (put-text-property (point-at-bol) (point)
2991 'article-date-lapsed t))
2995 (when (looking-at "\\([^:]+\\): *\\(.*\\)$")
2996 (put-text-property (match-beginning 1) (1+ (match-end 1))
2997 'original-date date)
2998 (put-text-property (match-beginning 1) (1+ (match-end 1))
3000 (put-text-property (match-beginning 2) (match-end 2)
3003 (defun article-make-date-line (date type)
3004 "Return a DATE line of TYPE."
3005 (unless (memq type '(local ut original user iso8601 lapsed english))
3006 (error "Unknown conversion type: %s" type))
3008 (let ((time (date-to-time date)))
3010 ;; Convert to the local timezone.
3012 (let ((tz (car (current-time-zone time))))
3013 (format "Date: %s %s%02d%02d" (current-time-string time)
3014 (if (> tz 0) "+" "-") (/ (abs tz) 3600)
3015 (/ (% (abs tz) 3600) 60))))
3016 ;; Convert to Universal Time.
3019 (current-time-string
3020 (let* ((e (parse-time-string date))
3021 (tm (apply 'encode-time e))
3023 (ls (- (cadr tm) (car (current-time-zone time)))))
3024 (cond ((< ls 0) (list (1- ms) (+ ls 65536)))
3025 ((> ls 65535) (list (1+ ms) (- ls 65536)))
3028 ;; Get the original date from the article.
3029 ((eq type 'original)
3030 (concat "Date: " (if (string-match "\n+$" date)
3031 (substring date 0 (match-beginning 0))
3033 ;; Let the user define the format.
3035 (let ((format (or (condition-case nil
3036 (with-current-buffer gnus-summary-buffer
3037 gnus-article-time-format)
3039 gnus-article-time-format)))
3040 (if (functionp format)
3041 (funcall format time)
3042 (concat "Date: " (format-time-string format time)))))
3045 (let ((tz (car (current-time-zone time))))
3048 (format-time-string "%Y%m%dT%H%M%S" time)
3049 (format "%s%02d%02d"
3050 (if (> tz 0) "+" "-") (/ (abs tz) 3600)
3051 (/ (% (abs tz) 3600) 60)))))
3052 ;; Do an X-Sent lapsed format.
3054 ;; If the date is seriously mangled, the timezone functions are
3055 ;; liable to bug out, so we ignore all errors.
3056 (let* ((now (current-time))
3057 (real-time (subtract-time now time))
3058 (real-sec (and real-time
3059 (+ (* (float (car real-time)) 65536)
3061 (sec (and real-time (abs real-sec)))
3071 ;; This is a bit convoluted, but basically we go
3072 ;; through the time units for years, weeks, etc,
3073 ;; and divide things to see whether that results
3074 ;; in positive answers.
3077 (if (zerop (setq num (ffloor (/ sec (cdr unit)))))
3078 ;; The (remaining) seconds are too few to
3079 ;; be divided into this time unit.
3081 ;; It's big enough, so we output it.
3082 (setq sec (- sec (* num (cdr unit))))
3084 (concat (if prev ", " "") (int-to-string
3086 " " (symbol-name (car unit))
3087 (if (> num 1) "s" ""))
3089 article-time-units "")
3090 ;; If dates are odd, then it might appear like the
3091 ;; article was sent in the future.
3094 " in the future"))))))
3095 ;; Display the date in proper English
3097 (let ((dtime (decode-time time)))
3100 (number-to-string (nth 3 dtime))
3101 (let ((digit (% (nth 3 dtime) 10)))
3103 ((memq (nth 3 dtime) '(11 12 13)) "th")
3109 (nth (1- (nth 4 dtime)) gnus-english-month-names)
3111 (number-to-string (nth 5 dtime))
3113 (format "%02d" (nth 2 dtime))
3115 (format "%02d" (nth 1 dtime)))))))
3117 (format "Date: %s (from T-gnus)" date))))
3119 (defun article-date-local (&optional highlight)
3120 "Convert the current article date to the local timezone."
3121 (interactive (list t))
3122 (article-date-ut 'local highlight))
3124 (defun article-date-english (&optional highlight)
3125 "Convert the current article date to something that is proper English."
3126 (interactive (list t))
3127 (article-date-ut 'english highlight))
3129 (defun article-date-original (&optional highlight)
3130 "Convert the current article date to what it was originally.
3131 This is only useful if you have used some other date conversion
3132 function and want to see what the date was before converting."
3133 (interactive (list t))
3134 (article-date-ut 'original highlight))
3136 (defun article-date-lapsed (&optional highlight)
3137 "Convert the current article date to time lapsed since it was sent."
3138 (interactive (list t))
3139 (article-date-ut 'lapsed highlight))
3141 (defun article-update-date-lapsed ()
3142 "Function to be run from a timer to update the lapsed time line."
3143 (let (deactivate-mark)
3148 (set-buffer (window-buffer w))
3149 (when (eq major-mode 'gnus-article-mode)
3150 (let ((mark (point-marker)))
3151 (goto-char (point-min))
3152 (when (re-search-forward "^X-Sent:" nil t)
3153 (article-date-lapsed t))
3154 (goto-char (marker-position mark))
3155 (move-marker mark nil))))
3158 (defun gnus-start-date-timer (&optional n)
3159 "Start a timer to update the X-Sent header in the article buffers.
3160 The numerical prefix says how frequently (in seconds) the function
3165 (gnus-stop-date-timer)
3166 (setq article-lapsed-timer
3167 (run-at-time 1 n 'article-update-date-lapsed)))
3169 (defun gnus-stop-date-timer ()
3170 "Stop the X-Sent timer."
3172 (when article-lapsed-timer
3173 (nnheader-cancel-timer article-lapsed-timer)
3174 (setq article-lapsed-timer nil)))
3176 (defun article-date-user (&optional highlight)
3177 "Convert the current article date to the user-defined format.
3178 This format is defined by the `gnus-article-time-format' variable."
3179 (interactive (list t))
3180 (article-date-ut 'user highlight))
3182 (defun article-date-iso8601 (&optional highlight)
3183 "Convert the current article date to ISO8601."
3184 (interactive (list t))
3185 (article-date-ut 'iso8601 highlight))
3187 ;; (defun article-show-all ()
3188 ;; "Show all hidden text in the article buffer."
3192 ;; (let ((buffer-read-only nil))
3193 ;; (gnus-article-unhide-text (point-min) (point-max))
3194 ;; (gnus-remove-text-with-property 'gnus-prev)
3195 ;; (gnus-remove-text-with-property 'gnus-next))))
3197 (defun article-show-all-headers ()
3198 "Show all hidden headers in the article buffer."
3203 (article-narrow-to-head)
3204 (let ((buffer-read-only nil))
3205 (gnus-article-unhide-text (point-min) (point-max))))))
3207 (defun article-remove-leading-whitespace ()
3208 "Remove excessive whitespace from all headers."
3212 (let ((buffer-read-only nil))
3213 (article-narrow-to-head)
3214 (goto-char (point-min))
3215 (while (re-search-forward "^[^ :]+: \\([ \t]+\\)" nil t)
3216 (delete-region (match-beginning 1) (match-end 1)))))))
3218 (defun article-emphasize (&optional arg)
3219 "Emphasize text according to `gnus-emphasis-alist'."
3220 (interactive (gnus-article-hidden-arg))
3221 (unless (gnus-article-check-hidden-text 'emphasis arg)
3225 (with-current-buffer gnus-summary-buffer
3226 gnus-article-emphasis-alist)
3228 gnus-emphasis-alist))
3229 (buffer-read-only nil)
3230 (props (append '(article-type emphasis)
3231 gnus-hidden-properties))
3232 regexp elem beg invisible visible face)
3235 (while (setq elem (pop alist))
3237 (setq regexp (car elem)
3238 invisible (nth 1 elem)
3239 visible (nth 2 elem)
3241 (while (re-search-forward regexp nil t)
3242 (when (and (match-beginning visible) (match-beginning invisible))
3243 (gnus-article-hide-text
3244 (match-beginning invisible) (match-end invisible) props)
3245 (gnus-article-unhide-text-type
3246 (match-beginning visible) (match-end visible) 'emphasis)
3247 (gnus-put-overlay-excluding-newlines
3248 (match-beginning visible) (match-end visible) 'face face)
3249 (gnus-add-wash-type 'emphasis)
3250 (goto-char (match-end invisible)))))))))
3252 (defun gnus-article-setup-highlight-words (&optional highlight-words)
3253 "Setup newsgroup emphasis alist."
3254 (unless gnus-article-emphasis-alist
3255 (let ((name (and gnus-newsgroup-name
3256 (gnus-group-real-name gnus-newsgroup-name))))
3257 (make-local-variable 'gnus-article-emphasis-alist)
3258 (setq gnus-article-emphasis-alist
3260 (let ((alist gnus-group-highlight-words-alist) elem highlight)
3261 (while (setq elem (pop alist))
3262 (when (and name (string-match (car elem) name))
3264 highlight (copy-sequence (cdr elem)))))
3266 (copy-sequence highlight-words)
3267 (if gnus-newsgroup-name
3268 (copy-sequence (gnus-group-find-parameter
3269 gnus-newsgroup-name 'highlight-words t)))
3270 gnus-emphasis-alist)))))
3273 (defvar gnus-summary-article-menu)
3274 (defvar gnus-summary-post-menu))
3276 ;;; Saving functions.
3278 (defun gnus-article-save (save-buffer file &optional num)
3279 "Save the currently selected article."
3280 (unless gnus-save-all-headers
3281 ;; Remove headers according to `gnus-saved-headers'.
3282 (let ((gnus-visible-headers
3283 (or gnus-saved-headers gnus-visible-headers))
3284 (gnus-article-buffer save-buffer))
3286 (set-buffer save-buffer)
3287 (article-hide-headers 1 t))))
3288 (save-window-excursion
3289 (if (not gnus-default-article-saver)
3290 (error "No default saver is defined")
3291 ;; !!! Magic! The saving functions all save
3292 ;; `gnus-save-article-buffer' (or so they think), but we
3293 ;; bind that variable to our save-buffer.
3294 (set-buffer gnus-article-buffer)
3295 (let* ((gnus-save-article-buffer save-buffer)
3298 ((not gnus-prompt-before-saving) 'default)
3299 ((eq gnus-prompt-before-saving 'always) nil)
3301 (gnus-number-of-articles-to-be-saved
3302 (when (eq gnus-prompt-before-saving t)
3304 (set-buffer gnus-article-current-summary)
3305 (funcall gnus-default-article-saver filename)))))
3307 (defun gnus-read-save-file-name (prompt &optional filename
3308 function group headers variable)
3310 (funcall function group headers (symbol-value variable)))
3315 ((eq filename 'default)
3321 (let* ((split-name (gnus-get-split-value gnus-split-methods))
3324 (if (and gnus-number-of-articles-to-be-saved
3325 (> gnus-number-of-articles-to-be-saved 1))
3326 (format "these %d articles"
3327 gnus-number-of-articles-to-be-saved)
3330 ;; Let the split methods have their say.
3332 ;; No split name was found.
3335 (concat prompt " (default "
3336 (file-name-nondirectory default-name) ") ")
3337 (file-name-directory default-name)
3339 ;; A single group name is returned.
3340 ((stringp split-name)
3342 (funcall function split-name headers
3343 (symbol-value variable)))
3345 (concat prompt " (default "
3346 (file-name-nondirectory default-name) ") ")
3347 (file-name-directory default-name)
3349 ;; A single split name was found
3350 ((= 1 (length split-name))
3351 (let* ((name (expand-file-name
3353 gnus-article-save-directory))
3354 (dir (cond ((file-directory-p name)
3355 (file-name-as-directory name))
3356 ((file-exists-p name) name)
3357 (t gnus-article-save-directory))))
3359 (concat prompt " (default " name ") ")
3361 ;; A list of splits was found.
3363 (setq split-name (nreverse split-name))
3365 (let ((file-name-history
3366 (nconc split-name file-name-history)))
3370 (concat prompt " (`M-p' for defaults) ")
3371 gnus-article-save-directory
3373 gnus-article-save-directory)))
3374 (car (push result file-name-history)))))))
3375 ;; Create the directory.
3376 (gnus-make-directory (file-name-directory file))
3377 ;; If we have read a directory, we append the default file name.
3378 (when (file-directory-p file)
3379 (setq file (expand-file-name (file-name-nondirectory
3381 (file-name-as-directory file))))
3382 ;; Possibly translate some characters.
3383 (nnheader-translate-file-chars file))))))
3384 (gnus-make-directory (file-name-directory result))
3385 (set variable result)))
3387 (defun gnus-article-archive-name (group)
3388 "Return the first instance of an \"Archive-name\" in the current buffer."
3389 (let ((case-fold-search t))
3390 (when (re-search-forward "archive-name: *\\([^ \n\t]+\\)[ \t]*$" nil t)
3391 (nnheader-concat gnus-article-save-directory
3392 (match-string 1)))))
3394 (defun gnus-article-nndoc-name (group)
3395 "If GROUP is an nndoc group, return the name of the parent group."
3396 (when (eq (car (gnus-find-method-for-group group)) 'nndoc)
3397 (gnus-group-get-parameter group 'save-article-group)))
3399 (defun gnus-summary-save-in-rmail (&optional filename)
3400 "Append this article to Rmail file.
3401 Optional argument FILENAME specifies file name.
3402 Directory to save to is default to `gnus-article-save-directory'."
3403 (setq filename (gnus-read-save-file-name
3404 "Save %s in rmail file:" filename
3405 gnus-rmail-save-name gnus-newsgroup-name
3406 gnus-current-headers 'gnus-newsgroup-last-rmail))
3407 (gnus-eval-in-buffer-window gnus-save-article-buffer
3411 (gnus-output-to-rmail filename))))
3414 (defun gnus-summary-save-in-mail (&optional filename)
3415 "Append this article to Unix mail file.
3416 Optional argument FILENAME specifies file name.
3417 Directory to save to is default to `gnus-article-save-directory'."
3418 (setq filename (gnus-read-save-file-name
3419 "Save %s in Unix mail file:" filename
3420 gnus-mail-save-name gnus-newsgroup-name
3421 gnus-current-headers 'gnus-newsgroup-last-mail))
3422 (gnus-eval-in-buffer-window gnus-save-article-buffer
3426 (if (and (file-readable-p filename)
3427 (file-regular-p filename)
3428 (mail-file-babyl-p filename))
3429 (rmail-output-to-rmail-file filename t)
3430 (gnus-output-to-mail filename)))))
3433 (defun gnus-summary-save-in-file (&optional filename overwrite)
3434 "Append this article to file.
3435 Optional argument FILENAME specifies file name.
3436 Directory to save to is default to `gnus-article-save-directory'."
3437 (setq filename (gnus-read-save-file-name
3438 "Save %s in file:" filename
3439 gnus-file-save-name gnus-newsgroup-name
3440 gnus-current-headers 'gnus-newsgroup-last-file))
3441 (gnus-eval-in-buffer-window gnus-save-article-buffer
3445 (when (and overwrite
3446 (file-exists-p filename))
3447 (delete-file filename))
3448 (gnus-output-to-file filename))))
3451 (defun gnus-summary-write-to-file (&optional filename)
3452 "Write this article to a file, overwriting it if the file exists.
3453 Optional argument FILENAME specifies file name.
3454 The directory to save in defaults to `gnus-article-save-directory'."
3455 (gnus-summary-save-in-file nil t))
3457 (defun gnus-summary-save-body-in-file (&optional filename)
3458 "Append this article body to a file.
3459 Optional argument FILENAME specifies file name.
3460 The directory to save in defaults to `gnus-article-save-directory'."
3461 (setq filename (gnus-read-save-file-name
3462 "Save %s body in file:" filename
3463 gnus-file-save-name gnus-newsgroup-name
3464 gnus-current-headers 'gnus-newsgroup-last-file))
3465 (gnus-eval-in-buffer-window gnus-save-article-buffer
3469 (when (article-goto-body)
3470 (narrow-to-region (point) (point-max)))
3471 (gnus-output-to-file filename))))
3474 (defun gnus-summary-save-in-pipe (&optional command)
3475 "Pipe this article to subprocess."
3477 (cond ((and (eq command 'default)
3478 gnus-last-shell-command)
3479 gnus-last-shell-command)
3484 "Shell command on %s: "
3485 (if (and gnus-number-of-articles-to-be-saved
3486 (> gnus-number-of-articles-to-be-saved 1))
3487 (format "these %d articles"
3488 gnus-number-of-articles-to-be-saved)
3490 gnus-last-shell-command))))
3491 (when (string-equal command "")
3492 (if gnus-last-shell-command
3493 (setq command gnus-last-shell-command)
3494 (error "A command is required")))
3495 (gnus-eval-in-buffer-window gnus-article-buffer
3498 (shell-command-on-region (point-min) (point-max) command nil)))
3499 (setq gnus-last-shell-command command))
3501 (defun gnus-summary-pipe-to-muttprint (&optional command)
3502 "Pipe this article to muttprint."
3503 (setq command (read-string
3504 "Print using command: " gnus-summary-muttprint-program
3505 nil gnus-summary-muttprint-program))
3506 (gnus-summary-save-in-pipe command))
3508 ;;; Article file names when saving.
3510 (defun gnus-capitalize-newsgroup (newsgroup)
3511 "Capitalize NEWSGROUP name."
3512 (when (not (zerop (length newsgroup)))
3513 (concat (char-to-string (upcase (aref newsgroup 0)))
3514 (substring newsgroup 1))))
3516 (defun gnus-Numeric-save-name (newsgroup headers &optional last-file)
3517 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3518 If variable `gnus-use-long-file-name' is non-nil, it is ~/News/News.group/num.
3519 Otherwise, it is like ~/News/news/group/num."
3522 (concat (if (gnus-use-long-file-name 'not-save)
3523 (gnus-capitalize-newsgroup newsgroup)
3524 (gnus-newsgroup-directory-form newsgroup))
3525 "/" (int-to-string (mail-header-number headers)))
3526 gnus-article-save-directory)))
3528 (string-equal (file-name-directory default)
3529 (file-name-directory last-file))
3530 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
3532 (or last-file default))))
3534 (defun gnus-numeric-save-name (newsgroup headers &optional last-file)
3535 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3536 If variable `gnus-use-long-file-name' is non-nil, it is
3537 ~/News/news.group/num. Otherwise, it is like ~/News/news/group/num."
3540 (concat (if (gnus-use-long-file-name 'not-save)
3542 (gnus-newsgroup-directory-form newsgroup))
3543 "/" (int-to-string (mail-header-number headers)))
3544 gnus-article-save-directory)))
3546 (string-equal (file-name-directory default)
3547 (file-name-directory last-file))
3548 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
3550 (or last-file default))))
3552 (defun gnus-plain-save-name (newsgroup headers &optional last-file)
3553 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3554 If variable `gnus-use-long-file-name' is non-nil, it is
3555 ~/News/news.group. Otherwise, it is like ~/News/news/group/news."
3558 (if (gnus-use-long-file-name 'not-save)
3561 (expand-file-name "news" (gnus-newsgroup-directory-form newsgroup))
3563 gnus-article-save-directory)))
3565 (defun gnus-sender-save-name (newsgroup headers &optional last-file)
3566 "Generate file name from sender."
3567 (let ((from (mail-header-from headers)))
3569 (if (and from (string-match "\\([^ <]+\\)@" from))
3570 (match-string 1 from)
3572 gnus-article-save-directory)))
3574 (defun article-verify-x-pgp-sig ()
3577 (if (gnus-buffer-live-p gnus-original-article-buffer)
3578 (let ((sig (with-current-buffer gnus-original-article-buffer
3579 (gnus-fetch-field "X-PGP-Sig")))
3583 (mml2015-clear-verify-function))
3585 (insert-buffer-substring gnus-original-article-buffer)
3586 (setq items (split-string sig))
3587 (message-narrow-to-head)
3588 (let ((inhibit-point-motion-hooks t)
3589 (case-fold-search t))
3590 ;; Don't verify multiple headers.
3591 (setq headers (mapconcat (lambda (header)
3593 (mail-fetch-field header)
3595 (split-string (nth 1 items) ",") "")))
3596 (delete-region (point-min) (point-max))
3597 (insert "-----BEGIN PGP SIGNED MESSAGE-----\n\n")
3598 (insert "X-Signed-Headers: " (nth 1 items) "\n")
3603 (if (looking-at "^-")
3606 (insert "\n-----BEGIN PGP SIGNATURE-----\n")
3607 (insert "Version: " (car items) "\n\n")
3608 (insert (mapconcat 'identity (cddr items) "\n"))
3609 (insert "\n-----END PGP SIGNATURE-----\n")
3610 (let ((mm-security-handle (list (format "multipart/signed"))))
3611 (mml2015-clean-buffer)
3612 (let ((coding-system-for-write (or gnus-newsgroup-charset
3614 (funcall (mml2015-clear-verify-function)))
3616 (or (mm-handle-multipart-ctl-parameter
3617 mm-security-handle 'gnus-details)
3618 (mm-handle-multipart-ctl-parameter
3619 mm-security-handle 'gnus-info)))))
3621 (let (buffer-read-only bface eface)
3623 (message-narrow-to-head)
3624 (goto-char (point-max))
3626 (setq bface (get-text-property (point-at-bol) 'face)
3627 eface (get-text-property (1- (point-at-eol)) 'face))
3628 (message-remove-header "X-Gnus-PGP-Verify")
3629 (if (re-search-forward "^X-PGP-Sig:" nil t)
3631 (goto-char (point-max)))
3632 (narrow-to-region (point) (point))
3633 (insert "X-Gnus-PGP-Verify: " info "\n")
3634 (goto-char (point-min))
3637 (if (not (looking-at "^[ \t]"))
3641 (goto-char (point-min))
3642 (when (looking-at "\\([^:]+\\): *")
3643 (put-text-property (match-beginning 1) (1+ (match-end 1))
3645 (put-text-property (match-end 0) (point-max)
3646 'face eface)))))))))
3648 (defun article-verify-cancel-lock ()
3649 "Verify Cancel-Lock header."
3651 (if (gnus-buffer-live-p gnus-original-article-buffer)
3652 (canlock-verify gnus-original-article-buffer)))
3654 (defun article-monafy ()
3655 "Display body part with mona font."
3657 (unless (if (featurep 'xemacs)
3658 (find-face 'gnus-mona-face)
3659 (facep 'gnus-mona-face))
3660 (require 'navi2ch-mona)
3661 (set-face-font (make-face 'gnus-mona-face) navi2ch-mona-font))
3663 (let ((buffer-read-only nil))
3666 (gnus-make-overlay (point) (point-max))
3667 'face 'gnus-mona-face))))
3674 (setq afunc (car func)
3677 gfunc (intern (format "gnus-%s" func))))
3679 (when (fboundp afunc)
3680 `(lambda (&optional interactive &rest args)
3681 ,(documentation afunc t)
3682 (interactive (list t))
3684 (set-buffer gnus-article-buffer)
3686 (call-interactively ',afunc)
3687 (apply ',afunc args))))))))
3688 '(article-hide-headers
3689 article-verify-x-pgp-sig
3690 article-verify-cancel-lock
3692 article-hide-boring-headers
3693 article-treat-overstrike
3694 article-treat-ansi-sequences
3695 article-fill-long-lines
3696 article-capitalize-sentences
3698 article-remove-leading-whitespace
3699 article-display-x-face
3700 article-display-face
3701 article-de-quoted-unreadable
3702 article-de-base64-unreadable
3705 article-unsplit-urls
3706 article-hide-list-identifiers
3707 article-strip-banner
3710 article-hide-signature
3711 article-strip-headers-in-body
3712 article-remove-trailing-blank-lines
3713 article-strip-leading-blank-lines
3714 article-strip-multiple-blank-lines
3715 article-strip-leading-space
3716 article-strip-trailing-space
3717 article-strip-blank-lines
3718 article-strip-all-blank-lines
3720 article-date-english
3721 article-date-iso8601
3722 article-date-original
3724 article-decode-mime-words
3725 article-decode-charset
3726 article-decode-encoded-words
3730 article-treat-dumbquotes
3731 article-normalize-headers
3732 (article-show-all-headers . gnus-article-show-all-headers)
3733 ;; (article-show-all . gnus-article-show-all)
3737 ;;; Gnus article mode
3740 (put 'gnus-article-mode 'mode-class 'special)
3742 (gnus-define-keys gnus-article-mode-map
3743 " " gnus-article-goto-next-page
3744 "\177" gnus-article-goto-prev-page
3745 [delete] gnus-article-goto-prev-page
3746 [backspace] gnus-article-goto-prev-page
3747 "\C-c^" gnus-article-refer-article
3748 "h" gnus-article-show-summary
3749 "s" gnus-article-show-summary
3750 "\C-c\C-m" gnus-article-mail
3751 "?" gnus-article-describe-briefly
3752 "e" gnus-summary-edit-article
3753 "<" beginning-of-buffer
3755 "\C-c\C-i" gnus-info-find-node
3757 "R" gnus-article-reply-with-original
3758 "F" gnus-article-followup-with-original
3759 "\C-hk" gnus-article-describe-key
3760 "\C-hc" gnus-article-describe-key-briefly
3762 "\C-d" gnus-article-read-summary-keys
3763 "\M-*" gnus-article-read-summary-keys
3764 "\M-#" gnus-article-read-summary-keys
3765 "\M-^" gnus-article-read-summary-keys
3766 "\M-g" gnus-article-read-summary-keys)
3768 ;; Define almost undefined keys to `gnus-article-read-summary-keys'.
3772 (push (char-to-string key) keys)
3774 (dolist (elem (accessible-keymaps gnus-summary-mode-map))
3775 (setq key (car elem))
3776 (when (and (> (length key) 0)
3777 (not (eq 'menu-bar (aref key 0)))
3778 (symbolp (lookup-key gnus-summary-mode-map key)))
3781 (unless (lookup-key gnus-article-mode-map key)
3782 (define-key gnus-article-mode-map key 'gnus-article-read-summary-keys))))
3784 (defun gnus-article-make-menu-bar ()
3785 (unless (boundp 'gnus-article-commands-menu)
3786 (gnus-summary-make-menu-bar))
3787 (gnus-turn-off-edit-menu 'article)
3788 (unless (boundp 'gnus-article-article-menu)
3790 gnus-article-article-menu gnus-article-mode-map ""
3792 ["Scroll forwards" gnus-article-goto-next-page t]
3793 ["Scroll backwards" gnus-article-goto-prev-page t]
3794 ["Show summary" gnus-article-show-summary t]
3795 ["Fetch Message-ID at point" gnus-article-refer-article t]
3796 ["Mail to address at point" gnus-article-mail t]
3797 ["Send a bug report" gnus-bug t]))
3800 gnus-article-treatment-menu gnus-article-mode-map ""
3801 ;; Fixme: this should use :active (and maybe :visible).
3803 ["Hide headers" gnus-article-hide-headers t]
3804 ["Hide signature" gnus-article-hide-signature t]
3805 ["Hide citation" gnus-article-hide-citation t]
3806 ["Treat overstrike" gnus-article-treat-overstrike t]
3807 ["Treat ANSI sequences" gnus-article-treat-ansi-sequences t]
3808 ["Remove carriage return" gnus-article-remove-cr t]
3809 ["Remove leading whitespace" gnus-article-remove-leading-whitespace t]
3810 ["Treat html" gnus-article-wash-html t]
3811 ["Remove newlines from within URLs" gnus-article-unsplit-urls t]
3812 ["Decode HZ" gnus-article-decode-HZ t]))
3814 ;; Note "Commands" menu is defined in gnus-sum.el for consistency
3816 ;; Note "Post" menu is defined in gnus-sum.el for consistency
3818 (gnus-run-hooks 'gnus-article-menu-hook)))
3820 (defun gnus-article-mode ()
3821 "Major mode for displaying an article.
3823 All normal editing commands are switched off.
3825 The following commands are available in addition to all summary mode
3827 \\<gnus-article-mode-map>
3828 \\[gnus-article-next-page]\t Scroll the article one page forwards
3829 \\[gnus-article-prev-page]\t Scroll the article one page backwards
3830 \\[gnus-article-refer-article]\t Go to the article referred to by an article id near point
3831 \\[gnus-article-show-summary]\t Display the summary buffer
3832 \\[gnus-article-mail]\t Send a reply to the address near point
3833 \\[gnus-article-describe-briefly]\t Describe the current mode briefly
3834 \\[gnus-info-find-node]\t Go to the Gnus info node"
3836 (gnus-simplify-mode-line)
3837 (setq mode-name "Article")
3838 (setq major-mode 'gnus-article-mode)
3839 (make-local-variable 'minor-mode-alist)
3840 (unless (assq 'gnus-show-mime minor-mode-alist)
3841 (push (list 'gnus-show-mime " MIME") minor-mode-alist))
3842 (use-local-map gnus-article-mode-map)
3843 (when (gnus-visual-p 'article-menu 'menu)
3844 (gnus-article-make-menu-bar)
3845 (when gnus-summary-tool-bar-map
3846 (set (make-local-variable 'tool-bar-map) gnus-summary-tool-bar-map)))
3847 (gnus-update-format-specifications nil 'article-mode)
3848 (set (make-local-variable 'page-delimiter) gnus-page-delimiter)
3849 (set (make-local-variable 'gnus-page-broken) nil)
3850 (make-local-variable 'gnus-button-marker-list)
3851 (make-local-variable 'gnus-article-current-summary)
3852 (make-local-variable 'gnus-article-mime-handles)
3853 (make-local-variable 'gnus-article-decoded-p)
3854 (make-local-variable 'gnus-article-mime-handle-alist)
3855 (make-local-variable 'gnus-article-wash-types)
3856 (make-local-variable 'gnus-article-image-alist)
3857 (make-local-variable 'gnus-article-charset)
3858 (make-local-variable 'gnus-article-ignored-charsets)
3859 (gnus-set-default-directory)
3860 (buffer-disable-undo)
3861 (setq buffer-read-only t
3862 show-trailing-whitespace nil)
3863 (set-syntax-table gnus-article-mode-syntax-table)
3864 (gnus-run-hooks 'gnus-article-mode-hook))
3866 (defun gnus-article-setup-buffer ()
3867 "Initialize the article buffer."
3868 (let* ((name (if gnus-single-article-buffer "*Article*"
3869 (concat "*Article " gnus-newsgroup-name "*")))
3871 (progn (string-match "\\*Article" name)
3872 (concat " *Original Article"
3873 (substring name (match-end 0))))))
3874 (setq gnus-article-buffer name)
3875 (setq gnus-original-article-buffer original)
3876 (setq gnus-article-mime-handle-alist nil)
3877 ;; This might be a variable local to the summary buffer.
3878 (unless gnus-single-article-buffer
3880 (set-buffer gnus-summary-buffer)
3881 (setq gnus-article-buffer name)
3882 (setq gnus-original-article-buffer original)
3883 (gnus-set-global-variables)))
3884 (gnus-article-setup-highlight-words)
3885 ;; Init original article buffer.
3887 (set-buffer (gnus-get-buffer-create gnus-original-article-buffer))
3888 (set-buffer-multibyte t)
3889 (setq major-mode 'gnus-original-article-mode)
3890 (make-local-variable 'gnus-original-article))
3891 (if (get-buffer name)
3894 (when (and gnus-article-edit-mode
3897 (y-or-n-p "Article mode edit in progress; discard? ")))
3898 (error "Action aborted"))
3899 (set (make-local-variable 'gnus-article-edit-mode) nil)
3900 (buffer-disable-undo)
3901 (setq buffer-read-only t)
3902 ;; This list just keeps growing if we don't reset it.
3903 (setq gnus-button-marker-list nil)
3904 (unless (eq major-mode 'gnus-article-mode)
3905 (gnus-article-mode))
3908 (set-buffer (gnus-get-buffer-create name))
3910 (make-local-variable 'gnus-summary-buffer)
3911 (gnus-summary-set-local-parameters gnus-newsgroup-name)
3912 (current-buffer)))))
3914 ;; Set article window start at LINE, where LINE is the number of lines
3915 ;; from the head of the article.
3916 (defun gnus-article-set-window-start (&optional line)
3918 (gnus-get-buffer-window gnus-article-buffer t)
3920 (set-buffer gnus-article-buffer)
3921 (goto-char (point-min))
3924 (gnus-message 6 "Moved to bookmark")
3925 (search-forward "\n\n" nil t)
3929 ;;; @@ article filters
3932 (defun gnus-article-display-mime-message ()
3933 "Article display method for MIME message."
3934 ;; called from `gnus-original-article-buffer'.
3935 (let (charset all-headers)
3936 (with-current-buffer gnus-summary-buffer
3937 (setq charset default-mime-charset
3938 all-headers gnus-have-all-headers))
3939 (make-local-variable 'default-mime-charset)
3940 (setq default-mime-charset charset)
3941 (with-current-buffer (get-buffer-create gnus-article-buffer)
3942 (make-local-variable 'default-mime-charset)
3943 (setq default-mime-charset charset))
3944 (mime-display-message mime-message-structure
3945 gnus-article-buffer nil gnus-article-mode-map)
3947 (gnus-article-hide-headers nil -1)))
3948 (run-hooks 'gnus-mime-article-prepare-hook))
3950 (defun gnus-article-display-traditional-message ()
3951 "Article display method for traditional message."
3952 (set-buffer gnus-article-buffer)
3953 (let (buffer-read-only)
3955 (insert-buffer-substring gnus-original-article-buffer)))
3957 (defun gnus-article-make-full-mail-header (&optional number charset)
3958 "Create a new mail header structure in a raw article buffer."
3959 (unless (and number charset)
3960 (save-current-buffer
3961 (set-buffer gnus-summary-buffer)
3963 (setq number (or (cdr gnus-article-current) 0)))
3965 (setq charset (or default-mime-charset 'x-ctext)))))
3966 (goto-char (point-min))
3967 (let ((header-end (if (search-forward "\n\n" nil t)
3969 (goto-char (point-max))))
3970 (chars (- (point-max) (point)))
3971 (lines (count-lines (point) (point-max)))
3972 (default-mime-charset charset)
3974 (narrow-to-region (point-min) header-end)
3975 (setq xref (std11-fetch-field "xref"))
3977 (make-full-mail-header
3979 (std11-fetch-field "subject")
3980 (std11-fetch-field "from")
3981 (std11-fetch-field "date")
3982 (std11-fetch-field "message-id")
3983 (std11-fetch-field "references")
3986 (when xref (concat "Xref: " xref)))
3989 (defun gnus-article-prepare (article &optional all-headers header)
3990 "Prepare ARTICLE in article mode buffer.
3991 ARTICLE should either be an article number or a Message-ID.
3992 If ARTICLE is an id, HEADER should be the article headers.
3993 If ALL-HEADERS is non-nil, no headers are hidden."
3995 ;; Make sure we start in a summary buffer.
3996 (unless (eq major-mode 'gnus-summary-mode)
3997 (set-buffer gnus-summary-buffer))
3998 (setq gnus-summary-buffer (current-buffer))
3999 (let* ((gnus-article (if header (mail-header-number header) article))
4000 (summary-buffer (current-buffer))
4001 (gnus-tmp-internal-hook gnus-article-internal-prepare-hook)
4002 (group gnus-newsgroup-name)
4005 (gnus-article-setup-buffer)
4006 (set-buffer gnus-article-buffer)
4007 ;; Deactivate active regions.
4008 (when (and (boundp 'transient-mark-mode)
4009 transient-mark-mode)
4010 (setq mark-active nil))
4011 (if (not (setq result (let ((buffer-read-only nil))
4012 (gnus-request-article-this-buffer
4014 ;; There is no such article.
4016 (when (and (numberp article)
4017 (not (memq article gnus-newsgroup-sparse)))
4018 (setq gnus-article-current
4019 (cons gnus-newsgroup-name article))
4020 (set-buffer gnus-summary-buffer)
4021 (setq gnus-current-article article)
4022 (if (and (memq article gnus-newsgroup-undownloaded)
4023 (not (gnus-online (gnus-find-method-for-group
4024 gnus-newsgroup-name))))
4026 (gnus-summary-set-agent-mark article)
4027 (message "Message marked for downloading"))
4028 (gnus-summary-mark-article article gnus-canceled-mark)
4029 (unless (memq article gnus-newsgroup-sparse)
4030 (gnus-error 1 "No such article (may have expired or been canceled)")))))
4031 (if (or (eq result 'pseudo)
4032 (eq result 'nneething))
4035 (set-buffer summary-buffer)
4036 (push article gnus-newsgroup-history)
4037 (setq gnus-last-article gnus-current-article
4038 gnus-current-article 0
4039 gnus-current-headers nil
4040 gnus-article-current nil)
4041 (if (eq result 'nneething)
4042 (gnus-configure-windows 'summary)
4043 (gnus-configure-windows 'article))
4044 (gnus-set-global-variables))
4045 (let ((gnus-article-mime-handle-alist-1
4046 gnus-article-mime-handle-alist))
4047 (gnus-set-mode-line 'article)))
4048 ;; The result from the `request' was an actual article -
4049 ;; or at least some text that is now displayed in the
4051 (when (and (numberp article)
4052 (not (eq article gnus-current-article)))
4053 ;; Seems like a new article has been selected.
4054 ;; `gnus-current-article' must be an article number.
4056 (set-buffer summary-buffer)
4057 (push article gnus-newsgroup-history)
4058 (setq gnus-last-article gnus-current-article
4059 gnus-current-article article
4060 gnus-current-headers
4061 (gnus-summary-article-header gnus-current-article)
4062 gnus-article-current
4063 (cons gnus-newsgroup-name gnus-current-article))
4064 (unless (vectorp gnus-current-headers)
4065 (setq gnus-current-headers nil))
4066 (gnus-summary-goto-subject gnus-current-article)
4067 (when (gnus-summary-show-thread)
4068 ;; If the summary buffer really was folded, the
4069 ;; previous goto may not actually have gone to
4070 ;; the right article, but the thread root instead.
4072 (gnus-summary-goto-subject gnus-current-article))
4073 (gnus-run-hooks 'gnus-mark-article-hook)
4074 (gnus-set-mode-line 'summary)
4075 (when (gnus-visual-p 'article-highlight 'highlight)
4076 (gnus-run-hooks 'gnus-visual-mark-article-hook))
4077 ;; Set the global newsgroup variables here.
4078 (gnus-set-global-variables)
4079 (setq gnus-have-all-headers
4080 (or all-headers gnus-show-all-headers))))
4082 (gnus-configure-windows 'article))
4083 (when (or (numberp article)
4085 (gnus-article-prepare-display)
4087 (goto-char (point-min))
4088 (when gnus-break-pages
4089 (gnus-narrow-to-page)))
4090 (let ((gnus-article-mime-handle-alist-1
4091 gnus-article-mime-handle-alist))
4092 (gnus-set-mode-line 'article))
4096 (set-window-point (get-buffer-window (current-buffer)) (point))
4097 (gnus-configure-windows 'article)
4100 (defun gnus-article-prepare-mime-display (&optional number)
4101 (goto-char (point-min))
4102 (when (re-search-forward "^[^\t ]+:" nil t)
4103 (goto-char (match-beginning 0)))
4104 (let ((entity (if (eq 1 (point-min))
4105 (get-text-property 1 'mime-view-entity)
4106 (get-text-property (point) 'mime-view-entity)))
4107 last-entity child-entity next type)
4108 (setq child-entity (mime-entity-children entity))
4110 (setq last-entity (nth (1- (length child-entity))
4112 (setq last-entity entity))
4114 (narrow-to-region (point)
4115 (if (search-forward "\n\n" nil t)
4118 (gnus-treat-article 'head)
4119 (put-text-property (point-min) (point-max) 'article-treated-header t)
4120 (goto-char (point-max)))
4121 (while (and (not (eobp)) entity)
4122 (setq next (set-marker
4124 (next-single-property-change (point) 'mime-view-entity
4126 (let ((types (mime-entity-content-type entity)))
4127 (while (eq 'multipart (mime-content-type-primary-type types))
4128 (setq entity (car (mime-entity-children entity))
4129 types (mime-entity-content-type entity)))
4131 (setq type (format "%s/%s"
4132 (mime-content-type-primary-type types)
4133 (mime-content-type-subtype types)))))
4134 (if (string-equal type "message/rfc822")
4137 (let ((children (mime-entity-children entity))
4140 (setq last-children (nth (1- (length children)) children))
4143 (not (eq last-children
4144 (get-text-property next 'mime-view-entity)))
4146 (next-single-property-change next
4148 nil (point-max)))))))
4149 (setq next (next-single-property-change next 'mime-view-entity
4152 (narrow-to-region (point) next)
4153 (gnus-article-prepare-mime-display)
4154 (goto-char (point-max)))
4155 (setq entity (get-text-property (point) 'mime-view-entity)))
4157 (narrow-to-region (point) next)
4158 ;; Kludge. We have to count true number, but for now,
4159 ;; part number is here only to achieve `last'.
4160 (gnus-treat-article nil 1
4161 (if (eq entity last-entity)
4164 (goto-char (point-max)))
4165 (setq entity (get-text-property next 'mime-view-entity))))))
4168 (defun gnus-article-prepare-display ()
4169 "Make the current buffer look like a nice article."
4170 (let ((gnus-article-buffer (current-buffer))
4172 (unless (eq major-mode 'gnus-article-mode)
4173 (gnus-article-mode))
4174 (setq buffer-read-only nil
4175 gnus-button-marker-list nil
4176 gnus-article-wash-types nil
4177 gnus-article-image-alist nil)
4180 (static-if (featurep 'xemacs)
4181 (map-extents (lambda (extent maparg) (delete-extent extent)))
4182 (let ((lists (overlay-lists)))
4183 (dolist (overlay (nconc (car lists) (cdr lists)))
4184 (delete-overlay overlay)))))
4185 (gnus-run-hooks 'gnus-tmp-internal-hook))
4186 (let ((show-mime (unless (member gnus-newsgroup-name '("nndraft:delayed"
4189 (inhibit-read-only t))
4190 (set-buffer gnus-original-article-buffer)
4192 (setq mime-message-structure gnus-current-headers)
4193 (mime-buffer-entity-set-buffer-internal mime-message-structure
4194 gnus-original-article-buffer)
4195 (mime-entity-set-representation-type-internal mime-message-structure
4196 'mime-buffer-entity)
4197 (luna-send mime-message-structure 'initialize-instance
4198 mime-message-structure)
4200 (let (mime-display-header-hook mime-display-text/plain-hook)
4201 (funcall gnus-article-display-method-for-mime))
4202 (funcall gnus-article-display-method-for-traditional))
4203 ;; Call the treatment functions.
4207 (gnus-article-prepare-mime-display)
4208 (narrow-to-region (goto-char (point-min))
4209 (if (search-forward "\n\n" nil t)
4212 (gnus-treat-article 'head)
4213 (put-text-property (point-min) (point-max) 'article-treated-header t)
4214 (goto-char (point-max))
4216 (narrow-to-region (point) (point-max))
4217 (gnus-treat-article nil))
4218 (put-text-property (point-min) (point-max) 'read-only nil)))
4219 (gnus-run-hooks 'gnus-article-prepare-hook))
4221 (defun gnus-article-decode-article-as-default-mime-charset ()
4222 "Decode an article as `default-mime-charset'. It won't work if the
4223 value of the variable `gnus-show-mime' is non-nil."
4224 (unless (or gnus-show-mime
4225 (member gnus-newsgroup-name '("nndraft:delayed"
4227 (set (make-local-variable 'default-mime-charset)
4228 (with-current-buffer gnus-summary-buffer
4229 default-mime-charset))
4230 (decode-mime-charset-region (point-min) (point-max)
4231 default-mime-charset)))
4234 ;;; Gnus MIME viewing functions
4237 (defvar gnus-mime-button-line-format "%{%([%p. %d%T]%)%}%e\n"
4238 "Format of the MIME buttons.
4240 Valid specifiers include:
4242 %T MIME type, along with additional info
4243 %n The `name' parameter
4244 %d The description, if any
4245 %l The length of the encoded part
4246 %p The part identifier number
4247 %e Dots if the part isn't displayed
4249 General format specifiers can also be used. See Info node
4250 `(gnus)Formatting Variables'.")
4252 (defvar gnus-mime-button-line-format-alist
4253 '((?t gnus-tmp-type ?s)
4254 (?T gnus-tmp-type-long ?s)
4255 (?n gnus-tmp-name ?s)
4256 (?d gnus-tmp-description ?s)
4258 (?l gnus-tmp-length ?d)
4259 (?e gnus-tmp-dots ?s)))
4261 (defvar gnus-mime-button-commands
4262 '((gnus-article-press-button "\r" "Toggle Display")
4263 (gnus-mime-view-part "v" "View Interactively...")
4264 (gnus-mime-view-part-as-type "t" "View As Type...")
4265 (gnus-mime-view-part-as-charset "C" "View As charset...")
4266 (gnus-mime-save-part "o" "Save...")
4267 (gnus-mime-save-part-and-strip "\C-o" "Save and Strip")
4268 (gnus-mime-delete-part "d" "Delete part")
4269 (gnus-mime-copy-part "c" "View As Text, In Other Buffer")
4270 (gnus-mime-inline-part "i" "View As Text, In This Buffer")
4271 (gnus-mime-view-part-internally "E" "View Internally")
4272 (gnus-mime-view-part-externally "e" "View Externally")
4273 (gnus-mime-print-part "p" "Print")
4274 (gnus-mime-pipe-part "|" "Pipe To Command...")
4275 (gnus-mime-action-on-part "." "Take action on the part...")))
4277 (defun gnus-article-mime-part-status ()
4278 (with-current-buffer gnus-article-buffer
4279 (let ((entity (get-text-property (point-min) 'mime-view-entity))
4282 (setq children (mime-entity-children entity))
4283 (setq children (length children)))
4286 (format " (%d parts)" children))
4289 (defvar gnus-mime-button-map
4290 (let ((map (make-sparse-keymap)))
4291 (define-key map gnus-mouse-2 'gnus-article-push-button)
4292 (define-key map gnus-down-mouse-3 'gnus-mime-button-menu)
4293 (dolist (c gnus-mime-button-commands)
4294 (define-key map (cadr c) (car c)))
4298 gnus-mime-button-menu gnus-mime-button-map "MIME button menu."
4300 ,@(mapcar (lambda (c)
4301 (vector (caddr c) (car c) :enable t))
4302 gnus-mime-button-commands)))
4304 (defun gnus-mime-button-menu (event prefix)
4305 "Construct a context-sensitive menu of MIME commands."
4306 (interactive "e\nP")
4307 (save-window-excursion
4308 (let ((pos (event-start event)))
4309 (select-window (posn-window pos))
4310 (goto-char (posn-point pos))
4311 (gnus-article-check-buffer)
4312 (popup-menu gnus-mime-button-menu nil prefix))))
4314 (defun gnus-mime-view-all-parts (&optional handles)
4315 "View all the MIME parts."
4317 (with-current-buffer gnus-article-buffer
4318 (let ((handles (or handles gnus-article-mime-handles))
4319 (mail-parse-charset gnus-newsgroup-charset)
4320 (mail-parse-ignored-charsets
4321 (with-current-buffer gnus-summary-buffer
4322 gnus-newsgroup-ignored-charsets)))
4324 (mm-remove-parts handles)
4325 (goto-char (point-min))
4326 (or (search-forward "\n\n") (goto-char (point-max)))
4327 (let (buffer-read-only)
4328 (delete-region (point) (point-max))
4329 (mm-display-parts handles))))))
4332 (defsubst gnus-article-edit-part (handles)
4333 "Edit an article in order to delete a mime part.
4334 This function is exclusively used by `gnus-mime-save-part-and-strip'
4335 and `gnus-mime-delete-part', and not provided at run-time normally."
4336 (gnus-article-edit-article
4339 (let ((mail-parse-charset (or gnus-article-charset
4340 ',gnus-newsgroup-charset))
4341 (mail-parse-ignored-charsets
4342 (or gnus-article-ignored-charsets
4343 ',gnus-newsgroup-ignored-charsets))
4344 (mbl mml-buffer-list))
4345 (setq mml-buffer-list nil)
4346 (insert-buffer gnus-original-article-buffer)
4347 (mime-to-mml ',handles)
4348 (setq gnus-article-mime-handles nil)
4349 (let ((mbl1 mml-buffer-list))
4350 (setq mml-buffer-list mbl)
4351 (set (make-local-variable 'mml-buffer-list) mbl1))
4352 (gnus-make-local-hook 'kill-buffer-hook)
4353 (add-hook 'kill-buffer-hook 'mml-destroy-buffers t t)))
4354 `(lambda (no-highlight)
4355 (let ((mail-parse-charset (or gnus-article-charset
4356 ',gnus-newsgroup-charset))
4357 (message-options message-options)
4358 (message-options-set-recipient)
4359 (mail-parse-ignored-charsets
4360 (or gnus-article-ignored-charsets
4361 ',gnus-newsgroup-ignored-charsets)))
4363 (mml-destroy-buffers)
4364 (remove-hook 'kill-buffer-hook
4365 'mml-destroy-buffers t)
4366 (kill-local-variable 'mml-buffer-list))
4367 (gnus-summary-edit-article-done
4368 ,(or (mail-header-references gnus-current-headers) "")
4369 ,(gnus-group-read-only-p)
4370 ,gnus-summary-buffer no-highlight)))
4371 (gnus-article-edit-done)
4372 (gnus-summary-expand-window)
4373 (gnus-summary-show-article)))
4375 (defun gnus-mime-save-part-and-strip ()
4376 "Save the MIME part under point then replace it with an external body."
4378 (gnus-article-check-buffer)
4379 (when (gnus-group-read-only-p)
4380 (error "The current group does not support deleting of parts"))
4381 (when (mm-complicated-handles gnus-article-mime-handles)
4383 The current article has a complicated MIME structure, giving up..."))
4384 (when (gnus-yes-or-no-p "\
4385 Deleting parts may malfunction or destroy the article; continue? ")
4386 (let* ((data (get-text-property (point) 'gnus-data))
4388 (handles gnus-article-mime-handles))
4389 (setq file (and data (mm-save-part data)))
4391 (with-current-buffer (mm-handle-buffer data)
4393 (insert "Content-Type: " (mm-handle-media-type data))
4394 (mml-insert-parameter-string (cdr (mm-handle-type data))
4397 (insert "Content-ID: " (message-make-message-id) "\n")
4398 (insert "Content-Transfer-Encoding: binary\n")
4401 (cdr (mm-make-handle nil
4402 `("message/external-body"
4403 (access-type . "LOCAL-FILE")
4405 (set-buffer gnus-summary-buffer)
4406 (gnus-article-edit-part handles)))))
4408 (defun gnus-mime-delete-part ()
4409 "Delete the MIME part under point.
4410 Replace it with some information about the removed part."
4412 (gnus-article-check-buffer)
4413 (when (gnus-group-read-only-p)
4414 (error "The current group does not support deleting of parts"))
4415 (when (mm-complicated-handles gnus-article-mime-handles)
4417 The current article has a complicated MIME structure, giving up..."))
4418 (when (gnus-yes-or-no-p "\
4419 Deleting parts may malfunction or destroy the article; continue? ")
4420 (let* ((data (get-text-property (point) 'gnus-data))
4421 (handles gnus-article-mime-handles)
4425 (mail-decode-encoded-word-string (or (mm-handle-description data)
4428 (or (mail-content-type-get (mm-handle-disposition data) 'filename)
4430 (type (mm-handle-media-type data)))
4432 (error "No MIME part under point"))
4433 (with-current-buffer (mm-handle-buffer data)
4434 (let ((bsize (format "%s" (buffer-size))))
4439 "| The following attachment has been deleted:\n"
4441 "| Type: " type "\n"
4442 "| Filename: " filename "\n"
4443 "| Size (encoded): " bsize " Byte\n"
4444 "| Description: " description "\n"
4447 (cdr (mm-make-handle
4448 nil `("text/plain") nil nil
4450 (format "Deleted attachment (%s bytes)" bsize))))))
4451 (set-buffer gnus-summary-buffer)
4452 (gnus-article-edit-part handles))))
4454 (defun gnus-mime-save-part ()
4455 "Save the MIME part under point."
4457 (gnus-article-check-buffer)
4458 (let ((data (get-text-property (point) 'gnus-data)))
4460 (mm-save-part data))))
4462 (defun gnus-mime-pipe-part ()
4463 "Pipe the MIME part under point to a process."
4465 (gnus-article-check-buffer)
4466 (let ((data (get-text-property (point) 'gnus-data)))
4468 (mm-pipe-part data))))
4470 (defun gnus-mime-view-part ()
4471 "Interactively choose a viewing method for the MIME part under point."
4473 (gnus-article-check-buffer)
4474 (let ((data (get-text-property (point) 'gnus-data)))
4476 (setq gnus-article-mime-handles
4478 gnus-article-mime-handles (setq data (copy-sequence data))))
4479 (mm-interactively-view-part data))))
4481 (defun gnus-mime-view-part-as-type-internal ()
4482 (gnus-article-check-buffer)
4483 (let* ((name (mail-content-type-get
4484 (mm-handle-type (get-text-property (point) 'gnus-data))
4486 (def-type (and name (mm-default-file-encoding name))))
4487 (and def-type (cons def-type 0))))
4489 (defun gnus-mime-view-part-as-type (&optional mime-type)
4490 "Choose a MIME media type, and view the part as such."
4493 (setq mime-type (completing-read
4494 "View as MIME type: "
4495 (mapcar #'list (mailcap-mime-types))
4497 (gnus-mime-view-part-as-type-internal))))
4498 (gnus-article-check-buffer)
4499 (let ((handle (get-text-property (point) 'gnus-data)))
4502 (mm-make-handle (mm-handle-buffer handle)
4503 (cons mime-type (cdr (mm-handle-type handle)))
4504 (mm-handle-encoding handle)
4505 (mm-handle-undisplayer handle)
4506 (mm-handle-disposition handle)
4507 (mm-handle-description handle)
4509 (mm-handle-id handle)))
4510 (setq gnus-article-mime-handles
4511 (mm-merge-handles gnus-article-mime-handles handle))
4512 (gnus-mm-display-part handle))))
4515 (require 'jka-compr))
4517 ;; jka-compr.el uses a "sh -c" to direct stderr to err-file, but these days
4518 ;; emacs can do that itself.
4520 (defun gnus-mime-jka-compr-maybe-uncompress ()
4521 "Uncompress the current buffer if `auto-compression-mode' is enabled.
4522 The uncompress method used is derived from `buffer-file-name'."
4523 (when (and (fboundp 'jka-compr-installed-p)
4524 (jka-compr-installed-p))
4525 (let ((info (jka-compr-get-compression-info buffer-file-name)))
4527 (let ((basename (file-name-nondirectory buffer-file-name))
4528 (args (jka-compr-info-uncompress-args info))
4529 (prog (jka-compr-info-uncompress-program info))
4530 (message (jka-compr-info-uncompress-message info))
4531 (err-file (jka-compr-make-temp-name)))
4533 (message "%s %s..." message basename))
4535 (unless (memq (apply 'call-process-region
4536 (point-min) (point-max)
4538 t (list t err-file) nil
4540 jka-compr-acceptable-retval-list)
4541 (jka-compr-error prog args basename message err-file))
4542 (jka-compr-delete-temp-file err-file)))))))
4544 (defun gnus-mime-copy-part (&optional handle)
4545 "Put the MIME part under point into a new buffer.
4546 If `auto-compression-mode' is enabled, compressed files like .gz and .bz2
4549 (gnus-article-check-buffer)
4550 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4551 (contents (and handle (mm-get-part handle)))
4553 (file-name-nondirectory
4555 (mail-content-type-get (mm-handle-type handle) 'name)
4556 (mail-content-type-get (mm-handle-disposition handle)
4559 (buffer (and base (generate-new-buffer base))))
4561 (switch-to-buffer buffer)
4563 ;; We do it this way to make `normal-mode' set the appropriate mode.
4566 (setq buffer-file-name (expand-file-name base))
4567 (gnus-mime-jka-compr-maybe-uncompress)
4569 (setq buffer-file-name nil))
4570 (goto-char (point-min)))))
4572 (defun gnus-mime-print-part (&optional handle filename)
4573 "Print the MIME part under point."
4574 (interactive (list nil (ps-print-preprint current-prefix-arg)))
4575 (gnus-article-check-buffer)
4576 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4577 (contents (and handle (mm-get-part handle)))
4578 (file (mm-make-temp-file (expand-file-name "mm." mm-tmp-directory)))
4579 (printer (mailcap-mime-info (mm-handle-media-type handle) "print")))
4584 (mm-save-part-to-file handle file)
4585 (call-process shell-file-name nil
4586 (generate-new-buffer " *mm*")
4588 shell-command-switch
4590 printer file (mm-handle-type handle))))
4594 (gnus-print-buffer))
4595 (ps-despool filename)))))
4597 (defun gnus-mime-inline-part (&optional handle arg)
4598 "Insert the MIME part under point into the current buffer."
4599 (interactive (list nil current-prefix-arg))
4600 (gnus-article-check-buffer)
4601 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4606 (if (and (not arg) (mm-handle-undisplayer handle))
4607 (mm-remove-part handle)
4608 (setq contents (mm-get-part handle))
4611 (setq charset (or (mail-content-type-get
4612 (mm-handle-type handle) 'charset)
4613 gnus-newsgroup-charset)))
4615 (if (mm-handle-undisplayer handle)
4616 (mm-remove-part handle))
4619 gnus-summary-show-article-charset-alist))
4620 (mm-read-coding-system "Charset: ")))))
4622 (mm-insert-inline handle
4624 (setq charset (mm-charset-to-coding-system
4626 (not (eq charset 'ascii)))
4627 (mm-decode-coding-string contents charset)
4631 (defun gnus-mime-view-part-as-charset (&optional handle arg)
4632 "Insert the MIME part under point into the current buffer using the
4634 (interactive (list nil current-prefix-arg))
4635 (gnus-article-check-buffer)
4636 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4641 (if (mm-handle-undisplayer handle)
4642 (mm-remove-part handle))
4643 (let ((gnus-newsgroup-charset
4645 gnus-summary-show-article-charset-alist))
4646 (mm-read-coding-system "Charset: ")))
4647 (gnus-newsgroup-ignored-charsets 'gnus-all))
4648 (gnus-article-press-button)))))
4650 (defun gnus-mime-view-part-externally (&optional handle)
4651 "View the MIME part under point with an external viewer."
4653 (gnus-article-check-buffer)
4654 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4655 (mm-user-display-methods nil)
4656 (mm-inlined-types nil)
4657 (mail-parse-charset gnus-newsgroup-charset)
4658 (mail-parse-ignored-charsets
4659 (with-current-buffer gnus-summary-buffer
4660 gnus-newsgroup-ignored-charsets)))
4662 (if (mm-handle-undisplayer handle)
4663 (mm-remove-part handle)
4664 (mm-display-part handle)))))
4666 (defun gnus-mime-view-part-internally (&optional handle)
4667 "View the MIME part under point with an internal viewer.
4668 If no internal viewer is available, use an external viewer."
4670 (gnus-article-check-buffer)
4671 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4672 (mm-inlined-types '(".*"))
4673 (mm-inline-large-images t)
4674 (mail-parse-charset gnus-newsgroup-charset)
4675 (mail-parse-ignored-charsets
4676 (with-current-buffer gnus-summary-buffer
4677 gnus-newsgroup-ignored-charsets))
4680 (if (mm-handle-undisplayer handle)
4681 (mm-remove-part handle)
4682 (mm-display-part handle)))))
4684 (defun gnus-mime-action-on-part (&optional action)
4685 "Do something with the MIME attachment at \(point\)."
4687 (list (completing-read "Action: " gnus-mime-action-alist nil t)))
4688 (gnus-article-check-buffer)
4689 (let ((action-pair (assoc action gnus-mime-action-alist)))
4691 (funcall (cdr action-pair)))))
4693 (defun gnus-article-part-wrapper (n function)
4694 (with-current-buffer gnus-article-buffer
4695 (when (> n (length gnus-article-mime-handle-alist))
4696 (error "No such part"))
4697 (gnus-article-goto-part n)
4698 (let ((handle (cdr (assq n gnus-article-mime-handle-alist))))
4699 (funcall function handle))))
4701 (defun gnus-article-pipe-part (n)
4702 "Pipe MIME part N, which is the numerical prefix."
4704 (gnus-article-part-wrapper n 'mm-pipe-part))
4706 (defun gnus-article-save-part (n)
4707 "Save MIME part N, which is the numerical prefix."
4709 (gnus-article-part-wrapper n 'mm-save-part))
4711 (defun gnus-article-interactively-view-part (n)
4712 "View MIME part N interactively, which is the numerical prefix."
4714 (gnus-article-part-wrapper n 'mm-interactively-view-part))
4716 (defun gnus-article-copy-part (n)
4717 "Copy MIME part N, which is the numerical prefix."
4719 (gnus-article-part-wrapper n 'gnus-mime-copy-part))
4721 (defun gnus-article-view-part-as-charset (n)
4722 "View MIME part N using a specified charset.
4723 N is the numerical prefix."
4725 (gnus-article-part-wrapper n 'gnus-mime-view-part-as-charset))
4727 (defun gnus-article-view-part-externally (n)
4728 "View MIME part N externally, which is the numerical prefix."
4730 (gnus-article-part-wrapper n 'gnus-mime-view-part-externally))
4732 (defun gnus-article-inline-part (n)
4733 "Inline MIME part N, which is the numerical prefix."
4735 (gnus-article-part-wrapper n 'gnus-mime-inline-part))
4737 (defun gnus-article-mime-match-handle-first (condition)
4739 (let ((alist gnus-article-mime-handle-alist) ihandle n)
4740 (while (setq ihandle (pop alist))
4742 ((functionp condition)
4743 (funcall condition (cdr ihandle)))
4744 ((eq condition 'undisplayed)
4745 (not (or (mm-handle-undisplayer (cdr ihandle))
4746 (equal (mm-handle-media-type (cdr ihandle))
4747 "multipart/alternative"))))
4748 ((eq condition 'undisplayed-alternative)
4749 (not (mm-handle-undisplayer (cdr ihandle))))
4751 (gnus-article-goto-part (car ihandle))
4752 (or (not n) (< (car ihandle) n)))
4753 (setq n (car ihandle))))
4757 (defun gnus-article-view-part (&optional n)
4758 "View MIME part N, which is the numerical prefix."
4760 (with-current-buffer gnus-article-buffer
4761 (or (numberp n) (setq n (gnus-article-mime-match-handle-first
4762 gnus-article-mime-match-handle-function)))
4763 (when (> n (length gnus-article-mime-handle-alist))
4764 (error "No such part"))
4765 (let ((handle (cdr (assq n gnus-article-mime-handle-alist))))
4766 (when (gnus-article-goto-part n)
4767 (if (equal (car handle) "multipart/alternative")
4768 (gnus-article-press-button)
4769 (when (eq (gnus-mm-display-part handle) 'internal)
4770 (gnus-set-window-start)))))))
4772 (defsubst gnus-article-mime-total-parts ()
4773 (if (bufferp (car gnus-article-mime-handles))
4775 (1- (length gnus-article-mime-handles))))
4777 (defun gnus-mm-display-part (handle)
4778 "Display HANDLE and fix MIME button."
4779 (let ((id (get-text-property (point) 'gnus-part))
4784 (let ((window (selected-window))
4785 (mail-parse-charset gnus-newsgroup-charset)
4786 (mail-parse-ignored-charsets
4787 (if (gnus-buffer-live-p gnus-summary-buffer)
4788 (with-current-buffer gnus-summary-buffer
4789 gnus-newsgroup-ignored-charsets)
4793 (let ((win (gnus-get-buffer-window (current-buffer) t))
4796 (select-window win))
4799 (if (mm-handle-displayed-p handle)
4800 ;; This will remove the part.
4801 (mm-display-part handle)
4803 (narrow-to-region (point)
4804 (if (eobp) (point) (1+ (point))))
4805 (mm-display-part handle)
4806 ;; We narrow to the part itself and
4807 ;; then call the treatment functions.
4808 (goto-char (point-min))
4810 (narrow-to-region (point) (point-max))
4813 (gnus-article-mime-total-parts)
4814 (mm-handle-media-type handle)))))
4815 (if (window-live-p window)
4816 (select-window window)))))
4819 (gnus-insert-mime-button
4820 handle id (list (mm-handle-displayed-p handle)))
4821 (goto-char point))))
4823 (defun gnus-article-goto-part (n)
4824 "Go to MIME part N."
4825 (gnus-goto-char (text-property-any (point-min) (point-max) 'gnus-part n)))
4827 (defun gnus-insert-mime-button (handle gnus-tmp-id &optional displayed)
4828 (let ((gnus-tmp-name
4829 (or (mail-content-type-get (mm-handle-type handle) 'name)
4830 (mail-content-type-get (mm-handle-disposition handle) 'filename)
4831 (mail-content-type-get (mm-handle-type handle) 'url)
4833 (gnus-tmp-type (mm-handle-media-type handle))
4834 (gnus-tmp-description
4835 (mail-decode-encoded-word-string (or (mm-handle-description handle)
4838 (if (if displayed (car displayed)
4839 (mm-handle-displayed-p handle))
4841 (gnus-tmp-length (with-current-buffer (mm-handle-buffer handle)
4843 gnus-tmp-type-long b e)
4844 (when (string-match ".*/" gnus-tmp-name)
4845 (setq gnus-tmp-name (replace-match "" t t gnus-tmp-name)))
4846 (setq gnus-tmp-type-long (concat gnus-tmp-type
4847 (and (not (equal gnus-tmp-name ""))
4848 (concat "; " gnus-tmp-name))))
4849 (unless (equal gnus-tmp-description "")
4850 (setq gnus-tmp-type-long (concat " --- " gnus-tmp-type-long)))
4855 gnus-mime-button-line-format gnus-mime-button-line-format-alist
4856 `(keymap ,gnus-mime-button-map
4857 gnus-callback gnus-mm-display-part
4858 gnus-part ,gnus-tmp-id
4859 article-type annotation
4862 ;; Exclude a newline.
4865 (widget-convert-button
4868 :action 'gnus-widget-press-button
4869 :button-keymap gnus-mime-button-map
4871 (lambda (widget/window &optional overlay pos)
4872 ;; Needed to properly clear the message due to a bug in
4873 ;; wid-edit (XEmacs only).
4874 (if (boundp 'help-echo-owns-message)
4875 (setq help-echo-owns-message t))
4877 "%S: %s the MIME part; %S: more options"
4878 (aref gnus-mouse-2 0)
4879 ;; XEmacs will get a single widget arg; Emacs 21 will get
4880 ;; window, overlay, position.
4881 (if (mm-handle-displayed-p
4883 (with-current-buffer (gnus-overlay-buffer overlay)
4884 (widget-get (widget-at (gnus-overlay-start overlay))
4886 (widget-get widget/window :mime-handle)))
4888 (aref gnus-down-mouse-3 0))))))
4890 (defun gnus-widget-press-button (elems el)
4891 (goto-char (widget-get elems :from))
4892 (gnus-article-press-button))
4894 (defvar gnus-displaying-mime nil)
4896 (defun gnus-display-mime (&optional ihandles)
4897 "Display the MIME parts."
4899 (save-selected-window
4900 (let ((window (get-buffer-window gnus-article-buffer))
4903 (select-window window)
4904 ;; We have to do this since selecting the window
4905 ;; may change the point. So we set the window point.
4906 (set-window-point window point)))
4907 (let* ((handles (or ihandles
4908 (mm-dissect-buffer nil gnus-article-loose-mime)
4909 (and gnus-article-emulate-mime
4911 buffer-read-only handle name type b e display)
4912 (when (and (not ihandles)
4913 (not gnus-displaying-mime))
4914 ;; Top-level call; we clean up.
4915 (when gnus-article-mime-handles
4916 (mm-destroy-parts gnus-article-mime-handles)
4917 (setq gnus-article-mime-handle-alist nil));; A trick.
4918 (setq gnus-article-mime-handles handles)
4919 ;; We allow users to glean info from the handles.
4920 (when gnus-article-mime-part-function
4921 (gnus-mime-part-function handles)))
4923 (or (not (stringp (car handles)))
4926 (when (and (not ihandles)
4927 (not gnus-displaying-mime))
4928 ;; Clean up for mime parts.
4930 (delete-region (point) (point-max)))
4931 (let ((gnus-displaying-mime t))
4932 (gnus-mime-display-part handles)))
4935 (narrow-to-region (point) (point-max))
4936 (gnus-treat-article nil 1 1)
4939 ;; Highlight the headers.
4943 (narrow-to-region (point-min) (point))
4944 (gnus-treat-article 'head))))))))
4946 (defcustom gnus-mime-display-multipart-as-mixed nil
4947 "Display \"multipart\" parts as \"multipart/mixed\".
4949 If t, it overrides nil values of
4950 `gnus-mime-display-multipart-alternative-as-mixed' and
4951 `gnus-mime-display-multipart-related-as-mixed'."
4952 :group 'gnus-article-mime
4955 (defcustom gnus-mime-display-multipart-alternative-as-mixed nil
4956 "Display \"multipart/alternative\" parts as \"multipart/mixed\"."
4957 :group 'gnus-article-mime
4960 (defcustom gnus-mime-display-multipart-related-as-mixed nil
4961 "Display \"multipart/related\" parts as \"multipart/mixed\".
4963 If displaying \"text/html\" is discouraged \(see
4964 `mm-discouraged-alternatives'\) images or other material inside a
4965 \"multipart/related\" part might be overlooked when this variable is nil."
4966 :group 'gnus-article-mime
4969 (defun gnus-mime-display-part (handle)
4972 ((not (stringp (car handle)))
4973 (gnus-mime-display-single handle))
4974 ;; User-defined multipart
4975 ((cdr (assoc (car handle) gnus-mime-multipart-functions))
4976 (funcall (cdr (assoc (car handle) gnus-mime-multipart-functions))
4978 ;; multipart/alternative
4979 ((and (equal (car handle) "multipart/alternative")
4980 (not (or gnus-mime-display-multipart-as-mixed
4981 gnus-mime-display-multipart-alternative-as-mixed)))
4982 (let ((id (1+ (length gnus-article-mime-handle-alist))))
4983 (push (cons id handle) gnus-article-mime-handle-alist)
4984 (gnus-mime-display-alternative (cdr handle) nil nil id)))
4985 ;; multipart/related
4986 ((and (equal (car handle) "multipart/related")
4987 (not (or gnus-mime-display-multipart-as-mixed
4988 gnus-mime-display-multipart-related-as-mixed)))
4989 ;;;!!!We should find the start part, but we just default
4990 ;;;!!!to the first part.
4991 ;;(gnus-mime-display-part (cadr handle))
4992 ;;;!!! Most multipart/related is an HTML message plus images.
4993 ;;;!!! Unfortunately we are unable to let W3 display those
4994 ;;;!!! included images, so we just display it as a mixed multipart.
4995 ;;(gnus-mime-display-mixed (cdr handle))
4996 ;;;!!! No, w3 can display everything just fine.
4997 (gnus-mime-display-part (cadr handle)))
4998 ((equal (car handle) "multipart/signed")
4999 (gnus-add-wash-type 'signed)
5000 (gnus-mime-display-security handle))
5001 ((equal (car handle) "multipart/encrypted")
5002 (gnus-add-wash-type 'encrypted)
5003 (gnus-mime-display-security handle))
5004 ;; Other multiparts are handled like multipart/mixed.
5006 (gnus-mime-display-mixed (cdr handle)))))
5008 (defun gnus-mime-part-function (handles)
5009 (if (stringp (car handles))
5010 (mapcar 'gnus-mime-part-function (cdr handles))
5011 (funcall gnus-article-mime-part-function handles)))
5013 (defun gnus-mime-display-mixed (handles)
5014 (mapcar 'gnus-mime-display-part handles))
5016 (defun gnus-mime-display-single (handle)
5017 (let ((type (mm-handle-media-type handle))
5018 (ignored gnus-ignored-mime-types)
5025 (when (string-match (pop ignored) type)
5026 (throw 'ignored nil)))
5027 (if (and (setq not-attachment
5028 (and (not (mm-inline-override-p handle))
5029 (or (not (mm-handle-disposition handle))
5030 (equal (car (mm-handle-disposition handle))
5032 (mm-attachment-override-p handle))))
5033 (mm-automatic-display-p handle)
5035 (mm-inlinable-p handle)
5036 (mm-inlined-p handle))
5037 (mm-automatic-external-display-p type)))
5039 (when (equal (mm-handle-media-supertype handle) "text")
5041 (let ((id (1+ (length gnus-article-mime-handle-alist)))
5043 (push (cons id handle) gnus-article-mime-handle-alist)
5044 (when (or (not display)
5045 (not (gnus-unbuttonized-mime-type-p type)))
5046 (gnus-insert-mime-button
5047 handle id (list (or display (and not-attachment text))))
5048 (gnus-article-insert-newline)
5049 ;; Remember modify the number of forward lines.
5057 (let ((mail-parse-charset gnus-newsgroup-charset)
5058 (mail-parse-ignored-charsets
5059 (save-excursion (condition-case ()
5060 (set-buffer gnus-summary-buffer)
5062 gnus-newsgroup-ignored-charsets)))
5063 (mm-display-part handle t))
5064 (goto-char (point-max)))
5065 ((and text not-attachment)
5069 (gnus-article-insert-newline)
5070 (mm-insert-inline handle (mm-get-part handle))
5071 (goto-char (point-max))))
5075 (narrow-to-region beg (point))
5078 (gnus-article-mime-total-parts)
5079 (mm-handle-media-type handle)))))))))
5081 (defun gnus-unbuttonized-mime-type-p (type)
5082 "Say whether TYPE is to be unbuttonized."
5083 (unless gnus-inhibit-mime-unbuttonizing
5085 (let ((types gnus-unbuttonized-mime-types))
5087 (when (string-match (pop types) type)
5088 (throw 'found t)))))
5090 (let ((types gnus-buttonized-mime-types))
5092 (when (string-match (pop types) type)
5093 (throw 'found t)))))))))
5095 (defun gnus-article-insert-newline ()
5096 "Insert a newline, but mark it as undeletable."
5097 (gnus-put-text-property
5098 (point) (progn (insert "\n") (point)) 'gnus-undeletable t))
5100 (defun gnus-mime-display-alternative (handles &optional preferred ibegend id)
5101 (let* ((preferred (or preferred (mm-preferred-alternative handles)))
5104 handle buffer-read-only from props begend not-pref)
5105 (save-window-excursion
5108 (narrow-to-region (car ibegend)
5111 (goto-char (car ibegend))
5114 (delete-region (point-min) (point-max))
5115 (mm-remove-parts handles))
5116 (setq begend (list (point-marker)))
5118 (unless (setq not-pref (cadr (member preferred ihandles)))
5119 (setq not-pref (car ihandles)))
5122 (not (gnus-unbuttonized-mime-type-p
5123 "multipart/alternative")))
5124 (gnus-add-text-properties
5127 (insert (format "%d. " id))
5131 (unless ,(not ibegend)
5132 (setq gnus-article-mime-handle-alist
5133 ',gnus-article-mime-handle-alist))
5134 (gnus-mime-display-alternative
5135 ',ihandles ',not-pref ',begend ,id))
5136 keymap ,gnus-mime-button-map
5137 ,gnus-mouse-face-prop ,gnus-article-mouse-face
5138 face ,gnus-article-button-face
5141 (widget-convert-button 'link from (point)
5142 :action 'gnus-widget-press-button
5143 :button-keymap gnus-widget-button-keymap)
5145 (while (setq handle (pop handles))
5146 (gnus-add-text-properties
5149 (insert (format "(%c) %-18s"
5150 (if (equal handle preferred) ?* ? )
5151 (mm-handle-media-type handle)))
5155 (unless ,(not ibegend)
5156 (setq gnus-article-mime-handle-alist
5157 ',gnus-article-mime-handle-alist))
5158 (gnus-mime-display-alternative
5159 ',ihandles ',handle ',begend ,id))
5160 keymap ,gnus-mime-button-map
5161 ,gnus-mouse-face-prop ,gnus-article-mouse-face
5162 face ,gnus-article-button-face
5165 (widget-convert-button 'link from (point)
5166 :action 'gnus-widget-press-button
5167 :button-keymap gnus-widget-button-keymap)
5171 (if (stringp (car preferred))
5172 (gnus-display-mime preferred)
5173 (let ((mail-parse-charset gnus-newsgroup-charset)
5174 (mail-parse-ignored-charsets
5175 (with-current-buffer gnus-summary-buffer
5176 gnus-newsgroup-ignored-charsets)))
5177 (mm-display-part preferred)
5181 (narrow-to-region (car begend) (point-max))
5183 nil (length gnus-article-mime-handle-alist)
5184 (gnus-article-mime-total-parts)
5185 (mm-handle-media-type handle))))))
5186 (goto-char (point-max))
5187 (setcdr begend (point-marker)))))
5189 (goto-char point))))
5191 (defconst gnus-article-wash-status-strings
5192 (let ((alist '((cite "c" "Possible hidden citation text"
5193 " " "All citation text visible")
5194 (headers "h" "Hidden headers"
5195 " " "All headers visible.")
5196 (pgp "p" "Encrypted or signed message status hidden"
5197 " " "No hidden encryption nor digital signature status")
5198 (signature "s" "Signature has been hidden"
5199 " " "Signature is visible")
5200 (overstrike "o" "Overstrike (^H) characters applied"
5201 " " "No overstrike characters applied")
5202 (gnus-show-mime "m" "Mime processing is activated"
5203 " " "Mime processing is not activated")
5204 (emphasis "e" "/*_Emphasis_*/ characters applied"
5205 " " "No /*_emphasis_*/ characters applied")))
5207 (dolist (entry alist result)
5208 (let ((key (nth 0 entry))
5209 (on (copy-sequence (nth 1 entry)))
5210 (on-help (nth 2 entry))
5211 (off (copy-sequence (nth 3 entry)))
5212 (off-help (nth 4 entry)))
5213 (put-text-property 0 1 'help-echo on-help on)
5214 (put-text-property 0 1 'help-echo off-help off)
5215 (push (list key on off) result))))
5216 "Alist of strings describing wash status in the mode line.
5217 Each entry has the form (KEY ON OF), where the KEY is a symbol
5218 representing the particular washing function, ON is the string to use
5219 in the article mode line when the washing function is active, and OFF
5220 is the string to use when it is inactive.")
5222 (defun gnus-article-wash-status-entry (key value)
5223 (let ((entry (assoc key gnus-article-wash-status-strings)))
5224 (if value (nth 1 entry) (nth 2 entry))))
5226 (defun gnus-article-wash-status ()
5227 "Return a string which display status of article washing."
5228 (with-current-buffer gnus-article-buffer
5229 (let ((cite (memq 'cite gnus-article-wash-types))
5230 (headers (memq 'headers gnus-article-wash-types))
5231 (boring (memq 'boring-headers gnus-article-wash-types))
5232 (pgp (memq 'pgp gnus-article-wash-types))
5233 (pem (memq 'pem gnus-article-wash-types))
5234 (signed (memq 'signed gnus-article-wash-types))
5235 (encrypted (memq 'encrypted gnus-article-wash-types))
5236 (signature (memq 'signature gnus-article-wash-types))
5237 (overstrike (memq 'overstrike gnus-article-wash-types))
5238 (emphasis (memq 'emphasis gnus-article-wash-types)))
5240 (gnus-article-wash-status-entry 'cite cite)
5241 (gnus-article-wash-status-entry 'headers (or headers boring))
5242 (gnus-article-wash-status-entry 'pgp (or pgp pem signed encrypted))
5243 (gnus-article-wash-status-entry 'signature signature)
5244 (gnus-article-wash-status-entry 'overstrike overstrike)
5245 (gnus-article-wash-status-entry 'gnus-show-mime gnus-show-mime)
5246 (gnus-article-wash-status-entry 'emphasis emphasis)))))
5248 (defun gnus-add-wash-type (type)
5249 "Add a washing of TYPE to the current status."
5250 (add-to-list 'gnus-article-wash-types type))
5252 (defun gnus-delete-wash-type (type)
5253 "Add a washing of TYPE to the current status."
5254 (setq gnus-article-wash-types (delq type gnus-article-wash-types)))
5256 (defun gnus-add-image (category image)
5257 "Add IMAGE of CATEGORY to the list of displayed images."
5258 (let ((entry (assq category gnus-article-image-alist)))
5260 (setq entry (list category))
5261 (push entry gnus-article-image-alist))
5262 (nconc entry (list image))))
5264 (defun gnus-delete-images (category)
5265 "Delete all images in CATEGORY."
5266 (let ((entry (assq category gnus-article-image-alist)))
5267 (dolist (image (cdr entry))
5268 (gnus-remove-image image category))
5269 (setq gnus-article-image-alist (delq entry gnus-article-image-alist))
5270 (gnus-delete-wash-type category)))
5272 (defalias 'gnus-article-hide-headers-if-wanted 'gnus-article-maybe-hide-headers)
5274 (defun gnus-article-maybe-hide-headers ()
5275 "Hide unwanted headers if `gnus-have-all-headers' is nil.
5276 Provided for backwards compatibility."
5277 (when (and (or (not (gnus-buffer-live-p gnus-summary-buffer))
5278 (not (with-current-buffer gnus-summary-buffer
5279 gnus-have-all-headers)))
5280 (not gnus-inhibit-hiding))
5281 (gnus-article-hide-headers)))
5285 (defun gnus-output-to-file (file-name)
5286 "Append the current article to a file named FILE-NAME."
5287 (let ((artbuf (current-buffer)))
5289 (insert-buffer-substring artbuf)
5290 ;; Append newline at end of the buffer as separator, and then
5292 (goto-char (point-max))
5294 (let ((file-name-coding-system nnmail-pathname-coding-system))
5295 (write-region-as-binary (point-min) (point-max) file-name 'append))
5298 (defun gnus-narrow-to-page (&optional arg)
5299 "Narrow the article buffer to a page.
5300 If given a numerical ARG, move forward ARG pages."
5302 (setq arg (if arg (prefix-numeric-value arg) 0))
5304 (set-buffer gnus-article-buffer)
5305 (goto-char (point-min))
5307 ;; Remove any old next/prev buttons.
5308 (when (gnus-visual-p 'page-marker)
5309 (let ((buffer-read-only nil))
5310 (gnus-remove-text-with-property 'gnus-prev)
5311 (gnus-remove-text-with-property 'gnus-next)))
5314 (re-search-backward page-delimiter nil 'move (1+ (abs arg))))
5316 (re-search-forward page-delimiter nil 'move arg)))
5317 (goto-char (match-end 0))
5319 (goto-char (point-min))
5320 (setq gnus-page-broken
5321 (and (re-search-forward page-delimiter nil t) t))))
5322 (when gnus-page-broken
5325 (if (re-search-forward page-delimiter nil 'move)
5328 (when (and (gnus-visual-p 'page-marker)
5329 (not (= (point-min) 1)))
5331 (goto-char (point-min))
5332 (gnus-insert-prev-page-button)))
5333 (when (and (gnus-visual-p 'page-marker)
5334 (< (+ (point-max) 2) (buffer-size)))
5336 (goto-char (point-max))
5337 (gnus-insert-next-page-button))))))
5339 ;; Article mode commands
5341 (defun gnus-article-goto-next-page ()
5342 "Show the next page of the article."
5344 (when (gnus-article-next-page)
5345 (goto-char (point-min))
5346 (gnus-article-read-summary-keys nil (gnus-character-to-event ?n))))
5349 (defun gnus-article-goto-prev-page ()
5350 "Show the previous page of the article."
5353 (gnus-article-read-summary-keys nil (gnus-character-to-event ?p))
5354 (gnus-article-prev-page nil)))
5356 ;; This is cleaner but currently breaks `gnus-pick-mode':
5358 ;; (defun gnus-article-goto-next-page ()
5359 ;; "Show the next page of the article."
5361 ;; (gnus-eval-in-buffer-window gnus-summary-buffer
5362 ;; (gnus-summary-next-page)))
5364 ;; (defun gnus-article-goto-prev-page ()
5365 ;; "Show the next page of the article."
5367 ;; (gnus-eval-in-buffer-window gnus-summary-buffer
5368 ;; (gnus-summary-prev-page)))
5370 (defun gnus-article-next-page (&optional lines)
5371 "Show the next page of the current article.
5372 If end of article, return non-nil. Otherwise return nil.
5373 Argument LINES specifies lines to be scrolled up."
5375 (move-to-window-line -1)
5378 (and (pos-visible-in-window-p) ;Not continuation line.
5379 (>= (1+ (point)) (point-max)))) ;Allow for trailing newline.
5380 ;; Nothing in this page.
5381 (if (or (not gnus-page-broken)
5385 (eobp)))) ;Real end-of-buffer?
5387 (when gnus-article-over-scroll
5388 (gnus-article-next-page-1 lines))
5390 (gnus-narrow-to-page 1) ;Go to next page.
5392 ;; More in this page.
5393 (gnus-article-next-page-1 lines)
5396 (defun gnus-article-next-page-1 (lines)
5397 (let ((scroll-in-place nil))
5401 ;; Long lines may cause an end-of-buffer error.
5402 (goto-char (point-max)))))
5403 (move-to-window-line 0))
5405 (defun gnus-article-prev-page (&optional lines)
5406 "Show previous page of current article.
5407 Argument LINES specifies lines to be scrolled down."
5409 (move-to-window-line 0)
5410 (if (and gnus-page-broken
5412 (not (save-restriction (widen) (bobp)))) ;Real beginning-of-buffer?
5414 (gnus-narrow-to-page -1) ;Go to previous page.
5415 (goto-char (point-max))
5417 (let ((scroll-in-place nil))
5421 (beginning-of-buffer
5422 (goto-char (point-min))))
5423 (move-to-window-line 0)))))
5425 (defun gnus-article-only-boring-p ()
5426 "Decide whether there is only boring text remaining in the article.
5427 Something \"interesting\" is a word of at least two letters that does
5428 not have a face in `gnus-article-boring-faces'."
5429 (when (and gnus-article-skip-boring
5430 (boundp 'gnus-article-boring-faces)
5431 (symbol-value 'gnus-article-boring-faces))
5434 (while (re-search-forward "\\b\\w\\w" nil t)
5436 (when (not (gnus-intersection
5437 (gnus-faces-at (point))
5438 (symbol-value 'gnus-article-boring-faces)))
5439 (throw 'only-boring nil)))
5440 (throw 'only-boring t)))))
5442 (defun gnus-article-refer-article ()
5443 "Read article specified by message-id around point."
5446 (re-search-backward "[ \t]\\|^" (point-at-bol) t)
5447 (re-search-forward "<?news:<?\\|<" (point-at-eol) t)
5448 (if (re-search-forward "[^@ ]+@[^ \t>]+" (point-at-eol) t)
5449 (let ((msg-id (concat "<" (match-string 0) ">")))
5450 (set-buffer gnus-summary-buffer)
5451 (gnus-summary-refer-article msg-id))
5452 (error "No references around point"))))
5454 (defun gnus-article-show-summary ()
5455 "Reconfigure windows to show summary buffer."
5457 (if (not (gnus-buffer-live-p gnus-summary-buffer))
5458 (error "There is no summary buffer for this article buffer")
5459 (gnus-article-set-globals)
5460 (gnus-configure-windows 'article)
5461 (gnus-summary-goto-subject gnus-current-article)
5462 (gnus-summary-position-point)))
5464 (defun gnus-article-describe-briefly ()
5465 "Describe article mode commands briefly."
5467 (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")))
5469 (defun gnus-article-summary-command ()
5470 "Execute the last keystroke in the summary buffer."
5472 (let ((obuf (current-buffer))
5473 (owin (current-window-configuration))
5475 (switch-to-buffer gnus-article-current-summary 'norecord)
5476 (setq func (lookup-key (current-local-map) (this-command-keys)))
5477 (call-interactively func)
5479 (set-window-configuration owin)
5480 (set-window-point (get-buffer-window (current-buffer)) (point))))
5482 (defun gnus-article-summary-command-nosave ()
5483 "Execute the last keystroke in the summary buffer."
5486 (pop-to-buffer gnus-article-current-summary 'norecord)
5487 (setq func (lookup-key (current-local-map) (this-command-keys)))
5488 (call-interactively func)))
5490 (defun gnus-article-check-buffer ()
5491 "Beep if not in an article buffer."
5492 (unless (eq (get-buffer gnus-article-buffer) (current-buffer))
5493 (error "Command invoked outside of a Gnus article buffer")))
5495 (defun gnus-article-read-summary-keys (&optional arg key not-restore-window)
5496 "Read a summary buffer key sequence and execute it from the article buffer."
5498 (gnus-article-check-buffer)
5500 '("q" "Q" "c" "r" "\C-c\C-f" "m" "a" "f"
5501 "Zc" "ZC" "ZE" "ZJ" "ZQ" "ZZ" "Zn" "ZR" "ZG" "ZN" "ZP"
5502 "=" "^" "\M-^" "|"))
5508 '("n" "Gn" "p" "Gp"))
5511 (set-buffer gnus-article-current-summary)
5512 (let (gnus-pick-mode)
5513 (push (or key last-command-event) unread-command-events)
5514 (setq keys (static-if (featurep 'xemacs)
5515 (events-to-keys (read-key-sequence nil))
5516 (read-key-sequence nil)))))
5519 (if (or (member keys nosaves)
5520 (member keys nosave-but-article)
5521 (member keys nosave-in-article))
5523 (save-window-excursion
5524 (pop-to-buffer gnus-article-current-summary 'norecord)
5525 ;; We disable the pick minor mode commands.
5526 (let (gnus-pick-mode)
5527 (setq func (lookup-key (current-local-map) keys))))
5531 (unless (member keys nosave-in-article)
5532 (set-buffer gnus-article-current-summary))
5533 (call-interactively func)
5534 (setq new-sum-point (point)))
5535 (when (member keys nosave-but-article)
5536 (pop-to-buffer gnus-article-buffer 'norecord)))
5537 ;; These commands should restore window configuration.
5538 (let ((obuf (current-buffer))
5539 (owin (current-window-configuration))
5541 win func in-buffer selected new-sum-start new-sum-hscroll)
5542 (cond (not-restore-window
5543 (pop-to-buffer gnus-article-current-summary 'norecord))
5544 ((setq win (get-buffer-window gnus-article-current-summary))
5545 (select-window win))
5547 (switch-to-buffer gnus-article-current-summary 'norecord)))
5548 (setq in-buffer (current-buffer))
5549 ;; We disable the pick minor mode commands.
5550 (if (and (setq func (let (gnus-pick-mode)
5551 (lookup-key (current-local-map) keys)))
5554 (call-interactively func)
5555 (when (eq win (selected-window))
5556 (setq new-sum-point (point)
5557 new-sum-start (window-start win)
5558 new-sum-hscroll (window-hscroll win))
5559 (when (eq in-buffer (current-buffer))
5560 (setq selected (gnus-summary-select-article))
5562 (unless not-restore-window
5563 (set-window-configuration owin))
5564 (when (eq selected 'old)
5566 (set-window-start (get-buffer-window (current-buffer))
5568 (set-window-point (get-buffer-window (current-buffer))
5570 (when (and (not not-restore-window)
5572 (set-window-point win new-sum-point)
5573 (set-window-start win new-sum-start)
5574 (set-window-hscroll win new-sum-hscroll)))))
5575 (set-window-configuration owin)
5578 (defun gnus-article-describe-key (key)
5579 "Display documentation of the function invoked by KEY. KEY is a string."
5580 (interactive "kDescribe key: ")
5581 (gnus-article-check-buffer)
5582 (if (eq (key-binding key) 'gnus-article-read-summary-keys)
5584 (set-buffer gnus-article-current-summary)
5585 (let (gnus-pick-mode)
5586 (if (featurep 'xemacs)
5588 (push (elt key 0) unread-command-events)
5589 (setq key (events-to-keys
5590 (read-key-sequence "Describe key: "))))
5591 (setq unread-command-events
5593 (lambda (x) (if (>= x 128) (list 'meta (- x 128)) x))
5595 (setq key (read-key-sequence "Describe key: "))))
5597 (describe-key key)))
5599 (defun gnus-article-describe-key-briefly (key &optional insert)
5600 "Display documentation of the function invoked by KEY. KEY is a string."
5601 (interactive "kDescribe key: \nP")
5602 (gnus-article-check-buffer)
5603 (if (eq (key-binding key) 'gnus-article-read-summary-keys)
5605 (set-buffer gnus-article-current-summary)
5606 (let (gnus-pick-mode)
5607 (if (featurep 'xemacs)
5609 (push (elt key 0) unread-command-events)
5610 (setq key (events-to-keys
5611 (read-key-sequence "Describe key: "))))
5612 (setq unread-command-events
5614 (lambda (x) (if (>= x 128) (list 'meta (- x 128)) x))
5616 (setq key (read-key-sequence "Describe key: "))))
5617 (describe-key-briefly key insert))
5618 (describe-key-briefly key insert)))
5620 (defun gnus-article-reply-with-original (&optional wide)
5621 "Start composing a reply mail to the current message.
5622 The text in the region will be yanked. If the region isn't active,
5623 the entire article will be yanked."
5625 (let ((article (cdr gnus-article-current))
5627 (if (not (gnus-region-active-p))
5628 (with-current-buffer gnus-summary-buffer
5629 (gnus-summary-reply (list (list article)) wide))
5630 (setq contents (buffer-substring (point) (mark t)))
5631 ;; Deactivate active regions.
5632 (when (and (boundp 'transient-mark-mode)
5633 transient-mark-mode)
5634 (setq mark-active nil))
5635 (with-current-buffer gnus-summary-buffer
5637 (list (list article contents)) wide)))))
5639 (defun gnus-article-followup-with-original ()
5640 "Compose a followup to the current article.
5641 The text in the region will be yanked. If the region isn't active,
5642 the entire article will be yanked."
5644 (let ((article (cdr gnus-article-current))
5646 (if (not (gnus-region-active-p))
5647 (with-current-buffer gnus-summary-buffer
5648 (gnus-summary-followup (list (list article))))
5649 (setq contents (buffer-substring (point) (mark t)))
5650 ;; Deactivate active regions.
5651 (when (and (boundp 'transient-mark-mode)
5652 transient-mark-mode)
5653 (setq mark-active nil))
5654 (with-current-buffer gnus-summary-buffer
5655 (gnus-summary-followup
5656 (list (list article contents)))))))
5658 (defun gnus-article-hide (&optional arg force)
5659 "Hide all the gruft in the current article.
5660 This means that signatures, cited text and (some) headers will be
5662 If given a prefix, show the hidden text instead."
5663 (interactive (append (gnus-article-hidden-arg) (list 'force)))
5664 (gnus-article-hide-headers arg)
5665 (gnus-article-hide-list-identifiers arg)
5666 (gnus-article-hide-citation-maybe arg force)
5667 (gnus-article-hide-signature arg))
5669 (defun gnus-article-maybe-highlight ()
5670 "Do some article highlighting if article highlighting is requested."
5671 (when (gnus-visual-p 'article-highlight 'highlight)
5672 (gnus-article-highlight-some)))
5674 (defun gnus-check-group-server ()
5675 ;; Make sure the connection to the server is alive.
5676 (unless (gnus-server-opened
5677 (gnus-find-method-for-group gnus-newsgroup-name))
5678 (gnus-check-server (gnus-find-method-for-group gnus-newsgroup-name))
5679 (gnus-request-group gnus-newsgroup-name t)))
5682 (autoload 'nneething-get-file-name "nneething"))
5684 (defun gnus-request-article-this-buffer (article group)
5685 "Get an article and insert it into this buffer."
5686 (let (do-update-line sparse-header)
5690 (gnus-kill-all-overlays)
5691 (setq group (or group gnus-newsgroup-name))
5693 ;; Using `gnus-request-article' directly will insert the article into
5694 ;; `nntp-server-buffer' - so we'll save some time by not having to
5695 ;; copy it from the server buffer into the article buffer.
5697 ;; We only request an article by message-id when we do not have the
5698 ;; headers for it, so we'll have to get those.
5699 (when (stringp article)
5700 (gnus-read-header article))
5702 ;; If the article number is negative, that means that this article
5703 ;; doesn't belong in this newsgroup (possibly), so we find its
5704 ;; message-id and request it by id instead of number.
5705 (when (and (numberp article)
5707 (get-buffer gnus-summary-buffer)
5708 (gnus-buffer-exists-p gnus-summary-buffer))
5710 (set-buffer gnus-summary-buffer)
5711 (let ((header (gnus-summary-article-header article)))
5714 ((memq article gnus-newsgroup-sparse)
5715 ;; This is a sparse gap article.
5716 (setq do-update-line article)
5717 (setq article (mail-header-id header))
5718 (setq sparse-header (gnus-read-header article))
5719 (setq gnus-newsgroup-sparse
5720 (delq article gnus-newsgroup-sparse)))
5722 ;; It's a real article.
5723 (setq article (mail-header-id header)))
5725 ;; It is an extracted pseudo-article.
5726 (setq article 'pseudo)
5727 (gnus-request-pseudo-article header))))
5729 (let ((method (gnus-find-method-for-group
5730 gnus-newsgroup-name)))
5731 (when (and (eq (car method) 'nneething)
5733 (let ((dir (nneething-get-file-name
5734 (mail-header-id header))))
5735 (when (and (stringp dir)
5736 (file-directory-p dir))
5737 (setq article 'nneething)
5738 (gnus-group-enter-directory dir))))))))
5741 ;; Refuse to select canceled articles.
5742 ((and (numberp article)
5744 (get-buffer gnus-summary-buffer)
5745 (gnus-buffer-exists-p gnus-summary-buffer)
5746 (eq (cdr (with-current-buffer gnus-summary-buffer
5747 (assq article gnus-newsgroup-reads)))
5748 gnus-canceled-mark))
5750 ;; We first check `gnus-original-article-buffer'.
5751 ((and (get-buffer gnus-original-article-buffer)
5753 (with-current-buffer gnus-original-article-buffer
5754 (and (equal (car gnus-original-article) group)
5755 (eq (cdr gnus-original-article) article))))
5756 (insert-buffer-substring gnus-original-article-buffer)
5758 ;; Check the backlog.
5759 ((and gnus-keep-backlog
5760 (gnus-backlog-request-article group article (current-buffer)))
5762 ;; Check asynchronous pre-fetch.
5763 ((gnus-async-request-fetched-article group article (current-buffer))
5764 (gnus-async-prefetch-next group article gnus-summary-buffer)
5765 (when (and (numberp article) gnus-keep-backlog)
5766 (gnus-backlog-enter-article group article (current-buffer)))
5769 ((and gnus-use-cache
5771 (gnus-cache-request-article article group))
5773 ;; Check the agent cache.
5774 ((gnus-agent-request-article article group)
5776 ;; Get the article and put into the article buffer.
5777 ((or (stringp article)
5779 (let ((gnus-override-method gnus-override-method)
5780 (methods (and (stringp article)
5781 gnus-refer-article-method))
5782 (backend (car (gnus-find-method-for-group
5783 gnus-newsgroup-name)))
5785 (buffer-read-only nil))
5786 (if (or (not (listp methods))
5787 (and (symbolp (car methods))
5788 (assq (car methods) nnoo-definition-alist)))
5789 (setq methods (list methods)))
5790 (when (and (null gnus-override-method)
5792 (setq gnus-override-method (pop methods)))
5794 (when (eq gnus-override-method 'current)
5795 (setq gnus-override-method
5796 (with-current-buffer gnus-summary-buffer
5797 gnus-current-select-method)))
5799 (gnus-kill-all-overlays)
5800 (let ((gnus-newsgroup-name group))
5801 (gnus-check-group-server))
5803 ((gnus-request-article article group (current-buffer))
5804 (when (numberp article)
5805 (gnus-async-prefetch-next group article
5806 gnus-summary-buffer)
5807 (when gnus-keep-backlog
5808 (gnus-backlog-enter-article
5809 group article (current-buffer))))
5810 (setq result 'article))
5812 (setq gnus-override-method (pop methods)))
5813 ((not (string-match "^400 "
5814 (nnheader-get-report backend)))
5815 ;; If we get 400 server disconnect, reconnect and
5816 ;; retry; otherwise, assume the article has expired.
5817 (setq result 'done))))
5818 (and (eq result 'article) 'article)))
5822 ;; Associate this article with the current summary buffer.
5823 (setq gnus-article-current-summary gnus-summary-buffer)
5825 ;; Take the article from the original article buffer
5826 ;; and place it in the buffer it's supposed to be in.
5827 (when (and (get-buffer gnus-article-buffer)
5828 (equal (buffer-name (current-buffer))
5829 (buffer-name (get-buffer gnus-article-buffer))))
5831 (if (get-buffer gnus-original-article-buffer)
5832 (set-buffer gnus-original-article-buffer)
5833 (set-buffer (gnus-get-buffer-create gnus-original-article-buffer))
5834 (buffer-disable-undo)
5835 (setq major-mode 'gnus-original-article-mode)
5836 (setq buffer-read-only t))
5837 (let (buffer-read-only)
5839 (insert-buffer-substring gnus-article-buffer))
5840 (setq gnus-original-article (cons group article)))
5843 (run-hooks 'gnus-article-decode-hook)
5844 ;; Mark article as decoded or not.
5845 (setq gnus-article-decoded-p gnus-article-decode-hook))
5847 ;; Update sparse articles.
5848 (when (and do-update-line
5849 (or (numberp article)
5851 (let ((buf (current-buffer)))
5852 (set-buffer gnus-summary-buffer)
5853 (gnus-summary-update-article do-update-line sparse-header)
5854 (gnus-summary-goto-subject do-update-line nil t)
5855 (set-window-point (gnus-get-buffer-window (current-buffer) t)
5857 (set-buffer buf))))))
5863 (defcustom gnus-article-edit-mode-hook nil
5864 "Hook run in article edit mode buffers."
5865 :group 'gnus-article-various
5868 (defcustom gnus-article-edit-article-setup-function
5869 'gnus-article-mime-edit-article-setup
5870 "Function called to setup an editing article buffer."
5871 :group 'gnus-article-various
5874 (defvar gnus-article-edit-done-function nil)
5876 (defvar gnus-article-edit-mode-map nil)
5878 ;; Should we be using derived.el for this?
5879 (unless gnus-article-edit-mode-map
5880 (setq gnus-article-edit-mode-map (make-keymap))
5881 (set-keymap-parent gnus-article-edit-mode-map text-mode-map)
5883 (gnus-define-keys gnus-article-edit-mode-map
5884 "\C-c?" describe-mode
5885 "\C-c\C-c" gnus-article-edit-done
5886 "\C-c\C-k" gnus-article-edit-exit
5887 "\C-c\C-f\C-t" message-goto-to
5888 "\C-c\C-f\C-o" message-goto-from
5889 "\C-c\C-f\C-b" message-goto-bcc
5890 ;;"\C-c\C-f\C-w" message-goto-fcc
5891 "\C-c\C-f\C-c" message-goto-cc
5892 "\C-c\C-f\C-s" message-goto-subject
5893 "\C-c\C-f\C-r" message-goto-reply-to
5894 "\C-c\C-f\C-n" message-goto-newsgroups
5895 "\C-c\C-f\C-d" message-goto-distribution
5896 "\C-c\C-f\C-f" message-goto-followup-to
5897 "\C-c\C-f\C-m" message-goto-mail-followup-to
5898 "\C-c\C-f\C-k" message-goto-keywords
5899 "\C-c\C-f\C-u" message-goto-summary
5900 "\C-c\C-f\C-i" message-insert-or-toggle-importance
5901 "\C-c\C-f\C-a" message-generate-unsubscribed-mail-followup-to
5902 "\C-c\C-b" message-goto-body
5903 "\C-c\C-i" message-goto-signature
5905 "\C-c\C-t" message-insert-to
5906 "\C-c\C-n" message-insert-newsgroups
5907 "\C-c\C-o" message-sort-headers
5908 "\C-c\C-e" message-elide-region
5909 "\C-c\C-v" message-delete-not-region
5910 "\C-c\C-z" message-kill-to-signature
5911 "\M-\r" message-newline-and-reformat
5912 "\C-c\C-a" mml-attach-file
5913 "\C-a" message-beginning-of-line
5915 "\M-;" comment-region)
5917 (gnus-define-keys (gnus-article-edit-wash-map
5918 "\C-c\C-w" gnus-article-edit-mode-map)
5919 "f" gnus-article-edit-full-stops))
5922 gnus-article-edit-mode-field-menu gnus-article-edit-mode-map ""
5924 ["Fetch To" message-insert-to t]
5925 ["Fetch Newsgroups" message-insert-newsgroups t]
5927 ["To" message-goto-to t]
5928 ["From" message-goto-from t]
5929 ["Subject" message-goto-subject t]
5930 ["Cc" message-goto-cc t]
5931 ["Reply-To" message-goto-reply-to t]
5932 ["Summary" message-goto-summary t]
5933 ["Keywords" message-goto-keywords t]
5934 ["Newsgroups" message-goto-newsgroups t]
5935 ["Followup-To" message-goto-followup-to t]
5936 ["Mail-Followup-To" message-goto-mail-followup-to t]
5937 ["Distribution" message-goto-distribution t]
5938 ["Body" message-goto-body t]
5939 ["Signature" message-goto-signature t]))
5941 (define-derived-mode gnus-article-edit-mode text-mode "Article Edit"
5942 "Major mode for editing articles.
5943 This is an extended text-mode.
5945 \\{gnus-article-edit-mode-map}"
5946 (make-local-variable 'gnus-article-edit-done-function)
5947 (make-local-variable 'gnus-prev-winconf)
5948 (set (make-local-variable 'font-lock-defaults)
5949 '(message-font-lock-keywords t))
5950 (set (make-local-variable 'mail-header-separator) "")
5951 (set (make-local-variable 'gnus-article-edit-mode) t)
5952 (easy-menu-add message-mode-field-menu message-mode-map)
5953 (setq buffer-read-only nil)
5954 (buffer-enable-undo)
5957 (defun gnus-article-edit (&optional force)
5958 "Edit the current article.
5959 This will have permanent effect only in mail groups.
5960 If FORCE is non-nil, allow editing of articles even in read-only
5963 (when (and (not force)
5964 (gnus-group-read-only-p))
5965 (error "The current newsgroup does not support article editing"))
5966 (gnus-article-date-original)
5967 (gnus-article-edit-article
5969 `(lambda (no-highlight)
5971 (gnus-summary-edit-article-done
5972 ,(or (mail-header-references gnus-current-headers) "")
5973 ,(gnus-group-read-only-p) ,gnus-summary-buffer no-highlight))))
5975 (defun gnus-article-edit-article (start-func exit-func)
5976 "Start editing the contents of the current article buffer."
5977 (let ((winconf (current-window-configuration)))
5978 (set-buffer gnus-article-buffer)
5979 (gnus-article-edit-mode)
5980 (funcall start-func)
5981 (set-buffer-modified-p nil)
5982 (gnus-configure-windows 'edit-article)
5983 (setq gnus-article-edit-done-function exit-func)
5984 (setq gnus-prev-winconf winconf)
5985 (when gnus-article-edit-article-setup-function
5986 (funcall gnus-article-edit-article-setup-function))
5987 (gnus-message 6 "C-c C-c to end edits; C-c C-k to exit")))
5989 (defun gnus-article-edit-done (&optional arg)
5990 "Update the article edits and exit."
5992 (let ((func gnus-article-edit-done-function)
5993 (buf (current-buffer))
5994 (start (window-start))
5996 (winconf gnus-prev-winconf))
5997 (remove-hook 'gnus-article-mode-hook
5998 'gnus-article-mime-edit-article-unwind)
5999 (widen) ;; Widen it in case that users narrowed the buffer.
6002 ;; The cache and backlog have to be flushed somewhat.
6003 (when gnus-keep-backlog
6004 (gnus-backlog-remove-article
6005 (car gnus-article-current) (cdr gnus-article-current)))
6006 ;; Flush original article as well.
6008 (when (get-buffer gnus-original-article-buffer)
6009 (set-buffer gnus-original-article-buffer)
6010 (setq gnus-original-article nil)))
6011 (when gnus-use-cache
6012 (gnus-cache-update-article
6013 (car gnus-article-current) (cdr gnus-article-current)))
6014 ;; We remove all text props from the article buffer.
6015 (kill-all-local-variables)
6016 (set-text-properties (point-min) (point-max) nil)
6018 (set-window-configuration winconf)
6020 (set-window-start (get-buffer-window buf) start)
6021 (set-window-point (get-buffer-window buf) (point)))
6022 (gnus-summary-show-article))
6024 (defun gnus-article-edit-exit ()
6025 "Exit the article editing without updating."
6027 (when (or (not (buffer-modified-p))
6028 (yes-or-no-p "Article modified; kill anyway? "))
6029 (let ((curbuf (current-buffer))
6031 (window-start (window-start)))
6033 (if (gnus-buffer-live-p gnus-original-article-buffer)
6034 (insert-buffer-substring gnus-original-article-buffer))
6035 (let ((winconf gnus-prev-winconf))
6036 (kill-all-local-variables)
6038 (set-window-configuration winconf)
6039 ;; Tippy-toe some to make sure that point remains where it was.
6040 (save-current-buffer
6042 (set-window-start (get-buffer-window (current-buffer)) window-start)
6044 (gnus-summary-show-article)))
6046 (defun gnus-article-edit-full-stops ()
6047 "Interactively repair spacing at end of sentences."
6050 (goto-char (point-min))
6051 (search-forward-regexp "^$" nil t)
6052 (let ((case-fold-search nil))
6053 (query-replace-regexp "\\([.!?][])}]* \\)\\([[({A-Z]\\)" "\\1 \\2"))))
6056 ;;; Article editing with MIME-Edit
6059 (defcustom gnus-article-mime-edit-article-setup-hook nil
6060 "Hook run after setting up a MIME editing article buffer."
6061 :group 'gnus-article-various
6064 (defun gnus-article-mime-edit-article-unwind ()
6065 "Unwind `gnus-article-buffer' if article editing was given up."
6066 (remove-hook 'gnus-article-mode-hook 'gnus-article-mime-edit-article-unwind)
6067 (when (featurep 'font-lock)
6068 (setq font-lock-defaults nil)
6069 (font-lock-mode -1))
6070 (when mime-edit-mode-flag
6071 (mime-edit-exit 'nomime 'no-error)
6074 (defun gnus-article-mime-edit-article-setup ()
6075 "Convert current buffer to MIME-Edit buffer and turn on MIME-Edit mode
6076 after replacing with the original article."
6077 (setq gnus-show-mime t)
6078 (setq gnus-article-edit-done-function
6079 `(lambda (&rest args)
6080 (when mime-edit-mode-flag
6081 (let (mime-edit-insert-user-agent-field)
6084 (goto-char (point-min))
6085 (let (case-fold-search)
6086 (when (re-search-forward
6087 (format "^%s$" (regexp-quote mail-header-separator))
6089 (replace-match "")))
6090 (apply ,gnus-article-edit-done-function args)
6093 (buffer-substring-no-properties (point-min) (point-max))
6094 (set-buffer (get-buffer-create gnus-original-article-buffer))
6096 (setq gnus-current-headers (gnus-article-make-full-mail-header))
6097 (set-buffer gnus-article-buffer)
6098 (gnus-article-prepare-display)))
6099 (substitute-key-definition 'gnus-article-edit-done
6100 'gnus-article-mime-edit-done
6101 gnus-article-edit-mode-map)
6102 (substitute-key-definition 'gnus-article-edit-exit
6103 'gnus-article-mime-edit-exit
6104 gnus-article-edit-mode-map)
6106 (insert-buffer-substring gnus-original-article-buffer)
6107 (unless (member (with-current-buffer gnus-summary-buffer
6108 gnus-newsgroup-name)
6109 '("nndraft:delayed" "nndraft:drafts"))
6110 (let ((ofn (symbol-function 'mime-edit-decode-single-part-in-buffer)))
6111 (fset 'mime-edit-decode-single-part-in-buffer
6112 (lambda (&rest args)
6113 (if (let ((content-type (car args)))
6114 (and (eq 'message (mime-content-type-primary-type
6116 (eq 'rfc822 (mime-content-type-subtype
6118 (setcar (cdr args) 'not-decode-text))
6122 (fset 'mime-edit-decode-single-part-in-buffer ofn))))
6123 (when (featurep 'font-lock)
6124 (set (make-local-variable 'font-lock-defaults)
6125 '(message-font-lock-keywords t))
6126 (font-lock-set-defaults)
6127 (turn-on-font-lock))
6128 (set-buffer-modified-p nil)
6129 (delete-other-windows)
6130 (add-hook 'gnus-article-mode-hook 'gnus-article-mime-edit-article-unwind)
6131 (gnus-run-hooks 'gnus-article-mime-edit-article-setup-hook))
6133 (defun gnus-article-mime-edit-done (&optional arg)
6134 "Update the article MIME edits and exit."
6136 (when (featurep 'font-lock)
6137 (setq font-lock-defaults nil)
6138 (font-lock-mode -1))
6139 (let ((inhibit-read-only t))
6140 (gnus-article-edit-done arg)))
6142 (defun gnus-article-mime-edit-exit ()
6143 "Exit the article MIME editing without updating."
6145 (when (or (not (buffer-modified-p))
6146 (yes-or-no-p "Article modified; kill anyway? "))
6147 (when (featurep 'font-lock)
6148 (setq font-lock-defaults nil)
6149 (font-lock-mode -1))
6150 (when mime-edit-mode-flag
6151 (let (mime-edit-insert-user-agent-field)
6154 (goto-char (point-min))
6155 (let (case-fold-search)
6156 (when (re-search-forward
6157 (format "^%s$" (regexp-quote mail-header-separator)) nil t)
6158 (replace-match "")))
6159 (let ((winconf gnus-prev-winconf))
6161 (buffer-substring-no-properties (point-min) (point-max))
6162 (set-buffer (get-buffer-create gnus-original-article-buffer))
6164 (setq gnus-current-headers (gnus-article-make-full-mail-header))
6165 (set-buffer gnus-article-buffer)
6166 (gnus-article-prepare-display)
6167 (set-window-configuration winconf))))
6170 ;;; Article highlights
6173 ;; Written by Per Abrahamsen <abraham@iesd.auc.dk>.
6175 ;;; Internal Variables:
6177 (defcustom gnus-button-url-regexp
6178 (if (string-match "[[:digit:]]" "1") ;; support POSIX?
6179 "\\b\\(\\(www\\.\\|\\(s?https?\\|ftp\\|file\\|gopher\\|nntp\\|news\\|telnet\\|wais\\|mailto\\|info\\):\\)\\(//[-a-z0-9_.]+:[0-9]*\\)?[-a-z0-9_=!?#$@~%&*+\\/:;.,[:word:]]+[-a-z0-9_=#$@~%&*+\\/[:word:]]\\)"
6180 "\\b\\(\\(www\\.\\|\\(s?https?\\|ftp\\|file\\|gopher\\|nntp\\|news\\|telnet\\|wais\\|mailto\\|info\\):\\)\\(//[-a-z0-9_.]+:[0-9]*\\)?\\([-a-z0-9_=!?#$@~%&*+\\/:;.,]\\|\\w\\)+\\([-a-z0-9_=#$@~%&*+\\/]\\|\\w\\)\\)")
6181 "Regular expression that matches URLs."
6182 :group 'gnus-article-buttons
6185 (defcustom gnus-button-valid-fqdn-regexp
6186 message-valid-fqdn-regexp
6187 "Regular expression that matches a valid FQDN."
6188 :group 'gnus-article-buttons
6191 (defcustom gnus-button-man-handler 'manual-entry
6192 "Function to use for displaying man pages.
6193 The function must take at least one argument with a string naming the
6195 :type '(choice (function-item :tag "Man" manual-entry)
6196 (function-item :tag "Woman" woman)
6197 (function :tag "Other"))
6198 :group 'gnus-article-buttons)
6200 (defcustom gnus-ctan-url "http://tug.ctan.org/tex-archive/"
6201 "Top directory of a CTAN \(Comprehensive TeX Archive Network\) archive.
6202 If the default site is too slow, try to find a CTAN mirror, see
6203 <URL:http://tug.ctan.org/tex-archive/CTAN.sites?action=/index.html>. See also
6204 the variable `gnus-button-handle-ctan'."
6205 :group 'gnus-article-buttons
6206 :link '(custom-manual "(gnus)Group Parameters")
6207 :type '(choice (const "http://www.tex.ac.uk/tex-archive/")
6208 (const "http://tug.ctan.org/tex-archive/")
6209 (const "http://www.dante.de/CTAN/")
6210 (string :tag "Other")))
6212 (defcustom gnus-button-ctan-handler 'browse-url
6213 "Function to use for displaying CTAN links.
6214 The function must take one argument, the string naming the URL."
6215 :type '(choice (function-item :tag "Browse Url" browse-url)
6216 (function :tag "Other"))
6217 :group 'gnus-article-buttons)
6219 (defcustom gnus-button-handle-ctan-bogus-regexp "^/?tex-archive/\\|^/"
6220 "Bogus strings removed from CTAN URLs."
6221 :group 'gnus-article-buttons
6222 :type '(choice (const "^/?tex-archive/\\|/")
6223 (regexp :tag "Other")))
6225 (defcustom gnus-button-ctan-directory-regexp
6228 "biblio\\|digests\\|dviware\\|fonts\\|graphics\\|help\\|"
6229 "indexing\\|info\\|language\\|macros\\|support\\|systems\\|"
6230 "tds\\|tools\\|usergrps\\|web\\|nonfree\\|obsolete"
6232 "Regular expression for ctan directories.
6233 It should match all directories in the top level of `gnus-ctan-url'."
6234 :group 'gnus-article-buttons
6237 (defcustom gnus-button-mid-or-mail-regexp
6238 (concat "\\b\\(<?[a-z0-9$%(*-=?[_][^<>\")!;:,{}\n\t ]*@"
6239 ;; Felix Wiemann in <87oeuomcz9.fsf@news2.ososo.de>
6240 gnus-button-valid-fqdn-regexp
6242 "Regular expression that matches a message ID or a mail address."
6243 :group 'gnus-article-buttons
6246 (defcustom gnus-button-prefer-mid-or-mail 'gnus-button-mid-or-mail-heuristic
6247 "What to do when the button on a string as \"foo123@bar.invalid\" is pushed.
6248 Strings like this can be either a message ID or a mail address. If it is one
6249 of the symbols `mid' or `mail', Gnus will always assume that the string is a
6250 message ID or a mail address, respectively. If this variable is set to the
6251 symbol `ask', always query the user what do do. If it is a function, this
6252 function will be called with the string as it's only argument. The function
6253 must return `mid', `mail', `invalid' or `ask'."
6254 :group 'gnus-article-buttons
6255 :type '(choice (function-item :tag "Heuristic function"
6256 gnus-button-mid-or-mail-heuristic)
6261 (defcustom gnus-button-mid-or-mail-heuristic-alist
6262 '((-10.0 . ".+\\$.+@")
6265 (-5.0 . "\\+[^+]*\\+.*@") ;; # two plus signs
6266 (-5.0 . "@[Nn][Ee][Ww][Ss]") ;; /\@news/i
6267 (-5.0 . "@.*[Dd][Ii][Aa][Ll][Uu][Pp]") ;; /\@.*dialup/i;
6268 (-1.0 . "^[^a-z]+@")
6270 (-5.0 . "\\.[0-9][0-9]+.*@") ;; "\.[0-9]{2,}.*\@"
6271 (-5.0 . "[a-z].*[A-Z].*[a-z].*[A-Z].*@") ;; "([a-z].*[A-Z].*){2,}\@"
6272 (-3.0 . "[A-Z][A-Z][a-z][a-z].*@")
6273 (-5.0 . "\\...?.?@") ;; (-5.0 . "\..{1,3}\@")
6276 (-1.0 . "^[0-9][0-9]")
6278 ;; -3.0 /^[0-9][0-9a-fA-F]{2,2}/;
6279 (-3.0 . "^[0-9][0-9a-fA-F][0-9a-fA-F][^0-9a-fA-F]")
6280 ;; -5.0 /^[0-9][0-9a-fA-F]{3,3}/;
6281 (-5.0 . "^[0-9][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][^0-9a-fA-F]")
6283 (-3.0 . "[0-9][0-9][0-9][0-9][0-9][^0-9].*@") ;; "[0-9]{5,}.*\@"
6284 (-3.0 . "[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][^0-9].*@")
6287 . "[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9].*@")
6289 ;; compensation for TDMA dated mail addresses:
6290 (25.0 . "-dated-[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]+.*@")
6292 (-20.0 . "\\.fsf@") ;; Gnus
6295 (-20.0 . "_-_") ;; Subject change in thread
6297 (-20.0 . "\\.ln@") ;; leafnode
6298 (-30.0 . "@ID-[0-9]+\\.[a-zA-Z]+\\.dfncis\\.de")
6299 (-30.0 . "@4[Aa][Xx]\\.com") ;; Forte Agent
6301 ;; (5.0 . "") ;; $local_part_len <= 7
6302 (10.0 . "^[^0-9]+@")
6303 (3.0 . "^[^0-9]+[0-9][0-9]?[0-9]?@")
6304 ;; ^[^0-9]+[0-9]{1,3}\@ digits only at end of local part
6307 (2.0 . "[a-z][a-z][._-][A-Z][a-z].*@")
6309 (0.5 . "^[A-Z][a-z]")
6310 (0.5 . "^[A-Z][a-z][a-z]")
6311 (1.5 . "^[A-Z][a-z][A-Z][a-z][^a-z]") ;; ^[A-Z][a-z]{3,3}
6312 (2.0 . "^[A-Z][a-z][A-Z][a-z][a-z][^a-z]")) ;; ^[A-Z][a-z]{4,4}
6313 "An alist of \(RATE . REGEXP\) pairs for `gnus-button-mid-or-mail-heuristic'.
6315 A negative RATE indicates a message IDs, whereas a positive indicates a mail
6316 address. The REGEXP is processed with `case-fold-search' set to nil."
6317 :group 'gnus-article-buttons
6318 :type '(repeat (cons (number :tag "Rate")
6319 (regexp :tag "Regexp"))))
6321 (defun gnus-button-mid-or-mail-heuristic (mid-or-mail)
6322 "Guess whether MID-OR-MAIL is a message ID or a mail address.
6323 Returns `mid' if MID-OR-MAIL is a message IDs, `mail' if it's a mail
6324 address, `ask' if unsure and `invalid' if the string is invalid."
6325 (let ((case-fold-search nil)
6326 (list gnus-button-mid-or-mail-heuristic-alist)
6327 (result 0) rate regexp lpartlen elem)
6329 (length (gnus-replace-in-string mid-or-mail "^\\(.*\\)@.*$" "\\1")))
6330 (gnus-message 8 "`%s', length of local part=`%s'." mid-or-mail lpartlen)
6331 ;; Certain special cases...
6334 "^0[0-9]+-[0-9][0-9][0-9][0-9]@t-online\\.de$\\|"
6335 "^[0-9]+\\.[0-9]+@compuserve\\|"
6336 "@public\\.gmane\\.org")
6338 (gnus-message 8 "`%s' is a known mail address." mid-or-mail)
6339 (setq result 'mail))
6340 (when (string-match "@.*@\\| " mid-or-mail)
6341 (gnus-message 8 "`%s' is invalid." mid-or-mail)
6342 (setq result 'invalid))
6343 ;; Nothing more to do, if result is not a number here...
6344 (when (numberp result)
6346 (setq elem (car list)
6350 (when (string-match regexp mid-or-mail)
6351 (setq result (+ result rate))
6353 9 "`%s' matched `%s', rate `%s', result `%s'."
6354 mid-or-mail regexp rate result)))
6355 (when (<= lpartlen 7)
6356 (setq result (+ result 5.0))
6357 (gnus-message 9 "`%s' matched (<= lpartlen 7), result `%s'."
6358 mid-or-mail result))
6359 (when (>= lpartlen 12)
6360 (gnus-message 9 "`%s' matched (>= lpartlen 12)" mid-or-mail)
6362 ((string-match "[0-9][^0-9]+[0-9].*@" mid-or-mail)
6363 ;; Long local part should contain realname if e-mail address,
6364 ;; too many digits: message-id.
6365 ;; $score -= 5.0 + 0.1 * $local_part_len;
6366 (setq rate (* -1.0 (+ 5.0 (* 0.1 lpartlen))))
6367 (setq result (+ result rate))
6369 9 "Many digits in `%s', rate `%s', result `%s'."
6370 mid-or-mail rate result))
6371 ((string-match "[^aeiouy][^aeiouy][^aeiouy][^aeiouy]+.*\@"
6373 ;; Too few vowels [^aeiouy]{4,}.*\@
6374 (setq result (+ result -5.0))
6376 9 "Few vowels in `%s', rate `%s', result `%s'."
6377 mid-or-mail -5.0 result))
6379 (setq result (+ result 5.0))
6381 9 "`%s', rate `%s', result `%s'." mid-or-mail 5.0 result)))))
6382 (gnus-message 8 "`%s': Final rate is `%s'." mid-or-mail result)
6383 ;; Maybe we should make this a customizable alist: (condition . 'result)
6385 ((symbolp result) result)
6386 ;; Now convert number into proper results:
6387 ((< result -10.0) 'mid)
6388 ((> result 10.0) 'mail)
6391 (defun gnus-button-handle-mid-or-mail (mid-or-mail)
6392 (let* ((pref gnus-button-prefer-mid-or-mail) guessed
6393 (url-mid (concat "news" ":" mid-or-mail))
6394 (url-mailto (concat "mailto" ":" mid-or-mail)))
6395 (gnus-message 9 "mid-or-mail=%s" mid-or-mail)
6396 (when (fboundp pref)
6398 ;; get rid of surrounding angles...
6400 (gnus-replace-in-string mid-or-mail "^<\\|>$" "")))
6401 (if (or (eq 'mid guessed) (eq 'mail guessed))
6405 (save-window-excursion
6406 (if (y-or-n-p (concat "Is <" mid-or-mail "> a mail address? "))
6409 (cond ((eq pref 'mid)
6410 (gnus-message 8 "calling `gnus-button-handle-news' %s" url-mid)
6411 (gnus-button-handle-news url-mid))
6413 (gnus-message 8 "calling `gnus-url-mailto' %s" url-mailto)
6414 (gnus-url-mailto url-mailto))
6415 (t (gnus-message 3 "Invalid string.")))))
6417 (defun gnus-button-handle-custom (url)
6418 "Follow a Custom URL."
6419 (customize-apropos (gnus-url-unhex-string url)))
6421 (defvar gnus-button-handle-describe-prefix "^\\(C-h\\|<?[Ff]1>?\\)")
6423 ;; FIXME: Maybe we should merge some of the functions that do quite similar
6426 (defun gnus-button-handle-describe-function (url)
6427 "Call `describe-function' when pushing the corresponding URL button."
6430 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))))
6432 (defun gnus-button-handle-describe-variable (url)
6433 "Call `describe-variable' when pushing the corresponding URL button."
6436 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))))
6438 (defun gnus-button-handle-symbol (url)
6439 "Display help on variable or function.
6440 Calls `describe-variable' or `describe-function'."
6441 (let ((sym (intern url)))
6443 ((fboundp sym) (describe-function sym))
6444 ((boundp sym) (describe-variable sym))
6445 (t (gnus-message 3 "`%s' is not a known function of variable." url)))))
6447 (defun gnus-button-handle-describe-key (url)
6448 "Call `describe-key' when pushing the corresponding URL button."
6450 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))
6451 (keys (ignore-errors (eval `(kbd ,key-string)))))
6454 (gnus-message 3 "Invalid key sequence in button: %s" key-string))))
6456 (defun gnus-button-handle-apropos (url)
6457 "Call `apropos' when pushing the corresponding URL button."
6458 (apropos (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6460 (defun gnus-button-handle-apropos-command (url)
6461 "Call `apropos' when pushing the corresponding URL button."
6463 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6465 (defun gnus-button-handle-apropos-variable (url)
6466 "Call `apropos' when pushing the corresponding URL button."
6468 (if (fboundp 'apropos-variable) 'apropos-variable 'apropos)
6469 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6471 (defun gnus-button-handle-apropos-documentation (url)
6472 "Call `apropos' when pushing the corresponding URL button."
6474 (if (fboundp 'apropos-documentation) 'apropos-documentation 'apropos)
6475 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6477 (defun gnus-button-handle-library (url)
6478 "Call `locate-library' when pushing the corresponding URL button."
6479 (gnus-message 9 "url=`%s'" url)
6480 (let* ((lib (locate-library url))
6481 (file (gnus-replace-in-string (or lib "") "\.elc" ".el")))
6483 (gnus-message 1 "Cannot locale library `%s'." url)
6484 (find-file-read-only file))))
6486 (defun gnus-button-handle-ctan (url)
6487 "Call `browse-url' when pushing a CTAN URL button."
6489 gnus-button-ctan-handler
6492 (gnus-replace-in-string url gnus-button-handle-ctan-bogus-regexp ""))))
6494 (defcustom gnus-button-tex-level 5
6495 "*Integer that says how many TeX-related buttons Gnus will show.
6496 The higher the number, the more buttons will appear and the more false
6497 positives are possible. Note that you can set this variable local to
6498 specific groups. Setting it higher in TeX groups is probably a good idea.
6499 See Info node `(gnus)Group Parameters' and the variable `gnus-parameters' on
6500 how to set variables in specific groups."
6501 :group 'gnus-article-buttons
6502 :link '(custom-manual "(gnus)Group Parameters")
6505 (defcustom gnus-button-man-level 5
6506 "*Integer that says how many man-related buttons Gnus will show.
6507 The higher the number, the more buttons will appear and the more false
6508 positives are possible. Note that you can set this variable local to
6509 specific groups. Setting it higher in Unix groups is probably a good idea.
6510 See Info node `(gnus)Group Parameters' and the variable `gnus-parameters' on
6511 how to set variables in specific groups."
6512 :group 'gnus-article-buttons
6513 :link '(custom-manual "(gnus)Group Parameters")
6516 (defcustom gnus-button-emacs-level 5
6517 "*Integer that says how many emacs-related buttons Gnus will show.
6518 The higher the number, the more buttons will appear and the more false
6519 positives are possible. Note that you can set this variable local to
6520 specific groups. Setting it higher in Emacs or Gnus related groups is
6521 probably a good idea. See Info node `(gnus)Group Parameters' and the variable
6522 `gnus-parameters' on how to set variables in specific groups."
6523 :group 'gnus-article-buttons
6524 :link '(custom-manual "(gnus)Group Parameters")
6527 (defcustom gnus-button-message-level 5
6528 "*Integer that says how many buttons for news or mail messages will appear.
6529 The higher the number, the more buttons will appear and the more false
6530 positives are possible."
6531 ;; mail addresses, MIDs, URLs for news, ...
6532 :group 'gnus-article-buttons
6535 (defcustom gnus-button-browse-level 5
6536 "*Integer that says how many buttons for browsing will appear.
6537 The higher the number, the more buttons will appear and the more false
6538 positives are possible."
6539 ;; stuff handled by `browse-url' or `gnus-button-embedded-url'
6540 :group 'gnus-article-buttons
6543 (defcustom gnus-button-alist
6544 '(("<\\(url:[>\n\t ]*?\\)?\\(nntp\\|news\\):[>\n\t ]*\\([^>\n\t ]*@[^>\n\t ]*\\)>"
6545 0 (>= gnus-button-message-level 0) gnus-button-handle-news 3)
6546 ("\\b\\(nntp\\|news\\):\\([^>\n\t ]*@[^>)!;:,\n\t ]*\\)" 0 t
6547 gnus-button-handle-news 2)
6548 ("\\(\\b<\\(url:[>\n\t ]*\\)?\\(nntp\\|news\\):[>\n\t ]*\\(//\\)?\\([^>\n\t ]*\\)>\\)"
6549 1 (>= gnus-button-message-level 0) gnus-button-fetch-group 5)
6550 ("\\b\\(nntp\\|news\\):\\(//\\)?\\([^'\">\n\t ]+\\)"
6551 0 (>= gnus-button-message-level 0) gnus-button-fetch-group 3)
6552 ;; RFC 2392 (Don't allow `/' in domain part --> CID)
6553 ("\\bmid:\\(//\\)?\\([^'\">\n\t ]+@[^'\">\n\t /]+\\)"
6554 0 (>= gnus-button-message-level 0) gnus-button-message-id 2)
6555 ("\\bin\\( +article\\| +message\\)? +\\(<\\([^\n @<>]+@[^\n @<>]+\\)>\\)"
6556 2 (>= gnus-button-message-level 0) gnus-button-message-id 3)
6557 ("\\(<URL: *\\)mailto: *\\([^> \n\t]+\\)>"
6558 0 (>= gnus-button-message-level 0) gnus-url-mailto 2)
6559 ;; RFC 2368 (The mailto URL scheme)
6560 ("\\bmailto:\\([-a-z.@_+0-9%=?&/]+\\)"
6561 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
6562 ("\\bmailto:\\([^ \n\t]+\\)"
6563 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
6565 ((concat "\\bCTAN:[ \t\n]?[^>)!;:,'\n\t ]*\\("
6566 gnus-button-ctan-directory-regexp
6567 "[^][>)!;:,'\n\t ]+\\)")
6568 0 (>= gnus-button-tex-level 1) gnus-button-handle-ctan 1)
6569 ((concat "\\btex-archive/\\("
6570 gnus-button-ctan-directory-regexp
6571 "/[-_.a-z0-9/]+[-_./a-z0-9]+[/a-z0-9]\\)")
6572 1 (>= gnus-button-tex-level 6) gnus-button-handle-ctan 1)
6575 gnus-button-ctan-directory-regexp
6576 "/[-_.a-z0-9]+/[-_./a-z0-9]+[/a-z0-9]\\)")
6577 1 (>= gnus-button-tex-level 8) gnus-button-handle-ctan 1)
6578 ;; This is info (home-grown style) <info://foo/bar+baz>
6579 ("\\binfo://\\([^'\">\n\t ]+\\)"
6580 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url 1)
6581 ;; Info GNOME style <info:foo#bar_baz>
6582 ("\\binfo:\\([^('\n\t\r \"><][^'\n\t\r \"><]*\\)"
6583 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url-gnome 1)
6584 ;; Info KDE style <info:(foo)bar baz>
6585 ("<\\(info:\\(([^)]+)[^>\n\r]*\\)\\)>"
6586 1 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url-kde 2)
6587 ("\\((Info-goto-node\\|(info\\)[ \t\n]*\\(\"[^\"]*\"\\))" 0
6588 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url 2)
6589 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+i[ \t\n]+d?[ \t\n]?m[ \t\n]+\\([^ ]+ ?[^ ]+\\)[ \t\n]+RET"
6590 ;; Info links like `C-h i d m CC Mode RET'
6591 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-keystrokes 2)
6593 ("\\bcustom:\\(//\\)?\\([^'\">\n\t ]+\\)"
6594 0 (>= gnus-button-emacs-level 5) gnus-button-handle-custom 2)
6595 ("M-x[ \t\n]customize-[^ ]+[ \t\n]RET[ \t\n]\\([^ ]+\\)[ \t\n]RET" 0
6596 (>= gnus-button-emacs-level 1) gnus-button-handle-custom 1)
6597 ;; Emacs help commands
6598 ("M-x[ \t\n]+apropos[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6599 ;; regexp doesn't match arguments containing ` '.
6600 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos 1)
6601 ("M-x[ \t\n]+apropos-command[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6602 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-command 1)
6603 ("M-x[ \t\n]+apropos-variable[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6604 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-variable 1)
6605 ("M-x[ \t\n]+apropos-documentation[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6606 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-documentation 1)
6607 ;; The following entries may lead to many false positives so don't enable
6608 ;; them by default (use a high button level):
6609 ("/\\([a-z][-a-z0-9]+\\.el\\)\\>"
6610 1 (>= gnus-button-emacs-level 8) gnus-button-handle-library 1)
6611 ("`\\([a-z][-a-z0-9]+\\.el\\)'"
6612 1 (>= gnus-button-emacs-level 8) gnus-button-handle-library 1)
6613 ("`\\([a-z][a-z0-9]+-[a-z]+-[-a-z]+\\|\\(gnus\\|message\\)-[-a-z]+\\)'"
6614 0 (>= gnus-button-emacs-level 8) gnus-button-handle-symbol 1)
6615 ("`\\([a-z][a-z0-9]+-[a-z]+\\)'"
6616 0 (>= gnus-button-emacs-level 9) gnus-button-handle-symbol 1)
6617 ("(setq[ \t\n]+\\([a-z][a-z0-9]+-[-a-z0-9]+\\)[ \t\n]+.+)"
6618 1 (>= gnus-button-emacs-level 7) gnus-button-handle-describe-variable 1)
6619 ("\\bM-x[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6620 1 (>= gnus-button-emacs-level 7) gnus-button-handle-describe-function 1)
6621 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+f[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6622 0 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-function 2)
6623 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+v[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6624 0 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-variable 2)
6625 ("`\\(\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+k[ \t\n]+\\([^']+\\)\\)'"
6626 ;; Unlike the other regexps we really have to require quoting
6627 ;; here to determine where it ends.
6628 1 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-key 3)
6629 ;; This is how URLs _should_ be embedded in text (RFC 1738, RFC 2396)...
6630 ("<URL: *\\([^<>]*\\)>"
6631 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
6632 ;; RFC 2396 (2.4.3., delims) ...
6633 ("\"URL: *\\([^\"]*\\)\""
6634 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
6635 ;; RFC 2396 (2.4.3., delims) ...
6636 ("\"URL: *\\([^\"]*\\)\""
6637 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
6639 (gnus-button-url-regexp
6640 0 (>= gnus-button-browse-level 0) browse-url 0)
6642 ("\\b\\([a-z][a-z]+([1-9])\\)\\W"
6643 0 (and (>= gnus-button-man-level 1) (< gnus-button-man-level 3))
6644 gnus-button-handle-man 1)
6645 ;; more man pages: resolv.conf(5), iso_8859-1(7), xterm(1x)
6646 ("\\b\\([a-z][-_.a-z0-9]+([1-9])\\)\\W"
6647 0 (and (>= gnus-button-man-level 3) (< gnus-button-man-level 5))
6648 gnus-button-handle-man 1)
6649 ;; even more: Apache::PerlRun(3pm), PDL::IO::FastRaw(3pm),
6650 ;; SoWWWAnchor(3iv), XSelectInput(3X11), X(1), X(7)
6651 ("\\b\\(\\(?:[a-z][-+_.:a-z0-9]+([1-9][X1a-z]*)\\)\\|\\b\\(?:X([1-9])\\)\\)\\W"
6652 0 (>= gnus-button-man-level 5) gnus-button-handle-man 1)
6653 ;; MID or mail: To avoid too many false positives we don't try to catch
6654 ;; all kind of allowed MIDs or mail addresses. Domain part must contain
6655 ;; at least one dot. TLD must contain two or three chars or be a know TLD
6656 ;; (info|name|...). Put this entry near the _end_ of `gnus-button-alist'
6657 ;; so that non-ambiguous entries (see above) match first.
6658 (gnus-button-mid-or-mail-regexp
6659 0 (>= gnus-button-message-level 5) gnus-button-handle-mid-or-mail 1))
6660 "*Alist of regexps matching buttons in article bodies.
6662 Each entry has the form (REGEXP BUTTON FORM CALLBACK PAR...), where
6663 REGEXP: is the string (case insensitive) matching text around the button (can
6664 also be Lisp expression evaluating to a string),
6665 BUTTON: is the number of the regexp grouping actually matching the button,
6666 FORM: is a Lisp expression which must eval to true for the button to
6668 CALLBACK: is the function to call when the user push this button, and each
6669 PAR: is a number of a regexp grouping whose text will be passed to CALLBACK.
6671 CALLBACK can also be a variable, in that case the value of that
6672 variable it the real callback function."
6673 :group 'gnus-article-buttons
6674 :type '(repeat (list (choice regexp variable sexp)
6675 (integer :tag "Button")
6677 (function :tag "Callback")
6680 (integer :tag "Regexp group")))))
6682 (defcustom gnus-header-button-alist
6683 '(("^\\(References\\|Message-I[Dd]\\|^In-Reply-To\\):" "<[^<>]+>"
6684 0 (>= gnus-button-message-level 0) gnus-button-message-id 0)
6685 ("^\\(From\\|Reply-To\\):" ": *\\(.+\\)$"
6686 1 (>= gnus-button-message-level 0) gnus-button-reply 1)
6687 ("^\\(Cc\\|To\\):" "[^ \t\n<>,()\"]+@[^ \t\n<>,()\"]+"
6688 0 (>= gnus-button-message-level 0) gnus-button-mailto 0)
6689 ("^X-[Uu][Rr][Ll]:" gnus-button-url-regexp
6690 0 (>= gnus-button-browse-level 0) browse-url 0)
6691 ("^Subject:" gnus-button-url-regexp
6692 0 (>= gnus-button-browse-level 0) browse-url 0)
6693 ("^[^:]+:" gnus-button-url-regexp
6694 0 (>= gnus-button-browse-level 0) browse-url 0)
6695 ("^[^:]+:" "\\bmailto:\\([-a-z.@_+0-9%=?&/]+\\)"
6696 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
6697 ("^[^:]+:" "\\(<\\(url: \\)?\\(nntp\\|news\\):\\([^>\n ]*\\)>\\)"
6698 1 (>= gnus-button-message-level 0) gnus-button-message-id 4))
6699 "*Alist of headers and regexps to match buttons in article heads.
6701 This alist is very similar to `gnus-button-alist', except that each
6702 alist has an additional HEADER element first in each entry:
6704 \(HEADER REGEXP BUTTON FORM CALLBACK PAR)
6706 HEADER is a regexp to match a header. For a fuller explanation, see
6707 `gnus-button-alist'."
6708 :group 'gnus-article-buttons
6709 :group 'gnus-article-headers
6710 :type '(repeat (list (regexp :tag "Header")
6711 (choice regexp variable)
6712 (integer :tag "Button")
6714 (function :tag "Callback")
6717 (integer :tag "Regexp group")))))
6721 (defun gnus-article-push-button (event)
6722 "Check text under the mouse pointer for a callback function.
6723 If the text under the mouse pointer has a `gnus-callback' property,
6724 call it with the value of the `gnus-data' text property."
6726 (set-buffer (window-buffer (posn-window (event-start event))))
6727 (let* ((pos (posn-point (event-start event)))
6728 (data (get-text-property pos 'gnus-data))
6729 (fun (get-text-property pos 'gnus-callback)))
6732 (funcall fun data))))
6734 (defun gnus-article-press-button ()
6735 "Check text at point for a callback function.
6736 If the text at point has a `gnus-callback' property,
6737 call it with the value of the `gnus-data' text property."
6739 (let ((data (get-text-property (point) 'gnus-data))
6740 (fun (get-text-property (point) 'gnus-callback)))
6742 (funcall fun data))))
6744 (defun gnus-article-prev-button (n)
6745 "Move point to N buttons backward.
6746 If N is negative, move forward instead."
6748 (gnus-article-next-button (- n)))
6750 (defun gnus-article-next-button (n)
6751 "Move point to N buttons forward.
6752 If N is negative, move backward instead."
6754 (let ((function (if (< n 0) 'previous-single-property-change
6755 'next-single-property-change))
6756 (inhibit-point-motion-hooks t)
6758 (limit (if (< n 0) (point-min) (point-max))))
6760 (while (and (not (= limit (point)))
6762 ;; Skip past the current button.
6763 (when (get-text-property (point) 'gnus-callback)
6764 (goto-char (funcall function (point) 'gnus-callback nil limit)))
6765 ;; Go to the next (or previous) button.
6766 (gnus-goto-char (funcall function (point) 'gnus-callback nil limit))
6767 ;; Put point at the start of the button.
6768 (when (and backward (not (get-text-property (point) 'gnus-callback)))
6769 (goto-char (funcall function (point) 'gnus-callback nil limit)))
6770 ;; Skip past intangible buttons.
6771 (when (get-text-property (point) 'intangible)
6775 (gnus-message 5 "No more buttons"))
6778 (defun gnus-article-highlight (&optional force)
6779 "Highlight current article.
6780 This function calls `gnus-article-highlight-headers',
6781 `gnus-article-highlight-citation',
6782 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
6783 do the highlighting. See the documentation for those functions."
6784 (interactive (list 'force))
6785 (gnus-article-highlight-headers)
6786 (gnus-article-highlight-citation force)
6787 (gnus-article-highlight-signature)
6788 (gnus-article-add-buttons force)
6789 (gnus-article-add-buttons-to-head))
6791 (defun gnus-article-highlight-some (&optional force)
6792 "Highlight current article.
6793 This function calls `gnus-article-highlight-headers',
6794 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
6795 do the highlighting. See the documentation for those functions."
6796 (interactive (list 'force))
6797 (gnus-article-highlight-headers)
6798 (gnus-article-highlight-signature)
6799 (gnus-article-add-buttons))
6801 (defun gnus-article-highlight-headers ()
6802 "Highlight article headers as specified by `gnus-header-face-alist'."
6804 (gnus-with-article-headers
6805 (let ((alist gnus-header-face-alist)
6806 entry regexp header-face field-face from hpoints fpoints)
6807 (while (setq entry (pop alist))
6808 (goto-char (point-min))
6809 (setq regexp (concat "^\\("
6810 (if (string-equal "" (nth 0 entry))
6814 header-face (nth 1 entry)
6815 field-face (nth 2 entry))
6816 (while (and (re-search-forward regexp nil t)
6820 (unless (search-forward ":" nil t)
6822 (when (and header-face
6823 (not (memq (point) hpoints)))
6824 (push (point) hpoints)
6825 (gnus-put-text-property from (point) 'face header-face))
6826 (when (and field-face
6827 (not (memq (setq from (point)) fpoints)))
6829 (if (re-search-forward "^[^ \t]" nil t)
6831 (goto-char (point-max)))
6832 (gnus-put-text-property from (point) 'face field-face)))))))
6834 (defun gnus-article-highlight-signature ()
6835 "Highlight the signature in an article.
6836 It does this by highlighting everything after
6837 `gnus-signature-separator' using `gnus-signature-face'."
6839 (when gnus-signature-face
6840 (gnus-with-article-buffer
6841 (let ((inhibit-point-motion-hooks t))
6843 (when (gnus-article-narrow-to-signature)
6844 (gnus-overlay-put (gnus-make-overlay (point-min) (point-max))
6845 'face gnus-signature-face)))))))
6847 (defun gnus-article-buttonize-signature ()
6848 "Add button to the signature."
6851 (set-buffer gnus-article-buffer)
6852 (let ((buffer-read-only nil)
6853 (inhibit-point-motion-hooks t))
6854 (when (gnus-article-search-signature)
6855 (gnus-article-add-button (match-beginning 0) (match-end 0)
6856 'gnus-signature-toggle
6857 (set-marker (make-marker)
6858 (1+ (match-end 0))))))))
6860 (defun gnus-button-in-region-p (b e prop)
6861 "Say whether PROP exists in the region."
6862 (text-property-not-all b e prop nil))
6864 (defun gnus-article-add-buttons (&optional force)
6865 "Find external references in the article and make buttons of them.
6866 \"External references\" are things like Message-IDs and URLs, as
6867 specified by `gnus-button-alist'."
6868 (interactive (list 'force))
6869 (gnus-with-article-buffer
6870 (let ((inhibit-point-motion-hooks t)
6871 (case-fold-search t)
6872 (alist gnus-button-alist)
6874 ;; Remove all old markers.
6875 (let (marker entry new-list)
6876 (while (setq marker (pop gnus-button-marker-list))
6877 (if (or (< marker (point-min)) (>= marker (point-max)))
6878 (push marker new-list)
6880 (when (setq entry (gnus-button-entry))
6881 (put-text-property (match-beginning (nth 1 entry))
6882 (match-end (nth 1 entry))
6883 'gnus-callback nil))
6884 (set-marker marker nil)))
6885 (setq gnus-button-marker-list new-list))
6886 ;; We skip the headers.
6889 (while (setq entry (pop alist))
6890 (setq regexp (eval (car entry)))
6892 (while (re-search-forward regexp nil t)
6893 (let* ((start (and entry (match-beginning (nth 1 entry))))
6894 (end (and entry (match-end (nth 1 entry))))
6895 (from (match-beginning 0)))
6896 (when (and (or (eq t (nth 2 entry))
6897 (eval (nth 2 entry)))
6898 (not (gnus-button-in-region-p
6899 start end 'gnus-callback)))
6900 ;; That optional form returned non-nil, so we add the
6902 (gnus-article-add-button
6903 start end 'gnus-button-push
6904 (car (push (set-marker (make-marker) from)
6905 gnus-button-marker-list))))))))))
6907 ;; Add buttons to the head of an article.
6908 (defun gnus-article-add-buttons-to-head ()
6909 "Add buttons to the head of the article."
6911 (gnus-with-article-headers
6912 (let ((alist gnus-header-button-alist)
6915 ;; Each alist entry.
6916 (setq entry (pop alist))
6917 (goto-char (point-min))
6918 (while (re-search-forward (car entry) nil t)
6919 ;; Each header matching the entry.
6920 (setq beg (match-beginning 0))
6921 (setq end (or (and (re-search-forward "^[^ \t]" nil t)
6922 (match-beginning 0))
6925 (while (re-search-forward (eval (nth 1 entry)) end t)
6926 ;; Each match within a header.
6927 (let* ((entry (cdr entry))
6928 (start (match-beginning (nth 1 entry)))
6929 (end (match-end (nth 1 entry)))
6930 (form (nth 2 entry)))
6931 (goto-char (match-end 0))
6933 (gnus-article-add-button
6934 start end (nth 3 entry)
6935 (buffer-substring (match-beginning (nth 4 entry))
6936 (match-end (nth 4 entry)))))))
6937 (goto-char end))))))
6939 ;;; External functions:
6941 (defun gnus-article-add-button (from to fun &optional data)
6942 "Create a button between FROM and TO with callback FUN and data DATA."
6943 (when gnus-article-button-face
6944 (gnus-overlay-put (gnus-make-overlay from to)
6945 'face gnus-article-button-face))
6946 (gnus-add-text-properties
6948 (nconc (and gnus-article-mouse-face
6949 (list gnus-mouse-face-prop gnus-article-mouse-face))
6950 (list 'gnus-callback fun)
6951 (and data (list 'gnus-data data))))
6952 (widget-convert-button 'link from to :action 'gnus-widget-press-button
6953 :button-keymap gnus-widget-button-keymap))
6955 ;;; Internal functions:
6957 (defun gnus-article-set-globals ()
6958 (with-current-buffer gnus-summary-buffer
6959 (gnus-set-global-variables)))
6961 (defun gnus-signature-toggle (end)
6962 (gnus-with-article-buffer
6963 (let ((inhibit-point-motion-hooks t)
6964 (limit (next-single-property-change end 'mime-view-entity
6966 (if (text-property-any end limit 'article-type 'signature)
6968 (gnus-delete-wash-type 'signature)
6969 (gnus-remove-text-properties-when
6970 'article-type 'signature end limit
6971 (cons 'article-type (cons 'signature
6972 gnus-hidden-properties))))
6973 (gnus-add-wash-type 'signature)
6974 (gnus-add-text-properties-when
6975 'article-type nil end limit
6976 (cons 'article-type (cons 'signature
6977 gnus-hidden-properties)))))
6978 (let ((gnus-article-mime-handle-alist-1 gnus-article-mime-handle-alist))
6979 (gnus-set-mode-line 'article))))
6981 (defun gnus-button-entry ()
6982 ;; Return the first entry in `gnus-button-alist' matching this place.
6983 (let ((alist gnus-button-alist)
6986 (setq entry (pop alist))
6987 (if (looking-at (eval (car entry)))
6992 (defun gnus-button-push (marker)
6993 ;; Push button starting at MARKER.
6996 (let* ((entry (gnus-button-entry))
6997 (inhibit-point-motion-hooks t)
6999 (args (mapcar (lambda (group)
7000 (let ((string (match-string group)))
7001 (set-text-properties
7002 0 (length string) nil string)
7009 (fboundp (symbol-value fun)))
7010 (apply (symbol-value fun) args))
7012 (gnus-message 1 "You must define `%S' to use this button"
7013 (cons fun args)))))))
7015 (defun gnus-parse-news-url (url)
7016 (let (scheme server group message-id articles)
7019 (goto-char (point-min))
7020 (when (looking-at "\\([A-Za-z]+\\):")
7021 (setq scheme (match-string 1))
7022 (goto-char (match-end 0)))
7023 (when (looking-at "//\\([^/]+\\)/")
7024 (setq server (match-string 1))
7025 (goto-char (match-end 0)))
7028 ((looking-at "\\(.*@.*\\)")
7029 (setq message-id (match-string 1)))
7030 ((looking-at "\\([^/]+\\)/\\([-0-9]+\\)")
7031 (setq group (match-string 1)
7032 articles (split-string (match-string 2) "-")))
7033 ((looking-at "\\([^/]+\\)/?")
7034 (setq group (match-string 1)))
7036 (error "Unknown news URL syntax"))))
7037 (list scheme server group message-id articles)))
7039 (defun gnus-button-handle-news (url)
7041 (destructuring-bind (scheme server group message-id articles)
7042 (gnus-parse-news-url url)
7046 (set-buffer gnus-summary-buffer)
7048 (let ((gnus-refer-article-method (list (list 'nntp server))))
7049 (gnus-summary-refer-article message-id))
7050 (gnus-summary-refer-article message-id))))
7052 (gnus-button-fetch-group url)))))
7054 (defun gnus-button-handle-man (url)
7056 (gnus-message 9 "`%s' `%s'" gnus-button-man-handler url)
7057 (when (eq gnus-button-man-handler 'woman)
7058 (setq url (gnus-replace-in-string url "([1-9][X1a-z]*).*\\'" "")))
7059 (gnus-message 9 "`%s' `%s'" gnus-button-man-handler url)
7060 (funcall gnus-button-man-handler url))
7062 (defun gnus-button-handle-info-url (url)
7063 "Fetch an info URL."
7064 (setq url (mm-subst-char-in-string ?+ ?\ url))
7066 ((string-match "^\\([^:/]+\\)?/\\(.*\\)" url)
7067 (gnus-info-find-node
7068 (concat "(" (or (gnus-url-unhex-string (match-string 1 url))
7070 ")" (gnus-url-unhex-string (match-string 2 url)))))
7071 ((string-match "([^)\"]+)[^\"]+" url)
7073 (gnus-replace-in-string
7074 (gnus-replace-in-string url "[\n\t ]+" " ") "\"" ""))
7075 (gnus-info-find-node url))
7076 (t (error "Can't parse %s" url))))
7078 (defun gnus-button-handle-info-url-gnome (url)
7079 "Fetch GNOME style info URL."
7080 (setq url (mm-subst-char-in-string ?_ ?\ url))
7081 (if (string-match "\\([^#]+\\)#?\\(.*\\)" url)
7082 (gnus-info-find-node
7084 (gnus-url-unhex-string
7085 (match-string 1 url))
7087 (or (gnus-url-unhex-string
7088 (match-string 2 url))
7090 (error "Can't parse %s" url)))
7092 (defun gnus-button-handle-info-url-kde (url)
7093 "Fetch KDE style info URL."
7094 (gnus-info-find-node (gnus-url-unhex-string url)))
7096 (defun gnus-button-handle-info-keystrokes (url)
7097 "Call `info' when pushing the corresponding URL button."
7098 ;; For links like `C-h i d m gnus RET', `C-h i d m CC Mode RET'.
7103 (defun gnus-button-message-id (message-id)
7105 (with-current-buffer gnus-summary-buffer
7106 (gnus-summary-refer-article message-id)))
7108 (defun gnus-button-fetch-group (address)
7109 "Fetch GROUP specified by ADDRESS."
7110 (if (not (string-match "[:/]" address))
7111 ;; This is just a simple group url.
7112 (gnus-group-read-ephemeral-group address gnus-select-method)
7115 "^\\([^:/]+\\)\\(:\\([^/]+\\)\\)?/\\([^/]+\\)\\(/\\([0-9]+\\)\\)?"
7117 (error "Can't parse %s" address)
7118 (gnus-group-read-ephemeral-group
7119 (match-string 4 address)
7120 `(nntp ,(match-string 1 address)
7121 (nntp-address ,(match-string 1 address))
7122 (nntp-port-number ,(if (match-end 3)
7123 (match-string 3 address)
7126 (and (match-end 6) (list (string-to-int (match-string 6 address))))))))
7128 (defun gnus-url-parse-query-string (query &optional downcase)
7129 (let (retval pairs cur key val)
7130 (setq pairs (split-string query "&"))
7132 (setq cur (car pairs)
7134 (if (not (string-match "=" cur))
7136 (setq key (gnus-url-unhex-string (substring cur 0 (match-beginning 0)))
7137 val (gnus-url-unhex-string (substring cur (match-end 0) nil) t))
7139 (setq key (downcase key)))
7140 (setq cur (assoc key retval))
7142 (setcdr cur (cons val (cdr cur)))
7143 (setq retval (cons (list key val) retval)))))
7146 (defun gnus-url-mailto (url)
7147 ;; Send mail to someone
7148 (when (string-match "mailto:/*\\(.*\\)" url)
7149 (setq url (substring url (match-beginning 1) nil)))
7150 (let (to args subject func)
7151 (setq args (gnus-url-parse-query-string
7152 (if (string-match "^\\?" url)
7154 (if (string-match "^\\([^?]+\\)\\?\\(.*\\)" url)
7155 (concat "to=" (match-string 1 url) "&"
7156 (match-string 2 url))
7157 (concat "to=" url)))
7159 subject (cdr-safe (assoc "subject" args)))
7162 (setq func (intern-soft (concat "message-goto-" (downcase (caar args)))))
7165 (message-position-on-field (caar args)))
7166 (insert (gnus-replace-in-string
7167 (mapconcat 'identity (reverse (cdar args)) ", ")
7169 (setq args (cdr args)))
7172 (message-goto-subject))))
7174 (defun gnus-button-embedded-url (address)
7175 "Activate ADDRESS with `browse-url'."
7176 (browse-url (gnus-strip-whitespace address)))
7178 ;;; Next/prev buttons in the article buffer.
7180 (defvar gnus-next-page-line-format "%{%(Next page...%)%}\n")
7181 (defvar gnus-prev-page-line-format "%{%(Previous page...%)%}\n")
7183 (defvar gnus-prev-page-map
7184 (let ((map (make-sparse-keymap)))
7185 (define-key map gnus-mouse-2 'gnus-button-prev-page)
7186 (define-key map "\r" 'gnus-button-prev-page)
7189 (defvar gnus-next-page-map
7190 (let ((map (make-sparse-keymap)))
7191 (define-key map gnus-mouse-2 'gnus-button-next-page)
7192 (define-key map "\r" 'gnus-button-next-page)
7195 (defun gnus-insert-prev-page-button ()
7197 (buffer-read-only nil)
7198 (situation (get-text-property (point-min) 'mime-view-situation)))
7200 gnus-prev-page-line-format nil
7201 `(keymap ,gnus-prev-page-map
7203 gnus-callback gnus-article-button-prev-page
7204 article-type annotation
7205 mime-view-situation ,situation))
7206 (widget-convert-button
7208 ;; Exclude a newline.
7211 :action 'gnus-button-prev-page
7212 :button-keymap gnus-prev-page-map)))
7214 (defun gnus-button-next-page (&optional args more-args)
7215 "Go to the next page."
7217 (let ((win (selected-window)))
7218 (select-window (gnus-get-buffer-window gnus-article-buffer t))
7219 (gnus-article-next-page)
7220 (select-window win)))
7222 (defun gnus-button-prev-page (&optional args more-args)
7223 "Go to the prev page."
7225 (let ((win (selected-window)))
7226 (select-window (gnus-get-buffer-window gnus-article-buffer t))
7227 (gnus-article-prev-page)
7228 (select-window win)))
7230 (defun gnus-insert-next-page-button ()
7232 (buffer-read-only nil)
7233 (situation (get-text-property (point-min) 'mime-view-situation)))
7234 (gnus-eval-format gnus-next-page-line-format nil
7235 `(keymap ,gnus-next-page-map
7237 gnus-callback gnus-article-button-next-page
7238 article-type annotation
7239 mime-view-situation ,situation))
7240 (widget-convert-button
7242 ;; Exclude a newline.
7245 :action 'gnus-button-next-page
7246 :button-keymap gnus-next-page-map)))
7248 (defun gnus-article-button-next-page (arg)
7249 "Go to the next page."
7251 (let ((win (selected-window)))
7252 (select-window (gnus-get-buffer-window gnus-article-buffer t))
7253 (gnus-article-next-page)
7254 (select-window win)))
7256 (defun gnus-article-button-prev-page (arg)
7257 "Go to the prev page."
7259 (let ((win (selected-window)))
7260 (select-window (gnus-get-buffer-window gnus-article-buffer t))
7261 (gnus-article-prev-page)
7262 (select-window win)))
7264 (defvar gnus-decode-header-methods
7265 '(mail-decode-encoded-word-region)
7266 "List of methods used to decode headers.
7268 This variable is a list of FUNCTION or (REGEXP . FUNCTION). If item
7269 is FUNCTION, FUNCTION will be apply to all newsgroups. If item is a
7270 \(REGEXP . FUNCTION), FUNCTION will be only apply to the newsgroups
7271 whose names match REGEXP.
7274 \((\"chinese\" . gnus-decode-encoded-word-region-by-guess)
7275 mail-decode-encoded-word-region
7276 (\"chinese\" . rfc1843-decode-region))
7279 (defvar gnus-decode-header-methods-cache nil)
7281 (defun gnus-multi-decode-header (start end)
7282 "Apply the functions from `gnus-encoded-word-methods' that match."
7283 (unless (and gnus-decode-header-methods-cache
7284 (eq gnus-newsgroup-name
7285 (car gnus-decode-header-methods-cache)))
7286 (setq gnus-decode-header-methods-cache (list gnus-newsgroup-name))
7289 (nconc gnus-decode-header-methods-cache (list x))
7290 (if (and gnus-newsgroup-name
7291 (string-match (car x) gnus-newsgroup-name))
7292 (nconc gnus-decode-header-methods-cache
7294 gnus-decode-header-methods))
7295 (let ((xlist gnus-decode-header-methods-cache))
7298 (narrow-to-region start end)
7300 (funcall (pop xlist) (point-min) (point-max))))))
7303 ;;; Treatment top-level handling.
7306 (defun gnus-treat-article (condition &optional part-number total-parts type)
7307 (let ((length (- (point-max) (point-min)))
7308 (alist gnus-treatment-function-alist)
7309 (article-goto-body-goes-to-point-min-p t)
7313 (let ((list gnus-article-treat-types))
7315 (when (string-match (pop list) type)
7316 (throw 'found t)))))))
7317 (highlightp (gnus-visual-p 'article-highlight 'highlight))
7318 (entity (static-unless (featurep 'xemacs)
7319 (when (eq 'head condition)
7320 (get-text-property (point-min) 'mime-view-entity))))
7321 val elem buttonized)
7322 (gnus-run-hooks 'gnus-part-display-hook)
7323 (unless gnus-inhibit-treatment
7324 (dolist (elem alist)
7327 (when (gnus-buffer-live-p gnus-summary-buffer)
7328 (set-buffer gnus-summary-buffer))
7329 (symbol-value (car elem))))
7330 (when (and (or (consp val)
7332 (gnus-treat-predicate val)
7333 (or (not (get (car elem) 'highlight))
7335 (when (and (not buttonized)
7337 '(gnus-treat-hide-signature
7338 gnus-treat-highlight-signature)))
7339 (gnus-article-buttonize-signature)
7340 (setq buttonized t))
7342 (funcall (cadr elem)))))
7343 ;; FSF Emacsen does not inherit the existing text properties
7344 ;; in the new text, so we should do it for `mime-view-entity'.
7345 (static-unless (featurep 'xemacs)
7347 (put-text-property (point-min) (point-max)
7348 'mime-view-entity entity))))))
7350 ;; Dynamic variables.
7352 (defvar part-number)
7353 (defvar total-parts)
7358 (defun gnus-treat-predicate (val)
7363 (stringp (car val)))
7364 (apply 'gnus-or (mapcar `(lambda (s)
7365 (string-match s ,(or gnus-newsgroup-name "")))
7368 (let ((pred (pop val)))
7371 (apply 'gnus-or (mapcar 'gnus-treat-predicate val)))
7373 (apply 'gnus-and (mapcar 'gnus-treat-predicate val)))
7375 (not (gnus-treat-predicate (car val))))
7377 (equal (car val) type))
7379 (error "%S is not a valid predicate" pred)))))
7389 (eq part-number total-parts))
7393 (error "%S is not a valid value" val))))
7395 (defun gnus-article-encrypt-body (protocol &optional n)
7396 "Encrypt the article body."
7399 (or gnus-article-encrypt-protocol
7400 (completing-read "Encrypt protocol: "
7401 gnus-article-encrypt-protocol-alist
7403 current-prefix-arg))
7404 (let ((func (cdr (assoc protocol gnus-article-encrypt-protocol-alist))))
7406 (error (format "Can't find the encrypt protocol %s" protocol)))
7407 (if (member gnus-newsgroup-name '("nndraft:delayed"
7410 (error "Can't encrypt the article in group %s"
7411 gnus-newsgroup-name))
7412 (gnus-summary-iterate n
7414 (set-buffer gnus-summary-buffer)
7415 (let ((mail-parse-charset gnus-newsgroup-charset)
7416 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets)
7417 (summary-buffer gnus-summary-buffer)
7419 (gnus-set-global-variables)
7420 (when (gnus-group-read-only-p)
7421 (error "The current newsgroup does not support article encrypt"))
7422 (gnus-summary-show-article t)
7424 (or (mail-header-references gnus-current-headers) ""))
7425 (set-buffer gnus-article-buffer)
7426 (let* ((buffer-read-only nil)
7428 (mapcar (lambda (field)
7429 (and (save-restriction
7430 (message-narrow-to-head)
7431 (goto-char (point-min))
7432 (search-forward field nil t))
7434 (message-narrow-to-field)
7436 (delete-region (point-min) (point-max))
7438 '("Content-Type:" "Content-Transfer-Encoding:"
7439 "Content-Disposition:"))))
7440 (message-narrow-to-head)
7441 (message-remove-header "MIME-Version")
7442 (goto-char (point-max))
7443 (setq point (point))
7444 (insert (apply 'concat headers))
7446 (narrow-to-region point (point-max))
7447 (let ((message-options message-options))
7448 (message-options-set 'message-sender user-mail-address)
7449 (message-options-set 'message-recipients user-mail-address)
7450 (message-options-set 'message-sign-encrypt 'not)
7452 (goto-char (point-min))
7453 (insert "MIME-Version: 1.0\n")
7455 (gnus-summary-edit-article-done
7456 references nil summary-buffer t))
7457 (when gnus-keep-backlog
7458 (gnus-backlog-remove-article
7459 (car gnus-article-current) (cdr gnus-article-current)))
7461 (when (get-buffer gnus-original-article-buffer)
7462 (set-buffer gnus-original-article-buffer)
7463 (setq gnus-original-article nil)))
7464 (when gnus-use-cache
7465 (gnus-cache-update-article
7466 (car gnus-article-current) (cdr gnus-article-current))))))))
7468 (defvar gnus-mime-security-button-line-format "%{%([[%t:%i]%D]%)%}\n"
7469 "The following specs can be used:
7470 %t The security MIME type
7473 %D Details if button is pressed")
7475 (defvar gnus-mime-security-button-end-line-format "%{%([[End of %t]%D]%)%}\n"
7476 "The following specs can be used:
7477 %t The security MIME type
7480 %D Details if button is pressed")
7482 (defvar gnus-mime-security-button-line-format-alist
7483 '((?t gnus-tmp-type ?s)
7484 (?i gnus-tmp-info ?s)
7485 (?d gnus-tmp-details ?s)
7486 (?D gnus-tmp-pressed-details ?s)))
7488 (defvar gnus-mime-security-button-map
7489 (let ((map (make-sparse-keymap)))
7490 (define-key map gnus-mouse-2 'gnus-article-push-button)
7491 (define-key map "\r" 'gnus-article-press-button)
7494 (defvar gnus-mime-security-details-buffer nil)
7496 (defvar gnus-mime-security-button-pressed nil)
7498 (defvar gnus-mime-security-show-details-inline t
7499 "If non-nil, show details in the article buffer.")
7501 (defun gnus-mime-security-verify-or-decrypt (handle)
7502 (mm-remove-parts (cdr handle))
7503 (let ((region (mm-handle-multipart-ctl-parameter handle 'gnus-region))
7504 point buffer-read-only)
7506 (goto-char (car region)))
7508 (narrow-to-region (point) (point))
7509 (with-current-buffer (mm-handle-multipart-original-buffer handle)
7510 (let* ((mm-verify-option 'known)
7511 (mm-decrypt-option 'known)
7512 (nparts (mm-possibly-verify-or-decrypt (cdr handle) handle)))
7513 (unless (eq nparts (cdr handle))
7514 (mm-destroy-parts (cdr handle))
7515 (setcdr handle nparts))))
7516 (setq point (point))
7517 (gnus-mime-display-security handle)
7518 (goto-char (point-max)))
7520 (delete-region (point) (cdr region))
7521 (set-marker (car region) nil)
7522 (set-marker (cdr region) nil))
7525 (defun gnus-mime-security-show-details (handle)
7526 (let ((details (mm-handle-multipart-ctl-parameter handle 'gnus-details)))
7528 (gnus-message 5 "No details.")
7529 (if gnus-mime-security-show-details-inline
7530 (let ((gnus-mime-security-button-pressed
7531 (not (get-text-property (point) 'gnus-mime-details)))
7532 (gnus-mime-security-button-line-format
7533 (get-text-property (point) 'gnus-line-format))
7536 (while (eq (get-text-property (point) 'gnus-line-format)
7537 gnus-mime-security-button-line-format)
7541 (narrow-to-region (point) (point))
7542 (gnus-insert-mime-security-button handle))
7543 (delete-region (point)
7544 (or (text-property-not-all
7547 gnus-mime-security-button-line-format)
7550 (if (gnus-buffer-live-p gnus-mime-security-details-buffer)
7551 (with-current-buffer gnus-mime-security-details-buffer
7554 (setq gnus-mime-security-details-buffer
7555 (gnus-get-buffer-create "*MIME Security Details*")))
7556 (with-current-buffer gnus-mime-security-details-buffer
7558 (goto-char (point-min)))
7559 (pop-to-buffer gnus-mime-security-details-buffer)))))
7561 (defun gnus-mime-security-press-button (handle)
7563 (if (mm-handle-multipart-ctl-parameter handle 'gnus-info)
7564 (gnus-mime-security-show-details handle)
7565 (gnus-mime-security-verify-or-decrypt handle))))
7567 (defun gnus-insert-mime-security-button (handle &optional displayed)
7568 (let* ((protocol (mm-handle-multipart-ctl-parameter handle 'protocol))
7571 (or (nth 2 (assoc protocol mm-verify-function-alist))
7572 (nth 2 (assoc protocol mm-decrypt-function-alist))
7574 (if (equal (car handle) "multipart/signed")
7575 " Signed" " Encrypted")
7578 (or (mm-handle-multipart-ctl-parameter handle 'gnus-info)
7581 (mm-handle-multipart-ctl-parameter handle 'gnus-details))
7582 gnus-tmp-pressed-details
7584 (setq gnus-tmp-details
7585 (if gnus-tmp-details
7586 (concat "\n" gnus-tmp-details)
7588 (setq gnus-tmp-pressed-details
7589 (if gnus-mime-security-button-pressed gnus-tmp-details ""))
7594 gnus-mime-security-button-line-format
7595 gnus-mime-security-button-line-format-alist
7596 `(keymap ,gnus-mime-security-button-map
7597 gnus-callback gnus-mime-security-press-button
7598 gnus-line-format ,gnus-mime-security-button-line-format
7599 gnus-mime-details ,gnus-mime-security-button-pressed
7600 article-type annotation
7603 ;; Exclude a newline.
7606 (widget-convert-button
7609 :action 'gnus-widget-press-button
7610 :button-keymap gnus-mime-security-button-map
7612 (lambda (widget/window &optional overlay pos)
7613 ;; Needed to properly clear the message due to a bug in
7614 ;; wid-edit (XEmacs only).
7615 (when (boundp 'help-echo-owns-message)
7616 (setq help-echo-owns-message t))
7619 (aref gnus-mouse-2 0))))))
7621 (defun gnus-mime-display-security (handle)
7623 (narrow-to-region (point) (point))
7624 (unless (gnus-unbuttonized-mime-type-p (car handle))
7625 (gnus-insert-mime-security-button handle))
7626 (gnus-mime-display-mixed (cdr handle))
7629 (unless (gnus-unbuttonized-mime-type-p (car handle))
7630 (let ((gnus-mime-security-button-line-format
7631 gnus-mime-security-button-end-line-format))
7632 (gnus-insert-mime-security-button handle)))
7633 (mm-set-handle-multipart-parameter
7635 (cons (set-marker (make-marker) (point-min))
7636 (set-marker (make-marker) (point-max))))))
7642 (defun gnus-article-header-presentation-method (entity situation)
7643 (mime-insert-header entity)
7644 (article-decode-group-name))
7646 (set-alist 'mime-header-presentation-method-alist
7647 'gnus-original-article-mode
7648 #'gnus-article-header-presentation-method)
7650 (defun gnus-mime-preview-quitting-method ()
7651 (mime-preview-kill-buffer)
7652 (delete-other-windows)
7653 (gnus-article-show-summary)
7654 (gnus-summary-select-article gnus-show-all-headers t))
7656 (set-alist 'mime-preview-quitting-method-alist
7657 'gnus-original-article-mode #'gnus-mime-preview-quitting-method)
7659 (set-alist 'mime-preview-following-method-alist
7660 'gnus-original-article-mode #'gnus-following-method)
7662 (set-alist 'mime-preview-over-to-previous-method-alist
7663 'gnus-original-article-mode
7665 (if (> (point-min) 1)
7666 (gnus-article-prev-page)
7667 (gnus-article-read-summary-keys
7668 nil (gnus-character-to-event ?P)))))
7670 (set-alist 'mime-preview-over-to-next-method-alist
7671 'gnus-original-article-mode'
7673 (if (< (point-max) (buffer-size))
7674 (gnus-article-next-page)
7675 (gnus-article-read-summary-keys
7676 nil (gnus-character-to-event ?N)))))
7686 (run-hooks 'gnus-art-load-hook)
7688 ;;; gnus-art.el ends here