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, %d %b %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 function)
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
1700 (let ((inhibit-read-only t)
1701 (case-fold-search t)
1702 (max (1+ (length gnus-sorted-header-list)))
1703 (inhibit-point-motion-hooks t)
1704 (cur (current-buffer))
1705 ignored visible beg)
1707 ;; `gnus-ignored-headers' and `gnus-visible-headers' may be
1708 ;; group parameters, so we should go to the summary buffer.
1711 (progn (set-buffer gnus-summary-buffer) t)
1713 (setq ignored (when (not gnus-visible-headers)
1714 (cond ((stringp gnus-ignored-headers)
1715 gnus-ignored-headers)
1716 ((listp gnus-ignored-headers)
1717 (mapconcat 'identity
1718 gnus-ignored-headers
1720 visible (cond ((stringp gnus-visible-headers)
1721 gnus-visible-headers)
1722 ((and gnus-visible-headers
1723 (listp gnus-visible-headers))
1724 (mapconcat 'identity
1725 gnus-visible-headers
1729 ;; First we narrow to just the headers.
1730 (article-narrow-to-head)
1731 ;; Hide any "From " lines at the beginning of (mail) articles.
1732 (while (looking-at "From ")
1736 (delete-region (point-min) (point))
1737 (gnus-article-hide-text (point-min) (point)
1738 (nconc (list 'article-type 'headers)
1739 gnus-hidden-properties))))
1740 ;; Then treat the rest of the header lines.
1741 ;; Then we use the two regular expressions
1742 ;; `gnus-ignored-headers' and `gnus-visible-headers' to
1743 ;; select which header lines is to remain visible in the
1745 (while (re-search-forward "^[^ \t:]*:" nil t)
1747 ;; Mark the rank of the header.
1749 (point) (1+ (point)) 'message-rank
1750 (if (or (and visible (looking-at visible))
1752 (not (looking-at ignored))))
1753 (gnus-article-header-rank)
1756 (message-sort-headers-1)
1757 (when (setq beg (text-property-any
1758 (point-min) (point-max) 'message-rank (+ 2 max)))
1759 ;; We delete or make invisible the unwanted headers.
1760 (gnus-add-wash-type 'headers)
1763 (add-text-properties
1764 (point-min) (+ 5 (point-min))
1765 '(article-type headers dummy-invisible t))
1766 (delete-region beg (point-max)))
1767 (gnus-article-hide-text-type beg (point-max) 'headers)))))))))
1769 (defun article-hide-boring-headers (&optional arg)
1770 "Toggle hiding of headers that aren't very interesting.
1771 If given a negative prefix, always show; if given a positive prefix,
1773 (interactive (gnus-article-hidden-arg))
1774 (when (and (not (gnus-article-check-hidden-text 'boring-headers arg))
1775 (not gnus-show-all-headers))
1778 (let ((buffer-read-only nil)
1779 (list gnus-boring-article-headers)
1780 (inhibit-point-motion-hooks t)
1782 (article-narrow-to-head)
1784 (setq elem (pop list))
1785 (goto-char (point-min))
1787 ;; Hide empty headers.
1789 (while (re-search-forward "^[^: \t]+:[ \t]*\n[^ \t]" nil t)
1791 (gnus-article-hide-text-type
1795 (if (re-search-forward "^[^ \t]" nil t)
1799 ;; Hide boring Newsgroups header.
1800 ((eq elem 'newsgroups)
1801 (when (gnus-string-equal
1802 (gnus-fetch-field "newsgroups")
1803 (gnus-group-real-name
1804 (if (boundp 'gnus-newsgroup-name)
1807 (gnus-article-hide-header "newsgroups")))
1808 ((eq elem 'to-address)
1809 (let ((to (message-fetch-field "to"))
1811 (gnus-parameter-to-address
1812 (if (boundp 'gnus-newsgroup-name)
1813 gnus-newsgroup-name ""))))
1814 (when (and to to-address
1817 ;; only one address in To
1818 (nth 1 (mail-extract-address-components to))
1820 (gnus-article-hide-header "to"))))
1822 (let ((to (message-fetch-field "to"))
1824 (gnus-parameter-to-list
1825 (if (boundp 'gnus-newsgroup-name)
1826 gnus-newsgroup-name ""))))
1827 (when (and to to-list
1830 ;; only one address in To
1831 (nth 1 (mail-extract-address-components to))
1833 (gnus-article-hide-header "to"))))
1835 (let ((cc (message-fetch-field "cc"))
1837 (gnus-parameter-to-list
1838 (if (boundp 'gnus-newsgroup-name)
1839 gnus-newsgroup-name ""))))
1840 (when (and cc to-list
1843 ;; only one address in CC
1844 (nth 1 (mail-extract-address-components cc))
1846 (gnus-article-hide-header "cc"))))
1847 ((eq elem 'followup-to)
1848 (when (gnus-string-equal
1849 (message-fetch-field "followup-to")
1850 (message-fetch-field "newsgroups"))
1851 (gnus-article-hide-header "followup-to")))
1852 ((eq elem 'reply-to)
1853 (if (gnus-group-find-parameter
1854 gnus-newsgroup-name 'broken-reply-to)
1855 (gnus-article-hide-header "reply-to")
1856 (let ((from (message-fetch-field "from"))
1857 (reply-to (message-fetch-field "reply-to")))
1864 (lambda (x) (downcase (cadr x)))
1865 (mail-extract-address-components from t))
1868 (lambda (x) (downcase (cadr x)))
1869 (mail-extract-address-components reply-to t))
1871 (gnus-article-hide-header "reply-to")))))
1873 (let ((date (message-fetch-field "date")))
1875 (< (days-between (current-time-string) date)
1877 (gnus-article-hide-header "date"))))
1879 (let ((to (message-fetch-field "to"))
1880 (cc (message-fetch-field "cc")))
1881 (when (> (length to) 1024)
1882 (gnus-article-hide-header "to"))
1883 (when (> (length cc) 1024)
1884 (gnus-article-hide-header "cc"))))
1888 (goto-char (point-min))
1889 (while (re-search-forward "^to:" nil t)
1890 (setq to-count (1+ to-count)))
1891 (when (> to-count 1)
1892 (while (> to-count 0)
1893 (goto-char (point-min))
1895 (re-search-forward "^to:" nil nil to-count)
1897 (narrow-to-region (point) (point-max))
1898 (gnus-article-hide-header "to"))
1899 (setq to-count (1- to-count))))
1900 (goto-char (point-min))
1901 (while (re-search-forward "^cc:" nil t)
1902 (setq cc-count (1+ cc-count)))
1903 (when (> cc-count 1)
1904 (while (> cc-count 0)
1905 (goto-char (point-min))
1907 (re-search-forward "^cc:" nil nil cc-count)
1909 (narrow-to-region (point) (point-max))
1910 (gnus-article-hide-header "cc"))
1911 (setq cc-count (1- cc-count)))))))))))))
1913 (defun gnus-article-hide-header (header)
1915 (goto-char (point-min))
1916 (when (re-search-forward (concat "^" header ":") nil t)
1917 (gnus-article-hide-text-type
1921 (if (re-search-forward "^[^ \t]" nil t)
1926 (defvar gnus-article-normalized-header-length 40
1927 "Length of normalized headers.")
1929 (defun article-normalize-headers ()
1930 "Make all header lines 40 characters long."
1932 (let ((buffer-read-only nil)
1936 (article-narrow-to-head)
1939 ((< (setq column (- (point-at-eol) (point)))
1940 gnus-article-normalized-header-length)
1942 (insert (make-string
1943 (- gnus-article-normalized-header-length column)
1945 ((> column gnus-article-normalized-header-length)
1946 (gnus-put-text-property
1948 (forward-char gnus-article-normalized-header-length)
1955 (forward-line 1))))))
1957 (defun article-treat-dumbquotes ()
1958 "Translate M****s*** sm*rtq**t*s and other symbols into proper text.
1959 Note that this function guesses whether a character is a sm*rtq**t* or
1960 not, so it should only be used interactively.
1962 Sm*rtq**t*s are M****s***'s unilateral extension to the
1963 iso-8859-1 character map in an attempt to provide more quoting
1964 characters. If you see something like \\222 or \\264 where
1965 you're expecting some kind of apostrophe or quotation mark, then
1968 (article-translate-strings gnus-article-dumbquotes-map))
1970 (defun article-translate-characters (from to)
1971 "Translate all characters in the body of the article according to FROM and TO.
1972 FROM is a string of characters to translate from; to is a string of
1973 characters to translate to."
1975 (when (article-goto-body)
1976 (let ((buffer-read-only nil)
1977 (x (make-string 225 ?x))
1979 (while (< (incf i) (length x))
1982 (while (< i (length from))
1983 (aset x (aref from i) (aref to i))
1985 (translate-region (point) (point-max) x)))))
1987 (defun article-translate-strings (map)
1988 "Translate all string in the body of the article according to MAP.
1989 MAP is an alist where the elements are on the form (\"from\" \"to\")."
1991 (when (article-goto-body)
1992 (let ((buffer-read-only nil)
1994 (while (setq elem (pop map))
1996 (while (search-forward (car elem) nil t)
1997 (replace-match (cadr elem)))))))))
1999 (defun article-treat-overstrike ()
2000 "Translate overstrikes into bold text."
2003 (when (article-goto-body)
2004 (let ((buffer-read-only nil))
2005 (while (search-forward "\b" nil t)
2006 (let ((next (char-after))
2010 previous (char-after))
2014 ;; We do the boldification/underlining by hiding the
2015 ;; overstrikes and putting the proper text property
2019 (gnus-article-hide-text-type start (point) 'overstrike)
2020 (put-text-property (point) end 'face 'bold))
2022 (gnus-article-hide-text-type
2023 (1- (point)) (1+ (point)) 'overstrike)
2025 start (1- (point)) 'face 'underline))
2027 (gnus-article-hide-text-type start (point) 'overstrike)
2029 (point) end 'face 'underline)))))))))
2031 (defun article-treat-ansi-sequences ()
2032 "Translate ANSI SGR control sequences into overlays or extents."
2035 (when (article-goto-body)
2036 (let ((buffer-read-only nil))
2037 (ansi-color-apply-on-region (point) (point-max))))))
2039 (defun gnus-article-treat-unfold-headers ()
2040 "Unfold folded message headers.
2041 Only the headers that fit into the current window width will be
2044 (gnus-with-article-headers
2048 (mail-header-narrow-to-field)
2049 (let ((header (buffer-string)))
2052 (goto-char (point-min))
2053 (while (re-search-forward "\n[\t ]" nil t)
2054 (replace-match " " t t)))
2055 (setq length (- (point-max) (point-min) 1)))
2056 (when (< length (window-width))
2057 (while (re-search-forward "\n[\t ]" nil t)
2058 (replace-match " " t t)))
2059 (goto-char (point-max)))))))
2061 (defun gnus-article-treat-fold-headers ()
2062 "Fold message headers."
2064 (gnus-with-article-headers
2067 (mail-header-narrow-to-field)
2068 (mail-header-fold-field)
2069 (goto-char (point-max))))))
2071 (defun gnus-treat-smiley ()
2072 "Toggle display of textual emoticons (\"smileys\") as small graphical icons."
2074 (unless (featurep 'xemacs)
2075 (when (and (not gnus-article-should-use-smiley-mule)
2076 gnus-article-smiley-mule-loaded-p)
2077 (load "smiley" nil t)
2078 (setq gnus-article-smiley-mule-loaded-p nil))
2079 (when (and gnus-article-should-use-smiley-mule
2080 (not gnus-article-smiley-mule-loaded-p))
2081 (load "smiley-mule" nil t)
2082 (setq gnus-article-smiley-mule-loaded-p t)))
2083 (gnus-with-article-buffer
2084 (if (memq 'smiley gnus-article-wash-types)
2085 (gnus-delete-images 'smiley)
2087 (let ((images (smiley-region (point) (point-max))))
2089 (gnus-add-wash-type 'smiley)
2090 (dolist (image images)
2091 (gnus-add-image 'smiley image)))))))
2093 (defun gnus-article-remove-images ()
2094 "Remove all images from the article buffer."
2096 (gnus-with-article-buffer
2097 (dolist (elem gnus-article-image-alist)
2098 (gnus-delete-images (car elem)))))
2100 (defun gnus-article-treat-fold-newsgroups ()
2101 "Unfold folded message headers.
2102 Only the headers that fit into the current window width will be
2105 (gnus-with-article-headers
2106 (while (gnus-article-goto-header "newsgroups\\|followup-to")
2108 (mail-header-narrow-to-field)
2109 (while (re-search-forward ", *" nil t)
2110 (replace-match ", " t t))
2111 (mail-header-fold-field)
2112 (goto-char (point-max))))))
2114 (defun gnus-article-treat-body-boundary ()
2115 "Place a boundary line at the end of the headers."
2117 (when (and gnus-body-boundary-delimiter
2118 (> (length gnus-body-boundary-delimiter) 0))
2119 (gnus-with-article-headers
2120 (goto-char (point-max))
2121 (let ((start (point)))
2122 (insert "X-Boundary: ")
2123 (gnus-add-text-properties start (point) '(invisible t intangible t))
2125 (while (>= (1- (window-width)) (length str))
2126 (setq str (concat str gnus-body-boundary-delimiter)))
2127 (substring str 0 (1- (window-width))))
2129 (gnus-put-text-property start (point) 'gnus-decoration 'header)))))
2131 (defun article-fill-long-lines ()
2132 "Fill lines that are wider than the window width."
2135 (let ((buffer-read-only nil)
2136 (width (window-width (get-buffer-window (current-buffer)))))
2139 (let ((adaptive-fill-mode nil)) ;Why? -sm
2142 (when (>= (current-column) (min fill-column width))
2143 (narrow-to-region (min (1+ (point)) (point-max))
2145 (let ((goback (point-marker)))
2146 (fill-paragraph nil)
2147 (goto-char (marker-position goback)))
2149 (forward-line 1)))))))
2151 (defun article-capitalize-sentences ()
2152 "Capitalize the first word in each sentence."
2155 (let ((buffer-read-only nil)
2156 (paragraph-start "^[\n\^L]"))
2160 (forward-sentence)))))
2162 (defun article-remove-cr ()
2163 "Remove trailing CRs and then translate remaining CRs into LFs."
2166 (let ((buffer-read-only nil))
2167 (goto-char (point-min))
2168 (while (re-search-forward "\r+$" nil t)
2169 (replace-match "" t t))
2170 (goto-char (point-min))
2171 (while (search-forward "\r" nil t)
2172 (replace-match "\n" t t)))))
2174 (defun article-remove-trailing-blank-lines ()
2175 "Remove all trailing blank lines from the article."
2178 (let ((buffer-read-only nil))
2179 (goto-char (point-max))
2183 (while (and (not (bobp))
2184 (looking-at "^[ \t]*$")
2185 (not (gnus-annotation-in-region-p
2186 (point) (point-at-eol))))
2192 (defvar gnus-face-properties-alist))
2194 (defun article-display-face ()
2195 "Display any Face headers in the header."
2197 (let ((wash-face-p buffer-read-only))
2198 (gnus-with-article-headers
2199 ;; When displaying parts, this function can be called several times on
2200 ;; the same article, without any intended toggle semantic (as typing `W
2201 ;; D d' would have). So face deletion must occur only when we come from
2202 ;; an interactive command, that is when the *Article* buffer is
2204 (if (and wash-face-p (memq 'face gnus-article-wash-types))
2205 (gnus-delete-images 'face)
2208 (when (and wash-face-p
2210 (goto-char (point-min))
2211 (not (re-search-forward "^Face:[\t ]*" nil t)))
2212 (gnus-buffer-live-p gnus-original-article-buffer))
2213 (set-buffer gnus-original-article-buffer))
2215 (mail-narrow-to-head)
2216 (while (gnus-article-goto-header "Face")
2217 (setq faces (nconc faces (list (mail-header-field-value)))))))
2218 (while (setq face (pop faces))
2219 (let ((png (gnus-convert-face-to-png face))
2223 (apply 'gnus-create-image png 'png t
2224 (cdr (assq 'png gnus-face-properties-alist))))
2225 (gnus-article-goto-header "from")
2227 (insert "From: [no `from' set]\n")
2229 (gnus-add-wash-type 'face)
2230 (gnus-add-image 'face image)
2231 (gnus-put-image image nil 'face))))))
2234 (defun article-display-x-face (&optional force)
2235 "Look for an X-Face header and display it if present."
2236 (interactive (list 'force))
2237 (let ((wash-face-p buffer-read-only)) ;; When type `W f'
2238 (gnus-with-article-headers
2239 ;; Delete the old process, if any.
2240 (when (process-status "article-x-face")
2241 (delete-process "article-x-face"))
2242 ;; See the comment in `article-display-face'.
2243 (if (and wash-face-p (memq 'xface gnus-article-wash-types))
2244 ;; We have already displayed X-Faces, so we remove them
2246 (gnus-delete-images 'xface)
2248 (let (x-faces from face)
2250 (when (and wash-face-p
2252 (goto-char (point-min))
2253 (not (re-search-forward
2254 "^X-Face\\(-[0-9]+\\)?:[\t ]*" nil t)))
2255 (gnus-buffer-live-p gnus-original-article-buffer))
2256 ;; If type `W f', use gnus-original-article-buffer,
2257 ;; otherwise use the current buffer because displaying
2258 ;; RFC822 parts calls this function too.
2259 (set-buffer gnus-original-article-buffer))
2261 (mail-narrow-to-head)
2262 (while (gnus-article-goto-header "X-Face")
2263 (push (mail-header-field-value) x-faces))
2264 (setq from (message-fetch-field "from"))))
2265 ;; Sending multiple EOFs to xv doesn't work, so we only do a
2266 ;; single external face.
2267 (when (stringp gnus-article-x-face-command)
2268 (setq x-faces (list (car x-faces))))
2269 (while (and (setq face (pop x-faces))
2270 gnus-article-x-face-command
2272 ;; Check whether this face is censored.
2273 (not gnus-article-x-face-too-ugly)
2274 (and gnus-article-x-face-too-ugly from
2275 (not (string-match gnus-article-x-face-too-ugly
2277 ;; We display the face.
2278 (cond ((stringp gnus-article-x-face-command)
2279 ;; The command is a string, so we interpret the command
2280 ;; as a, well, command, and fork it off.
2281 (let ((process-connection-type nil))
2282 (process-kill-without-query
2284 "article-x-face" nil shell-file-name
2285 shell-command-switch gnus-article-x-face-command))
2288 (process-send-region "article-x-face"
2289 (point-min) (point-max)))
2290 (process-send-eof "article-x-face")))
2291 ((functionp gnus-article-x-face-command)
2292 ;; The command is a lisp function, so we call it.
2293 (funcall gnus-article-x-face-command face))
2295 (error "%s is not a function"
2296 gnus-article-x-face-command)))))))))
2298 (defun article-decode-mime-words ()
2299 "Decode all MIME-encoded words in the article."
2301 (gnus-with-article-buffer
2302 (let ((inhibit-point-motion-hooks t)
2303 (mail-parse-charset gnus-newsgroup-charset)
2304 (mail-parse-ignored-charsets
2305 (with-current-buffer gnus-summary-buffer
2306 gnus-newsgroup-ignored-charsets)))
2307 (mail-decode-encoded-word-region (point-min) (point-max)))))
2309 (defun article-decode-charset (&optional prompt)
2310 "Decode charset-encoded text in the article.
2311 If PROMPT (the prefix), prompt for a coding system to use."
2313 (let ((inhibit-point-motion-hooks t) (case-fold-search t)
2315 (mail-parse-charset gnus-newsgroup-charset)
2316 (mail-parse-ignored-charsets
2317 (save-excursion (condition-case nil
2318 (set-buffer gnus-summary-buffer)
2320 gnus-newsgroup-ignored-charsets))
2321 ct cte ctl charset format)
2324 (article-narrow-to-head)
2325 (setq ct (message-fetch-field "Content-Type" t)
2326 cte (message-fetch-field "Content-Transfer-Encoding" t)
2327 ctl (and ct (ignore-errors
2328 (mail-header-parse-content-type ct)))
2331 (mm-read-coding-system "Charset to decode: "))
2333 (mail-content-type-get ctl 'charset)))
2334 format (and ctl (mail-content-type-get ctl 'format)))
2336 (setq cte (mail-header-strip cte)))
2337 (if (and ctl (not (string-match "/" (car ctl))))
2339 (goto-char (point-max)))
2342 (narrow-to-region (point) (point-max))
2343 (when (and (eq mail-parse-charset 'gnus-decoded)
2344 (eq (mm-body-7-or-8) '8bit))
2345 ;; The text code could have been decoded.
2346 (setq charset mail-parse-charset))
2347 (when (and (or (not ctl)
2348 (equal (car ctl) "text/plain"))
2349 (not format)) ;; article with format will decode later.
2351 charset (and cte (intern (downcase
2352 (gnus-strip-whitespace cte))))
2355 (defun article-decode-encoded-words ()
2356 "Remove encoded-word encoding from headers."
2357 (let (buffer-read-only)
2358 (let ((charset (save-excursion
2359 (set-buffer gnus-summary-buffer)
2360 default-mime-charset)))
2361 (mime-decode-header-in-buffer charset))))
2363 (defun article-decode-group-name ()
2364 "Decode group names in `Newsgroups:'."
2365 (let ((inhibit-point-motion-hooks t)
2367 (method (gnus-find-method-for-group gnus-newsgroup-name)))
2368 (when (and (or gnus-group-name-charset-method-alist
2369 gnus-group-name-charset-group-alist)
2370 (gnus-buffer-live-p gnus-original-article-buffer))
2372 (article-narrow-to-head)
2373 (with-current-buffer gnus-original-article-buffer
2374 (goto-char (point-min)))
2375 (while (re-search-forward
2376 "^Newsgroups:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]" nil t)
2377 (replace-match (save-match-data
2378 (gnus-decode-newsgroups
2379 ;; XXX how to use data in article buffer?
2380 (with-current-buffer gnus-original-article-buffer
2382 "^Newsgroups:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]"
2385 gnus-newsgroup-name method))
2387 (goto-char (point-min))
2388 (with-current-buffer gnus-original-article-buffer
2389 (goto-char (point-min)))
2390 (while (re-search-forward
2391 "^Followup-To:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]" nil t)
2392 (replace-match (save-match-data
2393 (gnus-decode-newsgroups
2394 ;; XXX how to use data in article buffer?
2395 (with-current-buffer gnus-original-article-buffer
2397 "^Followup-To:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]"
2400 gnus-newsgroup-name method))
2403 (autoload 'idna-to-unicode "idna")
2405 (defun article-decode-idna-rhs ()
2406 "Decode IDNA strings in RHS in From:, To: and Cc: headers in current buffer."
2409 (let ((inhibit-point-motion-hooks t)
2411 (article-narrow-to-head)
2412 (goto-char (point-min))
2413 (while (re-search-forward "@.*\\(xn--[-A-Za-z0-9.]*\\)[ \t\n\r,>]" nil t)
2415 (when (save-match-data
2416 (and (setq ace (match-string 1))
2418 (and (re-search-backward "^[^ \t]" nil t)
2419 (looking-at "From\\|To\\|Cc")))
2420 (setq unicode (idna-to-unicode ace))))
2421 (unless (string= ace unicode)
2422 (replace-match unicode nil nil nil 1)))))))))
2424 (defun article-de-quoted-unreadable (&optional force read-charset)
2425 "Translate a quoted-printable-encoded article.
2426 If FORCE, decode the article whether it is marked as quoted-printable
2428 If READ-CHARSET, ask for a coding system."
2429 (interactive (list 'force current-prefix-arg))
2431 (let ((buffer-read-only nil) type charset)
2432 (if (gnus-buffer-live-p gnus-original-article-buffer)
2433 (with-current-buffer gnus-original-article-buffer
2435 (gnus-fetch-field "content-transfer-encoding"))
2436 (let* ((ct (gnus-fetch-field "content-type"))
2439 (mail-header-parse-content-type ct)))))
2440 (setq charset (and ctl
2441 (mail-content-type-get ctl 'charset)))
2442 (if (stringp charset)
2443 (setq charset (intern (downcase charset)))))))
2445 (setq charset (mm-read-coding-system "Charset: " charset)))
2447 (setq charset gnus-newsgroup-charset))
2449 (and type (let ((case-fold-search t))
2450 (string-match "quoted-printable" type))))
2452 (quoted-printable-decode-region
2453 (point) (point-max) (mm-charset-to-coding-system charset))))))
2455 (defun article-de-base64-unreadable (&optional force read-charset)
2456 "Translate a base64 article.
2457 If FORCE, decode the article whether it is marked as base64 not.
2458 If READ-CHARSET, ask for a coding system."
2459 (interactive (list 'force current-prefix-arg))
2461 (let ((buffer-read-only nil) type charset)
2462 (if (gnus-buffer-live-p gnus-original-article-buffer)
2463 (with-current-buffer gnus-original-article-buffer
2465 (gnus-fetch-field "content-transfer-encoding"))
2466 (let* ((ct (gnus-fetch-field "content-type"))
2469 (mail-header-parse-content-type ct)))))
2470 (setq charset (and ctl
2471 (mail-content-type-get ctl 'charset)))
2472 (if (stringp charset)
2473 (setq charset (intern (downcase charset)))))))
2475 (setq charset (mm-read-coding-system "Charset: " charset)))
2477 (setq charset gnus-newsgroup-charset))
2479 (and type (let ((case-fold-search t))
2480 (string-match "base64" type))))
2483 (narrow-to-region (point) (point-max))
2484 (base64-decode-region (point-min) (point-max))
2485 (mm-decode-coding-region
2486 (point-min) (point-max) (mm-charset-to-coding-system charset)))))))
2491 (defun article-decode-HZ ()
2492 "Translate a HZ-encoded article."
2496 (let ((buffer-read-only nil))
2497 (rfc1843-decode-region (point-min) (point-max)))))
2499 (defun article-unsplit-urls ()
2500 "Remove the newlines that some other mailers insert into URLs."
2503 (let ((buffer-read-only nil))
2504 (goto-char (point-min))
2505 (while (re-search-forward
2506 "^\\(\\(https?\\|ftp\\)://\\S-+\\) *\n\\(\\S-+\\)" nil t)
2507 (replace-match "\\1\\3" t)))
2508 (when (interactive-p)
2509 (gnus-treat-article nil))))
2512 (defun article-wash-html (&optional read-charset)
2513 "Format an HTML article.
2514 If READ-CHARSET, ask for a coding system."
2517 (let ((buffer-read-only nil)
2519 (when (gnus-buffer-live-p gnus-original-article-buffer)
2520 (with-current-buffer gnus-original-article-buffer
2521 (let* ((ct (gnus-fetch-field "content-type"))
2524 (mail-header-parse-content-type ct)))))
2525 (setq charset (and ctl
2526 (mail-content-type-get ctl 'charset)))
2527 (when (stringp charset)
2528 (setq charset (intern (downcase charset)))))))
2530 (setq charset (mm-read-coding-system "Charset: " charset)))
2532 (setq charset gnus-newsgroup-charset))
2534 (save-window-excursion
2536 (narrow-to-region (point) (point-max))
2537 (let* ((func (or gnus-article-wash-function mm-text-html-renderer))
2538 (entry (assq func mm-text-html-washer-alist)))
2540 (setq func (cdr entry)))
2545 (apply (car func) (cdr func))))))))))
2547 (defun gnus-article-wash-html-with-w3 ()
2548 "Wash the current buffer with w3."
2550 (let ((w3-strict-width (window-width))
2551 (url-standalone-mode t)
2552 (url-gateway-unplugged t)
2553 (w3-honor-stylesheets nil))
2555 (w3-region (point-min) (point-max))
2558 (defun gnus-article-wash-html-with-w3m ()
2559 "Wash the current buffer with emacs-w3m."
2562 (narrow-to-region (point) (point-max))
2563 (let ((w3m-safe-url-regexp mm-w3m-safe-url-regexp)
2564 w3m-force-redisplay)
2565 (w3m-region (point-min) (point-max)))
2566 (when (and mm-inline-text-html-with-w3m-keymap
2567 (boundp 'w3m-minor-mode-map)
2569 (add-text-properties
2570 (point-min) (point-max)
2571 (list 'keymap w3m-minor-mode-map
2572 ;; Put the mark meaning this part was rendered by emacs-w3m.
2573 'mm-inline-text-html-with-w3m t)))))
2575 (defun article-hide-list-identifiers ()
2576 "Remove list identifies from the Subject header.
2577 The `gnus-list-identifiers' variable specifies what to do."
2579 (let ((inhibit-point-motion-hooks t)
2580 (regexp (if (consp gnus-list-identifiers)
2581 (mapconcat 'identity gnus-list-identifiers " *\\|")
2582 gnus-list-identifiers))
2587 (article-narrow-to-head)
2588 (goto-char (point-min))
2589 (while (re-search-forward
2590 (concat "^Subject: +\\(R[Ee]: +\\)*\\(" regexp " *\\)")
2592 (delete-region (match-beginning 2) (match-end 0))
2593 (beginning-of-line))
2594 (when (re-search-forward
2595 "^Subject: +\\(\\(R[Ee]: +\\)+\\)R[Ee]: +" nil t)
2596 (delete-region (match-beginning 1) (match-end 1))))))))
2598 (defun article-hide-pem (&optional arg)
2599 "Toggle hiding of any PEM headers and signatures in the current article.
2600 If given a negative prefix, always show; if given a positive prefix,
2602 (interactive (gnus-article-hidden-arg))
2603 (unless (gnus-article-check-hidden-text 'pem arg)
2605 (let (buffer-read-only end)
2606 (goto-char (point-min))
2607 ;; Hide the horrendously ugly "header".
2608 (when (and (search-forward
2609 "\n-----BEGIN PRIVACY-ENHANCED MESSAGE-----\n"
2611 (setq end (1+ (match-beginning 0))))
2612 (gnus-add-wash-type 'pem)
2613 (gnus-article-hide-text-type
2615 (if (search-forward "\n\n" nil t)
2619 ;; Hide the trailer as well
2620 (when (search-forward "\n-----END PRIVACY-ENHANCED MESSAGE-----\n"
2622 (gnus-article-hide-text-type
2623 (match-beginning 0) (match-end 0) 'pem)))))))
2625 (defun article-strip-banner ()
2626 "Strip the banners specified by the `banner' group parameter and by
2627 `gnus-article-address-banner-alist'."
2631 (let ((inhibit-point-motion-hooks t))
2632 (when (gnus-parameter-banner gnus-newsgroup-name)
2633 (article-really-strip-banner
2634 (gnus-parameter-banner gnus-newsgroup-name)))
2635 (when gnus-article-address-banner-alist
2636 ;; It is necessary to encode from fields before checking,
2637 ;; because `mail-header-parse-addresses' does not work
2638 ;; (reliably) on decoded headers. And more, it is
2639 ;; impossible to use `gnus-fetch-original-field' here,
2640 ;; because `article-strip-banner' may be called in draft
2641 ;; buffers to preview them.
2642 (let ((from (save-restriction
2644 (article-narrow-to-head)
2645 (mail-fetch-field "from"))))
2648 (caar (mail-header-parse-addresses
2649 (mail-encode-encoded-word-string from)))))
2651 (dolist (pair gnus-article-address-banner-alist)
2652 (when (string-match (car pair) from)
2654 (article-really-strip-banner (cdr pair)))))))))))))
2656 (defun article-really-strip-banner (banner)
2657 "Strip the banner specified by the argument."
2660 (let ((inhibit-point-motion-hooks t)
2661 (gnus-signature-limit nil)
2665 ((eq banner 'signature)
2666 (when (gnus-article-narrow-to-signature)
2669 (delete-region (point) (point-max))))
2671 (if (setq banner (cdr (assq banner gnus-article-banner-alist)))
2672 (while (re-search-forward banner nil t)
2673 (delete-region (match-beginning 0) (match-end 0)))))
2675 (while (re-search-forward banner nil t)
2676 (delete-region (match-beginning 0) (match-end 0)))))))))
2678 (defun article-babel ()
2679 "Translate article using an online translation service."
2682 (gnus-with-article-buffer
2683 (when (article-goto-body)
2684 (let* ((start (point))
2686 (orig (buffer-substring start end))
2687 (trans (babel-as-string orig)))
2689 (narrow-to-region start end)
2690 (delete-region start end)
2693 (defun article-hide-signature (&optional arg)
2694 "Hide the signature in the current article.
2695 If given a negative prefix, always show; if given a positive prefix,
2697 (interactive (gnus-article-hidden-arg))
2703 (article-goto-body))
2704 (goto-char (point-min)))
2705 (unless (gnus-article-check-hidden-text 'signature arg)
2706 (let ((buffer-read-only nil)
2708 (while (setq button (text-property-any button (point-max)
2710 'gnus-signature-toggle))
2711 (setq button (text-property-not-all button (point-max)
2713 'gnus-signature-toggle))
2714 (when (and button (not (eobp)))
2715 (gnus-article-hide-text-type
2717 (next-single-property-change (1+ button) 'mime-view-entity
2720 (gnus-set-mode-line 'article))
2722 (defun article-strip-headers-in-body ()
2723 "Strip offensive headers from bodies."
2727 (let ((case-fold-search t))
2728 (when (looking-at "x-no-archive:")
2729 (gnus-delete-line)))))
2731 (defun article-strip-leading-blank-lines ()
2732 "Remove all blank lines from the beginning of the article."
2735 (let ((inhibit-point-motion-hooks t)
2737 (when (article-goto-body)
2738 (while (and (not (eobp))
2739 (looking-at "[ \t]*$"))
2740 (gnus-delete-line))))))
2742 (defun article-narrow-to-head ()
2743 "Narrow the buffer to the head of the message.
2744 Point is left at the beginning of the narrowed-to region."
2746 (goto-char (point-min))
2747 (if (search-forward "\n\n" nil 1)
2750 (goto-char (point-min)))
2752 (defun article-goto-body ()
2753 "Place point at the start of the body."
2754 (goto-char (point-min))
2756 ;; This variable is only bound when dealing with separate
2758 (article-goto-body-goes-to-point-min-p
2760 ((search-forward "\n\n" nil t)
2763 (goto-char (point-max))
2766 (defun article-strip-multiple-blank-lines ()
2767 "Replace consecutive blank lines with one empty line."
2770 (let ((inhibit-point-motion-hooks t)
2772 ;; First make all blank lines empty.
2774 (while (re-search-forward "^[ \t]+$" nil t)
2775 (unless (gnus-annotation-in-region-p
2776 (match-beginning 0) (match-end 0))
2777 (replace-match "" nil t)))
2778 ;; Then replace multiple empty lines with a single empty line.
2780 (while (re-search-forward "\n\n\\(\n+\\)" nil t)
2781 (unless (gnus-annotation-in-region-p
2782 (match-beginning 0) (match-end 0))
2783 (delete-region (match-beginning 1) (match-end 1)))))))
2785 (defun article-strip-leading-space ()
2786 "Remove all white space from the beginning 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-trailing-space ()
2796 "Remove all white space from the end of the lines in the article."
2799 (let ((inhibit-point-motion-hooks t)
2802 (while (re-search-forward "[ \t]+$" nil t)
2803 (replace-match "" t t)))))
2805 (defun article-strip-blank-lines ()
2806 "Strip leading, trailing and multiple blank lines."
2808 (article-strip-leading-blank-lines)
2809 (article-remove-trailing-blank-lines)
2810 (article-strip-multiple-blank-lines))
2812 (defun article-strip-all-blank-lines ()
2813 "Strip all blank lines."
2816 (let ((inhibit-point-motion-hooks t)
2819 (while (re-search-forward "^[ \t]*\n" nil t)
2820 (replace-match "" t t)))))
2822 (defun gnus-article-narrow-to-signature ()
2823 "Narrow to the signature; return t if a signature is found, else nil."
2824 (let ((inhibit-point-motion-hooks t))
2825 (when (gnus-article-search-signature)
2827 ;; Check whether we have some limits to what we consider
2828 ;; to be a signature.
2829 (let ((limits (if (listp gnus-signature-limit) gnus-signature-limit
2830 (list gnus-signature-limit)))
2832 (while (setq limit (pop limits))
2833 (if (or (and (integerp limit)
2834 (< (- (point-max) (point)) limit))
2836 (< (count-lines (point) (point-max)) limit))
2837 (and (functionp limit)
2839 (and (stringp limit)
2840 (not (re-search-forward limit nil t))))
2841 () ; This limit did not succeed.
2845 (narrow-to-region (point) (point-max))
2848 (defun gnus-article-search-signature ()
2849 "Search the current buffer for the signature separator.
2850 Put point at the beginning of the signature separator."
2851 (let ((cur (point)))
2852 (goto-char (point-max))
2853 (if (if (stringp gnus-signature-separator)
2854 (re-search-backward gnus-signature-separator nil t)
2855 (let ((seps gnus-signature-separator))
2857 (not (re-search-backward (car seps) nil t)))
2864 (defun gnus-article-hidden-arg ()
2865 "Return the current prefix arg as a number, or 0 if no prefix."
2866 (list (if current-prefix-arg
2867 (prefix-numeric-value current-prefix-arg)
2870 (defun gnus-article-check-hidden-text (type arg)
2871 "Return nil if hiding is necessary.
2872 Arg can be nil or a number. nil and positive means hide, negative
2873 means show, 0 means toggle."
2876 (let ((hide (gnus-article-hidden-text-p type)))
2882 (gnus-article-show-hidden-text type)
2885 (if (eq hide 'hidden)
2887 (gnus-article-show-hidden-text type)
2891 (defun gnus-article-hidden-text-p (type)
2892 "Say whether the current buffer contains hidden text of type TYPE."
2893 (let ((pos (text-property-any (point-min) (point-max) 'article-type type)))
2895 (not (get-text-property pos 'invisible))
2896 (not (get-text-property pos 'dummy-invisible)))
2898 (text-property-any (1+ pos) (point-max) 'article-type type)))
2903 (defun gnus-article-show-hidden-text (type &optional dummy)
2904 "Show all hidden text of type TYPE.
2905 Originally it is hide instead of DUMMY."
2906 (let ((buffer-read-only nil)
2907 (inhibit-point-motion-hooks t))
2908 (gnus-remove-text-properties-when
2910 (point-min) (point-max)
2911 (cons 'article-type (cons type
2912 gnus-hidden-properties)))
2913 (gnus-delete-wash-type type)))
2915 (defconst article-time-units
2916 `((year . ,(* 365.25 24 60 60))
2917 (week . ,(* 7 24 60 60))
2918 (day . ,(* 24 60 60))
2922 "Mapping from time units to seconds.")
2924 (defun gnus-article-forward-header ()
2925 "Move point to the start of the next header.
2926 If the current header is a continuation header, this can be several
2931 (if (looking-at "[ \t]+[^ \t]")
2935 (defun article-date-ut (&optional type highlight header)
2936 "Convert DATE date to universal time in the current article.
2937 If TYPE is `local', convert to local time; if it is `lapsed', output
2938 how much time has lapsed since DATE. For `lapsed', the value of
2939 `gnus-article-date-lapsed-new-header' says whether the \"X-Sent:\" header
2940 should replace the \"Date:\" one, or should be added below it."
2941 (interactive (list 'ut t))
2942 (let* ((header (or header
2943 (and (eq 1 (point-min))
2944 (mail-header-date (save-excursion
2945 (set-buffer gnus-summary-buffer)
2946 gnus-current-headers)))
2947 (message-fetch-field "date")
2949 (date (if (vectorp header) (mail-header-date header)
2951 (inhibit-point-motion-hooks t)
2952 bface eface date-pos)
2953 (when (and date (not (string= date "")))
2956 (article-narrow-to-head)
2957 (when (or (and (eq type 'lapsed)
2958 gnus-article-date-lapsed-new-header
2959 ;; Attempt to get the face of X-Sent first.
2960 (re-search-forward "^X-Sent:[ \t]" nil t))
2961 (re-search-forward "^Date:[ \t]" nil t)
2962 ;; If Date is missing, try again for X-Sent.
2963 (re-search-forward "^X-Sent:[ \t]" nil t))
2964 (setq bface (get-text-property (point-at-bol) 'face)
2965 date (or (get-text-property (point-at-bol)
2968 eface (get-text-property (1- (point-at-eol))
2970 (let ((buffer-read-only nil))
2971 ;; Delete any old X-Sent headers.
2972 (when (setq date-pos
2973 (text-property-any (point-min) (point-max)
2974 'article-date-lapsed t))
2975 (goto-char (setq date-pos (set-marker (make-marker) date-pos)))
2976 (delete-region (match-beginning 0)
2977 (progn (forward-line 1) (point))))
2978 (goto-char (point-min))
2979 ;; Delete any old Date headers.
2980 (while (re-search-forward "^Date:[ \t]" nil t)
2982 (setq date-pos (match-beginning 0)))
2983 (unless (and (eq type 'lapsed)
2984 gnus-article-date-lapsed-new-header)
2985 (delete-region (match-beginning 0)
2986 (progn (message-next-header) (point)))))
2989 (goto-char date-pos)
2991 ;; Possibly, Date has been deleted.
2993 (when (and (eq type 'lapsed)
2994 gnus-article-date-lapsed-new-header
2995 (looking-at "Date:"))
2997 (goto-char (point-min)))
2998 (insert (article-make-date-line date type))
2999 (when (eq type 'lapsed)
3000 (put-text-property (point-at-bol) (point)
3001 'article-date-lapsed t))
3005 (when (looking-at "\\([^:]+\\): *\\(.*\\)$")
3006 (add-text-properties (match-beginning 1) (1+ (match-end 1))
3007 (list 'original-date date 'face bface))
3008 (put-text-property (match-beginning 2) (match-end 2)
3011 (defun article-make-date-line (date type)
3012 "Return a DATE line of TYPE."
3013 (unless (memq type '(local ut original user iso8601 lapsed english))
3014 (error "Unknown conversion type: %s" type))
3016 (let ((time (date-to-time date)))
3018 ;; Convert to the local timezone.
3020 (concat "Date: " (message-make-date time)))
3021 ;; Convert to Universal Time.
3026 (let* ((e (parse-time-string date))
3027 (tm (apply 'encode-time e))
3029 (ls (- (cadr tm) (car (current-time-zone time)))))
3030 (cond ((< ls 0) (list (1- ms) (+ ls 65536)))
3031 ((> ls 65535) (list (1+ ms) (- ls 65536)))
3035 ;; Get the original date from the article.
3036 ((eq type 'original)
3037 (concat "Date: " (if (string-match "\n+$" date)
3038 (substring date 0 (match-beginning 0))
3040 ;; Let the user define the format.
3042 (let ((format (or (condition-case nil
3043 (with-current-buffer gnus-summary-buffer
3044 gnus-article-time-format)
3046 gnus-article-time-format)))
3047 (if (functionp format)
3048 (funcall format time)
3049 (concat "Date: " (format-time-string format time)))))
3052 (let ((tz (car (current-time-zone time))))
3055 (format-time-string "%Y%m%dT%H%M%S" time)
3056 (format "%s%02d%02d"
3057 (if (> tz 0) "+" "-") (/ (abs tz) 3600)
3058 (/ (% (abs tz) 3600) 60)))))
3059 ;; Do an X-Sent lapsed format.
3061 ;; If the date is seriously mangled, the timezone functions are
3062 ;; liable to bug out, so we ignore all errors.
3063 (let* ((now (current-time))
3064 (real-time (subtract-time now time))
3065 (real-sec (and real-time
3066 (+ (* (float (car real-time)) 65536)
3068 (sec (and real-time (abs real-sec)))
3078 ;; This is a bit convoluted, but basically we go
3079 ;; through the time units for years, weeks, etc,
3080 ;; and divide things to see whether that results
3081 ;; in positive answers.
3084 (if (zerop (setq num (ffloor (/ sec (cdr unit)))))
3085 ;; The (remaining) seconds are too few to
3086 ;; be divided into this time unit.
3088 ;; It's big enough, so we output it.
3089 (setq sec (- sec (* num (cdr unit))))
3091 (concat (if prev ", " "") (int-to-string
3093 " " (symbol-name (car unit))
3094 (if (> num 1) "s" ""))
3096 article-time-units "")
3097 ;; If dates are odd, then it might appear like the
3098 ;; article was sent in the future.
3101 " in the future"))))))
3102 ;; Display the date in proper English
3104 (let ((dtime (decode-time time)))
3107 (number-to-string (nth 3 dtime))
3108 (let ((digit (% (nth 3 dtime) 10)))
3110 ((memq (nth 3 dtime) '(11 12 13)) "th")
3116 (nth (1- (nth 4 dtime)) gnus-english-month-names)
3118 (number-to-string (nth 5 dtime))
3120 (format "%02d" (nth 2 dtime))
3122 (format "%02d" (nth 1 dtime)))))))
3124 (format "Date: %s (from T-gnus)" date))))
3126 (defun article-date-local (&optional highlight)
3127 "Convert the current article date to the local timezone."
3128 (interactive (list t))
3129 (article-date-ut 'local highlight))
3131 (defun article-date-english (&optional highlight)
3132 "Convert the current article date to something that is proper English."
3133 (interactive (list t))
3134 (article-date-ut 'english highlight))
3136 (defun article-date-original (&optional highlight)
3137 "Convert the current article date to what it was originally.
3138 This is only useful if you have used some other date conversion
3139 function and want to see what the date was before converting."
3140 (interactive (list t))
3141 (article-date-ut 'original highlight))
3143 (defun article-date-lapsed (&optional highlight)
3144 "Convert the current article date to time lapsed since it was sent."
3145 (interactive (list t))
3146 (article-date-ut 'lapsed highlight))
3148 (defun article-update-date-lapsed ()
3149 "Function to be run from a timer to update the lapsed time line."
3150 (let (deactivate-mark)
3155 (set-buffer (window-buffer w))
3156 (when (eq major-mode 'gnus-article-mode)
3157 (let ((mark (point-marker)))
3158 (goto-char (point-min))
3159 (when (re-search-forward "^X-Sent:" nil t)
3160 (article-date-lapsed t))
3161 (goto-char (marker-position mark))
3162 (move-marker mark nil))))
3165 (defun gnus-start-date-timer (&optional n)
3166 "Start a timer to update the X-Sent header in the article buffers.
3167 The numerical prefix says how frequently (in seconds) the function
3172 (gnus-stop-date-timer)
3173 (setq article-lapsed-timer
3174 (run-at-time 1 n 'article-update-date-lapsed)))
3176 (defun gnus-stop-date-timer ()
3177 "Stop the X-Sent timer."
3179 (when article-lapsed-timer
3180 (nnheader-cancel-timer article-lapsed-timer)
3181 (setq article-lapsed-timer nil)))
3183 (defun article-date-user (&optional highlight)
3184 "Convert the current article date to the user-defined format.
3185 This format is defined by the `gnus-article-time-format' variable."
3186 (interactive (list t))
3187 (article-date-ut 'user highlight))
3189 (defun article-date-iso8601 (&optional highlight)
3190 "Convert the current article date to ISO8601."
3191 (interactive (list t))
3192 (article-date-ut 'iso8601 highlight))
3194 ;; (defun article-show-all ()
3195 ;; "Show all hidden text in the article buffer."
3199 ;; (let ((buffer-read-only nil))
3200 ;; (gnus-article-unhide-text (point-min) (point-max))
3201 ;; (gnus-remove-text-with-property 'gnus-prev)
3202 ;; (gnus-remove-text-with-property 'gnus-next))))
3204 (defun article-show-all-headers ()
3205 "Show all hidden headers in the article buffer."
3210 (article-narrow-to-head)
3211 (let ((buffer-read-only nil))
3212 (gnus-article-unhide-text (point-min) (point-max))))))
3214 (defun article-remove-leading-whitespace ()
3215 "Remove excessive whitespace from all headers."
3219 (let ((buffer-read-only nil))
3220 (article-narrow-to-head)
3221 (goto-char (point-min))
3222 (while (re-search-forward "^[^ :]+: \\([ \t]+\\)" nil t)
3223 (delete-region (match-beginning 1) (match-end 1)))))))
3225 (defun article-emphasize (&optional arg)
3226 "Emphasize text according to `gnus-emphasis-alist'."
3227 (interactive (gnus-article-hidden-arg))
3228 (unless (gnus-article-check-hidden-text 'emphasis arg)
3232 (with-current-buffer gnus-summary-buffer
3233 gnus-article-emphasis-alist)
3235 gnus-emphasis-alist))
3236 (buffer-read-only nil)
3237 (props (append '(article-type emphasis)
3238 gnus-hidden-properties))
3239 regexp elem beg invisible visible face)
3242 (while (setq elem (pop alist))
3244 (setq regexp (car elem)
3245 invisible (nth 1 elem)
3246 visible (nth 2 elem)
3248 (while (re-search-forward regexp nil t)
3249 (when (and (match-beginning visible) (match-beginning invisible))
3250 (gnus-article-hide-text
3251 (match-beginning invisible) (match-end invisible) props)
3252 (gnus-article-unhide-text-type
3253 (match-beginning visible) (match-end visible) 'emphasis)
3254 (gnus-put-overlay-excluding-newlines
3255 (match-beginning visible) (match-end visible) 'face face)
3256 (gnus-add-wash-type 'emphasis)
3257 (goto-char (match-end invisible)))))))))
3259 (defun gnus-article-setup-highlight-words (&optional highlight-words)
3260 "Setup newsgroup emphasis alist."
3261 (unless gnus-article-emphasis-alist
3262 (let ((name (and gnus-newsgroup-name
3263 (gnus-group-real-name gnus-newsgroup-name))))
3264 (make-local-variable 'gnus-article-emphasis-alist)
3265 (setq gnus-article-emphasis-alist
3267 (let ((alist gnus-group-highlight-words-alist) elem highlight)
3268 (while (setq elem (pop alist))
3269 (when (and name (string-match (car elem) name))
3271 highlight (copy-sequence (cdr elem)))))
3273 (copy-sequence highlight-words)
3274 (if gnus-newsgroup-name
3275 (copy-sequence (gnus-group-find-parameter
3276 gnus-newsgroup-name 'highlight-words t)))
3277 gnus-emphasis-alist)))))
3280 (defvar gnus-summary-article-menu)
3281 (defvar gnus-summary-post-menu))
3283 ;;; Saving functions.
3285 (defun gnus-article-save (save-buffer file &optional num)
3286 "Save the currently selected article."
3287 (unless gnus-save-all-headers
3288 ;; Remove headers according to `gnus-saved-headers'.
3289 (let ((gnus-visible-headers
3290 (or gnus-saved-headers gnus-visible-headers))
3291 (gnus-article-buffer save-buffer))
3293 (set-buffer save-buffer)
3294 (article-hide-headers 1 t))))
3295 (save-window-excursion
3296 (if (not gnus-default-article-saver)
3297 (error "No default saver is defined")
3298 ;; !!! Magic! The saving functions all save
3299 ;; `gnus-save-article-buffer' (or so they think), but we
3300 ;; bind that variable to our save-buffer.
3301 (set-buffer gnus-article-buffer)
3302 (let* ((gnus-save-article-buffer save-buffer)
3305 ((not gnus-prompt-before-saving) 'default)
3306 ((eq gnus-prompt-before-saving 'always) nil)
3308 (gnus-number-of-articles-to-be-saved
3309 (when (eq gnus-prompt-before-saving t)
3311 (set-buffer gnus-article-current-summary)
3312 (funcall gnus-default-article-saver filename)))))
3314 (defun gnus-read-save-file-name (prompt &optional filename
3315 function group headers variable)
3317 (funcall function group headers (symbol-value variable)))
3322 ((eq filename 'default)
3328 (let* ((split-name (gnus-get-split-value gnus-split-methods))
3331 (if (and gnus-number-of-articles-to-be-saved
3332 (> gnus-number-of-articles-to-be-saved 1))
3333 (format "these %d articles"
3334 gnus-number-of-articles-to-be-saved)
3337 ;; Let the split methods have their say.
3339 ;; No split name was found.
3342 (concat prompt " (default "
3343 (file-name-nondirectory default-name) ") ")
3344 (file-name-directory default-name)
3346 ;; A single group name is returned.
3347 ((stringp split-name)
3349 (funcall function split-name headers
3350 (symbol-value variable)))
3352 (concat prompt " (default "
3353 (file-name-nondirectory default-name) ") ")
3354 (file-name-directory default-name)
3356 ;; A single split name was found
3357 ((= 1 (length split-name))
3358 (let* ((name (expand-file-name
3360 gnus-article-save-directory))
3361 (dir (cond ((file-directory-p name)
3362 (file-name-as-directory name))
3363 ((file-exists-p name) name)
3364 (t gnus-article-save-directory))))
3366 (concat prompt " (default " name ") ")
3368 ;; A list of splits was found.
3370 (setq split-name (nreverse split-name))
3372 (let ((file-name-history
3373 (nconc split-name file-name-history)))
3377 (concat prompt " (`M-p' for defaults) ")
3378 gnus-article-save-directory
3380 gnus-article-save-directory)))
3381 (car (push result file-name-history)))))))
3382 ;; Create the directory.
3383 (gnus-make-directory (file-name-directory file))
3384 ;; If we have read a directory, we append the default file name.
3385 (when (file-directory-p file)
3386 (setq file (expand-file-name (file-name-nondirectory
3388 (file-name-as-directory file))))
3389 ;; Possibly translate some characters.
3390 (nnheader-translate-file-chars file))))))
3391 (gnus-make-directory (file-name-directory result))
3392 (set variable result)))
3394 (defun gnus-article-archive-name (group)
3395 "Return the first instance of an \"Archive-name\" in the current buffer."
3396 (let ((case-fold-search t))
3397 (when (re-search-forward "archive-name: *\\([^ \n\t]+\\)[ \t]*$" nil t)
3398 (nnheader-concat gnus-article-save-directory
3399 (match-string 1)))))
3401 (defun gnus-article-nndoc-name (group)
3402 "If GROUP is an nndoc group, return the name of the parent group."
3403 (when (eq (car (gnus-find-method-for-group group)) 'nndoc)
3404 (gnus-group-get-parameter group 'save-article-group)))
3406 (defun gnus-summary-save-in-rmail (&optional filename)
3407 "Append this article to Rmail file.
3408 Optional argument FILENAME specifies file name.
3409 Directory to save to is default to `gnus-article-save-directory'."
3410 (setq filename (gnus-read-save-file-name
3411 "Save %s in rmail file:" filename
3412 gnus-rmail-save-name gnus-newsgroup-name
3413 gnus-current-headers 'gnus-newsgroup-last-rmail))
3414 (gnus-eval-in-buffer-window gnus-save-article-buffer
3418 (gnus-output-to-rmail filename))))
3421 (defun gnus-summary-save-in-mail (&optional filename)
3422 "Append this article to Unix mail file.
3423 Optional argument FILENAME specifies file name.
3424 Directory to save to is default to `gnus-article-save-directory'."
3425 (setq filename (gnus-read-save-file-name
3426 "Save %s in Unix mail file:" filename
3427 gnus-mail-save-name gnus-newsgroup-name
3428 gnus-current-headers 'gnus-newsgroup-last-mail))
3429 (gnus-eval-in-buffer-window gnus-save-article-buffer
3433 (if (and (file-readable-p filename)
3434 (file-regular-p filename)
3435 (mail-file-babyl-p filename))
3436 (rmail-output-to-rmail-file filename t)
3437 (gnus-output-to-mail filename)))))
3440 (defun gnus-summary-save-in-file (&optional filename overwrite)
3441 "Append this article to file.
3442 Optional argument FILENAME specifies file name.
3443 Directory to save to is default to `gnus-article-save-directory'."
3444 (setq filename (gnus-read-save-file-name
3445 "Save %s in file:" filename
3446 gnus-file-save-name gnus-newsgroup-name
3447 gnus-current-headers 'gnus-newsgroup-last-file))
3448 (gnus-eval-in-buffer-window gnus-save-article-buffer
3452 (when (and overwrite
3453 (file-exists-p filename))
3454 (delete-file filename))
3455 (gnus-output-to-file filename))))
3458 (defun gnus-summary-write-to-file (&optional filename)
3459 "Write this article to a file, overwriting it if the file exists.
3460 Optional argument FILENAME specifies file name.
3461 The directory to save in defaults to `gnus-article-save-directory'."
3462 (gnus-summary-save-in-file nil t))
3464 (defun gnus-summary-save-body-in-file (&optional filename)
3465 "Append this article body to a file.
3466 Optional argument FILENAME specifies file name.
3467 The directory to save in defaults to `gnus-article-save-directory'."
3468 (setq filename (gnus-read-save-file-name
3469 "Save %s body in file:" filename
3470 gnus-file-save-name gnus-newsgroup-name
3471 gnus-current-headers 'gnus-newsgroup-last-file))
3472 (gnus-eval-in-buffer-window gnus-save-article-buffer
3476 (when (article-goto-body)
3477 (narrow-to-region (point) (point-max)))
3478 (gnus-output-to-file filename))))
3481 (defun gnus-summary-save-in-pipe (&optional command)
3482 "Pipe this article to subprocess."
3484 (cond ((and (eq command 'default)
3485 gnus-last-shell-command)
3486 gnus-last-shell-command)
3491 "Shell command on %s: "
3492 (if (and gnus-number-of-articles-to-be-saved
3493 (> gnus-number-of-articles-to-be-saved 1))
3494 (format "these %d articles"
3495 gnus-number-of-articles-to-be-saved)
3497 gnus-last-shell-command))))
3498 (when (string-equal command "")
3499 (if gnus-last-shell-command
3500 (setq command gnus-last-shell-command)
3501 (error "A command is required")))
3502 (gnus-eval-in-buffer-window gnus-article-buffer
3505 (shell-command-on-region (point-min) (point-max) command nil)))
3506 (setq gnus-last-shell-command command))
3508 (defun gnus-summary-pipe-to-muttprint (&optional command)
3509 "Pipe this article to muttprint."
3510 (setq command (read-string
3511 "Print using command: " gnus-summary-muttprint-program
3512 nil gnus-summary-muttprint-program))
3513 (gnus-summary-save-in-pipe command))
3515 ;;; Article file names when saving.
3517 (defun gnus-capitalize-newsgroup (newsgroup)
3518 "Capitalize NEWSGROUP name."
3519 (when (not (zerop (length newsgroup)))
3520 (concat (char-to-string (upcase (aref newsgroup 0)))
3521 (substring newsgroup 1))))
3523 (defun gnus-Numeric-save-name (newsgroup headers &optional last-file)
3524 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3525 If variable `gnus-use-long-file-name' is non-nil, it is ~/News/News.group/num.
3526 Otherwise, it is like ~/News/news/group/num."
3529 (concat (if (gnus-use-long-file-name 'not-save)
3530 (gnus-capitalize-newsgroup newsgroup)
3531 (gnus-newsgroup-directory-form newsgroup))
3532 "/" (int-to-string (mail-header-number headers)))
3533 gnus-article-save-directory)))
3535 (string-equal (file-name-directory default)
3536 (file-name-directory last-file))
3537 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
3539 (or last-file default))))
3541 (defun gnus-numeric-save-name (newsgroup headers &optional last-file)
3542 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3543 If variable `gnus-use-long-file-name' is non-nil, it is
3544 ~/News/news.group/num. Otherwise, it is like ~/News/news/group/num."
3547 (concat (if (gnus-use-long-file-name 'not-save)
3549 (gnus-newsgroup-directory-form newsgroup))
3550 "/" (int-to-string (mail-header-number headers)))
3551 gnus-article-save-directory)))
3553 (string-equal (file-name-directory default)
3554 (file-name-directory last-file))
3555 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
3557 (or last-file default))))
3559 (defun gnus-plain-save-name (newsgroup headers &optional last-file)
3560 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3561 If variable `gnus-use-long-file-name' is non-nil, it is
3562 ~/News/news.group. Otherwise, it is like ~/News/news/group/news."
3565 (if (gnus-use-long-file-name 'not-save)
3568 (expand-file-name "news" (gnus-newsgroup-directory-form newsgroup))
3570 gnus-article-save-directory)))
3572 (defun gnus-sender-save-name (newsgroup headers &optional last-file)
3573 "Generate file name from sender."
3574 (let ((from (mail-header-from headers)))
3576 (if (and from (string-match "\\([^ <]+\\)@" from))
3577 (match-string 1 from)
3579 gnus-article-save-directory)))
3581 (defun article-verify-x-pgp-sig ()
3584 (if (gnus-buffer-live-p gnus-original-article-buffer)
3585 (let ((sig (with-current-buffer gnus-original-article-buffer
3586 (gnus-fetch-field "X-PGP-Sig")))
3590 (mml2015-clear-verify-function))
3592 (insert-buffer-substring gnus-original-article-buffer)
3593 (setq items (split-string sig))
3594 (message-narrow-to-head)
3595 (let ((inhibit-point-motion-hooks t)
3596 (case-fold-search t))
3597 ;; Don't verify multiple headers.
3598 (setq headers (mapconcat (lambda (header)
3600 (mail-fetch-field header)
3602 (split-string (nth 1 items) ",") "")))
3603 (delete-region (point-min) (point-max))
3604 (insert "-----BEGIN PGP SIGNED MESSAGE-----\n\n")
3605 (insert "X-Signed-Headers: " (nth 1 items) "\n")
3610 (if (looking-at "^-")
3613 (insert "\n-----BEGIN PGP SIGNATURE-----\n")
3614 (insert "Version: " (car items) "\n\n")
3615 (insert (mapconcat 'identity (cddr items) "\n"))
3616 (insert "\n-----END PGP SIGNATURE-----\n")
3617 (let ((mm-security-handle (list (format "multipart/signed"))))
3618 (mml2015-clean-buffer)
3619 (let ((coding-system-for-write (or gnus-newsgroup-charset
3621 (funcall (mml2015-clear-verify-function)))
3623 (or (mm-handle-multipart-ctl-parameter
3624 mm-security-handle 'gnus-details)
3625 (mm-handle-multipart-ctl-parameter
3626 mm-security-handle 'gnus-info)))))
3628 (let (buffer-read-only bface eface)
3630 (message-narrow-to-head)
3631 (goto-char (point-max))
3633 (setq bface (get-text-property (point-at-bol) 'face)
3634 eface (get-text-property (1- (point-at-eol)) 'face))
3635 (message-remove-header "X-Gnus-PGP-Verify")
3636 (if (re-search-forward "^X-PGP-Sig:" nil t)
3638 (goto-char (point-max)))
3639 (narrow-to-region (point) (point))
3640 (insert "X-Gnus-PGP-Verify: " info "\n")
3641 (goto-char (point-min))
3644 (if (not (looking-at "^[ \t]"))
3648 (goto-char (point-min))
3649 (when (looking-at "\\([^:]+\\): *")
3650 (put-text-property (match-beginning 1) (1+ (match-end 1))
3652 (put-text-property (match-end 0) (point-max)
3653 'face eface)))))))))
3655 (defun article-verify-cancel-lock ()
3656 "Verify Cancel-Lock header."
3658 (if (gnus-buffer-live-p gnus-original-article-buffer)
3659 (canlock-verify gnus-original-article-buffer)))
3661 (defun article-monafy ()
3662 "Display body part with mona font."
3664 (unless (if (featurep 'xemacs)
3665 (find-face 'gnus-mona-face)
3666 (facep 'gnus-mona-face))
3667 (require 'navi2ch-mona)
3668 (set-face-font (make-face 'gnus-mona-face) navi2ch-mona-font))
3670 (let ((buffer-read-only nil))
3673 (gnus-make-overlay (point) (point-max))
3674 'face 'gnus-mona-face))))
3681 (setq afunc (car func)
3684 gfunc (intern (format "gnus-%s" func))))
3686 (when (fboundp afunc)
3687 `(lambda (&optional interactive &rest args)
3688 ,(documentation afunc t)
3689 (interactive (list t))
3691 (set-buffer gnus-article-buffer)
3693 (call-interactively ',afunc)
3694 (apply ',afunc args))))))))
3695 '(article-hide-headers
3696 article-verify-x-pgp-sig
3697 article-verify-cancel-lock
3699 article-hide-boring-headers
3700 article-treat-overstrike
3701 article-treat-ansi-sequences
3702 article-fill-long-lines
3703 article-capitalize-sentences
3705 article-remove-leading-whitespace
3706 article-display-x-face
3707 article-display-face
3708 article-de-quoted-unreadable
3709 article-de-base64-unreadable
3712 article-unsplit-urls
3713 article-hide-list-identifiers
3714 article-strip-banner
3717 article-hide-signature
3718 article-strip-headers-in-body
3719 article-remove-trailing-blank-lines
3720 article-strip-leading-blank-lines
3721 article-strip-multiple-blank-lines
3722 article-strip-leading-space
3723 article-strip-trailing-space
3724 article-strip-blank-lines
3725 article-strip-all-blank-lines
3727 article-date-english
3728 article-date-iso8601
3729 article-date-original
3731 article-decode-mime-words
3732 article-decode-charset
3733 article-decode-encoded-words
3737 article-treat-dumbquotes
3738 article-normalize-headers
3739 (article-show-all-headers . gnus-article-show-all-headers)
3740 ;; (article-show-all . gnus-article-show-all)
3744 ;;; Gnus article mode
3747 (put 'gnus-article-mode 'mode-class 'special)
3749 (gnus-define-keys gnus-article-mode-map
3750 " " gnus-article-goto-next-page
3751 "\177" gnus-article-goto-prev-page
3752 [delete] gnus-article-goto-prev-page
3753 [backspace] gnus-article-goto-prev-page
3754 "\C-c^" gnus-article-refer-article
3755 "h" gnus-article-show-summary
3756 "s" gnus-article-show-summary
3757 "\C-c\C-m" gnus-article-mail
3758 "?" gnus-article-describe-briefly
3759 "e" gnus-summary-edit-article
3760 "<" beginning-of-buffer
3762 "\C-c\C-i" gnus-info-find-node
3764 "R" gnus-article-reply-with-original
3765 "F" gnus-article-followup-with-original
3766 "\C-hk" gnus-article-describe-key
3767 "\C-hc" gnus-article-describe-key-briefly
3769 "\C-d" gnus-article-read-summary-keys
3770 "\M-*" gnus-article-read-summary-keys
3771 "\M-#" gnus-article-read-summary-keys
3772 "\M-^" gnus-article-read-summary-keys
3773 "\M-g" gnus-article-read-summary-keys)
3775 ;; Define almost undefined keys to `gnus-article-read-summary-keys'.
3779 (push (char-to-string key) keys)
3781 (dolist (elem (accessible-keymaps gnus-summary-mode-map))
3782 (setq key (car elem))
3783 (when (and (> (length key) 0)
3784 (not (eq 'menu-bar (aref key 0)))
3785 (symbolp (lookup-key gnus-summary-mode-map key)))
3788 (unless (lookup-key gnus-article-mode-map key)
3789 (define-key gnus-article-mode-map key 'gnus-article-read-summary-keys))))
3791 (defun gnus-article-make-menu-bar ()
3792 (unless (boundp 'gnus-article-commands-menu)
3793 (gnus-summary-make-menu-bar))
3794 (gnus-turn-off-edit-menu 'article)
3795 (unless (boundp 'gnus-article-article-menu)
3797 gnus-article-article-menu gnus-article-mode-map ""
3799 ["Scroll forwards" gnus-article-goto-next-page t]
3800 ["Scroll backwards" gnus-article-goto-prev-page t]
3801 ["Show summary" gnus-article-show-summary t]
3802 ["Fetch Message-ID at point" gnus-article-refer-article t]
3803 ["Mail to address at point" gnus-article-mail t]
3804 ["Send a bug report" gnus-bug t]))
3807 gnus-article-treatment-menu gnus-article-mode-map ""
3808 ;; Fixme: this should use :active (and maybe :visible).
3810 ["Hide headers" gnus-article-hide-headers t]
3811 ["Hide signature" gnus-article-hide-signature t]
3812 ["Hide citation" gnus-article-hide-citation t]
3813 ["Treat overstrike" gnus-article-treat-overstrike t]
3814 ["Treat ANSI sequences" gnus-article-treat-ansi-sequences t]
3815 ["Remove carriage return" gnus-article-remove-cr t]
3816 ["Remove leading whitespace" gnus-article-remove-leading-whitespace t]
3817 ["Treat html" gnus-article-wash-html t]
3818 ["Remove newlines from within URLs" gnus-article-unsplit-urls t]
3819 ["Decode HZ" gnus-article-decode-HZ t]))
3821 ;; Note "Commands" menu is defined in gnus-sum.el for consistency
3823 ;; Note "Post" menu is defined in gnus-sum.el for consistency
3825 (gnus-run-hooks 'gnus-article-menu-hook)))
3827 (defun gnus-article-mode ()
3828 "Major mode for displaying an article.
3830 All normal editing commands are switched off.
3832 The following commands are available in addition to all summary mode
3834 \\<gnus-article-mode-map>
3835 \\[gnus-article-next-page]\t Scroll the article one page forwards
3836 \\[gnus-article-prev-page]\t Scroll the article one page backwards
3837 \\[gnus-article-refer-article]\t Go to the article referred to by an article id near point
3838 \\[gnus-article-show-summary]\t Display the summary buffer
3839 \\[gnus-article-mail]\t Send a reply to the address near point
3840 \\[gnus-article-describe-briefly]\t Describe the current mode briefly
3841 \\[gnus-info-find-node]\t Go to the Gnus info node"
3843 (gnus-simplify-mode-line)
3844 (setq mode-name "Article")
3845 (setq major-mode 'gnus-article-mode)
3846 (make-local-variable 'minor-mode-alist)
3847 (unless (assq 'gnus-show-mime minor-mode-alist)
3848 (push (list 'gnus-show-mime " MIME") minor-mode-alist))
3849 (use-local-map gnus-article-mode-map)
3850 (when (gnus-visual-p 'article-menu 'menu)
3851 (gnus-article-make-menu-bar)
3852 (when gnus-summary-tool-bar-map
3853 (set (make-local-variable 'tool-bar-map) gnus-summary-tool-bar-map)))
3854 (gnus-update-format-specifications nil 'article-mode)
3855 (set (make-local-variable 'page-delimiter) gnus-page-delimiter)
3856 (set (make-local-variable 'gnus-page-broken) nil)
3857 (make-local-variable 'gnus-button-marker-list)
3858 (make-local-variable 'gnus-article-current-summary)
3859 (make-local-variable 'gnus-article-mime-handles)
3860 (make-local-variable 'gnus-article-decoded-p)
3861 (make-local-variable 'gnus-article-mime-handle-alist)
3862 (make-local-variable 'gnus-article-wash-types)
3863 (make-local-variable 'gnus-article-image-alist)
3864 (make-local-variable 'gnus-article-charset)
3865 (make-local-variable 'gnus-article-ignored-charsets)
3866 (gnus-set-default-directory)
3867 (buffer-disable-undo)
3868 (setq buffer-read-only t
3869 show-trailing-whitespace nil)
3870 (set-syntax-table gnus-article-mode-syntax-table)
3871 (gnus-run-hooks 'gnus-article-mode-hook))
3873 (defun gnus-article-setup-buffer ()
3874 "Initialize the article buffer."
3875 (let* ((name (if gnus-single-article-buffer "*Article*"
3876 (concat "*Article " gnus-newsgroup-name "*")))
3878 (progn (string-match "\\*Article" name)
3879 (concat " *Original Article"
3880 (substring name (match-end 0))))))
3881 (setq gnus-article-buffer name)
3882 (setq gnus-original-article-buffer original)
3883 (setq gnus-article-mime-handle-alist nil)
3884 ;; This might be a variable local to the summary buffer.
3885 (unless gnus-single-article-buffer
3887 (set-buffer gnus-summary-buffer)
3888 (setq gnus-article-buffer name)
3889 (setq gnus-original-article-buffer original)
3890 (gnus-set-global-variables)))
3891 (gnus-article-setup-highlight-words)
3892 ;; Init original article buffer.
3894 (set-buffer (gnus-get-buffer-create gnus-original-article-buffer))
3895 (set-buffer-multibyte t)
3896 (setq major-mode 'gnus-original-article-mode)
3897 (make-local-variable 'gnus-original-article))
3898 (if (get-buffer name)
3901 (when (and gnus-article-edit-mode
3904 (y-or-n-p "Article mode edit in progress; discard? ")))
3905 (error "Action aborted"))
3906 (set (make-local-variable 'gnus-article-edit-mode) nil)
3907 (buffer-disable-undo)
3908 (setq buffer-read-only t)
3909 ;; This list just keeps growing if we don't reset it.
3910 (setq gnus-button-marker-list nil)
3911 (unless (eq major-mode 'gnus-article-mode)
3912 (gnus-article-mode))
3915 (set-buffer (gnus-get-buffer-create name))
3917 (make-local-variable 'gnus-summary-buffer)
3918 (gnus-summary-set-local-parameters gnus-newsgroup-name)
3919 (current-buffer)))))
3921 ;; Set article window start at LINE, where LINE is the number of lines
3922 ;; from the head of the article.
3923 (defun gnus-article-set-window-start (&optional line)
3925 (gnus-get-buffer-window gnus-article-buffer t)
3927 (set-buffer gnus-article-buffer)
3928 (goto-char (point-min))
3931 (gnus-message 6 "Moved to bookmark")
3932 (search-forward "\n\n" nil t)
3936 ;;; @@ article filters
3939 (defun gnus-article-display-mime-message ()
3940 "Article display method for MIME message."
3941 ;; called from `gnus-original-article-buffer'.
3942 (let (charset all-headers)
3943 (with-current-buffer gnus-summary-buffer
3944 (setq charset default-mime-charset
3945 all-headers gnus-have-all-headers))
3946 (make-local-variable 'default-mime-charset)
3947 (setq default-mime-charset charset)
3948 (with-current-buffer (get-buffer-create gnus-article-buffer)
3949 (make-local-variable 'default-mime-charset)
3950 (setq default-mime-charset charset))
3951 (mime-display-message mime-message-structure
3952 gnus-article-buffer nil gnus-article-mode-map)
3954 (gnus-article-hide-headers nil -1)))
3955 (run-hooks 'gnus-mime-article-prepare-hook))
3957 (defun gnus-article-display-traditional-message ()
3958 "Article display method for traditional message."
3959 (set-buffer gnus-article-buffer)
3960 (let (buffer-read-only)
3962 (insert-buffer-substring gnus-original-article-buffer)))
3964 (defun gnus-article-make-full-mail-header (&optional number charset)
3965 "Create a new mail header structure in a raw article buffer."
3966 (unless (and number charset)
3967 (save-current-buffer
3968 (set-buffer gnus-summary-buffer)
3970 (setq number (or (cdr gnus-article-current) 0)))
3972 (setq charset (or default-mime-charset 'x-ctext)))))
3973 (goto-char (point-min))
3974 (let ((header-end (if (search-forward "\n\n" nil t)
3976 (goto-char (point-max))))
3977 (chars (- (point-max) (point)))
3978 (lines (count-lines (point) (point-max)))
3979 (default-mime-charset charset)
3981 (narrow-to-region (point-min) header-end)
3982 (setq xref (std11-fetch-field "xref"))
3984 (make-full-mail-header
3986 (std11-fetch-field "subject")
3987 (std11-fetch-field "from")
3988 (std11-fetch-field "date")
3989 (std11-fetch-field "message-id")
3990 (std11-fetch-field "references")
3993 (when xref (concat "Xref: " xref)))
3996 (defun gnus-article-prepare (article &optional all-headers header)
3997 "Prepare ARTICLE in article mode buffer.
3998 ARTICLE should either be an article number or a Message-ID.
3999 If ARTICLE is an id, HEADER should be the article headers.
4000 If ALL-HEADERS is non-nil, no headers are hidden."
4002 ;; Make sure we start in a summary buffer.
4003 (unless (eq major-mode 'gnus-summary-mode)
4004 (set-buffer gnus-summary-buffer))
4005 (setq gnus-summary-buffer (current-buffer))
4006 (let* ((gnus-article (if header (mail-header-number header) article))
4007 (summary-buffer (current-buffer))
4008 (gnus-tmp-internal-hook gnus-article-internal-prepare-hook)
4009 (group gnus-newsgroup-name)
4012 (gnus-article-setup-buffer)
4013 (set-buffer gnus-article-buffer)
4014 ;; Deactivate active regions.
4015 (when (and (boundp 'transient-mark-mode)
4016 transient-mark-mode)
4017 (setq mark-active nil))
4018 (if (not (setq result (let ((buffer-read-only nil))
4019 (gnus-request-article-this-buffer
4021 ;; There is no such article.
4023 (when (and (numberp article)
4024 (not (memq article gnus-newsgroup-sparse)))
4025 (setq gnus-article-current
4026 (cons gnus-newsgroup-name article))
4027 (set-buffer gnus-summary-buffer)
4028 (setq gnus-current-article article)
4029 (if (and (memq article gnus-newsgroup-undownloaded)
4030 (not (gnus-online (gnus-find-method-for-group
4031 gnus-newsgroup-name))))
4033 (gnus-summary-set-agent-mark article)
4034 (message "Message marked for downloading"))
4035 (gnus-summary-mark-article article gnus-canceled-mark)
4036 (unless (memq article gnus-newsgroup-sparse)
4037 (gnus-error 1 "No such article (may have expired or been canceled)")))))
4038 (if (or (eq result 'pseudo)
4039 (eq result 'nneething))
4042 (set-buffer summary-buffer)
4043 (push article gnus-newsgroup-history)
4044 (setq gnus-last-article gnus-current-article
4045 gnus-current-article 0
4046 gnus-current-headers nil
4047 gnus-article-current nil)
4048 (if (eq result 'nneething)
4049 (gnus-configure-windows 'summary)
4050 (gnus-configure-windows 'article))
4051 (gnus-set-global-variables))
4052 (let ((gnus-article-mime-handle-alist-1
4053 gnus-article-mime-handle-alist))
4054 (gnus-set-mode-line 'article)))
4055 ;; The result from the `request' was an actual article -
4056 ;; or at least some text that is now displayed in the
4058 (when (and (numberp article)
4059 (not (eq article gnus-current-article)))
4060 ;; Seems like a new article has been selected.
4061 ;; `gnus-current-article' must be an article number.
4063 (set-buffer summary-buffer)
4064 (push article gnus-newsgroup-history)
4065 (setq gnus-last-article gnus-current-article
4066 gnus-current-article article
4067 gnus-current-headers
4068 (gnus-summary-article-header gnus-current-article)
4069 gnus-article-current
4070 (cons gnus-newsgroup-name gnus-current-article))
4071 (unless (vectorp gnus-current-headers)
4072 (setq gnus-current-headers nil))
4073 (gnus-summary-goto-subject gnus-current-article)
4074 (when (gnus-summary-show-thread)
4075 ;; If the summary buffer really was folded, the
4076 ;; previous goto may not actually have gone to
4077 ;; the right article, but the thread root instead.
4079 (gnus-summary-goto-subject gnus-current-article))
4080 (gnus-run-hooks 'gnus-mark-article-hook)
4081 (gnus-set-mode-line 'summary)
4082 (when (gnus-visual-p 'article-highlight 'highlight)
4083 (gnus-run-hooks 'gnus-visual-mark-article-hook))
4084 ;; Set the global newsgroup variables here.
4085 (gnus-set-global-variables)
4086 (setq gnus-have-all-headers
4087 (or all-headers gnus-show-all-headers))))
4089 (gnus-configure-windows 'article))
4090 (when (or (numberp article)
4092 (gnus-article-prepare-display)
4094 (goto-char (point-min))
4095 (when gnus-break-pages
4096 (gnus-narrow-to-page)))
4097 (let ((gnus-article-mime-handle-alist-1
4098 gnus-article-mime-handle-alist))
4099 (gnus-set-mode-line 'article))
4103 (set-window-point (get-buffer-window (current-buffer)) (point))
4104 (gnus-configure-windows 'article)
4107 (defun gnus-article-prepare-mime-display (&optional number)
4108 (goto-char (point-min))
4109 (when (re-search-forward "^[^\t ]+:" nil t)
4110 (goto-char (match-beginning 0)))
4111 (let ((entity (if (eq 1 (point-min))
4112 (get-text-property 1 'mime-view-entity)
4113 (get-text-property (point) 'mime-view-entity)))
4114 last-entity child-entity next type)
4115 (setq child-entity (mime-entity-children entity))
4117 (setq last-entity (nth (1- (length child-entity))
4119 (setq last-entity entity))
4121 (narrow-to-region (point)
4122 (if (search-forward "\n\n" nil t)
4125 (gnus-treat-article 'head)
4126 (put-text-property (point-min) (point-max) 'article-treated-header t)
4127 (goto-char (point-max)))
4128 (while (and (not (eobp)) entity)
4129 (setq next (set-marker
4131 (next-single-property-change (point) 'mime-view-entity
4133 (let ((types (mime-entity-content-type entity)))
4134 (while (eq 'multipart (mime-content-type-primary-type types))
4135 (setq entity (car (mime-entity-children entity))
4136 types (mime-entity-content-type entity)))
4138 (setq type (format "%s/%s"
4139 (mime-content-type-primary-type types)
4140 (mime-content-type-subtype types)))))
4141 (if (string-equal type "message/rfc822")
4144 (let ((children (mime-entity-children entity))
4147 (setq last-children (nth (1- (length children)) children))
4150 (not (eq last-children
4151 (get-text-property next 'mime-view-entity)))
4153 (next-single-property-change next
4155 nil (point-max)))))))
4156 (setq next (next-single-property-change next 'mime-view-entity
4159 (narrow-to-region (point) next)
4160 (gnus-article-prepare-mime-display)
4161 (goto-char (point-max)))
4162 (setq entity (get-text-property (point) 'mime-view-entity)))
4164 (narrow-to-region (point) next)
4165 ;; Kludge. We have to count true number, but for now,
4166 ;; part number is here only to achieve `last'.
4167 (gnus-treat-article nil 1
4168 (if (eq entity last-entity)
4171 (goto-char (point-max)))
4172 (setq entity (get-text-property next 'mime-view-entity))))))
4175 (defun gnus-article-prepare-display ()
4176 "Make the current buffer look like a nice article."
4177 (let ((gnus-article-buffer (current-buffer))
4179 (unless (eq major-mode 'gnus-article-mode)
4180 (gnus-article-mode))
4181 (setq buffer-read-only nil
4182 gnus-button-marker-list nil
4183 gnus-article-wash-types nil
4184 gnus-article-image-alist nil)
4187 (static-if (featurep 'xemacs)
4188 (map-extents (lambda (extent maparg) (delete-extent extent)))
4189 (let ((lists (overlay-lists)))
4190 (dolist (overlay (nconc (car lists) (cdr lists)))
4191 (delete-overlay overlay)))))
4192 (gnus-run-hooks 'gnus-tmp-internal-hook))
4193 (let ((show-mime (unless (member gnus-newsgroup-name '("nndraft:delayed"
4196 (inhibit-read-only t))
4197 (set-buffer gnus-original-article-buffer)
4199 (setq mime-message-structure gnus-current-headers)
4200 (mime-buffer-entity-set-buffer-internal mime-message-structure
4201 gnus-original-article-buffer)
4202 (mime-entity-set-representation-type-internal mime-message-structure
4203 'mime-buffer-entity)
4204 (luna-send mime-message-structure 'initialize-instance
4205 mime-message-structure)
4207 (let (mime-display-header-hook mime-display-text/plain-hook)
4208 (funcall gnus-article-display-method-for-mime))
4209 (funcall gnus-article-display-method-for-traditional))
4210 ;; Call the treatment functions.
4214 (gnus-article-prepare-mime-display)
4215 (narrow-to-region (goto-char (point-min))
4216 (if (search-forward "\n\n" nil t)
4219 (gnus-treat-article 'head)
4220 (put-text-property (point-min) (point-max) 'article-treated-header t)
4221 (goto-char (point-max))
4223 (narrow-to-region (point) (point-max))
4224 (gnus-treat-article nil))
4225 (put-text-property (point-min) (point-max) 'read-only nil)))
4226 (gnus-run-hooks 'gnus-article-prepare-hook))
4228 (defun gnus-article-decode-article-as-default-mime-charset ()
4229 "Decode an article as `default-mime-charset'. It won't work if the
4230 value of the variable `gnus-show-mime' is non-nil."
4231 (unless (or gnus-show-mime
4232 (member gnus-newsgroup-name '("nndraft:delayed"
4234 (set (make-local-variable 'default-mime-charset)
4235 (with-current-buffer gnus-summary-buffer
4236 default-mime-charset))
4237 (decode-mime-charset-region (point-min) (point-max)
4238 default-mime-charset)))
4241 ;;; Gnus MIME viewing functions
4244 (defvar gnus-mime-button-line-format "%{%([%p. %d%T]%)%}%e\n"
4245 "Format of the MIME buttons.
4247 Valid specifiers include:
4249 %T MIME type, along with additional info
4250 %n The `name' parameter
4251 %d The description, if any
4252 %l The length of the encoded part
4253 %p The part identifier number
4254 %e Dots if the part isn't displayed
4256 General format specifiers can also be used. See Info node
4257 `(gnus)Formatting Variables'.")
4259 (defvar gnus-mime-button-line-format-alist
4260 '((?t gnus-tmp-type ?s)
4261 (?T gnus-tmp-type-long ?s)
4262 (?n gnus-tmp-name ?s)
4263 (?d gnus-tmp-description ?s)
4265 (?l gnus-tmp-length ?d)
4266 (?e gnus-tmp-dots ?s)))
4268 (defvar gnus-mime-button-commands
4269 '((gnus-article-press-button "\r" "Toggle Display")
4270 (gnus-mime-view-part "v" "View Interactively...")
4271 (gnus-mime-view-part-as-type "t" "View As Type...")
4272 (gnus-mime-view-part-as-charset "C" "View As charset...")
4273 (gnus-mime-save-part "o" "Save...")
4274 (gnus-mime-save-part-and-strip "\C-o" "Save and Strip")
4275 (gnus-mime-delete-part "d" "Delete part")
4276 (gnus-mime-copy-part "c" "View As Text, In Other Buffer")
4277 (gnus-mime-inline-part "i" "View As Text, In This Buffer")
4278 (gnus-mime-view-part-internally "E" "View Internally")
4279 (gnus-mime-view-part-externally "e" "View Externally")
4280 (gnus-mime-print-part "p" "Print")
4281 (gnus-mime-pipe-part "|" "Pipe To Command...")
4282 (gnus-mime-action-on-part "." "Take action on the part...")))
4284 (defun gnus-article-mime-part-status ()
4285 (with-current-buffer gnus-article-buffer
4286 (let ((entity (get-text-property (point-min) 'mime-view-entity))
4289 (setq children (mime-entity-children entity))
4290 (setq children (length children)))
4293 (format " (%d parts)" children))
4296 (defvar gnus-mime-button-map
4297 (let ((map (make-sparse-keymap)))
4298 (define-key map gnus-mouse-2 'gnus-article-push-button)
4299 (define-key map gnus-down-mouse-3 'gnus-mime-button-menu)
4300 (dolist (c gnus-mime-button-commands)
4301 (define-key map (cadr c) (car c)))
4305 gnus-mime-button-menu gnus-mime-button-map "MIME button menu."
4307 ,@(mapcar (lambda (c)
4308 (vector (caddr c) (car c) :enable t))
4309 gnus-mime-button-commands)))
4311 (defun gnus-mime-button-menu (event prefix)
4312 "Construct a context-sensitive menu of MIME commands."
4313 (interactive "e\nP")
4314 (save-window-excursion
4315 (let ((pos (event-start event)))
4316 (select-window (posn-window pos))
4317 (goto-char (posn-point pos))
4318 (gnus-article-check-buffer)
4319 (popup-menu gnus-mime-button-menu nil prefix))))
4321 (defun gnus-mime-view-all-parts (&optional handles)
4322 "View all the MIME parts."
4324 (with-current-buffer gnus-article-buffer
4325 (let ((handles (or handles gnus-article-mime-handles))
4326 (mail-parse-charset gnus-newsgroup-charset)
4327 (mail-parse-ignored-charsets
4328 (with-current-buffer gnus-summary-buffer
4329 gnus-newsgroup-ignored-charsets)))
4331 (mm-remove-parts handles)
4332 (goto-char (point-min))
4333 (or (search-forward "\n\n") (goto-char (point-max)))
4334 (let (buffer-read-only)
4335 (delete-region (point) (point-max))
4336 (mm-display-parts handles))))))
4339 (defsubst gnus-article-edit-part (handles)
4340 "Edit an article in order to delete a mime part.
4341 This function is exclusively used by `gnus-mime-save-part-and-strip'
4342 and `gnus-mime-delete-part', and not provided at run-time normally."
4343 (gnus-article-edit-article
4346 (let ((mail-parse-charset (or gnus-article-charset
4347 ',gnus-newsgroup-charset))
4348 (mail-parse-ignored-charsets
4349 (or gnus-article-ignored-charsets
4350 ',gnus-newsgroup-ignored-charsets))
4351 (mbl mml-buffer-list))
4352 (setq mml-buffer-list nil)
4353 (insert-buffer gnus-original-article-buffer)
4354 (mime-to-mml ',handles)
4355 (setq gnus-article-mime-handles nil)
4356 (let ((mbl1 mml-buffer-list))
4357 (setq mml-buffer-list mbl)
4358 (set (make-local-variable 'mml-buffer-list) mbl1))
4359 (gnus-make-local-hook 'kill-buffer-hook)
4360 (add-hook 'kill-buffer-hook 'mml-destroy-buffers t t)))
4361 `(lambda (no-highlight)
4362 (let ((mail-parse-charset (or gnus-article-charset
4363 ',gnus-newsgroup-charset))
4364 (message-options message-options)
4365 (message-options-set-recipient)
4366 (mail-parse-ignored-charsets
4367 (or gnus-article-ignored-charsets
4368 ',gnus-newsgroup-ignored-charsets)))
4370 (mml-destroy-buffers)
4371 (remove-hook 'kill-buffer-hook
4372 'mml-destroy-buffers t)
4373 (kill-local-variable 'mml-buffer-list))
4374 (gnus-summary-edit-article-done
4375 ,(or (mail-header-references gnus-current-headers) "")
4376 ,(gnus-group-read-only-p)
4377 ,gnus-summary-buffer no-highlight)))
4378 (gnus-article-edit-done)
4379 (gnus-summary-expand-window)
4380 (gnus-summary-show-article)))
4382 (defun gnus-mime-save-part-and-strip ()
4383 "Save the MIME part under point then replace it with an external body."
4385 (gnus-article-check-buffer)
4386 (when (gnus-group-read-only-p)
4387 (error "The current group does not support deleting of parts"))
4388 (when (mm-complicated-handles gnus-article-mime-handles)
4390 The current article has a complicated MIME structure, giving up..."))
4391 (when (gnus-yes-or-no-p "\
4392 Deleting parts may malfunction or destroy the article; continue? ")
4393 (let* ((data (get-text-property (point) 'gnus-data))
4395 (handles gnus-article-mime-handles))
4396 (setq file (and data (mm-save-part data)))
4398 (with-current-buffer (mm-handle-buffer data)
4400 (insert "Content-Type: " (mm-handle-media-type data))
4401 (mml-insert-parameter-string (cdr (mm-handle-type data))
4404 (insert "Content-ID: " (message-make-message-id) "\n")
4405 (insert "Content-Transfer-Encoding: binary\n")
4408 (cdr (mm-make-handle nil
4409 `("message/external-body"
4410 (access-type . "LOCAL-FILE")
4412 (set-buffer gnus-summary-buffer)
4413 (gnus-article-edit-part handles)))))
4415 (defun gnus-mime-delete-part ()
4416 "Delete the MIME part under point.
4417 Replace it with some information about the removed part."
4419 (gnus-article-check-buffer)
4420 (when (gnus-group-read-only-p)
4421 (error "The current group does not support deleting of parts"))
4422 (when (mm-complicated-handles gnus-article-mime-handles)
4424 The current article has a complicated MIME structure, giving up..."))
4425 (when (gnus-yes-or-no-p "\
4426 Deleting parts may malfunction or destroy the article; continue? ")
4427 (let* ((data (get-text-property (point) 'gnus-data))
4428 (handles gnus-article-mime-handles)
4432 (mail-decode-encoded-word-string (or (mm-handle-description data)
4435 (or (mail-content-type-get (mm-handle-disposition data) 'filename)
4437 (type (mm-handle-media-type data)))
4439 (error "No MIME part under point"))
4440 (with-current-buffer (mm-handle-buffer data)
4441 (let ((bsize (format "%s" (buffer-size))))
4446 "| The following attachment has been deleted:\n"
4448 "| Type: " type "\n"
4449 "| Filename: " filename "\n"
4450 "| Size (encoded): " bsize " Byte\n"
4451 "| Description: " description "\n"
4454 (cdr (mm-make-handle
4455 nil `("text/plain") nil nil
4457 (format "Deleted attachment (%s bytes)" bsize))))))
4458 (set-buffer gnus-summary-buffer)
4459 (gnus-article-edit-part handles))))
4461 (defun gnus-mime-save-part ()
4462 "Save the MIME part under point."
4464 (gnus-article-check-buffer)
4465 (let ((data (get-text-property (point) 'gnus-data)))
4467 (mm-save-part data))))
4469 (defun gnus-mime-pipe-part ()
4470 "Pipe the MIME part under point to a process."
4472 (gnus-article-check-buffer)
4473 (let ((data (get-text-property (point) 'gnus-data)))
4475 (mm-pipe-part data))))
4477 (defun gnus-mime-view-part ()
4478 "Interactively choose a viewing method for the MIME part under point."
4480 (gnus-article-check-buffer)
4481 (let ((data (get-text-property (point) 'gnus-data)))
4483 (setq gnus-article-mime-handles
4485 gnus-article-mime-handles (setq data (copy-sequence data))))
4486 (mm-interactively-view-part data))))
4488 (defun gnus-mime-view-part-as-type-internal ()
4489 (gnus-article-check-buffer)
4490 (let* ((name (mail-content-type-get
4491 (mm-handle-type (get-text-property (point) 'gnus-data))
4493 (def-type (and name (mm-default-file-encoding name))))
4494 (and def-type (cons def-type 0))))
4496 (defun gnus-mime-view-part-as-type (&optional mime-type)
4497 "Choose a MIME media type, and view the part as such."
4500 (setq mime-type (completing-read
4501 "View as MIME type: "
4502 (mapcar #'list (mailcap-mime-types))
4504 (gnus-mime-view-part-as-type-internal))))
4505 (gnus-article-check-buffer)
4506 (let ((handle (get-text-property (point) 'gnus-data)))
4509 (mm-make-handle (mm-handle-buffer handle)
4510 (cons mime-type (cdr (mm-handle-type handle)))
4511 (mm-handle-encoding handle)
4512 (mm-handle-undisplayer handle)
4513 (mm-handle-disposition handle)
4514 (mm-handle-description handle)
4516 (mm-handle-id handle)))
4517 (setq gnus-article-mime-handles
4518 (mm-merge-handles gnus-article-mime-handles handle))
4519 (gnus-mm-display-part handle))))
4522 (require 'jka-compr))
4524 ;; jka-compr.el uses a "sh -c" to direct stderr to err-file, but these days
4525 ;; emacs can do that itself.
4527 (defun gnus-mime-jka-compr-maybe-uncompress ()
4528 "Uncompress the current buffer if `auto-compression-mode' is enabled.
4529 The uncompress method used is derived from `buffer-file-name'."
4530 (when (and (fboundp 'jka-compr-installed-p)
4531 (jka-compr-installed-p))
4532 (let ((info (jka-compr-get-compression-info buffer-file-name)))
4534 (let ((basename (file-name-nondirectory buffer-file-name))
4535 (args (jka-compr-info-uncompress-args info))
4536 (prog (jka-compr-info-uncompress-program info))
4537 (message (jka-compr-info-uncompress-message info))
4538 (err-file (jka-compr-make-temp-name)))
4540 (message "%s %s..." message basename))
4542 (unless (memq (apply 'call-process-region
4543 (point-min) (point-max)
4545 t (list t err-file) nil
4547 jka-compr-acceptable-retval-list)
4548 (jka-compr-error prog args basename message err-file))
4549 (jka-compr-delete-temp-file err-file)))))))
4551 (defun gnus-mime-copy-part (&optional handle)
4552 "Put the MIME part under point into a new buffer.
4553 If `auto-compression-mode' is enabled, compressed files like .gz and .bz2
4556 (gnus-article-check-buffer)
4557 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4558 (contents (and handle (mm-get-part handle)))
4560 (file-name-nondirectory
4562 (mail-content-type-get (mm-handle-type handle) 'name)
4563 (mail-content-type-get (mm-handle-disposition handle)
4566 (buffer (and base (generate-new-buffer base))))
4568 (switch-to-buffer buffer)
4570 ;; We do it this way to make `normal-mode' set the appropriate mode.
4573 (setq buffer-file-name (expand-file-name base))
4574 (gnus-mime-jka-compr-maybe-uncompress)
4576 (setq buffer-file-name nil))
4577 (goto-char (point-min)))))
4579 (defun gnus-mime-print-part (&optional handle filename)
4580 "Print the MIME part under point."
4581 (interactive (list nil (ps-print-preprint current-prefix-arg)))
4582 (gnus-article-check-buffer)
4583 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4584 (contents (and handle (mm-get-part handle)))
4585 (file (mm-make-temp-file (expand-file-name "mm." mm-tmp-directory)))
4586 (printer (mailcap-mime-info (mm-handle-media-type handle) "print")))
4591 (mm-save-part-to-file handle file)
4592 (call-process shell-file-name nil
4593 (generate-new-buffer " *mm*")
4595 shell-command-switch
4597 printer file (mm-handle-type handle))))
4601 (gnus-print-buffer))
4602 (ps-despool filename)))))
4604 (defun gnus-mime-inline-part (&optional handle arg)
4605 "Insert the MIME part under point into the current buffer."
4606 (interactive (list nil current-prefix-arg))
4607 (gnus-article-check-buffer)
4608 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4613 (if (and (not arg) (mm-handle-undisplayer handle))
4614 (mm-remove-part handle)
4615 (setq contents (mm-get-part handle))
4618 (setq charset (or (mail-content-type-get
4619 (mm-handle-type handle) 'charset)
4620 gnus-newsgroup-charset)))
4622 (if (mm-handle-undisplayer handle)
4623 (mm-remove-part handle))
4626 gnus-summary-show-article-charset-alist))
4627 (mm-read-coding-system "Charset: ")))))
4629 (mm-insert-inline handle
4631 (setq charset (mm-charset-to-coding-system
4633 (not (eq charset 'ascii)))
4634 (mm-decode-coding-string contents charset)
4638 (defun gnus-mime-view-part-as-charset (&optional handle arg)
4639 "Insert the MIME part under point into the current buffer using the
4641 (interactive (list nil current-prefix-arg))
4642 (gnus-article-check-buffer)
4643 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4648 (if (mm-handle-undisplayer handle)
4649 (mm-remove-part handle))
4650 (let ((gnus-newsgroup-charset
4652 gnus-summary-show-article-charset-alist))
4653 (mm-read-coding-system "Charset: ")))
4654 (gnus-newsgroup-ignored-charsets 'gnus-all))
4655 (gnus-article-press-button)))))
4657 (defun gnus-mime-view-part-externally (&optional handle)
4658 "View the MIME part under point with an external viewer."
4660 (gnus-article-check-buffer)
4661 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4662 (mm-user-display-methods nil)
4663 (mm-inlined-types nil)
4664 (mail-parse-charset gnus-newsgroup-charset)
4665 (mail-parse-ignored-charsets
4666 (with-current-buffer gnus-summary-buffer
4667 gnus-newsgroup-ignored-charsets)))
4669 (if (mm-handle-undisplayer handle)
4670 (mm-remove-part handle)
4671 (mm-display-part handle)))))
4673 (defun gnus-mime-view-part-internally (&optional handle)
4674 "View the MIME part under point with an internal viewer.
4675 If no internal viewer is available, use an external viewer."
4677 (gnus-article-check-buffer)
4678 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4679 (mm-inlined-types '(".*"))
4680 (mm-inline-large-images t)
4681 (mail-parse-charset gnus-newsgroup-charset)
4682 (mail-parse-ignored-charsets
4683 (with-current-buffer gnus-summary-buffer
4684 gnus-newsgroup-ignored-charsets))
4687 (if (mm-handle-undisplayer handle)
4688 (mm-remove-part handle)
4689 (mm-display-part handle)))))
4691 (defun gnus-mime-action-on-part (&optional action)
4692 "Do something with the MIME attachment at \(point\)."
4694 (list (completing-read "Action: " gnus-mime-action-alist nil t)))
4695 (gnus-article-check-buffer)
4696 (let ((action-pair (assoc action gnus-mime-action-alist)))
4698 (funcall (cdr action-pair)))))
4700 (defun gnus-article-part-wrapper (n function)
4701 (with-current-buffer gnus-article-buffer
4702 (when (> n (length gnus-article-mime-handle-alist))
4703 (error "No such part"))
4704 (gnus-article-goto-part n)
4705 (let ((handle (cdr (assq n gnus-article-mime-handle-alist))))
4706 (funcall function handle))))
4708 (defun gnus-article-pipe-part (n)
4709 "Pipe MIME part N, which is the numerical prefix."
4711 (gnus-article-part-wrapper n 'mm-pipe-part))
4713 (defun gnus-article-save-part (n)
4714 "Save MIME part N, which is the numerical prefix."
4716 (gnus-article-part-wrapper n 'mm-save-part))
4718 (defun gnus-article-interactively-view-part (n)
4719 "View MIME part N interactively, which is the numerical prefix."
4721 (gnus-article-part-wrapper n 'mm-interactively-view-part))
4723 (defun gnus-article-copy-part (n)
4724 "Copy MIME part N, which is the numerical prefix."
4726 (gnus-article-part-wrapper n 'gnus-mime-copy-part))
4728 (defun gnus-article-view-part-as-charset (n)
4729 "View MIME part N using a specified charset.
4730 N is the numerical prefix."
4732 (gnus-article-part-wrapper n 'gnus-mime-view-part-as-charset))
4734 (defun gnus-article-view-part-externally (n)
4735 "View MIME part N externally, which is the numerical prefix."
4737 (gnus-article-part-wrapper n 'gnus-mime-view-part-externally))
4739 (defun gnus-article-inline-part (n)
4740 "Inline MIME part N, which is the numerical prefix."
4742 (gnus-article-part-wrapper n 'gnus-mime-inline-part))
4744 (defun gnus-article-mime-match-handle-first (condition)
4746 (let ((alist gnus-article-mime-handle-alist) ihandle n)
4747 (while (setq ihandle (pop alist))
4749 ((functionp condition)
4750 (funcall condition (cdr ihandle)))
4751 ((eq condition 'undisplayed)
4752 (not (or (mm-handle-undisplayer (cdr ihandle))
4753 (equal (mm-handle-media-type (cdr ihandle))
4754 "multipart/alternative"))))
4755 ((eq condition 'undisplayed-alternative)
4756 (not (mm-handle-undisplayer (cdr ihandle))))
4758 (gnus-article-goto-part (car ihandle))
4759 (or (not n) (< (car ihandle) n)))
4760 (setq n (car ihandle))))
4764 (defun gnus-article-view-part (&optional n)
4765 "View MIME part N, which is the numerical prefix."
4767 (with-current-buffer gnus-article-buffer
4768 (or (numberp n) (setq n (gnus-article-mime-match-handle-first
4769 gnus-article-mime-match-handle-function)))
4770 (when (> n (length gnus-article-mime-handle-alist))
4771 (error "No such part"))
4772 (let ((handle (cdr (assq n gnus-article-mime-handle-alist))))
4773 (when (gnus-article-goto-part n)
4774 (if (equal (car handle) "multipart/alternative")
4775 (gnus-article-press-button)
4776 (when (eq (gnus-mm-display-part handle) 'internal)
4777 (gnus-set-window-start)))))))
4779 (defsubst gnus-article-mime-total-parts ()
4780 (if (bufferp (car gnus-article-mime-handles))
4782 (1- (length gnus-article-mime-handles))))
4784 (defun gnus-mm-display-part (handle)
4785 "Display HANDLE and fix MIME button."
4786 (let ((id (get-text-property (point) 'gnus-part))
4791 (let ((window (selected-window))
4792 (mail-parse-charset gnus-newsgroup-charset)
4793 (mail-parse-ignored-charsets
4794 (if (gnus-buffer-live-p gnus-summary-buffer)
4795 (with-current-buffer gnus-summary-buffer
4796 gnus-newsgroup-ignored-charsets)
4800 (let ((win (gnus-get-buffer-window (current-buffer) t))
4803 (select-window win))
4806 (if (mm-handle-displayed-p handle)
4807 ;; This will remove the part.
4808 (mm-display-part handle)
4810 (narrow-to-region (point)
4811 (if (eobp) (point) (1+ (point))))
4812 (mm-display-part handle)
4813 ;; We narrow to the part itself and
4814 ;; then call the treatment functions.
4815 (goto-char (point-min))
4817 (narrow-to-region (point) (point-max))
4820 (gnus-article-mime-total-parts)
4821 (mm-handle-media-type handle)))))
4822 (if (window-live-p window)
4823 (select-window window)))))
4826 (gnus-insert-mime-button
4827 handle id (list (mm-handle-displayed-p handle)))
4828 (goto-char point))))
4830 (defun gnus-article-goto-part (n)
4831 "Go to MIME part N."
4832 (gnus-goto-char (text-property-any (point-min) (point-max) 'gnus-part n)))
4834 (defun gnus-insert-mime-button (handle gnus-tmp-id &optional displayed)
4835 (let ((gnus-tmp-name
4836 (or (mail-content-type-get (mm-handle-type handle) 'name)
4837 (mail-content-type-get (mm-handle-disposition handle) 'filename)
4838 (mail-content-type-get (mm-handle-type handle) 'url)
4840 (gnus-tmp-type (mm-handle-media-type handle))
4841 (gnus-tmp-description
4842 (mail-decode-encoded-word-string (or (mm-handle-description handle)
4845 (if (if displayed (car displayed)
4846 (mm-handle-displayed-p handle))
4848 (gnus-tmp-length (with-current-buffer (mm-handle-buffer handle)
4850 gnus-tmp-type-long b e)
4851 (when (string-match ".*/" gnus-tmp-name)
4852 (setq gnus-tmp-name (replace-match "" t t gnus-tmp-name)))
4853 (setq gnus-tmp-type-long (concat gnus-tmp-type
4854 (and (not (equal gnus-tmp-name ""))
4855 (concat "; " gnus-tmp-name))))
4856 (unless (equal gnus-tmp-description "")
4857 (setq gnus-tmp-type-long (concat " --- " gnus-tmp-type-long)))
4862 gnus-mime-button-line-format gnus-mime-button-line-format-alist
4863 `(keymap ,gnus-mime-button-map
4864 gnus-callback gnus-mm-display-part
4865 gnus-part ,gnus-tmp-id
4866 article-type annotation
4869 ;; Exclude a newline.
4872 (widget-convert-button
4875 :action 'gnus-widget-press-button
4876 :button-keymap gnus-mime-button-map
4878 (lambda (widget/window &optional overlay pos)
4879 ;; Needed to properly clear the message due to a bug in
4880 ;; wid-edit (XEmacs only).
4881 (if (boundp 'help-echo-owns-message)
4882 (setq help-echo-owns-message t))
4884 "%S: %s the MIME part; %S: more options"
4885 (aref gnus-mouse-2 0)
4886 ;; XEmacs will get a single widget arg; Emacs 21 will get
4887 ;; window, overlay, position.
4888 (if (mm-handle-displayed-p
4890 (with-current-buffer (gnus-overlay-buffer overlay)
4891 (widget-get (widget-at (gnus-overlay-start overlay))
4893 (widget-get widget/window :mime-handle)))
4895 (aref gnus-down-mouse-3 0))))))
4897 (defun gnus-widget-press-button (elems el)
4898 (goto-char (widget-get elems :from))
4899 (gnus-article-press-button))
4901 (defvar gnus-displaying-mime nil)
4903 (defun gnus-display-mime (&optional ihandles)
4904 "Display the MIME parts."
4906 (save-selected-window
4907 (let ((window (get-buffer-window gnus-article-buffer))
4910 (select-window window)
4911 ;; We have to do this since selecting the window
4912 ;; may change the point. So we set the window point.
4913 (set-window-point window point)))
4914 (let* ((handles (or ihandles
4915 (mm-dissect-buffer nil gnus-article-loose-mime)
4916 (and gnus-article-emulate-mime
4918 buffer-read-only handle name type b e display)
4919 (when (and (not ihandles)
4920 (not gnus-displaying-mime))
4921 ;; Top-level call; we clean up.
4922 (when gnus-article-mime-handles
4923 (mm-destroy-parts gnus-article-mime-handles)
4924 (setq gnus-article-mime-handle-alist nil));; A trick.
4925 (setq gnus-article-mime-handles handles)
4926 ;; We allow users to glean info from the handles.
4927 (when gnus-article-mime-part-function
4928 (gnus-mime-part-function handles)))
4930 (or (not (stringp (car handles)))
4933 (when (and (not ihandles)
4934 (not gnus-displaying-mime))
4935 ;; Clean up for mime parts.
4937 (delete-region (point) (point-max)))
4938 (let ((gnus-displaying-mime t))
4939 (gnus-mime-display-part handles)))
4942 (narrow-to-region (point) (point-max))
4943 (gnus-treat-article nil 1 1)
4946 ;; Highlight the headers.
4950 (narrow-to-region (point-min) (point))
4951 (gnus-treat-article 'head))))))))
4953 (defcustom gnus-mime-display-multipart-as-mixed nil
4954 "Display \"multipart\" parts as \"multipart/mixed\".
4956 If t, it overrides nil values of
4957 `gnus-mime-display-multipart-alternative-as-mixed' and
4958 `gnus-mime-display-multipart-related-as-mixed'."
4959 :group 'gnus-article-mime
4962 (defcustom gnus-mime-display-multipart-alternative-as-mixed nil
4963 "Display \"multipart/alternative\" parts as \"multipart/mixed\"."
4964 :group 'gnus-article-mime
4967 (defcustom gnus-mime-display-multipart-related-as-mixed nil
4968 "Display \"multipart/related\" parts as \"multipart/mixed\".
4970 If displaying \"text/html\" is discouraged \(see
4971 `mm-discouraged-alternatives'\) images or other material inside a
4972 \"multipart/related\" part might be overlooked when this variable is nil."
4973 :group 'gnus-article-mime
4976 (defun gnus-mime-display-part (handle)
4979 ((not (stringp (car handle)))
4980 (gnus-mime-display-single handle))
4981 ;; User-defined multipart
4982 ((cdr (assoc (car handle) gnus-mime-multipart-functions))
4983 (funcall (cdr (assoc (car handle) gnus-mime-multipart-functions))
4985 ;; multipart/alternative
4986 ((and (equal (car handle) "multipart/alternative")
4987 (not (or gnus-mime-display-multipart-as-mixed
4988 gnus-mime-display-multipart-alternative-as-mixed)))
4989 (let ((id (1+ (length gnus-article-mime-handle-alist))))
4990 (push (cons id handle) gnus-article-mime-handle-alist)
4991 (gnus-mime-display-alternative (cdr handle) nil nil id)))
4992 ;; multipart/related
4993 ((and (equal (car handle) "multipart/related")
4994 (not (or gnus-mime-display-multipart-as-mixed
4995 gnus-mime-display-multipart-related-as-mixed)))
4996 ;;;!!!We should find the start part, but we just default
4997 ;;;!!!to the first part.
4998 ;;(gnus-mime-display-part (cadr handle))
4999 ;;;!!! Most multipart/related is an HTML message plus images.
5000 ;;;!!! Unfortunately we are unable to let W3 display those
5001 ;;;!!! included images, so we just display it as a mixed multipart.
5002 ;;(gnus-mime-display-mixed (cdr handle))
5003 ;;;!!! No, w3 can display everything just fine.
5004 (gnus-mime-display-part (cadr handle)))
5005 ((equal (car handle) "multipart/signed")
5006 (gnus-add-wash-type 'signed)
5007 (gnus-mime-display-security handle))
5008 ((equal (car handle) "multipart/encrypted")
5009 (gnus-add-wash-type 'encrypted)
5010 (gnus-mime-display-security handle))
5011 ;; Other multiparts are handled like multipart/mixed.
5013 (gnus-mime-display-mixed (cdr handle)))))
5015 (defun gnus-mime-part-function (handles)
5016 (if (stringp (car handles))
5017 (mapcar 'gnus-mime-part-function (cdr handles))
5018 (funcall gnus-article-mime-part-function handles)))
5020 (defun gnus-mime-display-mixed (handles)
5021 (mapcar 'gnus-mime-display-part handles))
5023 (defun gnus-mime-display-single (handle)
5024 (let ((type (mm-handle-media-type handle))
5025 (ignored gnus-ignored-mime-types)
5032 (when (string-match (pop ignored) type)
5033 (throw 'ignored nil)))
5034 (if (and (setq not-attachment
5035 (and (not (mm-inline-override-p handle))
5036 (or (not (mm-handle-disposition handle))
5037 (equal (car (mm-handle-disposition handle))
5039 (mm-attachment-override-p handle))))
5040 (mm-automatic-display-p handle)
5042 (mm-inlinable-p handle)
5043 (mm-inlined-p handle))
5044 (mm-automatic-external-display-p type)))
5046 (when (equal (mm-handle-media-supertype handle) "text")
5048 (let ((id (1+ (length gnus-article-mime-handle-alist)))
5050 (push (cons id handle) gnus-article-mime-handle-alist)
5051 (when (or (not display)
5052 (not (gnus-unbuttonized-mime-type-p type)))
5053 (gnus-insert-mime-button
5054 handle id (list (or display (and not-attachment text))))
5055 (gnus-article-insert-newline)
5056 ;; Remember modify the number of forward lines.
5064 (let ((mail-parse-charset gnus-newsgroup-charset)
5065 (mail-parse-ignored-charsets
5066 (save-excursion (condition-case ()
5067 (set-buffer gnus-summary-buffer)
5069 gnus-newsgroup-ignored-charsets)))
5070 (mm-display-part handle t))
5071 (goto-char (point-max)))
5072 ((and text not-attachment)
5076 (gnus-article-insert-newline)
5077 (mm-insert-inline handle (mm-get-part handle))
5078 (goto-char (point-max))))
5082 (narrow-to-region beg (point))
5085 (gnus-article-mime-total-parts)
5086 (mm-handle-media-type handle)))))))))
5088 (defun gnus-unbuttonized-mime-type-p (type)
5089 "Say whether TYPE is to be unbuttonized."
5090 (unless gnus-inhibit-mime-unbuttonizing
5092 (let ((types gnus-unbuttonized-mime-types))
5094 (when (string-match (pop types) type)
5095 (throw 'found t)))))
5097 (let ((types gnus-buttonized-mime-types))
5099 (when (string-match (pop types) type)
5100 (throw 'found t)))))))))
5102 (defun gnus-article-insert-newline ()
5103 "Insert a newline, but mark it as undeletable."
5104 (gnus-put-text-property
5105 (point) (progn (insert "\n") (point)) 'gnus-undeletable t))
5107 (defun gnus-mime-display-alternative (handles &optional preferred ibegend id)
5108 (let* ((preferred (or preferred (mm-preferred-alternative handles)))
5111 handle buffer-read-only from props begend not-pref)
5112 (save-window-excursion
5115 (narrow-to-region (car ibegend)
5118 (goto-char (car ibegend))
5121 (delete-region (point-min) (point-max))
5122 (mm-remove-parts handles))
5123 (setq begend (list (point-marker)))
5125 (unless (setq not-pref (cadr (member preferred ihandles)))
5126 (setq not-pref (car ihandles)))
5129 (not (gnus-unbuttonized-mime-type-p
5130 "multipart/alternative")))
5131 (gnus-add-text-properties
5134 (insert (format "%d. " id))
5138 (unless ,(not ibegend)
5139 (setq gnus-article-mime-handle-alist
5140 ',gnus-article-mime-handle-alist))
5141 (gnus-mime-display-alternative
5142 ',ihandles ',not-pref ',begend ,id))
5143 keymap ,gnus-mime-button-map
5144 ,gnus-mouse-face-prop ,gnus-article-mouse-face
5145 face ,gnus-article-button-face
5148 (widget-convert-button 'link from (point)
5149 :action 'gnus-widget-press-button
5150 :button-keymap gnus-widget-button-keymap)
5152 (while (setq handle (pop handles))
5153 (gnus-add-text-properties
5156 (insert (format "(%c) %-18s"
5157 (if (equal handle preferred) ?* ? )
5158 (mm-handle-media-type handle)))
5162 (unless ,(not ibegend)
5163 (setq gnus-article-mime-handle-alist
5164 ',gnus-article-mime-handle-alist))
5165 (gnus-mime-display-alternative
5166 ',ihandles ',handle ',begend ,id))
5167 keymap ,gnus-mime-button-map
5168 ,gnus-mouse-face-prop ,gnus-article-mouse-face
5169 face ,gnus-article-button-face
5172 (widget-convert-button 'link from (point)
5173 :action 'gnus-widget-press-button
5174 :button-keymap gnus-widget-button-keymap)
5178 (if (stringp (car preferred))
5179 (gnus-display-mime preferred)
5180 (let ((mail-parse-charset gnus-newsgroup-charset)
5181 (mail-parse-ignored-charsets
5182 (with-current-buffer gnus-summary-buffer
5183 gnus-newsgroup-ignored-charsets)))
5184 (mm-display-part preferred)
5188 (narrow-to-region (car begend) (point-max))
5190 nil (length gnus-article-mime-handle-alist)
5191 (gnus-article-mime-total-parts)
5192 (mm-handle-media-type handle))))))
5193 (goto-char (point-max))
5194 (setcdr begend (point-marker)))))
5196 (goto-char point))))
5198 (defconst gnus-article-wash-status-strings
5199 (let ((alist '((cite "c" "Possible hidden citation text"
5200 " " "All citation text visible")
5201 (headers "h" "Hidden headers"
5202 " " "All headers visible.")
5203 (pgp "p" "Encrypted or signed message status hidden"
5204 " " "No hidden encryption nor digital signature status")
5205 (signature "s" "Signature has been hidden"
5206 " " "Signature is visible")
5207 (overstrike "o" "Overstrike (^H) characters applied"
5208 " " "No overstrike characters applied")
5209 (gnus-show-mime "m" "Mime processing is activated"
5210 " " "Mime processing is not activated")
5211 (emphasis "e" "/*_Emphasis_*/ characters applied"
5212 " " "No /*_emphasis_*/ characters applied")))
5214 (dolist (entry alist result)
5215 (let ((key (nth 0 entry))
5216 (on (copy-sequence (nth 1 entry)))
5217 (on-help (nth 2 entry))
5218 (off (copy-sequence (nth 3 entry)))
5219 (off-help (nth 4 entry)))
5220 (put-text-property 0 1 'help-echo on-help on)
5221 (put-text-property 0 1 'help-echo off-help off)
5222 (push (list key on off) result))))
5223 "Alist of strings describing wash status in the mode line.
5224 Each entry has the form (KEY ON OF), where the KEY is a symbol
5225 representing the particular washing function, ON is the string to use
5226 in the article mode line when the washing function is active, and OFF
5227 is the string to use when it is inactive.")
5229 (defun gnus-article-wash-status-entry (key value)
5230 (let ((entry (assoc key gnus-article-wash-status-strings)))
5231 (if value (nth 1 entry) (nth 2 entry))))
5233 (defun gnus-article-wash-status ()
5234 "Return a string which display status of article washing."
5235 (with-current-buffer gnus-article-buffer
5236 (let ((cite (memq 'cite gnus-article-wash-types))
5237 (headers (memq 'headers gnus-article-wash-types))
5238 (boring (memq 'boring-headers gnus-article-wash-types))
5239 (pgp (memq 'pgp gnus-article-wash-types))
5240 (pem (memq 'pem gnus-article-wash-types))
5241 (signed (memq 'signed gnus-article-wash-types))
5242 (encrypted (memq 'encrypted gnus-article-wash-types))
5243 (signature (memq 'signature gnus-article-wash-types))
5244 (overstrike (memq 'overstrike gnus-article-wash-types))
5245 (emphasis (memq 'emphasis gnus-article-wash-types)))
5247 (gnus-article-wash-status-entry 'cite cite)
5248 (gnus-article-wash-status-entry 'headers (or headers boring))
5249 (gnus-article-wash-status-entry 'pgp (or pgp pem signed encrypted))
5250 (gnus-article-wash-status-entry 'signature signature)
5251 (gnus-article-wash-status-entry 'overstrike overstrike)
5252 (gnus-article-wash-status-entry 'gnus-show-mime gnus-show-mime)
5253 (gnus-article-wash-status-entry 'emphasis emphasis)))))
5255 (defun gnus-add-wash-type (type)
5256 "Add a washing of TYPE to the current status."
5257 (add-to-list 'gnus-article-wash-types type))
5259 (defun gnus-delete-wash-type (type)
5260 "Add a washing of TYPE to the current status."
5261 (setq gnus-article-wash-types (delq type gnus-article-wash-types)))
5263 (defun gnus-add-image (category image)
5264 "Add IMAGE of CATEGORY to the list of displayed images."
5265 (let ((entry (assq category gnus-article-image-alist)))
5267 (setq entry (list category))
5268 (push entry gnus-article-image-alist))
5269 (nconc entry (list image))))
5271 (defun gnus-delete-images (category)
5272 "Delete all images in CATEGORY."
5273 (let ((entry (assq category gnus-article-image-alist)))
5274 (dolist (image (cdr entry))
5275 (gnus-remove-image image category))
5276 (setq gnus-article-image-alist (delq entry gnus-article-image-alist))
5277 (gnus-delete-wash-type category)))
5279 (defalias 'gnus-article-hide-headers-if-wanted 'gnus-article-maybe-hide-headers)
5281 (defun gnus-article-maybe-hide-headers ()
5282 "Hide unwanted headers if `gnus-have-all-headers' is nil.
5283 Provided for backwards compatibility."
5284 (when (and (or (not (gnus-buffer-live-p gnus-summary-buffer))
5285 (not (with-current-buffer gnus-summary-buffer
5286 gnus-have-all-headers)))
5287 (not gnus-inhibit-hiding))
5288 (gnus-article-hide-headers)))
5292 (defun gnus-output-to-file (file-name)
5293 "Append the current article to a file named FILE-NAME."
5294 (let ((artbuf (current-buffer)))
5296 (insert-buffer-substring artbuf)
5297 ;; Append newline at end of the buffer as separator, and then
5299 (goto-char (point-max))
5301 (let ((file-name-coding-system nnmail-pathname-coding-system))
5302 (write-region-as-binary (point-min) (point-max) file-name 'append))
5305 (defun gnus-narrow-to-page (&optional arg)
5306 "Narrow the article buffer to a page.
5307 If given a numerical ARG, move forward ARG pages."
5309 (setq arg (if arg (prefix-numeric-value arg) 0))
5311 (set-buffer gnus-article-buffer)
5312 (goto-char (point-min))
5314 ;; Remove any old next/prev buttons.
5315 (when (gnus-visual-p 'page-marker)
5316 (let ((buffer-read-only nil))
5317 (gnus-remove-text-with-property 'gnus-prev)
5318 (gnus-remove-text-with-property 'gnus-next)))
5321 (re-search-backward page-delimiter nil 'move (1+ (abs arg))))
5323 (re-search-forward page-delimiter nil 'move arg)))
5324 (goto-char (match-end 0))
5326 (goto-char (point-min))
5327 (setq gnus-page-broken
5328 (and (re-search-forward page-delimiter nil t) t))))
5329 (when gnus-page-broken
5332 (if (re-search-forward page-delimiter nil 'move)
5335 (when (and (gnus-visual-p 'page-marker)
5336 (not (= (point-min) 1)))
5338 (goto-char (point-min))
5339 (gnus-insert-prev-page-button)))
5340 (when (and (gnus-visual-p 'page-marker)
5341 (< (+ (point-max) 2) (buffer-size)))
5343 (goto-char (point-max))
5344 (gnus-insert-next-page-button))))))
5346 ;; Article mode commands
5348 (defun gnus-article-goto-next-page ()
5349 "Show the next page of the article."
5351 (when (gnus-article-next-page)
5352 (goto-char (point-min))
5353 (gnus-article-read-summary-keys nil (gnus-character-to-event ?n))))
5356 (defun gnus-article-goto-prev-page ()
5357 "Show the previous page of the article."
5360 (gnus-article-read-summary-keys nil (gnus-character-to-event ?p))
5361 (gnus-article-prev-page nil)))
5363 ;; This is cleaner but currently breaks `gnus-pick-mode':
5365 ;; (defun gnus-article-goto-next-page ()
5366 ;; "Show the next page of the article."
5368 ;; (gnus-eval-in-buffer-window gnus-summary-buffer
5369 ;; (gnus-summary-next-page)))
5371 ;; (defun gnus-article-goto-prev-page ()
5372 ;; "Show the next page of the article."
5374 ;; (gnus-eval-in-buffer-window gnus-summary-buffer
5375 ;; (gnus-summary-prev-page)))
5377 (defun gnus-article-next-page (&optional lines)
5378 "Show the next page of the current article.
5379 If end of article, return non-nil. Otherwise return nil.
5380 Argument LINES specifies lines to be scrolled up."
5382 (move-to-window-line -1)
5385 (and (pos-visible-in-window-p) ;Not continuation line.
5386 (>= (1+ (point)) (point-max)))) ;Allow for trailing newline.
5387 ;; Nothing in this page.
5388 (if (or (not gnus-page-broken)
5393 (eobp)))) ;Real end-of-buffer?
5395 (when gnus-article-over-scroll
5396 (gnus-article-next-page-1 lines))
5398 (gnus-narrow-to-page 1) ;Go to next page.
5400 ;; More in this page.
5401 (gnus-article-next-page-1 lines)
5404 (defun gnus-article-next-page-1 (lines)
5405 (let ((scroll-in-place nil))
5409 ;; Long lines may cause an end-of-buffer error.
5410 (goto-char (point-max)))))
5411 (move-to-window-line 0))
5413 (defun gnus-article-prev-page (&optional lines)
5414 "Show previous page of current article.
5415 Argument LINES specifies lines to be scrolled down."
5417 (move-to-window-line 0)
5418 (if (and gnus-page-broken
5420 (not (save-restriction (widen) (bobp)))) ;Real beginning-of-buffer?
5422 (gnus-narrow-to-page -1) ;Go to previous page.
5423 (goto-char (point-max))
5425 (let ((scroll-in-place nil))
5429 (beginning-of-buffer
5430 (goto-char (point-min))))
5431 (move-to-window-line 0)))))
5433 (defun gnus-article-only-boring-p ()
5434 "Decide whether there is only boring text remaining in the article.
5435 Something \"interesting\" is a word of at least two letters that does
5436 not have a face in `gnus-article-boring-faces'."
5437 (when (and gnus-article-skip-boring
5438 (boundp 'gnus-article-boring-faces)
5439 (symbol-value 'gnus-article-boring-faces))
5442 (while (re-search-forward "\\b\\w\\w" nil t)
5444 (when (not (gnus-intersection
5445 (gnus-faces-at (point))
5446 (symbol-value 'gnus-article-boring-faces)))
5447 (throw 'only-boring nil)))
5448 (throw 'only-boring t)))))
5450 (defun gnus-article-refer-article ()
5451 "Read article specified by message-id around point."
5454 (re-search-backward "[ \t]\\|^" (point-at-bol) t)
5455 (re-search-forward "<?news:<?\\|<" (point-at-eol) t)
5456 (if (re-search-forward "[^@ ]+@[^ \t>]+" (point-at-eol) t)
5457 (let ((msg-id (concat "<" (match-string 0) ">")))
5458 (set-buffer gnus-summary-buffer)
5459 (gnus-summary-refer-article msg-id))
5460 (error "No references around point"))))
5462 (defun gnus-article-show-summary ()
5463 "Reconfigure windows to show summary buffer."
5465 (if (not (gnus-buffer-live-p gnus-summary-buffer))
5466 (error "There is no summary buffer for this article buffer")
5467 (gnus-article-set-globals)
5468 (gnus-configure-windows 'article)
5469 (gnus-summary-goto-subject gnus-current-article)
5470 (gnus-summary-position-point)))
5472 (defun gnus-article-describe-briefly ()
5473 "Describe article mode commands briefly."
5475 (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")))
5477 (defun gnus-article-summary-command ()
5478 "Execute the last keystroke in the summary buffer."
5480 (let ((obuf (current-buffer))
5481 (owin (current-window-configuration))
5483 (switch-to-buffer gnus-article-current-summary 'norecord)
5484 (setq func (lookup-key (current-local-map) (this-command-keys)))
5485 (call-interactively func)
5487 (set-window-configuration owin)
5488 (set-window-point (get-buffer-window (current-buffer)) (point))))
5490 (defun gnus-article-summary-command-nosave ()
5491 "Execute the last keystroke in the summary buffer."
5494 (pop-to-buffer gnus-article-current-summary 'norecord)
5495 (setq func (lookup-key (current-local-map) (this-command-keys)))
5496 (call-interactively func)))
5498 (defun gnus-article-check-buffer ()
5499 "Beep if not in an article buffer."
5500 (unless (eq (get-buffer gnus-article-buffer) (current-buffer))
5501 (error "Command invoked outside of a Gnus article buffer")))
5503 (defun gnus-article-read-summary-keys (&optional arg key not-restore-window)
5504 "Read a summary buffer key sequence and execute it from the article buffer."
5506 (gnus-article-check-buffer)
5508 '("q" "Q" "c" "r" "\C-c\C-f" "m" "a" "f"
5509 "Zc" "ZC" "ZE" "ZJ" "ZQ" "ZZ" "Zn" "ZR" "ZG" "ZN" "ZP"
5510 "=" "^" "\M-^" "|"))
5516 '("n" "Gn" "p" "Gp"))
5519 (set-buffer gnus-article-current-summary)
5520 (let (gnus-pick-mode)
5521 (push (or key last-command-event) unread-command-events)
5522 (setq keys (static-if (featurep 'xemacs)
5523 (events-to-keys (read-key-sequence nil))
5524 (read-key-sequence nil)))))
5527 (if (or (member keys nosaves)
5528 (member keys nosave-but-article)
5529 (member keys nosave-in-article))
5531 (save-window-excursion
5532 (pop-to-buffer gnus-article-current-summary 'norecord)
5533 ;; We disable the pick minor mode commands.
5534 (let (gnus-pick-mode)
5535 (setq func (lookup-key (current-local-map) keys))))
5539 (unless (member keys nosave-in-article)
5540 (set-buffer gnus-article-current-summary))
5541 (call-interactively func)
5542 (setq new-sum-point (point)))
5543 (when (member keys nosave-but-article)
5544 (pop-to-buffer gnus-article-buffer 'norecord)))
5545 ;; These commands should restore window configuration.
5546 (let ((obuf (current-buffer))
5547 (owin (current-window-configuration))
5549 win func in-buffer selected new-sum-start new-sum-hscroll)
5550 (cond (not-restore-window
5551 (pop-to-buffer gnus-article-current-summary 'norecord))
5552 ((setq win (get-buffer-window gnus-article-current-summary))
5553 (select-window win))
5555 (switch-to-buffer gnus-article-current-summary 'norecord)))
5556 (setq in-buffer (current-buffer))
5557 ;; We disable the pick minor mode commands.
5558 (if (and (setq func (let (gnus-pick-mode)
5559 (lookup-key (current-local-map) keys)))
5562 (call-interactively func)
5563 (when (eq win (selected-window))
5564 (setq new-sum-point (point)
5565 new-sum-start (window-start win)
5566 new-sum-hscroll (window-hscroll win))
5567 (when (eq in-buffer (current-buffer))
5568 (setq selected (gnus-summary-select-article))
5570 (unless not-restore-window
5571 (set-window-configuration owin))
5572 (when (eq selected 'old)
5574 (set-window-start (get-buffer-window (current-buffer))
5576 (set-window-point (get-buffer-window (current-buffer))
5578 (when (and (not not-restore-window)
5580 (set-window-point win new-sum-point)
5581 (set-window-start win new-sum-start)
5582 (set-window-hscroll win new-sum-hscroll)))))
5583 (set-window-configuration owin)
5586 (defun gnus-article-describe-key (key)
5587 "Display documentation of the function invoked by KEY. KEY is a string."
5588 (interactive "kDescribe key: ")
5589 (gnus-article-check-buffer)
5590 (if (eq (key-binding key) 'gnus-article-read-summary-keys)
5592 (set-buffer gnus-article-current-summary)
5593 (let (gnus-pick-mode)
5594 (if (featurep 'xemacs)
5596 (push (elt key 0) unread-command-events)
5597 (setq key (events-to-keys
5598 (read-key-sequence "Describe key: "))))
5599 (setq unread-command-events
5601 (lambda (x) (if (>= x 128) (list 'meta (- x 128)) x))
5603 (setq key (read-key-sequence "Describe key: "))))
5605 (describe-key key)))
5607 (defun gnus-article-describe-key-briefly (key &optional insert)
5608 "Display documentation of the function invoked by KEY. KEY is a string."
5609 (interactive "kDescribe key: \nP")
5610 (gnus-article-check-buffer)
5611 (if (eq (key-binding key) 'gnus-article-read-summary-keys)
5613 (set-buffer gnus-article-current-summary)
5614 (let (gnus-pick-mode)
5615 (if (featurep 'xemacs)
5617 (push (elt key 0) unread-command-events)
5618 (setq key (events-to-keys
5619 (read-key-sequence "Describe key: "))))
5620 (setq unread-command-events
5622 (lambda (x) (if (>= x 128) (list 'meta (- x 128)) x))
5624 (setq key (read-key-sequence "Describe key: "))))
5625 (describe-key-briefly key insert))
5626 (describe-key-briefly key insert)))
5628 (defun gnus-article-reply-with-original (&optional wide)
5629 "Start composing a reply mail to the current message.
5630 The text in the region will be yanked. If the region isn't active,
5631 the entire article will be yanked."
5633 (let ((article (cdr gnus-article-current))
5635 (if (not (gnus-region-active-p))
5636 (with-current-buffer gnus-summary-buffer
5637 (gnus-summary-reply (list (list article)) wide))
5638 (setq contents (buffer-substring (point) (mark t)))
5639 ;; Deactivate active regions.
5640 (when (and (boundp 'transient-mark-mode)
5641 transient-mark-mode)
5642 (setq mark-active nil))
5643 (with-current-buffer gnus-summary-buffer
5645 (list (list article contents)) wide)))))
5647 (defun gnus-article-followup-with-original ()
5648 "Compose a followup to the current article.
5649 The text in the region will be yanked. If the region isn't active,
5650 the entire article will be yanked."
5652 (let ((article (cdr gnus-article-current))
5654 (if (not (gnus-region-active-p))
5655 (with-current-buffer gnus-summary-buffer
5656 (gnus-summary-followup (list (list article))))
5657 (setq contents (buffer-substring (point) (mark t)))
5658 ;; Deactivate active regions.
5659 (when (and (boundp 'transient-mark-mode)
5660 transient-mark-mode)
5661 (setq mark-active nil))
5662 (with-current-buffer gnus-summary-buffer
5663 (gnus-summary-followup
5664 (list (list article contents)))))))
5666 (defun gnus-article-hide (&optional arg force)
5667 "Hide all the gruft in the current article.
5668 This means that signatures, cited text and (some) headers will be
5670 If given a prefix, show the hidden text instead."
5671 (interactive (append (gnus-article-hidden-arg) (list 'force)))
5672 (gnus-article-hide-headers arg)
5673 (gnus-article-hide-list-identifiers arg)
5674 (gnus-article-hide-citation-maybe arg force)
5675 (gnus-article-hide-signature arg))
5677 (defun gnus-article-maybe-highlight ()
5678 "Do some article highlighting if article highlighting is requested."
5679 (when (gnus-visual-p 'article-highlight 'highlight)
5680 (gnus-article-highlight-some)))
5682 (defun gnus-check-group-server ()
5683 ;; Make sure the connection to the server is alive.
5684 (unless (gnus-server-opened
5685 (gnus-find-method-for-group gnus-newsgroup-name))
5686 (gnus-check-server (gnus-find-method-for-group gnus-newsgroup-name))
5687 (gnus-request-group gnus-newsgroup-name t)))
5690 (autoload 'nneething-get-file-name "nneething"))
5692 (defun gnus-request-article-this-buffer (article group)
5693 "Get an article and insert it into this buffer."
5694 (let (do-update-line sparse-header)
5698 (gnus-kill-all-overlays)
5699 (setq group (or group gnus-newsgroup-name))
5701 ;; Using `gnus-request-article' directly will insert the article into
5702 ;; `nntp-server-buffer' - so we'll save some time by not having to
5703 ;; copy it from the server buffer into the article buffer.
5705 ;; We only request an article by message-id when we do not have the
5706 ;; headers for it, so we'll have to get those.
5707 (when (stringp article)
5708 (gnus-read-header article))
5710 ;; If the article number is negative, that means that this article
5711 ;; doesn't belong in this newsgroup (possibly), so we find its
5712 ;; message-id and request it by id instead of number.
5713 (when (and (numberp article)
5715 (get-buffer gnus-summary-buffer)
5716 (gnus-buffer-exists-p gnus-summary-buffer))
5718 (set-buffer gnus-summary-buffer)
5719 (let ((header (gnus-summary-article-header article)))
5722 ((memq article gnus-newsgroup-sparse)
5723 ;; This is a sparse gap article.
5724 (setq do-update-line article)
5725 (setq article (mail-header-id header))
5726 (setq sparse-header (gnus-read-header article))
5727 (setq gnus-newsgroup-sparse
5728 (delq article gnus-newsgroup-sparse)))
5730 ;; It's a real article.
5731 (setq article (mail-header-id header)))
5733 ;; It is an extracted pseudo-article.
5734 (setq article 'pseudo)
5735 (gnus-request-pseudo-article header))))
5737 (let ((method (gnus-find-method-for-group
5738 gnus-newsgroup-name)))
5739 (when (and (eq (car method) 'nneething)
5741 (let ((dir (nneething-get-file-name
5742 (mail-header-id header))))
5743 (when (and (stringp dir)
5744 (file-directory-p dir))
5745 (setq article 'nneething)
5746 (gnus-group-enter-directory dir))))))))
5749 ;; Refuse to select canceled articles.
5750 ((and (numberp article)
5752 (get-buffer gnus-summary-buffer)
5753 (gnus-buffer-exists-p gnus-summary-buffer)
5754 (eq (cdr (with-current-buffer gnus-summary-buffer
5755 (assq article gnus-newsgroup-reads)))
5756 gnus-canceled-mark))
5758 ;; We first check `gnus-original-article-buffer'.
5759 ((and (get-buffer gnus-original-article-buffer)
5761 (with-current-buffer gnus-original-article-buffer
5762 (and (equal (car gnus-original-article) group)
5763 (eq (cdr gnus-original-article) article))))
5764 (insert-buffer-substring gnus-original-article-buffer)
5766 ;; Check the backlog.
5767 ((and gnus-keep-backlog
5768 (gnus-backlog-request-article group article (current-buffer)))
5770 ;; Check asynchronous pre-fetch.
5771 ((gnus-async-request-fetched-article group article (current-buffer))
5772 (gnus-async-prefetch-next group article gnus-summary-buffer)
5773 (when (and (numberp article) gnus-keep-backlog)
5774 (gnus-backlog-enter-article group article (current-buffer)))
5777 ((and gnus-use-cache
5779 (gnus-cache-request-article article group))
5781 ;; Check the agent cache.
5782 ((gnus-agent-request-article article group)
5784 ;; Get the article and put into the article buffer.
5785 ((or (stringp article)
5787 (let ((gnus-override-method gnus-override-method)
5788 (methods (and (stringp article)
5789 gnus-refer-article-method))
5790 (backend (car (gnus-find-method-for-group
5791 gnus-newsgroup-name)))
5793 (buffer-read-only nil))
5794 (if (or (not (listp methods))
5795 (and (symbolp (car methods))
5796 (assq (car methods) nnoo-definition-alist)))
5797 (setq methods (list methods)))
5798 (when (and (null gnus-override-method)
5800 (setq gnus-override-method (pop methods)))
5802 (when (eq gnus-override-method 'current)
5803 (setq gnus-override-method
5804 (with-current-buffer gnus-summary-buffer
5805 gnus-current-select-method)))
5807 (gnus-kill-all-overlays)
5808 (let ((gnus-newsgroup-name group))
5809 (gnus-check-group-server))
5811 ((gnus-request-article article group (current-buffer))
5812 (when (numberp article)
5813 (gnus-async-prefetch-next group article
5814 gnus-summary-buffer)
5815 (when gnus-keep-backlog
5816 (gnus-backlog-enter-article
5817 group article (current-buffer))))
5818 (setq result 'article))
5820 (setq gnus-override-method (pop methods)))
5821 ((not (string-match "^400 "
5822 (nnheader-get-report backend)))
5823 ;; If we get 400 server disconnect, reconnect and
5824 ;; retry; otherwise, assume the article has expired.
5825 (setq result 'done))))
5826 (and (eq result 'article) 'article)))
5830 ;; Associate this article with the current summary buffer.
5831 (setq gnus-article-current-summary gnus-summary-buffer)
5833 ;; Take the article from the original article buffer
5834 ;; and place it in the buffer it's supposed to be in.
5835 (when (and (get-buffer gnus-article-buffer)
5836 (equal (buffer-name (current-buffer))
5837 (buffer-name (get-buffer gnus-article-buffer))))
5839 (if (get-buffer gnus-original-article-buffer)
5840 (set-buffer gnus-original-article-buffer)
5841 (set-buffer (gnus-get-buffer-create gnus-original-article-buffer))
5842 (buffer-disable-undo)
5843 (setq major-mode 'gnus-original-article-mode)
5844 (setq buffer-read-only t))
5845 (let (buffer-read-only)
5847 (insert-buffer-substring gnus-article-buffer))
5848 (setq gnus-original-article (cons group article)))
5851 (run-hooks 'gnus-article-decode-hook)
5852 ;; Mark article as decoded or not.
5853 (setq gnus-article-decoded-p gnus-article-decode-hook))
5855 ;; Update sparse articles.
5856 (when (and do-update-line
5857 (or (numberp article)
5859 (let ((buf (current-buffer)))
5860 (set-buffer gnus-summary-buffer)
5861 (gnus-summary-update-article do-update-line sparse-header)
5862 (gnus-summary-goto-subject do-update-line nil t)
5863 (set-window-point (gnus-get-buffer-window (current-buffer) t)
5865 (set-buffer buf))))))
5871 (defcustom gnus-article-edit-mode-hook nil
5872 "Hook run in article edit mode buffers."
5873 :group 'gnus-article-various
5876 (defcustom gnus-article-edit-article-setup-function
5877 'gnus-article-mime-edit-article-setup
5878 "Function called to setup an editing article buffer."
5879 :group 'gnus-article-various
5882 (defvar gnus-article-edit-done-function nil)
5884 (defvar gnus-article-edit-mode-map nil)
5886 ;; Should we be using derived.el for this?
5887 (unless gnus-article-edit-mode-map
5888 (setq gnus-article-edit-mode-map (make-keymap))
5889 (set-keymap-parent gnus-article-edit-mode-map text-mode-map)
5891 (gnus-define-keys gnus-article-edit-mode-map
5892 "\C-c?" describe-mode
5893 "\C-c\C-c" gnus-article-edit-done
5894 "\C-c\C-k" gnus-article-edit-exit
5895 "\C-c\C-f\C-t" message-goto-to
5896 "\C-c\C-f\C-o" message-goto-from
5897 "\C-c\C-f\C-b" message-goto-bcc
5898 ;;"\C-c\C-f\C-w" message-goto-fcc
5899 "\C-c\C-f\C-c" message-goto-cc
5900 "\C-c\C-f\C-s" message-goto-subject
5901 "\C-c\C-f\C-r" message-goto-reply-to
5902 "\C-c\C-f\C-n" message-goto-newsgroups
5903 "\C-c\C-f\C-d" message-goto-distribution
5904 "\C-c\C-f\C-f" message-goto-followup-to
5905 "\C-c\C-f\C-m" message-goto-mail-followup-to
5906 "\C-c\C-f\C-k" message-goto-keywords
5907 "\C-c\C-f\C-u" message-goto-summary
5908 "\C-c\C-f\C-i" message-insert-or-toggle-importance
5909 "\C-c\C-f\C-a" message-generate-unsubscribed-mail-followup-to
5910 "\C-c\C-b" message-goto-body
5911 "\C-c\C-i" message-goto-signature
5913 "\C-c\C-t" message-insert-to
5914 "\C-c\C-n" message-insert-newsgroups
5915 "\C-c\C-o" message-sort-headers
5916 "\C-c\C-e" message-elide-region
5917 "\C-c\C-v" message-delete-not-region
5918 "\C-c\C-z" message-kill-to-signature
5919 "\M-\r" message-newline-and-reformat
5920 "\C-c\C-a" mml-attach-file
5921 "\C-a" message-beginning-of-line
5923 "\M-;" comment-region)
5925 (gnus-define-keys (gnus-article-edit-wash-map
5926 "\C-c\C-w" gnus-article-edit-mode-map)
5927 "f" gnus-article-edit-full-stops))
5930 gnus-article-edit-mode-field-menu gnus-article-edit-mode-map ""
5932 ["Fetch To" message-insert-to t]
5933 ["Fetch Newsgroups" message-insert-newsgroups t]
5935 ["To" message-goto-to t]
5936 ["From" message-goto-from t]
5937 ["Subject" message-goto-subject t]
5938 ["Cc" message-goto-cc t]
5939 ["Reply-To" message-goto-reply-to t]
5940 ["Summary" message-goto-summary t]
5941 ["Keywords" message-goto-keywords t]
5942 ["Newsgroups" message-goto-newsgroups t]
5943 ["Followup-To" message-goto-followup-to t]
5944 ["Mail-Followup-To" message-goto-mail-followup-to t]
5945 ["Distribution" message-goto-distribution t]
5946 ["Body" message-goto-body t]
5947 ["Signature" message-goto-signature t]))
5949 (define-derived-mode gnus-article-edit-mode text-mode "Article Edit"
5950 "Major mode for editing articles.
5951 This is an extended text-mode.
5953 \\{gnus-article-edit-mode-map}"
5954 (make-local-variable 'gnus-article-edit-done-function)
5955 (make-local-variable 'gnus-prev-winconf)
5956 (set (make-local-variable 'font-lock-defaults)
5957 '(message-font-lock-keywords t))
5958 (set (make-local-variable 'mail-header-separator) "")
5959 (set (make-local-variable 'gnus-article-edit-mode) t)
5960 (easy-menu-add message-mode-field-menu message-mode-map)
5961 (setq buffer-read-only nil)
5962 (buffer-enable-undo)
5965 (defun gnus-article-edit (&optional force)
5966 "Edit the current article.
5967 This will have permanent effect only in mail groups.
5968 If FORCE is non-nil, allow editing of articles even in read-only
5971 (when (and (not force)
5972 (gnus-group-read-only-p))
5973 (error "The current newsgroup does not support article editing"))
5974 (gnus-article-date-original)
5975 (gnus-article-edit-article
5977 `(lambda (no-highlight)
5979 (gnus-summary-edit-article-done
5980 ,(or (mail-header-references gnus-current-headers) "")
5981 ,(gnus-group-read-only-p) ,gnus-summary-buffer no-highlight))))
5983 (defun gnus-article-edit-article (start-func exit-func)
5984 "Start editing the contents of the current article buffer."
5985 (let ((winconf (current-window-configuration)))
5986 (set-buffer gnus-article-buffer)
5987 (gnus-article-edit-mode)
5988 (funcall start-func)
5989 (set-buffer-modified-p nil)
5990 (gnus-configure-windows 'edit-article)
5991 (setq gnus-article-edit-done-function exit-func)
5992 (setq gnus-prev-winconf winconf)
5993 (when gnus-article-edit-article-setup-function
5994 (funcall gnus-article-edit-article-setup-function))
5995 (gnus-message 6 "C-c C-c to end edits; C-c C-k to exit")))
5997 (defun gnus-article-edit-done (&optional arg)
5998 "Update the article edits and exit."
6000 (let ((func gnus-article-edit-done-function)
6001 (buf (current-buffer))
6002 (start (window-start))
6004 (winconf gnus-prev-winconf))
6005 (remove-hook 'gnus-article-mode-hook
6006 'gnus-article-mime-edit-article-unwind)
6007 (widen) ;; Widen it in case that users narrowed the buffer.
6010 ;; The cache and backlog have to be flushed somewhat.
6011 (when gnus-keep-backlog
6012 (gnus-backlog-remove-article
6013 (car gnus-article-current) (cdr gnus-article-current)))
6014 ;; Flush original article as well.
6016 (when (get-buffer gnus-original-article-buffer)
6017 (set-buffer gnus-original-article-buffer)
6018 (setq gnus-original-article nil)))
6019 (when gnus-use-cache
6020 (gnus-cache-update-article
6021 (car gnus-article-current) (cdr gnus-article-current)))
6022 ;; We remove all text props from the article buffer.
6023 (kill-all-local-variables)
6024 (set-text-properties (point-min) (point-max) nil)
6026 (set-window-configuration winconf)
6028 (set-window-start (get-buffer-window buf) start)
6029 (set-window-point (get-buffer-window buf) (point)))
6030 (gnus-summary-show-article))
6032 (defun gnus-article-edit-exit ()
6033 "Exit the article editing without updating."
6035 (when (or (not (buffer-modified-p))
6036 (yes-or-no-p "Article modified; kill anyway? "))
6037 (let ((curbuf (current-buffer))
6039 (window-start (window-start)))
6041 (if (gnus-buffer-live-p gnus-original-article-buffer)
6042 (insert-buffer-substring gnus-original-article-buffer))
6043 (let ((winconf gnus-prev-winconf))
6044 (kill-all-local-variables)
6046 (set-window-configuration winconf)
6047 ;; Tippy-toe some to make sure that point remains where it was.
6048 (save-current-buffer
6050 (set-window-start (get-buffer-window (current-buffer)) window-start)
6052 (gnus-summary-show-article)))
6054 (defun gnus-article-edit-full-stops ()
6055 "Interactively repair spacing at end of sentences."
6058 (goto-char (point-min))
6059 (search-forward-regexp "^$" nil t)
6060 (let ((case-fold-search nil))
6061 (query-replace-regexp "\\([.!?][])}]* \\)\\([[({A-Z]\\)" "\\1 \\2"))))
6064 ;;; Article editing with MIME-Edit
6067 (defcustom gnus-article-mime-edit-article-setup-hook nil
6068 "Hook run after setting up a MIME editing article buffer."
6069 :group 'gnus-article-various
6072 (defun gnus-article-mime-edit-article-unwind ()
6073 "Unwind `gnus-article-buffer' if article editing was given up."
6074 (remove-hook 'gnus-article-mode-hook 'gnus-article-mime-edit-article-unwind)
6075 (when (featurep 'font-lock)
6076 (setq font-lock-defaults nil)
6077 (font-lock-mode -1))
6078 (when mime-edit-mode-flag
6079 (mime-edit-exit 'nomime 'no-error)
6082 (defun gnus-article-mime-edit-article-setup ()
6083 "Convert current buffer to MIME-Edit buffer and turn on MIME-Edit mode
6084 after replacing with the original article."
6085 (setq gnus-show-mime t)
6086 (setq gnus-article-edit-done-function
6087 `(lambda (&rest args)
6088 (when mime-edit-mode-flag
6089 (let (mime-edit-insert-user-agent-field)
6092 (goto-char (point-min))
6093 (let (case-fold-search)
6094 (when (re-search-forward
6095 (format "^%s$" (regexp-quote mail-header-separator))
6097 (replace-match "")))
6098 (apply ,gnus-article-edit-done-function args)
6101 (buffer-substring-no-properties (point-min) (point-max))
6102 (set-buffer (get-buffer-create gnus-original-article-buffer))
6104 (setq gnus-current-headers (gnus-article-make-full-mail-header))
6105 (set-buffer gnus-article-buffer)
6106 (gnus-article-prepare-display)))
6107 (substitute-key-definition 'gnus-article-edit-done
6108 'gnus-article-mime-edit-done
6109 gnus-article-edit-mode-map)
6110 (substitute-key-definition 'gnus-article-edit-exit
6111 'gnus-article-mime-edit-exit
6112 gnus-article-edit-mode-map)
6114 (insert-buffer-substring gnus-original-article-buffer)
6115 (unless (member (with-current-buffer gnus-summary-buffer
6116 gnus-newsgroup-name)
6117 '("nndraft:delayed" "nndraft:drafts"))
6118 (let ((ofn (symbol-function 'mime-edit-decode-single-part-in-buffer)))
6119 (fset 'mime-edit-decode-single-part-in-buffer
6120 (lambda (&rest args)
6121 (if (let ((content-type (car args)))
6122 (and (eq 'message (mime-content-type-primary-type
6124 (eq 'rfc822 (mime-content-type-subtype
6126 (setcar (cdr args) 'not-decode-text))
6130 (fset 'mime-edit-decode-single-part-in-buffer ofn))))
6131 (when (featurep 'font-lock)
6132 (set (make-local-variable 'font-lock-defaults)
6133 '(message-font-lock-keywords t))
6134 (font-lock-set-defaults)
6135 (turn-on-font-lock))
6136 (set-buffer-modified-p nil)
6137 (delete-other-windows)
6138 (add-hook 'gnus-article-mode-hook 'gnus-article-mime-edit-article-unwind)
6139 (gnus-run-hooks 'gnus-article-mime-edit-article-setup-hook))
6141 (defun gnus-article-mime-edit-done (&optional arg)
6142 "Update the article MIME edits and exit."
6144 (when (featurep 'font-lock)
6145 (setq font-lock-defaults nil)
6146 (font-lock-mode -1))
6147 (let ((inhibit-read-only t))
6148 (gnus-article-edit-done arg)))
6150 (defun gnus-article-mime-edit-exit ()
6151 "Exit the article MIME editing without updating."
6153 (when (or (not (buffer-modified-p))
6154 (yes-or-no-p "Article modified; kill anyway? "))
6155 (when (featurep 'font-lock)
6156 (setq font-lock-defaults nil)
6157 (font-lock-mode -1))
6158 (when mime-edit-mode-flag
6159 (let (mime-edit-insert-user-agent-field)
6162 (goto-char (point-min))
6163 (let (case-fold-search)
6164 (when (re-search-forward
6165 (format "^%s$" (regexp-quote mail-header-separator)) nil t)
6166 (replace-match "")))
6167 (let ((winconf gnus-prev-winconf))
6169 (buffer-substring-no-properties (point-min) (point-max))
6170 (set-buffer (get-buffer-create gnus-original-article-buffer))
6172 (setq gnus-current-headers (gnus-article-make-full-mail-header))
6173 (set-buffer gnus-article-buffer)
6174 (gnus-article-prepare-display)
6175 (set-window-configuration winconf))))
6178 ;;; Article highlights
6181 ;; Written by Per Abrahamsen <abraham@iesd.auc.dk>.
6183 ;;; Internal Variables:
6185 (defcustom gnus-button-url-regexp
6186 (if (string-match "[[:digit:]]" "1") ;; support POSIX?
6187 "\\b\\(\\(www\\.\\|\\(s?https?\\|ftp\\|file\\|gopher\\|nntp\\|news\\|telnet\\|wais\\|mailto\\|info\\):\\)\\(//[-a-z0-9_.]+:[0-9]*\\)?[-a-z0-9_=!?#$@~%&*+\\/:;.,[:word:]]+[-a-z0-9_=#$@~%&*+\\/[:word:]]\\)"
6188 "\\b\\(\\(www\\.\\|\\(s?https?\\|ftp\\|file\\|gopher\\|nntp\\|news\\|telnet\\|wais\\|mailto\\|info\\):\\)\\(//[-a-z0-9_.]+:[0-9]*\\)?\\([-a-z0-9_=!?#$@~%&*+\\/:;.,]\\|\\w\\)+\\([-a-z0-9_=#$@~%&*+\\/]\\|\\w\\)\\)")
6189 "Regular expression that matches URLs."
6190 :group 'gnus-article-buttons
6193 (defcustom gnus-button-valid-fqdn-regexp
6194 message-valid-fqdn-regexp
6195 "Regular expression that matches a valid FQDN."
6196 :group 'gnus-article-buttons
6199 (defcustom gnus-button-man-handler 'manual-entry
6200 "Function to use for displaying man pages.
6201 The function must take at least one argument with a string naming the
6203 :type '(choice (function-item :tag "Man" manual-entry)
6204 (function-item :tag "Woman" woman)
6205 (function :tag "Other"))
6206 :group 'gnus-article-buttons)
6208 (defcustom gnus-ctan-url "http://tug.ctan.org/tex-archive/"
6209 "Top directory of a CTAN \(Comprehensive TeX Archive Network\) archive.
6210 If the default site is too slow, try to find a CTAN mirror, see
6211 <URL:http://tug.ctan.org/tex-archive/CTAN.sites?action=/index.html>. See also
6212 the variable `gnus-button-handle-ctan'."
6213 :group 'gnus-article-buttons
6214 :link '(custom-manual "(gnus)Group Parameters")
6215 :type '(choice (const "http://www.tex.ac.uk/tex-archive/")
6216 (const "http://tug.ctan.org/tex-archive/")
6217 (const "http://www.dante.de/CTAN/")
6218 (string :tag "Other")))
6220 (defcustom gnus-button-ctan-handler 'browse-url
6221 "Function to use for displaying CTAN links.
6222 The function must take one argument, the string naming the URL."
6223 :type '(choice (function-item :tag "Browse Url" browse-url)
6224 (function :tag "Other"))
6225 :group 'gnus-article-buttons)
6227 (defcustom gnus-button-handle-ctan-bogus-regexp "^/?tex-archive/\\|^/"
6228 "Bogus strings removed from CTAN URLs."
6229 :group 'gnus-article-buttons
6230 :type '(choice (const "^/?tex-archive/\\|/")
6231 (regexp :tag "Other")))
6233 (defcustom gnus-button-ctan-directory-regexp
6236 "biblio\\|digests\\|dviware\\|fonts\\|graphics\\|help\\|"
6237 "indexing\\|info\\|language\\|macros\\|support\\|systems\\|"
6238 "tds\\|tools\\|usergrps\\|web\\|nonfree\\|obsolete"
6240 "Regular expression for ctan directories.
6241 It should match all directories in the top level of `gnus-ctan-url'."
6242 :group 'gnus-article-buttons
6245 (defcustom gnus-button-mid-or-mail-regexp
6246 (concat "\\b\\(<?[a-z0-9$%(*-=?[_][^<>\")!;:,{}\n\t ]*@"
6247 ;; Felix Wiemann in <87oeuomcz9.fsf@news2.ososo.de>
6248 gnus-button-valid-fqdn-regexp
6250 "Regular expression that matches a message ID or a mail address."
6251 :group 'gnus-article-buttons
6254 (defcustom gnus-button-prefer-mid-or-mail 'gnus-button-mid-or-mail-heuristic
6255 "What to do when the button on a string as \"foo123@bar.invalid\" is pushed.
6256 Strings like this can be either a message ID or a mail address. If it is one
6257 of the symbols `mid' or `mail', Gnus will always assume that the string is a
6258 message ID or a mail address, respectively. If this variable is set to the
6259 symbol `ask', always query the user what do do. If it is a function, this
6260 function will be called with the string as it's only argument. The function
6261 must return `mid', `mail', `invalid' or `ask'."
6262 :group 'gnus-article-buttons
6263 :type '(choice (function-item :tag "Heuristic function"
6264 gnus-button-mid-or-mail-heuristic)
6269 (defcustom gnus-button-mid-or-mail-heuristic-alist
6270 '((-10.0 . ".+\\$.+@")
6273 (-5.0 . "\\+[^+]*\\+.*@") ;; # two plus signs
6274 (-5.0 . "@[Nn][Ee][Ww][Ss]") ;; /\@news/i
6275 (-5.0 . "@.*[Dd][Ii][Aa][Ll][Uu][Pp]") ;; /\@.*dialup/i;
6276 (-1.0 . "^[^a-z]+@")
6278 (-5.0 . "\\.[0-9][0-9]+.*@") ;; "\.[0-9]{2,}.*\@"
6279 (-5.0 . "[a-z].*[A-Z].*[a-z].*[A-Z].*@") ;; "([a-z].*[A-Z].*){2,}\@"
6280 (-3.0 . "[A-Z][A-Z][a-z][a-z].*@")
6281 (-5.0 . "\\...?.?@") ;; (-5.0 . "\..{1,3}\@")
6284 (-1.0 . "^[0-9][0-9]")
6286 ;; -3.0 /^[0-9][0-9a-fA-F]{2,2}/;
6287 (-3.0 . "^[0-9][0-9a-fA-F][0-9a-fA-F][^0-9a-fA-F]")
6288 ;; -5.0 /^[0-9][0-9a-fA-F]{3,3}/;
6289 (-5.0 . "^[0-9][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][^0-9a-fA-F]")
6291 (-3.0 . "[0-9][0-9][0-9][0-9][0-9][^0-9].*@") ;; "[0-9]{5,}.*\@"
6292 (-3.0 . "[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][^0-9].*@")
6295 . "[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9].*@")
6297 ;; compensation for TDMA dated mail addresses:
6298 (25.0 . "-dated-[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]+.*@")
6300 (-20.0 . "\\.fsf@") ;; Gnus
6303 (-20.0 . "_-_") ;; Subject change in thread
6305 (-20.0 . "\\.ln@") ;; leafnode
6306 (-30.0 . "@ID-[0-9]+\\.[a-zA-Z]+\\.dfncis\\.de")
6307 (-30.0 . "@4[Aa][Xx]\\.com") ;; Forte Agent
6309 ;; (5.0 . "") ;; $local_part_len <= 7
6310 (10.0 . "^[^0-9]+@")
6311 (3.0 . "^[^0-9]+[0-9][0-9]?[0-9]?@")
6312 ;; ^[^0-9]+[0-9]{1,3}\@ digits only at end of local part
6315 (2.0 . "[a-z][a-z][._-][A-Z][a-z].*@")
6317 (0.5 . "^[A-Z][a-z]")
6318 (0.5 . "^[A-Z][a-z][a-z]")
6319 (1.5 . "^[A-Z][a-z][A-Z][a-z][^a-z]") ;; ^[A-Z][a-z]{3,3}
6320 (2.0 . "^[A-Z][a-z][A-Z][a-z][a-z][^a-z]")) ;; ^[A-Z][a-z]{4,4}
6321 "An alist of \(RATE . REGEXP\) pairs for `gnus-button-mid-or-mail-heuristic'.
6323 A negative RATE indicates a message IDs, whereas a positive indicates a mail
6324 address. The REGEXP is processed with `case-fold-search' set to nil."
6325 :group 'gnus-article-buttons
6326 :type '(repeat (cons (number :tag "Rate")
6327 (regexp :tag "Regexp"))))
6329 (defun gnus-button-mid-or-mail-heuristic (mid-or-mail)
6330 "Guess whether MID-OR-MAIL is a message ID or a mail address.
6331 Returns `mid' if MID-OR-MAIL is a message IDs, `mail' if it's a mail
6332 address, `ask' if unsure and `invalid' if the string is invalid."
6333 (let ((case-fold-search nil)
6334 (list gnus-button-mid-or-mail-heuristic-alist)
6335 (result 0) rate regexp lpartlen elem)
6337 (length (gnus-replace-in-string mid-or-mail "^\\(.*\\)@.*$" "\\1")))
6338 (gnus-message 8 "`%s', length of local part=`%s'." mid-or-mail lpartlen)
6339 ;; Certain special cases...
6342 "^0[0-9]+-[0-9][0-9][0-9][0-9]@t-online\\.de$\\|"
6343 "^[0-9]+\\.[0-9]+@compuserve\\|"
6344 "@public\\.gmane\\.org")
6346 (gnus-message 8 "`%s' is a known mail address." mid-or-mail)
6347 (setq result 'mail))
6348 (when (string-match "@.*@\\| " mid-or-mail)
6349 (gnus-message 8 "`%s' is invalid." mid-or-mail)
6350 (setq result 'invalid))
6351 ;; Nothing more to do, if result is not a number here...
6352 (when (numberp result)
6354 (setq elem (car list)
6358 (when (string-match regexp mid-or-mail)
6359 (setq result (+ result rate))
6361 9 "`%s' matched `%s', rate `%s', result `%s'."
6362 mid-or-mail regexp rate result)))
6363 (when (<= lpartlen 7)
6364 (setq result (+ result 5.0))
6365 (gnus-message 9 "`%s' matched (<= lpartlen 7), result `%s'."
6366 mid-or-mail result))
6367 (when (>= lpartlen 12)
6368 (gnus-message 9 "`%s' matched (>= lpartlen 12)" mid-or-mail)
6370 ((string-match "[0-9][^0-9]+[0-9].*@" mid-or-mail)
6371 ;; Long local part should contain realname if e-mail address,
6372 ;; too many digits: message-id.
6373 ;; $score -= 5.0 + 0.1 * $local_part_len;
6374 (setq rate (* -1.0 (+ 5.0 (* 0.1 lpartlen))))
6375 (setq result (+ result rate))
6377 9 "Many digits in `%s', rate `%s', result `%s'."
6378 mid-or-mail rate result))
6379 ((string-match "[^aeiouy][^aeiouy][^aeiouy][^aeiouy]+.*\@"
6381 ;; Too few vowels [^aeiouy]{4,}.*\@
6382 (setq result (+ result -5.0))
6384 9 "Few vowels in `%s', rate `%s', result `%s'."
6385 mid-or-mail -5.0 result))
6387 (setq result (+ result 5.0))
6389 9 "`%s', rate `%s', result `%s'." mid-or-mail 5.0 result)))))
6390 (gnus-message 8 "`%s': Final rate is `%s'." mid-or-mail result)
6391 ;; Maybe we should make this a customizable alist: (condition . 'result)
6393 ((symbolp result) result)
6394 ;; Now convert number into proper results:
6395 ((< result -10.0) 'mid)
6396 ((> result 10.0) 'mail)
6399 (defun gnus-button-handle-mid-or-mail (mid-or-mail)
6400 (let* ((pref gnus-button-prefer-mid-or-mail) guessed
6401 (url-mid (concat "news" ":" mid-or-mail))
6402 (url-mailto (concat "mailto" ":" mid-or-mail)))
6403 (gnus-message 9 "mid-or-mail=%s" mid-or-mail)
6404 (when (fboundp pref)
6406 ;; get rid of surrounding angles...
6408 (gnus-replace-in-string mid-or-mail "^<\\|>$" "")))
6409 (if (or (eq 'mid guessed) (eq 'mail guessed))
6413 (save-window-excursion
6414 (if (y-or-n-p (concat "Is <" mid-or-mail "> a mail address? "))
6417 (cond ((eq pref 'mid)
6418 (gnus-message 8 "calling `gnus-button-handle-news' %s" url-mid)
6419 (gnus-button-handle-news url-mid))
6421 (gnus-message 8 "calling `gnus-url-mailto' %s" url-mailto)
6422 (gnus-url-mailto url-mailto))
6423 (t (gnus-message 3 "Invalid string.")))))
6425 (defun gnus-button-handle-custom (url)
6426 "Follow a Custom URL."
6427 (customize-apropos (gnus-url-unhex-string url)))
6429 (defvar gnus-button-handle-describe-prefix "^\\(C-h\\|<?[Ff]1>?\\)")
6431 ;; FIXME: Maybe we should merge some of the functions that do quite similar
6434 (defun gnus-button-handle-describe-function (url)
6435 "Call `describe-function' when pushing the corresponding URL button."
6438 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))))
6440 (defun gnus-button-handle-describe-variable (url)
6441 "Call `describe-variable' when pushing the corresponding URL button."
6444 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))))
6446 (defun gnus-button-handle-symbol (url)
6447 "Display help on variable or function.
6448 Calls `describe-variable' or `describe-function'."
6449 (let ((sym (intern url)))
6451 ((fboundp sym) (describe-function sym))
6452 ((boundp sym) (describe-variable sym))
6453 (t (gnus-message 3 "`%s' is not a known function of variable." url)))))
6455 (defun gnus-button-handle-describe-key (url)
6456 "Call `describe-key' when pushing the corresponding URL button."
6458 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))
6459 (keys (ignore-errors (eval `(kbd ,key-string)))))
6462 (gnus-message 3 "Invalid key sequence in button: %s" key-string))))
6464 (defun gnus-button-handle-apropos (url)
6465 "Call `apropos' when pushing the corresponding URL button."
6466 (apropos (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6468 (defun gnus-button-handle-apropos-command (url)
6469 "Call `apropos' when pushing the corresponding URL button."
6471 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6473 (defun gnus-button-handle-apropos-variable (url)
6474 "Call `apropos' when pushing the corresponding URL button."
6476 (if (fboundp 'apropos-variable) 'apropos-variable 'apropos)
6477 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6479 (defun gnus-button-handle-apropos-documentation (url)
6480 "Call `apropos' when pushing the corresponding URL button."
6482 (if (fboundp 'apropos-documentation) 'apropos-documentation 'apropos)
6483 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6485 (defun gnus-button-handle-library (url)
6486 "Call `locate-library' when pushing the corresponding URL button."
6487 (gnus-message 9 "url=`%s'" url)
6488 (let* ((lib (locate-library url))
6489 (file (gnus-replace-in-string (or lib "") "\.elc" ".el")))
6491 (gnus-message 1 "Cannot locale library `%s'." url)
6492 (find-file-read-only file))))
6494 (defun gnus-button-handle-ctan (url)
6495 "Call `browse-url' when pushing a CTAN URL button."
6497 gnus-button-ctan-handler
6500 (gnus-replace-in-string url gnus-button-handle-ctan-bogus-regexp ""))))
6502 (defcustom gnus-button-tex-level 5
6503 "*Integer that says how many TeX-related buttons Gnus will show.
6504 The higher the number, the more buttons will appear and the more false
6505 positives are possible. Note that you can set this variable local to
6506 specific groups. Setting it higher in TeX groups is probably a good idea.
6507 See Info node `(gnus)Group Parameters' and the variable `gnus-parameters' on
6508 how to set variables in specific groups."
6509 :group 'gnus-article-buttons
6510 :link '(custom-manual "(gnus)Group Parameters")
6513 (defcustom gnus-button-man-level 5
6514 "*Integer that says how many man-related buttons Gnus will show.
6515 The higher the number, the more buttons will appear and the more false
6516 positives are possible. Note that you can set this variable local to
6517 specific groups. Setting it higher in Unix groups is probably a good idea.
6518 See Info node `(gnus)Group Parameters' and the variable `gnus-parameters' on
6519 how to set variables in specific groups."
6520 :group 'gnus-article-buttons
6521 :link '(custom-manual "(gnus)Group Parameters")
6524 (defcustom gnus-button-emacs-level 5
6525 "*Integer that says how many emacs-related buttons Gnus will show.
6526 The higher the number, the more buttons will appear and the more false
6527 positives are possible. Note that you can set this variable local to
6528 specific groups. Setting it higher in Emacs or Gnus related groups is
6529 probably a good idea. See Info node `(gnus)Group Parameters' and the variable
6530 `gnus-parameters' on how to set variables in specific groups."
6531 :group 'gnus-article-buttons
6532 :link '(custom-manual "(gnus)Group Parameters")
6535 (defcustom gnus-button-message-level 5
6536 "*Integer that says how many buttons for news or mail messages will appear.
6537 The higher the number, the more buttons will appear and the more false
6538 positives are possible."
6539 ;; mail addresses, MIDs, URLs for news, ...
6540 :group 'gnus-article-buttons
6543 (defcustom gnus-button-browse-level 5
6544 "*Integer that says how many buttons for browsing will appear.
6545 The higher the number, the more buttons will appear and the more false
6546 positives are possible."
6547 ;; stuff handled by `browse-url' or `gnus-button-embedded-url'
6548 :group 'gnus-article-buttons
6551 (defcustom gnus-button-alist
6552 '(("<\\(url:[>\n\t ]*?\\)?\\(nntp\\|news\\):[>\n\t ]*\\([^>\n\t ]*@[^>\n\t ]*\\)>"
6553 0 (>= gnus-button-message-level 0) gnus-button-handle-news 3)
6554 ("\\b\\(nntp\\|news\\):\\([^>\n\t ]*@[^>)!;:,\n\t ]*\\)" 0 t
6555 gnus-button-handle-news 2)
6556 ("\\(\\b<\\(url:[>\n\t ]*\\)?\\(nntp\\|news\\):[>\n\t ]*\\(//\\)?\\([^>\n\t ]*\\)>\\)"
6557 1 (>= gnus-button-message-level 0) gnus-button-fetch-group 5)
6558 ("\\b\\(nntp\\|news\\):\\(//\\)?\\([^'\">\n\t ]+\\)"
6559 0 (>= gnus-button-message-level 0) gnus-button-fetch-group 3)
6560 ;; RFC 2392 (Don't allow `/' in domain part --> CID)
6561 ("\\bmid:\\(//\\)?\\([^'\">\n\t ]+@[^'\">\n\t /]+\\)"
6562 0 (>= gnus-button-message-level 0) gnus-button-message-id 2)
6563 ("\\bin\\( +article\\| +message\\)? +\\(<\\([^\n @<>]+@[^\n @<>]+\\)>\\)"
6564 2 (>= gnus-button-message-level 0) gnus-button-message-id 3)
6565 ("\\(<URL: *\\)mailto: *\\([^> \n\t]+\\)>"
6566 0 (>= gnus-button-message-level 0) gnus-url-mailto 2)
6567 ;; RFC 2368 (The mailto URL scheme)
6568 ("\\bmailto:\\([-a-z.@_+0-9%=?&/]+\\)"
6569 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
6570 ("\\bmailto:\\([^ \n\t]+\\)"
6571 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
6573 ((concat "\\bCTAN:[ \t\n]?[^>)!;:,'\n\t ]*\\("
6574 gnus-button-ctan-directory-regexp
6575 "[^][>)!;:,'\n\t ]+\\)")
6576 0 (>= gnus-button-tex-level 1) gnus-button-handle-ctan 1)
6577 ((concat "\\btex-archive/\\("
6578 gnus-button-ctan-directory-regexp
6579 "/[-_.a-z0-9/]+[-_./a-z0-9]+[/a-z0-9]\\)")
6580 1 (>= gnus-button-tex-level 6) gnus-button-handle-ctan 1)
6583 gnus-button-ctan-directory-regexp
6584 "/[-_.a-z0-9]+/[-_./a-z0-9]+[/a-z0-9]\\)")
6585 1 (>= gnus-button-tex-level 8) gnus-button-handle-ctan 1)
6586 ;; This is info (home-grown style) <info://foo/bar+baz>
6587 ("\\binfo://\\([^'\">\n\t ]+\\)"
6588 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url 1)
6589 ;; Info GNOME style <info:foo#bar_baz>
6590 ("\\binfo:\\([^('\n\t\r \"><][^'\n\t\r \"><]*\\)"
6591 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url-gnome 1)
6592 ;; Info KDE style <info:(foo)bar baz>
6593 ("<\\(info:\\(([^)]+)[^>\n\r]*\\)\\)>"
6594 1 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url-kde 2)
6595 ("\\((Info-goto-node\\|(info\\)[ \t\n]*\\(\"[^\"]*\"\\))" 0
6596 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url 2)
6597 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+i[ \t\n]+d?[ \t\n]?m[ \t\n]+\\([^ ]+ ?[^ ]+\\)[ \t\n]+RET"
6598 ;; Info links like `C-h i d m CC Mode RET'
6599 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-keystrokes 2)
6601 ("\\bcustom:\\(//\\)?\\([^'\">\n\t ]+\\)"
6602 0 (>= gnus-button-emacs-level 5) gnus-button-handle-custom 2)
6603 ("M-x[ \t\n]customize-[^ ]+[ \t\n]RET[ \t\n]\\([^ ]+\\)[ \t\n]RET" 0
6604 (>= gnus-button-emacs-level 1) gnus-button-handle-custom 1)
6605 ;; Emacs help commands
6606 ("M-x[ \t\n]+apropos[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6607 ;; regexp doesn't match arguments containing ` '.
6608 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos 1)
6609 ("M-x[ \t\n]+apropos-command[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6610 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-command 1)
6611 ("M-x[ \t\n]+apropos-variable[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6612 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-variable 1)
6613 ("M-x[ \t\n]+apropos-documentation[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6614 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-documentation 1)
6615 ;; The following entries may lead to many false positives so don't enable
6616 ;; them by default (use a high button level):
6617 ("/\\([a-z][-a-z0-9]+\\.el\\)\\>"
6618 1 (>= gnus-button-emacs-level 8) gnus-button-handle-library 1)
6619 ("`\\([a-z][-a-z0-9]+\\.el\\)'"
6620 1 (>= gnus-button-emacs-level 8) gnus-button-handle-library 1)
6621 ("`\\([a-z][a-z0-9]+-[a-z]+-[-a-z]+\\|\\(gnus\\|message\\)-[-a-z]+\\)'"
6622 0 (>= gnus-button-emacs-level 8) gnus-button-handle-symbol 1)
6623 ("`\\([a-z][a-z0-9]+-[a-z]+\\)'"
6624 0 (>= gnus-button-emacs-level 9) gnus-button-handle-symbol 1)
6625 ("(setq[ \t\n]+\\([a-z][a-z0-9]+-[-a-z0-9]+\\)[ \t\n]+.+)"
6626 1 (>= gnus-button-emacs-level 7) gnus-button-handle-describe-variable 1)
6627 ("\\bM-x[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6628 1 (>= gnus-button-emacs-level 7) gnus-button-handle-describe-function 1)
6629 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+f[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6630 0 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-function 2)
6631 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+v[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6632 0 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-variable 2)
6633 ("`\\(\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+k[ \t\n]+\\([^']+\\)\\)'"
6634 ;; Unlike the other regexps we really have to require quoting
6635 ;; here to determine where it ends.
6636 1 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-key 3)
6637 ;; This is how URLs _should_ be embedded in text (RFC 1738, RFC 2396)...
6638 ("<URL: *\\([^<>]*\\)>"
6639 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
6640 ;; RFC 2396 (2.4.3., delims) ...
6641 ("\"URL: *\\([^\"]*\\)\""
6642 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
6643 ;; RFC 2396 (2.4.3., delims) ...
6644 ("\"URL: *\\([^\"]*\\)\""
6645 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
6647 (gnus-button-url-regexp
6648 0 (>= gnus-button-browse-level 0) browse-url 0)
6650 ("\\b\\([a-z][a-z]+([1-9])\\)\\W"
6651 0 (and (>= gnus-button-man-level 1) (< gnus-button-man-level 3))
6652 gnus-button-handle-man 1)
6653 ;; more man pages: resolv.conf(5), iso_8859-1(7), xterm(1x)
6654 ("\\b\\([a-z][-_.a-z0-9]+([1-9])\\)\\W"
6655 0 (and (>= gnus-button-man-level 3) (< gnus-button-man-level 5))
6656 gnus-button-handle-man 1)
6657 ;; even more: Apache::PerlRun(3pm), PDL::IO::FastRaw(3pm),
6658 ;; SoWWWAnchor(3iv), XSelectInput(3X11), X(1), X(7)
6659 ("\\b\\(\\(?:[a-z][-+_.:a-z0-9]+([1-9][X1a-z]*)\\)\\|\\b\\(?:X([1-9])\\)\\)\\W"
6660 0 (>= gnus-button-man-level 5) gnus-button-handle-man 1)
6661 ;; MID or mail: To avoid too many false positives we don't try to catch
6662 ;; all kind of allowed MIDs or mail addresses. Domain part must contain
6663 ;; at least one dot. TLD must contain two or three chars or be a know TLD
6664 ;; (info|name|...). Put this entry near the _end_ of `gnus-button-alist'
6665 ;; so that non-ambiguous entries (see above) match first.
6666 (gnus-button-mid-or-mail-regexp
6667 0 (>= gnus-button-message-level 5) gnus-button-handle-mid-or-mail 1))
6668 "*Alist of regexps matching buttons in article bodies.
6670 Each entry has the form (REGEXP BUTTON FORM CALLBACK PAR...), where
6671 REGEXP: is the string (case insensitive) matching text around the button (can
6672 also be Lisp expression evaluating to a string),
6673 BUTTON: is the number of the regexp grouping actually matching the button,
6674 FORM: is a Lisp expression which must eval to true for the button to
6676 CALLBACK: is the function to call when the user push this button, and each
6677 PAR: is a number of a regexp grouping whose text will be passed to CALLBACK.
6679 CALLBACK can also be a variable, in that case the value of that
6680 variable it the real callback function."
6681 :group 'gnus-article-buttons
6682 :type '(repeat (list (choice regexp variable sexp)
6683 (integer :tag "Button")
6685 (function :tag "Callback")
6688 (integer :tag "Regexp group")))))
6690 (defcustom gnus-header-button-alist
6691 '(("^\\(References\\|Message-I[Dd]\\|^In-Reply-To\\):" "<[^<>]+>"
6692 0 (>= gnus-button-message-level 0) gnus-button-message-id 0)
6693 ("^\\(From\\|Reply-To\\):" ": *\\(.+\\)$"
6694 1 (>= gnus-button-message-level 0) gnus-button-reply 1)
6695 ("^\\(Cc\\|To\\):" "[^ \t\n<>,()\"]+@[^ \t\n<>,()\"]+"
6696 0 (>= gnus-button-message-level 0) gnus-button-mailto 0)
6697 ("^X-[Uu][Rr][Ll]:" gnus-button-url-regexp
6698 0 (>= gnus-button-browse-level 0) browse-url 0)
6699 ("^Subject:" gnus-button-url-regexp
6700 0 (>= gnus-button-browse-level 0) browse-url 0)
6701 ("^[^:]+:" gnus-button-url-regexp
6702 0 (>= gnus-button-browse-level 0) browse-url 0)
6703 ("^[^:]+:" "\\bmailto:\\([-a-z.@_+0-9%=?&/]+\\)"
6704 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
6705 ("^[^:]+:" "\\(<\\(url: \\)?\\(nntp\\|news\\):\\([^>\n ]*\\)>\\)"
6706 1 (>= gnus-button-message-level 0) gnus-button-message-id 4))
6707 "*Alist of headers and regexps to match buttons in article heads.
6709 This alist is very similar to `gnus-button-alist', except that each
6710 alist has an additional HEADER element first in each entry:
6712 \(HEADER REGEXP BUTTON FORM CALLBACK PAR)
6714 HEADER is a regexp to match a header. For a fuller explanation, see
6715 `gnus-button-alist'."
6716 :group 'gnus-article-buttons
6717 :group 'gnus-article-headers
6718 :type '(repeat (list (regexp :tag "Header")
6719 (choice regexp variable)
6720 (integer :tag "Button")
6722 (function :tag "Callback")
6725 (integer :tag "Regexp group")))))
6729 (defun gnus-article-push-button (event)
6730 "Check text under the mouse pointer for a callback function.
6731 If the text under the mouse pointer has a `gnus-callback' property,
6732 call it with the value of the `gnus-data' text property."
6734 (set-buffer (window-buffer (posn-window (event-start event))))
6735 (let* ((pos (posn-point (event-start event)))
6736 (data (get-text-property pos 'gnus-data))
6737 (fun (get-text-property pos 'gnus-callback)))
6740 (funcall fun data))))
6742 (defun gnus-article-press-button ()
6743 "Check text at point for a callback function.
6744 If the text at point has a `gnus-callback' property,
6745 call it with the value of the `gnus-data' text property."
6747 (let ((data (get-text-property (point) 'gnus-data))
6748 (fun (get-text-property (point) 'gnus-callback)))
6750 (funcall fun data))))
6752 (defun gnus-article-prev-button (n)
6753 "Move point to N buttons backward.
6754 If N is negative, move forward instead."
6756 (gnus-article-next-button (- n)))
6758 (defun gnus-article-next-button (n)
6759 "Move point to N buttons forward.
6760 If N is negative, move backward instead."
6762 (let ((function (if (< n 0) 'previous-single-property-change
6763 'next-single-property-change))
6764 (inhibit-point-motion-hooks t)
6766 (limit (if (< n 0) (point-min) (point-max))))
6768 (while (and (not (= limit (point)))
6770 ;; Skip past the current button.
6771 (when (get-text-property (point) 'gnus-callback)
6772 (goto-char (funcall function (point) 'gnus-callback nil limit)))
6773 ;; Go to the next (or previous) button.
6774 (gnus-goto-char (funcall function (point) 'gnus-callback nil limit))
6775 ;; Put point at the start of the button.
6776 (when (and backward (not (get-text-property (point) 'gnus-callback)))
6777 (goto-char (funcall function (point) 'gnus-callback nil limit)))
6778 ;; Skip past intangible buttons.
6779 (when (get-text-property (point) 'intangible)
6783 (gnus-message 5 "No more buttons"))
6786 (defun gnus-article-highlight (&optional force)
6787 "Highlight current article.
6788 This function calls `gnus-article-highlight-headers',
6789 `gnus-article-highlight-citation',
6790 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
6791 do the highlighting. See the documentation for those functions."
6792 (interactive (list 'force))
6793 (gnus-article-highlight-headers)
6794 (gnus-article-highlight-citation force)
6795 (gnus-article-highlight-signature)
6796 (gnus-article-add-buttons force)
6797 (gnus-article-add-buttons-to-head))
6799 (defun gnus-article-highlight-some (&optional force)
6800 "Highlight current article.
6801 This function calls `gnus-article-highlight-headers',
6802 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
6803 do the highlighting. See the documentation for those functions."
6804 (interactive (list 'force))
6805 (gnus-article-highlight-headers)
6806 (gnus-article-highlight-signature)
6807 (gnus-article-add-buttons))
6809 (defun gnus-article-highlight-headers ()
6810 "Highlight article headers as specified by `gnus-header-face-alist'."
6812 (gnus-with-article-headers
6813 (let ((alist gnus-header-face-alist)
6814 entry regexp header-face field-face from hpoints fpoints)
6815 (while (setq entry (pop alist))
6816 (goto-char (point-min))
6817 (setq regexp (concat "^\\("
6818 (if (string-equal "" (nth 0 entry))
6822 header-face (nth 1 entry)
6823 field-face (nth 2 entry))
6824 (while (and (re-search-forward regexp nil t)
6828 (unless (search-forward ":" nil t)
6830 (when (and header-face
6831 (not (memq (point) hpoints)))
6832 (push (point) hpoints)
6833 (gnus-put-text-property from (point) 'face header-face))
6834 (when (and field-face
6835 (not (memq (setq from (point)) fpoints)))
6837 (if (re-search-forward "^[^ \t]" nil t)
6839 (goto-char (point-max)))
6840 (gnus-put-text-property from (point) 'face field-face)))))))
6842 (defun gnus-article-highlight-signature ()
6843 "Highlight the signature in an article.
6844 It does this by highlighting everything after
6845 `gnus-signature-separator' using `gnus-signature-face'."
6847 (when gnus-signature-face
6848 (gnus-with-article-buffer
6849 (let ((inhibit-point-motion-hooks t))
6851 (when (gnus-article-narrow-to-signature)
6852 (gnus-overlay-put (gnus-make-overlay (point-min) (point-max))
6853 'face gnus-signature-face)))))))
6855 (defun gnus-article-buttonize-signature ()
6856 "Add button to the signature."
6859 (set-buffer gnus-article-buffer)
6860 (let ((buffer-read-only nil)
6861 (inhibit-point-motion-hooks t))
6862 (when (gnus-article-search-signature)
6863 (gnus-article-add-button (match-beginning 0) (match-end 0)
6864 'gnus-signature-toggle
6865 (set-marker (make-marker)
6866 (1+ (match-end 0))))))))
6868 (defun gnus-button-in-region-p (b e prop)
6869 "Say whether PROP exists in the region."
6870 (text-property-not-all b e prop nil))
6872 (defun gnus-article-add-buttons (&optional force)
6873 "Find external references in the article and make buttons of them.
6874 \"External references\" are things like Message-IDs and URLs, as
6875 specified by `gnus-button-alist'."
6876 (interactive (list 'force))
6877 (gnus-with-article-buffer
6878 (let ((inhibit-point-motion-hooks t)
6879 (case-fold-search t)
6880 (alist gnus-button-alist)
6882 ;; Remove all old markers.
6883 (let (marker entry new-list)
6884 (while (setq marker (pop gnus-button-marker-list))
6885 (if (or (< marker (point-min)) (>= marker (point-max)))
6886 (push marker new-list)
6888 (when (setq entry (gnus-button-entry))
6889 (put-text-property (match-beginning (nth 1 entry))
6890 (match-end (nth 1 entry))
6891 'gnus-callback nil))
6892 (set-marker marker nil)))
6893 (setq gnus-button-marker-list new-list))
6894 ;; We skip the headers.
6897 (while (setq entry (pop alist))
6898 (setq regexp (eval (car entry)))
6900 (while (re-search-forward regexp nil t)
6901 (let* ((start (and entry (match-beginning (nth 1 entry))))
6902 (end (and entry (match-end (nth 1 entry))))
6903 (from (match-beginning 0)))
6904 (when (and (or (eq t (nth 2 entry))
6905 (eval (nth 2 entry)))
6906 (not (gnus-button-in-region-p
6907 start end 'gnus-callback)))
6908 ;; That optional form returned non-nil, so we add the
6910 (gnus-article-add-button
6911 start end 'gnus-button-push
6912 (car (push (set-marker (make-marker) from)
6913 gnus-button-marker-list))))))))))
6915 ;; Add buttons to the head of an article.
6916 (defun gnus-article-add-buttons-to-head ()
6917 "Add buttons to the head of the article."
6919 (gnus-with-article-headers
6920 (let ((alist gnus-header-button-alist)
6923 ;; Each alist entry.
6924 (setq entry (pop alist))
6925 (goto-char (point-min))
6926 (while (re-search-forward (car entry) nil t)
6927 ;; Each header matching the entry.
6928 (setq beg (match-beginning 0))
6929 (setq end (or (and (re-search-forward "^[^ \t]" nil t)
6930 (match-beginning 0))
6933 (while (re-search-forward (eval (nth 1 entry)) end t)
6934 ;; Each match within a header.
6935 (let* ((entry (cdr entry))
6936 (start (match-beginning (nth 1 entry)))
6937 (end (match-end (nth 1 entry)))
6938 (form (nth 2 entry)))
6939 (goto-char (match-end 0))
6941 (gnus-article-add-button
6942 start end (nth 3 entry)
6943 (buffer-substring (match-beginning (nth 4 entry))
6944 (match-end (nth 4 entry)))))))
6945 (goto-char end))))))
6947 ;;; External functions:
6949 (defun gnus-article-add-button (from to fun &optional data)
6950 "Create a button between FROM and TO with callback FUN and data DATA."
6951 (when gnus-article-button-face
6952 (gnus-overlay-put (gnus-make-overlay from to)
6953 'face gnus-article-button-face))
6954 (gnus-add-text-properties
6956 (nconc (and gnus-article-mouse-face
6957 (list gnus-mouse-face-prop gnus-article-mouse-face))
6958 (list 'gnus-callback fun)
6959 (and data (list 'gnus-data data))))
6960 (widget-convert-button 'link from to :action 'gnus-widget-press-button
6961 :button-keymap gnus-widget-button-keymap))
6963 ;;; Internal functions:
6965 (defun gnus-article-set-globals ()
6966 (with-current-buffer gnus-summary-buffer
6967 (gnus-set-global-variables)))
6969 (defun gnus-signature-toggle (end)
6970 (gnus-with-article-buffer
6971 (let ((inhibit-point-motion-hooks t)
6972 (limit (next-single-property-change end 'mime-view-entity
6974 (if (text-property-any end limit 'article-type 'signature)
6976 (gnus-delete-wash-type 'signature)
6977 (gnus-remove-text-properties-when
6978 'article-type 'signature end limit
6979 (cons 'article-type (cons 'signature
6980 gnus-hidden-properties))))
6981 (gnus-add-wash-type 'signature)
6982 (gnus-add-text-properties-when
6983 'article-type nil end limit
6984 (cons 'article-type (cons 'signature
6985 gnus-hidden-properties)))))
6986 (let ((gnus-article-mime-handle-alist-1 gnus-article-mime-handle-alist))
6987 (gnus-set-mode-line 'article))))
6989 (defun gnus-button-entry ()
6990 ;; Return the first entry in `gnus-button-alist' matching this place.
6991 (let ((alist gnus-button-alist)
6994 (setq entry (pop alist))
6995 (if (looking-at (eval (car entry)))
7000 (defun gnus-button-push (marker)
7001 ;; Push button starting at MARKER.
7004 (let* ((entry (gnus-button-entry))
7005 (inhibit-point-motion-hooks t)
7007 (args (mapcar (lambda (group)
7008 (let ((string (match-string group)))
7009 (set-text-properties
7010 0 (length string) nil string)
7017 (fboundp (symbol-value fun)))
7018 (apply (symbol-value fun) args))
7020 (gnus-message 1 "You must define `%S' to use this button"
7021 (cons fun args)))))))
7023 (defun gnus-parse-news-url (url)
7024 (let (scheme server group message-id articles)
7027 (goto-char (point-min))
7028 (when (looking-at "\\([A-Za-z]+\\):")
7029 (setq scheme (match-string 1))
7030 (goto-char (match-end 0)))
7031 (when (looking-at "//\\([^/]+\\)/")
7032 (setq server (match-string 1))
7033 (goto-char (match-end 0)))
7036 ((looking-at "\\(.*@.*\\)")
7037 (setq message-id (match-string 1)))
7038 ((looking-at "\\([^/]+\\)/\\([-0-9]+\\)")
7039 (setq group (match-string 1)
7040 articles (split-string (match-string 2) "-")))
7041 ((looking-at "\\([^/]+\\)/?")
7042 (setq group (match-string 1)))
7044 (error "Unknown news URL syntax"))))
7045 (list scheme server group message-id articles)))
7047 (defun gnus-button-handle-news (url)
7049 (destructuring-bind (scheme server group message-id articles)
7050 (gnus-parse-news-url url)
7054 (set-buffer gnus-summary-buffer)
7056 (let ((gnus-refer-article-method (list (list 'nntp server))))
7057 (gnus-summary-refer-article message-id))
7058 (gnus-summary-refer-article message-id))))
7060 (gnus-button-fetch-group url)))))
7062 (defun gnus-button-handle-man (url)
7064 (gnus-message 9 "`%s' `%s'" gnus-button-man-handler url)
7065 (when (eq gnus-button-man-handler 'woman)
7066 (setq url (gnus-replace-in-string url "([1-9][X1a-z]*).*\\'" "")))
7067 (gnus-message 9 "`%s' `%s'" gnus-button-man-handler url)
7068 (funcall gnus-button-man-handler url))
7070 (defun gnus-button-handle-info-url (url)
7071 "Fetch an info URL."
7072 (setq url (mm-subst-char-in-string ?+ ?\ url))
7074 ((string-match "^\\([^:/]+\\)?/\\(.*\\)" url)
7075 (gnus-info-find-node
7076 (concat "(" (or (gnus-url-unhex-string (match-string 1 url))
7078 ")" (gnus-url-unhex-string (match-string 2 url)))))
7079 ((string-match "([^)\"]+)[^\"]+" url)
7081 (gnus-replace-in-string
7082 (gnus-replace-in-string url "[\n\t ]+" " ") "\"" ""))
7083 (gnus-info-find-node url))
7084 (t (error "Can't parse %s" url))))
7086 (defun gnus-button-handle-info-url-gnome (url)
7087 "Fetch GNOME style info URL."
7088 (setq url (mm-subst-char-in-string ?_ ?\ url))
7089 (if (string-match "\\([^#]+\\)#?\\(.*\\)" url)
7090 (gnus-info-find-node
7092 (gnus-url-unhex-string
7093 (match-string 1 url))
7095 (or (gnus-url-unhex-string
7096 (match-string 2 url))
7098 (error "Can't parse %s" url)))
7100 (defun gnus-button-handle-info-url-kde (url)
7101 "Fetch KDE style info URL."
7102 (gnus-info-find-node (gnus-url-unhex-string url)))
7104 (defun gnus-button-handle-info-keystrokes (url)
7105 "Call `info' when pushing the corresponding URL button."
7106 ;; For links like `C-h i d m gnus RET', `C-h i d m CC Mode RET'.
7111 (defun gnus-button-message-id (message-id)
7113 (with-current-buffer gnus-summary-buffer
7114 (gnus-summary-refer-article message-id)))
7116 (defun gnus-button-fetch-group (address)
7117 "Fetch GROUP specified by ADDRESS."
7118 (if (not (string-match "[:/]" address))
7119 ;; This is just a simple group url.
7120 (gnus-group-read-ephemeral-group address gnus-select-method)
7123 "^\\([^:/]+\\)\\(:\\([^/]+\\)\\)?/\\([^/]+\\)\\(/\\([0-9]+\\)\\)?"
7125 (error "Can't parse %s" address)
7126 (gnus-group-read-ephemeral-group
7127 (match-string 4 address)
7128 `(nntp ,(match-string 1 address)
7129 (nntp-address ,(match-string 1 address))
7130 (nntp-port-number ,(if (match-end 3)
7131 (match-string 3 address)
7134 (and (match-end 6) (list (string-to-int (match-string 6 address))))))))
7136 (defun gnus-url-parse-query-string (query &optional downcase)
7137 (let (retval pairs cur key val)
7138 (setq pairs (split-string query "&"))
7140 (setq cur (car pairs)
7142 (if (not (string-match "=" cur))
7144 (setq key (gnus-url-unhex-string (substring cur 0 (match-beginning 0)))
7145 val (gnus-url-unhex-string (substring cur (match-end 0) nil) t))
7147 (setq key (downcase key)))
7148 (setq cur (assoc key retval))
7150 (setcdr cur (cons val (cdr cur)))
7151 (setq retval (cons (list key val) retval)))))
7154 (defun gnus-url-mailto (url)
7155 ;; Send mail to someone
7156 (when (string-match "mailto:/*\\(.*\\)" url)
7157 (setq url (substring url (match-beginning 1) nil)))
7158 (let (to args subject func)
7159 (setq args (gnus-url-parse-query-string
7160 (if (string-match "^\\?" url)
7162 (if (string-match "^\\([^?]+\\)\\?\\(.*\\)" url)
7163 (concat "to=" (match-string 1 url) "&"
7164 (match-string 2 url))
7165 (concat "to=" url)))
7167 subject (cdr-safe (assoc "subject" args)))
7170 (setq func (intern-soft (concat "message-goto-" (downcase (caar args)))))
7173 (message-position-on-field (caar args)))
7174 (insert (gnus-replace-in-string
7175 (mapconcat 'identity (reverse (cdar args)) ", ")
7177 (setq args (cdr args)))
7180 (message-goto-subject))))
7182 (defun gnus-button-embedded-url (address)
7183 "Activate ADDRESS with `browse-url'."
7184 (browse-url (gnus-strip-whitespace address)))
7186 ;;; Next/prev buttons in the article buffer.
7188 (defvar gnus-next-page-line-format "%{%(Next page...%)%}\n")
7189 (defvar gnus-prev-page-line-format "%{%(Previous page...%)%}\n")
7191 (defvar gnus-prev-page-map
7192 (let ((map (make-sparse-keymap)))
7193 (define-key map gnus-mouse-2 'gnus-button-prev-page)
7194 (define-key map "\r" 'gnus-button-prev-page)
7197 (defvar gnus-next-page-map
7198 (let ((map (make-sparse-keymap)))
7199 (define-key map gnus-mouse-2 'gnus-button-next-page)
7200 (define-key map "\r" 'gnus-button-next-page)
7203 (defun gnus-insert-prev-page-button ()
7205 (buffer-read-only nil)
7206 (situation (get-text-property (point-min) 'mime-view-situation)))
7208 gnus-prev-page-line-format nil
7209 `(keymap ,gnus-prev-page-map
7211 gnus-callback gnus-article-button-prev-page
7212 article-type annotation
7213 mime-view-situation ,situation))
7214 (widget-convert-button
7216 ;; Exclude a newline.
7219 :action 'gnus-button-prev-page
7220 :button-keymap gnus-prev-page-map)))
7222 (defun gnus-button-next-page (&optional args more-args)
7223 "Go to the next page."
7225 (let ((win (selected-window)))
7226 (select-window (gnus-get-buffer-window gnus-article-buffer t))
7227 (gnus-article-next-page)
7228 (select-window win)))
7230 (defun gnus-button-prev-page (&optional args more-args)
7231 "Go to the prev page."
7233 (let ((win (selected-window)))
7234 (select-window (gnus-get-buffer-window gnus-article-buffer t))
7235 (gnus-article-prev-page)
7236 (select-window win)))
7238 (defun gnus-insert-next-page-button ()
7240 (buffer-read-only nil)
7241 (situation (get-text-property (point-min) 'mime-view-situation)))
7242 (gnus-eval-format gnus-next-page-line-format nil
7243 `(keymap ,gnus-next-page-map
7245 gnus-callback gnus-article-button-next-page
7246 article-type annotation
7247 mime-view-situation ,situation))
7248 (widget-convert-button
7250 ;; Exclude a newline.
7253 :action 'gnus-button-next-page
7254 :button-keymap gnus-next-page-map)))
7256 (defun gnus-article-button-next-page (arg)
7257 "Go to the next page."
7259 (let ((win (selected-window)))
7260 (select-window (gnus-get-buffer-window gnus-article-buffer t))
7261 (gnus-article-next-page)
7262 (select-window win)))
7264 (defun gnus-article-button-prev-page (arg)
7265 "Go to the prev page."
7267 (let ((win (selected-window)))
7268 (select-window (gnus-get-buffer-window gnus-article-buffer t))
7269 (gnus-article-prev-page)
7270 (select-window win)))
7272 (defvar gnus-decode-header-methods
7273 '(mail-decode-encoded-word-region)
7274 "List of methods used to decode headers.
7276 This variable is a list of FUNCTION or (REGEXP . FUNCTION). If item
7277 is FUNCTION, FUNCTION will be apply to all newsgroups. If item is a
7278 \(REGEXP . FUNCTION), FUNCTION will be only apply to the newsgroups
7279 whose names match REGEXP.
7282 \((\"chinese\" . gnus-decode-encoded-word-region-by-guess)
7283 mail-decode-encoded-word-region
7284 (\"chinese\" . rfc1843-decode-region))
7287 (defvar gnus-decode-header-methods-cache nil)
7289 (defun gnus-multi-decode-header (start end)
7290 "Apply the functions from `gnus-encoded-word-methods' that match."
7291 (unless (and gnus-decode-header-methods-cache
7292 (eq gnus-newsgroup-name
7293 (car gnus-decode-header-methods-cache)))
7294 (setq gnus-decode-header-methods-cache (list gnus-newsgroup-name))
7297 (nconc gnus-decode-header-methods-cache (list x))
7298 (if (and gnus-newsgroup-name
7299 (string-match (car x) gnus-newsgroup-name))
7300 (nconc gnus-decode-header-methods-cache
7302 gnus-decode-header-methods))
7303 (let ((xlist gnus-decode-header-methods-cache))
7306 (narrow-to-region start end)
7308 (funcall (pop xlist) (point-min) (point-max))))))
7311 ;;; Treatment top-level handling.
7314 (defun gnus-treat-article (condition &optional part-number total-parts type)
7315 (let ((length (- (point-max) (point-min)))
7316 (alist gnus-treatment-function-alist)
7317 (article-goto-body-goes-to-point-min-p t)
7321 (let ((list gnus-article-treat-types))
7323 (when (string-match (pop list) type)
7324 (throw 'found t)))))))
7325 (highlightp (gnus-visual-p 'article-highlight 'highlight))
7326 (entity (static-unless (featurep 'xemacs)
7327 (when (eq 'head condition)
7328 (get-text-property (point-min) 'mime-view-entity))))
7329 val elem buttonized)
7330 (gnus-run-hooks 'gnus-part-display-hook)
7331 (unless gnus-inhibit-treatment
7332 (dolist (elem alist)
7335 (when (gnus-buffer-live-p gnus-summary-buffer)
7336 (set-buffer gnus-summary-buffer))
7337 (symbol-value (car elem))))
7338 (when (and (or (consp val)
7340 (gnus-treat-predicate val)
7341 (or (not (get (car elem) 'highlight))
7343 (when (and (not buttonized)
7345 '(gnus-treat-hide-signature
7346 gnus-treat-highlight-signature)))
7347 (gnus-article-buttonize-signature)
7348 (setq buttonized t))
7350 (funcall (cadr elem)))))
7351 ;; FSF Emacsen does not inherit the existing text properties
7352 ;; in the new text, so we should do it for `mime-view-entity'.
7353 (static-unless (featurep 'xemacs)
7355 (put-text-property (point-min) (point-max)
7356 'mime-view-entity entity))))))
7358 ;; Dynamic variables.
7360 (defvar part-number)
7361 (defvar total-parts)
7366 (defun gnus-treat-predicate (val)
7371 (stringp (car val)))
7372 (apply 'gnus-or (mapcar `(lambda (s)
7373 (string-match s ,(or gnus-newsgroup-name "")))
7376 (let ((pred (pop val)))
7379 (apply 'gnus-or (mapcar 'gnus-treat-predicate val)))
7381 (apply 'gnus-and (mapcar 'gnus-treat-predicate val)))
7383 (not (gnus-treat-predicate (car val))))
7385 (equal (car val) type))
7387 (error "%S is not a valid predicate" pred)))))
7397 (eq part-number total-parts))
7401 (error "%S is not a valid value" val))))
7403 (defun gnus-article-encrypt-body (protocol &optional n)
7404 "Encrypt the article body."
7407 (or gnus-article-encrypt-protocol
7408 (completing-read "Encrypt protocol: "
7409 gnus-article-encrypt-protocol-alist
7411 current-prefix-arg))
7412 (let ((func (cdr (assoc protocol gnus-article-encrypt-protocol-alist))))
7414 (error (format "Can't find the encrypt protocol %s" protocol)))
7415 (if (member gnus-newsgroup-name '("nndraft:delayed"
7418 (error "Can't encrypt the article in group %s"
7419 gnus-newsgroup-name))
7420 (gnus-summary-iterate n
7422 (set-buffer gnus-summary-buffer)
7423 (let ((mail-parse-charset gnus-newsgroup-charset)
7424 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets)
7425 (summary-buffer gnus-summary-buffer)
7427 (gnus-set-global-variables)
7428 (when (gnus-group-read-only-p)
7429 (error "The current newsgroup does not support article encrypt"))
7430 (gnus-summary-show-article t)
7432 (or (mail-header-references gnus-current-headers) ""))
7433 (set-buffer gnus-article-buffer)
7434 (let* ((buffer-read-only nil)
7436 (mapcar (lambda (field)
7437 (and (save-restriction
7438 (message-narrow-to-head)
7439 (goto-char (point-min))
7440 (search-forward field nil t))
7442 (message-narrow-to-field)
7444 (delete-region (point-min) (point-max))
7446 '("Content-Type:" "Content-Transfer-Encoding:"
7447 "Content-Disposition:"))))
7448 (message-narrow-to-head)
7449 (message-remove-header "MIME-Version")
7450 (goto-char (point-max))
7451 (setq point (point))
7452 (insert (apply 'concat headers))
7454 (narrow-to-region point (point-max))
7455 (let ((message-options message-options))
7456 (message-options-set 'message-sender user-mail-address)
7457 (message-options-set 'message-recipients user-mail-address)
7458 (message-options-set 'message-sign-encrypt 'not)
7460 (goto-char (point-min))
7461 (insert "MIME-Version: 1.0\n")
7463 (gnus-summary-edit-article-done
7464 references nil summary-buffer t))
7465 (when gnus-keep-backlog
7466 (gnus-backlog-remove-article
7467 (car gnus-article-current) (cdr gnus-article-current)))
7469 (when (get-buffer gnus-original-article-buffer)
7470 (set-buffer gnus-original-article-buffer)
7471 (setq gnus-original-article nil)))
7472 (when gnus-use-cache
7473 (gnus-cache-update-article
7474 (car gnus-article-current) (cdr gnus-article-current))))))))
7476 (defvar gnus-mime-security-button-line-format "%{%([[%t:%i]%D]%)%}\n"
7477 "The following specs can be used:
7478 %t The security MIME type
7481 %D Details if button is pressed")
7483 (defvar gnus-mime-security-button-end-line-format "%{%([[End of %t]%D]%)%}\n"
7484 "The following specs can be used:
7485 %t The security MIME type
7488 %D Details if button is pressed")
7490 (defvar gnus-mime-security-button-line-format-alist
7491 '((?t gnus-tmp-type ?s)
7492 (?i gnus-tmp-info ?s)
7493 (?d gnus-tmp-details ?s)
7494 (?D gnus-tmp-pressed-details ?s)))
7496 (defvar gnus-mime-security-button-map
7497 (let ((map (make-sparse-keymap)))
7498 (define-key map gnus-mouse-2 'gnus-article-push-button)
7499 (define-key map "\r" 'gnus-article-press-button)
7502 (defvar gnus-mime-security-details-buffer nil)
7504 (defvar gnus-mime-security-button-pressed nil)
7506 (defvar gnus-mime-security-show-details-inline t
7507 "If non-nil, show details in the article buffer.")
7509 (defun gnus-mime-security-verify-or-decrypt (handle)
7510 (mm-remove-parts (cdr handle))
7511 (let ((region (mm-handle-multipart-ctl-parameter handle 'gnus-region))
7512 point buffer-read-only)
7514 (goto-char (car region)))
7516 (narrow-to-region (point) (point))
7517 (with-current-buffer (mm-handle-multipart-original-buffer handle)
7518 (let* ((mm-verify-option 'known)
7519 (mm-decrypt-option 'known)
7520 (nparts (mm-possibly-verify-or-decrypt (cdr handle) handle)))
7521 (unless (eq nparts (cdr handle))
7522 (mm-destroy-parts (cdr handle))
7523 (setcdr handle nparts))))
7524 (setq point (point))
7525 (gnus-mime-display-security handle)
7526 (goto-char (point-max)))
7528 (delete-region (point) (cdr region))
7529 (set-marker (car region) nil)
7530 (set-marker (cdr region) nil))
7533 (defun gnus-mime-security-show-details (handle)
7534 (let ((details (mm-handle-multipart-ctl-parameter handle 'gnus-details)))
7536 (gnus-message 5 "No details.")
7537 (if gnus-mime-security-show-details-inline
7538 (let ((gnus-mime-security-button-pressed
7539 (not (get-text-property (point) 'gnus-mime-details)))
7540 (gnus-mime-security-button-line-format
7541 (get-text-property (point) 'gnus-line-format))
7544 (while (eq (get-text-property (point) 'gnus-line-format)
7545 gnus-mime-security-button-line-format)
7549 (narrow-to-region (point) (point))
7550 (gnus-insert-mime-security-button handle))
7551 (delete-region (point)
7552 (or (text-property-not-all
7555 gnus-mime-security-button-line-format)
7558 (if (gnus-buffer-live-p gnus-mime-security-details-buffer)
7559 (with-current-buffer gnus-mime-security-details-buffer
7562 (setq gnus-mime-security-details-buffer
7563 (gnus-get-buffer-create "*MIME Security Details*")))
7564 (with-current-buffer gnus-mime-security-details-buffer
7566 (goto-char (point-min)))
7567 (pop-to-buffer gnus-mime-security-details-buffer)))))
7569 (defun gnus-mime-security-press-button (handle)
7571 (if (mm-handle-multipart-ctl-parameter handle 'gnus-info)
7572 (gnus-mime-security-show-details handle)
7573 (gnus-mime-security-verify-or-decrypt handle))))
7575 (defun gnus-insert-mime-security-button (handle &optional displayed)
7576 (let* ((protocol (mm-handle-multipart-ctl-parameter handle 'protocol))
7579 (or (nth 2 (assoc protocol mm-verify-function-alist))
7580 (nth 2 (assoc protocol mm-decrypt-function-alist))
7582 (if (equal (car handle) "multipart/signed")
7583 " Signed" " Encrypted")
7586 (or (mm-handle-multipart-ctl-parameter handle 'gnus-info)
7589 (mm-handle-multipart-ctl-parameter handle 'gnus-details))
7590 gnus-tmp-pressed-details
7592 (setq gnus-tmp-details
7593 (if gnus-tmp-details
7594 (concat "\n" gnus-tmp-details)
7596 (setq gnus-tmp-pressed-details
7597 (if gnus-mime-security-button-pressed gnus-tmp-details ""))
7602 gnus-mime-security-button-line-format
7603 gnus-mime-security-button-line-format-alist
7604 `(keymap ,gnus-mime-security-button-map
7605 gnus-callback gnus-mime-security-press-button
7606 gnus-line-format ,gnus-mime-security-button-line-format
7607 gnus-mime-details ,gnus-mime-security-button-pressed
7608 article-type annotation
7611 ;; Exclude a newline.
7614 (widget-convert-button
7617 :action 'gnus-widget-press-button
7618 :button-keymap gnus-mime-security-button-map
7620 (lambda (widget/window &optional overlay pos)
7621 ;; Needed to properly clear the message due to a bug in
7622 ;; wid-edit (XEmacs only).
7623 (when (boundp 'help-echo-owns-message)
7624 (setq help-echo-owns-message t))
7627 (aref gnus-mouse-2 0))))))
7629 (defun gnus-mime-display-security (handle)
7631 (narrow-to-region (point) (point))
7632 (unless (gnus-unbuttonized-mime-type-p (car handle))
7633 (gnus-insert-mime-security-button handle))
7634 (gnus-mime-display-mixed (cdr handle))
7637 (unless (gnus-unbuttonized-mime-type-p (car handle))
7638 (let ((gnus-mime-security-button-line-format
7639 gnus-mime-security-button-end-line-format))
7640 (gnus-insert-mime-security-button handle)))
7641 (mm-set-handle-multipart-parameter
7643 (cons (set-marker (make-marker) (point-min))
7644 (set-marker (make-marker) (point-max))))))
7650 (defun gnus-article-header-presentation-method (entity situation)
7651 (mime-insert-header entity)
7652 (article-decode-group-name))
7654 (set-alist 'mime-header-presentation-method-alist
7655 'gnus-original-article-mode
7656 #'gnus-article-header-presentation-method)
7658 (defun gnus-mime-preview-quitting-method ()
7659 (mime-preview-kill-buffer)
7660 (delete-other-windows)
7661 (gnus-article-show-summary)
7662 (gnus-summary-select-article gnus-show-all-headers t))
7664 (set-alist 'mime-preview-quitting-method-alist
7665 'gnus-original-article-mode #'gnus-mime-preview-quitting-method)
7667 (set-alist 'mime-preview-following-method-alist
7668 'gnus-original-article-mode #'gnus-following-method)
7670 (set-alist 'mime-preview-over-to-previous-method-alist
7671 'gnus-original-article-mode
7673 (if (> (point-min) 1)
7674 (gnus-article-prev-page)
7675 (gnus-article-read-summary-keys
7676 nil (gnus-character-to-event ?P)))))
7678 (set-alist 'mime-preview-over-to-next-method-alist
7679 'gnus-original-article-mode'
7681 (if (< (point-max) (buffer-size))
7682 (gnus-article-next-page)
7683 (gnus-article-read-summary-keys
7684 nil (gnus-character-to-event ?N)))))
7694 (run-hooks 'gnus-art-load-hook)
7696 ;;; gnus-art.el ends here