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."
250 :type '(choice (integer :value 200)
252 (function :value fun)
253 (regexp :value ".*"))
254 :group 'gnus-article-signature)
256 (defcustom gnus-hidden-properties '(invisible t intangible t)
257 "Property list to use for hiding text."
259 :group 'gnus-article-hiding)
261 ;; Fixme: This isn't the right thing for mixed graphical and non-graphical
262 ;; frames in a session.
263 (defcustom gnus-article-x-face-command
268 (if (or (gnus-image-type-available-p 'xface)
269 (gnus-image-type-available-p 'pbm))
270 'gnus-display-x-face-in-from
271 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | ee -"))
272 ((and (fboundp 'image-type-available-p)
273 (module-installed-p 'x-face-e21))
274 'x-face-decode-message-header)
275 ((gnus-image-type-available-p 'pbm)
276 'gnus-display-x-face-in-from)
278 (module-installed-p 'x-face-mule))
279 'x-face-mule-gnus-article-display-x-face)
281 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | \
283 "*String or function to be executed to display an X-Face header.
284 If it is a string, the command will be executed in a sub-shell
285 asynchronously. The compressed face will be piped to this command."
287 ,@(let (x-face-e21 x-face-mule)
288 (if (featurep 'xemacs)
290 (setq x-face-e21 (module-installed-p 'x-face-e21)
291 x-face-mule (module-installed-p 'x-face-mule)))
295 (if (or (gnus-image-type-available-p 'xface)
296 (gnus-image-type-available-p 'pbm))
297 '(function-item gnus-display-x-face-in-from))
299 (fboundp 'image-type-available-p))
301 :tag "x-face-decode-message-header (x-face-e21)"
302 x-face-decode-message-header))
305 x-face-mule-gnus-article-display-x-face))
309 :group 'gnus-article-washing)
311 (defcustom gnus-article-x-face-too-ugly nil
312 "Regexp matching posters whose face shouldn't be shown automatically."
313 :type '(choice regexp (const nil))
314 :group 'gnus-article-washing)
316 (defcustom gnus-article-banner-alist nil
317 "Banner alist for stripping.
319 ((egroups . \"^[ \\t\\n]*-------------------+\\\\( \\\\(e\\\\|Yahoo! \\\\)Groups Sponsor -+\\\\)?....\\n\\\\(.+\\n\\\\)+\"))"
321 :type '(repeat (cons symbol regexp))
322 :group 'gnus-article-washing)
324 (gnus-define-group-parameter
327 "Alist of regexps (to match group names) and banner."
328 :variable-group gnus-article-washing
330 '(choice :tag "Banner"
332 (const :tag "Remove signature" signature)
333 (symbol :tag "Item in `gnus-article-banner-alist'" none)
335 (const :tag "None" nil))
337 "If non-nil, specify how to remove `banners' from articles.
339 Symbol `signature' means to remove signatures delimited by
340 `gnus-signature-separator'. Any other symbol is used to look up a
341 regular expression to match the banner in `gnus-article-banner-alist'.
342 A string is used as a regular expression to match the banner
345 (defcustom gnus-article-address-banner-alist nil
346 "Alist of mail addresses and banners.
347 Each element has the form (ADDRESS . BANNER), where ADDRESS is a regexp
348 to match a mail address in the From: header, BANNER is one of a symbol
349 `signature', an item in `gnus-article-banner-alist', a regexp and nil.
350 If ADDRESS matches author's mail address, it will remove things like
351 advertisements. For example:
353 \((\"@yoo-hoo\\\\.co\\\\.jp\\\\'\" . \"\\n_+\\nDo You Yoo-hoo!\\\\?\\n.*\\n.*\\n\"))
357 (regexp :tag "Address")
358 (choice :tag "Banner" :value nil
359 (const :tag "Remove signature" signature)
360 (symbol :tag "Item in `gnus-article-banner-alist'" none)
362 (const :tag "None" nil))))
363 :group 'gnus-article-washing)
365 (defcustom gnus-emphasis-alist
367 "\\(\\s-\\|^\\|\\=\\|[-\"]\\|\\s(\\)\\(%s\\(\\w+\\(\\s-+\\w+\\)*[.,]?\\)%s\\)\\(\\([-,.;:!?\"]\\|\\s)\\)+\\s-\\|[?!.]\\s-\\|\\s)\\|\\s-\\)")
372 ("_/" "/_" underline-italic)
373 ("_\\*" "\\*_" underline-bold)
374 ("\\*/" "/\\*" bold-italic)
375 ("_\\*/" "/\\*_" underline-bold-italic))))
379 (format format (car spec) (car (cdr spec)))
380 2 3 (intern (format "gnus-emphasis-%s" (nth 2 spec)))))
382 ("\\(\\s-\\|^\\)\\(-\\(\\(\\w\\|-[^-]\\)+\\)-\\)\\(\\s-\\|[?!.,;]\\)"
383 2 3 gnus-emphasis-strikethru)
384 ("\\(\\s-\\|^\\)\\(_\\(\\(\\w\\|_[^_]\\)+\\)_\\)\\(\\s-\\|[?!.,;]\\)"
385 2 3 gnus-emphasis-underline)))
386 "*Alist that says how to fontify certain phrases.
387 Each item looks like this:
389 (\"_\\\\(\\\\w+\\\\)_\" 0 1 'underline)
391 The first element is a regular expression to be matched. The second
392 is a number that says what regular expression grouping used to find
393 the entire emphasized word. The third is a number that says what
394 regexp grouping should be displayed and highlighted. The fourth
395 is the face used for highlighting."
396 :type '(repeat (list :value ("" 0 0 default)
398 (integer :tag "Match group")
399 (integer :tag "Emphasize group")
401 :group 'gnus-article-emphasis)
403 (defcustom gnus-emphasize-whitespace-regexp "^[ \t]+\\|[ \t]*\n"
404 "A regexp to describe whitespace which should not be emphasized.
405 Typical values are \"^[ \\t]+\\\\|[ \\t]*\\n\" and \"[ \\t]+\\\\|[ \\t]*\\n\".
406 The former avoids underlining of leading and trailing whitespace,
407 and the latter avoids underlining any whitespace at all."
409 :group 'gnus-article-emphasis
412 (defface gnus-emphasis-bold '((t (:bold t)))
413 "Face used for displaying strong emphasized text (*word*)."
414 :group 'gnus-article-emphasis)
416 (defface gnus-emphasis-italic '((t (:italic t)))
417 "Face used for displaying italic emphasized text (/word/)."
418 :group 'gnus-article-emphasis)
420 (defface gnus-emphasis-underline '((t (:underline t)))
421 "Face used for displaying underlined emphasized text (_word_)."
422 :group 'gnus-article-emphasis)
424 (defface gnus-emphasis-underline-bold '((t (:bold t :underline t)))
425 "Face used for displaying underlined bold emphasized text (_*word*_)."
426 :group 'gnus-article-emphasis)
428 (defface gnus-emphasis-underline-italic '((t (:italic t :underline t)))
429 "Face used for displaying underlined italic emphasized text (_/word/_)."
430 :group 'gnus-article-emphasis)
432 (defface gnus-emphasis-bold-italic '((t (:bold t :italic t)))
433 "Face used for displaying bold italic emphasized text (/*word*/)."
434 :group 'gnus-article-emphasis)
436 (defface gnus-emphasis-underline-bold-italic
437 '((t (:bold t :italic t :underline t)))
438 "Face used for displaying underlined bold italic emphasized text.
439 Example: (_/*word*/_)."
440 :group 'gnus-article-emphasis)
442 (defface gnus-emphasis-strikethru (if (featurep 'xemacs)
443 '((t (:strikethru t)))
444 '((t (:strike-through t))))
445 "Face used for displaying strike-through text (-word-)."
446 :group 'gnus-article-emphasis)
448 (defface gnus-emphasis-highlight-words
449 '((t (:background "black" :foreground "yellow")))
450 "Face used for displaying highlighted words."
451 :group 'gnus-article-emphasis)
453 (defcustom gnus-article-time-format "%a, %b %d %Y %T %Z"
454 "Format for display of Date headers in article bodies.
455 See `format-time-string' for the possible values.
457 The variable can also be function, which should return a complete Date
458 header. The function is called with one argument, the time, which can
459 be fed to `format-time-string'."
460 :type '(choice string symbol)
461 :link '(custom-manual "(gnus)Article Date")
462 :group 'gnus-article-washing)
465 (autoload 'mail-extract-address-components "mail-extr"))
467 (defcustom gnus-save-all-headers t
468 "*If non-nil, don't remove any headers before saving."
469 :group 'gnus-article-saving
472 (defcustom gnus-prompt-before-saving 'always
473 "*This variable says how much prompting is to be done when saving articles.
474 If it is nil, no prompting will be done, and the articles will be
475 saved to the default files. If this variable is `always', each and
476 every article that is saved will be preceded by a prompt, even when
477 saving large batches of articles. If this variable is neither nil not
478 `always', there the user will be prompted once for a file name for
479 each invocation of the saving commands."
480 :group 'gnus-article-saving
481 :type '(choice (item always)
482 (item :tag "never" nil)
483 (sexp :tag "once" :format "%t\n" :value t)))
485 (defcustom gnus-saved-headers gnus-visible-headers
486 "Headers to keep if `gnus-save-all-headers' is nil.
487 If `gnus-save-all-headers' is non-nil, this variable will be ignored.
488 If that variable is nil, however, all headers that match this regexp
489 will be kept while the rest will be deleted before saving."
490 :group 'gnus-article-saving
493 (defcustom gnus-default-article-saver 'gnus-summary-save-in-rmail
494 "A function to save articles in your favourite format.
495 The function must be interactively callable (in other words, it must
496 be an Emacs command).
498 Gnus provides the following functions:
500 * gnus-summary-save-in-rmail (Rmail format)
501 * gnus-summary-save-in-mail (Unix mail format)
502 * gnus-summary-save-in-folder (MH folder)
503 * gnus-summary-save-in-file (article format)
504 * gnus-summary-save-body-in-file (article body)
505 * gnus-summary-save-in-vm (use VM's folder format)
506 * gnus-summary-write-to-file (article format -- overwrite)."
507 :group 'gnus-article-saving
508 :type '(radio (function-item gnus-summary-save-in-rmail)
509 (function-item gnus-summary-save-in-mail)
510 (function-item gnus-summary-save-in-folder)
511 (function-item gnus-summary-save-in-file)
512 (function-item gnus-summary-save-body-in-file)
513 (function-item gnus-summary-save-in-vm)
514 (function-item gnus-summary-write-to-file)))
516 (defcustom gnus-rmail-save-name 'gnus-plain-save-name
517 "A function generating a file name to save articles in Rmail format.
518 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
519 :group 'gnus-article-saving
522 (defcustom gnus-mail-save-name 'gnus-plain-save-name
523 "A function generating a file name to save articles in Unix mail format.
524 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
525 :group 'gnus-article-saving
528 (defcustom gnus-folder-save-name 'gnus-folder-save-name
529 "A function generating a file name to save articles in MH folder.
530 The function is called with NEWSGROUP, HEADERS, and optional LAST-FOLDER."
531 :group 'gnus-article-saving
534 (defcustom gnus-file-save-name 'gnus-numeric-save-name
535 "A function generating a file name to save articles in article format.
536 The function is called with NEWSGROUP, HEADERS, and optional
538 :group 'gnus-article-saving
541 (defcustom gnus-split-methods
542 '((gnus-article-archive-name)
543 (gnus-article-nndoc-name))
544 "*Variable used to suggest where articles are to be saved.
545 For instance, if you would like to save articles related to Gnus in
546 the file \"gnus-stuff\", and articles related to VM in \"vm-stuff\",
547 you could set this variable to something like:
549 '((\"^Subject:.*gnus\\|^Newsgroups:.*gnus\" \"gnus-stuff\")
550 (\"^Subject:.*vm\\|^Xref:.*vm\" \"vm-stuff\"))
552 This variable is an alist where the where the key is the match and the
553 value is a list of possible files to save in if the match is non-nil.
555 If the match is a string, it is used as a regexp match on the
556 article. If the match is a symbol, that symbol will be funcalled
557 from the buffer of the article to be saved with the newsgroup as the
558 parameter. If it is a list, it will be evaled in the same buffer.
560 If this form or function returns a string, this string will be used as
561 a possible file name; and if it returns a non-nil list, that list will
562 be used as possible file names."
563 :group 'gnus-article-saving
564 :type '(repeat (choice (list :value (fun) function)
565 (cons :value ("" "") regexp (repeat string))
568 (defcustom gnus-article-display-method-for-mime
569 'gnus-article-display-mime-message
570 "Function to display a MIME message.
571 The function is called from the article buffer."
572 :group 'gnus-article-mime
575 (defcustom gnus-article-display-method-for-traditional
576 'gnus-article-display-traditional-message
577 "*Function to display a traditional message.
578 The function is called from the article buffer."
579 :group 'gnus-article-mime
582 (defcustom gnus-page-delimiter "^\^L"
583 "*Regexp describing what to use as article page delimiters.
584 The default value is \"^\^L\", which is a form linefeed at the
585 beginning of a line."
587 :group 'gnus-article-various)
589 (defcustom gnus-article-mode-line-format "Gnus: %g [%w] %S%m"
590 "*The format specification for the article mode line.
591 See `gnus-summary-mode-line-format' for a closer description.
593 The following additional specs are available:
595 %w The article washing status.
596 %m The number of MIME parts in the article."
598 :group 'gnus-article-various)
600 (defcustom gnus-article-mode-hook nil
601 "*A hook for Gnus article mode."
603 :group 'gnus-article-various)
605 (when (featurep 'xemacs)
606 ;; Extracted from gnus-xmas-define in order to preserve user settings
607 (when (fboundp 'turn-off-scroll-in-place)
608 (add-hook 'gnus-article-mode-hook 'turn-off-scroll-in-place))
609 ;; Extracted from gnus-xmas-redefine in order to preserve user settings
610 (add-hook 'gnus-article-mode-hook 'gnus-xmas-article-menu-add))
612 (defcustom gnus-article-menu-hook nil
613 "*Hook run after the creation of the article mode menu."
615 :group 'gnus-article-various)
617 (defcustom gnus-article-prepare-hook nil
618 "*A hook called after an article has been prepared in the article buffer."
620 :group 'gnus-article-various)
622 (make-obsolete-variable 'gnus-article-hide-pgp-hook
623 "This variable is obsolete in Gnus 5.10.")
625 (defcustom gnus-article-button-face 'bold
626 "Face used for highlighting buttons in the article buffer.
628 An article button is a piece of text that you can activate by pressing
629 `RET' or `mouse-2' above it."
631 :group 'gnus-article-buttons)
633 (defcustom gnus-article-mouse-face 'highlight
634 "Face used for mouse highlighting in the article buffer.
636 Article buttons will be displayed in this face when the cursor is
639 :group 'gnus-article-buttons)
641 (defcustom gnus-signature-face 'gnus-signature-face
642 "Face used for highlighting a signature in the article buffer.
643 Obsolete; use the face `gnus-signature-face' for customizations instead."
645 :group 'gnus-article-highlight
646 :group 'gnus-article-signature)
648 (defface gnus-signature-face
651 "Face used for highlighting a signature in the article buffer."
652 :group 'gnus-article-highlight
653 :group 'gnus-article-signature)
655 (defface gnus-header-from-face
658 (:foreground "spring green"))
661 (:foreground "red3"))
664 "Face used for displaying from headers."
665 :group 'gnus-article-headers
666 :group 'gnus-article-highlight)
668 (defface gnus-header-subject-face
671 (:foreground "SeaGreen3"))
674 (:foreground "red4"))
676 (:bold t :italic t)))
677 "Face used for displaying subject headers."
678 :group 'gnus-article-headers
679 :group 'gnus-article-highlight)
681 (defface gnus-header-newsgroups-face
684 (:foreground "yellow" :italic t))
687 (:foreground "MidnightBlue" :italic t))
690 "Face used for displaying newsgroups headers.
691 In the default setup this face is only used for crossposted
693 :group 'gnus-article-headers
694 :group 'gnus-article-highlight)
696 (defface gnus-header-name-face
699 (:foreground "SeaGreen"))
702 (:foreground "maroon"))
705 "Face used for displaying header names."
706 :group 'gnus-article-headers
707 :group 'gnus-article-highlight)
709 (defface gnus-header-content-face
712 (:foreground "forest green" :italic t))
715 (:foreground "indianred4" :italic t))
718 "Face used for displaying header content."
719 :group 'gnus-article-headers
720 :group 'gnus-article-highlight)
722 (defcustom gnus-header-face-alist
723 '(("From" nil gnus-header-from-face)
724 ("Subject" nil gnus-header-subject-face)
725 ("Newsgroups:.*," nil gnus-header-newsgroups-face)
726 ("" gnus-header-name-face gnus-header-content-face))
727 "*Controls highlighting of article headers.
729 An alist of the form (HEADER NAME CONTENT).
731 HEADER is a regular expression which should match the name of a
732 header and NAME and CONTENT are either face names or nil.
734 The name of each header field will be displayed using the face
735 specified by the first element in the list where HEADER matches
736 the header name and NAME is non-nil. Similarly, the content will
737 be displayed by the first non-nil matching CONTENT face."
738 :group 'gnus-article-headers
739 :group 'gnus-article-highlight
740 :type '(repeat (list (regexp :tag "Header")
742 (item :tag "skip" nil)
743 (face :value default))
744 (choice :tag "Content"
745 (item :tag "skip" nil)
746 (face :value default)))))
748 (defcustom gnus-article-decode-hook
749 '(article-decode-group-name article-decode-idna-rhs)
750 "*Hook run to decode charsets in articles."
751 :group 'gnus-article-headers
754 (defcustom gnus-display-mime-function 'gnus-display-mime
755 "Function to display MIME articles."
756 :group 'gnus-article-mime
759 (defvar gnus-decode-header-function 'mail-decode-encoded-word-region
760 "Function used to decode headers.")
762 (defvar gnus-article-dumbquotes-map
782 "Table for MS-to-Latin1 translation.")
784 (defcustom gnus-ignored-mime-types nil
785 "List of MIME types that should be ignored by Gnus."
787 :group 'gnus-article-mime
788 :type '(repeat regexp))
790 (defcustom gnus-unbuttonized-mime-types '(".*/.*")
791 "List of MIME types that should not be given buttons when rendered inline.
792 See also `gnus-buttonized-mime-types' which may override this variable.
793 This variable is only used when `gnus-inhibit-mime-unbuttonizing' is nil."
795 :group 'gnus-article-mime
796 :type '(repeat regexp))
798 (defcustom gnus-buttonized-mime-types nil
799 "List of MIME types that should be given buttons when rendered inline.
800 If set, this variable overrides `gnus-unbuttonized-mime-types'.
801 To see e.g. security buttons you could set this to
802 `(\"multipart/signed\")'.
803 This variable is only used when `gnus-inhibit-mime-unbuttonizing' is nil."
805 :group 'gnus-article-mime
806 :type '(repeat regexp))
808 (defcustom gnus-inhibit-mime-unbuttonizing nil
809 "If non-nil, all MIME parts get buttons.
810 When nil (the default value), then some MIME parts do not get buttons,
811 as described by the variables `gnus-buttonized-mime-types' and
812 `gnus-unbuttonized-mime-types'."
814 :group 'gnus-article-mime
817 (defcustom gnus-body-boundary-delimiter "_"
818 "String used to delimit header and body.
819 This variable is used by `gnus-article-treat-body-boundary' which can
820 be controlled by `gnus-treat-body-boundary'."
821 :group 'gnus-article-various
822 :type '(choice (item :tag "None" :value nil)
825 (defcustom gnus-picon-databases '("/usr/lib/picon" "/usr/local/faces")
826 "Defines the location of the faces database.
827 For information on obtaining this database of pretty pictures, please
828 see http://www.cs.indiana.edu/picons/ftp/index.html"
829 :type '(repeat directory)
830 :link '(url-link :tag "download"
831 "http://www.cs.indiana.edu/picons/ftp/index.html")
832 :link '(custom-manual "(gnus)Picons")
835 (defun gnus-picons-installed-p ()
836 "Say whether picons are installed on your machine."
837 (let ((installed nil))
838 (dolist (database gnus-picon-databases)
839 (when (file-exists-p database)
843 (defcustom gnus-article-mime-part-function nil
844 "Function called with a MIME handle as the argument.
845 This is meant for people who want to do something automatic based
846 on parts -- for instance, adding Vcard info to a database."
847 :group 'gnus-article-mime
850 (defcustom gnus-mime-multipart-functions nil
851 "An alist of MIME types to functions to display them."
853 :group 'gnus-article-mime
854 :type '(repeat (cons :format "%v" (string :tag "MIME type") function)))
856 (defcustom gnus-article-date-lapsed-new-header nil
857 "Whether the X-Sent and Date headers can coexist.
858 When using `gnus-treat-date-lapsed', the \"X-Sent:\" header will
859 either replace the old \"Date:\" header (if this variable is nil), or
860 be added below it (otherwise)."
862 :group 'gnus-article-headers
865 (defcustom gnus-article-mime-match-handle-function 'undisplayed-alternative
866 "Function called with a MIME handle as the argument.
867 This is meant for people who want to view first matched part.
868 For `undisplayed-alternative' (default), the first undisplayed
869 part or alternative part is used. For `undisplayed', the first
870 undisplayed part is used. For a function, the first part which
871 the function return t is used. For nil, the first part is
874 :group 'gnus-article-mime
876 (item :tag "first" :value nil)
877 (item :tag "undisplayed" :value undisplayed)
878 (item :tag "undisplayed or alternative"
879 :value undisplayed-alternative)
882 (defcustom gnus-mime-action-alist
883 '(("save to file" . gnus-mime-save-part)
884 ("save and strip" . gnus-mime-save-part-and-strip)
885 ("delete part" . gnus-mime-delete-part)
886 ("display as text" . gnus-mime-inline-part)
887 ("view the part" . gnus-mime-view-part)
888 ("pipe to command" . gnus-mime-pipe-part)
889 ("toggle display" . gnus-article-press-button)
890 ("toggle display" . gnus-article-view-part-as-charset)
891 ("view as type" . gnus-mime-view-part-as-type)
892 ("view internally" . gnus-mime-view-part-internally)
893 ("view externally" . gnus-mime-view-part-externally))
894 "An alist of actions that run on the MIME attachment."
895 :group 'gnus-article-mime
896 :type '(repeat (cons (string :tag "name")
900 ;;; The treatment variables
903 (defvar gnus-part-display-hook nil
904 "Hook called on parts that are to receive treatment.")
906 (defvar gnus-article-treat-custom
907 '(choice (const :tag "Off" nil)
909 (const :tag "Header" head)
910 (const :tag "Last" last)
911 (const :tag "Mime" mime)
912 (integer :tag "Less")
913 (repeat :tag "Groups" regexp)
914 (sexp :tag "Predicate")))
916 (defvar gnus-article-treat-head-custom
917 '(choice (const :tag "Off" nil)
918 (const :tag "Header" head)))
920 (defvar gnus-article-treat-types '("text/plain")
923 (defvar gnus-inhibit-treatment nil
924 "Whether to inhibit treatment.")
926 (defcustom gnus-treat-highlight-signature '(or t (typep "text/x-vcard"))
927 "Highlight the signature.
928 Valid values are nil, t, `head', `last', an integer or a predicate.
929 See Info node `(gnus)Customizing Articles'."
930 :group 'gnus-article-treat
931 :link '(custom-manual "(gnus)Customizing Articles")
932 :type gnus-article-treat-custom)
933 (put 'gnus-treat-highlight-signature 'highlight t)
935 (defcustom gnus-treat-buttonize 100000
937 Valid values are nil, t, `head', `last', an integer or a predicate.
938 See Info node `(gnus)Customizing Articles'."
939 :group 'gnus-article-treat
940 :link '(custom-manual "(gnus)Customizing Articles")
941 :type gnus-article-treat-custom)
942 (put 'gnus-treat-buttonize 'highlight t)
944 (defcustom gnus-treat-buttonize-head 'head
945 "Add buttons to the head.
946 Valid values are nil, t, `head', `last', an integer or a predicate.
947 See Info node `(gnus)Customizing Articles' for details."
948 :group 'gnus-article-treat
949 :link '(custom-manual "(gnus)Customizing Articles")
950 :type gnus-article-treat-head-custom)
951 (put 'gnus-treat-buttonize-head 'highlight t)
953 (defcustom gnus-treat-emphasize
954 (and (or window-system
958 Valid values are nil, t, `head', `last', an integer or a predicate.
959 See Info node `(gnus)Customizing Articles' for details."
960 :group 'gnus-article-treat
961 :link '(custom-manual "(gnus)Customizing Articles")
962 :type gnus-article-treat-custom)
963 (put 'gnus-treat-emphasize 'highlight t)
965 (defcustom gnus-treat-strip-cr nil
966 "Remove carriage returns.
967 Valid values are nil, t, `head', `last', an integer or a predicate.
968 See Info node `(gnus)Customizing Articles' for details."
969 :group 'gnus-article-treat
970 :link '(custom-manual "(gnus)Customizing Articles")
971 :type gnus-article-treat-custom)
973 (defcustom gnus-treat-unsplit-urls nil
974 "Remove newlines from within URLs.
975 Valid values are nil, t, `head', `last', an integer or a predicate.
976 See Info node `(gnus)Customizing Articles' for details."
977 :group 'gnus-article-treat
978 :link '(custom-manual "(gnus)Customizing Articles")
979 :type gnus-article-treat-custom)
981 (defcustom gnus-treat-leading-whitespace nil
982 "Remove leading whitespace in headers.
983 Valid values are nil, t, `head', `last', an integer or a predicate.
984 See Info node `(gnus)Customizing Articles' for details."
985 :group 'gnus-article-treat
986 :link '(custom-manual "(gnus)Customizing Articles")
987 :type gnus-article-treat-custom)
989 (defcustom gnus-treat-hide-headers 'head
991 Valid values are nil, t, `head', `last', an integer or a predicate.
992 See Info node `(gnus)Customizing Articles' for details."
993 :group 'gnus-article-treat
994 :link '(custom-manual "(gnus)Customizing Articles")
995 :type gnus-article-treat-head-custom)
997 (defcustom gnus-treat-hide-boring-headers nil
998 "Hide boring headers.
999 Valid values are nil, t, `head', `last', an integer or a predicate.
1000 See Info node `(gnus)Customizing Articles' for details."
1001 :group 'gnus-article-treat
1002 :link '(custom-manual "(gnus)Customizing Articles")
1003 :type gnus-article-treat-head-custom)
1005 (defcustom gnus-treat-hide-signature nil
1006 "Hide the signature.
1007 Valid values are nil, t, `head', `last', an integer or a predicate.
1008 See Info node `(gnus)Customizing Articles' for details."
1009 :group 'gnus-article-treat
1010 :link '(custom-manual "(gnus)Customizing Articles")
1011 :type gnus-article-treat-custom)
1013 (defcustom gnus-treat-fill-article nil
1015 Valid values are nil, t, `head', `last', an integer or a predicate.
1016 See Info node `(gnus)Customizing Articles' for details."
1017 :group 'gnus-article-treat
1018 :link '(custom-manual "(gnus)Customizing Articles")
1019 :type gnus-article-treat-custom)
1021 (defcustom gnus-treat-hide-citation nil
1023 Valid values are nil, t, `head', `last', an integer or a predicate.
1024 See Info node `(gnus)Customizing Articles' for details."
1025 :group 'gnus-article-treat
1026 :link '(custom-manual "(gnus)Customizing Articles")
1027 :type gnus-article-treat-custom)
1029 (defcustom gnus-treat-hide-citation-maybe nil
1031 Valid values are nil, t, `head', `last', an integer or a predicate.
1032 See Info node `(gnus)Customizing Articles' for details."
1033 :group 'gnus-article-treat
1034 :link '(custom-manual "(gnus)Customizing Articles")
1035 :type gnus-article-treat-custom)
1037 (defcustom gnus-treat-strip-list-identifiers 'head
1038 "Strip list identifiers from `gnus-list-identifiers`.
1039 Valid values are nil, t, `head', `last', an integer or a predicate.
1040 See Info node `(gnus)Customizing Articles' for details."
1042 :group 'gnus-article-treat
1043 :link '(custom-manual "(gnus)Customizing Articles")
1044 :type gnus-article-treat-custom)
1046 (make-obsolete-variable 'gnus-treat-strip-pgp
1047 "This option is obsolete in Gnus 5.10.")
1049 (defcustom gnus-treat-strip-pem nil
1050 "Strip PEM signatures.
1051 Valid values are nil, t, `head', `last', an integer or a predicate.
1052 See Info node `(gnus)Customizing Articles' for details."
1053 :group 'gnus-article-treat
1054 :link '(custom-manual "(gnus)Customizing Articles")
1055 :type gnus-article-treat-custom)
1057 (defcustom gnus-treat-strip-banner t
1058 "Strip banners from articles.
1059 The banner to be stripped is specified in the `banner' group parameter.
1060 Valid values are nil, t, `head', `last', an integer or a predicate.
1061 See Info node `(gnus)Customizing Articles' for details."
1062 :group 'gnus-article-treat
1063 :link '(custom-manual "(gnus)Customizing Articles")
1064 :type gnus-article-treat-custom)
1066 (defcustom gnus-treat-highlight-headers 'head
1067 "Highlight the headers.
1068 Valid values are nil, t, `head', `last', an integer or a predicate.
1069 See Info node `(gnus)Customizing Articles' for details."
1070 :group 'gnus-article-treat
1071 :link '(custom-manual "(gnus)Customizing Articles")
1072 :type gnus-article-treat-head-custom)
1073 (put 'gnus-treat-highlight-headers 'highlight t)
1075 (defcustom gnus-treat-highlight-citation t
1076 "Highlight cited text.
1077 Valid values are nil, t, `head', `last', an integer or a predicate.
1078 See Info node `(gnus)Customizing Articles' for details."
1079 :group 'gnus-article-treat
1080 :link '(custom-manual "(gnus)Customizing Articles")
1081 :type gnus-article-treat-custom)
1082 (put 'gnus-treat-highlight-citation 'highlight t)
1084 (defcustom gnus-treat-date-ut nil
1085 "Display the Date in UT (GMT).
1086 Valid values are nil, t, `head', `last', an integer or a predicate.
1087 See Info node `(gnus)Customizing Articles' for details."
1088 :group 'gnus-article-treat
1089 :link '(custom-manual "(gnus)Customizing Articles")
1090 :type gnus-article-treat-head-custom)
1092 (defcustom gnus-treat-date-local nil
1093 "Display the Date in the local timezone.
1094 Valid values are nil, t, `head', `last', an integer or a predicate.
1095 See Info node `(gnus)Customizing Articles' for details."
1096 :group 'gnus-article-treat
1097 :link '(custom-manual "(gnus)Customizing Articles")
1098 :type gnus-article-treat-head-custom)
1100 (defcustom gnus-treat-date-english nil
1101 "Display the Date in a format that can be read aloud in English.
1102 Valid values are nil, t, `head', `last', an integer or a predicate.
1103 See Info node `(gnus)Customizing Articles' for details."
1104 :group 'gnus-article-treat
1105 :link '(custom-manual "(gnus)Customizing Articles")
1106 :type gnus-article-treat-head-custom)
1108 (defcustom gnus-treat-date-lapsed nil
1109 "Display the Date header in a way that says how much time has elapsed.
1110 Valid values are nil, t, `head', `last', an integer or a predicate.
1111 See Info node `(gnus)Customizing Articles' for details."
1112 :group 'gnus-article-treat
1113 :link '(custom-manual "(gnus)Customizing Articles")
1114 :type gnus-article-treat-head-custom)
1116 (defcustom gnus-treat-date-original nil
1117 "Display the date in the original timezone.
1118 Valid values are nil, t, `head', `last', an integer or a predicate.
1119 See Info node `(gnus)Customizing Articles' for details."
1120 :group 'gnus-article-treat
1121 :link '(custom-manual "(gnus)Customizing Articles")
1122 :type gnus-article-treat-head-custom)
1124 (defcustom gnus-treat-date-iso8601 nil
1125 "Display the date in the ISO8601 format.
1126 Valid values are nil, t, `head', `last', an integer or a predicate.
1127 See Info node `(gnus)Customizing Articles' for details."
1129 :group 'gnus-article-treat
1130 :link '(custom-manual "(gnus)Customizing Articles")
1131 :type gnus-article-treat-head-custom)
1133 (defcustom gnus-treat-date-user-defined nil
1134 "Display the date in a user-defined format.
1135 The format is defined by the `gnus-article-time-format' variable.
1136 Valid values are nil, t, `head', `last', an integer or a predicate.
1137 See Info node `(gnus)Customizing Articles' for details."
1138 :group 'gnus-article-treat
1139 :link '(custom-manual "(gnus)Customizing Articles")
1140 :type gnus-article-treat-head-custom)
1142 (defcustom gnus-treat-strip-headers-in-body t
1143 "Strip the X-No-Archive header line from the beginning of the body.
1144 Valid values are nil, t, `head', `last', an integer or a predicate.
1145 See Info node `(gnus)Customizing Articles' for details."
1147 :group 'gnus-article-treat
1148 :link '(custom-manual "(gnus)Customizing Articles")
1149 :type gnus-article-treat-custom)
1151 (defcustom gnus-treat-strip-trailing-blank-lines nil
1152 "Strip trailing blank lines.
1153 Valid values are nil, t, `head', `last', an integer or a predicate.
1154 See Info node `(gnus)Customizing Articles' for details."
1155 :group 'gnus-article-treat
1156 :link '(custom-manual "(gnus)Customizing Articles")
1157 :type gnus-article-treat-custom)
1159 (defcustom gnus-treat-strip-leading-blank-lines nil
1160 "Strip leading blank lines.
1161 Valid values are nil, t, `head', `last', an integer or a predicate.
1162 See Info node `(gnus)Customizing Articles' for details."
1163 :group 'gnus-article-treat
1164 :link '(custom-manual "(gnus)Customizing Articles")
1165 :type gnus-article-treat-custom)
1167 (defcustom gnus-treat-strip-multiple-blank-lines nil
1168 "Strip multiple blank lines.
1169 Valid values are nil, t, `head', `last', an integer or a predicate.
1170 See Info node `(gnus)Customizing Articles' for details."
1171 :group 'gnus-article-treat
1172 :link '(custom-manual "(gnus)Customizing Articles")
1173 :type gnus-article-treat-custom)
1175 (defcustom gnus-treat-unfold-headers 'head
1176 "Unfold folded header lines.
1177 Valid values are nil, t, `head', `last', an integer or a predicate.
1178 See Info node `(gnus)Customizing Articles' for details."
1179 :group 'gnus-article-treat
1180 :link '(custom-manual "(gnus)Customizing Articles")
1181 :type gnus-article-treat-custom)
1183 (defcustom gnus-treat-fold-headers nil
1185 Valid values are nil, t, `head', `last', an integer or a predicate.
1186 See Info node `(gnus)Customizing Articles' for details."
1187 :group 'gnus-article-treat
1188 :link '(custom-manual "(gnus)Customizing Articles")
1189 :type gnus-article-treat-custom)
1191 (defcustom gnus-treat-fold-newsgroups 'head
1192 "Fold the Newsgroups and Followup-To headers.
1193 Valid values are nil, t, `head', `last', an integer or a predicate.
1194 See Info node `(gnus)Customizing Articles' for details."
1195 :group 'gnus-article-treat
1196 :link '(custom-manual "(gnus)Customizing Articles")
1197 :type gnus-article-treat-custom)
1199 (defcustom gnus-treat-overstrike t
1200 "Treat overstrike highlighting.
1201 Valid values are nil, t, `head', `last', an integer or a predicate.
1202 See Info node `(gnus)Customizing Articles' for details."
1203 :group 'gnus-article-treat
1204 :link '(custom-manual "(gnus)Customizing Articles")
1205 :type gnus-article-treat-custom)
1206 (put 'gnus-treat-overstrike 'highlight t)
1208 (defcustom gnus-treat-ansi-sequences (if (locate-library "ansi-color") t)
1209 "Treat ANSI SGR control sequences.
1210 Valid values are nil, t, `head', `last', an integer or a predicate.
1211 See Info node `(gnus)Customizing Articles' for details."
1212 :group 'gnus-article-treat
1213 :link '(custom-manual "(gnus)Customizing Articles")
1214 :type gnus-article-treat-custom)
1216 (make-obsolete-variable 'gnus-treat-display-xface
1217 'gnus-treat-display-x-face)
1219 (defcustom gnus-treat-display-x-face
1220 (and (not noninteractive)
1221 (or (memq gnus-article-x-face-command
1222 '(x-face-decode-message-header
1223 x-face-mule-gnus-article-display-x-face))
1224 (and (fboundp 'image-type-available-p)
1225 (image-type-available-p 'xbm)
1226 (string-match "^0x" (shell-command-to-string "uncompface"))
1227 (executable-find "icontopbm"))
1228 (and (featurep 'xemacs)
1231 "Display X-Face headers.
1232 Valid values are nil, t, `head', `last', an integer or a predicate.
1233 See Info node `(gnus)Customizing Articles' and Info node
1234 `(gnus)X-Face' for details."
1235 :group 'gnus-article-treat
1237 :link '(custom-manual "(gnus)Customizing Articles")
1238 :link '(custom-manual "(gnus)X-Face")
1239 :type gnus-article-treat-head-custom
1240 :set (lambda (symbol value)
1243 (cond ((or (boundp symbol) (get symbol 'saved-value))
1245 ((boundp 'gnus-treat-display-xface)
1247 ** gnus-treat-display-xface is an obsolete variable;\
1248 use gnus-treat-display-x-face instead")
1249 (default-value 'gnus-treat-display-xface))
1250 ((get 'gnus-treat-display-xface 'saved-value)
1252 ** gnus-treat-display-xface is an obsolete variable;\
1253 use gnus-treat-display-x-face instead")
1254 (eval (car (get 'gnus-treat-display-xface 'saved-value))))
1257 (put 'gnus-treat-display-x-face 'highlight t)
1259 (defcustom gnus-article-should-use-smiley-mule
1260 (not (or (featurep 'xemacs)
1261 (gnus-image-type-available-p 'xpm)
1262 (gnus-image-type-available-p 'pbm)))
1263 "Non-nil means use `smiley-mule' to show smileys rather than `smiley'.
1264 `smiley-mule' is boundled in BITMAP-MULE package. You can set it to t
1265 even if your Emacs supports images. It has no effect on XEmacs."
1266 :group 'gnus-article-various
1268 :get (lambda (symbol)
1269 (and (not noninteractive)
1270 (default-value symbol)
1271 (not (featurep 'xemacs))
1272 (module-installed-p 'smiley-mule)
1274 :set (lambda (symbol value)
1275 (set-default symbol (and (not noninteractive)
1277 (not (featurep 'xemacs))
1278 (module-installed-p 'smiley-mule)
1281 (defvar gnus-article-smiley-mule-loaded-p nil
1282 "Internal variable used to say whether `smiley-mule' is loaded (whether
1283 smiley functions are not overridden by `smiley').")
1285 (defcustom gnus-treat-display-face
1286 (and (not noninteractive)
1287 ;; x-face-e21 handles both X-Face and Face headers.
1288 (not (and (eq gnus-article-x-face-command 'x-face-decode-message-header)
1289 (module-installed-p 'x-face-e21)))
1290 (or (and (fboundp 'image-type-available-p)
1291 (image-type-available-p 'png))
1292 (and (featurep 'xemacs)
1295 "Display Face headers.
1296 Valid values are nil, t, `head', `last', an integer or a predicate.
1297 See Info node `(gnus)Customizing Articles' and Info node
1298 `(gnus)X-Face' for details."
1299 :group 'gnus-article-treat
1301 :link '(custom-manual "(gnus)Customizing Articles")
1302 :link '(custom-manual "(gnus)X-Face")
1303 :type gnus-article-treat-head-custom)
1304 (put 'gnus-treat-display-face 'highlight t)
1306 (defcustom gnus-treat-display-smileys
1307 (if (and (not noninteractive)
1308 (or (and (featurep 'xemacs)
1310 (gnus-image-type-available-p 'xpm)
1311 (gnus-image-type-available-p 'pbm)
1312 (and (not (featurep 'xemacs))
1314 (module-installed-p 'smiley-mule))))
1318 Valid values are nil, t, `head', `last', an integer or a predicate.
1319 See Info node `(gnus)Customizing Articles' and Info node
1320 `(gnus)Smileys' for details."
1321 :group 'gnus-article-treat
1323 :link '(custom-manual "(gnus)Customizing Articles")
1324 :link '(custom-manual "(gnus)Smileys")
1325 :type gnus-article-treat-custom)
1326 (put 'gnus-treat-display-smileys 'highlight t)
1328 (defcustom gnus-treat-from-picon
1329 (if (and (gnus-image-type-available-p 'xpm)
1330 (gnus-picons-installed-p))
1332 "Display picons in the From header.
1333 Valid values are nil, t, `head', `last', an integer or a predicate.
1334 See Info node `(gnus)Customizing Articles' and Info node
1335 `(gnus)Picons' for details."
1336 :group 'gnus-article-treat
1338 :link '(custom-manual "(gnus)Customizing Articles")
1339 :link '(custom-manual "(gnus)Picons")
1340 :type gnus-article-treat-head-custom)
1341 (put 'gnus-treat-from-picon 'highlight t)
1343 (defcustom gnus-treat-mail-picon
1344 (if (and (gnus-image-type-available-p 'xpm)
1345 (gnus-picons-installed-p))
1347 "Display picons in To and Cc headers.
1348 Valid values are nil, t, `head', `last', an integer or a predicate.
1349 See Info node `(gnus)Customizing Articles' and Info node
1350 `(gnus)Picons' for details."
1351 :group 'gnus-article-treat
1353 :link '(custom-manual "(gnus)Customizing Articles")
1354 :link '(custom-manual "(gnus)Picons")
1355 :type gnus-article-treat-head-custom)
1356 (put 'gnus-treat-mail-picon 'highlight t)
1358 (defcustom gnus-treat-newsgroups-picon
1359 (if (and (gnus-image-type-available-p 'xpm)
1360 (gnus-picons-installed-p))
1362 "Display picons in the Newsgroups and Followup-To headers.
1363 Valid values are nil, t, `head', `last', an integer or a predicate.
1364 See Info node `(gnus)Customizing Articles' and Info node
1365 `(gnus)Picons' for details."
1366 :group 'gnus-article-treat
1368 :link '(custom-manual "(gnus)Customizing Articles")
1369 :link '(custom-manual "(gnus)Picons")
1370 :type gnus-article-treat-head-custom)
1371 (put 'gnus-treat-newsgroups-picon 'highlight t)
1373 (defcustom gnus-treat-body-boundary
1374 (if (or gnus-treat-newsgroups-picon
1375 gnus-treat-mail-picon
1376 gnus-treat-from-picon)
1378 "Draw a boundary at the end of the headers.
1379 Valid values are nil and `head'.
1380 See Info node `(gnus)Customizing Articles' for details."
1382 :group 'gnus-article-treat
1383 :link '(custom-manual "(gnus)Customizing Articles")
1384 :type gnus-article-treat-head-custom)
1386 (defcustom gnus-treat-capitalize-sentences nil
1387 "Capitalize sentence-starting words.
1388 Valid values are nil, t, `head', `last', an integer or a predicate.
1389 See Info node `(gnus)Customizing Articles' for details."
1391 :group 'gnus-article-treat
1392 :link '(custom-manual "(gnus)Customizing Articles")
1393 :type gnus-article-treat-custom)
1395 (defcustom gnus-treat-wash-html nil
1397 Valid values are nil, t, `head', `last', an integer or a predicate.
1398 See Info node `(gnus)Customizing Articles' for details."
1399 :group 'gnus-article-treat
1400 :link '(custom-manual "(gnus)Customizing Articles")
1401 :type gnus-article-treat-custom)
1403 (defcustom gnus-treat-fill-long-lines nil
1405 Valid values are nil, t, `head', `last', an integer or a predicate.
1406 See Info node `(gnus)Customizing Articles' for details."
1407 :group 'gnus-article-treat
1408 :link '(custom-manual "(gnus)Customizing Articles")
1409 :type gnus-article-treat-custom)
1411 (defcustom gnus-treat-play-sounds nil
1413 Valid values are nil, t, `head', `last', an integer or a predicate.
1414 See Info node `(gnus)Customizing Articles' for details."
1416 :group 'gnus-article-treat
1417 :link '(custom-manual "(gnus)Customizing Articles")
1418 :type gnus-article-treat-custom)
1420 (defcustom gnus-treat-decode-article-as-default-mime-charset nil
1421 "Decode an article as `default-mime-charset'. For instance, if you want to
1422 attempt to decode an article even if the value of `gnus-show-mime' is nil,
1423 you could set this variable to something like: nil for don't decode, t for
1424 decode the body, '(or header t) for the whole article, etc."
1425 :group 'gnus-article-treat
1426 :type '(radio (const :tag "Off" nil)
1427 (const :tag "Decode body" t)
1428 (const :tag "Decode all" (or head t))))
1430 (defcustom gnus-treat-translate nil
1431 "Translate articles from one language to another.
1432 Valid values are nil, t, `head', `last', an integer or a predicate.
1433 See Info node `(gnus)Customizing Articles' for details."
1435 :group 'gnus-article-treat
1436 :link '(custom-manual "(gnus)Customizing Articles")
1437 :type gnus-article-treat-custom)
1439 (defcustom gnus-treat-x-pgp-sig nil
1441 To automatically treat X-PGP-Sig, set it to head.
1442 Valid values are nil, t, `head', `last', an integer or a predicate.
1443 See Info node `(gnus)Customizing Articles' for details."
1444 :group 'gnus-article-treat
1445 :group 'mime-security
1446 :type gnus-article-treat-custom)
1448 (defcustom gnus-treat-monafy nil
1449 "Display body part with mona font.
1450 Valid values are nil, t, `head', `last', an integer or a predicate.
1451 See Info node `(gnus)Customizing Articles' for details."
1452 :group 'gnus-article-treat
1453 :group 'mime-security
1454 :link '(custom-manual "(gnus)Customizing Articles")
1455 :type gnus-article-treat-custom)
1457 (defvar gnus-article-encrypt-protocol-alist
1458 '(("PGP" . mml2015-self-encrypt)))
1460 ;; Set to nil if more than one protocol added to
1461 ;; gnus-article-encrypt-protocol-alist.
1462 (defcustom gnus-article-encrypt-protocol "PGP"
1463 "The protocol used for encrypt articles.
1464 It is a string, such as \"PGP\". If nil, ask user."
1466 :group 'mime-security)
1468 (defvar gnus-article-wash-function nil
1469 "Function used for converting HTML into text.")
1471 (defcustom gnus-use-idna (and (condition-case nil (require 'idna) (file-error))
1472 (mm-coding-system-p 'utf-8)
1473 (executable-find idna-program))
1474 "Whether IDNA decoding of headers is used when viewing messages.
1475 This requires GNU Libidn, and by default only enabled if it is found."
1476 :group 'gnus-article-headers
1479 (defcustom gnus-article-over-scroll nil
1480 "If non-nil, allow scrolling the article buffer even when there no more text."
1481 :group 'gnus-article
1484 ;;; Internal variables
1486 (defvar gnus-english-month-names
1487 '("January" "February" "March" "April" "May" "June" "July" "August"
1488 "September" "October" "November" "December"))
1490 (defvar gnus-button-regexp nil)
1491 (defvar gnus-button-marker-list nil)
1492 ;; Regexp matching any of the regexps from `gnus-button-alist'.
1494 (defvar gnus-button-last nil)
1495 ;; The value of `gnus-button-alist' when `gnus-button-regexp' was build.
1497 (defvar article-goto-body-goes-to-point-min-p nil)
1498 (defvar gnus-article-wash-types nil)
1499 (defvar gnus-article-emphasis-alist nil)
1500 (defvar gnus-article-image-alist nil)
1502 (defvar gnus-article-mime-handle-alist-1 nil)
1503 (defvar gnus-treatment-function-alist
1504 '((gnus-treat-decode-article-as-default-mime-charset
1505 gnus-article-decode-article-as-default-mime-charset)
1506 (gnus-treat-x-pgp-sig gnus-article-verify-x-pgp-sig)
1507 (gnus-treat-monafy gnus-article-monafy)
1508 (gnus-treat-strip-banner gnus-article-strip-banner)
1509 (gnus-treat-strip-headers-in-body gnus-article-strip-headers-in-body)
1510 (gnus-treat-buttonize gnus-article-add-buttons)
1511 (gnus-treat-fill-article gnus-article-fill-cited-article)
1512 (gnus-treat-fill-long-lines gnus-article-fill-long-lines)
1513 (gnus-treat-strip-cr gnus-article-remove-cr)
1514 (gnus-treat-unsplit-urls gnus-article-unsplit-urls)
1515 (gnus-treat-date-ut gnus-article-date-ut)
1516 (gnus-treat-date-local gnus-article-date-local)
1517 (gnus-treat-date-english gnus-article-date-english)
1518 (gnus-treat-date-lapsed gnus-article-date-lapsed)
1519 (gnus-treat-date-original gnus-article-date-original)
1520 (gnus-treat-date-user-defined gnus-article-date-user)
1521 (gnus-treat-date-iso8601 gnus-article-date-iso8601)
1522 (gnus-treat-display-face gnus-article-display-face)
1523 (gnus-treat-hide-headers gnus-article-maybe-hide-headers)
1524 (gnus-treat-hide-boring-headers gnus-article-hide-boring-headers)
1525 (gnus-treat-hide-signature gnus-article-hide-signature)
1526 (gnus-treat-strip-list-identifiers gnus-article-hide-list-identifiers)
1527 (gnus-treat-leading-whitespace gnus-article-remove-leading-whitespace)
1528 (gnus-treat-strip-pem gnus-article-hide-pem)
1529 (gnus-treat-from-picon gnus-treat-from-picon)
1530 (gnus-treat-mail-picon gnus-treat-mail-picon)
1531 (gnus-treat-newsgroups-picon gnus-treat-newsgroups-picon)
1532 (gnus-treat-highlight-headers gnus-article-highlight-headers)
1533 (gnus-treat-highlight-signature gnus-article-highlight-signature)
1534 (gnus-treat-strip-trailing-blank-lines
1535 gnus-article-remove-trailing-blank-lines)
1536 (gnus-treat-strip-leading-blank-lines
1537 gnus-article-strip-leading-blank-lines)
1538 (gnus-treat-strip-multiple-blank-lines
1539 gnus-article-strip-multiple-blank-lines)
1540 (gnus-treat-overstrike gnus-article-treat-overstrike)
1541 (gnus-treat-ansi-sequences gnus-article-treat-ansi-sequences)
1542 (gnus-treat-unfold-headers gnus-article-treat-unfold-headers)
1543 (gnus-treat-fold-headers gnus-article-treat-fold-headers)
1544 ;; Displaying X-Face should be done after unfolding headers
1545 ;; to protect bitmap lines.
1546 (gnus-treat-display-x-face gnus-article-display-x-face)
1547 (gnus-treat-fold-newsgroups gnus-article-treat-fold-newsgroups)
1548 (gnus-treat-buttonize-head gnus-article-add-buttons-to-head)
1549 (gnus-treat-display-smileys gnus-treat-smiley)
1550 (gnus-treat-capitalize-sentences gnus-article-capitalize-sentences)
1551 (gnus-treat-wash-html gnus-article-wash-html)
1552 (gnus-treat-emphasize gnus-article-emphasize)
1553 (gnus-treat-hide-citation gnus-article-hide-citation)
1554 (gnus-treat-hide-citation-maybe gnus-article-hide-citation-maybe)
1555 (gnus-treat-highlight-citation gnus-article-highlight-citation)
1556 (gnus-treat-body-boundary gnus-article-treat-body-boundary)
1557 (gnus-treat-play-sounds gnus-earcon-display)))
1559 (defvar gnus-article-mime-handle-alist nil)
1560 (defvar article-lapsed-timer nil)
1561 (defvar gnus-article-current-summary nil)
1563 (defvar gnus-article-mode-syntax-table
1564 (let ((table (copy-syntax-table text-mode-syntax-table)))
1565 ;; This causes the citation match run O(2^n).
1566 ;; (modify-syntax-entry ?- "w" table)
1567 (modify-syntax-entry ?> ")<" table)
1568 (modify-syntax-entry ?< "(>" table)
1569 ;; make M-. in article buffers work for `foo' strings
1570 (modify-syntax-entry ?' " " table)
1571 (modify-syntax-entry ?` " " table)
1573 "Syntax table used in article mode buffers.
1574 Initialized from `text-mode-syntax-table.")
1576 (defvar gnus-save-article-buffer nil)
1578 (defvar gnus-article-mode-line-format-alist
1579 (nconc '((?w (gnus-article-wash-status) ?s)
1580 (?m (gnus-article-mime-part-status) ?s))
1581 gnus-summary-mode-line-format-alist))
1583 (defvar gnus-number-of-articles-to-be-saved nil)
1585 (defvar gnus-inhibit-hiding nil)
1587 (defvar gnus-article-edit-mode nil)
1589 ;;; Macros for dealing with the article buffer.
1591 (defmacro gnus-with-article-headers (&rest forms)
1593 (set-buffer gnus-article-buffer)
1595 (let ((buffer-read-only nil)
1596 (inhibit-point-motion-hooks t)
1597 (case-fold-search t))
1598 (article-narrow-to-head)
1601 (put 'gnus-with-article-headers 'lisp-indent-function 0)
1602 (put 'gnus-with-article-headers 'edebug-form-spec '(body))
1604 (defmacro gnus-with-article-buffer (&rest forms)
1606 (set-buffer gnus-article-buffer)
1607 (let ((buffer-read-only nil))
1610 (put 'gnus-with-article-buffer 'lisp-indent-function 0)
1611 (put 'gnus-with-article-buffer 'edebug-form-spec '(body))
1613 (defun gnus-article-goto-header (header)
1614 "Go to HEADER, which is a regular expression."
1615 (re-search-forward (concat "^\\(" header "\\):") nil t))
1617 (defsubst gnus-article-hide-text (b e props)
1618 "Set text PROPS on the B to E region, extending `intangible' 1 past B."
1619 (gnus-add-text-properties-when 'article-type nil b e props)
1620 (when (memq 'intangible props)
1622 (max (1- b) (point-min))
1623 b 'intangible (cddr (memq 'intangible props)))))
1625 (defsubst gnus-article-unhide-text (b e)
1626 "Remove hidden text properties from region between B and E."
1627 (remove-text-properties b e gnus-hidden-properties)
1628 (when (memq 'intangible gnus-hidden-properties)
1629 (put-text-property (max (1- b) (point-min))
1630 b 'intangible nil)))
1632 (defun gnus-article-hide-text-type (b e type)
1633 "Hide text of TYPE between B and E."
1634 (gnus-add-wash-type type)
1635 (gnus-article-hide-text
1636 b e (cons 'article-type (cons type gnus-hidden-properties))))
1638 (defun gnus-article-unhide-text-type (b e type)
1639 "Unhide text of TYPE between B and E."
1640 (gnus-delete-wash-type type)
1641 (remove-text-properties
1642 b e (cons 'article-type (cons type gnus-hidden-properties)))
1643 (when (memq 'intangible gnus-hidden-properties)
1644 (put-text-property (max (1- b) (point-min))
1645 b 'intangible nil)))
1647 (defun gnus-article-hide-text-of-type (type)
1648 "Hide text of TYPE in the current buffer."
1650 (let ((b (point-min))
1652 (while (setq b (text-property-any b e 'article-type type))
1653 (add-text-properties b (incf b) gnus-hidden-properties)))))
1655 (defun gnus-article-delete-text-of-type (type)
1656 "Delete text of TYPE in the current buffer."
1658 (let ((b (point-min)))
1659 (while (setq b (text-property-any b (point-max) 'article-type type))
1661 b (or (text-property-not-all b (point-max) 'article-type type)
1664 (defun gnus-article-delete-invisible-text ()
1665 "Delete all invisible text in the current buffer."
1667 (let ((b (point-min)))
1668 (while (setq b (text-property-any b (point-max) 'invisible t))
1670 b (or (text-property-not-all b (point-max) 'invisible t)
1673 (defun gnus-article-text-type-exists-p (type)
1674 "Say whether any text of type TYPE exists in the buffer."
1675 (text-property-any (point-min) (point-max) 'article-type type))
1677 (defsubst gnus-article-header-rank ()
1678 "Give the rank of the string HEADER as given by `gnus-sorted-header-list'."
1679 (let ((list gnus-sorted-header-list)
1682 (if (looking-at (car list))
1684 (setq list (cdr list))
1688 (defun article-hide-headers (&optional arg delete)
1689 "Hide unwanted headers and possibly sort them as well."
1690 (interactive (gnus-article-hidden-arg))
1691 ;; Lars said that this function might be inhibited.
1692 (if (gnus-article-check-hidden-text 'headers arg)
1694 ;; Show boring headers as well.
1695 (gnus-article-show-hidden-text 'boring-headers)
1696 (when (eq 1 (point-min))
1697 (set-window-start (get-buffer-window (current-buffer)) 1)))
1698 (unless gnus-inhibit-hiding
1701 (let ((inhibit-read-only t)
1702 (case-fold-search t)
1703 (max (1+ (length gnus-sorted-header-list)))
1704 (ignored (when (not gnus-visible-headers)
1705 (cond ((stringp gnus-ignored-headers)
1706 gnus-ignored-headers)
1707 ((listp gnus-ignored-headers)
1708 (mapconcat 'identity gnus-ignored-headers
1711 (cond ((stringp gnus-visible-headers)
1712 gnus-visible-headers)
1713 ((and gnus-visible-headers
1714 (listp gnus-visible-headers))
1715 (mapconcat 'identity gnus-visible-headers "\\|"))))
1716 (inhibit-point-motion-hooks t)
1718 ;; First we narrow to just the headers.
1719 (article-narrow-to-head)
1720 ;; Hide any "From " lines at the beginning of (mail) articles.
1721 (while (looking-at "From ")
1725 (delete-region (point-min) (point))
1726 (gnus-article-hide-text (point-min) (point)
1727 (nconc (list 'article-type 'headers)
1728 gnus-hidden-properties))))
1729 ;; Then treat the rest of the header lines.
1730 ;; Then we use the two regular expressions
1731 ;; `gnus-ignored-headers' and `gnus-visible-headers' to
1732 ;; select which header lines is to remain visible in the
1734 (while (re-search-forward "^[^ \t:]*:" nil t)
1736 ;; Mark the rank of the header.
1738 (point) (1+ (point)) 'message-rank
1739 (if (or (and visible (looking-at visible))
1741 (not (looking-at ignored))))
1742 (gnus-article-header-rank)
1745 (message-sort-headers-1)
1746 (when (setq beg (text-property-any
1747 (point-min) (point-max) 'message-rank (+ 2 max)))
1748 ;; We delete or make invisible the unwanted headers.
1749 (gnus-add-wash-type 'headers)
1752 (add-text-properties
1753 (point-min) (+ 5 (point-min))
1754 '(article-type headers dummy-invisible t))
1755 (delete-region beg (point-max)))
1756 (gnus-article-hide-text-type beg (point-max) 'headers)))))))))
1758 (defun article-hide-boring-headers (&optional arg)
1759 "Toggle hiding of headers that aren't very interesting.
1760 If given a negative prefix, always show; if given a positive prefix,
1762 (interactive (gnus-article-hidden-arg))
1763 (when (and (not (gnus-article-check-hidden-text 'boring-headers arg))
1764 (not gnus-show-all-headers))
1767 (let ((buffer-read-only nil)
1768 (list gnus-boring-article-headers)
1769 (inhibit-point-motion-hooks t)
1771 (article-narrow-to-head)
1773 (setq elem (pop list))
1774 (goto-char (point-min))
1776 ;; Hide empty headers.
1778 (while (re-search-forward "^[^: \t]+:[ \t]*\n[^ \t]" nil t)
1780 (gnus-article-hide-text-type
1784 (if (re-search-forward "^[^ \t]" nil t)
1788 ;; Hide boring Newsgroups header.
1789 ((eq elem 'newsgroups)
1790 (when (gnus-string-equal
1791 (gnus-fetch-field "newsgroups")
1792 (gnus-group-real-name
1793 (if (boundp 'gnus-newsgroup-name)
1796 (gnus-article-hide-header "newsgroups")))
1797 ((eq elem 'to-address)
1798 (let ((to (message-fetch-field "to"))
1800 (gnus-parameter-to-address
1801 (if (boundp 'gnus-newsgroup-name)
1802 gnus-newsgroup-name ""))))
1803 (when (and to to-address
1806 ;; only one address in To
1807 (nth 1 (mail-extract-address-components to))
1809 (gnus-article-hide-header "to"))))
1811 (let ((to (message-fetch-field "to"))
1813 (gnus-parameter-to-list
1814 (if (boundp 'gnus-newsgroup-name)
1815 gnus-newsgroup-name ""))))
1816 (when (and to to-list
1819 ;; only one address in To
1820 (nth 1 (mail-extract-address-components to))
1822 (gnus-article-hide-header "to"))))
1824 (let ((cc (message-fetch-field "cc"))
1826 (gnus-parameter-to-list
1827 (if (boundp 'gnus-newsgroup-name)
1828 gnus-newsgroup-name ""))))
1829 (when (and cc to-list
1832 ;; only one address in CC
1833 (nth 1 (mail-extract-address-components cc))
1835 (gnus-article-hide-header "cc"))))
1836 ((eq elem 'followup-to)
1837 (when (gnus-string-equal
1838 (message-fetch-field "followup-to")
1839 (message-fetch-field "newsgroups"))
1840 (gnus-article-hide-header "followup-to")))
1841 ((eq elem 'reply-to)
1842 (if (gnus-group-find-parameter
1843 gnus-newsgroup-name 'broken-reply-to)
1844 (gnus-article-hide-header "reply-to")
1845 (let ((from (message-fetch-field "from"))
1846 (reply-to (message-fetch-field "reply-to")))
1853 (lambda (x) (downcase (cadr x)))
1854 (mail-extract-address-components from t))
1857 (lambda (x) (downcase (cadr x)))
1858 (mail-extract-address-components reply-to t))
1860 (gnus-article-hide-header "reply-to")))))
1862 (let ((date (message-fetch-field "date")))
1864 (< (days-between (current-time-string) date)
1866 (gnus-article-hide-header "date"))))
1868 (let ((to (message-fetch-field "to"))
1869 (cc (message-fetch-field "cc")))
1870 (when (> (length to) 1024)
1871 (gnus-article-hide-header "to"))
1872 (when (> (length cc) 1024)
1873 (gnus-article-hide-header "cc"))))
1877 (goto-char (point-min))
1878 (while (re-search-forward "^to:" nil t)
1879 (setq to-count (1+ to-count)))
1880 (when (> to-count 1)
1881 (while (> to-count 0)
1882 (goto-char (point-min))
1884 (re-search-forward "^to:" nil nil to-count)
1886 (narrow-to-region (point) (point-max))
1887 (gnus-article-hide-header "to"))
1888 (setq to-count (1- to-count))))
1889 (goto-char (point-min))
1890 (while (re-search-forward "^cc:" nil t)
1891 (setq cc-count (1+ cc-count)))
1892 (when (> cc-count 1)
1893 (while (> cc-count 0)
1894 (goto-char (point-min))
1896 (re-search-forward "^cc:" nil nil cc-count)
1898 (narrow-to-region (point) (point-max))
1899 (gnus-article-hide-header "cc"))
1900 (setq cc-count (1- cc-count)))))))))))))
1902 (defun gnus-article-hide-header (header)
1904 (goto-char (point-min))
1905 (when (re-search-forward (concat "^" header ":") nil t)
1906 (gnus-article-hide-text-type
1910 (if (re-search-forward "^[^ \t]" nil t)
1915 (defvar gnus-article-normalized-header-length 40
1916 "Length of normalized headers.")
1918 (defun article-normalize-headers ()
1919 "Make all header lines 40 characters long."
1921 (let ((buffer-read-only nil)
1925 (article-narrow-to-head)
1928 ((< (setq column (- (point-at-eol) (point)))
1929 gnus-article-normalized-header-length)
1931 (insert (make-string
1932 (- gnus-article-normalized-header-length column)
1934 ((> column gnus-article-normalized-header-length)
1935 (gnus-put-text-property
1937 (forward-char gnus-article-normalized-header-length)
1944 (forward-line 1))))))
1946 (defun article-treat-dumbquotes ()
1947 "Translate M****s*** sm*rtq**t*s and other symbols into proper text.
1948 Note that this function guesses whether a character is a sm*rtq**t* or
1949 not, so it should only be used interactively.
1951 Sm*rtq**t*s are M****s***'s unilateral extension to the
1952 iso-8859-1 character map in an attempt to provide more quoting
1953 characters. If you see something like \\222 or \\264 where
1954 you're expecting some kind of apostrophe or quotation mark, then
1957 (article-translate-strings gnus-article-dumbquotes-map))
1959 (defun article-translate-characters (from to)
1960 "Translate all characters in the body of the article according to FROM and TO.
1961 FROM is a string of characters to translate from; to is a string of
1962 characters to translate to."
1964 (when (article-goto-body)
1965 (let ((buffer-read-only nil)
1966 (x (make-string 225 ?x))
1968 (while (< (incf i) (length x))
1971 (while (< i (length from))
1972 (aset x (aref from i) (aref to i))
1974 (translate-region (point) (point-max) x)))))
1976 (defun article-translate-strings (map)
1977 "Translate all string in the body of the article according to MAP.
1978 MAP is an alist where the elements are on the form (\"from\" \"to\")."
1980 (when (article-goto-body)
1981 (let ((buffer-read-only nil)
1983 (while (setq elem (pop map))
1985 (while (search-forward (car elem) nil t)
1986 (replace-match (cadr elem)))))))))
1988 (defun article-treat-overstrike ()
1989 "Translate overstrikes into bold text."
1992 (when (article-goto-body)
1993 (let ((buffer-read-only nil))
1994 (while (search-forward "\b" nil t)
1995 (let ((next (char-after))
1999 previous (char-after))
2003 ;; We do the boldification/underlining by hiding the
2004 ;; overstrikes and putting the proper text property
2008 (gnus-article-hide-text-type start (point) 'overstrike)
2009 (put-text-property (point) end 'face 'bold))
2011 (gnus-article-hide-text-type
2012 (1- (point)) (1+ (point)) 'overstrike)
2014 start (1- (point)) 'face 'underline))
2016 (gnus-article-hide-text-type start (point) 'overstrike)
2018 (point) end 'face 'underline)))))))))
2020 (defun article-treat-ansi-sequences ()
2021 "Translate ANSI SGR control sequences into overlays or extents."
2024 (when (article-goto-body)
2025 (let ((buffer-read-only nil))
2026 (ansi-color-apply-on-region (point) (point-max))))))
2028 (defun gnus-article-treat-unfold-headers ()
2029 "Unfold folded message headers.
2030 Only the headers that fit into the current window width will be
2033 (gnus-with-article-headers
2037 (mail-header-narrow-to-field)
2038 (let ((header (buffer-string)))
2041 (goto-char (point-min))
2042 (while (re-search-forward "\n[\t ]" nil t)
2043 (replace-match " " t t)))
2044 (setq length (- (point-max) (point-min) 1)))
2045 (when (< length (window-width))
2046 (while (re-search-forward "\n[\t ]" nil t)
2047 (replace-match " " t t)))
2048 (goto-char (point-max)))))))
2050 (defun gnus-article-treat-fold-headers ()
2051 "Fold message headers."
2053 (gnus-with-article-headers
2056 (mail-header-narrow-to-field)
2057 (mail-header-fold-field)
2058 (goto-char (point-max))))))
2060 (defun gnus-treat-smiley ()
2061 "Toggle display of textual emoticons (\"smileys\") as small graphical icons."
2063 (unless (featurep 'xemacs)
2064 (when (and (not gnus-article-should-use-smiley-mule)
2065 gnus-article-smiley-mule-loaded-p)
2066 (load "smiley" nil t)
2067 (setq gnus-article-smiley-mule-loaded-p nil))
2068 (when (and gnus-article-should-use-smiley-mule
2069 (not gnus-article-smiley-mule-loaded-p))
2070 (load "smiley-mule" nil t)
2071 (setq gnus-article-smiley-mule-loaded-p t)))
2072 (gnus-with-article-buffer
2073 (if (memq 'smiley gnus-article-wash-types)
2074 (gnus-delete-images 'smiley)
2076 (let ((images (smiley-region (point) (point-max))))
2078 (gnus-add-wash-type 'smiley)
2079 (dolist (image images)
2080 (gnus-add-image 'smiley image)))))))
2082 (defun gnus-article-remove-images ()
2083 "Remove all images from the article buffer."
2085 (gnus-with-article-buffer
2086 (dolist (elem gnus-article-image-alist)
2087 (gnus-delete-images (car elem)))))
2089 (defun gnus-article-treat-fold-newsgroups ()
2090 "Unfold folded message headers.
2091 Only the headers that fit into the current window width will be
2094 (gnus-with-article-headers
2095 (while (gnus-article-goto-header "newsgroups\\|followup-to")
2097 (mail-header-narrow-to-field)
2098 (while (re-search-forward ", *" nil t)
2099 (replace-match ", " t t))
2100 (mail-header-fold-field)
2101 (goto-char (point-max))))))
2103 (defun gnus-article-treat-body-boundary ()
2104 "Place a boundary line at the end of the headers."
2106 (when (and gnus-body-boundary-delimiter
2107 (> (length gnus-body-boundary-delimiter) 0))
2108 (gnus-with-article-headers
2109 (goto-char (point-max))
2110 (let ((start (point)))
2111 (insert "X-Boundary: ")
2112 (gnus-add-text-properties start (point) '(invisible t intangible t))
2114 (while (>= (1- (window-width)) (length str))
2115 (setq str (concat str gnus-body-boundary-delimiter)))
2116 (substring str 0 (1- (window-width))))
2118 (gnus-put-text-property start (point) 'gnus-decoration 'header)))))
2120 (defun article-fill-long-lines ()
2121 "Fill lines that are wider than the window width."
2124 (let ((buffer-read-only nil)
2125 (width (window-width (get-buffer-window (current-buffer)))))
2128 (let ((adaptive-fill-mode nil)) ;Why? -sm
2131 (when (>= (current-column) (min fill-column width))
2132 (narrow-to-region (min (1+ (point)) (point-max))
2134 (let ((goback (point-marker)))
2135 (fill-paragraph nil)
2136 (goto-char (marker-position goback)))
2138 (forward-line 1)))))))
2140 (defun article-capitalize-sentences ()
2141 "Capitalize the first word in each sentence."
2144 (let ((buffer-read-only nil)
2145 (paragraph-start "^[\n\^L]"))
2149 (forward-sentence)))))
2151 (defun article-remove-cr ()
2152 "Remove trailing CRs and then translate remaining CRs into LFs."
2155 (let ((buffer-read-only nil))
2156 (goto-char (point-min))
2157 (while (re-search-forward "\r+$" nil t)
2158 (replace-match "" t t))
2159 (goto-char (point-min))
2160 (while (search-forward "\r" nil t)
2161 (replace-match "\n" t t)))))
2163 (defun article-remove-trailing-blank-lines ()
2164 "Remove all trailing blank lines from the article."
2167 (let ((buffer-read-only nil))
2168 (goto-char (point-max))
2172 (while (and (not (bobp))
2173 (looking-at "^[ \t]*$")
2174 (not (gnus-annotation-in-region-p
2175 (point) (point-at-eol))))
2181 (defvar gnus-face-properties-alist))
2183 (defun article-display-face ()
2184 "Display any Face headers in the header."
2186 (let ((wash-face-p buffer-read-only))
2187 (gnus-with-article-headers
2188 ;; When displaying parts, this function can be called several times on
2189 ;; the same article, without any intended toggle semantic (as typing `W
2190 ;; D d' would have). So face deletion must occur only when we come from
2191 ;; an interactive command, that is when the *Article* buffer is
2193 (if (and wash-face-p (memq 'face gnus-article-wash-types))
2194 (gnus-delete-images 'face)
2197 (when (and wash-face-p
2199 (goto-char (point-min))
2200 (not (re-search-forward "^Face:[\t ]*" nil t)))
2201 (gnus-buffer-live-p gnus-original-article-buffer))
2202 (set-buffer gnus-original-article-buffer))
2204 (mail-narrow-to-head)
2205 (while (gnus-article-goto-header "Face")
2206 (setq faces (nconc faces (list (mail-header-field-value)))))))
2207 (while (setq face (pop faces))
2208 (let ((png (gnus-convert-face-to-png face))
2212 (apply 'gnus-create-image png 'png t
2213 (cdr (assq 'png gnus-face-properties-alist))))
2214 (gnus-article-goto-header "from")
2216 (insert "From: [no `from' set]\n")
2218 (gnus-add-wash-type 'face)
2219 (gnus-add-image 'face image)
2220 (gnus-put-image image nil 'face))))))
2223 (defun article-display-x-face (&optional force)
2224 "Look for an X-Face header and display it if present."
2225 (interactive (list 'force))
2226 (let ((wash-face-p buffer-read-only)) ;; When type `W f'
2227 (gnus-with-article-headers
2228 ;; Delete the old process, if any.
2229 (when (process-status "article-x-face")
2230 (delete-process "article-x-face"))
2231 ;; See the comment in `article-display-face'.
2232 (if (and wash-face-p (memq 'xface gnus-article-wash-types))
2233 ;; We have already displayed X-Faces, so we remove them
2235 (gnus-delete-images 'xface)
2237 (let (x-faces from face)
2239 (when (and wash-face-p
2241 (goto-char (point-min))
2242 (not (re-search-forward
2243 "^X-Face\\(-[0-9]+\\)?:[\t ]*" nil t)))
2244 (gnus-buffer-live-p gnus-original-article-buffer))
2245 ;; If type `W f', use gnus-original-article-buffer,
2246 ;; otherwise use the current buffer because displaying
2247 ;; RFC822 parts calls this function too.
2248 (set-buffer gnus-original-article-buffer))
2250 (mail-narrow-to-head)
2251 (while (gnus-article-goto-header "X-Face")
2252 (push (mail-header-field-value) x-faces))
2253 (setq from (message-fetch-field "from"))))
2254 ;; Sending multiple EOFs to xv doesn't work, so we only do a
2255 ;; single external face.
2256 (when (stringp gnus-article-x-face-command)
2257 (setq x-faces (list (car x-faces))))
2258 (while (and (setq face (pop x-faces))
2259 gnus-article-x-face-command
2261 ;; Check whether this face is censored.
2262 (not gnus-article-x-face-too-ugly)
2263 (and gnus-article-x-face-too-ugly from
2264 (not (string-match gnus-article-x-face-too-ugly
2266 ;; We display the face.
2267 (cond ((stringp gnus-article-x-face-command)
2268 ;; The command is a string, so we interpret the command
2269 ;; as a, well, command, and fork it off.
2270 (let ((process-connection-type nil))
2271 (process-kill-without-query
2273 "article-x-face" nil shell-file-name
2274 shell-command-switch gnus-article-x-face-command))
2277 (process-send-region "article-x-face"
2278 (point-min) (point-max)))
2279 (process-send-eof "article-x-face")))
2280 ((functionp gnus-article-x-face-command)
2281 ;; The command is a lisp function, so we call it.
2282 (funcall gnus-article-x-face-command face))
2284 (error "%s is not a function"
2285 gnus-article-x-face-command)))))))))
2287 (defun article-decode-mime-words ()
2288 "Decode all MIME-encoded words in the article."
2290 (gnus-with-article-buffer
2291 (let ((inhibit-point-motion-hooks t)
2292 (mail-parse-charset gnus-newsgroup-charset)
2293 (mail-parse-ignored-charsets
2294 (with-current-buffer gnus-summary-buffer
2295 gnus-newsgroup-ignored-charsets)))
2296 (mail-decode-encoded-word-region (point-min) (point-max)))))
2298 (defun article-decode-charset (&optional prompt)
2299 "Decode charset-encoded text in the article.
2300 If PROMPT (the prefix), prompt for a coding system to use."
2302 (let ((inhibit-point-motion-hooks t) (case-fold-search t)
2304 (mail-parse-charset gnus-newsgroup-charset)
2305 (mail-parse-ignored-charsets
2306 (save-excursion (condition-case nil
2307 (set-buffer gnus-summary-buffer)
2309 gnus-newsgroup-ignored-charsets))
2310 ct cte ctl charset format)
2313 (article-narrow-to-head)
2314 (setq ct (message-fetch-field "Content-Type" t)
2315 cte (message-fetch-field "Content-Transfer-Encoding" t)
2316 ctl (and ct (ignore-errors
2317 (mail-header-parse-content-type ct)))
2320 (mm-read-coding-system "Charset to decode: "))
2322 (mail-content-type-get ctl 'charset)))
2323 format (and ctl (mail-content-type-get ctl 'format)))
2325 (setq cte (mail-header-strip cte)))
2326 (if (and ctl (not (string-match "/" (car ctl))))
2328 (goto-char (point-max)))
2331 (narrow-to-region (point) (point-max))
2332 (when (and (eq mail-parse-charset 'gnus-decoded)
2333 (eq (mm-body-7-or-8) '8bit))
2334 ;; The text code could have been decoded.
2335 (setq charset mail-parse-charset))
2336 (when (and (or (not ctl)
2337 (equal (car ctl) "text/plain"))
2338 (not format)) ;; article with format will decode later.
2340 charset (and cte (intern (downcase
2341 (gnus-strip-whitespace cte))))
2344 (defun article-decode-encoded-words ()
2345 "Remove encoded-word encoding from headers."
2346 (let (buffer-read-only)
2347 (let ((charset (save-excursion
2348 (set-buffer gnus-summary-buffer)
2349 default-mime-charset)))
2350 (mime-decode-header-in-buffer charset))))
2352 (defun article-decode-group-name ()
2353 "Decode group names in `Newsgroups:'."
2354 (let ((inhibit-point-motion-hooks t)
2356 (method (gnus-find-method-for-group gnus-newsgroup-name)))
2357 (when (and (or gnus-group-name-charset-method-alist
2358 gnus-group-name-charset-group-alist)
2359 (gnus-buffer-live-p gnus-original-article-buffer))
2361 (article-narrow-to-head)
2362 (with-current-buffer gnus-original-article-buffer
2363 (goto-char (point-min)))
2364 (while (re-search-forward
2365 "^Newsgroups:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]" nil t)
2366 (replace-match (save-match-data
2367 (gnus-decode-newsgroups
2368 ;; XXX how to use data in article buffer?
2369 (with-current-buffer gnus-original-article-buffer
2371 "^Newsgroups:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]"
2374 gnus-newsgroup-name method))
2376 (goto-char (point-min))
2377 (with-current-buffer gnus-original-article-buffer
2378 (goto-char (point-min)))
2379 (while (re-search-forward
2380 "^Followup-To:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]" nil t)
2381 (replace-match (save-match-data
2382 (gnus-decode-newsgroups
2383 ;; XXX how to use data in article buffer?
2384 (with-current-buffer gnus-original-article-buffer
2386 "^Followup-To:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]"
2389 gnus-newsgroup-name method))
2392 (autoload 'idna-to-unicode "idna")
2394 (defun article-decode-idna-rhs ()
2395 "Decode IDNA strings in RHS in From:, To: and Cc: headers in current buffer."
2398 (let ((inhibit-point-motion-hooks t)
2400 (article-narrow-to-head)
2401 (goto-char (point-min))
2402 (while (re-search-forward "\\(xn--[-A-Za-z0-9.]*\\)[ \t\n\r,>]" nil t)
2404 (when (save-match-data
2405 (and (setq ace (match-string 1))
2407 (and (re-search-backward "^[^ \t]" nil t)
2408 (looking-at "From\\|To\\|Cc")))
2409 (save-excursion (backward-char)
2410 (message-idna-inside-rhs-p))
2411 (setq unicode (idna-to-unicode ace))))
2412 (unless (string= ace unicode)
2413 (replace-match unicode nil nil nil 1)))))))))
2415 (defun article-de-quoted-unreadable (&optional force read-charset)
2416 "Translate a quoted-printable-encoded article.
2417 If FORCE, decode the article whether it is marked as quoted-printable
2419 If READ-CHARSET, ask for a coding system."
2420 (interactive (list 'force current-prefix-arg))
2422 (let ((buffer-read-only nil) type charset)
2423 (if (gnus-buffer-live-p gnus-original-article-buffer)
2424 (with-current-buffer gnus-original-article-buffer
2426 (gnus-fetch-field "content-transfer-encoding"))
2427 (let* ((ct (gnus-fetch-field "content-type"))
2430 (mail-header-parse-content-type ct)))))
2431 (setq charset (and ctl
2432 (mail-content-type-get ctl 'charset)))
2433 (if (stringp charset)
2434 (setq charset (intern (downcase charset)))))))
2436 (setq charset (mm-read-coding-system "Charset: " charset)))
2438 (setq charset gnus-newsgroup-charset))
2440 (and type (let ((case-fold-search t))
2441 (string-match "quoted-printable" type))))
2443 (quoted-printable-decode-region
2444 (point) (point-max) (mm-charset-to-coding-system charset))))))
2446 (defun article-de-base64-unreadable (&optional force read-charset)
2447 "Translate a base64 article.
2448 If FORCE, decode the article whether it is marked as base64 not.
2449 If READ-CHARSET, ask for a coding system."
2450 (interactive (list 'force current-prefix-arg))
2452 (let ((buffer-read-only nil) type charset)
2453 (if (gnus-buffer-live-p gnus-original-article-buffer)
2454 (with-current-buffer gnus-original-article-buffer
2456 (gnus-fetch-field "content-transfer-encoding"))
2457 (let* ((ct (gnus-fetch-field "content-type"))
2460 (mail-header-parse-content-type ct)))))
2461 (setq charset (and ctl
2462 (mail-content-type-get ctl 'charset)))
2463 (if (stringp charset)
2464 (setq charset (intern (downcase charset)))))))
2466 (setq charset (mm-read-coding-system "Charset: " charset)))
2468 (setq charset gnus-newsgroup-charset))
2470 (and type (let ((case-fold-search t))
2471 (string-match "base64" type))))
2474 (narrow-to-region (point) (point-max))
2475 (base64-decode-region (point-min) (point-max))
2476 (mm-decode-coding-region
2477 (point-min) (point-max) (mm-charset-to-coding-system charset)))))))
2482 (defun article-decode-HZ ()
2483 "Translate a HZ-encoded article."
2487 (let ((buffer-read-only nil))
2488 (rfc1843-decode-region (point-min) (point-max)))))
2490 (defun article-unsplit-urls ()
2491 "Remove the newlines that some other mailers insert into URLs."
2494 (let ((buffer-read-only nil))
2495 (goto-char (point-min))
2496 (while (re-search-forward
2497 "^\\(\\(https?\\|ftp\\)://\\S-+\\) *\n\\(\\S-+\\)" nil t)
2498 (replace-match "\\1\\3" t)))
2499 (when (interactive-p)
2500 (gnus-treat-article nil))))
2503 (defun article-wash-html (&optional read-charset)
2504 "Format an HTML article.
2505 If READ-CHARSET, ask for a coding system."
2508 (let ((buffer-read-only nil)
2510 (when (gnus-buffer-live-p gnus-original-article-buffer)
2511 (with-current-buffer gnus-original-article-buffer
2512 (let* ((ct (gnus-fetch-field "content-type"))
2515 (mail-header-parse-content-type ct)))))
2516 (setq charset (and ctl
2517 (mail-content-type-get ctl 'charset)))
2518 (when (stringp charset)
2519 (setq charset (intern (downcase charset)))))))
2521 (setq charset (mm-read-coding-system "Charset: " charset)))
2523 (setq charset gnus-newsgroup-charset))
2525 (save-window-excursion
2527 (narrow-to-region (point) (point-max))
2528 (let* ((func (or gnus-article-wash-function mm-text-html-renderer))
2529 (entry (assq func mm-text-html-washer-alist)))
2531 (setq func (cdr entry)))
2536 (apply (car func) (cdr func))))))))))
2538 (defun gnus-article-wash-html-with-w3 ()
2539 "Wash the current buffer with w3."
2541 (let ((w3-strict-width (window-width))
2542 (url-standalone-mode t)
2543 (url-gateway-unplugged t)
2544 (w3-honor-stylesheets nil))
2546 (w3-region (point-min) (point-max))
2549 (defun gnus-article-wash-html-with-w3m ()
2550 "Wash the current buffer with emacs-w3m."
2553 (narrow-to-region (point) (point-max))
2554 (let ((w3m-safe-url-regexp mm-w3m-safe-url-regexp)
2555 w3m-force-redisplay)
2556 (w3m-region (point-min) (point-max)))
2557 (when (and mm-inline-text-html-with-w3m-keymap
2558 (boundp 'w3m-minor-mode-map)
2560 (add-text-properties
2561 (point-min) (point-max)
2562 (list 'keymap w3m-minor-mode-map
2563 ;; Put the mark meaning this part was rendered by emacs-w3m.
2564 'mm-inline-text-html-with-w3m t)))))
2566 (defun article-hide-list-identifiers ()
2567 "Remove list identifies from the Subject header.
2568 The `gnus-list-identifiers' variable specifies what to do."
2570 (let ((inhibit-point-motion-hooks t)
2571 (regexp (if (consp gnus-list-identifiers)
2572 (mapconcat 'identity gnus-list-identifiers " *\\|")
2573 gnus-list-identifiers))
2578 (article-narrow-to-head)
2579 (goto-char (point-min))
2580 (while (re-search-forward
2581 (concat "^Subject: +\\(R[Ee]: +\\)*\\(" regexp " *\\)")
2583 (delete-region (match-beginning 2) (match-end 0))
2584 (beginning-of-line))
2585 (when (re-search-forward
2586 "^Subject: +\\(\\(R[Ee]: +\\)+\\)R[Ee]: +" nil t)
2587 (delete-region (match-beginning 1) (match-end 1))))))))
2589 (defun article-hide-pem (&optional arg)
2590 "Toggle hiding of any PEM headers and signatures in the current article.
2591 If given a negative prefix, always show; if given a positive prefix,
2593 (interactive (gnus-article-hidden-arg))
2594 (unless (gnus-article-check-hidden-text 'pem arg)
2596 (let (buffer-read-only end)
2597 (goto-char (point-min))
2598 ;; Hide the horrendously ugly "header".
2599 (when (and (search-forward
2600 "\n-----BEGIN PRIVACY-ENHANCED MESSAGE-----\n"
2602 (setq end (1+ (match-beginning 0))))
2603 (gnus-add-wash-type 'pem)
2604 (gnus-article-hide-text-type
2606 (if (search-forward "\n\n" nil t)
2610 ;; Hide the trailer as well
2611 (when (search-forward "\n-----END PRIVACY-ENHANCED MESSAGE-----\n"
2613 (gnus-article-hide-text-type
2614 (match-beginning 0) (match-end 0) 'pem)))))))
2616 (defun article-strip-banner ()
2617 "Strip the banners specified by the `banner' group parameter and by
2618 `gnus-article-address-banner-alist'."
2622 (let ((inhibit-point-motion-hooks t))
2623 (when (gnus-parameter-banner gnus-newsgroup-name)
2624 (article-really-strip-banner
2625 (gnus-parameter-banner gnus-newsgroup-name)))
2626 (when gnus-article-address-banner-alist
2627 ;; It is necessary to encode from fields before checking,
2628 ;; because `mail-header-parse-addresses' does not work
2629 ;; (reliably) on decoded headers. And more, it is
2630 ;; impossible to use `gnus-fetch-original-field' here,
2631 ;; because `article-strip-banner' may be called in draft
2632 ;; buffers to preview them.
2633 (let ((from (save-restriction
2635 (article-narrow-to-head)
2636 (mail-fetch-field "from"))))
2639 (caar (mail-header-parse-addresses
2640 (mail-encode-encoded-word-string from)))))
2642 (dolist (pair gnus-article-address-banner-alist)
2643 (when (string-match (car pair) from)
2645 (article-really-strip-banner (cdr pair)))))))))))))
2647 (defun article-really-strip-banner (banner)
2648 "Strip the banner specified by the argument."
2651 (let ((inhibit-point-motion-hooks t)
2652 (gnus-signature-limit nil)
2656 ((eq banner 'signature)
2657 (when (gnus-article-narrow-to-signature)
2660 (delete-region (point) (point-max))))
2662 (if (setq banner (cdr (assq banner gnus-article-banner-alist)))
2663 (while (re-search-forward banner nil t)
2664 (delete-region (match-beginning 0) (match-end 0)))))
2666 (while (re-search-forward banner nil t)
2667 (delete-region (match-beginning 0) (match-end 0)))))))))
2669 (defun article-babel ()
2670 "Translate article using an online translation service."
2673 (gnus-with-article-buffer
2674 (when (article-goto-body)
2675 (let* ((start (point))
2677 (orig (buffer-substring start end))
2678 (trans (babel-as-string orig)))
2680 (narrow-to-region start end)
2681 (delete-region start end)
2684 (defun article-hide-signature (&optional arg)
2685 "Hide the signature in the current article.
2686 If given a negative prefix, always show; if given a positive prefix,
2688 (interactive (gnus-article-hidden-arg))
2694 (article-goto-body))
2695 (goto-char (point-min)))
2696 (unless (gnus-article-check-hidden-text 'signature arg)
2697 (let ((buffer-read-only nil)
2699 (while (setq button (text-property-any button (point-max)
2701 'gnus-signature-toggle))
2702 (setq button (text-property-not-all button (point-max)
2704 'gnus-signature-toggle))
2705 (when (and button (not (eobp)))
2706 (gnus-article-hide-text-type
2708 (next-single-property-change (1+ button) 'mime-view-entity
2711 (gnus-set-mode-line 'article))
2713 (defun article-strip-headers-in-body ()
2714 "Strip offensive headers from bodies."
2718 (let ((case-fold-search t))
2719 (when (looking-at "x-no-archive:")
2720 (gnus-delete-line)))))
2722 (defun article-strip-leading-blank-lines ()
2723 "Remove all blank lines from the beginning of the article."
2726 (let ((inhibit-point-motion-hooks t)
2728 (when (article-goto-body)
2729 (while (and (not (eobp))
2730 (looking-at "[ \t]*$"))
2731 (gnus-delete-line))))))
2733 (defun article-narrow-to-head ()
2734 "Narrow the buffer to the head of the message.
2735 Point is left at the beginning of the narrowed-to region."
2737 (goto-char (point-min))
2738 (if (search-forward "\n\n" nil 1)
2741 (goto-char (point-min)))
2743 (defun article-goto-body ()
2744 "Place point at the start of the body."
2745 (goto-char (point-min))
2747 ;; This variable is only bound when dealing with separate
2749 (article-goto-body-goes-to-point-min-p
2751 ((search-forward "\n\n" nil t)
2754 (goto-char (point-max))
2757 (defun article-strip-multiple-blank-lines ()
2758 "Replace consecutive blank lines with one empty line."
2761 (let ((inhibit-point-motion-hooks t)
2763 ;; First make all blank lines empty.
2765 (while (re-search-forward "^[ \t]+$" nil t)
2766 (unless (gnus-annotation-in-region-p
2767 (match-beginning 0) (match-end 0))
2768 (replace-match "" nil t)))
2769 ;; Then replace multiple empty lines with a single empty line.
2771 (while (re-search-forward "\n\n\\(\n+\\)" nil t)
2772 (unless (gnus-annotation-in-region-p
2773 (match-beginning 0) (match-end 0))
2774 (delete-region (match-beginning 1) (match-end 1)))))))
2776 (defun article-strip-leading-space ()
2777 "Remove all white space from the beginning of the lines in the article."
2780 (let ((inhibit-point-motion-hooks t)
2783 (while (re-search-forward "^[ \t]+" nil t)
2784 (replace-match "" t t)))))
2786 (defun article-strip-trailing-space ()
2787 "Remove all white space from the end of the lines in the article."
2790 (let ((inhibit-point-motion-hooks t)
2793 (while (re-search-forward "[ \t]+$" nil t)
2794 (replace-match "" t t)))))
2796 (defun article-strip-blank-lines ()
2797 "Strip leading, trailing and multiple blank lines."
2799 (article-strip-leading-blank-lines)
2800 (article-remove-trailing-blank-lines)
2801 (article-strip-multiple-blank-lines))
2803 (defun article-strip-all-blank-lines ()
2804 "Strip all blank lines."
2807 (let ((inhibit-point-motion-hooks t)
2810 (while (re-search-forward "^[ \t]*\n" nil t)
2811 (replace-match "" t t)))))
2813 (defun gnus-article-narrow-to-signature ()
2814 "Narrow to the signature; return t if a signature is found, else nil."
2815 (let ((inhibit-point-motion-hooks t))
2816 (when (gnus-article-search-signature)
2818 ;; Check whether we have some limits to what we consider
2819 ;; to be a signature.
2820 (let ((limits (if (listp gnus-signature-limit) gnus-signature-limit
2821 (list gnus-signature-limit)))
2823 (while (setq limit (pop limits))
2824 (if (or (and (integerp limit)
2825 (< (- (point-max) (point)) limit))
2827 (< (count-lines (point) (point-max)) limit))
2828 (and (functionp limit)
2830 (and (stringp limit)
2831 (not (re-search-forward limit nil t))))
2832 () ; This limit did not succeed.
2836 (narrow-to-region (point) (point-max))
2839 (defun gnus-article-search-signature ()
2840 "Search the current buffer for the signature separator.
2841 Put point at the beginning of the signature separator."
2842 (let ((cur (point)))
2843 (goto-char (point-max))
2844 (if (if (stringp gnus-signature-separator)
2845 (re-search-backward gnus-signature-separator nil t)
2846 (let ((seps gnus-signature-separator))
2848 (not (re-search-backward (car seps) nil t)))
2855 (defun gnus-article-hidden-arg ()
2856 "Return the current prefix arg as a number, or 0 if no prefix."
2857 (list (if current-prefix-arg
2858 (prefix-numeric-value current-prefix-arg)
2861 (defun gnus-article-check-hidden-text (type arg)
2862 "Return nil if hiding is necessary.
2863 Arg can be nil or a number. nil and positive means hide, negative
2864 means show, 0 means toggle."
2867 (let ((hide (gnus-article-hidden-text-p type)))
2873 (gnus-article-show-hidden-text type)
2876 (if (eq hide 'hidden)
2878 (gnus-article-show-hidden-text type)
2882 (defun gnus-article-hidden-text-p (type)
2883 "Say whether the current buffer contains hidden text of type TYPE."
2884 (let ((pos (text-property-any (point-min) (point-max) 'article-type type)))
2886 (not (get-text-property pos 'invisible))
2887 (not (get-text-property pos 'dummy-invisible)))
2889 (text-property-any (1+ pos) (point-max) 'article-type type)))
2894 (defun gnus-article-show-hidden-text (type &optional dummy)
2895 "Show all hidden text of type TYPE.
2896 Originally it is hide instead of DUMMY."
2897 (let ((buffer-read-only nil)
2898 (inhibit-point-motion-hooks t))
2899 (gnus-remove-text-properties-when
2901 (point-min) (point-max)
2902 (cons 'article-type (cons type
2903 gnus-hidden-properties)))
2904 (gnus-delete-wash-type type)))
2906 (defconst article-time-units
2907 `((year . ,(* 365.25 24 60 60))
2908 (week . ,(* 7 24 60 60))
2909 (day . ,(* 24 60 60))
2913 "Mapping from time units to seconds.")
2915 (defun gnus-article-forward-header ()
2916 "Move point to the start of the next header.
2917 If the current header is a continuation header, this can be several
2922 (if (looking-at "[ \t]+[^ \t]")
2926 (defun article-date-ut (&optional type highlight header)
2927 "Convert DATE date to universal time in the current article.
2928 If TYPE is `local', convert to local time; if it is `lapsed', output
2929 how much time has lapsed since DATE. For `lapsed', the value of
2930 `gnus-article-date-lapsed-new-header' says whether the \"X-Sent:\" header
2931 should replace the \"Date:\" one, or should be added below it."
2932 (interactive (list 'ut t))
2933 (let* ((header (or header
2934 (and (eq 1 (point-min))
2935 (mail-header-date (save-excursion
2936 (set-buffer gnus-summary-buffer)
2937 gnus-current-headers)))
2938 (message-fetch-field "date")
2940 (date (if (vectorp header) (mail-header-date header)
2942 (inhibit-point-motion-hooks t)
2943 bface eface date-pos)
2944 (when (and date (not (string= date "")))
2947 (article-narrow-to-head)
2948 (when (or (and (eq type 'lapsed)
2949 gnus-article-date-lapsed-new-header
2950 ;; Attempt to get the face of X-Sent first.
2951 (re-search-forward "^X-Sent:[ \t]" nil t))
2952 (re-search-forward "^Date:[ \t]" nil t)
2953 ;; If Date is missing, try again for X-Sent.
2954 (re-search-forward "^X-Sent:[ \t]" nil t))
2955 (setq bface (get-text-property (point-at-bol) 'face)
2956 date (or (get-text-property (point-at-bol)
2959 eface (get-text-property (1- (point-at-eol))
2961 (let ((buffer-read-only nil))
2962 ;; Delete any old X-Sent headers.
2963 (when (setq date-pos
2964 (text-property-any (point-min) (point-max)
2965 'article-date-lapsed t))
2966 (goto-char (setq date-pos (set-marker (make-marker) date-pos)))
2967 (delete-region (match-beginning 0)
2968 (progn (forward-line 1) (point))))
2969 (goto-char (point-min))
2970 ;; Delete any old Date headers.
2971 (while (re-search-forward "^Date:[ \t]" nil t)
2973 (setq date-pos (match-beginning 0)))
2974 (unless (and (eq type 'lapsed)
2975 gnus-article-date-lapsed-new-header)
2976 (delete-region (match-beginning 0)
2977 (progn (message-next-header) (point)))))
2980 (goto-char date-pos)
2982 ;; Possibly, Date has been deleted.
2984 (when (and (eq type 'lapsed)
2985 gnus-article-date-lapsed-new-header
2986 (looking-at "Date:"))
2988 (goto-char (point-min)))
2989 (insert (article-make-date-line date type))
2990 (when (eq type 'lapsed)
2991 (put-text-property (point-at-bol) (point)
2992 'article-date-lapsed t))
2996 (when (looking-at "\\([^:]+\\): *\\(.*\\)$")
2997 (put-text-property (match-beginning 1) (1+ (match-end 1))
2998 'original-date date)
2999 (put-text-property (match-beginning 1) (1+ (match-end 1))
3001 (put-text-property (match-beginning 2) (match-end 2)
3004 (defun article-make-date-line (date type)
3005 "Return a DATE line of TYPE."
3006 (unless (memq type '(local ut original user iso8601 lapsed english))
3007 (error "Unknown conversion type: %s" type))
3009 (let ((time (date-to-time date)))
3011 ;; Convert to the local timezone.
3013 (let ((tz (car (current-time-zone time))))
3014 (format "Date: %s %s%02d%02d" (current-time-string time)
3015 (if (> tz 0) "+" "-") (/ (abs tz) 3600)
3016 (/ (% (abs tz) 3600) 60))))
3017 ;; Convert to Universal Time.
3020 (current-time-string
3021 (let* ((e (parse-time-string date))
3022 (tm (apply 'encode-time e))
3024 (ls (- (cadr tm) (car (current-time-zone time)))))
3025 (cond ((< ls 0) (list (1- ms) (+ ls 65536)))
3026 ((> ls 65535) (list (1+ ms) (- ls 65536)))
3029 ;; Get the original date from the article.
3030 ((eq type 'original)
3031 (concat "Date: " (if (string-match "\n+$" date)
3032 (substring date 0 (match-beginning 0))
3034 ;; Let the user define the format.
3036 (let ((format (or (condition-case nil
3037 (with-current-buffer gnus-summary-buffer
3038 gnus-article-time-format)
3040 gnus-article-time-format)))
3041 (if (functionp format)
3042 (funcall format time)
3043 (concat "Date: " (format-time-string format time)))))
3046 (let ((tz (car (current-time-zone time))))
3049 (format-time-string "%Y%m%dT%H%M%S" time)
3050 (format "%s%02d%02d"
3051 (if (> tz 0) "+" "-") (/ (abs tz) 3600)
3052 (/ (% (abs tz) 3600) 60)))))
3053 ;; Do an X-Sent lapsed format.
3055 ;; If the date is seriously mangled, the timezone functions are
3056 ;; liable to bug out, so we ignore all errors.
3057 (let* ((now (current-time))
3058 (real-time (subtract-time now time))
3059 (real-sec (and real-time
3060 (+ (* (float (car real-time)) 65536)
3062 (sec (and real-time (abs real-sec)))
3072 ;; This is a bit convoluted, but basically we go
3073 ;; through the time units for years, weeks, etc,
3074 ;; and divide things to see whether that results
3075 ;; in positive answers.
3078 (if (zerop (setq num (ffloor (/ sec (cdr unit)))))
3079 ;; The (remaining) seconds are too few to
3080 ;; be divided into this time unit.
3082 ;; It's big enough, so we output it.
3083 (setq sec (- sec (* num (cdr unit))))
3085 (concat (if prev ", " "") (int-to-string
3087 " " (symbol-name (car unit))
3088 (if (> num 1) "s" ""))
3090 article-time-units "")
3091 ;; If dates are odd, then it might appear like the
3092 ;; article was sent in the future.
3095 " in the future"))))))
3096 ;; Display the date in proper English
3098 (let ((dtime (decode-time time)))
3101 (number-to-string (nth 3 dtime))
3102 (let ((digit (% (nth 3 dtime) 10)))
3104 ((memq (nth 3 dtime) '(11 12 13)) "th")
3110 (nth (1- (nth 4 dtime)) gnus-english-month-names)
3112 (number-to-string (nth 5 dtime))
3114 (format "%02d" (nth 2 dtime))
3116 (format "%02d" (nth 1 dtime)))))))
3118 (format "Date: %s (from T-gnus)" date))))
3120 (defun article-date-local (&optional highlight)
3121 "Convert the current article date to the local timezone."
3122 (interactive (list t))
3123 (article-date-ut 'local highlight))
3125 (defun article-date-english (&optional highlight)
3126 "Convert the current article date to something that is proper English."
3127 (interactive (list t))
3128 (article-date-ut 'english highlight))
3130 (defun article-date-original (&optional highlight)
3131 "Convert the current article date to what it was originally.
3132 This is only useful if you have used some other date conversion
3133 function and want to see what the date was before converting."
3134 (interactive (list t))
3135 (article-date-ut 'original highlight))
3137 (defun article-date-lapsed (&optional highlight)
3138 "Convert the current article date to time lapsed since it was sent."
3139 (interactive (list t))
3140 (article-date-ut 'lapsed highlight))
3142 (defun article-update-date-lapsed ()
3143 "Function to be run from a timer to update the lapsed time line."
3144 (let (deactivate-mark)
3149 (set-buffer (window-buffer w))
3150 (when (eq major-mode 'gnus-article-mode)
3151 (let ((mark (point-marker)))
3152 (goto-char (point-min))
3153 (when (re-search-forward "^X-Sent:" nil t)
3154 (article-date-lapsed t))
3155 (goto-char (marker-position mark))
3156 (move-marker mark nil))))
3159 (defun gnus-start-date-timer (&optional n)
3160 "Start a timer to update the X-Sent header in the article buffers.
3161 The numerical prefix says how frequently (in seconds) the function
3166 (gnus-stop-date-timer)
3167 (setq article-lapsed-timer
3168 (run-at-time 1 n 'article-update-date-lapsed)))
3170 (defun gnus-stop-date-timer ()
3171 "Stop the X-Sent timer."
3173 (when article-lapsed-timer
3174 (nnheader-cancel-timer article-lapsed-timer)
3175 (setq article-lapsed-timer nil)))
3177 (defun article-date-user (&optional highlight)
3178 "Convert the current article date to the user-defined format.
3179 This format is defined by the `gnus-article-time-format' variable."
3180 (interactive (list t))
3181 (article-date-ut 'user highlight))
3183 (defun article-date-iso8601 (&optional highlight)
3184 "Convert the current article date to ISO8601."
3185 (interactive (list t))
3186 (article-date-ut 'iso8601 highlight))
3188 ;; (defun article-show-all ()
3189 ;; "Show all hidden text in the article buffer."
3193 ;; (let ((buffer-read-only nil))
3194 ;; (gnus-article-unhide-text (point-min) (point-max))
3195 ;; (gnus-remove-text-with-property 'gnus-prev)
3196 ;; (gnus-remove-text-with-property 'gnus-next))))
3198 (defun article-show-all-headers ()
3199 "Show all hidden headers in the article buffer."
3204 (article-narrow-to-head)
3205 (let ((buffer-read-only nil))
3206 (gnus-article-unhide-text (point-min) (point-max))))))
3208 (defun article-remove-leading-whitespace ()
3209 "Remove excessive whitespace from all headers."
3213 (let ((buffer-read-only nil))
3214 (article-narrow-to-head)
3215 (goto-char (point-min))
3216 (while (re-search-forward "^[^ :]+: \\([ \t]+\\)" nil t)
3217 (delete-region (match-beginning 1) (match-end 1)))))))
3219 (defun article-emphasize (&optional arg)
3220 "Emphasize text according to `gnus-emphasis-alist'."
3221 (interactive (gnus-article-hidden-arg))
3222 (unless (gnus-article-check-hidden-text 'emphasis arg)
3226 (with-current-buffer gnus-summary-buffer
3227 gnus-article-emphasis-alist)
3229 gnus-emphasis-alist))
3230 (buffer-read-only nil)
3231 (props (append '(article-type emphasis)
3232 gnus-hidden-properties))
3233 regexp elem beg invisible visible face)
3236 (while (setq elem (pop alist))
3238 (setq regexp (car elem)
3239 invisible (nth 1 elem)
3240 visible (nth 2 elem)
3242 (while (re-search-forward regexp nil t)
3243 (when (and (match-beginning visible) (match-beginning invisible))
3244 (gnus-article-hide-text
3245 (match-beginning invisible) (match-end invisible) props)
3246 (gnus-article-unhide-text-type
3247 (match-beginning visible) (match-end visible) 'emphasis)
3248 (gnus-put-overlay-excluding-newlines
3249 (match-beginning visible) (match-end visible) 'face face)
3250 (gnus-add-wash-type 'emphasis)
3251 (goto-char (match-end invisible)))))))))
3253 (defun gnus-article-setup-highlight-words (&optional highlight-words)
3254 "Setup newsgroup emphasis alist."
3255 (unless gnus-article-emphasis-alist
3256 (let ((name (and gnus-newsgroup-name
3257 (gnus-group-real-name gnus-newsgroup-name))))
3258 (make-local-variable 'gnus-article-emphasis-alist)
3259 (setq gnus-article-emphasis-alist
3261 (let ((alist gnus-group-highlight-words-alist) elem highlight)
3262 (while (setq elem (pop alist))
3263 (when (and name (string-match (car elem) name))
3265 highlight (copy-sequence (cdr elem)))))
3267 (copy-sequence highlight-words)
3268 (if gnus-newsgroup-name
3269 (copy-sequence (gnus-group-find-parameter
3270 gnus-newsgroup-name 'highlight-words t)))
3271 gnus-emphasis-alist)))))
3274 (defvar gnus-summary-article-menu)
3275 (defvar gnus-summary-post-menu))
3277 ;;; Saving functions.
3279 (defun gnus-article-save (save-buffer file &optional num)
3280 "Save the currently selected article."
3281 (unless gnus-save-all-headers
3282 ;; Remove headers according to `gnus-saved-headers'.
3283 (let ((gnus-visible-headers
3284 (or gnus-saved-headers gnus-visible-headers))
3285 (gnus-article-buffer save-buffer))
3287 (set-buffer save-buffer)
3288 (article-hide-headers 1 t))))
3289 (save-window-excursion
3290 (if (not gnus-default-article-saver)
3291 (error "No default saver is defined")
3292 ;; !!! Magic! The saving functions all save
3293 ;; `gnus-save-article-buffer' (or so they think), but we
3294 ;; bind that variable to our save-buffer.
3295 (set-buffer gnus-article-buffer)
3296 (let* ((gnus-save-article-buffer save-buffer)
3299 ((not gnus-prompt-before-saving) 'default)
3300 ((eq gnus-prompt-before-saving 'always) nil)
3302 (gnus-number-of-articles-to-be-saved
3303 (when (eq gnus-prompt-before-saving t)
3305 (set-buffer gnus-article-current-summary)
3306 (funcall gnus-default-article-saver filename)))))
3308 (defun gnus-read-save-file-name (prompt &optional filename
3309 function group headers variable)
3311 (funcall function group headers (symbol-value variable)))
3316 ((eq filename 'default)
3322 (let* ((split-name (gnus-get-split-value gnus-split-methods))
3325 (if (and gnus-number-of-articles-to-be-saved
3326 (> gnus-number-of-articles-to-be-saved 1))
3327 (format "these %d articles"
3328 gnus-number-of-articles-to-be-saved)
3331 ;; Let the split methods have their say.
3333 ;; No split name was found.
3336 (concat prompt " (default "
3337 (file-name-nondirectory default-name) ") ")
3338 (file-name-directory default-name)
3340 ;; A single group name is returned.
3341 ((stringp split-name)
3343 (funcall function split-name headers
3344 (symbol-value variable)))
3346 (concat prompt " (default "
3347 (file-name-nondirectory default-name) ") ")
3348 (file-name-directory default-name)
3350 ;; A single split name was found
3351 ((= 1 (length split-name))
3352 (let* ((name (expand-file-name
3354 gnus-article-save-directory))
3355 (dir (cond ((file-directory-p name)
3356 (file-name-as-directory name))
3357 ((file-exists-p name) name)
3358 (t gnus-article-save-directory))))
3360 (concat prompt " (default " name ") ")
3362 ;; A list of splits was found.
3364 (setq split-name (nreverse split-name))
3366 (let ((file-name-history
3367 (nconc split-name file-name-history)))
3371 (concat prompt " (`M-p' for defaults) ")
3372 gnus-article-save-directory
3374 gnus-article-save-directory)))
3375 (car (push result file-name-history)))))))
3376 ;; Create the directory.
3377 (gnus-make-directory (file-name-directory file))
3378 ;; If we have read a directory, we append the default file name.
3379 (when (file-directory-p file)
3380 (setq file (expand-file-name (file-name-nondirectory
3382 (file-name-as-directory file))))
3383 ;; Possibly translate some characters.
3384 (nnheader-translate-file-chars file))))))
3385 (gnus-make-directory (file-name-directory result))
3386 (set variable result)))
3388 (defun gnus-article-archive-name (group)
3389 "Return the first instance of an \"Archive-name\" in the current buffer."
3390 (let ((case-fold-search t))
3391 (when (re-search-forward "archive-name: *\\([^ \n\t]+\\)[ \t]*$" nil t)
3392 (nnheader-concat gnus-article-save-directory
3393 (match-string 1)))))
3395 (defun gnus-article-nndoc-name (group)
3396 "If GROUP is an nndoc group, return the name of the parent group."
3397 (when (eq (car (gnus-find-method-for-group group)) 'nndoc)
3398 (gnus-group-get-parameter group 'save-article-group)))
3400 (defun gnus-summary-save-in-rmail (&optional filename)
3401 "Append this article to Rmail file.
3402 Optional argument FILENAME specifies file name.
3403 Directory to save to is default to `gnus-article-save-directory'."
3404 (setq filename (gnus-read-save-file-name
3405 "Save %s in rmail file:" filename
3406 gnus-rmail-save-name gnus-newsgroup-name
3407 gnus-current-headers 'gnus-newsgroup-last-rmail))
3408 (gnus-eval-in-buffer-window gnus-save-article-buffer
3412 (gnus-output-to-rmail filename))))
3415 (defun gnus-summary-save-in-mail (&optional filename)
3416 "Append this article to Unix mail file.
3417 Optional argument FILENAME specifies file name.
3418 Directory to save to is default to `gnus-article-save-directory'."
3419 (setq filename (gnus-read-save-file-name
3420 "Save %s in Unix mail file:" filename
3421 gnus-mail-save-name gnus-newsgroup-name
3422 gnus-current-headers 'gnus-newsgroup-last-mail))
3423 (gnus-eval-in-buffer-window gnus-save-article-buffer
3427 (if (and (file-readable-p filename)
3428 (file-regular-p filename)
3429 (mail-file-babyl-p filename))
3430 (rmail-output-to-rmail-file filename t)
3431 (gnus-output-to-mail filename)))))
3434 (defun gnus-summary-save-in-file (&optional filename overwrite)
3435 "Append this article to file.
3436 Optional argument FILENAME specifies file name.
3437 Directory to save to is default to `gnus-article-save-directory'."
3438 (setq filename (gnus-read-save-file-name
3439 "Save %s in file:" filename
3440 gnus-file-save-name gnus-newsgroup-name
3441 gnus-current-headers 'gnus-newsgroup-last-file))
3442 (gnus-eval-in-buffer-window gnus-save-article-buffer
3446 (when (and overwrite
3447 (file-exists-p filename))
3448 (delete-file filename))
3449 (gnus-output-to-file filename))))
3452 (defun gnus-summary-write-to-file (&optional filename)
3453 "Write this article to a file, overwriting it if the file exists.
3454 Optional argument FILENAME specifies file name.
3455 The directory to save in defaults to `gnus-article-save-directory'."
3456 (gnus-summary-save-in-file nil t))
3458 (defun gnus-summary-save-body-in-file (&optional filename)
3459 "Append this article body to a file.
3460 Optional argument FILENAME specifies file name.
3461 The directory to save in defaults to `gnus-article-save-directory'."
3462 (setq filename (gnus-read-save-file-name
3463 "Save %s body in file:" filename
3464 gnus-file-save-name gnus-newsgroup-name
3465 gnus-current-headers 'gnus-newsgroup-last-file))
3466 (gnus-eval-in-buffer-window gnus-save-article-buffer
3470 (when (article-goto-body)
3471 (narrow-to-region (point) (point-max)))
3472 (gnus-output-to-file filename))))
3475 (defun gnus-summary-save-in-pipe (&optional command)
3476 "Pipe this article to subprocess."
3478 (cond ((and (eq command 'default)
3479 gnus-last-shell-command)
3480 gnus-last-shell-command)
3485 "Shell command on %s: "
3486 (if (and gnus-number-of-articles-to-be-saved
3487 (> gnus-number-of-articles-to-be-saved 1))
3488 (format "these %d articles"
3489 gnus-number-of-articles-to-be-saved)
3491 gnus-last-shell-command))))
3492 (when (string-equal command "")
3493 (if gnus-last-shell-command
3494 (setq command gnus-last-shell-command)
3495 (error "A command is required")))
3496 (gnus-eval-in-buffer-window gnus-article-buffer
3499 (shell-command-on-region (point-min) (point-max) command nil)))
3500 (setq gnus-last-shell-command command))
3502 (defun gnus-summary-pipe-to-muttprint (&optional command)
3503 "Pipe this article to muttprint."
3504 (setq command (read-string
3505 "Print using command: " gnus-summary-muttprint-program
3506 nil gnus-summary-muttprint-program))
3507 (gnus-summary-save-in-pipe command))
3509 ;;; Article file names when saving.
3511 (defun gnus-capitalize-newsgroup (newsgroup)
3512 "Capitalize NEWSGROUP name."
3513 (when (not (zerop (length newsgroup)))
3514 (concat (char-to-string (upcase (aref newsgroup 0)))
3515 (substring newsgroup 1))))
3517 (defun gnus-Numeric-save-name (newsgroup headers &optional last-file)
3518 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3519 If variable `gnus-use-long-file-name' is non-nil, it is ~/News/News.group/num.
3520 Otherwise, it is like ~/News/news/group/num."
3523 (concat (if (gnus-use-long-file-name 'not-save)
3524 (gnus-capitalize-newsgroup newsgroup)
3525 (gnus-newsgroup-directory-form newsgroup))
3526 "/" (int-to-string (mail-header-number headers)))
3527 gnus-article-save-directory)))
3529 (string-equal (file-name-directory default)
3530 (file-name-directory last-file))
3531 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
3533 (or last-file default))))
3535 (defun gnus-numeric-save-name (newsgroup headers &optional last-file)
3536 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3537 If variable `gnus-use-long-file-name' is non-nil, it is
3538 ~/News/news.group/num. Otherwise, it is like ~/News/news/group/num."
3541 (concat (if (gnus-use-long-file-name 'not-save)
3543 (gnus-newsgroup-directory-form newsgroup))
3544 "/" (int-to-string (mail-header-number headers)))
3545 gnus-article-save-directory)))
3547 (string-equal (file-name-directory default)
3548 (file-name-directory last-file))
3549 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
3551 (or last-file default))))
3553 (defun gnus-plain-save-name (newsgroup headers &optional last-file)
3554 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3555 If variable `gnus-use-long-file-name' is non-nil, it is
3556 ~/News/news.group. Otherwise, it is like ~/News/news/group/news."
3559 (if (gnus-use-long-file-name 'not-save)
3562 (expand-file-name "news" (gnus-newsgroup-directory-form newsgroup))
3564 gnus-article-save-directory)))
3566 (defun gnus-sender-save-name (newsgroup headers &optional last-file)
3567 "Generate file name from sender."
3568 (let ((from (mail-header-from headers)))
3570 (if (and from (string-match "\\([^ <]+\\)@" from))
3571 (match-string 1 from)
3573 gnus-article-save-directory)))
3575 (defun article-verify-x-pgp-sig ()
3578 (if (gnus-buffer-live-p gnus-original-article-buffer)
3579 (let ((sig (with-current-buffer gnus-original-article-buffer
3580 (gnus-fetch-field "X-PGP-Sig")))
3584 (mml2015-clear-verify-function))
3586 (insert-buffer-substring gnus-original-article-buffer)
3587 (setq items (split-string sig))
3588 (message-narrow-to-head)
3589 (let ((inhibit-point-motion-hooks t)
3590 (case-fold-search t))
3591 ;; Don't verify multiple headers.
3592 (setq headers (mapconcat (lambda (header)
3594 (mail-fetch-field header)
3596 (split-string (nth 1 items) ",") "")))
3597 (delete-region (point-min) (point-max))
3598 (insert "-----BEGIN PGP SIGNED MESSAGE-----\n\n")
3599 (insert "X-Signed-Headers: " (nth 1 items) "\n")
3604 (if (looking-at "^-")
3607 (insert "\n-----BEGIN PGP SIGNATURE-----\n")
3608 (insert "Version: " (car items) "\n\n")
3609 (insert (mapconcat 'identity (cddr items) "\n"))
3610 (insert "\n-----END PGP SIGNATURE-----\n")
3611 (let ((mm-security-handle (list (format "multipart/signed"))))
3612 (mml2015-clean-buffer)
3613 (let ((coding-system-for-write (or gnus-newsgroup-charset
3615 (funcall (mml2015-clear-verify-function)))
3617 (or (mm-handle-multipart-ctl-parameter
3618 mm-security-handle 'gnus-details)
3619 (mm-handle-multipart-ctl-parameter
3620 mm-security-handle 'gnus-info)))))
3622 (let (buffer-read-only bface eface)
3624 (message-narrow-to-head)
3625 (goto-char (point-max))
3627 (setq bface (get-text-property (point-at-bol) 'face)
3628 eface (get-text-property (1- (point-at-eol)) 'face))
3629 (message-remove-header "X-Gnus-PGP-Verify")
3630 (if (re-search-forward "^X-PGP-Sig:" nil t)
3632 (goto-char (point-max)))
3633 (narrow-to-region (point) (point))
3634 (insert "X-Gnus-PGP-Verify: " info "\n")
3635 (goto-char (point-min))
3638 (if (not (looking-at "^[ \t]"))
3642 (goto-char (point-min))
3643 (when (looking-at "\\([^:]+\\): *")
3644 (put-text-property (match-beginning 1) (1+ (match-end 1))
3646 (put-text-property (match-end 0) (point-max)
3647 'face eface)))))))))
3649 (defun article-verify-cancel-lock ()
3650 "Verify Cancel-Lock header."
3652 (if (gnus-buffer-live-p gnus-original-article-buffer)
3653 (canlock-verify gnus-original-article-buffer)))
3655 (defun article-monafy ()
3656 "Display body part with mona font."
3658 (unless (if (featurep 'xemacs)
3659 (find-face 'gnus-mona-face)
3660 (facep 'gnus-mona-face))
3661 (require 'navi2ch-mona)
3662 (set-face-font (make-face 'gnus-mona-face) navi2ch-mona-font))
3664 (let ((buffer-read-only nil))
3667 (gnus-make-overlay (point) (point-max))
3668 'face 'gnus-mona-face))))
3675 (setq afunc (car func)
3678 gfunc (intern (format "gnus-%s" func))))
3680 (when (fboundp afunc)
3681 `(lambda (&optional interactive &rest args)
3682 ,(documentation afunc t)
3683 (interactive (list t))
3685 (set-buffer gnus-article-buffer)
3687 (call-interactively ',afunc)
3688 (apply ',afunc args))))))))
3689 '(article-hide-headers
3690 article-verify-x-pgp-sig
3691 article-verify-cancel-lock
3693 article-hide-boring-headers
3694 article-treat-overstrike
3695 article-treat-ansi-sequences
3696 article-fill-long-lines
3697 article-capitalize-sentences
3699 article-remove-leading-whitespace
3700 article-display-x-face
3701 article-display-face
3702 article-de-quoted-unreadable
3703 article-de-base64-unreadable
3706 article-unsplit-urls
3707 article-hide-list-identifiers
3708 article-strip-banner
3711 article-hide-signature
3712 article-strip-headers-in-body
3713 article-remove-trailing-blank-lines
3714 article-strip-leading-blank-lines
3715 article-strip-multiple-blank-lines
3716 article-strip-leading-space
3717 article-strip-trailing-space
3718 article-strip-blank-lines
3719 article-strip-all-blank-lines
3721 article-date-english
3722 article-date-iso8601
3723 article-date-original
3725 article-decode-mime-words
3726 article-decode-charset
3727 article-decode-encoded-words
3731 article-treat-dumbquotes
3732 article-normalize-headers
3733 (article-show-all-headers . gnus-article-show-all-headers)
3734 ;; (article-show-all . gnus-article-show-all)
3738 ;;; Gnus article mode
3741 (put 'gnus-article-mode 'mode-class 'special)
3743 (gnus-define-keys gnus-article-mode-map
3744 " " gnus-article-goto-next-page
3745 "\177" gnus-article-goto-prev-page
3746 [delete] gnus-article-goto-prev-page
3747 [backspace] gnus-article-goto-prev-page
3748 "\C-c^" gnus-article-refer-article
3749 "h" gnus-article-show-summary
3750 "s" gnus-article-show-summary
3751 "\C-c\C-m" gnus-article-mail
3752 "?" gnus-article-describe-briefly
3753 "e" gnus-summary-edit-article
3754 "<" beginning-of-buffer
3756 "\C-c\C-i" gnus-info-find-node
3758 "R" gnus-article-reply-with-original
3759 "F" gnus-article-followup-with-original
3760 "\C-hk" gnus-article-describe-key
3761 "\C-hc" gnus-article-describe-key-briefly
3763 "\C-d" gnus-article-read-summary-keys
3764 "\M-*" gnus-article-read-summary-keys
3765 "\M-#" gnus-article-read-summary-keys
3766 "\M-^" gnus-article-read-summary-keys
3767 "\M-g" gnus-article-read-summary-keys)
3769 ;; Define almost undefined keys to `gnus-article-read-summary-keys'.
3773 (push (char-to-string key) keys)
3775 (dolist (elem (accessible-keymaps gnus-summary-mode-map))
3776 (setq key (car elem))
3777 (when (and (> (length key) 0)
3778 (not (eq 'menu-bar (aref key 0)))
3779 (symbolp (lookup-key gnus-summary-mode-map key)))
3782 (unless (lookup-key gnus-article-mode-map key)
3783 (define-key gnus-article-mode-map key 'gnus-article-read-summary-keys))))
3785 (defun gnus-article-make-menu-bar ()
3786 (unless (boundp 'gnus-article-commands-menu)
3787 (gnus-summary-make-menu-bar))
3788 (gnus-turn-off-edit-menu 'article)
3789 (unless (boundp 'gnus-article-article-menu)
3791 gnus-article-article-menu gnus-article-mode-map ""
3793 ["Scroll forwards" gnus-article-goto-next-page t]
3794 ["Scroll backwards" gnus-article-goto-prev-page t]
3795 ["Show summary" gnus-article-show-summary t]
3796 ["Fetch Message-ID at point" gnus-article-refer-article t]
3797 ["Mail to address at point" gnus-article-mail t]
3798 ["Send a bug report" gnus-bug t]))
3801 gnus-article-treatment-menu gnus-article-mode-map ""
3802 ;; Fixme: this should use :active (and maybe :visible).
3804 ["Hide headers" gnus-article-hide-headers t]
3805 ["Hide signature" gnus-article-hide-signature t]
3806 ["Hide citation" gnus-article-hide-citation t]
3807 ["Treat overstrike" gnus-article-treat-overstrike t]
3808 ["Treat ANSI sequences" gnus-article-treat-ansi-sequences t]
3809 ["Remove carriage return" gnus-article-remove-cr t]
3810 ["Remove leading whitespace" gnus-article-remove-leading-whitespace t]
3811 ["Treat html" gnus-article-wash-html t]
3812 ["Remove newlines from within URLs" gnus-article-unsplit-urls t]
3813 ["Decode HZ" gnus-article-decode-HZ t]))
3815 ;; Note "Commands" menu is defined in gnus-sum.el for consistency
3817 ;; Note "Post" menu is defined in gnus-sum.el for consistency
3819 (gnus-run-hooks 'gnus-article-menu-hook)))
3821 (defun gnus-article-mode ()
3822 "Major mode for displaying an article.
3824 All normal editing commands are switched off.
3826 The following commands are available in addition to all summary mode
3828 \\<gnus-article-mode-map>
3829 \\[gnus-article-next-page]\t Scroll the article one page forwards
3830 \\[gnus-article-prev-page]\t Scroll the article one page backwards
3831 \\[gnus-article-refer-article]\t Go to the article referred to by an article id near point
3832 \\[gnus-article-show-summary]\t Display the summary buffer
3833 \\[gnus-article-mail]\t Send a reply to the address near point
3834 \\[gnus-article-describe-briefly]\t Describe the current mode briefly
3835 \\[gnus-info-find-node]\t Go to the Gnus info node"
3837 (gnus-simplify-mode-line)
3838 (setq mode-name "Article")
3839 (setq major-mode 'gnus-article-mode)
3840 (make-local-variable 'minor-mode-alist)
3841 (unless (assq 'gnus-show-mime minor-mode-alist)
3842 (push (list 'gnus-show-mime " MIME") minor-mode-alist))
3843 (use-local-map gnus-article-mode-map)
3844 (when (gnus-visual-p 'article-menu 'menu)
3845 (gnus-article-make-menu-bar)
3846 (when gnus-summary-tool-bar-map
3847 (set (make-local-variable 'tool-bar-map) gnus-summary-tool-bar-map)))
3848 (gnus-update-format-specifications nil 'article-mode)
3849 (set (make-local-variable 'page-delimiter) gnus-page-delimiter)
3850 (set (make-local-variable 'gnus-page-broken) nil)
3851 (make-local-variable 'gnus-button-marker-list)
3852 (make-local-variable 'gnus-article-current-summary)
3853 (make-local-variable 'gnus-article-mime-handles)
3854 (make-local-variable 'gnus-article-decoded-p)
3855 (make-local-variable 'gnus-article-mime-handle-alist)
3856 (make-local-variable 'gnus-article-wash-types)
3857 (make-local-variable 'gnus-article-image-alist)
3858 (make-local-variable 'gnus-article-charset)
3859 (make-local-variable 'gnus-article-ignored-charsets)
3860 (gnus-set-default-directory)
3861 (buffer-disable-undo)
3862 (setq buffer-read-only t)
3863 (set-syntax-table gnus-article-mode-syntax-table)
3864 (gnus-run-hooks 'gnus-article-mode-hook))
3866 (defun gnus-article-setup-buffer ()
3867 "Initialize the article buffer."
3868 (let* ((name (if gnus-single-article-buffer "*Article*"
3869 (concat "*Article " gnus-newsgroup-name "*")))
3871 (progn (string-match "\\*Article" name)
3872 (concat " *Original Article"
3873 (substring name (match-end 0))))))
3874 (setq gnus-article-buffer name)
3875 (setq gnus-original-article-buffer original)
3876 (setq gnus-article-mime-handle-alist nil)
3877 ;; This might be a variable local to the summary buffer.
3878 (unless gnus-single-article-buffer
3880 (set-buffer gnus-summary-buffer)
3881 (setq gnus-article-buffer name)
3882 (setq gnus-original-article-buffer original)
3883 (gnus-set-global-variables)))
3884 (gnus-article-setup-highlight-words)
3885 ;; Init original article buffer.
3887 (set-buffer (gnus-get-buffer-create gnus-original-article-buffer))
3888 (set-buffer-multibyte t)
3889 (setq major-mode 'gnus-original-article-mode)
3890 (make-local-variable 'gnus-original-article))
3891 (if (get-buffer name)
3894 (when (and gnus-article-edit-mode
3897 (y-or-n-p "Article mode edit in progress; discard? ")))
3898 (error "Action aborted"))
3899 (set (make-local-variable 'gnus-article-edit-mode) nil)
3900 (buffer-disable-undo)
3901 (setq buffer-read-only t)
3902 ;; This list just keeps growing if we don't reset it.
3903 (setq gnus-button-marker-list nil)
3904 (unless (eq major-mode 'gnus-article-mode)
3905 (gnus-article-mode))
3908 (set-buffer (gnus-get-buffer-create name))
3910 (make-local-variable 'gnus-summary-buffer)
3911 (gnus-summary-set-local-parameters gnus-newsgroup-name)
3912 (current-buffer)))))
3914 ;; Set article window start at LINE, where LINE is the number of lines
3915 ;; from the head of the article.
3916 (defun gnus-article-set-window-start (&optional line)
3918 (gnus-get-buffer-window gnus-article-buffer t)
3920 (set-buffer gnus-article-buffer)
3921 (goto-char (point-min))
3924 (gnus-message 6 "Moved to bookmark")
3925 (search-forward "\n\n" nil t)
3929 ;;; @@ article filters
3932 (defun gnus-article-display-mime-message ()
3933 "Article display method for MIME message."
3934 ;; called from `gnus-original-article-buffer'.
3935 (let (charset all-headers)
3936 (with-current-buffer gnus-summary-buffer
3937 (setq charset default-mime-charset
3938 all-headers gnus-have-all-headers))
3939 (make-local-variable 'default-mime-charset)
3940 (setq default-mime-charset charset)
3941 (with-current-buffer (get-buffer-create gnus-article-buffer)
3942 (make-local-variable 'default-mime-charset)
3943 (setq default-mime-charset charset))
3944 (mime-display-message mime-message-structure
3945 gnus-article-buffer nil gnus-article-mode-map)
3947 (gnus-article-hide-headers nil -1)))
3948 (run-hooks 'gnus-mime-article-prepare-hook))
3950 (defun gnus-article-display-traditional-message ()
3951 "Article display method for traditional message."
3952 (set-buffer gnus-article-buffer)
3953 (let (buffer-read-only)
3955 (insert-buffer-substring gnus-original-article-buffer)))
3957 (defun gnus-article-make-full-mail-header (&optional number charset)
3958 "Create a new mail header structure in a raw article buffer."
3959 (unless (and number charset)
3960 (save-current-buffer
3961 (set-buffer gnus-summary-buffer)
3963 (setq number (or (cdr gnus-article-current) 0)))
3965 (setq charset (or default-mime-charset 'x-ctext)))))
3966 (goto-char (point-min))
3967 (let ((header-end (if (search-forward "\n\n" nil t)
3969 (goto-char (point-max))))
3970 (chars (- (point-max) (point)))
3971 (lines (count-lines (point) (point-max)))
3972 (default-mime-charset charset)
3974 (narrow-to-region (point-min) header-end)
3975 (setq xref (std11-fetch-field "xref"))
3977 (make-full-mail-header
3979 (std11-fetch-field "subject")
3980 (std11-fetch-field "from")
3981 (std11-fetch-field "date")
3982 (std11-fetch-field "message-id")
3983 (std11-fetch-field "references")
3986 (when xref (concat "Xref: " xref)))
3989 (defun gnus-article-prepare (article &optional all-headers header)
3990 "Prepare ARTICLE in article mode buffer.
3991 ARTICLE should either be an article number or a Message-ID.
3992 If ARTICLE is an id, HEADER should be the article headers.
3993 If ALL-HEADERS is non-nil, no headers are hidden."
3995 ;; Make sure we start in a summary buffer.
3996 (unless (eq major-mode 'gnus-summary-mode)
3997 (set-buffer gnus-summary-buffer))
3998 (setq gnus-summary-buffer (current-buffer))
3999 (let* ((gnus-article (if header (mail-header-number header) article))
4000 (summary-buffer (current-buffer))
4001 (gnus-tmp-internal-hook gnus-article-internal-prepare-hook)
4002 (group gnus-newsgroup-name)
4005 (gnus-article-setup-buffer)
4006 (set-buffer gnus-article-buffer)
4007 ;; Deactivate active regions.
4008 (when (and (boundp 'transient-mark-mode)
4009 transient-mark-mode)
4010 (setq mark-active nil))
4011 (if (not (setq result (let ((buffer-read-only nil))
4012 (gnus-request-article-this-buffer
4014 ;; There is no such article.
4016 (when (and (numberp article)
4017 (not (memq article gnus-newsgroup-sparse)))
4018 (setq gnus-article-current
4019 (cons gnus-newsgroup-name article))
4020 (set-buffer gnus-summary-buffer)
4021 (setq gnus-current-article article)
4022 (if (and (memq article gnus-newsgroup-undownloaded)
4023 (not (gnus-online (gnus-find-method-for-group
4024 gnus-newsgroup-name))))
4026 (gnus-summary-set-agent-mark article)
4027 (message "Message marked for downloading"))
4028 (gnus-summary-mark-article article gnus-canceled-mark)
4029 (unless (memq article gnus-newsgroup-sparse)
4030 (gnus-error 1 "No such article (may have expired or been canceled)")))))
4031 (if (or (eq result 'pseudo)
4032 (eq result 'nneething))
4035 (set-buffer summary-buffer)
4036 (push article gnus-newsgroup-history)
4037 (setq gnus-last-article gnus-current-article
4038 gnus-current-article 0
4039 gnus-current-headers nil
4040 gnus-article-current nil)
4041 (if (eq result 'nneething)
4042 (gnus-configure-windows 'summary)
4043 (gnus-configure-windows 'article))
4044 (gnus-set-global-variables))
4045 (let ((gnus-article-mime-handle-alist-1
4046 gnus-article-mime-handle-alist))
4047 (gnus-set-mode-line 'article)))
4048 ;; The result from the `request' was an actual article -
4049 ;; or at least some text that is now displayed in the
4051 (when (and (numberp article)
4052 (not (eq article gnus-current-article)))
4053 ;; Seems like a new article has been selected.
4054 ;; `gnus-current-article' must be an article number.
4056 (set-buffer summary-buffer)
4057 (push article gnus-newsgroup-history)
4058 (setq gnus-last-article gnus-current-article
4059 gnus-current-article article
4060 gnus-current-headers
4061 (gnus-summary-article-header gnus-current-article)
4062 gnus-article-current
4063 (cons gnus-newsgroup-name gnus-current-article))
4064 (unless (vectorp gnus-current-headers)
4065 (setq gnus-current-headers nil))
4066 (gnus-summary-goto-subject gnus-current-article)
4067 (when (gnus-summary-show-thread)
4068 ;; If the summary buffer really was folded, the
4069 ;; previous goto may not actually have gone to
4070 ;; the right article, but the thread root instead.
4072 (gnus-summary-goto-subject gnus-current-article))
4073 (gnus-run-hooks 'gnus-mark-article-hook)
4074 (gnus-set-mode-line 'summary)
4075 (when (gnus-visual-p 'article-highlight 'highlight)
4076 (gnus-run-hooks 'gnus-visual-mark-article-hook))
4077 ;; Set the global newsgroup variables here.
4078 (gnus-set-global-variables)
4079 (setq gnus-have-all-headers
4080 (or all-headers gnus-show-all-headers))))
4082 (gnus-configure-windows 'article))
4083 (when (or (numberp article)
4085 (gnus-article-prepare-display)
4087 (goto-char (point-min))
4088 (when gnus-break-pages
4089 (gnus-narrow-to-page)))
4090 (let ((gnus-article-mime-handle-alist-1
4091 gnus-article-mime-handle-alist))
4092 (gnus-set-mode-line 'article))
4096 (set-window-point (get-buffer-window (current-buffer)) (point))
4097 (gnus-configure-windows 'article)
4100 (defun gnus-article-prepare-mime-display (&optional number)
4101 (goto-char (point-min))
4102 (when (re-search-forward "^[^\t ]+:" nil t)
4103 (goto-char (match-beginning 0)))
4104 (let ((entity (if (eq 1 (point-min))
4105 (get-text-property 1 'mime-view-entity)
4106 (get-text-property (point) 'mime-view-entity)))
4107 last-entity child-entity next type)
4108 (setq child-entity (mime-entity-children entity))
4110 (setq last-entity (nth (1- (length child-entity))
4112 (setq last-entity entity))
4114 (narrow-to-region (point)
4115 (if (search-forward "\n\n" nil t)
4118 (gnus-treat-article 'head)
4119 (put-text-property (point-min) (point-max) 'article-treated-header t)
4120 (goto-char (point-max)))
4121 (while (and (not (eobp)) entity)
4122 (setq next (set-marker
4124 (next-single-property-change (point) 'mime-view-entity
4126 (let ((types (mime-entity-content-type entity)))
4127 (while (eq 'multipart (mime-content-type-primary-type types))
4128 (setq entity (car (mime-entity-children entity))
4129 types (mime-entity-content-type entity)))
4131 (setq type (format "%s/%s"
4132 (mime-content-type-primary-type types)
4133 (mime-content-type-subtype types)))))
4134 (if (string-equal type "message/rfc822")
4137 (let ((children (mime-entity-children entity))
4140 (setq last-children (nth (1- (length children)) children))
4143 (not (eq last-children
4144 (get-text-property next 'mime-view-entity)))
4146 (next-single-property-change next
4148 nil (point-max)))))))
4149 (setq next (next-single-property-change next 'mime-view-entity
4152 (narrow-to-region (point) next)
4153 (gnus-article-prepare-mime-display)
4154 (goto-char (point-max)))
4155 (setq entity (get-text-property (point) 'mime-view-entity)))
4157 (narrow-to-region (point) next)
4158 ;; Kludge. We have to count true number, but for now,
4159 ;; part number is here only to achieve `last'.
4160 (gnus-treat-article nil 1
4161 (if (eq entity last-entity)
4164 (goto-char (point-max)))
4165 (setq entity (get-text-property next 'mime-view-entity))))))
4168 (defun gnus-article-prepare-display ()
4169 "Make the current buffer look like a nice article."
4170 (let ((gnus-article-buffer (current-buffer))
4172 (unless (eq major-mode 'gnus-article-mode)
4173 (gnus-article-mode))
4174 (setq buffer-read-only nil
4175 gnus-button-marker-list nil
4176 gnus-article-wash-types nil
4177 gnus-article-image-alist nil)
4180 (static-if (featurep 'xemacs)
4181 (map-extents (lambda (extent maparg) (delete-extent extent)))
4182 (let ((lists (overlay-lists)))
4183 (dolist (overlay (nconc (car lists) (cdr lists)))
4184 (delete-overlay overlay)))))
4185 (gnus-run-hooks 'gnus-tmp-internal-hook))
4186 (let ((show-mime (unless (member gnus-newsgroup-name '("nndraft:delayed"
4189 (inhibit-read-only t))
4190 (set-buffer gnus-original-article-buffer)
4192 (setq mime-message-structure gnus-current-headers)
4193 (mime-buffer-entity-set-buffer-internal mime-message-structure
4194 gnus-original-article-buffer)
4195 (mime-entity-set-representation-type-internal mime-message-structure
4196 'mime-buffer-entity)
4197 (luna-send mime-message-structure 'initialize-instance
4198 mime-message-structure)
4200 (let (mime-display-header-hook mime-display-text/plain-hook)
4201 (funcall gnus-article-display-method-for-mime))
4202 (funcall gnus-article-display-method-for-traditional))
4203 ;; Call the treatment functions.
4207 (gnus-article-prepare-mime-display)
4208 (narrow-to-region (goto-char (point-min))
4209 (if (search-forward "\n\n" nil t)
4212 (gnus-treat-article 'head)
4213 (put-text-property (point-min) (point-max) 'article-treated-header t)
4214 (goto-char (point-max))
4216 (narrow-to-region (point) (point-max))
4217 (gnus-treat-article nil))
4218 (put-text-property (point-min) (point-max) 'read-only nil)))
4219 (gnus-run-hooks 'gnus-article-prepare-hook))
4221 (defun gnus-article-decode-article-as-default-mime-charset ()
4222 "Decode an article as `default-mime-charset'. It won't work if the
4223 value of the variable `gnus-show-mime' is non-nil."
4224 (unless (or gnus-show-mime
4225 (member gnus-newsgroup-name '("nndraft:delayed"
4227 (set (make-local-variable 'default-mime-charset)
4228 (with-current-buffer gnus-summary-buffer
4229 default-mime-charset))
4230 (decode-mime-charset-region (point-min) (point-max)
4231 default-mime-charset)))
4234 ;;; Gnus MIME viewing functions
4237 (defvar gnus-mime-button-line-format "%{%([%p. %d%T]%)%}%e\n"
4238 "Format of the MIME buttons.
4240 Valid specifiers include:
4242 %T MIME type, along with additional info
4243 %n The `name' parameter
4244 %d The description, if any
4245 %l The length of the encoded part
4246 %p The part identifier number
4247 %e Dots if the part isn't displayed
4249 General format specifiers can also be used. See Info node
4250 `(gnus)Formatting Variables'.")
4252 (defvar gnus-mime-button-line-format-alist
4253 '((?t gnus-tmp-type ?s)
4254 (?T gnus-tmp-type-long ?s)
4255 (?n gnus-tmp-name ?s)
4256 (?d gnus-tmp-description ?s)
4258 (?l gnus-tmp-length ?d)
4259 (?e gnus-tmp-dots ?s)))
4261 (defvar gnus-mime-button-commands
4262 '((gnus-article-press-button "\r" "Toggle Display")
4263 (gnus-mime-view-part "v" "View Interactively...")
4264 (gnus-mime-view-part-as-type "t" "View As Type...")
4265 (gnus-mime-view-part-as-charset "C" "View As charset...")
4266 (gnus-mime-save-part "o" "Save...")
4267 (gnus-mime-save-part-and-strip "\C-o" "Save and Strip")
4268 (gnus-mime-delete-part "d" "Delete part")
4269 (gnus-mime-copy-part "c" "View As Text, In Other Buffer")
4270 (gnus-mime-inline-part "i" "View As Text, In This Buffer")
4271 (gnus-mime-view-part-internally "E" "View Internally")
4272 (gnus-mime-view-part-externally "e" "View Externally")
4273 (gnus-mime-print-part "p" "Print")
4274 (gnus-mime-pipe-part "|" "Pipe To Command...")
4275 (gnus-mime-action-on-part "." "Take action on the part...")))
4277 (defun gnus-article-mime-part-status ()
4278 (with-current-buffer gnus-article-buffer
4279 (let ((entity (get-text-property (point-min) 'mime-view-entity))
4282 (setq children (mime-entity-children entity))
4283 (setq children (length children)))
4286 (format " (%d parts)" children))
4289 (defvar gnus-mime-button-map
4290 (let ((map (make-sparse-keymap)))
4291 (define-key map gnus-mouse-2 'gnus-article-push-button)
4292 (define-key map gnus-down-mouse-3 'gnus-mime-button-menu)
4293 (dolist (c gnus-mime-button-commands)
4294 (define-key map (cadr c) (car c)))
4298 gnus-mime-button-menu gnus-mime-button-map "MIME button menu."
4300 ,@(mapcar (lambda (c)
4301 (vector (caddr c) (car c) :enable t))
4302 gnus-mime-button-commands)))
4304 (defun gnus-mime-button-menu (event prefix)
4305 "Construct a context-sensitive menu of MIME commands."
4306 (interactive "e\nP")
4307 (save-window-excursion
4308 (let ((pos (event-start event)))
4309 (select-window (posn-window pos))
4310 (goto-char (posn-point pos))
4311 (gnus-article-check-buffer)
4312 (popup-menu gnus-mime-button-menu nil prefix))))
4314 (defun gnus-mime-view-all-parts (&optional handles)
4315 "View all the MIME parts."
4317 (with-current-buffer gnus-article-buffer
4318 (let ((handles (or handles gnus-article-mime-handles))
4319 (mail-parse-charset gnus-newsgroup-charset)
4320 (mail-parse-ignored-charsets
4321 (with-current-buffer gnus-summary-buffer
4322 gnus-newsgroup-ignored-charsets)))
4324 (mm-remove-parts handles)
4325 (goto-char (point-min))
4326 (or (search-forward "\n\n") (goto-char (point-max)))
4327 (let (buffer-read-only)
4328 (delete-region (point) (point-max))
4329 (mm-display-parts handles))))))
4332 (defsubst gnus-article-edit-part (handles)
4333 "Edit an article in order to delete a mime part.
4334 This function is exclusively used by `gnus-mime-save-part-and-strip'
4335 and `gnus-mime-delete-part', and not provided at run-time normally."
4336 (gnus-article-edit-article
4339 (let ((mail-parse-charset (or gnus-article-charset
4340 ',gnus-newsgroup-charset))
4341 (mail-parse-ignored-charsets
4342 (or gnus-article-ignored-charsets
4343 ',gnus-newsgroup-ignored-charsets))
4344 (mbl mml-buffer-list))
4345 (setq mml-buffer-list nil)
4346 (insert-buffer gnus-original-article-buffer)
4347 (mime-to-mml ',handles)
4348 (setq gnus-article-mime-handles nil)
4349 (let ((mbl1 mml-buffer-list))
4350 (setq mml-buffer-list mbl)
4351 (set (make-local-variable 'mml-buffer-list) mbl1))
4352 (gnus-make-local-hook 'kill-buffer-hook)
4353 (add-hook 'kill-buffer-hook 'mml-destroy-buffers t t)))
4354 `(lambda (no-highlight)
4355 (let ((mail-parse-charset (or gnus-article-charset
4356 ',gnus-newsgroup-charset))
4357 (message-options message-options)
4358 (message-options-set-recipient)
4359 (mail-parse-ignored-charsets
4360 (or gnus-article-ignored-charsets
4361 ',gnus-newsgroup-ignored-charsets)))
4363 (mml-destroy-buffers)
4364 (remove-hook 'kill-buffer-hook
4365 'mml-destroy-buffers t)
4366 (kill-local-variable 'mml-buffer-list))
4367 (gnus-summary-edit-article-done
4368 ,(or (mail-header-references gnus-current-headers) "")
4369 ,(gnus-group-read-only-p)
4370 ,gnus-summary-buffer no-highlight)))
4371 (gnus-article-edit-done)
4372 (gnus-summary-expand-window)
4373 (gnus-summary-show-article)))
4375 (defun gnus-mime-save-part-and-strip ()
4376 "Save the MIME part under point then replace it with an external body."
4378 (gnus-article-check-buffer)
4379 (when (gnus-group-read-only-p)
4380 (error "The current group does not support deleting of parts"))
4381 (when (mm-complicated-handles gnus-article-mime-handles)
4383 The current article has a complicated MIME structure, giving up..."))
4384 (when (gnus-yes-or-no-p "\
4385 Deleting parts may malfunction or destroy the article; continue? ")
4386 (let* ((data (get-text-property (point) 'gnus-data))
4388 (handles gnus-article-mime-handles))
4389 (setq file (and data (mm-save-part data)))
4391 (with-current-buffer (mm-handle-buffer data)
4393 (insert "Content-Type: " (mm-handle-media-type data))
4394 (mml-insert-parameter-string (cdr (mm-handle-type data))
4397 (insert "Content-ID: " (message-make-message-id) "\n")
4398 (insert "Content-Transfer-Encoding: binary\n")
4401 (cdr (mm-make-handle nil
4402 `("message/external-body"
4403 (access-type . "LOCAL-FILE")
4405 (set-buffer gnus-summary-buffer)
4406 (gnus-article-edit-part handles)))))
4408 (defun gnus-mime-delete-part ()
4409 "Delete the MIME part under point.
4410 Replace it with some information about the removed part."
4412 (gnus-article-check-buffer)
4413 (when (gnus-group-read-only-p)
4414 (error "The current group does not support deleting of parts"))
4415 (when (mm-complicated-handles gnus-article-mime-handles)
4417 The current article has a complicated MIME structure, giving up..."))
4418 (when (gnus-yes-or-no-p "\
4419 Deleting parts may malfunction or destroy the article; continue? ")
4420 (let* ((data (get-text-property (point) 'gnus-data))
4421 (handles gnus-article-mime-handles)
4425 (mail-decode-encoded-word-string (or (mm-handle-description data)
4428 (or (mail-content-type-get (mm-handle-disposition data) 'filename)
4430 (type (mm-handle-media-type data)))
4432 (error "No MIME part under point"))
4433 (with-current-buffer (mm-handle-buffer data)
4434 (let ((bsize (format "%s" (buffer-size))))
4439 "| The following attachment has been deleted:\n"
4441 "| Type: " type "\n"
4442 "| Filename: " filename "\n"
4443 "| Size (encoded): " bsize " Byte\n"
4444 "| Description: " description "\n"
4447 (cdr (mm-make-handle
4448 nil `("text/plain") nil nil
4450 (format "Deleted attachment (%s bytes)" bsize))))))
4451 (set-buffer gnus-summary-buffer)
4452 (gnus-article-edit-part handles))))
4454 (defun gnus-mime-save-part ()
4455 "Save the MIME part under point."
4457 (gnus-article-check-buffer)
4458 (let ((data (get-text-property (point) 'gnus-data)))
4460 (mm-save-part data))))
4462 (defun gnus-mime-pipe-part ()
4463 "Pipe the MIME part under point to a process."
4465 (gnus-article-check-buffer)
4466 (let ((data (get-text-property (point) 'gnus-data)))
4468 (mm-pipe-part data))))
4470 (defun gnus-mime-view-part ()
4471 "Interactively choose a viewing method for the MIME part under point."
4473 (gnus-article-check-buffer)
4474 (let ((data (get-text-property (point) 'gnus-data)))
4476 (setq gnus-article-mime-handles
4478 gnus-article-mime-handles (setq data (copy-sequence data))))
4479 (mm-interactively-view-part data))))
4481 (defun gnus-mime-view-part-as-type-internal ()
4482 (gnus-article-check-buffer)
4483 (let* ((name (mail-content-type-get
4484 (mm-handle-type (get-text-property (point) 'gnus-data))
4486 (def-type (and name (mm-default-file-encoding name))))
4487 (and def-type (cons def-type 0))))
4489 (defun gnus-mime-view-part-as-type (&optional mime-type)
4490 "Choose a MIME media type, and view the part as such."
4493 (setq mime-type (completing-read
4494 "View as MIME type: "
4495 (mapcar #'list (mailcap-mime-types))
4497 (gnus-mime-view-part-as-type-internal))))
4498 (gnus-article-check-buffer)
4499 (let ((handle (get-text-property (point) 'gnus-data)))
4502 (mm-make-handle (mm-handle-buffer handle)
4503 (cons mime-type (cdr (mm-handle-type handle)))
4504 (mm-handle-encoding handle)
4505 (mm-handle-undisplayer handle)
4506 (mm-handle-disposition handle)
4507 (mm-handle-description handle)
4509 (mm-handle-id handle)))
4510 (setq gnus-article-mime-handles
4511 (mm-merge-handles gnus-article-mime-handles handle))
4512 (gnus-mm-display-part handle))))
4515 (require 'jka-compr))
4517 ;; jka-compr.el uses a "sh -c" to direct stderr to err-file, but these days
4518 ;; emacs can do that itself.
4520 (defun gnus-mime-jka-compr-maybe-uncompress ()
4521 "Uncompress the current buffer if `auto-compression-mode' is enabled.
4522 The uncompress method used is derived from `buffer-file-name'."
4523 (when (and (fboundp 'jka-compr-installed-p)
4524 (jka-compr-installed-p))
4525 (let ((info (jka-compr-get-compression-info buffer-file-name)))
4527 (let ((basename (file-name-nondirectory buffer-file-name))
4528 (args (jka-compr-info-uncompress-args info))
4529 (prog (jka-compr-info-uncompress-program info))
4530 (message (jka-compr-info-uncompress-message info))
4531 (err-file (jka-compr-make-temp-name)))
4533 (message "%s %s..." message basename))
4535 (unless (memq (apply 'call-process-region
4536 (point-min) (point-max)
4538 t (list t err-file) nil
4540 jka-compr-acceptable-retval-list)
4541 (jka-compr-error prog args basename message err-file))
4542 (jka-compr-delete-temp-file err-file)))))))
4544 (defun gnus-mime-copy-part (&optional handle)
4545 "Put the MIME part under point into a new buffer.
4546 If `auto-compression-mode' is enabled, compressed files like .gz and .bz2
4549 (gnus-article-check-buffer)
4550 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4551 (contents (and handle (mm-get-part handle)))
4553 (file-name-nondirectory
4555 (mail-content-type-get (mm-handle-type handle) 'name)
4556 (mail-content-type-get (mm-handle-disposition handle)
4559 (buffer (and base (generate-new-buffer base))))
4561 (switch-to-buffer buffer)
4563 ;; We do it this way to make `normal-mode' set the appropriate mode.
4566 (setq buffer-file-name (expand-file-name base))
4567 (gnus-mime-jka-compr-maybe-uncompress)
4569 (setq buffer-file-name nil))
4570 (goto-char (point-min)))))
4572 (defun gnus-mime-print-part (&optional handle filename)
4573 "Print the MIME part under point."
4574 (interactive (list nil (ps-print-preprint current-prefix-arg)))
4575 (gnus-article-check-buffer)
4576 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4577 (contents (and handle (mm-get-part handle)))
4578 (file (mm-make-temp-file (expand-file-name "mm." mm-tmp-directory)))
4579 (printer (mailcap-mime-info (mm-handle-media-type handle) "print")))
4584 (mm-save-part-to-file handle file)
4585 (call-process shell-file-name nil
4586 (generate-new-buffer " *mm*")
4588 shell-command-switch
4590 printer file (mm-handle-type handle))))
4594 (gnus-print-buffer))
4595 (ps-despool filename)))))
4597 (defun gnus-mime-inline-part (&optional handle arg)
4598 "Insert the MIME part under point into the current buffer."
4599 (interactive (list nil current-prefix-arg))
4600 (gnus-article-check-buffer)
4601 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4606 (if (and (not arg) (mm-handle-undisplayer handle))
4607 (mm-remove-part handle)
4608 (setq contents (mm-get-part handle))
4611 (setq charset (or (mail-content-type-get
4612 (mm-handle-type handle) 'charset)
4613 gnus-newsgroup-charset)))
4615 (if (mm-handle-undisplayer handle)
4616 (mm-remove-part handle))
4619 gnus-summary-show-article-charset-alist))
4620 (mm-read-coding-system "Charset: ")))))
4622 (mm-insert-inline handle
4624 (setq charset (mm-charset-to-coding-system
4626 (not (eq charset 'ascii)))
4627 (mm-decode-coding-string contents charset)
4631 (defun gnus-mime-view-part-as-charset (&optional handle arg)
4632 "Insert the MIME part under point into the current buffer using the
4634 (interactive (list nil current-prefix-arg))
4635 (gnus-article-check-buffer)
4636 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4641 (if (mm-handle-undisplayer handle)
4642 (mm-remove-part handle))
4643 (let ((gnus-newsgroup-charset
4645 gnus-summary-show-article-charset-alist))
4646 (mm-read-coding-system "Charset: ")))
4647 (gnus-newsgroup-ignored-charsets 'gnus-all))
4648 (gnus-article-press-button)))))
4650 (defun gnus-mime-view-part-externally (&optional handle)
4651 "View the MIME part under point with an external viewer."
4653 (gnus-article-check-buffer)
4654 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4655 (mm-user-display-methods nil)
4656 (mm-inlined-types nil)
4657 (mail-parse-charset gnus-newsgroup-charset)
4658 (mail-parse-ignored-charsets
4659 (with-current-buffer gnus-summary-buffer
4660 gnus-newsgroup-ignored-charsets)))
4662 (if (mm-handle-undisplayer handle)
4663 (mm-remove-part handle)
4664 (mm-display-part handle)))))
4666 (defun gnus-mime-view-part-internally (&optional handle)
4667 "View the MIME part under point with an internal viewer.
4668 If no internal viewer is available, use an external viewer."
4670 (gnus-article-check-buffer)
4671 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4672 (mm-inlined-types '(".*"))
4673 (mm-inline-large-images t)
4674 (mail-parse-charset gnus-newsgroup-charset)
4675 (mail-parse-ignored-charsets
4676 (with-current-buffer gnus-summary-buffer
4677 gnus-newsgroup-ignored-charsets))
4680 (if (mm-handle-undisplayer handle)
4681 (mm-remove-part handle)
4682 (mm-display-part handle)))))
4684 (defun gnus-mime-action-on-part (&optional action)
4685 "Do something with the MIME attachment at \(point\)."
4687 (list (completing-read "Action: " gnus-mime-action-alist nil t)))
4688 (gnus-article-check-buffer)
4689 (let ((action-pair (assoc action gnus-mime-action-alist)))
4691 (funcall (cdr action-pair)))))
4693 (defun gnus-article-part-wrapper (n function)
4694 (with-current-buffer gnus-article-buffer
4695 (when (> n (length gnus-article-mime-handle-alist))
4696 (error "No such part"))
4697 (gnus-article-goto-part n)
4698 (let ((handle (cdr (assq n gnus-article-mime-handle-alist))))
4699 (funcall function handle))))
4701 (defun gnus-article-pipe-part (n)
4702 "Pipe MIME part N, which is the numerical prefix."
4704 (gnus-article-part-wrapper n 'mm-pipe-part))
4706 (defun gnus-article-save-part (n)
4707 "Save MIME part N, which is the numerical prefix."
4709 (gnus-article-part-wrapper n 'mm-save-part))
4711 (defun gnus-article-interactively-view-part (n)
4712 "View MIME part N interactively, which is the numerical prefix."
4714 (gnus-article-part-wrapper n 'mm-interactively-view-part))
4716 (defun gnus-article-copy-part (n)
4717 "Copy MIME part N, which is the numerical prefix."
4719 (gnus-article-part-wrapper n 'gnus-mime-copy-part))
4721 (defun gnus-article-view-part-as-charset (n)
4722 "View MIME part N using a specified charset.
4723 N is the numerical prefix."
4725 (gnus-article-part-wrapper n 'gnus-mime-view-part-as-charset))
4727 (defun gnus-article-view-part-externally (n)
4728 "View MIME part N externally, which is the numerical prefix."
4730 (gnus-article-part-wrapper n 'gnus-mime-view-part-externally))
4732 (defun gnus-article-inline-part (n)
4733 "Inline MIME part N, which is the numerical prefix."
4735 (gnus-article-part-wrapper n 'gnus-mime-inline-part))
4737 (defun gnus-article-mime-match-handle-first (condition)
4739 (let ((alist gnus-article-mime-handle-alist) ihandle n)
4740 (while (setq ihandle (pop alist))
4742 ((functionp condition)
4743 (funcall condition (cdr ihandle)))
4744 ((eq condition 'undisplayed)
4745 (not (or (mm-handle-undisplayer (cdr ihandle))
4746 (equal (mm-handle-media-type (cdr ihandle))
4747 "multipart/alternative"))))
4748 ((eq condition 'undisplayed-alternative)
4749 (not (mm-handle-undisplayer (cdr ihandle))))
4751 (gnus-article-goto-part (car ihandle))
4752 (or (not n) (< (car ihandle) n)))
4753 (setq n (car ihandle))))
4757 (defun gnus-article-view-part (&optional n)
4758 "View MIME part N, which is the numerical prefix."
4760 (with-current-buffer gnus-article-buffer
4761 (or (numberp n) (setq n (gnus-article-mime-match-handle-first
4762 gnus-article-mime-match-handle-function)))
4763 (when (> n (length gnus-article-mime-handle-alist))
4764 (error "No such part"))
4765 (let ((handle (cdr (assq n gnus-article-mime-handle-alist))))
4766 (when (gnus-article-goto-part n)
4767 (if (equal (car handle) "multipart/alternative")
4768 (gnus-article-press-button)
4769 (when (eq (gnus-mm-display-part handle) 'internal)
4770 (gnus-set-window-start)))))))
4772 (defsubst gnus-article-mime-total-parts ()
4773 (if (bufferp (car gnus-article-mime-handles))
4775 (1- (length gnus-article-mime-handles))))
4777 (defun gnus-mm-display-part (handle)
4778 "Display HANDLE and fix MIME button."
4779 (let ((id (get-text-property (point) 'gnus-part))
4784 (let ((window (selected-window))
4785 (mail-parse-charset gnus-newsgroup-charset)
4786 (mail-parse-ignored-charsets
4787 (if (gnus-buffer-live-p gnus-summary-buffer)
4788 (with-current-buffer gnus-summary-buffer
4789 gnus-newsgroup-ignored-charsets)
4793 (let ((win (gnus-get-buffer-window (current-buffer) t))
4796 (select-window win))
4799 (if (mm-handle-displayed-p handle)
4800 ;; This will remove the part.
4801 (mm-display-part handle)
4803 (narrow-to-region (point)
4804 (if (eobp) (point) (1+ (point))))
4805 (mm-display-part handle)
4806 ;; We narrow to the part itself and
4807 ;; then call the treatment functions.
4808 (goto-char (point-min))
4810 (narrow-to-region (point) (point-max))
4813 (gnus-article-mime-total-parts)
4814 (mm-handle-media-type handle)))))
4815 (if (window-live-p window)
4816 (select-window window)))))
4819 (gnus-insert-mime-button
4820 handle id (list (mm-handle-displayed-p handle)))
4821 (goto-char point))))
4823 (defun gnus-article-goto-part (n)
4824 "Go to MIME part N."
4825 (gnus-goto-char (text-property-any (point-min) (point-max) 'gnus-part n)))
4827 (defun gnus-insert-mime-button (handle gnus-tmp-id &optional displayed)
4828 (let ((gnus-tmp-name
4829 (or (mail-content-type-get (mm-handle-type handle) 'name)
4830 (mail-content-type-get (mm-handle-disposition handle) 'filename)
4831 (mail-content-type-get (mm-handle-type handle) 'url)
4833 (gnus-tmp-type (mm-handle-media-type handle))
4834 (gnus-tmp-description
4835 (mail-decode-encoded-word-string (or (mm-handle-description handle)
4838 (if (if displayed (car displayed)
4839 (mm-handle-displayed-p handle))
4841 (gnus-tmp-length (with-current-buffer (mm-handle-buffer handle)
4843 gnus-tmp-type-long b e)
4844 (when (string-match ".*/" gnus-tmp-name)
4845 (setq gnus-tmp-name (replace-match "" t t gnus-tmp-name)))
4846 (setq gnus-tmp-type-long (concat gnus-tmp-type
4847 (and (not (equal gnus-tmp-name ""))
4848 (concat "; " gnus-tmp-name))))
4849 (unless (equal gnus-tmp-description "")
4850 (setq gnus-tmp-type-long (concat " --- " gnus-tmp-type-long)))
4855 gnus-mime-button-line-format gnus-mime-button-line-format-alist
4856 `(keymap ,gnus-mime-button-map
4857 gnus-callback gnus-mm-display-part
4858 gnus-part ,gnus-tmp-id
4859 article-type annotation
4862 ;; Exclude a newline.
4865 (widget-convert-button
4868 :action 'gnus-widget-press-button
4869 :button-keymap gnus-mime-button-map
4871 (lambda (widget/window &optional overlay pos)
4872 ;; Needed to properly clear the message due to a bug in
4873 ;; wid-edit (XEmacs only).
4874 (if (boundp 'help-echo-owns-message)
4875 (setq help-echo-owns-message t))
4877 "%S: %s the MIME part; %S: more options"
4878 (aref gnus-mouse-2 0)
4879 ;; XEmacs will get a single widget arg; Emacs 21 will get
4880 ;; window, overlay, position.
4881 (if (mm-handle-displayed-p
4883 (with-current-buffer (gnus-overlay-buffer overlay)
4884 (widget-get (widget-at (gnus-overlay-start overlay))
4886 (widget-get widget/window :mime-handle)))
4888 (aref gnus-down-mouse-3 0))))))
4890 (defun gnus-widget-press-button (elems el)
4891 (goto-char (widget-get elems :from))
4892 (gnus-article-press-button))
4894 (defvar gnus-displaying-mime nil)
4896 (defun gnus-display-mime (&optional ihandles)
4897 "Display the MIME parts."
4899 (save-selected-window
4900 (let ((window (get-buffer-window gnus-article-buffer))
4903 (select-window window)
4904 ;; We have to do this since selecting the window
4905 ;; may change the point. So we set the window point.
4906 (set-window-point window point)))
4907 (let* ((handles (or ihandles
4908 (mm-dissect-buffer nil gnus-article-loose-mime)
4909 (and gnus-article-emulate-mime
4911 buffer-read-only handle name type b e display)
4912 (when (and (not ihandles)
4913 (not gnus-displaying-mime))
4914 ;; Top-level call; we clean up.
4915 (when gnus-article-mime-handles
4916 (mm-destroy-parts gnus-article-mime-handles)
4917 (setq gnus-article-mime-handle-alist nil));; A trick.
4918 (setq gnus-article-mime-handles handles)
4919 ;; We allow users to glean info from the handles.
4920 (when gnus-article-mime-part-function
4921 (gnus-mime-part-function handles)))
4923 (or (not (stringp (car handles)))
4926 (when (and (not ihandles)
4927 (not gnus-displaying-mime))
4928 ;; Clean up for mime parts.
4930 (delete-region (point) (point-max)))
4931 (let ((gnus-displaying-mime t))
4932 (gnus-mime-display-part handles)))
4935 (narrow-to-region (point) (point-max))
4936 (gnus-treat-article nil 1 1)
4939 ;; Highlight the headers.
4943 (narrow-to-region (point-min) (point))
4944 (gnus-treat-article 'head))))))))
4946 (defcustom gnus-mime-display-multipart-as-mixed nil
4947 "Display \"multipart\" parts as \"multipart/mixed\".
4949 If t, it overrides nil values of
4950 `gnus-mime-display-multipart-alternative-as-mixed' and
4951 `gnus-mime-display-multipart-related-as-mixed'."
4952 :group 'gnus-article-mime
4955 (defcustom gnus-mime-display-multipart-alternative-as-mixed nil
4956 "Display \"multipart/alternative\" parts as \"multipart/mixed\"."
4957 :group 'gnus-article-mime
4960 (defcustom gnus-mime-display-multipart-related-as-mixed nil
4961 "Display \"multipart/related\" parts as \"multipart/mixed\".
4963 If displaying \"text/html\" is discouraged \(see
4964 `mm-discouraged-alternatives'\) images or other material inside a
4965 \"multipart/related\" part might be overlooked when this variable is nil."
4966 :group 'gnus-article-mime
4969 (defun gnus-mime-display-part (handle)
4972 ((not (stringp (car handle)))
4973 (gnus-mime-display-single handle))
4974 ;; User-defined multipart
4975 ((cdr (assoc (car handle) gnus-mime-multipart-functions))
4976 (funcall (cdr (assoc (car handle) gnus-mime-multipart-functions))
4978 ;; multipart/alternative
4979 ((and (equal (car handle) "multipart/alternative")
4980 (not (or gnus-mime-display-multipart-as-mixed
4981 gnus-mime-display-multipart-alternative-as-mixed)))
4982 (let ((id (1+ (length gnus-article-mime-handle-alist))))
4983 (push (cons id handle) gnus-article-mime-handle-alist)
4984 (gnus-mime-display-alternative (cdr handle) nil nil id)))
4985 ;; multipart/related
4986 ((and (equal (car handle) "multipart/related")
4987 (not (or gnus-mime-display-multipart-as-mixed
4988 gnus-mime-display-multipart-related-as-mixed)))
4989 ;;;!!!We should find the start part, but we just default
4990 ;;;!!!to the first part.
4991 ;;(gnus-mime-display-part (cadr handle))
4992 ;;;!!! Most multipart/related is an HTML message plus images.
4993 ;;;!!! Unfortunately we are unable to let W3 display those
4994 ;;;!!! included images, so we just display it as a mixed multipart.
4995 ;;(gnus-mime-display-mixed (cdr handle))
4996 ;;;!!! No, w3 can display everything just fine.
4997 (gnus-mime-display-part (cadr handle)))
4998 ((equal (car handle) "multipart/signed")
4999 (gnus-add-wash-type 'signed)
5000 (gnus-mime-display-security handle))
5001 ((equal (car handle) "multipart/encrypted")
5002 (gnus-add-wash-type 'encrypted)
5003 (gnus-mime-display-security handle))
5004 ;; Other multiparts are handled like multipart/mixed.
5006 (gnus-mime-display-mixed (cdr handle)))))
5008 (defun gnus-mime-part-function (handles)
5009 (if (stringp (car handles))
5010 (mapcar 'gnus-mime-part-function (cdr handles))
5011 (funcall gnus-article-mime-part-function handles)))
5013 (defun gnus-mime-display-mixed (handles)
5014 (mapcar 'gnus-mime-display-part handles))
5016 (defun gnus-mime-display-single (handle)
5017 (let ((type (mm-handle-media-type handle))
5018 (ignored gnus-ignored-mime-types)
5025 (when (string-match (pop ignored) type)
5026 (throw 'ignored nil)))
5027 (if (and (setq not-attachment
5028 (and (not (mm-inline-override-p handle))
5029 (or (not (mm-handle-disposition handle))
5030 (equal (car (mm-handle-disposition handle))
5032 (mm-attachment-override-p handle))))
5033 (mm-automatic-display-p handle)
5035 (mm-inlinable-p handle)
5036 (mm-inlined-p handle))
5037 (mm-automatic-external-display-p type)))
5039 (when (equal (mm-handle-media-supertype handle) "text")
5041 (let ((id (1+ (length gnus-article-mime-handle-alist)))
5043 (push (cons id handle) gnus-article-mime-handle-alist)
5044 (when (or (not display)
5045 (not (gnus-unbuttonized-mime-type-p type)))
5046 (gnus-insert-mime-button
5047 handle id (list (or display (and not-attachment text))))
5048 (gnus-article-insert-newline)
5049 ;; Remember modify the number of forward lines.
5057 (let ((mail-parse-charset gnus-newsgroup-charset)
5058 (mail-parse-ignored-charsets
5059 (save-excursion (condition-case ()
5060 (set-buffer gnus-summary-buffer)
5062 gnus-newsgroup-ignored-charsets)))
5063 (mm-display-part handle t))
5064 (goto-char (point-max)))
5065 ((and text not-attachment)
5069 (gnus-article-insert-newline)
5070 (mm-insert-inline handle (mm-get-part handle))
5071 (goto-char (point-max))))
5075 (narrow-to-region beg (point))
5078 (gnus-article-mime-total-parts)
5079 (mm-handle-media-type handle)))))))))
5081 (defun gnus-unbuttonized-mime-type-p (type)
5082 "Say whether TYPE is to be unbuttonized."
5083 (unless gnus-inhibit-mime-unbuttonizing
5085 (let ((types gnus-unbuttonized-mime-types))
5087 (when (string-match (pop types) type)
5088 (throw 'found t)))))
5090 (let ((types gnus-buttonized-mime-types))
5092 (when (string-match (pop types) type)
5093 (throw 'found t)))))))))
5095 (defun gnus-article-insert-newline ()
5096 "Insert a newline, but mark it as undeletable."
5097 (gnus-put-text-property
5098 (point) (progn (insert "\n") (point)) 'gnus-undeletable t))
5100 (defun gnus-mime-display-alternative (handles &optional preferred ibegend id)
5101 (let* ((preferred (or preferred (mm-preferred-alternative handles)))
5104 handle buffer-read-only from props begend not-pref)
5105 (save-window-excursion
5108 (narrow-to-region (car ibegend)
5111 (goto-char (car ibegend))
5114 (delete-region (point-min) (point-max))
5115 (mm-remove-parts handles))
5116 (setq begend (list (point-marker)))
5118 (unless (setq not-pref (cadr (member preferred ihandles)))
5119 (setq not-pref (car ihandles)))
5122 (not (gnus-unbuttonized-mime-type-p
5123 "multipart/alternative")))
5124 (gnus-add-text-properties
5127 (insert (format "%d. " id))
5131 (unless ,(not ibegend)
5132 (setq gnus-article-mime-handle-alist
5133 ',gnus-article-mime-handle-alist))
5134 (gnus-mime-display-alternative
5135 ',ihandles ',not-pref ',begend ,id))
5136 keymap ,gnus-mime-button-map
5137 ,gnus-mouse-face-prop ,gnus-article-mouse-face
5138 face ,gnus-article-button-face
5141 (widget-convert-button 'link from (point)
5142 :action 'gnus-widget-press-button
5143 :button-keymap gnus-widget-button-keymap)
5145 (while (setq handle (pop handles))
5146 (gnus-add-text-properties
5149 (insert (format "(%c) %-18s"
5150 (if (equal handle preferred) ?* ? )
5151 (mm-handle-media-type handle)))
5155 (unless ,(not ibegend)
5156 (setq gnus-article-mime-handle-alist
5157 ',gnus-article-mime-handle-alist))
5158 (gnus-mime-display-alternative
5159 ',ihandles ',handle ',begend ,id))
5160 keymap ,gnus-mime-button-map
5161 ,gnus-mouse-face-prop ,gnus-article-mouse-face
5162 face ,gnus-article-button-face
5165 (widget-convert-button 'link from (point)
5166 :action 'gnus-widget-press-button
5167 :button-keymap gnus-widget-button-keymap)
5171 (if (stringp (car preferred))
5172 (gnus-display-mime preferred)
5173 (let ((mail-parse-charset gnus-newsgroup-charset)
5174 (mail-parse-ignored-charsets
5175 (with-current-buffer gnus-summary-buffer
5176 gnus-newsgroup-ignored-charsets)))
5177 (mm-display-part preferred)
5181 (narrow-to-region (car begend) (point-max))
5183 nil (length gnus-article-mime-handle-alist)
5184 (gnus-article-mime-total-parts)
5185 (mm-handle-media-type handle))))))
5186 (goto-char (point-max))
5187 (setcdr begend (point-marker)))))
5189 (goto-char point))))
5191 (defconst gnus-article-wash-status-strings
5192 (let ((alist '((cite "c" "Possible hidden citation text"
5193 " " "All citation text visible")
5194 (headers "h" "Hidden headers"
5195 " " "All headers visible.")
5196 (pgp "p" "Encrypted or signed message status hidden"
5197 " " "No hidden encryption nor digital signature status")
5198 (signature "s" "Signature has been hidden"
5199 " " "Signature is visible")
5200 (overstrike "o" "Overstrike (^H) characters applied"
5201 " " "No overstrike characters applied")
5202 (gnus-show-mime "m" "Mime processing is activated"
5203 " " "Mime processing is not activated")
5204 (emphasis "e" "/*_Emphasis_*/ characters applied"
5205 " " "No /*_emphasis_*/ characters applied")))
5207 (dolist (entry alist result)
5208 (let ((key (nth 0 entry))
5209 (on (copy-sequence (nth 1 entry)))
5210 (on-help (nth 2 entry))
5211 (off (copy-sequence (nth 3 entry)))
5212 (off-help (nth 4 entry)))
5213 (put-text-property 0 1 'help-echo on-help on)
5214 (put-text-property 0 1 'help-echo off-help off)
5215 (push (list key on off) result))))
5216 "Alist of strings describing wash status in the mode line.
5217 Each entry has the form (KEY ON OF), where the KEY is a symbol
5218 representing the particular washing function, ON is the string to use
5219 in the article mode line when the washing function is active, and OFF
5220 is the string to use when it is inactive.")
5222 (defun gnus-article-wash-status-entry (key value)
5223 (let ((entry (assoc key gnus-article-wash-status-strings)))
5224 (if value (nth 1 entry) (nth 2 entry))))
5226 (defun gnus-article-wash-status ()
5227 "Return a string which display status of article washing."
5228 (with-current-buffer gnus-article-buffer
5229 (let ((cite (memq 'cite gnus-article-wash-types))
5230 (headers (memq 'headers gnus-article-wash-types))
5231 (boring (memq 'boring-headers gnus-article-wash-types))
5232 (pgp (memq 'pgp gnus-article-wash-types))
5233 (pem (memq 'pem gnus-article-wash-types))
5234 (signed (memq 'signed gnus-article-wash-types))
5235 (encrypted (memq 'encrypted gnus-article-wash-types))
5236 (signature (memq 'signature gnus-article-wash-types))
5237 (overstrike (memq 'overstrike gnus-article-wash-types))
5238 (emphasis (memq 'emphasis gnus-article-wash-types)))
5240 (gnus-article-wash-status-entry 'cite cite)
5241 (gnus-article-wash-status-entry 'headers (or headers boring))
5242 (gnus-article-wash-status-entry 'pgp (or pgp pem signed encrypted))
5243 (gnus-article-wash-status-entry 'signature signature)
5244 (gnus-article-wash-status-entry 'overstrike overstrike)
5245 (gnus-article-wash-status-entry 'gnus-show-mime gnus-show-mime)
5246 (gnus-article-wash-status-entry 'emphasis emphasis)))))
5248 (defun gnus-add-wash-type (type)
5249 "Add a washing of TYPE to the current status."
5250 (add-to-list 'gnus-article-wash-types type))
5252 (defun gnus-delete-wash-type (type)
5253 "Add a washing of TYPE to the current status."
5254 (setq gnus-article-wash-types (delq type gnus-article-wash-types)))
5256 (defun gnus-add-image (category image)
5257 "Add IMAGE of CATEGORY to the list of displayed images."
5258 (let ((entry (assq category gnus-article-image-alist)))
5260 (setq entry (list category))
5261 (push entry gnus-article-image-alist))
5262 (nconc entry (list image))))
5264 (defun gnus-delete-images (category)
5265 "Delete all images in CATEGORY."
5266 (let ((entry (assq category gnus-article-image-alist)))
5267 (dolist (image (cdr entry))
5268 (gnus-remove-image image category))
5269 (setq gnus-article-image-alist (delq entry gnus-article-image-alist))
5270 (gnus-delete-wash-type category)))
5272 (defalias 'gnus-article-hide-headers-if-wanted 'gnus-article-maybe-hide-headers)
5274 (defun gnus-article-maybe-hide-headers ()
5275 "Hide unwanted headers if `gnus-have-all-headers' is nil.
5276 Provided for backwards compatibility."
5277 (when (and (or (not (gnus-buffer-live-p gnus-summary-buffer))
5278 (not (with-current-buffer gnus-summary-buffer
5279 gnus-have-all-headers)))
5280 (not gnus-inhibit-hiding))
5281 (gnus-article-hide-headers)))
5285 (defun gnus-output-to-file (file-name)
5286 "Append the current article to a file named FILE-NAME."
5287 (let ((artbuf (current-buffer)))
5289 (insert-buffer-substring artbuf)
5290 ;; Append newline at end of the buffer as separator, and then
5292 (goto-char (point-max))
5294 (let ((file-name-coding-system nnmail-pathname-coding-system))
5295 (write-region-as-binary (point-min) (point-max) file-name 'append))
5298 (defun gnus-narrow-to-page (&optional arg)
5299 "Narrow the article buffer to a page.
5300 If given a numerical ARG, move forward ARG pages."
5302 (setq arg (if arg (prefix-numeric-value arg) 0))
5304 (set-buffer gnus-article-buffer)
5305 (goto-char (point-min))
5307 ;; Remove any old next/prev buttons.
5308 (when (gnus-visual-p 'page-marker)
5309 (let ((buffer-read-only nil))
5310 (gnus-remove-text-with-property 'gnus-prev)
5311 (gnus-remove-text-with-property 'gnus-next)))
5314 (re-search-backward page-delimiter nil 'move (1+ (abs arg))))
5316 (re-search-forward page-delimiter nil 'move arg)))
5317 (goto-char (match-end 0))
5319 (goto-char (point-min))
5320 (setq gnus-page-broken
5321 (and (re-search-forward page-delimiter nil t) t))))
5322 (when gnus-page-broken
5325 (if (re-search-forward page-delimiter nil 'move)
5328 (when (and (gnus-visual-p 'page-marker)
5329 (not (= (point-min) 1)))
5331 (goto-char (point-min))
5332 (gnus-insert-prev-page-button)))
5333 (when (and (gnus-visual-p 'page-marker)
5334 (< (+ (point-max) 2) (buffer-size)))
5336 (goto-char (point-max))
5337 (gnus-insert-next-page-button))))))
5339 ;; Article mode commands
5341 (defun gnus-article-goto-next-page ()
5342 "Show the next page of the article."
5344 (when (gnus-article-next-page)
5345 (goto-char (point-min))
5346 (gnus-article-read-summary-keys nil (gnus-character-to-event ?n))))
5349 (defun gnus-article-goto-prev-page ()
5350 "Show the previous page of the article."
5353 (gnus-article-read-summary-keys nil (gnus-character-to-event ?p))
5354 (gnus-article-prev-page nil)))
5356 ;; This is cleaner but currently breaks `gnus-pick-mode':
5358 ;; (defun gnus-article-goto-next-page ()
5359 ;; "Show the next page of the article."
5361 ;; (gnus-eval-in-buffer-window gnus-summary-buffer
5362 ;; (gnus-summary-next-page)))
5364 ;; (defun gnus-article-goto-prev-page ()
5365 ;; "Show the next page of the article."
5367 ;; (gnus-eval-in-buffer-window gnus-summary-buffer
5368 ;; (gnus-summary-prev-page)))
5370 (defun gnus-article-next-page (&optional lines)
5371 "Show the next page of the current article.
5372 If end of article, return non-nil. Otherwise return nil.
5373 Argument LINES specifies lines to be scrolled up."
5375 (move-to-window-line -1)
5378 (and (pos-visible-in-window-p) ;Not continuation line.
5379 (>= (1+ (point)) (point-max)))) ;Allow for trailing newline.
5380 ;; Nothing in this page.
5381 (if (or (not gnus-page-broken)
5385 (eobp)))) ;Real end-of-buffer?
5387 (when gnus-article-over-scroll
5388 (gnus-article-next-page-1 lines))
5390 (gnus-narrow-to-page 1) ;Go to next page.
5392 ;; More in this page.
5393 (gnus-article-next-page-1 lines)
5396 (defun gnus-article-next-page-1 (lines)
5397 (let ((scroll-in-place nil))
5401 ;; Long lines may cause an end-of-buffer error.
5402 (goto-char (point-max)))))
5403 (move-to-window-line 0))
5405 (defun gnus-article-prev-page (&optional lines)
5406 "Show previous page of current article.
5407 Argument LINES specifies lines to be scrolled down."
5409 (move-to-window-line 0)
5410 (if (and gnus-page-broken
5412 (not (save-restriction (widen) (bobp)))) ;Real beginning-of-buffer?
5414 (gnus-narrow-to-page -1) ;Go to previous page.
5415 (goto-char (point-max))
5417 (let ((scroll-in-place nil))
5421 (beginning-of-buffer
5422 (goto-char (point-min))))
5423 (move-to-window-line 0)))))
5425 (defun gnus-article-only-boring-p ()
5426 "Decide whether there is only boring text remaining in the article.
5427 Something \"interesting\" is a word of at least two letters that does
5428 not have a face in `gnus-article-boring-faces'."
5429 (when (and gnus-article-skip-boring
5430 (boundp 'gnus-article-boring-faces)
5431 (symbol-value 'gnus-article-boring-faces))
5434 (while (re-search-forward "\\b\\w\\w" nil t)
5436 (when (not (gnus-intersection
5437 (gnus-faces-at (point))
5438 (symbol-value 'gnus-article-boring-faces)))
5439 (throw 'only-boring nil)))
5440 (throw 'only-boring t)))))
5442 (defun gnus-article-refer-article ()
5443 "Read article specified by message-id around point."
5446 (re-search-backward "[ \t]\\|^" (point-at-bol) t)
5447 (re-search-forward "<?news:<?\\|<" (point-at-eol) t)
5448 (if (re-search-forward "[^@ ]+@[^ \t>]+" (point-at-eol) t)
5449 (let ((msg-id (concat "<" (match-string 0) ">")))
5450 (set-buffer gnus-summary-buffer)
5451 (gnus-summary-refer-article msg-id))
5452 (error "No references around point"))))
5454 (defun gnus-article-show-summary ()
5455 "Reconfigure windows to show summary buffer."
5457 (if (not (gnus-buffer-live-p gnus-summary-buffer))
5458 (error "There is no summary buffer for this article buffer")
5459 (gnus-article-set-globals)
5460 (gnus-configure-windows 'article)
5461 (gnus-summary-goto-subject gnus-current-article)
5462 (gnus-summary-position-point)))
5464 (defun gnus-article-describe-briefly ()
5465 "Describe article mode commands briefly."
5467 (gnus-message 6 (substitute-command-keys "\\<gnus-article-mode-map>\\[gnus-article-goto-next-page]:Next page \\[gnus-article-goto-prev-page]:Prev page \\[gnus-article-show-summary]:Show summary \\[gnus-info-find-node]:Run Info \\[gnus-article-describe-briefly]:This help")))
5469 (defun gnus-article-summary-command ()
5470 "Execute the last keystroke in the summary buffer."
5472 (let ((obuf (current-buffer))
5473 (owin (current-window-configuration))
5475 (switch-to-buffer gnus-article-current-summary 'norecord)
5476 (setq func (lookup-key (current-local-map) (this-command-keys)))
5477 (call-interactively func)
5479 (set-window-configuration owin)
5480 (set-window-point (get-buffer-window (current-buffer)) (point))))
5482 (defun gnus-article-summary-command-nosave ()
5483 "Execute the last keystroke in the summary buffer."
5486 (pop-to-buffer gnus-article-current-summary 'norecord)
5487 (setq func (lookup-key (current-local-map) (this-command-keys)))
5488 (call-interactively func)))
5490 (defun gnus-article-check-buffer ()
5491 "Beep if not in an article buffer."
5492 (unless (eq (get-buffer gnus-article-buffer) (current-buffer))
5493 (error "Command invoked outside of a Gnus article buffer")))
5495 (defun gnus-article-read-summary-keys (&optional arg key not-restore-window)
5496 "Read a summary buffer key sequence and execute it from the article buffer."
5498 (gnus-article-check-buffer)
5500 '("q" "Q" "c" "r" "\C-c\C-f" "m" "a" "f"
5501 "Zc" "ZC" "ZE" "ZJ" "ZQ" "ZZ" "Zn" "ZR" "ZG" "ZN" "ZP"
5502 "=" "^" "\M-^" "|"))
5508 '("n" "Gn" "p" "Gp"))
5511 (set-buffer gnus-article-current-summary)
5512 (let (gnus-pick-mode)
5513 (push (or key last-command-event) unread-command-events)
5514 (setq keys (static-if (featurep 'xemacs)
5515 (events-to-keys (read-key-sequence nil))
5516 (read-key-sequence nil)))))
5519 (if (or (member keys nosaves)
5520 (member keys nosave-but-article)
5521 (member keys nosave-in-article))
5523 (save-window-excursion
5524 (pop-to-buffer gnus-article-current-summary 'norecord)
5525 ;; We disable the pick minor mode commands.
5526 (let (gnus-pick-mode)
5527 (setq func (lookup-key (current-local-map) keys))))
5531 (unless (member keys nosave-in-article)
5532 (set-buffer gnus-article-current-summary))
5533 (call-interactively func)
5534 (setq new-sum-point (point)))
5535 (when (member keys nosave-but-article)
5536 (pop-to-buffer gnus-article-buffer 'norecord)))
5537 ;; These commands should restore window configuration.
5538 (let ((obuf (current-buffer))
5539 (owin (current-window-configuration))
5541 win func in-buffer selected new-sum-start new-sum-hscroll)
5542 (cond (not-restore-window
5543 (pop-to-buffer gnus-article-current-summary 'norecord))
5544 ((setq win (get-buffer-window gnus-article-current-summary))
5545 (select-window win))
5547 (switch-to-buffer gnus-article-current-summary 'norecord)))
5548 (setq in-buffer (current-buffer))
5549 ;; We disable the pick minor mode commands.
5550 (if (and (setq func (let (gnus-pick-mode)
5551 (lookup-key (current-local-map) keys)))
5554 (call-interactively func)
5555 (when (eq win (selected-window))
5556 (setq new-sum-point (point)
5557 new-sum-start (window-start win)
5558 new-sum-hscroll (window-hscroll win))
5559 (when (eq in-buffer (current-buffer))
5560 (setq selected (gnus-summary-select-article))
5562 (unless not-restore-window
5563 (set-window-configuration owin))
5564 (when (eq selected 'old)
5566 (set-window-start (get-buffer-window (current-buffer))
5568 (set-window-point (get-buffer-window (current-buffer))
5570 (when (and (not not-restore-window)
5572 (set-window-point win new-sum-point)
5573 (set-window-start win new-sum-start)
5574 (set-window-hscroll win new-sum-hscroll)))))
5575 (set-window-configuration owin)
5578 (defun gnus-article-describe-key (key)
5579 "Display documentation of the function invoked by KEY. KEY is a string."
5580 (interactive "kDescribe key: ")
5581 (gnus-article-check-buffer)
5582 (if (eq (key-binding key) 'gnus-article-read-summary-keys)
5584 (set-buffer gnus-article-current-summary)
5585 (let (gnus-pick-mode)
5586 (if (featurep 'xemacs)
5588 (push (elt key 0) unread-command-events)
5589 (setq key (events-to-keys
5590 (read-key-sequence "Describe key: "))))
5591 (setq unread-command-events
5593 (lambda (x) (if (>= x 128) (list 'meta (- x 128)) x))
5595 (setq key (read-key-sequence "Describe key: "))))
5597 (describe-key key)))
5599 (defun gnus-article-describe-key-briefly (key &optional insert)
5600 "Display documentation of the function invoked by KEY. KEY is a string."
5601 (interactive "kDescribe key: \nP")
5602 (gnus-article-check-buffer)
5603 (if (eq (key-binding key) 'gnus-article-read-summary-keys)
5605 (set-buffer gnus-article-current-summary)
5606 (let (gnus-pick-mode)
5607 (if (featurep 'xemacs)
5609 (push (elt key 0) unread-command-events)
5610 (setq key (events-to-keys
5611 (read-key-sequence "Describe key: "))))
5612 (setq unread-command-events
5614 (lambda (x) (if (>= x 128) (list 'meta (- x 128)) x))
5616 (setq key (read-key-sequence "Describe key: "))))
5617 (describe-key-briefly key insert))
5618 (describe-key-briefly key insert)))
5620 (defun gnus-article-reply-with-original (&optional wide)
5621 "Start composing a reply mail to the current message.
5622 The text in the region will be yanked. If the region isn't active,
5623 the entire article will be yanked."
5625 (let ((article (cdr gnus-article-current))
5627 (if (not (gnus-mark-active-p))
5628 (with-current-buffer gnus-summary-buffer
5629 (gnus-summary-reply (list (list article)) wide))
5630 (setq contents (buffer-substring (point) (mark t)))
5631 ;; Deactivate active regions.
5632 (when (and (boundp 'transient-mark-mode)
5633 transient-mark-mode)
5634 (setq mark-active nil))
5635 (with-current-buffer gnus-summary-buffer
5637 (list (list article contents)) wide)))))
5639 (defun gnus-article-followup-with-original ()
5640 "Compose a followup to the current article.
5641 The text in the region will be yanked. If the region isn't active,
5642 the entire article will be yanked."
5644 (let ((article (cdr gnus-article-current))
5646 (if (not (gnus-mark-active-p))
5647 (with-current-buffer gnus-summary-buffer
5648 (gnus-summary-followup (list (list article))))
5649 (setq contents (buffer-substring (point) (mark t)))
5650 ;; Deactivate active regions.
5651 (when (and (boundp 'transient-mark-mode)
5652 transient-mark-mode)
5653 (setq mark-active nil))
5654 (with-current-buffer gnus-summary-buffer
5655 (gnus-summary-followup
5656 (list (list article contents)))))))
5658 (defun gnus-article-hide (&optional arg force)
5659 "Hide all the gruft in the current article.
5660 This means that signatures, cited text and (some) headers will be
5662 If given a prefix, show the hidden text instead."
5663 (interactive (append (gnus-article-hidden-arg) (list 'force)))
5664 (gnus-article-hide-headers arg)
5665 (gnus-article-hide-list-identifiers arg)
5666 (gnus-article-hide-citation-maybe arg force)
5667 (gnus-article-hide-signature arg))
5669 (defun gnus-article-maybe-highlight ()
5670 "Do some article highlighting if article highlighting is requested."
5671 (when (gnus-visual-p 'article-highlight 'highlight)
5672 (gnus-article-highlight-some)))
5674 (defun gnus-check-group-server ()
5675 ;; Make sure the connection to the server is alive.
5676 (unless (gnus-server-opened
5677 (gnus-find-method-for-group gnus-newsgroup-name))
5678 (gnus-check-server (gnus-find-method-for-group gnus-newsgroup-name))
5679 (gnus-request-group gnus-newsgroup-name t)))
5682 (autoload 'nneething-get-file-name "nneething"))
5684 (defun gnus-request-article-this-buffer (article group)
5685 "Get an article and insert it into this buffer."
5686 (let (do-update-line sparse-header)
5690 (gnus-kill-all-overlays)
5691 (setq group (or group gnus-newsgroup-name))
5693 ;; Using `gnus-request-article' directly will insert the article into
5694 ;; `nntp-server-buffer' - so we'll save some time by not having to
5695 ;; copy it from the server buffer into the article buffer.
5697 ;; We only request an article by message-id when we do not have the
5698 ;; headers for it, so we'll have to get those.
5699 (when (stringp article)
5700 (gnus-read-header article))
5702 ;; If the article number is negative, that means that this article
5703 ;; doesn't belong in this newsgroup (possibly), so we find its
5704 ;; message-id and request it by id instead of number.
5705 (when (and (numberp article)
5707 (get-buffer gnus-summary-buffer)
5708 (gnus-buffer-exists-p gnus-summary-buffer))
5710 (set-buffer gnus-summary-buffer)
5711 (let ((header (gnus-summary-article-header article)))
5714 ((memq article gnus-newsgroup-sparse)
5715 ;; This is a sparse gap article.
5716 (setq do-update-line article)
5717 (setq article (mail-header-id header))
5718 (setq sparse-header (gnus-read-header article))
5719 (setq gnus-newsgroup-sparse
5720 (delq article gnus-newsgroup-sparse)))
5722 ;; It's a real article.
5723 (setq article (mail-header-id header)))
5725 ;; It is an extracted pseudo-article.
5726 (setq article 'pseudo)
5727 (gnus-request-pseudo-article header))))
5729 (let ((method (gnus-find-method-for-group
5730 gnus-newsgroup-name)))
5731 (when (and (eq (car method) 'nneething)
5733 (let ((dir (nneething-get-file-name
5734 (mail-header-id header))))
5735 (when (and (stringp dir)
5736 (file-directory-p dir))
5737 (setq article 'nneething)
5738 (gnus-group-enter-directory dir))))))))
5741 ;; Refuse to select canceled articles.
5742 ((and (numberp article)
5744 (get-buffer gnus-summary-buffer)
5745 (gnus-buffer-exists-p gnus-summary-buffer)
5746 (eq (cdr (with-current-buffer gnus-summary-buffer
5747 (assq article gnus-newsgroup-reads)))
5748 gnus-canceled-mark))
5750 ;; We first check `gnus-original-article-buffer'.
5751 ((and (get-buffer gnus-original-article-buffer)
5753 (with-current-buffer gnus-original-article-buffer
5754 (and (equal (car gnus-original-article) group)
5755 (eq (cdr gnus-original-article) article))))
5756 (insert-buffer-substring gnus-original-article-buffer)
5758 ;; Check the backlog.
5759 ((and gnus-keep-backlog
5760 (gnus-backlog-request-article group article (current-buffer)))
5762 ;; Check asynchronous pre-fetch.
5763 ((gnus-async-request-fetched-article group article (current-buffer))
5764 (gnus-async-prefetch-next group article gnus-summary-buffer)
5765 (when (and (numberp article) gnus-keep-backlog)
5766 (gnus-backlog-enter-article group article (current-buffer)))
5769 ((and gnus-use-cache
5771 (gnus-cache-request-article article group))
5773 ;; Check the agent cache.
5774 ((gnus-agent-request-article article group)
5776 ;; Get the article and put into the article buffer.
5777 ((or (stringp article)
5779 (let ((gnus-override-method gnus-override-method)
5780 (methods (and (stringp article)
5781 gnus-refer-article-method))
5782 (backend (car (gnus-find-method-for-group
5783 gnus-newsgroup-name)))
5785 (buffer-read-only nil))
5786 (if (or (not (listp methods))
5787 (and (symbolp (car methods))
5788 (assq (car methods) nnoo-definition-alist)))
5789 (setq methods (list methods)))
5790 (when (and (null gnus-override-method)
5792 (setq gnus-override-method (pop methods)))
5794 (when (eq gnus-override-method 'current)
5795 (setq gnus-override-method
5796 (with-current-buffer gnus-summary-buffer
5797 gnus-current-select-method)))
5799 (gnus-kill-all-overlays)
5800 (let ((gnus-newsgroup-name group))
5801 (gnus-check-group-server))
5803 ((gnus-request-article article group (current-buffer))
5804 (when (numberp article)
5805 (gnus-async-prefetch-next group article
5806 gnus-summary-buffer)
5807 (when gnus-keep-backlog
5808 (gnus-backlog-enter-article
5809 group article (current-buffer))))
5810 (setq result 'article))
5812 (setq gnus-override-method (pop methods)))
5813 ((not (string-match "^400 "
5814 (nnheader-get-report backend)))
5815 ;; If we get 400 server disconnect, reconnect and
5816 ;; retry; otherwise, assume the article has expired.
5817 (setq result 'done))))
5818 (and (eq result 'article) 'article)))
5822 ;; Associate this article with the current summary buffer.
5823 (setq gnus-article-current-summary gnus-summary-buffer)
5825 ;; Take the article from the original article buffer
5826 ;; and place it in the buffer it's supposed to be in.
5827 (when (and (get-buffer gnus-article-buffer)
5828 (equal (buffer-name (current-buffer))
5829 (buffer-name (get-buffer gnus-article-buffer))))
5831 (if (get-buffer gnus-original-article-buffer)
5832 (set-buffer gnus-original-article-buffer)
5833 (set-buffer (gnus-get-buffer-create gnus-original-article-buffer))
5834 (buffer-disable-undo)
5835 (setq major-mode 'gnus-original-article-mode)
5836 (setq buffer-read-only t))
5837 (let (buffer-read-only)
5839 (insert-buffer-substring gnus-article-buffer))
5840 (setq gnus-original-article (cons group article)))
5843 (run-hooks 'gnus-article-decode-hook)
5844 ;; Mark article as decoded or not.
5845 (setq gnus-article-decoded-p gnus-article-decode-hook))
5847 ;; Update sparse articles.
5848 (when (and do-update-line
5849 (or (numberp article)
5851 (let ((buf (current-buffer)))
5852 (set-buffer gnus-summary-buffer)
5853 (gnus-summary-update-article do-update-line sparse-header)
5854 (gnus-summary-goto-subject do-update-line nil t)
5855 (set-window-point (gnus-get-buffer-window (current-buffer) t)
5857 (set-buffer buf))))))
5863 (defcustom gnus-article-edit-mode-hook nil
5864 "Hook run in article edit mode buffers."
5865 :group 'gnus-article-various
5868 (defcustom gnus-article-edit-article-setup-function
5869 'gnus-article-mime-edit-article-setup
5870 "Function called to setup an editing article buffer."
5871 :group 'gnus-article-various
5874 (defvar gnus-article-edit-done-function nil)
5876 (defvar gnus-article-edit-mode-map nil)
5878 ;; Should we be using derived.el for this?
5879 (unless gnus-article-edit-mode-map
5880 (setq gnus-article-edit-mode-map (make-keymap))
5881 (set-keymap-parent gnus-article-edit-mode-map text-mode-map)
5883 (gnus-define-keys gnus-article-edit-mode-map
5884 "\C-c?" describe-mode
5885 "\C-c\C-c" gnus-article-edit-done
5886 "\C-c\C-k" gnus-article-edit-exit
5887 "\C-c\C-f\C-t" message-goto-to
5888 "\C-c\C-f\C-o" message-goto-from
5889 "\C-c\C-f\C-b" message-goto-bcc
5890 ;;"\C-c\C-f\C-w" message-goto-fcc
5891 "\C-c\C-f\C-c" message-goto-cc
5892 "\C-c\C-f\C-s" message-goto-subject
5893 "\C-c\C-f\C-r" message-goto-reply-to
5894 "\C-c\C-f\C-n" message-goto-newsgroups
5895 "\C-c\C-f\C-d" message-goto-distribution
5896 "\C-c\C-f\C-f" message-goto-followup-to
5897 "\C-c\C-f\C-m" message-goto-mail-followup-to
5898 "\C-c\C-f\C-k" message-goto-keywords
5899 "\C-c\C-f\C-u" message-goto-summary
5900 "\C-c\C-f\C-i" message-insert-or-toggle-importance
5901 "\C-c\C-f\C-a" message-generate-unsubscribed-mail-followup-to
5902 "\C-c\C-b" message-goto-body
5903 "\C-c\C-i" message-goto-signature
5905 "\C-c\C-t" message-insert-to
5906 "\C-c\C-n" message-insert-newsgroups
5907 "\C-c\C-o" message-sort-headers
5908 "\C-c\C-e" message-elide-region
5909 "\C-c\C-v" message-delete-not-region
5910 "\C-c\C-z" message-kill-to-signature
5911 "\M-\r" message-newline-and-reformat
5912 "\C-c\C-a" mml-attach-file
5913 "\C-a" message-beginning-of-line
5915 "\M-;" comment-region)
5917 (gnus-define-keys (gnus-article-edit-wash-map
5918 "\C-c\C-w" gnus-article-edit-mode-map)
5919 "f" gnus-article-edit-full-stops))
5922 gnus-article-edit-mode-field-menu gnus-article-edit-mode-map ""
5924 ["Fetch To" message-insert-to t]
5925 ["Fetch Newsgroups" message-insert-newsgroups t]
5927 ["To" message-goto-to t]
5928 ["From" message-goto-from t]
5929 ["Subject" message-goto-subject t]
5930 ["Cc" message-goto-cc t]
5931 ["Reply-To" message-goto-reply-to t]
5932 ["Summary" message-goto-summary t]
5933 ["Keywords" message-goto-keywords t]
5934 ["Newsgroups" message-goto-newsgroups t]
5935 ["Followup-To" message-goto-followup-to t]
5936 ["Mail-Followup-To" message-goto-mail-followup-to t]
5937 ["Distribution" message-goto-distribution t]
5938 ["Body" message-goto-body t]
5939 ["Signature" message-goto-signature t]))
5941 (define-derived-mode gnus-article-edit-mode text-mode "Article Edit"
5942 "Major mode for editing articles.
5943 This is an extended text-mode.
5945 \\{gnus-article-edit-mode-map}"
5946 (make-local-variable 'gnus-article-edit-done-function)
5947 (make-local-variable 'gnus-prev-winconf)
5948 (set (make-local-variable 'font-lock-defaults)
5949 '(message-font-lock-keywords t))
5950 (set (make-local-variable 'mail-header-separator) "")
5951 (set (make-local-variable 'gnus-article-edit-mode) t)
5952 (easy-menu-add message-mode-field-menu message-mode-map)
5953 (setq buffer-read-only nil)
5954 (buffer-enable-undo)
5957 (defun gnus-article-edit (&optional force)
5958 "Edit the current article.
5959 This will have permanent effect only in mail groups.
5960 If FORCE is non-nil, allow editing of articles even in read-only
5963 (when (and (not force)
5964 (gnus-group-read-only-p))
5965 (error "The current newsgroup does not support article editing"))
5966 (gnus-article-date-original)
5967 (gnus-article-edit-article
5969 `(lambda (no-highlight)
5971 (gnus-summary-edit-article-done
5972 ,(or (mail-header-references gnus-current-headers) "")
5973 ,(gnus-group-read-only-p) ,gnus-summary-buffer no-highlight))))
5975 (defun gnus-article-edit-article (start-func exit-func)
5976 "Start editing the contents of the current article buffer."
5977 (let ((winconf (current-window-configuration)))
5978 (set-buffer gnus-article-buffer)
5979 (gnus-article-edit-mode)
5980 (funcall start-func)
5981 (set-buffer-modified-p nil)
5982 (gnus-configure-windows 'edit-article)
5983 (setq gnus-article-edit-done-function exit-func)
5984 (setq gnus-prev-winconf winconf)
5985 (when gnus-article-edit-article-setup-function
5986 (funcall gnus-article-edit-article-setup-function))
5987 (gnus-message 6 "C-c C-c to end edits; C-c C-k to exit")))
5989 (defun gnus-article-edit-done (&optional arg)
5990 "Update the article edits and exit."
5992 (let ((func gnus-article-edit-done-function)
5993 (buf (current-buffer))
5994 (start (window-start))
5996 (winconf gnus-prev-winconf))
5997 (remove-hook 'gnus-article-mode-hook
5998 'gnus-article-mime-edit-article-unwind)
5999 (widen) ;; Widen it in case that users narrowed the buffer.
6002 ;; The cache and backlog have to be flushed somewhat.
6003 (when gnus-keep-backlog
6004 (gnus-backlog-remove-article
6005 (car gnus-article-current) (cdr gnus-article-current)))
6006 ;; Flush original article as well.
6008 (when (get-buffer gnus-original-article-buffer)
6009 (set-buffer gnus-original-article-buffer)
6010 (setq gnus-original-article nil)))
6011 (when gnus-use-cache
6012 (gnus-cache-update-article
6013 (car gnus-article-current) (cdr gnus-article-current)))
6014 ;; We remove all text props from the article buffer.
6015 (kill-all-local-variables)
6016 (set-text-properties (point-min) (point-max) nil)
6018 (set-window-configuration winconf)
6020 (set-window-start (get-buffer-window buf) start)
6021 (set-window-point (get-buffer-window buf) (point)))
6022 (gnus-summary-show-article))
6024 (defun gnus-article-edit-exit ()
6025 "Exit the article editing without updating."
6027 (when (or (not (buffer-modified-p))
6028 (yes-or-no-p "Article modified; kill anyway? "))
6029 (let ((curbuf (current-buffer))
6031 (window-start (window-start)))
6033 (if (gnus-buffer-live-p gnus-original-article-buffer)
6034 (insert-buffer-substring gnus-original-article-buffer))
6035 (let ((winconf gnus-prev-winconf))
6036 (kill-all-local-variables)
6038 (set-window-configuration winconf)
6039 ;; Tippy-toe some to make sure that point remains where it was.
6040 (save-current-buffer
6042 (set-window-start (get-buffer-window (current-buffer)) window-start)
6044 (gnus-summary-show-article)))
6046 (defun gnus-article-edit-full-stops ()
6047 "Interactively repair spacing at end of sentences."
6050 (goto-char (point-min))
6051 (search-forward-regexp "^$" nil t)
6052 (let ((case-fold-search nil))
6053 (query-replace-regexp "\\([.!?][])}]* \\)\\([[({A-Z]\\)" "\\1 \\2"))))
6056 ;;; Article editing with MIME-Edit
6059 (defcustom gnus-article-mime-edit-article-setup-hook nil
6060 "Hook run after setting up a MIME editing article buffer."
6061 :group 'gnus-article-various
6064 (defun gnus-article-mime-edit-article-unwind ()
6065 "Unwind `gnus-article-buffer' if article editing was given up."
6066 (remove-hook 'gnus-article-mode-hook 'gnus-article-mime-edit-article-unwind)
6067 (when (featurep 'font-lock)
6068 (setq font-lock-defaults nil)
6069 (font-lock-mode -1))
6070 (when mime-edit-mode-flag
6071 (mime-edit-exit 'nomime 'no-error)
6074 (defun gnus-article-mime-edit-article-setup ()
6075 "Convert current buffer to MIME-Edit buffer and turn on MIME-Edit mode
6076 after replacing with the original article."
6077 (setq gnus-show-mime t)
6078 (setq gnus-article-edit-done-function
6079 `(lambda (&rest args)
6080 (when mime-edit-mode-flag
6081 (let (mime-edit-insert-user-agent-field)
6084 (goto-char (point-min))
6085 (let (case-fold-search)
6086 (when (re-search-forward
6087 (format "^%s$" (regexp-quote mail-header-separator))
6089 (replace-match "")))
6090 (apply ,gnus-article-edit-done-function args)
6093 (buffer-substring-no-properties (point-min) (point-max))
6094 (set-buffer (get-buffer-create gnus-original-article-buffer))
6096 (setq gnus-current-headers (gnus-article-make-full-mail-header))
6097 (set-buffer gnus-article-buffer)
6098 (gnus-article-prepare-display)))
6099 (substitute-key-definition 'gnus-article-edit-done
6100 'gnus-article-mime-edit-done
6101 gnus-article-edit-mode-map)
6102 (substitute-key-definition 'gnus-article-edit-exit
6103 'gnus-article-mime-edit-exit
6104 gnus-article-edit-mode-map)
6106 (insert-buffer-substring gnus-original-article-buffer)
6107 (unless (member (with-current-buffer gnus-summary-buffer
6108 gnus-newsgroup-name)
6109 '("nndraft:delayed" "nndraft:drafts"))
6110 (let ((ofn (symbol-function 'mime-edit-decode-single-part-in-buffer)))
6111 (fset 'mime-edit-decode-single-part-in-buffer
6112 (lambda (&rest args)
6113 (if (let ((content-type (car args)))
6114 (and (eq 'message (mime-content-type-primary-type
6116 (eq 'rfc822 (mime-content-type-subtype
6118 (setcar (cdr args) 'not-decode-text))
6122 (fset 'mime-edit-decode-single-part-in-buffer ofn))))
6123 (when (featurep 'font-lock)
6124 (set (make-local-variable 'font-lock-defaults)
6125 '(message-font-lock-keywords t))
6126 (font-lock-set-defaults)
6127 (turn-on-font-lock))
6128 (set-buffer-modified-p nil)
6129 (delete-other-windows)
6130 (add-hook 'gnus-article-mode-hook 'gnus-article-mime-edit-article-unwind)
6131 (gnus-run-hooks 'gnus-article-mime-edit-article-setup-hook))
6133 (defun gnus-article-mime-edit-done (&optional arg)
6134 "Update the article MIME edits and exit."
6136 (when (featurep 'font-lock)
6137 (setq font-lock-defaults nil)
6138 (font-lock-mode -1))
6139 (let ((inhibit-read-only t))
6140 (gnus-article-edit-done arg)))
6142 (defun gnus-article-mime-edit-exit ()
6143 "Exit the article MIME editing without updating."
6145 (when (or (not (buffer-modified-p))
6146 (yes-or-no-p "Article modified; kill anyway? "))
6147 (when (featurep 'font-lock)
6148 (setq font-lock-defaults nil)
6149 (font-lock-mode -1))
6150 (when mime-edit-mode-flag
6151 (let (mime-edit-insert-user-agent-field)
6154 (goto-char (point-min))
6155 (let (case-fold-search)
6156 (when (re-search-forward
6157 (format "^%s$" (regexp-quote mail-header-separator)) nil t)
6158 (replace-match "")))
6159 (let ((winconf gnus-prev-winconf))
6161 (buffer-substring-no-properties (point-min) (point-max))
6162 (set-buffer (get-buffer-create gnus-original-article-buffer))
6164 (setq gnus-current-headers (gnus-article-make-full-mail-header))
6165 (set-buffer gnus-article-buffer)
6166 (gnus-article-prepare-display)
6167 (set-window-configuration winconf))))
6170 ;;; Article highlights
6173 ;; Written by Per Abrahamsen <abraham@iesd.auc.dk>.
6175 ;;; Internal Variables:
6177 (defcustom gnus-button-url-regexp
6178 (if (string-match "[[:digit:]]" "1") ;; support POSIX?
6179 "\\b\\(\\(www\\.\\|\\(s?https?\\|ftp\\|file\\|gopher\\|nntp\\|news\\|telnet\\|wais\\|mailto\\|info\\):\\)\\(//[-a-z0-9_.]+:[0-9]*\\)?[-a-z0-9_=!?#$@~%&*+\\/:;.,[:word:]]+[-a-z0-9_=#$@~%&*+\\/[:word:]]\\)"
6180 "\\b\\(\\(www\\.\\|\\(s?https?\\|ftp\\|file\\|gopher\\|nntp\\|news\\|telnet\\|wais\\|mailto\\|info\\):\\)\\(//[-a-z0-9_.]+:[0-9]*\\)?\\([-a-z0-9_=!?#$@~%&*+\\/:;.,]\\|\\w\\)+\\([-a-z0-9_=#$@~%&*+\\/]\\|\\w\\)\\)")
6181 "Regular expression that matches URLs."
6182 :group 'gnus-article-buttons
6185 (defcustom gnus-button-valid-fqdn-regexp
6186 message-valid-fqdn-regexp
6187 "Regular expression that matches a valid FQDN."
6188 :group 'gnus-article-buttons
6191 (defcustom gnus-button-man-handler 'manual-entry
6192 "Function to use for displaying man pages.
6193 The function must take at least one argument with a string naming the
6195 :type '(choice (function-item :tag "Man" manual-entry)
6196 (function-item :tag "Woman" woman)
6197 (function :tag "Other"))
6198 :group 'gnus-article-buttons)
6200 (defcustom gnus-ctan-url "http://tug.ctan.org/tex-archive/"
6201 "Top directory of a CTAN \(Comprehensive TeX Archive Network\) archive.
6202 If the default site is too slow, try to find a CTAN mirror, see
6203 <URL:http://tug.ctan.org/tex-archive/CTAN.sites?action=/index.html>. See also
6204 the variable `gnus-button-handle-ctan'."
6205 :group 'gnus-article-buttons
6206 :link '(custom-manual "(gnus)Group Parameters")
6207 :type '(choice (const "http://www.tex.ac.uk/tex-archive/")
6208 (const "http://tug.ctan.org/tex-archive/")
6209 (const "http://www.dante.de/CTAN/")
6210 (string :tag "Other")))
6212 (defcustom gnus-button-ctan-handler 'browse-url
6213 "Function to use for displaying CTAN links.
6214 The function must take one argument, the string naming the URL."
6215 :type '(choice (function-item :tag "Browse Url" browse-url)
6216 (function :tag "Other"))
6217 :group 'gnus-article-buttons)
6219 (defcustom gnus-button-handle-ctan-bogus-regexp "^/?tex-archive/\\|^/"
6220 "Bogus strings removed from CTAN URLs."
6221 :group 'gnus-article-buttons
6222 :type '(choice (const "^/?tex-archive/\\|/")
6223 (regexp :tag "Other")))
6225 (defcustom gnus-button-ctan-directory-regexp
6228 "biblio\\|digests\\|dviware\\|fonts\\|graphics\\|help\\|"
6229 "indexing\\|info\\|language\\|macros\\|support\\|systems\\|"
6230 "tds\\|tools\\|usergrps\\|web\\|nonfree\\|obsolete"
6232 "Regular expression for ctan directories.
6233 It should match all directories in the top level of `gnus-ctan-url'."
6234 :group 'gnus-article-buttons
6237 (defcustom gnus-button-mid-or-mail-regexp
6238 (concat "\\b\\(<?[a-z0-9$%(*-=?[_][^<>\")!;:,{}\n\t ]*@"
6239 ;; Felix Wiemann in <87oeuomcz9.fsf@news2.ososo.de>
6240 gnus-button-valid-fqdn-regexp
6242 "Regular expression that matches a message ID or a mail address."
6243 :group 'gnus-article-buttons
6246 (defcustom gnus-button-prefer-mid-or-mail 'gnus-button-mid-or-mail-heuristic
6247 "What to do when the button on a string as \"foo123@bar.invalid\" is pushed.
6248 Strings like this can be either a message ID or a mail address. If it is one
6249 of the symbols `mid' or `mail', Gnus will always assume that the string is a
6250 message ID or a mail address, respectively. If this variable is set to the
6251 symbol `ask', always query the user what do do. If it is a function, this
6252 function will be called with the string as it's only argument. The function
6253 must return `mid', `mail', `invalid' or `ask'."
6254 :group 'gnus-article-buttons
6255 :type '(choice (function-item :tag "Heuristic function"
6256 gnus-button-mid-or-mail-heuristic)
6261 (defcustom gnus-button-mid-or-mail-heuristic-alist
6262 '((-10.0 . ".+\\$.+@")
6265 (-5.0 . "\\+[^+]*\\+.*@") ;; # two plus signs
6266 (-5.0 . "@[Nn][Ee][Ww][Ss]") ;; /\@news/i
6267 (-5.0 . "@.*[Dd][Ii][Aa][Ll][Uu][Pp]") ;; /\@.*dialup/i;
6268 (-1.0 . "^[^a-z]+@")
6270 (-5.0 . "\\.[0-9][0-9]+.*@") ;; "\.[0-9]{2,}.*\@"
6271 (-5.0 . "[a-z].*[A-Z].*[a-z].*[A-Z].*@") ;; "([a-z].*[A-Z].*){2,}\@"
6272 (-3.0 . "[A-Z][A-Z][a-z][a-z].*@")
6273 (-5.0 . "\\...?.?@") ;; (-5.0 . "\..{1,3}\@")
6276 (-1.0 . "^[0-9][0-9]")
6278 ;; -3.0 /^[0-9][0-9a-fA-F]{2,2}/;
6279 (-3.0 . "^[0-9][0-9a-fA-F][0-9a-fA-F][^0-9a-fA-F]")
6280 ;; -5.0 /^[0-9][0-9a-fA-F]{3,3}/;
6281 (-5.0 . "^[0-9][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][^0-9a-fA-F]")
6283 (-3.0 . "[0-9][0-9][0-9][0-9][0-9][^0-9].*@") ;; "[0-9]{5,}.*\@"
6284 (-3.0 . "[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][^0-9].*@")
6287 . "[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9].*@")
6289 ;; compensation for TDMA dated mail addresses:
6290 (25.0 . "-dated-[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]+.*@")
6292 (-20.0 . "\\.fsf@") ;; Gnus
6295 (-20.0 . "_-_") ;; Subject change in thread
6297 (-20.0 . "\\.ln@") ;; leafnode
6298 (-30.0 . "@ID-[0-9]+\\.[a-zA-Z]+\\.dfncis\\.de")
6299 (-30.0 . "@4[Aa][Xx]\\.com") ;; Forte Agent
6301 ;; (5.0 . "") ;; $local_part_len <= 7
6302 (10.0 . "^[^0-9]+@")
6303 (3.0 . "^[^0-9]+[0-9][0-9]?[0-9]?@")
6304 ;; ^[^0-9]+[0-9]{1,3}\@ digits only at end of local part
6307 (2.0 . "[a-z][a-z][._-][A-Z][a-z].*@")
6309 (0.5 . "^[A-Z][a-z]")
6310 (0.5 . "^[A-Z][a-z][a-z]")
6311 (1.5 . "^[A-Z][a-z][A-Z][a-z][^a-z]") ;; ^[A-Z][a-z]{3,3}
6312 (2.0 . "^[A-Z][a-z][A-Z][a-z][a-z][^a-z]")) ;; ^[A-Z][a-z]{4,4}
6313 "An alist of \(RATE . REGEXP\) pairs for `gnus-button-mid-or-mail-heuristic'.
6315 A negative RATE indicates a message IDs, whereas a positive indicates a mail
6316 address. The REGEXP is processed with `case-fold-search' set to nil."
6317 :group 'gnus-article-buttons
6318 :type '(repeat (cons (number :tag "Rate")
6319 (regexp :tag "Regexp"))))
6321 (defun gnus-button-mid-or-mail-heuristic (mid-or-mail)
6322 "Guess whether MID-OR-MAIL is a message ID or a mail address.
6323 Returns `mid' if MID-OR-MAIL is a message IDs, `mail' if it's a mail
6324 address, `ask' if unsure and `invalid' if the string is invalid."
6325 (let ((case-fold-search nil)
6326 (list gnus-button-mid-or-mail-heuristic-alist)
6327 (result 0) rate regexp lpartlen elem)
6329 (length (gnus-replace-in-string mid-or-mail "^\\(.*\\)@.*$" "\\1")))
6330 (gnus-message 8 "`%s', length of local part=`%s'." mid-or-mail lpartlen)
6331 ;; Certain special cases...
6334 "^0[0-9]+-[0-9][0-9][0-9][0-9]@t-online\\.de$\\|"
6335 "^[0-9]+\\.[0-9]+@compuserve\\|"
6336 "@public\\.gmane\\.org")
6338 (gnus-message 8 "`%s' is a known mail address." mid-or-mail)
6339 (setq result 'mail))
6340 (when (string-match "@.*@\\| " mid-or-mail)
6341 (gnus-message 8 "`%s' is invalid." mid-or-mail)
6342 (setq result 'invalid))
6343 ;; Nothing more to do, if result is not a number here...
6344 (when (numberp result)
6346 (setq elem (car list)
6350 (when (string-match regexp mid-or-mail)
6351 (setq result (+ result rate))
6353 9 "`%s' matched `%s', rate `%s', result `%s'."
6354 mid-or-mail regexp rate result)))
6355 (when (<= lpartlen 7)
6356 (setq result (+ result 5.0))
6357 (gnus-message 9 "`%s' matched (<= lpartlen 7), result `%s'."
6358 mid-or-mail result))
6359 (when (>= lpartlen 12)
6360 (gnus-message 9 "`%s' matched (>= lpartlen 12)" mid-or-mail)
6362 ((string-match "[0-9][^0-9]+[0-9].*@" mid-or-mail)
6363 ;; Long local part should contain realname if e-mail address,
6364 ;; too many digits: message-id.
6365 ;; $score -= 5.0 + 0.1 * $local_part_len;
6366 (setq rate (* -1.0 (+ 5.0 (* 0.1 lpartlen))))
6367 (setq result (+ result rate))
6369 9 "Many digits in `%s', rate `%s', result `%s'."
6370 mid-or-mail rate result))
6371 ((string-match "[^aeiouy][^aeiouy][^aeiouy][^aeiouy]+.*\@"
6373 ;; Too few vowels [^aeiouy]{4,}.*\@
6374 (setq result (+ result -5.0))
6376 9 "Few vowels in `%s', rate `%s', result `%s'."
6377 mid-or-mail -5.0 result))
6379 (setq result (+ result 5.0))
6381 9 "`%s', rate `%s', result `%s'." mid-or-mail 5.0 result)))))
6382 (gnus-message 8 "`%s': Final rate is `%s'." mid-or-mail result)
6383 ;; Maybe we should make this a customizable alist: (condition . 'result)
6385 ((symbolp result) result)
6386 ;; Now convert number into proper results:
6387 ((< result -10.0) 'mid)
6388 ((> result 10.0) 'mail)
6391 (defun gnus-button-handle-mid-or-mail (mid-or-mail)
6392 (let* ((pref gnus-button-prefer-mid-or-mail) guessed
6393 (url-mid (concat "news" ":" mid-or-mail))
6394 (url-mailto (concat "mailto" ":" mid-or-mail)))
6395 (gnus-message 9 "mid-or-mail=%s" mid-or-mail)
6396 (when (fboundp pref)
6398 ;; get rid of surrounding angles...
6400 (gnus-replace-in-string mid-or-mail "^<\\|>$" "")))
6401 (if (or (eq 'mid guessed) (eq 'mail guessed))
6405 (save-window-excursion
6406 (if (y-or-n-p (concat "Is <" mid-or-mail "> a mail address? "))
6409 (cond ((eq pref 'mid)
6410 (gnus-message 8 "calling `gnus-button-handle-news' %s" url-mid)
6411 (gnus-button-handle-news url-mid))
6413 (gnus-message 8 "calling `gnus-url-mailto' %s" url-mailto)
6414 (gnus-url-mailto url-mailto))
6415 (t (gnus-message 3 "Invalid string.")))))
6417 (defun gnus-button-handle-custom (url)
6418 "Follow a Custom URL."
6419 (customize-apropos (gnus-url-unhex-string url)))
6421 (defvar gnus-button-handle-describe-prefix "^\\(C-h\\|<?[Ff]1>?\\)")
6423 ;; FIXME: Maybe we should merge some of the functions that do quite similar
6426 (defun gnus-button-handle-describe-function (url)
6427 "Call `describe-function' when pushing the corresponding URL button."
6430 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))))
6432 (defun gnus-button-handle-describe-variable (url)
6433 "Call `describe-variable' when pushing the corresponding URL button."
6436 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))))
6438 (defun gnus-button-handle-symbol (url)
6439 "Display help on variable or function.
6440 Calls `describe-variable' or `describe-function'."
6441 (let ((sym (intern url)))
6443 ((fboundp sym) (describe-function sym))
6444 ((boundp sym) (describe-variable sym))
6445 (t (gnus-message 3 "`%s' is not a known function of variable." url)))))
6447 (defun gnus-button-handle-describe-key (url)
6448 "Call `describe-key' when pushing the corresponding URL button."
6450 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))
6451 (keys (ignore-errors (eval `(kbd ,key-string)))))
6454 (gnus-message 3 "Invalid key sequence in button: %s" key-string))))
6456 (defun gnus-button-handle-apropos (url)
6457 "Call `apropos' when pushing the corresponding URL button."
6458 (apropos (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6460 (defun gnus-button-handle-apropos-command (url)
6461 "Call `apropos' when pushing the corresponding URL button."
6463 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6465 (defun gnus-button-handle-apropos-variable (url)
6466 "Call `apropos' when pushing the corresponding URL button."
6468 (if (fboundp 'apropos-variable) 'apropos-variable 'apropos)
6469 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6471 (defun gnus-button-handle-apropos-documentation (url)
6472 "Call `apropos' when pushing the corresponding URL button."
6474 (if (fboundp 'apropos-documentation) 'apropos-documentation 'apropos)
6475 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6477 (defun gnus-button-handle-library (url)
6478 "Call `locate-library' when pushing the corresponding URL button."
6479 (gnus-message 9 "url=`%s'" url)
6480 (let* ((lib (locate-library url))
6481 (file (gnus-replace-in-string (or lib "") "\.elc" ".el")))
6483 (gnus-message 1 "Cannot locale library `%s'." url)
6484 (find-file-read-only file))))
6486 (defun gnus-button-handle-ctan (url)
6487 "Call `browse-url' when pushing a CTAN URL button."
6489 gnus-button-ctan-handler
6492 (gnus-replace-in-string url gnus-button-handle-ctan-bogus-regexp ""))))
6494 (defcustom gnus-button-tex-level 5
6495 "*Integer that says how many TeX-related buttons Gnus will show.
6496 The higher the number, the more buttons will appear and the more false
6497 positives are possible. Note that you can set this variable local to
6498 specific groups. Setting it higher in TeX groups is probably a good idea.
6499 See Info node `(gnus)Group Parameters' and the variable `gnus-parameters' on
6500 how to set variables in specific groups."
6501 :group 'gnus-article-buttons
6502 :link '(custom-manual "(gnus)Group Parameters")
6505 (defcustom gnus-button-man-level 5
6506 "*Integer that says how many man-related buttons Gnus will show.
6507 The higher the number, the more buttons will appear and the more false
6508 positives are possible. Note that you can set this variable local to
6509 specific groups. Setting it higher in Unix groups is probably a good idea.
6510 See Info node `(gnus)Group Parameters' and the variable `gnus-parameters' on
6511 how to set variables in specific groups."
6512 :group 'gnus-article-buttons
6513 :link '(custom-manual "(gnus)Group Parameters")
6516 (defcustom gnus-button-emacs-level 5
6517 "*Integer that says how many emacs-related buttons Gnus will show.
6518 The higher the number, the more buttons will appear and the more false
6519 positives are possible. Note that you can set this variable local to
6520 specific groups. Setting it higher in Emacs or Gnus related groups is
6521 probably a good idea. See Info node `(gnus)Group Parameters' and the variable
6522 `gnus-parameters' on how to set variables in specific groups."
6523 :group 'gnus-article-buttons
6524 :link '(custom-manual "(gnus)Group Parameters")
6527 (defcustom gnus-button-message-level 5
6528 "*Integer that says how many buttons for news or mail messages will appear.
6529 The higher the number, the more buttons will appear and the more false
6530 positives are possible."
6531 ;; mail addresses, MIDs, URLs for news, ...
6532 :group 'gnus-article-buttons
6535 (defcustom gnus-button-browse-level 5
6536 "*Integer that says how many buttons for browsing will appear.
6537 The higher the number, the more buttons will appear and the more false
6538 positives are possible."
6539 ;; stuff handled by `browse-url' or `gnus-button-embedded-url'
6540 :group 'gnus-article-buttons
6543 (defcustom gnus-button-alist
6544 '(("<\\(url:[>\n\t ]*?\\)?\\(nntp\\|news\\):[>\n\t ]*\\([^>\n\t ]*@[^>\n\t ]*\\)>"
6545 0 (>= gnus-button-message-level 0) gnus-button-handle-news 3)
6546 ("\\b\\(nntp\\|news\\):\\([^>\n\t ]*@[^>)!;:,\n\t ]*\\)" 0 t
6547 gnus-button-handle-news 2)
6548 ("\\(\\b<\\(url:[>\n\t ]*\\)?\\(nntp\\|news\\):[>\n\t ]*\\(//\\)?\\([^>\n\t ]*\\)>\\)"
6549 1 (>= gnus-button-message-level 0) gnus-button-fetch-group 5)
6550 ("\\b\\(nntp\\|news\\):\\(//\\)?\\([^'\">\n\t ]+\\)"
6551 0 (>= gnus-button-message-level 0) gnus-button-fetch-group 3)
6552 ;; RFC 2392 (Don't allow `/' in domain part --> CID)
6553 ("\\bmid:\\(//\\)?\\([^'\">\n\t ]+@[^'\">\n\t /]+\\)"
6554 0 (>= gnus-button-message-level 0) gnus-button-message-id 2)
6555 ("\\bin\\( +article\\| +message\\)? +\\(<\\([^\n @<>]+@[^\n @<>]+\\)>\\)"
6556 2 (>= gnus-button-message-level 0) gnus-button-message-id 3)
6557 ("\\(<URL: *\\)mailto: *\\([^> \n\t]+\\)>"
6558 0 (>= gnus-button-message-level 0) gnus-url-mailto 2)
6559 ;; RFC 2368 (The mailto URL scheme)
6560 ("\\bmailto:\\([-a-z.@_+0-9%=?&/]+\\)"
6561 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
6562 ("\\bmailto:\\([^ \n\t]+\\)"
6563 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
6565 ((concat "\\bCTAN:[ \t\n]?[^>)!;:,'\n\t ]*\\("
6566 gnus-button-ctan-directory-regexp
6567 "[^][>)!;:,'\n\t ]+\\)")
6568 0 (>= gnus-button-tex-level 1) gnus-button-handle-ctan 1)
6569 ((concat "\\btex-archive/\\("
6570 gnus-button-ctan-directory-regexp
6571 "/[-_.a-z0-9/]+[-_./a-z0-9]+[/a-z0-9]\\)")
6572 1 (>= gnus-button-tex-level 6) gnus-button-handle-ctan 1)
6575 gnus-button-ctan-directory-regexp
6576 "/[-_.a-z0-9]+/[-_./a-z0-9]+[/a-z0-9]\\)")
6577 1 (>= gnus-button-tex-level 8) gnus-button-handle-ctan 1)
6578 ;; This is info (home-grown style) <info://foo/bar+baz>
6579 ("\\binfo://\\([^'\">\n\t ]+\\)"
6580 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url 1)
6581 ;; Info GNOME style <info:foo#bar_baz>
6582 ("\\binfo:\\([^('\n\t\r \"><][^'\n\t\r \"><]*\\)"
6583 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url-gnome 1)
6584 ;; Info KDE style <info:(foo)bar baz>
6585 ("<\\(info:\\(([^)]+)[^>\n\r]*\\)\\)>"
6586 1 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url-kde 2)
6587 ("\\((Info-goto-node\\|(info\\)[ \t\n]*\\(\"[^\"]*\"\\))" 0
6588 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url 2)
6589 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+i[ \t\n]+d?[ \t\n]?m[ \t\n]+\\([^ ]+ ?[^ ]+\\)[ \t\n]+RET"
6590 ;; Info links like `C-h i d m CC Mode RET'
6591 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-keystrokes 2)
6593 ("\\bcustom:\\(//\\)?\\([^'\">\n\t ]+\\)"
6594 0 (>= gnus-button-emacs-level 5) gnus-button-handle-custom 2)
6595 ("M-x[ \t\n]customize-[^ ]+[ \t\n]RET[ \t\n]\\([^ ]+\\)[ \t\n]RET" 0
6596 (>= gnus-button-emacs-level 1) gnus-button-handle-custom 1)
6597 ;; Emacs help commands
6598 ("M-x[ \t\n]+apropos[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6599 ;; regexp doesn't match arguments containing ` '.
6600 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos 1)
6601 ("M-x[ \t\n]+apropos-command[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6602 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-command 1)
6603 ("M-x[ \t\n]+apropos-variable[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6604 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-variable 1)
6605 ("M-x[ \t\n]+apropos-documentation[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6606 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-documentation 1)
6607 ;; The following entries may lead to many false positives so don't enable
6608 ;; them by default (use a high button level):
6609 ("/\\([a-z][-a-z0-9]+\\.el\\)\\>"
6610 1 (>= gnus-button-emacs-level 8) gnus-button-handle-library 1)
6611 ("`\\([a-z][-a-z0-9]+\\.el\\)'"
6612 1 (>= gnus-button-emacs-level 8) gnus-button-handle-library 1)
6613 ("`\\([a-z][a-z0-9]+-[a-z]+-[-a-z]+\\|\\(gnus\\|message\\)-[-a-z]+\\)'"
6614 0 (>= gnus-button-emacs-level 8) gnus-button-handle-symbol 1)
6615 ("`\\([a-z][a-z0-9]+-[a-z]+\\)'"
6616 0 (>= gnus-button-emacs-level 9) gnus-button-handle-symbol 1)
6617 ("(setq[ \t\n]+\\([a-z][a-z0-9]+-[-a-z0-9]+\\)[ \t\n]+.+)"
6618 1 (>= gnus-button-emacs-level 7) gnus-button-handle-describe-variable 1)
6619 ("\\bM-x[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6620 1 (>= gnus-button-emacs-level 7) gnus-button-handle-describe-function 1)
6621 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+f[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6622 0 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-function 2)
6623 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+v[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6624 0 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-variable 2)
6625 ("`\\(\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+k[ \t\n]+\\([^']+\\)\\)'"
6626 ;; Unlike the other regexps we really have to require quoting
6627 ;; here to determine where it ends.
6628 1 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-key 3)
6629 ;; This is how URLs _should_ be embedded in text (RFC 1738, RFC 2396)...
6630 ("<URL: *\\([^<>]*\\)>"
6631 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
6632 ;; RFC 2396 (2.4.3., delims) ...
6633 ("\"URL: *\\([^\"]*\\)\""
6634 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
6635 ;; RFC 2396 (2.4.3., delims) ...
6636 ("\"URL: *\\([^\"]*\\)\""
6637 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
6639 (gnus-button-url-regexp
6640 0 (>= gnus-button-browse-level 0) browse-url 0)
6642 ("\\b\\([a-z][a-z]+\\)([1-9])\\W"
6643 0 (and (>= gnus-button-man-level 1) (< gnus-button-man-level 3))
6644 gnus-button-handle-man 1)
6645 ;; more man pages: resolv.conf(5), iso_8859-1(7), xterm(1x)
6646 ("\\b\\([a-z][-_.a-z0-9]+\\)([1-9])\\W"
6647 0 (and (>= gnus-button-man-level 3) (< gnus-button-man-level 5))
6648 gnus-button-handle-man 1)
6649 ;; even more: Apache::PerlRun(3pm), PDL::IO::FastRaw(3pm),
6650 ;; SoWWWAnchor(3iv), XSelectInput(3X11), X(1), X(7)
6651 ("\\b\\([a-z][-+_.:a-z0-9]+\\)([1-9][X1a-z]*)\\W\\|\\b\\(X\\)([1-9])\\W"
6652 0 (>= gnus-button-man-level 5) gnus-button-handle-man 1)
6653 ;; MID or mail: To avoid too many false positives we don't try to catch
6654 ;; all kind of allowed MIDs or mail addresses. Domain part must contain
6655 ;; at least one dot. TLD must contain two or three chars or be a know TLD
6656 ;; (info|name|...). Put this entry near the _end_ of `gnus-button-alist'
6657 ;; so that non-ambiguous entries (see above) match first.
6658 (gnus-button-mid-or-mail-regexp
6659 0 (>= gnus-button-message-level 5) gnus-button-handle-mid-or-mail 1))
6660 "*Alist of regexps matching buttons in article bodies.
6662 Each entry has the form (REGEXP BUTTON FORM CALLBACK PAR...), where
6663 REGEXP: is the string (case insensitive) matching text around the button (can
6664 also be Lisp expression evaluating to a string),
6665 BUTTON: is the number of the regexp grouping actually matching the button,
6666 FORM: is a Lisp expression which must eval to true for the button to
6668 CALLBACK: is the function to call when the user push this button, and each
6669 PAR: is a number of a regexp grouping whose text will be passed to CALLBACK.
6671 CALLBACK can also be a variable, in that case the value of that
6672 variable it the real callback function."
6673 :group 'gnus-article-buttons
6674 :type '(repeat (list (choice regexp variable sexp)
6675 (integer :tag "Button")
6677 (function :tag "Callback")
6680 (integer :tag "Regexp group")))))
6682 (defcustom gnus-header-button-alist
6683 '(("^\\(References\\|Message-I[Dd]\\|^In-Reply-To\\):" "<[^<>]+>"
6684 0 (>= gnus-button-message-level 0) gnus-button-message-id 0)
6685 ("^\\(From\\|Reply-To\\):" ": *\\(.+\\)$"
6686 1 (>= gnus-button-message-level 0) gnus-button-reply 1)
6687 ("^\\(Cc\\|To\\):" "[^ \t\n<>,()\"]+@[^ \t\n<>,()\"]+"
6688 0 (>= gnus-button-message-level 0) gnus-button-mailto 0)
6689 ("^X-[Uu][Rr][Ll]:" gnus-button-url-regexp
6690 0 (>= gnus-button-browse-level 0) browse-url 0)
6691 ("^Subject:" gnus-button-url-regexp
6692 0 (>= gnus-button-browse-level 0) browse-url 0)
6693 ("^[^:]+:" gnus-button-url-regexp
6694 0 (>= gnus-button-browse-level 0) browse-url 0)
6695 ("^[^:]+:" "\\bmailto:\\([-a-z.@_+0-9%=?&/]+\\)"
6696 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
6697 ("^[^:]+:" "\\(<\\(url: \\)?\\(nntp\\|news\\):\\([^>\n ]*\\)>\\)"
6698 1 (>= gnus-button-message-level 0) gnus-button-message-id 4))
6699 "*Alist of headers and regexps to match buttons in article heads.
6701 This alist is very similar to `gnus-button-alist', except that each
6702 alist has an additional HEADER element first in each entry:
6704 \(HEADER REGEXP BUTTON FORM CALLBACK PAR)
6706 HEADER is a regexp to match a header. For a fuller explanation, see
6707 `gnus-button-alist'."
6708 :group 'gnus-article-buttons
6709 :group 'gnus-article-headers
6710 :type '(repeat (list (regexp :tag "Header")
6711 (choice regexp variable)
6712 (integer :tag "Button")
6714 (function :tag "Callback")
6717 (integer :tag "Regexp group")))))
6721 (defun gnus-article-push-button (event)
6722 "Check text under the mouse pointer for a callback function.
6723 If the text under the mouse pointer has a `gnus-callback' property,
6724 call it with the value of the `gnus-data' text property."
6726 (set-buffer (window-buffer (posn-window (event-start event))))
6727 (let* ((pos (posn-point (event-start event)))
6728 (data (get-text-property pos 'gnus-data))
6729 (fun (get-text-property pos 'gnus-callback)))
6732 (funcall fun data))))
6734 (defun gnus-article-press-button ()
6735 "Check text at point for a callback function.
6736 If the text at point has a `gnus-callback' property,
6737 call it with the value of the `gnus-data' text property."
6739 (let ((data (get-text-property (point) 'gnus-data))
6740 (fun (get-text-property (point) 'gnus-callback)))
6742 (funcall fun data))))
6744 (defun gnus-article-prev-button (n)
6745 "Move point to N buttons backward.
6746 If N is negative, move forward instead."
6748 (gnus-article-next-button (- n)))
6750 (defun gnus-article-next-button (n)
6751 "Move point to N buttons forward.
6752 If N is negative, move backward instead."
6754 (let ((function (if (< n 0) 'previous-single-property-change
6755 'next-single-property-change))
6756 (inhibit-point-motion-hooks t)
6758 (limit (if (< n 0) (point-min) (point-max))))
6760 (while (and (not (= limit (point)))
6762 ;; Skip past the current button.
6763 (when (get-text-property (point) 'gnus-callback)
6764 (goto-char (funcall function (point) 'gnus-callback nil limit)))
6765 ;; Go to the next (or previous) button.
6766 (gnus-goto-char (funcall function (point) 'gnus-callback nil limit))
6767 ;; Put point at the start of the button.
6768 (when (and backward (not (get-text-property (point) 'gnus-callback)))
6769 (goto-char (funcall function (point) 'gnus-callback nil limit)))
6770 ;; Skip past intangible buttons.
6771 (when (get-text-property (point) 'intangible)
6775 (gnus-message 5 "No more buttons"))
6778 (defun gnus-article-highlight (&optional force)
6779 "Highlight current article.
6780 This function calls `gnus-article-highlight-headers',
6781 `gnus-article-highlight-citation',
6782 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
6783 do the highlighting. See the documentation for those functions."
6784 (interactive (list 'force))
6785 (gnus-article-highlight-headers)
6786 (gnus-article-highlight-citation force)
6787 (gnus-article-highlight-signature)
6788 (gnus-article-add-buttons force)
6789 (gnus-article-add-buttons-to-head))
6791 (defun gnus-article-highlight-some (&optional force)
6792 "Highlight current article.
6793 This function calls `gnus-article-highlight-headers',
6794 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
6795 do the highlighting. See the documentation for those functions."
6796 (interactive (list 'force))
6797 (gnus-article-highlight-headers)
6798 (gnus-article-highlight-signature)
6799 (gnus-article-add-buttons))
6801 (defun gnus-article-highlight-headers ()
6802 "Highlight article headers as specified by `gnus-header-face-alist'."
6804 (gnus-with-article-headers
6805 (let ((alist gnus-header-face-alist)
6806 entry regexp header-face field-face from hpoints fpoints)
6807 (while (setq entry (pop alist))
6808 (goto-char (point-min))
6809 (setq regexp (concat "^\\("
6810 (if (string-equal "" (nth 0 entry))
6814 header-face (nth 1 entry)
6815 field-face (nth 2 entry))
6816 (while (and (re-search-forward regexp nil t)
6820 (unless (search-forward ":" nil t)
6822 (when (and header-face
6823 (not (memq (point) hpoints)))
6824 (push (point) hpoints)
6825 (gnus-put-text-property from (point) 'face header-face))
6826 (when (and field-face
6827 (not (memq (setq from (point)) fpoints)))
6829 (if (re-search-forward "^[^ \t]" nil t)
6831 (goto-char (point-max)))
6832 (gnus-put-text-property from (point) 'face field-face)))))))
6834 (defun gnus-article-highlight-signature ()
6835 "Highlight the signature in an article.
6836 It does this by highlighting everything after
6837 `gnus-signature-separator' using `gnus-signature-face'."
6839 (when gnus-signature-face
6840 (gnus-with-article-buffer
6841 (let ((inhibit-point-motion-hooks t))
6843 (when (gnus-article-narrow-to-signature)
6844 (gnus-overlay-put (gnus-make-overlay (point-min) (point-max))
6845 'face gnus-signature-face)))))))
6847 (defun gnus-article-buttonize-signature ()
6848 "Add button to the signature."
6851 (set-buffer gnus-article-buffer)
6852 (let ((buffer-read-only nil)
6853 (inhibit-point-motion-hooks t))
6854 (when (gnus-article-search-signature)
6855 (gnus-article-add-button (match-beginning 0) (match-end 0)
6856 'gnus-signature-toggle
6857 (set-marker (make-marker)
6858 (1+ (match-end 0))))))))
6860 (defun gnus-button-in-region-p (b e prop)
6861 "Say whether PROP exists in the region."
6862 (text-property-not-all b e prop nil))
6864 (defun gnus-article-add-buttons (&optional force)
6865 "Find external references in the article and make buttons of them.
6866 \"External references\" are things like Message-IDs and URLs, as
6867 specified by `gnus-button-alist'."
6868 (interactive (list 'force))
6869 (gnus-with-article-buffer
6870 (let ((inhibit-point-motion-hooks t)
6871 (case-fold-search t)
6872 (alist gnus-button-alist)
6874 ;; Remove all old markers.
6875 (let (marker entry new-list)
6876 (while (setq marker (pop gnus-button-marker-list))
6877 (if (or (< marker (point-min)) (>= marker (point-max)))
6878 (push marker new-list)
6880 (when (setq entry (gnus-button-entry))
6881 (put-text-property (match-beginning (nth 1 entry))
6882 (match-end (nth 1 entry))
6883 'gnus-callback nil))
6884 (set-marker marker nil)))
6885 (setq gnus-button-marker-list new-list))
6886 ;; We skip the headers.
6889 (while (setq entry (pop alist))
6890 (setq regexp (eval (car entry)))
6892 (while (re-search-forward regexp nil t)
6893 (let* ((start (and entry (match-beginning (nth 1 entry))))
6894 (end (and entry (match-end (nth 1 entry))))
6895 (from (match-beginning 0)))
6896 (when (and (or (eq t (nth 2 entry))
6897 (eval (nth 2 entry)))
6898 (not (gnus-button-in-region-p
6899 start end 'gnus-callback)))
6900 ;; That optional form returned non-nil, so we add the
6902 (gnus-article-add-button
6903 start end 'gnus-button-push
6904 (car (push (set-marker (make-marker) from)
6905 gnus-button-marker-list))))))))))
6907 ;; Add buttons to the head of an article.
6908 (defun gnus-article-add-buttons-to-head ()
6909 "Add buttons to the head of the article."
6911 (gnus-with-article-headers
6912 (let ((alist gnus-header-button-alist)
6915 ;; Each alist entry.
6916 (setq entry (pop alist))
6917 (goto-char (point-min))
6918 (while (re-search-forward (car entry) nil t)
6919 ;; Each header matching the entry.
6920 (setq beg (match-beginning 0))
6921 (setq end (or (and (re-search-forward "^[^ \t]" nil t)
6922 (match-beginning 0))
6925 (while (re-search-forward (eval (nth 1 entry)) end t)
6926 ;; Each match within a header.
6927 (let* ((entry (cdr entry))
6928 (start (match-beginning (nth 1 entry)))
6929 (end (match-end (nth 1 entry)))
6930 (form (nth 2 entry)))
6931 (goto-char (match-end 0))
6933 (gnus-article-add-button
6934 start end (nth 3 entry)
6935 (buffer-substring (match-beginning (nth 4 entry))
6936 (match-end (nth 4 entry)))))))
6937 (goto-char end))))))
6939 ;;; External functions:
6941 (defun gnus-article-add-button (from to fun &optional data)
6942 "Create a button between FROM and TO with callback FUN and data DATA."
6943 (when gnus-article-button-face
6944 (gnus-overlay-put (gnus-make-overlay from to)
6945 'face gnus-article-button-face))
6946 (gnus-add-text-properties
6948 (nconc (and gnus-article-mouse-face
6949 (list gnus-mouse-face-prop gnus-article-mouse-face))
6950 (list 'gnus-callback fun)
6951 (and data (list 'gnus-data data))))
6952 (widget-convert-button 'link from to :action 'gnus-widget-press-button
6953 :button-keymap gnus-widget-button-keymap))
6955 ;;; Internal functions:
6957 (defun gnus-article-set-globals ()
6958 (with-current-buffer gnus-summary-buffer
6959 (gnus-set-global-variables)))
6961 (defun gnus-signature-toggle (end)
6962 (gnus-with-article-buffer
6963 (let ((inhibit-point-motion-hooks t)
6964 (limit (next-single-property-change end 'mime-view-entity
6966 (if (text-property-any end limit 'article-type 'signature)
6968 (gnus-delete-wash-type 'signature)
6969 (gnus-remove-text-properties-when
6970 'article-type 'signature end limit
6971 (cons 'article-type (cons 'signature
6972 gnus-hidden-properties))))
6973 (gnus-add-wash-type 'signature)
6974 (gnus-add-text-properties-when
6975 'article-type nil end limit
6976 (cons 'article-type (cons 'signature
6977 gnus-hidden-properties)))))
6978 (let ((gnus-article-mime-handle-alist-1 gnus-article-mime-handle-alist))
6979 (gnus-set-mode-line 'article))))
6981 (defun gnus-button-entry ()
6982 ;; Return the first entry in `gnus-button-alist' matching this place.
6983 (let ((alist gnus-button-alist)
6986 (setq entry (pop alist))
6987 (if (looking-at (eval (car entry)))
6992 (defun gnus-button-push (marker)
6993 ;; Push button starting at MARKER.
6996 (let* ((entry (gnus-button-entry))
6997 (inhibit-point-motion-hooks t)
6999 (args (mapcar (lambda (group)
7000 (let ((string (match-string group)))
7001 (set-text-properties
7002 0 (length string) nil string)
7009 (fboundp (symbol-value fun)))
7010 (apply (symbol-value fun) args))
7012 (gnus-message 1 "You must define `%S' to use this button"
7013 (cons fun args)))))))
7015 (defun gnus-parse-news-url (url)
7016 (let (scheme server group message-id articles)
7019 (goto-char (point-min))
7020 (when (looking-at "\\([A-Za-z]+\\):")
7021 (setq scheme (match-string 1))
7022 (goto-char (match-end 0)))
7023 (when (looking-at "//\\([^/]+\\)/")
7024 (setq server (match-string 1))
7025 (goto-char (match-end 0)))
7028 ((looking-at "\\(.*@.*\\)")
7029 (setq message-id (match-string 1)))
7030 ((looking-at "\\([^/]+\\)/\\([-0-9]+\\)")
7031 (setq group (match-string 1)
7032 articles (split-string (match-string 2) "-")))
7033 ((looking-at "\\([^/]+\\)/?")
7034 (setq group (match-string 1)))
7036 (error "Unknown news URL syntax"))))
7037 (list scheme server group message-id articles)))
7039 (defun gnus-button-handle-news (url)
7041 (destructuring-bind (scheme server group message-id articles)
7042 (gnus-parse-news-url url)
7046 (set-buffer gnus-summary-buffer)
7048 (let ((gnus-refer-article-method (list (list 'nntp server))))
7049 (gnus-summary-refer-article message-id))
7050 (gnus-summary-refer-article message-id))))
7052 (gnus-button-fetch-group url)))))
7054 (defun gnus-button-handle-man (url)
7056 (funcall gnus-button-man-handler url))
7058 (defun gnus-button-handle-info-url (url)
7059 "Fetch an info URL."
7060 (setq url (mm-subst-char-in-string ?+ ?\ url))
7062 ((string-match "^\\([^:/]+\\)?/\\(.*\\)" url)
7063 (gnus-info-find-node
7064 (concat "(" (or (gnus-url-unhex-string (match-string 1 url))
7066 ")" (gnus-url-unhex-string (match-string 2 url)))))
7067 ((string-match "([^)\"]+)[^\"]+" url)
7069 (gnus-replace-in-string
7070 (gnus-replace-in-string url "[\n\t ]+" " ") "\"" ""))
7071 (gnus-info-find-node url))
7072 (t (error "Can't parse %s" url))))
7074 (defun gnus-button-handle-info-url-gnome (url)
7075 "Fetch GNOME style info URL."
7076 (setq url (mm-subst-char-in-string ?_ ?\ url))
7077 (if (string-match "\\([^#]+\\)#?\\(.*\\)" url)
7078 (gnus-info-find-node
7080 (gnus-url-unhex-string
7081 (match-string 1 url))
7083 (or (gnus-url-unhex-string
7084 (match-string 2 url))
7086 (error "Can't parse %s" url)))
7088 (defun gnus-button-handle-info-url-kde (url)
7089 "Fetch KDE style info URL."
7090 (gnus-info-find-node (gnus-url-unhex-string url)))
7092 (defun gnus-button-handle-info-keystrokes (url)
7093 "Call `info' when pushing the corresponding URL button."
7094 ;; For links like `C-h i d m gnus RET', `C-h i d m CC Mode RET'.
7099 (defun gnus-button-message-id (message-id)
7101 (with-current-buffer gnus-summary-buffer
7102 (gnus-summary-refer-article message-id)))
7104 (defun gnus-button-fetch-group (address)
7105 "Fetch GROUP specified by ADDRESS."
7106 (if (not (string-match "[:/]" address))
7107 ;; This is just a simple group url.
7108 (gnus-group-read-ephemeral-group address gnus-select-method)
7111 "^\\([^:/]+\\)\\(:\\([^/]+\\)\\)?/\\([^/]+\\)\\(/\\([0-9]+\\)\\)?"
7113 (error "Can't parse %s" address)
7114 (gnus-group-read-ephemeral-group
7115 (match-string 4 address)
7116 `(nntp ,(match-string 1 address)
7117 (nntp-address ,(match-string 1 address))
7118 (nntp-port-number ,(if (match-end 3)
7119 (match-string 3 address)
7122 (and (match-end 6) (list (string-to-int (match-string 6 address))))))))
7124 (defun gnus-url-parse-query-string (query &optional downcase)
7125 (let (retval pairs cur key val)
7126 (setq pairs (split-string query "&"))
7128 (setq cur (car pairs)
7130 (if (not (string-match "=" cur))
7132 (setq key (gnus-url-unhex-string (substring cur 0 (match-beginning 0)))
7133 val (gnus-url-unhex-string (substring cur (match-end 0) nil) t))
7135 (setq key (downcase key)))
7136 (setq cur (assoc key retval))
7138 (setcdr cur (cons val (cdr cur)))
7139 (setq retval (cons (list key val) retval)))))
7142 (defun gnus-url-mailto (url)
7143 ;; Send mail to someone
7144 (when (string-match "mailto:/*\\(.*\\)" url)
7145 (setq url (substring url (match-beginning 1) nil)))
7146 (let (to args subject func)
7147 (setq args (gnus-url-parse-query-string
7148 (if (string-match "^\\?" url)
7150 (if (string-match "^\\([^?]+\\)\\?\\(.*\\)" url)
7151 (concat "to=" (match-string 1 url) "&"
7152 (match-string 2 url))
7153 (concat "to=" url)))
7155 subject (cdr-safe (assoc "subject" args)))
7158 (setq func (intern-soft (concat "message-goto-" (downcase (caar args)))))
7161 (message-position-on-field (caar args)))
7162 (insert (gnus-replace-in-string
7163 (mapconcat 'identity (reverse (cdar args)) ", ")
7165 (setq args (cdr args)))
7168 (message-goto-subject))))
7170 (defun gnus-button-embedded-url (address)
7171 "Activate ADDRESS with `browse-url'."
7172 (browse-url (gnus-strip-whitespace address)))
7174 ;;; Next/prev buttons in the article buffer.
7176 (defvar gnus-next-page-line-format "%{%(Next page...%)%}\n")
7177 (defvar gnus-prev-page-line-format "%{%(Previous page...%)%}\n")
7179 (defvar gnus-prev-page-map
7180 (let ((map (make-sparse-keymap)))
7181 (define-key map gnus-mouse-2 'gnus-button-prev-page)
7182 (define-key map "\r" 'gnus-button-prev-page)
7185 (defvar gnus-next-page-map
7186 (let ((map (make-sparse-keymap)))
7187 (define-key map gnus-mouse-2 'gnus-button-next-page)
7188 (define-key map "\r" 'gnus-button-next-page)
7191 (defun gnus-insert-prev-page-button ()
7193 (buffer-read-only nil)
7194 (situation (get-text-property (point-min) 'mime-view-situation)))
7196 gnus-prev-page-line-format nil
7197 `(keymap ,gnus-prev-page-map
7199 gnus-callback gnus-article-button-prev-page
7200 article-type annotation
7201 mime-view-situation ,situation))
7202 (widget-convert-button
7204 ;; Exclude a newline.
7207 :action 'gnus-button-prev-page
7208 :button-keymap gnus-prev-page-map)))
7210 (defun gnus-button-next-page (&optional args more-args)
7211 "Go to the next page."
7213 (let ((win (selected-window)))
7214 (select-window (gnus-get-buffer-window gnus-article-buffer t))
7215 (gnus-article-next-page)
7216 (select-window win)))
7218 (defun gnus-button-prev-page (&optional args more-args)
7219 "Go to the prev page."
7221 (let ((win (selected-window)))
7222 (select-window (gnus-get-buffer-window gnus-article-buffer t))
7223 (gnus-article-prev-page)
7224 (select-window win)))
7226 (defun gnus-insert-next-page-button ()
7228 (buffer-read-only nil)
7229 (situation (get-text-property (point-min) 'mime-view-situation)))
7230 (gnus-eval-format gnus-next-page-line-format nil
7231 `(keymap ,gnus-next-page-map
7233 gnus-callback gnus-article-button-next-page
7234 article-type annotation
7235 mime-view-situation ,situation))
7236 (widget-convert-button
7238 ;; Exclude a newline.
7241 :action 'gnus-button-next-page
7242 :button-keymap gnus-next-page-map)))
7244 (defun gnus-article-button-next-page (arg)
7245 "Go to the next page."
7247 (let ((win (selected-window)))
7248 (select-window (gnus-get-buffer-window gnus-article-buffer t))
7249 (gnus-article-next-page)
7250 (select-window win)))
7252 (defun gnus-article-button-prev-page (arg)
7253 "Go to the prev page."
7255 (let ((win (selected-window)))
7256 (select-window (gnus-get-buffer-window gnus-article-buffer t))
7257 (gnus-article-prev-page)
7258 (select-window win)))
7260 (defvar gnus-decode-header-methods
7261 '(mail-decode-encoded-word-region)
7262 "List of methods used to decode headers.
7264 This variable is a list of FUNCTION or (REGEXP . FUNCTION). If item
7265 is FUNCTION, FUNCTION will be apply to all newsgroups. If item is a
7266 \(REGEXP . FUNCTION), FUNCTION will be only apply to the newsgroups
7267 whose names match REGEXP.
7270 \((\"chinese\" . gnus-decode-encoded-word-region-by-guess)
7271 mail-decode-encoded-word-region
7272 (\"chinese\" . rfc1843-decode-region))
7275 (defvar gnus-decode-header-methods-cache nil)
7277 (defun gnus-multi-decode-header (start end)
7278 "Apply the functions from `gnus-encoded-word-methods' that match."
7279 (unless (and gnus-decode-header-methods-cache
7280 (eq gnus-newsgroup-name
7281 (car gnus-decode-header-methods-cache)))
7282 (setq gnus-decode-header-methods-cache (list gnus-newsgroup-name))
7285 (nconc gnus-decode-header-methods-cache (list x))
7286 (if (and gnus-newsgroup-name
7287 (string-match (car x) gnus-newsgroup-name))
7288 (nconc gnus-decode-header-methods-cache
7290 gnus-decode-header-methods))
7291 (let ((xlist gnus-decode-header-methods-cache))
7294 (narrow-to-region start end)
7296 (funcall (pop xlist) (point-min) (point-max))))))
7299 ;;; Treatment top-level handling.
7302 (defun gnus-treat-article (condition &optional part-number total-parts type)
7303 (let ((length (- (point-max) (point-min)))
7304 (alist gnus-treatment-function-alist)
7305 (article-goto-body-goes-to-point-min-p t)
7309 (let ((list gnus-article-treat-types))
7311 (when (string-match (pop list) type)
7312 (throw 'found t)))))))
7313 (highlightp (gnus-visual-p 'article-highlight 'highlight))
7314 (entity (static-unless (featurep 'xemacs)
7315 (when (eq 'head condition)
7316 (get-text-property (point-min) 'mime-view-entity))))
7317 val elem buttonized)
7318 (gnus-run-hooks 'gnus-part-display-hook)
7319 (unless gnus-inhibit-treatment
7320 (dolist (elem alist)
7323 (when (gnus-buffer-live-p gnus-summary-buffer)
7324 (set-buffer gnus-summary-buffer))
7325 (symbol-value (car elem))))
7326 (when (and (or (consp val)
7328 (gnus-treat-predicate val)
7329 (or (not (get (car elem) 'highlight))
7331 (when (and (not buttonized)
7333 '(gnus-treat-hide-signature
7334 gnus-treat-highlight-signature)))
7335 (gnus-article-buttonize-signature)
7336 (setq buttonized t))
7338 (funcall (cadr elem)))))
7339 ;; FSF Emacsen does not inherit the existing text properties
7340 ;; in the new text, so we should do it for `mime-view-entity'.
7341 (static-unless (featurep 'xemacs)
7343 (put-text-property (point-min) (point-max)
7344 'mime-view-entity entity))))))
7346 ;; Dynamic variables.
7348 (defvar part-number)
7349 (defvar total-parts)
7354 (defun gnus-treat-predicate (val)
7359 (stringp (car val)))
7360 (apply 'gnus-or (mapcar `(lambda (s)
7361 (string-match s ,(or gnus-newsgroup-name "")))
7364 (let ((pred (pop val)))
7367 (apply 'gnus-or (mapcar 'gnus-treat-predicate val)))
7369 (apply 'gnus-and (mapcar 'gnus-treat-predicate val)))
7371 (not (gnus-treat-predicate (car val))))
7373 (equal (car val) type))
7375 (error "%S is not a valid predicate" pred)))))
7385 (eq part-number total-parts))
7389 (error "%S is not a valid value" val))))
7391 (defun gnus-article-encrypt-body (protocol &optional n)
7392 "Encrypt the article body."
7395 (or gnus-article-encrypt-protocol
7396 (completing-read "Encrypt protocol: "
7397 gnus-article-encrypt-protocol-alist
7399 current-prefix-arg))
7400 (let ((func (cdr (assoc protocol gnus-article-encrypt-protocol-alist))))
7402 (error (format "Can't find the encrypt protocol %s" protocol)))
7403 (if (member gnus-newsgroup-name '("nndraft:delayed"
7406 (error "Can't encrypt the article in group %s"
7407 gnus-newsgroup-name))
7408 (gnus-summary-iterate n
7410 (set-buffer gnus-summary-buffer)
7411 (let ((mail-parse-charset gnus-newsgroup-charset)
7412 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets)
7413 (summary-buffer gnus-summary-buffer)
7415 (gnus-set-global-variables)
7416 (when (gnus-group-read-only-p)
7417 (error "The current newsgroup does not support article encrypt"))
7418 (gnus-summary-show-article t)
7420 (or (mail-header-references gnus-current-headers) ""))
7421 (set-buffer gnus-article-buffer)
7422 (let* ((buffer-read-only nil)
7424 (mapcar (lambda (field)
7425 (and (save-restriction
7426 (message-narrow-to-head)
7427 (goto-char (point-min))
7428 (search-forward field nil t))
7430 (message-narrow-to-field)
7432 (delete-region (point-min) (point-max))
7434 '("Content-Type:" "Content-Transfer-Encoding:"
7435 "Content-Disposition:"))))
7436 (message-narrow-to-head)
7437 (message-remove-header "MIME-Version")
7438 (goto-char (point-max))
7439 (setq point (point))
7440 (insert (apply 'concat headers))
7442 (narrow-to-region point (point-max))
7443 (let ((message-options message-options))
7444 (message-options-set 'message-sender user-mail-address)
7445 (message-options-set 'message-recipients user-mail-address)
7446 (message-options-set 'message-sign-encrypt 'not)
7448 (goto-char (point-min))
7449 (insert "MIME-Version: 1.0\n")
7451 (gnus-summary-edit-article-done
7452 references nil summary-buffer t))
7453 (when gnus-keep-backlog
7454 (gnus-backlog-remove-article
7455 (car gnus-article-current) (cdr gnus-article-current)))
7457 (when (get-buffer gnus-original-article-buffer)
7458 (set-buffer gnus-original-article-buffer)
7459 (setq gnus-original-article nil)))
7460 (when gnus-use-cache
7461 (gnus-cache-update-article
7462 (car gnus-article-current) (cdr gnus-article-current))))))))
7464 (defvar gnus-mime-security-button-line-format "%{%([[%t:%i]%D]%)%}\n"
7465 "The following specs can be used:
7466 %t The security MIME type
7469 %D Details if button is pressed")
7471 (defvar gnus-mime-security-button-end-line-format "%{%([[End of %t]%D]%)%}\n"
7472 "The following specs can be used:
7473 %t The security MIME type
7476 %D Details if button is pressed")
7478 (defvar gnus-mime-security-button-line-format-alist
7479 '((?t gnus-tmp-type ?s)
7480 (?i gnus-tmp-info ?s)
7481 (?d gnus-tmp-details ?s)
7482 (?D gnus-tmp-pressed-details ?s)))
7484 (defvar gnus-mime-security-button-map
7485 (let ((map (make-sparse-keymap)))
7486 (define-key map gnus-mouse-2 'gnus-article-push-button)
7487 (define-key map "\r" 'gnus-article-press-button)
7490 (defvar gnus-mime-security-details-buffer nil)
7492 (defvar gnus-mime-security-button-pressed nil)
7494 (defvar gnus-mime-security-show-details-inline t
7495 "If non-nil, show details in the article buffer.")
7497 (defun gnus-mime-security-verify-or-decrypt (handle)
7498 (mm-remove-parts (cdr handle))
7499 (let ((region (mm-handle-multipart-ctl-parameter handle 'gnus-region))
7500 point buffer-read-only)
7502 (goto-char (car region)))
7504 (narrow-to-region (point) (point))
7505 (with-current-buffer (mm-handle-multipart-original-buffer handle)
7506 (let* ((mm-verify-option 'known)
7507 (mm-decrypt-option 'known)
7508 (nparts (mm-possibly-verify-or-decrypt (cdr handle) handle)))
7509 (unless (eq nparts (cdr handle))
7510 (mm-destroy-parts (cdr handle))
7511 (setcdr handle nparts))))
7512 (setq point (point))
7513 (gnus-mime-display-security handle)
7514 (goto-char (point-max)))
7516 (delete-region (point) (cdr region))
7517 (set-marker (car region) nil)
7518 (set-marker (cdr region) nil))
7521 (defun gnus-mime-security-show-details (handle)
7522 (let ((details (mm-handle-multipart-ctl-parameter handle 'gnus-details)))
7524 (gnus-message 5 "No details.")
7525 (if gnus-mime-security-show-details-inline
7526 (let ((gnus-mime-security-button-pressed
7527 (not (get-text-property (point) 'gnus-mime-details)))
7528 (gnus-mime-security-button-line-format
7529 (get-text-property (point) 'gnus-line-format))
7532 (while (eq (get-text-property (point) 'gnus-line-format)
7533 gnus-mime-security-button-line-format)
7537 (narrow-to-region (point) (point))
7538 (gnus-insert-mime-security-button handle))
7539 (delete-region (point)
7540 (or (text-property-not-all
7543 gnus-mime-security-button-line-format)
7546 (if (gnus-buffer-live-p gnus-mime-security-details-buffer)
7547 (with-current-buffer gnus-mime-security-details-buffer
7550 (setq gnus-mime-security-details-buffer
7551 (gnus-get-buffer-create "*MIME Security Details*")))
7552 (with-current-buffer gnus-mime-security-details-buffer
7554 (goto-char (point-min)))
7555 (pop-to-buffer gnus-mime-security-details-buffer)))))
7557 (defun gnus-mime-security-press-button (handle)
7559 (if (mm-handle-multipart-ctl-parameter handle 'gnus-info)
7560 (gnus-mime-security-show-details handle)
7561 (gnus-mime-security-verify-or-decrypt handle))))
7563 (defun gnus-insert-mime-security-button (handle &optional displayed)
7564 (let* ((protocol (mm-handle-multipart-ctl-parameter handle 'protocol))
7567 (or (nth 2 (assoc protocol mm-verify-function-alist))
7568 (nth 2 (assoc protocol mm-decrypt-function-alist))
7570 (if (equal (car handle) "multipart/signed")
7571 " Signed" " Encrypted")
7574 (or (mm-handle-multipart-ctl-parameter handle 'gnus-info)
7577 (mm-handle-multipart-ctl-parameter handle 'gnus-details))
7578 gnus-tmp-pressed-details
7580 (setq gnus-tmp-details
7581 (if gnus-tmp-details
7582 (concat "\n" gnus-tmp-details)
7584 (setq gnus-tmp-pressed-details
7585 (if gnus-mime-security-button-pressed gnus-tmp-details ""))
7590 gnus-mime-security-button-line-format
7591 gnus-mime-security-button-line-format-alist
7592 `(keymap ,gnus-mime-security-button-map
7593 gnus-callback gnus-mime-security-press-button
7594 gnus-line-format ,gnus-mime-security-button-line-format
7595 gnus-mime-details ,gnus-mime-security-button-pressed
7596 article-type annotation
7599 ;; Exclude a newline.
7602 (widget-convert-button
7605 :action 'gnus-widget-press-button
7606 :button-keymap gnus-mime-security-button-map
7608 (lambda (widget/window &optional overlay pos)
7609 ;; Needed to properly clear the message due to a bug in
7610 ;; wid-edit (XEmacs only).
7611 (when (boundp 'help-echo-owns-message)
7612 (setq help-echo-owns-message t))
7615 (aref gnus-mouse-2 0))))))
7617 (defun gnus-mime-display-security (handle)
7619 (narrow-to-region (point) (point))
7620 (unless (gnus-unbuttonized-mime-type-p (car handle))
7621 (gnus-insert-mime-security-button handle))
7622 (gnus-mime-display-mixed (cdr handle))
7625 (unless (gnus-unbuttonized-mime-type-p (car handle))
7626 (let ((gnus-mime-security-button-line-format
7627 gnus-mime-security-button-end-line-format))
7628 (gnus-insert-mime-security-button handle)))
7629 (mm-set-handle-multipart-parameter
7631 (cons (set-marker (make-marker) (point-min))
7632 (set-marker (make-marker) (point-max))))))
7638 (defun gnus-article-header-presentation-method (entity situation)
7639 (mime-insert-header entity)
7640 (article-decode-group-name))
7642 (set-alist 'mime-header-presentation-method-alist
7643 'gnus-original-article-mode
7644 #'gnus-article-header-presentation-method)
7646 (defun gnus-mime-preview-quitting-method ()
7647 (mime-preview-kill-buffer)
7648 (delete-other-windows)
7649 (gnus-article-show-summary)
7650 (gnus-summary-select-article gnus-show-all-headers t))
7652 (set-alist 'mime-preview-quitting-method-alist
7653 'gnus-original-article-mode #'gnus-mime-preview-quitting-method)
7655 (set-alist 'mime-preview-following-method-alist
7656 'gnus-original-article-mode #'gnus-following-method)
7658 (set-alist 'mime-preview-over-to-previous-method-alist
7659 'gnus-original-article-mode
7661 (if (> (point-min) 1)
7662 (gnus-article-prev-page)
7663 (gnus-article-read-summary-keys
7664 nil (gnus-character-to-event ?P)))))
7666 (set-alist 'mime-preview-over-to-next-method-alist
7667 'gnus-original-article-mode'
7669 (if (< (point-max) (buffer-size))
7670 (gnus-article-next-page)
7671 (gnus-article-read-summary-keys
7672 nil (gnus-character-to-event ?N)))))
7682 (run-hooks 'gnus-art-load-hook)
7684 ;;; gnus-art.el ends here