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'."
233 :group 'gnus-article-hiding)
235 (defcustom gnus-signature-separator '("^-- $" "^-- *$")
236 "Regexp matching signature separator.
237 This can also be a list of regexps. In that case, it will be checked
238 from head to tail looking for a separator. Searches will be done from
239 the end of the buffer."
240 :type '(repeat string)
241 :group 'gnus-article-signature)
243 (defcustom gnus-signature-limit nil
244 "Provide a limit to what is considered a signature.
245 If it is a number, no signature may not be longer (in characters) than
246 that number. If it is a floating point number, no signature may be
247 longer (in lines) than that number. If it is a function, the function
248 will be called without any parameters, and if it returns nil, there is
249 no signature in the buffer. If it is a string, it will be used as a
250 regexp. If it matches, the text in question is not a signature.
252 This can also be a list of the above values."
253 :type '(choice (integer :value 200)
255 (function :value fun)
256 (regexp :value ".*"))
257 :group 'gnus-article-signature)
259 (defcustom gnus-hidden-properties '(invisible t intangible t)
260 "Property list to use for hiding text."
262 :group 'gnus-article-hiding)
264 ;; Fixme: This isn't the right thing for mixed graphical and non-graphical
265 ;; frames in a session.
266 (defcustom gnus-article-x-face-command
271 (if (or (gnus-image-type-available-p 'xface)
272 (gnus-image-type-available-p 'pbm))
273 'gnus-display-x-face-in-from
274 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | ee -"))
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-mule (if (featurep 'xemacs)
289 (module-installed-p 'x-face-mule))))
293 (if (or (gnus-image-type-available-p 'xface)
294 (gnus-image-type-available-p 'pbm))
295 '(function-item gnus-display-x-face-in-from))
298 x-face-mule-gnus-article-display-x-face))
302 :group 'gnus-article-washing)
304 (defcustom gnus-article-x-face-too-ugly nil
305 "Regexp matching posters whose face shouldn't be shown automatically."
306 :type '(choice regexp (const nil))
307 :group 'gnus-article-washing)
309 (defcustom gnus-article-banner-alist nil
310 "Banner alist for stripping.
312 ((egroups . \"^[ \\t\\n]*-------------------+\\\\( \\\\(e\\\\|Yahoo! \\\\)Groups Sponsor -+\\\\)?....\\n\\\\(.+\\n\\\\)+\"))"
314 :type '(repeat (cons symbol regexp))
315 :group 'gnus-article-washing)
317 (gnus-define-group-parameter
320 "Alist of regexps (to match group names) and banner."
321 :variable-group gnus-article-washing
323 '(choice :tag "Banner"
325 (const :tag "Remove signature" signature)
326 (symbol :tag "Item in `gnus-article-banner-alist'" none)
328 (const :tag "None" nil))
330 "If non-nil, specify how to remove `banners' from articles.
332 Symbol `signature' means to remove signatures delimited by
333 `gnus-signature-separator'. Any other symbol is used to look up a
334 regular expression to match the banner in `gnus-article-banner-alist'.
335 A string is used as a regular expression to match the banner
338 (defcustom gnus-article-address-banner-alist nil
339 "Alist of mail addresses and banners.
340 Each element has the form (ADDRESS . BANNER), where ADDRESS is a regexp
341 to match a mail address in the From: header, BANNER is one of a symbol
342 `signature', an item in `gnus-article-banner-alist', a regexp and nil.
343 If ADDRESS matches author's mail address, it will remove things like
344 advertisements. For example:
346 \((\"@yoo-hoo\\\\.co\\\\.jp\\\\'\" . \"\\n_+\\nDo You Yoo-hoo!\\\\?\\n.*\\n.*\\n\"))
350 (regexp :tag "Address")
351 (choice :tag "Banner" :value nil
352 (const :tag "Remove signature" signature)
353 (symbol :tag "Item in `gnus-article-banner-alist'" none)
355 (const :tag "None" nil))))
356 :group 'gnus-article-washing)
358 (defcustom gnus-emphasis-alist
360 "\\(\\s-\\|^\\|\\=\\|[-\"]\\|\\s(\\)\\(%s\\(\\w+\\(\\s-+\\w+\\)*[.,]?\\)%s\\)\\(\\([-,.;:!?\"]\\|\\s)\\)+\\s-\\|[?!.]\\s-\\|\\s)\\|\\s-\\)")
365 ("_/" "/_" underline-italic)
366 ("_\\*" "\\*_" underline-bold)
367 ("\\*/" "/\\*" bold-italic)
368 ("_\\*/" "/\\*_" underline-bold-italic))))
372 (format format (car spec) (car (cdr spec)))
373 2 3 (intern (format "gnus-emphasis-%s" (nth 2 spec)))))
375 ("\\(\\s-\\|^\\)\\(_\\(\\(\\w\\|_[^_]\\)+\\)_\\)\\(\\s-\\|[?!.,;]\\)"
376 2 3 gnus-emphasis-underline)))
377 "*Alist that says how to fontify certain phrases.
378 Each item looks like this:
380 (\"_\\\\(\\\\w+\\\\)_\" 0 1 'underline)
382 The first element is a regular expression to be matched. The second
383 is a number that says what regular expression grouping used to find
384 the entire emphasized word. The third is a number that says what
385 regexp grouping should be displayed and highlighted. The fourth
386 is the face used for highlighting."
387 :type '(repeat (list :value ("" 0 0 default)
389 (integer :tag "Match group")
390 (integer :tag "Emphasize group")
392 :group 'gnus-article-emphasis)
394 (defcustom gnus-emphasize-whitespace-regexp "^[ \t]+\\|[ \t]*\n"
395 "A regexp to describe whitespace which should not be emphasized.
396 Typical values are \"^[ \\t]+\\\\|[ \\t]*\\n\" and \"[ \\t]+\\\\|[ \\t]*\\n\".
397 The former avoids underlining of leading and trailing whitespace,
398 and the latter avoids underlining any whitespace at all."
400 :group 'gnus-article-emphasis
403 (defface gnus-emphasis-bold '((t (:bold t)))
404 "Face used for displaying strong emphasized text (*word*)."
405 :group 'gnus-article-emphasis)
407 (defface gnus-emphasis-italic '((t (:italic t)))
408 "Face used for displaying italic emphasized text (/word/)."
409 :group 'gnus-article-emphasis)
411 (defface gnus-emphasis-underline '((t (:underline t)))
412 "Face used for displaying underlined emphasized text (_word_)."
413 :group 'gnus-article-emphasis)
415 (defface gnus-emphasis-underline-bold '((t (:bold t :underline t)))
416 "Face used for displaying underlined bold emphasized text (_*word*_)."
417 :group 'gnus-article-emphasis)
419 (defface gnus-emphasis-underline-italic '((t (:italic t :underline t)))
420 "Face used for displaying underlined italic emphasized text (_/word/_)."
421 :group 'gnus-article-emphasis)
423 (defface gnus-emphasis-bold-italic '((t (:bold t :italic t)))
424 "Face used for displaying bold italic emphasized text (/*word*/)."
425 :group 'gnus-article-emphasis)
427 (defface gnus-emphasis-underline-bold-italic
428 '((t (:bold t :italic t :underline t)))
429 "Face used for displaying underlined bold italic emphasized text.
430 Example: (_/*word*/_)."
431 :group 'gnus-article-emphasis)
433 (defface gnus-emphasis-strikethru (if (featurep 'xemacs)
434 '((t (:strikethru t)))
435 '((t (:strike-through t))))
436 "Face used for displaying strike-through text (-word-)."
437 :group 'gnus-article-emphasis)
439 (defface gnus-emphasis-highlight-words
440 '((t (:background "black" :foreground "yellow")))
441 "Face used for displaying highlighted words."
442 :group 'gnus-article-emphasis)
444 (defcustom gnus-article-time-format "%a, %d %b %Y %T %Z"
445 "Format for display of Date headers in article bodies.
446 See `format-time-string' for the possible values.
448 The variable can also be function, which should return a complete Date
449 header. The function is called with one argument, the time, which can
450 be fed to `format-time-string'."
451 :type '(choice string function)
452 :link '(custom-manual "(gnus)Article Date")
453 :group 'gnus-article-washing)
456 (autoload 'mail-extract-address-components "mail-extr"))
458 (defcustom gnus-save-all-headers t
459 "*If non-nil, don't remove any headers before saving."
460 :group 'gnus-article-saving
463 (defcustom gnus-prompt-before-saving 'always
464 "*This variable says how much prompting is to be done when saving articles.
465 If it is nil, no prompting will be done, and the articles will be
466 saved to the default files. If this variable is `always', each and
467 every article that is saved will be preceded by a prompt, even when
468 saving large batches of articles. If this variable is neither nil not
469 `always', there the user will be prompted once for a file name for
470 each invocation of the saving commands."
471 :group 'gnus-article-saving
472 :type '(choice (item always)
473 (item :tag "never" nil)
474 (sexp :tag "once" :format "%t\n" :value t)))
476 (defcustom gnus-saved-headers gnus-visible-headers
477 "Headers to keep if `gnus-save-all-headers' is nil.
478 If `gnus-save-all-headers' is non-nil, this variable will be ignored.
479 If that variable is nil, however, all headers that match this regexp
480 will be kept while the rest will be deleted before saving."
481 :group 'gnus-article-saving
484 (defcustom gnus-default-article-saver 'gnus-summary-save-in-rmail
485 "A function to save articles in your favourite format.
486 The function must be interactively callable (in other words, it must
487 be an Emacs command).
489 Gnus provides the following functions:
491 * gnus-summary-save-in-rmail (Rmail format)
492 * gnus-summary-save-in-mail (Unix mail format)
493 * gnus-summary-save-in-folder (MH folder)
494 * gnus-summary-save-in-file (article format)
495 * gnus-summary-save-body-in-file (article body)
496 * gnus-summary-save-in-vm (use VM's folder format)
497 * gnus-summary-write-to-file (article format -- overwrite)."
498 :group 'gnus-article-saving
499 :type '(radio (function-item gnus-summary-save-in-rmail)
500 (function-item gnus-summary-save-in-mail)
501 (function-item gnus-summary-save-in-folder)
502 (function-item gnus-summary-save-in-file)
503 (function-item gnus-summary-save-body-in-file)
504 (function-item gnus-summary-save-in-vm)
505 (function-item gnus-summary-write-to-file)))
507 (defcustom gnus-rmail-save-name 'gnus-plain-save-name
508 "A function generating a file name to save articles in Rmail format.
509 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
510 :group 'gnus-article-saving
513 (defcustom gnus-mail-save-name 'gnus-plain-save-name
514 "A function generating a file name to save articles in Unix mail format.
515 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
516 :group 'gnus-article-saving
519 (defcustom gnus-folder-save-name 'gnus-folder-save-name
520 "A function generating a file name to save articles in MH folder.
521 The function is called with NEWSGROUP, HEADERS, and optional LAST-FOLDER."
522 :group 'gnus-article-saving
525 (defcustom gnus-file-save-name 'gnus-numeric-save-name
526 "A function generating a file name to save articles in article format.
527 The function is called with NEWSGROUP, HEADERS, and optional
529 :group 'gnus-article-saving
532 (defcustom gnus-split-methods
533 '((gnus-article-archive-name)
534 (gnus-article-nndoc-name))
535 "*Variable used to suggest where articles are to be saved.
536 For instance, if you would like to save articles related to Gnus in
537 the file \"gnus-stuff\", and articles related to VM in \"vm-stuff\",
538 you could set this variable to something like:
540 '((\"^Subject:.*gnus\\|^Newsgroups:.*gnus\" \"gnus-stuff\")
541 (\"^Subject:.*vm\\|^Xref:.*vm\" \"vm-stuff\"))
543 This variable is an alist where the where the key is the match and the
544 value is a list of possible files to save in if the match is non-nil.
546 If the match is a string, it is used as a regexp match on the
547 article. If the match is a symbol, that symbol will be funcalled
548 from the buffer of the article to be saved with the newsgroup as the
549 parameter. If it is a list, it will be evaled in the same buffer.
551 If this form or function returns a string, this string will be used as
552 a possible file name; and if it returns a non-nil list, that list will
553 be used as possible file names."
554 :group 'gnus-article-saving
555 :type '(repeat (choice (list :value (fun) function)
556 (cons :value ("" "") regexp (repeat string))
559 (defcustom gnus-article-display-method-for-mime
560 'gnus-article-display-mime-message
561 "Function to display a MIME message.
562 The function is called from the article buffer."
563 :group 'gnus-article-mime
566 (defcustom gnus-article-display-method-for-traditional
567 'gnus-article-display-traditional-message
568 "*Function to display a traditional message.
569 The function is called from the article buffer."
570 :group 'gnus-article-mime
573 (defcustom gnus-page-delimiter "^\^L"
574 "*Regexp describing what to use as article page delimiters.
575 The default value is \"^\^L\", which is a form linefeed at the
576 beginning of a line."
578 :group 'gnus-article-various)
580 (defcustom gnus-article-mode-line-format "Gnus: %g [%w] %S%m"
581 "*The format specification for the article mode line.
582 See `gnus-summary-mode-line-format' for a closer description.
584 The following additional specs are available:
586 %w The article washing status.
587 %m The number of MIME parts in the article."
589 :group 'gnus-article-various)
591 (defcustom gnus-article-mode-hook nil
592 "*A hook for Gnus article mode."
594 :group 'gnus-article-various)
596 (when (featurep 'xemacs)
597 ;; Extracted from gnus-xmas-define in order to preserve user settings
598 (when (fboundp 'turn-off-scroll-in-place)
599 (add-hook 'gnus-article-mode-hook 'turn-off-scroll-in-place))
600 ;; Extracted from gnus-xmas-redefine in order to preserve user settings
601 (add-hook 'gnus-article-mode-hook 'gnus-xmas-article-menu-add))
603 (defcustom gnus-article-menu-hook nil
604 "*Hook run after the creation of the article mode menu."
606 :group 'gnus-article-various)
608 (defcustom gnus-article-prepare-hook nil
609 "*A hook called after an article has been prepared in the article buffer."
611 :group 'gnus-article-various)
613 (make-obsolete-variable 'gnus-article-hide-pgp-hook
614 "This variable is obsolete in Gnus 5.10.")
616 (defcustom gnus-article-button-face 'bold
617 "Face used for highlighting buttons in the article buffer.
619 An article button is a piece of text that you can activate by pressing
620 `RET' or `mouse-2' above it."
622 :group 'gnus-article-buttons)
624 (defcustom gnus-article-mouse-face 'highlight
625 "Face used for mouse highlighting in the article buffer.
627 Article buttons will be displayed in this face when the cursor is
630 :group 'gnus-article-buttons)
632 (defcustom gnus-signature-face 'gnus-signature-face
633 "Face used for highlighting a signature in the article buffer.
634 Obsolete; use the face `gnus-signature-face' for customizations instead."
636 :group 'gnus-article-highlight
637 :group 'gnus-article-signature)
639 (defface gnus-signature-face
642 "Face used for highlighting a signature in the article buffer."
643 :group 'gnus-article-highlight
644 :group 'gnus-article-signature)
646 (defface gnus-header-from-face
649 (:foreground "spring green"))
652 (:foreground "red3"))
655 "Face used for displaying from headers."
656 :group 'gnus-article-headers
657 :group 'gnus-article-highlight)
659 (defface gnus-header-subject-face
662 (:foreground "SeaGreen3"))
665 (:foreground "red4"))
667 (:bold t :italic t)))
668 "Face used for displaying subject headers."
669 :group 'gnus-article-headers
670 :group 'gnus-article-highlight)
672 (defface gnus-header-newsgroups-face
675 (:foreground "yellow" :italic t))
678 (:foreground "MidnightBlue" :italic t))
681 "Face used for displaying newsgroups headers.
682 In the default setup this face is only used for crossposted
684 :group 'gnus-article-headers
685 :group 'gnus-article-highlight)
687 (defface gnus-header-name-face
690 (:foreground "SeaGreen"))
693 (:foreground "maroon"))
696 "Face used for displaying header names."
697 :group 'gnus-article-headers
698 :group 'gnus-article-highlight)
700 (defface gnus-header-content-face
703 (:foreground "forest green" :italic t))
706 (:foreground "indianred4" :italic t))
709 "Face used for displaying header content."
710 :group 'gnus-article-headers
711 :group 'gnus-article-highlight)
713 (defcustom gnus-header-face-alist
714 '(("From" nil gnus-header-from-face)
715 ("Subject" nil gnus-header-subject-face)
716 ("Newsgroups:.*," nil gnus-header-newsgroups-face)
717 ("" gnus-header-name-face gnus-header-content-face))
718 "*Controls highlighting of article headers.
720 An alist of the form (HEADER NAME CONTENT).
722 HEADER is a regular expression which should match the name of a
723 header and NAME and CONTENT are either face names or nil.
725 The name of each header field will be displayed using the face
726 specified by the first element in the list where HEADER matches
727 the header name and NAME is non-nil. Similarly, the content will
728 be displayed by the first non-nil matching CONTENT face."
729 :group 'gnus-article-headers
730 :group 'gnus-article-highlight
731 :type '(repeat (list (regexp :tag "Header")
733 (item :tag "skip" nil)
734 (face :value default))
735 (choice :tag "Content"
736 (item :tag "skip" nil)
737 (face :value default)))))
739 (defcustom gnus-article-decode-hook
740 '(article-decode-group-name article-decode-idna-rhs)
741 "*Hook run to decode charsets in articles."
742 :group 'gnus-article-headers
745 (defcustom gnus-display-mime-function 'gnus-display-mime
746 "Function to display MIME articles."
747 :group 'gnus-article-mime
750 (defvar gnus-decode-header-function 'mail-decode-encoded-word-region
751 "Function used to decode headers.")
753 (defvar gnus-article-dumbquotes-map
773 "Table for MS-to-Latin1 translation.")
775 (defcustom gnus-ignored-mime-types nil
776 "List of MIME types that should be ignored by Gnus."
778 :group 'gnus-article-mime
779 :type '(repeat regexp))
781 (defcustom gnus-unbuttonized-mime-types '(".*/.*")
782 "List of MIME types that should not be given buttons when rendered inline.
783 See also `gnus-buttonized-mime-types' which may override this variable.
784 This variable is only used when `gnus-inhibit-mime-unbuttonizing' is nil."
786 :group 'gnus-article-mime
787 :type '(repeat regexp))
789 (defcustom gnus-buttonized-mime-types nil
790 "List of MIME types that should be given buttons when rendered inline.
791 If set, this variable overrides `gnus-unbuttonized-mime-types'.
792 To see e.g. security buttons you could set this to
793 `(\"multipart/signed\")'.
794 This variable is only used when `gnus-inhibit-mime-unbuttonizing' is nil."
796 :group 'gnus-article-mime
797 :type '(repeat regexp))
799 (defcustom gnus-inhibit-mime-unbuttonizing nil
800 "If non-nil, all MIME parts get buttons.
801 When nil (the default value), then some MIME parts do not get buttons,
802 as described by the variables `gnus-buttonized-mime-types' and
803 `gnus-unbuttonized-mime-types'."
805 :group 'gnus-article-mime
808 (defcustom gnus-body-boundary-delimiter "_"
809 "String used to delimit header and body.
810 This variable is used by `gnus-article-treat-body-boundary' which can
811 be controlled by `gnus-treat-body-boundary'."
813 :group 'gnus-article-various
814 :type '(choice (item :tag "None" :value nil)
817 (defcustom gnus-picon-databases '("/usr/lib/picon" "/usr/local/faces"
819 "Defines the location of the faces database.
820 For information on obtaining this database of pretty pictures, please
821 see http://www.cs.indiana.edu/picons/ftp/index.html"
823 :type '(repeat directory)
824 :link '(url-link :tag "download"
825 "http://www.cs.indiana.edu/picons/ftp/index.html")
826 :link '(custom-manual "(gnus)Picons")
829 (defun gnus-picons-installed-p ()
830 "Say whether picons are installed on your machine."
831 (let ((installed nil))
832 (dolist (database gnus-picon-databases)
833 (when (file-exists-p database)
837 (defcustom gnus-article-mime-part-function nil
838 "Function called with a MIME handle as the argument.
839 This is meant for people who want to do something automatic based
840 on parts -- for instance, adding Vcard info to a database."
841 :group 'gnus-article-mime
844 (defcustom gnus-mime-multipart-functions nil
845 "An alist of MIME types to functions to display them."
847 :group 'gnus-article-mime
848 :type '(repeat (cons :format "%v" (string :tag "MIME type") function)))
850 (defcustom gnus-article-date-lapsed-new-header nil
851 "Whether the X-Sent and Date headers can coexist.
852 When using `gnus-treat-date-lapsed', the \"X-Sent:\" header will
853 either replace the old \"Date:\" header (if this variable is nil), or
854 be added below it (otherwise)."
856 :group 'gnus-article-headers
859 (defcustom gnus-article-mime-match-handle-function 'undisplayed-alternative
860 "Function called with a MIME handle as the argument.
861 This is meant for people who want to view first matched part.
862 For `undisplayed-alternative' (default), the first undisplayed
863 part or alternative part is used. For `undisplayed', the first
864 undisplayed part is used. For a function, the first part which
865 the function return t is used. For nil, the first part is
868 :group 'gnus-article-mime
870 (item :tag "first" :value nil)
871 (item :tag "undisplayed" :value undisplayed)
872 (item :tag "undisplayed or alternative"
873 :value undisplayed-alternative)
876 (defcustom gnus-mime-action-alist
877 '(("save to file" . gnus-mime-save-part)
878 ("save and strip" . gnus-mime-save-part-and-strip)
879 ("delete part" . gnus-mime-delete-part)
880 ("display as text" . gnus-mime-inline-part)
881 ("view the part" . gnus-mime-view-part)
882 ("pipe to command" . gnus-mime-pipe-part)
883 ("toggle display" . gnus-article-press-button)
884 ("toggle display" . gnus-article-view-part-as-charset)
885 ("view as type" . gnus-mime-view-part-as-type)
886 ("view internally" . gnus-mime-view-part-internally)
887 ("view externally" . gnus-mime-view-part-externally))
888 "An alist of actions that run on the MIME attachment."
889 :group 'gnus-article-mime
890 :type '(repeat (cons (string :tag "name")
894 ;;; The treatment variables
897 (defvar gnus-part-display-hook nil
898 "Hook called on parts that are to receive treatment.")
900 (defvar gnus-article-treat-custom
901 '(choice (const :tag "Off" nil)
903 (const :tag "Header" head)
904 (const :tag "Last" last)
905 (const :tag "Mime" mime)
906 (integer :tag "Less")
907 (repeat :tag "Groups" regexp)
908 (sexp :tag "Predicate")))
910 (defvar gnus-article-treat-head-custom
911 '(choice (const :tag "Off" nil)
912 (const :tag "Header" head)))
914 (defvar gnus-article-treat-types '("text/plain")
917 (defvar gnus-inhibit-treatment nil
918 "Whether to inhibit treatment.")
920 (defcustom gnus-treat-highlight-signature '(or t (typep "text/x-vcard"))
921 "Highlight the signature.
922 Valid values are nil, t, `head', `last', an integer or a predicate.
923 See Info node `(gnus)Customizing Articles'."
924 :group 'gnus-article-treat
925 :link '(custom-manual "(gnus)Customizing Articles")
926 :type gnus-article-treat-custom)
927 (put 'gnus-treat-highlight-signature 'highlight t)
929 (defcustom gnus-treat-buttonize 100000
931 Valid values are nil, t, `head', `last', an integer or a predicate.
932 See Info node `(gnus)Customizing Articles'."
933 :group 'gnus-article-treat
934 :link '(custom-manual "(gnus)Customizing Articles")
935 :type gnus-article-treat-custom)
936 (put 'gnus-treat-buttonize 'highlight t)
938 (defcustom gnus-treat-buttonize-head 'head
939 "Add buttons to the head.
940 Valid values are nil, t, `head', `last', an integer or a predicate.
941 See Info node `(gnus)Customizing Articles' for details."
942 :group 'gnus-article-treat
943 :link '(custom-manual "(gnus)Customizing Articles")
944 :type gnus-article-treat-head-custom)
945 (put 'gnus-treat-buttonize-head 'highlight t)
947 (defcustom gnus-treat-emphasize
948 (and (or window-system
952 Valid values are nil, t, `head', `last', an integer or a predicate.
953 See Info node `(gnus)Customizing Articles' for details."
954 :group 'gnus-article-treat
955 :link '(custom-manual "(gnus)Customizing Articles")
956 :type gnus-article-treat-custom)
957 (put 'gnus-treat-emphasize 'highlight t)
959 (defcustom gnus-treat-strip-cr nil
960 "Remove carriage returns.
961 Valid values are nil, t, `head', `last', an integer or a predicate.
962 See Info node `(gnus)Customizing Articles' for details."
964 :group 'gnus-article-treat
965 :link '(custom-manual "(gnus)Customizing Articles")
966 :type gnus-article-treat-custom)
968 (defcustom gnus-treat-unsplit-urls nil
969 "Remove newlines from within URLs.
970 Valid values are nil, t, `head', `last', an integer or a predicate.
971 See Info node `(gnus)Customizing Articles' for details."
972 :group 'gnus-article-treat
973 :link '(custom-manual "(gnus)Customizing Articles")
974 :type gnus-article-treat-custom)
976 (defcustom gnus-treat-leading-whitespace nil
977 "Remove leading whitespace in headers.
978 Valid values are nil, t, `head', `last', an integer or a predicate.
979 See Info node `(gnus)Customizing Articles' for details."
981 :group 'gnus-article-treat
982 :link '(custom-manual "(gnus)Customizing Articles")
983 :type gnus-article-treat-custom)
985 (defcustom gnus-treat-hide-headers 'head
987 Valid values are nil, t, `head', `last', an integer or a predicate.
988 See Info node `(gnus)Customizing Articles' for details."
989 :group 'gnus-article-treat
990 :link '(custom-manual "(gnus)Customizing Articles")
991 :type gnus-article-treat-head-custom)
993 (defcustom gnus-treat-hide-boring-headers nil
994 "Hide boring headers.
995 Valid values are nil, t, `head', `last', an integer or a predicate.
996 See Info node `(gnus)Customizing Articles' for details."
997 :group 'gnus-article-treat
998 :link '(custom-manual "(gnus)Customizing Articles")
999 :type gnus-article-treat-head-custom)
1001 (defcustom gnus-treat-hide-signature nil
1002 "Hide the signature.
1003 Valid values are nil, t, `head', `last', an integer or a predicate.
1004 See Info node `(gnus)Customizing Articles' for details."
1005 :group 'gnus-article-treat
1006 :link '(custom-manual "(gnus)Customizing Articles")
1007 :type gnus-article-treat-custom)
1009 (defcustom gnus-treat-fill-article nil
1011 Valid values are nil, t, `head', `last', an integer or a predicate.
1012 See Info node `(gnus)Customizing Articles' for details."
1013 :group 'gnus-article-treat
1014 :link '(custom-manual "(gnus)Customizing Articles")
1015 :type gnus-article-treat-custom)
1017 (defcustom gnus-treat-hide-citation nil
1019 Valid values are nil, t, `head', `last', an integer or a predicate.
1020 See Info node `(gnus)Customizing Articles' for details."
1021 :group 'gnus-article-treat
1022 :link '(custom-manual "(gnus)Customizing Articles")
1023 :type gnus-article-treat-custom)
1025 (defcustom gnus-treat-hide-citation-maybe nil
1027 Valid values are nil, t, `head', `last', an integer or a predicate.
1028 See Info node `(gnus)Customizing Articles' for details."
1029 :group 'gnus-article-treat
1030 :link '(custom-manual "(gnus)Customizing Articles")
1031 :type gnus-article-treat-custom)
1033 (defcustom gnus-treat-strip-list-identifiers 'head
1034 "Strip list identifiers from `gnus-list-identifiers`.
1035 Valid values are nil, t, `head', `last', an integer or a predicate.
1036 See Info node `(gnus)Customizing Articles' for details."
1038 :group 'gnus-article-treat
1039 :link '(custom-manual "(gnus)Customizing Articles")
1040 :type gnus-article-treat-custom)
1042 (make-obsolete-variable 'gnus-treat-strip-pgp
1043 "This option is obsolete in Gnus 5.10.")
1045 (defcustom gnus-treat-strip-pem nil
1046 "Strip PEM signatures.
1047 Valid values are nil, t, `head', `last', an integer or a predicate.
1048 See Info node `(gnus)Customizing Articles' for details."
1049 :group 'gnus-article-treat
1050 :link '(custom-manual "(gnus)Customizing Articles")
1051 :type gnus-article-treat-custom)
1053 (defcustom gnus-treat-strip-banner t
1054 "Strip banners from articles.
1055 The banner to be stripped is specified in the `banner' group parameter.
1056 Valid values are nil, t, `head', `last', an integer or a predicate.
1057 See Info node `(gnus)Customizing Articles' for details."
1058 :group 'gnus-article-treat
1059 :link '(custom-manual "(gnus)Customizing Articles")
1060 :type gnus-article-treat-custom)
1062 (defcustom gnus-treat-highlight-headers 'head
1063 "Highlight the headers.
1064 Valid values are nil, t, `head', `last', an integer or a predicate.
1065 See Info node `(gnus)Customizing Articles' for details."
1066 :group 'gnus-article-treat
1067 :link '(custom-manual "(gnus)Customizing Articles")
1068 :type gnus-article-treat-head-custom)
1069 (put 'gnus-treat-highlight-headers 'highlight t)
1071 (defcustom gnus-treat-highlight-citation t
1072 "Highlight cited text.
1073 Valid values are nil, t, `head', `last', an integer or a predicate.
1074 See Info node `(gnus)Customizing Articles' for details."
1075 :group 'gnus-article-treat
1076 :link '(custom-manual "(gnus)Customizing Articles")
1077 :type gnus-article-treat-custom)
1078 (put 'gnus-treat-highlight-citation 'highlight t)
1080 (defcustom gnus-treat-date-ut nil
1081 "Display the Date in UT (GMT).
1082 Valid values are nil, t, `head', `last', an integer or a predicate.
1083 See Info node `(gnus)Customizing Articles' for details."
1084 :group 'gnus-article-treat
1085 :link '(custom-manual "(gnus)Customizing Articles")
1086 :type gnus-article-treat-head-custom)
1088 (defcustom gnus-treat-date-local nil
1089 "Display the Date in the local timezone.
1090 Valid values are nil, t, `head', `last', an integer or a predicate.
1091 See Info node `(gnus)Customizing Articles' for details."
1092 :group 'gnus-article-treat
1093 :link '(custom-manual "(gnus)Customizing Articles")
1094 :type gnus-article-treat-head-custom)
1096 (defcustom gnus-treat-date-english nil
1097 "Display the Date in a format that can be read aloud in English.
1098 Valid values are nil, t, `head', `last', an integer or a predicate.
1099 See Info node `(gnus)Customizing Articles' for details."
1101 :group 'gnus-article-treat
1102 :link '(custom-manual "(gnus)Customizing Articles")
1103 :type gnus-article-treat-head-custom)
1105 (defcustom gnus-treat-date-lapsed nil
1106 "Display the Date header in a way that says how much time has elapsed.
1107 Valid values are nil, t, `head', `last', an integer or a predicate.
1108 See Info node `(gnus)Customizing Articles' for details."
1109 :group 'gnus-article-treat
1110 :link '(custom-manual "(gnus)Customizing Articles")
1111 :type gnus-article-treat-head-custom)
1113 (defcustom gnus-treat-date-original nil
1114 "Display the date in the original timezone.
1115 Valid values are nil, t, `head', `last', an integer or a predicate.
1116 See Info node `(gnus)Customizing Articles' for details."
1117 :group 'gnus-article-treat
1118 :link '(custom-manual "(gnus)Customizing Articles")
1119 :type gnus-article-treat-head-custom)
1121 (defcustom gnus-treat-date-iso8601 nil
1122 "Display the date in the ISO8601 format.
1123 Valid values are nil, t, `head', `last', an integer or a predicate.
1124 See Info node `(gnus)Customizing Articles' for details."
1126 :group 'gnus-article-treat
1127 :link '(custom-manual "(gnus)Customizing Articles")
1128 :type gnus-article-treat-head-custom)
1130 (defcustom gnus-treat-date-user-defined nil
1131 "Display the date in a user-defined format.
1132 The format is defined by the `gnus-article-time-format' variable.
1133 Valid values are nil, t, `head', `last', an integer or a predicate.
1134 See Info node `(gnus)Customizing Articles' for details."
1135 :group 'gnus-article-treat
1136 :link '(custom-manual "(gnus)Customizing Articles")
1137 :type gnus-article-treat-head-custom)
1139 (defcustom gnus-treat-strip-headers-in-body t
1140 "Strip the X-No-Archive header line from the beginning of the body.
1141 Valid values are nil, t, `head', `last', an integer or a predicate.
1142 See Info node `(gnus)Customizing Articles' for details."
1144 :group 'gnus-article-treat
1145 :link '(custom-manual "(gnus)Customizing Articles")
1146 :type gnus-article-treat-custom)
1148 (defcustom gnus-treat-strip-trailing-blank-lines nil
1149 "Strip trailing blank lines.
1150 Valid values are nil, t, `head', `last', an integer or a predicate.
1151 See Info node `(gnus)Customizing Articles' for details."
1152 :group 'gnus-article-treat
1153 :link '(custom-manual "(gnus)Customizing Articles")
1154 :type gnus-article-treat-custom)
1156 (defcustom gnus-treat-strip-leading-blank-lines nil
1157 "Strip leading blank lines.
1158 Valid values are nil, t, `head', `last', an integer or a predicate.
1159 See Info node `(gnus)Customizing Articles' for details."
1160 :group 'gnus-article-treat
1161 :link '(custom-manual "(gnus)Customizing Articles")
1162 :type gnus-article-treat-custom)
1164 (defcustom gnus-treat-strip-multiple-blank-lines nil
1165 "Strip multiple blank lines.
1166 Valid values are nil, t, `head', `last', an integer or a predicate.
1167 See Info node `(gnus)Customizing Articles' for details."
1168 :group 'gnus-article-treat
1169 :link '(custom-manual "(gnus)Customizing Articles")
1170 :type gnus-article-treat-custom)
1172 (defcustom gnus-treat-unfold-headers 'head
1173 "Unfold folded header lines.
1174 Valid values are nil, t, `head', `last', an integer or a predicate.
1175 See Info node `(gnus)Customizing Articles' for details."
1176 :group 'gnus-article-treat
1177 :link '(custom-manual "(gnus)Customizing Articles")
1178 :type gnus-article-treat-custom)
1180 (defcustom gnus-treat-fold-headers nil
1182 Valid values are nil, t, `head', `last', an integer or a predicate.
1183 See Info node `(gnus)Customizing Articles' for details."
1185 :group 'gnus-article-treat
1186 :link '(custom-manual "(gnus)Customizing Articles")
1187 :type gnus-article-treat-custom)
1189 (defcustom gnus-treat-fold-newsgroups 'head
1190 "Fold the Newsgroups and Followup-To headers.
1191 Valid values are nil, t, `head', `last', an integer or a predicate.
1192 See Info node `(gnus)Customizing Articles' for details."
1194 :group 'gnus-article-treat
1195 :link '(custom-manual "(gnus)Customizing Articles")
1196 :type gnus-article-treat-custom)
1198 (defcustom gnus-treat-overstrike t
1199 "Treat overstrike highlighting.
1200 Valid values are nil, t, `head', `last', an integer or a predicate.
1201 See Info node `(gnus)Customizing Articles' for details."
1202 :group 'gnus-article-treat
1203 :link '(custom-manual "(gnus)Customizing Articles")
1204 :type gnus-article-treat-custom)
1205 (put 'gnus-treat-overstrike 'highlight t)
1207 (defcustom gnus-treat-ansi-sequences (if (locate-library "ansi-color") t)
1208 "Treat ANSI SGR control sequences.
1209 Valid values are nil, t, `head', `last', an integer or a predicate.
1210 See Info node `(gnus)Customizing Articles' for details."
1211 :group 'gnus-article-treat
1212 :link '(custom-manual "(gnus)Customizing Articles")
1213 :type gnus-article-treat-custom)
1215 (make-obsolete-variable 'gnus-treat-display-xface
1216 'gnus-treat-display-x-face)
1218 (defcustom gnus-treat-display-x-face
1219 (and (not noninteractive)
1220 (or (eq gnus-article-x-face-command
1221 'x-face-mule-gnus-article-display-x-face)
1222 (and (fboundp 'image-type-available-p)
1223 (image-type-available-p 'xbm)
1224 (string-match "^0x" (shell-command-to-string "uncompface"))
1225 (executable-find "icontopbm"))
1226 (and (featurep 'xemacs)
1229 "Display X-Face headers.
1230 Valid values are nil, t, `head', `last', an integer or a predicate.
1231 See Info node `(gnus)Customizing Articles' and Info node
1232 `(gnus)X-Face' for details."
1233 :group 'gnus-article-treat
1235 :link '(custom-manual "(gnus)Customizing Articles")
1236 :link '(custom-manual "(gnus)X-Face")
1237 :type gnus-article-treat-head-custom
1238 :set (lambda (symbol value)
1241 (cond ((or (boundp symbol) (get symbol 'saved-value))
1243 ((boundp 'gnus-treat-display-xface)
1245 ** gnus-treat-display-xface is an obsolete variable;\
1246 use gnus-treat-display-x-face instead")
1247 (default-value 'gnus-treat-display-xface))
1248 ((get 'gnus-treat-display-xface 'saved-value)
1250 ** gnus-treat-display-xface is an obsolete variable;\
1251 use gnus-treat-display-x-face instead")
1252 (eval (car (get 'gnus-treat-display-xface 'saved-value))))
1255 (put 'gnus-treat-display-x-face 'highlight t)
1257 (defcustom gnus-article-should-use-smiley-mule
1258 (not (or (featurep 'xemacs)
1259 (gnus-image-type-available-p 'xpm)
1260 (gnus-image-type-available-p 'pbm)))
1261 "Non-nil means use `smiley-mule' to show smileys rather than `smiley'.
1262 `smiley-mule' is boundled in BITMAP-MULE package. You can set it to t
1263 even if your Emacs supports images. It has no effect on XEmacs."
1264 :group 'gnus-article-various
1266 :get (lambda (symbol)
1267 (and (not noninteractive)
1268 (default-value symbol)
1269 (not (featurep 'xemacs))
1270 (module-installed-p 'smiley-mule)
1272 :set (lambda (symbol value)
1273 (set-default symbol (and (not noninteractive)
1275 (not (featurep 'xemacs))
1276 (module-installed-p 'smiley-mule)
1279 (defvar gnus-article-smiley-mule-loaded-p nil
1280 "Internal variable used to say whether `smiley-mule' is loaded (whether
1281 smiley functions are not overridden by `smiley').")
1283 (defcustom gnus-treat-display-face
1284 (and (not noninteractive)
1285 (or (and (fboundp 'image-type-available-p)
1286 (image-type-available-p 'png))
1287 (and (featurep 'xemacs)
1290 "Display Face headers.
1291 Valid values are nil, t, `head', `last', an integer or a predicate.
1292 See Info node `(gnus)Customizing Articles' and Info node
1293 `(gnus)X-Face' for details."
1294 :group 'gnus-article-treat
1296 :link '(custom-manual "(gnus)Customizing Articles")
1297 :link '(custom-manual "(gnus)X-Face")
1298 :type gnus-article-treat-head-custom)
1299 (put 'gnus-treat-display-face 'highlight t)
1301 (defcustom gnus-treat-display-smileys
1302 (if (and (not noninteractive)
1303 (or (and (featurep 'xemacs)
1305 (gnus-image-type-available-p 'xpm)
1306 (gnus-image-type-available-p 'pbm)
1307 (and (not (featurep 'xemacs))
1309 (module-installed-p 'smiley-mule))))
1313 Valid values are nil, t, `head', `last', an integer or a predicate.
1314 See Info node `(gnus)Customizing Articles' and Info node
1315 `(gnus)Smileys' for details."
1316 :group 'gnus-article-treat
1318 :link '(custom-manual "(gnus)Customizing Articles")
1319 :link '(custom-manual "(gnus)Smileys")
1320 :type gnus-article-treat-custom)
1321 (put 'gnus-treat-display-smileys 'highlight t)
1323 (defcustom gnus-treat-from-picon
1324 (if (and (gnus-image-type-available-p 'xpm)
1325 (gnus-picons-installed-p))
1327 "Display picons in the From header.
1328 Valid values are nil, t, `head', `last', an integer or a predicate.
1329 See Info node `(gnus)Customizing Articles' and Info node
1330 `(gnus)Picons' for details."
1331 :group 'gnus-article-treat
1333 :link '(custom-manual "(gnus)Customizing Articles")
1334 :link '(custom-manual "(gnus)Picons")
1335 :type gnus-article-treat-head-custom)
1336 (put 'gnus-treat-from-picon 'highlight t)
1338 (defcustom gnus-treat-mail-picon
1339 (if (and (gnus-image-type-available-p 'xpm)
1340 (gnus-picons-installed-p))
1342 "Display picons in To and Cc headers.
1343 Valid values are nil, t, `head', `last', an integer or a predicate.
1344 See Info node `(gnus)Customizing Articles' and Info node
1345 `(gnus)Picons' for details."
1346 :group 'gnus-article-treat
1348 :link '(custom-manual "(gnus)Customizing Articles")
1349 :link '(custom-manual "(gnus)Picons")
1350 :type gnus-article-treat-head-custom)
1351 (put 'gnus-treat-mail-picon 'highlight t)
1353 (defcustom gnus-treat-newsgroups-picon
1354 (if (and (gnus-image-type-available-p 'xpm)
1355 (gnus-picons-installed-p))
1357 "Display picons in the Newsgroups and Followup-To headers.
1358 Valid values are nil, t, `head', `last', an integer or a predicate.
1359 See Info node `(gnus)Customizing Articles' and Info node
1360 `(gnus)Picons' for details."
1362 :group 'gnus-article-treat
1364 :link '(custom-manual "(gnus)Customizing Articles")
1365 :link '(custom-manual "(gnus)Picons")
1366 :type gnus-article-treat-head-custom)
1367 (put 'gnus-treat-newsgroups-picon 'highlight t)
1369 (defcustom gnus-treat-body-boundary
1370 (if (or gnus-treat-newsgroups-picon
1371 gnus-treat-mail-picon
1372 gnus-treat-from-picon)
1374 "Draw a boundary at the end of the headers.
1375 Valid values are nil and `head'.
1376 See Info node `(gnus)Customizing Articles' for details."
1378 :group 'gnus-article-treat
1379 :link '(custom-manual "(gnus)Customizing Articles")
1380 :type gnus-article-treat-head-custom)
1382 (defcustom gnus-treat-capitalize-sentences nil
1383 "Capitalize sentence-starting words.
1384 Valid values are nil, t, `head', `last', an integer or a predicate.
1385 See Info node `(gnus)Customizing Articles' for details."
1387 :group 'gnus-article-treat
1388 :link '(custom-manual "(gnus)Customizing Articles")
1389 :type gnus-article-treat-custom)
1391 (defcustom gnus-treat-wash-html nil
1393 Valid values are nil, t, `head', `last', an integer or a predicate.
1394 See Info node `(gnus)Customizing Articles' for details."
1396 :group 'gnus-article-treat
1397 :link '(custom-manual "(gnus)Customizing Articles")
1398 :type gnus-article-treat-custom)
1400 (defcustom gnus-treat-fill-long-lines nil
1402 Valid values are nil, t, `head', `last', an integer or a predicate.
1403 See Info node `(gnus)Customizing Articles' for details."
1404 :group 'gnus-article-treat
1405 :link '(custom-manual "(gnus)Customizing Articles")
1406 :type gnus-article-treat-custom)
1408 (defcustom gnus-treat-play-sounds nil
1410 Valid values are nil, t, `head', `last', an integer or a predicate.
1411 See Info node `(gnus)Customizing Articles' for details."
1413 :group 'gnus-article-treat
1414 :link '(custom-manual "(gnus)Customizing Articles")
1415 :type gnus-article-treat-custom)
1417 (defcustom gnus-treat-decode-article-as-default-mime-charset nil
1418 "Decode an article as `default-mime-charset'. For instance, if you want to
1419 attempt to decode an article even if the value of `gnus-show-mime' is nil,
1420 you could set this variable to something like: nil for don't decode, t for
1421 decode the body, '(or header t) for the whole article, etc."
1422 :group 'gnus-article-treat
1423 :type '(radio (const :tag "Off" nil)
1424 (const :tag "Decode body" t)
1425 (const :tag "Decode all" (or head t))))
1427 (defcustom gnus-treat-translate nil
1428 "Translate articles from one language to another.
1429 Valid values are nil, t, `head', `last', an integer or a predicate.
1430 See Info node `(gnus)Customizing Articles' for details."
1432 :group 'gnus-article-treat
1433 :link '(custom-manual "(gnus)Customizing Articles")
1434 :type gnus-article-treat-custom)
1436 (defcustom gnus-treat-x-pgp-sig nil
1438 To automatically treat X-PGP-Sig, set it to head.
1439 Valid values are nil, t, `head', `last', an integer or a predicate.
1440 See Info node `(gnus)Customizing Articles' for details."
1441 :group 'gnus-article-treat
1442 :group 'mime-security
1443 :type gnus-article-treat-custom)
1445 (defcustom gnus-treat-monafy nil
1446 "Display body part with mona font.
1447 Valid values are nil, t, `head', `last', an integer or a predicate.
1448 See Info node `(gnus)Customizing Articles' for details."
1449 :group 'gnus-article-treat
1450 :group 'mime-security
1451 :link '(custom-manual "(gnus)Customizing Articles")
1452 :type gnus-article-treat-custom)
1454 (defvar gnus-article-encrypt-protocol-alist
1455 '(("PGP" . mml2015-self-encrypt)))
1457 ;; Set to nil if more than one protocol added to
1458 ;; gnus-article-encrypt-protocol-alist.
1459 (defcustom gnus-article-encrypt-protocol "PGP"
1460 "The protocol used for encrypt articles.
1461 It is a string, such as \"PGP\". If nil, ask user."
1464 :group 'mime-security)
1466 (defvar gnus-article-wash-function nil
1467 "Function used for converting HTML into text.")
1469 (defcustom gnus-use-idna (and (condition-case nil (require 'idna) (file-error))
1470 (mm-coding-system-p 'utf-8)
1471 (executable-find idna-program))
1472 "Whether IDNA decoding of headers is used when viewing messages.
1473 This requires GNU Libidn, and by default only enabled if it is found."
1475 :group 'gnus-article-headers
1478 (defcustom gnus-article-over-scroll nil
1479 "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 ((inhibit-read-only t)
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 ((inhibit-read-only t))
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
1699 (let ((inhibit-read-only t)
1700 (case-fold-search t)
1701 (max (1+ (length gnus-sorted-header-list)))
1702 (inhibit-point-motion-hooks t)
1703 (cur (current-buffer))
1704 ignored visible beg)
1706 ;; `gnus-ignored-headers' and `gnus-visible-headers' may be
1707 ;; group parameters, so we should go to the summary buffer.
1710 (progn (set-buffer gnus-summary-buffer) t)
1712 (setq ignored (when (not gnus-visible-headers)
1713 (cond ((stringp gnus-ignored-headers)
1714 gnus-ignored-headers)
1715 ((listp gnus-ignored-headers)
1716 (mapconcat 'identity
1717 gnus-ignored-headers
1719 visible (cond ((stringp gnus-visible-headers)
1720 gnus-visible-headers)
1721 ((and gnus-visible-headers
1722 (listp gnus-visible-headers))
1723 (mapconcat 'identity
1724 gnus-visible-headers
1728 ;; First we narrow to just the headers.
1729 (article-narrow-to-head)
1730 ;; Hide any "From " lines at the beginning of (mail) articles.
1731 (while (looking-at "From ")
1735 (delete-region (point-min) (point))
1736 (gnus-article-hide-text (point-min) (point)
1737 (nconc (list 'article-type 'headers)
1738 gnus-hidden-properties))))
1739 ;; Then treat the rest of the header lines.
1740 ;; Then we use the two regular expressions
1741 ;; `gnus-ignored-headers' and `gnus-visible-headers' to
1742 ;; select which header lines is to remain visible in the
1744 (while (re-search-forward "^[^ \t:]*:" nil t)
1746 ;; Mark the rank of the header.
1748 (point) (1+ (point)) 'message-rank
1749 (if (or (and visible (looking-at visible))
1751 (not (looking-at ignored))))
1752 (gnus-article-header-rank)
1755 (message-sort-headers-1)
1756 (when (setq beg (text-property-any
1757 (point-min) (point-max) 'message-rank (+ 2 max)))
1758 ;; We delete or make invisible the unwanted headers.
1759 (gnus-add-wash-type 'headers)
1762 (add-text-properties
1763 (point-min) (+ 5 (point-min))
1764 '(article-type headers dummy-invisible t))
1765 (delete-region beg (point-max)))
1766 (gnus-article-hide-text-type beg (point-max) 'headers)))))))))
1768 (defun article-hide-boring-headers (&optional arg)
1769 "Toggle hiding of headers that aren't very interesting.
1770 If given a negative prefix, always show; if given a positive prefix,
1772 (interactive (gnus-article-hidden-arg))
1773 (when (and (not (gnus-article-check-hidden-text 'boring-headers arg))
1774 (not gnus-show-all-headers))
1777 (let ((inhibit-read-only t)
1778 (list gnus-boring-article-headers)
1779 (inhibit-point-motion-hooks t)
1781 (article-narrow-to-head)
1783 (setq elem (pop list))
1784 (goto-char (point-min))
1786 ;; Hide empty headers.
1788 (while (re-search-forward "^[^: \t]+:[ \t]*\n[^ \t]" nil t)
1790 (gnus-article-hide-text-type
1794 (if (re-search-forward "^[^ \t]" nil t)
1798 ;; Hide boring Newsgroups header.
1799 ((eq elem 'newsgroups)
1800 (when (gnus-string-equal
1801 (gnus-fetch-field "newsgroups")
1802 (gnus-group-real-name
1803 (if (boundp 'gnus-newsgroup-name)
1806 (gnus-article-hide-header "newsgroups")))
1807 ((eq elem 'to-address)
1808 (let ((to (message-fetch-field "to"))
1810 (gnus-parameter-to-address
1811 (if (boundp 'gnus-newsgroup-name)
1812 gnus-newsgroup-name ""))))
1813 (when (and to to-address
1816 ;; only one address in To
1817 (nth 1 (mail-extract-address-components to))
1819 (gnus-article-hide-header "to"))))
1821 (let ((to (message-fetch-field "to"))
1823 (gnus-parameter-to-list
1824 (if (boundp 'gnus-newsgroup-name)
1825 gnus-newsgroup-name ""))))
1826 (when (and to to-list
1829 ;; only one address in To
1830 (nth 1 (mail-extract-address-components to))
1832 (gnus-article-hide-header "to"))))
1834 (let ((cc (message-fetch-field "cc"))
1836 (gnus-parameter-to-list
1837 (if (boundp 'gnus-newsgroup-name)
1838 gnus-newsgroup-name ""))))
1839 (when (and cc to-list
1842 ;; only one address in CC
1843 (nth 1 (mail-extract-address-components cc))
1845 (gnus-article-hide-header "cc"))))
1846 ((eq elem 'followup-to)
1847 (when (gnus-string-equal
1848 (message-fetch-field "followup-to")
1849 (message-fetch-field "newsgroups"))
1850 (gnus-article-hide-header "followup-to")))
1851 ((eq elem 'reply-to)
1852 (if (gnus-group-find-parameter
1853 gnus-newsgroup-name 'broken-reply-to)
1854 (gnus-article-hide-header "reply-to")
1855 (let ((from (message-fetch-field "from"))
1856 (reply-to (message-fetch-field "reply-to")))
1863 (lambda (x) (downcase (cadr x)))
1864 (mail-extract-address-components from t))
1867 (lambda (x) (downcase (cadr x)))
1868 (mail-extract-address-components reply-to t))
1870 (gnus-article-hide-header "reply-to")))))
1872 (let ((date (message-fetch-field "date")))
1874 (< (days-between (current-time-string) date)
1876 (gnus-article-hide-header "date"))))
1878 (let ((to (message-fetch-field "to"))
1879 (cc (message-fetch-field "cc")))
1880 (when (> (length to) 1024)
1881 (gnus-article-hide-header "to"))
1882 (when (> (length cc) 1024)
1883 (gnus-article-hide-header "cc"))))
1887 (goto-char (point-min))
1888 (while (re-search-forward "^to:" nil t)
1889 (setq to-count (1+ to-count)))
1890 (when (> to-count 1)
1891 (while (> to-count 0)
1892 (goto-char (point-min))
1894 (re-search-forward "^to:" nil nil to-count)
1896 (narrow-to-region (point) (point-max))
1897 (gnus-article-hide-header "to"))
1898 (setq to-count (1- to-count))))
1899 (goto-char (point-min))
1900 (while (re-search-forward "^cc:" nil t)
1901 (setq cc-count (1+ cc-count)))
1902 (when (> cc-count 1)
1903 (while (> cc-count 0)
1904 (goto-char (point-min))
1906 (re-search-forward "^cc:" nil nil cc-count)
1908 (narrow-to-region (point) (point-max))
1909 (gnus-article-hide-header "cc"))
1910 (setq cc-count (1- cc-count)))))))))))))
1912 (defun gnus-article-hide-header (header)
1914 (goto-char (point-min))
1915 (when (re-search-forward (concat "^" header ":") nil t)
1916 (gnus-article-hide-text-type
1920 (if (re-search-forward "^[^ \t]" nil t)
1925 (defvar gnus-article-normalized-header-length 40
1926 "Length of normalized headers.")
1928 (defun article-normalize-headers ()
1929 "Make all header lines 40 characters long."
1931 (let ((inhibit-read-only t)
1935 (article-narrow-to-head)
1938 ((< (setq column (- (point-at-eol) (point)))
1939 gnus-article-normalized-header-length)
1941 (insert (make-string
1942 (- gnus-article-normalized-header-length column)
1944 ((> column gnus-article-normalized-header-length)
1945 (gnus-put-text-property
1947 (forward-char gnus-article-normalized-header-length)
1954 (forward-line 1))))))
1956 (defun article-treat-dumbquotes ()
1957 "Translate M****s*** sm*rtq**t*s and other symbols into proper text.
1958 Note that this function guesses whether a character is a sm*rtq**t* or
1959 not, so it should only be used interactively.
1961 Sm*rtq**t*s are M****s***'s unilateral extension to the
1962 iso-8859-1 character map in an attempt to provide more quoting
1963 characters. If you see something like \\222 or \\264 where
1964 you're expecting some kind of apostrophe or quotation mark, then
1967 (article-translate-strings gnus-article-dumbquotes-map))
1969 (defun article-translate-characters (from to)
1970 "Translate all characters in the body of the article according to FROM and TO.
1971 FROM is a string of characters to translate from; to is a string of
1972 characters to translate to."
1974 (when (article-goto-body)
1975 (let ((inhibit-read-only t)
1976 (x (make-string 225 ?x))
1978 (while (< (incf i) (length x))
1981 (while (< i (length from))
1982 (aset x (aref from i) (aref to i))
1984 (translate-region (point) (point-max) x)))))
1986 (defun article-translate-strings (map)
1987 "Translate all string in the body of the article according to MAP.
1988 MAP is an alist where the elements are on the form (\"from\" \"to\")."
1990 (when (article-goto-body)
1991 (let ((inhibit-read-only t)
1993 (while (setq elem (pop map))
1995 (while (search-forward (car elem) nil t)
1996 (replace-match (cadr elem)))))))))
1998 (defun article-treat-overstrike ()
1999 "Translate overstrikes into bold text."
2002 (when (article-goto-body)
2003 (let ((inhibit-read-only t))
2004 (while (search-forward "\b" nil t)
2005 (let ((next (char-after))
2009 previous (char-after))
2013 ;; We do the boldification/underlining by hiding the
2014 ;; overstrikes and putting the proper text property
2018 (gnus-article-hide-text-type start (point) 'overstrike)
2019 (put-text-property (point) end 'face 'bold))
2021 (gnus-article-hide-text-type
2022 (1- (point)) (1+ (point)) 'overstrike)
2024 start (1- (point)) 'face 'underline))
2026 (gnus-article-hide-text-type start (point) 'overstrike)
2028 (point) end 'face 'underline)))))))))
2030 (defun article-treat-ansi-sequences ()
2031 "Translate ANSI SGR control sequences into overlays or extents."
2034 (when (article-goto-body)
2035 (let ((inhibit-read-only t))
2036 (ansi-color-apply-on-region (point) (point-max))))))
2038 (defun gnus-article-treat-unfold-headers ()
2039 "Unfold folded message headers.
2040 Only the headers that fit into the current window width will be
2043 (gnus-with-article-headers
2047 (mail-header-narrow-to-field)
2048 (let ((header (buffer-string)))
2051 (goto-char (point-min))
2052 (while (re-search-forward "\n[\t ]" nil t)
2053 (replace-match " " t t)))
2054 (setq length (- (point-max) (point-min) 1)))
2055 (when (< length (window-width))
2056 (while (re-search-forward "\n[\t ]" nil t)
2057 (replace-match " " t t)))
2058 (goto-char (point-max)))))))
2060 (defun gnus-article-treat-fold-headers ()
2061 "Fold message headers."
2063 (gnus-with-article-headers
2066 (mail-header-narrow-to-field)
2067 (mail-header-fold-field)
2068 (goto-char (point-max))))))
2070 (defun gnus-treat-smiley ()
2071 "Toggle display of textual emoticons (\"smileys\") as small graphical icons."
2073 (unless (featurep 'xemacs)
2074 (when (and (not gnus-article-should-use-smiley-mule)
2075 gnus-article-smiley-mule-loaded-p)
2076 (load "smiley" nil t)
2077 (setq gnus-article-smiley-mule-loaded-p nil))
2078 (when (and gnus-article-should-use-smiley-mule
2079 (not gnus-article-smiley-mule-loaded-p))
2080 (load "smiley-mule" nil t)
2081 (setq gnus-article-smiley-mule-loaded-p t)))
2082 (gnus-with-article-buffer
2083 (if (memq 'smiley gnus-article-wash-types)
2084 (gnus-delete-images 'smiley)
2086 (let ((images (smiley-region (point) (point-max))))
2088 (gnus-add-wash-type 'smiley)
2089 (dolist (image images)
2090 (gnus-add-image 'smiley image)))))))
2092 (defun gnus-article-remove-images ()
2093 "Remove all images from the article buffer."
2095 (gnus-with-article-buffer
2096 (dolist (elem gnus-article-image-alist)
2097 (gnus-delete-images (car elem)))))
2099 (defun gnus-article-treat-fold-newsgroups ()
2100 "Unfold folded message headers.
2101 Only the headers that fit into the current window width will be
2104 (gnus-with-article-headers
2105 (while (gnus-article-goto-header "newsgroups\\|followup-to")
2107 (mail-header-narrow-to-field)
2108 (while (re-search-forward ", *" nil t)
2109 (replace-match ", " t t))
2110 (mail-header-fold-field)
2111 (goto-char (point-max))))))
2113 (defun gnus-article-treat-body-boundary ()
2114 "Place a boundary line at the end of the headers."
2116 (when (and gnus-body-boundary-delimiter
2117 (> (length gnus-body-boundary-delimiter) 0))
2118 (gnus-with-article-headers
2119 (goto-char (point-max))
2120 (let ((start (point)))
2121 (insert "X-Boundary: ")
2122 (gnus-add-text-properties start (point) '(invisible t intangible t))
2124 (while (>= (1- (window-width)) (length str))
2125 (setq str (concat str gnus-body-boundary-delimiter)))
2126 (substring str 0 (1- (window-width))))
2128 (gnus-put-text-property start (point) 'gnus-decoration 'header)))))
2130 (defun article-fill-long-lines ()
2131 "Fill lines that are wider than the window width."
2134 (let ((inhibit-read-only t)
2135 (width (window-width (get-buffer-window (current-buffer)))))
2138 (let ((adaptive-fill-mode nil)) ;Why? -sm
2141 (when (>= (current-column) (min fill-column width))
2142 (narrow-to-region (min (1+ (point)) (point-max))
2144 (let ((goback (point-marker)))
2145 (fill-paragraph nil)
2146 (goto-char (marker-position goback)))
2148 (forward-line 1)))))))
2150 (defun article-capitalize-sentences ()
2151 "Capitalize the first word in each sentence."
2154 (let ((inhibit-read-only t)
2155 (paragraph-start "^[\n\^L]"))
2159 (forward-sentence)))))
2161 (defun article-remove-cr ()
2162 "Remove trailing CRs and then translate remaining CRs into LFs."
2165 (let ((inhibit-read-only t))
2166 (goto-char (point-min))
2167 (while (re-search-forward "\r+$" nil t)
2168 (replace-match "" t t))
2169 (goto-char (point-min))
2170 (while (search-forward "\r" nil t)
2171 (replace-match "\n" t t)))))
2173 (defun article-remove-trailing-blank-lines ()
2174 "Remove all trailing blank lines from the article."
2177 (let ((inhibit-read-only t))
2178 (goto-char (point-max))
2182 (while (and (not (bobp))
2183 (looking-at "^[ \t]*$")
2184 (not (gnus-annotation-in-region-p
2185 (point) (point-at-eol))))
2191 (defvar gnus-face-properties-alist))
2193 (defun article-display-face ()
2194 "Display any Face headers in the header."
2196 (let ((wash-face-p buffer-read-only))
2197 (gnus-with-article-headers
2198 ;; When displaying parts, this function can be called several times on
2199 ;; the same article, without any intended toggle semantic (as typing `W
2200 ;; D d' would have). So face deletion must occur only when we come from
2201 ;; an interactive command, that is when the *Article* buffer is
2203 (if (and wash-face-p (memq 'face gnus-article-wash-types))
2204 (gnus-delete-images 'face)
2207 (when (and wash-face-p
2209 (goto-char (point-min))
2210 (not (re-search-forward "^Face:[\t ]*" nil t)))
2211 (gnus-buffer-live-p gnus-original-article-buffer))
2212 (set-buffer gnus-original-article-buffer))
2214 (mail-narrow-to-head)
2215 (while (gnus-article-goto-header "Face")
2216 (setq faces (nconc faces (list (mail-header-field-value)))))))
2217 (while (setq face (pop faces))
2218 (let ((png (gnus-convert-face-to-png face))
2222 (apply 'gnus-create-image png 'png t
2223 (cdr (assq 'png gnus-face-properties-alist))))
2224 (gnus-article-goto-header "from")
2226 (insert "From: [no `from' set]\n")
2228 (gnus-add-wash-type 'face)
2229 (gnus-add-image 'face image)
2230 (gnus-put-image image nil 'face))))))
2233 (defun article-display-x-face (&optional force)
2234 "Look for an X-Face header and display it if present."
2235 (interactive (list 'force))
2236 (let ((wash-face-p buffer-read-only)) ;; When type `W f'
2237 (gnus-with-article-headers
2238 ;; Delete the old process, if any.
2239 (when (process-status "article-x-face")
2240 (delete-process "article-x-face"))
2241 ;; See the comment in `article-display-face'.
2242 (if (and wash-face-p (memq 'xface gnus-article-wash-types))
2243 ;; We have already displayed X-Faces, so we remove them
2245 (gnus-delete-images 'xface)
2247 (let (x-faces from face)
2249 (when (and wash-face-p
2251 (goto-char (point-min))
2252 (not (re-search-forward
2253 "^X-Face\\(-[0-9]+\\)?:[\t ]*" nil t)))
2254 (gnus-buffer-live-p gnus-original-article-buffer))
2255 ;; If type `W f', use gnus-original-article-buffer,
2256 ;; otherwise use the current buffer because displaying
2257 ;; RFC822 parts calls this function too.
2258 (set-buffer gnus-original-article-buffer))
2260 (mail-narrow-to-head)
2261 (while (gnus-article-goto-header "X-Face")
2262 (push (mail-header-field-value) x-faces))
2263 (setq from (message-fetch-field "from"))))
2264 ;; Sending multiple EOFs to xv doesn't work, so we only do a
2265 ;; single external face.
2266 (when (stringp gnus-article-x-face-command)
2267 (setq x-faces (list (car x-faces))))
2268 (while (and (setq face (pop x-faces))
2269 gnus-article-x-face-command
2271 ;; Check whether this face is censored.
2272 (not gnus-article-x-face-too-ugly)
2273 (and gnus-article-x-face-too-ugly from
2274 (not (string-match gnus-article-x-face-too-ugly
2276 ;; We display the face.
2277 (cond ((stringp gnus-article-x-face-command)
2278 ;; The command is a string, so we interpret the command
2279 ;; as a, well, command, and fork it off.
2280 (let ((process-connection-type nil))
2281 (process-kill-without-query
2283 "article-x-face" nil shell-file-name
2284 shell-command-switch gnus-article-x-face-command))
2287 (process-send-region "article-x-face"
2288 (point-min) (point-max)))
2289 (process-send-eof "article-x-face")))
2290 ((functionp gnus-article-x-face-command)
2291 ;; The command is a lisp function, so we call it.
2292 (funcall gnus-article-x-face-command face))
2294 (error "%s is not a function"
2295 gnus-article-x-face-command)))))))))
2297 (defun article-decode-mime-words ()
2298 "Decode all MIME-encoded words in the article."
2300 (gnus-with-article-buffer
2301 (let ((inhibit-point-motion-hooks t)
2302 (mail-parse-charset gnus-newsgroup-charset)
2303 (mail-parse-ignored-charsets
2304 (with-current-buffer gnus-summary-buffer
2305 gnus-newsgroup-ignored-charsets)))
2306 (mail-decode-encoded-word-region (point-min) (point-max)))))
2308 (defun article-decode-charset (&optional prompt)
2309 "Decode charset-encoded text in the article.
2310 If PROMPT (the prefix), prompt for a coding system to use."
2312 (let ((inhibit-point-motion-hooks t) (case-fold-search t)
2313 (inhibit-read-only t)
2314 (mail-parse-charset gnus-newsgroup-charset)
2315 (mail-parse-ignored-charsets
2316 (save-excursion (condition-case nil
2317 (set-buffer gnus-summary-buffer)
2319 gnus-newsgroup-ignored-charsets))
2320 ct cte ctl charset format)
2323 (article-narrow-to-head)
2324 (setq ct (message-fetch-field "Content-Type" t)
2325 cte (message-fetch-field "Content-Transfer-Encoding" t)
2326 ctl (and ct (ignore-errors
2327 (mail-header-parse-content-type ct)))
2330 (mm-read-coding-system "Charset to decode: "))
2332 (mail-content-type-get ctl 'charset)))
2333 format (and ctl (mail-content-type-get ctl 'format)))
2335 (setq cte (mail-header-strip cte)))
2336 (if (and ctl (not (string-match "/" (car ctl))))
2338 (goto-char (point-max)))
2341 (narrow-to-region (point) (point-max))
2342 (when (and (eq mail-parse-charset 'gnus-decoded)
2343 (eq (mm-body-7-or-8) '8bit))
2344 ;; The text code could have been decoded.
2345 (setq charset mail-parse-charset))
2346 (when (and (or (not ctl)
2347 (equal (car ctl) "text/plain"))
2348 (not format)) ;; article with format will decode later.
2350 charset (and cte (intern (downcase
2351 (gnus-strip-whitespace cte))))
2354 (defun article-decode-encoded-words ()
2355 "Remove encoded-word encoding from headers."
2356 (let ((charset (save-excursion
2357 (set-buffer gnus-summary-buffer)
2358 default-mime-charset))
2359 (inhibit-read-only t))
2360 (mime-decode-header-in-buffer charset)))
2362 (defun article-decode-group-name ()
2363 "Decode group names in `Newsgroups:'."
2364 (let ((inhibit-point-motion-hooks t)
2365 (inhibit-read-only t)
2366 (method (gnus-find-method-for-group gnus-newsgroup-name)))
2367 (when (and (or gnus-group-name-charset-method-alist
2368 gnus-group-name-charset-group-alist)
2369 (gnus-buffer-live-p gnus-original-article-buffer))
2371 (article-narrow-to-head)
2372 (with-current-buffer gnus-original-article-buffer
2373 (goto-char (point-min)))
2374 (while (re-search-forward
2375 "^Newsgroups:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]" nil t)
2376 (replace-match (save-match-data
2377 (gnus-decode-newsgroups
2378 ;; XXX how to use data in article buffer?
2379 (with-current-buffer gnus-original-article-buffer
2381 "^Newsgroups:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]"
2384 gnus-newsgroup-name method))
2386 (goto-char (point-min))
2387 (with-current-buffer gnus-original-article-buffer
2388 (goto-char (point-min)))
2389 (while (re-search-forward
2390 "^Followup-To:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]" nil t)
2391 (replace-match (save-match-data
2392 (gnus-decode-newsgroups
2393 ;; XXX how to use data in article buffer?
2394 (with-current-buffer gnus-original-article-buffer
2396 "^Followup-To:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]"
2399 gnus-newsgroup-name method))
2402 (autoload 'idna-to-unicode "idna")
2404 (defun article-decode-idna-rhs ()
2405 "Decode IDNA strings in RHS in From:, To: and Cc: headers in current buffer."
2408 (let ((inhibit-point-motion-hooks t)
2409 (inhibit-read-only t))
2410 (article-narrow-to-head)
2411 (goto-char (point-min))
2412 (while (re-search-forward "@.*\\(xn--[-A-Za-z0-9.]*\\)[ \t\n\r,>]" nil t)
2414 (when (save-match-data
2415 (and (setq ace (match-string 1))
2417 (and (re-search-backward "^[^ \t]" nil t)
2418 (looking-at "From\\|To\\|Cc")))
2419 (setq unicode (idna-to-unicode ace))))
2420 (unless (string= ace unicode)
2421 (replace-match unicode nil nil nil 1)))))))))
2423 (defun article-de-quoted-unreadable (&optional force read-charset)
2424 "Translate a quoted-printable-encoded article.
2425 If FORCE, decode the article whether it is marked as quoted-printable
2427 If READ-CHARSET, ask for a coding system."
2428 (interactive (list 'force current-prefix-arg))
2430 (let ((inhibit-read-only t) type charset)
2431 (if (gnus-buffer-live-p gnus-original-article-buffer)
2432 (with-current-buffer gnus-original-article-buffer
2434 (gnus-fetch-field "content-transfer-encoding"))
2435 (let* ((ct (gnus-fetch-field "content-type"))
2438 (mail-header-parse-content-type ct)))))
2439 (setq charset (and ctl
2440 (mail-content-type-get ctl 'charset)))
2441 (if (stringp charset)
2442 (setq charset (intern (downcase charset)))))))
2444 (setq charset (mm-read-coding-system "Charset: " charset)))
2446 (setq charset gnus-newsgroup-charset))
2448 (and type (let ((case-fold-search t))
2449 (string-match "quoted-printable" type))))
2451 (quoted-printable-decode-region
2452 (point) (point-max) (mm-charset-to-coding-system charset))))))
2454 (defun article-de-base64-unreadable (&optional force read-charset)
2455 "Translate a base64 article.
2456 If FORCE, decode the article whether it is marked as base64 not.
2457 If READ-CHARSET, ask for a coding system."
2458 (interactive (list 'force current-prefix-arg))
2460 (let ((inhibit-read-only t) type charset)
2461 (if (gnus-buffer-live-p gnus-original-article-buffer)
2462 (with-current-buffer gnus-original-article-buffer
2464 (gnus-fetch-field "content-transfer-encoding"))
2465 (let* ((ct (gnus-fetch-field "content-type"))
2468 (mail-header-parse-content-type ct)))))
2469 (setq charset (and ctl
2470 (mail-content-type-get ctl 'charset)))
2471 (if (stringp charset)
2472 (setq charset (intern (downcase charset)))))))
2474 (setq charset (mm-read-coding-system "Charset: " charset)))
2476 (setq charset gnus-newsgroup-charset))
2478 (and type (let ((case-fold-search t))
2479 (string-match "base64" type))))
2482 (narrow-to-region (point) (point-max))
2483 (base64-decode-region (point-min) (point-max))
2484 (mm-decode-coding-region
2485 (point-min) (point-max) (mm-charset-to-coding-system charset)))))))
2490 (defun article-decode-HZ ()
2491 "Translate a HZ-encoded article."
2495 (let ((inhibit-read-only t))
2496 (rfc1843-decode-region (point-min) (point-max)))))
2498 (defun article-unsplit-urls ()
2499 "Remove the newlines that some other mailers insert into URLs."
2502 (let ((inhibit-read-only t))
2503 (goto-char (point-min))
2504 (while (re-search-forward
2505 "^\\(\\(https?\\|ftp\\)://\\S-+\\) *\n\\(\\S-+\\)" nil t)
2506 (replace-match "\\1\\3" t)))
2507 (when (interactive-p)
2508 (gnus-treat-article nil))))
2511 (defun article-wash-html (&optional read-charset)
2512 "Format an HTML article.
2513 If READ-CHARSET, ask for a coding system."
2516 (let ((inhibit-read-only t)
2518 (when (gnus-buffer-live-p gnus-original-article-buffer)
2519 (with-current-buffer gnus-original-article-buffer
2520 (let* ((ct (gnus-fetch-field "content-type"))
2523 (mail-header-parse-content-type ct)))))
2524 (setq charset (and ctl
2525 (mail-content-type-get ctl 'charset)))
2526 (when (stringp charset)
2527 (setq charset (intern (downcase charset)))))))
2529 (setq charset (mm-read-coding-system "Charset: " charset)))
2531 (setq charset gnus-newsgroup-charset))
2533 (save-window-excursion
2535 (narrow-to-region (point) (point-max))
2536 (let* ((func (or gnus-article-wash-function mm-text-html-renderer))
2537 (entry (assq func mm-text-html-washer-alist)))
2539 (setq func (cdr entry)))
2544 (apply (car func) (cdr func))))))))))
2546 (defun gnus-article-wash-html-with-w3 ()
2547 "Wash the current buffer with w3."
2549 (let ((w3-strict-width (window-width))
2550 (url-standalone-mode t)
2551 (url-gateway-unplugged t)
2552 (w3-honor-stylesheets nil))
2554 (w3-region (point-min) (point-max))
2557 (defun gnus-article-wash-html-with-w3m ()
2558 "Wash the current buffer with emacs-w3m."
2561 (narrow-to-region (point) (point-max))
2562 (let ((w3m-safe-url-regexp mm-w3m-safe-url-regexp)
2563 w3m-force-redisplay)
2564 (w3m-region (point-min) (point-max)))
2565 (when (and mm-inline-text-html-with-w3m-keymap
2566 (boundp 'w3m-minor-mode-map)
2568 (add-text-properties
2569 (point-min) (point-max)
2570 (list 'keymap w3m-minor-mode-map
2571 ;; Put the mark meaning this part was rendered by emacs-w3m.
2572 'mm-inline-text-html-with-w3m t)))))
2574 (defun article-hide-list-identifiers ()
2575 "Remove list identifies from the Subject header.
2576 The `gnus-list-identifiers' variable specifies what to do."
2578 (let ((inhibit-point-motion-hooks t)
2579 (regexp (if (consp gnus-list-identifiers)
2580 (mapconcat 'identity gnus-list-identifiers " *\\|")
2581 gnus-list-identifiers))
2582 (inhibit-read-only t))
2586 (article-narrow-to-head)
2587 (goto-char (point-min))
2588 (while (re-search-forward
2589 (concat "^Subject: +\\(R[Ee]: +\\)*\\(" regexp " *\\)")
2591 (delete-region (match-beginning 2) (match-end 0))
2592 (beginning-of-line))
2593 (when (re-search-forward
2594 "^Subject: +\\(\\(R[Ee]: +\\)+\\)R[Ee]: +" nil t)
2595 (delete-region (match-beginning 1) (match-end 1))))))))
2597 (defun article-hide-pem (&optional arg)
2598 "Toggle hiding of any PEM headers and signatures in the current article.
2599 If given a negative prefix, always show; if given a positive prefix,
2601 (interactive (gnus-article-hidden-arg))
2602 (unless (gnus-article-check-hidden-text 'pem arg)
2604 (let ((inhibit-read-only t) end)
2605 (goto-char (point-min))
2606 ;; Hide the horrendously ugly "header".
2607 (when (and (search-forward
2608 "\n-----BEGIN PRIVACY-ENHANCED MESSAGE-----\n"
2610 (setq end (1+ (match-beginning 0))))
2611 (gnus-add-wash-type 'pem)
2612 (gnus-article-hide-text-type
2614 (if (search-forward "\n\n" nil t)
2618 ;; Hide the trailer as well
2619 (when (search-forward "\n-----END PRIVACY-ENHANCED MESSAGE-----\n"
2621 (gnus-article-hide-text-type
2622 (match-beginning 0) (match-end 0) 'pem)))))))
2624 (defun article-strip-banner ()
2625 "Strip the banners specified by the `banner' group parameter and by
2626 `gnus-article-address-banner-alist'."
2630 (let ((inhibit-point-motion-hooks t))
2631 (when (gnus-parameter-banner gnus-newsgroup-name)
2632 (article-really-strip-banner
2633 (gnus-parameter-banner gnus-newsgroup-name)))
2634 (when gnus-article-address-banner-alist
2635 ;; It is necessary to encode from fields before checking,
2636 ;; because `mail-header-parse-addresses' does not work
2637 ;; (reliably) on decoded headers. And more, it is
2638 ;; impossible to use `gnus-fetch-original-field' here,
2639 ;; because `article-strip-banner' may be called in draft
2640 ;; buffers to preview them.
2641 (let ((from (save-restriction
2643 (article-narrow-to-head)
2644 (mail-fetch-field "from"))))
2647 (caar (mail-header-parse-addresses
2648 (mail-encode-encoded-word-string from)))))
2650 (dolist (pair gnus-article-address-banner-alist)
2651 (when (string-match (car pair) from)
2653 (article-really-strip-banner (cdr pair)))))))))))))
2655 (defun article-really-strip-banner (banner)
2656 "Strip the banner specified by the argument."
2659 (let ((inhibit-point-motion-hooks t)
2660 (gnus-signature-limit nil)
2661 (inhibit-read-only t))
2664 ((eq banner 'signature)
2665 (when (gnus-article-narrow-to-signature)
2668 (delete-region (point) (point-max))))
2670 (if (setq banner (cdr (assq banner gnus-article-banner-alist)))
2671 (while (re-search-forward banner nil t)
2672 (delete-region (match-beginning 0) (match-end 0)))))
2674 (while (re-search-forward banner nil t)
2675 (delete-region (match-beginning 0) (match-end 0)))))))))
2677 (defun article-babel ()
2678 "Translate article using an online translation service."
2681 (gnus-with-article-buffer
2682 (when (article-goto-body)
2683 (let* ((start (point))
2685 (orig (buffer-substring start end))
2686 (trans (babel-as-string orig)))
2688 (narrow-to-region start end)
2689 (delete-region start end)
2692 (defun article-hide-signature (&optional arg)
2693 "Hide the signature in the current article.
2694 If given a negative prefix, always show; if given a positive prefix,
2696 (interactive (gnus-article-hidden-arg))
2702 (article-goto-body))
2703 (goto-char (point-min)))
2704 (unless (gnus-article-check-hidden-text 'signature arg)
2705 (let ((inhibit-read-only t)
2707 (while (setq button (text-property-any button (point-max)
2709 'gnus-signature-toggle))
2710 (setq button (text-property-not-all button (point-max)
2712 'gnus-signature-toggle))
2713 (when (and button (not (eobp)))
2714 (gnus-article-hide-text-type
2716 (next-single-property-change (1+ button) 'mime-view-entity
2719 (gnus-set-mode-line 'article))
2721 (defun article-strip-headers-in-body ()
2722 "Strip offensive headers from bodies."
2726 (let ((case-fold-search t))
2727 (when (looking-at "x-no-archive:")
2728 (gnus-delete-line)))))
2730 (defun article-strip-leading-blank-lines ()
2731 "Remove all blank lines from the beginning of the article."
2734 (let ((inhibit-point-motion-hooks t)
2735 (inhibit-read-only t))
2736 (when (article-goto-body)
2737 (while (and (not (eobp))
2738 (looking-at "[ \t]*$"))
2739 (gnus-delete-line))))))
2741 (defun article-narrow-to-head ()
2742 "Narrow the buffer to the head of the message.
2743 Point is left at the beginning of the narrowed-to region."
2745 (goto-char (point-min))
2746 (if (search-forward "\n\n" nil 1)
2749 (goto-char (point-min)))
2751 (defun article-goto-body ()
2752 "Place point at the start of the body."
2753 (goto-char (point-min))
2755 ;; This variable is only bound when dealing with separate
2757 (article-goto-body-goes-to-point-min-p
2759 ((search-forward "\n\n" nil t)
2762 (goto-char (point-max))
2765 (defun article-strip-multiple-blank-lines ()
2766 "Replace consecutive blank lines with one empty line."
2769 (let ((inhibit-point-motion-hooks t)
2770 (inhibit-read-only t))
2771 ;; First make all blank lines empty.
2773 (while (re-search-forward "^[ \t]+$" nil t)
2774 (unless (gnus-annotation-in-region-p
2775 (match-beginning 0) (match-end 0))
2776 (replace-match "" nil t)))
2777 ;; Then replace multiple empty lines with a single empty line.
2779 (while (re-search-forward "\n\n\\(\n+\\)" nil t)
2780 (unless (gnus-annotation-in-region-p
2781 (match-beginning 0) (match-end 0))
2782 (delete-region (match-beginning 1) (match-end 1)))))))
2784 (defun article-strip-leading-space ()
2785 "Remove all white space from the beginning of the lines in the article."
2788 (let ((inhibit-point-motion-hooks t)
2789 (inhibit-read-only t))
2791 (while (re-search-forward "^[ \t]+" nil t)
2792 (replace-match "" t t)))))
2794 (defun article-strip-trailing-space ()
2795 "Remove all white space from the end of the lines in the article."
2798 (let ((inhibit-point-motion-hooks t)
2799 (inhibit-read-only t))
2801 (while (re-search-forward "[ \t]+$" nil t)
2802 (replace-match "" t t)))))
2804 (defun article-strip-blank-lines ()
2805 "Strip leading, trailing and multiple blank lines."
2807 (article-strip-leading-blank-lines)
2808 (article-remove-trailing-blank-lines)
2809 (article-strip-multiple-blank-lines))
2811 (defun article-strip-all-blank-lines ()
2812 "Strip all blank lines."
2815 (let ((inhibit-point-motion-hooks t)
2816 (inhibit-read-only t))
2818 (while (re-search-forward "^[ \t]*\n" nil t)
2819 (replace-match "" t t)))))
2821 (defun gnus-article-narrow-to-signature ()
2822 "Narrow to the signature; return t if a signature is found, else nil."
2823 (let ((inhibit-point-motion-hooks t))
2824 (when (gnus-article-search-signature)
2826 ;; Check whether we have some limits to what we consider
2827 ;; to be a signature.
2828 (let ((limits (if (listp gnus-signature-limit) gnus-signature-limit
2829 (list gnus-signature-limit)))
2831 (while (setq limit (pop limits))
2832 (if (or (and (integerp limit)
2833 (< (- (point-max) (point)) limit))
2835 (< (count-lines (point) (point-max)) limit))
2836 (and (functionp limit)
2838 (and (stringp limit)
2839 (not (re-search-forward limit nil t))))
2840 () ; This limit did not succeed.
2844 (narrow-to-region (point) (point-max))
2847 (defun gnus-article-search-signature ()
2848 "Search the current buffer for the signature separator.
2849 Put point at the beginning of the signature separator."
2850 (let ((cur (point)))
2851 (goto-char (point-max))
2852 (if (if (stringp gnus-signature-separator)
2853 (re-search-backward gnus-signature-separator nil t)
2854 (let ((seps gnus-signature-separator))
2856 (not (re-search-backward (car seps) nil t)))
2863 (defun gnus-article-hidden-arg ()
2864 "Return the current prefix arg as a number, or 0 if no prefix."
2865 (list (if current-prefix-arg
2866 (prefix-numeric-value current-prefix-arg)
2869 (defun gnus-article-check-hidden-text (type arg)
2870 "Return nil if hiding is necessary.
2871 Arg can be nil or a number. nil and positive means hide, negative
2872 means show, 0 means toggle."
2875 (let ((hide (gnus-article-hidden-text-p type)))
2881 (gnus-article-show-hidden-text type)
2884 (if (eq hide 'hidden)
2886 (gnus-article-show-hidden-text type)
2890 (defun gnus-article-hidden-text-p (type)
2891 "Say whether the current buffer contains hidden text of type TYPE."
2892 (let ((pos (text-property-any (point-min) (point-max) 'article-type type)))
2894 (not (get-text-property pos 'invisible))
2895 (not (get-text-property pos 'dummy-invisible)))
2897 (text-property-any (1+ pos) (point-max) 'article-type type)))
2902 (defun gnus-article-show-hidden-text (type &optional dummy)
2903 "Show all hidden text of type TYPE.
2904 Originally it is hide instead of DUMMY."
2905 (let ((inhibit-read-only t)
2906 (inhibit-point-motion-hooks t))
2907 (gnus-remove-text-properties-when
2909 (point-min) (point-max)
2910 (cons 'article-type (cons type
2911 gnus-hidden-properties)))
2912 (gnus-delete-wash-type type)))
2914 (defconst article-time-units
2915 `((year . ,(* 365.25 24 60 60))
2916 (week . ,(* 7 24 60 60))
2917 (day . ,(* 24 60 60))
2921 "Mapping from time units to seconds.")
2923 (defun gnus-article-forward-header ()
2924 "Move point to the start of the next header.
2925 If the current header is a continuation header, this can be several
2930 (if (looking-at "[ \t]+[^ \t]")
2934 (defun article-date-ut (&optional type highlight header)
2935 "Convert DATE date to universal time in the current article.
2936 If TYPE is `local', convert to local time; if it is `lapsed', output
2937 how much time has lapsed since DATE. For `lapsed', the value of
2938 `gnus-article-date-lapsed-new-header' says whether the \"X-Sent:\" header
2939 should replace the \"Date:\" one, or should be added below it."
2940 (interactive (list 'ut t))
2941 (let* ((header (or header
2942 (and (eq 1 (point-min))
2943 (mail-header-date (save-excursion
2944 (set-buffer gnus-summary-buffer)
2945 gnus-current-headers)))
2946 (message-fetch-field "date")
2948 (date (if (vectorp header) (mail-header-date header)
2950 (inhibit-point-motion-hooks t)
2951 bface eface date-pos)
2952 (when (and date (not (string= date "")))
2955 (article-narrow-to-head)
2956 (when (or (and (eq type 'lapsed)
2957 gnus-article-date-lapsed-new-header
2958 ;; Attempt to get the face of X-Sent first.
2959 (re-search-forward "^X-Sent:[ \t]" nil t))
2960 (re-search-forward "^Date:[ \t]" nil t)
2961 ;; If Date is missing, try again for X-Sent.
2962 (re-search-forward "^X-Sent:[ \t]" nil t))
2963 (setq bface (get-text-property (point-at-bol) 'face)
2964 date (or (get-text-property (point-at-bol)
2967 eface (get-text-property (1- (point-at-eol))
2969 (let ((inhibit-read-only t))
2970 ;; Delete any old X-Sent headers.
2971 (when (setq date-pos
2972 (text-property-any (point-min) (point-max)
2973 'article-date-lapsed t))
2974 (goto-char (setq date-pos (set-marker (make-marker) date-pos)))
2975 (delete-region (match-beginning 0)
2976 (progn (forward-line 1) (point))))
2977 (goto-char (point-min))
2978 ;; Delete any old Date headers.
2979 (while (re-search-forward "^Date:[ \t]" nil t)
2981 (setq date-pos (match-beginning 0)))
2982 (unless (and (eq type 'lapsed)
2983 gnus-article-date-lapsed-new-header)
2984 (delete-region (match-beginning 0)
2985 (progn (message-next-header) (point)))))
2988 (goto-char date-pos)
2990 ;; Possibly, Date has been deleted.
2992 (when (and (eq type 'lapsed)
2993 gnus-article-date-lapsed-new-header
2994 (looking-at "Date:"))
2996 (goto-char (point-min)))
2997 (insert (article-make-date-line date type))
2998 (when (eq type 'lapsed)
2999 (put-text-property (point-at-bol) (point)
3000 'article-date-lapsed t))
3004 (when (looking-at "\\([^:]+\\): *\\(.*\\)$")
3005 (add-text-properties (match-beginning 1) (1+ (match-end 1))
3006 (list 'original-date date 'face bface))
3007 (put-text-property (match-beginning 2) (match-end 2)
3010 (defun article-make-date-line (date type)
3011 "Return a DATE line of TYPE."
3012 (unless (memq type '(local ut original user iso8601 lapsed english))
3013 (error "Unknown conversion type: %s" type))
3015 (let ((time (date-to-time date)))
3017 ;; Convert to the local timezone.
3019 (concat "Date: " (message-make-date time)))
3020 ;; Convert to Universal Time.
3025 (let* ((e (parse-time-string date))
3026 (tm (apply 'encode-time e))
3028 (ls (- (cadr tm) (car (current-time-zone time)))))
3029 (cond ((< ls 0) (list (1- ms) (+ ls 65536)))
3030 ((> ls 65535) (list (1+ ms) (- ls 65536)))
3034 ;; Get the original date from the article.
3035 ((eq type 'original)
3036 (concat "Date: " (if (string-match "\n+$" date)
3037 (substring date 0 (match-beginning 0))
3039 ;; Let the user define the format.
3041 (let ((format (or (condition-case nil
3042 (with-current-buffer gnus-summary-buffer
3043 gnus-article-time-format)
3045 gnus-article-time-format)))
3046 (if (functionp format)
3047 (funcall format time)
3048 (concat "Date: " (format-time-string format time)))))
3051 (let ((tz (car (current-time-zone time))))
3054 (format-time-string "%Y%m%dT%H%M%S" time)
3055 (format "%s%02d%02d"
3056 (if (> tz 0) "+" "-") (/ (abs tz) 3600)
3057 (/ (% (abs tz) 3600) 60)))))
3058 ;; Do an X-Sent lapsed format.
3060 ;; If the date is seriously mangled, the timezone functions are
3061 ;; liable to bug out, so we ignore all errors.
3062 (let* ((now (current-time))
3063 (real-time (subtract-time now time))
3064 (real-sec (and real-time
3065 (+ (* (float (car real-time)) 65536)
3067 (sec (and real-time (abs real-sec)))
3077 ;; This is a bit convoluted, but basically we go
3078 ;; through the time units for years, weeks, etc,
3079 ;; and divide things to see whether that results
3080 ;; in positive answers.
3083 (if (zerop (setq num (ffloor (/ sec (cdr unit)))))
3084 ;; The (remaining) seconds are too few to
3085 ;; be divided into this time unit.
3087 ;; It's big enough, so we output it.
3088 (setq sec (- sec (* num (cdr unit))))
3090 (concat (if prev ", " "") (int-to-string
3092 " " (symbol-name (car unit))
3093 (if (> num 1) "s" ""))
3095 article-time-units "")
3096 ;; If dates are odd, then it might appear like the
3097 ;; article was sent in the future.
3100 " in the future"))))))
3101 ;; Display the date in proper English
3103 (let ((dtime (decode-time time)))
3106 (number-to-string (nth 3 dtime))
3107 (let ((digit (% (nth 3 dtime) 10)))
3109 ((memq (nth 3 dtime) '(11 12 13)) "th")
3115 (nth (1- (nth 4 dtime)) gnus-english-month-names)
3117 (number-to-string (nth 5 dtime))
3119 (format "%02d" (nth 2 dtime))
3121 (format "%02d" (nth 1 dtime)))))))
3123 (format "Date: %s (from T-gnus)" date))))
3125 (defun article-date-local (&optional highlight)
3126 "Convert the current article date to the local timezone."
3127 (interactive (list t))
3128 (article-date-ut 'local highlight))
3130 (defun article-date-english (&optional highlight)
3131 "Convert the current article date to something that is proper English."
3132 (interactive (list t))
3133 (article-date-ut 'english highlight))
3135 (defun article-date-original (&optional highlight)
3136 "Convert the current article date to what it was originally.
3137 This is only useful if you have used some other date conversion
3138 function and want to see what the date was before converting."
3139 (interactive (list t))
3140 (article-date-ut 'original highlight))
3142 (defun article-date-lapsed (&optional highlight)
3143 "Convert the current article date to time lapsed since it was sent."
3144 (interactive (list t))
3145 (article-date-ut 'lapsed highlight))
3147 (defun article-update-date-lapsed ()
3148 "Function to be run from a timer to update the lapsed time line."
3149 (let (deactivate-mark)
3154 (set-buffer (window-buffer w))
3155 (when (eq major-mode 'gnus-article-mode)
3156 (let ((mark (point-marker)))
3157 (goto-char (point-min))
3158 (when (re-search-forward "^X-Sent:" nil t)
3159 (article-date-lapsed t))
3160 (goto-char (marker-position mark))
3161 (move-marker mark nil))))
3164 (defun gnus-start-date-timer (&optional n)
3165 "Start a timer to update the X-Sent header in the article buffers.
3166 The numerical prefix says how frequently (in seconds) the function
3171 (gnus-stop-date-timer)
3172 (setq article-lapsed-timer
3173 (run-at-time 1 n 'article-update-date-lapsed)))
3175 (defun gnus-stop-date-timer ()
3176 "Stop the X-Sent timer."
3178 (when article-lapsed-timer
3179 (nnheader-cancel-timer article-lapsed-timer)
3180 (setq article-lapsed-timer nil)))
3182 (defun article-date-user (&optional highlight)
3183 "Convert the current article date to the user-defined format.
3184 This format is defined by the `gnus-article-time-format' variable."
3185 (interactive (list t))
3186 (article-date-ut 'user highlight))
3188 (defun article-date-iso8601 (&optional highlight)
3189 "Convert the current article date to ISO8601."
3190 (interactive (list t))
3191 (article-date-ut 'iso8601 highlight))
3193 ;; (defun article-show-all ()
3194 ;; "Show all hidden text in the article buffer."
3198 ;; (let ((inhibit-read-only t))
3199 ;; (gnus-article-unhide-text (point-min) (point-max))
3200 ;; (gnus-remove-text-with-property 'gnus-prev)
3201 ;; (gnus-remove-text-with-property 'gnus-next))))
3203 (defun article-show-all-headers ()
3204 "Show all hidden headers in the article buffer."
3209 (article-narrow-to-head)
3210 (let ((inhibit-read-only t))
3211 (gnus-article-unhide-text (point-min) (point-max))))))
3213 (defun article-remove-leading-whitespace ()
3214 "Remove excessive whitespace from all headers."
3218 (let ((inhibit-read-only t))
3219 (article-narrow-to-head)
3220 (goto-char (point-min))
3221 (while (re-search-forward "^[^ :]+: \\([ \t]+\\)" nil t)
3222 (delete-region (match-beginning 1) (match-end 1)))))))
3224 (defun article-emphasize (&optional arg)
3225 "Emphasize text according to `gnus-emphasis-alist'."
3226 (interactive (gnus-article-hidden-arg))
3227 (unless (gnus-article-check-hidden-text 'emphasis arg)
3231 (with-current-buffer gnus-summary-buffer
3232 gnus-article-emphasis-alist)
3234 gnus-emphasis-alist))
3235 (inhibit-read-only t)
3236 (props (append '(article-type emphasis)
3237 gnus-hidden-properties))
3238 regexp elem beg invisible visible face)
3241 (while (setq elem (pop alist))
3243 (setq regexp (car elem)
3244 invisible (nth 1 elem)
3245 visible (nth 2 elem)
3247 (while (re-search-forward regexp nil t)
3248 (when (and (match-beginning visible) (match-beginning invisible))
3249 (gnus-article-hide-text
3250 (match-beginning invisible) (match-end invisible) props)
3251 (gnus-article-unhide-text-type
3252 (match-beginning visible) (match-end visible) 'emphasis)
3253 (gnus-put-overlay-excluding-newlines
3254 (match-beginning visible) (match-end visible) 'face face)
3255 (gnus-add-wash-type 'emphasis)
3256 (goto-char (match-end invisible)))))))))
3258 (defun gnus-article-setup-highlight-words (&optional highlight-words)
3259 "Setup newsgroup emphasis alist."
3260 (unless gnus-article-emphasis-alist
3261 (let ((name (and gnus-newsgroup-name
3262 (gnus-group-real-name gnus-newsgroup-name))))
3263 (make-local-variable 'gnus-article-emphasis-alist)
3264 (setq gnus-article-emphasis-alist
3266 (let ((alist gnus-group-highlight-words-alist) elem highlight)
3267 (while (setq elem (pop alist))
3268 (when (and name (string-match (car elem) name))
3270 highlight (copy-sequence (cdr elem)))))
3272 (copy-sequence highlight-words)
3273 (if gnus-newsgroup-name
3274 (copy-sequence (gnus-group-find-parameter
3275 gnus-newsgroup-name 'highlight-words t)))
3276 gnus-emphasis-alist)))))
3279 (defvar gnus-summary-article-menu)
3280 (defvar gnus-summary-post-menu))
3282 ;;; Saving functions.
3284 (defun gnus-article-save (save-buffer file &optional num)
3285 "Save the currently selected article."
3286 (unless gnus-save-all-headers
3287 ;; Remove headers according to `gnus-saved-headers'.
3288 (let ((gnus-visible-headers
3289 (or gnus-saved-headers gnus-visible-headers))
3290 (gnus-article-buffer save-buffer))
3292 (set-buffer save-buffer)
3293 (article-hide-headers 1 t))))
3294 (save-window-excursion
3295 (if (not gnus-default-article-saver)
3296 (error "No default saver is defined")
3297 ;; !!! Magic! The saving functions all save
3298 ;; `gnus-save-article-buffer' (or so they think), but we
3299 ;; bind that variable to our save-buffer.
3300 (set-buffer gnus-article-buffer)
3301 (let* ((gnus-save-article-buffer save-buffer)
3304 ((not gnus-prompt-before-saving) 'default)
3305 ((eq gnus-prompt-before-saving 'always) nil)
3307 (gnus-number-of-articles-to-be-saved
3308 (when (eq gnus-prompt-before-saving t)
3310 (set-buffer gnus-article-current-summary)
3311 (funcall gnus-default-article-saver filename)))))
3313 (defun gnus-read-save-file-name (prompt &optional filename
3314 function group headers variable)
3316 (funcall function group headers (symbol-value variable)))
3321 ((eq filename 'default)
3327 (let* ((split-name (gnus-get-split-value gnus-split-methods))
3330 (if (and gnus-number-of-articles-to-be-saved
3331 (> gnus-number-of-articles-to-be-saved 1))
3332 (format "these %d articles"
3333 gnus-number-of-articles-to-be-saved)
3336 ;; Let the split methods have their say.
3338 ;; No split name was found.
3341 (concat prompt " (default "
3342 (file-name-nondirectory default-name) ") ")
3343 (file-name-directory default-name)
3345 ;; A single group name is returned.
3346 ((stringp split-name)
3348 (funcall function split-name headers
3349 (symbol-value variable)))
3351 (concat prompt " (default "
3352 (file-name-nondirectory default-name) ") ")
3353 (file-name-directory default-name)
3355 ;; A single split name was found
3356 ((= 1 (length split-name))
3357 (let* ((name (expand-file-name
3359 gnus-article-save-directory))
3360 (dir (cond ((file-directory-p name)
3361 (file-name-as-directory name))
3362 ((file-exists-p name) name)
3363 (t gnus-article-save-directory))))
3365 (concat prompt " (default " name ") ")
3367 ;; A list of splits was found.
3369 (setq split-name (nreverse split-name))
3371 (let ((file-name-history
3372 (nconc split-name file-name-history)))
3376 (concat prompt " (`M-p' for defaults) ")
3377 gnus-article-save-directory
3379 gnus-article-save-directory)))
3380 (car (push result file-name-history)))))))
3381 ;; Create the directory.
3382 (gnus-make-directory (file-name-directory file))
3383 ;; If we have read a directory, we append the default file name.
3384 (when (file-directory-p file)
3385 (setq file (expand-file-name (file-name-nondirectory
3387 (file-name-as-directory file))))
3388 ;; Possibly translate some characters.
3389 (nnheader-translate-file-chars file))))))
3390 (gnus-make-directory (file-name-directory result))
3391 (set variable result)))
3393 (defun gnus-article-archive-name (group)
3394 "Return the first instance of an \"Archive-name\" in the current buffer."
3395 (let ((case-fold-search t))
3396 (when (re-search-forward "archive-name: *\\([^ \n\t]+\\)[ \t]*$" nil t)
3397 (nnheader-concat gnus-article-save-directory
3398 (match-string 1)))))
3400 (defun gnus-article-nndoc-name (group)
3401 "If GROUP is an nndoc group, return the name of the parent group."
3402 (when (eq (car (gnus-find-method-for-group group)) 'nndoc)
3403 (gnus-group-get-parameter group 'save-article-group)))
3405 (defun gnus-summary-save-in-rmail (&optional filename)
3406 "Append this article to Rmail file.
3407 Optional argument FILENAME specifies file name.
3408 Directory to save to is default to `gnus-article-save-directory'."
3409 (setq filename (gnus-read-save-file-name
3410 "Save %s in rmail file:" filename
3411 gnus-rmail-save-name gnus-newsgroup-name
3412 gnus-current-headers 'gnus-newsgroup-last-rmail))
3413 (gnus-eval-in-buffer-window gnus-save-article-buffer
3417 (gnus-output-to-rmail filename))))
3420 (defun gnus-summary-save-in-mail (&optional filename)
3421 "Append this article to Unix mail file.
3422 Optional argument FILENAME specifies file name.
3423 Directory to save to is default to `gnus-article-save-directory'."
3424 (setq filename (gnus-read-save-file-name
3425 "Save %s in Unix mail file:" filename
3426 gnus-mail-save-name gnus-newsgroup-name
3427 gnus-current-headers 'gnus-newsgroup-last-mail))
3428 (gnus-eval-in-buffer-window gnus-save-article-buffer
3432 (if (and (file-readable-p filename)
3433 (file-regular-p filename)
3434 (mail-file-babyl-p filename))
3435 (rmail-output-to-rmail-file filename t)
3436 (gnus-output-to-mail filename)))))
3439 (defun gnus-summary-save-in-file (&optional filename overwrite)
3440 "Append this article to file.
3441 Optional argument FILENAME specifies file name.
3442 Directory to save to is default to `gnus-article-save-directory'."
3443 (setq filename (gnus-read-save-file-name
3444 "Save %s in file:" filename
3445 gnus-file-save-name gnus-newsgroup-name
3446 gnus-current-headers 'gnus-newsgroup-last-file))
3447 (gnus-eval-in-buffer-window gnus-save-article-buffer
3451 (when (and overwrite
3452 (file-exists-p filename))
3453 (delete-file filename))
3454 (gnus-output-to-file filename))))
3457 (defun gnus-summary-write-to-file (&optional filename)
3458 "Write this article to a file, overwriting it if the file exists.
3459 Optional argument FILENAME specifies file name.
3460 The directory to save in defaults to `gnus-article-save-directory'."
3461 (gnus-summary-save-in-file nil t))
3463 (defun gnus-summary-save-body-in-file (&optional filename)
3464 "Append this article body to a file.
3465 Optional argument FILENAME specifies file name.
3466 The directory to save in defaults to `gnus-article-save-directory'."
3467 (setq filename (gnus-read-save-file-name
3468 "Save %s body in file:" filename
3469 gnus-file-save-name gnus-newsgroup-name
3470 gnus-current-headers 'gnus-newsgroup-last-file))
3471 (gnus-eval-in-buffer-window gnus-save-article-buffer
3475 (when (article-goto-body)
3476 (narrow-to-region (point) (point-max)))
3477 (gnus-output-to-file filename))))
3480 (defun gnus-summary-save-in-pipe (&optional command)
3481 "Pipe this article to subprocess."
3483 (cond ((and (eq command 'default)
3484 gnus-last-shell-command)
3485 gnus-last-shell-command)
3490 "Shell command on %s: "
3491 (if (and gnus-number-of-articles-to-be-saved
3492 (> gnus-number-of-articles-to-be-saved 1))
3493 (format "these %d articles"
3494 gnus-number-of-articles-to-be-saved)
3496 gnus-last-shell-command))))
3497 (when (string-equal command "")
3498 (if gnus-last-shell-command
3499 (setq command gnus-last-shell-command)
3500 (error "A command is required")))
3501 (gnus-eval-in-buffer-window gnus-article-buffer
3504 (shell-command-on-region (point-min) (point-max) command nil)))
3505 (setq gnus-last-shell-command command))
3507 (defun gnus-summary-pipe-to-muttprint (&optional command)
3508 "Pipe this article to muttprint."
3509 (setq command (read-string
3510 "Print using command: " gnus-summary-muttprint-program
3511 nil gnus-summary-muttprint-program))
3512 (gnus-summary-save-in-pipe command))
3514 ;;; Article file names when saving.
3516 (defun gnus-capitalize-newsgroup (newsgroup)
3517 "Capitalize NEWSGROUP name."
3518 (when (not (zerop (length newsgroup)))
3519 (concat (char-to-string (upcase (aref newsgroup 0)))
3520 (substring newsgroup 1))))
3522 (defun gnus-Numeric-save-name (newsgroup headers &optional last-file)
3523 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3524 If variable `gnus-use-long-file-name' is non-nil, it is ~/News/News.group/num.
3525 Otherwise, it is like ~/News/news/group/num."
3528 (concat (if (gnus-use-long-file-name 'not-save)
3529 (gnus-capitalize-newsgroup newsgroup)
3530 (gnus-newsgroup-directory-form newsgroup))
3531 "/" (int-to-string (mail-header-number headers)))
3532 gnus-article-save-directory)))
3534 (string-equal (file-name-directory default)
3535 (file-name-directory last-file))
3536 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
3538 (or last-file default))))
3540 (defun gnus-numeric-save-name (newsgroup headers &optional last-file)
3541 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3542 If variable `gnus-use-long-file-name' is non-nil, it is
3543 ~/News/news.group/num. Otherwise, it is like ~/News/news/group/num."
3546 (concat (if (gnus-use-long-file-name 'not-save)
3548 (gnus-newsgroup-directory-form newsgroup))
3549 "/" (int-to-string (mail-header-number headers)))
3550 gnus-article-save-directory)))
3552 (string-equal (file-name-directory default)
3553 (file-name-directory last-file))
3554 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
3556 (or last-file default))))
3558 (defun gnus-plain-save-name (newsgroup headers &optional last-file)
3559 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3560 If variable `gnus-use-long-file-name' is non-nil, it is
3561 ~/News/news.group. Otherwise, it is like ~/News/news/group/news."
3564 (if (gnus-use-long-file-name 'not-save)
3567 (expand-file-name "news" (gnus-newsgroup-directory-form newsgroup))
3569 gnus-article-save-directory)))
3571 (defun gnus-sender-save-name (newsgroup headers &optional last-file)
3572 "Generate file name from sender."
3573 (let ((from (mail-header-from headers)))
3575 (if (and from (string-match "\\([^ <]+\\)@" from))
3576 (match-string 1 from)
3578 gnus-article-save-directory)))
3580 (defun article-verify-x-pgp-sig ()
3583 (if (gnus-buffer-live-p gnus-original-article-buffer)
3584 (let ((sig (with-current-buffer gnus-original-article-buffer
3585 (gnus-fetch-field "X-PGP-Sig")))
3589 (mml2015-clear-verify-function))
3591 (insert-buffer-substring gnus-original-article-buffer)
3592 (setq items (split-string sig))
3593 (message-narrow-to-head)
3594 (let ((inhibit-point-motion-hooks t)
3595 (case-fold-search t))
3596 ;; Don't verify multiple headers.
3597 (setq headers (mapconcat (lambda (header)
3599 (mail-fetch-field header)
3601 (split-string (nth 1 items) ",") "")))
3602 (delete-region (point-min) (point-max))
3603 (insert "-----BEGIN PGP SIGNED MESSAGE-----\n\n")
3604 (insert "X-Signed-Headers: " (nth 1 items) "\n")
3609 (if (looking-at "^-")
3612 (insert "\n-----BEGIN PGP SIGNATURE-----\n")
3613 (insert "Version: " (car items) "\n\n")
3614 (insert (mapconcat 'identity (cddr items) "\n"))
3615 (insert "\n-----END PGP SIGNATURE-----\n")
3616 (let ((mm-security-handle (list (format "multipart/signed"))))
3617 (mml2015-clean-buffer)
3618 (let ((coding-system-for-write (or gnus-newsgroup-charset
3620 (funcall (mml2015-clear-verify-function)))
3622 (or (mm-handle-multipart-ctl-parameter
3623 mm-security-handle 'gnus-details)
3624 (mm-handle-multipart-ctl-parameter
3625 mm-security-handle 'gnus-info)))))
3627 (let ((inhibit-read-only t) bface eface)
3629 (message-narrow-to-head)
3630 (goto-char (point-max))
3632 (setq bface (get-text-property (point-at-bol) 'face)
3633 eface (get-text-property (1- (point-at-eol)) 'face))
3634 (message-remove-header "X-Gnus-PGP-Verify")
3635 (if (re-search-forward "^X-PGP-Sig:" nil t)
3637 (goto-char (point-max)))
3638 (narrow-to-region (point) (point))
3639 (insert "X-Gnus-PGP-Verify: " info "\n")
3640 (goto-char (point-min))
3643 (if (not (looking-at "^[ \t]"))
3647 (goto-char (point-min))
3648 (when (looking-at "\\([^:]+\\): *")
3649 (put-text-property (match-beginning 1) (1+ (match-end 1))
3651 (put-text-property (match-end 0) (point-max)
3652 'face eface)))))))))
3654 (defun article-verify-cancel-lock ()
3655 "Verify Cancel-Lock header."
3657 (if (gnus-buffer-live-p gnus-original-article-buffer)
3658 (canlock-verify gnus-original-article-buffer)))
3660 (defun article-monafy ()
3661 "Display body part with mona font."
3663 (unless (if (featurep 'xemacs)
3664 (find-face 'gnus-mona-face)
3665 (facep 'gnus-mona-face))
3666 (require 'navi2ch-mona)
3667 (set-face-font (make-face 'gnus-mona-face) navi2ch-mona-font))
3669 (let ((inhibit-read-only t))
3672 (gnus-make-overlay (point) (point-max))
3673 'face 'gnus-mona-face))))
3680 (setq afunc (car func)
3683 gfunc (intern (format "gnus-%s" func))))
3685 (when (fboundp afunc)
3686 `(lambda (&optional interactive &rest args)
3687 ,(documentation afunc t)
3688 (interactive (list t))
3690 (set-buffer gnus-article-buffer)
3692 (call-interactively ',afunc)
3693 (apply ',afunc args))))))))
3694 '(article-hide-headers
3695 article-verify-x-pgp-sig
3696 article-verify-cancel-lock
3698 article-hide-boring-headers
3699 article-treat-overstrike
3700 article-treat-ansi-sequences
3701 article-fill-long-lines
3702 article-capitalize-sentences
3704 article-remove-leading-whitespace
3705 article-display-x-face
3706 article-display-face
3707 article-de-quoted-unreadable
3708 article-de-base64-unreadable
3711 article-unsplit-urls
3712 article-hide-list-identifiers
3713 article-strip-banner
3716 article-hide-signature
3717 article-strip-headers-in-body
3718 article-remove-trailing-blank-lines
3719 article-strip-leading-blank-lines
3720 article-strip-multiple-blank-lines
3721 article-strip-leading-space
3722 article-strip-trailing-space
3723 article-strip-blank-lines
3724 article-strip-all-blank-lines
3726 article-date-english
3727 article-date-iso8601
3728 article-date-original
3730 article-decode-mime-words
3731 article-decode-charset
3732 article-decode-encoded-words
3736 article-treat-dumbquotes
3737 article-normalize-headers
3738 (article-show-all-headers . gnus-article-show-all-headers)
3739 ;; (article-show-all . gnus-article-show-all)
3743 ;;; Gnus article mode
3746 (put 'gnus-article-mode 'mode-class 'special)
3748 (gnus-define-keys gnus-article-mode-map
3749 " " gnus-article-goto-next-page
3750 "\177" gnus-article-goto-prev-page
3751 [delete] gnus-article-goto-prev-page
3752 [backspace] gnus-article-goto-prev-page
3753 "\C-c^" gnus-article-refer-article
3754 "h" gnus-article-show-summary
3755 "s" gnus-article-show-summary
3756 "\C-c\C-m" gnus-article-mail
3757 "?" gnus-article-describe-briefly
3758 "e" gnus-summary-edit-article
3759 "<" beginning-of-buffer
3761 "\C-c\C-i" gnus-info-find-node
3763 "R" gnus-article-reply-with-original
3764 "F" gnus-article-followup-with-original
3765 "\C-hk" gnus-article-describe-key
3766 "\C-hc" gnus-article-describe-key-briefly
3768 "\C-d" gnus-article-read-summary-keys
3769 "\M-*" gnus-article-read-summary-keys
3770 "\M-#" gnus-article-read-summary-keys
3771 "\M-^" gnus-article-read-summary-keys
3772 "\M-g" gnus-article-read-summary-keys)
3774 ;; Define almost undefined keys to `gnus-article-read-summary-keys'.
3778 (push (char-to-string key) keys)
3780 (dolist (elem (accessible-keymaps gnus-summary-mode-map))
3781 (setq key (car elem))
3782 (when (and (> (length key) 0)
3783 (not (eq 'menu-bar (aref key 0)))
3784 (symbolp (lookup-key gnus-summary-mode-map key)))
3787 (unless (lookup-key gnus-article-mode-map key)
3788 (define-key gnus-article-mode-map key 'gnus-article-read-summary-keys))))
3790 (defun gnus-article-make-menu-bar ()
3791 (unless (boundp 'gnus-article-commands-menu)
3792 (gnus-summary-make-menu-bar))
3793 (gnus-turn-off-edit-menu 'article)
3794 (unless (boundp 'gnus-article-article-menu)
3796 gnus-article-article-menu gnus-article-mode-map ""
3798 ["Scroll forwards" gnus-article-goto-next-page t]
3799 ["Scroll backwards" gnus-article-goto-prev-page t]
3800 ["Show summary" gnus-article-show-summary t]
3801 ["Fetch Message-ID at point" gnus-article-refer-article t]
3802 ["Mail to address at point" gnus-article-mail t]
3803 ["Send a bug report" gnus-bug t]))
3806 gnus-article-treatment-menu gnus-article-mode-map ""
3807 ;; Fixme: this should use :active (and maybe :visible).
3809 ["Hide headers" gnus-article-hide-headers t]
3810 ["Hide signature" gnus-article-hide-signature t]
3811 ["Hide citation" gnus-article-hide-citation t]
3812 ["Treat overstrike" gnus-article-treat-overstrike t]
3813 ["Treat ANSI sequences" gnus-article-treat-ansi-sequences t]
3814 ["Remove carriage return" gnus-article-remove-cr t]
3815 ["Remove leading whitespace" gnus-article-remove-leading-whitespace t]
3816 ["Treat html" gnus-article-wash-html t]
3817 ["Remove newlines from within URLs" gnus-article-unsplit-urls t]
3818 ["Decode HZ" gnus-article-decode-HZ t]))
3820 ;; Note "Commands" menu is defined in gnus-sum.el for consistency
3822 ;; Note "Post" menu is defined in gnus-sum.el for consistency
3824 (gnus-run-hooks 'gnus-article-menu-hook)))
3826 (defun gnus-article-mode ()
3827 "Major mode for displaying an article.
3829 All normal editing commands are switched off.
3831 The following commands are available in addition to all summary mode
3833 \\<gnus-article-mode-map>
3834 \\[gnus-article-next-page]\t Scroll the article one page forwards
3835 \\[gnus-article-prev-page]\t Scroll the article one page backwards
3836 \\[gnus-article-refer-article]\t Go to the article referred to by an article id near point
3837 \\[gnus-article-show-summary]\t Display the summary buffer
3838 \\[gnus-article-mail]\t Send a reply to the address near point
3839 \\[gnus-article-describe-briefly]\t Describe the current mode briefly
3840 \\[gnus-info-find-node]\t Go to the Gnus info node"
3842 (gnus-simplify-mode-line)
3843 (setq mode-name "Article")
3844 (setq major-mode 'gnus-article-mode)
3845 (make-local-variable 'minor-mode-alist)
3846 (unless (assq 'gnus-show-mime minor-mode-alist)
3847 (push (list 'gnus-show-mime " MIME") minor-mode-alist))
3848 (use-local-map gnus-article-mode-map)
3849 (when (gnus-visual-p 'article-menu 'menu)
3850 (gnus-article-make-menu-bar)
3851 (when gnus-summary-tool-bar-map
3852 (set (make-local-variable 'tool-bar-map) gnus-summary-tool-bar-map)))
3853 (gnus-update-format-specifications nil 'article-mode)
3854 (set (make-local-variable 'page-delimiter) gnus-page-delimiter)
3855 (set (make-local-variable 'gnus-page-broken) nil)
3856 (make-local-variable 'gnus-button-marker-list)
3857 (make-local-variable 'gnus-article-current-summary)
3858 (make-local-variable 'gnus-article-mime-handles)
3859 (make-local-variable 'gnus-article-decoded-p)
3860 (make-local-variable 'gnus-article-mime-handle-alist)
3861 (make-local-variable 'gnus-article-wash-types)
3862 (make-local-variable 'gnus-article-image-alist)
3863 (make-local-variable 'gnus-article-charset)
3864 (make-local-variable 'gnus-article-ignored-charsets)
3865 (gnus-set-default-directory)
3866 (buffer-disable-undo)
3867 (setq buffer-read-only t
3868 show-trailing-whitespace nil)
3869 (set-syntax-table gnus-article-mode-syntax-table)
3870 (gnus-run-hooks 'gnus-article-mode-hook))
3872 (defun gnus-article-setup-buffer ()
3873 "Initialize the article buffer."
3874 (let* ((name (if gnus-single-article-buffer "*Article*"
3875 (concat "*Article " gnus-newsgroup-name "*")))
3877 (progn (string-match "\\*Article" name)
3878 (concat " *Original Article"
3879 (substring name (match-end 0))))))
3880 (setq gnus-article-buffer name)
3881 (setq gnus-original-article-buffer original)
3882 (setq gnus-article-mime-handle-alist nil)
3883 ;; This might be a variable local to the summary buffer.
3884 (unless gnus-single-article-buffer
3886 (set-buffer gnus-summary-buffer)
3887 (setq gnus-article-buffer name)
3888 (setq gnus-original-article-buffer original)
3889 (gnus-set-global-variables)))
3890 (gnus-article-setup-highlight-words)
3891 ;; Init original article buffer.
3893 (set-buffer (gnus-get-buffer-create gnus-original-article-buffer))
3894 (set-buffer-multibyte t)
3895 (setq major-mode 'gnus-original-article-mode)
3896 (make-local-variable 'gnus-original-article))
3897 (if (get-buffer name)
3900 (when (and gnus-article-edit-mode
3903 (y-or-n-p "Article mode edit in progress; discard? ")))
3904 (error "Action aborted"))
3905 (set (make-local-variable 'gnus-article-edit-mode) nil)
3906 (buffer-disable-undo)
3907 (setq buffer-read-only t)
3908 ;; This list just keeps growing if we don't reset it.
3909 (setq gnus-button-marker-list nil)
3910 (unless (eq major-mode 'gnus-article-mode)
3911 (gnus-article-mode))
3914 (set-buffer (gnus-get-buffer-create name))
3916 (make-local-variable 'gnus-summary-buffer)
3917 (gnus-summary-set-local-parameters gnus-newsgroup-name)
3918 (current-buffer)))))
3920 ;; Set article window start at LINE, where LINE is the number of lines
3921 ;; from the head of the article.
3922 (defun gnus-article-set-window-start (&optional line)
3924 (gnus-get-buffer-window gnus-article-buffer t)
3926 (set-buffer gnus-article-buffer)
3927 (goto-char (point-min))
3930 (gnus-message 6 "Moved to bookmark")
3931 (search-forward "\n\n" nil t)
3935 ;;; @@ article filters
3938 (defun gnus-article-display-mime-message ()
3939 "Article display method for MIME message."
3940 ;; called from `gnus-original-article-buffer'.
3941 (let (charset all-headers)
3942 (with-current-buffer gnus-summary-buffer
3943 (setq charset default-mime-charset
3944 all-headers gnus-have-all-headers))
3945 (make-local-variable 'default-mime-charset)
3946 (setq default-mime-charset charset)
3947 (with-current-buffer (get-buffer-create gnus-article-buffer)
3948 (make-local-variable 'default-mime-charset)
3949 (setq default-mime-charset charset))
3950 (mime-display-message mime-message-structure
3951 gnus-article-buffer nil gnus-article-mode-map)
3953 (gnus-article-hide-headers nil -1)))
3954 (run-hooks 'gnus-mime-article-prepare-hook))
3956 (defun gnus-article-display-traditional-message ()
3957 "Article display method for traditional message."
3958 (set-buffer gnus-article-buffer)
3959 (let ((inhibit-read-only t))
3961 (insert-buffer-substring gnus-original-article-buffer)))
3963 (defun gnus-article-make-full-mail-header (&optional number charset)
3964 "Create a new mail header structure in a raw article buffer."
3965 (unless (and number charset)
3966 (save-current-buffer
3967 (set-buffer gnus-summary-buffer)
3969 (setq number (or (cdr gnus-article-current) 0)))
3971 (setq charset (or default-mime-charset 'x-ctext)))))
3972 (goto-char (point-min))
3973 (let ((header-end (if (search-forward "\n\n" nil t)
3975 (goto-char (point-max))))
3976 (chars (- (point-max) (point)))
3977 (lines (count-lines (point) (point-max)))
3978 (default-mime-charset charset)
3980 (narrow-to-region (point-min) header-end)
3981 (setq xref (std11-fetch-field "xref"))
3983 (make-full-mail-header
3985 (std11-fetch-field "subject")
3986 (std11-fetch-field "from")
3987 (std11-fetch-field "date")
3988 (std11-fetch-field "message-id")
3989 (std11-fetch-field "references")
3992 (when xref (concat "Xref: " xref)))
3995 (defun gnus-article-prepare (article &optional all-headers header)
3996 "Prepare ARTICLE in article mode buffer.
3997 ARTICLE should either be an article number or a Message-ID.
3998 If ARTICLE is an id, HEADER should be the article headers.
3999 If ALL-HEADERS is non-nil, no headers are hidden."
4001 ;; Make sure we start in a summary buffer.
4002 (unless (eq major-mode 'gnus-summary-mode)
4003 (set-buffer gnus-summary-buffer))
4004 (setq gnus-summary-buffer (current-buffer))
4005 (let* ((gnus-article (if header (mail-header-number header) article))
4006 (summary-buffer (current-buffer))
4007 (gnus-tmp-internal-hook gnus-article-internal-prepare-hook)
4008 (group gnus-newsgroup-name)
4011 (gnus-article-setup-buffer)
4012 (set-buffer gnus-article-buffer)
4013 ;; Deactivate active regions.
4014 (when (and (boundp 'transient-mark-mode)
4015 transient-mark-mode)
4016 (setq mark-active nil))
4017 (if (not (setq result (let ((inhibit-read-only t))
4018 (gnus-request-article-this-buffer
4020 ;; There is no such article.
4022 (when (and (numberp article)
4023 (not (memq article gnus-newsgroup-sparse)))
4024 (setq gnus-article-current
4025 (cons gnus-newsgroup-name article))
4026 (set-buffer gnus-summary-buffer)
4027 (setq gnus-current-article article)
4028 (if (and (memq article gnus-newsgroup-undownloaded)
4029 (not (gnus-online (gnus-find-method-for-group
4030 gnus-newsgroup-name))))
4032 (gnus-summary-set-agent-mark article)
4033 (message "Message marked for downloading"))
4034 (gnus-summary-mark-article article gnus-canceled-mark)
4035 (unless (memq article gnus-newsgroup-sparse)
4036 (gnus-error 1 "No such article (may have expired or been canceled)")))))
4037 (if (or (eq result 'pseudo)
4038 (eq result 'nneething))
4041 (set-buffer summary-buffer)
4042 (push article gnus-newsgroup-history)
4043 (setq gnus-last-article gnus-current-article
4044 gnus-current-article 0
4045 gnus-current-headers nil
4046 gnus-article-current nil)
4047 (if (eq result 'nneething)
4048 (gnus-configure-windows 'summary)
4049 (gnus-configure-windows 'article))
4050 (gnus-set-global-variables))
4051 (let ((gnus-article-mime-handle-alist-1
4052 gnus-article-mime-handle-alist))
4053 (gnus-set-mode-line 'article)))
4054 ;; The result from the `request' was an actual article -
4055 ;; or at least some text that is now displayed in the
4057 (when (and (numberp article)
4058 (not (eq article gnus-current-article)))
4059 ;; Seems like a new article has been selected.
4060 ;; `gnus-current-article' must be an article number.
4062 (set-buffer summary-buffer)
4063 (push article gnus-newsgroup-history)
4064 (setq gnus-last-article gnus-current-article
4065 gnus-current-article article
4066 gnus-current-headers
4067 (gnus-summary-article-header gnus-current-article)
4068 gnus-article-current
4069 (cons gnus-newsgroup-name gnus-current-article))
4070 (unless (vectorp gnus-current-headers)
4071 (setq gnus-current-headers nil))
4072 (gnus-summary-goto-subject gnus-current-article)
4073 (when (gnus-summary-show-thread)
4074 ;; If the summary buffer really was folded, the
4075 ;; previous goto may not actually have gone to
4076 ;; the right article, but the thread root instead.
4078 (gnus-summary-goto-subject gnus-current-article))
4079 (gnus-run-hooks 'gnus-mark-article-hook)
4080 (gnus-set-mode-line 'summary)
4081 (when (gnus-visual-p 'article-highlight 'highlight)
4082 (gnus-run-hooks 'gnus-visual-mark-article-hook))
4083 ;; Set the global newsgroup variables here.
4084 (gnus-set-global-variables)
4085 (setq gnus-have-all-headers
4086 (or all-headers gnus-show-all-headers))))
4088 (gnus-configure-windows 'article))
4089 (when (or (numberp article)
4091 (gnus-article-prepare-display)
4093 (goto-char (point-min))
4094 (when gnus-break-pages
4095 (gnus-narrow-to-page)))
4096 (let ((gnus-article-mime-handle-alist-1
4097 gnus-article-mime-handle-alist))
4098 (gnus-set-mode-line 'article))
4102 (set-window-point (get-buffer-window (current-buffer)) (point))
4103 (gnus-configure-windows 'article)
4106 (defun gnus-article-prepare-mime-display (&optional number)
4107 (goto-char (point-min))
4108 (when (re-search-forward "^[^\t ]+:" nil t)
4109 (goto-char (match-beginning 0)))
4110 (let ((entity (if (eq 1 (point-min))
4111 (get-text-property 1 'mime-view-entity)
4112 (get-text-property (point) 'mime-view-entity)))
4113 last-entity child-entity next type)
4114 (setq child-entity (mime-entity-children entity))
4116 (setq last-entity (nth (1- (length child-entity))
4118 (setq last-entity entity))
4120 (narrow-to-region (point)
4121 (if (search-forward "\n\n" nil t)
4124 (gnus-treat-article 'head)
4125 (put-text-property (point-min) (point-max) 'article-treated-header t)
4126 (goto-char (point-max)))
4127 (while (and (not (eobp)) entity)
4128 (setq next (set-marker
4130 (next-single-property-change (point) 'mime-view-entity
4132 (let ((types (mime-entity-content-type entity)))
4133 (while (eq 'multipart (mime-content-type-primary-type types))
4134 (setq entity (car (mime-entity-children entity))
4135 types (mime-entity-content-type entity)))
4137 (setq type (format "%s/%s"
4138 (mime-content-type-primary-type types)
4139 (mime-content-type-subtype types)))))
4140 (if (string-equal type "message/rfc822")
4143 (let ((children (mime-entity-children entity))
4146 (setq last-children (nth (1- (length children)) children))
4149 (not (eq last-children
4150 (get-text-property next 'mime-view-entity)))
4152 (next-single-property-change next
4154 nil (point-max)))))))
4155 (setq next (next-single-property-change next 'mime-view-entity
4158 (narrow-to-region (point) next)
4159 (gnus-article-prepare-mime-display)
4160 (goto-char (point-max)))
4161 (setq entity (get-text-property (point) 'mime-view-entity)))
4163 (narrow-to-region (point) next)
4164 ;; Kludge. We have to count true number, but for now,
4165 ;; part number is here only to achieve `last'.
4166 (gnus-treat-article nil 1
4167 (if (eq entity last-entity)
4170 (goto-char (point-max)))
4171 (setq entity (get-text-property next 'mime-view-entity))))))
4174 (defun gnus-article-prepare-display ()
4175 "Make the current buffer look like a nice article."
4176 (let ((gnus-article-buffer (current-buffer))
4178 (inhibit-read-only t))
4179 (unless (eq major-mode 'gnus-article-mode)
4180 (gnus-article-mode))
4181 (setq buffer-read-only nil
4182 gnus-button-marker-list nil
4183 gnus-article-wash-types nil
4184 gnus-article-image-alist nil)
4187 (static-if (featurep 'xemacs)
4188 (map-extents (lambda (extent maparg) (delete-extent extent)))
4189 (let ((lists (overlay-lists)))
4190 (dolist (overlay (nconc (car lists) (cdr lists)))
4191 (delete-overlay overlay)))))
4192 (gnus-run-hooks 'gnus-tmp-internal-hook))
4193 (let ((show-mime (unless (member gnus-newsgroup-name '("nndraft:delayed"
4196 (inhibit-read-only t))
4197 (set-buffer gnus-original-article-buffer)
4199 (setq mime-message-structure gnus-current-headers)
4200 (mime-buffer-entity-set-buffer-internal mime-message-structure
4201 gnus-original-article-buffer)
4202 (mime-entity-set-representation-type-internal mime-message-structure
4203 'mime-buffer-entity)
4204 (luna-send mime-message-structure 'initialize-instance
4205 mime-message-structure)
4207 (let (mime-display-header-hook mime-display-text/plain-hook)
4208 (funcall gnus-article-display-method-for-mime))
4209 (funcall gnus-article-display-method-for-traditional))
4210 ;; Call the treatment functions.
4214 (gnus-article-prepare-mime-display)
4215 (narrow-to-region (goto-char (point-min))
4216 (if (search-forward "\n\n" nil t)
4219 (gnus-treat-article 'head)
4220 (put-text-property (point-min) (point-max) 'article-treated-header t)
4221 (goto-char (point-max))
4223 (narrow-to-region (point) (point-max))
4224 (gnus-treat-article nil))
4225 (put-text-property (point-min) (point-max) 'read-only nil)))
4226 (gnus-run-hooks 'gnus-article-prepare-hook))
4228 (defun gnus-article-decode-article-as-default-mime-charset ()
4229 "Decode an article as `default-mime-charset'. It won't work if the
4230 value of the variable `gnus-show-mime' is non-nil."
4231 (unless (or gnus-show-mime
4232 (member gnus-newsgroup-name '("nndraft:delayed"
4234 (set (make-local-variable 'default-mime-charset)
4235 (with-current-buffer gnus-summary-buffer
4236 default-mime-charset))
4237 (decode-mime-charset-region (point-min) (point-max)
4238 default-mime-charset)))
4241 ;;; Gnus MIME viewing functions
4244 (defvar gnus-mime-button-line-format "%{%([%p. %d%T]%)%}%e\n"
4245 "Format of the MIME buttons.
4247 Valid specifiers include:
4249 %T MIME type, along with additional info
4250 %n The `name' parameter
4251 %d The description, if any
4252 %l The length of the encoded part
4253 %p The part identifier number
4254 %e Dots if the part isn't displayed
4256 General format specifiers can also be used. See Info node
4257 `(gnus)Formatting Variables'.")
4259 (defvar gnus-mime-button-line-format-alist
4260 '((?t gnus-tmp-type ?s)
4261 (?T gnus-tmp-type-long ?s)
4262 (?n gnus-tmp-name ?s)
4263 (?d gnus-tmp-description ?s)
4265 (?l gnus-tmp-length ?d)
4266 (?e gnus-tmp-dots ?s)))
4268 (defvar gnus-mime-button-commands
4269 '((gnus-article-press-button "\r" "Toggle Display")
4270 (gnus-mime-view-part "v" "View Interactively...")
4271 (gnus-mime-view-part-as-type "t" "View As Type...")
4272 (gnus-mime-view-part-as-charset "C" "View As charset...")
4273 (gnus-mime-save-part "o" "Save...")
4274 (gnus-mime-save-part-and-strip "\C-o" "Save and Strip")
4275 (gnus-mime-delete-part "d" "Delete part")
4276 (gnus-mime-copy-part "c" "View As Text, In Other Buffer")
4277 (gnus-mime-inline-part "i" "View As Text, In This Buffer")
4278 (gnus-mime-view-part-internally "E" "View Internally")
4279 (gnus-mime-view-part-externally "e" "View Externally")
4280 (gnus-mime-print-part "p" "Print")
4281 (gnus-mime-pipe-part "|" "Pipe To Command...")
4282 (gnus-mime-action-on-part "." "Take action on the part...")))
4284 (defun gnus-article-mime-part-status ()
4285 (with-current-buffer gnus-article-buffer
4286 (let ((entity (get-text-property (point-min) 'mime-view-entity))
4289 (setq children (mime-entity-children entity))
4290 (setq children (length children)))
4293 (format " (%d parts)" children))
4296 (defvar gnus-mime-button-map
4297 (let ((map (make-sparse-keymap)))
4298 (define-key map gnus-mouse-2 'gnus-article-push-button)
4299 (define-key map gnus-down-mouse-3 'gnus-mime-button-menu)
4300 (dolist (c gnus-mime-button-commands)
4301 (define-key map (cadr c) (car c)))
4305 gnus-mime-button-menu gnus-mime-button-map "MIME button menu."
4307 ,@(mapcar (lambda (c)
4308 (vector (caddr c) (car c) :enable t))
4309 gnus-mime-button-commands)))
4311 (defun gnus-mime-button-menu (event prefix)
4312 "Construct a context-sensitive menu of MIME commands."
4313 (interactive "e\nP")
4314 (save-window-excursion
4315 (let ((pos (event-start event)))
4316 (select-window (posn-window pos))
4317 (goto-char (posn-point pos))
4318 (gnus-article-check-buffer)
4319 (popup-menu gnus-mime-button-menu nil prefix))))
4321 (defun gnus-mime-view-all-parts (&optional handles)
4322 "View all the MIME parts."
4324 (with-current-buffer gnus-article-buffer
4325 (let ((handles (or handles gnus-article-mime-handles))
4326 (mail-parse-charset gnus-newsgroup-charset)
4327 (mail-parse-ignored-charsets
4328 (with-current-buffer gnus-summary-buffer
4329 gnus-newsgroup-ignored-charsets)))
4331 (mm-remove-parts handles)
4332 (goto-char (point-min))
4333 (or (search-forward "\n\n") (goto-char (point-max)))
4334 (let ((inhibit-read-only t))
4335 (delete-region (point) (point-max))
4336 (mm-display-parts handles))))))
4339 (defsubst gnus-article-edit-part (handles)
4340 "Edit an article in order to delete a mime part.
4341 This function is exclusively used by `gnus-mime-save-part-and-strip'
4342 and `gnus-mime-delete-part', and not provided at run-time normally."
4343 (gnus-article-edit-article
4346 (let ((mail-parse-charset (or gnus-article-charset
4347 ',gnus-newsgroup-charset))
4348 (mail-parse-ignored-charsets
4349 (or gnus-article-ignored-charsets
4350 ',gnus-newsgroup-ignored-charsets))
4351 (mbl mml-buffer-list))
4352 (setq mml-buffer-list nil)
4353 (insert-buffer gnus-original-article-buffer)
4354 (mime-to-mml ',handles)
4355 (setq gnus-article-mime-handles nil)
4356 (let ((mbl1 mml-buffer-list))
4357 (setq mml-buffer-list mbl)
4358 (set (make-local-variable 'mml-buffer-list) mbl1))
4359 (gnus-make-local-hook 'kill-buffer-hook)
4360 (add-hook 'kill-buffer-hook 'mml-destroy-buffers t t)))
4361 `(lambda (no-highlight)
4362 (let ((mail-parse-charset (or gnus-article-charset
4363 ',gnus-newsgroup-charset))
4364 (message-options message-options)
4365 (message-options-set-recipient)
4366 (mail-parse-ignored-charsets
4367 (or gnus-article-ignored-charsets
4368 ',gnus-newsgroup-ignored-charsets)))
4370 (mml-destroy-buffers)
4371 (remove-hook 'kill-buffer-hook
4372 'mml-destroy-buffers t)
4373 (kill-local-variable 'mml-buffer-list))
4374 (gnus-summary-edit-article-done
4375 ,(or (mail-header-references gnus-current-headers) "")
4376 ,(gnus-group-read-only-p)
4377 ,gnus-summary-buffer no-highlight)))
4378 (gnus-article-edit-done)
4379 (gnus-summary-expand-window)
4380 (gnus-summary-show-article)))
4382 (defun gnus-mime-save-part-and-strip ()
4383 "Save the MIME part under point then replace it with an external body."
4385 (gnus-article-check-buffer)
4386 (when (gnus-group-read-only-p)
4387 (error "The current group does not support deleting of parts"))
4388 (when (mm-complicated-handles gnus-article-mime-handles)
4390 The current article has a complicated MIME structure, giving up..."))
4391 (when (gnus-yes-or-no-p "\
4392 Deleting parts may malfunction or destroy the article; continue? ")
4393 (let* ((data (get-text-property (point) 'gnus-data))
4395 (handles gnus-article-mime-handles))
4396 (setq file (and data (mm-save-part data)))
4398 (with-current-buffer (mm-handle-buffer data)
4400 (insert "Content-Type: " (mm-handle-media-type data))
4401 (mml-insert-parameter-string (cdr (mm-handle-type data))
4404 (insert "Content-ID: " (message-make-message-id) "\n")
4405 (insert "Content-Transfer-Encoding: binary\n")
4408 (cdr (mm-make-handle nil
4409 `("message/external-body"
4410 (access-type . "LOCAL-FILE")
4412 (set-buffer gnus-summary-buffer)
4413 (gnus-article-edit-part handles)))))
4415 (defun gnus-mime-delete-part ()
4416 "Delete the MIME part under point.
4417 Replace it with some information about the removed part."
4419 (gnus-article-check-buffer)
4420 (when (gnus-group-read-only-p)
4421 (error "The current group does not support deleting of parts"))
4422 (when (mm-complicated-handles gnus-article-mime-handles)
4424 The current article has a complicated MIME structure, giving up..."))
4425 (when (gnus-yes-or-no-p "\
4426 Deleting parts may malfunction or destroy the article; continue? ")
4427 (let* ((data (get-text-property (point) 'gnus-data))
4428 (handles gnus-article-mime-handles)
4432 (mail-decode-encoded-word-string (or (mm-handle-description data)
4435 (or (mail-content-type-get (mm-handle-disposition data) 'filename)
4437 (type (mm-handle-media-type data)))
4439 (error "No MIME part under point"))
4440 (with-current-buffer (mm-handle-buffer data)
4441 (let ((bsize (format "%s" (buffer-size))))
4446 "| The following attachment has been deleted:\n"
4448 "| Type: " type "\n"
4449 "| Filename: " filename "\n"
4450 "| Size (encoded): " bsize " Byte\n"
4451 "| Description: " description "\n"
4454 (cdr (mm-make-handle
4455 nil `("text/plain") nil nil
4457 (format "Deleted attachment (%s bytes)" bsize))))))
4458 (set-buffer gnus-summary-buffer)
4459 (gnus-article-edit-part handles))))
4461 (defun gnus-mime-save-part ()
4462 "Save the MIME part under point."
4464 (gnus-article-check-buffer)
4465 (let ((data (get-text-property (point) 'gnus-data)))
4467 (mm-save-part data))))
4469 (defun gnus-mime-pipe-part ()
4470 "Pipe the MIME part under point to a process."
4472 (gnus-article-check-buffer)
4473 (let ((data (get-text-property (point) 'gnus-data)))
4475 (mm-pipe-part data))))
4477 (defun gnus-mime-view-part ()
4478 "Interactively choose a viewing method for the MIME part under point."
4480 (gnus-article-check-buffer)
4481 (let ((data (get-text-property (point) 'gnus-data)))
4483 (setq gnus-article-mime-handles
4485 gnus-article-mime-handles (setq data (copy-sequence data))))
4486 (mm-interactively-view-part data))))
4488 (defun gnus-mime-view-part-as-type-internal ()
4489 (gnus-article-check-buffer)
4490 (let* ((name (mail-content-type-get
4491 (mm-handle-type (get-text-property (point) 'gnus-data))
4493 (def-type (and name (mm-default-file-encoding name))))
4494 (and def-type (cons def-type 0))))
4496 (defun gnus-mime-view-part-as-type (&optional mime-type)
4497 "Choose a MIME media type, and view the part as such."
4500 (setq mime-type (completing-read
4501 "View as MIME type: "
4502 (mapcar #'list (mailcap-mime-types))
4504 (gnus-mime-view-part-as-type-internal))))
4505 (gnus-article-check-buffer)
4506 (let ((handle (get-text-property (point) 'gnus-data)))
4509 (mm-make-handle (mm-handle-buffer handle)
4510 (cons mime-type (cdr (mm-handle-type handle)))
4511 (mm-handle-encoding handle)
4512 (mm-handle-undisplayer handle)
4513 (mm-handle-disposition handle)
4514 (mm-handle-description handle)
4516 (mm-handle-id handle)))
4517 (setq gnus-article-mime-handles
4518 (mm-merge-handles gnus-article-mime-handles handle))
4519 (gnus-mm-display-part handle))))
4522 (require 'jka-compr))
4524 ;; jka-compr.el uses a "sh -c" to direct stderr to err-file, but these days
4525 ;; emacs can do that itself.
4527 (defun gnus-mime-jka-compr-maybe-uncompress ()
4528 "Uncompress the current buffer if `auto-compression-mode' is enabled.
4529 The uncompress method used is derived from `buffer-file-name'."
4530 (when (and (fboundp 'jka-compr-installed-p)
4531 (jka-compr-installed-p))
4532 (let ((info (jka-compr-get-compression-info buffer-file-name)))
4534 (let ((basename (file-name-nondirectory buffer-file-name))
4535 (args (jka-compr-info-uncompress-args info))
4536 (prog (jka-compr-info-uncompress-program info))
4537 (message (jka-compr-info-uncompress-message info))
4538 (err-file (jka-compr-make-temp-name)))
4540 (message "%s %s..." message basename))
4542 (unless (memq (apply 'call-process-region
4543 (point-min) (point-max)
4545 t (list t err-file) nil
4547 jka-compr-acceptable-retval-list)
4548 (jka-compr-error prog args basename message err-file))
4549 (jka-compr-delete-temp-file err-file)))))))
4551 (defun gnus-mime-copy-part (&optional handle)
4552 "Put the MIME part under point into a new buffer.
4553 If `auto-compression-mode' is enabled, compressed files like .gz and .bz2
4556 (gnus-article-check-buffer)
4557 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4558 (contents (and handle (mm-get-part handle)))
4560 (file-name-nondirectory
4562 (mail-content-type-get (mm-handle-type handle) 'name)
4563 (mail-content-type-get (mm-handle-disposition handle)
4566 (buffer (and base (generate-new-buffer base))))
4568 (switch-to-buffer buffer)
4570 ;; We do it this way to make `normal-mode' set the appropriate mode.
4573 (setq buffer-file-name (expand-file-name base))
4574 (gnus-mime-jka-compr-maybe-uncompress)
4576 (setq buffer-file-name nil))
4577 (goto-char (point-min)))))
4579 (defun gnus-mime-print-part (&optional handle filename)
4580 "Print the MIME part under point."
4581 (interactive (list nil (ps-print-preprint current-prefix-arg)))
4582 (gnus-article-check-buffer)
4583 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4584 (contents (and handle (mm-get-part handle)))
4585 (file (mm-make-temp-file (expand-file-name "mm." mm-tmp-directory)))
4586 (printer (mailcap-mime-info (mm-handle-media-type handle) "print")))
4591 (mm-save-part-to-file handle file)
4592 (call-process shell-file-name nil
4593 (generate-new-buffer " *mm*")
4595 shell-command-switch
4597 printer file (mm-handle-type handle))))
4601 (gnus-print-buffer))
4602 (ps-despool filename)))))
4604 (defun gnus-mime-inline-part (&optional handle arg)
4605 "Insert the MIME part under point into the current buffer."
4606 (interactive (list nil current-prefix-arg))
4607 (gnus-article-check-buffer)
4608 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4611 (inhibit-read-only t))
4613 (if (and (not arg) (mm-handle-undisplayer handle))
4614 (mm-remove-part handle)
4615 (setq contents (mm-get-part handle))
4618 (setq charset (or (mail-content-type-get
4619 (mm-handle-type handle) 'charset)
4620 gnus-newsgroup-charset)))
4622 (if (mm-handle-undisplayer handle)
4623 (mm-remove-part handle))
4626 gnus-summary-show-article-charset-alist))
4627 (mm-read-coding-system "Charset: ")))))
4629 (mm-insert-inline handle
4631 (setq charset (mm-charset-to-coding-system
4633 (not (eq charset 'ascii)))
4634 (mm-decode-coding-string contents charset)
4638 (defun gnus-mime-view-part-as-charset (&optional handle arg)
4639 "Insert the MIME part under point into the current buffer using the
4641 (interactive (list nil current-prefix-arg))
4642 (gnus-article-check-buffer)
4643 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4646 (inhibit-read-only t))
4648 (if (mm-handle-undisplayer handle)
4649 (mm-remove-part handle))
4650 (let ((gnus-newsgroup-charset
4652 gnus-summary-show-article-charset-alist))
4653 (mm-read-coding-system "Charset: ")))
4654 (gnus-newsgroup-ignored-charsets 'gnus-all))
4655 (gnus-article-press-button)))))
4657 (defun gnus-mime-view-part-externally (&optional handle)
4658 "View the MIME part under point with an external viewer."
4660 (gnus-article-check-buffer)
4661 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4662 (mm-user-display-methods nil)
4663 (mm-inlined-types nil)
4664 (mail-parse-charset gnus-newsgroup-charset)
4665 (mail-parse-ignored-charsets
4666 (with-current-buffer gnus-summary-buffer
4667 gnus-newsgroup-ignored-charsets)))
4669 (if (mm-handle-undisplayer handle)
4670 (mm-remove-part handle)
4671 (mm-display-part handle)))))
4673 (defun gnus-mime-view-part-internally (&optional handle)
4674 "View the MIME part under point with an internal viewer.
4675 If no internal viewer is available, use an external viewer."
4677 (gnus-article-check-buffer)
4678 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4679 (mm-inlined-types '(".*"))
4680 (mm-inline-large-images t)
4681 (mail-parse-charset gnus-newsgroup-charset)
4682 (mail-parse-ignored-charsets
4683 (with-current-buffer gnus-summary-buffer
4684 gnus-newsgroup-ignored-charsets))
4685 (inhibit-read-only t))
4687 (if (mm-handle-undisplayer handle)
4688 (mm-remove-part handle)
4689 (mm-display-part handle)))))
4691 (defun gnus-mime-action-on-part (&optional action)
4692 "Do something with the MIME attachment at \(point\)."
4694 (list (completing-read "Action: " gnus-mime-action-alist nil t)))
4695 (gnus-article-check-buffer)
4696 (let ((action-pair (assoc action gnus-mime-action-alist)))
4698 (funcall (cdr action-pair)))))
4700 (defun gnus-article-part-wrapper (n function)
4701 (with-current-buffer gnus-article-buffer
4702 (when (> n (length gnus-article-mime-handle-alist))
4703 (error "No such part"))
4704 (gnus-article-goto-part n)
4705 (let ((handle (cdr (assq n gnus-article-mime-handle-alist))))
4706 (funcall function handle))))
4708 (defun gnus-article-pipe-part (n)
4709 "Pipe MIME part N, which is the numerical prefix."
4711 (gnus-article-part-wrapper n 'mm-pipe-part))
4713 (defun gnus-article-save-part (n)
4714 "Save MIME part N, which is the numerical prefix."
4716 (gnus-article-part-wrapper n 'mm-save-part))
4718 (defun gnus-article-interactively-view-part (n)
4719 "View MIME part N interactively, which is the numerical prefix."
4721 (gnus-article-part-wrapper n 'mm-interactively-view-part))
4723 (defun gnus-article-copy-part (n)
4724 "Copy MIME part N, which is the numerical prefix."
4726 (gnus-article-part-wrapper n 'gnus-mime-copy-part))
4728 (defun gnus-article-view-part-as-charset (n)
4729 "View MIME part N using a specified charset.
4730 N is the numerical prefix."
4732 (gnus-article-part-wrapper n 'gnus-mime-view-part-as-charset))
4734 (defun gnus-article-view-part-externally (n)
4735 "View MIME part N externally, which is the numerical prefix."
4737 (gnus-article-part-wrapper n 'gnus-mime-view-part-externally))
4739 (defun gnus-article-inline-part (n)
4740 "Inline MIME part N, which is the numerical prefix."
4742 (gnus-article-part-wrapper n 'gnus-mime-inline-part))
4744 (defun gnus-article-mime-match-handle-first (condition)
4746 (let ((alist gnus-article-mime-handle-alist) ihandle n)
4747 (while (setq ihandle (pop alist))
4749 ((functionp condition)
4750 (funcall condition (cdr ihandle)))
4751 ((eq condition 'undisplayed)
4752 (not (or (mm-handle-undisplayer (cdr ihandle))
4753 (equal (mm-handle-media-type (cdr ihandle))
4754 "multipart/alternative"))))
4755 ((eq condition 'undisplayed-alternative)
4756 (not (mm-handle-undisplayer (cdr ihandle))))
4758 (gnus-article-goto-part (car ihandle))
4759 (or (not n) (< (car ihandle) n)))
4760 (setq n (car ihandle))))
4764 (defun gnus-article-view-part (&optional n)
4765 "View MIME part N, which is the numerical prefix."
4767 (with-current-buffer gnus-article-buffer
4768 (or (numberp n) (setq n (gnus-article-mime-match-handle-first
4769 gnus-article-mime-match-handle-function)))
4770 (when (> n (length gnus-article-mime-handle-alist))
4771 (error "No such part"))
4772 (let ((handle (cdr (assq n gnus-article-mime-handle-alist))))
4773 (when (gnus-article-goto-part n)
4774 (if (equal (car handle) "multipart/alternative")
4775 (gnus-article-press-button)
4776 (when (eq (gnus-mm-display-part handle) 'internal)
4777 (gnus-set-window-start)))))))
4779 (defsubst gnus-article-mime-total-parts ()
4780 (if (bufferp (car gnus-article-mime-handles))
4782 (1- (length gnus-article-mime-handles))))
4784 (defun gnus-mm-display-part (handle)
4785 "Display HANDLE and fix MIME button."
4786 (let ((id (get-text-property (point) 'gnus-part))
4788 (inhibit-read-only t))
4791 (let ((window (selected-window))
4792 (mail-parse-charset gnus-newsgroup-charset)
4793 (mail-parse-ignored-charsets
4794 (if (gnus-buffer-live-p gnus-summary-buffer)
4795 (with-current-buffer gnus-summary-buffer
4796 gnus-newsgroup-ignored-charsets)
4800 (let ((win (gnus-get-buffer-window (current-buffer) t))
4803 (select-window win))
4806 (if (mm-handle-displayed-p handle)
4807 ;; This will remove the part.
4808 (mm-display-part handle)
4810 (narrow-to-region (point)
4811 (if (eobp) (point) (1+ (point))))
4812 (mm-display-part handle)
4813 ;; We narrow to the part itself and
4814 ;; then call the treatment functions.
4815 (goto-char (point-min))
4817 (narrow-to-region (point) (point-max))
4820 (gnus-article-mime-total-parts)
4821 (mm-handle-media-type handle)))))
4822 (if (window-live-p window)
4823 (select-window window)))))
4826 (gnus-insert-mime-button
4827 handle id (list (mm-handle-displayed-p handle)))
4828 (goto-char point))))
4830 (defun gnus-article-goto-part (n)
4831 "Go to MIME part N."
4832 (gnus-goto-char (text-property-any (point-min) (point-max) 'gnus-part n)))
4834 (defun gnus-insert-mime-button (handle gnus-tmp-id &optional displayed)
4835 (let ((gnus-tmp-name
4836 (or (mail-content-type-get (mm-handle-type handle) 'name)
4837 (mail-content-type-get (mm-handle-disposition handle) 'filename)
4838 (mail-content-type-get (mm-handle-type handle) 'url)
4840 (gnus-tmp-type (mm-handle-media-type handle))
4841 (gnus-tmp-description
4842 (mail-decode-encoded-word-string (or (mm-handle-description handle)
4845 (if (if displayed (car displayed)
4846 (mm-handle-displayed-p handle))
4848 (gnus-tmp-length (with-current-buffer (mm-handle-buffer handle)
4850 gnus-tmp-type-long b e)
4851 (when (string-match ".*/" gnus-tmp-name)
4852 (setq gnus-tmp-name (replace-match "" t t gnus-tmp-name)))
4853 (setq gnus-tmp-type-long (concat gnus-tmp-type
4854 (and (not (equal gnus-tmp-name ""))
4855 (concat "; " gnus-tmp-name))))
4856 (unless (equal gnus-tmp-description "")
4857 (setq gnus-tmp-type-long (concat " --- " gnus-tmp-type-long)))
4862 gnus-mime-button-line-format gnus-mime-button-line-format-alist
4863 `(keymap ,gnus-mime-button-map
4864 gnus-callback gnus-mm-display-part
4865 gnus-part ,gnus-tmp-id
4866 article-type annotation
4869 ;; Exclude a newline.
4872 (widget-convert-button
4875 :action 'gnus-widget-press-button
4876 :button-keymap gnus-mime-button-map
4878 (lambda (widget/window &optional overlay pos)
4879 ;; Needed to properly clear the message due to a bug in
4880 ;; wid-edit (XEmacs only).
4881 (if (boundp 'help-echo-owns-message)
4882 (setq help-echo-owns-message t))
4884 "%S: %s the MIME part; %S: more options"
4885 (aref gnus-mouse-2 0)
4886 ;; XEmacs will get a single widget arg; Emacs 21 will get
4887 ;; window, overlay, position.
4888 (if (mm-handle-displayed-p
4890 (with-current-buffer (gnus-overlay-buffer overlay)
4891 (widget-get (widget-at (gnus-overlay-start overlay))
4893 (widget-get widget/window :mime-handle)))
4895 (aref gnus-down-mouse-3 0))))))
4897 (defun gnus-widget-press-button (elems el)
4898 (goto-char (widget-get elems :from))
4899 (gnus-article-press-button))
4901 (defvar gnus-displaying-mime nil)
4903 (defun gnus-display-mime (&optional ihandles)
4904 "Display the MIME parts."
4906 (save-selected-window
4907 (let ((window (get-buffer-window gnus-article-buffer))
4910 (select-window window)
4911 ;; We have to do this since selecting the window
4912 ;; may change the point. So we set the window point.
4913 (set-window-point window point)))
4914 (let* ((handles (or ihandles
4915 (mm-dissect-buffer nil gnus-article-loose-mime)
4916 (and gnus-article-emulate-mime
4918 (inhibit-read-only t) handle name type b e display)
4919 (when (and (not ihandles)
4920 (not gnus-displaying-mime))
4921 ;; Top-level call; we clean up.
4922 (when gnus-article-mime-handles
4923 (mm-destroy-parts gnus-article-mime-handles)
4924 (setq gnus-article-mime-handle-alist nil));; A trick.
4925 (setq gnus-article-mime-handles handles)
4926 ;; We allow users to glean info from the handles.
4927 (when gnus-article-mime-part-function
4928 (gnus-mime-part-function handles)))
4930 (or (not (stringp (car handles)))
4933 (when (and (not ihandles)
4934 (not gnus-displaying-mime))
4935 ;; Clean up for mime parts.
4937 (delete-region (point) (point-max)))
4938 (let ((gnus-displaying-mime t))
4939 (gnus-mime-display-part handles)))
4942 (narrow-to-region (point) (point-max))
4943 (gnus-treat-article nil 1 1)
4946 ;; Highlight the headers.
4950 (narrow-to-region (point-min) (point))
4951 (gnus-treat-article 'head))))))))
4953 (defcustom gnus-mime-display-multipart-as-mixed nil
4954 "Display \"multipart\" parts as \"multipart/mixed\".
4956 If t, it overrides nil values of
4957 `gnus-mime-display-multipart-alternative-as-mixed' and
4958 `gnus-mime-display-multipart-related-as-mixed'."
4959 :group 'gnus-article-mime
4962 (defcustom gnus-mime-display-multipart-alternative-as-mixed nil
4963 "Display \"multipart/alternative\" parts as \"multipart/mixed\"."
4965 :group 'gnus-article-mime
4968 (defcustom gnus-mime-display-multipart-related-as-mixed nil
4969 "Display \"multipart/related\" parts as \"multipart/mixed\".
4971 If displaying \"text/html\" is discouraged \(see
4972 `mm-discouraged-alternatives'\) images or other material inside a
4973 \"multipart/related\" part might be overlooked when this variable is nil."
4975 :group 'gnus-article-mime
4978 (defun gnus-mime-display-part (handle)
4981 ((not (stringp (car handle)))
4982 (gnus-mime-display-single handle))
4983 ;; User-defined multipart
4984 ((cdr (assoc (car handle) gnus-mime-multipart-functions))
4985 (funcall (cdr (assoc (car handle) gnus-mime-multipart-functions))
4987 ;; multipart/alternative
4988 ((and (equal (car handle) "multipart/alternative")
4989 (not (or gnus-mime-display-multipart-as-mixed
4990 gnus-mime-display-multipart-alternative-as-mixed)))
4991 (let ((id (1+ (length gnus-article-mime-handle-alist))))
4992 (push (cons id handle) gnus-article-mime-handle-alist)
4993 (gnus-mime-display-alternative (cdr handle) nil nil id)))
4994 ;; multipart/related
4995 ((and (equal (car handle) "multipart/related")
4996 (not (or gnus-mime-display-multipart-as-mixed
4997 gnus-mime-display-multipart-related-as-mixed)))
4998 ;;;!!!We should find the start part, but we just default
4999 ;;;!!!to the first part.
5000 ;;(gnus-mime-display-part (cadr handle))
5001 ;;;!!! Most multipart/related is an HTML message plus images.
5002 ;;;!!! Unfortunately we are unable to let W3 display those
5003 ;;;!!! included images, so we just display it as a mixed multipart.
5004 ;;(gnus-mime-display-mixed (cdr handle))
5005 ;;;!!! No, w3 can display everything just fine.
5006 (gnus-mime-display-part (cadr handle)))
5007 ((equal (car handle) "multipart/signed")
5008 (gnus-add-wash-type 'signed)
5009 (gnus-mime-display-security handle))
5010 ((equal (car handle) "multipart/encrypted")
5011 (gnus-add-wash-type 'encrypted)
5012 (gnus-mime-display-security handle))
5013 ;; Other multiparts are handled like multipart/mixed.
5015 (gnus-mime-display-mixed (cdr handle)))))
5017 (defun gnus-mime-part-function (handles)
5018 (if (stringp (car handles))
5019 (mapcar 'gnus-mime-part-function (cdr handles))
5020 (funcall gnus-article-mime-part-function handles)))
5022 (defun gnus-mime-display-mixed (handles)
5023 (mapcar 'gnus-mime-display-part handles))
5025 (defun gnus-mime-display-single (handle)
5026 (let ((type (mm-handle-media-type handle))
5027 (ignored gnus-ignored-mime-types)
5034 (when (string-match (pop ignored) type)
5035 (throw 'ignored nil)))
5036 (if (and (setq not-attachment
5037 (and (not (mm-inline-override-p handle))
5038 (or (not (mm-handle-disposition handle))
5039 (equal (car (mm-handle-disposition handle))
5041 (mm-attachment-override-p handle))))
5042 (mm-automatic-display-p handle)
5044 (mm-inlinable-p handle)
5045 (mm-inlined-p handle))
5046 (mm-automatic-external-display-p type)))
5048 (when (equal (mm-handle-media-supertype handle) "text")
5050 (let ((id (1+ (length gnus-article-mime-handle-alist)))
5052 (push (cons id handle) gnus-article-mime-handle-alist)
5053 (when (or (not display)
5054 (not (gnus-unbuttonized-mime-type-p type)))
5055 (gnus-insert-mime-button
5056 handle id (list (or display (and not-attachment text))))
5057 (gnus-article-insert-newline)
5058 ;; Remember modify the number of forward lines.
5066 (let ((mail-parse-charset gnus-newsgroup-charset)
5067 (mail-parse-ignored-charsets
5068 (save-excursion (condition-case ()
5069 (set-buffer gnus-summary-buffer)
5071 gnus-newsgroup-ignored-charsets)))
5072 (mm-display-part handle t))
5073 (goto-char (point-max)))
5074 ((and text not-attachment)
5078 (gnus-article-insert-newline)
5079 (mm-insert-inline handle (mm-get-part handle))
5080 (goto-char (point-max))))
5084 (narrow-to-region beg (point))
5087 (gnus-article-mime-total-parts)
5088 (mm-handle-media-type handle)))))))))
5090 (defun gnus-unbuttonized-mime-type-p (type)
5091 "Say whether TYPE is to be unbuttonized."
5092 (unless gnus-inhibit-mime-unbuttonizing
5094 (let ((types gnus-unbuttonized-mime-types))
5096 (when (string-match (pop types) type)
5097 (throw 'found t)))))
5099 (let ((types gnus-buttonized-mime-types))
5101 (when (string-match (pop types) type)
5102 (throw 'found t)))))))))
5104 (defun gnus-article-insert-newline ()
5105 "Insert a newline, but mark it as undeletable."
5106 (gnus-put-text-property
5107 (point) (progn (insert "\n") (point)) 'gnus-undeletable t))
5109 (defun gnus-mime-display-alternative (handles &optional preferred ibegend id)
5110 (let* ((preferred (or preferred (mm-preferred-alternative handles)))
5113 handle (inhibit-read-only t) from props begend not-pref)
5114 (save-window-excursion
5117 (narrow-to-region (car ibegend)
5120 (goto-char (car ibegend))
5123 (delete-region (point-min) (point-max))
5124 (mm-remove-parts handles))
5125 (setq begend (list (point-marker)))
5127 (unless (setq not-pref (cadr (member preferred ihandles)))
5128 (setq not-pref (car ihandles)))
5131 (not (gnus-unbuttonized-mime-type-p
5132 "multipart/alternative")))
5133 (gnus-add-text-properties
5136 (insert (format "%d. " id))
5140 (unless ,(not ibegend)
5141 (setq gnus-article-mime-handle-alist
5142 ',gnus-article-mime-handle-alist))
5143 (gnus-mime-display-alternative
5144 ',ihandles ',not-pref ',begend ,id))
5145 keymap ,gnus-mime-button-map
5146 ,gnus-mouse-face-prop ,gnus-article-mouse-face
5147 face ,gnus-article-button-face
5150 (widget-convert-button 'link from (point)
5151 :action 'gnus-widget-press-button
5152 :button-keymap gnus-widget-button-keymap)
5154 (while (setq handle (pop handles))
5155 (gnus-add-text-properties
5158 (insert (format "(%c) %-18s"
5159 (if (equal handle preferred) ?* ? )
5160 (mm-handle-media-type handle)))
5164 (unless ,(not ibegend)
5165 (setq gnus-article-mime-handle-alist
5166 ',gnus-article-mime-handle-alist))
5167 (gnus-mime-display-alternative
5168 ',ihandles ',handle ',begend ,id))
5169 keymap ,gnus-mime-button-map
5170 ,gnus-mouse-face-prop ,gnus-article-mouse-face
5171 face ,gnus-article-button-face
5174 (widget-convert-button 'link from (point)
5175 :action 'gnus-widget-press-button
5176 :button-keymap gnus-widget-button-keymap)
5180 (if (stringp (car preferred))
5181 (gnus-display-mime preferred)
5182 (let ((mail-parse-charset gnus-newsgroup-charset)
5183 (mail-parse-ignored-charsets
5184 (with-current-buffer gnus-summary-buffer
5185 gnus-newsgroup-ignored-charsets)))
5186 (mm-display-part preferred)
5190 (narrow-to-region (car begend) (point-max))
5192 nil (length gnus-article-mime-handle-alist)
5193 (gnus-article-mime-total-parts)
5194 (mm-handle-media-type handle))))))
5195 (goto-char (point-max))
5196 (setcdr begend (point-marker)))))
5198 (goto-char point))))
5200 (defconst gnus-article-wash-status-strings
5201 (let ((alist '((cite "c" "Possible hidden citation text"
5202 " " "All citation text visible")
5203 (headers "h" "Hidden headers"
5204 " " "All headers visible.")
5205 (pgp "p" "Encrypted or signed message status hidden"
5206 " " "No hidden encryption nor digital signature status")
5207 (signature "s" "Signature has been hidden"
5208 " " "Signature is visible")
5209 (overstrike "o" "Overstrike (^H) characters applied"
5210 " " "No overstrike characters applied")
5211 (gnus-show-mime "m" "Mime processing is activated"
5212 " " "Mime processing is not activated")
5213 (emphasis "e" "/*_Emphasis_*/ characters applied"
5214 " " "No /*_emphasis_*/ characters applied")))
5216 (dolist (entry alist result)
5217 (let ((key (nth 0 entry))
5218 (on (copy-sequence (nth 1 entry)))
5219 (on-help (nth 2 entry))
5220 (off (copy-sequence (nth 3 entry)))
5221 (off-help (nth 4 entry)))
5222 (put-text-property 0 1 'help-echo on-help on)
5223 (put-text-property 0 1 'help-echo off-help off)
5224 (push (list key on off) result))))
5225 "Alist of strings describing wash status in the mode line.
5226 Each entry has the form (KEY ON OF), where the KEY is a symbol
5227 representing the particular washing function, ON is the string to use
5228 in the article mode line when the washing function is active, and OFF
5229 is the string to use when it is inactive.")
5231 (defun gnus-article-wash-status-entry (key value)
5232 (let ((entry (assoc key gnus-article-wash-status-strings)))
5233 (if value (nth 1 entry) (nth 2 entry))))
5235 (defun gnus-article-wash-status ()
5236 "Return a string which display status of article washing."
5237 (with-current-buffer gnus-article-buffer
5238 (let ((cite (memq 'cite gnus-article-wash-types))
5239 (headers (memq 'headers gnus-article-wash-types))
5240 (boring (memq 'boring-headers gnus-article-wash-types))
5241 (pgp (memq 'pgp gnus-article-wash-types))
5242 (pem (memq 'pem gnus-article-wash-types))
5243 (signed (memq 'signed gnus-article-wash-types))
5244 (encrypted (memq 'encrypted gnus-article-wash-types))
5245 (signature (memq 'signature gnus-article-wash-types))
5246 (overstrike (memq 'overstrike gnus-article-wash-types))
5247 (emphasis (memq 'emphasis gnus-article-wash-types)))
5249 (gnus-article-wash-status-entry 'cite cite)
5250 (gnus-article-wash-status-entry 'headers (or headers boring))
5251 (gnus-article-wash-status-entry 'pgp (or pgp pem signed encrypted))
5252 (gnus-article-wash-status-entry 'signature signature)
5253 (gnus-article-wash-status-entry 'overstrike overstrike)
5254 (gnus-article-wash-status-entry 'gnus-show-mime gnus-show-mime)
5255 (gnus-article-wash-status-entry 'emphasis emphasis)))))
5257 (defun gnus-add-wash-type (type)
5258 "Add a washing of TYPE to the current status."
5259 (add-to-list 'gnus-article-wash-types type))
5261 (defun gnus-delete-wash-type (type)
5262 "Add a washing of TYPE to the current status."
5263 (setq gnus-article-wash-types (delq type gnus-article-wash-types)))
5265 (defun gnus-add-image (category image)
5266 "Add IMAGE of CATEGORY to the list of displayed images."
5267 (let ((entry (assq category gnus-article-image-alist)))
5269 (setq entry (list category))
5270 (push entry gnus-article-image-alist))
5271 (nconc entry (list image))))
5273 (defun gnus-delete-images (category)
5274 "Delete all images in CATEGORY."
5275 (let ((entry (assq category gnus-article-image-alist)))
5276 (dolist (image (cdr entry))
5277 (gnus-remove-image image category))
5278 (setq gnus-article-image-alist (delq entry gnus-article-image-alist))
5279 (gnus-delete-wash-type category)))
5281 (defalias 'gnus-article-hide-headers-if-wanted 'gnus-article-maybe-hide-headers)
5283 (defun gnus-article-maybe-hide-headers ()
5284 "Hide unwanted headers if `gnus-have-all-headers' is nil.
5285 Provided for backwards compatibility."
5286 (when (and (or (not (gnus-buffer-live-p gnus-summary-buffer))
5287 (not (with-current-buffer gnus-summary-buffer
5288 gnus-have-all-headers)))
5289 (not gnus-inhibit-hiding))
5290 (gnus-article-hide-headers)))
5294 (defun gnus-output-to-file (file-name)
5295 "Append the current article to a file named FILE-NAME."
5296 (let ((artbuf (current-buffer)))
5298 (insert-buffer-substring artbuf)
5299 ;; Append newline at end of the buffer as separator, and then
5301 (goto-char (point-max))
5303 (let ((file-name-coding-system nnmail-pathname-coding-system))
5304 (write-region-as-binary (point-min) (point-max) file-name 'append))
5307 (defun gnus-narrow-to-page (&optional arg)
5308 "Narrow the article buffer to a page.
5309 If given a numerical ARG, move forward ARG pages."
5311 (setq arg (if arg (prefix-numeric-value arg) 0))
5313 (set-buffer gnus-article-buffer)
5314 (goto-char (point-min))
5316 ;; Remove any old next/prev buttons.
5317 (when (gnus-visual-p 'page-marker)
5318 (let ((inhibit-read-only t))
5319 (gnus-remove-text-with-property 'gnus-prev)
5320 (gnus-remove-text-with-property 'gnus-next)))
5323 (re-search-backward page-delimiter nil 'move (1+ (abs arg))))
5325 (re-search-forward page-delimiter nil 'move arg)))
5326 (goto-char (match-end 0))
5328 (goto-char (point-min))
5329 (setq gnus-page-broken
5330 (and (re-search-forward page-delimiter nil t) t))))
5331 (when gnus-page-broken
5334 (if (re-search-forward page-delimiter nil 'move)
5337 (when (and (gnus-visual-p 'page-marker)
5338 (> (point-min) (save-restriction (widen) (point-min))))
5340 (goto-char (point-min))
5341 (gnus-insert-prev-page-button)))
5342 (when (and (gnus-visual-p 'page-marker)
5343 (< (+ (point-max) 2) (buffer-size)))
5345 (goto-char (point-max))
5346 (gnus-insert-next-page-button))))))
5348 ;; Article mode commands
5350 (defun gnus-article-goto-next-page ()
5351 "Show the next page of the article."
5353 (when (gnus-article-next-page)
5354 (goto-char (point-min))
5355 (gnus-article-read-summary-keys nil (gnus-character-to-event ?n))))
5358 (defun gnus-article-goto-prev-page ()
5359 "Show the previous page of the article."
5362 (gnus-article-read-summary-keys nil (gnus-character-to-event ?p))
5363 (gnus-article-prev-page nil)))
5365 ;; This is cleaner but currently breaks `gnus-pick-mode':
5367 ;; (defun gnus-article-goto-next-page ()
5368 ;; "Show the next page of the article."
5370 ;; (gnus-eval-in-buffer-window gnus-summary-buffer
5371 ;; (gnus-summary-next-page)))
5373 ;; (defun gnus-article-goto-prev-page ()
5374 ;; "Show the next page of the article."
5376 ;; (gnus-eval-in-buffer-window gnus-summary-buffer
5377 ;; (gnus-summary-prev-page)))
5379 (defun gnus-article-next-page (&optional lines)
5380 "Show the next page of the current article.
5381 If end of article, return non-nil. Otherwise return nil.
5382 Argument LINES specifies lines to be scrolled up."
5384 (move-to-window-line -1)
5387 (and (pos-visible-in-window-p) ;Not continuation line.
5388 (>= (1+ (point)) (point-max)))) ;Allow for trailing newline.
5389 ;; Nothing in this page.
5390 (if (or (not gnus-page-broken)
5395 (eobp)))) ;Real end-of-buffer?
5397 (when gnus-article-over-scroll
5398 (gnus-article-next-page-1 lines))
5400 (gnus-narrow-to-page 1) ;Go to next page.
5402 ;; More in this page.
5403 (gnus-article-next-page-1 lines)
5406 (defun gnus-article-next-page-1 (lines)
5407 (let ((scroll-in-place nil))
5411 ;; Long lines may cause an end-of-buffer error.
5412 (goto-char (point-max)))))
5413 (move-to-window-line 0))
5415 (defun gnus-article-prev-page (&optional lines)
5416 "Show previous page of current article.
5417 Argument LINES specifies lines to be scrolled down."
5419 (move-to-window-line 0)
5420 (if (and gnus-page-broken
5422 (not (save-restriction (widen) (bobp)))) ;Real beginning-of-buffer?
5424 (gnus-narrow-to-page -1) ;Go to previous page.
5425 (goto-char (point-max))
5427 (let ((scroll-in-place nil))
5431 (beginning-of-buffer
5432 (goto-char (point-min))))
5433 (move-to-window-line 0)))))
5435 (defun gnus-article-only-boring-p ()
5436 "Decide whether there is only boring text remaining in the article.
5437 Something \"interesting\" is a word of at least two letters that does
5438 not have a face in `gnus-article-boring-faces'."
5439 (when (and gnus-article-skip-boring
5440 (boundp 'gnus-article-boring-faces)
5441 (symbol-value 'gnus-article-boring-faces))
5444 (while (re-search-forward "\\b\\w\\w" nil t)
5446 (when (not (gnus-intersection
5447 (gnus-faces-at (point))
5448 (symbol-value 'gnus-article-boring-faces)))
5449 (throw 'only-boring nil)))
5450 (throw 'only-boring t)))))
5452 (defun gnus-article-refer-article ()
5453 "Read article specified by message-id around point."
5456 (re-search-backward "[ \t]\\|^" (point-at-bol) t)
5457 (re-search-forward "<?news:<?\\|<" (point-at-eol) t)
5458 (if (re-search-forward "[^@ ]+@[^ \t>]+" (point-at-eol) t)
5459 (let ((msg-id (concat "<" (match-string 0) ">")))
5460 (set-buffer gnus-summary-buffer)
5461 (gnus-summary-refer-article msg-id))
5462 (error "No references around point"))))
5464 (defun gnus-article-show-summary ()
5465 "Reconfigure windows to show summary buffer."
5467 (if (not (gnus-buffer-live-p gnus-summary-buffer))
5468 (error "There is no summary buffer for this article buffer")
5469 (gnus-article-set-globals)
5470 (gnus-configure-windows 'article)
5471 (gnus-summary-goto-subject gnus-current-article)
5472 (gnus-summary-position-point)))
5474 (defun gnus-article-describe-briefly ()
5475 "Describe article mode commands briefly."
5477 (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")))
5479 (defun gnus-article-summary-command ()
5480 "Execute the last keystroke in the summary buffer."
5482 (let ((obuf (current-buffer))
5483 (owin (current-window-configuration))
5485 (switch-to-buffer gnus-article-current-summary 'norecord)
5486 (setq func (lookup-key (current-local-map) (this-command-keys)))
5487 (call-interactively func)
5489 (set-window-configuration owin)
5490 (set-window-point (get-buffer-window (current-buffer)) (point))))
5492 (defun gnus-article-summary-command-nosave ()
5493 "Execute the last keystroke in the summary buffer."
5496 (pop-to-buffer gnus-article-current-summary 'norecord)
5497 (setq func (lookup-key (current-local-map) (this-command-keys)))
5498 (call-interactively func)))
5500 (defun gnus-article-check-buffer ()
5501 "Beep if not in an article buffer."
5502 (unless (eq (get-buffer gnus-article-buffer) (current-buffer))
5503 (error "Command invoked outside of a Gnus article buffer")))
5505 (defun gnus-article-read-summary-keys (&optional arg key not-restore-window)
5506 "Read a summary buffer key sequence and execute it from the article buffer."
5508 (gnus-article-check-buffer)
5510 '("q" "Q" "c" "r" "\C-c\C-f" "m" "a" "f"
5511 "Zc" "ZC" "ZE" "ZJ" "ZQ" "ZZ" "Zn" "ZR" "ZG" "ZN" "ZP"
5512 "=" "^" "\M-^" "|"))
5518 '("n" "Gn" "p" "Gp"))
5521 (set-buffer gnus-article-current-summary)
5522 (let (gnus-pick-mode)
5523 (push (or key last-command-event) unread-command-events)
5524 (setq keys (static-if (featurep 'xemacs)
5525 (events-to-keys (read-key-sequence nil))
5526 (read-key-sequence nil)))))
5529 (if (or (member keys nosaves)
5530 (member keys nosave-but-article)
5531 (member keys nosave-in-article))
5533 (save-window-excursion
5534 (pop-to-buffer gnus-article-current-summary 'norecord)
5535 ;; We disable the pick minor mode commands.
5536 (let (gnus-pick-mode)
5537 (setq func (lookup-key (current-local-map) keys))))
5541 (unless (member keys nosave-in-article)
5542 (set-buffer gnus-article-current-summary))
5543 (call-interactively func)
5544 (setq new-sum-point (point)))
5545 (when (member keys nosave-but-article)
5546 (pop-to-buffer gnus-article-buffer 'norecord)))
5547 ;; These commands should restore window configuration.
5548 (let ((obuf (current-buffer))
5549 (owin (current-window-configuration))
5551 win func in-buffer selected new-sum-start new-sum-hscroll)
5552 (cond (not-restore-window
5553 (pop-to-buffer gnus-article-current-summary 'norecord))
5554 ((setq win (get-buffer-window gnus-article-current-summary))
5555 (select-window win))
5557 (switch-to-buffer gnus-article-current-summary 'norecord)))
5558 (setq in-buffer (current-buffer))
5559 ;; We disable the pick minor mode commands.
5560 (if (and (setq func (let (gnus-pick-mode)
5561 (lookup-key (current-local-map) keys)))
5564 (call-interactively func)
5565 (when (eq win (selected-window))
5566 (setq new-sum-point (point)
5567 new-sum-start (window-start win)
5568 new-sum-hscroll (window-hscroll win))
5569 (when (eq in-buffer (current-buffer))
5570 (setq selected (gnus-summary-select-article))
5572 (unless not-restore-window
5573 (set-window-configuration owin))
5574 (when (eq selected 'old)
5576 (set-window-start (get-buffer-window (current-buffer))
5578 (set-window-point (get-buffer-window (current-buffer))
5580 (when (and (not not-restore-window)
5582 (set-window-point win new-sum-point)
5583 (set-window-start win new-sum-start)
5584 (set-window-hscroll win new-sum-hscroll)))))
5585 (set-window-configuration owin)
5588 (defun gnus-article-describe-key (key)
5589 "Display documentation of the function invoked by KEY. KEY is a string."
5590 (interactive "kDescribe key: ")
5591 (gnus-article-check-buffer)
5592 (if (eq (key-binding key) 'gnus-article-read-summary-keys)
5594 (set-buffer gnus-article-current-summary)
5595 (let (gnus-pick-mode)
5596 (if (featurep 'xemacs)
5598 (push (elt key 0) unread-command-events)
5599 (setq key (events-to-keys
5600 (read-key-sequence "Describe key: "))))
5601 (setq unread-command-events
5603 (lambda (x) (if (>= x 128) (list 'meta (- x 128)) x))
5605 (setq key (read-key-sequence "Describe key: "))))
5607 (describe-key key)))
5609 (defun gnus-article-describe-key-briefly (key &optional insert)
5610 "Display documentation of the function invoked by KEY. KEY is a string."
5611 (interactive "kDescribe key: \nP")
5612 (gnus-article-check-buffer)
5613 (if (eq (key-binding key) 'gnus-article-read-summary-keys)
5615 (set-buffer gnus-article-current-summary)
5616 (let (gnus-pick-mode)
5617 (if (featurep 'xemacs)
5619 (push (elt key 0) unread-command-events)
5620 (setq key (events-to-keys
5621 (read-key-sequence "Describe key: "))))
5622 (setq unread-command-events
5624 (lambda (x) (if (>= x 128) (list 'meta (- x 128)) x))
5626 (setq key (read-key-sequence "Describe key: "))))
5627 (describe-key-briefly key insert))
5628 (describe-key-briefly key insert)))
5630 (defun gnus-article-reply-with-original (&optional wide)
5631 "Start composing a reply mail to the current message.
5632 The text in the region will be yanked. If the region isn't active,
5633 the entire article will be yanked."
5635 (let ((article (cdr gnus-article-current))
5637 (if (not (gnus-region-active-p))
5638 (with-current-buffer gnus-summary-buffer
5639 (gnus-summary-reply (list (list article)) wide))
5640 (setq contents (buffer-substring (point) (mark t)))
5641 ;; Deactivate active regions.
5642 (when (and (boundp 'transient-mark-mode)
5643 transient-mark-mode)
5644 (setq mark-active nil))
5645 (with-current-buffer gnus-summary-buffer
5647 (list (list article contents)) wide)))))
5649 (defun gnus-article-followup-with-original ()
5650 "Compose a followup to the current article.
5651 The text in the region will be yanked. If the region isn't active,
5652 the entire article will be yanked."
5654 (let ((article (cdr gnus-article-current))
5656 (if (not (gnus-region-active-p))
5657 (with-current-buffer gnus-summary-buffer
5658 (gnus-summary-followup (list (list article))))
5659 (setq contents (buffer-substring (point) (mark t)))
5660 ;; Deactivate active regions.
5661 (when (and (boundp 'transient-mark-mode)
5662 transient-mark-mode)
5663 (setq mark-active nil))
5664 (with-current-buffer gnus-summary-buffer
5665 (gnus-summary-followup
5666 (list (list article contents)))))))
5668 (defun gnus-article-hide (&optional arg force)
5669 "Hide all the gruft in the current article.
5670 This means that signatures, cited text and (some) headers will be
5672 If given a prefix, show the hidden text instead."
5673 (interactive (append (gnus-article-hidden-arg) (list 'force)))
5674 (gnus-article-hide-headers arg)
5675 (gnus-article-hide-list-identifiers arg)
5676 (gnus-article-hide-citation-maybe arg force)
5677 (gnus-article-hide-signature arg))
5679 (defun gnus-article-maybe-highlight ()
5680 "Do some article highlighting if article highlighting is requested."
5681 (when (gnus-visual-p 'article-highlight 'highlight)
5682 (gnus-article-highlight-some)))
5684 (defun gnus-check-group-server ()
5685 ;; Make sure the connection to the server is alive.
5686 (unless (gnus-server-opened
5687 (gnus-find-method-for-group gnus-newsgroup-name))
5688 (gnus-check-server (gnus-find-method-for-group gnus-newsgroup-name))
5689 (gnus-request-group gnus-newsgroup-name t)))
5692 (autoload 'nneething-get-file-name "nneething"))
5694 (defun gnus-request-article-this-buffer (article group)
5695 "Get an article and insert it into this buffer."
5696 (let (do-update-line sparse-header)
5700 (gnus-kill-all-overlays)
5701 (setq group (or group gnus-newsgroup-name))
5703 ;; Using `gnus-request-article' directly will insert the article into
5704 ;; `nntp-server-buffer' - so we'll save some time by not having to
5705 ;; copy it from the server buffer into the article buffer.
5707 ;; We only request an article by message-id when we do not have the
5708 ;; headers for it, so we'll have to get those.
5709 (when (stringp article)
5710 (gnus-read-header article))
5712 ;; If the article number is negative, that means that this article
5713 ;; doesn't belong in this newsgroup (possibly), so we find its
5714 ;; message-id and request it by id instead of number.
5715 (when (and (numberp article)
5717 (get-buffer gnus-summary-buffer)
5718 (gnus-buffer-exists-p gnus-summary-buffer))
5720 (set-buffer gnus-summary-buffer)
5721 (let ((header (gnus-summary-article-header article)))
5724 ((memq article gnus-newsgroup-sparse)
5725 ;; This is a sparse gap article.
5726 (setq do-update-line article)
5727 (setq article (mail-header-id header))
5728 (setq sparse-header (gnus-read-header article))
5729 (setq gnus-newsgroup-sparse
5730 (delq article gnus-newsgroup-sparse)))
5732 ;; It's a real article.
5733 (setq article (mail-header-id header)))
5735 ;; It is an extracted pseudo-article.
5736 (setq article 'pseudo)
5737 (gnus-request-pseudo-article header))))
5739 (let ((method (gnus-find-method-for-group
5740 gnus-newsgroup-name)))
5741 (when (and (eq (car method) 'nneething)
5743 (let ((dir (nneething-get-file-name
5744 (mail-header-id header))))
5745 (when (and (stringp dir)
5746 (file-directory-p dir))
5747 (setq article 'nneething)
5748 (gnus-group-enter-directory dir))))))))
5751 ;; Refuse to select canceled articles.
5752 ((and (numberp article)
5754 (get-buffer gnus-summary-buffer)
5755 (gnus-buffer-exists-p gnus-summary-buffer)
5756 (eq (cdr (with-current-buffer gnus-summary-buffer
5757 (assq article gnus-newsgroup-reads)))
5758 gnus-canceled-mark))
5760 ;; We first check `gnus-original-article-buffer'.
5761 ((and (get-buffer gnus-original-article-buffer)
5763 (with-current-buffer gnus-original-article-buffer
5764 (and (equal (car gnus-original-article) group)
5765 (eq (cdr gnus-original-article) article))))
5766 (insert-buffer-substring gnus-original-article-buffer)
5768 ;; Check the backlog.
5769 ((and gnus-keep-backlog
5770 (gnus-backlog-request-article group article (current-buffer)))
5772 ;; Check asynchronous pre-fetch.
5773 ((gnus-async-request-fetched-article group article (current-buffer))
5774 (gnus-async-prefetch-next group article gnus-summary-buffer)
5775 (when (and (numberp article) gnus-keep-backlog)
5776 (gnus-backlog-enter-article group article (current-buffer)))
5779 ((and gnus-use-cache
5781 (gnus-cache-request-article article group))
5783 ;; Check the agent cache.
5784 ((gnus-agent-request-article article group)
5786 ;; Get the article and put into the article buffer.
5787 ((or (stringp article)
5789 (let ((gnus-override-method gnus-override-method)
5790 (methods (and (stringp article)
5791 gnus-refer-article-method))
5792 (backend (car (gnus-find-method-for-group
5793 gnus-newsgroup-name)))
5795 (inhibit-read-only t))
5796 (if (or (not (listp methods))
5797 (and (symbolp (car methods))
5798 (assq (car methods) nnoo-definition-alist)))
5799 (setq methods (list methods)))
5800 (when (and (null gnus-override-method)
5802 (setq gnus-override-method (pop methods)))
5804 (when (eq gnus-override-method 'current)
5805 (setq gnus-override-method
5806 (with-current-buffer gnus-summary-buffer
5807 gnus-current-select-method)))
5809 (gnus-kill-all-overlays)
5810 (let ((gnus-newsgroup-name group))
5811 (gnus-check-group-server))
5813 ((gnus-request-article article group (current-buffer))
5814 (when (numberp article)
5815 (gnus-async-prefetch-next group article
5816 gnus-summary-buffer)
5817 (when gnus-keep-backlog
5818 (gnus-backlog-enter-article
5819 group article (current-buffer))))
5820 (setq result 'article))
5822 (setq gnus-override-method (pop methods)))
5823 ((not (string-match "^400 "
5824 (nnheader-get-report backend)))
5825 ;; If we get 400 server disconnect, reconnect and
5826 ;; retry; otherwise, assume the article has expired.
5827 (setq result 'done))))
5828 (and (eq result 'article) 'article)))
5832 ;; Associate this article with the current summary buffer.
5833 (setq gnus-article-current-summary gnus-summary-buffer)
5835 ;; Take the article from the original article buffer
5836 ;; and place it in the buffer it's supposed to be in.
5837 (when (and (get-buffer gnus-article-buffer)
5838 (equal (buffer-name (current-buffer))
5839 (buffer-name (get-buffer gnus-article-buffer))))
5841 (if (get-buffer gnus-original-article-buffer)
5842 (set-buffer gnus-original-article-buffer)
5843 (set-buffer (gnus-get-buffer-create gnus-original-article-buffer))
5844 (buffer-disable-undo)
5845 (setq major-mode 'gnus-original-article-mode)
5846 (setq buffer-read-only t))
5847 (let ((inhibit-read-only t))
5849 (insert-buffer-substring gnus-article-buffer))
5850 (setq gnus-original-article (cons group article)))
5853 (run-hooks 'gnus-article-decode-hook)
5854 ;; Mark article as decoded or not.
5855 (setq gnus-article-decoded-p gnus-article-decode-hook))
5857 ;; Update sparse articles.
5858 (when (and do-update-line
5859 (or (numberp article)
5861 (let ((buf (current-buffer)))
5862 (set-buffer gnus-summary-buffer)
5863 (gnus-summary-update-article do-update-line sparse-header)
5864 (gnus-summary-goto-subject do-update-line nil t)
5865 (set-window-point (gnus-get-buffer-window (current-buffer) t)
5867 (set-buffer buf))))))
5873 (defcustom gnus-article-edit-mode-hook nil
5874 "Hook run in article edit mode buffers."
5875 :group 'gnus-article-various
5878 (defcustom gnus-article-edit-article-setup-function
5879 'gnus-article-mime-edit-article-setup
5880 "Function called to setup an editing article buffer."
5881 :group 'gnus-article-various
5884 (defvar gnus-article-edit-done-function nil)
5886 (defvar gnus-article-edit-mode-map nil)
5888 ;; Should we be using derived.el for this?
5889 (unless gnus-article-edit-mode-map
5890 (setq gnus-article-edit-mode-map (make-keymap))
5891 (set-keymap-parent gnus-article-edit-mode-map text-mode-map)
5893 (gnus-define-keys gnus-article-edit-mode-map
5894 "\C-c?" describe-mode
5895 "\C-c\C-c" gnus-article-edit-done
5896 "\C-c\C-k" gnus-article-edit-exit
5897 "\C-c\C-f\C-t" message-goto-to
5898 "\C-c\C-f\C-o" message-goto-from
5899 "\C-c\C-f\C-b" message-goto-bcc
5900 ;;"\C-c\C-f\C-w" message-goto-fcc
5901 "\C-c\C-f\C-c" message-goto-cc
5902 "\C-c\C-f\C-s" message-goto-subject
5903 "\C-c\C-f\C-r" message-goto-reply-to
5904 "\C-c\C-f\C-n" message-goto-newsgroups
5905 "\C-c\C-f\C-d" message-goto-distribution
5906 "\C-c\C-f\C-f" message-goto-followup-to
5907 "\C-c\C-f\C-m" message-goto-mail-followup-to
5908 "\C-c\C-f\C-k" message-goto-keywords
5909 "\C-c\C-f\C-u" message-goto-summary
5910 "\C-c\C-f\C-i" message-insert-or-toggle-importance
5911 "\C-c\C-f\C-a" message-generate-unsubscribed-mail-followup-to
5912 "\C-c\C-b" message-goto-body
5913 "\C-c\C-i" message-goto-signature
5915 "\C-c\C-t" message-insert-to
5916 "\C-c\C-n" message-insert-newsgroups
5917 "\C-c\C-o" message-sort-headers
5918 "\C-c\C-e" message-elide-region
5919 "\C-c\C-v" message-delete-not-region
5920 "\C-c\C-z" message-kill-to-signature
5921 "\M-\r" message-newline-and-reformat
5922 "\C-c\C-a" mml-attach-file
5923 "\C-a" message-beginning-of-line
5925 "\M-;" comment-region)
5927 (gnus-define-keys (gnus-article-edit-wash-map
5928 "\C-c\C-w" gnus-article-edit-mode-map)
5929 "f" gnus-article-edit-full-stops))
5932 gnus-article-edit-mode-field-menu gnus-article-edit-mode-map ""
5934 ["Fetch To" message-insert-to t]
5935 ["Fetch Newsgroups" message-insert-newsgroups t]
5937 ["To" message-goto-to t]
5938 ["From" message-goto-from t]
5939 ["Subject" message-goto-subject t]
5940 ["Cc" message-goto-cc t]
5941 ["Reply-To" message-goto-reply-to t]
5942 ["Summary" message-goto-summary t]
5943 ["Keywords" message-goto-keywords t]
5944 ["Newsgroups" message-goto-newsgroups t]
5945 ["Followup-To" message-goto-followup-to t]
5946 ["Mail-Followup-To" message-goto-mail-followup-to t]
5947 ["Distribution" message-goto-distribution t]
5948 ["Body" message-goto-body t]
5949 ["Signature" message-goto-signature t]))
5951 (define-derived-mode gnus-article-edit-mode message-mode "Article Edit"
5952 "Major mode for editing articles.
5953 This is an extended text-mode.
5955 \\{gnus-article-edit-mode-map}"
5956 (make-local-variable 'gnus-article-edit-done-function)
5957 (make-local-variable 'gnus-prev-winconf)
5958 (set (make-local-variable 'font-lock-defaults)
5959 '(message-font-lock-keywords t))
5960 (set (make-local-variable 'mail-header-separator) "")
5961 (set (make-local-variable 'gnus-article-edit-mode) t)
5962 (easy-menu-add message-mode-field-menu message-mode-map)
5963 (setq buffer-read-only nil)
5964 (buffer-enable-undo)
5967 (defun gnus-article-edit (&optional force)
5968 "Edit the current article.
5969 This will have permanent effect only in mail groups.
5970 If FORCE is non-nil, allow editing of articles even in read-only
5973 (when (and (not force)
5974 (gnus-group-read-only-p))
5975 (error "The current newsgroup does not support article editing"))
5976 (gnus-article-date-original)
5977 (gnus-article-edit-article
5979 `(lambda (no-highlight)
5981 (gnus-summary-edit-article-done
5982 ,(or (mail-header-references gnus-current-headers) "")
5983 ,(gnus-group-read-only-p) ,gnus-summary-buffer no-highlight))))
5985 (defun gnus-article-edit-article (start-func exit-func)
5986 "Start editing the contents of the current article buffer."
5987 (let ((winconf (current-window-configuration)))
5988 (set-buffer gnus-article-buffer)
5989 (gnus-article-edit-mode)
5990 (funcall start-func)
5991 (set-buffer-modified-p nil)
5992 (gnus-configure-windows 'edit-article)
5993 (setq gnus-article-edit-done-function exit-func)
5994 (setq gnus-prev-winconf winconf)
5995 (when gnus-article-edit-article-setup-function
5996 (funcall gnus-article-edit-article-setup-function))
5997 (gnus-message 6 "C-c C-c to end edits; C-c C-k to exit")))
5999 (defun gnus-article-edit-done (&optional arg)
6000 "Update the article edits and exit."
6002 (let ((func gnus-article-edit-done-function)
6003 (buf (current-buffer))
6004 (start (window-start))
6006 (winconf gnus-prev-winconf))
6007 (remove-hook 'gnus-article-mode-hook
6008 'gnus-article-mime-edit-article-unwind)
6009 (widen) ;; Widen it in case that users narrowed the buffer.
6012 ;; The cache and backlog have to be flushed somewhat.
6013 (when gnus-keep-backlog
6014 (gnus-backlog-remove-article
6015 (car gnus-article-current) (cdr gnus-article-current)))
6016 ;; Flush original article as well.
6018 (when (get-buffer gnus-original-article-buffer)
6019 (set-buffer gnus-original-article-buffer)
6020 (setq gnus-original-article nil)))
6021 (when gnus-use-cache
6022 (gnus-cache-update-article
6023 (car gnus-article-current) (cdr gnus-article-current)))
6024 ;; We remove all text props from the article buffer.
6025 (kill-all-local-variables)
6026 (set-text-properties (point-min) (point-max) nil)
6028 (set-window-configuration winconf)
6030 (set-window-start (get-buffer-window buf) start)
6031 (set-window-point (get-buffer-window buf) (point)))
6032 (gnus-summary-show-article))
6034 (defun gnus-article-edit-exit ()
6035 "Exit the article editing without updating."
6037 (when (or (not (buffer-modified-p))
6038 (yes-or-no-p "Article modified; kill anyway? "))
6039 (let ((curbuf (current-buffer))
6041 (window-start (window-start)))
6043 (if (gnus-buffer-live-p gnus-original-article-buffer)
6044 (insert-buffer-substring gnus-original-article-buffer))
6045 (let ((winconf gnus-prev-winconf))
6046 (kill-all-local-variables)
6048 (set-window-configuration winconf)
6049 ;; Tippy-toe some to make sure that point remains where it was.
6050 (save-current-buffer
6052 (set-window-start (get-buffer-window (current-buffer)) window-start)
6054 (gnus-summary-show-article)))
6056 (defun gnus-article-edit-full-stops ()
6057 "Interactively repair spacing at end of sentences."
6060 (goto-char (point-min))
6061 (search-forward-regexp "^$" nil t)
6062 (let ((case-fold-search nil))
6063 (query-replace-regexp "\\([.!?][])}]* \\)\\([[({A-Z]\\)" "\\1 \\2"))))
6066 ;;; Article editing with MIME-Edit
6069 (defcustom gnus-article-mime-edit-article-setup-hook nil
6070 "Hook run after setting up a MIME editing article buffer."
6071 :group 'gnus-article-various
6074 (defun gnus-article-mime-edit-article-unwind ()
6075 "Unwind `gnus-article-buffer' if article editing was given up."
6076 (remove-hook 'gnus-article-mode-hook 'gnus-article-mime-edit-article-unwind)
6077 (when (featurep 'font-lock)
6078 (setq font-lock-defaults nil)
6079 (font-lock-mode -1))
6080 (when mime-edit-mode-flag
6081 (mime-edit-exit 'nomime 'no-error)
6084 (defun gnus-article-mime-edit-article-setup ()
6085 "Convert current buffer to MIME-Edit buffer and turn on MIME-Edit mode
6086 after replacing with the original article."
6087 (setq gnus-show-mime t)
6088 (setq gnus-article-edit-done-function
6089 `(lambda (&rest args)
6090 (when mime-edit-mode-flag
6091 (let (mime-edit-insert-user-agent-field)
6094 (goto-char (point-min))
6095 (let (case-fold-search)
6096 (when (re-search-forward
6097 (format "^%s$" (regexp-quote mail-header-separator))
6099 (replace-match "")))
6100 (apply ,gnus-article-edit-done-function args)
6103 (buffer-substring-no-properties (point-min) (point-max))
6104 (set-buffer (get-buffer-create gnus-original-article-buffer))
6106 (setq gnus-current-headers (gnus-article-make-full-mail-header))
6107 (set-buffer gnus-article-buffer)
6108 (gnus-article-prepare-display)))
6109 (substitute-key-definition 'gnus-article-edit-done
6110 'gnus-article-mime-edit-done
6111 gnus-article-edit-mode-map)
6112 (substitute-key-definition 'gnus-article-edit-exit
6113 'gnus-article-mime-edit-exit
6114 gnus-article-edit-mode-map)
6116 (insert-buffer-substring gnus-original-article-buffer)
6117 (unless (member (with-current-buffer gnus-summary-buffer
6118 gnus-newsgroup-name)
6119 '("nndraft:delayed" "nndraft:drafts"))
6120 (let ((ofn (symbol-function 'mime-edit-decode-single-part-in-buffer)))
6121 (fset 'mime-edit-decode-single-part-in-buffer
6122 (lambda (&rest args)
6123 (if (let ((content-type (car args)))
6124 (and (eq 'message (mime-content-type-primary-type
6126 (eq 'rfc822 (mime-content-type-subtype
6128 (setcar (cdr args) 'not-decode-text))
6132 (fset 'mime-edit-decode-single-part-in-buffer ofn))))
6133 (when (featurep 'font-lock)
6134 (set (make-local-variable 'font-lock-defaults)
6135 '(message-font-lock-keywords t))
6136 (font-lock-set-defaults)
6137 (turn-on-font-lock))
6138 (set-buffer-modified-p nil)
6139 (delete-other-windows)
6140 (add-hook 'gnus-article-mode-hook 'gnus-article-mime-edit-article-unwind)
6141 (gnus-run-hooks 'gnus-article-mime-edit-article-setup-hook))
6143 (defun gnus-article-mime-edit-done (&optional arg)
6144 "Update the article MIME edits and exit."
6146 (when (featurep 'font-lock)
6147 (setq font-lock-defaults nil)
6148 (font-lock-mode -1))
6149 (let ((inhibit-read-only t))
6150 (gnus-article-edit-done arg)))
6152 (defun gnus-article-mime-edit-exit ()
6153 "Exit the article MIME editing without updating."
6155 (when (or (not (buffer-modified-p))
6156 (yes-or-no-p "Article modified; kill anyway? "))
6157 (when (featurep 'font-lock)
6158 (setq font-lock-defaults nil)
6159 (font-lock-mode -1))
6160 (when mime-edit-mode-flag
6161 (let (mime-edit-insert-user-agent-field)
6164 (goto-char (point-min))
6165 (let (case-fold-search)
6166 (when (re-search-forward
6167 (format "^%s$" (regexp-quote mail-header-separator)) nil t)
6168 (replace-match "")))
6169 (let ((winconf gnus-prev-winconf))
6171 (buffer-substring-no-properties (point-min) (point-max))
6172 (set-buffer (get-buffer-create gnus-original-article-buffer))
6174 (setq gnus-current-headers (gnus-article-make-full-mail-header))
6175 (set-buffer gnus-article-buffer)
6176 (gnus-article-prepare-display)
6177 (set-window-configuration winconf))))
6180 ;;; Article highlights
6183 ;; Written by Per Abrahamsen <abraham@iesd.auc.dk>.
6185 ;;; Internal Variables:
6187 (defcustom gnus-button-url-regexp
6188 (if (string-match "[[:digit:]]" "1") ;; support POSIX?
6189 "\\b\\(\\(www\\.\\|\\(s?https?\\|ftp\\|file\\|gopher\\|nntp\\|news\\|telnet\\|wais\\|mailto\\|info\\):\\)\\(//[-a-z0-9_.]+:[0-9]*\\)?[-a-z0-9_=!?#$@~%&*+\\/:;.,[:word:]]+[-a-z0-9_=#$@~%&*+\\/[:word:]]\\)"
6190 "\\b\\(\\(www\\.\\|\\(s?https?\\|ftp\\|file\\|gopher\\|nntp\\|news\\|telnet\\|wais\\|mailto\\|info\\):\\)\\(//[-a-z0-9_.]+:[0-9]*\\)?\\([-a-z0-9_=!?#$@~%&*+\\/:;.,]\\|\\w\\)+\\([-a-z0-9_=#$@~%&*+\\/]\\|\\w\\)\\)")
6191 "Regular expression that matches URLs."
6192 :group 'gnus-article-buttons
6195 (defcustom gnus-button-valid-fqdn-regexp
6196 message-valid-fqdn-regexp
6197 "Regular expression that matches a valid FQDN."
6199 :group 'gnus-article-buttons
6202 (defcustom gnus-button-man-handler 'manual-entry
6203 "Function to use for displaying man pages.
6204 The function must take at least one argument with a string naming the
6207 :type '(choice (function-item :tag "Man" manual-entry)
6208 (function-item :tag "Woman" woman)
6209 (function :tag "Other"))
6210 :group 'gnus-article-buttons)
6212 (defcustom gnus-ctan-url "http://tug.ctan.org/tex-archive/"
6213 "Top directory of a CTAN \(Comprehensive TeX Archive Network\) archive.
6214 If the default site is too slow, try to find a CTAN mirror, see
6215 <URL:http://tug.ctan.org/tex-archive/CTAN.sites?action=/index.html>. See also
6216 the variable `gnus-button-handle-ctan'."
6218 :group 'gnus-article-buttons
6219 :link '(custom-manual "(gnus)Group Parameters")
6220 :type '(choice (const "http://www.tex.ac.uk/tex-archive/")
6221 (const "http://tug.ctan.org/tex-archive/")
6222 (const "http://www.dante.de/CTAN/")
6223 (string :tag "Other")))
6225 (defcustom gnus-button-ctan-handler 'browse-url
6226 "Function to use for displaying CTAN links.
6227 The function must take one argument, the string naming the URL."
6229 :type '(choice (function-item :tag "Browse Url" browse-url)
6230 (function :tag "Other"))
6231 :group 'gnus-article-buttons)
6233 (defcustom gnus-button-handle-ctan-bogus-regexp "^/?tex-archive/\\|^/"
6234 "Bogus strings removed from CTAN URLs."
6236 :group 'gnus-article-buttons
6237 :type '(choice (const "^/?tex-archive/\\|/")
6238 (regexp :tag "Other")))
6240 (defcustom gnus-button-ctan-directory-regexp
6243 "biblio\\|digests\\|dviware\\|fonts\\|graphics\\|help\\|"
6244 "indexing\\|info\\|language\\|macros\\|support\\|systems\\|"
6245 "tds\\|tools\\|usergrps\\|web\\|nonfree\\|obsolete"
6247 "Regular expression for ctan directories.
6248 It should match all directories in the top level of `gnus-ctan-url'."
6250 :group 'gnus-article-buttons
6253 (defcustom gnus-button-mid-or-mail-regexp
6254 (concat "\\b\\(<?[a-z0-9$%(*-=?[_][^<>\")!;:,{}\n\t ]*@"
6255 ;; Felix Wiemann in <87oeuomcz9.fsf@news2.ososo.de>
6256 gnus-button-valid-fqdn-regexp
6258 "Regular expression that matches a message ID or a mail address."
6260 :group 'gnus-article-buttons
6263 (defcustom gnus-button-prefer-mid-or-mail 'gnus-button-mid-or-mail-heuristic
6264 "What to do when the button on a string as \"foo123@bar.invalid\" is pushed.
6265 Strings like this can be either a message ID or a mail address. If it is one
6266 of the symbols `mid' or `mail', Gnus will always assume that the string is a
6267 message ID or a mail address, respectively. If this variable is set to the
6268 symbol `ask', always query the user what do do. If it is a function, this
6269 function will be called with the string as it's only argument. The function
6270 must return `mid', `mail', `invalid' or `ask'."
6272 :group 'gnus-article-buttons
6273 :type '(choice (function-item :tag "Heuristic function"
6274 gnus-button-mid-or-mail-heuristic)
6279 (defcustom gnus-button-mid-or-mail-heuristic-alist
6280 '((-10.0 . ".+\\$.+@")
6283 (-5.0 . "\\+[^+]*\\+.*@") ;; # two plus signs
6284 (-5.0 . "@[Nn][Ee][Ww][Ss]") ;; /\@news/i
6285 (-5.0 . "@.*[Dd][Ii][Aa][Ll][Uu][Pp]") ;; /\@.*dialup/i;
6286 (-1.0 . "^[^a-z]+@")
6288 (-5.0 . "\\.[0-9][0-9]+.*@") ;; "\.[0-9]{2,}.*\@"
6289 (-5.0 . "[a-z].*[A-Z].*[a-z].*[A-Z].*@") ;; "([a-z].*[A-Z].*){2,}\@"
6290 (-3.0 . "[A-Z][A-Z][a-z][a-z].*@")
6291 (-5.0 . "\\...?.?@") ;; (-5.0 . "\..{1,3}\@")
6294 (-1.0 . "^[0-9][0-9]")
6296 ;; -3.0 /^[0-9][0-9a-fA-F]{2,2}/;
6297 (-3.0 . "^[0-9][0-9a-fA-F][0-9a-fA-F][^0-9a-fA-F]")
6298 ;; -5.0 /^[0-9][0-9a-fA-F]{3,3}/;
6299 (-5.0 . "^[0-9][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][^0-9a-fA-F]")
6301 (-3.0 . "[0-9][0-9][0-9][0-9][0-9][^0-9].*@") ;; "[0-9]{5,}.*\@"
6302 (-3.0 . "[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][^0-9].*@")
6305 . "[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9].*@")
6307 ;; compensation for TDMA dated mail addresses:
6308 (25.0 . "-dated-[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]+.*@")
6310 (-20.0 . "\\.fsf@") ;; Gnus
6313 (-20.0 . "_-_") ;; Subject change in thread
6315 (-20.0 . "\\.ln@") ;; leafnode
6316 (-30.0 . "@ID-[0-9]+\\.[a-zA-Z]+\\.dfncis\\.de")
6317 (-30.0 . "@4[Aa][Xx]\\.com") ;; Forte Agent
6319 ;; (5.0 . "") ;; $local_part_len <= 7
6320 (10.0 . "^[^0-9]+@")
6321 (3.0 . "^[^0-9]+[0-9][0-9]?[0-9]?@")
6322 ;; ^[^0-9]+[0-9]{1,3}\@ digits only at end of local part
6325 (2.0 . "[a-z][a-z][._-][A-Z][a-z].*@")
6327 (0.5 . "^[A-Z][a-z]")
6328 (0.5 . "^[A-Z][a-z][a-z]")
6329 (1.5 . "^[A-Z][a-z][A-Z][a-z][^a-z]") ;; ^[A-Z][a-z]{3,3}
6330 (2.0 . "^[A-Z][a-z][A-Z][a-z][a-z][^a-z]")) ;; ^[A-Z][a-z]{4,4}
6331 "An alist of \(RATE . REGEXP\) pairs for `gnus-button-mid-or-mail-heuristic'.
6333 A negative RATE indicates a message IDs, whereas a positive indicates a mail
6334 address. The REGEXP is processed with `case-fold-search' set to nil."
6336 :group 'gnus-article-buttons
6337 :type '(repeat (cons (number :tag "Rate")
6338 (regexp :tag "Regexp"))))
6340 (defun gnus-button-mid-or-mail-heuristic (mid-or-mail)
6341 "Guess whether MID-OR-MAIL is a message ID or a mail address.
6342 Returns `mid' if MID-OR-MAIL is a message IDs, `mail' if it's a mail
6343 address, `ask' if unsure and `invalid' if the string is invalid."
6344 (let ((case-fold-search nil)
6345 (list gnus-button-mid-or-mail-heuristic-alist)
6346 (result 0) rate regexp lpartlen elem)
6348 (length (gnus-replace-in-string mid-or-mail "^\\(.*\\)@.*$" "\\1")))
6349 (gnus-message 8 "`%s', length of local part=`%s'." mid-or-mail lpartlen)
6350 ;; Certain special cases...
6353 "^0[0-9]+-[0-9][0-9][0-9][0-9]@t-online\\.de$\\|"
6354 "^[0-9]+\\.[0-9]+@compuserve\\|"
6355 "@public\\.gmane\\.org")
6357 (gnus-message 8 "`%s' is a known mail address." mid-or-mail)
6358 (setq result 'mail))
6359 (when (string-match "@.*@\\| " mid-or-mail)
6360 (gnus-message 8 "`%s' is invalid." mid-or-mail)
6361 (setq result 'invalid))
6362 ;; Nothing more to do, if result is not a number here...
6363 (when (numberp result)
6365 (setq elem (car list)
6369 (when (string-match regexp mid-or-mail)
6370 (setq result (+ result rate))
6372 9 "`%s' matched `%s', rate `%s', result `%s'."
6373 mid-or-mail regexp rate result)))
6374 (when (<= lpartlen 7)
6375 (setq result (+ result 5.0))
6376 (gnus-message 9 "`%s' matched (<= lpartlen 7), result `%s'."
6377 mid-or-mail result))
6378 (when (>= lpartlen 12)
6379 (gnus-message 9 "`%s' matched (>= lpartlen 12)" mid-or-mail)
6381 ((string-match "[0-9][^0-9]+[0-9].*@" mid-or-mail)
6382 ;; Long local part should contain realname if e-mail address,
6383 ;; too many digits: message-id.
6384 ;; $score -= 5.0 + 0.1 * $local_part_len;
6385 (setq rate (* -1.0 (+ 5.0 (* 0.1 lpartlen))))
6386 (setq result (+ result rate))
6388 9 "Many digits in `%s', rate `%s', result `%s'."
6389 mid-or-mail rate result))
6390 ((string-match "[^aeiouy][^aeiouy][^aeiouy][^aeiouy]+.*\@"
6392 ;; Too few vowels [^aeiouy]{4,}.*\@
6393 (setq result (+ result -5.0))
6395 9 "Few vowels in `%s', rate `%s', result `%s'."
6396 mid-or-mail -5.0 result))
6398 (setq result (+ result 5.0))
6400 9 "`%s', rate `%s', result `%s'." mid-or-mail 5.0 result)))))
6401 (gnus-message 8 "`%s': Final rate is `%s'." mid-or-mail result)
6402 ;; Maybe we should make this a customizable alist: (condition . 'result)
6404 ((symbolp result) result)
6405 ;; Now convert number into proper results:
6406 ((< result -10.0) 'mid)
6407 ((> result 10.0) 'mail)
6410 (defun gnus-button-handle-mid-or-mail (mid-or-mail)
6411 (let* ((pref gnus-button-prefer-mid-or-mail) guessed
6412 (url-mid (concat "news" ":" mid-or-mail))
6413 (url-mailto (concat "mailto" ":" mid-or-mail)))
6414 (gnus-message 9 "mid-or-mail=%s" mid-or-mail)
6415 (when (fboundp pref)
6417 ;; get rid of surrounding angles...
6419 (gnus-replace-in-string mid-or-mail "^<\\|>$" "")))
6420 (if (or (eq 'mid guessed) (eq 'mail guessed))
6424 (save-window-excursion
6425 (if (y-or-n-p (concat "Is <" mid-or-mail "> a mail address? "))
6428 (cond ((eq pref 'mid)
6429 (gnus-message 8 "calling `gnus-button-handle-news' %s" url-mid)
6430 (gnus-button-handle-news url-mid))
6432 (gnus-message 8 "calling `gnus-url-mailto' %s" url-mailto)
6433 (gnus-url-mailto url-mailto))
6434 (t (gnus-message 3 "Invalid string.")))))
6436 (defun gnus-button-handle-custom (url)
6437 "Follow a Custom URL."
6438 (customize-apropos (gnus-url-unhex-string url)))
6440 (defvar gnus-button-handle-describe-prefix "^\\(C-h\\|<?[Ff]1>?\\)")
6442 ;; FIXME: Maybe we should merge some of the functions that do quite similar
6445 (defun gnus-button-handle-describe-function (url)
6446 "Call `describe-function' when pushing the corresponding URL button."
6449 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))))
6451 (defun gnus-button-handle-describe-variable (url)
6452 "Call `describe-variable' when pushing the corresponding URL button."
6455 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))))
6457 (defun gnus-button-handle-symbol (url)
6458 "Display help on variable or function.
6459 Calls `describe-variable' or `describe-function'."
6460 (let ((sym (intern url)))
6462 ((fboundp sym) (describe-function sym))
6463 ((boundp sym) (describe-variable sym))
6464 (t (gnus-message 3 "`%s' is not a known function of variable." url)))))
6466 (defun gnus-button-handle-describe-key (url)
6467 "Call `describe-key' when pushing the corresponding URL button."
6469 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))
6470 (keys (ignore-errors (eval `(kbd ,key-string)))))
6473 (gnus-message 3 "Invalid key sequence in button: %s" key-string))))
6475 (defun gnus-button-handle-apropos (url)
6476 "Call `apropos' when pushing the corresponding URL button."
6477 (apropos (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6479 (defun gnus-button-handle-apropos-command (url)
6480 "Call `apropos' when pushing the corresponding URL button."
6482 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6484 (defun gnus-button-handle-apropos-variable (url)
6485 "Call `apropos' when pushing the corresponding URL button."
6487 (if (fboundp 'apropos-variable) 'apropos-variable 'apropos)
6488 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6490 (defun gnus-button-handle-apropos-documentation (url)
6491 "Call `apropos' when pushing the corresponding URL button."
6493 (if (fboundp 'apropos-documentation) 'apropos-documentation 'apropos)
6494 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6496 (defun gnus-button-handle-library (url)
6497 "Call `locate-library' when pushing the corresponding URL button."
6498 (gnus-message 9 "url=`%s'" url)
6499 (let* ((lib (locate-library url))
6500 (file (gnus-replace-in-string (or lib "") "\.elc" ".el")))
6502 (gnus-message 1 "Cannot locale library `%s'." url)
6503 (find-file-read-only file))))
6505 (defun gnus-button-handle-ctan (url)
6506 "Call `browse-url' when pushing a CTAN URL button."
6508 gnus-button-ctan-handler
6511 (gnus-replace-in-string url gnus-button-handle-ctan-bogus-regexp ""))))
6513 (defcustom gnus-button-tex-level 5
6514 "*Integer that says how many TeX-related buttons Gnus will show.
6515 The higher the number, the more buttons will appear and the more false
6516 positives are possible. Note that you can set this variable local to
6517 specific groups. Setting it higher in TeX groups is probably a good idea.
6518 See Info node `(gnus)Group Parameters' and the variable `gnus-parameters' on
6519 how to set variables in specific groups."
6521 :group 'gnus-article-buttons
6522 :link '(custom-manual "(gnus)Group Parameters")
6525 (defcustom gnus-button-man-level 5
6526 "*Integer that says how many man-related buttons Gnus will show.
6527 The higher the number, the more buttons will appear and the more false
6528 positives are possible. Note that you can set this variable local to
6529 specific groups. Setting it higher in Unix groups is probably a good idea.
6530 See Info node `(gnus)Group Parameters' and the variable `gnus-parameters' on
6531 how to set variables in specific groups."
6533 :group 'gnus-article-buttons
6534 :link '(custom-manual "(gnus)Group Parameters")
6537 (defcustom gnus-button-emacs-level 5
6538 "*Integer that says how many emacs-related buttons Gnus will show.
6539 The higher the number, the more buttons will appear and the more false
6540 positives are possible. Note that you can set this variable local to
6541 specific groups. Setting it higher in Emacs or Gnus related groups is
6542 probably a good idea. See Info node `(gnus)Group Parameters' and the variable
6543 `gnus-parameters' on how to set variables in specific groups."
6545 :group 'gnus-article-buttons
6546 :link '(custom-manual "(gnus)Group Parameters")
6549 (defcustom gnus-button-message-level 5
6550 "*Integer that says how many buttons for news or mail messages will appear.
6551 The higher the number, the more buttons will appear and the more false
6552 positives are possible."
6553 ;; mail addresses, MIDs, URLs for news, ...
6555 :group 'gnus-article-buttons
6558 (defcustom gnus-button-browse-level 5
6559 "*Integer that says how many buttons for browsing will appear.
6560 The higher the number, the more buttons will appear and the more false
6561 positives are possible."
6562 ;; stuff handled by `browse-url' or `gnus-button-embedded-url'
6564 :group 'gnus-article-buttons
6567 (defcustom gnus-button-alist
6568 '(("<\\(url:[>\n\t ]*?\\)?\\(nntp\\|news\\):[>\n\t ]*\\([^>\n\t ]*@[^>\n\t ]*\\)>"
6569 0 (>= gnus-button-message-level 0) gnus-button-handle-news 3)
6570 ("\\b\\(nntp\\|news\\):\\([^>\n\t ]*@[^>)!;:,\n\t ]*\\)" 0 t
6571 gnus-button-handle-news 2)
6572 ("\\(\\b<\\(url:[>\n\t ]*\\)?\\(nntp\\|news\\):[>\n\t ]*\\(//\\)?\\([^>\n\t ]*\\)>\\)"
6573 1 (>= gnus-button-message-level 0) gnus-button-fetch-group 5)
6574 ("\\b\\(nntp\\|news\\):\\(//\\)?\\([^'\">\n\t ]+\\)"
6575 0 (>= gnus-button-message-level 0) gnus-button-fetch-group 3)
6576 ;; RFC 2392 (Don't allow `/' in domain part --> CID)
6577 ("\\bmid:\\(//\\)?\\([^'\">\n\t ]+@[^'\">\n\t /]+\\)"
6578 0 (>= gnus-button-message-level 0) gnus-button-message-id 2)
6579 ("\\bin\\( +article\\| +message\\)? +\\(<\\([^\n @<>]+@[^\n @<>]+\\)>\\)"
6580 2 (>= gnus-button-message-level 0) gnus-button-message-id 3)
6581 ("\\(<URL: *\\)mailto: *\\([^> \n\t]+\\)>"
6582 0 (>= gnus-button-message-level 0) gnus-url-mailto 2)
6583 ;; RFC 2368 (The mailto URL scheme)
6584 ("\\bmailto:\\([-a-z.@_+0-9%=?&/]+\\)"
6585 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
6586 ("\\bmailto:\\([^ \n\t]+\\)"
6587 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
6589 ((concat "\\bCTAN:[ \t\n]?[^>)!;:,'\n\t ]*\\("
6590 gnus-button-ctan-directory-regexp
6591 "[^][>)!;:,'\n\t ]+\\)")
6592 0 (>= gnus-button-tex-level 1) gnus-button-handle-ctan 1)
6593 ((concat "\\btex-archive/\\("
6594 gnus-button-ctan-directory-regexp
6595 "/[-_.a-z0-9/]+[-_./a-z0-9]+[/a-z0-9]\\)")
6596 1 (>= gnus-button-tex-level 6) gnus-button-handle-ctan 1)
6599 gnus-button-ctan-directory-regexp
6600 "/[-_.a-z0-9]+/[-_./a-z0-9]+[/a-z0-9]\\)")
6601 1 (>= gnus-button-tex-level 8) gnus-button-handle-ctan 1)
6602 ;; This is info (home-grown style) <info://foo/bar+baz>
6603 ("\\binfo://\\([^'\">\n\t ]+\\)"
6604 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url 1)
6605 ;; Info GNOME style <info:foo#bar_baz>
6606 ("\\binfo:\\([^('\n\t\r \"><][^'\n\t\r \"><]*\\)"
6607 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url-gnome 1)
6608 ;; Info KDE style <info:(foo)bar baz>
6609 ("<\\(info:\\(([^)]+)[^>\n\r]*\\)\\)>"
6610 1 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url-kde 2)
6611 ("\\((Info-goto-node\\|(info\\)[ \t\n]*\\(\"[^\"]*\"\\))" 0
6612 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url 2)
6613 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+i[ \t\n]+d?[ \t\n]?m[ \t\n]+\\([^ ]+ ?[^ ]+\\)[ \t\n]+RET"
6614 ;; Info links like `C-h i d m CC Mode RET'
6615 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-keystrokes 2)
6617 ("\\bcustom:\\(//\\)?\\([^'\">\n\t ]+\\)"
6618 0 (>= gnus-button-emacs-level 5) gnus-button-handle-custom 2)
6619 ("M-x[ \t\n]customize-[^ ]+[ \t\n]RET[ \t\n]\\([^ ]+\\)[ \t\n]RET" 0
6620 (>= gnus-button-emacs-level 1) gnus-button-handle-custom 1)
6621 ;; Emacs help commands
6622 ("M-x[ \t\n]+apropos[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6623 ;; regexp doesn't match arguments containing ` '.
6624 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos 1)
6625 ("M-x[ \t\n]+apropos-command[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6626 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-command 1)
6627 ("M-x[ \t\n]+apropos-variable[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6628 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-variable 1)
6629 ("M-x[ \t\n]+apropos-documentation[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6630 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-documentation 1)
6631 ;; The following entries may lead to many false positives so don't enable
6632 ;; them by default (use a high button level).
6633 ("/\\([a-z][-a-z0-9]+\\.el\\)\\>[^.?]"
6634 ;; Exclude [.?] for URLs in gmane.emacs.cvs
6635 1 (>= gnus-button-emacs-level 8) gnus-button-handle-library 1)
6636 ("`\\([a-z][-a-z0-9]+\\.el\\)'"
6637 1 (>= gnus-button-emacs-level 8) gnus-button-handle-library 1)
6638 ("`\\([a-z][a-z0-9]+-[a-z]+-[-a-z]+\\|\\(gnus\\|message\\)-[-a-z]+\\)'"
6639 0 (>= gnus-button-emacs-level 8) gnus-button-handle-symbol 1)
6640 ("`\\([a-z][a-z0-9]+-[a-z]+\\)'"
6641 0 (>= gnus-button-emacs-level 9) gnus-button-handle-symbol 1)
6642 ("(setq[ \t\n]+\\([a-z][a-z0-9]+-[-a-z0-9]+\\)[ \t\n]+.+)"
6643 1 (>= gnus-button-emacs-level 7) gnus-button-handle-describe-variable 1)
6644 ("\\bM-x[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6645 1 (>= gnus-button-emacs-level 7) gnus-button-handle-describe-function 1)
6646 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+f[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6647 0 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-function 2)
6648 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+v[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6649 0 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-variable 2)
6650 ("`\\(\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+k[ \t\n]+\\([^']+\\)\\)'"
6651 ;; Unlike the other regexps we really have to require quoting
6652 ;; here to determine where it ends.
6653 1 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-key 3)
6654 ;; This is how URLs _should_ be embedded in text (RFC 1738, RFC 2396)...
6655 ("<URL: *\\([^<>]*\\)>"
6656 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
6657 ;; RFC 2396 (2.4.3., delims) ...
6658 ("\"URL: *\\([^\"]*\\)\""
6659 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
6660 ;; RFC 2396 (2.4.3., delims) ...
6661 ("\"URL: *\\([^\"]*\\)\""
6662 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
6664 (gnus-button-url-regexp
6665 0 (>= gnus-button-browse-level 0) browse-url 0)
6667 ("\\b\\([a-z][a-z]+([1-9])\\)\\W"
6668 0 (and (>= gnus-button-man-level 1) (< gnus-button-man-level 3))
6669 gnus-button-handle-man 1)
6670 ;; more man pages: resolv.conf(5), iso_8859-1(7), xterm(1x)
6671 ("\\b\\([a-z][-_.a-z0-9]+([1-9])\\)\\W"
6672 0 (and (>= gnus-button-man-level 3) (< gnus-button-man-level 5))
6673 gnus-button-handle-man 1)
6674 ;; even more: Apache::PerlRun(3pm), PDL::IO::FastRaw(3pm),
6675 ;; SoWWWAnchor(3iv), XSelectInput(3X11), X(1), X(7)
6676 ("\\b\\(\\(?:[a-z][-+_.:a-z0-9]+([1-9][X1a-z]*)\\)\\|\\b\\(?:X([1-9])\\)\\)\\W"
6677 0 (>= gnus-button-man-level 5) gnus-button-handle-man 1)
6678 ;; MID or mail: To avoid too many false positives we don't try to catch
6679 ;; all kind of allowed MIDs or mail addresses. Domain part must contain
6680 ;; at least one dot. TLD must contain two or three chars or be a know TLD
6681 ;; (info|name|...). Put this entry near the _end_ of `gnus-button-alist'
6682 ;; so that non-ambiguous entries (see above) match first.
6683 (gnus-button-mid-or-mail-regexp
6684 0 (>= gnus-button-message-level 5) gnus-button-handle-mid-or-mail 1))
6685 "*Alist of regexps matching buttons in article bodies.
6687 Each entry has the form (REGEXP BUTTON FORM CALLBACK PAR...), where
6688 REGEXP: is the string (case insensitive) matching text around the button (can
6689 also be Lisp expression evaluating to a string),
6690 BUTTON: is the number of the regexp grouping actually matching the button,
6691 FORM: is a Lisp expression which must eval to true for the button to
6693 CALLBACK: is the function to call when the user push this button, and each
6694 PAR: is a number of a regexp grouping whose text will be passed to CALLBACK.
6696 CALLBACK can also be a variable, in that case the value of that
6697 variable it the real callback function."
6698 :group 'gnus-article-buttons
6699 :type '(repeat (list (choice regexp variable sexp)
6700 (integer :tag "Button")
6702 (function :tag "Callback")
6705 (integer :tag "Regexp group")))))
6707 (defcustom gnus-header-button-alist
6708 '(("^\\(References\\|Message-I[Dd]\\|^In-Reply-To\\):" "<[^<>]+>"
6709 0 (>= gnus-button-message-level 0) gnus-button-message-id 0)
6710 ("^\\(From\\|Reply-To\\):" ": *\\(.+\\)$"
6711 1 (>= gnus-button-message-level 0) gnus-button-reply 1)
6712 ("^\\(Cc\\|To\\):" "[^ \t\n<>,()\"]+@[^ \t\n<>,()\"]+"
6713 0 (>= gnus-button-message-level 0) gnus-button-mailto 0)
6714 ("^X-[Uu][Rr][Ll]:" gnus-button-url-regexp
6715 0 (>= gnus-button-browse-level 0) browse-url 0)
6716 ("^Subject:" gnus-button-url-regexp
6717 0 (>= gnus-button-browse-level 0) browse-url 0)
6718 ("^[^:]+:" gnus-button-url-regexp
6719 0 (>= gnus-button-browse-level 0) browse-url 0)
6720 ("^[^:]+:" "\\bmailto:\\([-a-z.@_+0-9%=?&/]+\\)"
6721 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
6722 ("^[^:]+:" "\\(<\\(url: \\)?\\(nntp\\|news\\):\\([^>\n ]*\\)>\\)"
6723 1 (>= gnus-button-message-level 0) gnus-button-message-id 4))
6724 "*Alist of headers and regexps to match buttons in article heads.
6726 This alist is very similar to `gnus-button-alist', except that each
6727 alist has an additional HEADER element first in each entry:
6729 \(HEADER REGEXP BUTTON FORM CALLBACK PAR)
6731 HEADER is a regexp to match a header. For a fuller explanation, see
6732 `gnus-button-alist'."
6733 :group 'gnus-article-buttons
6734 :group 'gnus-article-headers
6735 :type '(repeat (list (regexp :tag "Header")
6736 (choice regexp variable)
6737 (integer :tag "Button")
6739 (function :tag "Callback")
6742 (integer :tag "Regexp group")))))
6746 (defun gnus-article-push-button (event)
6747 "Check text under the mouse pointer for a callback function.
6748 If the text under the mouse pointer has a `gnus-callback' property,
6749 call it with the value of the `gnus-data' text property."
6751 (set-buffer (window-buffer (posn-window (event-start event))))
6752 (let* ((pos (posn-point (event-start event)))
6753 (data (get-text-property pos 'gnus-data))
6754 (fun (get-text-property pos 'gnus-callback)))
6757 (funcall fun data))))
6759 (defun gnus-article-press-button ()
6760 "Check text at point for a callback function.
6761 If the text at point has a `gnus-callback' property,
6762 call it with the value of the `gnus-data' text property."
6764 (let ((data (get-text-property (point) 'gnus-data))
6765 (fun (get-text-property (point) 'gnus-callback)))
6767 (funcall fun data))))
6769 (defun gnus-article-prev-button (n)
6770 "Move point to N buttons backward.
6771 If N is negative, move forward instead."
6773 (gnus-article-next-button (- n)))
6775 (defun gnus-article-next-button (n)
6776 "Move point to N buttons forward.
6777 If N is negative, move backward instead."
6779 (let ((function (if (< n 0) 'previous-single-property-change
6780 'next-single-property-change))
6781 (inhibit-point-motion-hooks t)
6783 (limit (if (< n 0) (point-min) (point-max))))
6785 (while (and (not (= limit (point)))
6787 ;; Skip past the current button.
6788 (when (get-text-property (point) 'gnus-callback)
6789 (goto-char (funcall function (point) 'gnus-callback nil limit)))
6790 ;; Go to the next (or previous) button.
6791 (gnus-goto-char (funcall function (point) 'gnus-callback nil limit))
6792 ;; Put point at the start of the button.
6793 (when (and backward (not (get-text-property (point) 'gnus-callback)))
6794 (goto-char (funcall function (point) 'gnus-callback nil limit)))
6795 ;; Skip past intangible buttons.
6796 (when (get-text-property (point) 'intangible)
6800 (gnus-message 5 "No more buttons"))
6803 (defun gnus-article-highlight (&optional force)
6804 "Highlight current article.
6805 This function calls `gnus-article-highlight-headers',
6806 `gnus-article-highlight-citation',
6807 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
6808 do the highlighting. See the documentation for those functions."
6809 (interactive (list 'force))
6810 (gnus-article-highlight-headers)
6811 (gnus-article-highlight-citation force)
6812 (gnus-article-highlight-signature)
6813 (gnus-article-add-buttons force)
6814 (gnus-article-add-buttons-to-head))
6816 (defun gnus-article-highlight-some (&optional force)
6817 "Highlight current article.
6818 This function calls `gnus-article-highlight-headers',
6819 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
6820 do the highlighting. See the documentation for those functions."
6821 (interactive (list 'force))
6822 (gnus-article-highlight-headers)
6823 (gnus-article-highlight-signature)
6824 (gnus-article-add-buttons))
6826 (defun gnus-article-highlight-headers ()
6827 "Highlight article headers as specified by `gnus-header-face-alist'."
6829 (gnus-with-article-headers
6830 (let ((alist gnus-header-face-alist)
6831 entry regexp header-face field-face from hpoints fpoints)
6832 (while (setq entry (pop alist))
6833 (goto-char (point-min))
6834 (setq regexp (concat "^\\("
6835 (if (string-equal "" (nth 0 entry))
6839 header-face (nth 1 entry)
6840 field-face (nth 2 entry))
6841 (while (and (re-search-forward regexp nil t)
6845 (unless (search-forward ":" nil t)
6847 (when (and header-face
6848 (not (memq (point) hpoints)))
6849 (push (point) hpoints)
6850 (gnus-put-text-property from (point) 'face header-face))
6851 (when (and field-face
6852 (not (memq (setq from (point)) fpoints)))
6854 (if (re-search-forward "^[^ \t]" nil t)
6856 (goto-char (point-max)))
6857 (gnus-put-text-property from (point) 'face field-face)))))))
6859 (defun gnus-article-highlight-signature ()
6860 "Highlight the signature in an article.
6861 It does this by highlighting everything after
6862 `gnus-signature-separator' using `gnus-signature-face'."
6864 (when gnus-signature-face
6865 (gnus-with-article-buffer
6866 (let ((inhibit-point-motion-hooks t))
6868 (when (gnus-article-narrow-to-signature)
6869 (gnus-overlay-put (gnus-make-overlay (point-min) (point-max))
6870 'face gnus-signature-face)))))))
6872 (defun gnus-article-buttonize-signature ()
6873 "Add button to the signature."
6876 (set-buffer gnus-article-buffer)
6877 (let ((inhibit-read-only t)
6878 (inhibit-point-motion-hooks t))
6879 (when (gnus-article-search-signature)
6880 (gnus-article-add-button (match-beginning 0) (match-end 0)
6881 'gnus-signature-toggle
6882 (set-marker (make-marker)
6883 (1+ (match-end 0))))))))
6885 (defun gnus-button-in-region-p (b e prop)
6886 "Say whether PROP exists in the region."
6887 (text-property-not-all b e prop nil))
6889 (defun gnus-article-add-buttons (&optional force)
6890 "Find external references in the article and make buttons of them.
6891 \"External references\" are things like Message-IDs and URLs, as
6892 specified by `gnus-button-alist'."
6893 (interactive (list 'force))
6894 (gnus-with-article-buffer
6895 (let ((inhibit-point-motion-hooks t)
6896 (case-fold-search t)
6897 (alist gnus-button-alist)
6899 ;; Remove all old markers.
6900 (let (marker entry new-list)
6901 (while (setq marker (pop gnus-button-marker-list))
6902 (if (or (< marker (point-min)) (>= marker (point-max)))
6903 (push marker new-list)
6905 (when (setq entry (gnus-button-entry))
6906 (put-text-property (match-beginning (nth 1 entry))
6907 (match-end (nth 1 entry))
6908 'gnus-callback nil))
6909 (set-marker marker nil)))
6910 (setq gnus-button-marker-list new-list))
6911 ;; We skip the headers.
6914 (while (setq entry (pop alist))
6915 (setq regexp (eval (car entry)))
6917 (while (re-search-forward regexp nil t)
6918 (let* ((start (and entry (match-beginning (nth 1 entry))))
6919 (end (and entry (match-end (nth 1 entry))))
6920 (from (match-beginning 0)))
6921 (when (and (or (eq t (nth 2 entry))
6922 (eval (nth 2 entry)))
6923 (not (gnus-button-in-region-p
6924 start end 'gnus-callback)))
6925 ;; That optional form returned non-nil, so we add the
6927 (gnus-article-add-button
6928 start end 'gnus-button-push
6929 (car (push (set-marker (make-marker) from)
6930 gnus-button-marker-list))))))))))
6932 ;; Add buttons to the head of an article.
6933 (defun gnus-article-add-buttons-to-head ()
6934 "Add buttons to the head of the article."
6936 (gnus-with-article-headers
6937 (let ((alist gnus-header-button-alist)
6940 ;; Each alist entry.
6941 (setq entry (pop alist))
6942 (goto-char (point-min))
6943 (while (re-search-forward (car entry) nil t)
6944 ;; Each header matching the entry.
6945 (setq beg (match-beginning 0))
6946 (setq end (or (and (re-search-forward "^[^ \t]" nil t)
6947 (match-beginning 0))
6950 (while (re-search-forward (eval (nth 1 entry)) end t)
6951 ;; Each match within a header.
6952 (let* ((entry (cdr entry))
6953 (start (match-beginning (nth 1 entry)))
6954 (end (match-end (nth 1 entry)))
6955 (form (nth 2 entry)))
6956 (goto-char (match-end 0))
6958 (gnus-article-add-button
6959 start end (nth 3 entry)
6960 (buffer-substring (match-beginning (nth 4 entry))
6961 (match-end (nth 4 entry)))))))
6962 (goto-char end))))))
6964 ;;; External functions:
6966 (defun gnus-article-add-button (from to fun &optional data)
6967 "Create a button between FROM and TO with callback FUN and data DATA."
6968 (when gnus-article-button-face
6969 (gnus-overlay-put (gnus-make-overlay from to)
6970 'face gnus-article-button-face))
6971 (gnus-add-text-properties
6973 (nconc (and gnus-article-mouse-face
6974 (list gnus-mouse-face-prop gnus-article-mouse-face))
6975 (list 'gnus-callback fun)
6976 (and data (list 'gnus-data data))))
6977 (widget-convert-button 'link from to :action 'gnus-widget-press-button
6978 :button-keymap gnus-widget-button-keymap))
6980 ;;; Internal functions:
6982 (defun gnus-article-set-globals ()
6983 (with-current-buffer gnus-summary-buffer
6984 (gnus-set-global-variables)))
6986 (defun gnus-signature-toggle (end)
6987 (gnus-with-article-buffer
6988 (let ((inhibit-point-motion-hooks t)
6989 (limit (next-single-property-change end 'mime-view-entity
6991 (if (text-property-any end limit 'article-type 'signature)
6993 (gnus-delete-wash-type 'signature)
6994 (gnus-remove-text-properties-when
6995 'article-type 'signature end limit
6996 (cons 'article-type (cons 'signature
6997 gnus-hidden-properties))))
6998 (gnus-add-wash-type 'signature)
6999 (gnus-add-text-properties-when
7000 'article-type nil end limit
7001 (cons 'article-type (cons 'signature
7002 gnus-hidden-properties)))))
7003 (let ((gnus-article-mime-handle-alist-1 gnus-article-mime-handle-alist))
7004 (gnus-set-mode-line 'article))))
7006 (defun gnus-button-entry ()
7007 ;; Return the first entry in `gnus-button-alist' matching this place.
7008 (let ((alist gnus-button-alist)
7011 (setq entry (pop alist))
7012 (if (looking-at (eval (car entry)))
7017 (defun gnus-button-push (marker)
7018 ;; Push button starting at MARKER.
7021 (let* ((entry (gnus-button-entry))
7022 (inhibit-point-motion-hooks t)
7024 (args (mapcar (lambda (group)
7025 (let ((string (match-string group)))
7026 (set-text-properties
7027 0 (length string) nil string)
7034 (fboundp (symbol-value fun)))
7035 (apply (symbol-value fun) args))
7037 (gnus-message 1 "You must define `%S' to use this button"
7038 (cons fun args)))))))
7040 (defun gnus-parse-news-url (url)
7041 (let (scheme server group message-id articles)
7044 (goto-char (point-min))
7045 (when (looking-at "\\([A-Za-z]+\\):")
7046 (setq scheme (match-string 1))
7047 (goto-char (match-end 0)))
7048 (when (looking-at "//\\([^/]+\\)/")
7049 (setq server (match-string 1))
7050 (goto-char (match-end 0)))
7053 ((looking-at "\\(.*@.*\\)")
7054 (setq message-id (match-string 1)))
7055 ((looking-at "\\([^/]+\\)/\\([-0-9]+\\)")
7056 (setq group (match-string 1)
7057 articles (split-string (match-string 2) "-")))
7058 ((looking-at "\\([^/]+\\)/?")
7059 (setq group (match-string 1)))
7061 (error "Unknown news URL syntax"))))
7062 (list scheme server group message-id articles)))
7064 (defun gnus-button-handle-news (url)
7066 (destructuring-bind (scheme server group message-id articles)
7067 (gnus-parse-news-url url)
7071 (set-buffer gnus-summary-buffer)
7073 (let ((gnus-refer-article-method (list (list 'nntp server))))
7074 (gnus-summary-refer-article message-id))
7075 (gnus-summary-refer-article message-id))))
7077 (gnus-button-fetch-group url)))))
7079 (defun gnus-button-handle-man (url)
7081 (gnus-message 9 "`%s' `%s'" gnus-button-man-handler url)
7082 (when (eq gnus-button-man-handler 'woman)
7083 (setq url (gnus-replace-in-string url "([1-9][X1a-z]*).*\\'" "")))
7084 (gnus-message 9 "`%s' `%s'" gnus-button-man-handler url)
7085 (funcall gnus-button-man-handler url))
7087 (defun gnus-button-handle-info-url (url)
7088 "Fetch an info URL."
7089 (setq url (mm-subst-char-in-string ?+ ?\ url))
7091 ((string-match "^\\([^:/]+\\)?/\\(.*\\)" url)
7092 (gnus-info-find-node
7093 (concat "(" (or (gnus-url-unhex-string (match-string 1 url))
7095 ")" (gnus-url-unhex-string (match-string 2 url)))))
7096 ((string-match "([^)\"]+)[^\"]+" url)
7098 (gnus-replace-in-string
7099 (gnus-replace-in-string url "[\n\t ]+" " ") "\"" ""))
7100 (gnus-info-find-node url))
7101 (t (error "Can't parse %s" url))))
7103 (defun gnus-button-handle-info-url-gnome (url)
7104 "Fetch GNOME style info URL."
7105 (setq url (mm-subst-char-in-string ?_ ?\ url))
7106 (if (string-match "\\([^#]+\\)#?\\(.*\\)" url)
7107 (gnus-info-find-node
7109 (gnus-url-unhex-string
7110 (match-string 1 url))
7112 (or (gnus-url-unhex-string
7113 (match-string 2 url))
7115 (error "Can't parse %s" url)))
7117 (defun gnus-button-handle-info-url-kde (url)
7118 "Fetch KDE style info URL."
7119 (gnus-info-find-node (gnus-url-unhex-string url)))
7121 (defun gnus-button-handle-info-keystrokes (url)
7122 "Call `info' when pushing the corresponding URL button."
7123 ;; For links like `C-h i d m gnus RET', `C-h i d m CC Mode RET'.
7128 (defun gnus-button-message-id (message-id)
7130 (with-current-buffer gnus-summary-buffer
7131 (gnus-summary-refer-article message-id)))
7133 (defun gnus-button-fetch-group (address)
7134 "Fetch GROUP specified by ADDRESS."
7135 (if (not (string-match "[:/]" address))
7136 ;; This is just a simple group url.
7137 (gnus-group-read-ephemeral-group address gnus-select-method)
7140 "^\\([^:/]+\\)\\(:\\([^/]+\\)\\)?/\\([^/]+\\)\\(/\\([0-9]+\\)\\)?"
7142 (error "Can't parse %s" address)
7143 (gnus-group-read-ephemeral-group
7144 (match-string 4 address)
7145 `(nntp ,(match-string 1 address)
7146 (nntp-address ,(match-string 1 address))
7147 (nntp-port-number ,(if (match-end 3)
7148 (match-string 3 address)
7151 (and (match-end 6) (list (string-to-int (match-string 6 address))))))))
7153 (defun gnus-url-parse-query-string (query &optional downcase)
7154 (let (retval pairs cur key val)
7155 (setq pairs (split-string query "&"))
7157 (setq cur (car pairs)
7159 (if (not (string-match "=" cur))
7161 (setq key (gnus-url-unhex-string (substring cur 0 (match-beginning 0)))
7162 val (gnus-url-unhex-string (substring cur (match-end 0) nil) t))
7164 (setq key (downcase key)))
7165 (setq cur (assoc key retval))
7167 (setcdr cur (cons val (cdr cur)))
7168 (setq retval (cons (list key val) retval)))))
7171 (defun gnus-url-mailto (url)
7172 ;; Send mail to someone
7173 (when (string-match "mailto:/*\\(.*\\)" url)
7174 (setq url (substring url (match-beginning 1) nil)))
7175 (let (to args subject func)
7176 (setq args (gnus-url-parse-query-string
7177 (if (string-match "^\\?" url)
7179 (if (string-match "^\\([^?]+\\)\\?\\(.*\\)" url)
7180 (concat "to=" (match-string 1 url) "&"
7181 (match-string 2 url))
7182 (concat "to=" url)))
7184 subject (cdr-safe (assoc "subject" args)))
7187 (setq func (intern-soft (concat "message-goto-" (downcase (caar args)))))
7190 (message-position-on-field (caar args)))
7191 (insert (gnus-replace-in-string
7192 (mapconcat 'identity (reverse (cdar args)) ", ")
7194 (setq args (cdr args)))
7197 (message-goto-subject))))
7199 (defun gnus-button-embedded-url (address)
7200 "Activate ADDRESS with `browse-url'."
7201 (browse-url (gnus-strip-whitespace address)))
7203 ;;; Next/prev buttons in the article buffer.
7205 (defvar gnus-next-page-line-format "%{%(Next page...%)%}\n")
7206 (defvar gnus-prev-page-line-format "%{%(Previous page...%)%}\n")
7208 (defvar gnus-prev-page-map
7209 (let ((map (make-sparse-keymap)))
7210 (define-key map gnus-mouse-2 'gnus-button-prev-page)
7211 (define-key map "\r" 'gnus-button-prev-page)
7214 (defvar gnus-next-page-map
7215 (let ((map (make-sparse-keymap)))
7216 (unless (>= emacs-major-version 21)
7217 ;; XEmacs doesn't care.
7218 (set-keymap-parent map gnus-article-mode-map))
7219 (define-key map gnus-mouse-2 'gnus-button-next-page)
7220 (define-key map "\r" 'gnus-button-next-page)
7223 (defun gnus-insert-prev-page-button ()
7225 (inhibit-read-only t)
7226 (situation (get-text-property (point-min) 'mime-view-situation)))
7228 gnus-prev-page-line-format nil
7229 `(keymap ,gnus-prev-page-map
7231 gnus-callback gnus-article-button-prev-page
7232 article-type annotation
7233 mime-view-situation ,situation))
7234 (widget-convert-button
7236 ;; Exclude a newline.
7239 :action 'gnus-button-prev-page
7240 :button-keymap gnus-prev-page-map)))
7242 (defun gnus-button-next-page (&optional args more-args)
7243 "Go to the next page."
7245 (let ((win (selected-window)))
7246 (select-window (gnus-get-buffer-window gnus-article-buffer t))
7247 (gnus-article-next-page)
7248 (select-window win)))
7250 (defun gnus-button-prev-page (&optional args more-args)
7251 "Go to the prev page."
7253 (let ((win (selected-window)))
7254 (select-window (gnus-get-buffer-window gnus-article-buffer t))
7255 (gnus-article-prev-page)
7256 (select-window win)))
7258 (defun gnus-insert-next-page-button ()
7260 (inhibit-read-only t)
7261 (situation (get-text-property (point-min) 'mime-view-situation)))
7262 (gnus-eval-format gnus-next-page-line-format nil
7263 `(keymap ,gnus-next-page-map
7265 gnus-callback gnus-article-button-next-page
7266 article-type annotation
7267 mime-view-situation ,situation))
7268 (widget-convert-button
7270 ;; Exclude a newline.
7273 :action 'gnus-button-next-page
7274 :button-keymap gnus-next-page-map)))
7276 (defun gnus-article-button-next-page (arg)
7277 "Go to the next page."
7279 (let ((win (selected-window)))
7280 (select-window (gnus-get-buffer-window gnus-article-buffer t))
7281 (gnus-article-next-page)
7282 (select-window win)))
7284 (defun gnus-article-button-prev-page (arg)
7285 "Go to the prev page."
7287 (let ((win (selected-window)))
7288 (select-window (gnus-get-buffer-window gnus-article-buffer t))
7289 (gnus-article-prev-page)
7290 (select-window win)))
7292 (defvar gnus-decode-header-methods
7293 '(mail-decode-encoded-word-region)
7294 "List of methods used to decode headers.
7296 This variable is a list of FUNCTION or (REGEXP . FUNCTION). If item
7297 is FUNCTION, FUNCTION will be applied to all newsgroups. If item is a
7298 \(REGEXP . FUNCTION), FUNCTION will be only apply to the newsgroups
7299 whose names match REGEXP.
7302 \((\"chinese\" . gnus-decode-encoded-word-region-by-guess)
7303 mail-decode-encoded-word-region
7304 (\"chinese\" . rfc1843-decode-region))
7307 (defvar gnus-decode-header-methods-cache nil)
7309 (defun gnus-multi-decode-header (start end)
7310 "Apply the functions from `gnus-encoded-word-methods' that match."
7311 (unless (and gnus-decode-header-methods-cache
7312 (eq gnus-newsgroup-name
7313 (car gnus-decode-header-methods-cache)))
7314 (setq gnus-decode-header-methods-cache (list gnus-newsgroup-name))
7317 (nconc gnus-decode-header-methods-cache (list x))
7318 (if (and gnus-newsgroup-name
7319 (string-match (car x) gnus-newsgroup-name))
7320 (nconc gnus-decode-header-methods-cache
7322 gnus-decode-header-methods))
7323 (let ((xlist gnus-decode-header-methods-cache))
7326 (narrow-to-region start end)
7328 (funcall (pop xlist) (point-min) (point-max))))))
7331 ;;; Treatment top-level handling.
7334 (defun gnus-treat-article (condition &optional part-number total-parts type)
7335 (let ((length (- (point-max) (point-min)))
7336 (alist gnus-treatment-function-alist)
7337 (article-goto-body-goes-to-point-min-p t)
7341 (let ((list gnus-article-treat-types))
7343 (when (string-match (pop list) type)
7344 (throw 'found t)))))))
7345 (highlightp (gnus-visual-p 'article-highlight 'highlight))
7346 (entity (static-unless (featurep 'xemacs)
7347 (when (eq 'head condition)
7348 (get-text-property (point-min) 'mime-view-entity))))
7349 val elem buttonized)
7350 (gnus-run-hooks 'gnus-part-display-hook)
7351 (unless gnus-inhibit-treatment
7352 (dolist (elem alist)
7355 (when (gnus-buffer-live-p gnus-summary-buffer)
7356 (set-buffer gnus-summary-buffer))
7357 (symbol-value (car elem))))
7358 (when (and (or (consp val)
7360 (gnus-treat-predicate val)
7361 (or (not (get (car elem) 'highlight))
7363 (when (and (not buttonized)
7365 '(gnus-treat-hide-signature
7366 gnus-treat-highlight-signature)))
7367 (gnus-article-buttonize-signature)
7368 (setq buttonized t))
7370 (funcall (cadr elem)))))
7371 ;; FSF Emacsen does not inherit the existing text properties
7372 ;; in the new text, so we should do it for `mime-view-entity'.
7373 (static-unless (featurep 'xemacs)
7375 (put-text-property (point-min) (point-max)
7376 'mime-view-entity entity))))))
7378 ;; Dynamic variables.
7380 (defvar part-number)
7381 (defvar total-parts)
7386 (defun gnus-treat-predicate (val)
7391 (stringp (car val)))
7392 (apply 'gnus-or (mapcar `(lambda (s)
7393 (string-match s ,(or gnus-newsgroup-name "")))
7396 (let ((pred (pop val)))
7399 (apply 'gnus-or (mapcar 'gnus-treat-predicate val)))
7401 (apply 'gnus-and (mapcar 'gnus-treat-predicate val)))
7403 (not (gnus-treat-predicate (car val))))
7405 (equal (car val) type))
7407 (error "%S is not a valid predicate" pred)))))
7417 (eq part-number total-parts))
7421 (error "%S is not a valid value" val))))
7423 (defun gnus-article-encrypt-body (protocol &optional n)
7424 "Encrypt the article body."
7427 (or gnus-article-encrypt-protocol
7428 (completing-read "Encrypt protocol: "
7429 gnus-article-encrypt-protocol-alist
7431 current-prefix-arg))
7432 (let ((func (cdr (assoc protocol gnus-article-encrypt-protocol-alist))))
7434 (error (format "Can't find the encrypt protocol %s" protocol)))
7435 (if (member gnus-newsgroup-name '("nndraft:delayed"
7438 (error "Can't encrypt the article in group %s"
7439 gnus-newsgroup-name))
7440 (gnus-summary-iterate n
7442 (set-buffer gnus-summary-buffer)
7443 (let ((mail-parse-charset gnus-newsgroup-charset)
7444 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets)
7445 (summary-buffer gnus-summary-buffer)
7447 (gnus-set-global-variables)
7448 (when (gnus-group-read-only-p)
7449 (error "The current newsgroup does not support article encrypt"))
7450 (gnus-summary-show-article t)
7452 (or (mail-header-references gnus-current-headers) ""))
7453 (set-buffer gnus-article-buffer)
7454 (let* ((inhibit-read-only t)
7456 (mapcar (lambda (field)
7457 (and (save-restriction
7458 (message-narrow-to-head)
7459 (goto-char (point-min))
7460 (search-forward field nil t))
7462 (message-narrow-to-field)
7464 (delete-region (point-min) (point-max))
7466 '("Content-Type:" "Content-Transfer-Encoding:"
7467 "Content-Disposition:"))))
7468 (message-narrow-to-head)
7469 (message-remove-header "MIME-Version")
7470 (goto-char (point-max))
7471 (setq point (point))
7472 (insert (apply 'concat headers))
7474 (narrow-to-region point (point-max))
7475 (let ((message-options message-options))
7476 (message-options-set 'message-sender user-mail-address)
7477 (message-options-set 'message-recipients user-mail-address)
7478 (message-options-set 'message-sign-encrypt 'not)
7480 (goto-char (point-min))
7481 (insert "MIME-Version: 1.0\n")
7483 (gnus-summary-edit-article-done
7484 references nil summary-buffer t))
7485 (when gnus-keep-backlog
7486 (gnus-backlog-remove-article
7487 (car gnus-article-current) (cdr gnus-article-current)))
7489 (when (get-buffer gnus-original-article-buffer)
7490 (set-buffer gnus-original-article-buffer)
7491 (setq gnus-original-article nil)))
7492 (when gnus-use-cache
7493 (gnus-cache-update-article
7494 (car gnus-article-current) (cdr gnus-article-current))))))))
7496 (defvar gnus-mime-security-button-line-format "%{%([[%t:%i]%D]%)%}\n"
7497 "The following specs can be used:
7498 %t The security MIME type
7501 %D Details if button is pressed")
7503 (defvar gnus-mime-security-button-end-line-format "%{%([[End of %t]%D]%)%}\n"
7504 "The following specs can be used:
7505 %t The security MIME type
7508 %D Details if button is pressed")
7510 (defvar gnus-mime-security-button-line-format-alist
7511 '((?t gnus-tmp-type ?s)
7512 (?i gnus-tmp-info ?s)
7513 (?d gnus-tmp-details ?s)
7514 (?D gnus-tmp-pressed-details ?s)))
7516 (defvar gnus-mime-security-button-map
7517 (let ((map (make-sparse-keymap)))
7518 (define-key map gnus-mouse-2 'gnus-article-push-button)
7519 (define-key map "\r" 'gnus-article-press-button)
7522 (defvar gnus-mime-security-details-buffer nil)
7524 (defvar gnus-mime-security-button-pressed nil)
7526 (defvar gnus-mime-security-show-details-inline t
7527 "If non-nil, show details in the article buffer.")
7529 (defun gnus-mime-security-verify-or-decrypt (handle)
7530 (mm-remove-parts (cdr handle))
7531 (let ((region (mm-handle-multipart-ctl-parameter handle 'gnus-region))
7532 point (inhibit-read-only t))
7534 (goto-char (car region)))
7536 (narrow-to-region (point) (point))
7537 (with-current-buffer (mm-handle-multipart-original-buffer handle)
7538 (let* ((mm-verify-option 'known)
7539 (mm-decrypt-option 'known)
7540 (nparts (mm-possibly-verify-or-decrypt (cdr handle) handle)))
7541 (unless (eq nparts (cdr handle))
7542 (mm-destroy-parts (cdr handle))
7543 (setcdr handle nparts))))
7544 (setq point (point))
7545 (gnus-mime-display-security handle)
7546 (goto-char (point-max)))
7548 (delete-region (point) (cdr region))
7549 (set-marker (car region) nil)
7550 (set-marker (cdr region) nil))
7553 (defun gnus-mime-security-show-details (handle)
7554 (let ((details (mm-handle-multipart-ctl-parameter handle 'gnus-details)))
7556 (gnus-message 5 "No details.")
7557 (if gnus-mime-security-show-details-inline
7558 (let ((gnus-mime-security-button-pressed
7559 (not (get-text-property (point) 'gnus-mime-details)))
7560 (gnus-mime-security-button-line-format
7561 (get-text-property (point) 'gnus-line-format))
7562 (inhibit-read-only t))
7564 (while (eq (get-text-property (point) 'gnus-line-format)
7565 gnus-mime-security-button-line-format)
7569 (narrow-to-region (point) (point))
7570 (gnus-insert-mime-security-button handle))
7571 (delete-region (point)
7572 (or (text-property-not-all
7575 gnus-mime-security-button-line-format)
7578 (if (gnus-buffer-live-p gnus-mime-security-details-buffer)
7579 (with-current-buffer gnus-mime-security-details-buffer
7582 (setq gnus-mime-security-details-buffer
7583 (gnus-get-buffer-create "*MIME Security Details*")))
7584 (with-current-buffer gnus-mime-security-details-buffer
7586 (goto-char (point-min)))
7587 (pop-to-buffer gnus-mime-security-details-buffer)))))
7589 (defun gnus-mime-security-press-button (handle)
7591 (if (mm-handle-multipart-ctl-parameter handle 'gnus-info)
7592 (gnus-mime-security-show-details handle)
7593 (gnus-mime-security-verify-or-decrypt handle))))
7595 (defun gnus-insert-mime-security-button (handle &optional displayed)
7596 (let* ((protocol (mm-handle-multipart-ctl-parameter handle 'protocol))
7599 (or (nth 2 (assoc protocol mm-verify-function-alist))
7600 (nth 2 (assoc protocol mm-decrypt-function-alist))
7602 (if (equal (car handle) "multipart/signed")
7603 " Signed" " Encrypted")
7606 (or (mm-handle-multipart-ctl-parameter handle 'gnus-info)
7609 (mm-handle-multipart-ctl-parameter handle 'gnus-details))
7610 gnus-tmp-pressed-details
7612 (setq gnus-tmp-details
7613 (if gnus-tmp-details
7614 (concat "\n" gnus-tmp-details)
7616 (setq gnus-tmp-pressed-details
7617 (if gnus-mime-security-button-pressed gnus-tmp-details ""))
7622 gnus-mime-security-button-line-format
7623 gnus-mime-security-button-line-format-alist
7624 `(keymap ,gnus-mime-security-button-map
7625 gnus-callback gnus-mime-security-press-button
7626 gnus-line-format ,gnus-mime-security-button-line-format
7627 gnus-mime-details ,gnus-mime-security-button-pressed
7628 article-type annotation
7631 ;; Exclude a newline.
7634 (widget-convert-button
7637 :action 'gnus-widget-press-button
7638 :button-keymap gnus-mime-security-button-map
7640 (lambda (widget/window &optional overlay pos)
7641 ;; Needed to properly clear the message due to a bug in
7642 ;; wid-edit (XEmacs only).
7643 (when (boundp 'help-echo-owns-message)
7644 (setq help-echo-owns-message t))
7647 (aref gnus-mouse-2 0))))))
7649 (defun gnus-mime-display-security (handle)
7651 (narrow-to-region (point) (point))
7652 (unless (gnus-unbuttonized-mime-type-p (car handle))
7653 (gnus-insert-mime-security-button handle))
7654 (gnus-mime-display-mixed (cdr handle))
7657 (unless (gnus-unbuttonized-mime-type-p (car handle))
7658 (let ((gnus-mime-security-button-line-format
7659 gnus-mime-security-button-end-line-format))
7660 (gnus-insert-mime-security-button handle)))
7661 (mm-set-handle-multipart-parameter
7663 (cons (set-marker (make-marker) (point-min))
7664 (set-marker (make-marker) (point-max))))))
7670 (defun gnus-article-header-presentation-method (entity situation)
7671 (mime-insert-header entity)
7672 (article-decode-group-name))
7674 (set-alist 'mime-header-presentation-method-alist
7675 'gnus-original-article-mode
7676 #'gnus-article-header-presentation-method)
7678 (defun gnus-mime-preview-quitting-method ()
7679 (mime-preview-kill-buffer)
7680 (delete-other-windows)
7681 (gnus-article-show-summary)
7682 (gnus-summary-select-article gnus-show-all-headers t))
7684 (set-alist 'mime-preview-quitting-method-alist
7685 'gnus-original-article-mode #'gnus-mime-preview-quitting-method)
7687 (set-alist 'mime-preview-following-method-alist
7688 'gnus-original-article-mode #'gnus-following-method)
7690 (set-alist 'mime-preview-over-to-previous-method-alist
7691 'gnus-original-article-mode
7693 (if (> (point-min) 1)
7694 (gnus-article-prev-page)
7695 (gnus-article-read-summary-keys
7696 nil (gnus-character-to-event ?P)))))
7698 (set-alist 'mime-preview-over-to-next-method-alist
7699 'gnus-original-article-mode'
7701 (if (< (point-max) (buffer-size))
7702 (gnus-article-next-page)
7703 (gnus-article-read-summary-keys
7704 nil (gnus-character-to-event ?N)))))
7714 (run-hooks 'gnus-art-load-hook)
7716 ;;; gnus-art.el ends here