1 ;;; gnus-art.el --- article mode commands for Semi-gnus
3 ;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
4 ;; 2005, 2006 Free Software Foundation, Inc.
6 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
7 ;; MORIOKA Tomohiko <morioka@jaist.ac.jp>
8 ;; Katsumi Yamaoka <yamaoka@jpl.org>
9 ;; Keywords: mail, news, MIME
11 ;; This file is part of GNU Emacs.
13 ;; GNU Emacs is free software; you can redistribute it and/or modify
14 ;; it under the terms of the GNU General Public License as published by
15 ;; the Free Software Foundation; either version 2, or (at your option)
18 ;; GNU Emacs is distributed in the hope that it will be useful,
19 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
20 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 ;; GNU General Public License for more details.
23 ;; You should have received a copy of the GNU General Public License
24 ;; along with GNU Emacs; see the file COPYING. If not, write to the
25 ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
26 ;; Boston, MA 02110-1301, USA.
36 (defvar w3m-minor-mode-map))
40 ;; Avoid the "Recursive load suspected" error in Emacs 21.1.
42 (let ((recursive-load-depth-limit 100))
49 (when (static-if (featurep 'xemacs)
50 (console-on-window-system-p)
52 (require 'mime-image))
55 ;; Avoid byte-compile warnings.
65 (autoload 'gnus-msg-mail "gnus-msg" nil t)
66 (autoload 'gnus-button-mailto "gnus-msg")
67 (autoload 'gnus-button-reply "gnus-msg" nil t)
68 (autoload 'parse-time-string "parse-time" nil nil)
69 (autoload 'ansi-color-apply-on-region "ansi-color")
71 (defgroup gnus-article nil
73 :link '(custom-manual "(gnus)Article Buffer")
76 (defgroup gnus-article-treat nil
77 "Treating article parts."
78 :link '(custom-manual "(gnus)Article Hiding")
81 (defgroup gnus-article-hiding nil
82 "Hiding article parts."
83 :link '(custom-manual "(gnus)Article Hiding")
86 (defgroup gnus-article-highlight nil
87 "Article highlighting."
88 :link '(custom-manual "(gnus)Article Highlighting")
92 (defgroup gnus-article-signature nil
94 :link '(custom-manual "(gnus)Article Signature")
97 (defgroup gnus-article-headers nil
99 :link '(custom-manual "(gnus)Hiding Headers")
100 :group 'gnus-article)
102 (defgroup gnus-article-washing nil
103 "Special commands on articles."
104 :link '(custom-manual "(gnus)Article Washing")
105 :group 'gnus-article)
107 (defgroup gnus-article-emphasis nil
108 "Fontisizing articles."
109 :link '(custom-manual "(gnus)Article Fontisizing")
110 :group 'gnus-article)
112 (defgroup gnus-article-saving nil
114 :link '(custom-manual "(gnus)Saving Articles")
115 :group 'gnus-article)
117 (defgroup gnus-article-mime nil
118 "Worshiping the MIME wonder."
119 :link '(custom-manual "(gnus)Using MIME")
120 :group 'gnus-article)
122 (defgroup gnus-article-buttons nil
123 "Pushable buttons in the article buffer."
124 :link '(custom-manual "(gnus)Article Buttons")
125 :group 'gnus-article)
127 (defgroup gnus-article-various nil
128 "Other article options."
129 :link '(custom-manual "(gnus)Misc Article")
130 :group 'gnus-article)
132 (defcustom gnus-ignored-headers
135 (concat "^" header ":"))
136 '("Path" "Expires" "Date-Received" "References" "Xref" "Lines"
137 "Relay-Version" "Message-ID" "Approved" "Sender" "Received"
138 "X-UIDL" "MIME-Version" "Return-Path" "In-Reply-To"
139 "Content-Type" "Content-Transfer-Encoding" "X-WebTV-Signature"
140 "X-MimeOLE" "X-MSMail-Priority" "X-Priority" "X-Loop"
141 "X-Authentication-Warning" "X-MIME-Autoconverted" "X-Face"
142 "X-Attribution" "X-Originating-IP" "Delivered-To"
143 "NNTP-[-A-Za-z]+" "Distribution" "X-no-archive" "X-Trace"
144 "X-Complaints-To" "X-NNTP-Posting-Host" "X-Orig.*"
145 "Abuse-Reports-To" "Cache-Post-Path" "X-Article-Creation-Date"
146 "X-Poster" "X-Mail2News-Path" "X-Server-Date" "X-Cache"
147 "Originator" "X-Problems-To" "X-Auth-User" "X-Post-Time"
148 "X-Admin" "X-UID" "Resent-[-A-Za-z]+" "X-Mailing-List"
149 "Precedence" "Original-[-A-Za-z]+" "X-filename" "X-Orcpt"
150 "Old-Received" "X-Pgp" "X-Auth" "X-From-Line"
151 "X-Gnus-Article-Number" "X-Majordomo" "X-Url" "X-Sender"
152 "MBOX-Line" "Priority" "X400-[-A-Za-z]+"
153 "Status" "X-Gnus-Mail-Source" "Cancel-Lock"
154 "X-FTN" "X-EXP32-SerialNo" "Encoding" "Importance"
155 "Autoforwarded" "Original-Encoded-Information-Types" "X-Ya-Pop3"
156 "X-Face-Version" "X-Vms-To" "X-ML-NAME" "X-ML-COUNT"
157 "Mailing-List" "X-finfo" "X-md5sum" "X-md5sum-Origin"
158 "X-Sun-Charset" "X-Accept-Language" "X-Envelope-Sender"
159 "List-[A-Za-z]+" "X-Listprocessor-Version"
160 "X-Received" "X-Distribute" "X-Sequence" "X-Juno-Line-Breaks"
161 "X-Notes-Item" "X-MS-TNEF-Correlator" "x-uunet-gateway"
162 "X-Received" "Content-length" "X-precedence"
163 "X-Authenticated-User" "X-Comment" "X-Report" "X-Abuse-Info"
164 "X-HTTP-Proxy" "X-Mydeja-Info" "X-Copyright" "X-No-Markup"
165 "X-Abuse-Info" "X-From_" "X-Accept-Language" "Errors-To"
166 "X-BeenThere" "X-Mailman-Version" "List-Help" "List-Post"
167 "List-Subscribe" "List-Id" "List-Unsubscribe" "List-Archive"
168 "X-Content-length" "X-Posting-Agent" "Original-Received"
169 "X-Request-PGP" "X-Fingerprint" "X-WRIEnvto" "X-WRIEnvfrom"
170 "X-Virus-Scanned" "X-Delivery-Agent" "Posted-Date" "X-Gateway"
171 "X-Local-Origin" "X-Local-Destination" "X-UserInfo1"
172 "X-Received-Date" "X-Hashcash" "Face" "X-DMCA-Notifications"
173 "X-Abuse-and-DMCA-Info" "X-Postfilter" "X-Gpg-.*" "X-Disclaimer"))
174 "*All headers that start with this regexp will be hidden.
175 This variable can also be a list of regexps of headers to be ignored.
176 If `gnus-visible-headers' is non-nil, this variable will be ignored."
177 :type '(choice :custom-show nil
180 :group 'gnus-article-hiding)
182 (defcustom gnus-visible-headers
183 "^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:"
184 "*All headers that do not match this regexp will be hidden.
185 This variable can also be a list of regexp of headers to remain visible.
186 If this variable is non-nil, `gnus-ignored-headers' will be ignored."
187 :type '(repeat :value-to-internal (lambda (widget value)
188 (custom-split-regexp-maybe value))
189 :match (lambda (widget value)
191 (widget-editable-list-match widget value)))
193 :group 'gnus-article-hiding)
195 (defcustom gnus-sorted-header-list
196 '("^From:" "^Subject:" "^Summary:" "^Keywords:" "^Newsgroups:"
197 "^Followup-To:" "^To:" "^Cc:" "^Date:" "^Organization:")
198 "*This variable is a list of regular expressions.
199 If it is non-nil, headers that match the regular expressions will
200 be placed first in the article buffer in the sequence specified by
202 :type '(repeat regexp)
203 :group 'gnus-article-hiding)
205 (defcustom gnus-boring-article-headers '(empty followup-to reply-to)
206 "Headers that are only to be displayed if they have interesting data.
207 Possible values in this list are:
209 'empty Headers with no content.
210 'newsgroups Newsgroup identical to Gnus group.
211 'to-address To identical to To-address.
212 'to-list To identical to To-list.
213 'cc-list CC identical to To-list.
214 'followup-to Followup-to identical to Newsgroups.
215 'reply-to Reply-to identical to From.
216 'date Date less than four days old.
217 'long-to To and/or Cc longer than 1024 characters.
218 'many-to Multiple To and/or Cc."
219 :type '(set (const :tag "Headers with no content." empty)
220 (const :tag "Newsgroups identical to Gnus group." newsgroups)
221 (const :tag "To identical to To-address." to-address)
222 (const :tag "To identical to To-list." to-list)
223 (const :tag "CC identical to To-list." cc-list)
224 (const :tag "Followup-to identical to Newsgroups." followup-to)
225 (const :tag "Reply-to identical to From." reply-to)
226 (const :tag "Date less than four days old." date)
227 (const :tag "To and/or Cc longer than 1024 characters." long-to)
228 (const :tag "Multiple To and/or Cc headers." many-to))
229 :group 'gnus-article-hiding)
231 (defcustom gnus-article-skip-boring nil
232 "Skip over text that is not worth reading.
233 By default, if you set this t, then Gnus will display citations and
234 signatures, but will never scroll down to show you a page consisting
235 only of boring text. Boring text is controlled by
236 `gnus-article-boring-faces'."
239 :group 'gnus-article-hiding)
241 (defcustom gnus-signature-separator '("^-- $" "^-- *$")
242 "Regexp matching signature separator.
243 This can also be a list of regexps. In that case, it will be checked
244 from head to tail looking for a separator. Searches will be done from
245 the end of the buffer."
246 :type '(choice :format "%{%t%}: %[Value Menu%]\n%v"
248 (repeat :tag "List of regexp" regexp))
249 :group 'gnus-article-signature)
251 (defcustom gnus-signature-limit nil
252 "Provide a limit to what is considered a signature.
253 If it is a number, no signature may not be longer (in characters) than
254 that number. If it is a floating point number, no signature may be
255 longer (in lines) than that number. If it is a function, the function
256 will be called without any parameters, and if it returns nil, there is
257 no signature in the buffer. If it is a string, it will be used as a
258 regexp. If it matches, the text in question is not a signature.
260 This can also be a list of the above values."
261 :type '(choice (const nil)
264 (function :value fun)
265 (regexp :value ".*"))
266 :group 'gnus-article-signature)
268 (defcustom gnus-hidden-properties '(invisible t intangible t)
269 "Property list to use for hiding text."
271 :group 'gnus-article-hiding)
273 ;; Fixme: This isn't the right thing for mixed graphical and non-graphical
274 ;; frames in a session.
275 (defcustom gnus-article-x-face-command
280 (if (or (gnus-image-type-available-p 'xface)
281 (gnus-image-type-available-p 'pbm))
282 'gnus-display-x-face-in-from
283 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | ee -"))
284 ((gnus-image-type-available-p 'pbm)
285 'gnus-display-x-face-in-from)
287 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | \
289 "*String or function to be executed to display an X-Face header.
290 If it is a string, the command will be executed in a sub-shell
291 asynchronously. The compressed face will be piped to this command."
293 :format "%{%t%}:\n%[Value Menu%] %v"
297 (if (or (gnus-image-type-available-p 'xface)
298 (gnus-image-type-available-p 'pbm))
299 '(function-item gnus-display-x-face-in-from))
303 :group 'gnus-article-washing)
305 (defcustom gnus-article-x-face-too-ugly nil
306 "Regexp matching posters whose face shouldn't be shown automatically."
307 :type '(choice regexp (const nil))
308 :group 'gnus-article-washing)
310 (defcustom gnus-article-banner-alist nil
311 "Banner alist for stripping.
313 ((egroups . \"^[ \\t\\n]*-------------------+\\\\( \\\\(e\\\\|Yahoo! \\\\)Groups Sponsor -+\\\\)?....\\n\\\\(.+\\n\\\\)+\"))"
315 :type '(repeat (cons symbol regexp))
316 :group 'gnus-article-washing)
318 (gnus-define-group-parameter
321 "Alist of regexps (to match group names) and banner."
322 :variable-group gnus-article-washing
324 '(choice :tag "Banner"
326 (const :tag "Remove signature" signature)
327 (symbol :tag "Item in `gnus-article-banner-alist'" none)
329 (const :tag "None" nil))
331 "If non-nil, specify how to remove `banners' from articles.
333 Symbol `signature' means to remove signatures delimited by
334 `gnus-signature-separator'. Any other symbol is used to look up a
335 regular expression to match the banner in `gnus-article-banner-alist'.
336 A string is used as a regular expression to match the banner
339 (defcustom gnus-article-address-banner-alist nil
340 "Alist of mail addresses and banners.
341 Each element has the form (ADDRESS . BANNER), where ADDRESS is a regexp
342 to match a mail address in the From: header, BANNER is one of a symbol
343 `signature', an item in `gnus-article-banner-alist', a regexp and nil.
344 If ADDRESS matches author's mail address, it will remove things like
345 advertisements. For example:
347 \((\"@yoo-hoo\\\\.co\\\\.jp\\\\'\" . \"\\n_+\\nDo You Yoo-hoo!\\\\?\\n.*\\n.*\\n\"))
351 (regexp :tag "Address")
352 (choice :tag "Banner" :value nil
353 (const :tag "Remove signature" signature)
354 (symbol :tag "Item in `gnus-article-banner-alist'" none)
356 (const :tag "None" nil))))
358 :group 'gnus-article-washing)
360 (defmacro gnus-emphasis-custom-with-format (&rest body)
362 \\(\\s-\\|^\\|\\=\\|[-\"]\\|\\s(\\)\\(%s\\(\\w+\\(\\s-+\\w+\\)*[.,]?\\)%s\\)\
363 \\(\\([-,.;:!?\"]\\|\\s)\\)+\\s-\\|[?!.]\\s-\\|\\s)\\|\\s-\\)"))
366 (defun gnus-emphasis-custom-value-to-external (value)
367 (gnus-emphasis-custom-with-format
368 (if (consp (car value))
369 (list (format format (car (car value)) (cdr (car value)))
371 (if (nth 1 value) 2 3)
375 (defun gnus-emphasis-custom-value-to-internal (value)
376 (gnus-emphasis-custom-with-format
377 (let ((regexp (concat "\\`"
378 (format (regexp-quote format)
379 "\\([^()]+\\)" "\\([^()]+\\)")
382 (if (string-match regexp (setq pattern (car value)))
383 (list (cons (match-string 1 pattern) (match-string 2 pattern))
388 (defcustom gnus-emphasis-alist
390 '(("\\*" "\\*" bold nil 2)
393 ("_/" "/_" underline-italic)
394 ("_\\*" "\\*_" underline-bold)
395 ("\\*/" "/\\*" bold-italic)
396 ("_\\*/" "/\\*_" underline-bold-italic))))
398 (gnus-emphasis-custom-with-format
399 (mapcar (lambda (spec)
400 (list (format format (car spec) (cadr spec))
403 (intern (format "gnus-emphasis-%s" (nth 2 spec)))))
405 '(;; I've never seen anyone use this strikethru convention whereas I've
406 ;; several times seen it triggered by normal text. --Stef
407 ;; Miles suggests that this form is sometimes used but for italics,
408 ;; so maybe we should map it to `italic'.
409 ;; ("\\(\\s-\\|^\\)\\(-\\(\\(\\w\\|-[^-]\\)+\\)-\\)\\(\\s-\\|[?!.,;]\\)"
410 ;; 2 3 gnus-emphasis-strikethru)
411 ("\\(\\s-\\|^\\)\\(_\\(\\(\\w\\|_[^_]\\)+\\)_\\)\\(\\s-\\|[?!.,;]\\)"
412 2 3 gnus-emphasis-underline))))
413 "*Alist that says how to fontify certain phrases.
414 Each item looks like this:
416 (\"_\\\\(\\\\w+\\\\)_\" 0 1 'underline)
418 The first element is a regular expression to be matched. The second
419 is a number that says what regular expression grouping used to find
420 the entire emphasized word. The third is a number that says what
421 regexp grouping should be displayed and highlighted. The fourth
422 is the face used for highlighting."
426 :format "%[Customizing Style%]\n%v"
428 (group :tag "Default"
429 :value ("" 0 0 default)
432 (let ((value (widget-get
433 (cadr (widget-get (widget-get widget :parent)
436 (if (not (eq (nth 2 value) 'default))
440 (gnus-emphasis-custom-value-to-external value))))
441 (widget-group-value-create widget))
443 (integer :format "Match group: %v")
444 (integer :format "Emphasize group: %v")
447 :value (("_" . "_") nil default)
449 (regexp :format "Start regexp: %v")
450 (regexp :format "End regexp: %v"))
451 (boolean :format "Show start and end patterns: %[%v%]\n"
452 :on " On " :off " Off ")
454 :get (lambda (symbol)
455 (mapcar 'gnus-emphasis-custom-value-to-internal
456 (default-value symbol)))
457 :set (lambda (symbol value)
458 (set-default symbol (mapcar 'gnus-emphasis-custom-value-to-external
460 :group 'gnus-article-emphasis)
462 (defcustom gnus-emphasize-whitespace-regexp "^[ \t]+\\|[ \t]*\n"
463 "A regexp to describe whitespace which should not be emphasized.
464 Typical values are \"^[ \\t]+\\\\|[ \\t]*\\n\" and \"[ \\t]+\\\\|[ \\t]*\\n\".
465 The former avoids underlining of leading and trailing whitespace,
466 and the latter avoids underlining any whitespace at all."
468 :group 'gnus-article-emphasis
471 (defface gnus-emphasis-bold '((t (:bold t)))
472 "Face used for displaying strong emphasized text (*word*)."
473 :group 'gnus-article-emphasis)
475 (defface gnus-emphasis-italic '((t (:italic t)))
476 "Face used for displaying italic emphasized text (/word/)."
477 :group 'gnus-article-emphasis)
479 (defface gnus-emphasis-underline '((t (:underline t)))
480 "Face used for displaying underlined emphasized text (_word_)."
481 :group 'gnus-article-emphasis)
483 (defface gnus-emphasis-underline-bold '((t (:bold t :underline t)))
484 "Face used for displaying underlined bold emphasized text (_*word*_)."
485 :group 'gnus-article-emphasis)
487 (defface gnus-emphasis-underline-italic '((t (:italic t :underline t)))
488 "Face used for displaying underlined italic emphasized text (_/word/_)."
489 :group 'gnus-article-emphasis)
491 (defface gnus-emphasis-bold-italic '((t (:bold t :italic t)))
492 "Face used for displaying bold italic emphasized text (/*word*/)."
493 :group 'gnus-article-emphasis)
495 (defface gnus-emphasis-underline-bold-italic
496 '((t (:bold t :italic t :underline t)))
497 "Face used for displaying underlined bold italic emphasized text.
498 Example: (_/*word*/_)."
499 :group 'gnus-article-emphasis)
501 (defface gnus-emphasis-strikethru (if (featurep 'xemacs)
502 '((t (:strikethru t)))
503 '((t (:strike-through t))))
504 "Face used for displaying strike-through text (-word-)."
505 :group 'gnus-article-emphasis)
507 (defface gnus-emphasis-highlight-words
508 '((t (:background "black" :foreground "yellow")))
509 "Face used for displaying highlighted words."
510 :group 'gnus-article-emphasis)
512 (defcustom gnus-article-time-format "%a, %d %b %Y %T %Z"
513 "Format for display of Date headers in article bodies.
514 See `format-time-string' for the possible values.
516 The variable can also be function, which should return a complete Date
517 header. The function is called with one argument, the time, which can
518 be fed to `format-time-string'."
519 :type '(choice string function)
520 :link '(custom-manual "(gnus)Article Date")
521 :group 'gnus-article-washing)
523 (defcustom gnus-save-all-headers t
524 "*If non-nil, don't remove any headers before saving."
525 :group 'gnus-article-saving
528 (defcustom gnus-prompt-before-saving 'always
529 "*This variable says how much prompting is to be done when saving articles.
530 If it is nil, no prompting will be done, and the articles will be
531 saved to the default files. If this variable is `always', each and
532 every article that is saved will be preceded by a prompt, even when
533 saving large batches of articles. If this variable is neither nil not
534 `always', there the user will be prompted once for a file name for
535 each invocation of the saving commands."
536 :group 'gnus-article-saving
537 :type '(choice (item always)
538 (item :tag "never" nil)
539 (sexp :tag "once" :format "%t\n" :value t)))
541 (defcustom gnus-saved-headers gnus-visible-headers
542 "Headers to keep if `gnus-save-all-headers' is nil.
543 If `gnus-save-all-headers' is non-nil, this variable will be ignored.
544 If that variable is nil, however, all headers that match this regexp
545 will be kept while the rest will be deleted before saving."
546 :group 'gnus-article-saving
549 (defcustom gnus-default-article-saver 'gnus-summary-save-in-rmail
550 "A function to save articles in your favourite format.
551 The function must be interactively callable (in other words, it must
552 be an Emacs command).
554 Gnus provides the following functions:
556 * gnus-summary-save-in-rmail (Rmail format)
557 * gnus-summary-save-in-mail (Unix mail format)
558 * gnus-summary-save-in-folder (MH folder)
559 * gnus-summary-save-in-file (article format)
560 * gnus-summary-save-body-in-file (article body)
561 * gnus-summary-save-in-vm (use VM's folder format)
562 * gnus-summary-write-to-file (article format -- overwrite)."
563 :group 'gnus-article-saving
564 :type '(radio (function-item gnus-summary-save-in-rmail)
565 (function-item gnus-summary-save-in-mail)
566 (function-item gnus-summary-save-in-folder)
567 (function-item gnus-summary-save-in-file)
568 (function-item gnus-summary-save-body-in-file)
569 (function-item gnus-summary-save-in-vm)
570 (function-item gnus-summary-write-to-file)))
572 (defcustom gnus-rmail-save-name 'gnus-plain-save-name
573 "A function generating a file name to save articles in Rmail format.
574 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
575 :group 'gnus-article-saving
578 (defcustom gnus-mail-save-name 'gnus-plain-save-name
579 "A function generating a file name to save articles in Unix mail format.
580 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
581 :group 'gnus-article-saving
584 (defcustom gnus-folder-save-name 'gnus-folder-save-name
585 "A function generating a file name to save articles in MH folder.
586 The function is called with NEWSGROUP, HEADERS, and optional LAST-FOLDER."
587 :group 'gnus-article-saving
590 (defcustom gnus-file-save-name 'gnus-numeric-save-name
591 "A function generating a file name to save articles in article format.
592 The function is called with NEWSGROUP, HEADERS, and optional
594 :group 'gnus-article-saving
597 (defcustom gnus-split-methods
598 '((gnus-article-archive-name)
599 (gnus-article-nndoc-name))
600 "*Variable used to suggest where articles are to be saved.
601 For instance, if you would like to save articles related to Gnus in
602 the file \"gnus-stuff\", and articles related to VM in \"vm-stuff\",
603 you could set this variable to something like:
605 '((\"^Subject:.*gnus\\|^Newsgroups:.*gnus\" \"gnus-stuff\")
606 (\"^Subject:.*vm\\|^Xref:.*vm\" \"vm-stuff\"))
608 This variable is an alist where the key is the match and the
609 value is a list of possible files to save in if the match is
612 If the match is a string, it is used as a regexp match on the
613 article. If the match is a symbol, that symbol will be funcalled
614 from the buffer of the article to be saved with the newsgroup as
615 the parameter. If it is a list, it will be evaled in the same
618 If this form or function returns a string, this string will be
619 used as a possible file name; and if it returns a non-nil list,
620 that list will be used as possible file names."
621 :group 'gnus-article-saving
622 :type '(repeat (choice (list :value (fun) function)
623 (cons :value ("" "") regexp (repeat string))
626 (defcustom gnus-article-display-method-for-mime
627 'gnus-article-display-mime-message
628 "Function to display a MIME message.
629 The function is called from the article buffer."
630 :group 'gnus-article-mime
633 (defcustom gnus-article-display-method-for-traditional
634 'gnus-article-display-traditional-message
635 "*Function to display a traditional message.
636 The function is called from the article buffer."
637 :group 'gnus-article-mime
640 (defcustom gnus-page-delimiter "^\^L"
641 "*Regexp describing what to use as article page delimiters.
642 The default value is \"^\^L\", which is a form linefeed at the
643 beginning of a line."
645 :group 'gnus-article-various)
647 (defcustom gnus-article-mode-line-format "Gnus: %g [%w] %S%m"
648 "*The format specification for the article mode line.
649 See `gnus-summary-mode-line-format' for a closer description.
651 The following additional specs are available:
653 %w The article washing status.
654 %m The number of MIME parts in the article."
656 :group 'gnus-article-various)
658 (defcustom gnus-article-mode-hook nil
659 "*A hook for Gnus article mode."
661 :group 'gnus-article-various)
663 (when (featurep 'xemacs)
664 ;; Extracted from gnus-xmas-define in order to preserve user settings
665 (when (fboundp 'turn-off-scroll-in-place)
666 (add-hook 'gnus-article-mode-hook 'turn-off-scroll-in-place))
667 ;; Extracted from gnus-xmas-redefine in order to preserve user settings
668 (add-hook 'gnus-article-mode-hook 'gnus-xmas-article-menu-add))
670 (defcustom gnus-article-menu-hook nil
671 "*Hook run after the creation of the article mode menu."
673 :group 'gnus-article-various)
675 (defcustom gnus-article-prepare-hook nil
676 "*A hook called after an article has been prepared in the article buffer."
678 :group 'gnus-article-various)
680 (defcustom gnus-copy-article-ignored-headers nil
681 "List of headers to be removed when copying an article.
682 Each element is a regular expression."
683 :version "23.0" ;; No Gnus
684 :type '(repeat regexp)
685 :group 'gnus-article-various)
687 (make-obsolete-variable 'gnus-article-hide-pgp-hook
688 "This variable is obsolete in Gnus 5.10.")
690 (defcustom gnus-article-button-face 'bold
691 "Face used for highlighting buttons in the article buffer.
693 An article button is a piece of text that you can activate by pressing
694 `RET' or `mouse-2' above it."
696 :group 'gnus-article-buttons)
698 (defcustom gnus-article-mouse-face 'highlight
699 "Face used for mouse highlighting in the article buffer.
701 Article buttons will be displayed in this face when the cursor is
704 :group 'gnus-article-buttons)
706 (defcustom gnus-signature-face 'gnus-signature
707 "Face used for highlighting a signature in the article buffer.
708 Obsolete; use the face `gnus-signature' for customizations instead."
710 :group 'gnus-article-highlight
711 :group 'gnus-article-signature)
713 (defface gnus-signature
716 "Face used for highlighting a signature in the article buffer."
717 :group 'gnus-article-highlight
718 :group 'gnus-article-signature)
719 ;; backward-compatibility alias
720 (put 'gnus-signature-face 'face-alias 'gnus-signature)
722 (defface gnus-header-from
725 (:foreground "spring green"))
728 (:foreground "red3"))
731 "Face used for displaying from headers."
732 :group 'gnus-article-headers
733 :group 'gnus-article-highlight)
734 ;; backward-compatibility alias
735 (put 'gnus-header-from-face 'face-alias 'gnus-header-from)
737 (defface gnus-header-subject
740 (:foreground "SeaGreen3"))
743 (:foreground "red4"))
745 (:bold t :italic t)))
746 "Face used for displaying subject headers."
747 :group 'gnus-article-headers
748 :group 'gnus-article-highlight)
749 ;; backward-compatibility alias
750 (put 'gnus-header-subject-face 'face-alias 'gnus-header-subject)
752 (defface gnus-header-newsgroups
755 (:foreground "yellow" :italic t))
758 (:foreground "MidnightBlue" :italic t))
761 "Face used for displaying newsgroups headers.
762 In the default setup this face is only used for crossposted
764 :group 'gnus-article-headers
765 :group 'gnus-article-highlight)
766 ;; backward-compatibility alias
767 (put 'gnus-header-newsgroups-face 'face-alias 'gnus-header-newsgroups)
769 (defface gnus-header-name
772 (:foreground "SeaGreen"))
775 (:foreground "maroon"))
778 "Face used for displaying header names."
779 :group 'gnus-article-headers
780 :group 'gnus-article-highlight)
781 ;; backward-compatibility alias
782 (put 'gnus-header-name-face 'face-alias 'gnus-header-name)
784 (defface gnus-header-content
787 (:foreground "forest green" :italic t))
790 (:foreground "indianred4" :italic t))
793 "Face used for displaying header content."
794 :group 'gnus-article-headers
795 :group 'gnus-article-highlight)
796 ;; backward-compatibility alias
797 (put 'gnus-header-content-face 'face-alias 'gnus-header-content)
799 (defcustom gnus-header-face-alist
800 '(("From" nil gnus-header-from)
801 ("Subject" nil gnus-header-subject)
802 ("Newsgroups:.*," nil gnus-header-newsgroups)
803 ("" gnus-header-name gnus-header-content))
804 "*Controls highlighting of article headers.
806 An alist of the form (HEADER NAME CONTENT).
808 HEADER is a regular expression which should match the name of a
809 header and NAME and CONTENT are either face names or nil.
811 The name of each header field will be displayed using the face
812 specified by the first element in the list where HEADER matches
813 the header name and NAME is non-nil. Similarly, the content will
814 be displayed by the first non-nil matching CONTENT face."
815 :group 'gnus-article-headers
816 :group 'gnus-article-highlight
817 :type '(repeat (list (regexp :tag "Header")
819 (item :tag "skip" nil)
820 (face :value default))
821 (choice :tag "Content"
822 (item :tag "skip" nil)
823 (face :value default)))))
825 (defcustom gnus-article-decode-hook
826 '(article-decode-group-name article-decode-idna-rhs)
827 "*Hook run to decode charsets in articles."
828 :group 'gnus-article-headers
831 (defcustom gnus-display-mime-function 'gnus-display-mime
832 "Function to display MIME articles."
833 :group 'gnus-article-mime
836 (defvar gnus-decode-header-function 'mail-decode-encoded-word-region
837 "Function used to decode headers.")
839 (defvar gnus-article-dumbquotes-map
859 "Table for MS-to-Latin1 translation.")
861 (defcustom gnus-ignored-mime-types nil
862 "List of MIME types that should be ignored by Gnus."
864 :group 'gnus-article-mime
865 :type '(repeat regexp))
867 (defcustom gnus-unbuttonized-mime-types '(".*/.*")
868 "List of MIME types that should not be given buttons when rendered inline.
869 See also `gnus-buttonized-mime-types' which may override this variable.
870 This variable is only used when `gnus-inhibit-mime-unbuttonizing' is nil."
872 :group 'gnus-article-mime
873 :type '(repeat regexp))
875 (defcustom gnus-buttonized-mime-types nil
876 "List of MIME types that should be given buttons when rendered inline.
877 If set, this variable overrides `gnus-unbuttonized-mime-types'.
878 To see e.g. security buttons you could set this to
879 `(\"multipart/signed\")'. You could also add \"multipart/alternative\" to
880 this list to display radio buttons that allow you to choose one of two
881 media types those mails include. See also `mm-discouraged-alternatives'.
882 This variable is only used when `gnus-inhibit-mime-unbuttonizing' is nil."
884 :group 'gnus-article-mime
885 :type '(repeat regexp))
887 (defcustom gnus-inhibit-mime-unbuttonizing nil
888 "If non-nil, all MIME parts get buttons.
889 When nil (the default value), then some MIME parts do not get buttons,
890 as described by the variables `gnus-buttonized-mime-types' and
891 `gnus-unbuttonized-mime-types'."
893 :group 'gnus-article-mime
896 (defcustom gnus-body-boundary-delimiter "_"
897 "String used to delimit header and body.
898 This variable is used by `gnus-article-treat-body-boundary' which can
899 be controlled by `gnus-treat-body-boundary'."
901 :group 'gnus-article-various
902 :type '(choice (item :tag "None" :value nil)
905 (defcustom gnus-picon-databases '("/usr/lib/picon" "/usr/local/faces"
907 "Defines the location of the faces database.
908 For information on obtaining this database of pretty pictures, please
909 see http://www.cs.indiana.edu/picons/ftp/index.html"
911 :type '(repeat directory)
912 :link '(url-link :tag "download"
913 "http://www.cs.indiana.edu/picons/ftp/index.html")
914 :link '(custom-manual "(gnus)Picons")
917 (defun gnus-picons-installed-p ()
918 "Say whether picons are installed on your machine."
919 (let ((installed nil))
920 (dolist (database gnus-picon-databases)
921 (when (file-exists-p database)
925 (defcustom gnus-article-mime-part-function nil
926 "Function called with a MIME handle as the argument.
927 This is meant for people who want to do something automatic based
928 on parts -- for instance, adding Vcard info to a database."
929 :group 'gnus-article-mime
930 :type '(choice (const nil)
933 (defcustom gnus-mime-multipart-functions nil
934 "An alist of MIME types to functions to display them."
936 :group 'gnus-article-mime
937 :type '(repeat (cons :format "%v" (string :tag "MIME type") function)))
939 (defcustom gnus-article-date-lapsed-new-header nil
940 "Whether the X-Sent and Date headers can coexist.
941 When using `gnus-treat-date-lapsed', the \"X-Sent:\" header will
942 either replace the old \"Date:\" header (if this variable is nil), or
943 be added below it (otherwise)."
945 :group 'gnus-article-headers
948 (defcustom gnus-article-mime-match-handle-function 'undisplayed-alternative
949 "Function called with a MIME handle as the argument.
950 This is meant for people who want to view first matched part.
951 For `undisplayed-alternative' (default), the first undisplayed
952 part or alternative part is used. For `undisplayed', the first
953 undisplayed part is used. For a function, the first part which
954 the function return t is used. For nil, the first part is
957 :group 'gnus-article-mime
959 (item :tag "first" :value nil)
960 (item :tag "undisplayed" :value undisplayed)
961 (item :tag "undisplayed or alternative"
962 :value undisplayed-alternative)
965 (defcustom gnus-mime-action-alist
966 '(("save to file" . gnus-mime-save-part)
967 ("save and strip" . gnus-mime-save-part-and-strip)
968 ("replace with file" . gnus-mime-replace-part)
969 ("delete part" . gnus-mime-delete-part)
970 ("display as text" . gnus-mime-inline-part)
971 ("view the part" . gnus-mime-view-part)
972 ("pipe to command" . gnus-mime-pipe-part)
973 ("toggle display" . gnus-article-press-button)
974 ("toggle display" . gnus-article-view-part-as-charset)
975 ("view as type" . gnus-mime-view-part-as-type)
976 ("view internally" . gnus-mime-view-part-internally)
977 ("view externally" . gnus-mime-view-part-externally))
978 "An alist of actions that run on the MIME attachment."
979 :group 'gnus-article-mime
980 :type '(repeat (cons (string :tag "name")
983 (defcustom gnus-auto-select-part 1
984 "Advance to next MIME part when deleting or stripping parts.
986 When 0, point will be placed on the same part as before. When
987 positive (negative), move point forward (backwards) this many
988 parts. When nil, redisplay article."
989 :version "23.0" ;; No Gnus
990 :group 'gnus-article-mime
991 :type '(choice (const nil :tag "Redisplay article.")
992 (const 1 :tag "Next part.")
993 (const 0 :tag "Current part.")
997 ;;; The treatment variables
1000 (defvar gnus-part-display-hook nil
1001 "Hook called on parts that are to receive treatment.")
1003 (defvar gnus-article-treat-custom
1004 '(choice (const :tag "Off" nil)
1006 (const :tag "Header" head)
1007 (const :tag "First" first)
1008 (const :tag "Last" last)
1009 (const :tag "Mime" mime)
1010 (integer :tag "Less")
1011 (repeat :tag "Groups" regexp)
1012 (sexp :tag "Predicate")))
1014 (defvar gnus-article-treat-head-custom
1015 '(choice (const :tag "Off" nil)
1016 (const :tag "Header" head)))
1018 (defvar gnus-article-treat-types '("text/plain")
1021 (defvar gnus-inhibit-treatment nil
1022 "Whether to inhibit treatment.")
1024 (defcustom gnus-treat-highlight-signature '(or t (typep "text/x-vcard"))
1025 "Highlight the signature.
1026 Valid values are nil, t, `head', `first', `last', an integer or a
1027 predicate. See Info node `(gnus)Customizing Articles'."
1028 :group 'gnus-article-treat
1029 :link '(custom-manual "(gnus)Customizing Articles")
1030 :type gnus-article-treat-custom)
1031 (put 'gnus-treat-highlight-signature 'highlight t)
1033 (defcustom gnus-treat-buttonize 100000
1035 Valid values are nil, t, `head', `first', `last', an integer or a
1036 predicate. See Info node `(gnus)Customizing Articles'."
1037 :group 'gnus-article-treat
1038 :link '(custom-manual "(gnus)Customizing Articles")
1039 :type gnus-article-treat-custom)
1040 (put 'gnus-treat-buttonize 'highlight t)
1042 (defcustom gnus-treat-buttonize-head 'head
1043 "Add buttons to the head.
1044 Valid values are nil, t, `head', `first', `last', an integer or a
1045 predicate. See Info node `(gnus)Customizing Articles'."
1046 :group 'gnus-article-treat
1047 :link '(custom-manual "(gnus)Customizing Articles")
1048 :type gnus-article-treat-head-custom)
1049 (put 'gnus-treat-buttonize-head 'highlight t)
1051 (defcustom gnus-treat-emphasize
1052 (and (or window-system
1056 Valid values are nil, t, `head', `first', `last', an integer or a
1057 predicate. See Info node `(gnus)Customizing Articles'."
1058 :group 'gnus-article-treat
1059 :link '(custom-manual "(gnus)Customizing Articles")
1060 :type gnus-article-treat-custom)
1061 (put 'gnus-treat-emphasize 'highlight t)
1063 (defcustom gnus-treat-strip-cr nil
1064 "Remove carriage returns.
1065 Valid values are nil, t, `head', `first', `last', an integer or a
1066 predicate. See Info node `(gnus)Customizing Articles'."
1068 :group 'gnus-article-treat
1069 :link '(custom-manual "(gnus)Customizing Articles")
1070 :type gnus-article-treat-custom)
1072 (defcustom gnus-treat-unsplit-urls nil
1073 "Remove newlines from within URLs.
1074 Valid values are nil, t, `head', `first', `last', an integer or a
1075 predicate. See Info node `(gnus)Customizing Articles'."
1077 :group 'gnus-article-treat
1078 :link '(custom-manual "(gnus)Customizing Articles")
1079 :type gnus-article-treat-custom)
1081 (defcustom gnus-treat-leading-whitespace nil
1082 "Remove leading whitespace in headers.
1083 Valid values are nil, t, `head', `first', `last', an integer or a
1084 predicate. See Info node `(gnus)Customizing Articles'."
1086 :group 'gnus-article-treat
1087 :link '(custom-manual "(gnus)Customizing Articles")
1088 :type gnus-article-treat-custom)
1090 (defcustom gnus-treat-hide-headers 'head
1092 Valid values are nil, t, `head', `first', `last', an integer or a
1093 predicate. See Info node `(gnus)Customizing Articles'."
1094 :group 'gnus-article-treat
1095 :link '(custom-manual "(gnus)Customizing Articles")
1096 :type gnus-article-treat-head-custom)
1098 (defcustom gnus-treat-hide-boring-headers nil
1099 "Hide boring headers.
1100 Valid values are nil, t, `head', `first', `last', an integer or a
1101 predicate. See Info node `(gnus)Customizing Articles'."
1102 :group 'gnus-article-treat
1103 :link '(custom-manual "(gnus)Customizing Articles")
1104 :type gnus-article-treat-head-custom)
1106 (defcustom gnus-treat-hide-signature nil
1107 "Hide the signature.
1108 Valid values are nil, t, `head', `first', `last', an integer or a
1109 predicate. See Info node `(gnus)Customizing Articles'."
1110 :group 'gnus-article-treat
1111 :link '(custom-manual "(gnus)Customizing Articles")
1112 :type gnus-article-treat-custom)
1114 (defcustom gnus-treat-fill-article nil
1116 Valid values are nil, t, `head', `first', `last', an integer or a
1117 predicate. See Info node `(gnus)Customizing Articles'."
1118 :group 'gnus-article-treat
1119 :link '(custom-manual "(gnus)Customizing Articles")
1120 :type gnus-article-treat-custom)
1122 (defcustom gnus-treat-hide-citation nil
1124 Valid values are nil, t, `head', `first', `last', an integer or a
1125 predicate. See Info node `(gnus)Customizing Articles'."
1126 :group 'gnus-article-treat
1127 :link '(custom-manual "(gnus)Customizing Articles")
1128 :type gnus-article-treat-custom)
1130 (defcustom gnus-treat-hide-citation-maybe nil
1132 Valid values are nil, t, `head', `first', `last', an integer or a
1133 predicate. See Info node `(gnus)Customizing Articles'."
1134 :group 'gnus-article-treat
1135 :link '(custom-manual "(gnus)Customizing Articles")
1136 :type gnus-article-treat-custom)
1138 (defcustom gnus-treat-strip-list-identifiers 'head
1139 "Strip list identifiers from `gnus-list-identifiers`.
1140 Valid values are nil, t, `head', `first', `last', an integer or a
1141 predicate. See Info node `(gnus)Customizing Articles'."
1143 :group 'gnus-article-treat
1144 :link '(custom-manual "(gnus)Customizing Articles")
1145 :type gnus-article-treat-custom)
1147 (make-obsolete-variable 'gnus-treat-strip-pgp
1148 "This option is obsolete in Gnus 5.10.")
1150 (defcustom gnus-treat-strip-pem nil
1151 "Strip PEM signatures.
1152 Valid values are nil, t, `head', `first', `last', an integer or a
1153 predicate. See Info node `(gnus)Customizing Articles'."
1154 :group 'gnus-article-treat
1155 :link '(custom-manual "(gnus)Customizing Articles")
1156 :type gnus-article-treat-custom)
1158 (defcustom gnus-treat-strip-banner t
1159 "Strip banners from articles.
1160 The banner to be stripped is specified in the `banner' group parameter.
1161 Valid values are nil, t, `head', `first', `last', an integer or a
1162 predicate. See Info node `(gnus)Customizing Articles'."
1163 :group 'gnus-article-treat
1164 :link '(custom-manual "(gnus)Customizing Articles")
1165 :type gnus-article-treat-custom)
1167 (defcustom gnus-treat-highlight-headers 'head
1168 "Highlight the headers.
1169 Valid values are nil, t, `head', `first', `last', an integer or a
1170 predicate. See Info node `(gnus)Customizing Articles'."
1171 :group 'gnus-article-treat
1172 :link '(custom-manual "(gnus)Customizing Articles")
1173 :type gnus-article-treat-head-custom)
1174 (put 'gnus-treat-highlight-headers 'highlight t)
1176 (defcustom gnus-treat-highlight-citation t
1177 "Highlight cited text.
1178 Valid values are nil, t, `head', `first', `last', an integer or a
1179 predicate. See Info node `(gnus)Customizing Articles'."
1180 :group 'gnus-article-treat
1181 :link '(custom-manual "(gnus)Customizing Articles")
1182 :type gnus-article-treat-custom)
1183 (put 'gnus-treat-highlight-citation 'highlight t)
1185 (defcustom gnus-treat-date-ut nil
1186 "Display the Date in UT (GMT).
1187 Valid values are nil, t, `head', `first', `last', an integer or a
1188 predicate. See Info node `(gnus)Customizing Articles'."
1189 :group 'gnus-article-treat
1190 :link '(custom-manual "(gnus)Customizing Articles")
1191 :type gnus-article-treat-head-custom)
1193 (defcustom gnus-treat-date-local nil
1194 "Display the Date in the local timezone.
1195 Valid values are nil, t, `head', `first', `last', an integer or a
1196 predicate. See Info node `(gnus)Customizing Articles'."
1197 :group 'gnus-article-treat
1198 :link '(custom-manual "(gnus)Customizing Articles")
1199 :type gnus-article-treat-head-custom)
1201 (defcustom gnus-treat-date-english nil
1202 "Display the Date in a format that can be read aloud in English.
1203 Valid values are nil, t, `head', `first', `last', an integer or a
1204 predicate. See Info node `(gnus)Customizing Articles'."
1206 :group 'gnus-article-treat
1207 :link '(custom-manual "(gnus)Customizing Articles")
1208 :type gnus-article-treat-head-custom)
1210 (defcustom gnus-treat-date-lapsed nil
1211 "Display the Date header in a way that says how much time has elapsed.
1212 Valid values are nil, t, `head', `first', `last', an integer or a
1213 predicate. See Info node `(gnus)Customizing Articles'."
1214 :group 'gnus-article-treat
1215 :link '(custom-manual "(gnus)Customizing Articles")
1216 :type gnus-article-treat-head-custom)
1218 (defcustom gnus-treat-date-original nil
1219 "Display the date in the original timezone.
1220 Valid values are nil, t, `head', `first', `last', an integer or a
1221 predicate. See Info node `(gnus)Customizing Articles'."
1222 :group 'gnus-article-treat
1223 :link '(custom-manual "(gnus)Customizing Articles")
1224 :type gnus-article-treat-head-custom)
1226 (defcustom gnus-treat-date-iso8601 nil
1227 "Display the date in the ISO8601 format.
1228 Valid values are nil, t, `head', `first', `last', an integer or a
1229 predicate. See Info node `(gnus)Customizing Articles'."
1231 :group 'gnus-article-treat
1232 :link '(custom-manual "(gnus)Customizing Articles")
1233 :type gnus-article-treat-head-custom)
1235 (defcustom gnus-treat-date-user-defined nil
1236 "Display the date in a user-defined format.
1237 The format is defined by the `gnus-article-time-format' variable.
1238 Valid values are nil, t, `head', `first', `last', an integer or a
1239 predicate. See Info node `(gnus)Customizing Articles'."
1240 :group 'gnus-article-treat
1241 :link '(custom-manual "(gnus)Customizing Articles")
1242 :type gnus-article-treat-head-custom)
1244 (defcustom gnus-treat-strip-headers-in-body t
1245 "Strip the X-No-Archive header line from the beginning of the body.
1246 Valid values are nil, t, `head', `first', `last', an integer or a
1247 predicate. See Info node `(gnus)Customizing Articles'."
1249 :group 'gnus-article-treat
1250 :link '(custom-manual "(gnus)Customizing Articles")
1251 :type gnus-article-treat-custom)
1253 (defcustom gnus-treat-strip-trailing-blank-lines nil
1254 "Strip trailing blank lines.
1255 Valid values are nil, t, `head', `first', `last', an integer or a
1256 predicate. See Info node `(gnus)Customizing Articles'.
1258 When set to t, it also strips trailing blanks in all MIME parts.
1259 Consider to use `last' instead."
1260 :group 'gnus-article-treat
1261 :link '(custom-manual "(gnus)Customizing Articles")
1262 :type gnus-article-treat-custom)
1264 (defcustom gnus-treat-strip-leading-blank-lines nil
1265 "Strip leading blank lines.
1266 Valid values are nil, t, `head', `first', `last', an integer or a
1267 predicate. See Info node `(gnus)Customizing Articles'.
1269 When set to t, it also strips trailing blanks in all MIME parts."
1270 :group 'gnus-article-treat
1271 :link '(custom-manual "(gnus)Customizing Articles")
1272 :type gnus-article-treat-custom)
1274 (defcustom gnus-treat-strip-multiple-blank-lines nil
1275 "Strip multiple blank lines.
1276 Valid values are nil, t, `head', `first', `last', an integer or a
1277 predicate. See Info node `(gnus)Customizing Articles'."
1278 :group 'gnus-article-treat
1279 :link '(custom-manual "(gnus)Customizing Articles")
1280 :type gnus-article-treat-custom)
1282 (defcustom gnus-treat-unfold-headers 'head
1283 "Unfold folded header lines.
1284 Valid values are nil, t, `head', `first', `last', an integer or a
1285 predicate. See Info node `(gnus)Customizing Articles'."
1287 :group 'gnus-article-treat
1288 :link '(custom-manual "(gnus)Customizing Articles")
1289 :type gnus-article-treat-custom)
1291 (defcustom gnus-treat-fold-headers nil
1293 Valid values are nil, t, `head', `first', `last', an integer or a
1294 predicate. See Info node `(gnus)Customizing Articles'."
1296 :group 'gnus-article-treat
1297 :link '(custom-manual "(gnus)Customizing Articles")
1298 :type gnus-article-treat-custom)
1300 (defcustom gnus-treat-fold-newsgroups 'head
1301 "Fold the Newsgroups and Followup-To headers.
1302 Valid values are nil, t, `head', `first', `last', an integer or a
1303 predicate. See Info node `(gnus)Customizing Articles'."
1305 :group 'gnus-article-treat
1306 :link '(custom-manual "(gnus)Customizing Articles")
1307 :type gnus-article-treat-custom)
1309 (defcustom gnus-treat-overstrike t
1310 "Treat overstrike highlighting.
1311 Valid values are nil, t, `head', `first', `last', an integer or a
1312 predicate. See Info node `(gnus)Customizing Articles'."
1313 :group 'gnus-article-treat
1314 :link '(custom-manual "(gnus)Customizing Articles")
1315 :type gnus-article-treat-custom)
1316 (put 'gnus-treat-overstrike 'highlight t)
1318 (defcustom gnus-treat-ansi-sequences (if (locate-library "ansi-color") t)
1319 "Treat ANSI SGR control sequences.
1320 Valid values are nil, t, `head', `first', `last', an integer or a
1321 predicate. See Info node `(gnus)Customizing Articles'."
1322 :group 'gnus-article-treat
1323 :link '(custom-manual "(gnus)Customizing Articles")
1324 :type gnus-article-treat-custom)
1326 (make-obsolete-variable 'gnus-treat-display-xface
1327 'gnus-treat-display-x-face)
1329 (defcustom gnus-treat-display-x-face
1330 (and (not noninteractive)
1331 (or (and (fboundp 'image-type-available-p)
1332 (image-type-available-p 'xbm)
1333 (string-match "^0x" (shell-command-to-string "uncompface"))
1334 (executable-find "icontopbm"))
1335 (and (featurep 'xemacs)
1338 "Display X-Face headers.
1339 Valid values are nil, t, `head', `first', `last', an integer or a
1340 predicate. See Info node `(gnus)Customizing Articles' and Info
1341 node `(gnus)X-Face' for details."
1342 :group 'gnus-article-treat
1344 :link '(custom-manual "(gnus)Customizing Articles")
1345 :link '(custom-manual "(gnus)X-Face")
1346 :type gnus-article-treat-head-custom
1347 :set (lambda (symbol value)
1350 (cond ((or (boundp symbol) (get symbol 'saved-value))
1352 ((boundp 'gnus-treat-display-xface)
1354 ** gnus-treat-display-xface is an obsolete variable;\
1355 use gnus-treat-display-x-face instead")
1356 (default-value 'gnus-treat-display-xface))
1357 ((get 'gnus-treat-display-xface 'saved-value)
1359 ** gnus-treat-display-xface is an obsolete variable;\
1360 use gnus-treat-display-x-face instead")
1361 (eval (car (get 'gnus-treat-display-xface 'saved-value))))
1364 (put 'gnus-treat-display-x-face 'highlight t)
1366 (defcustom gnus-article-should-use-smiley-mule
1367 (not (or (featurep 'xemacs)
1368 (gnus-image-type-available-p 'xpm)
1369 (gnus-image-type-available-p 'pbm)))
1370 "Non-nil means use `smiley-mule' to show smileys rather than `smiley'.
1371 `smiley-mule' is boundled in BITMAP-MULE package. You can set it to t
1372 even if your Emacs supports images. It has no effect on XEmacs."
1373 :group 'gnus-article-various
1375 :get (lambda (symbol)
1376 (and (not noninteractive)
1377 (default-value symbol)
1378 (not (featurep 'xemacs))
1379 (module-installed-p 'smiley-mule)
1381 :set (lambda (symbol value)
1382 (set-default symbol (and (not noninteractive)
1384 (not (featurep 'xemacs))
1385 (module-installed-p 'smiley-mule)
1388 (defvar gnus-article-smiley-mule-loaded-p nil
1389 "Internal variable used to say whether `smiley-mule' is loaded (whether
1390 smiley functions are not overridden by `smiley').")
1392 (defcustom gnus-treat-display-face
1393 (and (not noninteractive)
1394 (or (and (fboundp 'image-type-available-p)
1395 (image-type-available-p 'png))
1396 (and (featurep 'xemacs)
1399 "Display Face headers.
1400 Valid values are nil, t, `head', `first', `last', an integer or a
1401 predicate. See Info node `(gnus)Customizing Articles' and Info
1402 node `(gnus)X-Face' for details."
1403 :group 'gnus-article-treat
1405 :link '(custom-manual "(gnus)Customizing Articles")
1406 :link '(custom-manual "(gnus)X-Face")
1407 :type gnus-article-treat-head-custom)
1408 (put 'gnus-treat-display-face 'highlight t)
1410 (defcustom gnus-treat-display-smileys
1411 (if (and (not noninteractive)
1412 (or (and (featurep 'xemacs)
1414 (gnus-image-type-available-p 'xpm)
1415 (gnus-image-type-available-p 'pbm)
1416 (and (not (featurep 'xemacs))
1418 (module-installed-p 'smiley-mule))))
1422 Valid values are nil, t, `head', `first', `last', an integer or a
1423 predicate. See Info node `(gnus)Customizing Articles' and Info
1424 node `(gnus)Smileys' for details."
1425 :group 'gnus-article-treat
1427 :link '(custom-manual "(gnus)Customizing Articles")
1428 :link '(custom-manual "(gnus)Smileys")
1429 :type gnus-article-treat-custom)
1430 (put 'gnus-treat-display-smileys 'highlight t)
1432 (defcustom gnus-treat-from-picon
1433 (if (and (gnus-image-type-available-p 'xpm)
1434 (gnus-picons-installed-p))
1436 "Display picons in the From header.
1437 Valid values are nil, t, `head', `first', `last', an integer or a
1438 predicate. See Info node `(gnus)Customizing Articles' and Info
1439 node `(gnus)Picons' for details."
1441 :group 'gnus-article-treat
1443 :link '(custom-manual "(gnus)Customizing Articles")
1444 :link '(custom-manual "(gnus)Picons")
1445 :type gnus-article-treat-head-custom)
1446 (put 'gnus-treat-from-picon 'highlight t)
1448 (defcustom gnus-treat-mail-picon
1449 (if (and (gnus-image-type-available-p 'xpm)
1450 (gnus-picons-installed-p))
1452 "Display picons in To and Cc headers.
1453 Valid values are nil, t, `head', `first', `last', an integer or a
1454 predicate. See Info node `(gnus)Customizing Articles' and Info
1455 node `(gnus)Picons' for details."
1457 :group 'gnus-article-treat
1459 :link '(custom-manual "(gnus)Customizing Articles")
1460 :link '(custom-manual "(gnus)Picons")
1461 :type gnus-article-treat-head-custom)
1462 (put 'gnus-treat-mail-picon 'highlight t)
1464 (defcustom gnus-treat-newsgroups-picon
1465 (if (and (gnus-image-type-available-p 'xpm)
1466 (gnus-picons-installed-p))
1468 "Display picons in the Newsgroups and Followup-To headers.
1469 Valid values are nil, t, `head', `first', `last', an integer or a
1470 predicate. See Info node `(gnus)Customizing Articles' and Info
1471 node `(gnus)Picons' for details."
1473 :group 'gnus-article-treat
1475 :link '(custom-manual "(gnus)Customizing Articles")
1476 :link '(custom-manual "(gnus)Picons")
1477 :type gnus-article-treat-head-custom)
1478 (put 'gnus-treat-newsgroups-picon 'highlight t)
1480 (defcustom gnus-treat-body-boundary
1481 (if (and (eq window-system 'x)
1482 (or gnus-treat-newsgroups-picon
1483 gnus-treat-mail-picon
1484 gnus-treat-from-picon))
1486 "Draw a boundary at the end of the headers.
1487 Valid values are nil and `head'.
1488 See Info node `(gnus)Customizing Articles' for details."
1490 :group 'gnus-article-treat
1491 :link '(custom-manual "(gnus)Customizing Articles")
1492 :type gnus-article-treat-head-custom)
1494 (defcustom gnus-treat-capitalize-sentences nil
1495 "Capitalize sentence-starting words.
1496 Valid values are nil, t, `head', `first', `last', an integer or a
1497 predicate. See Info node `(gnus)Customizing Articles'."
1499 :group 'gnus-article-treat
1500 :link '(custom-manual "(gnus)Customizing Articles")
1501 :type gnus-article-treat-custom)
1503 (defcustom gnus-treat-wash-html nil
1505 Valid values are nil, t, `head', `first', `last', an integer or a
1506 predicate. See Info node `(gnus)Customizing Articles'."
1508 :group 'gnus-article-treat
1509 :link '(custom-manual "(gnus)Customizing Articles")
1510 :type gnus-article-treat-custom)
1512 (defcustom gnus-treat-fill-long-lines nil
1514 Valid values are nil, t, `head', `first', `last', an integer or a
1515 predicate. See Info node `(gnus)Customizing Articles'."
1516 :group 'gnus-article-treat
1517 :link '(custom-manual "(gnus)Customizing Articles")
1518 :type gnus-article-treat-custom)
1520 (defcustom gnus-treat-play-sounds nil
1522 Valid values are nil, t, `head', `first', `last', an integer or a
1523 predicate. See Info node `(gnus)Customizing Articles'."
1525 :group 'gnus-article-treat
1526 :link '(custom-manual "(gnus)Customizing Articles")
1527 :type gnus-article-treat-custom)
1529 (defcustom gnus-treat-decode-article-as-default-mime-charset nil
1530 "Decode an article as `default-mime-charset'. For instance, if you want to
1531 attempt to decode an article even if the value of `gnus-show-mime' is nil,
1532 you could set this variable to something like: nil for don't decode, t for
1533 decode the body, '(or header t) for the whole article, etc."
1534 :group 'gnus-article-treat
1535 :type '(radio (const :tag "Off" nil)
1536 (const :tag "Decode body" t)
1537 (const :tag "Decode all" (or head t))))
1539 (defcustom gnus-treat-translate nil
1540 "Translate articles from one language to another.
1541 Valid values are nil, t, `head', `first', `last', an integer or a
1542 predicate. See Info node `(gnus)Customizing Articles'."
1544 :group 'gnus-article-treat
1545 :link '(custom-manual "(gnus)Customizing Articles")
1546 :type gnus-article-treat-custom)
1548 (defcustom gnus-treat-x-pgp-sig nil
1550 To automatically treat X-PGP-Sig, set it to head.
1551 Valid values are nil, t, `head', `first', `last', an integer or a
1552 predicate. See Info node `(gnus)Customizing Articles'."
1554 :group 'gnus-article-treat
1555 :group 'mime-security
1556 :type gnus-article-treat-custom)
1558 (defcustom gnus-treat-monafy nil
1559 "Display body part with mona font.
1560 Valid values are nil, t, `head', `last', an integer or a predicate.
1561 See Info node `(gnus)Customizing Articles' for details."
1562 :group 'gnus-article-treat
1563 :group 'mime-security
1564 :link '(custom-manual "(gnus)Customizing Articles")
1565 :type gnus-article-treat-custom)
1567 (defvar gnus-article-encrypt-protocol-alist
1568 '(("PGP" . mml2015-self-encrypt)))
1570 ;; Set to nil if more than one protocol added to
1571 ;; gnus-article-encrypt-protocol-alist.
1572 (defcustom gnus-article-encrypt-protocol "PGP"
1573 "The protocol used for encrypt articles.
1574 It is a string, such as \"PGP\". If nil, ask user."
1577 :group 'mime-security)
1579 (defvar gnus-article-wash-function nil
1580 "Function used for converting HTML into text.")
1582 (defcustom gnus-use-idna (and (condition-case nil (require 'idna) (file-error))
1583 (mm-coding-system-p 'utf-8)
1584 (executable-find idna-program))
1585 "Whether IDNA decoding of headers is used when viewing messages.
1586 This requires GNU Libidn, and by default only enabled if it is found."
1588 :group 'gnus-article-headers
1591 (defcustom gnus-article-over-scroll nil
1592 "If non-nil, allow scrolling the article buffer even when there no more text."
1594 :group 'gnus-article
1597 ;;; Internal variables
1599 (defvar gnus-english-month-names
1600 '("January" "February" "March" "April" "May" "June" "July" "August"
1601 "September" "October" "November" "December"))
1603 (defvar gnus-button-regexp nil)
1604 (defvar gnus-button-marker-list nil)
1605 ;; Regexp matching any of the regexps from `gnus-button-alist'.
1607 (defvar gnus-button-last nil)
1608 ;; The value of `gnus-button-alist' when `gnus-button-regexp' was build.
1610 (defvar article-goto-body-goes-to-point-min-p nil)
1611 (defvar gnus-article-wash-types nil)
1612 (defvar gnus-article-emphasis-alist nil)
1613 (defvar gnus-article-image-alist nil)
1615 (defvar gnus-article-mime-handle-alist-1 nil)
1616 (defvar gnus-treatment-function-alist
1617 '((gnus-treat-decode-article-as-default-mime-charset
1618 gnus-article-decode-article-as-default-mime-charset)
1619 (gnus-treat-x-pgp-sig gnus-article-verify-x-pgp-sig)
1620 (gnus-treat-monafy gnus-article-monafy)
1621 (gnus-treat-strip-banner gnus-article-strip-banner)
1622 (gnus-treat-strip-headers-in-body gnus-article-strip-headers-in-body)
1623 (gnus-treat-buttonize gnus-article-add-buttons)
1624 (gnus-treat-fill-article gnus-article-fill-cited-article)
1625 (gnus-treat-fill-long-lines gnus-article-fill-long-lines)
1626 (gnus-treat-strip-cr gnus-article-remove-cr)
1627 (gnus-treat-unsplit-urls gnus-article-unsplit-urls)
1628 (gnus-treat-date-ut gnus-article-date-ut)
1629 (gnus-treat-date-local gnus-article-date-local)
1630 (gnus-treat-date-english gnus-article-date-english)
1631 (gnus-treat-date-original gnus-article-date-original)
1632 (gnus-treat-date-user-defined gnus-article-date-user)
1633 (gnus-treat-date-iso8601 gnus-article-date-iso8601)
1634 (gnus-treat-date-lapsed gnus-article-date-lapsed)
1635 (gnus-treat-display-face gnus-article-display-face)
1636 (gnus-treat-hide-headers gnus-article-maybe-hide-headers)
1637 (gnus-treat-hide-boring-headers gnus-article-hide-boring-headers)
1638 (gnus-treat-hide-signature gnus-article-hide-signature)
1639 (gnus-treat-strip-list-identifiers gnus-article-hide-list-identifiers)
1640 (gnus-treat-leading-whitespace gnus-article-remove-leading-whitespace)
1641 (gnus-treat-strip-pem gnus-article-hide-pem)
1642 (gnus-treat-from-picon gnus-treat-from-picon)
1643 (gnus-treat-mail-picon gnus-treat-mail-picon)
1644 (gnus-treat-newsgroups-picon gnus-treat-newsgroups-picon)
1645 (gnus-treat-highlight-headers gnus-article-highlight-headers)
1646 (gnus-treat-highlight-signature gnus-article-highlight-signature)
1647 (gnus-treat-strip-trailing-blank-lines
1648 gnus-article-remove-trailing-blank-lines)
1649 (gnus-treat-strip-leading-blank-lines
1650 gnus-article-strip-leading-blank-lines)
1651 (gnus-treat-strip-multiple-blank-lines
1652 gnus-article-strip-multiple-blank-lines)
1653 (gnus-treat-overstrike gnus-article-treat-overstrike)
1654 (gnus-treat-ansi-sequences gnus-article-treat-ansi-sequences)
1655 (gnus-treat-unfold-headers gnus-article-treat-unfold-headers)
1656 (gnus-treat-fold-headers gnus-article-treat-fold-headers)
1657 ;; Displaying X-Face should be done after unfolding headers
1658 ;; to protect bitmap lines.
1659 (gnus-treat-display-x-face gnus-article-display-x-face)
1660 (gnus-treat-fold-newsgroups gnus-article-treat-fold-newsgroups)
1661 (gnus-treat-buttonize-head gnus-article-add-buttons-to-head)
1662 (gnus-treat-display-smileys gnus-treat-smiley)
1663 (gnus-treat-capitalize-sentences gnus-article-capitalize-sentences)
1664 (gnus-treat-wash-html gnus-article-wash-html)
1665 (gnus-treat-emphasize gnus-article-emphasize)
1666 (gnus-treat-hide-citation gnus-article-hide-citation)
1667 (gnus-treat-hide-citation-maybe gnus-article-hide-citation-maybe)
1668 (gnus-treat-highlight-citation gnus-article-highlight-citation)
1669 (gnus-treat-body-boundary gnus-article-treat-body-boundary)
1670 (gnus-treat-play-sounds gnus-earcon-display)))
1672 (defvar gnus-article-mime-handle-alist nil)
1673 (defvar article-lapsed-timer nil)
1674 (defvar gnus-article-current-summary nil)
1676 (defvar gnus-article-mode-syntax-table
1677 (let ((table (copy-syntax-table text-mode-syntax-table)))
1678 ;; This causes the citation match run O(2^n).
1679 ;; (modify-syntax-entry ?- "w" table)
1680 (modify-syntax-entry ?> ")<" table)
1681 (modify-syntax-entry ?< "(>" table)
1682 ;; make M-. in article buffers work for `foo' strings
1683 (modify-syntax-entry ?' " " table)
1684 (modify-syntax-entry ?` " " table)
1686 "Syntax table used in article mode buffers.
1687 Initialized from `text-mode-syntax-table.")
1689 (defvar gnus-save-article-buffer nil)
1691 (defvar gnus-article-mode-line-format-alist
1692 (nconc '((?w (gnus-article-wash-status) ?s)
1693 (?m (gnus-article-mime-part-status) ?s))
1694 gnus-summary-mode-line-format-alist))
1696 (defvar gnus-number-of-articles-to-be-saved nil)
1698 (defvar gnus-inhibit-hiding nil)
1700 (defvar gnus-article-edit-mode nil)
1702 ;;; Macros for dealing with the article buffer.
1704 (defmacro gnus-with-article-headers (&rest forms)
1706 (set-buffer gnus-article-buffer)
1708 (let ((inhibit-read-only t)
1709 (inhibit-point-motion-hooks t)
1710 (case-fold-search t))
1711 (article-narrow-to-head)
1714 (put 'gnus-with-article-headers 'lisp-indent-function 0)
1715 (put 'gnus-with-article-headers 'edebug-form-spec '(body))
1717 (defmacro gnus-with-article-buffer (&rest forms)
1719 (set-buffer gnus-article-buffer)
1720 (let ((inhibit-read-only t))
1723 (put 'gnus-with-article-buffer 'lisp-indent-function 0)
1724 (put 'gnus-with-article-buffer 'edebug-form-spec '(body))
1726 (defun gnus-article-goto-header (header)
1727 "Go to HEADER, which is a regular expression."
1728 (re-search-forward (concat "^\\(" header "\\):") nil t))
1730 (defsubst gnus-article-hide-text (b e props)
1731 "Set text PROPS on the B to E region, extending `intangible' 1 past B."
1732 (gnus-add-text-properties-when 'article-type nil b e props)
1733 (when (memq 'intangible props)
1735 (max (1- b) (point-min))
1736 b 'intangible (cddr (memq 'intangible props)))))
1738 (defsubst gnus-article-unhide-text (b e)
1739 "Remove hidden text properties from region between B and E."
1740 (remove-text-properties b e gnus-hidden-properties)
1741 (when (memq 'intangible gnus-hidden-properties)
1742 (put-text-property (max (1- b) (point-min))
1743 b 'intangible nil)))
1745 (defun gnus-article-hide-text-type (b e type)
1746 "Hide text of TYPE between B and E."
1747 (gnus-add-wash-type type)
1748 (gnus-article-hide-text
1749 b e (cons 'article-type (cons type gnus-hidden-properties))))
1751 (defun gnus-article-unhide-text-type (b e type)
1752 "Unhide text of TYPE between B and E."
1753 (gnus-delete-wash-type type)
1754 (remove-text-properties
1755 b e (cons 'article-type (cons type gnus-hidden-properties)))
1756 (when (memq 'intangible gnus-hidden-properties)
1757 (put-text-property (max (1- b) (point-min))
1758 b 'intangible nil)))
1760 (defun gnus-article-hide-text-of-type (type)
1761 "Hide text of TYPE in the current buffer."
1763 (let ((b (point-min))
1765 (while (setq b (text-property-any b e 'article-type type))
1766 (add-text-properties b (incf b) gnus-hidden-properties)))))
1768 (defun gnus-article-delete-text-of-type (type)
1769 "Delete text of TYPE in the current buffer."
1771 (let ((b (point-min)))
1772 (if (eq type 'multipart)
1773 ;; Remove MIME buttons associated with multipart/alternative parts.
1776 (while (if (get-text-property (point) 'gnus-part)
1778 (when (setq b (next-single-property-change (point)
1783 (skip-chars-forward "\n")
1784 (when (eq (get-text-property b 'article-type) 'multipart)
1785 (delete-region b (point)))))
1786 (while (setq b (text-property-any b (point-max) 'article-type type))
1788 b (or (text-property-not-all b (point-max) 'article-type type)
1791 (defun gnus-article-delete-invisible-text ()
1792 "Delete all invisible text in the current buffer."
1794 (let ((b (point-min)))
1795 (while (setq b (text-property-any b (point-max) 'invisible t))
1797 b (or (text-property-not-all b (point-max) 'invisible t)
1800 (defun gnus-article-text-type-exists-p (type)
1801 "Say whether any text of type TYPE exists in the buffer."
1802 (text-property-any (point-min) (point-max) 'article-type type))
1804 (defsubst gnus-article-header-rank ()
1805 "Give the rank of the string HEADER as given by `gnus-sorted-header-list'."
1806 (let ((list gnus-sorted-header-list)
1809 (if (looking-at (car list))
1811 (setq list (cdr list))
1815 (defun article-hide-headers (&optional arg delete)
1816 "Hide unwanted headers and possibly sort them as well."
1817 (interactive (gnus-article-hidden-arg))
1818 ;; Lars said that this function might be inhibited.
1819 (if (gnus-article-check-hidden-text 'headers arg)
1821 ;; Show boring headers as well.
1822 (gnus-article-show-hidden-text 'boring-headers)
1823 (when (eq 1 (point-min))
1824 (set-window-start (get-buffer-window (current-buffer)) 1)))
1825 (unless gnus-inhibit-hiding
1826 (let ((inhibit-read-only t)
1827 (case-fold-search t)
1828 (max (1+ (length gnus-sorted-header-list)))
1829 (inhibit-point-motion-hooks t)
1830 (cur (current-buffer))
1831 ignored visible beg)
1833 ;; `gnus-ignored-headers' and `gnus-visible-headers' may be
1834 ;; group parameters, so we should go to the summary buffer.
1837 (progn (set-buffer gnus-summary-buffer) t)
1839 (setq ignored (when (not gnus-visible-headers)
1840 (cond ((stringp gnus-ignored-headers)
1841 gnus-ignored-headers)
1842 ((listp gnus-ignored-headers)
1843 (mapconcat 'identity
1844 gnus-ignored-headers
1846 visible (cond ((stringp gnus-visible-headers)
1847 gnus-visible-headers)
1848 ((and gnus-visible-headers
1849 (listp gnus-visible-headers))
1850 (mapconcat 'identity
1851 gnus-visible-headers
1855 ;; First we narrow to just the headers.
1856 (article-narrow-to-head)
1857 ;; Hide any "From " lines at the beginning of (mail) articles.
1858 (while (looking-at "From ")
1862 (delete-region (point-min) (point))
1863 (gnus-article-hide-text (point-min) (point)
1864 (nconc (list 'article-type 'headers)
1865 gnus-hidden-properties))))
1866 ;; Then treat the rest of the header lines.
1867 ;; Then we use the two regular expressions
1868 ;; `gnus-ignored-headers' and `gnus-visible-headers' to
1869 ;; select which header lines is to remain visible in the
1871 (while (re-search-forward "^[^ \t:]*:" nil t)
1873 ;; Mark the rank of the header.
1875 (point) (1+ (point)) 'message-rank
1876 (if (or (and visible (looking-at visible))
1878 (not (looking-at ignored))))
1879 (gnus-article-header-rank)
1882 (message-sort-headers-1)
1883 (when (setq beg (text-property-any
1884 (point-min) (point-max) 'message-rank (+ 2 max)))
1885 ;; We delete or make invisible the unwanted headers.
1886 (gnus-add-wash-type 'headers)
1889 (add-text-properties
1890 (point-min) (+ 5 (point-min))
1891 '(article-type headers dummy-invisible t))
1892 (delete-region beg (point-max)))
1893 (gnus-article-hide-text-type beg (point-max) 'headers)))))))))
1895 (defun article-hide-boring-headers (&optional arg)
1896 "Toggle hiding of headers that aren't very interesting.
1897 If given a negative prefix, always show; if given a positive prefix,
1899 (interactive (gnus-article-hidden-arg))
1900 (when (and (not (gnus-article-check-hidden-text 'boring-headers arg))
1901 (not gnus-show-all-headers))
1904 (let ((inhibit-read-only t)
1905 (inhibit-point-motion-hooks t))
1906 (article-narrow-to-head)
1907 (dolist (elem gnus-boring-article-headers)
1908 (goto-char (point-min))
1910 ;; Hide empty headers.
1912 (while (re-search-forward "^[^: \t]+:[ \t]*\n[^ \t]" nil t)
1914 (gnus-article-hide-text-type
1918 (if (re-search-forward "^[^ \t]" nil t)
1922 ;; Hide boring Newsgroups header.
1923 ((eq elem 'newsgroups)
1924 (when (gnus-string-equal
1925 (gnus-fetch-field "newsgroups")
1926 (gnus-group-real-name
1927 (if (boundp 'gnus-newsgroup-name)
1930 (gnus-article-hide-header "newsgroups")))
1931 ((eq elem 'to-address)
1932 (let ((to (message-fetch-field "to"))
1934 (gnus-parameter-to-address
1935 (if (boundp 'gnus-newsgroup-name)
1936 gnus-newsgroup-name ""))))
1937 (when (and to to-address
1940 ;; only one address in To
1941 (nth 1 (mail-extract-address-components to))
1943 (gnus-article-hide-header "to"))))
1945 (let ((to (message-fetch-field "to"))
1947 (gnus-parameter-to-list
1948 (if (boundp 'gnus-newsgroup-name)
1949 gnus-newsgroup-name ""))))
1950 (when (and to to-list
1953 ;; only one address in To
1954 (nth 1 (mail-extract-address-components to))
1956 (gnus-article-hide-header "to"))))
1958 (let ((cc (message-fetch-field "cc"))
1960 (gnus-parameter-to-list
1961 (if (boundp 'gnus-newsgroup-name)
1962 gnus-newsgroup-name ""))))
1963 (when (and cc to-list
1966 ;; only one address in CC
1967 (nth 1 (mail-extract-address-components cc))
1969 (gnus-article-hide-header "cc"))))
1970 ((eq elem 'followup-to)
1971 (when (gnus-string-equal
1972 (message-fetch-field "followup-to")
1973 (message-fetch-field "newsgroups"))
1974 (gnus-article-hide-header "followup-to")))
1975 ((eq elem 'reply-to)
1976 (if (gnus-group-find-parameter
1977 gnus-newsgroup-name 'broken-reply-to)
1978 (gnus-article-hide-header "reply-to")
1979 (let ((from (message-fetch-field "from"))
1980 (reply-to (message-fetch-field "reply-to")))
1987 (lambda (x) (downcase (cadr x)))
1988 (mail-extract-address-components from t))
1991 (lambda (x) (downcase (cadr x)))
1992 (mail-extract-address-components reply-to t))
1994 (gnus-article-hide-header "reply-to")))))
1996 (let ((date (message-fetch-field "date")))
1998 (< (days-between (current-time-string) date)
2000 (gnus-article-hide-header "date"))))
2002 (let ((to (message-fetch-field "to"))
2003 (cc (message-fetch-field "cc")))
2004 (when (> (length to) 1024)
2005 (gnus-article-hide-header "to"))
2006 (when (> (length cc) 1024)
2007 (gnus-article-hide-header "cc"))))
2011 (goto-char (point-min))
2012 (while (re-search-forward "^to:" nil t)
2013 (setq to-count (1+ to-count)))
2014 (when (> to-count 1)
2015 (while (> to-count 0)
2016 (goto-char (point-min))
2018 (re-search-forward "^to:" nil nil to-count)
2020 (narrow-to-region (point) (point-max))
2021 (gnus-article-hide-header "to"))
2022 (setq to-count (1- to-count))))
2023 (goto-char (point-min))
2024 (while (re-search-forward "^cc:" nil t)
2025 (setq cc-count (1+ cc-count)))
2026 (when (> cc-count 1)
2027 (while (> cc-count 0)
2028 (goto-char (point-min))
2030 (re-search-forward "^cc:" nil nil cc-count)
2032 (narrow-to-region (point) (point-max))
2033 (gnus-article-hide-header "cc"))
2034 (setq cc-count (1- cc-count)))))))))))))
2036 (defun gnus-article-hide-header (header)
2038 (goto-char (point-min))
2039 (when (re-search-forward (concat "^" header ":") nil t)
2040 (gnus-article-hide-text-type
2044 (if (re-search-forward "^[^ \t]" nil t)
2049 (defvar gnus-article-normalized-header-length 40
2050 "Length of normalized headers.")
2052 (defun article-normalize-headers ()
2053 "Make all header lines 40 characters long."
2055 (let ((inhibit-read-only t)
2059 (article-narrow-to-head)
2062 ((< (setq column (- (point-at-eol) (point)))
2063 gnus-article-normalized-header-length)
2065 (insert (make-string
2066 (- gnus-article-normalized-header-length column)
2068 ((> column gnus-article-normalized-header-length)
2069 (gnus-put-text-property
2071 (forward-char gnus-article-normalized-header-length)
2078 (forward-line 1))))))
2080 (defun article-treat-dumbquotes ()
2081 "Translate M****s*** sm*rtq**t*s and other symbols into proper text.
2082 Note that this function guesses whether a character is a sm*rtq**t* or
2083 not, so it should only be used interactively.
2085 Sm*rtq**t*s are M****s***'s unilateral extension to the
2086 iso-8859-1 character map in an attempt to provide more quoting
2087 characters. If you see something like \\222 or \\264 where
2088 you're expecting some kind of apostrophe or quotation mark, then
2091 (article-translate-strings gnus-article-dumbquotes-map))
2093 (defun article-translate-characters (from to)
2094 "Translate all characters in the body of the article according to FROM and TO.
2095 FROM is a string of characters to translate from; to is a string of
2096 characters to translate to."
2098 (when (article-goto-body)
2099 (let ((inhibit-read-only t)
2100 (x (make-string 225 ?x))
2102 (while (< (incf i) (length x))
2105 (while (< i (length from))
2106 (aset x (aref from i) (aref to i))
2108 (translate-region (point) (point-max) x)))))
2110 (defun article-translate-strings (map)
2111 "Translate all string in the body of the article according to MAP.
2112 MAP is an alist where the elements are on the form (\"from\" \"to\")."
2114 (when (article-goto-body)
2115 (let ((inhibit-read-only t))
2118 (while (search-forward (car elem) nil t)
2119 (replace-match (cadr elem)))))))))
2121 (defun article-treat-overstrike ()
2122 "Translate overstrikes into bold text."
2125 (when (article-goto-body)
2126 (let ((inhibit-read-only t))
2127 (while (search-forward "\b" nil t)
2128 (let ((next (char-after))
2132 previous (char-after))
2136 ;; We do the boldification/underlining by hiding the
2137 ;; overstrikes and putting the proper text property
2141 (gnus-article-hide-text-type start (point) 'overstrike)
2142 (put-text-property (point) end 'face 'bold))
2144 (gnus-article-hide-text-type
2145 (1- (point)) (1+ (point)) 'overstrike)
2147 start (1- (point)) 'face 'underline))
2149 (gnus-article-hide-text-type start (point) 'overstrike)
2151 (point) end 'face 'underline)))))))))
2153 (defun article-treat-ansi-sequences ()
2154 "Translate ANSI SGR control sequences into overlays or extents."
2157 (when (article-goto-body)
2158 (let ((inhibit-read-only t))
2159 (ansi-color-apply-on-region (point) (point-max))))))
2161 (defun gnus-article-treat-unfold-headers ()
2162 "Unfold folded message headers.
2163 Only the headers that fit into the current window width will be
2166 (gnus-with-article-headers
2170 (mail-header-narrow-to-field)
2171 (let ((header (buffer-string)))
2174 (goto-char (point-min))
2175 (while (re-search-forward "\n[\t ]" nil t)
2176 (replace-match " " t t)))
2177 (setq length (- (point-max) (point-min) 1)))
2178 (when (< length (window-width))
2179 (while (re-search-forward "\n[\t ]" nil t)
2180 (replace-match " " t t)))
2181 (goto-char (point-max)))))))
2183 (defun gnus-article-treat-fold-headers ()
2184 "Fold message headers."
2186 (gnus-with-article-headers
2189 (mail-header-narrow-to-field)
2190 (mail-header-fold-field)
2191 (goto-char (point-max))))))
2193 (defun gnus-treat-smiley ()
2194 "Toggle display of textual emoticons (\"smileys\") as small graphical icons."
2196 (unless (featurep 'xemacs)
2197 (when (and (not gnus-article-should-use-smiley-mule)
2198 gnus-article-smiley-mule-loaded-p)
2199 (load "smiley" nil t)
2200 (setq gnus-article-smiley-mule-loaded-p nil))
2201 (when (and gnus-article-should-use-smiley-mule
2202 (not gnus-article-smiley-mule-loaded-p))
2203 (load "smiley-mule" nil t)
2204 (setq gnus-article-smiley-mule-loaded-p t)))
2205 (gnus-with-article-buffer
2206 (if (memq 'smiley gnus-article-wash-types)
2207 (gnus-delete-images 'smiley)
2209 (let ((images (smiley-region (point) (point-max))))
2211 (gnus-add-wash-type 'smiley)
2212 (dolist (image images)
2213 (gnus-add-image 'smiley image)))))))
2215 (defun gnus-article-remove-images ()
2216 "Remove all images from the article buffer."
2218 (gnus-with-article-buffer
2219 (dolist (elem gnus-article-image-alist)
2220 (gnus-delete-images (car elem)))))
2222 (defun gnus-article-treat-fold-newsgroups ()
2223 "Unfold folded message headers.
2224 Only the headers that fit into the current window width will be
2227 (gnus-with-article-headers
2228 (while (gnus-article-goto-header "newsgroups\\|followup-to")
2230 (mail-header-narrow-to-field)
2231 (while (re-search-forward ", *" nil t)
2232 (replace-match ", " t t))
2233 (mail-header-fold-field)
2234 (goto-char (point-max))))))
2236 (defun gnus-article-treat-body-boundary ()
2237 "Place a boundary line at the end of the headers."
2239 (when (and gnus-body-boundary-delimiter
2240 (> (length gnus-body-boundary-delimiter) 0))
2241 (gnus-with-article-headers
2242 (goto-char (point-max))
2243 (let ((start (point)))
2244 (insert "X-Boundary: ")
2245 (gnus-add-text-properties start (point) '(invisible t intangible t))
2247 (while (>= (1- (window-width)) (length str))
2248 (setq str (concat str gnus-body-boundary-delimiter)))
2249 (substring str 0 (1- (window-width))))
2251 (gnus-put-text-property start (point) 'gnus-decoration 'header)))))
2253 (defun article-fill-long-lines ()
2254 "Fill lines that are wider than the window width."
2257 (let ((inhibit-read-only t)
2258 (width (window-width (get-buffer-window (current-buffer)))))
2261 (let ((adaptive-fill-mode nil)) ;Why? -sm
2264 (when (>= (current-column) (min fill-column width))
2265 (narrow-to-region (min (1+ (point)) (point-max))
2267 (let ((goback (point-marker)))
2268 (fill-paragraph nil)
2269 (goto-char (marker-position goback)))
2271 (forward-line 1)))))))
2273 (defun article-capitalize-sentences ()
2274 "Capitalize the first word in each sentence."
2277 (let ((inhibit-read-only t)
2278 (paragraph-start "^[\n\^L]"))
2282 (forward-sentence)))))
2284 (defun article-remove-cr ()
2285 "Remove trailing CRs and then translate remaining CRs into LFs."
2288 (let ((inhibit-read-only t))
2289 (goto-char (point-min))
2290 (while (re-search-forward "\r+$" nil t)
2291 (replace-match "" t t))
2292 (goto-char (point-min))
2293 (while (search-forward "\r" nil t)
2294 (replace-match "\n" t t)))))
2296 (defun article-remove-trailing-blank-lines ()
2297 "Remove all trailing blank lines from the article."
2300 (let ((inhibit-read-only t))
2301 (goto-char (point-max))
2305 (while (and (not (bobp))
2306 (looking-at "^[ \t]*$")
2307 (not (gnus-annotation-in-region-p
2308 (point) (point-at-eol))))
2314 (defvar gnus-face-properties-alist))
2316 (defun article-display-face ()
2317 "Display any Face headers in the header."
2319 (let ((wash-face-p buffer-read-only))
2320 (gnus-with-article-headers
2321 ;; When displaying parts, this function can be called several times on
2322 ;; the same article, without any intended toggle semantic (as typing `W
2323 ;; D d' would have). So face deletion must occur only when we come from
2324 ;; an interactive command, that is when the *Article* buffer is
2326 (if (and wash-face-p (memq 'face gnus-article-wash-types))
2327 (gnus-delete-images 'face)
2328 (let (face faces from)
2329 (save-current-buffer
2330 (when (and wash-face-p
2331 (gnus-buffer-live-p gnus-original-article-buffer)
2332 (not (re-search-forward "^Face:[\t ]*" nil t)))
2333 (set-buffer gnus-original-article-buffer))
2335 (mail-narrow-to-head)
2336 (while (gnus-article-goto-header "Face")
2337 (push (mail-header-field-value) faces))))
2339 (goto-char (point-min))
2340 (let ((from (gnus-article-goto-header "from"))
2345 (insert "[no `from' set]\n"))
2347 (when (setq png (gnus-convert-face-to-png (pop faces)))
2349 (apply 'gnus-create-image png 'png t
2350 (cdr (assq 'png gnus-face-properties-alist))))
2352 (gnus-add-wash-type 'face)
2353 (gnus-add-image 'face image)
2354 (gnus-put-image image nil 'face))))))))))
2356 (defun article-display-x-face (&optional force)
2357 "Look for an X-Face header and display it if present."
2358 (interactive (list 'force))
2359 (let ((wash-face-p buffer-read-only)) ;; When type `W f'
2360 (gnus-with-article-headers
2361 ;; Delete the old process, if any.
2362 (when (process-status "article-x-face")
2363 (delete-process "article-x-face"))
2364 ;; See the comment in `article-display-face'.
2365 (if (and wash-face-p (memq 'xface gnus-article-wash-types))
2366 ;; We have already displayed X-Faces, so we remove them
2368 (gnus-delete-images 'xface)
2370 (let (x-faces from face)
2371 (save-current-buffer
2372 (when (and wash-face-p
2373 (gnus-buffer-live-p gnus-original-article-buffer)
2374 (not (re-search-forward "^X-Face:[\t ]*" nil t)))
2375 ;; If type `W f', use gnus-original-article-buffer,
2376 ;; otherwise use the current buffer because displaying
2377 ;; RFC822 parts calls this function too.
2378 (set-buffer gnus-original-article-buffer))
2380 (mail-narrow-to-head)
2381 (while (gnus-article-goto-header "X-Face")
2382 (push (mail-header-field-value) x-faces))
2383 (setq from (message-fetch-field "from"))))
2384 ;; Sending multiple EOFs to xv doesn't work, so we only do a
2385 ;; single external face.
2386 (when (stringp gnus-article-x-face-command)
2387 (setq x-faces (list (car x-faces))))
2389 gnus-article-x-face-command
2391 ;; Check whether this face is censored.
2392 (not gnus-article-x-face-too-ugly)
2394 (not (string-match gnus-article-x-face-too-ugly
2396 (while (setq face (pop x-faces))
2397 ;; We display the face.
2398 (cond ((stringp gnus-article-x-face-command)
2399 ;; The command is a string, so we interpret the command
2400 ;; as a, well, command, and fork it off.
2401 (let ((process-connection-type nil))
2402 (gnus-set-process-query-on-exit-flag
2404 "article-x-face" nil shell-file-name
2405 shell-command-switch gnus-article-x-face-command)
2409 (process-send-region "article-x-face"
2410 (point-min) (point-max)))
2411 (process-send-eof "article-x-face")))
2412 ((functionp gnus-article-x-face-command)
2413 ;; The command is a lisp function, so we call it.
2414 (funcall gnus-article-x-face-command face))
2416 (error "%s is not a function"
2417 gnus-article-x-face-command))))))))))
2419 (defun article-decode-mime-words ()
2420 "Decode all MIME-encoded words in the article."
2422 (gnus-with-article-buffer
2423 (let ((inhibit-point-motion-hooks t)
2424 (mail-parse-charset gnus-newsgroup-charset)
2425 (mail-parse-ignored-charsets
2426 (with-current-buffer gnus-summary-buffer
2427 gnus-newsgroup-ignored-charsets)))
2428 (mail-decode-encoded-word-region (point-min) (point-max)))))
2430 (defun article-decode-charset (&optional prompt)
2431 "Decode charset-encoded text in the article.
2432 If PROMPT (the prefix), prompt for a coding system to use."
2434 (let ((inhibit-point-motion-hooks t) (case-fold-search t)
2435 (inhibit-read-only t)
2436 (mail-parse-charset gnus-newsgroup-charset)
2437 (mail-parse-ignored-charsets
2438 (save-excursion (condition-case nil
2439 (set-buffer gnus-summary-buffer)
2441 gnus-newsgroup-ignored-charsets))
2442 ct cte ctl charset format)
2445 (article-narrow-to-head)
2446 (setq ct (message-fetch-field "Content-Type" t)
2447 cte (message-fetch-field "Content-Transfer-Encoding" t)
2448 ctl (and ct (ignore-errors
2449 (mail-header-parse-content-type ct)))
2452 (mm-read-coding-system "Charset to decode: "))
2454 (mail-content-type-get ctl 'charset)))
2455 format (and ctl (mail-content-type-get ctl 'format)))
2457 (setq cte (mail-header-strip cte)))
2458 (if (and ctl (not (string-match "/" (car ctl))))
2460 (goto-char (point-max)))
2463 (narrow-to-region (point) (point-max))
2464 (when (and (eq mail-parse-charset 'gnus-decoded)
2465 (eq (mm-body-7-or-8) '8bit))
2466 ;; The text code could have been decoded.
2467 (setq charset mail-parse-charset))
2468 (when (and (or (not ctl)
2469 (equal (car ctl) "text/plain"))
2470 (not format)) ;; article with format will decode later.
2472 charset (and cte (intern (downcase
2473 (gnus-strip-whitespace cte))))
2476 (defun article-decode-encoded-words ()
2477 "Remove encoded-word encoding from headers."
2478 (let ((charset (save-excursion
2479 (set-buffer gnus-summary-buffer)
2480 default-mime-charset))
2481 (inhibit-read-only t))
2482 (mime-decode-header-in-buffer charset)))
2484 (defun article-decode-group-name ()
2485 "Decode group names in `Newsgroups:'."
2486 (let ((inhibit-point-motion-hooks t)
2487 (inhibit-read-only t)
2488 (method (gnus-find-method-for-group gnus-newsgroup-name)))
2489 (when (and (or gnus-group-name-charset-method-alist
2490 gnus-group-name-charset-group-alist)
2491 (gnus-buffer-live-p gnus-original-article-buffer))
2493 (article-narrow-to-head)
2494 (with-current-buffer gnus-original-article-buffer
2495 (goto-char (point-min)))
2496 (while (re-search-forward
2497 "^Newsgroups:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]" nil t)
2498 (replace-match (save-match-data
2499 (gnus-decode-newsgroups
2500 ;; XXX how to use data in article buffer?
2501 (with-current-buffer gnus-original-article-buffer
2503 "^Newsgroups:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]"
2506 gnus-newsgroup-name method))
2508 (goto-char (point-min))
2509 (with-current-buffer gnus-original-article-buffer
2510 (goto-char (point-min)))
2511 (while (re-search-forward
2512 "^Followup-To:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]" nil t)
2513 (replace-match (save-match-data
2514 (gnus-decode-newsgroups
2515 ;; XXX how to use data in article buffer?
2516 (with-current-buffer gnus-original-article-buffer
2518 "^Followup-To:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]"
2521 gnus-newsgroup-name method))
2524 (autoload 'idna-to-unicode "idna")
2526 (defun article-decode-idna-rhs ()
2527 "Decode IDNA strings in RHS in various headers in current buffer.
2528 The following headers are decoded: From:, To:, Cc:, Reply-To:,
2529 Mail-Reply-To: and Mail-Followup-To:."
2532 (let ((inhibit-point-motion-hooks t)
2533 (inhibit-read-only t))
2534 (article-narrow-to-head)
2535 (goto-char (point-min))
2536 (while (re-search-forward "@[^ \t\n\r,>]*\\(xn--[-A-Za-z0-9.]*\\)[ \t\n\r,>]" nil t)
2538 (when (save-match-data
2539 (and (setq ace (match-string 1))
2541 (and (re-search-backward "^[^ \t]" nil t)
2542 (looking-at "From\\|To\\|Cc\\|Reply-To\\|Mail-Reply-To\\|Mail-Followup-To")))
2543 (setq unicode (idna-to-unicode ace))))
2544 (unless (string= ace unicode)
2545 (replace-match unicode nil nil nil 1)))))))))
2547 (defun article-de-quoted-unreadable (&optional force read-charset)
2548 "Translate a quoted-printable-encoded article.
2549 If FORCE, decode the article whether it is marked as quoted-printable
2551 If READ-CHARSET, ask for a coding system."
2552 (interactive (list 'force current-prefix-arg))
2554 (let ((inhibit-read-only t) type charset)
2555 (if (gnus-buffer-live-p gnus-original-article-buffer)
2556 (with-current-buffer gnus-original-article-buffer
2558 (gnus-fetch-field "content-transfer-encoding"))
2559 (let* ((ct (gnus-fetch-field "content-type"))
2562 (mail-header-parse-content-type ct)))))
2563 (setq charset (and ctl
2564 (mail-content-type-get ctl 'charset)))
2565 (if (stringp charset)
2566 (setq charset (intern (downcase charset)))))))
2568 (setq charset (mm-read-coding-system "Charset: " charset)))
2570 (setq charset gnus-newsgroup-charset))
2572 (and type (let ((case-fold-search t))
2573 (string-match "quoted-printable" type))))
2575 (quoted-printable-decode-region
2576 (point) (point-max) (mm-charset-to-coding-system charset))))))
2578 (defun article-de-base64-unreadable (&optional force read-charset)
2579 "Translate a base64 article.
2580 If FORCE, decode the article whether it is marked as base64 not.
2581 If READ-CHARSET, ask for a coding system."
2582 (interactive (list 'force current-prefix-arg))
2584 (let ((inhibit-read-only t) type charset)
2585 (if (gnus-buffer-live-p gnus-original-article-buffer)
2586 (with-current-buffer gnus-original-article-buffer
2588 (gnus-fetch-field "content-transfer-encoding"))
2589 (let* ((ct (gnus-fetch-field "content-type"))
2592 (mail-header-parse-content-type ct)))))
2593 (setq charset (and ctl
2594 (mail-content-type-get ctl 'charset)))
2595 (if (stringp charset)
2596 (setq charset (intern (downcase charset)))))))
2598 (setq charset (mm-read-coding-system "Charset: " charset)))
2600 (setq charset gnus-newsgroup-charset))
2602 (and type (let ((case-fold-search t))
2603 (string-match "base64" type))))
2606 (narrow-to-region (point) (point-max))
2607 (base64-decode-region (point-min) (point-max))
2608 (mm-decode-coding-region
2609 (point-min) (point-max) (mm-charset-to-coding-system charset)))))))
2614 (defun article-decode-HZ ()
2615 "Translate a HZ-encoded article."
2619 (let ((inhibit-read-only t))
2620 (rfc1843-decode-region (point-min) (point-max)))))
2622 (defun article-unsplit-urls ()
2623 "Remove the newlines that some other mailers insert into URLs."
2626 (let ((inhibit-read-only t))
2627 (goto-char (point-min))
2628 (while (re-search-forward
2629 "\\(\\(https?\\|ftp\\)://\\S-+\\) *\n\\(\\S-+\\)" nil t)
2630 (replace-match "\\1\\3" t)))
2631 (when (interactive-p)
2632 (gnus-treat-article nil))))
2635 (defun article-wash-html (&optional read-charset)
2636 "Format an HTML article.
2637 If READ-CHARSET, ask for a coding system. If it is a number, the
2638 charset defined in `gnus-summary-show-article-charset-alist' is used."
2641 (let ((inhibit-read-only t)
2644 (if (or (and (numberp read-charset)
2648 gnus-summary-show-article-charset-alist))))
2649 (setq charset (mm-read-coding-system "Charset: ")))
2650 (let ((gnus-summary-show-article-charset-alist
2651 (list (cons 1 charset))))
2652 (with-current-buffer gnus-summary-buffer
2653 (gnus-summary-show-article 1)))
2654 (error "No charset is given"))
2655 (when (gnus-buffer-live-p gnus-original-article-buffer)
2656 (with-current-buffer gnus-original-article-buffer
2657 (let* ((ct (gnus-fetch-field "content-type"))
2660 (mail-header-parse-content-type ct)))))
2661 (setq charset (and ctl
2662 (mail-content-type-get ctl 'charset)))
2663 (when (stringp charset)
2664 (setq charset (intern (downcase charset)))))))
2666 (setq charset gnus-newsgroup-charset)))
2668 (save-window-excursion
2670 (narrow-to-region (point) (point-max))
2671 (let* ((func (or gnus-article-wash-function mm-text-html-renderer))
2672 (entry (assq func mm-text-html-washer-alist)))
2674 (setq func (cdr entry)))
2679 (apply (car func) (cdr func))))))))))
2681 (defun gnus-article-wash-html-with-w3 ()
2682 "Wash the current buffer with w3."
2684 (let ((w3-strict-width (window-width))
2685 (url-standalone-mode t)
2686 (url-gateway-unplugged t)
2687 (w3-honor-stylesheets nil))
2689 (w3-region (point-min) (point-max))
2692 (defun gnus-article-wash-html-with-w3m ()
2693 "Wash the current buffer with emacs-w3m."
2695 (let ((w3m-safe-url-regexp mm-w3m-safe-url-regexp)
2696 w3m-force-redisplay)
2697 (w3m-region (point-min) (point-max)))
2698 (when (and mm-inline-text-html-with-w3m-keymap
2699 (boundp 'w3m-minor-mode-map)
2701 (add-text-properties
2702 (point-min) (point-max)
2703 (list 'keymap w3m-minor-mode-map
2704 ;; Put the mark meaning this part was rendered by emacs-w3m.
2705 'mm-inline-text-html-with-w3m t))))
2707 (eval-when-compile (defvar charset)) ;; Bound by `article-wash-html'.
2709 (defun gnus-article-wash-html-with-w3m-standalone ()
2710 "Wash the current buffer with w3m."
2711 (unless (mm-coding-system-p charset)
2713 (setq charset 'iso-8859-1))
2714 (let ((coding-system-for-write charset)
2715 (coding-system-for-read charset))
2716 (call-process-region
2717 (point-min) (point-max)
2718 "w3m" t t nil "-dump" "-T" "text/html"
2719 "-I" (symbol-name charset) "-O" (symbol-name charset))))
2721 (defun article-hide-list-identifiers ()
2722 "Remove list identifies from the Subject header.
2723 The `gnus-list-identifiers' variable specifies what to do."
2725 (let ((inhibit-point-motion-hooks t)
2726 (regexp (if (consp gnus-list-identifiers)
2727 (mapconcat 'identity gnus-list-identifiers " *\\|")
2728 gnus-list-identifiers))
2729 (inhibit-read-only t))
2733 (article-narrow-to-head)
2734 (goto-char (point-min))
2735 (while (re-search-forward
2736 (concat "^Subject: +\\(R[Ee]: +\\)*\\(" regexp " *\\)")
2738 (delete-region (match-beginning 2) (match-end 0))
2739 (beginning-of-line))
2740 (when (re-search-forward
2741 "^Subject: +\\(\\(R[Ee]: +\\)+\\)R[Ee]: +" nil t)
2742 (delete-region (match-beginning 1) (match-end 1))))))))
2744 (defun article-hide-pem (&optional arg)
2745 "Toggle hiding of any PEM headers and signatures in the current article.
2746 If given a negative prefix, always show; if given a positive prefix,
2748 (interactive (gnus-article-hidden-arg))
2749 (unless (gnus-article-check-hidden-text 'pem arg)
2751 (let ((inhibit-read-only t) end)
2752 (goto-char (point-min))
2753 ;; Hide the horrendously ugly "header".
2754 (when (and (search-forward
2755 "\n-----BEGIN PRIVACY-ENHANCED MESSAGE-----\n"
2757 (setq end (1+ (match-beginning 0))))
2758 (gnus-add-wash-type 'pem)
2759 (gnus-article-hide-text-type
2761 (if (search-forward "\n\n" nil t)
2765 ;; Hide the trailer as well
2766 (when (search-forward "\n-----END PRIVACY-ENHANCED MESSAGE-----\n"
2768 (gnus-article-hide-text-type
2769 (match-beginning 0) (match-end 0) 'pem)))))))
2771 (defun article-strip-banner ()
2772 "Strip the banners specified by the `banner' group parameter and by
2773 `gnus-article-address-banner-alist'."
2777 (let ((inhibit-point-motion-hooks t))
2778 (when (gnus-parameter-banner gnus-newsgroup-name)
2779 (article-really-strip-banner
2780 (gnus-parameter-banner gnus-newsgroup-name)))
2781 (when gnus-article-address-banner-alist
2782 ;; It is necessary to encode from fields before checking,
2783 ;; because `mail-header-parse-addresses' does not work
2784 ;; (reliably) on decoded headers. And more, it is
2785 ;; impossible to use `gnus-fetch-original-field' here,
2786 ;; because `article-strip-banner' may be called in draft
2787 ;; buffers to preview them.
2788 (let ((from (save-restriction
2790 (article-narrow-to-head)
2791 (mail-fetch-field "from"))))
2794 (caar (mail-header-parse-addresses
2795 (mail-encode-encoded-word-string from)))))
2797 (dolist (pair gnus-article-address-banner-alist)
2798 (when (string-match (car pair) from)
2800 (article-really-strip-banner (cdr pair)))))))))))))
2802 (defun article-really-strip-banner (banner)
2803 "Strip the banner specified by the argument."
2806 (let ((inhibit-point-motion-hooks t)
2807 (gnus-signature-limit nil)
2808 (inhibit-read-only t))
2811 ((eq banner 'signature)
2812 (when (gnus-article-narrow-to-signature)
2815 (delete-region (point) (point-max))))
2817 (if (setq banner (cdr (assq banner gnus-article-banner-alist)))
2818 (while (re-search-forward banner nil t)
2819 (delete-region (match-beginning 0) (match-end 0)))))
2821 (while (re-search-forward banner nil t)
2822 (delete-region (match-beginning 0) (match-end 0)))))))))
2824 (defun article-babel ()
2825 "Translate article using an online translation service."
2828 (gnus-with-article-buffer
2829 (when (article-goto-body)
2830 (let* ((start (point))
2832 (orig (buffer-substring start end))
2833 (trans (babel-as-string orig)))
2835 (narrow-to-region start end)
2836 (delete-region start end)
2839 (defun article-hide-signature (&optional arg)
2840 "Hide the signature in the current article.
2841 If given a negative prefix, always show; if given a positive prefix,
2843 (interactive (gnus-article-hidden-arg))
2849 (article-goto-body))
2850 (goto-char (point-min)))
2851 (unless (gnus-article-check-hidden-text 'signature arg)
2852 (let ((inhibit-read-only t)
2854 (while (setq button (text-property-any button (point-max)
2856 'gnus-signature-toggle))
2857 (setq button (text-property-not-all button (point-max)
2859 'gnus-signature-toggle))
2860 (when (and button (not (eobp)))
2861 (gnus-article-hide-text-type
2863 (next-single-property-change (1+ button) 'mime-view-entity
2866 (gnus-set-mode-line 'article))
2868 (defun article-strip-headers-in-body ()
2869 "Strip offensive headers from bodies."
2873 (let ((case-fold-search t))
2874 (when (looking-at "x-no-archive:")
2875 (gnus-delete-line)))))
2877 (defun article-strip-leading-blank-lines ()
2878 "Remove all blank lines from the beginning of the article."
2881 (let ((inhibit-point-motion-hooks t)
2882 (inhibit-read-only t))
2883 (when (article-goto-body)
2884 (while (and (not (eobp))
2885 (looking-at "[ \t]*$"))
2886 (gnus-delete-line))))))
2888 (defun article-narrow-to-head ()
2889 "Narrow the buffer to the head of the message.
2890 Point is left at the beginning of the narrowed-to region."
2892 (goto-char (point-min))
2893 (if (search-forward "\n\n" nil 1)
2896 (goto-char (point-min)))
2898 (defun article-goto-body ()
2899 "Place point at the start of the body."
2900 (goto-char (point-min))
2902 ;; This variable is only bound when dealing with separate
2904 (article-goto-body-goes-to-point-min-p
2906 ((search-forward "\n\n" nil t)
2909 (goto-char (point-max))
2912 (defun article-strip-multiple-blank-lines ()
2913 "Replace consecutive blank lines with one empty line."
2916 (let ((inhibit-point-motion-hooks t)
2917 (inhibit-read-only t))
2918 ;; First make all blank lines empty.
2920 (while (re-search-forward "^[ \t]+$" nil t)
2921 (unless (gnus-annotation-in-region-p
2922 (match-beginning 0) (match-end 0))
2923 (replace-match "" nil t)))
2924 ;; Then replace multiple empty lines with a single empty line.
2926 (while (re-search-forward "\n\n\\(\n+\\)" nil t)
2927 (unless (gnus-annotation-in-region-p
2928 (match-beginning 0) (match-end 0))
2929 (delete-region (match-beginning 1) (match-end 1)))))))
2931 (defun article-strip-leading-space ()
2932 "Remove all white space from the beginning of the lines in the article."
2935 (let ((inhibit-point-motion-hooks t)
2936 (inhibit-read-only t))
2938 (while (re-search-forward "^[ \t]+" nil t)
2939 (replace-match "" t t)))))
2941 (defun article-strip-trailing-space ()
2942 "Remove all white space from the end of the lines in the article."
2945 (let ((inhibit-point-motion-hooks t)
2946 (inhibit-read-only t))
2948 (while (re-search-forward "[ \t]+$" nil t)
2949 (replace-match "" t t)))))
2951 (defun article-strip-blank-lines ()
2952 "Strip leading, trailing and multiple blank lines."
2954 (article-strip-leading-blank-lines)
2955 (article-remove-trailing-blank-lines)
2956 (article-strip-multiple-blank-lines))
2958 (defun article-strip-all-blank-lines ()
2959 "Strip all blank lines."
2962 (let ((inhibit-point-motion-hooks t)
2963 (inhibit-read-only t))
2965 (while (re-search-forward "^[ \t]*\n" nil t)
2966 (replace-match "" t t)))))
2968 (defun gnus-article-narrow-to-signature ()
2969 "Narrow to the signature; return t if a signature is found, else nil."
2970 (let ((inhibit-point-motion-hooks t))
2971 (when (gnus-article-search-signature)
2973 ;; Check whether we have some limits to what we consider
2974 ;; to be a signature.
2975 (let ((limits (if (listp gnus-signature-limit) gnus-signature-limit
2976 (list gnus-signature-limit)))
2978 (while (setq limit (pop limits))
2979 (if (or (and (integerp limit)
2980 (< (- (point-max) (point)) limit))
2982 (< (count-lines (point) (point-max)) limit))
2983 (and (functionp limit)
2985 (and (stringp limit)
2986 (not (re-search-forward limit nil t))))
2987 () ; This limit did not succeed.
2991 (narrow-to-region (point) (point-max))
2994 (defun gnus-article-search-signature ()
2995 "Search the current buffer for the signature separator.
2996 Put point at the beginning of the signature separator."
2997 (let ((cur (point)))
2998 (goto-char (point-max))
2999 (if (if (stringp gnus-signature-separator)
3000 (re-search-backward gnus-signature-separator nil t)
3001 (let ((seps gnus-signature-separator))
3003 (not (re-search-backward (car seps) nil t)))
3010 (defun gnus-article-hidden-arg ()
3011 "Return the current prefix arg as a number, or 0 if no prefix."
3012 (list (if current-prefix-arg
3013 (prefix-numeric-value current-prefix-arg)
3016 (defun gnus-article-check-hidden-text (type arg)
3017 "Return nil if hiding is necessary.
3018 Arg can be nil or a number. nil and positive means hide, negative
3019 means show, 0 means toggle."
3022 (let ((hide (gnus-article-hidden-text-p type)))
3028 (gnus-article-show-hidden-text type)
3031 (if (eq hide 'hidden)
3033 (gnus-article-show-hidden-text type)
3037 (defun gnus-article-hidden-text-p (type)
3038 "Say whether the current buffer contains hidden text of type TYPE."
3039 (let ((pos (text-property-any (point-min) (point-max) 'article-type type)))
3041 (not (get-text-property pos 'invisible))
3042 (not (get-text-property pos 'dummy-invisible)))
3044 (text-property-any (1+ pos) (point-max) 'article-type type)))
3049 (defun gnus-article-show-hidden-text (type &optional dummy)
3050 "Show all hidden text of type TYPE.
3051 Originally it is hide instead of DUMMY."
3052 (let ((inhibit-read-only t)
3053 (inhibit-point-motion-hooks t))
3054 (gnus-remove-text-properties-when
3056 (point-min) (point-max)
3057 (cons 'article-type (cons type
3058 gnus-hidden-properties)))
3059 (gnus-delete-wash-type type)))
3061 (defconst article-time-units
3062 `((year . ,(* 365.25 24 60 60))
3063 (week . ,(* 7 24 60 60))
3064 (day . ,(* 24 60 60))
3068 "Mapping from time units to seconds.")
3070 (defun gnus-article-forward-header ()
3071 "Move point to the start of the next header.
3072 If the current header is a continuation header, this can be several
3077 (if (looking-at "[ \t]+[^ \t]")
3081 (defun article-date-ut (&optional type highlight)
3082 "Convert DATE date to universal time in the current article.
3083 If TYPE is `local', convert to local time; if it is `lapsed', output
3084 how much time has lapsed since DATE. For `lapsed', the value of
3085 `gnus-article-date-lapsed-new-header' says whether the \"X-Sent:\" header
3086 should replace the \"Date:\" one, or should be added below it."
3087 (interactive (list 'ut t))
3088 (let* ((tdate-regexp "^Date:[ \t]\\|^X-Sent:[ \t]")
3089 (date-regexp (cond ((not gnus-article-date-lapsed-new-header)
3093 (article-lapsed-timer
3097 (case-fold-search t)
3098 (inhibit-read-only t)
3099 (inhibit-point-motion-hooks t)
3100 pos date bface eface)
3104 (goto-char (point-min))
3105 (while (or (setq date (get-text-property (setq pos (point))
3107 (when (setq pos (next-single-property-change
3108 (point) 'original-date))
3109 (setq date (get-text-property pos 'original-date))
3111 (narrow-to-region pos (or (text-property-any pos (point-max)
3114 (goto-char (point-min))
3115 (when (re-search-forward tdate-regexp nil t)
3116 (setq bface (get-text-property (point-at-bol) 'face)
3117 eface (get-text-property (1- (point-at-eol)) 'face)))
3118 (goto-char (point-min))
3120 ;; Delete any old Date headers.
3121 (while (re-search-forward date-regexp nil t)
3123 (delete-region (point-at-bol) (progn
3124 (gnus-article-forward-header)
3126 (delete-region (point-at-bol) (progn
3127 (gnus-article-forward-header)
3130 (setq pos (point))))
3131 (when (and (not pos)
3132 (re-search-forward tdate-regexp nil t))
3134 (gnus-goto-char pos)
3135 (insert (article-make-date-line date (or type 'ut)))
3141 (when (looking-at "\\([^:]+\\): *\\(.*\\)$")
3142 (put-text-property (match-beginning 1) (1+ (match-end 1))
3144 (put-text-property (match-beginning 2) (match-end 2)
3146 (put-text-property (point-min) (1- (point-max)) 'original-date date)
3147 (goto-char (point-max))
3150 (defun article-make-date-line (date type)
3151 "Return a DATE line of TYPE."
3152 (unless (memq type '(local ut original user iso8601 lapsed english))
3153 (error "Unknown conversion type: %s" type))
3155 (let ((time (date-to-time date)))
3157 ;; Convert to the local timezone.
3159 (concat "Date: " (message-make-date time)))
3160 ;; Convert to Universal Time.
3165 (let* ((e (parse-time-string date))
3166 (tm (apply 'encode-time e))
3168 (ls (- (cadr tm) (car (current-time-zone time)))))
3169 (cond ((< ls 0) (list (1- ms) (+ ls 65536)))
3170 ((> ls 65535) (list (1+ ms) (- ls 65536)))
3174 ;; Get the original date from the article.
3175 ((eq type 'original)
3176 (concat "Date: " (if (string-match "\n+$" date)
3177 (substring date 0 (match-beginning 0))
3179 ;; Let the user define the format.
3181 (let ((format (or (condition-case nil
3182 (with-current-buffer gnus-summary-buffer
3183 gnus-article-time-format)
3185 gnus-article-time-format)))
3186 (if (functionp format)
3187 (funcall format time)
3188 (concat "Date: " (format-time-string format time)))))
3191 (let ((tz (car (current-time-zone time))))
3194 (format-time-string "%Y%m%dT%H%M%S" time)
3195 (format "%s%02d%02d"
3196 (if (> tz 0) "+" "-") (/ (abs tz) 3600)
3197 (/ (% (abs tz) 3600) 60)))))
3198 ;; Do an X-Sent lapsed format.
3200 ;; If the date is seriously mangled, the timezone functions are
3201 ;; liable to bug out, so we ignore all errors.
3202 (let* ((now (current-time))
3203 (real-time (subtract-time now time))
3204 (real-sec (and real-time
3205 (+ (* (float (car real-time)) 65536)
3207 (sec (and real-time (abs real-sec)))
3217 ;; This is a bit convoluted, but basically we go
3218 ;; through the time units for years, weeks, etc,
3219 ;; and divide things to see whether that results
3220 ;; in positive answers.
3223 (if (zerop (setq num (ffloor (/ sec (cdr unit)))))
3224 ;; The (remaining) seconds are too few to
3225 ;; be divided into this time unit.
3227 ;; It's big enough, so we output it.
3228 (setq sec (- sec (* num (cdr unit))))
3230 (concat (if prev ", " "") (int-to-string
3232 " " (symbol-name (car unit))
3233 (if (> num 1) "s" ""))
3235 article-time-units "")
3236 ;; If dates are odd, then it might appear like the
3237 ;; article was sent in the future.
3240 " in the future"))))))
3241 ;; Display the date in proper English
3243 (let ((dtime (decode-time time)))
3246 (number-to-string (nth 3 dtime))
3247 (let ((digit (% (nth 3 dtime) 10)))
3249 ((memq (nth 3 dtime) '(11 12 13)) "th")
3255 (nth (1- (nth 4 dtime)) gnus-english-month-names)
3257 (number-to-string (nth 5 dtime))
3259 (format "%02d" (nth 2 dtime))
3261 (format "%02d" (nth 1 dtime)))))))
3263 (format "Date: %s (from T-gnus)" date))))
3265 (defun article-date-local (&optional highlight)
3266 "Convert the current article date to the local timezone."
3267 (interactive (list t))
3268 (article-date-ut 'local highlight))
3270 (defun article-date-english (&optional highlight)
3271 "Convert the current article date to something that is proper English."
3272 (interactive (list t))
3273 (article-date-ut 'english highlight))
3275 (defun article-date-original (&optional highlight)
3276 "Convert the current article date to what it was originally.
3277 This is only useful if you have used some other date conversion
3278 function and want to see what the date was before converting."
3279 (interactive (list t))
3280 (article-date-ut 'original highlight))
3282 (defun article-date-lapsed (&optional highlight)
3283 "Convert the current article date to time lapsed since it was sent."
3284 (interactive (list t))
3285 (article-date-ut 'lapsed highlight))
3287 (defun article-update-date-lapsed ()
3288 "Function to be run from a timer to update the lapsed time line."
3290 (let (deactivate-mark)
3295 (set-buffer (window-buffer w))
3296 (when (or (and (eq major-mode 'mime-view-mode)
3297 (eq (mime-preview-original-major-mode)
3298 'gnus-original-article-mode))
3299 (eq major-mode 'gnus-article-mode))
3300 (let ((mark (point-marker)))
3301 (goto-char (point-min))
3302 (when (re-search-forward "^X-Sent:" nil t)
3303 (article-date-lapsed t))
3304 (goto-char (marker-position mark))
3305 (move-marker mark nil))))
3308 (defun gnus-start-date-timer (&optional n)
3309 "Start a timer to update the X-Sent header in the article buffers.
3310 The numerical prefix says how frequently (in seconds) the function
3315 (gnus-stop-date-timer)
3316 (setq article-lapsed-timer
3317 (run-at-time 1 n 'article-update-date-lapsed)))
3319 (defun gnus-stop-date-timer ()
3320 "Stop the X-Sent timer."
3322 (when article-lapsed-timer
3323 (nnheader-cancel-timer article-lapsed-timer)
3324 (setq article-lapsed-timer nil)))
3326 (defun article-date-user (&optional highlight)
3327 "Convert the current article date to the user-defined format.
3328 This format is defined by the `gnus-article-time-format' variable."
3329 (interactive (list t))
3330 (article-date-ut 'user highlight))
3332 (defun article-date-iso8601 (&optional highlight)
3333 "Convert the current article date to ISO8601."
3334 (interactive (list t))
3335 (article-date-ut 'iso8601 highlight))
3337 (defmacro gnus-article-save-original-date (&rest forms)
3338 "Save the original date as a text property and evaluate FORMS."
3339 `(let* ((case-fold-search t)
3341 (goto-char (point-min))
3342 (when (and (re-search-forward "^date:[\t\n ]+" nil t)
3345 (date (when (and start
3346 (re-search-forward "[\t ]*\n\\(?:[^\t ]\\|\\'\\)"
3348 (buffer-substring-no-properties start
3349 (match-beginning 0)))))
3350 (goto-char (point-max))
3351 (skip-chars-backward "\n")
3352 (put-text-property (point-min) (point) 'original-date date)
3354 (goto-char (point-max))
3355 (skip-chars-backward "\n")
3356 (put-text-property (point-min) (point) 'original-date date)))
3358 ;; (defun article-show-all ()
3359 ;; "Show all hidden text in the article buffer."
3363 ;; (let ((inhibit-read-only t))
3364 ;; (gnus-article-unhide-text (point-min) (point-max))
3365 ;; (gnus-remove-text-with-property 'gnus-prev)
3366 ;; (gnus-remove-text-with-property 'gnus-next))))
3368 (defun article-show-all-headers ()
3369 "Show all hidden headers in the article buffer."
3374 (article-narrow-to-head)
3375 (let ((inhibit-read-only t))
3376 (gnus-article-unhide-text (point-min) (point-max))))))
3378 (defun article-remove-leading-whitespace ()
3379 "Remove excessive whitespace from all headers."
3383 (let ((inhibit-read-only t))
3384 (article-narrow-to-head)
3385 (goto-char (point-min))
3386 (while (re-search-forward "^[^ :]+: \\([ \t]+\\)" nil t)
3387 (delete-region (match-beginning 1) (match-end 1)))))))
3389 (defun article-emphasize (&optional arg)
3390 "Emphasize text according to `gnus-emphasis-alist'."
3391 (interactive (gnus-article-hidden-arg))
3392 (unless (gnus-article-check-hidden-text 'emphasis arg)
3396 (with-current-buffer gnus-summary-buffer
3397 gnus-article-emphasis-alist)
3399 gnus-emphasis-alist))
3400 (inhibit-read-only t)
3401 (props (append '(article-type emphasis)
3402 gnus-hidden-properties))
3403 regexp elem beg invisible visible face)
3406 (while (setq elem (pop alist))
3408 (setq regexp (car elem)
3409 invisible (nth 1 elem)
3410 visible (nth 2 elem)
3412 (while (re-search-forward regexp nil t)
3413 (when (and (match-beginning visible) (match-beginning invisible))
3414 (gnus-article-hide-text
3415 (match-beginning invisible) (match-end invisible) props)
3416 (gnus-article-unhide-text-type
3417 (match-beginning visible) (match-end visible) 'emphasis)
3418 (gnus-put-overlay-excluding-newlines
3419 (match-beginning visible) (match-end visible) 'face face)
3420 (gnus-add-wash-type 'emphasis)
3421 (goto-char (match-end invisible)))))))))
3423 (defun gnus-article-setup-highlight-words (&optional highlight-words)
3424 "Setup newsgroup emphasis alist."
3425 (unless gnus-article-emphasis-alist
3426 (let ((name (and gnus-newsgroup-name
3427 (gnus-group-real-name gnus-newsgroup-name))))
3428 (make-local-variable 'gnus-article-emphasis-alist)
3429 (setq gnus-article-emphasis-alist
3431 (let ((alist gnus-group-highlight-words-alist) elem highlight)
3432 (while (setq elem (pop alist))
3433 (when (and name (string-match (car elem) name))
3435 highlight (copy-sequence (cdr elem)))))
3437 (copy-sequence highlight-words)
3438 (if gnus-newsgroup-name
3439 (copy-sequence (gnus-group-find-parameter
3440 gnus-newsgroup-name 'highlight-words t)))
3441 gnus-emphasis-alist)))))
3444 (defvar gnus-summary-article-menu)
3445 (defvar gnus-summary-post-menu))
3447 ;;; Saving functions.
3449 (defun gnus-article-save (save-buffer file &optional num)
3450 "Save the currently selected article."
3451 (unless gnus-save-all-headers
3452 ;; Remove headers according to `gnus-saved-headers'.
3453 (let ((gnus-visible-headers
3454 (or gnus-saved-headers gnus-visible-headers))
3455 (gnus-article-buffer save-buffer))
3457 (set-buffer save-buffer)
3458 (article-hide-headers 1 t))))
3459 (save-window-excursion
3460 (if (not gnus-default-article-saver)
3461 (error "No default saver is defined")
3462 ;; !!! Magic! The saving functions all save
3463 ;; `gnus-save-article-buffer' (or so they think), but we
3464 ;; bind that variable to our save-buffer.
3465 (set-buffer gnus-article-buffer)
3466 (let* ((gnus-save-article-buffer save-buffer)
3469 ((not gnus-prompt-before-saving) 'default)
3470 ((eq gnus-prompt-before-saving 'always) nil)
3472 (gnus-number-of-articles-to-be-saved
3473 (when (eq gnus-prompt-before-saving t)
3475 (set-buffer gnus-article-current-summary)
3476 (funcall gnus-default-article-saver filename)))))
3478 (defun gnus-read-save-file-name (prompt &optional filename
3479 function group headers variable)
3481 (funcall function group headers (symbol-value variable)))
3486 ((eq filename 'default)
3492 (let* ((split-name (gnus-get-split-value gnus-split-methods))
3495 (if (and gnus-number-of-articles-to-be-saved
3496 (> gnus-number-of-articles-to-be-saved 1))
3497 (format "these %d articles"
3498 gnus-number-of-articles-to-be-saved)
3501 ;; Let the split methods have their say.
3503 ;; No split name was found.
3506 (concat prompt " (default "
3507 (file-name-nondirectory default-name) "): ")
3508 (file-name-directory default-name)
3510 ;; A single group name is returned.
3511 ((stringp split-name)
3513 (funcall function split-name headers
3514 (symbol-value variable)))
3516 (concat prompt " (default "
3517 (file-name-nondirectory default-name) "): ")
3518 (file-name-directory default-name)
3520 ;; A single split name was found
3521 ((= 1 (length split-name))
3522 (let* ((name (expand-file-name
3524 gnus-article-save-directory))
3525 (dir (cond ((file-directory-p name)
3526 (file-name-as-directory name))
3527 ((file-exists-p name) name)
3528 (t gnus-article-save-directory))))
3530 (concat prompt " (default " name "): ")
3532 ;; A list of splits was found.
3534 (setq split-name (nreverse split-name))
3536 (let ((file-name-history
3537 (nconc split-name file-name-history)))
3541 (concat prompt " (`M-p' for defaults): ")
3542 gnus-article-save-directory
3544 gnus-article-save-directory)))
3545 (car (push result file-name-history)))))))
3546 ;; Create the directory.
3547 (gnus-make-directory (file-name-directory file))
3548 ;; If we have read a directory, we append the default file name.
3549 (when (file-directory-p file)
3550 (setq file (expand-file-name (file-name-nondirectory
3552 (file-name-as-directory file))))
3553 ;; Possibly translate some characters.
3554 (nnheader-translate-file-chars file))))))
3555 (gnus-make-directory (file-name-directory result))
3556 (set variable result)))
3558 (defun gnus-article-archive-name (group)
3559 "Return the first instance of an \"Archive-name\" in the current buffer."
3560 (let ((case-fold-search t))
3561 (when (re-search-forward "archive-name: *\\([^ \n\t]+\\)[ \t]*$" nil t)
3562 (nnheader-concat gnus-article-save-directory
3563 (match-string 1)))))
3565 (defun gnus-article-nndoc-name (group)
3566 "If GROUP is an nndoc group, return the name of the parent group."
3567 (when (eq (car (gnus-find-method-for-group group)) 'nndoc)
3568 (gnus-group-get-parameter group 'save-article-group)))
3570 (defun gnus-summary-save-in-rmail (&optional filename)
3571 "Append this article to Rmail file.
3572 Optional argument FILENAME specifies file name.
3573 Directory to save to is default to `gnus-article-save-directory'."
3574 (setq filename (gnus-read-save-file-name
3575 "Save %s in rmail file" filename
3576 gnus-rmail-save-name gnus-newsgroup-name
3577 gnus-current-headers 'gnus-newsgroup-last-rmail))
3578 (gnus-eval-in-buffer-window gnus-save-article-buffer
3582 (gnus-output-to-rmail filename))))
3585 (defun gnus-summary-save-in-mail (&optional filename)
3586 "Append this article to Unix mail file.
3587 Optional argument FILENAME specifies file name.
3588 Directory to save to is default to `gnus-article-save-directory'."
3589 (setq filename (gnus-read-save-file-name
3590 "Save %s in Unix mail file" filename
3591 gnus-mail-save-name gnus-newsgroup-name
3592 gnus-current-headers 'gnus-newsgroup-last-mail))
3593 (gnus-eval-in-buffer-window gnus-save-article-buffer
3597 (if (and (file-readable-p filename)
3598 (file-regular-p filename)
3599 (mail-file-babyl-p filename))
3600 (rmail-output-to-rmail-file filename t)
3601 (gnus-output-to-mail filename)))))
3604 (defun gnus-summary-save-in-file (&optional filename overwrite)
3605 "Append this article to file.
3606 Optional argument FILENAME specifies file name.
3607 Directory to save to is default to `gnus-article-save-directory'."
3608 (setq filename (gnus-read-save-file-name
3609 "Save %s in file" filename
3610 gnus-file-save-name gnus-newsgroup-name
3611 gnus-current-headers 'gnus-newsgroup-last-file))
3612 (gnus-eval-in-buffer-window gnus-save-article-buffer
3616 (when (and overwrite
3617 (file-exists-p filename))
3618 (delete-file filename))
3619 (gnus-output-to-file filename))))
3622 (defun gnus-summary-write-to-file (&optional filename)
3623 "Write this article to a file, overwriting it if the file exists.
3624 Optional argument FILENAME specifies file name.
3625 The directory to save in defaults to `gnus-article-save-directory'."
3626 (gnus-summary-save-in-file nil t))
3628 (defun gnus-summary-save-body-in-file (&optional filename)
3629 "Append this article body to a file.
3630 Optional argument FILENAME specifies file name.
3631 The directory to save in defaults to `gnus-article-save-directory'."
3632 (setq filename (gnus-read-save-file-name
3633 "Save %s body in file" filename
3634 gnus-file-save-name gnus-newsgroup-name
3635 gnus-current-headers 'gnus-newsgroup-last-file))
3636 (gnus-eval-in-buffer-window gnus-save-article-buffer
3640 (when (article-goto-body)
3641 (narrow-to-region (point) (point-max)))
3642 (gnus-output-to-file filename))))
3645 (defun gnus-summary-save-in-pipe (&optional command)
3646 "Pipe this article to subprocess."
3648 (cond ((and (eq command 'default)
3649 gnus-last-shell-command)
3650 gnus-last-shell-command)
3655 "Shell command on %s: "
3656 (if (and gnus-number-of-articles-to-be-saved
3657 (> gnus-number-of-articles-to-be-saved 1))
3658 (format "these %d articles"
3659 gnus-number-of-articles-to-be-saved)
3661 gnus-last-shell-command))))
3662 (when (string-equal command "")
3663 (if gnus-last-shell-command
3664 (setq command gnus-last-shell-command)
3665 (error "A command is required")))
3666 (gnus-eval-in-buffer-window gnus-article-buffer
3669 (shell-command-on-region (point-min) (point-max) command nil)))
3670 (setq gnus-last-shell-command command))
3672 (defun gnus-summary-pipe-to-muttprint (&optional command)
3673 "Pipe this article to muttprint."
3674 (setq command (read-string
3675 "Print using command: " gnus-summary-muttprint-program
3676 nil gnus-summary-muttprint-program))
3677 (gnus-summary-save-in-pipe command))
3679 ;;; Article file names when saving.
3681 (defun gnus-capitalize-newsgroup (newsgroup)
3682 "Capitalize NEWSGROUP name."
3683 (when (not (zerop (length newsgroup)))
3684 (concat (char-to-string (upcase (aref newsgroup 0)))
3685 (substring newsgroup 1))))
3687 (defun gnus-Numeric-save-name (newsgroup headers &optional last-file)
3688 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3689 If variable `gnus-use-long-file-name' is non-nil, it is ~/News/News.group/num.
3690 Otherwise, it is like ~/News/news/group/num."
3693 (concat (if (gnus-use-long-file-name 'not-save)
3694 (gnus-capitalize-newsgroup newsgroup)
3695 (gnus-newsgroup-directory-form newsgroup))
3696 "/" (int-to-string (mail-header-number headers)))
3697 gnus-article-save-directory)))
3699 (string-equal (file-name-directory default)
3700 (file-name-directory last-file))
3701 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
3703 (or last-file default))))
3705 (defun gnus-numeric-save-name (newsgroup headers &optional last-file)
3706 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3707 If variable `gnus-use-long-file-name' is non-nil, it is
3708 ~/News/news.group/num. Otherwise, it is like ~/News/news/group/num."
3711 (concat (if (gnus-use-long-file-name 'not-save)
3713 (gnus-newsgroup-directory-form newsgroup))
3714 "/" (int-to-string (mail-header-number headers)))
3715 gnus-article-save-directory)))
3717 (string-equal (file-name-directory default)
3718 (file-name-directory last-file))
3719 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
3721 (or last-file default))))
3723 (defun gnus-plain-save-name (newsgroup headers &optional last-file)
3724 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3725 If variable `gnus-use-long-file-name' is non-nil, it is
3726 ~/News/news.group. Otherwise, it is like ~/News/news/group/news."
3729 (if (gnus-use-long-file-name 'not-save)
3732 (expand-file-name "news" (gnus-newsgroup-directory-form newsgroup))
3734 gnus-article-save-directory)))
3736 (defun gnus-sender-save-name (newsgroup headers &optional last-file)
3737 "Generate file name from sender."
3738 (let ((from (mail-header-from headers)))
3740 (if (and from (string-match "\\([^ <]+\\)@" from))
3741 (match-string 1 from)
3743 gnus-article-save-directory)))
3745 (defun article-verify-x-pgp-sig ()
3748 (if (gnus-buffer-live-p gnus-original-article-buffer)
3749 (let ((sig (with-current-buffer gnus-original-article-buffer
3750 (gnus-fetch-field "X-PGP-Sig")))
3754 (mml2015-clear-verify-function))
3756 (insert-buffer-substring gnus-original-article-buffer)
3757 (setq items (split-string sig))
3758 (message-narrow-to-head)
3759 (let ((inhibit-point-motion-hooks t)
3760 (case-fold-search t))
3761 ;; Don't verify multiple headers.
3762 (setq headers (mapconcat (lambda (header)
3764 (mail-fetch-field header)
3766 (split-string (nth 1 items) ",") "")))
3767 (delete-region (point-min) (point-max))
3768 (insert "-----BEGIN PGP SIGNED MESSAGE-----\n\n")
3769 (insert "X-Signed-Headers: " (nth 1 items) "\n")
3774 (if (looking-at "^-")
3777 (insert "\n-----BEGIN PGP SIGNATURE-----\n")
3778 (insert "Version: " (car items) "\n\n")
3779 (insert (mapconcat 'identity (cddr items) "\n"))
3780 (insert "\n-----END PGP SIGNATURE-----\n")
3781 (let ((mm-security-handle (list (format "multipart/signed"))))
3782 (mml2015-clean-buffer)
3783 (let ((coding-system-for-write (or gnus-newsgroup-charset
3785 (funcall (mml2015-clear-verify-function)))
3787 (or (mm-handle-multipart-ctl-parameter
3788 mm-security-handle 'gnus-details)
3789 (mm-handle-multipart-ctl-parameter
3790 mm-security-handle 'gnus-info)))))
3792 (let ((inhibit-read-only t) bface eface)
3794 (message-narrow-to-head)
3795 (goto-char (point-max))
3797 (setq bface (get-text-property (point-at-bol) 'face)
3798 eface (get-text-property (1- (point-at-eol)) 'face))
3799 (message-remove-header "X-Gnus-PGP-Verify")
3800 (if (re-search-forward "^X-PGP-Sig:" nil t)
3802 (goto-char (point-max)))
3803 (narrow-to-region (point) (point))
3804 (insert "X-Gnus-PGP-Verify: " info "\n")
3805 (goto-char (point-min))
3808 (if (not (looking-at "^[ \t]"))
3812 (goto-char (point-min))
3813 (when (looking-at "\\([^:]+\\): *")
3814 (put-text-property (match-beginning 1) (1+ (match-end 1))
3816 (put-text-property (match-end 0) (point-max)
3817 'face eface)))))))))
3819 (defun article-verify-cancel-lock ()
3820 "Verify Cancel-Lock header."
3822 (if (gnus-buffer-live-p gnus-original-article-buffer)
3823 (canlock-verify gnus-original-article-buffer)))
3825 (defun article-monafy ()
3826 "Display body part with mona font."
3828 (unless (if (featurep 'xemacs)
3829 (find-face 'gnus-mona-face)
3830 (facep 'gnus-mona-face))
3831 (require 'navi2ch-mona)
3832 (set-face-font (make-face 'gnus-mona-face) navi2ch-mona-font))
3834 (let ((inhibit-read-only t))
3837 (gnus-make-overlay (point) (point-max))
3838 'face 'gnus-mona-face))))
3845 (setq afunc (car func)
3848 gfunc (intern (format "gnus-%s" func))))
3850 (when (fboundp afunc)
3851 `(lambda (&optional interactive &rest args)
3852 ,(documentation afunc t)
3853 (interactive (list t))
3855 (set-buffer gnus-article-buffer)
3857 (call-interactively ',afunc)
3858 (apply ',afunc args))))))))
3859 '(article-hide-headers
3860 article-verify-x-pgp-sig
3861 article-verify-cancel-lock
3863 article-hide-boring-headers
3864 article-treat-overstrike
3865 article-treat-ansi-sequences
3866 article-fill-long-lines
3867 article-capitalize-sentences
3869 article-remove-leading-whitespace
3870 article-display-x-face
3871 article-display-face
3872 article-de-quoted-unreadable
3873 article-de-base64-unreadable
3876 article-unsplit-urls
3877 article-hide-list-identifiers
3878 article-strip-banner
3881 article-hide-signature
3882 article-strip-headers-in-body
3883 article-remove-trailing-blank-lines
3884 article-strip-leading-blank-lines
3885 article-strip-multiple-blank-lines
3886 article-strip-leading-space
3887 article-strip-trailing-space
3888 article-strip-blank-lines
3889 article-strip-all-blank-lines
3891 article-date-english
3892 article-date-iso8601
3893 article-date-original
3895 article-decode-mime-words
3896 article-decode-charset
3897 article-decode-encoded-words
3901 article-treat-dumbquotes
3902 article-normalize-headers
3903 (article-show-all-headers . gnus-article-show-all-headers)
3904 ;; (article-show-all . gnus-article-show-all)
3908 ;;; Gnus article mode
3911 (put 'gnus-article-mode 'mode-class 'special)
3913 (gnus-define-keys gnus-article-mode-map
3914 " " gnus-article-goto-next-page
3915 "\177" gnus-article-goto-prev-page
3916 [delete] gnus-article-goto-prev-page
3917 [backspace] gnus-article-goto-prev-page
3918 "\C-c^" gnus-article-refer-article
3919 "h" gnus-article-show-summary
3920 "s" gnus-article-show-summary
3921 "\C-c\C-m" gnus-article-mail
3922 "?" gnus-article-describe-briefly
3923 "e" gnus-summary-edit-article
3924 "<" beginning-of-buffer
3926 "\C-c\C-i" gnus-info-find-node
3928 "R" gnus-article-reply-with-original
3929 "F" gnus-article-followup-with-original
3930 "\C-hk" gnus-article-describe-key
3931 "\C-hc" gnus-article-describe-key-briefly
3933 "\C-d" gnus-article-read-summary-keys
3934 "\M-*" gnus-article-read-summary-keys
3935 "\M-#" gnus-article-read-summary-keys
3936 "\M-^" gnus-article-read-summary-keys
3937 "\M-g" gnus-article-read-summary-keys)
3939 ;; Define almost undefined keys to `gnus-article-read-summary-keys'.
3943 (push (char-to-string key) keys)
3945 (dolist (elem (accessible-keymaps gnus-summary-mode-map))
3946 (setq key (car elem))
3947 (when (and (> (length key) 0)
3948 (not (eq 'menu-bar (aref key 0)))
3949 (symbolp (lookup-key gnus-summary-mode-map key)))
3952 (unless (lookup-key gnus-article-mode-map key)
3953 (define-key gnus-article-mode-map key 'gnus-article-read-summary-keys))))
3955 (defun gnus-article-make-menu-bar ()
3956 (unless (boundp 'gnus-article-commands-menu)
3957 (gnus-summary-make-menu-bar))
3958 (gnus-turn-off-edit-menu 'article)
3959 (unless (boundp 'gnus-article-article-menu)
3961 gnus-article-article-menu gnus-article-mode-map ""
3963 ["Scroll forwards" gnus-article-goto-next-page t]
3964 ["Scroll backwards" gnus-article-goto-prev-page t]
3965 ["Show summary" gnus-article-show-summary t]
3966 ["Fetch Message-ID at point" gnus-article-refer-article t]
3967 ["Mail to address at point" gnus-article-mail t]
3968 ["Send a bug report" gnus-bug t]))
3971 gnus-article-treatment-menu gnus-article-mode-map ""
3972 ;; Fixme: this should use :active (and maybe :visible).
3974 ["Hide headers" gnus-article-hide-headers t]
3975 ["Hide signature" gnus-article-hide-signature t]
3976 ["Hide citation" gnus-article-hide-citation t]
3977 ["Treat overstrike" gnus-article-treat-overstrike t]
3978 ["Treat ANSI sequences" gnus-article-treat-ansi-sequences t]
3979 ["Remove carriage return" gnus-article-remove-cr t]
3980 ["Remove leading whitespace" gnus-article-remove-leading-whitespace t]
3981 ["Treat html" gnus-article-wash-html t]
3982 ["Remove newlines from within URLs" gnus-article-unsplit-urls t]
3983 ["Decode HZ" gnus-article-decode-HZ t]))
3985 ;; Note "Commands" menu is defined in gnus-sum.el for consistency
3987 ;; Note "Post" menu is defined in gnus-sum.el for consistency
3989 (gnus-run-hooks 'gnus-article-menu-hook)))
3991 (defun gnus-article-mode ()
3992 "Major mode for displaying an article.
3994 All normal editing commands are switched off.
3996 The following commands are available in addition to all summary mode
3998 \\<gnus-article-mode-map>
3999 \\[gnus-article-next-page]\t Scroll the article one page forwards
4000 \\[gnus-article-prev-page]\t Scroll the article one page backwards
4001 \\[gnus-article-refer-article]\t Go to the article referred to by an article id near point
4002 \\[gnus-article-show-summary]\t Display the summary buffer
4003 \\[gnus-article-mail]\t Send a reply to the address near point
4004 \\[gnus-article-describe-briefly]\t Describe the current mode briefly
4005 \\[gnus-info-find-node]\t Go to the Gnus info node"
4007 (kill-all-local-variables)
4008 (gnus-simplify-mode-line)
4009 (setq mode-name "Article")
4010 (setq major-mode 'gnus-article-mode)
4011 (make-local-variable 'minor-mode-alist)
4012 (unless (assq 'gnus-show-mime minor-mode-alist)
4013 (push (list 'gnus-show-mime " MIME") minor-mode-alist))
4014 (use-local-map gnus-article-mode-map)
4015 (when (gnus-visual-p 'article-menu 'menu)
4016 (gnus-article-make-menu-bar)
4017 (when gnus-summary-tool-bar-map
4018 (set (make-local-variable 'tool-bar-map) gnus-summary-tool-bar-map)))
4019 (gnus-update-format-specifications nil 'article-mode)
4020 (set (make-local-variable 'page-delimiter) gnus-page-delimiter)
4021 (set (make-local-variable 'gnus-page-broken) nil)
4022 (make-local-variable 'gnus-button-marker-list)
4023 (make-local-variable 'gnus-article-current-summary)
4024 (make-local-variable 'gnus-article-mime-handles)
4025 (make-local-variable 'gnus-article-decoded-p)
4026 (make-local-variable 'gnus-article-mime-handle-alist)
4027 (make-local-variable 'gnus-article-wash-types)
4028 (make-local-variable 'gnus-article-image-alist)
4029 (make-local-variable 'gnus-article-charset)
4030 (make-local-variable 'gnus-article-ignored-charsets)
4031 ;; Prevent recent Emacsen from displaying non-break space as "\ ".
4032 (set (make-local-variable 'nobreak-char-display) nil)
4033 (gnus-set-default-directory)
4034 (buffer-disable-undo)
4035 (setq buffer-read-only t
4036 show-trailing-whitespace nil)
4037 (set-syntax-table gnus-article-mode-syntax-table)
4038 (gnus-run-mode-hooks 'gnus-article-mode-hook))
4040 (defun gnus-article-setup-buffer ()
4041 "Initialize the article buffer."
4042 (let* ((name (if gnus-single-article-buffer "*Article*"
4043 (concat "*Article " gnus-newsgroup-name "*")))
4045 (progn (string-match "\\*Article" name)
4046 (concat " *Original Article"
4047 (substring name (match-end 0))))))
4048 (setq gnus-article-buffer name)
4049 (setq gnus-original-article-buffer original)
4050 (setq gnus-article-mime-handle-alist nil)
4051 ;; This might be a variable local to the summary buffer.
4052 (unless gnus-single-article-buffer
4054 (set-buffer gnus-summary-buffer)
4055 (setq gnus-article-buffer name)
4056 (setq gnus-original-article-buffer original)
4057 (gnus-set-global-variables)))
4058 (gnus-article-setup-highlight-words)
4059 ;; Init original article buffer.
4061 (set-buffer (gnus-get-buffer-create gnus-original-article-buffer))
4062 (set-buffer-multibyte t)
4063 (setq major-mode 'gnus-original-article-mode)
4064 (make-local-variable 'gnus-original-article))
4065 (if (and (get-buffer name)
4066 (with-current-buffer name
4067 (if gnus-article-edit-mode
4068 (if (y-or-n-p "Article mode edit in progress; discard? ")
4070 (set-buffer-modified-p nil)
4071 (gnus-kill-buffer name)
4074 (error "Action aborted"))
4078 (set (make-local-variable 'gnus-article-edit-mode) nil)
4079 (buffer-disable-undo)
4080 (setq buffer-read-only t)
4081 ;; This list just keeps growing if we don't reset it.
4082 (setq gnus-button-marker-list nil)
4083 (unless (eq major-mode 'gnus-article-mode)
4084 (gnus-article-mode))
4087 (set-buffer (gnus-get-buffer-create name))
4089 (make-local-variable 'gnus-summary-buffer)
4090 (gnus-summary-set-local-parameters gnus-newsgroup-name)
4091 (current-buffer)))))
4093 ;; Set article window start at LINE, where LINE is the number of lines
4094 ;; from the head of the article.
4095 (defun gnus-article-set-window-start (&optional line)
4097 (gnus-get-buffer-window gnus-article-buffer t)
4099 (set-buffer gnus-article-buffer)
4100 (goto-char (point-min))
4103 (gnus-message 6 "Moved to bookmark")
4104 (search-forward "\n\n" nil t)
4108 ;;; @@ article filters
4111 (defun gnus-article-display-mime-message ()
4112 "Article display method for MIME message."
4113 ;; called from `gnus-original-article-buffer'.
4114 (let (charset all-headers)
4115 (with-current-buffer gnus-summary-buffer
4116 (setq charset default-mime-charset
4117 all-headers gnus-have-all-headers))
4118 (make-local-variable 'default-mime-charset)
4119 (setq default-mime-charset charset)
4120 (with-current-buffer (get-buffer-create gnus-article-buffer)
4121 (make-local-variable 'default-mime-charset)
4122 (setq default-mime-charset charset))
4123 (mime-display-message mime-message-structure
4124 gnus-article-buffer nil gnus-article-mode-map)
4126 (gnus-article-hide-headers nil -1)))
4127 (run-hooks 'gnus-mime-article-prepare-hook))
4129 (defun gnus-article-display-traditional-message ()
4130 "Article display method for traditional message."
4131 (set-buffer gnus-article-buffer)
4132 (let ((inhibit-read-only t))
4134 (insert-buffer-substring gnus-original-article-buffer)))
4136 (defun gnus-article-make-full-mail-header (&optional number charset)
4137 "Create a new mail header structure in a raw article buffer."
4138 (unless (and number charset)
4139 (save-current-buffer
4140 (set-buffer gnus-summary-buffer)
4142 (setq number (or (cdr gnus-article-current) 0)))
4144 (setq charset (or default-mime-charset 'x-ctext)))))
4145 (goto-char (point-min))
4146 (let ((header-end (if (search-forward "\n\n" nil t)
4148 (goto-char (point-max))))
4149 (chars (- (point-max) (point)))
4150 (lines (count-lines (point) (point-max)))
4151 (default-mime-charset charset)
4153 (narrow-to-region (point-min) header-end)
4154 (setq xref (std11-fetch-field "xref"))
4156 (make-full-mail-header
4158 (std11-fetch-field "subject")
4159 (std11-fetch-field "from")
4160 (std11-fetch-field "date")
4161 (std11-fetch-field "message-id")
4162 (std11-fetch-field "references")
4165 (when xref (concat "Xref: " xref)))
4168 (defun gnus-article-prepare (article &optional all-headers header)
4169 "Prepare ARTICLE in article mode buffer.
4170 ARTICLE should either be an article number or a Message-ID.
4171 If ARTICLE is an id, HEADER should be the article headers.
4172 If ALL-HEADERS is non-nil, no headers are hidden."
4174 ;; Make sure we start in a summary buffer.
4175 (unless (eq major-mode 'gnus-summary-mode)
4176 (set-buffer gnus-summary-buffer))
4177 (setq gnus-summary-buffer (current-buffer))
4178 (let* ((gnus-article (if header (mail-header-number header) article))
4179 (summary-buffer (current-buffer))
4180 (gnus-tmp-internal-hook gnus-article-internal-prepare-hook)
4181 (group gnus-newsgroup-name)
4184 (gnus-article-setup-buffer)
4185 (set-buffer gnus-article-buffer)
4186 ;; Deactivate active regions.
4187 (when (and (boundp 'transient-mark-mode)
4188 transient-mark-mode)
4189 (setq mark-active nil))
4190 (if (not (setq result (let ((inhibit-read-only t))
4191 (gnus-request-article-this-buffer
4193 ;; There is no such article.
4195 (when (and (numberp article)
4196 (not (memq article gnus-newsgroup-sparse)))
4197 (setq gnus-article-current
4198 (cons gnus-newsgroup-name article))
4199 (set-buffer gnus-summary-buffer)
4200 (setq gnus-current-article article)
4201 (if (and (memq article gnus-newsgroup-undownloaded)
4202 (not (gnus-online (gnus-find-method-for-group
4203 gnus-newsgroup-name))))
4205 (gnus-summary-set-agent-mark article)
4206 (message "Message marked for downloading"))
4207 (gnus-summary-mark-article article gnus-canceled-mark)
4208 (unless (memq article gnus-newsgroup-sparse)
4209 (gnus-error 1 "No such article (may have expired or been canceled)")))))
4210 (if (or (eq result 'pseudo)
4211 (eq result 'nneething))
4214 (set-buffer summary-buffer)
4215 (push article gnus-newsgroup-history)
4216 (setq gnus-last-article gnus-current-article
4217 gnus-current-article 0
4218 gnus-current-headers nil
4219 gnus-article-current nil)
4220 (if (eq result 'nneething)
4221 (gnus-configure-windows 'summary)
4222 (gnus-configure-windows 'article))
4223 (gnus-set-global-variables))
4224 (let ((gnus-article-mime-handle-alist-1
4225 gnus-article-mime-handle-alist))
4226 (gnus-set-mode-line 'article)))
4227 ;; The result from the `request' was an actual article -
4228 ;; or at least some text that is now displayed in the
4230 (when (and (numberp article)
4231 (not (eq article gnus-current-article)))
4232 ;; Seems like a new article has been selected.
4233 ;; `gnus-current-article' must be an article number.
4235 (set-buffer summary-buffer)
4236 (push article gnus-newsgroup-history)
4237 (setq gnus-last-article gnus-current-article
4238 gnus-current-article article
4239 gnus-current-headers
4240 (gnus-summary-article-header gnus-current-article)
4241 gnus-article-current
4242 (cons gnus-newsgroup-name gnus-current-article))
4243 (unless (vectorp gnus-current-headers)
4244 (setq gnus-current-headers nil))
4245 (gnus-summary-goto-subject gnus-current-article)
4246 (when (gnus-summary-show-thread)
4247 ;; If the summary buffer really was folded, the
4248 ;; previous goto may not actually have gone to
4249 ;; the right article, but the thread root instead.
4251 (gnus-summary-goto-subject gnus-current-article))
4252 (gnus-run-hooks 'gnus-mark-article-hook)
4253 (gnus-set-mode-line 'summary)
4254 (when (gnus-visual-p 'article-highlight 'highlight)
4255 (gnus-run-hooks 'gnus-visual-mark-article-hook))
4256 ;; Set the global newsgroup variables here.
4257 (gnus-set-global-variables)
4258 (setq gnus-have-all-headers
4259 (or all-headers gnus-show-all-headers))))
4261 (gnus-configure-windows 'article))
4262 (when (or (numberp article)
4264 (gnus-article-prepare-display)
4266 (goto-char (point-min))
4267 (when gnus-break-pages
4268 (gnus-narrow-to-page)))
4269 (let ((gnus-article-mime-handle-alist-1
4270 gnus-article-mime-handle-alist))
4271 (gnus-set-mode-line 'article))
4275 (set-window-point (get-buffer-window (current-buffer)) (point))
4276 (gnus-configure-windows 'article)
4279 (defun gnus-article-prepare-mime-display (&optional number)
4280 (goto-char (point-min))
4281 (when (re-search-forward "^[^\t ]+:" nil t)
4282 (goto-char (match-beginning 0)))
4283 (let ((entity (if (eq 1 (point-min))
4284 (get-text-property 1 'mime-view-entity)
4285 (get-text-property (point) 'mime-view-entity)))
4286 last-entity child-entity next type)
4287 (setq child-entity (mime-entity-children entity))
4289 (setq last-entity (nth (1- (length child-entity))
4291 (setq last-entity entity))
4293 (narrow-to-region (point)
4294 (if (search-forward "\n\n" nil t)
4297 (gnus-article-save-original-date (gnus-treat-article 'head))
4298 (put-text-property (point-min) (point-max) 'article-treated-header t)
4299 (goto-char (point-max)))
4300 (while (and (not (eobp)) entity)
4301 (setq next (set-marker
4303 (next-single-property-change (point) 'mime-view-entity
4305 (let ((types (mime-entity-content-type entity)))
4306 (while (eq 'multipart (mime-content-type-primary-type types))
4307 (setq entity (car (mime-entity-children entity))
4308 types (mime-entity-content-type entity)))
4310 (setq type (format "%s/%s"
4311 (mime-content-type-primary-type types)
4312 (mime-content-type-subtype types)))))
4313 (if (string-equal type "message/rfc822")
4316 (let ((children (mime-entity-children entity))
4319 (setq last-children (nth (1- (length children)) children))
4322 (not (eq last-children
4323 (get-text-property next 'mime-view-entity)))
4325 (next-single-property-change next
4327 nil (point-max)))))))
4328 (setq next (next-single-property-change next 'mime-view-entity
4331 (narrow-to-region (point) next)
4332 (gnus-article-prepare-mime-display)
4333 (goto-char (point-max)))
4334 (setq entity (get-text-property (point) 'mime-view-entity)))
4336 (narrow-to-region (point) next)
4337 ;; Kludge. We have to count true number, but for now,
4338 ;; part number is here only to achieve `last'.
4339 (gnus-treat-article nil 1
4340 (if (eq entity last-entity)
4343 (goto-char (point-max)))
4344 (setq entity (get-text-property next 'mime-view-entity))))))
4347 (defun gnus-article-prepare-display ()
4348 "Make the current buffer look like a nice article."
4349 (let ((gnus-article-buffer (current-buffer))
4351 (inhibit-read-only t))
4352 (unless (eq major-mode 'gnus-article-mode)
4353 (gnus-article-mode))
4354 (setq buffer-read-only nil
4355 gnus-button-marker-list nil
4356 gnus-article-wash-types nil
4357 gnus-article-image-alist nil)
4360 (static-if (featurep 'xemacs)
4361 (map-extents (lambda (extent maparg) (delete-extent extent)))
4362 (let ((lists (overlay-lists)))
4363 (dolist (overlay (nconc (car lists) (cdr lists)))
4364 (delete-overlay overlay)))))
4365 (gnus-run-hooks 'gnus-tmp-internal-hook))
4366 (let ((show-mime (unless (member gnus-newsgroup-name '("nndraft:delayed"
4369 (inhibit-read-only t))
4370 (set-buffer gnus-original-article-buffer)
4372 (setq mime-message-structure gnus-current-headers)
4373 (mime-buffer-entity-set-buffer-internal mime-message-structure
4374 gnus-original-article-buffer)
4375 (mime-entity-set-representation-type-internal mime-message-structure
4376 'mime-buffer-entity)
4377 (luna-send mime-message-structure 'initialize-instance
4378 mime-message-structure)
4380 (let (mime-display-header-hook mime-display-text/plain-hook)
4381 (funcall gnus-article-display-method-for-mime))
4382 (funcall gnus-article-display-method-for-traditional))
4383 ;; Call the treatment functions.
4387 (gnus-article-prepare-mime-display)
4388 (narrow-to-region (goto-char (point-min))
4389 (if (search-forward "\n\n" nil t)
4392 (gnus-article-save-original-date (gnus-treat-article 'head))
4393 (put-text-property (point-min) (point-max) 'article-treated-header t)
4394 (goto-char (point-max))
4396 (narrow-to-region (point) (point-max))
4397 (gnus-treat-article nil))
4398 (put-text-property (point-min) (point-max) 'read-only nil)))
4399 (gnus-run-hooks 'gnus-article-prepare-hook))
4401 (defun gnus-article-decode-article-as-default-mime-charset ()
4402 "Decode an article as `default-mime-charset'. It won't work if the
4403 value of the variable `gnus-show-mime' is non-nil."
4404 (unless (or gnus-show-mime
4405 (member gnus-newsgroup-name '("nndraft:delayed"
4407 (set (make-local-variable 'default-mime-charset)
4408 (with-current-buffer gnus-summary-buffer
4409 default-mime-charset))
4410 (decode-mime-charset-region (point-min) (point-max)
4411 default-mime-charset)))
4414 ;;; Gnus MIME viewing functions
4417 (defvar gnus-mime-button-line-format "%{%([%p. %d%T]%)%}%e\n"
4418 "Format of the MIME buttons.
4420 Valid specifiers include:
4422 %T MIME type, along with additional info
4423 %n The `name' parameter
4424 %d The description, if any
4425 %l The length of the encoded part
4426 %p The part identifier number
4427 %e Dots if the part isn't displayed
4429 General format specifiers can also be used. See Info node
4430 `(gnus)Formatting Variables'.")
4432 (defvar gnus-mime-button-line-format-alist
4433 '((?t gnus-tmp-type ?s)
4434 (?T gnus-tmp-type-long ?s)
4435 (?n gnus-tmp-name ?s)
4436 (?d gnus-tmp-description ?s)
4438 (?l gnus-tmp-length ?d)
4439 (?e gnus-tmp-dots ?s)))
4441 (defvar gnus-mime-button-commands
4442 '((gnus-article-press-button "\r" "Toggle Display")
4443 (gnus-mime-view-part "v" "View Interactively...")
4444 (gnus-mime-view-part-as-type "t" "View As Type...")
4445 (gnus-mime-view-part-as-charset "C" "View As charset...")
4446 (gnus-mime-save-part "o" "Save...")
4447 (gnus-mime-save-part-and-strip "\C-o" "Save and Strip")
4448 (gnus-mime-replace-part "r" "Replace part")
4449 (gnus-mime-delete-part "d" "Delete part")
4450 (gnus-mime-copy-part "c" "View As Text, In Other Buffer")
4451 (gnus-mime-inline-part "i" "View As Text, In This Buffer")
4452 (gnus-mime-view-part-internally "E" "View Internally") ;; Why `E'?
4453 (gnus-mime-view-part-externally "e" "View Externally")
4454 (gnus-mime-print-part "p" "Print")
4455 (gnus-mime-pipe-part "|" "Pipe To Command...")
4456 (gnus-mime-action-on-part "." "Take action on the part...")))
4458 (defun gnus-article-mime-part-status ()
4459 (with-current-buffer gnus-article-buffer
4460 (let ((entity (get-text-property (point-min) 'mime-view-entity))
4463 (setq children (mime-entity-children entity))
4464 (setq children (length children)))
4467 (format " (%d parts)" children))
4470 (defvar gnus-mime-button-map
4471 (let ((map (make-sparse-keymap)))
4472 (define-key map gnus-mouse-2 'gnus-article-push-button)
4473 (define-key map gnus-down-mouse-3 'gnus-mime-button-menu)
4474 (dolist (c gnus-mime-button-commands)
4475 (define-key map (cadr c) (car c)))
4479 gnus-mime-button-menu gnus-mime-button-map "MIME button menu."
4481 ,@(mapcar (lambda (c)
4482 (vector (caddr c) (car c) :enable t))
4483 gnus-mime-button-commands)))
4485 (defun gnus-mime-button-menu (event prefix)
4486 "Construct a context-sensitive menu of MIME commands."
4487 (interactive "e\nP")
4488 (save-window-excursion
4489 (let ((pos (event-start event)))
4490 (select-window (posn-window pos))
4491 (goto-char (posn-point pos))
4492 (gnus-article-check-buffer)
4493 (popup-menu gnus-mime-button-menu nil prefix))))
4495 (defun gnus-mime-view-all-parts (&optional handles)
4496 "View all the MIME parts."
4498 (with-current-buffer gnus-article-buffer
4499 (let ((handles (or handles gnus-article-mime-handles))
4500 (mail-parse-charset gnus-newsgroup-charset)
4501 (mail-parse-ignored-charsets
4502 (with-current-buffer gnus-summary-buffer
4503 gnus-newsgroup-ignored-charsets)))
4505 (mm-remove-parts handles)
4506 (goto-char (point-min))
4507 (or (search-forward "\n\n") (goto-char (point-max)))
4508 (let ((inhibit-read-only t))
4509 (delete-region (point) (point-max))
4510 (mm-display-parts handles))))))
4512 (defun gnus-article-jump-to-part (n)
4513 "Jump to MIME part N."
4515 (pop-to-buffer gnus-article-buffer)
4516 ;; FIXME: why is it necessary?
4518 (let ((parts (length gnus-article-mime-handle-alist)))
4521 (read-string ;; Emacs 21 doesn't have `read-number'.
4522 (format "Jump to part (2..%s): " parts)))))
4523 (unless (and (integerp n) (<= n parts) (>= n 1))
4526 (gnus-message 7 "Invalid part `%s', using %s instead."
4529 (gnus-message 9 "Jumping to part %s." n)
4530 (cond ((>= gnus-auto-select-part 1)
4531 (while (and (<= n parts)
4532 (not (gnus-article-goto-part n)))
4534 ((< gnus-auto-select-part 0)
4535 (while (and (>= n 1)
4536 (not (gnus-article-goto-part n)))
4539 (gnus-article-goto-part n)))))
4542 (defsubst gnus-article-edit-part (handles &optional current-id)
4543 "Edit an article in order to delete a mime part.
4544 This function is exclusively used by `gnus-mime-save-part-and-strip'
4545 and `gnus-mime-delete-part', and not provided at run-time normally."
4546 (gnus-article-edit-article
4548 (buffer-disable-undo)
4550 (let ((mail-parse-charset (or gnus-article-charset
4551 ',gnus-newsgroup-charset))
4552 (mail-parse-ignored-charsets
4553 (or gnus-article-ignored-charsets
4554 ',gnus-newsgroup-ignored-charsets))
4555 (mbl mml-buffer-list))
4556 (setq mml-buffer-list nil)
4557 (insert-buffer-substring gnus-original-article-buffer)
4558 (mime-to-mml ',handles)
4559 (setq gnus-article-mime-handles nil)
4560 (let ((mbl1 mml-buffer-list))
4561 (setq mml-buffer-list mbl)
4562 (set (make-local-variable 'mml-buffer-list) mbl1))
4563 (gnus-make-local-hook 'kill-buffer-hook)
4564 (add-hook 'kill-buffer-hook 'mml-destroy-buffers t t)))
4565 `(lambda (no-highlight)
4566 (let ((mail-parse-charset (or gnus-article-charset
4567 ',gnus-newsgroup-charset))
4568 (message-options message-options)
4569 (message-options-set-recipient)
4570 (mail-parse-ignored-charsets
4571 (or gnus-article-ignored-charsets
4572 ',gnus-newsgroup-ignored-charsets)))
4574 (mml-destroy-buffers)
4575 (remove-hook 'kill-buffer-hook
4576 'mml-destroy-buffers t)
4577 (kill-local-variable 'mml-buffer-list))
4578 (gnus-summary-edit-article-done
4579 ,(or (mail-header-references gnus-current-headers) "")
4580 ,(gnus-group-read-only-p)
4581 ,gnus-summary-buffer no-highlight))
4583 (gnus-article-edit-done)
4584 (gnus-summary-expand-window)
4585 (gnus-summary-show-article)
4586 (when (and current-id (integerp gnus-auto-select-part))
4587 (gnus-article-jump-to-part
4588 (+ current-id gnus-auto-select-part)))))
4590 (defun gnus-mime-replace-part (file)
4591 "Replace MIME part under point with an external body."
4592 ;; Useful if file has already been saved to disk
4596 (read-file-name "Replace MIME part with file: "
4597 (or mm-default-directory default-directory)
4599 (gnus-mime-save-part-and-strip file))
4601 (defun gnus-mime-save-part-and-strip (&optional file)
4602 "Save the MIME part under point then replace it with an external body.
4603 If FILE is given, use it for the external part."
4605 (gnus-article-check-buffer)
4606 (when (gnus-group-read-only-p)
4607 (error "The current group does not support deleting of parts"))
4608 (when (mm-complicated-handles gnus-article-mime-handles)
4610 The current article has a complicated MIME structure, giving up..."))
4611 (let* ((data (get-text-property (point) 'gnus-data))
4612 (id (get-text-property (point) 'gnus-part))
4614 (handles gnus-article-mime-handles))
4617 (and data (mm-save-part data "Delete MIME part and save to: "))))
4619 (with-current-buffer (mm-handle-buffer data)
4621 (insert "Content-Type: " (mm-handle-media-type data))
4622 (mml-insert-parameter-string (cdr (mm-handle-type data))
4625 (insert "Content-ID: " (message-make-message-id) "\n")
4626 (insert "Content-Transfer-Encoding: binary\n")
4629 (cdr (mm-make-handle nil
4630 `("message/external-body"
4631 (access-type . "LOCAL-FILE")
4633 ;; (set-buffer gnus-summary-buffer)
4634 (gnus-article-edit-part handles id))))
4636 ;; A function like `gnus-summary-save-parts' (`X m', `<MIME> <Extract all
4637 ;; parts...>') but with stripping would be nice.
4639 (defun gnus-mime-delete-part ()
4640 "Delete the MIME part under point.
4641 Replace it with some information about the removed part."
4643 (gnus-article-check-buffer)
4644 (when (gnus-group-read-only-p)
4645 (error "The current group does not support deleting of parts"))
4646 (when (mm-complicated-handles gnus-article-mime-handles)
4648 The current article has a complicated MIME structure, giving up..."))
4649 (when (or gnus-expert-user
4650 (gnus-yes-or-no-p "\
4651 Deleting parts may malfunction or destroy the article; continue? "))
4652 (let* ((data (get-text-property (point) 'gnus-data))
4653 (id (get-text-property (point) 'gnus-part))
4654 (handles gnus-article-mime-handles)
4658 (mail-decode-encoded-word-string (or (mm-handle-description data)
4661 (or (mail-content-type-get (mm-handle-disposition data) 'filename)
4663 (type (mm-handle-media-type data)))
4665 (error "No MIME part under point"))
4666 (with-current-buffer (mm-handle-buffer data)
4667 (let ((bsize (format "%s" (buffer-size))))
4672 "| The following attachment has been deleted:\n"
4674 "| Type: " type "\n"
4675 "| Filename: " filename "\n"
4676 "| Size (encoded): " bsize " Byte\n"
4677 "| Description: " description "\n"
4680 (cdr (mm-make-handle
4681 nil `("text/plain") nil nil
4683 (format "Deleted attachment (%s bytes)" bsize))))))
4684 ;; (set-buffer gnus-summary-buffer)
4685 (gnus-article-edit-part handles id))))
4687 (defun gnus-mime-save-part ()
4688 "Save the MIME part under point."
4690 (gnus-article-check-buffer)
4691 (let ((data (get-text-property (point) 'gnus-data)))
4693 (mm-save-part data))))
4695 (defun gnus-mime-pipe-part ()
4696 "Pipe the MIME part under point to a process."
4698 (gnus-article-check-buffer)
4699 (let ((data (get-text-property (point) 'gnus-data)))
4701 (mm-pipe-part data))))
4703 (defun gnus-mime-view-part ()
4704 "Interactively choose a viewing method for the MIME part under point."
4706 (gnus-article-check-buffer)
4707 (let ((data (get-text-property (point) 'gnus-data)))
4709 (setq gnus-article-mime-handles
4711 gnus-article-mime-handles (setq data (copy-sequence data))))
4712 (mm-interactively-view-part data))))
4714 (defun gnus-mime-view-part-as-type-internal ()
4715 (gnus-article-check-buffer)
4716 (let* ((handle (get-text-property (point) 'gnus-data))
4718 ;; Content-Type: foo/bar; name=...
4719 (mail-content-type-get (mm-handle-type handle) 'name)
4720 ;; Content-Disposition: attachment; filename=...
4721 (cdr (assq 'filename (cdr (mm-handle-disposition handle))))))
4722 (def-type (and name (mm-default-file-encoding name))))
4723 (and def-type (cons def-type 0))))
4725 (defun gnus-mime-view-part-as-type (&optional mime-type)
4726 "Choose a MIME media type, and view the part as such."
4730 (let ((default (gnus-mime-view-part-as-type-internal)))
4732 (format "View as MIME type (default %s): "
4734 (mapcar #'list (mailcap-mime-types))
4737 (gnus-article-check-buffer)
4738 (let ((handle (get-text-property (point) 'gnus-data)))
4741 (mm-make-handle (mm-handle-buffer handle)
4742 (cons mime-type (cdr (mm-handle-type handle)))
4743 (mm-handle-encoding handle)
4744 (mm-handle-undisplayer handle)
4745 (mm-handle-disposition handle)
4746 (mm-handle-description handle)
4748 (mm-handle-id handle)))
4749 (setq gnus-article-mime-handles
4750 (mm-merge-handles gnus-article-mime-handles handle))
4751 (gnus-mm-display-part handle))))
4753 (defun gnus-mime-copy-part (&optional handle arg)
4754 "Put the MIME part under point into a new buffer.
4755 If `auto-compression-mode' is enabled, compressed files like .gz and .bz2
4757 (interactive (list nil current-prefix-arg))
4758 (gnus-article-check-buffer)
4760 (setq handle (get-text-property (point) 'gnus-data)))
4762 (let ((filename (or (mail-content-type-get (mm-handle-disposition handle)
4764 (mail-content-type-get (mm-handle-disposition handle)
4766 contents dont-decode charset coding-system)
4767 (mm-with-unibyte-buffer
4768 (mm-insert-part handle)
4769 (setq contents (or (condition-case nil
4770 (mm-decompress-buffer filename nil 'sig)
4772 (setq dont-decode t)
4775 (setq filename (cond (filename (file-name-nondirectory filename))
4776 (dont-decode "*raw data*")
4781 (unless (setq charset (mail-content-type-get
4782 (mm-handle-type handle) 'charset))
4783 (unless (setq coding-system (mm-with-unibyte-buffer
4785 (mm-find-buffer-file-coding-system)))
4786 (setq charset gnus-newsgroup-charset))))
4788 (setq charset (or (cdr (assq arg
4789 gnus-summary-show-article-charset-alist))
4790 (mm-read-coding-system "Charset: ")))))
4791 (switch-to-buffer (generate-new-buffer filename))
4792 (if (or coding-system
4794 (setq coding-system (mm-charset-to-coding-system charset))
4795 (not (eq charset 'ascii))))
4797 (mm-enable-multibyte)
4798 (insert (mm-decode-coding-string contents coding-system))
4799 (setq buffer-file-coding-system
4800 (if (boundp 'last-coding-system-used)
4801 (symbol-value 'last-coding-system-used)
4803 (mm-disable-multibyte)
4805 (setq buffer-file-coding-system mm-binary-coding-system))
4806 ;; We do it this way to make `normal-mode' set the appropriate mode.
4809 (setq buffer-file-name (expand-file-name filename))
4811 (setq buffer-file-name nil))
4812 (goto-char (point-min)))))
4814 (defun gnus-mime-print-part (&optional handle filename)
4815 "Print the MIME part under point."
4816 (interactive (list nil (ps-print-preprint current-prefix-arg)))
4817 (gnus-article-check-buffer)
4818 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4819 (contents (and handle (mm-get-part handle)))
4820 (file (mm-make-temp-file (expand-file-name "mm." mm-tmp-directory)))
4821 (printer (mailcap-mime-info (mm-handle-media-type handle) "print")))
4826 (mm-save-part-to-file handle file)
4827 (call-process shell-file-name nil
4828 (generate-new-buffer " *mm*")
4830 shell-command-switch
4832 printer file (mm-handle-type handle))))
4836 (gnus-print-buffer))
4837 (ps-despool filename)))))
4839 (defun gnus-mime-inline-part (&optional handle arg)
4840 "Insert the MIME part under point into the current buffer.
4841 Compressed files like .gz and .bz2 are decompressed."
4842 (interactive (list nil current-prefix-arg))
4843 (gnus-article-check-buffer)
4845 (setq handle (get-text-property (point) 'gnus-data)))
4848 (inhibit-read-only t)
4849 contents charset coding-system)
4850 (if (and (not arg) (mm-handle-undisplayer handle))
4851 (mm-remove-part handle)
4852 (mm-with-unibyte-buffer
4853 (mm-insert-part handle)
4855 (or (mm-decompress-buffer
4856 (or (mail-content-type-get (mm-handle-disposition handle)
4858 (mail-content-type-get (mm-handle-disposition handle)
4864 (unless (setq charset (mail-content-type-get
4865 (mm-handle-type handle) 'charset))
4866 (unless (setq coding-system
4867 (mm-with-unibyte-buffer
4869 (mm-find-buffer-file-coding-system)))
4870 (setq charset gnus-newsgroup-charset))))
4872 (if (mm-handle-undisplayer handle)
4873 (mm-remove-part handle))
4876 gnus-summary-show-article-charset-alist))
4877 (mm-read-coding-system "Charset: "))))
4879 (if (mm-handle-undisplayer handle)
4880 (mm-remove-part handle))))
4884 (if (or coding-system
4887 (mm-charset-to-coding-system charset))
4888 (not (eq coding-system 'ascii))))
4889 (mm-decode-coding-string contents coding-system)
4890 (mm-string-to-multibyte contents)))
4893 (defun gnus-mime-view-part-as-charset (&optional handle arg)
4894 "Insert the MIME part under point into the current buffer using the
4896 (interactive (list nil current-prefix-arg))
4897 (gnus-article-check-buffer)
4898 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4901 (inhibit-read-only t))
4903 (if (mm-handle-undisplayer handle)
4904 (mm-remove-part handle))
4905 (let ((gnus-newsgroup-charset
4907 gnus-summary-show-article-charset-alist))
4908 (mm-read-coding-system "Charset: ")))
4909 (gnus-newsgroup-ignored-charsets 'gnus-all))
4910 (gnus-article-press-button)))))
4912 (defun gnus-mime-view-part-externally (&optional handle)
4913 "View the MIME part under point with an external viewer."
4915 (gnus-article-check-buffer)
4916 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4917 (mm-user-display-methods nil)
4918 (mm-inlined-types nil)
4919 (mail-parse-charset gnus-newsgroup-charset)
4920 (mail-parse-ignored-charsets
4921 (with-current-buffer gnus-summary-buffer
4922 gnus-newsgroup-ignored-charsets)))
4924 (if (mm-handle-undisplayer handle)
4925 (mm-remove-part handle)
4926 (mm-display-part handle)))))
4928 (defun gnus-mime-view-part-internally (&optional handle)
4929 "View the MIME part under point with an internal viewer.
4930 If no internal viewer is available, use an external viewer."
4932 (gnus-article-check-buffer)
4933 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4934 (mm-inlined-types '(".*"))
4935 (mm-inline-large-images t)
4936 (mail-parse-charset gnus-newsgroup-charset)
4937 (mail-parse-ignored-charsets
4938 (with-current-buffer gnus-summary-buffer
4939 gnus-newsgroup-ignored-charsets))
4940 (inhibit-read-only t))
4942 (if (mm-handle-undisplayer handle)
4943 (mm-remove-part handle)
4944 (mm-display-part handle)))))
4946 (defun gnus-mime-action-on-part (&optional action)
4947 "Do something with the MIME attachment at \(point\)."
4949 (list (completing-read "Action: " gnus-mime-action-alist nil t)))
4950 (gnus-article-check-buffer)
4951 (let ((action-pair (assoc action gnus-mime-action-alist)))
4953 (funcall (cdr action-pair)))))
4955 (defun gnus-article-part-wrapper (n function &optional no-handle interactive)
4956 "Call FUNCTION on MIME part N.
4957 Unless NO-HANDLE, call FUNCTION with N-th MIME handle as it's only argument.
4958 If INTERACTIVE, call FUNCTION interactivly."
4960 ;; Check whether the article is displayed.
4961 (unless (and (gnus-buffer-live-p gnus-article-buffer)
4962 (setq window (get-buffer-window gnus-article-buffer t))
4963 (frame-visible-p (setq frame (window-frame window))))
4964 (error "No article is displayed"))
4965 (with-current-buffer gnus-article-buffer
4966 ;; Check whether the article displays the right contents.
4967 (unless (with-current-buffer gnus-summary-buffer
4968 (eq gnus-current-article (gnus-summary-article-number)))
4969 (error "You should select the right article first"))
4970 ;; Check whether the specified part exists.
4971 (when (> n (length gnus-article-mime-handle-alist))
4972 (error "No such part")))
4975 ;; To select the window is needed so that the cursor
4976 ;; might be visible on the MIME button.
4977 (select-window (prog1
4979 (setq window (selected-window))
4980 ;; Article may be displayed in the other frame.
4981 (gnus-select-frame-set-input-focus
4984 (setq frame (selected-frame))))))
4985 (when (gnus-article-goto-part n)
4986 ;; We point the cursor and the arrow at the MIME button
4987 ;; when the `function' prompt the user for something.
4988 (let ((cursor-in-non-selected-windows t)
4989 (overlay-arrow-string "=>")
4990 (overlay-arrow-position (point-marker)))
4993 ((and no-handle interactive)
4994 (call-interactively function))
5000 (cdr (assq n gnus-article-mime-handle-alist))))
5003 (cdr (assq n gnus-article-mime-handle-alist)))))
5004 (set-marker overlay-arrow-position nil)
5005 (unless gnus-auto-select-part
5006 (gnus-select-frame-set-input-focus frame)
5007 (select-window window))))
5009 (if gnus-inhibit-mime-unbuttonizing
5010 ;; This is the default though the program shouldn't reach here.
5011 (error "No such part")
5012 ;; The part which doesn't have the MIME button is selected.
5013 ;; So, we display all the buttons and redo it.
5014 (let ((gnus-inhibit-mime-unbuttonizing t))
5015 (gnus-summary-show-article)
5016 (gnus-article-part-wrapper n function no-handle))))))
5018 (defun gnus-article-pipe-part (n)
5019 "Pipe MIME part N, which is the numerical prefix."
5021 (gnus-article-part-wrapper n 'mm-pipe-part))
5023 (defun gnus-article-save-part (n)
5024 "Save MIME part N, which is the numerical prefix."
5026 (gnus-article-part-wrapper n 'mm-save-part))
5028 (defun gnus-article-interactively-view-part (n)
5029 "View MIME part N interactively, which is the numerical prefix."
5031 (gnus-article-part-wrapper n 'mm-interactively-view-part))
5033 (defun gnus-article-copy-part (n)
5034 "Copy MIME part N, which is the numerical prefix."
5036 (gnus-article-part-wrapper n 'gnus-mime-copy-part))
5038 (defun gnus-article-view-part-as-charset (n)
5039 "View MIME part N using a specified charset.
5040 N is the numerical prefix."
5042 (gnus-article-part-wrapper n 'gnus-mime-view-part-as-charset))
5044 (defun gnus-article-view-part-externally (n)
5045 "View MIME part N externally, which is the numerical prefix."
5047 (gnus-article-part-wrapper n 'gnus-mime-view-part-externally))
5049 (defun gnus-article-inline-part (n)
5050 "Inline MIME part N, which is the numerical prefix."
5052 (gnus-article-part-wrapper n 'gnus-mime-inline-part))
5054 (defun gnus-article-save-part-and-strip (n)
5055 "Save MIME part N and replace it with an external body.
5056 N is the numerical prefix."
5058 (gnus-article-part-wrapper n 'gnus-mime-save-part-and-strip t))
5060 (defun gnus-article-replace-part (n)
5061 "Replace MIME part N with an external body.
5062 N is the numerical prefix."
5064 (gnus-article-part-wrapper n 'gnus-mime-replace-part t t))
5066 (defun gnus-article-delete-part (n)
5067 "Delete MIME part N and add some information about the removed part.
5068 N is the numerical prefix."
5070 (gnus-article-part-wrapper n 'gnus-mime-delete-part t))
5072 (defun gnus-article-mime-match-handle-first (condition)
5075 (dolist (ihandle gnus-article-mime-handle-alist)
5077 ((functionp condition)
5078 (funcall condition (cdr ihandle)))
5079 ((eq condition 'undisplayed)
5080 (not (or (mm-handle-undisplayer (cdr ihandle))
5081 (equal (mm-handle-media-type (cdr ihandle))
5082 "multipart/alternative"))))
5083 ((eq condition 'undisplayed-alternative)
5084 (not (mm-handle-undisplayer (cdr ihandle))))
5086 (gnus-article-goto-part (car ihandle))
5087 (or (not n) (< (car ihandle) n)))
5088 (setq n (car ihandle))))
5092 (defun gnus-article-view-part (&optional n)
5093 "View MIME part N, which is the numerical prefix."
5095 (with-current-buffer gnus-article-buffer
5096 (or (numberp n) (setq n (gnus-article-mime-match-handle-first
5097 gnus-article-mime-match-handle-function)))
5098 (when (> n (length gnus-article-mime-handle-alist))
5099 (error "No such part"))
5100 (let ((handle (cdr (assq n gnus-article-mime-handle-alist))))
5101 (when (gnus-article-goto-part n)
5102 (if (equal (car handle) "multipart/alternative")
5103 (gnus-article-press-button)
5104 (when (eq (gnus-mm-display-part handle) 'internal)
5105 (gnus-set-window-start)))))))
5107 (defsubst gnus-article-mime-total-parts ()
5108 (if (bufferp (car gnus-article-mime-handles))
5110 (1- (length gnus-article-mime-handles))))
5112 (defun gnus-mm-display-part (handle)
5113 "Display HANDLE and fix MIME button."
5114 (let ((id (get-text-property (point) 'gnus-part))
5116 (inhibit-read-only t))
5119 (let ((window (selected-window))
5120 (mail-parse-charset gnus-newsgroup-charset)
5121 (mail-parse-ignored-charsets
5122 (if (gnus-buffer-live-p gnus-summary-buffer)
5123 (with-current-buffer gnus-summary-buffer
5124 gnus-newsgroup-ignored-charsets)
5128 (let ((win (gnus-get-buffer-window (current-buffer) t))
5131 (select-window win))
5134 (if (mm-handle-displayed-p handle)
5135 ;; This will remove the part.
5136 (mm-display-part handle)
5138 (narrow-to-region (point)
5139 (if (eobp) (point) (1+ (point))))
5140 (mm-display-part handle)
5141 ;; We narrow to the part itself and
5142 ;; then call the treatment functions.
5143 (goto-char (point-min))
5145 (narrow-to-region (point) (point-max))
5148 (gnus-article-mime-total-parts)
5149 (mm-handle-media-type handle)))))
5150 (if (window-live-p window)
5151 (select-window window)))))
5154 (gnus-insert-mime-button
5155 handle id (list (mm-handle-displayed-p handle)))
5156 (goto-char point))))
5158 (defun gnus-article-goto-part (n)
5159 "Go to MIME part N."
5160 (gnus-goto-char (text-property-any (point-min) (point-max) 'gnus-part n)))
5162 (defun gnus-insert-mime-button (handle gnus-tmp-id &optional displayed)
5163 (let ((gnus-tmp-name
5164 (or (mail-content-type-get (mm-handle-type handle) 'name)
5165 (mail-content-type-get (mm-handle-disposition handle) 'filename)
5166 (mail-content-type-get (mm-handle-type handle) 'url)
5168 (gnus-tmp-type (mm-handle-media-type handle))
5169 (gnus-tmp-description
5170 (mail-decode-encoded-word-string (or (mm-handle-description handle)
5173 (if (if displayed (car displayed)
5174 (mm-handle-displayed-p handle))
5176 (gnus-tmp-length (with-current-buffer (mm-handle-buffer handle)
5178 gnus-tmp-type-long b e)
5179 (when (string-match ".*/" gnus-tmp-name)
5180 (setq gnus-tmp-name (replace-match "" t t gnus-tmp-name)))
5181 (setq gnus-tmp-type-long (concat gnus-tmp-type
5182 (and (not (equal gnus-tmp-name ""))
5183 (concat "; " gnus-tmp-name))))
5184 (unless (equal gnus-tmp-description "")
5185 (setq gnus-tmp-type-long (concat " --- " gnus-tmp-type-long)))
5190 gnus-mime-button-line-format gnus-mime-button-line-format-alist
5191 `(keymap ,gnus-mime-button-map
5192 gnus-callback gnus-mm-display-part
5193 gnus-part ,gnus-tmp-id
5194 article-type annotation
5197 ;; Exclude a newline.
5200 (widget-convert-button
5203 :action 'gnus-widget-press-button
5204 :button-keymap gnus-mime-button-map
5206 (lambda (widget/window &optional overlay pos)
5207 ;; Needed to properly clear the message due to a bug in
5208 ;; wid-edit (XEmacs only).
5209 (if (boundp 'help-echo-owns-message)
5210 (setq help-echo-owns-message t))
5212 "%S: %s the MIME part; %S: more options"
5213 (aref gnus-mouse-2 0)
5214 ;; XEmacs will get a single widget arg; Emacs 21 will get
5215 ;; window, overlay, position.
5216 (if (mm-handle-displayed-p
5218 (with-current-buffer (gnus-overlay-buffer overlay)
5219 (widget-get (widget-at (gnus-overlay-start overlay))
5221 (widget-get widget/window :mime-handle)))
5223 (aref gnus-down-mouse-3 0))))))
5225 (defun gnus-widget-press-button (elems el)
5226 (goto-char (widget-get elems :from))
5227 (gnus-article-press-button))
5229 (defvar gnus-displaying-mime nil)
5231 (defun gnus-display-mime (&optional ihandles)
5232 "Display the MIME parts."
5234 (save-selected-window
5235 (let ((window (get-buffer-window gnus-article-buffer))
5238 (select-window window)
5239 ;; We have to do this since selecting the window
5240 ;; may change the point. So we set the window point.
5241 (set-window-point window point)))
5242 (let ((handles ihandles)
5243 (inhibit-read-only t)
5246 ((setq handles (mm-dissect-buffer nil gnus-article-loose-mime))
5247 (when gnus-article-emulate-mime
5248 (mm-uu-dissect-text-parts handles)))
5249 (gnus-article-emulate-mime
5250 (setq handles (mm-uu-dissect))))
5251 (when (and (not ihandles)
5252 (not gnus-displaying-mime))
5253 ;; Top-level call; we clean up.
5254 (when gnus-article-mime-handles
5255 (mm-destroy-parts gnus-article-mime-handles)
5256 (setq gnus-article-mime-handle-alist nil));; A trick.
5257 (setq gnus-article-mime-handles handles)
5258 ;; We allow users to glean info from the handles.
5259 (when gnus-article-mime-part-function
5260 (gnus-mime-part-function handles)))
5262 (or (not (stringp (car handles)))
5265 (when (and (not ihandles)
5266 (not gnus-displaying-mime))
5267 ;; Clean up for mime parts.
5269 (delete-region (point) (point-max)))
5270 (let ((gnus-displaying-mime t))
5271 (gnus-mime-display-part handles)))
5274 (narrow-to-region (point) (point-max))
5275 (gnus-treat-article nil 1 1)
5278 ;; Highlight the headers.
5282 (narrow-to-region (point-min) (point))
5283 (gnus-article-save-original-date
5284 (gnus-treat-article 'head)))))))))
5286 (defcustom gnus-mime-display-multipart-as-mixed nil
5287 "Display \"multipart\" parts as \"multipart/mixed\".
5289 If t, it overrides nil values of
5290 `gnus-mime-display-multipart-alternative-as-mixed' and
5291 `gnus-mime-display-multipart-related-as-mixed'."
5292 :group 'gnus-article-mime
5295 (defcustom gnus-mime-display-multipart-alternative-as-mixed nil
5296 "Display \"multipart/alternative\" parts as \"multipart/mixed\"."
5298 :group 'gnus-article-mime
5301 (defcustom gnus-mime-display-multipart-related-as-mixed nil
5302 "Display \"multipart/related\" parts as \"multipart/mixed\".
5304 If displaying \"text/html\" is discouraged \(see
5305 `mm-discouraged-alternatives'\) images or other material inside a
5306 \"multipart/related\" part might be overlooked when this variable is nil."
5308 :group 'gnus-article-mime
5311 (defun gnus-mime-display-part (handle)
5313 ;; Maybe a broken MIME message.
5316 ((not (stringp (car handle)))
5317 (gnus-mime-display-single handle))
5318 ;; User-defined multipart
5319 ((cdr (assoc (car handle) gnus-mime-multipart-functions))
5320 (funcall (cdr (assoc (car handle) gnus-mime-multipart-functions))
5322 ;; multipart/alternative
5323 ((and (equal (car handle) "multipart/alternative")
5324 (not (or gnus-mime-display-multipart-as-mixed
5325 gnus-mime-display-multipart-alternative-as-mixed)))
5326 (let ((id (1+ (length gnus-article-mime-handle-alist))))
5327 (push (cons id handle) gnus-article-mime-handle-alist)
5328 (gnus-mime-display-alternative (cdr handle) nil nil id)))
5329 ;; multipart/related
5330 ((and (equal (car handle) "multipart/related")
5331 (not (or gnus-mime-display-multipart-as-mixed
5332 gnus-mime-display-multipart-related-as-mixed)))
5333 ;;;!!!We should find the start part, but we just default
5334 ;;;!!!to the first part.
5335 ;;(gnus-mime-display-part (cadr handle))
5336 ;;;!!! Most multipart/related is an HTML message plus images.
5337 ;;;!!! Unfortunately we are unable to let W3 display those
5338 ;;;!!! included images, so we just display it as a mixed multipart.
5339 ;;(gnus-mime-display-mixed (cdr handle))
5340 ;;;!!! No, w3 can display everything just fine.
5341 (gnus-mime-display-part (cadr handle)))
5342 ((equal (car handle) "multipart/signed")
5343 (gnus-add-wash-type 'signed)
5344 (gnus-mime-display-security handle))
5345 ((equal (car handle) "multipart/encrypted")
5346 (gnus-add-wash-type 'encrypted)
5347 (gnus-mime-display-security handle))
5348 ;; Other multiparts are handled like multipart/mixed.
5350 (gnus-mime-display-mixed (cdr handle)))))
5352 (defun gnus-mime-part-function (handles)
5353 (if (stringp (car handles))
5354 (mapcar 'gnus-mime-part-function (cdr handles))
5355 (funcall gnus-article-mime-part-function handles)))
5357 (defun gnus-mime-display-mixed (handles)
5358 (mapcar 'gnus-mime-display-part handles))
5360 (defun gnus-mime-display-single (handle)
5361 (let ((type (mm-handle-media-type handle))
5362 (ignored gnus-ignored-mime-types)
5369 (when (string-match (pop ignored) type)
5370 (throw 'ignored nil)))
5371 (if (and (setq not-attachment
5372 (and (not (mm-inline-override-p handle))
5373 (or (not (mm-handle-disposition handle))
5374 (equal (car (mm-handle-disposition handle))
5376 (mm-attachment-override-p handle))))
5377 (mm-automatic-display-p handle)
5379 (mm-inlinable-p handle)
5380 (mm-inlined-p handle))
5381 (mm-automatic-external-display-p type)))
5383 (when (equal (mm-handle-media-supertype handle) "text")
5385 (let ((id (1+ (length gnus-article-mime-handle-alist)))
5387 (push (cons id handle) gnus-article-mime-handle-alist)
5388 (when (or (not display)
5389 (not (gnus-unbuttonized-mime-type-p type)))
5390 (gnus-insert-mime-button
5391 handle id (list (or display (and not-attachment text))))
5392 (gnus-article-insert-newline)
5393 ;; Remember modify the number of forward lines.
5401 (let ((mail-parse-charset gnus-newsgroup-charset)
5402 (mail-parse-ignored-charsets
5403 (save-excursion (condition-case ()
5404 (set-buffer gnus-summary-buffer)
5406 gnus-newsgroup-ignored-charsets)))
5407 (mm-display-part handle t))
5408 (goto-char (point-max)))
5409 ((and text not-attachment)
5413 (gnus-article-insert-newline)
5416 (let ((charset (mail-content-type-get (mm-handle-type handle)
5418 (cond ((not charset)
5419 (mm-string-as-multibyte (mm-get-part handle)))
5420 ((eq charset 'gnus-decoded)
5421 (with-current-buffer (mm-handle-buffer handle)
5424 (mm-decode-string (mm-get-part handle) charset)))))
5425 (goto-char (point-max))))
5429 (narrow-to-region beg (point))
5432 (gnus-article-mime-total-parts)
5433 (mm-handle-media-type handle)))))))))
5435 (defun gnus-unbuttonized-mime-type-p (type)
5436 "Say whether TYPE is to be unbuttonized."
5437 (unless gnus-inhibit-mime-unbuttonizing
5439 (let ((types gnus-unbuttonized-mime-types))
5441 (when (string-match (pop types) type)
5442 (throw 'found t)))))
5444 (let ((types gnus-buttonized-mime-types))
5446 (when (string-match (pop types) type)
5447 (throw 'found t)))))))))
5449 (defun gnus-article-insert-newline ()
5450 "Insert a newline, but mark it as undeletable."
5451 (gnus-put-text-property
5452 (point) (progn (insert "\n") (point)) 'gnus-undeletable t))
5454 (defun gnus-mime-display-alternative (handles &optional preferred ibegend id)
5455 (let* ((preferred (or preferred (mm-preferred-alternative handles)))
5458 handle (inhibit-read-only t) from props begend not-pref)
5459 (save-window-excursion
5462 (narrow-to-region (car ibegend)
5465 (goto-char (car ibegend))
5468 (delete-region (point-min) (point-max))
5469 (mm-remove-parts handles))
5470 (setq begend (list (point-marker)))
5472 (unless (setq not-pref (cadr (member preferred ihandles)))
5473 (setq not-pref (car ihandles)))
5476 (not (gnus-unbuttonized-mime-type-p
5477 "multipart/alternative")))
5478 (gnus-add-text-properties
5481 (insert (format "%d. " id))
5485 (unless ,(not ibegend)
5486 (setq gnus-article-mime-handle-alist
5487 ',gnus-article-mime-handle-alist))
5488 (gnus-mime-display-alternative
5489 ',ihandles ',not-pref ',begend ,id))
5490 keymap ,gnus-mime-button-map
5491 ,gnus-mouse-face-prop ,gnus-article-mouse-face
5492 face ,gnus-article-button-face
5494 article-type multipart))
5495 (widget-convert-button 'link from (point)
5496 :action 'gnus-widget-press-button
5497 :button-keymap gnus-widget-button-keymap)
5499 (while (setq handle (pop handles))
5500 (gnus-add-text-properties
5503 (insert (format "(%c) %-18s"
5504 (if (equal handle preferred) ?* ? )
5505 (mm-handle-media-type handle)))
5509 (unless ,(not ibegend)
5510 (setq gnus-article-mime-handle-alist
5511 ',gnus-article-mime-handle-alist))
5512 (gnus-mime-display-alternative
5513 ',ihandles ',handle ',begend ,id))
5514 keymap ,gnus-mime-button-map
5515 ,gnus-mouse-face-prop ,gnus-article-mouse-face
5516 face ,gnus-article-button-face
5519 (widget-convert-button 'link from (point)
5520 :action 'gnus-widget-press-button
5521 :button-keymap gnus-widget-button-keymap)
5525 (if (stringp (car preferred))
5526 (gnus-display-mime preferred)
5527 (let ((mail-parse-charset gnus-newsgroup-charset)
5528 (mail-parse-ignored-charsets
5529 (with-current-buffer gnus-summary-buffer
5530 gnus-newsgroup-ignored-charsets)))
5531 (mm-display-part preferred)
5535 (narrow-to-region (car begend) (point-max))
5537 nil (length gnus-article-mime-handle-alist)
5538 (gnus-article-mime-total-parts)
5539 (mm-handle-media-type handle))))))
5540 (goto-char (point-max))
5541 (setcdr begend (point-marker)))))
5543 (goto-char point))))
5545 (defconst gnus-article-wash-status-strings
5546 (let ((alist '((cite "c" "Possible hidden citation text"
5547 " " "All citation text visible")
5548 (headers "h" "Hidden headers"
5549 " " "All headers visible.")
5550 (pgp "p" "Encrypted or signed message status hidden"
5551 " " "No hidden encryption nor digital signature status")
5552 (signature "s" "Signature has been hidden"
5553 " " "Signature is visible")
5554 (overstrike "o" "Overstrike (^H) characters applied"
5555 " " "No overstrike characters applied")
5556 (gnus-show-mime "m" "Mime processing is activated"
5557 " " "Mime processing is not activated")
5558 (emphasis "e" "/*_Emphasis_*/ characters applied"
5559 " " "No /*_emphasis_*/ characters applied")))
5561 (dolist (entry alist result)
5562 (let ((key (nth 0 entry))
5563 (on (copy-sequence (nth 1 entry)))
5564 (on-help (nth 2 entry))
5565 (off (copy-sequence (nth 3 entry)))
5566 (off-help (nth 4 entry)))
5567 (put-text-property 0 1 'help-echo on-help on)
5568 (put-text-property 0 1 'help-echo off-help off)
5569 (push (list key on off) result))))
5570 "Alist of strings describing wash status in the mode line.
5571 Each entry has the form (KEY ON OF), where the KEY is a symbol
5572 representing the particular washing function, ON is the string to use
5573 in the article mode line when the washing function is active, and OFF
5574 is the string to use when it is inactive.")
5576 (defun gnus-article-wash-status-entry (key value)
5577 (let ((entry (assoc key gnus-article-wash-status-strings)))
5578 (if value (nth 1 entry) (nth 2 entry))))
5580 (defun gnus-article-wash-status ()
5581 "Return a string which display status of article washing."
5582 (with-current-buffer gnus-article-buffer
5583 (let ((cite (memq 'cite gnus-article-wash-types))
5584 (headers (memq 'headers gnus-article-wash-types))
5585 (boring (memq 'boring-headers gnus-article-wash-types))
5586 (pgp (memq 'pgp gnus-article-wash-types))
5587 (pem (memq 'pem gnus-article-wash-types))
5588 (signed (memq 'signed gnus-article-wash-types))
5589 (encrypted (memq 'encrypted gnus-article-wash-types))
5590 (signature (memq 'signature gnus-article-wash-types))
5591 (overstrike (memq 'overstrike gnus-article-wash-types))
5592 (emphasis (memq 'emphasis gnus-article-wash-types)))
5594 (gnus-article-wash-status-entry 'cite cite)
5595 (gnus-article-wash-status-entry 'headers (or headers boring))
5596 (gnus-article-wash-status-entry 'pgp (or pgp pem signed encrypted))
5597 (gnus-article-wash-status-entry 'signature signature)
5598 (gnus-article-wash-status-entry 'overstrike overstrike)
5599 (gnus-article-wash-status-entry 'gnus-show-mime gnus-show-mime)
5600 (gnus-article-wash-status-entry 'emphasis emphasis)))))
5602 (defun gnus-add-wash-type (type)
5603 "Add a washing of TYPE to the current status."
5604 (add-to-list 'gnus-article-wash-types type))
5606 (defun gnus-delete-wash-type (type)
5607 "Add a washing of TYPE to the current status."
5608 (setq gnus-article-wash-types (delq type gnus-article-wash-types)))
5610 (defun gnus-add-image (category image)
5611 "Add IMAGE of CATEGORY to the list of displayed images."
5612 (let ((entry (assq category gnus-article-image-alist)))
5614 (setq entry (list category))
5615 (push entry gnus-article-image-alist))
5616 (nconc entry (list image))))
5618 (defun gnus-delete-images (category)
5619 "Delete all images in CATEGORY."
5620 (let ((entry (assq category gnus-article-image-alist)))
5621 (dolist (image (cdr entry))
5622 (gnus-remove-image image category))
5623 (setq gnus-article-image-alist (delq entry gnus-article-image-alist))
5624 (gnus-delete-wash-type category)))
5626 (defalias 'gnus-article-hide-headers-if-wanted 'gnus-article-maybe-hide-headers)
5628 (defun gnus-article-maybe-hide-headers ()
5629 "Hide unwanted headers if `gnus-have-all-headers' is nil.
5630 Provided for backwards compatibility."
5631 (when (and (or (not (gnus-buffer-live-p gnus-summary-buffer))
5632 (not (with-current-buffer gnus-summary-buffer
5633 gnus-have-all-headers)))
5634 (not gnus-inhibit-hiding))
5635 (gnus-article-hide-headers)))
5639 (defun gnus-output-to-file (file-name)
5640 "Append the current article to a file named FILE-NAME."
5641 (let ((artbuf (current-buffer)))
5643 (insert-buffer-substring artbuf)
5644 ;; Append newline at end of the buffer as separator, and then
5646 (goto-char (point-max))
5648 (let ((file-name-coding-system nnmail-pathname-coding-system))
5649 (write-region-as-binary (point-min) (point-max) file-name 'append))
5652 (defun gnus-narrow-to-page (&optional arg)
5653 "Narrow the article buffer to a page.
5654 If given a numerical ARG, move forward ARG pages."
5656 (setq arg (if arg (prefix-numeric-value arg) 0))
5658 (set-buffer gnus-article-buffer)
5659 (goto-char (point-min))
5661 ;; Remove any old next/prev buttons.
5662 (when (gnus-visual-p 'page-marker)
5663 (let ((inhibit-read-only t))
5664 (gnus-remove-text-with-property 'gnus-prev)
5665 (gnus-remove-text-with-property 'gnus-next)))
5668 (re-search-backward page-delimiter nil 'move (1+ (abs arg))))
5670 (re-search-forward page-delimiter nil 'move arg)))
5671 (goto-char (match-end 0))
5673 (goto-char (point-min))
5674 (setq gnus-page-broken
5675 (and (re-search-forward page-delimiter nil t) t))))
5676 (when gnus-page-broken
5679 (if (re-search-forward page-delimiter nil 'move)
5682 (when (and (gnus-visual-p 'page-marker)
5683 (> (point-min) (save-restriction (widen) (point-min))))
5685 (goto-char (point-min))
5686 (gnus-insert-prev-page-button)))
5687 (when (and (gnus-visual-p 'page-marker)
5688 (< (point-max) (save-restriction (widen) (point-max))))
5690 (goto-char (point-max))
5691 (gnus-insert-next-page-button))))))
5693 ;; Article mode commands
5695 (defun gnus-article-goto-next-page ()
5696 "Show the next page of the article."
5698 (when (gnus-article-next-page)
5699 (goto-char (point-min))
5700 (gnus-article-read-summary-keys nil (gnus-character-to-event ?n))))
5703 (defun gnus-article-goto-prev-page ()
5704 "Show the previous page of the article."
5707 (gnus-article-read-summary-keys nil (gnus-character-to-event ?p))
5708 (gnus-article-prev-page nil)))
5710 ;; This is cleaner but currently breaks `gnus-pick-mode':
5712 ;; (defun gnus-article-goto-next-page ()
5713 ;; "Show the next page of the article."
5715 ;; (gnus-eval-in-buffer-window gnus-summary-buffer
5716 ;; (gnus-summary-next-page)))
5718 ;; (defun gnus-article-goto-prev-page ()
5719 ;; "Show the next page of the article."
5721 ;; (gnus-eval-in-buffer-window gnus-summary-buffer
5722 ;; (gnus-summary-prev-page)))
5724 (defun gnus-article-next-page (&optional lines)
5725 "Show the next page of the current article.
5726 If end of article, return non-nil. Otherwise return nil.
5727 Argument LINES specifies lines to be scrolled up."
5729 (move-to-window-line -1)
5732 (and (pos-visible-in-window-p) ;Not continuation line.
5733 (>= (1+ (point)) (point-max)))) ;Allow for trailing newline.
5734 ;; Nothing in this page.
5735 (if (or (not gnus-page-broken)
5740 (eobp)))) ;Real end-of-buffer?
5742 (when gnus-article-over-scroll
5743 (gnus-article-next-page-1 lines))
5745 (gnus-narrow-to-page 1) ;Go to next page.
5747 ;; More in this page.
5748 (gnus-article-next-page-1 lines)
5751 (defmacro gnus-article-beginning-of-window ()
5752 "Move point to the beginning of the window.
5753 In Emacs, the point is placed at the line number which `scroll-margin'
5755 (if (featurep 'xemacs)
5756 '(move-to-window-line 0)
5757 '(move-to-window-line
5758 (min (max 0 scroll-margin)
5759 (max 1 (- (window-height)
5760 (if mode-line-format 1 0)
5761 (if header-line-format 1 0)))))))
5763 (defun gnus-article-next-page-1 (lines)
5764 (when (and (not (featurep 'xemacs))
5767 (numberp (symbol-value 'scroll-margin))
5768 (> (symbol-value 'scroll-margin) 0))
5769 ;; Protect against the bug that Emacs 21.x hangs up when scrolling up for
5770 ;; too many number of lines if `scroll-margin' is set as two or greater.
5771 (setq lines (min lines
5772 (max 0 (- (count-lines (window-start) (point-max))
5773 (symbol-value 'scroll-margin))))))
5775 (let ((scroll-in-place nil))
5778 ;; Long lines may cause an end-of-buffer error.
5779 (goto-char (point-max))))
5780 (gnus-article-beginning-of-window))
5782 (defun gnus-article-prev-page (&optional lines)
5783 "Show previous page of current article.
5784 Argument LINES specifies lines to be scrolled down."
5786 (move-to-window-line 0)
5787 (if (and gnus-page-broken
5789 (not (save-restriction (widen) (bobp)))) ;Real beginning-of-buffer?
5791 (gnus-narrow-to-page -1) ;Go to previous page.
5792 (goto-char (point-max))
5796 (let ((scroll-in-place nil))
5797 (scroll-down lines))
5798 (beginning-of-buffer
5799 (goto-char (point-min))))
5800 (gnus-article-beginning-of-window))))
5802 (defun gnus-article-only-boring-p ()
5803 "Decide whether there is only boring text remaining in the article.
5804 Something \"interesting\" is a word of at least two letters that does
5805 not have a face in `gnus-article-boring-faces'."
5806 (when (and gnus-article-skip-boring
5807 (boundp 'gnus-article-boring-faces)
5808 (symbol-value 'gnus-article-boring-faces))
5811 (while (re-search-forward "\\b\\w\\w" nil t)
5813 (when (not (gnus-intersection
5814 (gnus-faces-at (point))
5815 (symbol-value 'gnus-article-boring-faces)))
5816 (throw 'only-boring nil)))
5817 (throw 'only-boring t)))))
5819 (defun gnus-article-refer-article ()
5820 "Read article specified by message-id around point."
5823 (re-search-backward "[ \t]\\|^" (point-at-bol) t)
5824 (re-search-forward "<?news:<?\\|<" (point-at-eol) t)
5825 (if (re-search-forward "[^@ ]+@[^ \t>]+" (point-at-eol) t)
5826 (let ((msg-id (concat "<" (match-string 0) ">")))
5827 (set-buffer gnus-summary-buffer)
5828 (gnus-summary-refer-article msg-id))
5829 (error "No references around point"))))
5831 (defun gnus-article-show-summary ()
5832 "Reconfigure windows to show summary buffer."
5834 (if (not (gnus-buffer-live-p gnus-summary-buffer))
5835 (error "There is no summary buffer for this article buffer")
5836 (gnus-article-set-globals)
5837 (gnus-configure-windows 'article)
5838 (gnus-summary-goto-subject gnus-current-article)
5839 (gnus-summary-position-point)))
5841 (defun gnus-article-describe-briefly ()
5842 "Describe article mode commands briefly."
5844 (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")))
5846 (defun gnus-article-summary-command ()
5847 "Execute the last keystroke in the summary buffer."
5849 (let ((obuf (current-buffer))
5850 (owin (current-window-configuration))
5852 (switch-to-buffer gnus-article-current-summary 'norecord)
5853 (setq func (lookup-key (current-local-map) (this-command-keys)))
5854 (call-interactively func)
5856 (set-window-configuration owin)
5857 (set-window-point (get-buffer-window (current-buffer)) (point))))
5859 (defun gnus-article-summary-command-nosave ()
5860 "Execute the last keystroke in the summary buffer."
5863 (pop-to-buffer gnus-article-current-summary 'norecord)
5864 (setq func (lookup-key (current-local-map) (this-command-keys)))
5865 (call-interactively func)))
5867 (defun gnus-article-check-buffer ()
5868 "Beep if not in an article buffer."
5869 (unless (eq (get-buffer gnus-article-buffer) (current-buffer))
5870 (error "Command invoked outside of a Gnus article buffer")))
5872 (defun gnus-article-read-summary-keys (&optional arg key not-restore-window)
5873 "Read a summary buffer key sequence and execute it from the article buffer."
5875 (gnus-article-check-buffer)
5877 '("q" "Q" "c" "r" "\C-c\C-f" "m" "a" "f"
5878 "Zc" "ZC" "ZE" "ZJ" "ZQ" "ZZ" "Zn" "ZR" "ZG" "ZN" "ZP"
5879 "=" "^" "\M-^" "|"))
5885 '("n" "Gn" "p" "Gp"))
5888 (set-buffer gnus-article-current-summary)
5889 (let (gnus-pick-mode)
5890 (push (or key last-command-event) unread-command-events)
5891 (setq keys (static-if (featurep 'xemacs)
5892 (events-to-keys (read-key-sequence nil))
5893 (read-key-sequence nil)))))
5896 (if (or (member keys nosaves)
5897 (member keys nosave-but-article)
5898 (member keys nosave-in-article))
5900 (save-window-excursion
5901 (pop-to-buffer gnus-article-current-summary 'norecord)
5902 ;; We disable the pick minor mode commands.
5903 (let (gnus-pick-mode)
5904 (setq func (lookup-key (current-local-map) keys))))
5908 (unless (member keys nosave-in-article)
5909 (set-buffer gnus-article-current-summary))
5910 (call-interactively func)
5911 (setq new-sum-point (point)))
5912 (when (member keys nosave-but-article)
5913 (pop-to-buffer gnus-article-buffer 'norecord)))
5914 ;; These commands should restore window configuration.
5915 (let ((obuf (current-buffer))
5916 (owin (current-window-configuration))
5918 win func in-buffer selected new-sum-start new-sum-hscroll)
5919 (cond (not-restore-window
5920 (pop-to-buffer gnus-article-current-summary 'norecord))
5921 ((setq win (get-buffer-window gnus-article-current-summary))
5922 (select-window win))
5924 (switch-to-buffer gnus-article-current-summary 'norecord)))
5925 (setq in-buffer (current-buffer))
5926 ;; We disable the pick minor mode commands.
5927 (if (and (setq func (let (gnus-pick-mode)
5928 (lookup-key (current-local-map) keys)))
5931 (call-interactively func)
5932 (when (eq win (selected-window))
5933 (setq new-sum-point (point)
5934 new-sum-start (window-start win)
5935 new-sum-hscroll (window-hscroll win)))
5936 (when (eq in-buffer (current-buffer))
5937 (setq selected (gnus-summary-select-article))
5939 (unless not-restore-window
5940 (set-window-configuration owin))
5941 (when (eq selected 'old)
5943 (set-window-start (get-buffer-window (current-buffer))
5945 (set-window-point (get-buffer-window (current-buffer))
5947 (when (and (not not-restore-window)
5949 (set-window-point win new-sum-point)
5950 (set-window-start win new-sum-start)
5951 (set-window-hscroll win new-sum-hscroll))))
5952 (set-window-configuration owin)
5955 (defun gnus-article-describe-key (key)
5956 "Display documentation of the function invoked by KEY. KEY is a string."
5957 (interactive "kDescribe key: ")
5958 (gnus-article-check-buffer)
5959 (if (eq (key-binding key) 'gnus-article-read-summary-keys)
5961 (set-buffer gnus-article-current-summary)
5962 (let (gnus-pick-mode)
5963 (if (featurep 'xemacs)
5965 (push (elt key 0) unread-command-events)
5966 (setq key (events-to-keys
5967 (read-key-sequence "Describe key: "))))
5968 (setq unread-command-events
5970 (lambda (x) (if (>= x 128) (list 'meta (- x 128)) x))
5972 (setq key (read-key-sequence "Describe key: "))))
5974 (describe-key key)))
5976 (defun gnus-article-describe-key-briefly (key &optional insert)
5977 "Display documentation of the function invoked by KEY. KEY is a string."
5978 (interactive "kDescribe key: \nP")
5979 (gnus-article-check-buffer)
5980 (if (eq (key-binding key) 'gnus-article-read-summary-keys)
5982 (set-buffer gnus-article-current-summary)
5983 (let (gnus-pick-mode)
5984 (if (featurep 'xemacs)
5986 (push (elt key 0) unread-command-events)
5987 (setq key (events-to-keys
5988 (read-key-sequence "Describe key: "))))
5989 (setq unread-command-events
5991 (lambda (x) (if (>= x 128) (list 'meta (- x 128)) x))
5993 (setq key (read-key-sequence "Describe key: "))))
5994 (describe-key-briefly key insert))
5995 (describe-key-briefly key insert)))
5997 (defun gnus-article-reply-with-original (&optional wide)
5998 "Start composing a reply mail to the current message.
5999 The text in the region will be yanked. If the region isn't active,
6000 the entire article will be yanked."
6002 (let ((article (cdr gnus-article-current))
6004 (if (not (gnus-region-active-p))
6005 (with-current-buffer gnus-summary-buffer
6006 (gnus-summary-reply (list (list article)) wide))
6007 (setq contents (buffer-substring (point) (mark t)))
6008 ;; Deactivate active regions.
6009 (when (and (boundp 'transient-mark-mode)
6010 transient-mark-mode)
6011 (setq mark-active nil))
6012 (with-current-buffer gnus-summary-buffer
6014 (list (list article contents)) wide)))))
6016 (defun gnus-article-followup-with-original ()
6017 "Compose a followup to the current article.
6018 The text in the region will be yanked. If the region isn't active,
6019 the entire article will be yanked."
6021 (let ((article (cdr gnus-article-current))
6023 (if (not (gnus-region-active-p))
6024 (with-current-buffer gnus-summary-buffer
6025 (gnus-summary-followup (list (list article))))
6026 (setq contents (buffer-substring (point) (mark t)))
6027 ;; Deactivate active regions.
6028 (when (and (boundp 'transient-mark-mode)
6029 transient-mark-mode)
6030 (setq mark-active nil))
6031 (with-current-buffer gnus-summary-buffer
6032 (gnus-summary-followup
6033 (list (list article contents)))))))
6035 (defun gnus-article-hide (&optional arg force)
6036 "Hide all the gruft in the current article.
6037 This means that signatures, cited text and (some) headers will be
6039 If given a prefix, show the hidden text instead."
6040 (interactive (append (gnus-article-hidden-arg) (list 'force)))
6041 (gnus-article-hide-headers arg)
6042 (gnus-article-hide-list-identifiers arg)
6043 (gnus-article-hide-citation-maybe arg force)
6044 (gnus-article-hide-signature arg))
6046 (defun gnus-article-maybe-highlight ()
6047 "Do some article highlighting if article highlighting is requested."
6048 (when (gnus-visual-p 'article-highlight 'highlight)
6049 (gnus-article-highlight-some)))
6051 (defun gnus-check-group-server ()
6052 ;; Make sure the connection to the server is alive.
6053 (unless (gnus-server-opened
6054 (gnus-find-method-for-group gnus-newsgroup-name))
6055 (gnus-check-server (gnus-find-method-for-group gnus-newsgroup-name))
6056 (gnus-request-group gnus-newsgroup-name t)))
6059 (autoload 'nneething-get-file-name "nneething"))
6061 (defun gnus-request-article-this-buffer (article group)
6062 "Get an article and insert it into this buffer."
6063 (let (do-update-line sparse-header)
6067 (gnus-kill-all-overlays)
6068 (setq group (or group gnus-newsgroup-name))
6070 ;; Using `gnus-request-article' directly will insert the article into
6071 ;; `nntp-server-buffer' - so we'll save some time by not having to
6072 ;; copy it from the server buffer into the article buffer.
6074 ;; We only request an article by message-id when we do not have the
6075 ;; headers for it, so we'll have to get those.
6076 (when (stringp article)
6077 (gnus-read-header article))
6079 ;; If the article number is negative, that means that this article
6080 ;; doesn't belong in this newsgroup (possibly), so we find its
6081 ;; message-id and request it by id instead of number.
6082 (when (and (numberp article)
6084 (get-buffer gnus-summary-buffer)
6085 (gnus-buffer-exists-p gnus-summary-buffer))
6087 (set-buffer gnus-summary-buffer)
6088 (let ((header (gnus-summary-article-header article)))
6091 ((memq article gnus-newsgroup-sparse)
6092 ;; This is a sparse gap article.
6093 (setq do-update-line article)
6094 (setq article (mail-header-id header))
6095 (setq sparse-header (gnus-read-header article))
6096 (setq gnus-newsgroup-sparse
6097 (delq article gnus-newsgroup-sparse)))
6099 ;; It's a real article.
6100 (setq article (mail-header-id header)))
6102 ;; It is an extracted pseudo-article.
6103 (setq article 'pseudo)
6104 (gnus-request-pseudo-article header))))
6106 (let ((method (gnus-find-method-for-group
6107 gnus-newsgroup-name)))
6108 (when (and (eq (car method) 'nneething)
6110 (let ((dir (nneething-get-file-name
6111 (mail-header-id header))))
6112 (when (and (stringp dir)
6113 (file-directory-p dir))
6114 (setq article 'nneething)
6115 (gnus-group-enter-directory dir))))))))
6118 ;; Refuse to select canceled articles.
6119 ((and (numberp article)
6121 (get-buffer gnus-summary-buffer)
6122 (gnus-buffer-exists-p gnus-summary-buffer)
6123 (eq (cdr (with-current-buffer gnus-summary-buffer
6124 (assq article gnus-newsgroup-reads)))
6125 gnus-canceled-mark))
6127 ;; We first check `gnus-original-article-buffer'.
6128 ((and (get-buffer gnus-original-article-buffer)
6130 (with-current-buffer gnus-original-article-buffer
6131 (and (equal (car gnus-original-article) group)
6132 (eq (cdr gnus-original-article) article))))
6133 (insert-buffer-substring gnus-original-article-buffer)
6135 ;; Check the backlog.
6136 ((and gnus-keep-backlog
6137 (gnus-backlog-request-article group article (current-buffer)))
6139 ;; Check asynchronous pre-fetch.
6140 ((gnus-async-request-fetched-article group article (current-buffer))
6141 (gnus-async-prefetch-next group article gnus-summary-buffer)
6142 (when (and (numberp article) gnus-keep-backlog)
6143 (gnus-backlog-enter-article group article (current-buffer)))
6146 ((and gnus-use-cache
6148 (gnus-cache-request-article article group))
6150 ;; Check the agent cache.
6151 ((gnus-agent-request-article article group)
6153 ;; Get the article and put into the article buffer.
6154 ((or (stringp article)
6156 (let ((gnus-override-method gnus-override-method)
6157 (methods (and (stringp article)
6158 gnus-refer-article-method))
6159 (backend (car (gnus-find-method-for-group
6160 gnus-newsgroup-name)))
6162 (inhibit-read-only t))
6163 (if (or (not (listp methods))
6164 (and (symbolp (car methods))
6165 (assq (car methods) nnoo-definition-alist)))
6166 (setq methods (list methods)))
6167 (when (and (null gnus-override-method)
6169 (setq gnus-override-method (pop methods)))
6171 (when (eq gnus-override-method 'current)
6172 (setq gnus-override-method
6173 (with-current-buffer gnus-summary-buffer
6174 gnus-current-select-method)))
6176 (gnus-kill-all-overlays)
6177 (let ((gnus-newsgroup-name group))
6178 (gnus-check-group-server))
6180 ((gnus-request-article article group (current-buffer))
6181 (when (numberp article)
6182 (gnus-async-prefetch-next group article
6183 gnus-summary-buffer)
6184 (when gnus-keep-backlog
6185 (gnus-backlog-enter-article
6186 group article (current-buffer))))
6187 (setq result 'article))
6189 (setq gnus-override-method (pop methods)))
6190 ((not (string-match "^400 "
6191 (nnheader-get-report backend)))
6192 ;; If we get 400 server disconnect, reconnect and
6193 ;; retry; otherwise, assume the article has expired.
6194 (setq result 'done))))
6195 (and (eq result 'article) 'article)))
6199 ;; Associate this article with the current summary buffer.
6200 (setq gnus-article-current-summary gnus-summary-buffer)
6202 ;; Take the article from the original article buffer
6203 ;; and place it in the buffer it's supposed to be in.
6204 (when (and (get-buffer gnus-article-buffer)
6205 (equal (buffer-name (current-buffer))
6206 (buffer-name (get-buffer gnus-article-buffer))))
6208 (if (get-buffer gnus-original-article-buffer)
6209 (set-buffer gnus-original-article-buffer)
6210 (set-buffer (gnus-get-buffer-create gnus-original-article-buffer))
6211 (buffer-disable-undo)
6212 (setq major-mode 'gnus-original-article-mode)
6213 (setq buffer-read-only t))
6214 (let ((inhibit-read-only t))
6216 (insert-buffer-substring gnus-article-buffer))
6217 (setq gnus-original-article (cons group article)))
6220 (run-hooks 'gnus-article-decode-hook)
6221 ;; Mark article as decoded or not.
6222 (setq gnus-article-decoded-p gnus-article-decode-hook))
6224 ;; Update sparse articles.
6225 (when (and do-update-line
6226 (or (numberp article)
6228 (let ((buf (current-buffer)))
6229 (set-buffer gnus-summary-buffer)
6230 (gnus-summary-update-article do-update-line sparse-header)
6231 (gnus-summary-goto-subject do-update-line nil t)
6232 (set-window-point (gnus-get-buffer-window (current-buffer) t)
6234 (set-buffer buf))))))
6240 (defcustom gnus-article-edit-mode-hook nil
6241 "Hook run in article edit mode buffers."
6242 :group 'gnus-article-various
6245 (defcustom gnus-article-edit-article-setup-function
6246 'gnus-article-mime-edit-article-setup
6247 "Function called to setup an editing article buffer."
6248 :group 'gnus-article-various
6251 (defvar gnus-article-edit-done-function nil)
6253 (defvar gnus-article-edit-mode-map nil)
6255 ;; Should we be using derived.el for this?
6256 (unless gnus-article-edit-mode-map
6257 (setq gnus-article-edit-mode-map (make-keymap))
6258 (set-keymap-parent gnus-article-edit-mode-map text-mode-map)
6260 (gnus-define-keys gnus-article-edit-mode-map
6261 "\C-c?" describe-mode
6262 "\C-c\C-c" gnus-article-edit-done
6263 "\C-c\C-k" gnus-article-edit-exit
6264 "\C-c\C-f\C-t" message-goto-to
6265 "\C-c\C-f\C-o" message-goto-from
6266 "\C-c\C-f\C-b" message-goto-bcc
6267 ;;"\C-c\C-f\C-w" message-goto-fcc
6268 "\C-c\C-f\C-c" message-goto-cc
6269 "\C-c\C-f\C-s" message-goto-subject
6270 "\C-c\C-f\C-r" message-goto-reply-to
6271 "\C-c\C-f\C-n" message-goto-newsgroups
6272 "\C-c\C-f\C-d" message-goto-distribution
6273 "\C-c\C-f\C-f" message-goto-followup-to
6274 "\C-c\C-f\C-m" message-goto-mail-followup-to
6275 "\C-c\C-f\C-k" message-goto-keywords
6276 "\C-c\C-f\C-u" message-goto-summary
6277 "\C-c\C-f\C-i" message-insert-or-toggle-importance
6278 "\C-c\C-f\C-a" message-generate-unsubscribed-mail-followup-to
6279 "\C-c\C-b" message-goto-body
6280 "\C-c\C-i" message-goto-signature
6282 "\C-c\C-t" message-insert-to
6283 "\C-c\C-n" message-insert-newsgroups
6284 "\C-c\C-o" message-sort-headers
6285 "\C-c\C-e" message-elide-region
6286 "\C-c\C-v" message-delete-not-region
6287 "\C-c\C-z" message-kill-to-signature
6288 "\M-\r" message-newline-and-reformat
6289 "\C-c\C-a" mml-attach-file
6290 "\C-a" message-beginning-of-line
6292 "\M-;" comment-region)
6294 (gnus-define-keys (gnus-article-edit-wash-map
6295 "\C-c\C-w" gnus-article-edit-mode-map)
6296 "f" gnus-article-edit-full-stops))
6299 gnus-article-edit-mode-field-menu gnus-article-edit-mode-map ""
6301 ["Fetch To" message-insert-to t]
6302 ["Fetch Newsgroups" message-insert-newsgroups t]
6304 ["To" message-goto-to t]
6305 ["From" message-goto-from t]
6306 ["Subject" message-goto-subject t]
6307 ["Cc" message-goto-cc t]
6308 ["Reply-To" message-goto-reply-to t]
6309 ["Summary" message-goto-summary t]
6310 ["Keywords" message-goto-keywords t]
6311 ["Newsgroups" message-goto-newsgroups t]
6312 ["Followup-To" message-goto-followup-to t]
6313 ["Mail-Followup-To" message-goto-mail-followup-to t]
6314 ["Distribution" message-goto-distribution t]
6315 ["Body" message-goto-body t]
6316 ["Signature" message-goto-signature t]))
6318 (define-derived-mode gnus-article-edit-mode message-mode "Article Edit"
6319 "Major mode for editing articles.
6320 This is an extended text-mode.
6322 \\{gnus-article-edit-mode-map}"
6323 (make-local-variable 'gnus-article-edit-done-function)
6324 (make-local-variable 'gnus-prev-winconf)
6325 (set (make-local-variable 'font-lock-defaults)
6326 '(message-font-lock-keywords t))
6327 (set (make-local-variable 'mail-header-separator) "")
6328 (set (make-local-variable 'gnus-article-edit-mode) t)
6329 (easy-menu-add message-mode-field-menu message-mode-map)
6330 (setq buffer-read-only nil)
6331 (buffer-enable-undo)
6334 (defun gnus-article-edit (&optional force)
6335 "Edit the current article.
6336 This will have permanent effect only in mail groups.
6337 If FORCE is non-nil, allow editing of articles even in read-only
6340 (when (and (not force)
6341 (gnus-group-read-only-p))
6342 (error "The current newsgroup does not support article editing"))
6343 (gnus-article-date-original)
6344 (gnus-article-edit-article
6346 `(lambda (no-highlight)
6348 (gnus-summary-edit-article-done
6349 ,(or (mail-header-references gnus-current-headers) "")
6350 ,(gnus-group-read-only-p) ,gnus-summary-buffer no-highlight))))
6352 (defun gnus-article-edit-article (start-func exit-func &optional quiet)
6353 "Start editing the contents of the current article buffer."
6354 (let ((winconf (current-window-configuration)))
6355 (set-buffer gnus-article-buffer)
6356 (let ((message-auto-save-directory
6357 ;; Don't associate the article buffer with a draft file.
6359 (gnus-article-edit-mode))
6360 (funcall start-func)
6361 (set-buffer-modified-p nil)
6362 (gnus-configure-windows 'edit-article)
6363 (setq gnus-article-edit-done-function exit-func)
6364 (setq gnus-prev-winconf winconf)
6365 (when gnus-article-edit-article-setup-function
6366 (funcall gnus-article-edit-article-setup-function))
6368 (gnus-message 6 "C-c C-c to end edits; C-c C-k to exit"))))
6370 (defun gnus-article-edit-done (&optional arg)
6371 "Update the article edits and exit."
6373 (let ((func gnus-article-edit-done-function)
6374 (buf (current-buffer))
6375 (start (window-start))
6377 (winconf gnus-prev-winconf))
6378 (remove-hook 'gnus-article-mode-hook
6379 'gnus-article-mime-edit-article-unwind)
6380 (widen) ;; Widen it in case that users narrowed the buffer.
6383 ;; The cache and backlog have to be flushed somewhat.
6384 (when gnus-keep-backlog
6385 (gnus-backlog-remove-article
6386 (car gnus-article-current) (cdr gnus-article-current)))
6387 ;; Flush original article as well.
6389 (when (get-buffer gnus-original-article-buffer)
6390 (set-buffer gnus-original-article-buffer)
6391 (setq gnus-original-article nil)))
6392 (when gnus-use-cache
6393 (gnus-cache-update-article
6394 (car gnus-article-current) (cdr gnus-article-current)))
6395 ;; We remove all text props from the article buffer.
6396 (kill-all-local-variables)
6397 (set-text-properties (point-min) (point-max) nil)
6399 (set-window-configuration winconf)
6401 (set-window-start (get-buffer-window buf) start)
6402 (set-window-point (get-buffer-window buf) (point)))
6403 (gnus-summary-show-article))
6405 (defun gnus-article-edit-exit ()
6406 "Exit the article editing without updating."
6408 (when (or (not (buffer-modified-p))
6409 (yes-or-no-p "Article modified; kill anyway? "))
6410 (let ((curbuf (current-buffer))
6412 (window-start (window-start)))
6414 (if (gnus-buffer-live-p gnus-original-article-buffer)
6415 (insert-buffer-substring gnus-original-article-buffer))
6416 (let ((winconf gnus-prev-winconf))
6417 (kill-all-local-variables)
6419 (set-window-configuration winconf)
6420 ;; Tippy-toe some to make sure that point remains where it was.
6421 (save-current-buffer
6423 (set-window-start (get-buffer-window (current-buffer)) window-start)
6425 (gnus-summary-show-article)))
6427 (defun gnus-article-edit-full-stops ()
6428 "Interactively repair spacing at end of sentences."
6431 (goto-char (point-min))
6432 (search-forward-regexp "^$" nil t)
6433 (let ((case-fold-search nil))
6434 (query-replace-regexp "\\([.!?][])}]* \\)\\([[({A-Z]\\)" "\\1 \\2"))))
6437 ;;; Article editing with MIME-Edit
6440 (defcustom gnus-article-mime-edit-article-setup-hook nil
6441 "Hook run after setting up a MIME editing article buffer."
6442 :group 'gnus-article-various
6445 (defun gnus-article-mime-edit-article-unwind ()
6446 "Unwind `gnus-article-buffer' if article editing was given up."
6447 (remove-hook 'gnus-article-mode-hook 'gnus-article-mime-edit-article-unwind)
6448 (when (featurep 'font-lock)
6449 (setq font-lock-defaults nil)
6450 (font-lock-mode -1))
6451 (when mime-edit-mode-flag
6452 (mime-edit-exit 'nomime 'no-error)
6455 (defun gnus-article-mime-edit-article-setup ()
6456 "Convert current buffer to MIME-Edit buffer and turn on MIME-Edit mode
6457 after replacing with the original article."
6458 (setq gnus-show-mime t)
6459 (setq gnus-article-edit-done-function
6460 `(lambda (&rest args)
6461 (when mime-edit-mode-flag
6462 (let (mime-edit-insert-user-agent-field)
6465 (goto-char (point-min))
6466 (let (case-fold-search)
6467 (when (re-search-forward
6468 (format "^%s$" (regexp-quote mail-header-separator))
6470 (replace-match "")))
6471 (apply ,gnus-article-edit-done-function args)
6474 (buffer-substring-no-properties (point-min) (point-max))
6475 (set-buffer (get-buffer-create gnus-original-article-buffer))
6477 (setq gnus-current-headers (gnus-article-make-full-mail-header))
6478 (set-buffer gnus-article-buffer)
6479 (gnus-article-prepare-display)))
6480 (substitute-key-definition 'gnus-article-edit-done
6481 'gnus-article-mime-edit-done
6482 gnus-article-edit-mode-map)
6483 (substitute-key-definition 'gnus-article-edit-exit
6484 'gnus-article-mime-edit-exit
6485 gnus-article-edit-mode-map)
6487 (insert-buffer-substring gnus-original-article-buffer)
6488 (unless (member (with-current-buffer gnus-summary-buffer
6489 gnus-newsgroup-name)
6490 '("nndraft:delayed" "nndraft:drafts"))
6491 (let ((ofn (symbol-function 'mime-edit-decode-single-part-in-buffer)))
6492 (fset 'mime-edit-decode-single-part-in-buffer
6493 (lambda (&rest args)
6494 (if (let ((content-type (car args)))
6495 (and (eq 'message (mime-content-type-primary-type
6497 (eq 'rfc822 (mime-content-type-subtype
6499 (setcar (cdr args) 'not-decode-text))
6503 (fset 'mime-edit-decode-single-part-in-buffer ofn))))
6504 (when (featurep 'font-lock)
6505 (set (make-local-variable 'font-lock-defaults)
6506 '(message-font-lock-keywords t))
6507 (font-lock-set-defaults)
6508 (turn-on-font-lock))
6509 (set-buffer-modified-p nil)
6510 (delete-other-windows)
6511 (add-hook 'gnus-article-mode-hook 'gnus-article-mime-edit-article-unwind)
6512 (gnus-run-hooks 'gnus-article-mime-edit-article-setup-hook))
6514 (defun gnus-article-mime-edit-done (&optional arg)
6515 "Update the article MIME edits and exit."
6517 (when (featurep 'font-lock)
6518 (setq font-lock-defaults nil)
6519 (font-lock-mode -1))
6520 (let ((inhibit-read-only t))
6521 (gnus-article-edit-done arg)))
6523 (defun gnus-article-mime-edit-exit ()
6524 "Exit the article MIME editing without updating."
6526 (when (or (not (buffer-modified-p))
6527 (yes-or-no-p "Article modified; kill anyway? "))
6528 (when (featurep 'font-lock)
6529 (setq font-lock-defaults nil)
6530 (font-lock-mode -1))
6531 (when mime-edit-mode-flag
6532 (let (mime-edit-insert-user-agent-field)
6535 (goto-char (point-min))
6536 (let (case-fold-search)
6537 (when (re-search-forward
6538 (format "^%s$" (regexp-quote mail-header-separator)) nil t)
6539 (replace-match "")))
6540 (let ((winconf gnus-prev-winconf))
6542 (buffer-substring-no-properties (point-min) (point-max))
6543 (set-buffer (get-buffer-create gnus-original-article-buffer))
6545 (setq gnus-current-headers (gnus-article-make-full-mail-header))
6546 (set-buffer gnus-article-buffer)
6547 (gnus-article-prepare-display)
6548 (set-window-configuration winconf))))
6551 ;;; Article highlights
6554 ;; Written by Per Abrahamsen <abraham@iesd.auc.dk>.
6556 ;;; Internal Variables:
6558 (defcustom gnus-button-url-regexp
6559 (if (string-match "[[:digit:]]" "1") ;; support POSIX?
6560 "\\b\\(\\(www\\.\\|\\(s?https?\\|ftp\\|file\\|gopher\\|nntp\\|news\\|telnet\\|wais\\|mailto\\|info\\):\\)\\(//[-a-z0-9_.]+:[0-9]*\\)?[-a-z0-9_=!?#$@~%&*+\\/:;.,[:word:]]+[-a-z0-9_=#$@~%&*+\\/[:word:]]\\)"
6561 "\\b\\(\\(www\\.\\|\\(s?https?\\|ftp\\|file\\|gopher\\|nntp\\|news\\|telnet\\|wais\\|mailto\\|info\\):\\)\\(//[-a-z0-9_.]+:[0-9]*\\)?\\([-a-z0-9_=!?#$@~%&*+\\/:;.,]\\|\\w\\)+\\([-a-z0-9_=#$@~%&*+\\/]\\|\\w\\)\\)")
6562 "Regular expression that matches URLs."
6563 :group 'gnus-article-buttons
6566 (defcustom gnus-button-valid-fqdn-regexp
6567 message-valid-fqdn-regexp
6568 "Regular expression that matches a valid FQDN."
6570 :group 'gnus-article-buttons
6573 ;; Regexp suggested by Felix Wiemann in <87oeuomcz9.fsf@news2.ososo.de>
6574 (defcustom gnus-button-valid-localpart-regexp
6575 "[a-z0-9$%(*-=?[_][^<>\")!;:,{}\n\t ]*"
6576 "Regular expression that matches a localpart of mail addresses or MIDs."
6578 :group 'gnus-article-buttons
6581 (defcustom gnus-button-man-handler 'manual-entry
6582 "Function to use for displaying man pages.
6583 The function must take at least one argument with a string naming the
6586 :type '(choice (function-item :tag "Man" manual-entry)
6587 (function-item :tag "Woman" woman)
6588 (function :tag "Other"))
6589 :group 'gnus-article-buttons)
6591 (defcustom gnus-ctan-url "http://tug.ctan.org/tex-archive/"
6592 "Top directory of a CTAN \(Comprehensive TeX Archive Network\) archive.
6593 If the default site is too slow, try to find a CTAN mirror, see
6594 <URL:http://tug.ctan.org/tex-archive/CTAN.sites?action=/index.html>. See also
6595 the variable `gnus-button-handle-ctan'."
6597 :group 'gnus-article-buttons
6598 :link '(custom-manual "(gnus)Group Parameters")
6599 :type '(choice (const "http://www.tex.ac.uk/tex-archive/")
6600 (const "http://tug.ctan.org/tex-archive/")
6601 (const "http://www.dante.de/CTAN/")
6602 (string :tag "Other")))
6604 (defcustom gnus-button-ctan-handler 'browse-url
6605 "Function to use for displaying CTAN links.
6606 The function must take one argument, the string naming the URL."
6608 :type '(choice (function-item :tag "Browse Url" browse-url)
6609 (function :tag "Other"))
6610 :group 'gnus-article-buttons)
6612 (defcustom gnus-button-handle-ctan-bogus-regexp "^/?tex-archive/\\|^/"
6613 "Bogus strings removed from CTAN URLs."
6615 :group 'gnus-article-buttons
6616 :type '(choice (const "^/?tex-archive/\\|/")
6617 (regexp :tag "Other")))
6619 (defcustom gnus-button-ctan-directory-regexp
6621 (list "archive-tools" "biblio" "bibliography" "digests" "documentation"
6622 "dviware" "fonts" "graphics" "help" "indexing" "info" "language"
6623 "languages" "macros" "nonfree" "obsolete" "support" "systems"
6624 "tds" "tools" "usergrps" "web") t)
6625 "Regular expression for ctan directories.
6626 It should match all directories in the top level of `gnus-ctan-url'."
6628 :group 'gnus-article-buttons
6631 (defcustom gnus-button-mid-or-mail-regexp
6632 (concat "\\b\\(<?" gnus-button-valid-localpart-regexp "@"
6633 gnus-button-valid-fqdn-regexp
6635 "Regular expression that matches a message ID or a mail address."
6637 :group 'gnus-article-buttons
6640 (defcustom gnus-button-prefer-mid-or-mail 'gnus-button-mid-or-mail-heuristic
6641 "What to do when the button on a string as \"foo123@bar.invalid\" is pushed.
6642 Strings like this can be either a message ID or a mail address. If it is one
6643 of the symbols `mid' or `mail', Gnus will always assume that the string is a
6644 message ID or a mail address, respectively. If this variable is set to the
6645 symbol `ask', always query the user what do do. If it is a function, this
6646 function will be called with the string as it's only argument. The function
6647 must return `mid', `mail', `invalid' or `ask'."
6649 :group 'gnus-article-buttons
6650 :type '(choice (function-item :tag "Heuristic function"
6651 gnus-button-mid-or-mail-heuristic)
6656 (defcustom gnus-button-mid-or-mail-heuristic-alist
6657 '((-10.0 . ".+\\$.+@")
6660 (-5.0 . "\\+[^+]*\\+.*@") ;; # two plus signs
6661 (-5.0 . "@[Nn][Ee][Ww][Ss]") ;; /\@news/i
6662 (-5.0 . "@.*[Dd][Ii][Aa][Ll][Uu][Pp]") ;; /\@.*dialup/i;
6663 (-1.0 . "^[^a-z]+@")
6665 (-5.0 . "\\.[0-9][0-9]+.*@") ;; "\.[0-9]{2,}.*\@"
6666 (-5.0 . "[a-z].*[A-Z].*[a-z].*[A-Z].*@") ;; "([a-z].*[A-Z].*){2,}\@"
6667 (-3.0 . "[A-Z][A-Z][a-z][a-z].*@")
6668 (-5.0 . "\\...?.?@") ;; (-5.0 . "\..{1,3}\@")
6671 (-1.0 . "^[0-9][0-9]")
6673 ;; -3.0 /^[0-9][0-9a-fA-F]{2,2}/;
6674 (-3.0 . "^[0-9][0-9a-fA-F][0-9a-fA-F][^0-9a-fA-F]")
6675 ;; -5.0 /^[0-9][0-9a-fA-F]{3,3}/;
6676 (-5.0 . "^[0-9][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][^0-9a-fA-F]")
6678 (-3.0 . "[0-9][0-9][0-9][0-9][0-9][^0-9].*@") ;; "[0-9]{5,}.*\@"
6679 (-3.0 . "[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][^0-9].*@")
6682 . "[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9].*@")
6684 ;; compensation for TDMA dated mail addresses:
6685 (25.0 . "-dated-[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]+.*@")
6687 (-20.0 . "\\.fsf@") ;; Gnus
6690 (-20.0 . "_-_") ;; Subject change in thread
6692 (-20.0 . "\\.ln@") ;; leafnode
6693 (-30.0 . "@ID-[0-9]+\\.[a-zA-Z]+\\.dfncis\\.de")
6694 (-30.0 . "@4[Aa][Xx]\\.com") ;; Forte Agent
6696 ;; (5.0 . "") ;; $local_part_len <= 7
6697 (10.0 . "^[^0-9]+@")
6698 (3.0 . "^[^0-9]+[0-9][0-9]?[0-9]?@")
6699 ;; ^[^0-9]+[0-9]{1,3}\@ digits only at end of local part
6702 (2.0 . "[a-z][a-z][._-][A-Z][a-z].*@")
6704 (0.5 . "^[A-Z][a-z]")
6705 (0.5 . "^[A-Z][a-z][a-z]")
6706 (1.5 . "^[A-Z][a-z][A-Z][a-z][^a-z]") ;; ^[A-Z][a-z]{3,3}
6707 (2.0 . "^[A-Z][a-z][A-Z][a-z][a-z][^a-z]")) ;; ^[A-Z][a-z]{4,4}
6708 "An alist of \(RATE . REGEXP\) pairs for `gnus-button-mid-or-mail-heuristic'.
6710 A negative RATE indicates a message IDs, whereas a positive indicates a mail
6711 address. The REGEXP is processed with `case-fold-search' set to nil."
6713 :group 'gnus-article-buttons
6714 :type '(repeat (cons (number :tag "Rate")
6715 (regexp :tag "Regexp"))))
6717 (defun gnus-button-mid-or-mail-heuristic (mid-or-mail)
6718 "Guess whether MID-OR-MAIL is a message ID or a mail address.
6719 Returns `mid' if MID-OR-MAIL is a message IDs, `mail' if it's a mail
6720 address, `ask' if unsure and `invalid' if the string is invalid."
6721 (let ((case-fold-search nil)
6722 (list gnus-button-mid-or-mail-heuristic-alist)
6723 (result 0) rate regexp lpartlen elem)
6725 (length (gnus-replace-in-string mid-or-mail "^\\(.*\\)@.*$" "\\1")))
6726 (gnus-message 8 "`%s', length of local part=`%s'." mid-or-mail lpartlen)
6727 ;; Certain special cases...
6730 "^0[0-9]+-[0-9][0-9][0-9][0-9]@t-online\\.de$\\|"
6731 "^[0-9]+\\.[0-9]+@compuserve\\|"
6732 "@public\\.gmane\\.org")
6734 (gnus-message 8 "`%s' is a known mail address." mid-or-mail)
6735 (setq result 'mail))
6736 (when (string-match "@.*@\\| " mid-or-mail)
6737 (gnus-message 8 "`%s' is invalid." mid-or-mail)
6738 (setq result 'invalid))
6739 ;; Nothing more to do, if result is not a number here...
6740 (when (numberp result)
6742 (setq elem (car list)
6746 (when (string-match regexp mid-or-mail)
6747 (setq result (+ result rate))
6749 9 "`%s' matched `%s', rate `%s', result `%s'."
6750 mid-or-mail regexp rate result)))
6751 (when (<= lpartlen 7)
6752 (setq result (+ result 5.0))
6753 (gnus-message 9 "`%s' matched (<= lpartlen 7), result `%s'."
6754 mid-or-mail result))
6755 (when (>= lpartlen 12)
6756 (gnus-message 9 "`%s' matched (>= lpartlen 12)" mid-or-mail)
6758 ((string-match "[0-9][^0-9]+[0-9].*@" mid-or-mail)
6759 ;; Long local part should contain realname if e-mail address,
6760 ;; too many digits: message-id.
6761 ;; $score -= 5.0 + 0.1 * $local_part_len;
6762 (setq rate (* -1.0 (+ 5.0 (* 0.1 lpartlen))))
6763 (setq result (+ result rate))
6765 9 "Many digits in `%s', rate `%s', result `%s'."
6766 mid-or-mail rate result))
6767 ((string-match "[^aeiouy][^aeiouy][^aeiouy][^aeiouy]+.*\@"
6769 ;; Too few vowels [^aeiouy]{4,}.*\@
6770 (setq result (+ result -5.0))
6772 9 "Few vowels in `%s', rate `%s', result `%s'."
6773 mid-or-mail -5.0 result))
6775 (setq result (+ result 5.0))
6777 9 "`%s', rate `%s', result `%s'." mid-or-mail 5.0 result)))))
6778 (gnus-message 8 "`%s': Final rate is `%s'." mid-or-mail result)
6779 ;; Maybe we should make this a customizable alist: (condition . 'result)
6781 ((symbolp result) result)
6782 ;; Now convert number into proper results:
6783 ((< result -10.0) 'mid)
6784 ((> result 10.0) 'mail)
6787 (defun gnus-button-handle-mid-or-mail (mid-or-mail)
6788 (let* ((pref gnus-button-prefer-mid-or-mail) guessed
6789 (url-mid (concat "news" ":" mid-or-mail))
6790 (url-mailto (concat "mailto" ":" mid-or-mail)))
6791 (gnus-message 9 "mid-or-mail=%s" mid-or-mail)
6792 (when (fboundp pref)
6794 ;; get rid of surrounding angles...
6796 (gnus-replace-in-string mid-or-mail "^<\\|>$" "")))
6797 (if (or (eq 'mid guessed) (eq 'mail guessed))
6801 (save-window-excursion
6802 (if (y-or-n-p (concat "Is <" mid-or-mail "> a mail address? "))
6805 (cond ((eq pref 'mid)
6806 (gnus-message 8 "calling `gnus-button-handle-news' %s" url-mid)
6807 (gnus-button-handle-news url-mid))
6809 (gnus-message 8 "calling `gnus-url-mailto' %s" url-mailto)
6810 (gnus-url-mailto url-mailto))
6811 (t (gnus-message 3 "Invalid string.")))))
6813 (defun gnus-button-handle-custom (fun arg)
6814 "Call function FUN on argument ARG.
6815 Both FUN and ARG are supposed to be strings. ARG will be passed
6816 as a symbol to FUN."
6817 (funcall (intern fun) (intern arg)))
6819 (defvar gnus-button-handle-describe-prefix "^\\(C-h\\|<?[Ff]1>?\\)")
6821 ;; FIXME: Maybe we should merge some of the functions that do quite similar
6824 (defun gnus-button-handle-describe-function (url)
6825 "Call `describe-function' when pushing the corresponding URL button."
6828 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))))
6830 (defun gnus-button-handle-describe-variable (url)
6831 "Call `describe-variable' when pushing the corresponding URL button."
6834 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))))
6836 (defun gnus-button-handle-symbol (url)
6837 "Display help on variable or function.
6838 Calls `describe-variable' or `describe-function'."
6839 (let ((sym (intern url)))
6841 ((fboundp sym) (describe-function sym))
6842 ((boundp sym) (describe-variable sym))
6843 (t (gnus-message 3 "`%s' is not a known function of variable." url)))))
6845 (defun gnus-button-handle-describe-key (url)
6846 "Call `describe-key' when pushing the corresponding URL button."
6848 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))
6849 (keys (ignore-errors (eval `(kbd ,key-string)))))
6852 (gnus-message 3 "Invalid key sequence in button: %s" key-string))))
6854 (defun gnus-button-handle-apropos (url)
6855 "Call `apropos' when pushing the corresponding URL button."
6856 (apropos (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6858 (defun gnus-button-handle-apropos-command (url)
6859 "Call `apropos' when pushing the corresponding URL button."
6861 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6863 (defun gnus-button-handle-apropos-variable (url)
6864 "Call `apropos' when pushing the corresponding URL button."
6866 (if (fboundp 'apropos-variable) 'apropos-variable 'apropos)
6867 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6869 (defun gnus-button-handle-apropos-documentation (url)
6870 "Call `apropos' when pushing the corresponding URL button."
6872 (if (fboundp 'apropos-documentation) 'apropos-documentation 'apropos)
6873 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6875 (defun gnus-button-handle-library (url)
6876 "Call `locate-library' when pushing the corresponding URL button."
6877 (gnus-message 9 "url=`%s'" url)
6878 (let* ((lib (locate-library url))
6879 (file (gnus-replace-in-string (or lib "") "\.elc" ".el")))
6881 (gnus-message 1 "Cannot locale library `%s'." url)
6882 (find-file-read-only file))))
6884 (defun gnus-button-handle-ctan (url)
6885 "Call `browse-url' when pushing a CTAN URL button."
6887 gnus-button-ctan-handler
6890 (gnus-replace-in-string url gnus-button-handle-ctan-bogus-regexp ""))))
6892 (defcustom gnus-button-tex-level 5
6893 "*Integer that says how many TeX-related buttons Gnus will show.
6894 The higher the number, the more buttons will appear and the more false
6895 positives are possible. Note that you can set this variable local to
6896 specific groups. Setting it higher in TeX groups is probably a good idea.
6897 See Info node `(gnus)Group Parameters' and the variable `gnus-parameters' on
6898 how to set variables in specific groups."
6900 :group 'gnus-article-buttons
6901 :link '(custom-manual "(gnus)Group Parameters")
6904 (defcustom gnus-button-man-level 5
6905 "*Integer that says how many man-related buttons Gnus will show.
6906 The higher the number, the more buttons will appear and the more false
6907 positives are possible. Note that you can set this variable local to
6908 specific groups. Setting it higher in Unix groups is probably a good idea.
6909 See Info node `(gnus)Group Parameters' and the variable `gnus-parameters' on
6910 how to set variables in specific groups."
6912 :group 'gnus-article-buttons
6913 :link '(custom-manual "(gnus)Group Parameters")
6916 (defcustom gnus-button-emacs-level 5
6917 "*Integer that says how many emacs-related buttons Gnus will show.
6918 The higher the number, the more buttons will appear and the more false
6919 positives are possible. Note that you can set this variable local to
6920 specific groups. Setting it higher in Emacs or Gnus related groups is
6921 probably a good idea. See Info node `(gnus)Group Parameters' and the variable
6922 `gnus-parameters' on how to set variables in specific groups."
6924 :group 'gnus-article-buttons
6925 :link '(custom-manual "(gnus)Group Parameters")
6928 (defcustom gnus-button-message-level 5
6929 "*Integer that says how many buttons for news or mail messages will appear.
6930 The higher the number, the more buttons will appear and the more false
6931 positives are possible."
6932 ;; mail addresses, MIDs, URLs for news, ...
6934 :group 'gnus-article-buttons
6937 (defcustom gnus-button-browse-level 5
6938 "*Integer that says how many buttons for browsing will appear.
6939 The higher the number, the more buttons will appear and the more false
6940 positives are possible."
6941 ;; stuff handled by `browse-url' or `gnus-button-embedded-url'
6943 :group 'gnus-article-buttons
6946 (defcustom gnus-button-alist
6947 '(("<\\(url:[>\n\t ]*?\\)?\\(nntp\\|news\\):[>\n\t ]*\\([^>\n\t ]*@[^>\n\t ]*\\)>"
6948 0 (>= gnus-button-message-level 0) gnus-button-handle-news 3)
6949 ((concat "\\b\\(nntp\\|news\\):\\("
6950 gnus-button-valid-localpart-regexp "@[a-z0-9.-]+[a-z]\\)")
6951 0 t gnus-button-handle-news 2)
6952 ("\\(\\b<\\(url:[>\n\t ]*\\)?\\(nntp\\|news\\):[>\n\t ]*\\(//\\)?\\([^>\n\t ]*\\)>\\)"
6953 1 (>= gnus-button-message-level 0) gnus-button-fetch-group 5)
6954 ("\\b\\(nntp\\|news\\):\\(//\\)?\\([^'\">\n\t ]+\\)"
6955 0 (>= gnus-button-message-level 0) gnus-button-fetch-group 3)
6956 ;; RFC 2392 (Don't allow `/' in domain part --> CID)
6957 ("\\bmid:\\(//\\)?\\([^'\">\n\t ]+@[^'\">\n\t /]+\\)"
6958 0 (>= gnus-button-message-level 0) gnus-button-message-id 2)
6959 ("\\bin\\( +article\\| +message\\)? +\\(<\\([^\n @<>]+@[^\n @<>]+\\)>\\)"
6960 2 (>= gnus-button-message-level 0) gnus-button-message-id 3)
6961 ("\\(<URL: *\\)mailto: *\\([^> \n\t]+\\)>"
6962 0 (>= gnus-button-message-level 0) gnus-url-mailto 2)
6963 ;; RFC 2368 (The mailto URL scheme)
6964 ("\\bmailto:\\([-a-z.@_+0-9%=?&/]+\\)"
6965 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
6966 ("\\bmailto:\\([^ \n\t]+\\)"
6967 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
6969 ((concat "\\bCTAN:[ \t\n]?[^>)!;:,'\n\t ]*\\("
6970 gnus-button-ctan-directory-regexp
6971 "[^][>)!;:,'\n\t ]+\\)")
6972 0 (>= gnus-button-tex-level 1) gnus-button-handle-ctan 1)
6973 ((concat "\\btex-archive/\\("
6974 gnus-button-ctan-directory-regexp
6975 "/[-_.a-z0-9/]+[-_./a-z0-9]+[/a-z0-9]\\)")
6976 1 (>= gnus-button-tex-level 6) gnus-button-handle-ctan 1)
6979 gnus-button-ctan-directory-regexp
6980 "/[-_.a-z0-9]+/[-_./a-z0-9]+[/a-z0-9]\\)")
6981 1 (>= gnus-button-tex-level 8) gnus-button-handle-ctan 1)
6982 ;; This is info (home-grown style) <info://foo/bar+baz>
6983 ("\\binfo://\\([^'\">\n\t ]+\\)"
6984 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url 1)
6985 ;; Info GNOME style <info:foo#bar_baz>
6986 ("\\binfo:\\([^('\n\t\r \"><][^'\n\t\r \"><]*\\)"
6987 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url-gnome 1)
6988 ;; Info KDE style <info:(foo)bar baz>
6989 ("<\\(info:\\(([^)]+)[^>\n\r]*\\)\\)>"
6990 1 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url-kde 2)
6991 ("\\((Info-goto-node\\|(info\\)[ \t\n]*\\(\"[^\"]*\"\\))" 0
6992 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url 2)
6993 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+i[ \t\n]+d?[ \t\n]?m[ \t\n]+\\([^ ]+ ?[^ ]+\\)[ \t\n]+RET"
6994 ;; Info links like `C-h i d m CC Mode RET'
6995 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-keystrokes 2)
6997 ("M-x[ \t\n]\\(customize-[^ ]+\\)[ \t\n]RET[ \t\n]\\([^ ]+\\)[ \t\n]RET" 0
6998 (>= gnus-button-emacs-level 1) gnus-button-handle-custom 1 2)
6999 ;; Emacs help commands
7000 ("M-x[ \t\n]+apropos[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
7001 ;; regexp doesn't match arguments containing ` '.
7002 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos 1)
7003 ("M-x[ \t\n]+apropos-command[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
7004 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-command 1)
7005 ("M-x[ \t\n]+apropos-variable[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
7006 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-variable 1)
7007 ("M-x[ \t\n]+apropos-documentation[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
7008 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-documentation 1)
7009 ;; The following entries may lead to many false positives so don't enable
7010 ;; them by default (use a high button level).
7011 ("/\\([a-z][-a-z0-9]+\\.el\\)\\>[^.?]"
7012 ;; Exclude [.?] for URLs in gmane.emacs.cvs
7013 1 (>= gnus-button-emacs-level 8) gnus-button-handle-library 1)
7014 ("`\\([a-z][-a-z0-9]+\\.el\\)'"
7015 1 (>= gnus-button-emacs-level 8) gnus-button-handle-library 1)
7016 ("`\\([a-z][a-z0-9]+-[a-z]+-[-a-z]+\\|\\(gnus\\|message\\)-[-a-z]+\\)'"
7017 0 (>= gnus-button-emacs-level 8) gnus-button-handle-symbol 1)
7018 ("`\\([a-z][a-z0-9]+-[a-z]+\\)'"
7019 0 (>= gnus-button-emacs-level 9) gnus-button-handle-symbol 1)
7020 ("(setq[ \t\n]+\\([a-z][a-z0-9]+-[-a-z0-9]+\\)[ \t\n]+.+)"
7021 1 (>= gnus-button-emacs-level 7) gnus-button-handle-describe-variable 1)
7022 ("\\bM-x[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
7023 1 (>= gnus-button-emacs-level 7) gnus-button-handle-describe-function 1)
7024 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+f[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
7025 0 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-function 2)
7026 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+v[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
7027 0 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-variable 2)
7028 ("`\\(\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+k[ \t\n]+\\([^']+\\)\\)'"
7029 ;; Unlike the other regexps we really have to require quoting
7030 ;; here to determine where it ends.
7031 1 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-key 3)
7032 ;; This is how URLs _should_ be embedded in text (RFC 1738, RFC 2396)...
7033 ("<URL: *\\([^<>]*\\)>"
7034 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
7035 ;; RFC 2396 (2.4.3., delims) ...
7036 ("\"URL: *\\([^\"]*\\)\""
7037 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
7038 ;; RFC 2396 (2.4.3., delims) ...
7039 ("\"URL: *\\([^\"]*\\)\""
7040 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
7042 (gnus-button-url-regexp
7043 0 (>= gnus-button-browse-level 0) browse-url 0)
7045 ("\\b\\([a-z][a-z]+([1-9])\\)\\W"
7046 0 (and (>= gnus-button-man-level 1) (< gnus-button-man-level 3))
7047 gnus-button-handle-man 1)
7048 ;; more man pages: resolv.conf(5), iso_8859-1(7), xterm(1x)
7049 ("\\b\\([a-z][-_.a-z0-9]+([1-9])\\)\\W"
7050 0 (and (>= gnus-button-man-level 3) (< gnus-button-man-level 5))
7051 gnus-button-handle-man 1)
7052 ;; even more: Apache::PerlRun(3pm), PDL::IO::FastRaw(3pm),
7053 ;; SoWWWAnchor(3iv), XSelectInput(3X11), X(1), X(7)
7054 ("\\b\\(\\(?:[a-z][-+_.:a-z0-9]+([1-9][X1a-z]*)\\)\\|\\b\\(?:X([1-9])\\)\\)\\W"
7055 0 (>= gnus-button-man-level 5) gnus-button-handle-man 1)
7056 ;; MID or mail: To avoid too many false positives we don't try to catch
7057 ;; all kind of allowed MIDs or mail addresses. Domain part must contain
7058 ;; at least one dot. TLD must contain two or three chars or be a know TLD
7059 ;; (info|name|...). Put this entry near the _end_ of `gnus-button-alist'
7060 ;; so that non-ambiguous entries (see above) match first.
7061 (gnus-button-mid-or-mail-regexp
7062 0 (>= gnus-button-message-level 5) gnus-button-handle-mid-or-mail 1))
7063 "*Alist of regexps matching buttons in article bodies.
7065 Each entry has the form (REGEXP BUTTON FORM CALLBACK PAR...), where
7066 REGEXP: is the string (case insensitive) matching text around the button (can
7067 also be Lisp expression evaluating to a string),
7068 BUTTON: is the number of the regexp grouping actually matching the button,
7069 FORM: is a Lisp expression which must eval to true for the button to
7071 CALLBACK: is the function to call when the user push this button, and each
7072 PAR: is a number of a regexp grouping whose text will be passed to CALLBACK.
7074 CALLBACK can also be a variable, in that case the value of that
7075 variable it the real callback function."
7076 :group 'gnus-article-buttons
7077 :type '(repeat (list (choice regexp variable sexp)
7078 (integer :tag "Button")
7080 (function :tag "Callback")
7083 (integer :tag "Regexp group")))))
7085 (defcustom gnus-header-button-alist
7086 '(("^\\(References\\|Message-I[Dd]\\|^In-Reply-To\\):" "<[^<>]+>"
7087 0 (>= gnus-button-message-level 0) gnus-button-message-id 0)
7088 ("^\\(From\\|Reply-To\\):" ": *\\(.+\\)$"
7089 1 (>= gnus-button-message-level 0) gnus-button-reply 1)
7090 ("^\\(Cc\\|To\\):" "[^ \t\n<>,()\"]+@[^ \t\n<>,()\"]+"
7091 0 (>= gnus-button-message-level 0) gnus-msg-mail 0)
7092 ("^X-[Uu][Rr][Ll]:" gnus-button-url-regexp
7093 0 (>= gnus-button-browse-level 0) browse-url 0)
7094 ("^Subject:" gnus-button-url-regexp
7095 0 (>= gnus-button-browse-level 0) browse-url 0)
7096 ("^[^:]+:" gnus-button-url-regexp
7097 0 (>= gnus-button-browse-level 0) browse-url 0)
7098 ("^OpenPGP:.*url=" gnus-button-url-regexp
7099 0 (>= gnus-button-browse-level 0) gnus-button-openpgp 0)
7100 ("^[^:]+:" "\\bmailto:\\([-a-z.@_+0-9%=?&/]+\\)"
7101 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
7102 ("^[^:]+:" "\\(<\\(url: \\)?\\(nntp\\|news\\):\\([^>\n ]*\\)>\\)"
7103 1 (>= gnus-button-message-level 0) gnus-button-message-id 4))
7104 "*Alist of headers and regexps to match buttons in article heads.
7106 This alist is very similar to `gnus-button-alist', except that each
7107 alist has an additional HEADER element first in each entry:
7109 \(HEADER REGEXP BUTTON FORM CALLBACK PAR)
7111 HEADER is a regexp to match a header. For a fuller explanation, see
7112 `gnus-button-alist'."
7113 :group 'gnus-article-buttons
7114 :group 'gnus-article-headers
7115 :type '(repeat (list (regexp :tag "Header")
7116 (choice regexp variable)
7117 (integer :tag "Button")
7119 (function :tag "Callback")
7122 (integer :tag "Regexp group")))))
7126 (defun gnus-article-push-button (event)
7127 "Check text under the mouse pointer for a callback function.
7128 If the text under the mouse pointer has a `gnus-callback' property,
7129 call it with the value of the `gnus-data' text property."
7131 (set-buffer (window-buffer (posn-window (event-start event))))
7132 (let* ((pos (posn-point (event-start event)))
7133 (data (get-text-property pos 'gnus-data))
7134 (fun (get-text-property pos 'gnus-callback)))
7137 (funcall fun data))))
7139 (defun gnus-article-press-button ()
7140 "Check text at point for a callback function.
7141 If the text at point has a `gnus-callback' property,
7142 call it with the value of the `gnus-data' text property."
7144 (let ((data (get-text-property (point) 'gnus-data))
7145 (fun (get-text-property (point) 'gnus-callback)))
7147 (funcall fun data))))
7149 (defun gnus-article-prev-button (n)
7150 "Move point to N buttons backward.
7151 If N is negative, move forward instead."
7153 (gnus-article-next-button (- n)))
7155 (defun gnus-article-next-button (n)
7156 "Move point to N buttons forward.
7157 If N is negative, move backward instead."
7159 (let ((function (if (< n 0) 'previous-single-property-change
7160 'next-single-property-change))
7161 (inhibit-point-motion-hooks t)
7163 (limit (if (< n 0) (point-min) (point-max))))
7165 (while (and (not (= limit (point)))
7167 ;; Skip past the current button.
7168 (when (get-text-property (point) 'gnus-callback)
7169 (goto-char (funcall function (point) 'gnus-callback nil limit)))
7170 ;; Go to the next (or previous) button.
7171 (gnus-goto-char (funcall function (point) 'gnus-callback nil limit))
7172 ;; Put point at the start of the button.
7173 (when (and backward (not (get-text-property (point) 'gnus-callback)))
7174 (goto-char (funcall function (point) 'gnus-callback nil limit)))
7175 ;; Skip past intangible buttons.
7176 (when (get-text-property (point) 'intangible)
7180 (gnus-message 5 "No more buttons"))
7183 (defun gnus-article-highlight (&optional force)
7184 "Highlight current article.
7185 This function calls `gnus-article-highlight-headers',
7186 `gnus-article-highlight-citation',
7187 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
7188 do the highlighting. See the documentation for those functions."
7189 (interactive (list 'force))
7190 (gnus-article-highlight-headers)
7191 (gnus-article-highlight-citation force)
7192 (gnus-article-highlight-signature)
7193 (gnus-article-add-buttons force)
7194 (gnus-article-add-buttons-to-head))
7196 (defun gnus-article-highlight-some (&optional force)
7197 "Highlight current article.
7198 This function calls `gnus-article-highlight-headers',
7199 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
7200 do the highlighting. See the documentation for those functions."
7201 (interactive (list 'force))
7202 (gnus-article-highlight-headers)
7203 (gnus-article-highlight-signature)
7204 (gnus-article-add-buttons))
7206 (defun gnus-article-highlight-headers ()
7207 "Highlight article headers as specified by `gnus-header-face-alist'."
7209 (gnus-with-article-headers
7210 (let (regexp header-face field-face from hpoints fpoints)
7211 (dolist (entry gnus-header-face-alist)
7212 (goto-char (point-min))
7213 (setq regexp (concat "^\\("
7214 (if (string-equal "" (nth 0 entry))
7218 header-face (nth 1 entry)
7219 field-face (nth 2 entry))
7220 (while (and (re-search-forward regexp nil t)
7224 (unless (search-forward ":" nil t)
7226 (when (and header-face
7227 (not (memq (point) hpoints)))
7228 (push (point) hpoints)
7229 (gnus-put-text-property from (point) 'face header-face))
7230 (when (and field-face
7231 (not (memq (setq from (point)) fpoints)))
7233 (if (re-search-forward "^[^ \t]" nil t)
7235 (goto-char (point-max)))
7236 (gnus-put-text-property from (point) 'face field-face)))))))
7238 (defun gnus-article-highlight-signature ()
7239 "Highlight the signature in an article.
7240 It does this by highlighting everything after
7241 `gnus-signature-separator' using the face `gnus-signature'."
7243 (when gnus-signature-face
7244 (gnus-with-article-buffer
7245 (let ((inhibit-point-motion-hooks t))
7247 (when (gnus-article-narrow-to-signature)
7248 (gnus-overlay-put (gnus-make-overlay (point-min) (point-max))
7249 'face gnus-signature-face)))))))
7251 (defun gnus-article-buttonize-signature ()
7252 "Add button to the signature."
7255 (set-buffer gnus-article-buffer)
7256 (let ((inhibit-read-only t)
7257 (inhibit-point-motion-hooks t))
7258 (when (gnus-article-search-signature)
7259 (gnus-article-add-button (match-beginning 0) (match-end 0)
7260 'gnus-signature-toggle
7261 (set-marker (make-marker)
7262 (1+ (match-end 0))))))))
7264 (defun gnus-button-in-region-p (b e prop)
7265 "Say whether PROP exists in the region."
7266 (text-property-not-all b e prop nil))
7268 (defun gnus-article-add-buttons (&optional force)
7269 "Find external references in the article and make buttons of them.
7270 \"External references\" are things like Message-IDs and URLs, as
7271 specified by `gnus-button-alist'."
7272 (interactive (list 'force))
7273 (gnus-with-article-buffer
7274 (let ((inhibit-point-motion-hooks t)
7275 (case-fold-search t)
7276 (alist gnus-button-alist)
7278 ;; Remove all old markers.
7279 (let (marker entry new-list)
7280 (while (setq marker (pop gnus-button-marker-list))
7281 (if (or (< marker (point-min)) (>= marker (point-max)))
7282 (push marker new-list)
7284 (when (setq entry (gnus-button-entry))
7285 (put-text-property (match-beginning (nth 1 entry))
7286 (match-end (nth 1 entry))
7287 'gnus-callback nil))
7288 (set-marker marker nil)))
7289 (setq gnus-button-marker-list new-list))
7290 ;; We skip the headers.
7293 (while (setq entry (pop alist))
7294 (setq regexp (eval (car entry)))
7296 (while (re-search-forward regexp nil t)
7297 (let* ((start (and entry (match-beginning (nth 1 entry))))
7298 (end (and entry (match-end (nth 1 entry))))
7299 (from (match-beginning 0)))
7300 (when (and (or (eq t (nth 2 entry))
7301 (eval (nth 2 entry)))
7302 (not (gnus-button-in-region-p
7303 start end 'gnus-callback)))
7304 ;; That optional form returned non-nil, so we add the
7306 (gnus-article-add-button
7307 start end 'gnus-button-push
7308 (car (push (set-marker (make-marker) from)
7309 gnus-button-marker-list))))))))))
7311 ;; Add buttons to the head of an article.
7312 (defun gnus-article-add-buttons-to-head ()
7313 "Add buttons to the head of the article."
7315 (gnus-with-article-headers
7317 (dolist (entry gnus-header-button-alist)
7318 ;; Each alist entry.
7319 (goto-char (point-min))
7320 (while (re-search-forward (car entry) nil t)
7321 ;; Each header matching the entry.
7322 (setq beg (match-beginning 0))
7323 (setq end (or (and (re-search-forward "^[^ \t]" nil t)
7324 (match-beginning 0))
7327 (while (re-search-forward (eval (nth 1 entry)) end t)
7328 ;; Each match within a header.
7329 (let* ((entry (cdr entry))
7330 (start (match-beginning (nth 1 entry)))
7331 (end (match-end (nth 1 entry)))
7332 (form (nth 2 entry)))
7333 (goto-char (match-end 0))
7335 (gnus-article-add-button
7336 start end (nth 3 entry)
7337 (buffer-substring (match-beginning (nth 4 entry))
7338 (match-end (nth 4 entry)))))))
7339 (goto-char end))))))
7341 ;;; External functions:
7343 (defun gnus-article-add-button (from to fun &optional data)
7344 "Create a button between FROM and TO with callback FUN and data DATA."
7345 (when gnus-article-button-face
7346 (gnus-overlay-put (gnus-make-overlay from to)
7347 'face gnus-article-button-face))
7348 (gnus-add-text-properties
7350 (nconc (and gnus-article-mouse-face
7351 (list gnus-mouse-face-prop gnus-article-mouse-face))
7352 (list 'gnus-callback fun)
7353 (and data (list 'gnus-data data))))
7354 (widget-convert-button 'link from to :action 'gnus-widget-press-button
7355 :button-keymap gnus-widget-button-keymap))
7357 ;;; Internal functions:
7359 (defun gnus-article-set-globals ()
7360 (with-current-buffer gnus-summary-buffer
7361 (gnus-set-global-variables)))
7363 (defun gnus-signature-toggle (end)
7364 (gnus-with-article-buffer
7365 (let ((inhibit-point-motion-hooks t)
7366 (limit (next-single-property-change end 'mime-view-entity
7368 (if (text-property-any end limit 'article-type 'signature)
7370 (gnus-delete-wash-type 'signature)
7371 (gnus-remove-text-properties-when
7372 'article-type 'signature end limit
7373 (cons 'article-type (cons 'signature
7374 gnus-hidden-properties))))
7375 (gnus-add-wash-type 'signature)
7376 (gnus-add-text-properties-when
7377 'article-type nil end limit
7378 (cons 'article-type (cons 'signature
7379 gnus-hidden-properties)))))
7380 (let ((gnus-article-mime-handle-alist-1 gnus-article-mime-handle-alist))
7381 (gnus-set-mode-line 'article))))
7383 (defun gnus-button-entry ()
7384 ;; Return the first entry in `gnus-button-alist' matching this place.
7385 (let ((alist gnus-button-alist)
7388 (setq entry (pop alist))
7389 (if (looking-at (eval (car entry)))
7394 (defun gnus-button-push (marker)
7395 ;; Push button starting at MARKER.
7398 (let* ((entry (gnus-button-entry))
7399 (inhibit-point-motion-hooks t)
7401 (args (mapcar (lambda (group)
7402 (let ((string (match-string group)))
7403 (set-text-properties
7404 0 (length string) nil string)
7411 (fboundp (symbol-value fun)))
7412 (apply (symbol-value fun) args))
7414 (gnus-message 1 "You must define `%S' to use this button"
7415 (cons fun args)))))))
7417 (defun gnus-parse-news-url (url)
7418 (let (scheme server port group message-id articles)
7421 (goto-char (point-min))
7422 (when (looking-at "\\([A-Za-z]+\\):")
7423 (setq scheme (match-string 1))
7424 (goto-char (match-end 0)))
7425 (when (looking-at "//\\([^:/]+\\)\\(:?\\)\\([0-9]+\\)?/")
7426 (setq server (match-string 1))
7427 (setq port (if (stringp (match-string 3))
7428 (string-to-number (match-string 3))
7430 (goto-char (match-end 0)))
7433 ((looking-at "\\(.*@.*\\)")
7434 (setq message-id (match-string 1)))
7435 ((looking-at "\\([^/]+\\)/\\([-0-9]+\\)")
7436 (setq group (match-string 1)
7437 articles (split-string (match-string 2) "-")))
7438 ((looking-at "\\([^/]+\\)/?")
7439 (setq group (match-string 1)))
7441 (error "Unknown news URL syntax"))))
7442 (list scheme server port group message-id articles)))
7444 (defun gnus-button-handle-news (url)
7446 (destructuring-bind (scheme server port group message-id articles)
7447 (gnus-parse-news-url url)
7451 (set-buffer gnus-summary-buffer)
7453 (let ((gnus-refer-article-method
7454 (nconc (list (list 'nntp server))
7455 gnus-refer-article-method))
7456 (nntp-port-number (or port "nntp")))
7457 (gnus-message 7 "Fetching %s with %s"
7458 message-id gnus-refer-article-method)
7459 (gnus-summary-refer-article message-id))
7460 (gnus-summary-refer-article message-id))))
7462 (gnus-button-fetch-group url)))))
7464 (defun gnus-button-handle-man (url)
7466 (gnus-message 9 "`%s' `%s'" gnus-button-man-handler url)
7467 (when (eq gnus-button-man-handler 'woman)
7468 (setq url (gnus-replace-in-string url "([1-9][X1a-z]*).*\\'" "")))
7469 (gnus-message 9 "`%s' `%s'" gnus-button-man-handler url)
7470 (funcall gnus-button-man-handler url))
7472 (defun gnus-button-handle-info-url (url)
7473 "Fetch an info URL."
7474 (setq url (mm-subst-char-in-string ?+ ?\ url))
7476 ((string-match "^\\([^:/]+\\)?/\\(.*\\)" url)
7477 (gnus-info-find-node
7478 (concat "(" (or (gnus-url-unhex-string (match-string 1 url))
7480 ")" (gnus-url-unhex-string (match-string 2 url)))))
7481 ((string-match "([^)\"]+)[^\"]+" url)
7483 (gnus-replace-in-string
7484 (gnus-replace-in-string url "[\n\t ]+" " ") "\"" ""))
7485 (gnus-info-find-node url))
7486 (t (error "Can't parse %s" url))))
7488 (defun gnus-button-handle-info-url-gnome (url)
7489 "Fetch GNOME style info URL."
7490 (setq url (mm-subst-char-in-string ?_ ?\ url))
7491 (if (string-match "\\([^#]+\\)#?\\(.*\\)" url)
7492 (gnus-info-find-node
7494 (gnus-url-unhex-string
7495 (match-string 1 url))
7497 (or (gnus-url-unhex-string
7498 (match-string 2 url))
7500 (error "Can't parse %s" url)))
7502 (defun gnus-button-handle-info-url-kde (url)
7503 "Fetch KDE style info URL."
7504 (gnus-info-find-node (gnus-url-unhex-string url)))
7506 (defun gnus-button-handle-info-keystrokes (url)
7507 "Call `info' when pushing the corresponding URL button."
7508 ;; For links like `C-h i d m gnus RET', `C-h i d m CC Mode RET'.
7513 (defun gnus-button-openpgp (url)
7514 "Retrieve and add an OpenPGP key given URL from an OpenPGP header."
7516 (mm-url-insert-file-contents-external url)
7517 (pgg-snarf-keys-region (point-min) (point-max))
7518 (pgg-display-output-buffer nil nil nil)))
7520 (defun gnus-button-message-id (message-id)
7522 (with-current-buffer gnus-summary-buffer
7523 (gnus-summary-refer-article message-id)))
7525 (defun gnus-button-fetch-group (address)
7526 "Fetch GROUP specified by ADDRESS."
7527 (if (not (string-match "[:/]" address))
7528 ;; This is just a simple group url.
7529 (gnus-group-read-ephemeral-group address gnus-select-method)
7532 "^\\([^:/]+\\)\\(:\\([^/]+\\)\\)?/\\([^/]+\\)\\(/\\([0-9]+\\)\\)?"
7534 (error "Can't parse %s" address)
7535 (gnus-group-read-ephemeral-group
7536 (match-string 4 address)
7537 `(nntp ,(match-string 1 address)
7538 (nntp-address ,(match-string 1 address))
7539 (nntp-port-number ,(if (match-end 3)
7540 (match-string 3 address)
7543 (and (match-end 6) (list (string-to-number (match-string 6 address))))))))
7545 (defun gnus-url-parse-query-string (query &optional downcase)
7546 (let (retval pairs cur key val)
7547 (setq pairs (split-string query "&"))
7549 (setq cur (car pairs)
7551 (if (not (string-match "=" cur))
7553 (setq key (gnus-url-unhex-string (substring cur 0 (match-beginning 0)))
7554 val (gnus-url-unhex-string (substring cur (match-end 0) nil) t))
7556 (setq key (downcase key)))
7557 (setq cur (assoc key retval))
7559 (setcdr cur (cons val (cdr cur)))
7560 (setq retval (cons (list key val) retval)))))
7563 (defun gnus-url-mailto (url)
7564 ;; Send mail to someone
7565 (when (string-match "mailto:/*\\(.*\\)" url)
7566 (setq url (substring url (match-beginning 1) nil)))
7567 (let (to args subject func)
7568 (setq args (gnus-url-parse-query-string
7569 (if (string-match "^\\?" url)
7571 (if (string-match "^\\([^?]+\\)\\?\\(.*\\)" url)
7572 (concat "to=" (match-string 1 url) "&"
7573 (match-string 2 url))
7574 (concat "to=" url)))
7576 subject (cdr-safe (assoc "subject" args)))
7579 (setq func (intern-soft (concat "message-goto-" (downcase (caar args)))))
7582 (message-position-on-field (caar args)))
7583 (insert (gnus-replace-in-string
7584 (mapconcat 'identity (reverse (cdar args)) ", ")
7586 (setq args (cdr args)))
7589 (message-goto-subject))))
7591 (defun gnus-button-embedded-url (address)
7592 "Activate ADDRESS with `browse-url'."
7593 (browse-url (gnus-strip-whitespace address)))
7595 ;;; Next/prev buttons in the article buffer.
7597 (defvar gnus-next-page-line-format "%{%(Next page...%)%}\n")
7598 (defvar gnus-prev-page-line-format "%{%(Previous page...%)%}\n")
7600 (defvar gnus-prev-page-map
7601 (let ((map (make-sparse-keymap)))
7602 (define-key map gnus-mouse-2 'gnus-button-prev-page)
7603 (define-key map "\r" 'gnus-button-prev-page)
7606 (defvar gnus-next-page-map
7607 (let ((map (make-sparse-keymap)))
7608 (unless (>= emacs-major-version 21)
7609 ;; XEmacs doesn't care.
7610 (set-keymap-parent map gnus-article-mode-map))
7611 (define-key map gnus-mouse-2 'gnus-button-next-page)
7612 (define-key map "\r" 'gnus-button-next-page)
7615 (defun gnus-insert-prev-page-button ()
7617 (inhibit-read-only t)
7618 (situation (get-text-property (point-min) 'mime-view-situation)))
7620 gnus-prev-page-line-format nil
7621 `(keymap ,gnus-prev-page-map
7623 gnus-callback gnus-article-button-prev-page
7624 article-type annotation
7625 mime-view-situation ,situation))
7626 (widget-convert-button
7628 ;; Exclude a newline.
7631 :action 'gnus-button-prev-page
7632 :button-keymap gnus-prev-page-map)))
7634 (defun gnus-button-next-page (&optional args more-args)
7635 "Go to the next page."
7637 (let ((win (selected-window)))
7638 (select-window (gnus-get-buffer-window gnus-article-buffer t))
7639 (gnus-article-next-page)
7640 (select-window win)))
7642 (defun gnus-button-prev-page (&optional args more-args)
7643 "Go to the prev page."
7645 (let ((win (selected-window)))
7646 (select-window (gnus-get-buffer-window gnus-article-buffer t))
7647 (gnus-article-prev-page)
7648 (select-window win)))
7650 (defun gnus-insert-next-page-button ()
7652 (inhibit-read-only t)
7653 (situation (get-text-property (point-min) 'mime-view-situation)))
7654 (gnus-eval-format gnus-next-page-line-format nil
7655 `(keymap ,gnus-next-page-map
7657 gnus-callback gnus-article-button-next-page
7658 article-type annotation
7659 mime-view-situation ,situation))
7660 (widget-convert-button
7662 ;; Exclude a newline.
7665 :action 'gnus-button-next-page
7666 :button-keymap gnus-next-page-map)))
7668 (defun gnus-article-button-next-page (arg)
7669 "Go to the next page."
7671 (let ((win (selected-window)))
7672 (select-window (gnus-get-buffer-window gnus-article-buffer t))
7673 (gnus-article-next-page)
7674 (select-window win)))
7676 (defun gnus-article-button-prev-page (arg)
7677 "Go to the prev page."
7679 (let ((win (selected-window)))
7680 (select-window (gnus-get-buffer-window gnus-article-buffer t))
7681 (gnus-article-prev-page)
7682 (select-window win)))
7684 (defvar gnus-decode-header-methods
7685 '(mail-decode-encoded-word-region)
7686 "List of methods used to decode headers.
7688 This variable is a list of FUNCTION or (REGEXP . FUNCTION). If item
7689 is FUNCTION, FUNCTION will be applied to all newsgroups. If item is a
7690 \(REGEXP . FUNCTION), FUNCTION will be only apply to the newsgroups
7691 whose names match REGEXP.
7694 \((\"chinese\" . gnus-decode-encoded-word-region-by-guess)
7695 mail-decode-encoded-word-region
7696 (\"chinese\" . rfc1843-decode-region))
7699 (defvar gnus-decode-header-methods-cache nil)
7701 (defun gnus-multi-decode-header (start end)
7702 "Apply the functions from `gnus-encoded-word-methods' that match."
7703 (unless (and gnus-decode-header-methods-cache
7704 (eq gnus-newsgroup-name
7705 (car gnus-decode-header-methods-cache)))
7706 (setq gnus-decode-header-methods-cache (list gnus-newsgroup-name))
7709 (nconc gnus-decode-header-methods-cache (list x))
7710 (if (and gnus-newsgroup-name
7711 (string-match (car x) gnus-newsgroup-name))
7712 (nconc gnus-decode-header-methods-cache
7714 gnus-decode-header-methods))
7715 (let ((xlist gnus-decode-header-methods-cache))
7718 (narrow-to-region start end)
7720 (funcall (pop xlist) (point-min) (point-max))))))
7723 ;;; Treatment top-level handling.
7726 (defun gnus-treat-article (condition &optional part-number total-parts type)
7727 (let ((length (- (point-max) (point-min)))
7728 (alist gnus-treatment-function-alist)
7729 (article-goto-body-goes-to-point-min-p t)
7733 (let ((list gnus-article-treat-types))
7735 (when (string-match (pop list) type)
7736 (throw 'found t)))))))
7737 (highlightp (gnus-visual-p 'article-highlight 'highlight))
7738 (entity (static-unless (featurep 'xemacs)
7739 (when (eq 'head condition)
7740 (get-text-property (point-min) 'mime-view-entity))))
7741 val elem buttonized)
7742 (gnus-run-hooks 'gnus-part-display-hook)
7743 (unless gnus-inhibit-treatment
7744 (dolist (elem alist)
7747 (when (gnus-buffer-live-p gnus-summary-buffer)
7748 (set-buffer gnus-summary-buffer))
7749 (symbol-value (car elem))))
7750 (when (and (or (consp val)
7752 (gnus-treat-predicate val)
7753 (or (not (get (car elem) 'highlight))
7755 (when (and (not buttonized)
7757 '(gnus-treat-hide-signature
7758 gnus-treat-highlight-signature)))
7759 (gnus-article-buttonize-signature)
7760 (setq buttonized t))
7762 (funcall (cadr elem)))))
7763 ;; FSF Emacsen does not inherit the existing text properties
7764 ;; in the new text, so we should do it for `mime-view-entity'.
7765 (static-unless (featurep 'xemacs)
7767 (put-text-property (point-min) (point-max)
7768 'mime-view-entity entity))))))
7770 ;; Dynamic variables.
7772 (defvar part-number)
7773 (defvar total-parts)
7778 (defun gnus-treat-predicate (val)
7783 (stringp (car val)))
7784 (apply 'gnus-or (mapcar `(lambda (s)
7785 (string-match s ,(or gnus-newsgroup-name "")))
7788 (let ((pred (pop val)))
7791 (apply 'gnus-or (mapcar 'gnus-treat-predicate val)))
7793 (apply 'gnus-and (mapcar 'gnus-treat-predicate val)))
7795 (not (gnus-treat-predicate (car val))))
7797 (equal (car val) type))
7799 (error "%S is not a valid predicate" pred)))))
7811 (eq part-number total-parts))
7815 (error "%S is not a valid value" val))))
7817 (defun gnus-article-encrypt-body (protocol &optional n)
7818 "Encrypt the article body."
7821 (or gnus-article-encrypt-protocol
7822 (completing-read "Encrypt protocol: "
7823 gnus-article-encrypt-protocol-alist
7825 current-prefix-arg))
7826 (let ((func (cdr (assoc protocol gnus-article-encrypt-protocol-alist))))
7828 (error "Can't find the encrypt protocol %s" protocol))
7829 (if (member gnus-newsgroup-name '("nndraft:delayed"
7832 (error "Can't encrypt the article in group %s"
7833 gnus-newsgroup-name))
7834 (gnus-summary-iterate n
7836 (set-buffer gnus-summary-buffer)
7837 (let ((mail-parse-charset gnus-newsgroup-charset)
7838 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets)
7839 (summary-buffer gnus-summary-buffer)
7841 (gnus-set-global-variables)
7842 (when (gnus-group-read-only-p)
7843 (error "The current newsgroup does not support article encrypt"))
7844 (gnus-summary-show-article t)
7846 (or (mail-header-references gnus-current-headers) ""))
7847 (set-buffer gnus-article-buffer)
7848 (let* ((inhibit-read-only t)
7850 (mapcar (lambda (field)
7851 (and (save-restriction
7852 (message-narrow-to-head)
7853 (goto-char (point-min))
7854 (search-forward field nil t))
7856 (message-narrow-to-field)
7858 (delete-region (point-min) (point-max))
7860 '("Content-Type:" "Content-Transfer-Encoding:"
7861 "Content-Disposition:"))))
7862 (message-narrow-to-head)
7863 (message-remove-header "MIME-Version")
7864 (goto-char (point-max))
7865 (setq point (point))
7866 (insert (apply 'concat headers))
7868 (narrow-to-region point (point-max))
7869 (let ((message-options message-options))
7870 (message-options-set 'message-sender user-mail-address)
7871 (message-options-set 'message-recipients user-mail-address)
7872 (message-options-set 'message-sign-encrypt 'not)
7874 (goto-char (point-min))
7875 (insert "MIME-Version: 1.0\n")
7877 (gnus-summary-edit-article-done
7878 references nil summary-buffer t))
7879 (when gnus-keep-backlog
7880 (gnus-backlog-remove-article
7881 (car gnus-article-current) (cdr gnus-article-current)))
7883 (when (get-buffer gnus-original-article-buffer)
7884 (set-buffer gnus-original-article-buffer)
7885 (setq gnus-original-article nil)))
7886 (when gnus-use-cache
7887 (gnus-cache-update-article
7888 (car gnus-article-current) (cdr gnus-article-current))))))))
7890 (defvar gnus-mime-security-button-line-format "%{%([[%t:%i]%D]%)%}\n"
7891 "The following specs can be used:
7892 %t The security MIME type
7895 %D Details if button is pressed")
7897 (defvar gnus-mime-security-button-end-line-format "%{%([[End of %t]%D]%)%}\n"
7898 "The following specs can be used:
7899 %t The security MIME type
7902 %D Details if button is pressed")
7904 (defvar gnus-mime-security-button-line-format-alist
7905 '((?t gnus-tmp-type ?s)
7906 (?i gnus-tmp-info ?s)
7907 (?d gnus-tmp-details ?s)
7908 (?D gnus-tmp-pressed-details ?s)))
7910 (defvar gnus-mime-security-button-map
7911 (let ((map (make-sparse-keymap)))
7912 (define-key map gnus-mouse-2 'gnus-article-push-button)
7913 (define-key map "\r" 'gnus-article-press-button)
7916 (defvar gnus-mime-security-details-buffer nil)
7918 (defvar gnus-mime-security-button-pressed nil)
7920 (defvar gnus-mime-security-show-details-inline t
7921 "If non-nil, show details in the article buffer.")
7923 (defun gnus-mime-security-verify-or-decrypt (handle)
7924 (mm-remove-parts (cdr handle))
7925 (let ((region (mm-handle-multipart-ctl-parameter handle 'gnus-region))
7926 point (inhibit-read-only t))
7928 (goto-char (car region)))
7930 (narrow-to-region (point) (point))
7931 (with-current-buffer (mm-handle-multipart-original-buffer handle)
7932 (let* ((mm-verify-option 'known)
7933 (mm-decrypt-option 'known)
7934 (nparts (mm-possibly-verify-or-decrypt (cdr handle) handle)))
7935 (unless (eq nparts (cdr handle))
7936 (mm-destroy-parts (cdr handle))
7937 (setcdr handle nparts))))
7938 (setq point (point))
7939 (gnus-mime-display-security handle)
7940 (goto-char (point-max)))
7942 (delete-region (point) (cdr region))
7943 (set-marker (car region) nil)
7944 (set-marker (cdr region) nil))
7947 (defun gnus-mime-security-show-details (handle)
7948 (let ((details (mm-handle-multipart-ctl-parameter handle 'gnus-details)))
7950 (gnus-message 5 "No details.")
7951 (if gnus-mime-security-show-details-inline
7952 (let ((gnus-mime-security-button-pressed
7953 (not (get-text-property (point) 'gnus-mime-details)))
7954 (gnus-mime-security-button-line-format
7955 (get-text-property (point) 'gnus-line-format))
7956 (inhibit-read-only t))
7958 (while (eq (get-text-property (point) 'gnus-line-format)
7959 gnus-mime-security-button-line-format)
7963 (narrow-to-region (point) (point))
7964 (gnus-insert-mime-security-button handle))
7965 (delete-region (point)
7966 (or (text-property-not-all
7969 gnus-mime-security-button-line-format)
7972 (if (gnus-buffer-live-p gnus-mime-security-details-buffer)
7973 (with-current-buffer gnus-mime-security-details-buffer
7976 (setq gnus-mime-security-details-buffer
7977 (gnus-get-buffer-create "*MIME Security Details*")))
7978 (with-current-buffer gnus-mime-security-details-buffer
7980 (goto-char (point-min)))
7981 (pop-to-buffer gnus-mime-security-details-buffer)))))
7983 (defun gnus-mime-security-press-button (handle)
7985 (if (mm-handle-multipart-ctl-parameter handle 'gnus-info)
7986 (gnus-mime-security-show-details handle)
7987 (gnus-mime-security-verify-or-decrypt handle))))
7989 (defun gnus-insert-mime-security-button (handle &optional displayed)
7990 (let* ((protocol (mm-handle-multipart-ctl-parameter handle 'protocol))
7993 (or (nth 2 (assoc protocol mm-verify-function-alist))
7994 (nth 2 (assoc protocol mm-decrypt-function-alist))
7996 (if (equal (car handle) "multipart/signed")
7997 " Signed" " Encrypted")
8000 (or (mm-handle-multipart-ctl-parameter handle 'gnus-info)
8003 (mm-handle-multipart-ctl-parameter handle 'gnus-details))
8004 gnus-tmp-pressed-details
8006 (setq gnus-tmp-details
8007 (if gnus-tmp-details
8008 (concat "\n" gnus-tmp-details)
8010 (setq gnus-tmp-pressed-details
8011 (if gnus-mime-security-button-pressed gnus-tmp-details ""))
8016 gnus-mime-security-button-line-format
8017 gnus-mime-security-button-line-format-alist
8018 `(keymap ,gnus-mime-security-button-map
8019 gnus-callback gnus-mime-security-press-button
8020 gnus-line-format ,gnus-mime-security-button-line-format
8021 gnus-mime-details ,gnus-mime-security-button-pressed
8022 article-type annotation
8025 ;; Exclude a newline.
8028 (widget-convert-button
8031 :action 'gnus-widget-press-button
8032 :button-keymap gnus-mime-security-button-map
8034 (lambda (widget/window &optional overlay pos)
8035 ;; Needed to properly clear the message due to a bug in
8036 ;; wid-edit (XEmacs only).
8037 (when (boundp 'help-echo-owns-message)
8038 (setq help-echo-owns-message t))
8041 (aref gnus-mouse-2 0))))))
8043 (defun gnus-mime-display-security (handle)
8045 (narrow-to-region (point) (point))
8046 (unless (gnus-unbuttonized-mime-type-p (car handle))
8047 (gnus-insert-mime-security-button handle))
8048 (gnus-mime-display-part (cadr handle))
8051 (unless (gnus-unbuttonized-mime-type-p (car handle))
8052 (let ((gnus-mime-security-button-line-format
8053 gnus-mime-security-button-end-line-format))
8054 (gnus-insert-mime-security-button handle)))
8055 (mm-set-handle-multipart-parameter
8057 (cons (set-marker (make-marker) (point-min))
8058 (set-marker (make-marker) (point-max))))))
8064 (defun gnus-article-header-presentation-method (entity situation)
8065 (mime-insert-header entity)
8066 (article-decode-group-name))
8068 (set-alist 'mime-header-presentation-method-alist
8069 'gnus-original-article-mode
8070 #'gnus-article-header-presentation-method)
8072 (defun gnus-mime-preview-quitting-method ()
8073 (mime-preview-kill-buffer)
8074 (delete-other-windows)
8075 (gnus-article-show-summary)
8076 (gnus-summary-select-article gnus-show-all-headers t))
8078 (set-alist 'mime-preview-quitting-method-alist
8079 'gnus-original-article-mode #'gnus-mime-preview-quitting-method)
8081 (set-alist 'mime-preview-following-method-alist
8082 'gnus-original-article-mode #'gnus-following-method)
8084 (set-alist 'mime-preview-over-to-previous-method-alist
8085 'gnus-original-article-mode
8087 (if (> (point-min) 1)
8088 (gnus-article-prev-page)
8089 (gnus-article-read-summary-keys
8090 nil (gnus-character-to-event ?P)))))
8092 (set-alist 'mime-preview-over-to-next-method-alist
8093 'gnus-original-article-mode'
8095 (if (< (point-max) (buffer-size))
8096 (gnus-article-next-page)
8097 (gnus-article-read-summary-keys
8098 nil (gnus-character-to-event ?N)))))
8108 (run-hooks 'gnus-art-load-hook)
8110 ;;; gnus-art.el ends here