1 ;;; gnus-art.el --- article mode commands for 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>
9 ;; This file is part of GNU Emacs.
11 ;; GNU Emacs is free software; you can redistribute it and/or modify
12 ;; it under the terms of the GNU General Public License as published by
13 ;; the Free Software Foundation; either version 2, or (at your option)
16 ;; GNU Emacs is distributed in the hope that it will be useful,
17 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 ;; GNU General Public License for more details.
21 ;; You should have received a copy of the GNU General Public License
22 ;; along with GNU Emacs; see the file COPYING. If not, write to the
23 ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
24 ;; Boston, MA 02110-1301, USA.
33 (defvar w3m-minor-mode-map))
36 ;; Avoid the "Recursive load suspected" error in Emacs 21.1.
38 (let ((recursive-load-depth-limit 100))
51 (autoload 'gnus-msg-mail "gnus-msg" nil t)
52 (autoload 'gnus-button-mailto "gnus-msg")
53 (autoload 'gnus-button-reply "gnus-msg" nil t)
54 (autoload 'parse-time-string "parse-time" nil nil)
55 (autoload 'ansi-color-apply-on-region "ansi-color")
56 (autoload 'mm-url-insert-file-contents-external "mm-url")
57 (autoload 'mm-extern-cache-contents "mm-extern")
59 (defgroup gnus-article nil
61 :link '(custom-manual "(gnus)Article Buffer")
64 (defgroup gnus-article-treat nil
65 "Treating article parts."
66 :link '(custom-manual "(gnus)Article Hiding")
69 (defgroup gnus-article-hiding nil
70 "Hiding article parts."
71 :link '(custom-manual "(gnus)Article Hiding")
74 (defgroup gnus-article-highlight nil
75 "Article highlighting."
76 :link '(custom-manual "(gnus)Article Highlighting")
80 (defgroup gnus-article-signature nil
82 :link '(custom-manual "(gnus)Article Signature")
85 (defgroup gnus-article-headers nil
87 :link '(custom-manual "(gnus)Hiding Headers")
90 (defgroup gnus-article-washing nil
91 "Special commands on articles."
92 :link '(custom-manual "(gnus)Article Washing")
95 (defgroup gnus-article-emphasis nil
96 "Fontisizing articles."
97 :link '(custom-manual "(gnus)Article Fontisizing")
100 (defgroup gnus-article-saving nil
102 :link '(custom-manual "(gnus)Saving Articles")
103 :group 'gnus-article)
105 (defgroup gnus-article-mime nil
106 "Worshiping the MIME wonder."
107 :link '(custom-manual "(gnus)Using MIME")
108 :group 'gnus-article)
110 (defgroup gnus-article-buttons nil
111 "Pushable buttons in the article buffer."
112 :link '(custom-manual "(gnus)Article Buttons")
113 :group 'gnus-article)
115 (defgroup gnus-article-various nil
116 "Other article options."
117 :link '(custom-manual "(gnus)Misc Article")
118 :group 'gnus-article)
120 (defcustom gnus-ignored-headers
123 (concat "^" header ":"))
124 '("Path" "Expires" "Date-Received" "References" "Xref" "Lines"
125 "Relay-Version" "Message-ID" "Approved" "Sender" "Received"
126 "X-UIDL" "MIME-Version" "Return-Path" "In-Reply-To"
127 "Content-Type" "Content-Transfer-Encoding" "X-WebTV-Signature"
128 "X-MimeOLE" "X-MSMail-Priority" "X-Priority" "X-Loop"
129 "X-Authentication-Warning" "X-MIME-Autoconverted" "X-Face"
130 "X-Attribution" "X-Originating-IP" "Delivered-To"
131 "NNTP-[-A-Za-z]+" "Distribution" "X-no-archive" "X-Trace"
132 "X-Complaints-To" "X-NNTP-Posting-Host" "X-Orig.*"
133 "Abuse-Reports-To" "Cache-Post-Path" "X-Article-Creation-Date"
134 "X-Poster" "X-Mail2News-Path" "X-Server-Date" "X-Cache"
135 "Originator" "X-Problems-To" "X-Auth-User" "X-Post-Time"
136 "X-Admin" "X-UID" "Resent-[-A-Za-z]+" "X-Mailing-List"
137 "Precedence" "Original-[-A-Za-z]+" "X-filename" "X-Orcpt"
138 "Old-Received" "X-Pgp" "X-Auth" "X-From-Line"
139 "X-Gnus-Article-Number" "X-Majordomo" "X-Url" "X-Sender"
140 "MBOX-Line" "Priority" "X400-[-A-Za-z]+"
141 "Status" "X-Gnus-Mail-Source" "Cancel-Lock"
142 "X-FTN" "X-EXP32-SerialNo" "Encoding" "Importance"
143 "Autoforwarded" "Original-Encoded-Information-Types" "X-Ya-Pop3"
144 "X-Face-Version" "X-Vms-To" "X-ML-NAME" "X-ML-COUNT"
145 "Mailing-List" "X-finfo" "X-md5sum" "X-md5sum-Origin"
146 "X-Sun-Charset" "X-Accept-Language" "X-Envelope-Sender"
147 "List-[A-Za-z]+" "X-Listprocessor-Version"
148 "X-Received" "X-Distribute" "X-Sequence" "X-Juno-Line-Breaks"
149 "X-Notes-Item" "X-MS-TNEF-Correlator" "x-uunet-gateway"
150 "X-Received" "Content-length" "X-precedence"
151 "X-Authenticated-User" "X-Comment" "X-Report" "X-Abuse-Info"
152 "X-HTTP-Proxy" "X-Mydeja-Info" "X-Copyright" "X-No-Markup"
153 "X-Abuse-Info" "X-From_" "X-Accept-Language" "Errors-To"
154 "X-BeenThere" "X-Mailman-Version" "List-Help" "List-Post"
155 "List-Subscribe" "List-Id" "List-Unsubscribe" "List-Archive"
156 "X-Content-length" "X-Posting-Agent" "Original-Received"
157 "X-Request-PGP" "X-Fingerprint" "X-WRIEnvto" "X-WRIEnvfrom"
158 "X-Virus-Scanned" "X-Delivery-Agent" "Posted-Date" "X-Gateway"
159 "X-Local-Origin" "X-Local-Destination" "X-UserInfo1"
160 "X-Received-Date" "X-Hashcash" "Face" "X-DMCA-Notifications"
161 "X-Abuse-and-DMCA-Info" "X-Postfilter" "X-Gpg-.*" "X-Disclaimer"
162 "Envelope-To" "X-Spam-Score" "System-Type" "X-Injected-Via-Gmane"
163 "X-Gmane-NNTP-Posting-Host" "Jabber-ID" "Archived-At"
164 "Envelope-Sender" "Envelope-Recipients"))
165 "*All headers that start with this regexp will be hidden.
166 This variable can also be a list of regexps of headers to be ignored.
167 If `gnus-visible-headers' is non-nil, this variable will be ignored."
168 :type '(choice :custom-show nil
171 :group 'gnus-article-hiding)
173 (defcustom gnus-visible-headers
174 "^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:"
175 "*All headers that do not match this regexp will be hidden.
176 This variable can also be a list of regexp of headers to remain visible.
177 If this variable is non-nil, `gnus-ignored-headers' will be ignored."
178 :type '(repeat :value-to-internal (lambda (widget value)
179 (custom-split-regexp-maybe value))
180 :match (lambda (widget value)
182 (widget-editable-list-match widget value)))
184 :group 'gnus-article-hiding)
186 (defcustom gnus-sorted-header-list
187 '("^From:" "^Subject:" "^Summary:" "^Keywords:" "^Newsgroups:"
188 "^Followup-To:" "^To:" "^Cc:" "^Date:" "^Organization:")
189 "*This variable is a list of regular expressions.
190 If it is non-nil, headers that match the regular expressions will
191 be placed first in the article buffer in the sequence specified by
193 :type '(repeat regexp)
194 :group 'gnus-article-hiding)
196 (defcustom gnus-boring-article-headers '(empty followup-to reply-to)
197 "Headers that are only to be displayed if they have interesting data.
198 Possible values in this list are:
200 'empty Headers with no content.
201 'newsgroups Newsgroup identical to Gnus group.
202 'to-address To identical to To-address.
203 'to-list To identical to To-list.
204 'cc-list CC identical to To-list.
205 'followup-to Followup-to identical to Newsgroups.
206 'reply-to Reply-to identical to From.
207 'date Date less than four days old.
208 'long-to To and/or Cc longer than 1024 characters.
209 'many-to Multiple To and/or Cc."
210 :type '(set (const :tag "Headers with no content." empty)
211 (const :tag "Newsgroups identical to Gnus group." newsgroups)
212 (const :tag "To identical to To-address." to-address)
213 (const :tag "To identical to To-list." to-list)
214 (const :tag "CC identical to To-list." cc-list)
215 (const :tag "Followup-to identical to Newsgroups." followup-to)
216 (const :tag "Reply-to identical to From." reply-to)
217 (const :tag "Date less than four days old." date)
218 (const :tag "To and/or Cc longer than 1024 characters." long-to)
219 (const :tag "Multiple To and/or Cc headers." many-to))
220 :group 'gnus-article-hiding)
222 (defcustom gnus-article-skip-boring nil
223 "Skip over text that is not worth reading.
224 By default, if you set this t, then Gnus will display citations and
225 signatures, but will never scroll down to show you a page consisting
226 only of boring text. Boring text is controlled by
227 `gnus-article-boring-faces'."
230 :group 'gnus-article-hiding)
232 (defcustom gnus-signature-separator '("^-- $" "^-- *$")
233 "Regexp matching signature separator.
234 This can also be a list of regexps. In that case, it will be checked
235 from head to tail looking for a separator. Searches will be done from
236 the end of the buffer."
237 :type '(choice :format "%{%t%}: %[Value Menu%]\n%v"
239 (repeat :tag "List of regexp" regexp))
240 :group 'gnus-article-signature)
242 (defcustom gnus-signature-limit nil
243 "Provide a limit to what is considered a signature.
244 If it is a number, no signature may not be longer (in characters) than
245 that number. If it is a floating point number, no signature may be
246 longer (in lines) than that number. If it is a function, the function
247 will be called without any parameters, and if it returns nil, there is
248 no signature in the buffer. If it is a string, it will be used as a
249 regexp. If it matches, the text in question is not a signature.
251 This can also be a list of the above values."
252 :type '(choice (const nil)
255 (function :value fun)
256 (regexp :value ".*"))
257 :group 'gnus-article-signature)
259 (defcustom gnus-hidden-properties '(invisible t intangible t)
260 "Property list to use for hiding text."
262 :group 'gnus-article-hiding)
264 ;; Fixme: This isn't the right thing for mixed graphical and non-graphical
265 ;; frames in a session.
266 (defcustom gnus-article-x-face-command
267 (if (featurep 'xemacs)
268 (if (or (gnus-image-type-available-p 'xface)
269 (gnus-image-type-available-p 'pbm))
270 'gnus-display-x-face-in-from
271 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | ee -")
272 (if (gnus-image-type-available-p 'pbm)
273 'gnus-display-x-face-in-from
274 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | \
276 "*String or function to be executed to display an X-Face header.
277 If it is a string, the command will be executed in a sub-shell
278 asynchronously. The compressed face will be piped to this command."
279 :type `(choice string
280 (function-item gnus-display-x-face-in-from)
284 :group 'gnus-article-washing)
286 (defcustom gnus-article-x-face-too-ugly nil
287 "Regexp matching posters whose face shouldn't be shown automatically."
288 :type '(choice regexp (const nil))
289 :group 'gnus-article-washing)
291 (defcustom gnus-article-banner-alist nil
292 "Banner alist for stripping.
294 ((egroups . \"^[ \\t\\n]*-------------------+\\\\( \\\\(e\\\\|Yahoo! \\\\)Groups Sponsor -+\\\\)?....\\n\\\\(.+\\n\\\\)+\"))"
296 :type '(repeat (cons symbol regexp))
297 :group 'gnus-article-washing)
299 (gnus-define-group-parameter
302 "Alist of regexps (to match group names) and banner."
303 :variable-group gnus-article-washing
305 '(choice :tag "Banner"
307 (const :tag "Remove signature" signature)
308 (symbol :tag "Item in `gnus-article-banner-alist'" none)
310 (const :tag "None" nil))
312 "If non-nil, specify how to remove `banners' from articles.
314 Symbol `signature' means to remove signatures delimited by
315 `gnus-signature-separator'. Any other symbol is used to look up a
316 regular expression to match the banner in `gnus-article-banner-alist'.
317 A string is used as a regular expression to match the banner
320 (defcustom gnus-article-address-banner-alist nil
321 "Alist of mail addresses and banners.
322 Each element has the form (ADDRESS . BANNER), where ADDRESS is a regexp
323 to match a mail address in the From: header, BANNER is one of a symbol
324 `signature', an item in `gnus-article-banner-alist', a regexp and nil.
325 If ADDRESS matches author's mail address, it will remove things like
326 advertisements. For example:
328 \((\"@yoo-hoo\\\\.co\\\\.jp\\\\'\" . \"\\n_+\\nDo You Yoo-hoo!\\\\?\\n.*\\n.*\\n\"))
332 (regexp :tag "Address")
333 (choice :tag "Banner" :value nil
334 (const :tag "Remove signature" signature)
335 (symbol :tag "Item in `gnus-article-banner-alist'" none)
337 (const :tag "None" nil))))
339 :group 'gnus-article-washing)
341 (defmacro gnus-emphasis-custom-with-format (&rest body)
343 \\(\\s-\\|^\\|\\=\\|[-\"]\\|\\s(\\)\\(%s\\(\\w+\\(\\s-+\\w+\\)*[.,]?\\)%s\\)\
344 \\(\\([-,.;:!?\"]\\|\\s)\\)+\\s-\\|[?!.]\\s-\\|\\s)\\|\\s-\\)"))
347 (defun gnus-emphasis-custom-value-to-external (value)
348 (gnus-emphasis-custom-with-format
349 (if (consp (car value))
350 (list (format format (car (car value)) (cdr (car value)))
352 (if (nth 1 value) 2 3)
356 (defun gnus-emphasis-custom-value-to-internal (value)
357 (gnus-emphasis-custom-with-format
358 (let ((regexp (concat "\\`"
359 (format (regexp-quote format)
360 "\\([^()]+\\)" "\\([^()]+\\)")
363 (if (string-match regexp (setq pattern (car value)))
364 (list (cons (match-string 1 pattern) (match-string 2 pattern))
369 (defcustom gnus-emphasis-alist
371 '(("\\*" "\\*" bold nil 2)
374 ("_/" "/_" underline-italic)
375 ("_\\*" "\\*_" underline-bold)
376 ("\\*/" "/\\*" bold-italic)
377 ("_\\*/" "/\\*_" underline-bold-italic))))
379 (gnus-emphasis-custom-with-format
380 (mapcar (lambda (spec)
381 (list (format format (car spec) (cadr spec))
384 (intern (format "gnus-emphasis-%s" (nth 2 spec)))))
386 '(;; I've never seen anyone use this strikethru convention whereas I've
387 ;; several times seen it triggered by normal text. --Stef
388 ;; Miles suggests that this form is sometimes used but for italics,
389 ;; so maybe we should map it to `italic'.
390 ;; ("\\(\\s-\\|^\\)\\(-\\(\\(\\w\\|-[^-]\\)+\\)-\\)\\(\\s-\\|[?!.,;]\\)"
391 ;; 2 3 gnus-emphasis-strikethru)
392 ("\\(\\s-\\|^\\)\\(_\\(\\(\\w\\|_[^_]\\)+\\)_\\)\\(\\s-\\|[?!.,;]\\)"
393 2 3 gnus-emphasis-underline))))
394 "*Alist that says how to fontify certain phrases.
395 Each item looks like this:
397 (\"_\\\\(\\\\w+\\\\)_\" 0 1 'underline)
399 The first element is a regular expression to be matched. The second
400 is a number that says what regular expression grouping used to find
401 the entire emphasized word. The third is a number that says what
402 regexp grouping should be displayed and highlighted. The fourth
403 is the face used for highlighting."
407 :format "%[Customizing Style%]\n%v"
409 (group :tag "Default"
410 :value ("" 0 0 default)
413 (let ((value (widget-get
414 (cadr (widget-get (widget-get widget :parent)
417 (if (not (eq (nth 2 value) 'default))
421 (gnus-emphasis-custom-value-to-external value))))
422 (widget-group-value-create widget))
424 (integer :format "Match group: %v")
425 (integer :format "Emphasize group: %v")
428 :value (("_" . "_") nil default)
430 (regexp :format "Start regexp: %v")
431 (regexp :format "End regexp: %v"))
432 (boolean :format "Show start and end patterns: %[%v%]\n"
433 :on " On " :off " Off ")
435 :get (lambda (symbol)
436 (mapcar 'gnus-emphasis-custom-value-to-internal
437 (default-value symbol)))
438 :set (lambda (symbol value)
439 (set-default symbol (mapcar 'gnus-emphasis-custom-value-to-external
441 :group 'gnus-article-emphasis)
443 (defcustom gnus-emphasize-whitespace-regexp "^[ \t]+\\|[ \t]*\n"
444 "A regexp to describe whitespace which should not be emphasized.
445 Typical values are \"^[ \\t]+\\\\|[ \\t]*\\n\" and \"[ \\t]+\\\\|[ \\t]*\\n\".
446 The former avoids underlining of leading and trailing whitespace,
447 and the latter avoids underlining any whitespace at all."
449 :group 'gnus-article-emphasis
452 (defface gnus-emphasis-bold '((t (:bold t)))
453 "Face used for displaying strong emphasized text (*word*)."
454 :group 'gnus-article-emphasis)
456 (defface gnus-emphasis-italic '((t (:italic t)))
457 "Face used for displaying italic emphasized text (/word/)."
458 :group 'gnus-article-emphasis)
460 (defface gnus-emphasis-underline '((t (:underline t)))
461 "Face used for displaying underlined emphasized text (_word_)."
462 :group 'gnus-article-emphasis)
464 (defface gnus-emphasis-underline-bold '((t (:bold t :underline t)))
465 "Face used for displaying underlined bold emphasized text (_*word*_)."
466 :group 'gnus-article-emphasis)
468 (defface gnus-emphasis-underline-italic '((t (:italic t :underline t)))
469 "Face used for displaying underlined italic emphasized text (_/word/_)."
470 :group 'gnus-article-emphasis)
472 (defface gnus-emphasis-bold-italic '((t (:bold t :italic t)))
473 "Face used for displaying bold italic emphasized text (/*word*/)."
474 :group 'gnus-article-emphasis)
476 (defface gnus-emphasis-underline-bold-italic
477 '((t (:bold t :italic t :underline t)))
478 "Face used for displaying underlined bold italic emphasized text.
479 Example: (_/*word*/_)."
480 :group 'gnus-article-emphasis)
482 (defface gnus-emphasis-strikethru (if (featurep 'xemacs)
483 '((t (:strikethru t)))
484 '((t (:strike-through t))))
485 "Face used for displaying strike-through text (-word-)."
486 :group 'gnus-article-emphasis)
488 (defface gnus-emphasis-highlight-words
489 '((t (:background "black" :foreground "yellow")))
490 "Face used for displaying highlighted words."
491 :group 'gnus-article-emphasis)
493 (defcustom gnus-article-time-format "%a, %d %b %Y %T %Z"
494 "Format for display of Date headers in article bodies.
495 See `format-time-string' for the possible values.
497 The variable can also be function, which should return a complete Date
498 header. The function is called with one argument, the time, which can
499 be fed to `format-time-string'."
500 :type '(choice string function)
501 :link '(custom-manual "(gnus)Article Date")
502 :group 'gnus-article-washing)
504 (defcustom gnus-save-all-headers t
505 "*If non-nil, don't remove any headers before saving."
506 :group 'gnus-article-saving
509 (defcustom gnus-prompt-before-saving 'always
510 "*This variable says how much prompting is to be done when saving articles.
511 If it is nil, no prompting will be done, and the articles will be
512 saved to the default files. If this variable is `always', each and
513 every article that is saved will be preceded by a prompt, even when
514 saving large batches of articles. If this variable is neither nil not
515 `always', there the user will be prompted once for a file name for
516 each invocation of the saving commands."
517 :group 'gnus-article-saving
518 :type '(choice (item always)
519 (item :tag "never" nil)
520 (sexp :tag "once" :format "%t\n" :value t)))
522 (defcustom gnus-saved-headers gnus-visible-headers
523 "Headers to keep if `gnus-save-all-headers' is nil.
524 If `gnus-save-all-headers' is non-nil, this variable will be ignored.
525 If that variable is nil, however, all headers that match this regexp
526 will be kept while the rest will be deleted before saving."
527 :group 'gnus-article-saving
530 (defcustom gnus-default-article-saver 'gnus-summary-save-in-rmail
531 "A function to save articles in your favourite format.
532 The function will be called by way of the `gnus-summary-save-article'
533 command, and friends such as `gnus-summary-save-article-rmail'.
535 Gnus provides the following functions:
537 * gnus-summary-save-in-rmail (Rmail format)
538 * gnus-summary-save-in-mail (Unix mail format)
539 * gnus-summary-save-in-folder (MH folder)
540 * gnus-summary-save-in-file (article format)
541 * gnus-summary-save-body-in-file (article body)
542 * gnus-summary-save-in-vm (use VM's folder format)
543 * gnus-summary-write-to-file (article format -- overwrite)
544 * gnus-summary-write-body-to-file (article body -- overwrite)."
545 :group 'gnus-article-saving
546 :type '(radio (function-item gnus-summary-save-in-rmail)
547 (function-item gnus-summary-save-in-mail)
548 (function-item gnus-summary-save-in-folder)
549 (function-item gnus-summary-save-in-file)
550 (function-item gnus-summary-save-body-in-file)
551 (function-item gnus-summary-save-in-vm)
552 (function-item gnus-summary-write-to-file)
553 (function-item gnus-summary-write-body-to-file)
556 (defcustom gnus-article-save-coding-system
557 (or (and (mm-coding-system-p 'utf-8) 'utf-8)
558 (and (mm-coding-system-p 'iso-2022-7bit) 'iso-2022-7bit)
559 (and (mm-coding-system-p 'emacs-mule) 'emacs-mule)
560 (and (mm-coding-system-p 'escape-quoted) 'escape-quoted))
561 "Coding system used to save decoded articles to a file.
563 The recommended coding systems are `utf-8', `iso-2022-7bit' and so on,
564 which can safely encode any characters in text. This is used by the
567 * gnus-summary-save-article-file
568 * gnus-summary-save-article-body-file
569 * gnus-summary-write-article-file
570 * gnus-summary-write-article-body-file
572 and the functions to which you may set `gnus-default-article-saver':
574 * gnus-summary-save-in-file
575 * gnus-summary-save-body-in-file
576 * gnus-summary-write-to-file
577 * gnus-summary-write-body-to-file
579 Those commands and functions save just text displayed in the article
580 buffer to a file if the value of this variable is non-nil. Note that
581 buttonized MIME parts will be lost in a saved file in that case.
582 Otherwise, raw articles will be saved."
583 :group 'gnus-article-saving
585 :format "%{%t%}:\n %[Value Menu%] %v"
586 (const :tag "Save raw articles" nil)
589 (lambda (arg) (if (mm-coding-system-p (nth 3 arg)) arg))
590 '((const :tag "UTF-8" utf-8)
591 (const :tag "iso-2022-7bit" iso-2022-7bit)
592 (const :tag "Emacs internal" emacs-mule)
593 (const :tag "escape-quoted" escape-quoted))))
594 (symbol :tag "Coding system")))
596 (defcustom gnus-rmail-save-name 'gnus-plain-save-name
597 "A function generating a file name to save articles in Rmail format.
598 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
599 :group 'gnus-article-saving
602 (defcustom gnus-mail-save-name 'gnus-plain-save-name
603 "A function generating a file name to save articles in Unix mail format.
604 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
605 :group 'gnus-article-saving
608 (defcustom gnus-folder-save-name 'gnus-folder-save-name
609 "A function generating a file name to save articles in MH folder.
610 The function is called with NEWSGROUP, HEADERS, and optional LAST-FOLDER."
611 :group 'gnus-article-saving
614 (defcustom gnus-file-save-name 'gnus-numeric-save-name
615 "A function generating a file name to save articles in article format.
616 The function is called with NEWSGROUP, HEADERS, and optional
618 :group 'gnus-article-saving
621 (defcustom gnus-split-methods
622 '((gnus-article-archive-name)
623 (gnus-article-nndoc-name))
624 "*Variable used to suggest where articles are to be saved.
625 For instance, if you would like to save articles related to Gnus in
626 the file \"gnus-stuff\", and articles related to VM in \"vm-stuff\",
627 you could set this variable to something like:
629 '((\"^Subject:.*gnus\\|^Newsgroups:.*gnus\" \"gnus-stuff\")
630 (\"^Subject:.*vm\\|^Xref:.*vm\" \"vm-stuff\"))
632 This variable is an alist where the key is the match and the
633 value is a list of possible files to save in if the match is
636 If the match is a string, it is used as a regexp match on the
637 article. If the match is a symbol, that symbol will be funcalled
638 from the buffer of the article to be saved with the newsgroup as
639 the parameter. If it is a list, it will be evaled in the same
642 If this form or function returns a string, this string will be
643 used as a possible file name; and if it returns a non-nil list,
644 that list will be used as possible file names."
645 :group 'gnus-article-saving
646 :type '(repeat (choice (list :value (fun) function)
647 (cons :value ("" "") regexp (repeat string))
650 (defcustom gnus-page-delimiter "^\^L"
651 "*Regexp describing what to use as article page delimiters.
652 The default value is \"^\^L\", which is a form linefeed at the
653 beginning of a line."
655 :group 'gnus-article-various)
657 (defcustom gnus-article-mode-line-format "Gnus: %g [%w] %S%m"
658 "*The format specification for the article mode line.
659 See `gnus-summary-mode-line-format' for a closer description.
661 The following additional specs are available:
663 %w The article washing status.
664 %m The number of MIME parts in the article."
666 :group 'gnus-article-various)
668 (defcustom gnus-article-mode-hook nil
669 "*A hook for Gnus article mode."
671 :group 'gnus-article-various)
673 (when (featurep 'xemacs)
674 ;; Extracted from gnus-xmas-define in order to preserve user settings
675 (when (fboundp 'turn-off-scroll-in-place)
676 (add-hook 'gnus-article-mode-hook 'turn-off-scroll-in-place))
677 ;; Extracted from gnus-xmas-redefine in order to preserve user settings
678 (add-hook 'gnus-article-mode-hook 'gnus-xmas-article-menu-add))
680 (defcustom gnus-article-menu-hook nil
681 "*Hook run after the creation of the article mode menu."
683 :group 'gnus-article-various)
685 (defcustom gnus-article-prepare-hook nil
686 "*A hook called after an article has been prepared in the article buffer."
688 :group 'gnus-article-various)
690 (defcustom gnus-copy-article-ignored-headers nil
691 "List of headers to be removed when copying an article.
692 Each element is a regular expression."
693 :version "23.0" ;; No Gnus
694 :type '(repeat regexp)
695 :group 'gnus-article-various)
697 (make-obsolete-variable 'gnus-article-hide-pgp-hook
698 "This variable is obsolete in Gnus 5.10.")
701 '((t (:weight bold)))
702 "Face used for highlighting a button in the article buffer."
703 :group 'gnus-article-buttons)
705 (defcustom gnus-article-button-face 'gnus-button
706 "Face used for highlighting buttons in the article buffer.
708 An article button is a piece of text that you can activate by pressing
709 `RET' or `mouse-2' above it."
711 :group 'gnus-article-buttons)
713 (defcustom gnus-article-mouse-face 'highlight
714 "Face used for mouse highlighting in the article buffer.
716 Article buttons will be displayed in this face when the cursor is
719 :group 'gnus-article-buttons)
721 (defcustom gnus-signature-face 'gnus-signature
722 "Face used for highlighting a signature in the article buffer.
723 Obsolete; use the face `gnus-signature' for customizations instead."
725 :group 'gnus-article-highlight
726 :group 'gnus-article-signature)
728 (defface gnus-signature
731 "Face used for highlighting a signature in the article buffer."
732 :group 'gnus-article-highlight
733 :group 'gnus-article-signature)
734 ;; backward-compatibility alias
735 (put 'gnus-signature-face 'face-alias 'gnus-signature)
737 (defface gnus-header-from
740 (:foreground "spring green"))
743 (:foreground "red3"))
746 "Face used for displaying from headers."
747 :group 'gnus-article-headers
748 :group 'gnus-article-highlight)
749 ;; backward-compatibility alias
750 (put 'gnus-header-from-face 'face-alias 'gnus-header-from)
752 (defface gnus-header-subject
755 (:foreground "SeaGreen3"))
758 (:foreground "red4"))
760 (:bold t :italic t)))
761 "Face used for displaying subject headers."
762 :group 'gnus-article-headers
763 :group 'gnus-article-highlight)
764 ;; backward-compatibility alias
765 (put 'gnus-header-subject-face 'face-alias 'gnus-header-subject)
767 (defface gnus-header-newsgroups
770 (:foreground "yellow" :italic t))
773 (:foreground "MidnightBlue" :italic t))
776 "Face used for displaying newsgroups headers.
777 In the default setup this face is only used for crossposted
779 :group 'gnus-article-headers
780 :group 'gnus-article-highlight)
781 ;; backward-compatibility alias
782 (put 'gnus-header-newsgroups-face 'face-alias 'gnus-header-newsgroups)
784 (defface gnus-header-name
787 (:foreground "SeaGreen"))
790 (:foreground "maroon"))
793 "Face used for displaying header names."
794 :group 'gnus-article-headers
795 :group 'gnus-article-highlight)
796 ;; backward-compatibility alias
797 (put 'gnus-header-name-face 'face-alias 'gnus-header-name)
799 (defface gnus-header-content
802 (:foreground "forest green" :italic t))
805 (:foreground "indianred4" :italic t))
807 (:italic t))) "Face used for displaying header content."
808 :group 'gnus-article-headers
809 :group 'gnus-article-highlight)
810 ;; backward-compatibility alias
811 (put 'gnus-header-content-face 'face-alias 'gnus-header-content)
813 (defcustom gnus-header-face-alist
814 '(("From" nil gnus-header-from)
815 ("Subject" nil gnus-header-subject)
816 ("Newsgroups:.*," nil gnus-header-newsgroups)
817 ("" gnus-header-name gnus-header-content))
818 "*Controls highlighting of article headers.
820 An alist of the form (HEADER NAME CONTENT).
822 HEADER is a regular expression which should match the name of a
823 header and NAME and CONTENT are either face names or nil.
825 The name of each header field will be displayed using the face
826 specified by the first element in the list where HEADER matches
827 the header name and NAME is non-nil. Similarly, the content will
828 be displayed by the first non-nil matching CONTENT face."
829 :group 'gnus-article-headers
830 :group 'gnus-article-highlight
831 :type '(repeat (list (regexp :tag "Header")
833 (item :tag "skip" nil)
834 (face :value default))
835 (choice :tag "Content"
836 (item :tag "skip" nil)
837 (face :value default)))))
839 (defcustom gnus-face-properties-alist (if (featurep 'xemacs)
840 '((xface . (:face gnus-x-face)))
841 '((pbm . (:face gnus-x-face))
843 "Alist of image types and properties applied to Face and X-Face images.
846 ;; Specify the altitude of Face images in the From header.
847 \(setq gnus-face-properties-alist
848 '((pbm . (:face gnus-x-face :ascent 80))
849 (png . (:ascent 80))))
851 ;; Show Face images as pressed buttons.
852 \(setq gnus-face-properties-alist
853 '((pbm . (:face gnus-x-face :relief -2))
854 (png . (:relief -2))))
856 See the manual for the valid properties for various image types.
857 Currently, `pbm' is used for X-Face images and `png' is used for Face
858 images in Emacs. Only the `:face' property is effective on the `xface'
859 image type in XEmacs if it is built with the libcompface library."
860 :version "23.0" ;; No Gnus
861 :group 'gnus-article-headers
862 :type '(repeat (cons :format "%v" (symbol :tag "Image type") plist)))
864 (defcustom gnus-article-decode-hook
865 '(article-decode-charset article-decode-encoded-words
866 article-decode-group-name article-decode-idna-rhs)
867 "*Hook run to decode charsets in articles."
868 :group 'gnus-article-headers
871 (defcustom gnus-display-mime-function 'gnus-display-mime
872 "Function to display MIME articles."
873 :group 'gnus-article-mime
876 (defvar gnus-decode-header-function 'mail-decode-encoded-word-region
877 "Function used to decode headers.")
879 (defvar gnus-article-dumbquotes-map
899 "Table for MS-to-Latin1 translation.")
901 (defcustom gnus-ignored-mime-types nil
902 "List of MIME types that should be ignored by Gnus."
904 :group 'gnus-article-mime
905 :type '(repeat regexp))
907 (defcustom gnus-unbuttonized-mime-types '(".*/.*")
908 "List of MIME types that should not be given buttons when rendered inline.
909 See also `gnus-buttonized-mime-types' which may override this variable.
910 This variable is only used when `gnus-inhibit-mime-unbuttonizing' is nil."
912 :group 'gnus-article-mime
913 :type '(repeat regexp))
915 (defcustom gnus-buttonized-mime-types nil
916 "List of MIME types that should be given buttons when rendered inline.
917 If set, this variable overrides `gnus-unbuttonized-mime-types'.
918 To see e.g. security buttons you could set this to
919 `(\"multipart/signed\")'. You could also add \"multipart/alternative\" to
920 this list to display radio buttons that allow you to choose one of two
921 media types those mails include. See also `mm-discouraged-alternatives'.
922 This variable is only used when `gnus-inhibit-mime-unbuttonizing' is nil."
924 :group 'gnus-article-mime
925 :type '(repeat regexp))
927 (defcustom gnus-inhibit-mime-unbuttonizing nil
928 "If non-nil, all MIME parts get buttons.
929 When nil (the default value), then some MIME parts do not get buttons,
930 as described by the variables `gnus-buttonized-mime-types' and
931 `gnus-unbuttonized-mime-types'."
933 :group 'gnus-article-mime
936 (defcustom gnus-body-boundary-delimiter "_"
937 "String used to delimit header and body.
938 This variable is used by `gnus-article-treat-body-boundary' which can
939 be controlled by `gnus-treat-body-boundary'."
941 :group 'gnus-article-various
942 :type '(choice (item :tag "None" :value nil)
945 (defcustom gnus-picon-databases '("/usr/lib/picon" "/usr/local/faces"
947 "Defines the location of the faces database.
948 For information on obtaining this database of pretty pictures, please
949 see http://www.cs.indiana.edu/picons/ftp/index.html"
951 :type '(repeat directory)
952 :link '(url-link :tag "download"
953 "http://www.cs.indiana.edu/picons/ftp/index.html")
954 :link '(custom-manual "(gnus)Picons")
957 (defun gnus-picons-installed-p ()
958 "Say whether picons are installed on your machine."
959 (let ((installed nil))
960 (dolist (database gnus-picon-databases)
961 (when (file-exists-p database)
965 (defcustom gnus-article-mime-part-function nil
966 "Function called with a MIME handle as the argument.
967 This is meant for people who want to do something automatic based
968 on parts -- for instance, adding Vcard info to a database."
969 :group 'gnus-article-mime
970 :type '(choice (const nil)
973 (defcustom gnus-mime-multipart-functions nil
974 "An alist of MIME types to functions to display them."
976 :group 'gnus-article-mime
977 :type '(repeat (cons :format "%v" (string :tag "MIME type") function)))
979 (defcustom gnus-article-date-lapsed-new-header nil
980 "Whether the X-Sent and Date headers can coexist.
981 When using `gnus-treat-date-lapsed', the \"X-Sent:\" header will
982 either replace the old \"Date:\" header (if this variable is nil), or
983 be added below it (otherwise)."
985 :group 'gnus-article-headers
988 (defcustom gnus-article-mime-match-handle-function 'undisplayed-alternative
989 "Function called with a MIME handle as the argument.
990 This is meant for people who want to view first matched part.
991 For `undisplayed-alternative' (default), the first undisplayed
992 part or alternative part is used. For `undisplayed', the first
993 undisplayed part is used. For a function, the first part which
994 the function return t is used. For nil, the first part is
997 :group 'gnus-article-mime
999 (item :tag "first" :value nil)
1000 (item :tag "undisplayed" :value undisplayed)
1001 (item :tag "undisplayed or alternative"
1002 :value undisplayed-alternative)
1005 (defcustom gnus-mime-action-alist
1006 '(("save to file" . gnus-mime-save-part)
1007 ("save and strip" . gnus-mime-save-part-and-strip)
1008 ("replace with file" . gnus-mime-replace-part)
1009 ("delete part" . gnus-mime-delete-part)
1010 ("display as text" . gnus-mime-inline-part)
1011 ("view the part" . gnus-mime-view-part)
1012 ("pipe to command" . gnus-mime-pipe-part)
1013 ("toggle display" . gnus-article-press-button)
1014 ("toggle display" . gnus-article-view-part-as-charset)
1015 ("view as type" . gnus-mime-view-part-as-type)
1016 ("view internally" . gnus-mime-view-part-internally)
1017 ("view externally" . gnus-mime-view-part-externally))
1018 "An alist of actions that run on the MIME attachment."
1019 :group 'gnus-article-mime
1020 :type '(repeat (cons (string :tag "name")
1023 (defcustom gnus-auto-select-part 1
1024 "Advance to next MIME part when deleting or stripping parts.
1026 When 0, point will be placed on the same part as before. When
1027 positive (negative), move point forward (backwards) this many
1028 parts. When nil, redisplay article."
1029 :version "23.0" ;; No Gnus
1030 :group 'gnus-article-mime
1031 :type '(choice (const nil :tag "Redisplay article.")
1032 (const 1 :tag "Next part.")
1033 (const 0 :tag "Current part.")
1037 ;;; The treatment variables
1040 (defvar gnus-part-display-hook nil
1041 "Hook called on parts that are to receive treatment.")
1043 (defvar gnus-article-treat-custom
1044 '(choice (const :tag "Off" nil)
1046 (const :tag "Header" head)
1047 (const :tag "First" first)
1048 (const :tag "Last" last)
1049 (integer :tag "Less")
1050 (repeat :tag "Groups" regexp)
1051 (sexp :tag "Predicate")))
1053 (defvar gnus-article-treat-head-custom
1054 '(choice (const :tag "Off" nil)
1055 (const :tag "Header" head)))
1057 (defvar gnus-article-treat-types '("text/plain" "text/x-verbatim"
1061 (defvar gnus-inhibit-treatment nil
1062 "Whether to inhibit treatment.")
1064 (defcustom gnus-treat-highlight-signature '(or t (typep "text/x-vcard"))
1065 "Highlight the signature.
1066 Valid values are nil, t, `head', `first', `last', an integer or a
1067 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)
1071 (put 'gnus-treat-highlight-signature 'highlight t)
1073 (defcustom gnus-treat-buttonize 100000
1075 Valid values are nil, t, `head', `first', `last', an integer or a
1076 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)
1080 (put 'gnus-treat-buttonize 'highlight t)
1082 (defcustom gnus-treat-buttonize-head 'head
1083 "Add buttons to the head.
1084 Valid values are nil, t, `head', `first', `last', an integer or a
1085 predicate. See Info node `(gnus)Customizing Articles'."
1086 :group 'gnus-article-treat
1087 :link '(custom-manual "(gnus)Customizing Articles")
1088 :type gnus-article-treat-head-custom)
1089 (put 'gnus-treat-buttonize-head 'highlight t)
1091 (defcustom gnus-treat-emphasize
1092 (and (or window-system
1096 Valid values are nil, t, `head', `first', `last', an integer or a
1097 predicate. See Info node `(gnus)Customizing Articles'."
1098 :group 'gnus-article-treat
1099 :link '(custom-manual "(gnus)Customizing Articles")
1100 :type gnus-article-treat-custom)
1101 (put 'gnus-treat-emphasize 'highlight t)
1103 (defcustom gnus-treat-strip-cr nil
1104 "Remove carriage returns.
1105 Valid values are nil, t, `head', `first', `last', an integer or a
1106 predicate. See Info node `(gnus)Customizing Articles'."
1108 :group 'gnus-article-treat
1109 :link '(custom-manual "(gnus)Customizing Articles")
1110 :type gnus-article-treat-custom)
1112 (defcustom gnus-treat-unsplit-urls nil
1113 "Remove newlines from within URLs.
1114 Valid values are nil, t, `head', `first', `last', an integer or a
1115 predicate. See Info node `(gnus)Customizing Articles'."
1117 :group 'gnus-article-treat
1118 :link '(custom-manual "(gnus)Customizing Articles")
1119 :type gnus-article-treat-custom)
1121 (defcustom gnus-treat-leading-whitespace nil
1122 "Remove leading whitespace in headers.
1123 Valid values are nil, t, `head', `first', `last', an integer or a
1124 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-headers 'head
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-head-custom)
1138 (defcustom gnus-treat-hide-boring-headers nil
1139 "Hide boring headers.
1140 Valid values are nil, t, `head', `first', `last', an integer or a
1141 predicate. See Info node `(gnus)Customizing Articles'."
1142 :group 'gnus-article-treat
1143 :link '(custom-manual "(gnus)Customizing Articles")
1144 :type gnus-article-treat-head-custom)
1146 (defcustom gnus-treat-hide-signature nil
1147 "Hide the signature.
1148 Valid values are nil, t, `head', `first', `last', an integer or a
1149 predicate. See Info node `(gnus)Customizing Articles'."
1150 :group 'gnus-article-treat
1151 :link '(custom-manual "(gnus)Customizing Articles")
1152 :type gnus-article-treat-custom)
1154 (defcustom gnus-treat-fill-article nil
1156 Valid values are nil, t, `head', `first', `last', an integer or a
1157 predicate. See Info node `(gnus)Customizing Articles'."
1158 :group 'gnus-article-treat
1159 :link '(custom-manual "(gnus)Customizing Articles")
1160 :type gnus-article-treat-custom)
1162 (defcustom gnus-treat-hide-citation nil
1164 Valid values are nil, t, `head', `first', `last', an integer or a
1165 predicate. See Info node `(gnus)Customizing Articles'."
1166 :group 'gnus-article-treat
1167 :link '(custom-manual "(gnus)Customizing Articles")
1168 :type gnus-article-treat-custom)
1170 (defcustom gnus-treat-hide-citation-maybe nil
1172 Valid values are nil, t, `head', `first', `last', an integer or a
1173 predicate. See Info node `(gnus)Customizing Articles'."
1174 :group 'gnus-article-treat
1175 :link '(custom-manual "(gnus)Customizing Articles")
1176 :type gnus-article-treat-custom)
1178 (defcustom gnus-treat-strip-list-identifiers 'head
1179 "Strip list identifiers from `gnus-list-identifiers`.
1180 Valid values are nil, t, `head', `first', `last', an integer or a
1181 predicate. See Info node `(gnus)Customizing Articles'."
1183 :group 'gnus-article-treat
1184 :link '(custom-manual "(gnus)Customizing Articles")
1185 :type gnus-article-treat-custom)
1187 (make-obsolete-variable 'gnus-treat-strip-pgp
1188 "This option is obsolete in Gnus 5.10.")
1190 (defcustom gnus-treat-strip-pem nil
1191 "Strip PEM signatures.
1192 Valid values are nil, t, `head', `first', `last', an integer or a
1193 predicate. See Info node `(gnus)Customizing Articles'."
1194 :group 'gnus-article-treat
1195 :link '(custom-manual "(gnus)Customizing Articles")
1196 :type gnus-article-treat-custom)
1198 (defcustom gnus-treat-strip-banner t
1199 "Strip banners from articles.
1200 The banner to be stripped is specified in the `banner' group parameter.
1201 Valid values are nil, t, `head', `first', `last', an integer or a
1202 predicate. See Info node `(gnus)Customizing Articles'."
1203 :group 'gnus-article-treat
1204 :link '(custom-manual "(gnus)Customizing Articles")
1205 :type gnus-article-treat-custom)
1207 (defcustom gnus-treat-highlight-headers 'head
1208 "Highlight the headers.
1209 Valid values are nil, t, `head', `first', `last', an integer or a
1210 predicate. See Info node `(gnus)Customizing Articles'."
1211 :group 'gnus-article-treat
1212 :link '(custom-manual "(gnus)Customizing Articles")
1213 :type gnus-article-treat-head-custom)
1214 (put 'gnus-treat-highlight-headers 'highlight t)
1216 (defcustom gnus-treat-highlight-citation t
1217 "Highlight cited text.
1218 Valid values are nil, t, `head', `first', `last', an integer or a
1219 predicate. See Info node `(gnus)Customizing Articles'."
1220 :group 'gnus-article-treat
1221 :link '(custom-manual "(gnus)Customizing Articles")
1222 :type gnus-article-treat-custom)
1223 (put 'gnus-treat-highlight-citation 'highlight t)
1225 (defcustom gnus-treat-date-ut nil
1226 "Display the Date in UT (GMT).
1227 Valid values are nil, t, `head', `first', `last', an integer or a
1228 predicate. See Info node `(gnus)Customizing Articles'."
1229 :group 'gnus-article-treat
1230 :link '(custom-manual "(gnus)Customizing Articles")
1231 :type gnus-article-treat-head-custom)
1233 (defcustom gnus-treat-date-local nil
1234 "Display the Date in the local timezone.
1235 Valid values are nil, t, `head', `first', `last', an integer or a
1236 predicate. See Info node `(gnus)Customizing Articles'."
1237 :group 'gnus-article-treat
1238 :link '(custom-manual "(gnus)Customizing Articles")
1239 :type gnus-article-treat-head-custom)
1241 (defcustom gnus-treat-date-english nil
1242 "Display the Date in a format that can be read aloud in English.
1243 Valid values are nil, t, `head', `first', `last', an integer or a
1244 predicate. See Info node `(gnus)Customizing Articles'."
1246 :group 'gnus-article-treat
1247 :link '(custom-manual "(gnus)Customizing Articles")
1248 :type gnus-article-treat-head-custom)
1250 (defcustom gnus-treat-date-lapsed nil
1251 "Display the Date header in a way that says how much time has elapsed.
1252 Valid values are nil, t, `head', `first', `last', an integer or a
1253 predicate. See Info node `(gnus)Customizing Articles'."
1254 :group 'gnus-article-treat
1255 :link '(custom-manual "(gnus)Customizing Articles")
1256 :type gnus-article-treat-head-custom)
1258 (defcustom gnus-treat-date-original nil
1259 "Display the date in the original timezone.
1260 Valid values are nil, t, `head', `first', `last', an integer or a
1261 predicate. See Info node `(gnus)Customizing Articles'."
1262 :group 'gnus-article-treat
1263 :link '(custom-manual "(gnus)Customizing Articles")
1264 :type gnus-article-treat-head-custom)
1266 (defcustom gnus-treat-date-iso8601 nil
1267 "Display the date in the ISO8601 format.
1268 Valid values are nil, t, `head', `first', `last', an integer or a
1269 predicate. See Info node `(gnus)Customizing Articles'."
1271 :group 'gnus-article-treat
1272 :link '(custom-manual "(gnus)Customizing Articles")
1273 :type gnus-article-treat-head-custom)
1275 (defcustom gnus-treat-date-user-defined nil
1276 "Display the date in a user-defined format.
1277 The format is defined by the `gnus-article-time-format' variable.
1278 Valid values are nil, t, `head', `first', `last', an integer or a
1279 predicate. See Info node `(gnus)Customizing Articles'."
1280 :group 'gnus-article-treat
1281 :link '(custom-manual "(gnus)Customizing Articles")
1282 :type gnus-article-treat-head-custom)
1284 (defcustom gnus-treat-strip-headers-in-body t
1285 "Strip the X-No-Archive header line from the beginning of the body.
1286 Valid values are nil, t, `head', `first', `last', an integer or a
1287 predicate. See Info node `(gnus)Customizing Articles'."
1289 :group 'gnus-article-treat
1290 :link '(custom-manual "(gnus)Customizing Articles")
1291 :type gnus-article-treat-custom)
1293 (defcustom gnus-treat-strip-trailing-blank-lines nil
1294 "Strip trailing blank lines.
1295 Valid values are nil, t, `head', `first', `last', an integer or a
1296 predicate. See Info node `(gnus)Customizing Articles'.
1298 When set to t, it also strips trailing blanks in all MIME parts.
1299 Consider to use `last' instead."
1300 :group 'gnus-article-treat
1301 :link '(custom-manual "(gnus)Customizing Articles")
1302 :type gnus-article-treat-custom)
1304 (defcustom gnus-treat-strip-leading-blank-lines nil
1305 "Strip leading blank lines.
1306 Valid values are nil, t, `head', `first', `last', an integer or a
1307 predicate. See Info node `(gnus)Customizing Articles'.
1309 When set to t, it also strips trailing blanks in all MIME parts."
1310 :group 'gnus-article-treat
1311 :link '(custom-manual "(gnus)Customizing Articles")
1312 :type gnus-article-treat-custom)
1314 (defcustom gnus-treat-strip-multiple-blank-lines nil
1315 "Strip multiple blank lines.
1316 Valid values are nil, t, `head', `first', `last', an integer or a
1317 predicate. See Info node `(gnus)Customizing Articles'."
1318 :group 'gnus-article-treat
1319 :link '(custom-manual "(gnus)Customizing Articles")
1320 :type gnus-article-treat-custom)
1322 (defcustom gnus-treat-unfold-headers 'head
1323 "Unfold folded header lines.
1324 Valid values are nil, t, `head', `first', `last', an integer or a
1325 predicate. See Info node `(gnus)Customizing Articles'."
1327 :group 'gnus-article-treat
1328 :link '(custom-manual "(gnus)Customizing Articles")
1329 :type gnus-article-treat-custom)
1331 (defcustom gnus-treat-fold-headers nil
1333 Valid values are nil, t, `head', `first', `last', an integer or a
1334 predicate. See Info node `(gnus)Customizing Articles'."
1336 :group 'gnus-article-treat
1337 :link '(custom-manual "(gnus)Customizing Articles")
1338 :type gnus-article-treat-custom)
1340 (defcustom gnus-treat-fold-newsgroups 'head
1341 "Fold the Newsgroups and Followup-To headers.
1342 Valid values are nil, t, `head', `first', `last', an integer or a
1343 predicate. See Info node `(gnus)Customizing Articles'."
1345 :group 'gnus-article-treat
1346 :link '(custom-manual "(gnus)Customizing Articles")
1347 :type gnus-article-treat-custom)
1349 (defcustom gnus-treat-overstrike t
1350 "Treat overstrike highlighting.
1351 Valid values are nil, t, `head', `first', `last', an integer or a
1352 predicate. See Info node `(gnus)Customizing Articles'."
1353 :group 'gnus-article-treat
1354 :link '(custom-manual "(gnus)Customizing Articles")
1355 :type gnus-article-treat-custom)
1356 (put 'gnus-treat-overstrike 'highlight t)
1358 (defcustom gnus-treat-ansi-sequences (if (locate-library "ansi-color") t)
1359 "Treat ANSI SGR control sequences.
1360 Valid values are nil, t, `head', `first', `last', an integer or a
1361 predicate. See Info node `(gnus)Customizing Articles'."
1362 :group 'gnus-article-treat
1363 :link '(custom-manual "(gnus)Customizing Articles")
1364 :type gnus-article-treat-custom)
1366 (make-obsolete-variable 'gnus-treat-display-xface
1367 'gnus-treat-display-x-face)
1369 (defcustom gnus-treat-display-x-face
1370 (and (not noninteractive)
1371 (or (and (fboundp 'image-type-available-p)
1372 (image-type-available-p 'xbm)
1373 (string-match "^0x" (shell-command-to-string "uncompface"))
1374 (executable-find "icontopbm"))
1375 (and (featurep 'xemacs)
1378 "Display X-Face headers.
1379 Valid values are nil, t, `head', `first', `last', an integer or a
1380 predicate. See Info node `(gnus)Customizing Articles' and Info
1381 node `(gnus)X-Face' for details."
1382 :group 'gnus-article-treat
1384 :link '(custom-manual "(gnus)Customizing Articles")
1385 :link '(custom-manual "(gnus)X-Face")
1386 :type gnus-article-treat-head-custom
1387 :set (lambda (symbol value)
1390 (cond ((or (boundp symbol) (get symbol 'saved-value))
1392 ((boundp 'gnus-treat-display-xface)
1394 ** gnus-treat-display-xface is an obsolete variable;\
1395 use gnus-treat-display-x-face instead")
1396 (default-value 'gnus-treat-display-xface))
1397 ((get 'gnus-treat-display-xface 'saved-value)
1399 ** gnus-treat-display-xface is an obsolete variable;\
1400 use gnus-treat-display-x-face instead")
1401 (eval (car (get 'gnus-treat-display-xface 'saved-value))))
1404 (put 'gnus-treat-display-x-face 'highlight t)
1406 (defcustom gnus-treat-display-face
1407 (and (not noninteractive)
1408 (or (and (fboundp 'image-type-available-p)
1409 (image-type-available-p 'png))
1410 (and (featurep 'xemacs)
1413 "Display Face headers.
1414 Valid values are nil, t, `head', `first', `last', an integer or a
1415 predicate. See Info node `(gnus)Customizing Articles' and Info
1416 node `(gnus)X-Face' for details."
1417 :group 'gnus-article-treat
1419 :link '(custom-manual "(gnus)Customizing Articles")
1420 :link '(custom-manual "(gnus)X-Face")
1421 :type gnus-article-treat-head-custom)
1422 (put 'gnus-treat-display-face 'highlight t)
1424 (defcustom gnus-treat-display-smileys
1425 (if (or (and (featurep 'xemacs)
1427 (and (fboundp 'image-type-available-p)
1428 (image-type-available-p 'pbm)))
1431 Valid values are nil, t, `head', `first', `last', an integer or a
1432 predicate. See Info node `(gnus)Customizing Articles' and Info
1433 node `(gnus)Smileys' for details."
1434 :group 'gnus-article-treat
1436 :link '(custom-manual "(gnus)Customizing Articles")
1437 :link '(custom-manual "(gnus)Smileys")
1438 :type gnus-article-treat-custom)
1439 (put 'gnus-treat-display-smileys 'highlight t)
1441 (defcustom gnus-treat-from-picon
1442 (if (and (gnus-image-type-available-p 'xpm)
1443 (gnus-picons-installed-p))
1445 "Display picons in the From header.
1446 Valid values are nil, t, `head', `first', `last', an integer or a
1447 predicate. See Info node `(gnus)Customizing Articles' and Info
1448 node `(gnus)Picons' for details."
1450 :group 'gnus-article-treat
1452 :link '(custom-manual "(gnus)Customizing Articles")
1453 :link '(custom-manual "(gnus)Picons")
1454 :type gnus-article-treat-head-custom)
1455 (put 'gnus-treat-from-picon 'highlight t)
1457 (defcustom gnus-treat-mail-picon
1458 (if (and (gnus-image-type-available-p 'xpm)
1459 (gnus-picons-installed-p))
1461 "Display picons in To and Cc headers.
1462 Valid values are nil, t, `head', `first', `last', an integer or a
1463 predicate. See Info node `(gnus)Customizing Articles' and Info
1464 node `(gnus)Picons' for details."
1466 :group 'gnus-article-treat
1468 :link '(custom-manual "(gnus)Customizing Articles")
1469 :link '(custom-manual "(gnus)Picons")
1470 :type gnus-article-treat-head-custom)
1471 (put 'gnus-treat-mail-picon 'highlight t)
1473 (defcustom gnus-treat-newsgroups-picon
1474 (if (and (gnus-image-type-available-p 'xpm)
1475 (gnus-picons-installed-p))
1477 "Display picons in the Newsgroups and Followup-To headers.
1478 Valid values are nil, t, `head', `first', `last', an integer or a
1479 predicate. See Info node `(gnus)Customizing Articles' and Info
1480 node `(gnus)Picons' for details."
1482 :group 'gnus-article-treat
1484 :link '(custom-manual "(gnus)Customizing Articles")
1485 :link '(custom-manual "(gnus)Picons")
1486 :type gnus-article-treat-head-custom)
1487 (put 'gnus-treat-newsgroups-picon 'highlight t)
1489 (defcustom gnus-treat-body-boundary
1490 (if (and (eq window-system 'x)
1491 (or gnus-treat-newsgroups-picon
1492 gnus-treat-mail-picon
1493 gnus-treat-from-picon))
1495 "Draw a boundary at the end of the headers.
1496 Valid values are nil and `head'.
1497 See Info node `(gnus)Customizing Articles' for details."
1499 :group 'gnus-article-treat
1500 :link '(custom-manual "(gnus)Customizing Articles")
1501 :type gnus-article-treat-head-custom)
1503 (defcustom gnus-treat-capitalize-sentences nil
1504 "Capitalize sentence-starting words.
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-wash-html nil
1514 Valid values are nil, t, `head', `first', `last', an integer or a
1515 predicate. See Info node `(gnus)Customizing Articles'."
1517 :group 'gnus-article-treat
1518 :link '(custom-manual "(gnus)Customizing Articles")
1519 :type gnus-article-treat-custom)
1521 (defcustom gnus-treat-fill-long-lines nil
1523 Valid values are nil, t, `head', `first', `last', an integer or a
1524 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-play-sounds nil
1531 Valid values are nil, t, `head', `first', `last', an integer or a
1532 predicate. See Info node `(gnus)Customizing Articles'."
1534 :group 'gnus-article-treat
1535 :link '(custom-manual "(gnus)Customizing Articles")
1536 :type gnus-article-treat-custom)
1538 (defcustom gnus-treat-translate nil
1539 "Translate articles from one language to another.
1540 Valid values are nil, t, `head', `first', `last', an integer or a
1541 predicate. See Info node `(gnus)Customizing Articles'."
1543 :group 'gnus-article-treat
1544 :link '(custom-manual "(gnus)Customizing Articles")
1545 :type gnus-article-treat-custom)
1547 (defcustom gnus-treat-x-pgp-sig nil
1549 To automatically treat X-PGP-Sig, set it to head.
1550 Valid values are nil, t, `head', `first', `last', an integer or a
1551 predicate. See Info node `(gnus)Customizing Articles'."
1553 :group 'gnus-article-treat
1554 :group 'mime-security
1555 :link '(custom-manual "(gnus)Customizing Articles")
1556 :type gnus-article-treat-custom)
1558 (defvar gnus-article-encrypt-protocol-alist
1559 '(("PGP" . mml2015-self-encrypt)))
1561 ;; Set to nil if more than one protocol added to
1562 ;; gnus-article-encrypt-protocol-alist.
1563 (defcustom gnus-article-encrypt-protocol "PGP"
1564 "The protocol used for encrypt articles.
1565 It is a string, such as \"PGP\". If nil, ask user."
1568 :group 'mime-security)
1570 (defvar gnus-article-wash-function nil
1571 "Function used for converting HTML into text.")
1573 (defcustom gnus-use-idna (and (condition-case nil (require 'idna) (file-error))
1574 (mm-coding-system-p 'utf-8)
1575 (executable-find idna-program))
1576 "Whether IDNA decoding of headers is used when viewing messages.
1577 This requires GNU Libidn, and by default only enabled if it is found."
1579 :group 'gnus-article-headers
1582 (defcustom gnus-article-over-scroll nil
1583 "If non-nil, allow scrolling the article buffer even when there no more text."
1585 :group 'gnus-article
1588 ;;; Internal variables
1590 (defvar gnus-english-month-names
1591 '("January" "February" "March" "April" "May" "June" "July" "August"
1592 "September" "October" "November" "December"))
1594 (defvar gnus-button-regexp nil)
1595 (defvar gnus-button-marker-list nil)
1596 ;; Regexp matching any of the regexps from `gnus-button-alist'.
1598 (defvar gnus-button-last nil)
1599 ;; The value of `gnus-button-alist' when `gnus-button-regexp' was build.
1601 (defvar article-goto-body-goes-to-point-min-p nil)
1602 (defvar gnus-article-wash-types nil)
1603 (defvar gnus-article-emphasis-alist nil)
1604 (defvar gnus-article-image-alist nil)
1606 (defvar gnus-article-mime-handle-alist-1 nil)
1607 (defvar gnus-treatment-function-alist
1608 '((gnus-treat-x-pgp-sig gnus-article-verify-x-pgp-sig)
1609 (gnus-treat-strip-banner gnus-article-strip-banner)
1610 (gnus-treat-strip-headers-in-body gnus-article-strip-headers-in-body)
1611 (gnus-treat-highlight-signature gnus-article-highlight-signature)
1612 (gnus-treat-buttonize gnus-article-add-buttons)
1613 (gnus-treat-fill-article gnus-article-fill-cited-article)
1614 (gnus-treat-fill-long-lines gnus-article-fill-long-lines)
1615 (gnus-treat-strip-cr gnus-article-remove-cr)
1616 (gnus-treat-unsplit-urls gnus-article-unsplit-urls)
1617 (gnus-treat-date-ut gnus-article-date-ut)
1618 (gnus-treat-date-local gnus-article-date-local)
1619 (gnus-treat-date-english gnus-article-date-english)
1620 (gnus-treat-date-original gnus-article-date-original)
1621 (gnus-treat-date-user-defined gnus-article-date-user)
1622 (gnus-treat-date-iso8601 gnus-article-date-iso8601)
1623 (gnus-treat-date-lapsed gnus-article-date-lapsed)
1624 (gnus-treat-display-x-face gnus-article-display-x-face)
1625 (gnus-treat-display-face gnus-article-display-face)
1626 (gnus-treat-hide-headers gnus-article-maybe-hide-headers)
1627 (gnus-treat-hide-boring-headers gnus-article-hide-boring-headers)
1628 (gnus-treat-hide-signature gnus-article-hide-signature)
1629 (gnus-treat-strip-list-identifiers gnus-article-hide-list-identifiers)
1630 (gnus-treat-leading-whitespace gnus-article-remove-leading-whitespace)
1631 (gnus-treat-strip-pem gnus-article-hide-pem)
1632 (gnus-treat-from-picon gnus-treat-from-picon)
1633 (gnus-treat-mail-picon gnus-treat-mail-picon)
1634 (gnus-treat-newsgroups-picon gnus-treat-newsgroups-picon)
1635 (gnus-treat-highlight-headers gnus-article-highlight-headers)
1636 (gnus-treat-highlight-signature gnus-article-highlight-signature)
1637 (gnus-treat-strip-trailing-blank-lines
1638 gnus-article-remove-trailing-blank-lines)
1639 (gnus-treat-strip-leading-blank-lines
1640 gnus-article-strip-leading-blank-lines)
1641 (gnus-treat-strip-multiple-blank-lines
1642 gnus-article-strip-multiple-blank-lines)
1643 (gnus-treat-overstrike gnus-article-treat-overstrike)
1644 (gnus-treat-ansi-sequences gnus-article-treat-ansi-sequences)
1645 (gnus-treat-unfold-headers gnus-article-treat-unfold-headers)
1646 (gnus-treat-fold-newsgroups gnus-article-treat-fold-newsgroups)
1647 (gnus-treat-fold-headers gnus-article-treat-fold-headers)
1648 (gnus-treat-buttonize-head gnus-article-add-buttons-to-head)
1649 (gnus-treat-display-smileys gnus-treat-smiley)
1650 (gnus-treat-capitalize-sentences gnus-article-capitalize-sentences)
1651 (gnus-treat-wash-html gnus-article-wash-html)
1652 (gnus-treat-emphasize gnus-article-emphasize)
1653 (gnus-treat-hide-citation gnus-article-hide-citation)
1654 (gnus-treat-hide-citation-maybe gnus-article-hide-citation-maybe)
1655 (gnus-treat-highlight-citation gnus-article-highlight-citation)
1656 (gnus-treat-body-boundary gnus-article-treat-body-boundary)
1657 (gnus-treat-play-sounds gnus-earcon-display)))
1659 (defvar gnus-article-mime-handle-alist nil)
1660 (defvar article-lapsed-timer nil)
1661 (defvar gnus-article-current-summary nil)
1663 (defvar gnus-article-mode-syntax-table
1664 (let ((table (copy-syntax-table text-mode-syntax-table)))
1665 ;; This causes the citation match run O(2^n).
1666 ;; (modify-syntax-entry ?- "w" table)
1667 (modify-syntax-entry ?> ")<" table)
1668 (modify-syntax-entry ?< "(>" table)
1669 ;; make M-. in article buffers work for `foo' strings
1670 (modify-syntax-entry ?' " " table)
1671 (modify-syntax-entry ?` " " table)
1673 "Syntax table used in article mode buffers.
1674 Initialized from `text-mode-syntax-table.")
1676 (defvar gnus-save-article-buffer nil)
1678 (defvar gnus-article-mode-line-format-alist
1679 (nconc '((?w (gnus-article-wash-status) ?s)
1680 (?m (gnus-article-mime-part-status) ?s))
1681 gnus-summary-mode-line-format-alist))
1683 (defvar gnus-number-of-articles-to-be-saved nil)
1685 (defvar gnus-inhibit-hiding nil)
1687 (defvar gnus-article-edit-mode nil)
1689 ;;; Macros for dealing with the article buffer.
1691 (defmacro gnus-with-article-headers (&rest forms)
1693 (set-buffer gnus-article-buffer)
1695 (let ((inhibit-read-only t)
1696 (inhibit-point-motion-hooks t)
1697 (case-fold-search t))
1698 (article-narrow-to-head)
1701 (put 'gnus-with-article-headers 'lisp-indent-function 0)
1702 (put 'gnus-with-article-headers 'edebug-form-spec '(body))
1704 (defmacro gnus-with-article-buffer (&rest forms)
1706 (set-buffer gnus-article-buffer)
1707 (let ((inhibit-read-only t))
1710 (put 'gnus-with-article-buffer 'lisp-indent-function 0)
1711 (put 'gnus-with-article-buffer 'edebug-form-spec '(body))
1713 (defun gnus-article-goto-header (header)
1714 "Go to HEADER, which is a regular expression."
1715 (re-search-forward (concat "^\\(" header "\\):") nil t))
1717 (defsubst gnus-article-hide-text (b e props)
1718 "Set text PROPS on the B to E region, extending `intangible' 1 past B."
1719 (gnus-add-text-properties-when 'article-type nil b e props)
1720 (when (memq 'intangible props)
1722 (max (1- b) (point-min))
1723 b 'intangible (cddr (memq 'intangible props)))))
1725 (defsubst gnus-article-unhide-text (b e)
1726 "Remove hidden text properties from region between B and E."
1727 (remove-text-properties b e gnus-hidden-properties)
1728 (when (memq 'intangible gnus-hidden-properties)
1729 (put-text-property (max (1- b) (point-min))
1730 b 'intangible nil)))
1732 (defun gnus-article-hide-text-type (b e type)
1733 "Hide text of TYPE between B and E."
1734 (gnus-add-wash-type type)
1735 (gnus-article-hide-text
1736 b e (cons 'article-type (cons type gnus-hidden-properties))))
1738 (defun gnus-article-unhide-text-type (b e type)
1739 "Unhide text of TYPE between B and E."
1740 (gnus-delete-wash-type type)
1741 (remove-text-properties
1742 b e (cons 'article-type (cons type gnus-hidden-properties)))
1743 (when (memq 'intangible gnus-hidden-properties)
1744 (put-text-property (max (1- b) (point-min))
1745 b 'intangible nil)))
1747 (defun gnus-article-hide-text-of-type (type)
1748 "Hide text of TYPE in the current buffer."
1750 (let ((b (point-min))
1752 (while (setq b (text-property-any b e 'article-type type))
1753 (add-text-properties b (incf b) gnus-hidden-properties)))))
1755 (defun gnus-article-delete-text-of-type (type)
1756 "Delete text of TYPE in the current buffer."
1758 (let ((b (point-min)))
1759 (if (eq type 'multipart)
1760 ;; Remove MIME buttons associated with multipart/alternative parts.
1763 (while (if (get-text-property (point) 'gnus-part)
1765 (when (setq b (next-single-property-change (point)
1770 (skip-chars-forward "\n")
1771 (when (eq (get-text-property b 'article-type) 'multipart)
1772 (delete-region b (point)))))
1773 (while (setq b (text-property-any b (point-max) 'article-type type))
1775 b (or (text-property-not-all b (point-max) 'article-type type)
1778 (defun gnus-article-delete-invisible-text ()
1779 "Delete all invisible text in the current buffer."
1781 (let ((b (point-min)))
1782 (while (setq b (text-property-any b (point-max) 'invisible t))
1784 b (or (text-property-not-all b (point-max) 'invisible t)
1787 (defun gnus-article-text-type-exists-p (type)
1788 "Say whether any text of type TYPE exists in the buffer."
1789 (text-property-any (point-min) (point-max) 'article-type type))
1791 (defsubst gnus-article-header-rank ()
1792 "Give the rank of the string HEADER as given by `gnus-sorted-header-list'."
1793 (let ((list gnus-sorted-header-list)
1796 (if (looking-at (car list))
1798 (setq list (cdr list))
1802 (defun article-hide-headers (&optional arg delete)
1803 "Hide unwanted headers and possibly sort them as well."
1805 ;; This function might be inhibited.
1806 (unless gnus-inhibit-hiding
1807 (let ((inhibit-read-only nil)
1808 (case-fold-search t)
1809 (max (1+ (length gnus-sorted-header-list)))
1810 (inhibit-point-motion-hooks t)
1811 (cur (current-buffer))
1812 ignored visible beg)
1814 ;; `gnus-ignored-headers' and `gnus-visible-headers' may be
1815 ;; group parameters, so we should go to the summary buffer.
1818 (progn (set-buffer gnus-summary-buffer) t)
1820 (setq ignored (when (not gnus-visible-headers)
1821 (cond ((stringp gnus-ignored-headers)
1822 gnus-ignored-headers)
1823 ((listp gnus-ignored-headers)
1824 (mapconcat 'identity
1825 gnus-ignored-headers
1827 visible (cond ((stringp gnus-visible-headers)
1828 gnus-visible-headers)
1829 ((and gnus-visible-headers
1830 (listp gnus-visible-headers))
1831 (mapconcat 'identity
1832 gnus-visible-headers
1836 ;; First we narrow to just the headers.
1837 (article-narrow-to-head)
1838 ;; Hide any "From " lines at the beginning of (mail) articles.
1839 (while (looking-at "From ")
1842 (delete-region (point-min) (point)))
1843 ;; Then treat the rest of the header lines.
1844 ;; Then we use the two regular expressions
1845 ;; `gnus-ignored-headers' and `gnus-visible-headers' to
1846 ;; select which header lines is to remain visible in the
1848 (while (re-search-forward "^[^ \t:]*:" nil t)
1850 ;; Mark the rank of the header.
1852 (point) (1+ (point)) 'message-rank
1853 (if (or (and visible (looking-at visible))
1855 (not (looking-at ignored))))
1856 (gnus-article-header-rank)
1859 (message-sort-headers-1)
1860 (when (setq beg (text-property-any
1861 (point-min) (point-max) 'message-rank (+ 2 max)))
1862 ;; We delete the unwanted headers.
1863 (gnus-add-wash-type 'headers)
1864 (add-text-properties (point-min) (+ 5 (point-min))
1865 '(article-type headers dummy-invisible t))
1866 (delete-region beg (point-max))))))))
1868 (defun article-hide-boring-headers (&optional arg)
1869 "Toggle hiding of headers that aren't very interesting.
1870 If given a negative prefix, always show; if given a positive prefix,
1872 (interactive (gnus-article-hidden-arg))
1873 (when (and (not (gnus-article-check-hidden-text 'boring-headers arg))
1874 (not gnus-show-all-headers))
1877 (let ((inhibit-read-only t)
1878 (inhibit-point-motion-hooks t))
1879 (article-narrow-to-head)
1880 (dolist (elem gnus-boring-article-headers)
1881 (goto-char (point-min))
1883 ;; Hide empty headers.
1885 (while (re-search-forward "^[^: \t]+:[ \t]*\n[^ \t]" nil t)
1887 (gnus-article-hide-text-type
1891 (if (re-search-forward "^[^ \t]" nil t)
1895 ;; Hide boring Newsgroups header.
1896 ((eq elem 'newsgroups)
1897 (when (gnus-string-equal
1898 (gnus-fetch-field "newsgroups")
1899 (gnus-group-real-name
1900 (if (boundp 'gnus-newsgroup-name)
1903 (gnus-article-hide-header "newsgroups")))
1904 ((eq elem 'to-address)
1905 (let ((to (message-fetch-field "to"))
1907 (gnus-parameter-to-address
1908 (if (boundp 'gnus-newsgroup-name)
1909 gnus-newsgroup-name ""))))
1910 (when (and to to-address
1913 ;; only one address in To
1914 (nth 1 (mail-extract-address-components to))
1916 (gnus-article-hide-header "to"))))
1918 (let ((to (message-fetch-field "to"))
1920 (gnus-parameter-to-list
1921 (if (boundp 'gnus-newsgroup-name)
1922 gnus-newsgroup-name ""))))
1923 (when (and to to-list
1926 ;; only one address in To
1927 (nth 1 (mail-extract-address-components to))
1929 (gnus-article-hide-header "to"))))
1931 (let ((cc (message-fetch-field "cc"))
1933 (gnus-parameter-to-list
1934 (if (boundp 'gnus-newsgroup-name)
1935 gnus-newsgroup-name ""))))
1936 (when (and cc to-list
1939 ;; only one address in CC
1940 (nth 1 (mail-extract-address-components cc))
1942 (gnus-article-hide-header "cc"))))
1943 ((eq elem 'followup-to)
1944 (when (gnus-string-equal
1945 (message-fetch-field "followup-to")
1946 (message-fetch-field "newsgroups"))
1947 (gnus-article-hide-header "followup-to")))
1948 ((eq elem 'reply-to)
1949 (if (gnus-group-find-parameter
1950 gnus-newsgroup-name 'broken-reply-to)
1951 (gnus-article-hide-header "reply-to")
1952 (let ((from (message-fetch-field "from"))
1953 (reply-to (message-fetch-field "reply-to")))
1960 (lambda (x) (downcase (cadr x)))
1961 (mail-extract-address-components from t))
1964 (lambda (x) (downcase (cadr x)))
1965 (mail-extract-address-components reply-to t))
1967 (gnus-article-hide-header "reply-to")))))
1969 (let ((date (message-fetch-field "date")))
1971 (< (days-between (current-time-string) date)
1973 (gnus-article-hide-header "date"))))
1975 (let ((to (message-fetch-field "to"))
1976 (cc (message-fetch-field "cc")))
1977 (when (> (length to) 1024)
1978 (gnus-article-hide-header "to"))
1979 (when (> (length cc) 1024)
1980 (gnus-article-hide-header "cc"))))
1984 (goto-char (point-min))
1985 (while (re-search-forward "^to:" nil t)
1986 (setq to-count (1+ to-count)))
1987 (when (> to-count 1)
1988 (while (> to-count 0)
1989 (goto-char (point-min))
1991 (re-search-forward "^to:" nil nil to-count)
1993 (narrow-to-region (point) (point-max))
1994 (gnus-article-hide-header "to"))
1995 (setq to-count (1- to-count))))
1996 (goto-char (point-min))
1997 (while (re-search-forward "^cc:" nil t)
1998 (setq cc-count (1+ cc-count)))
1999 (when (> cc-count 1)
2000 (while (> cc-count 0)
2001 (goto-char (point-min))
2003 (re-search-forward "^cc:" nil nil cc-count)
2005 (narrow-to-region (point) (point-max))
2006 (gnus-article-hide-header "cc"))
2007 (setq cc-count (1- cc-count)))))))))))))
2009 (defun gnus-article-hide-header (header)
2011 (goto-char (point-min))
2012 (when (re-search-forward (concat "^" header ":") nil t)
2013 (gnus-article-hide-text-type
2017 (if (re-search-forward "^[^ \t]" nil t)
2022 (defvar gnus-article-normalized-header-length 40
2023 "Length of normalized headers.")
2025 (defun article-normalize-headers ()
2026 "Make all header lines 40 characters long."
2028 (let ((inhibit-read-only t)
2032 (article-narrow-to-head)
2035 ((< (setq column (- (point-at-eol) (point)))
2036 gnus-article-normalized-header-length)
2038 (insert (make-string
2039 (- gnus-article-normalized-header-length column)
2041 ((> column gnus-article-normalized-header-length)
2042 (gnus-put-text-property
2044 (forward-char gnus-article-normalized-header-length)
2051 (forward-line 1))))))
2053 (defun article-treat-dumbquotes ()
2054 "Translate M****s*** sm*rtq**t*s and other symbols into proper text.
2055 Note that this function guesses whether a character is a sm*rtq**t* or
2056 not, so it should only be used interactively.
2058 Sm*rtq**t*s are M****s***'s unilateral extension to the
2059 iso-8859-1 character map in an attempt to provide more quoting
2060 characters. If you see something like \\222 or \\264 where
2061 you're expecting some kind of apostrophe or quotation mark, then
2064 (article-translate-strings gnus-article-dumbquotes-map))
2066 (defun article-translate-characters (from to)
2067 "Translate all characters in the body of the article according to FROM and TO.
2068 FROM is a string of characters to translate from; to is a string of
2069 characters to translate to."
2071 (when (article-goto-body)
2072 (let ((inhibit-read-only t)
2073 (x (make-string 225 ?x))
2075 (while (< (incf i) (length x))
2078 (while (< i (length from))
2079 (aset x (aref from i) (aref to i))
2081 (translate-region (point) (point-max) x)))))
2083 (defun article-translate-strings (map)
2084 "Translate all string in the body of the article according to MAP.
2085 MAP is an alist where the elements are on the form (\"from\" \"to\")."
2087 (when (article-goto-body)
2088 (let ((inhibit-read-only t))
2091 (while (search-forward (car elem) nil t)
2092 (replace-match (cadr elem)))))))))
2094 (defun article-treat-overstrike ()
2095 "Translate overstrikes into bold text."
2098 (when (article-goto-body)
2099 (let ((inhibit-read-only t))
2100 (while (search-forward "\b" nil t)
2101 (let ((next (char-after))
2102 (previous (char-after (- (point) 2))))
2103 ;; We do the boldification/underlining by hiding the
2104 ;; overstrikes and putting the proper text property
2108 (gnus-article-hide-text-type (- (point) 2) (point) 'overstrike)
2109 (put-text-property (point) (1+ (point)) 'face 'bold))
2111 (gnus-article-hide-text-type
2112 (1- (point)) (1+ (point)) 'overstrike)
2114 (- (point) 2) (1- (point)) 'face 'underline))
2116 (gnus-article-hide-text-type (- (point) 2) (point) 'overstrike)
2118 (point) (1+ (point)) 'face 'underline)))))))))
2120 (defun article-treat-ansi-sequences ()
2121 "Translate ANSI SGR control sequences into overlays or extents."
2124 (when (article-goto-body)
2125 (let ((inhibit-read-only t))
2126 (ansi-color-apply-on-region (point) (point-max))))))
2128 (defun gnus-article-treat-unfold-headers ()
2129 "Unfold folded message headers.
2130 Only the headers that fit into the current window width will be
2133 (gnus-with-article-headers
2137 (mail-header-narrow-to-field)
2138 (let ((header (buffer-string)))
2141 (goto-char (point-min))
2142 (while (re-search-forward "\n[\t ]" nil t)
2143 (replace-match " " t t)))
2144 (setq length (- (point-max) (point-min) 1)))
2145 (when (< length (window-width))
2146 (while (re-search-forward "\n[\t ]" nil t)
2147 (replace-match " " t t)))
2148 (goto-char (point-max)))))))
2150 (defun gnus-article-treat-fold-headers ()
2151 "Fold message headers."
2153 (gnus-with-article-headers
2156 (mail-header-narrow-to-field)
2157 (mail-header-fold-field)
2158 (goto-char (point-max))))))
2160 (defun gnus-treat-smiley ()
2161 "Toggle display of textual emoticons (\"smileys\") as small graphical icons."
2163 (gnus-with-article-buffer
2164 (if (memq 'smiley gnus-article-wash-types)
2165 (gnus-delete-images 'smiley)
2167 (let ((images (smiley-region (point) (point-max))))
2169 (gnus-add-wash-type 'smiley)
2170 (dolist (image images)
2171 (gnus-add-image 'smiley image)))))))
2173 (defun gnus-article-remove-images ()
2174 "Remove all images from the article buffer."
2176 (gnus-with-article-buffer
2177 (dolist (elem gnus-article-image-alist)
2178 (gnus-delete-images (car elem)))))
2180 (defun gnus-article-treat-fold-newsgroups ()
2181 "Unfold folded message headers.
2182 Only the headers that fit into the current window width will be
2185 (gnus-with-article-headers
2186 (while (gnus-article-goto-header "newsgroups\\|followup-to")
2188 (mail-header-narrow-to-field)
2189 (while (re-search-forward ", *" nil t)
2190 (replace-match ", " t t))
2191 (mail-header-fold-field)
2192 (goto-char (point-max))))))
2194 (defun gnus-article-treat-body-boundary ()
2195 "Place a boundary line at the end of the headers."
2197 (when (and gnus-body-boundary-delimiter
2198 (> (length gnus-body-boundary-delimiter) 0))
2199 (gnus-with-article-headers
2200 (goto-char (point-max))
2201 (let ((start (point)))
2202 (insert "X-Boundary: ")
2203 (gnus-add-text-properties start (point) '(invisible t intangible t))
2205 (while (>= (1- (window-width)) (length str))
2206 (setq str (concat str gnus-body-boundary-delimiter)))
2207 (substring str 0 (1- (window-width))))
2209 (gnus-put-text-property start (point) 'gnus-decoration 'header)))))
2211 (defun article-fill-long-lines ()
2212 "Fill lines that are wider than the window width."
2215 (let ((inhibit-read-only t)
2216 (width (window-width (get-buffer-window (current-buffer)))))
2219 (let ((adaptive-fill-mode nil)) ;Why? -sm
2222 (when (>= (current-column) (min fill-column width))
2223 (narrow-to-region (min (1+ (point)) (point-max))
2225 (let ((goback (point-marker)))
2226 (fill-paragraph nil)
2227 (goto-char (marker-position goback)))
2229 (forward-line 1)))))))
2231 (defun article-capitalize-sentences ()
2232 "Capitalize the first word in each sentence."
2235 (let ((inhibit-read-only t)
2236 (paragraph-start "^[\n\^L]"))
2240 (forward-sentence)))))
2242 (defun article-remove-cr ()
2243 "Remove trailing CRs and then translate remaining CRs into LFs."
2246 (let ((inhibit-read-only t))
2247 (goto-char (point-min))
2248 (while (re-search-forward "\r+$" nil t)
2249 (replace-match "" t t))
2250 (goto-char (point-min))
2251 (while (search-forward "\r" nil t)
2252 (replace-match "\n" t t)))))
2254 (defun article-remove-trailing-blank-lines ()
2255 "Remove all trailing blank lines from the article."
2258 (let ((inhibit-read-only t))
2259 (goto-char (point-max))
2263 (while (and (not (bobp))
2264 (looking-at "^[ \t]*$")
2265 (not (gnus-annotation-in-region-p
2266 (point) (point-at-eol))))
2272 (defvar gnus-face-properties-alist))
2274 (defun article-display-face ()
2275 "Display any Face headers in the header."
2277 (let ((wash-face-p buffer-read-only))
2278 (gnus-with-article-headers
2279 ;; When displaying parts, this function can be called several times on
2280 ;; the same article, without any intended toggle semantic (as typing `W
2281 ;; D d' would have). So face deletion must occur only when we come from
2282 ;; an interactive command, that is when the *Article* buffer is
2284 (if (and wash-face-p (memq 'face gnus-article-wash-types))
2285 (gnus-delete-images 'face)
2286 (let (face faces from)
2287 (save-current-buffer
2288 (when (and wash-face-p
2289 (gnus-buffer-live-p gnus-original-article-buffer)
2290 (not (re-search-forward "^Face:[\t ]*" nil t)))
2291 (set-buffer gnus-original-article-buffer))
2293 (mail-narrow-to-head)
2294 (while (gnus-article-goto-header "Face")
2295 (push (mail-header-field-value) faces))))
2297 (goto-char (point-min))
2298 (let ((from (gnus-article-goto-header "from"))
2303 (insert "[no `from' set]\n"))
2305 (when (setq png (gnus-convert-face-to-png (pop faces)))
2307 (apply 'gnus-create-image png 'png t
2308 (cdr (assq 'png gnus-face-properties-alist))))
2310 (gnus-add-wash-type 'face)
2311 (gnus-add-image 'face image)
2312 (gnus-put-image image nil 'face))))))))))
2314 (defun article-display-x-face (&optional force)
2315 "Look for an X-Face header and display it if present."
2316 (interactive (list 'force))
2317 (let ((wash-face-p buffer-read-only)) ;; When type `W f'
2318 (gnus-with-article-headers
2319 ;; Delete the old process, if any.
2320 (when (process-status "article-x-face")
2321 (delete-process "article-x-face"))
2322 ;; See the comment in `article-display-face'.
2323 (if (and wash-face-p (memq 'xface gnus-article-wash-types))
2324 ;; We have already displayed X-Faces, so we remove them
2326 (gnus-delete-images 'xface)
2328 (let (x-faces from face)
2329 (save-current-buffer
2330 (when (and wash-face-p
2331 (gnus-buffer-live-p gnus-original-article-buffer)
2332 (not (re-search-forward "^X-Face:[\t ]*" nil t)))
2333 ;; If type `W f', use gnus-original-article-buffer,
2334 ;; otherwise use the current buffer because displaying
2335 ;; RFC822 parts calls this function too.
2336 (set-buffer gnus-original-article-buffer))
2338 (mail-narrow-to-head)
2339 (while (gnus-article-goto-header "X-Face")
2340 (push (mail-header-field-value) x-faces))
2341 (setq from (message-fetch-field "from"))))
2342 ;; Sending multiple EOFs to xv doesn't work, so we only do a
2343 ;; single external face.
2344 (when (stringp gnus-article-x-face-command)
2345 (setq x-faces (list (car x-faces))))
2347 gnus-article-x-face-command
2349 ;; Check whether this face is censored.
2350 (not gnus-article-x-face-too-ugly)
2352 (not (string-match gnus-article-x-face-too-ugly
2354 (while (setq face (pop x-faces))
2355 ;; We display the face.
2356 (cond ((stringp gnus-article-x-face-command)
2357 ;; The command is a string, so we interpret the command
2358 ;; as a, well, command, and fork it off.
2359 (let ((process-connection-type nil))
2360 (gnus-set-process-query-on-exit-flag
2362 "article-x-face" nil shell-file-name
2363 shell-command-switch gnus-article-x-face-command)
2367 (process-send-region "article-x-face"
2368 (point-min) (point-max)))
2369 (process-send-eof "article-x-face")))
2370 ((functionp gnus-article-x-face-command)
2371 ;; The command is a lisp function, so we call it.
2372 (funcall gnus-article-x-face-command face))
2374 (error "%s is not a function"
2375 gnus-article-x-face-command))))))))))
2377 (defun article-decode-mime-words ()
2378 "Decode all MIME-encoded words in the article."
2380 (gnus-with-article-buffer
2381 (let ((inhibit-point-motion-hooks t)
2382 (mail-parse-charset gnus-newsgroup-charset)
2383 (mail-parse-ignored-charsets
2384 (with-current-buffer gnus-summary-buffer
2385 gnus-newsgroup-ignored-charsets)))
2386 (mail-decode-encoded-word-region (point-min) (point-max)))))
2388 (defun article-decode-charset (&optional prompt)
2389 "Decode charset-encoded text in the article.
2390 If PROMPT (the prefix), prompt for a coding system to use."
2392 (let ((inhibit-point-motion-hooks t) (case-fold-search t)
2393 (inhibit-read-only t)
2394 (mail-parse-charset gnus-newsgroup-charset)
2395 (mail-parse-ignored-charsets
2396 (save-excursion (condition-case nil
2397 (set-buffer gnus-summary-buffer)
2399 gnus-newsgroup-ignored-charsets))
2400 ct cte ctl charset format)
2403 (article-narrow-to-head)
2404 (setq ct (message-fetch-field "Content-Type" t)
2405 cte (message-fetch-field "Content-Transfer-Encoding" t)
2406 ctl (and ct (mail-header-parse-content-type ct))
2409 (mm-read-coding-system "Charset to decode: "))
2411 (mail-content-type-get ctl 'charset)))
2412 format (and ctl (mail-content-type-get ctl 'format)))
2414 (setq cte (mail-header-strip cte)))
2415 (if (and ctl (not (string-match "/" (car ctl))))
2417 (goto-char (point-max)))
2420 (narrow-to-region (point) (point-max))
2421 (when (and (eq mail-parse-charset 'gnus-decoded)
2422 (eq (mm-body-7-or-8) '8bit))
2423 ;; The text code could have been decoded.
2424 (setq charset mail-parse-charset))
2425 (when (and (or (not ctl)
2426 (equal (car ctl) "text/plain"))
2427 (not format)) ;; article with format will decode later.
2429 charset (and cte (intern (downcase
2430 (gnus-strip-whitespace cte))))
2433 (defun article-decode-encoded-words ()
2434 "Remove encoded-word encoding from headers."
2435 (let ((inhibit-point-motion-hooks 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 (inhibit-read-only t))
2444 (article-narrow-to-head)
2445 (funcall gnus-decode-header-function (point-min) (point-max)))))
2447 (defun article-decode-group-name ()
2448 "Decode group names in `Newsgroups:'."
2449 (let ((inhibit-point-motion-hooks t)
2450 (inhibit-read-only t)
2451 (method (gnus-find-method-for-group gnus-newsgroup-name)))
2452 (when (and (or gnus-group-name-charset-method-alist
2453 gnus-group-name-charset-group-alist)
2454 (gnus-buffer-live-p gnus-original-article-buffer))
2456 (article-narrow-to-head)
2457 (with-current-buffer gnus-original-article-buffer
2458 (goto-char (point-min)))
2459 (while (re-search-forward
2460 "^Newsgroups:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]" nil t)
2461 (replace-match (save-match-data
2462 (gnus-decode-newsgroups
2463 ;; XXX how to use data in article buffer?
2464 (with-current-buffer gnus-original-article-buffer
2466 "^Newsgroups:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]"
2469 gnus-newsgroup-name method))
2471 (goto-char (point-min))
2472 (with-current-buffer gnus-original-article-buffer
2473 (goto-char (point-min)))
2474 (while (re-search-forward
2475 "^Followup-To:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]" nil t)
2476 (replace-match (save-match-data
2477 (gnus-decode-newsgroups
2478 ;; XXX how to use data in article buffer?
2479 (with-current-buffer gnus-original-article-buffer
2481 "^Followup-To:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]"
2484 gnus-newsgroup-name method))
2487 (autoload 'idna-to-unicode "idna")
2489 (defun article-decode-idna-rhs ()
2490 "Decode IDNA strings in RHS in various headers in current buffer.
2491 The following headers are decoded: From:, To:, Cc:, Reply-To:,
2492 Mail-Reply-To: and Mail-Followup-To:."
2495 (let ((inhibit-point-motion-hooks t)
2496 (inhibit-read-only t))
2497 (article-narrow-to-head)
2498 (goto-char (point-min))
2499 (while (re-search-forward "@[^ \t\n\r,>]*\\(xn--[-A-Za-z0-9.]*\\)[ \t\n\r,>]" nil t)
2501 (when (save-match-data
2502 (and (setq ace (match-string 1))
2504 (and (re-search-backward "^[^ \t]" nil t)
2505 (looking-at "From\\|To\\|Cc\\|Reply-To\\|Mail-Reply-To\\|Mail-Followup-To")))
2506 (setq unicode (idna-to-unicode ace))))
2507 (unless (string= ace unicode)
2508 (replace-match unicode nil nil nil 1)))))))))
2510 (defun article-de-quoted-unreadable (&optional force read-charset)
2511 "Translate a quoted-printable-encoded article.
2512 If FORCE, decode the article whether it is marked as quoted-printable
2514 If READ-CHARSET, ask for a coding system."
2515 (interactive (list 'force current-prefix-arg))
2517 (let ((inhibit-read-only t) type charset)
2518 (if (gnus-buffer-live-p gnus-original-article-buffer)
2519 (with-current-buffer gnus-original-article-buffer
2521 (gnus-fetch-field "content-transfer-encoding"))
2522 (let* ((ct (gnus-fetch-field "content-type"))
2523 (ctl (and ct (mail-header-parse-content-type ct))))
2524 (setq charset (and ctl
2525 (mail-content-type-get ctl 'charset)))
2526 (if (stringp charset)
2527 (setq charset (intern (downcase charset)))))))
2529 (setq charset (mm-read-coding-system "Charset: " charset)))
2531 (setq charset gnus-newsgroup-charset))
2533 (and type (let ((case-fold-search t))
2534 (string-match "quoted-printable" type))))
2536 (quoted-printable-decode-region
2537 (point) (point-max) (mm-charset-to-coding-system charset))))))
2539 (defun article-de-base64-unreadable (&optional force read-charset)
2540 "Translate a base64 article.
2541 If FORCE, decode the article whether it is marked as base64 not.
2542 If READ-CHARSET, ask for a coding system."
2543 (interactive (list 'force current-prefix-arg))
2545 (let ((inhibit-read-only t) type charset)
2546 (if (gnus-buffer-live-p gnus-original-article-buffer)
2547 (with-current-buffer gnus-original-article-buffer
2549 (gnus-fetch-field "content-transfer-encoding"))
2550 (let* ((ct (gnus-fetch-field "content-type"))
2551 (ctl (and ct (mail-header-parse-content-type ct))))
2552 (setq charset (and ctl
2553 (mail-content-type-get ctl 'charset)))
2554 (if (stringp charset)
2555 (setq charset (intern (downcase charset)))))))
2557 (setq charset (mm-read-coding-system "Charset: " charset)))
2559 (setq charset gnus-newsgroup-charset))
2561 (and type (let ((case-fold-search t))
2562 (string-match "base64" type))))
2565 (narrow-to-region (point) (point-max))
2566 (base64-decode-region (point-min) (point-max))
2567 (mm-decode-coding-region
2568 (point-min) (point-max) (mm-charset-to-coding-system charset)))))))
2573 (defun article-decode-HZ ()
2574 "Translate a HZ-encoded article."
2578 (let ((inhibit-read-only t))
2579 (rfc1843-decode-region (point-min) (point-max)))))
2581 (defun article-unsplit-urls ()
2582 "Remove the newlines that some other mailers insert into URLs."
2585 (let ((inhibit-read-only t))
2586 (goto-char (point-min))
2587 (while (re-search-forward
2588 "\\(\\(https?\\|ftp\\)://\\S-+\\) *\n\\(\\S-+\\)" nil t)
2589 (replace-match "\\1\\3" t)))
2590 (when (interactive-p)
2591 (gnus-treat-article nil))))
2594 (defun article-wash-html (&optional read-charset)
2595 "Format an HTML article.
2596 If READ-CHARSET, ask for a coding system. If it is a number, the
2597 charset defined in `gnus-summary-show-article-charset-alist' is used."
2600 (let ((inhibit-read-only t)
2603 (if (or (and (numberp read-charset)
2607 gnus-summary-show-article-charset-alist))))
2608 (setq charset (mm-read-coding-system "Charset: ")))
2609 (let ((gnus-summary-show-article-charset-alist
2610 (list (cons 1 charset))))
2611 (with-current-buffer gnus-summary-buffer
2612 (gnus-summary-show-article 1)))
2613 (error "No charset is given"))
2614 (when (gnus-buffer-live-p gnus-original-article-buffer)
2615 (with-current-buffer gnus-original-article-buffer
2616 (let* ((ct (gnus-fetch-field "content-type"))
2617 (ctl (and ct (mail-header-parse-content-type ct))))
2618 (setq charset (and ctl
2619 (mail-content-type-get ctl 'charset)))
2620 (when (stringp charset)
2621 (setq charset (intern (downcase charset)))))))
2623 (setq charset gnus-newsgroup-charset)))
2625 (save-window-excursion
2627 (narrow-to-region (point) (point-max))
2628 (let* ((func (or gnus-article-wash-function mm-text-html-renderer))
2629 (entry (assq func mm-text-html-washer-alist)))
2631 (setq func (cdr entry)))
2636 (apply (car func) (cdr func))))))))))
2638 (defun gnus-article-wash-html-with-w3 ()
2639 "Wash the current buffer with w3."
2641 (let ((w3-strict-width (window-width))
2642 (url-standalone-mode t)
2643 (url-gateway-unplugged t)
2644 (w3-honor-stylesheets nil))
2646 (w3-region (point-min) (point-max))
2649 (defun gnus-article-wash-html-with-w3m ()
2650 "Wash the current buffer with emacs-w3m."
2652 (let ((w3m-safe-url-regexp mm-w3m-safe-url-regexp)
2653 w3m-force-redisplay)
2654 (w3m-region (point-min) (point-max)))
2655 (when (and mm-inline-text-html-with-w3m-keymap
2656 (boundp 'w3m-minor-mode-map)
2658 (add-text-properties
2659 (point-min) (point-max)
2660 (list 'keymap w3m-minor-mode-map
2661 ;; Put the mark meaning this part was rendered by emacs-w3m.
2662 'mm-inline-text-html-with-w3m t))))
2664 (eval-when-compile (defvar charset)) ;; Bound by `article-wash-html'.
2666 (defun gnus-article-wash-html-with-w3m-standalone ()
2667 "Wash the current buffer with w3m."
2668 (if (mm-w3m-standalone-supports-m17n-p)
2670 (unless (mm-coding-system-p charset) ;; Bound by `article-wash-html'.
2672 (setq charset 'iso-8859-1))
2673 (let ((coding-system-for-write charset)
2674 (coding-system-for-read charset))
2675 (call-process-region
2676 (point-min) (point-max)
2677 "w3m" t t nil "-dump" "-T" "text/html"
2678 "-I" (symbol-name charset) "-O" (symbol-name charset))))
2679 (mm-inline-wash-with-stdin nil "w3m" "-dump" "-T" "text/html")))
2681 (defvar gnus-article-browse-html-temp-list nil
2682 "List of temporary files created by `gnus-article-browse-html-parts'.
2683 Internal variable.")
2685 (defcustom gnus-article-browse-delete-temp 'ask
2686 "What to do with temporary files from `gnus-article-browse-html-parts'.
2687 If nil, don't delete temporary files. If it is t, delete them on
2688 exit from the summary buffer. If it is the symbol `file', query
2689 on each file, if it is `ask' ask once when exiting from the
2691 :group 'gnus-article
2692 :version "23.0" ;; No Gnus
2693 :type '(choice (const :tag "Don't delete" nil)
2694 (const :tag "Don't ask" t)
2695 (const :tag "Ask" ask)
2696 (const :tag "Ask for each file" file)))
2698 ;; Cf. mm-postponed-undisplay-list / mm-destroy-postponed-undisplay-list.
2700 (defun gnus-article-browse-delete-temp-files (&optional how)
2701 "Delete temp-files created by `gnus-article-browse-html-parts'."
2702 (when (and gnus-article-browse-html-temp-list
2704 (setq how gnus-article-browse-delete-temp)))
2705 (when (and (eq how 'ask)
2707 "Delete all %s temporary HTML file(s)? "
2708 (length gnus-article-browse-html-temp-list)))
2710 (dolist (file gnus-article-browse-html-temp-list)
2711 (when (and (file-exists-p file)
2713 ;; `how' is neither `nil', `ask' nor `t' (i.e. `file'):
2715 (format "Delete temporary HTML file `%s'? " file))))
2716 (delete-file file)))
2717 ;; Also remove file from the list when not deleted or if file doesn't
2719 (setq gnus-article-browse-html-temp-list nil))
2720 gnus-article-browse-html-temp-list)
2722 (defun gnus-article-browse-html-parts (list)
2723 "View all \"text/html\" parts from LIST.
2724 Recurse into multiparts."
2725 ;; Internal function used by `gnus-article-browse-html-article'.
2727 ;; Find and show the html-parts.
2728 (dolist (handle list)
2729 ;; If HTML, show it:
2730 (when (listp handle)
2731 (cond ((and (bufferp (car handle))
2732 (string-match "text/html" (car (mm-handle-type handle))))
2733 (let ((tmp-file (mm-make-temp-file
2734 ;; Do we need to care for 8.3 filenames?
2735 "mm-" nil ".html")))
2736 (mm-save-part-to-file handle tmp-file)
2737 (add-to-list 'gnus-article-browse-html-temp-list tmp-file)
2738 (add-hook 'gnus-summary-prepare-exit-hook
2739 'gnus-article-browse-delete-temp-files)
2740 (add-hook 'gnus-exit-gnus-hook
2742 (gnus-article-browse-delete-temp-files t)))
2743 (browse-url tmp-file)
2745 ;; If multipart, recurse
2746 ((and (stringp (car handle))
2747 (string-match "^multipart/" (car handle))
2750 (gnus-article-browse-html-parts handle))))))))
2753 (defun gnus-article-browse-html-article ()
2754 "View \"text/html\" parts of the current article with a WWW browser."
2756 (save-window-excursion
2757 ;; Open raw article and select the buffer
2758 (gnus-summary-show-article t)
2759 (gnus-summary-select-article-buffer)
2760 (let ((parts (mm-dissect-buffer t t)))
2761 ;; If singlepart, enforce a list.
2762 (when (and (bufferp (car parts))
2763 (stringp (car (mm-handle-type parts))))
2764 (setq parts (list parts)))
2766 (unless (gnus-article-browse-html-parts parts)
2767 (gnus-error 3 "Mail doesn't contain a \"text/html\" part!"))
2768 (gnus-summary-show-article))))
2770 (defun article-hide-list-identifiers ()
2771 "Remove list identifies from the Subject header.
2772 The `gnus-list-identifiers' variable specifies what to do."
2774 (let ((inhibit-point-motion-hooks t)
2775 (regexp (if (consp gnus-list-identifiers)
2776 (mapconcat 'identity gnus-list-identifiers " *\\|")
2777 gnus-list-identifiers))
2778 (inhibit-read-only t))
2782 (article-narrow-to-head)
2783 (goto-char (point-min))
2784 (while (re-search-forward
2785 (concat "^Subject: +\\(R[Ee]: +\\)*\\(" regexp " *\\)")
2787 (delete-region (match-beginning 2) (match-end 0))
2788 (beginning-of-line))
2789 (when (re-search-forward
2790 "^Subject: +\\(\\(R[Ee]: +\\)+\\)R[Ee]: +" nil t)
2791 (delete-region (match-beginning 1) (match-end 1))))))))
2793 (defun article-hide-pem (&optional arg)
2794 "Toggle hiding of any PEM headers and signatures in the current article.
2795 If given a negative prefix, always show; if given a positive prefix,
2797 (interactive (gnus-article-hidden-arg))
2798 (unless (gnus-article-check-hidden-text 'pem arg)
2800 (let ((inhibit-read-only t) end)
2801 (goto-char (point-min))
2802 ;; Hide the horrendously ugly "header".
2803 (when (and (search-forward
2804 "\n-----BEGIN PRIVACY-ENHANCED MESSAGE-----\n"
2806 (setq end (1+ (match-beginning 0))))
2807 (gnus-add-wash-type 'pem)
2808 (gnus-article-hide-text-type
2810 (if (search-forward "\n\n" nil t)
2814 ;; Hide the trailer as well
2815 (when (search-forward "\n-----END PRIVACY-ENHANCED MESSAGE-----\n"
2817 (gnus-article-hide-text-type
2818 (match-beginning 0) (match-end 0) 'pem)))))))
2820 (defun article-strip-banner ()
2821 "Strip the banners specified by the `banner' group parameter and by
2822 `gnus-article-address-banner-alist'."
2826 (let ((inhibit-point-motion-hooks t))
2827 (when (gnus-parameter-banner gnus-newsgroup-name)
2828 (article-really-strip-banner
2829 (gnus-parameter-banner gnus-newsgroup-name)))
2830 (when gnus-article-address-banner-alist
2831 ;; Note that the From header is decoded here, so it is
2832 ;; required that the *-extract-address-components function
2833 ;; supports non-ASCII text.
2834 (let ((from (save-restriction
2836 (article-narrow-to-head)
2837 (mail-fetch-field "from"))))
2840 (cadr (funcall gnus-extract-address-components
2843 (dolist (pair gnus-article-address-banner-alist)
2844 (when (string-match (car pair) from)
2846 (article-really-strip-banner (cdr pair)))))))))))))
2848 (defun article-really-strip-banner (banner)
2849 "Strip the banner specified by the argument."
2852 (let ((inhibit-point-motion-hooks t)
2853 (gnus-signature-limit nil)
2854 (inhibit-read-only t))
2857 ((eq banner 'signature)
2858 (when (gnus-article-narrow-to-signature)
2861 (delete-region (point) (point-max))))
2863 (if (setq banner (cdr (assq banner gnus-article-banner-alist)))
2864 (while (re-search-forward banner nil t)
2865 (delete-region (match-beginning 0) (match-end 0)))))
2867 (while (re-search-forward banner nil t)
2868 (delete-region (match-beginning 0) (match-end 0)))))))))
2870 (defun article-babel ()
2871 "Translate article using an online translation service."
2874 (gnus-with-article-buffer
2875 (when (article-goto-body)
2876 (let* ((start (point))
2878 (orig (buffer-substring start end))
2879 (trans (babel-as-string orig)))
2881 (narrow-to-region start end)
2882 (delete-region start end)
2885 (defun article-hide-signature (&optional arg)
2886 "Hide the signature in the current article.
2887 If given a negative prefix, always show; if given a positive prefix,
2889 (interactive (gnus-article-hidden-arg))
2890 (unless (gnus-article-check-hidden-text 'signature arg)
2893 (let ((inhibit-read-only t))
2894 (when (gnus-article-narrow-to-signature)
2895 (gnus-article-hide-text-type
2896 (point-min) (point-max) 'signature))))))
2897 (gnus-set-mode-line 'article))
2899 (defun article-strip-headers-in-body ()
2900 "Strip offensive headers from bodies."
2904 (let ((case-fold-search t))
2905 (when (looking-at "x-no-archive:")
2906 (gnus-delete-line)))))
2908 (defun article-strip-leading-blank-lines ()
2909 "Remove all blank lines from the beginning of the article."
2912 (let ((inhibit-point-motion-hooks t)
2913 (inhibit-read-only t))
2914 (when (article-goto-body)
2915 (while (and (not (eobp))
2916 (looking-at "[ \t]*$"))
2917 (gnus-delete-line))))))
2919 (defun article-narrow-to-head ()
2920 "Narrow the buffer to the head of the message.
2921 Point is left at the beginning of the narrowed-to region."
2923 (goto-char (point-min))
2924 (if (search-forward "\n\n" nil 1)
2927 (goto-char (point-min)))
2929 (defun article-goto-body ()
2930 "Place point at the start of the body."
2931 (goto-char (point-min))
2933 ;; This variable is only bound when dealing with separate
2935 (article-goto-body-goes-to-point-min-p
2937 ((search-forward "\n\n" nil t)
2940 (goto-char (point-max))
2943 (defun article-strip-multiple-blank-lines ()
2944 "Replace consecutive blank lines with one empty line."
2947 (let ((inhibit-point-motion-hooks t)
2948 (inhibit-read-only t))
2949 ;; First make all blank lines empty.
2951 (while (re-search-forward "^[ \t]+$" nil t)
2952 (unless (gnus-annotation-in-region-p
2953 (match-beginning 0) (match-end 0))
2954 (replace-match "" nil t)))
2955 ;; Then replace multiple empty lines with a single empty line.
2957 (while (re-search-forward "\n\n\\(\n+\\)" nil t)
2958 (unless (gnus-annotation-in-region-p
2959 (match-beginning 0) (match-end 0))
2960 (delete-region (match-beginning 1) (match-end 1)))))))
2962 (defun article-strip-leading-space ()
2963 "Remove all white space from the beginning of the lines in the article."
2966 (let ((inhibit-point-motion-hooks t)
2967 (inhibit-read-only t))
2969 (while (re-search-forward "^[ \t]+" nil t)
2970 (replace-match "" t t)))))
2972 (defun article-strip-trailing-space ()
2973 "Remove all white space from the end of the lines in the article."
2976 (let ((inhibit-point-motion-hooks t)
2977 (inhibit-read-only t))
2979 (while (re-search-forward "[ \t]+$" nil t)
2980 (replace-match "" t t)))))
2982 (defun article-strip-blank-lines ()
2983 "Strip leading, trailing and multiple blank lines."
2985 (article-strip-leading-blank-lines)
2986 (article-remove-trailing-blank-lines)
2987 (article-strip-multiple-blank-lines))
2989 (defun article-strip-all-blank-lines ()
2990 "Strip all blank lines."
2993 (let ((inhibit-point-motion-hooks t)
2994 (inhibit-read-only t))
2996 (while (re-search-forward "^[ \t]*\n" nil t)
2997 (replace-match "" t t)))))
2999 (defun gnus-article-narrow-to-signature ()
3000 "Narrow to the signature; return t if a signature is found, else nil."
3001 (let ((inhibit-point-motion-hooks t))
3002 (when (gnus-article-search-signature)
3004 ;; Check whether we have some limits to what we consider
3005 ;; to be a signature.
3006 (let ((limits (if (listp gnus-signature-limit) gnus-signature-limit
3007 (list gnus-signature-limit)))
3009 (while (setq limit (pop limits))
3010 (if (or (and (integerp limit)
3011 (< (- (point-max) (point)) limit))
3013 (< (count-lines (point) (point-max)) limit))
3014 (and (functionp limit)
3016 (and (stringp limit)
3017 (not (re-search-forward limit nil t))))
3018 () ; This limit did not succeed.
3022 (narrow-to-region (point) (point-max))
3025 (defun gnus-article-search-signature ()
3026 "Search the current buffer for the signature separator.
3027 Put point at the beginning of the signature separator."
3028 (let ((cur (point)))
3029 (goto-char (point-max))
3030 (if (if (stringp gnus-signature-separator)
3031 (re-search-backward gnus-signature-separator nil t)
3032 (let ((seps gnus-signature-separator))
3034 (not (re-search-backward (car seps) nil t)))
3041 (defun gnus-article-hidden-arg ()
3042 "Return the current prefix arg as a number, or 0 if no prefix."
3043 (list (if current-prefix-arg
3044 (prefix-numeric-value current-prefix-arg)
3047 (defun gnus-article-check-hidden-text (type arg)
3048 "Return nil if hiding is necessary.
3049 Arg can be nil or a number. nil and positive means hide, negative
3050 means show, 0 means toggle."
3053 (let ((hide (gnus-article-hidden-text-p type)))
3059 (gnus-article-show-hidden-text type)
3062 (if (eq hide 'hidden)
3064 (gnus-article-show-hidden-text type)
3068 (defun gnus-article-hidden-text-p (type)
3069 "Say whether the current buffer contains hidden text of type TYPE."
3070 (let ((pos (text-property-any (point-min) (point-max) 'article-type type)))
3072 (not (get-text-property pos 'invisible))
3073 (not (get-text-property pos 'dummy-invisible)))
3075 (text-property-any (1+ pos) (point-max) 'article-type type)))
3080 (defun gnus-article-show-hidden-text (type &optional dummy)
3081 "Show all hidden text of type TYPE.
3082 Originally it is hide instead of DUMMY."
3083 (let ((inhibit-read-only t)
3084 (inhibit-point-motion-hooks t))
3085 (gnus-remove-text-properties-when
3087 (point-min) (point-max)
3088 (cons 'article-type (cons type
3089 gnus-hidden-properties)))
3090 (gnus-delete-wash-type type)))
3092 (defconst article-time-units
3093 `((year . ,(* 365.25 24 60 60))
3094 (week . ,(* 7 24 60 60))
3095 (day . ,(* 24 60 60))
3099 "Mapping from time units to seconds.")
3101 (defun gnus-article-forward-header ()
3102 "Move point to the start of the next header.
3103 If the current header is a continuation header, this can be several
3108 (if (looking-at "[ \t]+[^ \t]")
3112 (defun article-date-ut (&optional type highlight)
3113 "Convert DATE date to universal time in the current article.
3114 If TYPE is `local', convert to local time; if it is `lapsed', output
3115 how much time has lapsed since DATE. For `lapsed', the value of
3116 `gnus-article-date-lapsed-new-header' says whether the \"X-Sent:\" header
3117 should replace the \"Date:\" one, or should be added below it."
3118 (interactive (list 'ut t))
3119 (let* ((tdate-regexp "^Date:[ \t]\\|^X-Sent:[ \t]")
3120 (date-regexp (cond ((not gnus-article-date-lapsed-new-header)
3124 (article-lapsed-timer
3128 (case-fold-search t)
3129 (inhibit-read-only t)
3130 (inhibit-point-motion-hooks t)
3131 pos date bface eface)
3135 (goto-char (point-min))
3136 (while (or (setq date (get-text-property (setq pos (point))
3138 (when (setq pos (next-single-property-change
3139 (point) 'original-date))
3140 (setq date (get-text-property pos 'original-date))
3142 (narrow-to-region pos (or (text-property-any pos (point-max)
3145 (goto-char (point-min))
3146 (when (re-search-forward tdate-regexp nil t)
3147 (setq bface (get-text-property (point-at-bol) 'face)
3148 eface (get-text-property (1- (point-at-eol)) 'face)))
3149 (goto-char (point-min))
3151 ;; Delete any old Date headers.
3152 (while (re-search-forward date-regexp nil t)
3154 (delete-region (point-at-bol) (progn
3155 (gnus-article-forward-header)
3157 (delete-region (point-at-bol) (progn
3158 (gnus-article-forward-header)
3161 (setq pos (point))))
3162 (when (and (not pos)
3163 (re-search-forward tdate-regexp nil t))
3165 (gnus-goto-char pos)
3166 (insert (article-make-date-line date (or type 'ut)))
3172 (when (looking-at "\\([^:]+\\): *\\(.*\\)$")
3173 (put-text-property (match-beginning 1) (1+ (match-end 1))
3175 (put-text-property (match-beginning 2) (match-end 2)
3177 (put-text-property (point-min) (1- (point-max)) 'original-date date)
3178 (goto-char (point-max))
3181 (defun article-make-date-line (date type)
3182 "Return a DATE line of TYPE."
3183 (unless (memq type '(local ut original user iso8601 lapsed english))
3184 (error "Unknown conversion type: %s" type))
3186 (let ((time (date-to-time date)))
3188 ;; Convert to the local timezone.
3190 (concat "Date: " (message-make-date time)))
3191 ;; Convert to Universal Time.
3196 (let* ((e (parse-time-string date))
3197 (tm (apply 'encode-time e))
3199 (ls (- (cadr tm) (car (current-time-zone time)))))
3200 (cond ((< ls 0) (list (1- ms) (+ ls 65536)))
3201 ((> ls 65535) (list (1+ ms) (- ls 65536)))
3205 ;; Get the original date from the article.
3206 ((eq type 'original)
3207 (concat "Date: " (if (string-match "\n+$" date)
3208 (substring date 0 (match-beginning 0))
3210 ;; Let the user define the format.
3212 (let ((format (or (condition-case nil
3213 (with-current-buffer gnus-summary-buffer
3214 gnus-article-time-format)
3216 gnus-article-time-format)))
3217 (if (functionp format)
3218 (funcall format time)
3219 (concat "Date: " (format-time-string format time)))))
3222 (let ((tz (car (current-time-zone time))))
3225 (format-time-string "%Y%m%dT%H%M%S" time)
3226 (format "%s%02d%02d"
3227 (if (> tz 0) "+" "-") (/ (abs tz) 3600)
3228 (/ (% (abs tz) 3600) 60)))))
3229 ;; Do an X-Sent lapsed format.
3231 ;; If the date is seriously mangled, the timezone functions are
3232 ;; liable to bug out, so we ignore all errors.
3233 (let* ((now (current-time))
3234 (real-time (subtract-time now time))
3235 (real-sec (and real-time
3236 (+ (* (float (car real-time)) 65536)
3238 (sec (and real-time (abs real-sec)))
3248 ;; This is a bit convoluted, but basically we go
3249 ;; through the time units for years, weeks, etc,
3250 ;; and divide things to see whether that results
3251 ;; in positive answers.
3254 (if (zerop (setq num (ffloor (/ sec (cdr unit)))))
3255 ;; The (remaining) seconds are too few to
3256 ;; be divided into this time unit.
3258 ;; It's big enough, so we output it.
3259 (setq sec (- sec (* num (cdr unit))))
3261 (concat (if prev ", " "") (int-to-string
3263 " " (symbol-name (car unit))
3264 (if (> num 1) "s" ""))
3266 article-time-units "")
3267 ;; If dates are odd, then it might appear like the
3268 ;; article was sent in the future.
3271 " in the future"))))))
3272 ;; Display the date in proper English
3274 (let ((dtime (decode-time time)))
3277 (number-to-string (nth 3 dtime))
3278 (let ((digit (% (nth 3 dtime) 10)))
3280 ((memq (nth 3 dtime) '(11 12 13)) "th")
3286 (nth (1- (nth 4 dtime)) gnus-english-month-names)
3288 (number-to-string (nth 5 dtime))
3290 (format "%02d" (nth 2 dtime))
3292 (format "%02d" (nth 1 dtime)))))))
3294 (format "Date: %s (from Gnus)" date))))
3296 (defun article-date-local (&optional highlight)
3297 "Convert the current article date to the local timezone."
3298 (interactive (list t))
3299 (article-date-ut 'local highlight))
3301 (defun article-date-english (&optional highlight)
3302 "Convert the current article date to something that is proper English."
3303 (interactive (list t))
3304 (article-date-ut 'english highlight))
3306 (defun article-date-original (&optional highlight)
3307 "Convert the current article date to what it was originally.
3308 This is only useful if you have used some other date conversion
3309 function and want to see what the date was before converting."
3310 (interactive (list t))
3311 (article-date-ut 'original highlight))
3313 (defun article-date-lapsed (&optional highlight)
3314 "Convert the current article date to time lapsed since it was sent."
3315 (interactive (list t))
3316 (article-date-ut 'lapsed highlight))
3318 (defun article-update-date-lapsed ()
3319 "Function to be run from a timer to update the lapsed time line."
3321 (let (deactivate-mark)
3326 (set-buffer (window-buffer w))
3327 (when (eq major-mode 'gnus-article-mode)
3328 (let ((mark (point-marker)))
3329 (goto-char (point-min))
3330 (when (re-search-forward "^X-Sent:" nil t)
3331 (article-date-lapsed t))
3332 (goto-char (marker-position mark))
3333 (move-marker mark nil))))
3336 (defun gnus-start-date-timer (&optional n)
3337 "Start a timer to update the X-Sent header in the article buffers.
3338 The numerical prefix says how frequently (in seconds) the function
3343 (gnus-stop-date-timer)
3344 (setq article-lapsed-timer
3345 (run-at-time 1 n 'article-update-date-lapsed)))
3347 (defun gnus-stop-date-timer ()
3348 "Stop the X-Sent timer."
3350 (when article-lapsed-timer
3351 (nnheader-cancel-timer article-lapsed-timer)
3352 (setq article-lapsed-timer nil)))
3354 (defun article-date-user (&optional highlight)
3355 "Convert the current article date to the user-defined format.
3356 This format is defined by the `gnus-article-time-format' variable."
3357 (interactive (list t))
3358 (article-date-ut 'user highlight))
3360 (defun article-date-iso8601 (&optional highlight)
3361 "Convert the current article date to ISO8601."
3362 (interactive (list t))
3363 (article-date-ut 'iso8601 highlight))
3365 (defmacro gnus-article-save-original-date (&rest forms)
3366 "Save the original date as a text property and evaluate FORMS."
3367 `(let* ((case-fold-search t)
3369 (goto-char (point-min))
3370 (when (and (re-search-forward "^date:[\t\n ]+" nil t)
3373 (date (when (and start
3374 (re-search-forward "[\t ]*\n\\(?:[^\t ]\\|\\'\\)"
3376 (buffer-substring-no-properties start
3377 (match-beginning 0)))))
3378 (goto-char (point-max))
3379 (skip-chars-backward "\n")
3380 (put-text-property (point-min) (point) 'original-date date)
3382 (goto-char (point-max))
3383 (skip-chars-backward "\n")
3384 (put-text-property (point-min) (point) 'original-date date)))
3386 ;; (defun article-show-all ()
3387 ;; "Show all hidden text in the article buffer."
3390 ;; (let ((inhibit-read-only t))
3391 ;; (gnus-article-unhide-text (point-min) (point-max)))))
3393 (defun article-remove-leading-whitespace ()
3394 "Remove excessive whitespace from all headers."
3398 (let ((inhibit-read-only t))
3399 (article-narrow-to-head)
3400 (goto-char (point-min))
3401 (while (re-search-forward "^[^ :]+: \\([ \t]+\\)" nil t)
3402 (delete-region (match-beginning 1) (match-end 1)))))))
3404 (defun article-emphasize (&optional arg)
3405 "Emphasize text according to `gnus-emphasis-alist'."
3406 (interactive (gnus-article-hidden-arg))
3407 (unless (gnus-article-check-hidden-text 'emphasis arg)
3411 (with-current-buffer gnus-summary-buffer
3412 gnus-article-emphasis-alist)
3414 gnus-emphasis-alist))
3415 (inhibit-read-only t)
3416 (props (append '(article-type emphasis)
3417 gnus-hidden-properties))
3418 regexp elem beg invisible visible face)
3421 (while (setq elem (pop alist))
3423 (setq regexp (car elem)
3424 invisible (nth 1 elem)
3425 visible (nth 2 elem)
3427 (while (re-search-forward regexp nil t)
3428 (when (and (match-beginning visible) (match-beginning invisible))
3429 (gnus-article-hide-text
3430 (match-beginning invisible) (match-end invisible) props)
3431 (gnus-article-unhide-text-type
3432 (match-beginning visible) (match-end visible) 'emphasis)
3433 (gnus-put-overlay-excluding-newlines
3434 (match-beginning visible) (match-end visible) 'face face)
3435 (gnus-add-wash-type 'emphasis)
3436 (goto-char (match-end invisible)))))))))
3438 (defun gnus-article-setup-highlight-words (&optional highlight-words)
3439 "Setup newsgroup emphasis alist."
3440 (unless gnus-article-emphasis-alist
3441 (let ((name (and gnus-newsgroup-name
3442 (gnus-group-real-name gnus-newsgroup-name))))
3443 (make-local-variable 'gnus-article-emphasis-alist)
3444 (setq gnus-article-emphasis-alist
3446 (let ((alist gnus-group-highlight-words-alist) elem highlight)
3447 (while (setq elem (pop alist))
3448 (when (and name (string-match (car elem) name))
3450 highlight (copy-sequence (cdr elem)))))
3452 (copy-sequence highlight-words)
3453 (if gnus-newsgroup-name
3454 (copy-sequence (gnus-group-find-parameter
3455 gnus-newsgroup-name 'highlight-words t)))
3456 gnus-emphasis-alist)))))
3459 (defvar gnus-summary-article-menu)
3460 (defvar gnus-summary-post-menu))
3462 ;;; Saving functions.
3464 (defun gnus-article-save (save-buffer file &optional num)
3465 "Save the currently selected article."
3466 (unless gnus-save-all-headers
3467 ;; Remove headers according to `gnus-saved-headers'.
3468 (let ((gnus-visible-headers
3469 (or gnus-saved-headers gnus-visible-headers))
3470 (gnus-article-buffer save-buffer))
3472 (set-buffer save-buffer)
3473 (article-hide-headers 1 t))))
3474 (save-window-excursion
3475 (if (not gnus-default-article-saver)
3476 (error "No default saver is defined")
3477 ;; !!! Magic! The saving functions all save
3478 ;; `gnus-save-article-buffer' (or so they think), but we
3479 ;; bind that variable to our save-buffer.
3480 (set-buffer gnus-article-buffer)
3481 (let* ((gnus-save-article-buffer save-buffer)
3484 ((not gnus-prompt-before-saving) 'default)
3485 ((eq gnus-prompt-before-saving 'always) nil)
3487 (gnus-number-of-articles-to-be-saved
3488 (when (eq gnus-prompt-before-saving t)
3490 (set-buffer gnus-article-current-summary)
3491 (funcall gnus-default-article-saver filename)))))
3493 (defun gnus-read-save-file-name (prompt &optional filename
3494 function group headers variable
3497 (funcall function group headers (symbol-value variable)))
3502 ((eq filename 'default)
3508 (when (symbol-value dir-var)
3509 (setq default-name (expand-file-name
3510 (file-name-nondirectory default-name)
3511 (symbol-value dir-var))))
3512 (let* ((split-name (gnus-get-split-value gnus-split-methods))
3515 (if (and gnus-number-of-articles-to-be-saved
3516 (> gnus-number-of-articles-to-be-saved 1))
3517 (format "these %d articles"
3518 gnus-number-of-articles-to-be-saved)
3521 ;; Let the split methods have their say.
3523 ;; No split name was found.
3526 (concat prompt " (default "
3527 (file-name-nondirectory default-name) "): ")
3528 (file-name-directory default-name)
3530 ;; A single group name is returned.
3531 ((stringp split-name)
3533 (funcall function split-name headers
3534 (symbol-value variable)))
3536 (concat prompt " (default "
3537 (file-name-nondirectory default-name) "): ")
3538 (file-name-directory default-name)
3540 ;; A single split name was found
3541 ((= 1 (length split-name))
3542 (let* ((name (expand-file-name
3544 gnus-article-save-directory))
3545 (dir (cond ((file-directory-p name)
3546 (file-name-as-directory name))
3547 ((file-exists-p name) name)
3548 (t gnus-article-save-directory))))
3550 (concat prompt " (default " name "): ")
3552 ;; A list of splits was found.
3554 (setq split-name (nreverse split-name))
3556 (let ((file-name-history
3557 (nconc split-name file-name-history)))
3561 (concat prompt " (`M-p' for defaults): ")
3562 gnus-article-save-directory
3564 gnus-article-save-directory)))
3565 (car (push result file-name-history)))))))
3566 ;; Create the directory.
3567 (gnus-make-directory (file-name-directory file))
3568 ;; If we have read a directory, we append the default file name.
3569 (when (file-directory-p file)
3570 (setq file (expand-file-name (file-name-nondirectory
3572 (file-name-as-directory file))))
3573 ;; Possibly translate some characters.
3574 (nnheader-translate-file-chars file))))))
3575 (gnus-make-directory (file-name-directory result))
3577 (set variable result))
3579 (set dir-var (file-name-directory result)))
3582 (defun gnus-article-archive-name (group)
3583 "Return the first instance of an \"Archive-name\" in the current buffer."
3584 (let ((case-fold-search t))
3585 (when (re-search-forward "archive-name: *\\([^ \n\t]+\\)[ \t]*$" nil t)
3586 (nnheader-concat gnus-article-save-directory
3587 (match-string 1)))))
3589 (defun gnus-article-nndoc-name (group)
3590 "If GROUP is an nndoc group, return the name of the parent group."
3591 (when (eq (car (gnus-find-method-for-group group)) 'nndoc)
3592 (gnus-group-get-parameter group 'save-article-group)))
3594 (defun gnus-summary-save-in-rmail (&optional filename)
3595 "Append this article to Rmail file.
3596 Optional argument FILENAME specifies file name.
3597 Directory to save to is default to `gnus-article-save-directory'."
3598 (setq filename (gnus-read-save-file-name
3599 "Save %s in rmail file" filename
3600 gnus-rmail-save-name gnus-newsgroup-name
3601 gnus-current-headers 'gnus-newsgroup-last-rmail))
3602 (gnus-eval-in-buffer-window gnus-save-article-buffer
3606 (gnus-output-to-rmail filename))))
3609 (defun gnus-summary-save-in-mail (&optional filename)
3610 "Append this article to Unix mail file.
3611 Optional argument FILENAME specifies file name.
3612 Directory to save to is default to `gnus-article-save-directory'."
3613 (setq filename (gnus-read-save-file-name
3614 "Save %s in Unix mail file" filename
3615 gnus-mail-save-name gnus-newsgroup-name
3616 gnus-current-headers 'gnus-newsgroup-last-mail))
3617 (gnus-eval-in-buffer-window gnus-save-article-buffer
3621 (if (and (file-readable-p filename)
3622 (file-regular-p filename)
3623 (mail-file-babyl-p filename))
3624 (rmail-output-to-rmail-file filename t)
3625 (gnus-output-to-mail filename)))))
3628 (put 'gnus-summary-save-in-file :decode t)
3629 (defun gnus-summary-save-in-file (&optional filename overwrite)
3630 "Append this article to file.
3631 Optional argument FILENAME specifies file name.
3632 Directory to save to is default to `gnus-article-save-directory'."
3633 (setq filename (gnus-read-save-file-name
3634 "Save %s in file" filename
3635 gnus-file-save-name gnus-newsgroup-name
3636 gnus-current-headers 'gnus-newsgroup-last-file))
3637 (gnus-eval-in-buffer-window gnus-save-article-buffer
3641 (when (and overwrite
3642 (file-exists-p filename))
3643 (delete-file filename))
3644 (gnus-output-to-file filename))))
3647 (put 'gnus-summary-write-to-file :decode t)
3648 (put 'gnus-summary-write-to-file :function 'gnus-summary-save-in-file)
3649 (defun gnus-summary-write-to-file (&optional filename)
3650 "Write this article to a file, overwriting it if the file exists.
3651 Optional argument FILENAME specifies file name.
3652 The directory to save in defaults to `gnus-article-save-directory'."
3653 (setq filename (gnus-read-save-file-name
3654 "Save %s in file" filename
3655 gnus-file-save-name gnus-newsgroup-name
3656 gnus-current-headers nil 'gnus-newsgroup-last-directory))
3657 (gnus-summary-save-in-file filename t))
3659 (put 'gnus-summary-save-body-in-file :decode t)
3660 (defun gnus-summary-save-body-in-file (&optional filename overwrite)
3661 "Append this article body to a file.
3662 Optional argument FILENAME specifies file name.
3663 The directory to save in defaults to `gnus-article-save-directory'."
3664 (setq filename (gnus-read-save-file-name
3665 "Save %s body in file" filename
3666 gnus-file-save-name gnus-newsgroup-name
3667 gnus-current-headers 'gnus-newsgroup-last-file))
3668 (gnus-eval-in-buffer-window gnus-save-article-buffer
3672 (when (article-goto-body)
3673 (narrow-to-region (point) (point-max)))
3674 (when (and overwrite
3675 (file-exists-p filename))
3676 (delete-file filename))
3677 (gnus-output-to-file filename))))
3680 (put 'gnus-summary-write-body-to-file :decode t)
3681 (put 'gnus-summary-write-body-to-file
3682 :function 'gnus-summary-save-body-in-file)
3683 (defun gnus-summary-write-body-to-file (&optional filename)
3684 "Write this article body to a file, overwriting it if the file exists.
3685 Optional argument FILENAME specifies file name.
3686 The directory to save in defaults to `gnus-article-save-directory'."
3687 (setq filename (gnus-read-save-file-name
3688 "Save %s body in file" filename
3689 gnus-file-save-name gnus-newsgroup-name
3690 gnus-current-headers nil 'gnus-newsgroup-last-directory))
3691 (gnus-summary-save-body-in-file filename t))
3693 (defun gnus-summary-save-in-pipe (&optional command)
3694 "Pipe this article to subprocess."
3696 (cond ((and (eq command 'default)
3697 gnus-last-shell-command)
3698 gnus-last-shell-command)
3703 "Shell command on %s: "
3704 (if (and gnus-number-of-articles-to-be-saved
3705 (> gnus-number-of-articles-to-be-saved 1))
3706 (format "these %d articles"
3707 gnus-number-of-articles-to-be-saved)
3709 gnus-last-shell-command))))
3710 (when (string-equal command "")
3711 (if gnus-last-shell-command
3712 (setq command gnus-last-shell-command)
3713 (error "A command is required")))
3714 (gnus-eval-in-buffer-window gnus-article-buffer
3717 (shell-command-on-region (point-min) (point-max) command nil)))
3718 (setq gnus-last-shell-command command))
3720 (defun gnus-summary-pipe-to-muttprint (&optional command)
3721 "Pipe this article to muttprint."
3722 (setq command (read-string
3723 "Print using command: " gnus-summary-muttprint-program
3724 nil gnus-summary-muttprint-program))
3725 (gnus-summary-save-in-pipe command))
3727 ;;; Article file names when saving.
3729 (defun gnus-capitalize-newsgroup (newsgroup)
3730 "Capitalize NEWSGROUP name."
3731 (when (not (zerop (length newsgroup)))
3732 (concat (char-to-string (upcase (aref newsgroup 0)))
3733 (substring newsgroup 1))))
3735 (defun gnus-Numeric-save-name (newsgroup headers &optional last-file)
3736 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3737 If variable `gnus-use-long-file-name' is non-nil, it is ~/News/News.group/num.
3738 Otherwise, it is like ~/News/news/group/num."
3741 (concat (if (gnus-use-long-file-name 'not-save)
3742 (gnus-capitalize-newsgroup newsgroup)
3743 (gnus-newsgroup-directory-form newsgroup))
3744 "/" (int-to-string (mail-header-number headers)))
3745 gnus-article-save-directory)))
3747 (string-equal (file-name-directory default)
3748 (file-name-directory last-file))
3749 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
3751 (or last-file default))))
3753 (defun gnus-numeric-save-name (newsgroup headers &optional last-file)
3754 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3755 If variable `gnus-use-long-file-name' is non-nil, it is
3756 ~/News/news.group/num. Otherwise, it is like ~/News/news/group/num."
3759 (concat (if (gnus-use-long-file-name 'not-save)
3761 (gnus-newsgroup-directory-form newsgroup))
3762 "/" (int-to-string (mail-header-number headers)))
3763 gnus-article-save-directory)))
3765 (string-equal (file-name-directory default)
3766 (file-name-directory last-file))
3767 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
3769 (or last-file default))))
3771 (defun gnus-plain-save-name (newsgroup headers &optional last-file)
3772 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3773 If variable `gnus-use-long-file-name' is non-nil, it is
3774 ~/News/news.group. Otherwise, it is like ~/News/news/group/news."
3777 (if (gnus-use-long-file-name 'not-save)
3780 (expand-file-name "news" (gnus-newsgroup-directory-form newsgroup))
3782 gnus-article-save-directory)))
3784 (defun gnus-sender-save-name (newsgroup headers &optional last-file)
3785 "Generate file name from sender."
3786 (let ((from (mail-header-from headers)))
3788 (if (and from (string-match "\\([^ <]+\\)@" from))
3789 (match-string 1 from)
3791 gnus-article-save-directory)))
3793 (defun article-verify-x-pgp-sig ()
3796 (if (gnus-buffer-live-p gnus-original-article-buffer)
3797 (let ((sig (with-current-buffer gnus-original-article-buffer
3798 (gnus-fetch-field "X-PGP-Sig")))
3802 (mml2015-clear-verify-function))
3804 (insert-buffer-substring gnus-original-article-buffer)
3805 (setq items (split-string sig))
3806 (message-narrow-to-head)
3807 (let ((inhibit-point-motion-hooks t)
3808 (case-fold-search t))
3809 ;; Don't verify multiple headers.
3810 (setq headers (mapconcat (lambda (header)
3812 (mail-fetch-field header)
3814 (split-string (nth 1 items) ",") "")))
3815 (delete-region (point-min) (point-max))
3816 (insert "-----BEGIN PGP SIGNED MESSAGE-----\n\n")
3817 (insert "X-Signed-Headers: " (nth 1 items) "\n")
3822 (if (looking-at "^-")
3825 (insert "\n-----BEGIN PGP SIGNATURE-----\n")
3826 (insert "Version: " (car items) "\n\n")
3827 (insert (mapconcat 'identity (cddr items) "\n"))
3828 (insert "\n-----END PGP SIGNATURE-----\n")
3829 (let ((mm-security-handle (list (format "multipart/signed"))))
3830 (mml2015-clean-buffer)
3831 (let ((coding-system-for-write (or gnus-newsgroup-charset
3833 (funcall (mml2015-clear-verify-function)))
3835 (or (mm-handle-multipart-ctl-parameter
3836 mm-security-handle 'gnus-details)
3837 (mm-handle-multipart-ctl-parameter
3838 mm-security-handle 'gnus-info)))))
3840 (let ((inhibit-read-only t) bface eface)
3842 (message-narrow-to-head)
3843 (goto-char (point-max))
3845 (setq bface (get-text-property (point-at-bol) 'face)
3846 eface (get-text-property (1- (point-at-eol)) 'face))
3847 (message-remove-header "X-Gnus-PGP-Verify")
3848 (if (re-search-forward "^X-PGP-Sig:" nil t)
3850 (goto-char (point-max)))
3851 (narrow-to-region (point) (point))
3852 (insert "X-Gnus-PGP-Verify: " info "\n")
3853 (goto-char (point-min))
3856 (if (not (looking-at "^[ \t]"))
3860 (goto-char (point-min))
3861 (when (looking-at "\\([^:]+\\): *")
3862 (put-text-property (match-beginning 1) (1+ (match-end 1))
3864 (put-text-property (match-end 0) (point-max)
3865 'face eface)))))))))
3867 (defun article-verify-cancel-lock ()
3868 "Verify Cancel-Lock header."
3870 (if (gnus-buffer-live-p gnus-original-article-buffer)
3871 (canlock-verify gnus-original-article-buffer)))
3878 (setq afunc (car func)
3881 gfunc (intern (format "gnus-%s" func))))
3883 (when (fboundp afunc)
3884 `(lambda (&optional interactive &rest args)
3885 ,(documentation afunc t)
3886 (interactive (list t))
3888 (set-buffer gnus-article-buffer)
3890 (call-interactively ',afunc)
3891 (apply ',afunc args))))))))
3892 '(article-hide-headers
3893 article-verify-x-pgp-sig
3894 article-verify-cancel-lock
3895 article-hide-boring-headers
3896 article-treat-overstrike
3897 article-treat-ansi-sequences
3898 article-fill-long-lines
3899 article-capitalize-sentences
3901 article-remove-leading-whitespace
3902 article-display-x-face
3903 article-display-face
3904 article-de-quoted-unreadable
3905 article-de-base64-unreadable
3908 article-unsplit-urls
3909 article-hide-list-identifiers
3910 article-strip-banner
3913 article-hide-signature
3914 article-strip-headers-in-body
3915 article-remove-trailing-blank-lines
3916 article-strip-leading-blank-lines
3917 article-strip-multiple-blank-lines
3918 article-strip-leading-space
3919 article-strip-trailing-space
3920 article-strip-blank-lines
3921 article-strip-all-blank-lines
3923 article-date-english
3924 article-date-iso8601
3925 article-date-original
3927 article-decode-mime-words
3928 article-decode-charset
3929 article-decode-encoded-words
3933 article-treat-dumbquotes
3934 article-normalize-headers
3935 ;; (article-show-all . gnus-article-show-all-headers)
3939 ;;; Gnus article mode
3942 (put 'gnus-article-mode 'mode-class 'special)
3944 (set-keymap-parent gnus-article-mode-map widget-keymap)
3946 (gnus-define-keys gnus-article-mode-map
3947 " " gnus-article-goto-next-page
3948 "\177" gnus-article-goto-prev-page
3949 [delete] gnus-article-goto-prev-page
3950 [backspace] gnus-article-goto-prev-page
3951 "\C-c^" gnus-article-refer-article
3952 "h" gnus-article-show-summary
3953 "s" gnus-article-show-summary
3954 "\C-c\C-m" gnus-article-mail
3955 "?" gnus-article-describe-briefly
3956 "e" gnus-summary-edit-article
3957 "<" beginning-of-buffer
3959 "\C-c\C-i" gnus-info-find-node
3961 "R" gnus-article-reply-with-original
3962 "F" gnus-article-followup-with-original
3963 "\C-hk" gnus-article-describe-key
3964 "\C-hc" gnus-article-describe-key-briefly
3966 "\C-d" gnus-article-read-summary-keys
3967 "\M-*" gnus-article-read-summary-keys
3968 "\M-#" gnus-article-read-summary-keys
3969 "\M-^" gnus-article-read-summary-keys
3970 "\M-g" gnus-article-read-summary-keys)
3972 (substitute-key-definition
3973 'undefined 'gnus-article-read-summary-keys gnus-article-mode-map)
3975 (defun gnus-article-make-menu-bar ()
3976 (unless (boundp 'gnus-article-commands-menu)
3977 (gnus-summary-make-menu-bar))
3978 (gnus-turn-off-edit-menu 'article)
3979 (unless (boundp 'gnus-article-article-menu)
3981 gnus-article-article-menu gnus-article-mode-map ""
3983 ["Scroll forwards" gnus-article-goto-next-page t]
3984 ["Scroll backwards" gnus-article-goto-prev-page t]
3985 ["Show summary" gnus-article-show-summary t]
3986 ["Fetch Message-ID at point" gnus-article-refer-article t]
3987 ["Mail to address at point" gnus-article-mail t]
3988 ["Send a bug report" gnus-bug t]))
3991 gnus-article-treatment-menu gnus-article-mode-map ""
3992 ;; Fixme: this should use :active (and maybe :visible).
3994 ["Hide headers" gnus-article-hide-headers t]
3995 ["Hide signature" gnus-article-hide-signature t]
3996 ["Hide citation" gnus-article-hide-citation t]
3997 ["Treat overstrike" gnus-article-treat-overstrike t]
3998 ["Treat ANSI sequences" gnus-article-treat-ansi-sequences t]
3999 ["Remove carriage return" gnus-article-remove-cr t]
4000 ["Remove leading whitespace" gnus-article-remove-leading-whitespace t]
4001 ["Remove quoted-unreadable" gnus-article-de-quoted-unreadable t]
4002 ["Remove base64" gnus-article-de-base64-unreadable t]
4003 ["Treat html" gnus-article-wash-html t]
4004 ["Remove newlines from within URLs" gnus-article-unsplit-urls t]
4005 ["Decode HZ" gnus-article-decode-HZ t]))
4007 ;; Note "Commands" menu is defined in gnus-sum.el for consistency
4009 ;; Note "Post" menu is defined in gnus-sum.el for consistency
4011 (gnus-run-hooks 'gnus-article-menu-hook)))
4013 (defun gnus-article-mode ()
4014 "Major mode for displaying an article.
4016 All normal editing commands are switched off.
4018 The following commands are available in addition to all summary mode
4020 \\<gnus-article-mode-map>
4021 \\[gnus-article-next-page]\t Scroll the article one page forwards
4022 \\[gnus-article-prev-page]\t Scroll the article one page backwards
4023 \\[gnus-article-refer-article]\t Go to the article referred to by an article id near point
4024 \\[gnus-article-show-summary]\t Display the summary buffer
4025 \\[gnus-article-mail]\t Send a reply to the address near point
4026 \\[gnus-article-describe-briefly]\t Describe the current mode briefly
4027 \\[gnus-info-find-node]\t Go to the Gnus info node"
4029 (kill-all-local-variables)
4030 (gnus-simplify-mode-line)
4031 (setq mode-name "Article")
4032 (setq major-mode 'gnus-article-mode)
4033 (make-local-variable 'minor-mode-alist)
4034 (use-local-map gnus-article-mode-map)
4035 (when (gnus-visual-p 'article-menu 'menu)
4036 (gnus-article-make-menu-bar)
4037 (when gnus-summary-tool-bar-map
4038 (set (make-local-variable 'tool-bar-map) gnus-summary-tool-bar-map)))
4039 (gnus-update-format-specifications nil 'article-mode)
4040 (set (make-local-variable 'page-delimiter) gnus-page-delimiter)
4041 (set (make-local-variable 'gnus-page-broken) nil)
4042 (make-local-variable 'gnus-button-marker-list)
4043 (make-local-variable 'gnus-article-current-summary)
4044 (make-local-variable 'gnus-article-mime-handles)
4045 (make-local-variable 'gnus-article-decoded-p)
4046 (make-local-variable 'gnus-article-mime-handle-alist)
4047 (make-local-variable 'gnus-article-wash-types)
4048 (make-local-variable 'gnus-article-image-alist)
4049 (make-local-variable 'gnus-article-charset)
4050 (make-local-variable 'gnus-article-ignored-charsets)
4051 ;; Prevent recent Emacsen from displaying non-break space as "\ ".
4052 (set (make-local-variable 'nobreak-char-display) nil)
4053 (setq cursor-in-non-selected-windows nil)
4054 (gnus-set-default-directory)
4055 (buffer-disable-undo)
4056 (setq buffer-read-only t
4057 show-trailing-whitespace nil)
4058 (set-syntax-table gnus-article-mode-syntax-table)
4059 (mm-enable-multibyte)
4060 (gnus-run-mode-hooks 'gnus-article-mode-hook))
4062 (defun gnus-article-setup-buffer ()
4063 "Initialize the article buffer."
4064 (let* ((name (if gnus-single-article-buffer "*Article*"
4065 (concat "*Article " gnus-newsgroup-name "*")))
4067 (progn (string-match "\\*Article" name)
4068 (concat " *Original Article"
4069 (substring name (match-end 0))))))
4070 (setq gnus-article-buffer name)
4071 (setq gnus-original-article-buffer original)
4072 (setq gnus-article-mime-handle-alist nil)
4073 (with-current-buffer gnus-summary-buffer
4074 ;; This might be a variable local to the summary buffer.
4075 (unless gnus-single-article-buffer
4076 (setq gnus-article-buffer name)
4077 (setq gnus-original-article-buffer original)
4078 (gnus-set-global-variables)))
4079 (gnus-article-setup-highlight-words)
4080 ;; Init original article buffer.
4082 (set-buffer (gnus-get-buffer-create gnus-original-article-buffer))
4083 (mm-enable-multibyte)
4084 (setq major-mode 'gnus-original-article-mode)
4085 (make-local-variable 'gnus-original-article))
4086 (if (and (get-buffer name)
4087 (with-current-buffer name
4088 (if gnus-article-edit-mode
4089 (if (y-or-n-p "Article mode edit in progress; discard? ")
4091 (set-buffer-modified-p nil)
4092 (gnus-kill-buffer name)
4095 (error "Action aborted"))
4099 (set (make-local-variable 'gnus-article-edit-mode) nil)
4100 (when gnus-article-mime-handles
4101 (mm-destroy-parts gnus-article-mime-handles)
4102 (setq gnus-article-mime-handles nil))
4103 ;; Set it to nil in article-buffer!
4104 (setq gnus-article-mime-handle-alist nil)
4105 (buffer-disable-undo)
4106 (setq buffer-read-only t)
4107 ;; This list just keeps growing if we don't reset it.
4108 (setq gnus-button-marker-list nil)
4109 (unless (eq major-mode 'gnus-article-mode)
4110 (gnus-article-mode))
4113 (set-buffer (gnus-get-buffer-create name))
4115 (make-local-variable 'gnus-summary-buffer)
4116 (gnus-summary-set-local-parameters gnus-newsgroup-name)
4117 (current-buffer)))))
4119 ;; Set article window start at LINE, where LINE is the number of lines
4120 ;; from the head of the article.
4121 (defun gnus-article-set-window-start (&optional line)
4123 (gnus-get-buffer-window gnus-article-buffer t)
4125 (set-buffer gnus-article-buffer)
4126 (goto-char (point-min))
4129 (gnus-message 6 "Moved to bookmark")
4130 (search-forward "\n\n" nil t)
4134 (defun gnus-article-prepare (article &optional all-headers header)
4135 "Prepare ARTICLE in article mode buffer.
4136 ARTICLE should either be an article number or a Message-ID.
4137 If ARTICLE is an id, HEADER should be the article headers.
4138 If ALL-HEADERS is non-nil, no headers are hidden."
4140 ;; Make sure we start in a summary buffer.
4141 (unless (eq major-mode 'gnus-summary-mode)
4142 (set-buffer gnus-summary-buffer))
4143 (setq gnus-summary-buffer (current-buffer))
4144 (let* ((gnus-article (if header (mail-header-number header) article))
4145 (summary-buffer (current-buffer))
4146 (gnus-tmp-internal-hook gnus-article-internal-prepare-hook)
4147 (group gnus-newsgroup-name)
4150 (gnus-article-setup-buffer)
4151 (set-buffer gnus-article-buffer)
4152 ;; Deactivate active regions.
4153 (when (and (boundp 'transient-mark-mode)
4154 transient-mark-mode)
4155 (setq mark-active nil))
4156 (if (not (setq result (let ((inhibit-read-only t))
4157 (gnus-request-article-this-buffer
4159 ;; There is no such article.
4161 (when (and (numberp article)
4162 (not (memq article gnus-newsgroup-sparse)))
4163 (setq gnus-article-current
4164 (cons gnus-newsgroup-name article))
4165 (set-buffer gnus-summary-buffer)
4166 (setq gnus-current-article article)
4167 (if (and (memq article gnus-newsgroup-undownloaded)
4168 (not (gnus-online (gnus-find-method-for-group
4169 gnus-newsgroup-name))))
4171 (gnus-summary-set-agent-mark article)
4172 (message "Message marked for downloading"))
4173 (gnus-summary-mark-article article gnus-canceled-mark)
4174 (unless (memq article gnus-newsgroup-sparse)
4175 (gnus-error 1 "No such article (may have expired or been canceled)")))))
4176 (if (or (eq result 'pseudo)
4177 (eq result 'nneething))
4180 (set-buffer summary-buffer)
4181 (push article gnus-newsgroup-history)
4182 (setq gnus-last-article gnus-current-article
4183 gnus-current-article 0
4184 gnus-current-headers nil
4185 gnus-article-current nil)
4186 (if (eq result 'nneething)
4187 (gnus-configure-windows 'summary)
4188 (gnus-configure-windows 'article))
4189 (gnus-set-global-variables))
4190 (let ((gnus-article-mime-handle-alist-1
4191 gnus-article-mime-handle-alist))
4192 (gnus-set-mode-line 'article)))
4193 ;; The result from the `request' was an actual article -
4194 ;; or at least some text that is now displayed in the
4196 (when (and (numberp article)
4197 (not (eq article gnus-current-article)))
4198 ;; Seems like a new article has been selected.
4199 ;; `gnus-current-article' must be an article number.
4201 (set-buffer summary-buffer)
4202 (push article gnus-newsgroup-history)
4203 (setq gnus-last-article gnus-current-article
4204 gnus-current-article article
4205 gnus-current-headers
4206 (gnus-summary-article-header gnus-current-article)
4207 gnus-article-current
4208 (cons gnus-newsgroup-name gnus-current-article))
4209 (unless (vectorp gnus-current-headers)
4210 (setq gnus-current-headers nil))
4211 (gnus-summary-goto-subject gnus-current-article)
4212 (when (gnus-summary-show-thread)
4213 ;; If the summary buffer really was folded, the
4214 ;; previous goto may not actually have gone to
4215 ;; the right article, but the thread root instead.
4217 (gnus-summary-goto-subject gnus-current-article))
4218 (gnus-run-hooks 'gnus-mark-article-hook)
4219 (gnus-set-mode-line 'summary)
4220 (when (gnus-visual-p 'article-highlight 'highlight)
4221 (gnus-run-hooks 'gnus-visual-mark-article-hook))
4222 ;; Set the global newsgroup variables here.
4223 (gnus-set-global-variables)
4224 (setq gnus-have-all-headers
4225 (or all-headers gnus-show-all-headers))))
4227 (gnus-configure-windows 'article))
4228 (when (or (numberp article)
4230 (gnus-article-prepare-display)
4232 (goto-char (point-min))
4233 (when gnus-break-pages
4234 (gnus-narrow-to-page)))
4235 (let ((gnus-article-mime-handle-alist-1
4236 gnus-article-mime-handle-alist))
4237 (gnus-set-mode-line 'article))
4241 (set-window-point (get-buffer-window (current-buffer)) (point))
4242 (gnus-configure-windows 'article)
4246 (defun gnus-article-prepare-display ()
4247 "Make the current buffer look like a nice article."
4248 ;; Hooks for getting information from the article.
4249 ;; This hook must be called before being narrowed.
4250 (let ((gnus-article-buffer (current-buffer))
4252 (inhibit-read-only t))
4253 (unless (eq major-mode 'gnus-article-mode)
4254 (gnus-article-mode))
4255 (setq buffer-read-only nil
4256 gnus-article-wash-types nil
4257 gnus-article-image-alist nil)
4258 (gnus-run-hooks 'gnus-tmp-internal-hook)
4259 (when gnus-display-mime-function
4260 (funcall gnus-display-mime-function))
4261 (gnus-run-hooks 'gnus-article-prepare-hook)))
4264 ;;; Gnus MIME viewing functions
4267 (defvar gnus-mime-button-line-format "%{%([%p. %d%T]%)%}%e\n"
4268 "Format of the MIME buttons.
4270 Valid specifiers include:
4272 %T MIME type, along with additional info
4273 %n The `name' parameter
4274 %d The description, if any
4275 %l The length of the encoded part
4276 %p The part identifier number
4277 %e Dots if the part isn't displayed
4279 General format specifiers can also be used. See Info node
4280 `(gnus)Formatting Variables'.")
4282 (defvar gnus-mime-button-line-format-alist
4283 '((?t gnus-tmp-type ?s)
4284 (?T gnus-tmp-type-long ?s)
4285 (?n gnus-tmp-name ?s)
4286 (?d gnus-tmp-description ?s)
4288 (?l gnus-tmp-length ?d)
4289 (?e gnus-tmp-dots ?s)))
4291 (defvar gnus-mime-button-commands
4292 '((gnus-article-press-button "\r" "Toggle Display")
4293 (gnus-mime-view-part "v" "View Interactively...")
4294 (gnus-mime-view-part-as-type "t" "View As Type...")
4295 (gnus-mime-view-part-as-charset "C" "View As charset...")
4296 (gnus-mime-save-part "o" "Save...")
4297 (gnus-mime-save-part-and-strip "\C-o" "Save and Strip")
4298 (gnus-mime-replace-part "r" "Replace part")
4299 (gnus-mime-delete-part "d" "Delete part")
4300 (gnus-mime-copy-part "c" "View As Text, In Other Buffer")
4301 (gnus-mime-inline-part "i" "View As Text, In This Buffer")
4302 (gnus-mime-view-part-internally "E" "View Internally") ;; Why `E'?
4303 (gnus-mime-view-part-externally "e" "View Externally")
4304 (gnus-mime-print-part "p" "Print")
4305 (gnus-mime-pipe-part "|" "Pipe To Command...")
4306 (gnus-mime-action-on-part "." "Take action on the part...")))
4308 (defun gnus-article-mime-part-status ()
4309 (if gnus-article-mime-handle-alist-1
4310 (if (eq 1 (length gnus-article-mime-handle-alist-1))
4312 (format " (%d parts)" (length gnus-article-mime-handle-alist-1)))
4315 (defvar gnus-mime-button-map
4316 (let ((map (make-sparse-keymap)))
4317 (define-key map gnus-mouse-2 'gnus-article-push-button)
4318 (define-key map gnus-down-mouse-3 'gnus-mime-button-menu)
4319 (dolist (c gnus-mime-button-commands)
4320 (define-key map (cadr c) (car c)))
4324 gnus-mime-button-menu gnus-mime-button-map "MIME button menu."
4326 ,@(mapcar (lambda (c)
4327 (vector (caddr c) (car c) :active t))
4328 gnus-mime-button-commands)))
4330 (defun gnus-mime-button-menu (event prefix)
4331 "Construct a context-sensitive menu of MIME commands."
4332 (interactive "e\nP")
4333 (save-window-excursion
4334 (let ((pos (event-start event)))
4335 (select-window (posn-window pos))
4336 (goto-char (posn-point pos))
4337 (gnus-article-check-buffer)
4338 (popup-menu gnus-mime-button-menu nil prefix))))
4340 (defun gnus-mime-view-all-parts (&optional handles)
4341 "View all the MIME parts."
4343 (with-current-buffer gnus-article-buffer
4344 (let ((handles (or handles gnus-article-mime-handles))
4345 (mail-parse-charset gnus-newsgroup-charset)
4346 (mail-parse-ignored-charsets
4347 (with-current-buffer gnus-summary-buffer
4348 gnus-newsgroup-ignored-charsets)))
4350 (mm-remove-parts handles)
4351 (goto-char (point-min))
4352 (or (search-forward "\n\n") (goto-char (point-max)))
4353 (let ((inhibit-read-only t))
4354 (delete-region (point) (point-max))
4355 (mm-display-parts handles))))))
4357 (defun gnus-article-jump-to-part (n)
4358 "Jump to MIME part N."
4360 (pop-to-buffer gnus-article-buffer)
4361 ;; FIXME: why is it necessary?
4363 (let ((parts (length gnus-article-mime-handle-alist)))
4366 (read-string ;; Emacs 21 doesn't have `read-number'.
4367 (format "Jump to part (2..%s): " parts)))))
4368 (unless (and (integerp n) (<= n parts) (>= n 1))
4371 (gnus-message 7 "Invalid part `%s', using %s instead."
4374 (gnus-message 9 "Jumping to part %s." n)
4375 (cond ((>= gnus-auto-select-part 1)
4376 (while (and (<= n parts)
4377 (not (gnus-article-goto-part n)))
4379 ((< gnus-auto-select-part 0)
4380 (while (and (>= n 1)
4381 (not (gnus-article-goto-part n)))
4384 (gnus-article-goto-part n)))))
4387 (defsubst gnus-article-edit-part (handles &optional current-id)
4388 "Edit an article in order to delete a mime part.
4389 This function is exclusively used by `gnus-mime-save-part-and-strip'
4390 and `gnus-mime-delete-part', and not provided at run-time normally."
4391 (gnus-article-edit-article
4393 (buffer-disable-undo)
4395 (let ((mail-parse-charset (or gnus-article-charset
4396 ',gnus-newsgroup-charset))
4397 (mail-parse-ignored-charsets
4398 (or gnus-article-ignored-charsets
4399 ',gnus-newsgroup-ignored-charsets))
4400 (mbl mml-buffer-list))
4401 (setq mml-buffer-list nil)
4402 (insert-buffer-substring gnus-original-article-buffer)
4403 (mime-to-mml ',handles)
4404 (setq gnus-article-mime-handles nil)
4405 (let ((mbl1 mml-buffer-list))
4406 (setq mml-buffer-list mbl)
4407 (set (make-local-variable 'mml-buffer-list) mbl1))
4408 (gnus-make-local-hook 'kill-buffer-hook)
4409 (add-hook 'kill-buffer-hook 'mml-destroy-buffers t t)))
4410 `(lambda (no-highlight)
4411 (let ((mail-parse-charset (or gnus-article-charset
4412 ',gnus-newsgroup-charset))
4413 (message-options message-options)
4414 (message-options-set-recipient)
4415 (mail-parse-ignored-charsets
4416 (or gnus-article-ignored-charsets
4417 ',gnus-newsgroup-ignored-charsets)))
4419 (mml-destroy-buffers)
4420 (remove-hook 'kill-buffer-hook
4421 'mml-destroy-buffers t)
4422 (kill-local-variable 'mml-buffer-list))
4423 (gnus-summary-edit-article-done
4424 ,(or (mail-header-references gnus-current-headers) "")
4425 ,(gnus-group-read-only-p)
4426 ,gnus-summary-buffer no-highlight))
4428 (gnus-article-edit-done)
4429 (gnus-summary-expand-window)
4430 (gnus-summary-show-article)
4431 (when (and current-id (integerp gnus-auto-select-part))
4432 (gnus-article-jump-to-part
4433 (+ current-id gnus-auto-select-part)))))
4435 (defun gnus-mime-replace-part (file)
4436 "Replace MIME part under point with an external body."
4437 ;; Useful if file has already been saved to disk
4441 (read-file-name "Replace MIME part with file: "
4442 (or mm-default-directory default-directory)
4444 (gnus-mime-save-part-and-strip file))
4446 (defun gnus-mime-save-part-and-strip (&optional file)
4447 "Save the MIME part under point then replace it with an external body.
4448 If FILE is given, use it for the external part."
4450 (gnus-article-check-buffer)
4451 (when (gnus-group-read-only-p)
4452 (error "The current group does not support deleting of parts"))
4453 (when (mm-complicated-handles gnus-article-mime-handles)
4455 The current article has a complicated MIME structure, giving up..."))
4456 (let* ((data (get-text-property (point) 'gnus-data))
4457 (id (get-text-property (point) 'gnus-part))
4459 (handles gnus-article-mime-handles))
4462 (and data (mm-save-part data "Delete MIME part and save to: "))))
4464 (with-current-buffer (mm-handle-buffer data)
4466 (insert "Content-Type: " (mm-handle-media-type data))
4467 (mml-insert-parameter-string (cdr (mm-handle-type data))
4469 ;; Add a filename for the sake of saving the part again.
4470 (mml-insert-parameter
4471 (mail-header-encode-parameter "name" (file-name-nondirectory file)))
4473 (insert "Content-ID: " (message-make-message-id) "\n")
4474 (insert "Content-Transfer-Encoding: binary\n")
4477 (cdr (mm-make-handle nil
4478 `("message/external-body"
4479 (access-type . "LOCAL-FILE")
4481 ;; (set-buffer gnus-summary-buffer)
4482 (gnus-article-edit-part handles id))))
4484 ;; A function like `gnus-summary-save-parts' (`X m', `<MIME> <Extract all
4485 ;; parts...>') but with stripping would be nice.
4487 (defun gnus-mime-delete-part ()
4488 "Delete the MIME part under point.
4489 Replace it with some information about the removed part."
4491 (gnus-article-check-buffer)
4492 (when (gnus-group-read-only-p)
4493 (error "The current group does not support deleting of parts"))
4494 (when (mm-complicated-handles gnus-article-mime-handles)
4496 The current article has a complicated MIME structure, giving up..."))
4497 (when (or gnus-expert-user
4498 (gnus-yes-or-no-p "\
4499 Deleting parts may malfunction or destroy the article; continue? "))
4500 (let* ((data (get-text-property (point) 'gnus-data))
4501 (id (get-text-property (point) 'gnus-part))
4502 (handles gnus-article-mime-handles)
4506 (mail-decode-encoded-word-string (or (mm-handle-description data)
4509 (or (mail-content-type-get (mm-handle-disposition data) 'filename)
4511 (type (mm-handle-media-type data)))
4513 (error "No MIME part under point"))
4514 (with-current-buffer (mm-handle-buffer data)
4515 (let ((bsize (format "%s" (buffer-size))))
4520 "| The following attachment has been deleted:\n"
4522 "| Type: " type "\n"
4523 "| Filename: " filename "\n"
4524 "| Size (encoded): " bsize " Byte\n"
4525 "| Description: " description "\n"
4528 (cdr (mm-make-handle
4529 nil `("text/plain") nil nil
4531 (format "Deleted attachment (%s bytes)" bsize))))))
4532 ;; (set-buffer gnus-summary-buffer)
4533 (gnus-article-edit-part handles id))))
4535 (defun gnus-mime-save-part ()
4536 "Save the MIME part under point."
4538 (gnus-article-check-buffer)
4539 (let ((data (get-text-property (point) 'gnus-data)))
4541 (mm-save-part data))))
4543 (defun gnus-mime-pipe-part ()
4544 "Pipe the MIME part under point to a process."
4546 (gnus-article-check-buffer)
4547 (let ((data (get-text-property (point) 'gnus-data)))
4549 (mm-pipe-part data))))
4551 (defun gnus-mime-view-part ()
4552 "Interactively choose a viewing method for the MIME part under point."
4554 (gnus-article-check-buffer)
4555 (let ((data (get-text-property (point) 'gnus-data)))
4557 (setq gnus-article-mime-handles
4559 gnus-article-mime-handles (setq data (copy-sequence data))))
4560 (mm-interactively-view-part data))))
4562 (defun gnus-mime-view-part-as-type-internal ()
4563 (gnus-article-check-buffer)
4564 (let* ((handle (get-text-property (point) 'gnus-data))
4566 ;; Content-Type: foo/bar; name=...
4567 (mail-content-type-get (mm-handle-type handle) 'name)
4568 ;; Content-Disposition: attachment; filename=...
4569 (cdr (assq 'filename (cdr (mm-handle-disposition handle))))))
4570 (def-type (and name (mm-default-file-encoding name))))
4571 (and def-type (cons def-type 0))))
4573 (defun gnus-mime-view-part-as-type (&optional mime-type pred)
4574 "Choose a MIME media type, and view the part as such.
4575 If non-nil, PRED is a predicate to use during completion to limit the
4576 available media-types."
4580 (let ((default (gnus-mime-view-part-as-type-internal)))
4582 (format "View as MIME type (default %s): "
4584 (mapcar #'list (mailcap-mime-types))
4587 (gnus-article-check-buffer)
4588 (let ((handle (get-text-property (point) 'gnus-data)))
4590 (when (equal (mm-handle-media-type handle) "message/external-body")
4591 (unless (mm-handle-cache handle)
4592 (mm-extern-cache-contents handle))
4593 (setq handle (mm-handle-cache handle)))
4595 (mm-make-handle (mm-handle-buffer handle)
4596 (cons mime-type (cdr (mm-handle-type handle)))
4597 (mm-handle-encoding handle)
4598 (mm-handle-undisplayer handle)
4599 (mm-handle-disposition handle)
4600 (mm-handle-description handle)
4602 (mm-handle-id handle)))
4603 (setq gnus-article-mime-handles
4604 (mm-merge-handles gnus-article-mime-handles handle))
4605 (gnus-mm-display-part handle))))
4607 (defun gnus-mime-copy-part (&optional handle arg)
4608 "Put the MIME part under point into a new buffer.
4609 If `auto-compression-mode' is enabled, compressed files like .gz and .bz2
4611 (interactive (list nil current-prefix-arg))
4612 (gnus-article-check-buffer)
4614 (setq handle (get-text-property (point) 'gnus-data)))
4616 (let ((filename (or (mail-content-type-get (mm-handle-type handle)
4618 (mail-content-type-get (mm-handle-disposition handle)
4620 contents dont-decode charset coding-system)
4621 (mm-with-unibyte-buffer
4622 (mm-insert-part handle)
4623 (setq contents (or (condition-case nil
4624 (mm-decompress-buffer filename nil 'sig)
4626 (setq dont-decode t)
4629 (setq filename (cond (filename (file-name-nondirectory filename))
4630 (dont-decode "*raw data*")
4635 (unless (setq charset (mail-content-type-get
4636 (mm-handle-type handle) 'charset))
4637 (unless (setq coding-system (mm-with-unibyte-buffer
4639 (mm-find-buffer-file-coding-system)))
4640 (setq charset gnus-newsgroup-charset))))
4642 (setq charset (or (cdr (assq arg
4643 gnus-summary-show-article-charset-alist))
4644 (mm-read-coding-system "Charset: ")))))
4645 (switch-to-buffer (generate-new-buffer filename))
4646 (if (or coding-system
4648 (setq coding-system (mm-charset-to-coding-system charset))
4649 (not (eq charset 'ascii))))
4651 (mm-enable-multibyte)
4652 (insert (mm-decode-coding-string contents coding-system))
4653 (setq buffer-file-coding-system
4654 (if (boundp 'last-coding-system-used)
4655 (symbol-value 'last-coding-system-used)
4657 (mm-disable-multibyte)
4659 (setq buffer-file-coding-system mm-binary-coding-system))
4660 ;; We do it this way to make `normal-mode' set the appropriate mode.
4663 (setq buffer-file-name (expand-file-name filename))
4665 (setq buffer-file-name nil))
4666 (goto-char (point-min)))))
4668 (defun gnus-mime-print-part (&optional handle filename)
4669 "Print the MIME part under point."
4670 (interactive (list nil (ps-print-preprint current-prefix-arg)))
4671 (gnus-article-check-buffer)
4672 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4673 (contents (and handle (mm-get-part handle)))
4674 (file (mm-make-temp-file (expand-file-name "mm." mm-tmp-directory)))
4675 (printer (mailcap-mime-info (mm-handle-media-type handle) "print")))
4680 (mm-save-part-to-file handle file)
4681 (call-process shell-file-name nil
4682 (generate-new-buffer " *mm*")
4684 shell-command-switch
4686 printer file (mm-handle-type handle))))
4690 (gnus-print-buffer))
4691 (ps-despool filename)))))
4693 (defun gnus-mime-inline-part (&optional handle arg)
4694 "Insert the MIME part under point into the current buffer.
4695 Compressed files like .gz and .bz2 are decompressed."
4696 (interactive (list nil current-prefix-arg))
4697 (gnus-article-check-buffer)
4699 (setq handle (get-text-property (point) 'gnus-data)))
4702 (inhibit-read-only t)
4703 contents charset coding-system)
4704 (if (and (not arg) (mm-handle-undisplayer handle))
4705 (mm-remove-part handle)
4706 (mm-with-unibyte-buffer
4707 (mm-insert-part handle)
4709 (or (mm-decompress-buffer
4710 (or (mail-content-type-get (mm-handle-type handle)
4712 (mail-content-type-get (mm-handle-disposition handle)
4718 (unless (setq charset (mail-content-type-get
4719 (mm-handle-type handle) 'charset))
4720 (unless (setq coding-system
4721 (mm-with-unibyte-buffer
4723 (mm-find-buffer-file-coding-system)))
4724 (setq charset gnus-newsgroup-charset))))
4726 (if (mm-handle-undisplayer handle)
4727 (mm-remove-part handle))
4730 gnus-summary-show-article-charset-alist))
4731 (mm-read-coding-system "Charset: "))))
4733 (if (mm-handle-undisplayer handle)
4734 (mm-remove-part handle))))
4738 (if (or coding-system
4741 (mm-charset-to-coding-system charset))
4742 (not (eq coding-system 'ascii))))
4743 (mm-decode-coding-string contents coding-system)
4744 (mm-string-to-multibyte contents)))
4747 (defun gnus-mime-view-part-as-charset (&optional handle arg)
4748 "Insert the MIME part under point into the current buffer using the
4750 (interactive (list nil current-prefix-arg))
4751 (gnus-article-check-buffer)
4752 (let ((handle (or handle (get-text-property (point) 'gnus-data)))
4753 (fun (get-text-property (point) 'gnus-callback))
4754 (gnus-newsgroup-ignored-charsets 'gnus-all)
4755 gnus-newsgroup-charset type charset)
4757 (if (mm-handle-undisplayer handle)
4758 (mm-remove-part handle))
4760 (setq gnus-newsgroup-charset
4761 (or (cdr (assq arg gnus-summary-show-article-charset-alist))
4762 (mm-read-coding-system "Charset: ")))
4763 ;; Strip the charset parameter from `handle'.
4764 (setq type (mm-handle-type
4765 (if (equal (mm-handle-media-type handle)
4766 "message/external-body")
4768 (unless (mm-handle-cache handle)
4769 (mm-extern-cache-contents handle))
4770 (mm-handle-cache handle))
4772 charset (assq 'charset (cdr type)))
4774 (funcall fun handle)))))
4776 (defun gnus-mime-view-part-externally (&optional handle)
4777 "View the MIME part under point with an external viewer."
4779 (gnus-article-check-buffer)
4780 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4781 (mm-user-display-methods nil)
4782 (mm-inlined-types nil)
4783 (mail-parse-charset gnus-newsgroup-charset)
4784 (mail-parse-ignored-charsets
4785 (with-current-buffer gnus-summary-buffer
4786 gnus-newsgroup-ignored-charsets))
4787 (type (mm-handle-media-type handle))
4788 (method (mailcap-mime-info type))
4789 (mm-enable-external t))
4790 (if (not (stringp method))
4791 (gnus-mime-view-part-as-type
4792 nil (lambda (type) (stringp (mailcap-mime-info type))))
4794 (if (mm-handle-undisplayer handle)
4795 (mm-remove-part handle)
4796 (mm-display-part handle))))))
4798 (defun gnus-mime-view-part-internally (&optional handle)
4799 "View the MIME part under point with an internal viewer.
4800 If no internal viewer is available, use an external viewer."
4802 (gnus-article-check-buffer)
4803 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4804 (mm-inlined-types '(".*"))
4805 (mm-inline-large-images t)
4806 (mail-parse-charset gnus-newsgroup-charset)
4807 (mail-parse-ignored-charsets
4808 (with-current-buffer gnus-summary-buffer
4809 gnus-newsgroup-ignored-charsets))
4810 (inhibit-read-only t))
4811 (if (not (mm-inlinable-p handle))
4812 (gnus-mime-view-part-as-type
4813 nil (lambda (type) (mm-inlinable-p handle type)))
4815 (if (mm-handle-undisplayer handle)
4816 (mm-remove-part handle)
4817 (mm-display-part handle))))))
4819 (defun gnus-mime-action-on-part (&optional action)
4820 "Do something with the MIME attachment at \(point\)."
4822 (list (completing-read "Action: " gnus-mime-action-alist nil t)))
4823 (gnus-article-check-buffer)
4824 (let ((action-pair (assoc action gnus-mime-action-alist)))
4826 (funcall (cdr action-pair)))))
4828 (defun gnus-article-part-wrapper (n function &optional no-handle interactive)
4829 "Call FUNCTION on MIME part N.
4830 Unless NO-HANDLE, call FUNCTION with N-th MIME handle as it's only argument.
4831 If INTERACTIVE, call FUNCTION interactivly."
4833 ;; Check whether the article is displayed.
4834 (unless (and (gnus-buffer-live-p gnus-article-buffer)
4835 (setq window (get-buffer-window gnus-article-buffer t))
4836 (frame-visible-p (setq frame (window-frame window))))
4837 (error "No article is displayed"))
4838 (with-current-buffer gnus-article-buffer
4839 ;; Check whether the article displays the right contents.
4840 (unless (with-current-buffer gnus-summary-buffer
4841 (eq gnus-current-article (gnus-summary-article-number)))
4842 (error "You should select the right article first"))
4843 ;; Check whether the specified part exists.
4844 (when (> n (length gnus-article-mime-handle-alist))
4845 (error "No such part")))
4848 ;; To select the window is needed so that the cursor
4849 ;; might be visible on the MIME button.
4850 (select-window (prog1
4852 (setq window (selected-window))
4853 ;; Article may be displayed in the other frame.
4854 (gnus-select-frame-set-input-focus
4857 (setq frame (selected-frame))))))
4858 (when (gnus-article-goto-part n)
4859 ;; We point the cursor and the arrow at the MIME button
4860 ;; when the `function' prompt the user for something.
4861 (let ((cursor-in-non-selected-windows t)
4862 (overlay-arrow-string "=>")
4863 (overlay-arrow-position (point-marker)))
4866 ((and no-handle interactive)
4867 (call-interactively function))
4873 (cdr (assq n gnus-article-mime-handle-alist))))
4876 (cdr (assq n gnus-article-mime-handle-alist)))))
4877 (set-marker overlay-arrow-position nil)
4878 (unless gnus-auto-select-part
4879 (gnus-select-frame-set-input-focus frame)
4880 (select-window window))))
4882 (if gnus-inhibit-mime-unbuttonizing
4883 ;; This is the default though the program shouldn't reach here.
4884 (error "No such part")
4885 ;; The part which doesn't have the MIME button is selected.
4886 ;; So, we display all the buttons and redo it.
4887 (let ((gnus-inhibit-mime-unbuttonizing t))
4888 (gnus-summary-show-article)
4889 (gnus-article-part-wrapper n function no-handle))))))
4891 (defun gnus-article-pipe-part (n)
4892 "Pipe MIME part N, which is the numerical prefix."
4894 (gnus-article-part-wrapper n 'mm-pipe-part))
4896 (defun gnus-article-save-part (n)
4897 "Save MIME part N, which is the numerical prefix."
4899 (gnus-article-part-wrapper n 'mm-save-part))
4901 (defun gnus-article-interactively-view-part (n)
4902 "View MIME part N interactively, which is the numerical prefix."
4904 (gnus-article-part-wrapper n 'mm-interactively-view-part))
4906 (defun gnus-article-copy-part (n)
4907 "Copy MIME part N, which is the numerical prefix."
4909 (gnus-article-part-wrapper n 'gnus-mime-copy-part))
4911 (defun gnus-article-view-part-as-charset (n)
4912 "View MIME part N using a specified charset.
4913 N is the numerical prefix."
4915 (gnus-article-part-wrapper n 'gnus-mime-view-part-as-charset))
4917 (defun gnus-article-view-part-externally (n)
4918 "View MIME part N externally, which is the numerical prefix."
4920 (gnus-article-part-wrapper n 'gnus-mime-view-part-externally))
4922 (defun gnus-article-inline-part (n)
4923 "Inline MIME part N, which is the numerical prefix."
4925 (gnus-article-part-wrapper n 'gnus-mime-inline-part))
4927 (defun gnus-article-save-part-and-strip (n)
4928 "Save MIME part N and replace it with an external body.
4929 N is the numerical prefix."
4931 (gnus-article-part-wrapper n 'gnus-mime-save-part-and-strip t))
4933 (defun gnus-article-replace-part (n)
4934 "Replace MIME part N with an external body.
4935 N is the numerical prefix."
4937 (gnus-article-part-wrapper n 'gnus-mime-replace-part t t))
4939 (defun gnus-article-delete-part (n)
4940 "Delete MIME part N and add some information about the removed part.
4941 N is the numerical prefix."
4943 (gnus-article-part-wrapper n 'gnus-mime-delete-part t))
4945 (defun gnus-article-view-part-as-type (n)
4946 "Choose a MIME media type, and view part N as such.
4947 N is the numerical prefix."
4949 (gnus-article-part-wrapper n 'gnus-mime-view-part-as-type t))
4951 (defun gnus-article-mime-match-handle-first (condition)
4954 (dolist (ihandle gnus-article-mime-handle-alist)
4956 ((functionp condition)
4957 (funcall condition (cdr ihandle)))
4958 ((eq condition 'undisplayed)
4959 (not (or (mm-handle-undisplayer (cdr ihandle))
4960 (equal (mm-handle-media-type (cdr ihandle))
4961 "multipart/alternative"))))
4962 ((eq condition 'undisplayed-alternative)
4963 (not (mm-handle-undisplayer (cdr ihandle))))
4965 (gnus-article-goto-part (car ihandle))
4966 (or (not n) (< (car ihandle) n)))
4967 (setq n (car ihandle))))
4971 (defun gnus-article-view-part (&optional n)
4972 "View MIME part N, which is the numerical prefix."
4974 (with-current-buffer gnus-article-buffer
4975 (or (numberp n) (setq n (gnus-article-mime-match-handle-first
4976 gnus-article-mime-match-handle-function)))
4977 (when (> n (length gnus-article-mime-handle-alist))
4978 (error "No such part"))
4979 (let ((handle (cdr (assq n gnus-article-mime-handle-alist))))
4980 (when (gnus-article-goto-part n)
4981 (if (equal (car handle) "multipart/alternative")
4982 (gnus-article-press-button)
4983 (when (eq (gnus-mm-display-part handle) 'internal)
4984 (gnus-set-window-start)))))))
4986 (defsubst gnus-article-mime-total-parts ()
4987 (if (bufferp (car gnus-article-mime-handles))
4989 (1- (length gnus-article-mime-handles))))
4991 (defun gnus-mm-display-part (handle)
4992 "Display HANDLE and fix MIME button."
4993 (let ((id (get-text-property (point) 'gnus-part))
4995 (inhibit-read-only t))
4998 (let ((window (selected-window))
4999 (mail-parse-charset gnus-newsgroup-charset)
5000 (mail-parse-ignored-charsets
5001 (if (gnus-buffer-live-p gnus-summary-buffer)
5002 (with-current-buffer gnus-summary-buffer
5003 gnus-newsgroup-ignored-charsets)
5007 (let ((win (gnus-get-buffer-window (current-buffer) t))
5010 (select-window win))
5013 (if (mm-handle-displayed-p handle)
5014 ;; This will remove the part.
5015 (mm-display-part handle)
5017 (narrow-to-region (point)
5018 (if (eobp) (point) (1+ (point))))
5019 (mm-display-part handle)
5020 ;; We narrow to the part itself and
5021 ;; then call the treatment functions.
5022 (goto-char (point-min))
5024 (narrow-to-region (point) (point-max))
5027 (gnus-article-mime-total-parts)
5028 (mm-handle-media-type handle)))))
5029 (if (window-live-p window)
5030 (select-window window)))))
5033 (gnus-insert-mime-button
5034 handle id (list (mm-handle-displayed-p handle)))
5035 (goto-char point))))
5037 (defun gnus-article-goto-part (n)
5038 "Go to MIME part N."
5039 (gnus-goto-char (text-property-any (point-min) (point-max) 'gnus-part n)))
5041 (defun gnus-insert-mime-button (handle gnus-tmp-id &optional displayed)
5042 (let ((gnus-tmp-name
5043 (or (mail-content-type-get (mm-handle-type handle) 'name)
5044 (mail-content-type-get (mm-handle-disposition handle) 'filename)
5045 (mail-content-type-get (mm-handle-type handle) 'url)
5047 (gnus-tmp-type (mm-handle-media-type handle))
5048 (gnus-tmp-description
5049 (mail-decode-encoded-word-string (or (mm-handle-description handle)
5052 (if (if displayed (car displayed)
5053 (mm-handle-displayed-p handle))
5055 (gnus-tmp-length (with-current-buffer (mm-handle-buffer handle)
5057 gnus-tmp-type-long b e)
5058 (when (string-match ".*/" gnus-tmp-name)
5059 (setq gnus-tmp-name (replace-match "" t t gnus-tmp-name)))
5060 (setq gnus-tmp-type-long (concat gnus-tmp-type
5061 (and (not (equal gnus-tmp-name ""))
5062 (concat "; " gnus-tmp-name))))
5063 (unless (equal gnus-tmp-description "")
5064 (setq gnus-tmp-type-long (concat " --- " gnus-tmp-type-long)))
5069 gnus-mime-button-line-format gnus-mime-button-line-format-alist
5070 `(keymap ,gnus-mime-button-map
5071 gnus-callback gnus-mm-display-part
5072 gnus-part ,gnus-tmp-id
5073 article-type annotation
5076 ;; Exclude a newline.
5079 (widget-convert-button
5082 :action 'gnus-widget-press-button
5083 :button-keymap gnus-mime-button-map
5085 (lambda (widget/window &optional overlay pos)
5086 ;; Needed to properly clear the message due to a bug in
5087 ;; wid-edit (XEmacs only).
5088 (if (boundp 'help-echo-owns-message)
5089 (setq help-echo-owns-message t))
5091 "%S: %s the MIME part; %S: more options"
5092 (aref gnus-mouse-2 0)
5093 ;; XEmacs will get a single widget arg; Emacs 21 will get
5094 ;; window, overlay, position.
5095 (if (mm-handle-displayed-p
5097 (with-current-buffer (gnus-overlay-buffer overlay)
5098 (widget-get (widget-at (gnus-overlay-start overlay))
5100 (widget-get widget/window :mime-handle)))
5102 (aref gnus-down-mouse-3 0))))))
5104 (defun gnus-widget-press-button (elems el)
5105 (goto-char (widget-get elems :from))
5106 (gnus-article-press-button))
5108 (defvar gnus-displaying-mime nil)
5110 (defun gnus-display-mime (&optional ihandles)
5111 "Display the MIME parts."
5113 (save-selected-window
5114 (let ((window (get-buffer-window gnus-article-buffer))
5117 (select-window window)
5118 ;; We have to do this since selecting the window
5119 ;; may change the point. So we set the window point.
5120 (set-window-point window point)))
5121 (let ((handles ihandles)
5122 (inhibit-read-only t)