1 ;;; gnus-art.el --- article mode commands for Gnus
3 ;; Copyright (C) 1996-2012 Free Software Foundation, Inc.
5 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
8 ;; This file is part of GNU Emacs.
10 ;; GNU Emacs is free software: you can redistribute it and/or modify
11 ;; it under the terms of the GNU General Public License as published by
12 ;; the Free Software Foundation, either version 3 of the License, or
13 ;; (at your option) any later version.
15 ;; GNU Emacs is distributed in the hope that it will be useful,
16 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 ;; GNU General Public License for more details.
20 ;; You should have received a copy of the GNU General Public License
21 ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
27 ;; For Emacs <22.2 and XEmacs.
29 (unless (fboundp 'declare-function) (defmacro declare-function (&rest r))))
33 (defvar w3m-minor-mode-map)
49 (autoload 'gnus-msg-mail "gnus-msg" nil t)
50 (autoload 'gnus-button-mailto "gnus-msg")
51 (autoload 'gnus-button-reply "gnus-msg" nil t)
52 (autoload 'parse-time-string "parse-time" nil nil)
53 (autoload 'ansi-color-apply-on-region "ansi-color")
54 (autoload 'mm-url-insert-file-contents-external "mm-url")
55 (autoload 'mm-extern-cache-contents "mm-extern")
57 (defgroup gnus-article nil
59 :link '(custom-manual "(gnus)Article Buffer")
62 (defgroup gnus-article-treat nil
63 "Treating article parts."
64 :link '(custom-manual "(gnus)Article Hiding")
67 (defgroup gnus-article-hiding nil
68 "Hiding article parts."
69 :link '(custom-manual "(gnus)Article Hiding")
72 (defgroup gnus-article-highlight nil
73 "Article highlighting."
74 :link '(custom-manual "(gnus)Article Highlighting")
78 (defgroup gnus-article-signature nil
80 :link '(custom-manual "(gnus)Article Signature")
83 (defgroup gnus-article-headers nil
85 :link '(custom-manual "(gnus)Hiding Headers")
88 (defgroup gnus-article-washing nil
89 "Special commands on articles."
90 :link '(custom-manual "(gnus)Article Washing")
93 (defgroup gnus-article-emphasis nil
94 "Fontisizing articles."
95 :link '(custom-manual "(gnus)Article Fontisizing")
98 (defgroup gnus-article-saving nil
100 :link '(custom-manual "(gnus)Saving Articles")
101 :group 'gnus-article)
103 (defgroup gnus-article-mime nil
104 "Worshiping the MIME wonder."
105 :link '(custom-manual "(gnus)Using MIME")
106 :group 'gnus-article)
108 (defgroup gnus-article-buttons nil
109 "Pushable buttons in the article buffer."
110 :link '(custom-manual "(gnus)Article Buttons")
111 :group 'gnus-article)
113 (defgroup gnus-article-various nil
114 "Other article options."
115 :link '(custom-manual "(gnus)Misc Article")
116 :group 'gnus-article)
118 (defcustom gnus-ignored-headers
121 (concat "^" header ":"))
122 '("Path" "Expires" "Date-Received" "References" "Xref" "Lines"
123 "Relay-Version" "Message-ID" "Approved" "Sender" "Received"
124 "X-UIDL" "MIME-Version" "Return-Path" "In-Reply-To"
125 "Content-Type" "Content-Transfer-Encoding" "X-WebTV-Signature"
126 "X-MimeOLE" "X-MSMail-Priority" "X-Priority" "X-Loop"
127 "X-Authentication-Warning" "X-MIME-Autoconverted" "X-Face"
128 "X-Attribution" "X-Originating-IP" "Delivered-To"
129 "NNTP-[-A-Za-z]+" "Distribution" "X-no-archive" "X-Trace"
130 "X-Complaints-To" "X-NNTP-Posting-Host" "X-Orig.*"
131 "Abuse-Reports-To" "Cache-Post-Path" "X-Article-Creation-Date"
132 "X-Poster" "X-Mail2News-Path" "X-Server-Date" "X-Cache"
133 "Originator" "X-Problems-To" "X-Auth-User" "X-Post-Time"
134 "X-Admin" "X-UID" "Resent-[-A-Za-z]+" "X-Mailing-List"
135 "Precedence" "Original-[-A-Za-z]+" "X-filename" "X-Orcpt"
136 "Old-Received" "X-Pgp" "X-Auth" "X-From-Line"
137 "X-Gnus-Article-Number" "X-Majordomo" "X-Url" "X-Sender"
138 "MBOX-Line" "Priority" "X400-[-A-Za-z]+"
139 "Status" "X-Gnus-Mail-Source" "Cancel-Lock"
140 "X-FTN" "X-EXP32-SerialNo" "Encoding" "Importance"
141 "Autoforwarded" "Original-Encoded-Information-Types" "X-Ya-Pop3"
142 "X-Face-Version" "X-Vms-To" "X-ML-NAME" "X-ML-COUNT"
143 "Mailing-List" "X-finfo" "X-md5sum" "X-md5sum-Origin"
144 "X-Sun-Charset" "X-Accept-Language" "X-Envelope-Sender"
145 "List-[A-Za-z]+" "X-Listprocessor-Version"
146 "X-Received" "X-Distribute" "X-Sequence" "X-Juno-Line-Breaks"
147 "X-Notes-Item" "X-MS-TNEF-Correlator" "x-uunet-gateway"
148 "X-Received" "Content-length" "X-precedence"
149 "X-Authenticated-User" "X-Comment" "X-Report" "X-Abuse-Info"
150 "X-HTTP-Proxy" "X-Mydeja-Info" "X-Copyright" "X-No-Markup"
151 "X-Abuse-Info" "X-From_" "X-Accept-Language" "Errors-To"
152 "X-BeenThere" "X-Mailman-Version" "List-Help" "List-Post"
153 "List-Subscribe" "List-Id" "List-Unsubscribe" "List-Archive"
154 "X-Content-length" "X-Posting-Agent" "Original-Received"
155 "X-Request-PGP" "X-Fingerprint" "X-WRIEnvto" "X-WRIEnvfrom"
156 "X-Virus-Scanned" "X-Delivery-Agent" "Posted-Date" "X-Gateway"
157 "X-Local-Origin" "X-Local-Destination" "X-UserInfo1"
158 "X-Received-Date" "X-Hashcash" "Face" "X-DMCA-Notifications"
159 "X-Abuse-and-DMCA-Info" "X-Postfilter" "X-Gpg-.*" "X-Disclaimer"
160 "Envelope-To" "X-Spam-Score" "System-Type" "X-Injected-Via-Gmane"
161 "X-Gmane-NNTP-Posting-Host" "Jabber-ID" "Archived-At"
162 "Envelope-Sender" "Envelope-Recipients"))
163 "*All headers that start with this regexp will be hidden.
164 This variable can also be a list of regexps of headers to be ignored.
165 If `gnus-visible-headers' is non-nil, this variable will be ignored."
166 :type '(choice regexp
168 :group 'gnus-article-hiding)
170 (defcustom gnus-visible-headers
171 "^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:"
172 "*All headers that do not match this regexp will be hidden.
173 This variable can also be a list of regexp of headers to remain visible.
174 If this variable is non-nil, `gnus-ignored-headers' will be ignored."
176 (repeat :value-to-internal (lambda (widget value)
177 (custom-split-regexp-maybe value))
178 :match (lambda (widget value)
180 (widget-editable-list-match widget value)))
182 (const :tag "Use gnus-ignored-headers" nil)
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)
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
272 '/* Format_version=1, Width=48, Height=48, Depth=1, Valid_bits_per_item=16 */'\
273 ; uncompface; } | icontopbm | ee -")
274 (if (gnus-image-type-available-p 'pbm)
275 'gnus-display-x-face-in-from
277 '/* Format_version=1, Width=48, Height=48, Depth=1, Valid_bits_per_item=16 */'\
278 ; uncompface; } | icontopbm | display -"))
279 "*String or function to be executed to display an X-Face header.
280 If it is a string, the command will be executed in a sub-shell
281 asynchronously. The compressed face will be piped to this command."
282 :type `(choice string
283 (function-item gnus-display-x-face-in-from)
287 :group 'gnus-article-washing)
289 (defcustom gnus-article-x-face-too-ugly nil
290 "Regexp matching posters whose face shouldn't be shown automatically."
291 :type '(choice regexp (const nil))
292 :group 'gnus-article-washing)
294 (defcustom gnus-article-banner-alist nil
295 "Banner alist for stripping.
297 ((egroups . \"^[ \\t\\n]*-------------------+\\\\( \\\\(e\\\\|Yahoo! \\\\)Groups Sponsor -+\\\\)?....\\n\\\\(.+\\n\\\\)+\"))"
299 :type '(repeat (cons symbol regexp))
300 :group 'gnus-article-washing)
302 (gnus-define-group-parameter
305 "Alist of regexps (to match group names) and banner."
306 :variable-group gnus-article-washing
308 '(choice :tag "Banner"
310 (const :tag "Remove signature" signature)
311 (symbol :tag "Item in `gnus-article-banner-alist'" none)
313 (const :tag "None" nil))
315 "If non-nil, specify how to remove `banners' from articles.
317 Symbol `signature' means to remove signatures delimited by
318 `gnus-signature-separator'. Any other symbol is used to look up a
319 regular expression to match the banner in `gnus-article-banner-alist'.
320 A string is used as a regular expression to match the banner
323 (defcustom gnus-article-address-banner-alist nil
324 "Alist of mail addresses and banners.
325 Each element has the form (ADDRESS . BANNER), where ADDRESS is a regexp
326 to match a mail address in the From: header, BANNER is one of a symbol
327 `signature', an item in `gnus-article-banner-alist', a regexp and nil.
328 If ADDRESS matches author's mail address, it will remove things like
329 advertisements. For example:
331 \((\"@yoo-hoo\\\\.co\\\\.jp\\\\'\" . \"\\n_+\\nDo You Yoo-hoo!\\\\?\\n.*\\n.*\\n\"))
335 (regexp :tag "Address")
336 (choice :tag "Banner" :value nil
337 (const :tag "Remove signature" signature)
338 (symbol :tag "Item in `gnus-article-banner-alist'" none)
340 (const :tag "None" nil))))
342 :group 'gnus-article-washing)
344 (defmacro gnus-emphasis-custom-with-format (&rest body)
346 \\(\\s-\\|^\\|\\=\\|[-\"]\\|\\s(\\)\\(%s\\(\\w+\\(\\s-+\\w+\\)*[.,]?\\)%s\\)\
347 \\(\\([-,.;:!?\"]\\|\\s)\\)+\\s-\\|[?!.]\\s-\\|\\s)\\|\\s-\\)"))
350 (defun gnus-emphasis-custom-value-to-external (value)
351 (gnus-emphasis-custom-with-format
352 (if (consp (car value))
353 (list (format format (car (car value)) (cdr (car value)))
355 (if (nth 1 value) 2 3)
359 (defun gnus-emphasis-custom-value-to-internal (value)
360 (gnus-emphasis-custom-with-format
361 (let ((regexp (concat "\\`"
362 (format (regexp-quote format)
363 "\\([^()]+\\)" "\\([^()]+\\)")
366 (if (string-match regexp (setq pattern (car value)))
367 (list (cons (match-string 1 pattern) (match-string 2 pattern))
372 (defcustom gnus-emphasis-alist
374 '(("\\*" "\\*" bold nil 2)
377 ("_/" "/_" underline-italic)
378 ("_\\*" "\\*_" underline-bold)
379 ("\\*/" "/\\*" bold-italic)
380 ("_\\*/" "/\\*_" underline-bold-italic))))
382 (gnus-emphasis-custom-with-format
383 (mapcar (lambda (spec)
384 (list (format format (car spec) (cadr spec))
387 (intern (format "gnus-emphasis-%s" (nth 2 spec)))))
389 '(;; I've never seen anyone use this strikethru convention whereas I've
390 ;; several times seen it triggered by normal text. --Stef
391 ;; Miles suggests that this form is sometimes used but for italics,
392 ;; so maybe we should map it to `italic'.
393 ;; ("\\(\\s-\\|^\\)\\(-\\(\\(\\w\\|-[^-]\\)+\\)-\\)\\(\\s-\\|[?!.,;]\\)"
394 ;; 2 3 gnus-emphasis-strikethru)
395 ("\\(\\s-\\|^\\)\\(_\\(\\(\\w\\|_[^_]\\)+\\)_\\)\\(\\s-\\|[?!.,;]\\)"
396 2 3 gnus-emphasis-underline))))
397 "*Alist that says how to fontify certain phrases.
398 Each item looks like this:
400 (\"_\\\\(\\\\w+\\\\)_\" 0 1 'underline)
402 The first element is a regular expression to be matched. The second
403 is a number that says what regular expression grouping used to find
404 the entire emphasized word. The third is a number that says what
405 regexp grouping should be displayed and highlighted. The fourth
406 is the face used for highlighting."
410 :format "%[Customizing Style%]\n%v"
412 (group :tag "Default"
413 :value ("" 0 0 default)
416 (let ((value (widget-get
417 (cadr (widget-get (widget-get widget :parent)
420 (if (not (eq (nth 2 value) 'default))
424 (gnus-emphasis-custom-value-to-external value))))
425 (widget-group-value-create widget))
427 (integer :format "Match group: %v")
428 (integer :format "Emphasize group: %v")
431 :value (("_" . "_") nil default)
433 (regexp :format "Start regexp: %v")
434 (regexp :format "End regexp: %v"))
435 (boolean :format "Show start and end patterns: %[%v%]\n"
436 :on " On " :off " Off ")
438 :get (lambda (symbol)
439 (mapcar 'gnus-emphasis-custom-value-to-internal
440 (default-value symbol)))
441 :set (lambda (symbol value)
442 (set-default symbol (mapcar 'gnus-emphasis-custom-value-to-external
444 :group 'gnus-article-emphasis)
446 (defcustom gnus-emphasize-whitespace-regexp "^[ \t]+\\|[ \t]*\n"
447 "A regexp to describe whitespace which should not be emphasized.
448 Typical values are \"^[ \\t]+\\\\|[ \\t]*\\n\" and \"[ \\t]+\\\\|[ \\t]*\\n\".
449 The former avoids underlining of leading and trailing whitespace,
450 and the latter avoids underlining any whitespace at all."
452 :group 'gnus-article-emphasis
455 (defface gnus-emphasis-bold '((t (:bold t)))
456 "Face used for displaying strong emphasized text (*word*)."
457 :group 'gnus-article-emphasis)
459 (defface gnus-emphasis-italic '((t (:italic t)))
460 "Face used for displaying italic emphasized text (/word/)."
461 :group 'gnus-article-emphasis)
463 (defface gnus-emphasis-underline '((t (:underline t)))
464 "Face used for displaying underlined emphasized text (_word_)."
465 :group 'gnus-article-emphasis)
467 (defface gnus-emphasis-underline-bold '((t (:bold t :underline t)))
468 "Face used for displaying underlined bold emphasized text (_*word*_)."
469 :group 'gnus-article-emphasis)
471 (defface gnus-emphasis-underline-italic '((t (:italic t :underline t)))
472 "Face used for displaying underlined italic emphasized text (_/word/_)."
473 :group 'gnus-article-emphasis)
475 (defface gnus-emphasis-bold-italic '((t (:bold t :italic t)))
476 "Face used for displaying bold italic emphasized text (/*word*/)."
477 :group 'gnus-article-emphasis)
479 (defface gnus-emphasis-underline-bold-italic
480 '((t (:bold t :italic t :underline t)))
481 "Face used for displaying underlined bold italic emphasized text.
482 Example: (_/*word*/_)."
483 :group 'gnus-article-emphasis)
485 (defface gnus-emphasis-strikethru (if (featurep 'xemacs)
486 '((t (:strikethru t)))
487 '((t (:strike-through t))))
488 "Face used for displaying strike-through text (-word-)."
489 :group 'gnus-article-emphasis)
491 (defface gnus-emphasis-highlight-words
492 '((t (:background "black" :foreground "yellow")))
493 "Face used for displaying highlighted words."
494 :group 'gnus-article-emphasis)
496 (defcustom gnus-article-time-format "%a, %d %b %Y %T %Z"
497 "Format for display of Date headers in article bodies.
498 See `format-time-string' for the possible values.
500 The variable can also be function, which should return a complete Date
501 header. The function is called with one argument, the time, which can
502 be fed to `format-time-string'."
503 :type '(choice string function)
504 :link '(custom-manual "(gnus)Article Date")
505 :group 'gnus-article-washing)
507 (defcustom gnus-save-all-headers t
508 "*If non-nil, don't remove any headers before saving.
509 This will be overridden by the `:headers' property that the symbol of
510 the saver function, which is specified by `gnus-default-article-saver',
512 :group 'gnus-article-saving
515 (defcustom gnus-prompt-before-saving 'always
516 "*This variable says how much prompting is to be done when saving articles.
517 If it is nil, no prompting will be done, and the articles will be
518 saved to the default files. If this variable is `always', each and
519 every article that is saved will be preceded by a prompt, even when
520 saving large batches of articles. If this variable is neither nil not
521 `always', there the user will be prompted once for a file name for
522 each invocation of the saving commands."
523 :group 'gnus-article-saving
524 :type '(choice (item always)
525 (item :tag "never" nil)
526 (sexp :tag "once" :format "%t\n" :value t)))
528 (defcustom gnus-saved-headers gnus-visible-headers
529 "Headers to keep if `gnus-save-all-headers' is nil.
530 If `gnus-save-all-headers' is non-nil, this variable will be ignored.
531 If that variable is nil, however, all headers that match this regexp
532 will be kept while the rest will be deleted before saving. This and
533 `gnus-save-all-headers' will be overridden by the `:headers' property
534 that the symbol of the saver function, which is specified by
535 `gnus-default-article-saver', might have."
536 :group 'gnus-article-saving
539 ;; Note that "Rmail format" is mbox since Emacs 23, but Babyl before.
540 (defcustom gnus-default-article-saver 'gnus-summary-save-in-rmail
541 "A function to save articles in your favorite format.
542 The function will be called by way of the `gnus-summary-save-article'
543 command, and friends such as `gnus-summary-save-article-rmail'.
545 Gnus provides the following functions:
547 * gnus-summary-save-in-rmail (Rmail format)
548 * gnus-summary-save-in-mail (Unix mail format)
549 * gnus-summary-save-in-folder (MH folder)
550 * gnus-summary-save-in-file (article format)
551 * gnus-summary-save-body-in-file (article body)
552 * gnus-summary-save-in-vm (use VM's folder format)
553 * gnus-summary-write-to-file (article format -- overwrite)
554 * gnus-summary-write-body-to-file (article body -- overwrite)
555 * gnus-summary-save-in-pipe (article format)
557 The symbol of each function may have the following properties:
560 The value non-nil means save decoded articles. This is meaningful
561 only with `gnus-summary-save-in-file', `gnus-summary-save-body-in-file',
562 `gnus-summary-write-to-file', `gnus-summary-write-body-to-file', and
563 `gnus-summary-save-in-pipe'.
566 The value specifies an alternative function which appends, not
567 overwrites, articles to a file. This implies that when saving many
568 articles at a time, `gnus-prompt-before-saving' is bound to t and all
569 articles are saved in a single file. This is meaningful only with
570 `gnus-summary-write-to-file' and `gnus-summary-write-body-to-file'.
573 The value specifies the symbol of a variable of which the value
574 specifies headers to be saved. If it is omitted,
575 `gnus-save-all-headers' and `gnus-saved-headers' control what
576 headers should be saved."
577 :group 'gnus-article-saving
578 :type '(radio (function-item gnus-summary-save-in-rmail)
579 (function-item gnus-summary-save-in-mail)
580 (function-item gnus-summary-save-in-folder)
581 (function-item gnus-summary-save-in-file)
582 (function-item gnus-summary-save-body-in-file)
583 (function-item gnus-summary-save-in-vm)
584 (function-item gnus-summary-write-to-file)
585 (function-item gnus-summary-write-body-to-file)
586 (function-item gnus-summary-save-in-pipe)
589 (defcustom gnus-article-save-coding-system
590 (or (and (mm-coding-system-p 'utf-8) 'utf-8)
591 (and (mm-coding-system-p 'iso-2022-7bit) 'iso-2022-7bit)
592 (and (mm-coding-system-p 'emacs-mule) 'emacs-mule)
593 (and (mm-coding-system-p 'escape-quoted) 'escape-quoted))
594 "Coding system used to save decoded articles to a file.
596 The recommended coding systems are `utf-8', `iso-2022-7bit' and so on,
597 which can safely encode any characters in text. This is used by the
600 * gnus-summary-save-article-file
601 * gnus-summary-save-article-body-file
602 * gnus-summary-write-article-file
603 * gnus-summary-write-article-body-file
605 and the functions to which you may set `gnus-default-article-saver':
607 * gnus-summary-save-in-file
608 * gnus-summary-save-body-in-file
609 * gnus-summary-write-to-file
610 * gnus-summary-write-body-to-file
612 Those commands and functions save just text displayed in the article
613 buffer to a file if the value of this variable is non-nil. Note that
614 buttonized MIME parts will be lost in a saved file in that case.
615 Otherwise, raw articles will be saved."
616 :group 'gnus-article-saving
618 :format "%{%t%}:\n %[Value Menu%] %v"
619 (const :tag "Save raw articles" nil)
622 (lambda (arg) (if (mm-coding-system-p (nth 3 arg)) arg))
623 '((const :tag "UTF-8" utf-8)
624 (const :tag "iso-2022-7bit" iso-2022-7bit)
625 (const :tag "Emacs internal" emacs-mule)
626 (const :tag "escape-quoted" escape-quoted))))
627 (symbol :tag "Coding system")))
629 (defcustom gnus-rmail-save-name 'gnus-plain-save-name
630 "A function generating a file name to save articles in Rmail format.
631 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
632 :group 'gnus-article-saving
635 (defcustom gnus-mail-save-name 'gnus-plain-save-name
636 "A function generating a file name to save articles in Unix mail format.
637 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
638 :group 'gnus-article-saving
641 (defcustom gnus-folder-save-name 'gnus-folder-save-name
642 "A function generating a file name to save articles in MH folder.
643 The function is called with NEWSGROUP, HEADERS, and optional LAST-FOLDER."
644 :group 'gnus-article-saving
647 (defcustom gnus-file-save-name 'gnus-numeric-save-name
648 "A function generating a file name to save articles in article format.
649 The function is called with NEWSGROUP, HEADERS, and optional
651 :group 'gnus-article-saving
654 (defcustom gnus-split-methods
655 '((gnus-article-archive-name)
656 (gnus-article-nndoc-name))
657 "*Variable used to suggest where articles are to be saved.
658 For instance, if you would like to save articles related to Gnus in
659 the file \"gnus-stuff\", and articles related to VM in \"vm-stuff\",
660 you could set this variable to something like:
662 '((\"^Subject:.*gnus\\|^Newsgroups:.*gnus\" \"gnus-stuff\")
663 (\"^Subject:.*vm\\|^Xref:.*vm\" \"vm-stuff\"))
665 This variable is an alist where the key is the match and the
666 value is a list of possible files to save in if the match is
669 If the match is a string, it is used as a regexp match on the
670 article. If the match is a symbol, that symbol will be funcalled
671 from the buffer of the article to be saved with the newsgroup as the
672 parameter. If it is a list, it will be evalled in the same buffer.
674 If this form or function returns a string, this string will be used as a
675 possible file name; and if it returns a non-nil list, that list will be
676 used as possible file names."
677 :group 'gnus-article-saving
678 :type '(repeat (choice (list :value (fun) function)
679 (cons :value ("" "") regexp (repeat string))
682 (defcustom gnus-page-delimiter "^\^L"
683 "*Regexp describing what to use as article page delimiters.
684 The default value is \"^\^L\", which is a form linefeed at the
685 beginning of a line."
687 :group 'gnus-article-various)
689 (defcustom gnus-article-mode-line-format "Gnus: %g %S%m"
690 "*The format specification for the article mode line.
691 See `gnus-summary-mode-line-format' for a closer description.
693 The following additional specs are available:
695 %w The article washing status.
696 %m The number of MIME parts in the article."
699 :group 'gnus-article-various)
701 (defcustom gnus-article-mode-hook nil
702 "*A hook for Gnus article mode."
704 :group 'gnus-article-various)
706 (when (featurep 'xemacs)
707 ;; Extracted from gnus-xmas-define in order to preserve user settings
708 (when (fboundp 'turn-off-scroll-in-place)
709 (add-hook 'gnus-article-mode-hook 'turn-off-scroll-in-place))
710 ;; Extracted from gnus-xmas-redefine in order to preserve user settings
711 (add-hook 'gnus-article-mode-hook 'gnus-xmas-article-menu-add))
713 (defcustom gnus-article-menu-hook nil
714 "*Hook run after the creation of the article mode menu."
716 :group 'gnus-article-various)
718 (defcustom gnus-article-prepare-hook nil
719 "*A hook called after an article has been prepared in the article buffer."
721 :group 'gnus-article-various)
723 (defcustom gnus-copy-article-ignored-headers nil
724 "List of headers to be removed when copying an article.
725 Each element is a regular expression."
726 :version "23.1" ;; No Gnus
727 :type '(repeat regexp)
728 :group 'gnus-article-various)
730 (make-obsolete-variable 'gnus-article-hide-pgp-hook nil
731 "Gnus 5.10 (Emacs 22.1)")
734 '((t (:weight bold)))
735 "Face used for highlighting a button in the article buffer."
736 :group 'gnus-article-buttons)
738 (defcustom gnus-article-button-face 'gnus-button
739 "Face used for highlighting buttons in the article buffer.
741 An article button is a piece of text that you can activate by pressing
742 `RET' or `mouse-2' above it."
744 :group 'gnus-article-buttons)
746 (defcustom gnus-article-mouse-face 'highlight
747 "Face used for mouse highlighting in the article buffer.
749 Article buttons will be displayed in this face when the cursor is
752 :group 'gnus-article-buttons)
754 (defcustom gnus-signature-face 'gnus-signature
755 "Face used for highlighting a signature in the article buffer.
756 Obsolete; use the face `gnus-signature' for customizations instead."
758 :group 'gnus-article-highlight
759 :group 'gnus-article-signature)
761 (defface gnus-signature
764 "Face used for highlighting a signature in the article buffer."
765 :group 'gnus-article-highlight
766 :group 'gnus-article-signature)
767 ;; backward-compatibility alias
768 (put 'gnus-signature-face 'face-alias 'gnus-signature)
769 (put 'gnus-signature-face 'obsolete-face "22.1")
771 (defface gnus-header-from
774 (:foreground "PaleGreen1"))
777 (:foreground "red3"))
780 "Face used for displaying from headers."
781 :group 'gnus-article-headers
782 :group 'gnus-article-highlight)
783 ;; backward-compatibility alias
784 (put 'gnus-header-from-face 'face-alias 'gnus-header-from)
785 (put 'gnus-header-from-face 'obsolete-face "22.1")
787 (defface gnus-header-subject
790 (:foreground "SeaGreen1"))
793 (:foreground "red4"))
795 (:bold t :italic t)))
796 "Face used for displaying subject headers."
797 :group 'gnus-article-headers
798 :group 'gnus-article-highlight)
799 ;; backward-compatibility alias
800 (put 'gnus-header-subject-face 'face-alias 'gnus-header-subject)
801 (put 'gnus-header-subject-face 'obsolete-face "22.1")
803 (defface gnus-header-newsgroups
806 (:foreground "yellow" :italic t))
809 (:foreground "MidnightBlue" :italic t))
812 "Face used for displaying newsgroups headers.
813 In the default setup this face is only used for crossposted
815 :group 'gnus-article-headers
816 :group 'gnus-article-highlight)
817 ;; backward-compatibility alias
818 (put 'gnus-header-newsgroups-face 'face-alias 'gnus-header-newsgroups)
819 (put 'gnus-header-newsgroups-face 'obsolete-face "22.1")
821 (defface gnus-header-name
824 (:foreground "SpringGreen2"))
827 (:foreground "maroon"))
830 "Face used for displaying header names."
831 :group 'gnus-article-headers
832 :group 'gnus-article-highlight)
833 ;; backward-compatibility alias
834 (put 'gnus-header-name-face 'face-alias 'gnus-header-name)
835 (put 'gnus-header-name-face 'obsolete-face "22.1")
837 (defface gnus-header-content
840 (:foreground "SpringGreen1" :italic t))
843 (:foreground "indianred4" :italic t))
845 (:italic t))) "Face used for displaying header content."
846 :group 'gnus-article-headers
847 :group 'gnus-article-highlight)
848 ;; backward-compatibility alias
849 (put 'gnus-header-content-face 'face-alias 'gnus-header-content)
850 (put 'gnus-header-content-face 'obsolete-face "22.1")
852 (defcustom gnus-header-face-alist
853 '(("From" nil gnus-header-from)
854 ("Subject" nil gnus-header-subject)
855 ("Newsgroups:.*," nil gnus-header-newsgroups)
856 ("" gnus-header-name gnus-header-content))
857 "*Controls highlighting of article headers.
859 An alist of the form (HEADER NAME CONTENT).
861 HEADER is a regular expression which should match the name of a
862 header and NAME and CONTENT are either face names or nil.
864 The name of each header field will be displayed using the face
865 specified by the first element in the list where HEADER matches
866 the header name and NAME is non-nil. Similarly, the content will
867 be displayed by the first non-nil matching CONTENT face."
868 :group 'gnus-article-headers
869 :group 'gnus-article-highlight
870 :type '(repeat (list (regexp :tag "Header")
872 (item :tag "skip" nil)
873 (face :value default))
874 (choice :tag "Content"
875 (item :tag "skip" nil)
876 (face :value default)))))
878 (defcustom gnus-face-properties-alist (if (featurep 'xemacs)
879 '((xface . (:face gnus-x-face)))
880 '((pbm . (:face gnus-x-face))
882 "Alist of image types and properties applied to Face and X-Face images.
885 ;; Specify the altitude of Face images in the From header.
886 \(setq gnus-face-properties-alist
887 '((pbm . (:face gnus-x-face :ascent 80))
888 (png . (:ascent 80))))
890 ;; Show Face images as pressed buttons.
891 \(setq gnus-face-properties-alist
892 '((pbm . (:face gnus-x-face :relief -2))
893 (png . (:relief -2))))
895 See the manual for the valid properties for various image types.
896 Currently, `pbm' is used for X-Face images and `png' is used for Face
897 images in Emacs. Only the `:face' property is effective on the `xface'
898 image type in XEmacs if it is built with the libcompface library."
899 :version "23.1" ;; No Gnus
900 :group 'gnus-article-headers
901 :type '(repeat (cons :format "%v" (symbol :tag "Image type") plist)))
903 (defcustom gnus-article-decode-hook
904 '(article-decode-charset article-decode-encoded-words
905 article-decode-group-name article-decode-idna-rhs)
906 "*Hook run to decode charsets in articles."
907 :group 'gnus-article-headers
910 (defcustom gnus-display-mime-function 'gnus-display-mime
911 "Function to display MIME articles."
912 :group 'gnus-article-mime
915 (defvar gnus-decode-header-function 'mail-decode-encoded-word-region
916 "Function used to decode headers.")
918 (defvar gnus-decode-address-function 'mail-decode-encoded-address-region
919 "Function used to decode addresses.")
921 (defvar gnus-article-dumbquotes-map
941 "Table for MS-to-Latin1 translation.")
943 (defcustom gnus-ignored-mime-types nil
944 "List of MIME types that should be ignored by Gnus."
946 :group 'gnus-article-mime
947 :type '(repeat regexp))
949 (defcustom gnus-unbuttonized-mime-types '(".*/.*")
950 "List of MIME types that should not be given buttons when rendered inline.
951 See also `gnus-buttonized-mime-types' which may override this variable.
952 This variable is only used when `gnus-inhibit-mime-unbuttonizing' is nil."
954 :group 'gnus-article-mime
955 :type '(repeat regexp))
957 (defcustom gnus-buttonized-mime-types nil
958 "List of MIME types that should be given buttons when rendered inline.
959 If set, this variable overrides `gnus-unbuttonized-mime-types'.
960 To see e.g. security buttons you could set this to
961 `(\"multipart/signed\")'. You could also add \"multipart/alternative\" to
962 this list to display radio buttons that allow you to choose one of two
963 media types those mails include. See also `mm-discouraged-alternatives'.
964 This variable is only used when `gnus-inhibit-mime-unbuttonizing' is nil."
966 :group 'gnus-article-mime
967 :type '(repeat regexp))
969 (defcustom gnus-inhibit-mime-unbuttonizing nil
970 "If non-nil, all MIME parts get buttons.
971 When nil (the default value), then some MIME parts do not get buttons,
972 as described by the variables `gnus-buttonized-mime-types' and
973 `gnus-unbuttonized-mime-types'."
975 :group 'gnus-article-mime
978 (defcustom gnus-body-boundary-delimiter "_"
979 "String used to delimit header and body.
980 This variable is used by `gnus-article-treat-body-boundary' which can
981 be controlled by `gnus-treat-body-boundary'."
983 :group 'gnus-article-various
984 :type '(choice (item :tag "None" :value nil)
987 (defcustom gnus-picon-databases '("/usr/lib/picon" "/usr/local/faces"
989 "Defines the location of the faces database.
990 For information on obtaining this database of pretty pictures, please
991 see http://www.cs.indiana.edu/picons/ftp/index.html"
993 :type '(repeat directory)
994 :link '(url-link :tag "download"
995 "http://www.cs.indiana.edu/picons/ftp/index.html")
996 :link '(custom-manual "(gnus)Picons")
999 (defun gnus-picons-installed-p ()
1000 "Say whether picons are installed on your machine."
1001 (let ((installed nil))
1002 (dolist (database gnus-picon-databases)
1003 (when (file-exists-p database)
1004 (setq installed t)))
1007 (defcustom gnus-article-mime-part-function nil
1008 "Function called with a MIME handle as the argument.
1009 This is meant for people who want to do something automatic based
1010 on parts -- for instance, adding Vcard info to a database."
1011 :group 'gnus-article-mime
1012 :type '(choice (const nil)
1015 (defcustom gnus-mime-multipart-functions nil
1016 "An alist of MIME types to functions to display them."
1018 :group 'gnus-article-mime
1019 :type '(repeat (cons :format "%v" (string :tag "MIME type") function)))
1021 (defcustom gnus-article-date-headers '(combined-lapsed)
1022 "A list of Date header formats to display.
1023 Valid formats are `ut' (universal time), `local' (local time
1024 zone), `english' (readable English), `lapsed' (elapsed time),
1025 `combined-lapsed' (both the original date and the elapsed time),
1026 `original' (the original date header), `iso8601' (ISO8601
1027 format), and `user-defined' (a user-defined format defined by the
1028 `gnus-article-time-format' variable).
1030 You have as many date headers as you want in the article buffer.
1031 Some of these headers are updated automatically. See
1032 `gnus-article-update-date-headers' for details."
1034 :group 'gnus-article-headers
1036 (item :tag "Universal time (UT)" :value 'ut)
1037 (item :tag "Local time zone" :value 'local)
1038 (item :tag "Readable English" :value 'english)
1039 (item :tag "Elapsed time" :value 'lapsed)
1040 (item :tag "Original and elapsed time" :value 'combined-lapsed)
1041 (item :tag "Original date header" :value 'original)
1042 (item :tag "ISO8601 format" :value 'iso8601)
1043 (item :tag "User-defined" :value 'user-defined)))
1045 (defcustom gnus-article-update-date-headers nil
1046 "A number that says how often to update the date header (in seconds).
1047 If nil, don't update it at all."
1049 :group 'gnus-article-headers
1051 (item :tag "Don't update" :value nil)
1054 (defcustom gnus-article-mime-match-handle-function 'undisplayed-alternative
1055 "Function called with a MIME handle as the argument.
1056 This is meant for people who want to view first matched part.
1057 For `undisplayed-alternative' (default), the first undisplayed
1058 part or alternative part is used. For `undisplayed', the first
1059 undisplayed part is used. For a function, the first part which
1060 the function return t is used. For nil, the first part is
1063 :group 'gnus-article-mime
1065 (item :tag "first" :value nil)
1066 (item :tag "undisplayed" :value undisplayed)
1067 (item :tag "undisplayed or alternative"
1068 :value undisplayed-alternative)
1071 (defcustom gnus-mime-action-alist
1072 '(("save to file" . gnus-mime-save-part)
1073 ("save and strip" . gnus-mime-save-part-and-strip)
1074 ("replace with file" . gnus-mime-replace-part)
1075 ("delete part" . gnus-mime-delete-part)
1076 ("display as text" . gnus-mime-inline-part)
1077 ("view the part" . gnus-mime-view-part)
1078 ("pipe to command" . gnus-mime-pipe-part)
1079 ("toggle display" . gnus-article-press-button)
1080 ("toggle display" . gnus-article-view-part-as-charset)
1081 ("view as type" . gnus-mime-view-part-as-type)
1082 ("view internally" . gnus-mime-view-part-internally)
1083 ("view externally" . gnus-mime-view-part-externally))
1084 "An alist of actions that run on the MIME attachment."
1085 :group 'gnus-article-mime
1086 :type '(repeat (cons (string :tag "name")
1089 (defcustom gnus-auto-select-part 1
1090 "Advance to next MIME part when deleting or stripping parts.
1092 When 0, point will be placed on the same part as before. When
1093 positive (negative), move point forward (backwards) this many
1094 parts. When nil, redisplay article."
1095 :version "23.1" ;; No Gnus
1096 :group 'gnus-article-mime
1097 :type '(choice (const nil :tag "Redisplay article.")
1098 (const 1 :tag "Next part.")
1099 (const 0 :tag "Current part.")
1103 ;;; The treatment variables
1106 (defvar gnus-part-display-hook nil
1107 "Hook called on parts that are to receive treatment.")
1109 (defvar gnus-article-treat-custom
1110 '(choice (const :tag "Off" nil)
1112 (const :tag "Header" head)
1113 (const :tag "First" first)
1114 (const :tag "Last" last)
1115 (integer :tag "Less")
1116 (repeat :tag "Groups" regexp)
1117 (sexp :tag "Predicate")))
1119 (defvar gnus-article-treat-head-custom
1120 '(choice (const :tag "Off" nil)
1121 (const :tag "Header" head)))
1123 (defvar gnus-article-treat-types '("text/plain" "text/x-verbatim"
1127 (defvar gnus-inhibit-treatment nil
1128 "Whether to inhibit treatment.")
1130 (defcustom gnus-treat-highlight-signature '(or t (typep "text/x-vcard"))
1131 "Highlight the signature.
1132 Valid values are nil, t, `head', `first', `last', an integer or a
1133 predicate. See Info node `(gnus)Customizing Articles'."
1134 :group 'gnus-article-treat
1135 :link '(custom-manual "(gnus)Customizing Articles")
1136 :type gnus-article-treat-custom)
1137 (put 'gnus-treat-highlight-signature 'highlight t)
1139 (defcustom gnus-treat-buttonize 100000
1141 Valid values are nil, t, `head', `first', `last', an integer or a
1142 predicate. See Info node `(gnus)Customizing Articles'."
1143 :group 'gnus-article-treat
1144 :link '(custom-manual "(gnus)Customizing Articles")
1145 :type gnus-article-treat-custom)
1146 (put 'gnus-treat-buttonize 'highlight t)
1148 (defcustom gnus-treat-buttonize-head 'head
1149 "Add buttons to the head.
1150 Valid values are nil, t, `head', `first', `last', an integer or a
1151 predicate. See Info node `(gnus)Customizing Articles'."
1152 :group 'gnus-article-treat
1153 :link '(custom-manual "(gnus)Customizing Articles")
1154 :type gnus-article-treat-head-custom)
1155 (put 'gnus-treat-buttonize-head 'highlight t)
1157 (defcustom gnus-treat-date 'head
1158 "Display dates according to the `gnus-article-date-headers' variable.
1159 Valid values are nil, t, `head', `first', `last', an integer or a
1160 predicate. See Info node `(gnus)Customizing Articles'."
1162 :group 'gnus-article-treat
1163 :link '(custom-manual "(gnus)Customizing Articles")
1164 :type gnus-article-treat-head-custom)
1166 (defcustom gnus-treat-emphasize 50000
1168 Valid values are nil, t, `head', `first', `last', an integer or a
1169 predicate. See Info node `(gnus)Customizing Articles'."
1170 :group 'gnus-article-treat
1171 :link '(custom-manual "(gnus)Customizing Articles")
1172 :type gnus-article-treat-custom)
1173 (put 'gnus-treat-emphasize 'highlight t)
1175 (defcustom gnus-treat-strip-cr nil
1176 "Remove carriage returns.
1177 Valid values are nil, t, `head', `first', `last', an integer or a
1178 predicate. See Info node `(gnus)Customizing Articles'."
1180 :group 'gnus-article-treat
1181 :link '(custom-manual "(gnus)Customizing Articles")
1182 :type gnus-article-treat-custom)
1184 (defcustom gnus-treat-unsplit-urls nil
1185 "Remove newlines from within URLs.
1186 Valid values are nil, t, `head', `first', `last', an integer or a
1187 predicate. See Info node `(gnus)Customizing Articles'."
1189 :group 'gnus-article-treat
1190 :link '(custom-manual "(gnus)Customizing Articles")
1191 :type gnus-article-treat-custom)
1193 (defcustom gnus-treat-leading-whitespace nil
1194 "Remove leading whitespace in headers.
1195 Valid values are nil, t, `head', `first', `last', an integer or a
1196 predicate. See Info node `(gnus)Customizing Articles'."
1198 :group 'gnus-article-treat
1199 :link '(custom-manual "(gnus)Customizing Articles")
1200 :type gnus-article-treat-custom)
1202 (defcustom gnus-treat-hide-headers 'head
1204 Valid values are nil, t, `head', `first', `last', an integer or a
1205 predicate. See Info node `(gnus)Customizing Articles'."
1206 :group 'gnus-article-treat
1207 :link '(custom-manual "(gnus)Customizing Articles")
1208 :type gnus-article-treat-head-custom)
1210 (defcustom gnus-treat-hide-boring-headers nil
1211 "Hide boring headers.
1212 Valid values are nil, t, `head', `first', `last', an integer or a
1213 predicate. See Info node `(gnus)Customizing Articles'."
1214 :group 'gnus-article-treat
1215 :link '(custom-manual "(gnus)Customizing Articles")
1216 :type gnus-article-treat-head-custom)
1218 (defcustom gnus-treat-hide-signature nil
1219 "Hide the signature.
1220 Valid values are nil, t, `head', `first', `last', an integer or a
1221 predicate. See Info node `(gnus)Customizing Articles'."
1222 :group 'gnus-article-treat
1223 :link '(custom-manual "(gnus)Customizing Articles")
1224 :type gnus-article-treat-custom)
1226 (defcustom gnus-treat-fill-article nil
1228 Valid values are nil, t, `head', `first', `last', an integer or a
1229 predicate. See Info node `(gnus)Customizing Articles'."
1230 :group 'gnus-article-treat
1231 :link '(custom-manual "(gnus)Customizing Articles")
1232 :type gnus-article-treat-custom)
1234 (defcustom gnus-treat-hide-citation nil
1236 Valid values are nil, t, `head', `first', `last', an integer or a
1237 predicate. See Info node `(gnus)Customizing Articles'.
1239 See `gnus-article-highlight-citation' for variables used to
1240 control what it hides."
1241 :group 'gnus-article-treat
1242 :link '(custom-manual "(gnus)Customizing Articles")
1243 :type gnus-article-treat-custom)
1245 (defcustom gnus-treat-hide-citation-maybe nil
1246 "Hide cited text according to certain conditions.
1247 Valid values are nil, t, `head', `first', `last', an integer or a
1248 predicate. See Info node `(gnus)Customizing Articles'.
1250 See `gnus-cite-hide-percentage' and `gnus-cite-hide-absolute' for
1251 how to control what it hides."
1252 :group 'gnus-article-treat
1253 :link '(custom-manual "(gnus)Customizing Articles")
1254 :type gnus-article-treat-custom)
1256 (defcustom gnus-treat-strip-list-identifiers 'head
1257 "Strip list identifiers from `gnus-list-identifiers`.
1258 Valid values are nil, t, `head', `first', `last', an integer or a
1259 predicate. See Info node `(gnus)Customizing Articles'."
1261 :group 'gnus-article-treat
1262 :link '(custom-manual "(gnus)Customizing Articles")
1263 :type gnus-article-treat-custom)
1265 (gnus-define-group-parameter
1268 "Alist of regexps and correspondent identifiers."
1269 :variable-group gnus-article-washing
1271 '(choice :tag "Identifier"
1273 (symbol :tag "Item in `gnus-list-identifiers'" none)
1275 (const :tag "None" nil))
1277 "If non-nil, specify how to remove `identifiers' from articles' subject.
1279 Any symbol is used to look up a regular expression to match the
1280 banner in `gnus-list-identifiers'. A string is used as a regular
1281 expression to match the identifier directly.")
1283 (make-obsolete-variable 'gnus-treat-strip-pgp nil
1284 "Gnus 5.10 (Emacs 22.1)")
1286 (defcustom gnus-treat-strip-pem nil
1287 "Strip PEM signatures.
1288 Valid values are nil, t, `head', `first', `last', an integer or a
1289 predicate. See Info node `(gnus)Customizing Articles'."
1290 :group 'gnus-article-treat
1291 :link '(custom-manual "(gnus)Customizing Articles")
1292 :type gnus-article-treat-custom)
1294 (defcustom gnus-treat-strip-banner t
1295 "Strip banners from articles.
1296 The banner to be stripped is specified in the `banner' group parameter.
1297 Valid values are nil, t, `head', `first', `last', an integer or a
1298 predicate. See Info node `(gnus)Customizing Articles'."
1299 :group 'gnus-article-treat
1300 :link '(custom-manual "(gnus)Customizing Articles")
1301 :type gnus-article-treat-custom)
1303 (defcustom gnus-treat-highlight-headers 'head
1304 "Highlight the headers.
1305 Valid values are nil, t, `head', `first', `last', an integer or a
1306 predicate. See Info node `(gnus)Customizing Articles'."
1307 :group 'gnus-article-treat
1308 :link '(custom-manual "(gnus)Customizing Articles")
1309 :type gnus-article-treat-head-custom)
1310 (put 'gnus-treat-highlight-headers 'highlight t)
1312 (defcustom gnus-treat-highlight-citation t
1313 "Highlight cited text.
1314 Valid values are nil, t, `head', `first', `last', an integer or a
1315 predicate. See Info node `(gnus)Customizing Articles'."
1316 :group 'gnus-article-treat
1317 :link '(custom-manual "(gnus)Customizing Articles")
1318 :type gnus-article-treat-custom)
1319 (put 'gnus-treat-highlight-citation 'highlight t)
1321 (defcustom gnus-treat-strip-headers-in-body t
1322 "Strip the X-No-Archive header line from the beginning of the body.
1323 Valid values are nil, t, `head', `first', `last', an integer or a
1324 predicate. See Info node `(gnus)Customizing Articles'."
1326 :group 'gnus-article-treat
1327 :link '(custom-manual "(gnus)Customizing Articles")
1328 :type gnus-article-treat-custom)
1330 (defcustom gnus-treat-strip-trailing-blank-lines nil
1331 "Strip trailing blank lines.
1332 Valid values are nil, t, `head', `first', `last', an integer or a
1333 predicate. See Info node `(gnus)Customizing Articles'.
1335 When set to t, it also strips trailing blanks in all MIME parts.
1336 Consider to use `last' instead."
1337 :group 'gnus-article-treat
1338 :link '(custom-manual "(gnus)Customizing Articles")
1339 :type gnus-article-treat-custom)
1341 (defcustom gnus-treat-strip-leading-blank-lines nil
1342 "Strip leading blank lines.
1343 Valid values are nil, t, `head', `first', `last', an integer or a
1344 predicate. See Info node `(gnus)Customizing Articles'.
1346 When set to t, it also strips trailing blanks in all MIME parts."
1347 :group 'gnus-article-treat
1348 :link '(custom-manual "(gnus)Customizing Articles")
1349 :type gnus-article-treat-custom)
1351 (defcustom gnus-treat-strip-multiple-blank-lines nil
1352 "Strip multiple blank lines.
1353 Valid values are nil, t, `head', `first', `last', an integer or a
1354 predicate. See Info node `(gnus)Customizing Articles'."
1355 :group 'gnus-article-treat
1356 :link '(custom-manual "(gnus)Customizing Articles")
1357 :type gnus-article-treat-custom)
1359 (defcustom gnus-treat-unfold-headers 'head
1360 "Unfold folded header lines.
1361 Valid values are nil, t, `head', `first', `last', an integer or a
1362 predicate. See Info node `(gnus)Customizing Articles'."
1364 :group 'gnus-article-treat
1365 :link '(custom-manual "(gnus)Customizing Articles")
1366 :type gnus-article-treat-custom)
1368 (defcustom gnus-article-unfold-long-headers nil
1369 "If non-nil, allow unfolding headers even if the header is long.
1370 If it is a regexp, only long headers matching this regexp are unfolded.
1371 If it is t, all long headers are unfolded.
1373 This variable has no effect if `gnus-treat-unfold-headers' is nil."
1374 :version "23.1" ;; No Gnus
1375 :group 'gnus-article-treat
1376 :type '(choice (const nil)
1377 (const :tag "all" t)
1380 (defcustom gnus-treat-fold-headers nil
1382 Valid values are nil, t, `head', `first', `last', an integer or a
1383 predicate. See Info node `(gnus)Customizing Articles'."
1385 :group 'gnus-article-treat
1386 :link '(custom-manual "(gnus)Customizing Articles")
1387 :type gnus-article-treat-custom)
1389 (defcustom gnus-treat-fold-newsgroups 'head
1390 "Fold the Newsgroups and Followup-To headers.
1391 Valid values are nil, t, `head', `first', `last', an integer or a
1392 predicate. See Info node `(gnus)Customizing Articles'."
1394 :group 'gnus-article-treat
1395 :link '(custom-manual "(gnus)Customizing Articles")
1396 :type gnus-article-treat-custom)
1398 (defcustom gnus-treat-overstrike t
1399 "Treat overstrike highlighting.
1400 Valid values are nil, t, `head', `first', `last', an integer or a
1401 predicate. See Info node `(gnus)Customizing Articles'."
1402 :group 'gnus-article-treat
1403 :link '(custom-manual "(gnus)Customizing Articles")
1404 :type gnus-article-treat-custom)
1405 (put 'gnus-treat-overstrike 'highlight t)
1407 (defcustom gnus-treat-ansi-sequences (if (locate-library "ansi-color") t)
1408 "Treat ANSI SGR control sequences.
1409 Valid values are nil, t, `head', `first', `last', an integer or a
1410 predicate. See Info node `(gnus)Customizing Articles'."
1411 :group 'gnus-article-treat
1412 :link '(custom-manual "(gnus)Customizing Articles")
1413 :type gnus-article-treat-custom)
1415 (make-obsolete-variable 'gnus-treat-display-xface
1416 'gnus-treat-display-x-face "Emacs 22.1")
1418 (defcustom gnus-treat-display-x-face
1419 (and (not noninteractive)
1420 (gnus-image-type-available-p 'xbm)
1421 (if (featurep 'xemacs)
1424 (and (string-match "^0x" (shell-command-to-string "uncompface"))
1425 (executable-find "icontopbm"))
1426 ;; shell-command-to-string may signal an error, e.g. if
1427 ;; shell-file-name is not found.
1430 "Display X-Face headers.
1431 Valid values are nil and `head'.
1432 See Info node `(gnus)Customizing Articles' and Info node
1433 `(gnus)X-Face' for details."
1434 :group 'gnus-article-treat
1436 :link '(custom-manual "(gnus)Customizing Articles")
1437 :link '(custom-manual "(gnus)X-Face")
1438 :type gnus-article-treat-head-custom
1439 :set (lambda (symbol value)
1442 (cond ((or (boundp symbol) (get symbol 'saved-value))
1444 ((boundp 'gnus-treat-display-xface)
1446 ** gnus-treat-display-xface is an obsolete variable;\
1447 use gnus-treat-display-x-face instead")
1448 (default-value 'gnus-treat-display-xface))
1449 ((get 'gnus-treat-display-xface 'saved-value)
1451 ** gnus-treat-display-xface is an obsolete variable;\
1452 use gnus-treat-display-x-face instead")
1453 (eval (car (get 'gnus-treat-display-xface 'saved-value))))
1456 (put 'gnus-treat-display-x-face 'highlight t)
1458 (defcustom gnus-treat-display-face
1459 (and (not noninteractive)
1460 (gnus-image-type-available-p 'png)
1462 "Display Face headers.
1463 Valid values are nil, t, `head', `first', `last', an integer or a
1464 predicate. See Info node `(gnus)Customizing Articles' and Info
1465 node `(gnus)Face' for details."
1466 :group 'gnus-article-treat
1468 :link '(custom-manual "(gnus)Customizing Articles")
1469 :link '(custom-manual "(gnus)X-Face")
1470 :type gnus-article-treat-head-custom)
1471 (put 'gnus-treat-display-face 'highlight t)
1473 (defcustom gnus-treat-display-smileys (gnus-image-type-available-p 'xpm)
1475 Valid values are nil, t, `head', `first', `last', an integer or a
1476 predicate. See Info node `(gnus)Customizing Articles' and Info
1477 node `(gnus)Smileys' for details."
1478 :group 'gnus-article-treat
1480 :link '(custom-manual "(gnus)Customizing Articles")
1481 :link '(custom-manual "(gnus)Smileys")
1482 :type gnus-article-treat-custom)
1483 (put 'gnus-treat-display-smileys 'highlight t)
1485 (defcustom gnus-treat-from-picon
1486 (if (and (gnus-image-type-available-p 'xpm)
1487 (gnus-picons-installed-p))
1489 "Display picons in the From header.
1490 Valid values are nil, t, `head', `first', `last', an integer or a
1491 predicate. See Info node `(gnus)Customizing Articles' and Info
1492 node `(gnus)Picons' for details."
1494 :group 'gnus-article-treat
1496 :link '(custom-manual "(gnus)Customizing Articles")
1497 :link '(custom-manual "(gnus)Picons")
1498 :type gnus-article-treat-head-custom)
1499 (put 'gnus-treat-from-picon 'highlight t)
1501 (defcustom gnus-treat-mail-picon
1502 (if (and (gnus-image-type-available-p 'xpm)
1503 (gnus-picons-installed-p))
1505 "Display picons in To and Cc headers.
1506 Valid values are nil, t, `head', `first', `last', an integer or a
1507 predicate. See Info node `(gnus)Customizing Articles' and Info
1508 node `(gnus)Picons' for details."
1510 :group 'gnus-article-treat
1512 :link '(custom-manual "(gnus)Customizing Articles")
1513 :link '(custom-manual "(gnus)Picons")
1514 :type gnus-article-treat-head-custom)
1515 (put 'gnus-treat-mail-picon 'highlight t)
1517 (defcustom gnus-treat-newsgroups-picon
1518 (if (and (gnus-image-type-available-p 'xpm)
1519 (gnus-picons-installed-p))
1521 "Display picons in the Newsgroups and Followup-To headers.
1522 Valid values are nil, t, `head', `first', `last', an integer or a
1523 predicate. See Info node `(gnus)Customizing Articles' and Info
1524 node `(gnus)Picons' for details."
1526 :group 'gnus-article-treat
1528 :link '(custom-manual "(gnus)Customizing Articles")
1529 :link '(custom-manual "(gnus)Picons")
1530 :type gnus-article-treat-head-custom)
1531 (put 'gnus-treat-newsgroups-picon 'highlight t)
1533 (defcustom gnus-treat-from-gravatar nil
1534 "Display gravatars in the From header.
1535 Valid values are nil, t, `head', `first', `last', an integer or a
1536 predicate. See Info node `(gnus)Customizing Articles' and Info
1537 node `(gnus)Gravatars' for details."
1539 :group 'gnus-article-treat
1540 :group 'gnus-gravatar
1541 :link '(custom-manual "(gnus)Customizing Articles")
1542 :link '(custom-manual "(gnus)Gravatars")
1543 :type gnus-article-treat-head-custom)
1544 (put 'gnus-treat-from-gravatar 'highlight t)
1546 (defcustom gnus-treat-mail-gravatar nil
1547 "Display gravatars in To and Cc headers.
1548 Valid values are nil, t, `head', `first', `last', an integer or a
1549 predicate. See Info node `(gnus)Customizing Articles' and Info
1550 node `(gnus)Gravatars' for details."
1552 :group 'gnus-article-treat
1553 :group 'gnus-gravatar
1554 :link '(custom-manual "(gnus)Customizing Articles")
1555 :link '(custom-manual "(gnus)Gravatars")
1556 :type gnus-article-treat-head-custom)
1557 (put 'gnus-treat-mail-gravatar 'highlight t)
1559 (defcustom gnus-treat-body-boundary
1560 (if (or gnus-treat-newsgroups-picon
1561 gnus-treat-mail-picon
1562 gnus-treat-from-picon
1563 gnus-treat-from-gravatar
1564 gnus-treat-mail-gravatar)
1565 ;; If there's much decoration, the user might prefer a boundary.
1568 "Draw a boundary at the end of the headers.
1569 Valid values are nil and `head'.
1570 See Info node `(gnus)Customizing Articles' for details."
1572 :group 'gnus-article-treat
1573 :link '(custom-manual "(gnus)Customizing Articles")
1574 :type gnus-article-treat-head-custom)
1576 (defcustom gnus-treat-capitalize-sentences nil
1577 "Capitalize sentence-starting words.
1578 Valid values are nil, t, `head', `first', `last', an integer or a
1579 predicate. See Info node `(gnus)Customizing Articles'."
1581 :group 'gnus-article-treat
1582 :link '(custom-manual "(gnus)Customizing Articles")
1583 :type gnus-article-treat-custom)
1585 (defcustom gnus-treat-wash-html nil
1587 Valid values are nil, t, `head', `first', `last', an integer or a
1588 predicate. See Info node `(gnus)Customizing Articles'."
1590 :group 'gnus-article-treat
1591 :link '(custom-manual "(gnus)Customizing Articles")
1592 :type gnus-article-treat-custom)
1594 (defcustom gnus-treat-fill-long-lines '(typep "text/plain")
1596 Valid values are nil, t, `head', `first', `last', an integer or a
1597 predicate. See Info node `(gnus)Customizing Articles'."
1599 :group 'gnus-article-treat
1600 :link '(custom-manual "(gnus)Customizing Articles")
1601 :type gnus-article-treat-custom)
1603 (defcustom gnus-treat-x-pgp-sig nil
1605 To automatically treat X-PGP-Sig, set it to head.
1606 Valid values are nil, t, `head', `first', `last', an integer or a
1607 predicate. See Info node `(gnus)Customizing Articles'."
1609 :group 'gnus-article-treat
1610 :group 'mime-security
1611 :link '(custom-manual "(gnus)Customizing Articles")
1612 :type gnus-article-treat-custom)
1614 (defvar gnus-article-encrypt-protocol-alist
1615 '(("PGP" . mml2015-self-encrypt)))
1617 ;; Set to nil if more than one protocol added to
1618 ;; gnus-article-encrypt-protocol-alist.
1619 (defcustom gnus-article-encrypt-protocol "PGP"
1620 "The protocol used for encrypt articles.
1621 It is a string, such as \"PGP\". If nil, ask user."
1624 :group 'mime-security)
1626 (defcustom gnus-use-idna (and (condition-case nil (require 'idna) (file-error))
1627 (mm-coding-system-p 'utf-8)
1628 (executable-find idna-program))
1629 "Whether IDNA decoding of headers is used when viewing messages.
1630 This requires GNU Libidn, and by default only enabled if it is found."
1632 :group 'gnus-article-headers
1635 (defcustom gnus-article-over-scroll nil
1636 "If non-nil, allow scrolling the article buffer even when there no more text."
1638 :group 'gnus-article
1641 (defcustom gnus-inhibit-images nil
1642 "Non-nil means inhibit displaying of images inline in the article body."
1644 :group 'gnus-article
1647 (defcustom gnus-blocked-images 'gnus-block-private-groups
1648 "Images that have URLs matching this regexp will be blocked.
1649 This can also be a function to be evaluated. If so, it will be
1650 called with the group name as the parameter, and should return a
1656 ;;; Internal variables
1658 (defvar gnus-english-month-names
1659 '("January" "February" "March" "April" "May" "June" "July" "August"
1660 "September" "October" "November" "December"))
1662 (defvar article-goto-body-goes-to-point-min-p nil)
1663 (defvar gnus-article-wash-types nil)
1664 (defvar gnus-article-emphasis-alist nil)
1665 (defvar gnus-article-image-alist nil)
1667 (defvar gnus-article-mime-handle-alist-1 nil)
1668 (defvar gnus-treatment-function-alist
1669 '((gnus-treat-strip-cr gnus-article-remove-cr)
1670 (gnus-treat-x-pgp-sig gnus-article-verify-x-pgp-sig)
1671 (gnus-treat-strip-banner gnus-article-strip-banner)
1672 (gnus-treat-strip-headers-in-body gnus-article-strip-headers-in-body)
1673 (gnus-treat-highlight-signature gnus-article-highlight-signature)
1674 (gnus-treat-buttonize gnus-article-add-buttons)
1675 (gnus-treat-fill-article gnus-article-fill-cited-article)
1676 (gnus-treat-fill-long-lines gnus-article-fill-cited-long-lines)
1677 (gnus-treat-unsplit-urls gnus-article-unsplit-urls)
1678 (gnus-treat-display-x-face gnus-article-display-x-face)
1679 (gnus-treat-display-face gnus-article-display-face)
1680 (gnus-treat-hide-headers gnus-article-maybe-hide-headers)
1681 (gnus-treat-hide-boring-headers gnus-article-hide-boring-headers)
1682 (gnus-treat-hide-signature gnus-article-hide-signature)
1683 (gnus-treat-strip-list-identifiers gnus-article-hide-list-identifiers)
1684 (gnus-treat-leading-whitespace gnus-article-remove-leading-whitespace)
1685 (gnus-treat-from-picon gnus-treat-from-picon)
1686 (gnus-treat-mail-picon gnus-treat-mail-picon)
1687 (gnus-treat-newsgroups-picon gnus-treat-newsgroups-picon)
1688 (gnus-treat-strip-pem gnus-article-hide-pem)
1689 (gnus-treat-date gnus-article-treat-date)
1690 (gnus-treat-from-gravatar gnus-treat-from-gravatar)
1691 (gnus-treat-mail-gravatar gnus-treat-mail-gravatar)
1692 (gnus-treat-highlight-headers gnus-article-highlight-headers)
1693 (gnus-treat-highlight-signature gnus-article-highlight-signature)
1694 (gnus-treat-strip-trailing-blank-lines
1695 gnus-article-remove-trailing-blank-lines)
1696 (gnus-treat-strip-leading-blank-lines
1697 gnus-article-strip-leading-blank-lines)
1698 (gnus-treat-strip-multiple-blank-lines
1699 gnus-article-strip-multiple-blank-lines)
1700 (gnus-treat-overstrike gnus-article-treat-overstrike)
1701 (gnus-treat-ansi-sequences gnus-article-treat-ansi-sequences)
1702 (gnus-treat-unfold-headers gnus-article-treat-unfold-headers)
1703 (gnus-treat-fold-newsgroups gnus-article-treat-fold-newsgroups)
1704 (gnus-treat-fold-headers gnus-article-treat-fold-headers)
1705 (gnus-treat-buttonize-head gnus-article-add-buttons-to-head)
1706 (gnus-treat-display-smileys gnus-treat-smiley)
1707 (gnus-treat-capitalize-sentences gnus-article-capitalize-sentences)
1708 (gnus-treat-wash-html gnus-article-wash-html)
1709 (gnus-treat-emphasize gnus-article-emphasize)
1710 (gnus-treat-hide-citation gnus-article-hide-citation)
1711 (gnus-treat-hide-citation-maybe gnus-article-hide-citation-maybe)
1712 (gnus-treat-highlight-citation gnus-article-highlight-citation)
1713 (gnus-treat-body-boundary gnus-article-treat-body-boundary)))
1715 (defvar gnus-article-mime-handle-alist nil)
1716 (defvar article-lapsed-timer nil)
1717 (defvar gnus-article-current-summary nil)
1719 (defvar gnus-article-mode-syntax-table
1720 (let ((table (copy-syntax-table text-mode-syntax-table)))
1721 ;; This causes the citation match run O(2^n).
1722 ;; (modify-syntax-entry ?- "w" table)
1723 (modify-syntax-entry ?> ")<" table)
1724 (modify-syntax-entry ?< "(>" table)
1725 ;; make M-. in article buffers work for `foo' strings
1726 (modify-syntax-entry ?' " " table)
1727 (modify-syntax-entry ?` " " table)
1729 "Syntax table used in article mode buffers.
1730 Initialized from `text-mode-syntax-table.")
1732 (defvar gnus-save-article-buffer nil)
1734 (defvar gnus-number-of-articles-to-be-saved nil)
1736 (defvar gnus-inhibit-hiding nil)
1738 (defvar gnus-article-edit-mode nil)
1740 ;;; Macros for dealing with the article buffer.
1742 (defmacro gnus-with-article-headers (&rest forms)
1743 `(with-current-buffer gnus-article-buffer
1745 (let ((inhibit-read-only t)
1746 (inhibit-point-motion-hooks t)
1747 (case-fold-search t))
1748 (article-narrow-to-head)
1751 (put 'gnus-with-article-headers 'lisp-indent-function 0)
1752 (put 'gnus-with-article-headers 'edebug-form-spec '(body))
1754 (defmacro gnus-with-article-buffer (&rest forms)
1755 `(when (buffer-live-p (get-buffer gnus-article-buffer))
1756 (with-current-buffer gnus-article-buffer
1757 (let ((inhibit-read-only t))
1760 (put 'gnus-with-article-buffer 'lisp-indent-function 0)
1761 (put 'gnus-with-article-buffer 'edebug-form-spec '(body))
1763 (defun gnus-article-goto-header (header)
1764 "Go to HEADER, which is a regular expression."
1765 (re-search-forward (concat "^\\(" header "\\):") nil t))
1767 (defsubst gnus-article-hide-text (b e props)
1768 "Set text PROPS on the B to E region, extending `intangible' 1 past B."
1769 (gnus-add-text-properties-when 'article-type nil b e props)
1770 (when (memq 'intangible props)
1772 (max (1- b) (point-min))
1773 b 'intangible (cddr (memq 'intangible props)))))
1775 (defsubst gnus-article-unhide-text (b e)
1776 "Remove hidden text properties from region between B and E."
1777 (remove-text-properties b e gnus-hidden-properties)
1778 (when (memq 'intangible gnus-hidden-properties)
1779 (put-text-property (max (1- b) (point-min))
1780 b 'intangible nil)))
1782 (defun gnus-article-hide-text-type (b e type)
1783 "Hide text of TYPE between B and E."
1784 (gnus-add-wash-type type)
1785 (gnus-article-hide-text
1786 b e (cons 'article-type (cons type gnus-hidden-properties))))
1788 (defun gnus-article-unhide-text-type (b e type)
1789 "Unhide text of TYPE between B and E."
1790 (gnus-delete-wash-type type)
1791 (remove-text-properties
1792 b e (cons 'article-type (cons type gnus-hidden-properties)))
1793 (when (memq 'intangible gnus-hidden-properties)
1794 (put-text-property (max (1- b) (point-min))
1795 b 'intangible nil)))
1797 (defun gnus-article-delete-text-of-type (type)
1798 "Delete text of TYPE in the current buffer."
1800 (let ((b (point-min)))
1801 (if (eq type 'multipart)
1802 ;; Remove MIME buttons associated with multipart/alternative parts.
1805 (while (if (get-text-property (point) 'gnus-part)
1807 (when (setq b (next-single-property-change (point)
1812 (skip-chars-forward "\n")
1813 (when (eq (get-text-property b 'article-type) 'multipart)
1814 (delete-region b (point)))))
1815 (while (setq b (text-property-any b (point-max) 'article-type type))
1817 b (or (text-property-not-all b (point-max) 'article-type type)
1820 (defun gnus-article-delete-invisible-text ()
1821 "Delete all invisible text in the current buffer."
1823 (let ((b (point-min)))
1824 (while (setq b (text-property-any b (point-max) 'invisible t))
1826 b (or (text-property-not-all b (point-max) 'invisible t)
1829 (defsubst gnus-article-header-rank ()
1830 "Give the rank of the string HEADER as given by `gnus-sorted-header-list'."
1831 (let ((list gnus-sorted-header-list)
1834 (if (looking-at (car list))
1836 (setq list (cdr list))
1840 (defun article-hide-headers (&optional arg delete)
1841 "Hide unwanted headers and possibly sort them as well."
1843 ;; This function might be inhibited.
1844 (unless gnus-inhibit-hiding
1845 (let ((inhibit-read-only t)
1846 (case-fold-search t)
1847 (max (1+ (length gnus-sorted-header-list)))
1848 (inhibit-point-motion-hooks t)
1849 (cur (current-buffer))
1850 ignored visible beg)
1852 ;; `gnus-ignored-headers' and `gnus-visible-headers' may be
1853 ;; group parameters, so we should go to the summary buffer.
1856 (progn (set-buffer gnus-summary-buffer) t)
1858 (setq ignored (when (not gnus-visible-headers)
1859 (cond ((stringp gnus-ignored-headers)
1860 gnus-ignored-headers)
1861 ((listp gnus-ignored-headers)
1862 (mapconcat 'identity
1863 gnus-ignored-headers
1865 visible (cond ((stringp gnus-visible-headers)
1866 gnus-visible-headers)
1867 ((and gnus-visible-headers
1868 (listp gnus-visible-headers))
1869 (mapconcat 'identity
1870 gnus-visible-headers
1874 ;; First we narrow to just the headers.
1875 (article-narrow-to-head)
1876 ;; Hide any "From " lines at the beginning of (mail) articles.
1877 (while (looking-at "From ")
1880 (delete-region (point-min) (point)))
1881 ;; Then treat the rest of the header lines.
1882 ;; Then we use the two regular expressions
1883 ;; `gnus-ignored-headers' and `gnus-visible-headers' to
1884 ;; select which header lines is to remain visible in the
1886 (while (re-search-forward "^[^ \t:]*:" nil t)
1888 ;; Mark the rank of the header.
1890 (point) (1+ (point)) 'message-rank
1891 (if (or (and visible (looking-at visible))
1893 (not (looking-at ignored))))
1894 (gnus-article-header-rank)
1897 (message-sort-headers-1)
1898 (when (setq beg (text-property-any
1899 (point-min) (point-max) 'message-rank (+ 2 max)))
1900 ;; We delete the unwanted headers.
1901 (gnus-add-wash-type 'headers)
1902 (add-text-properties (point-min) (+ 5 (point-min))
1903 '(article-type headers dummy-invisible t))
1904 (delete-region beg (point-max))))))))
1906 (defun article-hide-boring-headers (&optional arg)
1907 "Toggle hiding of headers that aren't very interesting.
1908 If given a negative prefix, always show; if given a positive prefix,
1910 (interactive (gnus-article-hidden-arg))
1911 (when (and (not (gnus-article-check-hidden-text 'boring-headers arg))
1912 (not gnus-show-all-headers))
1915 (let ((inhibit-read-only t)
1916 (inhibit-point-motion-hooks t))
1917 (article-narrow-to-head)
1918 (dolist (elem gnus-boring-article-headers)
1919 (goto-char (point-min))
1921 ;; Hide empty headers.
1923 (while (re-search-forward "^[^: \t]+:[ \t]*\n[^ \t]" nil t)
1925 (gnus-article-hide-text-type
1929 (if (re-search-forward "^[^ \t]" nil t)
1933 ;; Hide boring Newsgroups header.
1934 ((eq elem 'newsgroups)
1935 (when (gnus-string-equal
1936 (gnus-fetch-field "newsgroups")
1937 (gnus-group-real-name
1938 (if (boundp 'gnus-newsgroup-name)
1941 (gnus-article-hide-header "newsgroups")))
1942 ((eq elem 'to-address)
1943 (let ((to (message-fetch-field "to"))
1945 (gnus-parameter-to-address
1946 (if (boundp 'gnus-newsgroup-name)
1947 gnus-newsgroup-name ""))))
1948 (when (and to to-address
1951 ;; only one address in To
1952 (nth 1 (mail-extract-address-components to))
1954 (gnus-article-hide-header "to"))))
1956 (let ((to (message-fetch-field "to"))
1958 (gnus-parameter-to-list
1959 (if (boundp 'gnus-newsgroup-name)
1960 gnus-newsgroup-name ""))))
1961 (when (and to to-list
1964 ;; only one address in To
1965 (nth 1 (mail-extract-address-components to))
1967 (gnus-article-hide-header "to"))))
1969 (let ((cc (message-fetch-field "cc"))
1971 (gnus-parameter-to-list
1972 (if (boundp 'gnus-newsgroup-name)
1973 gnus-newsgroup-name ""))))
1974 (when (and cc to-list
1977 ;; only one address in CC
1978 (nth 1 (mail-extract-address-components cc))
1980 (gnus-article-hide-header "cc"))))
1981 ((eq elem 'followup-to)
1982 (when (gnus-string-equal
1983 (message-fetch-field "followup-to")
1984 (message-fetch-field "newsgroups"))
1985 (gnus-article-hide-header "followup-to")))
1986 ((eq elem 'reply-to)
1987 (if (gnus-group-find-parameter
1988 gnus-newsgroup-name 'broken-reply-to)
1989 (gnus-article-hide-header "reply-to")
1990 (let ((from (message-fetch-field "from"))
1991 (reply-to (message-fetch-field "reply-to")))
1998 (lambda (x) (downcase (cadr x)))
1999 (mail-extract-address-components from t))
2002 (lambda (x) (downcase (cadr x)))
2003 (mail-extract-address-components reply-to t))
2005 (gnus-article-hide-header "reply-to")))))
2007 (let ((date (with-current-buffer gnus-original-article-buffer
2008 ;; If date in `gnus-article-buffer' is localized
2009 ;; (`gnus-treat-date-user-defined'),
2010 ;; `days-between' might fail.
2011 (message-fetch-field "date"))))
2013 (< (days-between (current-time-string) date)
2015 (gnus-article-hide-header "date"))))
2017 (let ((to (message-fetch-field "to"))
2018 (cc (message-fetch-field "cc")))
2019 (when (> (length to) 1024)
2020 (gnus-article-hide-header "to"))
2021 (when (> (length cc) 1024)
2022 (gnus-article-hide-header "cc"))))
2026 (goto-char (point-min))
2027 (while (re-search-forward "^to:" nil t)
2028 (setq to-count (1+ to-count)))
2029 (when (> to-count 1)
2030 (while (> to-count 0)
2031 (goto-char (point-min))
2033 (re-search-forward "^to:" nil nil to-count)
2035 (narrow-to-region (point) (point-max))
2036 (gnus-article-hide-header "to"))
2037 (setq to-count (1- to-count))))
2038 (goto-char (point-min))
2039 (while (re-search-forward "^cc:" nil t)
2040 (setq cc-count (1+ cc-count)))
2041 (when (> cc-count 1)
2042 (while (> cc-count 0)
2043 (goto-char (point-min))
2045 (re-search-forward "^cc:" nil nil cc-count)
2047 (narrow-to-region (point) (point-max))
2048 (gnus-article-hide-header "cc"))
2049 (setq cc-count (1- cc-count)))))))))))))
2051 (defun gnus-article-hide-header (header)
2053 (goto-char (point-min))
2054 (when (re-search-forward (concat "^" header ":") nil t)
2055 (gnus-article-hide-text-type
2059 (if (re-search-forward "^[^ \t]" nil t)
2064 (defvar gnus-article-normalized-header-length 40
2065 "Length of normalized headers.")
2067 (defun article-normalize-headers ()
2068 "Make all header lines 40 characters long."
2070 (let ((inhibit-read-only t)
2074 (article-narrow-to-head)
2077 ((< (setq column (- (point-at-eol) (point)))
2078 gnus-article-normalized-header-length)
2080 (insert (make-string
2081 (- gnus-article-normalized-header-length column)
2083 ((> column gnus-article-normalized-header-length)
2084 (gnus-put-text-property
2086 (forward-char gnus-article-normalized-header-length)
2093 (forward-line 1))))))
2095 (defun article-treat-dumbquotes ()
2096 "Translate M****s*** sm*rtq**t*s and other symbols into proper text.
2097 Note that this function guesses whether a character is a sm*rtq**t* or
2098 not, so it should only be used interactively.
2100 Sm*rtq**t*s are M****s***'s unilateral extension to the
2101 iso-8859-1 character map in an attempt to provide more quoting
2102 characters. If you see something like \\222 or \\264 where
2103 you're expecting some kind of apostrophe or quotation mark, then
2106 (article-translate-strings gnus-article-dumbquotes-map))
2108 (defvar org-entities)
2110 (defun article-treat-non-ascii ()
2111 "Translate many Unicode characters into their ASCII equivalents."
2113 (require 'org-entities)
2114 (let ((table (make-char-table (if (featurep 'xemacs) 'generic))))
2115 (dolist (elem org-entities)
2116 (when (and (listp elem)
2117 (= (length (nth 6 elem)) 1))
2118 (if (featurep 'xemacs)
2119 (put-char-table (aref (nth 6 elem) 0) (nth 4 elem) table)
2120 (set-char-table-range table (aref (nth 6 elem) 0) (nth 4 elem)))))
2122 (when (article-goto-body)
2123 (let ((inhibit-read-only t)
2126 (if (not (setq replace (if (featurep 'xemacs)
2127 (get-char-table (following-char) table)
2128 (aref table (following-char)))))
2131 (setq props (text-properties-at (point)))
2133 (add-text-properties (point) (progn (insert replace) (point))
2135 (insert replace)))))))))
2137 (defun article-translate-strings (map)
2138 "Translate all string in the body of the article according to MAP.
2139 MAP is an alist where the elements are on the form (\"from\" \"to\")."
2141 (when (article-goto-body)
2142 (let ((inhibit-read-only t))
2144 (let ((from (car elem))
2148 (while (search-forward from nil t)
2151 (if (eq (following-char) from)
2155 (forward-char 1)))))))))))
2157 (defun article-treat-overstrike ()
2158 "Translate overstrikes into bold text."
2161 (when (article-goto-body)
2162 (let ((inhibit-read-only t))
2163 (while (search-forward "\b" nil t)
2164 (let ((next (char-after))
2165 (previous (char-after (- (point) 2))))
2166 ;; We do the boldification/underlining by hiding the
2167 ;; overstrikes and putting the proper text property
2171 (gnus-article-hide-text-type (- (point) 2) (point) 'overstrike)
2172 (put-text-property (point) (1+ (point)) 'face 'bold))
2174 (gnus-article-hide-text-type
2175 (1- (point)) (1+ (point)) 'overstrike)
2177 (- (point) 2) (1- (point)) 'face 'underline))
2179 (gnus-article-hide-text-type (- (point) 2) (point) 'overstrike)
2181 (point) (1+ (point)) 'face 'underline)))))))))
2183 (defun article-treat-ansi-sequences ()
2184 "Translate ANSI SGR control sequences into overlays or extents."
2187 (when (article-goto-body)
2188 (let ((inhibit-read-only t))
2189 (ansi-color-apply-on-region (point) (point-max))))))
2191 (defun gnus-article-treat-unfold-headers ()
2192 "Unfold folded message headers.
2193 Only the headers that fit into the current window width will be
2196 (gnus-with-article-headers
2200 (mail-header-narrow-to-field)
2201 (let* ((header (buffer-string))
2203 (or (equal gnus-article-unfold-long-headers t)
2204 (and (stringp gnus-article-unfold-long-headers)
2205 (string-match gnus-article-unfold-long-headers
2209 (goto-char (point-min))
2210 (while (re-search-forward "\n[\t ]" nil t)
2211 (replace-match " " t t)))
2212 (setq length (- (point-max) (point-min) 1))
2213 (when (or unfoldable
2214 (< length (window-width)))
2215 (while (re-search-forward "\n[\t ]" nil t)
2216 (replace-match " " t t))))
2217 (goto-char (point-max)))))))
2219 (defun gnus-article-treat-fold-headers ()
2220 "Fold message headers."
2222 (gnus-with-article-headers
2225 (mail-header-narrow-to-field)
2226 (mail-header-fold-field)
2227 (goto-char (point-max))))))
2229 (defun gnus-treat-smiley ()
2230 "Toggle display of textual emoticons (\"smileys\") as small graphical icons."
2232 (gnus-with-article-buffer
2233 (if (memq 'smiley gnus-article-wash-types)
2234 (gnus-delete-images 'smiley)
2236 (let ((images (smiley-region (point) (point-max))))
2238 (gnus-add-wash-type 'smiley)
2239 (dolist (image images)
2240 (gnus-add-image 'smiley image)))))))
2242 (defun gnus-article-remove-images ()
2243 "Remove all images from the article buffer."
2245 (gnus-with-article-buffer
2248 (dolist (elem gnus-article-image-alist)
2249 (gnus-delete-images (car elem))))))
2251 (autoload 'w3m-toggle-inline-images "w3m")
2253 (defun gnus-article-show-images ()
2254 "Show any images that are in the HTML-rendered article buffer.
2255 This only works if the article in question is HTML."
2257 (gnus-with-article-buffer
2260 (if (eq mm-text-html-renderer 'w3m)
2261 (let ((mm-inline-text-html-with-images nil))
2262 (w3m-toggle-inline-images))
2263 (dolist (region (gnus-find-text-property-region (point-min) (point-max)
2265 (destructuring-bind (start end function) region
2266 (funcall function (get-text-property start 'image-url)
2269 (defun gnus-article-treat-fold-newsgroups ()
2270 "Unfold folded message headers.
2271 Only the headers that fit into the current window width will be
2274 (gnus-with-article-headers
2275 (while (gnus-article-goto-header "newsgroups\\|followup-to")
2277 (mail-header-narrow-to-field)
2278 (while (re-search-forward ", *" nil t)
2279 (replace-match ", " t t))
2280 (mail-header-fold-field)
2281 (goto-char (point-max))))))
2283 (defcustom gnus-article-truncate-lines (default-value 'truncate-lines)
2284 "Value of `truncate-lines' in Gnus Article buffer.
2285 Valid values are nil, t, `head', `first', `last', an integer or a
2286 predicate. See Info node `(gnus)Customizing Articles'."
2287 :version "23.1" ;; No Gnus
2288 :group 'gnus-article
2289 ;; :link '(custom-manual "(gnus)Customizing Articles")
2292 (defun gnus-article-toggle-truncate-lines (&optional arg)
2293 "Toggle whether to fold or truncate long lines in article the buffer.
2294 If ARG is non-nil and not a number, toggle
2295 `gnus-article-truncate-lines' too. If ARG is a number, truncate
2296 long lines if and only if arg is positive."
2299 ((and (numberp arg) (> arg 0))
2300 (setq gnus-article-truncate-lines t))
2302 (setq gnus-article-truncate-lines nil))
2304 (setq gnus-article-truncate-lines
2305 (not gnus-article-truncate-lines))))
2306 (gnus-with-article-buffer
2308 ((and (numberp arg) (> arg 0))
2309 (setq truncate-lines nil))
2311 (setq truncate-lines t)))
2312 ;; In versions of Emacs 22 (CVS) before 2006-05-26,
2313 ;; `toggle-truncate-lines' needs an argument.
2314 (toggle-truncate-lines)))
2316 (defun gnus-article-treat-body-boundary ()
2317 "Place a boundary line at the end of the headers."
2319 (when (and gnus-body-boundary-delimiter
2320 (> (length gnus-body-boundary-delimiter) 0))
2321 (gnus-with-article-headers
2322 (goto-char (point-max))
2323 (let ((start (point)))
2324 (insert "X-Boundary: ")
2325 (gnus-add-text-properties start (point) '(invisible t intangible t))
2326 (insert (let (str (max (window-width)))
2327 (if (featurep 'xemacs)
2328 (setq max (1- max)))
2329 (while (>= max (length str))
2330 (setq str (concat str gnus-body-boundary-delimiter)))
2331 (substring str 0 max))
2333 (gnus-put-text-property start (point) 'gnus-decoration 'header)))))
2335 (defun article-fill-long-lines ()
2336 "Fill lines that are wider than the window width."
2339 (let ((inhibit-read-only t)
2340 (width (window-width (get-buffer-window (current-buffer)))))
2343 (let ((adaptive-fill-mode nil)) ;Why? -sm
2346 (when (>= (current-column) (min fill-column width))
2347 (narrow-to-region (min (1+ (point)) (point-max))
2349 (let ((goback (point-marker)))
2350 (fill-paragraph nil)
2351 (goto-char (marker-position goback)))
2353 (forward-line 1)))))))
2355 (defun article-capitalize-sentences ()
2356 "Capitalize the first word in each sentence."
2359 (let ((inhibit-read-only t)
2360 (paragraph-start "^[\n\^L]"))
2364 (forward-sentence)))))
2366 (defun article-remove-cr ()
2367 "Remove trailing CRs and then translate remaining CRs into LFs."
2370 (let ((inhibit-read-only t))
2371 (goto-char (point-min))
2372 (while (re-search-forward "\r+$" nil t)
2373 (replace-match "" t t))
2374 (goto-char (point-min))
2375 (while (search-forward "\r" nil t)
2376 (replace-match "\n" t t)))))
2378 (defun article-remove-trailing-blank-lines ()
2379 "Remove all trailing blank lines from the article."
2382 (let ((inhibit-read-only t))
2383 (goto-char (point-max))
2387 (while (and (not (bobp))
2388 (looking-at "^[ \t]*$")
2389 (not (gnus-annotation-in-region-p
2390 (point) (point-at-eol))))
2395 (defvar gnus-face-properties-alist)
2397 (defun article-display-face (&optional force)
2398 "Display any Face headers in the header."
2399 (interactive (list 'force))
2400 (let ((wash-face-p buffer-read-only))
2401 (gnus-with-article-headers
2402 ;; When displaying parts, this function can be called several times on
2403 ;; the same article, without any intended toggle semantic (as typing `W
2404 ;; D d' would have). So face deletion must occur only when we come from
2405 ;; an interactive command, that is when the *Article* buffer is
2407 (if (and wash-face-p (memq 'face gnus-article-wash-types))
2408 (gnus-delete-images 'face)
2409 (let ((from (message-fetch-field "from"))
2411 (save-current-buffer
2412 (when (and wash-face-p
2413 (gnus-buffer-live-p gnus-original-article-buffer)
2414 (not (re-search-forward "^Face:[\t ]*" nil t)))
2415 (set-buffer gnus-original-article-buffer))
2417 (mail-narrow-to-head)
2419 ;; Check whether this face is censored.
2420 (not (and gnus-article-x-face-too-ugly
2422 (setq from (message-fetch-field "from")))
2423 (string-match gnus-article-x-face-too-ugly
2425 (while (gnus-article-goto-header "Face")
2426 (push (mail-header-field-value) faces)))))
2428 (goto-char (point-min))
2430 (unless (setq from (gnus-article-goto-header "from"))
2433 (insert " [no `from' set]\n"))
2435 (when (setq png (gnus-convert-face-to-png (pop faces)))
2437 (apply 'gnus-create-image png 'png t
2438 (cdr (assq 'png gnus-face-properties-alist))))
2441 (gnus-add-wash-type 'face)
2442 (gnus-add-image 'face image)
2443 (gnus-put-image image nil 'face)))))))))))
2445 (defun article-display-x-face (&optional force)
2446 "Look for an X-Face header and display it if present."
2447 (interactive (list 'force))
2448 (let ((wash-face-p buffer-read-only)) ;; When type `W f'
2449 (gnus-with-article-headers
2450 ;; Delete the old process, if any.
2451 (when (process-status "article-x-face")
2452 (delete-process "article-x-face"))
2453 ;; See the comment in `article-display-face'.
2454 (if (and wash-face-p (memq 'xface gnus-article-wash-types))
2455 ;; We have already displayed X-Faces, so we remove them
2457 (gnus-delete-images 'xface)
2459 (let ((from (message-fetch-field "from"))
2461 (save-current-buffer
2462 (when (and wash-face-p
2463 (gnus-buffer-live-p gnus-original-article-buffer)
2464 (not (re-search-forward "^X-Face:[\t ]*" nil t)))
2465 ;; If type `W f', use gnus-original-article-buffer,
2466 ;; otherwise use the current buffer because displaying
2467 ;; RFC822 parts calls this function too.
2468 (set-buffer gnus-original-article-buffer))
2470 (mail-narrow-to-head)
2471 (and gnus-article-x-face-command
2473 ;; Check whether this face is censored.
2474 (not (and gnus-article-x-face-too-ugly
2476 (setq from (message-fetch-field "from")))
2477 (string-match gnus-article-x-face-too-ugly
2479 (while (gnus-article-goto-header "X-Face")
2480 (push (mail-header-field-value) x-faces)))))
2482 ;; We display the face.
2483 (cond ((functionp gnus-article-x-face-command)
2484 ;; The command is a lisp function, so we call it.
2485 (mapc gnus-article-x-face-command x-faces))
2486 ((stringp gnus-article-x-face-command)
2487 ;; The command is a string, so we interpret the command
2488 ;; as a, well, command, and fork it off.
2489 (let ((process-connection-type nil))
2490 (gnus-set-process-query-on-exit-flag
2492 "article-x-face" nil shell-file-name
2493 shell-command-switch gnus-article-x-face-command)
2495 ;; Sending multiple EOFs to xv doesn't work,
2496 ;; so we only do a single external face.
2498 (insert (car x-faces))
2499 (process-send-region "article-x-face"
2500 (point-min) (point-max)))
2501 (process-send-eof "article-x-face")))
2503 (error "`%s' set to `%s' is not a function"
2504 gnus-article-x-face-command
2505 'gnus-article-x-face-command)))))))))
2507 (defun article-decode-mime-words ()
2508 "Decode all MIME-encoded words in the article."
2510 (gnus-with-article-buffer
2511 (let ((inhibit-point-motion-hooks t)
2512 (mail-parse-charset gnus-newsgroup-charset)
2513 (mail-parse-ignored-charsets
2514 (with-current-buffer gnus-summary-buffer
2515 gnus-newsgroup-ignored-charsets)))
2516 (mail-decode-encoded-word-region (point-min) (point-max)))))
2518 (defun article-decode-charset (&optional prompt)
2519 "Decode charset-encoded text in the article.
2520 If PROMPT (the prefix), prompt for a coding system to use."
2522 (let ((inhibit-point-motion-hooks t) (case-fold-search t)
2523 (inhibit-read-only t)
2524 (mail-parse-charset gnus-newsgroup-charset)
2525 (mail-parse-ignored-charsets
2526 (save-excursion (condition-case nil
2527 (set-buffer gnus-summary-buffer)
2529 gnus-newsgroup-ignored-charsets))
2530 ct cte ctl charset format)
2533 (article-narrow-to-head)
2534 (setq ct (message-fetch-field "Content-Type" t)
2535 cte (message-fetch-field "Content-Transfer-Encoding" t)
2536 ctl (and ct (mail-header-parse-content-type ct))
2539 (mm-read-coding-system "Charset to decode: "))
2541 (mail-content-type-get ctl 'charset)))
2542 format (and ctl (mail-content-type-get ctl 'format)))
2544 (setq cte (mail-header-strip cte)))
2545 (if (and ctl (not (string-match "/" (car ctl))))
2547 (goto-char (point-max)))
2550 (narrow-to-region (point) (point-max))
2551 (when (and (eq mail-parse-charset 'gnus-decoded)
2552 (eq (mm-body-7-or-8) '8bit))
2553 ;; The text code could have been decoded.
2554 (setq charset mail-parse-charset))
2555 (when (and (or (not ctl)
2556 (equal (car ctl) "text/plain"))
2557 (not format)) ;; article with format will decode later.
2559 charset (and cte (intern (downcase
2560 (gnus-strip-whitespace cte))))
2563 (defun article-decode-encoded-words ()
2564 "Remove encoded-word encoding from headers."
2565 (let ((inhibit-point-motion-hooks t)
2566 (mail-parse-charset gnus-newsgroup-charset)
2567 (mail-parse-ignored-charsets
2568 (save-excursion (condition-case nil
2569 (set-buffer gnus-summary-buffer)
2571 gnus-newsgroup-ignored-charsets))
2572 (inhibit-read-only t)
2574 (goto-char (point-min))
2575 (when (search-forward "\n\n" nil 'move)
2582 (memq (char-after) '(?\t ? )))))
2583 (setq start (point))
2585 \\(?:Resent-\\)?\\(?:From\\|Cc\\|To\\|Bcc\\|\\(?:In-\\)?Reply-To\\|Sender\
2586 \\|Mail-Followup-To\\|Mail-Copies-To\\|Approved\\):")
2587 (funcall gnus-decode-address-function start end)
2588 (funcall gnus-decode-header-function start end))
2589 (goto-char (setq end start)))))
2591 (defun article-decode-group-name ()
2592 "Decode group names in Newsgroups, Followup-To and Xref headers."
2593 (let ((inhibit-point-motion-hooks t)
2594 (inhibit-read-only t)
2595 (method (gnus-find-method-for-group gnus-newsgroup-name))
2597 (when (and (or gnus-group-name-charset-method-alist
2598 gnus-group-name-charset-group-alist)
2599 (gnus-buffer-live-p gnus-original-article-buffer))
2601 (article-narrow-to-head)
2602 (dolist (header '("Newsgroups" "Followup-To" "Xref"))
2603 (with-current-buffer gnus-original-article-buffer
2604 (goto-char (point-min)))
2605 (setq regexp (concat "^" header
2606 ":\\([^\n]*\\(?:\n[\t ]+[^\n]+\\)*\\)\n"))
2607 (while (re-search-forward regexp nil t)
2608 (replace-match (save-match-data
2609 (gnus-decode-newsgroups
2610 ;; XXX how to use data in article buffer?
2611 (with-current-buffer gnus-original-article-buffer
2612 (re-search-forward regexp nil t)
2614 gnus-newsgroup-name method))
2616 (goto-char (point-min)))))))
2618 (autoload 'idna-to-unicode "idna")
2620 (defun article-decode-idna-rhs ()
2621 "Decode IDNA strings in RHS in various headers in current buffer.
2622 The following headers are decoded: From:, To:, Cc:, Reply-To:,
2623 Mail-Reply-To: and Mail-Followup-To:."
2626 (let ((inhibit-point-motion-hooks t)
2627 (inhibit-read-only t))
2628 (article-narrow-to-head)
2629 (goto-char (point-min))
2630 (while (re-search-forward "@[^ \t\n\r,>]*\\(xn--[-A-Za-z0-9.]*\\)[ \t\n\r,>]" nil t)
2632 (when (save-match-data
2633 (and (setq ace (match-string 1))
2635 (and (re-search-backward "^[^ \t]" nil t)
2636 (looking-at "From\\|To\\|Cc\\|Reply-To\\|Mail-Reply-To\\|Mail-Followup-To")))
2637 (setq unicode (idna-to-unicode ace))))
2638 (unless (string= ace unicode)
2639 (replace-match unicode nil nil nil 1)))))))))
2641 (defun article-de-quoted-unreadable (&optional force read-charset)
2642 "Translate a quoted-printable-encoded article.
2643 If FORCE, decode the article whether it is marked as quoted-printable
2645 If READ-CHARSET, ask for a coding system."
2646 (interactive (list 'force current-prefix-arg))
2648 (let ((inhibit-read-only t) type charset)
2649 (if (gnus-buffer-live-p gnus-original-article-buffer)
2650 (with-current-buffer gnus-original-article-buffer
2652 (gnus-fetch-field "content-transfer-encoding"))
2653 (let* ((ct (gnus-fetch-field "content-type"))
2654 (ctl (and ct (mail-header-parse-content-type ct))))
2655 (setq charset (and ctl
2656 (mail-content-type-get ctl 'charset)))
2657 (if (stringp charset)
2658 (setq charset (intern (downcase charset)))))))
2660 (setq charset (mm-read-coding-system "Charset: " charset)))
2662 (setq charset gnus-newsgroup-charset))
2664 (and type (let ((case-fold-search t))
2665 (string-match "quoted-printable" type))))
2667 (quoted-printable-decode-region
2668 (point) (point-max) (mm-charset-to-coding-system charset))))))
2670 (defun article-de-base64-unreadable (&optional force read-charset)
2671 "Translate a base64 article.
2672 If FORCE, decode the article whether it is marked as base64 not.
2673 If READ-CHARSET, ask for a coding system."
2674 (interactive (list 'force current-prefix-arg))
2676 (let ((inhibit-read-only t) type charset)
2677 (if (gnus-buffer-live-p gnus-original-article-buffer)
2678 (with-current-buffer gnus-original-article-buffer
2680 (gnus-fetch-field "content-transfer-encoding"))
2681 (let* ((ct (gnus-fetch-field "content-type"))
2682 (ctl (and ct (mail-header-parse-content-type ct))))
2683 (setq charset (and ctl
2684 (mail-content-type-get ctl 'charset)))
2685 (if (stringp charset)
2686 (setq charset (intern (downcase charset)))))))
2688 (setq charset (mm-read-coding-system "Charset: " charset)))
2690 (setq charset gnus-newsgroup-charset))
2692 (and type (let ((case-fold-search t))
2693 (string-match "base64" type))))
2696 (narrow-to-region (point) (point-max))
2697 (base64-decode-region (point-min) (point-max))
2698 (mm-decode-coding-region
2699 (point-min) (point-max) (mm-charset-to-coding-system charset)))))))
2704 (defun article-decode-HZ ()
2705 "Translate a HZ-encoded article."
2709 (let ((inhibit-read-only t))
2710 (rfc1843-decode-region (point-min) (point-max)))))
2712 (defun article-unsplit-urls ()
2713 "Remove the newlines that some other mailers insert into URLs."
2716 (let ((inhibit-read-only t))
2717 (goto-char (point-min))
2718 (while (re-search-forward
2719 "\\(\\(https?\\|ftp\\)://\\S-+\\) *\n\\(\\S-+\\)" nil t)
2720 (replace-match "\\1\\3" t)))
2721 (when (interactive-p)
2722 (gnus-treat-article nil))))
2724 (defun article-wash-html ()
2725 "Format an HTML article."
2728 (buffer-read-only nil))
2729 (when (gnus-buffer-live-p gnus-original-article-buffer)
2730 (with-current-buffer gnus-original-article-buffer
2731 (setq handles (mm-dissect-buffer t t))))
2733 (delete-region (point) (point-max))
2734 (mm-enable-multibyte)
2735 (mm-inline-text-html handles)))
2737 (defvar gnus-article-browse-html-temp-list nil
2738 "List of temporary files created by `gnus-article-browse-html-parts'.
2739 Internal variable.")
2741 (defcustom gnus-article-browse-delete-temp 'ask
2742 "What to do with temporary files from `gnus-article-browse-html-parts'.
2743 If nil, don't delete temporary files. If it is t, delete them on
2744 exit from the summary buffer. If it is the symbol `file', query
2745 on each file, if it is `ask' ask once when exiting from the
2747 :group 'gnus-article
2748 :version "23.1" ;; No Gnus
2749 :type '(choice (const :tag "Don't delete" nil)
2750 (const :tag "Don't ask" t)
2751 (const :tag "Ask" ask)
2752 (const :tag "Ask for each file" file)))
2754 ;; Cf. mm-postponed-undisplay-list / mm-destroy-postponed-undisplay-list.
2756 (defun gnus-article-browse-delete-temp-files (&optional how)
2757 "Delete temp-files created by `gnus-article-browse-html-parts'."
2758 (when (and gnus-article-browse-html-temp-list
2760 (or how (setq how gnus-article-browse-delete-temp))
2762 (let ((files (length gnus-article-browse-html-temp-list)))
2765 "Delete the temporary HTML file? "
2766 (format "Delete all %s temporary HTML files? "
2769 (dolist (file gnus-article-browse-html-temp-list)
2770 (cond ((file-directory-p file)
2771 (when (or (not (eq how 'file))
2774 "Delete temporary HTML file(s) in directory `%s'? "
2775 (file-name-as-directory file))))
2776 (gnus-delete-directory file)))
2777 ((file-exists-p file)
2778 (when (or (not (eq how 'file))
2780 (format "Delete temporary HTML file `%s'? " file)))
2781 (delete-file file)))))
2782 ;; Also remove file from the list when not deleted or if file doesn't
2784 (setq gnus-article-browse-html-temp-list nil))
2785 gnus-article-browse-html-temp-list)
2787 (defun gnus-article-browse-html-save-cid-content (cid handles directory)
2788 "Find CID content in HANDLES and save it in a file in DIRECTORY.
2793 (dolist (handle handles)
2795 ((not (listp handle)))
2796 ((equal (mm-handle-media-supertype handle) "multipart")
2797 (when (setq file (gnus-article-browse-html-save-cid-content
2798 cid handle directory))
2799 (throw 'found file)))
2800 ((equal (concat "<" cid ">") (mm-handle-id handle))
2803 (or (mm-handle-filename handle)
2805 (make-temp-name "cid")
2806 (car (rassoc (car (mm-handle-type handle)) mailcap-mime-extensions))))
2808 (mm-save-part-to-file handle file)
2809 (throw 'found file))))))))
2811 (defun gnus-article-browse-html-parts (list &optional header)
2812 "View all \"text/html\" parts from LIST.
2813 Recurse into multiparts. The optional HEADER that should be a decoded
2814 message header will be added to the bodies of the \"text/html\" parts."
2815 ;; Internal function used by `gnus-article-browse-html-article'.
2816 (let (type file charset content cid-dir tmp-file showed)
2817 ;; Find and show the html-parts.
2818 (dolist (handle list)
2819 ;; If HTML, show it:
2820 (cond ((not (listp handle)))
2821 ((or (equal (car (setq type (mm-handle-type handle))) "text/html")
2822 (and (equal (car type) "message/external-body")
2824 (setq file (mm-handle-filename handle)))
2825 (or (mm-handle-cache handle)
2826 (condition-case code
2827 (progn (mm-extern-cache-contents handle) t)
2829 (gnus-message 3 "%s" (error-message-string code))
2830 (when (>= gnus-verbose 3) (sit-for 2))
2833 (setq handle (mm-handle-cache handle)
2834 type (mm-handle-type handle))
2835 (equal (car type) "text/html"))))
2836 (setq charset (mail-content-type-get type 'charset)
2837 content (mm-get-part handle))
2839 (if (eq charset 'gnus-decoded)
2840 (mm-enable-multibyte)
2841 (mm-disable-multibyte))
2843 ;; resolve cid contents
2844 (let ((case-fold-search t)
2846 (goto-char (point-min))
2847 (while (re-search-forward "\
2848 <img[\t\n ]+\\(?:[^\t\n >]+[\t\n ]+\\)*src=\"\\(cid:\\([^\"]+\\)\\)\""
2851 (setq cid-dir (mm-make-temp-file "cid" t))
2852 (add-to-list 'gnus-article-browse-html-temp-list cid-dir))
2855 (when (setq cid-file
2856 (gnus-article-browse-html-save-cid-content
2858 (with-current-buffer gnus-article-buffer
2859 gnus-article-mime-handles)
2861 (when (eq system-type 'cygwin)
2863 (concat "/" (substring
2864 (with-output-to-string
2865 (call-process "cygpath" nil
2869 (replace-match (concat "file://" cid-file)
2871 (unless content (setq content (buffer-string))))
2872 (when (or charset header (not file))
2873 (setq tmp-file (mm-make-temp-file
2874 ;; Do we need to care for 8.3 filenames?
2875 "mm-" nil ".html")))
2876 ;; Add a meta html tag to specify charset and a header.
2879 (let (title eheader body hcharset coding force-charset)
2881 (mm-enable-multibyte)
2882 (setq case-fold-search t)
2883 (insert header "\n")
2884 (setq title (message-fetch-field "subject"))
2885 (goto-char (point-min))
2886 (while (re-search-forward "\\(<\\)\\|\\(>\\)\\|&" nil t)
2887 (replace-match (cond ((match-beginning 1) "<")
2888 ((match-beginning 2) ">")
2890 (goto-char (point-min))
2892 (goto-char (point-max))
2893 (insert "</pre>\n<hr>\n")
2894 ;; We have to examine charset one by one since
2895 ;; charset specified in parts might be different.
2896 (if (eq charset 'gnus-decoded)
2897 (setq charset 'utf-8
2898 eheader (mm-encode-coding-string (buffer-string)
2901 (mm-encode-coding-string title charset))
2902 body (mm-encode-coding-string content charset)
2904 (setq hcharset (mm-find-mime-charset-region (point-min)
2906 (cond ((= (length hcharset) 1)
2907 (setq hcharset (car hcharset)
2908 coding (mm-charset-to-coding-system
2910 ((> (length hcharset) 1)
2911 (setq hcharset 'utf-8
2917 (mm-charset-to-coding-system charset))
2918 (if (eq coding body)
2919 (setq eheader (mm-encode-coding-string
2920 (buffer-string) coding)
2922 (mm-encode-coding-string
2925 (setq charset 'utf-8
2926 eheader (mm-encode-coding-string
2927 (buffer-string) charset)
2929 (mm-encode-coding-string
2931 body (mm-encode-coding-string
2932 (mm-decode-coding-string
2936 (setq charset hcharset
2937 eheader (mm-encode-coding-string
2938 (buffer-string) coding)
2940 (mm-encode-coding-string
2943 (setq eheader (mm-string-as-unibyte (buffer-string))
2946 (mm-disable-multibyte)
2949 (mm-add-meta-html-tag handle charset force-charset))
2951 (goto-char (point-min))
2952 (unless (search-forward "<title>" nil t)
2953 (re-search-forward "<head>\\s-*" nil t)
2954 (insert "<title>" title "</title>\n")))
2955 (goto-char (point-min))
2956 (or (re-search-forward
2957 "<body\\(?:\\s-+[^>]+\\|\\s-*\\)>\\s-*" nil t)
2959 "</head\\(?:\\s-+[^>]+\\|\\s-*\\)>\\s-*" nil t))
2961 (mm-write-region (point-min) (point-max)
2962 tmp-file nil nil nil 'binary t))))
2964 (mm-with-unibyte-buffer
2965 (insert (if (eq charset 'gnus-decoded)
2966 (mm-encode-coding-string content
2967 (setq charset 'utf-8))
2969 (if (or (mm-add-meta-html-tag handle charset)
2971 (mm-write-region (point-min) (point-max)
2972 tmp-file nil nil nil 'binary t)
2973 (setq tmp-file nil))))
2975 (mm-save-part-to-file handle tmp-file)))
2977 (add-to-list 'gnus-article-browse-html-temp-list tmp-file))
2978 (add-hook 'gnus-summary-prepare-exit-hook
2979 'gnus-article-browse-delete-temp-files)
2980 (add-hook 'gnus-exit-gnus-hook
2982 (gnus-article-browse-delete-temp-files t)))
2983 ;; FIXME: Warn if there's an <img> tag?
2984 (browse-url-of-file (or tmp-file (expand-file-name file)))
2986 ;; If multipart, recurse
2987 ((equal (mm-handle-media-supertype handle) "multipart")
2988 (when (gnus-article-browse-html-parts handle header)
2990 ((equal (mm-handle-media-type handle) "message/rfc822")
2991 (mm-with-multibyte-buffer
2992 (mm-insert-part handle)
2993 (setq handle (mm-dissect-buffer t t))
2994 (when (and (bufferp (car handle))
2995 (stringp (car (mm-handle-type handle))))
2996 (setq handle (list handle)))
2998 (article-decode-encoded-words)
2999 (let ((gnus-visible-headers
3000 (or (get 'gnus-visible-headers 'standard-value)
3001 gnus-visible-headers)))
3002 (article-hide-headers))
3003 (goto-char (point-min))
3004 (search-forward "\n\n" nil 'move)
3005 (skip-chars-backward "\t\n ")
3006 (setq header (buffer-substring (point-min) (point)))))
3008 (gnus-article-browse-html-parts handle header)
3009 (mm-destroy-parts handle))
3013 (defun gnus-article-browse-html-article (&optional arg)
3014 "View \"text/html\" parts of the current article with a WWW browser.
3015 Inline images embedded in a message using the cid scheme, as they are
3016 generally considered to be safe, will be processed properly.
3017 The message header is added to the beginning of every html part unless
3018 the prefix argument ARG is given.
3020 Warning: Spammers use links to images (using the http scheme) in HTML
3021 articles to verify whether you have read the message. As
3022 `gnus-article-browse-html-article' passes the HTML content to the
3023 browser without eliminating these \"web bugs\" you should only
3024 use it for mails from trusted senders.
3026 If you always want to display HTML parts in the browser, set
3027 `mm-text-html-renderer' to nil.
3029 This command creates temporary files to pass HTML contents including
3030 images if any to the browser, and deletes them when exiting the group
3032 ;; Cf. `mm-w3m-safe-url-regexp'
3035 (gnus-summary-show-article)
3036 (let ((gnus-visible-headers (or (get 'gnus-visible-headers 'standard-value)
3037 gnus-visible-headers))
3038 ;; As we insert a <hr>, there's no need for the body boundary.
3039 (gnus-treat-body-boundary nil))
3040 (gnus-summary-show-article)))
3041 (with-current-buffer gnus-article-buffer
3042 (let ((header (unless arg
3045 (buffer-substring-no-properties
3046 (goto-char (point-min))
3047 (if (search-forward "\n\n" nil t)
3049 (goto-char (point-max))
3050 (skip-chars-backward "\t\n ")
3053 (set-buffer gnus-original-article-buffer)
3054 (setq parts (mm-dissect-buffer t t))
3055 ;; If singlepart, enforce a list.
3056 (when (and (bufferp (car parts))
3057 (stringp (car (mm-handle-type parts))))
3058 (setq parts (list parts)))
3060 (unless (gnus-article-browse-html-parts parts header)
3061 (gnus-error 3 "Mail doesn't contain a \"text/html\" part!"))
3062 (mm-destroy-parts parts)
3064 (gnus-summary-show-article)))))
3066 (defun article-hide-list-identifiers ()
3067 "Remove list identifies from the Subject header.
3068 The `gnus-list-identifiers' variable specifies what to do."
3070 (let ((inhibit-point-motion-hooks t)
3071 (regexp (gnus-group-get-list-identifiers gnus-newsgroup-name))
3072 (inhibit-read-only t))
3076 (article-narrow-to-head)
3077 (goto-char (point-min))
3078 (while (re-search-forward
3079 (concat "^Subject: +\\(R[Ee]: +\\)*\\(" regexp " *\\)")
3081 (delete-region (match-beginning 2) (match-end 0))
3082 (beginning-of-line))
3083 (when (re-search-forward
3084 "^Subject: +\\(\\(R[Ee]: +\\)+\\)R[Ee]: +" nil t)
3085 (delete-region (match-beginning 1) (match-end 1))))))))
3087 (defun article-hide-pem (&optional arg)
3088 "Toggle hiding of any PEM headers and signatures in the current article.
3089 If given a negative prefix, always show; if given a positive prefix,
3091 (interactive (gnus-article-hidden-arg))
3092 (unless (gnus-article-check-hidden-text 'pem arg)
3094 (let ((inhibit-read-only t) end)
3095 (goto-char (point-min))
3096 ;; Hide the horrendously ugly "header".
3097 (when (and (search-forward
3098 "\n-----BEGIN PRIVACY-ENHANCED MESSAGE-----\n"
3100 (setq end (1+ (match-beginning 0))))
3101 (gnus-add-wash-type 'pem)
3102 (gnus-article-hide-text-type
3104 (if (search-forward "\n\n" nil t)
3108 ;; Hide the trailer as well
3109 (when (search-forward "\n-----END PRIVACY-ENHANCED MESSAGE-----\n"
3111 (gnus-article-hide-text-type
3112 (match-beginning 0) (match-end 0) 'pem)))))))
3114 (defun article-strip-banner ()
3115 "Strip the banners specified by the `banner' group parameter and by
3116 `gnus-article-address-banner-alist'."
3120 (let ((inhibit-point-motion-hooks t))
3121 (when (gnus-parameter-banner gnus-newsgroup-name)
3122 (article-really-strip-banner
3123 (gnus-parameter-banner gnus-newsgroup-name)))
3124 (when gnus-article-address-banner-alist
3125 ;; Note that the From header is decoded here, so it is
3126 ;; required that the *-extract-address-components function
3127 ;; supports non-ASCII text.
3128 (let ((from (save-restriction
3130 (article-narrow-to-head)
3131 (mail-fetch-field "from"))))
3134 (cadr (funcall gnus-extract-address-components
3137 (dolist (pair gnus-article-address-banner-alist)
3138 (when (string-match (car pair) from)
3140 (article-really-strip-banner (cdr pair)))))))))))))
3142 (defun article-really-strip-banner (banner)
3143 "Strip the banner specified by the argument."
3146 (let ((inhibit-point-motion-hooks t)
3147 (gnus-signature-limit nil)
3148 (inhibit-read-only t))
3151 ((eq banner 'signature)
3152 (when (gnus-article-narrow-to-signature)
3155 (delete-region (point) (point-max))))
3157 (if (setq banner (cdr (assq banner gnus-article-banner-alist)))
3158 (while (re-search-forward banner nil t)
3159 (delete-region (match-beginning 0) (match-end 0)))))
3161 (while (re-search-forward banner nil t)
3162 (delete-region (match-beginning 0) (match-end 0)))))))))
3164 (defun article-babel ()
3165 "Translate article using an online translation service."
3168 (gnus-with-article-buffer
3169 (when (article-goto-body)
3170 (let* ((start (point))
3172 (orig (buffer-substring start end))
3173 (trans (babel-as-string orig)))
3175 (narrow-to-region start end)
3176 (delete-region start end)
3179 (defun article-hide-signature (&optional arg)
3180 "Hide the signature in the current article.
3181 If given a negative prefix, always show; if given a positive prefix,
3183 (interactive (gnus-article-hidden-arg))
3184 (unless (gnus-article-check-hidden-text 'signature arg)
3187 (let ((inhibit-read-only t))
3188 (when (gnus-article-narrow-to-signature)
3189 (gnus-article-hide-text-type
3190 (point-min) (point-max) 'signature))))))
3191 (gnus-set-mode-line 'article))
3193 (defun article-strip-headers-in-body ()
3194 "Strip offensive headers from bodies."
3198 (let ((case-fold-search t))
3199 (when (looking-at "x-no-archive:")
3200 (gnus-delete-line)))))
3202 (defun article-strip-leading-blank-lines ()
3203 "Remove all blank lines from the beginning of the article."
3206 (let ((inhibit-point-motion-hooks t)
3207 (inhibit-read-only t))
3208 (when (article-goto-body)
3209 (while (and (not (eobp))
3210 (looking-at "[ \t]*$"))
3211 (gnus-delete-line))))))
3213 (defun article-narrow-to-head ()
3214 "Narrow the buffer to the head of the message.
3215 Point is left at the beginning of the narrowed-to region."
3217 (goto-char (point-min))
3219 ;; Absolutely no headers displayed.
3223 ((search-forward "\n\n" nil 1)
3225 ;; Nothing but headers.
3228 (goto-char (point-min)))
3230 (defun article-goto-body ()
3231 "Place point at the start of the body."
3232 (goto-char (point-min))
3234 ;; This variable is only bound when dealing with separate
3236 (article-goto-body-goes-to-point-min-p
3238 ((search-forward "\n\n" nil t)
3241 (goto-char (point-max))
3244 (defun article-strip-multiple-blank-lines ()
3245 "Replace consecutive blank lines with one empty line."
3248 (let ((inhibit-point-motion-hooks t)
3249 (inhibit-read-only t))
3250 ;; First make all blank lines empty.
3252 (while (re-search-forward "^[ \t]+$" nil t)
3253 (unless (gnus-annotation-in-region-p
3254 (match-beginning 0) (match-end 0))
3255 (replace-match "" nil t)))
3256 ;; Then replace multiple empty lines with a single empty line.
3258 (while (re-search-forward "\n\n\\(\n+\\)" nil t)
3259 (unless (gnus-annotation-in-region-p
3260 (match-beginning 0) (match-end 0))
3261 (delete-region (match-beginning 1) (match-end 1)))))))
3263 (defun article-strip-leading-space ()
3264 "Remove all white space from the beginning of the lines in the article."
3267 (let ((inhibit-point-motion-hooks t)
3268 (inhibit-read-only t))
3270 (while (re-search-forward "^[ \t]+" nil t)
3271 (replace-match "" t t)))))
3273 (defun article-strip-trailing-space ()
3274 "Remove all white space from the end of the lines in the article."
3277 (let ((inhibit-point-motion-hooks t)
3278 (inhibit-read-only t))
3280 (while (re-search-forward "[ \t]+$" nil t)
3281 (replace-match "" t t)))))
3283 (defun article-strip-blank-lines ()
3284 "Strip leading, trailing and multiple blank lines."
3286 (article-strip-leading-blank-lines)
3287 (article-remove-trailing-blank-lines)
3288 (article-strip-multiple-blank-lines))
3290 (defun article-strip-all-blank-lines ()
3291 "Strip all blank lines."
3294 (let ((inhibit-point-motion-hooks t)
3295 (inhibit-read-only t))
3297 (while (re-search-forward "^[ \t]*\n" nil t)
3298 (replace-match "" t t)))))
3300 (defun gnus-article-narrow-to-signature ()
3301 "Narrow to the signature; return t if a signature is found, else nil."
3302 (let ((inhibit-point-motion-hooks t))
3303 (when (gnus-article-search-signature)
3305 ;; Check whether we have some limits to what we consider
3306 ;; to be a signature.
3307 (let ((limits (if (listp gnus-signature-limit) gnus-signature-limit
3308 (list gnus-signature-limit)))
3310 (while (setq limit (pop limits))
3311 (if (or (and (integerp limit)
3312 (< (- (point-max) (point)) limit))
3314 (< (count-lines (point) (point-max)) limit))
3315 (and (functionp limit)
3317 (and (stringp limit)
3318 (not (re-search-forward limit nil t))))
3319 () ; This limit did not succeed.
3323 (narrow-to-region (point) (point-max))
3326 (defun gnus-article-search-signature ()
3327 "Search the current buffer for the signature separator.
3328 Put point at the beginning of the signature separator."
3329 (let ((cur (point)))
3330 (goto-char (point-max))
3331 (if (if (stringp gnus-signature-separator)
3332 (re-search-backward gnus-signature-separator nil t)
3333 (let ((seps gnus-signature-separator))
3335 (not (re-search-backward (car seps) nil t)))
3342 (defun gnus-article-hidden-arg ()
3343 "Return the current prefix arg as a number, or 0 if no prefix."
3344 (list (if current-prefix-arg
3345 (prefix-numeric-value current-prefix-arg)
3348 (defun gnus-article-check-hidden-text (type arg)
3349 "Return nil if hiding is necessary.
3350 Arg can be nil or a number. nil and positive means hide, negative
3351 means show, 0 means toggle."
3354 (let ((hide (gnus-article-hidden-text-p type)))
3360 (gnus-article-show-hidden-text type)
3363 (if (eq hide 'hidden)
3365 (gnus-article-show-hidden-text type)
3369 (defun gnus-article-hidden-text-p (type)
3370 "Say whether the current buffer contains hidden text of type TYPE."
3371 (let ((pos (text-property-any (point-min) (point-max) 'article-type type)))
3373 (not (get-text-property pos 'invisible))
3374 (not (get-text-property pos 'dummy-invisible)))
3376 (text-property-any (1+ pos) (point-max) 'article-type type)))
3381 (defun gnus-article-show-hidden-text (type &optional dummy)
3382 "Show all hidden text of type TYPE.
3383 Originally it is hide instead of DUMMY."
3384 (let ((inhibit-read-only t)
3385 (inhibit-point-motion-hooks t))
3386 (gnus-remove-text-properties-when
3388 (point-min) (point-max)
3389 (cons 'article-type (cons type
3390 gnus-hidden-properties)))
3391 (gnus-delete-wash-type type)))
3393 (defconst article-time-units
3394 `((year . ,(* 365.25 24 60 60))
3395 (week . ,(* 7 24 60 60))
3396 (day . ,(* 24 60 60))
3400 "Mapping from time units to seconds.")
3402 (defun gnus-article-forward-header ()
3403 "Move point to the start of the next header.
3404 If the current header is a continuation header, this can be several
3409 (if (looking-at "[ \t]+[^ \t]")
3413 (defun article-treat-date ()
3414 (article-date-ut (if (gnus-buffer-live-p gnus-summary-buffer)
3415 (with-current-buffer gnus-summary-buffer
3416 gnus-article-date-headers)
3417 gnus-article-date-headers)
3420 (defun article-date-ut (&optional type highlight date-position)
3421 "Convert DATE date to TYPE in the current article.
3422 The default type is `ut'. See `gnus-article-date-headers' for
3424 (interactive (list 'ut t))
3425 (let* ((case-fold-search t)
3426 (inhibit-read-only t)
3427 (inhibit-point-motion-hooks t)
3429 (visible-date (mail-fetch-field "Date"))
3430 pos date bface eface)
3432 (goto-char (point-min))
3433 (when (re-search-forward "^Date:" nil t)
3434 (setq bface (get-text-property (point-at-bol) 'face)
3435 eface (get-text-property (1- (point-at-eol)) 'face)))
3436 ;; Delete any old Date headers.
3439 (goto-char date-position)
3440 (setq date (get-text-property (point) 'original-date))
3441 (delete-region (point)
3443 (gnus-article-forward-header)
3445 (article-transform-date date type bface eface))
3448 (goto-char (point-min))
3449 (while (or (get-text-property (setq pos (point)) 'original-date)
3450 (and (setq pos (next-single-property-change
3451 (point) 'original-date))
3453 (narrow-to-region pos (if (search-forward "\n\n" nil t)
3454 (1+ (match-beginning 0))
3456 (goto-char (point-min))
3457 (while (re-search-forward "^Date:" nil t)
3458 (setq date (get-text-property (match-beginning 0) 'original-date))
3459 (delete-region (point-at-bol) (progn
3460 (gnus-article-forward-header)
3462 (when (and (not date)
3464 (setq date visible-date))
3466 (article-transform-date date type bface eface))
3467 (goto-char (point-max))
3470 (defun article-transform-date (date type bface eface)
3471 (dolist (this-type (cond
3478 (insert (article-make-date-line date (or this-type 'ut)) "\n")
3481 (put-text-property (point) (1+ (point))
3482 'original-date date)
3483 (put-text-property (point) (1+ (point))
3484 'gnus-date-type this-type)
3486 (when (looking-at "\\([^:]+\\): *\\(.*\\)$")
3487 (put-text-property (match-beginning 1) (1+ (match-end 1))
3489 (put-text-property (match-beginning 2) (match-end 2)
3493 (defun article-make-date-line (date type)
3494 "Return a DATE line of TYPE."
3495 (unless (memq type '(local ut original user-defined iso8601 lapsed english
3497 (error "Unknown conversion type: %s" type))
3499 (let ((time (ignore-errors (date-to-time date))))
3501 ;; Convert to the local timezone.
3503 (concat "Date: " (message-make-date time)))
3504 ;; Convert to Universal Time.
3509 (let* ((e (parse-time-string date))
3510 (tm (apply 'encode-time e))
3512 (ls (- (cadr tm) (car (current-time-zone time)))))
3513 (cond ((< ls 0) (list (1- ms) (+ ls 65536)))
3514 ((> ls 65535) (list (1+ ms) (- ls 65536)))
3518 ;; Get the original date from the article.
3519 ((eq type 'original)
3520 (concat "Date: " (if (string-match "\n+$" date)
3521 (substring date 0 (match-beginning 0))
3523 ;; Let the user define the format.
3524 ((eq type 'user-defined)
3525 (let ((format (or (condition-case nil
3526 (with-current-buffer gnus-summary-buffer
3527 gnus-article-time-format)
3529 gnus-article-time-format)))
3530 (if (functionp format)
3531 (funcall format time)
3532 (concat "Date: " (format-time-string format time)))))
3535 (let ((tz (car (current-time-zone time))))
3538 (format-time-string "%Y%m%dT%H%M%S" time)
3539 (format "%s%02d%02d"
3540 (if (> tz 0) "+" "-") (/ (abs tz) 3600)
3541 (/ (% (abs tz) 3600) 60)))))
3542 ;; Do a lapsed format.
3544 (concat "Date: " (article-lapsed-string time)))
3545 ;; A combined date/lapsed format.
3546 ((eq type 'combined-lapsed)
3547 (let ((date-string (article-make-date-line date 'original))
3553 (concat " (" (article-lapsed-string time segments) ")"))
3554 (> (+ (length date-string)
3555 (length lapsed-string))
3558 (setq segments (1- segments)))
3560 (concat date-string lapsed-string)
3562 ;; Display the date in proper English
3564 (let ((dtime (decode-time time)))
3567 (number-to-string (nth 3 dtime))
3568 (let ((digit (% (nth 3 dtime) 10)))
3570 ((memq (nth 3 dtime) '(11 12 13)) "th")
3576 (nth (1- (nth 4 dtime)) gnus-english-month-names)
3578 (number-to-string (nth 5 dtime))
3580 (format "%02d" (nth 2 dtime))
3582 (format "%02d" (nth 1 dtime)))))))
3584 (format "Date: %s (from Gnus)" date))))
3586 (defun article-lapsed-string (time &optional max-segments)
3587 ;; If the date is seriously mangled, the timezone functions are
3588 ;; liable to bug out, so we ignore all errors.
3589 (let* ((now (current-time))
3590 (real-time (subtract-time now time))
3591 (real-sec (and real-time
3592 (+ (* (float (car real-time)) 65536)
3594 (sec (and real-time (abs real-sec)))
3597 (unless max-segments
3598 (setq max-segments (length article-time-units)))
3606 ;; This is a bit convoluted, but basically we go
3607 ;; through the time units for years, weeks, etc,
3608 ;; and divide things to see whether that results
3609 ;; in positive answers.
3612 (if (or (zerop (setq num (ffloor (/ sec (cdr unit)))))
3613 (>= segments max-segments))
3614 ;; The (remaining) seconds are too few to
3615 ;; be divided into this time unit.
3617 ;; It's big enough, so we output it.
3618 (setq sec (- sec (* num (cdr unit))))
3620 (concat (if prev ", " "") (int-to-string
3622 " " (symbol-name (car unit))
3623 (if (> num 1) "s" ""))
3625 segments (1+ segments)))))
3626 article-time-units "")
3627 ;; If dates are odd, then it might appear like the
3628 ;; article was sent in the future.
3631 " in the future"))))))
3633 (defun article-date-local (&optional highlight)
3634 "Convert the current article date to the local timezone."
3635 (interactive (list t))
3636 (article-date-ut 'local highlight))
3638 (defun article-date-english (&optional highlight)
3639 "Convert the current article date to something that is proper English."
3640 (interactive (list t))
3641 (article-date-ut 'english highlight))
3643 (defun article-date-original (&optional highlight)
3644 "Convert the current article date to what it was originally.
3645 This is only useful if you have used some other date conversion
3646 function and want to see what the date was before converting."
3647 (interactive (list t))
3648 (article-date-ut 'original highlight))
3650 (defun article-date-lapsed (&optional highlight)
3651 "Convert the current article date to time lapsed since it was sent."
3652 (interactive (list t))
3653 (article-date-ut 'lapsed highlight))
3655 (defun article-date-combined-lapsed (&optional highlight)
3656 "Convert the current article date to time lapsed since it was sent."
3657 (interactive (list t))
3658 (article-date-ut 'combined-lapsed highlight))
3660 (defun article-update-date-lapsed ()
3661 "Function to be run from a timer to update the lapsed time line."
3663 (let ((buffer (current-buffer)))
3667 (set-buffer (window-buffer w))
3668 (when (eq major-mode 'gnus-article-mode)
3669 (let ((old-line (count-lines (point-min) (point)))
3670 (old-column (- (point) (line-beginning-position)))
3672 (window-start (get-buffer-window (current-buffer)))))
3673 (goto-char (point-min))
3674 (while (re-search-forward "^Date:" nil t)
3675 (let ((type (get-text-property (match-beginning 0)
3677 (when (memq type '(lapsed combined-lapsed user-format))
3678 (when (and window-start
3679 (not (= window-start
3683 (setq window-start nil))
3685 (article-date-ut type t (match-beginning 0)))
3688 (set-window-start (get-buffer-window (current-buffer))
3690 (goto-char (point-min))
3691 (when (> old-column 0)
3692 (setq old-line (1- old-line)))
3693 (forward-line old-line)
3695 (when (> (current-column) old-column)
3697 (forward-char old-column)))))
3699 (set-buffer buffer))))
3701 (defun gnus-start-date-timer (&optional n)
3702 "Start a timer to update the Date headers in the article buffers.
3703 The numerical prefix says how frequently (in seconds) the function
3708 (gnus-stop-date-timer)
3709 (setq article-lapsed-timer
3710 (run-at-time 1 n 'article-update-date-lapsed)))
3712 (defun gnus-stop-date-timer ()
3713 "Stop the Date timer."
3715 (when article-lapsed-timer
3716 (nnheader-cancel-timer article-lapsed-timer)
3717 (setq article-lapsed-timer nil)))
3719 (defun article-date-user (&optional highlight)
3720 "Convert the current article date to the user-defined format.
3721 This format is defined by the `gnus-article-time-format' variable."
3722 (interactive (list t))
3723 (article-date-ut 'user highlight))
3725 (defun article-date-iso8601 (&optional highlight)
3726 "Convert the current article date to ISO8601."
3727 (interactive (list t))
3728 (article-date-ut 'iso8601 highlight))
3730 (defmacro gnus-article-save-original-date (&rest forms)
3731 "Save the original date as a text property and evaluate FORMS."
3732 `(let* ((case-fold-search t)
3734 (goto-char (point-min))
3735 (when (and (re-search-forward "^date:[\t\n ]+" nil t)
3738 (date (when (and start
3739 (re-search-forward "[\t ]*\n\\(?:[^\t ]\\|\\'\\)"
3741 (buffer-substring-no-properties start
3742 (match-beginning 0)))))
3743 (goto-char (point-max))
3744 (skip-chars-backward "\n")
3745 (put-text-property (point-min) (point) 'original-date date)
3747 (goto-char (point-max))
3748 (skip-chars-backward "\n")
3749 (put-text-property (point-min) (point) 'original-date date)))
3751 ;; (defun article-show-all ()
3752 ;; "Show all hidden text in the article buffer."
3755 ;; (let ((inhibit-read-only t))
3756 ;; (gnus-article-unhide-text (point-min) (point-max)))))
3758 (defun article-remove-leading-whitespace ()
3759 "Remove excessive whitespace from all headers."
3763 (let ((inhibit-read-only t))
3764 (article-narrow-to-head)
3765 (goto-char (point-min))
3766 (while (re-search-forward "^[^ :]+: \\([ \t]+\\)" nil t)
3767 (delete-region (match-beginning 1) (match-end 1)))))))
3769 (defun article-emphasize (&optional arg)
3770 "Emphasize text according to `gnus-emphasis-alist'."
3771 (interactive (gnus-article-hidden-arg))
3772 (unless (gnus-article-check-hidden-text 'emphasis arg)
3776 (with-current-buffer gnus-summary-buffer
3777 gnus-article-emphasis-alist)
3779 gnus-emphasis-alist))
3780 (inhibit-read-only t)
3781 (props (append '(article-type emphasis)
3782 gnus-hidden-properties))
3783 regexp elem beg invisible visible face)
3786 (while (setq elem (pop alist))
3788 (setq regexp (car elem)
3789 invisible (nth 1 elem)
3790 visible (nth 2 elem)
3792 (while (re-search-forward regexp nil t)
3793 (when (and (match-beginning visible) (match-beginning invisible))
3794 (gnus-article-hide-text
3795 (match-beginning invisible) (match-end invisible) props)
3796 (gnus-article-unhide-text-type
3797 (match-beginning visible) (match-end visible) 'emphasis)
3798 (gnus-put-overlay-excluding-newlines
3799 (match-beginning visible) (match-end visible) 'face face)
3800 (gnus-add-wash-type 'emphasis)
3801 (goto-char (match-end invisible)))))))))
3803 (defun gnus-article-setup-highlight-words (&optional highlight-words)
3804 "Setup newsgroup emphasis alist."
3805 (unless gnus-article-emphasis-alist
3806 (let ((name (and gnus-newsgroup-name
3807 (gnus-group-real-name gnus-newsgroup-name))))
3808 (make-local-variable 'gnus-article-emphasis-alist)
3809 (setq gnus-article-emphasis-alist
3811 (let ((alist gnus-group-highlight-words-alist) elem highlight)
3812 (while (setq elem (pop alist))
3813 (when (and name (string-match (car elem) name))
3815 highlight (copy-sequence (cdr elem)))))
3817 (copy-sequence highlight-words)
3818 (if gnus-newsgroup-name
3819 (copy-sequence (gnus-group-find-parameter
3820 gnus-newsgroup-name 'highlight-words t)))
3821 gnus-emphasis-alist)))))
3823 (defvar gnus-summary-article-menu)
3824 (defvar gnus-summary-post-menu)
3826 ;;; Saving functions.
3828 (defun gnus-article-save (save-buffer file &optional num)
3829 "Save the currently selected article."
3830 (when (or (get gnus-default-article-saver :headers)
3831 (not gnus-save-all-headers))
3832 ;; Remove headers according to `gnus-saved-headers' or the value
3833 ;; of the `:headers' property that the saver function might have.
3834 (let ((gnus-visible-headers
3835 (or (symbol-value (get gnus-default-article-saver :headers))
3836 gnus-saved-headers gnus-visible-headers))
3837 ;; Ignore group parameter. See `article-hide-headers'.
3838 (gnus-summary-buffer nil))
3839 (with-current-buffer save-buffer
3840 (article-hide-headers 1 t))))
3841 (save-window-excursion
3842 (if (not gnus-default-article-saver)
3843 (error "No default saver is defined")
3844 ;; !!! Magic! The saving functions all save
3845 ;; `gnus-save-article-buffer' (or so they think), but we
3846 ;; bind that variable to our save-buffer.
3847 (set-buffer gnus-article-buffer)
3848 (let* ((gnus-save-article-buffer save-buffer)
3851 ((not gnus-prompt-before-saving) 'default)
3852 ((eq gnus-prompt-before-saving 'always) nil)
3854 (gnus-number-of-articles-to-be-saved
3855 (when (eq gnus-prompt-before-saving t)
3857 (set-buffer gnus-article-current-summary)
3858 (funcall gnus-default-article-saver filename)))))
3860 (defun gnus-read-save-file-name (prompt &optional filename
3861 function group headers variable
3864 (funcall function group headers (symbol-value variable)))
3869 ((eq filename 'default)
3875 (when (symbol-value dir-var)
3876 (setq default-name (expand-file-name
3877 (file-name-nondirectory default-name)
3878 (symbol-value dir-var))))
3879 (let* ((split-name (gnus-get-split-value gnus-split-methods))
3882 (if (and gnus-number-of-articles-to-be-saved
3883 (> gnus-number-of-articles-to-be-saved 1))
3884 (format "these %d articles"
3885 gnus-number-of-articles-to-be-saved)
3888 ;; Let the split methods have their say.
3890 ;; No split name was found.
3893 (concat prompt " (default "
3894 (file-name-nondirectory default-name) "): ")
3895 (file-name-directory default-name)
3897 ;; A single group name is returned.
3898 ((stringp split-name)
3900 (funcall function split-name headers
3901 (symbol-value variable)))
3903 (concat prompt " (default "
3904 (file-name-nondirectory default-name) "): ")
3905 (file-name-directory default-name)
3907 ;; A single split name was found
3908 ((= 1 (length split-name))
3909 (let* ((name (expand-file-name
3911 gnus-article-save-directory))
3912 (dir (cond ((file-directory-p name)
3913 (file-name-as-directory name))
3914 ((file-exists-p name) name)
3915 (t gnus-article-save-directory))))
3917 (concat prompt " (default " name "): ")
3919 ;; A list of splits was found.
3921 (setq split-name (nreverse split-name))
3923 (let ((file-name-history
3924 (nconc split-name file-name-history)))
3928 (concat prompt " (`M-p' for defaults): ")
3929 gnus-article-save-directory
3931 gnus-article-save-directory)))
3932 (car (push result file-name-history)))))))
3933 ;; Create the directory.
3934 (gnus-make-directory (file-name-directory file))
3935 ;; If we have read a directory, we append the default file name.
3936 (when (file-directory-p file)
3937 (setq file (expand-file-name (file-name-nondirectory
3939 (file-name-as-directory file))))
3940 ;; Possibly translate some characters.
3941 (nnheader-translate-file-chars file))))))
3942 (gnus-make-directory (file-name-directory result))
3944 (set variable result))
3946 (set dir-var (file-name-directory result)))
3949 (defun gnus-article-archive-name (group)
3950 "Return the first instance of an \"Archive-name\" in the current buffer."
3951 (let ((case-fold-search t))
3952 (when (re-search-forward "archive-name: *\\([^ \n\t]+\\)[ \t]*$" nil t)
3953 (nnheader-concat gnus-article-save-directory
3954 (match-string 1)))))
3956 (defun gnus-article-nndoc-name (group)
3957 "If GROUP is an nndoc group, return the name of the parent group."
3958 (when (eq (car (gnus-find-method-for-group group)) 'nndoc)
3959 (gnus-group-get-parameter group 'save-article-group)))
3961 (defun gnus-summary-save-in-rmail (&optional filename)
3962 "Append this article to Rmail file.
3963 Optional argument FILENAME specifies file name.
3964 Directory to save to is default to `gnus-article-save-directory'."
3965 (setq filename (gnus-read-save-file-name
3966 "Save %s in rmail file" filename
3967 gnus-rmail-save-name gnus-newsgroup-name
3968 gnus-current-headers 'gnus-newsgroup-last-rmail))
3969 (with-current-buffer gnus-save-article-buffer
3973 ;; Note that unlike gnus-summary-save-in-mail, there is no
3974 ;; check to see if filename is Babyl. Rmail in Emacs 23 does
3976 (gnus-output-to-rmail filename))))
3979 (defun gnus-summary-save-in-mail (&optional filename)
3980 "Append this article to Unix mail file.
3981 Optional argument FILENAME specifies file name.
3982 Directory to save to is default to `gnus-article-save-directory'."
3983 (setq filename (gnus-read-save-file-name
3984 "Save %s in Unix mail file" filename
3985 gnus-mail-save-name gnus-newsgroup-name
3986 gnus-current-headers 'gnus-newsgroup-last-mail))
3987 (with-current-buffer gnus-save-article-buffer
3991 (if (and (file-readable-p filename)
3992 (file-regular-p filename)
3993 (mail-file-babyl-p filename))
3994 (gnus-output-to-rmail filename)
3995 (gnus-output-to-mail filename)))))
3998 (put 'gnus-summary-save-in-file :decode t)
3999 (put 'gnus-summary-save-in-file :headers 'gnus-saved-headers)
4000 (defun gnus-summary-save-in-file (&optional filename overwrite)
4001 "Append this article to file.
4002 Optional argument FILENAME specifies file name.
4003 Directory to save to is default to `gnus-article-save-directory'."
4004 (setq filename (gnus-read-save-file-name
4005 "Save %s in file" filename
4006 gnus-file-save-name gnus-newsgroup-name
4007 gnus-current-headers 'gnus-newsgroup-last-file))
4008 (with-current-buffer gnus-save-article-buffer
4012 (when (and overwrite
4013 (file-exists-p filename))
4014 (delete-file filename))
4015 (gnus-output-to-file filename))))
4018 (put 'gnus-summary-write-to-file :decode t)
4019 (put 'gnus-summary-write-to-file :function 'gnus-summary-save-in-file)
4020 (put 'gnus-summary-write-to-file :headers 'gnus-saved-headers)
4021 (defun gnus-summary-write-to-file (&optional filename)
4022 "Write this article to a file, overwriting it if the file exists.
4023 Optional argument FILENAME specifies file name.
4024 The directory to save in defaults to `gnus-article-save-directory'."
4025 (setq filename (gnus-read-save-file-name
4026 "Save %s in file" filename
4027 gnus-file-save-name gnus-newsgroup-name
4028 gnus-current-headers nil 'gnus-newsgroup-last-directory))
4029 (gnus-summary-save-in-file filename t))
4031 (put 'gnus-summary-save-body-in-file :decode t)
4032 (defun gnus-summary-save-body-in-file (&optional filename overwrite)
4033 "Append this article body to a file.
4034 Optional argument FILENAME specifies file name.
4035 The directory to save in defaults to `gnus-article-save-directory'."
4036 (setq filename (gnus-read-save-file-name
4037 "Save %s body in file" filename
4038 gnus-file-save-name gnus-newsgroup-name
4039 gnus-current-headers 'gnus-newsgroup-last-file))
4040 (with-current-buffer gnus-save-article-buffer
4044 (when (article-goto-body)
4045 (narrow-to-region (point) (point-max)))
4046 (when (and overwrite
4047 (file-exists-p filename))
4048 (delete-file filename))
4049 (gnus-output-to-file filename))))
4052 (put 'gnus-summary-write-body-to-file :decode t)
4053 (put 'gnus-summary-write-body-to-file
4054 :function 'gnus-summary-save-body-in-file)
4055 (defun gnus-summary-write-body-to-file (&optional filename)
4056 "Write this article body to a file, overwriting it if the file exists.
4057 Optional argument FILENAME specifies file name.
4058 The directory to save in defaults to `gnus-article-save-directory'."
4059 (setq filename (gnus-read-save-file-name
4060 "Save %s body in file" filename
4061 gnus-file-save-name gnus-newsgroup-name
4062 gnus-current-headers nil 'gnus-newsgroup-last-directory))
4063 (gnus-summary-save-body-in-file filename t))
4065 (put 'gnus-summary-save-in-pipe :decode t)
4066 (put 'gnus-summary-save-in-pipe :headers 'gnus-saved-headers)
4067 (defun gnus-summary-save-in-pipe (&optional command raw)
4068 "Pipe this article to subprocess COMMAND.
4069 Valid values for COMMAND include:
4071 The executable command name and possibly arguments.
4073 You will be prompted for the command in the minibuffer.
4074 the symbol `default'
4075 It will be replaced with the command which the variable
4076 `gnus-summary-pipe-output-default-command' holds or the command
4077 last used for saving.
4078 Non-nil value for RAW overrides `:decode' and `:headers' properties
4079 and the raw article including all headers will be piped."
4080 (let ((article (gnus-summary-article-number))
4082 (get 'gnus-summary-save-in-pipe :decode)))
4083 save-buffer default)
4085 (if (vectorp (gnus-summary-article-header article))
4086 (save-current-buffer
4087 (gnus-summary-select-article decode decode nil article)
4088 (insert-buffer-substring
4092 gnus-original-article-buffer)
4094 (nnheader-set-temp-buffer " *Gnus Save*"))))
4095 ;; Remove unwanted headers.
4096 (when (and (not raw)
4097 (or (get 'gnus-summary-save-in-pipe :headers)
4098 (not gnus-save-all-headers)))
4099 (let ((gnus-visible-headers
4100 (or (symbol-value (get 'gnus-summary-save-in-pipe
4102 gnus-saved-headers gnus-visible-headers))
4103 (gnus-summary-buffer nil))
4104 (article-hide-headers 1 t))))
4105 (error "%d is not a real article" article))
4106 (error "No article to pipe"))
4107 (setq default (or gnus-summary-pipe-output-default-command
4108 gnus-last-shell-command))
4109 (unless (stringp command)
4111 (if (and (eq command 'default) default)
4113 (gnus-read-shell-command "Shell command on this article: "
4115 (when (string-equal command "")
4117 (setq command default)
4118 (error "A command is required")))
4119 (with-current-buffer save-buffer
4122 (shell-command-on-region (point-min) (point-max) command nil)))
4123 (gnus-kill-buffer save-buffer))
4124 (setq gnus-summary-pipe-output-default-command command))
4126 (defun gnus-summary-pipe-to-muttprint (&optional command)
4127 "Pipe this article to muttprint."
4128 (unless (stringp command)
4129 (setq command (read-string
4130 "Print using command: " gnus-summary-muttprint-program
4131 nil gnus-summary-muttprint-program)))
4132 (let ((gnus-summary-pipe-output-default-command
4133 gnus-summary-pipe-output-default-command))
4134 (gnus-summary-save-in-pipe command))
4135 (setq gnus-summary-muttprint-program command))
4137 ;;; Article file names when saving.
4139 (defun gnus-capitalize-newsgroup (newsgroup)
4140 "Capitalize NEWSGROUP name."
4141 (when (not (zerop (length newsgroup)))
4142 (concat (char-to-string (upcase (aref newsgroup 0)))
4143 (substring newsgroup 1))))
4145 (defun gnus-Numeric-save-name (newsgroup headers &optional last-file)
4146 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
4147 If variable `gnus-use-long-file-name' is non-nil, it is ~/News/News.group/num.
4148 Otherwise, it is like ~/News/news/group/num."
4151 (concat (if (gnus-use-long-file-name 'not-save)
4152 (gnus-capitalize-newsgroup newsgroup)
4153 (gnus-newsgroup-directory-form newsgroup))
4154 "/" (int-to-string (mail-header-number headers)))
4155 gnus-article-save-directory)))
4157 (string-equal (file-name-directory default)
4158 (file-name-directory last-file))
4159 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
4161 (or last-file default))))
4163 (defun gnus-numeric-save-name (newsgroup headers &optional last-file)
4164 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
4165 If variable `gnus-use-long-file-name' is non-nil, it is
4166 ~/News/news.group/num. Otherwise, it is like ~/News/news/group/num."
4169 (concat (if (gnus-use-long-file-name 'not-save)
4171 (gnus-newsgroup-directory-form newsgroup))
4172 "/" (int-to-string (mail-header-number headers)))
4173 gnus-article-save-directory)))
4175 (string-equal (file-name-directory default)
4176 (file-name-directory last-file))
4177 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
4179 (or last-file default))))
4181 (defun gnus-plain-save-name (newsgroup headers &optional last-file)
4182 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
4183 If variable `gnus-use-long-file-name' is non-nil, it is
4184 ~/News/news.group. Otherwise, it is like ~/News/news/group/news."
4187 (if (gnus-use-long-file-name 'not-save)
4190 (expand-file-name "news" (gnus-newsgroup-directory-form newsgroup))
4192 gnus-article-save-directory)))
4194 (defun gnus-sender-save-name (newsgroup headers &optional last-file)
4195 "Generate file name from sender."
4196 (let ((from (mail-header-from headers)))
4198 (if (and from (string-match "\\([^ <]+\\)@" from))
4199 (match-string 1 from)
4201 gnus-article-save-directory)))
4203 (defun article-verify-x-pgp-sig ()
4205 ;; <ftp://ftp.isc.org/pub/pgpcontrol/FORMAT>
4207 (if (gnus-buffer-live-p gnus-original-article-buffer)
4208 (let ((sig (with-current-buffer gnus-original-article-buffer
4209 (gnus-fetch-field "X-PGP-Sig")))
4213 (mml2015-clear-verify-function))
4215 (insert-buffer-substring gnus-original-article-buffer)
4216 (setq items (split-string sig))
4217 (message-narrow-to-head)
4218 (let ((inhibit-point-motion-hooks t)
4219 (case-fold-search t))
4220 ;; Don't verify multiple headers.
4221 (setq headers (mapconcat (lambda (header)
4223 (mail-fetch-field header)
4225 (split-string (nth 1 items) ",") "")))
4226 (delete-region (point-min) (point-max))
4227 (insert "-----BEGIN PGP SIGNED MESSAGE-----\n\n")
4228 (insert "X-Signed-Headers: " (nth 1 items) "\n")
4233 (if (looking-at "^-")
4236 (insert "\n-----BEGIN PGP SIGNATURE-----\n")
4237 (insert "Version: " (car items) "\n\n")
4238 (insert (mapconcat 'identity (cddr items) "\n"))
4239 (insert "\n-----END PGP SIGNATURE-----\n")
4240 (let ((mm-security-handle (list (format "multipart/signed"))))
4241 (mml2015-clean-buffer)
4242 (let ((coding-system-for-write (or gnus-newsgroup-charset
4244 (funcall (mml2015-clear-verify-function)))
4246 (or (mm-handle-multipart-ctl-parameter
4247 mm-security-handle 'gnus-details)
4248 (mm-handle-multipart-ctl-parameter
4249 mm-security-handle 'gnus-info)))))
4251 (let ((inhibit-read-only t) bface eface)
4253 (message-narrow-to-head)
4254 (goto-char (point-max))
4256 (setq bface (get-text-property (point-at-bol) 'face)
4257 eface (get-text-property (1- (point-at-eol)) 'face))
4258 (message-remove-header "X-Gnus-PGP-Verify")
4259 (if (re-search-forward "^X-PGP-Sig:" nil t)
4261 (goto-char (point-max)))
4262 (narrow-to-region (point) (point))
4263 (insert "X-Gnus-PGP-Verify: " info "\n")
4264 (goto-char (point-min))
4267 (if (not (looking-at "^[ \t]"))
4271 (goto-char (point-min))
4272 (when (looking-at "\\([^:]+\\): *")
4273 (put-text-property (match-beginning 1) (1+ (match-end 1))
4275 (put-text-property (match-end 0) (point-max)
4276 'face eface)))))))))
4278 (autoload 'canlock-verify "canlock" nil t) ;; for XEmacs.
4280 (defun article-verify-cancel-lock ()
4281 "Verify Cancel-Lock header."
4283 (if (gnus-buffer-live-p gnus-original-article-buffer)
4284 (canlock-verify gnus-original-article-buffer)))
4291 (setq afunc (car func)
4294 gfunc (intern (format "gnus-%s" func))))
4296 (when (fboundp afunc)
4297 `(lambda (&optional interactive &rest args)
4298 ,(documentation afunc t)
4299 (interactive (list t))
4300 (with-current-buffer gnus-article-buffer
4302 (call-interactively ',afunc)
4303 (apply ',afunc args))))))))
4304 '(article-hide-headers
4305 article-verify-x-pgp-sig
4306 article-verify-cancel-lock
4307 article-hide-boring-headers
4308 article-treat-overstrike
4309 article-treat-ansi-sequences
4310 article-fill-long-lines
4311 article-capitalize-sentences
4313 article-remove-leading-whitespace
4314 article-display-x-face
4315 article-display-face
4316 article-de-quoted-unreadable
4317 article-de-base64-unreadable
4320 article-unsplit-urls
4321 article-hide-list-identifiers
4322 article-strip-banner
4325 article-hide-signature
4326 article-strip-headers-in-body
4327 article-remove-trailing-blank-lines
4328 article-strip-leading-blank-lines
4329 article-strip-multiple-blank-lines
4330 article-strip-leading-space
4331 article-strip-trailing-space
4332 article-strip-blank-lines
4333 article-strip-all-blank-lines
4335 article-date-english
4336 article-date-iso8601
4337 article-date-original
4340 article-decode-mime-words
4341 article-decode-charset
4342 article-decode-encoded-words
4345 article-date-combined-lapsed
4347 article-treat-dumbquotes
4348 article-treat-non-ascii
4349 article-normalize-headers
4350 ;;(article-show-all . gnus-article-show-all-headers)
4354 ;;; Gnus article mode
4357 (put 'gnus-article-mode 'mode-class 'special)
4359 (set-keymap-parent gnus-article-mode-map widget-keymap)
4361 (gnus-define-keys gnus-article-mode-map
4362 " " gnus-article-goto-next-page
4363 "\177" gnus-article-goto-prev-page
4364 [delete] gnus-article-goto-prev-page
4365 [backspace] gnus-article-goto-prev-page
4366 "\C-c^" gnus-article-refer-article
4367 "h" gnus-article-show-summary
4368 "s" gnus-article-show-summary
4369 "\C-c\C-m" gnus-article-mail
4370 "?" gnus-article-describe-briefly
4371 "<" beginning-of-buffer
4373 "\C-c\C-i" gnus-info-find-node
4375 "R" gnus-article-reply-with-original
4376 "F" gnus-article-followup-with-original
4377 "\C-hk" gnus-article-describe-key
4378 "\C-hc" gnus-article-describe-key-briefly
4379 "\C-hb" gnus-article-describe-bindings
4381 "e" gnus-article-read-summary-keys
4382 "\C-d" gnus-article-read-summary-keys
4383 "\M-*" gnus-article-read-summary-keys
4384 "\M-#" gnus-article-read-summary-keys
4385 "\M-^" gnus-article-read-summary-keys
4386 "\M-g" gnus-article-read-summary-keys)
4388 (substitute-key-definition
4389 'undefined 'gnus-article-read-summary-keys gnus-article-mode-map)
4391 (gnus-define-keys (gnus-article-send-map "S" gnus-article-mode-map)
4392 "W" gnus-article-wide-reply-with-original)
4393 (if (featurep 'xemacs)
4394 (set-keymap-default-binding gnus-article-send-map
4395 'gnus-article-read-summary-send-keys)
4396 (define-key gnus-article-send-map [t] 'gnus-article-read-summary-send-keys))
4398 (defun gnus-article-make-menu-bar ()
4399 (unless (boundp 'gnus-article-commands-menu)
4400 (gnus-summary-make-menu-bar))
4401 (unless (boundp 'gnus-article-article-menu)
4403 gnus-article-article-menu gnus-article-mode-map ""
4405 ["Scroll forwards" gnus-article-goto-next-page t]
4406 ["Scroll backwards" gnus-article-goto-prev-page t]
4407 ["Show summary" gnus-article-show-summary t]
4408 ["Fetch Message-ID at point" gnus-article-refer-article t]
4409 ["Mail to address at point" gnus-article-mail t]
4410 ["Send a bug report" gnus-bug t]))
4413 gnus-article-treatment-menu gnus-article-mode-map ""
4414 ;; Fixme: this should use :active (and maybe :visible).
4416 ["Hide headers" gnus-article-hide-headers t]
4417 ["Hide signature" gnus-article-hide-signature t]
4418 ["Hide citation" gnus-article-hide-citation t]
4419 ["Treat overstrike" gnus-article-treat-overstrike t]
4420 ["Treat ANSI sequences" gnus-article-treat-ansi-sequences t]
4421 ["Remove carriage return" gnus-article-remove-cr t]
4422 ["Remove leading whitespace" gnus-article-remove-leading-whitespace t]
4423 ["Remove quoted-unreadable" gnus-article-de-quoted-unreadable t]
4424 ["Remove base64" gnus-article-de-base64-unreadable t]
4425 ["Treat html" gnus-article-wash-html t]
4426 ["Remove newlines from within URLs" gnus-article-unsplit-urls t]
4427 ["Decode HZ" gnus-article-decode-HZ t]))
4429 ;; Note "Commands" menu is defined in gnus-sum.el for consistency
4431 ;; Note "Post" menu is defined in gnus-sum.el for consistency
4433 (gnus-run-hooks 'gnus-article-menu-hook)))
4435 (defvar bookmark-make-record-function)
4436 (defvar shr-put-image-function)
4438 (defun gnus-article-mode ()
4439 "Major mode for displaying an article.
4441 All normal editing commands are switched off.
4443 The following commands are available in addition to all summary mode
4445 \\<gnus-article-mode-map>
4446 \\[gnus-article-next-page]\t Scroll the article one page forwards
4447 \\[gnus-article-prev-page]\t Scroll the article one page backwards
4448 \\[gnus-article-refer-article]\t Go to the article referred to by an article id near point
4449 \\[gnus-article-show-summary]\t Display the summary buffer
4450 \\[gnus-article-mail]\t Send a reply to the address near point
4451 \\[gnus-article-describe-briefly]\t Describe the current mode briefly
4452 \\[gnus-info-find-node]\t Go to the Gnus info node"
4454 (kill-all-local-variables)
4455 (gnus-simplify-mode-line)
4456 (setq mode-name "Article")
4457 (setq major-mode 'gnus-article-mode)
4458 (make-local-variable 'minor-mode-alist)
4459 (use-local-map gnus-article-mode-map)
4460 (when (gnus-visual-p 'article-menu 'menu)
4461 (gnus-article-make-menu-bar)
4462 (when gnus-summary-tool-bar-map
4463 (set (make-local-variable 'tool-bar-map) gnus-summary-tool-bar-map)))
4464 (gnus-update-format-specifications nil 'article-mode)
4465 (set (make-local-variable 'page-delimiter) gnus-page-delimiter)
4466 (set (make-local-variable 'gnus-page-broken) nil)
4467 (make-local-variable 'gnus-article-current-summary)
4468 (make-local-variable 'gnus-article-mime-handles)
4469 (make-local-variable 'gnus-article-decoded-p)
4470 (make-local-variable 'gnus-article-mime-handle-alist)
4471 (make-local-variable 'gnus-article-wash-types)
4472 (make-local-variable 'gnus-article-image-alist)
4473 (make-local-variable 'gnus-article-charset)
4474 (make-local-variable 'gnus-article-ignored-charsets)
4475 (set (make-local-variable 'bookmark-make-record-function)
4476 'gnus-summary-bookmark-make-record)
4477 ;; Prevent Emacs 22 from displaying non-break space with `nobreak-space'
4479 (set (make-local-variable 'nobreak-char-display) nil)
4480 ;; Enable `gnus-article-remove-images' to delete images shr.el renders.
4481 (set (make-local-variable 'shr-put-image-function) 'gnus-shr-put-image)
4482 (setq cursor-in-non-selected-windows nil)
4483 (gnus-set-default-directory)
4484 (buffer-disable-undo)
4485 (setq buffer-read-only t
4486 show-trailing-whitespace nil)
4487 (set-syntax-table gnus-article-mode-syntax-table)
4488 (mm-enable-multibyte)
4489 (gnus-run-mode-hooks 'gnus-article-mode-hook))
4491 (defun gnus-article-setup-buffer ()
4492 "Initialize the article buffer."
4493 (let* ((name (if gnus-single-article-buffer "*Article*"
4495 (gnus-group-decoded-name gnus-newsgroup-name)
4498 (progn (string-match "\\*Article" name)
4499 (concat " *Original Article"
4500 (substring name (match-end 0))))))
4501 (setq gnus-article-buffer name)
4502 (setq gnus-original-article-buffer original)
4503 (setq gnus-article-mime-handle-alist nil)
4504 (with-current-buffer gnus-summary-buffer
4505 ;; This might be a variable local to the summary buffer.
4506 (unless gnus-single-article-buffer
4507 (setq gnus-article-buffer name)
4508 (setq gnus-original-article-buffer original)
4509 (gnus-set-global-variables)))
4510 (gnus-article-setup-highlight-words)
4511 ;; Init original article buffer.
4512 (with-current-buffer (gnus-get-buffer-create gnus-original-article-buffer)
4513 (mm-enable-multibyte)
4514 (setq major-mode 'gnus-original-article-mode)
4515 (make-local-variable 'gnus-original-article))
4516 (if (and (get-buffer name)
4517 (with-current-buffer name
4518 (if gnus-article-edit-mode
4519 (if (y-or-n-p "Article mode edit in progress; discard? ")
4521 (set-buffer-modified-p nil)
4522 (gnus-kill-buffer name)
4525 (error "Action aborted"))
4527 (with-current-buffer name
4528 (set (make-local-variable 'gnus-article-edit-mode) nil)
4529 (gnus-article-stop-animations)
4530 (when gnus-article-mime-handles
4531 (mm-destroy-parts gnus-article-mime-handles)
4532 (setq gnus-article-mime-handles nil))
4533 ;; Set it to nil in article-buffer!
4534 (setq gnus-article-mime-handle-alist nil)
4535 (buffer-disable-undo)
4536 (setq buffer-read-only t)
4537 (unless (eq major-mode 'gnus-article-mode)
4538 (gnus-article-mode))
4539 (setq truncate-lines gnus-article-truncate-lines)
4541 (with-current-buffer (gnus-get-buffer-create name)
4543 (setq truncate-lines gnus-article-truncate-lines)
4544 (make-local-variable 'gnus-summary-buffer)
4545 (setq gnus-summary-buffer
4546 (gnus-summary-buffer-name gnus-newsgroup-name))
4547 (gnus-summary-set-local-parameters gnus-newsgroup-name)
4548 (when article-lapsed-timer
4549 (gnus-stop-date-timer))
4550 (when gnus-article-update-date-headers
4551 (gnus-start-date-timer gnus-article-update-date-headers))
4552 (current-buffer)))))
4554 (defun gnus-article-stop-animations ()
4555 (dolist (timer (and (boundp 'timer-list)
4557 (when (eq (gnus-timer--function timer) 'image-animate-timeout)
4558 (cancel-timer timer))))
4560 (defun gnus-stop-downloads ()
4561 (when (boundp 'url-queue)
4562 (set (intern "url-queue" obarray) nil)))
4564 ;; Set article window start at LINE, where LINE is the number of lines
4565 ;; from the head of the article.
4566 (defun gnus-article-set-window-start (&optional line)
4567 (let ((article-window (gnus-get-buffer-window gnus-article-buffer t)))
4568 (when article-window
4571 (with-current-buffer gnus-article-buffer
4572 (goto-char (point-min))
4575 (gnus-message 6 "Moved to bookmark")
4576 (search-forward "\n\n" nil t)
4580 (defun gnus-article-prepare (article &optional all-headers header)
4581 "Prepare ARTICLE in article mode buffer.
4582 ARTICLE should either be an article number or a Message-ID.
4583 If ARTICLE is an id, HEADER should be the article headers.
4584 If ALL-HEADERS is non-nil, no headers are hidden."
4586 ;; Make sure we start in a summary buffer.
4587 (unless (eq major-mode 'gnus-summary-mode)
4588 (set-buffer gnus-summary-buffer))
4589 (setq gnus-summary-buffer (current-buffer))
4590 (let* ((gnus-article (if header (mail-header-number header) article))
4591 (summary-buffer (current-buffer))
4592 (gnus-tmp-internal-hook gnus-article-internal-prepare-hook)
4593 (group gnus-newsgroup-name)
4596 (gnus-article-setup-buffer)
4597 (set-buffer gnus-article-buffer)
4598 ;; Deactivate active regions.
4599 (when (and (boundp 'transient-mark-mode)
4600 transient-mark-mode)
4601 (setq mark-active nil))
4602 (if (not (setq result (let ((inhibit-read-only t))
4603 (gnus-request-article-this-buffer
4605 ;; There is no such article.
4607 (when (and (numberp article)
4608 (not (memq article gnus-newsgroup-sparse)))
4609 (setq gnus-article-current
4610 (cons gnus-newsgroup-name article))
4611 (set-buffer gnus-summary-buffer)
4612 (setq gnus-current-article article)
4613 (if (and (memq article gnus-newsgroup-undownloaded)
4614 (not (gnus-online (gnus-find-method-for-group
4615 gnus-newsgroup-name))))
4617 (gnus-summary-set-agent-mark article)
4618 (message "Message marked for downloading"))
4619 (gnus-summary-mark-article article gnus-canceled-mark)
4620 (unless (memq article gnus-newsgroup-sparse)
4621 (gnus-error 1 "No such article (may have expired or been canceled)")))))
4622 (if (or (eq result 'pseudo)
4623 (eq result 'nneething))
4625 (with-current-buffer summary-buffer
4626 (push article gnus-newsgroup-history)
4627 (setq gnus-last-article gnus-current-article
4628 gnus-current-article 0
4629 gnus-current-headers nil
4630 gnus-article-current nil)
4631 (if (eq result 'nneething)
4632 (gnus-configure-windows 'summary)
4633 (gnus-configure-windows 'article))
4634 (gnus-set-global-variables))
4635 (let ((gnus-article-mime-handle-alist-1
4636 gnus-article-mime-handle-alist))
4637 (gnus-set-mode-line 'article)))
4638 ;; The result from the `request' was an actual article -
4639 ;; or at least some text that is now displayed in the
4641 (when (and (numberp article)
4642 (not (eq article gnus-current-article)))
4643 ;; Seems like a new article has been selected.
4644 ;; `gnus-current-article' must be an article number.
4645 (with-current-buffer summary-buffer
4646 (push article gnus-newsgroup-history)
4647 (setq gnus-last-article gnus-current-article
4648 gnus-current-article article
4649 gnus-current-headers
4650 (gnus-summary-article-header gnus-current-article)
4651 gnus-article-current
4652 (cons gnus-newsgroup-name gnus-current-article))
4653 (unless (vectorp gnus-current-headers)
4654 (setq gnus-current-headers nil))
4655 (gnus-summary-goto-subject gnus-current-article)
4656 (when (gnus-summary-show-thread)
4657 ;; If the summary buffer really was folded, the
4658 ;; previous goto may not actually have gone to
4659 ;; the right article, but the thread root instead.
4661 (gnus-summary-goto-subject gnus-current-article))
4662 (gnus-run-hooks 'gnus-mark-article-hook)
4663 (gnus-set-mode-line 'summary)
4664 (when (gnus-visual-p 'article-highlight 'highlight)
4665 (gnus-run-hooks 'gnus-visual-mark-article-hook))
4666 ;; Set the global newsgroup variables here.
4667 (gnus-set-global-variables)
4668 (setq gnus-have-all-headers
4669 (or all-headers gnus-show-all-headers))))
4671 (gnus-configure-windows 'article))
4672 (when (or (numberp article)
4674 (gnus-article-prepare-display)
4676 (goto-char (point-min))
4677 (when gnus-break-pages
4678 (gnus-narrow-to-page)))
4679 (let ((gnus-article-mime-handle-alist-1
4680 gnus-article-mime-handle-alist))
4681 (gnus-set-mode-line 'article))
4685 (set-window-point (get-buffer-window (current-buffer)) (point))
4686 (gnus-configure-windows 'article)
4687 (gnus-run-hooks 'gnus-article-prepare-hook)
4691 (defun gnus-article-prepare-display ()
4692 "Make the current buffer look like a nice article."
4693 ;; Hooks for getting information from the article.
4694 ;; This hook must be called before being narrowed.
4695 (let ((gnus-article-buffer (current-buffer))
4697 (inhibit-read-only t))
4698 (unless (eq major-mode 'gnus-article-mode)
4699 (gnus-article-mode))
4700 (setq buffer-read-only nil
4701 gnus-article-wash-types nil
4702 gnus-article-image-alist nil)
4703 (gnus-run-hooks 'gnus-tmp-internal-hook)
4704 (when gnus-display-mime-function
4705 (funcall gnus-display-mime-function))))
4708 ;;; Gnus Sticky Article Mode
4711 (define-derived-mode gnus-sticky-article-mode gnus-article-mode "StickyArticle"
4712 "Mode for sticky articles."
4713 ;; Release bindings that won't work.
4714 (substitute-key-definition 'gnus-article-read-summary-keys 'undefined
4715 gnus-sticky-article-mode-map)
4716 (substitute-key-definition 'gnus-article-refer-article 'undefined
4717 gnus-sticky-article-mode-map)
4718 (dolist (k '("e" "h" "s" "F" "R"))
4719 (define-key gnus-sticky-article-mode-map k nil))
4720 (define-key gnus-sticky-article-mode-map "k" 'gnus-kill-sticky-article-buffer)
4721 (define-key gnus-sticky-article-mode-map "q" 'bury-buffer)
4722 (define-key gnus-sticky-article-mode-map "\C-hc" 'describe-key-briefly)
4723 (define-key gnus-sticky-article-mode-map "\C-hk" 'describe-key))
4725 (defun gnus-sticky-article (arg)
4726 "Make the current article sticky.
4727 If a prefix ARG is given, ask for a name for this sticky article buffer."
4729 (gnus-summary-show-thread)
4730 (gnus-summary-select-article nil nil 'pseudo)
4731 (let (new-art-buf-name)
4732 (gnus-eval-in-buffer-window gnus-article-buffer
4733 (setq new-art-buf-name
4737 (read-from-minibuffer "Sticky article buffer name: ")
4738 (gnus-with-article-headers
4739 (gnus-article-goto-header "subject")
4740 (setq new-art-buf-name
4741 (buffer-substring-no-properties
4742 (line-beginning-position) (line-end-position)))
4743 (goto-char (point-min))
4744 (gnus-article-goto-header "from")
4745 (setq new-art-buf-name
4747 new-art-buf-name ", "
4748 (buffer-substring-no-properties
4749 (line-beginning-position) (line-end-position))))
4750 (goto-char (point-min))
4751 (gnus-article-goto-header "date")
4752 (setq new-art-buf-name
4754 new-art-buf-name ", "
4755 (buffer-substring-no-properties
4756 (line-beginning-position) (line-end-position))))))
4758 (if (and (gnus-buffer-live-p new-art-buf-name)
4759 (with-current-buffer new-art-buf-name
4760 (eq major-mode 'gnus-sticky-article-mode)))
4761 (switch-to-buffer new-art-buf-name)
4762 (setq new-art-buf-name (rename-buffer new-art-buf-name t)))
4763 (gnus-sticky-article-mode))
4764 (setq gnus-article-buffer new-art-buf-name))
4765 (gnus-summary-recenter)
4766 (gnus-summary-position-point))
4768 (defun gnus-kill-sticky-article-buffer (&optional buffer)
4769 "Kill the given sticky article BUFFER.
4770 If none is given, assume the current buffer and kill it if it has
4771 `gnus-sticky-article-mode'."
4774 (setq buffer (current-buffer)))
4775 (with-current-buffer buffer
4776 (when (eq major-mode 'gnus-sticky-article-mode)
4777 (gnus-kill-buffer buffer))))
4779 (defun gnus-kill-sticky-article-buffers (arg)
4780 "Kill all sticky article buffers.
4781 If a prefix ARG is given, ask for confirmation."
4783 (dolist (buf (gnus-buffers))
4784 (with-current-buffer buf
4785 (when (eq major-mode 'gnus-sticky-article-mode)
4787 (gnus-kill-buffer buf)
4788 (when (yes-or-no-p (concat "Kill buffer " (buffer-name buf) "? "))
4789 (gnus-kill-buffer buf)))))))
4792 ;;; Gnus MIME viewing functions
4795 (defvar gnus-mime-button-line-format "%{%([%p. %d%T]%)%}%e\n"
4796 "Format of the MIME buttons.
4798 Valid specifiers include:
4800 %T MIME type, along with additional info
4801 %n The `name' parameter
4802 %d The description, if any
4803 %l The length of the encoded part
4804 %p The part identifier number
4805 %e Dots if the part isn't displayed
4807 General format specifiers can also be used. See Info node
4808 `(gnus)Formatting Variables'.")
4810 (defvar gnus-mime-button-line-format-alist
4811 '((?t gnus-tmp-type ?s)
4812 (?T gnus-tmp-type-long ?s)
4813 (?n gnus-tmp-name ?s)
4814 (?d gnus-tmp-description ?s)
4816 (?l gnus-tmp-length ?d)
4817 (?e gnus-tmp-dots ?s)))
4819 (defvar gnus-mime-button-commands
4820 '((gnus-article-press-button "\r" "Toggle Display")
4821 (gnus-mime-view-part "v" "View Interactively...")
4822 (gnus-mime-view-part-as-type "t" "View As Type...")
4823 (gnus-mime-view-part-as-charset "C" "View As charset...")
4824 (gnus-mime-save-part "o" "Save...")
4825 (gnus-mime-save-part-and-strip "\C-o" "Save and Strip")
4826 (gnus-mime-replace-part "r" "Replace part")
4827 (gnus-mime-delete-part "d" "Delete part")
4828 (gnus-mime-copy-part "c" "View As Text, In Other Buffer")
4829 (gnus-mime-inline-part "i" "View As Text, In This Buffer")
4830 (gnus-mime-view-part-internally "E" "View Internally") ;; Why `E'?
4831 (gnus-mime-view-part-externally "e" "View Externally")
4832 (gnus-mime-print-part "p" "Print")
4833 (gnus-mime-pipe-part "|" "Pipe To Command...")
4834 (gnus-mime-action-on-part "." "Take action on the part...")))
4836 (defun gnus-article-mime-part-status ()
4837 (if gnus-article-mime-handle-alist-1
4838 (if (eq 1 (length gnus-article-mime-handle-alist-1))
4840 (format " (%d parts)" (length gnus-article-mime-handle-alist-1)))
4843 (defvar gnus-mime-button-map
4844 (let ((map (make-sparse-keymap)))
4845 (define-key map gnus-mouse-2 'gnus-article-push-button)
4846 (define-key map gnus-down-mouse-3 'gnus-mime-button-menu)
4847 (dolist (c gnus-mime-button-commands)
4848 (define-key map (cadr c) (car c)))
4852 gnus-mime-button-menu gnus-mime-button-map "MIME button menu."
4854 ,@(mapcar (lambda (c)
4855 (vector (caddr c) (car c) :active t))
4856 gnus-mime-button-commands)))
4858 (defvar gnus-url-button-commands
4859 '((gnus-article-copy-string "u" "Copy URL to kill ring")))
4861 (defvar gnus-url-button-map
4862 (let ((map (make-sparse-keymap)))
4863 (dolist (c gnus-url-button-commands)
4864 (define-key map (cadr c) (car c)))
4868 gnus-url-button-menu gnus-url-button-map "URL button menu."
4870 ,@(mapcar (lambda (c)
4871 (vector (caddr c) (car c) :active t))
4872 gnus-url-button-commands)))
4874 (defmacro gnus-bind-safe-url-regexp (&rest body)
4875 "Bind `mm-w3m-safe-url-regexp' according to `gnus-safe-html-newsgroups'."
4876 `(let ((mm-w3m-safe-url-regexp
4877 (let ((group (if (and (eq major-mode 'gnus-article-mode)
4879 gnus-article-current-summary))
4880 (with-current-buffer gnus-article-current-summary
4881 gnus-newsgroup-name)
4882 gnus-newsgroup-name)))
4883 (if (cond ((not group)
4884 ;; Maybe we're in a mml-preview buffer
4885 ;; and no group is selected.
4887 ((stringp gnus-safe-html-newsgroups)
4888 (string-match gnus-safe-html-newsgroups group))
4889 ((consp gnus-safe-html-newsgroups)
4890 (member group gnus-safe-html-newsgroups)))
4892 mm-w3m-safe-url-regexp))))
4895 (defun gnus-mime-button-menu (event prefix)
4896 "Construct a context-sensitive menu of MIME commands."
4897 (interactive "e\nP")
4898 (save-window-excursion
4899 (let ((pos (event-start event)))
4900 (select-window (posn-window pos))
4901 (goto-char (posn-point pos))
4902 (gnus-article-check-buffer)
4903 (popup-menu gnus-mime-button-menu nil prefix))))
4905 (defun gnus-mime-view-all-parts (&optional handles)
4906 "View all the MIME parts."
4908 (with-current-buffer gnus-article-buffer
4909 (let ((handles (or handles gnus-article-mime-handles))
4910 (mail-parse-charset gnus-newsgroup-charset)
4911 (mail-parse-ignored-charsets
4912 (with-current-buffer gnus-summary-buffer
4913 gnus-newsgroup-ignored-charsets)))
4915 (mm-remove-parts handles)
4916 (goto-char (point-min))
4917 (or (search-forward "\n\n") (goto-char (point-max)))
4918 (let ((inhibit-read-only t))
4919 (delete-region (point) (point-max))
4920 (gnus-bind-safe-url-regexp (mm-display-parts handles)))))))
4922 (defun gnus-article-jump-to-part (n)
4923 "Jump to MIME part N."
4925 (let ((parts (with-current-buffer gnus-article-buffer
4926 (length gnus-article-mime-handle-alist))))
4928 (error "No such part"))
4929 (pop-to-buffer gnus-article-buffer)
4931 (setq n (if (= parts 1)
4933 (read-number (format "Jump to part (1..%s): " parts)))))
4934 (unless (and (integerp n) (<= n parts) (>= n 1))
4937 (gnus-message 7 "Invalid part `%s', using %s instead."
4940 (gnus-message 9 "Jumping to part %s." n)
4941 (cond ((>= gnus-auto-select-part 1)
4942 (while (and (<= n parts)
4943 (not (gnus-article-goto-part n)))
4945 ((< gnus-auto-select-part 0)
4946 (while (and (>= n 1)
4947 (not (gnus-article-goto-part n)))
4950 (gnus-article-goto-part n)))))
4952 (defvar gnus-mime-buttonized-part-id nil
4953 "ID of a mime part that should be buttonized.
4954 `gnus-mime-save-part-and-strip' and `gnus-mime-delete-part' bind it.")
4957 (defsubst gnus-article-edit-part (handles &optional current-id)
4958 "Edit an article in order to delete a mime part.
4959 This function is exclusively used by `gnus-mime-save-part-and-strip'
4960 and `gnus-mime-delete-part', and not provided at run-time normally."
4961 (gnus-article-edit-article
4963 (buffer-disable-undo)
4965 (let ((mail-parse-charset (or gnus-article-charset
4966 ',gnus-newsgroup-charset))
4967 (mail-parse-ignored-charsets
4968 (or gnus-article-ignored-charsets
4969 ',gnus-newsgroup-ignored-charsets))
4970 (mbl mml-buffer-list))
4971 (setq mml-buffer-list nil)
4972 (insert-buffer-substring gnus-original-article-buffer)
4973 (mime-to-mml ',handles)
4974 (setq gnus-article-mime-handles nil)
4975 (let ((mbl1 mml-buffer-list))
4976 (setq mml-buffer-list mbl)
4977 (set (make-local-variable 'mml-buffer-list) mbl1))
4978 (gnus-make-local-hook 'kill-buffer-hook)
4979 (add-hook 'kill-buffer-hook 'mml-destroy-buffers t t)))
4980 `(lambda (no-highlight)
4981 (let ((mail-parse-charset (or gnus-article-charset
4982 ',gnus-newsgroup-charset))
4983 (message-options message-options)
4984 (message-options-set-recipient)
4985 (mail-parse-ignored-charsets
4986 (or gnus-article-ignored-charsets
4987 ',gnus-newsgroup-ignored-charsets)))
4989 (mml-destroy-buffers)
4990 (remove-hook 'kill-buffer-hook
4991 'mml-destroy-buffers t)
4992 (kill-local-variable 'mml-buffer-list))
4993 (gnus-summary-edit-article-done
4994 ,(or (mail-header-references gnus-current-headers) "")
4995 ,(gnus-group-read-only-p)
4996 ,gnus-summary-buffer no-highlight))
4998 ;; Force buttonizing this part.
4999 (let ((gnus-mime-buttonized-part-id current-id))
5000 (gnus-article-edit-done))
5001 (gnus-configure-windows 'article)
5002 (when (and current-id (integerp gnus-auto-select-part))
5003 (gnus-article-jump-to-part
5004 (min (max (+ current-id gnus-auto-select-part) 1)
5005 (with-current-buffer gnus-article-buffer
5006 (length gnus-article-mime-handle-alist)))))))
5008 (defun gnus-mime-replace-part (file)
5009 "Replace MIME part under point with an external body."
5010 ;; Useful if file has already been saved to disk
5013 (read-file-name "Replace MIME part with file: "
5014 (or mm-default-directory default-directory)
5016 (gnus-mime-save-part-and-strip file))
5018 (defun gnus-mime-save-part-and-strip (&optional file)
5019 "Save the MIME part under point then replace it with an external body.
5020 If FILE is given, use it for the external part."
5022 (gnus-article-check-buffer)
5023 (when (gnus-group-read-only-p)
5024 (error "The current group does not support deleting of parts"))
5025 (when (mm-complicated-handles gnus-article-mime-handles)
5027 The current article has a complicated MIME structure, giving up..."))
5028 (let* ((data (get-text-property (point) 'gnus-data))
5029 (id (get-text-property (point) 'gnus-part))
5031 (handles gnus-article-mime-handles))
5034 (and data (mm-save-part data "Delete MIME part and save to: "))))
5036 (with-current-buffer (mm-handle-buffer data)
5038 (insert "Content-Type: " (mm-handle-media-type data))
5039 (mml-insert-parameter-string (cdr (mm-handle-type data))
5041 ;; Add a filename for the sake of saving the part again.
5042 (mml-insert-parameter
5043 (mail-header-encode-parameter "name" (file-name-nondirectory file)))
5045 (insert "Content-ID: " (message-make-message-id) "\n")
5046 (insert "Content-Transfer-Encoding: binary\n")
5049 (cdr (mm-make-handle nil
5050 `("message/external-body"
5051 (access-type . "LOCAL-FILE")
5053 ;; (set-buffer gnus-summary-buffer)
5054 (gnus-article-edit-part handles id))))
5056 ;; A function like `gnus-summary-save-parts' (`X m', `<MIME> <Extract all
5057 ;; parts...>') but with stripping would be nice.
5059 (defun gnus-mime-delete-part ()
5060 "Delete the MIME part under point.
5061 Replace it with some information about the removed part."
5063 (gnus-article-check-buffer)
5064 (when (gnus-group-read-only-p)
5065 (error "The current group does not support deleting of parts"))
5066 (when (mm-complicated-handles gnus-article-mime-handles)
5068 The current article has a complicated MIME structure, giving up..."))
5069 (when (or gnus-expert-user
5070 (gnus-yes-or-no-p "\
5071 Deleting parts may malfunction or destroy the article; continue? "))
5072 (let* ((data (get-text-property (point) 'gnus-data))
5073 (id (get-text-property (point) 'gnus-part))
5074 (handles gnus-article-mime-handles)
5076 (let ((desc (mm-handle-description data)))
5078 (mail-decode-encoded-word-string desc))))
5079 (filename (or (mm-handle-filename data) "(none)"))
5080 (type (mm-handle-media-type data)))
5082 (error "No MIME part under point"))
5083 (with-current-buffer (mm-handle-buffer data)
5084 (let ((bsize (buffer-size)))
5089 "| The following attachment has been deleted:\n"
5091 "| Type: " type "\n"
5092 "| Filename: " filename "\n"
5093 "| Size (encoded): " (format "%s byte%s\n"
5094 bsize (if (= bsize 1)
5098 (concat "| Description: " description "\n"))
5101 (cdr (mm-make-handle
5102 nil `("text/plain" (charset . gnus-decoded)) nil nil
5104 (format "Deleted attachment (%s bytes)" bsize))))))
5105 ;; (set-buffer gnus-summary-buffer)
5106 (gnus-article-edit-part handles id))))
5108 (defun gnus-mime-save-part ()
5109 "Save the MIME part under point."
5111 (gnus-article-check-buffer)
5112 (let ((data (get-text-property (point) 'gnus-data)))
5114 (mm-save-part data))))
5116 (defun gnus-mime-pipe-part (&optional cmd)
5117 "Pipe the MIME part under point to a process.
5118 Use CMD as the process."
5120 (gnus-article-check-buffer)
5121 (let ((data (get-text-property (point) 'gnus-data)))
5123 (mm-pipe-part data cmd))))
5125 (defun gnus-mime-view-part ()
5126 "Interactively choose a viewing method for the MIME part under point."
5128 (gnus-article-check-buffer)
5129 (let ((data (get-text-property (point) 'gnus-data)))
5131 (setq gnus-article-mime-handles
5133 gnus-article-mime-handles (setq data (copy-sequence data))))
5134 (mm-interactively-view-part data))))
5136 (defun gnus-mime-view-part-as-type-internal ()
5137 (gnus-article-check-buffer)
5138 (let* ((handle (get-text-property (point) 'gnus-data))
5140 ;; Content-Type: foo/bar; name=...
5141 (mail-content-type-get (mm-handle-type handle) 'name)
5142 ;; Content-Disposition: attachment; filename=...
5143 (cdr (assq 'filename (cdr (mm-handle-disposition handle))))))
5144 (def-type (and name (mm-default-file-encoding name))))
5145 (or (and def-type (cons def-type 0))
5147 (equal (mm-handle-media-supertype handle) "text")
5148 '("text/plain" . 0))
5149 '("application/octet-stream" . 0))))
5151 (defun gnus-mime-view-part-as-type (&optional mime-type pred)
5152 "Choose a MIME media type, and view the part as such.
5153 If non-nil, PRED is a predicate to use during completion to limit the
5154 available media-types."
5158 (let ((default (gnus-mime-view-part-as-type-internal)))
5159 (gnus-completing-read
5162 (gnus-remove-if-not pred (mailcap-mime-types))
5163 (mailcap-mime-types))
5166 (gnus-article-check-buffer)
5167 (let ((handle (get-text-property (point) 'gnus-data)))
5169 (when (equal (mm-handle-media-type handle) "message/external-body")
5170 (unless (mm-handle-cache handle)
5171 (mm-extern-cache-contents handle))
5172 (setq handle (mm-handle-cache handle)))
5174 (mm-make-handle (mm-handle-buffer handle)
5175 (cons mime-type (cdr (mm-handle-type handle)))
5176 (mm-handle-encoding handle)
5177 (mm-handle-undisplayer handle)
5178 (mm-handle-disposition handle)
5179 (mm-handle-description handle)
5181 (mm-handle-id handle)))
5182 (setq gnus-article-mime-handles
5183 (mm-merge-handles gnus-article-mime-handles handle))
5184 (when (mm-handle-displayed-p handle)
5185 (mm-remove-part handle))
5186 (gnus-mm-display-part handle))))
5188 (defun gnus-mime-copy-part (&optional handle arg)
5189 "Put the MIME part under point into a new buffer.
5190 If `auto-compression-mode' is enabled, compressed files like .gz and .bz2
5192 (interactive (list nil current-prefix-arg))
5193 (gnus-article-check-buffer)
5195 (setq handle (get-text-property (point) 'gnus-data)))
5197 (let ((filename (mm-handle-filename handle))
5198 contents dont-decode charset coding-system)
5199 (mm-with-unibyte-buffer
5200 (mm-insert-part handle)
5201 (setq contents (or (condition-case nil
5202 (mm-decompress-buffer filename nil 'sig)
5204 (setq dont-decode t)
5207 (setq filename (cond (filename (file-name-nondirectory filename))
5208 (dont-decode "*raw data*")
5213 (unless (setq charset (mail-content-type-get
5214 (mm-handle-type handle) 'charset))
5215 (unless (setq coding-system (mm-with-unibyte-buffer
5217 (mm-find-buffer-file-coding-system)))
5218 (setq charset gnus-newsgroup-charset))))
5220 (setq charset (or (cdr (assq arg
5221 gnus-summary-show-article-charset-alist))
5222 (mm-read-coding-system "Charset: ")))))
5223 (switch-to-buffer (generate-new-buffer filename))
5224 (if (or coding-system
5226 (setq coding-system (mm-charset-to-coding-system charset))
5227 (not (eq coding-system 'ascii))))
5229 (mm-enable-multibyte)
5230 (insert (mm-decode-coding-string contents coding-system))
5231 (setq buffer-file-coding-system
5232 (if (boundp 'last-coding-system-used)
5233 (symbol-value 'last-coding-system-used)
5235 (mm-disable-multibyte)
5237 (setq buffer-file-coding-system mm-binary-coding-system))
5238 ;; We do it this way to make `normal-mode' set the appropriate mode.
5241 (setq buffer-file-name (expand-file-name filename))
5243 (setq buffer-file-name nil))
5244 (goto-char (point-min)))))
5246 (defun gnus-mime-print-part (&optional handle filename)
5247 "Print the MIME part under point."
5248 (interactive (list nil (ps-print-preprint current-prefix-arg)))
5249 (gnus-article-check-buffer)
5250 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
5251 (contents (and handle (mm-get-part handle)))
5252 (file (mm-make-temp-file (expand-file-name "mm." mm-tmp-directory)))
5253 (printer (mailcap-mime-info (mm-handle-media-type handle) "print")))
5258 (mm-save-part-to-file handle file)
5259 (call-process shell-file-name nil
5260 (generate-new-buffer " *mm*")
5262 shell-command-switch
5264 printer file (mm-handle-type handle))))
5268 (gnus-print-buffer))
5269 (ps-despool filename)))))
5271 (defun gnus-mime-inline-part (&optional handle arg)
5272 "Insert the MIME part under point into the current buffer.
5273 Compressed files like .gz and .bz2 are decompressed."
5274 (interactive (list nil current-prefix-arg))
5275 (gnus-article-check-buffer)
5277 (setq handle (get-text-property (point) 'gnus-data)))
5280 (inhibit-read-only t)
5281 contents charset coding-system)
5282 (if (and (not arg) (mm-handle-undisplayer handle))
5283 (mm-remove-part handle)
5284 (mm-with-unibyte-buffer
5285 (mm-insert-part handle)
5287 (or (mm-decompress-buffer (mm-handle-filename handle) nil t)
5291 (unless (setq charset (mail-content-type-get
5292 (mm-handle-type handle) 'charset))
5293 (unless (setq coding-system
5294 (mm-with-unibyte-buffer
5296 (mm-find-buffer-file-coding-system)))
5297 (setq charset gnus-newsgroup-charset))))
5299 (if (mm-handle-undisplayer handle)
5300 (mm-remove-part handle))
5303 gnus-summary-show-article-charset-alist))
5304 (mm-read-coding-system "Charset: "))))
5305 ((mm-handle-undisplayer handle)
5306 (mm-remove-part handle)))
5308 (mm-display-inline handle)
5311 (defun gnus-mime-set-charset-parameters (handle charset)
5312 "Set CHARSET to parameters in HANDLE.
5313 CHARSET may either be a string or a symbol."
5314 (unless (stringp charset)
5315 (setq charset (symbol-name charset)))
5316 (if (stringp (car handle))
5317 (dolist (h (cdr handle))
5318 (gnus-mime-set-charset-parameters h charset))
5319 (let* ((type (mm-handle-type (if (equal (mm-handle-media-type handle)
5320 "message/external-body")
5322 (unless (mm-handle-cache handle)
5323 (mm-extern-cache-contents handle))
5324 (mm-handle-cache handle))
5326 (param (assq 'charset (cdr type))))
5328 (setcdr param charset)
5329 (setcdr type (cons (cons 'charset charset) (cdr type)))))))
5331 (defun gnus-mime-view-part-as-charset (&optional handle arg)
5332 "Insert the MIME part under point into the current buffer using the
5334 (interactive (list nil current-prefix-arg))
5335 (gnus-article-check-buffer)
5336 (let ((handle (or handle (get-text-property (point) 'gnus-data)))
5337 (fun (get-text-property (point) 'gnus-callback))
5338 (gnus-newsgroup-ignored-charsets 'gnus-all)
5339 charset form preferred parts)
5346 gnus-summary-show-article-charset-alist))
5347 (mm-read-coding-system "Charset: "))))
5348 (if (mm-handle-undisplayer handle)
5349 (mm-remove-part handle)))
5350 (gnus-mime-set-charset-parameters handle charset)
5351 (when (and (consp (setq form (cdr-safe fun)))
5352 (setq form (ignore-errors
5353 (assq 'gnus-mime-display-alternative form)))
5354 (setq preferred (caddr form))
5356 (when (eq (car preferred) 'quote)
5357 (setq preferred (cadr preferred)))
5358 (not (equal preferred
5359 (get-text-property (point) 'gnus-data))))
5360 (setq parts (get-text-property (point) 'gnus-part))
5361 (setq parts (cdr (assq parts
5362 gnus-article-mime-handle-alist)))
5363 (equal (mm-handle-media-type parts) "multipart/alternative")
5364 (setq parts (reverse (cdr parts))))
5366 (list 'quote (or (cadr (member preferred parts))
5368 (funcall fun handle)))))
5370 (defun gnus-mime-view-part-externally (&optional handle)
5371 "View the MIME part under point with an external viewer."
5373 (gnus-article-check-buffer)
5374 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
5375 (mm-user-display-methods nil)
5376 (mm-inlined-types nil)
5377 (mail-parse-charset gnus-newsgroup-charset)
5378 (mail-parse-ignored-charsets
5379 (with-current-buffer gnus-summary-buffer
5380 gnus-newsgroup-ignored-charsets))
5381 (type (mm-handle-media-type handle))
5382 (method (mailcap-mime-info type))
5383 (mm-enable-external t))
5384 (if (not (stringp method))
5385 (gnus-mime-view-part-as-type
5386 nil (lambda (type) (stringp (mailcap-mime-info type))))
5388 (mm-display-part handle nil t)))))
5390 (defun gnus-mime-view-part-internally (&optional handle)
5391 "View the MIME part under point with an internal viewer.
5392 If no internal viewer is available, use an external viewer."
5394 (gnus-article-check-buffer)
5395 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
5396 (mm-inlined-types '(".*"))
5397 (mm-inline-large-images t)
5398 (mail-parse-charset gnus-newsgroup-charset)
5399 (mail-parse-ignored-charsets
5400 (with-current-buffer gnus-summary-buffer
5401 gnus-newsgroup-ignored-charsets))
5402 (inhibit-read-only t))
5403 (if (not (mm-inlinable-p handle))
5404 (gnus-mime-view-part-as-type
5405 nil (lambda (type) (mm-inlinable-p handle type)))
5407 (gnus-bind-safe-url-regexp (mm-display-part handle))))))
5409 (defun gnus-mime-action-on-part (&optional action)
5410 "Do something with the MIME attachment at \(point\)."
5412 (list (gnus-completing-read "Action" (mapcar 'car gnus-mime-action-alist) t)))
5413 (gnus-article-check-buffer)
5414 (let ((action-pair (assoc action gnus-mime-action-alist)))
5416 (funcall (cdr action-pair)))))
5418 (defun gnus-article-part-wrapper (n function &optional no-handle interactive)
5419 "Call FUNCTION on MIME part N.
5420 Unless NO-HANDLE, call FUNCTION with N-th MIME handle as its only argument.
5421 If INTERACTIVE, call FUNCTION interactively."
5423 ;; Check whether the article is displayed.
5424 (unless (and (gnus-buffer-live-p gnus-article-buffer)
5425 (setq window (get-buffer-window gnus-article-buffer t))
5426 (frame-visible-p (setq frame (window-frame window))))
5427 (error "No article is displayed"))
5428 (with-current-buffer gnus-article-buffer
5429 ;; Check whether the article displays the right contents.
5430 (unless (with-current-buffer gnus-summary-buffer
5431 (eq gnus-current-article (gnus-summary-article-number)))
5432 (error "You should select the right article first"))
5434 (setq n (prefix-numeric-value n))
5436 (setq n (or (get-text-property pt 'gnus-part)
5438 (get-text-property (1- pt) 'gnus-part))
5439 (get-text-property (prog2
5445 (or (and (setq pt (previous-single-property-change
5448 (next-single-property-change (point) 'gnus-part)
5452 ;; Check whether the specified part exists.
5453 (when (> n (length gnus-article-mime-handle-alist))
5454 (error "No such part")))
5457 ;; To select the window is needed so that the cursor
5458 ;; might be visible on the MIME button.
5459 (select-window (prog1
5461 (setq window (selected-window))
5462 ;; Article may be displayed in the other frame.
5463 (gnus-select-frame-set-input-focus
5466 (setq frame (selected-frame))))))
5467 (when (gnus-article-goto-part n)
5468 ;; We point the cursor and the arrow at the MIME button
5469 ;; when the `function' prompt the user for something.
5470 (unless (and (pos-visible-in-window-p)
5471 (> (count-lines (point) (window-end))
5472 (/ (1- (window-height)) 3)))
5473 (recenter (/ (1- (window-height)) 3)))
5474 (let ((cursor-in-non-selected-windows t)
5475 (overlay-arrow-string "=>")
5476 (overlay-arrow-position (point-marker)))
5479 ((and no-handle interactive)
5480 (call-interactively function))
5485 function (get-text-property (point) 'gnus-data)))
5488 (get-text-property (point) 'gnus-data))))
5489 (set-marker overlay-arrow-position nil)
5490 (unless gnus-auto-select-part
5491 (gnus-select-frame-set-input-focus frame)
5492 (select-window window))))
5494 (if gnus-inhibit-mime-unbuttonizing
5495 ;; This is the default though the program shouldn't reach here.
5496 (error "No such part")
5497 ;; The part which doesn't have the MIME button is selected.
5498 ;; So, we display all the buttons and redo it.
5499 (let ((gnus-inhibit-mime-unbuttonizing t))
5500 (gnus-summary-show-article)
5501 (gnus-article-part-wrapper n function no-handle))))))
5503 (defun gnus-article-pipe-part (n)
5504 "Pipe MIME part N, which is the numerical prefix."
5506 (gnus-article-part-wrapper n 'mm-pipe-part))
5508 (defun gnus-article-save-part (n)
5509 "Save MIME part N, which is the numerical prefix."
5511 (gnus-article-part-wrapper n 'mm-save-part))
5513 (defun gnus-article-interactively-view-part (n)
5514 "View MIME part N interactively, which is the numerical prefix."
5516 (gnus-article-part-wrapper n 'mm-interactively-view-part))
5518 (defun gnus-article-copy-part (n)
5519 "Copy MIME part N, which is the numerical prefix."
5521 (gnus-article-part-wrapper n 'gnus-mime-copy-part))
5523 (defun gnus-article-view-part-as-charset (n)
5524 "View MIME part N using a specified charset.
5525 N is the numerical prefix."
5527 (gnus-article-part-wrapper n 'gnus-mime-view-part-as-charset))
5529 (defun gnus-article-view-part-externally (n)
5530 "View MIME part N externally, which is the numerical prefix."
5532 (gnus-article-part-wrapper n 'gnus-mime-view-part-externally))
5534 (defun gnus-article-inline-part (n)
5535 "Inline MIME part N, which is the numerical prefix."
5537 (gnus-article-part-wrapper n 'gnus-mime-inline-part))
5539 (defun gnus-article-save-part-and-strip (n)
5540 "Save MIME part N and replace it with an external body.
5541 N is the numerical prefix."
5543 (gnus-article-part-wrapper n 'gnus-mime-save-part-and-strip t))
5545 (defun gnus-article-replace-part (n)
5546 "Replace MIME part N with an external body.
5547 N is the numerical prefix."
5549 (gnus-article-part-wrapper n 'gnus-mime-replace-part t t))
5551 (defun gnus-article-delete-part (n)
5552 "Delete MIME part N and add some information about the removed part.
5553 N is the numerical prefix."
5555 (gnus-article-part-wrapper n 'gnus-mime-delete-part t))
5557 (defun gnus-article-view-part-as-type (n)
5558 "Choose a MIME media type, and view part N as such.
5559 N is the numerical prefix."
5561 (gnus-article-part-wrapper n 'gnus-mime-view-part-as-type t))
5563 (defun gnus-article-mime-match-handle-first (condition)
5566 (dolist (ihandle gnus-article-mime-handle-alist)
5568 ((functionp condition)
5569 (funcall condition (cdr ihandle)))
5570 ((eq condition 'undisplayed)
5571 (not (or (mm-handle-undisplayer (cdr ihandle))
5572 (equal (mm-handle-media-type (cdr ihandle))
5573 "multipart/alternative"))))
5574 ((eq condition 'undisplayed-alternative)
5575 (not (mm-handle-undisplayer (cdr ihandle))))
5577 (gnus-article-goto-part (car ihandle))
5578 (or (not n) (< (car ihandle) n)))
5579 (setq n (car ihandle))))
5583 (defun gnus-article-view-part (&optional n)
5584 "View MIME part N, which is the numerical prefix.
5585 If the part is already shown, hide the part. If N is nil, view
5588 (with-current-buffer gnus-article-buffer
5589 (or (numberp n) (setq n (gnus-article-mime-match-handle-first
5590 gnus-article-mime-match-handle-function)))
5591 (when (> n (length gnus-article-mime-handle-alist))
5592 (error "No such part"))
5593 (let ((handle (cdr (assq n gnus-article-mime-handle-alist))))
5594 (when (gnus-article-goto-part n)
5595 (if (equal (car handle) "multipart/alternative")
5597 (beginning-of-line) ;; Make it toggle subparts
5598 (gnus-article-press-button))
5599 (when (eq (gnus-mm-display-part handle) 'internal)
5600 (gnus-set-window-start)))))))
5602 (defsubst gnus-article-mime-total-parts ()
5603 (if (bufferp (car gnus-article-mime-handles))
5605 (1- (length gnus-article-mime-handles))))
5607 (defun gnus-mm-display-part (handle)
5608 "Display HANDLE and fix MIME button."
5609 (let ((id (get-text-property (point) 'gnus-part))
5611 (inhibit-read-only t))
5614 (let ((window (selected-window))
5615 (mail-parse-charset gnus-newsgroup-charset)
5616 (mail-parse-ignored-charsets
5617 (if (gnus-buffer-live-p gnus-summary-buffer)
5618 (with-current-buffer gnus-summary-buffer
5619 gnus-newsgroup-ignored-charsets)
5623 (let ((win (gnus-get-buffer-window (current-buffer) t))
5626 (select-window win))
5629 (if (mm-handle-displayed-p handle)
5630 ;; This will remove the part.
5631 (mm-display-part handle)
5633 (narrow-to-region (point)
5634 (if (eobp) (point) (1+ (point))))
5635 (gnus-bind-safe-url-regexp (mm-display-part handle))
5636 ;; We narrow to the part itself and
5637 ;; then call the treatment functions.
5638 (goto-char (point-min))
5640 (narrow-to-region (point) (point-max))
5643 (gnus-article-mime-total-parts)
5644 (mm-handle-media-type handle)))))
5645 (if (window-live-p window)
5646 (select-window window)))))
5649 (gnus-insert-mime-button
5650 handle id (list (mm-handle-displayed-p handle)))
5651 (goto-char point))))
5653 (defun gnus-article-goto-part (n)
5654 "Go to MIME part N."
5655 (when gnus-break-pages
5658 (let ((start (text-property-any (point-min) (point-max) 'gnus-part n))
5659 part handle end next handles)
5662 (if (setq handle (get-text-property start 'gnus-data))
5664 ;; Go to the displayed subpart, assuming this is
5665 ;; multipart/alternative.
5668 (while (and (not handle)
5671 (setq next (text-property-not-all part end
5674 handle (get-text-property part 'gnus-data))
5675 (push (cons handle part) handles)
5676 (unless (mm-handle-displayed-p handle)
5678 part (text-property-any part end 'gnus-data nil))))
5680 ;; No subpart is displayed, so we find preferred one.
5682 (cdr (assq (mm-preferred-alternative
5683 (nreverse (mapcar 'car handles)))
5686 (goto-char (1+ part))
5688 (when gnus-break-pages
5689 (gnus-narrow-to-page))))
5691 (defun gnus-insert-mime-button (handle gnus-tmp-id &optional displayed)
5692 (let ((gnus-tmp-name
5693 (or (mm-handle-filename handle)
5694 (mail-content-type-get (mm-handle-type handle) 'url)
5696 (gnus-tmp-type (mm-handle-media-type handle))
5697 (gnus-tmp-description (or (mm-handle-description handle) ""))
5699 (if (if displayed (car displayed)
5700 (mm-handle-displayed-p handle))
5702 (gnus-tmp-length (with-current-buffer (mm-handle-buffer handle)
5704 gnus-tmp-type-long b e)
5705 (when (string-match ".*/" gnus-tmp-name)
5706 (setq gnus-tmp-name (replace-match "" t t gnus-tmp-name)))
5707 (setq gnus-tmp-type-long (concat gnus-tmp-type
5708 (and (not (equal gnus-tmp-name ""))
5709 (concat "; " gnus-tmp-name))))
5710 (unless (equal gnus-tmp-description "")
5711 (setq gnus-tmp-type-long (concat " --- " gnus-tmp-type-long)))
5716 gnus-mime-button-line-format gnus-mime-button-line-format-alist
5717 `(keymap ,gnus-mime-button-map
5718 gnus-callback gnus-mm-display-part
5719 gnus-part ,gnus-tmp-id
5720 article-type annotation
5724 ;; Exclude a newline.
5727 (when gnus-article-button-face
5728 (gnus-overlay-put (gnus-make-overlay b e nil t)
5729 'face gnus-article-button-face))
5730 (widget-convert-button
5733 :action 'gnus-widget-press-button
5734 :button-keymap gnus-mime-button-map
5737 ;; Needed to properly clear the message due to a bug in
5738 ;; wid-edit (XEmacs only).
5739 (if (boundp 'help-echo-owns-message)
5740 (setq help-echo-owns-message t))
5742 "%S: %s the MIME part; %S: more options"
5743 (aref gnus-mouse-2 0)
5744 (if (mm-handle-displayed-p (widget-get widget :mime-handle))
5746 (aref gnus-down-mouse-3 0))))))
5748 (defun gnus-widget-press-button (elems el)
5749 (goto-char (widget-get elems :from))
5750 (gnus-article-press-button))
5752 (defvar gnus-displaying-mime nil)
5754 (defun gnus-display-mime (&optional ihandles)
5755 "Display the MIME parts."
5757 (save-selected-window
5758 (let ((window (get-buffer-window gnus-article-buffer))
5761 (select-window window)
5762 ;; We have to do this since selecting the window
5763 ;; may change the point. So we set the window point.
5764 (set-window-point window point)))
5765 (let ((handles ihandles)
5766 (inhibit-read-only t)
5769 ((setq handles (mm-dissect-buffer nil gnus-article-loose-mime))
5770 (when gnus-article-emulate-mime
5771 (mm-uu-dissect-text-parts handles)))
5772 (gnus-article-emulate-mime
5773 (setq handles (mm-uu-dissect))))
5774 (when (and (not ihandles)
5775 (not gnus-displaying-mime))
5776 ;; Top-level call; we clean up.
5777 (when gnus-article-mime-handles
5778 (mm-destroy-parts gnus-article-mime-handles)
5779 (setq gnus-article-mime-handle-alist nil));; A trick.
5780 (setq gnus-article-mime-handles handles)
5781 ;; We allow users to glean info from the handles.
5782 (when gnus-article-mime-part-function
5783 (gnus-mime-part-function handles)))
5785 (or (not (stringp (car handles)))
5788 (when (and (not ihandles)
5789 (not gnus-displaying-mime))
5790 ;; Clean up for mime parts.
5792 (delete-region (point) (point-max)))
5793 (let ((gnus-displaying-mime t))
5794 (gnus-mime-display-part handles)))
5797 (narrow-to-region (point) (point-max))
5798 (gnus-treat-article nil 1 1 "text/plain")
5801 ;; Highlight the headers.
5805 (narrow-to-region (point-min) (point))
5806 (gnus-article-save-original-date
5807 (gnus-treat-article 'head)))))))
5808 ;; Cope with broken MIME messages.
5809 (goto-char (point-max))
5813 (defcustom gnus-mime-display-multipart-as-mixed nil
5814 "Display \"multipart\" parts as \"multipart/mixed\".
5816 If t, it overrides nil values of
5817 `gnus-mime-display-multipart-alternative-as-mixed' and
5818 `gnus-mime-display-multipart-related-as-mixed'."
5819 :group 'gnus-article-mime
5822 (defcustom gnus-mime-display-multipart-alternative-as-mixed nil
5823 "Display \"multipart/alternative\" parts as \"multipart/mixed\"."
5825 :group 'gnus-article-mime
5828 (defcustom gnus-mime-display-multipart-related-as-mixed nil
5829 "Display \"multipart/related\" parts as \"multipart/mixed\".
5831 If displaying \"text/html\" is discouraged \(see
5832 `mm-discouraged-alternatives'\) images or other material inside a
5833 \"multipart/related\" part might be overlooked when this variable is nil."
5835 :group 'gnus-article-mime
5838 (defun gnus-mime-display-part (handle)
5840 ;; Maybe a broken MIME message.
5843 ((not (stringp (car handle)))
5844 (gnus-mime-display-single handle))
5845 ;; User-defined multipart
5846 ((cdr (assoc (car handle) gnus-mime-multipart-functions))
5847 (funcall (cdr (assoc (car handle) gnus-mime-multipart-functions))
5849 ;; multipart/alternative
5850 ((and (equal (car handle) "multipart/alternative")
5851 (not (or gnus-mime-display-multipart-as-mixed
5852 gnus-mime-display-multipart-alternative-as-mixed)))
5853 (let ((id (1+ (length gnus-article-mime-handle-alist))))
5854 (push (cons id handle) gnus-article-mime-handle-alist)
5855 (gnus-mime-display-alternative (cdr handle) nil nil id)))
5856 ;; multipart/related
5857 ((and (equal (car handle) "multipart/related")
5858 (not (or gnus-mime-display-multipart-as-mixed
5859 gnus-mime-display-multipart-related-as-mixed)))
5860 ;;;!!!We should find the start part, but we just default
5861 ;;;!!!to the first part.
5862 ;;(gnus-mime-display-part (cadr handle))
5863 ;;;!!! Most multipart/related is an HTML message plus images.
5864 ;;;!!! Unfortunately we are unable to let W3 display those
5865 ;;;!!! included images, so we just display it as a mixed multipart.
5866 ;;(gnus-mime-display-mixed (cdr handle))
5867 ;;;!!! No, w3 can display everything just fine.
5868 (gnus-mime-display-part (cadr handle)))
5869 ((equal (car handle) "multipart/signed")
5870 (gnus-add-wash-type 'signed)
5871 (gnus-mime-display-security handle))
5872 ((equal (car handle) "multipart/encrypted")
5873 (gnus-add-wash-type 'encrypted)
5874 (gnus-mime-display-security handle))
5875 ;; Other multiparts are handled like multipart/mixed.
5877 (gnus-mime-display-mixed (cdr handle)))))
5879 (defun gnus-mime-part-function (handles)
5880 (if (stringp (car handles))
5881 (mapcar 'gnus-mime-part-function (cdr handles))
5882 (funcall gnus-article-mime-part-function handles)))
5884 (defun gnus-mime-display-mixed (handles)
5885 (mapcar 'gnus-mime-display-part handles))
5887 (defun gnus-mime-display-single (handle)
5888 (let ((type (mm-handle-media-type handle))
5889 (ignored gnus-ignored-mime-types)
5896 (when (string-match (pop ignored) type)
5897 (throw 'ignored nil)))
5898 (if (and (not (and (if (gnus-buffer-live-p gnus-summary-buffer)
5899 (with-current-buffer gnus-summary-buffer
5900 gnus-inhibit-images)
5901 gnus-inhibit-images)
5902 (string-match "\\`image/" type)))
5903 (setq not-attachment
5904 (and (not (mm-inline-override-p handle))
5905 (or (not (mm-handle-disposition handle))
5906 (equal (car (mm-handle-disposition handle))
5908 (mm-attachment-override-p handle))))
5909 (mm-automatic-display-p handle)
5911 (mm-inlinable-p handle)
5912 (mm-inlined-p handle))
5913 (mm-automatic-external-display-p type)))
5915 (when (equal (mm-handle-media-supertype handle) "text")
5917 (let ((id (1+ (length gnus-article-mime-handle-alist)))
5919 (push (cons id handle) gnus-article-mime-handle-alist)
5921 (equal (mm-handle-media-supertype handle) "message"))
5924 (cond ((not (bolp)) 2)
5925 ((or (bobp) (eq (char-before (1- (point))) ?\n)) 0)
5927 (when (or (not display)
5928 (not (gnus-unbuttonized-mime-type-p type))
5929 (eq id gnus-mime-buttonized-part-id))
5930 (gnus-insert-mime-button
5931 handle id (list (or display (and not-attachment text))))
5932 (gnus-article-insert-newline)
5933 ;; Remember modify the number of forward lines.
5941 (let ((mail-parse-charset gnus-newsgroup-charset)
5942 (mail-parse-ignored-charsets
5943 (save-excursion (condition-case ()
5944 (set-buffer gnus-summary-buffer)
5946 gnus-newsgroup-ignored-charsets)))
5947 (gnus-bind-safe-url-regexp (mm-display-part handle t)))
5948 (goto-char (point-max)))
5949 ((and text not-attachment)
5953 (gnus-article-insert-newline)
5954 (mm-display-inline handle)
5955 (goto-char (point-max))))
5959 (narrow-to-region beg (point))
5960 (if (eq handle gnus-article-mime-handles)
5961 ;; The format=flowed case.
5962 (gnus-treat-article nil 1 1 (mm-handle-media-type handle))
5963 ;; Don't count signature parts that are never displayed.
5964 ;; The part number should be re-calculated supposing this
5965 ;; might be a message/rfc822 part.