1 ;;; gnus-art.el --- article mode commands for Gnus
3 ;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
4 ;; 2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
6 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
9 ;; This file is part of GNU Emacs.
11 ;; GNU Emacs is free software: you can redistribute it and/or modify
12 ;; it under the terms of the GNU General Public License as published by
13 ;; the Free Software Foundation, either version 3 of the License, or
14 ;; (at your option) any later version.
16 ;; GNU Emacs is distributed in the hope that it will be useful,
17 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 ;; GNU General Public License for more details.
21 ;; You should have received a copy of the GNU General Public License
22 ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
28 ;; For Emacs <22.2 and XEmacs.
30 (unless (fboundp 'declare-function) (defmacro declare-function (&rest r))))
34 (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 :custom-show nil
169 :group 'gnus-article-hiding)
171 (defcustom gnus-visible-headers
172 "^From:\\|^Newsgroups:\\|^Subject:\\|^Date:\\|^Followup-To:\\|^Reply-To:\\|^Organization:\\|^Summary:\\|^Keywords:\\|^To:\\|^[BGF]?Cc:\\|^Posted-To:\\|^Mail-Copies-To:\\|^Mail-Followup-To:\\|^Apparently-To:\\|^Gnus-Warning:\\|^Resent-From:\\|^X-Sent:"
173 "*All headers that do not match this regexp will be hidden.
174 This variable can also be a list of regexp of headers to remain visible.
175 If this variable is non-nil, `gnus-ignored-headers' will be ignored."
177 (repeat :value-to-internal (lambda (widget value)
178 (custom-split-regexp-maybe value))
179 :match (lambda (widget value)
181 (widget-editable-list-match widget value)))
183 (const :tag "Use gnus-ignored-headers" nil)
185 :group 'gnus-article-hiding)
187 (defcustom gnus-sorted-header-list
188 '("^From:" "^Subject:" "^Summary:" "^Keywords:" "^Newsgroups:"
189 "^Followup-To:" "^To:" "^Cc:" "^Date:" "^Organization:")
190 "*This variable is a list of regular expressions.
191 If it is non-nil, headers that match the regular expressions will
192 be placed first in the article buffer in the sequence specified by
194 :type '(repeat regexp)
195 :group 'gnus-article-hiding)
197 (defcustom gnus-boring-article-headers '(empty followup-to reply-to)
198 "Headers that are only to be displayed if they have interesting data.
199 Possible values in this list are:
201 'empty Headers with no content.
202 'newsgroups Newsgroup identical to Gnus group.
203 'to-address To identical to To-address.
204 'to-list To identical to To-list.
205 'cc-list CC identical to To-list.
206 'followup-to Followup-to identical to Newsgroups.
207 'reply-to Reply-to identical to From.
208 'date Date less than four days old.
209 'long-to To and/or Cc longer than 1024 characters.
210 'many-to Multiple To and/or Cc."
211 :type '(set (const :tag "Headers with no content." empty)
212 (const :tag "Newsgroups identical to Gnus group." newsgroups)
213 (const :tag "To identical to To-address." to-address)
214 (const :tag "To identical to To-list." to-list)
215 (const :tag "CC identical to To-list." cc-list)
216 (const :tag "Followup-to identical to Newsgroups." followup-to)
217 (const :tag "Reply-to identical to From." reply-to)
218 (const :tag "Date less than four days old." date)
219 (const :tag "To and/or Cc longer than 1024 characters." long-to)
220 (const :tag "Multiple To and/or Cc headers." many-to))
221 :group 'gnus-article-hiding)
223 (defcustom gnus-article-skip-boring nil
224 "Skip over text that is not worth reading.
225 By default, if you set this t, then Gnus will display citations and
226 signatures, but will never scroll down to show you a page consisting
227 only of boring text. Boring text is controlled by
228 `gnus-article-boring-faces'."
231 :group 'gnus-article-hiding)
233 (defcustom gnus-signature-separator '("^-- $" "^-- *$")
234 "Regexp matching signature separator.
235 This can also be a list of regexps. In that case, it will be checked
236 from head to tail looking for a separator. Searches will be done from
237 the end of the buffer."
238 :type '(choice :format "%{%t%}: %[Value Menu%]\n%v"
240 (repeat :tag "List of regexp" regexp))
241 :group 'gnus-article-signature)
243 (defcustom gnus-signature-limit nil
244 "Provide a limit to what is considered a signature.
245 If it is a number, no signature may not be longer (in characters) than
246 that number. If it is a floating point number, no signature may be
247 longer (in lines) than that number. If it is a function, the function
248 will be called without any parameters, and if it returns nil, there is
249 no signature in the buffer. If it is a string, it will be used as a
250 regexp. If it matches, the text in question is not a signature.
252 This can also be a list of the above values."
253 :type '(choice (const nil)
257 (regexp :value ".*"))
258 :group 'gnus-article-signature)
260 (defcustom gnus-hidden-properties '(invisible t intangible t)
261 "Property list to use for hiding text."
263 :group 'gnus-article-hiding)
265 ;; Fixme: This isn't the right thing for mixed graphical and non-graphical
266 ;; frames in a session.
267 (defcustom gnus-article-x-face-command
268 (if (featurep 'xemacs)
269 (if (or (gnus-image-type-available-p 'xface)
270 (gnus-image-type-available-p 'pbm))
271 'gnus-display-x-face-in-from
272 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | ee -")
273 (if (gnus-image-type-available-p 'pbm)
274 'gnus-display-x-face-in-from
275 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | \
277 "*String or function to be executed to display an X-Face header.
278 If it is a string, the command will be executed in a sub-shell
279 asynchronously. The compressed face will be piped to this command."
280 :type `(choice string
281 (function-item gnus-display-x-face-in-from)
285 :group 'gnus-article-washing)
287 (defcustom gnus-article-x-face-too-ugly nil
288 "Regexp matching posters whose face shouldn't be shown automatically."
289 :type '(choice regexp (const nil))
290 :group 'gnus-article-washing)
292 (defcustom gnus-article-banner-alist nil
293 "Banner alist for stripping.
295 ((egroups . \"^[ \\t\\n]*-------------------+\\\\( \\\\(e\\\\|Yahoo! \\\\)Groups Sponsor -+\\\\)?....\\n\\\\(.+\\n\\\\)+\"))"
297 :type '(repeat (cons symbol regexp))
298 :group 'gnus-article-washing)
300 (gnus-define-group-parameter
303 "Alist of regexps (to match group names) and banner."
304 :variable-group gnus-article-washing
306 '(choice :tag "Banner"
308 (const :tag "Remove signature" signature)
309 (symbol :tag "Item in `gnus-article-banner-alist'" none)
311 (const :tag "None" nil))
313 "If non-nil, specify how to remove `banners' from articles.
315 Symbol `signature' means to remove signatures delimited by
316 `gnus-signature-separator'. Any other symbol is used to look up a
317 regular expression to match the banner in `gnus-article-banner-alist'.
318 A string is used as a regular expression to match the banner
321 (defcustom gnus-article-address-banner-alist nil
322 "Alist of mail addresses and banners.
323 Each element has the form (ADDRESS . BANNER), where ADDRESS is a regexp
324 to match a mail address in the From: header, BANNER is one of a symbol
325 `signature', an item in `gnus-article-banner-alist', a regexp and nil.
326 If ADDRESS matches author's mail address, it will remove things like
327 advertisements. For example:
329 \((\"@yoo-hoo\\\\.co\\\\.jp\\\\'\" . \"\\n_+\\nDo You Yoo-hoo!\\\\?\\n.*\\n.*\\n\"))
333 (regexp :tag "Address")
334 (choice :tag "Banner" :value nil
335 (const :tag "Remove signature" signature)
336 (symbol :tag "Item in `gnus-article-banner-alist'" none)
338 (const :tag "None" nil))))
340 :group 'gnus-article-washing)
342 (defmacro gnus-emphasis-custom-with-format (&rest body)
344 \\(\\s-\\|^\\|\\=\\|[-\"]\\|\\s(\\)\\(%s\\(\\w+\\(\\s-+\\w+\\)*[.,]?\\)%s\\)\
345 \\(\\([-,.;:!?\"]\\|\\s)\\)+\\s-\\|[?!.]\\s-\\|\\s)\\|\\s-\\)"))
348 (defun gnus-emphasis-custom-value-to-external (value)
349 (gnus-emphasis-custom-with-format
350 (if (consp (car value))
351 (list (format format (car (car value)) (cdr (car value)))
353 (if (nth 1 value) 2 3)
357 (defun gnus-emphasis-custom-value-to-internal (value)
358 (gnus-emphasis-custom-with-format
359 (let ((regexp (concat "\\`"
360 (format (regexp-quote format)
361 "\\([^()]+\\)" "\\([^()]+\\)")
364 (if (string-match regexp (setq pattern (car value)))
365 (list (cons (match-string 1 pattern) (match-string 2 pattern))
370 (defcustom gnus-emphasis-alist
372 '(("\\*" "\\*" bold nil 2)
375 ("_/" "/_" underline-italic)
376 ("_\\*" "\\*_" underline-bold)
377 ("\\*/" "/\\*" bold-italic)
378 ("_\\*/" "/\\*_" underline-bold-italic))))
380 (gnus-emphasis-custom-with-format
381 (mapcar (lambda (spec)
382 (list (format format (car spec) (cadr spec))
385 (intern (format "gnus-emphasis-%s" (nth 2 spec)))))
387 '(;; I've never seen anyone use this strikethru convention whereas I've
388 ;; several times seen it triggered by normal text. --Stef
389 ;; Miles suggests that this form is sometimes used but for italics,
390 ;; so maybe we should map it to `italic'.
391 ;; ("\\(\\s-\\|^\\)\\(-\\(\\(\\w\\|-[^-]\\)+\\)-\\)\\(\\s-\\|[?!.,;]\\)"
392 ;; 2 3 gnus-emphasis-strikethru)
393 ("\\(\\s-\\|^\\)\\(_\\(\\(\\w\\|_[^_]\\)+\\)_\\)\\(\\s-\\|[?!.,;]\\)"
394 2 3 gnus-emphasis-underline))))
395 "*Alist that says how to fontify certain phrases.
396 Each item looks like this:
398 (\"_\\\\(\\\\w+\\\\)_\" 0 1 'underline)
400 The first element is a regular expression to be matched. The second
401 is a number that says what regular expression grouping used to find
402 the entire emphasized word. The third is a number that says what
403 regexp grouping should be displayed and highlighted. The fourth
404 is the face used for highlighting."
408 :format "%[Customizing Style%]\n%v"
410 (group :tag "Default"
411 :value ("" 0 0 default)
414 (let ((value (widget-get
415 (cadr (widget-get (widget-get widget :parent)
418 (if (not (eq (nth 2 value) 'default))
422 (gnus-emphasis-custom-value-to-external value))))
423 (widget-group-value-create widget))
425 (integer :format "Match group: %v")
426 (integer :format "Emphasize group: %v")
429 :value (("_" . "_") nil default)
431 (regexp :format "Start regexp: %v")
432 (regexp :format "End regexp: %v"))
433 (boolean :format "Show start and end patterns: %[%v%]\n"
434 :on " On " :off " Off ")
436 :get (lambda (symbol)
437 (mapcar 'gnus-emphasis-custom-value-to-internal
438 (default-value symbol)))
439 :set (lambda (symbol value)
440 (set-default symbol (mapcar 'gnus-emphasis-custom-value-to-external
442 :group 'gnus-article-emphasis)
444 (defcustom gnus-emphasize-whitespace-regexp "^[ \t]+\\|[ \t]*\n"
445 "A regexp to describe whitespace which should not be emphasized.
446 Typical values are \"^[ \\t]+\\\\|[ \\t]*\\n\" and \"[ \\t]+\\\\|[ \\t]*\\n\".
447 The former avoids underlining of leading and trailing whitespace,
448 and the latter avoids underlining any whitespace at all."
450 :group 'gnus-article-emphasis
453 (defface gnus-emphasis-bold '((t (:bold t)))
454 "Face used for displaying strong emphasized text (*word*)."
455 :group 'gnus-article-emphasis)
457 (defface gnus-emphasis-italic '((t (:italic t)))
458 "Face used for displaying italic emphasized text (/word/)."
459 :group 'gnus-article-emphasis)
461 (defface gnus-emphasis-underline '((t (:underline t)))
462 "Face used for displaying underlined emphasized text (_word_)."
463 :group 'gnus-article-emphasis)
465 (defface gnus-emphasis-underline-bold '((t (:bold t :underline t)))
466 "Face used for displaying underlined bold emphasized text (_*word*_)."
467 :group 'gnus-article-emphasis)
469 (defface gnus-emphasis-underline-italic '((t (:italic t :underline t)))
470 "Face used for displaying underlined italic emphasized text (_/word/_)."
471 :group 'gnus-article-emphasis)
473 (defface gnus-emphasis-bold-italic '((t (:bold t :italic t)))
474 "Face used for displaying bold italic emphasized text (/*word*/)."
475 :group 'gnus-article-emphasis)
477 (defface gnus-emphasis-underline-bold-italic
478 '((t (:bold t :italic t :underline t)))
479 "Face used for displaying underlined bold italic emphasized text.
480 Example: (_/*word*/_)."
481 :group 'gnus-article-emphasis)
483 (defface gnus-emphasis-strikethru (if (featurep 'xemacs)
484 '((t (:strikethru t)))
485 '((t (:strike-through t))))
486 "Face used for displaying strike-through text (-word-)."
487 :group 'gnus-article-emphasis)
489 (defface gnus-emphasis-highlight-words
490 '((t (:background "black" :foreground "yellow")))
491 "Face used for displaying highlighted words."
492 :group 'gnus-article-emphasis)
494 (defcustom gnus-article-time-format "%a, %d %b %Y %T %Z"
495 "Format for display of Date headers in article bodies.
496 See `format-time-string' for the possible values.
498 The variable can also be function, which should return a complete Date
499 header. The function is called with one argument, the time, which can
500 be fed to `format-time-string'."
501 :type '(choice string function)
502 :link '(custom-manual "(gnus)Article Date")
503 :group 'gnus-article-washing)
505 (defcustom gnus-save-all-headers t
506 "*If non-nil, don't remove any headers before saving.
507 This will be overridden by the `:headers' property that the symbol of
508 the saver function, which is specified by `gnus-default-article-saver',
510 :group 'gnus-article-saving
513 (defcustom gnus-prompt-before-saving 'always
514 "*This variable says how much prompting is to be done when saving articles.
515 If it is nil, no prompting will be done, and the articles will be
516 saved to the default files. If this variable is `always', each and
517 every article that is saved will be preceded by a prompt, even when
518 saving large batches of articles. If this variable is neither nil not
519 `always', there the user will be prompted once for a file name for
520 each invocation of the saving commands."
521 :group 'gnus-article-saving
522 :type '(choice (item always)
523 (item :tag "never" nil)
524 (sexp :tag "once" :format "%t\n" :value t)))
526 (defcustom gnus-saved-headers gnus-visible-headers
527 "Headers to keep if `gnus-save-all-headers' is nil.
528 If `gnus-save-all-headers' is non-nil, this variable will be ignored.
529 If that variable is nil, however, all headers that match this regexp
530 will be kept while the rest will be deleted before saving. This and
531 `gnus-save-all-headers' will be overridden by the `:headers' property
532 that the symbol of the saver function, which is specified by
533 `gnus-default-article-saver', might have."
534 :group 'gnus-article-saving
537 ;; Note that "Rmail format" is mbox since Emacs 23, but Babyl before.
538 (defcustom gnus-default-article-saver 'gnus-summary-save-in-rmail
539 "A function to save articles in your favourite format.
540 The function will be called by way of the `gnus-summary-save-article'
541 command, and friends such as `gnus-summary-save-article-rmail'.
543 Gnus provides the following functions:
545 * gnus-summary-save-in-rmail (Rmail format)
546 * gnus-summary-save-in-mail (Unix mail format)
547 * gnus-summary-save-in-folder (MH folder)
548 * gnus-summary-save-in-file (article format)
549 * gnus-summary-save-body-in-file (article body)
550 * gnus-summary-save-in-vm (use VM's folder format)
551 * gnus-summary-write-to-file (article format -- overwrite)
552 * gnus-summary-write-body-to-file (article body -- overwrite)
553 * gnus-summary-save-in-pipe (article format)
555 The symbol of each function may have the following properties:
558 The value non-nil means save decoded articles. This is meaningful
559 only with `gnus-summary-save-in-file', `gnus-summary-save-body-in-file',
560 `gnus-summary-write-to-file', `gnus-summary-write-body-to-file', and
561 `gnus-summary-save-in-pipe'.
564 The value specifies an alternative function which appends, not
565 overwrites, articles to a file. This implies that when saving many
566 articles at a time, `gnus-prompt-before-saving' is bound to t and all
567 articles are saved in a single file. This is meaningful only with
568 `gnus-summary-write-to-file' and `gnus-summary-write-body-to-file'.
571 The value specifies the symbol of a variable of which the value
572 specifies headers to be saved. If it is omitted,
573 `gnus-save-all-headers' and `gnus-saved-headers' control what
574 headers should be saved."
575 :group 'gnus-article-saving
576 :type '(radio (function-item gnus-summary-save-in-rmail)
577 (function-item gnus-summary-save-in-mail)
578 (function-item gnus-summary-save-in-folder)
579 (function-item gnus-summary-save-in-file)
580 (function-item gnus-summary-save-body-in-file)
581 (function-item gnus-summary-save-in-vm)
582 (function-item gnus-summary-write-to-file)
583 (function-item gnus-summary-write-body-to-file)
584 (function-item gnus-summary-save-in-pipe)
587 (defcustom gnus-article-save-coding-system
588 (or (and (mm-coding-system-p 'utf-8) 'utf-8)
589 (and (mm-coding-system-p 'iso-2022-7bit) 'iso-2022-7bit)
590 (and (mm-coding-system-p 'emacs-mule) 'emacs-mule)
591 (and (mm-coding-system-p 'escape-quoted) 'escape-quoted))
592 "Coding system used to save decoded articles to a file.
594 The recommended coding systems are `utf-8', `iso-2022-7bit' and so on,
595 which can safely encode any characters in text. This is used by the
598 * gnus-summary-save-article-file
599 * gnus-summary-save-article-body-file
600 * gnus-summary-write-article-file
601 * gnus-summary-write-article-body-file
603 and the functions to which you may set `gnus-default-article-saver':
605 * gnus-summary-save-in-file
606 * gnus-summary-save-body-in-file
607 * gnus-summary-write-to-file
608 * gnus-summary-write-body-to-file
610 Those commands and functions save just text displayed in the article
611 buffer to a file if the value of this variable is non-nil. Note that
612 buttonized MIME parts will be lost in a saved file in that case.
613 Otherwise, raw articles will be saved."
614 :group 'gnus-article-saving
616 :format "%{%t%}:\n %[Value Menu%] %v"
617 (const :tag "Save raw articles" nil)
620 (lambda (arg) (if (mm-coding-system-p (nth 3 arg)) arg))
621 '((const :tag "UTF-8" utf-8)
622 (const :tag "iso-2022-7bit" iso-2022-7bit)
623 (const :tag "Emacs internal" emacs-mule)
624 (const :tag "escape-quoted" escape-quoted))))
625 (symbol :tag "Coding system")))
627 (defcustom gnus-rmail-save-name 'gnus-plain-save-name
628 "A function generating a file name to save articles in Rmail format.
629 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
630 :group 'gnus-article-saving
633 (defcustom gnus-mail-save-name 'gnus-plain-save-name
634 "A function generating a file name to save articles in Unix mail format.
635 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
636 :group 'gnus-article-saving
639 (defcustom gnus-folder-save-name 'gnus-folder-save-name
640 "A function generating a file name to save articles in MH folder.
641 The function is called with NEWSGROUP, HEADERS, and optional LAST-FOLDER."
642 :group 'gnus-article-saving
645 (defcustom gnus-file-save-name 'gnus-numeric-save-name
646 "A function generating a file name to save articles in article format.
647 The function is called with NEWSGROUP, HEADERS, and optional
649 :group 'gnus-article-saving
652 (defcustom gnus-split-methods
653 '((gnus-article-archive-name)
654 (gnus-article-nndoc-name))
655 "*Variable used to suggest where articles are to be saved.
656 For instance, if you would like to save articles related to Gnus in
657 the file \"gnus-stuff\", and articles related to VM in \"vm-stuff\",
658 you could set this variable to something like:
660 '((\"^Subject:.*gnus\\|^Newsgroups:.*gnus\" \"gnus-stuff\")
661 (\"^Subject:.*vm\\|^Xref:.*vm\" \"vm-stuff\"))
663 This variable is an alist where the key is the match and the
664 value is a list of possible files to save in if the match is
667 If the match is a string, it is used as a regexp match on the
668 article. If the match is a symbol, that symbol will be funcalled
669 from the buffer of the article to be saved with the newsgroup as the
670 parameter. If it is a list, it will be evaled in the same buffer.
672 If this form or function returns a string, this string will be used as a
673 possible file name; and if it returns a non-nil list, that list will be
674 used as possible file names."
675 :group 'gnus-article-saving
676 :type '(repeat (choice (list :value (fun) function)
677 (cons :value ("" "") regexp (repeat string))
680 (defcustom gnus-page-delimiter "^\^L"
681 "*Regexp describing what to use as article page delimiters.
682 The default value is \"^\^L\", which is a form linefeed at the
683 beginning of a line."
685 :group 'gnus-article-various)
687 (defcustom gnus-article-mode-line-format "Gnus: %g [%w] %S%m"
688 "*The format specification for the article mode line.
689 See `gnus-summary-mode-line-format' for a closer description.
691 The following additional specs are available:
693 %w The article washing status.
694 %m The number of MIME parts in the article."
696 :group 'gnus-article-various)
698 (defcustom gnus-article-mode-hook nil
699 "*A hook for Gnus article mode."
701 :group 'gnus-article-various)
703 (when (featurep 'xemacs)
704 ;; Extracted from gnus-xmas-define in order to preserve user settings
705 (when (fboundp 'turn-off-scroll-in-place)
706 (add-hook 'gnus-article-mode-hook 'turn-off-scroll-in-place))
707 ;; Extracted from gnus-xmas-redefine in order to preserve user settings
708 (add-hook 'gnus-article-mode-hook 'gnus-xmas-article-menu-add))
710 (defcustom gnus-article-menu-hook nil
711 "*Hook run after the creation of the article mode menu."
713 :group 'gnus-article-various)
715 (defcustom gnus-article-prepare-hook nil
716 "*A hook called after an article has been prepared in the article buffer."
718 :group 'gnus-article-various)
720 (defcustom gnus-copy-article-ignored-headers nil
721 "List of headers to be removed when copying an article.
722 Each element is a regular expression."
723 :version "23.1" ;; No Gnus
724 :type '(repeat regexp)
725 :group 'gnus-article-various)
727 (make-obsolete-variable 'gnus-article-hide-pgp-hook nil
728 "Gnus 5.10 (Emacs 22.1)")
731 '((t (:weight bold)))
732 "Face used for highlighting a button in the article buffer."
733 :group 'gnus-article-buttons)
735 (defcustom gnus-article-button-face 'gnus-button
736 "Face used for highlighting buttons in the article buffer.
738 An article button is a piece of text that you can activate by pressing
739 `RET' or `mouse-2' above it."
741 :group 'gnus-article-buttons)
743 (defcustom gnus-article-mouse-face 'highlight
744 "Face used for mouse highlighting in the article buffer.
746 Article buttons will be displayed in this face when the cursor is
749 :group 'gnus-article-buttons)
751 (defcustom gnus-signature-face 'gnus-signature
752 "Face used for highlighting a signature in the article buffer.
753 Obsolete; use the face `gnus-signature' for customizations instead."
755 :group 'gnus-article-highlight
756 :group 'gnus-article-signature)
758 (defface gnus-signature
761 "Face used for highlighting a signature in the article buffer."
762 :group 'gnus-article-highlight
763 :group 'gnus-article-signature)
764 ;; backward-compatibility alias
765 (put 'gnus-signature-face 'face-alias 'gnus-signature)
766 (put 'gnus-signature-face 'obsolete-face "22.1")
768 (defface gnus-header-from
771 (:foreground "PaleGreen1"))
774 (:foreground "red3"))
777 "Face used for displaying from headers."
778 :group 'gnus-article-headers
779 :group 'gnus-article-highlight)
780 ;; backward-compatibility alias
781 (put 'gnus-header-from-face 'face-alias 'gnus-header-from)
782 (put 'gnus-header-from-face 'obsolete-face "22.1")
784 (defface gnus-header-subject
787 (:foreground "SeaGreen1"))
790 (:foreground "red4"))
792 (:bold t :italic t)))
793 "Face used for displaying subject headers."
794 :group 'gnus-article-headers
795 :group 'gnus-article-highlight)
796 ;; backward-compatibility alias
797 (put 'gnus-header-subject-face 'face-alias 'gnus-header-subject)
798 (put 'gnus-header-subject-face 'obsolete-face "22.1")
800 (defface gnus-header-newsgroups
803 (:foreground "yellow" :italic t))
806 (:foreground "MidnightBlue" :italic t))
809 "Face used for displaying newsgroups headers.
810 In the default setup this face is only used for crossposted
812 :group 'gnus-article-headers
813 :group 'gnus-article-highlight)
814 ;; backward-compatibility alias
815 (put 'gnus-header-newsgroups-face 'face-alias 'gnus-header-newsgroups)
816 (put 'gnus-header-newsgroups-face 'obsolete-face "22.1")
818 (defface gnus-header-name
821 (:foreground "SpringGreen2"))
824 (:foreground "maroon"))
827 "Face used for displaying header names."
828 :group 'gnus-article-headers
829 :group 'gnus-article-highlight)
830 ;; backward-compatibility alias
831 (put 'gnus-header-name-face 'face-alias 'gnus-header-name)
832 (put 'gnus-header-name-face 'obsolete-face "22.1")
834 (defface gnus-header-content
837 (:foreground "SpringGreen1" :italic t))
840 (:foreground "indianred4" :italic t))
842 (:italic t))) "Face used for displaying header content."
843 :group 'gnus-article-headers
844 :group 'gnus-article-highlight)
845 ;; backward-compatibility alias
846 (put 'gnus-header-content-face 'face-alias 'gnus-header-content)
847 (put 'gnus-header-content-face 'obsolete-face "22.1")
849 (defcustom gnus-header-face-alist
850 '(("From" nil gnus-header-from)
851 ("Subject" nil gnus-header-subject)
852 ("Newsgroups:.*," nil gnus-header-newsgroups)
853 ("" gnus-header-name gnus-header-content))
854 "*Controls highlighting of article headers.
856 An alist of the form (HEADER NAME CONTENT).
858 HEADER is a regular expression which should match the name of a
859 header and NAME and CONTENT are either face names or nil.
861 The name of each header field will be displayed using the face
862 specified by the first element in the list where HEADER matches
863 the header name and NAME is non-nil. Similarly, the content will
864 be displayed by the first non-nil matching CONTENT face."
865 :group 'gnus-article-headers
866 :group 'gnus-article-highlight
867 :type '(repeat (list (regexp :tag "Header")
869 (item :tag "skip" nil)
870 (face :value default))
871 (choice :tag "Content"
872 (item :tag "skip" nil)
873 (face :value default)))))
875 (defcustom gnus-face-properties-alist (if (featurep 'xemacs)
876 '((xface . (:face gnus-x-face)))
877 '((pbm . (:face gnus-x-face))
879 "Alist of image types and properties applied to Face and X-Face images.
882 ;; Specify the altitude of Face images in the From header.
883 \(setq gnus-face-properties-alist
884 '((pbm . (:face gnus-x-face :ascent 80))
885 (png . (:ascent 80))))
887 ;; Show Face images as pressed buttons.
888 \(setq gnus-face-properties-alist
889 '((pbm . (:face gnus-x-face :relief -2))
890 (png . (:relief -2))))
892 See the manual for the valid properties for various image types.
893 Currently, `pbm' is used for X-Face images and `png' is used for Face
894 images in Emacs. Only the `:face' property is effective on the `xface'
895 image type in XEmacs if it is built with the libcompface library."
896 :version "23.1" ;; No Gnus
897 :group 'gnus-article-headers
898 :type '(repeat (cons :format "%v" (symbol :tag "Image type") plist)))
900 (defcustom gnus-article-decode-hook
901 '(article-decode-charset article-decode-encoded-words
902 article-decode-group-name article-decode-idna-rhs)
903 "*Hook run to decode charsets in articles."
904 :group 'gnus-article-headers
907 (defcustom gnus-display-mime-function 'gnus-display-mime
908 "Function to display MIME articles."
909 :group 'gnus-article-mime
912 (defvar gnus-decode-header-function 'mail-decode-encoded-word-region
913 "Function used to decode headers.")
915 (defvar gnus-decode-address-function 'mail-decode-encoded-address-region
916 "Function used to decode addresses.")
918 (defvar gnus-article-dumbquotes-map
938 "Table for MS-to-Latin1 translation.")
940 (defcustom gnus-ignored-mime-types nil
941 "List of MIME types that should be ignored by Gnus."
943 :group 'gnus-article-mime
944 :type '(repeat regexp))
946 (defcustom gnus-unbuttonized-mime-types '(".*/.*")
947 "List of MIME types that should not be given buttons when rendered inline.
948 See also `gnus-buttonized-mime-types' which may override this variable.
949 This variable is only used when `gnus-inhibit-mime-unbuttonizing' is nil."
951 :group 'gnus-article-mime
952 :type '(repeat regexp))
954 (defcustom gnus-buttonized-mime-types nil
955 "List of MIME types that should be given buttons when rendered inline.
956 If set, this variable overrides `gnus-unbuttonized-mime-types'.
957 To see e.g. security buttons you could set this to
958 `(\"multipart/signed\")'. You could also add \"multipart/alternative\" to
959 this list to display radio buttons that allow you to choose one of two
960 media types those mails include. See also `mm-discouraged-alternatives'.
961 This variable is only used when `gnus-inhibit-mime-unbuttonizing' is nil."
963 :group 'gnus-article-mime
964 :type '(repeat regexp))
966 (defcustom gnus-inhibit-mime-unbuttonizing nil
967 "If non-nil, all MIME parts get buttons.
968 When nil (the default value), then some MIME parts do not get buttons,
969 as described by the variables `gnus-buttonized-mime-types' and
970 `gnus-unbuttonized-mime-types'."
972 :group 'gnus-article-mime
975 (defcustom gnus-body-boundary-delimiter "_"
976 "String used to delimit header and body.
977 This variable is used by `gnus-article-treat-body-boundary' which can
978 be controlled by `gnus-treat-body-boundary'."
980 :group 'gnus-article-various
981 :type '(choice (item :tag "None" :value nil)
984 (defcustom gnus-picon-databases '("/usr/lib/picon" "/usr/local/faces"
986 "Defines the location of the faces database.
987 For information on obtaining this database of pretty pictures, please
988 see http://www.cs.indiana.edu/picons/ftp/index.html"
990 :type '(repeat directory)
991 :link '(url-link :tag "download"
992 "http://www.cs.indiana.edu/picons/ftp/index.html")
993 :link '(custom-manual "(gnus)Picons")
996 (defun gnus-picons-installed-p ()
997 "Say whether picons are installed on your machine."
998 (let ((installed nil))
999 (dolist (database gnus-picon-databases)
1000 (when (file-exists-p database)
1001 (setq installed t)))
1004 (defcustom gnus-article-mime-part-function nil
1005 "Function called with a MIME handle as the argument.
1006 This is meant for people who want to do something automatic based
1007 on parts -- for instance, adding Vcard info to a database."
1008 :group 'gnus-article-mime
1009 :type '(choice (const nil)
1012 (defcustom gnus-mime-multipart-functions nil
1013 "An alist of MIME types to functions to display them."
1015 :group 'gnus-article-mime
1016 :type '(repeat (cons :format "%v" (string :tag "MIME type") function)))
1018 (defcustom gnus-article-date-lapsed-new-header nil
1019 "Whether the X-Sent and Date headers can coexist.
1020 When using `gnus-treat-date-lapsed', the \"X-Sent:\" header will
1021 either replace the old \"Date:\" header (if this variable is nil), or
1022 be added below it (otherwise)."
1024 :group 'gnus-article-headers
1027 (defcustom gnus-article-mime-match-handle-function 'undisplayed-alternative
1028 "Function called with a MIME handle as the argument.
1029 This is meant for people who want to view first matched part.
1030 For `undisplayed-alternative' (default), the first undisplayed
1031 part or alternative part is used. For `undisplayed', the first
1032 undisplayed part is used. For a function, the first part which
1033 the function return t is used. For nil, the first part is
1036 :group 'gnus-article-mime
1038 (item :tag "first" :value nil)
1039 (item :tag "undisplayed" :value undisplayed)
1040 (item :tag "undisplayed or alternative"
1041 :value undisplayed-alternative)
1044 (defcustom gnus-mime-action-alist
1045 '(("save to file" . gnus-mime-save-part)
1046 ("save and strip" . gnus-mime-save-part-and-strip)
1047 ("replace with file" . gnus-mime-replace-part)
1048 ("delete part" . gnus-mime-delete-part)
1049 ("display as text" . gnus-mime-inline-part)
1050 ("view the part" . gnus-mime-view-part)
1051 ("pipe to command" . gnus-mime-pipe-part)
1052 ("toggle display" . gnus-article-press-button)
1053 ("toggle display" . gnus-article-view-part-as-charset)
1054 ("view as type" . gnus-mime-view-part-as-type)
1055 ("view internally" . gnus-mime-view-part-internally)
1056 ("view externally" . gnus-mime-view-part-externally))
1057 "An alist of actions that run on the MIME attachment."
1058 :group 'gnus-article-mime
1059 :type '(repeat (cons (string :tag "name")
1062 (defcustom gnus-auto-select-part 1
1063 "Advance to next MIME part when deleting or stripping parts.
1065 When 0, point will be placed on the same part as before. When
1066 positive (negative), move point forward (backwards) this many
1067 parts. When nil, redisplay article."
1068 :version "23.1" ;; No Gnus
1069 :group 'gnus-article-mime
1070 :type '(choice (const nil :tag "Redisplay article.")
1071 (const 1 :tag "Next part.")
1072 (const 0 :tag "Current part.")
1076 ;;; The treatment variables
1079 (defvar gnus-part-display-hook nil
1080 "Hook called on parts that are to receive treatment.")
1082 (defvar gnus-article-treat-custom
1083 '(choice (const :tag "Off" nil)
1085 (const :tag "Header" head)
1086 (const :tag "First" first)
1087 (const :tag "Last" last)
1088 (integer :tag "Less")
1089 (repeat :tag "Groups" regexp)
1090 (sexp :tag "Predicate")))
1092 (defvar gnus-article-treat-head-custom
1093 '(choice (const :tag "Off" nil)
1094 (const :tag "Header" head)))
1096 (defvar gnus-article-treat-types '("text/plain" "text/x-verbatim"
1100 (defvar gnus-inhibit-treatment nil
1101 "Whether to inhibit treatment.")
1103 (defcustom gnus-treat-highlight-signature '(or t (typep "text/x-vcard"))
1104 "Highlight the signature.
1105 Valid values are nil, t, `head', `first', `last', an integer or a
1106 predicate. See Info node `(gnus)Customizing Articles'."
1107 :group 'gnus-article-treat
1108 :link '(custom-manual "(gnus)Customizing Articles")
1109 :type gnus-article-treat-custom)
1110 (put 'gnus-treat-highlight-signature 'highlight t)
1112 (defcustom gnus-treat-buttonize 100000
1114 Valid values are nil, t, `head', `first', `last', an integer or a
1115 predicate. See Info node `(gnus)Customizing Articles'."
1116 :group 'gnus-article-treat
1117 :link '(custom-manual "(gnus)Customizing Articles")
1118 :type gnus-article-treat-custom)
1119 (put 'gnus-treat-buttonize 'highlight t)
1121 (defcustom gnus-treat-buttonize-head 'head
1122 "Add buttons to the head.
1123 Valid values are nil, t, `head', `first', `last', an integer or a
1124 predicate. See Info node `(gnus)Customizing Articles'."
1125 :group 'gnus-article-treat
1126 :link '(custom-manual "(gnus)Customizing Articles")
1127 :type gnus-article-treat-head-custom)
1128 (put 'gnus-treat-buttonize-head 'highlight t)
1130 (defcustom gnus-treat-emphasize 50000
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-emphasize 'highlight t)
1139 (defcustom gnus-treat-strip-cr nil
1140 "Remove carriage returns.
1141 Valid values are nil, t, `head', `first', `last', an integer or a
1142 predicate. See Info node `(gnus)Customizing Articles'."
1144 :group 'gnus-article-treat
1145 :link '(custom-manual "(gnus)Customizing Articles")
1146 :type gnus-article-treat-custom)
1148 (defcustom gnus-treat-unsplit-urls nil
1149 "Remove newlines from within URLs.
1150 Valid values are nil, t, `head', `first', `last', an integer or a
1151 predicate. See Info node `(gnus)Customizing Articles'."
1153 :group 'gnus-article-treat
1154 :link '(custom-manual "(gnus)Customizing Articles")
1155 :type gnus-article-treat-custom)
1157 (defcustom gnus-treat-leading-whitespace nil
1158 "Remove leading whitespace in headers.
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-custom)
1166 (defcustom gnus-treat-hide-headers 'head
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-head-custom)
1174 (defcustom gnus-treat-hide-boring-headers nil
1175 "Hide boring headers.
1176 Valid values are nil, t, `head', `first', `last', an integer or a
1177 predicate. See Info node `(gnus)Customizing Articles'."
1178 :group 'gnus-article-treat
1179 :link '(custom-manual "(gnus)Customizing Articles")
1180 :type gnus-article-treat-head-custom)
1182 (defcustom gnus-treat-hide-signature nil
1183 "Hide the signature.
1184 Valid values are nil, t, `head', `first', `last', an integer or a
1185 predicate. See Info node `(gnus)Customizing Articles'."
1186 :group 'gnus-article-treat
1187 :link '(custom-manual "(gnus)Customizing Articles")
1188 :type gnus-article-treat-custom)
1190 (defcustom gnus-treat-fill-article nil
1192 Valid values are nil, t, `head', `first', `last', an integer or a
1193 predicate. See Info node `(gnus)Customizing Articles'."
1194 :group 'gnus-article-treat
1195 :link '(custom-manual "(gnus)Customizing Articles")
1196 :type gnus-article-treat-custom)
1198 (defcustom gnus-treat-hide-citation nil
1200 Valid values are nil, t, `head', `first', `last', an integer or a
1201 predicate. See Info node `(gnus)Customizing Articles'."
1202 :group 'gnus-article-treat
1203 :link '(custom-manual "(gnus)Customizing Articles")
1204 :type gnus-article-treat-custom)
1206 (defcustom gnus-treat-hide-citation-maybe nil
1208 Valid values are nil, t, `head', `first', `last', an integer or a
1209 predicate. See Info node `(gnus)Customizing Articles'."
1210 :group 'gnus-article-treat
1211 :link '(custom-manual "(gnus)Customizing Articles")
1212 :type gnus-article-treat-custom)
1214 (defcustom gnus-treat-strip-list-identifiers 'head
1215 "Strip list identifiers from `gnus-list-identifiers`.
1216 Valid values are nil, t, `head', `first', `last', an integer or a
1217 predicate. See Info node `(gnus)Customizing Articles'."
1219 :group 'gnus-article-treat
1220 :link '(custom-manual "(gnus)Customizing Articles")
1221 :type gnus-article-treat-custom)
1223 (make-obsolete-variable 'gnus-treat-strip-pgp nil
1224 "Gnus 5.10 (Emacs 22.1)")
1226 (defcustom gnus-treat-strip-pem nil
1227 "Strip PEM signatures.
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-strip-banner t
1235 "Strip banners from articles.
1236 The banner to be stripped is specified in the `banner' group parameter.
1237 Valid values are nil, t, `head', `first', `last', an integer or a
1238 predicate. See Info node `(gnus)Customizing Articles'."
1239 :group 'gnus-article-treat
1240 :link '(custom-manual "(gnus)Customizing Articles")
1241 :type gnus-article-treat-custom)
1243 (defcustom gnus-treat-highlight-headers 'head
1244 "Highlight the headers.
1245 Valid values are nil, t, `head', `first', `last', an integer or a
1246 predicate. See Info node `(gnus)Customizing Articles'."
1247 :group 'gnus-article-treat
1248 :link '(custom-manual "(gnus)Customizing Articles")
1249 :type gnus-article-treat-head-custom)
1250 (put 'gnus-treat-highlight-headers 'highlight t)
1252 (defcustom gnus-treat-highlight-citation t
1253 "Highlight cited text.
1254 Valid values are nil, t, `head', `first', `last', an integer or a
1255 predicate. See Info node `(gnus)Customizing Articles'."
1256 :group 'gnus-article-treat
1257 :link '(custom-manual "(gnus)Customizing Articles")
1258 :type gnus-article-treat-custom)
1259 (put 'gnus-treat-highlight-citation 'highlight t)
1261 (defcustom gnus-treat-date-ut nil
1262 "Display the Date in UT (GMT).
1263 Valid values are nil, t, `head', `first', `last', an integer or a
1264 predicate. See Info node `(gnus)Customizing Articles'."
1265 :group 'gnus-article-treat
1266 :link '(custom-manual "(gnus)Customizing Articles")
1267 :type gnus-article-treat-head-custom)
1269 (defcustom gnus-treat-date-local nil
1270 "Display the Date in the local timezone.
1271 Valid values are nil, t, `head', `first', `last', an integer or a
1272 predicate. See Info node `(gnus)Customizing Articles'."
1273 :group 'gnus-article-treat
1274 :link '(custom-manual "(gnus)Customizing Articles")
1275 :type gnus-article-treat-head-custom)
1277 (defcustom gnus-treat-date-english nil
1278 "Display the Date in a format that can be read aloud in English.
1279 Valid values are nil, t, `head', `first', `last', an integer or a
1280 predicate. See Info node `(gnus)Customizing Articles'."
1282 :group 'gnus-article-treat
1283 :link '(custom-manual "(gnus)Customizing Articles")
1284 :type gnus-article-treat-head-custom)
1286 (defcustom gnus-treat-date-lapsed nil
1287 "Display the Date header in a way that says how much time has elapsed.
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-head-custom)
1294 (defcustom gnus-treat-date-original nil
1295 "Display the date in the original timezone.
1296 Valid values are nil, t, `head', `first', `last', an integer or a
1297 predicate. See Info node `(gnus)Customizing Articles'."
1298 :group 'gnus-article-treat
1299 :link '(custom-manual "(gnus)Customizing Articles")
1300 :type gnus-article-treat-head-custom)
1302 (defcustom gnus-treat-date-iso8601 nil
1303 "Display the date in the ISO8601 format.
1304 Valid values are nil, t, `head', `first', `last', an integer or a
1305 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)
1311 (defcustom gnus-treat-date-user-defined nil
1312 "Display the date in a user-defined format.
1313 The format is defined by the `gnus-article-time-format' variable.
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-head-custom)
1320 (defcustom gnus-treat-strip-headers-in-body t
1321 "Strip the X-No-Archive header line from the beginning of the body.
1322 Valid values are nil, t, `head', `first', `last', an integer or a
1323 predicate. See Info node `(gnus)Customizing Articles'."
1325 :group 'gnus-article-treat
1326 :link '(custom-manual "(gnus)Customizing Articles")
1327 :type gnus-article-treat-custom)
1329 (defcustom gnus-treat-strip-trailing-blank-lines nil
1330 "Strip trailing blank lines.
1331 Valid values are nil, t, `head', `first', `last', an integer or a
1332 predicate. See Info node `(gnus)Customizing Articles'.
1334 When set to t, it also strips trailing blanks in all MIME parts.
1335 Consider to use `last' instead."
1336 :group 'gnus-article-treat
1337 :link '(custom-manual "(gnus)Customizing Articles")
1338 :type gnus-article-treat-custom)
1340 (defcustom gnus-treat-strip-leading-blank-lines nil
1341 "Strip leading blank lines.
1342 Valid values are nil, t, `head', `first', `last', an integer or a
1343 predicate. See Info node `(gnus)Customizing Articles'.
1345 When set to t, it also strips trailing blanks in all MIME parts."
1346 :group 'gnus-article-treat
1347 :link '(custom-manual "(gnus)Customizing Articles")
1348 :type gnus-article-treat-custom)
1350 (defcustom gnus-treat-strip-multiple-blank-lines nil
1351 "Strip multiple blank lines.
1352 Valid values are nil, t, `head', `first', `last', an integer or a
1353 predicate. See Info node `(gnus)Customizing Articles'."
1354 :group 'gnus-article-treat
1355 :link '(custom-manual "(gnus)Customizing Articles")
1356 :type gnus-article-treat-custom)
1358 (defcustom gnus-treat-unfold-headers 'head
1359 "Unfold folded header lines.
1360 Valid values are nil, t, `head', `first', `last', an integer or a
1361 predicate. See Info node `(gnus)Customizing Articles'."
1363 :group 'gnus-article-treat
1364 :link '(custom-manual "(gnus)Customizing Articles")
1365 :type gnus-article-treat-custom)
1367 (defcustom gnus-article-unfold-long-headers nil
1368 "If non-nil, allow unfolding headers even if the header is long.
1369 If it is a regexp, only long headers matching this regexp are unfolded.
1370 If it is t, all long headers are unfolded.
1372 This variable has no effect if `gnus-treat-unfold-headers' is nil."
1373 :version "23.1" ;; No Gnus
1374 :group 'gnus-article-treat
1375 :type '(choice (const nil)
1376 (const :tag "all" t)
1379 (defcustom gnus-treat-fold-headers nil
1381 Valid values are nil, t, `head', `first', `last', an integer or a
1382 predicate. See Info node `(gnus)Customizing Articles'."
1384 :group 'gnus-article-treat
1385 :link '(custom-manual "(gnus)Customizing Articles")
1386 :type gnus-article-treat-custom)
1388 (defcustom gnus-treat-fold-newsgroups 'head
1389 "Fold the Newsgroups and Followup-To headers.
1390 Valid values are nil, t, `head', `first', `last', an integer or a
1391 predicate. See Info node `(gnus)Customizing Articles'."
1393 :group 'gnus-article-treat
1394 :link '(custom-manual "(gnus)Customizing Articles")
1395 :type gnus-article-treat-custom)
1397 (defcustom gnus-treat-overstrike t
1398 "Treat overstrike highlighting.
1399 Valid values are nil, t, `head', `first', `last', an integer or a
1400 predicate. See Info node `(gnus)Customizing Articles'."
1401 :group 'gnus-article-treat
1402 :link '(custom-manual "(gnus)Customizing Articles")
1403 :type gnus-article-treat-custom)
1404 (put 'gnus-treat-overstrike 'highlight t)
1406 (defcustom gnus-treat-ansi-sequences (if (locate-library "ansi-color") t)
1407 "Treat ANSI SGR control sequences.
1408 Valid values are nil, t, `head', `first', `last', an integer or a
1409 predicate. See Info node `(gnus)Customizing Articles'."
1410 :group 'gnus-article-treat
1411 :link '(custom-manual "(gnus)Customizing Articles")
1412 :type gnus-article-treat-custom)
1414 (make-obsolete-variable 'gnus-treat-display-xface
1415 'gnus-treat-display-x-face "Emacs 22.1")
1417 (defcustom gnus-treat-display-x-face
1418 (and (not noninteractive)
1419 (gnus-image-type-available-p 'xbm)
1420 (if (featurep 'xemacs)
1423 (and (string-match "^0x" (shell-command-to-string "uncompface"))
1424 (executable-find "icontopbm"))
1425 ;; shell-command-to-string may signal an error, e.g. if
1426 ;; shell-file-name is not found.
1429 "Display X-Face headers.
1430 Valid values are nil and `head'.
1431 See Info node `(gnus)Customizing Articles' and Info node
1432 `(gnus)X-Face' for details."
1433 :group 'gnus-article-treat
1435 :link '(custom-manual "(gnus)Customizing Articles")
1436 :link '(custom-manual "(gnus)X-Face")
1437 :type gnus-article-treat-head-custom
1438 :set (lambda (symbol value)
1441 (cond ((or (boundp symbol) (get symbol 'saved-value))
1443 ((boundp 'gnus-treat-display-xface)
1445 ** gnus-treat-display-xface is an obsolete variable;\
1446 use gnus-treat-display-x-face instead")
1447 (default-value 'gnus-treat-display-xface))
1448 ((get 'gnus-treat-display-xface 'saved-value)
1450 ** gnus-treat-display-xface is an obsolete variable;\
1451 use gnus-treat-display-x-face instead")
1452 (eval (car (get 'gnus-treat-display-xface 'saved-value))))
1455 (put 'gnus-treat-display-x-face 'highlight t)
1457 (defcustom gnus-treat-display-face
1458 (and (not noninteractive)
1459 (gnus-image-type-available-p 'png)
1461 "Display Face headers.
1462 Valid values are nil, t, `head', `first', `last', an integer or a
1463 predicate. See Info node `(gnus)Customizing Articles' and Info
1464 node `(gnus)Face' for details."
1465 :group 'gnus-article-treat
1467 :link '(custom-manual "(gnus)Customizing Articles")
1468 :link '(custom-manual "(gnus)X-Face")
1469 :type gnus-article-treat-head-custom)
1470 (put 'gnus-treat-display-face 'highlight t)
1472 (defcustom gnus-treat-display-smileys (gnus-image-type-available-p 'xpm)
1474 Valid values are nil, t, `head', `first', `last', an integer or a
1475 predicate. See Info node `(gnus)Customizing Articles' and Info
1476 node `(gnus)Smileys' for details."
1477 :group 'gnus-article-treat
1479 :link '(custom-manual "(gnus)Customizing Articles")
1480 :link '(custom-manual "(gnus)Smileys")
1481 :type gnus-article-treat-custom)
1482 (put 'gnus-treat-display-smileys 'highlight t)
1484 (defcustom gnus-treat-from-picon
1485 (if (and (gnus-image-type-available-p 'xpm)
1486 (gnus-picons-installed-p))
1488 "Display picons in the From header.
1489 Valid values are nil, t, `head', `first', `last', an integer or a
1490 predicate. See Info node `(gnus)Customizing Articles' and Info
1491 node `(gnus)Picons' for details."
1493 :group 'gnus-article-treat
1495 :link '(custom-manual "(gnus)Customizing Articles")
1496 :link '(custom-manual "(gnus)Picons")
1497 :type gnus-article-treat-head-custom)
1498 (put 'gnus-treat-from-picon 'highlight t)
1500 (defcustom gnus-treat-mail-picon
1501 (if (and (gnus-image-type-available-p 'xpm)
1502 (gnus-picons-installed-p))
1504 "Display picons in To and Cc headers.
1505 Valid values are nil, t, `head', `first', `last', an integer or a
1506 predicate. See Info node `(gnus)Customizing Articles' and Info
1507 node `(gnus)Picons' for details."
1509 :group 'gnus-article-treat
1511 :link '(custom-manual "(gnus)Customizing Articles")
1512 :link '(custom-manual "(gnus)Picons")
1513 :type gnus-article-treat-head-custom)
1514 (put 'gnus-treat-mail-picon 'highlight t)
1516 (defcustom gnus-treat-newsgroups-picon
1517 (if (and (gnus-image-type-available-p 'xpm)
1518 (gnus-picons-installed-p))
1520 "Display picons in the Newsgroups and Followup-To headers.
1521 Valid values are nil, t, `head', `first', `last', an integer or a
1522 predicate. See Info node `(gnus)Customizing Articles' and Info
1523 node `(gnus)Picons' for details."
1525 :group 'gnus-article-treat
1527 :link '(custom-manual "(gnus)Customizing Articles")
1528 :link '(custom-manual "(gnus)Picons")
1529 :type gnus-article-treat-head-custom)
1530 (put 'gnus-treat-newsgroups-picon 'highlight t)
1532 (defcustom gnus-treat-from-gravatar nil
1533 "Display gravatars in the From header.
1534 Valid values are nil, t, `head', `first', `last', an integer or a
1535 predicate. See Info node `(gnus)Customizing Articles' and Info
1536 node `(gnus)Gravatars' for details."
1538 :group 'gnus-article-treat
1539 :group 'gnus-gravatar
1540 :link '(custom-manual "(gnus)Customizing Articles")
1541 :link '(custom-manual "(gnus)Gravatars")
1542 :type gnus-article-treat-head-custom)
1543 (put 'gnus-treat-from-gravatar 'highlight t)
1545 (defcustom gnus-treat-mail-gravatar nil
1546 "Display gravatars in To and Cc headers.
1547 Valid values are nil, t, `head', `first', `last', an integer or a
1548 predicate. See Info node `(gnus)Customizing Articles' and Info
1549 node `(gnus)Gravatars' for details."
1551 :group 'gnus-article-treat
1552 :group 'gnus-gravatar
1553 :link '(custom-manual "(gnus)Customizing Articles")
1554 :link '(custom-manual "(gnus)Gravatars")
1555 :type gnus-article-treat-head-custom)
1556 (put 'gnus-treat-mail-gravatar 'highlight t)
1558 (defcustom gnus-treat-body-boundary
1559 (if (or gnus-treat-newsgroups-picon
1560 gnus-treat-mail-picon
1561 gnus-treat-from-picon
1562 gnus-treat-from-gravatar
1563 gnus-treat-mail-gravatar)
1564 ;; If there's much decoration, the user might prefer a boundery.
1567 "Draw a boundary at the end of the headers.
1568 Valid values are nil and `head'.
1569 See Info node `(gnus)Customizing Articles' for details."
1571 :group 'gnus-article-treat
1572 :link '(custom-manual "(gnus)Customizing Articles")
1573 :type gnus-article-treat-head-custom)
1575 (defcustom gnus-treat-capitalize-sentences nil
1576 "Capitalize sentence-starting words.
1577 Valid values are nil, t, `head', `first', `last', an integer or a
1578 predicate. See Info node `(gnus)Customizing Articles'."
1580 :group 'gnus-article-treat
1581 :link '(custom-manual "(gnus)Customizing Articles")
1582 :type gnus-article-treat-custom)
1584 (defcustom gnus-treat-wash-html nil
1586 Valid values are nil, t, `head', `first', `last', an integer or a
1587 predicate. See Info node `(gnus)Customizing Articles'."
1589 :group 'gnus-article-treat
1590 :link '(custom-manual "(gnus)Customizing Articles")
1591 :type gnus-article-treat-custom)
1593 (defcustom gnus-treat-fill-long-lines '(typep "text/plain")
1595 Valid values are nil, t, `head', `first', `last', an integer or a
1596 predicate. See Info node `(gnus)Customizing Articles'."
1597 :group 'gnus-article-treat
1598 :link '(custom-manual "(gnus)Customizing Articles")
1599 :type gnus-article-treat-custom)
1601 (defcustom gnus-treat-x-pgp-sig nil
1603 To automatically treat X-PGP-Sig, set it to head.
1604 Valid values are nil, t, `head', `first', `last', an integer or a
1605 predicate. See Info node `(gnus)Customizing Articles'."
1607 :group 'gnus-article-treat
1608 :group 'mime-security
1609 :link '(custom-manual "(gnus)Customizing Articles")
1610 :type gnus-article-treat-custom)
1612 (defvar gnus-article-encrypt-protocol-alist
1613 '(("PGP" . mml2015-self-encrypt)))
1615 ;; Set to nil if more than one protocol added to
1616 ;; gnus-article-encrypt-protocol-alist.
1617 (defcustom gnus-article-encrypt-protocol "PGP"
1618 "The protocol used for encrypt articles.
1619 It is a string, such as \"PGP\". If nil, ask user."
1622 :group 'mime-security)
1624 (defcustom gnus-use-idna (and (condition-case nil (require 'idna) (file-error))
1625 (mm-coding-system-p 'utf-8)
1626 (executable-find idna-program))
1627 "Whether IDNA decoding of headers is used when viewing messages.
1628 This requires GNU Libidn, and by default only enabled if it is found."
1630 :group 'gnus-article-headers
1633 (defcustom gnus-article-over-scroll nil
1634 "If non-nil, allow scrolling the article buffer even when there no more text."
1636 :group 'gnus-article
1639 (defcustom gnus-blocked-images 'gnus-block-private-groups
1640 "Images that have URLs matching this regexp will be blocked.
1641 This can also be a function to be evaluated. If so, it will be
1642 called with the group name as the parameter, and should return a
1648 ;;; Internal variables
1650 (defvar gnus-english-month-names
1651 '("January" "February" "March" "April" "May" "June" "July" "August"
1652 "September" "October" "November" "December"))
1654 (defvar article-goto-body-goes-to-point-min-p nil)
1655 (defvar gnus-article-wash-types nil)
1656 (defvar gnus-article-emphasis-alist nil)
1657 (defvar gnus-article-image-alist nil)
1659 (defvar gnus-article-mime-handle-alist-1 nil)
1660 (defvar gnus-treatment-function-alist
1661 '((gnus-treat-x-pgp-sig gnus-article-verify-x-pgp-sig)
1662 (gnus-treat-strip-banner gnus-article-strip-banner)
1663 (gnus-treat-strip-headers-in-body gnus-article-strip-headers-in-body)
1664 (gnus-treat-highlight-signature gnus-article-highlight-signature)
1665 (gnus-treat-buttonize gnus-article-add-buttons)
1666 (gnus-treat-fill-article gnus-article-fill-cited-article)
1667 (gnus-treat-fill-long-lines gnus-article-fill-cited-long-lines)
1668 (gnus-treat-strip-cr gnus-article-remove-cr)
1669 (gnus-treat-unsplit-urls gnus-article-unsplit-urls)
1670 (gnus-treat-date-ut gnus-article-date-ut)
1671 (gnus-treat-date-local gnus-article-date-local)
1672 (gnus-treat-date-english gnus-article-date-english)
1673 (gnus-treat-date-original gnus-article-date-original)
1674 (gnus-treat-date-user-defined gnus-article-date-user)
1675 (gnus-treat-date-iso8601 gnus-article-date-iso8601)
1676 (gnus-treat-date-lapsed gnus-article-date-lapsed)
1677 (gnus-treat-display-x-face gnus-article-display-x-face)
1678 (gnus-treat-display-face gnus-article-display-face)
1679 (gnus-treat-hide-headers gnus-article-maybe-hide-headers)
1680 (gnus-treat-hide-boring-headers gnus-article-hide-boring-headers)
1681 (gnus-treat-hide-signature gnus-article-hide-signature)
1682 (gnus-treat-strip-list-identifiers gnus-article-hide-list-identifiers)
1683 (gnus-treat-leading-whitespace gnus-article-remove-leading-whitespace)
1684 (gnus-treat-from-picon gnus-treat-from-picon)
1685 (gnus-treat-mail-picon gnus-treat-mail-picon)
1686 (gnus-treat-newsgroups-picon gnus-treat-newsgroups-picon)
1687 (gnus-treat-strip-pem gnus-article-hide-pem)
1688 (gnus-treat-from-gravatar gnus-treat-from-gravatar)
1689 (gnus-treat-mail-gravatar gnus-treat-mail-gravatar)
1690 (gnus-treat-highlight-headers gnus-article-highlight-headers)
1691 (gnus-treat-highlight-signature gnus-article-highlight-signature)
1692 (gnus-treat-strip-trailing-blank-lines
1693 gnus-article-remove-trailing-blank-lines)
1694 (gnus-treat-strip-leading-blank-lines
1695 gnus-article-strip-leading-blank-lines)
1696 (gnus-treat-strip-multiple-blank-lines
1697 gnus-article-strip-multiple-blank-lines)
1698 (gnus-treat-overstrike gnus-article-treat-overstrike)
1699 (gnus-treat-ansi-sequences gnus-article-treat-ansi-sequences)
1700 (gnus-treat-unfold-headers gnus-article-treat-unfold-headers)
1701 (gnus-treat-fold-newsgroups gnus-article-treat-fold-newsgroups)
1702 (gnus-treat-fold-headers gnus-article-treat-fold-headers)
1703 (gnus-treat-buttonize-head gnus-article-add-buttons-to-head)
1704 (gnus-treat-display-smileys gnus-treat-smiley)
1705 (gnus-treat-capitalize-sentences gnus-article-capitalize-sentences)
1706 (gnus-treat-wash-html gnus-article-wash-html)
1707 (gnus-treat-emphasize gnus-article-emphasize)
1708 (gnus-treat-hide-citation gnus-article-hide-citation)
1709 (gnus-treat-hide-citation-maybe gnus-article-hide-citation-maybe)
1710 (gnus-treat-highlight-citation gnus-article-highlight-citation)
1711 (gnus-treat-body-boundary gnus-article-treat-body-boundary)))
1713 (defvar gnus-article-mime-handle-alist nil)
1714 (defvar article-lapsed-timer nil)
1715 (defvar gnus-article-current-summary nil)
1717 (defvar gnus-article-mode-syntax-table
1718 (let ((table (copy-syntax-table text-mode-syntax-table)))
1719 ;; This causes the citation match run O(2^n).
1720 ;; (modify-syntax-entry ?- "w" table)
1721 (modify-syntax-entry ?> ")<" table)
1722 (modify-syntax-entry ?< "(>" table)
1723 ;; make M-. in article buffers work for `foo' strings
1724 (modify-syntax-entry ?' " " table)
1725 (modify-syntax-entry ?` " " table)
1727 "Syntax table used in article mode buffers.
1728 Initialized from `text-mode-syntax-table.")
1730 (defvar gnus-save-article-buffer nil)
1732 (defvar gnus-number-of-articles-to-be-saved nil)
1734 (defvar gnus-inhibit-hiding nil)
1736 (defvar gnus-article-edit-mode nil)
1738 ;;; Macros for dealing with the article buffer.
1740 (defmacro gnus-with-article-headers (&rest forms)
1741 `(with-current-buffer gnus-article-buffer
1743 (let ((inhibit-read-only t)
1744 (inhibit-point-motion-hooks t)
1745 (case-fold-search t))
1746 (article-narrow-to-head)
1749 (put 'gnus-with-article-headers 'lisp-indent-function 0)
1750 (put 'gnus-with-article-headers 'edebug-form-spec '(body))
1752 (defmacro gnus-with-article-buffer (&rest forms)
1753 `(with-current-buffer gnus-article-buffer
1754 (let ((inhibit-read-only t))
1757 (put 'gnus-with-article-buffer 'lisp-indent-function 0)
1758 (put 'gnus-with-article-buffer 'edebug-form-spec '(body))
1760 (defun gnus-article-goto-header (header)
1761 "Go to HEADER, which is a regular expression."
1762 (re-search-forward (concat "^\\(" header "\\):") nil t))
1764 (defsubst gnus-article-hide-text (b e props)
1765 "Set text PROPS on the B to E region, extending `intangible' 1 past B."
1766 (gnus-add-text-properties-when 'article-type nil b e props)
1767 (when (memq 'intangible props)
1769 (max (1- b) (point-min))
1770 b 'intangible (cddr (memq 'intangible props)))))
1772 (defsubst gnus-article-unhide-text (b e)
1773 "Remove hidden text properties from region between B and E."
1774 (remove-text-properties b e gnus-hidden-properties)
1775 (when (memq 'intangible gnus-hidden-properties)
1776 (put-text-property (max (1- b) (point-min))
1777 b 'intangible nil)))
1779 (defun gnus-article-hide-text-type (b e type)
1780 "Hide text of TYPE between B and E."
1781 (gnus-add-wash-type type)
1782 (gnus-article-hide-text
1783 b e (cons 'article-type (cons type gnus-hidden-properties))))
1785 (defun gnus-article-unhide-text-type (b e type)
1786 "Unhide text of TYPE between B and E."
1787 (gnus-delete-wash-type type)
1788 (remove-text-properties
1789 b e (cons 'article-type (cons type gnus-hidden-properties)))
1790 (when (memq 'intangible gnus-hidden-properties)
1791 (put-text-property (max (1- b) (point-min))
1792 b 'intangible nil)))
1794 (defun gnus-article-hide-text-of-type (type)
1795 "Hide text of TYPE in the current buffer."
1797 (let ((b (point-min))
1799 (while (setq b (text-property-any b e 'article-type type))
1800 (add-text-properties b (incf b) gnus-hidden-properties)))))
1802 (defun gnus-article-delete-text-of-type (type)
1803 "Delete text of TYPE in the current buffer."
1805 (let ((b (point-min)))
1806 (if (eq type 'multipart)
1807 ;; Remove MIME buttons associated with multipart/alternative parts.
1810 (while (if (get-text-property (point) 'gnus-part)
1812 (when (setq b (next-single-property-change (point)
1817 (skip-chars-forward "\n")
1818 (when (eq (get-text-property b 'article-type) 'multipart)
1819 (delete-region b (point)))))
1820 (while (setq b (text-property-any b (point-max) 'article-type type))
1822 b (or (text-property-not-all b (point-max) 'article-type type)
1825 (defun gnus-article-delete-invisible-text ()
1826 "Delete all invisible text in the current buffer."
1828 (let ((b (point-min)))
1829 (while (setq b (text-property-any b (point-max) 'invisible t))
1831 b (or (text-property-not-all b (point-max) 'invisible t)
1834 (defun gnus-article-text-type-exists-p (type)
1835 "Say whether any text of type TYPE exists in the buffer."
1836 (text-property-any (point-min) (point-max) 'article-type type))
1838 (defsubst gnus-article-header-rank ()
1839 "Give the rank of the string HEADER as given by `gnus-sorted-header-list'."
1840 (let ((list gnus-sorted-header-list)
1843 (if (looking-at (car list))
1845 (setq list (cdr list))
1849 (defun article-hide-headers (&optional arg delete)
1850 "Hide unwanted headers and possibly sort them as well."
1852 ;; This function might be inhibited.
1853 (unless gnus-inhibit-hiding
1854 (let ((inhibit-read-only t)
1855 (case-fold-search t)
1856 (max (1+ (length gnus-sorted-header-list)))
1857 (inhibit-point-motion-hooks t)
1858 (cur (current-buffer))
1859 ignored visible beg)
1861 ;; `gnus-ignored-headers' and `gnus-visible-headers' may be
1862 ;; group parameters, so we should go to the summary buffer.
1865 (progn (set-buffer gnus-summary-buffer) t)
1867 (setq ignored (when (not gnus-visible-headers)
1868 (cond ((stringp gnus-ignored-headers)
1869 gnus-ignored-headers)
1870 ((listp gnus-ignored-headers)
1871 (mapconcat 'identity
1872 gnus-ignored-headers
1874 visible (cond ((stringp gnus-visible-headers)
1875 gnus-visible-headers)
1876 ((and gnus-visible-headers
1877 (listp gnus-visible-headers))
1878 (mapconcat 'identity
1879 gnus-visible-headers
1883 ;; First we narrow to just the headers.
1884 (article-narrow-to-head)
1885 ;; Hide any "From " lines at the beginning of (mail) articles.
1886 (while (looking-at "From ")
1889 (delete-region (point-min) (point)))
1890 ;; Then treat the rest of the header lines.
1891 ;; Then we use the two regular expressions
1892 ;; `gnus-ignored-headers' and `gnus-visible-headers' to
1893 ;; select which header lines is to remain visible in the
1895 (while (re-search-forward "^[^ \t:]*:" nil t)
1897 ;; Mark the rank of the header.
1899 (point) (1+ (point)) 'message-rank
1900 (if (or (and visible (looking-at visible))
1902 (not (looking-at ignored))))
1903 (gnus-article-header-rank)
1906 (message-sort-headers-1)
1907 (when (setq beg (text-property-any
1908 (point-min) (point-max) 'message-rank (+ 2 max)))
1909 ;; We delete the unwanted headers.
1910 (gnus-add-wash-type 'headers)
1911 (add-text-properties (point-min) (+ 5 (point-min))
1912 '(article-type headers dummy-invisible t))
1913 (delete-region beg (point-max))))))))
1915 (defun article-hide-boring-headers (&optional arg)
1916 "Toggle hiding of headers that aren't very interesting.
1917 If given a negative prefix, always show; if given a positive prefix,
1919 (interactive (gnus-article-hidden-arg))
1920 (when (and (not (gnus-article-check-hidden-text 'boring-headers arg))
1921 (not gnus-show-all-headers))
1924 (let ((inhibit-read-only t)
1925 (inhibit-point-motion-hooks t))
1926 (article-narrow-to-head)
1927 (dolist (elem gnus-boring-article-headers)
1928 (goto-char (point-min))
1930 ;; Hide empty headers.
1932 (while (re-search-forward "^[^: \t]+:[ \t]*\n[^ \t]" nil t)
1934 (gnus-article-hide-text-type
1938 (if (re-search-forward "^[^ \t]" nil t)
1942 ;; Hide boring Newsgroups header.
1943 ((eq elem 'newsgroups)
1944 (when (gnus-string-equal
1945 (gnus-fetch-field "newsgroups")
1946 (gnus-group-real-name
1947 (if (boundp 'gnus-newsgroup-name)
1950 (gnus-article-hide-header "newsgroups")))
1951 ((eq elem 'to-address)
1952 (let ((to (message-fetch-field "to"))
1954 (gnus-parameter-to-address
1955 (if (boundp 'gnus-newsgroup-name)
1956 gnus-newsgroup-name ""))))
1957 (when (and to to-address
1960 ;; only one address in To
1961 (nth 1 (mail-extract-address-components to))
1963 (gnus-article-hide-header "to"))))
1965 (let ((to (message-fetch-field "to"))
1967 (gnus-parameter-to-list
1968 (if (boundp 'gnus-newsgroup-name)
1969 gnus-newsgroup-name ""))))
1970 (when (and to to-list
1973 ;; only one address in To
1974 (nth 1 (mail-extract-address-components to))
1976 (gnus-article-hide-header "to"))))
1978 (let ((cc (message-fetch-field "cc"))
1980 (gnus-parameter-to-list
1981 (if (boundp 'gnus-newsgroup-name)
1982 gnus-newsgroup-name ""))))
1983 (when (and cc to-list
1986 ;; only one address in CC
1987 (nth 1 (mail-extract-address-components cc))
1989 (gnus-article-hide-header "cc"))))
1990 ((eq elem 'followup-to)
1991 (when (gnus-string-equal
1992 (message-fetch-field "followup-to")
1993 (message-fetch-field "newsgroups"))
1994 (gnus-article-hide-header "followup-to")))
1995 ((eq elem 'reply-to)
1996 (if (gnus-group-find-parameter
1997 gnus-newsgroup-name 'broken-reply-to)
1998 (gnus-article-hide-header "reply-to")
1999 (let ((from (message-fetch-field "from"))
2000 (reply-to (message-fetch-field "reply-to")))
2007 (lambda (x) (downcase (cadr x)))
2008 (mail-extract-address-components from t))
2011 (lambda (x) (downcase (cadr x)))
2012 (mail-extract-address-components reply-to t))
2014 (gnus-article-hide-header "reply-to")))))
2016 (let ((date (with-current-buffer gnus-original-article-buffer
2017 ;; If date in `gnus-article-buffer' is localized
2018 ;; (`gnus-treat-date-user-defined'),
2019 ;; `days-between' might fail.
2020 (message-fetch-field "date"))))
2022 (< (days-between (current-time-string) date)
2024 (gnus-article-hide-header "date"))))
2026 (let ((to (message-fetch-field "to"))
2027 (cc (message-fetch-field "cc")))
2028 (when (> (length to) 1024)
2029 (gnus-article-hide-header "to"))
2030 (when (> (length cc) 1024)
2031 (gnus-article-hide-header "cc"))))
2035 (goto-char (point-min))
2036 (while (re-search-forward "^to:" nil t)
2037 (setq to-count (1+ to-count)))
2038 (when (> to-count 1)
2039 (while (> to-count 0)
2040 (goto-char (point-min))
2042 (re-search-forward "^to:" nil nil to-count)
2044 (narrow-to-region (point) (point-max))
2045 (gnus-article-hide-header "to"))
2046 (setq to-count (1- to-count))))
2047 (goto-char (point-min))
2048 (while (re-search-forward "^cc:" nil t)
2049 (setq cc-count (1+ cc-count)))
2050 (when (> cc-count 1)
2051 (while (> cc-count 0)
2052 (goto-char (point-min))
2054 (re-search-forward "^cc:" nil nil cc-count)
2056 (narrow-to-region (point) (point-max))
2057 (gnus-article-hide-header "cc"))
2058 (setq cc-count (1- cc-count)))))))))))))
2060 (defun gnus-article-hide-header (header)
2062 (goto-char (point-min))
2063 (when (re-search-forward (concat "^" header ":") nil t)
2064 (gnus-article-hide-text-type
2068 (if (re-search-forward "^[^ \t]" nil t)
2073 (defvar gnus-article-normalized-header-length 40
2074 "Length of normalized headers.")
2076 (defun article-normalize-headers ()
2077 "Make all header lines 40 characters long."
2079 (let ((inhibit-read-only t)
2083 (article-narrow-to-head)
2086 ((< (setq column (- (point-at-eol) (point)))
2087 gnus-article-normalized-header-length)
2089 (insert (make-string
2090 (- gnus-article-normalized-header-length column)
2092 ((> column gnus-article-normalized-header-length)
2093 (gnus-put-text-property
2095 (forward-char gnus-article-normalized-header-length)
2102 (forward-line 1))))))
2104 (defun article-treat-dumbquotes ()
2105 "Translate M****s*** sm*rtq**t*s and other symbols into proper text.
2106 Note that this function guesses whether a character is a sm*rtq**t* or
2107 not, so it should only be used interactively.
2109 Sm*rtq**t*s are M****s***'s unilateral extension to the
2110 iso-8859-1 character map in an attempt to provide more quoting
2111 characters. If you see something like \\222 or \\264 where
2112 you're expecting some kind of apostrophe or quotation mark, then
2115 (article-translate-strings gnus-article-dumbquotes-map))
2117 (defun article-treat-non-ascii ()
2118 "Translate many Unicode characters into their ASCII equivalents."
2120 (require 'org-entities)
2121 (let ((table (make-char-table nil)))
2122 (dolist (elem org-entities)
2123 (when (and (listp elem)
2124 (= (length (nth 6 elem)) 1))
2125 (set-char-table-range table
2126 (aref (nth 6 elem) 0)
2129 (when (article-goto-body)
2130 (let ((inhibit-read-only t)
2133 (if (not (setq replace (aref table (following-char))))
2136 (insert replace))))))))
2138 (defun article-translate-characters (from to)
2139 "Translate all characters in the body of the article according to FROM and TO.
2140 FROM is a string of characters to translate from; to is a string of
2141 characters to translate to."
2143 (when (article-goto-body)
2144 (let ((inhibit-read-only t)
2145 (x (make-string 225 ?x))
2147 (while (< (incf i) (length x))
2150 (while (< i (length from))
2151 (aset x (aref from i) (aref to i))
2153 (translate-region (point) (point-max) x)))))
2155 (defun article-translate-strings (map)
2156 "Translate all string in the body of the article according to MAP.
2157 MAP is an alist where the elements are on the form (\"from\" \"to\")."
2159 (when (article-goto-body)
2160 (let ((inhibit-read-only t))
2162 (let ((from (car elem))
2166 (while (search-forward from nil t)
2169 (if (eq (following-char) from)
2173 (forward-char 1)))))))))))
2175 (defun article-treat-overstrike ()
2176 "Translate overstrikes into bold text."
2179 (when (article-goto-body)
2180 (let ((inhibit-read-only t))
2181 (while (search-forward "\b" nil t)
2182 (let ((next (char-after))
2183 (previous (char-after (- (point) 2))))
2184 ;; We do the boldification/underlining by hiding the
2185 ;; overstrikes and putting the proper text property
2189 (gnus-article-hide-text-type (- (point) 2) (point) 'overstrike)
2190 (put-text-property (point) (1+ (point)) 'face 'bold))
2192 (gnus-article-hide-text-type
2193 (1- (point)) (1+ (point)) 'overstrike)
2195 (- (point) 2) (1- (point)) 'face 'underline))
2197 (gnus-article-hide-text-type (- (point) 2) (point) 'overstrike)
2199 (point) (1+ (point)) 'face 'underline)))))))))
2201 (defun article-treat-ansi-sequences ()
2202 "Translate ANSI SGR control sequences into overlays or extents."
2205 (when (article-goto-body)
2206 (let ((inhibit-read-only t))
2207 (ansi-color-apply-on-region (point) (point-max))))))
2209 (defun gnus-article-treat-unfold-headers ()
2210 "Unfold folded message headers.
2211 Only the headers that fit into the current window width will be
2214 (gnus-with-article-headers
2218 (mail-header-narrow-to-field)
2219 (let* ((header (buffer-string))
2221 (or (equal gnus-article-unfold-long-headers t)
2222 (and (stringp gnus-article-unfold-long-headers)
2223 (string-match gnus-article-unfold-long-headers header)))))
2226 (goto-char (point-min))
2227 (while (re-search-forward "\n[\t ]" nil t)
2228 (replace-match " " t t)))
2229 (setq length (- (point-max) (point-min) 1))
2230 (when (or unfoldable
2231 (< length (window-width)))
2232 (while (re-search-forward "\n[\t ]" nil t)
2233 (replace-match " " t t))))
2234 (goto-char (point-max)))))))
2236 (defun gnus-article-treat-fold-headers ()
2237 "Fold message headers."
2239 (gnus-with-article-headers
2242 (mail-header-narrow-to-field)
2243 (mail-header-fold-field)
2244 (goto-char (point-max))))))
2246 (defun gnus-treat-smiley ()
2247 "Toggle display of textual emoticons (\"smileys\") as small graphical icons."
2249 (gnus-with-article-buffer
2250 (if (memq 'smiley gnus-article-wash-types)
2251 (gnus-delete-images 'smiley)
2253 (let ((images (smiley-region (point) (point-max))))
2255 (gnus-add-wash-type 'smiley)
2256 (dolist (image images)
2257 (gnus-add-image 'smiley image)))))))
2259 (defun gnus-article-remove-images ()
2260 "Remove all images from the article buffer."
2262 (gnus-with-article-buffer
2263 (dolist (elem gnus-article-image-alist)
2264 (gnus-delete-images (car elem)))))
2266 (defun gnus-article-treat-fold-newsgroups ()
2267 "Unfold folded message headers.
2268 Only the headers that fit into the current window width will be
2271 (gnus-with-article-headers
2272 (while (gnus-article-goto-header "newsgroups\\|followup-to")
2274 (mail-header-narrow-to-field)
2275 (while (re-search-forward ", *" nil t)
2276 (replace-match ", " t t))
2277 (mail-header-fold-field)
2278 (goto-char (point-max))))))
2280 (defcustom gnus-article-truncate-lines (default-value 'truncate-lines)
2281 "Value of `truncate-lines' in Gnus Article buffer.
2282 Valid values are nil, t, `head', `first', `last', an integer or a
2283 predicate. See Info node `(gnus)Customizing Articles'."
2284 :version "23.1" ;; No Gnus
2285 :group 'gnus-article
2286 ;; :link '(custom-manual "(gnus)Customizing Articles")
2289 (defun gnus-article-toggle-truncate-lines (&optional arg)
2290 "Toggle whether to fold or truncate long lines in article the buffer.
2291 If ARG is non-nil and not a number, toggle
2292 `gnus-article-truncate-lines' too. If ARG is a number, truncate
2293 long lines if and only if arg is positive."
2296 ((and (numberp arg) (> arg 0))
2297 (setq gnus-article-truncate-lines t))
2299 (setq gnus-article-truncate-lines nil))
2301 (setq gnus-article-truncate-lines
2302 (not gnus-article-truncate-lines))))
2303 (gnus-with-article-buffer
2305 ((and (numberp arg) (> arg 0))
2306 (setq truncate-lines nil))
2308 (setq truncate-lines t)))
2309 ;; In versions of Emacs 22 (CVS) before 2006-05-26,
2310 ;; `toggle-truncate-lines' needs an argument.
2311 (toggle-truncate-lines)))
2313 (defun gnus-article-treat-body-boundary ()
2314 "Place a boundary line at the end of the headers."
2316 (when (and gnus-body-boundary-delimiter
2317 (> (length gnus-body-boundary-delimiter) 0))
2318 (gnus-with-article-headers
2319 (goto-char (point-max))
2320 (let ((start (point)))
2321 (insert "X-Boundary: ")
2322 (gnus-add-text-properties start (point) '(invisible t intangible t))
2324 (while (>= (window-width) (length str))
2325 (setq str (concat str gnus-body-boundary-delimiter)))
2326 (substring str 0 (window-width)))
2328 (gnus-put-text-property start (point) 'gnus-decoration 'header)))))
2330 (defun article-fill-long-lines ()
2331 "Fill lines that are wider than the window width."
2334 (let ((inhibit-read-only t)
2335 (width (window-width (get-buffer-window (current-buffer)))))
2338 (let ((adaptive-fill-mode nil)) ;Why? -sm
2341 (when (>= (current-column) (min fill-column width))
2342 (narrow-to-region (min (1+ (point)) (point-max))
2344 (let ((goback (point-marker)))
2345 (fill-paragraph nil)
2346 (goto-char (marker-position goback)))
2348 (forward-line 1)))))))
2350 (defun article-capitalize-sentences ()
2351 "Capitalize the first word in each sentence."
2354 (let ((inhibit-read-only t)
2355 (paragraph-start "^[\n\^L]"))
2359 (forward-sentence)))))
2361 (defun article-remove-cr ()
2362 "Remove trailing CRs and then translate remaining CRs into LFs."
2365 (let ((inhibit-read-only t))
2366 (goto-char (point-min))
2367 (while (re-search-forward "\r+$" nil t)
2368 (replace-match "" t t))
2369 (goto-char (point-min))
2370 (while (search-forward "\r" nil t)
2371 (replace-match "\n" t t)))))
2373 (defun article-remove-trailing-blank-lines ()
2374 "Remove all trailing blank lines from the article."
2377 (let ((inhibit-read-only t))
2378 (goto-char (point-max))
2382 (while (and (not (bobp))
2383 (looking-at "^[ \t]*$")
2384 (not (gnus-annotation-in-region-p
2385 (point) (point-at-eol))))
2390 (defvar gnus-face-properties-alist)
2392 (defun article-display-face (&optional force)
2393 "Display any Face headers in the header."
2394 (interactive (list 'force))
2395 (let ((wash-face-p buffer-read-only))
2396 (gnus-with-article-headers
2397 ;; When displaying parts, this function can be called several times on
2398 ;; the same article, without any intended toggle semantic (as typing `W
2399 ;; D d' would have). So face deletion must occur only when we come from
2400 ;; an interactive command, that is when the *Article* buffer is
2402 (if (and wash-face-p (memq 'face gnus-article-wash-types))
2403 (gnus-delete-images 'face)
2404 (let ((from (message-fetch-field "from"))
2406 (save-current-buffer
2407 (when (and wash-face-p
2408 (gnus-buffer-live-p gnus-original-article-buffer)
2409 (not (re-search-forward "^Face:[\t ]*" nil t)))
2410 (set-buffer gnus-original-article-buffer))
2412 (mail-narrow-to-head)
2414 ;; Check whether this face is censored.
2415 (not (and gnus-article-x-face-too-ugly
2417 (setq from (message-fetch-field "from")))
2418 (string-match gnus-article-x-face-too-ugly
2420 (while (gnus-article-goto-header "Face")
2421 (push (mail-header-field-value) faces)))))
2423 (goto-char (point-min))
2425 (unless (setq from (gnus-article-goto-header "from"))
2428 (insert " [no `from' set]\n"))
2430 (when (setq png (gnus-convert-face-to-png (pop faces)))
2432 (apply 'gnus-create-image png 'png t
2433 (cdr (assq 'png gnus-face-properties-alist))))
2435 (gnus-add-wash-type 'face)
2436 (gnus-add-image 'face image)
2437 (gnus-put-image image nil 'face))))))))))
2439 (defun article-display-x-face (&optional force)
2440 "Look for an X-Face header and display it if present."
2441 (interactive (list 'force))
2442 (let ((wash-face-p buffer-read-only)) ;; When type `W f'
2443 (gnus-with-article-headers
2444 ;; Delete the old process, if any.
2445 (when (process-status "article-x-face")
2446 (delete-process "article-x-face"))
2447 ;; See the comment in `article-display-face'.
2448 (if (and wash-face-p (memq 'xface gnus-article-wash-types))
2449 ;; We have already displayed X-Faces, so we remove them
2451 (gnus-delete-images 'xface)
2453 (let ((from (message-fetch-field "from"))
2455 (save-current-buffer
2456 (when (and wash-face-p
2457 (gnus-buffer-live-p gnus-original-article-buffer)
2458 (not (re-search-forward "^X-Face:[\t ]*" nil t)))
2459 ;; If type `W f', use gnus-original-article-buffer,
2460 ;; otherwise use the current buffer because displaying
2461 ;; RFC822 parts calls this function too.
2462 (set-buffer gnus-original-article-buffer))
2464 (mail-narrow-to-head)
2465 (and gnus-article-x-face-command
2467 ;; Check whether this face is censored.
2468 (not (and gnus-article-x-face-too-ugly
2470 (setq from (message-fetch-field "from")))
2471 (string-match gnus-article-x-face-too-ugly
2473 (while (gnus-article-goto-header "X-Face")
2474 (push (mail-header-field-value) x-faces)))))
2476 ;; We display the face.
2477 (cond ((functionp gnus-article-x-face-command)
2478 ;; The command is a lisp function, so we call it.
2479 (mapc gnus-article-x-face-command x-faces))
2480 ((stringp gnus-article-x-face-command)
2481 ;; The command is a string, so we interpret the command
2482 ;; as a, well, command, and fork it off.
2483 (let ((process-connection-type nil))
2484 (gnus-set-process-query-on-exit-flag
2486 "article-x-face" nil shell-file-name
2487 shell-command-switch gnus-article-x-face-command)
2489 ;; Sending multiple EOFs to xv doesn't work,
2490 ;; so we only do a single external face.
2492 (insert (car x-faces))
2493 (process-send-region "article-x-face"
2494 (point-min) (point-max)))
2495 (process-send-eof "article-x-face")))
2497 (error "`%s' set to `%s' is not a function"
2498 gnus-article-x-face-command
2499 'gnus-article-x-face-command)))))))))
2501 (defun article-decode-mime-words ()
2502 "Decode all MIME-encoded words in the article."
2504 (gnus-with-article-buffer
2505 (let ((inhibit-point-motion-hooks t)
2506 (mail-parse-charset gnus-newsgroup-charset)
2507 (mail-parse-ignored-charsets
2508 (with-current-buffer gnus-summary-buffer
2509 gnus-newsgroup-ignored-charsets)))
2510 (mail-decode-encoded-word-region (point-min) (point-max)))))
2512 (defun article-decode-charset (&optional prompt)
2513 "Decode charset-encoded text in the article.
2514 If PROMPT (the prefix), prompt for a coding system to use."
2516 (let ((inhibit-point-motion-hooks t) (case-fold-search t)
2517 (inhibit-read-only t)
2518 (mail-parse-charset gnus-newsgroup-charset)
2519 (mail-parse-ignored-charsets
2520 (save-excursion (condition-case nil
2521 (set-buffer gnus-summary-buffer)
2523 gnus-newsgroup-ignored-charsets))
2524 ct cte ctl charset format)
2527 (article-narrow-to-head)
2528 (setq ct (message-fetch-field "Content-Type" t)
2529 cte (message-fetch-field "Content-Transfer-Encoding" t)
2530 ctl (and ct (mail-header-parse-content-type ct))
2533 (mm-read-coding-system "Charset to decode: "))
2535 (mail-content-type-get ctl 'charset)))
2536 format (and ctl (mail-content-type-get ctl 'format)))
2538 (setq cte (mail-header-strip cte)))
2539 (if (and ctl (not (string-match "/" (car ctl))))
2541 (goto-char (point-max)))
2544 (narrow-to-region (point) (point-max))
2545 (when (and (eq mail-parse-charset 'gnus-decoded)
2546 (eq (mm-body-7-or-8) '8bit))
2547 ;; The text code could have been decoded.
2548 (setq charset mail-parse-charset))
2549 (when (and (or (not ctl)
2550 (equal (car ctl) "text/plain"))
2551 (not format)) ;; article with format will decode later.
2553 charset (and cte (intern (downcase
2554 (gnus-strip-whitespace cte))))
2557 (defun article-decode-encoded-words ()
2558 "Remove encoded-word encoding from headers."
2559 (let ((inhibit-point-motion-hooks t)
2560 (mail-parse-charset gnus-newsgroup-charset)
2561 (mail-parse-ignored-charsets
2562 (save-excursion (condition-case nil
2563 (set-buffer gnus-summary-buffer)
2565 gnus-newsgroup-ignored-charsets))
2566 (inhibit-read-only t)
2568 (goto-char (point-min))
2569 (when (search-forward "\n\n" nil 'move)
2576 (memq (char-after) '(?\t ? )))))
2577 (setq start (point))
2579 \\(?:Resent-\\)?\\(?:From\\|Cc\\|To\\|Bcc\\|\\(?:In-\\)?Reply-To\\|Sender\
2580 \\|Mail-Followup-To\\|Mail-Copies-To\\|Approved\\):")
2581 (funcall gnus-decode-address-function start end)
2582 (funcall gnus-decode-header-function start end))
2583 (goto-char (setq end start)))))
2585 (defun article-decode-group-name ()
2586 "Decode group names in Newsgroups, Followup-To and Xref headers."
2587 (let ((inhibit-point-motion-hooks t)
2588 (inhibit-read-only t)
2589 (method (gnus-find-method-for-group gnus-newsgroup-name))
2591 (when (and (or gnus-group-name-charset-method-alist
2592 gnus-group-name-charset-group-alist)
2593 (gnus-buffer-live-p gnus-original-article-buffer))
2595 (article-narrow-to-head)
2596 (dolist (header '("Newsgroups" "Followup-To" "Xref"))
2597 (with-current-buffer gnus-original-article-buffer
2598 (goto-char (point-min)))
2599 (setq regexp (concat "^" header
2600 ":\\([^\n]*\\(?:\n[\t ]+[^\n]+\\)*\\)\n"))
2601 (while (re-search-forward regexp nil t)
2602 (replace-match (save-match-data
2603 (gnus-decode-newsgroups
2604 ;; XXX how to use data in article buffer?
2605 (with-current-buffer gnus-original-article-buffer
2606 (re-search-forward regexp nil t)
2608 gnus-newsgroup-name method))
2610 (goto-char (point-min)))))))
2612 (autoload 'idna-to-unicode "idna")
2614 (defun article-decode-idna-rhs ()
2615 "Decode IDNA strings in RHS in various headers in current buffer.
2616 The following headers are decoded: From:, To:, Cc:, Reply-To:,
2617 Mail-Reply-To: and Mail-Followup-To:."
2620 (let ((inhibit-point-motion-hooks t)
2621 (inhibit-read-only t))
2622 (article-narrow-to-head)
2623 (goto-char (point-min))
2624 (while (re-search-forward "@[^ \t\n\r,>]*\\(xn--[-A-Za-z0-9.]*\\)[ \t\n\r,>]" nil t)
2626 (when (save-match-data
2627 (and (setq ace (match-string 1))
2629 (and (re-search-backward "^[^ \t]" nil t)
2630 (looking-at "From\\|To\\|Cc\\|Reply-To\\|Mail-Reply-To\\|Mail-Followup-To")))
2631 (setq unicode (idna-to-unicode ace))))
2632 (unless (string= ace unicode)
2633 (replace-match unicode nil nil nil 1)))))))))
2635 (defun article-de-quoted-unreadable (&optional force read-charset)
2636 "Translate a quoted-printable-encoded article.
2637 If FORCE, decode the article whether it is marked as quoted-printable
2639 If READ-CHARSET, ask for a coding system."
2640 (interactive (list 'force current-prefix-arg))
2642 (let ((inhibit-read-only t) type charset)
2643 (if (gnus-buffer-live-p gnus-original-article-buffer)
2644 (with-current-buffer gnus-original-article-buffer
2646 (gnus-fetch-field "content-transfer-encoding"))
2647 (let* ((ct (gnus-fetch-field "content-type"))
2648 (ctl (and ct (mail-header-parse-content-type ct))))
2649 (setq charset (and ctl
2650 (mail-content-type-get ctl 'charset)))
2651 (if (stringp charset)
2652 (setq charset (intern (downcase charset)))))))
2654 (setq charset (mm-read-coding-system "Charset: " charset)))
2656 (setq charset gnus-newsgroup-charset))
2658 (and type (let ((case-fold-search t))
2659 (string-match "quoted-printable" type))))
2661 (quoted-printable-decode-region
2662 (point) (point-max) (mm-charset-to-coding-system charset))))))
2664 (defun article-de-base64-unreadable (&optional force read-charset)
2665 "Translate a base64 article.
2666 If FORCE, decode the article whether it is marked as base64 not.
2667 If READ-CHARSET, ask for a coding system."
2668 (interactive (list 'force current-prefix-arg))
2670 (let ((inhibit-read-only t) type charset)
2671 (if (gnus-buffer-live-p gnus-original-article-buffer)
2672 (with-current-buffer gnus-original-article-buffer
2674 (gnus-fetch-field "content-transfer-encoding"))
2675 (let* ((ct (gnus-fetch-field "content-type"))
2676 (ctl (and ct (mail-header-parse-content-type ct))))
2677 (setq charset (and ctl
2678 (mail-content-type-get ctl 'charset)))
2679 (if (stringp charset)
2680 (setq charset (intern (downcase charset)))))))
2682 (setq charset (mm-read-coding-system "Charset: " charset)))
2684 (setq charset gnus-newsgroup-charset))
2686 (and type (let ((case-fold-search t))
2687 (string-match "base64" type))))
2690 (narrow-to-region (point) (point-max))
2691 (base64-decode-region (point-min) (point-max))
2692 (mm-decode-coding-region
2693 (point-min) (point-max) (mm-charset-to-coding-system charset)))))))
2698 (defun article-decode-HZ ()
2699 "Translate a HZ-encoded article."
2703 (let ((inhibit-read-only t))
2704 (rfc1843-decode-region (point-min) (point-max)))))
2706 (defun article-unsplit-urls ()
2707 "Remove the newlines that some other mailers insert into URLs."
2710 (let ((inhibit-read-only t))
2711 (goto-char (point-min))
2712 (while (re-search-forward
2713 "\\(\\(https?\\|ftp\\)://\\S-+\\) *\n\\(\\S-+\\)" nil t)
2714 (replace-match "\\1\\3" t)))
2715 (when (interactive-p)
2716 (gnus-treat-article nil))))
2718 (defun article-wash-html ()
2719 "Format an HTML article."
2722 (buffer-read-only nil))
2723 (when (gnus-buffer-live-p gnus-original-article-buffer)
2724 (setq handles (mm-dissect-buffer t t)))
2726 (delete-region (point) (point-max))
2727 (mm-inline-text-html handles)))
2729 (defvar gnus-article-browse-html-temp-list nil
2730 "List of temporary files created by `gnus-article-browse-html-parts'.
2731 Internal variable.")
2733 (defcustom gnus-article-browse-delete-temp 'ask
2734 "What to do with temporary files from `gnus-article-browse-html-parts'.
2735 If nil, don't delete temporary files. If it is t, delete them on
2736 exit from the summary buffer. If it is the symbol `file', query
2737 on each file, if it is `ask' ask once when exiting from the
2739 :group 'gnus-article
2740 :version "23.1" ;; No Gnus
2741 :type '(choice (const :tag "Don't delete" nil)
2742 (const :tag "Don't ask" t)
2743 (const :tag "Ask" ask)
2744 (const :tag "Ask for each file" file)))
2746 ;; Cf. mm-postponed-undisplay-list / mm-destroy-postponed-undisplay-list.
2748 (defun gnus-article-browse-delete-temp-files (&optional how)
2749 "Delete temp-files created by `gnus-article-browse-html-parts'."
2750 (when (and gnus-article-browse-html-temp-list
2752 (or how (setq how gnus-article-browse-delete-temp))
2754 (let ((files (length gnus-article-browse-html-temp-list)))
2755 (gnus-y-or-n-p (format
2756 "Delete all %s temporary HTML file%s? "
2758 (if (> files 1) "s" ""))))
2760 (dolist (file gnus-article-browse-html-temp-list)
2761 (cond ((file-directory-p file)
2762 (when (or (not (eq how 'file))
2765 "Delete temporary HTML file(s) in directory `%s'? "
2766 (file-name-as-directory file))))
2767 (gnus-delete-directory file)))
2768 ((file-exists-p file)
2769 (when (or (not (eq how 'file))
2771 (format "Delete temporary HTML file `%s'? " file)))
2772 (delete-file file)))))
2773 ;; Also remove file from the list when not deleted or if file doesn't
2775 (setq gnus-article-browse-html-temp-list nil))
2776 gnus-article-browse-html-temp-list)
2778 (defun gnus-article-browse-html-save-cid-content (cid handles directory)
2779 "Find CID content in HANDLES and save it in a file in DIRECTORY.
2784 (dolist (handle handles)
2786 ((not (listp handle)))
2787 ((equal (mm-handle-media-supertype handle) "multipart")
2788 (when (setq file (gnus-article-browse-html-save-cid-content
2789 cid handle directory))
2790 (throw 'found file)))
2791 ((equal (concat "<" cid ">") (mm-handle-id handle))
2794 (or (mail-content-type-get
2795 (mm-handle-disposition handle) 'filename)
2796 (mail-content-type-get
2797 (setq type (mm-handle-type handle)) 'name)
2799 (make-temp-name "cid")
2800 (car (rassoc (car type) mailcap-mime-extensions))))
2802 (mm-save-part-to-file handle file)
2803 (throw 'found file))))))))
2805 (defun gnus-article-browse-html-parts (list &optional header)
2806 "View all \"text/html\" parts from LIST.
2807 Recurse into multiparts. The optional HEADER that should be a decoded
2808 message header will be added to the bodies of the \"text/html\" parts."
2809 ;; Internal function used by `gnus-article-browse-html-article'.
2810 (let (type file charset content cid-dir tmp-file showed)
2811 ;; Find and show the html-parts.
2812 (dolist (handle list)
2813 ;; If HTML, show it:
2814 (cond ((not (listp handle)))
2815 ((or (equal (car (setq type (mm-handle-type handle))) "text/html")
2816 (and (equal (car type) "message/external-body")
2818 (setq file (or (mail-content-type-get type 'name)
2819 (mail-content-type-get
2820 (mm-handle-disposition handle)
2822 (or (mm-handle-cache handle)
2823 (condition-case code
2824 (progn (mm-extern-cache-contents handle) t)
2826 (gnus-message 3 "%s" (error-message-string code))
2827 (when (>= gnus-verbose 3) (sit-for 2))
2830 (setq handle (mm-handle-cache handle)
2831 type (mm-handle-type handle))
2832 (equal (car type) "text/html"))))
2833 (setq charset (mail-content-type-get type 'charset)
2834 content (mm-get-part handle))
2836 (if (eq charset 'gnus-decoded)
2837 (mm-enable-multibyte)
2838 (mm-disable-multibyte))
2840 ;; resolve cid contents
2841 (let ((case-fold-search t)
2843 (goto-char (point-min))
2844 (while (re-search-forward "\
2845 <img[\t\n ]+\\(?:[^\t\n >]+[\t\n ]+\\)*src=\"\\(cid:\\([^\"]+\\)\\)\""
2848 (setq cid-dir (mm-make-temp-file "cid" t))
2849 (add-to-list 'gnus-article-browse-html-temp-list cid-dir))
2852 (when (setq cid-file
2853 (gnus-article-browse-html-save-cid-content
2855 (with-current-buffer gnus-article-buffer
2856 gnus-article-mime-handles)
2858 (replace-match (concat "file://" cid-file)
2860 (unless content (setq content (buffer-string))))
2861 (when (or charset header (not file))
2862 (setq tmp-file (mm-make-temp-file
2863 ;; Do we need to care for 8.3 filenames?
2864 "mm-" nil ".html")))
2865 ;; Add a meta html tag to specify charset and a header.
2868 (let (title eheader body hcharset coding force-charset)
2870 (mm-enable-multibyte)
2871 (setq case-fold-search t)
2872 (insert header "\n")
2873 (setq title (message-fetch-field "subject"))
2874 (goto-char (point-min))
2875 (while (re-search-forward "\\(<\\)\\|\\(>\\)\\|&" nil t)
2876 (replace-match (cond ((match-beginning 1) "<")
2877 ((match-beginning 2) ">")
2879 (goto-char (point-min))
2881 (goto-char (point-max))
2882 (insert "</pre>\n<hr>\n")
2883 ;; We have to examine charset one by one since
2884 ;; charset specified in parts might be different.
2885 (if (eq charset 'gnus-decoded)
2886 (setq charset 'utf-8
2887 eheader (mm-encode-coding-string (buffer-string)
2890 (mm-encode-coding-string title charset))
2891 body (mm-encode-coding-string content charset)
2893 (setq hcharset (mm-find-mime-charset-region (point-min)
2895 (cond ((= (length hcharset) 1)
2896 (setq hcharset (car hcharset)
2897 coding (mm-charset-to-coding-system
2899 ((> (length hcharset) 1)
2900 (setq hcharset 'utf-8
2906 (mm-charset-to-coding-system charset))
2907 (if (eq coding body)
2908 (setq eheader (mm-encode-coding-string
2909 (buffer-string) coding)
2911 (mm-encode-coding-string
2914 (setq charset 'utf-8
2915 eheader (mm-encode-coding-string
2916 (buffer-string) charset)
2918 (mm-encode-coding-string
2920 body (mm-encode-coding-string
2921 (mm-decode-coding-string
2925 (setq charset hcharset
2926 eheader (mm-encode-coding-string
2927 (buffer-string) coding)
2929 (mm-encode-coding-string
2932 (setq eheader (mm-string-as-unibyte (buffer-string))
2935 (mm-disable-multibyte)
2938 (mm-add-meta-html-tag handle charset force-charset))
2940 (goto-char (point-min))
2941 (unless (search-forward "<title>" nil t)
2942 (re-search-forward "<head>\\s-*" nil t)
2943 (insert "<title>" title "</title>\n")))
2944 (goto-char (point-min))
2945 (or (re-search-forward
2946 "<body\\(?:\\s-+[^>]+\\|\\s-*\\)>\\s-*" nil t)
2948 "</head\\(?:\\s-+[^>]+\\|\\s-*\\)>\\s-*" nil t))
2950 (mm-write-region (point-min) (point-max)
2951 tmp-file nil nil nil 'binary t))))
2953 (mm-with-unibyte-buffer
2954 (insert (if (eq charset 'gnus-decoded)
2955 (mm-encode-coding-string content
2956 (setq charset 'utf-8))
2958 (if (or (mm-add-meta-html-tag handle charset)
2960 (mm-write-region (point-min) (point-max)
2961 tmp-file nil nil nil 'binary t)
2962 (setq tmp-file nil))))
2964 (mm-save-part-to-file handle tmp-file)))
2966 (add-to-list 'gnus-article-browse-html-temp-list tmp-file))
2967 (add-hook 'gnus-summary-prepare-exit-hook
2968 'gnus-article-browse-delete-temp-files)
2969 (add-hook 'gnus-exit-gnus-hook
2971 (gnus-article-browse-delete-temp-files t)))
2972 ;; FIXME: Warn if there's an <img> tag?
2973 (browse-url-of-file (or tmp-file (expand-file-name file)))
2975 ;; If multipart, recurse
2976 ((equal (mm-handle-media-supertype handle) "multipart")
2977 (when (gnus-article-browse-html-parts handle header)
2979 ((equal (mm-handle-media-type handle) "message/rfc822")
2980 (mm-with-multibyte-buffer
2981 (mm-insert-part handle)
2982 (setq handle (mm-dissect-buffer t t))
2983 (when (and (bufferp (car handle))
2984 (stringp (car (mm-handle-type handle))))
2985 (setq handle (list handle)))
2987 (article-decode-encoded-words)
2988 (let ((gnus-visible-headers
2989 (or (get 'gnus-visible-headers 'standard-value)
2990 gnus-visible-headers)))
2991 (article-hide-headers))
2992 (goto-char (point-min))
2993 (search-forward "\n\n" nil 'move)
2994 (skip-chars-backward "\t\n ")
2995 (setq header (buffer-substring (point-min) (point)))))
2997 (gnus-article-browse-html-parts handle header)
2998 (mm-destroy-parts handle))
3002 (defun gnus-article-browse-html-article (&optional arg)
3003 "View \"text/html\" parts of the current article with a WWW browser.
3004 Inline images embedded in a message using the cid scheme, as they are
3005 generally considered to be safe, will be processed properly.
3006 The message header is added to the beginning of every html part unless
3007 the prefix argument ARG is given.
3009 Warning: Spammers use links to images (using the http scheme) in HTML
3010 articles to verify whether you have read the message. As
3011 `gnus-article-browse-html-article' passes the HTML content to the
3012 browser without eliminating these \"web bugs\" you should only
3013 use it for mails from trusted senders.
3015 If you always want to display HTML parts in the browser, set
3016 `mm-text-html-renderer' to nil.
3018 This command creates temporary files to pass HTML contents including
3019 images if any to the browser, and deletes them when exiting the group
3021 ;; Cf. `mm-w3m-safe-url-regexp'
3024 (gnus-summary-show-article)
3025 (let ((gnus-visible-headers (or (get 'gnus-visible-headers 'standard-value)
3026 gnus-visible-headers))
3027 ;; As we insert a <hr>, there's no need for the body boundary.
3028 (gnus-treat-body-boundary nil))
3029 (gnus-summary-show-article)))
3030 (with-current-buffer gnus-article-buffer
3031 (let ((header (unless arg
3034 (buffer-substring-no-properties
3035 (goto-char (point-min))
3036 (if (search-forward "\n\n" nil t)
3038 (goto-char (point-max))
3039 (skip-chars-backward "\t\n ")
3042 (set-buffer gnus-original-article-buffer)
3043 (setq parts (mm-dissect-buffer t t))
3044 ;; If singlepart, enforce a list.
3045 (when (and (bufferp (car parts))
3046 (stringp (car (mm-handle-type parts))))
3047 (setq parts (list parts)))
3049 (unless (gnus-article-browse-html-parts parts header)
3050 (gnus-error 3 "Mail doesn't contain a \"text/html\" part!"))
3051 (mm-destroy-parts parts)
3053 (gnus-summary-show-article)))))
3055 (defun article-hide-list-identifiers ()
3056 "Remove list identifies from the Subject header.
3057 The `gnus-list-identifiers' variable specifies what to do."
3059 (let ((inhibit-point-motion-hooks t)
3060 (regexp (if (consp gnus-list-identifiers)
3061 (mapconcat 'identity gnus-list-identifiers " *\\|")
3062 gnus-list-identifiers))
3063 (inhibit-read-only t))
3067 (article-narrow-to-head)
3068 (goto-char (point-min))
3069 (while (re-search-forward
3070 (concat "^Subject: +\\(R[Ee]: +\\)*\\(" regexp " *\\)")
3072 (delete-region (match-beginning 2) (match-end 0))
3073 (beginning-of-line))
3074 (when (re-search-forward
3075 "^Subject: +\\(\\(R[Ee]: +\\)+\\)R[Ee]: +" nil t)
3076 (delete-region (match-beginning 1) (match-end 1))))))))
3078 (defun article-hide-pem (&optional arg)
3079 "Toggle hiding of any PEM headers and signatures in the current article.
3080 If given a negative prefix, always show; if given a positive prefix,
3082 (interactive (gnus-article-hidden-arg))
3083 (unless (gnus-article-check-hidden-text 'pem arg)
3085 (let ((inhibit-read-only t) end)
3086 (goto-char (point-min))
3087 ;; Hide the horrendously ugly "header".
3088 (when (and (search-forward
3089 "\n-----BEGIN PRIVACY-ENHANCED MESSAGE-----\n"
3091 (setq end (1+ (match-beginning 0))))
3092 (gnus-add-wash-type 'pem)
3093 (gnus-article-hide-text-type
3095 (if (search-forward "\n\n" nil t)
3099 ;; Hide the trailer as well
3100 (when (search-forward "\n-----END PRIVACY-ENHANCED MESSAGE-----\n"
3102 (gnus-article-hide-text-type
3103 (match-beginning 0) (match-end 0) 'pem)))))))
3105 (defun article-strip-banner ()
3106 "Strip the banners specified by the `banner' group parameter and by
3107 `gnus-article-address-banner-alist'."
3111 (let ((inhibit-point-motion-hooks t))
3112 (when (gnus-parameter-banner gnus-newsgroup-name)
3113 (article-really-strip-banner
3114 (gnus-parameter-banner gnus-newsgroup-name)))
3115 (when gnus-article-address-banner-alist
3116 ;; Note that the From header is decoded here, so it is
3117 ;; required that the *-extract-address-components function
3118 ;; supports non-ASCII text.
3119 (let ((from (save-restriction
3121 (article-narrow-to-head)
3122 (mail-fetch-field "from"))))
3125 (cadr (funcall gnus-extract-address-components
3128 (dolist (pair gnus-article-address-banner-alist)
3129 (when (string-match (car pair) from)
3131 (article-really-strip-banner (cdr pair)))))))))))))
3133 (defun article-really-strip-banner (banner)
3134 "Strip the banner specified by the argument."
3137 (let ((inhibit-point-motion-hooks t)
3138 (gnus-signature-limit nil)
3139 (inhibit-read-only t))
3142 ((eq banner 'signature)
3143 (when (gnus-article-narrow-to-signature)
3146 (delete-region (point) (point-max))))
3148 (if (setq banner (cdr (assq banner gnus-article-banner-alist)))
3149 (while (re-search-forward banner nil t)
3150 (delete-region (match-beginning 0) (match-end 0)))))
3152 (while (re-search-forward banner nil t)
3153 (delete-region (match-beginning 0) (match-end 0)))))))))
3155 (defun article-babel ()
3156 "Translate article using an online translation service."
3159 (gnus-with-article-buffer
3160 (when (article-goto-body)
3161 (let* ((start (point))
3163 (orig (buffer-substring start end))
3164 (trans (babel-as-string orig)))
3166 (narrow-to-region start end)
3167 (delete-region start end)
3170 (defun article-hide-signature (&optional arg)
3171 "Hide the signature in the current article.
3172 If given a negative prefix, always show; if given a positive prefix,
3174 (interactive (gnus-article-hidden-arg))
3175 (unless (gnus-article-check-hidden-text 'signature arg)
3178 (let ((inhibit-read-only t))
3179 (when (gnus-article-narrow-to-signature)
3180 (gnus-article-hide-text-type
3181 (point-min) (point-max) 'signature))))))
3182 (gnus-set-mode-line 'article))
3184 (defun article-strip-headers-in-body ()
3185 "Strip offensive headers from bodies."
3189 (let ((case-fold-search t))
3190 (when (looking-at "x-no-archive:")
3191 (gnus-delete-line)))))
3193 (defun article-strip-leading-blank-lines ()
3194 "Remove all blank lines from the beginning of the article."
3197 (let ((inhibit-point-motion-hooks t)
3198 (inhibit-read-only t))
3199 (when (article-goto-body)
3200 (while (and (not (eobp))
3201 (looking-at "[ \t]*$"))
3202 (gnus-delete-line))))))
3204 (defun article-narrow-to-head ()
3205 "Narrow the buffer to the head of the message.
3206 Point is left at the beginning of the narrowed-to region."
3208 (goto-char (point-min))
3209 (if (search-forward "\n\n" nil 1)
3212 (goto-char (point-min)))
3214 (defun article-goto-body ()
3215 "Place point at the start of the body."
3216 (goto-char (point-min))
3218 ;; This variable is only bound when dealing with separate
3220 (article-goto-body-goes-to-point-min-p
3222 ((search-forward "\n\n" nil t)
3225 (goto-char (point-max))
3228 (defun article-strip-multiple-blank-lines ()
3229 "Replace consecutive blank lines with one empty line."
3232 (let ((inhibit-point-motion-hooks t)
3233 (inhibit-read-only t))
3234 ;; First make all blank lines empty.
3236 (while (re-search-forward "^[ \t]+$" nil t)
3237 (unless (gnus-annotation-in-region-p
3238 (match-beginning 0) (match-end 0))
3239 (replace-match "" nil t)))
3240 ;; Then replace multiple empty lines with a single empty line.
3242 (while (re-search-forward "\n\n\\(\n+\\)" nil t)
3243 (unless (gnus-annotation-in-region-p
3244 (match-beginning 0) (match-end 0))
3245 (delete-region (match-beginning 1) (match-end 1)))))))
3247 (defun article-strip-leading-space ()
3248 "Remove all white space from the beginning of the lines in the article."
3251 (let ((inhibit-point-motion-hooks t)
3252 (inhibit-read-only t))
3254 (while (re-search-forward "^[ \t]+" nil t)
3255 (replace-match "" t t)))))
3257 (defun article-strip-trailing-space ()
3258 "Remove all white space from the end of the lines in the article."
3261 (let ((inhibit-point-motion-hooks t)
3262 (inhibit-read-only t))
3264 (while (re-search-forward "[ \t]+$" nil t)
3265 (replace-match "" t t)))))
3267 (defun article-strip-blank-lines ()
3268 "Strip leading, trailing and multiple blank lines."
3270 (article-strip-leading-blank-lines)
3271 (article-remove-trailing-blank-lines)
3272 (article-strip-multiple-blank-lines))
3274 (defun article-strip-all-blank-lines ()
3275 "Strip all blank lines."
3278 (let ((inhibit-point-motion-hooks t)
3279 (inhibit-read-only t))
3281 (while (re-search-forward "^[ \t]*\n" nil t)
3282 (replace-match "" t t)))))
3284 (defun gnus-article-narrow-to-signature ()
3285 "Narrow to the signature; return t if a signature is found, else nil."
3286 (let ((inhibit-point-motion-hooks t))
3287 (when (gnus-article-search-signature)
3289 ;; Check whether we have some limits to what we consider
3290 ;; to be a signature.
3291 (let ((limits (if (listp gnus-signature-limit) gnus-signature-limit
3292 (list gnus-signature-limit)))
3294 (while (setq limit (pop limits))
3295 (if (or (and (integerp limit)
3296 (< (- (point-max) (point)) limit))
3298 (< (count-lines (point) (point-max)) limit))
3299 (and (functionp limit)
3301 (and (stringp limit)
3302 (not (re-search-forward limit nil t))))
3303 () ; This limit did not succeed.
3307 (narrow-to-region (point) (point-max))
3310 (defun gnus-article-search-signature ()
3311 "Search the current buffer for the signature separator.
3312 Put point at the beginning of the signature separator."
3313 (let ((cur (point)))
3314 (goto-char (point-max))
3315 (if (if (stringp gnus-signature-separator)
3316 (re-search-backward gnus-signature-separator nil t)
3317 (let ((seps gnus-signature-separator))
3319 (not (re-search-backward (car seps) nil t)))
3326 (defun gnus-article-hidden-arg ()
3327 "Return the current prefix arg as a number, or 0 if no prefix."
3328 (list (if current-prefix-arg
3329 (prefix-numeric-value current-prefix-arg)
3332 (defun gnus-article-check-hidden-text (type arg)
3333 "Return nil if hiding is necessary.
3334 Arg can be nil or a number. nil and positive means hide, negative
3335 means show, 0 means toggle."
3338 (let ((hide (gnus-article-hidden-text-p type)))
3344 (gnus-article-show-hidden-text type)
3347 (if (eq hide 'hidden)
3349 (gnus-article-show-hidden-text type)
3353 (defun gnus-article-hidden-text-p (type)
3354 "Say whether the current buffer contains hidden text of type TYPE."
3355 (let ((pos (text-property-any (point-min) (point-max) 'article-type type)))
3357 (not (get-text-property pos 'invisible))
3358 (not (get-text-property pos 'dummy-invisible)))
3360 (text-property-any (1+ pos) (point-max) 'article-type type)))
3365 (defun gnus-article-show-hidden-text (type &optional dummy)
3366 "Show all hidden text of type TYPE.
3367 Originally it is hide instead of DUMMY."
3368 (let ((inhibit-read-only t)
3369 (inhibit-point-motion-hooks t))
3370 (gnus-remove-text-properties-when
3372 (point-min) (point-max)
3373 (cons 'article-type (cons type
3374 gnus-hidden-properties)))
3375 (gnus-delete-wash-type type)))
3377 (defconst article-time-units
3378 `((year . ,(* 365.25 24 60 60))
3379 (week . ,(* 7 24 60 60))
3380 (day . ,(* 24 60 60))
3384 "Mapping from time units to seconds.")
3386 (defun gnus-article-forward-header ()
3387 "Move point to the start of the next header.
3388 If the current header is a continuation header, this can be several
3393 (if (looking-at "[ \t]+[^ \t]")
3397 (defun article-date-ut (&optional type highlight)
3398 "Convert DATE date to universal time in the current article.
3399 If TYPE is `local', convert to local time; if it is `lapsed', output
3400 how much time has lapsed since DATE. For `lapsed', the value of
3401 `gnus-article-date-lapsed-new-header' says whether the \"X-Sent:\" header
3402 should replace the \"Date:\" one, or should be added below it."
3403 (interactive (list 'ut t))
3404 (let* ((tdate-regexp "^Date:[ \t]\\|^X-Sent:[ \t]")
3405 (date-regexp (cond ((not gnus-article-date-lapsed-new-header)
3409 (article-lapsed-timer
3413 (case-fold-search t)
3414 (inhibit-read-only t)
3415 (inhibit-point-motion-hooks t)
3416 pos date bface eface)
3420 (goto-char (point-min))
3421 (while (or (setq date (get-text-property (setq pos (point))
3423 (when (setq pos (next-single-property-change
3424 (point) 'original-date))
3425 (setq date (get-text-property pos 'original-date))
3428 pos (if (setq pos (text-property-any pos (point-max)
3429 'original-date nil))
3432 (if (or (bolp) (eobp))
3436 (goto-char (point-min))
3437 (when (re-search-forward tdate-regexp nil t)
3438 (setq bface (get-text-property (point-at-bol) 'face)
3439 eface (get-text-property (1- (point-at-eol)) 'face)))
3440 (goto-char (point-min))
3442 ;; Delete any old Date headers.
3443 (while (re-search-forward date-regexp nil t)
3445 (delete-region (point-at-bol) (progn
3446 (gnus-article-forward-header)
3448 (delete-region (point-at-bol) (progn
3449 (gnus-article-forward-header)
3452 (setq pos (point))))
3453 (when (and (not pos)
3454 (re-search-forward tdate-regexp nil t))
3456 (gnus-goto-char pos)
3457 (insert (article-make-date-line date (or type 'ut)))
3463 (when (looking-at "\\([^:]+\\): *\\(.*\\)$")
3464 (put-text-property (match-beginning 1) (1+ (match-end 1))
3466 (put-text-property (match-beginning 2) (match-end 2)
3468 (put-text-property (point-min) (1- (point-max)) 'original-date date)
3469 (goto-char (point-max))
3472 (defun article-make-date-line (date type)
3473 "Return a DATE line of TYPE."
3474 (unless (memq type '(local ut original user iso8601 lapsed english))
3475 (error "Unknown conversion type: %s" type))
3477 (let ((time (date-to-time date)))
3479 ;; Convert to the local timezone.
3481 (concat "Date: " (message-make-date time)))
3482 ;; Convert to Universal Time.
3487 (let* ((e (parse-time-string date))
3488 (tm (apply 'encode-time e))
3490 (ls (- (cadr tm) (car (current-time-zone time)))))
3491 (cond ((< ls 0) (list (1- ms) (+ ls 65536)))
3492 ((> ls 65535) (list (1+ ms) (- ls 65536)))
3496 ;; Get the original date from the article.
3497 ((eq type 'original)
3498 (concat "Date: " (if (string-match "\n+$" date)
3499 (substring date 0 (match-beginning 0))
3501 ;; Let the user define the format.
3503 (let ((format (or (condition-case nil
3504 (with-current-buffer gnus-summary-buffer
3505 gnus-article-time-format)
3507 gnus-article-time-format)))
3508 (if (functionp format)
3509 (funcall format time)
3510 (concat "Date: " (format-time-string format time)))))
3513 (let ((tz (car (current-time-zone time))))
3516 (format-time-string "%Y%m%dT%H%M%S" time)
3517 (format "%s%02d%02d"
3518 (if (> tz 0) "+" "-") (/ (abs tz) 3600)
3519 (/ (% (abs tz) 3600) 60)))))
3520 ;; Do an X-Sent lapsed format.
3522 ;; If the date is seriously mangled, the timezone functions are
3523 ;; liable to bug out, so we ignore all errors.
3524 (let* ((now (current-time))
3525 (real-time (subtract-time now time))
3526 (real-sec (and real-time
3527 (+ (* (float (car real-time)) 65536)
3529 (sec (and real-time (abs real-sec)))
3539 ;; This is a bit convoluted, but basically we go
3540 ;; through the time units for years, weeks, etc,
3541 ;; and divide things to see whether that results
3542 ;; in positive answers.
3545 (if (zerop (setq num (ffloor (/ sec (cdr unit)))))
3546 ;; The (remaining) seconds are too few to
3547 ;; be divided into this time unit.
3549 ;; It's big enough, so we output it.
3550 (setq sec (- sec (* num (cdr unit))))
3552 (concat (if prev ", " "") (int-to-string
3554 " " (symbol-name (car unit))
3555 (if (> num 1) "s" ""))
3557 article-time-units "")
3558 ;; If dates are odd, then it might appear like the
3559 ;; article was sent in the future.
3562 " in the future"))))))
3563 ;; Display the date in proper English
3565 (let ((dtime (decode-time time)))
3568 (number-to-string (nth 3 dtime))
3569 (let ((digit (% (nth 3 dtime) 10)))
3571 ((memq (nth 3 dtime) '(11 12 13)) "th")
3577 (nth (1- (nth 4 dtime)) gnus-english-month-names)
3579 (number-to-string (nth 5 dtime))
3581 (format "%02d" (nth 2 dtime))
3583 (format "%02d" (nth 1 dtime)))))))
3585 (format "Date: %s (from Gnus)" date))))
3587 (defun article-date-local (&optional highlight)
3588 "Convert the current article date to the local timezone."
3589 (interactive (list t))
3590 (article-date-ut 'local highlight))
3592 (defun article-date-english (&optional highlight)
3593 "Convert the current article date to something that is proper English."
3594 (interactive (list t))
3595 (article-date-ut 'english highlight))
3597 (defun article-date-original (&optional highlight)
3598 "Convert the current article date to what it was originally.
3599 This is only useful if you have used some other date conversion
3600 function and want to see what the date was before converting."
3601 (interactive (list t))
3602 (article-date-ut 'original highlight))
3604 (defun article-date-lapsed (&optional highlight)
3605 "Convert the current article date to time lapsed since it was sent."
3606 (interactive (list t))
3607 (article-date-ut 'lapsed highlight))
3609 (defun article-update-date-lapsed ()
3610 "Function to be run from a timer to update the lapsed time line."
3612 (let (deactivate-mark)
3617 (set-buffer (window-buffer w))
3618 (when (eq major-mode 'gnus-article-mode)
3619 (let ((mark (point-marker)))
3620 (goto-char (point-min))
3621 (when (re-search-forward "^X-Sent:" nil t)
3622 (article-date-lapsed t))
3623 (goto-char (marker-position mark))
3624 (move-marker mark nil))))
3627 (defun gnus-start-date-timer (&optional n)
3628 "Start a timer to update the X-Sent header in the article buffers.
3629 The numerical prefix says how frequently (in seconds) the function
3634 (gnus-stop-date-timer)
3635 (setq article-lapsed-timer
3636 (run-at-time 1 n 'article-update-date-lapsed)))
3638 (defun gnus-stop-date-timer ()
3639 "Stop the X-Sent timer."
3641 (when article-lapsed-timer
3642 (nnheader-cancel-timer article-lapsed-timer)
3643 (setq article-lapsed-timer nil)))
3645 (defun article-date-user (&optional highlight)
3646 "Convert the current article date to the user-defined format.
3647 This format is defined by the `gnus-article-time-format' variable."
3648 (interactive (list t))
3649 (article-date-ut 'user highlight))
3651 (defun article-date-iso8601 (&optional highlight)
3652 "Convert the current article date to ISO8601."
3653 (interactive (list t))
3654 (article-date-ut 'iso8601 highlight))
3656 (defmacro gnus-article-save-original-date (&rest forms)
3657 "Save the original date as a text property and evaluate FORMS."
3658 `(let* ((case-fold-search t)
3660 (goto-char (point-min))
3661 (when (and (re-search-forward "^date:[\t\n ]+" nil t)
3664 (date (when (and start
3665 (re-search-forward "[\t ]*\n\\(?:[^\t ]\\|\\'\\)"
3667 (buffer-substring-no-properties start
3668 (match-beginning 0)))))
3669 (goto-char (point-max))
3670 (skip-chars-backward "\n")
3671 (put-text-property (point-min) (point) 'original-date date)
3673 (goto-char (point-max))
3674 (skip-chars-backward "\n")
3675 (put-text-property (point-min) (point) 'original-date date)))
3677 ;; (defun article-show-all ()
3678 ;; "Show all hidden text in the article buffer."
3681 ;; (let ((inhibit-read-only t))
3682 ;; (gnus-article-unhide-text (point-min) (point-max)))))
3684 (defun article-remove-leading-whitespace ()
3685 "Remove excessive whitespace from all headers."
3689 (let ((inhibit-read-only t))
3690 (article-narrow-to-head)
3691 (goto-char (point-min))
3692 (while (re-search-forward "^[^ :]+: \\([ \t]+\\)" nil t)
3693 (delete-region (match-beginning 1) (match-end 1)))))))
3695 (defun article-emphasize (&optional arg)
3696 "Emphasize text according to `gnus-emphasis-alist'."
3697 (interactive (gnus-article-hidden-arg))
3698 (unless (gnus-article-check-hidden-text 'emphasis arg)
3702 (with-current-buffer gnus-summary-buffer
3703 gnus-article-emphasis-alist)
3705 gnus-emphasis-alist))
3706 (inhibit-read-only t)
3707 (props (append '(article-type emphasis)
3708 gnus-hidden-properties))
3709 regexp elem beg invisible visible face)
3712 (while (setq elem (pop alist))
3714 (setq regexp (car elem)
3715 invisible (nth 1 elem)
3716 visible (nth 2 elem)
3718 (while (re-search-forward regexp nil t)
3719 (when (and (match-beginning visible) (match-beginning invisible))
3720 (gnus-article-hide-text
3721 (match-beginning invisible) (match-end invisible) props)
3722 (gnus-article-unhide-text-type
3723 (match-beginning visible) (match-end visible) 'emphasis)
3724 (gnus-put-overlay-excluding-newlines
3725 (match-beginning visible) (match-end visible) 'face face)
3726 (gnus-add-wash-type 'emphasis)
3727 (goto-char (match-end invisible)))))))))
3729 (defun gnus-article-setup-highlight-words (&optional highlight-words)
3730 "Setup newsgroup emphasis alist."
3731 (unless gnus-article-emphasis-alist
3732 (let ((name (and gnus-newsgroup-name
3733 (gnus-group-real-name gnus-newsgroup-name))))
3734 (make-local-variable 'gnus-article-emphasis-alist)
3735 (setq gnus-article-emphasis-alist
3737 (let ((alist gnus-group-highlight-words-alist) elem highlight)
3738 (while (setq elem (pop alist))
3739 (when (and name (string-match (car elem) name))
3741 highlight (copy-sequence (cdr elem)))))
3743 (copy-sequence highlight-words)
3744 (if gnus-newsgroup-name
3745 (copy-sequence (gnus-group-find-parameter
3746 gnus-newsgroup-name 'highlight-words t)))
3747 gnus-emphasis-alist)))))
3749 (defvar gnus-summary-article-menu)
3750 (defvar gnus-summary-post-menu)
3752 ;;; Saving functions.
3754 (defun gnus-article-save (save-buffer file &optional num)
3755 "Save the currently selected article."
3756 (when (or (get gnus-default-article-saver :headers)
3757 (not gnus-save-all-headers))
3758 ;; Remove headers according to `gnus-saved-headers' or the value
3759 ;; of the `:headers' property that the saver function might have.
3760 (let ((gnus-visible-headers
3761 (or (symbol-value (get gnus-default-article-saver :headers))
3762 gnus-saved-headers gnus-visible-headers))
3763 ;; Ignore group parameter. See `article-hide-headers'.
3764 (gnus-summary-buffer nil))
3765 (with-current-buffer save-buffer
3766 (article-hide-headers 1 t))))
3767 (save-window-excursion
3768 (if (not gnus-default-article-saver)
3769 (error "No default saver is defined")
3770 ;; !!! Magic! The saving functions all save
3771 ;; `gnus-save-article-buffer' (or so they think), but we
3772 ;; bind that variable to our save-buffer.
3773 (set-buffer gnus-article-buffer)
3774 (let* ((gnus-save-article-buffer save-buffer)
3777 ((not gnus-prompt-before-saving) 'default)
3778 ((eq gnus-prompt-before-saving 'always) nil)
3780 (gnus-number-of-articles-to-be-saved
3781 (when (eq gnus-prompt-before-saving t)
3783 (set-buffer gnus-article-current-summary)
3784 (funcall gnus-default-article-saver filename)))))
3786 (defun gnus-read-save-file-name (prompt &optional filename
3787 function group headers variable
3790 (funcall function group headers (symbol-value variable)))
3795 ((eq filename 'default)
3801 (when (symbol-value dir-var)
3802 (setq default-name (expand-file-name
3803 (file-name-nondirectory default-name)
3804 (symbol-value dir-var))))
3805 (let* ((split-name (gnus-get-split-value gnus-split-methods))
3808 (if (and gnus-number-of-articles-to-be-saved
3809 (> gnus-number-of-articles-to-be-saved 1))
3810 (format "these %d articles"
3811 gnus-number-of-articles-to-be-saved)
3814 ;; Let the split methods have their say.
3816 ;; No split name was found.
3819 (concat prompt " (default "
3820 (file-name-nondirectory default-name) "): ")
3821 (file-name-directory default-name)
3823 ;; A single group name is returned.
3824 ((stringp split-name)
3826 (funcall function split-name headers
3827 (symbol-value variable)))
3829 (concat prompt " (default "
3830 (file-name-nondirectory default-name) "): ")
3831 (file-name-directory default-name)
3833 ;; A single split name was found
3834 ((= 1 (length split-name))
3835 (let* ((name (expand-file-name
3837 gnus-article-save-directory))
3838 (dir (cond ((file-directory-p name)
3839 (file-name-as-directory name))
3840 ((file-exists-p name) name)
3841 (t gnus-article-save-directory))))
3843 (concat prompt " (default " name "): ")
3845 ;; A list of splits was found.
3847 (setq split-name (nreverse split-name))
3849 (let ((file-name-history
3850 (nconc split-name file-name-history)))
3854 (concat prompt " (`M-p' for defaults): ")
3855 gnus-article-save-directory
3857 gnus-article-save-directory)))
3858 (car (push result file-name-history)))))))
3859 ;; Create the directory.
3860 (gnus-make-directory (file-name-directory file))
3861 ;; If we have read a directory, we append the default file name.
3862 (when (file-directory-p file)
3863 (setq file (expand-file-name (file-name-nondirectory
3865 (file-name-as-directory file))))
3866 ;; Possibly translate some characters.
3867 (nnheader-translate-file-chars file))))))
3868 (gnus-make-directory (file-name-directory result))
3870 (set variable result))
3872 (set dir-var (file-name-directory result)))
3875 (defun gnus-article-archive-name (group)
3876 "Return the first instance of an \"Archive-name\" in the current buffer."
3877 (let ((case-fold-search t))
3878 (when (re-search-forward "archive-name: *\\([^ \n\t]+\\)[ \t]*$" nil t)
3879 (nnheader-concat gnus-article-save-directory
3880 (match-string 1)))))
3882 (defun gnus-article-nndoc-name (group)
3883 "If GROUP is an nndoc group, return the name of the parent group."
3884 (when (eq (car (gnus-find-method-for-group group)) 'nndoc)
3885 (gnus-group-get-parameter group 'save-article-group)))
3887 (defun gnus-summary-save-in-rmail (&optional filename)
3888 "Append this article to Rmail file.
3889 Optional argument FILENAME specifies file name.
3890 Directory to save to is default to `gnus-article-save-directory'."
3891 (setq filename (gnus-read-save-file-name
3892 "Save %s in rmail file" filename
3893 gnus-rmail-save-name gnus-newsgroup-name
3894 gnus-current-headers 'gnus-newsgroup-last-rmail))
3895 (with-current-buffer gnus-save-article-buffer
3899 ;; Note that unlike gnus-summary-save-in-mail, there is no
3900 ;; check to see if filename is Babyl. Rmail in Emacs 23 does
3902 (gnus-output-to-rmail filename))))
3905 (defun gnus-summary-save-in-mail (&optional filename)
3906 "Append this article to Unix mail file.
3907 Optional argument FILENAME specifies file name.
3908 Directory to save to is default to `gnus-article-save-directory'."
3909 (setq filename (gnus-read-save-file-name
3910 "Save %s in Unix mail file" filename
3911 gnus-mail-save-name gnus-newsgroup-name
3912 gnus-current-headers 'gnus-newsgroup-last-mail))
3913 (with-current-buffer gnus-save-article-buffer
3917 (if (and (file-readable-p filename)
3918 (file-regular-p filename)
3919 (mail-file-babyl-p filename))
3920 (gnus-output-to-rmail filename)
3921 (gnus-output-to-mail filename)))))
3924 (put 'gnus-summary-save-in-file :decode t)
3925 (put 'gnus-summary-save-in-file :headers 'gnus-saved-headers)
3926 (defun gnus-summary-save-in-file (&optional filename overwrite)
3927 "Append this article to file.
3928 Optional argument FILENAME specifies file name.
3929 Directory to save to is default to `gnus-article-save-directory'."
3930 (setq filename (gnus-read-save-file-name
3931 "Save %s in file" filename
3932 gnus-file-save-name gnus-newsgroup-name
3933 gnus-current-headers 'gnus-newsgroup-last-file))
3934 (with-current-buffer gnus-save-article-buffer
3938 (when (and overwrite
3939 (file-exists-p filename))
3940 (delete-file filename))
3941 (gnus-output-to-file filename))))
3944 (put 'gnus-summary-write-to-file :decode t)
3945 (put 'gnus-summary-write-to-file :function 'gnus-summary-save-in-file)
3946 (put 'gnus-summary-write-to-file :headers 'gnus-saved-headers)
3947 (defun gnus-summary-write-to-file (&optional filename)
3948 "Write this article to a file, overwriting it if the file exists.
3949 Optional argument FILENAME specifies file name.
3950 The directory to save in defaults to `gnus-article-save-directory'."
3951 (setq filename (gnus-read-save-file-name
3952 "Save %s in file" filename
3953 gnus-file-save-name gnus-newsgroup-name
3954 gnus-current-headers nil 'gnus-newsgroup-last-directory))
3955 (gnus-summary-save-in-file filename t))
3957 (put 'gnus-summary-save-body-in-file :decode t)
3958 (defun gnus-summary-save-body-in-file (&optional filename overwrite)
3959 "Append this article body to a file.
3960 Optional argument FILENAME specifies file name.
3961 The directory to save in defaults to `gnus-article-save-directory'."
3962 (setq filename (gnus-read-save-file-name
3963 "Save %s body in file" filename
3964 gnus-file-save-name gnus-newsgroup-name
3965 gnus-current-headers 'gnus-newsgroup-last-file))
3966 (with-current-buffer gnus-save-article-buffer
3970 (when (article-goto-body)
3971 (narrow-to-region (point) (point-max)))
3972 (when (and overwrite
3973 (file-exists-p filename))
3974 (delete-file filename))
3975 (gnus-output-to-file filename))))
3978 (put 'gnus-summary-write-body-to-file :decode t)
3979 (put 'gnus-summary-write-body-to-file
3980 :function 'gnus-summary-save-body-in-file)
3981 (defun gnus-summary-write-body-to-file (&optional filename)
3982 "Write this article body to a file, overwriting it if the file exists.
3983 Optional argument FILENAME specifies file name.
3984 The directory to save in defaults to `gnus-article-save-directory'."
3985 (setq filename (gnus-read-save-file-name
3986 "Save %s body in file" filename
3987 gnus-file-save-name gnus-newsgroup-name
3988 gnus-current-headers nil 'gnus-newsgroup-last-directory))
3989 (gnus-summary-save-body-in-file filename t))
3991 (put 'gnus-summary-save-in-pipe :decode t)
3992 (put 'gnus-summary-save-in-pipe :headers 'gnus-saved-headers)
3993 (defun gnus-summary-save-in-pipe (&optional command raw)
3994 "Pipe this article to subprocess COMMAND.
3995 Valid values for COMMAND include:
3997 The executable command name and possibly arguments.
3999 You will be prompted for the command in the minibuffer.
4000 the symbol `default'
4001 It will be replaced with the command which the variable
4002 `gnus-summary-pipe-output-default-command' holds or the command
4003 last used for saving.
4004 Non-nil value for RAW overrides `:decode' and `:headers' properties
4005 and the raw article including all headers will be piped."
4006 (let ((article (gnus-summary-article-number))
4008 (get 'gnus-summary-save-in-pipe :decode)))
4009 save-buffer default)
4011 (if (vectorp (gnus-summary-article-header article))
4012 (save-current-buffer
4013 (gnus-summary-select-article decode decode nil article)
4014 (insert-buffer-substring
4018 gnus-original-article-buffer)
4020 (nnheader-set-temp-buffer " *Gnus Save*"))))
4021 ;; Remove unwanted headers.
4022 (when (and (not raw)
4023 (or (get 'gnus-summary-save-in-pipe :headers)
4024 (not gnus-save-all-headers)))
4025 (let ((gnus-visible-headers
4026 (or (symbol-value (get 'gnus-summary-save-in-pipe
4028 gnus-saved-headers gnus-visible-headers))
4029 (gnus-summary-buffer nil))
4030 (article-hide-headers 1 t))))
4031 (error "%d is not a real article" article))
4032 (error "No article to pipe"))
4033 (setq default (or gnus-summary-pipe-output-default-command
4034 gnus-last-shell-command))
4035 (unless (stringp command)
4037 (if (and (eq command 'default) default)
4039 (gnus-read-shell-command "Shell command on this article: "
4041 (when (string-equal command "")
4043 (setq command default)
4044 (error "A command is required")))
4045 (with-current-buffer save-buffer
4048 (shell-command-on-region (point-min) (point-max) command nil)))
4049 (gnus-kill-buffer save-buffer))
4050 (setq gnus-summary-pipe-output-default-command command))
4052 (defun gnus-summary-pipe-to-muttprint (&optional command)
4053 "Pipe this article to muttprint."
4054 (unless (stringp command)
4055 (setq command (read-string
4056 "Print using command: " gnus-summary-muttprint-program
4057 nil gnus-summary-muttprint-program)))
4058 (let ((gnus-summary-pipe-output-default-command
4059 gnus-summary-pipe-output-default-command))
4060 (gnus-summary-save-in-pipe command))
4061 (setq gnus-summary-muttprint-program command))
4063 ;;; Article file names when saving.
4065 (defun gnus-capitalize-newsgroup (newsgroup)
4066 "Capitalize NEWSGROUP name."
4067 (when (not (zerop (length newsgroup)))
4068 (concat (char-to-string (upcase (aref newsgroup 0)))
4069 (substring newsgroup 1))))
4071 (defun gnus-Numeric-save-name (newsgroup headers &optional last-file)
4072 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
4073 If variable `gnus-use-long-file-name' is non-nil, it is ~/News/News.group/num.
4074 Otherwise, it is like ~/News/news/group/num."
4077 (concat (if (gnus-use-long-file-name 'not-save)
4078 (gnus-capitalize-newsgroup newsgroup)
4079 (gnus-newsgroup-directory-form newsgroup))
4080 "/" (int-to-string (mail-header-number headers)))
4081 gnus-article-save-directory)))
4083 (string-equal (file-name-directory default)
4084 (file-name-directory last-file))
4085 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
4087 (or last-file default))))
4089 (defun gnus-numeric-save-name (newsgroup headers &optional last-file)
4090 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
4091 If variable `gnus-use-long-file-name' is non-nil, it is
4092 ~/News/news.group/num. Otherwise, it is like ~/News/news/group/num."
4095 (concat (if (gnus-use-long-file-name 'not-save)
4097 (gnus-newsgroup-directory-form newsgroup))
4098 "/" (int-to-string (mail-header-number headers)))
4099 gnus-article-save-directory)))
4101 (string-equal (file-name-directory default)
4102 (file-name-directory last-file))
4103 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
4105 (or last-file default))))
4107 (defun gnus-plain-save-name (newsgroup headers &optional last-file)
4108 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
4109 If variable `gnus-use-long-file-name' is non-nil, it is
4110 ~/News/news.group. Otherwise, it is like ~/News/news/group/news."
4113 (if (gnus-use-long-file-name 'not-save)
4116 (expand-file-name "news" (gnus-newsgroup-directory-form newsgroup))
4118 gnus-article-save-directory)))
4120 (defun gnus-sender-save-name (newsgroup headers &optional last-file)
4121 "Generate file name from sender."
4122 (let ((from (mail-header-from headers)))
4124 (if (and from (string-match "\\([^ <]+\\)@" from))
4125 (match-string 1 from)
4127 gnus-article-save-directory)))
4129 (defun article-verify-x-pgp-sig ()
4131 ;; <ftp://ftp.isc.org/pub/pgpcontrol/FORMAT>
4133 (if (gnus-buffer-live-p gnus-original-article-buffer)
4134 (let ((sig (with-current-buffer gnus-original-article-buffer
4135 (gnus-fetch-field "X-PGP-Sig")))
4139 (mml2015-clear-verify-function))
4141 (insert-buffer-substring gnus-original-article-buffer)
4142 (setq items (split-string sig))
4143 (message-narrow-to-head)
4144 (let ((inhibit-point-motion-hooks t)
4145 (case-fold-search t))
4146 ;; Don't verify multiple headers.
4147 (setq headers (mapconcat (lambda (header)
4149 (mail-fetch-field header)
4151 (split-string (nth 1 items) ",") "")))
4152 (delete-region (point-min) (point-max))
4153 (insert "-----BEGIN PGP SIGNED MESSAGE-----\n\n")
4154 (insert "X-Signed-Headers: " (nth 1 items) "\n")
4159 (if (looking-at "^-")
4162 (insert "\n-----BEGIN PGP SIGNATURE-----\n")
4163 (insert "Version: " (car items) "\n\n")
4164 (insert (mapconcat 'identity (cddr items) "\n"))
4165 (insert "\n-----END PGP SIGNATURE-----\n")
4166 (let ((mm-security-handle (list (format "multipart/signed"))))
4167 (mml2015-clean-buffer)
4168 (let ((coding-system-for-write (or gnus-newsgroup-charset
4170 (funcall (mml2015-clear-verify-function)))
4172 (or (mm-handle-multipart-ctl-parameter
4173 mm-security-handle 'gnus-details)
4174 (mm-handle-multipart-ctl-parameter
4175 mm-security-handle 'gnus-info)))))
4177 (let ((inhibit-read-only t) bface eface)
4179 (message-narrow-to-head)
4180 (goto-char (point-max))
4182 (setq bface (get-text-property (point-at-bol) 'face)
4183 eface (get-text-property (1- (point-at-eol)) 'face))
4184 (message-remove-header "X-Gnus-PGP-Verify")
4185 (if (re-search-forward "^X-PGP-Sig:" nil t)
4187 (goto-char (point-max)))
4188 (narrow-to-region (point) (point))
4189 (insert "X-Gnus-PGP-Verify: " info "\n")
4190 (goto-char (point-min))
4193 (if (not (looking-at "^[ \t]"))
4197 (goto-char (point-min))
4198 (when (looking-at "\\([^:]+\\): *")
4199 (put-text-property (match-beginning 1) (1+ (match-end 1))
4201 (put-text-property (match-end 0) (point-max)
4202 'face eface)))))))))
4204 (autoload 'canlock-verify "canlock" nil t) ;; for XEmacs.
4206 (defun article-verify-cancel-lock ()
4207 "Verify Cancel-Lock header."
4209 (if (gnus-buffer-live-p gnus-original-article-buffer)
4210 (canlock-verify gnus-original-article-buffer)))
4217 (setq afunc (car func)
4220 gfunc (intern (format "gnus-%s" func))))
4222 (when (fboundp afunc)
4223 `(lambda (&optional interactive &rest args)
4224 ,(documentation afunc t)
4225 (interactive (list t))
4226 (with-current-buffer gnus-article-buffer
4228 (call-interactively ',afunc)
4229 (apply ',afunc args))))))))
4230 '(article-hide-headers
4231 article-verify-x-pgp-sig
4232 article-verify-cancel-lock
4233 article-hide-boring-headers
4234 article-treat-overstrike
4235 article-treat-ansi-sequences
4236 article-fill-long-lines
4237 article-capitalize-sentences
4239 article-remove-leading-whitespace
4240 article-display-x-face
4241 article-display-face
4242 article-de-quoted-unreadable
4243 article-de-base64-unreadable
4246 article-unsplit-urls
4247 article-hide-list-identifiers
4248 article-strip-banner
4251 article-hide-signature
4252 article-strip-headers-in-body
4253 article-remove-trailing-blank-lines
4254 article-strip-leading-blank-lines
4255 article-strip-multiple-blank-lines
4256 article-strip-leading-space
4257 article-strip-trailing-space
4258 article-strip-blank-lines
4259 article-strip-all-blank-lines
4261 article-date-english
4262 article-date-iso8601
4263 article-date-original
4265 article-decode-mime-words
4266 article-decode-charset
4267 article-decode-encoded-words
4271 article-treat-dumbquotes
4272 article-treat-non-ascii
4273 article-normalize-headers
4274 ;;(article-show-all . gnus-article-show-all-headers)
4278 ;;; Gnus article mode
4281 (put 'gnus-article-mode 'mode-class 'special)
4283 (set-keymap-parent gnus-article-mode-map widget-keymap)
4285 (gnus-define-keys gnus-article-mode-map
4286 " " gnus-article-goto-next-page
4287 "\177" gnus-article-goto-prev-page
4288 [delete] gnus-article-goto-prev-page
4289 [backspace] gnus-article-goto-prev-page
4290 "\C-c^" gnus-article-refer-article
4291 "h" gnus-article-show-summary
4292 "s" gnus-article-show-summary
4293 "\C-c\C-m" gnus-article-mail
4294 "?" gnus-article-describe-briefly
4295 "<" beginning-of-buffer
4297 "\C-c\C-i" gnus-info-find-node
4299 "R" gnus-article-reply-with-original
4300 "F" gnus-article-followup-with-original
4301 "\C-hk" gnus-article-describe-key
4302 "\C-hc" gnus-article-describe-key-briefly
4303 "\C-hb" gnus-article-describe-bindings
4305 "e" gnus-article-read-summary-keys
4306 "\C-d" gnus-article-read-summary-keys
4307 "\M-*" gnus-article-read-summary-keys
4308 "\M-#" gnus-article-read-summary-keys
4309 "\M-^" gnus-article-read-summary-keys
4310 "\M-g" gnus-article-read-summary-keys)
4312 (substitute-key-definition
4313 'undefined 'gnus-article-read-summary-keys gnus-article-mode-map)
4315 (gnus-define-keys (gnus-article-send-map "S" gnus-article-mode-map)
4316 "W" gnus-article-wide-reply-with-original)
4317 (if (featurep 'xemacs)
4318 (set-keymap-default-binding gnus-article-send-map
4319 'gnus-article-read-summary-send-keys)
4320 (define-key gnus-article-send-map [t] 'gnus-article-read-summary-send-keys))
4322 (defun gnus-article-make-menu-bar ()
4323 (unless (boundp 'gnus-article-commands-menu)
4324 (gnus-summary-make-menu-bar))
4325 (unless (boundp 'gnus-article-article-menu)
4327 gnus-article-article-menu gnus-article-mode-map ""
4329 ["Scroll forwards" gnus-article-goto-next-page t]
4330 ["Scroll backwards" gnus-article-goto-prev-page t]
4331 ["Show summary" gnus-article-show-summary t]
4332 ["Fetch Message-ID at point" gnus-article-refer-article t]
4333 ["Mail to address at point" gnus-article-mail t]
4334 ["Send a bug report" gnus-bug t]))
4337 gnus-article-treatment-menu gnus-article-mode-map ""
4338 ;; Fixme: this should use :active (and maybe :visible).
4340 ["Hide headers" gnus-article-hide-headers t]
4341 ["Hide signature" gnus-article-hide-signature t]
4342 ["Hide citation" gnus-article-hide-citation t]
4343 ["Treat overstrike" gnus-article-treat-overstrike t]
4344 ["Treat ANSI sequences" gnus-article-treat-ansi-sequences t]
4345 ["Remove carriage return" gnus-article-remove-cr t]
4346 ["Remove leading whitespace" gnus-article-remove-leading-whitespace t]
4347 ["Remove quoted-unreadable" gnus-article-de-quoted-unreadable t]
4348 ["Remove base64" gnus-article-de-base64-unreadable t]
4349 ["Treat html" gnus-article-wash-html t]
4350 ["Remove newlines from within URLs" gnus-article-unsplit-urls t]
4351 ["Decode HZ" gnus-article-decode-HZ t]))
4353 ;; Note "Commands" menu is defined in gnus-sum.el for consistency
4355 ;; Note "Post" menu is defined in gnus-sum.el for consistency
4357 (gnus-run-hooks 'gnus-article-menu-hook)))
4359 (defvar bookmark-make-record-function)
4361 (defun gnus-article-mode ()
4362 "Major mode for displaying an article.
4364 All normal editing commands are switched off.
4366 The following commands are available in addition to all summary mode
4368 \\<gnus-article-mode-map>
4369 \\[gnus-article-next-page]\t Scroll the article one page forwards
4370 \\[gnus-article-prev-page]\t Scroll the article one page backwards
4371 \\[gnus-article-refer-article]\t Go to the article referred to by an article id near point
4372 \\[gnus-article-show-summary]\t Display the summary buffer
4373 \\[gnus-article-mail]\t Send a reply to the address near point
4374 \\[gnus-article-describe-briefly]\t Describe the current mode briefly
4375 \\[gnus-info-find-node]\t Go to the Gnus info node"
4377 (kill-all-local-variables)
4378 (gnus-simplify-mode-line)
4379 (setq mode-name "Article")
4380 (setq major-mode 'gnus-article-mode)
4381 (make-local-variable 'minor-mode-alist)
4382 (use-local-map gnus-article-mode-map)
4383 (when (gnus-visual-p 'article-menu 'menu)
4384 (gnus-article-make-menu-bar)
4385 (when gnus-summary-tool-bar-map
4386 (set (make-local-variable 'tool-bar-map) gnus-summary-tool-bar-map)))
4387 (gnus-update-format-specifications nil 'article-mode)
4388 (set (make-local-variable 'page-delimiter) gnus-page-delimiter)
4389 (set (make-local-variable 'gnus-page-broken) nil)
4390 (make-local-variable 'gnus-button-marker-list)
4391 (make-local-variable 'gnus-article-current-summary)
4392 (make-local-variable 'gnus-article-mime-handles)
4393 (make-local-variable 'gnus-article-decoded-p)
4394 (make-local-variable 'gnus-article-mime-handle-alist)
4395 (make-local-variable 'gnus-article-wash-types)
4396 (make-local-variable 'gnus-article-image-alist)
4397 (make-local-variable 'gnus-article-charset)
4398 (make-local-variable 'gnus-article-ignored-charsets)
4399 (set (make-local-variable 'bookmark-make-record-function)
4400 'gnus-summary-bookmark-make-record)
4401 ;; Prevent Emacs 22 from displaying non-break space with `nobreak-space'
4403 (set (make-local-variable 'nobreak-char-display) nil)
4404 (setq cursor-in-non-selected-windows nil)
4405 (gnus-set-default-directory)
4406 (buffer-disable-undo)
4407 (setq buffer-read-only t
4408 show-trailing-whitespace nil)
4409 (set-syntax-table gnus-article-mode-syntax-table)
4410 (mm-enable-multibyte)
4411 (gnus-run-mode-hooks 'gnus-article-mode-hook))
4413 (defvar gnus-button-marker-list nil
4414 "Regexp matching any of the regexps from `gnus-button-alist'.
4415 Internal variable.")
4417 (defun gnus-article-setup-buffer ()
4418 "Initialize the article buffer."
4419 (let* ((name (if gnus-single-article-buffer "*Article*"
4420 (concat "*Article " gnus-newsgroup-name "*")))
4422 (progn (string-match "\\*Article" name)
4423 (concat " *Original Article"
4424 (substring name (match-end 0))))))
4425 (setq gnus-article-buffer name)
4426 (setq gnus-original-article-buffer original)
4427 (setq gnus-article-mime-handle-alist nil)
4428 (with-current-buffer gnus-summary-buffer
4429 ;; This might be a variable local to the summary buffer.
4430 (unless gnus-single-article-buffer
4431 (setq gnus-article-buffer name)
4432 (setq gnus-original-article-buffer original)
4433 (gnus-set-global-variables)))
4434 (gnus-article-setup-highlight-words)
4435 ;; Init original article buffer.
4436 (with-current-buffer (gnus-get-buffer-create gnus-original-article-buffer)
4437 (mm-enable-multibyte)
4438 (setq major-mode 'gnus-original-article-mode)
4439 (make-local-variable 'gnus-original-article))
4440 (if (and (get-buffer name)
4441 (with-current-buffer name
4442 (if gnus-article-edit-mode
4443 (if (y-or-n-p "Article mode edit in progress; discard? ")
4445 (set-buffer-modified-p nil)
4446 (gnus-kill-buffer name)
4449 (error "Action aborted"))
4451 (with-current-buffer name
4452 (set (make-local-variable 'gnus-article-edit-mode) nil)
4453 (when gnus-article-mime-handles
4454 (mm-destroy-parts gnus-article-mime-handles)
4455 (setq gnus-article-mime-handles nil))
4456 ;; Set it to nil in article-buffer!
4457 (setq gnus-article-mime-handle-alist nil)
4458 (buffer-disable-undo)
4459 (setq buffer-read-only t)
4460 ;; This list just keeps growing if we don't reset it.
4461 (setq gnus-button-marker-list nil)
4462 (unless (eq major-mode 'gnus-article-mode)
4463 (gnus-article-mode))
4464 (setq truncate-lines gnus-article-truncate-lines)
4466 (with-current-buffer (gnus-get-buffer-create name)
4468 (setq truncate-lines gnus-article-truncate-lines)
4469 (make-local-variable 'gnus-summary-buffer)
4470 (setq gnus-summary-buffer
4471 (gnus-summary-buffer-name gnus-newsgroup-name))
4472 (gnus-summary-set-local-parameters gnus-newsgroup-name)
4473 (current-buffer)))))
4475 ;; Set article window start at LINE, where LINE is the number of lines
4476 ;; from the head of the article.
4477 (defun gnus-article-set-window-start (&optional line)
4478 (let ((article-window (gnus-get-buffer-window gnus-article-buffer t)))
4479 (when article-window
4482 (with-current-buffer gnus-article-buffer
4483 (goto-char (point-min))
4486 (gnus-message 6 "Moved to bookmark")
4487 (search-forward "\n\n" nil t)
4491 (defun gnus-article-prepare (article &optional all-headers header)
4492 "Prepare ARTICLE in article mode buffer.
4493 ARTICLE should either be an article number or a Message-ID.
4494 If ARTICLE is an id, HEADER should be the article headers.
4495 If ALL-HEADERS is non-nil, no headers are hidden."
4497 ;; Make sure we start in a summary buffer.
4498 (unless (eq major-mode 'gnus-summary-mode)
4499 (set-buffer gnus-summary-buffer))
4500 (setq gnus-summary-buffer (current-buffer))
4501 (let* ((gnus-article (if header (mail-header-number header) article))
4502 (summary-buffer (current-buffer))
4503 (gnus-tmp-internal-hook gnus-article-internal-prepare-hook)
4504 (group gnus-newsgroup-name)
4507 (gnus-article-setup-buffer)
4508 (set-buffer gnus-article-buffer)
4509 ;; Deactivate active regions.
4510 (when (and (boundp 'transient-mark-mode)
4511 transient-mark-mode)
4512 (setq mark-active nil))
4513 (if (not (setq result (let ((inhibit-read-only t))
4514 (gnus-request-article-this-buffer
4516 ;; There is no such article.
4518 (when (and (numberp article)
4519 (not (memq article gnus-newsgroup-sparse)))
4520 (setq gnus-article-current
4521 (cons gnus-newsgroup-name article))
4522 (set-buffer gnus-summary-buffer)
4523 (setq gnus-current-article article)
4524 (if (and (memq article gnus-newsgroup-undownloaded)
4525 (not (gnus-online (gnus-find-method-for-group
4526 gnus-newsgroup-name))))
4528 (gnus-summary-set-agent-mark article)
4529 (message "Message marked for downloading"))
4530 (gnus-summary-mark-article article gnus-canceled-mark)
4531 (unless (memq article gnus-newsgroup-sparse)
4532 (gnus-error 1 "No such article (may have expired or been canceled)")))))
4533 (if (or (eq result 'pseudo)
4534 (eq result 'nneething))
4536 (with-current-buffer summary-buffer
4537 (push article gnus-newsgroup-history)
4538 (setq gnus-last-article gnus-current-article
4539 gnus-current-article 0
4540 gnus-current-headers nil
4541 gnus-article-current nil)
4542 (if (eq result 'nneething)
4543 (gnus-configure-windows 'summary)
4544 (gnus-configure-windows 'article))
4545 (gnus-set-global-variables))
4546 (let ((gnus-article-mime-handle-alist-1
4547 gnus-article-mime-handle-alist))
4548 (gnus-set-mode-line 'article)))
4549 ;; The result from the `request' was an actual article -
4550 ;; or at least some text that is now displayed in the
4552 (when (and (numberp article)
4553 (not (eq article gnus-current-article)))
4554 ;; Seems like a new article has been selected.
4555 ;; `gnus-current-article' must be an article number.
4556 (with-current-buffer summary-buffer
4557 (push article gnus-newsgroup-history)
4558 (setq gnus-last-article gnus-current-article
4559 gnus-current-article article
4560 gnus-current-headers
4561 (gnus-summary-article-header gnus-current-article)
4562 gnus-article-current
4563 (cons gnus-newsgroup-name gnus-current-article))
4564 (unless (vectorp gnus-current-headers)
4565 (setq gnus-current-headers nil))
4566 (gnus-summary-goto-subject gnus-current-article)
4567 (when (gnus-summary-show-thread)
4568 ;; If the summary buffer really was folded, the
4569 ;; previous goto may not actually have gone to
4570 ;; the right article, but the thread root instead.
4572 (gnus-summary-goto-subject gnus-current-article))
4573 (gnus-run-hooks 'gnus-mark-article-hook)
4574 (gnus-set-mode-line 'summary)
4575 (when (gnus-visual-p 'article-highlight 'highlight)
4576 (gnus-run-hooks 'gnus-visual-mark-article-hook))
4577 ;; Set the global newsgroup variables here.
4578 (gnus-set-global-variables)
4579 (setq gnus-have-all-headers
4580 (or all-headers gnus-show-all-headers))))
4582 (gnus-configure-windows 'article))
4583 (when (or (numberp article)
4585 (gnus-article-prepare-display)
4587 (goto-char (point-min))
4588 (when gnus-break-pages
4589 (gnus-narrow-to-page)))
4590 (let ((gnus-article-mime-handle-alist-1
4591 gnus-article-mime-handle-alist))
4592 (gnus-set-mode-line 'article))
4596 (set-window-point (get-buffer-window (current-buffer)) (point))
4597 (gnus-configure-windows 'article)
4601 (defun gnus-article-prepare-display ()
4602 "Make the current buffer look like a nice article."
4603 ;; Hooks for getting information from the article.
4604 ;; This hook must be called before being narrowed.
4605 (let ((gnus-article-buffer (current-buffer))
4607 (inhibit-read-only t))
4608 (unless (eq major-mode 'gnus-article-mode)
4609 (gnus-article-mode))
4610 (setq buffer-read-only nil
4611 gnus-article-wash-types nil
4612 gnus-article-image-alist nil)
4613 (gnus-run-hooks 'gnus-tmp-internal-hook)
4614 (when gnus-display-mime-function
4615 (funcall gnus-display-mime-function))
4616 (gnus-run-hooks 'gnus-article-prepare-hook)))
4619 ;;; Gnus Sticky Article Mode
4622 (define-derived-mode gnus-sticky-article-mode gnus-article-mode "StickyArticle"
4623 "Mode for sticky articles."
4624 ;; Release bindings that won't work.
4625 (substitute-key-definition 'gnus-article-read-summary-keys 'undefined
4626 gnus-sticky-article-mode-map)
4627 (substitute-key-definition 'gnus-article-refer-article 'undefined
4628 gnus-sticky-article-mode-map)
4629 (dolist (k '("e" "h" "s" "F" "R"))
4630 (define-key gnus-sticky-article-mode-map k nil))
4631 (define-key gnus-sticky-article-mode-map "k" 'gnus-kill-sticky-article-buffer)
4632 (define-key gnus-sticky-article-mode-map "q" 'bury-buffer)
4633 (define-key gnus-sticky-article-mode-map "\C-hc" 'describe-key-briefly)
4634 (define-key gnus-sticky-article-mode-map "\C-hk" 'describe-key))
4636 (defun gnus-sticky-article (arg)
4637 "Make the current article sticky.
4638 If a prefix ARG is given, ask for a name for this sticky article buffer."
4640 (gnus-summary-show-thread)
4641 (gnus-summary-select-article nil nil 'pseudo)
4642 (let (new-art-buf-name)
4643 (gnus-eval-in-buffer-window gnus-article-buffer
4644 (setq new-art-buf-name
4648 (read-from-minibuffer "Sticky article buffer name: ")
4649 (gnus-with-article-headers
4650 (gnus-article-goto-header "subject")
4651 (setq new-art-buf-name
4652 (buffer-substring-no-properties
4653 (line-beginning-position) (line-end-position)))
4654 (goto-char (point-min))
4655 (gnus-article-goto-header "from")
4656 (setq new-art-buf-name
4658 new-art-buf-name ", "
4659 (buffer-substring-no-properties
4660 (line-beginning-position) (line-end-position))))
4661 (goto-char (point-min))
4662 (gnus-article-goto-header "date")
4663 (setq new-art-buf-name
4665 new-art-buf-name ", "
4666 (buffer-substring-no-properties
4667 (line-beginning-position) (line-end-position))))))
4669 (if (and (gnus-buffer-live-p new-art-buf-name)
4670 (with-current-buffer new-art-buf-name
4671 (eq major-mode 'gnus-sticky-article-mode)))
4672 (switch-to-buffer new-art-buf-name)
4673 (setq new-art-buf-name (rename-buffer new-art-buf-name t)))
4674 (gnus-sticky-article-mode))
4675 (setq gnus-article-buffer new-art-buf-name))
4676 (gnus-summary-recenter)
4677 (gnus-summary-position-point))
4679 (defun gnus-kill-sticky-article-buffer (&optional buffer)
4680 "Kill the given sticky article BUFFER.
4681 If none is given, assume the current buffer and kill it if it has
4682 `gnus-sticky-article-mode'."
4685 (setq buffer (current-buffer)))
4686 (with-current-buffer buffer
4687 (when (eq major-mode 'gnus-sticky-article-mode)
4688 (gnus-kill-buffer buffer))))
4690 (defun gnus-kill-sticky-article-buffers (arg)
4691 "Kill all sticky article buffers.
4692 If a prefix ARG is given, ask for confirmation."
4694 (dolist (buf (gnus-buffers))
4695 (with-current-buffer buf
4696 (when (eq major-mode 'gnus-sticky-article-mode)
4698 (gnus-kill-buffer buf)
4699 (when (yes-or-no-p (concat "Kill buffer " (buffer-name buf) "? "))
4700 (gnus-kill-buffer buf)))))))
4703 ;;; Gnus MIME viewing functions
4706 (defvar gnus-mime-button-line-format "%{%([%p. %d%T]%)%}%e\n"
4707 "Format of the MIME buttons.
4709 Valid specifiers include:
4711 %T MIME type, along with additional info
4712 %n The `name' parameter
4713 %d The description, if any
4714 %l The length of the encoded part
4715 %p The part identifier number
4716 %e Dots if the part isn't displayed
4718 General format specifiers can also be used. See Info node
4719 `(gnus)Formatting Variables'.")
4721 (defvar gnus-mime-button-line-format-alist
4722 '((?t gnus-tmp-type ?s)
4723 (?T gnus-tmp-type-long ?s)
4724 (?n gnus-tmp-name ?s)
4725 (?d gnus-tmp-description ?s)
4727 (?l gnus-tmp-length ?d)
4728 (?e gnus-tmp-dots ?s)))
4730 (defvar gnus-mime-button-commands
4731 '((gnus-article-press-button "\r" "Toggle Display")
4732 (gnus-mime-view-part "v" "View Interactively...")
4733 (gnus-mime-view-part-as-type "t" "View As Type...")
4734 (gnus-mime-view-part-as-charset "C" "View As charset...")
4735 (gnus-mime-save-part "o" "Save...")
4736 (gnus-mime-save-part-and-strip "\C-o" "Save and Strip")
4737 (gnus-mime-replace-part "r" "Replace part")
4738 (gnus-mime-delete-part "d" "Delete part")
4739 (gnus-mime-copy-part "c" "View As Text, In Other Buffer")
4740 (gnus-mime-inline-part "i" "View As Text, In This Buffer")
4741 (gnus-mime-view-part-internally "E" "View Internally") ;; Why `E'?
4742 (gnus-mime-view-part-externally "e" "View Externally")
4743 (gnus-mime-print-part "p" "Print")
4744 (gnus-mime-pipe-part "|" "Pipe To Command...")
4745 (gnus-mime-action-on-part "." "Take action on the part...")))
4747 (defun gnus-article-mime-part-status ()
4748 (if gnus-article-mime-handle-alist-1
4749 (if (eq 1 (length gnus-article-mime-handle-alist-1))
4751 (format " (%d parts)" (length gnus-article-mime-handle-alist-1)))
4754 (defvar gnus-mime-button-map
4755 (let ((map (make-sparse-keymap)))
4756 (define-key map gnus-mouse-2 'gnus-article-push-button)
4757 (define-key map gnus-down-mouse-3 'gnus-mime-button-menu)
4758 (dolist (c gnus-mime-button-commands)
4759 (define-key map (cadr c) (car c)))
4763 gnus-mime-button-menu gnus-mime-button-map "MIME button menu."
4765 ,@(mapcar (lambda (c)
4766 (vector (caddr c) (car c) :active t))
4767 gnus-mime-button-commands)))
4769 (defvar gnus-url-button-commands
4770 '((gnus-article-copy-string "u" "Copy URL to kill ring")))
4772 (defvar gnus-url-button-map
4773 (let ((map (make-sparse-keymap)))
4774 (dolist (c gnus-url-button-commands)
4775 (define-key map (cadr c) (car c)))
4779 gnus-url-button-menu gnus-url-button-map "URL button menu."
4781 ,@(mapcar (lambda (c)
4782 (vector (caddr c) (car c) :active t))
4783 gnus-url-button-commands)))
4785 (defmacro gnus-bind-safe-url-regexp (&rest body)
4786 "Bind `mm-w3m-safe-url-regexp' according to `gnus-safe-html-newsgroups'."
4787 `(let ((mm-w3m-safe-url-regexp
4788 (let ((group (if (and (eq major-mode 'gnus-article-mode)
4790 gnus-article-current-summary))
4791 (with-current-buffer gnus-article-current-summary
4792 gnus-newsgroup-name)
4793 gnus-newsgroup-name)))
4794 (if (cond ((not group)
4795 ;; Maybe we're in a mml-preview buffer
4796 ;; and no group is selected.
4798 ((stringp gnus-safe-html-newsgroups)
4799 (string-match gnus-safe-html-newsgroups group))
4800 ((consp gnus-safe-html-newsgroups)
4801 (member group gnus-safe-html-newsgroups)))
4803 mm-w3m-safe-url-regexp))))
4806 (defun gnus-mime-button-menu (event prefix)
4807 "Construct a context-sensitive menu of MIME commands."
4808 (interactive "e\nP")
4809 (save-window-excursion
4810 (let ((pos (event-start event)))
4811 (select-window (posn-window pos))
4812 (goto-char (posn-point pos))
4813 (gnus-article-check-buffer)
4814 (popup-menu gnus-mime-button-menu nil prefix))))
4816 (defun gnus-mime-view-all-parts (&optional handles)
4817 "View all the MIME parts."
4819 (with-current-buffer gnus-article-buffer
4820 (let ((handles (or handles gnus-article-mime-handles))
4821 (mail-parse-charset gnus-newsgroup-charset)
4822 (mail-parse-ignored-charsets
4823 (with-current-buffer gnus-summary-buffer
4824 gnus-newsgroup-ignored-charsets)))
4826 (mm-remove-parts handles)
4827 (goto-char (point-min))
4828 (or (search-forward "\n\n") (goto-char (point-max)))
4829 (let ((inhibit-read-only t))
4830 (delete-region (point) (point-max))
4831 (gnus-bind-safe-url-regexp (mm-display-parts handles)))))))
4833 (defun gnus-article-jump-to-part (n)
4834 "Jump to MIME part N."
4836 (let ((parts (with-current-buffer gnus-article-buffer
4837 (length gnus-article-mime-handle-alist))))
4839 (error "No such part"))
4840 (pop-to-buffer gnus-article-buffer)
4841 ;; FIXME: why is it necessary?
4844 (setq n (if (= parts 1)
4846 (read-number (format "Jump to part (1..%s): " parts)))))
4847 (unless (and (integerp n) (<= n parts) (>= n 1))
4850 (gnus-message 7 "Invalid part `%s', using %s instead."
4853 (gnus-message 9 "Jumping to part %s." n)
4854 (cond ((>= gnus-auto-select-part 1)
4855 (while (and (<= n parts)
4856 (not (gnus-article-goto-part n)))
4858 ((< gnus-auto-select-part 0)
4859 (while (and (>= n 1)
4860 (not (gnus-article-goto-part n)))
4863 (gnus-article-goto-part n)))))
4865 (defvar gnus-mime-buttonized-part-id nil
4866 "ID of a mime part that should be buttonized.
4867 `gnus-mime-save-part-and-strip' and `gnus-mime-delete-part' bind it.")
4870 (defsubst gnus-article-edit-part (handles &optional current-id)
4871 "Edit an article in order to delete a mime part.
4872 This function is exclusively used by `gnus-mime-save-part-and-strip'
4873 and `gnus-mime-delete-part', and not provided at run-time normally."
4874 (gnus-article-edit-article
4876 (buffer-disable-undo)
4878 (let ((mail-parse-charset (or gnus-article-charset
4879 ',gnus-newsgroup-charset))
4880 (mail-parse-ignored-charsets
4881 (or gnus-article-ignored-charsets
4882 ',gnus-newsgroup-ignored-charsets))
4883 (mbl mml-buffer-list))
4884 (setq mml-buffer-list nil)
4885 (insert-buffer-substring gnus-original-article-buffer)
4886 (mime-to-mml ',handles)
4887 (setq gnus-article-mime-handles nil)
4888 (let ((mbl1 mml-buffer-list))
4889 (setq mml-buffer-list mbl)
4890 (set (make-local-variable 'mml-buffer-list) mbl1))
4891 (gnus-make-local-hook 'kill-buffer-hook)
4892 (add-hook 'kill-buffer-hook 'mml-destroy-buffers t t)))
4893 `(lambda (no-highlight)
4894 (let ((mail-parse-charset (or gnus-article-charset
4895 ',gnus-newsgroup-charset))
4896 (message-options message-options)
4897 (message-options-set-recipient)
4898 (mail-parse-ignored-charsets
4899 (or gnus-article-ignored-charsets
4900 ',gnus-newsgroup-ignored-charsets)))
4902 (mml-destroy-buffers)
4903 (remove-hook 'kill-buffer-hook
4904 'mml-destroy-buffers t)
4905 (kill-local-variable 'mml-buffer-list))
4906 (gnus-summary-edit-article-done
4907 ,(or (mail-header-references gnus-current-headers) "")
4908 ,(gnus-group-read-only-p)
4909 ,gnus-summary-buffer no-highlight))
4911 ;; Force buttonizing this part.
4912 (let ((gnus-mime-buttonized-part-id current-id))
4913 (gnus-article-edit-done))
4914 (gnus-configure-windows 'article)
4915 (when (and current-id (integerp gnus-auto-select-part))
4916 (gnus-article-jump-to-part
4917 (min (max (+ current-id gnus-auto-select-part) 1)
4918 (with-current-buffer gnus-article-buffer
4919 (length gnus-article-mime-handle-alist)))))))
4921 (defun gnus-mime-replace-part (file)
4922 "Replace MIME part under point with an external body."
4923 ;; Useful if file has already been saved to disk
4926 (read-file-name "Replace MIME part with file: "
4927 (or mm-default-directory default-directory)
4929 (gnus-mime-save-part-and-strip file))
4931 (defun gnus-mime-save-part-and-strip (&optional file)
4932 "Save the MIME part under point then replace it with an external body.
4933 If FILE is given, use it for the external part."
4935 (gnus-article-check-buffer)
4936 (when (gnus-group-read-only-p)
4937 (error "The current group does not support deleting of parts"))
4938 (when (mm-complicated-handles gnus-article-mime-handles)
4940 The current article has a complicated MIME structure, giving up..."))
4941 (let* ((data (get-text-property (point) 'gnus-data))
4942 (id (get-text-property (point) 'gnus-part))
4944 (handles gnus-article-mime-handles))
4947 (and data (mm-save-part data "Delete MIME part and save to: "))))
4949 (with-current-buffer (mm-handle-buffer data)
4951 (insert "Content-Type: " (mm-handle-media-type data))
4952 (mml-insert-parameter-string (cdr (mm-handle-type data))
4954 ;; Add a filename for the sake of saving the part again.
4955 (mml-insert-parameter
4956 (mail-header-encode-parameter "name" (file-name-nondirectory file)))
4958 (insert "Content-ID: " (message-make-message-id) "\n")
4959 (insert "Content-Transfer-Encoding: binary\n")
4962 (cdr (mm-make-handle nil
4963 `("message/external-body"
4964 (access-type . "LOCAL-FILE")
4966 ;; (set-buffer gnus-summary-buffer)
4967 (gnus-article-edit-part handles id))))
4969 ;; A function like `gnus-summary-save-parts' (`X m', `<MIME> <Extract all
4970 ;; parts...>') but with stripping would be nice.
4972 (defun gnus-mime-delete-part ()
4973 "Delete the MIME part under point.
4974 Replace it with some information about the removed part."
4976 (gnus-article-check-buffer)
4977 (when (gnus-group-read-only-p)
4978 (error "The current group does not support deleting of parts"))
4979 (when (mm-complicated-handles gnus-article-mime-handles)
4981 The current article has a complicated MIME structure, giving up..."))
4982 (when (or gnus-expert-user
4983 (gnus-yes-or-no-p "\
4984 Deleting parts may malfunction or destroy the article; continue? "))
4985 (let* ((data (get-text-property (point) 'gnus-data))
4986 (id (get-text-property (point) 'gnus-part))
4987 (handles gnus-article-mime-handles)
4990 (let ((desc (mm-handle-description data)))
4992 (mail-decode-encoded-word-string desc))))
4994 (or (mail-content-type-get (mm-handle-disposition data) 'filename)
4996 (type (mm-handle-media-type data)))
4998 (error "No MIME part under point"))
4999 (with-current-buffer (mm-handle-buffer data)
5000 (let ((bsize (buffer-size)))
5005 "| The following attachment has been deleted:\n"
5007 "| Type: " type "\n"
5008 "| Filename: " filename "\n"
5009 "| Size (encoded): " (format "%s byte%s\n"
5010 bsize (if (= bsize 1)
5014 (concat "| Description: " description "\n"))
5017 (cdr (mm-make-handle
5018 nil `("text/plain" (charset . gnus-decoded)) nil nil
5020 (format "Deleted attachment (%s bytes)" bsize))))))
5021 ;; (set-buffer gnus-summary-buffer)
5022 (gnus-article-edit-part handles id))))
5024 (defun gnus-mime-save-part ()
5025 "Save the MIME part under point."
5027 (gnus-article-check-buffer)
5028 (let ((data (get-text-property (point) 'gnus-data)))
5030 (mm-save-part data))))
5032 (defun gnus-mime-pipe-part (&optional cmd)
5033 "Pipe the MIME part under point to a process.
5034 Use CMD as the process."
5036 (gnus-article-check-buffer)
5037 (let ((data (get-text-property (point) 'gnus-data)))
5039 (mm-pipe-part data cmd))))
5041 (defun gnus-mime-view-part ()
5042 "Interactively choose a viewing method for the MIME part under point."
5044 (gnus-article-check-buffer)
5045 (let ((data (get-text-property (point) 'gnus-data)))
5047 (setq gnus-article-mime-handles
5049 gnus-article-mime-handles (setq data (copy-sequence data))))
5050 (mm-interactively-view-part data))))
5052 (defun gnus-mime-view-part-as-type-internal ()
5053 (gnus-article-check-buffer)
5054 (let* ((handle (get-text-property (point) 'gnus-data))
5056 ;; Content-Type: foo/bar; name=...
5057 (mail-content-type-get (mm-handle-type handle) 'name)
5058 ;; Content-Disposition: attachment; filename=...
5059 (cdr (assq 'filename (cdr (mm-handle-disposition handle))))))
5060 (def-type (and name (mm-default-file-encoding name))))
5061 (or (and def-type (cons def-type 0))
5063 (equal (mm-handle-media-supertype handle) "text")
5064 '("text/plain" . 0))
5065 '("application/octet-stream" . 0))))
5067 (defun gnus-mime-view-part-as-type (&optional mime-type pred)
5068 "Choose a MIME media type, and view the part as such.
5069 If non-nil, PRED is a predicate to use during completion to limit the
5070 available media-types."
5074 (let ((default (gnus-mime-view-part-as-type-internal)))
5075 (gnus-completing-read
5078 (gnus-remove-if-not pred (mailcap-mime-types))
5079 (mailcap-mime-types))
5082 (gnus-article-check-buffer)
5083 (let ((handle (get-text-property (point) 'gnus-data)))
5085 (when (equal (mm-handle-media-type handle) "message/external-body")
5086 (unless (mm-handle-cache handle)
5087 (mm-extern-cache-contents handle))
5088 (setq handle (mm-handle-cache handle)))
5090 (mm-make-handle (mm-handle-buffer handle)
5091 (cons mime-type (cdr (mm-handle-type handle)))
5092 (mm-handle-encoding handle)
5093 (mm-handle-undisplayer handle)
5094 (mm-handle-disposition handle)
5095 (mm-handle-description handle)
5097 (mm-handle-id handle)))
5098 (setq gnus-article-mime-handles
5099 (mm-merge-handles gnus-article-mime-handles handle))
5100 (when (mm-handle-displayed-p handle)
5101 (mm-remove-part handle))
5102 (gnus-mm-display-part handle))))
5104 (defun gnus-mime-copy-part (&optional handle arg)
5105 "Put the MIME part under point into a new buffer.
5106 If `auto-compression-mode' is enabled, compressed files like .gz and .bz2
5108 (interactive (list nil current-prefix-arg))
5109 (gnus-article-check-buffer)
5111 (setq handle (get-text-property (point) 'gnus-data)))
5113 (let ((filename (or (mail-content-type-get (mm-handle-type handle)
5115 (mail-content-type-get (mm-handle-disposition handle)
5117 contents dont-decode charset coding-system)
5118 (mm-with-unibyte-buffer
5119 (mm-insert-part handle)
5120 (setq contents (or (condition-case nil
5121 (mm-decompress-buffer filename nil 'sig)
5123 (setq dont-decode t)
5126 (setq filename (cond (filename (file-name-nondirectory filename))
5127 (dont-decode "*raw data*")
5132 (unless (setq charset (mail-content-type-get
5133 (mm-handle-type handle) 'charset))
5134 (unless (setq coding-system (mm-with-unibyte-buffer
5136 (mm-find-buffer-file-coding-system)))
5137 (setq charset gnus-newsgroup-charset))))
5139 (setq charset (or (cdr (assq arg
5140 gnus-summary-show-article-charset-alist))
5141 (mm-read-coding-system "Charset: ")))))
5142 (switch-to-buffer (generate-new-buffer filename))
5143 (if (or coding-system
5145 (setq coding-system (mm-charset-to-coding-system charset))
5146 (not (eq coding-system 'ascii))))
5148 (mm-enable-multibyte)
5149 (insert (mm-decode-coding-string contents coding-system))
5150 (setq buffer-file-coding-system
5151 (if (boundp 'last-coding-system-used)
5152 (symbol-value 'last-coding-system-used)
5154 (mm-disable-multibyte)
5156 (setq buffer-file-coding-system mm-binary-coding-system))
5157 ;; We do it this way to make `normal-mode' set the appropriate mode.
5160 (setq buffer-file-name (expand-file-name filename))
5162 (setq buffer-file-name nil))
5163 (goto-char (point-min)))))
5165 (defun gnus-mime-print-part (&optional handle filename)
5166 "Print the MIME part under point."
5167 (interactive (list nil (ps-print-preprint current-prefix-arg)))
5168 (gnus-article-check-buffer)
5169 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
5170 (contents (and handle (mm-get-part handle)))
5171 (file (mm-make-temp-file (expand-file-name "mm." mm-tmp-directory)))
5172 (printer (mailcap-mime-info (mm-handle-media-type handle) "print")))
5177 (mm-save-part-to-file handle file)
5178 (call-process shell-file-name nil
5179 (generate-new-buffer " *mm*")
5181 shell-command-switch
5183 printer file (mm-handle-type handle))))
5187 (gnus-print-buffer))
5188 (ps-despool filename)))))
5190 (defun gnus-mime-inline-part (&optional handle arg)
5191 "Insert the MIME part under point into the current buffer.
5192 Compressed files like .gz and .bz2 are decompressed."
5193 (interactive (list nil current-prefix-arg))
5194 (gnus-article-check-buffer)
5196 (setq handle (get-text-property (point) 'gnus-data)))
5199 (inhibit-read-only t)
5200 contents charset coding-system)
5201 (if (and (not arg) (mm-handle-undisplayer handle))
5202 (mm-remove-part handle)
5203 (mm-with-unibyte-buffer
5204 (mm-insert-part handle)
5206 (or (mm-decompress-buffer
5207 (or (mail-content-type-get (mm-handle-type handle)
5209 (mail-content-type-get (mm-handle-disposition handle)
5215 (unless (setq charset (mail-content-type-get
5216 (mm-handle-type handle) 'charset))
5217 (unless (setq coding-system
5218 (mm-with-unibyte-buffer
5220 (mm-find-buffer-file-coding-system)))
5221 (setq charset gnus-newsgroup-charset))))
5223 (if (mm-handle-undisplayer handle)
5224 (mm-remove-part handle))
5227 gnus-summary-show-article-charset-alist))
5228 (mm-read-coding-system "Charset: "))))
5230 (if (mm-handle-undisplayer handle)
5231 (mm-remove-part handle))))
5235 (if (or coding-system
5238 (mm-charset-to-coding-system charset))
5239 (not (eq coding-system 'ascii))))
5240 (mm-decode-coding-string contents coding-system)
5241 (mm-string-to-multibyte contents)))
5244 (defun gnus-mime-set-charset-parameters (handle charset)
5245 "Set CHARSET to parameters in HANDLE.
5246 CHARSET may either be a string or a symbol."
5247 (unless (stringp charset)
5248 (setq charset (symbol-name charset)))
5249 (if (stringp (car handle))
5250 (dolist (h (cdr handle))
5251 (gnus-mime-set-charset-parameters h charset))
5252 (let* ((type (mm-handle-type (if (equal (mm-handle-media-type handle)
5253 "message/external-body")
5255 (unless (mm-handle-cache handle)
5256 (mm-extern-cache-contents handle))
5257 (mm-handle-cache handle))
5259 (param (assq 'charset (cdr type))))
5261 (setcdr param charset)
5262 (setcdr type (cons (cons 'charset charset) (cdr type)))))))
5264 (defun gnus-mime-view-part-as-charset (&optional handle arg)
5265 "Insert the MIME part under point into the current buffer using the
5267 (interactive (list nil current-prefix-arg))
5268 (gnus-article-check-buffer)
5269 (let ((handle (or handle (get-text-property (point) 'gnus-data)))
5270 (fun (get-text-property (point) 'gnus-callback))
5271 (gnus-newsgroup-ignored-charsets 'gnus-all)
5272 charset form preferred parts)
5279 gnus-summary-show-article-charset-alist))
5280 (mm-read-coding-system "Charset: "))))
5281 (if (mm-handle-undisplayer handle)
5282 (mm-remove-part handle)))
5283 (gnus-mime-set-charset-parameters handle charset)
5284 (when (and (consp (setq form (cdr-safe fun)))
5285 (setq form (ignore-errors
5286 (assq 'gnus-mime-display-alternative form)))
5287 (setq preferred (caddr form))
5289 (when (eq (car preferred) 'quote)
5290 (setq preferred (cadr preferred)))
5291 (not (equal preferred
5292 (get-text-property (point) 'gnus-data))))
5293 (setq parts (get-text-property (point) 'gnus-part))
5294 (setq parts (cdr (assq parts
5295 gnus-article-mime-handle-alist)))
5296 (equal (mm-handle-media-type parts) "multipart/alternative")
5297 (setq parts (reverse (cdr parts))))
5299 (list 'quote (or (cadr (member preferred parts))
5301 (funcall fun handle)))))
5303 (defun gnus-mime-view-part-externally (&optional handle)
5304 "View the MIME part under point with an external viewer."
5306 (gnus-article-check-buffer)
5307 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
5308 (mm-user-display-methods nil)
5309 (mm-inlined-types nil)
5310 (mail-parse-charset gnus-newsgroup-charset)
5311 (mail-parse-ignored-charsets
5312 (with-current-buffer gnus-summary-buffer
5313 gnus-newsgroup-ignored-charsets))
5314 (type (mm-handle-media-type handle))
5315 (method (mailcap-mime-info type))
5316 (mm-enable-external t))
5317 (if (not (stringp method))
5318 (gnus-mime-view-part-as-type
5319 nil (lambda (type) (stringp (mailcap-mime-info type))))
5321 (mm-display-part handle nil t)))))
5323 (defun gnus-mime-view-part-internally (&optional handle)
5324 "View the MIME part under point with an internal viewer.
5325 If no internal viewer is available, use an external viewer."
5327 (gnus-article-check-buffer)
5328 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
5329 (mm-inlined-types '(".*"))
5330 (mm-inline-large-images t)
5331 (mail-parse-charset gnus-newsgroup-charset)
5332 (mail-parse-ignored-charsets
5333 (with-current-buffer gnus-summary-buffer
5334 gnus-newsgroup-ignored-charsets))
5335 (inhibit-read-only t))
5336 (if (not (mm-inlinable-p handle))
5337 (gnus-mime-view-part-as-type
5338 nil (lambda (type) (mm-inlinable-p handle type)))
5340 (gnus-bind-safe-url-regexp (mm-display-part handle))))))
5342 (defun gnus-mime-action-on-part (&optional action)
5343 "Do something with the MIME attachment at \(point\)."
5345 (list (gnus-completing-read "Action" (mapcar 'car gnus-mime-action-alist) t)))
5346 (gnus-article-check-buffer)
5347 (let ((action-pair (assoc action gnus-mime-action-alist)))
5349 (funcall (cdr action-pair)))))
5351 (defun gnus-article-part-wrapper (n function &optional no-handle interactive)
5352 "Call FUNCTION on MIME part N.
5353 Unless NO-HANDLE, call FUNCTION with N-th MIME handle as it's only argument.
5354 If INTERACTIVE, call FUNCTION interactivly."
5356 ;; Check whether the article is displayed.
5357 (unless (and (gnus-buffer-live-p gnus-article-buffer)
5358 (setq window (get-buffer-window gnus-article-buffer t))
5359 (frame-visible-p (setq frame (window-frame window))))
5360 (error "No article is displayed"))
5361 (with-current-buffer gnus-article-buffer
5362 ;; Check whether the article displays the right contents.
5363 (unless (with-current-buffer gnus-summary-buffer
5364 (eq gnus-current-article (gnus-summary-article-number)))
5365 (error "You should select the right article first"))
5367 (setq n (prefix-numeric-value n))
5369 (setq n (or (get-text-property pt 'gnus-part)
5371 (get-text-property (1- pt) 'gnus-part))
5372 (get-text-property (prog2
5378 (or (and (setq pt (previous-single-property-change
5381 (next-single-property-change (point) 'gnus-part)
5385 ;; Check whether the specified part exists.
5386 (when (> n (length gnus-article-mime-handle-alist))
5387 (error "No such part")))
5390 ;; To select the window is needed so that the cursor
5391 ;; might be visible on the MIME button.
5392 (select-window (prog1
5394 (setq window (selected-window))
5395 ;; Article may be displayed in the other frame.
5396 (gnus-select-frame-set-input-focus
5399 (setq frame (selected-frame))))))
5400 (when (gnus-article-goto-part n)
5401 ;; We point the cursor and the arrow at the MIME button
5402 ;; when the `function' prompt the user for something.
5403 (unless (and (pos-visible-in-window-p)
5404 (> (count-lines (point) (window-end))
5405 (/ (1- (window-height)) 3)))
5406 (recenter (/ (1- (window-height)) 3)))
5407 (let ((cursor-in-non-selected-windows t)
5408 (overlay-arrow-string "=>")
5409 (overlay-arrow-position (point-marker)))
5412 ((and no-handle interactive)
5413 (call-interactively function))
5418 function (get-text-property (point) 'gnus-data)))
5421 (get-text-property (point) 'gnus-data))))
5422 (set-marker overlay-arrow-position nil)
5423 (unless gnus-auto-select-part
5424 (gnus-select-frame-set-input-focus frame)
5425 (select-window window))))
5427 (if gnus-inhibit-mime-unbuttonizing
5428 ;; This is the default though the program shouldn't reach here.
5429 (error "No such part")
5430 ;; The part which doesn't have the MIME button is selected.
5431 ;; So, we display all the buttons and redo it.
5432 (let ((gnus-inhibit-mime-unbuttonizing t))
5433 (gnus-summary-show-article)
5434 (gnus-article-part-wrapper n function no-handle))))))
5436 (defun gnus-article-pipe-part (n)
5437 "Pipe MIME part N, which is the numerical prefix."
5439 (gnus-article-part-wrapper n 'mm-pipe-part))
5441 (defun gnus-article-save-part (n)
5442 "Save MIME part N, which is the numerical prefix."
5444 (gnus-article-part-wrapper n 'mm-save-part))
5446 (defun gnus-article-interactively-view-part (n)
5447 "View MIME part N interactively, which is the numerical prefix."
5449 (gnus-article-part-wrapper n 'mm-interactively-view-part))
5451 (defun gnus-article-copy-part (n)
5452 "Copy MIME part N, which is the numerical prefix."
5454 (gnus-article-part-wrapper n 'gnus-mime-copy-part))
5456 (defun gnus-article-view-part-as-charset (n)
5457 "View MIME part N using a specified charset.
5458 N is the numerical prefix."
5460 (gnus-article-part-wrapper n 'gnus-mime-view-part-as-charset))
5462 (defun gnus-article-view-part-externally (n)
5463 "View MIME part N externally, which is the numerical prefix."
5465 (gnus-article-part-wrapper n 'gnus-mime-view-part-externally))
5467 (defun gnus-article-inline-part (n)
5468 "Inline MIME part N, which is the numerical prefix."
5470 (gnus-article-part-wrapper n 'gnus-mime-inline-part))
5472 (defun gnus-article-save-part-and-strip (n)
5473 "Save MIME part N and replace it with an external body.
5474 N is the numerical prefix."
5476 (gnus-article-part-wrapper n 'gnus-mime-save-part-and-strip t))
5478 (defun gnus-article-replace-part (n)
5479 "Replace MIME part N with an external body.
5480 N is the numerical prefix."
5482 (gnus-article-part-wrapper n 'gnus-mime-replace-part t t))
5484 (defun gnus-article-delete-part (n)
5485 "Delete MIME part N and add some information about the removed part.
5486 N is the numerical prefix."
5488 (gnus-article-part-wrapper n 'gnus-mime-delete-part t))
5490 (defun gnus-article-view-part-as-type (n)
5491 "Choose a MIME media type, and view part N as such.
5492 N is the numerical prefix."
5494 (gnus-article-part-wrapper n 'gnus-mime-view-part-as-type t))
5496 (defun gnus-article-mime-match-handle-first (condition)
5499 (dolist (ihandle gnus-article-mime-handle-alist)
5501 ((functionp condition)
5502 (funcall condition (cdr ihandle)))
5503 ((eq condition 'undisplayed)
5504 (not (or (mm-handle-undisplayer (cdr ihandle))
5505 (equal (mm-handle-media-type (cdr ihandle))
5506 "multipart/alternative"))))
5507 ((eq condition 'undisplayed-alternative)
5508 (not (mm-handle-undisplayer (cdr ihandle))))
5510 (gnus-article-goto-part (car ihandle))
5511 (or (not n) (< (car ihandle) n)))
5512 (setq n (car ihandle))))
5516 (defun gnus-article-view-part (&optional n)
5517 "View MIME part N, which is the numerical prefix.
5518 If the part is already shown, hide the part. If N is nil, view
5521 (with-current-buffer gnus-article-buffer
5522 (or (numberp n) (setq n (gnus-article-mime-match-handle-first
5523 gnus-article-mime-match-handle-function)))
5524 (when (> n (length gnus-article-mime-handle-alist))
5525 (error "No such part"))
5526 (let ((handle (cdr (assq n gnus-article-mime-handle-alist))))
5527 (when (gnus-article-goto-part n)
5528 (if (equal (car handle) "multipart/alternative")
5529 (gnus-article-press-button)
5530 (when (eq (gnus-mm-display-part handle) 'internal)
5531 (gnus-set-window-start)))))))
5533 (defsubst gnus-article-mime-total-parts ()
5534 (if (bufferp (car gnus-article-mime-handles))
5536 (1- (length gnus-article-mime-handles))))
5538 (defun gnus-mm-display-part (handle)
5539 "Display HANDLE and fix MIME button."
5540 (let ((id (get-text-property (point) 'gnus-part))
5542 (inhibit-read-only t))
5545 (let ((window (selected-window))
5546 (mail-parse-charset gnus-newsgroup-charset)
5547 (mail-parse-ignored-charsets
5548 (if (gnus-buffer-live-p gnus-summary-buffer)
5549 (with-current-buffer gnus-summary-buffer
5550 gnus-newsgroup-ignored-charsets)
5554 (let ((win (gnus-get-buffer-window (current-buffer) t))
5557 (select-window win))
5560 (if (mm-handle-displayed-p handle)
5561 ;; This will remove the part.
5562 (mm-display-part handle)
5564 (narrow-to-region (point)
5565 (if (eobp) (point) (1+ (point))))
5566 (gnus-bind-safe-url-regexp (mm-display-part handle))
5567 ;; We narrow to the part itself and
5568 ;; then call the treatment functions.
5569 (goto-char (point-min))
5571 (narrow-to-region (point) (point-max))
5574 (gnus-article-mime-total-parts)
5575 (mm-handle-media-type handle)))))
5576 (if (window-live-p window)
5577 (select-window window)))))
5580 (gnus-insert-mime-button
5581 handle id (list (mm-handle-displayed-p handle)))
5582 (goto-char point))))
5584 (defun gnus-article-goto-part (n)
5585 "Go to MIME part N."
5586 (when gnus-break-pages
5589 (let ((start (text-property-any (point-min) (point-max) 'gnus-part n))
5590 part handle end next handles)
5593 (if (setq handle (get-text-property start 'gnus-data))
5595 ;; Go to the displayed subpart, assuming this is
5596 ;; multipart/alternative.
5599 (while (and (not handle)
5602 (setq next (text-property-not-all part end
5605 handle (get-text-property part 'gnus-data))
5606 (push (cons handle part) handles)
5607 (unless (mm-handle-displayed-p handle)
5609 part (text-property-any part end 'gnus-data nil))))
5611 ;; No subpart is displayed, so we find preferred one.
5613 (cdr (assq (mm-preferred-alternative
5614 (nreverse (mapcar 'car handles)))
5617 (goto-char (1+ part))
5619 (when gnus-break-pages
5620 (gnus-narrow-to-page))))
5622 (defun gnus-insert-mime-button (handle gnus-tmp-id &optional displayed)
5623 (let ((gnus-tmp-name
5624 (or (mail-content-type-get (mm-handle-type handle) 'name)
5625 (mail-content-type-get (mm-handle-disposition handle) 'filename)
5626 (mail-content-type-get (mm-handle-type handle) 'url)
5628 (gnus-tmp-type (mm-handle-media-type handle))
5629 (gnus-tmp-description (or (mm-handle-description handle) ""))
5631 (if (if displayed (car displayed)
5632 (mm-handle-displayed-p handle))
5634 (gnus-tmp-length (with-current-buffer (mm-handle-buffer handle)
5636 gnus-tmp-type-long b e)
5637 (when (string-match ".*/" gnus-tmp-name)
5638 (setq gnus-tmp-name (replace-match "" t t gnus-tmp-name)))
5639 (setq gnus-tmp-type-long (concat gnus-tmp-type
5640 (and (not (equal gnus-tmp-name ""))
5641 (concat "; " gnus-tmp-name))))
5642 (unless (equal gnus-tmp-description "")
5643 (setq gnus-tmp-type-long (concat " --- " gnus-tmp-type-long)))
5648 gnus-mime-button-line-format gnus-mime-button-line-format-alist
5649 `(keymap ,gnus-mime-button-map
5650 gnus-callback gnus-mm-display-part
5651 gnus-part ,gnus-tmp-id
5652 article-type annotation
5655 ;; Exclude a newline.
5658 (when gnus-article-button-face
5659 (gnus-overlay-put (gnus-make-overlay b e nil t)
5660 'face gnus-article-button-face))
5661 (widget-convert-button
5664 :action 'gnus-widget-press-button
5665 :button-keymap gnus-mime-button-map
5668 ;; Needed to properly clear the message due to a bug in
5669 ;; wid-edit (XEmacs only).
5670 (if (boundp 'help-echo-owns-message)
5671 (setq help-echo-owns-message t))
5673 "%S: %s the MIME part; %S: more options"
5674 (aref gnus-mouse-2 0)
5675 (if (mm-handle-displayed-p (widget-get widget :mime-handle))
5677 (aref gnus-down-mouse-3 0))))))
5679 (defun gnus-widget-press-button (elems el)
5680 (goto-char (widget-get elems :from))
5681 (gnus-article-press-button))
5683 (defvar gnus-displaying-mime nil)
5685 (defun gnus-display-mime (&optional ihandles)
5686 "Display the MIME parts."
5688 (save-selected-window
5689 (let ((window (get-buffer-window gnus-article-buffer))
5692 (select-window window)
5693 ;; We have to do this since selecting the window
5694 ;; may change the point. So we set the window point.
5695 (set-window-point window point)))
5696 (let ((handles ihandles)
5697 (inhibit-read-only t)
5700 ((setq handles (mm-dissect-buffer nil gnus-article-loose-mime))
5701 (when gnus-article-emulate-mime
5702 (mm-uu-dissect-text-parts handles)))
5703 (gnus-article-emulate-mime
5704 (setq handles (mm-uu-dissect))))
5705 (when (and (not ihandles)
5706 (not gnus-displaying-mime))
5707 ;; Top-level call; we clean up.
5708 (when gnus-article-mime-handles
5709 (mm-destroy-parts gnus-article-mime-handles)
5710 (setq gnus-article-mime-handle-alist nil));; A trick.
5711 (setq gnus-article-mime-handles handles)
5712 ;; We allow users to glean info from the handles.
5713 (when gnus-article-mime-part-function
5714 (gnus-mime-part-function handles)))
5716 (or (not (stringp (car handles)))
5719 (when (and (not ihandles)
5720 (not gnus-displaying-mime))
5721 ;; Clean up for mime parts.
5723 (delete-region (point) (point-max)))
5724 (let ((gnus-displaying-mime t))
5725 (gnus-mime-display-part handles)))
5728 (narrow-to-region (point) (point-max))
5729 (gnus-treat-article nil 1 1 "text/plain")
5732 ;; Highlight the headers.
5736 (narrow-to-region (point-min) (point))
5737 (gnus-article-save-original-date
5738 (gnus-treat-article 'head)))))))
5739 ;; Cope with broken MIME messages.
5740 (goto-char (point-max))
5744 (defcustom gnus-mime-display-multipart-as-mixed nil
5745 "Display \"multipart\" parts as \"multipart/mixed\".
5747 If t, it overrides nil values of
5748 `gnus-mime-display-multipart-alternative-as-mixed' and
5749 `gnus-mime-display-multipart-related-as-mixed'."
5750 :group 'gnus-article-mime
5753 (defcustom gnus-mime-display-multipart-alternative-as-mixed nil
5754 "Display \"multipart/alternative\" parts as \"multipart/mixed\"."
5756 :group 'gnus-article-mime
5759 (defcustom gnus-mime-display-multipart-related-as-mixed nil
5760 "Display \"multipart/related\" parts as \"multipart/mixed\".
5762 If displaying \"text/html\" is discouraged \(see
5763 `mm-discouraged-alternatives'\) images or other material inside a
5764 \"multipart/related\" part might be overlooked when this variable is nil."
5766 :group 'gnus-article-mime
5769 (defun gnus-mime-display-part (handle)
5771 ;; Maybe a broken MIME message.
5774 ((not (stringp (car handle)))
5775 (gnus-mime-display-single handle))
5776 ;; User-defined multipart
5777 ((cdr (assoc (car handle) gnus-mime-multipart-functions))
5778 (funcall (cdr (assoc (car handle) gnus-mime-multipart-functions))
5780 ;; multipart/alternative
5781 ((and (equal (car handle) "multipart/alternative")
5782 (not (or gnus-mime-display-multipart-as-mixed
5783 gnus-mime-display-multipart-alternative-as-mixed)))
5784 (let ((id (1+ (length gnus-article-mime-handle-alist))))
5785 (push (cons id handle) gnus-article-mime-handle-alist)
5786 (gnus-mime-display-alternative (cdr handle) nil nil id)))
5787 ;; multipart/related
5788 ((and (equal (car handle) "multipart/related")
5789 (not (or gnus-mime-display-multipart-as-mixed
5790 gnus-mime-display-multipart-related-as-mixed)))
5791 ;;;!!!We should find the start part, but we just default
5792 ;;;!!!to the first part.
5793 ;;(gnus-mime-display-part (cadr handle))
5794 ;;;!!! Most multipart/related is an HTML message plus images.
5795 ;;;!!! Unfortunately we are unable to let W3 display those
5796 ;;;!!! included images, so we just display it as a mixed multipart.
5797 ;;(gnus-mime-display-mixed (cdr handle))
5798 ;;;!!! No, w3 can display everything just fine.
5799 (gnus-mime-display-part (cadr handle)))
5800 ((equal (car handle) "multipart/signed")
5801 (gnus-add-wash-type 'signed)
5802 (gnus-mime-display-security handle))
5803 ((equal (car handle) "multipart/encrypted")
5804 (gnus-add-wash-type 'encrypted)
5805 (gnus-mime-display-security handle))
5806 ;; Other multiparts are handled like multipart/mixed.
5808 (gnus-mime-display-mixed (cdr handle)))))
5810 (defun gnus-mime-part-function (handles)
5811 (if (stringp (car handles))
5812 (mapcar 'gnus-mime-part-function (cdr handles))
5813 (funcall gnus-article-mime-part-function handles)))
5815 (defun gnus-mime-display-mixed (handles)
5816 (mapcar 'gnus-mime-display-part handles))
5818 (defun gnus-mime-display-single (handle)
5819 (let ((type (mm-handle-media-type handle))
5820 (ignored gnus-ignored-mime-types)
5827 (when (string-match (pop ignored) type)
5828 (throw 'ignored nil)))
5829 (if (and (setq not-attachment
5830 (and (not (mm-inline-override-p handle))
5831 (or (not (mm-handle-disposition handle))
5832 (equal (car (mm-handle-disposition handle))
5834 (mm-attachment-override-p handle))))
5835 (mm-automatic-display-p handle)
5837 (mm-inlinable-p handle)
5838 (mm-inlined-p handle))
5839 (mm-automatic-external-display-p type)))
5841 (when (equal (mm-handle-media-supertype handle) "text")
5843 (let ((id (1+ (length gnus-article-mime-handle-alist)))
5845 (push (cons id handle) gnus-article-mime-handle-alist)
5847 (equal (mm-handle-media-supertype handle) "message"))
5850 (cond ((not (bolp)) 2)
5851 ((or (bobp) (eq (char-before (1- (point))) ?\n)) 0)
5853 (when (or (not display)
5854 (not (gnus-unbuttonized-mime-type-p type))
5855 (eq id gnus-mime-buttonized-part-id))
5856 (gnus-insert-mime-button
5857 handle id (list (or display (and not-attachment text))))
5858 (gnus-article-insert-newline)
5859 ;; Remember modify the number of forward lines.
5867 (let ((mail-parse-charset gnus-newsgroup-charset)
5868 (mail-parse-ignored-charsets
5869 (save-excursion (condition-case ()
5870 (set-buffer gnus-summary-buffer)
5872 gnus-newsgroup-ignored-charsets)))
5873 (gnus-bind-safe-url-regexp (mm-display-part handle t)))
5874 (goto-char (point-max)))
5875 ((and text not-attachment)
5879 (gnus-article-insert-newline)
5882 (let ((charset (or (mail-content-type-get (mm-handle-type handle)
5884 (and (equal type "text/calendar") 'utf-8))))
5885 (cond ((not charset)
5886 (mm-string-as-multibyte (mm-get-part handle)))
5887 ((eq charset 'gnus-decoded)
5888 (with-current-buffer (mm-handle-buffer handle)
5891 (mm-decode-string (mm-get-part handle) charset)))))
5892 (goto-char (point-max))))
5896 (narrow-to-region beg (point))
5897 (if (eq handle gnus-article-mime-handles)
5898 ;; The format=flowed case.
5899 (gnus-treat-article nil 1 1 (mm-handle-media-type handle))
5900 ;; Don't count signature parts that are never displayed.
5901 ;; The part number should be re-calculated supposing this
5902 ;; might be a message/rfc822 part.
5904 (dolist (part gnus-article-mime-handles)
5905 (unless (or (stringp part)
5906 (equal (car (mm-handle-type part))
5907 "application/pgp-signature"))
5908 (push part handles)))
5910 nil (length (memq handle handles)) (length handles)
5911 (mm-handle-media-type handle)))))))))))
5913 (defun gnus-unbuttonized-mime-type-p (type)
5914 "Say whether TYPE is to be unbuttonized."
5915 (unless gnus-inhibit-mime-unbuttonizing
5917 (let ((types gnus-unbuttonized-mime-types))
5919 (when (string-match (pop types) type)
5920 (throw 'found t)))))
5922 (let ((types gnus-buttonized-mime-types))
5924 (when (string-match (pop types) type)
5925 (throw 'found t)))))))))
5927 (defun gnus-article-insert-newline ()
5928 "Insert a newline, but mark it as undeletable."
5929 (gnus-put-text-property
5930 (point) (progn (insert "\n") (point)) 'gnus-undeletable t))
5932 (defun gnus-mime-display-alternative (handles &optional preferred ibegend id)
5933 (let* ((preferred (or preferred (mm-preferred-alternative handles)))
5936 handle (inhibit-read-only t) from props begend not-pref)
5937 (save-window-excursion
5940 (narrow-to-region (car ibegend)
5943 (goto-char (car ibegend))
5946 (delete-region (point-min) (point-max))
5947 (mm-remove-parts handles))
5948 (setq begend (list (point-marker)))
5950 (unless (setq not-pref (cadr (member preferred ihandles)))
5951 (setq not-pref (car ihandles)))
5954 (not (gnus-unbuttonized-mime-type-p
5955 "multipart/alternative")))
5956 (gnus-add-text-properties
5959 (insert (format "%d. " id))
5963 (unless ,(not ibegend)
5964 (setq gnus-article-mime-handle-alist
5965 ',gnus-article-mime-handle-alist))
5966 (gnus-mime-display-alternative
5967 ',ihandles ',not-pref ',begend ,id))
5968 keymap ,gnus-mime-button-map
5969 ,gnus-mouse-face-prop ,gnus-article-mouse-face
5970 face ,gnus-article-button-face
5972 article-type multipart))
5973 (widget-convert-button 'link from (point)
5974 :action 'gnus-widget-press-button
5975 :button-keymap gnus-widget-button-keymap)
5977 (while (setq handle (pop handles))
5978 (gnus-add-text-properties
5981 (insert (format "(%c) %-18s"
5982 (if (equal handle preferred) ?* ? )
5983 (mm-handle-media-type handle)))
5987 (unless ,(not ibegend)
5988 (setq gnus-article-mime-handle-alist
5989 ',gnus-article-mime-handle-alist))
5990 (gnus-mime-display-alternative
5991 ',ihandles ',handle ',begend ,id))
5992 keymap ,gnus-mime-button-map
5993 ,gnus-mouse-face-prop ,gnus-article-mouse-face
5994 face ,gnus-article-button-face
5997 (widget-convert-button 'link from (point)
5998 :action 'gnus-widget-press-button
5999 :button-keymap gnus-widget-button-keymap)
6003 (if (stringp (car preferred))
6004 (gnus-display-mime preferred)
6005 (let ((mail-parse-charset gnus-newsgroup-charset)
6006 (mail-parse-ignored-charsets
6007 (with-current-buffer gnus-summary-buffer
6008 gnus-newsgroup-ignored-charsets)))
6009 (gnus-bind-safe-url-regexp (mm-display-part preferred))
6013 (narrow-to-region (car begend) (point-max))
6015 nil (length gnus-article-mime-handle-alist)
6016 (gnus-article-mime-total-parts)
6017 (mm-handle-media-type preferred))))))
6018 (goto-char (point-max))
6019 (setcdr begend (point-marker)))))
6021 (goto-char point))))
6023 (defconst gnus-article-wash-status-strings
6024 (let ((alist '((cite "c" "Possible hidden citation text"
6025 " " "All citation text visible")
6026 (headers "h" "Hidden headers"
6027 " " "All headers visible.")
6028 (pgp "p" "Encrypted or signed message status hidden"
6029 " " "No hidden encryption nor digital signature status")
6030 (signature "s" "Signature has been hidden"
6031 " " "Signature is visible")
6032 (overstrike "o" "Overstrike (^H) characters applied"
6033 " " "No overstrike characters applied")
6034 (emphasis "e" "/*_Emphasis_*/ characters applied"
6035 " " "No /*_emphasis_*/ characters applied")))
6037 (dolist (entry alist result)
6038 (let ((key (nth 0 entry))
6039 (on (copy-sequence (nth 1 entry)))
6040 (on-help (nth 2 entry))
6041 (off (copy-sequence (nth 3 entry)))
6042 (off-help (nth 4 entry)))
6043 (put-text-property 0 1 'help-echo on-help on)
6044 (put-text-property 0 1 'help-echo off-help off)
6045 (push (list key on off) result))))
6046 "Alist of strings describing wash status in the mode line.
6047 Each entry has the form (KEY ON OF), where the KEY is a symbol
6048 representing the particular washing function, ON is the string to use
6049 in the article mode line when the washing function is active, and OFF
6050 is the string to use when it is inactive.")
6052 (defun gnus-article-wash-status-entry (key value)
6053 (let ((entry (assoc key gnus-article-wash-status-strings)))
6054 (if value (nth 1 entry) (nth 2 entry))))
6056 (defun gnus-article-wash-status ()
6057 "Return a string which display status of article washing."
6058 (with-current-buffer gnus-article-buffer
6059 (let ((cite (memq 'cite gnus-article-wash-types))
6060 (headers (memq 'headers gnus-article-wash-types))
6061 (boring (memq 'boring-headers gnus-article-wash-types))
6062 (pgp (memq 'pgp gnus-article-wash-types))
6063 (pem (memq 'pem gnus-article-wash-types))
6064 (signed (memq 'signed gnus-article-wash-types))
6065 (encrypted (memq 'encrypted gnus-article-wash-types))
6066 (signature (memq 'signature gnus-article-wash-types))
6067 (overstrike (memq 'overstrike gnus-article-wash-types))
6068 (emphasis (memq 'emphasis gnus-article-wash-types)))
6070 (gnus-article-wash-status-entry 'cite cite)
6071 (gnus-article-wash-status-entry 'headers (or headers boring))
6072 (gnus-article-wash-status-entry 'pgp (or pgp pem signed encrypted))
6073 (gnus-article-wash-status-entry 'signature signature)
6074 (gnus-article-wash-status-entry 'overstrike overstrike)
6075 (gnus-article-wash-status-entry 'emphasis emphasis)))))
6077 (defun gnus-add-wash-type (type)
6078 "Add a washing of TYPE to the current status."
6079 (add-to-list 'gnus-article-wash-types type))
6081 (defun gnus-delete-wash-type (type)
6082 "Add a washing of TYPE to the current status."
6083 (setq gnus-article-wash-types (delq type gnus-article-wash-types)))
6085 (defun gnus-add-image (category image)
6086 "Add IMAGE of CATEGORY to the list of displayed images."
6087 (let ((entry (assq category gnus-article-image-alist)))
6089 (setq entry (list category))
6090 (push entry gnus-article-image-alist))
6091 (nconc entry (list image))))
6093 (defun gnus-delete-images (category)
6094 "Delete all images in CATEGORY."
6095 (let ((entry (assq category gnus-article-image-alist)))
6096 (dolist (image (cdr entry))
6097 (gnus-remove-image image category))
6098 (setq gnus-article-image-alist (delq entry gnus-article-image-alist))
6099 (gnus-delete-wash-type category)))
6101 (defalias 'gnus-article-hide-headers-if-wanted 'gnus-article-maybe-hide-headers)
6103 (defun gnus-article-maybe-hide-headers ()
6104 "Hide unwanted headers if `gnus-have-all-headers' is nil.
6105 Provided for backwards compatibility."
6106 (when (and (or (not (gnus-buffer-live-p gnus-summary-buffer))
6107 (not (with-current-buffer gnus-summary-buffer
6108 gnus-have-all-headers)))
6109 (not gnus-inhibit-hiding))
6110 (gnus-article-hide-headers)))
6114 (defun gnus-output-to-file (file-name)
6115 "Append the current article to a file named FILE-NAME.
6116 If `gnus-article-save-coding-system' is non-nil, it is used to encode
6117 text and used as the value of the coding cookie which is added to the
6118 top of a file. Otherwise, this function saves a raw article without
6120 (let* ((artbuf (current-buffer))
6121 (file-name-coding-system nnmail-pathname-coding-system)
6122 (coding gnus-article-save-coding-system)
6123 (coding-system-for-read (if coding
6124 nil ;; Rely on the coding cookie.
6125 mm-text-coding-system))
6126 (coding-system-for-write (or coding
6127 mm-text-coding-system-for-write
6128 mm-text-coding-system))
6129 (exists (file-exists-p file-name)))
6132 (insert-file-contents file-name)
6133 (goto-char (point-min))
6134 ;; Remove the existing coding cookie.
6135 (when (looking-at "X-Gnus-Coding-System: .+\n\n")
6136 (delete-region (match-beginning 0) (match-end 0))))
6137 (goto-char (point-max))
6138 (insert-buffer-substring artbuf)
6139 ;; Append newline at end of the buffer as separator, and then
6141 (goto-char (point-max))
6144 ;; If the coding system is not suitable to encode the text,
6145 ;; ask a user for a proper one.
6146 (when (fboundp 'select-safe-coding-system)
6147 (setq coding (coding-system-base
6148 (save-window-excursion
6149 (select-safe-coding-system (point-min) (point-max)
6151 (setq coding-system-for-write
6152 (or (cdr (assq coding '((mule-utf-8 . utf-8))))
6154 (goto-char (point-min))
6155 ;; Add the coding cookie.
6156 (insert (format "X-Gnus-Coding-System: -*- coding: %s; -*-\n\n"
6157 coding-system-for-write)))
6160 (write-region (point-min) (point-max) file-name nil 'no-message)
6161 (message "Appended to %s" file-name))
6162 (write-region (point-min) (point-max) file-name))))
6165 (defun gnus-narrow-to-page (&optional arg)
6166 "Narrow the article buffer to a page.
6167 If given a numerical ARG, move forward ARG pages."
6169 (setq arg (if arg (prefix-numeric-value arg) 0))
6170 (with-current-buffer gnus-article-buffer
6172 ;; Remove any old next/prev buttons.
6173 (when (gnus-visual-p 'page-marker)
6174 (let ((inhibit-read-only t))
6175 (gnus-remove-text-with-property 'gnus-prev)
6176 (gnus-remove-text-with-property 'gnus-next)))
6178 (when (save-excursion
6180 (if (re-search-backward page-delimiter nil 'move (abs arg))
6182 (setq nd (match-beginning 0)
6184 (when (re-search-backward page-delimiter nil t)
6185 (setq st (match-end 0))))
6186 (when (re-search-forward page-delimiter nil t)
6187 (setq nd (match-beginning 0)
6190 (if (re-search-forward page-delimiter nil 'move arg)
6192 (setq st (match-end 0)
6194 (when (re-search-forward page-delimiter nil t)
6195 (setq nd (match-beginning 0))))
6196 (when (re-search-backward page-delimiter nil t)
6197 (setq st (match-end 0)
6200 (when (re-search-backward page-delimiter nil t)
6201 (goto-char (setq st (match-end 0))))
6202 (when (re-search-forward page-delimiter nil t)
6203 (setq nd (match-beginning 0)))
6205 (setq gnus-page-broken t)
6206 (when pt (goto-char pt))
6207 (narrow-to-region (or st (point-min)) (or nd (point-max)))
6208 (when (gnus-visual-p 'page-marker)
6212 (gnus-insert-next-page-button))
6215 (gnus-insert-prev-page-button))))))))
6217 ;; Article mode commands
6219 (defun gnus-article-goto-next-page ()
6220 "Show the next page of the article."
6222 (when (gnus-article-next-page)
6223 (goto-char (point-min))
6224 (gnus-article-read-summary-keys nil (gnus-character-to-event ?n))))
6227 (defun gnus-article-goto-prev-page ()
6228 "Show the previous page of the article."
6230 (if (save-restriction (widen) (bobp)) ;; Real beginning-of-buffer?
6231 (gnus-article-read-summary-keys nil (gnus-character-to-event ?p))
6232 (gnus-article-prev-page nil)))
6234 ;; This is cleaner but currently breaks `gnus-pick-mode':
6236 ;; (defun gnus-article-goto-next-page ()
6237 ;; "Show the next page of the article."
6239 ;; (gnus-eval-in-buffer-window gnus-summary-buffer
6240 ;; (gnus-summary-next-page)))
6242 ;; (defun gnus-article-goto-prev-page ()
6243 ;; "Show the next page of the article."
6245 ;; (gnus-eval-in-buffer-window gnus-summary-buffer
6246 ;; (gnus-summary-prev-page)))
6248 (defun gnus-article-next-page (&optional lines)
6249 "Show the next page of the current article.
6250 If end of article, return non-nil. Otherwise return nil.
6251 Argument LINES specifies lines to be scrolled up."
6253 (move-to-window-line (if (featurep 'xemacs) -1 (- -1 scroll-margin)))
6254 (if (and (not (and gnus-article-over-scroll
6255 (> (count-lines (window-start) (point-max))
6256 (if (featurep 'xemacs)
6257 (or lines (1- (window-height)))
6258 (+ (or lines (1- (window-height))) scroll-margin)))))
6261 (and (pos-visible-in-window-p) ;Not continuation line.
6262 (>= (1+ (point)) (point-max))))) ;Allow for trailing newline.
6263 ;; Nothing in this page.
6264 (if (or (not gnus-page-broken)
6269 (eobp)))) ;Real end-of-buffer?
6271 (when gnus-article-over-scroll
6272 (gnus-article-next-page-1 lines))
6274 (gnus-narrow-to-page 1) ;Go to next page.
6276 ;; More in this page.
6277 (gnus-article-next-page-1 lines)
6280 (defun gnus-article-beginning-of-window ()
6281 "Move point to the beginning of the window.
6282 In Emacs, the point is placed at the line number which `scroll-margin'
6284 (if (featurep 'xemacs)
6285 (move-to-window-line 0)
6286 ;; There is an obscure bug in Emacs that makes it impossible to
6287 ;; scroll past big pictures in the article buffer. Try to fix
6288 ;; this by adding a sanity check by counting the lines visible.
6289 (when (> (count-lines (window-start) (window-end)) 30)
6290 (move-to-window-line
6291 (min (max 0 scroll-margin)
6292 (max 1 (- (window-height)
6293 (if mode-line-format 1 0)
6294 (if header-line-format 1 0)
6297 (defun gnus-article-next-page-1 (lines)
6299 (let ((scroll-in-place nil))
6302 ;; Long lines may cause an end-of-buffer error.
6303 (goto-char (point-max))))
6304 (gnus-article-beginning-of-window))
6306 (defun gnus-article-prev-page (&optional lines)
6307 "Show previous page of current article.
6308 Argument LINES specifies lines to be scrolled down."
6310 (move-to-window-line 0)
6311 (if (and gnus-page-broken
6313 (not (save-restriction (widen) (bobp)))) ;Real beginning-of-buffer?
6315 (gnus-narrow-to-page -1) ;Go to previous page.
6316 (goto-char (point-max))
6317 (recenter (if gnus-article-over-scroll
6319 (max (if (featurep 'xemacs)
6321 (+ lines scroll-margin))
6323 (- (window-height) 2))
6327 (let ((scroll-in-place nil))
6328 (scroll-down lines))
6329 (beginning-of-buffer
6330 (goto-char (point-min))))
6331 (gnus-article-beginning-of-window))))
6333 (defun gnus-article-only-boring-p ()
6334 "Decide whether there is only boring text remaining in the article.
6335 Something \"interesting\" is a word of at least two letters that does
6336 not have a face in `gnus-article-boring-faces'."
6337 (when (and gnus-article-skip-boring
6338 (boundp 'gnus-article-boring-faces)
6339 (symbol-value 'gnus-article-boring-faces))
6341 (let ((inhibit-point-motion-hooks t))
6343 (while (re-search-forward "\\b\\w\\w" nil t)
6345 (when (not (gnus-intersection
6346 (gnus-faces-at (point))
6347 (symbol-value 'gnus-article-boring-faces)))
6348 (throw 'only-boring nil)))
6349 (throw 'only-boring t))))))
6351 (defun gnus-article-refer-article ()
6352 "Read article specified by message-id around point."
6355 (re-search-backward "[ \t]\\|^" (point-at-bol) t)
6356 (re-search-forward "<?news:<?\\|<" (point-at-eol) t)
6357 (if (re-search-forward "[^@ ]+@[^ \t>]+" (point-at-eol) t)
6358 (let ((msg-id (concat "<" (match-string 0) ">")))
6359 (set-buffer gnus-summary-buffer)
6360 (gnus-summary-refer-article msg-id))
6361 (error "No references around point"))))
6363 (defun gnus-article-show-summary ()
6364 "Reconfigure windows to show summary buffer."
6366 (if (not (gnus-buffer-live-p gnus-summary-buffer))
6367 (error "There is no summary buffer for this article buffer")
6368 (gnus-article-set-globals)
6369 (gnus-configure-windows 'article)
6370 (gnus-summary-goto-subject gnus-current-article)
6371 (gnus-summary-position-point)))
6373 (defun gnus-article-describe-briefly ()
6374 "Describe article mode commands briefly."
6376 (gnus-message 6 "%s" (substitute-command-keys "\\<gnus-article-mode-map>\\[gnus-article-goto-next-page]:Next page \\[gnus-article-goto-prev-page]:Prev page \\[gnus-article-show-summary]:Show summary \\[gnus-info-find-node]:Run Info \\[gnus-article-describe-briefly]:This help")))
6378 (defun gnus-article-check-buffer ()
6379 "Beep if not in an article buffer."
6380 (unless (equal major-mode 'gnus-article-mode)
6381 (error "Command invoked outside of a Gnus article buffer")))
6383 (defun gnus-article-read-summary-keys (&optional arg key not-restore-window)
6384 "Read a summary buffer key sequence and execute it from the article buffer."
6386 (gnus-article-check-buffer)
6388 '("q" "Q" "c" "r" "\C-c\C-f" "m" "a" "f"
6389 "Zc" "ZC" "ZE" "ZQ" "ZZ" "Zn" "ZR" "ZG" "ZN" "ZP"
6390 "=" "^" "\M-^" "|"))
6392 '("A " "A<" "A>" "AM" "AP" "AR" "AT" "A\C-?" "A\M-\r" "A\r" "Ab" "Ae"
6393 "An" "Ap" [?A (meta return)] [?A delete]))
6397 '("n" "Gn" "p" "Gp"))
6399 (with-current-buffer gnus-article-current-summary
6400 (let (gnus-pick-mode)
6401 (setq unread-command-events (nconc unread-command-events
6402 (list (or key last-command-event)))
6403 keys (if (featurep 'xemacs)
6404 (events-to-keys (read-key-sequence nil t))
6405 (read-key-sequence nil t)))))
6410 ((eq (aref keys (1- (length keys))) ?\C-h)
6411 (gnus-article-describe-bindings (substring keys 0 -1)))
6412 ((or (member keys nosaves)
6413 (member keys nosave-but-article)
6414 (member keys nosave-in-article))
6416 (save-window-excursion
6417 (pop-to-buffer gnus-article-current-summary)
6418 ;; We disable the pick minor mode commands.
6419 (let (gnus-pick-mode)
6420 (setq func (key-binding keys t))))
6424 (unless (member keys nosave-in-article)
6425 (set-buffer gnus-article-current-summary))
6426 (call-interactively func)
6427 (setq new-sum-point (point)))
6428 (when (member keys nosave-but-article)
6429 (pop-to-buffer gnus-article-buffer))))
6431 ;; These commands should restore window configuration.
6432 (let ((obuf (current-buffer))
6433 (owin (current-window-configuration))
6434 win func in-buffer selected new-sum-start new-sum-hscroll err)
6435 (cond (not-restore-window
6436 (pop-to-buffer gnus-article-current-summary)
6437 (setq win (selected-window)))
6438 ((setq win (get-buffer-window gnus-article-current-summary))
6439 (select-window win))
6441 (let ((summary-buffer gnus-article-current-summary))
6442 (gnus-configure-windows 'article)
6443 (unless (setq win (get-buffer-window summary-buffer 'visible))
6444 (let ((gnus-buffer-configuration
6445 '((article ((vertical 1.0
6446 (summary 0.25 point)
6448 (gnus-configure-windows 'article))
6449 (setq win (get-buffer-window summary-buffer 'visible)))
6450 (gnus-select-frame-set-input-focus (window-frame win))
6451 (select-window win))))
6452 (setq in-buffer (current-buffer))
6453 ;; We disable the pick minor mode commands.
6454 (if (and (setq func (let (gnus-pick-mode)
6455 (key-binding keys t)))
6457 (condition-case code
6459 (call-interactively func)
6465 (when (eq win (selected-window))
6466 (setq new-sum-point (point)
6467 new-sum-start (window-start win)
6468 new-sum-hscroll (window-hscroll win)))
6469 (when (or (eq in-buffer (current-buffer))
6470 (when (eq obuf (current-buffer))
6471 (set-buffer in-buffer)
6473 (setq selected (gnus-summary-select-article))
6475 (unless not-restore-window
6476 (set-window-configuration owin))
6477 (when (and (eq selected 'old)
6479 (set-window-start (get-buffer-window (current-buffer))
6481 (set-window-point (get-buffer-window (current-buffer))
6482 (if (article-goto-body)
6485 (when (and (not not-restore-window)
6488 (with-current-buffer (window-buffer win)
6489 (eq major-mode 'gnus-summary-mode)))
6490 (set-window-point win new-sum-point)
6491 (set-window-start win new-sum-start)
6492 (set-window-hscroll win new-sum-hscroll))))
6493 (set-window-configuration owin)
6495 (signal (car err) (cdr err))
6498 (defun gnus-article-read-summary-send-keys ()
6500 (let ((unread-command-events (list (gnus-character-to-event ?S))))
6501 (gnus-article-read-summary-keys)))
6503 (defun gnus-article-describe-key (key)
6504 "Display documentation of the function invoked by KEY.
6505 KEY is a string or a vector."
6506 (interactive (list (let ((cursor-in-echo-area t)) ;; better for XEmacs.
6507 (read-key-sequence "Describe key: "))))
6508 (gnus-article-check-buffer)
6509 (if (memq (key-binding key t) '(gnus-article-read-summary-keys
6510 gnus-article-read-summary-send-keys))
6511 (with-current-buffer gnus-article-current-summary
6512 (setq unread-command-events
6513 (if (featurep 'xemacs)
6515 (mapcar (lambda (x) (if (and (integerp x) (>= x 128))
6516 (list 'meta (- x 128))
6519 (let ((cursor-in-echo-area t)
6521 (describe-key (read-key-sequence nil t))))
6522 (describe-key key)))
6524 (defun gnus-article-describe-key-briefly (key &optional insert)
6525 "Display documentation of the function invoked by KEY.
6526 KEY is a string or a vector."
6527 (interactive (list (let ((cursor-in-echo-area t)) ;; better for XEmacs.
6528 (read-key-sequence "Describe key: "))
6529 current-prefix-arg))
6530 (gnus-article-check-buffer)
6531 (if (memq (key-binding key t) '(gnus-article-read-summary-keys
6532 gnus-article-read-summary-send-keys))
6533 (with-current-buffer gnus-article-current-summary
6534 (setq unread-command-events
6535 (if (featurep 'xemacs)
6537 (mapcar (lambda (x) (if (and (integerp x) (>= x 128))
6538 (list 'meta (- x 128))
6541 (let ((cursor-in-echo-area t)
6543 (describe-key-briefly (read-key-sequence nil t) insert)))
6544 (describe-key-briefly key insert)))
6546 ;;`gnus-agent-mode' in gnus-agent.el will define it.
6547 (defvar gnus-agent-summary-mode)
6548 (defvar gnus-draft-mode)
6549 ;; Calling help-buffer will autoload help-mode.
6550 (defvar help-xref-stack-item)
6551 ;; Emacs 22 doesn't load it in the batch mode.
6553 (autoload 'help-buffer "help-mode"))
6555 (defun gnus-article-describe-bindings (&optional prefix)
6556 "Show a list of all defined keys, and their definitions.
6557 The optional argument PREFIX, if non-nil, should be a key sequence;
6558 then we display only bindings that start with that prefix."
6560 (gnus-article-check-buffer)
6561 (let ((keymap (copy-keymap gnus-article-mode-map))
6562 (map (copy-keymap gnus-article-send-map))
6563 (sumkeys (where-is-internal 'gnus-article-read-summary-keys))
6565 (define-key keymap "S" map)
6566 (define-key map [t] nil)
6567 (with-current-buffer gnus-article-current-summary
6570 (if (setq parent (keymap-parent gnus-article-mode-map))
6572 (setq parent (copy-keymap parent))
6573 (set-keymap-parent parent (current-local-map)))
6574 (current-local-map)))
6575 (set-keymap-parent map (key-binding "S"))
6576 (let (key def gnus-pick-mode)
6578 (setq key (pop sumkeys))
6579 (cond ((and (vectorp key) (= (length key) 1)
6580 (consp (setq def (aref key 0)))
6581 (numberp (car def)) (numberp (cdr def)))
6582 (when (< (max (car def) (cdr def)) 128)
6586 (nreverse (gnus-uncompress-range def)))
6588 ((setq def (key-binding key))
6589 (unless (eq def 'undefined)
6590 (define-key keymap key def))))))
6591 (when (boundp 'gnus-agent-summary-mode)
6592 (setq agent gnus-agent-summary-mode))
6593 (when (boundp 'gnus-draft-mode)
6594 (setq draft gnus-draft-mode)))
6596 (use-local-map keymap)
6597 (set (make-local-variable 'gnus-agent-summary-mode) agent)
6598 (set (make-local-variable 'gnus-draft-mode) draft)
6599 (describe-bindings prefix))
6600 (let ((item `((lambda (prefix)
6601 (with-current-buffer ,(current-buffer)
6602 (gnus-article-describe-bindings prefix)))
6604 (with-current-buffer (let (help-xref-following) (help-buffer))
6605 (setq help-xref-stack-item item)))))
6607 (defun gnus-article-reply-with-original (&optional wide)
6608 "Start composing a reply mail to the current message.
6609 The text in the region will be yanked. If the region isn't active,
6610 the entire article will be yanked."
6612 (let ((article (cdr gnus-article-current))
6614 (if (not (gnus-region-active-p))
6615 (with-current-buffer gnus-summary-buffer
6616 (gnus-summary-reply (list (list article)) wide))
6617 (setq contents (buffer-substring (point) (mark t)))
6618 ;; Deactivate active regions.
6619 (when (and (boundp 'transient-mark-mode)
6620 transient-mark-mode)
6621 (setq mark-active nil))
6622 (with-current-buffer gnus-summary-buffer
6624 (list (list article contents)) wide)))))
6626 (defun gnus-article-wide-reply-with-original ()
6627 "Start composing a wide reply mail to the current message.
6628 The text in the region will be yanked. If the region isn't active,
6629 the entire article will be yanked."
6631 (gnus-article-reply-with-original t))
6633 (defun gnus-article-followup-with-original ()
6634 "Compose a followup to the current article.
6635 The text in the region will be yanked. If the region isn't active,
6636 the entire article will be yanked."
6638 (let ((article (cdr gnus-article-current))
6640 (if (not (gnus-region-active-p))
6641 (with-current-buffer gnus-summary-buffer
6642 (gnus-summary-followup (list (list article))))
6643 (setq contents (buffer-substring (point) (mark t)))
6644 ;; Deactivate active regions.
6645 (when (and (boundp 'transient-mark-mode)
6646 transient-mark-mode)
6647 (setq mark-active nil))
6648 (with-current-buffer gnus-summary-buffer
6649 (gnus-summary-followup
6650 (list (list article contents)))))))
6652 (defun gnus-article-hide (&optional arg force)
6653 "Hide all the gruft in the current article.
6654 This means that signatures, cited text and (some) headers will be
6656 If given a prefix, show the hidden text instead."
6657 (interactive (append (gnus-article-hidden-arg) (list 'force)))
6658 (gnus-article-hide-headers arg)
6659 (gnus-article-hide-list-identifiers arg)
6660 (gnus-article-hide-citation-maybe arg force)
6661 (gnus-article-hide-signature arg))
6663 (defun gnus-article-maybe-highlight ()
6664 "Do some article highlighting if article highlighting is requested."
6665 (when (gnus-visual-p 'article-highlight 'highlight)
6666 (gnus-article-highlight-some)))
6668 (defun gnus-check-group-server ()
6669 ;; Make sure the connection to the server is alive.
6670 (unless (gnus-server-opened
6671 (gnus-find-method-for-group gnus-newsgroup-name))
6672 (gnus-check-server (gnus-find-method-for-group gnus-newsgroup-name))
6673 (gnus-request-group gnus-newsgroup-name t)))
6676 (autoload 'nneething-get-file-name "nneething"))
6678 (defun gnus-request-article-this-buffer (article group)
6679 "Get an article and insert it into this buffer."
6680 (let (do-update-line sparse-header)
6684 (gnus-kill-all-overlays)
6685 (setq group (or group gnus-newsgroup-name))
6687 ;; Using `gnus-request-article' directly will insert the article into
6688 ;; `nntp-server-buffer' - so we'll save some time by not having to
6689 ;; copy it from the server buffer into the article buffer.
6691 ;; We only request an article by message-id when we do not have the
6692 ;; headers for it, so we'll have to get those.
6693 (when (stringp article)
6694 (gnus-read-header article))
6696 ;; If the article number is negative, that means that this article
6697 ;; doesn't belong in this newsgroup (possibly), so we find its
6698 ;; message-id and request it by id instead of number.
6699 (when (and (numberp article)
6701 (get-buffer gnus-summary-buffer)
6702 (gnus-buffer-exists-p gnus-summary-buffer))
6703 (with-current-buffer gnus-summary-buffer
6704 (let ((header (gnus-summary-article-header article)))
6707 ((memq article gnus-newsgroup-sparse)
6708 ;; This is a sparse gap article.
6709 (setq do-update-line article)
6710 (setq article (mail-header-id header))
6711 (setq sparse-header (gnus-read-header article))
6712 (setq gnus-newsgroup-sparse
6713 (delq article gnus-newsgroup-sparse)))
6715 ;; It's a real article.
6716 (setq article (mail-header-id header)))
6718 ;; It is an extracted pseudo-article.
6719 (setq article 'pseudo)
6720 (gnus-request-pseudo-article header))))
6722 (let ((method (gnus-find-method-for-group
6723 gnus-newsgroup-name)))
6724 (when (and (eq (car method) 'nneething)
6726 (let ((dir (nneething-get-file-name
6727 (mail-header-id header))))
6728 (when (and (stringp dir)
6729 (file-directory-p dir))
6730 (setq article 'nneething)
6731 (gnus-group-enter-directory dir))))))))
6734 ;; Refuse to select canceled articles.
6735 ((and (numberp article)
6737 (get-buffer gnus-summary-buffer)
6738 (gnus-buffer-exists-p gnus-summary-buffer)
6739 (eq (cdr (with-current-buffer gnus-summary-buffer
6740 (assq article gnus-newsgroup-reads)))
6741 gnus-canceled-mark))
6743 ;; We first check `gnus-original-article-buffer'.
6744 ((and (get-buffer gnus-original-article-buffer)
6746 (with-current-buffer gnus-original-article-buffer
6747 (and (equal (car gnus-original-article) group)
6748 (eq (cdr gnus-original-article) article))))
6749 ;; `insert-buffer-substring' would incorrectly use the
6750 ;; equivalent of string-make-multibyte which amount to decoding
6751 ;; with locale-coding-system, causing failure of
6752 ;; subsequent decoding.
6753 (insert (mm-string-to-multibyte
6754 (with-current-buffer gnus-original-article-buffer
6755 (buffer-substring (point-min) (point-max)))))
6757 ;; Check the backlog.
6758 ((and gnus-keep-backlog
6759 (gnus-backlog-request-article group article (current-buffer)))
6761 ;; Check asynchronous pre-fetch.
6762 ((gnus-async-request-fetched-article group article (current-buffer))
6763 (gnus-async-prefetch-next group article gnus-summary-buffer)
6764 (when (and (numberp article) gnus-keep-backlog)
6765 (gnus-backlog-enter-article group article (current-buffer)))
6768 ((and gnus-use-cache
6770 (gnus-cache-request-article article group))
6772 ;; Check the agent cache.
6773 ((gnus-agent-request-article article group)
6775 ;; Get the article and put into the article buffer.
6776 ((or (stringp article)
6778 (let ((gnus-override-method gnus-override-method)
6779 (methods (and (stringp article)
6780 gnus-refer-article-method))
6781 (backend (car (gnus-find-method-for-group
6782 gnus-newsgroup-name)))
6784 (inhibit-read-only t))
6785 (if (or (not (listp methods))
6786 (and (symbolp (car methods))
6787 (assq (car methods) nnoo-definition-alist)))
6788 (setq methods (list methods)))
6789 (when (and (null gnus-override-method)
6791 (setq gnus-override-method (pop methods)))
6793 (when (eq gnus-override-method 'current)
6794 (setq gnus-override-method
6795 (with-current-buffer gnus-summary-buffer
6796 gnus-current-select-method)))
6798 (gnus-kill-all-overlays)
6799 (let ((gnus-newsgroup-name group))
6800 (gnus-check-group-server))
6802 ((gnus-request-article article group (current-buffer))
6803 (when (numberp article)
6804 (gnus-async-prefetch-next group article
6805 gnus-summary-buffer)
6806 (when gnus-keep-backlog
6807 (gnus-backlog-enter-article
6808 group article (current-buffer))))
6809 (setq result 'article))
6811 (setq gnus-override-method (pop methods)))
6812 ((not (string-match "^400 "
6813 (nnheader-get-report backend)))
6814 ;; If we get 400 server disconnect, reconnect and
6815 ;; retry; otherwise, assume the article has expired.
6816 (setq result 'done))))
6817 (and (eq result 'article) 'article)))
6821 ;; Associate this article with the current summary buffer.
6822 (setq gnus-article-current-summary gnus-summary-buffer)
6824 ;; Take the article from the original article buffer
6825 ;; and place it in the buffer it's supposed to be in.
6826 (when (and (get-buffer gnus-article-buffer)
6827 (equal (buffer-name (current-buffer))
6828 (buffer-name (get-buffer gnus-article-buffer))))
6830 (if (get-buffer gnus-original-article-buffer)
6831 (set-buffer gnus-original-article-buffer)
6832 (set-buffer (gnus-get-buffer-create gnus-original-article-buffer))
6833 (buffer-disable-undo)
6834 (setq major-mode 'gnus-original-article-mode)
6835 (setq buffer-read-only t))
6836 (let ((inhibit-read-only t))
6838 (insert-buffer-substring gnus-article-buffer))
6839 (setq gnus-original-article (cons group article)))
6842 (run-hooks 'gnus-article-decode-hook)
6843 ;; Mark article as decoded or not.
6844 (setq gnus-article-decoded-p gnus-article-decode-hook))
6846 ;; Update sparse articles.
6847 (when (and do-update-line
6848 (or (numberp article)
6850 (let ((buf (current-buffer)))
6851 (set-buffer gnus-summary-buffer)
6852 (gnus-summary-update-article do-update-line sparse-header)
6853 (gnus-summary-goto-subject do-update-line nil t)
6854 (set-window-point (gnus-get-buffer-window (current-buffer) t)
6856 (set-buffer buf))))))
6858 (defun gnus-block-private-groups (group)
6859 (if (gnus-news-group-p group)
6860 ;; Block nothing in news groups.
6862 ;; Block everything anywhere else.
6865 (defun gnus-blocked-images ()
6866 (if (functionp gnus-blocked-images)
6867 (funcall gnus-blocked-images gnus-newsgroup-name)
6868 gnus-blocked-images))
6874 (defcustom gnus-article-edit-mode-hook nil
6875 "Hook run in article edit mode buffers."
6876 :group 'gnus-article-various
6879 (defvar gnus-article-edit-done-function nil)
6881 (defvar gnus-article-edit-mode-map nil)
6883 ;; Should we be using derived.el for this?
6884 (unless gnus-article-edit-mode-map
6885 (setq gnus-article-edit-mode-map (make-keymap))
6886 (set-keymap-parent gnus-article-edit-mode-map text-mode-map)
6888 (gnus-define-keys gnus-article-edit-mode-map
6889 "\C-c?" describe-mode
6890 "\C-c\C-c" gnus-article-edit-done
6891 "\C-c\C-k" gnus-article-edit-exit
6892 "\C-c\C-f\C-t" message-goto-to
6893 "\C-c\C-f\C-o" message-goto-from
6894 "\C-c\C-f\C-b" message-goto-bcc
6895 ;;"\C-c\C-f\C-w" message-goto-fcc
6896 "\C-c\C-f\C-c" message-goto-cc
6897 "\C-c\C-f\C-s" message-goto-subject
6898 "\C-c\C-f\C-r" message-goto-reply-to
6899 "\C-c\C-f\C-n" message-goto-newsgroups
6900 "\C-c\C-f\C-d" message-goto-distribution
6901 "\C-c\C-f\C-f" message-goto-followup-to
6902 "\C-c\C-f\C-m" message-goto-mail-followup-to
6903 "\C-c\C-f\C-k" message-goto-keywords
6904 "\C-c\C-f\C-u" message-goto-summary
6905 "\C-c\C-f\C-i" message-insert-or-toggle-importance
6906 "\C-c\C-f\C-a" message-generate-unsubscribed-mail-followup-to
6907 "\C-c\C-b" message-goto-body
6908 "\C-c\C-i" message-goto-signature
6910 "\C-c\C-t" message-insert-to
6911 "\C-c\C-n" message-insert-newsgroups
6912 "\C-c\C-o" message-sort-headers
6913 "\C-c\C-e" message-elide-region
6914 "\C-c\C-v" message-delete-not-region
6915 "\C-c\C-z" message-kill-to-signature
6916 "\M-\r" message-newline-and-reformat
6917 "\C-c\C-a" mml-attach-file
6918 "\C-a" message-beginning-of-line
6920 "\M-;" comment-region)
6922 (gnus-define-keys (gnus-article-edit-wash-map
6923 "\C-c\C-w" gnus-article-edit-mode-map)
6924 "f" gnus-article-edit-full-stops))
6927 gnus-article-edit-mode-field-menu gnus-article-edit-mode-map ""
6929 ["Fetch To" message-insert-to t]
6930 ["Fetch Newsgroups" message-insert-newsgroups t]
6932 ["To" message-goto-to t]
6933 ["From" message-goto-from t]
6934 ["Subject" message-goto-subject t]
6935 ["Cc" message-goto-cc t]
6936 ["Reply-To" message-goto-reply-to t]
6937 ["Summary" message-goto-summary t]
6938 ["Keywords" message-goto-keywords t]
6939 ["Newsgroups" message-goto-newsgroups t]
6940 ["Followup-To" message-goto-followup-to t]
6941 ["Mail-Followup-To" message-goto-mail-followup-to t]
6942 ["Distribution" message-goto-distribution t]
6943 ["Body" message-goto-body t]
6944 ["Signature" message-goto-signature t]))
6946 (define-derived-mode gnus-article-edit-mode message-mode "Article Edit"
6947 "Major mode for editing articles.
6948 This is an extended text-mode.
6950 \\{gnus-article-edit-mode-map}"
6951 (make-local-variable 'gnus-article-edit-done-function)
6952 (make-local-variable 'gnus-prev-winconf)
6953 (set (make-local-variable 'font-lock-defaults)
6954 '(message-font-lock-keywords t))
6955 (set (make-local-variable 'mail-header-separator) "")
6956 (set (make-local-variable 'gnus-article-edit-mode) t)
6957 (easy-menu-add message-mode-field-menu message-mode-map)
6959 (setq buffer-read-only nil)
6960 (buffer-enable-undo)
6963 (defun gnus-article-edit (&optional force)
6964 "Edit the current article.
6965 This will have permanent effect only in mail groups.
6966 If FORCE is non-nil, allow editing of articles even in read-only
6969 (when (and (not force)
6970 (gnus-group-read-only-p))
6971 (error "The current newsgroup does not support article editing"))
6972 (gnus-article-date-original)
6973 (gnus-article-edit-article
6975 `(lambda (no-highlight)
6977 (gnus-summary-edit-article-done
6978 ,(or (mail-header-references gnus-current-headers) "")
6979 ,(gnus-group-read-only-p) ,gnus-summary-buffer no-highlight))))
6981 (defun gnus-article-edit-article (start-func exit-func &optional quiet)
6982 "Start editing the contents of the current article buffer."
6983 (let ((winconf (current-window-configuration)))
6984 (set-buffer gnus-article-buffer)
6985 (let ((message-auto-save-directory
6986 ;; Don't associate the article buffer with a draft file.
6988 (gnus-article-edit-mode))
6989 (funcall start-func)
6990 (set-buffer-modified-p nil)
6991 (gnus-configure-windows 'edit-article)
6992 (setq gnus-article-edit-done-function exit-func)
6993 (setq gnus-prev-winconf winconf)
6995 (gnus-message 6 "C-c C-c to end edits"))))
6997 (defun gnus-article-edit-done (&optional arg)
6998 "Update the article edits and exit."
7000 (let ((func gnus-article-edit-done-function)
7001 (buf (current-buffer))
7002 (start (window-start))
7004 (winconf gnus-prev-winconf))
7005 (widen) ;; Widen it in case that users narrowed the buffer.
7008 ;; The cache and backlog have to be flushed somewhat.
7009 (when gnus-keep-backlog
7010 (gnus-backlog-remove-article
7011 (car gnus-article-current) (cdr gnus-article-current)))
7012 ;; Flush original article as well.
7013 (gnus-flush-original-article-buffer)
7014 (when gnus-use-cache
7015 (gnus-cache-update-article
7016 (car gnus-article-current) (cdr gnus-article-current)))
7017 ;; We remove all text props from the article buffer.
7018 (kill-all-local-variables)
7019 (set-text-properties (point-min) (point-max) nil)
7021 (set-window-configuration winconf)
7023 (set-window-start (get-buffer-window buf) start)
7024 (set-window-point (get-buffer-window buf) (point)))
7025 (gnus-summary-show-article))
7027 (defun gnus-flush-original-article-buffer ()
7028 (when (get-buffer gnus-original-article-buffer)
7029 (with-current-buffer gnus-original-article-buffer
7030 (setq gnus-original-article nil))))
7032 (defun gnus-article-edit-exit ()
7033 "Exit the article editing without updating."
7035 (when (or (not (buffer-modified-p))
7036 (yes-or-no-p "Article modified; kill anyway? "))
7037 (let ((curbuf (current-buffer))
7039 (window-start (window-start)))
7041 (if (gnus-buffer-live-p gnus-original-article-buffer)
7042 (insert-buffer-substring gnus-original-article-buffer))
7043 (let ((winconf gnus-prev-winconf))
7044 (kill-all-local-variables)
7046 (set-window-configuration winconf)
7047 ;; Tippy-toe some to make sure that point remains where it was.
7048 (save-current-buffer
7050 (set-window-start (get-buffer-window (current-buffer)) window-start)
7052 (gnus-summary-show-article)))
7054 (defun gnus-article-edit-full-stops ()
7055 "Interactively repair spacing at end of sentences."
7058 (goto-char (point-min))
7059 (search-forward-regexp "^$" nil t)
7060 (let ((case-fold-search nil))
7061 (query-replace-regexp "\\([.!?][])}]* \\)\\([[({A-Z]\\)" "\\1 \\2"))))
7064 ;;; Article highlights
7067 ;; Written by Per Abrahamsen <abraham@iesd.auc.dk>.
7069 ;;; Internal Variables:
7071 (defcustom gnus-button-url-regexp
7073 "\\b\\(\\(www\\.\\|\\(s?https?\\|ftp\\|file\\|gopher\\|"
7074 "nntp\\|news\\|telnet\\|wais\\|mailto\\|info\\):\\)"
7075 "\\(//[-a-z0-9_.]+:[0-9]*\\)?"
7076 (if (string-match "[[:digit:]]" "1") ;; Support POSIX?
7077 (let ((chars "-a-z0-9_=#$@~%&*+\\/[:word:]")
7081 ;; Match paired parentheses, e.g. in Wikipedia URLs:
7082 ;; http://thread.gmane.org/47B4E3B2.3050402@gmail.com
7083 "[" chars punct "]+" "(" "[" chars punct "]+" "[" chars "]*)" "[" chars "]*"
7085 "[" chars punct "]+" "[" chars "]"
7087 (concat ;; XEmacs 21.4 doesn't support POSIX.
7088 "\\([-a-z0-9_=!?#$@~%&*+\\/:;.,]\\|\\w\\)+"
7089 "\\([-a-z0-9_=#$@~%&*+\\/]\\|\\w\\)"))
7091 "Regular expression that matches URLs."
7092 :group 'gnus-article-buttons
7095 (defcustom gnus-button-valid-fqdn-regexp
7096 message-valid-fqdn-regexp
7097 "Regular expression that matches a valid FQDN."
7099 :group 'gnus-article-buttons
7102 ;; Regexp suggested by Felix Wiemann in <87oeuomcz9.fsf@news2.ososo.de>
7103 (defcustom gnus-button-valid-localpart-regexp
7104 "[a-z0-9$%(*-=?[_][^<>\")!;:,{}\n\t @]*"
7105 "Regular expression that matches a localpart of mail addresses or MIDs."
7107 :group 'gnus-article-buttons
7110 (defcustom gnus-button-man-handler 'manual-entry
7111 "Function to use for displaying man pages.
7112 The function must take at least one argument with a string naming the
7115 :type '(choice (function-item :tag "Man" manual-entry)
7116 (function-item :tag "Woman" woman)
7117 (function :tag "Other"))
7118 :group 'gnus-article-buttons)
7120 (defcustom gnus-button-mid-or-mail-regexp
7121 (concat "\\b\\(<?" gnus-button-valid-localpart-regexp "@"
7122 gnus-button-valid-fqdn-regexp
7124 "Regular expression that matches a message ID or a mail address."
7126 :group 'gnus-article-buttons
7129 (defcustom gnus-button-prefer-mid-or-mail 'gnus-button-mid-or-mail-heuristic
7130 "What to do when the button on a string as \"foo123@bar.invalid\" is pushed.
7131 Strings like this can be either a message ID or a mail address. If it is one
7132 of the symbols `mid' or `mail', Gnus will always assume that the string is a
7133 message ID or a mail address, respectively. If this variable is set to the
7134 symbol `ask', always query the user what do do. If it is a function, this
7135 function will be called with the string as its only argument. The function
7136 must return `mid', `mail', `invalid' or `ask'."
7138 :group 'gnus-article-buttons
7139 :type '(choice (function-item :tag "Heuristic function"
7140 gnus-button-mid-or-mail-heuristic)
7145 (defcustom gnus-button-mid-or-mail-heuristic-alist
7146 '((-10.0 . ".+\\$.+@")
7149 (-5.0 . "\\+[^+]*\\+.*@") ;; # two plus signs
7150 (-5.0 . "@[Nn][Ee][Ww][Ss]") ;; /\@news/i
7151 (-5.0 . "@.*[Dd][Ii][Aa][Ll][Uu][Pp]") ;; /\@.*dialup/i;
7152 (-1.0 . "^[^a-z]+@")
7154 (-5.0 . "\\.[0-9][0-9]+.*@") ;; "\.[0-9]{2,}.*\@"
7155 (-5.0 . "[a-z].*[A-Z].*[a-z].*[A-Z].*@") ;; "([a-z].*[A-Z].*){2,}\@"
7156 (-3.0 . "[A-Z][A-Z][a-z][a-z].*@")
7157 (-5.0 . "\\...?.?@") ;; (-5.0 . "\..{1,3}\@")
7160 (-1.0 . "^[0-9][0-9]")
7162 ;; -3.0 /^[0-9][0-9a-fA-F]{2,2}/;
7163 (-3.0 . "^[0-9][0-9a-fA-F][0-9a-fA-F][^0-9a-fA-F]")
7164 ;; -5.0 /^[0-9][0-9a-fA-F]{3,3}/;
7165 (-5.0 . "^[0-9][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][^0-9a-fA-F]")
7167 (-3.0 . "[0-9][0-9][0-9][0-9][0-9][^0-9].*@") ;; "[0-9]{5,}.*\@"
7168 (-3.0 . "[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][^0-9].*@")
7171 . "[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9].*@")
7173 ;; compensation for TDMA dated mail addresses:
7174 (25.0 . "-dated-[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]+.*@")
7176 (-20.0 . "\\.fsf@") ;; Gnus
7179 (-20.0 . "^alpine\\.")
7180 (-20.0 . "_-_") ;; Subject change in thread
7182 (-20.0 . "\\.ln@") ;; leafnode
7183 (-30.0 . "@ID-[0-9]+\\.[a-zA-Z]+\\.dfncis\\.de")
7184 (-30.0 . "@4[Aa][Xx]\\.com") ;; Forte Agent
7186 ;; (5.0 . "") ;; $local_part_len <= 7
7187 (10.0 . "^[^0-9]+@")
7188 (3.0 . "^[^0-9]+[0-9][0-9]?[0-9]?@")
7189 ;; ^[^0-9]+[0-9]{1,3}\@ digits only at end of local part
7192 (2.0 . "[a-z][a-z][._-][A-Z][a-z].*@")
7194 (0.5 . "^[A-Z][a-z]")
7195 (0.5 . "^[A-Z][a-z][a-z]")
7196 (1.5 . "^[A-Z][a-z][A-Z][a-z][^a-z]") ;; ^[A-Z][a-z]{3,3}
7197 (2.0 . "^[A-Z][a-z][A-Z][a-z][a-z][^a-z]")) ;; ^[A-Z][a-z]{4,4}
7198 "An alist of \(RATE . REGEXP\) pairs for `gnus-button-mid-or-mail-heuristic'.
7200 A negative RATE indicates a message IDs, whereas a positive indicates a mail
7201 address. The REGEXP is processed with `case-fold-search' set to nil."
7203 :group 'gnus-article-buttons
7204 :type '(repeat (cons (number :tag "Rate")
7205 (regexp :tag "Regexp"))))
7207 (defun gnus-button-mid-or-mail-heuristic (mid-or-mail)
7208 "Guess whether MID-OR-MAIL is a message ID or a mail address.
7209 Returns `mid' if MID-OR-MAIL is a message IDs, `mail' if it's a mail
7210 address, `ask' if unsure and `invalid' if the string is invalid."
7211 (let ((case-fold-search nil)
7212 (list gnus-button-mid-or-mail-heuristic-alist)
7213 (result 0) rate regexp lpartlen elem)
7215 (length (gnus-replace-in-string mid-or-mail "^\\(.*\\)@.*$" "\\1")))
7216 (gnus-message 8 "`%s', length of local part=`%s'." mid-or-mail lpartlen)
7217 ;; Certain special cases...
7220 "^0[0-9]+-[0-9][0-9][0-9][0-9]@t-online\\.de$\\|"
7221 "^[0-9]+\\.[0-9]+@compuserve\\|"
7222 "@public\\.gmane\\.org")
7224 (gnus-message 8 "`%s' is a known mail address." mid-or-mail)
7225 (setq result 'mail))
7226 (when (string-match "@.*@\\| " mid-or-mail)
7227 (gnus-message 8 "`%s' is invalid." mid-or-mail)
7228 (setq result 'invalid))
7229 ;; Nothing more to do, if result is not a number here...
7230 (when (numberp result)
7232 (setq elem (car list)
7236 (when (string-match regexp mid-or-mail)
7237 (setq result (+ result rate))
7239 9 "`%s' matched `%s', rate `%s', result `%s'."
7240 mid-or-mail regexp rate result)))
7241 (when (<= lpartlen 7)
7242 (setq result (+ result 5.0))
7243 (gnus-message 9 "`%s' matched (<= lpartlen 7), result `%s'."
7244 mid-or-mail result))
7245 (when (>= lpartlen 12)
7246 (gnus-message 9 "`%s' matched (>= lpartlen 12)" mid-or-mail)
7248 ((string-match "[0-9][^0-9]+[0-9].*@" mid-or-mail)
7249 ;; Long local part should contain realname if e-mail address,
7250 ;; too many digits: message-id.
7251 ;; $score -= 5.0 + 0.1 * $local_part_len;
7252 (setq rate (* -1.0 (+ 5.0 (* 0.1 lpartlen))))
7253 (setq result (+ result rate))
7255 9 "Many digits in `%s', rate `%s', result `%s'."
7256 mid-or-mail rate result))
7257 ((string-match "[^aeiouy][^aeiouy][^aeiouy][^aeiouy]+.*\@"
7259 ;; Too few vowels [^aeiouy]{4,}.*\@
7260 (setq result (+ result -5.0))
7262 9 "Few vowels in `%s', rate `%s', result `%s'."
7263 mid-or-mail -5.0 result))
7265 (setq result (+ result 5.0))
7267 9 "`%s', rate `%s', result `%s'." mid-or-mail 5.0 result)))))
7268 (gnus-message 8 "`%s': Final rate is `%s'." mid-or-mail result)
7269 ;; Maybe we should make this a customizable alist: (condition . 'result)
7271 ((symbolp result) result)
7272 ;; Now convert number into proper results:
7273 ((< result -10.0) 'mid)
7274 ((> result 10.0) 'mail)
7277 (defun gnus-button-handle-mid-or-mail (mid-or-mail)
7278 (let* ((pref gnus-button-prefer-mid-or-mail) guessed
7279 (url-mid (concat "news" ":" mid-or-mail))
7280 (url-mailto (concat "mailto" ":" mid-or-mail)))
7281 (gnus-message 9 "mid-or-mail=%s" mid-or-mail)
7282 (when (fboundp pref)
7284 ;; get rid of surrounding angles...
7286 (gnus-replace-in-string mid-or-mail "^<\\|>$" "")))
7287 (if (or (eq 'mid guessed) (eq 'mail guessed))
7291 (save-window-excursion
7292 (if (y-or-n-p (concat "Is <" mid-or-mail "> a mail address? "))
7295 (cond ((eq pref 'mid)
7296 (gnus-message 8 "calling `gnus-button-handle-news' %s" url-mid)
7297 (gnus-button-handle-news url-mid))
7299 (gnus-message 8 "calling `gnus-url-mailto' %s" url-mailto)
7300 (gnus-url-mailto url-mailto))
7301 (t (gnus-message 3 "Invalid string.")))))
7303 (defun gnus-button-handle-custom (fun arg)
7304 "Call function FUN on argument ARG.
7305 Both FUN and ARG are supposed to be strings. ARG will be passed
7306 as a symbol to FUN."
7307 (funcall (intern fun)
7308 (if (string-match "^customize-apropos" fun)
7312 (defvar gnus-button-handle-describe-prefix "^\\(C-h\\|<?[Ff]1>?\\)")
7314 ;; FIXME: Maybe we should merge some of the functions that do quite similar
7317 (defun gnus-button-handle-describe-function (url)
7318 "Call `describe-function' when pushing the corresponding URL button."
7321 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))))
7323 (defun gnus-button-handle-describe-variable (url)
7324 "Call `describe-variable' when pushing the corresponding URL button."
7327 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))))
7329 (defun gnus-button-handle-symbol (url)
7330 "Display help on variable or function.
7331 Calls `describe-variable' or `describe-function'."
7332 (let ((sym (intern url)))
7334 ((fboundp sym) (describe-function sym))
7335 ((boundp sym) (describe-variable sym))
7336 (t (gnus-message 3 "`%s' is not a known function of variable." url)))))
7338 (defun gnus-button-handle-describe-key (url)
7339 "Call `describe-key' when pushing the corresponding URL button."
7341 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))
7342 (keys (ignore-errors (eval `(kbd ,key-string)))))
7345 (gnus-message 3 "Invalid key sequence in button: %s" key-string))))
7347 (defun gnus-button-handle-apropos (url)
7348 "Call `apropos' when pushing the corresponding URL button."
7349 (apropos (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
7351 (defun gnus-button-handle-apropos-command (url)
7352 "Call `apropos' when pushing the corresponding URL button."
7354 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
7356 (defun gnus-button-handle-apropos-variable (url)
7357 "Call `apropos' when pushing the corresponding URL button."
7359 (if (fboundp 'apropos-variable) 'apropos-variable 'apropos)
7360 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
7362 (defun gnus-button-handle-apropos-documentation (url)
7363 "Call `apropos' when pushing the corresponding URL button."
7365 (if (fboundp 'apropos-documentation) 'apropos-documentation 'apropos)
7366 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
7368 (defun gnus-button-handle-library (url)
7369 "Call `locate-library' when pushing the corresponding URL button."
7370 (gnus-message 9 "url=`%s'" url)
7371 (let* ((lib (locate-library url))
7372 (file (gnus-replace-in-string (or lib "") "\.elc" ".el")))
7374 (gnus-message 1 "Cannot locale library `%s'." url)
7375 (find-file-read-only file))))
7377 (defcustom gnus-button-man-level 5
7378 "*Integer that says how many man-related buttons Gnus will show.
7379 The higher the number, the more buttons will appear and the more false
7380 positives are possible. Note that you can set this variable local to
7381 specific groups. Setting it higher in Unix groups is probably a good idea.
7382 See Info node `(gnus)Group Parameters' and the variable `gnus-parameters' on
7383 how to set variables in specific groups."
7385 :group 'gnus-article-buttons
7386 :link '(custom-manual "(gnus)Group Parameters")
7389 (defcustom gnus-button-emacs-level 5
7390 "*Integer that says how many emacs-related buttons Gnus will show.
7391 The higher the number, the more buttons will appear and the more false
7392 positives are possible. Note that you can set this variable local to
7393 specific groups. Setting it higher in Emacs or Gnus related groups is
7394 probably a good idea. See Info node `(gnus)Group Parameters' and the variable
7395 `gnus-parameters' on how to set variables in specific groups."
7397 :group 'gnus-article-buttons
7398 :link '(custom-manual "(gnus)Group Parameters")
7401 (defcustom gnus-button-message-level 5
7402 "*Integer that says how many buttons for news or mail messages will appear.
7403 The higher the number, the more buttons will appear and the more false
7404 positives are possible."
7405 ;; mail addresses, MIDs, URLs for news, ...
7407 :group 'gnus-article-buttons
7410 (defcustom gnus-button-browse-level 5
7411 "*Integer that says how many buttons for browsing will appear.
7412 The higher the number, the more buttons will appear and the more false
7413 positives are possible."
7414 ;; stuff handled by `browse-url' or `gnus-button-embedded-url'
7416 :group 'gnus-article-buttons
7419 (defcustom gnus-button-alist
7420 '(("<\\(url:[>\n\t ]*?\\)?\\(nntp\\|news\\):[>\n\t ]*\\([^>\n\t ]*@[^>\n\t ]*\\)>"
7421 0 (>= gnus-button-message-level 0) gnus-button-handle-news 3)
7422 ((concat "\\b\\(nntp\\|news\\):\\("
7423 gnus-button-valid-localpart-regexp "@[a-z0-9.-]+[a-z]\\)")
7424 0 t gnus-button-handle-news 2)
7425 ("\\(\\b<\\(url:[>\n\t ]*\\)?\\(nntp\\|news\\):[>\n\t ]*\\(//\\)?\\([^>\n\t ]*\\)>\\)"
7426 1 (>= gnus-button-message-level 0) gnus-button-fetch-group 5)
7427 ("\\b\\(nntp\\|news\\):\\(//\\)?\\([^'\">\n\t ]+\\)"
7428 0 (>= gnus-button-message-level 0) gnus-button-fetch-group 3)
7429 ;; RFC 2392 (Don't allow `/' in domain part --> CID)
7430 ("\\bmid:\\(//\\)?\\([^'\">\n\t ]+@[^'\">\n\t /]+\\)"
7431 0 (>= gnus-button-message-level 0) gnus-button-message-id 2)
7432 ("\\bin\\( +article\\| +message\\)? +\\(<\\([^\n @<>]+@[^\n @<>]+\\)>\\)"
7433 2 (>= gnus-button-message-level 0) gnus-button-message-id 3)
7434 ("\\b\\(mid\\|message-id\\):? +\\(<\\([^\n @<>]+@[^\n @<>]+\\)>\\)"
7435 2 (>= gnus-button-message-level 0) gnus-button-message-id 3)
7436 ("\\(<URL: *\\)mailto: *\\([^> \n\t]+\\)>"
7437 0 (>= gnus-button-message-level 0) gnus-url-mailto 2)
7438 ;; RFC 2368 (The mailto URL scheme)
7439 ("\\bmailto:\\([-a-z.@_+0-9%=?&/]+\\)"
7440 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
7441 ("\\bmailto:\\([^ \n\t]+\\)"
7442 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
7443 ;; Info Konqueror style <info:/foo/bar baz>.
7444 ;; Must come before " Gnus home-grown style".
7445 ("\\binfo://?\\([^'\">\n\t]+\\)"
7446 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url 1)
7447 ;; Info, Gnus home-grown style (deprecated) <info://foo/bar+baz>
7448 ("\\binfo://\\([^'\">\n\t ]+\\)"
7449 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url 1)
7450 ;; Info GNOME style <info:foo#bar_baz>
7451 ("\\binfo:\\([^('\n\t\r \"><][^'\n\t\r \"><]*\\)"
7452 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url-gnome 1)
7453 ;; Info KDE style <info:(foo)bar baz>
7454 ("<\\(info:\\(([^)]+)[^>\n\r]*\\)\\)>"
7455 1 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url-kde 2)
7456 ("\\((Info-goto-node\\|(info\\)[ \t\n]*\\(\"[^\"]*\"\\))" 0
7457 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url 2)
7458 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+i[ \t\n]+d?[ \t\n]?m[ \t\n]+[^ ]+ ?[^ ]+[ \t\n]+RET\\([ \t\n]+i[ \t\n]+[^ ]+ ?[^ ]+[ \t\n]+RET\\([ \t\n,]*\\)\\)?"
7459 ;; Info links like `C-h i d m Gnus RET' or `C-h i d m Gnus RET i partial RET'
7460 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-keystrokes 0)
7462 ("M-x[ \t\n]\\(customize-[^ ]+\\)[ \t\n]RET[ \t\n]\\([^ ]+\\)[ \t\n]RET" 0
7463 (>= gnus-button-emacs-level 1) gnus-button-handle-custom 1 2)
7464 ;; Emacs help commands
7465 ("M-x[ \t\n]+apropos[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
7466 ;; regexp doesn't match arguments containing ` '.
7467 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos 1)
7468 ("M-x[ \t\n]+apropos-command[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
7469 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-command 1)
7470 ("M-x[ \t\n]+apropos-variable[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
7471 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-variable 1)
7472 ("M-x[ \t\n]+apropos-documentation[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
7473 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-documentation 1)
7474 ;; The following entries may lead to many false positives so don't enable
7475 ;; them by default (use a high button level).
7476 ("/\\([a-z][-a-z0-9]+\\.el\\)\\>[^.?]"
7477 ;; Exclude [.?] for URLs in gmane.emacs.cvs
7478 1 (>= gnus-button-emacs-level 8) gnus-button-handle-library 1)
7479 ("`\\([a-z][-a-z0-9]+\\.el\\)'"
7480 1 (>= gnus-button-emacs-level 8) gnus-button-handle-library 1)
7481 ("`\\([a-z][a-z0-9]+-[a-z0-9]+-[-a-z0-9]*[a-z]\\|\\(gnus\\|message\\)-[-a-z]+\\)'"
7482 0 (>= gnus-button-emacs-level 8) gnus-button-handle-symbol 1)
7483 ("`\\([a-z][a-z0-9]+-[a-z]+\\)'"
7484 0 (>= gnus-button-emacs-level 9) gnus-button-handle-symbol 1)
7485 ("(setq[ \t\n]+\\([a-z][a-z0-9]+-[-a-z0-9]+\\)[ \t\n]+.+)"
7486 1 (>= gnus-button-emacs-level 7) gnus-button-handle-describe-variable 1)
7487 ("\\bM-x[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
7488 1 (>= gnus-button-emacs-level 7) gnus-button-handle-describe-function 1)
7489 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+f[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
7490 0 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-function 2)
7491 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+v[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
7492 0 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-variable 2)
7493 ("`\\(\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+k[ \t\n]+\\([^']+\\)\\)'"
7494 ;; Unlike the other regexps we really have to require quoting
7495 ;; here to determine where it ends.
7496 1 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-key 3)
7497 ;; This is how URLs _should_ be embedded in text (RFC 1738, RFC 2396)...
7498 ("<URL: *\\([^\n<>]*\\)>"
7499 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
7500 ;; RFC 2396 (2.4.3., delims) ...
7501 ("\"URL: *\\([^\n\"]*\\)\""
7502 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
7504 (gnus-button-url-regexp
7505 0 (>= gnus-button-browse-level 0) browse-url 0)
7507 ("\\b\\([a-z][a-z]+([1-9])\\)\\W"
7508 0 (and (>= gnus-button-man-level 1) (< gnus-button-man-level 3))
7509 gnus-button-handle-man 1)
7510 ;; more man pages: resolv.conf(5), iso_8859-1(7), xterm(1x)
7511 ("\\b\\([a-z][-_.a-z0-9]+([1-9])\\)\\W"
7512 0 (and (>= gnus-button-man-level 3) (< gnus-button-man-level 5))
7513 gnus-button-handle-man 1)
7514 ;; even more: Apache::PerlRun(3pm), PDL::IO::FastRaw(3pm),
7515 ;; SoWWWAnchor(3iv), XSelectInput(3X11), X(1), X(7)
7516 ("\\b\\(\\(?:[a-z][-+_.:a-z0-9]+([1-9][X1a-z]*)\\)\\|\\b\\(?:X([1-9])\\)\\)\\W"
7517 0 (>= gnus-button-man-level 5) gnus-button-handle-man 1)
7518 ;; Recognizing patches to .el files. This is somewhat obscure,
7519 ;; but considering the percentage of Gnus users who hack Emacs
7521 ("^--- \\([^ .]+\\.el\\).*\n.*\n@@ -?\\([0-9]+\\)" 1
7522 (>= gnus-button-message-level 4) gnus-button-patch 1 2)
7523 ("^\\*\\*\\* \\([^ .]+\\.el\\).*\n.*\n\\*+\n\\*\\*\\* \\([0-9]+\\)" 1
7524 (>= gnus-button-message-level 4) gnus-button-patch 1 2)
7525 ;; MID or mail: To avoid too many false positives we don't try to catch
7526 ;; all kind of allowed MIDs or mail addresses. Domain part must contain
7527 ;; at least one dot. TLD must contain two or three chars or be a know TLD
7528 ;; (info|name|...). Put this entry near the _end_ of `gnus-button-alist'
7529 ;; so that non-ambiguous entries (see above) match first.
7530 (gnus-button-mid-or-mail-regexp
7531 0 (>= gnus-button-message-level 5) gnus-button-handle-mid-or-mail 1))
7532 "*Alist of regexps matching buttons in article bodies.
7534 Each entry has the form (REGEXP BUTTON FORM CALLBACK PAR...), where
7535 REGEXP: is the string (case insensitive) matching text around the button (can
7536 also be Lisp expression evaluating to a string),
7537 BUTTON: is the number of the regexp grouping actually matching the button,
7538 FORM: is a Lisp expression which must eval to true for the button to
7540 CALLBACK: is the function to call when the user push this button, and each
7541 PAR: is a number of a regexp grouping whose text will be passed to CALLBACK.
7543 CALLBACK can also be a variable, in that case the value of that
7544 variable it the real callback function."
7545 :group 'gnus-article-buttons
7546 :type '(repeat (list (choice regexp variable sexp)
7547 (integer :tag "Button")
7549 (function :tag "Callback")
7552 (integer :tag "Regexp group")))))
7553 (put 'gnus-button-alist 'risky-local-variable t)
7555 (defcustom gnus-header-button-alist
7556 '(("^\\(References\\|Message-I[Dd]\\|^In-Reply-To\\):" "<[^<>]+>"
7557 0 (>= gnus-button-message-level 0) gnus-button-message-id 0)
7558 ("^\\(From\\|Reply-To\\):" ": *\\(.+\\)$"
7559 1 (>= gnus-button-message-level 0) gnus-button-reply 1)
7560 ("^\\(Cc\\|To\\):" "[^ \t\n<>,()\"]+@[^ \t\n<>,()\"]+"
7561 0 (>= gnus-button-message-level 0) gnus-msg-mail 0)
7562 ("^X-[Uu][Rr][Ll]:" gnus-button-url-regexp
7563 0 (>= gnus-button-browse-level 0) browse-url 0)
7564 ("^Subject:" gnus-button-url-regexp
7565 0 (>= gnus-button-browse-level 0) browse-url 0)
7566 ("^[^:]+:" gnus-button-url-regexp
7567 0 (>= gnus-button-browse-level 0) browse-url 0)
7568 ("^OpenPGP:.*url=" gnus-button-url-regexp
7569 0 (>= gnus-button-browse-level 0) gnus-button-openpgp 0)
7570 ("^[^:]+:" "\\bmailto:\\([-a-z.@_+0-9%=?&/]+\\)"
7571 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
7572 ("^[^:]+:" "\\(<\\(url: \\)?\\(nntp\\|news\\):\\([^>\n ]*\\)>\\)"
7573 1 (>= gnus-button-message-level 0) gnus-button-message-id 4))
7574 "*Alist of headers and regexps to match buttons in article heads.
7576 This alist is very similar to `gnus-button-alist', except that each
7577 alist has an additional HEADER element first in each entry:
7579 \(HEADER REGEXP BUTTON FORM CALLBACK PAR)
7581 HEADER is a regexp to match a header. For a fuller explanation, see
7582 `gnus-button-alist'."
7583 :group 'gnus-article-buttons
7584 :group 'gnus-article-headers
7585 :type '(repeat (list (regexp :tag "Header")
7586 (choice regexp variable)
7587 (integer :tag "Button")
7589 (function :tag "Callback")
7592 (integer :tag "Regexp group")))))
7593 (put 'gnus-header-button-alist 'risky-local-variable t)
7597 (defun gnus-article-push-button (event)
7598 "Check text under the mouse pointer for a callback function.
7599 If the text under the mouse pointer has a `gnus-callback' property,
7600 call it with the value of the `gnus-data' text property."
7602 (set-buffer (window-buffer (posn-window (event-start event))))
7603 (let* ((pos (posn-point (event-start event)))
7604 (data (get-text-property pos 'gnus-data))
7605 (fun (get-text-property pos 'gnus-callback)))
7608 (funcall fun data))))
7610 (defun gnus-article-press-button ()
7611 "Check text at point for a callback function.
7612 If the text at point has a `gnus-callback' property,
7613 call it with the value of the `gnus-data' text property."
7615 (let ((data (get-text-property (point) 'gnus-data))
7616 (fun (get-text-property (point) 'gnus-callback)))
7618 (funcall fun data))))
7620 (defun gnus-article-highlight (&optional force)
7621 "Highlight current article.
7622 This function calls `gnus-article-highlight-headers',
7623 `gnus-article-highlight-citation',
7624 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
7625 do the highlighting. See the documentation for those functions."
7626 (interactive (list 'force))
7627 (gnus-article-highlight-headers)
7628 (gnus-article-highlight-citation force)
7629 (gnus-article-highlight-signature)
7630 (gnus-article-add-buttons force)
7631 (gnus-article-add-buttons-to-head))
7633 (defun gnus-article-highlight-some (&optional force)
7634 "Highlight current article.
7635 This function calls `gnus-article-highlight-headers',
7636 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
7637 do the highlighting. See the documentation for those functions."
7638 (interactive (list 'force))
7639 (gnus-article-highlight-headers)
7640 (gnus-article-highlight-signature)
7641 (gnus-article-add-buttons))
7643 (defun gnus-article-highlight-headers ()
7644 "Highlight article headers as specified by `gnus-header-face-alist'."
7646 (gnus-with-article-headers
7647 (let (regexp header-face field-face from hpoints fpoints)
7648 (dolist (entry gnus-header-face-alist)
7649 (goto-char (point-min))
7650 (setq regexp (concat "^\\("
7651 (if (string-equal "" (nth 0 entry))
7655 header-face (nth 1 entry)
7656 field-face (nth 2 entry))
7657 (while (and (re-search-forward regexp nil t)
7661 (unless (search-forward ":" nil t)
7663 (when (and header-face
7664 (not (memq (point) hpoints)))
7665 (push (point) hpoints)
7666 (gnus-put-text-property from (point) 'face header-face))
7667 (when (and field-face
7668 (not (memq (setq from (point)) fpoints)))
7670 (if (re-search-forward "^[^ \t]" nil t)
7672 (goto-char (point-max)))
7673 (gnus-put-text-property from (point) 'face field-face)))))))
7675 (defun gnus-article-highlight-signature ()
7676 "Highlight the signature in an article.
7677 It does this by highlighting everything after
7678 `gnus-signature-separator' using the face `gnus-signature'."
7680 (gnus-with-article-buffer
7681 (let ((inhibit-point-motion-hooks t))
7683 (when (and gnus-signature-face
7684 (gnus-article-narrow-to-signature))
7685 (gnus-overlay-put (gnus-make-overlay (point-min) (point-max) nil t)
7686 'face gnus-signature-face)
7688 (gnus-article-search-signature)
7689 (let ((start (match-beginning 0))
7690 (end (set-marker (make-marker) (1+ (match-end 0)))))
7691 (gnus-article-add-button start (1- end) 'gnus-signature-toggle
7694 (defun gnus-button-in-region-p (b e prop)
7695 "Say whether PROP exists in the region."
7696 (text-property-not-all b e prop nil))
7698 (defun gnus-article-add-buttons (&optional force)
7699 "Find external references in the article and make buttons of them.
7700 \"External references\" are things like Message-IDs and URLs, as
7701 specified by `gnus-button-alist'."
7702 (interactive (list 'force))
7703 (gnus-with-article-buffer
7704 (let ((inhibit-point-motion-hooks t)
7705 (case-fold-search t)
7706 (alist gnus-button-alist)
7708 ;; Remove all old markers.
7709 (let (marker entry new-list)
7710 (while (setq marker (pop gnus-button-marker-list))
7711 (if (or (< marker (point-min)) (>= marker (point-max)))
7712 (push marker new-list)
7714 (when (setq entry (gnus-button-entry))
7715 (put-text-property (match-beginning (nth 1 entry))
7716 (match-end (nth 1 entry))
7717 'gnus-callback nil))
7718 (set-marker marker nil)))
7719 (setq gnus-button-marker-list new-list))
7720 ;; We skip the headers.
7723 (while (setq entry (pop alist))
7724 (setq regexp (eval (car entry)))
7726 (while (re-search-forward regexp nil t)
7727 (let ((start (match-beginning (nth 1 entry)))
7728 (end (match-end (nth 1 entry)))
7729 (from (match-beginning 0)))
7730 (when (and (or (eq t (nth 2 entry))
7731 (eval (nth 2 entry)))
7732 (not (gnus-button-in-region-p
7733 start end 'gnus-callback)))
7734 ;; That optional form returned non-nil, so we add the
7736 (setq from (set-marker (make-marker) from))
7737 (push from gnus-button-marker-list)
7738 (unless (and (eq (car entry) 'gnus-button-url-regexp)
7739 (gnus-article-extend-url-button from start end))
7740 (gnus-article-add-button start end
7741 'gnus-button-push from)
7742 (gnus-put-text-property
7744 'gnus-string (buffer-substring-no-properties
7747 (defun gnus-article-extend-url-button (beg start end)
7748 "Extend url button if url is folded into two or more lines.
7749 Return non-nil if button is extended. BEG is a marker that points to
7750 the beginning position of a text containing url. START and END are
7751 the endpoints of a url button before it is extended. The concatenated
7752 url is put as the `gnus-button-url' overlay property on the button."
7753 (let ((opoint (point))
7754 (points (list start end))
7759 (not (looking-at "[\t ]*[\">]")))
7763 "\\(?:\"\\|\\(<\\)\\)[\t ]*\\(?:url[\t ]*:[\t ]*\\)?\\'"
7764 (buffer-substring (point-at-bol) start)))
7766 (setq url (list (buffer-substring start end))
7767 delim (if (match-beginning 1) ">" "\""))
7769 (setq regexp (concat
7770 (when (and (looking-at
7771 message-cite-prefix-regexp)
7772 (< (match-end 0) start))
7773 (regexp-quote (match-string 0)))
7775 \[\t ]*\\(?:\\([^\t\n \">]+\\)[\t ]*$\\|\\([^\t\n \">]*\\)[\t ]*"
7779 (and (looking-at regexp)
7782 (push (or (match-string 2)
7785 (push (setq end (or (match-end 2)
7788 (push (or (match-beginning 2)
7789 (match-beginning 1))
7791 (match-beginning 2)))
7792 (let (gnus-article-mouse-face widget-mouse-face)
7794 (gnus-article-add-button (pop points) (pop points)
7795 'gnus-button-push beg)))
7796 (let ((overlay (gnus-make-overlay start end)))
7797 (gnus-overlay-put overlay 'evaporate t)
7798 (gnus-overlay-put overlay 'gnus-button-url
7799 (list (mapconcat 'identity (nreverse url) "")))
7800 (when gnus-article-mouse-face
7801 (gnus-overlay-put overlay 'mouse-face gnus-article-mouse-face)))
7803 (goto-char opoint))))
7805 ;; Add buttons to the head of an article.
7806 (defun gnus-article-add-buttons-to-head ()
7807 "Add buttons to the head of the article."
7809 (gnus-with-article-headers
7811 (dolist (entry gnus-header-button-alist)
7812 ;; Each alist entry.
7813 (goto-char (point-min))
7814 (while (re-search-forward (car entry) nil t)
7815 ;; Each header matching the entry.
7816 (setq beg (match-beginning 0))
7817 (setq end (or (and (re-search-forward "^[^ \t]" nil t)
7818 (match-beginning 0))
7821 (while (re-search-forward (eval (nth 1 entry)) end t)
7822 ;; Each match within a header.
7823 (let* ((entry (cdr entry))
7824 (start (match-beginning (nth 1 entry)))
7825 (end (match-end (nth 1 entry)))
7826 (form (nth 2 entry)))
7827 (goto-char (match-end 0))
7829 (gnus-article-add-button
7830 start end (nth 3 entry)
7831 (buffer-substring (match-beginning (nth 4 entry))
7832 (match-end (nth 4 entry)))))))
7833 (goto-char end))))))
7835 ;;; External functions:
7837 (defun gnus-article-add-button (from to fun &optional data text)
7838 "Create a button between FROM and TO with callback FUN and data DATA."
7839 (when gnus-article-button-face
7840 (gnus-overlay-put (gnus-make-overlay from to nil t)
7841 'face gnus-article-button-face))
7842 (gnus-add-text-properties
7844 (nconc (and gnus-article-mouse-face
7845 (list gnus-mouse-face-prop gnus-article-mouse-face))
7846 (list 'gnus-callback fun)
7847 (and data (list 'gnus-data data))))
7848 (widget-convert-button 'link from to :action 'gnus-widget-press-button
7849 :help-echo (or text "Follow the link")
7850 :keymap gnus-url-button-map
7851 :button-keymap gnus-widget-button-keymap))
7853 (defun gnus-article-copy-string ()
7854 "Copy the string in the button to the kill ring."
7856 (gnus-article-check-buffer)
7857 (let ((data (get-text-property (point) 'gnus-string)))
7861 (copy-region-as-kill (point-min) (point-max))
7862 (message "Copied %s" data)))))
7864 ;;; Internal functions:
7866 (defun gnus-article-set-globals ()
7867 (with-current-buffer gnus-summary-buffer
7868 (gnus-set-global-variables)))
7870 (defun gnus-signature-toggle (end)
7871 (gnus-with-article-buffer
7872 (let ((inhibit-point-motion-hooks t))
7873 (if (text-property-any end (point-max) 'article-type 'signature)
7875 (gnus-delete-wash-type 'signature)
7876 (gnus-remove-text-properties-when
7877 'article-type 'signature end (point-max)
7878 (cons 'article-type (cons 'signature
7879 gnus-hidden-properties))))
7880 (gnus-add-wash-type 'signature)
7881 (gnus-add-text-properties-when
7882 'article-type nil end (point-max)
7883 (cons 'article-type (cons 'signature
7884 gnus-hidden-properties)))))
7885 (let ((gnus-article-mime-handle-alist-1 gnus-article-mime-handle-alist))
7886 (gnus-set-mode-line 'article))))
7888 (defun gnus-button-entry ()
7889 ;; Return the first entry in `gnus-button-alist' matching this place.
7890 (let ((alist gnus-button-alist)
7893 (setq entry (pop alist))
7894 (if (looking-at (eval (car entry)))
7899 (defun gnus-button-push (marker)
7900 ;; Push button starting at MARKER.
7903 (let* ((entry (gnus-button-entry))
7904 (inhibit-point-motion-hooks t)
7906 (args (or (and (eq (car entry) 'gnus-button-url-regexp)
7907 (get-char-property marker 'gnus-button-url))
7908 (mapcar (lambda (group)
7909 (let ((string (match-string group)))
7910 (set-text-properties
7911 0 (length string) nil string)
7913 (nthcdr 4 entry)))))
7918 (fboundp (symbol-value fun)))
7919 (apply (symbol-value fun) args))
7921 (gnus-message 1 "You must define `%S' to use this button"
7922 (cons fun args)))))))
7924 (defun gnus-parse-news-url (url)
7925 (let (scheme server port group message-id articles)
7928 (goto-char (point-min))
7929 (when (looking-at "\\([A-Za-z]+\\):")
7930 (setq scheme (match-string 1))
7931 (goto-char (match-end 0)))
7932 (when (looking-at "//\\([^:/]+\\)\\(:?\\)\\([0-9]+\\)?/")
7933 (setq server (match-string 1))
7934 (setq port (if (stringp (match-string 3))
7935 (string-to-number (match-string 3))
7937 (goto-char (match-end 0)))
7940 ((looking-at "\\(.*@.*\\)")
7941 (setq message-id (match-string 1)))
7942 ((looking-at "\\([^/]+\\)/\\([-0-9]+\\)")
7943 (setq group (match-string 1)
7944 articles (split-string (match-string 2) "-")))
7945 ((looking-at "\\([^/]+\\)/?")
7946 (setq group (match-string 1)))
7948 (error "Unknown news URL syntax"))))
7949 (list scheme server port group message-id articles)))
7951 (defun gnus-button-handle-news (url)
7953 (destructuring-bind (scheme server port group message-id articles)
7954 (gnus-parse-news-url url)
7957 (with-current-buffer gnus-summary-buffer
7959 (let ((gnus-refer-article-method
7960 (nconc (list (list 'nntp server))
7961 gnus-refer-article-method))
7962 (nntp-port-number (or port "nntp")))
7963 (gnus-message 7 "Fetching %s with %s"
7964 message-id gnus-refer-article-method)
7965 (gnus-summary-refer-article message-id))
7966 (gnus-summary-refer-article message-id))))
7968 (gnus-button-fetch-group url)))))
7970 (defun gnus-button-patch (library line)
7971 "Visit an Emacs Lisp library LIBRARY on line LINE."
7973 (let ((file (locate-library (file-name-nondirectory library))))
7975 (error "Couldn't find library %s" library))
7977 (goto-char (point-min))
7978 (forward-line (1- (string-to-number line)))))
7980 (defun gnus-button-handle-man (url)
7982 (gnus-message 9 "`%s' `%s'" gnus-button-man-handler url)
7983 (when (eq gnus-button-man-handler 'woman)
7984 (setq url (gnus-replace-in-string url "([1-9][X1a-z]*).*\\'" "")))
7985 (gnus-message 9 "`%s' `%s'" gnus-button-man-handler url)
7986 (funcall gnus-button-man-handler url))
7988 (defun gnus-button-handle-info-url (url)
7989 "Fetch an info URL."
7990 (setq url (mm-subst-char-in-string ?+ ?\ url))
7992 ((string-match "^\\([^:/]+\\)?/\\(.*\\)" url)
7993 (gnus-info-find-node
7994 (concat "(" (or (gnus-url-unhex-string (match-string 1 url))
7996 ")" (gnus-url-unhex-string (match-string 2 url)))))
7997 ((string-match "([^)\"]+)[^\"]+" url)
7999 (gnus-replace-in-string
8000 (gnus-replace-in-string url "[\n\t ]+" " ") "\"" ""))
8001 (gnus-info-find-node url))
8002 (t (error "Can't parse %s" url))))
8004 (defun gnus-button-handle-info-url-gnome (url)
8005 "Fetch GNOME style info URL."
8006 (setq url (mm-subst-char-in-string ?_ ?\ url))
8007 (if (string-match "\\([^#]+\\)#?\\(.*\\)" url)
8008 (gnus-info-find-node
8010 (gnus-url-unhex-string
8011 (match-string 1 url))
8013 (or (gnus-url-unhex-string
8014 (match-string 2 url))
8016 (error "Can't parse %s" url)))
8018 (defun gnus-button-handle-info-url-kde (url)
8019 "Fetch KDE style info URL."
8020 (gnus-info-find-node (gnus-url-unhex-string url)))
8022 ;; (info) will autoload info.el
8023 (declare-function Info-menu "info" (menu-item &optional fork))
8024 (declare-function Info-index-next "info" (num))
8026 (defun gnus-button-handle-info-keystrokes (url)
8027 "Call `info' when pushing the corresponding URL button."
8028 ;; For links like `C-h i d m gnus RET part RET , ,', `C-h i d m CC Mode RET'.
8029 (let (node indx comma)
8031 (concat "\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+i[ \t\n]+d?[ \t\n]?m[ \t\n]+"
8032 "\\([^ ]+ ?[^ ]+\\)[ \t\n]+RET"
8033 "\\([ \t\n]+i[ \t\n]+[^ ]+ ?[^ ]+[ \t\n]+RET"
8034 "\\(?:[ \t\n,]*\\)\\)?")
8036 (setq node (match-string 2 url)
8037 indx (match-string 3 url))
8038 (error "Can't parse %s" url))
8042 (when (> (length indx) 0)
8043 (string-match (concat "[ \t\n]+i[ \t\n]+\\([^ ]+ ?[^ ]+\\)[ \t\n]+RET"
8046 (setq comma (match-string 2 indx))
8047 (setq indx (match-string 1 indx))
8050 (dotimes (i (with-temp-buffer
8052 ;; Note: the XEmacs version of `how-many' takes
8053 ;; no optional argument.
8054 (goto-char (point-min))
8056 (Info-index-next 1)))
8059 ;; Called after pgg-snarf-keys-region, which autoloads pgg.el.
8060 (declare-function pgg-display-output-buffer "pgg" (start end status))
8062 (defun gnus-button-openpgp (url)
8063 "Retrieve and add an OpenPGP key given URL from an OpenPGP header."
8065 (mm-url-insert-file-contents-external url)
8066 (pgg-snarf-keys-region (point-min) (point-max))
8067 (pgg-display-output-buffer nil nil nil)))
8069 (defun gnus-button-message-id (message-id)
8071 (with-current-buffer gnus-summary-buffer
8072 (gnus-summary-refer-article message-id)))
8074 (defun gnus-button-fetch-group (address &rest ignore)
8075 "Fetch GROUP specified by ADDRESS."
8076 (when (string-match "\\`\\(nntp\\|news\\):\\(//\\)?\\(.*\\)\\'"
8078 ;; Allow to use `gnus-button-fetch-group' in `browse-url-browser-function'
8079 ;; for nntp:// and news://
8080 (setq address (match-string 3 address)))
8081 (if (not (string-match "[:/]" address))
8082 ;; This is just a simple group url.
8083 (gnus-group-read-ephemeral-group address gnus-select-method)
8086 "^\\([^:/]+\\)\\(:\\([^/]+\\)\\)?/\\([^/]+\\)\\(/\\([0-9]+\\)\\)?"
8088 (error "Can't parse %s" address)
8089 (gnus-group-read-ephemeral-group
8090 (match-string 4 address)
8091 `(nntp ,(match-string 1 address)
8092 (nntp-address ,(match-string 1 address))
8093 (nntp-port-number ,(if (match-end 3)
8094 (match-string 3 address)
8097 (and (match-end 6) (list (string-to-number (match-string 6 address))))))))
8099 (defun gnus-url-parse-query-string (query &optional downcase)
8100 (let (retval pairs cur key val)
8101 (setq pairs (split-string query "&"))
8103 (setq cur (car pairs)
8105 (if (not (string-match "=" cur))
8107 (setq key (gnus-url-unhex-string (substring cur 0 (match-beginning 0)))
8108 val (gnus-url-unhex-string (substring cur (match-end 0) nil) t))
8110 (setq key (downcase key)))
8111 (setq cur (assoc key retval))
8113 (setcdr cur (cons val (cdr cur)))
8114 (setq retval (cons (list key val) retval)))))
8117 (defun gnus-url-mailto (url)
8118 ;; Send mail to someone
8119 (when (string-match "mailto:/*\\(.*\\)" url)
8120 (setq url (substring url (match-beginning 1) nil)))
8121 (let (to args subject func)
8122 (setq args (gnus-url-parse-query-string
8123 (if (string-match "^\\?" url)
8125 (if (string-match "^\\([^?]+\\)\\?\\(.*\\)" url)
8126 (concat "to=" (match-string 1 url) "&"
8127 (match-string 2 url))
8128 (concat "to=" url)))
8130 subject (cdr-safe (assoc "subject" args)))
8133 (setq func (intern-soft (concat "message-goto-" (downcase (caar args)))))
8136 (message-position-on-field (caar args)))
8137 (insert (gnus-replace-in-string
8138 (mapconcat 'identity (reverse (cdar args)) ", ")
8140 (setq args (cdr args)))
8143 (message-goto-subject))))
8145 (defun gnus-button-embedded-url (address)
8146 "Activate ADDRESS with `browse-url'."
8147 (browse-url (gnus-strip-whitespace address)))
8149 ;;; Next/prev buttons in the article buffer.
8151 (defvar gnus-next-page-line-format "%{%(Next page...%)%}\n")
8152 (defvar gnus-prev-page-line-format "%{%(Previous page...%)%}\n")
8154 (defvar gnus-prev-page-map
8155 (let ((map (make-sparse-keymap)))
8156 (define-key map gnus-mouse-2 'gnus-button-prev-page)
8157 (define-key map "\r" 'gnus-button-prev-page)
8160 (defvar gnus-next-page-map
8161 (let ((map (make-sparse-keymap)))
8162 (define-key map gnus-mouse-2 'gnus-button-next-page)
8163 (define-key map "\r" 'gnus-button-next-page)
8166 (defun gnus-insert-prev-page-button ()
8168 (inhibit-read-only t))
8170 gnus-prev-page-line-format nil
8171 `(keymap ,gnus-prev-page-map
8173 gnus-callback gnus-article-button-prev-page
8174 article-type annotation))
8176 ;; Exclude a newline.
8179 (when gnus-article-button-face
8180 (gnus-overlay-put (gnus-make-overlay b e nil t)
8181 'face gnus-article-button-face))
8182 (widget-convert-button
8184 :action 'gnus-button-prev-page
8185 :button-keymap gnus-prev-page-map)))
8187 (defun gnus-button-next-page (&optional args more-args)
8188 "Go to the next page."
8190 (let ((win (selected-window)))
8191 (select-window (gnus-get-buffer-window gnus-article-buffer t))
8192 (gnus-article-next-page)
8193 (select-window win)))
8195 (defun gnus-button-prev-page (&optional args more-args)
8196 "Go to the prev page."
8198 (let ((win (selected-window)))
8199 (select-window (gnus-get-buffer-window gnus-article-buffer t))
8200 (gnus-article-prev-page)
8201 (select-window win)))
8203 (defun gnus-insert-next-page-button ()
8205 (inhibit-read-only t))
8206 (gnus-eval-format gnus-next-page-line-format nil
8207 `(keymap ,gnus-next-page-map
8209 gnus-callback gnus-article-button-next-page
8210 article-type annotation))
8212 ;; Exclude a newline.
8215 (when gnus-article-button-face
8216 (gnus-overlay-put (gnus-make-overlay b e nil t)
8217 'face gnus-article-button-face))
8218 (widget-convert-button
8220 :action 'gnus-button-next-page
8221 :button-keymap gnus-next-page-map)))
8223 (defun gnus-article-button-next-page (arg)
8224 "Go to the next page."
8226 (let ((win (selected-window)))
8227 (select-window (gnus-get-buffer-window gnus-article-buffer t))
8228 (gnus-article-next-page)
8229 (select-window win)))
8231 (defun gnus-article-button-prev-page (arg)
8232 "Go to the prev page."
8234 (let ((win (selected-window)))
8235 (select-window (gnus-get-buffer-window gnus-article-buffer t))
8236 (gnus-article-prev-page)
8237 (select-window win)))
8239 (defvar gnus-decode-header-methods
8240 '(mail-decode-encoded-word-region)
8241 "List of methods used to decode headers.
8243 This variable is a list of FUNCTION or (REGEXP . FUNCTION). If item
8244 is FUNCTION, FUNCTION will be applied to all newsgroups. If item is a
8245 \(REGEXP . FUNCTION), FUNCTION will be only apply to the newsgroups
8246 whose names match REGEXP.
8249 \((\"chinese\" . gnus-decode-encoded-word-region-by-guess)
8250 mail-decode-encoded-word-region
8251 (\"chinese\" . rfc1843-decode-region))
8254 (defvar gnus-decode-header-methods-cache nil)
8256 (defun gnus-multi-decode-header (start end)
8257 "Apply the functions from `gnus-encoded-word-methods' that match."
8258 (unless (and gnus-decode-header-methods-cache
8259 (eq gnus-newsgroup-name
8260 (car gnus-decode-header-methods-cache)))
8261 (setq gnus-decode-header-methods-cache (list gnus-newsgroup-name))
8262 (dolist (x gnus-decode-header-methods)
8264 (nconc gnus-decode-header-methods-cache (list x))
8265 (if (and gnus-newsgroup-name
8266 (string-match (car x) gnus-newsgroup-name))
8267 (nconc gnus-decode-header-methods-cache
8269 (let ((xlist gnus-decode-header-methods-cache))
8272 (narrow-to-region start end)
8274 (funcall (pop xlist) (point-min) (point-max))))))
8277 ;;; Treatment top-level handling.
8280 (defvar gnus-inhibit-article-treatments nil)
8282 (defun gnus-treat-article (gnus-treat-condition
8283 &optional part-number total-parts gnus-treat-type)
8284 (let ((gnus-treat-length (- (point-max) (point-min)))
8285 (alist gnus-treatment-function-alist)
8286 (article-goto-body-goes-to-point-min-p t)
8288 (or (not gnus-treat-type)
8290 (let ((list gnus-article-treat-types))
8292 (when (string-match (pop list) gnus-treat-type)
8293 (throw 'found t)))))))
8294 (highlightp (gnus-visual-p 'article-highlight 'highlight))
8296 (gnus-run-hooks 'gnus-part-display-hook)
8297 (dolist (elem alist)
8300 (when (gnus-buffer-live-p gnus-summary-buffer)
8301 (set-buffer gnus-summary-buffer))
8302 (symbol-value (car elem))))
8303 (when (and (or (consp val)
8305 (or (not gnus-inhibit-article-treatments)
8306 (eq gnus-treat-condition 'head))
8307 (gnus-treat-predicate val)
8308 (or (not (get (car elem) 'highlight))
8311 (funcall (cadr elem)))))))
8313 ;; Dynamic variables.
8314 (defvar part-number)
8315 (defvar total-parts)
8316 (defvar gnus-treat-type)
8317 (defvar gnus-treat-condition)
8318 (defvar gnus-treat-length)
8320 (defun gnus-treat-predicate (val)
8324 (gnus-treat-condition
8325 (eq gnus-treat-condition val))
8327 (stringp (car val)))
8328 (apply 'gnus-or (mapcar `(lambda (s)
8329 (string-match s ,(or gnus-newsgroup-name "")))
8332 (let ((pred (pop val)))
8335 (apply 'gnus-or (mapcar 'gnus-treat-predicate val)))
8337 (apply 'gnus-and (mapcar 'gnus-treat-predicate val)))
8339 (not (gnus-treat-predicate (car val))))
8341 (equal (car val) gnus-treat-type))
8343 (error "%S is not a valid predicate" pred)))))
8351 (eq part-number total-parts))
8353 (< gnus-treat-length val))
8355 (error "%S is not a valid value" val))))
8357 (defun gnus-article-encrypt-body (protocol &optional n)
8358 "Encrypt the article body."
8361 (or gnus-article-encrypt-protocol
8362 (gnus-completing-read "Encrypt protocol"
8363 (mapcar 'car gnus-article-encrypt-protocol-alist)
8365 current-prefix-arg))
8366 ;; User might hit `K E' instead of `K e', so prompt once.
8367 (when (and gnus-article-encrypt-protocol
8369 (unless (gnus-y-or-n-p "Really encrypt article(s)? ")
8370 (error "Encrypt aborted")))
8371 (let ((func (cdr (assoc protocol gnus-article-encrypt-protocol-alist))))
8373 (error "Can't find the encrypt protocol %s" protocol))
8374 (if (member gnus-newsgroup-name '("nndraft:delayed"
8377 (error "Can't encrypt the article in group %s"
8378 gnus-newsgroup-name))
8379 (gnus-summary-iterate n
8380 (with-current-buffer gnus-summary-buffer
8381 (let ((mail-parse-charset gnus-newsgroup-charset)
8382 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets)
8383 (summary-buffer gnus-summary-buffer)
8385 (gnus-set-global-variables)
8386 (when (gnus-group-read-only-p)
8387 (error "The current newsgroup does not support article encrypt"))
8388 (gnus-summary-show-article t)
8390 (or (mail-header-references gnus-current-headers) ""))
8391 (set-buffer gnus-article-buffer)
8392 (let* ((inhibit-read-only t)
8394 (mapcar (lambda (field)
8395 (and (save-restriction
8396 (message-narrow-to-head)
8397 (goto-char (point-min))
8398 (search-forward field nil t))
8400 (message-narrow-to-field)
8402 (delete-region (point-min) (point-max))
8404 '("Content-Type:" "Content-Transfer-Encoding:"
8405 "Content-Disposition:"))))
8406 (message-narrow-to-head)
8407 (message-remove-header "MIME-Version")
8408 (goto-char (point-max))
8409 (setq point (point))
8410 (insert (apply 'concat headers))
8412 (narrow-to-region point (point-max))
8413 (let ((message-options message-options))
8414 (message-options-set 'message-sender user-mail-address)
8415 (message-options-set 'message-recipients user-mail-address)
8416 (message-options-set 'message-sign-encrypt 'not)
8418 (goto-char (point-min))
8419 (insert "MIME-Version: 1.0\n")
8421 (gnus-summary-edit-article-done
8422 references nil summary-buffer t))
8423 (when gnus-keep-backlog
8424 (gnus-backlog-remove-article
8425 (car gnus-article-current) (cdr gnus-article-current)))
8426 (gnus-flush-original-article-buffer)
8427 (when gnus-use-cache
8428 (gnus-cache-update-article
8429 (car gnus-article-current) (cdr gnus-article-current))))))))
8431 (defvar gnus-mime-security-button-line-format "%{%([[%t:%i]%D]%)%}\n"
8432 "The following specs can be used:
8433 %t The security MIME type
8436 %D Details if button is pressed")
8438 (defvar gnus-mime-security-button-end-line-format "%{%([[End of %t]%D]%)%}\n"
8439 "The following specs can be used:
8440 %t The security MIME type
8443 %D Details if button is pressed")
8445 (defvar gnus-mime-security-button-line-format-alist
8446 '((?t gnus-tmp-type ?s)
8447 (?i gnus-tmp-info ?s)
8448 (?d gnus-tmp-details ?s)
8449 (?D gnus-tmp-pressed-details ?s)))
8451 (defvar gnus-mime-security-button-commands
8452 '((gnus-article-press-button "\r" "Show Detail")
8456 (gnus-mime-security-save-part "o" "Save...")
8465 (gnus-mime-security-pipe-part "|" "Pipe To Command...")
8468 (defvar gnus-mime-security-button-map
8469 (let ((map (make-sparse-keymap)))
8470 (define-key map gnus-mouse-2 'gnus-article-push-button)
8471 (define-key map gnus-down-mouse-3 'gnus-mime-security-button-menu)
8472 (dolist (c gnus-mime-security-button-commands)
8473 (define-key map (cadr c) (car c)))
8477 gnus-mime-security-button-menu gnus-mime-security-button-map
8478 "Security button menu."
8482 (unless (eq (car c) 'undefined)
8483 (vector (caddr c) (car c) :active t)))
8484 gnus-mime-security-button-commands))))
8486 (defun gnus-mime-security-button-menu (event prefix)
8487 "Construct a context-sensitive menu of security commands."
8488 (interactive "e\nP")
8489 (save-window-excursion
8490 (let ((pos (event-start event)))
8491 (select-window (posn-window pos))
8492 (goto-char (posn-point pos))
8493 (gnus-article-check-buffer)
8494 (popup-menu gnus-mime-security-button-menu nil prefix))))
8496 (defvar gnus-mime-security-details-buffer nil)
8498 (defvar gnus-mime-security-button-pressed nil)
8500 (defvar gnus-mime-security-show-details-inline t
8501 "If non-nil, show details in the article buffer.")
8503 (defun gnus-mime-security-verify-or-decrypt (handle)
8504 (mm-remove-parts (cdr handle))
8505 (let ((region (mm-handle-multipart-ctl-parameter handle 'gnus-region))
8506 point (inhibit-read-only t))
8508 (goto-char (car region)))
8509 (setq point (point))
8510 (with-current-buffer (mm-handle-multipart-original-buffer handle)
8511 (let* ((mm-verify-option 'known)
8512 (mm-decrypt-option 'known)
8513 (nparts (mm-possibly-verify-or-decrypt (cdr handle) handle)))
8514 (unless (eq nparts (cdr handle))
8515 (mm-destroy-parts (cdr handle))
8516 (setcdr handle nparts))))
8517 (gnus-mime-display-security handle)
8519 (delete-region (point) (cdr region))
8520 (set-marker (car region) nil)
8521 (set-marker (cdr region) nil))
8524 (defun gnus-mime-security-show-details (handle)
8525 (let ((details (mm-handle-multipart-ctl-parameter handle 'gnus-details)))
8527 (gnus-message 5 "No details.")
8528 (if gnus-mime-security-show-details-inline
8529 (let ((gnus-mime-security-button-pressed
8530 (not (get-text-property (point) 'gnus-mime-details)))
8531 (gnus-mime-security-button-line-format
8532 (get-text-property (point) 'gnus-line-format))
8533 (inhibit-read-only t))
8535 (while (eq (get-text-property (point) 'gnus-line-format)
8536 gnus-mime-security-button-line-format)
8540 (narrow-to-region (point) (point))
8541 (gnus-insert-mime-security-button handle))
8542 (delete-region (point)
8543 (or (text-property-not-all
8546 gnus-mime-security-button-line-format)
8549 (if (gnus-buffer-live-p gnus-mime-security-details-buffer)
8550 (with-current-buffer gnus-mime-security-details-buffer
8553 (setq gnus-mime-security-details-buffer
8554 (gnus-get-buffer-create "*MIME Security Details*")))
8555 (with-current-buffer gnus-mime-security-details-buffer
8557 (goto-char (point-min)))
8558 (pop-to-buffer gnus-mime-security-details-buffer)))))
8560 (defun gnus-mime-security-press-button (handle)
8562 (if (mm-handle-multipart-ctl-parameter handle 'gnus-info)
8563 (gnus-mime-security-show-details handle)
8564 (gnus-mime-security-verify-or-decrypt handle))))
8566 (defun gnus-insert-mime-security-button (handle &optional displayed)
8567 (let* ((protocol (mm-handle-multipart-ctl-parameter handle 'protocol))
8570 (or (nth 2 (assoc protocol mm-verify-function-alist))
8571 (nth 2 (assoc protocol mm-decrypt-function-alist))
8573 (if (equal (car handle) "multipart/signed")
8574 " Signed" " Encrypted")
8577 (or (mm-handle-multipart-ctl-parameter handle 'gnus-info)
8580 (mm-handle-multipart-ctl-parameter handle 'gnus-details))
8581 gnus-tmp-pressed-details
8583 (setq gnus-tmp-details
8584 (if gnus-tmp-details
8585 (concat "\n" gnus-tmp-details)
8587 (setq gnus-tmp-pressed-details
8588 (if gnus-mime-security-button-pressed gnus-tmp-details ""))
8593 gnus-mime-security-button-line-format
8594 gnus-mime-security-button-line-format-alist
8595 `(keymap ,gnus-mime-security-button-map
8596 gnus-callback gnus-mime-security-press-button
8597 gnus-line-format ,gnus-mime-security-button-line-format
8598 gnus-mime-details ,gnus-mime-security-button-pressed
8599 article-type annotation
8602 ;; Exclude a newline.
8605 (when gnus-article-button-face
8606 (gnus-overlay-put (gnus-make-overlay b e nil t)
8607 'face gnus-article-button-face))
8608 (widget-convert-button
8611 :action 'gnus-widget-press-button
8612 :button-keymap gnus-mime-security-button-map
8615 ;; Needed to properly clear the message due to a bug in
8616 ;; wid-edit (XEmacs only).
8617 (when (boundp 'help-echo-owns-message)
8618 (setq help-echo-owns-message t))
8620 "%S: show detail; %S: more options"
8621 (aref gnus-mouse-2 0)
8622 (aref gnus-down-mouse-3 0))))))
8624 (defun gnus-mime-display-security (handle)
8626 (narrow-to-region (point) (point))
8627 (unless (gnus-unbuttonized-mime-type-p (car handle))
8628 (gnus-insert-mime-security-button handle))
8629 (gnus-mime-display-part (cadr handle))
8632 (unless (gnus-unbuttonized-mime-type-p (car handle))
8633 (let ((gnus-mime-security-button-line-format
8634 gnus-mime-security-button-end-line-format))
8635 (gnus-insert-mime-security-button handle)))
8636 (mm-set-handle-multipart-parameter
8638 (cons (set-marker (make-marker) (point-min))
8639 (set-marker (make-marker) (point-max))))
8640 (goto-char (point-max))))
8642 (defun gnus-mime-security-run-function (function)
8643 "Run FUNCTION with the security part under point."
8644 (gnus-article-check-buffer)
8645 (let ((data (get-text-property (point) 'gnus-data))
8647 (when (and (stringp (car-safe data))
8648 (setq buffer (mm-handle-multipart-original-buffer data))
8649 (setq handle (cadr data)))
8650 (if (bufferp (mm-handle-buffer handle))
8652 (setq handle (cons buffer (copy-sequence (cdr handle))))
8653 (mm-handle-set-undisplayer handle nil))
8654 (setq handle (mm-make-handle
8656 (mm-handle-multipart-ctl-parameter handle 'protocol)
8657 nil nil nil nil nil nil)))
8658 (funcall function handle))))
8660 (defun gnus-mime-security-save-part ()
8661 "Save the security part under point."
8663 (gnus-mime-security-run-function 'mm-save-part))
8665 (defun gnus-mime-security-pipe-part ()
8666 "Pipe the security part under point to a process."
8668 (gnus-mime-security-run-function 'mm-pipe-part))
8674 (run-hooks 'gnus-art-load-hook)
8676 ;;; gnus-art.el ends here