1 ;;; gnus-art.el --- article mode commands for Gnus
3 ;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
4 ;; 2005 Free Software Foundation, Inc.
6 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
9 ;; This file is part of GNU Emacs.
11 ;; GNU Emacs is free software; you can redistribute it and/or modify
12 ;; it under the terms of the GNU General Public License as published by
13 ;; the Free Software Foundation; either version 2, or (at your option)
16 ;; GNU Emacs is distributed in the hope that it will be useful,
17 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 ;; GNU General Public License for more details.
21 ;; You should have received a copy of the GNU General Public License
22 ;; along with GNU Emacs; see the file COPYING. If not, write to the
23 ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
24 ;; Boston, MA 02110-1301, USA.
32 (defvar tool-bar-map))
35 ;; Avoid the "Recursive load suspected" error in Emacs 21.1.
37 (let ((recursive-load-depth-limit 100))
50 (autoload 'gnus-msg-mail "gnus-msg" nil t)
51 (autoload 'gnus-button-mailto "gnus-msg")
52 (autoload 'gnus-button-reply "gnus-msg" nil t)
53 (autoload 'parse-time-string "parse-time" nil nil)
54 (autoload 'ansi-color-apply-on-region "ansi-color")
56 (defgroup gnus-article nil
58 :link '(custom-manual "(gnus)Article Buffer")
61 (defgroup gnus-article-treat nil
62 "Treating article parts."
63 :link '(custom-manual "(gnus)Article Hiding")
66 (defgroup gnus-article-hiding nil
67 "Hiding article parts."
68 :link '(custom-manual "(gnus)Article Hiding")
71 (defgroup gnus-article-highlight nil
72 "Article highlighting."
73 :link '(custom-manual "(gnus)Article Highlighting")
77 (defgroup gnus-article-signature nil
79 :link '(custom-manual "(gnus)Article Signature")
82 (defgroup gnus-article-headers nil
84 :link '(custom-manual "(gnus)Hiding Headers")
87 (defgroup gnus-article-washing nil
88 "Special commands on articles."
89 :link '(custom-manual "(gnus)Article Washing")
92 (defgroup gnus-article-emphasis nil
93 "Fontisizing articles."
94 :link '(custom-manual "(gnus)Article Fontisizing")
97 (defgroup gnus-article-saving nil
99 :link '(custom-manual "(gnus)Saving Articles")
100 :group 'gnus-article)
102 (defgroup gnus-article-mime nil
103 "Worshiping the MIME wonder."
104 :link '(custom-manual "(gnus)Using MIME")
105 :group 'gnus-article)
107 (defgroup gnus-article-buttons nil
108 "Pushable buttons in the article buffer."
109 :link '(custom-manual "(gnus)Article Buttons")
110 :group 'gnus-article)
112 (defgroup gnus-article-various nil
113 "Other article options."
114 :link '(custom-manual "(gnus)Misc Article")
115 :group 'gnus-article)
117 (defcustom gnus-ignored-headers
120 (concat "^" header ":"))
121 '("Path" "Expires" "Date-Received" "References" "Xref" "Lines"
122 "Relay-Version" "Message-ID" "Approved" "Sender" "Received"
123 "X-UIDL" "MIME-Version" "Return-Path" "In-Reply-To"
124 "Content-Type" "Content-Transfer-Encoding" "X-WebTV-Signature"
125 "X-MimeOLE" "X-MSMail-Priority" "X-Priority" "X-Loop"
126 "X-Authentication-Warning" "X-MIME-Autoconverted" "X-Face"
127 "X-Attribution" "X-Originating-IP" "Delivered-To"
128 "NNTP-[-A-Za-z]+" "Distribution" "X-no-archive" "X-Trace"
129 "X-Complaints-To" "X-NNTP-Posting-Host" "X-Orig.*"
130 "Abuse-Reports-To" "Cache-Post-Path" "X-Article-Creation-Date"
131 "X-Poster" "X-Mail2News-Path" "X-Server-Date" "X-Cache"
132 "Originator" "X-Problems-To" "X-Auth-User" "X-Post-Time"
133 "X-Admin" "X-UID" "Resent-[-A-Za-z]+" "X-Mailing-List"
134 "Precedence" "Original-[-A-Za-z]+" "X-filename" "X-Orcpt"
135 "Old-Received" "X-Pgp" "X-Auth" "X-From-Line"
136 "X-Gnus-Article-Number" "X-Majordomo" "X-Url" "X-Sender"
137 "MBOX-Line" "Priority" "X400-[-A-Za-z]+"
138 "Status" "X-Gnus-Mail-Source" "Cancel-Lock"
139 "X-FTN" "X-EXP32-SerialNo" "Encoding" "Importance"
140 "Autoforwarded" "Original-Encoded-Information-Types" "X-Ya-Pop3"
141 "X-Face-Version" "X-Vms-To" "X-ML-NAME" "X-ML-COUNT"
142 "Mailing-List" "X-finfo" "X-md5sum" "X-md5sum-Origin"
143 "X-Sun-Charset" "X-Accept-Language" "X-Envelope-Sender"
144 "List-[A-Za-z]+" "X-Listprocessor-Version"
145 "X-Received" "X-Distribute" "X-Sequence" "X-Juno-Line-Breaks"
146 "X-Notes-Item" "X-MS-TNEF-Correlator" "x-uunet-gateway"
147 "X-Received" "Content-length" "X-precedence"
148 "X-Authenticated-User" "X-Comment" "X-Report" "X-Abuse-Info"
149 "X-HTTP-Proxy" "X-Mydeja-Info" "X-Copyright" "X-No-Markup"
150 "X-Abuse-Info" "X-From_" "X-Accept-Language" "Errors-To"
151 "X-BeenThere" "X-Mailman-Version" "List-Help" "List-Post"
152 "List-Subscribe" "List-Id" "List-Unsubscribe" "List-Archive"
153 "X-Content-length" "X-Posting-Agent" "Original-Received"
154 "X-Request-PGP" "X-Fingerprint" "X-WRIEnvto" "X-WRIEnvfrom"
155 "X-Virus-Scanned" "X-Delivery-Agent" "Posted-Date" "X-Gateway"
156 "X-Local-Origin" "X-Local-Destination" "X-UserInfo1"
157 "X-Received-Date" "X-Hashcash" "Face" "X-DMCA-Notifications"
158 "X-Abuse-and-DMCA-Info" "X-Postfilter" "X-Gpg-.*" "X-Disclaimer"))
159 "*All headers that start with this regexp will be hidden.
160 This variable can also be a list of regexps of headers to be ignored.
161 If `gnus-visible-headers' is non-nil, this variable will be ignored."
162 :type '(choice :custom-show nil
165 :group 'gnus-article-hiding)
167 (defcustom gnus-visible-headers
168 "^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:"
169 "*All headers that do not match this regexp will be hidden.
170 This variable can also be a list of regexp of headers to remain visible.
171 If this variable is non-nil, `gnus-ignored-headers' will be ignored."
172 :type '(repeat :value-to-internal (lambda (widget value)
173 (custom-split-regexp-maybe value))
174 :match (lambda (widget value)
176 (widget-editable-list-match widget value)))
178 :group 'gnus-article-hiding)
180 (defcustom gnus-sorted-header-list
181 '("^From:" "^Subject:" "^Summary:" "^Keywords:" "^Newsgroups:"
182 "^Followup-To:" "^To:" "^Cc:" "^Date:" "^Organization:")
183 "*This variable is a list of regular expressions.
184 If it is non-nil, headers that match the regular expressions will
185 be placed first in the article buffer in the sequence specified by
187 :type '(repeat regexp)
188 :group 'gnus-article-hiding)
190 (defcustom gnus-boring-article-headers '(empty followup-to reply-to)
191 "Headers that are only to be displayed if they have interesting data.
192 Possible values in this list are:
194 'empty Headers with no content.
195 'newsgroups Newsgroup identical to Gnus group.
196 'to-address To identical to To-address.
197 'to-list To identical to To-list.
198 'cc-list CC identical to To-list.
199 'followup-to Followup-to identical to Newsgroups.
200 'reply-to Reply-to identical to From.
201 'date Date less than four days old.
202 'long-to To and/or Cc longer than 1024 characters.
203 'many-to Multiple To and/or Cc."
204 :type '(set (const :tag "Headers with no content." empty)
205 (const :tag "Newsgroups identical to Gnus group." newsgroups)
206 (const :tag "To identical to To-address." to-address)
207 (const :tag "To identical to To-list." to-list)
208 (const :tag "CC identical to To-list." cc-list)
209 (const :tag "Followup-to identical to Newsgroups." followup-to)
210 (const :tag "Reply-to identical to From." reply-to)
211 (const :tag "Date less than four days old." date)
212 (const :tag "To and/or Cc longer than 1024 characters." long-to)
213 (const :tag "Multiple To and/or Cc headers." many-to))
214 :group 'gnus-article-hiding)
216 (defcustom gnus-article-skip-boring nil
217 "Skip over text that is not worth reading.
218 By default, if you set this t, then Gnus will display citations and
219 signatures, but will never scroll down to show you a page consisting
220 only of boring text. Boring text is controlled by
221 `gnus-article-boring-faces'."
224 :group 'gnus-article-hiding)
226 (defcustom gnus-signature-separator '("^-- $" "^-- *$")
227 "Regexp matching signature separator.
228 This can also be a list of regexps. In that case, it will be checked
229 from head to tail looking for a separator. Searches will be done from
230 the end of the buffer."
231 :type '(repeat string)
232 :group 'gnus-article-signature)
234 (defcustom gnus-signature-limit nil
235 "Provide a limit to what is considered a signature.
236 If it is a number, no signature may not be longer (in characters) than
237 that number. If it is a floating point number, no signature may be
238 longer (in lines) than that number. If it is a function, the function
239 will be called without any parameters, and if it returns nil, there is
240 no signature in the buffer. If it is a string, it will be used as a
241 regexp. If it matches, the text in question is not a signature.
243 This can also be a list of the above values."
244 :type '(choice (const nil)
247 (function :value fun)
248 (regexp :value ".*"))
249 :group 'gnus-article-signature)
251 (defcustom gnus-hidden-properties '(invisible t intangible t)
252 "Property list to use for hiding text."
254 :group 'gnus-article-hiding)
256 ;; Fixme: This isn't the right thing for mixed graphical and non-graphical
257 ;; frames in a session.
258 (defcustom gnus-article-x-face-command
259 (if (featurep 'xemacs)
260 (if (or (gnus-image-type-available-p 'xface)
261 (gnus-image-type-available-p 'pbm))
262 'gnus-display-x-face-in-from
263 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | ee -")
264 (if (gnus-image-type-available-p 'pbm)
265 'gnus-display-x-face-in-from
266 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | \
268 "*String or function to be executed to display an X-Face header.
269 If it is a string, the command will be executed in a sub-shell
270 asynchronously. The compressed face will be piped to this command."
271 :type `(choice string
272 (function-item gnus-display-x-face-in-from)
276 :group 'gnus-article-washing)
278 (defcustom gnus-article-x-face-too-ugly nil
279 "Regexp matching posters whose face shouldn't be shown automatically."
280 :type '(choice regexp (const nil))
281 :group 'gnus-article-washing)
283 (defcustom gnus-article-banner-alist nil
284 "Banner alist for stripping.
286 ((egroups . \"^[ \\t\\n]*-------------------+\\\\( \\\\(e\\\\|Yahoo! \\\\)Groups Sponsor -+\\\\)?....\\n\\\\(.+\\n\\\\)+\"))"
288 :type '(repeat (cons symbol regexp))
289 :group 'gnus-article-washing)
291 (gnus-define-group-parameter
294 "Alist of regexps (to match group names) and banner."
295 :variable-group gnus-article-washing
297 '(choice :tag "Banner"
299 (const :tag "Remove signature" signature)
300 (symbol :tag "Item in `gnus-article-banner-alist'" none)
302 (const :tag "None" nil))
304 "If non-nil, specify how to remove `banners' from articles.
306 Symbol `signature' means to remove signatures delimited by
307 `gnus-signature-separator'. Any other symbol is used to look up a
308 regular expression to match the banner in `gnus-article-banner-alist'.
309 A string is used as a regular expression to match the banner
312 (defcustom gnus-article-address-banner-alist nil
313 "Alist of mail addresses and banners.
314 Each element has the form (ADDRESS . BANNER), where ADDRESS is a regexp
315 to match a mail address in the From: header, BANNER is one of a symbol
316 `signature', an item in `gnus-article-banner-alist', a regexp and nil.
317 If ADDRESS matches author's mail address, it will remove things like
318 advertisements. For example:
320 \((\"@yoo-hoo\\\\.co\\\\.jp\\\\'\" . \"\\n_+\\nDo You Yoo-hoo!\\\\?\\n.*\\n.*\\n\"))
324 (regexp :tag "Address")
325 (choice :tag "Banner" :value nil
326 (const :tag "Remove signature" signature)
327 (symbol :tag "Item in `gnus-article-banner-alist'" none)
329 (const :tag "None" nil))))
331 :group 'gnus-article-washing)
333 (defmacro gnus-emphasis-custom-with-format (&rest body)
335 \\(\\s-\\|^\\|\\=\\|[-\"]\\|\\s(\\)\\(%s\\(\\w+\\(\\s-+\\w+\\)*[.,]?\\)%s\\)\
336 \\(\\([-,.;:!?\"]\\|\\s)\\)+\\s-\\|[?!.]\\s-\\|\\s)\\|\\s-\\)"))
339 (defun gnus-emphasis-custom-value-to-external (value)
340 (gnus-emphasis-custom-with-format
341 (if (consp (car value))
342 (list (format format (car (car value)) (cdr (car value)))
344 (if (nth 1 value) 2 3)
348 (defun gnus-emphasis-custom-value-to-internal (value)
349 (gnus-emphasis-custom-with-format
350 (let ((regexp (concat "\\`"
351 (format (regexp-quote format)
352 "\\([^()]+\\)" "\\([^()]+\\)")
355 (if (string-match regexp (setq pattern (car value)))
356 (list (cons (match-string 1 pattern) (match-string 2 pattern))
361 (defcustom gnus-emphasis-alist
363 '(("\\*" "\\*" bold nil 2)
366 ("_/" "/_" underline-italic)
367 ("_\\*" "\\*_" underline-bold)
368 ("\\*/" "/\\*" bold-italic)
369 ("_\\*/" "/\\*_" underline-bold-italic))))
371 (gnus-emphasis-custom-with-format
372 (mapcar (lambda (spec)
373 (list (format format (car spec) (cadr spec))
376 (intern (format "gnus-emphasis-%s" (nth 2 spec)))))
378 '(;; I've never seen anyone use this strikethru convention whereas I've
379 ;; several times seen it triggered by normal text. --Stef
380 ;; Miles suggests that this form is sometimes used but for italics,
381 ;; so maybe we should map it to `italic'.
382 ;; ("\\(\\s-\\|^\\)\\(-\\(\\(\\w\\|-[^-]\\)+\\)-\\)\\(\\s-\\|[?!.,;]\\)"
383 ;; 2 3 gnus-emphasis-strikethru)
384 ("\\(\\s-\\|^\\)\\(_\\(\\(\\w\\|_[^_]\\)+\\)_\\)\\(\\s-\\|[?!.,;]\\)"
385 2 3 gnus-emphasis-underline))))
386 "*Alist that says how to fontify certain phrases.
387 Each item looks like this:
389 (\"_\\\\(\\\\w+\\\\)_\" 0 1 'underline)
391 The first element is a regular expression to be matched. The second
392 is a number that says what regular expression grouping used to find
393 the entire emphasized word. The third is a number that says what
394 regexp grouping should be displayed and highlighted. The fourth
395 is the face used for highlighting."
399 :format "%[Customizing Style%]\n%v"
401 (group :tag "Default"
402 :value ("" 0 0 default)
405 (let ((value (widget-get
406 (cadr (widget-get (widget-get widget :parent)
409 (if (not (eq (nth 2 value) 'default))
413 (gnus-emphasis-custom-value-to-external value))))
414 (widget-group-value-create widget))
416 (integer :format "Match group: %v")
417 (integer :format "Emphasize group: %v")
420 :value (("_" . "_") nil default)
422 (regexp :format "Start regexp: %v")
423 (regexp :format "End regexp: %v"))
424 (boolean :format "Show start and end patterns: %[%v%]\n"
425 :on " On " :off " Off ")
427 :get (lambda (symbol)
428 (mapcar 'gnus-emphasis-custom-value-to-internal
429 (default-value symbol)))
430 :set (lambda (symbol value)
431 (set-default symbol (mapcar 'gnus-emphasis-custom-value-to-external
433 :group 'gnus-article-emphasis)
435 (defcustom gnus-emphasize-whitespace-regexp "^[ \t]+\\|[ \t]*\n"
436 "A regexp to describe whitespace which should not be emphasized.
437 Typical values are \"^[ \\t]+\\\\|[ \\t]*\\n\" and \"[ \\t]+\\\\|[ \\t]*\\n\".
438 The former avoids underlining of leading and trailing whitespace,
439 and the latter avoids underlining any whitespace at all."
441 :group 'gnus-article-emphasis
444 (defface gnus-emphasis-bold '((t (:bold t)))
445 "Face used for displaying strong emphasized text (*word*)."
446 :group 'gnus-article-emphasis)
448 (defface gnus-emphasis-italic '((t (:italic t)))
449 "Face used for displaying italic emphasized text (/word/)."
450 :group 'gnus-article-emphasis)
452 (defface gnus-emphasis-underline '((t (:underline t)))
453 "Face used for displaying underlined emphasized text (_word_)."
454 :group 'gnus-article-emphasis)
456 (defface gnus-emphasis-underline-bold '((t (:bold t :underline t)))
457 "Face used for displaying underlined bold emphasized text (_*word*_)."
458 :group 'gnus-article-emphasis)
460 (defface gnus-emphasis-underline-italic '((t (:italic t :underline t)))
461 "Face used for displaying underlined italic emphasized text (_/word/_)."
462 :group 'gnus-article-emphasis)
464 (defface gnus-emphasis-bold-italic '((t (:bold t :italic t)))
465 "Face used for displaying bold italic emphasized text (/*word*/)."
466 :group 'gnus-article-emphasis)
468 (defface gnus-emphasis-underline-bold-italic
469 '((t (:bold t :italic t :underline t)))
470 "Face used for displaying underlined bold italic emphasized text.
471 Example: (_/*word*/_)."
472 :group 'gnus-article-emphasis)
474 (defface gnus-emphasis-strikethru (if (featurep 'xemacs)
475 '((t (:strikethru t)))
476 '((t (:strike-through t))))
477 "Face used for displaying strike-through text (-word-)."
478 :group 'gnus-article-emphasis)
480 (defface gnus-emphasis-highlight-words
481 '((t (:background "black" :foreground "yellow")))
482 "Face used for displaying highlighted words."
483 :group 'gnus-article-emphasis)
485 (defcustom gnus-article-time-format "%a, %d %b %Y %T %Z"
486 "Format for display of Date headers in article bodies.
487 See `format-time-string' for the possible values.
489 The variable can also be function, which should return a complete Date
490 header. The function is called with one argument, the time, which can
491 be fed to `format-time-string'."
492 :type '(choice string function)
493 :link '(custom-manual "(gnus)Article Date")
494 :group 'gnus-article-washing)
496 (defcustom gnus-save-all-headers t
497 "*If non-nil, don't remove any headers before saving."
498 :group 'gnus-article-saving
501 (defcustom gnus-prompt-before-saving 'always
502 "*This variable says how much prompting is to be done when saving articles.
503 If it is nil, no prompting will be done, and the articles will be
504 saved to the default files. If this variable is `always', each and
505 every article that is saved will be preceded by a prompt, even when
506 saving large batches of articles. If this variable is neither nil not
507 `always', there the user will be prompted once for a file name for
508 each invocation of the saving commands."
509 :group 'gnus-article-saving
510 :type '(choice (item always)
511 (item :tag "never" nil)
512 (sexp :tag "once" :format "%t\n" :value t)))
514 (defcustom gnus-saved-headers gnus-visible-headers
515 "Headers to keep if `gnus-save-all-headers' is nil.
516 If `gnus-save-all-headers' is non-nil, this variable will be ignored.
517 If that variable is nil, however, all headers that match this regexp
518 will be kept while the rest will be deleted before saving."
519 :group 'gnus-article-saving
522 (defcustom gnus-default-article-saver 'gnus-summary-save-in-rmail
523 "A function to save articles in your favourite format.
524 The function must be interactively callable (in other words, it must
525 be an Emacs command).
527 Gnus provides the following functions:
529 * gnus-summary-save-in-rmail (Rmail format)
530 * gnus-summary-save-in-mail (Unix mail format)
531 * gnus-summary-save-in-folder (MH folder)
532 * gnus-summary-save-in-file (article format)
533 * gnus-summary-save-body-in-file (article body)
534 * gnus-summary-save-in-vm (use VM's folder format)
535 * gnus-summary-write-to-file (article format -- overwrite)."
536 :group 'gnus-article-saving
537 :type '(radio (function-item gnus-summary-save-in-rmail)
538 (function-item gnus-summary-save-in-mail)
539 (function-item gnus-summary-save-in-folder)
540 (function-item gnus-summary-save-in-file)
541 (function-item gnus-summary-save-body-in-file)
542 (function-item gnus-summary-save-in-vm)
543 (function-item gnus-summary-write-to-file)))
545 (defcustom gnus-rmail-save-name 'gnus-plain-save-name
546 "A function generating a file name to save articles in Rmail format.
547 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
548 :group 'gnus-article-saving
551 (defcustom gnus-mail-save-name 'gnus-plain-save-name
552 "A function generating a file name to save articles in Unix mail format.
553 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
554 :group 'gnus-article-saving
557 (defcustom gnus-folder-save-name 'gnus-folder-save-name
558 "A function generating a file name to save articles in MH folder.
559 The function is called with NEWSGROUP, HEADERS, and optional LAST-FOLDER."
560 :group 'gnus-article-saving
563 (defcustom gnus-file-save-name 'gnus-numeric-save-name
564 "A function generating a file name to save articles in article format.
565 The function is called with NEWSGROUP, HEADERS, and optional
567 :group 'gnus-article-saving
570 (defcustom gnus-split-methods
571 '((gnus-article-archive-name)
572 (gnus-article-nndoc-name))
573 "*Variable used to suggest where articles are to be saved.
574 For instance, if you would like to save articles related to Gnus in
575 the file \"gnus-stuff\", and articles related to VM in \"vm-stuff\",
576 you could set this variable to something like:
578 '((\"^Subject:.*gnus\\|^Newsgroups:.*gnus\" \"gnus-stuff\")
579 (\"^Subject:.*vm\\|^Xref:.*vm\" \"vm-stuff\"))
581 This variable is an alist where the key is the match and the
582 value is a list of possible files to save in if the match is
585 If the match is a string, it is used as a regexp match on the
586 article. If the match is a symbol, that symbol will be funcalled
587 from the buffer of the article to be saved with the newsgroup as
588 the parameter. If it is a list, it will be evaled in the same
591 If this form or function returns a string, this string will be
592 used as a possible file name; and if it returns a non-nil list,
593 that list will be used as possible file names."
594 :group 'gnus-article-saving
595 :type '(repeat (choice (list :value (fun) function)
596 (cons :value ("" "") regexp (repeat string))
599 (defcustom gnus-page-delimiter "^\^L"
600 "*Regexp describing what to use as article page delimiters.
601 The default value is \"^\^L\", which is a form linefeed at the
602 beginning of a line."
604 :group 'gnus-article-various)
606 (defcustom gnus-article-mode-line-format "Gnus: %g [%w] %S%m"
607 "*The format specification for the article mode line.
608 See `gnus-summary-mode-line-format' for a closer description.
610 The following additional specs are available:
612 %w The article washing status.
613 %m The number of MIME parts in the article."
615 :group 'gnus-article-various)
617 (defcustom gnus-article-mode-hook nil
618 "*A hook for Gnus article mode."
620 :group 'gnus-article-various)
622 (when (featurep 'xemacs)
623 ;; Extracted from gnus-xmas-define in order to preserve user settings
624 (when (fboundp 'turn-off-scroll-in-place)
625 (add-hook 'gnus-article-mode-hook 'turn-off-scroll-in-place))
626 ;; Extracted from gnus-xmas-redefine in order to preserve user settings
627 (add-hook 'gnus-article-mode-hook 'gnus-xmas-article-menu-add))
629 (defcustom gnus-article-menu-hook nil
630 "*Hook run after the creation of the article mode menu."
632 :group 'gnus-article-various)
634 (defcustom gnus-article-prepare-hook nil
635 "*A hook called after an article has been prepared in the article buffer."
637 :group 'gnus-article-various)
639 (defcustom gnus-copy-article-ignored-headers nil
640 "List of headers to be removed when copying an article.
641 Each element is a regular expression."
642 :version "23.0" ;; No Gnus
643 :type '(repeat regexp)
644 :group 'gnus-article-various)
646 (make-obsolete-variable 'gnus-article-hide-pgp-hook
647 "This variable is obsolete in Gnus 5.10.")
649 (defcustom gnus-article-button-face 'bold
650 "Face used for highlighting buttons in the article buffer.
652 An article button is a piece of text that you can activate by pressing
653 `RET' or `mouse-2' above it."
655 :group 'gnus-article-buttons)
657 (defcustom gnus-article-mouse-face 'highlight
658 "Face used for mouse highlighting in the article buffer.
660 Article buttons will be displayed in this face when the cursor is
663 :group 'gnus-article-buttons)
665 (defcustom gnus-signature-face 'gnus-signature
666 "Face used for highlighting a signature in the article buffer.
667 Obsolete; use the face `gnus-signature' for customizations instead."
669 :group 'gnus-article-highlight
670 :group 'gnus-article-signature)
672 (defface gnus-signature
675 "Face used for highlighting a signature in the article buffer."
676 :group 'gnus-article-highlight
677 :group 'gnus-article-signature)
678 ;; backward-compatibility alias
679 (put 'gnus-signature-face 'face-alias 'gnus-signature)
681 (defface gnus-header-from
684 (:foreground "spring green"))
687 (:foreground "red3"))
690 "Face used for displaying from headers."
691 :group 'gnus-article-headers
692 :group 'gnus-article-highlight)
693 ;; backward-compatibility alias
694 (put 'gnus-header-from-face 'face-alias 'gnus-header-from)
696 (defface gnus-header-subject
699 (:foreground "SeaGreen3"))
702 (:foreground "red4"))
704 (:bold t :italic t)))
705 "Face used for displaying subject headers."
706 :group 'gnus-article-headers
707 :group 'gnus-article-highlight)
708 ;; backward-compatibility alias
709 (put 'gnus-header-subject-face 'face-alias 'gnus-header-subject)
711 (defface gnus-header-newsgroups
714 (:foreground "yellow" :italic t))
717 (:foreground "MidnightBlue" :italic t))
720 "Face used for displaying newsgroups headers.
721 In the default setup this face is only used for crossposted
723 :group 'gnus-article-headers
724 :group 'gnus-article-highlight)
725 ;; backward-compatibility alias
726 (put 'gnus-header-newsgroups-face 'face-alias 'gnus-header-newsgroups)
728 (defface gnus-header-name
731 (:foreground "SeaGreen"))
734 (:foreground "maroon"))
737 "Face used for displaying header names."
738 :group 'gnus-article-headers
739 :group 'gnus-article-highlight)
740 ;; backward-compatibility alias
741 (put 'gnus-header-name-face 'face-alias 'gnus-header-name)
743 (defface gnus-header-content
746 (:foreground "forest green" :italic t))
749 (:foreground "indianred4" :italic t))
751 (:italic t))) "Face used for displaying header content."
752 :group 'gnus-article-headers
753 :group 'gnus-article-highlight)
754 ;; backward-compatibility alias
755 (put 'gnus-header-content-face 'face-alias 'gnus-header-content)
757 (defcustom gnus-header-face-alist
758 '(("From" nil gnus-header-from)
759 ("Subject" nil gnus-header-subject)
760 ("Newsgroups:.*," nil gnus-header-newsgroups)
761 ("" gnus-header-name gnus-header-content))
762 "*Controls highlighting of article headers.
764 An alist of the form (HEADER NAME CONTENT).
766 HEADER is a regular expression which should match the name of a
767 header and NAME and CONTENT are either face names or nil.
769 The name of each header field will be displayed using the face
770 specified by the first element in the list where HEADER matches
771 the header name and NAME is non-nil. Similarly, the content will
772 be displayed by the first non-nil matching CONTENT face."
773 :group 'gnus-article-headers
774 :group 'gnus-article-highlight
775 :type '(repeat (list (regexp :tag "Header")
777 (item :tag "skip" nil)
778 (face :value default))
779 (choice :tag "Content"
780 (item :tag "skip" nil)
781 (face :value default)))))
783 (defcustom gnus-article-decode-hook
784 '(article-decode-charset article-decode-encoded-words
785 article-decode-group-name article-decode-idna-rhs)
786 "*Hook run to decode charsets in articles."
787 :group 'gnus-article-headers
790 (defcustom gnus-display-mime-function 'gnus-display-mime
791 "Function to display MIME articles."
792 :group 'gnus-article-mime
795 (defvar gnus-decode-header-function 'mail-decode-encoded-word-region
796 "Function used to decode headers.")
798 (defvar gnus-article-dumbquotes-map
818 "Table for MS-to-Latin1 translation.")
820 (defcustom gnus-ignored-mime-types nil
821 "List of MIME types that should be ignored by Gnus."
823 :group 'gnus-article-mime
824 :type '(repeat regexp))
826 (defcustom gnus-unbuttonized-mime-types '(".*/.*")
827 "List of MIME types that should not be given buttons when rendered inline.
828 See also `gnus-buttonized-mime-types' which may override this variable.
829 This variable is only used when `gnus-inhibit-mime-unbuttonizing' is nil."
831 :group 'gnus-article-mime
832 :type '(repeat regexp))
834 (defcustom gnus-buttonized-mime-types nil
835 "List of MIME types that should be given buttons when rendered inline.
836 If set, this variable overrides `gnus-unbuttonized-mime-types'.
837 To see e.g. security buttons you could set this to
838 `(\"multipart/signed\")'.
839 This variable is only used when `gnus-inhibit-mime-unbuttonizing' is nil."
841 :group 'gnus-article-mime
842 :type '(repeat regexp))
844 (defcustom gnus-inhibit-mime-unbuttonizing nil
845 "If non-nil, all MIME parts get buttons.
846 When nil (the default value), then some MIME parts do not get buttons,
847 as described by the variables `gnus-buttonized-mime-types' and
848 `gnus-unbuttonized-mime-types'."
850 :group 'gnus-article-mime
853 (defcustom gnus-body-boundary-delimiter "_"
854 "String used to delimit header and body.
855 This variable is used by `gnus-article-treat-body-boundary' which can
856 be controlled by `gnus-treat-body-boundary'."
858 :group 'gnus-article-various
859 :type '(choice (item :tag "None" :value nil)
862 (defcustom gnus-picon-databases '("/usr/lib/picon" "/usr/local/faces"
864 "Defines the location of the faces database.
865 For information on obtaining this database of pretty pictures, please
866 see http://www.cs.indiana.edu/picons/ftp/index.html"
868 :type '(repeat directory)
869 :link '(url-link :tag "download"
870 "http://www.cs.indiana.edu/picons/ftp/index.html")
871 :link '(custom-manual "(gnus)Picons")
874 (defun gnus-picons-installed-p ()
875 "Say whether picons are installed on your machine."
876 (let ((installed nil))
877 (dolist (database gnus-picon-databases)
878 (when (file-exists-p database)
882 (defcustom gnus-article-mime-part-function nil
883 "Function called with a MIME handle as the argument.
884 This is meant for people who want to do something automatic based
885 on parts -- for instance, adding Vcard info to a database."
886 :group 'gnus-article-mime
887 :type '(choice (const nil)
890 (defcustom gnus-mime-multipart-functions nil
891 "An alist of MIME types to functions to display them."
893 :group 'gnus-article-mime
894 :type '(repeat (cons :format "%v" (string :tag "MIME type") function)))
896 (defcustom gnus-article-date-lapsed-new-header nil
897 "Whether the X-Sent and Date headers can coexist.
898 When using `gnus-treat-date-lapsed', the \"X-Sent:\" header will
899 either replace the old \"Date:\" header (if this variable is nil), or
900 be added below it (otherwise)."
902 :group 'gnus-article-headers
905 (defcustom gnus-article-mime-match-handle-function 'undisplayed-alternative
906 "Function called with a MIME handle as the argument.
907 This is meant for people who want to view first matched part.
908 For `undisplayed-alternative' (default), the first undisplayed
909 part or alternative part is used. For `undisplayed', the first
910 undisplayed part is used. For a function, the first part which
911 the function return t is used. For nil, the first part is
914 :group 'gnus-article-mime
916 (item :tag "first" :value nil)
917 (item :tag "undisplayed" :value undisplayed)
918 (item :tag "undisplayed or alternative"
919 :value undisplayed-alternative)
922 (defcustom gnus-mime-action-alist
923 '(("save to file" . gnus-mime-save-part)
924 ("save and strip" . gnus-mime-save-part-and-strip)
925 ("delete part" . gnus-mime-delete-part)
926 ("display as text" . gnus-mime-inline-part)
927 ("view the part" . gnus-mime-view-part)
928 ("pipe to command" . gnus-mime-pipe-part)
929 ("toggle display" . gnus-article-press-button)
930 ("toggle display" . gnus-article-view-part-as-charset)
931 ("view as type" . gnus-mime-view-part-as-type)
932 ("view internally" . gnus-mime-view-part-internally)
933 ("view externally" . gnus-mime-view-part-externally))
934 "An alist of actions that run on the MIME attachment."
935 :group 'gnus-article-mime
936 :type '(repeat (cons (string :tag "name")
939 (defcustom gnus-auto-select-part 1
940 "Advance to next MIME part when deleting or stripping parts.
942 When 0, point will be placed on the same part as before. When
943 positive (negative), move point forward (backwards) this many
944 parts. When nil, redisplay article."
945 :version "23.0" ;; No Gnus
946 :group 'gnus-article-mime
947 :type '(choice (const nil :tag "Redisplay article.")
948 (const 1 :tag "Next part.")
949 (const 0 :tag "Current part.")
953 ;;; The treatment variables
956 (defvar gnus-part-display-hook nil
957 "Hook called on parts that are to receive treatment.")
959 (defvar gnus-article-treat-custom
960 '(choice (const :tag "Off" nil)
962 (const :tag "Header" head)
963 (const :tag "Last" last)
964 (integer :tag "Less")
965 (repeat :tag "Groups" regexp)
966 (sexp :tag "Predicate")))
968 (defvar gnus-article-treat-head-custom
969 '(choice (const :tag "Off" nil)
970 (const :tag "Header" head)))
972 (defvar gnus-article-treat-types '("text/plain")
975 (defvar gnus-inhibit-treatment nil
976 "Whether to inhibit treatment.")
978 (defcustom gnus-treat-highlight-signature '(or t (typep "text/x-vcard"))
979 "Highlight the signature.
980 Valid values are nil, t, `head', `last', an integer or a predicate.
981 See Info node `(gnus)Customizing Articles'."
982 :group 'gnus-article-treat
983 :link '(custom-manual "(gnus)Customizing Articles")
984 :type gnus-article-treat-custom)
985 (put 'gnus-treat-highlight-signature 'highlight t)
987 (defcustom gnus-treat-buttonize 100000
989 Valid values are nil, t, `head', `last', an integer or a predicate.
990 See Info node `(gnus)Customizing Articles'."
991 :group 'gnus-article-treat
992 :link '(custom-manual "(gnus)Customizing Articles")
993 :type gnus-article-treat-custom)
994 (put 'gnus-treat-buttonize 'highlight t)
996 (defcustom gnus-treat-buttonize-head 'head
997 "Add buttons to the head.
998 Valid values are nil, t, `head', `last', an integer or a predicate.
999 See Info node `(gnus)Customizing Articles' for details."
1000 :group 'gnus-article-treat
1001 :link '(custom-manual "(gnus)Customizing Articles")
1002 :type gnus-article-treat-head-custom)
1003 (put 'gnus-treat-buttonize-head 'highlight t)
1005 (defcustom gnus-treat-emphasize
1006 (and (or window-system
1010 Valid values are nil, t, `head', `last', an integer or a predicate.
1011 See Info node `(gnus)Customizing Articles' for details."
1012 :group 'gnus-article-treat
1013 :link '(custom-manual "(gnus)Customizing Articles")
1014 :type gnus-article-treat-custom)
1015 (put 'gnus-treat-emphasize 'highlight t)
1017 (defcustom gnus-treat-strip-cr nil
1018 "Remove carriage returns.
1019 Valid values are nil, t, `head', `last', an integer or a predicate.
1020 See Info node `(gnus)Customizing Articles' for details."
1022 :group 'gnus-article-treat
1023 :link '(custom-manual "(gnus)Customizing Articles")
1024 :type gnus-article-treat-custom)
1026 (defcustom gnus-treat-unsplit-urls nil
1027 "Remove newlines from within URLs.
1028 Valid values are nil, t, `head', `last', an integer or a predicate.
1029 See Info node `(gnus)Customizing Articles' for details."
1031 :group 'gnus-article-treat
1032 :link '(custom-manual "(gnus)Customizing Articles")
1033 :type gnus-article-treat-custom)
1035 (defcustom gnus-treat-leading-whitespace nil
1036 "Remove leading whitespace in headers.
1037 Valid values are nil, t, `head', `last', an integer or a predicate.
1038 See Info node `(gnus)Customizing Articles' for details."
1040 :group 'gnus-article-treat
1041 :link '(custom-manual "(gnus)Customizing Articles")
1042 :type gnus-article-treat-custom)
1044 (defcustom gnus-treat-hide-headers 'head
1046 Valid values are nil, t, `head', `last', an integer or a predicate.
1047 See Info node `(gnus)Customizing Articles' for details."
1048 :group 'gnus-article-treat
1049 :link '(custom-manual "(gnus)Customizing Articles")
1050 :type gnus-article-treat-head-custom)
1052 (defcustom gnus-treat-hide-boring-headers nil
1053 "Hide boring headers.
1054 Valid values are nil, t, `head', `last', an integer or a predicate.
1055 See Info node `(gnus)Customizing Articles' for details."
1056 :group 'gnus-article-treat
1057 :link '(custom-manual "(gnus)Customizing Articles")
1058 :type gnus-article-treat-head-custom)
1060 (defcustom gnus-treat-hide-signature nil
1061 "Hide the signature.
1062 Valid values are nil, t, `head', `last', an integer or a predicate.
1063 See Info node `(gnus)Customizing Articles' for details."
1064 :group 'gnus-article-treat
1065 :link '(custom-manual "(gnus)Customizing Articles")
1066 :type gnus-article-treat-custom)
1068 (defcustom gnus-treat-fill-article nil
1070 Valid values are nil, t, `head', `last', an integer or a predicate.
1071 See Info node `(gnus)Customizing Articles' for details."
1072 :group 'gnus-article-treat
1073 :link '(custom-manual "(gnus)Customizing Articles")
1074 :type gnus-article-treat-custom)
1076 (defcustom gnus-treat-hide-citation nil
1078 Valid values are nil, t, `head', `last', an integer or a predicate.
1079 See Info node `(gnus)Customizing Articles' for details."
1080 :group 'gnus-article-treat
1081 :link '(custom-manual "(gnus)Customizing Articles")
1082 :type gnus-article-treat-custom)
1084 (defcustom gnus-treat-hide-citation-maybe nil
1086 Valid values are nil, t, `head', `last', an integer or a predicate.
1087 See Info node `(gnus)Customizing Articles' for details."
1088 :group 'gnus-article-treat
1089 :link '(custom-manual "(gnus)Customizing Articles")
1090 :type gnus-article-treat-custom)
1092 (defcustom gnus-treat-strip-list-identifiers 'head
1093 "Strip list identifiers from `gnus-list-identifiers`.
1094 Valid values are nil, t, `head', `last', an integer or a predicate.
1095 See Info node `(gnus)Customizing Articles' for details."
1097 :group 'gnus-article-treat
1098 :link '(custom-manual "(gnus)Customizing Articles")
1099 :type gnus-article-treat-custom)
1101 (make-obsolete-variable 'gnus-treat-strip-pgp
1102 "This option is obsolete in Gnus 5.10.")
1104 (defcustom gnus-treat-strip-pem nil
1105 "Strip PEM signatures.
1106 Valid values are nil, t, `head', `last', an integer or a predicate.
1107 See Info node `(gnus)Customizing Articles' for details."
1108 :group 'gnus-article-treat
1109 :link '(custom-manual "(gnus)Customizing Articles")
1110 :type gnus-article-treat-custom)
1112 (defcustom gnus-treat-strip-banner t
1113 "Strip banners from articles.
1114 The banner to be stripped is specified in the `banner' group parameter.
1115 Valid values are nil, t, `head', `last', an integer or a predicate.
1116 See Info node `(gnus)Customizing Articles' for details."
1117 :group 'gnus-article-treat
1118 :link '(custom-manual "(gnus)Customizing Articles")
1119 :type gnus-article-treat-custom)
1121 (defcustom gnus-treat-highlight-headers 'head
1122 "Highlight the headers.
1123 Valid values are nil, t, `head', `last', an integer or a predicate.
1124 See Info node `(gnus)Customizing Articles' for details."
1125 :group 'gnus-article-treat
1126 :link '(custom-manual "(gnus)Customizing Articles")
1127 :type gnus-article-treat-head-custom)
1128 (put 'gnus-treat-highlight-headers 'highlight t)
1130 (defcustom gnus-treat-highlight-citation t
1131 "Highlight cited text.
1132 Valid values are nil, t, `head', `last', an integer or a predicate.
1133 See Info node `(gnus)Customizing Articles' for details."
1134 :group 'gnus-article-treat
1135 :link '(custom-manual "(gnus)Customizing Articles")
1136 :type gnus-article-treat-custom)
1137 (put 'gnus-treat-highlight-citation 'highlight t)
1139 (defcustom gnus-treat-date-ut nil
1140 "Display the Date in UT (GMT).
1141 Valid values are nil, t, `head', `last', an integer or a predicate.
1142 See Info node `(gnus)Customizing Articles' for details."
1143 :group 'gnus-article-treat
1144 :link '(custom-manual "(gnus)Customizing Articles")
1145 :type gnus-article-treat-head-custom)
1147 (defcustom gnus-treat-date-local nil
1148 "Display the Date in the local timezone.
1149 Valid values are nil, t, `head', `last', an integer or a predicate.
1150 See Info node `(gnus)Customizing Articles' for details."
1151 :group 'gnus-article-treat
1152 :link '(custom-manual "(gnus)Customizing Articles")
1153 :type gnus-article-treat-head-custom)
1155 (defcustom gnus-treat-date-english nil
1156 "Display the Date in a format that can be read aloud in English.
1157 Valid values are nil, t, `head', `last', an integer or a predicate.
1158 See Info node `(gnus)Customizing Articles' for details."
1160 :group 'gnus-article-treat
1161 :link '(custom-manual "(gnus)Customizing Articles")
1162 :type gnus-article-treat-head-custom)
1164 (defcustom gnus-treat-date-lapsed nil
1165 "Display the Date header in a way that says how much time has elapsed.
1166 Valid values are nil, t, `head', `last', an integer or a predicate.
1167 See Info node `(gnus)Customizing Articles' for details."
1168 :group 'gnus-article-treat
1169 :link '(custom-manual "(gnus)Customizing Articles")
1170 :type gnus-article-treat-head-custom)
1172 (defcustom gnus-treat-date-original nil
1173 "Display the date in the original timezone.
1174 Valid values are nil, t, `head', `last', an integer or a predicate.
1175 See Info node `(gnus)Customizing Articles' for details."
1176 :group 'gnus-article-treat
1177 :link '(custom-manual "(gnus)Customizing Articles")
1178 :type gnus-article-treat-head-custom)
1180 (defcustom gnus-treat-date-iso8601 nil
1181 "Display the date in the ISO8601 format.
1182 Valid values are nil, t, `head', `last', an integer or a predicate.
1183 See Info node `(gnus)Customizing Articles' for details."
1185 :group 'gnus-article-treat
1186 :link '(custom-manual "(gnus)Customizing Articles")
1187 :type gnus-article-treat-head-custom)
1189 (defcustom gnus-treat-date-user-defined nil
1190 "Display the date in a user-defined format.
1191 The format is defined by the `gnus-article-time-format' variable.
1192 Valid values are nil, t, `head', `last', an integer or a predicate.
1193 See Info node `(gnus)Customizing Articles' for details."
1194 :group 'gnus-article-treat
1195 :link '(custom-manual "(gnus)Customizing Articles")
1196 :type gnus-article-treat-head-custom)
1198 (defcustom gnus-treat-strip-headers-in-body t
1199 "Strip the X-No-Archive header line from the beginning of the body.
1200 Valid values are nil, t, `head', `last', an integer or a predicate.
1201 See Info node `(gnus)Customizing Articles' for details."
1203 :group 'gnus-article-treat
1204 :link '(custom-manual "(gnus)Customizing Articles")
1205 :type gnus-article-treat-custom)
1207 (defcustom gnus-treat-strip-trailing-blank-lines nil
1208 "Strip trailing blank lines.
1209 Valid values are nil, t, `head', `last', an integer or a predicate.
1210 See Info node `(gnus)Customizing Articles' for details."
1211 :group 'gnus-article-treat
1212 :link '(custom-manual "(gnus)Customizing Articles")
1213 :type gnus-article-treat-custom)
1215 (defcustom gnus-treat-strip-leading-blank-lines nil
1216 "Strip leading blank lines.
1217 Valid values are nil, t, `head', `last', an integer or a predicate.
1218 See Info node `(gnus)Customizing Articles' for details."
1219 :group 'gnus-article-treat
1220 :link '(custom-manual "(gnus)Customizing Articles")
1221 :type gnus-article-treat-custom)
1223 (defcustom gnus-treat-strip-multiple-blank-lines nil
1224 "Strip multiple blank lines.
1225 Valid values are nil, t, `head', `last', an integer or a predicate.
1226 See Info node `(gnus)Customizing Articles' for details."
1227 :group 'gnus-article-treat
1228 :link '(custom-manual "(gnus)Customizing Articles")
1229 :type gnus-article-treat-custom)
1231 (defcustom gnus-treat-unfold-headers 'head
1232 "Unfold folded header lines.
1233 Valid values are nil, t, `head', `last', an integer or a predicate.
1234 See Info node `(gnus)Customizing Articles' for details."
1236 :group 'gnus-article-treat
1237 :link '(custom-manual "(gnus)Customizing Articles")
1238 :type gnus-article-treat-custom)
1240 (defcustom gnus-treat-fold-headers nil
1242 Valid values are nil, t, `head', `last', an integer or a predicate.
1243 See Info node `(gnus)Customizing Articles' for details."
1245 :group 'gnus-article-treat
1246 :link '(custom-manual "(gnus)Customizing Articles")
1247 :type gnus-article-treat-custom)
1249 (defcustom gnus-treat-fold-newsgroups 'head
1250 "Fold the Newsgroups and Followup-To headers.
1251 Valid values are nil, t, `head', `last', an integer or a predicate.
1252 See Info node `(gnus)Customizing Articles' for details."
1254 :group 'gnus-article-treat
1255 :link '(custom-manual "(gnus)Customizing Articles")
1256 :type gnus-article-treat-custom)
1258 (defcustom gnus-treat-overstrike t
1259 "Treat overstrike highlighting.
1260 Valid values are nil, t, `head', `last', an integer or a predicate.
1261 See Info node `(gnus)Customizing Articles' for details."
1262 :group 'gnus-article-treat
1263 :link '(custom-manual "(gnus)Customizing Articles")
1264 :type gnus-article-treat-custom)
1265 (put 'gnus-treat-overstrike 'highlight t)
1267 (defcustom gnus-treat-ansi-sequences (if (locate-library "ansi-color") t)
1268 "Treat ANSI SGR control sequences.
1269 Valid values are nil, t, `head', `last', an integer or a predicate.
1270 See Info node `(gnus)Customizing Articles' for details."
1271 :group 'gnus-article-treat
1272 :link '(custom-manual "(gnus)Customizing Articles")
1273 :type gnus-article-treat-custom)
1275 (make-obsolete-variable 'gnus-treat-display-xface
1276 'gnus-treat-display-x-face)
1278 (defcustom gnus-treat-display-x-face
1279 (and (not noninteractive)
1280 (or (and (fboundp 'image-type-available-p)
1281 (image-type-available-p 'xbm)
1282 (string-match "^0x" (shell-command-to-string "uncompface"))
1283 (executable-find "icontopbm"))
1284 (and (featurep 'xemacs)
1287 "Display X-Face headers.
1288 Valid values are nil, t, `head', `last', an integer or a predicate.
1289 See Info node `(gnus)Customizing Articles' and Info node
1290 `(gnus)X-Face' for details."
1291 :group 'gnus-article-treat
1293 :link '(custom-manual "(gnus)Customizing Articles")
1294 :link '(custom-manual "(gnus)X-Face")
1295 :type gnus-article-treat-head-custom
1296 :set (lambda (symbol value)
1299 (cond ((or (boundp symbol) (get symbol 'saved-value))
1301 ((boundp 'gnus-treat-display-xface)
1303 ** gnus-treat-display-xface is an obsolete variable;\
1304 use gnus-treat-display-x-face instead")
1305 (default-value 'gnus-treat-display-xface))
1306 ((get 'gnus-treat-display-xface 'saved-value)
1308 ** gnus-treat-display-xface is an obsolete variable;\
1309 use gnus-treat-display-x-face instead")
1310 (eval (car (get 'gnus-treat-display-xface 'saved-value))))
1313 (put 'gnus-treat-display-x-face 'highlight t)
1315 (defcustom gnus-treat-display-face
1316 (and (not noninteractive)
1317 (or (and (fboundp 'image-type-available-p)
1318 (image-type-available-p 'png))
1319 (and (featurep 'xemacs)
1322 "Display Face headers.
1323 Valid values are nil, t, `head', `last', an integer or a predicate.
1324 See Info node `(gnus)Customizing Articles' and Info node
1325 `(gnus)X-Face' for details."
1326 :group 'gnus-article-treat
1328 :link '(custom-manual "(gnus)Customizing Articles")
1329 :link '(custom-manual "(gnus)X-Face")
1330 :type gnus-article-treat-head-custom)
1331 (put 'gnus-treat-display-face 'highlight t)
1333 (defcustom gnus-treat-display-smileys
1334 (if (or (and (featurep 'xemacs)
1336 (and (fboundp 'image-type-available-p)
1337 (image-type-available-p 'pbm)))
1340 Valid values are nil, t, `head', `last', an integer or a predicate.
1341 See Info node `(gnus)Customizing Articles' and Info node
1342 `(gnus)Smileys' for details."
1343 :group 'gnus-article-treat
1345 :link '(custom-manual "(gnus)Customizing Articles")
1346 :link '(custom-manual "(gnus)Smileys")
1347 :type gnus-article-treat-custom)
1348 (put 'gnus-treat-display-smileys 'highlight t)
1350 (defcustom gnus-treat-from-picon
1351 (if (and (gnus-image-type-available-p 'xpm)
1352 (gnus-picons-installed-p))
1354 "Display picons in the From header.
1355 Valid values are nil, t, `head', `last', an integer or a predicate.
1356 See Info node `(gnus)Customizing Articles' and Info node
1357 `(gnus)Picons' for details."
1359 :group 'gnus-article-treat
1361 :link '(custom-manual "(gnus)Customizing Articles")
1362 :link '(custom-manual "(gnus)Picons")
1363 :type gnus-article-treat-head-custom)
1364 (put 'gnus-treat-from-picon 'highlight t)
1366 (defcustom gnus-treat-mail-picon
1367 (if (and (gnus-image-type-available-p 'xpm)
1368 (gnus-picons-installed-p))
1370 "Display picons in To and Cc headers.
1371 Valid values are nil, t, `head', `last', an integer or a predicate.
1372 See Info node `(gnus)Customizing Articles' and Info node
1373 `(gnus)Picons' for details."
1375 :group 'gnus-article-treat
1377 :link '(custom-manual "(gnus)Customizing Articles")
1378 :link '(custom-manual "(gnus)Picons")
1379 :type gnus-article-treat-head-custom)
1380 (put 'gnus-treat-mail-picon 'highlight t)
1382 (defcustom gnus-treat-newsgroups-picon
1383 (if (and (gnus-image-type-available-p 'xpm)
1384 (gnus-picons-installed-p))
1386 "Display picons in the Newsgroups and Followup-To headers.
1387 Valid values are nil, t, `head', `last', an integer or a predicate.
1388 See Info node `(gnus)Customizing Articles' and Info node
1389 `(gnus)Picons' for details."
1391 :group 'gnus-article-treat
1393 :link '(custom-manual "(gnus)Customizing Articles")
1394 :link '(custom-manual "(gnus)Picons")
1395 :type gnus-article-treat-head-custom)
1396 (put 'gnus-treat-newsgroups-picon 'highlight t)
1398 (defcustom gnus-treat-body-boundary
1399 (if (and (eq window-system 'x)
1400 (or gnus-treat-newsgroups-picon
1401 gnus-treat-mail-picon
1402 gnus-treat-from-picon))
1404 "Draw a boundary at the end of the headers.
1405 Valid values are nil and `head'.
1406 See Info node `(gnus)Customizing Articles' for details."
1408 :group 'gnus-article-treat
1409 :link '(custom-manual "(gnus)Customizing Articles")
1410 :type gnus-article-treat-head-custom)
1412 (defcustom gnus-treat-capitalize-sentences nil
1413 "Capitalize sentence-starting words.
1414 Valid values are nil, t, `head', `last', an integer or a predicate.
1415 See Info node `(gnus)Customizing Articles' for details."
1417 :group 'gnus-article-treat
1418 :link '(custom-manual "(gnus)Customizing Articles")
1419 :type gnus-article-treat-custom)
1421 (defcustom gnus-treat-wash-html nil
1423 Valid values are nil, t, `head', `last', an integer or a predicate.
1424 See Info node `(gnus)Customizing Articles' for details."
1426 :group 'gnus-article-treat
1427 :link '(custom-manual "(gnus)Customizing Articles")
1428 :type gnus-article-treat-custom)
1430 (defcustom gnus-treat-fill-long-lines nil
1432 Valid values are nil, t, `head', `last', an integer or a predicate.
1433 See Info node `(gnus)Customizing Articles' for details."
1434 :group 'gnus-article-treat
1435 :link '(custom-manual "(gnus)Customizing Articles")
1436 :type gnus-article-treat-custom)
1438 (defcustom gnus-treat-play-sounds nil
1440 Valid values are nil, t, `head', `last', an integer or a predicate.
1441 See Info node `(gnus)Customizing Articles' for details."
1443 :group 'gnus-article-treat
1444 :link '(custom-manual "(gnus)Customizing Articles")
1445 :type gnus-article-treat-custom)
1447 (defcustom gnus-treat-translate nil
1448 "Translate articles from one language to another.
1449 Valid values are nil, t, `head', `last', an integer or a predicate.
1450 See Info node `(gnus)Customizing Articles' for details."
1452 :group 'gnus-article-treat
1453 :link '(custom-manual "(gnus)Customizing Articles")
1454 :type gnus-article-treat-custom)
1456 (defcustom gnus-treat-x-pgp-sig nil
1458 To automatically treat X-PGP-Sig, set it to head.
1459 Valid values are nil, t, `head', `last', an integer or a predicate.
1460 See Info node `(gnus)Customizing Articles' for details."
1462 :group 'gnus-article-treat
1463 :group 'mime-security
1464 :link '(custom-manual "(gnus)Customizing Articles")
1465 :type gnus-article-treat-custom)
1467 (defvar gnus-article-encrypt-protocol-alist
1468 '(("PGP" . mml2015-self-encrypt)))
1470 ;; Set to nil if more than one protocol added to
1471 ;; gnus-article-encrypt-protocol-alist.
1472 (defcustom gnus-article-encrypt-protocol "PGP"
1473 "The protocol used for encrypt articles.
1474 It is a string, such as \"PGP\". If nil, ask user."
1477 :group 'mime-security)
1479 (defvar gnus-article-wash-function nil
1480 "Function used for converting HTML into text.")
1482 (defcustom gnus-use-idna (and (condition-case nil (require 'idna) (file-error))
1483 (mm-coding-system-p 'utf-8)
1484 (executable-find idna-program))
1485 "Whether IDNA decoding of headers is used when viewing messages.
1486 This requires GNU Libidn, and by default only enabled if it is found."
1488 :group 'gnus-article-headers
1491 (defcustom gnus-article-over-scroll nil
1492 "If non-nil, allow scrolling the article buffer even when there no more text."
1494 :group 'gnus-article
1497 ;;; Internal variables
1499 (defvar gnus-english-month-names
1500 '("January" "February" "March" "April" "May" "June" "July" "August"
1501 "September" "October" "November" "December"))
1503 (defvar gnus-button-regexp nil)
1504 (defvar gnus-button-marker-list nil)
1505 ;; Regexp matching any of the regexps from `gnus-button-alist'.
1507 (defvar gnus-button-last nil)
1508 ;; The value of `gnus-button-alist' when `gnus-button-regexp' was build.
1510 (defvar article-goto-body-goes-to-point-min-p nil)
1511 (defvar gnus-article-wash-types nil)
1512 (defvar gnus-article-emphasis-alist nil)
1513 (defvar gnus-article-image-alist nil)
1515 (defvar gnus-article-mime-handle-alist-1 nil)
1516 (defvar gnus-treatment-function-alist
1517 '((gnus-treat-x-pgp-sig gnus-article-verify-x-pgp-sig)
1518 (gnus-treat-strip-banner gnus-article-strip-banner)
1519 (gnus-treat-strip-headers-in-body gnus-article-strip-headers-in-body)
1520 (gnus-treat-highlight-signature gnus-article-highlight-signature)
1521 (gnus-treat-buttonize gnus-article-add-buttons)
1522 (gnus-treat-fill-article gnus-article-fill-cited-article)
1523 (gnus-treat-fill-long-lines gnus-article-fill-long-lines)
1524 (gnus-treat-strip-cr gnus-article-remove-cr)
1525 (gnus-treat-unsplit-urls gnus-article-unsplit-urls)
1526 (gnus-treat-date-ut gnus-article-date-ut)
1527 (gnus-treat-date-local gnus-article-date-local)
1528 (gnus-treat-date-english gnus-article-date-english)
1529 (gnus-treat-date-original gnus-article-date-original)
1530 (gnus-treat-date-user-defined gnus-article-date-user)
1531 (gnus-treat-date-iso8601 gnus-article-date-iso8601)
1532 (gnus-treat-date-lapsed gnus-article-date-lapsed)
1533 (gnus-treat-display-x-face gnus-article-display-x-face)
1534 (gnus-treat-display-face gnus-article-display-face)
1535 (gnus-treat-hide-headers gnus-article-maybe-hide-headers)
1536 (gnus-treat-hide-boring-headers gnus-article-hide-boring-headers)
1537 (gnus-treat-hide-signature gnus-article-hide-signature)
1538 (gnus-treat-strip-list-identifiers gnus-article-hide-list-identifiers)
1539 (gnus-treat-leading-whitespace gnus-article-remove-leading-whitespace)
1540 (gnus-treat-strip-pem gnus-article-hide-pem)
1541 (gnus-treat-from-picon gnus-treat-from-picon)
1542 (gnus-treat-mail-picon gnus-treat-mail-picon)
1543 (gnus-treat-newsgroups-picon gnus-treat-newsgroups-picon)
1544 (gnus-treat-highlight-headers gnus-article-highlight-headers)
1545 (gnus-treat-highlight-signature gnus-article-highlight-signature)
1546 (gnus-treat-strip-trailing-blank-lines
1547 gnus-article-remove-trailing-blank-lines)
1548 (gnus-treat-strip-leading-blank-lines
1549 gnus-article-strip-leading-blank-lines)
1550 (gnus-treat-strip-multiple-blank-lines
1551 gnus-article-strip-multiple-blank-lines)
1552 (gnus-treat-overstrike gnus-article-treat-overstrike)
1553 (gnus-treat-ansi-sequences gnus-article-treat-ansi-sequences)
1554 (gnus-treat-unfold-headers gnus-article-treat-unfold-headers)
1555 (gnus-treat-fold-headers gnus-article-treat-fold-headers)
1556 (gnus-treat-fold-newsgroups gnus-article-treat-fold-newsgroups)
1557 (gnus-treat-buttonize-head gnus-article-add-buttons-to-head)
1558 (gnus-treat-display-smileys gnus-treat-smiley)
1559 (gnus-treat-capitalize-sentences gnus-article-capitalize-sentences)
1560 (gnus-treat-wash-html gnus-article-wash-html)
1561 (gnus-treat-emphasize gnus-article-emphasize)
1562 (gnus-treat-hide-citation gnus-article-hide-citation)
1563 (gnus-treat-hide-citation-maybe gnus-article-hide-citation-maybe)
1564 (gnus-treat-highlight-citation gnus-article-highlight-citation)
1565 (gnus-treat-body-boundary gnus-article-treat-body-boundary)
1566 (gnus-treat-play-sounds gnus-earcon-display)))
1568 (defvar gnus-article-mime-handle-alist nil)
1569 (defvar article-lapsed-timer nil)
1570 (defvar gnus-article-current-summary nil)
1572 (defvar gnus-article-mode-syntax-table
1573 (let ((table (copy-syntax-table text-mode-syntax-table)))
1574 ;; This causes the citation match run O(2^n).
1575 ;; (modify-syntax-entry ?- "w" table)
1576 (modify-syntax-entry ?> ")<" table)
1577 (modify-syntax-entry ?< "(>" table)
1578 ;; make M-. in article buffers work for `foo' strings
1579 (modify-syntax-entry ?' " " table)
1580 (modify-syntax-entry ?` " " table)
1582 "Syntax table used in article mode buffers.
1583 Initialized from `text-mode-syntax-table.")
1585 (defvar gnus-save-article-buffer nil)
1587 (defvar gnus-article-mode-line-format-alist
1588 (nconc '((?w (gnus-article-wash-status) ?s)
1589 (?m (gnus-article-mime-part-status) ?s))
1590 gnus-summary-mode-line-format-alist))
1592 (defvar gnus-number-of-articles-to-be-saved nil)
1594 (defvar gnus-inhibit-hiding nil)
1596 (defvar gnus-article-edit-mode nil)
1598 ;;; Macros for dealing with the article buffer.
1600 (defmacro gnus-with-article-headers (&rest forms)
1602 (set-buffer gnus-article-buffer)
1604 (let ((inhibit-read-only t)
1605 (inhibit-point-motion-hooks t)
1606 (case-fold-search t))
1607 (article-narrow-to-head)
1610 (put 'gnus-with-article-headers 'lisp-indent-function 0)
1611 (put 'gnus-with-article-headers 'edebug-form-spec '(body))
1613 (defmacro gnus-with-article-buffer (&rest forms)
1615 (set-buffer gnus-article-buffer)
1616 (let ((inhibit-read-only t))
1619 (put 'gnus-with-article-buffer 'lisp-indent-function 0)
1620 (put 'gnus-with-article-buffer 'edebug-form-spec '(body))
1622 (defun gnus-article-goto-header (header)
1623 "Go to HEADER, which is a regular expression."
1624 (re-search-forward (concat "^\\(" header "\\):") nil t))
1626 (defsubst gnus-article-hide-text (b e props)
1627 "Set text PROPS on the B to E region, extending `intangible' 1 past B."
1628 (gnus-add-text-properties-when 'article-type nil b e props)
1629 (when (memq 'intangible props)
1631 (max (1- b) (point-min))
1632 b 'intangible (cddr (memq 'intangible props)))))
1634 (defsubst gnus-article-unhide-text (b e)
1635 "Remove hidden text properties from region between B and E."
1636 (remove-text-properties b e gnus-hidden-properties)
1637 (when (memq 'intangible gnus-hidden-properties)
1638 (put-text-property (max (1- b) (point-min))
1639 b 'intangible nil)))
1641 (defun gnus-article-hide-text-type (b e type)
1642 "Hide text of TYPE between B and E."
1643 (gnus-add-wash-type type)
1644 (gnus-article-hide-text
1645 b e (cons 'article-type (cons type gnus-hidden-properties))))
1647 (defun gnus-article-unhide-text-type (b e type)
1648 "Unhide text of TYPE between B and E."
1649 (gnus-delete-wash-type type)
1650 (remove-text-properties
1651 b e (cons 'article-type (cons type gnus-hidden-properties)))
1652 (when (memq 'intangible gnus-hidden-properties)
1653 (put-text-property (max (1- b) (point-min))
1654 b 'intangible nil)))
1656 (defun gnus-article-hide-text-of-type (type)
1657 "Hide text of TYPE in the current buffer."
1659 (let ((b (point-min))
1661 (while (setq b (text-property-any b e 'article-type type))
1662 (add-text-properties b (incf b) gnus-hidden-properties)))))
1664 (defun gnus-article-delete-text-of-type (type)
1665 "Delete text of TYPE in the current buffer."
1667 (let ((b (point-min)))
1668 (while (setq b (text-property-any b (point-max) 'article-type type))
1670 b (or (text-property-not-all b (point-max) 'article-type type)
1673 (defun gnus-article-delete-invisible-text ()
1674 "Delete all invisible text in the current buffer."
1676 (let ((b (point-min)))
1677 (while (setq b (text-property-any b (point-max) 'invisible t))
1679 b (or (text-property-not-all b (point-max) 'invisible t)
1682 (defun gnus-article-text-type-exists-p (type)
1683 "Say whether any text of type TYPE exists in the buffer."
1684 (text-property-any (point-min) (point-max) 'article-type type))
1686 (defsubst gnus-article-header-rank ()
1687 "Give the rank of the string HEADER as given by `gnus-sorted-header-list'."
1688 (let ((list gnus-sorted-header-list)
1691 (if (looking-at (car list))
1693 (setq list (cdr list))
1697 (defun article-hide-headers (&optional arg delete)
1698 "Hide unwanted headers and possibly sort them as well."
1700 ;; This function might be inhibited.
1701 (unless gnus-inhibit-hiding
1702 (let ((inhibit-read-only nil)
1703 (case-fold-search t)
1704 (max (1+ (length gnus-sorted-header-list)))
1705 (inhibit-point-motion-hooks t)
1706 (cur (current-buffer))
1707 ignored visible beg)
1709 ;; `gnus-ignored-headers' and `gnus-visible-headers' may be
1710 ;; group parameters, so we should go to the summary buffer.
1713 (progn (set-buffer gnus-summary-buffer) t)
1715 (setq ignored (when (not gnus-visible-headers)
1716 (cond ((stringp gnus-ignored-headers)
1717 gnus-ignored-headers)
1718 ((listp gnus-ignored-headers)
1719 (mapconcat 'identity
1720 gnus-ignored-headers
1722 visible (cond ((stringp gnus-visible-headers)
1723 gnus-visible-headers)
1724 ((and gnus-visible-headers
1725 (listp gnus-visible-headers))
1726 (mapconcat 'identity
1727 gnus-visible-headers
1731 ;; First we narrow to just the headers.
1732 (article-narrow-to-head)
1733 ;; Hide any "From " lines at the beginning of (mail) articles.
1734 (while (looking-at "From ")
1737 (delete-region (point-min) (point)))
1738 ;; Then treat the rest of the header lines.
1739 ;; Then we use the two regular expressions
1740 ;; `gnus-ignored-headers' and `gnus-visible-headers' to
1741 ;; select which header lines is to remain visible in the
1743 (while (re-search-forward "^[^ \t:]*:" nil t)
1745 ;; Mark the rank of the header.
1747 (point) (1+ (point)) 'message-rank
1748 (if (or (and visible (looking-at visible))
1750 (not (looking-at ignored))))
1751 (gnus-article-header-rank)
1754 (message-sort-headers-1)
1755 (when (setq beg (text-property-any
1756 (point-min) (point-max) 'message-rank (+ 2 max)))
1757 ;; We delete the unwanted headers.
1758 (gnus-add-wash-type 'headers)
1759 (add-text-properties (point-min) (+ 5 (point-min))
1760 '(article-type headers dummy-invisible t))
1761 (delete-region beg (point-max))))))))
1763 (defun article-hide-boring-headers (&optional arg)
1764 "Toggle hiding of headers that aren't very interesting.
1765 If given a negative prefix, always show; if given a positive prefix,
1767 (interactive (gnus-article-hidden-arg))
1768 (when (and (not (gnus-article-check-hidden-text 'boring-headers arg))
1769 (not gnus-show-all-headers))
1772 (let ((inhibit-read-only t)
1773 (inhibit-point-motion-hooks t))
1774 (article-narrow-to-head)
1775 (dolist (elem gnus-boring-article-headers)
1776 (goto-char (point-min))
1778 ;; Hide empty headers.
1780 (while (re-search-forward "^[^: \t]+:[ \t]*\n[^ \t]" nil t)
1782 (gnus-article-hide-text-type
1786 (if (re-search-forward "^[^ \t]" nil t)
1790 ;; Hide boring Newsgroups header.
1791 ((eq elem 'newsgroups)
1792 (when (gnus-string-equal
1793 (gnus-fetch-field "newsgroups")
1794 (gnus-group-real-name
1795 (if (boundp 'gnus-newsgroup-name)
1798 (gnus-article-hide-header "newsgroups")))
1799 ((eq elem 'to-address)
1800 (let ((to (message-fetch-field "to"))
1802 (gnus-parameter-to-address
1803 (if (boundp 'gnus-newsgroup-name)
1804 gnus-newsgroup-name ""))))
1805 (when (and to to-address
1808 ;; only one address in To
1809 (nth 1 (mail-extract-address-components to))
1811 (gnus-article-hide-header "to"))))
1813 (let ((to (message-fetch-field "to"))
1815 (gnus-parameter-to-list
1816 (if (boundp 'gnus-newsgroup-name)
1817 gnus-newsgroup-name ""))))
1818 (when (and to to-list
1821 ;; only one address in To
1822 (nth 1 (mail-extract-address-components to))
1824 (gnus-article-hide-header "to"))))
1826 (let ((cc (message-fetch-field "cc"))
1828 (gnus-parameter-to-list
1829 (if (boundp 'gnus-newsgroup-name)
1830 gnus-newsgroup-name ""))))
1831 (when (and cc to-list
1834 ;; only one address in CC
1835 (nth 1 (mail-extract-address-components cc))
1837 (gnus-article-hide-header "cc"))))
1838 ((eq elem 'followup-to)
1839 (when (gnus-string-equal
1840 (message-fetch-field "followup-to")
1841 (message-fetch-field "newsgroups"))
1842 (gnus-article-hide-header "followup-to")))
1843 ((eq elem 'reply-to)
1844 (if (gnus-group-find-parameter
1845 gnus-newsgroup-name 'broken-reply-to)
1846 (gnus-article-hide-header "reply-to")
1847 (let ((from (message-fetch-field "from"))
1848 (reply-to (message-fetch-field "reply-to")))
1855 (lambda (x) (downcase (cadr x)))
1856 (mail-extract-address-components from t))
1859 (lambda (x) (downcase (cadr x)))
1860 (mail-extract-address-components reply-to t))
1862 (gnus-article-hide-header "reply-to")))))
1864 (let ((date (message-fetch-field "date")))
1866 (< (days-between (current-time-string) date)
1868 (gnus-article-hide-header "date"))))
1870 (let ((to (message-fetch-field "to"))
1871 (cc (message-fetch-field "cc")))
1872 (when (> (length to) 1024)
1873 (gnus-article-hide-header "to"))
1874 (when (> (length cc) 1024)
1875 (gnus-article-hide-header "cc"))))
1879 (goto-char (point-min))
1880 (while (re-search-forward "^to:" nil t)
1881 (setq to-count (1+ to-count)))
1882 (when (> to-count 1)
1883 (while (> to-count 0)
1884 (goto-char (point-min))
1886 (re-search-forward "^to:" nil nil to-count)
1888 (narrow-to-region (point) (point-max))
1889 (gnus-article-hide-header "to"))
1890 (setq to-count (1- to-count))))
1891 (goto-char (point-min))
1892 (while (re-search-forward "^cc:" nil t)
1893 (setq cc-count (1+ cc-count)))
1894 (when (> cc-count 1)
1895 (while (> cc-count 0)
1896 (goto-char (point-min))
1898 (re-search-forward "^cc:" nil nil cc-count)
1900 (narrow-to-region (point) (point-max))
1901 (gnus-article-hide-header "cc"))
1902 (setq cc-count (1- cc-count)))))))))))))
1904 (defun gnus-article-hide-header (header)
1906 (goto-char (point-min))
1907 (when (re-search-forward (concat "^" header ":") nil t)
1908 (gnus-article-hide-text-type
1912 (if (re-search-forward "^[^ \t]" nil t)
1917 (defvar gnus-article-normalized-header-length 40
1918 "Length of normalized headers.")
1920 (defun article-normalize-headers ()
1921 "Make all header lines 40 characters long."
1923 (let ((inhibit-read-only t)
1927 (article-narrow-to-head)
1930 ((< (setq column (- (point-at-eol) (point)))
1931 gnus-article-normalized-header-length)
1933 (insert (make-string
1934 (- gnus-article-normalized-header-length column)
1936 ((> column gnus-article-normalized-header-length)
1937 (gnus-put-text-property
1939 (forward-char gnus-article-normalized-header-length)
1946 (forward-line 1))))))
1948 (defun article-treat-dumbquotes ()
1949 "Translate M****s*** sm*rtq**t*s and other symbols into proper text.
1950 Note that this function guesses whether a character is a sm*rtq**t* or
1951 not, so it should only be used interactively.
1953 Sm*rtq**t*s are M****s***'s unilateral extension to the
1954 iso-8859-1 character map in an attempt to provide more quoting
1955 characters. If you see something like \\222 or \\264 where
1956 you're expecting some kind of apostrophe or quotation mark, then
1959 (article-translate-strings gnus-article-dumbquotes-map))
1961 (defun article-translate-characters (from to)
1962 "Translate all characters in the body of the article according to FROM and TO.
1963 FROM is a string of characters to translate from; to is a string of
1964 characters to translate to."
1966 (when (article-goto-body)
1967 (let ((inhibit-read-only t)
1968 (x (make-string 225 ?x))
1970 (while (< (incf i) (length x))
1973 (while (< i (length from))
1974 (aset x (aref from i) (aref to i))
1976 (translate-region (point) (point-max) x)))))
1978 (defun article-translate-strings (map)
1979 "Translate all string in the body of the article according to MAP.
1980 MAP is an alist where the elements are on the form (\"from\" \"to\")."
1982 (when (article-goto-body)
1983 (let ((inhibit-read-only t))
1986 (while (search-forward (car elem) nil t)
1987 (replace-match (cadr elem)))))))))
1989 (defun article-treat-overstrike ()
1990 "Translate overstrikes into bold text."
1993 (when (article-goto-body)
1994 (let ((inhibit-read-only t))
1995 (while (search-forward "\b" nil t)
1996 (let ((next (char-after))
1997 (previous (char-after (- (point) 2))))
1998 ;; We do the boldification/underlining by hiding the
1999 ;; overstrikes and putting the proper text property
2003 (gnus-article-hide-text-type (- (point) 2) (point) 'overstrike)
2004 (put-text-property (point) (1+ (point)) 'face 'bold))
2006 (gnus-article-hide-text-type
2007 (1- (point)) (1+ (point)) 'overstrike)
2009 (- (point) 2) (1- (point)) 'face 'underline))
2011 (gnus-article-hide-text-type (- (point) 2) (point) 'overstrike)
2013 (point) (1+ (point)) 'face 'underline)))))))))
2015 (defun article-treat-ansi-sequences ()
2016 "Translate ANSI SGR control sequences into overlays or extents."
2019 (when (article-goto-body)
2020 (let ((inhibit-read-only t))
2021 (ansi-color-apply-on-region (point) (point-max))))))
2023 (defun gnus-article-treat-unfold-headers ()
2024 "Unfold folded message headers.
2025 Only the headers that fit into the current window width will be
2028 (gnus-with-article-headers
2032 (mail-header-narrow-to-field)
2033 (let ((header (buffer-string)))
2036 (goto-char (point-min))
2037 (while (re-search-forward "\n[\t ]" nil t)
2038 (replace-match " " t t)))
2039 (setq length (- (point-max) (point-min) 1)))
2040 (when (< length (window-width))
2041 (while (re-search-forward "\n[\t ]" nil t)
2042 (replace-match " " t t)))
2043 (goto-char (point-max)))))))
2045 (defun gnus-article-treat-fold-headers ()
2046 "Fold message headers."
2048 (gnus-with-article-headers
2051 (mail-header-narrow-to-field)
2052 (mail-header-fold-field)
2053 (goto-char (point-max))))))
2055 (defun gnus-treat-smiley ()
2056 "Toggle display of textual emoticons (\"smileys\") as small graphical icons."
2058 (gnus-with-article-buffer
2059 (if (memq 'smiley gnus-article-wash-types)
2060 (gnus-delete-images 'smiley)
2062 (let ((images (smiley-region (point) (point-max))))
2064 (gnus-add-wash-type 'smiley)
2065 (dolist (image images)
2066 (gnus-add-image 'smiley image)))))))
2068 (defun gnus-article-remove-images ()
2069 "Remove all images from the article buffer."
2071 (gnus-with-article-buffer
2072 (dolist (elem gnus-article-image-alist)
2073 (gnus-delete-images (car elem)))))
2075 (defun gnus-article-treat-fold-newsgroups ()
2076 "Unfold folded message headers.
2077 Only the headers that fit into the current window width will be
2080 (gnus-with-article-headers
2081 (while (gnus-article-goto-header "newsgroups\\|followup-to")
2083 (mail-header-narrow-to-field)
2084 (while (re-search-forward ", *" nil t)
2085 (replace-match ", " t t))
2086 (mail-header-fold-field)
2087 (goto-char (point-max))))))
2089 (defun gnus-article-treat-body-boundary ()
2090 "Place a boundary line at the end of the headers."
2092 (when (and gnus-body-boundary-delimiter
2093 (> (length gnus-body-boundary-delimiter) 0))
2094 (gnus-with-article-headers
2095 (goto-char (point-max))
2096 (let ((start (point)))
2097 (insert "X-Boundary: ")
2098 (gnus-add-text-properties start (point) '(invisible t intangible t))
2100 (while (>= (1- (window-width)) (length str))
2101 (setq str (concat str gnus-body-boundary-delimiter)))
2102 (substring str 0 (1- (window-width))))
2104 (gnus-put-text-property start (point) 'gnus-decoration 'header)))))
2106 (defun article-fill-long-lines ()
2107 "Fill lines that are wider than the window width."
2110 (let ((inhibit-read-only t)
2111 (width (window-width (get-buffer-window (current-buffer)))))
2114 (let ((adaptive-fill-mode nil)) ;Why? -sm
2117 (when (>= (current-column) (min fill-column width))
2118 (narrow-to-region (min (1+ (point)) (point-max))
2120 (let ((goback (point-marker)))
2121 (fill-paragraph nil)
2122 (goto-char (marker-position goback)))
2124 (forward-line 1)))))))
2126 (defun article-capitalize-sentences ()
2127 "Capitalize the first word in each sentence."
2130 (let ((inhibit-read-only t)
2131 (paragraph-start "^[\n\^L]"))
2135 (forward-sentence)))))
2137 (defun article-remove-cr ()
2138 "Remove trailing CRs and then translate remaining CRs into LFs."
2141 (let ((inhibit-read-only t))
2142 (goto-char (point-min))
2143 (while (re-search-forward "\r+$" nil t)
2144 (replace-match "" t t))
2145 (goto-char (point-min))
2146 (while (search-forward "\r" nil t)
2147 (replace-match "\n" t t)))))
2149 (defun article-remove-trailing-blank-lines ()
2150 "Remove all trailing blank lines from the article."
2153 (let ((inhibit-read-only t))
2154 (goto-char (point-max))
2158 (while (and (not (bobp))
2159 (looking-at "^[ \t]*$")
2160 (not (gnus-annotation-in-region-p
2161 (point) (point-at-eol))))
2167 (defvar gnus-face-properties-alist))
2169 (defun article-display-face ()
2170 "Display any Face headers in the header."
2172 (let ((wash-face-p buffer-read-only))
2173 (gnus-with-article-headers
2174 ;; When displaying parts, this function can be called several times on
2175 ;; the same article, without any intended toggle semantic (as typing `W
2176 ;; D d' would have). So face deletion must occur only when we come from
2177 ;; an interactive command, that is when the *Article* buffer is
2179 (if (and wash-face-p (memq 'face gnus-article-wash-types))
2180 (gnus-delete-images 'face)
2181 (let (face faces from)
2182 (save-current-buffer
2183 (when (and wash-face-p
2184 (gnus-buffer-live-p gnus-original-article-buffer)
2185 (not (re-search-forward "^Face:[\t ]*" nil t)))
2186 (set-buffer gnus-original-article-buffer))
2188 (mail-narrow-to-head)
2189 (while (gnus-article-goto-header "Face")
2190 (push (mail-header-field-value) faces))))
2192 (goto-char (point-min))
2193 (let ((from (gnus-article-goto-header "from"))
2198 (insert "[no `from' set]\n"))
2200 (when (setq png (gnus-convert-face-to-png (pop faces)))
2202 (apply 'gnus-create-image png 'png t
2203 (cdr (assq 'png gnus-face-properties-alist))))
2205 (gnus-add-wash-type 'face)
2206 (gnus-add-image 'face image)
2207 (gnus-put-image image nil 'face))))))))))
2209 (defun article-display-x-face (&optional force)
2210 "Look for an X-Face header and display it if present."
2211 (interactive (list 'force))
2212 (let ((wash-face-p buffer-read-only)) ;; When type `W f'
2213 (gnus-with-article-headers
2214 ;; Delete the old process, if any.
2215 (when (process-status "article-x-face")
2216 (delete-process "article-x-face"))
2217 ;; See the comment in `article-display-face'.
2218 (if (and wash-face-p (memq 'xface gnus-article-wash-types))
2219 ;; We have already displayed X-Faces, so we remove them
2221 (gnus-delete-images 'xface)
2223 (let (x-faces from face)
2224 (save-current-buffer
2225 (when (and wash-face-p
2226 (gnus-buffer-live-p gnus-original-article-buffer)
2227 (not (re-search-forward "^X-Face:[\t ]*" nil t)))
2228 ;; If type `W f', use gnus-original-article-buffer,
2229 ;; otherwise use the current buffer because displaying
2230 ;; RFC822 parts calls this function too.
2231 (set-buffer gnus-original-article-buffer))
2233 (mail-narrow-to-head)
2234 (while (gnus-article-goto-header "X-Face")
2235 (push (mail-header-field-value) x-faces))
2236 (setq from (message-fetch-field "from"))))
2237 ;; Sending multiple EOFs to xv doesn't work, so we only do a
2238 ;; single external face.
2239 (when (stringp gnus-article-x-face-command)
2240 (setq x-faces (list (car x-faces))))
2242 gnus-article-x-face-command
2244 ;; Check whether this face is censored.
2245 (not gnus-article-x-face-too-ugly)
2247 (not (string-match gnus-article-x-face-too-ugly
2249 (while (setq face (pop x-faces))
2250 ;; We display the face.
2251 (cond ((stringp gnus-article-x-face-command)
2252 ;; The command is a string, so we interpret the command
2253 ;; as a, well, command, and fork it off.
2254 (let ((process-connection-type nil))
2255 (gnus-set-process-query-on-exit-flag
2257 "article-x-face" nil shell-file-name
2258 shell-command-switch gnus-article-x-face-command)
2262 (process-send-region "article-x-face"
2263 (point-min) (point-max)))
2264 (process-send-eof "article-x-face")))
2265 ((functionp gnus-article-x-face-command)
2266 ;; The command is a lisp function, so we call it.
2267 (funcall gnus-article-x-face-command face))
2269 (error "%s is not a function"
2270 gnus-article-x-face-command))))))))))
2272 (defun article-decode-mime-words ()
2273 "Decode all MIME-encoded words in the article."
2275 (gnus-with-article-buffer
2276 (let ((inhibit-point-motion-hooks t)
2277 (mail-parse-charset gnus-newsgroup-charset)
2278 (mail-parse-ignored-charsets
2279 (with-current-buffer gnus-summary-buffer
2280 gnus-newsgroup-ignored-charsets)))
2281 (mail-decode-encoded-word-region (point-min) (point-max)))))
2283 (defun article-decode-charset (&optional prompt)
2284 "Decode charset-encoded text in the article.
2285 If PROMPT (the prefix), prompt for a coding system to use."
2287 (let ((inhibit-point-motion-hooks t) (case-fold-search t)
2288 (inhibit-read-only t)
2289 (mail-parse-charset gnus-newsgroup-charset)
2290 (mail-parse-ignored-charsets
2291 (save-excursion (condition-case nil
2292 (set-buffer gnus-summary-buffer)
2294 gnus-newsgroup-ignored-charsets))
2295 ct cte ctl charset format)
2298 (article-narrow-to-head)
2299 (setq ct (message-fetch-field "Content-Type" t)
2300 cte (message-fetch-field "Content-Transfer-Encoding" t)
2301 ctl (and ct (ignore-errors
2302 (mail-header-parse-content-type ct)))
2305 (mm-read-coding-system "Charset to decode: "))
2307 (mail-content-type-get ctl 'charset)))
2308 format (and ctl (mail-content-type-get ctl 'format)))
2310 (setq cte (mail-header-strip cte)))
2311 (if (and ctl (not (string-match "/" (car ctl))))
2313 (goto-char (point-max)))
2316 (narrow-to-region (point) (point-max))
2317 (when (and (eq mail-parse-charset 'gnus-decoded)
2318 (eq (mm-body-7-or-8) '8bit))
2319 ;; The text code could have been decoded.
2320 (setq charset mail-parse-charset))
2321 (when (and (or (not ctl)
2322 (equal (car ctl) "text/plain"))
2323 (not format)) ;; article with format will decode later.
2325 charset (and cte (intern (downcase
2326 (gnus-strip-whitespace cte))))
2329 (defun article-decode-encoded-words ()
2330 "Remove encoded-word encoding from headers."
2331 (let ((inhibit-point-motion-hooks t)
2332 (mail-parse-charset gnus-newsgroup-charset)
2333 (mail-parse-ignored-charsets
2334 (save-excursion (condition-case nil
2335 (set-buffer gnus-summary-buffer)
2337 gnus-newsgroup-ignored-charsets))
2338 (inhibit-read-only t))
2340 (article-narrow-to-head)
2341 (funcall gnus-decode-header-function (point-min) (point-max)))))
2343 (defun article-decode-group-name ()
2344 "Decode group names in `Newsgroups:'."
2345 (let ((inhibit-point-motion-hooks t)
2346 (inhibit-read-only t)
2347 (method (gnus-find-method-for-group gnus-newsgroup-name)))
2348 (when (and (or gnus-group-name-charset-method-alist
2349 gnus-group-name-charset-group-alist)
2350 (gnus-buffer-live-p gnus-original-article-buffer))
2352 (article-narrow-to-head)
2353 (with-current-buffer gnus-original-article-buffer
2354 (goto-char (point-min)))
2355 (while (re-search-forward
2356 "^Newsgroups:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]" nil t)
2357 (replace-match (save-match-data
2358 (gnus-decode-newsgroups
2359 ;; XXX how to use data in article buffer?
2360 (with-current-buffer gnus-original-article-buffer
2362 "^Newsgroups:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]"
2365 gnus-newsgroup-name method))
2367 (goto-char (point-min))
2368 (with-current-buffer gnus-original-article-buffer
2369 (goto-char (point-min)))
2370 (while (re-search-forward
2371 "^Followup-To:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]" nil t)
2372 (replace-match (save-match-data
2373 (gnus-decode-newsgroups
2374 ;; XXX how to use data in article buffer?
2375 (with-current-buffer gnus-original-article-buffer
2377 "^Followup-To:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]"
2380 gnus-newsgroup-name method))
2383 (autoload 'idna-to-unicode "idna")
2385 (defun article-decode-idna-rhs ()
2386 "Decode IDNA strings in RHS in From:, To: and Cc: headers in current buffer."
2389 (let ((inhibit-point-motion-hooks t)
2390 (inhibit-read-only t))
2391 (article-narrow-to-head)
2392 (goto-char (point-min))
2393 (while (re-search-forward "@.*\\(xn--[-A-Za-z0-9.]*\\)[ \t\n\r,>]" nil t)
2395 (when (save-match-data
2396 (and (setq ace (match-string 1))
2398 (and (re-search-backward "^[^ \t]" nil t)
2399 (looking-at "From\\|To\\|Cc")))
2400 (setq unicode (idna-to-unicode ace))))
2401 (unless (string= ace unicode)
2402 (replace-match unicode nil nil nil 1)))))))))
2404 (defun article-de-quoted-unreadable (&optional force read-charset)
2405 "Translate a quoted-printable-encoded article.
2406 If FORCE, decode the article whether it is marked as quoted-printable
2408 If READ-CHARSET, ask for a coding system."
2409 (interactive (list 'force current-prefix-arg))
2411 (let ((inhibit-read-only t) type charset)
2412 (if (gnus-buffer-live-p gnus-original-article-buffer)
2413 (with-current-buffer gnus-original-article-buffer
2415 (gnus-fetch-field "content-transfer-encoding"))
2416 (let* ((ct (gnus-fetch-field "content-type"))
2419 (mail-header-parse-content-type ct)))))
2420 (setq charset (and ctl
2421 (mail-content-type-get ctl 'charset)))
2422 (if (stringp charset)
2423 (setq charset (intern (downcase charset)))))))
2425 (setq charset (mm-read-coding-system "Charset: " charset)))
2427 (setq charset gnus-newsgroup-charset))
2429 (and type (let ((case-fold-search t))
2430 (string-match "quoted-printable" type))))
2432 (quoted-printable-decode-region
2433 (point) (point-max) (mm-charset-to-coding-system charset))))))
2435 (defun article-de-base64-unreadable (&optional force read-charset)
2436 "Translate a base64 article.
2437 If FORCE, decode the article whether it is marked as base64 not.
2438 If READ-CHARSET, ask for a coding system."
2439 (interactive (list 'force current-prefix-arg))
2441 (let ((inhibit-read-only t) type charset)
2442 (if (gnus-buffer-live-p gnus-original-article-buffer)
2443 (with-current-buffer gnus-original-article-buffer
2445 (gnus-fetch-field "content-transfer-encoding"))
2446 (let* ((ct (gnus-fetch-field "content-type"))
2449 (mail-header-parse-content-type ct)))))
2450 (setq charset (and ctl
2451 (mail-content-type-get ctl 'charset)))
2452 (if (stringp charset)
2453 (setq charset (intern (downcase charset)))))))
2455 (setq charset (mm-read-coding-system "Charset: " charset)))
2457 (setq charset gnus-newsgroup-charset))
2459 (and type (let ((case-fold-search t))
2460 (string-match "base64" type))))
2463 (narrow-to-region (point) (point-max))
2464 (base64-decode-region (point-min) (point-max))
2465 (mm-decode-coding-region
2466 (point-min) (point-max) (mm-charset-to-coding-system charset)))))))
2471 (defun article-decode-HZ ()
2472 "Translate a HZ-encoded article."
2476 (let ((inhibit-read-only t))
2477 (rfc1843-decode-region (point-min) (point-max)))))
2479 (defun article-unsplit-urls ()
2480 "Remove the newlines that some other mailers insert into URLs."
2483 (let ((inhibit-read-only t))
2484 (goto-char (point-min))
2485 (while (re-search-forward
2486 "\\(\\(https?\\|ftp\\)://\\S-+\\) *\n\\(\\S-+\\)" nil t)
2487 (replace-match "\\1\\3" t)))
2488 (when (interactive-p)
2489 (gnus-treat-article nil))))
2492 (defun article-wash-html (&optional read-charset)
2493 "Format an HTML article.
2494 If READ-CHARSET, ask for a coding system."
2497 (let ((inhibit-read-only t)
2499 (when (gnus-buffer-live-p gnus-original-article-buffer)
2500 (with-current-buffer gnus-original-article-buffer
2501 (let* ((ct (gnus-fetch-field "content-type"))
2504 (mail-header-parse-content-type ct)))))
2505 (setq charset (and ctl
2506 (mail-content-type-get ctl 'charset)))
2507 (when (stringp charset)
2508 (setq charset (intern (downcase charset)))))))
2510 (setq charset (mm-read-coding-system "Charset: " charset)))
2512 (setq charset gnus-newsgroup-charset))
2514 (save-window-excursion
2516 (narrow-to-region (point) (point-max))
2517 (let* ((func (or gnus-article-wash-function mm-text-html-renderer))
2518 (entry (assq func mm-text-html-washer-alist)))
2520 (setq func (cdr entry)))
2525 (apply (car func) (cdr func))))))))))
2527 (defun gnus-article-wash-html-with-w3 ()
2528 "Wash the current buffer with w3."
2530 (let ((w3-strict-width (window-width))
2531 (url-standalone-mode t)
2532 (url-gateway-unplugged t)
2533 (w3-honor-stylesheets nil))
2535 (w3-region (point-min) (point-max))
2538 (defun gnus-article-wash-html-with-w3m ()
2539 "Wash the current buffer with emacs-w3m."
2542 (narrow-to-region (point) (point-max))
2543 (let ((w3m-safe-url-regexp mm-w3m-safe-url-regexp)
2544 w3m-force-redisplay)
2545 (w3m-region (point-min) (point-max)))
2546 (when (and mm-inline-text-html-with-w3m-keymap
2547 (boundp 'w3m-minor-mode-map)
2549 (add-text-properties
2550 (point-min) (point-max)
2551 (list 'keymap w3m-minor-mode-map
2552 ;; Put the mark meaning this part was rendered by emacs-w3m.
2553 'mm-inline-text-html-with-w3m t)))))
2555 (defun article-hide-list-identifiers ()
2556 "Remove list identifies from the Subject header.
2557 The `gnus-list-identifiers' variable specifies what to do."
2559 (let ((inhibit-point-motion-hooks t)
2560 (regexp (if (consp gnus-list-identifiers)
2561 (mapconcat 'identity gnus-list-identifiers " *\\|")
2562 gnus-list-identifiers))
2563 (inhibit-read-only t))
2567 (article-narrow-to-head)
2568 (goto-char (point-min))
2569 (while (re-search-forward
2570 (concat "^Subject: +\\(R[Ee]: +\\)*\\(" regexp " *\\)")
2572 (delete-region (match-beginning 2) (match-end 0))
2573 (beginning-of-line))
2574 (when (re-search-forward
2575 "^Subject: +\\(\\(R[Ee]: +\\)+\\)R[Ee]: +" nil t)
2576 (delete-region (match-beginning 1) (match-end 1))))))))
2578 (defun article-hide-pem (&optional arg)
2579 "Toggle hiding of any PEM headers and signatures in the current article.
2580 If given a negative prefix, always show; if given a positive prefix,
2582 (interactive (gnus-article-hidden-arg))
2583 (unless (gnus-article-check-hidden-text 'pem arg)
2585 (let ((inhibit-read-only t) end)
2586 (goto-char (point-min))
2587 ;; Hide the horrendously ugly "header".
2588 (when (and (search-forward
2589 "\n-----BEGIN PRIVACY-ENHANCED MESSAGE-----\n"
2591 (setq end (1+ (match-beginning 0))))
2592 (gnus-add-wash-type 'pem)
2593 (gnus-article-hide-text-type
2595 (if (search-forward "\n\n" nil t)
2599 ;; Hide the trailer as well
2600 (when (search-forward "\n-----END PRIVACY-ENHANCED MESSAGE-----\n"
2602 (gnus-article-hide-text-type
2603 (match-beginning 0) (match-end 0) 'pem)))))))
2605 (defun article-strip-banner ()
2606 "Strip the banners specified by the `banner' group parameter and by
2607 `gnus-article-address-banner-alist'."
2611 (let ((inhibit-point-motion-hooks t))
2612 (when (gnus-parameter-banner gnus-newsgroup-name)
2613 (article-really-strip-banner
2614 (gnus-parameter-banner gnus-newsgroup-name)))
2615 (when gnus-article-address-banner-alist
2616 ;; It is necessary to encode from fields before checking,
2617 ;; because `mail-header-parse-addresses' does not work
2618 ;; (reliably) on decoded headers. And more, it is
2619 ;; impossible to use `gnus-fetch-original-field' here,
2620 ;; because `article-strip-banner' may be called in draft
2621 ;; buffers to preview them.
2622 (let ((from (save-restriction
2624 (article-narrow-to-head)
2625 (mail-fetch-field "from"))))
2628 (caar (mail-header-parse-addresses
2629 (mail-encode-encoded-word-string from)))))
2631 (dolist (pair gnus-article-address-banner-alist)
2632 (when (string-match (car pair) from)
2634 (article-really-strip-banner (cdr pair)))))))))))))
2636 (defun article-really-strip-banner (banner)
2637 "Strip the banner specified by the argument."
2640 (let ((inhibit-point-motion-hooks t)
2641 (gnus-signature-limit nil)
2642 (inhibit-read-only t))
2645 ((eq banner 'signature)
2646 (when (gnus-article-narrow-to-signature)
2649 (delete-region (point) (point-max))))
2651 (if (setq banner (cdr (assq banner gnus-article-banner-alist)))
2652 (while (re-search-forward banner nil t)
2653 (delete-region (match-beginning 0) (match-end 0)))))
2655 (while (re-search-forward banner nil t)
2656 (delete-region (match-beginning 0) (match-end 0)))))))))
2658 (defun article-babel ()
2659 "Translate article using an online translation service."
2662 (gnus-with-article-buffer
2663 (when (article-goto-body)
2664 (let* ((start (point))
2666 (orig (buffer-substring start end))
2667 (trans (babel-as-string orig)))
2669 (narrow-to-region start end)
2670 (delete-region start end)
2673 (defun article-hide-signature (&optional arg)
2674 "Hide the signature in the current article.
2675 If given a negative prefix, always show; if given a positive prefix,
2677 (interactive (gnus-article-hidden-arg))
2678 (unless (gnus-article-check-hidden-text 'signature arg)
2681 (let ((inhibit-read-only t))
2682 (when (gnus-article-narrow-to-signature)
2683 (gnus-article-hide-text-type
2684 (point-min) (point-max) 'signature))))))
2685 (gnus-set-mode-line 'article))
2687 (defun article-strip-headers-in-body ()
2688 "Strip offensive headers from bodies."
2692 (let ((case-fold-search t))
2693 (when (looking-at "x-no-archive:")
2694 (gnus-delete-line)))))
2696 (defun article-strip-leading-blank-lines ()
2697 "Remove all blank lines from the beginning of the article."
2700 (let ((inhibit-point-motion-hooks t)
2701 (inhibit-read-only t))
2702 (when (article-goto-body)
2703 (while (and (not (eobp))
2704 (looking-at "[ \t]*$"))
2705 (gnus-delete-line))))))
2707 (defun article-narrow-to-head ()
2708 "Narrow the buffer to the head of the message.
2709 Point is left at the beginning of the narrowed-to region."
2711 (goto-char (point-min))
2712 (if (search-forward "\n\n" nil 1)
2715 (goto-char (point-min)))
2717 (defun article-goto-body ()
2718 "Place point at the start of the body."
2719 (goto-char (point-min))
2721 ;; This variable is only bound when dealing with separate
2723 (article-goto-body-goes-to-point-min-p
2725 ((search-forward "\n\n" nil t)
2728 (goto-char (point-max))
2731 (defun article-strip-multiple-blank-lines ()
2732 "Replace consecutive blank lines with one empty line."
2735 (let ((inhibit-point-motion-hooks t)
2736 (inhibit-read-only t))
2737 ;; First make all blank lines empty.
2739 (while (re-search-forward "^[ \t]+$" nil t)
2740 (unless (gnus-annotation-in-region-p
2741 (match-beginning 0) (match-end 0))
2742 (replace-match "" nil t)))
2743 ;; Then replace multiple empty lines with a single empty line.
2745 (while (re-search-forward "\n\n\\(\n+\\)" nil t)
2746 (unless (gnus-annotation-in-region-p
2747 (match-beginning 0) (match-end 0))
2748 (delete-region (match-beginning 1) (match-end 1)))))))
2750 (defun article-strip-leading-space ()
2751 "Remove all white space from the beginning of the lines in the article."
2754 (let ((inhibit-point-motion-hooks t)
2755 (inhibit-read-only t))
2757 (while (re-search-forward "^[ \t]+" nil t)
2758 (replace-match "" t t)))))
2760 (defun article-strip-trailing-space ()
2761 "Remove all white space from the end of the lines in the article."
2764 (let ((inhibit-point-motion-hooks t)
2765 (inhibit-read-only t))
2767 (while (re-search-forward "[ \t]+$" nil t)
2768 (replace-match "" t t)))))
2770 (defun article-strip-blank-lines ()
2771 "Strip leading, trailing and multiple blank lines."
2773 (article-strip-leading-blank-lines)
2774 (article-remove-trailing-blank-lines)
2775 (article-strip-multiple-blank-lines))
2777 (defun article-strip-all-blank-lines ()
2778 "Strip all blank lines."
2781 (let ((inhibit-point-motion-hooks t)
2782 (inhibit-read-only t))
2784 (while (re-search-forward "^[ \t]*\n" nil t)
2785 (replace-match "" t t)))))
2787 (defun gnus-article-narrow-to-signature ()
2788 "Narrow to the signature; return t if a signature is found, else nil."
2789 (let ((inhibit-point-motion-hooks t))
2790 (when (gnus-article-search-signature)
2792 ;; Check whether we have some limits to what we consider
2793 ;; to be a signature.
2794 (let ((limits (if (listp gnus-signature-limit) gnus-signature-limit
2795 (list gnus-signature-limit)))
2797 (while (setq limit (pop limits))
2798 (if (or (and (integerp limit)
2799 (< (- (point-max) (point)) limit))
2801 (< (count-lines (point) (point-max)) limit))
2802 (and (functionp limit)
2804 (and (stringp limit)
2805 (not (re-search-forward limit nil t))))
2806 () ; This limit did not succeed.
2810 (narrow-to-region (point) (point-max))
2813 (defun gnus-article-search-signature ()
2814 "Search the current buffer for the signature separator.
2815 Put point at the beginning of the signature separator."
2816 (let ((cur (point)))
2817 (goto-char (point-max))
2818 (if (if (stringp gnus-signature-separator)
2819 (re-search-backward gnus-signature-separator nil t)
2820 (let ((seps gnus-signature-separator))
2822 (not (re-search-backward (car seps) nil t)))
2829 (defun gnus-article-hidden-arg ()
2830 "Return the current prefix arg as a number, or 0 if no prefix."
2831 (list (if current-prefix-arg
2832 (prefix-numeric-value current-prefix-arg)
2835 (defun gnus-article-check-hidden-text (type arg)
2836 "Return nil if hiding is necessary.
2837 Arg can be nil or a number. nil and positive means hide, negative
2838 means show, 0 means toggle."
2841 (let ((hide (gnus-article-hidden-text-p type)))
2847 (gnus-article-show-hidden-text type)
2850 (if (eq hide 'hidden)
2852 (gnus-article-show-hidden-text type)
2856 (defun gnus-article-hidden-text-p (type)
2857 "Say whether the current buffer contains hidden text of type TYPE."
2858 (let ((pos (text-property-any (point-min) (point-max) 'article-type type)))
2860 (not (get-text-property pos 'invisible))
2861 (not (get-text-property pos 'dummy-invisible)))
2863 (text-property-any (1+ pos) (point-max) 'article-type type)))
2868 (defun gnus-article-show-hidden-text (type &optional dummy)
2869 "Show all hidden text of type TYPE.
2870 Originally it is hide instead of DUMMY."
2871 (let ((inhibit-read-only t)
2872 (inhibit-point-motion-hooks t))
2873 (gnus-remove-text-properties-when
2875 (point-min) (point-max)
2876 (cons 'article-type (cons type
2877 gnus-hidden-properties)))
2878 (gnus-delete-wash-type type)))
2880 (defconst article-time-units
2881 `((year . ,(* 365.25 24 60 60))
2882 (week . ,(* 7 24 60 60))
2883 (day . ,(* 24 60 60))
2887 "Mapping from time units to seconds.")
2889 (defun gnus-article-forward-header ()
2890 "Move point to the start of the next header.
2891 If the current header is a continuation header, this can be several
2896 (if (looking-at "[ \t]+[^ \t]")
2900 (defun article-date-ut (&optional type highlight)
2901 "Convert DATE date to universal time in the current article.
2902 If TYPE is `local', convert to local time; if it is `lapsed', output
2903 how much time has lapsed since DATE. For `lapsed', the value of
2904 `gnus-article-date-lapsed-new-header' says whether the \"X-Sent:\" header
2905 should replace the \"Date:\" one, or should be added below it."
2906 (interactive (list 'ut t))
2907 (let* ((tdate-regexp "^Date:[ \t]\\|^X-Sent:[ \t]")
2908 (date-regexp (cond ((not gnus-article-date-lapsed-new-header)
2912 (article-lapsed-timer
2916 (case-fold-search t)
2917 (inhibit-read-only t)
2918 (inhibit-point-motion-hooks t)
2919 pos date bface eface)
2923 (goto-char (point-min))
2924 (while (or (setq date (get-text-property (setq pos (point))
2926 (when (setq pos (next-single-property-change
2927 (point) 'original-date))
2928 (setq date (get-text-property pos 'original-date))
2930 (narrow-to-region pos (or (text-property-any pos (point-max)
2933 (goto-char (point-min))
2934 (when (re-search-forward tdate-regexp nil t)
2935 (setq bface (get-text-property (point-at-bol) 'face)
2936 eface (get-text-property (1- (point-at-eol)) 'face)))
2937 (goto-char (point-min))
2939 ;; Delete any old Date headers.
2940 (while (re-search-forward date-regexp nil t)
2942 (delete-region (point-at-bol) (progn
2943 (gnus-article-forward-header)
2945 (delete-region (point-at-bol) (progn
2946 (gnus-article-forward-header)
2949 (setq pos (point))))
2950 (when (and (not pos)
2951 (re-search-forward tdate-regexp nil t))
2953 (gnus-goto-char pos)
2954 (insert (article-make-date-line date (or type 'ut)))
2960 (when (looking-at "\\([^:]+\\): *\\(.*\\)$")
2961 (put-text-property (match-beginning 1) (1+ (match-end 1))
2963 (put-text-property (match-beginning 2) (match-end 2)
2965 (put-text-property (point-min) (1- (point-max)) 'original-date date)
2966 (goto-char (point-max))
2969 (defun article-make-date-line (date type)
2970 "Return a DATE line of TYPE."
2971 (unless (memq type '(local ut original user iso8601 lapsed english))
2972 (error "Unknown conversion type: %s" type))
2974 (let ((time (date-to-time date)))
2976 ;; Convert to the local timezone.
2978 (concat "Date: " (message-make-date time)))
2979 ;; Convert to Universal Time.
2984 (let* ((e (parse-time-string date))
2985 (tm (apply 'encode-time e))
2987 (ls (- (cadr tm) (car (current-time-zone time)))))
2988 (cond ((< ls 0) (list (1- ms) (+ ls 65536)))
2989 ((> ls 65535) (list (1+ ms) (- ls 65536)))
2993 ;; Get the original date from the article.
2994 ((eq type 'original)
2995 (concat "Date: " (if (string-match "\n+$" date)
2996 (substring date 0 (match-beginning 0))
2998 ;; Let the user define the format.
3000 (let ((format (or (condition-case nil
3001 (with-current-buffer gnus-summary-buffer
3002 gnus-article-time-format)
3004 gnus-article-time-format)))
3005 (if (functionp format)
3006 (funcall format time)
3007 (concat "Date: " (format-time-string format time)))))
3010 (let ((tz (car (current-time-zone time))))
3013 (format-time-string "%Y%m%dT%H%M%S" time)
3014 (format "%s%02d%02d"
3015 (if (> tz 0) "+" "-") (/ (abs tz) 3600)
3016 (/ (% (abs tz) 3600) 60)))))
3017 ;; Do an X-Sent lapsed format.
3019 ;; If the date is seriously mangled, the timezone functions are
3020 ;; liable to bug out, so we ignore all errors.
3021 (let* ((now (current-time))
3022 (real-time (subtract-time now time))
3023 (real-sec (and real-time
3024 (+ (* (float (car real-time)) 65536)
3026 (sec (and real-time (abs real-sec)))
3036 ;; This is a bit convoluted, but basically we go
3037 ;; through the time units for years, weeks, etc,
3038 ;; and divide things to see whether that results
3039 ;; in positive answers.
3042 (if (zerop (setq num (ffloor (/ sec (cdr unit)))))
3043 ;; The (remaining) seconds are too few to
3044 ;; be divided into this time unit.
3046 ;; It's big enough, so we output it.
3047 (setq sec (- sec (* num (cdr unit))))
3049 (concat (if prev ", " "") (int-to-string
3051 " " (symbol-name (car unit))
3052 (if (> num 1) "s" ""))
3054 article-time-units "")
3055 ;; If dates are odd, then it might appear like the
3056 ;; article was sent in the future.
3059 " in the future"))))))
3060 ;; Display the date in proper English
3062 (let ((dtime (decode-time time)))
3065 (number-to-string (nth 3 dtime))
3066 (let ((digit (% (nth 3 dtime) 10)))
3068 ((memq (nth 3 dtime) '(11 12 13)) "th")
3074 (nth (1- (nth 4 dtime)) gnus-english-month-names)
3076 (number-to-string (nth 5 dtime))
3078 (format "%02d" (nth 2 dtime))
3080 (format "%02d" (nth 1 dtime)))))))
3082 (format "Date: %s (from Gnus)" date))))
3084 (defun article-date-local (&optional highlight)
3085 "Convert the current article date to the local timezone."
3086 (interactive (list t))
3087 (article-date-ut 'local highlight))
3089 (defun article-date-english (&optional highlight)
3090 "Convert the current article date to something that is proper English."
3091 (interactive (list t))
3092 (article-date-ut 'english highlight))
3094 (defun article-date-original (&optional highlight)
3095 "Convert the current article date to what it was originally.
3096 This is only useful if you have used some other date conversion
3097 function and want to see what the date was before converting."
3098 (interactive (list t))
3099 (article-date-ut 'original highlight))
3101 (defun article-date-lapsed (&optional highlight)
3102 "Convert the current article date to time lapsed since it was sent."
3103 (interactive (list t))
3104 (article-date-ut 'lapsed highlight))
3106 (defun article-update-date-lapsed ()
3107 "Function to be run from a timer to update the lapsed time line."
3109 (let (deactivate-mark)
3114 (set-buffer (window-buffer w))
3115 (when (eq major-mode 'gnus-article-mode)
3116 (let ((mark (point-marker)))
3117 (goto-char (point-min))
3118 (when (re-search-forward "^X-Sent:" nil t)
3119 (article-date-lapsed t))
3120 (goto-char (marker-position mark))
3121 (move-marker mark nil))))
3124 (defun gnus-start-date-timer (&optional n)
3125 "Start a timer to update the X-Sent header in the article buffers.
3126 The numerical prefix says how frequently (in seconds) the function
3131 (gnus-stop-date-timer)
3132 (setq article-lapsed-timer
3133 (run-at-time 1 n 'article-update-date-lapsed)))
3135 (defun gnus-stop-date-timer ()
3136 "Stop the X-Sent timer."
3138 (when article-lapsed-timer
3139 (nnheader-cancel-timer article-lapsed-timer)
3140 (setq article-lapsed-timer nil)))
3142 (defun article-date-user (&optional highlight)
3143 "Convert the current article date to the user-defined format.
3144 This format is defined by the `gnus-article-time-format' variable."
3145 (interactive (list t))
3146 (article-date-ut 'user highlight))
3148 (defun article-date-iso8601 (&optional highlight)
3149 "Convert the current article date to ISO8601."
3150 (interactive (list t))
3151 (article-date-ut 'iso8601 highlight))
3153 (defmacro gnus-article-save-original-date (&rest forms)
3154 "Save the original date as a text property and evaluate FORMS."
3155 `(let* ((case-fold-search t)
3157 (goto-char (point-min))
3158 (when (and (re-search-forward "^date:[\t\n ]+" nil t)
3161 (date (when (and start
3162 (re-search-forward "[\t ]*\n\\(?:[^\t ]\\|\\'\\)"
3164 (buffer-substring-no-properties start
3165 (match-beginning 0)))))
3166 (goto-char (point-max))
3167 (skip-chars-backward "\n")
3168 (put-text-property (point-min) (point) 'original-date date)
3170 (goto-char (point-max))
3171 (skip-chars-backward "\n")
3172 (put-text-property (point-min) (point) 'original-date date)))
3174 ;; (defun article-show-all ()
3175 ;; "Show all hidden text in the article buffer."
3178 ;; (let ((inhibit-read-only t))
3179 ;; (gnus-article-unhide-text (point-min) (point-max)))))
3181 (defun article-remove-leading-whitespace ()
3182 "Remove excessive whitespace from all headers."
3186 (let ((inhibit-read-only t))
3187 (article-narrow-to-head)
3188 (goto-char (point-min))
3189 (while (re-search-forward "^[^ :]+: \\([ \t]+\\)" nil t)
3190 (delete-region (match-beginning 1) (match-end 1)))))))
3192 (defun article-emphasize (&optional arg)
3193 "Emphasize text according to `gnus-emphasis-alist'."
3194 (interactive (gnus-article-hidden-arg))
3195 (unless (gnus-article-check-hidden-text 'emphasis arg)
3199 (with-current-buffer gnus-summary-buffer
3200 gnus-article-emphasis-alist)
3202 gnus-emphasis-alist))
3203 (inhibit-read-only t)
3204 (props (append '(article-type emphasis)
3205 gnus-hidden-properties))
3206 regexp elem beg invisible visible face)
3209 (while (setq elem (pop alist))
3211 (setq regexp (car elem)
3212 invisible (nth 1 elem)
3213 visible (nth 2 elem)
3215 (while (re-search-forward regexp nil t)
3216 (when (and (match-beginning visible) (match-beginning invisible))
3217 (gnus-article-hide-text
3218 (match-beginning invisible) (match-end invisible) props)
3219 (gnus-article-unhide-text-type
3220 (match-beginning visible) (match-end visible) 'emphasis)
3221 (gnus-put-overlay-excluding-newlines
3222 (match-beginning visible) (match-end visible) 'face face)
3223 (gnus-add-wash-type 'emphasis)
3224 (goto-char (match-end invisible)))))))))
3226 (defun gnus-article-setup-highlight-words (&optional highlight-words)
3227 "Setup newsgroup emphasis alist."
3228 (unless gnus-article-emphasis-alist
3229 (let ((name (and gnus-newsgroup-name
3230 (gnus-group-real-name gnus-newsgroup-name))))
3231 (make-local-variable 'gnus-article-emphasis-alist)
3232 (setq gnus-article-emphasis-alist
3234 (let ((alist gnus-group-highlight-words-alist) elem highlight)
3235 (while (setq elem (pop alist))
3236 (when (and name (string-match (car elem) name))
3238 highlight (copy-sequence (cdr elem)))))
3240 (copy-sequence highlight-words)
3241 (if gnus-newsgroup-name
3242 (copy-sequence (gnus-group-find-parameter
3243 gnus-newsgroup-name 'highlight-words t)))
3244 gnus-emphasis-alist)))))
3247 (defvar gnus-summary-article-menu)
3248 (defvar gnus-summary-post-menu))
3250 ;;; Saving functions.
3252 (defun gnus-article-save (save-buffer file &optional num)
3253 "Save the currently selected article."
3254 (unless gnus-save-all-headers
3255 ;; Remove headers according to `gnus-saved-headers'.
3256 (let ((gnus-visible-headers
3257 (or gnus-saved-headers gnus-visible-headers))
3258 (gnus-article-buffer save-buffer))
3260 (set-buffer save-buffer)
3261 (article-hide-headers 1 t))))
3262 (save-window-excursion
3263 (if (not gnus-default-article-saver)
3264 (error "No default saver is defined")
3265 ;; !!! Magic! The saving functions all save
3266 ;; `gnus-save-article-buffer' (or so they think), but we
3267 ;; bind that variable to our save-buffer.
3268 (set-buffer gnus-article-buffer)
3269 (let* ((gnus-save-article-buffer save-buffer)
3272 ((not gnus-prompt-before-saving) 'default)
3273 ((eq gnus-prompt-before-saving 'always) nil)
3275 (gnus-number-of-articles-to-be-saved
3276 (when (eq gnus-prompt-before-saving t)
3278 (set-buffer gnus-article-current-summary)
3279 (funcall gnus-default-article-saver filename)))))
3281 (defun gnus-read-save-file-name (prompt &optional filename
3282 function group headers variable)
3284 (funcall function group headers (symbol-value variable)))
3289 ((eq filename 'default)
3295 (let* ((split-name (gnus-get-split-value gnus-split-methods))
3298 (if (and gnus-number-of-articles-to-be-saved
3299 (> gnus-number-of-articles-to-be-saved 1))
3300 (format "these %d articles"
3301 gnus-number-of-articles-to-be-saved)
3304 ;; Let the split methods have their say.
3306 ;; No split name was found.
3309 (concat prompt " (default "
3310 (file-name-nondirectory default-name) ") ")
3311 (file-name-directory default-name)
3313 ;; A single group name is returned.
3314 ((stringp split-name)
3316 (funcall function split-name headers
3317 (symbol-value variable)))
3319 (concat prompt " (default "
3320 (file-name-nondirectory default-name) ") ")
3321 (file-name-directory default-name)
3323 ;; A single split name was found
3324 ((= 1 (length split-name))
3325 (let* ((name (expand-file-name
3327 gnus-article-save-directory))
3328 (dir (cond ((file-directory-p name)
3329 (file-name-as-directory name))
3330 ((file-exists-p name) name)
3331 (t gnus-article-save-directory))))
3333 (concat prompt " (default " name ") ")
3335 ;; A list of splits was found.
3337 (setq split-name (nreverse split-name))
3339 (let ((file-name-history
3340 (nconc split-name file-name-history)))
3344 (concat prompt " (`M-p' for defaults) ")
3345 gnus-article-save-directory
3347 gnus-article-save-directory)))
3348 (car (push result file-name-history)))))))
3349 ;; Create the directory.
3350 (gnus-make-directory (file-name-directory file))
3351 ;; If we have read a directory, we append the default file name.
3352 (when (file-directory-p file)
3353 (setq file (expand-file-name (file-name-nondirectory
3355 (file-name-as-directory file))))
3356 ;; Possibly translate some characters.
3357 (nnheader-translate-file-chars file))))))
3358 (gnus-make-directory (file-name-directory result))
3359 (set variable result)))
3361 (defun gnus-article-archive-name (group)
3362 "Return the first instance of an \"Archive-name\" in the current buffer."
3363 (let ((case-fold-search t))
3364 (when (re-search-forward "archive-name: *\\([^ \n\t]+\\)[ \t]*$" nil t)
3365 (nnheader-concat gnus-article-save-directory
3366 (match-string 1)))))
3368 (defun gnus-article-nndoc-name (group)
3369 "If GROUP is an nndoc group, return the name of the parent group."
3370 (when (eq (car (gnus-find-method-for-group group)) 'nndoc)
3371 (gnus-group-get-parameter group 'save-article-group)))
3373 (defun gnus-summary-save-in-rmail (&optional filename)
3374 "Append this article to Rmail file.
3375 Optional argument FILENAME specifies file name.
3376 Directory to save to is default to `gnus-article-save-directory'."
3377 (setq filename (gnus-read-save-file-name
3378 "Save %s in rmail file:" filename
3379 gnus-rmail-save-name gnus-newsgroup-name
3380 gnus-current-headers 'gnus-newsgroup-last-rmail))
3381 (gnus-eval-in-buffer-window gnus-save-article-buffer
3385 (gnus-output-to-rmail filename))))
3388 (defun gnus-summary-save-in-mail (&optional filename)
3389 "Append this article to Unix mail file.
3390 Optional argument FILENAME specifies file name.
3391 Directory to save to is default to `gnus-article-save-directory'."
3392 (setq filename (gnus-read-save-file-name
3393 "Save %s in Unix mail file:" filename
3394 gnus-mail-save-name gnus-newsgroup-name
3395 gnus-current-headers 'gnus-newsgroup-last-mail))
3396 (gnus-eval-in-buffer-window gnus-save-article-buffer
3400 (if (and (file-readable-p filename)
3401 (file-regular-p filename)
3402 (mail-file-babyl-p filename))
3403 (rmail-output-to-rmail-file filename t)
3404 (gnus-output-to-mail filename)))))
3407 (defun gnus-summary-save-in-file (&optional filename overwrite)
3408 "Append this article to file.
3409 Optional argument FILENAME specifies file name.
3410 Directory to save to is default to `gnus-article-save-directory'."
3411 (setq filename (gnus-read-save-file-name
3412 "Save %s in file:" filename
3413 gnus-file-save-name gnus-newsgroup-name
3414 gnus-current-headers 'gnus-newsgroup-last-file))
3415 (gnus-eval-in-buffer-window gnus-save-article-buffer
3419 (when (and overwrite
3420 (file-exists-p filename))
3421 (delete-file filename))
3422 (gnus-output-to-file filename))))
3425 (defun gnus-summary-write-to-file (&optional filename)
3426 "Write this article to a file, overwriting it if the file exists.
3427 Optional argument FILENAME specifies file name.
3428 The directory to save in defaults to `gnus-article-save-directory'."
3429 (gnus-summary-save-in-file nil t))
3431 (defun gnus-summary-save-body-in-file (&optional filename)
3432 "Append this article body to a file.
3433 Optional argument FILENAME specifies file name.
3434 The directory to save in defaults to `gnus-article-save-directory'."
3435 (setq filename (gnus-read-save-file-name
3436 "Save %s body in file:" filename
3437 gnus-file-save-name gnus-newsgroup-name
3438 gnus-current-headers 'gnus-newsgroup-last-file))
3439 (gnus-eval-in-buffer-window gnus-save-article-buffer
3443 (when (article-goto-body)
3444 (narrow-to-region (point) (point-max)))
3445 (gnus-output-to-file filename))))
3448 (defun gnus-summary-save-in-pipe (&optional command)
3449 "Pipe this article to subprocess."
3451 (cond ((and (eq command 'default)
3452 gnus-last-shell-command)
3453 gnus-last-shell-command)
3458 "Shell command on %s: "
3459 (if (and gnus-number-of-articles-to-be-saved
3460 (> gnus-number-of-articles-to-be-saved 1))
3461 (format "these %d articles"
3462 gnus-number-of-articles-to-be-saved)
3464 gnus-last-shell-command))))
3465 (when (string-equal command "")
3466 (if gnus-last-shell-command
3467 (setq command gnus-last-shell-command)
3468 (error "A command is required")))
3469 (gnus-eval-in-buffer-window gnus-article-buffer
3472 (shell-command-on-region (point-min) (point-max) command nil)))
3473 (setq gnus-last-shell-command command))
3475 (defun gnus-summary-pipe-to-muttprint (&optional command)
3476 "Pipe this article to muttprint."
3477 (setq command (read-string
3478 "Print using command: " gnus-summary-muttprint-program
3479 nil gnus-summary-muttprint-program))
3480 (gnus-summary-save-in-pipe command))
3482 ;;; Article file names when saving.
3484 (defun gnus-capitalize-newsgroup (newsgroup)
3485 "Capitalize NEWSGROUP name."
3486 (when (not (zerop (length newsgroup)))
3487 (concat (char-to-string (upcase (aref newsgroup 0)))
3488 (substring newsgroup 1))))
3490 (defun gnus-Numeric-save-name (newsgroup headers &optional last-file)
3491 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3492 If variable `gnus-use-long-file-name' is non-nil, it is ~/News/News.group/num.
3493 Otherwise, it is like ~/News/news/group/num."
3496 (concat (if (gnus-use-long-file-name 'not-save)
3497 (gnus-capitalize-newsgroup newsgroup)
3498 (gnus-newsgroup-directory-form newsgroup))
3499 "/" (int-to-string (mail-header-number headers)))
3500 gnus-article-save-directory)))
3502 (string-equal (file-name-directory default)
3503 (file-name-directory last-file))
3504 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
3506 (or last-file default))))
3508 (defun gnus-numeric-save-name (newsgroup headers &optional last-file)
3509 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3510 If variable `gnus-use-long-file-name' is non-nil, it is
3511 ~/News/news.group/num. Otherwise, it is like ~/News/news/group/num."
3514 (concat (if (gnus-use-long-file-name 'not-save)
3516 (gnus-newsgroup-directory-form newsgroup))
3517 "/" (int-to-string (mail-header-number headers)))
3518 gnus-article-save-directory)))
3520 (string-equal (file-name-directory default)
3521 (file-name-directory last-file))
3522 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
3524 (or last-file default))))
3526 (defun gnus-plain-save-name (newsgroup headers &optional last-file)
3527 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3528 If variable `gnus-use-long-file-name' is non-nil, it is
3529 ~/News/news.group. Otherwise, it is like ~/News/news/group/news."
3532 (if (gnus-use-long-file-name 'not-save)
3535 (expand-file-name "news" (gnus-newsgroup-directory-form newsgroup))
3537 gnus-article-save-directory)))
3539 (defun gnus-sender-save-name (newsgroup headers &optional last-file)
3540 "Generate file name from sender."
3541 (let ((from (mail-header-from headers)))
3543 (if (and from (string-match "\\([^ <]+\\)@" from))
3544 (match-string 1 from)
3546 gnus-article-save-directory)))
3548 (defun article-verify-x-pgp-sig ()
3551 (if (gnus-buffer-live-p gnus-original-article-buffer)
3552 (let ((sig (with-current-buffer gnus-original-article-buffer
3553 (gnus-fetch-field "X-PGP-Sig")))
3557 (mml2015-clear-verify-function))
3559 (insert-buffer-substring gnus-original-article-buffer)
3560 (setq items (split-string sig))
3561 (message-narrow-to-head)
3562 (let ((inhibit-point-motion-hooks t)
3563 (case-fold-search t))
3564 ;; Don't verify multiple headers.
3565 (setq headers (mapconcat (lambda (header)
3567 (mail-fetch-field header)
3569 (split-string (nth 1 items) ",") "")))
3570 (delete-region (point-min) (point-max))
3571 (insert "-----BEGIN PGP SIGNED MESSAGE-----\n\n")
3572 (insert "X-Signed-Headers: " (nth 1 items) "\n")
3577 (if (looking-at "^-")
3580 (insert "\n-----BEGIN PGP SIGNATURE-----\n")
3581 (insert "Version: " (car items) "\n\n")
3582 (insert (mapconcat 'identity (cddr items) "\n"))
3583 (insert "\n-----END PGP SIGNATURE-----\n")
3584 (let ((mm-security-handle (list (format "multipart/signed"))))
3585 (mml2015-clean-buffer)
3586 (let ((coding-system-for-write (or gnus-newsgroup-charset
3588 (funcall (mml2015-clear-verify-function)))
3590 (or (mm-handle-multipart-ctl-parameter
3591 mm-security-handle 'gnus-details)
3592 (mm-handle-multipart-ctl-parameter
3593 mm-security-handle 'gnus-info)))))
3595 (let ((inhibit-read-only t) bface eface)
3597 (message-narrow-to-head)
3598 (goto-char (point-max))
3600 (setq bface (get-text-property (point-at-bol) 'face)
3601 eface (get-text-property (1- (point-at-eol)) 'face))
3602 (message-remove-header "X-Gnus-PGP-Verify")
3603 (if (re-search-forward "^X-PGP-Sig:" nil t)
3605 (goto-char (point-max)))
3606 (narrow-to-region (point) (point))
3607 (insert "X-Gnus-PGP-Verify: " info "\n")
3608 (goto-char (point-min))
3611 (if (not (looking-at "^[ \t]"))
3615 (goto-char (point-min))
3616 (when (looking-at "\\([^:]+\\): *")
3617 (put-text-property (match-beginning 1) (1+ (match-end 1))
3619 (put-text-property (match-end 0) (point-max)
3620 'face eface)))))))))
3622 (defun article-verify-cancel-lock ()
3623 "Verify Cancel-Lock header."
3625 (if (gnus-buffer-live-p gnus-original-article-buffer)
3626 (canlock-verify gnus-original-article-buffer)))
3633 (setq afunc (car func)
3636 gfunc (intern (format "gnus-%s" func))))
3638 (when (fboundp afunc)
3639 `(lambda (&optional interactive &rest args)
3640 ,(documentation afunc t)
3641 (interactive (list t))
3643 (set-buffer gnus-article-buffer)
3645 (call-interactively ',afunc)
3646 (apply ',afunc args))))))))
3647 '(article-hide-headers
3648 article-verify-x-pgp-sig
3649 article-verify-cancel-lock
3650 article-hide-boring-headers
3651 article-treat-overstrike
3652 article-treat-ansi-sequences
3653 article-fill-long-lines
3654 article-capitalize-sentences
3656 article-remove-leading-whitespace
3657 article-display-x-face
3658 article-display-face
3659 article-de-quoted-unreadable
3660 article-de-base64-unreadable
3663 article-unsplit-urls
3664 article-hide-list-identifiers
3665 article-strip-banner
3668 article-hide-signature
3669 article-strip-headers-in-body
3670 article-remove-trailing-blank-lines
3671 article-strip-leading-blank-lines
3672 article-strip-multiple-blank-lines
3673 article-strip-leading-space
3674 article-strip-trailing-space
3675 article-strip-blank-lines
3676 article-strip-all-blank-lines
3678 article-date-english
3679 article-date-iso8601
3680 article-date-original
3682 article-decode-mime-words
3683 article-decode-charset
3684 article-decode-encoded-words
3688 article-treat-dumbquotes
3689 article-normalize-headers
3690 ;; (article-show-all . gnus-article-show-all-headers)
3694 ;;; Gnus article mode
3697 (put 'gnus-article-mode 'mode-class 'special)
3699 (set-keymap-parent gnus-article-mode-map widget-keymap)
3701 (gnus-define-keys gnus-article-mode-map
3702 " " gnus-article-goto-next-page
3703 "\177" gnus-article-goto-prev-page
3704 [delete] gnus-article-goto-prev-page
3705 [backspace] gnus-article-goto-prev-page
3706 "\C-c^" gnus-article-refer-article
3707 "h" gnus-article-show-summary
3708 "s" gnus-article-show-summary
3709 "\C-c\C-m" gnus-article-mail
3710 "?" gnus-article-describe-briefly
3711 "e" gnus-summary-edit-article
3712 "<" beginning-of-buffer
3714 "\C-c\C-i" gnus-info-find-node
3716 "R" gnus-article-reply-with-original
3717 "F" gnus-article-followup-with-original
3718 "\C-hk" gnus-article-describe-key
3719 "\C-hc" gnus-article-describe-key-briefly
3721 "\C-d" gnus-article-read-summary-keys
3722 "\M-*" gnus-article-read-summary-keys
3723 "\M-#" gnus-article-read-summary-keys
3724 "\M-^" gnus-article-read-summary-keys
3725 "\M-g" gnus-article-read-summary-keys)
3727 (substitute-key-definition
3728 'undefined 'gnus-article-read-summary-keys gnus-article-mode-map)
3730 (defun gnus-article-make-menu-bar ()
3731 (unless (boundp 'gnus-article-commands-menu)
3732 (gnus-summary-make-menu-bar))
3733 (gnus-turn-off-edit-menu 'article)
3734 (unless (boundp 'gnus-article-article-menu)
3736 gnus-article-article-menu gnus-article-mode-map ""
3738 ["Scroll forwards" gnus-article-goto-next-page t]
3739 ["Scroll backwards" gnus-article-goto-prev-page t]
3740 ["Show summary" gnus-article-show-summary t]
3741 ["Fetch Message-ID at point" gnus-article-refer-article t]
3742 ["Mail to address at point" gnus-article-mail t]
3743 ["Send a bug report" gnus-bug t]))
3746 gnus-article-treatment-menu gnus-article-mode-map ""
3747 ;; Fixme: this should use :active (and maybe :visible).
3749 ["Hide headers" gnus-article-hide-headers t]
3750 ["Hide signature" gnus-article-hide-signature t]
3751 ["Hide citation" gnus-article-hide-citation t]
3752 ["Treat overstrike" gnus-article-treat-overstrike t]
3753 ["Treat ANSI sequences" gnus-article-treat-ansi-sequences t]
3754 ["Remove carriage return" gnus-article-remove-cr t]
3755 ["Remove leading whitespace" gnus-article-remove-leading-whitespace t]
3756 ["Remove quoted-unreadable" gnus-article-de-quoted-unreadable t]
3757 ["Remove base64" gnus-article-de-base64-unreadable t]
3758 ["Treat html" gnus-article-wash-html t]
3759 ["Remove newlines from within URLs" gnus-article-unsplit-urls t]
3760 ["Decode HZ" gnus-article-decode-HZ t]))
3762 ;; Note "Commands" menu is defined in gnus-sum.el for consistency
3764 ;; Note "Post" menu is defined in gnus-sum.el for consistency
3766 (gnus-run-hooks 'gnus-article-menu-hook)))
3768 (defun gnus-article-mode ()
3769 "Major mode for displaying an article.
3771 All normal editing commands are switched off.
3773 The following commands are available in addition to all summary mode
3775 \\<gnus-article-mode-map>
3776 \\[gnus-article-next-page]\t Scroll the article one page forwards
3777 \\[gnus-article-prev-page]\t Scroll the article one page backwards
3778 \\[gnus-article-refer-article]\t Go to the article referred to by an article id near point
3779 \\[gnus-article-show-summary]\t Display the summary buffer
3780 \\[gnus-article-mail]\t Send a reply to the address near point
3781 \\[gnus-article-describe-briefly]\t Describe the current mode briefly
3782 \\[gnus-info-find-node]\t Go to the Gnus info node"
3784 (kill-all-local-variables)
3785 (gnus-simplify-mode-line)
3786 (setq mode-name "Article")
3787 (setq major-mode 'gnus-article-mode)
3788 (make-local-variable 'minor-mode-alist)
3789 (use-local-map gnus-article-mode-map)
3790 (when (gnus-visual-p 'article-menu 'menu)
3791 (gnus-article-make-menu-bar)
3792 (when gnus-summary-tool-bar-map
3793 (set (make-local-variable 'tool-bar-map) gnus-summary-tool-bar-map)))
3794 (gnus-update-format-specifications nil 'article-mode)
3795 (set (make-local-variable 'page-delimiter) gnus-page-delimiter)
3796 (set (make-local-variable 'gnus-page-broken) nil)
3797 (make-local-variable 'gnus-button-marker-list)
3798 (make-local-variable 'gnus-article-current-summary)
3799 (make-local-variable 'gnus-article-mime-handles)
3800 (make-local-variable 'gnus-article-decoded-p)
3801 (make-local-variable 'gnus-article-mime-handle-alist)
3802 (make-local-variable 'gnus-article-wash-types)
3803 (make-local-variable 'gnus-article-image-alist)
3804 (make-local-variable 'gnus-article-charset)
3805 (make-local-variable 'gnus-article-ignored-charsets)
3806 ;; Prevent recent Emacsen from displaying non-break space as "\ ".
3807 (set (make-local-variable 'nobreak-char-display) nil)
3808 (gnus-set-default-directory)
3809 (buffer-disable-undo)
3810 (setq buffer-read-only t
3811 show-trailing-whitespace nil)
3812 (set-syntax-table gnus-article-mode-syntax-table)
3813 (mm-enable-multibyte)
3814 (gnus-run-mode-hooks 'gnus-article-mode-hook))
3816 (defun gnus-article-setup-buffer ()
3817 "Initialize the article buffer."
3818 (let* ((name (if gnus-single-article-buffer "*Article*"
3819 (concat "*Article " gnus-newsgroup-name "*")))
3821 (progn (string-match "\\*Article" name)
3822 (concat " *Original Article"
3823 (substring name (match-end 0))))))
3824 (setq gnus-article-buffer name)
3825 (setq gnus-original-article-buffer original)
3826 (setq gnus-article-mime-handle-alist nil)
3827 ;; This might be a variable local to the summary buffer.
3828 (unless gnus-single-article-buffer
3830 (set-buffer gnus-summary-buffer)
3831 (setq gnus-article-buffer name)
3832 (setq gnus-original-article-buffer original)
3833 (gnus-set-global-variables)))
3834 (gnus-article-setup-highlight-words)
3835 ;; Init original article buffer.
3837 (set-buffer (gnus-get-buffer-create gnus-original-article-buffer))
3838 (mm-enable-multibyte)
3839 (setq major-mode 'gnus-original-article-mode)
3840 (make-local-variable 'gnus-original-article))
3841 (if (and (get-buffer name)
3842 (with-current-buffer name
3843 (if gnus-article-edit-mode
3844 (if (y-or-n-p "Article mode edit in progress; discard? ")
3846 (set-buffer-modified-p nil)
3847 (gnus-kill-buffer name)
3850 (error "Action aborted"))
3854 (set (make-local-variable 'gnus-article-edit-mode) nil)
3855 (when gnus-article-mime-handles
3856 (mm-destroy-parts gnus-article-mime-handles)
3857 (setq gnus-article-mime-handles nil))
3858 ;; Set it to nil in article-buffer!
3859 (setq gnus-article-mime-handle-alist nil)
3860 (buffer-disable-undo)
3861 (setq buffer-read-only t)
3862 ;; This list just keeps growing if we don't reset it.
3863 (setq gnus-button-marker-list nil)
3864 (unless (eq major-mode 'gnus-article-mode)
3865 (gnus-article-mode))
3868 (set-buffer (gnus-get-buffer-create name))
3870 (make-local-variable 'gnus-summary-buffer)
3871 (gnus-summary-set-local-parameters gnus-newsgroup-name)
3872 (current-buffer)))))
3874 ;; Set article window start at LINE, where LINE is the number of lines
3875 ;; from the head of the article.
3876 (defun gnus-article-set-window-start (&optional line)
3878 (gnus-get-buffer-window gnus-article-buffer t)
3880 (set-buffer gnus-article-buffer)
3881 (goto-char (point-min))
3884 (gnus-message 6 "Moved to bookmark")
3885 (search-forward "\n\n" nil t)
3889 (defun gnus-article-prepare (article &optional all-headers header)
3890 "Prepare ARTICLE in article mode buffer.
3891 ARTICLE should either be an article number or a Message-ID.
3892 If ARTICLE is an id, HEADER should be the article headers.
3893 If ALL-HEADERS is non-nil, no headers are hidden."
3895 ;; Make sure we start in a summary buffer.
3896 (unless (eq major-mode 'gnus-summary-mode)
3897 (set-buffer gnus-summary-buffer))
3898 (setq gnus-summary-buffer (current-buffer))
3899 (let* ((gnus-article (if header (mail-header-number header) article))
3900 (summary-buffer (current-buffer))
3901 (gnus-tmp-internal-hook gnus-article-internal-prepare-hook)
3902 (group gnus-newsgroup-name)
3905 (gnus-article-setup-buffer)
3906 (set-buffer gnus-article-buffer)
3907 ;; Deactivate active regions.
3908 (when (and (boundp 'transient-mark-mode)
3909 transient-mark-mode)
3910 (setq mark-active nil))
3911 (if (not (setq result (let ((inhibit-read-only t))
3912 (gnus-request-article-this-buffer
3914 ;; There is no such article.
3916 (when (and (numberp article)
3917 (not (memq article gnus-newsgroup-sparse)))
3918 (setq gnus-article-current
3919 (cons gnus-newsgroup-name article))
3920 (set-buffer gnus-summary-buffer)
3921 (setq gnus-current-article article)
3922 (if (and (memq article gnus-newsgroup-undownloaded)
3923 (not (gnus-online (gnus-find-method-for-group
3924 gnus-newsgroup-name))))
3926 (gnus-summary-set-agent-mark article)
3927 (message "Message marked for downloading"))
3928 (gnus-summary-mark-article article gnus-canceled-mark)
3929 (unless (memq article gnus-newsgroup-sparse)
3930 (gnus-error 1 "No such article (may have expired or been canceled)")))))
3931 (if (or (eq result 'pseudo)
3932 (eq result 'nneething))
3935 (set-buffer summary-buffer)
3936 (push article gnus-newsgroup-history)
3937 (setq gnus-last-article gnus-current-article
3938 gnus-current-article 0
3939 gnus-current-headers nil
3940 gnus-article-current nil)
3941 (if (eq result 'nneething)
3942 (gnus-configure-windows 'summary)
3943 (gnus-configure-windows 'article))
3944 (gnus-set-global-variables))
3945 (let ((gnus-article-mime-handle-alist-1
3946 gnus-article-mime-handle-alist))
3947 (gnus-set-mode-line 'article)))
3948 ;; The result from the `request' was an actual article -
3949 ;; or at least some text that is now displayed in the
3951 (when (and (numberp article)
3952 (not (eq article gnus-current-article)))
3953 ;; Seems like a new article has been selected.
3954 ;; `gnus-current-article' must be an article number.
3956 (set-buffer summary-buffer)
3957 (push article gnus-newsgroup-history)
3958 (setq gnus-last-article gnus-current-article
3959 gnus-current-article article
3960 gnus-current-headers
3961 (gnus-summary-article-header gnus-current-article)
3962 gnus-article-current
3963 (cons gnus-newsgroup-name gnus-current-article))
3964 (unless (vectorp gnus-current-headers)
3965 (setq gnus-current-headers nil))
3966 (gnus-summary-goto-subject gnus-current-article)
3967 (when (gnus-summary-show-thread)
3968 ;; If the summary buffer really was folded, the
3969 ;; previous goto may not actually have gone to
3970 ;; the right article, but the thread root instead.
3972 (gnus-summary-goto-subject gnus-current-article))
3973 (gnus-run-hooks 'gnus-mark-article-hook)
3974 (gnus-set-mode-line 'summary)
3975 (when (gnus-visual-p 'article-highlight 'highlight)
3976 (gnus-run-hooks 'gnus-visual-mark-article-hook))
3977 ;; Set the global newsgroup variables here.
3978 (gnus-set-global-variables)
3979 (setq gnus-have-all-headers
3980 (or all-headers gnus-show-all-headers))))
3982 (gnus-configure-windows 'article))
3983 (when (or (numberp article)
3985 (gnus-article-prepare-display)
3987 (goto-char (point-min))
3988 (when gnus-break-pages
3989 (gnus-narrow-to-page)))
3990 (let ((gnus-article-mime-handle-alist-1
3991 gnus-article-mime-handle-alist))
3992 (gnus-set-mode-line 'article))
3996 (set-window-point (get-buffer-window (current-buffer)) (point))
3997 (gnus-configure-windows 'article)
4001 (defun gnus-article-prepare-display ()
4002 "Make the current buffer look like a nice article."
4003 ;; Hooks for getting information from the article.
4004 ;; This hook must be called before being narrowed.
4005 (let ((gnus-article-buffer (current-buffer))
4007 (inhibit-read-only t))
4008 (unless (eq major-mode 'gnus-article-mode)
4009 (gnus-article-mode))
4010 (setq buffer-read-only nil
4011 gnus-article-wash-types nil
4012 gnus-article-image-alist nil)
4013 (gnus-run-hooks 'gnus-tmp-internal-hook)
4014 (when gnus-display-mime-function
4015 (funcall gnus-display-mime-function))
4016 (gnus-run-hooks 'gnus-article-prepare-hook)))
4019 ;;; Gnus MIME viewing functions
4022 (defvar gnus-mime-button-line-format "%{%([%p. %d%T]%)%}%e\n"
4023 "Format of the MIME buttons.
4025 Valid specifiers include:
4027 %T MIME type, along with additional info
4028 %n The `name' parameter
4029 %d The description, if any
4030 %l The length of the encoded part
4031 %p The part identifier number
4032 %e Dots if the part isn't displayed
4034 General format specifiers can also be used. See Info node
4035 `(gnus)Formatting Variables'.")
4037 (defvar gnus-mime-button-line-format-alist
4038 '((?t gnus-tmp-type ?s)
4039 (?T gnus-tmp-type-long ?s)
4040 (?n gnus-tmp-name ?s)
4041 (?d gnus-tmp-description ?s)
4043 (?l gnus-tmp-length ?d)
4044 (?e gnus-tmp-dots ?s)))
4046 (defvar gnus-mime-button-commands
4047 '((gnus-article-press-button "\r" "Toggle Display")
4048 (gnus-mime-view-part "v" "View Interactively...")
4049 (gnus-mime-view-part-as-type "t" "View As Type...")
4050 (gnus-mime-view-part-as-charset "C" "View As charset...")
4051 (gnus-mime-save-part "o" "Save...")
4052 (gnus-mime-save-part-and-strip "\C-o" "Save and Strip")
4053 (gnus-mime-delete-part "d" "Delete part")
4054 (gnus-mime-copy-part "c" "View As Text, In Other Buffer")
4055 (gnus-mime-inline-part "i" "View As Text, In This Buffer")
4056 (gnus-mime-view-part-internally "E" "View Internally")
4057 (gnus-mime-view-part-externally "e" "View Externally")
4058 (gnus-mime-print-part "p" "Print")
4059 (gnus-mime-pipe-part "|" "Pipe To Command...")
4060 (gnus-mime-action-on-part "." "Take action on the part...")))
4062 (defun gnus-article-mime-part-status ()
4063 (if gnus-article-mime-handle-alist-1
4064 (if (eq 1 (length gnus-article-mime-handle-alist-1))
4066 (format " (%d parts)" (length gnus-article-mime-handle-alist-1)))
4069 (defvar gnus-mime-button-map
4070 (let ((map (make-sparse-keymap)))
4071 (define-key map gnus-mouse-2 'gnus-article-push-button)
4072 (define-key map gnus-down-mouse-3 'gnus-mime-button-menu)
4073 (dolist (c gnus-mime-button-commands)
4074 (define-key map (cadr c) (car c)))
4078 gnus-mime-button-menu gnus-mime-button-map "MIME button menu."
4080 ,@(mapcar (lambda (c)
4081 (vector (caddr c) (car c) :enable t))
4082 gnus-mime-button-commands)))
4084 (defun gnus-mime-button-menu (event prefix)
4085 "Construct a context-sensitive menu of MIME commands."
4086 (interactive "e\nP")
4087 (save-window-excursion
4088 (let ((pos (event-start event)))
4089 (select-window (posn-window pos))
4090 (goto-char (posn-point pos))
4091 (gnus-article-check-buffer)
4092 (popup-menu gnus-mime-button-menu nil prefix))))
4094 (defun gnus-mime-view-all-parts (&optional handles)
4095 "View all the MIME parts."
4097 (with-current-buffer gnus-article-buffer
4098 (let ((handles (or handles gnus-article-mime-handles))
4099 (mail-parse-charset gnus-newsgroup-charset)
4100 (mail-parse-ignored-charsets
4101 (with-current-buffer gnus-summary-buffer
4102 gnus-newsgroup-ignored-charsets)))
4104 (mm-remove-parts handles)
4105 (goto-char (point-min))
4106 (or (search-forward "\n\n") (goto-char (point-max)))
4107 (let ((inhibit-read-only t))
4108 (delete-region (point) (point-max))
4109 (mm-display-parts handles))))))
4111 (defun gnus-article-jump-to-part (n)
4112 "Jump to MIME part N."
4114 (pop-to-buffer gnus-article-buffer)
4115 ;; FIXME: why is it necessary?
4117 (let ((parts (length gnus-article-mime-handle-alist)))
4120 (read-string ;; Emacs 21 doesn't have `read-number'.
4121 (format "Jump to part (2..%s): " parts)))))
4122 (unless (and (integerp n) (<= n parts) (>= n 1))
4125 (gnus-message 7 "Invalid part `%s', using %s instead."
4128 (gnus-message 9 "Jumping to part %s." n)
4129 (cond ((>= gnus-auto-select-part 1)
4130 (while (and (<= n parts)
4131 (not (gnus-article-goto-part n)))
4133 ((< gnus-auto-select-part 0)
4134 (while (and (>= n 1)
4135 (not (gnus-article-goto-part n)))
4138 (gnus-article-goto-part n)))))
4141 (defsubst gnus-article-edit-part (handles &optional current-id)
4142 "Edit an article in order to delete a mime part.
4143 This function is exclusively used by `gnus-mime-save-part-and-strip'
4144 and `gnus-mime-delete-part', and not provided at run-time normally."
4145 (gnus-article-edit-article
4147 (buffer-disable-undo)
4149 (let ((mail-parse-charset (or gnus-article-charset
4150 ',gnus-newsgroup-charset))
4151 (mail-parse-ignored-charsets
4152 (or gnus-article-ignored-charsets
4153 ',gnus-newsgroup-ignored-charsets))
4154 (mbl mml-buffer-list))
4155 (setq mml-buffer-list nil)
4156 (insert-buffer-substring gnus-original-article-buffer)
4157 (mime-to-mml ',handles)
4158 (setq gnus-article-mime-handles nil)
4159 (let ((mbl1 mml-buffer-list))
4160 (setq mml-buffer-list mbl)
4161 (set (make-local-variable 'mml-buffer-list) mbl1))
4162 (gnus-make-local-hook 'kill-buffer-hook)
4163 (add-hook 'kill-buffer-hook 'mml-destroy-buffers t t)))
4164 `(lambda (no-highlight)
4165 (let ((mail-parse-charset (or gnus-article-charset
4166 ',gnus-newsgroup-charset))
4167 (message-options message-options)
4168 (message-options-set-recipient)
4169 (mail-parse-ignored-charsets
4170 (or gnus-article-ignored-charsets
4171 ',gnus-newsgroup-ignored-charsets)))
4173 (mml-destroy-buffers)
4174 (remove-hook 'kill-buffer-hook
4175 'mml-destroy-buffers t)
4176 (kill-local-variable 'mml-buffer-list))
4177 (gnus-summary-edit-article-done
4178 ,(or (mail-header-references gnus-current-headers) "")
4179 ,(gnus-group-read-only-p)
4180 ,gnus-summary-buffer no-highlight))
4182 (gnus-article-edit-done)
4183 (gnus-summary-expand-window)
4184 (gnus-summary-show-article)
4185 (when (and current-id (integerp gnus-auto-select-part))
4186 (gnus-article-jump-to-part
4187 (+ current-id gnus-auto-select-part)))))
4189 (defun gnus-mime-save-part-and-strip ()
4190 "Save the MIME part under point then replace it with an external body."
4192 (gnus-article-check-buffer)
4193 (when (gnus-group-read-only-p)
4194 (error "The current group does not support deleting of parts"))
4195 (when (mm-complicated-handles gnus-article-mime-handles)
4197 The current article has a complicated MIME structure, giving up..."))
4198 (let* ((data (get-text-property (point) 'gnus-data))
4199 (id (get-text-property (point) 'gnus-part))
4201 (handles gnus-article-mime-handles))
4202 (setq file (and data (mm-save-part data "Delete MIME part and save to: ")))
4204 (with-current-buffer (mm-handle-buffer data)
4206 (insert "Content-Type: " (mm-handle-media-type data))
4207 (mml-insert-parameter-string (cdr (mm-handle-type data))
4210 (insert "Content-ID: " (message-make-message-id) "\n")
4211 (insert "Content-Transfer-Encoding: binary\n")
4214 (cdr (mm-make-handle nil
4215 `("message/external-body"
4216 (access-type . "LOCAL-FILE")
4218 ;; (set-buffer gnus-summary-buffer)
4219 (gnus-article-edit-part handles id))))
4221 (defun gnus-mime-delete-part ()
4222 "Delete the MIME part under point.
4223 Replace it with some information about the removed part."
4225 (gnus-article-check-buffer)
4226 (when (gnus-group-read-only-p)
4227 (error "The current group does not support deleting of parts"))
4228 (when (mm-complicated-handles gnus-article-mime-handles)
4230 The current article has a complicated MIME structure, giving up..."))
4231 (when (or gnus-expert-user
4232 (gnus-yes-or-no-p "\
4233 Deleting parts may malfunction or destroy the article; continue? "))
4234 (let* ((data (get-text-property (point) 'gnus-data))
4235 (id (get-text-property (point) 'gnus-part))
4236 (handles gnus-article-mime-handles)
4240 (mail-decode-encoded-word-string (or (mm-handle-description data)
4243 (or (mail-content-type-get (mm-handle-disposition data) 'filename)
4245 (type (mm-handle-media-type data)))
4247 (error "No MIME part under point"))
4248 (with-current-buffer (mm-handle-buffer data)
4249 (let ((bsize (format "%s" (buffer-size))))
4254 "| The following attachment has been deleted:\n"
4256 "| Type: " type "\n"
4257 "| Filename: " filename "\n"
4258 "| Size (encoded): " bsize " Byte\n"
4259 "| Description: " description "\n"
4262 (cdr (mm-make-handle
4263 nil `("text/plain") nil nil
4265 (format "Deleted attachment (%s bytes)" bsize))))))
4266 ;; (set-buffer gnus-summary-buffer)
4267 (gnus-article-edit-part handles id))))
4269 (defun gnus-mime-save-part ()
4270 "Save the MIME part under point."
4272 (gnus-article-check-buffer)
4273 (let ((data (get-text-property (point) 'gnus-data)))
4275 (mm-save-part data))))
4277 (defun gnus-mime-pipe-part ()
4278 "Pipe the MIME part under point to a process."
4280 (gnus-article-check-buffer)
4281 (let ((data (get-text-property (point) 'gnus-data)))
4283 (mm-pipe-part data))))
4285 (defun gnus-mime-view-part ()
4286 "Interactively choose a viewing method for the MIME part under point."
4288 (gnus-article-check-buffer)
4289 (let ((data (get-text-property (point) 'gnus-data)))
4291 (setq gnus-article-mime-handles
4293 gnus-article-mime-handles (setq data (copy-sequence data))))
4294 (mm-interactively-view-part data))))
4296 (defun gnus-mime-view-part-as-type-internal ()
4297 (gnus-article-check-buffer)
4298 (let* ((name (mail-content-type-get
4299 (mm-handle-type (get-text-property (point) 'gnus-data))
4301 (def-type (and name (mm-default-file-encoding name))))
4302 (and def-type (cons def-type 0))))
4304 (defun gnus-mime-view-part-as-type (&optional mime-type)
4305 "Choose a MIME media type, and view the part as such."
4308 (setq mime-type (completing-read
4309 "View as MIME type: "
4310 (mapcar #'list (mailcap-mime-types))
4312 (gnus-mime-view-part-as-type-internal))))
4313 (gnus-article-check-buffer)
4314 (let ((handle (get-text-property (point) 'gnus-data)))
4317 (mm-make-handle (mm-handle-buffer handle)
4318 (cons mime-type (cdr (mm-handle-type handle)))
4319 (mm-handle-encoding handle)
4320 (mm-handle-undisplayer handle)
4321 (mm-handle-disposition handle)
4322 (mm-handle-description handle)
4324 (mm-handle-id handle)))
4325 (setq gnus-article-mime-handles
4326 (mm-merge-handles gnus-article-mime-handles handle))
4327 (gnus-mm-display-part handle))))
4329 (defun gnus-mime-copy-part (&optional handle arg)
4330 "Put the MIME part under point into a new buffer.
4331 If `auto-compression-mode' is enabled, compressed files like .gz and .bz2
4333 (interactive (list nil current-prefix-arg))
4334 (gnus-article-check-buffer)
4336 (setq handle (get-text-property (point) 'gnus-data)))
4338 (let ((filename (or (mail-content-type-get (mm-handle-disposition handle)
4340 (mail-content-type-get (mm-handle-disposition handle)
4342 contents dont-decode charset coding-system)
4343 (mm-with-unibyte-buffer
4344 (mm-insert-part handle)
4345 (setq contents (or (condition-case nil
4346 (mm-decompress-buffer filename nil 'sig)
4348 (setq dont-decode t)
4351 (setq filename (cond (filename (file-name-nondirectory filename))
4352 (dont-decode "*raw data*")
4357 (unless (setq charset (mail-content-type-get
4358 (mm-handle-type handle) 'charset))
4359 (unless (setq coding-system (mm-with-unibyte-buffer
4361 (mm-find-buffer-file-coding-system)))
4362 (setq charset gnus-newsgroup-charset))))
4364 (setq charset (or (cdr (assq arg
4365 gnus-summary-show-article-charset-alist))
4366 (mm-read-coding-system "Charset: ")))))
4367 (switch-to-buffer (generate-new-buffer filename))
4368 (if (or coding-system
4370 (setq coding-system (mm-charset-to-coding-system charset))
4371 (not (eq charset 'ascii))))
4373 (mm-enable-multibyte)
4374 (insert (mm-decode-coding-string contents coding-system))
4375 (setq buffer-file-coding-system
4376 (if (boundp 'last-coding-system-used)
4377 (symbol-value 'last-coding-system-used)
4379 (mm-disable-multibyte)
4381 (setq buffer-file-coding-system mm-binary-coding-system))
4382 ;; We do it this way to make `normal-mode' set the appropriate mode.
4385 (setq buffer-file-name (expand-file-name filename))
4387 (setq buffer-file-name nil))
4388 (goto-char (point-min)))))
4390 (defun gnus-mime-print-part (&optional handle filename)
4391 "Print the MIME part under point."
4392 (interactive (list nil (ps-print-preprint current-prefix-arg)))
4393 (gnus-article-check-buffer)
4394 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4395 (contents (and handle (mm-get-part handle)))
4396 (file (mm-make-temp-file (expand-file-name "mm." mm-tmp-directory)))
4397 (printer (mailcap-mime-info (mm-handle-media-type handle) "print")))
4402 (mm-save-part-to-file handle file)
4403 (call-process shell-file-name nil
4404 (generate-new-buffer " *mm*")
4406 shell-command-switch
4408 printer file (mm-handle-type handle))))
4412 (gnus-print-buffer))
4413 (ps-despool filename)))))
4415 (defun gnus-mime-inline-part (&optional handle arg)
4416 "Insert the MIME part under point into the current buffer.
4417 Compressed files like .gz and .bz2 are decompressed."
4418 (interactive (list nil current-prefix-arg))
4419 (gnus-article-check-buffer)
4421 (setq handle (get-text-property (point) 'gnus-data)))
4424 (inhibit-read-only t)
4425 contents charset coding-system)
4426 (if (and (not arg) (mm-handle-undisplayer handle))
4427 (mm-remove-part handle)
4428 (mm-with-unibyte-buffer
4429 (mm-insert-part handle)
4431 (or (mm-decompress-buffer
4432 (or (mail-content-type-get (mm-handle-disposition handle)
4434 (mail-content-type-get (mm-handle-disposition handle)
4440 (unless (setq charset (mail-content-type-get
4441 (mm-handle-type handle) 'charset))
4442 (unless (setq coding-system
4443 (mm-with-unibyte-buffer
4445 (mm-find-buffer-file-coding-system)))
4446 (setq charset gnus-newsgroup-charset))))
4448 (if (mm-handle-undisplayer handle)
4449 (mm-remove-part handle))
4452 gnus-summary-show-article-charset-alist))
4453 (mm-read-coding-system "Charset: "))))
4455 (if (mm-handle-undisplayer handle)
4456 (mm-remove-part handle))))
4460 (if (or coding-system
4463 (mm-charset-to-coding-system charset))
4464 (not (eq coding-system 'ascii))))
4465 (mm-decode-coding-string contents coding-system)
4466 (mm-string-to-multibyte contents)))
4469 (defun gnus-mime-view-part-as-charset (&optional handle arg)
4470 "Insert the MIME part under point into the current buffer using the
4472 (interactive (list nil current-prefix-arg))
4473 (gnus-article-check-buffer)
4474 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4477 (inhibit-read-only t))
4479 (if (mm-handle-undisplayer handle)
4480 (mm-remove-part handle))
4481 (let ((gnus-newsgroup-charset
4483 gnus-summary-show-article-charset-alist))
4484 (mm-read-coding-system "Charset: ")))
4485 (gnus-newsgroup-ignored-charsets 'gnus-all))
4486 (gnus-article-press-button)))))
4488 (defun gnus-mime-view-part-externally (&optional handle)
4489 "View the MIME part under point with an external viewer."
4491 (gnus-article-check-buffer)
4492 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4493 (mm-user-display-methods nil)
4494 (mm-inlined-types nil)
4495 (mail-parse-charset gnus-newsgroup-charset)
4496 (mail-parse-ignored-charsets
4497 (with-current-buffer gnus-summary-buffer
4498 gnus-newsgroup-ignored-charsets)))
4500 (if (mm-handle-undisplayer handle)
4501 (mm-remove-part handle)
4502 (mm-display-part handle)))))
4504 (defun gnus-mime-view-part-internally (&optional handle)
4505 "View the MIME part under point with an internal viewer.
4506 If no internal viewer is available, use an external viewer."
4508 (gnus-article-check-buffer)
4509 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4510 (mm-inlined-types '(".*"))
4511 (mm-inline-large-images t)
4512 (mail-parse-charset gnus-newsgroup-charset)
4513 (mail-parse-ignored-charsets
4514 (with-current-buffer gnus-summary-buffer
4515 gnus-newsgroup-ignored-charsets))
4516 (inhibit-read-only t))
4518 (if (mm-handle-undisplayer handle)
4519 (mm-remove-part handle)
4520 (mm-display-part handle)))))
4522 (defun gnus-mime-action-on-part (&optional action)
4523 "Do something with the MIME attachment at \(point\)."
4525 (list (completing-read "Action: " gnus-mime-action-alist nil t)))
4526 (gnus-article-check-buffer)
4527 (let ((action-pair (assoc action gnus-mime-action-alist)))
4529 (funcall (cdr action-pair)))))
4531 (defun gnus-article-part-wrapper (n function &optional no-handle)
4533 ;; Check whether the article is displayed.
4534 (unless (and (gnus-buffer-live-p gnus-article-buffer)
4535 (setq window (get-buffer-window gnus-article-buffer t))
4536 (frame-visible-p (setq frame (window-frame window))))
4537 (error "No article is displayed"))
4538 (with-current-buffer gnus-article-buffer
4539 ;; Check whether the article displays the right contents.
4540 (unless (with-current-buffer gnus-summary-buffer
4541 (eq gnus-current-article (gnus-summary-article-number)))
4542 (error "You should select the right article first"))
4543 ;; Check whether the specified part exists.
4544 (when (> n (length gnus-article-mime-handle-alist))
4545 (error "No such part")))
4548 ;; To select the window is needed so that the cursor
4549 ;; might be visible on the MIME button.
4550 (select-window (prog1
4552 (setq window (selected-window))
4553 ;; Article may be displayed in the other frame.
4554 (gnus-select-frame-set-input-focus
4557 (setq frame (selected-frame))))))
4558 (when (gnus-article-goto-part n)
4559 ;; We point the cursor and the arrow at the MIME button
4560 ;; when the `function' prompt the user for something.
4561 (let ((cursor-in-non-selected-windows t)
4562 (overlay-arrow-string "=>")
4563 (overlay-arrow-position (point-marker)))
4568 (cdr (assq n gnus-article-mime-handle-alist))))
4569 (set-marker overlay-arrow-position nil)
4570 (unless gnus-auto-select-part
4571 (gnus-select-frame-set-input-focus frame)
4572 (select-window window))))
4574 (if gnus-inhibit-mime-unbuttonizing
4575 ;; This is the default though the program shouldn't reach here.
4576 (error "No such part")
4577 ;; The part which doesn't have the MIME button is selected.
4578 ;; So, we display all the buttons and redo it.
4579 (let ((gnus-inhibit-mime-unbuttonizing t))
4580 (gnus-summary-show-article)
4581 (gnus-article-part-wrapper n function no-handle))))))
4583 (defun gnus-article-pipe-part (n)
4584 "Pipe MIME part N, which is the numerical prefix."
4586 (gnus-article-part-wrapper n 'mm-pipe-part))
4588 (defun gnus-article-save-part (n)
4589 "Save MIME part N, which is the numerical prefix."
4591 (gnus-article-part-wrapper n 'mm-save-part))
4593 (defun gnus-article-interactively-view-part (n)
4594 "View MIME part N interactively, which is the numerical prefix."
4596 (gnus-article-part-wrapper n 'mm-interactively-view-part))
4598 (defun gnus-article-copy-part (n)
4599 "Copy MIME part N, which is the numerical prefix."
4601 (gnus-article-part-wrapper n 'gnus-mime-copy-part))
4603 (defun gnus-article-view-part-as-charset (n)
4604 "View MIME part N using a specified charset.
4605 N is the numerical prefix."
4607 (gnus-article-part-wrapper n 'gnus-mime-view-part-as-charset))
4609 (defun gnus-article-view-part-externally (n)
4610 "View MIME part N externally, which is the numerical prefix."
4612 (gnus-article-part-wrapper n 'gnus-mime-view-part-externally))
4614 (defun gnus-article-inline-part (n)
4615 "Inline MIME part N, which is the numerical prefix."
4617 (gnus-article-part-wrapper n 'gnus-mime-inline-part))
4619 (defun gnus-article-save-part-and-strip (n)
4620 "Save MIME part N and replace it with an external body.
4621 N is the numerical prefix."
4623 (gnus-article-part-wrapper n 'gnus-mime-save-part-and-strip t))
4625 (defun gnus-article-delete-part (n)
4626 "Delete MIME part N and add some information about the removed part.
4627 N is the numerical prefix."
4629 (gnus-article-part-wrapper n 'gnus-mime-delete-part t))
4631 (defun gnus-article-mime-match-handle-first (condition)
4634 (dolist (ihandle gnus-article-mime-handle-alist)
4636 ((functionp condition)
4637 (funcall condition (cdr ihandle)))
4638 ((eq condition 'undisplayed)
4639 (not (or (mm-handle-undisplayer (cdr ihandle))
4640 (equal (mm-handle-media-type (cdr ihandle))
4641 "multipart/alternative"))))
4642 ((eq condition 'undisplayed-alternative)
4643 (not (mm-handle-undisplayer (cdr ihandle))))
4645 (gnus-article-goto-part (car ihandle))
4646 (or (not n) (< (car ihandle) n)))
4647 (setq n (car ihandle))))
4651 (defun gnus-article-view-part (&optional n)
4652 "View MIME part N, which is the numerical prefix."
4654 (with-current-buffer gnus-article-buffer
4655 (or (numberp n) (setq n (gnus-article-mime-match-handle-first
4656 gnus-article-mime-match-handle-function)))
4657 (when (> n (length gnus-article-mime-handle-alist))
4658 (error "No such part"))
4659 (let ((handle (cdr (assq n gnus-article-mime-handle-alist))))
4660 (when (gnus-article-goto-part n)
4661 (if (equal (car handle) "multipart/alternative")
4662 (gnus-article-press-button)
4663 (when (eq (gnus-mm-display-part handle) 'internal)
4664 (gnus-set-window-start)))))))
4666 (defsubst gnus-article-mime-total-parts ()
4667 (if (bufferp (car gnus-article-mime-handles))
4669 (1- (length gnus-article-mime-handles))))
4671 (defun gnus-mm-display-part (handle)
4672 "Display HANDLE and fix MIME button."
4673 (let ((id (get-text-property (point) 'gnus-part))
4675 (inhibit-read-only t))
4678 (let ((window (selected-window))
4679 (mail-parse-charset gnus-newsgroup-charset)
4680 (mail-parse-ignored-charsets
4681 (if (gnus-buffer-live-p gnus-summary-buffer)
4682 (with-current-buffer gnus-summary-buffer
4683 gnus-newsgroup-ignored-charsets)
4687 (let ((win (gnus-get-buffer-window (current-buffer) t))
4690 (select-window win))
4693 (if (mm-handle-displayed-p handle)
4694 ;; This will remove the part.
4695 (mm-display-part handle)
4697 (narrow-to-region (point)
4698 (if (eobp) (point) (1+ (point))))
4699 (mm-display-part handle)
4700 ;; We narrow to the part itself and
4701 ;; then call the treatment functions.
4702 (goto-char (point-min))
4704 (narrow-to-region (point) (point-max))
4707 (gnus-article-mime-total-parts)
4708 (mm-handle-media-type handle)))))
4709 (if (window-live-p window)
4710 (select-window window)))))
4713 (gnus-insert-mime-button
4714 handle id (list (mm-handle-displayed-p handle)))
4715 (goto-char point))))
4717 (defun gnus-article-goto-part (n)
4718 "Go to MIME part N."
4719 (gnus-goto-char (text-property-any (point-min) (point-max) 'gnus-part n)))
4721 (defun gnus-insert-mime-button (handle gnus-tmp-id &optional displayed)
4722 (let ((gnus-tmp-name
4723 (or (mail-content-type-get (mm-handle-type handle) 'name)
4724 (mail-content-type-get (mm-handle-disposition handle) 'filename)
4725 (mail-content-type-get (mm-handle-type handle) 'url)
4727 (gnus-tmp-type (mm-handle-media-type handle))
4728 (gnus-tmp-description
4729 (mail-decode-encoded-word-string (or (mm-handle-description handle)
4732 (if (if displayed (car displayed)
4733 (mm-handle-displayed-p handle))
4735 (gnus-tmp-length (with-current-buffer (mm-handle-buffer handle)
4737 gnus-tmp-type-long b e)
4738 (when (string-match ".*/" gnus-tmp-name)
4739 (setq gnus-tmp-name (replace-match "" t t gnus-tmp-name)))
4740 (setq gnus-tmp-type-long (concat gnus-tmp-type
4741 (and (not (equal gnus-tmp-name ""))
4742 (concat "; " gnus-tmp-name))))
4743 (unless (equal gnus-tmp-description "")
4744 (setq gnus-tmp-type-long (concat " --- " gnus-tmp-type-long)))
4749 gnus-mime-button-line-format gnus-mime-button-line-format-alist
4750 `(keymap ,gnus-mime-button-map
4751 gnus-callback gnus-mm-display-part
4752 gnus-part ,gnus-tmp-id
4753 article-type annotation
4756 ;; Exclude a newline.
4759 (widget-convert-button
4762 :action 'gnus-widget-press-button
4763 :button-keymap gnus-mime-button-map
4765 (lambda (widget/window &optional overlay pos)
4766 ;; Needed to properly clear the message due to a bug in
4767 ;; wid-edit (XEmacs only).
4768 (if (boundp 'help-echo-owns-message)
4769 (setq help-echo-owns-message t))
4771 "%S: %s the MIME part; %S: more options"
4772 (aref gnus-mouse-2 0)
4773 ;; XEmacs will get a single widget arg; Emacs 21 will get
4774 ;; window, overlay, position.
4775 (if (mm-handle-displayed-p
4777 (with-current-buffer (gnus-overlay-buffer overlay)
4778 (widget-get (widget-at (gnus-overlay-start overlay))
4780 (widget-get widget/window :mime-handle)))
4782 (aref gnus-down-mouse-3 0))))))
4784 (defun gnus-widget-press-button (elems el)
4785 (goto-char (widget-get elems :from))
4786 (gnus-article-press-button))
4788 (defvar gnus-displaying-mime nil)
4790 (defun gnus-display-mime (&optional ihandles)
4791 "Display the MIME parts."
4793 (save-selected-window
4794 (let ((window (get-buffer-window gnus-article-buffer))
4797 (select-window window)
4798 ;; We have to do this since selecting the window
4799 ;; may change the point. So we set the window point.
4800 (set-window-point window point)))
4801 (let ((handles ihandles)
4802 (inhibit-read-only t)
4805 ((setq handles (mm-dissect-buffer nil gnus-article-loose-mime))
4806 (when gnus-article-emulate-mime
4807 (mm-uu-dissect-text-parts handles)))
4808 (gnus-article-emulate-mime
4809 (setq handles (mm-uu-dissect))))
4810 (when (and (not ihandles)
4811 (not gnus-displaying-mime))
4812 ;; Top-level call; we clean up.
4813 (when gnus-article-mime-handles
4814 (mm-destroy-parts gnus-article-mime-handles)
4815 (setq gnus-article-mime-handle-alist nil));; A trick.
4816 (setq gnus-article-mime-handles handles)
4817 ;; We allow users to glean info from the handles.
4818 (when gnus-article-mime-part-function
4819 (gnus-mime-part-function handles)))
4821 (or (not (stringp (car handles)))
4824 (when (and (not ihandles)
4825 (not gnus-displaying-mime))
4826 ;; Clean up for mime parts.
4828 (delete-region (point) (point-max)))
4829 (let ((gnus-displaying-mime t))
4830 (gnus-mime-display-part handles)))
4833 (narrow-to-region (point) (point-max))
4834 (gnus-treat-article nil 1 1)
4837 ;; Highlight the headers.
4841 (narrow-to-region (point-min) (point))
4842 (gnus-article-save-original-date
4843 (gnus-treat-article 'head)))))))))
4845 (defcustom gnus-mime-display-multipart-as-mixed nil
4846 "Display \"multipart\" parts as \"multipart/mixed\".
4848 If t, it overrides nil values of
4849 `gnus-mime-display-multipart-alternative-as-mixed' and
4850 `gnus-mime-display-multipart-related-as-mixed'."
4851 :group 'gnus-article-mime
4854 (defcustom gnus-mime-display-multipart-alternative-as-mixed nil
4855 "Display \"multipart/alternative\" parts as \"multipart/mixed\"."
4857 :group 'gnus-article-mime
4860 (defcustom gnus-mime-display-multipart-related-as-mixed nil
4861 "Display \"multipart/related\" parts as \"multipart/mixed\".
4863 If displaying \"text/html\" is discouraged \(see
4864 `mm-discouraged-alternatives'\) images or other material inside a
4865 \"multipart/related\" part might be overlooked when this variable is nil."
4867 :group 'gnus-article-mime
4870 (defun gnus-mime-display-part (handle)
4873 ((not (stringp (car handle)))
4874 (gnus-mime-display-single handle))
4875 ;; User-defined multipart
4876 ((cdr (assoc (car handle) gnus-mime-multipart-functions))
4877 (funcall (cdr (assoc (car handle) gnus-mime-multipart-functions))
4879 ;; multipart/alternative
4880 ((and (equal (car handle) "multipart/alternative")
4881 (not (or gnus-mime-display-multipart-as-mixed
4882 gnus-mime-display-multipart-alternative-as-mixed)))
4883 (let ((id (1+ (length gnus-article-mime-handle-alist))))
4884 (push (cons id handle) gnus-article-mime-handle-alist)
4885 (gnus-mime-display-alternative (cdr handle) nil nil id)))
4886 ;; multipart/related
4887 ((and (equal (car handle) "multipart/related")
4888 (not (or gnus-mime-display-multipart-as-mixed
4889 gnus-mime-display-multipart-related-as-mixed)))
4890 ;;;!!!We should find the start part, but we just default
4891 ;;;!!!to the first part.
4892 ;;(gnus-mime-display-part (cadr handle))
4893 ;;;!!! Most multipart/related is an HTML message plus images.
4894 ;;;!!! Unfortunately we are unable to let W3 display those
4895 ;;;!!! included images, so we just display it as a mixed multipart.
4896 ;;(gnus-mime-display-mixed (cdr handle))
4897 ;;;!!! No, w3 can display everything just fine.
4898 (gnus-mime-display-part (cadr handle)))
4899 ((equal (car handle) "multipart/signed")
4900 (gnus-add-wash-type 'signed)
4901 (gnus-mime-display-security handle))
4902 ((equal (car handle) "multipart/encrypted")
4903 (gnus-add-wash-type 'encrypted)
4904 (gnus-mime-display-security handle))
4905 ;; Other multiparts are handled like multipart/mixed.
4907 (gnus-mime-display-mixed (cdr handle)))))
4909 (defun gnus-mime-part-function (handles)
4910 (if (stringp (car handles))
4911 (mapcar 'gnus-mime-part-function (cdr handles))
4912 (funcall gnus-article-mime-part-function handles)))
4914 (defun gnus-mime-display-mixed (handles)
4915 (mapcar 'gnus-mime-display-part handles))
4917 (defun gnus-mime-display-single (handle)
4918 (let ((type (mm-handle-media-type handle))
4919 (ignored gnus-ignored-mime-types)
4926 (when (string-match (pop ignored) type)
4927 (throw 'ignored nil)))
4928 (if (and (setq not-attachment
4929 (and (not (mm-inline-override-p handle))
4930 (or (not (mm-handle-disposition handle))
4931 (equal (car (mm-handle-disposition handle))
4933 (mm-attachment-override-p handle))))
4934 (mm-automatic-display-p handle)
4936 (mm-inlinable-p handle)
4937 (mm-inlined-p handle))
4938 (mm-automatic-external-display-p type)))
4940 (when (equal (mm-handle-media-supertype handle) "text")
4942 (let ((id (1+ (length gnus-article-mime-handle-alist)))
4944 (push (cons id handle) gnus-article-mime-handle-alist)
4945 (when (or (not display)
4946 (not (gnus-unbuttonized-mime-type-p type)))
4947 (gnus-insert-mime-button
4948 handle id (list (or display (and not-attachment text))))
4949 (gnus-article-insert-newline)
4950 ;; Remember modify the number of forward lines.
4958 (let ((mail-parse-charset gnus-newsgroup-charset)
4959 (mail-parse-ignored-charsets
4960 (save-excursion (condition-case ()
4961 (set-buffer gnus-summary-buffer)
4963 gnus-newsgroup-ignored-charsets)))
4964 (mm-display-part handle t))
4965 (goto-char (point-max)))
4966 ((and text not-attachment)
4970 (gnus-article-insert-newline)
4971 (mm-display-inline handle)
4972 (goto-char (point-max))))
4976 (narrow-to-region beg (point))
4979 (gnus-article-mime-total-parts)
4980 (mm-handle-media-type handle)))))))))
4982 (defun gnus-unbuttonized-mime-type-p (type)
4983 "Say whether TYPE is to be unbuttonized."
4984 (unless gnus-inhibit-mime-unbuttonizing
4986 (let ((types gnus-unbuttonized-mime-types))
4988 (when (string-match (pop types) type)
4989 (throw 'found t)))))
4991 (let ((types gnus-buttonized-mime-types))
4993 (when (string-match (pop types) type)
4994 (throw 'found t)))))))))
4996 (defun gnus-article-insert-newline ()
4997 "Insert a newline, but mark it as undeletable."
4998 (gnus-put-text-property
4999 (point) (progn (insert "\n") (point)) 'gnus-undeletable t))
5001 (defun gnus-mime-display-alternative (handles &optional preferred ibegend id)
5002 (let* ((preferred (or preferred (mm-preferred-alternative handles)))
5005 handle (inhibit-read-only t) from props begend not-pref)
5006 (save-window-excursion
5009 (narrow-to-region (car ibegend)
5012 (goto-char (car ibegend))
5015 (delete-region (point-min) (point-max))
5016 (mm-remove-parts handles))
5017 (setq begend (list (point-marker)))
5019 (unless (setq not-pref (cadr (member preferred ihandles)))
5020 (setq not-pref (car ihandles)))
5023 (not (gnus-unbuttonized-mime-type-p
5024 "multipart/alternative")))
5025 (gnus-add-text-properties
5028 (insert (format "%d. " id))
5032 (unless ,(not ibegend)
5033 (setq gnus-article-mime-handle-alist
5034 ',gnus-article-mime-handle-alist))
5035 (gnus-mime-display-alternative
5036 ',ihandles ',not-pref ',begend ,id))
5037 keymap ,gnus-mime-button-map
5038 ,gnus-mouse-face-prop ,gnus-article-mouse-face
5039 face ,gnus-article-button-face
5042 (widget-convert-button 'link from (point)
5043 :action 'gnus-widget-press-button
5044 :button-keymap gnus-widget-button-keymap)
5046 (while (setq handle (pop handles))
5047 (gnus-add-text-properties
5050 (insert (format "(%c) %-18s"
5051 (if (equal handle preferred) ?* ? )
5052 (mm-handle-media-type handle)))
5056 (unless ,(not ibegend)
5057 (setq gnus-article-mime-handle-alist
5058 ',gnus-article-mime-handle-alist))
5059 (gnus-mime-display-alternative
5060 ',ihandles ',handle ',begend ,id))
5061 keymap ,gnus-mime-button-map
5062 ,gnus-mouse-face-prop ,gnus-article-mouse-face
5063 face ,gnus-article-button-face
5066 (widget-convert-button 'link from (point)
5067 :action 'gnus-widget-press-button
5068 :button-keymap gnus-widget-button-keymap)
5072 (if (stringp (car preferred))
5073 (gnus-display-mime preferred)
5074 (let ((mail-parse-charset gnus-newsgroup-charset)
5075 (mail-parse-ignored-charsets
5076 (with-current-buffer gnus-summary-buffer
5077 gnus-newsgroup-ignored-charsets)))
5078 (mm-display-part preferred)
5082 (narrow-to-region (car begend) (point-max))
5084 nil (length gnus-article-mime-handle-alist)
5085 (gnus-article-mime-total-parts)
5086 (mm-handle-media-type handle))))))
5087 (goto-char (point-max))
5088 (setcdr begend (point-marker)))))
5090 (goto-char point))))
5092 (defconst gnus-article-wash-status-strings
5093 (let ((alist '((cite "c" "Possible hidden citation text"
5094 " " "All citation text visible")
5095 (headers "h" "Hidden headers"
5096 " " "All headers visible.")
5097 (pgp "p" "Encrypted or signed message status hidden"
5098 " " "No hidden encryption nor digital signature status")
5099 (signature "s" "Signature has been hidden"
5100 " " "Signature is visible")
5101 (overstrike "o" "Overstrike (^H) characters applied"
5102 " " "No overstrike characters applied")
5103 (emphasis "e" "/*_Emphasis_*/ characters applied"
5104 " " "No /*_emphasis_*/ characters applied")))
5106 (dolist (entry alist result)
5107 (let ((key (nth 0 entry))
5108 (on (copy-sequence (nth 1 entry)))
5109 (on-help (nth 2 entry))
5110 (off (copy-sequence (nth 3 entry)))
5111 (off-help (nth 4 entry)))
5112 (put-text-property 0 1 'help-echo on-help on)
5113 (put-text-property 0 1 'help-echo off-help off)
5114 (push (list key on off) result))))
5115 "Alist of strings describing wash status in the mode line.
5116 Each entry has the form (KEY ON OF), where the KEY is a symbol
5117 representing the particular washing function, ON is the string to use
5118 in the article mode line when the washing function is active, and OFF
5119 is the string to use when it is inactive.")
5121 (defun gnus-article-wash-status-entry (key value)
5122 (let ((entry (assoc key gnus-article-wash-status-strings)))
5123 (if value (nth 1 entry) (nth 2 entry))))
5125 (defun gnus-article-wash-status ()
5126 "Return a string which display status of article washing."
5127 (with-current-buffer gnus-article-buffer
5128 (let ((cite (memq 'cite gnus-article-wash-types))
5129 (headers (memq 'headers gnus-article-wash-types))
5130 (boring (memq 'boring-headers gnus-article-wash-types))
5131 (pgp (memq 'pgp gnus-article-wash-types))
5132 (pem (memq 'pem gnus-article-wash-types))
5133 (signed (memq 'signed gnus-article-wash-types))
5134 (encrypted (memq 'encrypted gnus-article-wash-types))
5135 (signature (memq 'signature gnus-article-wash-types))
5136 (overstrike (memq 'overstrike gnus-article-wash-types))
5137 (emphasis (memq 'emphasis gnus-article-wash-types)))
5139 (gnus-article-wash-status-entry 'cite cite)
5140 (gnus-article-wash-status-entry 'headers (or headers boring))
5141 (gnus-article-wash-status-entry 'pgp (or pgp pem signed encrypted))
5142 (gnus-article-wash-status-entry 'signature signature)
5143 (gnus-article-wash-status-entry 'overstrike overstrike)
5144 (gnus-article-wash-status-entry 'emphasis emphasis)))))
5146 (defun gnus-add-wash-type (type)
5147 "Add a washing of TYPE to the current status."
5148 (add-to-list 'gnus-article-wash-types type))
5150 (defun gnus-delete-wash-type (type)
5151 "Add a washing of TYPE to the current status."
5152 (setq gnus-article-wash-types (delq type gnus-article-wash-types)))
5154 (defun gnus-add-image (category image)
5155 "Add IMAGE of CATEGORY to the list of displayed images."
5156 (let ((entry (assq category gnus-article-image-alist)))
5158 (setq entry (list category))
5159 (push entry gnus-article-image-alist))
5160 (nconc entry (list image))))
5162 (defun gnus-delete-images (category)
5163 "Delete all images in CATEGORY."
5164 (let ((entry (assq category gnus-article-image-alist)))
5165 (dolist (image (cdr entry))
5166 (gnus-remove-image image category))
5167 (setq gnus-article-image-alist (delq entry gnus-article-image-alist))
5168 (gnus-delete-wash-type category)))
5170 (defalias 'gnus-article-hide-headers-if-wanted 'gnus-article-maybe-hide-headers)
5172 (defun gnus-article-maybe-hide-headers ()
5173 "Hide unwanted headers if `gnus-have-all-headers' is nil.
5174 Provided for backwards compatibility."
5175 (when (and (or (not (gnus-buffer-live-p gnus-summary-buffer))
5176 (not (with-current-buffer gnus-summary-buffer
5177 gnus-have-all-headers)))
5178 (not gnus-inhibit-hiding))
5179 (gnus-article-hide-headers)))
5183 (defun gnus-output-to-file (file-name)
5184 "Append the current article to a file named FILE-NAME."
5185 (let ((artbuf (current-buffer)))
5187 (insert-buffer-substring artbuf)
5188 ;; Append newline at end of the buffer as separator, and then
5190 (goto-char (point-max))
5192 (let ((file-name-coding-system nnmail-pathname-coding-system))
5193 (mm-append-to-file (point-min) (point-max) file-name))
5196 (defun gnus-narrow-to-page (&optional arg)
5197 "Narrow the article buffer to a page.
5198 If given a numerical ARG, move forward ARG pages."
5200 (setq arg (if arg (prefix-numeric-value arg) 0))
5202 (set-buffer gnus-article-buffer)
5203 (goto-char (point-min))
5205 ;; Remove any old next/prev buttons.
5206 (when (gnus-visual-p 'page-marker)
5207 (let ((inhibit-read-only t))
5208 (gnus-remove-text-with-property 'gnus-prev)
5209 (gnus-remove-text-with-property 'gnus-next)))
5212 (re-search-backward page-delimiter nil 'move (1+ (abs arg))))
5214 (re-search-forward page-delimiter nil 'move arg)))
5215 (goto-char (match-end 0))
5217 (goto-char (point-min))
5218 (setq gnus-page-broken
5219 (and (re-search-forward page-delimiter nil t) t))))
5220 (when gnus-page-broken
5223 (if (re-search-forward page-delimiter nil 'move)
5226 (when (and (gnus-visual-p 'page-marker)
5227 (> (point-min) (save-restriction (widen) (point-min))))
5229 (goto-char (point-min))
5230 (gnus-insert-prev-page-button)))
5231 (when (and (gnus-visual-p 'page-marker)
5232 (< (point-max) (save-restriction (widen) (point-max))))
5234 (goto-char (point-max))
5235 (gnus-insert-next-page-button))))))
5237 ;; Article mode commands
5239 (defun gnus-article-goto-next-page ()
5240 "Show the next page of the article."
5242 (when (gnus-article-next-page)
5243 (goto-char (point-min))
5244 (gnus-article-read-summary-keys nil (gnus-character-to-event ?n))))
5247 (defun gnus-article-goto-prev-page ()
5248 "Show the previous page of the article."
5251 (gnus-article-read-summary-keys nil (gnus-character-to-event ?p))
5252 (gnus-article-prev-page nil)))
5254 ;; This is cleaner but currently breaks `gnus-pick-mode':
5256 ;; (defun gnus-article-goto-next-page ()
5257 ;; "Show the next page of the article."
5259 ;; (gnus-eval-in-buffer-window gnus-summary-buffer
5260 ;; (gnus-summary-next-page)))
5262 ;; (defun gnus-article-goto-prev-page ()
5263 ;; "Show the next page of the article."
5265 ;; (gnus-eval-in-buffer-window gnus-summary-buffer
5266 ;; (gnus-summary-prev-page)))
5268 (defun gnus-article-next-page (&optional lines)
5269 "Show the next page of the current article.
5270 If end of article, return non-nil. Otherwise return nil.
5271 Argument LINES specifies lines to be scrolled up."
5273 (move-to-window-line -1)
5276 (and (pos-visible-in-window-p) ;Not continuation line.
5277 (>= (1+ (point)) (point-max)))) ;Allow for trailing newline.
5278 ;; Nothing in this page.
5279 (if (or (not gnus-page-broken)
5284 (eobp)))) ;Real end-of-buffer?
5286 (when gnus-article-over-scroll
5287 (gnus-article-next-page-1 lines))
5289 (gnus-narrow-to-page 1) ;Go to next page.
5291 ;; More in this page.
5292 (gnus-article-next-page-1 lines)
5295 (defmacro gnus-article-beginning-of-window ()
5296 "Move point to the beginning of the window.
5297 In Emacs, the point is placed at the line number which `scroll-margin'
5299 (if (featurep 'xemacs)
5300 '(move-to-window-line 0)
5301 '(move-to-window-line
5302 (min (max 0 scroll-margin)
5303 (max 1 (- (window-height)
5304 (if mode-line-format 1 0)
5305 (if header-line-format 1 0)))))))
5307 (defun gnus-article-next-page-1 (lines)
5308 (when (and (not (featurep 'xemacs))
5311 (numberp (symbol-value 'scroll-margin))
5312 (> (symbol-value 'scroll-margin) 0))
5313 ;; Protect against the bug that Emacs 21.x hangs up when scrolling up for
5314 ;; too many number of lines if `scroll-margin' is set as two or greater.
5315 (setq lines (min lines
5316 (max 0 (- (count-lines (window-start) (point-max))
5317 (symbol-value 'scroll-margin))))))
5319 (let ((scroll-in-place nil))
5322 ;; Long lines may cause an end-of-buffer error.
5323 (goto-char (point-max))))
5324 (gnus-article-beginning-of-window))
5326 (defun gnus-article-prev-page (&optional lines)
5327 "Show previous page of current article.
5328 Argument LINES specifies lines to be scrolled down."
5330 (move-to-window-line 0)
5331 (if (and gnus-page-broken
5333 (not (save-restriction (widen) (bobp)))) ;Real beginning-of-buffer?
5335 (gnus-narrow-to-page -1) ;Go to previous page.
5336 (goto-char (point-max))
5340 (let ((scroll-in-place nil))
5341 (scroll-down lines))
5342 (beginning-of-buffer
5343 (goto-char (point-min))))
5344 (gnus-article-beginning-of-window))))
5346 (defun gnus-article-only-boring-p ()
5347 "Decide whether there is only boring text remaining in the article.
5348 Something \"interesting\" is a word of at least two letters that does
5349 not have a face in `gnus-article-boring-faces'."
5350 (when (and gnus-article-skip-boring
5351 (boundp 'gnus-article-boring-faces)
5352 (symbol-value 'gnus-article-boring-faces))
5355 (while (re-search-forward "\\b\\w\\w" nil t)
5357 (when (not (gnus-intersection
5358 (gnus-faces-at (point))
5359 (symbol-value 'gnus-article-boring-faces)))
5360 (throw 'only-boring nil)))
5361 (throw 'only-boring t)))))
5363 (defun gnus-article-refer-article ()
5364 "Read article specified by message-id around point."
5367 (re-search-backward "[ \t]\\|^" (point-at-bol) t)
5368 (re-search-forward "<?news:<?\\|<" (point-at-eol) t)
5369 (if (re-search-forward "[^@ ]+@[^ \t>]+" (point-at-eol) t)
5370 (let ((msg-id (concat "<" (match-string 0) ">")))
5371 (set-buffer gnus-summary-buffer)
5372 (gnus-summary-refer-article msg-id))
5373 (error "No references around point"))))
5375 (defun gnus-article-show-summary ()
5376 "Reconfigure windows to show summary buffer."
5378 (if (not (gnus-buffer-live-p gnus-summary-buffer))
5379 (error "There is no summary buffer for this article buffer")
5380 (gnus-article-set-globals)
5381 (gnus-configure-windows 'article)
5382 (gnus-summary-goto-subject gnus-current-article)
5383 (gnus-summary-position-point)))
5385 (defun gnus-article-describe-briefly ()
5386 "Describe article mode commands briefly."
5388 (gnus-message 6 (substitute-command-keys "\\<gnus-article-mode-map>\\[gnus-article-goto-next-page]:Next page \\[gnus-article-goto-prev-page]:Prev page \\[gnus-article-show-summary]:Show summary \\[gnus-info-find-node]:Run Info \\[gnus-article-describe-briefly]:This help")))
5390 (defun gnus-article-summary-command ()
5391 "Execute the last keystroke in the summary buffer."
5393 (let ((obuf (current-buffer))
5394 (owin (current-window-configuration))
5396 (switch-to-buffer gnus-article-current-summary 'norecord)
5397 (setq func (lookup-key (current-local-map) (this-command-keys)))
5398 (call-interactively func)
5400 (set-window-configuration owin)
5401 (set-window-point (get-buffer-window (current-buffer)) (point))))
5403 (defun gnus-article-summary-command-nosave ()
5404 "Execute the last keystroke in the summary buffer."
5407 (pop-to-buffer gnus-article-current-summary 'norecord)
5408 (setq func (lookup-key (current-local-map) (this-command-keys)))
5409 (call-interactively func)))
5411 (defun gnus-article-check-buffer ()
5412 "Beep if not in an article buffer."
5413 (unless (equal major-mode 'gnus-article-mode)
5414 (error "Command invoked outside of a Gnus article buffer")))
5416 (defun gnus-article-read-summary-keys (&optional arg key not-restore-window)
5417 "Read a summary buffer key sequence and execute it from the article buffer."
5419 (gnus-article-check-buffer)
5421 '("q" "Q" "c" "r" "\C-c\C-f" "m" "a" "f"
5422 "Zc" "ZC" "ZE" "ZQ" "ZZ" "Zn" "ZR" "ZG" "ZN" "ZP"
5423 "=" "^" "\M-^" "|"))
5429 '("n" "Gn" "p" "Gp"))
5432 (set-buffer gnus-article-current-summary)
5433 (let (gnus-pick-mode)
5434 (push (or key last-command-event) unread-command-events)
5435 (setq keys (if (featurep 'xemacs)
5436 (events-to-keys (read-key-sequence nil))
5437 (read-key-sequence nil)))))
5441 (if (or (member keys nosaves)
5442 (member keys nosave-but-article)
5443 (member keys nosave-in-article))
5445 (save-window-excursion
5446 (pop-to-buffer gnus-article-current-summary 'norecord)
5447 ;; We disable the pick minor mode commands.
5448 (let (gnus-pick-mode)
5449 (setq func (lookup-key (current-local-map) keys))))
5453 (unless (member keys nosave-in-article)
5454 (set-buffer gnus-article-current-summary))
5455 (call-interactively func)
5456 (setq new-sum-point (point)))
5457 (when (member keys nosave-but-article)
5458 (pop-to-buffer gnus-article-buffer 'norecord)))
5459 ;; These commands should restore window configuration.
5460 (let ((obuf (current-buffer))
5461 (owin (current-window-configuration))
5463 win func in-buffer selected new-sum-start new-sum-hscroll)
5464 (cond (not-restore-window
5465 (pop-to-buffer gnus-article-current-summary 'norecord))
5466 ((setq win (get-buffer-window gnus-article-current-summary))
5467 (select-window win))
5469 (switch-to-buffer gnus-article-current-summary 'norecord)))
5470 (setq in-buffer (current-buffer))
5471 ;; We disable the pick minor mode commands.
5472 (if (and (setq func (let (gnus-pick-mode)
5473 (lookup-key (current-local-map) keys)))
5476 (call-interactively func)
5477 (when (eq win (selected-window))
5478 (setq new-sum-point (point)
5479 new-sum-start (window-start win)
5480 new-sum-hscroll (window-hscroll win)))
5481 (when (eq in-buffer (current-buffer))
5482 (setq selected (gnus-summary-select-article))
5484 (unless not-restore-window
5485 (set-window-configuration owin))
5486 (when (eq selected 'old)
5488 (set-window-start (get-buffer-window (current-buffer))
5490 (set-window-point (get-buffer-window (current-buffer))
5492 (when (and (not not-restore-window)
5494 (set-window-point win new-sum-point)
5495 (set-window-start win new-sum-start)
5496 (set-window-hscroll win new-sum-hscroll))))
5497 (set-window-configuration owin)
5500 (defun gnus-article-describe-key (key)
5501 "Display documentation of the function invoked by KEY. KEY is a string."
5502 (interactive "kDescribe key: ")
5503 (gnus-article-check-buffer)
5504 (if (eq (key-binding key) 'gnus-article-read-summary-keys)
5506 (set-buffer gnus-article-current-summary)
5507 (let (gnus-pick-mode)
5508 (if (featurep 'xemacs)
5510 (push (elt key 0) unread-command-events)
5511 (setq key (events-to-keys
5512 (read-key-sequence "Describe key: "))))
5513 (setq unread-command-events
5515 (lambda (x) (if (>= x 128) (list 'meta (- x 128)) x))
5516 (string-to-list key)))
5517 (setq key (read-key-sequence "Describe key: "))))
5519 (describe-key key)))
5521 (defun gnus-article-describe-key-briefly (key &optional insert)
5522 "Display documentation of the function invoked by KEY. KEY is a string."
5523 (interactive "kDescribe key: \nP")
5524 (gnus-article-check-buffer)
5525 (if (eq (key-binding key) 'gnus-article-read-summary-keys)
5527 (set-buffer gnus-article-current-summary)
5528 (let (gnus-pick-mode)
5529 (if (featurep 'xemacs)
5531 (push (elt key 0) unread-command-events)
5532 (setq key (events-to-keys
5533 (read-key-sequence "Describe key: "))))
5534 (setq unread-command-events
5536 (lambda (x) (if (>= x 128) (list 'meta (- x 128)) x))
5537 (string-to-list key)))
5538 (setq key (read-key-sequence "Describe key: "))))
5539 (describe-key-briefly key insert))
5540 (describe-key-briefly key insert)))
5542 (defun gnus-article-reply-with-original (&optional wide)
5543 "Start composing a reply mail to the current message.
5544 The text in the region will be yanked. If the region isn't active,
5545 the entire article will be yanked."
5547 (let ((article (cdr gnus-article-current))
5549 (if (not (gnus-region-active-p))
5550 (with-current-buffer gnus-summary-buffer
5551 (gnus-summary-reply (list (list article)) wide))
5552 (setq contents (buffer-substring (point) (mark t)))
5553 ;; Deactivate active regions.
5554 (when (and (boundp 'transient-mark-mode)
5555 transient-mark-mode)
5556 (setq mark-active nil))
5557 (with-current-buffer gnus-summary-buffer
5559 (list (list article contents)) wide)))))
5561 (defun gnus-article-followup-with-original ()
5562 "Compose a followup to the current article.
5563 The text in the region will be yanked. If the region isn't active,
5564 the entire article will be yanked."
5566 (let ((article (cdr gnus-article-current))
5568 (if (not (gnus-region-active-p))
5569 (with-current-buffer gnus-summary-buffer
5570 (gnus-summary-followup (list (list article))))
5571 (setq contents (buffer-substring (point) (mark t)))
5572 ;; Deactivate active regions.
5573 (when (and (boundp 'transient-mark-mode)
5574 transient-mark-mode)
5575 (setq mark-active nil))
5576 (with-current-buffer gnus-summary-buffer
5577 (gnus-summary-followup
5578 (list (list article contents)))))))
5580 (defun gnus-article-hide (&optional arg force)
5581 "Hide all the gruft in the current article.
5582 This means that signatures, cited text and (some) headers will be
5584 If given a prefix, show the hidden text instead."
5585 (interactive (append (gnus-article-hidden-arg) (list 'force)))
5586 (gnus-article-hide-headers arg)
5587 (gnus-article-hide-list-identifiers arg)
5588 (gnus-article-hide-citation-maybe arg force)
5589 (gnus-article-hide-signature arg))
5591 (defun gnus-article-maybe-highlight ()
5592 "Do some article highlighting if article highlighting is requested."
5593 (when (gnus-visual-p 'article-highlight 'highlight)
5594 (gnus-article-highlight-some)))
5596 (defun gnus-check-group-server ()
5597 ;; Make sure the connection to the server is alive.
5598 (unless (gnus-server-opened
5599 (gnus-find-method-for-group gnus-newsgroup-name))
5600 (gnus-check-server (gnus-find-method-for-group gnus-newsgroup-name))
5601 (gnus-request-group gnus-newsgroup-name t)))
5604 (autoload 'nneething-get-file-name "nneething"))
5606 (defun gnus-request-article-this-buffer (article group)
5607 "Get an article and insert it into this buffer."
5608 (let (do-update-line sparse-header)
5612 (gnus-kill-all-overlays)
5613 (setq group (or group gnus-newsgroup-name))
5615 ;; Using `gnus-request-article' directly will insert the article into
5616 ;; `nntp-server-buffer' - so we'll save some time by not having to
5617 ;; copy it from the server buffer into the article buffer.
5619 ;; We only request an article by message-id when we do not have the
5620 ;; headers for it, so we'll have to get those.
5621 (when (stringp article)
5622 (gnus-read-header article))
5624 ;; If the article number is negative, that means that this article
5625 ;; doesn't belong in this newsgroup (possibly), so we find its
5626 ;; message-id and request it by id instead of number.
5627 (when (and (numberp article)
5629 (get-buffer gnus-summary-buffer)
5630 (gnus-buffer-exists-p gnus-summary-buffer))
5632 (set-buffer gnus-summary-buffer)
5633 (let ((header (gnus-summary-article-header article)))
5636 ((memq article gnus-newsgroup-sparse)
5637 ;; This is a sparse gap article.
5638 (setq do-update-line article)
5639 (setq article (mail-header-id header))
5640 (setq sparse-header (gnus-read-header article))
5641 (setq gnus-newsgroup-sparse
5642 (delq article gnus-newsgroup-sparse)))
5644 ;; It's a real article.
5645 (setq article (mail-header-id header)))
5647 ;; It is an extracted pseudo-article.
5648 (setq article 'pseudo)
5649 (gnus-request-pseudo-article header))))
5651 (let ((method (gnus-find-method-for-group
5652 gnus-newsgroup-name)))
5653 (when (and (eq (car method) 'nneething)
5655 (let ((dir (nneething-get-file-name
5656 (mail-header-id header))))
5657 (when (and (stringp dir)
5658 (file-directory-p dir))
5659 (setq article 'nneething)
5660 (gnus-group-enter-directory dir))))))))
5663 ;; Refuse to select canceled articles.
5664 ((and (numberp article)
5666 (get-buffer gnus-summary-buffer)
5667 (gnus-buffer-exists-p gnus-summary-buffer)
5668 (eq (cdr (with-current-buffer gnus-summary-buffer
5669 (assq article gnus-newsgroup-reads)))
5670 gnus-canceled-mark))
5672 ;; We first check `gnus-original-article-buffer'.
5673 ((and (get-buffer gnus-original-article-buffer)
5675 (with-current-buffer gnus-original-article-buffer
5676 (and (equal (car gnus-original-article) group)
5677 (eq (cdr gnus-original-article) article))))
5678 (insert-buffer-substring gnus-original-article-buffer)
5680 ;; Check the backlog.
5681 ((and gnus-keep-backlog
5682 (gnus-backlog-request-article group article (current-buffer)))
5684 ;; Check asynchronous pre-fetch.
5685 ((gnus-async-request-fetched-article group article (current-buffer))
5686 (gnus-async-prefetch-next group article gnus-summary-buffer)
5687 (when (and (numberp article) gnus-keep-backlog)
5688 (gnus-backlog-enter-article group article (current-buffer)))
5691 ((and gnus-use-cache
5693 (gnus-cache-request-article article group))
5695 ;; Check the agent cache.
5696 ((gnus-agent-request-article article group)
5698 ;; Get the article and put into the article buffer.
5699 ((or (stringp article)
5701 (let ((gnus-override-method gnus-override-method)
5702 (methods (and (stringp article)
5703 gnus-refer-article-method))
5704 (backend (car (gnus-find-method-for-group
5705 gnus-newsgroup-name)))
5707 (inhibit-read-only t))
5708 (if (or (not (listp methods))
5709 (and (symbolp (car methods))
5710 (assq (car methods) nnoo-definition-alist)))
5711 (setq methods (list methods)))
5712 (when (and (null gnus-override-method)
5714 (setq gnus-override-method (pop methods)))
5716 (when (eq gnus-override-method 'current)
5717 (setq gnus-override-method
5718 (with-current-buffer gnus-summary-buffer
5719 gnus-current-select-method)))
5721 (gnus-kill-all-overlays)
5722 (let ((gnus-newsgroup-name group))
5723 (gnus-check-group-server))
5725 ((gnus-request-article article group (current-buffer))
5726 (when (numberp article)
5727 (gnus-async-prefetch-next group article
5728 gnus-summary-buffer)
5729 (when gnus-keep-backlog
5730 (gnus-backlog-enter-article
5731 group article (current-buffer))))
5732 (setq result 'article))
5734 (setq gnus-override-method (pop methods)))
5735 ((not (string-match "^400 "
5736 (nnheader-get-report backend)))
5737 ;; If we get 400 server disconnect, reconnect and
5738 ;; retry; otherwise, assume the article has expired.
5739 (setq result 'done))))
5740 (and (eq result 'article) 'article)))
5744 ;; Associate this article with the current summary buffer.
5745 (setq gnus-article-current-summary gnus-summary-buffer)
5747 ;; Take the article from the original article buffer
5748 ;; and place it in the buffer it's supposed to be in.
5749 (when (and (get-buffer gnus-article-buffer)
5750 (equal (buffer-name (current-buffer))
5751 (buffer-name (get-buffer gnus-article-buffer))))
5753 (if (get-buffer gnus-original-article-buffer)
5754 (set-buffer gnus-original-article-buffer)
5755 (set-buffer (gnus-get-buffer-create gnus-original-article-buffer))
5756 (buffer-disable-undo)
5757 (setq major-mode 'gnus-original-article-mode)
5758 (setq buffer-read-only t))
5759 (let ((inhibit-read-only t))
5761 (insert-buffer-substring gnus-article-buffer))
5762 (setq gnus-original-article (cons group article)))
5765 (run-hooks 'gnus-article-decode-hook)
5766 ;; Mark article as decoded or not.
5767 (setq gnus-article-decoded-p gnus-article-decode-hook))
5769 ;; Update sparse articles.
5770 (when (and do-update-line
5771 (or (numberp article)
5773 (let ((buf (current-buffer)))
5774 (set-buffer gnus-summary-buffer)
5775 (gnus-summary-update-article do-update-line sparse-header)
5776 (gnus-summary-goto-subject do-update-line nil t)
5777 (set-window-point (gnus-get-buffer-window (current-buffer) t)
5779 (set-buffer buf))))))
5785 (defcustom gnus-article-edit-mode-hook nil
5786 "Hook run in article edit mode buffers."
5787 :group 'gnus-article-various
5790 (defvar gnus-article-edit-done-function nil)
5792 (defvar gnus-article-edit-mode-map nil)
5794 ;; Should we be using derived.el for this?
5795 (unless gnus-article-edit-mode-map
5796 (setq gnus-article-edit-mode-map (make-keymap))
5797 (set-keymap-parent gnus-article-edit-mode-map text-mode-map)
5799 (gnus-define-keys gnus-article-edit-mode-map
5800 "\C-c?" describe-mode
5801 "\C-c\C-c" gnus-article-edit-done
5802 "\C-c\C-k" gnus-article-edit-exit
5803 "\C-c\C-f\C-t" message-goto-to
5804 "\C-c\C-f\C-o" message-goto-from
5805 "\C-c\C-f\C-b" message-goto-bcc
5806 ;;"\C-c\C-f\C-w" message-goto-fcc
5807 "\C-c\C-f\C-c" message-goto-cc
5808 "\C-c\C-f\C-s" message-goto-subject
5809 "\C-c\C-f\C-r" message-goto-reply-to
5810 "\C-c\C-f\C-n" message-goto-newsgroups
5811 "\C-c\C-f\C-d" message-goto-distribution
5812 "\C-c\C-f\C-f" message-goto-followup-to
5813 "\C-c\C-f\C-m" message-goto-mail-followup-to
5814 "\C-c\C-f\C-k" message-goto-keywords
5815 "\C-c\C-f\C-u" message-goto-summary
5816 "\C-c\C-f\C-i" message-insert-or-toggle-importance
5817 "\C-c\C-f\C-a" message-generate-unsubscribed-mail-followup-to
5818 "\C-c\C-b" message-goto-body
5819 "\C-c\C-i" message-goto-signature
5821 "\C-c\C-t" message-insert-to
5822 "\C-c\C-n" message-insert-newsgroups
5823 "\C-c\C-o" message-sort-headers
5824 "\C-c\C-e" message-elide-region
5825 "\C-c\C-v" message-delete-not-region
5826 "\C-c\C-z" message-kill-to-signature
5827 "\M-\r" message-newline-and-reformat
5828 "\C-c\C-a" mml-attach-file
5829 "\C-a" message-beginning-of-line
5831 "\M-;" comment-region)
5833 (gnus-define-keys (gnus-article-edit-wash-map
5834 "\C-c\C-w" gnus-article-edit-mode-map)
5835 "f" gnus-article-edit-full-stops))
5838 gnus-article-edit-mode-field-menu gnus-article-edit-mode-map ""
5840 ["Fetch To" message-insert-to t]
5841 ["Fetch Newsgroups" message-insert-newsgroups t]
5843 ["To" message-goto-to t]
5844 ["From" message-goto-from t]
5845 ["Subject" message-goto-subject t]
5846 ["Cc" message-goto-cc t]
5847 ["Reply-To" message-goto-reply-to t]
5848 ["Summary" message-goto-summary t]
5849 ["Keywords" message-goto-keywords t]
5850 ["Newsgroups" message-goto-newsgroups t]
5851 ["Followup-To" message-goto-followup-to t]
5852 ["Mail-Followup-To" message-goto-mail-followup-to t]
5853 ["Distribution" message-goto-distribution t]
5854 ["Body" message-goto-body t]
5855 ["Signature" message-goto-signature t]))
5857 (define-derived-mode gnus-article-edit-mode message-mode "Article Edit"
5858 "Major mode for editing articles.
5859 This is an extended text-mode.
5861 \\{gnus-article-edit-mode-map}"
5862 (make-local-variable 'gnus-article-edit-done-function)
5863 (make-local-variable 'gnus-prev-winconf)
5864 (set (make-local-variable 'font-lock-defaults)
5865 '(message-font-lock-keywords t))
5866 (set (make-local-variable 'mail-header-separator) "")
5867 (set (make-local-variable 'gnus-article-edit-mode) t)
5868 (easy-menu-add message-mode-field-menu message-mode-map)
5870 (setq buffer-read-only nil)
5871 (buffer-enable-undo)
5874 (defun gnus-article-edit (&optional force)
5875 "Edit the current article.
5876 This will have permanent effect only in mail groups.
5877 If FORCE is non-nil, allow editing of articles even in read-only
5880 (when (and (not force)
5881 (gnus-group-read-only-p))
5882 (error "The current newsgroup does not support article editing"))
5883 (gnus-article-date-original)
5884 (gnus-article-edit-article
5886 `(lambda (no-highlight)
5888 (gnus-summary-edit-article-done
5889 ,(or (mail-header-references gnus-current-headers) "")
5890 ,(gnus-group-read-only-p) ,gnus-summary-buffer no-highlight))))
5892 (defun gnus-article-edit-article (start-func exit-func &optional quiet)
5893 "Start editing the contents of the current article buffer."
5894 (let ((winconf (current-window-configuration)))
5895 (set-buffer gnus-article-buffer)
5896 (let ((message-auto-save-directory
5897 ;; Don't associate the article buffer with a draft file.
5899 (gnus-article-edit-mode))
5900 (funcall start-func)
5901 (set-buffer-modified-p nil)
5902 (gnus-configure-windows 'edit-article)
5903 (setq gnus-article-edit-done-function exit-func)
5904 (setq gnus-prev-winconf winconf)
5906 (gnus-message 6 "C-c C-c to end edits"))))
5908 (defun gnus-article-edit-done (&optional arg)
5909 "Update the article edits and exit."
5911 (let ((func gnus-article-edit-done-function)
5912 (buf (current-buffer))
5913 (start (window-start))
5915 (winconf gnus-prev-winconf))
5916 (widen) ;; Widen it in case that users narrowed the buffer.
5919 ;; The cache and backlog have to be flushed somewhat.
5920 (when gnus-keep-backlog
5921 (gnus-backlog-remove-article
5922 (car gnus-article-current) (cdr gnus-article-current)))
5923 ;; Flush original article as well.
5925 (when (get-buffer gnus-original-article-buffer)
5926 (set-buffer gnus-original-article-buffer)
5927 (setq gnus-original-article nil)))
5928 (when gnus-use-cache
5929 (gnus-cache-update-article
5930 (car gnus-article-current) (cdr gnus-article-current)))
5931 ;; We remove all text props from the article buffer.
5932 (kill-all-local-variables)
5933 (set-text-properties (point-min) (point-max) nil)
5935 (set-window-configuration winconf)
5937 (set-window-start (get-buffer-window buf) start)
5938 (set-window-point (get-buffer-window buf) (point)))
5939 (gnus-summary-show-article))
5941 (defun gnus-article-edit-exit ()
5942 "Exit the article editing without updating."
5944 (when (or (not (buffer-modified-p))
5945 (yes-or-no-p "Article modified; kill anyway? "))
5946 (let ((curbuf (current-buffer))
5948 (window-start (window-start)))
5950 (if (gnus-buffer-live-p gnus-original-article-buffer)
5951 (insert-buffer-substring gnus-original-article-buffer))
5952 (let ((winconf gnus-prev-winconf))
5953 (kill-all-local-variables)
5955 (set-window-configuration winconf)
5956 ;; Tippy-toe some to make sure that point remains where it was.
5957 (save-current-buffer
5959 (set-window-start (get-buffer-window (current-buffer)) window-start)
5961 (gnus-summary-show-article)))
5963 (defun gnus-article-edit-full-stops ()
5964 "Interactively repair spacing at end of sentences."
5967 (goto-char (point-min))
5968 (search-forward-regexp "^$" nil t)
5969 (let ((case-fold-search nil))
5970 (query-replace-regexp "\\([.!?][])}]* \\)\\([[({A-Z]\\)" "\\1 \\2"))))
5973 ;;; Article highlights
5976 ;; Written by Per Abrahamsen <abraham@iesd.auc.dk>.
5978 ;;; Internal Variables:
5980 (defcustom gnus-button-url-regexp
5981 (if (string-match "[[:digit:]]" "1") ;; support POSIX?
5982 "\\b\\(\\(www\\.\\|\\(s?https?\\|ftp\\|file\\|gopher\\|nntp\\|news\\|telnet\\|wais\\|mailto\\|info\\):\\)\\(//[-a-z0-9_.]+:[0-9]*\\)?[-a-z0-9_=!?#$@~%&*+\\/:;.,[:word:]]+[-a-z0-9_=#$@~%&*+\\/[:word:]]\\)"
5983 "\\b\\(\\(www\\.\\|\\(s?https?\\|ftp\\|file\\|gopher\\|nntp\\|news\\|telnet\\|wais\\|mailto\\|info\\):\\)\\(//[-a-z0-9_.]+:[0-9]*\\)?\\([-a-z0-9_=!?#$@~%&*+\\/:;.,]\\|\\w\\)+\\([-a-z0-9_=#$@~%&*+\\/]\\|\\w\\)\\)")
5984 "Regular expression that matches URLs."
5985 :group 'gnus-article-buttons
5988 (defcustom gnus-button-valid-fqdn-regexp
5989 message-valid-fqdn-regexp
5990 "Regular expression that matches a valid FQDN."
5992 :group 'gnus-article-buttons
5995 ;; Regexp suggested by Felix Wiemann in <87oeuomcz9.fsf@news2.ososo.de>
5996 (defcustom gnus-button-valid-localpart-regexp
5997 "[a-z0-9$%(*-=?[_][^<>\")!;:,{}\n\t ]*"
5998 "Regular expression that matches a localpart of mail addresses or MIDs."
6000 :group 'gnus-article-buttons
6003 (defcustom gnus-button-man-handler 'manual-entry
6004 "Function to use for displaying man pages.
6005 The function must take at least one argument with a string naming the
6008 :type '(choice (function-item :tag "Man" manual-entry)
6009 (function-item :tag "Woman" woman)
6010 (function :tag "Other"))
6011 :group 'gnus-article-buttons)
6013 (defcustom gnus-ctan-url "http://tug.ctan.org/tex-archive/"
6014 "Top directory of a CTAN \(Comprehensive TeX Archive Network\) archive.
6015 If the default site is too slow, try to find a CTAN mirror, see
6016 <URL:http://tug.ctan.org/tex-archive/CTAN.sites?action=/index.html>. See also
6017 the variable `gnus-button-handle-ctan'."
6019 :group 'gnus-article-buttons
6020 :link '(custom-manual "(gnus)Group Parameters")
6021 :type '(choice (const "http://www.tex.ac.uk/tex-archive/")
6022 (const "http://tug.ctan.org/tex-archive/")
6023 (const "http://www.dante.de/CTAN/")
6024 (string :tag "Other")))
6026 (defcustom gnus-button-ctan-handler 'browse-url
6027 "Function to use for displaying CTAN links.
6028 The function must take one argument, the string naming the URL."
6030 :type '(choice (function-item :tag "Browse Url" browse-url)
6031 (function :tag "Other"))
6032 :group 'gnus-article-buttons)
6034 (defcustom gnus-button-handle-ctan-bogus-regexp "^/?tex-archive/\\|^/"
6035 "Bogus strings removed from CTAN URLs."
6037 :group 'gnus-article-buttons
6038 :type '(choice (const "^/?tex-archive/\\|/")
6039 (regexp :tag "Other")))
6041 (defcustom gnus-button-ctan-directory-regexp
6043 (list "archive-tools" "biblio" "bibliography" "digests" "documentation"
6044 "dviware" "fonts" "graphics" "help" "indexing" "info" "language"
6045 "languages" "macros" "nonfree" "obsolete" "support" "systems"
6046 "tds" "tools" "usergrps" "web") t)
6047 "Regular expression for ctan directories.
6048 It should match all directories in the top level of `gnus-ctan-url'."
6050 :group 'gnus-article-buttons
6053 (defcustom gnus-button-mid-or-mail-regexp
6054 (concat "\\b\\(<?" gnus-button-valid-localpart-regexp "@"
6055 gnus-button-valid-fqdn-regexp
6057 "Regular expression that matches a message ID or a mail address."
6059 :group 'gnus-article-buttons
6062 (defcustom gnus-button-prefer-mid-or-mail 'gnus-button-mid-or-mail-heuristic
6063 "What to do when the button on a string as \"foo123@bar.invalid\" is pushed.
6064 Strings like this can be either a message ID or a mail address. If it is one
6065 of the symbols `mid' or `mail', Gnus will always assume that the string is a
6066 message ID or a mail address, respectively. If this variable is set to the
6067 symbol `ask', always query the user what do do. If it is a function, this
6068 function will be called with the string as it's only argument. The function
6069 must return `mid', `mail', `invalid' or `ask'."
6071 :group 'gnus-article-buttons
6072 :type '(choice (function-item :tag "Heuristic function"
6073 gnus-button-mid-or-mail-heuristic)
6078 (defcustom gnus-button-mid-or-mail-heuristic-alist
6079 '((-10.0 . ".+\\$.+@")
6082 (-5.0 . "\\+[^+]*\\+.*@") ;; # two plus signs
6083 (-5.0 . "@[Nn][Ee][Ww][Ss]") ;; /\@news/i
6084 (-5.0 . "@.*[Dd][Ii][Aa][Ll][Uu][Pp]") ;; /\@.*dialup/i;
6085 (-1.0 . "^[^a-z]+@")
6087 (-5.0 . "\\.[0-9][0-9]+.*@") ;; "\.[0-9]{2,}.*\@"
6088 (-5.0 . "[a-z].*[A-Z].*[a-z].*[A-Z].*@") ;; "([a-z].*[A-Z].*){2,}\@"
6089 (-3.0 . "[A-Z][A-Z][a-z][a-z].*@")
6090 (-5.0 . "\\...?.?@") ;; (-5.0 . "\..{1,3}\@")
6093 (-1.0 . "^[0-9][0-9]")
6095 ;; -3.0 /^[0-9][0-9a-fA-F]{2,2}/;
6096 (-3.0 . "^[0-9][0-9a-fA-F][0-9a-fA-F][^0-9a-fA-F]")
6097 ;; -5.0 /^[0-9][0-9a-fA-F]{3,3}/;
6098 (-5.0 . "^[0-9][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][^0-9a-fA-F]")
6100 (-3.0 . "[0-9][0-9][0-9][0-9][0-9][^0-9].*@") ;; "[0-9]{5,}.*\@"
6101 (-3.0 . "[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][^0-9].*@")
6104 . "[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9].*@")
6106 ;; compensation for TDMA dated mail addresses:
6107 (25.0 . "-dated-[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]+.*@")
6109 (-20.0 . "\\.fsf@") ;; Gnus
6112 (-20.0 . "_-_") ;; Subject change in thread
6114 (-20.0 . "\\.ln@") ;; leafnode
6115 (-30.0 . "@ID-[0-9]+\\.[a-zA-Z]+\\.dfncis\\.de")
6116 (-30.0 . "@4[Aa][Xx]\\.com") ;; Forte Agent
6118 ;; (5.0 . "") ;; $local_part_len <= 7
6119 (10.0 . "^[^0-9]+@")
6120 (3.0 . "^[^0-9]+[0-9][0-9]?[0-9]?@")
6121 ;; ^[^0-9]+[0-9]{1,3}\@ digits only at end of local part
6124 (2.0 . "[a-z][a-z][._-][A-Z][a-z].*@")
6126 (0.5 . "^[A-Z][a-z]")
6127 (0.5 . "^[A-Z][a-z][a-z]")
6128 (1.5 . "^[A-Z][a-z][A-Z][a-z][^a-z]") ;; ^[A-Z][a-z]{3,3}
6129 (2.0 . "^[A-Z][a-z][A-Z][a-z][a-z][^a-z]")) ;; ^[A-Z][a-z]{4,4}
6130 "An alist of \(RATE . REGEXP\) pairs for `gnus-button-mid-or-mail-heuristic'.
6132 A negative RATE indicates a message IDs, whereas a positive indicates a mail
6133 address. The REGEXP is processed with `case-fold-search' set to nil."
6135 :group 'gnus-article-buttons
6136 :type '(repeat (cons (number :tag "Rate")
6137 (regexp :tag "Regexp"))))
6139 (defun gnus-button-mid-or-mail-heuristic (mid-or-mail)
6140 "Guess whether MID-OR-MAIL is a message ID or a mail address.
6141 Returns `mid' if MID-OR-MAIL is a message IDs, `mail' if it's a mail
6142 address, `ask' if unsure and `invalid' if the string is invalid."
6143 (let ((case-fold-search nil)
6144 (list gnus-button-mid-or-mail-heuristic-alist)
6145 (result 0) rate regexp lpartlen elem)
6147 (length (gnus-replace-in-string mid-or-mail "^\\(.*\\)@.*$" "\\1")))
6148 (gnus-message 8 "`%s', length of local part=`%s'." mid-or-mail lpartlen)
6149 ;; Certain special cases...
6152 "^0[0-9]+-[0-9][0-9][0-9][0-9]@t-online\\.de$\\|"
6153 "^[0-9]+\\.[0-9]+@compuserve\\|"
6154 "@public\\.gmane\\.org")
6156 (gnus-message 8 "`%s' is a known mail address." mid-or-mail)
6157 (setq result 'mail))
6158 (when (string-match "@.*@\\| " mid-or-mail)
6159 (gnus-message 8 "`%s' is invalid." mid-or-mail)
6160 (setq result 'invalid))
6161 ;; Nothing more to do, if result is not a number here...
6162 (when (numberp result)
6164 (setq elem (car list)
6168 (when (string-match regexp mid-or-mail)
6169 (setq result (+ result rate))
6171 9 "`%s' matched `%s', rate `%s', result `%s'."
6172 mid-or-mail regexp rate result)))
6173 (when (<= lpartlen 7)
6174 (setq result (+ result 5.0))
6175 (gnus-message 9 "`%s' matched (<= lpartlen 7), result `%s'."
6176 mid-or-mail result))
6177 (when (>= lpartlen 12)
6178 (gnus-message 9 "`%s' matched (>= lpartlen 12)" mid-or-mail)
6180 ((string-match "[0-9][^0-9]+[0-9].*@" mid-or-mail)
6181 ;; Long local part should contain realname if e-mail address,
6182 ;; too many digits: message-id.
6183 ;; $score -= 5.0 + 0.1 * $local_part_len;
6184 (setq rate (* -1.0 (+ 5.0 (* 0.1 lpartlen))))
6185 (setq result (+ result rate))
6187 9 "Many digits in `%s', rate `%s', result `%s'."
6188 mid-or-mail rate result))
6189 ((string-match "[^aeiouy][^aeiouy][^aeiouy][^aeiouy]+.*\@"
6191 ;; Too few vowels [^aeiouy]{4,}.*\@
6192 (setq result (+ result -5.0))
6194 9 "Few vowels in `%s', rate `%s', result `%s'."
6195 mid-or-mail -5.0 result))
6197 (setq result (+ result 5.0))
6199 9 "`%s', rate `%s', result `%s'." mid-or-mail 5.0 result)))))
6200 (gnus-message 8 "`%s': Final rate is `%s'." mid-or-mail result)
6201 ;; Maybe we should make this a customizable alist: (condition . 'result)
6203 ((symbolp result) result)
6204 ;; Now convert number into proper results:
6205 ((< result -10.0) 'mid)
6206 ((> result 10.0) 'mail)
6209 (defun gnus-button-handle-mid-or-mail (mid-or-mail)
6210 (let* ((pref gnus-button-prefer-mid-or-mail) guessed
6211 (url-mid (concat "news" ":" mid-or-mail))
6212 (url-mailto (concat "mailto" ":" mid-or-mail)))
6213 (gnus-message 9 "mid-or-mail=%s" mid-or-mail)
6214 (when (fboundp pref)
6216 ;; get rid of surrounding angles...
6218 (gnus-replace-in-string mid-or-mail "^<\\|>$" "")))
6219 (if (or (eq 'mid guessed) (eq 'mail guessed))
6223 (save-window-excursion
6224 (if (y-or-n-p (concat "Is <" mid-or-mail "> a mail address? "))
6227 (cond ((eq pref 'mid)
6228 (gnus-message 8 "calling `gnus-button-handle-news' %s" url-mid)
6229 (gnus-button-handle-news url-mid))
6231 (gnus-message 8 "calling `gnus-url-mailto' %s" url-mailto)
6232 (gnus-url-mailto url-mailto))
6233 (t (gnus-message 3 "Invalid string.")))))
6235 (defun gnus-button-handle-custom (url)
6236 "Follow a Custom URL."
6237 (customize-apropos (gnus-url-unhex-string url)))
6239 (defvar gnus-button-handle-describe-prefix "^\\(C-h\\|<?[Ff]1>?\\)")
6241 ;; FIXME: Maybe we should merge some of the functions that do quite similar
6244 (defun gnus-button-handle-describe-function (url)
6245 "Call `describe-function' when pushing the corresponding URL button."
6248 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))))
6250 (defun gnus-button-handle-describe-variable (url)
6251 "Call `describe-variable' when pushing the corresponding URL button."
6254 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))))
6256 (defun gnus-button-handle-symbol (url)
6257 "Display help on variable or function.
6258 Calls `describe-variable' or `describe-function'."
6259 (let ((sym (intern url)))
6261 ((fboundp sym) (describe-function sym))
6262 ((boundp sym) (describe-variable sym))
6263 (t (gnus-message 3 "`%s' is not a known function of variable." url)))))
6265 (defun gnus-button-handle-describe-key (url)
6266 "Call `describe-key' when pushing the corresponding URL button."
6268 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))
6269 (keys (ignore-errors (eval `(kbd ,key-string)))))
6272 (gnus-message 3 "Invalid key sequence in button: %s" key-string))))
6274 (defun gnus-button-handle-apropos (url)
6275 "Call `apropos' when pushing the corresponding URL button."
6276 (apropos (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6278 (defun gnus-button-handle-apropos-command (url)
6279 "Call `apropos' when pushing the corresponding URL button."
6281 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6283 (defun gnus-button-handle-apropos-variable (url)
6284 "Call `apropos' when pushing the corresponding URL button."
6286 (if (fboundp 'apropos-variable) 'apropos-variable 'apropos)
6287 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6289 (defun gnus-button-handle-apropos-documentation (url)
6290 "Call `apropos' when pushing the corresponding URL button."
6292 (if (fboundp 'apropos-documentation) 'apropos-documentation 'apropos)
6293 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6295 (defun gnus-button-handle-library (url)
6296 "Call `locate-library' when pushing the corresponding URL button."
6297 (gnus-message 9 "url=`%s'" url)
6298 (let* ((lib (locate-library url))
6299 (file (gnus-replace-in-string (or lib "") "\.elc" ".el")))
6301 (gnus-message 1 "Cannot locale library `%s'." url)
6302 (find-file-read-only file))))
6304 (defun gnus-button-handle-ctan (url)
6305 "Call `browse-url' when pushing a CTAN URL button."
6307 gnus-button-ctan-handler
6310 (gnus-replace-in-string url gnus-button-handle-ctan-bogus-regexp ""))))
6312 (defcustom gnus-button-tex-level 5
6313 "*Integer that says how many TeX-related buttons Gnus will show.
6314 The higher the number, the more buttons will appear and the more false
6315 positives are possible. Note that you can set this variable local to
6316 specific groups. Setting it higher in TeX groups is probably a good idea.
6317 See Info node `(gnus)Group Parameters' and the variable `gnus-parameters' on
6318 how to set variables in specific groups."
6320 :group 'gnus-article-buttons
6321 :link '(custom-manual "(gnus)Group Parameters")
6324 (defcustom gnus-button-man-level 5
6325 "*Integer that says how many man-related buttons Gnus will show.
6326 The higher the number, the more buttons will appear and the more false
6327 positives are possible. Note that you can set this variable local to
6328 specific groups. Setting it higher in Unix groups is probably a good idea.
6329 See Info node `(gnus)Group Parameters' and the variable `gnus-parameters' on
6330 how to set variables in specific groups."
6332 :group 'gnus-article-buttons
6333 :link '(custom-manual "(gnus)Group Parameters")
6336 (defcustom gnus-button-emacs-level 5
6337 "*Integer that says how many emacs-related buttons Gnus will show.
6338 The higher the number, the more buttons will appear and the more false
6339 positives are possible. Note that you can set this variable local to
6340 specific groups. Setting it higher in Emacs or Gnus related groups is
6341 probably a good idea. See Info node `(gnus)Group Parameters' and the variable
6342 `gnus-parameters' on how to set variables in specific groups."
6344 :group 'gnus-article-buttons
6345 :link '(custom-manual "(gnus)Group Parameters")
6348 (defcustom gnus-button-message-level 5
6349 "*Integer that says how many buttons for news or mail messages will appear.
6350 The higher the number, the more buttons will appear and the more false
6351 positives are possible."
6352 ;; mail addresses, MIDs, URLs for news, ...
6354 :group 'gnus-article-buttons
6357 (defcustom gnus-button-browse-level 5
6358 "*Integer that says how many buttons for browsing will appear.
6359 The higher the number, the more buttons will appear and the more false
6360 positives are possible."
6361 ;; stuff handled by `browse-url' or `gnus-button-embedded-url'
6363 :group 'gnus-article-buttons
6366 (defcustom gnus-button-alist
6367 '(("<\\(url:[>\n\t ]*?\\)?\\(nntp\\|news\\):[>\n\t ]*\\([^>\n\t ]*@[^>\n\t ]*\\)>"
6368 0 (>= gnus-button-message-level 0) gnus-button-handle-news 3)
6369 ((concat "\\b\\(nntp\\|news\\):\\("
6370 gnus-button-valid-localpart-regexp "@[a-z0-9.-]+[a-z]\\)")
6371 0 t gnus-button-handle-news 2)
6372 ("\\(\\b<\\(url:[>\n\t ]*\\)?\\(nntp\\|news\\):[>\n\t ]*\\(//\\)?\\([^>\n\t ]*\\)>\\)"
6373 1 (>= gnus-button-message-level 0) gnus-button-fetch-group 5)
6374 ("\\b\\(nntp\\|news\\):\\(//\\)?\\([^'\">\n\t ]+\\)"
6375 0 (>= gnus-button-message-level 0) gnus-button-fetch-group 3)
6376 ;; RFC 2392 (Don't allow `/' in domain part --> CID)
6377 ("\\bmid:\\(//\\)?\\([^'\">\n\t ]+@[^'\">\n\t /]+\\)"
6378 0 (>= gnus-button-message-level 0) gnus-button-message-id 2)
6379 ("\\bin\\( +article\\| +message\\)? +\\(<\\([^\n @<>]+@[^\n @<>]+\\)>\\)"
6380 2 (>= gnus-button-message-level 0) gnus-button-message-id 3)
6381 ("\\(<URL: *\\)mailto: *\\([^> \n\t]+\\)>"
6382 0 (>= gnus-button-message-level 0) gnus-url-mailto 2)
6383 ;; RFC 2368 (The mailto URL scheme)
6384 ("\\bmailto:\\([-a-z.@_+0-9%=?&/]+\\)"
6385 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
6386 ("\\bmailto:\\([^ \n\t]+\\)"
6387 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
6389 ((concat "\\bCTAN:[ \t\n]?[^>)!;:,'\n\t ]*\\("
6390 gnus-button-ctan-directory-regexp
6391 "[^][>)!;:,'\n\t ]+\\)")
6392 0 (>= gnus-button-tex-level 1) gnus-button-handle-ctan 1)
6393 ((concat "\\btex-archive/\\("
6394 gnus-button-ctan-directory-regexp
6395 "/[-_.a-z0-9/]+[-_./a-z0-9]+[/a-z0-9]\\)")
6396 1 (>= gnus-button-tex-level 6) gnus-button-handle-ctan 1)
6399 gnus-button-ctan-directory-regexp
6400 "/[-_.a-z0-9]+/[-_./a-z0-9]+[/a-z0-9]\\)")
6401 1 (>= gnus-button-tex-level 8) gnus-button-handle-ctan 1)
6402 ;; This is info (home-grown style) <info://foo/bar+baz>
6403 ("\\binfo://\\([^'\">\n\t ]+\\)"
6404 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url 1)
6405 ;; Info GNOME style <info:foo#bar_baz>
6406 ("\\binfo:\\([^('\n\t\r \"><][^'\n\t\r \"><]*\\)"
6407 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url-gnome 1)
6408 ;; Info KDE style <info:(foo)bar baz>
6409 ("<\\(info:\\(([^)]+)[^>\n\r]*\\)\\)>"
6410 1 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url-kde 2)
6411 ("\\((Info-goto-node\\|(info\\)[ \t\n]*\\(\"[^\"]*\"\\))" 0
6412 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url 2)
6413 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+i[ \t\n]+d?[ \t\n]?m[ \t\n]+\\([^ ]+ ?[^ ]+\\)[ \t\n]+RET"
6414 ;; Info links like `C-h i d m CC Mode RET'
6415 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-keystrokes 2)
6417 ("\\bcustom:\\(//\\)?\\([^'\">\n\t ]+\\)"
6418 0 (>= gnus-button-emacs-level 5) gnus-button-handle-custom 2)
6419 ("M-x[ \t\n]customize-[^ ]+[ \t\n]RET[ \t\n]\\([^ ]+\\)[ \t\n]RET" 0
6420 (>= gnus-button-emacs-level 1) gnus-button-handle-custom 1)
6421 ;; Emacs help commands
6422 ("M-x[ \t\n]+apropos[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6423 ;; regexp doesn't match arguments containing ` '.
6424 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos 1)
6425 ("M-x[ \t\n]+apropos-command[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6426 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-command 1)
6427 ("M-x[ \t\n]+apropos-variable[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6428 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-variable 1)
6429 ("M-x[ \t\n]+apropos-documentation[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6430 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-documentation 1)
6431 ;; The following entries may lead to many false positives so don't enable
6432 ;; them by default (use a high button level).
6433 ("/\\([a-z][-a-z0-9]+\\.el\\)\\>[^.?]"
6434 ;; Exclude [.?] for URLs in gmane.emacs.cvs
6435 1 (>= gnus-button-emacs-level 8) gnus-button-handle-library 1)
6436 ("`\\([a-z][-a-z0-9]+\\.el\\)'"
6437 1 (>= gnus-button-emacs-level 8) gnus-button-handle-library 1)
6438 ("`\\([a-z][a-z0-9]+-[a-z]+-[-a-z]+\\|\\(gnus\\|message\\)-[-a-z]+\\)'"
6439 0 (>= gnus-button-emacs-level 8) gnus-button-handle-symbol 1)
6440 ("`\\([a-z][a-z0-9]+-[a-z]+\\)'"
6441 0 (>= gnus-button-emacs-level 9) gnus-button-handle-symbol 1)
6442 ("(setq[ \t\n]+\\([a-z][a-z0-9]+-[-a-z0-9]+\\)[ \t\n]+.+)"
6443 1 (>= gnus-button-emacs-level 7) gnus-button-handle-describe-variable 1)
6444 ("\\bM-x[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6445 1 (>= gnus-button-emacs-level 7) gnus-button-handle-describe-function 1)
6446 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+f[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6447 0 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-function 2)
6448 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+v[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6449 0 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-variable 2)
6450 ("`\\(\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+k[ \t\n]+\\([^']+\\)\\)'"
6451 ;; Unlike the other regexps we really have to require quoting
6452 ;; here to determine where it ends.
6453 1 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-key 3)
6454 ;; This is how URLs _should_ be embedded in text (RFC 1738, RFC 2396)...
6455 ("<URL: *\\([^<>]*\\)>"
6456 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
6457 ;; RFC 2396 (2.4.3., delims) ...
6458 ("\"URL: *\\([^\"]*\\)\""
6459 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
6460 ;; RFC 2396 (2.4.3., delims) ...
6461 ("\"URL: *\\([^\"]*\\)\""
6462 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
6464 (gnus-button-url-regexp
6465 0 (>= gnus-button-browse-level 0) browse-url 0)
6467 ("\\b\\([a-z][a-z]+([1-9])\\)\\W"
6468 0 (and (>= gnus-button-man-level 1) (< gnus-button-man-level 3))
6469 gnus-button-handle-man 1)
6470 ;; more man pages: resolv.conf(5), iso_8859-1(7), xterm(1x)
6471 ("\\b\\([a-z][-_.a-z0-9]+([1-9])\\)\\W"
6472 0 (and (>= gnus-button-man-level 3) (< gnus-button-man-level 5))
6473 gnus-button-handle-man 1)
6474 ;; even more: Apache::PerlRun(3pm), PDL::IO::FastRaw(3pm),
6475 ;; SoWWWAnchor(3iv), XSelectInput(3X11), X(1), X(7)
6476 ("\\b\\(\\(?:[a-z][-+_.:a-z0-9]+([1-9][X1a-z]*)\\)\\|\\b\\(?:X([1-9])\\)\\)\\W"
6477 0 (>= gnus-button-man-level 5) gnus-button-handle-man 1)
6478 ;; MID or mail: To avoid too many false positives we don't try to catch
6479 ;; all kind of allowed MIDs or mail addresses. Domain part must contain
6480 ;; at least one dot. TLD must contain two or three chars or be a know TLD
6481 ;; (info|name|...). Put this entry near the _end_ of `gnus-button-alist'
6482 ;; so that non-ambiguous entries (see above) match first.
6483 (gnus-button-mid-or-mail-regexp
6484 0 (>= gnus-button-message-level 5) gnus-button-handle-mid-or-mail 1))
6485 "*Alist of regexps matching buttons in article bodies.
6487 Each entry has the form (REGEXP BUTTON FORM CALLBACK PAR...), where
6488 REGEXP: is the string (case insensitive) matching text around the button (can
6489 also be Lisp expression evaluating to a string),
6490 BUTTON: is the number of the regexp grouping actually matching the button,
6491 FORM: is a Lisp expression which must eval to true for the button to
6493 CALLBACK: is the function to call when the user push this button, and each
6494 PAR: is a number of a regexp grouping whose text will be passed to CALLBACK.
6496 CALLBACK can also be a variable, in that case the value of that
6497 variable it the real callback function."
6498 :group 'gnus-article-buttons
6499 :type '(repeat (list (choice regexp variable sexp)
6500 (integer :tag "Button")
6502 (function :tag "Callback")
6505 (integer :tag "Regexp group")))))
6507 (defcustom gnus-header-button-alist
6508 '(("^\\(References\\|Message-I[Dd]\\|^In-Reply-To\\):" "<[^<>]+>"
6509 0 (>= gnus-button-message-level 0) gnus-button-message-id 0)
6510 ("^\\(From\\|Reply-To\\):" ": *\\(.+\\)$"
6511 1 (>= gnus-button-message-level 0) gnus-button-reply 1)
6512 ("^\\(Cc\\|To\\):" "[^ \t\n<>,()\"]+@[^ \t\n<>,()\"]+"
6513 0 (>= gnus-button-message-level 0) gnus-msg-mail 0)
6514 ("^X-[Uu][Rr][Ll]:" gnus-button-url-regexp
6515 0 (>= gnus-button-browse-level 0) browse-url 0)
6516 ("^Subject:" gnus-button-url-regexp
6517 0 (>= gnus-button-browse-level 0) browse-url 0)
6518 ("^[^:]+:" gnus-button-url-regexp
6519 0 (>= gnus-button-browse-level 0) browse-url 0)
6520 ("^OpenPGP:.*url=" gnus-button-url-regexp
6521 0 (>= gnus-button-browse-level 0) gnus-button-openpgp 0)
6522 ("^[^:]+:" "\\bmailto:\\([-a-z.@_+0-9%=?&/]+\\)"
6523 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
6524 ("^[^:]+:" "\\(<\\(url: \\)?\\(nntp\\|news\\):\\([^>\n ]*\\)>\\)"
6525 1 (>= gnus-button-message-level 0) gnus-button-message-id 4))
6526 "*Alist of headers and regexps to match buttons in article heads.
6528 This alist is very similar to `gnus-button-alist', except that each
6529 alist has an additional HEADER element first in each entry:
6531 \(HEADER REGEXP BUTTON FORM CALLBACK PAR)
6533 HEADER is a regexp to match a header. For a fuller explanation, see
6534 `gnus-button-alist'."
6535 :group 'gnus-article-buttons
6536 :group 'gnus-article-headers
6537 :type '(repeat (list (regexp :tag "Header")
6538 (choice regexp variable)
6539 (integer :tag "Button")
6541 (function :tag "Callback")
6544 (integer :tag "Regexp group")))))
6548 (defun gnus-article-push-button (event)
6549 "Check text under the mouse pointer for a callback function.
6550 If the text under the mouse pointer has a `gnus-callback' property,
6551 call it with the value of the `gnus-data' text property."
6553 (set-buffer (window-buffer (posn-window (event-start event))))
6554 (let* ((pos (posn-point (event-start event)))
6555 (data (get-text-property pos 'gnus-data))
6556 (fun (get-text-property pos 'gnus-callback)))
6559 (funcall fun data))))
6561 (defun gnus-article-press-button ()
6562 "Check text at point for a callback function.
6563 If the text at point has a `gnus-callback' property,
6564 call it with the value of the `gnus-data' text property."
6566 (let ((data (get-text-property (point) 'gnus-data))
6567 (fun (get-text-property (point) 'gnus-callback)))
6569 (funcall fun data))))
6571 (defun gnus-article-highlight (&optional force)
6572 "Highlight current article.
6573 This function calls `gnus-article-highlight-headers',
6574 `gnus-article-highlight-citation',
6575 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
6576 do the highlighting. See the documentation for those functions."
6577 (interactive (list 'force))
6578 (gnus-article-highlight-headers)
6579 (gnus-article-highlight-citation force)
6580 (gnus-article-highlight-signature)
6581 (gnus-article-add-buttons force)
6582 (gnus-article-add-buttons-to-head))
6584 (defun gnus-article-highlight-some (&optional force)
6585 "Highlight current article.
6586 This function calls `gnus-article-highlight-headers',
6587 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
6588 do the highlighting. See the documentation for those functions."
6589 (interactive (list 'force))
6590 (gnus-article-highlight-headers)
6591 (gnus-article-highlight-signature)
6592 (gnus-article-add-buttons))
6594 (defun gnus-article-highlight-headers ()
6595 "Highlight article headers as specified by `gnus-header-face-alist'."
6597 (gnus-with-article-headers
6598 (let (regexp header-face field-face from hpoints fpoints)
6599 (dolist (entry gnus-header-face-alist)
6600 (goto-char (point-min))
6601 (setq regexp (concat "^\\("
6602 (if (string-equal "" (nth 0 entry))
6606 header-face (nth 1 entry)
6607 field-face (nth 2 entry))
6608 (while (and (re-search-forward regexp nil t)
6612 (unless (search-forward ":" nil t)
6614 (when (and header-face
6615 (not (memq (point) hpoints)))
6616 (push (point) hpoints)
6617 (gnus-put-text-property from (point) 'face header-face))
6618 (when (and field-face
6619 (not (memq (setq from (point)) fpoints)))
6621 (if (re-search-forward "^[^ \t]" nil t)
6623 (goto-char (point-max)))
6624 (gnus-put-text-property from (point) 'face field-face)))))))
6626 (defun gnus-article-highlight-signature ()
6627 "Highlight the signature in an article.
6628 It does this by highlighting everything after
6629 `gnus-signature-separator' using the face `gnus-signature'."
6631 (gnus-with-article-buffer
6632 (let ((inhibit-point-motion-hooks t))
6634 (when (and gnus-signature-face
6635 (gnus-article-narrow-to-signature))
6636 (gnus-overlay-put (gnus-make-overlay (point-min) (point-max))
6637 'face gnus-signature-face)
6639 (gnus-article-search-signature)
6640 (let ((start (match-beginning 0))
6641 (end (set-marker (make-marker) (1+ (match-end 0)))))
6642 (gnus-article-add-button start (1- end) 'gnus-signature-toggle
6645 (defun gnus-button-in-region-p (b e prop)
6646 "Say whether PROP exists in the region."
6647 (text-property-not-all b e prop nil))
6649 (defun gnus-article-add-buttons (&optional force)
6650 "Find external references in the article and make buttons of them.
6651 \"External references\" are things like Message-IDs and URLs, as
6652 specified by `gnus-button-alist'."
6653 (interactive (list 'force))
6654 (gnus-with-article-buffer
6655 (let ((inhibit-point-motion-hooks t)
6656 (case-fold-search t)
6657 (alist gnus-button-alist)
6659 ;; Remove all old markers.
6660 (let (marker entry new-list)
6661 (while (setq marker (pop gnus-button-marker-list))
6662 (if (or (< marker (point-min)) (>= marker (point-max)))
6663 (push marker new-list)
6665 (when (setq entry (gnus-button-entry))
6666 (put-text-property (match-beginning (nth 1 entry))
6667 (match-end (nth 1 entry))
6668 'gnus-callback nil))
6669 (set-marker marker nil)))
6670 (setq gnus-button-marker-list new-list))
6671 ;; We skip the headers.
6674 (while (setq entry (pop alist))
6675 (setq regexp (eval (car entry)))
6677 (while (re-search-forward regexp nil t)
6678 (let* ((start (and entry (match-beginning (nth 1 entry))))
6679 (end (and entry (match-end (nth 1 entry))))
6680 (from (match-beginning 0)))
6681 (when (and (or (eq t (nth 2 entry))
6682 (eval (nth 2 entry)))
6683 (not (gnus-button-in-region-p
6684 start end 'gnus-callback)))
6685 ;; That optional form returned non-nil, so we add the
6687 (gnus-article-add-button
6688 start end 'gnus-button-push
6689 (car (push (set-marker (make-marker) from)
6690 gnus-button-marker-list))))))))))
6692 ;; Add buttons to the head of an article.
6693 (defun gnus-article-add-buttons-to-head ()
6694 "Add buttons to the head of the article."
6696 (gnus-with-article-headers
6698 (dolist (entry gnus-header-button-alist)
6699 ;; Each alist entry.
6700 (goto-char (point-min))
6701 (while (re-search-forward (car entry) nil t)
6702 ;; Each header matching the entry.
6703 (setq beg (match-beginning 0))
6704 (setq end (or (and (re-search-forward "^[^ \t]" nil t)
6705 (match-beginning 0))
6708 (while (re-search-forward (eval (nth 1 entry)) end t)
6709 ;; Each match within a header.
6710 (let* ((entry (cdr entry))
6711 (start (match-beginning (nth 1 entry)))
6712 (end (match-end (nth 1 entry)))
6713 (form (nth 2 entry)))
6714 (goto-char (match-end 0))
6716 (gnus-article-add-button
6717 start end (nth 3 entry)
6718 (buffer-substring (match-beginning (nth 4 entry))
6719 (match-end (nth 4 entry)))))))
6720 (goto-char end))))))
6722 ;;; External functions:
6724 (defun gnus-article-add-button (from to fun &optional data)
6725 "Create a button between FROM and TO with callback FUN and data DATA."
6726 (when gnus-article-button-face
6727 (gnus-overlay-put (gnus-make-overlay from to)
6728 'face gnus-article-button-face))
6729 (gnus-add-text-properties
6731 (nconc (and gnus-article-mouse-face
6732 (list gnus-mouse-face-prop gnus-article-mouse-face))
6733 (list 'gnus-callback fun)
6734 (and data (list 'gnus-data data))))
6735 (widget-convert-button 'link from to :action 'gnus-widget-press-button
6736 :button-keymap gnus-widget-button-keymap))
6738 ;;; Internal functions:
6740 (defun gnus-article-set-globals ()
6741 (with-current-buffer gnus-summary-buffer
6742 (gnus-set-global-variables)))
6744 (defun gnus-signature-toggle (end)
6745 (gnus-with-article-buffer
6746 (let ((inhibit-point-motion-hooks t))
6747 (if (text-property-any end (point-max) 'article-type 'signature)
6749 (gnus-delete-wash-type 'signature)
6750 (gnus-remove-text-properties-when
6751 'article-type 'signature end (point-max)
6752 (cons 'article-type (cons 'signature
6753 gnus-hidden-properties))))
6754 (gnus-add-wash-type 'signature)
6755 (gnus-add-text-properties-when
6756 'article-type nil end (point-max)
6757 (cons 'article-type (cons 'signature
6758 gnus-hidden-properties)))))
6759 (let ((gnus-article-mime-handle-alist-1 gnus-article-mime-handle-alist))
6760 (gnus-set-mode-line 'article))))
6762 (defun gnus-button-entry ()
6763 ;; Return the first entry in `gnus-button-alist' matching this place.
6764 (let ((alist gnus-button-alist)
6767 (setq entry (pop alist))
6768 (if (looking-at (eval (car entry)))
6773 (defun gnus-button-push (marker)
6774 ;; Push button starting at MARKER.
6777 (let* ((entry (gnus-button-entry))
6778 (inhibit-point-motion-hooks t)
6780 (args (mapcar (lambda (group)
6781 (let ((string (match-string group)))
6782 (set-text-properties
6783 0 (length string) nil string)
6790 (fboundp (symbol-value fun)))
6791 (apply (symbol-value fun) args))
6793 (gnus-message 1 "You must define `%S' to use this button"
6794 (cons fun args)))))))
6796 (defun gnus-parse-news-url (url)
6797 (let (scheme server port group message-id articles)
6800 (goto-char (point-min))
6801 (when (looking-at "\\([A-Za-z]+\\):")
6802 (setq scheme (match-string 1))
6803 (goto-char (match-end 0)))
6804 (when (looking-at "//\\([^:/]+\\)\\(:?\\)\\([0-9]+\\)?/")
6805 (setq server (match-string 1))
6806 (setq port (if (stringp (match-string 3))
6807 (string-to-number (match-string 3))
6809 (goto-char (match-end 0)))
6812 ((looking-at "\\(.*@.*\\)")
6813 (setq message-id (match-string 1)))
6814 ((looking-at "\\([^/]+\\)/\\([-0-9]+\\)")
6815 (setq group (match-string 1)
6816 articles (split-string (match-string 2) "-")))
6817 ((looking-at "\\([^/]+\\)/?")
6818 (setq group (match-string 1)))
6820 (error "Unknown news URL syntax"))))
6821 (list scheme server port group message-id articles)))
6823 (defun gnus-button-handle-news (url)
6825 (destructuring-bind (scheme server port group message-id articles)
6826 (gnus-parse-news-url url)
6830 (set-buffer gnus-summary-buffer)
6832 (let ((gnus-refer-article-method
6833 (nconc (list (list 'nntp server))
6834 gnus-refer-article-method))
6835 (nntp-port-number (or port "nntp")))
6836 (gnus-message 7 "Fetching %s with %s"
6837 message-id gnus-refer-article-method)
6838 (gnus-summary-refer-article message-id))
6839 (gnus-summary-refer-article message-id))))
6841 (gnus-button-fetch-group url)))))
6843 (defun gnus-button-handle-man (url)
6845 (gnus-message 9 "`%s' `%s'" gnus-button-man-handler url)
6846 (when (eq gnus-button-man-handler 'woman)
6847 (setq url (gnus-replace-in-string url "([1-9][X1a-z]*).*\\'" "")))
6848 (gnus-message 9 "`%s' `%s'" gnus-button-man-handler url)
6849 (funcall gnus-button-man-handler url))
6851 (defun gnus-button-handle-info-url (url)
6852 "Fetch an info URL."
6853 (setq url (mm-subst-char-in-string ?+ ?\ url))
6855 ((string-match "^\\([^:/]+\\)?/\\(.*\\)" url)
6856 (gnus-info-find-node
6857 (concat "(" (or (gnus-url-unhex-string (match-string 1 url))
6859 ")" (gnus-url-unhex-string (match-string 2 url)))))
6860 ((string-match "([^)\"]+)[^\"]+" url)
6862 (gnus-replace-in-string
6863 (gnus-replace-in-string url "[\n\t ]+" " ") "\"" ""))
6864 (gnus-info-find-node url))
6865 (t (error "Can't parse %s" url))))
6867 (defun gnus-button-handle-info-url-gnome (url)
6868 "Fetch GNOME style info URL."
6869 (setq url (mm-subst-char-in-string ?_ ?\ url))
6870 (if (string-match "\\([^#]+\\)#?\\(.*\\)" url)
6871 (gnus-info-find-node
6873 (gnus-url-unhex-string
6874 (match-string 1 url))
6876 (or (gnus-url-unhex-string
6877 (match-string 2 url))
6879 (error "Can't parse %s" url)))
6881 (defun gnus-button-handle-info-url-kde (url)
6882 "Fetch KDE style info URL."
6883 (gnus-info-find-node (gnus-url-unhex-string url)))
6885 (defun gnus-button-handle-info-keystrokes (url)
6886 "Call `info' when pushing the corresponding URL button."
6887 ;; For links like `C-h i d m gnus RET', `C-h i d m CC Mode RET'.
6892 (defun gnus-button-openpgp (url)
6893 "Retrieve and add an OpenPGP key given URL from an OpenPGP header."
6895 (mm-url-insert-file-contents-external url)
6896 (pgg-snarf-keys-region (point-min) (point-max))
6897 (pgg-display-output-buffer nil nil nil)))
6899 (defun gnus-button-message-id (message-id)
6901 (with-current-buffer gnus-summary-buffer
6902 (gnus-summary-refer-article message-id)))
6904 (defun gnus-button-fetch-group (address)
6905 "Fetch GROUP specified by ADDRESS."
6906 (if (not (string-match "[:/]" address))
6907 ;; This is just a simple group url.
6908 (gnus-group-read-ephemeral-group address gnus-select-method)
6911 "^\\([^:/]+\\)\\(:\\([^/]+\\)\\)?/\\([^/]+\\)\\(/\\([0-9]+\\)\\)?"
6913 (error "Can't parse %s" address)
6914 (gnus-group-read-ephemeral-group
6915 (match-string 4 address)
6916 `(nntp ,(match-string 1 address)
6917 (nntp-address ,(match-string 1 address))
6918 (nntp-port-number ,(if (match-end 3)
6919 (match-string 3 address)
6922 (and (match-end 6) (list (string-to-number (match-string 6 address))))))))
6924 (defun gnus-url-parse-query-string (query &optional downcase)
6925 (let (retval pairs cur key val)
6926 (setq pairs (split-string query "&"))
6928 (setq cur (car pairs)
6930 (if (not (string-match "=" cur))
6932 (setq key (gnus-url-unhex-string (substring cur 0 (match-beginning 0)))
6933 val (gnus-url-unhex-string (substring cur (match-end 0) nil) t))
6935 (setq key (downcase key)))
6936 (setq cur (assoc key retval))
6938 (setcdr cur (cons val (cdr cur)))
6939 (setq retval (cons (list key val) retval)))))
6942 (defun gnus-url-mailto (url)
6943 ;; Send mail to someone
6944 (when (string-match "mailto:/*\\(.*\\)" url)
6945 (setq url (substring url (match-beginning 1) nil)))
6946 (let (to args subject func)
6947 (setq args (gnus-url-parse-query-string
6948 (if (string-match "^\\?" url)
6950 (if (string-match "^\\([^?]+\\)\\?\\(.*\\)" url)
6951 (concat "to=" (match-string 1 url) "&"
6952 (match-string 2 url))
6953 (concat "to=" url)))
6955 subject (cdr-safe (assoc "subject" args)))
6958 (setq func (intern-soft (concat "message-goto-" (downcase (caar args)))))
6961 (message-position-on-field (caar args)))
6962 (insert (gnus-replace-in-string
6963 (mapconcat 'identity (reverse (cdar args)) ", ")
6965 (setq args (cdr args)))
6968 (message-goto-subject))))
6970 (defun gnus-button-embedded-url (address)
6971 "Activate ADDRESS with `browse-url'."
6972 (browse-url (gnus-strip-whitespace address)))
6974 ;;; Next/prev buttons in the article buffer.
6976 (defvar gnus-next-page-line-format "%{%(Next page...%)%}\n")
6977 (defvar gnus-prev-page-line-format "%{%(Previous page...%)%}\n")
6979 (defvar gnus-prev-page-map
6980 (let ((map (make-sparse-keymap)))
6981 (define-key map gnus-mouse-2 'gnus-button-prev-page)
6982 (define-key map "\r" 'gnus-button-prev-page)
6985 (defvar gnus-next-page-map
6986 (let ((map (make-sparse-keymap)))
6987 (unless (>= emacs-major-version 21)
6988 ;; XEmacs doesn't care.
6989 (set-keymap-parent map gnus-article-mode-map))
6990 (define-key map gnus-mouse-2 'gnus-button-next-page)
6991 (define-key map "\r" 'gnus-button-next-page)
6994 (defun gnus-insert-prev-page-button ()
6996 (inhibit-read-only t))
6998 gnus-prev-page-line-format nil
6999 `(keymap ,gnus-prev-page-map
7001 gnus-callback gnus-article-button-prev-page
7002 article-type annotation))
7003 (widget-convert-button
7005 ;; Exclude a newline.
7008 :action 'gnus-button-prev-page
7009 :button-keymap gnus-prev-page-map)))
7011 (defun gnus-button-next-page (&optional args more-args)
7012 "Go to the next page."
7014 (let ((win (selected-window)))
7015 (select-window (gnus-get-buffer-window gnus-article-buffer t))
7016 (gnus-article-next-page)
7017 (select-window win)))
7019 (defun gnus-button-prev-page (&optional args more-args)
7020 "Go to the prev page."
7022 (let ((win (selected-window)))
7023 (select-window (gnus-get-buffer-window gnus-article-buffer t))
7024 (gnus-article-prev-page)
7025 (select-window win)))
7027 (defun gnus-insert-next-page-button ()
7029 (inhibit-read-only t))
7030 (gnus-eval-format gnus-next-page-line-format nil
7031 `(keymap ,gnus-next-page-map
7033 gnus-callback gnus-article-button-next-page
7034 article-type annotation))
7035 (widget-convert-button
7037 ;; Exclude a newline.
7040 :action 'gnus-button-next-page
7041 :button-keymap gnus-next-page-map)))
7043 (defun gnus-article-button-next-page (arg)
7044 "Go to the next page."
7046 (let ((win (selected-window)))
7047 (select-window (gnus-get-buffer-window gnus-article-buffer t))
7048 (gnus-article-next-page)
7049 (select-window win)))
7051 (defun gnus-article-button-prev-page (arg)
7052 "Go to the prev page."
7054 (let ((win (selected-window)))
7055 (select-window (gnus-get-buffer-window gnus-article-buffer t))
7056 (gnus-article-prev-page)
7057 (select-window win)))
7059 (defvar gnus-decode-header-methods
7060 '(mail-decode-encoded-word-region)
7061 "List of methods used to decode headers.
7063 This variable is a list of FUNCTION or (REGEXP . FUNCTION). If item
7064 is FUNCTION, FUNCTION will be applied to all newsgroups. If item is a
7065 \(REGEXP . FUNCTION), FUNCTION will be only apply to the newsgroups
7066 whose names match REGEXP.
7069 \((\"chinese\" . gnus-decode-encoded-word-region-by-guess)
7070 mail-decode-encoded-word-region
7071 (\"chinese\" . rfc1843-decode-region))
7074 (defvar gnus-decode-header-methods-cache nil)
7076 (defun gnus-multi-decode-header (start end)
7077 "Apply the functions from `gnus-encoded-word-methods' that match."
7078 (unless (and gnus-decode-header-methods-cache
7079 (eq gnus-newsgroup-name
7080 (car gnus-decode-header-methods-cache)))
7081 (setq gnus-decode-header-methods-cache (list gnus-newsgroup-name))
7084 (nconc gnus-decode-header-methods-cache (list x))
7085 (if (and gnus-newsgroup-name
7086 (string-match (car x) gnus-newsgroup-name))
7087 (nconc gnus-decode-header-methods-cache
7089 gnus-decode-header-methods))
7090 (let ((xlist gnus-decode-header-methods-cache))
7093 (narrow-to-region start end)
7095 (funcall (pop xlist) (point-min) (point-max))))))
7098 ;;; Treatment top-level handling.
7101 (defun gnus-treat-article (condition &optional part-number total-parts type)
7102 (let ((length (- (point-max) (point-min)))
7103 (alist gnus-treatment-function-alist)
7104 (article-goto-body-goes-to-point-min-p t)
7108 (let ((list gnus-article-treat-types))
7110 (when (string-match (pop list) type)
7111 (throw 'found t)))))))
7112 (highlightp (gnus-visual-p 'article-highlight 'highlight))
7114 (gnus-run-hooks 'gnus-part-display-hook)
7115 (dolist (elem alist)
7118 (when (gnus-buffer-live-p gnus-summary-buffer)
7119 (set-buffer gnus-summary-buffer))
7120 (symbol-value (car elem))))
7121 (when (and (or (consp val)
7123 (gnus-treat-predicate val)
7124 (or (not (get (car elem) 'highlight))
7127 (funcall (cadr elem)))))))
7129 ;; Dynamic variables.
7131 (defvar part-number)
7132 (defvar total-parts)
7137 (defun gnus-treat-predicate (val)
7144 (stringp (car val)))
7145 (apply 'gnus-or (mapcar `(lambda (s)
7146 (string-match s ,(or gnus-newsgroup-name "")))
7149 (let ((pred (pop val)))
7152 (apply 'gnus-or (mapcar 'gnus-treat-predicate val)))
7154 (apply 'gnus-and (mapcar 'gnus-treat-predicate val)))
7156 (not (gnus-treat-predicate (car val))))
7158 (equal (car val) type))
7160 (error "%S is not a valid predicate" pred)))))
7166 (eq part-number total-parts))
7170 (error "%S is not a valid value" val))))
7172 (defun gnus-article-encrypt-body (protocol &optional n)
7173 "Encrypt the article body."
7176 (or gnus-article-encrypt-protocol
7177 (completing-read "Encrypt protocol: "
7178 gnus-article-encrypt-protocol-alist
7180 current-prefix-arg))
7181 (let ((func (cdr (assoc protocol gnus-article-encrypt-protocol-alist))))
7183 (error "Can't find the encrypt protocol %s" protocol))
7184 (if (member gnus-newsgroup-name '("nndraft:delayed"
7187 (error "Can't encrypt the article in group %s"
7188 gnus-newsgroup-name))
7189 (gnus-summary-iterate n
7191 (set-buffer gnus-summary-buffer)
7192 (let ((mail-parse-charset gnus-newsgroup-charset)
7193 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets)
7194 (summary-buffer gnus-summary-buffer)
7196 (gnus-set-global-variables)
7197 (when (gnus-group-read-only-p)
7198 (error "The current newsgroup does not support article encrypt"))
7199 (gnus-summary-show-article t)
7201 (or (mail-header-references gnus-current-headers) ""))
7202 (set-buffer gnus-article-buffer)
7203 (let* ((inhibit-read-only t)
7205 (mapcar (lambda (field)
7206 (and (save-restriction
7207 (message-narrow-to-head)
7208 (goto-char (point-min))
7209 (search-forward field nil t))
7211 (message-narrow-to-field)
7213 (delete-region (point-min) (point-max))
7215 '("Content-Type:" "Content-Transfer-Encoding:"
7216 "Content-Disposition:"))))
7217 (message-narrow-to-head)
7218 (message-remove-header "MIME-Version")
7219 (goto-char (point-max))
7220 (setq point (point))
7221 (insert (apply 'concat headers))
7223 (narrow-to-region point (point-max))
7224 (let ((message-options message-options))
7225 (message-options-set 'message-sender user-mail-address)
7226 (message-options-set 'message-recipients user-mail-address)
7227 (message-options-set 'message-sign-encrypt 'not)
7229 (goto-char (point-min))
7230 (insert "MIME-Version: 1.0\n")
7232 (gnus-summary-edit-article-done
7233 references nil summary-buffer t))
7234 (when gnus-keep-backlog
7235 (gnus-backlog-remove-article
7236 (car gnus-article-current) (cdr gnus-article-current)))
7238 (when (get-buffer gnus-original-article-buffer)
7239 (set-buffer gnus-original-article-buffer)
7240 (setq gnus-original-article nil)))
7241 (when gnus-use-cache
7242 (gnus-cache-update-article
7243 (car gnus-article-current) (cdr gnus-article-current))))))))
7245 (defvar gnus-mime-security-button-line-format "%{%([[%t:%i]%D]%)%}\n"
7246 "The following specs can be used:
7247 %t The security MIME type
7250 %D Details if button is pressed")
7252 (defvar gnus-mime-security-button-end-line-format "%{%([[End of %t]%D]%)%}\n"
7253 "The following specs can be used:
7254 %t The security MIME type
7257 %D Details if button is pressed")
7259 (defvar gnus-mime-security-button-line-format-alist
7260 '((?t gnus-tmp-type ?s)
7261 (?i gnus-tmp-info ?s)
7262 (?d gnus-tmp-details ?s)
7263 (?D gnus-tmp-pressed-details ?s)))
7265 (defvar gnus-mime-security-button-map
7266 (let ((map (make-sparse-keymap)))
7267 (define-key map gnus-mouse-2 'gnus-article-push-button)
7268 (define-key map "\r" 'gnus-article-press-button)
7271 (defvar gnus-mime-security-details-buffer nil)
7273 (defvar gnus-mime-security-button-pressed nil)
7275 (defvar gnus-mime-security-show-details-inline t
7276 "If non-nil, show details in the article buffer.")
7278 (defun gnus-mime-security-verify-or-decrypt (handle)
7279 (mm-remove-parts (cdr handle))
7280 (let ((region (mm-handle-multipart-ctl-parameter handle 'gnus-region))
7281 point (inhibit-read-only t))
7283 (goto-char (car region)))
7285 (narrow-to-region (point) (point))
7286 (with-current-buffer (mm-handle-multipart-original-buffer handle)
7287 (let* ((mm-verify-option 'known)
7288 (mm-decrypt-option 'known)
7289 (nparts (mm-possibly-verify-or-decrypt (cdr handle) handle)))
7290 (unless (eq nparts (cdr handle))
7291 (mm-destroy-parts (cdr handle))
7292 (setcdr handle nparts))))
7293 (setq point (point))
7294 (gnus-mime-display-security handle)
7295 (goto-char (point-max)))
7297 (delete-region (point) (cdr region))
7298 (set-marker (car region) nil)
7299 (set-marker (cdr region) nil))
7302 (defun gnus-mime-security-show-details (handle)
7303 (let ((details (mm-handle-multipart-ctl-parameter handle 'gnus-details)))
7305 (gnus-message 5 "No details.")
7306 (if gnus-mime-security-show-details-inline
7307 (let ((gnus-mime-security-button-pressed
7308 (not (get-text-property (point) 'gnus-mime-details)))
7309 (gnus-mime-security-button-line-format
7310 (get-text-property (point) 'gnus-line-format))
7311 (inhibit-read-only t))
7313 (while (eq (get-text-property (point) 'gnus-line-format)
7314 gnus-mime-security-button-line-format)
7318 (narrow-to-region (point) (point))
7319 (gnus-insert-mime-security-button handle))
7320 (delete-region (point)
7321 (or (text-property-not-all
7324 gnus-mime-security-button-line-format)
7327 (if (gnus-buffer-live-p gnus-mime-security-details-buffer)
7328 (with-current-buffer gnus-mime-security-details-buffer
7331 (setq gnus-mime-security-details-buffer
7332 (gnus-get-buffer-create "*MIME Security Details*")))
7333 (with-current-buffer gnus-mime-security-details-buffer
7335 (goto-char (point-min)))
7336 (pop-to-buffer gnus-mime-security-details-buffer)))))
7338 (defun gnus-mime-security-press-button (handle)
7340 (if (mm-handle-multipart-ctl-parameter handle 'gnus-info)
7341 (gnus-mime-security-show-details handle)
7342 (gnus-mime-security-verify-or-decrypt handle))))
7344 (defun gnus-insert-mime-security-button (handle &optional displayed)
7345 (let* ((protocol (mm-handle-multipart-ctl-parameter handle 'protocol))
7348 (or (nth 2 (assoc protocol mm-verify-function-alist))
7349 (nth 2 (assoc protocol mm-decrypt-function-alist))
7351 (if (equal (car handle) "multipart/signed")
7352 " Signed" " Encrypted")
7355 (or (mm-handle-multipart-ctl-parameter handle 'gnus-info)
7358 (mm-handle-multipart-ctl-parameter handle 'gnus-details))
7359 gnus-tmp-pressed-details
7361 (setq gnus-tmp-details
7362 (if gnus-tmp-details
7363 (concat "\n" gnus-tmp-details)
7365 (setq gnus-tmp-pressed-details
7366 (if gnus-mime-security-button-pressed gnus-tmp-details ""))
7371 gnus-mime-security-button-line-format
7372 gnus-mime-security-button-line-format-alist
7373 `(keymap ,gnus-mime-security-button-map
7374 gnus-callback gnus-mime-security-press-button
7375 gnus-line-format ,gnus-mime-security-button-line-format
7376 gnus-mime-details ,gnus-mime-security-button-pressed
7377 article-type annotation
7380 ;; Exclude a newline.
7383 (widget-convert-button
7386 :action 'gnus-widget-press-button
7387 :button-keymap gnus-mime-security-button-map
7389 (lambda (widget/window &optional overlay pos)
7390 ;; Needed to properly clear the message due to a bug in
7391 ;; wid-edit (XEmacs only).
7392 (when (boundp 'help-echo-owns-message)
7393 (setq help-echo-owns-message t))
7396 (aref gnus-mouse-2 0))))))
7398 (defun gnus-mime-display-security (handle)
7400 (narrow-to-region (point) (point))
7401 (unless (gnus-unbuttonized-mime-type-p (car handle))
7402 (gnus-insert-mime-security-button handle))
7403 (gnus-mime-display-part (cadr handle))
7406 (unless (gnus-unbuttonized-mime-type-p (car handle))
7407 (let ((gnus-mime-security-button-line-format
7408 gnus-mime-security-button-end-line-format))
7409 (gnus-insert-mime-security-button handle)))
7410 (mm-set-handle-multipart-parameter
7412 (cons (set-marker (make-marker) (point-min))
7413 (set-marker (make-marker) (point-max))))))
7419 (run-hooks 'gnus-art-load-hook)
7421 ;;; arch-tag: 2654516f-6279-48f9-a83b-05c1fa450c33
7422 ;;; gnus-art.el ends here