1 ;;; gnus-art.el --- article mode commands for Gnus
2 ;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
3 ;; Free Software Foundation, Inc.
5 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
8 ;; This file is part of GNU Emacs.
10 ;; GNU Emacs is free software; you can redistribute it and/or modify
11 ;; it under the terms of the GNU General Public License as published by
12 ;; the Free Software Foundation; either version 2, or (at your option)
15 ;; GNU Emacs is distributed in the hope that it will be useful,
16 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 ;; GNU General Public License for more details.
20 ;; You should have received a copy of the GNU General Public License
21 ;; along with GNU Emacs; see the file COPYING. If not, write to the
22 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
23 ;; Boston, MA 02111-1307, USA.
29 (eval-when-compile (require 'cl))
43 (autoload 'gnus-msg-mail "gnus-msg" nil t)
44 (autoload 'gnus-button-mailto "gnus-msg")
45 (autoload 'gnus-button-reply "gnus-msg" nil t)
47 (defgroup gnus-article nil
49 :link '(custom-manual "(gnus)The Article Buffer")
52 (defgroup gnus-article-treat nil
53 "Treating article parts."
54 :link '(custom-manual "(gnus)Article Hiding")
57 (defgroup gnus-article-hiding nil
58 "Hiding article parts."
59 :link '(custom-manual "(gnus)Article Hiding")
62 (defgroup gnus-article-highlight nil
63 "Article highlighting."
64 :link '(custom-manual "(gnus)Article Highlighting")
68 (defgroup gnus-article-signature nil
70 :link '(custom-manual "(gnus)Article Signature")
73 (defgroup gnus-article-headers nil
75 :link '(custom-manual "(gnus)Hiding Headers")
78 (defgroup gnus-article-washing nil
79 "Special commands on articles."
80 :link '(custom-manual "(gnus)Article Washing")
83 (defgroup gnus-article-emphasis nil
84 "Fontisizing articles."
85 :link '(custom-manual "(gnus)Article Fontisizing")
88 (defgroup gnus-article-saving nil
90 :link '(custom-manual "(gnus)Saving Articles")
93 (defgroup gnus-article-mime nil
94 "Worshiping the MIME wonder."
95 :link '(custom-manual "(gnus)Using MIME")
98 (defgroup gnus-article-buttons nil
99 "Pushable buttons in the article buffer."
100 :link '(custom-manual "(gnus)Article Buttons")
101 :group 'gnus-article)
103 (defgroup gnus-article-various nil
104 "Other article options."
105 :link '(custom-manual "(gnus)Misc Article")
106 :group 'gnus-article)
108 (defcustom gnus-ignored-headers
111 (concat "^" header ":"))
112 '("Path" "Expires" "Date-Received" "References" "Xref" "Lines"
113 "Relay-Version" "Message-ID" "Approved" "Sender" "Received"
114 "X-UIDL" "MIME-Version" "Return-Path" "In-Reply-To"
115 "Content-Type" "Content-Transfer-Encoding" "X-WebTV-Signature"
116 "X-MimeOLE" "X-MSMail-Priority" "X-Priority" "X-Loop"
117 "X-Authentication-Warning" "X-MIME-Autoconverted" "X-Face"
118 "X-Attribution" "X-Originating-IP" "Delivered-To"
119 "NNTP-[-A-Za-z]+" "Distribution" "X-no-archive" "X-Trace"
120 "X-Complaints-To" "X-NNTP-Posting-Host" "X-Orig.*"
121 "Abuse-Reports-To" "Cache-Post-Path" "X-Article-Creation-Date"
122 "X-Poster" "X-Mail2News-Path" "X-Server-Date" "X-Cache"
123 "Originator" "X-Problems-To" "X-Auth-User" "X-Post-Time"
124 "X-Admin" "X-UID" "Resent-[-A-Za-z]+" "X-Mailing-List"
125 "Precedence" "Original-[-A-Za-z]+" "X-filename" "X-Orcpt"
126 "Old-Received" "X-Pgp" "X-Auth" "X-From-Line"
127 "X-Gnus-Article-Number" "X-Majordomo" "X-Url" "X-Sender"
128 "MBOX-Line" "Priority" "X400-[-A-Za-z]+"
129 "Status" "X-Gnus-Mail-Source" "Cancel-Lock"
130 "X-FTN" "X-EXP32-SerialNo" "Encoding" "Importance"
131 "Autoforwarded" "Original-Encoded-Information-Types" "X-Ya-Pop3"
132 "X-Face-Version" "X-Vms-To" "X-ML-NAME" "X-ML-COUNT"
133 "Mailing-List" "X-finfo" "X-md5sum" "X-md5sum-Origin"
134 "X-Sun-Charset" "X-Accept-Language" "X-Envelope-Sender"
135 "List-[A-Za-z]+" "X-Listprocessor-Version"
136 "X-Received" "X-Distribute" "X-Sequence" "X-Juno-Line-Breaks"
137 "X-Notes-Item" "X-MS-TNEF-Correlator" "x-uunet-gateway"
138 "X-Received" "Content-length" "X-precedence"
139 "X-Authenticated-User" "X-Comment" "X-Report" "X-Abuse-Info"
140 "X-HTTP-Proxy" "X-Mydeja-Info" "X-Copyright" "X-No-Markup"
141 "X-Abuse-Info" "X-From_" "X-Accept-Language" "Errors-To"
142 "X-BeenThere" "X-Mailman-Version" "List-Help" "List-Post"
143 "List-Subscribe" "List-Id" "List-Unsubscribe" "List-Archive"
144 "X-Content-length" "X-Posting-Agent" "Original-Received"
145 "X-Request-PGP" "X-Fingerprint" "X-WRIEnvto" "X-WRIEnvfrom"
146 "X-Virus-Scanned" "X-Delivery-Agent" "Posted-Date" "X-Gateway"
147 "X-Local-Origin" "X-Local-Destination" "X-UserInfo1"
148 "X-Received-Date" "X-Hashcash" "Face" "X-DMCA-Notifications"
149 "X-Abuse-and-DMCA-Info" "X-Postfilter"))
150 "*All headers that start with this regexp will be hidden.
151 This variable can also be a list of regexps of headers to be ignored.
152 If `gnus-visible-headers' is non-nil, this variable will be ignored."
153 :type '(choice :custom-show nil
156 :group 'gnus-article-hiding)
158 (defcustom gnus-visible-headers
159 "^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:"
160 "*All headers that do not match this regexp will be hidden.
161 This variable can also be a list of regexp of headers to remain visible.
162 If this variable is non-nil, `gnus-ignored-headers' will be ignored."
163 :type '(repeat :value-to-internal (lambda (widget value)
164 (custom-split-regexp-maybe value))
165 :match (lambda (widget value)
167 (widget-editable-list-match widget value)))
169 :group 'gnus-article-hiding)
171 (defcustom gnus-sorted-header-list
172 '("^From:" "^Subject:" "^Summary:" "^Keywords:" "^Newsgroups:"
173 "^Followup-To:" "^To:" "^Cc:" "^Date:" "^Organization:")
174 "*This variable is a list of regular expressions.
175 If it is non-nil, headers that match the regular expressions will
176 be placed first in the article buffer in the sequence specified by
178 :type '(repeat regexp)
179 :group 'gnus-article-hiding)
181 (defcustom gnus-boring-article-headers '(empty followup-to reply-to)
182 "Headers that are only to be displayed if they have interesting data.
183 Possible values in this list are:
185 'empty Headers with no content.
186 'newsgroups Newsgroup identical to Gnus group.
187 'to-address To identical to To-address.
188 'followup-to Followup-to identical to Newsgroups.
189 'reply-to Reply-to identical to From.
190 'date Date less than four days old.
191 'long-to To and/or Cc longer than 1024 characters.
192 'many-to Multiple To and/or Cc."
193 :type '(set (const :tag "Headers with no content." empty)
194 (const :tag "Newsgroups identical to Gnus group." newsgroups)
195 (const :tag "To identical to To-address." to-address)
196 (const :tag "Followup-to identical to Newsgroups." followup-to)
197 (const :tag "Reply-to identical to From." reply-to)
198 (const :tag "Date less than four days old." date)
199 (const :tag "To and/or Cc longer than 1024 characters." long-to)
200 (const :tag "Multiple To and/or Cc headers." many-to))
201 :group 'gnus-article-hiding)
203 (defcustom gnus-article-skip-boring nil
204 "Skip over text that is not worth reading.
205 By default, if you set this t, then Gnus will display citations and
206 signatures, but will never scroll down to show you a page consisting
207 only of boring text. Boring text is controlled by
208 `gnus-article-boring-faces'."
210 :group 'gnus-article-hiding)
212 (defcustom gnus-signature-separator '("^-- $" "^-- *$")
213 "Regexp matching signature separator.
214 This can also be a list of regexps. In that case, it will be checked
215 from head to tail looking for a separator. Searches will be done from
216 the end of the buffer."
217 :type '(repeat string)
218 :group 'gnus-article-signature)
220 (defcustom gnus-signature-limit nil
221 "Provide a limit to what is considered a signature.
222 If it is a number, no signature may not be longer (in characters) than
223 that number. If it is a floating point number, no signature may be
224 longer (in lines) than that number. If it is a function, the function
225 will be called without any parameters, and if it returns nil, there is
226 no signature in the buffer. If it is a string, it will be used as a
227 regexp. If it matches, the text in question is not a signature."
228 :type '(choice (integer :value 200)
230 (function :value fun)
231 (regexp :value ".*"))
232 :group 'gnus-article-signature)
234 (defcustom gnus-hidden-properties '(invisible t intangible t)
235 "Property list to use for hiding text."
237 :group 'gnus-article-hiding)
239 ;; Fixme: This isn't the right thing for mixed graphical and and
240 ;; non-graphical frames in a session.
241 (defcustom gnus-article-x-face-command
242 (if (featurep 'xemacs)
243 (if (or (gnus-image-type-available-p 'xface)
244 (gnus-image-type-available-p 'pbm))
245 'gnus-display-x-face-in-from
246 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | ee -")
247 (if (gnus-image-type-available-p 'pbm)
248 'gnus-display-x-face-in-from
249 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | \
251 "*String or function to be executed to display an X-Face header.
252 If it is a string, the command will be executed in a sub-shell
253 asynchronously. The compressed face will be piped to this command."
254 :type `(choice string
255 (function-item gnus-display-x-face-in-from)
259 :group 'gnus-article-washing)
261 (defcustom gnus-article-x-face-too-ugly nil
262 "Regexp matching posters whose face shouldn't be shown automatically."
263 :type '(choice regexp (const nil))
264 :group 'gnus-article-washing)
266 (defcustom gnus-article-banner-alist nil
267 "Banner alist for stripping.
269 ((egroups . \"^[ \\t\\n]*-------------------+\\\\( \\\\(e\\\\|Yahoo! \\\\)Groups Sponsor -+\\\\)?....\\n\\\\(.+\\n\\\\)+\"))"
271 :type '(repeat (cons symbol regexp))
272 :group 'gnus-article-washing)
274 (gnus-define-group-parameter
277 "Alist of regexps (to match group names) and banner."
278 :variable-group gnus-article-washing
280 '(choice :tag "Banner"
282 (const :tag "Remove signature" signature)
283 (symbol :tag "Item in `gnus-article-banner-alist'" none)
285 (const :tag "None" nil))
287 "If non-nil, specify how to remove `banners' from articles.
289 Symbol `signature' means to remove signatures delimited by
290 `gnus-signature-separator'. Any other symbol is used to look up a
291 regular expression to match the banner in `gnus-article-banner-alist'.
292 A string is used as a regular expression to match the banner
295 (defcustom gnus-article-address-banner-alist nil
296 "Alist of mail addresses and banners.
297 Each element has the form (ADDRESS . BANNER), where ADDRESS is a regexp
298 to match a mail address in the From: header, BANNER is one of a symbol
299 `signature', an item in `gnus-article-banner-alist', a regexp and nil.
300 If ADDRESS matches author's mail address, it will remove things like
301 advertisements. For example:
303 \((\"@yoo-hoo\\\\.co\\\\.jp\\\\'\" . \"\\n_+\\nDo You Yoo-hoo!\\\\?\\n.*\\n.*\\n\"))
307 (regexp :tag "Address")
308 (choice :tag "Banner" :value nil
309 (const :tag "Remove signature" signature)
310 (symbol :tag "Item in `gnus-article-banner-alist'" none)
312 (const :tag "None" nil))))
313 :group 'gnus-article-washing)
315 (defcustom gnus-emphasis-alist
317 "\\(\\s-\\|^\\|\\=\\|[-\"]\\|\\s(\\)\\(%s\\(\\w+\\(\\s-+\\w+\\)*[.,]?\\)%s\\)\\(\\([-,.;:!?\"]\\|\\s)\\)+\\s-\\|[?!.]\\s-\\|\\s)\\|\\s-\\)")
322 ("_/" "/_" underline-italic)
323 ("_\\*" "\\*_" underline-bold)
324 ("\\*/" "/\\*" bold-italic)
325 ("_\\*/" "/\\*_" underline-bold-italic))))
329 (format format (car spec) (cadr spec))
330 2 3 (intern (format "gnus-emphasis-%s" (nth 2 spec)))))
332 ("\\(\\s-\\|^\\)\\(-\\(\\(\\w\\|-[^-]\\)+\\)-\\)\\(\\s-\\|[?!.,;]\\)"
333 2 3 gnus-emphasis-strikethru)
334 ("\\(\\s-\\|^\\)\\(_\\(\\(\\w\\|_[^_]\\)+\\)_\\)\\(\\s-\\|[?!.,;]\\)"
335 2 3 gnus-emphasis-underline)))
336 "*Alist that says how to fontify certain phrases.
337 Each item looks like this:
339 (\"_\\\\(\\\\w+\\\\)_\" 0 1 'underline)
341 The first element is a regular expression to be matched. The second
342 is a number that says what regular expression grouping used to find
343 the entire emphasized word. The third is a number that says what
344 regexp grouping should be displayed and highlighted. The fourth
345 is the face used for highlighting."
346 :type '(repeat (list :value ("" 0 0 default)
348 (integer :tag "Match group")
349 (integer :tag "Emphasize group")
351 :group 'gnus-article-emphasis)
353 (defcustom gnus-emphasize-whitespace-regexp "^[ \t]+\\|[ \t]*\n"
354 "A regexp to describe whitespace which should not be emphasized.
355 Typical values are \"^[ \\t]+\\\\|[ \\t]*\\n\" and \"[ \\t]+\\\\|[ \\t]*\\n\".
356 The former avoids underlining of leading and trailing whitespace,
357 and the latter avoids underlining any whitespace at all."
359 :group 'gnus-article-emphasis
362 (defface gnus-emphasis-bold '((t (:bold t)))
363 "Face used for displaying strong emphasized text (*word*)."
364 :group 'gnus-article-emphasis)
366 (defface gnus-emphasis-italic '((t (:italic t)))
367 "Face used for displaying italic emphasized text (/word/)."
368 :group 'gnus-article-emphasis)
370 (defface gnus-emphasis-underline '((t (:underline t)))
371 "Face used for displaying underlined emphasized text (_word_)."
372 :group 'gnus-article-emphasis)
374 (defface gnus-emphasis-underline-bold '((t (:bold t :underline t)))
375 "Face used for displaying underlined bold emphasized text (_*word*_)."
376 :group 'gnus-article-emphasis)
378 (defface gnus-emphasis-underline-italic '((t (:italic t :underline t)))
379 "Face used for displaying underlined italic emphasized text (_/word/_)."
380 :group 'gnus-article-emphasis)
382 (defface gnus-emphasis-bold-italic '((t (:bold t :italic t)))
383 "Face used for displaying bold italic emphasized text (/*word*/)."
384 :group 'gnus-article-emphasis)
386 (defface gnus-emphasis-underline-bold-italic
387 '((t (:bold t :italic t :underline t)))
388 "Face used for displaying underlined bold italic emphasized text.
389 Example: (_/*word*/_)."
390 :group 'gnus-article-emphasis)
392 (defface gnus-emphasis-strikethru '((t (:strikethru t)))
393 "Face used for displaying strike-through text (-word-)."
394 :group 'gnus-article-emphasis)
396 (defface gnus-emphasis-highlight-words
397 '((t (:background "black" :foreground "yellow")))
398 "Face used for displaying highlighted words."
399 :group 'gnus-article-emphasis)
401 (defcustom gnus-article-time-format "%a, %b %d %Y %T %Z"
402 "Format for display of Date headers in article bodies.
403 See `format-time-string' for the possible values.
405 The variable can also be function, which should return a complete Date
406 header. The function is called with one argument, the time, which can
407 be fed to `format-time-string'."
408 :type '(choice string symbol)
409 :link '(custom-manual "(gnus)Article Date")
410 :group 'gnus-article-washing)
413 (autoload 'mail-extract-address-components "mail-extr"))
415 (defcustom gnus-save-all-headers t
416 "*If non-nil, don't remove any headers before saving."
417 :group 'gnus-article-saving
420 (defcustom gnus-prompt-before-saving 'always
421 "*This variable says how much prompting is to be done when saving articles.
422 If it is nil, no prompting will be done, and the articles will be
423 saved to the default files. If this variable is `always', each and
424 every article that is saved will be preceded by a prompt, even when
425 saving large batches of articles. If this variable is neither nil not
426 `always', there the user will be prompted once for a file name for
427 each invocation of the saving commands."
428 :group 'gnus-article-saving
429 :type '(choice (item always)
430 (item :tag "never" nil)
431 (sexp :tag "once" :format "%t\n" :value t)))
433 (defcustom gnus-saved-headers gnus-visible-headers
434 "Headers to keep if `gnus-save-all-headers' is nil.
435 If `gnus-save-all-headers' is non-nil, this variable will be ignored.
436 If that variable is nil, however, all headers that match this regexp
437 will be kept while the rest will be deleted before saving."
438 :group 'gnus-article-saving
441 (defcustom gnus-default-article-saver 'gnus-summary-save-in-rmail
442 "A function to save articles in your favourite format.
443 The function must be interactively callable (in other words, it must
444 be an Emacs command).
446 Gnus provides the following functions:
448 * gnus-summary-save-in-rmail (Rmail format)
449 * gnus-summary-save-in-mail (Unix mail format)
450 * gnus-summary-save-in-folder (MH folder)
451 * gnus-summary-save-in-file (article format)
452 * gnus-summary-save-body-in-file (article body)
453 * gnus-summary-save-in-vm (use VM's folder format)
454 * gnus-summary-write-to-file (article format -- overwrite)."
455 :group 'gnus-article-saving
456 :type '(radio (function-item gnus-summary-save-in-rmail)
457 (function-item gnus-summary-save-in-mail)
458 (function-item gnus-summary-save-in-folder)
459 (function-item gnus-summary-save-in-file)
460 (function-item gnus-summary-save-body-in-file)
461 (function-item gnus-summary-save-in-vm)
462 (function-item gnus-summary-write-to-file)))
464 (defcustom gnus-rmail-save-name 'gnus-plain-save-name
465 "A function generating a file name to save articles in Rmail format.
466 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
467 :group 'gnus-article-saving
470 (defcustom gnus-mail-save-name 'gnus-plain-save-name
471 "A function generating a file name to save articles in Unix mail format.
472 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
473 :group 'gnus-article-saving
476 (defcustom gnus-folder-save-name 'gnus-folder-save-name
477 "A function generating a file name to save articles in MH folder.
478 The function is called with NEWSGROUP, HEADERS, and optional LAST-FOLDER."
479 :group 'gnus-article-saving
482 (defcustom gnus-file-save-name 'gnus-numeric-save-name
483 "A function generating a file name to save articles in article format.
484 The function is called with NEWSGROUP, HEADERS, and optional
486 :group 'gnus-article-saving
489 (defcustom gnus-split-methods
490 '((gnus-article-archive-name)
491 (gnus-article-nndoc-name))
492 "*Variable used to suggest where articles are to be saved.
493 For instance, if you would like to save articles related to Gnus in
494 the file \"gnus-stuff\", and articles related to VM in \"vm-stuff\",
495 you could set this variable to something like:
497 '((\"^Subject:.*gnus\\|^Newsgroups:.*gnus\" \"gnus-stuff\")
498 (\"^Subject:.*vm\\|^Xref:.*vm\" \"vm-stuff\"))
500 This variable is an alist where the where the key is the match and the
501 value is a list of possible files to save in if the match is non-nil.
503 If the match is a string, it is used as a regexp match on the
504 article. If the match is a symbol, that symbol will be funcalled
505 from the buffer of the article to be saved with the newsgroup as the
506 parameter. If it is a list, it will be evaled in the same buffer.
508 If this form or function returns a string, this string will be used as
509 a possible file name; and if it returns a non-nil list, that list will
510 be used as possible file names."
511 :group 'gnus-article-saving
512 :type '(repeat (choice (list :value (fun) function)
513 (cons :value ("" "") regexp (repeat string))
516 (defcustom gnus-page-delimiter "^\^L"
517 "*Regexp describing what to use as article page delimiters.
518 The default value is \"^\^L\", which is a form linefeed at the
519 beginning of a line."
521 :group 'gnus-article-various)
523 (defcustom gnus-article-mode-line-format "Gnus: %g [%w] %S%m"
524 "*The format specification for the article mode line.
525 See `gnus-summary-mode-line-format' for a closer description.
527 The following additional specs are available:
529 %w The article washing status.
530 %m The number of MIME parts in the article."
532 :group 'gnus-article-various)
534 (defcustom gnus-article-mode-hook nil
535 "*A hook for Gnus article mode."
537 :group 'gnus-article-various)
539 (when (featurep 'xemacs)
540 ;; Extracted from gnus-xmas-define in order to preserve user settings
541 (when (fboundp 'turn-off-scroll-in-place)
542 (add-hook 'gnus-article-mode-hook 'turn-off-scroll-in-place))
543 ;; Extracted from gnus-xmas-redefine in order to preserve user settings
544 (add-hook 'gnus-article-mode-hook 'gnus-xmas-article-menu-add))
546 (defcustom gnus-article-menu-hook nil
547 "*Hook run after the creation of the article mode menu."
549 :group 'gnus-article-various)
551 (defcustom gnus-article-prepare-hook nil
552 "*A hook called after an article has been prepared in the article buffer."
554 :group 'gnus-article-various)
556 (defvar gnus-article-hide-pgp-hook nil)
557 (make-obsolete-variable 'gnus-article-hide-pgp-hook
558 "This variable is obsolete in Gnus 5.10.")
560 (defcustom gnus-article-button-face 'bold
561 "Face used for highlighting buttons in the article buffer.
563 An article button is a piece of text that you can activate by pressing
564 `RET' or `mouse-2' above it."
566 :group 'gnus-article-buttons)
568 (defcustom gnus-article-mouse-face 'highlight
569 "Face used for mouse highlighting in the article buffer.
571 Article buttons will be displayed in this face when the cursor is
574 :group 'gnus-article-buttons)
576 (defcustom gnus-signature-face 'gnus-signature-face
577 "Face used for highlighting a signature in the article buffer.
578 Obsolete; use the face `gnus-signature-face' for customizations instead."
580 :group 'gnus-article-highlight
581 :group 'gnus-article-signature)
583 (defface gnus-signature-face
586 "Face used for highlighting a signature in the article buffer."
587 :group 'gnus-article-highlight
588 :group 'gnus-article-signature)
590 (defface gnus-header-from-face
593 (:foreground "spring green"))
596 (:foreground "red3"))
599 "Face used for displaying from headers."
600 :group 'gnus-article-headers
601 :group 'gnus-article-highlight)
603 (defface gnus-header-subject-face
606 (:foreground "SeaGreen3"))
609 (:foreground "red4"))
611 (:bold t :italic t)))
612 "Face used for displaying subject headers."
613 :group 'gnus-article-headers
614 :group 'gnus-article-highlight)
616 (defface gnus-header-newsgroups-face
619 (:foreground "yellow" :italic t))
622 (:foreground "MidnightBlue" :italic t))
625 "Face used for displaying newsgroups headers."
626 :group 'gnus-article-headers
627 :group 'gnus-article-highlight)
629 (defface gnus-header-name-face
632 (:foreground "SeaGreen"))
635 (:foreground "maroon"))
638 "Face used for displaying header names."
639 :group 'gnus-article-headers
640 :group 'gnus-article-highlight)
642 (defface gnus-header-content-face
645 (:foreground "forest green" :italic t))
648 (:foreground "indianred4" :italic t))
650 (:italic t))) "Face used for displaying header content."
651 :group 'gnus-article-headers
652 :group 'gnus-article-highlight)
654 (defcustom gnus-header-face-alist
655 '(("From" nil gnus-header-from-face)
656 ("Subject" nil gnus-header-subject-face)
657 ("Newsgroups:.*," nil gnus-header-newsgroups-face)
658 ("" gnus-header-name-face gnus-header-content-face))
659 "*Controls highlighting of article header.
661 An alist of the form (HEADER NAME CONTENT).
663 HEADER is a regular expression which should match the name of an
664 header header and NAME and CONTENT are either face names or nil.
666 The name of each header field will be displayed using the face
667 specified by the first element in the list where HEADER match the
668 header name and NAME is non-nil. Similarly, the content will be
669 displayed by the first non-nil matching CONTENT face."
670 :group 'gnus-article-headers
671 :group 'gnus-article-highlight
672 :type '(repeat (list (regexp :tag "Header")
674 (item :tag "skip" nil)
675 (face :value default))
676 (choice :tag "Content"
677 (item :tag "skip" nil)
678 (face :value default)))))
680 (defcustom gnus-article-decode-hook
681 '(article-decode-charset article-decode-encoded-words
682 article-decode-group-name)
683 "*Hook run to decode charsets in articles."
684 :group 'gnus-article-headers
687 (defcustom gnus-display-mime-function 'gnus-display-mime
688 "Function to display MIME articles."
689 :group 'gnus-article-mime
692 (defvar gnus-decode-header-function 'mail-decode-encoded-word-region
693 "Function used to decode headers.")
695 (defvar gnus-article-dumbquotes-map
715 "Table for MS-to-Latin1 translation.")
717 (defcustom gnus-ignored-mime-types nil
718 "List of MIME types that should be ignored by Gnus."
720 :group 'gnus-article-mime
721 :type '(repeat regexp))
723 (defcustom gnus-unbuttonized-mime-types '(".*/.*")
724 "List of MIME types that should not be given buttons when rendered inline.
725 See also `gnus-buttonized-mime-types' which may override this variable.
726 This variable is only used when `gnus-inhibit-mime-unbuttonizing' is nil."
728 :group 'gnus-article-mime
729 :type '(repeat regexp))
731 (defcustom gnus-buttonized-mime-types nil
732 "List of MIME types that should be given buttons when rendered inline.
733 If set, this variable overrides `gnus-unbuttonized-mime-types'.
734 To see e.g. security buttons you could set this to
735 `(\"multipart/signed\")'.
736 This variable is only used when `gnus-inhibit-mime-unbuttonizing' is nil."
738 :group 'gnus-article-mime
739 :type '(repeat regexp))
741 (defcustom gnus-inhibit-mime-unbuttonizing nil
742 "If non-nil, all MIME parts get buttons.
743 When nil (the default value), then some MIME parts do not get buttons,
744 as described by the variables `gnus-buttonized-mime-types' and
745 `gnus-unbuttonized-mime-types'."
749 (defcustom gnus-body-boundary-delimiter "_"
750 "String used to delimit header and body.
751 This variable is used by `gnus-article-treat-body-boundary' which can
752 be controlled by `gnus-treat-body-boundary'."
753 :group 'gnus-article-various
754 :type '(choice (item :tag "None" :value nil)
757 (defcustom gnus-picon-databases '("/usr/lib/picon" "/usr/local/faces")
758 "Defines the location of the faces database.
759 For information on obtaining this database of pretty pictures, please
760 see http://www.cs.indiana.edu/picons/ftp/index.html"
761 :type '(repeat directory)
762 :link '(url-link :tag "download"
763 "http://www.cs.indiana.edu/picons/ftp/index.html")
764 :link '(custom-manual "(gnus)Picons")
767 (defun gnus-picons-installed-p ()
768 "Say whether picons are installed on your machine."
769 (let ((installed nil))
770 (dolist (database gnus-picon-databases)
771 (when (file-exists-p database)
775 (defcustom gnus-article-mime-part-function nil
776 "Function called with a MIME handle as the argument.
777 This is meant for people who want to do something automatic based
778 on parts -- for instance, adding Vcard info to a database."
779 :group 'gnus-article-mime
782 (defcustom gnus-mime-multipart-functions nil
783 "An alist of MIME types to functions to display them."
785 :group 'gnus-article-mime
788 (defcustom gnus-article-date-lapsed-new-header nil
789 "Whether the X-Sent and Date headers can coexist.
790 When using `gnus-treat-date-lapsed', the \"X-Sent:\" header will
791 either replace the old \"Date:\" header (if this variable is nil), or
792 be added below it (otherwise)."
794 :group 'gnus-article-headers
797 (defcustom gnus-article-mime-match-handle-function 'undisplayed-alternative
798 "Function called with a MIME handle as the argument.
799 This is meant for people who want to view first matched part.
800 For `undisplayed-alternative' (default), the first undisplayed
801 part or alternative part is used. For `undisplayed', the first
802 undisplayed part is used. For a function, the first part which
803 the function return t is used. For nil, the first part is
806 :group 'gnus-article-mime
808 (item :tag "first" :value nil)
809 (item :tag "undisplayed" :value undisplayed)
810 (item :tag "undisplayed or alternative"
811 :value undisplayed-alternative)
814 (defcustom gnus-mime-action-alist
815 '(("save to file" . gnus-mime-save-part)
816 ("save and strip" . gnus-mime-save-part-and-strip)
817 ("display as text" . gnus-mime-inline-part)
818 ("view the part" . gnus-mime-view-part)
819 ("pipe to command" . gnus-mime-pipe-part)
820 ("toggle display" . gnus-article-press-button)
821 ("toggle display" . gnus-article-view-part-as-charset)
822 ("view as type" . gnus-mime-view-part-as-type)
823 ("view internally" . gnus-mime-view-part-internally)
824 ("view externally" . gnus-mime-view-part-externally))
825 "An alist of actions that run on the MIME attachment."
826 :group 'gnus-article-mime
827 :type '(repeat (cons (string :tag "name")
831 ;;; The treatment variables
834 (defvar gnus-part-display-hook nil
835 "Hook called on parts that are to receive treatment.")
837 (defvar gnus-article-treat-custom
838 '(choice (const :tag "Off" nil)
840 (const :tag "Header" head)
841 (const :tag "Last" last)
842 (integer :tag "Less")
843 (repeat :tag "Groups" regexp)
844 (sexp :tag "Predicate")))
846 (defvar gnus-article-treat-head-custom
847 '(choice (const :tag "Off" nil)
848 (const :tag "Header" head)))
850 (defvar gnus-article-treat-types '("text/plain")
853 (defvar gnus-inhibit-treatment nil
854 "Whether to inhibit treatment.")
856 (defcustom gnus-treat-highlight-signature '(or last (typep "text/x-vcard"))
857 "Highlight the signature.
858 Valid values are nil, t, `head', `last', an integer or a predicate.
859 See Info node `(gnus)Customizing Articles'."
860 :group 'gnus-article-treat
861 :link '(custom-manual "(gnus)Customizing Articles")
862 :type gnus-article-treat-custom)
863 (put 'gnus-treat-highlight-signature 'highlight t)
865 (defcustom gnus-treat-buttonize 100000
867 Valid values are nil, t, `head', `last', an integer or a predicate.
868 See Info node `(gnus)Customizing Articles'."
869 :group 'gnus-article-treat
870 :link '(custom-manual "(gnus)Customizing Articles")
871 :type gnus-article-treat-custom)
872 (put 'gnus-treat-buttonize 'highlight t)
874 (defcustom gnus-treat-buttonize-head 'head
875 "Add buttons to the head.
876 Valid values are nil, t, `head', `last', an integer or a predicate.
877 See Info node `(gnus)Customizing Articles' for details."
878 :group 'gnus-article-treat
879 :link '(custom-manual "(gnus)Customizing Articles")
880 :type gnus-article-treat-head-custom)
881 (put 'gnus-treat-buttonize-head 'highlight t)
883 (defcustom gnus-treat-emphasize
884 (and (or window-system
886 (>= (string-to-number emacs-version) 21))
889 Valid values are nil, t, `head', `last', an integer or a predicate.
890 See Info node `(gnus)Customizing Articles' for details."
891 :group 'gnus-article-treat
892 :link '(custom-manual "(gnus)Customizing Articles")
893 :type gnus-article-treat-custom)
894 (put 'gnus-treat-emphasize 'highlight t)
896 (defcustom gnus-treat-strip-cr nil
897 "Remove carriage returns.
898 Valid values are nil, t, `head', `last', an integer or a predicate.
899 See Info node `(gnus)Customizing Articles' for details."
900 :group 'gnus-article-treat
901 :link '(custom-manual "(gnus)Customizing Articles")
902 :type gnus-article-treat-custom)
904 (defcustom gnus-treat-unsplit-urls nil
905 "Remove newlines from within URLs.
906 Valid values are nil, t, `head', `last', an integer or a predicate.
907 See Info node `(gnus)Customizing Articles' for details."
908 :group 'gnus-article-treat
909 :link '(custom-manual "(gnus)Customizing Articles")
910 :type gnus-article-treat-custom)
912 (defcustom gnus-treat-leading-whitespace nil
913 "Remove leading whitespace in headers.
914 Valid values are nil, t, `head', `last', an integer or a predicate.
915 See Info node `(gnus)Customizing Articles' for details."
916 :group 'gnus-article-treat
917 :link '(custom-manual "(gnus)Customizing Articles")
918 :type gnus-article-treat-custom)
920 (defcustom gnus-treat-hide-headers 'head
922 Valid values are nil, t, `head', `last', an integer or a predicate.
923 See Info node `(gnus)Customizing Articles' for details."
924 :group 'gnus-article-treat
925 :link '(custom-manual "(gnus)Customizing Articles")
926 :type gnus-article-treat-head-custom)
928 (defcustom gnus-treat-hide-boring-headers nil
929 "Hide boring headers.
930 Valid values are nil, t, `head', `last', an integer or a predicate.
931 See Info node `(gnus)Customizing Articles' for details."
932 :group 'gnus-article-treat
933 :link '(custom-manual "(gnus)Customizing Articles")
934 :type gnus-article-treat-head-custom)
936 (defcustom gnus-treat-hide-signature nil
938 Valid values are nil, t, `head', `last', an integer or a predicate.
939 See Info node `(gnus)Customizing Articles' for details."
940 :group 'gnus-article-treat
941 :link '(custom-manual "(gnus)Customizing Articles")
942 :type gnus-article-treat-custom)
944 (defcustom gnus-treat-fill-article nil
946 Valid values are nil, t, `head', `last', an integer or a predicate.
947 See Info node `(gnus)Customizing Articles' for details."
948 :group 'gnus-article-treat
949 :link '(custom-manual "(gnus)Customizing Articles")
950 :type gnus-article-treat-custom)
952 (defcustom gnus-treat-hide-citation nil
954 Valid values are nil, t, `head', `last', an integer or a predicate.
955 See Info node `(gnus)Customizing Articles' for details."
956 :group 'gnus-article-treat
957 :link '(custom-manual "(gnus)Customizing Articles")
958 :type gnus-article-treat-custom)
960 (defcustom gnus-treat-hide-citation-maybe nil
962 Valid values are nil, t, `head', `last', an integer or a predicate.
963 See Info node `(gnus)Customizing Articles' for details."
964 :group 'gnus-article-treat
965 :link '(custom-manual "(gnus)Customizing Articles")
966 :type gnus-article-treat-custom)
968 (defcustom gnus-treat-strip-list-identifiers 'head
969 "Strip list identifiers from `gnus-list-identifiers`.
970 Valid values are nil, t, `head', `last', an integer or a predicate.
971 See Info node `(gnus)Customizing Articles' for details."
973 :group 'gnus-article-treat
974 :link '(custom-manual "(gnus)Customizing Articles")
975 :type gnus-article-treat-custom)
977 (make-obsolete-variable 'gnus-treat-strip-pgp
978 "This option is obsolete in Gnus 5.10.")
980 (defcustom gnus-treat-strip-pem nil
981 "Strip PEM signatures.
982 Valid values are nil, t, `head', `last', an integer or a predicate.
983 See Info node `(gnus)Customizing Articles' for details."
984 :group 'gnus-article-treat
985 :link '(custom-manual "(gnus)Customizing Articles")
986 :type gnus-article-treat-custom)
988 (defcustom gnus-treat-strip-banner t
989 "Strip banners from articles.
990 The banner to be stripped is specified in the `banner' group parameter.
991 Valid values are nil, t, `head', `last', an integer or a predicate.
992 See Info node `(gnus)Customizing Articles' for details."
993 :group 'gnus-article-treat
994 :link '(custom-manual "(gnus)Customizing Articles")
995 :type gnus-article-treat-custom)
997 (defcustom gnus-treat-highlight-headers 'head
998 "Highlight the headers.
999 Valid values are nil, t, `head', `last', an integer or a predicate.
1000 See Info node `(gnus)Customizing Articles' for details."
1001 :group 'gnus-article-treat
1002 :link '(custom-manual "(gnus)Customizing Articles")
1003 :type gnus-article-treat-head-custom)
1004 (put 'gnus-treat-highlight-headers 'highlight t)
1006 (defcustom gnus-treat-highlight-citation t
1007 "Highlight cited text.
1008 Valid values are nil, t, `head', `last', an integer or a predicate.
1009 See Info node `(gnus)Customizing Articles' for details."
1010 :group 'gnus-article-treat
1011 :link '(custom-manual "(gnus)Customizing Articles")
1012 :type gnus-article-treat-custom)
1013 (put 'gnus-treat-highlight-citation 'highlight t)
1015 (defcustom gnus-treat-date-ut nil
1016 "Display the Date in UT (GMT).
1017 Valid values are nil, t, `head', `last', an integer or a predicate.
1018 See Info node `(gnus)Customizing Articles' for details."
1019 :group 'gnus-article-treat
1020 :link '(custom-manual "(gnus)Customizing Articles")
1021 :type gnus-article-treat-head-custom)
1023 (defcustom gnus-treat-date-local nil
1024 "Display the Date in the local timezone.
1025 Valid values are nil, t, `head', `last', an integer or a predicate.
1026 See Info node `(gnus)Customizing Articles' for details."
1027 :group 'gnus-article-treat
1028 :link '(custom-manual "(gnus)Customizing Articles")
1029 :type gnus-article-treat-head-custom)
1031 (defcustom gnus-treat-date-english nil
1032 "Display the Date in a format that can be read aloud in English.
1033 Valid values are nil, t, `head', `last', an integer or a predicate.
1034 See Info node `(gnus)Customizing Articles' for details."
1035 :group 'gnus-article-treat
1036 :link '(custom-manual "(gnus)Customizing Articles")
1037 :type gnus-article-treat-head-custom)
1039 (defcustom gnus-treat-date-lapsed nil
1040 "Display the Date header in a way that says how much time has elapsed.
1041 Valid values are nil, t, `head', `last', an integer or a predicate.
1042 See Info node `(gnus)Customizing Articles' for details."
1043 :group 'gnus-article-treat
1044 :link '(custom-manual "(gnus)Customizing Articles")
1045 :type gnus-article-treat-head-custom)
1047 (defcustom gnus-treat-date-original nil
1048 "Display the date in the original timezone.
1049 Valid values are nil, t, `head', `last', an integer or a predicate.
1050 See Info node `(gnus)Customizing Articles' for details."
1051 :group 'gnus-article-treat
1052 :link '(custom-manual "(gnus)Customizing Articles")
1053 :type gnus-article-treat-head-custom)
1055 (defcustom gnus-treat-date-iso8601 nil
1056 "Display the date in the ISO8601 format.
1057 Valid values are nil, t, `head', `last', an integer or a predicate.
1058 See Info node `(gnus)Customizing Articles' for details."
1060 :group 'gnus-article-treat
1061 :link '(custom-manual "(gnus)Customizing Articles")
1062 :type gnus-article-treat-head-custom)
1064 (defcustom gnus-treat-date-user-defined nil
1065 "Display the date in a user-defined format.
1066 The format is defined by the `gnus-article-time-format' variable.
1067 Valid values are nil, t, `head', `last', an integer or a predicate.
1068 See Info node `(gnus)Customizing Articles' for details."
1069 :group 'gnus-article-treat
1070 :link '(custom-manual "(gnus)Customizing Articles")
1071 :type gnus-article-treat-head-custom)
1073 (defcustom gnus-treat-strip-headers-in-body t
1074 "Strip the X-No-Archive header line from the beginning of the body.
1075 Valid values are nil, t, `head', `last', an integer or a predicate.
1076 See Info node `(gnus)Customizing Articles' for details."
1078 :group 'gnus-article-treat
1079 :link '(custom-manual "(gnus)Customizing Articles")
1080 :type gnus-article-treat-custom)
1082 (defcustom gnus-treat-strip-trailing-blank-lines nil
1083 "Strip trailing blank lines.
1084 Valid values are nil, t, `head', `last', an integer or a predicate.
1085 See Info node `(gnus)Customizing Articles' for details."
1086 :group 'gnus-article-treat
1087 :link '(custom-manual "(gnus)Customizing Articles")
1088 :type gnus-article-treat-custom)
1090 (defcustom gnus-treat-strip-leading-blank-lines nil
1091 "Strip leading blank lines.
1092 Valid values are nil, t, `head', `last', an integer or a predicate.
1093 See Info node `(gnus)Customizing Articles' for details."
1094 :group 'gnus-article-treat
1095 :link '(custom-manual "(gnus)Customizing Articles")
1096 :type gnus-article-treat-custom)
1098 (defcustom gnus-treat-strip-multiple-blank-lines nil
1099 "Strip multiple blank lines.
1100 Valid values are nil, t, `head', `last', an integer or a predicate.
1101 See Info node `(gnus)Customizing Articles' for details."
1102 :group 'gnus-article-treat
1103 :link '(custom-manual "(gnus)Customizing Articles")
1104 :type gnus-article-treat-custom)
1106 (defcustom gnus-treat-unfold-headers 'head
1107 "Unfold folded header lines.
1108 Valid values are nil, t, `head', `last', an integer or a predicate.
1109 See Info node `(gnus)Customizing Articles' for details."
1110 :group 'gnus-article-treat
1111 :link '(custom-manual "(gnus)Customizing Articles")
1112 :type gnus-article-treat-custom)
1114 (defcustom gnus-treat-fold-headers nil
1116 Valid values are nil, t, `head', `last', an integer or a predicate.
1117 See Info node `(gnus)Customizing Articles' for details."
1118 :group 'gnus-article-treat
1119 :link '(custom-manual "(gnus)Customizing Articles")
1120 :type gnus-article-treat-custom)
1122 (defcustom gnus-treat-fold-newsgroups 'head
1123 "Fold the Newsgroups and Followup-To headers.
1124 Valid values are nil, t, `head', `last', an integer or a predicate.
1125 See Info node `(gnus)Customizing Articles' for details."
1126 :group 'gnus-article-treat
1127 :link '(custom-manual "(gnus)Customizing Articles")
1128 :type gnus-article-treat-custom)
1130 (defcustom gnus-treat-overstrike t
1131 "Treat overstrike highlighting.
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-overstrike 'highlight t)
1139 (defcustom gnus-treat-display-xface
1140 (and (not noninteractive)
1141 (or (and (fboundp 'image-type-available-p)
1142 (image-type-available-p 'xbm)
1143 (string-match "^0x" (shell-command-to-string "uncompface")))
1144 (and (featurep 'xemacs)
1147 "Display X-Face headers.
1148 Valid values are nil, t, `head', `last', an integer or a predicate.
1149 See Info node `(gnus)Customizing Articles' and Info node
1150 `(gnus)X-Face' for details."
1151 :group 'gnus-article-treat
1153 :link '(custom-manual "(gnus)Customizing Articles")
1154 :link '(custom-manual "(gnus)X-Face")
1155 :type gnus-article-treat-head-custom)
1156 (put 'gnus-treat-display-xface 'highlight t)
1158 (defcustom gnus-treat-display-face
1159 (and (not noninteractive)
1160 (or (and (fboundp 'image-type-available-p)
1161 (image-type-available-p 'png))
1162 (and (featurep 'xemacs)
1165 "Display Face headers.
1166 Valid values are nil, t, `head', `last', an integer or a predicate.
1167 See Info node `(gnus)Customizing Articles' and Info node
1168 `(gnus)X-Face' for details."
1169 :group 'gnus-article-treat
1171 :link '(custom-manual "(gnus)Customizing Articles")
1172 :link '(custom-manual "(gnus)X-Face")
1173 :type gnus-article-treat-head-custom)
1174 (put 'gnus-treat-display-xface 'highlight t)
1176 (defcustom gnus-treat-display-smileys
1177 (if (or (and (featurep 'xemacs)
1179 (and (fboundp 'image-type-available-p)
1180 (image-type-available-p 'pbm)))
1183 Valid values are nil, t, `head', `last', an integer or a predicate.
1184 See Info node `(gnus)Customizing Articles' and Info node
1185 `(gnus)Smileys' for details."
1186 :group 'gnus-article-treat
1188 :link '(custom-manual "(gnus)Customizing Articles")
1189 :link '(custom-manual "(gnus)Smileys")
1190 :type gnus-article-treat-custom)
1191 (put 'gnus-treat-display-smileys 'highlight t)
1193 (defcustom gnus-treat-from-picon
1194 (if (and (gnus-image-type-available-p 'xpm)
1195 (gnus-picons-installed-p))
1197 "Display picons in the From header.
1198 Valid values are nil, t, `head', `last', an integer or a predicate.
1199 See Info node `(gnus)Customizing Articles' and Info node
1200 `(gnus)Picons' for details."
1201 :group 'gnus-article-treat
1203 :link '(custom-manual "(gnus)Customizing Articles")
1204 :link '(custom-manual "(gnus)Picons")
1205 :type gnus-article-treat-head-custom)
1206 (put 'gnus-treat-from-picon 'highlight t)
1208 (defcustom gnus-treat-mail-picon
1209 (if (and (gnus-image-type-available-p 'xpm)
1210 (gnus-picons-installed-p))
1212 "Display picons in To and Cc headers.
1213 Valid values are nil, t, `head', `last', an integer or a predicate.
1214 See Info node `(gnus)Customizing Articles' and Info node
1215 `(gnus)Picons' for details."
1216 :group 'gnus-article-treat
1218 :link '(custom-manual "(gnus)Customizing Articles")
1219 :link '(custom-manual "(gnus)Picons")
1220 :type gnus-article-treat-head-custom)
1221 (put 'gnus-treat-mail-picon 'highlight t)
1223 (defcustom gnus-treat-newsgroups-picon
1224 (if (and (gnus-image-type-available-p 'xpm)
1225 (gnus-picons-installed-p))
1227 "Display picons in the Newsgroups and Followup-To headers.
1228 Valid values are nil, t, `head', `last', an integer or a predicate.
1229 See Info node `(gnus)Customizing Articles' and Info node
1230 `(gnus)Picons' for details."
1231 :group 'gnus-article-treat
1233 :link '(custom-manual "(gnus)Customizing Articles")
1234 :link '(custom-manual "(gnus)Picons")
1235 :type gnus-article-treat-head-custom)
1236 (put 'gnus-treat-newsgroups-picon 'highlight t)
1238 (defcustom gnus-treat-body-boundary
1239 (if (or gnus-treat-newsgroups-picon
1240 gnus-treat-mail-picon
1241 gnus-treat-from-picon)
1243 "Draw a boundary at the end of the headers.
1244 Valid values are nil, t, `head', `last', an integer or a predicate.
1245 See Info node `(gnus)Customizing Articles' for details."
1247 :group 'gnus-article-treat
1248 :link '(custom-manual "(gnus)Customizing Articles")
1249 :type gnus-article-treat-custom)
1251 (defcustom gnus-treat-capitalize-sentences nil
1252 "Capitalize sentence-starting words.
1253 Valid values are nil, t, `head', `last', an integer or a predicate.
1254 See Info node `(gnus)Customizing Articles' for details."
1256 :group 'gnus-article-treat
1257 :link '(custom-manual "(gnus)Customizing Articles")
1258 :type gnus-article-treat-custom)
1260 (defcustom gnus-treat-wash-html nil
1262 Valid values are nil, t, `head', `last', an integer or a predicate.
1263 See Info node `(gnus)Customizing Articles' for details."
1264 :group 'gnus-article-treat
1265 :link '(custom-manual "(gnus)Customizing Articles")
1266 :type gnus-article-treat-custom)
1268 (defcustom gnus-treat-fill-long-lines nil
1270 Valid values are nil, t, `head', `last', an integer or a predicate.
1271 See Info node `(gnus)Customizing Articles' for details."
1272 :group 'gnus-article-treat
1273 :link '(custom-manual "(gnus)Customizing Articles")
1274 :type gnus-article-treat-custom)
1276 (defcustom gnus-treat-play-sounds nil
1278 Valid values are nil, t, `head', `last', an integer or a predicate.
1279 See Info node `(gnus)Customizing Articles' for details."
1281 :group 'gnus-article-treat
1282 :link '(custom-manual "(gnus)Customizing Articles")
1283 :type gnus-article-treat-custom)
1285 (defcustom gnus-treat-translate nil
1286 "Translate articles from one language to another.
1287 Valid values are nil, t, `head', `last', an integer or a predicate.
1288 See Info node `(gnus)Customizing Articles' for details."
1290 :group 'gnus-article-treat
1291 :link '(custom-manual "(gnus)Customizing Articles")
1292 :type gnus-article-treat-custom)
1294 (defcustom gnus-treat-x-pgp-sig nil
1296 To automatically treat X-PGP-Sig, set it to head.
1297 Valid values are nil, t, `head', `last', an integer or a predicate.
1298 See Info node `(gnus)Customizing Articles' for details."
1299 :group 'gnus-article-treat
1300 :group 'mime-security
1301 :link '(custom-manual "(gnus)Customizing Articles")
1302 :type gnus-article-treat-custom)
1304 (defvar gnus-article-encrypt-protocol-alist
1305 '(("PGP" . mml2015-self-encrypt)))
1307 ;; Set to nil if more than one protocol added to
1308 ;; gnus-article-encrypt-protocol-alist.
1309 (defcustom gnus-article-encrypt-protocol "PGP"
1310 "The protocol used for encrypt articles.
1311 It is a string, such as \"PGP\". If nil, ask user."
1313 :group 'mime-security)
1315 (defvar gnus-article-wash-function nil
1316 "Function used for converting HTML into text.")
1318 ;;; Internal variables
1320 (defvar gnus-english-month-names
1321 '("January" "February" "March" "April" "May" "June" "July" "August"
1322 "September" "October" "November" "December"))
1324 (defvar article-goto-body-goes-to-point-min-p nil)
1325 (defvar gnus-article-wash-types nil)
1326 (defvar gnus-article-emphasis-alist nil)
1327 (defvar gnus-article-image-alist nil)
1329 (defvar gnus-article-mime-handle-alist-1 nil)
1330 (defvar gnus-treatment-function-alist
1331 '((gnus-treat-x-pgp-sig gnus-article-verify-x-pgp-sig)
1332 (gnus-treat-strip-banner gnus-article-strip-banner)
1333 (gnus-treat-strip-headers-in-body gnus-article-strip-headers-in-body)
1334 (gnus-treat-highlight-signature gnus-article-highlight-signature)
1335 (gnus-treat-buttonize gnus-article-add-buttons)
1336 (gnus-treat-fill-article gnus-article-fill-cited-article)
1337 (gnus-treat-fill-long-lines gnus-article-fill-long-lines)
1338 (gnus-treat-strip-cr gnus-article-remove-cr)
1339 (gnus-treat-unsplit-urls gnus-article-unsplit-urls)
1340 (gnus-treat-date-ut gnus-article-date-ut)
1341 (gnus-treat-date-local gnus-article-date-local)
1342 (gnus-treat-date-english gnus-article-date-english)
1343 (gnus-treat-date-lapsed gnus-article-date-lapsed)
1344 (gnus-treat-date-original gnus-article-date-original)
1345 (gnus-treat-date-user-defined gnus-article-date-user)
1346 (gnus-treat-date-iso8601 gnus-article-date-iso8601)
1347 (gnus-treat-display-xface gnus-article-display-x-face)
1348 (gnus-treat-display-face gnus-article-display-face)
1349 (gnus-treat-hide-headers gnus-article-maybe-hide-headers)
1350 (gnus-treat-hide-boring-headers gnus-article-hide-boring-headers)
1351 (gnus-treat-hide-signature gnus-article-hide-signature)
1352 (gnus-treat-strip-list-identifiers gnus-article-hide-list-identifiers)
1353 (gnus-treat-leading-whitespace gnus-article-remove-leading-whitespace)
1354 (gnus-treat-strip-pem gnus-article-hide-pem)
1355 (gnus-treat-from-picon gnus-treat-from-picon)
1356 (gnus-treat-mail-picon gnus-treat-mail-picon)
1357 (gnus-treat-newsgroups-picon gnus-treat-newsgroups-picon)
1358 (gnus-treat-highlight-headers gnus-article-highlight-headers)
1359 (gnus-treat-highlight-signature gnus-article-highlight-signature)
1360 (gnus-treat-strip-trailing-blank-lines
1361 gnus-article-remove-trailing-blank-lines)
1362 (gnus-treat-strip-leading-blank-lines
1363 gnus-article-strip-leading-blank-lines)
1364 (gnus-treat-strip-multiple-blank-lines
1365 gnus-article-strip-multiple-blank-lines)
1366 (gnus-treat-overstrike gnus-article-treat-overstrike)
1367 (gnus-treat-unfold-headers gnus-article-treat-unfold-headers)
1368 (gnus-treat-fold-headers gnus-article-treat-fold-headers)
1369 (gnus-treat-fold-newsgroups gnus-article-treat-fold-newsgroups)
1370 (gnus-treat-buttonize-head gnus-article-add-buttons-to-head)
1371 (gnus-treat-display-smileys gnus-treat-smiley)
1372 (gnus-treat-capitalize-sentences gnus-article-capitalize-sentences)
1373 (gnus-treat-wash-html gnus-article-wash-html)
1374 (gnus-treat-emphasize gnus-article-emphasize)
1375 (gnus-treat-hide-citation gnus-article-hide-citation)
1376 (gnus-treat-hide-citation-maybe gnus-article-hide-citation-maybe)
1377 (gnus-treat-highlight-citation gnus-article-highlight-citation)
1378 (gnus-treat-body-boundary gnus-article-treat-body-boundary)
1379 (gnus-treat-play-sounds gnus-earcon-display)))
1381 (defvar gnus-article-mime-handle-alist nil)
1382 (defvar article-lapsed-timer nil)
1383 (defvar gnus-article-current-summary nil)
1385 (defvar gnus-article-mode-syntax-table
1386 (let ((table (copy-syntax-table text-mode-syntax-table)))
1387 ;; This causes the citation match run O(2^n).
1388 ;; (modify-syntax-entry ?- "w" table)
1389 (modify-syntax-entry ?> ")<" table)
1390 (modify-syntax-entry ?< "(>" table)
1391 ;; make M-. in article buffers work for `foo' strings
1392 (modify-syntax-entry ?' " " table)
1393 (modify-syntax-entry ?` " " table)
1395 "Syntax table used in article mode buffers.
1396 Initialized from `text-mode-syntax-table.")
1398 (defvar gnus-save-article-buffer nil)
1400 (defvar gnus-article-mode-line-format-alist
1401 (nconc '((?w (gnus-article-wash-status) ?s)
1402 (?m (gnus-article-mime-part-status) ?s))
1403 gnus-summary-mode-line-format-alist))
1405 (defvar gnus-number-of-articles-to-be-saved nil)
1407 (defvar gnus-inhibit-hiding nil)
1409 ;;; Macros for dealing with the article buffer.
1411 (defmacro gnus-with-article-headers (&rest forms)
1413 (set-buffer gnus-article-buffer)
1415 (let ((buffer-read-only nil)
1416 (inhibit-point-motion-hooks t)
1417 (case-fold-search t))
1418 (article-narrow-to-head)
1421 (put 'gnus-with-article-headers 'lisp-indent-function 0)
1422 (put 'gnus-with-article-headers 'edebug-form-spec '(body))
1424 (defmacro gnus-with-article-buffer (&rest forms)
1426 (set-buffer gnus-article-buffer)
1427 (let ((buffer-read-only nil))
1430 (put 'gnus-with-article-buffer 'lisp-indent-function 0)
1431 (put 'gnus-with-article-buffer 'edebug-form-spec '(body))
1433 (defun gnus-article-goto-header (header)
1434 "Go to HEADER, which is a regular expression."
1435 (re-search-forward (concat "^\\(" header "\\):") nil t))
1437 (defsubst gnus-article-hide-text (b e props)
1438 "Set text PROPS on the B to E region, extending `intangible' 1 past B."
1439 (gnus-add-text-properties-when 'article-type nil b e props)
1440 (when (memq 'intangible props)
1442 (max (1- b) (point-min))
1443 b 'intangible (cddr (memq 'intangible props)))))
1445 (defsubst gnus-article-unhide-text (b e)
1446 "Remove hidden text properties from region between B and E."
1447 (remove-text-properties b e gnus-hidden-properties)
1448 (when (memq 'intangible gnus-hidden-properties)
1449 (put-text-property (max (1- b) (point-min))
1450 b 'intangible nil)))
1452 (defun gnus-article-hide-text-type (b e type)
1453 "Hide text of TYPE between B and E."
1454 (gnus-add-wash-type type)
1455 (gnus-article-hide-text
1456 b e (cons 'article-type (cons type gnus-hidden-properties))))
1458 (defun gnus-article-unhide-text-type (b e type)
1459 "Unhide text of TYPE between B and E."
1460 (gnus-delete-wash-type type)
1461 (remove-text-properties
1462 b e (cons 'article-type (cons type gnus-hidden-properties)))
1463 (when (memq 'intangible gnus-hidden-properties)
1464 (put-text-property (max (1- b) (point-min))
1465 b 'intangible nil)))
1467 (defun gnus-article-hide-text-of-type (type)
1468 "Hide text of TYPE in the current buffer."
1470 (let ((b (point-min))
1472 (while (setq b (text-property-any b e 'article-type type))
1473 (add-text-properties b (incf b) gnus-hidden-properties)))))
1475 (defun gnus-article-delete-text-of-type (type)
1476 "Delete text of TYPE in the current buffer."
1478 (let ((b (point-min)))
1479 (while (setq b (text-property-any b (point-max) 'article-type type))
1481 b (or (text-property-not-all b (point-max) 'article-type type)
1484 (defun gnus-article-delete-invisible-text ()
1485 "Delete all invisible text in the current buffer."
1487 (let ((b (point-min)))
1488 (while (setq b (text-property-any b (point-max) 'invisible t))
1490 b (or (text-property-not-all b (point-max) 'invisible t)
1493 (defun gnus-article-text-type-exists-p (type)
1494 "Say whether any text of type TYPE exists in the buffer."
1495 (text-property-any (point-min) (point-max) 'article-type type))
1497 (defsubst gnus-article-header-rank ()
1498 "Give the rank of the string HEADER as given by `gnus-sorted-header-list'."
1499 (let ((list gnus-sorted-header-list)
1502 (if (looking-at (car list))
1504 (setq list (cdr list))
1508 (defun article-hide-headers (&optional arg delete)
1509 "Hide unwanted headers and possibly sort them as well."
1511 ;; This function might be inhibited.
1512 (unless gnus-inhibit-hiding
1515 (let ((buffer-read-only nil)
1516 (case-fold-search t)
1517 (max (1+ (length gnus-sorted-header-list)))
1518 (ignored (when (not gnus-visible-headers)
1519 (cond ((stringp gnus-ignored-headers)
1520 gnus-ignored-headers)
1521 ((listp gnus-ignored-headers)
1522 (mapconcat 'identity gnus-ignored-headers
1525 (cond ((stringp gnus-visible-headers)
1526 gnus-visible-headers)
1527 ((and gnus-visible-headers
1528 (listp gnus-visible-headers))
1529 (mapconcat 'identity gnus-visible-headers "\\|"))))
1530 (inhibit-point-motion-hooks t)
1532 ;; First we narrow to just the headers.
1533 (article-narrow-to-head)
1534 ;; Hide any "From " lines at the beginning of (mail) articles.
1535 (while (looking-at "From ")
1538 (delete-region (point-min) (point)))
1539 ;; Then treat the rest of the header lines.
1540 ;; Then we use the two regular expressions
1541 ;; `gnus-ignored-headers' and `gnus-visible-headers' to
1542 ;; select which header lines is to remain visible in the
1544 (while (re-search-forward "^[^ \t:]*:" nil t)
1546 ;; Mark the rank of the header.
1548 (point) (1+ (point)) 'message-rank
1549 (if (or (and visible (looking-at visible))
1551 (not (looking-at ignored))))
1552 (gnus-article-header-rank)
1555 (message-sort-headers-1)
1556 (when (setq beg (text-property-any
1557 (point-min) (point-max) 'message-rank (+ 2 max)))
1558 ;; We delete the unwanted headers.
1559 (gnus-add-wash-type 'headers)
1560 (add-text-properties (point-min) (+ 5 (point-min))
1561 '(article-type headers dummy-invisible t))
1562 (delete-region beg (point-max))))))))
1564 (defun article-hide-boring-headers (&optional arg)
1565 "Toggle hiding of headers that aren't very interesting.
1566 If given a negative prefix, always show; if given a positive prefix,
1568 (interactive (gnus-article-hidden-arg))
1569 (when (and (not (gnus-article-check-hidden-text 'boring-headers arg))
1570 (not gnus-show-all-headers))
1573 (let ((buffer-read-only nil)
1574 (list gnus-boring-article-headers)
1575 (inhibit-point-motion-hooks t)
1577 (article-narrow-to-head)
1579 (setq elem (pop list))
1580 (goto-char (point-min))
1582 ;; Hide empty headers.
1584 (while (re-search-forward "^[^: \t]+:[ \t]*\n[^ \t]" nil t)
1586 (gnus-article-hide-text-type
1587 (progn (beginning-of-line) (point))
1590 (if (re-search-forward "^[^ \t]" nil t)
1594 ;; Hide boring Newsgroups header.
1595 ((eq elem 'newsgroups)
1596 (when (gnus-string-equal
1597 (gnus-fetch-field "newsgroups")
1598 (gnus-group-real-name
1599 (if (boundp 'gnus-newsgroup-name)
1602 (gnus-article-hide-header "newsgroups")))
1603 ((eq elem 'to-address)
1604 (let ((to (message-fetch-field "to"))
1606 (gnus-parameter-to-address
1607 (if (boundp 'gnus-newsgroup-name)
1608 gnus-newsgroup-name ""))))
1609 (when (and to to-address
1612 ;; only one address in To
1613 (nth 1 (mail-extract-address-components to))
1615 (gnus-article-hide-header "to"))))
1616 ((eq elem 'followup-to)
1617 (when (gnus-string-equal
1618 (message-fetch-field "followup-to")
1619 (message-fetch-field "newsgroups"))
1620 (gnus-article-hide-header "followup-to")))
1621 ((eq elem 'reply-to)
1622 (let ((from (message-fetch-field "from"))
1623 (reply-to (message-fetch-field "reply-to")))
1628 (nth 1 (mail-extract-address-components from))
1629 (nth 1 (mail-extract-address-components reply-to)))))
1630 (gnus-article-hide-header "reply-to"))))
1632 (let ((date (message-fetch-field "date")))
1634 (< (days-between (current-time-string) date)
1636 (gnus-article-hide-header "date"))))
1638 (let ((to (message-fetch-field "to"))
1639 (cc (message-fetch-field "cc")))
1640 (when (> (length to) 1024)
1641 (gnus-article-hide-header "to"))
1642 (when (> (length cc) 1024)
1643 (gnus-article-hide-header "cc"))))
1647 (goto-char (point-min))
1648 (while (re-search-forward "^to:" nil t)
1649 (setq to-count (1+ to-count)))
1650 (when (> to-count 1)
1651 (while (> to-count 0)
1652 (goto-char (point-min))
1654 (re-search-forward "^to:" nil nil to-count)
1656 (narrow-to-region (point) (point-max))
1657 (gnus-article-hide-header "to"))
1658 (setq to-count (1- to-count))))
1659 (goto-char (point-min))
1660 (while (re-search-forward "^cc:" nil t)
1661 (setq cc-count (1+ cc-count)))
1662 (when (> cc-count 1)
1663 (while (> cc-count 0)
1664 (goto-char (point-min))
1666 (re-search-forward "^cc:" nil nil cc-count)
1668 (narrow-to-region (point) (point-max))
1669 (gnus-article-hide-header "cc"))
1670 (setq cc-count (1- cc-count)))))))))))))
1672 (defun gnus-article-hide-header (header)
1674 (goto-char (point-min))
1675 (when (re-search-forward (concat "^" header ":") nil t)
1676 (gnus-article-hide-text-type
1677 (progn (beginning-of-line) (point))
1680 (if (re-search-forward "^[^ \t]" nil t)
1685 (defvar gnus-article-normalized-header-length 40
1686 "Length of normalized headers.")
1688 (defun article-normalize-headers ()
1689 "Make all header lines 40 characters long."
1691 (let ((buffer-read-only nil)
1695 (article-narrow-to-head)
1698 ((< (setq column (- (gnus-point-at-eol) (point)))
1699 gnus-article-normalized-header-length)
1701 (insert (make-string
1702 (- gnus-article-normalized-header-length column)
1704 ((> column gnus-article-normalized-header-length)
1705 (gnus-put-text-property
1707 (forward-char gnus-article-normalized-header-length)
1714 (forward-line 1))))))
1716 (defun article-treat-dumbquotes ()
1717 "Translate M****s*** sm*rtq**t*s into proper text.
1718 Note that this function guesses whether a character is a sm*rtq**t* or
1719 not, so it should only be used interactively.
1721 Sm*rtq**t*s are M****s***'s unilateral extension to the character map
1722 in an attempt to provide more quoting characters. If you see
1723 something like \\222 or \\264 where you're expecting some kind of
1724 apostrophe or quotation mark, then try this wash."
1726 (article-translate-strings gnus-article-dumbquotes-map))
1728 (defun article-translate-characters (from to)
1729 "Translate all characters in the body of the article according to FROM and TO.
1730 FROM is a string of characters to translate from; to is a string of
1731 characters to translate to."
1733 (when (article-goto-body)
1734 (let ((buffer-read-only nil)
1735 (x (make-string 225 ?x))
1737 (while (< (incf i) (length x))
1740 (while (< i (length from))
1741 (aset x (aref from i) (aref to i))
1743 (translate-region (point) (point-max) x)))))
1745 (defun article-translate-strings (map)
1746 "Translate all string in the body of the article according to MAP.
1747 MAP is an alist where the elements are on the form (\"from\" \"to\")."
1749 (when (article-goto-body)
1750 (let ((buffer-read-only nil)
1752 (while (setq elem (pop map))
1754 (while (search-forward (car elem) nil t)
1755 (replace-match (cadr elem)))))))))
1757 (defun article-treat-overstrike ()
1758 "Translate overstrikes into bold text."
1761 (when (article-goto-body)
1762 (let ((buffer-read-only nil))
1763 (while (search-forward "\b" nil t)
1764 (let ((next (char-after))
1765 (previous (char-after (- (point) 2))))
1766 ;; We do the boldification/underlining by hiding the
1767 ;; overstrikes and putting the proper text property
1771 (gnus-article-hide-text-type (- (point) 2) (point) 'overstrike)
1772 (put-text-property (point) (1+ (point)) 'face 'bold))
1774 (gnus-article-hide-text-type
1775 (1- (point)) (1+ (point)) 'overstrike)
1777 (- (point) 2) (1- (point)) 'face 'underline))
1779 (gnus-article-hide-text-type (- (point) 2) (point) 'overstrike)
1781 (point) (1+ (point)) 'face 'underline)))))))))
1783 (defun gnus-article-treat-unfold-headers ()
1784 "Unfold folded message headers.
1785 Only the headers that fit into the current window width will be
1788 (gnus-with-article-headers
1792 (mail-header-narrow-to-field)
1793 (let ((header (buffer-substring (point-min) (point-max))))
1796 (goto-char (point-min))
1797 (while (re-search-forward "\n[\t ]" nil t)
1798 (replace-match " " t t)))
1799 (setq length (- (point-max) (point-min) 1)))
1800 (when (< length (window-width))
1801 (while (re-search-forward "\n[\t ]" nil t)
1802 (replace-match " " t t)))
1803 (goto-char (point-max)))))))
1805 (defun gnus-article-treat-fold-headers ()
1806 "Fold message headers."
1808 (gnus-with-article-headers
1811 (mail-header-narrow-to-field)
1812 (mail-header-fold-field)
1813 (goto-char (point-max))))))
1815 (defun gnus-treat-smiley ()
1816 "Toggle display of textual emoticons (\"smileys\") as small graphical icons."
1818 (gnus-with-article-buffer
1819 (if (memq 'smiley gnus-article-wash-types)
1820 (gnus-delete-images 'smiley)
1822 (let ((images (smiley-region (point) (point-max))))
1824 (gnus-add-wash-type 'smiley)
1825 (dolist (image images)
1826 (gnus-add-image 'smiley image)))))))
1828 (defun gnus-article-remove-images ()
1829 "Remove all images from the article buffer."
1831 (gnus-with-article-buffer
1832 (dolist (elem gnus-article-image-alist)
1833 (gnus-delete-images (car elem)))))
1835 (defun gnus-article-treat-fold-newsgroups ()
1836 "Unfold folded message headers.
1837 Only the headers that fit into the current window width will be
1840 (gnus-with-article-headers
1841 (while (gnus-article-goto-header "newsgroups\\|followup-to")
1843 (mail-header-narrow-to-field)
1844 (while (re-search-forward ", *" nil t)
1845 (replace-match ", " t t))
1846 (mail-header-fold-field)
1847 (goto-char (point-max))))))
1849 (defun gnus-article-treat-body-boundary ()
1850 "Place a boundary line at the end of the headers."
1852 (when (and gnus-body-boundary-delimiter
1853 (> (length gnus-body-boundary-delimiter) 0))
1854 (gnus-with-article-headers
1855 (goto-char (point-max))
1856 (let ((start (point)))
1857 (insert "X-Boundary: ")
1858 (gnus-add-text-properties start (point) '(invisible t intangible t))
1860 (while (>= (1- (window-width)) (length str))
1861 (setq str (concat str gnus-body-boundary-delimiter)))
1862 (substring str 0 (1- (window-width))))
1864 (gnus-put-text-property start (point) 'gnus-decoration 'header)))))
1866 (defun article-fill-long-lines ()
1867 "Fill lines that are wider than the window width."
1870 (let ((buffer-read-only nil)
1871 (width (window-width (get-buffer-window (current-buffer)))))
1874 (let ((adaptive-fill-mode nil)) ;Why? -sm
1877 (when (>= (current-column) (min fill-column width))
1878 (narrow-to-region (min (1+ (point)) (point-max)) (gnus-point-at-bol))
1879 (let ((goback (point-marker)))
1880 (fill-paragraph nil)
1881 (goto-char (marker-position goback)))
1883 (forward-line 1)))))))
1885 (defun article-capitalize-sentences ()
1886 "Capitalize the first word in each sentence."
1889 (let ((buffer-read-only nil)
1890 (paragraph-start "^[\n\^L]"))
1894 (forward-sentence)))))
1896 (defun article-remove-cr ()
1897 "Remove trailing CRs and then translate remaining CRs into LFs."
1900 (let ((buffer-read-only nil))
1901 (goto-char (point-min))
1902 (while (re-search-forward "\r+$" nil t)
1903 (replace-match "" t t))
1904 (goto-char (point-min))
1905 (while (search-forward "\r" nil t)
1906 (replace-match "\n" t t)))))
1908 (defun article-remove-trailing-blank-lines ()
1909 "Remove all trailing blank lines from the article."
1912 (let ((buffer-read-only nil))
1913 (goto-char (point-max))
1917 (while (and (not (bobp))
1918 (looking-at "^[ \t]*$")
1919 (not (gnus-annotation-in-region-p
1920 (point) (gnus-point-at-eol))))
1925 (defun article-display-face ()
1926 "Display any Face headers in the header."
1928 (gnus-with-article-headers
1929 (let ((face (message-fetch-field "face")))
1931 (let ((png (gnus-convert-face-to-png face))
1934 (setq image (gnus-create-image png 'png t))
1935 (gnus-article-goto-header "from")
1937 (insert "From: [no `from' set]\n")
1939 (gnus-add-wash-type 'face)
1940 (gnus-add-image 'face image)
1941 (gnus-put-image image)))))))
1943 (defun article-display-x-face (&optional force)
1944 "Look for an X-Face header and display it if present."
1945 (interactive (list 'force))
1946 (let ((wash-face-p buffer-read-only)) ;; When type `W f'
1947 (gnus-with-article-headers
1948 ;; Delete the old process, if any.
1949 (when (process-status "article-x-face")
1950 (delete-process "article-x-face"))
1951 (if (memq 'xface gnus-article-wash-types)
1952 ;; We have already displayed X-Faces, so we remove them
1954 (gnus-delete-images 'xface)
1956 (let (x-faces from face)
1958 (when (and wash-face-p
1960 (goto-char (point-min))
1961 (not (re-search-forward
1962 "^X-Face\\(-[0-9]+\\)?:[\t ]*" nil t)))
1963 (gnus-buffer-live-p gnus-original-article-buffer))
1964 ;; If type `W f', use gnus-original-article-buffer,
1965 ;; otherwise use the current buffer because displaying
1966 ;; RFC822 parts calls this function too.
1967 (set-buffer gnus-original-article-buffer))
1969 (mail-narrow-to-head)
1970 (while (gnus-article-goto-header "X-Face")
1971 (push (mail-header-field-value) x-faces))
1972 (setq from (message-fetch-field "from"))))
1973 ;; Sending multiple EOFs to xv doesn't work, so we only do a
1974 ;; single external face.
1975 (when (stringp gnus-article-x-face-command)
1976 (setq x-faces (list (car x-faces))))
1977 (while (and (setq face (pop x-faces))
1978 gnus-article-x-face-command
1980 ;; Check whether this face is censored.
1981 (not gnus-article-x-face-too-ugly)
1982 (and gnus-article-x-face-too-ugly from
1983 (not (string-match gnus-article-x-face-too-ugly
1985 ;; We display the face.
1986 (if (symbolp gnus-article-x-face-command)
1987 ;; The command is a lisp function, so we call it.
1988 (if (gnus-functionp gnus-article-x-face-command)
1989 (funcall gnus-article-x-face-command face)
1990 (error "%s is not a function" gnus-article-x-face-command))
1991 ;; The command is a string, so we interpret the command
1992 ;; as a, well, command, and fork it off.
1993 (let ((process-connection-type nil))
1994 (process-kill-without-query
1996 "article-x-face" nil shell-file-name shell-command-switch
1997 gnus-article-x-face-command))
2000 (process-send-region "article-x-face"
2001 (point-min) (point-max)))
2002 (process-send-eof "article-x-face")))))))))
2004 (defun article-decode-mime-words ()
2005 "Decode all MIME-encoded words in the article."
2008 (set-buffer gnus-article-buffer)
2009 (let ((inhibit-point-motion-hooks t)
2011 (mail-parse-charset gnus-newsgroup-charset)
2012 (mail-parse-ignored-charsets
2013 (save-excursion (set-buffer gnus-summary-buffer)
2014 gnus-newsgroup-ignored-charsets)))
2015 (mail-decode-encoded-word-region (point-min) (point-max)))))
2017 (defun article-decode-charset (&optional prompt)
2018 "Decode charset-encoded text in the article.
2019 If PROMPT (the prefix), prompt for a coding system to use."
2021 (let ((inhibit-point-motion-hooks t) (case-fold-search t)
2023 (mail-parse-charset gnus-newsgroup-charset)
2024 (mail-parse-ignored-charsets
2025 (save-excursion (condition-case nil
2026 (set-buffer gnus-summary-buffer)
2028 gnus-newsgroup-ignored-charsets))
2029 ct cte ctl charset format)
2032 (article-narrow-to-head)
2033 (setq ct (message-fetch-field "Content-Type" t)
2034 cte (message-fetch-field "Content-Transfer-Encoding" t)
2035 ctl (and ct (ignore-errors
2036 (mail-header-parse-content-type ct)))
2039 (mm-read-coding-system "Charset to decode: "))
2041 (mail-content-type-get ctl 'charset)))
2042 format (and ctl (mail-content-type-get ctl 'format)))
2044 (setq cte (mail-header-strip cte)))
2045 (if (and ctl (not (string-match "/" (car ctl))))
2047 (goto-char (point-max)))
2050 (narrow-to-region (point) (point-max))
2051 (when (and (eq mail-parse-charset 'gnus-decoded)
2052 (eq (mm-body-7-or-8) '8bit))
2053 ;; The text code could have been decoded.
2054 (setq charset mail-parse-charset))
2055 (when (and (or (not ctl)
2056 (equal (car ctl) "text/plain"))
2057 (not format)) ;; article with format will decode later.
2059 charset (and cte (intern (downcase
2060 (gnus-strip-whitespace cte))))
2063 (defun article-decode-encoded-words ()
2064 "Remove encoded-word encoding from headers."
2065 (let ((inhibit-point-motion-hooks t)
2066 (mail-parse-charset gnus-newsgroup-charset)
2067 (mail-parse-ignored-charsets
2068 (save-excursion (condition-case nil
2069 (set-buffer gnus-summary-buffer)
2071 gnus-newsgroup-ignored-charsets))
2074 (article-narrow-to-head)
2075 (funcall gnus-decode-header-function (point-min) (point-max)))))
2077 (defun article-decode-group-name ()
2078 "Decode group names in `Newsgroups:'."
2079 (let ((inhibit-point-motion-hooks t)
2081 (method (gnus-find-method-for-group gnus-newsgroup-name)))
2082 (when (and (or gnus-group-name-charset-method-alist
2083 gnus-group-name-charset-group-alist)
2084 (gnus-buffer-live-p gnus-original-article-buffer))
2085 (when (nnmail-fetch-field "Newsgroups")
2086 (nnheader-replace-header "Newsgroups"
2087 (gnus-decode-newsgroups
2088 (with-current-buffer
2089 gnus-original-article-buffer
2090 (nnmail-fetch-field "Newsgroups"))
2091 gnus-newsgroup-name method)))
2092 (when (nnmail-fetch-field "Followup-To")
2093 (nnheader-replace-header "Followup-To"
2094 (gnus-decode-newsgroups
2095 (with-current-buffer
2096 gnus-original-article-buffer
2097 (nnmail-fetch-field "Followup-To"))
2098 gnus-newsgroup-name method))))))
2100 (defun article-de-quoted-unreadable (&optional force read-charset)
2101 "Translate a quoted-printable-encoded article.
2102 If FORCE, decode the article whether it is marked as quoted-printable
2104 If READ-CHARSET, ask for a coding system."
2105 (interactive (list 'force current-prefix-arg))
2107 (let ((buffer-read-only nil) type charset)
2108 (if (gnus-buffer-live-p gnus-original-article-buffer)
2109 (with-current-buffer gnus-original-article-buffer
2111 (gnus-fetch-field "content-transfer-encoding"))
2112 (let* ((ct (gnus-fetch-field "content-type"))
2115 (mail-header-parse-content-type ct)))))
2116 (setq charset (and ctl
2117 (mail-content-type-get ctl 'charset)))
2118 (if (stringp charset)
2119 (setq charset (intern (downcase charset)))))))
2121 (setq charset (mm-read-coding-system "Charset: " charset)))
2123 (setq charset gnus-newsgroup-charset))
2125 (and type (let ((case-fold-search t))
2126 (string-match "quoted-printable" type))))
2128 (quoted-printable-decode-region
2129 (point) (point-max) (mm-charset-to-coding-system charset))))))
2131 (defun article-de-base64-unreadable (&optional force read-charset)
2132 "Translate a base64 article.
2133 If FORCE, decode the article whether it is marked as base64 not.
2134 If READ-CHARSET, ask for a coding system."
2135 (interactive (list 'force current-prefix-arg))
2137 (let ((buffer-read-only nil) type charset)
2138 (if (gnus-buffer-live-p gnus-original-article-buffer)
2139 (with-current-buffer gnus-original-article-buffer
2141 (gnus-fetch-field "content-transfer-encoding"))
2142 (let* ((ct (gnus-fetch-field "content-type"))
2145 (mail-header-parse-content-type ct)))))
2146 (setq charset (and ctl
2147 (mail-content-type-get ctl 'charset)))
2148 (if (stringp charset)
2149 (setq charset (intern (downcase charset)))))))
2151 (setq charset (mm-read-coding-system "Charset: " charset)))
2153 (setq charset gnus-newsgroup-charset))
2155 (and type (let ((case-fold-search t))
2156 (string-match "base64" type))))
2159 (narrow-to-region (point) (point-max))
2160 (base64-decode-region (point-min) (point-max))
2161 (mm-decode-coding-region
2162 (point-min) (point-max) (mm-charset-to-coding-system charset)))))))
2167 (defun article-decode-HZ ()
2168 "Translate a HZ-encoded article."
2172 (let ((buffer-read-only nil))
2173 (rfc1843-decode-region (point-min) (point-max)))))
2175 (defun article-unsplit-urls ()
2176 "Remove the newlines that some other mailers insert into URLs."
2179 (let ((buffer-read-only nil))
2180 (goto-char (point-min))
2181 (while (re-search-forward
2182 "^\\(\\(https?\\|ftp\\)://\\S-+\\) *\n\\(\\S-+\\)" nil t)
2183 (replace-match "\\1\\3" t)))
2184 (when (and gnus-display-mime-function (interactive-p))
2185 (funcall gnus-display-mime-function))))
2188 (defun article-wash-html (&optional read-charset)
2189 "Format an HTML article.
2190 If READ-CHARSET, ask for a coding system."
2193 (let ((buffer-read-only nil)
2195 (when (gnus-buffer-live-p gnus-original-article-buffer)
2196 (with-current-buffer gnus-original-article-buffer
2197 (let* ((ct (gnus-fetch-field "content-type"))
2200 (mail-header-parse-content-type ct)))))
2201 (setq charset (and ctl
2202 (mail-content-type-get ctl 'charset)))
2203 (when (stringp charset)
2204 (setq charset (intern (downcase charset)))))))
2206 (setq charset (mm-read-coding-system "Charset: " charset)))
2208 (setq charset gnus-newsgroup-charset))
2210 (save-window-excursion
2212 (narrow-to-region (point) (point-max))
2213 (let* ((func (or gnus-article-wash-function mm-text-html-renderer))
2214 (entry (assq func mm-text-html-washer-alist)))
2216 (setq func (cdr entry)))
2218 ((gnus-functionp func)
2221 (apply (car func) (cdr func))))))))))
2223 (defun gnus-article-wash-html-with-w3 ()
2224 "Wash the current buffer with w3."
2226 (let ((w3-strict-width (window-width))
2227 (url-standalone-mode t)
2228 (url-gateway-unplugged t)
2229 (w3-honor-stylesheets nil))
2231 (w3-region (point-min) (point-max))
2234 (defun gnus-article-wash-html-with-w3m ()
2235 "Wash the current buffer with emacs-w3m."
2238 (narrow-to-region (point) (point-max))
2239 (let ((w3m-safe-url-regexp (if mm-inline-text-html-with-images
2242 (w3m-display-inline-images mm-inline-text-html-with-images)
2243 w3m-force-redisplay)
2244 (w3m-region (point-min) (point-max)))
2245 (when mm-inline-text-html-with-w3m-keymap
2246 (add-text-properties
2247 (point-min) (point-max)
2248 (nconc (mm-w3m-local-map-property)
2249 '(mm-inline-text-html-with-w3m t))))))
2251 (defun article-hide-list-identifiers ()
2252 "Remove list identifies from the Subject header.
2253 The `gnus-list-identifiers' variable specifies what to do."
2255 (let ((inhibit-point-motion-hooks t)
2256 (regexp (if (consp gnus-list-identifiers)
2257 (mapconcat 'identity gnus-list-identifiers " *\\|")
2258 gnus-list-identifiers))
2263 (article-narrow-to-head)
2264 (goto-char (point-min))
2265 (while (re-search-forward
2266 (concat "^Subject: +\\(R[Ee]: +\\)*\\(" regexp " *\\)")
2268 (delete-region (match-beginning 2) (match-end 0))
2269 (beginning-of-line))
2270 (when (re-search-forward
2271 "^Subject: +\\(\\(R[Ee]: +\\)+\\)R[Ee]: +" nil t)
2272 (delete-region (match-beginning 1) (match-end 1))))))))
2274 (defun article-hide-pem (&optional arg)
2275 "Toggle hiding of any PEM headers and signatures in the current article.
2276 If given a negative prefix, always show; if given a positive prefix,
2278 (interactive (gnus-article-hidden-arg))
2279 (unless (gnus-article-check-hidden-text 'pem arg)
2281 (let (buffer-read-only end)
2282 (goto-char (point-min))
2283 ;; Hide the horrendously ugly "header".
2284 (when (and (search-forward
2285 "\n-----BEGIN PRIVACY-ENHANCED MESSAGE-----\n"
2287 (setq end (1+ (match-beginning 0))))
2288 (gnus-add-wash-type 'pem)
2289 (gnus-article-hide-text-type
2291 (if (search-forward "\n\n" nil t)
2295 ;; Hide the trailer as well
2296 (when (search-forward "\n-----END PRIVACY-ENHANCED MESSAGE-----\n"
2298 (gnus-article-hide-text-type
2299 (match-beginning 0) (match-end 0) 'pem)))))))
2301 (defun article-strip-banner ()
2302 "Strip the banners specified by the `banner' group parameter and by
2303 `gnus-article-address-banner-alist'."
2307 (let ((inhibit-point-motion-hooks t))
2308 (when (gnus-parameter-banner gnus-newsgroup-name)
2309 (article-really-strip-banner
2310 (gnus-parameter-banner gnus-newsgroup-name)))
2311 (when gnus-article-address-banner-alist
2312 (article-really-strip-banner
2313 (let ((from (save-restriction
2315 (article-narrow-to-head)
2316 (mail-fetch-field "from"))))
2319 (caar (mail-header-parse-addresses from))))
2321 (dolist (pair gnus-article-address-banner-alist)
2322 (when (string-match (car pair) from)
2323 (throw 'found (cdr pair)))))))))))))
2325 (defun article-really-strip-banner (banner)
2326 "Strip the banner specified by the argument."
2329 (let ((inhibit-point-motion-hooks t)
2330 (gnus-signature-limit nil)
2334 ((eq banner 'signature)
2335 (when (gnus-article-narrow-to-signature)
2338 (delete-region (point) (point-max))))
2340 (if (setq banner (cdr (assq banner gnus-article-banner-alist)))
2341 (while (re-search-forward banner nil t)
2342 (delete-region (match-beginning 0) (match-end 0)))))
2344 (while (re-search-forward banner nil t)
2345 (delete-region (match-beginning 0) (match-end 0)))))))))
2347 (defun article-babel ()
2348 "Translate article using an online translation service."
2352 (set-buffer gnus-article-buffer)
2353 (when (article-goto-body)
2354 (let* ((buffer-read-only nil)
2357 (orig (buffer-substring start end))
2358 (trans (babel-as-string orig)))
2360 (narrow-to-region start end)
2361 (delete-region start end)
2364 (defun article-hide-signature (&optional arg)
2365 "Hide the signature in the current article.
2366 If given a negative prefix, always show; if given a positive prefix,
2368 (interactive (gnus-article-hidden-arg))
2369 (unless (gnus-article-check-hidden-text 'signature arg)
2372 (let ((buffer-read-only nil))
2373 (when (gnus-article-narrow-to-signature)
2374 (gnus-article-hide-text-type
2375 (point-min) (point-max) 'signature))))))
2376 (gnus-set-mode-line 'article))
2378 (defun article-strip-headers-in-body ()
2379 "Strip offensive headers from bodies."
2383 (let ((case-fold-search t))
2384 (when (looking-at "x-no-archive:")
2385 (gnus-delete-line)))))
2387 (defun article-strip-leading-blank-lines ()
2388 "Remove all blank lines from the beginning of the article."
2391 (let ((inhibit-point-motion-hooks t)
2393 (when (article-goto-body)
2394 (while (and (not (eobp))
2395 (looking-at "[ \t]*$"))
2396 (gnus-delete-line))))))
2398 (defun article-narrow-to-head ()
2399 "Narrow the buffer to the head of the message.
2400 Point is left at the beginning of the narrowed-to region."
2402 (goto-char (point-min))
2403 (if (search-forward "\n\n" nil 1)
2406 (goto-char (point-min)))
2408 (defun article-goto-body ()
2409 "Place point at the start of the body."
2410 (goto-char (point-min))
2412 ;; This variable is only bound when dealing with separate
2414 (article-goto-body-goes-to-point-min-p
2416 ((search-forward "\n\n" nil t)
2419 (goto-char (point-max))
2422 (defun article-strip-multiple-blank-lines ()
2423 "Replace consecutive blank lines with one empty line."
2426 (let ((inhibit-point-motion-hooks t)
2428 ;; First make all blank lines empty.
2430 (while (re-search-forward "^[ \t]+$" nil t)
2431 (unless (gnus-annotation-in-region-p
2432 (match-beginning 0) (match-end 0))
2433 (replace-match "" nil t)))
2434 ;; Then replace multiple empty lines with a single empty line.
2436 (while (re-search-forward "\n\n\\(\n+\\)" nil t)
2437 (unless (gnus-annotation-in-region-p
2438 (match-beginning 0) (match-end 0))
2439 (delete-region (match-beginning 1) (match-end 1)))))))
2441 (defun article-strip-leading-space ()
2442 "Remove all white space from the beginning of the lines in the article."
2445 (let ((inhibit-point-motion-hooks t)
2448 (while (re-search-forward "^[ \t]+" nil t)
2449 (replace-match "" t t)))))
2451 (defun article-strip-trailing-space ()
2452 "Remove all white space from the end of the lines in the article."
2455 (let ((inhibit-point-motion-hooks t)
2458 (while (re-search-forward "[ \t]+$" nil t)
2459 (replace-match "" t t)))))
2461 (defun article-strip-blank-lines ()
2462 "Strip leading, trailing and multiple blank lines."
2464 (article-strip-leading-blank-lines)
2465 (article-remove-trailing-blank-lines)
2466 (article-strip-multiple-blank-lines))
2468 (defun article-strip-all-blank-lines ()
2469 "Strip all blank lines."
2472 (let ((inhibit-point-motion-hooks t)
2475 (while (re-search-forward "^[ \t]*\n" nil t)
2476 (replace-match "" t t)))))
2478 (defun gnus-article-narrow-to-signature ()
2479 "Narrow to the signature; return t if a signature is found, else nil."
2480 (let ((inhibit-point-motion-hooks t))
2481 (when (gnus-article-search-signature)
2483 ;; Check whether we have some limits to what we consider
2484 ;; to be a signature.
2485 (let ((limits (if (listp gnus-signature-limit) gnus-signature-limit
2486 (list gnus-signature-limit)))
2488 (while (setq limit (pop limits))
2489 (if (or (and (integerp limit)
2490 (< (- (point-max) (point)) limit))
2492 (< (count-lines (point) (point-max)) limit))
2493 (and (gnus-functionp limit)
2495 (and (stringp limit)
2496 (not (re-search-forward limit nil t))))
2497 () ; This limit did not succeed.
2501 (narrow-to-region (point) (point-max))
2504 (defun gnus-article-search-signature ()
2505 "Search the current buffer for the signature separator.
2506 Put point at the beginning of the signature separator."
2507 (let ((cur (point)))
2508 (goto-char (point-max))
2509 (if (if (stringp gnus-signature-separator)
2510 (re-search-backward gnus-signature-separator nil t)
2511 (let ((seps gnus-signature-separator))
2513 (not (re-search-backward (car seps) nil t)))
2520 (defun gnus-article-hidden-arg ()
2521 "Return the current prefix arg as a number, or 0 if no prefix."
2522 (list (if current-prefix-arg
2523 (prefix-numeric-value current-prefix-arg)
2526 (defun gnus-article-check-hidden-text (type arg)
2527 "Return nil if hiding is necessary.
2528 Arg can be nil or a number. nil and positive means hide, negative
2529 means show, 0 means toggle."
2532 (let ((hide (gnus-article-hidden-text-p type)))
2538 (gnus-article-show-hidden-text type)
2541 (if (eq hide 'hidden)
2543 (gnus-article-show-hidden-text type)
2547 (defun gnus-article-hidden-text-p (type)
2548 "Say whether the current buffer contains hidden text of type TYPE."
2549 (let ((pos (text-property-any (point-min) (point-max) 'article-type type)))
2551 (not (get-text-property pos 'invisible))
2552 (not (get-text-property pos 'dummy-invisible)))
2554 (text-property-any (1+ pos) (point-max) 'article-type type)))
2559 (defun gnus-article-show-hidden-text (type &optional dummy)
2560 "Show all hidden text of type TYPE.
2561 Originally it is hide instead of DUMMY."
2562 (let ((buffer-read-only nil)
2563 (inhibit-point-motion-hooks t))
2564 (gnus-remove-text-properties-when
2566 (point-min) (point-max)
2567 (cons 'article-type (cons type
2568 gnus-hidden-properties)))
2569 (gnus-delete-wash-type type)))
2571 (defconst article-time-units
2572 `((year . ,(* 365.25 24 60 60))
2573 (week . ,(* 7 24 60 60))
2574 (day . ,(* 24 60 60))
2578 "Mapping from time units to seconds.")
2580 (defun gnus-article-forward-header ()
2581 "Move point to the start of the next header.
2582 If the current header is a continuation header, this can be several
2587 (if (looking-at "[ \t]+[^ \t]")
2591 (defun article-date-ut (&optional type highlight header)
2592 "Convert DATE date to universal time in the current article.
2593 If TYPE is `local', convert to local time; if it is `lapsed', output
2594 how much time has lapsed since DATE. For `lapsed', the value of
2595 `gnus-article-date-lapsed-new-header' says whether the \"X-Sent:\" header
2596 should replace the \"Date:\" one, or should be added below it."
2597 (interactive (list 'ut t))
2598 (let* ((header (or header
2599 (message-fetch-field "date")
2601 (tdate-regexp "^Date:[ \t]\\|^X-Sent:[ \t]")
2604 ((not gnus-article-date-lapsed-new-header)
2610 (date (if (vectorp header) (mail-header-date header)
2612 (inhibit-point-motion-hooks t)
2617 (article-narrow-to-head)
2618 (when (re-search-forward tdate-regexp nil t)
2619 (setq bface (get-text-property (gnus-point-at-bol) 'face)
2620 date (or (get-text-property (gnus-point-at-bol)
2623 eface (get-text-property (1- (gnus-point-at-eol)) 'face))
2625 (when (and date (not (string= date "")))
2626 (goto-char (point-min))
2627 (let ((buffer-read-only nil))
2628 ;; Delete any old Date headers.
2629 (while (re-search-forward date-regexp nil t)
2631 (delete-region (progn (beginning-of-line) (point))
2632 (progn (gnus-article-forward-header)
2634 (delete-region (progn (beginning-of-line) (point))
2635 (progn (gnus-article-forward-header)
2638 (setq pos (point))))
2639 (when (and (not pos)
2640 (re-search-forward tdate-regexp nil t))
2644 (insert (article-make-date-line date (or type 'ut)))
2650 (when (looking-at "\\([^:]+\\): *\\(.*\\)$")
2651 (put-text-property (match-beginning 1) (1+ (match-end 1))
2652 'original-date date)
2653 (put-text-property (match-beginning 1) (1+ (match-end 1))
2655 (put-text-property (match-beginning 2) (match-end 2)
2658 (defun article-make-date-line (date type)
2659 "Return a DATE line of TYPE."
2660 (unless (memq type '(local ut original user iso8601 lapsed english))
2661 (error "Unknown conversion type: %s" type))
2663 (let ((time (date-to-time date)))
2665 ;; Convert to the local timezone.
2667 (let ((tz (car (current-time-zone time))))
2668 (format "Date: %s %s%02d%02d" (current-time-string time)
2669 (if (> tz 0) "+" "-") (/ (abs tz) 3600)
2670 (/ (% (abs tz) 3600) 60))))
2671 ;; Convert to Universal Time.
2674 (current-time-string
2675 (let* ((e (parse-time-string date))
2676 (tm (apply 'encode-time e))
2678 (ls (- (cadr tm) (car (current-time-zone time)))))
2679 (cond ((< ls 0) (list (1- ms) (+ ls 65536)))
2680 ((> ls 65535) (list (1+ ms) (- ls 65536)))
2683 ;; Get the original date from the article.
2684 ((eq type 'original)
2685 (concat "Date: " (if (string-match "\n+$" date)
2686 (substring date 0 (match-beginning 0))
2688 ;; Let the user define the format.
2690 (let ((format (or (condition-case nil
2691 (with-current-buffer gnus-summary-buffer
2692 gnus-article-time-format)
2694 gnus-article-time-format)))
2695 (if (gnus-functionp format)
2696 (funcall format time)
2697 (concat "Date: " (format-time-string format time)))))
2700 (let ((tz (car (current-time-zone time))))
2703 (format-time-string "%Y%m%dT%H%M%S" time)
2704 (format "%s%02d%02d"
2705 (if (> tz 0) "+" "-") (/ (abs tz) 3600)
2706 (/ (% (abs tz) 3600) 60)))))
2707 ;; Do an X-Sent lapsed format.
2709 ;; If the date is seriously mangled, the timezone functions are
2710 ;; liable to bug out, so we ignore all errors.
2711 (let* ((now (current-time))
2712 (real-time (subtract-time now time))
2713 (real-sec (and real-time
2714 (+ (* (float (car real-time)) 65536)
2716 (sec (and real-time (abs real-sec)))
2726 ;; This is a bit convoluted, but basically we go
2727 ;; through the time units for years, weeks, etc,
2728 ;; and divide things to see whether that results
2729 ;; in positive answers.
2732 (if (zerop (setq num (ffloor (/ sec (cdr unit)))))
2733 ;; The (remaining) seconds are too few to
2734 ;; be divided into this time unit.
2736 ;; It's big enough, so we output it.
2737 (setq sec (- sec (* num (cdr unit))))
2739 (concat (if prev ", " "") (int-to-string
2741 " " (symbol-name (car unit))
2742 (if (> num 1) "s" ""))
2744 article-time-units "")
2745 ;; If dates are odd, then it might appear like the
2746 ;; article was sent in the future.
2749 " in the future"))))))
2750 ;; Display the date in proper English
2752 (let ((dtime (decode-time time)))
2755 (number-to-string (nth 3 dtime))
2756 (let ((digit (% (nth 3 dtime) 10)))
2758 ((memq (nth 3 dtime) '(11 12 13)) "th")
2764 (nth (1- (nth 4 dtime)) gnus-english-month-names)
2766 (number-to-string (nth 5 dtime))
2768 (format "%02d" (nth 2 dtime))
2770 (format "%02d" (nth 1 dtime)))))))
2772 (format "Date: %s (from Gnus)" date))))
2774 (defun article-date-local (&optional highlight)
2775 "Convert the current article date to the local timezone."
2776 (interactive (list t))
2777 (article-date-ut 'local highlight))
2779 (defun article-date-english (&optional highlight)
2780 "Convert the current article date to something that is proper English."
2781 (interactive (list t))
2782 (article-date-ut 'english highlight))
2784 (defun article-date-original (&optional highlight)
2785 "Convert the current article date to what it was originally.
2786 This is only useful if you have used some other date conversion
2787 function and want to see what the date was before converting."
2788 (interactive (list t))
2789 (article-date-ut 'original highlight))
2791 (defun article-date-lapsed (&optional highlight)
2792 "Convert the current article date to time lapsed since it was sent."
2793 (interactive (list t))
2794 (article-date-ut 'lapsed highlight))
2796 (defun article-update-date-lapsed ()
2797 "Function to be run from a timer to update the lapsed time line."
2798 (let (deactivate-mark)
2803 (set-buffer (window-buffer w))
2804 (when (eq major-mode 'gnus-article-mode)
2805 (goto-char (point-min))
2806 (when (re-search-forward "^X-Sent:" nil t)
2807 (article-date-lapsed t))))
2810 (defun gnus-start-date-timer (&optional n)
2811 "Start a timer to update the X-Sent header in the article buffers.
2812 The numerical prefix says how frequently (in seconds) the function
2817 (gnus-stop-date-timer)
2818 (setq article-lapsed-timer
2819 (nnheader-run-at-time 1 n 'article-update-date-lapsed)))
2821 (defun gnus-stop-date-timer ()
2822 "Stop the X-Sent timer."
2824 (when article-lapsed-timer
2825 (nnheader-cancel-timer article-lapsed-timer)
2826 (setq article-lapsed-timer nil)))
2828 (defun article-date-user (&optional highlight)
2829 "Convert the current article date to the user-defined format.
2830 This format is defined by the `gnus-article-time-format' variable."
2831 (interactive (list t))
2832 (article-date-ut 'user highlight))
2834 (defun article-date-iso8601 (&optional highlight)
2835 "Convert the current article date to ISO8601."
2836 (interactive (list t))
2837 (article-date-ut 'iso8601 highlight))
2839 ;; (defun article-show-all ()
2840 ;; "Show all hidden text in the article buffer."
2843 ;; (let ((buffer-read-only nil))
2844 ;; (gnus-article-unhide-text (point-min) (point-max)))))
2846 (defun article-remove-leading-whitespace ()
2847 "Remove excessive whitespace from all headers."
2851 (let ((buffer-read-only nil))
2852 (article-narrow-to-head)
2853 (goto-char (point-min))
2854 (while (re-search-forward "^[^ :]+: \\([ \t]+\\)" nil t)
2855 (delete-region (match-beginning 1) (match-end 1)))))))
2857 (defun article-emphasize (&optional arg)
2858 "Emphasize text according to `gnus-emphasis-alist'."
2859 (interactive (gnus-article-hidden-arg))
2860 (unless (gnus-article-check-hidden-text 'emphasis arg)
2864 (with-current-buffer gnus-summary-buffer
2865 gnus-article-emphasis-alist)
2867 gnus-emphasis-alist))
2868 (buffer-read-only nil)
2869 (props (append '(article-type emphasis)
2870 gnus-hidden-properties))
2871 regexp elem beg invisible visible face)
2874 (while (setq elem (pop alist))
2876 (setq regexp (car elem)
2877 invisible (nth 1 elem)
2878 visible (nth 2 elem)
2880 (while (re-search-forward regexp nil t)
2881 (when (and (match-beginning visible) (match-beginning invisible))
2882 (gnus-article-hide-text
2883 (match-beginning invisible) (match-end invisible) props)
2884 (gnus-article-unhide-text-type
2885 (match-beginning visible) (match-end visible) 'emphasis)
2886 (gnus-put-overlay-excluding-newlines
2887 (match-beginning visible) (match-end visible) 'face face)
2888 (gnus-add-wash-type 'emphasis)
2889 (goto-char (match-end invisible)))))))))
2891 (defun gnus-article-setup-highlight-words (&optional highlight-words)
2892 "Setup newsgroup emphasis alist."
2893 (unless gnus-article-emphasis-alist
2894 (let ((name (and gnus-newsgroup-name
2895 (gnus-group-real-name gnus-newsgroup-name))))
2896 (make-local-variable 'gnus-article-emphasis-alist)
2897 (setq gnus-article-emphasis-alist
2899 (let ((alist gnus-group-highlight-words-alist) elem highlight)
2900 (while (setq elem (pop alist))
2901 (when (and name (string-match (car elem) name))
2903 highlight (copy-sequence (cdr elem)))))
2905 (copy-sequence highlight-words)
2906 (if gnus-newsgroup-name
2907 (copy-sequence (gnus-group-find-parameter
2908 gnus-newsgroup-name 'highlight-words t)))
2909 gnus-emphasis-alist)))))
2912 (defvar gnus-summary-article-menu)
2913 (defvar gnus-summary-post-menu))
2915 ;;; Saving functions.
2917 (defun gnus-article-save (save-buffer file &optional num)
2918 "Save the currently selected article."
2919 (unless gnus-save-all-headers
2920 ;; Remove headers according to `gnus-saved-headers'.
2921 (let ((gnus-visible-headers
2922 (or gnus-saved-headers gnus-visible-headers))
2923 (gnus-article-buffer save-buffer))
2925 (set-buffer save-buffer)
2926 (article-hide-headers 1 t))))
2927 (save-window-excursion
2928 (if (not gnus-default-article-saver)
2929 (error "No default saver is defined")
2930 ;; !!! Magic! The saving functions all save
2931 ;; `gnus-save-article-buffer' (or so they think), but we
2932 ;; bind that variable to our save-buffer.
2933 (set-buffer gnus-article-buffer)
2934 (let* ((gnus-save-article-buffer save-buffer)
2937 ((not gnus-prompt-before-saving) 'default)
2938 ((eq gnus-prompt-before-saving 'always) nil)
2940 (gnus-number-of-articles-to-be-saved
2941 (when (eq gnus-prompt-before-saving t)
2943 (set-buffer gnus-article-current-summary)
2944 (funcall gnus-default-article-saver filename)))))
2946 (defun gnus-read-save-file-name (prompt &optional filename
2947 function group headers variable)
2949 (funcall function group headers (symbol-value variable)))
2954 ((eq filename 'default)
2960 (let* ((split-name (gnus-get-split-value gnus-split-methods))
2963 (if (and gnus-number-of-articles-to-be-saved
2964 (> gnus-number-of-articles-to-be-saved 1))
2965 (format "these %d articles"
2966 gnus-number-of-articles-to-be-saved)
2969 ;; Let the split methods have their say.
2971 ;; No split name was found.
2974 (concat prompt " (default "
2975 (file-name-nondirectory default-name) ") ")
2976 (file-name-directory default-name)
2978 ;; A single group name is returned.
2979 ((stringp split-name)
2981 (funcall function split-name headers
2982 (symbol-value variable)))
2984 (concat prompt " (default "
2985 (file-name-nondirectory default-name) ") ")
2986 (file-name-directory default-name)
2988 ;; A single split name was found
2989 ((= 1 (length split-name))
2990 (let* ((name (expand-file-name
2992 gnus-article-save-directory))
2993 (dir (cond ((file-directory-p name)
2994 (file-name-as-directory name))
2995 ((file-exists-p name) name)
2996 (t gnus-article-save-directory))))
2998 (concat prompt " (default " name ") ")
3000 ;; A list of splits was found.
3002 (setq split-name (nreverse split-name))
3004 (let ((file-name-history
3005 (nconc split-name file-name-history)))
3009 (concat prompt " (`M-p' for defaults) ")
3010 gnus-article-save-directory
3012 gnus-article-save-directory)))
3013 (car (push result file-name-history)))))))
3014 ;; Create the directory.
3015 (gnus-make-directory (file-name-directory file))
3016 ;; If we have read a directory, we append the default file name.
3017 (when (file-directory-p file)
3018 (setq file (expand-file-name (file-name-nondirectory
3020 (file-name-as-directory file))))
3021 ;; Possibly translate some characters.
3022 (nnheader-translate-file-chars file))))))
3023 (gnus-make-directory (file-name-directory result))
3024 (set variable result)))
3026 (defun gnus-article-archive-name (group)
3027 "Return the first instance of an \"Archive-name\" in the current buffer."
3028 (let ((case-fold-search t))
3029 (when (re-search-forward "archive-name: *\\([^ \n\t]+\\)[ \t]*$" nil t)
3030 (nnheader-concat gnus-article-save-directory
3031 (match-string 1)))))
3033 (defun gnus-article-nndoc-name (group)
3034 "If GROUP is an nndoc group, return the name of the parent group."
3035 (when (eq (car (gnus-find-method-for-group group)) 'nndoc)
3036 (gnus-group-get-parameter group 'save-article-group)))
3038 (defun gnus-summary-save-in-rmail (&optional filename)
3039 "Append this article to Rmail file.
3040 Optional argument FILENAME specifies file name.
3041 Directory to save to is default to `gnus-article-save-directory'."
3042 (setq filename (gnus-read-save-file-name
3043 "Save %s in rmail file:" filename
3044 gnus-rmail-save-name gnus-newsgroup-name
3045 gnus-current-headers 'gnus-newsgroup-last-rmail))
3046 (gnus-eval-in-buffer-window gnus-save-article-buffer
3050 (gnus-output-to-rmail filename))))
3053 (defun gnus-summary-save-in-mail (&optional filename)
3054 "Append this article to Unix mail file.
3055 Optional argument FILENAME specifies file name.
3056 Directory to save to is default to `gnus-article-save-directory'."
3057 (setq filename (gnus-read-save-file-name
3058 "Save %s in Unix mail file:" filename
3059 gnus-mail-save-name gnus-newsgroup-name
3060 gnus-current-headers 'gnus-newsgroup-last-mail))
3061 (gnus-eval-in-buffer-window gnus-save-article-buffer
3065 (if (and (file-readable-p filename)
3066 (file-regular-p filename)
3067 (mail-file-babyl-p filename))
3068 (rmail-output-to-rmail-file filename t)
3069 (gnus-output-to-mail filename)))))
3072 (defun gnus-summary-save-in-file (&optional filename overwrite)
3073 "Append this article to file.
3074 Optional argument FILENAME specifies file name.
3075 Directory to save to is default to `gnus-article-save-directory'."
3076 (setq filename (gnus-read-save-file-name
3077 "Save %s in file:" filename
3078 gnus-file-save-name gnus-newsgroup-name
3079 gnus-current-headers 'gnus-newsgroup-last-file))
3080 (gnus-eval-in-buffer-window gnus-save-article-buffer
3084 (when (and overwrite
3085 (file-exists-p filename))
3086 (delete-file filename))
3087 (gnus-output-to-file filename))))
3090 (defun gnus-summary-write-to-file (&optional filename)
3091 "Write this article to a file, overwriting it if the file exists.
3092 Optional argument FILENAME specifies file name.
3093 The directory to save in defaults to `gnus-article-save-directory'."
3094 (gnus-summary-save-in-file nil t))
3096 (defun gnus-summary-save-body-in-file (&optional filename)
3097 "Append this article body to a file.
3098 Optional argument FILENAME specifies file name.
3099 The directory to save in defaults to `gnus-article-save-directory'."
3100 (setq filename (gnus-read-save-file-name
3101 "Save %s body in file:" filename
3102 gnus-file-save-name gnus-newsgroup-name
3103 gnus-current-headers 'gnus-newsgroup-last-file))
3104 (gnus-eval-in-buffer-window gnus-save-article-buffer
3108 (when (article-goto-body)
3109 (narrow-to-region (point) (point-max)))
3110 (gnus-output-to-file filename))))
3113 (defun gnus-summary-save-in-pipe (&optional command)
3114 "Pipe this article to subprocess."
3116 (cond ((and (eq command 'default)
3117 gnus-last-shell-command)
3118 gnus-last-shell-command)
3123 "Shell command on %s: "
3124 (if (and gnus-number-of-articles-to-be-saved
3125 (> gnus-number-of-articles-to-be-saved 1))
3126 (format "these %d articles"
3127 gnus-number-of-articles-to-be-saved)
3129 gnus-last-shell-command))))
3130 (when (string-equal command "")
3131 (if gnus-last-shell-command
3132 (setq command gnus-last-shell-command)
3133 (error "A command is required")))
3134 (gnus-eval-in-buffer-window gnus-article-buffer
3137 (shell-command-on-region (point-min) (point-max) command nil)))
3138 (setq gnus-last-shell-command command))
3140 (defun gnus-summary-pipe-to-muttprint (&optional command)
3141 "Pipe this article to muttprint."
3142 (setq command (read-string
3143 "Print using command: " gnus-summary-muttprint-program
3144 nil gnus-summary-muttprint-program))
3145 (gnus-summary-save-in-pipe command))
3147 ;;; Article file names when saving.
3149 (defun gnus-capitalize-newsgroup (newsgroup)
3150 "Capitalize NEWSGROUP name."
3151 (when (not (zerop (length newsgroup)))
3152 (concat (char-to-string (upcase (aref newsgroup 0)))
3153 (substring newsgroup 1))))
3155 (defun gnus-Numeric-save-name (newsgroup headers &optional last-file)
3156 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3157 If variable `gnus-use-long-file-name' is non-nil, it is ~/News/News.group/num.
3158 Otherwise, it is like ~/News/news/group/num."
3161 (concat (if (gnus-use-long-file-name 'not-save)
3162 (gnus-capitalize-newsgroup newsgroup)
3163 (gnus-newsgroup-directory-form newsgroup))
3164 "/" (int-to-string (mail-header-number headers)))
3165 gnus-article-save-directory)))
3167 (string-equal (file-name-directory default)
3168 (file-name-directory last-file))
3169 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
3171 (or last-file default))))
3173 (defun gnus-numeric-save-name (newsgroup headers &optional last-file)
3174 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3175 If variable `gnus-use-long-file-name' is non-nil, it is
3176 ~/News/news.group/num. Otherwise, it is like ~/News/news/group/num."
3179 (concat (if (gnus-use-long-file-name 'not-save)
3181 (gnus-newsgroup-directory-form newsgroup))
3182 "/" (int-to-string (mail-header-number headers)))
3183 gnus-article-save-directory)))
3185 (string-equal (file-name-directory default)
3186 (file-name-directory last-file))
3187 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
3189 (or last-file default))))
3191 (defun gnus-plain-save-name (newsgroup headers &optional last-file)
3192 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3193 If variable `gnus-use-long-file-name' is non-nil, it is
3194 ~/News/news.group. Otherwise, it is like ~/News/news/group/news."
3197 (if (gnus-use-long-file-name 'not-save)
3200 (expand-file-name "news" (gnus-newsgroup-directory-form newsgroup))
3202 gnus-article-save-directory)))
3204 (defun gnus-sender-save-name (newsgroup headers &optional last-file)
3205 "Generate file name from sender."
3206 (let ((from (mail-header-from headers)))
3208 (if (and from (string-match "\\([^ <]+\\)@" from))
3209 (match-string 1 from)
3211 gnus-article-save-directory)))
3213 (defun article-verify-x-pgp-sig ()
3216 (if (gnus-buffer-live-p gnus-original-article-buffer)
3217 (let ((sig (with-current-buffer gnus-original-article-buffer
3218 (gnus-fetch-field "X-PGP-Sig")))
3222 (mml2015-clear-verify-function))
3224 (insert-buffer gnus-original-article-buffer)
3225 (setq items (split-string sig))
3226 (message-narrow-to-head)
3227 (let ((inhibit-point-motion-hooks t)
3228 (case-fold-search t))
3229 ;; Don't verify multiple headers.
3230 (setq headers (mapconcat (lambda (header)
3232 (mail-fetch-field header) "\n"))
3233 (split-string (nth 1 items) ",") "")))
3234 (delete-region (point-min) (point-max))
3235 (insert "-----BEGIN PGP SIGNED MESSAGE-----\n\n")
3236 (insert "X-Signed-Headers: " (nth 1 items) "\n")
3241 (if (looking-at "^-")
3244 (insert "\n-----BEGIN PGP SIGNATURE-----\n")
3245 (insert "Version: " (car items) "\n\n")
3246 (insert (mapconcat 'identity (cddr items) "\n"))
3247 (insert "\n-----END PGP SIGNATURE-----\n")
3248 (let ((mm-security-handle (list (format "multipart/signed"))))
3249 (mml2015-clean-buffer)
3250 (let ((coding-system-for-write (or gnus-newsgroup-charset
3252 (funcall (mml2015-clear-verify-function)))
3254 (or (mm-handle-multipart-ctl-parameter
3255 mm-security-handle 'gnus-details)
3256 (mm-handle-multipart-ctl-parameter
3257 mm-security-handle 'gnus-info)))))
3259 (let (buffer-read-only bface eface)
3261 (message-narrow-to-head)
3262 (goto-char (point-max))
3264 (setq bface (get-text-property (gnus-point-at-bol) 'face)
3265 eface (get-text-property (1- (gnus-point-at-eol)) 'face))
3266 (message-remove-header "X-Gnus-PGP-Verify")
3267 (if (re-search-forward "^X-PGP-Sig:" nil t)
3269 (goto-char (point-max)))
3270 (narrow-to-region (point) (point))
3271 (insert "X-Gnus-PGP-Verify: " info "\n")
3272 (goto-char (point-min))
3275 (if (not (looking-at "^[ \t]"))
3279 (goto-char (point-min))
3280 (when (looking-at "\\([^:]+\\): *")
3281 (put-text-property (match-beginning 1) (1+ (match-end 1))
3283 (put-text-property (match-end 0) (point-max)
3284 'face eface)))))))))
3286 (defun article-verify-cancel-lock ()
3287 "Verify Cancel-Lock header."
3289 (if (gnus-buffer-live-p gnus-original-article-buffer)
3290 (canlock-verify gnus-original-article-buffer)))
3297 (setq afunc (car func)
3300 gfunc (intern (format "gnus-%s" func))))
3302 (when (fboundp afunc)
3303 `(lambda (&optional interactive &rest args)
3304 ,(documentation afunc t)
3305 (interactive (list t))
3307 (set-buffer gnus-article-buffer)
3309 (call-interactively ',afunc)
3310 (apply ',afunc args))))))))
3311 '(article-hide-headers
3312 article-verify-x-pgp-sig
3313 article-verify-cancel-lock
3314 article-hide-boring-headers
3315 article-treat-overstrike
3316 article-fill-long-lines
3317 article-capitalize-sentences
3319 article-remove-leading-whitespace
3320 article-display-x-face
3321 article-display-face
3322 article-de-quoted-unreadable
3323 article-de-base64-unreadable
3326 article-unsplit-urls
3327 article-hide-list-identifiers
3328 article-strip-banner
3331 article-hide-signature
3332 article-strip-headers-in-body
3333 article-remove-trailing-blank-lines
3334 article-strip-leading-blank-lines
3335 article-strip-multiple-blank-lines
3336 article-strip-leading-space
3337 article-strip-trailing-space
3338 article-strip-blank-lines
3339 article-strip-all-blank-lines
3341 article-date-english
3342 article-date-iso8601
3343 article-date-original
3345 article-decode-mime-words
3346 article-decode-charset
3347 article-decode-encoded-words
3351 article-treat-dumbquotes
3352 article-normalize-headers
3353 ;; (article-show-all . gnus-article-show-all-headers)
3357 ;;; Gnus article mode
3360 (put 'gnus-article-mode 'mode-class 'special)
3362 (set-keymap-parent gnus-article-mode-map widget-keymap)
3364 (gnus-define-keys gnus-article-mode-map
3365 " " gnus-article-goto-next-page
3366 "\177" gnus-article-goto-prev-page
3367 [delete] gnus-article-goto-prev-page
3368 [backspace] gnus-article-goto-prev-page
3369 "\C-c^" gnus-article-refer-article
3370 "h" gnus-article-show-summary
3371 "s" gnus-article-show-summary
3372 "\C-c\C-m" gnus-article-mail
3373 "?" gnus-article-describe-briefly
3374 "e" gnus-summary-edit-article
3375 "<" beginning-of-buffer
3377 "\C-c\C-i" gnus-info-find-node
3379 "R" gnus-article-reply-with-original
3380 "F" gnus-article-followup-with-original
3381 "\C-hk" gnus-article-describe-key
3382 "\C-hc" gnus-article-describe-key-briefly
3384 "\C-d" gnus-article-read-summary-keys
3385 "\M-*" gnus-article-read-summary-keys
3386 "\M-#" gnus-article-read-summary-keys
3387 "\M-^" gnus-article-read-summary-keys
3388 "\M-g" gnus-article-read-summary-keys)
3390 (substitute-key-definition
3391 'undefined 'gnus-article-read-summary-keys gnus-article-mode-map)
3393 (defun gnus-article-make-menu-bar ()
3394 (unless (boundp 'gnus-article-commands-menu)
3395 (gnus-summary-make-menu-bar))
3396 (gnus-turn-off-edit-menu 'article)
3397 (unless (boundp 'gnus-article-article-menu)
3399 gnus-article-article-menu gnus-article-mode-map ""
3401 ["Scroll forwards" gnus-article-goto-next-page t]
3402 ["Scroll backwards" gnus-article-goto-prev-page t]
3403 ["Show summary" gnus-article-show-summary t]
3404 ["Fetch Message-ID at point" gnus-article-refer-article t]
3405 ["Mail to address at point" gnus-article-mail t]
3406 ["Send a bug report" gnus-bug t]))
3409 gnus-article-treatment-menu gnus-article-mode-map ""
3410 ;; Fixme: this should use :active (and maybe :visible).
3412 ["Hide headers" gnus-article-hide-headers t]
3413 ["Hide signature" gnus-article-hide-signature t]
3414 ["Hide citation" gnus-article-hide-citation t]
3415 ["Treat overstrike" gnus-article-treat-overstrike t]
3416 ["Remove carriage return" gnus-article-remove-cr t]
3417 ["Remove leading whitespace" gnus-article-remove-leading-whitespace t]
3418 ["Remove quoted-unreadable" gnus-article-de-quoted-unreadable t]
3419 ["Remove base64" gnus-article-de-base64-unreadable t]
3420 ["Treat html" gnus-article-wash-html t]
3421 ["Remove newlines from within URLs" gnus-article-unsplit-urls t]
3422 ["Decode HZ" gnus-article-decode-HZ t]))
3424 ;; Note "Commands" menu is defined in gnus-sum.el for consistency
3426 ;; Note "Post" menu is defined in gnus-sum.el for consistency
3428 (gnus-run-hooks 'gnus-article-menu-hook)))
3430 (defun gnus-article-mode ()
3431 "Major mode for displaying an article.
3433 All normal editing commands are switched off.
3435 The following commands are available in addition to all summary mode
3437 \\<gnus-article-mode-map>
3438 \\[gnus-article-next-page]\t Scroll the article one page forwards
3439 \\[gnus-article-prev-page]\t Scroll the article one page backwards
3440 \\[gnus-article-refer-article]\t Go to the article referred to by an article id near point
3441 \\[gnus-article-show-summary]\t Display the summary buffer
3442 \\[gnus-article-mail]\t Send a reply to the address near point
3443 \\[gnus-article-describe-briefly]\t Describe the current mode briefly
3444 \\[gnus-info-find-node]\t Go to the Gnus info node"
3446 (gnus-simplify-mode-line)
3447 (setq mode-name "Article")
3448 (setq major-mode 'gnus-article-mode)
3449 (make-local-variable 'minor-mode-alist)
3450 (use-local-map gnus-article-mode-map)
3451 (when (gnus-visual-p 'article-menu 'menu)
3452 (gnus-article-make-menu-bar)
3453 (when gnus-summary-tool-bar-map
3454 (set (make-local-variable 'tool-bar-map) gnus-summary-tool-bar-map)))
3455 (gnus-update-format-specifications nil 'article-mode)
3456 (set (make-local-variable 'page-delimiter) gnus-page-delimiter)
3457 (make-local-variable 'gnus-page-broken)
3458 (make-local-variable 'gnus-button-marker-list)
3459 (make-local-variable 'gnus-article-current-summary)
3460 (make-local-variable 'gnus-article-mime-handles)
3461 (make-local-variable 'gnus-article-decoded-p)
3462 (make-local-variable 'gnus-article-mime-handle-alist)
3463 (make-local-variable 'gnus-article-wash-types)
3464 (make-local-variable 'gnus-article-image-alist)
3465 (make-local-variable 'gnus-article-charset)
3466 (make-local-variable 'gnus-article-ignored-charsets)
3467 (gnus-set-default-directory)
3468 (buffer-disable-undo)
3469 (setq buffer-read-only t)
3470 (set-syntax-table gnus-article-mode-syntax-table)
3471 (mm-enable-multibyte)
3472 (gnus-run-hooks 'gnus-article-mode-hook))
3474 (defun gnus-article-setup-buffer ()
3475 "Initialize the article buffer."
3476 (let* ((name (if gnus-single-article-buffer "*Article*"
3477 (concat "*Article " gnus-newsgroup-name "*")))
3479 (progn (string-match "\\*Article" name)
3480 (concat " *Original Article"
3481 (substring name (match-end 0))))))
3482 (setq gnus-article-buffer name)
3483 (setq gnus-original-article-buffer original)
3484 (setq gnus-article-mime-handle-alist nil)
3485 ;; This might be a variable local to the summary buffer.
3486 (unless gnus-single-article-buffer
3488 (set-buffer gnus-summary-buffer)
3489 (setq gnus-article-buffer name)
3490 (setq gnus-original-article-buffer original)
3491 (gnus-set-global-variables)))
3492 (gnus-article-setup-highlight-words)
3493 ;; Init original article buffer.
3495 (set-buffer (gnus-get-buffer-create gnus-original-article-buffer))
3496 (mm-enable-multibyte)
3497 (setq major-mode 'gnus-original-article-mode)
3498 (make-local-variable 'gnus-original-article))
3499 (if (get-buffer name)
3502 (when (and gnus-article-edit-mode
3505 (y-or-n-p "Article mode edit in progress; discard? ")))
3506 (error "Action aborted"))
3507 (set (make-local-variable 'gnus-article-edit-mode) nil)
3508 (when gnus-article-mime-handles
3509 (mm-destroy-parts gnus-article-mime-handles)
3510 (setq gnus-article-mime-handles nil))
3511 ;; Set it to nil in article-buffer!
3512 (setq gnus-article-mime-handle-alist nil)
3513 (buffer-disable-undo)
3514 (setq buffer-read-only t)
3515 ;; This list just keeps growing if we don't reset it.
3516 (setq gnus-button-marker-list nil)
3517 (unless (eq major-mode 'gnus-article-mode)
3518 (gnus-article-mode))
3521 (set-buffer (gnus-get-buffer-create name))
3523 (make-local-variable 'gnus-summary-buffer)
3524 (gnus-summary-set-local-parameters gnus-newsgroup-name)
3525 (current-buffer)))))
3527 ;; Set article window start at LINE, where LINE is the number of lines
3528 ;; from the head of the article.
3529 (defun gnus-article-set-window-start (&optional line)
3531 (gnus-get-buffer-window gnus-article-buffer t)
3533 (set-buffer gnus-article-buffer)
3534 (goto-char (point-min))
3537 (gnus-message 6 "Moved to bookmark")
3538 (search-forward "\n\n" nil t)
3542 (defun gnus-article-prepare (article &optional all-headers header)
3543 "Prepare ARTICLE in article mode buffer.
3544 ARTICLE should either be an article number or a Message-ID.
3545 If ARTICLE is an id, HEADER should be the article headers.
3546 If ALL-HEADERS is non-nil, no headers are hidden."
3548 ;; Make sure we start in a summary buffer.
3549 (unless (eq major-mode 'gnus-summary-mode)
3550 (set-buffer gnus-summary-buffer))
3551 (setq gnus-summary-buffer (current-buffer))
3552 (let* ((gnus-article (if header (mail-header-number header) article))
3553 (summary-buffer (current-buffer))
3554 (gnus-tmp-internal-hook gnus-article-internal-prepare-hook)
3555 (group gnus-newsgroup-name)
3558 (gnus-article-setup-buffer)
3559 (set-buffer gnus-article-buffer)
3560 ;; Deactivate active regions.
3561 (when (and (boundp 'transient-mark-mode)
3562 transient-mark-mode)
3563 (setq mark-active nil))
3564 (if (not (setq result (let ((buffer-read-only nil))
3565 (gnus-request-article-this-buffer
3567 ;; There is no such article.
3569 (when (and (numberp article)
3570 (not (memq article gnus-newsgroup-sparse)))
3571 (setq gnus-article-current
3572 (cons gnus-newsgroup-name article))
3573 (set-buffer gnus-summary-buffer)
3574 (setq gnus-current-article article)
3575 (if (and (memq article gnus-newsgroup-undownloaded)
3576 (not (gnus-online (gnus-find-method-for-group
3577 gnus-newsgroup-name))))
3579 (gnus-summary-set-agent-mark article)
3580 (message "Message marked for downloading"))
3581 (gnus-summary-mark-article article gnus-canceled-mark)
3582 (unless (memq article gnus-newsgroup-sparse)
3583 (gnus-error 1 "No such article (may have expired or been canceled)")))))
3584 (if (or (eq result 'pseudo)
3585 (eq result 'nneething))
3588 (set-buffer summary-buffer)
3589 (push article gnus-newsgroup-history)
3590 (setq gnus-last-article gnus-current-article
3591 gnus-current-article 0
3592 gnus-current-headers nil
3593 gnus-article-current nil)
3594 (if (eq result 'nneething)
3595 (gnus-configure-windows 'summary)
3596 (gnus-configure-windows 'article))
3597 (gnus-set-global-variables))
3598 (let ((gnus-article-mime-handle-alist-1
3599 gnus-article-mime-handle-alist))
3600 (gnus-set-mode-line 'article)))
3601 ;; The result from the `request' was an actual article -
3602 ;; or at least some text that is now displayed in the
3604 (when (and (numberp article)
3605 (not (eq article gnus-current-article)))
3606 ;; Seems like a new article has been selected.
3607 ;; `gnus-current-article' must be an article number.
3609 (set-buffer summary-buffer)
3610 (push article gnus-newsgroup-history)
3611 (setq gnus-last-article gnus-current-article
3612 gnus-current-article article
3613 gnus-current-headers
3614 (gnus-summary-article-header gnus-current-article)
3615 gnus-article-current
3616 (cons gnus-newsgroup-name gnus-current-article))
3617 (unless (vectorp gnus-current-headers)
3618 (setq gnus-current-headers nil))
3619 (gnus-summary-goto-subject gnus-current-article)
3620 (when (gnus-summary-show-thread)
3621 ;; If the summary buffer really was folded, the
3622 ;; previous goto may not actually have gone to
3623 ;; the right article, but the thread root instead.
3625 (gnus-summary-goto-subject gnus-current-article))
3626 (gnus-run-hooks 'gnus-mark-article-hook)
3627 (gnus-set-mode-line 'summary)
3628 (when (gnus-visual-p 'article-highlight 'highlight)
3629 (gnus-run-hooks 'gnus-visual-mark-article-hook))
3630 ;; Set the global newsgroup variables here.
3631 (gnus-set-global-variables)
3632 (setq gnus-have-all-headers
3633 (or all-headers gnus-show-all-headers))))
3635 (gnus-configure-windows 'article))
3636 (when (or (numberp article)
3638 (gnus-article-prepare-display)
3640 (goto-char (point-min))
3641 (setq gnus-page-broken
3642 (when gnus-break-pages
3643 (gnus-narrow-to-page)
3645 (let ((gnus-article-mime-handle-alist-1
3646 gnus-article-mime-handle-alist))
3647 (gnus-set-mode-line 'article))
3651 (set-window-point (get-buffer-window (current-buffer)) (point))
3652 (gnus-configure-windows 'article)
3656 (defun gnus-article-prepare-display ()
3657 "Make the current buffer look like a nice article."
3658 ;; Hooks for getting information from the article.
3659 ;; This hook must be called before being narrowed.
3660 (let ((gnus-article-buffer (current-buffer))
3662 (unless (eq major-mode 'gnus-article-mode)
3663 (gnus-article-mode))
3664 (setq buffer-read-only nil
3665 gnus-article-wash-types nil
3666 gnus-article-image-alist nil)
3667 (gnus-run-hooks 'gnus-tmp-internal-hook)
3668 (when gnus-display-mime-function
3669 (funcall gnus-display-mime-function))
3670 (gnus-run-hooks 'gnus-article-prepare-hook)))
3673 ;;; Gnus MIME viewing functions
3676 (defvar gnus-mime-button-line-format "%{%([%p. %d%T]%)%}%e\n"
3677 "Format of the MIME buttons.
3679 Valid specifiers include:
3681 %T MIME type, along with additional info
3682 %n The `name' parameter
3683 %d The description, if any
3684 %l The length of the encoded part
3685 %p The part identifier number
3686 %e Dots if the part isn't displayed
3688 General format specifiers can also be used. See Info node
3689 `(gnus)Formatting Variables'.")
3691 (defvar gnus-mime-button-line-format-alist
3692 '((?t gnus-tmp-type ?s)
3693 (?T gnus-tmp-type-long ?s)
3694 (?n gnus-tmp-name ?s)
3695 (?d gnus-tmp-description ?s)
3697 (?l gnus-tmp-length ?d)
3698 (?e gnus-tmp-dots ?s)))
3700 (defvar gnus-mime-button-commands
3701 '((gnus-article-press-button "\r" "Toggle Display")
3702 (gnus-mime-view-part "v" "View Interactively...")
3703 (gnus-mime-view-part-as-type "t" "View As Type...")
3704 (gnus-mime-view-part-as-charset "C" "View As charset...")
3705 (gnus-mime-save-part "o" "Save...")
3706 (gnus-mime-save-part-and-strip "\C-o" "Save and Strip")
3707 (gnus-mime-copy-part "c" "View As Text, In Other Buffer")
3708 (gnus-mime-inline-part "i" "View As Text, In This Buffer")
3709 (gnus-mime-view-part-internally "E" "View Internally")
3710 (gnus-mime-view-part-externally "e" "View Externally")
3711 (gnus-mime-print-part "p" "Print")
3712 (gnus-mime-pipe-part "|" "Pipe To Command...")
3713 (gnus-mime-action-on-part "." "Take action on the part...")))
3715 (defun gnus-article-mime-part-status ()
3716 (if gnus-article-mime-handle-alist-1
3717 (if (eq 1 (length gnus-article-mime-handle-alist-1))
3719 (format " (%d parts)" (length gnus-article-mime-handle-alist-1)))
3722 (defvar gnus-mime-button-map
3723 (let ((map (make-sparse-keymap)))
3724 (unless (>= (string-to-number emacs-version) 21)
3725 ;; XEmacs doesn't care.
3726 (set-keymap-parent map gnus-article-mode-map))
3727 (define-key map gnus-mouse-2 'gnus-article-push-button)
3728 (define-key map gnus-down-mouse-3 'gnus-mime-button-menu)
3729 (dolist (c gnus-mime-button-commands)
3730 (define-key map (cadr c) (car c)))
3733 (easy-menu-define gnus-mime-button-menu gnus-mime-button-map "MIME button menu."
3735 ,@(mapcar (lambda (c)
3736 (vector (caddr c) (car c) :enable t)) gnus-mime-button-commands)))
3739 (define-compiler-macro popup-menu (&whole form
3740 menu &optional position prefix)
3741 (if (and (fboundp 'popup-menu)
3742 (not (memq 'popup-menu (assoc "lmenu" load-history))))
3744 ;; Gnus is probably running under Emacs 20.
3745 `(let* ((menu (cdr ,menu))
3746 (response (x-popup-menu
3748 (cons "" (mapcar (lambda (c)
3749 (cons (caddr c) (car c)))
3752 (call-interactively (nth 3 (assq response menu))))))))
3754 (defun gnus-mime-button-menu (event prefix)
3755 "Construct a context-sensitive menu of MIME commands."
3756 (interactive "e\nP")
3757 (save-window-excursion
3758 (let ((pos (event-start event)))
3759 (select-window (posn-window pos))
3760 (goto-char (posn-point pos))
3761 (gnus-article-check-buffer)
3762 (popup-menu gnus-mime-button-menu nil prefix))))
3764 (defun gnus-mime-view-all-parts (&optional handles)
3765 "View all the MIME parts."
3767 (save-current-buffer
3768 (set-buffer gnus-article-buffer)
3769 (let ((handles (or handles gnus-article-mime-handles))
3770 (mail-parse-charset gnus-newsgroup-charset)
3771 (mail-parse-ignored-charsets
3772 (with-current-buffer gnus-summary-buffer
3773 gnus-newsgroup-ignored-charsets)))
3775 (mm-remove-parts handles)
3776 (goto-char (point-min))
3777 (or (search-forward "\n\n") (goto-char (point-max)))
3778 (let (buffer-read-only)
3779 (delete-region (point) (point-max))
3780 (mm-display-parts handles))))))
3782 (defun gnus-mime-save-part-and-strip ()
3783 "Save the MIME part under point then replace it with an external body."
3785 (gnus-article-check-buffer)
3786 (let* ((data (get-text-property (point) 'gnus-data))
3788 (handles gnus-article-mime-handles))
3789 (if (mm-multiple-handles gnus-article-mime-handles)
3790 (error "This function is not implemented"))
3791 (setq file (and data (mm-save-part data)))
3793 (with-current-buffer (mm-handle-buffer data)
3795 (insert "Content-Type: " (mm-handle-media-type data))
3796 (mml-insert-parameter-string (cdr (mm-handle-type data))
3799 (insert "Content-ID: " (message-make-message-id) "\n")
3800 (insert "Content-Transfer-Encoding: binary\n")
3803 (cdr (mm-make-handle nil
3804 `("message/external-body"
3805 (access-type . "LOCAL-FILE")
3807 (set-buffer gnus-summary-buffer)
3808 (gnus-article-edit-article
3811 (let ((mail-parse-charset (or gnus-article-charset
3812 ',gnus-newsgroup-charset))
3813 (mail-parse-ignored-charsets
3814 (or gnus-article-ignored-charsets
3815 ',gnus-newsgroup-ignored-charsets))
3816 (mbl mml-buffer-list))
3817 (setq mml-buffer-list nil)
3818 (insert-buffer gnus-original-article-buffer)
3819 (mime-to-mml ',handles)
3820 (setq gnus-article-mime-handles nil)
3821 (let ((mbl1 mml-buffer-list))
3822 (setq mml-buffer-list mbl)
3823 (set (make-local-variable 'mml-buffer-list) mbl1))
3824 ;; LOCAL argument of add-hook differs between GNU Emacs
3825 ;; and XEmacs. make-local-hook makes sure they are local.
3826 (make-local-hook 'kill-buffer-hook)
3827 (add-hook 'kill-buffer-hook 'mml-destroy-buffers t t)))
3828 `(lambda (no-highlight)
3829 (let ((mail-parse-charset (or gnus-article-charset
3830 ',gnus-newsgroup-charset))
3831 (message-options message-options)
3832 (message-options-set-recipient)
3833 (mail-parse-ignored-charsets
3834 (or gnus-article-ignored-charsets
3835 ',gnus-newsgroup-ignored-charsets)))
3837 (mml-destroy-buffers)
3838 (remove-hook 'kill-buffer-hook
3839 'mml-destroy-buffers t)
3840 (kill-local-variable 'mml-buffer-list))
3841 (gnus-summary-edit-article-done
3842 ,(or (mail-header-references gnus-current-headers) "")
3843 ,(gnus-group-read-only-p)
3844 ,gnus-summary-buffer no-highlight))))))
3846 (defun gnus-mime-save-part ()
3847 "Save the MIME part under point."
3849 (gnus-article-check-buffer)
3850 (let ((data (get-text-property (point) 'gnus-data)))
3852 (mm-save-part data))))
3854 (defun gnus-mime-pipe-part ()
3855 "Pipe the MIME part under point to a process."
3857 (gnus-article-check-buffer)
3858 (let ((data (get-text-property (point) 'gnus-data)))
3860 (mm-pipe-part data))))
3862 (defun gnus-mime-view-part ()
3863 "Interactively choose a viewing method for the MIME part under point."
3865 (gnus-article-check-buffer)
3866 (let ((data (get-text-property (point) 'gnus-data)))
3868 (setq gnus-article-mime-handles
3870 gnus-article-mime-handles (setq data (copy-sequence data))))
3871 (mm-interactively-view-part data))))
3873 (defun gnus-mime-view-part-as-type-internal ()
3874 (gnus-article-check-buffer)
3875 (let* ((name (mail-content-type-get
3876 (mm-handle-type (get-text-property (point) 'gnus-data))
3878 (def-type (and name (mm-default-file-encoding name))))
3879 (and def-type (cons def-type 0))))
3881 (defun gnus-mime-view-part-as-type (&optional mime-type)
3882 "Choose a MIME media type, and view the part as such."
3885 (setq mime-type (completing-read
3886 "View as MIME type: "
3887 (mapcar #'list (mailcap-mime-types))
3889 (gnus-mime-view-part-as-type-internal))))
3890 (gnus-article-check-buffer)
3891 (let ((handle (get-text-property (point) 'gnus-data)))
3894 (mm-make-handle (mm-handle-buffer handle)
3895 (cons mime-type (cdr (mm-handle-type handle)))
3896 (mm-handle-encoding handle)
3897 (mm-handle-undisplayer handle)
3898 (mm-handle-disposition handle)
3899 (mm-handle-description handle)
3901 (mm-handle-id handle)))
3902 (setq gnus-article-mime-handles
3903 (mm-merge-handles gnus-article-mime-handles handle))
3904 (gnus-mm-display-part handle))))
3907 (require 'jka-compr))
3909 ;; jka-compr.el uses a "sh -c" to direct stderr to err-file, but these days
3910 ;; emacs can do that itself.
3912 (defun gnus-mime-jka-compr-maybe-uncompress ()
3913 "Uncompress the current buffer if `auto-compression-mode' is enabled.
3914 The uncompress method used is derived from `buffer-file-name'."
3915 (when (and (fboundp 'jka-compr-installed-p)
3916 (jka-compr-installed-p))
3917 (let ((info (jka-compr-get-compression-info buffer-file-name)))
3919 (let ((basename (file-name-nondirectory buffer-file-name))
3920 (args (jka-compr-info-uncompress-args info))
3921 (prog (jka-compr-info-uncompress-program info))
3922 (message (jka-compr-info-uncompress-message info))
3923 (err-file (jka-compr-make-temp-name)))
3925 (message "%s %s..." message basename))
3927 (unless (memq (apply 'call-process-region
3928 (point-min) (point-max)
3930 t (list t err-file) nil
3932 jka-compr-acceptable-retval-list)
3933 (jka-compr-error prog args basename message err-file))
3934 (jka-compr-delete-temp-file err-file)))))))
3936 (defun gnus-mime-copy-part (&optional handle)
3937 "Put the MIME part under point into a new buffer.
3938 If `auto-compression-mode' is enabled, compressed files like .gz and .bz2
3941 (gnus-article-check-buffer)
3942 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
3943 (contents (and handle (mm-get-part handle)))
3945 (file-name-nondirectory
3947 (mail-content-type-get (mm-handle-type handle) 'name)
3948 (mail-content-type-get (mm-handle-disposition handle)
3951 (buffer (and base (generate-new-buffer base))))
3953 (switch-to-buffer buffer)
3955 ;; We do it this way to make `normal-mode' set the appropriate mode.
3958 (setq buffer-file-name (expand-file-name base))
3959 (gnus-mime-jka-compr-maybe-uncompress)
3961 (setq buffer-file-name nil))
3962 (goto-char (point-min)))))
3964 (defun gnus-mime-print-part (&optional handle filename)
3965 "Print the MIME part under point."
3966 (interactive (list nil (ps-print-preprint current-prefix-arg)))
3967 (gnus-article-check-buffer)
3968 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
3969 (contents (and handle (mm-get-part handle)))
3970 (file (mm-make-temp-file (expand-file-name "mm." mm-tmp-directory)))
3971 (printer (mailcap-mime-info (mm-handle-media-type handle) "print")))
3976 (mm-save-part-to-file handle file)
3977 (call-process shell-file-name nil
3978 (generate-new-buffer " *mm*")
3980 shell-command-switch
3982 printer file (mm-handle-type handle))))
3986 (gnus-print-buffer))
3987 (ps-despool filename)))))
3989 (defun gnus-mime-inline-part (&optional handle arg)
3990 "Insert the MIME part under point into the current buffer."
3991 (interactive (list nil current-prefix-arg))
3992 (gnus-article-check-buffer)
3993 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
3998 (if (and (not arg) (mm-handle-undisplayer handle))
3999 (mm-remove-part handle)
4000 (setq contents (mm-get-part handle))
4003 (setq charset (or (mail-content-type-get
4004 (mm-handle-type handle) 'charset)
4005 gnus-newsgroup-charset)))
4007 (if (mm-handle-undisplayer handle)
4008 (mm-remove-part handle))
4011 gnus-summary-show-article-charset-alist))
4012 (mm-read-coding-system "Charset: ")))))
4014 (mm-insert-inline handle
4016 (setq charset (mm-charset-to-coding-system
4018 (not (eq charset 'ascii)))
4019 (mm-decode-coding-string contents charset)
4023 (defun gnus-mime-view-part-as-charset (&optional handle arg)
4024 "Insert the MIME part under point into the current buffer using the
4026 (interactive (list nil current-prefix-arg))
4027 (gnus-article-check-buffer)
4028 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4033 (if (mm-handle-undisplayer handle)
4034 (mm-remove-part handle))
4035 (let ((gnus-newsgroup-charset
4037 gnus-summary-show-article-charset-alist))
4038 (mm-read-coding-system "Charset: ")))
4039 (gnus-newsgroup-ignored-charsets 'gnus-all))
4040 (gnus-article-press-button)))))
4042 (defun gnus-mime-view-part-externally (&optional handle)
4043 "View the MIME part under point with an external viewer."
4045 (gnus-article-check-buffer)
4046 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4047 (mm-user-display-methods nil)
4048 (mm-inlined-types nil)
4049 (mail-parse-charset gnus-newsgroup-charset)
4050 (mail-parse-ignored-charsets
4051 (save-excursion (set-buffer gnus-summary-buffer)
4052 gnus-newsgroup-ignored-charsets)))
4054 (if (mm-handle-undisplayer handle)
4055 (mm-remove-part handle)
4056 (mm-display-part handle)))))
4058 (defun gnus-mime-view-part-internally (&optional handle)
4059 "View the MIME part under point with an internal viewer.
4060 If no internal viewer is available, use an external viewer."
4062 (gnus-article-check-buffer)
4063 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4064 (mm-inlined-types '(".*"))
4065 (mm-inline-large-images t)
4066 (mail-parse-charset gnus-newsgroup-charset)
4067 (mail-parse-ignored-charsets
4068 (save-excursion (set-buffer gnus-summary-buffer)
4069 gnus-newsgroup-ignored-charsets))
4072 (if (mm-handle-undisplayer handle)
4073 (mm-remove-part handle)
4074 (mm-display-part handle)))))
4076 (defun gnus-mime-action-on-part (&optional action)
4077 "Do something with the MIME attachment at \(point\)."
4079 (list (completing-read "Action: " gnus-mime-action-alist nil t)))
4080 (gnus-article-check-buffer)
4081 (let ((action-pair (assoc action gnus-mime-action-alist)))
4083 (funcall (cdr action-pair)))))
4085 (defun gnus-article-part-wrapper (n function)
4086 (save-current-buffer
4087 (set-buffer gnus-article-buffer)
4088 (when (> n (length gnus-article-mime-handle-alist))
4089 (error "No such part"))
4090 (gnus-article-goto-part n)
4091 (let ((handle (cdr (assq n gnus-article-mime-handle-alist))))
4092 (funcall function handle))))
4094 (defun gnus-article-pipe-part (n)
4095 "Pipe MIME part N, which is the numerical prefix."
4097 (gnus-article-part-wrapper n 'mm-pipe-part))
4099 (defun gnus-article-save-part (n)
4100 "Save MIME part N, which is the numerical prefix."
4102 (gnus-article-part-wrapper n 'mm-save-part))
4104 (defun gnus-article-interactively-view-part (n)
4105 "View MIME part N interactively, which is the numerical prefix."
4107 (gnus-article-part-wrapper n 'mm-interactively-view-part))
4109 (defun gnus-article-copy-part (n)
4110 "Copy MIME part N, which is the numerical prefix."
4112 (gnus-article-part-wrapper n 'gnus-mime-copy-part))
4114 (defun gnus-article-view-part-as-charset (n)
4115 "Copy MIME part N, which is the numerical prefix."
4117 (gnus-article-part-wrapper n 'gnus-mime-view-part-as-charset))
4119 (defun gnus-article-view-part-externally (n)
4120 "View MIME part N externally, which is the numerical prefix."
4122 (gnus-article-part-wrapper n 'gnus-mime-view-part-externally))
4124 (defun gnus-article-inline-part (n)
4125 "Inline MIME part N, which is the numerical prefix."
4127 (gnus-article-part-wrapper n 'gnus-mime-inline-part))
4129 (defun gnus-article-mime-match-handle-first (condition)
4131 (let ((alist gnus-article-mime-handle-alist) ihandle n)
4132 (while (setq ihandle (pop alist))
4134 ((functionp condition)
4135 (funcall condition (cdr ihandle)))
4136 ((eq condition 'undisplayed)
4137 (not (or (mm-handle-undisplayer (cdr ihandle))
4138 (equal (mm-handle-media-type (cdr ihandle))
4139 "multipart/alternative"))))
4140 ((eq condition 'undisplayed-alternative)
4141 (not (mm-handle-undisplayer (cdr ihandle))))
4143 (gnus-article-goto-part (car ihandle))
4144 (or (not n) (< (car ihandle) n)))
4145 (setq n (car ihandle))))
4149 (defun gnus-article-view-part (&optional n)
4150 "View MIME part N, which is the numerical prefix."
4152 (save-current-buffer
4153 (set-buffer gnus-article-buffer)
4154 (or (numberp n) (setq n (gnus-article-mime-match-handle-first
4155 gnus-article-mime-match-handle-function)))
4156 (when (> n (length gnus-article-mime-handle-alist))
4157 (error "No such part"))
4158 (let ((handle (cdr (assq n gnus-article-mime-handle-alist))))
4159 (when (gnus-article-goto-part n)
4160 (if (equal (car handle) "multipart/alternative")
4161 (gnus-article-press-button)
4162 (when (eq (gnus-mm-display-part handle) 'internal)
4163 (gnus-set-window-start)))))))
4165 (defsubst gnus-article-mime-total-parts ()
4166 (if (bufferp (car gnus-article-mime-handles))
4168 (1- (length gnus-article-mime-handles))))
4170 (defun gnus-mm-display-part (handle)
4171 "Display HANDLE and fix MIME button."
4172 (let ((id (get-text-property (point) 'gnus-part))
4177 (let ((window (selected-window))
4178 (mail-parse-charset gnus-newsgroup-charset)
4179 (mail-parse-ignored-charsets
4180 (if (gnus-buffer-live-p gnus-summary-buffer)
4182 (set-buffer gnus-summary-buffer)
4183 gnus-newsgroup-ignored-charsets)
4187 (let ((win (gnus-get-buffer-window (current-buffer) t))
4190 (select-window win))
4193 (if (mm-handle-displayed-p handle)
4194 ;; This will remove the part.
4195 (mm-display-part handle)
4197 (narrow-to-region (point)
4198 (if (eobp) (point) (1+ (point))))
4199 (mm-display-part handle)
4200 ;; We narrow to the part itself and
4201 ;; then call the treatment functions.
4202 (goto-char (point-min))
4204 (narrow-to-region (point) (point-max))
4207 (gnus-article-mime-total-parts)
4208 (mm-handle-media-type handle)))))
4209 (if (window-live-p window)
4210 (select-window window)))))
4212 (delete-region (gnus-point-at-bol) (progn (forward-line 1) (point)))
4213 (gnus-insert-mime-button
4214 handle id (list (mm-handle-displayed-p handle)))
4215 (goto-char point))))
4217 (defun gnus-article-goto-part (n)
4218 "Go to MIME part N."
4219 (let ((point (text-property-any (point-min) (point-max) 'gnus-part n)))
4221 (goto-char point))))
4223 (defun gnus-insert-mime-button (handle gnus-tmp-id &optional displayed)
4224 (let ((gnus-tmp-name
4225 (or (mail-content-type-get (mm-handle-type handle) 'name)
4226 (mail-content-type-get (mm-handle-disposition handle) 'filename)
4227 (mail-content-type-get (mm-handle-type handle) 'url)
4229 (gnus-tmp-type (mm-handle-media-type handle))
4230 (gnus-tmp-description
4231 (mail-decode-encoded-word-string (or (mm-handle-description handle)
4234 (if (if displayed (car displayed)
4235 (mm-handle-displayed-p handle))
4237 (gnus-tmp-length (with-current-buffer (mm-handle-buffer handle)
4239 gnus-tmp-type-long b e)
4240 (when (string-match ".*/" gnus-tmp-name)
4241 (setq gnus-tmp-name (replace-match "" t t gnus-tmp-name)))
4242 (setq gnus-tmp-type-long (concat gnus-tmp-type
4243 (and (not (equal gnus-tmp-name ""))
4244 (concat "; " gnus-tmp-name))))
4245 (unless (equal gnus-tmp-description "")
4246 (setq gnus-tmp-type-long (concat " --- " gnus-tmp-type-long)))
4251 gnus-mime-button-line-format gnus-mime-button-line-format-alist
4252 `(,@(gnus-local-map-property gnus-mime-button-map)
4253 gnus-callback gnus-mm-display-part
4254 gnus-part ,gnus-tmp-id
4255 article-type annotation
4258 (widget-convert-button
4261 :action 'gnus-widget-press-button
4262 :button-keymap gnus-mime-button-map
4264 (lambda (widget/window &optional overlay pos)
4265 ;; Needed to properly clear the message due to a bug in
4266 ;; wid-edit (XEmacs only).
4267 (if (boundp 'help-echo-owns-message)
4268 (setq help-echo-owns-message t))
4270 "%S: %s the MIME part; %S: more options"
4271 (aref gnus-mouse-2 0)
4272 ;; XEmacs will get a single widget arg; Emacs 21 will get
4273 ;; window, overlay, position.
4274 (if (mm-handle-displayed-p
4276 (with-current-buffer (gnus-overlay-buffer overlay)
4277 (widget-get (widget-at (gnus-overlay-start overlay))
4279 (widget-get widget/window :mime-handle)))
4281 (aref gnus-down-mouse-3 0))))))
4283 (defun gnus-widget-press-button (elems el)
4284 (goto-char (widget-get elems :from))
4285 (gnus-article-press-button))
4287 (defvar gnus-displaying-mime nil)
4289 (defun gnus-display-mime (&optional ihandles)
4290 "Display the MIME parts."
4292 (save-selected-window
4293 (let ((window (get-buffer-window gnus-article-buffer))
4296 (select-window window)
4297 ;; We have to do this since selecting the window
4298 ;; may change the point. So we set the window point.
4299 (set-window-point window point)))
4300 (let* ((handles (or ihandles
4301 (mm-dissect-buffer nil gnus-article-loose-mime)
4302 (and gnus-article-emulate-mime
4304 buffer-read-only handle name type b e display)
4305 (when (and (not ihandles)
4306 (not gnus-displaying-mime))
4307 ;; Top-level call; we clean up.
4308 (when gnus-article-mime-handles
4309 (mm-destroy-parts gnus-article-mime-handles)
4310 (setq gnus-article-mime-handle-alist nil));; A trick.
4311 (setq gnus-article-mime-handles handles)
4312 ;; We allow users to glean info from the handles.
4313 (when gnus-article-mime-part-function
4314 (gnus-mime-part-function handles)))
4316 (or (not (stringp (car handles)))
4319 (when (and (not ihandles)
4320 (not gnus-displaying-mime))
4321 ;; Clean up for mime parts.
4323 (delete-region (point) (point-max)))
4324 (let ((gnus-displaying-mime t))
4325 (gnus-mime-display-part handles)))
4328 (narrow-to-region (point) (point-max))
4329 (gnus-treat-article nil 1 1)
4332 ;; Highlight the headers.
4336 (narrow-to-region (point-min) (point))
4337 (gnus-treat-article 'head))))))))
4339 (defvar gnus-mime-display-multipart-as-mixed nil)
4340 (defvar gnus-mime-display-multipart-alternative-as-mixed nil)
4341 (defvar gnus-mime-display-multipart-related-as-mixed nil)
4343 (defun gnus-mime-display-part (handle)
4346 ((not (stringp (car handle)))
4347 (gnus-mime-display-single handle))
4348 ;; User-defined multipart
4349 ((cdr (assoc (car handle) gnus-mime-multipart-functions))
4350 (funcall (cdr (assoc (car handle) gnus-mime-multipart-functions))
4352 ;; multipart/alternative
4353 ((and (equal (car handle) "multipart/alternative")
4354 (not (or gnus-mime-display-multipart-as-mixed
4355 gnus-mime-display-multipart-alternative-as-mixed)))
4356 (let ((id (1+ (length gnus-article-mime-handle-alist))))
4357 (push (cons id handle) gnus-article-mime-handle-alist)
4358 (gnus-mime-display-alternative (cdr handle) nil nil id)))
4359 ;; multipart/related
4360 ((and (equal (car handle) "multipart/related")
4361 (not (or gnus-mime-display-multipart-as-mixed
4362 gnus-mime-display-multipart-related-as-mixed)))
4363 ;;;!!!We should find the start part, but we just default
4364 ;;;!!!to the first part.
4365 ;;(gnus-mime-display-part (cadr handle))
4366 ;;;!!! Most multipart/related is an HTML message plus images.
4367 ;;;!!! Unfortunately we are unable to let W3 display those
4368 ;;;!!! included images, so we just display it as a mixed multipart.
4369 ;;(gnus-mime-display-mixed (cdr handle))
4370 ;;;!!! No, w3 can display everything just fine.
4371 (gnus-mime-display-part (cadr handle)))
4372 ((equal (car handle) "multipart/signed")
4373 (gnus-add-wash-type 'signed)
4374 (gnus-mime-display-security handle))
4375 ((equal (car handle) "multipart/encrypted")
4376 (gnus-add-wash-type 'encrypted)
4377 (gnus-mime-display-security handle))
4378 ;; Other multiparts are handled like multipart/mixed.
4380 (gnus-mime-display-mixed (cdr handle)))))
4382 (defun gnus-mime-part-function (handles)
4383 (if (stringp (car handles))
4384 (mapcar 'gnus-mime-part-function (cdr handles))
4385 (funcall gnus-article-mime-part-function handles)))
4387 (defun gnus-mime-display-mixed (handles)
4388 (mapcar 'gnus-mime-display-part handles))
4390 (defun gnus-mime-display-single (handle)
4391 (let ((type (mm-handle-media-type handle))
4392 (ignored gnus-ignored-mime-types)
4399 (when (string-match (pop ignored) type)
4400 (throw 'ignored nil)))
4401 (if (and (setq not-attachment
4402 (and (not (mm-inline-override-p handle))
4403 (or (not (mm-handle-disposition handle))
4404 (equal (car (mm-handle-disposition handle))
4406 (mm-attachment-override-p handle))))
4407 (mm-automatic-display-p handle)
4409 (mm-inlinable-p handle)
4410 (mm-inlined-p handle))
4411 (mm-automatic-external-display-p type)))
4413 (when (equal (mm-handle-media-supertype handle) "text")
4415 (let ((id (1+ (length gnus-article-mime-handle-alist)))
4417 (push (cons id handle) gnus-article-mime-handle-alist)
4418 (when (or (not display)
4419 (not (gnus-unbuttonized-mime-type-p type)))
4420 ;(gnus-article-insert-newline)
4421 (gnus-insert-mime-button
4422 handle id (list (or display (and not-attachment text))))
4423 (gnus-article-insert-newline)
4424 ;(gnus-article-insert-newline)
4425 ;; Remember modify the number of forward lines.
4433 (let ((mail-parse-charset gnus-newsgroup-charset)
4434 (mail-parse-ignored-charsets
4435 (save-excursion (condition-case ()
4436 (set-buffer gnus-summary-buffer)
4438 gnus-newsgroup-ignored-charsets)))
4439 (mm-display-part handle t))
4440 (goto-char (point-max)))
4441 ((and text not-attachment)
4445 (gnus-article-insert-newline)
4446 (mm-insert-inline handle (mm-get-part handle))
4447 (goto-char (point-max))))
4451 (narrow-to-region beg (point))
4454 (gnus-article-mime-total-parts)
4455 (mm-handle-media-type handle)))))))))
4457 (defun gnus-unbuttonized-mime-type-p (type)
4458 "Say whether TYPE is to be unbuttonized."
4459 (unless gnus-inhibit-mime-unbuttonizing
4461 (let ((types gnus-unbuttonized-mime-types))
4463 (when (string-match (pop types) type)
4464 (throw 'found t)))))
4466 (let ((types gnus-buttonized-mime-types))
4468 (when (string-match (pop types) type)
4469 (throw 'found t)))))))))
4471 (defun gnus-article-insert-newline ()
4472 "Insert a newline, but mark it as undeletable."
4473 (gnus-put-text-property
4474 (point) (progn (insert "\n") (point)) 'gnus-undeletable t))
4476 (defun gnus-mime-display-alternative (handles &optional preferred ibegend id)
4477 (let* ((preferred (or preferred (mm-preferred-alternative handles)))
4480 handle buffer-read-only from props begend not-pref)
4481 (save-window-excursion
4484 (narrow-to-region (car ibegend)
4487 (goto-char (car ibegend))
4490 (delete-region (point-min) (point-max))
4491 (mm-remove-parts handles))
4492 (setq begend (list (point-marker)))
4494 (unless (setq not-pref (cadr (member preferred ihandles)))
4495 (setq not-pref (car ihandles)))
4498 (not (gnus-unbuttonized-mime-type-p
4499 "multipart/alternative")))
4500 (gnus-add-text-properties
4503 (insert (format "%d. " id))
4507 (unless ,(not ibegend)
4508 (setq gnus-article-mime-handle-alist
4509 ',gnus-article-mime-handle-alist))
4510 (gnus-mime-display-alternative
4511 ',ihandles ',not-pref ',begend ,id))
4512 ,@(gnus-local-map-property gnus-mime-button-map)
4513 ,gnus-mouse-face-prop ,gnus-article-mouse-face
4514 face ,gnus-article-button-face
4517 (widget-convert-button 'link from (point)
4518 :action 'gnus-widget-press-button
4519 :button-keymap gnus-widget-button-keymap)
4521 (while (setq handle (pop handles))
4522 (gnus-add-text-properties
4525 (insert (format "(%c) %-18s"
4526 (if (equal handle preferred) ?* ? )
4527 (mm-handle-media-type handle)))
4531 (unless ,(not ibegend)
4532 (setq gnus-article-mime-handle-alist
4533 ',gnus-article-mime-handle-alist))
4534 (gnus-mime-display-alternative
4535 ',ihandles ',handle ',begend ,id))
4536 ,@(gnus-local-map-property gnus-mime-button-map)
4537 ,gnus-mouse-face-prop ,gnus-article-mouse-face
4538 face ,gnus-article-button-face
4541 (widget-convert-button 'link from (point)
4542 :action 'gnus-widget-press-button
4543 :button-keymap gnus-widget-button-keymap)
4547 (if (stringp (car preferred))
4548 (gnus-display-mime preferred)
4549 (let ((mail-parse-charset gnus-newsgroup-charset)
4550 (mail-parse-ignored-charsets
4551 (save-excursion (set-buffer gnus-summary-buffer)
4552 gnus-newsgroup-ignored-charsets)))
4553 (mm-display-part preferred)
4557 (narrow-to-region (car begend) (point-max))
4559 nil (length gnus-article-mime-handle-alist)
4560 (gnus-article-mime-total-parts)
4561 (mm-handle-media-type handle))))))
4562 (goto-char (point-max))
4563 (setcdr begend (point-marker)))))
4565 (goto-char point))))
4567 (defconst gnus-article-wash-status-strings
4568 (let ((alist '((cite "c" "Possible hidden citation text"
4569 " " "All citation text visible")
4570 (headers "h" "Hidden headers"
4571 " " "All headers visible.")
4572 (pgp "p" "Encrypted or signed message status hidden"
4573 " " "No hidden encryption nor digital signature status")
4574 (signature "s" "Signature has been hidden"
4575 " " "Signature is visible")
4576 (overstrike "o" "Overstrike (^H) characters applied"
4577 " " "No overstrike characters applied")
4578 (emphasis "e" "/*_Emphasis_*/ characters applied"
4579 " " "No /*_emphasis_*/ characters applied")))
4581 (dolist (entry alist result)
4582 (let ((key (nth 0 entry))
4583 (on (copy-sequence (nth 1 entry)))
4584 (on-help (nth 2 entry))
4585 (off (copy-sequence (nth 3 entry)))
4586 (off-help (nth 4 entry)))
4587 (put-text-property 0 1 'help-echo on-help on)
4588 (put-text-property 0 1 'help-echo off-help off)
4589 (push (list key on off) result))))
4590 "Alist of strings describing wash status in the mode line.
4591 Each entry has the form (KEY ON OF), where the KEY is a symbol
4592 representing the particular washing function, ON is the string to use
4593 in the article mode line when the washing function is active, and OFF
4594 is the string to use when it is inactive.")
4596 (defun gnus-article-wash-status-entry (key value)
4597 (let ((entry (assoc key gnus-article-wash-status-strings)))
4598 (if value (nth 1 entry) (nth 2 entry))))
4600 (defun gnus-article-wash-status ()
4601 "Return a string which display status of article washing."
4603 (set-buffer gnus-article-buffer)
4604 (let ((cite (memq 'cite gnus-article-wash-types))
4605 (headers (memq 'headers gnus-article-wash-types))
4606 (boring (memq 'boring-headers gnus-article-wash-types))
4607 (pgp (memq 'pgp gnus-article-wash-types))
4608 (pem (memq 'pem gnus-article-wash-types))
4609 (signed (memq 'signed gnus-article-wash-types))
4610 (encrypted (memq 'encrypted gnus-article-wash-types))
4611 (signature (memq 'signature gnus-article-wash-types))
4612 (overstrike (memq 'overstrike gnus-article-wash-types))
4613 (emphasis (memq 'emphasis gnus-article-wash-types)))
4615 (gnus-article-wash-status-entry 'cite cite)
4616 (gnus-article-wash-status-entry 'headers (or headers boring))
4617 (gnus-article-wash-status-entry 'pgp (or pgp pem signed encrypted))
4618 (gnus-article-wash-status-entry 'signature signature)
4619 (gnus-article-wash-status-entry 'overstrike overstrike)
4620 (gnus-article-wash-status-entry 'emphasis emphasis)))))
4622 (defun gnus-add-wash-type (type)
4623 "Add a washing of TYPE to the current status."
4624 (add-to-list 'gnus-article-wash-types type))
4626 (defun gnus-delete-wash-type (type)
4627 "Add a washing of TYPE to the current status."
4628 (setq gnus-article-wash-types (delq type gnus-article-wash-types)))
4630 (defun gnus-add-image (category image)
4631 "Add IMAGE of CATEGORY to the list of displayed images."
4632 (let ((entry (assq category gnus-article-image-alist)))
4634 (setq entry (list category))
4635 (push entry gnus-article-image-alist))
4636 (nconc entry (list image))))
4638 (defun gnus-delete-images (category)
4639 "Delete all images in CATEGORY."
4640 (let ((entry (assq category gnus-article-image-alist)))
4641 (dolist (image (cdr entry))
4642 (gnus-remove-image image))
4643 (setq gnus-article-image-alist (delq entry gnus-article-image-alist))
4644 (gnus-delete-wash-type category)))
4646 (defalias 'gnus-article-hide-headers-if-wanted 'gnus-article-maybe-hide-headers)
4648 (defun gnus-article-maybe-hide-headers ()
4649 "Hide unwanted headers if `gnus-have-all-headers' is nil.
4650 Provided for backwards compatibility."
4651 (when (and (or (not (gnus-buffer-live-p gnus-summary-buffer))
4652 (not (save-excursion (set-buffer gnus-summary-buffer)
4653 gnus-have-all-headers)))
4654 (not gnus-inhibit-hiding))
4655 (gnus-article-hide-headers)))
4659 (defun gnus-output-to-file (file-name)
4660 "Append the current article to a file named FILE-NAME."
4661 (let ((artbuf (current-buffer)))
4663 (insert-buffer-substring artbuf)
4664 ;; Append newline at end of the buffer as separator, and then
4666 (goto-char (point-max))
4668 (let ((file-name-coding-system nnmail-pathname-coding-system))
4669 (mm-append-to-file (point-min) (point-max) file-name))
4672 (defun gnus-narrow-to-page (&optional arg)
4673 "Narrow the article buffer to a page.
4674 If given a numerical ARG, move forward ARG pages."
4676 (setq arg (if arg (prefix-numeric-value arg) 0))
4678 (set-buffer gnus-article-buffer)
4679 (goto-char (point-min))
4681 ;; Remove any old next/prev buttons.
4682 (when (gnus-visual-p 'page-marker)
4683 (let ((buffer-read-only nil))
4684 (gnus-remove-text-with-property 'gnus-prev)
4685 (gnus-remove-text-with-property 'gnus-next)))
4688 (re-search-backward page-delimiter nil 'move (1+ (abs arg))))
4690 (re-search-forward page-delimiter nil 'move arg)))
4691 (goto-char (match-end 0)))
4694 (if (re-search-forward page-delimiter nil 'move)
4697 (when (and (gnus-visual-p 'page-marker)
4698 (not (= (point-min) 1)))
4700 (goto-char (point-min))
4701 (gnus-insert-prev-page-button)))
4702 (when (and (gnus-visual-p 'page-marker)
4703 (< (+ (point-max) 2) (buffer-size)))
4705 (goto-char (point-max))
4706 (gnus-insert-next-page-button)))))
4708 ;; Article mode commands
4710 (defun gnus-article-goto-next-page ()
4711 "Show the next page of the article."
4713 (gnus-eval-in-buffer-window gnus-summary-buffer
4714 (gnus-summary-next-page)))
4716 (defun gnus-article-goto-prev-page ()
4717 "Show the next page of the article."
4719 (gnus-eval-in-buffer-window gnus-summary-buffer
4720 (gnus-summary-prev-page)))
4722 (defun gnus-article-next-page (&optional lines)
4723 "Show the next page of the current article.
4724 If end of article, return non-nil. Otherwise return nil.
4725 Argument LINES specifies lines to be scrolled up."
4727 (move-to-window-line -1)
4730 (and (pos-visible-in-window-p) ;Not continuation line.
4731 (>= (1+ (point)) (point-max)))) ;Allow for trailing newline.
4732 ;; Nothing in this page.
4733 (if (or (not gnus-page-broken)
4736 (widen) (forward-line 1) (eobp)))) ;Real end-of-buffer?
4738 (gnus-narrow-to-page 1) ;Go to next page.
4740 ;; More in this page.
4741 (let ((scroll-in-place nil))
4745 ;; Long lines may cause an end-of-buffer error.
4746 (goto-char (point-max)))))
4747 (move-to-window-line 0)
4750 (defun gnus-article-prev-page (&optional lines)
4751 "Show previous page of current article.
4752 Argument LINES specifies lines to be scrolled down."
4754 (move-to-window-line 0)
4755 (if (and gnus-page-broken
4757 (not (save-restriction (widen) (bobp)))) ;Real beginning-of-buffer?
4759 (gnus-narrow-to-page -1) ;Go to previous page.
4760 (goto-char (point-max))
4762 (let ((scroll-in-place nil))
4766 (beginning-of-buffer
4767 (goto-char (point-min))))
4768 (move-to-window-line 0)))))
4770 (defun gnus-article-only-boring-p ()
4771 "Decide whether there is only boring text remaining in the article.
4772 Something \"interesting\" is a word of at least two letters that does
4773 not have a face in `gnus-article-boring-faces'."
4774 (when (and gnus-article-skip-boring
4775 (boundp 'gnus-article-boring-faces)
4776 (symbol-value 'gnus-article-boring-faces))
4779 (while (re-search-forward "\\b\\w\\w" nil t)
4781 (when (not (gnus-intersection
4782 (gnus-faces-at (point))
4783 (symbol-value 'gnus-article-boring-faces)))
4784 (throw 'only-boring nil)))
4785 (throw 'only-boring t)))))
4787 (defun gnus-article-refer-article ()
4788 "Read article specified by message-id around point."
4791 (re-search-backward "<?news:\\|<" (gnus-point-at-bol) t)
4792 (cond ((re-search-forward
4793 gnus-button-mid-or-mail-regexp (gnus-point-at-eol) t)
4794 (let ((msg-id (concat "<" (match-string 0) ">")))
4795 (set-buffer gnus-summary-buffer)
4796 (gnus-summary-refer-article msg-id)))
4798 (error "No references around point")))))
4800 (defun gnus-article-show-summary ()
4801 "Reconfigure windows to show summary buffer."
4803 (if (not (gnus-buffer-live-p gnus-summary-buffer))
4804 (error "There is no summary buffer for this article buffer")
4805 (gnus-article-set-globals)
4806 (gnus-configure-windows 'article)
4807 (gnus-summary-goto-subject gnus-current-article)
4808 (gnus-summary-position-point)))
4810 (defun gnus-article-describe-briefly ()
4811 "Describe article mode commands briefly."
4813 (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")))
4815 (defun gnus-article-summary-command ()
4816 "Execute the last keystroke in the summary buffer."
4818 (let ((obuf (current-buffer))
4819 (owin (current-window-configuration))
4821 (switch-to-buffer gnus-article-current-summary 'norecord)
4822 (setq func (lookup-key (current-local-map) (this-command-keys)))
4823 (call-interactively func)
4825 (set-window-configuration owin)
4826 (set-window-point (get-buffer-window (current-buffer)) (point))))
4828 (defun gnus-article-summary-command-nosave ()
4829 "Execute the last keystroke in the summary buffer."
4832 (pop-to-buffer gnus-article-current-summary 'norecord)
4833 (setq func (lookup-key (current-local-map) (this-command-keys)))
4834 (call-interactively func)))
4836 (defun gnus-article-check-buffer ()
4837 "Beep if not in an article buffer."
4838 (unless (equal major-mode 'gnus-article-mode)
4839 (error "Command invoked outside of a Gnus article buffer")))
4841 (defun gnus-article-read-summary-keys (&optional arg key not-restore-window)
4842 "Read a summary buffer key sequence and execute it from the article buffer."
4844 (gnus-article-check-buffer)
4846 '("q" "Q" "c" "r" "\C-c\C-f" "m" "a" "f"
4847 "Zc" "ZC" "ZE" "ZQ" "ZZ" "Zn" "ZR" "ZG" "ZN" "ZP"
4848 "=" "^" "\M-^" "|"))
4854 '("n" "Gn" "p" "Gp"))
4857 (set-buffer gnus-article-current-summary)
4858 (let (gnus-pick-mode)
4859 (push (or key last-command-event) unread-command-events)
4860 (setq keys (if (featurep 'xemacs)
4861 (events-to-keys (read-key-sequence nil))
4862 (read-key-sequence nil)))))
4866 (if (or (member keys nosaves)
4867 (member keys nosave-but-article)
4868 (member keys nosave-in-article))
4870 (save-window-excursion
4871 (pop-to-buffer gnus-article-current-summary 'norecord)
4872 ;; We disable the pick minor mode commands.
4873 (let (gnus-pick-mode)
4874 (setq func (lookup-key (current-local-map) keys))))
4878 (unless (member keys nosave-in-article)
4879 (set-buffer gnus-article-current-summary))
4880 (call-interactively func)
4881 (setq new-sum-point (point)))
4882 (when (member keys nosave-but-article)
4883 (pop-to-buffer gnus-article-buffer 'norecord)))
4884 ;; These commands should restore window configuration.
4885 (let ((obuf (current-buffer))
4886 (owin (current-window-configuration))
4888 (summary gnus-article-current-summary)
4889 func in-buffer selected)
4890 (if not-restore-window
4891 (pop-to-buffer summary 'norecord)
4892 (switch-to-buffer summary 'norecord))
4893 (setq in-buffer (current-buffer))
4894 ;; We disable the pick minor mode commands.
4895 (if (and (setq func (let (gnus-pick-mode)
4896 (lookup-key (current-local-map) keys)))
4899 (call-interactively func)
4900 (setq new-sum-point (point))
4901 (when (eq in-buffer (current-buffer))
4902 (setq selected (gnus-summary-select-article))
4904 (unless not-restore-window
4905 (set-window-configuration owin))
4906 (when (eq selected 'old)
4908 (set-window-start (get-buffer-window (current-buffer))
4910 (set-window-point (get-buffer-window (current-buffer))
4912 (let ((win (get-buffer-window gnus-article-current-summary)))
4914 (set-window-point win new-sum-point)))) )
4915 (switch-to-buffer gnus-article-buffer)
4918 (defun gnus-article-describe-key (key)
4919 "Display documentation of the function invoked by KEY. KEY is a string."
4920 (interactive "kDescribe key: ")
4921 (gnus-article-check-buffer)
4922 (if (eq (key-binding key) 'gnus-article-read-summary-keys)
4924 (set-buffer gnus-article-current-summary)
4925 (let (gnus-pick-mode)
4926 (if (featurep 'xemacs)
4928 (push (elt key 0) unread-command-events)
4929 (setq key (events-to-keys
4930 (read-key-sequence "Describe key: "))))
4931 (setq unread-command-events
4933 (lambda (x) (if (>= x 128) (list 'meta (- x 128)) x))
4934 (string-to-list key)))
4935 (setq key (read-key-sequence "Describe key: "))))
4937 (describe-key key)))
4939 (defun gnus-article-describe-key-briefly (key &optional insert)
4940 "Display documentation of the function invoked by KEY. KEY is a string."
4941 (interactive "kDescribe key: \nP")
4942 (gnus-article-check-buffer)
4943 (if (eq (key-binding key) 'gnus-article-read-summary-keys)
4945 (set-buffer gnus-article-current-summary)
4946 (let (gnus-pick-mode)
4947 (if (featurep 'xemacs)
4949 (push (elt key 0) unread-command-events)
4950 (setq key (events-to-keys
4951 (read-key-sequence "Describe key: "))))
4952 (setq unread-command-events
4954 (lambda (x) (if (>= x 128) (list 'meta (- x 128)) x))
4955 (string-to-list key)))
4956 (setq key (read-key-sequence "Describe key: "))))
4957 (describe-key-briefly key insert))
4958 (describe-key-briefly key insert)))
4960 (defun gnus-article-reply-with-original (&optional wide)
4961 "Start composing a reply mail to the current message.
4962 The text in the region will be yanked. If the region isn't active,
4963 the entire article will be yanked."
4965 (let ((article (cdr gnus-article-current))
4967 (if (not (gnus-mark-active-p))
4968 (with-current-buffer gnus-summary-buffer
4969 (gnus-summary-reply (list (list article)) wide))
4970 (setq contents (buffer-substring (point) (mark t)))
4971 ;; Deactivate active regions.
4972 (when (and (boundp 'transient-mark-mode)
4973 transient-mark-mode)
4974 (setq mark-active nil))
4975 (with-current-buffer gnus-summary-buffer
4977 (list (list article contents)) wide)))))
4979 (defun gnus-article-followup-with-original ()
4980 "Compose a followup to the current article.
4981 The text in the region will be yanked. If the region isn't active,
4982 the entire article will be yanked."
4984 (let ((article (cdr gnus-article-current))
4986 (if (not (gnus-mark-active-p))
4987 (with-current-buffer gnus-summary-buffer
4988 (gnus-summary-followup (list (list article))))
4989 (setq contents (buffer-substring (point) (mark t)))
4990 ;; Deactivate active regions.
4991 (when (and (boundp 'transient-mark-mode)
4992 transient-mark-mode)
4993 (setq mark-active nil))
4994 (with-current-buffer gnus-summary-buffer
4995 (gnus-summary-followup
4996 (list (list article contents)))))))
4998 (defun gnus-article-hide (&optional arg force)
4999 "Hide all the gruft in the current article.
5000 This means that signatures, cited text and (some) headers will be
5002 If given a prefix, show the hidden text instead."
5003 (interactive (append (gnus-article-hidden-arg) (list 'force)))
5004 (gnus-article-hide-headers arg)
5005 (gnus-article-hide-list-identifiers arg)
5006 (gnus-article-hide-citation-maybe arg force)
5007 (gnus-article-hide-signature arg))
5009 (defun gnus-article-maybe-highlight ()
5010 "Do some article highlighting if article highlighting is requested."
5011 (when (gnus-visual-p 'article-highlight 'highlight)
5012 (gnus-article-highlight-some)))
5014 (defun gnus-check-group-server ()
5015 ;; Make sure the connection to the server is alive.
5016 (unless (gnus-server-opened
5017 (gnus-find-method-for-group gnus-newsgroup-name))
5018 (gnus-check-server (gnus-find-method-for-group gnus-newsgroup-name))
5019 (gnus-request-group gnus-newsgroup-name t)))
5022 (autoload 'nneething-get-file-name "nneething"))
5024 (defun gnus-request-article-this-buffer (article group)
5025 "Get an article and insert it into this buffer."
5026 (let (do-update-line sparse-header)
5030 (gnus-kill-all-overlays)
5031 (setq group (or group gnus-newsgroup-name))
5033 ;; Using `gnus-request-article' directly will insert the article into
5034 ;; `nntp-server-buffer' - so we'll save some time by not having to
5035 ;; copy it from the server buffer into the article buffer.
5037 ;; We only request an article by message-id when we do not have the
5038 ;; headers for it, so we'll have to get those.
5039 (when (stringp article)
5040 (gnus-read-header article))
5042 ;; If the article number is negative, that means that this article
5043 ;; doesn't belong in this newsgroup (possibly), so we find its
5044 ;; message-id and request it by id instead of number.
5045 (when (and (numberp article)
5047 (get-buffer gnus-summary-buffer)
5048 (gnus-buffer-exists-p gnus-summary-buffer))
5050 (set-buffer gnus-summary-buffer)
5051 (let ((header (gnus-summary-article-header article)))
5054 ((memq article gnus-newsgroup-sparse)
5055 ;; This is a sparse gap article.
5056 (setq do-update-line article)
5057 (setq article (mail-header-id header))
5058 (setq sparse-header (gnus-read-header article))
5059 (setq gnus-newsgroup-sparse
5060 (delq article gnus-newsgroup-sparse)))
5062 ;; It's a real article.
5063 (setq article (mail-header-id header)))
5065 ;; It is an extracted pseudo-article.
5066 (setq article 'pseudo)
5067 (gnus-request-pseudo-article header))))
5069 (let ((method (gnus-find-method-for-group
5070 gnus-newsgroup-name)))
5071 (when (and (eq (car method) 'nneething)
5073 (let ((dir (nneething-get-file-name
5074 (mail-header-id header))))
5075 (when (and (stringp dir)
5076 (file-directory-p dir))
5077 (setq article 'nneething)
5078 (gnus-group-enter-directory dir))))))))
5081 ;; Refuse to select canceled articles.
5082 ((and (numberp article)
5084 (get-buffer gnus-summary-buffer)
5085 (gnus-buffer-exists-p gnus-summary-buffer)
5086 (eq (cdr (save-excursion
5087 (set-buffer gnus-summary-buffer)
5088 (assq article gnus-newsgroup-reads)))
5089 gnus-canceled-mark))
5091 ;; We first check `gnus-original-article-buffer'.
5092 ((and (get-buffer gnus-original-article-buffer)
5095 (set-buffer gnus-original-article-buffer)
5096 (and (equal (car gnus-original-article) group)
5097 (eq (cdr gnus-original-article) article))))
5098 (insert-buffer-substring gnus-original-article-buffer)
5100 ;; Check the backlog.
5101 ((and gnus-keep-backlog
5102 (gnus-backlog-request-article group article (current-buffer)))
5104 ;; Check asynchronous pre-fetch.
5105 ((gnus-async-request-fetched-article group article (current-buffer))
5106 (gnus-async-prefetch-next group article gnus-summary-buffer)
5107 (when (and (numberp article) gnus-keep-backlog)
5108 (gnus-backlog-enter-article group article (current-buffer)))
5111 ((and gnus-use-cache
5113 (gnus-cache-request-article article group))
5115 ;; Check the agent cache.
5116 ((and gnus-agent gnus-agent-cache gnus-plugged
5118 (gnus-agent-request-article article group))
5120 ;; Get the article and put into the article buffer.
5121 ((or (stringp article)
5123 (let ((gnus-override-method gnus-override-method)
5124 (methods (and (stringp article)
5125 gnus-refer-article-method))
5126 (backend (car (gnus-find-method-for-group
5127 gnus-newsgroup-name)))
5129 (buffer-read-only nil))
5130 (if (or (not (listp methods))
5131 (and (symbolp (car methods))
5132 (assq (car methods) nnoo-definition-alist)))
5133 (setq methods (list methods)))
5134 (when (and (null gnus-override-method)
5136 (setq gnus-override-method (pop methods)))
5138 (when (eq gnus-override-method 'current)
5139 (setq gnus-override-method
5140 (with-current-buffer gnus-summary-buffer
5141 gnus-current-select-method)))
5143 (gnus-kill-all-overlays)
5144 (let ((gnus-newsgroup-name group))
5145 (gnus-check-group-server))
5147 ((gnus-request-article article group (current-buffer))
5148 (when (numberp article)
5149 (gnus-async-prefetch-next group article
5150 gnus-summary-buffer)
5151 (when gnus-keep-backlog
5152 (gnus-backlog-enter-article
5153 group article (current-buffer))))
5154 (setq result 'article))
5156 (setq gnus-override-method (pop methods)))
5157 ((not (string-match "^400 "
5158 (nnheader-get-report backend)))
5159 ;; If we get 400 server disconnect, reconnect and
5160 ;; retry; otherwise, assume the article has expired.
5161 (setq result 'done))))
5162 (and (eq result 'article) 'article)))
5166 ;; Associate this article with the current summary buffer.
5167 (setq gnus-article-current-summary gnus-summary-buffer)
5169 ;; Take the article from the original article buffer
5170 ;; and place it in the buffer it's supposed to be in.
5171 (when (and (get-buffer gnus-article-buffer)
5172 (equal (buffer-name (current-buffer))
5173 (buffer-name (get-buffer gnus-article-buffer))))
5175 (if (get-buffer gnus-original-article-buffer)
5176 (set-buffer gnus-original-article-buffer)
5177 (set-buffer (gnus-get-buffer-create gnus-original-article-buffer))
5178 (buffer-disable-undo)
5179 (setq major-mode 'gnus-original-article-mode)
5180 (setq buffer-read-only t))
5181 (let (buffer-read-only)
5183 (insert-buffer-substring gnus-article-buffer))
5184 (setq gnus-original-article (cons group article)))
5187 (run-hooks 'gnus-article-decode-hook)
5188 ;; Mark article as decoded or not.
5189 (setq gnus-article-decoded-p gnus-article-decode-hook))
5191 ;; Update sparse articles.
5192 (when (and do-update-line
5193 (or (numberp article)
5195 (let ((buf (current-buffer)))
5196 (set-buffer gnus-summary-buffer)
5197 (gnus-summary-update-article do-update-line sparse-header)
5198 (gnus-summary-goto-subject do-update-line nil t)
5199 (set-window-point (gnus-get-buffer-window (current-buffer) t)
5201 (set-buffer buf))))))
5207 (defcustom gnus-article-edit-mode-hook nil
5208 "Hook run in article edit mode buffers."
5209 :group 'gnus-article-various
5212 (defvar gnus-article-edit-done-function nil)
5214 (defvar gnus-article-edit-mode-map nil)
5215 (defvar gnus-article-edit-mode nil)
5217 ;; Should we be using derived.el for this?
5218 (unless gnus-article-edit-mode-map
5219 (setq gnus-article-edit-mode-map (make-keymap))
5220 (set-keymap-parent gnus-article-edit-mode-map text-mode-map)
5222 (gnus-define-keys gnus-article-edit-mode-map
5223 "\C-c?" describe-mode
5224 "\C-c\C-c" gnus-article-edit-done
5225 "\C-c\C-k" gnus-article-edit-exit
5226 "\C-c\C-f\C-t" message-goto-to
5227 "\C-c\C-f\C-o" message-goto-from
5228 "\C-c\C-f\C-b" message-goto-bcc
5229 ;;"\C-c\C-f\C-w" message-goto-fcc
5230 "\C-c\C-f\C-c" message-goto-cc
5231 "\C-c\C-f\C-s" message-goto-subject
5232 "\C-c\C-f\C-r" message-goto-reply-to
5233 "\C-c\C-f\C-n" message-goto-newsgroups
5234 "\C-c\C-f\C-d" message-goto-distribution
5235 "\C-c\C-f\C-f" message-goto-followup-to
5236 "\C-c\C-f\C-m" message-goto-mail-followup-to
5237 "\C-c\C-f\C-k" message-goto-keywords
5238 "\C-c\C-f\C-u" message-goto-summary
5239 "\C-c\C-f\C-i" message-insert-or-toggle-importance
5240 "\C-c\C-f\C-a" message-generate-unsubscribed-mail-followup-to
5241 "\C-c\C-b" message-goto-body
5242 "\C-c\C-i" message-goto-signature
5244 "\C-c\C-t" message-insert-to
5245 "\C-c\C-n" message-insert-newsgroups
5246 "\C-c\C-o" message-sort-headers
5247 "\C-c\C-e" message-elide-region
5248 "\C-c\C-v" message-delete-not-region
5249 "\C-c\C-z" message-kill-to-signature
5250 "\M-\r" message-newline-and-reformat
5251 "\C-c\C-a" mml-attach-file
5252 "\C-a" message-beginning-of-line
5254 "\M-;" comment-region)
5256 (gnus-define-keys (gnus-article-edit-wash-map
5257 "\C-c\C-w" gnus-article-edit-mode-map)
5258 "f" gnus-article-edit-full-stops))
5261 gnus-article-edit-mode-field-menu gnus-article-edit-mode-map ""
5263 ["Fetch To" message-insert-to t]
5264 ["Fetch Newsgroups" message-insert-newsgroups t]
5266 ["To" message-goto-to t]
5267 ["From" message-goto-from t]
5268 ["Subject" message-goto-subject t]
5269 ["Cc" message-goto-cc t]
5270 ["Reply-To" message-goto-reply-to t]
5271 ["Summary" message-goto-summary t]
5272 ["Keywords" message-goto-keywords t]
5273 ["Newsgroups" message-goto-newsgroups t]
5274 ["Followup-To" message-goto-followup-to t]
5275 ["Mail-Followup-To" message-goto-mail-followup-to t]
5276 ["Distribution" message-goto-distribution t]
5277 ["Body" message-goto-body t]
5278 ["Signature" message-goto-signature t]))
5280 (define-derived-mode gnus-article-edit-mode text-mode "Article Edit"
5281 "Major mode for editing articles.
5282 This is an extended text-mode.
5284 \\{gnus-article-edit-mode-map}"
5285 (make-local-variable 'gnus-article-edit-done-function)
5286 (make-local-variable 'gnus-prev-winconf)
5287 (set (make-local-variable 'font-lock-defaults)
5288 '(message-font-lock-keywords t))
5289 (set (make-local-variable 'mail-header-separator) "")
5290 (set (make-local-variable 'gnus-article-edit-mode) t)
5291 (easy-menu-add message-mode-field-menu message-mode-map)
5293 (setq buffer-read-only nil)
5294 (buffer-enable-undo)
5297 (defun gnus-article-edit (&optional force)
5298 "Edit the current article.
5299 This will have permanent effect only in mail groups.
5300 If FORCE is non-nil, allow editing of articles even in read-only
5303 (when (and (not force)
5304 (gnus-group-read-only-p))
5305 (error "The current newsgroup does not support article editing"))
5306 (gnus-article-date-original)
5307 (gnus-article-edit-article
5309 `(lambda (no-highlight)
5311 (gnus-summary-edit-article-done
5312 ,(or (mail-header-references gnus-current-headers) "")
5313 ,(gnus-group-read-only-p) ,gnus-summary-buffer no-highlight))))
5315 (defun gnus-article-edit-article (start-func exit-func)
5316 "Start editing the contents of the current article buffer."
5317 (let ((winconf (current-window-configuration)))
5318 (set-buffer gnus-article-buffer)
5319 (gnus-article-edit-mode)
5320 (funcall start-func)
5321 (set-buffer-modified-p nil)
5322 (gnus-configure-windows 'edit-article)
5323 (setq gnus-article-edit-done-function exit-func)
5324 (setq gnus-prev-winconf winconf)
5325 (gnus-message 6 "C-c C-c to end edits")))
5327 (defun gnus-article-edit-done (&optional arg)
5328 "Update the article edits and exit."
5330 (let ((func gnus-article-edit-done-function)
5331 (buf (current-buffer))
5332 (start (window-start))
5334 (winconf gnus-prev-winconf))
5335 (widen) ;; Widen it in case that users narrowed the buffer.
5338 ;; The cache and backlog have to be flushed somewhat.
5339 (when gnus-keep-backlog
5340 (gnus-backlog-remove-article
5341 (car gnus-article-current) (cdr gnus-article-current)))
5342 ;; Flush original article as well.
5344 (when (get-buffer gnus-original-article-buffer)
5345 (set-buffer gnus-original-article-buffer)
5346 (setq gnus-original-article nil)))
5347 (when gnus-use-cache
5348 (gnus-cache-update-article
5349 (car gnus-article-current) (cdr gnus-article-current)))
5350 ;; We remove all text props from the article buffer.
5351 (kill-all-local-variables)
5352 (gnus-set-text-properties (point-min) (point-max) nil)
5354 (set-window-configuration winconf)
5356 (set-window-start (get-buffer-window buf) start)
5357 (set-window-point (get-buffer-window buf) (point))))
5359 (defun gnus-article-edit-exit ()
5360 "Exit the article editing without updating."
5362 (when (or (not (buffer-modified-p))
5363 (yes-or-no-p "Article modified; kill anyway? "))
5364 (let ((curbuf (current-buffer))
5366 (window-start (window-start)))
5368 (if (gnus-buffer-live-p gnus-original-article-buffer)
5369 (insert-buffer gnus-original-article-buffer))
5370 (let ((winconf gnus-prev-winconf))
5371 (kill-all-local-variables)
5373 (set-window-configuration winconf)
5374 ;; Tippy-toe some to make sure that point remains where it was.
5375 (save-current-buffer
5377 (set-window-start (get-buffer-window (current-buffer)) window-start)
5380 (defun gnus-article-edit-full-stops ()
5381 "Interactively repair spacing at end of sentences."
5384 (goto-char (point-min))
5385 (search-forward-regexp "^$" nil t)
5386 (let ((case-fold-search nil))
5387 (query-replace-regexp "\\([.!?][])}]* \\)\\([[({A-Z]\\)" "\\1 \\2"))))
5390 ;;; Article highlights
5393 ;; Written by Per Abrahamsen <abraham@iesd.auc.dk>.
5395 ;;; Internal Variables:
5397 (defcustom gnus-button-url-regexp
5398 (if (string-match "[[:digit:]]" "1") ;; support POSIX?
5399 "\\b\\(\\(www\\.\\|\\(s?https?\\|ftp\\|file\\|gopher\\|news\\|telnet\\|wais\\|mailto\\|info\\):\\)\\(//[-a-z0-9_.]+:[0-9]*\\)?[-a-z0-9_=!?#$@~%&*+\\/:;.,[:word:]]+[-a-z0-9_=#$@~%&*+\\/[:word:]]\\)"
5400 "\\b\\(\\(www\\.\\|\\(s?https?\\|ftp\\|file\\|gopher\\|news\\|telnet\\|wais\\|mailto\\|info\\):\\)\\(//[-a-z0-9_.]+:[0-9]*\\)?\\([-a-z0-9_=!?#$@~%&*+\\/:;.,]\\|\\w\\)+\\([-a-z0-9_=#$@~%&*+\\/]\\|\\w\\)\\)")
5401 "Regular expression that matches URLs."
5402 :group 'gnus-article-buttons
5405 (defcustom gnus-button-valid-fqdn-regexp
5406 (concat "[a-z0-9][-.a-z0-9]+\\." ;; [hostname.subdomain.]domain.
5408 "\\([a-z][a-z]" ;; two letter country TDLs
5409 "\\|biz\\|com\\|edu\\|gov\\|int\\|mil\\|net\\|org"
5410 "\\|aero\\|coop\\|info\\|name\\|museum"
5411 "\\|arpa\\|pro\\|uucp\\|bitnet\\|bofh" ;; old style?
5413 "Regular expression that matches a valid FQDN."
5414 :group 'gnus-article-buttons
5417 (defcustom gnus-button-man-handler 'manual-entry
5418 "Function to use for displaying man pages.
5419 The function must take at least one argument with a string naming the
5421 :type '(choice (function-item :tag "Man" manual-entry)
5422 (function-item :tag "Woman" woman)
5423 (function :tag "Other"))
5424 :group 'gnus-article-buttons)
5426 (defcustom gnus-ctan-url "http://tug.ctan.org/tex-archive/"
5427 "Top directory of a CTAN \(Comprehensive TeX Archive Network\) archive.
5428 If the default site is too slow, try to find a CTAN mirror, see
5429 <URL:http://tug.ctan.org/tex-archive/CTAN.sites?action=/index.html>. See also
5430 the variable `gnus-button-handle-ctan'."
5431 :group 'gnus-article-buttons
5432 :link '(custom-manual "(gnus)Group Parameters")
5433 :type '(choice (const "http://www.tex.ac.uk/tex-archive/")
5434 (const "http://tug.ctan.org/tex-archive/")
5435 (const "http://www.dante.de/CTAN/")
5436 (string :tag "Other")))
5438 (defcustom gnus-button-ctan-handler 'browse-url
5439 "Function to use for displaying CTAN links.
5440 The function must take one argument, the string naming the URL."
5441 :type '(choice (function-item :tag "Browse Url" browse-url)
5442 (function :tag "Other"))
5443 :group 'gnus-article-buttons)
5445 (defcustom gnus-button-handle-ctan-bogus-regexp "^/?tex-archive/\\|^/"
5446 "Bogus strings removed from CTAN URLs."
5447 :group 'gnus-article-buttons
5448 :type '(choice (const "^/?tex-archive/\\|/")
5449 (regexp :tag "Other")))
5451 (defcustom gnus-button-mid-or-mail-regexp
5452 (concat "\\b\\(<?[a-z0-9][^<>\")!;:,{}\n\t ]*@"
5453 gnus-button-valid-fqdn-regexp
5455 "Regular expression that matches a message ID or a mail address."
5456 :group 'gnus-article-buttons
5459 (defcustom gnus-button-prefer-mid-or-mail 'gnus-button-mid-or-mail-heuristic
5460 "What to do when the button on a string as \"foo123@bar.invalid\" is pushed.
5461 Strings like this can be either a message ID or a mail address. If it is one
5462 of the symbols `mid' or `mail', Gnus will always assume that the string is a
5463 message ID or a mail address, respectivly. If this variable is set to the
5464 symbol `ask', always query the user what do do. If it is a function, this
5465 function will be called with the string as it's only argument. The function
5466 must return `mid', `mail', `invalid' or `ask'."
5467 :group 'gnus-article-buttons
5468 :type '(choice (function-item :tag "Heuristic function"
5469 gnus-button-mid-or-mail-heuristic)
5474 (defcustom gnus-button-mid-or-mail-heuristic-alist
5475 '((-10.0 . ".+\\$.+@")
5478 (-5.0 . "\\+[^+]*\\+.*@") ;; # two plus signs
5479 (-5.0 . "@[Nn][Ee][Ww][Ss]") ;; /\@news/i
5480 (-5.0 . "@.*[Dd][Ii][Aa][Ll][Uu][Pp]") ;; /\@.*dialup/i;
5481 (-1.0 . "^[^a-z]+@")
5483 (-5.0 . "\\.[0-9][0-9]+.*@") ;; "\.[0-9]{2,}.*\@"
5484 (-5.0 . "[a-z].*[A-Z].*[a-z].*[A-Z].*@") ;; "([a-z].*[A-Z].*){2,}\@"
5485 (-3.0 . "[A-Z][A-Z][a-z][a-z].*@")
5486 (-5.0 . "\\...?.?@") ;; (-5.0 . "\..{1,3}\@")
5489 (-1.0 . "^[0-9][0-9]")
5491 ;; -3.0 /^[0-9][0-9a-fA-F]{2,2}/;
5492 (-3.0 . "^[0-9][0-9a-fA-F][0-9a-fA-F][^0-9a-fA-F]")
5493 ;; -5.0 /^[0-9][0-9a-fA-F]{3,3}/;
5494 (-5.0 . "^[0-9][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][^0-9a-fA-F]")
5496 (-3.0 . "[0-9][0-9][0-9][0-9][0-9][^0-9].*@") ;; "[0-9]{5,}.*\@"
5497 (-3.0 . "[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][^0-9].*@")
5500 . "[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9].*@")
5503 (-20.0 . "\\.fsf@") ;; Gnus
5506 (-20.0 . "_-_") ;; Subject change in thread
5508 (-20.0 . "\\.ln@") ;; leafnode
5509 (-30.0 . "@ID-[0-9]+\\.[a-zA-Z]+\\.dfncis\\.de")
5510 (-30.0 . "@4[Aa][Xx]\\.com") ;; Forte Agent
5512 ;; (5.0 . "") ;; $local_part_len <= 7
5513 (10.0 . "^[^0-9]+@")
5514 (3.0 . "^[^0-9]+[0-9][0-9]?[0-9]?@")
5515 ;; ^[^0-9]+[0-9]{1,3}\@ digits only at end of local part
5518 (2.0 . "[a-z][a-z][._-][A-Z][a-z].*@")
5520 (0.5 . "^[A-Z][a-z]")
5521 (0.5 . "^[A-Z][a-z][a-z]")
5522 (1.5 . "^[A-Z][a-z][A-Z][a-z][^a-z]") ;; ^[A-Z][a-z]{3,3}
5523 (2.0 . "^[A-Z][a-z][A-Z][a-z][a-z][^a-z]")) ;; ^[A-Z][a-z]{4,4}
5524 "An alist of \(RATE . REGEXP\) pairs for `gnus-button-mid-or-mail-heuristic'.
5526 A negative RATE indicates a message IDs, whereas a positive indicates a mail
5527 address. The REGEXP is processed with `case-fold-search' set to `nil'."
5528 :group 'gnus-article-buttons
5529 :type '(repeat (cons (number :tag "Rate")
5530 (regexp :tag "Regexp"))))
5532 (defun gnus-button-mid-or-mail-heuristic (mid-or-mail)
5533 "Guess whether MID-OR-MAIL is a message ID or a mail address.
5534 Returns `mid' if MID-OR-MAIL is a message IDs, `mail' if it's a mail
5535 address, `ask' if unsure and `invalid' if the string is invalid."
5536 (let ((case-fold-search nil)
5537 (list gnus-button-mid-or-mail-heuristic-alist)
5538 (result 0) rate regexp lpartlen elem)
5540 (length (gnus-replace-in-string mid-or-mail "^\\(.*\\)@.*$" "\\1")))
5541 (gnus-message 8 "`%s', length of local part=`%s'." mid-or-mail lpartlen)
5542 ;; Certain special cases...
5545 "^0[0-9]+-[0-9][0-9][0-9][0-9]@t-online\\.de$" "\\|"
5546 "^[0-9]+\.[0-9]+\@compuserve")
5548 (gnus-message 8 "`%s' is a known mail address.")
5549 (setq result 'mail))
5550 (when (string-match "@.*@\\| " mid-or-mail)
5551 (gnus-message 8 "`%s' is invalid.")
5552 (setq result 'invalid))
5553 ;; Nothing more to do, if result is not a number here...
5554 (when (numberp result)
5556 (setq elem (car list)
5560 (when (string-match regexp mid-or-mail)
5561 (setq result (+ result rate))
5563 9 "`%s' matched `%s', rate `%s', result `%s'."
5564 mid-or-mail regexp rate result)))
5565 (when (<= lpartlen 7)
5566 (setq result (+ result 5.0))
5567 (gnus-message 9 "`%s' matched (<= lpartlen 7), result `%s'."
5568 mid-or-mail result))
5569 (when (>= lpartlen 12)
5570 (gnus-message 9 "`%s' matched (>= lpartlen 12)" mid-or-mail)
5572 ((string-match "[0-9][^0-9]+[0-9].*@" mid-or-mail)
5573 ;; Long local part should contain realname if e-mail address,
5574 ;; too many digits: message-id.
5575 ;; $score -= 5.0 + 0.1 * $local_part_len;
5576 (setq rate (* -1.0 (+ 5.0 (* 0.1 lpartlen))))
5577 (setq result (+ result rate))
5579 9 "Many digits in `%s', rate `%s', result `%s'."
5580 mid-or-mail rate result))
5581 ((string-match "[^aeiouy][^aeiouy][^aeiouy][^aeiouy]+.*\@"
5583 ;; Too few vowels [^aeiouy]{4,}.*\@
5584 (setq result (+ result -5.0))
5586 9 "Few vowels in `%s', rate `%s', result `%s'."
5587 mid-or-mail -5.0 result))
5589 (setq result (+ result 5.0))
5591 9 "`%s', rate `%s', result `%s'." mid-or-mail 5.0 result)))))
5592 (gnus-message 8 "`%s': Final rate is `%s'." mid-or-mail result)
5594 ;; Maybe we should make this a customizable alist: (condition . 'result)
5595 ((< result -10.0) 'mid)
5596 ((> result 10.0) 'mail)
5599 (defun gnus-button-handle-mid-or-mail (mid-or-mail)
5600 (let* ((pref gnus-button-prefer-mid-or-mail) guessed
5601 (url-mid (concat "news" ":" mid-or-mail))
5602 (url-mailto (concat "mailto" ":" mid-or-mail)))
5603 (gnus-message 9 "mid-or-mail=%s" mid-or-mail)
5604 (when (fboundp pref)
5606 ;; get rid of surrounding angles...
5608 (gnus-replace-in-string mid-or-mail "^<\\|>$" "")))
5609 (if (or (eq 'mid guessed) (eq 'mail guessed))
5613 (save-window-excursion
5614 (if (y-or-n-p (concat "Is <" mid-or-mail "> a mail address? "))
5617 (cond ((eq pref 'mid)
5618 (gnus-message 8 "calling `gnus-button-handle-news' %s" url-mid)
5619 (gnus-button-handle-news url-mid))
5621 (gnus-message 8 "calling `gnus-url-mailto' %s" url-mailto)
5622 (gnus-url-mailto url-mailto))
5623 (t (gnus-message 3 "Invalid string.")))))
5625 (defun gnus-button-handle-custom (url)
5626 "Follow a Custom URL."
5627 (customize-apropos (gnus-url-unhex-string url)))
5629 (defvar gnus-button-handle-describe-prefix "^\\(C-h\\|<?[Ff]1>?\\)")
5631 (defun gnus-button-handle-describe-function (url)
5632 "Call `describe-function' when pushing the corresponding URL button."
5635 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))))
5637 (defun gnus-button-handle-describe-variable (url)
5638 "Call `describe-variable' when pushing the corresponding URL button."
5641 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))))
5643 (defun gnus-button-handle-describe-key (url)
5644 "Call `describe-key' when pushing the corresponding URL button."
5646 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))
5647 (keys (ignore-errors (eval `(kbd ,key-string)))))
5650 (gnus-message 3 "Invalid key sequence in button: %s" key-string))))
5652 (defun gnus-button-handle-apropos (url)
5653 "Call `apropos' when pushing the corresponding URL button."
5654 (apropos (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
5656 (defun gnus-button-handle-apropos-command (url)
5657 "Call `apropos' when pushing the corresponding URL button."
5659 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
5661 (defun gnus-button-handle-apropos-variable (url)
5662 "Call `apropos' when pushing the corresponding URL button."
5664 (if (fboundp 'apropos-variable) 'apropos-variable 'apropos)
5665 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
5667 (defun gnus-button-handle-apropos-documentation (url)
5668 "Call `apropos' when pushing the corresponding URL button."
5670 (if (fboundp 'apropos-documentation) 'apropos-documentation 'apropos)
5671 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
5673 (defun gnus-button-handle-ctan (url)
5674 "Call `browse-url' when pushing a CTAN URL button."
5676 gnus-button-ctan-handler
5679 (gnus-replace-in-string url gnus-button-handle-ctan-bogus-regexp ""))))
5681 (defcustom gnus-button-tex-level 5
5682 "*Integer that says how many TeX-related buttons Gnus will show.
5683 The higher the number, the more buttons will appear and the more false
5684 positives are possible. Note that you can set this variable local to
5685 specifific groups. Setting it higher in TeX groups is probably a good idea.
5686 See Info node `(gnus)Group Parameters' and the variable `gnus-parameters' on
5687 how to set variables in specific groups."
5688 :group 'gnus-article-buttons
5689 :link '(custom-manual "(gnus)Group Parameters")
5692 (defcustom gnus-button-man-level 5
5693 "*Integer that says how many man-related buttons Gnus will show.
5694 The higher the number, the more buttons will appear and the more false
5695 positives are possible. Note that you can set this variable local to
5696 specifific groups. Setting it higher in Unix groups is probably a good idea.
5697 See Info node `(gnus)Group Parameters' and the variable `gnus-parameters' on
5698 how to set variables in specific groups."
5699 :group 'gnus-article-buttons
5700 :link '(custom-manual "(gnus)Group Parameters")
5703 (defcustom gnus-button-emacs-level 5
5704 "*Integer that says how many emacs-related buttons Gnus will show.
5705 The higher the number, the more buttons will appear and the more false
5706 positives are possible. Note that you can set this variable local to
5707 specifific groups. Setting it higher in Emacs or Gnus related groups is
5708 probably a good idea. See Info node `(gnus)Group Parameters' and the variable
5709 `gnus-parameters' on how to set variables in specific groups."
5710 :group 'gnus-article-buttons
5711 :link '(custom-manual "(gnus)Group Parameters")
5714 (defcustom gnus-button-mail-level 5
5715 "*Integer that says how many buttons for message IDs or mail addresses will appear.
5716 The higher the number, the more buttons will appear and the more false
5717 positives are possible."
5718 :group 'gnus-article-buttons
5721 (defcustom gnus-button-alist
5722 '(("<\\(url:[>\n\t ]*?\\)?\\(nntp\\|news\\):[>\n\t ]*\\([^>\n\t ]*@[^>\n\t ]*\\)>"
5723 0 t gnus-button-handle-news 3)
5724 ("\\b\\(nntp\\|news\\):\\([^>\n\t ]*@[^>)!;:,\n\t ]*\\)" 0 t
5725 gnus-button-handle-news 2)
5726 ("\\(\\b<\\(url:[>\n\t ]*\\)?news:[>\n\t ]*\\(//\\)?\\([^>\n\t ]*\\)>\\)"
5728 gnus-button-fetch-group 4)
5729 ("\\bnews:\\(//\\)?\\([^'\">\n\t ]+\\)" 0 t gnus-button-fetch-group 2)
5730 ("\\bin\\( +article\\| +message\\)? +\\(<\\([^\n @<>]+@[^\n @<>]+\\)>\\)" 2
5731 t gnus-button-message-id 3)
5732 ("\\(<URL: *\\)mailto: *\\([^> \n\t]+\\)>" 0 t gnus-url-mailto 2)
5733 ("mailto:\\([-a-z.@_+0-9%=?]+\\)" 0 t gnus-url-mailto 1)
5734 ("\\bmailto:\\([^ \n\t]+\\)" 0 t gnus-url-mailto 1)
5736 ("\\bCTAN:[ \t\n]*\\([^>)!;:,\n\t ]*\\)" 0 (>= gnus-button-tex-level 1)
5737 gnus-button-handle-ctan 1)
5739 ("\\binfo:\\(//\\)?\\([^'\">\n\t ]+\\)" 0
5740 (>= gnus-button-emacs-level 1) gnus-button-handle-info 2)
5742 ("\\bcustom:\\(//\\)?\\([^'\">\n\t ]+\\)" 0
5743 (>= gnus-button-emacs-level 5) gnus-button-handle-custom 2)
5744 ("M-x[ \t\n]customize-[^ ]+[ \t\n]RET[ \t\n]\\([^ ]+\\)[ \t\n]RET" 0
5745 (>= gnus-button-emacs-level 1) gnus-button-handle-custom 1)
5746 ;; Emacs help commands
5747 ("M-x[ \t\n]+apropos[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
5748 ;; regexp doesn't match arguments containing ` '.
5749 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos 1)
5750 ("M-x[ \t\n]+apropos-command[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
5751 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-command 1)
5752 ("M-x[ \t\n]+apropos-variable[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
5753 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-variable 1)
5754 ("M-x[ \t\n]+apropos-documentation[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
5755 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-documentation 1)
5756 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+f[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
5757 0 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-function 2)
5758 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+v[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
5759 0 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-variable 2)
5760 ("`\\(\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+k[ \t\n]+\\([^']+\\)\\)'" 1
5761 ;; Unlike the other regexps we really have to require quoting
5762 ;; here to determine where it ends.
5763 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-key 3)
5764 ;; This is how URLs _should_ be embedded in text...
5765 ("<URL: *\\([^<>]*\\)>" 1 t gnus-button-embedded-url 1)
5767 (gnus-button-url-regexp 0 t browse-url 0)
5769 ("\\b\\([a-z][a-z]+\\)([1-9])\\W" 0
5770 (and (>= gnus-button-man-level 1) (< gnus-button-man-level 3))
5771 gnus-button-handle-man 1)
5772 ;; more man pages: resolv.conf(5), iso_8859-1(7), xterm(1x)
5773 ("\\b\\([a-z][-_.a-z0-9]+\\)([1-9])\\W" 0
5774 (and (>= gnus-button-man-level 3) (< gnus-button-man-level 5))
5775 gnus-button-handle-man 1)
5776 ;; even more: Apache::PerlRun(3pm), PDL::IO::FastRaw(3pm),
5777 ;; SoWWWAnchor(3iv), XSelectInput(3X11)
5778 ("\\b\\([a-z][-_.:a-z0-9]+\\)([1-9][X1a-z]*)\\W" 0
5779 (>= gnus-button-man-level 5) gnus-button-handle-man 1)
5780 ;; MID or mail: To avoid too many false positives we don't try to catch
5781 ;; all kind of allowed MIDs or mail addresses. Domain part must contain
5782 ;; at least one dot. TLD must contain two or three chars or be a know TLD
5783 ;; (info|name|...). Put this entry near the _end_ of `gnus-button-alist'
5784 ;; so that non-ambiguous entries (see above) match first.
5785 (gnus-button-mid-or-mail-regexp
5786 0 (>= gnus-button-mail-level 5) gnus-button-handle-mid-or-mail 1))
5787 "*Alist of regexps matching buttons in article bodies.
5789 Each entry has the form (REGEXP BUTTON FORM CALLBACK PAR...), where
5790 REGEXP: is the string (case insensitive) matching text around the button (can
5791 also be lisp expression evaluating to a string),
5792 BUTTON: is the number of the regexp grouping actually matching the button,
5793 FORM: is a lisp expression which must eval to true for the button to
5795 CALLBACK: is the function to call when the user push this button, and each
5796 PAR: is a number of a regexp grouping whose text will be passed to CALLBACK.
5798 CALLBACK can also be a variable, in that case the value of that
5799 variable it the real callback function."
5800 :group 'gnus-article-buttons
5801 :type '(repeat (list (choice regexp variable)
5802 (integer :tag "Button")
5804 (function :tag "Callback")
5807 (integer :tag "Regexp group")))))
5809 (defcustom gnus-header-button-alist
5810 '(("^\\(References\\|Message-I[Dd]\\):" "<[^<>]+>"
5811 0 t gnus-button-message-id 0)
5812 ("^\\(From\\|Reply-To\\):" ": *\\(.+\\)$" 1 t gnus-button-reply 1)
5813 ("^\\(Cc\\|To\\):" "[^ \t\n<>,()\"]+@[^ \t\n<>,()\"]+"
5814 0 t gnus-button-mailto 0)
5815 ("^X-[Uu][Rr][Ll]:" gnus-button-url-regexp 0 t browse-url 0)
5816 ("^Subject:" gnus-button-url-regexp 0 t browse-url 0)
5817 ("^[^:]+:" gnus-button-url-regexp 0 t browse-url 0)
5818 ("^[^:]+:" "\\bmailto:\\([-a-z.@_+0-9%=?]+\\)" 0 t gnus-url-mailto 1)
5819 ("^[^:]+:" "\\(<\\(url: \\)?news:\\([^>\n ]*\\)>\\)" 1 t
5820 gnus-button-message-id 3))
5821 "*Alist of headers and regexps to match buttons in article heads.
5823 This alist is very similar to `gnus-button-alist', except that each
5824 alist has an additional HEADER element first in each entry:
5826 \(HEADER REGEXP BUTTON FORM CALLBACK PAR)
5828 HEADER is a regexp to match a header. For a fuller explanation, see
5829 `gnus-button-alist'."
5830 :group 'gnus-article-buttons
5831 :group 'gnus-article-headers
5832 :type '(repeat (list (regexp :tag "Header")
5834 (integer :tag "Button")
5836 (function :tag "Callback")
5839 (integer :tag "Regexp group")))))
5841 (defvar gnus-button-regexp nil)
5842 (defvar gnus-button-marker-list nil)
5843 ;; Regexp matching any of the regexps from `gnus-button-alist'.
5845 (defvar gnus-button-last nil)
5846 ;; The value of `gnus-button-alist' when `gnus-button-regexp' was build.
5850 (defun gnus-article-push-button (event)
5851 "Check text under the mouse pointer for a callback function.
5852 If the text under the mouse pointer has a `gnus-callback' property,
5853 call it with the value of the `gnus-data' text property."
5855 (set-buffer (window-buffer (posn-window (event-start event))))
5856 (let* ((pos (posn-point (event-start event)))
5857 (data (get-text-property pos 'gnus-data))
5858 (fun (get-text-property pos 'gnus-callback)))
5861 (funcall fun data))))
5863 (defun gnus-article-press-button ()
5864 "Check text at point for a callback function.
5865 If the text at point has a `gnus-callback' property,
5866 call it with the value of the `gnus-data' text property."
5868 (let ((data (get-text-property (point) 'gnus-data))
5869 (fun (get-text-property (point) 'gnus-callback)))
5871 (funcall fun data))))
5873 (defun gnus-article-highlight (&optional force)
5874 "Highlight current article.
5875 This function calls `gnus-article-highlight-headers',
5876 `gnus-article-highlight-citation',
5877 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
5878 do the highlighting. See the documentation for those functions."
5879 (interactive (list 'force))
5880 (gnus-article-highlight-headers)
5881 (gnus-article-highlight-citation force)
5882 (gnus-article-highlight-signature)
5883 (gnus-article-add-buttons force)
5884 (gnus-article-add-buttons-to-head))
5886 (defun gnus-article-highlight-some (&optional force)
5887 "Highlight current article.
5888 This function calls `gnus-article-highlight-headers',
5889 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
5890 do the highlighting. See the documentation for those functions."
5891 (interactive (list 'force))
5892 (gnus-article-highlight-headers)
5893 (gnus-article-highlight-signature)
5894 (gnus-article-add-buttons))
5896 (defun gnus-article-highlight-headers ()
5897 "Highlight article headers as specified by `gnus-header-face-alist'."
5900 (set-buffer gnus-article-buffer)
5902 (let ((alist gnus-header-face-alist)
5903 (buffer-read-only nil)
5904 (case-fold-search t)
5905 (inhibit-point-motion-hooks t)
5906 entry regexp header-face field-face from hpoints fpoints)
5907 (article-narrow-to-head)
5908 (while (setq entry (pop alist))
5909 (goto-char (point-min))
5910 (setq regexp (concat "^\\("
5911 (if (string-equal "" (nth 0 entry))
5915 header-face (nth 1 entry)
5916 field-face (nth 2 entry))
5917 (while (and (re-search-forward regexp nil t)
5921 (unless (search-forward ":" nil t)
5923 (when (and header-face
5924 (not (memq (point) hpoints)))
5925 (push (point) hpoints)
5926 (gnus-put-text-property from (point) 'face header-face))
5927 (when (and field-face
5928 (not (memq (setq from (point)) fpoints)))
5930 (if (re-search-forward "^[^ \t]" nil t)
5932 (goto-char (point-max)))
5933 (gnus-put-text-property from (point) 'face field-face))))))))
5935 (defun gnus-article-highlight-signature ()
5936 "Highlight the signature in an article.
5937 It does this by highlighting everything after
5938 `gnus-signature-separator' using `gnus-signature-face'."
5941 (set-buffer gnus-article-buffer)
5942 (let ((buffer-read-only nil)
5943 (inhibit-point-motion-hooks t))
5945 (when (and gnus-signature-face
5946 (gnus-article-narrow-to-signature))
5947 (gnus-overlay-put (gnus-make-overlay (point-min) (point-max))
5948 'face gnus-signature-face)
5950 (gnus-article-search-signature)
5951 (let ((start (match-beginning 0))
5952 (end (set-marker (make-marker) (1+ (match-end 0)))))
5953 (gnus-article-add-button start (1- end) 'gnus-signature-toggle
5956 (defun gnus-button-in-region-p (b e prop)
5957 "Say whether PROP exists in the region."
5958 (text-property-not-all b e prop nil))
5960 (defun gnus-article-add-buttons (&optional force)
5961 "Find external references in the article and make buttons of them.
5962 \"External references\" are things like Message-IDs and URLs, as
5963 specified by `gnus-button-alist'."
5964 (interactive (list 'force))
5966 (set-buffer gnus-article-buffer)
5967 (let ((buffer-read-only nil)
5968 (inhibit-point-motion-hooks t)
5969 (case-fold-search t)
5970 (alist gnus-button-alist)
5972 ;; Remove all old markers.
5973 (let (marker entry new-list)
5974 (while (setq marker (pop gnus-button-marker-list))
5975 (if (or (< marker (point-min)) (>= marker (point-max)))
5976 (push marker new-list)
5978 (when (setq entry (gnus-button-entry))
5979 (put-text-property (match-beginning (nth 1 entry))
5980 (match-end (nth 1 entry))
5981 'gnus-callback nil))
5982 (set-marker marker nil)))
5983 (setq gnus-button-marker-list new-list))
5984 ;; We skip the headers.
5987 (while (setq entry (pop alist))
5988 (setq regexp (eval (car entry)))
5990 (while (re-search-forward regexp nil t)
5991 (let* ((start (and entry (match-beginning (nth 1 entry))))
5992 (end (and entry (match-end (nth 1 entry))))
5993 (from (match-beginning 0)))
5994 (when (and (or (eq t (nth 2 entry))
5995 (eval (nth 2 entry)))
5996 (not (gnus-button-in-region-p
5997 start end 'gnus-callback)))
5998 ;; That optional form returned non-nil, so we add the
6000 (gnus-article-add-button
6001 start end 'gnus-button-push
6002 (car (push (set-marker (make-marker) from)
6003 gnus-button-marker-list))))))))))
6005 ;; Add buttons to the head of an article.
6006 (defun gnus-article-add-buttons-to-head ()
6007 "Add buttons to the head of the article."
6010 (set-buffer gnus-article-buffer)
6012 (let ((buffer-read-only nil)
6013 (inhibit-point-motion-hooks t)
6014 (case-fold-search t)
6015 (alist gnus-header-button-alist)
6017 (article-narrow-to-head)
6019 ;; Each alist entry.
6020 (setq entry (car alist)
6022 (goto-char (point-min))
6023 (while (re-search-forward (car entry) nil t)
6024 ;; Each header matching the entry.
6025 (setq beg (match-beginning 0))
6026 (setq end (or (and (re-search-forward "^[^ \t]" nil t)
6027 (match-beginning 0))
6030 (while (re-search-forward (eval (nth 1 entry)) end t)
6031 ;; Each match within a header.
6032 (let* ((entry (cdr entry))
6033 (start (match-beginning (nth 1 entry)))
6034 (end (match-end (nth 1 entry)))
6035 (form (nth 2 entry)))
6036 (goto-char (match-end 0))
6038 (gnus-article-add-button
6039 start end (nth 3 entry)
6040 (buffer-substring (match-beginning (nth 4 entry))
6041 (match-end (nth 4 entry)))))))
6042 (goto-char end)))))))
6044 ;;; External functions:
6046 (defun gnus-article-add-button (from to fun &optional data)
6047 "Create a button between FROM and TO with callback FUN and data DATA."
6048 (when gnus-article-button-face
6049 (gnus-overlay-put (gnus-make-overlay from to)
6050 'face gnus-article-button-face))
6051 (gnus-add-text-properties
6053 (nconc (and gnus-article-mouse-face
6054 (list gnus-mouse-face-prop gnus-article-mouse-face))
6055 (list 'gnus-callback fun)
6056 (and data (list 'gnus-data data))))
6057 (widget-convert-button 'link from to :action 'gnus-widget-press-button
6058 :button-keymap gnus-widget-button-keymap))
6060 ;;; Internal functions:
6062 (defun gnus-article-set-globals ()
6064 (set-buffer gnus-summary-buffer)
6065 (gnus-set-global-variables)))
6067 (defun gnus-signature-toggle (end)
6069 (set-buffer gnus-article-buffer)
6070 (let ((buffer-read-only nil)
6071 (inhibit-point-motion-hooks t))
6072 (if (text-property-any end (point-max) 'article-type 'signature)
6074 (gnus-delete-wash-type 'signature)
6075 (gnus-remove-text-properties-when
6076 'article-type 'signature end (point-max)
6077 (cons 'article-type (cons 'signature
6078 gnus-hidden-properties))))
6079 (gnus-add-wash-type 'signature)
6080 (gnus-add-text-properties-when
6081 'article-type nil end (point-max)
6082 (cons 'article-type (cons 'signature
6083 gnus-hidden-properties)))))
6084 (let ((gnus-article-mime-handle-alist-1 gnus-article-mime-handle-alist))
6085 (gnus-set-mode-line 'article))))
6087 (defun gnus-button-entry ()
6088 ;; Return the first entry in `gnus-button-alist' matching this place.
6089 (let ((alist gnus-button-alist)
6092 (setq entry (pop alist))
6093 (if (looking-at (eval (car entry)))
6098 (defun gnus-button-push (marker)
6099 ;; Push button starting at MARKER.
6102 (let* ((entry (gnus-button-entry))
6103 (inhibit-point-motion-hooks t)
6105 (args (mapcar (lambda (group)
6106 (let ((string (match-string group)))
6107 (gnus-set-text-properties
6108 0 (length string) nil string)
6115 (fboundp (symbol-value fun)))
6116 (apply (symbol-value fun) args))
6118 (gnus-message 1 "You must define `%S' to use this button"
6119 (cons fun args)))))))
6121 (defun gnus-parse-news-url (url)
6122 (let (scheme server group message-id articles)
6125 (goto-char (point-min))
6126 (when (looking-at "\\([A-Za-z]+\\):")
6127 (setq scheme (match-string 1))
6128 (goto-char (match-end 0)))
6129 (when (looking-at "//\\([^/]+\\)/")
6130 (setq server (match-string 1))
6131 (goto-char (match-end 0)))
6134 ((looking-at "\\(.*@.*\\)")
6135 (setq message-id (match-string 1)))
6136 ((looking-at "\\([^/]+\\)/\\([-0-9]+\\)")
6137 (setq group (match-string 1)
6138 articles (split-string (match-string 2) "-")))
6139 ((looking-at "\\([^/]+\\)/?")
6140 (setq group (match-string 1)))
6142 (error "Unknown news URL syntax"))))
6143 (list scheme server group message-id articles)))
6145 (defun gnus-button-handle-news (url)
6147 (destructuring-bind (scheme server group message-id articles)
6148 (gnus-parse-news-url url)
6152 (set-buffer gnus-summary-buffer)
6154 (let ((gnus-refer-article-method (list (list 'nntp server))))
6155 (gnus-summary-refer-article message-id))
6156 (gnus-summary-refer-article message-id))))
6158 (gnus-button-fetch-group url)))))
6160 (defun gnus-button-handle-man (url)
6162 (funcall gnus-button-man-handler url))
6164 (defun gnus-button-handle-info (url)
6165 "Fetch an info URL."
6167 "^\\([^:/]+\\)?/\\(.*\\)"
6169 (gnus-info-find-node
6170 (concat "(" (or (gnus-url-unhex-string (match-string 1 url))
6173 (gnus-url-unhex-string (match-string 2 url))))
6174 (error "Can't parse %s" url)))
6176 (defun gnus-button-message-id (message-id)
6179 (set-buffer gnus-summary-buffer)
6180 (gnus-summary-refer-article message-id)))
6182 (defun gnus-button-fetch-group (address)
6183 "Fetch GROUP specified by ADDRESS."
6184 (if (not (string-match "[:/]" address))
6185 ;; This is just a simple group url.
6186 (gnus-group-read-ephemeral-group address gnus-select-method)
6189 "^\\([^:/]+\\)\\(:\\([^/]+\\)\\)?/\\([^/]+\\)\\(/\\([0-9]+\\)\\)?"
6191 (error "Can't parse %s" address)
6192 (gnus-group-read-ephemeral-group
6193 (match-string 4 address)
6194 `(nntp ,(match-string 1 address)
6195 (nntp-address ,(match-string 1 address))
6196 (nntp-port-number ,(if (match-end 3)
6197 (match-string 3 address)
6200 (and (match-end 6) (list (string-to-int (match-string 6 address))))))))
6202 (defun gnus-url-parse-query-string (query &optional downcase)
6203 (let (retval pairs cur key val)
6204 (setq pairs (split-string query "&"))
6206 (setq cur (car pairs)
6208 (if (not (string-match "=" cur))
6210 (setq key (gnus-url-unhex-string (substring cur 0 (match-beginning 0)))
6211 val (gnus-url-unhex-string (substring cur (match-end 0) nil) t))
6213 (setq key (downcase key)))
6214 (setq cur (assoc key retval))
6216 (setcdr cur (cons val (cdr cur)))
6217 (setq retval (cons (list key val) retval)))))
6220 (defun gnus-url-mailto (url)
6221 ;; Send mail to someone
6222 (when (string-match "mailto:/*\\(.*\\)" url)
6223 (setq url (substring url (match-beginning 1) nil)))
6224 (let (to args subject func)
6225 (if (string-match (regexp-quote "?") url)
6226 (setq to (gnus-url-unhex-string (substring url 0 (match-beginning 0)))
6227 args (gnus-url-parse-query-string
6228 (substring url (match-end 0) nil) t))
6229 (setq to (gnus-url-unhex-string url)))
6230 (setq args (cons (list "to" to) args)
6231 subject (cdr-safe (assoc "subject" args)))
6234 (setq func (intern-soft (concat "message-goto-" (downcase (caar args)))))
6237 (message-position-on-field (caar args)))
6238 (insert (mapconcat 'identity (cdar args) ", "))
6239 (setq args (cdr args)))
6242 (message-goto-subject))))
6244 (defun gnus-button-embedded-url (address)
6245 "Activate ADDRESS with `browse-url'."
6246 (browse-url (gnus-strip-whitespace address)))
6248 ;;; Next/prev buttons in the article buffer.
6250 (defvar gnus-next-page-line-format "%{%(Next page...%)%}\n")
6251 (defvar gnus-prev-page-line-format "%{%(Previous page...%)%}\n")
6253 (defvar gnus-prev-page-map
6254 (let ((map (make-sparse-keymap)))
6255 (unless (>= emacs-major-version 21)
6256 ;; XEmacs doesn't care.
6257 (set-keymap-parent map gnus-article-mode-map))
6258 (define-key map gnus-mouse-2 'gnus-button-prev-page)
6259 (define-key map "\r" 'gnus-button-prev-page)
6262 (defun gnus-insert-prev-page-button ()
6264 (buffer-read-only nil))
6266 gnus-prev-page-line-format nil
6267 `(,@(gnus-local-map-property gnus-prev-page-map)
6269 gnus-callback gnus-article-button-prev-page
6270 article-type annotation))
6271 (widget-convert-button
6273 :action 'gnus-button-prev-page
6274 :button-keymap gnus-prev-page-map)))
6276 (defvar gnus-prev-page-map
6277 (let ((map (make-sparse-keymap)))
6278 (unless (>= emacs-major-version 21)
6279 ;; XEmacs doesn't care.
6280 (set-keymap-parent map gnus-article-mode-map))
6281 (define-key map gnus-mouse-2 'gnus-button-prev-page)
6282 (define-key map "\r" 'gnus-button-prev-page)
6285 (defvar gnus-next-page-map
6286 (let ((map (make-sparse-keymap)))
6287 (unless (>= emacs-major-version 21)
6288 ;; XEmacs doesn't care.
6289 (set-keymap-parent map gnus-article-mode-map))
6290 (define-key map gnus-mouse-2 'gnus-button-next-page)
6291 (define-key map "\r" 'gnus-button-next-page)
6294 (defun gnus-button-next-page (&optional args more-args)
6295 "Go to the next page."
6297 (let ((win (selected-window)))
6298 (select-window (gnus-get-buffer-window gnus-article-buffer t))
6299 (gnus-article-next-page)
6300 (select-window win)))
6302 (defun gnus-button-prev-page (&optional args more-args)
6303 "Go to the prev page."
6305 (let ((win (selected-window)))
6306 (select-window (gnus-get-buffer-window gnus-article-buffer t))
6307 (gnus-article-prev-page)
6308 (select-window win)))
6310 (defun gnus-insert-next-page-button ()
6312 (buffer-read-only nil))
6313 (gnus-eval-format gnus-next-page-line-format nil
6314 `(,@(gnus-local-map-property gnus-next-page-map)
6316 gnus-callback gnus-article-button-next-page
6317 article-type annotation))
6318 (widget-convert-button
6320 :action 'gnus-button-next-page
6321 :button-keymap gnus-next-page-map)))
6323 (defun gnus-article-button-next-page (arg)
6324 "Go to the next page."
6326 (let ((win (selected-window)))
6327 (select-window (gnus-get-buffer-window gnus-article-buffer t))
6328 (gnus-article-next-page)
6329 (select-window win)))
6331 (defun gnus-article-button-prev-page (arg)
6332 "Go to the prev page."
6334 (let ((win (selected-window)))
6335 (select-window (gnus-get-buffer-window gnus-article-buffer t))
6336 (gnus-article-prev-page)
6337 (select-window win)))
6339 (defvar gnus-decode-header-methods
6340 '(mail-decode-encoded-word-region)
6341 "List of methods used to decode headers.
6343 This variable is a list of FUNCTION or (REGEXP . FUNCTION). If item
6344 is FUNCTION, FUNCTION will be apply to all newsgroups. If item is a
6345 \(REGEXP . FUNCTION), FUNCTION will be only apply to thes newsgroups
6346 whose names match REGEXP.
6349 \((\"chinese\" . gnus-decode-encoded-word-region-by-guess)
6350 mail-decode-encoded-word-region
6351 (\"chinese\" . rfc1843-decode-region))
6354 (defvar gnus-decode-header-methods-cache nil)
6356 (defun gnus-multi-decode-header (start end)
6357 "Apply the functions from `gnus-encoded-word-methods' that match."
6358 (unless (and gnus-decode-header-methods-cache
6359 (eq gnus-newsgroup-name
6360 (car gnus-decode-header-methods-cache)))
6361 (setq gnus-decode-header-methods-cache (list gnus-newsgroup-name))
6364 (nconc gnus-decode-header-methods-cache (list x))
6365 (if (and gnus-newsgroup-name
6366 (string-match (car x) gnus-newsgroup-name))
6367 (nconc gnus-decode-header-methods-cache
6369 gnus-decode-header-methods))
6370 (let ((xlist gnus-decode-header-methods-cache))
6373 (narrow-to-region start end)
6375 (funcall (pop xlist) (point-min) (point-max))))))
6378 ;;; Treatment top-level handling.
6381 (defun gnus-treat-article (condition &optional part-number total-parts type)
6382 (let ((length (- (point-max) (point-min)))
6383 (alist gnus-treatment-function-alist)
6384 (article-goto-body-goes-to-point-min-p t)
6388 (let ((list gnus-article-treat-types))
6390 (when (string-match (pop list) type)
6391 (throw 'found t)))))))
6392 (highlightp (gnus-visual-p 'article-highlight 'highlight))
6394 (gnus-run-hooks 'gnus-part-display-hook)
6395 (dolist (elem alist)
6398 (when (gnus-buffer-live-p gnus-summary-buffer)
6399 (set-buffer gnus-summary-buffer))
6400 (symbol-value (car elem))))
6401 (when (and (or (consp val)
6403 (gnus-treat-predicate val)
6404 (or (not (get (car elem) 'highlight))
6407 (funcall (cadr elem)))))))
6409 ;; Dynamic variables.
6411 (defvar part-number)
6412 (defvar total-parts)
6417 (defun gnus-treat-predicate (val)
6424 (stringp (car val)))
6425 (apply 'gnus-or (mapcar `(lambda (s)
6426 (string-match s ,(or gnus-newsgroup-name "")))
6429 (let ((pred (pop val)))
6432 (apply 'gnus-or (mapcar 'gnus-treat-predicate val)))
6434 (apply 'gnus-and (mapcar 'gnus-treat-predicate val)))
6436 (not (gnus-treat-predicate (car val))))
6438 (equal (car val) type))
6440 (error "%S is not a valid predicate" pred)))))
6446 (eq part-number total-parts))
6450 (error "%S is not a valid value" val))))
6452 (defun gnus-article-encrypt-body (protocol &optional n)
6453 "Encrypt the article body."
6456 (or gnus-article-encrypt-protocol
6457 (completing-read "Encrypt protocol: "
6458 gnus-article-encrypt-protocol-alist
6460 current-prefix-arg))
6461 (let ((func (cdr (assoc protocol gnus-article-encrypt-protocol-alist))))
6463 (error (format "Can't find the encrypt protocol %s" protocol)))
6464 (if (member gnus-newsgroup-name '("nndraft:delayed"
6467 (error "Can't encrypt the article in group %s"
6468 gnus-newsgroup-name))
6469 (gnus-summary-iterate n
6471 (set-buffer gnus-summary-buffer)
6472 (let ((mail-parse-charset gnus-newsgroup-charset)
6473 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets)
6474 (summary-buffer gnus-summary-buffer)
6476 (gnus-set-global-variables)
6477 (when (gnus-group-read-only-p)
6478 (error "The current newsgroup does not support article encrypt"))
6479 (gnus-summary-show-article t)
6481 (or (mail-header-references gnus-current-headers) ""))
6482 (set-buffer gnus-article-buffer)
6483 (let* ((buffer-read-only nil)
6485 (mapcar (lambda (field)
6486 (and (save-restriction
6487 (message-narrow-to-head)
6488 (goto-char (point-min))
6489 (search-forward field nil t))
6491 (message-narrow-to-field)
6492 (buffer-substring (point-min) (point-max))
6493 (delete-region (point-min) (point-max))
6495 '("Content-Type:" "Content-Transfer-Encoding:"
6496 "Content-Disposition:"))))
6497 (message-narrow-to-head)
6498 (message-remove-header "MIME-Version")
6499 (goto-char (point-max))
6500 (setq point (point))
6501 (insert (apply 'concat headers))
6503 (narrow-to-region point (point-max))
6504 (let ((message-options message-options))
6505 (message-options-set 'message-sender user-mail-address)
6506 (message-options-set 'message-recipients user-mail-address)
6507 (message-options-set 'message-sign-encrypt 'not)
6509 (goto-char (point-min))
6510 (insert "MIME-Version: 1.0\n")
6512 (gnus-summary-edit-article-done
6513 references nil summary-buffer t))
6514 (when gnus-keep-backlog
6515 (gnus-backlog-remove-article
6516 (car gnus-article-current) (cdr gnus-article-current)))
6518 (when (get-buffer gnus-original-article-buffer)
6519 (set-buffer gnus-original-article-buffer)
6520 (setq gnus-original-article nil)))
6521 (when gnus-use-cache
6522 (gnus-cache-update-article
6523 (car gnus-article-current) (cdr gnus-article-current))))))))
6525 (defvar gnus-mime-security-button-line-format "%{%([[%t:%i]%D]%)%}\n"
6526 "The following specs can be used:
6527 %t The security MIME type
6530 %D Details if button is pressed")
6532 (defvar gnus-mime-security-button-end-line-format "%{%([[End of %t]%D]%)%}\n"
6533 "The following specs can be used:
6534 %t The security MIME type
6537 %D Details if button is pressed")
6539 (defvar gnus-mime-security-button-line-format-alist
6540 '((?t gnus-tmp-type ?s)
6541 (?i gnus-tmp-info ?s)
6542 (?d gnus-tmp-details ?s)
6543 (?D gnus-tmp-pressed-details ?s)))
6545 (defvar gnus-mime-security-button-map
6546 (let ((map (make-sparse-keymap)))
6547 (unless (>= (string-to-number emacs-version) 21)
6548 (set-keymap-parent map gnus-article-mode-map))
6549 (define-key map gnus-mouse-2 'gnus-article-push-button)
6550 (define-key map "\r" 'gnus-article-press-button)
6553 (defvar gnus-mime-security-details-buffer nil)
6555 (defvar gnus-mime-security-button-pressed nil)
6557 (defvar gnus-mime-security-show-details-inline t
6558 "If non-nil, show details in the article buffer.")
6560 (defun gnus-mime-security-verify-or-decrypt (handle)
6561 (mm-remove-parts (cdr handle))
6562 (let ((region (mm-handle-multipart-ctl-parameter handle 'gnus-region))
6563 point buffer-read-only)
6565 (goto-char (car region)))
6567 (narrow-to-region (point) (point))
6568 (with-current-buffer (mm-handle-multipart-original-buffer handle)
6569 (let* ((mm-verify-option 'known)
6570 (mm-decrypt-option 'known)
6571 (nparts (mm-possibly-verify-or-decrypt (cdr handle) handle)))
6572 (unless (eq nparts (cdr handle))
6573 (mm-destroy-parts (cdr handle))
6574 (setcdr handle nparts))))
6575 (setq point (point))
6576 (gnus-mime-display-security handle)
6577 (goto-char (point-max)))
6579 (delete-region (point) (cdr region))
6580 (set-marker (car region) nil)
6581 (set-marker (cdr region) nil))
6584 (defun gnus-mime-security-show-details (handle)
6585 (let ((details (mm-handle-multipart-ctl-parameter handle 'gnus-details)))
6587 (gnus-message 5 "No details.")
6588 (if gnus-mime-security-show-details-inline
6589 (let ((gnus-mime-security-button-pressed
6590 (not (get-text-property (point) 'gnus-mime-details)))
6591 (gnus-mime-security-button-line-format
6592 (get-text-property (point) 'gnus-line-format))
6595 (while (eq (get-text-property (point) 'gnus-line-format)
6596 gnus-mime-security-button-line-format)
6600 (narrow-to-region (point) (point))
6601 (gnus-insert-mime-security-button handle))
6602 (delete-region (point)
6603 (or (text-property-not-all
6606 gnus-mime-security-button-line-format)
6609 (if (gnus-buffer-live-p gnus-mime-security-details-buffer)
6610 (with-current-buffer gnus-mime-security-details-buffer
6613 (setq gnus-mime-security-details-buffer
6614 (gnus-get-buffer-create "*MIME Security Details*")))
6615 (with-current-buffer gnus-mime-security-details-buffer
6617 (goto-char (point-min)))
6618 (pop-to-buffer gnus-mime-security-details-buffer)))))
6620 (defun gnus-mime-security-press-button (handle)
6622 (if (mm-handle-multipart-ctl-parameter handle 'gnus-info)
6623 (gnus-mime-security-show-details handle)
6624 (gnus-mime-security-verify-or-decrypt handle))))
6626 (defun gnus-insert-mime-security-button (handle &optional displayed)
6627 (let* ((protocol (mm-handle-multipart-ctl-parameter handle 'protocol))
6630 (or (nth 2 (assoc protocol mm-verify-function-alist))
6631 (nth 2 (assoc protocol mm-decrypt-function-alist))
6633 (if (equal (car handle) "multipart/signed")
6634 " Signed" " Encrypted")
6637 (or (mm-handle-multipart-ctl-parameter handle 'gnus-info)
6640 (mm-handle-multipart-ctl-parameter handle 'gnus-details))
6641 gnus-tmp-pressed-details
6643 (setq gnus-tmp-details
6644 (if gnus-tmp-details
6645 (concat "\n" gnus-tmp-details)
6647 (setq gnus-tmp-pressed-details
6648 (if gnus-mime-security-button-pressed gnus-tmp-details ""))
6653 gnus-mime-security-button-line-format
6654 gnus-mime-security-button-line-format-alist
6655 `(,@(gnus-local-map-property gnus-mime-security-button-map)
6656 gnus-callback gnus-mime-security-press-button
6657 gnus-line-format ,gnus-mime-security-button-line-format
6658 gnus-mime-details ,gnus-mime-security-button-pressed
6659 article-type annotation
6662 (widget-convert-button
6665 :action 'gnus-widget-press-button
6666 :button-keymap gnus-mime-security-button-map
6668 (lambda (widget/window &optional overlay pos)
6669 ;; Needed to properly clear the message due to a bug in
6670 ;; wid-edit (XEmacs only).
6671 (when (boundp 'help-echo-owns-message)
6672 (setq help-echo-owns-message t))
6675 (aref gnus-mouse-2 0))))))
6677 (defun gnus-mime-display-security (handle)
6679 (narrow-to-region (point) (point))
6680 (unless (gnus-unbuttonized-mime-type-p (car handle))
6681 (gnus-insert-mime-security-button handle))
6682 (gnus-mime-display-mixed (cdr handle))
6685 (unless (gnus-unbuttonized-mime-type-p (car handle))
6686 (let ((gnus-mime-security-button-line-format
6687 gnus-mime-security-button-end-line-format))
6688 (gnus-insert-mime-security-button handle)))
6689 (mm-set-handle-multipart-parameter
6691 (cons (set-marker (make-marker) (point-min))
6692 (set-marker (make-marker) (point-max))))))
6698 (run-hooks 'gnus-art-load-hook)
6700 ;;; gnus-art.el ends here