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-signature-separator '("^-- $" "^-- *$")
204 "Regexp matching signature separator.
205 This can also be a list of regexps. In that case, it will be checked
206 from head to tail looking for a separator. Searches will be done from
207 the end of the buffer."
208 :type '(repeat string)
209 :group 'gnus-article-signature)
211 (defcustom gnus-signature-limit nil
212 "Provide a limit to what is considered a signature.
213 If it is a number, no signature may not be longer (in characters) than
214 that number. If it is a floating point number, no signature may be
215 longer (in lines) than that number. If it is a function, the function
216 will be called without any parameters, and if it returns nil, there is
217 no signature in the buffer. If it is a string, it will be used as a
218 regexp. If it matches, the text in question is not a signature."
219 :type '(choice (integer :value 200)
221 (function :value fun)
222 (regexp :value ".*"))
223 :group 'gnus-article-signature)
225 (defcustom gnus-hidden-properties '(invisible t intangible t)
226 "Property list to use for hiding text."
228 :group 'gnus-article-hiding)
230 ;; Fixme: This isn't the right thing for mixed graphical and and
231 ;; non-graphical frames in a session.
232 (defcustom gnus-article-x-face-command
233 (if (featurep 'xemacs)
234 (if (or (gnus-image-type-available-p 'xface)
235 (gnus-image-type-available-p 'pbm))
236 'gnus-display-x-face-in-from
237 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | ee -")
238 (if (gnus-image-type-available-p 'pbm)
239 'gnus-display-x-face-in-from
240 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | \
242 "*String or function to be executed to display an X-Face header.
243 If it is a string, the command will be executed in a sub-shell
244 asynchronously. The compressed face will be piped to this command."
245 :type `(choice string
246 (function-item gnus-display-x-face-in-from)
250 :group 'gnus-article-washing)
252 (defcustom gnus-article-x-face-too-ugly nil
253 "Regexp matching posters whose face shouldn't be shown automatically."
254 :type '(choice regexp (const nil))
255 :group 'gnus-article-washing)
257 (defcustom gnus-article-banner-alist nil
258 "Banner alist for stripping.
260 ((egroups . \"^[ \\t\\n]*-------------------+\\\\( \\\\(e\\\\|Yahoo! \\\\)Groups Sponsor -+\\\\)?....\\n\\\\(.+\\n\\\\)+\"))"
262 :type '(repeat (cons symbol regexp))
263 :group 'gnus-article-washing)
265 (gnus-define-group-parameter
268 "Alist of regexps (to match group names) and banner."
269 :variable-group gnus-article-washing
271 '(choice :tag "Banner"
273 (const :tag "Remove signature" signature)
274 (symbol :tag "Item in `gnus-article-banner-alist'" none)
276 (const :tag "None" nil))
278 "If non-nil, specify how to remove `banners' from articles.
280 Symbol `signature' means to remove signatures delimited by
281 `gnus-signature-separator'. Any other symbol is used to look up a
282 regular expression to match the banner in `gnus-article-banner-alist'.
283 A string is used as a regular expression to match the banner
286 (defcustom gnus-article-address-banner-alist nil
287 "Alist of mail addresses and banners.
288 Each element has the form (ADDRESS . BANNER), where ADDRESS is a regexp
289 to match a mail address in the From: header, BANNER is one of a symbol
290 `signature', an item in `gnus-article-banner-alist', a regexp and nil.
291 If ADDRESS matches author's mail address, it will remove things like
292 advertisements. For example:
294 \((\"@yoo-hoo\\\\.co\\\\.jp\\\\'\" . \"\\n_+\\nDo You Yoo-hoo!\\\\?\\n.*\\n.*\\n\"))
298 (regexp :tag "Address")
299 (choice :tag "Banner" :value nil
300 (const :tag "Remove signature" signature)
301 (symbol :tag "Item in `gnus-article-banner-alist'" none)
303 (const :tag "None" nil))))
304 :group 'gnus-article-washing)
306 (defcustom gnus-emphasis-alist
308 "\\(\\s-\\|^\\|\\=\\|[-\"]\\|\\s(\\)\\(%s\\(\\w+\\(\\s-+\\w+\\)*[.,]?\\)%s\\)\\(\\([-,.;:!?\"]\\|\\s)\\)+\\s-\\|[?!.]\\s-\\|\\s)\\|\\s-\\)")
313 ("_/" "/_" underline-italic)
314 ("_\\*" "\\*_" underline-bold)
315 ("\\*/" "/\\*" bold-italic)
316 ("_\\*/" "/\\*_" underline-bold-italic))))
320 (format format (car spec) (cadr spec))
321 2 3 (intern (format "gnus-emphasis-%s" (nth 2 spec)))))
323 ("\\(\\s-\\|^\\)\\(-\\(\\(\\w\\|-[^-]\\)+\\)-\\)\\(\\s-\\|[?!.,;]\\)"
324 2 3 gnus-emphasis-strikethru)
325 ("\\(\\s-\\|^\\)\\(_\\(\\(\\w\\|_[^_]\\)+\\)_\\)\\(\\s-\\|[?!.,;]\\)"
326 2 3 gnus-emphasis-underline)))
327 "*Alist that says how to fontify certain phrases.
328 Each item looks like this:
330 (\"_\\\\(\\\\w+\\\\)_\" 0 1 'underline)
332 The first element is a regular expression to be matched. The second
333 is a number that says what regular expression grouping used to find
334 the entire emphasized word. The third is a number that says what
335 regexp grouping should be displayed and highlighted. The fourth
336 is the face used for highlighting."
337 :type '(repeat (list :value ("" 0 0 default)
339 (integer :tag "Match group")
340 (integer :tag "Emphasize group")
342 :group 'gnus-article-emphasis)
344 (defcustom gnus-emphasize-whitespace-regexp "^[ \t]+\\|[ \t]*\n"
345 "A regexp to describe whitespace which should not be emphasized.
346 Typical values are \"^[ \\t]+\\\\|[ \\t]*\\n\" and \"[ \\t]+\\\\|[ \\t]*\\n\".
347 The former avoids underlining of leading and trailing whitespace,
348 and the latter avoids underlining any whitespace at all."
350 :group 'gnus-article-emphasis
353 (defface gnus-emphasis-bold '((t (:bold t)))
354 "Face used for displaying strong emphasized text (*word*)."
355 :group 'gnus-article-emphasis)
357 (defface gnus-emphasis-italic '((t (:italic t)))
358 "Face used for displaying italic emphasized text (/word/)."
359 :group 'gnus-article-emphasis)
361 (defface gnus-emphasis-underline '((t (:underline t)))
362 "Face used for displaying underlined emphasized text (_word_)."
363 :group 'gnus-article-emphasis)
365 (defface gnus-emphasis-underline-bold '((t (:bold t :underline t)))
366 "Face used for displaying underlined bold emphasized text (_*word*_)."
367 :group 'gnus-article-emphasis)
369 (defface gnus-emphasis-underline-italic '((t (:italic t :underline t)))
370 "Face used for displaying underlined italic emphasized text (_/word/_)."
371 :group 'gnus-article-emphasis)
373 (defface gnus-emphasis-bold-italic '((t (:bold t :italic t)))
374 "Face used for displaying bold italic emphasized text (/*word*/)."
375 :group 'gnus-article-emphasis)
377 (defface gnus-emphasis-underline-bold-italic
378 '((t (:bold t :italic t :underline t)))
379 "Face used for displaying underlined bold italic emphasized text.
380 Example: (_/*word*/_)."
381 :group 'gnus-article-emphasis)
383 (defface gnus-emphasis-strikethru '((t (:strikethru t)))
384 "Face used for displaying strike-through text (-word-)."
385 :group 'gnus-article-emphasis)
387 (defface gnus-emphasis-highlight-words
388 '((t (:background "black" :foreground "yellow")))
389 "Face used for displaying highlighted words."
390 :group 'gnus-article-emphasis)
392 (defcustom gnus-article-time-format "%a, %b %d %Y %T %Z"
393 "Format for display of Date headers in article bodies.
394 See `format-time-string' for the possible values.
396 The variable can also be function, which should return a complete Date
397 header. The function is called with one argument, the time, which can
398 be fed to `format-time-string'."
399 :type '(choice string symbol)
400 :link '(custom-manual "(gnus)Article Date")
401 :group 'gnus-article-washing)
404 (autoload 'mail-extract-address-components "mail-extr"))
406 (defcustom gnus-save-all-headers t
407 "*If non-nil, don't remove any headers before saving."
408 :group 'gnus-article-saving
411 (defcustom gnus-prompt-before-saving 'always
412 "*This variable says how much prompting is to be done when saving articles.
413 If it is nil, no prompting will be done, and the articles will be
414 saved to the default files. If this variable is `always', each and
415 every article that is saved will be preceded by a prompt, even when
416 saving large batches of articles. If this variable is neither nil not
417 `always', there the user will be prompted once for a file name for
418 each invocation of the saving commands."
419 :group 'gnus-article-saving
420 :type '(choice (item always)
421 (item :tag "never" nil)
422 (sexp :tag "once" :format "%t\n" :value t)))
424 (defcustom gnus-saved-headers gnus-visible-headers
425 "Headers to keep if `gnus-save-all-headers' is nil.
426 If `gnus-save-all-headers' is non-nil, this variable will be ignored.
427 If that variable is nil, however, all headers that match this regexp
428 will be kept while the rest will be deleted before saving."
429 :group 'gnus-article-saving
432 (defcustom gnus-default-article-saver 'gnus-summary-save-in-rmail
433 "A function to save articles in your favourite format.
434 The function must be interactively callable (in other words, it must
435 be an Emacs command).
437 Gnus provides the following functions:
439 * gnus-summary-save-in-rmail (Rmail format)
440 * gnus-summary-save-in-mail (Unix mail format)
441 * gnus-summary-save-in-folder (MH folder)
442 * gnus-summary-save-in-file (article format)
443 * gnus-summary-save-body-in-file (article body)
444 * gnus-summary-save-in-vm (use VM's folder format)
445 * gnus-summary-write-to-file (article format -- overwrite)."
446 :group 'gnus-article-saving
447 :type '(radio (function-item gnus-summary-save-in-rmail)
448 (function-item gnus-summary-save-in-mail)
449 (function-item gnus-summary-save-in-folder)
450 (function-item gnus-summary-save-in-file)
451 (function-item gnus-summary-save-body-in-file)
452 (function-item gnus-summary-save-in-vm)
453 (function-item gnus-summary-write-to-file)))
455 (defcustom gnus-rmail-save-name 'gnus-plain-save-name
456 "A function generating a file name to save articles in Rmail format.
457 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
458 :group 'gnus-article-saving
461 (defcustom gnus-mail-save-name 'gnus-plain-save-name
462 "A function generating a file name to save articles in Unix mail format.
463 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
464 :group 'gnus-article-saving
467 (defcustom gnus-folder-save-name 'gnus-folder-save-name
468 "A function generating a file name to save articles in MH folder.
469 The function is called with NEWSGROUP, HEADERS, and optional LAST-FOLDER."
470 :group 'gnus-article-saving
473 (defcustom gnus-file-save-name 'gnus-numeric-save-name
474 "A function generating a file name to save articles in article format.
475 The function is called with NEWSGROUP, HEADERS, and optional
477 :group 'gnus-article-saving
480 (defcustom gnus-split-methods
481 '((gnus-article-archive-name)
482 (gnus-article-nndoc-name))
483 "*Variable used to suggest where articles are to be saved.
484 For instance, if you would like to save articles related to Gnus in
485 the file \"gnus-stuff\", and articles related to VM in \"vm-stuff\",
486 you could set this variable to something like:
488 '((\"^Subject:.*gnus\\|^Newsgroups:.*gnus\" \"gnus-stuff\")
489 (\"^Subject:.*vm\\|^Xref:.*vm\" \"vm-stuff\"))
491 This variable is an alist where the where the key is the match and the
492 value is a list of possible files to save in if the match is non-nil.
494 If the match is a string, it is used as a regexp match on the
495 article. If the match is a symbol, that symbol will be funcalled
496 from the buffer of the article to be saved with the newsgroup as the
497 parameter. If it is a list, it will be evaled in the same buffer.
499 If this form or function returns a string, this string will be used as
500 a possible file name; and if it returns a non-nil list, that list will
501 be used as possible file names."
502 :group 'gnus-article-saving
503 :type '(repeat (choice (list :value (fun) function)
504 (cons :value ("" "") regexp (repeat string))
507 (defcustom gnus-page-delimiter "^\^L"
508 "*Regexp describing what to use as article page delimiters.
509 The default value is \"^\^L\", which is a form linefeed at the
510 beginning of a line."
512 :group 'gnus-article-various)
514 (defcustom gnus-article-mode-line-format "Gnus: %g [%w] %S%m"
515 "*The format specification for the article mode line.
516 See `gnus-summary-mode-line-format' for a closer description.
518 The following additional specs are available:
520 %w The article washing status.
521 %m The number of MIME parts in the article."
523 :group 'gnus-article-various)
525 (defcustom gnus-article-mode-hook nil
526 "*A hook for Gnus article mode."
528 :group 'gnus-article-various)
530 (when (featurep 'xemacs)
531 ;; Extracted from gnus-xmas-define in order to preserve user settings
532 (when (fboundp 'turn-off-scroll-in-place)
533 (add-hook 'gnus-article-mode-hook 'turn-off-scroll-in-place))
534 ;; Extracted from gnus-xmas-redefine in order to preserve user settings
535 (add-hook 'gnus-article-mode-hook 'gnus-xmas-article-menu-add))
537 (defcustom gnus-article-menu-hook nil
538 "*Hook run after the creation of the article mode menu."
540 :group 'gnus-article-various)
542 (defcustom gnus-article-prepare-hook nil
543 "*A hook called after an article has been prepared in the article buffer."
545 :group 'gnus-article-various)
547 (defvar gnus-article-hide-pgp-hook nil)
548 (make-obsolete-variable 'gnus-article-hide-pgp-hook
549 "This variable is obsolete in Gnus 5.10.")
551 (defcustom gnus-article-button-face 'bold
552 "Face used for highlighting buttons in the article buffer.
554 An article button is a piece of text that you can activate by pressing
555 `RET' or `mouse-2' above it."
557 :group 'gnus-article-buttons)
559 (defcustom gnus-article-mouse-face 'highlight
560 "Face used for mouse highlighting in the article buffer.
562 Article buttons will be displayed in this face when the cursor is
565 :group 'gnus-article-buttons)
567 (defcustom gnus-signature-face 'gnus-signature-face
568 "Face used for highlighting a signature in the article buffer.
569 Obsolete; use the face `gnus-signature-face' for customizations instead."
571 :group 'gnus-article-highlight
572 :group 'gnus-article-signature)
574 (defface gnus-signature-face
577 "Face used for highlighting a signature in the article buffer."
578 :group 'gnus-article-highlight
579 :group 'gnus-article-signature)
581 (defface gnus-header-from-face
584 (:foreground "spring green"))
587 (:foreground "red3"))
590 "Face used for displaying from headers."
591 :group 'gnus-article-headers
592 :group 'gnus-article-highlight)
594 (defface gnus-header-subject-face
597 (:foreground "SeaGreen3"))
600 (:foreground "red4"))
602 (:bold t :italic t)))
603 "Face used for displaying subject headers."
604 :group 'gnus-article-headers
605 :group 'gnus-article-highlight)
607 (defface gnus-header-newsgroups-face
610 (:foreground "yellow" :italic t))
613 (:foreground "MidnightBlue" :italic t))
616 "Face used for displaying newsgroups headers."
617 :group 'gnus-article-headers
618 :group 'gnus-article-highlight)
620 (defface gnus-header-name-face
623 (:foreground "SeaGreen"))
626 (:foreground "maroon"))
629 "Face used for displaying header names."
630 :group 'gnus-article-headers
631 :group 'gnus-article-highlight)
633 (defface gnus-header-content-face
636 (:foreground "forest green" :italic t))
639 (:foreground "indianred4" :italic t))
641 (:italic t))) "Face used for displaying header content."
642 :group 'gnus-article-headers
643 :group 'gnus-article-highlight)
645 (defcustom gnus-header-face-alist
646 '(("From" nil gnus-header-from-face)
647 ("Subject" nil gnus-header-subject-face)
648 ("Newsgroups:.*," nil gnus-header-newsgroups-face)
649 ("" gnus-header-name-face gnus-header-content-face))
650 "*Controls highlighting of article header.
652 An alist of the form (HEADER NAME CONTENT).
654 HEADER is a regular expression which should match the name of an
655 header header and NAME and CONTENT are either face names or nil.
657 The name of each header field will be displayed using the face
658 specified by the first element in the list where HEADER match the
659 header name and NAME is non-nil. Similarly, the content will be
660 displayed by the first non-nil matching CONTENT face."
661 :group 'gnus-article-headers
662 :group 'gnus-article-highlight
663 :type '(repeat (list (regexp :tag "Header")
665 (item :tag "skip" nil)
666 (face :value default))
667 (choice :tag "Content"
668 (item :tag "skip" nil)
669 (face :value default)))))
671 (defcustom gnus-article-decode-hook
672 '(article-decode-charset article-decode-encoded-words
673 article-decode-group-name)
674 "*Hook run to decode charsets in articles."
675 :group 'gnus-article-headers
678 (defcustom gnus-display-mime-function 'gnus-display-mime
679 "Function to display MIME articles."
680 :group 'gnus-article-mime
683 (defvar gnus-decode-header-function 'mail-decode-encoded-word-region
684 "Function used to decode headers.")
686 (defvar gnus-article-dumbquotes-map
706 "Table for MS-to-Latin1 translation.")
708 (defcustom gnus-ignored-mime-types nil
709 "List of MIME types that should be ignored by Gnus."
711 :group 'gnus-article-mime
712 :type '(repeat regexp))
714 (defcustom gnus-unbuttonized-mime-types '(".*/.*")
715 "List of MIME types that should not be given buttons when rendered inline.
716 See also `gnus-buttonized-mime-types' which may override this variable.
717 This variable is only used when `gnus-inhibit-mime-unbuttonizing' is nil."
719 :group 'gnus-article-mime
720 :type '(repeat regexp))
722 (defcustom gnus-buttonized-mime-types nil
723 "List of MIME types that should be given buttons when rendered inline.
724 If set, this variable overrides `gnus-unbuttonized-mime-types'.
725 To see e.g. security buttons you could set this to
726 `(\"multipart/signed\")'.
727 This variable is only used when `gnus-inhibit-mime-unbuttonizing' is nil."
729 :group 'gnus-article-mime
730 :type '(repeat regexp))
732 (defcustom gnus-inhibit-mime-unbuttonizing nil
733 "If non-nil, all MIME parts get buttons.
734 When nil (the default value), then some MIME parts do not get buttons,
735 as described by the variables `gnus-buttonized-mime-types' and
736 `gnus-unbuttonized-mime-types'."
740 (defcustom gnus-body-boundary-delimiter "_"
741 "String used to delimit header and body.
742 This variable is used by `gnus-article-treat-body-boundary' which can
743 be controlled by `gnus-treat-body-boundary'."
744 :group 'gnus-article-various
745 :type '(choice (item :tag "None" :value nil)
748 (defcustom gnus-picon-databases '("/usr/lib/picon" "/usr/local/faces")
749 "Defines the location of the faces database.
750 For information on obtaining this database of pretty pictures, please
751 see http://www.cs.indiana.edu/picons/ftp/index.html"
752 :type '(repeat directory)
753 :link '(url-link :tag "download"
754 "http://www.cs.indiana.edu/picons/ftp/index.html")
755 :link '(custom-manual "(gnus)Picons")
758 (defun gnus-picons-installed-p ()
759 "Say whether picons are installed on your machine."
760 (let ((installed nil))
761 (dolist (database gnus-picon-databases)
762 (when (file-exists-p database)
766 (defcustom gnus-article-mime-part-function nil
767 "Function called with a MIME handle as the argument.
768 This is meant for people who want to do something automatic based
769 on parts -- for instance, adding Vcard info to a database."
770 :group 'gnus-article-mime
773 (defcustom gnus-mime-multipart-functions nil
774 "An alist of MIME types to functions to display them."
776 :group 'gnus-article-mime
779 (defcustom gnus-article-date-lapsed-new-header nil
780 "Whether the X-Sent and Date headers can coexist.
781 When using `gnus-treat-date-lapsed', the \"X-Sent:\" header will
782 either replace the old \"Date:\" header (if this variable is nil), or
783 be added below it (otherwise)."
785 :group 'gnus-article-headers
788 (defcustom gnus-article-mime-match-handle-function 'undisplayed-alternative
789 "Function called with a MIME handle as the argument.
790 This is meant for people who want to view first matched part.
791 For `undisplayed-alternative' (default), the first undisplayed
792 part or alternative part is used. For `undisplayed', the first
793 undisplayed part is used. For a function, the first part which
794 the function return `t' is used. For `nil', the first part is
797 :group 'gnus-article-mime
799 (item :tag "first" :value nil)
800 (item :tag "undisplayed" :value undisplayed)
801 (item :tag "undisplayed or alternative"
802 :value undisplayed-alternative)
805 (defcustom gnus-mime-action-alist
806 '(("save to file" . gnus-mime-save-part)
807 ("save and strip" . gnus-mime-save-part-and-strip)
808 ("display as text" . gnus-mime-inline-part)
809 ("view the part" . gnus-mime-view-part)
810 ("pipe to command" . gnus-mime-pipe-part)
811 ("toggle display" . gnus-article-press-button)
812 ("toggle display" . gnus-article-view-part-as-charset)
813 ("view as type" . gnus-mime-view-part-as-type)
814 ("view internally" . gnus-mime-view-part-internally)
815 ("view externally" . gnus-mime-view-part-externally))
816 "An alist of actions that run on the MIME attachment."
817 :group 'gnus-article-mime
818 :type '(repeat (cons (string :tag "name")
822 ;;; The treatment variables
825 (defvar gnus-part-display-hook nil
826 "Hook called on parts that are to receive treatment.")
828 (defvar gnus-article-treat-custom
829 '(choice (const :tag "Off" nil)
831 (const :tag "Header" head)
832 (const :tag "Last" last)
833 (integer :tag "Less")
834 (repeat :tag "Groups" regexp)
835 (sexp :tag "Predicate")))
837 (defvar gnus-article-treat-head-custom
838 '(choice (const :tag "Off" nil)
839 (const :tag "Header" head)))
841 (defvar gnus-article-treat-types '("text/plain")
844 (defvar gnus-inhibit-treatment nil
845 "Whether to inhibit treatment.")
847 (defcustom gnus-treat-highlight-signature '(or last (typep "text/x-vcard"))
848 "Highlight the signature.
849 Valid values are nil, t, `head', `last', an integer or a predicate.
850 See Info node `(gnus)Customizing Articles'."
851 :group 'gnus-article-treat
852 :link '(custom-manual "(gnus)Customizing Articles")
853 :type gnus-article-treat-custom)
854 (put 'gnus-treat-highlight-signature 'highlight t)
856 (defcustom gnus-treat-buttonize 100000
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-buttonize 'highlight t)
865 (defcustom gnus-treat-buttonize-head 'head
866 "Add buttons to the head.
867 Valid values are nil, t, `head', `last', an integer or a predicate.
868 See Info node `(gnus)Customizing Articles' for details."
869 :group 'gnus-article-treat
870 :link '(custom-manual "(gnus)Customizing Articles")
871 :type gnus-article-treat-head-custom)
872 (put 'gnus-treat-buttonize-head 'highlight t)
874 (defcustom gnus-treat-emphasize
875 (and (or window-system
877 (>= (string-to-number emacs-version) 21))
880 Valid values are nil, t, `head', `last', an integer or a predicate.
881 See Info node `(gnus)Customizing Articles' for details."
882 :group 'gnus-article-treat
883 :link '(custom-manual "(gnus)Customizing Articles")
884 :type gnus-article-treat-custom)
885 (put 'gnus-treat-emphasize 'highlight t)
887 (defcustom gnus-treat-strip-cr nil
888 "Remove carriage returns.
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)
895 (defcustom gnus-treat-unsplit-urls nil
896 "Remove newlines from within URLs.
897 Valid values are nil, t, `head', `last', an integer or a predicate.
898 See Info node `(gnus)Customizing Articles' for details."
899 :group 'gnus-article-treat
900 :link '(custom-manual "(gnus)Customizing Articles")
901 :type gnus-article-treat-custom)
903 (defcustom gnus-treat-leading-whitespace nil
904 "Remove leading whitespace in headers.
905 Valid values are nil, t, `head', `last', an integer or a predicate.
906 See Info node `(gnus)Customizing Articles' for details."
907 :group 'gnus-article-treat
908 :link '(custom-manual "(gnus)Customizing Articles")
909 :type gnus-article-treat-custom)
911 (defcustom gnus-treat-hide-headers 'head
913 Valid values are nil, t, `head', `last', an integer or a predicate.
914 See Info node `(gnus)Customizing Articles' for details."
915 :group 'gnus-article-treat
916 :link '(custom-manual "(gnus)Customizing Articles")
917 :type gnus-article-treat-head-custom)
919 (defcustom gnus-treat-hide-boring-headers nil
920 "Hide boring headers.
921 Valid values are nil, t, `head', `last', an integer or a predicate.
922 See Info node `(gnus)Customizing Articles' for details."
923 :group 'gnus-article-treat
924 :link '(custom-manual "(gnus)Customizing Articles")
925 :type gnus-article-treat-head-custom)
927 (defcustom gnus-treat-hide-signature nil
929 Valid values are nil, t, `head', `last', an integer or a predicate.
930 See Info node `(gnus)Customizing Articles' for details."
931 :group 'gnus-article-treat
932 :link '(custom-manual "(gnus)Customizing Articles")
933 :type gnus-article-treat-custom)
935 (defcustom gnus-treat-fill-article nil
937 Valid values are nil, t, `head', `last', an integer or a predicate.
938 See Info node `(gnus)Customizing Articles' for details."
939 :group 'gnus-article-treat
940 :link '(custom-manual "(gnus)Customizing Articles")
941 :type gnus-article-treat-custom)
943 (defcustom gnus-treat-hide-citation nil
945 Valid values are nil, t, `head', `last', an integer or a predicate.
946 See Info node `(gnus)Customizing Articles' for details."
947 :group 'gnus-article-treat
948 :link '(custom-manual "(gnus)Customizing Articles")
949 :type gnus-article-treat-custom)
951 (defcustom gnus-treat-hide-citation-maybe nil
953 Valid values are nil, t, `head', `last', an integer or a predicate.
954 See Info node `(gnus)Customizing Articles' for details."
955 :group 'gnus-article-treat
956 :link '(custom-manual "(gnus)Customizing Articles")
957 :type gnus-article-treat-custom)
959 (defcustom gnus-treat-strip-list-identifiers 'head
960 "Strip list identifiers from `gnus-list-identifiers`.
961 Valid values are nil, t, `head', `last', an integer or a predicate.
962 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 (make-obsolete-variable 'gnus-treat-strip-pgp
969 "This option is obsolete in Gnus 5.10.")
971 (defcustom gnus-treat-strip-pem nil
972 "Strip PEM signatures.
973 Valid values are nil, t, `head', `last', an integer or a predicate.
974 See Info node `(gnus)Customizing Articles' for details."
975 :group 'gnus-article-treat
976 :link '(custom-manual "(gnus)Customizing Articles")
977 :type gnus-article-treat-custom)
979 (defcustom gnus-treat-strip-banner t
980 "Strip banners from articles.
981 The banner to be stripped is specified in the `banner' group parameter.
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-highlight-headers 'head
989 "Highlight the headers.
990 Valid values are nil, t, `head', `last', an integer or a predicate.
991 See Info node `(gnus)Customizing Articles' for details."
992 :group 'gnus-article-treat
993 :link '(custom-manual "(gnus)Customizing Articles")
994 :type gnus-article-treat-head-custom)
995 (put 'gnus-treat-highlight-headers 'highlight t)
997 (defcustom gnus-treat-highlight-citation t
998 "Highlight cited text.
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-custom)
1004 (put 'gnus-treat-highlight-citation 'highlight t)
1006 (defcustom gnus-treat-date-ut nil
1007 "Display the Date in UT (GMT).
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-head-custom)
1014 (defcustom gnus-treat-date-local nil
1015 "Display the Date in the local timezone.
1016 Valid values are nil, t, `head', `last', an integer or a predicate.
1017 See Info node `(gnus)Customizing Articles' for details."
1018 :group 'gnus-article-treat
1019 :link '(custom-manual "(gnus)Customizing Articles")
1020 :type gnus-article-treat-head-custom)
1022 (defcustom gnus-treat-date-english nil
1023 "Display the Date in a format that can be read aloud in English.
1024 Valid values are nil, t, `head', `last', an integer or a predicate.
1025 See Info node `(gnus)Customizing Articles' for details."
1026 :group 'gnus-article-treat
1027 :link '(custom-manual "(gnus)Customizing Articles")
1028 :type gnus-article-treat-head-custom)
1030 (defcustom gnus-treat-date-lapsed nil
1031 "Display the Date header in a way that says how much time has elapsed.
1032 Valid values are nil, t, `head', `last', an integer or a predicate.
1033 See Info node `(gnus)Customizing Articles' for details."
1034 :group 'gnus-article-treat
1035 :link '(custom-manual "(gnus)Customizing Articles")
1036 :type gnus-article-treat-head-custom)
1038 (defcustom gnus-treat-date-original nil
1039 "Display the date in the original timezone.
1040 Valid values are nil, t, `head', `last', an integer or a predicate.
1041 See Info node `(gnus)Customizing Articles' for details."
1042 :group 'gnus-article-treat
1043 :link '(custom-manual "(gnus)Customizing Articles")
1044 :type gnus-article-treat-head-custom)
1046 (defcustom gnus-treat-date-iso8601 nil
1047 "Display the date in the ISO8601 format.
1048 Valid values are nil, t, `head', `last', an integer or a predicate.
1049 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-user-defined nil
1056 "Display the date in a user-defined format.
1057 The format is defined by the `gnus-article-time-format' variable.
1058 Valid values are nil, t, `head', `last', an integer or a predicate.
1059 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-strip-headers-in-body t
1065 "Strip the X-No-Archive header line from the beginning of the body.
1066 Valid values are nil, t, `head', `last', an integer or a predicate.
1067 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-custom)
1073 (defcustom gnus-treat-strip-trailing-blank-lines nil
1074 "Strip trailing blank lines.
1075 Valid values are nil, t, `head', `last', an integer or a predicate.
1076 See Info node `(gnus)Customizing Articles' for details."
1077 :group 'gnus-article-treat
1078 :link '(custom-manual "(gnus)Customizing Articles")
1079 :type gnus-article-treat-custom)
1081 (defcustom gnus-treat-strip-leading-blank-lines nil
1082 "Strip leading blank lines.
1083 Valid values are nil, t, `head', `last', an integer or a predicate.
1084 See Info node `(gnus)Customizing Articles' for details."
1085 :group 'gnus-article-treat
1086 :link '(custom-manual "(gnus)Customizing Articles")
1087 :type gnus-article-treat-custom)
1089 (defcustom gnus-treat-strip-multiple-blank-lines nil
1090 "Strip multiple blank lines.
1091 Valid values are nil, t, `head', `last', an integer or a predicate.
1092 See Info node `(gnus)Customizing Articles' for details."
1093 :group 'gnus-article-treat
1094 :link '(custom-manual "(gnus)Customizing Articles")
1095 :type gnus-article-treat-custom)
1097 (defcustom gnus-treat-unfold-headers 'head
1098 "Unfold folded header lines.
1099 Valid values are nil, t, `head', `last', an integer or a predicate.
1100 See Info node `(gnus)Customizing Articles' for details."
1101 :group 'gnus-article-treat
1102 :link '(custom-manual "(gnus)Customizing Articles")
1103 :type gnus-article-treat-custom)
1105 (defcustom gnus-treat-fold-headers nil
1107 Valid values are nil, t, `head', `last', an integer or a predicate.
1108 See Info node `(gnus)Customizing Articles' for details."
1109 :group 'gnus-article-treat
1110 :link '(custom-manual "(gnus)Customizing Articles")
1111 :type gnus-article-treat-custom)
1113 (defcustom gnus-treat-fold-newsgroups 'head
1114 "Fold the Newsgroups and Followup-To headers.
1115 Valid values are nil, t, `head', `last', an integer or a predicate.
1116 See Info node `(gnus)Customizing Articles' for details."
1117 :group 'gnus-article-treat
1118 :link '(custom-manual "(gnus)Customizing Articles")
1119 :type gnus-article-treat-custom)
1121 (defcustom gnus-treat-overstrike t
1122 "Treat overstrike highlighting.
1123 Valid values are nil, t, `head', `last', an integer or a predicate.
1124 See Info node `(gnus)Customizing Articles' for details."
1125 :group 'gnus-article-treat
1126 :link '(custom-manual "(gnus)Customizing Articles")
1127 :type gnus-article-treat-custom)
1128 (put 'gnus-treat-overstrike 'highlight t)
1130 (defcustom gnus-treat-display-xface
1131 (and (not noninteractive)
1132 (or (and (fboundp 'image-type-available-p)
1133 (image-type-available-p 'xbm)
1134 (string-match "^0x" (shell-command-to-string "uncompface")))
1135 (and (featurep 'xemacs)
1138 "Display X-Face headers.
1139 Valid values are nil, t, `head', `last', an integer or a predicate.
1140 See Info node `(gnus)Customizing Articles' and Info node
1141 `(gnus)X-Face' for details."
1142 :group 'gnus-article-treat
1144 :link '(custom-manual "(gnus)Customizing Articles")
1145 :link '(custom-manual "(gnus)X-Face")
1146 :type gnus-article-treat-head-custom)
1147 (put 'gnus-treat-display-xface 'highlight t)
1149 (defcustom gnus-treat-display-face
1150 (and (not noninteractive)
1151 (or (and (fboundp 'image-type-available-p)
1152 (image-type-available-p 'png))
1153 (and (featurep 'xemacs)
1156 "Display Face headers.
1157 Valid values are nil, t, `head', `last', an integer or a predicate.
1158 See Info node `(gnus)Customizing Articles' and Info node
1159 `(gnus)X-Face' for details."
1160 :group 'gnus-article-treat
1162 :link '(custom-manual "(gnus)Customizing Articles")
1163 :link '(custom-manual "(gnus)X-Face")
1164 :type gnus-article-treat-head-custom)
1165 (put 'gnus-treat-display-xface 'highlight t)
1167 (defcustom gnus-treat-display-grey-xface
1168 (and (not noninteractive)
1169 (string-match "^0x" (shell-command-to-string "uncompface"))
1171 "Display grey X-Face headers.
1172 Valid values are nil, t."
1173 :group 'gnus-article-treat
1176 (put 'gnus-treat-display-grey-xface 'highlight t)
1178 (defcustom gnus-treat-display-smileys
1179 (if (or (and (featurep 'xemacs)
1181 (and (fboundp 'image-type-available-p)
1182 (image-type-available-p 'pbm)))
1185 Valid values are nil, t, `head', `last', an integer or a predicate.
1186 See Info node `(gnus)Customizing Articles' and Info node
1187 `(gnus)Smileys' for details."
1188 :group 'gnus-article-treat
1190 :link '(custom-manual "(gnus)Customizing Articles")
1191 :link '(custom-manual "(gnus)Smileys")
1192 :type gnus-article-treat-custom)
1193 (put 'gnus-treat-display-smileys 'highlight t)
1195 (defcustom gnus-treat-from-picon
1196 (if (and (gnus-image-type-available-p 'xpm)
1197 (gnus-picons-installed-p))
1199 "Display picons in the From header.
1200 Valid values are nil, t, `head', `last', an integer or a predicate.
1201 See Info node `(gnus)Customizing Articles' and Info node
1202 `(gnus)Picons' for details."
1203 :group 'gnus-article-treat
1205 :link '(custom-manual "(gnus)Customizing Articles")
1206 :link '(custom-manual "(gnus)Picons")
1207 :type gnus-article-treat-head-custom)
1208 (put 'gnus-treat-from-picon 'highlight t)
1210 (defcustom gnus-treat-mail-picon
1211 (if (and (gnus-image-type-available-p 'xpm)
1212 (gnus-picons-installed-p))
1214 "Display picons in To and Cc headers.
1215 Valid values are nil, t, `head', `last', an integer or a predicate.
1216 See Info node `(gnus)Customizing Articles' and Info node
1217 `(gnus)Picons' for details."
1218 :group 'gnus-article-treat
1220 :link '(custom-manual "(gnus)Customizing Articles")
1221 :link '(custom-manual "(gnus)Picons")
1222 :type gnus-article-treat-head-custom)
1223 (put 'gnus-treat-mail-picon 'highlight t)
1225 (defcustom gnus-treat-newsgroups-picon
1226 (if (and (gnus-image-type-available-p 'xpm)
1227 (gnus-picons-installed-p))
1229 "Display picons in the Newsgroups and Followup-To headers.
1230 Valid values are nil, t, `head', `last', an integer or a predicate.
1231 See Info node `(gnus)Customizing Articles' and Info node
1232 `(gnus)Picons' for details."
1233 :group 'gnus-article-treat
1235 :link '(custom-manual "(gnus)Customizing Articles")
1236 :link '(custom-manual "(gnus)Picons")
1237 :type gnus-article-treat-head-custom)
1238 (put 'gnus-treat-newsgroups-picon 'highlight t)
1240 (defcustom gnus-treat-body-boundary
1241 (if (or gnus-treat-newsgroups-picon
1242 gnus-treat-mail-picon
1243 gnus-treat-from-picon)
1245 "Draw a boundary at the end of the headers.
1246 Valid values are nil, t, `head', `last', an integer or a predicate.
1247 See Info node `(gnus)Customizing Articles' for details."
1249 :group 'gnus-article-treat
1250 :link '(custom-manual "(gnus)Customizing Articles")
1251 :type gnus-article-treat-custom)
1253 (defcustom gnus-treat-capitalize-sentences nil
1254 "Capitalize sentence-starting words.
1255 Valid values are nil, t, `head', `last', an integer or a predicate.
1256 See Info node `(gnus)Customizing Articles' for details."
1258 :group 'gnus-article-treat
1259 :link '(custom-manual "(gnus)Customizing Articles")
1260 :type gnus-article-treat-custom)
1262 (defcustom gnus-treat-wash-html nil
1264 Valid values are nil, t, `head', `last', an integer or a predicate.
1265 See Info node `(gnus)Customizing Articles' for details."
1266 :group 'gnus-article-treat
1267 :link '(custom-manual "(gnus)Customizing Articles")
1268 :type gnus-article-treat-custom)
1270 (defcustom gnus-treat-fill-long-lines nil
1272 Valid values are nil, t, `head', `last', an integer or a predicate.
1273 See Info node `(gnus)Customizing Articles' for details."
1274 :group 'gnus-article-treat
1275 :link '(custom-manual "(gnus)Customizing Articles")
1276 :type gnus-article-treat-custom)
1278 (defcustom gnus-treat-play-sounds nil
1280 Valid values are nil, t, `head', `last', an integer or a predicate.
1281 See Info node `(gnus)Customizing Articles' for details."
1283 :group 'gnus-article-treat
1284 :link '(custom-manual "(gnus)Customizing Articles")
1285 :type gnus-article-treat-custom)
1287 (defcustom gnus-treat-translate nil
1288 "Translate articles from one language to another.
1289 Valid values are nil, t, `head', `last', an integer or a predicate.
1290 See Info node `(gnus)Customizing Articles' for details."
1292 :group 'gnus-article-treat
1293 :link '(custom-manual "(gnus)Customizing Articles")
1294 :type gnus-article-treat-custom)
1296 (defcustom gnus-treat-x-pgp-sig nil
1298 To automatically treat X-PGP-Sig, set it to head.
1299 Valid values are nil, t, `head', `last', an integer or a predicate.
1300 See Info node `(gnus)Customizing Articles' for details."
1301 :group 'gnus-article-treat
1302 :group 'mime-security
1303 :link '(custom-manual "(gnus)Customizing Articles")
1304 :type gnus-article-treat-custom)
1306 (defvar gnus-article-encrypt-protocol-alist
1307 '(("PGP" . mml2015-self-encrypt)))
1309 ;; Set to nil if more than one protocol added to
1310 ;; gnus-article-encrypt-protocol-alist.
1311 (defcustom gnus-article-encrypt-protocol "PGP"
1312 "The protocol used for encrypt articles.
1313 It is a string, such as \"PGP\". If nil, ask user."
1315 :group 'mime-security)
1317 (defvar gnus-article-wash-function nil
1318 "Function used for converting HTML into text.")
1320 ;;; Internal variables
1322 (defvar gnus-english-month-names
1323 '("January" "February" "March" "April" "May" "June" "July" "August"
1324 "September" "October" "November" "December"))
1326 (defvar article-goto-body-goes-to-point-min-p nil)
1327 (defvar gnus-article-wash-types nil)
1328 (defvar gnus-article-emphasis-alist nil)
1329 (defvar gnus-article-image-alist nil)
1331 (defvar gnus-article-mime-handle-alist-1 nil)
1332 (defvar gnus-treatment-function-alist
1333 '((gnus-treat-x-pgp-sig gnus-article-verify-x-pgp-sig)
1334 (gnus-treat-strip-banner gnus-article-strip-banner)
1335 (gnus-treat-strip-headers-in-body gnus-article-strip-headers-in-body)
1336 (gnus-treat-highlight-signature gnus-article-highlight-signature)
1337 (gnus-treat-buttonize gnus-article-add-buttons)
1338 (gnus-treat-fill-article gnus-article-fill-cited-article)
1339 (gnus-treat-fill-long-lines gnus-article-fill-long-lines)
1340 (gnus-treat-strip-cr gnus-article-remove-cr)
1341 (gnus-treat-unsplit-urls gnus-article-unsplit-urls)
1342 (gnus-treat-date-ut gnus-article-date-ut)
1343 (gnus-treat-date-local gnus-article-date-local)
1344 (gnus-treat-date-english gnus-article-date-english)
1345 (gnus-treat-date-lapsed gnus-article-date-lapsed)
1346 (gnus-treat-date-original gnus-article-date-original)
1347 (gnus-treat-date-user-defined gnus-article-date-user)
1348 (gnus-treat-date-iso8601 gnus-article-date-iso8601)
1349 (gnus-treat-display-xface gnus-article-display-x-face)
1350 (gnus-treat-display-face gnus-article-display-face)
1351 (gnus-treat-hide-headers gnus-article-maybe-hide-headers)
1352 (gnus-treat-hide-boring-headers gnus-article-hide-boring-headers)
1353 (gnus-treat-hide-signature gnus-article-hide-signature)
1354 (gnus-treat-strip-list-identifiers gnus-article-hide-list-identifiers)
1355 (gnus-treat-leading-whitespace gnus-article-remove-leading-whitespace)
1356 (gnus-treat-strip-pem gnus-article-hide-pem)
1357 (gnus-treat-from-picon gnus-treat-from-picon)
1358 (gnus-treat-mail-picon gnus-treat-mail-picon)
1359 (gnus-treat-newsgroups-picon gnus-treat-newsgroups-picon)
1360 (gnus-treat-highlight-headers gnus-article-highlight-headers)
1361 (gnus-treat-highlight-signature gnus-article-highlight-signature)
1362 (gnus-treat-strip-trailing-blank-lines
1363 gnus-article-remove-trailing-blank-lines)
1364 (gnus-treat-strip-leading-blank-lines
1365 gnus-article-strip-leading-blank-lines)
1366 (gnus-treat-strip-multiple-blank-lines
1367 gnus-article-strip-multiple-blank-lines)
1368 (gnus-treat-overstrike gnus-article-treat-overstrike)
1369 (gnus-treat-unfold-headers gnus-article-treat-unfold-headers)
1370 (gnus-treat-fold-headers gnus-article-treat-fold-headers)
1371 (gnus-treat-fold-newsgroups gnus-article-treat-fold-newsgroups)
1372 (gnus-treat-buttonize-head gnus-article-add-buttons-to-head)
1373 (gnus-treat-display-smileys gnus-treat-smiley)
1374 (gnus-treat-capitalize-sentences gnus-article-capitalize-sentences)
1375 (gnus-treat-wash-html gnus-article-wash-html)
1376 (gnus-treat-emphasize gnus-article-emphasize)
1377 (gnus-treat-hide-citation gnus-article-hide-citation)
1378 (gnus-treat-hide-citation-maybe gnus-article-hide-citation-maybe)
1379 (gnus-treat-highlight-citation gnus-article-highlight-citation)
1380 (gnus-treat-body-boundary gnus-article-treat-body-boundary)
1381 (gnus-treat-play-sounds gnus-earcon-display)))
1383 (defvar gnus-article-mime-handle-alist nil)
1384 (defvar article-lapsed-timer nil)
1385 (defvar gnus-article-current-summary nil)
1387 (defvar gnus-article-mode-syntax-table
1388 (let ((table (copy-syntax-table text-mode-syntax-table)))
1389 ;; This causes the citation match run O(2^n).
1390 ;; (modify-syntax-entry ?- "w" table)
1391 (modify-syntax-entry ?> ")<" table)
1392 (modify-syntax-entry ?< "(>" table)
1393 ;; make M-. in article buffers work for `foo' strings
1394 (modify-syntax-entry ?' " " table)
1395 (modify-syntax-entry ?` " " table)
1397 "Syntax table used in article mode buffers.
1398 Initialized from `text-mode-syntax-table.")
1400 (defvar gnus-save-article-buffer nil)
1402 (defvar gnus-article-mode-line-format-alist
1403 (nconc '((?w (gnus-article-wash-status) ?s)
1404 (?m (gnus-article-mime-part-status) ?s))
1405 gnus-summary-mode-line-format-alist))
1407 (defvar gnus-number-of-articles-to-be-saved nil)
1409 (defvar gnus-inhibit-hiding nil)
1411 ;;; Macros for dealing with the article buffer.
1413 (defmacro gnus-with-article-headers (&rest forms)
1415 (set-buffer gnus-article-buffer)
1417 (let ((buffer-read-only nil)
1418 (inhibit-point-motion-hooks t)
1419 (case-fold-search t))
1420 (article-narrow-to-head)
1423 (put 'gnus-with-article-headers 'lisp-indent-function 0)
1424 (put 'gnus-with-article-headers 'edebug-form-spec '(body))
1426 (defmacro gnus-with-article-buffer (&rest forms)
1428 (set-buffer gnus-article-buffer)
1429 (let ((buffer-read-only nil))
1432 (put 'gnus-with-article-buffer 'lisp-indent-function 0)
1433 (put 'gnus-with-article-buffer 'edebug-form-spec '(body))
1435 (defun gnus-article-goto-header (header)
1436 "Go to HEADER, which is a regular expression."
1437 (re-search-forward (concat "^\\(" header "\\):") nil t))
1439 (defsubst gnus-article-hide-text (b e props)
1440 "Set text PROPS on the B to E region, extending `intangible' 1 past B."
1441 (gnus-add-text-properties-when 'article-type nil b e props)
1442 (when (memq 'intangible props)
1444 (max (1- b) (point-min))
1445 b 'intangible (cddr (memq 'intangible props)))))
1447 (defsubst gnus-article-unhide-text (b e)
1448 "Remove hidden text properties from region between B and E."
1449 (remove-text-properties b e gnus-hidden-properties)
1450 (when (memq 'intangible gnus-hidden-properties)
1451 (put-text-property (max (1- b) (point-min))
1452 b 'intangible nil)))
1454 (defun gnus-article-hide-text-type (b e type)
1455 "Hide text of TYPE between B and E."
1456 (gnus-add-wash-type type)
1457 (gnus-article-hide-text
1458 b e (cons 'article-type (cons type gnus-hidden-properties))))
1460 (defun gnus-article-unhide-text-type (b e type)
1461 "Unhide text of TYPE between B and E."
1462 (gnus-delete-wash-type type)
1463 (remove-text-properties
1464 b e (cons 'article-type (cons type gnus-hidden-properties)))
1465 (when (memq 'intangible gnus-hidden-properties)
1466 (put-text-property (max (1- b) (point-min))
1467 b 'intangible nil)))
1469 (defun gnus-article-hide-text-of-type (type)
1470 "Hide text of TYPE in the current buffer."
1472 (let ((b (point-min))
1474 (while (setq b (text-property-any b e 'article-type type))
1475 (add-text-properties b (incf b) gnus-hidden-properties)))))
1477 (defun gnus-article-delete-text-of-type (type)
1478 "Delete text of TYPE in the current buffer."
1480 (let ((b (point-min)))
1481 (while (setq b (text-property-any b (point-max) 'article-type type))
1483 b (or (text-property-not-all b (point-max) 'article-type type)
1486 (defun gnus-article-delete-invisible-text ()
1487 "Delete all invisible text in the current buffer."
1489 (let ((b (point-min)))
1490 (while (setq b (text-property-any b (point-max) 'invisible t))
1492 b (or (text-property-not-all b (point-max) 'invisible t)
1495 (defun gnus-article-text-type-exists-p (type)
1496 "Say whether any text of type TYPE exists in the buffer."
1497 (text-property-any (point-min) (point-max) 'article-type type))
1499 (defsubst gnus-article-header-rank ()
1500 "Give the rank of the string HEADER as given by `gnus-sorted-header-list'."
1501 (let ((list gnus-sorted-header-list)
1504 (if (looking-at (car list))
1506 (setq list (cdr list))
1510 (defun article-hide-headers (&optional arg delete)
1511 "Hide unwanted headers and possibly sort them as well."
1513 ;; This function might be inhibited.
1514 (unless gnus-inhibit-hiding
1517 (let ((buffer-read-only nil)
1518 (case-fold-search t)
1519 (max (1+ (length gnus-sorted-header-list)))
1520 (ignored (when (not gnus-visible-headers)
1521 (cond ((stringp gnus-ignored-headers)
1522 gnus-ignored-headers)
1523 ((listp gnus-ignored-headers)
1524 (mapconcat 'identity gnus-ignored-headers
1527 (cond ((stringp gnus-visible-headers)
1528 gnus-visible-headers)
1529 ((and gnus-visible-headers
1530 (listp gnus-visible-headers))
1531 (mapconcat 'identity gnus-visible-headers "\\|"))))
1532 (inhibit-point-motion-hooks t)
1534 ;; First we narrow to just the headers.
1535 (article-narrow-to-head)
1536 ;; Hide any "From " lines at the beginning of (mail) articles.
1537 (while (looking-at "From ")
1540 (delete-region (point-min) (point)))
1541 ;; Then treat the rest of the header lines.
1542 ;; Then we use the two regular expressions
1543 ;; `gnus-ignored-headers' and `gnus-visible-headers' to
1544 ;; select which header lines is to remain visible in the
1546 (while (re-search-forward "^[^ \t:]*:" nil t)
1548 ;; Mark the rank of the header.
1550 (point) (1+ (point)) 'message-rank
1551 (if (or (and visible (looking-at visible))
1553 (not (looking-at ignored))))
1554 (gnus-article-header-rank)
1557 (message-sort-headers-1)
1558 (when (setq beg (text-property-any
1559 (point-min) (point-max) 'message-rank (+ 2 max)))
1560 ;; We delete the unwanted headers.
1561 (gnus-add-wash-type 'headers)
1562 (add-text-properties (point-min) (+ 5 (point-min))
1563 '(article-type headers dummy-invisible t))
1564 (delete-region beg (point-max))))))))
1566 (defun article-hide-boring-headers (&optional arg)
1567 "Toggle hiding of headers that aren't very interesting.
1568 If given a negative prefix, always show; if given a positive prefix,
1570 (interactive (gnus-article-hidden-arg))
1571 (when (and (not (gnus-article-check-hidden-text 'boring-headers arg))
1572 (not gnus-show-all-headers))
1575 (let ((buffer-read-only nil)
1576 (list gnus-boring-article-headers)
1577 (inhibit-point-motion-hooks t)
1579 (article-narrow-to-head)
1581 (setq elem (pop list))
1582 (goto-char (point-min))
1584 ;; Hide empty headers.
1586 (while (re-search-forward "^[^: \t]+:[ \t]*\n[^ \t]" nil t)
1588 (gnus-article-hide-text-type
1589 (progn (beginning-of-line) (point))
1592 (if (re-search-forward "^[^ \t]" nil t)
1596 ;; Hide boring Newsgroups header.
1597 ((eq elem 'newsgroups)
1598 (when (gnus-string-equal
1599 (gnus-fetch-field "newsgroups")
1600 (gnus-group-real-name
1601 (if (boundp 'gnus-newsgroup-name)
1604 (gnus-article-hide-header "newsgroups")))
1605 ((eq elem 'to-address)
1606 (let ((to (message-fetch-field "to"))
1608 (gnus-parameter-to-address
1609 (if (boundp 'gnus-newsgroup-name)
1610 gnus-newsgroup-name ""))))
1611 (when (and to to-address
1614 ;; only one address in To
1615 (nth 1 (mail-extract-address-components to))
1617 (gnus-article-hide-header "to"))))
1618 ((eq elem 'followup-to)
1619 (when (gnus-string-equal
1620 (message-fetch-field "followup-to")
1621 (message-fetch-field "newsgroups"))
1622 (gnus-article-hide-header "followup-to")))
1623 ((eq elem 'reply-to)
1624 (let ((from (message-fetch-field "from"))
1625 (reply-to (message-fetch-field "reply-to")))
1630 (nth 1 (mail-extract-address-components from))
1631 (nth 1 (mail-extract-address-components reply-to)))))
1632 (gnus-article-hide-header "reply-to"))))
1634 (let ((date (message-fetch-field "date")))
1636 (< (days-between (current-time-string) date)
1638 (gnus-article-hide-header "date"))))
1640 (let ((to (message-fetch-field "to"))
1641 (cc (message-fetch-field "cc")))
1642 (when (> (length to) 1024)
1643 (gnus-article-hide-header "to"))
1644 (when (> (length cc) 1024)
1645 (gnus-article-hide-header "cc"))))
1649 (goto-char (point-min))
1650 (while (re-search-forward "^to:" nil t)
1651 (setq to-count (1+ to-count)))
1652 (when (> to-count 1)
1653 (while (> to-count 0)
1654 (goto-char (point-min))
1656 (re-search-forward "^to:" nil nil to-count)
1658 (narrow-to-region (point) (point-max))
1659 (gnus-article-hide-header "to"))
1660 (setq to-count (1- to-count))))
1661 (goto-char (point-min))
1662 (while (re-search-forward "^cc:" nil t)
1663 (setq cc-count (1+ cc-count)))
1664 (when (> cc-count 1)
1665 (while (> cc-count 0)
1666 (goto-char (point-min))
1668 (re-search-forward "^cc:" nil nil cc-count)
1670 (narrow-to-region (point) (point-max))
1671 (gnus-article-hide-header "cc"))
1672 (setq cc-count (1- cc-count)))))))))))))
1674 (defun gnus-article-hide-header (header)
1676 (goto-char (point-min))
1677 (when (re-search-forward (concat "^" header ":") nil t)
1678 (gnus-article-hide-text-type
1679 (progn (beginning-of-line) (point))
1682 (if (re-search-forward "^[^ \t]" nil t)
1687 (defvar gnus-article-normalized-header-length 40
1688 "Length of normalized headers.")
1690 (defun article-normalize-headers ()
1691 "Make all header lines 40 characters long."
1693 (let ((buffer-read-only nil)
1697 (article-narrow-to-head)
1700 ((< (setq column (- (gnus-point-at-eol) (point)))
1701 gnus-article-normalized-header-length)
1703 (insert (make-string
1704 (- gnus-article-normalized-header-length column)
1706 ((> column gnus-article-normalized-header-length)
1707 (gnus-put-text-property
1709 (forward-char gnus-article-normalized-header-length)
1716 (forward-line 1))))))
1718 (defun article-treat-dumbquotes ()
1719 "Translate M****s*** sm*rtq**t*s into proper text.
1720 Note that this function guesses whether a character is a sm*rtq**t* or
1721 not, so it should only be used interactively.
1723 Sm*rtq**t*s are M****s***'s unilateral extension to the character map
1724 in an attempt to provide more quoting characters. If you see
1725 something like \\222 or \\264 where you're expecting some kind of
1726 apostrophe or quotation mark, then try this wash."
1728 (article-translate-strings gnus-article-dumbquotes-map))
1730 (defun article-translate-characters (from to)
1731 "Translate all characters in the body of the article according to FROM and TO.
1732 FROM is a string of characters to translate from; to is a string of
1733 characters to translate to."
1735 (when (article-goto-body)
1736 (let ((buffer-read-only nil)
1737 (x (make-string 225 ?x))
1739 (while (< (incf i) (length x))
1742 (while (< i (length from))
1743 (aset x (aref from i) (aref to i))
1745 (translate-region (point) (point-max) x)))))
1747 (defun article-translate-strings (map)
1748 "Translate all string in the body of the article according to MAP.
1749 MAP is an alist where the elements are on the form (\"from\" \"to\")."
1751 (when (article-goto-body)
1752 (let ((buffer-read-only nil)
1754 (while (setq elem (pop map))
1756 (while (search-forward (car elem) nil t)
1757 (replace-match (cadr elem)))))))))
1759 (defun article-treat-overstrike ()
1760 "Translate overstrikes into bold text."
1763 (when (article-goto-body)
1764 (let ((buffer-read-only nil))
1765 (while (search-forward "\b" nil t)
1766 (let ((next (char-after))
1767 (previous (char-after (- (point) 2))))
1768 ;; We do the boldification/underlining by hiding the
1769 ;; overstrikes and putting the proper text property
1773 (gnus-article-hide-text-type (- (point) 2) (point) 'overstrike)
1774 (put-text-property (point) (1+ (point)) 'face 'bold))
1776 (gnus-article-hide-text-type
1777 (1- (point)) (1+ (point)) 'overstrike)
1779 (- (point) 2) (1- (point)) 'face 'underline))
1781 (gnus-article-hide-text-type (- (point) 2) (point) 'overstrike)
1783 (point) (1+ (point)) 'face 'underline)))))))))
1785 (defun gnus-article-treat-unfold-headers ()
1786 "Unfold folded message headers.
1787 Only the headers that fit into the current window width will be
1790 (gnus-with-article-headers
1794 (mail-header-narrow-to-field)
1795 (let ((header (buffer-substring (point-min) (point-max))))
1798 (goto-char (point-min))
1799 (while (re-search-forward "\n[\t ]" nil t)
1800 (replace-match " " t t)))
1801 (setq length (- (point-max) (point-min) 1)))
1802 (when (< length (window-width))
1803 (while (re-search-forward "\n[\t ]" nil t)
1804 (replace-match " " t t)))
1805 (goto-char (point-max)))))))
1807 (defun gnus-article-treat-fold-headers ()
1808 "Fold message headers."
1810 (gnus-with-article-headers
1813 (mail-header-narrow-to-field)
1814 (mail-header-fold-field)
1815 (goto-char (point-max))))))
1817 (defun gnus-treat-smiley ()
1818 "Toggle display of textual emoticons (\"smileys\") as small graphical icons."
1820 (gnus-with-article-buffer
1821 (if (memq 'smiley gnus-article-wash-types)
1822 (gnus-delete-images 'smiley)
1824 (let ((images (smiley-region (point) (point-max))))
1826 (gnus-add-wash-type 'smiley)
1827 (dolist (image images)
1828 (gnus-add-image 'smiley image)))))))
1830 (defun gnus-article-remove-images ()
1831 "Remove all images from the article buffer."
1833 (gnus-with-article-buffer
1834 (dolist (elem gnus-article-image-alist)
1835 (gnus-delete-images (car elem)))))
1837 (defun gnus-article-treat-fold-newsgroups ()
1838 "Unfold folded message headers.
1839 Only the headers that fit into the current window width will be
1842 (gnus-with-article-headers
1843 (while (gnus-article-goto-header "newsgroups\\|followup-to")
1845 (mail-header-narrow-to-field)
1846 (while (re-search-forward ", *" nil t)
1847 (replace-match ", " t t))
1848 (mail-header-fold-field)
1849 (goto-char (point-max))))))
1851 (defun gnus-article-treat-body-boundary ()
1852 "Place a boundary line at the end of the headers."
1854 (when (and gnus-body-boundary-delimiter
1855 (> (length gnus-body-boundary-delimiter) 0))
1856 (gnus-with-article-headers
1857 (goto-char (point-max))
1858 (let ((start (point)))
1859 (insert "X-Boundary: ")
1860 (gnus-add-text-properties start (point) '(invisible t intangible t))
1862 (while (>= (1- (window-width)) (length str))
1863 (setq str (concat str gnus-body-boundary-delimiter)))
1864 (substring str 0 (1- (window-width))))
1866 (gnus-put-text-property start (point) 'gnus-decoration 'header)))))
1868 (defun article-fill-long-lines ()
1869 "Fill lines that are wider than the window width."
1872 (let ((buffer-read-only nil)
1873 (width (window-width (get-buffer-window (current-buffer)))))
1876 (let ((adaptive-fill-mode nil)) ;Why? -sm
1879 (when (>= (current-column) (min fill-column width))
1880 (narrow-to-region (min (1+ (point)) (point-max)) (gnus-point-at-bol))
1881 (let ((goback (point-marker)))
1882 (fill-paragraph nil)
1883 (goto-char (marker-position goback)))
1885 (forward-line 1)))))))
1887 (defun article-capitalize-sentences ()
1888 "Capitalize the first word in each sentence."
1891 (let ((buffer-read-only nil)
1892 (paragraph-start "^[\n\^L]"))
1896 (forward-sentence)))))
1898 (defun article-remove-cr ()
1899 "Remove trailing CRs and then translate remaining CRs into LFs."
1902 (let ((buffer-read-only nil))
1903 (goto-char (point-min))
1904 (while (re-search-forward "\r+$" nil t)
1905 (replace-match "" t t))
1906 (goto-char (point-min))
1907 (while (search-forward "\r" nil t)
1908 (replace-match "\n" t t)))))
1910 (defun article-remove-trailing-blank-lines ()
1911 "Remove all trailing blank lines from the article."
1914 (let ((buffer-read-only nil))
1915 (goto-char (point-max))
1919 (while (and (not (bobp))
1920 (looking-at "^[ \t]*$")
1921 (not (gnus-annotation-in-region-p
1922 (point) (gnus-point-at-eol))))
1927 (defun article-display-face ()
1928 "Display any Face headers in the header."
1930 (gnus-with-article-headers
1933 (when (gnus-buffer-live-p gnus-original-article-buffer)
1934 (set-buffer gnus-original-article-buffer)
1935 (setq face (message-fetch-field "face"))))
1937 (let ((png (gnus-convert-face-to-png face))
1940 (setq image (gnus-create-image png 'png t))
1941 (gnus-article-goto-header "from")
1943 (insert "From: [no `from' set]\n")
1945 (gnus-add-wash-type 'face)
1946 (gnus-add-image 'face image)
1947 (gnus-put-image image)))))))
1949 (defun article-display-x-face (&optional force)
1950 "Look for an X-Face header and display it if present."
1951 (interactive (list 'force))
1952 (let ((wash-face-p buffer-read-only)) ;; When type `W f'
1953 (gnus-with-article-headers
1954 ;; Delete the old process, if any.
1955 (when (process-status "article-x-face")
1956 (delete-process "article-x-face"))
1957 (if (memq 'xface gnus-article-wash-types)
1958 ;; We have already displayed X-Faces, so we remove them
1960 (gnus-delete-images 'xface)
1962 (let (x-faces from face grey)
1964 (when (and wash-face-p
1966 (goto-char (point-min))
1967 (not (re-search-forward
1968 "^X-Face\\(-[0-9]+\\)?:[\t ]*" nil t)))
1969 (gnus-buffer-live-p gnus-original-article-buffer))
1970 ;; If type `W f', use gnus-original-article-buffer,
1971 ;; otherwise use the current buffer because displaying
1972 ;; RFC822 parts calls this function too.
1973 (set-buffer gnus-original-article-buffer))
1975 (mail-narrow-to-head)
1976 (if gnus-treat-display-grey-xface
1978 (while (gnus-article-goto-header "X-Face\\(-[0-9]+\\)?")
1979 (if (match-beginning 2)
1982 (push (cons (- (string-to-number (match-string 2)))
1983 (mail-header-field-value))
1985 (push (cons 0 (mail-header-field-value)) x-faces)))
1986 (dolist (x-face (prog1
1988 (sort x-faces 'car-less-than-car)
1990 (setq x-faces nil)))
1991 (push (cdr x-face) x-faces)))
1992 (while (gnus-article-goto-header "X-Face")
1993 (push (mail-header-field-value) x-faces)))
1994 (setq from (message-fetch-field "from"))))
1996 (let ((xpm (gnus-convert-gray-x-face-to-xpm x-faces))
1999 (setq image (gnus-create-image xpm 'xpm t))
2000 (gnus-article-goto-header "from")
2002 (insert "From: [no `from' set]\n")
2004 (gnus-add-wash-type 'xface)
2005 (gnus-add-image 'xface image)
2006 (gnus-put-image image)))
2007 ;; Sending multiple EOFs to xv doesn't work, so we only do a
2008 ;; single external face.
2009 (when (stringp gnus-article-x-face-command)
2010 (setq x-faces (list (car x-faces))))
2011 (while (and (setq face (pop x-faces))
2012 gnus-article-x-face-command
2014 ;; Check whether this face is censored.
2015 (not gnus-article-x-face-too-ugly)
2016 (and gnus-article-x-face-too-ugly from
2017 (not (string-match gnus-article-x-face-too-ugly
2019 ;; We display the face.
2020 (if (symbolp gnus-article-x-face-command)
2021 ;; The command is a lisp function, so we call it.
2022 (if (gnus-functionp gnus-article-x-face-command)
2023 (funcall gnus-article-x-face-command face)
2024 (error "%s is not a function" gnus-article-x-face-command))
2025 ;; The command is a string, so we interpret the command
2026 ;; as a, well, command, and fork it off.
2027 (let ((process-connection-type nil))
2028 (process-kill-without-query
2030 "article-x-face" nil shell-file-name shell-command-switch
2031 gnus-article-x-face-command))
2034 (process-send-region "article-x-face"
2035 (point-min) (point-max)))
2036 (process-send-eof "article-x-face"))))))))))
2038 (defun article-decode-mime-words ()
2039 "Decode all MIME-encoded words in the article."
2042 (set-buffer gnus-article-buffer)
2043 (let ((inhibit-point-motion-hooks t)
2045 (mail-parse-charset gnus-newsgroup-charset)
2046 (mail-parse-ignored-charsets
2047 (save-excursion (set-buffer gnus-summary-buffer)
2048 gnus-newsgroup-ignored-charsets)))
2049 (mail-decode-encoded-word-region (point-min) (point-max)))))
2051 (defun article-decode-charset (&optional prompt)
2052 "Decode charset-encoded text in the article.
2053 If PROMPT (the prefix), prompt for a coding system to use."
2055 (let ((inhibit-point-motion-hooks t) (case-fold-search t)
2057 (mail-parse-charset gnus-newsgroup-charset)
2058 (mail-parse-ignored-charsets
2059 (save-excursion (condition-case nil
2060 (set-buffer gnus-summary-buffer)
2062 gnus-newsgroup-ignored-charsets))
2063 ct cte ctl charset format)
2066 (article-narrow-to-head)
2067 (setq ct (message-fetch-field "Content-Type" t)
2068 cte (message-fetch-field "Content-Transfer-Encoding" t)
2069 ctl (and ct (ignore-errors
2070 (mail-header-parse-content-type ct)))
2073 (mm-read-coding-system "Charset to decode: "))
2075 (mail-content-type-get ctl 'charset)))
2076 format (and ctl (mail-content-type-get ctl 'format)))
2078 (setq cte (mail-header-strip cte)))
2079 (if (and ctl (not (string-match "/" (car ctl))))
2081 (goto-char (point-max)))
2084 (narrow-to-region (point) (point-max))
2085 (when (and (eq mail-parse-charset 'gnus-decoded)
2086 (eq (mm-body-7-or-8) '8bit))
2087 ;; The text code could have been decoded.
2088 (setq charset mail-parse-charset))
2089 (when (and (or (not ctl)
2090 (equal (car ctl) "text/plain"))
2091 (not format)) ;; article with format will decode later.
2093 charset (and cte (intern (downcase
2094 (gnus-strip-whitespace cte))))
2097 (defun article-decode-encoded-words ()
2098 "Remove encoded-word encoding from headers."
2099 (let ((inhibit-point-motion-hooks t)
2100 (mail-parse-charset gnus-newsgroup-charset)
2101 (mail-parse-ignored-charsets
2102 (save-excursion (condition-case nil
2103 (set-buffer gnus-summary-buffer)
2105 gnus-newsgroup-ignored-charsets))
2108 (article-narrow-to-head)
2109 (funcall gnus-decode-header-function (point-min) (point-max)))))
2111 (defun article-decode-group-name ()
2112 "Decode group names in `Newsgroups:'."
2113 (let ((inhibit-point-motion-hooks t)
2115 (method (gnus-find-method-for-group gnus-newsgroup-name)))
2116 (when (and (or gnus-group-name-charset-method-alist
2117 gnus-group-name-charset-group-alist)
2118 (gnus-buffer-live-p gnus-original-article-buffer))
2119 (when (nnmail-fetch-field "Newsgroups")
2120 (nnheader-replace-header "Newsgroups"
2121 (gnus-decode-newsgroups
2122 (with-current-buffer
2123 gnus-original-article-buffer
2124 (nnmail-fetch-field "Newsgroups"))
2125 gnus-newsgroup-name method)))
2126 (when (nnmail-fetch-field "Followup-To")
2127 (nnheader-replace-header "Followup-To"
2128 (gnus-decode-newsgroups
2129 (with-current-buffer
2130 gnus-original-article-buffer
2131 (nnmail-fetch-field "Followup-To"))
2132 gnus-newsgroup-name method))))))
2134 (defun article-de-quoted-unreadable (&optional force read-charset)
2135 "Translate a quoted-printable-encoded article.
2136 If FORCE, decode the article whether it is marked as quoted-printable
2138 If READ-CHARSET, ask for a coding system."
2139 (interactive (list 'force current-prefix-arg))
2141 (let ((buffer-read-only nil) type charset)
2142 (if (gnus-buffer-live-p gnus-original-article-buffer)
2143 (with-current-buffer gnus-original-article-buffer
2145 (gnus-fetch-field "content-transfer-encoding"))
2146 (let* ((ct (gnus-fetch-field "content-type"))
2149 (mail-header-parse-content-type ct)))))
2150 (setq charset (and ctl
2151 (mail-content-type-get ctl 'charset)))
2152 (if (stringp charset)
2153 (setq charset (intern (downcase charset)))))))
2155 (setq charset (mm-read-coding-system "Charset: " charset)))
2157 (setq charset gnus-newsgroup-charset))
2159 (and type (let ((case-fold-search t))
2160 (string-match "quoted-printable" type))))
2162 (quoted-printable-decode-region
2163 (point) (point-max) (mm-charset-to-coding-system charset))))))
2165 (defun article-de-base64-unreadable (&optional force read-charset)
2166 "Translate a base64 article.
2167 If FORCE, decode the article whether it is marked as base64 not.
2168 If READ-CHARSET, ask for a coding system."
2169 (interactive (list 'force current-prefix-arg))
2171 (let ((buffer-read-only nil) type charset)
2172 (if (gnus-buffer-live-p gnus-original-article-buffer)
2173 (with-current-buffer gnus-original-article-buffer
2175 (gnus-fetch-field "content-transfer-encoding"))
2176 (let* ((ct (gnus-fetch-field "content-type"))
2179 (mail-header-parse-content-type ct)))))
2180 (setq charset (and ctl
2181 (mail-content-type-get ctl 'charset)))
2182 (if (stringp charset)
2183 (setq charset (intern (downcase charset)))))))
2185 (setq charset (mm-read-coding-system "Charset: " charset)))
2187 (setq charset gnus-newsgroup-charset))
2189 (and type (let ((case-fold-search t))
2190 (string-match "base64" type))))
2193 (narrow-to-region (point) (point-max))
2194 (base64-decode-region (point-min) (point-max))
2195 (mm-decode-coding-region
2196 (point-min) (point-max) (mm-charset-to-coding-system charset)))))))
2201 (defun article-decode-HZ ()
2202 "Translate a HZ-encoded article."
2206 (let ((buffer-read-only nil))
2207 (rfc1843-decode-region (point-min) (point-max)))))
2209 (defun article-unsplit-urls ()
2210 "Remove the newlines that some other mailers insert into URLs."
2213 (let ((buffer-read-only nil))
2214 (goto-char (point-min))
2215 (while (re-search-forward
2216 "^\\(\\(https?\\|ftp\\)://\\S-+\\) *\n\\(\\S-+\\)" nil t)
2217 (replace-match "\\1\\3" t)))
2218 (when (and gnus-display-mime-function (interactive-p))
2219 (funcall gnus-display-mime-function))))
2222 (defun article-wash-html (&optional read-charset)
2223 "Format an HTML article.
2224 If READ-CHARSET, ask for a coding system."
2227 (let ((buffer-read-only nil)
2229 (when (gnus-buffer-live-p gnus-original-article-buffer)
2230 (with-current-buffer gnus-original-article-buffer
2231 (let* ((ct (gnus-fetch-field "content-type"))
2234 (mail-header-parse-content-type ct)))))
2235 (setq charset (and ctl
2236 (mail-content-type-get ctl 'charset)))
2237 (when (stringp charset)
2238 (setq charset (intern (downcase charset)))))))
2240 (setq charset (mm-read-coding-system "Charset: " charset)))
2242 (setq charset gnus-newsgroup-charset))
2244 (save-window-excursion
2246 (narrow-to-region (point) (point-max))
2247 (let* ((func (or gnus-article-wash-function mm-text-html-renderer))
2248 (entry (assq func mm-text-html-washer-alist)))
2250 (setq func (cdr entry)))
2252 ((gnus-functionp func)
2255 (apply (car func) (cdr func))))))))))
2257 (defun gnus-article-wash-html-with-w3 ()
2258 "Wash the current buffer with w3."
2260 (let ((w3-strict-width (window-width))
2261 (url-standalone-mode t)
2262 (url-gateway-unplugged t)
2263 (w3-honor-stylesheets nil))
2265 (w3-region (point-min) (point-max))
2268 (defun gnus-article-wash-html-with-w3m ()
2269 "Wash the current buffer with emacs-w3m."
2272 (narrow-to-region (point) (point-max))
2273 (let ((w3m-safe-url-regexp (if mm-inline-text-html-with-images
2276 (w3m-display-inline-images mm-inline-text-html-with-images)
2277 w3m-force-redisplay)
2278 (w3m-region (point-min) (point-max)))
2279 (when mm-inline-text-html-with-w3m-keymap
2280 (add-text-properties
2281 (point-min) (point-max)
2282 (nconc (mm-w3m-local-map-property)
2283 '(mm-inline-text-html-with-w3m t))))))
2285 (defun article-hide-list-identifiers ()
2286 "Remove list identifies from the Subject header.
2287 The `gnus-list-identifiers' variable specifies what to do."
2289 (let ((inhibit-point-motion-hooks t)
2290 (regexp (if (consp gnus-list-identifiers)
2291 (mapconcat 'identity gnus-list-identifiers " *\\|")
2292 gnus-list-identifiers))
2297 (article-narrow-to-head)
2298 (goto-char (point-min))
2299 (while (re-search-forward
2300 (concat "^Subject: +\\(R[Ee]: +\\)*\\(" regexp " *\\)")
2302 (delete-region (match-beginning 2) (match-end 0))
2303 (beginning-of-line))
2304 (when (re-search-forward
2305 "^Subject: +\\(\\(R[Ee]: +\\)+\\)R[Ee]: +" nil t)
2306 (delete-region (match-beginning 1) (match-end 1))))))))
2308 (defun article-hide-pem (&optional arg)
2309 "Toggle hiding of any PEM headers and signatures in the current article.
2310 If given a negative prefix, always show; if given a positive prefix,
2312 (interactive (gnus-article-hidden-arg))
2313 (unless (gnus-article-check-hidden-text 'pem arg)
2315 (let (buffer-read-only end)
2316 (goto-char (point-min))
2317 ;; Hide the horrendously ugly "header".
2318 (when (and (search-forward
2319 "\n-----BEGIN PRIVACY-ENHANCED MESSAGE-----\n"
2321 (setq end (1+ (match-beginning 0))))
2322 (gnus-add-wash-type 'pem)
2323 (gnus-article-hide-text-type
2325 (if (search-forward "\n\n" nil t)
2329 ;; Hide the trailer as well
2330 (when (search-forward "\n-----END PRIVACY-ENHANCED MESSAGE-----\n"
2332 (gnus-article-hide-text-type
2333 (match-beginning 0) (match-end 0) 'pem)))))))
2335 (defun article-strip-banner ()
2336 "Strip the banner specified by the `banner' group parameter."
2340 (let ((inhibit-point-motion-hooks t)
2341 (banner (gnus-parameter-banner gnus-newsgroup-name))
2342 (gnus-signature-limit nil)
2343 buffer-read-only beg end)
2344 (when (and gnus-article-address-banner-alist
2347 (let ((from (save-restriction
2349 (article-narrow-to-head)
2350 (mail-fetch-field "from"))))
2353 (caar (mail-header-parse-addresses from))))
2355 (dolist (pair gnus-article-address-banner-alist)
2356 (when (string-match (car pair) from)
2357 (throw 'found (cdr pair)))))))))
2361 ((eq banner 'signature)
2362 (when (gnus-article-narrow-to-signature)
2365 (delete-region (point) (point-max))))
2367 (if (setq banner (cdr (assq banner gnus-article-banner-alist)))
2368 (while (re-search-forward banner nil t)
2369 (delete-region (match-beginning 0) (match-end 0)))))
2371 (while (re-search-forward banner nil t)
2372 (delete-region (match-beginning 0) (match-end 0))))))))))
2374 (defun article-babel ()
2375 "Translate article using an online translation service."
2379 (set-buffer gnus-article-buffer)
2380 (when (article-goto-body)
2381 (let* ((buffer-read-only nil)
2384 (orig (buffer-substring start end))
2385 (trans (babel-as-string orig)))
2387 (narrow-to-region start end)
2388 (delete-region start end)
2391 (defun article-hide-signature (&optional arg)
2392 "Hide the signature in the current article.
2393 If given a negative prefix, always show; if given a positive prefix,
2395 (interactive (gnus-article-hidden-arg))
2396 (unless (gnus-article-check-hidden-text 'signature arg)
2399 (let ((buffer-read-only nil))
2400 (when (gnus-article-narrow-to-signature)
2401 (gnus-article-hide-text-type
2402 (point-min) (point-max) 'signature))))))
2403 (gnus-set-mode-line 'article))
2405 (defun article-strip-headers-in-body ()
2406 "Strip offensive headers from bodies."
2410 (let ((case-fold-search t))
2411 (when (looking-at "x-no-archive:")
2412 (gnus-delete-line)))))
2414 (defun article-strip-leading-blank-lines ()
2415 "Remove all blank lines from the beginning of the article."
2418 (let ((inhibit-point-motion-hooks t)
2420 (when (article-goto-body)
2421 (while (and (not (eobp))
2422 (looking-at "[ \t]*$"))
2423 (gnus-delete-line))))))
2425 (defun article-narrow-to-head ()
2426 "Narrow the buffer to the head of the message.
2427 Point is left at the beginning of the narrowed-to region."
2429 (goto-char (point-min))
2430 (if (search-forward "\n\n" nil 1)
2433 (goto-char (point-min)))
2435 (defun article-goto-body ()
2436 "Place point at the start of the body."
2437 (goto-char (point-min))
2439 ;; This variable is only bound when dealing with separate
2441 (article-goto-body-goes-to-point-min-p
2443 ((search-forward "\n\n" nil t)
2446 (goto-char (point-max))
2449 (defun article-strip-multiple-blank-lines ()
2450 "Replace consecutive blank lines with one empty line."
2453 (let ((inhibit-point-motion-hooks t)
2455 ;; First make all blank lines empty.
2457 (while (re-search-forward "^[ \t]+$" nil t)
2458 (unless (gnus-annotation-in-region-p
2459 (match-beginning 0) (match-end 0))
2460 (replace-match "" nil t)))
2461 ;; Then replace multiple empty lines with a single empty line.
2463 (while (re-search-forward "\n\n\\(\n+\\)" nil t)
2464 (unless (gnus-annotation-in-region-p
2465 (match-beginning 0) (match-end 0))
2466 (delete-region (match-beginning 1) (match-end 1)))))))
2468 (defun article-strip-leading-space ()
2469 "Remove all white space from the beginning of the lines in the article."
2472 (let ((inhibit-point-motion-hooks t)
2475 (while (re-search-forward "^[ \t]+" nil t)
2476 (replace-match "" t t)))))
2478 (defun article-strip-trailing-space ()
2479 "Remove all white space from the end of the lines in the article."
2482 (let ((inhibit-point-motion-hooks t)
2485 (while (re-search-forward "[ \t]+$" nil t)
2486 (replace-match "" t t)))))
2488 (defun article-strip-blank-lines ()
2489 "Strip leading, trailing and multiple blank lines."
2491 (article-strip-leading-blank-lines)
2492 (article-remove-trailing-blank-lines)
2493 (article-strip-multiple-blank-lines))
2495 (defun article-strip-all-blank-lines ()
2496 "Strip all blank lines."
2499 (let ((inhibit-point-motion-hooks t)
2502 (while (re-search-forward "^[ \t]*\n" nil t)
2503 (replace-match "" t t)))))
2505 (defun gnus-article-narrow-to-signature ()
2506 "Narrow to the signature; return t if a signature is found, else nil."
2507 (let ((inhibit-point-motion-hooks t))
2508 (when (gnus-article-search-signature)
2510 ;; Check whether we have some limits to what we consider
2511 ;; to be a signature.
2512 (let ((limits (if (listp gnus-signature-limit) gnus-signature-limit
2513 (list gnus-signature-limit)))
2515 (while (setq limit (pop limits))
2516 (if (or (and (integerp limit)
2517 (< (- (point-max) (point)) limit))
2519 (< (count-lines (point) (point-max)) limit))
2520 (and (gnus-functionp limit)
2522 (and (stringp limit)
2523 (not (re-search-forward limit nil t))))
2524 () ; This limit did not succeed.
2528 (narrow-to-region (point) (point-max))
2531 (defun gnus-article-search-signature ()
2532 "Search the current buffer for the signature separator.
2533 Put point at the beginning of the signature separator."
2534 (let ((cur (point)))
2535 (goto-char (point-max))
2536 (if (if (stringp gnus-signature-separator)
2537 (re-search-backward gnus-signature-separator nil t)
2538 (let ((seps gnus-signature-separator))
2540 (not (re-search-backward (car seps) nil t)))
2547 (defun gnus-article-hidden-arg ()
2548 "Return the current prefix arg as a number, or 0 if no prefix."
2549 (list (if current-prefix-arg
2550 (prefix-numeric-value current-prefix-arg)
2553 (defun gnus-article-check-hidden-text (type arg)
2554 "Return nil if hiding is necessary.
2555 Arg can be nil or a number. nil and positive means hide, negative
2556 means show, 0 means toggle."
2559 (let ((hide (gnus-article-hidden-text-p type)))
2565 (gnus-article-show-hidden-text type)
2568 (if (eq hide 'hidden)
2570 (gnus-article-show-hidden-text type)
2574 (defun gnus-article-hidden-text-p (type)
2575 "Say whether the current buffer contains hidden text of type TYPE."
2576 (let ((pos (text-property-any (point-min) (point-max) 'article-type type)))
2578 (not (get-text-property pos 'invisible))
2579 (not (get-text-property pos 'dummy-invisible)))
2581 (text-property-any (1+ pos) (point-max) 'article-type type)))
2586 (defun gnus-article-show-hidden-text (type &optional dummy)
2587 "Show all hidden text of type TYPE.
2588 Originally it is hide instead of DUMMY."
2589 (let ((buffer-read-only nil)
2590 (inhibit-point-motion-hooks t))
2591 (gnus-remove-text-properties-when
2593 (point-min) (point-max)
2594 (cons 'article-type (cons type
2595 gnus-hidden-properties)))
2596 (gnus-delete-wash-type type)))
2598 (defconst article-time-units
2599 `((year . ,(* 365.25 24 60 60))
2600 (week . ,(* 7 24 60 60))
2601 (day . ,(* 24 60 60))
2605 "Mapping from time units to seconds.")
2607 (defun gnus-article-forward-header ()
2608 "Move point to the start of the next header.
2609 If the current header is a continuation header, this can be several
2614 (if (looking-at "[ \t]+[^ \t]")
2618 (defun article-date-ut (&optional type highlight header)
2619 "Convert DATE date to universal time in the current article.
2620 If TYPE is `local', convert to local time; if it is `lapsed', output
2621 how much time has lapsed since DATE. For `lapsed', the value of
2622 `gnus-article-date-lapsed-new-header' says whether the \"X-Sent:\" header
2623 should replace the \"Date:\" one, or should be added below it."
2624 (interactive (list 'ut t))
2625 (let* ((header (or header
2626 (message-fetch-field "date")
2628 (tdate-regexp "^Date:[ \t]\\|^X-Sent:[ \t]")
2631 ((not gnus-article-date-lapsed-new-header)
2637 (date (if (vectorp header) (mail-header-date header)
2639 (inhibit-point-motion-hooks t)
2644 (article-narrow-to-head)
2645 (when (re-search-forward tdate-regexp nil t)
2646 (setq bface (get-text-property (gnus-point-at-bol) 'face)
2647 date (or (get-text-property (gnus-point-at-bol)
2650 eface (get-text-property (1- (gnus-point-at-eol)) 'face))
2652 (when (and date (not (string= date "")))
2653 (goto-char (point-min))
2654 (let ((buffer-read-only nil))
2655 ;; Delete any old Date headers.
2656 (while (re-search-forward date-regexp nil t)
2658 (delete-region (progn (beginning-of-line) (point))
2659 (progn (gnus-article-forward-header)
2661 (delete-region (progn (beginning-of-line) (point))
2662 (progn (gnus-article-forward-header)
2665 (setq pos (point))))
2666 (when (and (not pos)
2667 (re-search-forward tdate-regexp nil t))
2671 (insert (article-make-date-line date (or type 'ut)))
2677 (when (looking-at "\\([^:]+\\): *\\(.*\\)$")
2678 (put-text-property (match-beginning 1) (1+ (match-end 1))
2679 'original-date date)
2680 (put-text-property (match-beginning 1) (1+ (match-end 1))
2682 (put-text-property (match-beginning 2) (match-end 2)
2685 (defun article-make-date-line (date type)
2686 "Return a DATE line of TYPE."
2687 (unless (memq type '(local ut original user iso8601 lapsed english))
2688 (error "Unknown conversion type: %s" type))
2690 (let ((time (date-to-time date)))
2692 ;; Convert to the local timezone.
2694 (let ((tz (car (current-time-zone time))))
2695 (format "Date: %s %s%02d%02d" (current-time-string time)
2696 (if (> tz 0) "+" "-") (/ (abs tz) 3600)
2697 (/ (% (abs tz) 3600) 60))))
2698 ;; Convert to Universal Time.
2701 (current-time-string
2702 (let* ((e (parse-time-string date))
2703 (tm (apply 'encode-time e))
2705 (ls (- (cadr tm) (car (current-time-zone time)))))
2706 (cond ((< ls 0) (list (1- ms) (+ ls 65536)))
2707 ((> ls 65535) (list (1+ ms) (- ls 65536)))
2710 ;; Get the original date from the article.
2711 ((eq type 'original)
2712 (concat "Date: " (if (string-match "\n+$" date)
2713 (substring date 0 (match-beginning 0))
2715 ;; Let the user define the format.
2717 (let ((format (or (condition-case nil
2718 (with-current-buffer gnus-summary-buffer
2719 gnus-article-time-format)
2721 gnus-article-time-format)))
2722 (if (gnus-functionp format)
2723 (funcall format time)
2724 (concat "Date: " (format-time-string format time)))))
2727 (let ((tz (car (current-time-zone time))))
2730 (format-time-string "%Y%m%dT%H%M%S" time)
2731 (format "%s%02d%02d"
2732 (if (> tz 0) "+" "-") (/ (abs tz) 3600)
2733 (/ (% (abs tz) 3600) 60)))))
2734 ;; Do an X-Sent lapsed format.
2736 ;; If the date is seriously mangled, the timezone functions are
2737 ;; liable to bug out, so we ignore all errors.
2738 (let* ((now (current-time))
2739 (real-time (subtract-time now time))
2740 (real-sec (and real-time
2741 (+ (* (float (car real-time)) 65536)
2743 (sec (and real-time (abs real-sec)))
2753 ;; This is a bit convoluted, but basically we go
2754 ;; through the time units for years, weeks, etc,
2755 ;; and divide things to see whether that results
2756 ;; in positive answers.
2759 (if (zerop (setq num (ffloor (/ sec (cdr unit)))))
2760 ;; The (remaining) seconds are too few to
2761 ;; be divided into this time unit.
2763 ;; It's big enough, so we output it.
2764 (setq sec (- sec (* num (cdr unit))))
2766 (concat (if prev ", " "") (int-to-string
2768 " " (symbol-name (car unit))
2769 (if (> num 1) "s" ""))
2771 article-time-units "")
2772 ;; If dates are odd, then it might appear like the
2773 ;; article was sent in the future.
2776 " in the future"))))))
2777 ;; Display the date in proper English
2779 (let ((dtime (decode-time time)))
2782 (number-to-string (nth 3 dtime))
2783 (let ((digit (% (nth 3 dtime) 10)))
2785 ((memq (nth 3 dtime) '(11 12 13)) "th")
2791 (nth (1- (nth 4 dtime)) gnus-english-month-names)
2793 (number-to-string (nth 5 dtime))
2795 (format "%02d" (nth 2 dtime))
2797 (format "%02d" (nth 1 dtime)))))))
2799 (format "Date: %s (from Gnus)" date))))
2801 (defun article-date-local (&optional highlight)
2802 "Convert the current article date to the local timezone."
2803 (interactive (list t))
2804 (article-date-ut 'local highlight))
2806 (defun article-date-english (&optional highlight)
2807 "Convert the current article date to something that is proper English."
2808 (interactive (list t))
2809 (article-date-ut 'english highlight))
2811 (defun article-date-original (&optional highlight)
2812 "Convert the current article date to what it was originally.
2813 This is only useful if you have used some other date conversion
2814 function and want to see what the date was before converting."
2815 (interactive (list t))
2816 (article-date-ut 'original highlight))
2818 (defun article-date-lapsed (&optional highlight)
2819 "Convert the current article date to time lapsed since it was sent."
2820 (interactive (list t))
2821 (article-date-ut 'lapsed highlight))
2823 (defun article-update-date-lapsed ()
2824 "Function to be run from a timer to update the lapsed time line."
2825 (let (deactivate-mark)
2830 (set-buffer (window-buffer w))
2831 (when (eq major-mode 'gnus-article-mode)
2832 (goto-char (point-min))
2833 (when (re-search-forward "^X-Sent:" nil t)
2834 (article-date-lapsed t))))
2837 (defun gnus-start-date-timer (&optional n)
2838 "Start a timer to update the X-Sent header in the article buffers.
2839 The numerical prefix says how frequently (in seconds) the function
2844 (gnus-stop-date-timer)
2845 (setq article-lapsed-timer
2846 (nnheader-run-at-time 1 n 'article-update-date-lapsed)))
2848 (defun gnus-stop-date-timer ()
2849 "Stop the X-Sent timer."
2851 (when article-lapsed-timer
2852 (nnheader-cancel-timer article-lapsed-timer)
2853 (setq article-lapsed-timer nil)))
2855 (defun article-date-user (&optional highlight)
2856 "Convert the current article date to the user-defined format.
2857 This format is defined by the `gnus-article-time-format' variable."
2858 (interactive (list t))
2859 (article-date-ut 'user highlight))
2861 (defun article-date-iso8601 (&optional highlight)
2862 "Convert the current article date to ISO8601."
2863 (interactive (list t))
2864 (article-date-ut 'iso8601 highlight))
2866 ;; (defun article-show-all ()
2867 ;; "Show all hidden text in the article buffer."
2870 ;; (let ((buffer-read-only nil))
2871 ;; (gnus-article-unhide-text (point-min) (point-max)))))
2873 (defun article-remove-leading-whitespace ()
2874 "Remove excessive whitespace from all headers."
2878 (let ((buffer-read-only nil))
2879 (article-narrow-to-head)
2880 (goto-char (point-min))
2881 (while (re-search-forward "^[^ :]+: \\([ \t]+\\)" nil t)
2882 (delete-region (match-beginning 1) (match-end 1)))))))
2884 (defun article-emphasize (&optional arg)
2885 "Emphasize text according to `gnus-emphasis-alist'."
2886 (interactive (gnus-article-hidden-arg))
2887 (unless (gnus-article-check-hidden-text 'emphasis arg)
2891 (with-current-buffer gnus-summary-buffer
2892 gnus-article-emphasis-alist)
2894 gnus-emphasis-alist))
2895 (buffer-read-only nil)
2896 (props (append '(article-type emphasis)
2897 gnus-hidden-properties))
2898 regexp elem beg invisible visible face)
2901 (while (setq elem (pop alist))
2903 (setq regexp (car elem)
2904 invisible (nth 1 elem)
2905 visible (nth 2 elem)
2907 (while (re-search-forward regexp nil t)
2908 (when (and (match-beginning visible) (match-beginning invisible))
2909 (gnus-article-hide-text
2910 (match-beginning invisible) (match-end invisible) props)
2911 (gnus-article-unhide-text-type
2912 (match-beginning visible) (match-end visible) 'emphasis)
2913 (gnus-put-overlay-excluding-newlines
2914 (match-beginning visible) (match-end visible) 'face face)
2915 (gnus-add-wash-type 'emphasis)
2916 (goto-char (match-end invisible)))))))))
2918 (defun gnus-article-setup-highlight-words (&optional highlight-words)
2919 "Setup newsgroup emphasis alist."
2920 (unless gnus-article-emphasis-alist
2921 (let ((name (and gnus-newsgroup-name
2922 (gnus-group-real-name gnus-newsgroup-name))))
2923 (make-local-variable 'gnus-article-emphasis-alist)
2924 (setq gnus-article-emphasis-alist
2926 (let ((alist gnus-group-highlight-words-alist) elem highlight)
2927 (while (setq elem (pop alist))
2928 (when (and name (string-match (car elem) name))
2930 highlight (copy-sequence (cdr elem)))))
2932 (copy-sequence highlight-words)
2933 (if gnus-newsgroup-name
2934 (copy-sequence (gnus-group-find-parameter
2935 gnus-newsgroup-name 'highlight-words t)))
2936 gnus-emphasis-alist)))))
2939 (defvar gnus-summary-article-menu)
2940 (defvar gnus-summary-post-menu))
2942 ;;; Saving functions.
2944 (defun gnus-article-save (save-buffer file &optional num)
2945 "Save the currently selected article."
2946 (unless gnus-save-all-headers
2947 ;; Remove headers according to `gnus-saved-headers'.
2948 (let ((gnus-visible-headers
2949 (or gnus-saved-headers gnus-visible-headers))
2950 (gnus-article-buffer save-buffer))
2952 (set-buffer save-buffer)
2953 (article-hide-headers 1 t))))
2954 (save-window-excursion
2955 (if (not gnus-default-article-saver)
2956 (error "No default saver is defined")
2957 ;; !!! Magic! The saving functions all save
2958 ;; `gnus-save-article-buffer' (or so they think), but we
2959 ;; bind that variable to our save-buffer.
2960 (set-buffer gnus-article-buffer)
2961 (let* ((gnus-save-article-buffer save-buffer)
2964 ((not gnus-prompt-before-saving) 'default)
2965 ((eq gnus-prompt-before-saving 'always) nil)
2967 (gnus-number-of-articles-to-be-saved
2968 (when (eq gnus-prompt-before-saving t)
2970 (set-buffer gnus-article-current-summary)
2971 (funcall gnus-default-article-saver filename)))))
2973 (defun gnus-read-save-file-name (prompt &optional filename
2974 function group headers variable)
2976 (funcall function group headers (symbol-value variable)))
2981 ((eq filename 'default)
2987 (let* ((split-name (gnus-get-split-value gnus-split-methods))
2990 (if (and gnus-number-of-articles-to-be-saved
2991 (> gnus-number-of-articles-to-be-saved 1))
2992 (format "these %d articles"
2993 gnus-number-of-articles-to-be-saved)
2996 ;; Let the split methods have their say.
2998 ;; No split name was found.
3001 (concat prompt " (default "
3002 (file-name-nondirectory default-name) ") ")
3003 (file-name-directory default-name)
3005 ;; A single group name is returned.
3006 ((stringp split-name)
3008 (funcall function split-name headers
3009 (symbol-value variable)))
3011 (concat prompt " (default "
3012 (file-name-nondirectory default-name) ") ")
3013 (file-name-directory default-name)
3015 ;; A single split name was found
3016 ((= 1 (length split-name))
3017 (let* ((name (expand-file-name
3019 gnus-article-save-directory))
3020 (dir (cond ((file-directory-p name)
3021 (file-name-as-directory name))
3022 ((file-exists-p name) name)
3023 (t gnus-article-save-directory))))
3025 (concat prompt " (default " name ") ")
3027 ;; A list of splits was found.
3029 (setq split-name (nreverse split-name))
3031 (let ((file-name-history
3032 (nconc split-name file-name-history)))
3036 (concat prompt " (`M-p' for defaults) ")
3037 gnus-article-save-directory
3039 gnus-article-save-directory)))
3040 (car (push result file-name-history)))))))
3041 ;; Create the directory.
3042 (gnus-make-directory (file-name-directory file))
3043 ;; If we have read a directory, we append the default file name.
3044 (when (file-directory-p file)
3045 (setq file (expand-file-name (file-name-nondirectory
3047 (file-name-as-directory file))))
3048 ;; Possibly translate some characters.
3049 (nnheader-translate-file-chars file))))))
3050 (gnus-make-directory (file-name-directory result))
3051 (set variable result)))
3053 (defun gnus-article-archive-name (group)
3054 "Return the first instance of an \"Archive-name\" in the current buffer."
3055 (let ((case-fold-search t))
3056 (when (re-search-forward "archive-name: *\\([^ \n\t]+\\)[ \t]*$" nil t)
3057 (nnheader-concat gnus-article-save-directory
3058 (match-string 1)))))
3060 (defun gnus-article-nndoc-name (group)
3061 "If GROUP is an nndoc group, return the name of the parent group."
3062 (when (eq (car (gnus-find-method-for-group group)) 'nndoc)
3063 (gnus-group-get-parameter group 'save-article-group)))
3065 (defun gnus-summary-save-in-rmail (&optional filename)
3066 "Append this article to Rmail file.
3067 Optional argument FILENAME specifies file name.
3068 Directory to save to is default to `gnus-article-save-directory'."
3069 (setq filename (gnus-read-save-file-name
3070 "Save %s in rmail file:" filename
3071 gnus-rmail-save-name gnus-newsgroup-name
3072 gnus-current-headers 'gnus-newsgroup-last-rmail))
3073 (gnus-eval-in-buffer-window gnus-save-article-buffer
3077 (gnus-output-to-rmail filename))))
3080 (defun gnus-summary-save-in-mail (&optional filename)
3081 "Append this article to Unix mail file.
3082 Optional argument FILENAME specifies file name.
3083 Directory to save to is default to `gnus-article-save-directory'."
3084 (setq filename (gnus-read-save-file-name
3085 "Save %s in Unix mail file:" filename
3086 gnus-mail-save-name gnus-newsgroup-name
3087 gnus-current-headers 'gnus-newsgroup-last-mail))
3088 (gnus-eval-in-buffer-window gnus-save-article-buffer
3092 (if (and (file-readable-p filename)
3093 (mail-file-babyl-p filename))
3094 (rmail-output-to-rmail-file filename t)
3095 (gnus-output-to-mail filename)))))
3098 (defun gnus-summary-save-in-file (&optional filename overwrite)
3099 "Append this article to file.
3100 Optional argument FILENAME specifies file name.
3101 Directory to save to is default to `gnus-article-save-directory'."
3102 (setq filename (gnus-read-save-file-name
3103 "Save %s in file:" filename
3104 gnus-file-save-name gnus-newsgroup-name
3105 gnus-current-headers 'gnus-newsgroup-last-file))
3106 (gnus-eval-in-buffer-window gnus-save-article-buffer
3110 (when (and overwrite
3111 (file-exists-p filename))
3112 (delete-file filename))
3113 (gnus-output-to-file filename))))
3116 (defun gnus-summary-write-to-file (&optional filename)
3117 "Write this article to a file, overwriting it if the file exists.
3118 Optional argument FILENAME specifies file name.
3119 The directory to save in defaults to `gnus-article-save-directory'."
3120 (gnus-summary-save-in-file nil t))
3122 (defun gnus-summary-save-body-in-file (&optional filename)
3123 "Append this article body to a file.
3124 Optional argument FILENAME specifies file name.
3125 The directory to save in defaults to `gnus-article-save-directory'."
3126 (setq filename (gnus-read-save-file-name
3127 "Save %s body in file:" filename
3128 gnus-file-save-name gnus-newsgroup-name
3129 gnus-current-headers 'gnus-newsgroup-last-file))
3130 (gnus-eval-in-buffer-window gnus-save-article-buffer
3134 (when (article-goto-body)
3135 (narrow-to-region (point) (point-max)))
3136 (gnus-output-to-file filename))))
3139 (defun gnus-summary-save-in-pipe (&optional command)
3140 "Pipe this article to subprocess."
3142 (cond ((and (eq command 'default)
3143 gnus-last-shell-command)
3144 gnus-last-shell-command)
3149 "Shell command on %s: "
3150 (if (and gnus-number-of-articles-to-be-saved
3151 (> gnus-number-of-articles-to-be-saved 1))
3152 (format "these %d articles"
3153 gnus-number-of-articles-to-be-saved)
3155 gnus-last-shell-command))))
3156 (when (string-equal command "")
3157 (if gnus-last-shell-command
3158 (setq command gnus-last-shell-command)
3159 (error "A command is required")))
3160 (gnus-eval-in-buffer-window gnus-article-buffer
3163 (shell-command-on-region (point-min) (point-max) command nil)))
3164 (setq gnus-last-shell-command command))
3166 (defun gnus-summary-pipe-to-muttprint (&optional command)
3167 "Pipe this article to muttprint."
3168 (setq command (read-string
3169 "Print using command: " gnus-summary-muttprint-program
3170 nil gnus-summary-muttprint-program))
3171 (gnus-summary-save-in-pipe command))
3173 ;;; Article file names when saving.
3175 (defun gnus-capitalize-newsgroup (newsgroup)
3176 "Capitalize NEWSGROUP name."
3177 (when (not (zerop (length newsgroup)))
3178 (concat (char-to-string (upcase (aref newsgroup 0)))
3179 (substring newsgroup 1))))
3181 (defun gnus-Numeric-save-name (newsgroup headers &optional last-file)
3182 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3183 If variable `gnus-use-long-file-name' is non-nil, it is ~/News/News.group/num.
3184 Otherwise, it is like ~/News/news/group/num."
3187 (concat (if (gnus-use-long-file-name 'not-save)
3188 (gnus-capitalize-newsgroup newsgroup)
3189 (gnus-newsgroup-directory-form newsgroup))
3190 "/" (int-to-string (mail-header-number headers)))
3191 gnus-article-save-directory)))
3193 (string-equal (file-name-directory default)
3194 (file-name-directory last-file))
3195 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
3197 (or last-file default))))
3199 (defun gnus-numeric-save-name (newsgroup headers &optional last-file)
3200 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3201 If variable `gnus-use-long-file-name' is non-nil, it is
3202 ~/News/news.group/num. Otherwise, it is like ~/News/news/group/num."
3205 (concat (if (gnus-use-long-file-name 'not-save)
3207 (gnus-newsgroup-directory-form newsgroup))
3208 "/" (int-to-string (mail-header-number headers)))
3209 gnus-article-save-directory)))
3211 (string-equal (file-name-directory default)
3212 (file-name-directory last-file))
3213 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
3215 (or last-file default))))
3217 (defun gnus-plain-save-name (newsgroup headers &optional last-file)
3218 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3219 If variable `gnus-use-long-file-name' is non-nil, it is
3220 ~/News/news.group. Otherwise, it is like ~/News/news/group/news."
3223 (if (gnus-use-long-file-name 'not-save)
3226 (expand-file-name "news" (gnus-newsgroup-directory-form newsgroup))
3228 gnus-article-save-directory)))
3230 (defun gnus-sender-save-name (newsgroup headers &optional last-file)
3231 "Generate file name from sender."
3232 (let ((from (mail-header-from headers)))
3234 (if (and from (string-match "\\([^ <]+\\)@" from))
3235 (match-string 1 from)
3237 gnus-article-save-directory)))
3239 (defun article-verify-x-pgp-sig ()
3242 (if (gnus-buffer-live-p gnus-original-article-buffer)
3243 (let ((sig (with-current-buffer gnus-original-article-buffer
3244 (gnus-fetch-field "X-PGP-Sig")))
3248 (mml2015-clear-verify-function))
3250 (insert-buffer gnus-original-article-buffer)
3251 (setq items (split-string sig))
3252 (message-narrow-to-head)
3253 (let ((inhibit-point-motion-hooks t)
3254 (case-fold-search t))
3255 ;; Don't verify multiple headers.
3256 (setq headers (mapconcat (lambda (header)
3258 (mail-fetch-field header) "\n"))
3259 (split-string (nth 1 items) ",") "")))
3260 (delete-region (point-min) (point-max))
3261 (insert "-----BEGIN PGP SIGNED MESSAGE-----\n\n")
3262 (insert "X-Signed-Headers: " (nth 1 items) "\n")
3267 (if (looking-at "^-")
3270 (insert "\n-----BEGIN PGP SIGNATURE-----\n")
3271 (insert "Version: " (car items) "\n\n")
3272 (insert (mapconcat 'identity (cddr items) "\n"))
3273 (insert "\n-----END PGP SIGNATURE-----\n")
3274 (let ((mm-security-handle (list (format "multipart/signed"))))
3275 (mml2015-clean-buffer)
3276 (let ((coding-system-for-write (or gnus-newsgroup-charset
3278 (funcall (mml2015-clear-verify-function)))
3280 (or (mm-handle-multipart-ctl-parameter
3281 mm-security-handle 'gnus-details)
3282 (mm-handle-multipart-ctl-parameter
3283 mm-security-handle 'gnus-info)))))
3285 (let (buffer-read-only bface eface)
3287 (message-narrow-to-head)
3288 (goto-char (point-max))
3290 (setq bface (get-text-property (gnus-point-at-bol) 'face)
3291 eface (get-text-property (1- (gnus-point-at-eol)) 'face))
3292 (message-remove-header "X-Gnus-PGP-Verify")
3293 (if (re-search-forward "^X-PGP-Sig:" nil t)
3295 (goto-char (point-max)))
3296 (narrow-to-region (point) (point))
3297 (insert "X-Gnus-PGP-Verify: " info "\n")
3298 (goto-char (point-min))
3301 (if (not (looking-at "^[ \t]"))
3305 (goto-char (point-min))
3306 (when (looking-at "\\([^:]+\\): *")
3307 (put-text-property (match-beginning 1) (1+ (match-end 1))
3309 (put-text-property (match-end 0) (point-max)
3310 'face eface)))))))))
3312 (defun article-verify-cancel-lock ()
3313 "Verify Cancel-Lock header."
3315 (if (gnus-buffer-live-p gnus-original-article-buffer)
3316 (canlock-verify gnus-original-article-buffer)))
3323 (setq afunc (car func)
3326 gfunc (intern (format "gnus-%s" func))))
3328 (when (fboundp afunc)
3329 `(lambda (&optional interactive &rest args)
3330 ,(documentation afunc t)
3331 (interactive (list t))
3333 (set-buffer gnus-article-buffer)
3335 (call-interactively ',afunc)
3336 (apply ',afunc args))))))))
3337 '(article-hide-headers
3338 article-verify-x-pgp-sig
3339 article-verify-cancel-lock
3340 article-hide-boring-headers
3341 article-treat-overstrike
3342 article-fill-long-lines
3343 article-capitalize-sentences
3345 article-remove-leading-whitespace
3346 article-display-x-face
3347 article-display-face
3348 article-de-quoted-unreadable
3349 article-de-base64-unreadable
3352 article-unsplit-urls
3353 article-hide-list-identifiers
3354 article-strip-banner
3357 article-hide-signature
3358 article-strip-headers-in-body
3359 article-remove-trailing-blank-lines
3360 article-strip-leading-blank-lines
3361 article-strip-multiple-blank-lines
3362 article-strip-leading-space
3363 article-strip-trailing-space
3364 article-strip-blank-lines
3365 article-strip-all-blank-lines
3367 article-date-english
3368 article-date-iso8601
3369 article-date-original
3371 article-decode-mime-words
3372 article-decode-charset
3373 article-decode-encoded-words
3377 article-treat-dumbquotes
3378 article-normalize-headers
3379 ;; (article-show-all . gnus-article-show-all-headers)
3383 ;;; Gnus article mode
3386 (put 'gnus-article-mode 'mode-class 'special)
3388 (set-keymap-parent gnus-article-mode-map widget-keymap)
3390 (gnus-define-keys gnus-article-mode-map
3391 " " gnus-article-goto-next-page
3392 "\177" gnus-article-goto-prev-page
3393 [delete] gnus-article-goto-prev-page
3394 [backspace] gnus-article-goto-prev-page
3395 "\C-c^" gnus-article-refer-article
3396 "h" gnus-article-show-summary
3397 "s" gnus-article-show-summary
3398 "\C-c\C-m" gnus-article-mail
3399 "?" gnus-article-describe-briefly
3400 "e" gnus-summary-edit-article
3401 "<" beginning-of-buffer
3403 "\C-c\C-i" gnus-info-find-node
3405 "R" gnus-article-reply-with-original
3406 "F" gnus-article-followup-with-original
3407 "\C-hk" gnus-article-describe-key
3408 "\C-hc" gnus-article-describe-key-briefly
3410 "\C-d" gnus-article-read-summary-keys
3411 "\M-*" gnus-article-read-summary-keys
3412 "\M-#" gnus-article-read-summary-keys
3413 "\M-^" gnus-article-read-summary-keys
3414 "\M-g" gnus-article-read-summary-keys)
3416 (substitute-key-definition
3417 'undefined 'gnus-article-read-summary-keys gnus-article-mode-map)
3419 (defun gnus-article-make-menu-bar ()
3420 (unless (boundp 'gnus-article-commands-menu)
3421 (gnus-summary-make-menu-bar))
3422 (gnus-turn-off-edit-menu 'article)
3423 (unless (boundp 'gnus-article-article-menu)
3425 gnus-article-article-menu gnus-article-mode-map ""
3427 ["Scroll forwards" gnus-article-goto-next-page t]
3428 ["Scroll backwards" gnus-article-goto-prev-page t]
3429 ["Show summary" gnus-article-show-summary t]
3430 ["Fetch Message-ID at point" gnus-article-refer-article t]
3431 ["Mail to address at point" gnus-article-mail t]
3432 ["Send a bug report" gnus-bug t]))
3435 gnus-article-treatment-menu gnus-article-mode-map ""
3436 ;; Fixme: this should use :active (and maybe :visible).
3438 ["Hide headers" gnus-article-hide-headers t]
3439 ["Hide signature" gnus-article-hide-signature t]
3440 ["Hide citation" gnus-article-hide-citation t]
3441 ["Treat overstrike" gnus-article-treat-overstrike t]
3442 ["Remove carriage return" gnus-article-remove-cr t]
3443 ["Remove leading whitespace" gnus-article-remove-leading-whitespace t]
3444 ["Remove quoted-unreadable" gnus-article-de-quoted-unreadable t]
3445 ["Remove base64" gnus-article-de-base64-unreadable t]
3446 ["Treat html" gnus-article-wash-html t]
3447 ["Remove newlines from within URLs" gnus-article-unsplit-urls t]
3448 ["Decode HZ" gnus-article-decode-HZ t]))
3450 ;; Note "Commands" menu is defined in gnus-sum.el for consistency
3452 ;; Note "Post" menu is defined in gnus-sum.el for consistency
3454 (gnus-run-hooks 'gnus-article-menu-hook)))
3456 ;; Fixme: do something for the Emacs tool bar in Article mode a la
3459 (defun gnus-article-mode ()
3460 "Major mode for displaying an article.
3462 All normal editing commands are switched off.
3464 The following commands are available in addition to all summary mode
3466 \\<gnus-article-mode-map>
3467 \\[gnus-article-next-page]\t Scroll the article one page forwards
3468 \\[gnus-article-prev-page]\t Scroll the article one page backwards
3469 \\[gnus-article-refer-article]\t Go to the article referred to by an article id near point
3470 \\[gnus-article-show-summary]\t Display the summary buffer
3471 \\[gnus-article-mail]\t Send a reply to the address near point
3472 \\[gnus-article-describe-briefly]\t Describe the current mode briefly
3473 \\[gnus-info-find-node]\t Go to the Gnus info node"
3475 (gnus-simplify-mode-line)
3476 (setq mode-name "Article")
3477 (setq major-mode 'gnus-article-mode)
3478 (make-local-variable 'minor-mode-alist)
3479 (use-local-map gnus-article-mode-map)
3480 (when (gnus-visual-p 'article-menu 'menu)
3481 (gnus-article-make-menu-bar))
3482 (gnus-update-format-specifications nil 'article-mode)
3483 (set (make-local-variable 'page-delimiter) gnus-page-delimiter)
3484 (make-local-variable 'gnus-page-broken)
3485 (make-local-variable 'gnus-button-marker-list)
3486 (make-local-variable 'gnus-article-current-summary)
3487 (make-local-variable 'gnus-article-mime-handles)
3488 (make-local-variable 'gnus-article-decoded-p)
3489 (make-local-variable 'gnus-article-mime-handle-alist)
3490 (make-local-variable 'gnus-article-wash-types)
3491 (make-local-variable 'gnus-article-image-alist)
3492 (make-local-variable 'gnus-article-charset)
3493 (make-local-variable 'gnus-article-ignored-charsets)
3494 (gnus-set-default-directory)
3495 (buffer-disable-undo)
3496 (setq buffer-read-only t)
3497 (set-syntax-table gnus-article-mode-syntax-table)
3498 (mm-enable-multibyte)
3499 (gnus-run-hooks 'gnus-article-mode-hook))
3501 (defun gnus-article-setup-buffer ()
3502 "Initialize the article buffer."
3503 (let* ((name (if gnus-single-article-buffer "*Article*"
3504 (concat "*Article " gnus-newsgroup-name "*")))
3506 (progn (string-match "\\*Article" name)
3507 (concat " *Original Article"
3508 (substring name (match-end 0))))))
3509 (setq gnus-article-buffer name)
3510 (setq gnus-original-article-buffer original)
3511 (setq gnus-article-mime-handle-alist nil)
3512 ;; This might be a variable local to the summary buffer.
3513 (unless gnus-single-article-buffer
3515 (set-buffer gnus-summary-buffer)
3516 (setq gnus-article-buffer name)
3517 (setq gnus-original-article-buffer original)
3518 (gnus-set-global-variables)))
3519 (gnus-article-setup-highlight-words)
3520 ;; Init original article buffer.
3522 (set-buffer (gnus-get-buffer-create gnus-original-article-buffer))
3523 (mm-enable-multibyte)
3524 (setq major-mode 'gnus-original-article-mode)
3525 (make-local-variable 'gnus-original-article))
3526 (if (get-buffer name)
3529 (when (and gnus-article-edit-mode
3532 (y-or-n-p "Article mode edit in progress; discard? ")))
3533 (error "Action aborted"))
3534 (set (make-local-variable 'gnus-article-edit-mode) nil)
3535 (when gnus-article-mime-handles
3536 (mm-destroy-parts gnus-article-mime-handles)
3537 (setq gnus-article-mime-handles nil))
3538 ;; Set it to nil in article-buffer!
3539 (setq gnus-article-mime-handle-alist nil)
3540 (buffer-disable-undo)
3541 (setq buffer-read-only t)
3542 ;; This list just keeps growing if we don't reset it.
3543 (setq gnus-button-marker-list nil)
3544 (unless (eq major-mode 'gnus-article-mode)
3545 (gnus-article-mode))
3548 (set-buffer (gnus-get-buffer-create name))
3550 (make-local-variable 'gnus-summary-buffer)
3551 (gnus-summary-set-local-parameters gnus-newsgroup-name)
3552 (current-buffer)))))
3554 ;; Set article window start at LINE, where LINE is the number of lines
3555 ;; from the head of the article.
3556 (defun gnus-article-set-window-start (&optional line)
3558 (gnus-get-buffer-window gnus-article-buffer t)
3560 (set-buffer gnus-article-buffer)
3561 (goto-char (point-min))
3564 (gnus-message 6 "Moved to bookmark")
3565 (search-forward "\n\n" nil t)
3569 (defun gnus-article-prepare (article &optional all-headers header)
3570 "Prepare ARTICLE in article mode buffer.
3571 ARTICLE should either be an article number or a Message-ID.
3572 If ARTICLE is an id, HEADER should be the article headers.
3573 If ALL-HEADERS is non-nil, no headers are hidden."
3575 ;; Make sure we start in a summary buffer.
3576 (unless (eq major-mode 'gnus-summary-mode)
3577 (set-buffer gnus-summary-buffer))
3578 (setq gnus-summary-buffer (current-buffer))
3579 (let* ((gnus-article (if header (mail-header-number header) article))
3580 (summary-buffer (current-buffer))
3581 (gnus-tmp-internal-hook gnus-article-internal-prepare-hook)
3582 (group gnus-newsgroup-name)
3585 (gnus-article-setup-buffer)
3586 (set-buffer gnus-article-buffer)
3587 ;; Deactivate active regions.
3588 (when (and (boundp 'transient-mark-mode)
3589 transient-mark-mode)
3590 (setq mark-active nil))
3591 (if (not (setq result (let ((buffer-read-only nil))
3592 (gnus-request-article-this-buffer
3594 ;; There is no such article.
3596 (when (and (numberp article)
3597 (not (memq article gnus-newsgroup-sparse)))
3598 (setq gnus-article-current
3599 (cons gnus-newsgroup-name article))
3600 (set-buffer gnus-summary-buffer)
3601 (setq gnus-current-article article)
3602 (if (memq article gnus-newsgroup-undownloaded)
3604 (gnus-summary-set-agent-mark article)
3605 (message "Message marked for downloading"))
3606 (gnus-summary-mark-article article gnus-canceled-mark)
3607 (unless (memq article gnus-newsgroup-sparse)
3608 (gnus-error 1 "No such article (may have expired or been canceled)")))))
3609 (if (or (eq result 'pseudo)
3610 (eq result 'nneething))
3613 (set-buffer summary-buffer)
3614 (push article gnus-newsgroup-history)
3615 (setq gnus-last-article gnus-current-article
3616 gnus-current-article 0
3617 gnus-current-headers nil
3618 gnus-article-current nil)
3619 (if (eq result 'nneething)
3620 (gnus-configure-windows 'summary)
3621 (gnus-configure-windows 'article))
3622 (gnus-set-global-variables))
3623 (let ((gnus-article-mime-handle-alist-1
3624 gnus-article-mime-handle-alist))
3625 (gnus-set-mode-line 'article)))
3626 ;; The result from the `request' was an actual article -
3627 ;; or at least some text that is now displayed in the
3629 (when (and (numberp article)
3630 (not (eq article gnus-current-article)))
3631 ;; Seems like a new article has been selected.
3632 ;; `gnus-current-article' must be an article number.
3634 (set-buffer summary-buffer)
3635 (push article gnus-newsgroup-history)
3636 (setq gnus-last-article gnus-current-article
3637 gnus-current-article article
3638 gnus-current-headers
3639 (gnus-summary-article-header gnus-current-article)
3640 gnus-article-current
3641 (cons gnus-newsgroup-name gnus-current-article))
3642 (unless (vectorp gnus-current-headers)
3643 (setq gnus-current-headers nil))
3644 (gnus-summary-goto-subject gnus-current-article)
3645 (when (gnus-summary-show-thread)
3646 ;; If the summary buffer really was folded, the
3647 ;; previous goto may not actually have gone to
3648 ;; the right article, but the thread root instead.
3650 (gnus-summary-goto-subject gnus-current-article))
3651 (gnus-run-hooks 'gnus-mark-article-hook)
3652 (gnus-set-mode-line 'summary)
3653 (when (gnus-visual-p 'article-highlight 'highlight)
3654 (gnus-run-hooks 'gnus-visual-mark-article-hook))
3655 ;; Set the global newsgroup variables here.
3656 (gnus-set-global-variables)
3657 (setq gnus-have-all-headers
3658 (or all-headers gnus-show-all-headers))))
3660 (gnus-configure-windows 'article))
3661 (when (or (numberp article)
3663 (gnus-article-prepare-display)
3665 (goto-char (point-min))
3666 (setq gnus-page-broken
3667 (when gnus-break-pages
3668 (gnus-narrow-to-page)
3670 (let ((gnus-article-mime-handle-alist-1
3671 gnus-article-mime-handle-alist))
3672 (gnus-set-mode-line 'article))
3676 (set-window-point (get-buffer-window (current-buffer)) (point))
3677 (gnus-configure-windows 'article)
3681 (defun gnus-article-prepare-display ()
3682 "Make the current buffer look like a nice article."
3683 ;; Hooks for getting information from the article.
3684 ;; This hook must be called before being narrowed.
3685 (let ((gnus-article-buffer (current-buffer))
3687 (unless (eq major-mode 'gnus-article-mode)
3688 (gnus-article-mode))
3689 (setq buffer-read-only nil
3690 gnus-article-wash-types nil
3691 gnus-article-image-alist nil)
3692 (gnus-run-hooks 'gnus-tmp-internal-hook)
3693 (when gnus-display-mime-function
3694 (funcall gnus-display-mime-function))
3695 (gnus-run-hooks 'gnus-article-prepare-hook)))
3698 ;;; Gnus MIME viewing functions
3701 (defvar gnus-mime-button-line-format "%{%([%p. %d%T]%)%}%e\n"
3702 "Format of the MIME buttons.
3704 Valid specifiers include:
3706 %T MIME type, along with additional info
3707 %n The `name' parameter
3708 %d The description, if any
3709 %l The length of the encoded part
3710 %p The part identifier number
3711 %e Dots if the part isn't displayed
3713 General format specifiers can also be used. See Info node
3714 `(gnus)Formatting Variables'.")
3716 (defvar gnus-mime-button-line-format-alist
3717 '((?t gnus-tmp-type ?s)
3718 (?T gnus-tmp-type-long ?s)
3719 (?n gnus-tmp-name ?s)
3720 (?d gnus-tmp-description ?s)
3722 (?l gnus-tmp-length ?d)
3723 (?e gnus-tmp-dots ?s)))
3725 (defvar gnus-mime-button-commands
3726 '((gnus-article-press-button "\r" "Toggle Display")
3727 (gnus-mime-view-part "v" "View Interactively...")
3728 (gnus-mime-view-part-as-type "t" "View As Type...")
3729 (gnus-mime-view-part-as-charset "C" "View As charset...")
3730 (gnus-mime-save-part "o" "Save...")
3731 (gnus-mime-save-part-and-strip "\C-o" "Save and Strip")
3732 (gnus-mime-copy-part "c" "View As Text, In Other Buffer")
3733 (gnus-mime-inline-part "i" "View As Text, In This Buffer")
3734 (gnus-mime-view-part-internally "E" "View Internally")
3735 (gnus-mime-view-part-externally "e" "View Externally")
3736 (gnus-mime-print-part "p" "Print")
3737 (gnus-mime-pipe-part "|" "Pipe To Command...")
3738 (gnus-mime-action-on-part "." "Take action on the part")))
3740 (defun gnus-article-mime-part-status ()
3741 (if gnus-article-mime-handle-alist-1
3742 (if (eq 1 (length gnus-article-mime-handle-alist-1))
3744 (format " (%d parts)" (length gnus-article-mime-handle-alist-1)))
3747 (defvar gnus-mime-button-map
3748 (let ((map (make-sparse-keymap)))
3749 (unless (>= (string-to-number emacs-version) 21)
3750 ;; XEmacs doesn't care.
3751 (set-keymap-parent map gnus-article-mode-map))
3752 (define-key map gnus-mouse-2 'gnus-article-push-button)
3753 (define-key map gnus-down-mouse-3 'gnus-mime-button-menu)
3754 (dolist (c gnus-mime-button-commands)
3755 (define-key map (cadr c) (car c)))
3758 (defun gnus-mime-button-menu (event)
3759 "Construct a context-sensitive menu of MIME commands."
3761 (save-window-excursion
3762 (let ((pos (event-start event)))
3763 (select-window (posn-window pos))
3764 (goto-char (posn-point pos))
3765 (gnus-article-check-buffer)
3766 (let ((response (x-popup-menu
3768 ("" ,@(mapcar (lambda (c)
3769 (cons (caddr c) (car c)))
3770 gnus-mime-button-commands))))))
3772 (call-interactively response))))))
3774 (defun gnus-mime-view-all-parts (&optional handles)
3775 "View all the MIME parts."
3777 (save-current-buffer
3778 (set-buffer gnus-article-buffer)
3779 (let ((handles (or handles gnus-article-mime-handles))
3780 (mail-parse-charset gnus-newsgroup-charset)
3781 (mail-parse-ignored-charsets
3782 (with-current-buffer gnus-summary-buffer
3783 gnus-newsgroup-ignored-charsets)))
3785 (mm-remove-parts handles)
3786 (goto-char (point-min))
3787 (or (search-forward "\n\n") (goto-char (point-max)))
3788 (let (buffer-read-only)
3789 (delete-region (point) (point-max))
3790 (mm-display-parts handles))))))
3792 (defun gnus-mime-save-part-and-strip ()
3793 "Save the MIME part under point then replace it with an external body."
3795 (gnus-article-check-buffer)
3796 (let* ((data (get-text-property (point) 'gnus-data))
3798 (handles gnus-article-mime-handles))
3799 (if (mm-multiple-handles gnus-article-mime-handles)
3800 (error "This function is not implemented"))
3801 (setq file (and data (mm-save-part data)))
3803 (with-current-buffer (mm-handle-buffer data)
3805 (insert "Content-Type: " (mm-handle-media-type data))
3806 (mml-insert-parameter-string (cdr (mm-handle-type data))
3809 (insert "Content-ID: " (message-make-message-id) "\n")
3810 (insert "Content-Transfer-Encoding: binary\n")
3813 (cdr (mm-make-handle nil
3814 `("message/external-body"
3815 (access-type . "LOCAL-FILE")
3817 (set-buffer gnus-summary-buffer)
3818 (gnus-article-edit-article
3821 (let ((mail-parse-charset (or gnus-article-charset
3822 ',gnus-newsgroup-charset))
3823 (mail-parse-ignored-charsets
3824 (or gnus-article-ignored-charsets
3825 ',gnus-newsgroup-ignored-charsets))
3826 (mbl mml-buffer-list))
3827 (setq mml-buffer-list nil)
3828 (insert-buffer gnus-original-article-buffer)
3829 (mime-to-mml ',handles)
3830 (setq gnus-article-mime-handles nil)
3831 (let ((mbl1 mml-buffer-list))
3832 (setq mml-buffer-list mbl)
3833 (set (make-local-variable 'mml-buffer-list) mbl1))
3834 ;; LOCAL argument of add-hook differs between GNU Emacs
3835 ;; and XEmacs. make-local-hook makes sure they are local.
3836 (make-local-hook 'kill-buffer-hook)
3837 (add-hook 'kill-buffer-hook 'mml-destroy-buffers t t)))
3838 `(lambda (no-highlight)
3839 (let ((mail-parse-charset (or gnus-article-charset
3840 ',gnus-newsgroup-charset))
3841 (message-options message-options)
3842 (message-options-set-recipient)
3843 (mail-parse-ignored-charsets
3844 (or gnus-article-ignored-charsets
3845 ',gnus-newsgroup-ignored-charsets)))
3847 (mml-destroy-buffers)
3848 (remove-hook 'kill-buffer-hook
3849 'mml-destroy-buffers t)
3850 (kill-local-variable 'mml-buffer-list))
3851 (gnus-summary-edit-article-done
3852 ,(or (mail-header-references gnus-current-headers) "")
3853 ,(gnus-group-read-only-p)
3854 ,gnus-summary-buffer no-highlight))))))
3856 (defun gnus-mime-save-part ()
3857 "Save the MIME part under point."
3859 (gnus-article-check-buffer)
3860 (let ((data (get-text-property (point) 'gnus-data)))
3862 (mm-save-part data))))
3864 (defun gnus-mime-pipe-part ()
3865 "Pipe the MIME part under point to a process."
3867 (gnus-article-check-buffer)
3868 (let ((data (get-text-property (point) 'gnus-data)))
3870 (mm-pipe-part data))))
3872 (defun gnus-mime-view-part ()
3873 "Interactively choose a viewing method for the MIME part under point."
3875 (gnus-article-check-buffer)
3876 (let ((data (get-text-property (point) 'gnus-data)))
3878 (setq gnus-article-mime-handles
3880 gnus-article-mime-handles (setq data (copy-sequence data))))
3881 (mm-interactively-view-part data))))
3883 (defun gnus-mime-view-part-as-type-internal ()
3884 (gnus-article-check-buffer)
3885 (let* ((name (mail-content-type-get
3886 (mm-handle-type (get-text-property (point) 'gnus-data))
3888 (def-type (and name (mm-default-file-encoding name))))
3889 (and def-type (cons def-type 0))))
3891 (defun gnus-mime-view-part-as-type (&optional mime-type)
3892 "Choose a MIME media type, and view the part as such."
3895 (setq mime-type (completing-read
3896 "View as MIME type: "
3897 (mapcar #'list (mailcap-mime-types))
3899 (gnus-mime-view-part-as-type-internal))))
3900 (gnus-article-check-buffer)
3901 (let ((handle (get-text-property (point) 'gnus-data)))
3904 (mm-make-handle (mm-handle-buffer handle)
3905 (cons mime-type (cdr (mm-handle-type handle)))
3906 (mm-handle-encoding handle)
3907 (mm-handle-undisplayer handle)
3908 (mm-handle-disposition handle)
3909 (mm-handle-description handle)
3911 (mm-handle-id handle)))
3912 (setq gnus-article-mime-handles
3913 (mm-merge-handles gnus-article-mime-handles handle))
3914 (gnus-mm-display-part handle))))
3917 (require 'jka-compr))
3919 ;; jka-compr.el uses a "sh -c" to direct stderr to err-file, but these days
3920 ;; emacs can do that itself.
3922 (defun gnus-mime-jka-compr-maybe-uncompress ()
3923 "Uncompress the current buffer if `auto-compression-mode' is enabled.
3924 The uncompress method used is derived from `buffer-file-name'."
3925 (when (and (fboundp 'jka-compr-installed-p)
3926 (jka-compr-installed-p))
3927 (let ((info (jka-compr-get-compression-info buffer-file-name)))
3929 (let ((basename (file-name-nondirectory buffer-file-name))
3930 (args (jka-compr-info-uncompress-args info))
3931 (prog (jka-compr-info-uncompress-program info))
3932 (message (jka-compr-info-uncompress-message info))
3933 (err-file (jka-compr-make-temp-name)))
3935 (message "%s %s..." message basename))
3937 (unless (memq (apply 'call-process-region
3938 (point-min) (point-max)
3940 t (list t err-file) nil
3942 jka-compr-acceptable-retval-list)
3943 (jka-compr-error prog args basename message err-file))
3944 (jka-compr-delete-temp-file err-file)))))))
3946 (defun gnus-mime-copy-part (&optional handle)
3947 "Put the MIME part under point into a new buffer.
3948 If `auto-compression-mode' is enabled, compressed files like .gz and .bz2
3951 (gnus-article-check-buffer)
3952 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
3953 (contents (and handle (mm-get-part handle)))
3955 (file-name-nondirectory
3957 (mail-content-type-get (mm-handle-type handle) 'name)
3958 (mail-content-type-get (mm-handle-disposition handle)
3961 (buffer (and base (generate-new-buffer base))))
3963 (switch-to-buffer buffer)
3965 ;; We do it this way to make `normal-mode' set the appropriate mode.
3968 (setq buffer-file-name (expand-file-name base))
3969 (gnus-mime-jka-compr-maybe-uncompress)
3971 (setq buffer-file-name nil))
3972 (goto-char (point-min)))))
3974 (defun gnus-mime-print-part (&optional handle filename)
3975 "Print the MIME part under point."
3976 (interactive (list nil (ps-print-preprint current-prefix-arg)))
3977 (gnus-article-check-buffer)
3978 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
3979 (contents (and handle (mm-get-part handle)))
3980 (file (mm-make-temp-file (expand-file-name "mm." mm-tmp-directory)))
3981 (printer (mailcap-mime-info (mm-handle-media-type handle) "print")))
3986 (mm-save-part-to-file handle file)
3987 (call-process shell-file-name nil
3988 (generate-new-buffer " *mm*")
3990 shell-command-switch
3992 printer file (mm-handle-type handle))))
3996 (gnus-print-buffer))
3997 (ps-despool filename)))))
3999 (defun gnus-mime-inline-part (&optional handle arg)
4000 "Insert the MIME part under point into the current buffer."
4001 (interactive (list nil current-prefix-arg))
4002 (gnus-article-check-buffer)
4003 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4008 (if (and (not arg) (mm-handle-undisplayer handle))
4009 (mm-remove-part handle)
4010 (setq contents (mm-get-part handle))
4013 (setq charset (or (mail-content-type-get
4014 (mm-handle-type handle) 'charset)
4015 gnus-newsgroup-charset)))
4017 (if (mm-handle-undisplayer handle)
4018 (mm-remove-part handle))
4021 gnus-summary-show-article-charset-alist))
4022 (mm-read-coding-system "Charset: ")))))
4024 (mm-insert-inline handle
4026 (setq charset (mm-charset-to-coding-system
4028 (not (eq charset 'ascii)))
4029 (mm-decode-coding-string contents charset)
4033 (defun gnus-mime-view-part-as-charset (&optional handle arg)
4034 "Insert the MIME part under point into the current buffer using the
4036 (interactive (list nil current-prefix-arg))
4037 (gnus-article-check-buffer)
4038 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4043 (if (mm-handle-undisplayer handle)
4044 (mm-remove-part handle))
4045 (let ((gnus-newsgroup-charset
4047 gnus-summary-show-article-charset-alist))
4048 (mm-read-coding-system "Charset: ")))
4049 (gnus-newsgroup-ignored-charsets 'gnus-all))
4050 (gnus-article-press-button)))))
4052 (defun gnus-mime-view-part-externally (&optional handle)
4053 "View the MIME part under point with an external viewer."
4055 (gnus-article-check-buffer)
4056 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4057 (mm-user-display-methods nil)
4058 (mm-inlined-types nil)
4059 (mail-parse-charset gnus-newsgroup-charset)
4060 (mail-parse-ignored-charsets
4061 (save-excursion (set-buffer gnus-summary-buffer)
4062 gnus-newsgroup-ignored-charsets)))
4064 (if (mm-handle-undisplayer handle)
4065 (mm-remove-part handle)
4066 (mm-display-part handle)))))
4068 (defun gnus-mime-view-part-internally (&optional handle)
4069 "View the MIME part under point with an internal viewer.
4070 If no internal viewer is available, use an external viewer."
4072 (gnus-article-check-buffer)
4073 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4074 (mm-inlined-types '(".*"))
4075 (mm-inline-large-images t)
4076 (mail-parse-charset gnus-newsgroup-charset)
4077 (mail-parse-ignored-charsets
4078 (save-excursion (set-buffer gnus-summary-buffer)
4079 gnus-newsgroup-ignored-charsets)))
4081 (if (mm-handle-undisplayer handle)
4082 (mm-remove-part handle)
4083 (mm-display-part handle)))))
4085 (defun gnus-mime-action-on-part (&optional action)
4086 "Do something with the MIME attachment at \(point\)."
4088 (list (completing-read "Action: " gnus-mime-action-alist)))
4089 (gnus-article-check-buffer)
4090 (let ((action-pair (assoc action gnus-mime-action-alist)))
4092 (funcall (cdr action-pair)))))
4094 (defun gnus-article-part-wrapper (n function)
4095 (save-current-buffer
4096 (set-buffer gnus-article-buffer)
4097 (when (> n (length gnus-article-mime-handle-alist))
4098 (error "No such part"))
4099 (gnus-article-goto-part n)
4100 (let ((handle (cdr (assq n gnus-article-mime-handle-alist))))
4101 (funcall function handle))))
4103 (defun gnus-article-pipe-part (n)
4104 "Pipe MIME part N, which is the numerical prefix."
4106 (gnus-article-part-wrapper n 'mm-pipe-part))
4108 (defun gnus-article-save-part (n)
4109 "Save MIME part N, which is the numerical prefix."
4111 (gnus-article-part-wrapper n 'mm-save-part))
4113 (defun gnus-article-interactively-view-part (n)
4114 "View MIME part N interactively, which is the numerical prefix."
4116 (gnus-article-part-wrapper n 'mm-interactively-view-part))
4118 (defun gnus-article-copy-part (n)
4119 "Copy MIME part N, which is the numerical prefix."
4121 (gnus-article-part-wrapper n 'gnus-mime-copy-part))
4123 (defun gnus-article-view-part-as-charset (n)
4124 "Copy MIME part N, which is the numerical prefix."
4126 (gnus-article-part-wrapper n 'gnus-mime-view-part-as-charset))
4128 (defun gnus-article-view-part-externally (n)
4129 "View MIME part N externally, which is the numerical prefix."
4131 (gnus-article-part-wrapper n 'gnus-mime-view-part-externally))
4133 (defun gnus-article-inline-part (n)
4134 "Inline MIME part N, which is the numerical prefix."
4136 (gnus-article-part-wrapper n 'gnus-mime-inline-part))
4138 (defun gnus-article-mime-match-handle-first (condition)
4140 (let ((alist gnus-article-mime-handle-alist) ihandle n)
4141 (while (setq ihandle (pop alist))
4143 ((functionp condition)
4144 (funcall condition (cdr ihandle)))
4145 ((eq condition 'undisplayed)
4146 (not (or (mm-handle-undisplayer (cdr ihandle))
4147 (equal (mm-handle-media-type (cdr ihandle))
4148 "multipart/alternative"))))
4149 ((eq condition 'undisplayed-alternative)
4150 (not (mm-handle-undisplayer (cdr ihandle))))
4152 (gnus-article-goto-part (car ihandle))
4153 (or (not n) (< (car ihandle) n)))
4154 (setq n (car ihandle))))
4158 (defun gnus-article-view-part (&optional n)
4159 "View MIME part N, which is the numerical prefix."
4161 (save-current-buffer
4162 (set-buffer gnus-article-buffer)
4163 (or (numberp n) (setq n (gnus-article-mime-match-handle-first
4164 gnus-article-mime-match-handle-function)))
4165 (when (> n (length gnus-article-mime-handle-alist))
4166 (error "No such part"))
4167 (let ((handle (cdr (assq n gnus-article-mime-handle-alist))))
4168 (when (gnus-article-goto-part n)
4169 (if (equal (car handle) "multipart/alternative")
4170 (gnus-article-press-button)
4171 (when (eq (gnus-mm-display-part handle) 'internal)
4172 (gnus-set-window-start)))))))
4174 (defsubst gnus-article-mime-total-parts ()
4175 (if (bufferp (car gnus-article-mime-handles))
4177 (1- (length gnus-article-mime-handles))))
4179 (defun gnus-mm-display-part (handle)
4180 "Display HANDLE and fix MIME button."
4181 (let ((id (get-text-property (point) 'gnus-part))
4186 (let ((window (selected-window))
4187 (mail-parse-charset gnus-newsgroup-charset)
4188 (mail-parse-ignored-charsets
4189 (if (gnus-buffer-live-p gnus-summary-buffer)
4191 (set-buffer gnus-summary-buffer)
4192 gnus-newsgroup-ignored-charsets)
4196 (let ((win (gnus-get-buffer-window (current-buffer) t))
4199 (select-window win))
4202 (if (mm-handle-displayed-p handle)
4203 ;; This will remove the part.
4204 (mm-display-part handle)
4206 (narrow-to-region (point)
4207 (if (eobp) (point) (1+ (point))))
4208 (mm-display-part handle)
4209 ;; We narrow to the part itself and
4210 ;; then call the treatment functions.
4211 (goto-char (point-min))
4213 (narrow-to-region (point) (point-max))
4216 (gnus-article-mime-total-parts)
4217 (mm-handle-media-type handle)))))
4218 (if (window-live-p window)
4219 (select-window window)))))
4221 (delete-region (gnus-point-at-bol) (progn (forward-line 1) (point)))
4222 (gnus-insert-mime-button
4223 handle id (list (mm-handle-displayed-p handle)))
4224 (goto-char point))))
4226 (defun gnus-article-goto-part (n)
4227 "Go to MIME part N."
4228 (let ((point (text-property-any (point-min) (point-max) 'gnus-part n)))
4230 (goto-char point))))
4232 (defun gnus-insert-mime-button (handle gnus-tmp-id &optional displayed)
4233 (let ((gnus-tmp-name
4234 (or (mail-content-type-get (mm-handle-type handle) 'name)
4235 (mail-content-type-get (mm-handle-disposition handle) 'filename)
4236 (mail-content-type-get (mm-handle-type handle) 'url)
4238 (gnus-tmp-type (mm-handle-media-type handle))
4239 (gnus-tmp-description
4240 (mail-decode-encoded-word-string (or (mm-handle-description handle)
4243 (if (if displayed (car displayed)
4244 (mm-handle-displayed-p handle))
4246 (gnus-tmp-length (with-current-buffer (mm-handle-buffer handle)
4248 gnus-tmp-type-long b e)
4249 (when (string-match ".*/" gnus-tmp-name)
4250 (setq gnus-tmp-name (replace-match "" t t gnus-tmp-name)))
4251 (setq gnus-tmp-type-long (concat gnus-tmp-type
4252 (and (not (equal gnus-tmp-name ""))
4253 (concat "; " gnus-tmp-name))))
4254 (unless (equal gnus-tmp-description "")
4255 (setq gnus-tmp-type-long (concat " --- " gnus-tmp-type-long)))
4260 gnus-mime-button-line-format gnus-mime-button-line-format-alist
4261 `(,@(gnus-local-map-property gnus-mime-button-map)
4262 gnus-callback gnus-mm-display-part
4263 gnus-part ,gnus-tmp-id
4264 article-type annotation
4267 (widget-convert-button
4270 :action 'gnus-widget-press-button
4271 :button-keymap gnus-mime-button-map
4273 (lambda (widget/window &optional overlay pos)
4274 ;; Needed to properly clear the message due to a bug in
4275 ;; wid-edit (XEmacs only).
4276 (if (boundp 'help-echo-owns-message)
4277 (setq help-echo-owns-message t))
4279 "%S: %s the MIME part; %S: more options"
4280 (aref gnus-mouse-2 0)
4281 ;; XEmacs will get a single widget arg; Emacs 21 will get
4282 ;; window, overlay, position.
4283 (if (mm-handle-displayed-p
4285 (with-current-buffer (gnus-overlay-buffer overlay)
4286 (widget-get (widget-at (gnus-overlay-start overlay))
4288 (widget-get widget/window :mime-handle)))
4290 (aref gnus-down-mouse-3 0))))))
4292 (defun gnus-widget-press-button (elems el)
4293 (goto-char (widget-get elems :from))
4294 (gnus-article-press-button))
4296 (defvar gnus-displaying-mime nil)
4298 (defun gnus-display-mime (&optional ihandles)
4299 "Display the MIME parts."
4301 (save-selected-window
4302 (let ((window (get-buffer-window gnus-article-buffer))
4305 (select-window window)
4306 ;; We have to do this since selecting the window
4307 ;; may change the point. So we set the window point.
4308 (set-window-point window point)))
4309 (let* ((handles (or ihandles
4310 (mm-dissect-buffer nil gnus-article-loose-mime)
4311 (and gnus-article-emulate-mime
4313 buffer-read-only handle name type b e display)
4314 (when (and (not ihandles)
4315 (not gnus-displaying-mime))
4316 ;; Top-level call; we clean up.
4317 (when gnus-article-mime-handles
4318 (mm-destroy-parts gnus-article-mime-handles)
4319 (setq gnus-article-mime-handle-alist nil));; A trick.
4320 (setq gnus-article-mime-handles handles)
4321 ;; We allow users to glean info from the handles.
4322 (when gnus-article-mime-part-function
4323 (gnus-mime-part-function handles)))
4325 (or (not (stringp (car handles)))
4328 (when (and (not ihandles)
4329 (not gnus-displaying-mime))
4330 ;; Clean up for mime parts.
4332 (delete-region (point) (point-max)))
4333 (let ((gnus-displaying-mime t))
4334 (gnus-mime-display-part handles)))
4337 (narrow-to-region (point) (point-max))
4338 (gnus-treat-article nil 1 1)
4341 ;; Highlight the headers.
4345 (narrow-to-region (point-min) (point))
4346 (gnus-treat-article 'head))))))))
4348 (defvar gnus-mime-display-multipart-as-mixed nil)
4349 (defvar gnus-mime-display-multipart-alternative-as-mixed nil)
4350 (defvar gnus-mime-display-multipart-related-as-mixed nil)
4352 (defun gnus-mime-display-part (handle)
4355 ((not (stringp (car handle)))
4356 (gnus-mime-display-single handle))
4357 ;; User-defined multipart
4358 ((cdr (assoc (car handle) gnus-mime-multipart-functions))
4359 (funcall (cdr (assoc (car handle) gnus-mime-multipart-functions))
4361 ;; multipart/alternative
4362 ((and (equal (car handle) "multipart/alternative")
4363 (not (or gnus-mime-display-multipart-as-mixed
4364 gnus-mime-display-multipart-alternative-as-mixed)))
4365 (let ((id (1+ (length gnus-article-mime-handle-alist))))
4366 (push (cons id handle) gnus-article-mime-handle-alist)
4367 (gnus-mime-display-alternative (cdr handle) nil nil id)))
4368 ;; multipart/related
4369 ((and (equal (car handle) "multipart/related")
4370 (not (or gnus-mime-display-multipart-as-mixed
4371 gnus-mime-display-multipart-related-as-mixed)))
4372 ;;;!!!We should find the start part, but we just default
4373 ;;;!!!to the first part.
4374 ;;(gnus-mime-display-part (cadr handle))
4375 ;;;!!! Most multipart/related is an HTML message plus images.
4376 ;;;!!! Unfortunately we are unable to let W3 display those
4377 ;;;!!! included images, so we just display it as a mixed multipart.
4378 ;;(gnus-mime-display-mixed (cdr handle))
4379 ;;;!!! No, w3 can display everything just fine.
4380 (gnus-mime-display-part (cadr handle)))
4381 ((equal (car handle) "multipart/signed")
4382 (gnus-add-wash-type 'signed)
4383 (gnus-mime-display-security handle))
4384 ((equal (car handle) "multipart/encrypted")
4385 (gnus-add-wash-type 'encrypted)
4386 (gnus-mime-display-security handle))
4387 ;; Other multiparts are handled like multipart/mixed.
4389 (gnus-mime-display-mixed (cdr handle)))))
4391 (defun gnus-mime-part-function (handles)
4392 (if (stringp (car handles))
4393 (mapcar 'gnus-mime-part-function (cdr handles))
4394 (funcall gnus-article-mime-part-function handles)))
4396 (defun gnus-mime-display-mixed (handles)
4397 (mapcar 'gnus-mime-display-part handles))
4399 (defun gnus-mime-display-single (handle)
4400 (let ((type (mm-handle-media-type handle))
4401 (ignored gnus-ignored-mime-types)
4408 (when (string-match (pop ignored) type)
4409 (throw 'ignored nil)))
4410 (if (and (setq not-attachment
4411 (and (not (mm-inline-override-p handle))
4412 (or (not (mm-handle-disposition handle))
4413 (equal (car (mm-handle-disposition handle))
4415 (mm-attachment-override-p handle))))
4416 (mm-automatic-display-p handle)
4418 (mm-inlinable-p handle)
4419 (mm-inlined-p handle))
4420 (mm-automatic-external-display-p type)))
4422 (when (equal (mm-handle-media-supertype handle) "text")
4424 (let ((id (1+ (length gnus-article-mime-handle-alist)))
4426 (push (cons id handle) gnus-article-mime-handle-alist)
4427 (when (or (not display)
4428 (not (gnus-unbuttonized-mime-type-p type)))
4429 ;(gnus-article-insert-newline)
4430 (gnus-insert-mime-button
4431 handle id (list (or display (and not-attachment text))))
4432 (gnus-article-insert-newline)
4433 ;(gnus-article-insert-newline)
4434 ;; Remember modify the number of forward lines.
4442 (let ((mail-parse-charset gnus-newsgroup-charset)
4443 (mail-parse-ignored-charsets
4444 (save-excursion (condition-case ()
4445 (set-buffer gnus-summary-buffer)
4447 gnus-newsgroup-ignored-charsets)))
4448 (mm-display-part handle t))
4449 (goto-char (point-max)))
4450 ((and text not-attachment)
4454 (gnus-article-insert-newline)
4455 (mm-insert-inline handle (mm-get-part handle))
4456 (goto-char (point-max))))
4460 (narrow-to-region beg (point))
4463 (gnus-article-mime-total-parts)
4464 (mm-handle-media-type handle)))))))))
4466 (defun gnus-unbuttonized-mime-type-p (type)
4467 "Say whether TYPE is to be unbuttonized."
4468 (unless gnus-inhibit-mime-unbuttonizing
4470 (let ((types gnus-unbuttonized-mime-types))
4472 (when (string-match (pop types) type)
4473 (throw 'found t)))))
4475 (let ((types gnus-buttonized-mime-types))
4477 (when (string-match (pop types) type)
4478 (throw 'found t)))))))))
4480 (defun gnus-article-insert-newline ()
4481 "Insert a newline, but mark it as undeletable."
4482 (gnus-put-text-property
4483 (point) (progn (insert "\n") (point)) 'gnus-undeletable t))
4485 (defun gnus-mime-display-alternative (handles &optional preferred ibegend id)
4486 (let* ((preferred (or preferred (mm-preferred-alternative handles)))
4489 handle buffer-read-only from props begend not-pref)
4490 (save-window-excursion
4493 (narrow-to-region (car ibegend)
4496 (goto-char (car ibegend))
4499 (delete-region (point-min) (point-max))
4500 (mm-remove-parts handles))
4501 (setq begend (list (point-marker)))
4503 (unless (setq not-pref (cadr (member preferred ihandles)))
4504 (setq not-pref (car ihandles)))
4507 (not (gnus-unbuttonized-mime-type-p
4508 "multipart/alternative")))
4509 (gnus-add-text-properties
4512 (insert (format "%d. " id))
4516 (unless ,(not ibegend)
4517 (setq gnus-article-mime-handle-alist
4518 ',gnus-article-mime-handle-alist))
4519 (gnus-mime-display-alternative
4520 ',ihandles ',not-pref ',begend ,id))
4521 ,@(gnus-local-map-property gnus-mime-button-map)
4522 ,gnus-mouse-face-prop ,gnus-article-mouse-face
4523 face ,gnus-article-button-face
4526 (widget-convert-button 'link from (point)
4527 :action 'gnus-widget-press-button
4528 :button-keymap gnus-widget-button-keymap)
4530 (while (setq handle (pop handles))
4531 (gnus-add-text-properties
4534 (insert (format "(%c) %-18s"
4535 (if (equal handle preferred) ?* ? )
4536 (mm-handle-media-type handle)))
4540 (unless ,(not ibegend)
4541 (setq gnus-article-mime-handle-alist
4542 ',gnus-article-mime-handle-alist))
4543 (gnus-mime-display-alternative
4544 ',ihandles ',handle ',begend ,id))
4545 ,@(gnus-local-map-property gnus-mime-button-map)
4546 ,gnus-mouse-face-prop ,gnus-article-mouse-face
4547 face ,gnus-article-button-face
4550 (widget-convert-button 'link from (point)
4551 :action 'gnus-widget-press-button
4552 :button-keymap gnus-widget-button-keymap)
4556 (if (stringp (car preferred))
4557 (gnus-display-mime preferred)
4558 (let ((mail-parse-charset gnus-newsgroup-charset)
4559 (mail-parse-ignored-charsets
4560 (save-excursion (set-buffer gnus-summary-buffer)
4561 gnus-newsgroup-ignored-charsets)))
4562 (mm-display-part preferred)
4566 (narrow-to-region (car begend) (point-max))
4568 nil (length gnus-article-mime-handle-alist)
4569 (gnus-article-mime-total-parts)
4570 (mm-handle-media-type handle))))))
4571 (goto-char (point-max))
4572 (setcdr begend (point-marker)))))
4574 (goto-char point))))
4576 (defconst gnus-article-wash-status-strings
4577 (let ((alist '((cite "c" "Possible hidden citation text"
4578 " " "All citation text visible")
4579 (headers "h" "Hidden headers"
4580 " " "All headers visible.")
4581 (pgp "p" "Encrypted or signed message status hidden"
4582 " " "No hidden encryption nor digital signature status")
4583 (signature "s" "Signature has been hidden"
4584 " " "Signature is visible")
4585 (overstrike "o" "Overstrike (^H) characters applied"
4586 " " "No overstrike characters applied")
4587 (emphasis "e" "/*_Emphasis_*/ characters applied"
4588 " " "No /*_emphasis_*/ characters applied")))
4590 (dolist (entry alist result)
4591 (let ((key (nth 0 entry))
4592 (on (copy-sequence (nth 1 entry)))
4593 (on-help (nth 2 entry))
4594 (off (copy-sequence (nth 3 entry)))
4595 (off-help (nth 4 entry)))
4596 (put-text-property 0 1 'help-echo on-help on)
4597 (put-text-property 0 1 'help-echo off-help off)
4598 (push (list key on off) result))))
4599 "Alist of strings describing wash status in the mode line.
4600 Each entry has the form (KEY ON OF), where the KEY is a symbol
4601 representing the particular washing function, ON is the string to use
4602 in the article mode line when the washing function is active, and OFF
4603 is the string to use when it is inactive.")
4605 (defun gnus-article-wash-status-entry (key value)
4606 (let ((entry (assoc key gnus-article-wash-status-strings)))
4607 (if value (nth 1 entry) (nth 2 entry))))
4609 (defun gnus-article-wash-status ()
4610 "Return a string which display status of article washing."
4612 (set-buffer gnus-article-buffer)
4613 (let ((cite (memq 'cite gnus-article-wash-types))
4614 (headers (memq 'headers gnus-article-wash-types))
4615 (boring (memq 'boring-headers gnus-article-wash-types))
4616 (pgp (memq 'pgp gnus-article-wash-types))
4617 (pem (memq 'pem gnus-article-wash-types))
4618 (signed (memq 'signed gnus-article-wash-types))
4619 (encrypted (memq 'encrypted gnus-article-wash-types))
4620 (signature (memq 'signature gnus-article-wash-types))
4621 (overstrike (memq 'overstrike gnus-article-wash-types))
4622 (emphasis (memq 'emphasis gnus-article-wash-types)))
4624 (gnus-article-wash-status-entry 'cite cite)
4625 (gnus-article-wash-status-entry 'headers (or headers boring))
4626 (gnus-article-wash-status-entry 'pgp (or pgp pem signed encrypted))
4627 (gnus-article-wash-status-entry 'signature signature)
4628 (gnus-article-wash-status-entry 'overstrike overstrike)
4629 (gnus-article-wash-status-entry 'emphasis emphasis)))))
4631 (defun gnus-add-wash-type (type)
4632 "Add a washing of TYPE to the current status."
4633 (add-to-list 'gnus-article-wash-types type))
4635 (defun gnus-delete-wash-type (type)
4636 "Add a washing of TYPE to the current status."
4637 (setq gnus-article-wash-types (delq type gnus-article-wash-types)))
4639 (defun gnus-add-image (category image)
4640 "Add IMAGE of CATEGORY to the list of displayed images."
4641 (let ((entry (assq category gnus-article-image-alist)))
4643 (setq entry (list category))
4644 (push entry gnus-article-image-alist))
4645 (nconc entry (list image))))
4647 (defun gnus-delete-images (category)
4648 "Delete all images in CATEGORY."
4649 (let ((entry (assq category gnus-article-image-alist)))
4650 (dolist (image (cdr entry))
4651 (gnus-remove-image image))
4652 (setq gnus-article-image-alist (delq entry gnus-article-image-alist))
4653 (gnus-delete-wash-type category)))
4655 (defalias 'gnus-article-hide-headers-if-wanted 'gnus-article-maybe-hide-headers)
4657 (defun gnus-article-maybe-hide-headers ()
4658 "Hide unwanted headers if `gnus-have-all-headers' is nil.
4659 Provided for backwards compatibility."
4660 (when (and (or (not (gnus-buffer-live-p gnus-summary-buffer))
4661 (not (save-excursion (set-buffer gnus-summary-buffer)
4662 gnus-have-all-headers)))
4663 (not gnus-inhibit-hiding))
4664 (gnus-article-hide-headers)))
4668 (defun gnus-output-to-file (file-name)
4669 "Append the current article to a file named FILE-NAME."
4670 (let ((artbuf (current-buffer)))
4672 (insert-buffer-substring artbuf)
4673 ;; Append newline at end of the buffer as separator, and then
4675 (goto-char (point-max))
4677 (let ((file-name-coding-system nnmail-pathname-coding-system))
4678 (mm-append-to-file (point-min) (point-max) file-name))
4681 (defun gnus-narrow-to-page (&optional arg)
4682 "Narrow the article buffer to a page.
4683 If given a numerical ARG, move forward ARG pages."
4685 (setq arg (if arg (prefix-numeric-value arg) 0))
4687 (set-buffer gnus-article-buffer)
4688 (goto-char (point-min))
4690 ;; Remove any old next/prev buttons.
4691 (when (gnus-visual-p 'page-marker)
4692 (let ((buffer-read-only nil))
4693 (gnus-remove-text-with-property 'gnus-prev)
4694 (gnus-remove-text-with-property 'gnus-next)))
4697 (re-search-backward page-delimiter nil 'move (1+ (abs arg))))
4699 (re-search-forward page-delimiter nil 'move arg)))
4700 (goto-char (match-end 0)))
4703 (if (re-search-forward page-delimiter nil 'move)
4706 (when (and (gnus-visual-p 'page-marker)
4707 (not (= (point-min) 1)))
4709 (goto-char (point-min))
4710 (gnus-insert-prev-page-button)))
4711 (when (and (gnus-visual-p 'page-marker)
4712 (< (+ (point-max) 2) (buffer-size)))
4714 (goto-char (point-max))
4715 (gnus-insert-next-page-button)))))
4717 ;; Article mode commands
4719 (defun gnus-article-goto-next-page ()
4720 "Show the next page of the article."
4722 (when (gnus-article-next-page)
4723 (goto-char (point-min))
4724 (gnus-article-read-summary-keys nil (gnus-character-to-event ?n))))
4726 (defun gnus-article-goto-prev-page ()
4727 "Show the next page of the article."
4729 (if (bobp) (gnus-article-read-summary-keys nil (gnus-character-to-event ?p))
4730 (gnus-article-prev-page nil)))
4732 (defun gnus-article-next-page (&optional lines)
4733 "Show the next page of the current article.
4734 If end of article, return non-nil. Otherwise return nil.
4735 Argument LINES specifies lines to be scrolled up."
4737 (move-to-window-line -1)
4740 (and (pos-visible-in-window-p) ;Not continuation line.
4741 (>= (1+ (point)) (point-max)))) ;Allow for trailing newline.
4742 ;; Nothing in this page.
4743 (if (or (not gnus-page-broken)
4746 (widen) (forward-line 1) (eobp)))) ;Real end-of-buffer?
4748 (gnus-narrow-to-page 1) ;Go to next page.
4750 ;; More in this page.
4751 (let ((scroll-in-place nil))
4755 ;; Long lines may cause an end-of-buffer error.
4756 (goto-char (point-max)))))
4757 (move-to-window-line 0)
4760 (defun gnus-article-prev-page (&optional lines)
4761 "Show previous page of current article.
4762 Argument LINES specifies lines to be scrolled down."
4764 (move-to-window-line 0)
4765 (if (and gnus-page-broken
4767 (not (save-restriction (widen) (bobp)))) ;Real beginning-of-buffer?
4769 (gnus-narrow-to-page -1) ;Go to previous page.
4770 (goto-char (point-max))
4772 (let ((scroll-in-place nil))
4776 (beginning-of-buffer
4777 (goto-char (point-min))))
4778 (move-to-window-line 0)))))
4780 (defun gnus-article-refer-article ()
4781 "Read article specified by message-id around point."
4783 (let ((point (point)))
4784 (search-forward ">" nil t) ;Move point to end of "<....>".
4785 (if (re-search-backward "\\(<[^<> \t\n]+>\\)" nil t)
4786 (let ((message-id (match-string 1)))
4788 (set-buffer gnus-summary-buffer)
4789 (gnus-summary-refer-article message-id))
4791 (error "No references around point"))))
4793 (defun gnus-article-show-summary ()
4794 "Reconfigure windows to show summary buffer."
4796 (if (not (gnus-buffer-live-p gnus-summary-buffer))
4797 (error "There is no summary buffer for this article buffer")
4798 (gnus-article-set-globals)
4799 (gnus-configure-windows 'article)
4800 (gnus-summary-goto-subject gnus-current-article)
4801 (gnus-summary-position-point)))
4803 (defun gnus-article-describe-briefly ()
4804 "Describe article mode commands briefly."
4806 (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")))
4808 (defun gnus-article-summary-command ()
4809 "Execute the last keystroke in the summary buffer."
4811 (let ((obuf (current-buffer))
4812 (owin (current-window-configuration))
4814 (switch-to-buffer gnus-article-current-summary 'norecord)
4815 (setq func (lookup-key (current-local-map) (this-command-keys)))
4816 (call-interactively func)
4818 (set-window-configuration owin)
4819 (set-window-point (get-buffer-window (current-buffer)) (point))))
4821 (defun gnus-article-summary-command-nosave ()
4822 "Execute the last keystroke in the summary buffer."
4825 (pop-to-buffer gnus-article-current-summary 'norecord)
4826 (setq func (lookup-key (current-local-map) (this-command-keys)))
4827 (call-interactively func)))
4829 (defun gnus-article-check-buffer ()
4830 "Beep if not in an article buffer."
4831 (unless (equal major-mode 'gnus-article-mode)
4832 (error "Command invoked outside of a Gnus article buffer")))
4834 (defun gnus-article-read-summary-keys (&optional arg key not-restore-window)
4835 "Read a summary buffer key sequence and execute it from the article buffer."
4837 (gnus-article-check-buffer)
4839 '("q" "Q" "c" "r" "\C-c\C-f" "m" "a" "f"
4840 "Zc" "ZC" "ZE" "ZQ" "ZZ" "Zn" "ZR" "ZG" "ZN" "ZP"
4841 "=" "^" "\M-^" "|"))
4847 '("n" "Gn" "p" "Gp"))
4850 (set-buffer gnus-article-current-summary)
4851 (let (gnus-pick-mode)
4852 (push (or key last-command-event) unread-command-events)
4853 (setq keys (if (featurep 'xemacs)
4854 (events-to-keys (read-key-sequence nil))
4855 (read-key-sequence nil)))))
4859 (if (or (member keys nosaves)
4860 (member keys nosave-but-article)
4861 (member keys nosave-in-article))
4863 (save-window-excursion
4864 (pop-to-buffer gnus-article-current-summary 'norecord)
4865 ;; We disable the pick minor mode commands.
4866 (let (gnus-pick-mode)
4867 (setq func (lookup-key (current-local-map) keys))))
4871 (unless (member keys nosave-in-article)
4872 (set-buffer gnus-article-current-summary))
4873 (call-interactively func)
4874 (setq new-sum-point (point)))
4875 (when (member keys nosave-but-article)
4876 (pop-to-buffer gnus-article-buffer 'norecord)))
4877 ;; These commands should restore window configuration.
4878 (let ((obuf (current-buffer))
4879 (owin (current-window-configuration))
4881 (summary gnus-article-current-summary)
4882 func in-buffer selected)
4883 (if not-restore-window
4884 (pop-to-buffer summary 'norecord)
4885 (switch-to-buffer summary 'norecord))
4886 (setq in-buffer (current-buffer))
4887 ;; We disable the pick minor mode commands.
4888 (if (and (setq func (let (gnus-pick-mode)
4889 (lookup-key (current-local-map) keys)))
4892 (call-interactively func)
4893 (setq new-sum-point (point))
4894 (when (eq in-buffer (current-buffer))
4895 (setq selected (gnus-summary-select-article))
4897 (unless not-restore-window
4898 (set-window-configuration owin))
4899 (when (eq selected 'old)
4901 (set-window-start (get-buffer-window (current-buffer))
4903 (set-window-point (get-buffer-window (current-buffer))
4905 (let ((win (get-buffer-window gnus-article-current-summary)))
4907 (set-window-point win new-sum-point)))) )
4908 (switch-to-buffer gnus-article-buffer)
4911 (defun gnus-article-describe-key (key)
4912 "Display documentation of the function invoked by KEY. KEY is a string."
4913 (interactive "kDescribe key: ")
4914 (gnus-article-check-buffer)
4915 (if (eq (key-binding key) 'gnus-article-read-summary-keys)
4917 (set-buffer gnus-article-current-summary)
4918 (let (gnus-pick-mode)
4919 (if (featurep 'xemacs)
4921 (push (elt key 0) unread-command-events)
4922 (setq key (events-to-keys
4923 (read-key-sequence "Describe key: "))))
4924 (setq unread-command-events
4926 (lambda (x) (if (>= x 128) (list 'meta (- x 128)) x))
4927 (string-to-list key)))
4928 (setq key (read-key-sequence "Describe key: "))))
4930 (describe-key key)))
4932 (defun gnus-article-describe-key-briefly (key &optional insert)
4933 "Display documentation of the function invoked by KEY. KEY is a string."
4934 (interactive "kDescribe key: \nP")
4935 (gnus-article-check-buffer)
4936 (if (eq (key-binding key) 'gnus-article-read-summary-keys)
4938 (set-buffer gnus-article-current-summary)
4939 (let (gnus-pick-mode)
4940 (if (featurep 'xemacs)
4942 (push (elt key 0) unread-command-events)
4943 (setq key (events-to-keys
4944 (read-key-sequence "Describe key: "))))
4945 (setq unread-command-events
4947 (lambda (x) (if (>= x 128) (list 'meta (- x 128)) x))
4948 (string-to-list key)))
4949 (setq key (read-key-sequence "Describe key: "))))
4950 (describe-key-briefly key insert))
4951 (describe-key-briefly key insert)))
4953 (defun gnus-article-reply-with-original (&optional wide)
4954 "Start composing a reply mail to the current message.
4955 The text in the region will be yanked. If the region isn't active,
4956 the entire article will be yanked."
4958 (let ((article (cdr gnus-article-current))
4960 (if (not (gnus-mark-active-p))
4961 (with-current-buffer gnus-summary-buffer
4962 (gnus-summary-reply (list (list article)) wide))
4963 (setq contents (buffer-substring (point) (mark t)))
4964 ;; Deactivate active regions.
4965 (when (and (boundp 'transient-mark-mode)
4966 transient-mark-mode)
4967 (setq mark-active nil))
4968 (with-current-buffer gnus-summary-buffer
4970 (list (list article contents)) wide)))))
4972 (defun gnus-article-followup-with-original ()
4973 "Compose a followup to the current article.
4974 The text in the region will be yanked. If the region isn't active,
4975 the entire article will be yanked."
4977 (let ((article (cdr gnus-article-current))
4979 (if (not (gnus-mark-active-p))
4980 (with-current-buffer gnus-summary-buffer
4981 (gnus-summary-followup (list (list article))))
4982 (setq contents (buffer-substring (point) (mark t)))
4983 ;; Deactivate active regions.
4984 (when (and (boundp 'transient-mark-mode)
4985 transient-mark-mode)
4986 (setq mark-active nil))
4987 (with-current-buffer gnus-summary-buffer
4988 (gnus-summary-followup
4989 (list (list article contents)))))))
4991 (defun gnus-article-hide (&optional arg force)
4992 "Hide all the gruft in the current article.
4993 This means that signatures, cited text and (some) headers will be
4995 If given a prefix, show the hidden text instead."
4996 (interactive (append (gnus-article-hidden-arg) (list 'force)))
4997 (gnus-article-hide-headers arg)
4998 (gnus-article-hide-list-identifiers arg)
4999 (gnus-article-hide-citation-maybe arg force)
5000 (gnus-article-hide-signature arg))
5002 (defun gnus-article-maybe-highlight ()
5003 "Do some article highlighting if article highlighting is requested."
5004 (when (gnus-visual-p 'article-highlight 'highlight)
5005 (gnus-article-highlight-some)))
5007 (defun gnus-check-group-server ()
5008 ;; Make sure the connection to the server is alive.
5009 (unless (gnus-server-opened
5010 (gnus-find-method-for-group gnus-newsgroup-name))
5011 (gnus-check-server (gnus-find-method-for-group gnus-newsgroup-name))
5012 (gnus-request-group gnus-newsgroup-name t)))
5015 (autoload 'nneething-get-file-name "nneething"))
5017 (defun gnus-request-article-this-buffer (article group)
5018 "Get an article and insert it into this buffer."
5019 (let (do-update-line sparse-header)
5023 (gnus-kill-all-overlays)
5024 (setq group (or group gnus-newsgroup-name))
5026 ;; Using `gnus-request-article' directly will insert the article into
5027 ;; `nntp-server-buffer' - so we'll save some time by not having to
5028 ;; copy it from the server buffer into the article buffer.
5030 ;; We only request an article by message-id when we do not have the
5031 ;; headers for it, so we'll have to get those.
5032 (when (stringp article)
5033 (gnus-read-header article))
5035 ;; If the article number is negative, that means that this article
5036 ;; doesn't belong in this newsgroup (possibly), so we find its
5037 ;; message-id and request it by id instead of number.
5038 (when (and (numberp article)
5040 (get-buffer gnus-summary-buffer)
5041 (gnus-buffer-exists-p gnus-summary-buffer))
5043 (set-buffer gnus-summary-buffer)
5044 (let ((header (gnus-summary-article-header article)))
5047 ((memq article gnus-newsgroup-sparse)
5048 ;; This is a sparse gap article.
5049 (setq do-update-line article)
5050 (setq article (mail-header-id header))
5051 (setq sparse-header (gnus-read-header article))
5052 (setq gnus-newsgroup-sparse
5053 (delq article gnus-newsgroup-sparse)))
5055 ;; It's a real article.
5056 (setq article (mail-header-id header)))
5058 ;; It is an extracted pseudo-article.
5059 (setq article 'pseudo)
5060 (gnus-request-pseudo-article header))))
5062 (let ((method (gnus-find-method-for-group
5063 gnus-newsgroup-name)))
5064 (when (and (eq (car method) 'nneething)
5066 (let ((dir (nneething-get-file-name
5067 (mail-header-id header))))
5068 (when (and (stringp dir)
5069 (file-directory-p dir))
5070 (setq article 'nneething)
5071 (gnus-group-enter-directory dir))))))))
5074 ;; Refuse to select canceled articles.
5075 ((and (numberp article)
5077 (get-buffer gnus-summary-buffer)
5078 (gnus-buffer-exists-p gnus-summary-buffer)
5079 (eq (cdr (save-excursion
5080 (set-buffer gnus-summary-buffer)
5081 (assq article gnus-newsgroup-reads)))
5082 gnus-canceled-mark))
5084 ;; We first check `gnus-original-article-buffer'.
5085 ((and (get-buffer gnus-original-article-buffer)
5088 (set-buffer gnus-original-article-buffer)
5089 (and (equal (car gnus-original-article) group)
5090 (eq (cdr gnus-original-article) article))))
5091 (insert-buffer-substring gnus-original-article-buffer)
5093 ;; Check the backlog.
5094 ((and gnus-keep-backlog
5095 (gnus-backlog-request-article group article (current-buffer)))
5097 ;; Check asynchronous pre-fetch.
5098 ((gnus-async-request-fetched-article group article (current-buffer))
5099 (gnus-async-prefetch-next group article gnus-summary-buffer)
5100 (when (and (numberp article) gnus-keep-backlog)
5101 (gnus-backlog-enter-article group article (current-buffer)))
5104 ((and gnus-use-cache
5106 (gnus-cache-request-article article group))
5108 ;; Check the agent cache.
5109 ((and gnus-agent gnus-agent-cache gnus-plugged
5111 (gnus-agent-request-article article group))
5113 ;; Get the article and put into the article buffer.
5114 ((or (stringp article)
5116 (let ((gnus-override-method gnus-override-method)
5117 (methods (and (stringp article)
5118 gnus-refer-article-method))
5119 (backend (car (gnus-find-method-for-group
5120 gnus-newsgroup-name)))
5122 (buffer-read-only nil))
5123 (if (or (not (listp methods))
5124 (and (symbolp (car methods))
5125 (assq (car methods) nnoo-definition-alist)))
5126 (setq methods (list methods)))
5127 (when (and (null gnus-override-method)
5129 (setq gnus-override-method (pop methods)))
5131 (when (eq gnus-override-method 'current)
5132 (setq gnus-override-method
5133 (with-current-buffer gnus-summary-buffer
5134 gnus-current-select-method)))
5136 (gnus-kill-all-overlays)
5137 (let ((gnus-newsgroup-name group))
5138 (gnus-check-group-server))
5140 ((gnus-request-article article group (current-buffer))
5141 (when (numberp article)
5142 (gnus-async-prefetch-next group article
5143 gnus-summary-buffer)
5144 (when gnus-keep-backlog
5145 (gnus-backlog-enter-article
5146 group article (current-buffer))))
5147 (setq result 'article))
5149 (setq gnus-override-method (pop methods)))
5150 ((not (string-match "^400 "
5151 (nnheader-get-report backend)))
5152 ;; If we get 400 server disconnect, reconnect and
5153 ;; retry; otherwise, assume the article has expired.
5154 (setq result 'done))))
5155 (and (eq result 'article) 'article)))
5159 ;; Associate this article with the current summary buffer.
5160 (setq gnus-article-current-summary gnus-summary-buffer)
5162 ;; Take the article from the original article buffer
5163 ;; and place it in the buffer it's supposed to be in.
5164 (when (and (get-buffer gnus-article-buffer)
5165 (equal (buffer-name (current-buffer))
5166 (buffer-name (get-buffer gnus-article-buffer))))
5168 (if (get-buffer gnus-original-article-buffer)
5169 (set-buffer gnus-original-article-buffer)
5170 (set-buffer (gnus-get-buffer-create gnus-original-article-buffer))
5171 (buffer-disable-undo)
5172 (setq major-mode 'gnus-original-article-mode)
5173 (setq buffer-read-only t))
5174 (let (buffer-read-only)
5176 (insert-buffer-substring gnus-article-buffer))
5177 (setq gnus-original-article (cons group article)))
5180 (run-hooks 'gnus-article-decode-hook)
5181 ;; Mark article as decoded or not.
5182 (setq gnus-article-decoded-p gnus-article-decode-hook))
5184 ;; Update sparse articles.
5185 (when (and do-update-line
5186 (or (numberp article)
5188 (let ((buf (current-buffer)))
5189 (set-buffer gnus-summary-buffer)
5190 (gnus-summary-update-article do-update-line sparse-header)
5191 (gnus-summary-goto-subject do-update-line nil t)
5192 (set-window-point (gnus-get-buffer-window (current-buffer) t)
5194 (set-buffer buf))))))
5200 (defcustom gnus-article-edit-mode-hook nil
5201 "Hook run in article edit mode buffers."
5202 :group 'gnus-article-various
5205 (defvar gnus-article-edit-done-function nil)
5207 (defvar gnus-article-edit-mode-map nil)
5208 (defvar gnus-article-edit-mode nil)
5210 ;; Should we be using derived.el for this?
5211 (unless gnus-article-edit-mode-map
5212 (setq gnus-article-edit-mode-map (make-keymap))
5213 (set-keymap-parent gnus-article-edit-mode-map text-mode-map)
5215 (gnus-define-keys gnus-article-edit-mode-map
5216 "\C-c?" describe-mode
5217 "\C-c\C-c" gnus-article-edit-done
5218 "\C-c\C-k" gnus-article-edit-exit
5219 "\C-c\C-f\C-t" message-goto-to
5220 "\C-c\C-f\C-o" message-goto-from
5221 "\C-c\C-f\C-b" message-goto-bcc
5222 ;;"\C-c\C-f\C-w" message-goto-fcc
5223 "\C-c\C-f\C-c" message-goto-cc
5224 "\C-c\C-f\C-s" message-goto-subject
5225 "\C-c\C-f\C-r" message-goto-reply-to
5226 "\C-c\C-f\C-n" message-goto-newsgroups
5227 "\C-c\C-f\C-d" message-goto-distribution
5228 "\C-c\C-f\C-f" message-goto-followup-to
5229 "\C-c\C-f\C-m" message-goto-mail-followup-to
5230 "\C-c\C-f\C-k" message-goto-keywords
5231 "\C-c\C-f\C-u" message-goto-summary
5232 "\C-c\C-f\C-i" message-insert-or-toggle-importance
5233 "\C-c\C-f\C-a" message-generate-unsubscribed-mail-followup-to
5234 "\C-c\C-b" message-goto-body
5235 "\C-c\C-i" message-goto-signature
5237 "\C-c\C-t" message-insert-to
5238 "\C-c\C-n" message-insert-newsgroups
5239 "\C-c\C-o" message-sort-headers
5240 "\C-c\C-e" message-elide-region
5241 "\C-c\C-v" message-delete-not-region
5242 "\C-c\C-z" message-kill-to-signature
5243 "\M-\r" message-newline-and-reformat
5244 "\C-c\C-a" mml-attach-file
5245 "\C-a" message-beginning-of-line
5247 "\M-;" comment-region)
5249 (gnus-define-keys (gnus-article-edit-wash-map
5250 "\C-c\C-w" gnus-article-edit-mode-map)
5251 "f" gnus-article-edit-full-stops))
5254 gnus-article-edit-mode-field-menu gnus-article-edit-mode-map ""
5256 ["Fetch To" message-insert-to t]
5257 ["Fetch Newsgroups" message-insert-newsgroups t]
5259 ["To" message-goto-to t]
5260 ["From" message-goto-from t]
5261 ["Subject" message-goto-subject t]
5262 ["Cc" message-goto-cc t]
5263 ["Reply-To" message-goto-reply-to t]
5264 ["Summary" message-goto-summary t]
5265 ["Keywords" message-goto-keywords t]
5266 ["Newsgroups" message-goto-newsgroups t]
5267 ["Followup-To" message-goto-followup-to t]
5268 ["Mail-Followup-To" message-goto-mail-followup-to t]
5269 ["Distribution" message-goto-distribution t]
5270 ["Body" message-goto-body t]
5271 ["Signature" message-goto-signature t]))
5273 (define-derived-mode gnus-article-edit-mode text-mode "Article Edit"
5274 "Major mode for editing articles.
5275 This is an extended text-mode.
5277 \\{gnus-article-edit-mode-map}"
5278 (make-local-variable 'gnus-article-edit-done-function)
5279 (make-local-variable 'gnus-prev-winconf)
5280 (set (make-local-variable 'font-lock-defaults)
5281 '(message-font-lock-keywords t))
5282 (set (make-local-variable 'mail-header-separator) "")
5283 (set (make-local-variable 'gnus-article-edit-mode) t)
5284 (easy-menu-add message-mode-field-menu message-mode-map)
5286 (setq buffer-read-only nil)
5287 (buffer-enable-undo)
5290 (defun gnus-article-edit (&optional force)
5291 "Edit the current article.
5292 This will have permanent effect only in mail groups.
5293 If FORCE is non-nil, allow editing of articles even in read-only
5296 (when (and (not force)
5297 (gnus-group-read-only-p))
5298 (error "The current newsgroup does not support article editing"))
5299 (gnus-article-date-original)
5300 (gnus-article-edit-article
5302 `(lambda (no-highlight)
5304 (gnus-summary-edit-article-done
5305 ,(or (mail-header-references gnus-current-headers) "")
5306 ,(gnus-group-read-only-p) ,gnus-summary-buffer no-highlight))))
5308 (defun gnus-article-edit-article (start-func exit-func)
5309 "Start editing the contents of the current article buffer."
5310 (let ((winconf (current-window-configuration)))
5311 (set-buffer gnus-article-buffer)
5312 (gnus-article-edit-mode)
5313 (funcall start-func)
5314 (set-buffer-modified-p nil)
5315 (gnus-configure-windows 'edit-article)
5316 (setq gnus-article-edit-done-function exit-func)
5317 (setq gnus-prev-winconf winconf)
5318 (gnus-message 6 "C-c C-c to end edits")))
5320 (defun gnus-article-edit-done (&optional arg)
5321 "Update the article edits and exit."
5323 (let ((func gnus-article-edit-done-function)
5324 (buf (current-buffer))
5325 (start (window-start))
5327 (winconf gnus-prev-winconf))
5328 (widen) ;; Widen it in case that users narrowed the buffer.
5331 ;; The cache and backlog have to be flushed somewhat.
5332 (when gnus-keep-backlog
5333 (gnus-backlog-remove-article
5334 (car gnus-article-current) (cdr gnus-article-current)))
5335 ;; Flush original article as well.
5337 (when (get-buffer gnus-original-article-buffer)
5338 (set-buffer gnus-original-article-buffer)
5339 (setq gnus-original-article nil)))
5340 (when gnus-use-cache
5341 (gnus-cache-update-article
5342 (car gnus-article-current) (cdr gnus-article-current)))
5343 ;; We remove all text props from the article buffer.
5344 (kill-all-local-variables)
5345 (gnus-set-text-properties (point-min) (point-max) nil)
5347 (set-window-configuration winconf)
5349 (set-window-start (get-buffer-window buf) start)
5350 (set-window-point (get-buffer-window buf) (point))))
5352 (defun gnus-article-edit-exit ()
5353 "Exit the article editing without updating."
5355 (when (or (not (buffer-modified-p))
5356 (yes-or-no-p "Article modified; kill anyway? "))
5357 (let ((curbuf (current-buffer))
5359 (window-start (window-start)))
5361 (if (gnus-buffer-live-p gnus-original-article-buffer)
5362 (insert-buffer gnus-original-article-buffer))
5363 (let ((winconf gnus-prev-winconf))
5364 (kill-all-local-variables)
5366 (set-window-configuration winconf)
5367 ;; Tippy-toe some to make sure that point remains where it was.
5368 (save-current-buffer
5370 (set-window-start (get-buffer-window (current-buffer)) window-start)
5373 (defun gnus-article-edit-full-stops ()
5374 "Interactively repair spacing at end of sentences."
5377 (goto-char (point-min))
5378 (search-forward-regexp "^$" nil t)
5379 (let ((case-fold-search nil))
5380 (query-replace-regexp "\\([.!?][])}]* \\)\\([[({A-Z]\\)" "\\1 \\2"))))
5383 ;;; Article highlights
5386 ;; Written by Per Abrahamsen <abraham@iesd.auc.dk>.
5388 ;;; Internal Variables:
5390 (defcustom gnus-button-url-regexp
5391 (if (string-match "[[:digit:]]" "1") ;; support POSIX?
5392 "\\b\\(\\(www\\.\\|\\(s?https?\\|ftp\\|file\\|gopher\\|news\\|telnet\\|wais\\|mailto\\|info\\):\\)\\(//[-a-z0-9_.]+:[0-9]*\\)?[-a-z0-9_=!?#$@~`%&*+\\/:;.,[:word:]]+[-a-z0-9_=#$@~`%&*+\\/[:word:]]\\)"
5393 "\\b\\(\\(www\\.\\|\\(s?https?\\|ftp\\|file\\|gopher\\|news\\|telnet\\|wais\\|mailto\\|info\\):\\)\\(//[-a-z0-9_.]+:[0-9]*\\)?\\([-a-z0-9_=!?#$@~`%&*+\\/:;.,]\\|\\w\\)+\\([-a-z0-9_=#$@~`%&*+\\/]\\|\\w\\)\\)")
5394 "Regular expression that matches URLs."
5395 :group 'gnus-article-buttons
5398 (defcustom gnus-button-valid-fqdn-regexp
5399 (concat "[a-z0-9][-.a-z0-9]+\\." ;; [hostname.subdomain.]domain.
5401 "\\([a-z][a-z]" ;; two letter country TDLs
5402 "\\|biz\\|com\\|edu\\|gov\\|int\\|mil\\|net\\|org"
5403 "\\|aero\\|coop\\|info\\|name\\|museum"
5404 "\\|arpa\\|pro\\|uucp\\|bitnet\\|bofh" ;; old style?
5406 "Regular expression that matches a valid FQDN."
5407 :group 'gnus-article-buttons
5410 (defcustom gnus-button-man-handler 'manual-entry
5411 "Function to use for displaying man pages.
5412 The function must take at least one argument with a string naming the
5414 :type '(choice (function-item :tag "Man" manual-entry)
5415 (function-item :tag "Woman" woman)
5416 (function :tag "Other"))
5417 :group 'gnus-article-buttons)
5419 (defcustom gnus-ctan-url "http://tug.ctan.org/tex-archive/"
5420 "Top directory of a CTAN \(Comprehensive TeX Archive Network\) archive.
5421 If the default site is too slow, try to find a CTAN mirror, see
5422 <URL:http://tug.ctan.org/tex-archive/CTAN.sites?action=/index.html>. See also
5423 the variable `gnus-button-handle-ctan'."
5424 :group 'gnus-article-buttons
5425 :link '(custom-manual "(gnus)Group Parameters")
5426 :type '(choice (const "http://www.tex.ac.uk/tex-archive/")
5427 (const "http://tug.ctan.org/tex-archive/")
5428 (const "http://www.dante.de/CTAN/")
5429 (string :tag "Other")))
5431 (defcustom gnus-button-ctan-handler 'browse-url
5432 "Function to use for displaying CTAN links.
5433 The function must take one argument, the string naming the URL."
5434 :type '(choice (function-item :tag "Browse Url" browse-url)
5435 (function :tag "Other"))
5436 :group 'gnus-article-buttons)
5438 (defcustom gnus-button-handle-ctan-bogus-regexp "^/?tex-archive/\\|^/"
5439 "Bogus strings removed from CTAN URLs."
5440 :group 'gnus-article-buttons
5441 :type '(choice (const "^/?tex-archive/\\|/")
5442 (regexp :tag "Other")))
5444 (defcustom gnus-button-mid-or-mail-regexp
5445 (concat "\\b\\(<?[a-z0-9][^<>\")!;:,{}\n\t ]*@"
5446 gnus-button-valid-fqdn-regexp
5448 "Regular expression that matches a message ID or a mail address."
5449 :group 'gnus-article-buttons
5452 (defcustom gnus-button-prefer-mid-or-mail 'guess
5453 "What to do when the button on a string as \"foo123@bar.com\" is pushed.
5454 Strings like this can be either a message ID or a mail address. If the
5455 variable is set to the symbol `ask', query the user what do do. If it is the
5456 symbol `guess', Gnus will do a guess and query the user what do do if it is
5457 ambiguous. See the variable `gnus-button-guessed-mid-regexp' for details
5458 concerning the guessing. If it is one of the sybols `mid' or `mail', Gnus
5459 will always assume that the string is a message ID or a mail address,
5461 ;; FIXME: doc-string could/should be improved.
5462 :group 'gnus-article-buttons
5463 :type '(choice (const ask)
5468 (defcustom gnus-button-guessed-mid-regexp
5470 "^<?\\(slrn\\|Pine\\.\\)"
5471 "\\|\\.fsf@\\|\\.fsf_-_@\\|\\.ln@"
5472 "\\|@4ax\\.com\\|@ID-[0-9]+\\.[a-zA-Z]+\\.dfncis\\.de"
5473 "\\|^<?.*[0-9].*[0-9].*[0-9].*[0-9].*[0-9].*[0-9].*@")
5474 "Regular expression that matches message IDs and not mail addresses."
5475 ;; TODO: Incorporate more matches from
5476 ;; <URL:http://piology.org/perl/id-or-mail.pl.html>. I.e. translate the
5477 ;; Perl-REs to Elisp-REs.
5478 :group 'gnus-article-buttons
5481 (defun gnus-button-handle-mid-or-mail (mid-or-mail)
5482 (let* ((pref gnus-button-prefer-mid-or-mail)
5483 (url-mid (concat "news" ":" mid-or-mail))
5484 (url-mailto (concat "mailto" ":" mid-or-mail)))
5485 (gnus-message 9 "mid-or-mail=%s" mid-or-mail)
5486 ;; If it looks like a MID (well known readers or servers) use 'mid,
5487 ;; otherwise 'ask the user.
5488 (if (eq pref 'guess)
5489 (if (string-match gnus-button-guessed-mid-regexp mid-or-mail)
5493 (save-window-excursion
5494 (if (y-or-n-p (concat "Is <" mid-or-mail "> a mail address? "))
5497 (cond ((eq pref 'mid)
5498 (gnus-message 9 "calling `gnus-button-handle-news' %s" url-mid)
5499 (gnus-button-handle-news url-mid))
5501 (gnus-message 9 "calling `gnus-url-mailto' %s" url-mailto)
5502 (gnus-url-mailto url-mailto)))))
5504 (defun gnus-button-handle-custom (url)
5505 "Follow a Custom URL."
5506 (customize-apropos (gnus-url-unhex-string url)))
5508 (defvar gnus-button-handle-describe-prefix "^\\(C-h\\|<?[Ff]1>?\\)")
5510 (defun gnus-button-handle-describe-function (url)
5511 "Call describe-function when pushing the corresponding URL button."
5514 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))))
5516 (defun gnus-button-handle-describe-variable (url)
5517 "Call describe-variable when pushing the corresponding URL button."
5520 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))))
5522 ;; FIXME: Is is possible to implement this? Else it should be removed here
5523 ;; and in `gnus-button-alist'.
5524 (defun gnus-button-handle-describe-key (url)
5525 "Call describe-key when pushing the corresponding URL button."
5526 (error "not implemented"))
5528 (defun gnus-button-handle-apropos (url)
5529 "Call apropos when pushing the corresponding URL button."
5530 (apropos (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
5532 (defun gnus-button-handle-apropos-command (url)
5533 "Call apropos when pushing the corresponding URL button."
5535 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
5537 (defun gnus-button-handle-apropos-variable (url)
5538 "Call apropos when pushing the corresponding URL button."
5540 (if (fboundp 'apropos-variable) 'apropos-variable 'apropos)
5541 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
5543 (defun gnus-button-handle-apropos-documentation (url)
5544 "Call apropos when pushing the corresponding URL button."
5546 (if (fboundp 'apropos-documentation) 'apropos-documentation 'apropos)
5547 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
5549 (defun gnus-button-handle-ctan (url)
5550 "Call `browse-url' when pushing a CTAN URL button."
5552 gnus-button-ctan-handler
5555 (gnus-replace-in-string url gnus-button-handle-ctan-bogus-regexp ""))))
5557 (defcustom gnus-button-tex-level 5
5558 "*Integer that says how many TeX-related buttons Gnus will show.
5559 The higher the number, the more buttons will appear and the more false
5560 positives are possible. Note that you can set this variable local to
5561 specifific groups. Setting it higher in TeX groups is probably a good idea.
5562 See Info node `(gnus)Group Parameters' and the variable `gnus-parameters' on
5563 how to set variables in specific groups."
5564 :group 'gnus-article-buttons
5565 :link '(custom-manual "(gnus)Group Parameters")
5568 (defcustom gnus-button-man-level 5
5569 "*Integer that says how many man-related buttons Gnus will show.
5570 The higher the number, the more buttons will appear and the more false
5571 positives are possible. Note that you can set this variable local to
5572 specifific groups. Setting it higher in Unix groups is probably a good idea.
5573 See Info node `(gnus)Group Parameters' and the variable `gnus-parameters' on
5574 how to set variables in specific groups."
5575 :group 'gnus-article-buttons
5576 :link '(custom-manual "(gnus)Group Parameters")
5579 (defcustom gnus-button-emacs-level 5
5580 "*Integer that says how many emacs-related buttons Gnus will show.
5581 The higher the number, the more buttons will appear and the more false
5582 positives are possible. Note that you can set this variable local to
5583 specifific groups. Setting it higher in Emacs or Gnus related groups is
5584 probably a good idea. See Info node `(gnus)Group Parameters' and the variable
5585 `gnus-parameters' on how to set variables in specific groups."
5586 :group 'gnus-article-buttons
5587 :link '(custom-manual "(gnus)Group Parameters")
5590 (defcustom gnus-button-mail-level 5
5591 "*Integer that says how many buttons for message IDs or mail addresses will appear.
5592 The higher the number, the more buttons will appear and the more false
5593 positives are possible."
5594 :group 'gnus-article-buttons
5597 (defcustom gnus-button-alist
5598 '(("<\\(url:[>\n\t ]*?\\)?\\(nntp\\|news\\):[>\n\t ]*\\([^>\n\t ]*@[^>\n\t ]*\\)>"
5599 0 t gnus-button-handle-news 3)
5600 ("\\b\\(nntp\\|news\\):\\([^>\n\t ]*@[^>)!;:,\n\t ]*\\)" 0 t
5601 gnus-button-handle-news 2)
5602 ("\\(\\b<\\(url:[>\n\t ]*\\)?news:[>\n\t ]*\\(//\\)?\\([^>\n\t ]*\\)>\\)"
5604 gnus-button-fetch-group 4)
5605 ("\\bnews:\\(//\\)?\\([^'\">\n\t ]+\\)" 0 t gnus-button-fetch-group 2)
5606 ("\\bin\\( +article\\| +message\\)? +\\(<\\([^\n @<>]+@[^\n @<>]+\\)>\\)" 2
5607 t gnus-button-message-id 3)
5608 ("\\(<URL: *\\)mailto: *\\([^> \n\t]+\\)>" 0 t gnus-url-mailto 2)
5609 ("mailto:\\([-a-z.@_+0-9%=?]+\\)" 0 t gnus-url-mailto 1)
5610 ("\\bmailto:\\([^ \n\t]+\\)" 0 t gnus-url-mailto 1)
5612 ("\\bCTAN:[ \t\n]*\\([^>)!;:,\n\t ]*\\)" 0 (>= gnus-button-tex-level 1)
5613 gnus-button-handle-ctan 1)
5615 ("\\binfo:\\(//\\)?\\([^'\">\n\t ]+\\)" 0
5616 (>= gnus-button-emacs-level 1) gnus-button-handle-info 2)
5618 ("\\bcustom:\\(//\\)?\\([^'\">\n\t ]+\\)" 0
5619 (>= gnus-button-emacs-level 5) gnus-button-handle-custom 2)
5620 ("M-x[ \t\n]customize-[^ ]+[ \t\n]RET[ \t\n]\\([^ ]+\\)[ \t\n]RET" 0
5621 (>= gnus-button-emacs-level 1) gnus-button-handle-custom 1)
5622 ;; Emacs help commands
5623 ("M-x[ \t\n]+apropos[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
5624 ;; regexp doesn't match arguments containing ` '.
5625 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos 1)
5626 ("M-x[ \t\n]+apropos-command[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
5627 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-command 1)
5628 ("M-x[ \t\n]+apropos-variable[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
5629 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-variable 1)
5630 ("M-x[ \t\n]+apropos-documentation[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
5631 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-documentation 1)
5632 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+f[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
5633 0 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-function 2)
5634 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+v[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
5635 0 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-variable 2)
5636 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+k[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+" 0
5637 ;; this regexp needs to be fixed!
5638 (>= gnus-button-emacs-level 9) gnus-button-handle-describe-key 2)
5639 ;; This is how URLs _should_ be embedded in text...
5640 ("<URL: *\\([^<>]*\\)>" 1 t gnus-button-embedded-url 1)
5642 (gnus-button-url-regexp 0 t browse-url 0)
5644 ("\\b\\([a-z][a-z]+\\)([1-9])\\W" 0
5645 (and (>= gnus-button-man-level 1) (< gnus-button-man-level 3))
5646 gnus-button-handle-man 1)
5647 ;; more man pages: resolv.conf(5), iso_8859-1(7), xterm(1x)
5648 ("\\b\\([a-z][-_.a-z0-9]+\\)([1-9])\\W" 0
5649 (and (>= gnus-button-man-level 3) (< gnus-button-man-level 5))
5650 gnus-button-handle-man 1)
5651 ;; even more: Apache::PerlRun(3pm), PDL::IO::FastRaw(3pm),
5652 ;; SoWWWAnchor(3iv), XSelectInput(3X11)
5653 ("\\b\\([a-z][-_.:a-z0-9]+\\)([1-9][X1a-z]*)\\W" 0
5654 (>= gnus-button-man-level 5) gnus-button-handle-man 1)
5655 ;; MID or mail: To avoid too many false positives we don't try to catch
5656 ;; all kind of allowed MIDs or mail addresses. Domain part must contain
5657 ;; at least one dot. TLD must contain two or three chars or be a know TLD
5658 ;; (info|name|...). Put this entry near the _end_ of `gnus-button-alist'
5659 ;; so that non-ambiguous entries (see above) match first.
5660 (gnus-button-mid-or-mail-regexp
5661 0 (>= gnus-button-mail-level 5) gnus-button-handle-mid-or-mail 1))
5662 "*Alist of regexps matching buttons in article bodies.
5664 Each entry has the form (REGEXP BUTTON FORM CALLBACK PAR...), where
5665 REGEXP: is the string (case insensitive) matching text around the button (can
5666 also be lisp expression evaluating to a string),
5667 BUTTON: is the number of the regexp grouping actually matching the button,
5668 FORM: is a lisp expression which must eval to true for the button to
5670 CALLBACK: is the function to call when the user push this button, and each
5671 PAR: is a number of a regexp grouping whose text will be passed to CALLBACK.
5673 CALLBACK can also be a variable, in that case the value of that
5674 variable it the real callback function."
5675 :group 'gnus-article-buttons
5676 :type '(repeat (list (choice regexp variable)
5677 (integer :tag "Button")
5679 (function :tag "Callback")
5682 (integer :tag "Regexp group")))))
5684 (defcustom gnus-header-button-alist
5685 '(("^\\(References\\|Message-I[Dd]\\):" "<[^<>]+>"
5686 0 t gnus-button-message-id 0)
5687 ("^\\(From\\|Reply-To\\):" ": *\\(.+\\)$" 1 t gnus-button-reply 1)
5688 ("^\\(Cc\\|To\\):" "[^ \t\n<>,()\"]+@[^ \t\n<>,()\"]+"
5689 0 t gnus-button-mailto 0)
5690 ("^X-[Uu][Rr][Ll]:" gnus-button-url-regexp 0 t browse-url 0)
5691 ("^Subject:" gnus-button-url-regexp 0 t browse-url 0)
5692 ("^[^:]+:" gnus-button-url-regexp 0 t browse-url 0)
5693 ("^[^:]+:" "\\bmailto:\\([-a-z.@_+0-9%=?]+\\)" 0 t gnus-url-mailto 1)
5694 ("^[^:]+:" "\\(<\\(url: \\)?news:\\([^>\n ]*\\)>\\)" 1 t
5695 gnus-button-message-id 3))
5696 "*Alist of headers and regexps to match buttons in article heads.
5698 This alist is very similar to `gnus-button-alist', except that each
5699 alist has an additional HEADER element first in each entry:
5701 \(HEADER REGEXP BUTTON FORM CALLBACK PAR)
5703 HEADER is a regexp to match a header. For a fuller explanation, see
5704 `gnus-button-alist'."
5705 :group 'gnus-article-buttons
5706 :group 'gnus-article-headers
5707 :type '(repeat (list (regexp :tag "Header")
5709 (integer :tag "Button")
5711 (function :tag "Callback")
5714 (integer :tag "Regexp group")))))
5716 (defvar gnus-button-regexp nil)
5717 (defvar gnus-button-marker-list nil)
5718 ;; Regexp matching any of the regexps from `gnus-button-alist'.
5720 (defvar gnus-button-last nil)
5721 ;; The value of `gnus-button-alist' when `gnus-button-regexp' was build.
5725 (defun gnus-article-push-button (event)
5726 "Check text under the mouse pointer for a callback function.
5727 If the text under the mouse pointer has a `gnus-callback' property,
5728 call it with the value of the `gnus-data' text property."
5730 (set-buffer (window-buffer (posn-window (event-start event))))
5731 (let* ((pos (posn-point (event-start event)))
5732 (data (get-text-property pos 'gnus-data))
5733 (fun (get-text-property pos 'gnus-callback)))
5736 (funcall fun data))))
5738 (defun gnus-article-press-button ()
5739 "Check text at point for a callback function.
5740 If the text at point has a `gnus-callback' property,
5741 call it with the value of the `gnus-data' text property."
5743 (let ((data (get-text-property (point) 'gnus-data))
5744 (fun (get-text-property (point) 'gnus-callback)))
5746 (funcall fun data))))
5748 (defun gnus-article-highlight (&optional force)
5749 "Highlight current article.
5750 This function calls `gnus-article-highlight-headers',
5751 `gnus-article-highlight-citation',
5752 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
5753 do the highlighting. See the documentation for those functions."
5754 (interactive (list 'force))
5755 (gnus-article-highlight-headers)
5756 (gnus-article-highlight-citation force)
5757 (gnus-article-highlight-signature)
5758 (gnus-article-add-buttons force)
5759 (gnus-article-add-buttons-to-head))
5761 (defun gnus-article-highlight-some (&optional force)
5762 "Highlight current article.
5763 This function calls `gnus-article-highlight-headers',
5764 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
5765 do the highlighting. See the documentation for those functions."
5766 (interactive (list 'force))
5767 (gnus-article-highlight-headers)
5768 (gnus-article-highlight-signature)
5769 (gnus-article-add-buttons))
5771 (defun gnus-article-highlight-headers ()
5772 "Highlight article headers as specified by `gnus-header-face-alist'."
5775 (set-buffer gnus-article-buffer)
5777 (let ((alist gnus-header-face-alist)
5778 (buffer-read-only nil)
5779 (case-fold-search t)
5780 (inhibit-point-motion-hooks t)
5781 entry regexp header-face field-face from hpoints fpoints)
5782 (article-narrow-to-head)
5783 (while (setq entry (pop alist))
5784 (goto-char (point-min))
5785 (setq regexp (concat "^\\("
5786 (if (string-equal "" (nth 0 entry))
5790 header-face (nth 1 entry)
5791 field-face (nth 2 entry))
5792 (while (and (re-search-forward regexp nil t)
5796 (unless (search-forward ":" nil t)
5798 (when (and header-face
5799 (not (memq (point) hpoints)))
5800 (push (point) hpoints)
5801 (gnus-put-text-property from (point) 'face header-face))
5802 (when (and field-face
5803 (not (memq (setq from (point)) fpoints)))
5805 (if (re-search-forward "^[^ \t]" nil t)
5807 (goto-char (point-max)))
5808 (gnus-put-text-property from (point) 'face field-face))))))))
5810 (defun gnus-article-highlight-signature ()
5811 "Highlight the signature in an article.
5812 It does this by highlighting everything after
5813 `gnus-signature-separator' using `gnus-signature-face'."
5816 (set-buffer gnus-article-buffer)
5817 (let ((buffer-read-only nil)
5818 (inhibit-point-motion-hooks t))
5820 (when (and gnus-signature-face
5821 (gnus-article-narrow-to-signature))
5822 (gnus-overlay-put (gnus-make-overlay (point-min) (point-max))
5823 'face gnus-signature-face)
5825 (gnus-article-search-signature)
5826 (let ((start (match-beginning 0))
5827 (end (set-marker (make-marker) (1+ (match-end 0)))))
5828 (gnus-article-add-button start (1- end) 'gnus-signature-toggle
5831 (defun gnus-button-in-region-p (b e prop)
5832 "Say whether PROP exists in the region."
5833 (text-property-not-all b e prop nil))
5835 (defun gnus-article-add-buttons (&optional force)
5836 "Find external references in the article and make buttons of them.
5837 \"External references\" are things like Message-IDs and URLs, as
5838 specified by `gnus-button-alist'."
5839 (interactive (list 'force))
5841 (set-buffer gnus-article-buffer)
5842 (let ((buffer-read-only nil)
5843 (inhibit-point-motion-hooks t)
5844 (case-fold-search t)
5845 (alist gnus-button-alist)
5847 ;; Remove all old markers.
5848 (let (marker entry new-list)
5849 (while (setq marker (pop gnus-button-marker-list))
5850 (if (or (< marker (point-min)) (>= marker (point-max)))
5851 (push marker new-list)
5853 (when (setq entry (gnus-button-entry))
5854 (put-text-property (match-beginning (nth 1 entry))
5855 (match-end (nth 1 entry))
5856 'gnus-callback nil))
5857 (set-marker marker nil)))
5858 (setq gnus-button-marker-list new-list))
5859 ;; We skip the headers.
5862 (while (setq entry (pop alist))
5863 (setq regexp (eval (car entry)))
5865 (while (re-search-forward regexp nil t)
5866 (let* ((start (and entry (match-beginning (nth 1 entry))))
5867 (end (and entry (match-end (nth 1 entry))))
5868 (from (match-beginning 0)))
5869 (when (and (or (eq t (nth 2 entry))
5870 (eval (nth 2 entry)))
5871 (not (gnus-button-in-region-p
5872 start end 'gnus-callback)))
5873 ;; That optional form returned non-nil, so we add the
5875 (gnus-article-add-button
5876 start end 'gnus-button-push
5877 (car (push (set-marker (make-marker) from)
5878 gnus-button-marker-list))))))))))
5880 ;; Add buttons to the head of an article.
5881 (defun gnus-article-add-buttons-to-head ()
5882 "Add buttons to the head of the article."
5885 (set-buffer gnus-article-buffer)
5887 (let ((buffer-read-only nil)
5888 (inhibit-point-motion-hooks t)
5889 (case-fold-search t)
5890 (alist gnus-header-button-alist)
5892 (article-narrow-to-head)
5894 ;; Each alist entry.
5895 (setq entry (car alist)
5897 (goto-char (point-min))
5898 (while (re-search-forward (car entry) nil t)
5899 ;; Each header matching the entry.
5900 (setq beg (match-beginning 0))
5901 (setq end (or (and (re-search-forward "^[^ \t]" nil t)
5902 (match-beginning 0))
5905 (while (re-search-forward (eval (nth 1 entry)) end t)
5906 ;; Each match within a header.
5907 (let* ((entry (cdr entry))
5908 (start (match-beginning (nth 1 entry)))
5909 (end (match-end (nth 1 entry)))
5910 (form (nth 2 entry)))
5911 (goto-char (match-end 0))
5913 (gnus-article-add-button
5914 start end (nth 3 entry)
5915 (buffer-substring (match-beginning (nth 4 entry))
5916 (match-end (nth 4 entry)))))))
5917 (goto-char end)))))))
5919 ;;; External functions:
5921 (defun gnus-article-add-button (from to fun &optional data)
5922 "Create a button between FROM and TO with callback FUN and data DATA."
5923 (when gnus-article-button-face
5924 (gnus-overlay-put (gnus-make-overlay from to)
5925 'face gnus-article-button-face))
5926 (gnus-add-text-properties
5928 (nconc (and gnus-article-mouse-face
5929 (list gnus-mouse-face-prop gnus-article-mouse-face))
5930 (list 'gnus-callback fun)
5931 (and data (list 'gnus-data data))))
5932 (widget-convert-button 'link from to :action 'gnus-widget-press-button
5933 :button-keymap gnus-widget-button-keymap))
5935 ;;; Internal functions:
5937 (defun gnus-article-set-globals ()
5939 (set-buffer gnus-summary-buffer)
5940 (gnus-set-global-variables)))
5942 (defun gnus-signature-toggle (end)
5944 (set-buffer gnus-article-buffer)
5945 (let ((buffer-read-only nil)
5946 (inhibit-point-motion-hooks t))
5947 (if (text-property-any end (point-max) 'article-type 'signature)
5949 (gnus-delete-wash-type 'signature)
5950 (gnus-remove-text-properties-when
5951 'article-type 'signature end (point-max)
5952 (cons 'article-type (cons 'signature
5953 gnus-hidden-properties))))
5954 (gnus-add-wash-type 'signature)
5955 (gnus-add-text-properties-when
5956 'article-type nil end (point-max)
5957 (cons 'article-type (cons 'signature
5958 gnus-hidden-properties)))))
5959 (let ((gnus-article-mime-handle-alist-1 gnus-article-mime-handle-alist))
5960 (gnus-set-mode-line 'article))))
5962 (defun gnus-button-entry ()
5963 ;; Return the first entry in `gnus-button-alist' matching this place.
5964 (let ((alist gnus-button-alist)
5967 (setq entry (pop alist))
5968 (if (looking-at (eval (car entry)))
5973 (defun gnus-button-push (marker)
5974 ;; Push button starting at MARKER.
5977 (let* ((entry (gnus-button-entry))
5978 (inhibit-point-motion-hooks t)
5980 (args (mapcar (lambda (group)
5981 (let ((string (match-string group)))
5982 (gnus-set-text-properties
5983 0 (length string) nil string)
5990 (fboundp (symbol-value fun)))
5991 (apply (symbol-value fun) args))
5993 (gnus-message 1 "You must define `%S' to use this button"
5994 (cons fun args)))))))
5996 (defun gnus-parse-news-url (url)
5997 (let (scheme server group message-id articles)
6000 (goto-char (point-min))
6001 (when (looking-at "\\([A-Za-z]+\\):")
6002 (setq scheme (match-string 1))
6003 (goto-char (match-end 0)))
6004 (when (looking-at "//\\([^/]+\\)/")
6005 (setq server (match-string 1))
6006 (goto-char (match-end 0)))
6009 ((looking-at "\\(.*@.*\\)")
6010 (setq message-id (match-string 1)))
6011 ((looking-at "\\([^/]+\\)/\\([-0-9]+\\)")
6012 (setq group (match-string 1)
6013 articles (split-string (match-string 2) "-")))
6014 ((looking-at "\\([^/]+\\)/?")
6015 (setq group (match-string 1)))
6017 (error "Unknown news URL syntax"))))
6018 (list scheme server group message-id articles)))
6020 (defun gnus-button-handle-news (url)
6022 (destructuring-bind (scheme server group message-id articles)
6023 (gnus-parse-news-url url)
6027 (set-buffer gnus-summary-buffer)
6029 (let ((gnus-refer-article-method (list (list 'nntp server))))
6030 (gnus-summary-refer-article message-id))
6031 (gnus-summary-refer-article message-id))))
6033 (gnus-button-fetch-group url)))))
6035 (defun gnus-button-handle-man (url)
6037 (funcall gnus-button-man-handler url))
6039 (defun gnus-button-handle-info (url)
6040 "Fetch an info URL."
6042 "^\\([^:/]+\\)?/\\(.*\\)"
6044 (gnus-info-find-node
6045 (concat "(" (or (gnus-url-unhex-string (match-string 1 url))
6048 (gnus-url-unhex-string (match-string 2 url))))
6049 (error "Can't parse %s" url)))
6051 (defun gnus-button-message-id (message-id)
6054 (set-buffer gnus-summary-buffer)
6055 (gnus-summary-refer-article message-id)))
6057 (defun gnus-button-fetch-group (address)
6058 "Fetch GROUP specified by ADDRESS."
6059 (if (not (string-match "[:/]" address))
6060 ;; This is just a simple group url.
6061 (gnus-group-read-ephemeral-group address gnus-select-method)
6064 "^\\([^:/]+\\)\\(:\\([^/]+\\)\\)?/\\([^/]+\\)\\(/\\([0-9]+\\)\\)?"
6066 (error "Can't parse %s" address)
6067 (gnus-group-read-ephemeral-group
6068 (match-string 4 address)
6069 `(nntp ,(match-string 1 address)
6070 (nntp-address ,(match-string 1 address))
6071 (nntp-port-number ,(if (match-end 3)
6072 (match-string 3 address)
6075 (and (match-end 6) (list (string-to-int (match-string 6 address))))))))
6077 (defun gnus-url-parse-query-string (query &optional downcase)
6078 (let (retval pairs cur key val)
6079 (setq pairs (split-string query "&"))
6081 (setq cur (car pairs)
6083 (if (not (string-match "=" cur))
6085 (setq key (gnus-url-unhex-string (substring cur 0 (match-beginning 0)))
6086 val (gnus-url-unhex-string (substring cur (match-end 0) nil) t))
6088 (setq key (downcase key)))
6089 (setq cur (assoc key retval))
6091 (setcdr cur (cons val (cdr cur)))
6092 (setq retval (cons (list key val) retval)))))
6095 (defun gnus-url-mailto (url)
6096 ;; Send mail to someone
6097 (when (string-match "mailto:/*\\(.*\\)" url)
6098 (setq url (substring url (match-beginning 1) nil)))
6099 (let (to args subject func)
6100 (if (string-match (regexp-quote "?") url)
6101 (setq to (gnus-url-unhex-string (substring url 0 (match-beginning 0)))
6102 args (gnus-url-parse-query-string
6103 (substring url (match-end 0) nil) t))
6104 (setq to (gnus-url-unhex-string url)))
6105 (setq args (cons (list "to" to) args)
6106 subject (cdr-safe (assoc "subject" args)))
6109 (setq func (intern-soft (concat "message-goto-" (downcase (caar args)))))
6112 (message-position-on-field (caar args)))
6113 (insert (mapconcat 'identity (cdar args) ", "))
6114 (setq args (cdr args)))
6117 (message-goto-subject))))
6119 (defun gnus-button-embedded-url (address)
6120 "Activate ADDRESS with `browse-url'."
6121 (browse-url (gnus-strip-whitespace address)))
6123 ;;; Next/prev buttons in the article buffer.
6125 (defvar gnus-next-page-line-format "%{%(Next page...%)%}\n")
6126 (defvar gnus-prev-page-line-format "%{%(Previous page...%)%}\n")
6128 (defvar gnus-prev-page-map
6129 (let ((map (make-sparse-keymap)))
6130 (unless (>= emacs-major-version 21)
6131 ;; XEmacs doesn't care.
6132 (set-keymap-parent map gnus-article-mode-map))
6133 (define-key map gnus-mouse-2 'gnus-button-prev-page)
6134 (define-key map "\r" 'gnus-button-prev-page)
6137 (defun gnus-insert-prev-page-button ()
6139 (buffer-read-only nil))
6141 gnus-prev-page-line-format nil
6142 `(,@(gnus-local-map-property gnus-prev-page-map)
6144 gnus-callback gnus-article-button-prev-page
6145 article-type annotation))
6146 (widget-convert-button
6148 :action 'gnus-button-prev-page
6149 :button-keymap gnus-prev-page-map)))
6151 (defvar gnus-prev-page-map
6152 (let ((map (make-sparse-keymap)))
6153 (unless (>= emacs-major-version 21)
6154 ;; XEmacs doesn't care.
6155 (set-keymap-parent map gnus-article-mode-map))
6156 (define-key map gnus-mouse-2 'gnus-button-prev-page)
6157 (define-key map "\r" 'gnus-button-prev-page)
6160 (defvar gnus-next-page-map
6161 (let ((map (make-sparse-keymap)))
6162 (unless (>= emacs-major-version 21)
6163 ;; XEmacs doesn't care.
6164 (set-keymap-parent map gnus-article-mode-map))
6165 (define-key map gnus-mouse-2 'gnus-button-next-page)
6166 (define-key map "\r" 'gnus-button-next-page)
6169 (defun gnus-button-next-page (&optional args more-args)
6170 "Go to the next page."
6172 (let ((win (selected-window)))
6173 (select-window (gnus-get-buffer-window gnus-article-buffer t))
6174 (gnus-article-next-page)
6175 (select-window win)))
6177 (defun gnus-button-prev-page (&optional args more-args)
6178 "Go to the prev page."
6180 (let ((win (selected-window)))
6181 (select-window (gnus-get-buffer-window gnus-article-buffer t))
6182 (gnus-article-prev-page)
6183 (select-window win)))
6185 (defun gnus-insert-next-page-button ()
6187 (buffer-read-only nil))
6188 (gnus-eval-format gnus-next-page-line-format nil
6189 `(,@(gnus-local-map-property gnus-next-page-map)
6191 gnus-callback gnus-article-button-next-page
6192 article-type annotation))
6193 (widget-convert-button
6195 :action 'gnus-button-next-page
6196 :button-keymap gnus-next-page-map)))
6198 (defun gnus-article-button-next-page (arg)
6199 "Go to the next page."
6201 (let ((win (selected-window)))
6202 (select-window (gnus-get-buffer-window gnus-article-buffer t))
6203 (gnus-article-next-page)
6204 (select-window win)))
6206 (defun gnus-article-button-prev-page (arg)
6207 "Go to the prev page."
6209 (let ((win (selected-window)))
6210 (select-window (gnus-get-buffer-window gnus-article-buffer t))
6211 (gnus-article-prev-page)
6212 (select-window win)))
6214 (defvar gnus-decode-header-methods
6215 '(mail-decode-encoded-word-region)
6216 "List of methods used to decode headers.
6218 This variable is a list of FUNCTION or (REGEXP . FUNCTION). If item
6219 is FUNCTION, FUNCTION will be apply to all newsgroups. If item is a
6220 \(REGEXP . FUNCTION), FUNCTION will be only apply to thes newsgroups
6221 whose names match REGEXP.
6224 \((\"chinese\" . gnus-decode-encoded-word-region-by-guess)
6225 mail-decode-encoded-word-region
6226 (\"chinese\" . rfc1843-decode-region))
6229 (defvar gnus-decode-header-methods-cache nil)
6231 (defun gnus-multi-decode-header (start end)
6232 "Apply the functions from `gnus-encoded-word-methods' that match."
6233 (unless (and gnus-decode-header-methods-cache
6234 (eq gnus-newsgroup-name
6235 (car gnus-decode-header-methods-cache)))
6236 (setq gnus-decode-header-methods-cache (list gnus-newsgroup-name))
6239 (nconc gnus-decode-header-methods-cache (list x))
6240 (if (and gnus-newsgroup-name
6241 (string-match (car x) gnus-newsgroup-name))
6242 (nconc gnus-decode-header-methods-cache
6244 gnus-decode-header-methods))
6245 (let ((xlist gnus-decode-header-methods-cache))
6248 (narrow-to-region start end)
6250 (funcall (pop xlist) (point-min) (point-max))))))
6253 ;;; Treatment top-level handling.
6256 (defun gnus-treat-article (condition &optional part-number total-parts type)
6257 (let ((length (- (point-max) (point-min)))
6258 (alist gnus-treatment-function-alist)
6259 (article-goto-body-goes-to-point-min-p t)
6263 (let ((list gnus-article-treat-types))
6265 (when (string-match (pop list) type)
6266 (throw 'found t)))))))
6267 (highlightp (gnus-visual-p 'article-highlight 'highlight))
6269 (gnus-run-hooks 'gnus-part-display-hook)
6270 (dolist (elem alist)
6273 (when (gnus-buffer-live-p gnus-summary-buffer)
6274 (set-buffer gnus-summary-buffer))
6275 (symbol-value (car elem))))
6276 (when (and (or (consp val)
6278 (gnus-treat-predicate val)
6279 (or (not (get (car elem) 'highlight))
6282 (funcall (cadr elem)))))))
6284 ;; Dynamic variables.
6286 (defvar part-number)
6287 (defvar total-parts)
6292 (defun gnus-treat-predicate (val)
6299 (stringp (car val)))
6300 (apply 'gnus-or (mapcar `(lambda (s)
6301 (string-match s ,(or gnus-newsgroup-name "")))
6304 (let ((pred (pop val)))
6307 (apply 'gnus-or (mapcar 'gnus-treat-predicate val)))
6309 (apply 'gnus-and (mapcar 'gnus-treat-predicate val)))
6311 (not (gnus-treat-predicate (car val))))
6313 (equal (car val) type))
6315 (error "%S is not a valid predicate" pred)))))
6321 (eq part-number total-parts))
6325 (error "%S is not a valid value" val))))
6327 (defun gnus-article-encrypt-body (protocol &optional n)
6328 "Encrypt the article body."
6331 (or gnus-article-encrypt-protocol
6332 (completing-read "Encrypt protocol: "
6333 gnus-article-encrypt-protocol-alist
6335 current-prefix-arg))
6336 (let ((func (cdr (assoc protocol gnus-article-encrypt-protocol-alist))))
6338 (error (format "Can't find the encrypt protocol %s" protocol)))
6339 (if (member gnus-newsgroup-name '("nndraft:delayed"
6342 (error "Can't encrypt the article in group %s"
6343 gnus-newsgroup-name))
6344 (gnus-summary-iterate n
6346 (set-buffer gnus-summary-buffer)
6347 (let ((mail-parse-charset gnus-newsgroup-charset)
6348 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets)
6349 (summary-buffer gnus-summary-buffer)
6351 (gnus-set-global-variables)
6352 (when (gnus-group-read-only-p)
6353 (error "The current newsgroup does not support article encrypt"))
6354 (gnus-summary-show-article t)
6356 (or (mail-header-references gnus-current-headers) ""))
6357 (set-buffer gnus-article-buffer)
6358 (let* ((buffer-read-only nil)
6360 (mapcar (lambda (field)
6361 (and (save-restriction
6362 (message-narrow-to-head)
6363 (goto-char (point-min))
6364 (search-forward field nil t))
6366 (message-narrow-to-field)
6367 (buffer-substring (point-min) (point-max))
6368 (delete-region (point-min) (point-max))
6370 '("Content-Type:" "Content-Transfer-Encoding:"
6371 "Content-Disposition:"))))
6372 (message-narrow-to-head)
6373 (message-remove-header "MIME-Version")
6374 (goto-char (point-max))
6375 (setq point (point))
6376 (insert (apply 'concat headers))
6378 (narrow-to-region point (point-max))
6379 (let ((message-options message-options))
6380 (message-options-set 'message-sender user-mail-address)
6381 (message-options-set 'message-recipients user-mail-address)
6382 (message-options-set 'message-sign-encrypt 'not)
6384 (goto-char (point-min))
6385 (insert "MIME-Version: 1.0\n")
6387 (gnus-summary-edit-article-done
6388 references nil summary-buffer t))
6389 (when gnus-keep-backlog
6390 (gnus-backlog-remove-article
6391 (car gnus-article-current) (cdr gnus-article-current)))
6393 (when (get-buffer gnus-original-article-buffer)
6394 (set-buffer gnus-original-article-buffer)
6395 (setq gnus-original-article nil)))
6396 (when gnus-use-cache
6397 (gnus-cache-update-article
6398 (car gnus-article-current) (cdr gnus-article-current))))))))
6400 (defvar gnus-mime-security-button-line-format "%{%([[%t:%i]%D]%)%}\n"
6401 "The following specs can be used:
6402 %t The security MIME type
6405 %D Details if button is pressed")
6407 (defvar gnus-mime-security-button-end-line-format "%{%([[End of %t]%D]%)%}\n"
6408 "The following specs can be used:
6409 %t The security MIME type
6412 %D Details if button is pressed")
6414 (defvar gnus-mime-security-button-line-format-alist
6415 '((?t gnus-tmp-type ?s)
6416 (?i gnus-tmp-info ?s)
6417 (?d gnus-tmp-details ?s)
6418 (?D gnus-tmp-pressed-details ?s)))
6420 (defvar gnus-mime-security-button-map
6421 (let ((map (make-sparse-keymap)))
6422 (unless (>= (string-to-number emacs-version) 21)
6423 (set-keymap-parent map gnus-article-mode-map))
6424 (define-key map gnus-mouse-2 'gnus-article-push-button)
6425 (define-key map "\r" 'gnus-article-press-button)
6428 (defvar gnus-mime-security-details-buffer nil)
6430 (defvar gnus-mime-security-button-pressed nil)
6432 (defvar gnus-mime-security-show-details-inline t
6433 "If non-nil, show details in the article buffer.")
6435 (defun gnus-mime-security-verify-or-decrypt (handle)
6436 (mm-remove-parts (cdr handle))
6437 (let ((region (mm-handle-multipart-ctl-parameter handle 'gnus-region))
6438 point buffer-read-only)
6440 (goto-char (car region)))
6442 (narrow-to-region (point) (point))
6443 (with-current-buffer (mm-handle-multipart-original-buffer handle)
6444 (let* ((mm-verify-option 'known)
6445 (mm-decrypt-option 'known)
6446 (nparts (mm-possibly-verify-or-decrypt (cdr handle) handle)))
6447 (unless (eq nparts (cdr handle))
6448 (mm-destroy-parts (cdr handle))
6449 (setcdr handle nparts))))
6450 (setq point (point))
6451 (gnus-mime-display-security handle)
6452 (goto-char (point-max)))
6454 (delete-region (point) (cdr region))
6455 (set-marker (car region) nil)
6456 (set-marker (cdr region) nil))
6459 (defun gnus-mime-security-show-details (handle)
6460 (let ((details (mm-handle-multipart-ctl-parameter handle 'gnus-details)))
6462 (gnus-message 5 "No details.")
6463 (if gnus-mime-security-show-details-inline
6464 (let ((gnus-mime-security-button-pressed
6465 (not (get-text-property (point) 'gnus-mime-details)))
6466 (gnus-mime-security-button-line-format
6467 (get-text-property (point) 'gnus-line-format))
6470 (while (eq (get-text-property (point) 'gnus-line-format)
6471 gnus-mime-security-button-line-format)
6475 (narrow-to-region (point) (point))
6476 (gnus-insert-mime-security-button handle))
6477 (delete-region (point)
6478 (or (text-property-not-all
6481 gnus-mime-security-button-line-format)
6484 (if (gnus-buffer-live-p gnus-mime-security-details-buffer)
6485 (with-current-buffer gnus-mime-security-details-buffer
6488 (setq gnus-mime-security-details-buffer
6489 (gnus-get-buffer-create "*MIME Security Details*")))
6490 (with-current-buffer gnus-mime-security-details-buffer
6492 (goto-char (point-min)))
6493 (pop-to-buffer gnus-mime-security-details-buffer)))))
6495 (defun gnus-mime-security-press-button (handle)
6497 (if (mm-handle-multipart-ctl-parameter handle 'gnus-info)
6498 (gnus-mime-security-show-details handle)
6499 (gnus-mime-security-verify-or-decrypt handle))))
6501 (defun gnus-insert-mime-security-button (handle &optional displayed)
6502 (let* ((protocol (mm-handle-multipart-ctl-parameter handle 'protocol))
6505 (or (nth 2 (assoc protocol mm-verify-function-alist))
6506 (nth 2 (assoc protocol mm-decrypt-function-alist))
6508 (if (equal (car handle) "multipart/signed")
6509 " Signed" " Encrypted")
6512 (or (mm-handle-multipart-ctl-parameter handle 'gnus-info)
6515 (mm-handle-multipart-ctl-parameter handle 'gnus-details))
6516 gnus-tmp-pressed-details
6518 (setq gnus-tmp-details
6519 (if gnus-tmp-details
6520 (concat "\n" gnus-tmp-details)
6522 (setq gnus-tmp-pressed-details
6523 (if gnus-mime-security-button-pressed gnus-tmp-details ""))
6528 gnus-mime-security-button-line-format
6529 gnus-mime-security-button-line-format-alist
6530 `(,@(gnus-local-map-property gnus-mime-security-button-map)
6531 gnus-callback gnus-mime-security-press-button
6532 gnus-line-format ,gnus-mime-security-button-line-format
6533 gnus-mime-details ,gnus-mime-security-button-pressed
6534 article-type annotation
6537 (widget-convert-button
6540 :action 'gnus-widget-press-button
6541 :button-keymap gnus-mime-security-button-map
6543 (lambda (widget/window &optional overlay pos)
6544 ;; Needed to properly clear the message due to a bug in
6545 ;; wid-edit (XEmacs only).
6546 (when (boundp 'help-echo-owns-message)
6547 (setq help-echo-owns-message t))
6550 (aref gnus-mouse-2 0))))))
6552 (defun gnus-mime-display-security (handle)
6554 (narrow-to-region (point) (point))
6555 (unless (gnus-unbuttonized-mime-type-p (car handle))
6556 (gnus-insert-mime-security-button handle))
6557 (gnus-mime-display-mixed (cdr handle))
6560 (unless (gnus-unbuttonized-mime-type-p (car handle))
6561 (let ((gnus-mime-security-button-line-format
6562 gnus-mime-security-button-end-line-format))
6563 (gnus-insert-mime-security-button handle)))
6564 (mm-set-handle-multipart-parameter
6566 (cons (set-marker (make-marker) (point-min))
6567 (set-marker (make-marker) (point-max))))))
6573 (run-hooks 'gnus-art-load-hook)
6575 ;;; gnus-art.el ends here