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))
44 (autoload 'gnus-msg-mail "gnus-msg" nil t)
45 (autoload 'gnus-button-mailto "gnus-msg")
46 (autoload 'gnus-button-reply "gnus-msg" nil t)
48 (defgroup gnus-article nil
50 :link '(custom-manual "(gnus)The Article Buffer")
53 (defgroup gnus-article-treat nil
54 "Treating article parts."
55 :link '(custom-manual "(gnus)Article Hiding")
58 (defgroup gnus-article-hiding nil
59 "Hiding article parts."
60 :link '(custom-manual "(gnus)Article Hiding")
63 (defgroup gnus-article-highlight nil
64 "Article highlighting."
65 :link '(custom-manual "(gnus)Article Highlighting")
69 (defgroup gnus-article-signature nil
71 :link '(custom-manual "(gnus)Article Signature")
74 (defgroup gnus-article-headers nil
76 :link '(custom-manual "(gnus)Hiding Headers")
79 (defgroup gnus-article-washing nil
80 "Special commands on articles."
81 :link '(custom-manual "(gnus)Article Washing")
84 (defgroup gnus-article-emphasis nil
85 "Fontisizing articles."
86 :link '(custom-manual "(gnus)Article Fontisizing")
89 (defgroup gnus-article-saving nil
91 :link '(custom-manual "(gnus)Saving Articles")
94 (defgroup gnus-article-mime nil
95 "Worshiping the MIME wonder."
96 :link '(custom-manual "(gnus)Using MIME")
99 (defgroup gnus-article-buttons nil
100 "Pushable buttons in the article buffer."
101 :link '(custom-manual "(gnus)Article Buttons")
102 :group 'gnus-article)
104 (defgroup gnus-article-various nil
105 "Other article options."
106 :link '(custom-manual "(gnus)Misc Article")
107 :group 'gnus-article)
109 (defcustom gnus-ignored-headers
112 (concat "^" header ":"))
113 '("Path" "Expires" "Date-Received" "References" "Xref" "Lines"
114 "Relay-Version" "Message-ID" "Approved" "Sender" "Received"
115 "X-UIDL" "MIME-Version" "Return-Path" "In-Reply-To"
116 "Content-Type" "Content-Transfer-Encoding" "X-WebTV-Signature"
117 "X-MimeOLE" "X-MSMail-Priority" "X-Priority" "X-Loop"
118 "X-Authentication-Warning" "X-MIME-Autoconverted" "X-Face"
119 "X-Attribution" "X-Originating-IP" "Delivered-To"
120 "NNTP-[-A-Za-z]+" "Distribution" "X-no-archive" "X-Trace"
121 "X-Complaints-To" "X-NNTP-Posting-Host" "X-Orig.*"
122 "Abuse-Reports-To" "Cache-Post-Path" "X-Article-Creation-Date"
123 "X-Poster" "X-Mail2News-Path" "X-Server-Date" "X-Cache"
124 "Originator" "X-Problems-To" "X-Auth-User" "X-Post-Time"
125 "X-Admin" "X-UID" "Resent-[-A-Za-z]+" "X-Mailing-List"
126 "Precedence" "Original-[-A-Za-z]+" "X-filename" "X-Orcpt"
127 "Old-Received" "X-Pgp" "X-Auth" "X-From-Line"
128 "X-Gnus-Article-Number" "X-Majordomo" "X-Url" "X-Sender"
129 "MBOX-Line" "Priority" "X400-[-A-Za-z]+"
130 "Status" "X-Gnus-Mail-Source" "Cancel-Lock"
131 "X-FTN" "X-EXP32-SerialNo" "Encoding" "Importance"
132 "Autoforwarded" "Original-Encoded-Information-Types" "X-Ya-Pop3"
133 "X-Face-Version" "X-Vms-To" "X-ML-NAME" "X-ML-COUNT"
134 "Mailing-List" "X-finfo" "X-md5sum" "X-md5sum-Origin"
135 "X-Sun-Charset" "X-Accept-Language" "X-Envelope-Sender"
136 "List-[A-Za-z]+" "X-Listprocessor-Version"
137 "X-Received" "X-Distribute" "X-Sequence" "X-Juno-Line-Breaks"
138 "X-Notes-Item" "X-MS-TNEF-Correlator" "x-uunet-gateway"
139 "X-Received" "Content-length" "X-precedence"
140 "X-Authenticated-User" "X-Comment" "X-Report" "X-Abuse-Info"
141 "X-HTTP-Proxy" "X-Mydeja-Info" "X-Copyright" "X-No-Markup"
142 "X-Abuse-Info" "X-From_" "X-Accept-Language" "Errors-To"
143 "X-BeenThere" "X-Mailman-Version" "List-Help" "List-Post"
144 "List-Subscribe" "List-Id" "List-Unsubscribe" "List-Archive"
145 "X-Content-length" "X-Posting-Agent" "Original-Received"
146 "X-Request-PGP" "X-Fingerprint" "X-WRIEnvto" "X-WRIEnvfrom"
147 "X-Virus-Scanned" "X-Delivery-Agent" "Posted-Date" "X-Gateway"
148 "X-Local-Origin" "X-Local-Destination" "X-UserInfo1"
149 "X-Received-Date" "X-Hashcash" "Face" "X-DMCA-Notifications"
150 "X-Abuse-and-DMCA-Info" "X-Postfilter"))
151 "*All headers that start with this regexp will be hidden.
152 This variable can also be a list of regexps of headers to be ignored.
153 If `gnus-visible-headers' is non-nil, this variable will be ignored."
154 :type '(choice :custom-show nil
157 :group 'gnus-article-hiding)
159 (defcustom gnus-visible-headers
160 "^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:"
161 "*All headers that do not match this regexp will be hidden.
162 This variable can also be a list of regexp of headers to remain visible.
163 If this variable is non-nil, `gnus-ignored-headers' will be ignored."
164 :type '(repeat :value-to-internal (lambda (widget value)
165 (custom-split-regexp-maybe value))
166 :match (lambda (widget value)
168 (widget-editable-list-match widget value)))
170 :group 'gnus-article-hiding)
172 (defcustom gnus-sorted-header-list
173 '("^From:" "^Subject:" "^Summary:" "^Keywords:" "^Newsgroups:"
174 "^Followup-To:" "^To:" "^Cc:" "^Date:" "^Organization:")
175 "*This variable is a list of regular expressions.
176 If it is non-nil, headers that match the regular expressions will
177 be placed first in the article buffer in the sequence specified by
179 :type '(repeat regexp)
180 :group 'gnus-article-hiding)
182 (defcustom gnus-boring-article-headers '(empty followup-to reply-to)
183 "Headers that are only to be displayed if they have interesting data.
184 Possible values in this list are:
186 'empty Headers with no content.
187 'newsgroups Newsgroup identical to Gnus group.
188 'to-address To identical to To-address.
189 'to-list To identical to To-list.
190 'cc-list CC identical to To-list.
191 'followup-to Followup-to identical to Newsgroups.
192 'reply-to Reply-to identical to From.
193 'date Date less than four days old.
194 'long-to To and/or Cc longer than 1024 characters.
195 'many-to Multiple To and/or Cc."
196 :type '(set (const :tag "Headers with no content." empty)
197 (const :tag "Newsgroups identical to Gnus group." newsgroups)
198 (const :tag "To identical to To-address." to-address)
199 (const :tag "To identical to To-list." to-list)
200 (const :tag "CC identical to To-list." cc-list)
201 (const :tag "Followup-to identical to Newsgroups." followup-to)
202 (const :tag "Reply-to identical to From." reply-to)
203 (const :tag "Date less than four days old." date)
204 (const :tag "To and/or Cc longer than 1024 characters." long-to)
205 (const :tag "Multiple To and/or Cc headers." many-to))
206 :group 'gnus-article-hiding)
208 (defcustom gnus-article-skip-boring nil
209 "Skip over text that is not worth reading.
210 By default, if you set this t, then Gnus will display citations and
211 signatures, but will never scroll down to show you a page consisting
212 only of boring text. Boring text is controlled by
213 `gnus-article-boring-faces'."
215 :group 'gnus-article-hiding)
217 (defcustom gnus-signature-separator '("^-- $" "^-- *$")
218 "Regexp matching signature separator.
219 This can also be a list of regexps. In that case, it will be checked
220 from head to tail looking for a separator. Searches will be done from
221 the end of the buffer."
222 :type '(repeat string)
223 :group 'gnus-article-signature)
225 (defcustom gnus-signature-limit nil
226 "Provide a limit to what is considered a signature.
227 If it is a number, no signature may not be longer (in characters) than
228 that number. If it is a floating point number, no signature may be
229 longer (in lines) than that number. If it is a function, the function
230 will be called without any parameters, and if it returns nil, there is
231 no signature in the buffer. If it is a string, it will be used as a
232 regexp. If it matches, the text in question is not a signature."
233 :type '(choice (integer :value 200)
235 (function :value fun)
236 (regexp :value ".*"))
237 :group 'gnus-article-signature)
239 (defcustom gnus-hidden-properties '(invisible t intangible t)
240 "Property list to use for hiding text."
242 :group 'gnus-article-hiding)
244 ;; Fixme: This isn't the right thing for mixed graphical and and
245 ;; non-graphical frames in a session.
246 (defcustom gnus-article-x-face-command
247 (if (featurep 'xemacs)
248 (if (or (gnus-image-type-available-p 'xface)
249 (gnus-image-type-available-p 'pbm))
250 'gnus-display-x-face-in-from
251 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | ee -")
252 (if (gnus-image-type-available-p 'pbm)
253 'gnus-display-x-face-in-from
254 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | \
256 "*String or function to be executed to display an X-Face header.
257 If it is a string, the command will be executed in a sub-shell
258 asynchronously. The compressed face will be piped to this command."
259 :type `(choice string
260 (function-item gnus-display-x-face-in-from)
264 :group 'gnus-article-washing)
266 (defcustom gnus-article-x-face-too-ugly nil
267 "Regexp matching posters whose face shouldn't be shown automatically."
268 :type '(choice regexp (const nil))
269 :group 'gnus-article-washing)
271 (defcustom gnus-article-banner-alist nil
272 "Banner alist for stripping.
274 ((egroups . \"^[ \\t\\n]*-------------------+\\\\( \\\\(e\\\\|Yahoo! \\\\)Groups Sponsor -+\\\\)?....\\n\\\\(.+\\n\\\\)+\"))"
276 :type '(repeat (cons symbol regexp))
277 :group 'gnus-article-washing)
279 (gnus-define-group-parameter
282 "Alist of regexps (to match group names) and banner."
283 :variable-group gnus-article-washing
285 '(choice :tag "Banner"
287 (const :tag "Remove signature" signature)
288 (symbol :tag "Item in `gnus-article-banner-alist'" none)
290 (const :tag "None" nil))
292 "If non-nil, specify how to remove `banners' from articles.
294 Symbol `signature' means to remove signatures delimited by
295 `gnus-signature-separator'. Any other symbol is used to look up a
296 regular expression to match the banner in `gnus-article-banner-alist'.
297 A string is used as a regular expression to match the banner
300 (defcustom gnus-article-address-banner-alist nil
301 "Alist of mail addresses and banners.
302 Each element has the form (ADDRESS . BANNER), where ADDRESS is a regexp
303 to match a mail address in the From: header, BANNER is one of a symbol
304 `signature', an item in `gnus-article-banner-alist', a regexp and nil.
305 If ADDRESS matches author's mail address, it will remove things like
306 advertisements. For example:
308 \((\"@yoo-hoo\\\\.co\\\\.jp\\\\'\" . \"\\n_+\\nDo You Yoo-hoo!\\\\?\\n.*\\n.*\\n\"))
312 (regexp :tag "Address")
313 (choice :tag "Banner" :value nil
314 (const :tag "Remove signature" signature)
315 (symbol :tag "Item in `gnus-article-banner-alist'" none)
317 (const :tag "None" nil))))
318 :group 'gnus-article-washing)
320 (defcustom gnus-emphasis-alist
322 "\\(\\s-\\|^\\|\\=\\|[-\"]\\|\\s(\\)\\(%s\\(\\w+\\(\\s-+\\w+\\)*[.,]?\\)%s\\)\\(\\([-,.;:!?\"]\\|\\s)\\)+\\s-\\|[?!.]\\s-\\|\\s)\\|\\s-\\)")
327 ("_/" "/_" underline-italic)
328 ("_\\*" "\\*_" underline-bold)
329 ("\\*/" "/\\*" bold-italic)
330 ("_\\*/" "/\\*_" underline-bold-italic))))
334 (format format (car spec) (cadr spec))
335 2 3 (intern (format "gnus-emphasis-%s" (nth 2 spec)))))
337 ("\\(\\s-\\|^\\)\\(-\\(\\(\\w\\|-[^-]\\)+\\)-\\)\\(\\s-\\|[?!.,;]\\)"
338 2 3 gnus-emphasis-strikethru)
339 ("\\(\\s-\\|^\\)\\(_\\(\\(\\w\\|_[^_]\\)+\\)_\\)\\(\\s-\\|[?!.,;]\\)"
340 2 3 gnus-emphasis-underline)))
341 "*Alist that says how to fontify certain phrases.
342 Each item looks like this:
344 (\"_\\\\(\\\\w+\\\\)_\" 0 1 'underline)
346 The first element is a regular expression to be matched. The second
347 is a number that says what regular expression grouping used to find
348 the entire emphasized word. The third is a number that says what
349 regexp grouping should be displayed and highlighted. The fourth
350 is the face used for highlighting."
351 :type '(repeat (list :value ("" 0 0 default)
353 (integer :tag "Match group")
354 (integer :tag "Emphasize group")
356 :group 'gnus-article-emphasis)
358 (defcustom gnus-emphasize-whitespace-regexp "^[ \t]+\\|[ \t]*\n"
359 "A regexp to describe whitespace which should not be emphasized.
360 Typical values are \"^[ \\t]+\\\\|[ \\t]*\\n\" and \"[ \\t]+\\\\|[ \\t]*\\n\".
361 The former avoids underlining of leading and trailing whitespace,
362 and the latter avoids underlining any whitespace at all."
364 :group 'gnus-article-emphasis
367 (defface gnus-emphasis-bold '((t (:bold t)))
368 "Face used for displaying strong emphasized text (*word*)."
369 :group 'gnus-article-emphasis)
371 (defface gnus-emphasis-italic '((t (:italic t)))
372 "Face used for displaying italic emphasized text (/word/)."
373 :group 'gnus-article-emphasis)
375 (defface gnus-emphasis-underline '((t (:underline t)))
376 "Face used for displaying underlined emphasized text (_word_)."
377 :group 'gnus-article-emphasis)
379 (defface gnus-emphasis-underline-bold '((t (:bold t :underline t)))
380 "Face used for displaying underlined bold emphasized text (_*word*_)."
381 :group 'gnus-article-emphasis)
383 (defface gnus-emphasis-underline-italic '((t (:italic t :underline t)))
384 "Face used for displaying underlined italic emphasized text (_/word/_)."
385 :group 'gnus-article-emphasis)
387 (defface gnus-emphasis-bold-italic '((t (:bold t :italic t)))
388 "Face used for displaying bold italic emphasized text (/*word*/)."
389 :group 'gnus-article-emphasis)
391 (defface gnus-emphasis-underline-bold-italic
392 '((t (:bold t :italic t :underline t)))
393 "Face used for displaying underlined bold italic emphasized text.
394 Example: (_/*word*/_)."
395 :group 'gnus-article-emphasis)
397 (defface gnus-emphasis-strikethru '((t (:strikethru t)))
398 "Face used for displaying strike-through text (-word-)."
399 :group 'gnus-article-emphasis)
401 (defface gnus-emphasis-highlight-words
402 '((t (:background "black" :foreground "yellow")))
403 "Face used for displaying highlighted words."
404 :group 'gnus-article-emphasis)
406 (defcustom gnus-article-time-format "%a, %b %d %Y %T %Z"
407 "Format for display of Date headers in article bodies.
408 See `format-time-string' for the possible values.
410 The variable can also be function, which should return a complete Date
411 header. The function is called with one argument, the time, which can
412 be fed to `format-time-string'."
413 :type '(choice string symbol)
414 :link '(custom-manual "(gnus)Article Date")
415 :group 'gnus-article-washing)
418 (autoload 'mail-extract-address-components "mail-extr"))
420 (defcustom gnus-save-all-headers t
421 "*If non-nil, don't remove any headers before saving."
422 :group 'gnus-article-saving
425 (defcustom gnus-prompt-before-saving 'always
426 "*This variable says how much prompting is to be done when saving articles.
427 If it is nil, no prompting will be done, and the articles will be
428 saved to the default files. If this variable is `always', each and
429 every article that is saved will be preceded by a prompt, even when
430 saving large batches of articles. If this variable is neither nil not
431 `always', there the user will be prompted once for a file name for
432 each invocation of the saving commands."
433 :group 'gnus-article-saving
434 :type '(choice (item always)
435 (item :tag "never" nil)
436 (sexp :tag "once" :format "%t\n" :value t)))
438 (defcustom gnus-saved-headers gnus-visible-headers
439 "Headers to keep if `gnus-save-all-headers' is nil.
440 If `gnus-save-all-headers' is non-nil, this variable will be ignored.
441 If that variable is nil, however, all headers that match this regexp
442 will be kept while the rest will be deleted before saving."
443 :group 'gnus-article-saving
446 (defcustom gnus-default-article-saver 'gnus-summary-save-in-rmail
447 "A function to save articles in your favourite format.
448 The function must be interactively callable (in other words, it must
449 be an Emacs command).
451 Gnus provides the following functions:
453 * gnus-summary-save-in-rmail (Rmail format)
454 * gnus-summary-save-in-mail (Unix mail format)
455 * gnus-summary-save-in-folder (MH folder)
456 * gnus-summary-save-in-file (article format)
457 * gnus-summary-save-body-in-file (article body)
458 * gnus-summary-save-in-vm (use VM's folder format)
459 * gnus-summary-write-to-file (article format -- overwrite)."
460 :group 'gnus-article-saving
461 :type '(radio (function-item gnus-summary-save-in-rmail)
462 (function-item gnus-summary-save-in-mail)
463 (function-item gnus-summary-save-in-folder)
464 (function-item gnus-summary-save-in-file)
465 (function-item gnus-summary-save-body-in-file)
466 (function-item gnus-summary-save-in-vm)
467 (function-item gnus-summary-write-to-file)))
469 (defcustom gnus-rmail-save-name 'gnus-plain-save-name
470 "A function generating a file name to save articles in Rmail format.
471 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
472 :group 'gnus-article-saving
475 (defcustom gnus-mail-save-name 'gnus-plain-save-name
476 "A function generating a file name to save articles in Unix mail format.
477 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
478 :group 'gnus-article-saving
481 (defcustom gnus-folder-save-name 'gnus-folder-save-name
482 "A function generating a file name to save articles in MH folder.
483 The function is called with NEWSGROUP, HEADERS, and optional LAST-FOLDER."
484 :group 'gnus-article-saving
487 (defcustom gnus-file-save-name 'gnus-numeric-save-name
488 "A function generating a file name to save articles in article format.
489 The function is called with NEWSGROUP, HEADERS, and optional
491 :group 'gnus-article-saving
494 (defcustom gnus-split-methods
495 '((gnus-article-archive-name)
496 (gnus-article-nndoc-name))
497 "*Variable used to suggest where articles are to be saved.
498 For instance, if you would like to save articles related to Gnus in
499 the file \"gnus-stuff\", and articles related to VM in \"vm-stuff\",
500 you could set this variable to something like:
502 '((\"^Subject:.*gnus\\|^Newsgroups:.*gnus\" \"gnus-stuff\")
503 (\"^Subject:.*vm\\|^Xref:.*vm\" \"vm-stuff\"))
505 This variable is an alist where the where the key is the match and the
506 value is a list of possible files to save in if the match is non-nil.
508 If the match is a string, it is used as a regexp match on the
509 article. If the match is a symbol, that symbol will be funcalled
510 from the buffer of the article to be saved with the newsgroup as the
511 parameter. If it is a list, it will be evaled in the same buffer.
513 If this form or function returns a string, this string will be used as
514 a possible file name; and if it returns a non-nil list, that list will
515 be used as possible file names."
516 :group 'gnus-article-saving
517 :type '(repeat (choice (list :value (fun) function)
518 (cons :value ("" "") regexp (repeat string))
521 (defcustom gnus-page-delimiter "^\^L"
522 "*Regexp describing what to use as article page delimiters.
523 The default value is \"^\^L\", which is a form linefeed at the
524 beginning of a line."
526 :group 'gnus-article-various)
528 (defcustom gnus-article-mode-line-format "Gnus: %g [%w] %S%m"
529 "*The format specification for the article mode line.
530 See `gnus-summary-mode-line-format' for a closer description.
532 The following additional specs are available:
534 %w The article washing status.
535 %m The number of MIME parts in the article."
537 :group 'gnus-article-various)
539 (defcustom gnus-article-mode-hook nil
540 "*A hook for Gnus article mode."
542 :group 'gnus-article-various)
544 (when (featurep 'xemacs)
545 ;; Extracted from gnus-xmas-define in order to preserve user settings
546 (when (fboundp 'turn-off-scroll-in-place)
547 (add-hook 'gnus-article-mode-hook 'turn-off-scroll-in-place))
548 ;; Extracted from gnus-xmas-redefine in order to preserve user settings
549 (add-hook 'gnus-article-mode-hook 'gnus-xmas-article-menu-add))
551 (defcustom gnus-article-menu-hook nil
552 "*Hook run after the creation of the article mode menu."
554 :group 'gnus-article-various)
556 (defcustom gnus-article-prepare-hook nil
557 "*A hook called after an article has been prepared in the article buffer."
559 :group 'gnus-article-various)
561 (defvar gnus-article-hide-pgp-hook nil)
562 (make-obsolete-variable 'gnus-article-hide-pgp-hook
563 "This variable is obsolete in Gnus 5.10.")
565 (defcustom gnus-article-button-face 'bold
566 "Face used for highlighting buttons in the article buffer.
568 An article button is a piece of text that you can activate by pressing
569 `RET' or `mouse-2' above it."
571 :group 'gnus-article-buttons)
573 (defcustom gnus-article-mouse-face 'highlight
574 "Face used for mouse highlighting in the article buffer.
576 Article buttons will be displayed in this face when the cursor is
579 :group 'gnus-article-buttons)
581 (defcustom gnus-signature-face 'gnus-signature-face
582 "Face used for highlighting a signature in the article buffer.
583 Obsolete; use the face `gnus-signature-face' for customizations instead."
585 :group 'gnus-article-highlight
586 :group 'gnus-article-signature)
588 (defface gnus-signature-face
591 "Face used for highlighting a signature in the article buffer."
592 :group 'gnus-article-highlight
593 :group 'gnus-article-signature)
595 (defface gnus-header-from-face
598 (:foreground "spring green"))
601 (:foreground "red3"))
604 "Face used for displaying from headers."
605 :group 'gnus-article-headers
606 :group 'gnus-article-highlight)
608 (defface gnus-header-subject-face
611 (:foreground "SeaGreen3"))
614 (:foreground "red4"))
616 (:bold t :italic t)))
617 "Face used for displaying subject headers."
618 :group 'gnus-article-headers
619 :group 'gnus-article-highlight)
621 (defface gnus-header-newsgroups-face
624 (:foreground "yellow" :italic t))
627 (:foreground "MidnightBlue" :italic t))
630 "Face used for displaying newsgroups headers."
631 :group 'gnus-article-headers
632 :group 'gnus-article-highlight)
634 (defface gnus-header-name-face
637 (:foreground "SeaGreen"))
640 (:foreground "maroon"))
643 "Face used for displaying header names."
644 :group 'gnus-article-headers
645 :group 'gnus-article-highlight)
647 (defface gnus-header-content-face
650 (:foreground "forest green" :italic t))
653 (:foreground "indianred4" :italic t))
655 (:italic t))) "Face used for displaying header content."
656 :group 'gnus-article-headers
657 :group 'gnus-article-highlight)
659 (defcustom gnus-header-face-alist
660 '(("From" nil gnus-header-from-face)
661 ("Subject" nil gnus-header-subject-face)
662 ("Newsgroups:.*," nil gnus-header-newsgroups-face)
663 ("" gnus-header-name-face gnus-header-content-face))
664 "*Controls highlighting of article header.
666 An alist of the form (HEADER NAME CONTENT).
668 HEADER is a regular expression which should match the name of an
669 header header and NAME and CONTENT are either face names or nil.
671 The name of each header field will be displayed using the face
672 specified by the first element in the list where HEADER match the
673 header name and NAME is non-nil. Similarly, the content will be
674 displayed by the first non-nil matching CONTENT face."
675 :group 'gnus-article-headers
676 :group 'gnus-article-highlight
677 :type '(repeat (list (regexp :tag "Header")
679 (item :tag "skip" nil)
680 (face :value default))
681 (choice :tag "Content"
682 (item :tag "skip" nil)
683 (face :value default)))))
685 (defcustom gnus-article-decode-hook
686 '(article-decode-charset article-decode-encoded-words
687 article-decode-group-name article-decode-idna-rhs)
688 "*Hook run to decode charsets in articles."
689 :group 'gnus-article-headers
692 (defcustom gnus-display-mime-function 'gnus-display-mime
693 "Function to display MIME articles."
694 :group 'gnus-article-mime
697 (defvar gnus-decode-header-function 'mail-decode-encoded-word-region
698 "Function used to decode headers.")
700 (defvar gnus-article-dumbquotes-map
720 "Table for MS-to-Latin1 translation.")
722 (defcustom gnus-ignored-mime-types nil
723 "List of MIME types that should be ignored by Gnus."
725 :group 'gnus-article-mime
726 :type '(repeat regexp))
728 (defcustom gnus-unbuttonized-mime-types '(".*/.*")
729 "List of MIME types that should not be given buttons when rendered inline.
730 See also `gnus-buttonized-mime-types' which may override this variable.
731 This variable is only used when `gnus-inhibit-mime-unbuttonizing' is nil."
733 :group 'gnus-article-mime
734 :type '(repeat regexp))
736 (defcustom gnus-buttonized-mime-types nil
737 "List of MIME types that should be given buttons when rendered inline.
738 If set, this variable overrides `gnus-unbuttonized-mime-types'.
739 To see e.g. security buttons you could set this to
740 `(\"multipart/signed\")'.
741 This variable is only used when `gnus-inhibit-mime-unbuttonizing' is nil."
743 :group 'gnus-article-mime
744 :type '(repeat regexp))
746 (defcustom gnus-inhibit-mime-unbuttonizing nil
747 "If non-nil, all MIME parts get buttons.
748 When nil (the default value), then some MIME parts do not get buttons,
749 as described by the variables `gnus-buttonized-mime-types' and
750 `gnus-unbuttonized-mime-types'."
754 (defcustom gnus-body-boundary-delimiter "_"
755 "String used to delimit header and body.
756 This variable is used by `gnus-article-treat-body-boundary' which can
757 be controlled by `gnus-treat-body-boundary'."
758 :group 'gnus-article-various
759 :type '(choice (item :tag "None" :value nil)
762 (defcustom gnus-picon-databases '("/usr/lib/picon" "/usr/local/faces")
763 "Defines the location of the faces database.
764 For information on obtaining this database of pretty pictures, please
765 see http://www.cs.indiana.edu/picons/ftp/index.html"
766 :type '(repeat directory)
767 :link '(url-link :tag "download"
768 "http://www.cs.indiana.edu/picons/ftp/index.html")
769 :link '(custom-manual "(gnus)Picons")
772 (defun gnus-picons-installed-p ()
773 "Say whether picons are installed on your machine."
774 (let ((installed nil))
775 (dolist (database gnus-picon-databases)
776 (when (file-exists-p database)
780 (defcustom gnus-article-mime-part-function nil
781 "Function called with a MIME handle as the argument.
782 This is meant for people who want to do something automatic based
783 on parts -- for instance, adding Vcard info to a database."
784 :group 'gnus-article-mime
787 (defcustom gnus-mime-multipart-functions nil
788 "An alist of MIME types to functions to display them."
790 :group 'gnus-article-mime
793 (defcustom gnus-article-date-lapsed-new-header nil
794 "Whether the X-Sent and Date headers can coexist.
795 When using `gnus-treat-date-lapsed', the \"X-Sent:\" header will
796 either replace the old \"Date:\" header (if this variable is nil), or
797 be added below it (otherwise)."
799 :group 'gnus-article-headers
802 (defcustom gnus-article-mime-match-handle-function 'undisplayed-alternative
803 "Function called with a MIME handle as the argument.
804 This is meant for people who want to view first matched part.
805 For `undisplayed-alternative' (default), the first undisplayed
806 part or alternative part is used. For `undisplayed', the first
807 undisplayed part is used. For a function, the first part which
808 the function return t is used. For nil, the first part is
811 :group 'gnus-article-mime
813 (item :tag "first" :value nil)
814 (item :tag "undisplayed" :value undisplayed)
815 (item :tag "undisplayed or alternative"
816 :value undisplayed-alternative)
819 (defcustom gnus-mime-action-alist
820 '(("save to file" . gnus-mime-save-part)
821 ("save and strip" . gnus-mime-save-part-and-strip)
822 ("delete part" . gnus-mime-delete-part)
823 ("display as text" . gnus-mime-inline-part)
824 ("view the part" . gnus-mime-view-part)
825 ("pipe to command" . gnus-mime-pipe-part)
826 ("toggle display" . gnus-article-press-button)
827 ("toggle display" . gnus-article-view-part-as-charset)
828 ("view as type" . gnus-mime-view-part-as-type)
829 ("view internally" . gnus-mime-view-part-internally)
830 ("view externally" . gnus-mime-view-part-externally))
831 "An alist of actions that run on the MIME attachment."
832 :group 'gnus-article-mime
833 :type '(repeat (cons (string :tag "name")
837 ;;; The treatment variables
840 (defvar gnus-part-display-hook nil
841 "Hook called on parts that are to receive treatment.")
843 (defvar gnus-article-treat-custom
844 '(choice (const :tag "Off" nil)
846 (const :tag "Header" head)
847 (const :tag "Last" last)
848 (integer :tag "Less")
849 (repeat :tag "Groups" regexp)
850 (sexp :tag "Predicate")))
852 (defvar gnus-article-treat-head-custom
853 '(choice (const :tag "Off" nil)
854 (const :tag "Header" head)))
856 (defvar gnus-article-treat-types '("text/plain")
859 (defvar gnus-inhibit-treatment nil
860 "Whether to inhibit treatment.")
862 (defcustom gnus-treat-highlight-signature '(or t (typep "text/x-vcard"))
863 "Highlight the signature.
864 Valid values are nil, t, `head', `last', an integer or a predicate.
865 See Info node `(gnus)Customizing Articles'."
866 :group 'gnus-article-treat
867 :link '(custom-manual "(gnus)Customizing Articles")
868 :type gnus-article-treat-custom)
869 (put 'gnus-treat-highlight-signature 'highlight t)
871 (defcustom gnus-treat-buttonize 100000
873 Valid values are nil, t, `head', `last', an integer or a predicate.
874 See Info node `(gnus)Customizing Articles'."
875 :group 'gnus-article-treat
876 :link '(custom-manual "(gnus)Customizing Articles")
877 :type gnus-article-treat-custom)
878 (put 'gnus-treat-buttonize 'highlight t)
880 (defcustom gnus-treat-buttonize-head 'head
881 "Add buttons to the head.
882 Valid values are nil, t, `head', `last', an integer or a predicate.
883 See Info node `(gnus)Customizing Articles' for details."
884 :group 'gnus-article-treat
885 :link '(custom-manual "(gnus)Customizing Articles")
886 :type gnus-article-treat-head-custom)
887 (put 'gnus-treat-buttonize-head 'highlight t)
889 (defcustom gnus-treat-emphasize
890 (and (or window-system
892 (>= (string-to-number emacs-version) 21))
895 Valid values are nil, t, `head', `last', an integer or a predicate.
896 See Info node `(gnus)Customizing Articles' for details."
897 :group 'gnus-article-treat
898 :link '(custom-manual "(gnus)Customizing Articles")
899 :type gnus-article-treat-custom)
900 (put 'gnus-treat-emphasize 'highlight t)
902 (defcustom gnus-treat-strip-cr nil
903 "Remove carriage returns.
904 Valid values are nil, t, `head', `last', an integer or a predicate.
905 See Info node `(gnus)Customizing Articles' for details."
906 :group 'gnus-article-treat
907 :link '(custom-manual "(gnus)Customizing Articles")
908 :type gnus-article-treat-custom)
910 (defcustom gnus-treat-unsplit-urls nil
911 "Remove newlines from within URLs.
912 Valid values are nil, t, `head', `last', an integer or a predicate.
913 See Info node `(gnus)Customizing Articles' for details."
914 :group 'gnus-article-treat
915 :link '(custom-manual "(gnus)Customizing Articles")
916 :type gnus-article-treat-custom)
918 (defcustom gnus-treat-leading-whitespace nil
919 "Remove leading whitespace in headers.
920 Valid values are nil, t, `head', `last', an integer or a predicate.
921 See Info node `(gnus)Customizing Articles' for details."
922 :group 'gnus-article-treat
923 :link '(custom-manual "(gnus)Customizing Articles")
924 :type gnus-article-treat-custom)
926 (defcustom gnus-treat-hide-headers 'head
928 Valid values are nil, t, `head', `last', an integer or a predicate.
929 See Info node `(gnus)Customizing Articles' for details."
930 :group 'gnus-article-treat
931 :link '(custom-manual "(gnus)Customizing Articles")
932 :type gnus-article-treat-head-custom)
934 (defcustom gnus-treat-hide-boring-headers nil
935 "Hide boring headers.
936 Valid values are nil, t, `head', `last', an integer or a predicate.
937 See Info node `(gnus)Customizing Articles' for details."
938 :group 'gnus-article-treat
939 :link '(custom-manual "(gnus)Customizing Articles")
940 :type gnus-article-treat-head-custom)
942 (defcustom gnus-treat-hide-signature nil
944 Valid values are nil, t, `head', `last', an integer or a predicate.
945 See Info node `(gnus)Customizing Articles' for details."
946 :group 'gnus-article-treat
947 :link '(custom-manual "(gnus)Customizing Articles")
948 :type gnus-article-treat-custom)
950 (defcustom gnus-treat-fill-article nil
952 Valid values are nil, t, `head', `last', an integer or a predicate.
953 See Info node `(gnus)Customizing Articles' for details."
954 :group 'gnus-article-treat
955 :link '(custom-manual "(gnus)Customizing Articles")
956 :type gnus-article-treat-custom)
958 (defcustom gnus-treat-hide-citation nil
960 Valid values are nil, t, `head', `last', an integer or a predicate.
961 See Info node `(gnus)Customizing Articles' for details."
962 :group 'gnus-article-treat
963 :link '(custom-manual "(gnus)Customizing Articles")
964 :type gnus-article-treat-custom)
966 (defcustom gnus-treat-hide-citation-maybe nil
968 Valid values are nil, t, `head', `last', an integer or a predicate.
969 See Info node `(gnus)Customizing Articles' for details."
970 :group 'gnus-article-treat
971 :link '(custom-manual "(gnus)Customizing Articles")
972 :type gnus-article-treat-custom)
974 (defcustom gnus-treat-strip-list-identifiers 'head
975 "Strip list identifiers from `gnus-list-identifiers`.
976 Valid values are nil, t, `head', `last', an integer or a predicate.
977 See Info node `(gnus)Customizing Articles' for details."
979 :group 'gnus-article-treat
980 :link '(custom-manual "(gnus)Customizing Articles")
981 :type gnus-article-treat-custom)
983 (make-obsolete-variable 'gnus-treat-strip-pgp
984 "This option is obsolete in Gnus 5.10.")
986 (defcustom gnus-treat-strip-pem nil
987 "Strip PEM signatures.
988 Valid values are nil, t, `head', `last', an integer or a predicate.
989 See Info node `(gnus)Customizing Articles' for details."
990 :group 'gnus-article-treat
991 :link '(custom-manual "(gnus)Customizing Articles")
992 :type gnus-article-treat-custom)
994 (defcustom gnus-treat-strip-banner t
995 "Strip banners from articles.
996 The banner to be stripped is specified in the `banner' group parameter.
997 Valid values are nil, t, `head', `last', an integer or a predicate.
998 See Info node `(gnus)Customizing Articles' for details."
999 :group 'gnus-article-treat
1000 :link '(custom-manual "(gnus)Customizing Articles")
1001 :type gnus-article-treat-custom)
1003 (defcustom gnus-treat-highlight-headers 'head
1004 "Highlight the headers.
1005 Valid values are nil, t, `head', `last', an integer or a predicate.
1006 See Info node `(gnus)Customizing Articles' for details."
1007 :group 'gnus-article-treat
1008 :link '(custom-manual "(gnus)Customizing Articles")
1009 :type gnus-article-treat-head-custom)
1010 (put 'gnus-treat-highlight-headers 'highlight t)
1012 (defcustom gnus-treat-highlight-citation t
1013 "Highlight cited text.
1014 Valid values are nil, t, `head', `last', an integer or a predicate.
1015 See Info node `(gnus)Customizing Articles' for details."
1016 :group 'gnus-article-treat
1017 :link '(custom-manual "(gnus)Customizing Articles")
1018 :type gnus-article-treat-custom)
1019 (put 'gnus-treat-highlight-citation 'highlight t)
1021 (defcustom gnus-treat-date-ut nil
1022 "Display the Date in UT (GMT).
1023 Valid values are nil, t, `head', `last', an integer or a predicate.
1024 See Info node `(gnus)Customizing Articles' for details."
1025 :group 'gnus-article-treat
1026 :link '(custom-manual "(gnus)Customizing Articles")
1027 :type gnus-article-treat-head-custom)
1029 (defcustom gnus-treat-date-local nil
1030 "Display the Date in the local timezone.
1031 Valid values are nil, t, `head', `last', an integer or a predicate.
1032 See Info node `(gnus)Customizing Articles' for details."
1033 :group 'gnus-article-treat
1034 :link '(custom-manual "(gnus)Customizing Articles")
1035 :type gnus-article-treat-head-custom)
1037 (defcustom gnus-treat-date-english nil
1038 "Display the Date in a format that can be read aloud in English.
1039 Valid values are nil, t, `head', `last', an integer or a predicate.
1040 See Info node `(gnus)Customizing Articles' for details."
1041 :group 'gnus-article-treat
1042 :link '(custom-manual "(gnus)Customizing Articles")
1043 :type gnus-article-treat-head-custom)
1045 (defcustom gnus-treat-date-lapsed nil
1046 "Display the Date header in a way that says how much time has elapsed.
1047 Valid values are nil, t, `head', `last', an integer or a predicate.
1048 See Info node `(gnus)Customizing Articles' for details."
1049 :group 'gnus-article-treat
1050 :link '(custom-manual "(gnus)Customizing Articles")
1051 :type gnus-article-treat-head-custom)
1053 (defcustom gnus-treat-date-original nil
1054 "Display the date in the original timezone.
1055 Valid values are nil, t, `head', `last', an integer or a predicate.
1056 See Info node `(gnus)Customizing Articles' for details."
1057 :group 'gnus-article-treat
1058 :link '(custom-manual "(gnus)Customizing Articles")
1059 :type gnus-article-treat-head-custom)
1061 (defcustom gnus-treat-date-iso8601 nil
1062 "Display the date in the ISO8601 format.
1063 Valid values are nil, t, `head', `last', an integer or a predicate.
1064 See Info node `(gnus)Customizing Articles' for details."
1066 :group 'gnus-article-treat
1067 :link '(custom-manual "(gnus)Customizing Articles")
1068 :type gnus-article-treat-head-custom)
1070 (defcustom gnus-treat-date-user-defined nil
1071 "Display the date in a user-defined format.
1072 The format is defined by the `gnus-article-time-format' variable.
1073 Valid values are nil, t, `head', `last', an integer or a predicate.
1074 See Info node `(gnus)Customizing Articles' for details."
1075 :group 'gnus-article-treat
1076 :link '(custom-manual "(gnus)Customizing Articles")
1077 :type gnus-article-treat-head-custom)
1079 (defcustom gnus-treat-strip-headers-in-body t
1080 "Strip the X-No-Archive header line from the beginning of the body.
1081 Valid values are nil, t, `head', `last', an integer or a predicate.
1082 See Info node `(gnus)Customizing Articles' for details."
1084 :group 'gnus-article-treat
1085 :link '(custom-manual "(gnus)Customizing Articles")
1086 :type gnus-article-treat-custom)
1088 (defcustom gnus-treat-strip-trailing-blank-lines nil
1089 "Strip trailing blank lines.
1090 Valid values are nil, t, `head', `last', an integer or a predicate.
1091 See Info node `(gnus)Customizing Articles' for details."
1092 :group 'gnus-article-treat
1093 :link '(custom-manual "(gnus)Customizing Articles")
1094 :type gnus-article-treat-custom)
1096 (defcustom gnus-treat-strip-leading-blank-lines nil
1097 "Strip leading blank lines.
1098 Valid values are nil, t, `head', `last', an integer or a predicate.
1099 See Info node `(gnus)Customizing Articles' for details."
1100 :group 'gnus-article-treat
1101 :link '(custom-manual "(gnus)Customizing Articles")
1102 :type gnus-article-treat-custom)
1104 (defcustom gnus-treat-strip-multiple-blank-lines nil
1105 "Strip multiple blank lines.
1106 Valid values are nil, t, `head', `last', an integer or a predicate.
1107 See Info node `(gnus)Customizing Articles' for details."
1108 :group 'gnus-article-treat
1109 :link '(custom-manual "(gnus)Customizing Articles")
1110 :type gnus-article-treat-custom)
1112 (defcustom gnus-treat-unfold-headers 'head
1113 "Unfold folded header lines.
1114 Valid values are nil, t, `head', `last', an integer or a predicate.
1115 See Info node `(gnus)Customizing Articles' for details."
1116 :group 'gnus-article-treat
1117 :link '(custom-manual "(gnus)Customizing Articles")
1118 :type gnus-article-treat-custom)
1120 (defcustom gnus-treat-fold-headers nil
1122 Valid values are nil, t, `head', `last', an integer or a predicate.
1123 See Info node `(gnus)Customizing Articles' for details."
1124 :group 'gnus-article-treat
1125 :link '(custom-manual "(gnus)Customizing Articles")
1126 :type gnus-article-treat-custom)
1128 (defcustom gnus-treat-fold-newsgroups 'head
1129 "Fold the Newsgroups and Followup-To headers.
1130 Valid values are nil, t, `head', `last', an integer or a predicate.
1131 See Info node `(gnus)Customizing Articles' for details."
1132 :group 'gnus-article-treat
1133 :link '(custom-manual "(gnus)Customizing Articles")
1134 :type gnus-article-treat-custom)
1136 (defcustom gnus-treat-overstrike t
1137 "Treat overstrike highlighting.
1138 Valid values are nil, t, `head', `last', an integer or a predicate.
1139 See Info node `(gnus)Customizing Articles' for details."
1140 :group 'gnus-article-treat
1141 :link '(custom-manual "(gnus)Customizing Articles")
1142 :type gnus-article-treat-custom)
1143 (put 'gnus-treat-overstrike 'highlight t)
1145 (defcustom gnus-treat-display-xface
1146 (and (not noninteractive)
1147 (or (and (fboundp 'image-type-available-p)
1148 (image-type-available-p 'xbm)
1149 (string-match "^0x" (shell-command-to-string "uncompface"))
1150 (executable-find "icontopbm"))
1151 (and (featurep 'xemacs)
1154 "Display X-Face headers.
1155 Valid values are nil, t, `head', `last', an integer or a predicate.
1156 See Info node `(gnus)Customizing Articles' and Info node
1157 `(gnus)X-Face' for details."
1158 :group 'gnus-article-treat
1160 :link '(custom-manual "(gnus)Customizing Articles")
1161 :link '(custom-manual "(gnus)X-Face")
1162 :type gnus-article-treat-head-custom)
1163 (put 'gnus-treat-display-xface 'highlight t)
1165 (defcustom gnus-treat-display-face
1166 (and (not noninteractive)
1167 (or (and (fboundp 'image-type-available-p)
1168 (image-type-available-p 'png))
1169 (and (featurep 'xemacs)
1172 "Display Face headers.
1173 Valid values are nil, t, `head', `last', an integer or a predicate.
1174 See Info node `(gnus)Customizing Articles' and Info node
1175 `(gnus)X-Face' for details."
1176 :group 'gnus-article-treat
1178 :link '(custom-manual "(gnus)Customizing Articles")
1179 :link '(custom-manual "(gnus)X-Face")
1180 :type gnus-article-treat-head-custom)
1181 (put 'gnus-treat-display-xface 'highlight t)
1183 (defcustom gnus-treat-display-smileys
1184 (if (or (and (featurep 'xemacs)
1186 (and (fboundp 'image-type-available-p)
1187 (image-type-available-p 'pbm)))
1190 Valid values are nil, t, `head', `last', an integer or a predicate.
1191 See Info node `(gnus)Customizing Articles' and Info node
1192 `(gnus)Smileys' for details."
1193 :group 'gnus-article-treat
1195 :link '(custom-manual "(gnus)Customizing Articles")
1196 :link '(custom-manual "(gnus)Smileys")
1197 :type gnus-article-treat-custom)
1198 (put 'gnus-treat-display-smileys 'highlight t)
1200 (defcustom gnus-treat-from-picon
1201 (if (and (gnus-image-type-available-p 'xpm)
1202 (gnus-picons-installed-p))
1204 "Display picons in the From header.
1205 Valid values are nil, t, `head', `last', an integer or a predicate.
1206 See Info node `(gnus)Customizing Articles' and Info node
1207 `(gnus)Picons' for details."
1208 :group 'gnus-article-treat
1210 :link '(custom-manual "(gnus)Customizing Articles")
1211 :link '(custom-manual "(gnus)Picons")
1212 :type gnus-article-treat-head-custom)
1213 (put 'gnus-treat-from-picon 'highlight t)
1215 (defcustom gnus-treat-mail-picon
1216 (if (and (gnus-image-type-available-p 'xpm)
1217 (gnus-picons-installed-p))
1219 "Display picons in To and Cc headers.
1220 Valid values are nil, t, `head', `last', an integer or a predicate.
1221 See Info node `(gnus)Customizing Articles' and Info node
1222 `(gnus)Picons' for details."
1223 :group 'gnus-article-treat
1225 :link '(custom-manual "(gnus)Customizing Articles")
1226 :link '(custom-manual "(gnus)Picons")
1227 :type gnus-article-treat-head-custom)
1228 (put 'gnus-treat-mail-picon 'highlight t)
1230 (defcustom gnus-treat-newsgroups-picon
1231 (if (and (gnus-image-type-available-p 'xpm)
1232 (gnus-picons-installed-p))
1234 "Display picons in the Newsgroups and Followup-To headers.
1235 Valid values are nil, t, `head', `last', an integer or a predicate.
1236 See Info node `(gnus)Customizing Articles' and Info node
1237 `(gnus)Picons' for details."
1238 :group 'gnus-article-treat
1240 :link '(custom-manual "(gnus)Customizing Articles")
1241 :link '(custom-manual "(gnus)Picons")
1242 :type gnus-article-treat-head-custom)
1243 (put 'gnus-treat-newsgroups-picon 'highlight t)
1245 (defcustom gnus-treat-body-boundary
1246 (if (or gnus-treat-newsgroups-picon
1247 gnus-treat-mail-picon
1248 gnus-treat-from-picon)
1250 "Draw a boundary at the end of the headers.
1251 Valid values are nil, t, `head', `last', an integer or a predicate.
1252 See Info node `(gnus)Customizing Articles' for details."
1254 :group 'gnus-article-treat
1255 :link '(custom-manual "(gnus)Customizing Articles")
1256 :type gnus-article-treat-custom)
1258 (defcustom gnus-treat-capitalize-sentences nil
1259 "Capitalize sentence-starting words.
1260 Valid values are nil, t, `head', `last', an integer or a predicate.
1261 See Info node `(gnus)Customizing Articles' for details."
1263 :group 'gnus-article-treat
1264 :link '(custom-manual "(gnus)Customizing Articles")
1265 :type gnus-article-treat-custom)
1267 (defcustom gnus-treat-wash-html nil
1269 Valid values are nil, t, `head', `last', an integer or a predicate.
1270 See Info node `(gnus)Customizing Articles' for details."
1271 :group 'gnus-article-treat
1272 :link '(custom-manual "(gnus)Customizing Articles")
1273 :type gnus-article-treat-custom)
1275 (defcustom gnus-treat-fill-long-lines nil
1277 Valid values are nil, t, `head', `last', an integer or a predicate.
1278 See Info node `(gnus)Customizing Articles' for details."
1279 :group 'gnus-article-treat
1280 :link '(custom-manual "(gnus)Customizing Articles")
1281 :type gnus-article-treat-custom)
1283 (defcustom gnus-treat-play-sounds nil
1285 Valid values are nil, t, `head', `last', an integer or a predicate.
1286 See Info node `(gnus)Customizing Articles' for details."
1288 :group 'gnus-article-treat
1289 :link '(custom-manual "(gnus)Customizing Articles")
1290 :type gnus-article-treat-custom)
1292 (defcustom gnus-treat-translate nil
1293 "Translate articles from one language to another.
1294 Valid values are nil, t, `head', `last', an integer or a predicate.
1295 See Info node `(gnus)Customizing Articles' for details."
1297 :group 'gnus-article-treat
1298 :link '(custom-manual "(gnus)Customizing Articles")
1299 :type gnus-article-treat-custom)
1301 (defcustom gnus-treat-x-pgp-sig nil
1303 To automatically treat X-PGP-Sig, set it to head.
1304 Valid values are nil, t, `head', `last', an integer or a predicate.
1305 See Info node `(gnus)Customizing Articles' for details."
1306 :group 'gnus-article-treat
1307 :group 'mime-security
1308 :link '(custom-manual "(gnus)Customizing Articles")
1309 :type gnus-article-treat-custom)
1311 (defvar gnus-article-encrypt-protocol-alist
1312 '(("PGP" . mml2015-self-encrypt)))
1314 ;; Set to nil if more than one protocol added to
1315 ;; gnus-article-encrypt-protocol-alist.
1316 (defcustom gnus-article-encrypt-protocol "PGP"
1317 "The protocol used for encrypt articles.
1318 It is a string, such as \"PGP\". If nil, ask user."
1320 :group 'mime-security)
1322 (defvar gnus-article-wash-function nil
1323 "Function used for converting HTML into text.")
1325 (defcustom gnus-use-idna (and (condition-case nil (require 'idna) (file-error))
1326 (fboundp 'coding-system-p)
1327 (coding-system-p 'utf-8))
1328 "Whether IDNA decoding of headers is used when viewing messages.
1329 This requires GNU Libidn, and by default only enabled if it is found."
1330 :group 'gnus-article-headers
1333 ;;; Internal variables
1335 (defvar gnus-english-month-names
1336 '("January" "February" "March" "April" "May" "June" "July" "August"
1337 "September" "October" "November" "December"))
1339 (defvar article-goto-body-goes-to-point-min-p nil)
1340 (defvar gnus-article-wash-types nil)
1341 (defvar gnus-article-emphasis-alist nil)
1342 (defvar gnus-article-image-alist nil)
1344 (defvar gnus-article-mime-handle-alist-1 nil)
1345 (defvar gnus-treatment-function-alist
1346 '((gnus-treat-x-pgp-sig gnus-article-verify-x-pgp-sig)
1347 (gnus-treat-strip-banner gnus-article-strip-banner)
1348 (gnus-treat-strip-headers-in-body gnus-article-strip-headers-in-body)
1349 (gnus-treat-highlight-signature gnus-article-highlight-signature)
1350 (gnus-treat-buttonize gnus-article-add-buttons)
1351 (gnus-treat-fill-article gnus-article-fill-cited-article)
1352 (gnus-treat-fill-long-lines gnus-article-fill-long-lines)
1353 (gnus-treat-strip-cr gnus-article-remove-cr)
1354 (gnus-treat-unsplit-urls gnus-article-unsplit-urls)
1355 (gnus-treat-date-ut gnus-article-date-ut)
1356 (gnus-treat-date-local gnus-article-date-local)
1357 (gnus-treat-date-english gnus-article-date-english)
1358 (gnus-treat-date-lapsed gnus-article-date-lapsed)
1359 (gnus-treat-date-original gnus-article-date-original)
1360 (gnus-treat-date-user-defined gnus-article-date-user)
1361 (gnus-treat-date-iso8601 gnus-article-date-iso8601)
1362 (gnus-treat-display-xface gnus-article-display-x-face)
1363 (gnus-treat-display-face gnus-article-display-face)
1364 (gnus-treat-hide-headers gnus-article-maybe-hide-headers)
1365 (gnus-treat-hide-boring-headers gnus-article-hide-boring-headers)
1366 (gnus-treat-hide-signature gnus-article-hide-signature)
1367 (gnus-treat-strip-list-identifiers gnus-article-hide-list-identifiers)
1368 (gnus-treat-leading-whitespace gnus-article-remove-leading-whitespace)
1369 (gnus-treat-strip-pem gnus-article-hide-pem)
1370 (gnus-treat-from-picon gnus-treat-from-picon)
1371 (gnus-treat-mail-picon gnus-treat-mail-picon)
1372 (gnus-treat-newsgroups-picon gnus-treat-newsgroups-picon)
1373 (gnus-treat-highlight-headers gnus-article-highlight-headers)
1374 (gnus-treat-highlight-signature gnus-article-highlight-signature)
1375 (gnus-treat-strip-trailing-blank-lines
1376 gnus-article-remove-trailing-blank-lines)
1377 (gnus-treat-strip-leading-blank-lines
1378 gnus-article-strip-leading-blank-lines)
1379 (gnus-treat-strip-multiple-blank-lines
1380 gnus-article-strip-multiple-blank-lines)
1381 (gnus-treat-overstrike gnus-article-treat-overstrike)
1382 (gnus-treat-unfold-headers gnus-article-treat-unfold-headers)
1383 (gnus-treat-fold-headers gnus-article-treat-fold-headers)
1384 (gnus-treat-fold-newsgroups gnus-article-treat-fold-newsgroups)
1385 (gnus-treat-buttonize-head gnus-article-add-buttons-to-head)
1386 (gnus-treat-display-smileys gnus-treat-smiley)
1387 (gnus-treat-capitalize-sentences gnus-article-capitalize-sentences)
1388 (gnus-treat-wash-html gnus-article-wash-html)
1389 (gnus-treat-emphasize gnus-article-emphasize)
1390 (gnus-treat-hide-citation gnus-article-hide-citation)
1391 (gnus-treat-hide-citation-maybe gnus-article-hide-citation-maybe)
1392 (gnus-treat-highlight-citation gnus-article-highlight-citation)
1393 (gnus-treat-body-boundary gnus-article-treat-body-boundary)
1394 (gnus-treat-play-sounds gnus-earcon-display)))
1396 (defvar gnus-article-mime-handle-alist nil)
1397 (defvar article-lapsed-timer nil)
1398 (defvar gnus-article-current-summary nil)
1400 (defvar gnus-article-mode-syntax-table
1401 (let ((table (copy-syntax-table text-mode-syntax-table)))
1402 ;; This causes the citation match run O(2^n).
1403 ;; (modify-syntax-entry ?- "w" table)
1404 (modify-syntax-entry ?> ")<" table)
1405 (modify-syntax-entry ?< "(>" table)
1406 ;; make M-. in article buffers work for `foo' strings
1407 (modify-syntax-entry ?' " " table)
1408 (modify-syntax-entry ?` " " table)
1410 "Syntax table used in article mode buffers.
1411 Initialized from `text-mode-syntax-table.")
1413 (defvar gnus-save-article-buffer nil)
1415 (defvar gnus-article-mode-line-format-alist
1416 (nconc '((?w (gnus-article-wash-status) ?s)
1417 (?m (gnus-article-mime-part-status) ?s))
1418 gnus-summary-mode-line-format-alist))
1420 (defvar gnus-number-of-articles-to-be-saved nil)
1422 (defvar gnus-inhibit-hiding nil)
1424 ;;; Macros for dealing with the article buffer.
1426 (defmacro gnus-with-article-headers (&rest forms)
1428 (set-buffer gnus-article-buffer)
1430 (let ((buffer-read-only nil)
1431 (inhibit-point-motion-hooks t)
1432 (case-fold-search t))
1433 (article-narrow-to-head)
1436 (put 'gnus-with-article-headers 'lisp-indent-function 0)
1437 (put 'gnus-with-article-headers 'edebug-form-spec '(body))
1439 (defmacro gnus-with-article-buffer (&rest forms)
1441 (set-buffer gnus-article-buffer)
1442 (let ((buffer-read-only nil))
1445 (put 'gnus-with-article-buffer 'lisp-indent-function 0)
1446 (put 'gnus-with-article-buffer 'edebug-form-spec '(body))
1448 (defun gnus-article-goto-header (header)
1449 "Go to HEADER, which is a regular expression."
1450 (re-search-forward (concat "^\\(" header "\\):") nil t))
1452 (defsubst gnus-article-hide-text (b e props)
1453 "Set text PROPS on the B to E region, extending `intangible' 1 past B."
1454 (gnus-add-text-properties-when 'article-type nil b e props)
1455 (when (memq 'intangible props)
1457 (max (1- b) (point-min))
1458 b 'intangible (cddr (memq 'intangible props)))))
1460 (defsubst gnus-article-unhide-text (b e)
1461 "Remove hidden text properties from region between B and E."
1462 (remove-text-properties b e gnus-hidden-properties)
1463 (when (memq 'intangible gnus-hidden-properties)
1464 (put-text-property (max (1- b) (point-min))
1465 b 'intangible nil)))
1467 (defun gnus-article-hide-text-type (b e type)
1468 "Hide text of TYPE between B and E."
1469 (gnus-add-wash-type type)
1470 (gnus-article-hide-text
1471 b e (cons 'article-type (cons type gnus-hidden-properties))))
1473 (defun gnus-article-unhide-text-type (b e type)
1474 "Unhide text of TYPE between B and E."
1475 (gnus-delete-wash-type type)
1476 (remove-text-properties
1477 b e (cons 'article-type (cons type gnus-hidden-properties)))
1478 (when (memq 'intangible gnus-hidden-properties)
1479 (put-text-property (max (1- b) (point-min))
1480 b 'intangible nil)))
1482 (defun gnus-article-hide-text-of-type (type)
1483 "Hide text of TYPE in the current buffer."
1485 (let ((b (point-min))
1487 (while (setq b (text-property-any b e 'article-type type))
1488 (add-text-properties b (incf b) gnus-hidden-properties)))))
1490 (defun gnus-article-delete-text-of-type (type)
1491 "Delete text of TYPE in the current buffer."
1493 (let ((b (point-min)))
1494 (while (setq b (text-property-any b (point-max) 'article-type type))
1496 b (or (text-property-not-all b (point-max) 'article-type type)
1499 (defun gnus-article-delete-invisible-text ()
1500 "Delete all invisible text in the current buffer."
1502 (let ((b (point-min)))
1503 (while (setq b (text-property-any b (point-max) 'invisible t))
1505 b (or (text-property-not-all b (point-max) 'invisible t)
1508 (defun gnus-article-text-type-exists-p (type)
1509 "Say whether any text of type TYPE exists in the buffer."
1510 (text-property-any (point-min) (point-max) 'article-type type))
1512 (defsubst gnus-article-header-rank ()
1513 "Give the rank of the string HEADER as given by `gnus-sorted-header-list'."
1514 (let ((list gnus-sorted-header-list)
1517 (if (looking-at (car list))
1519 (setq list (cdr list))
1523 (defun article-hide-headers (&optional arg delete)
1524 "Hide unwanted headers and possibly sort them as well."
1526 ;; This function might be inhibited.
1527 (unless gnus-inhibit-hiding
1530 (let ((buffer-read-only nil)
1531 (case-fold-search t)
1532 (max (1+ (length gnus-sorted-header-list)))
1533 (ignored (when (not gnus-visible-headers)
1534 (cond ((stringp gnus-ignored-headers)
1535 gnus-ignored-headers)
1536 ((listp gnus-ignored-headers)
1537 (mapconcat 'identity gnus-ignored-headers
1540 (cond ((stringp gnus-visible-headers)
1541 gnus-visible-headers)
1542 ((and gnus-visible-headers
1543 (listp gnus-visible-headers))
1544 (mapconcat 'identity gnus-visible-headers "\\|"))))
1545 (inhibit-point-motion-hooks t)
1547 ;; First we narrow to just the headers.
1548 (article-narrow-to-head)
1549 ;; Hide any "From " lines at the beginning of (mail) articles.
1550 (while (looking-at "From ")
1553 (delete-region (point-min) (point)))
1554 ;; Then treat the rest of the header lines.
1555 ;; Then we use the two regular expressions
1556 ;; `gnus-ignored-headers' and `gnus-visible-headers' to
1557 ;; select which header lines is to remain visible in the
1559 (while (re-search-forward "^[^ \t:]*:" nil t)
1561 ;; Mark the rank of the header.
1563 (point) (1+ (point)) 'message-rank
1564 (if (or (and visible (looking-at visible))
1566 (not (looking-at ignored))))
1567 (gnus-article-header-rank)
1570 (message-sort-headers-1)
1571 (when (setq beg (text-property-any
1572 (point-min) (point-max) 'message-rank (+ 2 max)))
1573 ;; We delete the unwanted headers.
1574 (gnus-add-wash-type 'headers)
1575 (add-text-properties (point-min) (+ 5 (point-min))
1576 '(article-type headers dummy-invisible t))
1577 (delete-region beg (point-max))))))))
1579 (defun article-hide-boring-headers (&optional arg)
1580 "Toggle hiding of headers that aren't very interesting.
1581 If given a negative prefix, always show; if given a positive prefix,
1583 (interactive (gnus-article-hidden-arg))
1584 (when (and (not (gnus-article-check-hidden-text 'boring-headers arg))
1585 (not gnus-show-all-headers))
1588 (let ((buffer-read-only nil)
1589 (list gnus-boring-article-headers)
1590 (inhibit-point-motion-hooks t)
1592 (article-narrow-to-head)
1594 (setq elem (pop list))
1595 (goto-char (point-min))
1597 ;; Hide empty headers.
1599 (while (re-search-forward "^[^: \t]+:[ \t]*\n[^ \t]" nil t)
1601 (gnus-article-hide-text-type
1605 (if (re-search-forward "^[^ \t]" nil t)
1609 ;; Hide boring Newsgroups header.
1610 ((eq elem 'newsgroups)
1611 (when (gnus-string-equal
1612 (gnus-fetch-field "newsgroups")
1613 (gnus-group-real-name
1614 (if (boundp 'gnus-newsgroup-name)
1617 (gnus-article-hide-header "newsgroups")))
1618 ((eq elem 'to-address)
1619 (let ((to (message-fetch-field "to"))
1621 (gnus-parameter-to-address
1622 (if (boundp 'gnus-newsgroup-name)
1623 gnus-newsgroup-name ""))))
1624 (when (and to to-address
1627 ;; only one address in To
1628 (nth 1 (mail-extract-address-components to))
1630 (gnus-article-hide-header "to"))))
1632 (let ((to (message-fetch-field "to"))
1634 (gnus-parameter-to-list
1635 (if (boundp 'gnus-newsgroup-name)
1636 gnus-newsgroup-name ""))))
1637 (when (and to to-list
1640 ;; only one address in To
1641 (nth 1 (mail-extract-address-components to))
1643 (gnus-article-hide-header "to"))))
1645 (let ((cc (message-fetch-field "cc"))
1647 (gnus-parameter-to-list
1648 (if (boundp 'gnus-newsgroup-name)
1649 gnus-newsgroup-name ""))))
1650 (when (and cc to-list
1653 ;; only one address in CC
1654 (nth 1 (mail-extract-address-components cc))
1656 (gnus-article-hide-header "cc"))))
1657 ((eq elem 'followup-to)
1658 (when (gnus-string-equal
1659 (message-fetch-field "followup-to")
1660 (message-fetch-field "newsgroups"))
1661 (gnus-article-hide-header "followup-to")))
1662 ((eq elem 'reply-to)
1663 (let ((from (message-fetch-field "from"))
1664 (reply-to (message-fetch-field "reply-to")))
1669 (nth 1 (mail-extract-address-components from))
1670 (nth 1 (mail-extract-address-components reply-to)))))
1671 (gnus-article-hide-header "reply-to"))))
1673 (let ((date (message-fetch-field "date")))
1675 (< (days-between (current-time-string) date)
1677 (gnus-article-hide-header "date"))))
1679 (let ((to (message-fetch-field "to"))
1680 (cc (message-fetch-field "cc")))
1681 (when (> (length to) 1024)
1682 (gnus-article-hide-header "to"))
1683 (when (> (length cc) 1024)
1684 (gnus-article-hide-header "cc"))))
1688 (goto-char (point-min))
1689 (while (re-search-forward "^to:" nil t)
1690 (setq to-count (1+ to-count)))
1691 (when (> to-count 1)
1692 (while (> to-count 0)
1693 (goto-char (point-min))
1695 (re-search-forward "^to:" nil nil to-count)
1697 (narrow-to-region (point) (point-max))
1698 (gnus-article-hide-header "to"))
1699 (setq to-count (1- to-count))))
1700 (goto-char (point-min))
1701 (while (re-search-forward "^cc:" nil t)
1702 (setq cc-count (1+ cc-count)))
1703 (when (> cc-count 1)
1704 (while (> cc-count 0)
1705 (goto-char (point-min))
1707 (re-search-forward "^cc:" nil nil cc-count)
1709 (narrow-to-region (point) (point-max))
1710 (gnus-article-hide-header "cc"))
1711 (setq cc-count (1- cc-count)))))))))))))
1713 (defun gnus-article-hide-header (header)
1715 (goto-char (point-min))
1716 (when (re-search-forward (concat "^" header ":") nil t)
1717 (gnus-article-hide-text-type
1721 (if (re-search-forward "^[^ \t]" nil t)
1726 (defvar gnus-article-normalized-header-length 40
1727 "Length of normalized headers.")
1729 (defun article-normalize-headers ()
1730 "Make all header lines 40 characters long."
1732 (let ((buffer-read-only nil)
1736 (article-narrow-to-head)
1739 ((< (setq column (- (gnus-point-at-eol) (point)))
1740 gnus-article-normalized-header-length)
1742 (insert (make-string
1743 (- gnus-article-normalized-header-length column)
1745 ((> column gnus-article-normalized-header-length)
1746 (gnus-put-text-property
1748 (forward-char gnus-article-normalized-header-length)
1755 (forward-line 1))))))
1757 (defun article-treat-dumbquotes ()
1758 "Translate M****s*** sm*rtq**t*s into proper text.
1759 Note that this function guesses whether a character is a sm*rtq**t* or
1760 not, so it should only be used interactively.
1762 Sm*rtq**t*s are M****s***'s unilateral extension to the character map
1763 in an attempt to provide more quoting characters. If you see
1764 something like \\222 or \\264 where you're expecting some kind of
1765 apostrophe or quotation mark, then try this wash."
1767 (article-translate-strings gnus-article-dumbquotes-map))
1769 (defun article-translate-characters (from to)
1770 "Translate all characters in the body of the article according to FROM and TO.
1771 FROM is a string of characters to translate from; to is a string of
1772 characters to translate to."
1774 (when (article-goto-body)
1775 (let ((buffer-read-only nil)
1776 (x (make-string 225 ?x))
1778 (while (< (incf i) (length x))
1781 (while (< i (length from))
1782 (aset x (aref from i) (aref to i))
1784 (translate-region (point) (point-max) x)))))
1786 (defun article-translate-strings (map)
1787 "Translate all string in the body of the article according to MAP.
1788 MAP is an alist where the elements are on the form (\"from\" \"to\")."
1790 (when (article-goto-body)
1791 (let ((buffer-read-only nil)
1793 (while (setq elem (pop map))
1795 (while (search-forward (car elem) nil t)
1796 (replace-match (cadr elem)))))))))
1798 (defun article-treat-overstrike ()
1799 "Translate overstrikes into bold text."
1802 (when (article-goto-body)
1803 (let ((buffer-read-only nil))
1804 (while (search-forward "\b" nil t)
1805 (let ((next (char-after))
1806 (previous (char-after (- (point) 2))))
1807 ;; We do the boldification/underlining by hiding the
1808 ;; overstrikes and putting the proper text property
1812 (gnus-article-hide-text-type (- (point) 2) (point) 'overstrike)
1813 (put-text-property (point) (1+ (point)) 'face 'bold))
1815 (gnus-article-hide-text-type
1816 (1- (point)) (1+ (point)) 'overstrike)
1818 (- (point) 2) (1- (point)) 'face 'underline))
1820 (gnus-article-hide-text-type (- (point) 2) (point) 'overstrike)
1822 (point) (1+ (point)) 'face 'underline)))))))))
1824 (defun gnus-article-treat-unfold-headers ()
1825 "Unfold folded message headers.
1826 Only the headers that fit into the current window width will be
1829 (gnus-with-article-headers
1833 (mail-header-narrow-to-field)
1834 (let ((header (buffer-string)))
1837 (goto-char (point-min))
1838 (while (re-search-forward "\n[\t ]" nil t)
1839 (replace-match " " t t)))
1840 (setq length (- (point-max) (point-min) 1)))
1841 (when (< length (window-width))
1842 (while (re-search-forward "\n[\t ]" nil t)
1843 (replace-match " " t t)))
1844 (goto-char (point-max)))))))
1846 (defun gnus-article-treat-fold-headers ()
1847 "Fold message headers."
1849 (gnus-with-article-headers
1852 (mail-header-narrow-to-field)
1853 (mail-header-fold-field)
1854 (goto-char (point-max))))))
1856 (defun gnus-treat-smiley ()
1857 "Toggle display of textual emoticons (\"smileys\") as small graphical icons."
1859 (gnus-with-article-buffer
1860 (if (memq 'smiley gnus-article-wash-types)
1861 (gnus-delete-images 'smiley)
1863 (let ((images (smiley-region (point) (point-max))))
1865 (gnus-add-wash-type 'smiley)
1866 (dolist (image images)
1867 (gnus-add-image 'smiley image)))))))
1869 (defun gnus-article-remove-images ()
1870 "Remove all images from the article buffer."
1872 (gnus-with-article-buffer
1873 (dolist (elem gnus-article-image-alist)
1874 (gnus-delete-images (car elem)))))
1876 (defun gnus-article-treat-fold-newsgroups ()
1877 "Unfold folded message headers.
1878 Only the headers that fit into the current window width will be
1881 (gnus-with-article-headers
1882 (while (gnus-article-goto-header "newsgroups\\|followup-to")
1884 (mail-header-narrow-to-field)
1885 (while (re-search-forward ", *" nil t)
1886 (replace-match ", " t t))
1887 (mail-header-fold-field)
1888 (goto-char (point-max))))))
1890 (defun gnus-article-treat-body-boundary ()
1891 "Place a boundary line at the end of the headers."
1893 (when (and gnus-body-boundary-delimiter
1894 (> (length gnus-body-boundary-delimiter) 0))
1895 (gnus-with-article-headers
1896 (goto-char (point-max))
1897 (let ((start (point)))
1898 (insert "X-Boundary: ")
1899 (gnus-add-text-properties start (point) '(invisible t intangible t))
1901 (while (>= (1- (window-width)) (length str))
1902 (setq str (concat str gnus-body-boundary-delimiter)))
1903 (substring str 0 (1- (window-width))))
1905 (gnus-put-text-property start (point) 'gnus-decoration 'header)))))
1907 (defun article-fill-long-lines ()
1908 "Fill lines that are wider than the window width."
1911 (let ((buffer-read-only nil)
1912 (width (window-width (get-buffer-window (current-buffer)))))
1915 (let ((adaptive-fill-mode nil)) ;Why? -sm
1918 (when (>= (current-column) (min fill-column width))
1919 (narrow-to-region (min (1+ (point)) (point-max)) (gnus-point-at-bol))
1920 (let ((goback (point-marker)))
1921 (fill-paragraph nil)
1922 (goto-char (marker-position goback)))
1924 (forward-line 1)))))))
1926 (defun article-capitalize-sentences ()
1927 "Capitalize the first word in each sentence."
1930 (let ((buffer-read-only nil)
1931 (paragraph-start "^[\n\^L]"))
1935 (forward-sentence)))))
1937 (defun article-remove-cr ()
1938 "Remove trailing CRs and then translate remaining CRs into LFs."
1941 (let ((buffer-read-only nil))
1942 (goto-char (point-min))
1943 (while (re-search-forward "\r+$" nil t)
1944 (replace-match "" t t))
1945 (goto-char (point-min))
1946 (while (search-forward "\r" nil t)
1947 (replace-match "\n" t t)))))
1949 (defun article-remove-trailing-blank-lines ()
1950 "Remove all trailing blank lines from the article."
1953 (let ((buffer-read-only nil))
1954 (goto-char (point-max))
1958 (while (and (not (bobp))
1959 (looking-at "^[ \t]*$")
1960 (not (gnus-annotation-in-region-p
1961 (point) (gnus-point-at-eol))))
1966 (defun article-display-face ()
1967 "Display any Face headers in the header."
1969 (gnus-with-article-headers
1970 (let ((face (message-fetch-field "face")))
1972 (let ((png (gnus-convert-face-to-png face))
1975 (setq image (gnus-create-image png 'png t))
1976 (gnus-article-goto-header "from")
1978 (insert "From: [no `from' set]\n")
1980 (gnus-add-wash-type 'face)
1981 (gnus-add-image 'face image)
1982 (gnus-put-image image)))))))
1984 (defun article-display-x-face (&optional force)
1985 "Look for an X-Face header and display it if present."
1986 (interactive (list 'force))
1987 (let ((wash-face-p buffer-read-only)) ;; When type `W f'
1988 (gnus-with-article-headers
1989 ;; Delete the old process, if any.
1990 (when (process-status "article-x-face")
1991 (delete-process "article-x-face"))
1992 (if (memq 'xface gnus-article-wash-types)
1993 ;; We have already displayed X-Faces, so we remove them
1995 (gnus-delete-images 'xface)
1997 (let (x-faces from face)
1999 (when (and wash-face-p
2001 (goto-char (point-min))
2002 (not (re-search-forward
2003 "^X-Face\\(-[0-9]+\\)?:[\t ]*" nil t)))
2004 (gnus-buffer-live-p gnus-original-article-buffer))
2005 ;; If type `W f', use gnus-original-article-buffer,
2006 ;; otherwise use the current buffer because displaying
2007 ;; RFC822 parts calls this function too.
2008 (set-buffer gnus-original-article-buffer))
2010 (mail-narrow-to-head)
2011 (while (gnus-article-goto-header "X-Face")
2012 (push (mail-header-field-value) x-faces))
2013 (setq from (message-fetch-field "from"))))
2014 ;; Sending multiple EOFs to xv doesn't work, so we only do a
2015 ;; single external face.
2016 (when (stringp gnus-article-x-face-command)
2017 (setq x-faces (list (car x-faces))))
2018 (while (and (setq face (pop x-faces))
2019 gnus-article-x-face-command
2021 ;; Check whether this face is censored.
2022 (not gnus-article-x-face-too-ugly)
2023 (and gnus-article-x-face-too-ugly from
2024 (not (string-match gnus-article-x-face-too-ugly
2026 ;; We display the face.
2027 (if (symbolp gnus-article-x-face-command)
2028 ;; The command is a lisp function, so we call it.
2029 (if (gnus-functionp gnus-article-x-face-command)
2030 (funcall gnus-article-x-face-command face)
2031 (error "%s is not a function" gnus-article-x-face-command))
2032 ;; The command is a string, so we interpret the command
2033 ;; as a, well, command, and fork it off.
2034 (let ((process-connection-type nil))
2035 (process-kill-without-query
2037 "article-x-face" nil shell-file-name shell-command-switch
2038 gnus-article-x-face-command))
2041 (process-send-region "article-x-face"
2042 (point-min) (point-max)))
2043 (process-send-eof "article-x-face")))))))))
2045 (defun article-decode-mime-words ()
2046 "Decode all MIME-encoded words in the article."
2049 (set-buffer gnus-article-buffer)
2050 (let ((inhibit-point-motion-hooks t)
2052 (mail-parse-charset gnus-newsgroup-charset)
2053 (mail-parse-ignored-charsets
2054 (save-excursion (set-buffer gnus-summary-buffer)
2055 gnus-newsgroup-ignored-charsets)))
2056 (mail-decode-encoded-word-region (point-min) (point-max)))))
2058 (defun article-decode-charset (&optional prompt)
2059 "Decode charset-encoded text in the article.
2060 If PROMPT (the prefix), prompt for a coding system to use."
2062 (let ((inhibit-point-motion-hooks t) (case-fold-search t)
2064 (mail-parse-charset gnus-newsgroup-charset)
2065 (mail-parse-ignored-charsets
2066 (save-excursion (condition-case nil
2067 (set-buffer gnus-summary-buffer)
2069 gnus-newsgroup-ignored-charsets))
2070 ct cte ctl charset format)
2073 (article-narrow-to-head)
2074 (setq ct (message-fetch-field "Content-Type" t)
2075 cte (message-fetch-field "Content-Transfer-Encoding" t)
2076 ctl (and ct (ignore-errors
2077 (mail-header-parse-content-type ct)))
2080 (mm-read-coding-system "Charset to decode: "))
2082 (mail-content-type-get ctl 'charset)))
2083 format (and ctl (mail-content-type-get ctl 'format)))
2085 (setq cte (mail-header-strip cte)))
2086 (if (and ctl (not (string-match "/" (car ctl))))
2088 (goto-char (point-max)))
2091 (narrow-to-region (point) (point-max))
2092 (when (and (eq mail-parse-charset 'gnus-decoded)
2093 (eq (mm-body-7-or-8) '8bit))
2094 ;; The text code could have been decoded.
2095 (setq charset mail-parse-charset))
2096 (when (and (or (not ctl)
2097 (equal (car ctl) "text/plain"))
2098 (not format)) ;; article with format will decode later.
2100 charset (and cte (intern (downcase
2101 (gnus-strip-whitespace cte))))
2102 (car ctl) prompt))))))
2104 (defun article-decode-encoded-words ()
2105 "Remove encoded-word encoding from headers."
2106 (let ((inhibit-point-motion-hooks t)
2107 (mail-parse-charset gnus-newsgroup-charset)
2108 (mail-parse-ignored-charsets
2109 (save-excursion (condition-case nil
2110 (set-buffer gnus-summary-buffer)
2112 gnus-newsgroup-ignored-charsets))
2115 (article-narrow-to-head)
2116 (funcall gnus-decode-header-function (point-min) (point-max)))))
2118 (defun article-decode-group-name ()
2119 "Decode group names in `Newsgroups:'."
2120 (let ((inhibit-point-motion-hooks t)
2122 (method (gnus-find-method-for-group gnus-newsgroup-name)))
2123 (when (and (or gnus-group-name-charset-method-alist
2124 gnus-group-name-charset-group-alist)
2125 (gnus-buffer-live-p gnus-original-article-buffer))
2127 (article-narrow-to-head)
2128 (with-current-buffer gnus-original-article-buffer
2129 (goto-char (point-min)))
2130 (while (re-search-forward "^Newsgroups:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]"
2132 (replace-match (save-match-data
2133 (gnus-decode-newsgroups
2134 ;; XXX how to use data in article buffer?
2135 (with-current-buffer gnus-original-article-buffer
2137 "^Newsgroups:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]"
2140 gnus-newsgroup-name method))
2142 (goto-char (point-min))
2143 (with-current-buffer gnus-original-article-buffer
2144 (goto-char (point-min)))
2145 (while (re-search-forward "^Followup-To:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]"
2147 (replace-match (save-match-data
2148 (gnus-decode-newsgroups
2149 ;; XXX how to use data in article buffer?
2150 (with-current-buffer gnus-original-article-buffer
2152 "^Followup-To:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]"
2155 gnus-newsgroup-name method))
2158 (autoload 'idna-to-unicode "idna")
2160 (defun article-decode-idna-rhs ()
2161 "Decode IDNA strings in RHS in From:, To: and Cc: headers in current buffer."
2164 (let ((inhibit-point-motion-hooks t)
2166 (article-narrow-to-head)
2167 (goto-char (point-min))
2168 (while (re-search-forward "\\(xn--[-A-Za-z0-9.]*\\)[ \t\n\r,>]" nil t)
2170 (when (save-match-data
2171 (and (setq ace (match-string 1))
2173 (and (re-search-backward "^[^ \t]" nil t)
2174 (looking-at "From\\|To\\|Cc")))
2175 (save-excursion (backward-char)
2176 (message-idna-inside-rhs-p))
2177 (setq unicode (idna-to-unicode ace))))
2178 (unless (string= ace unicode)
2179 (replace-match unicode nil nil nil 1)))))))))
2181 (defun article-de-quoted-unreadable (&optional force read-charset)
2182 "Translate a quoted-printable-encoded article.
2183 If FORCE, decode the article whether it is marked as quoted-printable
2185 If READ-CHARSET, ask for a coding system."
2186 (interactive (list 'force current-prefix-arg))
2188 (let ((buffer-read-only nil) type charset)
2189 (if (gnus-buffer-live-p gnus-original-article-buffer)
2190 (with-current-buffer gnus-original-article-buffer
2192 (gnus-fetch-field "content-transfer-encoding"))
2193 (let* ((ct (gnus-fetch-field "content-type"))
2196 (mail-header-parse-content-type ct)))))
2197 (setq charset (and ctl
2198 (mail-content-type-get ctl 'charset)))
2199 (if (stringp charset)
2200 (setq charset (intern (downcase charset)))))))
2202 (setq charset (mm-read-coding-system "Charset: " charset)))
2204 (setq charset gnus-newsgroup-charset))
2206 (and type (let ((case-fold-search t))
2207 (string-match "quoted-printable" type))))
2209 (quoted-printable-decode-region
2210 (point) (point-max) (mm-charset-to-coding-system charset))))))
2212 (defun article-de-base64-unreadable (&optional force read-charset)
2213 "Translate a base64 article.
2214 If FORCE, decode the article whether it is marked as base64 not.
2215 If READ-CHARSET, ask for a coding system."
2216 (interactive (list 'force current-prefix-arg))
2218 (let ((buffer-read-only nil) type charset)
2219 (if (gnus-buffer-live-p gnus-original-article-buffer)
2220 (with-current-buffer gnus-original-article-buffer
2222 (gnus-fetch-field "content-transfer-encoding"))
2223 (let* ((ct (gnus-fetch-field "content-type"))
2226 (mail-header-parse-content-type ct)))))
2227 (setq charset (and ctl
2228 (mail-content-type-get ctl 'charset)))
2229 (if (stringp charset)
2230 (setq charset (intern (downcase charset)))))))
2232 (setq charset (mm-read-coding-system "Charset: " charset)))
2234 (setq charset gnus-newsgroup-charset))
2236 (and type (let ((case-fold-search t))
2237 (string-match "base64" type))))
2240 (narrow-to-region (point) (point-max))
2241 (base64-decode-region (point-min) (point-max))
2242 (mm-decode-coding-region
2243 (point-min) (point-max) (mm-charset-to-coding-system charset)))))))
2248 (defun article-decode-HZ ()
2249 "Translate a HZ-encoded article."
2253 (let ((buffer-read-only nil))
2254 (rfc1843-decode-region (point-min) (point-max)))))
2256 (defun article-unsplit-urls ()
2257 "Remove the newlines that some other mailers insert into URLs."
2260 (let ((buffer-read-only nil))
2261 (goto-char (point-min))
2262 (while (re-search-forward
2263 "^\\(\\(https?\\|ftp\\)://\\S-+\\) *\n\\(\\S-+\\)" nil t)
2264 (replace-match "\\1\\3" t)))
2265 (when (and gnus-display-mime-function (interactive-p))
2266 (funcall gnus-display-mime-function))))
2269 (defun article-wash-html (&optional read-charset)
2270 "Format an HTML article.
2271 If READ-CHARSET, ask for a coding system."
2274 (let ((buffer-read-only nil)
2276 (when (gnus-buffer-live-p gnus-original-article-buffer)
2277 (with-current-buffer gnus-original-article-buffer
2278 (let* ((ct (gnus-fetch-field "content-type"))
2281 (mail-header-parse-content-type ct)))))
2282 (setq charset (and ctl
2283 (mail-content-type-get ctl 'charset)))
2284 (when (stringp charset)
2285 (setq charset (intern (downcase charset)))))))
2287 (setq charset (mm-read-coding-system "Charset: " charset)))
2289 (setq charset gnus-newsgroup-charset))
2291 (save-window-excursion
2293 (narrow-to-region (point) (point-max))
2294 (let* ((func (or gnus-article-wash-function mm-text-html-renderer))
2295 (entry (assq func mm-text-html-washer-alist)))
2297 (setq func (cdr entry)))
2299 ((gnus-functionp func)
2302 (apply (car func) (cdr func))))))))))
2304 (defun gnus-article-wash-html-with-w3 ()
2305 "Wash the current buffer with w3."
2307 (let ((w3-strict-width (window-width))
2308 (url-standalone-mode t)
2309 (url-gateway-unplugged t)
2310 (w3-honor-stylesheets nil))
2312 (w3-region (point-min) (point-max))
2315 (defun gnus-article-wash-html-with-w3m ()
2316 "Wash the current buffer with emacs-w3m."
2319 (narrow-to-region (point) (point-max))
2320 (let ((w3m-safe-url-regexp (if mm-inline-text-html-with-images
2323 w3m-force-redisplay)
2324 (w3m-region (point-min) (point-max)))
2325 (when mm-inline-text-html-with-w3m-keymap
2326 (add-text-properties
2327 (point-min) (point-max)
2328 (nconc (mm-w3m-local-map-property)
2329 '(mm-inline-text-html-with-w3m t))))))
2331 (defun article-hide-list-identifiers ()
2332 "Remove list identifies from the Subject header.
2333 The `gnus-list-identifiers' variable specifies what to do."
2335 (let ((inhibit-point-motion-hooks t)
2336 (regexp (if (consp gnus-list-identifiers)
2337 (mapconcat 'identity gnus-list-identifiers " *\\|")
2338 gnus-list-identifiers))
2343 (article-narrow-to-head)
2344 (goto-char (point-min))
2345 (while (re-search-forward
2346 (concat "^Subject: +\\(R[Ee]: +\\)*\\(" regexp " *\\)")
2348 (delete-region (match-beginning 2) (match-end 0))
2349 (beginning-of-line))
2350 (when (re-search-forward
2351 "^Subject: +\\(\\(R[Ee]: +\\)+\\)R[Ee]: +" nil t)
2352 (delete-region (match-beginning 1) (match-end 1))))))))
2354 (defun article-hide-pem (&optional arg)
2355 "Toggle hiding of any PEM headers and signatures in the current article.
2356 If given a negative prefix, always show; if given a positive prefix,
2358 (interactive (gnus-article-hidden-arg))
2359 (unless (gnus-article-check-hidden-text 'pem arg)
2361 (let (buffer-read-only end)
2362 (goto-char (point-min))
2363 ;; Hide the horrendously ugly "header".
2364 (when (and (search-forward
2365 "\n-----BEGIN PRIVACY-ENHANCED MESSAGE-----\n"
2367 (setq end (1+ (match-beginning 0))))
2368 (gnus-add-wash-type 'pem)
2369 (gnus-article-hide-text-type
2371 (if (search-forward "\n\n" nil t)
2375 ;; Hide the trailer as well
2376 (when (search-forward "\n-----END PRIVACY-ENHANCED MESSAGE-----\n"
2378 (gnus-article-hide-text-type
2379 (match-beginning 0) (match-end 0) 'pem)))))))
2381 (defun article-strip-banner ()
2382 "Strip the banners specified by the `banner' group parameter and by
2383 `gnus-article-address-banner-alist'."
2387 (let ((inhibit-point-motion-hooks t))
2388 (when (gnus-parameter-banner gnus-newsgroup-name)
2389 (article-really-strip-banner
2390 (gnus-parameter-banner gnus-newsgroup-name)))
2391 (when gnus-article-address-banner-alist
2392 (article-really-strip-banner
2393 (let ((from (save-restriction
2395 (article-narrow-to-head)
2396 (mail-fetch-field "from"))))
2399 (caar (mail-header-parse-addresses from))))
2401 (dolist (pair gnus-article-address-banner-alist)
2402 (when (string-match (car pair) from)
2403 (throw 'found (cdr pair)))))))))))))
2405 (defun article-really-strip-banner (banner)
2406 "Strip the banner specified by the argument."
2409 (let ((inhibit-point-motion-hooks t)
2410 (gnus-signature-limit nil)
2414 ((eq banner 'signature)
2415 (when (gnus-article-narrow-to-signature)
2418 (delete-region (point) (point-max))))
2420 (if (setq banner (cdr (assq banner gnus-article-banner-alist)))
2421 (while (re-search-forward banner nil t)
2422 (delete-region (match-beginning 0) (match-end 0)))))
2424 (while (re-search-forward banner nil t)
2425 (delete-region (match-beginning 0) (match-end 0)))))))))
2427 (defun article-babel ()
2428 "Translate article using an online translation service."
2432 (set-buffer gnus-article-buffer)
2433 (when (article-goto-body)
2434 (let* ((buffer-read-only nil)
2437 (orig (buffer-substring start end))
2438 (trans (babel-as-string orig)))
2440 (narrow-to-region start end)
2441 (delete-region start end)
2444 (defun article-hide-signature (&optional arg)
2445 "Hide the signature in the current article.
2446 If given a negative prefix, always show; if given a positive prefix,
2448 (interactive (gnus-article-hidden-arg))
2449 (unless (gnus-article-check-hidden-text 'signature arg)
2452 (let ((buffer-read-only nil))
2453 (when (gnus-article-narrow-to-signature)
2454 (gnus-article-hide-text-type
2455 (point-min) (point-max) 'signature))))))
2456 (gnus-set-mode-line 'article))
2458 (defun article-strip-headers-in-body ()
2459 "Strip offensive headers from bodies."
2463 (let ((case-fold-search t))
2464 (when (looking-at "x-no-archive:")
2465 (gnus-delete-line)))))
2467 (defun article-strip-leading-blank-lines ()
2468 "Remove all blank lines from the beginning of the article."
2471 (let ((inhibit-point-motion-hooks t)
2473 (when (article-goto-body)
2474 (while (and (not (eobp))
2475 (looking-at "[ \t]*$"))
2476 (gnus-delete-line))))))
2478 (defun article-narrow-to-head ()
2479 "Narrow the buffer to the head of the message.
2480 Point is left at the beginning of the narrowed-to region."
2482 (goto-char (point-min))
2483 (if (search-forward "\n\n" nil 1)
2486 (goto-char (point-min)))
2488 (defun article-goto-body ()
2489 "Place point at the start of the body."
2490 (goto-char (point-min))
2492 ;; This variable is only bound when dealing with separate
2494 (article-goto-body-goes-to-point-min-p
2496 ((search-forward "\n\n" nil t)
2499 (goto-char (point-max))
2502 (defun article-strip-multiple-blank-lines ()
2503 "Replace consecutive blank lines with one empty line."
2506 (let ((inhibit-point-motion-hooks t)
2508 ;; First make all blank lines empty.
2510 (while (re-search-forward "^[ \t]+$" nil t)
2511 (unless (gnus-annotation-in-region-p
2512 (match-beginning 0) (match-end 0))
2513 (replace-match "" nil t)))
2514 ;; Then replace multiple empty lines with a single empty line.
2516 (while (re-search-forward "\n\n\\(\n+\\)" nil t)
2517 (unless (gnus-annotation-in-region-p
2518 (match-beginning 0) (match-end 0))
2519 (delete-region (match-beginning 1) (match-end 1)))))))
2521 (defun article-strip-leading-space ()
2522 "Remove all white space from the beginning of the lines in the article."
2525 (let ((inhibit-point-motion-hooks t)
2528 (while (re-search-forward "^[ \t]+" nil t)
2529 (replace-match "" t t)))))
2531 (defun article-strip-trailing-space ()
2532 "Remove all white space from the end of the lines in the article."
2535 (let ((inhibit-point-motion-hooks t)
2538 (while (re-search-forward "[ \t]+$" nil t)
2539 (replace-match "" t t)))))
2541 (defun article-strip-blank-lines ()
2542 "Strip leading, trailing and multiple blank lines."
2544 (article-strip-leading-blank-lines)
2545 (article-remove-trailing-blank-lines)
2546 (article-strip-multiple-blank-lines))
2548 (defun article-strip-all-blank-lines ()
2549 "Strip all blank lines."
2552 (let ((inhibit-point-motion-hooks t)
2555 (while (re-search-forward "^[ \t]*\n" nil t)
2556 (replace-match "" t t)))))
2558 (defun gnus-article-narrow-to-signature ()
2559 "Narrow to the signature; return t if a signature is found, else nil."
2560 (let ((inhibit-point-motion-hooks t))
2561 (when (gnus-article-search-signature)
2563 ;; Check whether we have some limits to what we consider
2564 ;; to be a signature.
2565 (let ((limits (if (listp gnus-signature-limit) gnus-signature-limit
2566 (list gnus-signature-limit)))
2568 (while (setq limit (pop limits))
2569 (if (or (and (integerp limit)
2570 (< (- (point-max) (point)) limit))
2572 (< (count-lines (point) (point-max)) limit))
2573 (and (gnus-functionp limit)
2575 (and (stringp limit)
2576 (not (re-search-forward limit nil t))))
2577 () ; This limit did not succeed.
2581 (narrow-to-region (point) (point-max))
2584 (defun gnus-article-search-signature ()
2585 "Search the current buffer for the signature separator.
2586 Put point at the beginning of the signature separator."
2587 (let ((cur (point)))
2588 (goto-char (point-max))
2589 (if (if (stringp gnus-signature-separator)
2590 (re-search-backward gnus-signature-separator nil t)
2591 (let ((seps gnus-signature-separator))
2593 (not (re-search-backward (car seps) nil t)))
2600 (defun gnus-article-hidden-arg ()
2601 "Return the current prefix arg as a number, or 0 if no prefix."
2602 (list (if current-prefix-arg
2603 (prefix-numeric-value current-prefix-arg)
2606 (defun gnus-article-check-hidden-text (type arg)
2607 "Return nil if hiding is necessary.
2608 Arg can be nil or a number. nil and positive means hide, negative
2609 means show, 0 means toggle."
2612 (let ((hide (gnus-article-hidden-text-p type)))
2618 (gnus-article-show-hidden-text type)
2621 (if (eq hide 'hidden)
2623 (gnus-article-show-hidden-text type)
2627 (defun gnus-article-hidden-text-p (type)
2628 "Say whether the current buffer contains hidden text of type TYPE."
2629 (let ((pos (text-property-any (point-min) (point-max) 'article-type type)))
2631 (not (get-text-property pos 'invisible))
2632 (not (get-text-property pos 'dummy-invisible)))
2634 (text-property-any (1+ pos) (point-max) 'article-type type)))
2639 (defun gnus-article-show-hidden-text (type &optional dummy)
2640 "Show all hidden text of type TYPE.
2641 Originally it is hide instead of DUMMY."
2642 (let ((buffer-read-only nil)
2643 (inhibit-point-motion-hooks t))
2644 (gnus-remove-text-properties-when
2646 (point-min) (point-max)
2647 (cons 'article-type (cons type
2648 gnus-hidden-properties)))
2649 (gnus-delete-wash-type type)))
2651 (defconst article-time-units
2652 `((year . ,(* 365.25 24 60 60))
2653 (week . ,(* 7 24 60 60))
2654 (day . ,(* 24 60 60))
2658 "Mapping from time units to seconds.")
2660 (defun gnus-article-forward-header ()
2661 "Move point to the start of the next header.
2662 If the current header is a continuation header, this can be several
2667 (if (looking-at "[ \t]+[^ \t]")
2671 (defun article-date-ut (&optional type highlight header)
2672 "Convert DATE date to universal time in the current article.
2673 If TYPE is `local', convert to local time; if it is `lapsed', output
2674 how much time has lapsed since DATE. For `lapsed', the value of
2675 `gnus-article-date-lapsed-new-header' says whether the \"X-Sent:\" header
2676 should replace the \"Date:\" one, or should be added below it."
2677 (interactive (list 'ut t))
2678 (let* ((header (or header
2679 (message-fetch-field "date")
2681 (tdate-regexp "^Date:[ \t]\\|^X-Sent:[ \t]")
2684 ((not gnus-article-date-lapsed-new-header)
2690 (date (if (vectorp header) (mail-header-date header)
2692 (inhibit-point-motion-hooks t)
2697 (article-narrow-to-head)
2698 (when (re-search-forward tdate-regexp nil t)
2699 (setq bface (get-text-property (gnus-point-at-bol) 'face)
2700 date (or (get-text-property (gnus-point-at-bol)
2703 eface (get-text-property (1- (gnus-point-at-eol)) 'face))
2705 (when (and date (not (string= date "")))
2706 (goto-char (point-min))
2707 (let ((buffer-read-only nil))
2708 ;; Delete any old Date headers.
2709 (while (re-search-forward date-regexp nil t)
2711 (delete-region (progn (beginning-of-line) (point))
2712 (progn (gnus-article-forward-header)
2714 (delete-region (progn (beginning-of-line) (point))
2715 (progn (gnus-article-forward-header)
2718 (setq pos (point))))
2719 (when (and (not pos)
2720 (re-search-forward tdate-regexp nil t))
2724 (insert (article-make-date-line date (or type 'ut)))
2730 (when (looking-at "\\([^:]+\\): *\\(.*\\)$")
2731 (put-text-property (match-beginning 1) (1+ (match-end 1))
2732 'original-date date)
2733 (put-text-property (match-beginning 1) (1+ (match-end 1))
2735 (put-text-property (match-beginning 2) (match-end 2)
2738 (defun article-make-date-line (date type)
2739 "Return a DATE line of TYPE."
2740 (unless (memq type '(local ut original user iso8601 lapsed english))
2741 (error "Unknown conversion type: %s" type))
2743 (let ((time (date-to-time date)))
2745 ;; Convert to the local timezone.
2747 (let ((tz (car (current-time-zone time))))
2748 (format "Date: %s %s%02d%02d" (current-time-string time)
2749 (if (> tz 0) "+" "-") (/ (abs tz) 3600)
2750 (/ (% (abs tz) 3600) 60))))
2751 ;; Convert to Universal Time.
2754 (current-time-string
2755 (let* ((e (parse-time-string date))
2756 (tm (apply 'encode-time e))
2758 (ls (- (cadr tm) (car (current-time-zone time)))))
2759 (cond ((< ls 0) (list (1- ms) (+ ls 65536)))
2760 ((> ls 65535) (list (1+ ms) (- ls 65536)))
2763 ;; Get the original date from the article.
2764 ((eq type 'original)
2765 (concat "Date: " (if (string-match "\n+$" date)
2766 (substring date 0 (match-beginning 0))
2768 ;; Let the user define the format.
2770 (let ((format (or (condition-case nil
2771 (with-current-buffer gnus-summary-buffer
2772 gnus-article-time-format)
2774 gnus-article-time-format)))
2775 (if (gnus-functionp format)
2776 (funcall format time)
2777 (concat "Date: " (format-time-string format time)))))
2780 (let ((tz (car (current-time-zone time))))
2783 (format-time-string "%Y%m%dT%H%M%S" time)
2784 (format "%s%02d%02d"
2785 (if (> tz 0) "+" "-") (/ (abs tz) 3600)
2786 (/ (% (abs tz) 3600) 60)))))
2787 ;; Do an X-Sent lapsed format.
2789 ;; If the date is seriously mangled, the timezone functions are
2790 ;; liable to bug out, so we ignore all errors.
2791 (let* ((now (current-time))
2792 (real-time (subtract-time now time))
2793 (real-sec (and real-time
2794 (+ (* (float (car real-time)) 65536)
2796 (sec (and real-time (abs real-sec)))
2806 ;; This is a bit convoluted, but basically we go
2807 ;; through the time units for years, weeks, etc,
2808 ;; and divide things to see whether that results
2809 ;; in positive answers.
2812 (if (zerop (setq num (ffloor (/ sec (cdr unit)))))
2813 ;; The (remaining) seconds are too few to
2814 ;; be divided into this time unit.
2816 ;; It's big enough, so we output it.
2817 (setq sec (- sec (* num (cdr unit))))
2819 (concat (if prev ", " "") (int-to-string
2821 " " (symbol-name (car unit))
2822 (if (> num 1) "s" ""))
2824 article-time-units "")
2825 ;; If dates are odd, then it might appear like the
2826 ;; article was sent in the future.
2829 " in the future"))))))
2830 ;; Display the date in proper English
2832 (let ((dtime (decode-time time)))
2835 (number-to-string (nth 3 dtime))
2836 (let ((digit (% (nth 3 dtime) 10)))
2838 ((memq (nth 3 dtime) '(11 12 13)) "th")
2844 (nth (1- (nth 4 dtime)) gnus-english-month-names)
2846 (number-to-string (nth 5 dtime))
2848 (format "%02d" (nth 2 dtime))
2850 (format "%02d" (nth 1 dtime)))))))
2852 (format "Date: %s (from Gnus)" date))))
2854 (defun article-date-local (&optional highlight)
2855 "Convert the current article date to the local timezone."
2856 (interactive (list t))
2857 (article-date-ut 'local highlight))
2859 (defun article-date-english (&optional highlight)
2860 "Convert the current article date to something that is proper English."
2861 (interactive (list t))
2862 (article-date-ut 'english highlight))
2864 (defun article-date-original (&optional highlight)
2865 "Convert the current article date to what it was originally.
2866 This is only useful if you have used some other date conversion
2867 function and want to see what the date was before converting."
2868 (interactive (list t))
2869 (article-date-ut 'original highlight))
2871 (defun article-date-lapsed (&optional highlight)
2872 "Convert the current article date to time lapsed since it was sent."
2873 (interactive (list t))
2874 (article-date-ut 'lapsed highlight))
2876 (defun article-update-date-lapsed ()
2877 "Function to be run from a timer to update the lapsed time line."
2878 (let (deactivate-mark)
2883 (set-buffer (window-buffer w))
2884 (when (eq major-mode 'gnus-article-mode)
2885 (goto-char (point-min))
2886 (when (re-search-forward "^X-Sent:" nil t)
2887 (article-date-lapsed t))))
2890 (defun gnus-start-date-timer (&optional n)
2891 "Start a timer to update the X-Sent header in the article buffers.
2892 The numerical prefix says how frequently (in seconds) the function
2897 (gnus-stop-date-timer)
2898 (setq article-lapsed-timer
2899 (nnheader-run-at-time 1 n 'article-update-date-lapsed)))
2901 (defun gnus-stop-date-timer ()
2902 "Stop the X-Sent timer."
2904 (when article-lapsed-timer
2905 (nnheader-cancel-timer article-lapsed-timer)
2906 (setq article-lapsed-timer nil)))
2908 (defun article-date-user (&optional highlight)
2909 "Convert the current article date to the user-defined format.
2910 This format is defined by the `gnus-article-time-format' variable."
2911 (interactive (list t))
2912 (article-date-ut 'user highlight))
2914 (defun article-date-iso8601 (&optional highlight)
2915 "Convert the current article date to ISO8601."
2916 (interactive (list t))
2917 (article-date-ut 'iso8601 highlight))
2919 ;; (defun article-show-all ()
2920 ;; "Show all hidden text in the article buffer."
2923 ;; (let ((buffer-read-only nil))
2924 ;; (gnus-article-unhide-text (point-min) (point-max)))))
2926 (defun article-remove-leading-whitespace ()
2927 "Remove excessive whitespace from all headers."
2931 (let ((buffer-read-only nil))
2932 (article-narrow-to-head)
2933 (goto-char (point-min))
2934 (while (re-search-forward "^[^ :]+: \\([ \t]+\\)" nil t)
2935 (delete-region (match-beginning 1) (match-end 1)))))))
2937 (defun article-emphasize (&optional arg)
2938 "Emphasize text according to `gnus-emphasis-alist'."
2939 (interactive (gnus-article-hidden-arg))
2940 (unless (gnus-article-check-hidden-text 'emphasis arg)
2944 (with-current-buffer gnus-summary-buffer
2945 gnus-article-emphasis-alist)
2947 gnus-emphasis-alist))
2948 (buffer-read-only nil)
2949 (props (append '(article-type emphasis)
2950 gnus-hidden-properties))
2951 regexp elem beg invisible visible face)
2954 (while (setq elem (pop alist))
2956 (setq regexp (car elem)
2957 invisible (nth 1 elem)
2958 visible (nth 2 elem)
2960 (while (re-search-forward regexp nil t)
2961 (when (and (match-beginning visible) (match-beginning invisible))
2962 (gnus-article-hide-text
2963 (match-beginning invisible) (match-end invisible) props)
2964 (gnus-article-unhide-text-type
2965 (match-beginning visible) (match-end visible) 'emphasis)
2966 (gnus-put-overlay-excluding-newlines
2967 (match-beginning visible) (match-end visible) 'face face)
2968 (gnus-add-wash-type 'emphasis)
2969 (goto-char (match-end invisible)))))))))
2971 (defun gnus-article-setup-highlight-words (&optional highlight-words)
2972 "Setup newsgroup emphasis alist."
2973 (unless gnus-article-emphasis-alist
2974 (let ((name (and gnus-newsgroup-name
2975 (gnus-group-real-name gnus-newsgroup-name))))
2976 (make-local-variable 'gnus-article-emphasis-alist)
2977 (setq gnus-article-emphasis-alist
2979 (let ((alist gnus-group-highlight-words-alist) elem highlight)
2980 (while (setq elem (pop alist))
2981 (when (and name (string-match (car elem) name))
2983 highlight (copy-sequence (cdr elem)))))
2985 (copy-sequence highlight-words)
2986 (if gnus-newsgroup-name
2987 (copy-sequence (gnus-group-find-parameter
2988 gnus-newsgroup-name 'highlight-words t)))
2989 gnus-emphasis-alist)))))
2992 (defvar gnus-summary-article-menu)
2993 (defvar gnus-summary-post-menu))
2995 ;;; Saving functions.
2997 (defun gnus-article-save (save-buffer file &optional num)
2998 "Save the currently selected article."
2999 (unless gnus-save-all-headers
3000 ;; Remove headers according to `gnus-saved-headers'.
3001 (let ((gnus-visible-headers
3002 (or gnus-saved-headers gnus-visible-headers))
3003 (gnus-article-buffer save-buffer))
3005 (set-buffer save-buffer)
3006 (article-hide-headers 1 t))))
3007 (save-window-excursion
3008 (if (not gnus-default-article-saver)
3009 (error "No default saver is defined")
3010 ;; !!! Magic! The saving functions all save
3011 ;; `gnus-save-article-buffer' (or so they think), but we
3012 ;; bind that variable to our save-buffer.
3013 (set-buffer gnus-article-buffer)
3014 (let* ((gnus-save-article-buffer save-buffer)
3017 ((not gnus-prompt-before-saving) 'default)
3018 ((eq gnus-prompt-before-saving 'always) nil)
3020 (gnus-number-of-articles-to-be-saved
3021 (when (eq gnus-prompt-before-saving t)
3023 (set-buffer gnus-article-current-summary)
3024 (funcall gnus-default-article-saver filename)))))
3026 (defun gnus-read-save-file-name (prompt &optional filename
3027 function group headers variable)
3029 (funcall function group headers (symbol-value variable)))
3034 ((eq filename 'default)
3040 (let* ((split-name (gnus-get-split-value gnus-split-methods))
3043 (if (and gnus-number-of-articles-to-be-saved
3044 (> gnus-number-of-articles-to-be-saved 1))
3045 (format "these %d articles"
3046 gnus-number-of-articles-to-be-saved)
3049 ;; Let the split methods have their say.
3051 ;; No split name was found.
3054 (concat prompt " (default "
3055 (file-name-nondirectory default-name) ") ")
3056 (file-name-directory default-name)
3058 ;; A single group name is returned.
3059 ((stringp split-name)
3061 (funcall function split-name headers
3062 (symbol-value variable)))
3064 (concat prompt " (default "
3065 (file-name-nondirectory default-name) ") ")
3066 (file-name-directory default-name)
3068 ;; A single split name was found
3069 ((= 1 (length split-name))
3070 (let* ((name (expand-file-name
3072 gnus-article-save-directory))
3073 (dir (cond ((file-directory-p name)
3074 (file-name-as-directory name))
3075 ((file-exists-p name) name)
3076 (t gnus-article-save-directory))))
3078 (concat prompt " (default " name ") ")
3080 ;; A list of splits was found.
3082 (setq split-name (nreverse split-name))
3084 (let ((file-name-history
3085 (nconc split-name file-name-history)))
3089 (concat prompt " (`M-p' for defaults) ")
3090 gnus-article-save-directory
3092 gnus-article-save-directory)))
3093 (car (push result file-name-history)))))))
3094 ;; Create the directory.
3095 (gnus-make-directory (file-name-directory file))
3096 ;; If we have read a directory, we append the default file name.
3097 (when (file-directory-p file)
3098 (setq file (expand-file-name (file-name-nondirectory
3100 (file-name-as-directory file))))
3101 ;; Possibly translate some characters.
3102 (nnheader-translate-file-chars file))))))
3103 (gnus-make-directory (file-name-directory result))
3104 (set variable result)))
3106 (defun gnus-article-archive-name (group)
3107 "Return the first instance of an \"Archive-name\" in the current buffer."
3108 (let ((case-fold-search t))
3109 (when (re-search-forward "archive-name: *\\([^ \n\t]+\\)[ \t]*$" nil t)
3110 (nnheader-concat gnus-article-save-directory
3111 (match-string 1)))))
3113 (defun gnus-article-nndoc-name (group)
3114 "If GROUP is an nndoc group, return the name of the parent group."
3115 (when (eq (car (gnus-find-method-for-group group)) 'nndoc)
3116 (gnus-group-get-parameter group 'save-article-group)))
3118 (defun gnus-summary-save-in-rmail (&optional filename)
3119 "Append this article to Rmail file.
3120 Optional argument FILENAME specifies file name.
3121 Directory to save to is default to `gnus-article-save-directory'."
3122 (setq filename (gnus-read-save-file-name
3123 "Save %s in rmail file:" filename
3124 gnus-rmail-save-name gnus-newsgroup-name
3125 gnus-current-headers 'gnus-newsgroup-last-rmail))
3126 (gnus-eval-in-buffer-window gnus-save-article-buffer
3130 (gnus-output-to-rmail filename))))
3133 (defun gnus-summary-save-in-mail (&optional filename)
3134 "Append this article to Unix mail file.
3135 Optional argument FILENAME specifies file name.
3136 Directory to save to is default to `gnus-article-save-directory'."
3137 (setq filename (gnus-read-save-file-name
3138 "Save %s in Unix mail file:" filename
3139 gnus-mail-save-name gnus-newsgroup-name
3140 gnus-current-headers 'gnus-newsgroup-last-mail))
3141 (gnus-eval-in-buffer-window gnus-save-article-buffer
3145 (if (and (file-readable-p filename)
3146 (file-regular-p filename)
3147 (mail-file-babyl-p filename))
3148 (rmail-output-to-rmail-file filename t)
3149 (gnus-output-to-mail filename)))))
3152 (defun gnus-summary-save-in-file (&optional filename overwrite)
3153 "Append this article to file.
3154 Optional argument FILENAME specifies file name.
3155 Directory to save to is default to `gnus-article-save-directory'."
3156 (setq filename (gnus-read-save-file-name
3157 "Save %s in file:" filename
3158 gnus-file-save-name gnus-newsgroup-name
3159 gnus-current-headers 'gnus-newsgroup-last-file))
3160 (gnus-eval-in-buffer-window gnus-save-article-buffer
3164 (when (and overwrite
3165 (file-exists-p filename))
3166 (delete-file filename))
3167 (gnus-output-to-file filename))))
3170 (defun gnus-summary-write-to-file (&optional filename)
3171 "Write this article to a file, overwriting it if the file exists.
3172 Optional argument FILENAME specifies file name.
3173 The directory to save in defaults to `gnus-article-save-directory'."
3174 (gnus-summary-save-in-file nil t))
3176 (defun gnus-summary-save-body-in-file (&optional filename)
3177 "Append this article body to a file.
3178 Optional argument FILENAME specifies file name.
3179 The directory to save in defaults to `gnus-article-save-directory'."
3180 (setq filename (gnus-read-save-file-name
3181 "Save %s body in file:" filename
3182 gnus-file-save-name gnus-newsgroup-name
3183 gnus-current-headers 'gnus-newsgroup-last-file))
3184 (gnus-eval-in-buffer-window gnus-save-article-buffer
3188 (when (article-goto-body)
3189 (narrow-to-region (point) (point-max)))
3190 (gnus-output-to-file filename))))
3193 (defun gnus-summary-save-in-pipe (&optional command)
3194 "Pipe this article to subprocess."
3196 (cond ((and (eq command 'default)
3197 gnus-last-shell-command)
3198 gnus-last-shell-command)
3203 "Shell command on %s: "
3204 (if (and gnus-number-of-articles-to-be-saved
3205 (> gnus-number-of-articles-to-be-saved 1))
3206 (format "these %d articles"
3207 gnus-number-of-articles-to-be-saved)
3209 gnus-last-shell-command))))
3210 (when (string-equal command "")
3211 (if gnus-last-shell-command
3212 (setq command gnus-last-shell-command)
3213 (error "A command is required")))
3214 (gnus-eval-in-buffer-window gnus-article-buffer
3217 (shell-command-on-region (point-min) (point-max) command nil)))
3218 (setq gnus-last-shell-command command))
3220 (defun gnus-summary-pipe-to-muttprint (&optional command)
3221 "Pipe this article to muttprint."
3222 (setq command (read-string
3223 "Print using command: " gnus-summary-muttprint-program
3224 nil gnus-summary-muttprint-program))
3225 (gnus-summary-save-in-pipe command))
3227 ;;; Article file names when saving.
3229 (defun gnus-capitalize-newsgroup (newsgroup)
3230 "Capitalize NEWSGROUP name."
3231 (when (not (zerop (length newsgroup)))
3232 (concat (char-to-string (upcase (aref newsgroup 0)))
3233 (substring newsgroup 1))))
3235 (defun gnus-Numeric-save-name (newsgroup headers &optional last-file)
3236 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3237 If variable `gnus-use-long-file-name' is non-nil, it is ~/News/News.group/num.
3238 Otherwise, it is like ~/News/news/group/num."
3241 (concat (if (gnus-use-long-file-name 'not-save)
3242 (gnus-capitalize-newsgroup newsgroup)
3243 (gnus-newsgroup-directory-form newsgroup))
3244 "/" (int-to-string (mail-header-number headers)))
3245 gnus-article-save-directory)))
3247 (string-equal (file-name-directory default)
3248 (file-name-directory last-file))
3249 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
3251 (or last-file default))))
3253 (defun gnus-numeric-save-name (newsgroup headers &optional last-file)
3254 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3255 If variable `gnus-use-long-file-name' is non-nil, it is
3256 ~/News/news.group/num. Otherwise, it is like ~/News/news/group/num."
3259 (concat (if (gnus-use-long-file-name 'not-save)
3261 (gnus-newsgroup-directory-form newsgroup))
3262 "/" (int-to-string (mail-header-number headers)))
3263 gnus-article-save-directory)))
3265 (string-equal (file-name-directory default)
3266 (file-name-directory last-file))
3267 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
3269 (or last-file default))))
3271 (defun gnus-plain-save-name (newsgroup headers &optional last-file)
3272 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3273 If variable `gnus-use-long-file-name' is non-nil, it is
3274 ~/News/news.group. Otherwise, it is like ~/News/news/group/news."
3277 (if (gnus-use-long-file-name 'not-save)
3280 (expand-file-name "news" (gnus-newsgroup-directory-form newsgroup))
3282 gnus-article-save-directory)))
3284 (defun gnus-sender-save-name (newsgroup headers &optional last-file)
3285 "Generate file name from sender."
3286 (let ((from (mail-header-from headers)))
3288 (if (and from (string-match "\\([^ <]+\\)@" from))
3289 (match-string 1 from)
3291 gnus-article-save-directory)))
3293 (defun article-verify-x-pgp-sig ()
3296 (if (gnus-buffer-live-p gnus-original-article-buffer)
3297 (let ((sig (with-current-buffer gnus-original-article-buffer
3298 (gnus-fetch-field "X-PGP-Sig")))
3302 (mml2015-clear-verify-function))
3304 (insert-buffer gnus-original-article-buffer)
3305 (setq items (split-string sig))
3306 (message-narrow-to-head)
3307 (let ((inhibit-point-motion-hooks t)
3308 (case-fold-search t))
3309 ;; Don't verify multiple headers.
3310 (setq headers (mapconcat (lambda (header)
3312 (mail-fetch-field header) "\n"))
3313 (split-string (nth 1 items) ",") "")))
3314 (delete-region (point-min) (point-max))
3315 (insert "-----BEGIN PGP SIGNED MESSAGE-----\n\n")
3316 (insert "X-Signed-Headers: " (nth 1 items) "\n")
3321 (if (looking-at "^-")
3324 (insert "\n-----BEGIN PGP SIGNATURE-----\n")
3325 (insert "Version: " (car items) "\n\n")
3326 (insert (mapconcat 'identity (cddr items) "\n"))
3327 (insert "\n-----END PGP SIGNATURE-----\n")
3328 (let ((mm-security-handle (list (format "multipart/signed"))))
3329 (mml2015-clean-buffer)
3330 (let ((coding-system-for-write (or gnus-newsgroup-charset
3332 (funcall (mml2015-clear-verify-function)))
3334 (or (mm-handle-multipart-ctl-parameter
3335 mm-security-handle 'gnus-details)
3336 (mm-handle-multipart-ctl-parameter
3337 mm-security-handle 'gnus-info)))))
3339 (let (buffer-read-only bface eface)
3341 (message-narrow-to-head)
3342 (goto-char (point-max))
3344 (setq bface (get-text-property (gnus-point-at-bol) 'face)
3345 eface (get-text-property (1- (gnus-point-at-eol)) 'face))
3346 (message-remove-header "X-Gnus-PGP-Verify")
3347 (if (re-search-forward "^X-PGP-Sig:" nil t)
3349 (goto-char (point-max)))
3350 (narrow-to-region (point) (point))
3351 (insert "X-Gnus-PGP-Verify: " info "\n")
3352 (goto-char (point-min))
3355 (if (not (looking-at "^[ \t]"))
3359 (goto-char (point-min))
3360 (when (looking-at "\\([^:]+\\): *")
3361 (put-text-property (match-beginning 1) (1+ (match-end 1))
3363 (put-text-property (match-end 0) (point-max)
3364 'face eface)))))))))
3366 (defun article-verify-cancel-lock ()
3367 "Verify Cancel-Lock header."
3369 (if (gnus-buffer-live-p gnus-original-article-buffer)
3370 (canlock-verify gnus-original-article-buffer)))
3377 (setq afunc (car func)
3380 gfunc (intern (format "gnus-%s" func))))
3382 (when (fboundp afunc)
3383 `(lambda (&optional interactive &rest args)
3384 ,(documentation afunc t)
3385 (interactive (list t))
3387 (set-buffer gnus-article-buffer)
3389 (call-interactively ',afunc)
3390 (apply ',afunc args))))))))
3391 '(article-hide-headers
3392 article-verify-x-pgp-sig
3393 article-verify-cancel-lock
3394 article-hide-boring-headers
3395 article-treat-overstrike
3396 article-fill-long-lines
3397 article-capitalize-sentences
3399 article-remove-leading-whitespace
3400 article-display-x-face
3401 article-display-face
3402 article-de-quoted-unreadable
3403 article-de-base64-unreadable
3406 article-unsplit-urls
3407 article-hide-list-identifiers
3408 article-strip-banner
3411 article-hide-signature
3412 article-strip-headers-in-body
3413 article-remove-trailing-blank-lines
3414 article-strip-leading-blank-lines
3415 article-strip-multiple-blank-lines
3416 article-strip-leading-space
3417 article-strip-trailing-space
3418 article-strip-blank-lines
3419 article-strip-all-blank-lines
3421 article-date-english
3422 article-date-iso8601
3423 article-date-original
3425 article-decode-mime-words
3426 article-decode-charset
3427 article-decode-encoded-words
3431 article-treat-dumbquotes
3432 article-normalize-headers
3433 ;; (article-show-all . gnus-article-show-all-headers)
3437 ;;; Gnus article mode
3440 (put 'gnus-article-mode 'mode-class 'special)
3442 (set-keymap-parent gnus-article-mode-map widget-keymap)
3444 (gnus-define-keys gnus-article-mode-map
3445 " " gnus-article-goto-next-page
3446 "\177" gnus-article-goto-prev-page
3447 [delete] gnus-article-goto-prev-page
3448 [backspace] gnus-article-goto-prev-page
3449 "\C-c^" gnus-article-refer-article
3450 "h" gnus-article-show-summary
3451 "s" gnus-article-show-summary
3452 "\C-c\C-m" gnus-article-mail
3453 "?" gnus-article-describe-briefly
3454 "e" gnus-summary-edit-article
3455 "<" beginning-of-buffer
3457 "\C-c\C-i" gnus-info-find-node
3459 "R" gnus-article-reply-with-original
3460 "F" gnus-article-followup-with-original
3461 "\C-hk" gnus-article-describe-key
3462 "\C-hc" gnus-article-describe-key-briefly
3464 "\C-d" gnus-article-read-summary-keys
3465 "\M-*" gnus-article-read-summary-keys
3466 "\M-#" gnus-article-read-summary-keys
3467 "\M-^" gnus-article-read-summary-keys
3468 "\M-g" gnus-article-read-summary-keys)
3470 (substitute-key-definition
3471 'undefined 'gnus-article-read-summary-keys gnus-article-mode-map)
3473 (defun gnus-article-make-menu-bar ()
3474 (unless (boundp 'gnus-article-commands-menu)
3475 (gnus-summary-make-menu-bar))
3476 (gnus-turn-off-edit-menu 'article)
3477 (unless (boundp 'gnus-article-article-menu)
3479 gnus-article-article-menu gnus-article-mode-map ""
3481 ["Scroll forwards" gnus-article-goto-next-page t]
3482 ["Scroll backwards" gnus-article-goto-prev-page t]
3483 ["Show summary" gnus-article-show-summary t]
3484 ["Fetch Message-ID at point" gnus-article-refer-article t]
3485 ["Mail to address at point" gnus-article-mail t]
3486 ["Send a bug report" gnus-bug t]))
3489 gnus-article-treatment-menu gnus-article-mode-map ""
3490 ;; Fixme: this should use :active (and maybe :visible).
3492 ["Hide headers" gnus-article-hide-headers t]
3493 ["Hide signature" gnus-article-hide-signature t]
3494 ["Hide citation" gnus-article-hide-citation t]
3495 ["Treat overstrike" gnus-article-treat-overstrike t]
3496 ["Remove carriage return" gnus-article-remove-cr t]
3497 ["Remove leading whitespace" gnus-article-remove-leading-whitespace t]
3498 ["Remove quoted-unreadable" gnus-article-de-quoted-unreadable t]
3499 ["Remove base64" gnus-article-de-base64-unreadable t]
3500 ["Treat html" gnus-article-wash-html t]
3501 ["Remove newlines from within URLs" gnus-article-unsplit-urls t]
3502 ["Decode HZ" gnus-article-decode-HZ t]))
3504 ;; Note "Commands" menu is defined in gnus-sum.el for consistency
3506 ;; Note "Post" menu is defined in gnus-sum.el for consistency
3508 (gnus-run-hooks 'gnus-article-menu-hook)))
3510 (defun gnus-article-mode ()
3511 "Major mode for displaying an article.
3513 All normal editing commands are switched off.
3515 The following commands are available in addition to all summary mode
3517 \\<gnus-article-mode-map>
3518 \\[gnus-article-next-page]\t Scroll the article one page forwards
3519 \\[gnus-article-prev-page]\t Scroll the article one page backwards
3520 \\[gnus-article-refer-article]\t Go to the article referred to by an article id near point
3521 \\[gnus-article-show-summary]\t Display the summary buffer
3522 \\[gnus-article-mail]\t Send a reply to the address near point
3523 \\[gnus-article-describe-briefly]\t Describe the current mode briefly
3524 \\[gnus-info-find-node]\t Go to the Gnus info node"
3526 (gnus-simplify-mode-line)
3527 (setq mode-name "Article")
3528 (setq major-mode 'gnus-article-mode)
3529 (make-local-variable 'minor-mode-alist)
3530 (use-local-map gnus-article-mode-map)
3531 (when (gnus-visual-p 'article-menu 'menu)
3532 (gnus-article-make-menu-bar)
3533 (when gnus-summary-tool-bar-map
3534 (set (make-local-variable 'tool-bar-map) gnus-summary-tool-bar-map)))
3535 (gnus-update-format-specifications nil 'article-mode)
3536 (set (make-local-variable 'page-delimiter) gnus-page-delimiter)
3537 (make-local-variable 'gnus-page-broken)
3538 (make-local-variable 'gnus-button-marker-list)
3539 (make-local-variable 'gnus-article-current-summary)
3540 (make-local-variable 'gnus-article-mime-handles)
3541 (make-local-variable 'gnus-article-decoded-p)
3542 (make-local-variable 'gnus-article-mime-handle-alist)
3543 (make-local-variable 'gnus-article-wash-types)
3544 (make-local-variable 'gnus-article-image-alist)
3545 (make-local-variable 'gnus-article-charset)
3546 (make-local-variable 'gnus-article-ignored-charsets)
3547 (gnus-set-default-directory)
3548 (buffer-disable-undo)
3549 (setq buffer-read-only t)
3550 (set-syntax-table gnus-article-mode-syntax-table)
3551 (mm-enable-multibyte)
3552 (gnus-run-hooks 'gnus-article-mode-hook))
3554 (defun gnus-article-setup-buffer ()
3555 "Initialize the article buffer."
3556 (let* ((name (if gnus-single-article-buffer "*Article*"
3557 (concat "*Article " gnus-newsgroup-name "*")))
3559 (progn (string-match "\\*Article" name)
3560 (concat " *Original Article"
3561 (substring name (match-end 0))))))
3562 (setq gnus-article-buffer name)
3563 (setq gnus-original-article-buffer original)
3564 (setq gnus-article-mime-handle-alist nil)
3565 ;; This might be a variable local to the summary buffer.
3566 (unless gnus-single-article-buffer
3568 (set-buffer gnus-summary-buffer)
3569 (setq gnus-article-buffer name)
3570 (setq gnus-original-article-buffer original)
3571 (gnus-set-global-variables)))
3572 (gnus-article-setup-highlight-words)
3573 ;; Init original article buffer.
3575 (set-buffer (gnus-get-buffer-create gnus-original-article-buffer))
3576 (mm-enable-multibyte)
3577 (setq major-mode 'gnus-original-article-mode)
3578 (make-local-variable 'gnus-original-article))
3579 (if (get-buffer name)
3582 (when (and gnus-article-edit-mode
3585 (y-or-n-p "Article mode edit in progress; discard? ")))
3586 (error "Action aborted"))
3587 (set (make-local-variable 'gnus-article-edit-mode) nil)
3588 (when gnus-article-mime-handles
3589 (mm-destroy-parts gnus-article-mime-handles)
3590 (setq gnus-article-mime-handles nil))
3591 ;; Set it to nil in article-buffer!
3592 (setq gnus-article-mime-handle-alist nil)
3593 (buffer-disable-undo)
3594 (setq buffer-read-only t)
3595 ;; This list just keeps growing if we don't reset it.
3596 (setq gnus-button-marker-list nil)
3597 (unless (eq major-mode 'gnus-article-mode)
3598 (gnus-article-mode))
3601 (set-buffer (gnus-get-buffer-create name))
3603 (make-local-variable 'gnus-summary-buffer)
3604 (gnus-summary-set-local-parameters gnus-newsgroup-name)
3605 (current-buffer)))))
3607 ;; Set article window start at LINE, where LINE is the number of lines
3608 ;; from the head of the article.
3609 (defun gnus-article-set-window-start (&optional line)
3611 (gnus-get-buffer-window gnus-article-buffer t)
3613 (set-buffer gnus-article-buffer)
3614 (goto-char (point-min))
3617 (gnus-message 6 "Moved to bookmark")
3618 (search-forward "\n\n" nil t)
3622 (defun gnus-article-prepare (article &optional all-headers header)
3623 "Prepare ARTICLE in article mode buffer.
3624 ARTICLE should either be an article number or a Message-ID.
3625 If ARTICLE is an id, HEADER should be the article headers.
3626 If ALL-HEADERS is non-nil, no headers are hidden."
3628 ;; Make sure we start in a summary buffer.
3629 (unless (eq major-mode 'gnus-summary-mode)
3630 (set-buffer gnus-summary-buffer))
3631 (setq gnus-summary-buffer (current-buffer))
3632 (let* ((gnus-article (if header (mail-header-number header) article))
3633 (summary-buffer (current-buffer))
3634 (gnus-tmp-internal-hook gnus-article-internal-prepare-hook)
3635 (group gnus-newsgroup-name)
3638 (gnus-article-setup-buffer)
3639 (set-buffer gnus-article-buffer)
3640 ;; Deactivate active regions.
3641 (when (and (boundp 'transient-mark-mode)
3642 transient-mark-mode)
3643 (setq mark-active nil))
3644 (if (not (setq result (let ((buffer-read-only nil))
3645 (gnus-request-article-this-buffer
3647 ;; There is no such article.
3649 (when (and (numberp article)
3650 (not (memq article gnus-newsgroup-sparse)))
3651 (setq gnus-article-current
3652 (cons gnus-newsgroup-name article))
3653 (set-buffer gnus-summary-buffer)
3654 (setq gnus-current-article article)
3655 (if (and (memq article gnus-newsgroup-undownloaded)
3656 (not (gnus-online (gnus-find-method-for-group
3657 gnus-newsgroup-name))))
3659 (gnus-summary-set-agent-mark article)
3660 (message "Message marked for downloading"))
3661 (gnus-summary-mark-article article gnus-canceled-mark)
3662 (unless (memq article gnus-newsgroup-sparse)
3663 (gnus-error 1 "No such article (may have expired or been canceled)")))))
3664 (if (or (eq result 'pseudo)
3665 (eq result 'nneething))
3668 (set-buffer summary-buffer)
3669 (push article gnus-newsgroup-history)
3670 (setq gnus-last-article gnus-current-article
3671 gnus-current-article 0
3672 gnus-current-headers nil
3673 gnus-article-current nil)
3674 (if (eq result 'nneething)
3675 (gnus-configure-windows 'summary)
3676 (gnus-configure-windows 'article))
3677 (gnus-set-global-variables))
3678 (let ((gnus-article-mime-handle-alist-1
3679 gnus-article-mime-handle-alist))
3680 (gnus-set-mode-line 'article)))
3681 ;; The result from the `request' was an actual article -
3682 ;; or at least some text that is now displayed in the
3684 (when (and (numberp article)
3685 (not (eq article gnus-current-article)))
3686 ;; Seems like a new article has been selected.
3687 ;; `gnus-current-article' must be an article number.
3689 (set-buffer summary-buffer)
3690 (push article gnus-newsgroup-history)
3691 (setq gnus-last-article gnus-current-article
3692 gnus-current-article article
3693 gnus-current-headers
3694 (gnus-summary-article-header gnus-current-article)
3695 gnus-article-current
3696 (cons gnus-newsgroup-name gnus-current-article))
3697 (unless (vectorp gnus-current-headers)
3698 (setq gnus-current-headers nil))
3699 (gnus-summary-goto-subject gnus-current-article)
3700 (when (gnus-summary-show-thread)
3701 ;; If the summary buffer really was folded, the
3702 ;; previous goto may not actually have gone to
3703 ;; the right article, but the thread root instead.
3705 (gnus-summary-goto-subject gnus-current-article))
3706 (gnus-run-hooks 'gnus-mark-article-hook)
3707 (gnus-set-mode-line 'summary)
3708 (when (gnus-visual-p 'article-highlight 'highlight)
3709 (gnus-run-hooks 'gnus-visual-mark-article-hook))
3710 ;; Set the global newsgroup variables here.
3711 (gnus-set-global-variables)
3712 (setq gnus-have-all-headers
3713 (or all-headers gnus-show-all-headers))))
3715 (gnus-configure-windows 'article))
3716 (when (or (numberp article)
3718 (gnus-article-prepare-display)
3720 (goto-char (point-min))
3721 (setq gnus-page-broken
3722 (when gnus-break-pages
3723 (gnus-narrow-to-page)
3725 (let ((gnus-article-mime-handle-alist-1
3726 gnus-article-mime-handle-alist))
3727 (gnus-set-mode-line 'article))
3731 (set-window-point (get-buffer-window (current-buffer)) (point))
3732 (gnus-configure-windows 'article)
3736 (defun gnus-article-prepare-display ()
3737 "Make the current buffer look like a nice article."
3738 ;; Hooks for getting information from the article.
3739 ;; This hook must be called before being narrowed.
3740 (let ((gnus-article-buffer (current-buffer))
3742 (unless (eq major-mode 'gnus-article-mode)
3743 (gnus-article-mode))
3744 (setq buffer-read-only nil
3745 gnus-article-wash-types nil
3746 gnus-article-image-alist nil)
3747 (gnus-run-hooks 'gnus-tmp-internal-hook)
3748 (when gnus-display-mime-function
3749 (funcall gnus-display-mime-function))
3750 (gnus-run-hooks 'gnus-article-prepare-hook)))
3753 ;;; Gnus MIME viewing functions
3756 (defvar gnus-mime-button-line-format "%{%([%p. %d%T]%)%}%e\n"
3757 "Format of the MIME buttons.
3759 Valid specifiers include:
3761 %T MIME type, along with additional info
3762 %n The `name' parameter
3763 %d The description, if any
3764 %l The length of the encoded part
3765 %p The part identifier number
3766 %e Dots if the part isn't displayed
3768 General format specifiers can also be used. See Info node
3769 `(gnus)Formatting Variables'.")
3771 (defvar gnus-mime-button-line-format-alist
3772 '((?t gnus-tmp-type ?s)
3773 (?T gnus-tmp-type-long ?s)
3774 (?n gnus-tmp-name ?s)
3775 (?d gnus-tmp-description ?s)
3777 (?l gnus-tmp-length ?d)
3778 (?e gnus-tmp-dots ?s)))
3780 (defvar gnus-mime-button-commands
3781 '((gnus-article-press-button "\r" "Toggle Display")
3782 (gnus-mime-view-part "v" "View Interactively...")
3783 (gnus-mime-view-part-as-type "t" "View As Type...")
3784 (gnus-mime-view-part-as-charset "C" "View As charset...")
3785 (gnus-mime-save-part "o" "Save...")
3786 (gnus-mime-save-part-and-strip "\C-o" "Save and Strip")
3787 (gnus-mime-delete-part "d" "Delete part")
3788 (gnus-mime-copy-part "c" "View As Text, In Other Buffer")
3789 (gnus-mime-inline-part "i" "View As Text, In This Buffer")
3790 (gnus-mime-view-part-internally "E" "View Internally")
3791 (gnus-mime-view-part-externally "e" "View Externally")
3792 (gnus-mime-print-part "p" "Print")
3793 (gnus-mime-pipe-part "|" "Pipe To Command...")
3794 (gnus-mime-action-on-part "." "Take action on the part...")))
3796 (defun gnus-article-mime-part-status ()
3797 (if gnus-article-mime-handle-alist-1
3798 (if (eq 1 (length gnus-article-mime-handle-alist-1))
3800 (format " (%d parts)" (length gnus-article-mime-handle-alist-1)))
3803 (defvar gnus-mime-button-map
3804 (let ((map (make-sparse-keymap)))
3805 (unless (>= (string-to-number emacs-version) 21)
3806 ;; XEmacs doesn't care.
3807 (set-keymap-parent map gnus-article-mode-map))
3808 (define-key map gnus-mouse-2 'gnus-article-push-button)
3809 (define-key map gnus-down-mouse-3 'gnus-mime-button-menu)
3810 (dolist (c gnus-mime-button-commands)
3811 (define-key map (cadr c) (car c)))
3814 (easy-menu-define gnus-mime-button-menu gnus-mime-button-map "MIME button menu."
3816 ,@(mapcar (lambda (c)
3817 (vector (caddr c) (car c) :enable t)) gnus-mime-button-commands)))
3820 (define-compiler-macro popup-menu (&whole form
3821 menu &optional position prefix)
3822 (if (and (fboundp 'popup-menu)
3823 (not (memq 'popup-menu (assoc "lmenu" load-history))))
3825 ;; Gnus is probably running under Emacs 20.
3826 `(let* ((menu (cdr ,menu))
3827 (response (x-popup-menu
3829 (cons "" (mapcar (lambda (c)
3830 (cons (caddr c) (car c)))
3833 (call-interactively (nth 3 (assq response menu))))))))
3835 (defun gnus-mime-button-menu (event prefix)
3836 "Construct a context-sensitive menu of MIME commands."
3837 (interactive "e\nP")
3838 (save-window-excursion
3839 (let ((pos (event-start event)))
3840 (select-window (posn-window pos))
3841 (goto-char (posn-point pos))
3842 (gnus-article-check-buffer)
3843 (popup-menu gnus-mime-button-menu nil prefix))))
3845 (defun gnus-mime-view-all-parts (&optional handles)
3846 "View all the MIME parts."
3848 (save-current-buffer
3849 (set-buffer gnus-article-buffer)
3850 (let ((handles (or handles gnus-article-mime-handles))
3851 (mail-parse-charset gnus-newsgroup-charset)
3852 (mail-parse-ignored-charsets
3853 (with-current-buffer gnus-summary-buffer
3854 gnus-newsgroup-ignored-charsets)))
3856 (mm-remove-parts handles)
3857 (goto-char (point-min))
3858 (or (search-forward "\n\n") (goto-char (point-max)))
3859 (let (buffer-read-only)
3860 (delete-region (point) (point-max))
3861 (mm-display-parts handles))))))
3863 (defun gnus-mime-save-part-and-strip ()
3864 "Save the MIME part under point then replace it with an external body."
3866 (gnus-article-check-buffer)
3867 (let* ((data (get-text-property (point) 'gnus-data))
3869 (handles gnus-article-mime-handles))
3870 (if (mm-multiple-handles gnus-article-mime-handles)
3871 (error "This function is not implemented"))
3872 (setq file (and data (mm-save-part data)))
3874 (with-current-buffer (mm-handle-buffer data)
3876 (insert "Content-Type: " (mm-handle-media-type data))
3877 (mml-insert-parameter-string (cdr (mm-handle-type data))
3880 (insert "Content-ID: " (message-make-message-id) "\n")
3881 (insert "Content-Transfer-Encoding: binary\n")
3884 (cdr (mm-make-handle nil
3885 `("message/external-body"
3886 (access-type . "LOCAL-FILE")
3888 (set-buffer gnus-summary-buffer)
3889 (gnus-article-edit-article
3892 (let ((mail-parse-charset (or gnus-article-charset
3893 ',gnus-newsgroup-charset))
3894 (mail-parse-ignored-charsets
3895 (or gnus-article-ignored-charsets
3896 ',gnus-newsgroup-ignored-charsets))
3897 (mbl mml-buffer-list))
3898 (setq mml-buffer-list nil)
3899 (insert-buffer gnus-original-article-buffer)
3900 (mime-to-mml ',handles)
3901 (setq gnus-article-mime-handles nil)
3902 (let ((mbl1 mml-buffer-list))
3903 (setq mml-buffer-list mbl)
3904 (set (make-local-variable 'mml-buffer-list) mbl1))
3905 ;; LOCAL argument of add-hook differs between GNU Emacs
3906 ;; and XEmacs. make-local-hook makes sure they are local.
3907 (make-local-hook 'kill-buffer-hook)
3908 (add-hook 'kill-buffer-hook 'mml-destroy-buffers t t)))
3909 `(lambda (no-highlight)
3910 (let ((mail-parse-charset (or gnus-article-charset
3911 ',gnus-newsgroup-charset))
3912 (message-options message-options)
3913 (message-options-set-recipient)
3914 (mail-parse-ignored-charsets
3915 (or gnus-article-ignored-charsets
3916 ',gnus-newsgroup-ignored-charsets)))
3918 (mml-destroy-buffers)
3919 (remove-hook 'kill-buffer-hook
3920 'mml-destroy-buffers t)
3921 (kill-local-variable 'mml-buffer-list))
3922 (gnus-summary-edit-article-done
3923 ,(or (mail-header-references gnus-current-headers) "")
3924 ,(gnus-group-read-only-p)
3925 ,gnus-summary-buffer no-highlight))))))
3927 (defun gnus-mime-delete-part ()
3928 "Delete the MIME part under point.
3929 Replace it with some information about the removed part."
3931 (gnus-article-check-buffer)
3932 (let* ((data (get-text-property (point) 'gnus-data))
3933 (handles gnus-article-mime-handles)
3937 (mail-decode-encoded-word-string (or (mm-handle-description data)
3940 (or (mail-content-type-get (mm-handle-disposition data) 'filename)
3942 (type (mm-handle-media-type data)))
3943 (if (mm-multiple-handles gnus-article-mime-handles)
3944 (error "This function is not implemented"))
3945 (with-current-buffer (mm-handle-buffer data)
3946 (let ((bsize (format "%s" (buffer-size))))
3950 "<#part type=text/plain nofile=yes disposition=attachment"
3951 " description=\"Deleted attachment (" bsize " Byte)\">"
3953 "| The following attachment has been deleted:\n"
3955 "| Type: " type "\n"
3956 "| Filename: " filename "\n"
3957 "| Size (encoded): " bsize " Byte\n"
3958 "| Description: " description "\n"
3962 (cdr (mm-make-handle nil `("text/plain"))))))
3963 (set-buffer gnus-summary-buffer)
3964 ;; FIXME: maybe some of the following code (borrowed from
3965 ;; `gnus-mime-save-part-and-strip') isn't necessary?
3966 (gnus-article-edit-article
3969 (let ((mail-parse-charset (or gnus-article-charset
3970 ',gnus-newsgroup-charset))
3971 (mail-parse-ignored-charsets
3972 (or gnus-article-ignored-charsets
3973 ',gnus-newsgroup-ignored-charsets))
3974 (mbl mml-buffer-list))
3975 (setq mml-buffer-list nil)
3976 (insert-buffer gnus-original-article-buffer)
3977 (mime-to-mml ',handles)
3978 (setq gnus-article-mime-handles nil)
3979 (let ((mbl1 mml-buffer-list))
3980 (setq mml-buffer-list mbl)
3981 (set (make-local-variable 'mml-buffer-list) mbl1))
3982 ;; LOCAL argument of add-hook differs between GNU Emacs
3983 ;; and XEmacs. make-local-hook makes sure they are local.
3984 (make-local-hook 'kill-buffer-hook)
3985 (add-hook 'kill-buffer-hook 'mml-destroy-buffers t t)))
3986 `(lambda (no-highlight)
3987 (let ((mail-parse-charset (or gnus-article-charset
3988 ',gnus-newsgroup-charset))
3989 (message-options message-options)
3990 (message-options-set-recipient)
3991 (mail-parse-ignored-charsets
3992 (or gnus-article-ignored-charsets
3993 ',gnus-newsgroup-ignored-charsets)))
3995 (mml-destroy-buffers)
3996 (remove-hook 'kill-buffer-hook
3997 'mml-destroy-buffers t)
3998 (kill-local-variable 'mml-buffer-list))
3999 (gnus-summary-edit-article-done
4000 ,(or (mail-header-references gnus-current-headers) "")
4001 ,(gnus-group-read-only-p)
4002 ,gnus-summary-buffer no-highlight))))
4003 ;; Not in `gnus-mime-save-part-and-strip':
4004 (gnus-article-edit-done)
4005 (gnus-summary-expand-window)
4006 (gnus-summary-show-article))
4008 (defun gnus-mime-save-part ()
4009 "Save the MIME part under point."
4011 (gnus-article-check-buffer)
4012 (let ((data (get-text-property (point) 'gnus-data)))
4014 (mm-save-part data))))
4016 (defun gnus-mime-pipe-part ()
4017 "Pipe the MIME part under point to a process."
4019 (gnus-article-check-buffer)
4020 (let ((data (get-text-property (point) 'gnus-data)))
4022 (mm-pipe-part data))))
4024 (defun gnus-mime-view-part ()
4025 "Interactively choose a viewing method for the MIME part under point."
4027 (gnus-article-check-buffer)
4028 (let ((data (get-text-property (point) 'gnus-data)))
4030 (setq gnus-article-mime-handles
4032 gnus-article-mime-handles (setq data (copy-sequence data))))
4033 (mm-interactively-view-part data))))
4035 (defun gnus-mime-view-part-as-type-internal ()
4036 (gnus-article-check-buffer)
4037 (let* ((name (mail-content-type-get
4038 (mm-handle-type (get-text-property (point) 'gnus-data))
4040 (def-type (and name (mm-default-file-encoding name))))
4041 (and def-type (cons def-type 0))))
4043 (defun gnus-mime-view-part-as-type (&optional mime-type)
4044 "Choose a MIME media type, and view the part as such."
4047 (setq mime-type (completing-read
4048 "View as MIME type: "
4049 (mapcar #'list (mailcap-mime-types))
4051 (gnus-mime-view-part-as-type-internal))))
4052 (gnus-article-check-buffer)
4053 (let ((handle (get-text-property (point) 'gnus-data)))
4056 (mm-make-handle (mm-handle-buffer handle)
4057 (cons mime-type (cdr (mm-handle-type handle)))
4058 (mm-handle-encoding handle)
4059 (mm-handle-undisplayer handle)
4060 (mm-handle-disposition handle)
4061 (mm-handle-description handle)
4063 (mm-handle-id handle)))
4064 (setq gnus-article-mime-handles
4065 (mm-merge-handles gnus-article-mime-handles handle))
4066 (gnus-mm-display-part handle))))
4069 (require 'jka-compr))
4071 ;; jka-compr.el uses a "sh -c" to direct stderr to err-file, but these days
4072 ;; emacs can do that itself.
4074 (defun gnus-mime-jka-compr-maybe-uncompress ()
4075 "Uncompress the current buffer if `auto-compression-mode' is enabled.
4076 The uncompress method used is derived from `buffer-file-name'."
4077 (when (and (fboundp 'jka-compr-installed-p)
4078 (jka-compr-installed-p))
4079 (let ((info (jka-compr-get-compression-info buffer-file-name)))
4081 (let ((basename (file-name-nondirectory buffer-file-name))
4082 (args (jka-compr-info-uncompress-args info))
4083 (prog (jka-compr-info-uncompress-program info))
4084 (message (jka-compr-info-uncompress-message info))
4085 (err-file (jka-compr-make-temp-name)))
4087 (message "%s %s..." message basename))
4089 (unless (memq (apply 'call-process-region
4090 (point-min) (point-max)
4092 t (list t err-file) nil
4094 jka-compr-acceptable-retval-list)
4095 (jka-compr-error prog args basename message err-file))
4096 (jka-compr-delete-temp-file err-file)))))))
4098 (defun gnus-mime-copy-part (&optional handle)
4099 "Put the MIME part under point into a new buffer.
4100 If `auto-compression-mode' is enabled, compressed files like .gz and .bz2
4103 (gnus-article-check-buffer)
4104 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4105 (contents (and handle (mm-get-part handle)))
4107 (file-name-nondirectory
4109 (mail-content-type-get (mm-handle-type handle) 'name)
4110 (mail-content-type-get (mm-handle-disposition handle)
4113 (buffer (and base (generate-new-buffer base))))
4115 (switch-to-buffer buffer)
4117 ;; We do it this way to make `normal-mode' set the appropriate mode.
4120 (setq buffer-file-name (expand-file-name base))
4121 (gnus-mime-jka-compr-maybe-uncompress)
4123 (setq buffer-file-name nil))
4124 (goto-char (point-min)))))
4126 (defun gnus-mime-print-part (&optional handle filename)
4127 "Print the MIME part under point."
4128 (interactive (list nil (ps-print-preprint current-prefix-arg)))
4129 (gnus-article-check-buffer)
4130 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4131 (contents (and handle (mm-get-part handle)))
4132 (file (mm-make-temp-file (expand-file-name "mm." mm-tmp-directory)))
4133 (printer (mailcap-mime-info (mm-handle-media-type handle) "print")))
4138 (mm-save-part-to-file handle file)
4139 (call-process shell-file-name nil
4140 (generate-new-buffer " *mm*")
4142 shell-command-switch
4144 printer file (mm-handle-type handle))))
4148 (gnus-print-buffer))
4149 (ps-despool filename)))))
4151 (defun gnus-mime-inline-part (&optional handle arg)
4152 "Insert the MIME part under point into the current buffer."
4153 (interactive (list nil current-prefix-arg))
4154 (gnus-article-check-buffer)
4155 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4160 (if (and (not arg) (mm-handle-undisplayer handle))
4161 (mm-remove-part handle)
4162 (setq contents (mm-get-part handle))
4165 (setq charset (or (mail-content-type-get
4166 (mm-handle-type handle) 'charset)
4167 gnus-newsgroup-charset)))
4169 (if (mm-handle-undisplayer handle)
4170 (mm-remove-part handle))
4173 gnus-summary-show-article-charset-alist))
4174 (mm-read-coding-system "Charset: ")))))
4176 (mm-insert-inline handle
4178 (setq charset (mm-charset-to-coding-system
4180 (not (eq charset 'ascii)))
4181 (mm-decode-coding-string contents charset)
4185 (defun gnus-mime-view-part-as-charset (&optional handle arg)
4186 "Insert the MIME part under point into the current buffer using the
4188 (interactive (list nil current-prefix-arg))
4189 (gnus-article-check-buffer)
4190 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4195 (if (mm-handle-undisplayer handle)
4196 (mm-remove-part handle))
4197 (let ((gnus-newsgroup-charset
4199 gnus-summary-show-article-charset-alist))
4200 (mm-read-coding-system "Charset: ")))
4201 (gnus-newsgroup-ignored-charsets 'gnus-all))
4202 (gnus-article-press-button)))))
4204 (defun gnus-mime-view-part-externally (&optional handle)
4205 "View the MIME part under point with an external viewer."
4207 (gnus-article-check-buffer)
4208 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4209 (mm-user-display-methods nil)
4210 (mm-inlined-types nil)
4211 (mail-parse-charset gnus-newsgroup-charset)
4212 (mail-parse-ignored-charsets
4213 (save-excursion (set-buffer gnus-summary-buffer)
4214 gnus-newsgroup-ignored-charsets)))
4216 (if (mm-handle-undisplayer handle)
4217 (mm-remove-part handle)
4218 (mm-display-part handle)))))
4220 (defun gnus-mime-view-part-internally (&optional handle)
4221 "View the MIME part under point with an internal viewer.
4222 If no internal viewer is available, use an external viewer."
4224 (gnus-article-check-buffer)
4225 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4226 (mm-inlined-types '(".*"))
4227 (mm-inline-large-images t)
4228 (mail-parse-charset gnus-newsgroup-charset)
4229 (mail-parse-ignored-charsets
4230 (save-excursion (set-buffer gnus-summary-buffer)
4231 gnus-newsgroup-ignored-charsets))
4234 (if (mm-handle-undisplayer handle)
4235 (mm-remove-part handle)
4236 (mm-display-part handle)))))
4238 (defun gnus-mime-action-on-part (&optional action)
4239 "Do something with the MIME attachment at \(point\)."
4241 (list (completing-read "Action: " gnus-mime-action-alist nil t)))
4242 (gnus-article-check-buffer)
4243 (let ((action-pair (assoc action gnus-mime-action-alist)))
4245 (funcall (cdr action-pair)))))
4247 (defun gnus-article-part-wrapper (n function)
4248 (save-current-buffer
4249 (set-buffer gnus-article-buffer)
4250 (when (> n (length gnus-article-mime-handle-alist))
4251 (error "No such part"))
4252 (gnus-article-goto-part n)
4253 (let ((handle (cdr (assq n gnus-article-mime-handle-alist))))
4254 (funcall function handle))))
4256 (defun gnus-article-pipe-part (n)
4257 "Pipe MIME part N, which is the numerical prefix."
4259 (gnus-article-part-wrapper n 'mm-pipe-part))
4261 (defun gnus-article-save-part (n)
4262 "Save MIME part N, which is the numerical prefix."
4264 (gnus-article-part-wrapper n 'mm-save-part))
4266 (defun gnus-article-interactively-view-part (n)
4267 "View MIME part N interactively, which is the numerical prefix."
4269 (gnus-article-part-wrapper n 'mm-interactively-view-part))
4271 (defun gnus-article-copy-part (n)
4272 "Copy MIME part N, which is the numerical prefix."
4274 (gnus-article-part-wrapper n 'gnus-mime-copy-part))
4276 (defun gnus-article-view-part-as-charset (n)
4277 "Copy MIME part N, which is the numerical prefix."
4279 (gnus-article-part-wrapper n 'gnus-mime-view-part-as-charset))
4281 (defun gnus-article-view-part-externally (n)
4282 "View MIME part N externally, which is the numerical prefix."
4284 (gnus-article-part-wrapper n 'gnus-mime-view-part-externally))
4286 (defun gnus-article-inline-part (n)
4287 "Inline MIME part N, which is the numerical prefix."
4289 (gnus-article-part-wrapper n 'gnus-mime-inline-part))
4291 (defun gnus-article-mime-match-handle-first (condition)
4293 (let ((alist gnus-article-mime-handle-alist) ihandle n)
4294 (while (setq ihandle (pop alist))
4296 ((functionp condition)
4297 (funcall condition (cdr ihandle)))
4298 ((eq condition 'undisplayed)
4299 (not (or (mm-handle-undisplayer (cdr ihandle))
4300 (equal (mm-handle-media-type (cdr ihandle))
4301 "multipart/alternative"))))
4302 ((eq condition 'undisplayed-alternative)
4303 (not (mm-handle-undisplayer (cdr ihandle))))
4305 (gnus-article-goto-part (car ihandle))
4306 (or (not n) (< (car ihandle) n)))
4307 (setq n (car ihandle))))
4311 (defun gnus-article-view-part (&optional n)
4312 "View MIME part N, which is the numerical prefix."
4314 (save-current-buffer
4315 (set-buffer gnus-article-buffer)
4316 (or (numberp n) (setq n (gnus-article-mime-match-handle-first
4317 gnus-article-mime-match-handle-function)))
4318 (when (> n (length gnus-article-mime-handle-alist))
4319 (error "No such part"))
4320 (let ((handle (cdr (assq n gnus-article-mime-handle-alist))))
4321 (when (gnus-article-goto-part n)
4322 (if (equal (car handle) "multipart/alternative")
4323 (gnus-article-press-button)
4324 (when (eq (gnus-mm-display-part handle) 'internal)
4325 (gnus-set-window-start)))))))
4327 (defsubst gnus-article-mime-total-parts ()
4328 (if (bufferp (car gnus-article-mime-handles))
4330 (1- (length gnus-article-mime-handles))))
4332 (defun gnus-mm-display-part (handle)
4333 "Display HANDLE and fix MIME button."
4334 (let ((id (get-text-property (point) 'gnus-part))
4339 (let ((window (selected-window))
4340 (mail-parse-charset gnus-newsgroup-charset)
4341 (mail-parse-ignored-charsets
4342 (if (gnus-buffer-live-p gnus-summary-buffer)
4344 (set-buffer gnus-summary-buffer)
4345 gnus-newsgroup-ignored-charsets)
4349 (let ((win (gnus-get-buffer-window (current-buffer) t))
4352 (select-window win))
4355 (if (mm-handle-displayed-p handle)
4356 ;; This will remove the part.
4357 (mm-display-part handle)
4359 (narrow-to-region (point)
4360 (if (eobp) (point) (1+ (point))))
4361 (mm-display-part handle)
4362 ;; We narrow to the part itself and
4363 ;; then call the treatment functions.
4364 (goto-char (point-min))
4366 (narrow-to-region (point) (point-max))
4369 (gnus-article-mime-total-parts)
4370 (mm-handle-media-type handle)))))
4371 (if (window-live-p window)
4372 (select-window window)))))
4375 (gnus-insert-mime-button
4376 handle id (list (mm-handle-displayed-p handle)))
4377 (goto-char point))))
4379 (defun gnus-article-goto-part (n)
4380 "Go to MIME part N."
4381 (gnus-goto-char (text-property-any (point-min) (point-max) 'gnus-part n)))
4383 (defun gnus-insert-mime-button (handle gnus-tmp-id &optional displayed)
4384 (let ((gnus-tmp-name
4385 (or (mail-content-type-get (mm-handle-type handle) 'name)
4386 (mail-content-type-get (mm-handle-disposition handle) 'filename)
4387 (mail-content-type-get (mm-handle-type handle) 'url)
4389 (gnus-tmp-type (mm-handle-media-type handle))
4390 (gnus-tmp-description
4391 (mail-decode-encoded-word-string (or (mm-handle-description handle)
4394 (if (if displayed (car displayed)
4395 (mm-handle-displayed-p handle))
4397 (gnus-tmp-length (with-current-buffer (mm-handle-buffer handle)
4399 gnus-tmp-type-long b e)
4400 (when (string-match ".*/" gnus-tmp-name)
4401 (setq gnus-tmp-name (replace-match "" t t gnus-tmp-name)))
4402 (setq gnus-tmp-type-long (concat gnus-tmp-type
4403 (and (not (equal gnus-tmp-name ""))
4404 (concat "; " gnus-tmp-name))))
4405 (unless (equal gnus-tmp-description "")
4406 (setq gnus-tmp-type-long (concat " --- " gnus-tmp-type-long)))
4411 gnus-mime-button-line-format gnus-mime-button-line-format-alist
4412 `(,@(gnus-local-map-property gnus-mime-button-map)
4413 gnus-callback gnus-mm-display-part
4414 gnus-part ,gnus-tmp-id
4415 article-type annotation
4418 ;; Exclude a newline.
4421 (widget-convert-button
4424 :action 'gnus-widget-press-button
4425 :button-keymap gnus-mime-button-map
4427 (lambda (widget/window &optional overlay pos)
4428 ;; Needed to properly clear the message due to a bug in
4429 ;; wid-edit (XEmacs only).
4430 (if (boundp 'help-echo-owns-message)
4431 (setq help-echo-owns-message t))
4433 "%S: %s the MIME part; %S: more options"
4434 (aref gnus-mouse-2 0)
4435 ;; XEmacs will get a single widget arg; Emacs 21 will get
4436 ;; window, overlay, position.
4437 (if (mm-handle-displayed-p
4439 (with-current-buffer (gnus-overlay-buffer overlay)
4440 (widget-get (widget-at (gnus-overlay-start overlay))
4442 (widget-get widget/window :mime-handle)))
4444 (aref gnus-down-mouse-3 0))))))
4446 (defun gnus-widget-press-button (elems el)
4447 (goto-char (widget-get elems :from))
4448 (gnus-article-press-button))
4450 (defvar gnus-displaying-mime nil)
4452 (defun gnus-display-mime (&optional ihandles)
4453 "Display the MIME parts."
4455 (save-selected-window
4456 (let ((window (get-buffer-window gnus-article-buffer))
4459 (select-window window)
4460 ;; We have to do this since selecting the window
4461 ;; may change the point. So we set the window point.
4462 (set-window-point window point)))
4463 (let* ((handles (or ihandles
4464 (mm-dissect-buffer nil gnus-article-loose-mime)
4465 (and gnus-article-emulate-mime
4467 buffer-read-only handle name type b e display)
4468 (when (and (not ihandles)
4469 (not gnus-displaying-mime))
4470 ;; Top-level call; we clean up.
4471 (when gnus-article-mime-handles
4472 (mm-destroy-parts gnus-article-mime-handles)
4473 (setq gnus-article-mime-handle-alist nil));; A trick.
4474 (setq gnus-article-mime-handles handles)
4475 ;; We allow users to glean info from the handles.
4476 (when gnus-article-mime-part-function
4477 (gnus-mime-part-function handles)))
4479 (or (not (stringp (car handles)))
4482 (when (and (not ihandles)
4483 (not gnus-displaying-mime))
4484 ;; Clean up for mime parts.
4486 (delete-region (point) (point-max)))
4487 (let ((gnus-displaying-mime t))
4488 (gnus-mime-display-part handles)))
4491 (narrow-to-region (point) (point-max))
4492 (gnus-treat-article nil 1 1)
4495 ;; Highlight the headers.
4499 (narrow-to-region (point-min) (point))
4500 (gnus-treat-article 'head))))))))
4502 (defvar gnus-mime-display-multipart-as-mixed nil)
4503 (defvar gnus-mime-display-multipart-alternative-as-mixed nil)
4504 (defvar gnus-mime-display-multipart-related-as-mixed nil)
4506 (defun gnus-mime-display-part (handle)
4509 ((not (stringp (car handle)))
4510 (gnus-mime-display-single handle))
4511 ;; User-defined multipart
4512 ((cdr (assoc (car handle) gnus-mime-multipart-functions))
4513 (funcall (cdr (assoc (car handle) gnus-mime-multipart-functions))
4515 ;; multipart/alternative
4516 ((and (equal (car handle) "multipart/alternative")
4517 (not (or gnus-mime-display-multipart-as-mixed
4518 gnus-mime-display-multipart-alternative-as-mixed)))
4519 (let ((id (1+ (length gnus-article-mime-handle-alist))))
4520 (push (cons id handle) gnus-article-mime-handle-alist)
4521 (gnus-mime-display-alternative (cdr handle) nil nil id)))
4522 ;; multipart/related
4523 ((and (equal (car handle) "multipart/related")
4524 (not (or gnus-mime-display-multipart-as-mixed
4525 gnus-mime-display-multipart-related-as-mixed)))
4526 ;;;!!!We should find the start part, but we just default
4527 ;;;!!!to the first part.
4528 ;;(gnus-mime-display-part (cadr handle))
4529 ;;;!!! Most multipart/related is an HTML message plus images.
4530 ;;;!!! Unfortunately we are unable to let W3 display those
4531 ;;;!!! included images, so we just display it as a mixed multipart.
4532 ;;(gnus-mime-display-mixed (cdr handle))
4533 ;;;!!! No, w3 can display everything just fine.
4534 (gnus-mime-display-part (cadr handle)))
4535 ((equal (car handle) "multipart/signed")
4536 (gnus-add-wash-type 'signed)
4537 (gnus-mime-display-security handle))
4538 ((equal (car handle) "multipart/encrypted")
4539 (gnus-add-wash-type 'encrypted)
4540 (gnus-mime-display-security handle))
4541 ;; Other multiparts are handled like multipart/mixed.
4543 (gnus-mime-display-mixed (cdr handle)))))
4545 (defun gnus-mime-part-function (handles)
4546 (if (stringp (car handles))
4547 (mapcar 'gnus-mime-part-function (cdr handles))
4548 (funcall gnus-article-mime-part-function handles)))
4550 (defun gnus-mime-display-mixed (handles)
4551 (mapcar 'gnus-mime-display-part handles))
4553 (defun gnus-mime-display-single (handle)
4554 (let ((type (mm-handle-media-type handle))
4555 (ignored gnus-ignored-mime-types)
4562 (when (string-match (pop ignored) type)
4563 (throw 'ignored nil)))
4564 (if (and (setq not-attachment
4565 (and (not (mm-inline-override-p handle))
4566 (or (not (mm-handle-disposition handle))
4567 (equal (car (mm-handle-disposition handle))
4569 (mm-attachment-override-p handle))))
4570 (mm-automatic-display-p handle)
4572 (mm-inlinable-p handle)
4573 (mm-inlined-p handle))
4574 (mm-automatic-external-display-p type)))
4576 (when (equal (mm-handle-media-supertype handle) "text")
4578 (let ((id (1+ (length gnus-article-mime-handle-alist)))
4580 (push (cons id handle) gnus-article-mime-handle-alist)
4581 (when (or (not display)
4582 (not (gnus-unbuttonized-mime-type-p type)))
4583 ;(gnus-article-insert-newline)
4584 (gnus-insert-mime-button
4585 handle id (list (or display (and not-attachment text))))
4586 (gnus-article-insert-newline)
4587 ;(gnus-article-insert-newline)
4588 ;; Remember modify the number of forward lines.
4596 (let ((mail-parse-charset gnus-newsgroup-charset)
4597 (mail-parse-ignored-charsets
4598 (save-excursion (condition-case ()
4599 (set-buffer gnus-summary-buffer)
4601 gnus-newsgroup-ignored-charsets)))
4602 (mm-display-part handle t))
4603 (goto-char (point-max)))
4604 ((and text not-attachment)
4608 (gnus-article-insert-newline)
4609 (mm-insert-inline handle (mm-get-part handle))
4610 (goto-char (point-max))))
4614 (narrow-to-region beg (point))
4617 (gnus-article-mime-total-parts)
4618 (mm-handle-media-type handle)))))))))
4620 (defun gnus-unbuttonized-mime-type-p (type)
4621 "Say whether TYPE is to be unbuttonized."
4622 (unless gnus-inhibit-mime-unbuttonizing
4624 (let ((types gnus-unbuttonized-mime-types))
4626 (when (string-match (pop types) type)
4627 (throw 'found t)))))
4629 (let ((types gnus-buttonized-mime-types))
4631 (when (string-match (pop types) type)
4632 (throw 'found t)))))))))
4634 (defun gnus-article-insert-newline ()
4635 "Insert a newline, but mark it as undeletable."
4636 (gnus-put-text-property
4637 (point) (progn (insert "\n") (point)) 'gnus-undeletable t))
4639 (defun gnus-mime-display-alternative (handles &optional preferred ibegend id)
4640 (let* ((preferred (or preferred (mm-preferred-alternative handles)))
4643 handle buffer-read-only from props begend not-pref)
4644 (save-window-excursion
4647 (narrow-to-region (car ibegend)
4650 (goto-char (car ibegend))
4653 (delete-region (point-min) (point-max))
4654 (mm-remove-parts handles))
4655 (setq begend (list (point-marker)))
4657 (unless (setq not-pref (cadr (member preferred ihandles)))
4658 (setq not-pref (car ihandles)))
4661 (not (gnus-unbuttonized-mime-type-p
4662 "multipart/alternative")))
4663 (gnus-add-text-properties
4666 (insert (format "%d. " id))
4670 (unless ,(not ibegend)
4671 (setq gnus-article-mime-handle-alist
4672 ',gnus-article-mime-handle-alist))
4673 (gnus-mime-display-alternative
4674 ',ihandles ',not-pref ',begend ,id))
4675 ,@(gnus-local-map-property gnus-mime-button-map)
4676 ,gnus-mouse-face-prop ,gnus-article-mouse-face
4677 face ,gnus-article-button-face
4680 (widget-convert-button 'link from (point)
4681 :action 'gnus-widget-press-button
4682 :button-keymap gnus-widget-button-keymap)
4684 (while (setq handle (pop handles))
4685 (gnus-add-text-properties
4688 (insert (format "(%c) %-18s"
4689 (if (equal handle preferred) ?* ? )
4690 (mm-handle-media-type handle)))
4694 (unless ,(not ibegend)
4695 (setq gnus-article-mime-handle-alist
4696 ',gnus-article-mime-handle-alist))
4697 (gnus-mime-display-alternative
4698 ',ihandles ',handle ',begend ,id))
4699 ,@(gnus-local-map-property gnus-mime-button-map)
4700 ,gnus-mouse-face-prop ,gnus-article-mouse-face
4701 face ,gnus-article-button-face
4704 (widget-convert-button 'link from (point)
4705 :action 'gnus-widget-press-button
4706 :button-keymap gnus-widget-button-keymap)
4710 (if (stringp (car preferred))
4711 (gnus-display-mime preferred)
4712 (let ((mail-parse-charset gnus-newsgroup-charset)
4713 (mail-parse-ignored-charsets
4714 (save-excursion (set-buffer gnus-summary-buffer)
4715 gnus-newsgroup-ignored-charsets)))
4716 (mm-display-part preferred)
4720 (narrow-to-region (car begend) (point-max))
4722 nil (length gnus-article-mime-handle-alist)
4723 (gnus-article-mime-total-parts)
4724 (mm-handle-media-type handle))))))
4725 (goto-char (point-max))
4726 (setcdr begend (point-marker)))))
4728 (goto-char point))))
4730 (defconst gnus-article-wash-status-strings
4731 (let ((alist '((cite "c" "Possible hidden citation text"
4732 " " "All citation text visible")
4733 (headers "h" "Hidden headers"
4734 " " "All headers visible.")
4735 (pgp "p" "Encrypted or signed message status hidden"
4736 " " "No hidden encryption nor digital signature status")
4737 (signature "s" "Signature has been hidden"
4738 " " "Signature is visible")
4739 (overstrike "o" "Overstrike (^H) characters applied"
4740 " " "No overstrike characters applied")
4741 (emphasis "e" "/*_Emphasis_*/ characters applied"
4742 " " "No /*_emphasis_*/ characters applied")))
4744 (dolist (entry alist result)
4745 (let ((key (nth 0 entry))
4746 (on (copy-sequence (nth 1 entry)))
4747 (on-help (nth 2 entry))
4748 (off (copy-sequence (nth 3 entry)))
4749 (off-help (nth 4 entry)))
4750 (put-text-property 0 1 'help-echo on-help on)
4751 (put-text-property 0 1 'help-echo off-help off)
4752 (push (list key on off) result))))
4753 "Alist of strings describing wash status in the mode line.
4754 Each entry has the form (KEY ON OF), where the KEY is a symbol
4755 representing the particular washing function, ON is the string to use
4756 in the article mode line when the washing function is active, and OFF
4757 is the string to use when it is inactive.")
4759 (defun gnus-article-wash-status-entry (key value)
4760 (let ((entry (assoc key gnus-article-wash-status-strings)))
4761 (if value (nth 1 entry) (nth 2 entry))))
4763 (defun gnus-article-wash-status ()
4764 "Return a string which display status of article washing."
4766 (set-buffer gnus-article-buffer)
4767 (let ((cite (memq 'cite gnus-article-wash-types))
4768 (headers (memq 'headers gnus-article-wash-types))
4769 (boring (memq 'boring-headers gnus-article-wash-types))
4770 (pgp (memq 'pgp gnus-article-wash-types))
4771 (pem (memq 'pem gnus-article-wash-types))
4772 (signed (memq 'signed gnus-article-wash-types))
4773 (encrypted (memq 'encrypted gnus-article-wash-types))
4774 (signature (memq 'signature gnus-article-wash-types))
4775 (overstrike (memq 'overstrike gnus-article-wash-types))
4776 (emphasis (memq 'emphasis gnus-article-wash-types)))
4778 (gnus-article-wash-status-entry 'cite cite)
4779 (gnus-article-wash-status-entry 'headers (or headers boring))
4780 (gnus-article-wash-status-entry 'pgp (or pgp pem signed encrypted))
4781 (gnus-article-wash-status-entry 'signature signature)
4782 (gnus-article-wash-status-entry 'overstrike overstrike)
4783 (gnus-article-wash-status-entry 'emphasis emphasis)))))
4785 (defun gnus-add-wash-type (type)
4786 "Add a washing of TYPE to the current status."
4787 (add-to-list 'gnus-article-wash-types type))
4789 (defun gnus-delete-wash-type (type)
4790 "Add a washing of TYPE to the current status."
4791 (setq gnus-article-wash-types (delq type gnus-article-wash-types)))
4793 (defun gnus-add-image (category image)
4794 "Add IMAGE of CATEGORY to the list of displayed images."
4795 (let ((entry (assq category gnus-article-image-alist)))
4797 (setq entry (list category))
4798 (push entry gnus-article-image-alist))
4799 (nconc entry (list image))))
4801 (defun gnus-delete-images (category)
4802 "Delete all images in CATEGORY."
4803 (let ((entry (assq category gnus-article-image-alist)))
4804 (dolist (image (cdr entry))
4805 (gnus-remove-image image))
4806 (setq gnus-article-image-alist (delq entry gnus-article-image-alist))
4807 (gnus-delete-wash-type category)))
4809 (defalias 'gnus-article-hide-headers-if-wanted 'gnus-article-maybe-hide-headers)
4811 (defun gnus-article-maybe-hide-headers ()
4812 "Hide unwanted headers if `gnus-have-all-headers' is nil.
4813 Provided for backwards compatibility."
4814 (when (and (or (not (gnus-buffer-live-p gnus-summary-buffer))
4815 (not (save-excursion (set-buffer gnus-summary-buffer)
4816 gnus-have-all-headers)))
4817 (not gnus-inhibit-hiding))
4818 (gnus-article-hide-headers)))
4822 (defun gnus-output-to-file (file-name)
4823 "Append the current article to a file named FILE-NAME."
4824 (let ((artbuf (current-buffer)))
4826 (insert-buffer-substring artbuf)
4827 ;; Append newline at end of the buffer as separator, and then
4829 (goto-char (point-max))
4831 (let ((file-name-coding-system nnmail-pathname-coding-system))
4832 (mm-append-to-file (point-min) (point-max) file-name))
4835 (defun gnus-narrow-to-page (&optional arg)
4836 "Narrow the article buffer to a page.
4837 If given a numerical ARG, move forward ARG pages."
4839 (setq arg (if arg (prefix-numeric-value arg) 0))
4841 (set-buffer gnus-article-buffer)
4842 (goto-char (point-min))
4844 ;; Remove any old next/prev buttons.
4845 (when (gnus-visual-p 'page-marker)
4846 (let ((buffer-read-only nil))
4847 (gnus-remove-text-with-property 'gnus-prev)
4848 (gnus-remove-text-with-property 'gnus-next)))
4851 (re-search-backward page-delimiter nil 'move (1+ (abs arg))))
4853 (re-search-forward page-delimiter nil 'move arg)))
4854 (goto-char (match-end 0)))
4857 (if (re-search-forward page-delimiter nil 'move)
4860 (when (and (gnus-visual-p 'page-marker)
4861 (not (= (point-min) 1)))
4863 (goto-char (point-min))
4864 (gnus-insert-prev-page-button)))
4865 (when (and (gnus-visual-p 'page-marker)
4866 (< (+ (point-max) 2) (buffer-size)))
4868 (goto-char (point-max))
4869 (gnus-insert-next-page-button)))))
4871 ;; Article mode commands
4873 (defun gnus-article-goto-next-page ()
4874 "Show the next page of the article."
4876 (gnus-eval-in-buffer-window gnus-summary-buffer
4877 (gnus-summary-next-page)))
4879 (defun gnus-article-goto-prev-page ()
4880 "Show the next page of the article."
4882 (gnus-eval-in-buffer-window gnus-summary-buffer
4883 (gnus-summary-prev-page)))
4885 (defun gnus-article-next-page (&optional lines)
4886 "Show the next page of the current article.
4887 If end of article, return non-nil. Otherwise return nil.
4888 Argument LINES specifies lines to be scrolled up."
4890 (move-to-window-line -1)
4893 (and (pos-visible-in-window-p) ;Not continuation line.
4894 (>= (1+ (point)) (point-max)))) ;Allow for trailing newline.
4895 ;; Nothing in this page.
4896 (if (or (not gnus-page-broken)
4899 (widen) (forward-line 1) (eobp)))) ;Real end-of-buffer?
4901 (gnus-narrow-to-page 1) ;Go to next page.
4903 ;; More in this page.
4904 (let ((scroll-in-place nil))
4908 ;; Long lines may cause an end-of-buffer error.
4909 (goto-char (point-max)))))
4910 (move-to-window-line 0)
4913 (defun gnus-article-prev-page (&optional lines)
4914 "Show previous page of current article.
4915 Argument LINES specifies lines to be scrolled down."
4917 (move-to-window-line 0)
4918 (if (and gnus-page-broken
4920 (not (save-restriction (widen) (bobp)))) ;Real beginning-of-buffer?
4922 (gnus-narrow-to-page -1) ;Go to previous page.
4923 (goto-char (point-max))
4925 (let ((scroll-in-place nil))
4929 (beginning-of-buffer
4930 (goto-char (point-min))))
4931 (move-to-window-line 0)))))
4933 (defun gnus-article-only-boring-p ()
4934 "Decide whether there is only boring text remaining in the article.
4935 Something \"interesting\" is a word of at least two letters that does
4936 not have a face in `gnus-article-boring-faces'."
4937 (when (and gnus-article-skip-boring
4938 (boundp 'gnus-article-boring-faces)
4939 (symbol-value 'gnus-article-boring-faces))
4942 (while (re-search-forward "\\b\\w\\w" nil t)
4944 (when (not (gnus-intersection
4945 (gnus-faces-at (point))
4946 (symbol-value 'gnus-article-boring-faces)))
4947 (throw 'only-boring nil)))
4948 (throw 'only-boring t)))))
4950 (defun gnus-article-refer-article ()
4951 "Read article specified by message-id around point."
4954 (re-search-backward "[ \t]\\|^" (gnus-point-at-bol) t)
4955 (re-search-forward "<?news:<?\\|<" (gnus-point-at-eol) t)
4956 (if (re-search-forward "[^@ ]+@[^ \t>]+" (gnus-point-at-eol) t)
4957 (let ((msg-id (concat "<" (match-string 0) ">")))
4958 (set-buffer gnus-summary-buffer)
4959 (gnus-summary-refer-article msg-id))
4960 (error "No references around point"))))
4962 (defun gnus-article-show-summary ()
4963 "Reconfigure windows to show summary buffer."
4965 (if (not (gnus-buffer-live-p gnus-summary-buffer))
4966 (error "There is no summary buffer for this article buffer")
4967 (gnus-article-set-globals)
4968 (gnus-configure-windows 'article)
4969 (gnus-summary-goto-subject gnus-current-article)
4970 (gnus-summary-position-point)))
4972 (defun gnus-article-describe-briefly ()
4973 "Describe article mode commands briefly."
4975 (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")))
4977 (defun gnus-article-summary-command ()
4978 "Execute the last keystroke in the summary buffer."
4980 (let ((obuf (current-buffer))
4981 (owin (current-window-configuration))
4983 (switch-to-buffer gnus-article-current-summary 'norecord)
4984 (setq func (lookup-key (current-local-map) (this-command-keys)))
4985 (call-interactively func)
4987 (set-window-configuration owin)
4988 (set-window-point (get-buffer-window (current-buffer)) (point))))
4990 (defun gnus-article-summary-command-nosave ()
4991 "Execute the last keystroke in the summary buffer."
4994 (pop-to-buffer gnus-article-current-summary 'norecord)
4995 (setq func (lookup-key (current-local-map) (this-command-keys)))
4996 (call-interactively func)))
4998 (defun gnus-article-check-buffer ()
4999 "Beep if not in an article buffer."
5000 (unless (equal major-mode 'gnus-article-mode)
5001 (error "Command invoked outside of a Gnus article buffer")))
5003 (defun gnus-article-read-summary-keys (&optional arg key not-restore-window)
5004 "Read a summary buffer key sequence and execute it from the article buffer."
5006 (gnus-article-check-buffer)
5008 '("q" "Q" "c" "r" "\C-c\C-f" "m" "a" "f"
5009 "Zc" "ZC" "ZE" "ZQ" "ZZ" "Zn" "ZR" "ZG" "ZN" "ZP"
5010 "=" "^" "\M-^" "|"))
5016 '("n" "Gn" "p" "Gp"))
5019 (set-buffer gnus-article-current-summary)
5020 (let (gnus-pick-mode)
5021 (push (or key last-command-event) unread-command-events)
5022 (setq keys (if (featurep 'xemacs)
5023 (events-to-keys (read-key-sequence nil))
5024 (read-key-sequence nil)))))
5028 (if (or (member keys nosaves)
5029 (member keys nosave-but-article)
5030 (member keys nosave-in-article))
5032 (save-window-excursion
5033 (pop-to-buffer gnus-article-current-summary 'norecord)
5034 ;; We disable the pick minor mode commands.
5035 (let (gnus-pick-mode)
5036 (setq func (lookup-key (current-local-map) keys))))
5040 (unless (member keys nosave-in-article)
5041 (set-buffer gnus-article-current-summary))
5042 (call-interactively func)
5043 (setq new-sum-point (point)))
5044 (when (member keys nosave-but-article)
5045 (pop-to-buffer gnus-article-buffer 'norecord)))
5046 ;; These commands should restore window configuration.
5047 (let ((obuf (current-buffer))
5048 (owin (current-window-configuration))
5050 (summary gnus-article-current-summary)
5051 func in-buffer selected)
5052 (if not-restore-window
5053 (pop-to-buffer summary 'norecord)
5054 (switch-to-buffer summary 'norecord))
5055 (setq in-buffer (current-buffer))
5056 ;; We disable the pick minor mode commands.
5057 (if (and (setq func (let (gnus-pick-mode)
5058 (lookup-key (current-local-map) keys)))
5061 (call-interactively func)
5062 (setq new-sum-point (point))
5063 (when (eq in-buffer (current-buffer))
5064 (setq selected (gnus-summary-select-article))
5066 (unless not-restore-window
5067 (set-window-configuration owin))
5068 (when (eq selected 'old)
5070 (set-window-start (get-buffer-window (current-buffer))
5072 (set-window-point (get-buffer-window (current-buffer))
5074 (let ((win (get-buffer-window gnus-article-current-summary)))
5076 (set-window-point win new-sum-point)))) )
5077 (switch-to-buffer gnus-article-buffer)
5080 (defun gnus-article-describe-key (key)
5081 "Display documentation of the function invoked by KEY. KEY is a string."
5082 (interactive "kDescribe key: ")
5083 (gnus-article-check-buffer)
5084 (if (eq (key-binding key) 'gnus-article-read-summary-keys)
5086 (set-buffer gnus-article-current-summary)
5087 (let (gnus-pick-mode)
5088 (if (featurep 'xemacs)
5090 (push (elt key 0) unread-command-events)
5091 (setq key (events-to-keys
5092 (read-key-sequence "Describe key: "))))
5093 (setq unread-command-events
5095 (lambda (x) (if (>= x 128) (list 'meta (- x 128)) x))
5096 (string-to-list key)))
5097 (setq key (read-key-sequence "Describe key: "))))
5099 (describe-key key)))
5101 (defun gnus-article-describe-key-briefly (key &optional insert)
5102 "Display documentation of the function invoked by KEY. KEY is a string."
5103 (interactive "kDescribe key: \nP")
5104 (gnus-article-check-buffer)
5105 (if (eq (key-binding key) 'gnus-article-read-summary-keys)
5107 (set-buffer gnus-article-current-summary)
5108 (let (gnus-pick-mode)
5109 (if (featurep 'xemacs)
5111 (push (elt key 0) unread-command-events)
5112 (setq key (events-to-keys
5113 (read-key-sequence "Describe key: "))))
5114 (setq unread-command-events
5116 (lambda (x) (if (>= x 128) (list 'meta (- x 128)) x))
5117 (string-to-list key)))
5118 (setq key (read-key-sequence "Describe key: "))))
5119 (describe-key-briefly key insert))
5120 (describe-key-briefly key insert)))
5122 (defun gnus-article-reply-with-original (&optional wide)
5123 "Start composing a reply mail to the current message.
5124 The text in the region will be yanked. If the region isn't active,
5125 the entire article will be yanked."
5127 (let ((article (cdr gnus-article-current))
5129 (if (not (gnus-mark-active-p))
5130 (with-current-buffer gnus-summary-buffer
5131 (gnus-summary-reply (list (list article)) wide))
5132 (setq contents (buffer-substring (point) (mark t)))
5133 ;; Deactivate active regions.
5134 (when (and (boundp 'transient-mark-mode)
5135 transient-mark-mode)
5136 (setq mark-active nil))
5137 (with-current-buffer gnus-summary-buffer
5139 (list (list article contents)) wide)))))
5141 (defun gnus-article-followup-with-original ()
5142 "Compose a followup to the current article.
5143 The text in the region will be yanked. If the region isn't active,
5144 the entire article will be yanked."
5146 (let ((article (cdr gnus-article-current))
5148 (if (not (gnus-mark-active-p))
5149 (with-current-buffer gnus-summary-buffer
5150 (gnus-summary-followup (list (list article))))
5151 (setq contents (buffer-substring (point) (mark t)))
5152 ;; Deactivate active regions.
5153 (when (and (boundp 'transient-mark-mode)
5154 transient-mark-mode)
5155 (setq mark-active nil))
5156 (with-current-buffer gnus-summary-buffer
5157 (gnus-summary-followup
5158 (list (list article contents)))))))
5160 (defun gnus-article-hide (&optional arg force)
5161 "Hide all the gruft in the current article.
5162 This means that signatures, cited text and (some) headers will be
5164 If given a prefix, show the hidden text instead."
5165 (interactive (append (gnus-article-hidden-arg) (list 'force)))
5166 (gnus-article-hide-headers arg)
5167 (gnus-article-hide-list-identifiers arg)
5168 (gnus-article-hide-citation-maybe arg force)
5169 (gnus-article-hide-signature arg))
5171 (defun gnus-article-maybe-highlight ()
5172 "Do some article highlighting if article highlighting is requested."
5173 (when (gnus-visual-p 'article-highlight 'highlight)
5174 (gnus-article-highlight-some)))
5176 (defun gnus-check-group-server ()
5177 ;; Make sure the connection to the server is alive.
5178 (unless (gnus-server-opened
5179 (gnus-find-method-for-group gnus-newsgroup-name))
5180 (gnus-check-server (gnus-find-method-for-group gnus-newsgroup-name))
5181 (gnus-request-group gnus-newsgroup-name t)))
5184 (autoload 'nneething-get-file-name "nneething"))
5186 (defun gnus-request-article-this-buffer (article group)
5187 "Get an article and insert it into this buffer."
5188 (let (do-update-line sparse-header)
5192 (gnus-kill-all-overlays)
5193 (setq group (or group gnus-newsgroup-name))
5195 ;; Using `gnus-request-article' directly will insert the article into
5196 ;; `nntp-server-buffer' - so we'll save some time by not having to
5197 ;; copy it from the server buffer into the article buffer.
5199 ;; We only request an article by message-id when we do not have the
5200 ;; headers for it, so we'll have to get those.
5201 (when (stringp article)
5202 (gnus-read-header article))
5204 ;; If the article number is negative, that means that this article
5205 ;; doesn't belong in this newsgroup (possibly), so we find its
5206 ;; message-id and request it by id instead of number.
5207 (when (and (numberp article)
5209 (get-buffer gnus-summary-buffer)
5210 (gnus-buffer-exists-p gnus-summary-buffer))
5212 (set-buffer gnus-summary-buffer)
5213 (let ((header (gnus-summary-article-header article)))
5216 ((memq article gnus-newsgroup-sparse)
5217 ;; This is a sparse gap article.
5218 (setq do-update-line article)
5219 (setq article (mail-header-id header))
5220 (setq sparse-header (gnus-read-header article))
5221 (setq gnus-newsgroup-sparse
5222 (delq article gnus-newsgroup-sparse)))
5224 ;; It's a real article.
5225 (setq article (mail-header-id header)))
5227 ;; It is an extracted pseudo-article.
5228 (setq article 'pseudo)
5229 (gnus-request-pseudo-article header))))
5231 (let ((method (gnus-find-method-for-group
5232 gnus-newsgroup-name)))
5233 (when (and (eq (car method) 'nneething)
5235 (let ((dir (nneething-get-file-name
5236 (mail-header-id header))))
5237 (when (and (stringp dir)
5238 (file-directory-p dir))
5239 (setq article 'nneething)
5240 (gnus-group-enter-directory dir))))))))
5243 ;; Refuse to select canceled articles.
5244 ((and (numberp article)
5246 (get-buffer gnus-summary-buffer)
5247 (gnus-buffer-exists-p gnus-summary-buffer)
5248 (eq (cdr (save-excursion
5249 (set-buffer gnus-summary-buffer)
5250 (assq article gnus-newsgroup-reads)))
5251 gnus-canceled-mark))
5253 ;; We first check `gnus-original-article-buffer'.
5254 ((and (get-buffer gnus-original-article-buffer)
5257 (set-buffer gnus-original-article-buffer)
5258 (and (equal (car gnus-original-article) group)
5259 (eq (cdr gnus-original-article) article))))
5260 (insert-buffer-substring gnus-original-article-buffer)
5262 ;; Check the backlog.
5263 ((and gnus-keep-backlog
5264 (gnus-backlog-request-article group article (current-buffer)))
5266 ;; Check asynchronous pre-fetch.
5267 ((gnus-async-request-fetched-article group article (current-buffer))
5268 (gnus-async-prefetch-next group article gnus-summary-buffer)
5269 (when (and (numberp article) gnus-keep-backlog)
5270 (gnus-backlog-enter-article group article (current-buffer)))
5273 ((and gnus-use-cache
5275 (gnus-cache-request-article article group))
5277 ;; Check the agent cache.
5278 ((gnus-agent-request-article article group)
5280 ;; Get the article and put into the article buffer.
5281 ((or (stringp article)
5283 (let ((gnus-override-method gnus-override-method)
5284 (methods (and (stringp article)
5285 gnus-refer-article-method))
5286 (backend (car (gnus-find-method-for-group
5287 gnus-newsgroup-name)))
5289 (buffer-read-only nil))
5290 (if (or (not (listp methods))
5291 (and (symbolp (car methods))
5292 (assq (car methods) nnoo-definition-alist)))
5293 (setq methods (list methods)))
5294 (when (and (null gnus-override-method)
5296 (setq gnus-override-method (pop methods)))
5298 (when (eq gnus-override-method 'current)
5299 (setq gnus-override-method
5300 (with-current-buffer gnus-summary-buffer
5301 gnus-current-select-method)))
5303 (gnus-kill-all-overlays)
5304 (let ((gnus-newsgroup-name group))
5305 (gnus-check-group-server))
5307 ((gnus-request-article article group (current-buffer))
5308 (when (numberp article)
5309 (gnus-async-prefetch-next group article
5310 gnus-summary-buffer)
5311 (when gnus-keep-backlog
5312 (gnus-backlog-enter-article
5313 group article (current-buffer))))
5314 (setq result 'article))
5316 (setq gnus-override-method (pop methods)))
5317 ((not (string-match "^400 "
5318 (nnheader-get-report backend)))
5319 ;; If we get 400 server disconnect, reconnect and
5320 ;; retry; otherwise, assume the article has expired.
5321 (setq result 'done))))
5322 (and (eq result 'article) 'article)))
5326 ;; Associate this article with the current summary buffer.
5327 (setq gnus-article-current-summary gnus-summary-buffer)
5329 ;; Take the article from the original article buffer
5330 ;; and place it in the buffer it's supposed to be in.
5331 (when (and (get-buffer gnus-article-buffer)
5332 (equal (buffer-name (current-buffer))
5333 (buffer-name (get-buffer gnus-article-buffer))))
5335 (if (get-buffer gnus-original-article-buffer)
5336 (set-buffer gnus-original-article-buffer)
5337 (set-buffer (gnus-get-buffer-create gnus-original-article-buffer))
5338 (buffer-disable-undo)
5339 (setq major-mode 'gnus-original-article-mode)
5340 (setq buffer-read-only t))
5341 (let (buffer-read-only)
5343 (insert-buffer-substring gnus-article-buffer))
5344 (setq gnus-original-article (cons group article)))
5347 (run-hooks 'gnus-article-decode-hook)
5348 ;; Mark article as decoded or not.
5349 (setq gnus-article-decoded-p gnus-article-decode-hook))
5351 ;; Update sparse articles.
5352 (when (and do-update-line
5353 (or (numberp article)
5355 (let ((buf (current-buffer)))
5356 (set-buffer gnus-summary-buffer)
5357 (gnus-summary-update-article do-update-line sparse-header)
5358 (gnus-summary-goto-subject do-update-line nil t)
5359 (set-window-point (gnus-get-buffer-window (current-buffer) t)
5361 (set-buffer buf))))))
5367 (defcustom gnus-article-edit-mode-hook nil
5368 "Hook run in article edit mode buffers."
5369 :group 'gnus-article-various
5372 (defvar gnus-article-edit-done-function nil)
5374 (defvar gnus-article-edit-mode-map nil)
5375 (defvar gnus-article-edit-mode nil)
5377 ;; Should we be using derived.el for this?
5378 (unless gnus-article-edit-mode-map
5379 (setq gnus-article-edit-mode-map (make-keymap))
5380 (set-keymap-parent gnus-article-edit-mode-map text-mode-map)
5382 (gnus-define-keys gnus-article-edit-mode-map
5383 "\C-c?" describe-mode
5384 "\C-c\C-c" gnus-article-edit-done
5385 "\C-c\C-k" gnus-article-edit-exit
5386 "\C-c\C-f\C-t" message-goto-to
5387 "\C-c\C-f\C-o" message-goto-from
5388 "\C-c\C-f\C-b" message-goto-bcc
5389 ;;"\C-c\C-f\C-w" message-goto-fcc
5390 "\C-c\C-f\C-c" message-goto-cc
5391 "\C-c\C-f\C-s" message-goto-subject
5392 "\C-c\C-f\C-r" message-goto-reply-to
5393 "\C-c\C-f\C-n" message-goto-newsgroups
5394 "\C-c\C-f\C-d" message-goto-distribution
5395 "\C-c\C-f\C-f" message-goto-followup-to
5396 "\C-c\C-f\C-m" message-goto-mail-followup-to
5397 "\C-c\C-f\C-k" message-goto-keywords
5398 "\C-c\C-f\C-u" message-goto-summary
5399 "\C-c\C-f\C-i" message-insert-or-toggle-importance
5400 "\C-c\C-f\C-a" message-generate-unsubscribed-mail-followup-to
5401 "\C-c\C-b" message-goto-body
5402 "\C-c\C-i" message-goto-signature
5404 "\C-c\C-t" message-insert-to
5405 "\C-c\C-n" message-insert-newsgroups
5406 "\C-c\C-o" message-sort-headers
5407 "\C-c\C-e" message-elide-region
5408 "\C-c\C-v" message-delete-not-region
5409 "\C-c\C-z" message-kill-to-signature
5410 "\M-\r" message-newline-and-reformat
5411 "\C-c\C-a" mml-attach-file
5412 "\C-a" message-beginning-of-line
5414 "\M-;" comment-region)
5416 (gnus-define-keys (gnus-article-edit-wash-map
5417 "\C-c\C-w" gnus-article-edit-mode-map)
5418 "f" gnus-article-edit-full-stops))
5421 gnus-article-edit-mode-field-menu gnus-article-edit-mode-map ""
5423 ["Fetch To" message-insert-to t]
5424 ["Fetch Newsgroups" message-insert-newsgroups t]
5426 ["To" message-goto-to t]
5427 ["From" message-goto-from t]
5428 ["Subject" message-goto-subject t]
5429 ["Cc" message-goto-cc t]
5430 ["Reply-To" message-goto-reply-to t]
5431 ["Summary" message-goto-summary t]
5432 ["Keywords" message-goto-keywords t]
5433 ["Newsgroups" message-goto-newsgroups t]
5434 ["Followup-To" message-goto-followup-to t]
5435 ["Mail-Followup-To" message-goto-mail-followup-to t]
5436 ["Distribution" message-goto-distribution t]
5437 ["Body" message-goto-body t]
5438 ["Signature" message-goto-signature t]))
5440 (define-derived-mode gnus-article-edit-mode text-mode "Article Edit"
5441 "Major mode for editing articles.
5442 This is an extended text-mode.
5444 \\{gnus-article-edit-mode-map}"
5445 (make-local-variable 'gnus-article-edit-done-function)
5446 (make-local-variable 'gnus-prev-winconf)
5447 (set (make-local-variable 'font-lock-defaults)
5448 '(message-font-lock-keywords t))
5449 (set (make-local-variable 'mail-header-separator) "")
5450 (set (make-local-variable 'gnus-article-edit-mode) t)
5451 (easy-menu-add message-mode-field-menu message-mode-map)
5453 (setq buffer-read-only nil)
5454 (buffer-enable-undo)
5457 (defun gnus-article-edit (&optional force)
5458 "Edit the current article.
5459 This will have permanent effect only in mail groups.
5460 If FORCE is non-nil, allow editing of articles even in read-only
5463 (when (and (not force)
5464 (gnus-group-read-only-p))
5465 (error "The current newsgroup does not support article editing"))
5466 (gnus-article-date-original)
5467 (gnus-article-edit-article
5469 `(lambda (no-highlight)
5471 (gnus-summary-edit-article-done
5472 ,(or (mail-header-references gnus-current-headers) "")
5473 ,(gnus-group-read-only-p) ,gnus-summary-buffer no-highlight))))
5475 (defun gnus-article-edit-article (start-func exit-func)
5476 "Start editing the contents of the current article buffer."
5477 (let ((winconf (current-window-configuration)))
5478 (set-buffer gnus-article-buffer)
5479 (gnus-article-edit-mode)
5480 (funcall start-func)
5481 (set-buffer-modified-p nil)
5482 (gnus-configure-windows 'edit-article)
5483 (setq gnus-article-edit-done-function exit-func)
5484 (setq gnus-prev-winconf winconf)
5485 (gnus-message 6 "C-c C-c to end edits")))
5487 (defun gnus-article-edit-done (&optional arg)
5488 "Update the article edits and exit."
5490 (let ((func gnus-article-edit-done-function)
5491 (buf (current-buffer))
5492 (start (window-start))
5494 (winconf gnus-prev-winconf))
5495 (widen) ;; Widen it in case that users narrowed the buffer.
5498 ;; The cache and backlog have to be flushed somewhat.
5499 (when gnus-keep-backlog
5500 (gnus-backlog-remove-article
5501 (car gnus-article-current) (cdr gnus-article-current)))
5502 ;; Flush original article as well.
5504 (when (get-buffer gnus-original-article-buffer)
5505 (set-buffer gnus-original-article-buffer)
5506 (setq gnus-original-article nil)))
5507 (when gnus-use-cache
5508 (gnus-cache-update-article
5509 (car gnus-article-current) (cdr gnus-article-current)))
5510 ;; We remove all text props from the article buffer.
5511 (kill-all-local-variables)
5512 (gnus-set-text-properties (point-min) (point-max) nil)
5514 (set-window-configuration winconf)
5516 (set-window-start (get-buffer-window buf) start)
5517 (set-window-point (get-buffer-window buf) (point))))
5519 (defun gnus-article-edit-exit ()
5520 "Exit the article editing without updating."
5522 (when (or (not (buffer-modified-p))
5523 (yes-or-no-p "Article modified; kill anyway? "))
5524 (let ((curbuf (current-buffer))
5526 (window-start (window-start)))
5528 (if (gnus-buffer-live-p gnus-original-article-buffer)
5529 (insert-buffer gnus-original-article-buffer))
5530 (let ((winconf gnus-prev-winconf))
5531 (kill-all-local-variables)
5533 (set-window-configuration winconf)
5534 ;; Tippy-toe some to make sure that point remains where it was.
5535 (save-current-buffer
5537 (set-window-start (get-buffer-window (current-buffer)) window-start)
5540 (defun gnus-article-edit-full-stops ()
5541 "Interactively repair spacing at end of sentences."
5544 (goto-char (point-min))
5545 (search-forward-regexp "^$" nil t)
5546 (let ((case-fold-search nil))
5547 (query-replace-regexp "\\([.!?][])}]* \\)\\([[({A-Z]\\)" "\\1 \\2"))))
5550 ;;; Article highlights
5553 ;; Written by Per Abrahamsen <abraham@iesd.auc.dk>.
5555 ;;; Internal Variables:
5557 (defcustom gnus-button-url-regexp
5558 (if (string-match "[[:digit:]]" "1") ;; support POSIX?
5559 "\\b\\(\\(www\\.\\|\\(s?https?\\|ftp\\|file\\|gopher\\|news\\|telnet\\|wais\\|mailto\\|info\\):\\)\\(//[-a-z0-9_.]+:[0-9]*\\)?[-a-z0-9_=!?#$@~%&*+\\/:;.,[:word:]]+[-a-z0-9_=#$@~%&*+\\/[:word:]]\\)"
5560 "\\b\\(\\(www\\.\\|\\(s?https?\\|ftp\\|file\\|gopher\\|news\\|telnet\\|wais\\|mailto\\|info\\):\\)\\(//[-a-z0-9_.]+:[0-9]*\\)?\\([-a-z0-9_=!?#$@~%&*+\\/:;.,]\\|\\w\\)+\\([-a-z0-9_=#$@~%&*+\\/]\\|\\w\\)\\)")
5561 "Regular expression that matches URLs."
5562 :group 'gnus-article-buttons
5565 (defcustom gnus-button-valid-fqdn-regexp
5566 message-valid-fqdn-regexp
5567 "Regular expression that matches a valid FQDN."
5568 :group 'gnus-article-buttons
5571 (defcustom gnus-button-man-handler 'manual-entry
5572 "Function to use for displaying man pages.
5573 The function must take at least one argument with a string naming the
5575 :type '(choice (function-item :tag "Man" manual-entry)
5576 (function-item :tag "Woman" woman)
5577 (function :tag "Other"))
5578 :group 'gnus-article-buttons)
5580 (defcustom gnus-ctan-url "http://tug.ctan.org/tex-archive/"
5581 "Top directory of a CTAN \(Comprehensive TeX Archive Network\) archive.
5582 If the default site is too slow, try to find a CTAN mirror, see
5583 <URL:http://tug.ctan.org/tex-archive/CTAN.sites?action=/index.html>. See also
5584 the variable `gnus-button-handle-ctan'."
5585 :group 'gnus-article-buttons
5586 :link '(custom-manual "(gnus)Group Parameters")
5587 :type '(choice (const "http://www.tex.ac.uk/tex-archive/")
5588 (const "http://tug.ctan.org/tex-archive/")
5589 (const "http://www.dante.de/CTAN/")
5590 (string :tag "Other")))
5592 (defcustom gnus-button-ctan-handler 'browse-url
5593 "Function to use for displaying CTAN links.
5594 The function must take one argument, the string naming the URL."
5595 :type '(choice (function-item :tag "Browse Url" browse-url)
5596 (function :tag "Other"))
5597 :group 'gnus-article-buttons)
5599 (defcustom gnus-button-handle-ctan-bogus-regexp "^/?tex-archive/\\|^/"
5600 "Bogus strings removed from CTAN URLs."
5601 :group 'gnus-article-buttons
5602 :type '(choice (const "^/?tex-archive/\\|/")
5603 (regexp :tag "Other")))
5605 (defcustom gnus-button-ctan-directory-regexp
5607 "\\("; Cannot use `\(?: ... \)' (compatibility with Emacs 20).
5608 "biblio\\|digests\\|dviware\\|fonts\\|graphics\\|help\\|"
5609 "indexing\\|info\\|language\\|macros\\|support\\|systems\\|"
5610 "tds\\|tools\\|usergrps\\|web\\|nonfree\\|obsolete"
5612 "Regular expression for ctan directories.
5613 It should match all directories in the top level of `gnus-ctan-url'."
5614 :group 'gnus-article-buttons
5617 (defcustom gnus-button-mid-or-mail-regexp
5618 (concat "\\b\\(<?[a-z0-9][^<>\")!;:,{}\n\t ]*@"
5619 gnus-button-valid-fqdn-regexp
5621 "Regular expression that matches a message ID or a mail address."
5622 :group 'gnus-article-buttons
5625 (defcustom gnus-button-prefer-mid-or-mail 'gnus-button-mid-or-mail-heuristic
5626 "What to do when the button on a string as \"foo123@bar.invalid\" is pushed.
5627 Strings like this can be either a message ID or a mail address. If it is one
5628 of the symbols `mid' or `mail', Gnus will always assume that the string is a
5629 message ID or a mail address, respectivly. If this variable is set to the
5630 symbol `ask', always query the user what do do. If it is a function, this
5631 function will be called with the string as it's only argument. The function
5632 must return `mid', `mail', `invalid' or `ask'."
5633 :group 'gnus-article-buttons
5634 :type '(choice (function-item :tag "Heuristic function"
5635 gnus-button-mid-or-mail-heuristic)
5640 (defcustom gnus-button-mid-or-mail-heuristic-alist
5641 '((-10.0 . ".+\\$.+@")
5644 (-5.0 . "\\+[^+]*\\+.*@") ;; # two plus signs
5645 (-5.0 . "@[Nn][Ee][Ww][Ss]") ;; /\@news/i
5646 (-5.0 . "@.*[Dd][Ii][Aa][Ll][Uu][Pp]") ;; /\@.*dialup/i;
5647 (-1.0 . "^[^a-z]+@")
5649 (-5.0 . "\\.[0-9][0-9]+.*@") ;; "\.[0-9]{2,}.*\@"
5650 (-5.0 . "[a-z].*[A-Z].*[a-z].*[A-Z].*@") ;; "([a-z].*[A-Z].*){2,}\@"
5651 (-3.0 . "[A-Z][A-Z][a-z][a-z].*@")
5652 (-5.0 . "\\...?.?@") ;; (-5.0 . "\..{1,3}\@")
5655 (-1.0 . "^[0-9][0-9]")
5657 ;; -3.0 /^[0-9][0-9a-fA-F]{2,2}/;
5658 (-3.0 . "^[0-9][0-9a-fA-F][0-9a-fA-F][^0-9a-fA-F]")
5659 ;; -5.0 /^[0-9][0-9a-fA-F]{3,3}/;
5660 (-5.0 . "^[0-9][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][^0-9a-fA-F]")
5662 (-3.0 . "[0-9][0-9][0-9][0-9][0-9][^0-9].*@") ;; "[0-9]{5,}.*\@"
5663 (-3.0 . "[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][^0-9].*@")
5666 . "[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9].*@")
5668 ;; compensation for TDMA dated mail addresses:
5669 (25.0 . "-dated-[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]+.*@")
5671 (-20.0 . "\\.fsf@") ;; Gnus
5674 (-20.0 . "_-_") ;; Subject change in thread
5676 (-20.0 . "\\.ln@") ;; leafnode
5677 (-30.0 . "@ID-[0-9]+\\.[a-zA-Z]+\\.dfncis\\.de")
5678 (-30.0 . "@4[Aa][Xx]\\.com") ;; Forte Agent
5680 ;; (5.0 . "") ;; $local_part_len <= 7
5681 (10.0 . "^[^0-9]+@")
5682 (3.0 . "^[^0-9]+[0-9][0-9]?[0-9]?@")
5683 ;; ^[^0-9]+[0-9]{1,3}\@ digits only at end of local part
5686 (2.0 . "[a-z][a-z][._-][A-Z][a-z].*@")
5688 (0.5 . "^[A-Z][a-z]")
5689 (0.5 . "^[A-Z][a-z][a-z]")
5690 (1.5 . "^[A-Z][a-z][A-Z][a-z][^a-z]") ;; ^[A-Z][a-z]{3,3}
5691 (2.0 . "^[A-Z][a-z][A-Z][a-z][a-z][^a-z]")) ;; ^[A-Z][a-z]{4,4}
5692 "An alist of \(RATE . REGEXP\) pairs for `gnus-button-mid-or-mail-heuristic'.
5694 A negative RATE indicates a message IDs, whereas a positive indicates a mail
5695 address. The REGEXP is processed with `case-fold-search' set to `nil'."
5696 :group 'gnus-article-buttons
5697 :type '(repeat (cons (number :tag "Rate")
5698 (regexp :tag "Regexp"))))
5700 (defun gnus-button-mid-or-mail-heuristic (mid-or-mail)
5701 "Guess whether MID-OR-MAIL is a message ID or a mail address.
5702 Returns `mid' if MID-OR-MAIL is a message IDs, `mail' if it's a mail
5703 address, `ask' if unsure and `invalid' if the string is invalid."
5704 (let ((case-fold-search nil)
5705 (list gnus-button-mid-or-mail-heuristic-alist)
5706 (result 0) rate regexp lpartlen elem)
5708 (length (gnus-replace-in-string mid-or-mail "^\\(.*\\)@.*$" "\\1")))
5709 (gnus-message 8 "`%s', length of local part=`%s'." mid-or-mail lpartlen)
5710 ;; Certain special cases...
5713 "^0[0-9]+-[0-9][0-9][0-9][0-9]@t-online\\.de$" "\\|"
5714 "^[0-9]+\.[0-9]+\@compuserve")
5716 (gnus-message 8 "`%s' is a known mail address.")
5717 (setq result 'mail))
5718 (when (string-match "@.*@\\| " mid-or-mail)
5719 (gnus-message 8 "`%s' is invalid.")
5720 (setq result 'invalid))
5721 ;; Nothing more to do, if result is not a number here...
5722 (when (numberp result)
5724 (setq elem (car list)
5728 (when (string-match regexp mid-or-mail)
5729 (setq result (+ result rate))
5731 9 "`%s' matched `%s', rate `%s', result `%s'."
5732 mid-or-mail regexp rate result)))
5733 (when (<= lpartlen 7)
5734 (setq result (+ result 5.0))
5735 (gnus-message 9 "`%s' matched (<= lpartlen 7), result `%s'."
5736 mid-or-mail result))
5737 (when (>= lpartlen 12)
5738 (gnus-message 9 "`%s' matched (>= lpartlen 12)" mid-or-mail)
5740 ((string-match "[0-9][^0-9]+[0-9].*@" mid-or-mail)
5741 ;; Long local part should contain realname if e-mail address,
5742 ;; too many digits: message-id.
5743 ;; $score -= 5.0 + 0.1 * $local_part_len;
5744 (setq rate (* -1.0 (+ 5.0 (* 0.1 lpartlen))))
5745 (setq result (+ result rate))
5747 9 "Many digits in `%s', rate `%s', result `%s'."
5748 mid-or-mail rate result))
5749 ((string-match "[^aeiouy][^aeiouy][^aeiouy][^aeiouy]+.*\@"
5751 ;; Too few vowels [^aeiouy]{4,}.*\@
5752 (setq result (+ result -5.0))
5754 9 "Few vowels in `%s', rate `%s', result `%s'."
5755 mid-or-mail -5.0 result))
5757 (setq result (+ result 5.0))
5759 9 "`%s', rate `%s', result `%s'." mid-or-mail 5.0 result)))))
5760 (gnus-message 8 "`%s': Final rate is `%s'." mid-or-mail result)
5762 ;; Maybe we should make this a customizable alist: (condition . 'result)
5763 ((< result -10.0) 'mid)
5764 ((> result 10.0) 'mail)
5767 (defun gnus-button-handle-mid-or-mail (mid-or-mail)
5768 (let* ((pref gnus-button-prefer-mid-or-mail) guessed
5769 (url-mid (concat "news" ":" mid-or-mail))
5770 (url-mailto (concat "mailto" ":" mid-or-mail)))
5771 (gnus-message 9 "mid-or-mail=%s" mid-or-mail)
5772 (when (fboundp pref)
5774 ;; get rid of surrounding angles...
5776 (gnus-replace-in-string mid-or-mail "^<\\|>$" "")))
5777 (if (or (eq 'mid guessed) (eq 'mail guessed))
5781 (save-window-excursion
5782 (if (y-or-n-p (concat "Is <" mid-or-mail "> a mail address? "))
5785 (cond ((eq pref 'mid)
5786 (gnus-message 8 "calling `gnus-button-handle-news' %s" url-mid)
5787 (gnus-button-handle-news url-mid))
5789 (gnus-message 8 "calling `gnus-url-mailto' %s" url-mailto)
5790 (gnus-url-mailto url-mailto))
5791 (t (gnus-message 3 "Invalid string.")))))
5793 (defun gnus-button-handle-custom (url)
5794 "Follow a Custom URL."
5795 (customize-apropos (gnus-url-unhex-string url)))
5797 (defvar gnus-button-handle-describe-prefix "^\\(C-h\\|<?[Ff]1>?\\)")
5799 ;; FIXME: Maybe we should merge some of the functions that do quite similar
5802 (defun gnus-button-handle-describe-function (url)
5803 "Call `describe-function' when pushing the corresponding URL button."
5806 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))))
5808 (defun gnus-button-handle-describe-variable (url)
5809 "Call `describe-variable' when pushing the corresponding URL button."
5812 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))))
5814 (defun gnus-button-handle-symbol (url)
5815 "Display help on variable or function.
5816 Calls `describe-variable' or `describe-function'."
5817 (let ((sym (intern url)))
5819 ((fboundp sym) (describe-function sym))
5820 ((boundp sym) (describe-variable sym))
5821 (t (gnus-message 3 "`%s' is not a known function of variable." url)))))
5823 (defun gnus-button-handle-describe-key (url)
5824 "Call `describe-key' when pushing the corresponding URL button."
5826 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))
5827 (keys (ignore-errors (eval `(kbd ,key-string)))))
5830 (gnus-message 3 "Invalid key sequence in button: %s" key-string))))
5832 (defun gnus-button-handle-apropos (url)
5833 "Call `apropos' when pushing the corresponding URL button."
5834 (apropos (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
5836 (defun gnus-button-handle-apropos-command (url)
5837 "Call `apropos' when pushing the corresponding URL button."
5839 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
5841 (defun gnus-button-handle-apropos-variable (url)
5842 "Call `apropos' when pushing the corresponding URL button."
5844 (if (fboundp 'apropos-variable) 'apropos-variable 'apropos)
5845 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
5847 (defun gnus-button-handle-apropos-documentation (url)
5848 "Call `apropos' when pushing the corresponding URL button."
5850 (if (fboundp 'apropos-documentation) 'apropos-documentation 'apropos)
5851 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
5853 (defun gnus-button-handle-library (url)
5854 "Call `locate-library' when pushing the corresponding URL button."
5855 (gnus-message 9 "url=`%s'" url)
5856 (let* ((lib (locate-library url))
5857 (file (gnus-replace-in-string (or lib "") "\.elc" ".el")))
5859 (gnus-message 1 "Cannot locale library `%s'." url)
5860 (find-file-read-only file))))
5862 (defun gnus-button-handle-ctan (url)
5863 "Call `browse-url' when pushing a CTAN URL button."
5865 gnus-button-ctan-handler
5868 (gnus-replace-in-string url gnus-button-handle-ctan-bogus-regexp ""))))
5870 (defcustom gnus-button-tex-level 5
5871 "*Integer that says how many TeX-related buttons Gnus will show.
5872 The higher the number, the more buttons will appear and the more false
5873 positives are possible. Note that you can set this variable local to
5874 specifific groups. Setting it higher in TeX groups is probably a good idea.
5875 See Info node `(gnus)Group Parameters' and the variable `gnus-parameters' on
5876 how to set variables in specific groups."
5877 :group 'gnus-article-buttons
5878 :link '(custom-manual "(gnus)Group Parameters")
5881 (defcustom gnus-button-man-level 5
5882 "*Integer that says how many man-related buttons Gnus will show.
5883 The higher the number, the more buttons will appear and the more false
5884 positives are possible. Note that you can set this variable local to
5885 specifific groups. Setting it higher in Unix groups is probably a good idea.
5886 See Info node `(gnus)Group Parameters' and the variable `gnus-parameters' on
5887 how to set variables in specific groups."
5888 :group 'gnus-article-buttons
5889 :link '(custom-manual "(gnus)Group Parameters")
5892 (defcustom gnus-button-emacs-level 5
5893 "*Integer that says how many emacs-related buttons Gnus will show.
5894 The higher the number, the more buttons will appear and the more false
5895 positives are possible. Note that you can set this variable local to
5896 specifific groups. Setting it higher in Emacs or Gnus related groups is
5897 probably a good idea. See Info node `(gnus)Group Parameters' and the variable
5898 `gnus-parameters' on how to set variables in specific groups."
5899 :group 'gnus-article-buttons
5900 :link '(custom-manual "(gnus)Group Parameters")
5903 (defcustom gnus-button-message-level 5
5904 "*Integer that says how many buttons for news or mail messages will appear.
5905 The higher the number, the more buttons will appear and the more false
5906 positives are possible."
5907 ;; mail addresses, MIDs, URLs for news, ...
5908 :group 'gnus-article-buttons
5911 (defcustom gnus-button-browse-level 5
5912 "*Integer that says how many buttons for browsing will appear.
5913 The higher the number, the more buttons will appear and the more false
5914 positives are possible."
5915 ;; stuff handled by `browse-url' or `gnus-button-embedded-url'
5916 :group 'gnus-article-buttons
5919 (defcustom gnus-button-alist
5920 '(("<\\(url:[>\n\t ]*?\\)?\\(nntp\\|news\\):[>\n\t ]*\\([^>\n\t ]*@[^>\n\t ]*\\)>"
5921 0 (>= gnus-button-message-level 0) gnus-button-handle-news 3)
5922 ("\\b\\(nntp\\|news\\):\\([^>\n\t ]*@[^>)!;:,\n\t ]*\\)" 0 t
5923 gnus-button-handle-news 2)
5924 ("\\(\\b<\\(url:[>\n\t ]*\\)?news:[>\n\t ]*\\(//\\)?\\([^>\n\t ]*\\)>\\)"
5925 1 (>= gnus-button-message-level 0) gnus-button-fetch-group 4)
5926 ("\\bnews:\\(//\\)?\\([^'\">\n\t ]+\\)"
5927 0 (>= gnus-button-message-level 0) gnus-button-fetch-group 2)
5928 ("\\bin\\( +article\\| +message\\)? +\\(<\\([^\n @<>]+@[^\n @<>]+\\)>\\)"
5929 2 (>= gnus-button-message-level 0) gnus-button-message-id 3)
5930 ("\\(<URL: *\\)mailto: *\\([^> \n\t]+\\)>"
5931 0 (>= gnus-button-message-level 0) gnus-url-mailto 2)
5932 ("mailto:\\([-a-z.@_+0-9%=?]+\\)"
5933 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
5934 ("\\bmailto:\\([^ \n\t]+\\)"
5935 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
5937 ("\\bCTAN:[ \t\n]*\\([^>)!;:,'\n\t ]*\\)"
5938 0 (>= gnus-button-tex-level 1) gnus-button-handle-ctan 1)
5939 ((concat "\\btex-archive/\\("
5940 gnus-button-ctan-directory-regexp
5941 "/[-_.a-z0-9/]+[-_./a-z0-9]+[/a-z0-9]\\)")
5942 1 (>= gnus-button-tex-level 6) gnus-button-handle-ctan 1)
5945 gnus-button-ctan-directory-regexp
5946 "/[-_.a-z0-9]+/[-_./a-z0-9]+[/a-z0-9]\\)")
5947 1 (>= gnus-button-tex-level 8) gnus-button-handle-ctan 1)
5949 ("\\binfo:\\(//\\)?\\([^'\">\n\t ]+\\)"
5950 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url 2)
5951 ("\\((Info-goto-node\\|(info\\)[ \t\n]*\\(\"[^\"]*\"\\))" 0
5952 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url 2)
5953 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+i[ \t\n]+d?[ \t\n]?m[ \t\n]+\\([^ ]+ ?[^ ]+\\)[ \t\n]+RET"
5954 ;; Info links like `C-h i d m CC Mode RET'
5955 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-keystrokes 2)
5957 ("\\bcustom:\\(//\\)?\\([^'\">\n\t ]+\\)"
5958 0 (>= gnus-button-emacs-level 5) gnus-button-handle-custom 2)
5959 ("M-x[ \t\n]customize-[^ ]+[ \t\n]RET[ \t\n]\\([^ ]+\\)[ \t\n]RET" 0
5960 (>= gnus-button-emacs-level 1) gnus-button-handle-custom 1)
5961 ;; Emacs help commands
5962 ("M-x[ \t\n]+apropos[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
5963 ;; regexp doesn't match arguments containing ` '.
5964 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos 1)
5965 ("M-x[ \t\n]+apropos-command[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
5966 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-command 1)
5967 ("M-x[ \t\n]+apropos-variable[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
5968 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-variable 1)
5969 ("M-x[ \t\n]+apropos-documentation[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
5970 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-documentation 1)
5971 ;; The following entries may lead to many false positives so don't enable
5972 ;; them by default (use a high button level):
5973 ("/\\([a-z][-a-z0-9]+\\.el\\)\\>"
5974 1 (>= gnus-button-emacs-level 8) gnus-button-handle-library 1)
5975 ("`\\([a-z][-a-z0-9]+\\.el\\)'"
5976 1 (>= gnus-button-emacs-level 8) gnus-button-handle-library 1)
5977 ("`\\([a-z]+-[a-z]+-[-a-z]+\\|\\(gnus\\|message\\)-[-a-z]+\\)'"
5978 0 (>= gnus-button-emacs-level 8) gnus-button-handle-symbol 1)
5979 ("`\\([a-z]+-[a-z]+\\)'"
5980 0 (>= gnus-button-emacs-level 9) gnus-button-handle-symbol 1)
5981 ("(setq[ \t\n]+\\([a-z][a-z0-9]+-[-a-z0-9]+\\)[ \t\n]+.+)"
5982 1 (>= gnus-button-emacs-level 7) gnus-button-handle-describe-variable 1)
5983 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+f[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
5984 0 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-function 2)
5985 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+v[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
5986 0 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-variable 2)
5987 ("`\\(\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+k[ \t\n]+\\([^']+\\)\\)'"
5988 ;; Unlike the other regexps we really have to require quoting
5989 ;; here to determine where it ends.
5990 1 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-key 3)
5991 ;; This is how URLs _should_ be embedded in text (RFC 1738)...
5992 ("<URL: *\\([^<>]*\\)>"
5993 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
5995 (gnus-button-url-regexp
5996 0 (>= gnus-button-browse-level 0) browse-url 0)
5998 ("\\b\\([a-z][a-z]+\\)([1-9])\\W"
5999 0 (and (>= gnus-button-man-level 1) (< gnus-button-man-level 3))
6000 gnus-button-handle-man 1)
6001 ;; more man pages: resolv.conf(5), iso_8859-1(7), xterm(1x)
6002 ("\\b\\([a-z][-_.a-z0-9]+\\)([1-9])\\W"
6003 0 (and (>= gnus-button-man-level 3) (< gnus-button-man-level 5))
6004 gnus-button-handle-man 1)
6005 ;; even more: Apache::PerlRun(3pm), PDL::IO::FastRaw(3pm),
6006 ;; SoWWWAnchor(3iv), XSelectInput(3X11), X(1), X(7)
6007 ("\\b\\([a-z][-_.:a-z0-9]+\\)([1-9][X1a-z]*)\\W\\|\\b\\(X\\)([1-9])\\W"
6008 0 (>= gnus-button-man-level 5) gnus-button-handle-man 1)
6009 ;; MID or mail: To avoid too many false positives we don't try to catch
6010 ;; all kind of allowed MIDs or mail addresses. Domain part must contain
6011 ;; at least one dot. TLD must contain two or three chars or be a know TLD
6012 ;; (info|name|...). Put this entry near the _end_ of `gnus-button-alist'
6013 ;; so that non-ambiguous entries (see above) match first.
6014 (gnus-button-mid-or-mail-regexp
6015 0 (>= gnus-button-message-level 5) gnus-button-handle-mid-or-mail 1))
6016 "*Alist of regexps matching buttons in article bodies.
6018 Each entry has the form (REGEXP BUTTON FORM CALLBACK PAR...), where
6019 REGEXP: is the string (case insensitive) matching text around the button (can
6020 also be lisp expression evaluating to a string),
6021 BUTTON: is the number of the regexp grouping actually matching the button,
6022 FORM: is a lisp expression which must eval to true for the button to
6024 CALLBACK: is the function to call when the user push this button, and each
6025 PAR: is a number of a regexp grouping whose text will be passed to CALLBACK.
6027 CALLBACK can also be a variable, in that case the value of that
6028 variable it the real callback function."
6029 :group 'gnus-article-buttons
6030 :type '(repeat (list (choice regexp variable)
6031 (integer :tag "Button")
6033 (function :tag "Callback")
6036 (integer :tag "Regexp group")))))
6038 (defcustom gnus-header-button-alist
6039 '(("^\\(References\\|Message-I[Dd]\\):" "<[^<>]+>"
6040 0 (>= gnus-button-message-level 0) gnus-button-message-id 0)
6041 ("^\\(From\\|Reply-To\\):" ": *\\(.+\\)$"
6042 1 (>= gnus-button-message-level 0) gnus-button-reply 1)
6043 ("^\\(Cc\\|To\\):" "[^ \t\n<>,()\"]+@[^ \t\n<>,()\"]+"
6044 0 (>= gnus-button-message-level 0) gnus-button-mailto 0)
6045 ("^X-[Uu][Rr][Ll]:" gnus-button-url-regexp
6046 0 (>= gnus-button-browse-level 0) browse-url 0)
6047 ("^Subject:" gnus-button-url-regexp
6048 0 (>= gnus-button-browse-level 0) browse-url 0)
6049 ("^[^:]+:" gnus-button-url-regexp
6050 0 (>= gnus-button-browse-level 0) browse-url 0)
6051 ("^[^:]+:" "\\bmailto:\\([-a-z.@_+0-9%=?]+\\)"
6052 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
6053 ("^[^:]+:" "\\(<\\(url: \\)?news:\\([^>\n ]*\\)>\\)"
6054 1 (>= gnus-button-message-level 0) gnus-button-message-id 3))
6055 "*Alist of headers and regexps to match buttons in article heads.
6057 This alist is very similar to `gnus-button-alist', except that each
6058 alist has an additional HEADER element first in each entry:
6060 \(HEADER REGEXP BUTTON FORM CALLBACK PAR)
6062 HEADER is a regexp to match a header. For a fuller explanation, see
6063 `gnus-button-alist'."
6064 :group 'gnus-article-buttons
6065 :group 'gnus-article-headers
6066 :type '(repeat (list (regexp :tag "Header")
6068 (integer :tag "Button")
6070 (function :tag "Callback")
6073 (integer :tag "Regexp group")))))
6075 (defvar gnus-button-regexp nil)
6076 (defvar gnus-button-marker-list nil)
6077 ;; Regexp matching any of the regexps from `gnus-button-alist'.
6079 (defvar gnus-button-last nil)
6080 ;; The value of `gnus-button-alist' when `gnus-button-regexp' was build.
6084 (defun gnus-article-push-button (event)
6085 "Check text under the mouse pointer for a callback function.
6086 If the text under the mouse pointer has a `gnus-callback' property,
6087 call it with the value of the `gnus-data' text property."
6089 (set-buffer (window-buffer (posn-window (event-start event))))
6090 (let* ((pos (posn-point (event-start event)))
6091 (data (get-text-property pos 'gnus-data))
6092 (fun (get-text-property pos 'gnus-callback)))
6095 (funcall fun data))))
6097 (defun gnus-article-press-button ()
6098 "Check text at point for a callback function.
6099 If the text at point has a `gnus-callback' property,
6100 call it with the value of the `gnus-data' text property."
6102 (let ((data (get-text-property (point) 'gnus-data))
6103 (fun (get-text-property (point) 'gnus-callback)))
6105 (funcall fun data))))
6107 (defun gnus-article-highlight (&optional force)
6108 "Highlight current article.
6109 This function calls `gnus-article-highlight-headers',
6110 `gnus-article-highlight-citation',
6111 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
6112 do the highlighting. See the documentation for those functions."
6113 (interactive (list 'force))
6114 (gnus-article-highlight-headers)
6115 (gnus-article-highlight-citation force)
6116 (gnus-article-highlight-signature)
6117 (gnus-article-add-buttons force)
6118 (gnus-article-add-buttons-to-head))
6120 (defun gnus-article-highlight-some (&optional force)
6121 "Highlight current article.
6122 This function calls `gnus-article-highlight-headers',
6123 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
6124 do the highlighting. See the documentation for those functions."
6125 (interactive (list 'force))
6126 (gnus-article-highlight-headers)
6127 (gnus-article-highlight-signature)
6128 (gnus-article-add-buttons))
6130 (defun gnus-article-highlight-headers ()
6131 "Highlight article headers as specified by `gnus-header-face-alist'."
6134 (set-buffer gnus-article-buffer)
6136 (let ((alist gnus-header-face-alist)
6137 (buffer-read-only nil)
6138 (case-fold-search t)
6139 (inhibit-point-motion-hooks t)
6140 entry regexp header-face field-face from hpoints fpoints)
6141 (article-narrow-to-head)
6142 (while (setq entry (pop alist))
6143 (goto-char (point-min))
6144 (setq regexp (concat "^\\("
6145 (if (string-equal "" (nth 0 entry))
6149 header-face (nth 1 entry)
6150 field-face (nth 2 entry))
6151 (while (and (re-search-forward regexp nil t)
6155 (unless (search-forward ":" nil t)
6157 (when (and header-face
6158 (not (memq (point) hpoints)))
6159 (push (point) hpoints)
6160 (gnus-put-text-property from (point) 'face header-face))
6161 (when (and field-face
6162 (not (memq (setq from (point)) fpoints)))
6164 (if (re-search-forward "^[^ \t]" nil t)
6166 (goto-char (point-max)))
6167 (gnus-put-text-property from (point) 'face field-face))))))))
6169 (defun gnus-article-highlight-signature ()
6170 "Highlight the signature in an article.
6171 It does this by highlighting everything after
6172 `gnus-signature-separator' using `gnus-signature-face'."
6175 (set-buffer gnus-article-buffer)
6176 (let ((buffer-read-only nil)
6177 (inhibit-point-motion-hooks t))
6179 (when (and gnus-signature-face
6180 (gnus-article-narrow-to-signature))
6181 (gnus-overlay-put (gnus-make-overlay (point-min) (point-max))
6182 'face gnus-signature-face)
6184 (gnus-article-search-signature)
6185 (let ((start (match-beginning 0))
6186 (end (set-marker (make-marker) (1+ (match-end 0)))))
6187 (gnus-article-add-button start (1- end) 'gnus-signature-toggle
6190 (defun gnus-button-in-region-p (b e prop)
6191 "Say whether PROP exists in the region."
6192 (text-property-not-all b e prop nil))
6194 (defun gnus-article-add-buttons (&optional force)
6195 "Find external references in the article and make buttons of them.
6196 \"External references\" are things like Message-IDs and URLs, as
6197 specified by `gnus-button-alist'."
6198 (interactive (list 'force))
6200 (set-buffer gnus-article-buffer)
6201 (let ((buffer-read-only nil)
6202 (inhibit-point-motion-hooks t)
6203 (case-fold-search t)
6204 (alist gnus-button-alist)
6206 ;; Remove all old markers.
6207 (let (marker entry new-list)
6208 (while (setq marker (pop gnus-button-marker-list))
6209 (if (or (< marker (point-min)) (>= marker (point-max)))
6210 (push marker new-list)
6212 (when (setq entry (gnus-button-entry))
6213 (put-text-property (match-beginning (nth 1 entry))
6214 (match-end (nth 1 entry))
6215 'gnus-callback nil))
6216 (set-marker marker nil)))
6217 (setq gnus-button-marker-list new-list))
6218 ;; We skip the headers.
6221 (while (setq entry (pop alist))
6222 (setq regexp (eval (car entry)))
6224 (while (re-search-forward regexp nil t)
6225 (let* ((start (and entry (match-beginning (nth 1 entry))))
6226 (end (and entry (match-end (nth 1 entry))))
6227 (from (match-beginning 0)))
6228 (when (and (or (eq t (nth 2 entry))
6229 (eval (nth 2 entry)))
6230 (not (gnus-button-in-region-p
6231 start end 'gnus-callback)))
6232 ;; That optional form returned non-nil, so we add the
6234 (gnus-article-add-button
6235 start end 'gnus-button-push
6236 (car (push (set-marker (make-marker) from)
6237 gnus-button-marker-list))))))))))
6239 ;; Add buttons to the head of an article.
6240 (defun gnus-article-add-buttons-to-head ()
6241 "Add buttons to the head of the article."
6244 (set-buffer gnus-article-buffer)
6246 (let ((buffer-read-only nil)
6247 (inhibit-point-motion-hooks t)
6248 (case-fold-search t)
6249 (alist gnus-header-button-alist)
6251 (article-narrow-to-head)
6253 ;; Each alist entry.
6254 (setq entry (car alist)
6256 (goto-char (point-min))
6257 (while (re-search-forward (car entry) nil t)
6258 ;; Each header matching the entry.
6259 (setq beg (match-beginning 0))
6260 (setq end (or (and (re-search-forward "^[^ \t]" nil t)
6261 (match-beginning 0))
6264 (while (re-search-forward (eval (nth 1 entry)) end t)
6265 ;; Each match within a header.
6266 (let* ((entry (cdr entry))
6267 (start (match-beginning (nth 1 entry)))
6268 (end (match-end (nth 1 entry)))
6269 (form (nth 2 entry)))
6270 (goto-char (match-end 0))
6272 (gnus-article-add-button
6273 start end (nth 3 entry)
6274 (buffer-substring (match-beginning (nth 4 entry))
6275 (match-end (nth 4 entry)))))))
6276 (goto-char end)))))))
6278 ;;; External functions:
6280 (defun gnus-article-add-button (from to fun &optional data)
6281 "Create a button between FROM and TO with callback FUN and data DATA."
6282 (when gnus-article-button-face
6283 (gnus-overlay-put (gnus-make-overlay from to)
6284 'face gnus-article-button-face))
6285 (gnus-add-text-properties
6287 (nconc (and gnus-article-mouse-face
6288 (list gnus-mouse-face-prop gnus-article-mouse-face))
6289 (list 'gnus-callback fun)
6290 (and data (list 'gnus-data data))))
6291 (widget-convert-button 'link from to :action 'gnus-widget-press-button
6292 :button-keymap gnus-widget-button-keymap))
6294 ;;; Internal functions:
6296 (defun gnus-article-set-globals ()
6298 (set-buffer gnus-summary-buffer)
6299 (gnus-set-global-variables)))
6301 (defun gnus-signature-toggle (end)
6303 (set-buffer gnus-article-buffer)
6304 (let ((buffer-read-only nil)
6305 (inhibit-point-motion-hooks t))
6306 (if (text-property-any end (point-max) 'article-type 'signature)
6308 (gnus-delete-wash-type 'signature)
6309 (gnus-remove-text-properties-when
6310 'article-type 'signature end (point-max)
6311 (cons 'article-type (cons 'signature
6312 gnus-hidden-properties))))
6313 (gnus-add-wash-type 'signature)
6314 (gnus-add-text-properties-when
6315 'article-type nil end (point-max)
6316 (cons 'article-type (cons 'signature
6317 gnus-hidden-properties)))))
6318 (let ((gnus-article-mime-handle-alist-1 gnus-article-mime-handle-alist))
6319 (gnus-set-mode-line 'article))))
6321 (defun gnus-button-entry ()
6322 ;; Return the first entry in `gnus-button-alist' matching this place.
6323 (let ((alist gnus-button-alist)
6326 (setq entry (pop alist))
6327 (if (looking-at (eval (car entry)))
6332 (defun gnus-button-push (marker)
6333 ;; Push button starting at MARKER.
6336 (let* ((entry (gnus-button-entry))
6337 (inhibit-point-motion-hooks t)
6339 (args (mapcar (lambda (group)
6340 (let ((string (match-string group)))
6341 (gnus-set-text-properties
6342 0 (length string) nil string)
6349 (fboundp (symbol-value fun)))
6350 (apply (symbol-value fun) args))
6352 (gnus-message 1 "You must define `%S' to use this button"
6353 (cons fun args)))))))
6355 (defun gnus-parse-news-url (url)
6356 (let (scheme server group message-id articles)
6359 (goto-char (point-min))
6360 (when (looking-at "\\([A-Za-z]+\\):")
6361 (setq scheme (match-string 1))
6362 (goto-char (match-end 0)))
6363 (when (looking-at "//\\([^/]+\\)/")
6364 (setq server (match-string 1))
6365 (goto-char (match-end 0)))
6368 ((looking-at "\\(.*@.*\\)")
6369 (setq message-id (match-string 1)))
6370 ((looking-at "\\([^/]+\\)/\\([-0-9]+\\)")
6371 (setq group (match-string 1)
6372 articles (split-string (match-string 2) "-")))
6373 ((looking-at "\\([^/]+\\)/?")
6374 (setq group (match-string 1)))
6376 (error "Unknown news URL syntax"))))
6377 (list scheme server group message-id articles)))
6379 (defun gnus-button-handle-news (url)
6381 (destructuring-bind (scheme server group message-id articles)
6382 (gnus-parse-news-url url)
6386 (set-buffer gnus-summary-buffer)
6388 (let ((gnus-refer-article-method (list (list 'nntp server))))
6389 (gnus-summary-refer-article message-id))
6390 (gnus-summary-refer-article message-id))))
6392 (gnus-button-fetch-group url)))))
6394 (defun gnus-button-handle-man (url)
6396 (funcall gnus-button-man-handler url))
6398 (defun gnus-button-handle-info-url (url)
6399 "Fetch an info URL."
6401 ((string-match "^\\([^:/]+\\)?/\\(.*\\)" url)
6402 (gnus-info-find-node
6403 (concat "(" (or (gnus-url-unhex-string (match-string 1 url))
6405 ")" (gnus-url-unhex-string (match-string 2 url)))))
6406 ((string-match "([^)\"]+)[^\"]+" url)
6408 (gnus-replace-in-string
6409 (gnus-replace-in-string url "[\n\t ]+" " ") "\"" ""))
6410 (gnus-info-find-node url))
6411 (t (error "Can't parse %s" url))))
6413 (defun gnus-button-handle-info-keystrokes (url)
6414 "Call `info' when pushing the corresponding URL button."
6415 ;; For links like `C-h i d m gnus RET', `C-h i d m CC Mode RET'.
6420 (defun gnus-button-message-id (message-id)
6423 (set-buffer gnus-summary-buffer)
6424 (gnus-summary-refer-article message-id)))
6426 (defun gnus-button-fetch-group (address)
6427 "Fetch GROUP specified by ADDRESS."
6428 (if (not (string-match "[:/]" address))
6429 ;; This is just a simple group url.
6430 (gnus-group-read-ephemeral-group address gnus-select-method)
6433 "^\\([^:/]+\\)\\(:\\([^/]+\\)\\)?/\\([^/]+\\)\\(/\\([0-9]+\\)\\)?"
6435 (error "Can't parse %s" address)
6436 (gnus-group-read-ephemeral-group
6437 (match-string 4 address)
6438 `(nntp ,(match-string 1 address)
6439 (nntp-address ,(match-string 1 address))
6440 (nntp-port-number ,(if (match-end 3)
6441 (match-string 3 address)
6444 (and (match-end 6) (list (string-to-int (match-string 6 address))))))))
6446 (defun gnus-url-parse-query-string (query &optional downcase)
6447 (let (retval pairs cur key val)
6448 (setq pairs (split-string query "&"))
6450 (setq cur (car pairs)
6452 (if (not (string-match "=" cur))
6454 (setq key (gnus-url-unhex-string (substring cur 0 (match-beginning 0)))
6455 val (gnus-url-unhex-string (substring cur (match-end 0) nil) t))
6457 (setq key (downcase key)))
6458 (setq cur (assoc key retval))
6460 (setcdr cur (cons val (cdr cur)))
6461 (setq retval (cons (list key val) retval)))))
6464 (defun gnus-url-mailto (url)
6465 ;; Send mail to someone
6466 (when (string-match "mailto:/*\\(.*\\)" url)
6467 (setq url (substring url (match-beginning 1) nil)))
6468 (let (to args subject func)
6469 (if (string-match (regexp-quote "?") url)
6470 (setq to (gnus-url-unhex-string (substring url 0 (match-beginning 0)))
6471 args (gnus-url-parse-query-string
6472 (substring url (match-end 0) nil) t))
6473 (setq to (gnus-url-unhex-string url)))
6474 (setq args (cons (list "to" to) args)
6475 subject (cdr-safe (assoc "subject" args)))
6478 (setq func (intern-soft (concat "message-goto-" (downcase (caar args)))))
6481 (message-position-on-field (caar args)))
6482 (insert (mapconcat 'identity (cdar args) ", "))
6483 (setq args (cdr args)))
6486 (message-goto-subject))))
6488 (defun gnus-button-embedded-url (address)
6489 "Activate ADDRESS with `browse-url'."
6490 (browse-url (gnus-strip-whitespace address)))
6492 ;;; Next/prev buttons in the article buffer.
6494 (defvar gnus-next-page-line-format "%{%(Next page...%)%}\n")
6495 (defvar gnus-prev-page-line-format "%{%(Previous page...%)%}\n")
6497 (defvar gnus-prev-page-map
6498 (let ((map (make-sparse-keymap)))
6499 (unless (>= emacs-major-version 21)
6500 ;; XEmacs doesn't care.
6501 (set-keymap-parent map gnus-article-mode-map))
6502 (define-key map gnus-mouse-2 'gnus-button-prev-page)
6503 (define-key map "\r" 'gnus-button-prev-page)
6506 (defun gnus-insert-prev-page-button ()
6508 (buffer-read-only nil))
6510 gnus-prev-page-line-format nil
6511 `(,@(gnus-local-map-property gnus-prev-page-map)
6513 gnus-callback gnus-article-button-prev-page
6514 article-type annotation))
6515 (widget-convert-button
6517 ;; Exclude a newline.
6520 :action 'gnus-button-prev-page
6521 :button-keymap gnus-prev-page-map)))
6523 (defvar gnus-prev-page-map
6524 (let ((map (make-sparse-keymap)))
6525 (unless (>= emacs-major-version 21)
6526 ;; XEmacs doesn't care.
6527 (set-keymap-parent map gnus-article-mode-map))
6528 (define-key map gnus-mouse-2 'gnus-button-prev-page)
6529 (define-key map "\r" 'gnus-button-prev-page)
6532 (defvar gnus-next-page-map
6533 (let ((map (make-sparse-keymap)))
6534 (unless (>= emacs-major-version 21)
6535 ;; XEmacs doesn't care.
6536 (set-keymap-parent map gnus-article-mode-map))
6537 (define-key map gnus-mouse-2 'gnus-button-next-page)
6538 (define-key map "\r" 'gnus-button-next-page)
6541 (defun gnus-button-next-page (&optional args more-args)
6542 "Go to the next page."
6544 (let ((win (selected-window)))
6545 (select-window (gnus-get-buffer-window gnus-article-buffer t))
6546 (gnus-article-next-page)
6547 (select-window win)))
6549 (defun gnus-button-prev-page (&optional args more-args)
6550 "Go to the prev page."
6552 (let ((win (selected-window)))
6553 (select-window (gnus-get-buffer-window gnus-article-buffer t))
6554 (gnus-article-prev-page)
6555 (select-window win)))
6557 (defun gnus-insert-next-page-button ()
6559 (buffer-read-only nil))
6560 (gnus-eval-format gnus-next-page-line-format nil
6561 `(,@(gnus-local-map-property gnus-next-page-map)
6563 gnus-callback gnus-article-button-next-page
6564 article-type annotation))
6565 (widget-convert-button
6567 ;; Exclude a newline.
6570 :action 'gnus-button-next-page
6571 :button-keymap gnus-next-page-map)))
6573 (defun gnus-article-button-next-page (arg)
6574 "Go to the next page."
6576 (let ((win (selected-window)))
6577 (select-window (gnus-get-buffer-window gnus-article-buffer t))
6578 (gnus-article-next-page)
6579 (select-window win)))
6581 (defun gnus-article-button-prev-page (arg)
6582 "Go to the prev page."
6584 (let ((win (selected-window)))
6585 (select-window (gnus-get-buffer-window gnus-article-buffer t))
6586 (gnus-article-prev-page)
6587 (select-window win)))
6589 (defvar gnus-decode-header-methods
6590 '(mail-decode-encoded-word-region)
6591 "List of methods used to decode headers.
6593 This variable is a list of FUNCTION or (REGEXP . FUNCTION). If item
6594 is FUNCTION, FUNCTION will be apply to all newsgroups. If item is a
6595 \(REGEXP . FUNCTION), FUNCTION will be only apply to thes newsgroups
6596 whose names match REGEXP.
6599 \((\"chinese\" . gnus-decode-encoded-word-region-by-guess)
6600 mail-decode-encoded-word-region
6601 (\"chinese\" . rfc1843-decode-region))
6604 (defvar gnus-decode-header-methods-cache nil)
6606 (defun gnus-multi-decode-header (start end)
6607 "Apply the functions from `gnus-encoded-word-methods' that match."
6608 (unless (and gnus-decode-header-methods-cache
6609 (eq gnus-newsgroup-name
6610 (car gnus-decode-header-methods-cache)))
6611 (setq gnus-decode-header-methods-cache (list gnus-newsgroup-name))
6614 (nconc gnus-decode-header-methods-cache (list x))
6615 (if (and gnus-newsgroup-name
6616 (string-match (car x) gnus-newsgroup-name))
6617 (nconc gnus-decode-header-methods-cache
6619 gnus-decode-header-methods))
6620 (let ((xlist gnus-decode-header-methods-cache))
6623 (narrow-to-region start end)
6625 (funcall (pop xlist) (point-min) (point-max))))))
6628 ;;; Treatment top-level handling.
6631 (defun gnus-treat-article (condition &optional part-number total-parts type)
6632 (let ((length (- (point-max) (point-min)))
6633 (alist gnus-treatment-function-alist)
6634 (article-goto-body-goes-to-point-min-p t)
6638 (let ((list gnus-article-treat-types))
6640 (when (string-match (pop list) type)
6641 (throw 'found t)))))))
6642 (highlightp (gnus-visual-p 'article-highlight 'highlight))
6644 (gnus-run-hooks 'gnus-part-display-hook)
6645 (dolist (elem alist)
6648 (when (gnus-buffer-live-p gnus-summary-buffer)
6649 (set-buffer gnus-summary-buffer))
6650 (symbol-value (car elem))))
6651 (when (and (or (consp val)
6653 (gnus-treat-predicate val)
6654 (or (not (get (car elem) 'highlight))
6657 (funcall (cadr elem)))))))
6659 ;; Dynamic variables.
6661 (defvar part-number)
6662 (defvar total-parts)
6667 (defun gnus-treat-predicate (val)
6674 (stringp (car val)))
6675 (apply 'gnus-or (mapcar `(lambda (s)
6676 (string-match s ,(or gnus-newsgroup-name "")))
6679 (let ((pred (pop val)))
6682 (apply 'gnus-or (mapcar 'gnus-treat-predicate val)))
6684 (apply 'gnus-and (mapcar 'gnus-treat-predicate val)))
6686 (not (gnus-treat-predicate (car val))))
6688 (equal (car val) type))
6690 (error "%S is not a valid predicate" pred)))))
6696 (eq part-number total-parts))
6700 (error "%S is not a valid value" val))))
6702 (defun gnus-article-encrypt-body (protocol &optional n)
6703 "Encrypt the article body."
6706 (or gnus-article-encrypt-protocol
6707 (completing-read "Encrypt protocol: "
6708 gnus-article-encrypt-protocol-alist
6710 current-prefix-arg))
6711 (let ((func (cdr (assoc protocol gnus-article-encrypt-protocol-alist))))
6713 (error (format "Can't find the encrypt protocol %s" protocol)))
6714 (if (member gnus-newsgroup-name '("nndraft:delayed"
6717 (error "Can't encrypt the article in group %s"
6718 gnus-newsgroup-name))
6719 (gnus-summary-iterate n
6721 (set-buffer gnus-summary-buffer)
6722 (let ((mail-parse-charset gnus-newsgroup-charset)
6723 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets)
6724 (summary-buffer gnus-summary-buffer)
6726 (gnus-set-global-variables)
6727 (when (gnus-group-read-only-p)
6728 (error "The current newsgroup does not support article encrypt"))
6729 (gnus-summary-show-article t)
6731 (or (mail-header-references gnus-current-headers) ""))
6732 (set-buffer gnus-article-buffer)
6733 (let* ((buffer-read-only nil)
6735 (mapcar (lambda (field)
6736 (and (save-restriction
6737 (message-narrow-to-head)
6738 (goto-char (point-min))
6739 (search-forward field nil t))
6741 (message-narrow-to-field)
6743 (delete-region (point-min) (point-max))
6745 '("Content-Type:" "Content-Transfer-Encoding:"
6746 "Content-Disposition:"))))
6747 (message-narrow-to-head)
6748 (message-remove-header "MIME-Version")
6749 (goto-char (point-max))
6750 (setq point (point))
6751 (insert (apply 'concat headers))
6753 (narrow-to-region point (point-max))
6754 (let ((message-options message-options))
6755 (message-options-set 'message-sender user-mail-address)
6756 (message-options-set 'message-recipients user-mail-address)
6757 (message-options-set 'message-sign-encrypt 'not)
6759 (goto-char (point-min))
6760 (insert "MIME-Version: 1.0\n")
6762 (gnus-summary-edit-article-done
6763 references nil summary-buffer t))
6764 (when gnus-keep-backlog
6765 (gnus-backlog-remove-article
6766 (car gnus-article-current) (cdr gnus-article-current)))
6768 (when (get-buffer gnus-original-article-buffer)
6769 (set-buffer gnus-original-article-buffer)
6770 (setq gnus-original-article nil)))
6771 (when gnus-use-cache
6772 (gnus-cache-update-article
6773 (car gnus-article-current) (cdr gnus-article-current))))))))
6775 (defvar gnus-mime-security-button-line-format "%{%([[%t:%i]%D]%)%}\n"
6776 "The following specs can be used:
6777 %t The security MIME type
6780 %D Details if button is pressed")
6782 (defvar gnus-mime-security-button-end-line-format "%{%([[End of %t]%D]%)%}\n"
6783 "The following specs can be used:
6784 %t The security MIME type
6787 %D Details if button is pressed")
6789 (defvar gnus-mime-security-button-line-format-alist
6790 '((?t gnus-tmp-type ?s)
6791 (?i gnus-tmp-info ?s)
6792 (?d gnus-tmp-details ?s)
6793 (?D gnus-tmp-pressed-details ?s)))
6795 (defvar gnus-mime-security-button-map
6796 (let ((map (make-sparse-keymap)))
6797 (unless (>= (string-to-number emacs-version) 21)
6798 (set-keymap-parent map gnus-article-mode-map))
6799 (define-key map gnus-mouse-2 'gnus-article-push-button)
6800 (define-key map "\r" 'gnus-article-press-button)
6803 (defvar gnus-mime-security-details-buffer nil)
6805 (defvar gnus-mime-security-button-pressed nil)
6807 (defvar gnus-mime-security-show-details-inline t
6808 "If non-nil, show details in the article buffer.")
6810 (defun gnus-mime-security-verify-or-decrypt (handle)
6811 (mm-remove-parts (cdr handle))
6812 (let ((region (mm-handle-multipart-ctl-parameter handle 'gnus-region))
6813 point buffer-read-only)
6815 (goto-char (car region)))
6817 (narrow-to-region (point) (point))
6818 (with-current-buffer (mm-handle-multipart-original-buffer handle)
6819 (let* ((mm-verify-option 'known)
6820 (mm-decrypt-option 'known)
6821 (nparts (mm-possibly-verify-or-decrypt (cdr handle) handle)))
6822 (unless (eq nparts (cdr handle))
6823 (mm-destroy-parts (cdr handle))
6824 (setcdr handle nparts))))
6825 (setq point (point))
6826 (gnus-mime-display-security handle)
6827 (goto-char (point-max)))
6829 (delete-region (point) (cdr region))
6830 (set-marker (car region) nil)
6831 (set-marker (cdr region) nil))
6834 (defun gnus-mime-security-show-details (handle)
6835 (let ((details (mm-handle-multipart-ctl-parameter handle 'gnus-details)))
6837 (gnus-message 5 "No details.")
6838 (if gnus-mime-security-show-details-inline
6839 (let ((gnus-mime-security-button-pressed
6840 (not (get-text-property (point) 'gnus-mime-details)))
6841 (gnus-mime-security-button-line-format
6842 (get-text-property (point) 'gnus-line-format))
6845 (while (eq (get-text-property (point) 'gnus-line-format)
6846 gnus-mime-security-button-line-format)
6850 (narrow-to-region (point) (point))
6851 (gnus-insert-mime-security-button handle))
6852 (delete-region (point)
6853 (or (text-property-not-all
6856 gnus-mime-security-button-line-format)
6859 (if (gnus-buffer-live-p gnus-mime-security-details-buffer)
6860 (with-current-buffer gnus-mime-security-details-buffer
6863 (setq gnus-mime-security-details-buffer
6864 (gnus-get-buffer-create "*MIME Security Details*")))
6865 (with-current-buffer gnus-mime-security-details-buffer
6867 (goto-char (point-min)))
6868 (pop-to-buffer gnus-mime-security-details-buffer)))))
6870 (defun gnus-mime-security-press-button (handle)
6872 (if (mm-handle-multipart-ctl-parameter handle 'gnus-info)
6873 (gnus-mime-security-show-details handle)
6874 (gnus-mime-security-verify-or-decrypt handle))))
6876 (defun gnus-insert-mime-security-button (handle &optional displayed)
6877 (let* ((protocol (mm-handle-multipart-ctl-parameter handle 'protocol))
6880 (or (nth 2 (assoc protocol mm-verify-function-alist))
6881 (nth 2 (assoc protocol mm-decrypt-function-alist))
6883 (if (equal (car handle) "multipart/signed")
6884 " Signed" " Encrypted")
6887 (or (mm-handle-multipart-ctl-parameter handle 'gnus-info)
6890 (mm-handle-multipart-ctl-parameter handle 'gnus-details))
6891 gnus-tmp-pressed-details
6893 (setq gnus-tmp-details
6894 (if gnus-tmp-details
6895 (concat "\n" gnus-tmp-details)
6897 (setq gnus-tmp-pressed-details
6898 (if gnus-mime-security-button-pressed gnus-tmp-details ""))
6903 gnus-mime-security-button-line-format
6904 gnus-mime-security-button-line-format-alist
6905 `(,@(gnus-local-map-property gnus-mime-security-button-map)
6906 gnus-callback gnus-mime-security-press-button
6907 gnus-line-format ,gnus-mime-security-button-line-format
6908 gnus-mime-details ,gnus-mime-security-button-pressed
6909 article-type annotation
6912 ;; Exclude a newline.
6915 (widget-convert-button
6918 :action 'gnus-widget-press-button
6919 :button-keymap gnus-mime-security-button-map
6921 (lambda (widget/window &optional overlay pos)
6922 ;; Needed to properly clear the message due to a bug in
6923 ;; wid-edit (XEmacs only).
6924 (when (boundp 'help-echo-owns-message)
6925 (setq help-echo-owns-message t))
6928 (aref gnus-mouse-2 0))))))
6930 (defun gnus-mime-display-security (handle)
6932 (narrow-to-region (point) (point))
6933 (unless (gnus-unbuttonized-mime-type-p (car handle))
6934 (gnus-insert-mime-security-button handle))
6935 (gnus-mime-display-mixed (cdr handle))
6938 (unless (gnus-unbuttonized-mime-type-p (car handle))
6939 (let ((gnus-mime-security-button-line-format
6940 gnus-mime-security-button-end-line-format))
6941 (gnus-insert-mime-security-button handle)))
6942 (mm-set-handle-multipart-parameter
6944 (cons (set-marker (make-marker) (point-min))
6945 (set-marker (make-marker) (point-max))))))
6951 (run-hooks 'gnus-art-load-hook)
6953 ;;; gnus-art.el ends here