1 ;;; gnus-art.el --- article mode commands for Gnus
2 ;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
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.
31 (defvar tool-bar-map))
46 (autoload 'gnus-msg-mail "gnus-msg" nil t)
47 (autoload 'gnus-button-mailto "gnus-msg")
48 (autoload 'gnus-button-reply "gnus-msg" nil t)
49 (autoload 'ansi-color-apply-on-region "ansi-color")
51 (defgroup gnus-article nil
53 :link '(custom-manual "(gnus)Article Buffer")
56 (defgroup gnus-article-treat nil
57 "Treating article parts."
58 :link '(custom-manual "(gnus)Article Hiding")
61 (defgroup gnus-article-hiding nil
62 "Hiding article parts."
63 :link '(custom-manual "(gnus)Article Hiding")
66 (defgroup gnus-article-highlight nil
67 "Article highlighting."
68 :link '(custom-manual "(gnus)Article Highlighting")
72 (defgroup gnus-article-signature nil
74 :link '(custom-manual "(gnus)Article Signature")
77 (defgroup gnus-article-headers nil
79 :link '(custom-manual "(gnus)Hiding Headers")
82 (defgroup gnus-article-washing nil
83 "Special commands on articles."
84 :link '(custom-manual "(gnus)Article Washing")
87 (defgroup gnus-article-emphasis nil
88 "Fontisizing articles."
89 :link '(custom-manual "(gnus)Article Fontisizing")
92 (defgroup gnus-article-saving nil
94 :link '(custom-manual "(gnus)Saving Articles")
97 (defgroup gnus-article-mime nil
98 "Worshiping the MIME wonder."
99 :link '(custom-manual "(gnus)Using MIME")
100 :group 'gnus-article)
102 (defgroup gnus-article-buttons nil
103 "Pushable buttons in the article buffer."
104 :link '(custom-manual "(gnus)Article Buttons")
105 :group 'gnus-article)
107 (defgroup gnus-article-various nil
108 "Other article options."
109 :link '(custom-manual "(gnus)Misc Article")
110 :group 'gnus-article)
112 (defcustom gnus-ignored-headers
115 (concat "^" header ":"))
116 '("Path" "Expires" "Date-Received" "References" "Xref" "Lines"
117 "Relay-Version" "Message-ID" "Approved" "Sender" "Received"
118 "X-UIDL" "MIME-Version" "Return-Path" "In-Reply-To"
119 "Content-Type" "Content-Transfer-Encoding" "X-WebTV-Signature"
120 "X-MimeOLE" "X-MSMail-Priority" "X-Priority" "X-Loop"
121 "X-Authentication-Warning" "X-MIME-Autoconverted" "X-Face"
122 "X-Attribution" "X-Originating-IP" "Delivered-To"
123 "NNTP-[-A-Za-z]+" "Distribution" "X-no-archive" "X-Trace"
124 "X-Complaints-To" "X-NNTP-Posting-Host" "X-Orig.*"
125 "Abuse-Reports-To" "Cache-Post-Path" "X-Article-Creation-Date"
126 "X-Poster" "X-Mail2News-Path" "X-Server-Date" "X-Cache"
127 "Originator" "X-Problems-To" "X-Auth-User" "X-Post-Time"
128 "X-Admin" "X-UID" "Resent-[-A-Za-z]+" "X-Mailing-List"
129 "Precedence" "Original-[-A-Za-z]+" "X-filename" "X-Orcpt"
130 "Old-Received" "X-Pgp" "X-Auth" "X-From-Line"
131 "X-Gnus-Article-Number" "X-Majordomo" "X-Url" "X-Sender"
132 "MBOX-Line" "Priority" "X400-[-A-Za-z]+"
133 "Status" "X-Gnus-Mail-Source" "Cancel-Lock"
134 "X-FTN" "X-EXP32-SerialNo" "Encoding" "Importance"
135 "Autoforwarded" "Original-Encoded-Information-Types" "X-Ya-Pop3"
136 "X-Face-Version" "X-Vms-To" "X-ML-NAME" "X-ML-COUNT"
137 "Mailing-List" "X-finfo" "X-md5sum" "X-md5sum-Origin"
138 "X-Sun-Charset" "X-Accept-Language" "X-Envelope-Sender"
139 "List-[A-Za-z]+" "X-Listprocessor-Version"
140 "X-Received" "X-Distribute" "X-Sequence" "X-Juno-Line-Breaks"
141 "X-Notes-Item" "X-MS-TNEF-Correlator" "x-uunet-gateway"
142 "X-Received" "Content-length" "X-precedence"
143 "X-Authenticated-User" "X-Comment" "X-Report" "X-Abuse-Info"
144 "X-HTTP-Proxy" "X-Mydeja-Info" "X-Copyright" "X-No-Markup"
145 "X-Abuse-Info" "X-From_" "X-Accept-Language" "Errors-To"
146 "X-BeenThere" "X-Mailman-Version" "List-Help" "List-Post"
147 "List-Subscribe" "List-Id" "List-Unsubscribe" "List-Archive"
148 "X-Content-length" "X-Posting-Agent" "Original-Received"
149 "X-Request-PGP" "X-Fingerprint" "X-WRIEnvto" "X-WRIEnvfrom"
150 "X-Virus-Scanned" "X-Delivery-Agent" "Posted-Date" "X-Gateway"
151 "X-Local-Origin" "X-Local-Destination" "X-UserInfo1"
152 "X-Received-Date" "X-Hashcash" "Face" "X-DMCA-Notifications"
153 "X-Abuse-and-DMCA-Info" "X-Postfilter" "X-Gpg-.*" "X-Disclaimer"))
154 "*All headers that start with this regexp will be hidden.
155 This variable can also be a list of regexps of headers to be ignored.
156 If `gnus-visible-headers' is non-nil, this variable will be ignored."
157 :type '(choice :custom-show nil
160 :group 'gnus-article-hiding)
162 (defcustom gnus-visible-headers
163 "^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:"
164 "*All headers that do not match this regexp will be hidden.
165 This variable can also be a list of regexp of headers to remain visible.
166 If this variable is non-nil, `gnus-ignored-headers' will be ignored."
167 :type '(repeat :value-to-internal (lambda (widget value)
168 (custom-split-regexp-maybe value))
169 :match (lambda (widget value)
171 (widget-editable-list-match widget value)))
173 :group 'gnus-article-hiding)
175 (defcustom gnus-sorted-header-list
176 '("^From:" "^Subject:" "^Summary:" "^Keywords:" "^Newsgroups:"
177 "^Followup-To:" "^To:" "^Cc:" "^Date:" "^Organization:")
178 "*This variable is a list of regular expressions.
179 If it is non-nil, headers that match the regular expressions will
180 be placed first in the article buffer in the sequence specified by
182 :type '(repeat regexp)
183 :group 'gnus-article-hiding)
185 (defcustom gnus-boring-article-headers '(empty followup-to reply-to)
186 "Headers that are only to be displayed if they have interesting data.
187 Possible values in this list are:
189 'empty Headers with no content.
190 'newsgroups Newsgroup identical to Gnus group.
191 'to-address To identical to To-address.
192 'to-list To identical to To-list.
193 'cc-list CC identical to To-list.
194 'followup-to Followup-to identical to Newsgroups.
195 'reply-to Reply-to identical to From.
196 'date Date less than four days old.
197 'long-to To and/or Cc longer than 1024 characters.
198 'many-to Multiple To and/or Cc."
199 :type '(set (const :tag "Headers with no content." empty)
200 (const :tag "Newsgroups identical to Gnus group." newsgroups)
201 (const :tag "To identical to To-address." to-address)
202 (const :tag "To identical to To-list." to-list)
203 (const :tag "CC identical to To-list." cc-list)
204 (const :tag "Followup-to identical to Newsgroups." followup-to)
205 (const :tag "Reply-to identical to From." reply-to)
206 (const :tag "Date less than four days old." date)
207 (const :tag "To and/or Cc longer than 1024 characters." long-to)
208 (const :tag "Multiple To and/or Cc headers." many-to))
209 :group 'gnus-article-hiding)
211 (defcustom gnus-article-skip-boring nil
212 "Skip over text that is not worth reading.
213 By default, if you set this t, then Gnus will display citations and
214 signatures, but will never scroll down to show you a page consisting
215 only of boring text. Boring text is controlled by
216 `gnus-article-boring-faces'."
218 :group 'gnus-article-hiding)
220 (defcustom gnus-signature-separator '("^-- $" "^-- *$")
221 "Regexp matching signature separator.
222 This can also be a list of regexps. In that case, it will be checked
223 from head to tail looking for a separator. Searches will be done from
224 the end of the buffer."
225 :type '(repeat string)
226 :group 'gnus-article-signature)
228 (defcustom gnus-signature-limit nil
229 "Provide a limit to what is considered a signature.
230 If it is a number, no signature may not be longer (in characters) than
231 that number. If it is a floating point number, no signature may be
232 longer (in lines) than that number. If it is a function, the function
233 will be called without any parameters, and if it returns nil, there is
234 no signature in the buffer. If it is a string, it will be used as a
235 regexp. If it matches, the text in question is not a signature.
237 This can also be a list of the above values."
238 :type '(choice (integer :value 200)
240 (function :value fun)
241 (regexp :value ".*"))
242 :group 'gnus-article-signature)
244 (defcustom gnus-hidden-properties '(invisible t intangible t)
245 "Property list to use for hiding text."
247 :group 'gnus-article-hiding)
249 ;; Fixme: This isn't the right thing for mixed graphical and non-graphical
250 ;; frames in a session.
251 (defcustom gnus-article-x-face-command
252 (if (featurep 'xemacs)
253 (if (or (gnus-image-type-available-p 'xface)
254 (gnus-image-type-available-p 'pbm))
255 'gnus-display-x-face-in-from
256 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | ee -")
257 (if (gnus-image-type-available-p 'pbm)
258 'gnus-display-x-face-in-from
259 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | \
261 "*String or function to be executed to display an X-Face header.
262 If it is a string, the command will be executed in a sub-shell
263 asynchronously. The compressed face will be piped to this command."
264 :type `(choice string
265 (function-item gnus-display-x-face-in-from)
269 :group 'gnus-article-washing)
271 (defcustom gnus-article-x-face-too-ugly nil
272 "Regexp matching posters whose face shouldn't be shown automatically."
273 :type '(choice regexp (const nil))
274 :group 'gnus-article-washing)
276 (defcustom gnus-article-banner-alist nil
277 "Banner alist for stripping.
279 ((egroups . \"^[ \\t\\n]*-------------------+\\\\( \\\\(e\\\\|Yahoo! \\\\)Groups Sponsor -+\\\\)?....\\n\\\\(.+\\n\\\\)+\"))"
281 :type '(repeat (cons symbol regexp))
282 :group 'gnus-article-washing)
284 (gnus-define-group-parameter
287 "Alist of regexps (to match group names) and banner."
288 :variable-group gnus-article-washing
290 '(choice :tag "Banner"
292 (const :tag "Remove signature" signature)
293 (symbol :tag "Item in `gnus-article-banner-alist'" none)
295 (const :tag "None" nil))
297 "If non-nil, specify how to remove `banners' from articles.
299 Symbol `signature' means to remove signatures delimited by
300 `gnus-signature-separator'. Any other symbol is used to look up a
301 regular expression to match the banner in `gnus-article-banner-alist'.
302 A string is used as a regular expression to match the banner
305 (defcustom gnus-article-address-banner-alist nil
306 "Alist of mail addresses and banners.
307 Each element has the form (ADDRESS . BANNER), where ADDRESS is a regexp
308 to match a mail address in the From: header, BANNER is one of a symbol
309 `signature', an item in `gnus-article-banner-alist', a regexp and nil.
310 If ADDRESS matches author's mail address, it will remove things like
311 advertisements. For example:
313 \((\"@yoo-hoo\\\\.co\\\\.jp\\\\'\" . \"\\n_+\\nDo You Yoo-hoo!\\\\?\\n.*\\n.*\\n\"))
317 (regexp :tag "Address")
318 (choice :tag "Banner" :value nil
319 (const :tag "Remove signature" signature)
320 (symbol :tag "Item in `gnus-article-banner-alist'" none)
322 (const :tag "None" nil))))
323 :group 'gnus-article-washing)
325 (defcustom gnus-emphasis-alist
327 "\\(\\s-\\|^\\|\\=\\|[-\"]\\|\\s(\\)\\(%s\\(\\w+\\(\\s-+\\w+\\)*[.,]?\\)%s\\)\\(\\([-,.;:!?\"]\\|\\s)\\)+\\s-\\|[?!.]\\s-\\|\\s)\\|\\s-\\)")
332 ("_/" "/_" underline-italic)
333 ("_\\*" "\\*_" underline-bold)
334 ("\\*/" "/\\*" bold-italic)
335 ("_\\*/" "/\\*_" underline-bold-italic))))
339 (format format (car spec) (cadr spec))
340 2 3 (intern (format "gnus-emphasis-%s" (nth 2 spec)))))
342 ("\\(\\s-\\|^\\)\\(_\\(\\(\\w\\|_[^_]\\)+\\)_\\)\\(\\s-\\|[?!.,;]\\)"
343 2 3 gnus-emphasis-underline)))
344 "*Alist that says how to fontify certain phrases.
345 Each item looks like this:
347 (\"_\\\\(\\\\w+\\\\)_\" 0 1 'underline)
349 The first element is a regular expression to be matched. The second
350 is a number that says what regular expression grouping used to find
351 the entire emphasized word. The third is a number that says what
352 regexp grouping should be displayed and highlighted. The fourth
353 is the face used for highlighting."
354 :type '(repeat (list :value ("" 0 0 default)
356 (integer :tag "Match group")
357 (integer :tag "Emphasize group")
359 :group 'gnus-article-emphasis)
361 (defcustom gnus-emphasize-whitespace-regexp "^[ \t]+\\|[ \t]*\n"
362 "A regexp to describe whitespace which should not be emphasized.
363 Typical values are \"^[ \\t]+\\\\|[ \\t]*\\n\" and \"[ \\t]+\\\\|[ \\t]*\\n\".
364 The former avoids underlining of leading and trailing whitespace,
365 and the latter avoids underlining any whitespace at all."
367 :group 'gnus-article-emphasis
370 (defface gnus-emphasis-bold '((t (:bold t)))
371 "Face used for displaying strong emphasized text (*word*)."
372 :group 'gnus-article-emphasis)
374 (defface gnus-emphasis-italic '((t (:italic t)))
375 "Face used for displaying italic emphasized text (/word/)."
376 :group 'gnus-article-emphasis)
378 (defface gnus-emphasis-underline '((t (:underline t)))
379 "Face used for displaying underlined emphasized text (_word_)."
380 :group 'gnus-article-emphasis)
382 (defface gnus-emphasis-underline-bold '((t (:bold t :underline t)))
383 "Face used for displaying underlined bold emphasized text (_*word*_)."
384 :group 'gnus-article-emphasis)
386 (defface gnus-emphasis-underline-italic '((t (:italic t :underline t)))
387 "Face used for displaying underlined italic emphasized text (_/word/_)."
388 :group 'gnus-article-emphasis)
390 (defface gnus-emphasis-bold-italic '((t (:bold t :italic t)))
391 "Face used for displaying bold italic emphasized text (/*word*/)."
392 :group 'gnus-article-emphasis)
394 (defface gnus-emphasis-underline-bold-italic
395 '((t (:bold t :italic t :underline t)))
396 "Face used for displaying underlined bold italic emphasized text.
397 Example: (_/*word*/_)."
398 :group 'gnus-article-emphasis)
400 (defface gnus-emphasis-strikethru (if (featurep 'xemacs)
401 '((t (:strikethru t)))
402 '((t (:strike-through t))))
403 "Face used for displaying strike-through text (-word-)."
404 :group 'gnus-article-emphasis)
406 (defface gnus-emphasis-highlight-words
407 '((t (:background "black" :foreground "yellow")))
408 "Face used for displaying highlighted words."
409 :group 'gnus-article-emphasis)
411 (defcustom gnus-article-time-format "%a, %b %d %Y %T %Z"
412 "Format for display of Date headers in article bodies.
413 See `format-time-string' for the possible values.
415 The variable can also be function, which should return a complete Date
416 header. The function is called with one argument, the time, which can
417 be fed to `format-time-string'."
418 :type '(choice string symbol)
419 :link '(custom-manual "(gnus)Article Date")
420 :group 'gnus-article-washing)
423 (autoload 'mail-extract-address-components "mail-extr"))
425 (defcustom gnus-save-all-headers t
426 "*If non-nil, don't remove any headers before saving."
427 :group 'gnus-article-saving
430 (defcustom gnus-prompt-before-saving 'always
431 "*This variable says how much prompting is to be done when saving articles.
432 If it is nil, no prompting will be done, and the articles will be
433 saved to the default files. If this variable is `always', each and
434 every article that is saved will be preceded by a prompt, even when
435 saving large batches of articles. If this variable is neither nil not
436 `always', there the user will be prompted once for a file name for
437 each invocation of the saving commands."
438 :group 'gnus-article-saving
439 :type '(choice (item always)
440 (item :tag "never" nil)
441 (sexp :tag "once" :format "%t\n" :value t)))
443 (defcustom gnus-saved-headers gnus-visible-headers
444 "Headers to keep if `gnus-save-all-headers' is nil.
445 If `gnus-save-all-headers' is non-nil, this variable will be ignored.
446 If that variable is nil, however, all headers that match this regexp
447 will be kept while the rest will be deleted before saving."
448 :group 'gnus-article-saving
451 (defcustom gnus-default-article-saver 'gnus-summary-save-in-rmail
452 "A function to save articles in your favourite format.
453 The function must be interactively callable (in other words, it must
454 be an Emacs command).
456 Gnus provides the following functions:
458 * gnus-summary-save-in-rmail (Rmail format)
459 * gnus-summary-save-in-mail (Unix mail format)
460 * gnus-summary-save-in-folder (MH folder)
461 * gnus-summary-save-in-file (article format)
462 * gnus-summary-save-body-in-file (article body)
463 * gnus-summary-save-in-vm (use VM's folder format)
464 * gnus-summary-write-to-file (article format -- overwrite)."
465 :group 'gnus-article-saving
466 :type '(radio (function-item gnus-summary-save-in-rmail)
467 (function-item gnus-summary-save-in-mail)
468 (function-item gnus-summary-save-in-folder)
469 (function-item gnus-summary-save-in-file)
470 (function-item gnus-summary-save-body-in-file)
471 (function-item gnus-summary-save-in-vm)
472 (function-item gnus-summary-write-to-file)))
474 (defcustom gnus-rmail-save-name 'gnus-plain-save-name
475 "A function generating a file name to save articles in Rmail format.
476 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
477 :group 'gnus-article-saving
480 (defcustom gnus-mail-save-name 'gnus-plain-save-name
481 "A function generating a file name to save articles in Unix mail format.
482 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
483 :group 'gnus-article-saving
486 (defcustom gnus-folder-save-name 'gnus-folder-save-name
487 "A function generating a file name to save articles in MH folder.
488 The function is called with NEWSGROUP, HEADERS, and optional LAST-FOLDER."
489 :group 'gnus-article-saving
492 (defcustom gnus-file-save-name 'gnus-numeric-save-name
493 "A function generating a file name to save articles in article format.
494 The function is called with NEWSGROUP, HEADERS, and optional
496 :group 'gnus-article-saving
499 (defcustom gnus-split-methods
500 '((gnus-article-archive-name)
501 (gnus-article-nndoc-name))
502 "*Variable used to suggest where articles are to be saved.
503 For instance, if you would like to save articles related to Gnus in
504 the file \"gnus-stuff\", and articles related to VM in \"vm-stuff\",
505 you could set this variable to something like:
507 '((\"^Subject:.*gnus\\|^Newsgroups:.*gnus\" \"gnus-stuff\")
508 (\"^Subject:.*vm\\|^Xref:.*vm\" \"vm-stuff\"))
510 This variable is an alist where the where the key is the match and the
511 value is a list of possible files to save in if the match is non-nil.
513 If the match is a string, it is used as a regexp match on the
514 article. If the match is a symbol, that symbol will be funcalled
515 from the buffer of the article to be saved with the newsgroup as the
516 parameter. If it is a list, it will be evaled in the same buffer.
518 If this form or function returns a string, this string will be used as
519 a possible file name; and if it returns a non-nil list, that list will
520 be used as possible file names."
521 :group 'gnus-article-saving
522 :type '(repeat (choice (list :value (fun) function)
523 (cons :value ("" "") regexp (repeat string))
526 (defcustom gnus-page-delimiter "^\^L"
527 "*Regexp describing what to use as article page delimiters.
528 The default value is \"^\^L\", which is a form linefeed at the
529 beginning of a line."
531 :group 'gnus-article-various)
533 (defcustom gnus-article-mode-line-format "Gnus: %g [%w] %S%m"
534 "*The format specification for the article mode line.
535 See `gnus-summary-mode-line-format' for a closer description.
537 The following additional specs are available:
539 %w The article washing status.
540 %m The number of MIME parts in the article."
542 :group 'gnus-article-various)
544 (defcustom gnus-article-mode-hook nil
545 "*A hook for Gnus article mode."
547 :group 'gnus-article-various)
549 (when (featurep 'xemacs)
550 ;; Extracted from gnus-xmas-define in order to preserve user settings
551 (when (fboundp 'turn-off-scroll-in-place)
552 (add-hook 'gnus-article-mode-hook 'turn-off-scroll-in-place))
553 ;; Extracted from gnus-xmas-redefine in order to preserve user settings
554 (add-hook 'gnus-article-mode-hook 'gnus-xmas-article-menu-add))
556 (defcustom gnus-article-menu-hook nil
557 "*Hook run after the creation of the article mode menu."
559 :group 'gnus-article-various)
561 (defcustom gnus-article-prepare-hook nil
562 "*A hook called after an article has been prepared in the article buffer."
564 :group 'gnus-article-various)
566 (make-obsolete-variable 'gnus-article-hide-pgp-hook
567 "This variable is obsolete in Gnus 5.10.")
569 (defcustom gnus-article-button-face 'bold
570 "Face used for highlighting buttons in the article buffer.
572 An article button is a piece of text that you can activate by pressing
573 `RET' or `mouse-2' above it."
575 :group 'gnus-article-buttons)
577 (defcustom gnus-article-mouse-face 'highlight
578 "Face used for mouse highlighting in the article buffer.
580 Article buttons will be displayed in this face when the cursor is
583 :group 'gnus-article-buttons)
585 (defcustom gnus-signature-face 'gnus-signature-face
586 "Face used for highlighting a signature in the article buffer.
587 Obsolete; use the face `gnus-signature-face' for customizations instead."
589 :group 'gnus-article-highlight
590 :group 'gnus-article-signature)
592 (defface gnus-signature-face
595 "Face used for highlighting a signature in the article buffer."
596 :group 'gnus-article-highlight
597 :group 'gnus-article-signature)
599 (defface gnus-header-from-face
602 (:foreground "spring green"))
605 (:foreground "red3"))
608 "Face used for displaying from headers."
609 :group 'gnus-article-headers
610 :group 'gnus-article-highlight)
612 (defface gnus-header-subject-face
615 (:foreground "SeaGreen3"))
618 (:foreground "red4"))
620 (:bold t :italic t)))
621 "Face used for displaying subject headers."
622 :group 'gnus-article-headers
623 :group 'gnus-article-highlight)
625 (defface gnus-header-newsgroups-face
628 (:foreground "yellow" :italic t))
631 (:foreground "MidnightBlue" :italic t))
634 "Face used for displaying newsgroups headers.
635 In the default setup this face is only used for crossposted
637 :group 'gnus-article-headers
638 :group 'gnus-article-highlight)
640 (defface gnus-header-name-face
643 (:foreground "SeaGreen"))
646 (:foreground "maroon"))
649 "Face used for displaying header names."
650 :group 'gnus-article-headers
651 :group 'gnus-article-highlight)
653 (defface gnus-header-content-face
656 (:foreground "forest green" :italic t))
659 (:foreground "indianred4" :italic t))
661 (:italic t))) "Face used for displaying header content."
662 :group 'gnus-article-headers
663 :group 'gnus-article-highlight)
665 (defcustom gnus-header-face-alist
666 '(("From" nil gnus-header-from-face)
667 ("Subject" nil gnus-header-subject-face)
668 ("Newsgroups:.*," nil gnus-header-newsgroups-face)
669 ("" gnus-header-name-face gnus-header-content-face))
670 "*Controls highlighting of article headers.
672 An alist of the form (HEADER NAME CONTENT).
674 HEADER is a regular expression which should match the name of a
675 header and NAME and CONTENT are either face names or nil.
677 The name of each header field will be displayed using the face
678 specified by the first element in the list where HEADER matches
679 the header name and NAME is non-nil. Similarly, the content will
680 be displayed by the first non-nil matching CONTENT face."
681 :group 'gnus-article-headers
682 :group 'gnus-article-highlight
683 :type '(repeat (list (regexp :tag "Header")
685 (item :tag "skip" nil)
686 (face :value default))
687 (choice :tag "Content"
688 (item :tag "skip" nil)
689 (face :value default)))))
691 (defcustom gnus-article-decode-hook
692 '(article-decode-charset article-decode-encoded-words
693 article-decode-group-name article-decode-idna-rhs)
694 "*Hook run to decode charsets in articles."
695 :group 'gnus-article-headers
698 (defcustom gnus-display-mime-function 'gnus-display-mime
699 "Function to display MIME articles."
700 :group 'gnus-article-mime
703 (defvar gnus-decode-header-function 'mail-decode-encoded-word-region
704 "Function used to decode headers.")
706 (defvar gnus-article-dumbquotes-map
726 "Table for MS-to-Latin1 translation.")
728 (defcustom gnus-ignored-mime-types nil
729 "List of MIME types that should be ignored by Gnus."
731 :group 'gnus-article-mime
732 :type '(repeat regexp))
734 (defcustom gnus-unbuttonized-mime-types '(".*/.*")
735 "List of MIME types that should not be given buttons when rendered inline.
736 See also `gnus-buttonized-mime-types' which may override this variable.
737 This variable is only used when `gnus-inhibit-mime-unbuttonizing' is nil."
739 :group 'gnus-article-mime
740 :type '(repeat regexp))
742 (defcustom gnus-buttonized-mime-types nil
743 "List of MIME types that should be given buttons when rendered inline.
744 If set, this variable overrides `gnus-unbuttonized-mime-types'.
745 To see e.g. security buttons you could set this to
746 `(\"multipart/signed\")'.
747 This variable is only used when `gnus-inhibit-mime-unbuttonizing' is nil."
749 :group 'gnus-article-mime
750 :type '(repeat regexp))
752 (defcustom gnus-inhibit-mime-unbuttonizing nil
753 "If non-nil, all MIME parts get buttons.
754 When nil (the default value), then some MIME parts do not get buttons,
755 as described by the variables `gnus-buttonized-mime-types' and
756 `gnus-unbuttonized-mime-types'."
758 :group 'gnus-article-mime
761 (defcustom gnus-body-boundary-delimiter "_"
762 "String used to delimit header and body.
763 This variable is used by `gnus-article-treat-body-boundary' which can
764 be controlled by `gnus-treat-body-boundary'."
765 :group 'gnus-article-various
766 :type '(choice (item :tag "None" :value nil)
769 (defcustom gnus-picon-databases '("/usr/lib/picon" "/usr/local/faces")
770 "Defines the location of the faces database.
771 For information on obtaining this database of pretty pictures, please
772 see http://www.cs.indiana.edu/picons/ftp/index.html"
773 :type '(repeat directory)
774 :link '(url-link :tag "download"
775 "http://www.cs.indiana.edu/picons/ftp/index.html")
776 :link '(custom-manual "(gnus)Picons")
779 (defun gnus-picons-installed-p ()
780 "Say whether picons are installed on your machine."
781 (let ((installed nil))
782 (dolist (database gnus-picon-databases)
783 (when (file-exists-p database)
787 (defcustom gnus-article-mime-part-function nil
788 "Function called with a MIME handle as the argument.
789 This is meant for people who want to do something automatic based
790 on parts -- for instance, adding Vcard info to a database."
791 :group 'gnus-article-mime
794 (defcustom gnus-mime-multipart-functions nil
795 "An alist of MIME types to functions to display them."
797 :group 'gnus-article-mime
798 :type '(repeat (cons :format "%v" (string :tag "MIME type") function)))
800 (defcustom gnus-article-date-lapsed-new-header nil
801 "Whether the X-Sent and Date headers can coexist.
802 When using `gnus-treat-date-lapsed', the \"X-Sent:\" header will
803 either replace the old \"Date:\" header (if this variable is nil), or
804 be added below it (otherwise)."
806 :group 'gnus-article-headers
809 (defcustom gnus-article-mime-match-handle-function 'undisplayed-alternative
810 "Function called with a MIME handle as the argument.
811 This is meant for people who want to view first matched part.
812 For `undisplayed-alternative' (default), the first undisplayed
813 part or alternative part is used. For `undisplayed', the first
814 undisplayed part is used. For a function, the first part which
815 the function return t is used. For nil, the first part is
818 :group 'gnus-article-mime
820 (item :tag "first" :value nil)
821 (item :tag "undisplayed" :value undisplayed)
822 (item :tag "undisplayed or alternative"
823 :value undisplayed-alternative)
826 (defcustom gnus-mime-action-alist
827 '(("save to file" . gnus-mime-save-part)
828 ("save and strip" . gnus-mime-save-part-and-strip)
829 ("delete part" . gnus-mime-delete-part)
830 ("display as text" . gnus-mime-inline-part)
831 ("view the part" . gnus-mime-view-part)
832 ("pipe to command" . gnus-mime-pipe-part)
833 ("toggle display" . gnus-article-press-button)
834 ("toggle display" . gnus-article-view-part-as-charset)
835 ("view as type" . gnus-mime-view-part-as-type)
836 ("view internally" . gnus-mime-view-part-internally)
837 ("view externally" . gnus-mime-view-part-externally))
838 "An alist of actions that run on the MIME attachment."
839 :group 'gnus-article-mime
840 :type '(repeat (cons (string :tag "name")
844 ;;; The treatment variables
847 (defvar gnus-part-display-hook nil
848 "Hook called on parts that are to receive treatment.")
850 (defvar gnus-article-treat-custom
851 '(choice (const :tag "Off" nil)
853 (const :tag "Header" head)
854 (const :tag "Last" last)
855 (integer :tag "Less")
856 (repeat :tag "Groups" regexp)
857 (sexp :tag "Predicate")))
859 (defvar gnus-article-treat-head-custom
860 '(choice (const :tag "Off" nil)
861 (const :tag "Header" head)))
863 (defvar gnus-article-treat-types '("text/plain")
866 (defvar gnus-inhibit-treatment nil
867 "Whether to inhibit treatment.")
869 (defcustom gnus-treat-highlight-signature '(or t (typep "text/x-vcard"))
870 "Highlight the signature.
871 Valid values are nil, t, `head', `last', an integer or a predicate.
872 See Info node `(gnus)Customizing Articles'."
873 :group 'gnus-article-treat
874 :link '(custom-manual "(gnus)Customizing Articles")
875 :type gnus-article-treat-custom)
876 (put 'gnus-treat-highlight-signature 'highlight t)
878 (defcustom gnus-treat-buttonize 100000
880 Valid values are nil, t, `head', `last', an integer or a predicate.
881 See Info node `(gnus)Customizing Articles'."
882 :group 'gnus-article-treat
883 :link '(custom-manual "(gnus)Customizing Articles")
884 :type gnus-article-treat-custom)
885 (put 'gnus-treat-buttonize 'highlight t)
887 (defcustom gnus-treat-buttonize-head 'head
888 "Add buttons to the head.
889 Valid values are nil, t, `head', `last', an integer or a predicate.
890 See Info node `(gnus)Customizing Articles' for details."
891 :group 'gnus-article-treat
892 :link '(custom-manual "(gnus)Customizing Articles")
893 :type gnus-article-treat-head-custom)
894 (put 'gnus-treat-buttonize-head 'highlight t)
896 (defcustom gnus-treat-emphasize
897 (and (or window-system
901 Valid values are nil, t, `head', `last', an integer or a predicate.
902 See Info node `(gnus)Customizing Articles' for details."
903 :group 'gnus-article-treat
904 :link '(custom-manual "(gnus)Customizing Articles")
905 :type gnus-article-treat-custom)
906 (put 'gnus-treat-emphasize 'highlight t)
908 (defcustom gnus-treat-strip-cr nil
909 "Remove carriage returns.
910 Valid values are nil, t, `head', `last', an integer or a predicate.
911 See Info node `(gnus)Customizing Articles' for details."
912 :group 'gnus-article-treat
913 :link '(custom-manual "(gnus)Customizing Articles")
914 :type gnus-article-treat-custom)
916 (defcustom gnus-treat-unsplit-urls nil
917 "Remove newlines from within URLs.
918 Valid values are nil, t, `head', `last', an integer or a predicate.
919 See Info node `(gnus)Customizing Articles' for details."
920 :group 'gnus-article-treat
921 :link '(custom-manual "(gnus)Customizing Articles")
922 :type gnus-article-treat-custom)
924 (defcustom gnus-treat-leading-whitespace nil
925 "Remove leading whitespace in headers.
926 Valid values are nil, t, `head', `last', an integer or a predicate.
927 See Info node `(gnus)Customizing Articles' for details."
928 :group 'gnus-article-treat
929 :link '(custom-manual "(gnus)Customizing Articles")
930 :type gnus-article-treat-custom)
932 (defcustom gnus-treat-hide-headers 'head
934 Valid values are nil, t, `head', `last', an integer or a predicate.
935 See Info node `(gnus)Customizing Articles' for details."
936 :group 'gnus-article-treat
937 :link '(custom-manual "(gnus)Customizing Articles")
938 :type gnus-article-treat-head-custom)
940 (defcustom gnus-treat-hide-boring-headers nil
941 "Hide boring headers.
942 Valid values are nil, t, `head', `last', an integer or a predicate.
943 See Info node `(gnus)Customizing Articles' for details."
944 :group 'gnus-article-treat
945 :link '(custom-manual "(gnus)Customizing Articles")
946 :type gnus-article-treat-head-custom)
948 (defcustom gnus-treat-hide-signature nil
950 Valid values are nil, t, `head', `last', an integer or a predicate.
951 See Info node `(gnus)Customizing Articles' for details."
952 :group 'gnus-article-treat
953 :link '(custom-manual "(gnus)Customizing Articles")
954 :type gnus-article-treat-custom)
956 (defcustom gnus-treat-fill-article nil
958 Valid values are nil, t, `head', `last', an integer or a predicate.
959 See Info node `(gnus)Customizing Articles' for details."
960 :group 'gnus-article-treat
961 :link '(custom-manual "(gnus)Customizing Articles")
962 :type gnus-article-treat-custom)
964 (defcustom gnus-treat-hide-citation nil
966 Valid values are nil, t, `head', `last', an integer or a predicate.
967 See Info node `(gnus)Customizing Articles' for details."
968 :group 'gnus-article-treat
969 :link '(custom-manual "(gnus)Customizing Articles")
970 :type gnus-article-treat-custom)
972 (defcustom gnus-treat-hide-citation-maybe nil
974 Valid values are nil, t, `head', `last', an integer or a predicate.
975 See Info node `(gnus)Customizing Articles' for details."
976 :group 'gnus-article-treat
977 :link '(custom-manual "(gnus)Customizing Articles")
978 :type gnus-article-treat-custom)
980 (defcustom gnus-treat-strip-list-identifiers 'head
981 "Strip list identifiers from `gnus-list-identifiers`.
982 Valid values are nil, t, `head', `last', an integer or a predicate.
983 See Info node `(gnus)Customizing Articles' for details."
985 :group 'gnus-article-treat
986 :link '(custom-manual "(gnus)Customizing Articles")
987 :type gnus-article-treat-custom)
989 (make-obsolete-variable 'gnus-treat-strip-pgp
990 "This option is obsolete in Gnus 5.10.")
992 (defcustom gnus-treat-strip-pem nil
993 "Strip PEM signatures.
994 Valid values are nil, t, `head', `last', an integer or a predicate.
995 See Info node `(gnus)Customizing Articles' for details."
996 :group 'gnus-article-treat
997 :link '(custom-manual "(gnus)Customizing Articles")
998 :type gnus-article-treat-custom)
1000 (defcustom gnus-treat-strip-banner t
1001 "Strip banners from articles.
1002 The banner to be stripped is specified in the `banner' group parameter.
1003 Valid values are nil, t, `head', `last', an integer or a predicate.
1004 See Info node `(gnus)Customizing Articles' for details."
1005 :group 'gnus-article-treat
1006 :link '(custom-manual "(gnus)Customizing Articles")
1007 :type gnus-article-treat-custom)
1009 (defcustom gnus-treat-highlight-headers 'head
1010 "Highlight the headers.
1011 Valid values are nil, t, `head', `last', an integer or a predicate.
1012 See Info node `(gnus)Customizing Articles' for details."
1013 :group 'gnus-article-treat
1014 :link '(custom-manual "(gnus)Customizing Articles")
1015 :type gnus-article-treat-head-custom)
1016 (put 'gnus-treat-highlight-headers 'highlight t)
1018 (defcustom gnus-treat-highlight-citation t
1019 "Highlight cited text.
1020 Valid values are nil, t, `head', `last', an integer or a predicate.
1021 See Info node `(gnus)Customizing Articles' for details."
1022 :group 'gnus-article-treat
1023 :link '(custom-manual "(gnus)Customizing Articles")
1024 :type gnus-article-treat-custom)
1025 (put 'gnus-treat-highlight-citation 'highlight t)
1027 (defcustom gnus-treat-date-ut nil
1028 "Display the Date in UT (GMT).
1029 Valid values are nil, t, `head', `last', an integer or a predicate.
1030 See Info node `(gnus)Customizing Articles' for details."
1031 :group 'gnus-article-treat
1032 :link '(custom-manual "(gnus)Customizing Articles")
1033 :type gnus-article-treat-head-custom)
1035 (defcustom gnus-treat-date-local nil
1036 "Display the Date in the local timezone.
1037 Valid values are nil, t, `head', `last', an integer or a predicate.
1038 See Info node `(gnus)Customizing Articles' for details."
1039 :group 'gnus-article-treat
1040 :link '(custom-manual "(gnus)Customizing Articles")
1041 :type gnus-article-treat-head-custom)
1043 (defcustom gnus-treat-date-english nil
1044 "Display the Date in a format that can be read aloud in English.
1045 Valid values are nil, t, `head', `last', an integer or a predicate.
1046 See Info node `(gnus)Customizing Articles' for details."
1047 :group 'gnus-article-treat
1048 :link '(custom-manual "(gnus)Customizing Articles")
1049 :type gnus-article-treat-head-custom)
1051 (defcustom gnus-treat-date-lapsed nil
1052 "Display the Date header in a way that says how much time has elapsed.
1053 Valid values are nil, t, `head', `last', an integer or a predicate.
1054 See Info node `(gnus)Customizing Articles' for details."
1055 :group 'gnus-article-treat
1056 :link '(custom-manual "(gnus)Customizing Articles")
1057 :type gnus-article-treat-head-custom)
1059 (defcustom gnus-treat-date-original nil
1060 "Display the date in the original timezone.
1061 Valid values are nil, t, `head', `last', an integer or a predicate.
1062 See Info node `(gnus)Customizing Articles' for details."
1063 :group 'gnus-article-treat
1064 :link '(custom-manual "(gnus)Customizing Articles")
1065 :type gnus-article-treat-head-custom)
1067 (defcustom gnus-treat-date-iso8601 nil
1068 "Display the date in the ISO8601 format.
1069 Valid values are nil, t, `head', `last', an integer or a predicate.
1070 See Info node `(gnus)Customizing Articles' for details."
1072 :group 'gnus-article-treat
1073 :link '(custom-manual "(gnus)Customizing Articles")
1074 :type gnus-article-treat-head-custom)
1076 (defcustom gnus-treat-date-user-defined nil
1077 "Display the date in a user-defined format.
1078 The format is defined by the `gnus-article-time-format' variable.
1079 Valid values are nil, t, `head', `last', an integer or a predicate.
1080 See Info node `(gnus)Customizing Articles' for details."
1081 :group 'gnus-article-treat
1082 :link '(custom-manual "(gnus)Customizing Articles")
1083 :type gnus-article-treat-head-custom)
1085 (defcustom gnus-treat-strip-headers-in-body t
1086 "Strip the X-No-Archive header line from the beginning of the body.
1087 Valid values are nil, t, `head', `last', an integer or a predicate.
1088 See Info node `(gnus)Customizing Articles' for details."
1090 :group 'gnus-article-treat
1091 :link '(custom-manual "(gnus)Customizing Articles")
1092 :type gnus-article-treat-custom)
1094 (defcustom gnus-treat-strip-trailing-blank-lines nil
1095 "Strip trailing blank lines.
1096 Valid values are nil, t, `head', `last', an integer or a predicate.
1097 See Info node `(gnus)Customizing Articles' for details."
1098 :group 'gnus-article-treat
1099 :link '(custom-manual "(gnus)Customizing Articles")
1100 :type gnus-article-treat-custom)
1102 (defcustom gnus-treat-strip-leading-blank-lines nil
1103 "Strip leading blank lines.
1104 Valid values are nil, t, `head', `last', an integer or a predicate.
1105 See Info node `(gnus)Customizing Articles' for details."
1106 :group 'gnus-article-treat
1107 :link '(custom-manual "(gnus)Customizing Articles")
1108 :type gnus-article-treat-custom)
1110 (defcustom gnus-treat-strip-multiple-blank-lines nil
1111 "Strip multiple blank lines.
1112 Valid values are nil, t, `head', `last', an integer or a predicate.
1113 See Info node `(gnus)Customizing Articles' for details."
1114 :group 'gnus-article-treat
1115 :link '(custom-manual "(gnus)Customizing Articles")
1116 :type gnus-article-treat-custom)
1118 (defcustom gnus-treat-unfold-headers 'head
1119 "Unfold folded header lines.
1120 Valid values are nil, t, `head', `last', an integer or a predicate.
1121 See Info node `(gnus)Customizing Articles' for details."
1122 :group 'gnus-article-treat
1123 :link '(custom-manual "(gnus)Customizing Articles")
1124 :type gnus-article-treat-custom)
1126 (defcustom gnus-treat-fold-headers nil
1128 Valid values are nil, t, `head', `last', an integer or a predicate.
1129 See Info node `(gnus)Customizing Articles' for details."
1130 :group 'gnus-article-treat
1131 :link '(custom-manual "(gnus)Customizing Articles")
1132 :type gnus-article-treat-custom)
1134 (defcustom gnus-treat-fold-newsgroups 'head
1135 "Fold the Newsgroups and Followup-To headers.
1136 Valid values are nil, t, `head', `last', an integer or a predicate.
1137 See Info node `(gnus)Customizing Articles' for details."
1138 :group 'gnus-article-treat
1139 :link '(custom-manual "(gnus)Customizing Articles")
1140 :type gnus-article-treat-custom)
1142 (defcustom gnus-treat-overstrike t
1143 "Treat overstrike highlighting.
1144 Valid values are nil, t, `head', `last', an integer or a predicate.
1145 See Info node `(gnus)Customizing Articles' for details."
1146 :group 'gnus-article-treat
1147 :link '(custom-manual "(gnus)Customizing Articles")
1148 :type gnus-article-treat-custom)
1149 (put 'gnus-treat-overstrike 'highlight t)
1151 (defcustom gnus-treat-ansi-sequences (if (locate-library "ansi-color") t)
1152 "Treat ANSI SGR control sequences.
1153 Valid values are nil, t, `head', `last', an integer or a predicate.
1154 See Info node `(gnus)Customizing Articles' for details."
1155 :group 'gnus-article-treat
1156 :link '(custom-manual "(gnus)Customizing Articles")
1157 :type gnus-article-treat-custom)
1159 (make-obsolete-variable 'gnus-treat-display-xface
1160 'gnus-treat-display-x-face)
1162 (defcustom gnus-treat-display-x-face
1163 (and (not noninteractive)
1164 (or (and (fboundp 'image-type-available-p)
1165 (image-type-available-p 'xbm)
1166 (string-match "^0x" (shell-command-to-string "uncompface"))
1167 (executable-find "icontopbm"))
1168 (and (featurep 'xemacs)
1171 "Display X-Face headers.
1172 Valid values are nil, t, `head', `last', an integer or a predicate.
1173 See Info node `(gnus)Customizing Articles' and Info node
1174 `(gnus)X-Face' for details."
1175 :group 'gnus-article-treat
1177 :link '(custom-manual "(gnus)Customizing Articles")
1178 :link '(custom-manual "(gnus)X-Face")
1179 :type gnus-article-treat-head-custom
1180 :set (lambda (symbol value)
1183 (cond ((or (boundp symbol) (get symbol 'saved-value))
1185 ((boundp 'gnus-treat-display-xface)
1187 ** gnus-treat-display-xface is an obsolete variable;\
1188 use gnus-treat-display-x-face instead")
1189 (default-value 'gnus-treat-display-xface))
1190 ((get 'gnus-treat-display-xface 'saved-value)
1192 ** gnus-treat-display-xface is an obsolete variable;\
1193 use gnus-treat-display-x-face instead")
1194 (eval (car (get 'gnus-treat-display-xface 'saved-value))))
1197 (put 'gnus-treat-display-x-face 'highlight t)
1199 (defcustom gnus-treat-display-face
1200 (and (not noninteractive)
1201 (or (and (fboundp 'image-type-available-p)
1202 (image-type-available-p 'png))
1203 (and (featurep 'xemacs)
1206 "Display Face headers.
1207 Valid values are nil, t, `head', `last', an integer or a predicate.
1208 See Info node `(gnus)Customizing Articles' and Info node
1209 `(gnus)X-Face' for details."
1210 :group 'gnus-article-treat
1212 :link '(custom-manual "(gnus)Customizing Articles")
1213 :link '(custom-manual "(gnus)X-Face")
1214 :type gnus-article-treat-head-custom)
1215 (put 'gnus-treat-display-face 'highlight t)
1217 (defcustom gnus-treat-display-smileys
1218 (if (or (and (featurep 'xemacs)
1220 (and (fboundp 'image-type-available-p)
1221 (image-type-available-p 'pbm)))
1224 Valid values are nil, t, `head', `last', an integer or a predicate.
1225 See Info node `(gnus)Customizing Articles' and Info node
1226 `(gnus)Smileys' for details."
1227 :group 'gnus-article-treat
1229 :link '(custom-manual "(gnus)Customizing Articles")
1230 :link '(custom-manual "(gnus)Smileys")
1231 :type gnus-article-treat-custom)
1232 (put 'gnus-treat-display-smileys 'highlight t)
1234 (defcustom gnus-treat-from-picon
1235 (if (and (gnus-image-type-available-p 'xpm)
1236 (gnus-picons-installed-p))
1238 "Display picons in the From header.
1239 Valid values are nil, t, `head', `last', an integer or a predicate.
1240 See Info node `(gnus)Customizing Articles' and Info node
1241 `(gnus)Picons' for details."
1242 :group 'gnus-article-treat
1244 :link '(custom-manual "(gnus)Customizing Articles")
1245 :link '(custom-manual "(gnus)Picons")
1246 :type gnus-article-treat-head-custom)
1247 (put 'gnus-treat-from-picon 'highlight t)
1249 (defcustom gnus-treat-mail-picon
1250 (if (and (gnus-image-type-available-p 'xpm)
1251 (gnus-picons-installed-p))
1253 "Display picons in To and Cc headers.
1254 Valid values are nil, t, `head', `last', an integer or a predicate.
1255 See Info node `(gnus)Customizing Articles' and Info node
1256 `(gnus)Picons' for details."
1257 :group 'gnus-article-treat
1259 :link '(custom-manual "(gnus)Customizing Articles")
1260 :link '(custom-manual "(gnus)Picons")
1261 :type gnus-article-treat-head-custom)
1262 (put 'gnus-treat-mail-picon 'highlight t)
1264 (defcustom gnus-treat-newsgroups-picon
1265 (if (and (gnus-image-type-available-p 'xpm)
1266 (gnus-picons-installed-p))
1268 "Display picons in the Newsgroups and Followup-To headers.
1269 Valid values are nil, t, `head', `last', an integer or a predicate.
1270 See Info node `(gnus)Customizing Articles' and Info node
1271 `(gnus)Picons' for details."
1272 :group 'gnus-article-treat
1274 :link '(custom-manual "(gnus)Customizing Articles")
1275 :link '(custom-manual "(gnus)Picons")
1276 :type gnus-article-treat-head-custom)
1277 (put 'gnus-treat-newsgroups-picon 'highlight t)
1279 (defcustom gnus-treat-body-boundary
1280 (if (or gnus-treat-newsgroups-picon
1281 gnus-treat-mail-picon
1282 gnus-treat-from-picon)
1284 "Draw a boundary at the end of the headers.
1285 Valid values are nil and `head'.
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-head-custom)
1292 (defcustom gnus-treat-capitalize-sentences nil
1293 "Capitalize sentence-starting words.
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-wash-html nil
1303 Valid values are nil, t, `head', `last', an integer or a predicate.
1304 See Info node `(gnus)Customizing Articles' for details."
1305 :group 'gnus-article-treat
1306 :link '(custom-manual "(gnus)Customizing Articles")
1307 :type gnus-article-treat-custom)
1309 (defcustom gnus-treat-fill-long-lines nil
1311 Valid values are nil, t, `head', `last', an integer or a predicate.
1312 See Info node `(gnus)Customizing Articles' for details."
1313 :group 'gnus-article-treat
1314 :link '(custom-manual "(gnus)Customizing Articles")
1315 :type gnus-article-treat-custom)
1317 (defcustom gnus-treat-play-sounds nil
1319 Valid values are nil, t, `head', `last', an integer or a predicate.
1320 See Info node `(gnus)Customizing Articles' for details."
1322 :group 'gnus-article-treat
1323 :link '(custom-manual "(gnus)Customizing Articles")
1324 :type gnus-article-treat-custom)
1326 (defcustom gnus-treat-translate nil
1327 "Translate articles from one language to another.
1328 Valid values are nil, t, `head', `last', an integer or a predicate.
1329 See Info node `(gnus)Customizing Articles' for details."
1331 :group 'gnus-article-treat
1332 :link '(custom-manual "(gnus)Customizing Articles")
1333 :type gnus-article-treat-custom)
1335 (defcustom gnus-treat-x-pgp-sig nil
1337 To automatically treat X-PGP-Sig, set it to head.
1338 Valid values are nil, t, `head', `last', an integer or a predicate.
1339 See Info node `(gnus)Customizing Articles' for details."
1340 :group 'gnus-article-treat
1341 :group 'mime-security
1342 :link '(custom-manual "(gnus)Customizing Articles")
1343 :type gnus-article-treat-custom)
1345 (defvar gnus-article-encrypt-protocol-alist
1346 '(("PGP" . mml2015-self-encrypt)))
1348 ;; Set to nil if more than one protocol added to
1349 ;; gnus-article-encrypt-protocol-alist.
1350 (defcustom gnus-article-encrypt-protocol "PGP"
1351 "The protocol used for encrypt articles.
1352 It is a string, such as \"PGP\". If nil, ask user."
1354 :group 'mime-security)
1356 (defvar gnus-article-wash-function nil
1357 "Function used for converting HTML into text.")
1359 (defcustom gnus-use-idna (and (condition-case nil (require 'idna) (file-error))
1360 (mm-coding-system-p 'utf-8)
1361 (executable-find idna-program))
1362 "Whether IDNA decoding of headers is used when viewing messages.
1363 This requires GNU Libidn, and by default only enabled if it is found."
1364 :group 'gnus-article-headers
1367 (defcustom gnus-article-over-scroll nil
1368 "If non-nil, allow scrolling the article buffer even when there no more text."
1369 :group 'gnus-article
1372 ;;; Internal variables
1374 (defvar gnus-english-month-names
1375 '("January" "February" "March" "April" "May" "June" "July" "August"
1376 "September" "October" "November" "December"))
1378 (defvar gnus-button-regexp nil)
1379 (defvar gnus-button-marker-list nil)
1380 ;; Regexp matching any of the regexps from `gnus-button-alist'.
1382 (defvar gnus-button-last nil)
1383 ;; The value of `gnus-button-alist' when `gnus-button-regexp' was build.
1385 (defvar article-goto-body-goes-to-point-min-p nil)
1386 (defvar gnus-article-wash-types nil)
1387 (defvar gnus-article-emphasis-alist nil)
1388 (defvar gnus-article-image-alist nil)
1390 (defvar gnus-article-mime-handle-alist-1 nil)
1391 (defvar gnus-treatment-function-alist
1392 '((gnus-treat-x-pgp-sig gnus-article-verify-x-pgp-sig)
1393 (gnus-treat-strip-banner gnus-article-strip-banner)
1394 (gnus-treat-strip-headers-in-body gnus-article-strip-headers-in-body)
1395 (gnus-treat-highlight-signature gnus-article-highlight-signature)
1396 (gnus-treat-buttonize gnus-article-add-buttons)
1397 (gnus-treat-fill-article gnus-article-fill-cited-article)
1398 (gnus-treat-fill-long-lines gnus-article-fill-long-lines)
1399 (gnus-treat-strip-cr gnus-article-remove-cr)
1400 (gnus-treat-unsplit-urls gnus-article-unsplit-urls)
1401 (gnus-treat-date-ut gnus-article-date-ut)
1402 (gnus-treat-date-local gnus-article-date-local)
1403 (gnus-treat-date-english gnus-article-date-english)
1404 (gnus-treat-date-lapsed gnus-article-date-lapsed)
1405 (gnus-treat-date-original gnus-article-date-original)
1406 (gnus-treat-date-user-defined gnus-article-date-user)
1407 (gnus-treat-date-iso8601 gnus-article-date-iso8601)
1408 (gnus-treat-display-x-face gnus-article-display-x-face)
1409 (gnus-treat-display-face gnus-article-display-face)
1410 (gnus-treat-hide-headers gnus-article-maybe-hide-headers)
1411 (gnus-treat-hide-boring-headers gnus-article-hide-boring-headers)
1412 (gnus-treat-hide-signature gnus-article-hide-signature)
1413 (gnus-treat-strip-list-identifiers gnus-article-hide-list-identifiers)
1414 (gnus-treat-leading-whitespace gnus-article-remove-leading-whitespace)
1415 (gnus-treat-strip-pem gnus-article-hide-pem)
1416 (gnus-treat-from-picon gnus-treat-from-picon)
1417 (gnus-treat-mail-picon gnus-treat-mail-picon)
1418 (gnus-treat-newsgroups-picon gnus-treat-newsgroups-picon)
1419 (gnus-treat-highlight-headers gnus-article-highlight-headers)
1420 (gnus-treat-highlight-signature gnus-article-highlight-signature)
1421 (gnus-treat-strip-trailing-blank-lines
1422 gnus-article-remove-trailing-blank-lines)
1423 (gnus-treat-strip-leading-blank-lines
1424 gnus-article-strip-leading-blank-lines)
1425 (gnus-treat-strip-multiple-blank-lines
1426 gnus-article-strip-multiple-blank-lines)
1427 (gnus-treat-overstrike gnus-article-treat-overstrike)
1428 (gnus-treat-ansi-sequences gnus-article-treat-ansi-sequences)
1429 (gnus-treat-unfold-headers gnus-article-treat-unfold-headers)
1430 (gnus-treat-fold-headers gnus-article-treat-fold-headers)
1431 (gnus-treat-fold-newsgroups gnus-article-treat-fold-newsgroups)
1432 (gnus-treat-buttonize-head gnus-article-add-buttons-to-head)
1433 (gnus-treat-display-smileys gnus-treat-smiley)
1434 (gnus-treat-capitalize-sentences gnus-article-capitalize-sentences)
1435 (gnus-treat-wash-html gnus-article-wash-html)
1436 (gnus-treat-emphasize gnus-article-emphasize)
1437 (gnus-treat-hide-citation gnus-article-hide-citation)
1438 (gnus-treat-hide-citation-maybe gnus-article-hide-citation-maybe)
1439 (gnus-treat-highlight-citation gnus-article-highlight-citation)
1440 (gnus-treat-body-boundary gnus-article-treat-body-boundary)
1441 (gnus-treat-play-sounds gnus-earcon-display)))
1443 (defvar gnus-article-mime-handle-alist nil)
1444 (defvar article-lapsed-timer nil)
1445 (defvar gnus-article-current-summary nil)
1447 (defvar gnus-article-mode-syntax-table
1448 (let ((table (copy-syntax-table text-mode-syntax-table)))
1449 ;; This causes the citation match run O(2^n).
1450 ;; (modify-syntax-entry ?- "w" table)
1451 (modify-syntax-entry ?> ")<" table)
1452 (modify-syntax-entry ?< "(>" table)
1453 ;; make M-. in article buffers work for `foo' strings
1454 (modify-syntax-entry ?' " " table)
1455 (modify-syntax-entry ?` " " table)
1457 "Syntax table used in article mode buffers.
1458 Initialized from `text-mode-syntax-table.")
1460 (defvar gnus-save-article-buffer nil)
1462 (defvar gnus-article-mode-line-format-alist
1463 (nconc '((?w (gnus-article-wash-status) ?s)
1464 (?m (gnus-article-mime-part-status) ?s))
1465 gnus-summary-mode-line-format-alist))
1467 (defvar gnus-number-of-articles-to-be-saved nil)
1469 (defvar gnus-inhibit-hiding nil)
1471 (defvar gnus-article-edit-mode nil)
1473 ;;; Macros for dealing with the article buffer.
1475 (defmacro gnus-with-article-headers (&rest forms)
1477 (set-buffer gnus-article-buffer)
1479 (let ((buffer-read-only nil)
1480 (inhibit-point-motion-hooks t)
1481 (case-fold-search t))
1482 (article-narrow-to-head)
1485 (put 'gnus-with-article-headers 'lisp-indent-function 0)
1486 (put 'gnus-with-article-headers 'edebug-form-spec '(body))
1488 (defmacro gnus-with-article-buffer (&rest forms)
1490 (set-buffer gnus-article-buffer)
1491 (let ((buffer-read-only nil))
1494 (put 'gnus-with-article-buffer 'lisp-indent-function 0)
1495 (put 'gnus-with-article-buffer 'edebug-form-spec '(body))
1497 (defun gnus-article-goto-header (header)
1498 "Go to HEADER, which is a regular expression."
1499 (re-search-forward (concat "^\\(" header "\\):") nil t))
1501 (defsubst gnus-article-hide-text (b e props)
1502 "Set text PROPS on the B to E region, extending `intangible' 1 past B."
1503 (gnus-add-text-properties-when 'article-type nil b e props)
1504 (when (memq 'intangible props)
1506 (max (1- b) (point-min))
1507 b 'intangible (cddr (memq 'intangible props)))))
1509 (defsubst gnus-article-unhide-text (b e)
1510 "Remove hidden text properties from region between B and E."
1511 (remove-text-properties b e gnus-hidden-properties)
1512 (when (memq 'intangible gnus-hidden-properties)
1513 (put-text-property (max (1- b) (point-min))
1514 b 'intangible nil)))
1516 (defun gnus-article-hide-text-type (b e type)
1517 "Hide text of TYPE between B and E."
1518 (gnus-add-wash-type type)
1519 (gnus-article-hide-text
1520 b e (cons 'article-type (cons type gnus-hidden-properties))))
1522 (defun gnus-article-unhide-text-type (b e type)
1523 "Unhide text of TYPE between B and E."
1524 (gnus-delete-wash-type type)
1525 (remove-text-properties
1526 b e (cons 'article-type (cons type gnus-hidden-properties)))
1527 (when (memq 'intangible gnus-hidden-properties)
1528 (put-text-property (max (1- b) (point-min))
1529 b 'intangible nil)))
1531 (defun gnus-article-hide-text-of-type (type)
1532 "Hide text of TYPE in the current buffer."
1534 (let ((b (point-min))
1536 (while (setq b (text-property-any b e 'article-type type))
1537 (add-text-properties b (incf b) gnus-hidden-properties)))))
1539 (defun gnus-article-delete-text-of-type (type)
1540 "Delete text of TYPE in the current buffer."
1542 (let ((b (point-min)))
1543 (while (setq b (text-property-any b (point-max) 'article-type type))
1545 b (or (text-property-not-all b (point-max) 'article-type type)
1548 (defun gnus-article-delete-invisible-text ()
1549 "Delete all invisible text in the current buffer."
1551 (let ((b (point-min)))
1552 (while (setq b (text-property-any b (point-max) 'invisible t))
1554 b (or (text-property-not-all b (point-max) 'invisible t)
1557 (defun gnus-article-text-type-exists-p (type)
1558 "Say whether any text of type TYPE exists in the buffer."
1559 (text-property-any (point-min) (point-max) 'article-type type))
1561 (defsubst gnus-article-header-rank ()
1562 "Give the rank of the string HEADER as given by `gnus-sorted-header-list'."
1563 (let ((list gnus-sorted-header-list)
1566 (if (looking-at (car list))
1568 (setq list (cdr list))
1572 (defun article-hide-headers (&optional arg delete)
1573 "Hide unwanted headers and possibly sort them as well."
1575 ;; This function might be inhibited.
1576 (unless gnus-inhibit-hiding
1579 (let ((buffer-read-only nil)
1580 (case-fold-search t)
1581 (max (1+ (length gnus-sorted-header-list)))
1582 (ignored (when (not gnus-visible-headers)
1583 (cond ((stringp gnus-ignored-headers)
1584 gnus-ignored-headers)
1585 ((listp gnus-ignored-headers)
1586 (mapconcat 'identity gnus-ignored-headers
1589 (cond ((stringp gnus-visible-headers)
1590 gnus-visible-headers)
1591 ((and gnus-visible-headers
1592 (listp gnus-visible-headers))
1593 (mapconcat 'identity gnus-visible-headers "\\|"))))
1594 (inhibit-point-motion-hooks t)
1596 ;; First we narrow to just the headers.
1597 (article-narrow-to-head)
1598 ;; Hide any "From " lines at the beginning of (mail) articles.
1599 (while (looking-at "From ")
1602 (delete-region (point-min) (point)))
1603 ;; Then treat the rest of the header lines.
1604 ;; Then we use the two regular expressions
1605 ;; `gnus-ignored-headers' and `gnus-visible-headers' to
1606 ;; select which header lines is to remain visible in the
1608 (while (re-search-forward "^[^ \t:]*:" nil t)
1610 ;; Mark the rank of the header.
1612 (point) (1+ (point)) 'message-rank
1613 (if (or (and visible (looking-at visible))
1615 (not (looking-at ignored))))
1616 (gnus-article-header-rank)
1619 (message-sort-headers-1)
1620 (when (setq beg (text-property-any
1621 (point-min) (point-max) 'message-rank (+ 2 max)))
1622 ;; We delete the unwanted headers.
1623 (gnus-add-wash-type 'headers)
1624 (add-text-properties (point-min) (+ 5 (point-min))
1625 '(article-type headers dummy-invisible t))
1626 (delete-region beg (point-max))))))))
1628 (defun article-hide-boring-headers (&optional arg)
1629 "Toggle hiding of headers that aren't very interesting.
1630 If given a negative prefix, always show; if given a positive prefix,
1632 (interactive (gnus-article-hidden-arg))
1633 (when (and (not (gnus-article-check-hidden-text 'boring-headers arg))
1634 (not gnus-show-all-headers))
1637 (let ((buffer-read-only nil)
1638 (list gnus-boring-article-headers)
1639 (inhibit-point-motion-hooks t)
1641 (article-narrow-to-head)
1643 (setq elem (pop list))
1644 (goto-char (point-min))
1646 ;; Hide empty headers.
1648 (while (re-search-forward "^[^: \t]+:[ \t]*\n[^ \t]" nil t)
1650 (gnus-article-hide-text-type
1654 (if (re-search-forward "^[^ \t]" nil t)
1658 ;; Hide boring Newsgroups header.
1659 ((eq elem 'newsgroups)
1660 (when (gnus-string-equal
1661 (gnus-fetch-field "newsgroups")
1662 (gnus-group-real-name
1663 (if (boundp 'gnus-newsgroup-name)
1666 (gnus-article-hide-header "newsgroups")))
1667 ((eq elem 'to-address)
1668 (let ((to (message-fetch-field "to"))
1670 (gnus-parameter-to-address
1671 (if (boundp 'gnus-newsgroup-name)
1672 gnus-newsgroup-name ""))))
1673 (when (and to to-address
1676 ;; only one address in To
1677 (nth 1 (mail-extract-address-components to))
1679 (gnus-article-hide-header "to"))))
1681 (let ((to (message-fetch-field "to"))
1683 (gnus-parameter-to-list
1684 (if (boundp 'gnus-newsgroup-name)
1685 gnus-newsgroup-name ""))))
1686 (when (and to to-list
1689 ;; only one address in To
1690 (nth 1 (mail-extract-address-components to))
1692 (gnus-article-hide-header "to"))))
1694 (let ((cc (message-fetch-field "cc"))
1696 (gnus-parameter-to-list
1697 (if (boundp 'gnus-newsgroup-name)
1698 gnus-newsgroup-name ""))))
1699 (when (and cc to-list
1702 ;; only one address in CC
1703 (nth 1 (mail-extract-address-components cc))
1705 (gnus-article-hide-header "cc"))))
1706 ((eq elem 'followup-to)
1707 (when (gnus-string-equal
1708 (message-fetch-field "followup-to")
1709 (message-fetch-field "newsgroups"))
1710 (gnus-article-hide-header "followup-to")))
1711 ((eq elem 'reply-to)
1712 (if (gnus-group-find-parameter
1713 gnus-newsgroup-name 'broken-reply-to)
1714 (gnus-article-hide-header "reply-to")
1715 (let ((from (message-fetch-field "from"))
1716 (reply-to (message-fetch-field "reply-to")))
1723 (lambda (x) (downcase (cadr x)))
1724 (mail-extract-address-components from t))
1727 (lambda (x) (downcase (cadr x)))
1728 (mail-extract-address-components reply-to t))
1730 (gnus-article-hide-header "reply-to")))))
1732 (let ((date (message-fetch-field "date")))
1734 (< (days-between (current-time-string) date)
1736 (gnus-article-hide-header "date"))))
1738 (let ((to (message-fetch-field "to"))
1739 (cc (message-fetch-field "cc")))
1740 (when (> (length to) 1024)
1741 (gnus-article-hide-header "to"))
1742 (when (> (length cc) 1024)
1743 (gnus-article-hide-header "cc"))))
1747 (goto-char (point-min))
1748 (while (re-search-forward "^to:" nil t)
1749 (setq to-count (1+ to-count)))
1750 (when (> to-count 1)
1751 (while (> to-count 0)
1752 (goto-char (point-min))
1754 (re-search-forward "^to:" nil nil to-count)
1756 (narrow-to-region (point) (point-max))
1757 (gnus-article-hide-header "to"))
1758 (setq to-count (1- to-count))))
1759 (goto-char (point-min))
1760 (while (re-search-forward "^cc:" nil t)
1761 (setq cc-count (1+ cc-count)))
1762 (when (> cc-count 1)
1763 (while (> cc-count 0)
1764 (goto-char (point-min))
1766 (re-search-forward "^cc:" nil nil cc-count)
1768 (narrow-to-region (point) (point-max))
1769 (gnus-article-hide-header "cc"))
1770 (setq cc-count (1- cc-count)))))))))))))
1772 (defun gnus-article-hide-header (header)
1774 (goto-char (point-min))
1775 (when (re-search-forward (concat "^" header ":") nil t)
1776 (gnus-article-hide-text-type
1780 (if (re-search-forward "^[^ \t]" nil t)
1785 (defvar gnus-article-normalized-header-length 40
1786 "Length of normalized headers.")
1788 (defun article-normalize-headers ()
1789 "Make all header lines 40 characters long."
1791 (let ((buffer-read-only nil)
1795 (article-narrow-to-head)
1798 ((< (setq column (- (point-at-eol) (point)))
1799 gnus-article-normalized-header-length)
1801 (insert (make-string
1802 (- gnus-article-normalized-header-length column)
1804 ((> column gnus-article-normalized-header-length)
1805 (gnus-put-text-property
1807 (forward-char gnus-article-normalized-header-length)
1814 (forward-line 1))))))
1816 (defun article-treat-dumbquotes ()
1817 "Translate M****s*** sm*rtq**t*s and other symbols into proper text.
1818 Note that this function guesses whether a character is a sm*rtq**t* or
1819 not, so it should only be used interactively.
1821 Sm*rtq**t*s are M****s***'s unilateral extension to the
1822 iso-8859-1 character map in an attempt to provide more quoting
1823 characters. If you see something like \\222 or \\264 where
1824 you're expecting some kind of apostrophe or quotation mark, then
1827 (article-translate-strings gnus-article-dumbquotes-map))
1829 (defun article-translate-characters (from to)
1830 "Translate all characters in the body of the article according to FROM and TO.
1831 FROM is a string of characters to translate from; to is a string of
1832 characters to translate to."
1834 (when (article-goto-body)
1835 (let ((buffer-read-only nil)
1836 (x (make-string 225 ?x))
1838 (while (< (incf i) (length x))
1841 (while (< i (length from))
1842 (aset x (aref from i) (aref to i))
1844 (translate-region (point) (point-max) x)))))
1846 (defun article-translate-strings (map)
1847 "Translate all string in the body of the article according to MAP.
1848 MAP is an alist where the elements are on the form (\"from\" \"to\")."
1850 (when (article-goto-body)
1851 (let ((buffer-read-only nil)
1853 (while (setq elem (pop map))
1855 (while (search-forward (car elem) nil t)
1856 (replace-match (cadr elem)))))))))
1858 (defun article-treat-overstrike ()
1859 "Translate overstrikes into bold text."
1862 (when (article-goto-body)
1863 (let ((buffer-read-only nil))
1864 (while (search-forward "\b" nil t)
1865 (let ((next (char-after))
1866 (previous (char-after (- (point) 2))))
1867 ;; We do the boldification/underlining by hiding the
1868 ;; overstrikes and putting the proper text property
1872 (gnus-article-hide-text-type (- (point) 2) (point) 'overstrike)
1873 (put-text-property (point) (1+ (point)) 'face 'bold))
1875 (gnus-article-hide-text-type
1876 (1- (point)) (1+ (point)) 'overstrike)
1878 (- (point) 2) (1- (point)) 'face 'underline))
1880 (gnus-article-hide-text-type (- (point) 2) (point) 'overstrike)
1882 (point) (1+ (point)) 'face 'underline)))))))))
1884 (defun article-treat-ansi-sequences ()
1885 "Translate ANSI SGR control sequences into overlays or extents."
1888 (when (article-goto-body)
1889 (let ((buffer-read-only nil))
1890 (ansi-color-apply-on-region (point) (point-max))))))
1892 (defun gnus-article-treat-unfold-headers ()
1893 "Unfold folded message headers.
1894 Only the headers that fit into the current window width will be
1897 (gnus-with-article-headers
1901 (mail-header-narrow-to-field)
1902 (let ((header (buffer-string)))
1905 (goto-char (point-min))
1906 (while (re-search-forward "\n[\t ]" nil t)
1907 (replace-match " " t t)))
1908 (setq length (- (point-max) (point-min) 1)))
1909 (when (< length (window-width))
1910 (while (re-search-forward "\n[\t ]" nil t)
1911 (replace-match " " t t)))
1912 (goto-char (point-max)))))))
1914 (defun gnus-article-treat-fold-headers ()
1915 "Fold message headers."
1917 (gnus-with-article-headers
1920 (mail-header-narrow-to-field)
1921 (mail-header-fold-field)
1922 (goto-char (point-max))))))
1924 (defun gnus-treat-smiley ()
1925 "Toggle display of textual emoticons (\"smileys\") as small graphical icons."
1927 (gnus-with-article-buffer
1928 (if (memq 'smiley gnus-article-wash-types)
1929 (gnus-delete-images 'smiley)
1931 (let ((images (smiley-region (point) (point-max))))
1933 (gnus-add-wash-type 'smiley)
1934 (dolist (image images)
1935 (gnus-add-image 'smiley image)))))))
1937 (defun gnus-article-remove-images ()
1938 "Remove all images from the article buffer."
1940 (gnus-with-article-buffer
1941 (dolist (elem gnus-article-image-alist)
1942 (gnus-delete-images (car elem)))))
1944 (defun gnus-article-treat-fold-newsgroups ()
1945 "Unfold folded message headers.
1946 Only the headers that fit into the current window width will be
1949 (gnus-with-article-headers
1950 (while (gnus-article-goto-header "newsgroups\\|followup-to")
1952 (mail-header-narrow-to-field)
1953 (while (re-search-forward ", *" nil t)
1954 (replace-match ", " t t))
1955 (mail-header-fold-field)
1956 (goto-char (point-max))))))
1958 (defun gnus-article-treat-body-boundary ()
1959 "Place a boundary line at the end of the headers."
1961 (when (and gnus-body-boundary-delimiter
1962 (> (length gnus-body-boundary-delimiter) 0))
1963 (gnus-with-article-headers
1964 (goto-char (point-max))
1965 (let ((start (point)))
1966 (insert "X-Boundary: ")
1967 (gnus-add-text-properties start (point) '(invisible t intangible t))
1969 (while (>= (1- (window-width)) (length str))
1970 (setq str (concat str gnus-body-boundary-delimiter)))
1971 (substring str 0 (1- (window-width))))
1973 (gnus-put-text-property start (point) 'gnus-decoration 'header)))))
1975 (defun article-fill-long-lines ()
1976 "Fill lines that are wider than the window width."
1979 (let ((buffer-read-only nil)
1980 (width (window-width (get-buffer-window (current-buffer)))))
1983 (let ((adaptive-fill-mode nil)) ;Why? -sm
1986 (when (>= (current-column) (min fill-column width))
1987 (narrow-to-region (min (1+ (point)) (point-max))
1989 (let ((goback (point-marker)))
1990 (fill-paragraph nil)
1991 (goto-char (marker-position goback)))
1993 (forward-line 1)))))))
1995 (defun article-capitalize-sentences ()
1996 "Capitalize the first word in each sentence."
1999 (let ((buffer-read-only nil)
2000 (paragraph-start "^[\n\^L]"))
2004 (forward-sentence)))))
2006 (defun article-remove-cr ()
2007 "Remove trailing CRs and then translate remaining CRs into LFs."
2010 (let ((buffer-read-only nil))
2011 (goto-char (point-min))
2012 (while (re-search-forward "\r+$" nil t)
2013 (replace-match "" t t))
2014 (goto-char (point-min))
2015 (while (search-forward "\r" nil t)
2016 (replace-match "\n" t t)))))
2018 (defun article-remove-trailing-blank-lines ()
2019 "Remove all trailing blank lines from the article."
2022 (let ((buffer-read-only nil))
2023 (goto-char (point-max))
2027 (while (and (not (bobp))
2028 (looking-at "^[ \t]*$")
2029 (not (gnus-annotation-in-region-p
2030 (point) (point-at-eol))))
2036 (defvar gnus-face-properties-alist))
2038 (defun article-display-face ()
2039 "Display any Face headers in the header."
2041 (let ((wash-face-p buffer-read-only))
2042 (gnus-with-article-headers
2043 ;; When displaying parts, this function can be called several times on
2044 ;; the same article, without any intended toggle semantic (as typing `W
2045 ;; D d' would have). So face deletion must occur only when we come from
2046 ;; an interactive command, that is when the *Article* buffer is
2048 (if (and wash-face-p (memq 'face gnus-article-wash-types))
2049 (gnus-delete-images 'face)
2052 (when (and wash-face-p
2054 (goto-char (point-min))
2055 (not (re-search-forward "^Face:[\t ]*" nil t)))
2056 (gnus-buffer-live-p gnus-original-article-buffer))
2057 (set-buffer gnus-original-article-buffer))
2059 (mail-narrow-to-head)
2060 (while (gnus-article-goto-header "Face")
2061 (setq faces (nconc faces (list (mail-header-field-value)))))))
2062 (while (setq face (pop faces))
2063 (let ((png (gnus-convert-face-to-png face))
2067 (apply 'gnus-create-image png 'png t
2068 (cdr (assq 'png gnus-face-properties-alist))))
2069 (gnus-article-goto-header "from")
2071 (insert "From: [no `from' set]\n")
2073 (gnus-add-wash-type 'face)
2074 (gnus-add-image 'face image)
2075 (gnus-put-image image nil 'face))))))
2078 (defun article-display-x-face (&optional force)
2079 "Look for an X-Face header and display it if present."
2080 (interactive (list 'force))
2081 (let ((wash-face-p buffer-read-only)) ;; When type `W f'
2082 (gnus-with-article-headers
2083 ;; Delete the old process, if any.
2084 (when (process-status "article-x-face")
2085 (delete-process "article-x-face"))
2086 ;; See the comment in `article-display-face'.
2087 (if (and wash-face-p (memq 'xface gnus-article-wash-types))
2088 ;; We have already displayed X-Faces, so we remove them
2090 (gnus-delete-images 'xface)
2092 (let (x-faces from face)
2094 (when (and wash-face-p
2096 (goto-char (point-min))
2097 (not (re-search-forward
2098 "^X-Face\\(-[0-9]+\\)?:[\t ]*" nil t)))
2099 (gnus-buffer-live-p gnus-original-article-buffer))
2100 ;; If type `W f', use gnus-original-article-buffer,
2101 ;; otherwise use the current buffer because displaying
2102 ;; RFC822 parts calls this function too.
2103 (set-buffer gnus-original-article-buffer))
2105 (mail-narrow-to-head)
2106 (while (gnus-article-goto-header "X-Face")
2107 (push (mail-header-field-value) x-faces))
2108 (setq from (message-fetch-field "from"))))
2109 ;; Sending multiple EOFs to xv doesn't work, so we only do a
2110 ;; single external face.
2111 (when (stringp gnus-article-x-face-command)
2112 (setq x-faces (list (car x-faces))))
2113 (while (and (setq face (pop x-faces))
2114 gnus-article-x-face-command
2116 ;; Check whether this face is censored.
2117 (not gnus-article-x-face-too-ugly)
2118 (and gnus-article-x-face-too-ugly from
2119 (not (string-match gnus-article-x-face-too-ugly
2121 ;; We display the face.
2122 (cond ((stringp gnus-article-x-face-command)
2123 ;; The command is a string, so we interpret the command
2124 ;; as a, well, command, and fork it off.
2125 (let ((process-connection-type nil))
2126 (process-kill-without-query
2128 "article-x-face" nil shell-file-name
2129 shell-command-switch gnus-article-x-face-command))
2132 (process-send-region "article-x-face"
2133 (point-min) (point-max)))
2134 (process-send-eof "article-x-face")))
2135 ((functionp gnus-article-x-face-command)
2136 ;; The command is a lisp function, so we call it.
2137 (funcall gnus-article-x-face-command face))
2139 (error "%s is not a function"
2140 gnus-article-x-face-command)))))))))
2142 (defun article-decode-mime-words ()
2143 "Decode all MIME-encoded words in the article."
2145 (gnus-with-article-buffer
2146 (let ((inhibit-point-motion-hooks t)
2147 (mail-parse-charset gnus-newsgroup-charset)
2148 (mail-parse-ignored-charsets
2149 (with-current-buffer gnus-summary-buffer
2150 gnus-newsgroup-ignored-charsets)))
2151 (mail-decode-encoded-word-region (point-min) (point-max)))))
2153 (defun article-decode-charset (&optional prompt)
2154 "Decode charset-encoded text in the article.
2155 If PROMPT (the prefix), prompt for a coding system to use."
2157 (let ((inhibit-point-motion-hooks t) (case-fold-search t)
2159 (mail-parse-charset gnus-newsgroup-charset)
2160 (mail-parse-ignored-charsets
2161 (save-excursion (condition-case nil
2162 (set-buffer gnus-summary-buffer)
2164 gnus-newsgroup-ignored-charsets))
2165 ct cte ctl charset format)
2168 (article-narrow-to-head)
2169 (setq ct (message-fetch-field "Content-Type" t)
2170 cte (message-fetch-field "Content-Transfer-Encoding" t)
2171 ctl (and ct (ignore-errors
2172 (mail-header-parse-content-type ct)))
2175 (mm-read-coding-system "Charset to decode: "))
2177 (mail-content-type-get ctl 'charset)))
2178 format (and ctl (mail-content-type-get ctl 'format)))
2180 (setq cte (mail-header-strip cte)))
2181 (if (and ctl (not (string-match "/" (car ctl))))
2183 (goto-char (point-max)))
2186 (narrow-to-region (point) (point-max))
2187 (when (and (eq mail-parse-charset 'gnus-decoded)
2188 (eq (mm-body-7-or-8) '8bit))
2189 ;; The text code could have been decoded.
2190 (setq charset mail-parse-charset))
2191 (when (and (or (not ctl)
2192 (equal (car ctl) "text/plain"))
2193 (not format)) ;; article with format will decode later.
2195 charset (and cte (intern (downcase
2196 (gnus-strip-whitespace cte))))
2199 (defun article-decode-encoded-words ()
2200 "Remove encoded-word encoding from headers."
2201 (let ((inhibit-point-motion-hooks t)
2202 (mail-parse-charset gnus-newsgroup-charset)
2203 (mail-parse-ignored-charsets
2204 (save-excursion (condition-case nil
2205 (set-buffer gnus-summary-buffer)
2207 gnus-newsgroup-ignored-charsets))
2210 (article-narrow-to-head)
2211 (funcall gnus-decode-header-function (point-min) (point-max)))))
2213 (defun article-decode-group-name ()
2214 "Decode group names in `Newsgroups:'."
2215 (let ((inhibit-point-motion-hooks t)
2217 (method (gnus-find-method-for-group gnus-newsgroup-name)))
2218 (when (and (or gnus-group-name-charset-method-alist
2219 gnus-group-name-charset-group-alist)
2220 (gnus-buffer-live-p gnus-original-article-buffer))
2222 (article-narrow-to-head)
2223 (with-current-buffer gnus-original-article-buffer
2224 (goto-char (point-min)))
2225 (while (re-search-forward
2226 "^Newsgroups:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]" nil t)
2227 (replace-match (save-match-data
2228 (gnus-decode-newsgroups
2229 ;; XXX how to use data in article buffer?
2230 (with-current-buffer gnus-original-article-buffer
2232 "^Newsgroups:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]"
2235 gnus-newsgroup-name method))
2237 (goto-char (point-min))
2238 (with-current-buffer gnus-original-article-buffer
2239 (goto-char (point-min)))
2240 (while (re-search-forward
2241 "^Followup-To:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]" nil t)
2242 (replace-match (save-match-data
2243 (gnus-decode-newsgroups
2244 ;; XXX how to use data in article buffer?
2245 (with-current-buffer gnus-original-article-buffer
2247 "^Followup-To:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]"
2250 gnus-newsgroup-name method))
2253 (autoload 'idna-to-unicode "idna")
2255 (defun article-decode-idna-rhs ()
2256 "Decode IDNA strings in RHS in From:, To: and Cc: headers in current buffer."
2259 (let ((inhibit-point-motion-hooks t)
2261 (article-narrow-to-head)
2262 (goto-char (point-min))
2263 (while (re-search-forward "@.*\\(xn--[-A-Za-z0-9.]*\\)[ \t\n\r,>]" nil t)
2265 (when (save-match-data
2266 (and (setq ace (match-string 1))
2268 (and (re-search-backward "^[^ \t]" nil t)
2269 (looking-at "From\\|To\\|Cc")))
2270 (setq unicode (idna-to-unicode ace))))
2271 (unless (string= ace unicode)
2272 (replace-match unicode nil nil nil 1)))))))))
2274 (defun article-de-quoted-unreadable (&optional force read-charset)
2275 "Translate a quoted-printable-encoded article.
2276 If FORCE, decode the article whether it is marked as quoted-printable
2278 If READ-CHARSET, ask for a coding system."
2279 (interactive (list 'force current-prefix-arg))
2281 (let ((buffer-read-only nil) type charset)
2282 (if (gnus-buffer-live-p gnus-original-article-buffer)
2283 (with-current-buffer gnus-original-article-buffer
2285 (gnus-fetch-field "content-transfer-encoding"))
2286 (let* ((ct (gnus-fetch-field "content-type"))
2289 (mail-header-parse-content-type ct)))))
2290 (setq charset (and ctl
2291 (mail-content-type-get ctl 'charset)))
2292 (if (stringp charset)
2293 (setq charset (intern (downcase charset)))))))
2295 (setq charset (mm-read-coding-system "Charset: " charset)))
2297 (setq charset gnus-newsgroup-charset))
2299 (and type (let ((case-fold-search t))
2300 (string-match "quoted-printable" type))))
2302 (quoted-printable-decode-region
2303 (point) (point-max) (mm-charset-to-coding-system charset))))))
2305 (defun article-de-base64-unreadable (&optional force read-charset)
2306 "Translate a base64 article.
2307 If FORCE, decode the article whether it is marked as base64 not.
2308 If READ-CHARSET, ask for a coding system."
2309 (interactive (list 'force current-prefix-arg))
2311 (let ((buffer-read-only nil) type charset)
2312 (if (gnus-buffer-live-p gnus-original-article-buffer)
2313 (with-current-buffer gnus-original-article-buffer
2315 (gnus-fetch-field "content-transfer-encoding"))
2316 (let* ((ct (gnus-fetch-field "content-type"))
2319 (mail-header-parse-content-type ct)))))
2320 (setq charset (and ctl
2321 (mail-content-type-get ctl 'charset)))
2322 (if (stringp charset)
2323 (setq charset (intern (downcase charset)))))))
2325 (setq charset (mm-read-coding-system "Charset: " charset)))
2327 (setq charset gnus-newsgroup-charset))
2329 (and type (let ((case-fold-search t))
2330 (string-match "base64" type))))
2333 (narrow-to-region (point) (point-max))
2334 (base64-decode-region (point-min) (point-max))
2335 (mm-decode-coding-region
2336 (point-min) (point-max) (mm-charset-to-coding-system charset)))))))
2341 (defun article-decode-HZ ()
2342 "Translate a HZ-encoded article."
2346 (let ((buffer-read-only nil))
2347 (rfc1843-decode-region (point-min) (point-max)))))
2349 (defun article-unsplit-urls ()
2350 "Remove the newlines that some other mailers insert into URLs."
2353 (let ((buffer-read-only nil))
2354 (goto-char (point-min))
2355 (while (re-search-forward
2356 "^\\(\\(https?\\|ftp\\)://\\S-+\\) *\n\\(\\S-+\\)" nil t)
2357 (replace-match "\\1\\3" t)))
2358 (when (interactive-p)
2359 (gnus-treat-article nil))))
2362 (defun article-wash-html (&optional read-charset)
2363 "Format an HTML article.
2364 If READ-CHARSET, ask for a coding system."
2367 (let ((buffer-read-only nil)
2369 (when (gnus-buffer-live-p gnus-original-article-buffer)
2370 (with-current-buffer gnus-original-article-buffer
2371 (let* ((ct (gnus-fetch-field "content-type"))
2374 (mail-header-parse-content-type ct)))))
2375 (setq charset (and ctl
2376 (mail-content-type-get ctl 'charset)))
2377 (when (stringp charset)
2378 (setq charset (intern (downcase charset)))))))
2380 (setq charset (mm-read-coding-system "Charset: " charset)))
2382 (setq charset gnus-newsgroup-charset))
2384 (save-window-excursion
2386 (narrow-to-region (point) (point-max))
2387 (let* ((func (or gnus-article-wash-function mm-text-html-renderer))
2388 (entry (assq func mm-text-html-washer-alist)))
2390 (setq func (cdr entry)))
2395 (apply (car func) (cdr func))))))))))
2397 (defun gnus-article-wash-html-with-w3 ()
2398 "Wash the current buffer with w3."
2400 (let ((w3-strict-width (window-width))
2401 (url-standalone-mode t)
2402 (url-gateway-unplugged t)
2403 (w3-honor-stylesheets nil))
2405 (w3-region (point-min) (point-max))
2408 (defun gnus-article-wash-html-with-w3m ()
2409 "Wash the current buffer with emacs-w3m."
2412 (narrow-to-region (point) (point-max))
2413 (let ((w3m-safe-url-regexp mm-w3m-safe-url-regexp)
2414 w3m-force-redisplay)
2415 (w3m-region (point-min) (point-max)))
2416 (when (and mm-inline-text-html-with-w3m-keymap
2417 (boundp 'w3m-minor-mode-map)
2419 (add-text-properties
2420 (point-min) (point-max)
2421 (list 'keymap w3m-minor-mode-map
2422 ;; Put the mark meaning this part was rendered by emacs-w3m.
2423 'mm-inline-text-html-with-w3m t)))))
2425 (defun article-hide-list-identifiers ()
2426 "Remove list identifies from the Subject header.
2427 The `gnus-list-identifiers' variable specifies what to do."
2429 (let ((inhibit-point-motion-hooks t)
2430 (regexp (if (consp gnus-list-identifiers)
2431 (mapconcat 'identity gnus-list-identifiers " *\\|")
2432 gnus-list-identifiers))
2437 (article-narrow-to-head)
2438 (goto-char (point-min))
2439 (while (re-search-forward
2440 (concat "^Subject: +\\(R[Ee]: +\\)*\\(" regexp " *\\)")
2442 (delete-region (match-beginning 2) (match-end 0))
2443 (beginning-of-line))
2444 (when (re-search-forward
2445 "^Subject: +\\(\\(R[Ee]: +\\)+\\)R[Ee]: +" nil t)
2446 (delete-region (match-beginning 1) (match-end 1))))))))
2448 (defun article-hide-pem (&optional arg)
2449 "Toggle hiding of any PEM headers and signatures in the current article.
2450 If given a negative prefix, always show; if given a positive prefix,
2452 (interactive (gnus-article-hidden-arg))
2453 (unless (gnus-article-check-hidden-text 'pem arg)
2455 (let (buffer-read-only end)
2456 (goto-char (point-min))
2457 ;; Hide the horrendously ugly "header".
2458 (when (and (search-forward
2459 "\n-----BEGIN PRIVACY-ENHANCED MESSAGE-----\n"
2461 (setq end (1+ (match-beginning 0))))
2462 (gnus-add-wash-type 'pem)
2463 (gnus-article-hide-text-type
2465 (if (search-forward "\n\n" nil t)
2469 ;; Hide the trailer as well
2470 (when (search-forward "\n-----END PRIVACY-ENHANCED MESSAGE-----\n"
2472 (gnus-article-hide-text-type
2473 (match-beginning 0) (match-end 0) 'pem)))))))
2475 (defun article-strip-banner ()
2476 "Strip the banners specified by the `banner' group parameter and by
2477 `gnus-article-address-banner-alist'."
2481 (let ((inhibit-point-motion-hooks t))
2482 (when (gnus-parameter-banner gnus-newsgroup-name)
2483 (article-really-strip-banner
2484 (gnus-parameter-banner gnus-newsgroup-name)))
2485 (when gnus-article-address-banner-alist
2486 ;; It is necessary to encode from fields before checking,
2487 ;; because `mail-header-parse-addresses' does not work
2488 ;; (reliably) on decoded headers. And more, it is
2489 ;; impossible to use `gnus-fetch-original-field' here,
2490 ;; because `article-strip-banner' may be called in draft
2491 ;; buffers to preview them.
2492 (let ((from (save-restriction
2494 (article-narrow-to-head)
2495 (mail-fetch-field "from"))))
2498 (caar (mail-header-parse-addresses
2499 (mail-encode-encoded-word-string from)))))
2501 (dolist (pair gnus-article-address-banner-alist)
2502 (when (string-match (car pair) from)
2504 (article-really-strip-banner (cdr pair)))))))))))))
2506 (defun article-really-strip-banner (banner)
2507 "Strip the banner specified by the argument."
2510 (let ((inhibit-point-motion-hooks t)
2511 (gnus-signature-limit nil)
2515 ((eq banner 'signature)
2516 (when (gnus-article-narrow-to-signature)
2519 (delete-region (point) (point-max))))
2521 (if (setq banner (cdr (assq banner gnus-article-banner-alist)))
2522 (while (re-search-forward banner nil t)
2523 (delete-region (match-beginning 0) (match-end 0)))))
2525 (while (re-search-forward banner nil t)
2526 (delete-region (match-beginning 0) (match-end 0)))))))))
2528 (defun article-babel ()
2529 "Translate article using an online translation service."
2532 (gnus-with-article-buffer
2533 (when (article-goto-body)
2534 (let* ((start (point))
2536 (orig (buffer-substring start end))
2537 (trans (babel-as-string orig)))
2539 (narrow-to-region start end)
2540 (delete-region start end)
2543 (defun article-hide-signature (&optional arg)
2544 "Hide the signature in the current article.
2545 If given a negative prefix, always show; if given a positive prefix,
2547 (interactive (gnus-article-hidden-arg))
2548 (unless (gnus-article-check-hidden-text 'signature arg)
2551 (let ((buffer-read-only nil))
2552 (when (gnus-article-narrow-to-signature)
2553 (gnus-article-hide-text-type
2554 (point-min) (point-max) 'signature))))))
2555 (gnus-set-mode-line 'article))
2557 (defun article-strip-headers-in-body ()
2558 "Strip offensive headers from bodies."
2562 (let ((case-fold-search t))
2563 (when (looking-at "x-no-archive:")
2564 (gnus-delete-line)))))
2566 (defun article-strip-leading-blank-lines ()
2567 "Remove all blank lines from the beginning of the article."
2570 (let ((inhibit-point-motion-hooks t)
2572 (when (article-goto-body)
2573 (while (and (not (eobp))
2574 (looking-at "[ \t]*$"))
2575 (gnus-delete-line))))))
2577 (defun article-narrow-to-head ()
2578 "Narrow the buffer to the head of the message.
2579 Point is left at the beginning of the narrowed-to region."
2581 (goto-char (point-min))
2582 (if (search-forward "\n\n" nil 1)
2585 (goto-char (point-min)))
2587 (defun article-goto-body ()
2588 "Place point at the start of the body."
2589 (goto-char (point-min))
2591 ;; This variable is only bound when dealing with separate
2593 (article-goto-body-goes-to-point-min-p
2595 ((search-forward "\n\n" nil t)
2598 (goto-char (point-max))
2601 (defun article-strip-multiple-blank-lines ()
2602 "Replace consecutive blank lines with one empty line."
2605 (let ((inhibit-point-motion-hooks t)
2607 ;; First make all blank lines empty.
2609 (while (re-search-forward "^[ \t]+$" nil t)
2610 (unless (gnus-annotation-in-region-p
2611 (match-beginning 0) (match-end 0))
2612 (replace-match "" nil t)))
2613 ;; Then replace multiple empty lines with a single empty line.
2615 (while (re-search-forward "\n\n\\(\n+\\)" nil t)
2616 (unless (gnus-annotation-in-region-p
2617 (match-beginning 0) (match-end 0))
2618 (delete-region (match-beginning 1) (match-end 1)))))))
2620 (defun article-strip-leading-space ()
2621 "Remove all white space from the beginning of the lines in the article."
2624 (let ((inhibit-point-motion-hooks t)
2627 (while (re-search-forward "^[ \t]+" nil t)
2628 (replace-match "" t t)))))
2630 (defun article-strip-trailing-space ()
2631 "Remove all white space from the end of the lines in the article."
2634 (let ((inhibit-point-motion-hooks t)
2637 (while (re-search-forward "[ \t]+$" nil t)
2638 (replace-match "" t t)))))
2640 (defun article-strip-blank-lines ()
2641 "Strip leading, trailing and multiple blank lines."
2643 (article-strip-leading-blank-lines)
2644 (article-remove-trailing-blank-lines)
2645 (article-strip-multiple-blank-lines))
2647 (defun article-strip-all-blank-lines ()
2648 "Strip all blank lines."
2651 (let ((inhibit-point-motion-hooks t)
2654 (while (re-search-forward "^[ \t]*\n" nil t)
2655 (replace-match "" t t)))))
2657 (defun gnus-article-narrow-to-signature ()
2658 "Narrow to the signature; return t if a signature is found, else nil."
2659 (let ((inhibit-point-motion-hooks t))
2660 (when (gnus-article-search-signature)
2662 ;; Check whether we have some limits to what we consider
2663 ;; to be a signature.
2664 (let ((limits (if (listp gnus-signature-limit) gnus-signature-limit
2665 (list gnus-signature-limit)))
2667 (while (setq limit (pop limits))
2668 (if (or (and (integerp limit)
2669 (< (- (point-max) (point)) limit))
2671 (< (count-lines (point) (point-max)) limit))
2672 (and (functionp limit)
2674 (and (stringp limit)
2675 (not (re-search-forward limit nil t))))
2676 () ; This limit did not succeed.
2680 (narrow-to-region (point) (point-max))
2683 (defun gnus-article-search-signature ()
2684 "Search the current buffer for the signature separator.
2685 Put point at the beginning of the signature separator."
2686 (let ((cur (point)))
2687 (goto-char (point-max))
2688 (if (if (stringp gnus-signature-separator)
2689 (re-search-backward gnus-signature-separator nil t)
2690 (let ((seps gnus-signature-separator))
2692 (not (re-search-backward (car seps) nil t)))
2699 (defun gnus-article-hidden-arg ()
2700 "Return the current prefix arg as a number, or 0 if no prefix."
2701 (list (if current-prefix-arg
2702 (prefix-numeric-value current-prefix-arg)
2705 (defun gnus-article-check-hidden-text (type arg)
2706 "Return nil if hiding is necessary.
2707 Arg can be nil or a number. nil and positive means hide, negative
2708 means show, 0 means toggle."
2711 (let ((hide (gnus-article-hidden-text-p type)))
2717 (gnus-article-show-hidden-text type)
2720 (if (eq hide 'hidden)
2722 (gnus-article-show-hidden-text type)
2726 (defun gnus-article-hidden-text-p (type)
2727 "Say whether the current buffer contains hidden text of type TYPE."
2728 (let ((pos (text-property-any (point-min) (point-max) 'article-type type)))
2730 (not (get-text-property pos 'invisible))
2731 (not (get-text-property pos 'dummy-invisible)))
2733 (text-property-any (1+ pos) (point-max) 'article-type type)))
2738 (defun gnus-article-show-hidden-text (type &optional dummy)
2739 "Show all hidden text of type TYPE.
2740 Originally it is hide instead of DUMMY."
2741 (let ((buffer-read-only nil)
2742 (inhibit-point-motion-hooks t))
2743 (gnus-remove-text-properties-when
2745 (point-min) (point-max)
2746 (cons 'article-type (cons type
2747 gnus-hidden-properties)))
2748 (gnus-delete-wash-type type)))
2750 (defconst article-time-units
2751 `((year . ,(* 365.25 24 60 60))
2752 (week . ,(* 7 24 60 60))
2753 (day . ,(* 24 60 60))
2757 "Mapping from time units to seconds.")
2759 (defun gnus-article-forward-header ()
2760 "Move point to the start of the next header.
2761 If the current header is a continuation header, this can be several
2766 (if (looking-at "[ \t]+[^ \t]")
2770 (defun article-date-ut (&optional type highlight header)
2771 "Convert DATE date to universal time in the current article.
2772 If TYPE is `local', convert to local time; if it is `lapsed', output
2773 how much time has lapsed since DATE. For `lapsed', the value of
2774 `gnus-article-date-lapsed-new-header' says whether the \"X-Sent:\" header
2775 should replace the \"Date:\" one, or should be added below it."
2776 (interactive (list 'ut t))
2777 (let* ((header (or header
2778 (message-fetch-field "date")
2780 (tdate-regexp "^Date:[ \t]\\|^X-Sent:[ \t]")
2783 ((not gnus-article-date-lapsed-new-header)
2789 (date (if (vectorp header) (mail-header-date header)
2791 (inhibit-point-motion-hooks t)
2796 (article-narrow-to-head)
2797 (when (re-search-forward tdate-regexp nil t)
2798 (setq bface (get-text-property (point-at-bol) 'face)
2799 date (or (get-text-property (point-at-bol)
2802 eface (get-text-property (1- (point-at-eol)) 'face))
2804 (when (and date (not (string= date "")))
2805 (goto-char (point-min))
2806 (let ((buffer-read-only nil))
2807 ;; Delete any old Date headers.
2808 (while (re-search-forward date-regexp nil t)
2810 (delete-region (point-at-bol)
2811 (progn (gnus-article-forward-header)
2813 (delete-region (point-at-bol)
2814 (progn (gnus-article-forward-header)
2817 (setq pos (point))))
2818 (when (and (not pos)
2819 (re-search-forward tdate-regexp nil t))
2821 (gnus-goto-char pos)
2822 (insert (article-make-date-line date (or type 'ut)))
2828 (when (looking-at "\\([^:]+\\): *\\(.*\\)$")
2829 (put-text-property (match-beginning 1) (1+ (match-end 1))
2830 'original-date date)
2831 (put-text-property (match-beginning 1) (1+ (match-end 1))
2833 (put-text-property (match-beginning 2) (match-end 2)
2836 (defun article-make-date-line (date type)
2837 "Return a DATE line of TYPE."
2838 (unless (memq type '(local ut original user iso8601 lapsed english))
2839 (error "Unknown conversion type: %s" type))
2841 (let ((time (date-to-time date)))
2843 ;; Convert to the local timezone.
2845 (let ((tz (car (current-time-zone time))))
2846 (format "Date: %s %s%02d%02d" (current-time-string time)
2847 (if (> tz 0) "+" "-") (/ (abs tz) 3600)
2848 (/ (% (abs tz) 3600) 60))))
2849 ;; Convert to Universal Time.
2852 (current-time-string
2853 (let* ((e (parse-time-string date))
2854 (tm (apply 'encode-time e))
2856 (ls (- (cadr tm) (car (current-time-zone time)))))
2857 (cond ((< ls 0) (list (1- ms) (+ ls 65536)))
2858 ((> ls 65535) (list (1+ ms) (- ls 65536)))
2861 ;; Get the original date from the article.
2862 ((eq type 'original)
2863 (concat "Date: " (if (string-match "\n+$" date)
2864 (substring date 0 (match-beginning 0))
2866 ;; Let the user define the format.
2868 (let ((format (or (condition-case nil
2869 (with-current-buffer gnus-summary-buffer
2870 gnus-article-time-format)
2872 gnus-article-time-format)))
2873 (if (functionp format)
2874 (funcall format time)
2875 (concat "Date: " (format-time-string format time)))))
2878 (let ((tz (car (current-time-zone time))))
2881 (format-time-string "%Y%m%dT%H%M%S" time)
2882 (format "%s%02d%02d"
2883 (if (> tz 0) "+" "-") (/ (abs tz) 3600)
2884 (/ (% (abs tz) 3600) 60)))))
2885 ;; Do an X-Sent lapsed format.
2887 ;; If the date is seriously mangled, the timezone functions are
2888 ;; liable to bug out, so we ignore all errors.
2889 (let* ((now (current-time))
2890 (real-time (subtract-time now time))
2891 (real-sec (and real-time
2892 (+ (* (float (car real-time)) 65536)
2894 (sec (and real-time (abs real-sec)))
2904 ;; This is a bit convoluted, but basically we go
2905 ;; through the time units for years, weeks, etc,
2906 ;; and divide things to see whether that results
2907 ;; in positive answers.
2910 (if (zerop (setq num (ffloor (/ sec (cdr unit)))))
2911 ;; The (remaining) seconds are too few to
2912 ;; be divided into this time unit.
2914 ;; It's big enough, so we output it.
2915 (setq sec (- sec (* num (cdr unit))))
2917 (concat (if prev ", " "") (int-to-string
2919 " " (symbol-name (car unit))
2920 (if (> num 1) "s" ""))
2922 article-time-units "")
2923 ;; If dates are odd, then it might appear like the
2924 ;; article was sent in the future.
2927 " in the future"))))))
2928 ;; Display the date in proper English
2930 (let ((dtime (decode-time time)))
2933 (number-to-string (nth 3 dtime))
2934 (let ((digit (% (nth 3 dtime) 10)))
2936 ((memq (nth 3 dtime) '(11 12 13)) "th")
2942 (nth (1- (nth 4 dtime)) gnus-english-month-names)
2944 (number-to-string (nth 5 dtime))
2946 (format "%02d" (nth 2 dtime))
2948 (format "%02d" (nth 1 dtime)))))))
2950 (format "Date: %s (from Gnus)" date))))
2952 (defun article-date-local (&optional highlight)
2953 "Convert the current article date to the local timezone."
2954 (interactive (list t))
2955 (article-date-ut 'local highlight))
2957 (defun article-date-english (&optional highlight)
2958 "Convert the current article date to something that is proper English."
2959 (interactive (list t))
2960 (article-date-ut 'english highlight))
2962 (defun article-date-original (&optional highlight)
2963 "Convert the current article date to what it was originally.
2964 This is only useful if you have used some other date conversion
2965 function and want to see what the date was before converting."
2966 (interactive (list t))
2967 (article-date-ut 'original highlight))
2969 (defun article-date-lapsed (&optional highlight)
2970 "Convert the current article date to time lapsed since it was sent."
2971 (interactive (list t))
2972 (article-date-ut 'lapsed highlight))
2974 (defun article-update-date-lapsed ()
2975 "Function to be run from a timer to update the lapsed time line."
2976 (let (deactivate-mark)
2981 (set-buffer (window-buffer w))
2982 (when (eq major-mode 'gnus-article-mode)
2983 (let ((mark (point-marker)))
2984 (goto-char (point-min))
2985 (when (re-search-forward "^X-Sent:" nil t)
2986 (article-date-lapsed t))
2987 (goto-char (marker-position mark))
2988 (move-marker mark nil))))
2991 (defun gnus-start-date-timer (&optional n)
2992 "Start a timer to update the X-Sent header in the article buffers.
2993 The numerical prefix says how frequently (in seconds) the function
2998 (gnus-stop-date-timer)
2999 (setq article-lapsed-timer
3000 (run-at-time 1 n 'article-update-date-lapsed)))
3002 (defun gnus-stop-date-timer ()
3003 "Stop the X-Sent timer."
3005 (when article-lapsed-timer
3006 (nnheader-cancel-timer article-lapsed-timer)
3007 (setq article-lapsed-timer nil)))
3009 (defun article-date-user (&optional highlight)
3010 "Convert the current article date to the user-defined format.
3011 This format is defined by the `gnus-article-time-format' variable."
3012 (interactive (list t))
3013 (article-date-ut 'user highlight))
3015 (defun article-date-iso8601 (&optional highlight)
3016 "Convert the current article date to ISO8601."
3017 (interactive (list t))
3018 (article-date-ut 'iso8601 highlight))
3020 ;; (defun article-show-all ()
3021 ;; "Show all hidden text in the article buffer."
3024 ;; (let ((buffer-read-only nil))
3025 ;; (gnus-article-unhide-text (point-min) (point-max)))))
3027 (defun article-remove-leading-whitespace ()
3028 "Remove excessive whitespace from all headers."
3032 (let ((buffer-read-only nil))
3033 (article-narrow-to-head)
3034 (goto-char (point-min))
3035 (while (re-search-forward "^[^ :]+: \\([ \t]+\\)" nil t)
3036 (delete-region (match-beginning 1) (match-end 1)))))))
3038 (defun article-emphasize (&optional arg)
3039 "Emphasize text according to `gnus-emphasis-alist'."
3040 (interactive (gnus-article-hidden-arg))
3041 (unless (gnus-article-check-hidden-text 'emphasis arg)
3045 (with-current-buffer gnus-summary-buffer
3046 gnus-article-emphasis-alist)
3048 gnus-emphasis-alist))
3049 (buffer-read-only nil)
3050 (props (append '(article-type emphasis)
3051 gnus-hidden-properties))
3052 regexp elem beg invisible visible face)
3055 (while (setq elem (pop alist))
3057 (setq regexp (car elem)
3058 invisible (nth 1 elem)
3059 visible (nth 2 elem)
3061 (while (re-search-forward regexp nil t)
3062 (when (and (match-beginning visible) (match-beginning invisible))
3063 (gnus-article-hide-text
3064 (match-beginning invisible) (match-end invisible) props)
3065 (gnus-article-unhide-text-type
3066 (match-beginning visible) (match-end visible) 'emphasis)
3067 (gnus-put-overlay-excluding-newlines
3068 (match-beginning visible) (match-end visible) 'face face)
3069 (gnus-add-wash-type 'emphasis)
3070 (goto-char (match-end invisible)))))))))
3072 (defun gnus-article-setup-highlight-words (&optional highlight-words)
3073 "Setup newsgroup emphasis alist."
3074 (unless gnus-article-emphasis-alist
3075 (let ((name (and gnus-newsgroup-name
3076 (gnus-group-real-name gnus-newsgroup-name))))
3077 (make-local-variable 'gnus-article-emphasis-alist)
3078 (setq gnus-article-emphasis-alist
3080 (let ((alist gnus-group-highlight-words-alist) elem highlight)
3081 (while (setq elem (pop alist))
3082 (when (and name (string-match (car elem) name))
3084 highlight (copy-sequence (cdr elem)))))
3086 (copy-sequence highlight-words)
3087 (if gnus-newsgroup-name
3088 (copy-sequence (gnus-group-find-parameter
3089 gnus-newsgroup-name 'highlight-words t)))
3090 gnus-emphasis-alist)))))
3093 (defvar gnus-summary-article-menu)
3094 (defvar gnus-summary-post-menu))
3096 ;;; Saving functions.
3098 (defun gnus-article-save (save-buffer file &optional num)
3099 "Save the currently selected article."
3100 (unless gnus-save-all-headers
3101 ;; Remove headers according to `gnus-saved-headers'.
3102 (let ((gnus-visible-headers
3103 (or gnus-saved-headers gnus-visible-headers))
3104 (gnus-article-buffer save-buffer))
3106 (set-buffer save-buffer)
3107 (article-hide-headers 1 t))))
3108 (save-window-excursion
3109 (if (not gnus-default-article-saver)
3110 (error "No default saver is defined")
3111 ;; !!! Magic! The saving functions all save
3112 ;; `gnus-save-article-buffer' (or so they think), but we
3113 ;; bind that variable to our save-buffer.
3114 (set-buffer gnus-article-buffer)
3115 (let* ((gnus-save-article-buffer save-buffer)
3118 ((not gnus-prompt-before-saving) 'default)
3119 ((eq gnus-prompt-before-saving 'always) nil)
3121 (gnus-number-of-articles-to-be-saved
3122 (when (eq gnus-prompt-before-saving t)
3124 (set-buffer gnus-article-current-summary)
3125 (funcall gnus-default-article-saver filename)))))
3127 (defun gnus-read-save-file-name (prompt &optional filename
3128 function group headers variable)
3130 (funcall function group headers (symbol-value variable)))
3135 ((eq filename 'default)
3141 (let* ((split-name (gnus-get-split-value gnus-split-methods))
3144 (if (and gnus-number-of-articles-to-be-saved
3145 (> gnus-number-of-articles-to-be-saved 1))
3146 (format "these %d articles"
3147 gnus-number-of-articles-to-be-saved)
3150 ;; Let the split methods have their say.
3152 ;; No split name was found.
3155 (concat prompt " (default "
3156 (file-name-nondirectory default-name) ") ")
3157 (file-name-directory default-name)
3159 ;; A single group name is returned.
3160 ((stringp split-name)
3162 (funcall function split-name headers
3163 (symbol-value variable)))
3165 (concat prompt " (default "
3166 (file-name-nondirectory default-name) ") ")
3167 (file-name-directory default-name)
3169 ;; A single split name was found
3170 ((= 1 (length split-name))
3171 (let* ((name (expand-file-name
3173 gnus-article-save-directory))
3174 (dir (cond ((file-directory-p name)
3175 (file-name-as-directory name))
3176 ((file-exists-p name) name)
3177 (t gnus-article-save-directory))))
3179 (concat prompt " (default " name ") ")
3181 ;; A list of splits was found.
3183 (setq split-name (nreverse split-name))
3185 (let ((file-name-history
3186 (nconc split-name file-name-history)))
3190 (concat prompt " (`M-p' for defaults) ")
3191 gnus-article-save-directory
3193 gnus-article-save-directory)))
3194 (car (push result file-name-history)))))))
3195 ;; Create the directory.
3196 (gnus-make-directory (file-name-directory file))
3197 ;; If we have read a directory, we append the default file name.
3198 (when (file-directory-p file)
3199 (setq file (expand-file-name (file-name-nondirectory
3201 (file-name-as-directory file))))
3202 ;; Possibly translate some characters.
3203 (nnheader-translate-file-chars file))))))
3204 (gnus-make-directory (file-name-directory result))
3205 (set variable result)))
3207 (defun gnus-article-archive-name (group)
3208 "Return the first instance of an \"Archive-name\" in the current buffer."
3209 (let ((case-fold-search t))
3210 (when (re-search-forward "archive-name: *\\([^ \n\t]+\\)[ \t]*$" nil t)
3211 (nnheader-concat gnus-article-save-directory
3212 (match-string 1)))))
3214 (defun gnus-article-nndoc-name (group)
3215 "If GROUP is an nndoc group, return the name of the parent group."
3216 (when (eq (car (gnus-find-method-for-group group)) 'nndoc)
3217 (gnus-group-get-parameter group 'save-article-group)))
3219 (defun gnus-summary-save-in-rmail (&optional filename)
3220 "Append this article to Rmail file.
3221 Optional argument FILENAME specifies file name.
3222 Directory to save to is default to `gnus-article-save-directory'."
3223 (setq filename (gnus-read-save-file-name
3224 "Save %s in rmail file:" filename
3225 gnus-rmail-save-name gnus-newsgroup-name
3226 gnus-current-headers 'gnus-newsgroup-last-rmail))
3227 (gnus-eval-in-buffer-window gnus-save-article-buffer
3231 (gnus-output-to-rmail filename))))
3234 (defun gnus-summary-save-in-mail (&optional filename)
3235 "Append this article to Unix mail file.
3236 Optional argument FILENAME specifies file name.
3237 Directory to save to is default to `gnus-article-save-directory'."
3238 (setq filename (gnus-read-save-file-name
3239 "Save %s in Unix mail file:" filename
3240 gnus-mail-save-name gnus-newsgroup-name
3241 gnus-current-headers 'gnus-newsgroup-last-mail))
3242 (gnus-eval-in-buffer-window gnus-save-article-buffer
3246 (if (and (file-readable-p filename)
3247 (file-regular-p filename)
3248 (mail-file-babyl-p filename))
3249 (rmail-output-to-rmail-file filename t)
3250 (gnus-output-to-mail filename)))))
3253 (defun gnus-summary-save-in-file (&optional filename overwrite)
3254 "Append this article to file.
3255 Optional argument FILENAME specifies file name.
3256 Directory to save to is default to `gnus-article-save-directory'."
3257 (setq filename (gnus-read-save-file-name
3258 "Save %s in file:" filename
3259 gnus-file-save-name gnus-newsgroup-name
3260 gnus-current-headers 'gnus-newsgroup-last-file))
3261 (gnus-eval-in-buffer-window gnus-save-article-buffer
3265 (when (and overwrite
3266 (file-exists-p filename))
3267 (delete-file filename))
3268 (gnus-output-to-file filename))))
3271 (defun gnus-summary-write-to-file (&optional filename)
3272 "Write this article to a file, overwriting it if the file exists.
3273 Optional argument FILENAME specifies file name.
3274 The directory to save in defaults to `gnus-article-save-directory'."
3275 (gnus-summary-save-in-file nil t))
3277 (defun gnus-summary-save-body-in-file (&optional filename)
3278 "Append this article body to a file.
3279 Optional argument FILENAME specifies file name.
3280 The directory to save in defaults to `gnus-article-save-directory'."
3281 (setq filename (gnus-read-save-file-name
3282 "Save %s body in file:" filename
3283 gnus-file-save-name gnus-newsgroup-name
3284 gnus-current-headers 'gnus-newsgroup-last-file))
3285 (gnus-eval-in-buffer-window gnus-save-article-buffer
3289 (when (article-goto-body)
3290 (narrow-to-region (point) (point-max)))
3291 (gnus-output-to-file filename))))
3294 (defun gnus-summary-save-in-pipe (&optional command)
3295 "Pipe this article to subprocess."
3297 (cond ((and (eq command 'default)
3298 gnus-last-shell-command)
3299 gnus-last-shell-command)
3304 "Shell command on %s: "
3305 (if (and gnus-number-of-articles-to-be-saved
3306 (> gnus-number-of-articles-to-be-saved 1))
3307 (format "these %d articles"
3308 gnus-number-of-articles-to-be-saved)
3310 gnus-last-shell-command))))
3311 (when (string-equal command "")
3312 (if gnus-last-shell-command
3313 (setq command gnus-last-shell-command)
3314 (error "A command is required")))
3315 (gnus-eval-in-buffer-window gnus-article-buffer
3318 (shell-command-on-region (point-min) (point-max) command nil)))
3319 (setq gnus-last-shell-command command))
3321 (defun gnus-summary-pipe-to-muttprint (&optional command)
3322 "Pipe this article to muttprint."
3323 (setq command (read-string
3324 "Print using command: " gnus-summary-muttprint-program
3325 nil gnus-summary-muttprint-program))
3326 (gnus-summary-save-in-pipe command))
3328 ;;; Article file names when saving.
3330 (defun gnus-capitalize-newsgroup (newsgroup)
3331 "Capitalize NEWSGROUP name."
3332 (when (not (zerop (length newsgroup)))
3333 (concat (char-to-string (upcase (aref newsgroup 0)))
3334 (substring newsgroup 1))))
3336 (defun gnus-Numeric-save-name (newsgroup headers &optional last-file)
3337 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3338 If variable `gnus-use-long-file-name' is non-nil, it is ~/News/News.group/num.
3339 Otherwise, it is like ~/News/news/group/num."
3342 (concat (if (gnus-use-long-file-name 'not-save)
3343 (gnus-capitalize-newsgroup newsgroup)
3344 (gnus-newsgroup-directory-form newsgroup))
3345 "/" (int-to-string (mail-header-number headers)))
3346 gnus-article-save-directory)))
3348 (string-equal (file-name-directory default)
3349 (file-name-directory last-file))
3350 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
3352 (or last-file default))))
3354 (defun gnus-numeric-save-name (newsgroup headers &optional last-file)
3355 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3356 If variable `gnus-use-long-file-name' is non-nil, it is
3357 ~/News/news.group/num. Otherwise, it is like ~/News/news/group/num."
3360 (concat (if (gnus-use-long-file-name 'not-save)
3362 (gnus-newsgroup-directory-form newsgroup))
3363 "/" (int-to-string (mail-header-number headers)))
3364 gnus-article-save-directory)))
3366 (string-equal (file-name-directory default)
3367 (file-name-directory last-file))
3368 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
3370 (or last-file default))))
3372 (defun gnus-plain-save-name (newsgroup headers &optional last-file)
3373 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3374 If variable `gnus-use-long-file-name' is non-nil, it is
3375 ~/News/news.group. Otherwise, it is like ~/News/news/group/news."
3378 (if (gnus-use-long-file-name 'not-save)
3381 (expand-file-name "news" (gnus-newsgroup-directory-form newsgroup))
3383 gnus-article-save-directory)))
3385 (defun gnus-sender-save-name (newsgroup headers &optional last-file)
3386 "Generate file name from sender."
3387 (let ((from (mail-header-from headers)))
3389 (if (and from (string-match "\\([^ <]+\\)@" from))
3390 (match-string 1 from)
3392 gnus-article-save-directory)))
3394 (defun article-verify-x-pgp-sig ()
3397 (if (gnus-buffer-live-p gnus-original-article-buffer)
3398 (let ((sig (with-current-buffer gnus-original-article-buffer
3399 (gnus-fetch-field "X-PGP-Sig")))
3403 (mml2015-clear-verify-function))
3405 (insert-buffer-substring gnus-original-article-buffer)
3406 (setq items (split-string sig))
3407 (message-narrow-to-head)
3408 (let ((inhibit-point-motion-hooks t)
3409 (case-fold-search t))
3410 ;; Don't verify multiple headers.
3411 (setq headers (mapconcat (lambda (header)
3413 (mail-fetch-field header)
3415 (split-string (nth 1 items) ",") "")))
3416 (delete-region (point-min) (point-max))
3417 (insert "-----BEGIN PGP SIGNED MESSAGE-----\n\n")
3418 (insert "X-Signed-Headers: " (nth 1 items) "\n")
3423 (if (looking-at "^-")
3426 (insert "\n-----BEGIN PGP SIGNATURE-----\n")
3427 (insert "Version: " (car items) "\n\n")
3428 (insert (mapconcat 'identity (cddr items) "\n"))
3429 (insert "\n-----END PGP SIGNATURE-----\n")
3430 (let ((mm-security-handle (list (format "multipart/signed"))))
3431 (mml2015-clean-buffer)
3432 (let ((coding-system-for-write (or gnus-newsgroup-charset
3434 (funcall (mml2015-clear-verify-function)))
3436 (or (mm-handle-multipart-ctl-parameter
3437 mm-security-handle 'gnus-details)
3438 (mm-handle-multipart-ctl-parameter
3439 mm-security-handle 'gnus-info)))))
3441 (let (buffer-read-only bface eface)
3443 (message-narrow-to-head)
3444 (goto-char (point-max))
3446 (setq bface (get-text-property (point-at-bol) 'face)
3447 eface (get-text-property (1- (point-at-eol)) 'face))
3448 (message-remove-header "X-Gnus-PGP-Verify")
3449 (if (re-search-forward "^X-PGP-Sig:" nil t)
3451 (goto-char (point-max)))
3452 (narrow-to-region (point) (point))
3453 (insert "X-Gnus-PGP-Verify: " info "\n")
3454 (goto-char (point-min))
3457 (if (not (looking-at "^[ \t]"))
3461 (goto-char (point-min))
3462 (when (looking-at "\\([^:]+\\): *")
3463 (put-text-property (match-beginning 1) (1+ (match-end 1))
3465 (put-text-property (match-end 0) (point-max)
3466 'face eface)))))))))
3468 (defun article-verify-cancel-lock ()
3469 "Verify Cancel-Lock header."
3471 (if (gnus-buffer-live-p gnus-original-article-buffer)
3472 (canlock-verify gnus-original-article-buffer)))
3479 (setq afunc (car func)
3482 gfunc (intern (format "gnus-%s" func))))
3484 (when (fboundp afunc)
3485 `(lambda (&optional interactive &rest args)
3486 ,(documentation afunc t)
3487 (interactive (list t))
3489 (set-buffer gnus-article-buffer)
3491 (call-interactively ',afunc)
3492 (apply ',afunc args))))))))
3493 '(article-hide-headers
3494 article-verify-x-pgp-sig
3495 article-verify-cancel-lock
3496 article-hide-boring-headers
3497 article-treat-overstrike
3498 article-treat-ansi-sequences
3499 article-fill-long-lines
3500 article-capitalize-sentences
3502 article-remove-leading-whitespace
3503 article-display-x-face
3504 article-display-face
3505 article-de-quoted-unreadable
3506 article-de-base64-unreadable
3509 article-unsplit-urls
3510 article-hide-list-identifiers
3511 article-strip-banner
3514 article-hide-signature
3515 article-strip-headers-in-body
3516 article-remove-trailing-blank-lines
3517 article-strip-leading-blank-lines
3518 article-strip-multiple-blank-lines
3519 article-strip-leading-space
3520 article-strip-trailing-space
3521 article-strip-blank-lines
3522 article-strip-all-blank-lines
3524 article-date-english
3525 article-date-iso8601
3526 article-date-original
3528 article-decode-mime-words
3529 article-decode-charset
3530 article-decode-encoded-words
3534 article-treat-dumbquotes
3535 article-normalize-headers
3536 ;; (article-show-all . gnus-article-show-all-headers)
3540 ;;; Gnus article mode
3543 (put 'gnus-article-mode 'mode-class 'special)
3545 (set-keymap-parent gnus-article-mode-map widget-keymap)
3547 (gnus-define-keys gnus-article-mode-map
3548 " " gnus-article-goto-next-page
3549 "\177" gnus-article-goto-prev-page
3550 [delete] gnus-article-goto-prev-page
3551 [backspace] gnus-article-goto-prev-page
3552 "\C-c^" gnus-article-refer-article
3553 "h" gnus-article-show-summary
3554 "s" gnus-article-show-summary
3555 "\C-c\C-m" gnus-article-mail
3556 "?" gnus-article-describe-briefly
3557 "e" gnus-summary-edit-article
3558 "<" beginning-of-buffer
3560 "\C-c\C-i" gnus-info-find-node
3562 "R" gnus-article-reply-with-original
3563 "F" gnus-article-followup-with-original
3564 "\C-hk" gnus-article-describe-key
3565 "\C-hc" gnus-article-describe-key-briefly
3567 "\C-d" gnus-article-read-summary-keys
3568 "\M-*" gnus-article-read-summary-keys
3569 "\M-#" gnus-article-read-summary-keys
3570 "\M-^" gnus-article-read-summary-keys
3571 "\M-g" gnus-article-read-summary-keys)
3573 (substitute-key-definition
3574 'undefined 'gnus-article-read-summary-keys gnus-article-mode-map)
3576 (defun gnus-article-make-menu-bar ()
3577 (unless (boundp 'gnus-article-commands-menu)
3578 (gnus-summary-make-menu-bar))
3579 (gnus-turn-off-edit-menu 'article)
3580 (unless (boundp 'gnus-article-article-menu)
3582 gnus-article-article-menu gnus-article-mode-map ""
3584 ["Scroll forwards" gnus-article-goto-next-page t]
3585 ["Scroll backwards" gnus-article-goto-prev-page t]
3586 ["Show summary" gnus-article-show-summary t]
3587 ["Fetch Message-ID at point" gnus-article-refer-article t]
3588 ["Mail to address at point" gnus-article-mail t]
3589 ["Send a bug report" gnus-bug t]))
3592 gnus-article-treatment-menu gnus-article-mode-map ""
3593 ;; Fixme: this should use :active (and maybe :visible).
3595 ["Hide headers" gnus-article-hide-headers t]
3596 ["Hide signature" gnus-article-hide-signature t]
3597 ["Hide citation" gnus-article-hide-citation t]
3598 ["Treat overstrike" gnus-article-treat-overstrike t]
3599 ["Treat ANSI sequences" gnus-article-treat-ansi-sequences t]
3600 ["Remove carriage return" gnus-article-remove-cr t]
3601 ["Remove leading whitespace" gnus-article-remove-leading-whitespace t]
3602 ["Remove quoted-unreadable" gnus-article-de-quoted-unreadable t]
3603 ["Remove base64" gnus-article-de-base64-unreadable t]
3604 ["Treat html" gnus-article-wash-html t]
3605 ["Remove newlines from within URLs" gnus-article-unsplit-urls t]
3606 ["Decode HZ" gnus-article-decode-HZ t]))
3608 ;; Note "Commands" menu is defined in gnus-sum.el for consistency
3610 ;; Note "Post" menu is defined in gnus-sum.el for consistency
3612 (gnus-run-hooks 'gnus-article-menu-hook)))
3614 (defun gnus-article-mode ()
3615 "Major mode for displaying an article.
3617 All normal editing commands are switched off.
3619 The following commands are available in addition to all summary mode
3621 \\<gnus-article-mode-map>
3622 \\[gnus-article-next-page]\t Scroll the article one page forwards
3623 \\[gnus-article-prev-page]\t Scroll the article one page backwards
3624 \\[gnus-article-refer-article]\t Go to the article referred to by an article id near point
3625 \\[gnus-article-show-summary]\t Display the summary buffer
3626 \\[gnus-article-mail]\t Send a reply to the address near point
3627 \\[gnus-article-describe-briefly]\t Describe the current mode briefly
3628 \\[gnus-info-find-node]\t Go to the Gnus info node"
3630 (gnus-simplify-mode-line)
3631 (setq mode-name "Article")
3632 (setq major-mode 'gnus-article-mode)
3633 (make-local-variable 'minor-mode-alist)
3634 (use-local-map gnus-article-mode-map)
3635 (when (gnus-visual-p 'article-menu 'menu)
3636 (gnus-article-make-menu-bar)
3637 (when gnus-summary-tool-bar-map
3638 (set (make-local-variable 'tool-bar-map) gnus-summary-tool-bar-map)))
3639 (gnus-update-format-specifications nil 'article-mode)
3640 (set (make-local-variable 'page-delimiter) gnus-page-delimiter)
3641 (set (make-local-variable 'gnus-page-broken) nil)
3642 (make-local-variable 'gnus-button-marker-list)
3643 (make-local-variable 'gnus-article-current-summary)
3644 (make-local-variable 'gnus-article-mime-handles)
3645 (make-local-variable 'gnus-article-decoded-p)
3646 (make-local-variable 'gnus-article-mime-handle-alist)
3647 (make-local-variable 'gnus-article-wash-types)
3648 (make-local-variable 'gnus-article-image-alist)
3649 (make-local-variable 'gnus-article-charset)
3650 (make-local-variable 'gnus-article-ignored-charsets)
3651 (gnus-set-default-directory)
3652 (buffer-disable-undo)
3653 (setq buffer-read-only t
3654 show-trailing-whitespace nil)
3655 (set-syntax-table gnus-article-mode-syntax-table)
3656 (mm-enable-multibyte)
3657 (gnus-run-hooks 'gnus-article-mode-hook))
3659 (defun gnus-article-setup-buffer ()
3660 "Initialize the article buffer."
3661 (let* ((name (if gnus-single-article-buffer "*Article*"
3662 (concat "*Article " gnus-newsgroup-name "*")))
3664 (progn (string-match "\\*Article" name)
3665 (concat " *Original Article"
3666 (substring name (match-end 0))))))
3667 (setq gnus-article-buffer name)
3668 (setq gnus-original-article-buffer original)
3669 (setq gnus-article-mime-handle-alist nil)
3670 ;; This might be a variable local to the summary buffer.
3671 (unless gnus-single-article-buffer
3673 (set-buffer gnus-summary-buffer)
3674 (setq gnus-article-buffer name)
3675 (setq gnus-original-article-buffer original)
3676 (gnus-set-global-variables)))
3677 (gnus-article-setup-highlight-words)
3678 ;; Init original article buffer.
3680 (set-buffer (gnus-get-buffer-create gnus-original-article-buffer))
3681 (mm-enable-multibyte)
3682 (setq major-mode 'gnus-original-article-mode)
3683 (make-local-variable 'gnus-original-article))
3684 (if (get-buffer name)
3687 (when (and gnus-article-edit-mode
3690 (y-or-n-p "Article mode edit in progress; discard? ")))
3691 (error "Action aborted"))
3692 (set (make-local-variable 'gnus-article-edit-mode) nil)
3693 (when gnus-article-mime-handles
3694 (mm-destroy-parts gnus-article-mime-handles)
3695 (setq gnus-article-mime-handles nil))
3696 ;; Set it to nil in article-buffer!
3697 (setq gnus-article-mime-handle-alist nil)
3698 (buffer-disable-undo)
3699 (setq buffer-read-only t)
3700 ;; This list just keeps growing if we don't reset it.
3701 (setq gnus-button-marker-list nil)
3702 (unless (eq major-mode 'gnus-article-mode)
3703 (gnus-article-mode))
3706 (set-buffer (gnus-get-buffer-create name))
3708 (make-local-variable 'gnus-summary-buffer)
3709 (gnus-summary-set-local-parameters gnus-newsgroup-name)
3710 (current-buffer)))))
3712 ;; Set article window start at LINE, where LINE is the number of lines
3713 ;; from the head of the article.
3714 (defun gnus-article-set-window-start (&optional line)
3716 (gnus-get-buffer-window gnus-article-buffer t)
3718 (set-buffer gnus-article-buffer)
3719 (goto-char (point-min))
3722 (gnus-message 6 "Moved to bookmark")
3723 (search-forward "\n\n" nil t)
3727 (defun gnus-article-prepare (article &optional all-headers header)
3728 "Prepare ARTICLE in article mode buffer.
3729 ARTICLE should either be an article number or a Message-ID.
3730 If ARTICLE is an id, HEADER should be the article headers.
3731 If ALL-HEADERS is non-nil, no headers are hidden."
3733 ;; Make sure we start in a summary buffer.
3734 (unless (eq major-mode 'gnus-summary-mode)
3735 (set-buffer gnus-summary-buffer))
3736 (setq gnus-summary-buffer (current-buffer))
3737 (let* ((gnus-article (if header (mail-header-number header) article))
3738 (summary-buffer (current-buffer))
3739 (gnus-tmp-internal-hook gnus-article-internal-prepare-hook)
3740 (group gnus-newsgroup-name)
3743 (gnus-article-setup-buffer)
3744 (set-buffer gnus-article-buffer)
3745 ;; Deactivate active regions.
3746 (when (and (boundp 'transient-mark-mode)
3747 transient-mark-mode)
3748 (setq mark-active nil))
3749 (if (not (setq result (let ((buffer-read-only nil))
3750 (gnus-request-article-this-buffer
3752 ;; There is no such article.
3754 (when (and (numberp article)
3755 (not (memq article gnus-newsgroup-sparse)))
3756 (setq gnus-article-current
3757 (cons gnus-newsgroup-name article))
3758 (set-buffer gnus-summary-buffer)
3759 (setq gnus-current-article article)
3760 (if (and (memq article gnus-newsgroup-undownloaded)
3761 (not (gnus-online (gnus-find-method-for-group
3762 gnus-newsgroup-name))))
3764 (gnus-summary-set-agent-mark article)
3765 (message "Message marked for downloading"))
3766 (gnus-summary-mark-article article gnus-canceled-mark)
3767 (unless (memq article gnus-newsgroup-sparse)
3768 (gnus-error 1 "No such article (may have expired or been canceled)")))))
3769 (if (or (eq result 'pseudo)
3770 (eq result 'nneething))
3773 (set-buffer summary-buffer)
3774 (push article gnus-newsgroup-history)
3775 (setq gnus-last-article gnus-current-article
3776 gnus-current-article 0
3777 gnus-current-headers nil
3778 gnus-article-current nil)
3779 (if (eq result 'nneething)
3780 (gnus-configure-windows 'summary)
3781 (gnus-configure-windows 'article))
3782 (gnus-set-global-variables))
3783 (let ((gnus-article-mime-handle-alist-1
3784 gnus-article-mime-handle-alist))
3785 (gnus-set-mode-line 'article)))
3786 ;; The result from the `request' was an actual article -
3787 ;; or at least some text that is now displayed in the
3789 (when (and (numberp article)
3790 (not (eq article gnus-current-article)))
3791 ;; Seems like a new article has been selected.
3792 ;; `gnus-current-article' must be an article number.
3794 (set-buffer summary-buffer)
3795 (push article gnus-newsgroup-history)
3796 (setq gnus-last-article gnus-current-article
3797 gnus-current-article article
3798 gnus-current-headers
3799 (gnus-summary-article-header gnus-current-article)
3800 gnus-article-current
3801 (cons gnus-newsgroup-name gnus-current-article))
3802 (unless (vectorp gnus-current-headers)
3803 (setq gnus-current-headers nil))
3804 (gnus-summary-goto-subject gnus-current-article)
3805 (when (gnus-summary-show-thread)
3806 ;; If the summary buffer really was folded, the
3807 ;; previous goto may not actually have gone to
3808 ;; the right article, but the thread root instead.
3810 (gnus-summary-goto-subject gnus-current-article))
3811 (gnus-run-hooks 'gnus-mark-article-hook)
3812 (gnus-set-mode-line 'summary)
3813 (when (gnus-visual-p 'article-highlight 'highlight)
3814 (gnus-run-hooks 'gnus-visual-mark-article-hook))
3815 ;; Set the global newsgroup variables here.
3816 (gnus-set-global-variables)
3817 (setq gnus-have-all-headers
3818 (or all-headers gnus-show-all-headers))))
3820 (gnus-configure-windows 'article))
3821 (when (or (numberp article)
3823 (gnus-article-prepare-display)
3825 (goto-char (point-min))
3826 (when gnus-break-pages
3827 (gnus-narrow-to-page)))
3828 (let ((gnus-article-mime-handle-alist-1
3829 gnus-article-mime-handle-alist))
3830 (gnus-set-mode-line 'article))
3834 (set-window-point (get-buffer-window (current-buffer)) (point))
3835 (gnus-configure-windows 'article)
3839 (defun gnus-article-prepare-display ()
3840 "Make the current buffer look like a nice article."
3841 ;; Hooks for getting information from the article.
3842 ;; This hook must be called before being narrowed.
3843 (let ((gnus-article-buffer (current-buffer))
3845 (unless (eq major-mode 'gnus-article-mode)
3846 (gnus-article-mode))
3847 (setq buffer-read-only nil
3848 gnus-article-wash-types nil
3849 gnus-article-image-alist nil)
3850 (gnus-run-hooks 'gnus-tmp-internal-hook)
3851 (when gnus-display-mime-function
3852 (funcall gnus-display-mime-function))
3853 (gnus-run-hooks 'gnus-article-prepare-hook)))
3856 ;;; Gnus MIME viewing functions
3859 (defvar gnus-mime-button-line-format "%{%([%p. %d%T]%)%}%e\n"
3860 "Format of the MIME buttons.
3862 Valid specifiers include:
3864 %T MIME type, along with additional info
3865 %n The `name' parameter
3866 %d The description, if any
3867 %l The length of the encoded part
3868 %p The part identifier number
3869 %e Dots if the part isn't displayed
3871 General format specifiers can also be used. See Info node
3872 `(gnus)Formatting Variables'.")
3874 (defvar gnus-mime-button-line-format-alist
3875 '((?t gnus-tmp-type ?s)
3876 (?T gnus-tmp-type-long ?s)
3877 (?n gnus-tmp-name ?s)
3878 (?d gnus-tmp-description ?s)
3880 (?l gnus-tmp-length ?d)
3881 (?e gnus-tmp-dots ?s)))
3883 (defvar gnus-mime-button-commands
3884 '((gnus-article-press-button "\r" "Toggle Display")
3885 (gnus-mime-view-part "v" "View Interactively...")
3886 (gnus-mime-view-part-as-type "t" "View As Type...")
3887 (gnus-mime-view-part-as-charset "C" "View As charset...")
3888 (gnus-mime-save-part "o" "Save...")
3889 (gnus-mime-save-part-and-strip "\C-o" "Save and Strip")
3890 (gnus-mime-delete-part "d" "Delete part")
3891 (gnus-mime-copy-part "c" "View As Text, In Other Buffer")
3892 (gnus-mime-inline-part "i" "View As Text, In This Buffer")
3893 (gnus-mime-view-part-internally "E" "View Internally")
3894 (gnus-mime-view-part-externally "e" "View Externally")
3895 (gnus-mime-print-part "p" "Print")
3896 (gnus-mime-pipe-part "|" "Pipe To Command...")
3897 (gnus-mime-action-on-part "." "Take action on the part...")))
3899 (defun gnus-article-mime-part-status ()
3900 (if gnus-article-mime-handle-alist-1
3901 (if (eq 1 (length gnus-article-mime-handle-alist-1))
3903 (format " (%d parts)" (length gnus-article-mime-handle-alist-1)))
3906 (defvar gnus-mime-button-map
3907 (let ((map (make-sparse-keymap)))
3908 (define-key map gnus-mouse-2 'gnus-article-push-button)
3909 (define-key map gnus-down-mouse-3 'gnus-mime-button-menu)
3910 (dolist (c gnus-mime-button-commands)
3911 (define-key map (cadr c) (car c)))
3915 gnus-mime-button-menu gnus-mime-button-map "MIME button menu."
3917 ,@(mapcar (lambda (c)
3918 (vector (caddr c) (car c) :enable t))
3919 gnus-mime-button-commands)))
3921 (defun gnus-mime-button-menu (event prefix)
3922 "Construct a context-sensitive menu of MIME commands."
3923 (interactive "e\nP")
3924 (save-window-excursion
3925 (let ((pos (event-start event)))
3926 (select-window (posn-window pos))
3927 (goto-char (posn-point pos))
3928 (gnus-article-check-buffer)
3929 (popup-menu gnus-mime-button-menu nil prefix))))
3931 (defun gnus-mime-view-all-parts (&optional handles)
3932 "View all the MIME parts."
3934 (with-current-buffer gnus-article-buffer
3935 (let ((handles (or handles gnus-article-mime-handles))
3936 (mail-parse-charset gnus-newsgroup-charset)
3937 (mail-parse-ignored-charsets
3938 (with-current-buffer gnus-summary-buffer
3939 gnus-newsgroup-ignored-charsets)))
3941 (mm-remove-parts handles)
3942 (goto-char (point-min))
3943 (or (search-forward "\n\n") (goto-char (point-max)))
3944 (let (buffer-read-only)
3945 (delete-region (point) (point-max))
3946 (mm-display-parts handles))))))
3949 (defsubst gnus-article-edit-part (handles)
3950 "Edit an article in order to delete a mime part.
3951 This function is exclusively used by `gnus-mime-save-part-and-strip'
3952 and `gnus-mime-delete-part', and not provided at run-time normally."
3953 (gnus-article-edit-article
3956 (let ((mail-parse-charset (or gnus-article-charset
3957 ',gnus-newsgroup-charset))
3958 (mail-parse-ignored-charsets
3959 (or gnus-article-ignored-charsets
3960 ',gnus-newsgroup-ignored-charsets))
3961 (mbl mml-buffer-list))
3962 (setq mml-buffer-list nil)
3963 (insert-buffer gnus-original-article-buffer)
3964 (mime-to-mml ',handles)
3965 (setq gnus-article-mime-handles nil)
3966 (let ((mbl1 mml-buffer-list))
3967 (setq mml-buffer-list mbl)
3968 (set (make-local-variable 'mml-buffer-list) mbl1))
3969 (gnus-make-local-hook 'kill-buffer-hook)
3970 (add-hook 'kill-buffer-hook 'mml-destroy-buffers t t)))
3971 `(lambda (no-highlight)
3972 (let ((mail-parse-charset (or gnus-article-charset
3973 ',gnus-newsgroup-charset))
3974 (message-options message-options)
3975 (message-options-set-recipient)
3976 (mail-parse-ignored-charsets
3977 (or gnus-article-ignored-charsets
3978 ',gnus-newsgroup-ignored-charsets)))
3980 (mml-destroy-buffers)
3981 (remove-hook 'kill-buffer-hook
3982 'mml-destroy-buffers t)
3983 (kill-local-variable 'mml-buffer-list))
3984 (gnus-summary-edit-article-done
3985 ,(or (mail-header-references gnus-current-headers) "")
3986 ,(gnus-group-read-only-p)
3987 ,gnus-summary-buffer no-highlight)))
3988 (gnus-article-edit-done)
3989 (gnus-summary-expand-window)
3990 (gnus-summary-show-article)))
3992 (defun gnus-mime-save-part-and-strip ()
3993 "Save the MIME part under point then replace it with an external body."
3995 (gnus-article-check-buffer)
3996 (when (gnus-group-read-only-p)
3997 (error "The current group does not support deleting of parts"))
3998 (when (mm-complicated-handles gnus-article-mime-handles)
4000 The current article has a complicated MIME structure, giving up..."))
4001 (when (gnus-yes-or-no-p "\
4002 Deleting parts may malfunction or destroy the article; continue? ")
4003 (let* ((data (get-text-property (point) 'gnus-data))
4005 (handles gnus-article-mime-handles))
4006 (setq file (and data (mm-save-part data)))
4008 (with-current-buffer (mm-handle-buffer data)
4010 (insert "Content-Type: " (mm-handle-media-type data))
4011 (mml-insert-parameter-string (cdr (mm-handle-type data))
4014 (insert "Content-ID: " (message-make-message-id) "\n")
4015 (insert "Content-Transfer-Encoding: binary\n")
4018 (cdr (mm-make-handle nil
4019 `("message/external-body"
4020 (access-type . "LOCAL-FILE")
4022 (set-buffer gnus-summary-buffer)
4023 (gnus-article-edit-part handles)))))
4025 (defun gnus-mime-delete-part ()
4026 "Delete the MIME part under point.
4027 Replace it with some information about the removed part."
4029 (gnus-article-check-buffer)
4030 (when (gnus-group-read-only-p)
4031 (error "The current group does not support deleting of parts"))
4032 (when (mm-complicated-handles gnus-article-mime-handles)
4034 The current article has a complicated MIME structure, giving up..."))
4035 (when (gnus-yes-or-no-p "\
4036 Deleting parts may malfunction or destroy the article; continue? ")
4037 (let* ((data (get-text-property (point) 'gnus-data))
4038 (handles gnus-article-mime-handles)
4042 (mail-decode-encoded-word-string (or (mm-handle-description data)
4045 (or (mail-content-type-get (mm-handle-disposition data) 'filename)
4047 (type (mm-handle-media-type data)))
4049 (error "No MIME part under point"))
4050 (with-current-buffer (mm-handle-buffer data)
4051 (let ((bsize (format "%s" (buffer-size))))
4056 "| The following attachment has been deleted:\n"
4058 "| Type: " type "\n"
4059 "| Filename: " filename "\n"
4060 "| Size (encoded): " bsize " Byte\n"
4061 "| Description: " description "\n"
4064 (cdr (mm-make-handle
4065 nil `("text/plain") nil nil
4067 (format "Deleted attachment (%s bytes)" bsize))))))
4068 (set-buffer gnus-summary-buffer)
4069 (gnus-article-edit-part handles))))
4071 (defun gnus-mime-save-part ()
4072 "Save the MIME part under point."
4074 (gnus-article-check-buffer)
4075 (let ((data (get-text-property (point) 'gnus-data)))
4077 (mm-save-part data))))
4079 (defun gnus-mime-pipe-part ()
4080 "Pipe the MIME part under point to a process."
4082 (gnus-article-check-buffer)
4083 (let ((data (get-text-property (point) 'gnus-data)))
4085 (mm-pipe-part data))))
4087 (defun gnus-mime-view-part ()
4088 "Interactively choose a viewing method for the MIME part under point."
4090 (gnus-article-check-buffer)
4091 (let ((data (get-text-property (point) 'gnus-data)))
4093 (setq gnus-article-mime-handles
4095 gnus-article-mime-handles (setq data (copy-sequence data))))
4096 (mm-interactively-view-part data))))
4098 (defun gnus-mime-view-part-as-type-internal ()
4099 (gnus-article-check-buffer)
4100 (let* ((name (mail-content-type-get
4101 (mm-handle-type (get-text-property (point) 'gnus-data))
4103 (def-type (and name (mm-default-file-encoding name))))
4104 (and def-type (cons def-type 0))))
4106 (defun gnus-mime-view-part-as-type (&optional mime-type)
4107 "Choose a MIME media type, and view the part as such."
4110 (setq mime-type (completing-read
4111 "View as MIME type: "
4112 (mapcar #'list (mailcap-mime-types))
4114 (gnus-mime-view-part-as-type-internal))))
4115 (gnus-article-check-buffer)
4116 (let ((handle (get-text-property (point) 'gnus-data)))
4119 (mm-make-handle (mm-handle-buffer handle)
4120 (cons mime-type (cdr (mm-handle-type handle)))
4121 (mm-handle-encoding handle)
4122 (mm-handle-undisplayer handle)
4123 (mm-handle-disposition handle)
4124 (mm-handle-description handle)
4126 (mm-handle-id handle)))
4127 (setq gnus-article-mime-handles
4128 (mm-merge-handles gnus-article-mime-handles handle))
4129 (gnus-mm-display-part handle))))
4132 (require 'jka-compr))
4134 ;; jka-compr.el uses a "sh -c" to direct stderr to err-file, but these days
4135 ;; emacs can do that itself.
4137 (defun gnus-mime-jka-compr-maybe-uncompress ()
4138 "Uncompress the current buffer if `auto-compression-mode' is enabled.
4139 The uncompress method used is derived from `buffer-file-name'."
4140 (when (and (fboundp 'jka-compr-installed-p)
4141 (jka-compr-installed-p))
4142 (let ((info (jka-compr-get-compression-info buffer-file-name)))
4144 (let ((basename (file-name-nondirectory buffer-file-name))
4145 (args (jka-compr-info-uncompress-args info))
4146 (prog (jka-compr-info-uncompress-program info))
4147 (message (jka-compr-info-uncompress-message info))
4148 (err-file (jka-compr-make-temp-name)))
4150 (message "%s %s..." message basename))
4152 (unless (memq (apply 'call-process-region
4153 (point-min) (point-max)
4155 t (list t err-file) nil
4157 jka-compr-acceptable-retval-list)
4158 (jka-compr-error prog args basename message err-file))
4159 (jka-compr-delete-temp-file err-file)))))))
4161 (defun gnus-mime-copy-part (&optional handle)
4162 "Put the MIME part under point into a new buffer.
4163 If `auto-compression-mode' is enabled, compressed files like .gz and .bz2
4166 (gnus-article-check-buffer)
4167 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4168 (contents (and handle (mm-get-part handle)))
4170 (file-name-nondirectory
4172 (mail-content-type-get (mm-handle-type handle) 'name)
4173 (mail-content-type-get (mm-handle-disposition handle)
4176 (buffer (and base (generate-new-buffer base))))
4178 (switch-to-buffer buffer)
4180 ;; We do it this way to make `normal-mode' set the appropriate mode.
4183 (setq buffer-file-name (expand-file-name base))
4184 (gnus-mime-jka-compr-maybe-uncompress)
4186 (setq buffer-file-name nil))
4187 (goto-char (point-min)))))
4189 (defun gnus-mime-print-part (&optional handle filename)
4190 "Print the MIME part under point."
4191 (interactive (list nil (ps-print-preprint current-prefix-arg)))
4192 (gnus-article-check-buffer)
4193 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4194 (contents (and handle (mm-get-part handle)))
4195 (file (mm-make-temp-file (expand-file-name "mm." mm-tmp-directory)))
4196 (printer (mailcap-mime-info (mm-handle-media-type handle) "print")))
4201 (mm-save-part-to-file handle file)
4202 (call-process shell-file-name nil
4203 (generate-new-buffer " *mm*")
4205 shell-command-switch
4207 printer file (mm-handle-type handle))))
4211 (gnus-print-buffer))
4212 (ps-despool filename)))))
4214 (defun gnus-mime-inline-part (&optional handle arg)
4215 "Insert the MIME part under point into the current buffer."
4216 (interactive (list nil current-prefix-arg))
4217 (gnus-article-check-buffer)
4218 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4223 (if (and (not arg) (mm-handle-undisplayer handle))
4224 (mm-remove-part handle)
4225 (setq contents (mm-get-part handle))
4228 (setq charset (or (mail-content-type-get
4229 (mm-handle-type handle) 'charset)
4230 gnus-newsgroup-charset)))
4232 (if (mm-handle-undisplayer handle)
4233 (mm-remove-part handle))
4236 gnus-summary-show-article-charset-alist))
4237 (mm-read-coding-system "Charset: ")))))
4239 (mm-insert-inline handle
4241 (setq charset (mm-charset-to-coding-system
4243 (not (eq charset 'ascii)))
4244 (mm-decode-coding-string contents charset)
4248 (defun gnus-mime-view-part-as-charset (&optional handle arg)
4249 "Insert the MIME part under point into the current buffer using the
4251 (interactive (list nil current-prefix-arg))
4252 (gnus-article-check-buffer)
4253 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4258 (if (mm-handle-undisplayer handle)
4259 (mm-remove-part handle))
4260 (let ((gnus-newsgroup-charset
4262 gnus-summary-show-article-charset-alist))
4263 (mm-read-coding-system "Charset: ")))
4264 (gnus-newsgroup-ignored-charsets 'gnus-all))
4265 (gnus-article-press-button)))))
4267 (defun gnus-mime-view-part-externally (&optional handle)
4268 "View the MIME part under point with an external viewer."
4270 (gnus-article-check-buffer)
4271 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4272 (mm-user-display-methods nil)
4273 (mm-inlined-types nil)
4274 (mail-parse-charset gnus-newsgroup-charset)
4275 (mail-parse-ignored-charsets
4276 (with-current-buffer gnus-summary-buffer
4277 gnus-newsgroup-ignored-charsets)))
4279 (if (mm-handle-undisplayer handle)
4280 (mm-remove-part handle)
4281 (mm-display-part handle)))))
4283 (defun gnus-mime-view-part-internally (&optional handle)
4284 "View the MIME part under point with an internal viewer.
4285 If no internal viewer is available, use an external viewer."
4287 (gnus-article-check-buffer)
4288 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4289 (mm-inlined-types '(".*"))
4290 (mm-inline-large-images t)
4291 (mail-parse-charset gnus-newsgroup-charset)
4292 (mail-parse-ignored-charsets
4293 (with-current-buffer gnus-summary-buffer
4294 gnus-newsgroup-ignored-charsets))
4297 (if (mm-handle-undisplayer handle)
4298 (mm-remove-part handle)
4299 (mm-display-part handle)))))
4301 (defun gnus-mime-action-on-part (&optional action)
4302 "Do something with the MIME attachment at \(point\)."
4304 (list (completing-read "Action: " gnus-mime-action-alist nil t)))
4305 (gnus-article-check-buffer)
4306 (let ((action-pair (assoc action gnus-mime-action-alist)))
4308 (funcall (cdr action-pair)))))
4310 (defun gnus-article-part-wrapper (n function)
4311 (with-current-buffer gnus-article-buffer
4312 (when (> n (length gnus-article-mime-handle-alist))
4313 (error "No such part"))
4314 (gnus-article-goto-part n)
4315 (let ((handle (cdr (assq n gnus-article-mime-handle-alist))))
4316 (funcall function handle))))
4318 (defun gnus-article-pipe-part (n)
4319 "Pipe MIME part N, which is the numerical prefix."
4321 (gnus-article-part-wrapper n 'mm-pipe-part))
4323 (defun gnus-article-save-part (n)
4324 "Save MIME part N, which is the numerical prefix."
4326 (gnus-article-part-wrapper n 'mm-save-part))
4328 (defun gnus-article-interactively-view-part (n)
4329 "View MIME part N interactively, which is the numerical prefix."
4331 (gnus-article-part-wrapper n 'mm-interactively-view-part))
4333 (defun gnus-article-copy-part (n)
4334 "Copy MIME part N, which is the numerical prefix."
4336 (gnus-article-part-wrapper n 'gnus-mime-copy-part))
4338 (defun gnus-article-view-part-as-charset (n)
4339 "View MIME part N using a specified charset.
4340 N is the numerical prefix."
4342 (gnus-article-part-wrapper n 'gnus-mime-view-part-as-charset))
4344 (defun gnus-article-view-part-externally (n)
4345 "View MIME part N externally, which is the numerical prefix."
4347 (gnus-article-part-wrapper n 'gnus-mime-view-part-externally))
4349 (defun gnus-article-inline-part (n)
4350 "Inline MIME part N, which is the numerical prefix."
4352 (gnus-article-part-wrapper n 'gnus-mime-inline-part))
4354 (defun gnus-article-mime-match-handle-first (condition)
4356 (let ((alist gnus-article-mime-handle-alist) ihandle n)
4357 (while (setq ihandle (pop alist))
4359 ((functionp condition)
4360 (funcall condition (cdr ihandle)))
4361 ((eq condition 'undisplayed)
4362 (not (or (mm-handle-undisplayer (cdr ihandle))
4363 (equal (mm-handle-media-type (cdr ihandle))
4364 "multipart/alternative"))))
4365 ((eq condition 'undisplayed-alternative)
4366 (not (mm-handle-undisplayer (cdr ihandle))))
4368 (gnus-article-goto-part (car ihandle))
4369 (or (not n) (< (car ihandle) n)))
4370 (setq n (car ihandle))))
4374 (defun gnus-article-view-part (&optional n)
4375 "View MIME part N, which is the numerical prefix."
4377 (with-current-buffer gnus-article-buffer
4378 (or (numberp n) (setq n (gnus-article-mime-match-handle-first
4379 gnus-article-mime-match-handle-function)))
4380 (when (> n (length gnus-article-mime-handle-alist))
4381 (error "No such part"))
4382 (let ((handle (cdr (assq n gnus-article-mime-handle-alist))))
4383 (when (gnus-article-goto-part n)
4384 (if (equal (car handle) "multipart/alternative")
4385 (gnus-article-press-button)
4386 (when (eq (gnus-mm-display-part handle) 'internal)
4387 (gnus-set-window-start)))))))
4389 (defsubst gnus-article-mime-total-parts ()
4390 (if (bufferp (car gnus-article-mime-handles))
4392 (1- (length gnus-article-mime-handles))))
4394 (defun gnus-mm-display-part (handle)
4395 "Display HANDLE and fix MIME button."
4396 (let ((id (get-text-property (point) 'gnus-part))
4401 (let ((window (selected-window))
4402 (mail-parse-charset gnus-newsgroup-charset)
4403 (mail-parse-ignored-charsets
4404 (if (gnus-buffer-live-p gnus-summary-buffer)
4405 (with-current-buffer gnus-summary-buffer
4406 gnus-newsgroup-ignored-charsets)
4410 (let ((win (gnus-get-buffer-window (current-buffer) t))
4413 (select-window win))
4416 (if (mm-handle-displayed-p handle)
4417 ;; This will remove the part.
4418 (mm-display-part handle)
4420 (narrow-to-region (point)
4421 (if (eobp) (point) (1+ (point))))
4422 (mm-display-part handle)
4423 ;; We narrow to the part itself and
4424 ;; then call the treatment functions.
4425 (goto-char (point-min))
4427 (narrow-to-region (point) (point-max))
4430 (gnus-article-mime-total-parts)
4431 (mm-handle-media-type handle)))))
4432 (if (window-live-p window)
4433 (select-window window)))))
4436 (gnus-insert-mime-button
4437 handle id (list (mm-handle-displayed-p handle)))
4438 (goto-char point))))
4440 (defun gnus-article-goto-part (n)
4441 "Go to MIME part N."
4442 (gnus-goto-char (text-property-any (point-min) (point-max) 'gnus-part n)))
4444 (defun gnus-insert-mime-button (handle gnus-tmp-id &optional displayed)
4445 (let ((gnus-tmp-name
4446 (or (mail-content-type-get (mm-handle-type handle) 'name)
4447 (mail-content-type-get (mm-handle-disposition handle) 'filename)
4448 (mail-content-type-get (mm-handle-type handle) 'url)
4450 (gnus-tmp-type (mm-handle-media-type handle))
4451 (gnus-tmp-description
4452 (mail-decode-encoded-word-string (or (mm-handle-description handle)
4455 (if (if displayed (car displayed)
4456 (mm-handle-displayed-p handle))
4458 (gnus-tmp-length (with-current-buffer (mm-handle-buffer handle)
4460 gnus-tmp-type-long b e)
4461 (when (string-match ".*/" gnus-tmp-name)
4462 (setq gnus-tmp-name (replace-match "" t t gnus-tmp-name)))
4463 (setq gnus-tmp-type-long (concat gnus-tmp-type
4464 (and (not (equal gnus-tmp-name ""))
4465 (concat "; " gnus-tmp-name))))
4466 (unless (equal gnus-tmp-description "")
4467 (setq gnus-tmp-type-long (concat " --- " gnus-tmp-type-long)))
4472 gnus-mime-button-line-format gnus-mime-button-line-format-alist
4473 `(keymap ,gnus-mime-button-map
4474 gnus-callback gnus-mm-display-part
4475 gnus-part ,gnus-tmp-id
4476 article-type annotation
4479 ;; Exclude a newline.
4482 (widget-convert-button
4485 :action 'gnus-widget-press-button
4486 :button-keymap gnus-mime-button-map
4488 (lambda (widget/window &optional overlay pos)
4489 ;; Needed to properly clear the message due to a bug in
4490 ;; wid-edit (XEmacs only).
4491 (if (boundp 'help-echo-owns-message)
4492 (setq help-echo-owns-message t))
4494 "%S: %s the MIME part; %S: more options"
4495 (aref gnus-mouse-2 0)
4496 ;; XEmacs will get a single widget arg; Emacs 21 will get
4497 ;; window, overlay, position.
4498 (if (mm-handle-displayed-p
4500 (with-current-buffer (gnus-overlay-buffer overlay)
4501 (widget-get (widget-at (gnus-overlay-start overlay))
4503 (widget-get widget/window :mime-handle)))
4505 (aref gnus-down-mouse-3 0))))))
4507 (defun gnus-widget-press-button (elems el)
4508 (goto-char (widget-get elems :from))
4509 (gnus-article-press-button))
4511 (defvar gnus-displaying-mime nil)
4513 (defun gnus-display-mime (&optional ihandles)
4514 "Display the MIME parts."
4516 (save-selected-window
4517 (let ((window (get-buffer-window gnus-article-buffer))
4520 (select-window window)
4521 ;; We have to do this since selecting the window
4522 ;; may change the point. So we set the window point.
4523 (set-window-point window point)))
4524 (let* ((handles (or ihandles
4525 (mm-dissect-buffer nil gnus-article-loose-mime)
4526 (and gnus-article-emulate-mime
4528 buffer-read-only handle name type b e display)
4529 (when (and (not ihandles)
4530 (not gnus-displaying-mime))
4531 ;; Top-level call; we clean up.
4532 (when gnus-article-mime-handles
4533 (mm-destroy-parts gnus-article-mime-handles)
4534 (setq gnus-article-mime-handle-alist nil));; A trick.
4535 (setq gnus-article-mime-handles handles)
4536 ;; We allow users to glean info from the handles.
4537 (when gnus-article-mime-part-function
4538 (gnus-mime-part-function handles)))
4540 (or (not (stringp (car handles)))
4543 (when (and (not ihandles)
4544 (not gnus-displaying-mime))
4545 ;; Clean up for mime parts.
4547 (delete-region (point) (point-max)))
4548 (let ((gnus-displaying-mime t))
4549 (gnus-mime-display-part handles)))
4552 (narrow-to-region (point) (point-max))
4553 (gnus-treat-article nil 1 1)
4556 ;; Highlight the headers.
4560 (narrow-to-region (point-min) (point))
4561 (gnus-treat-article 'head))))))))
4563 (defcustom gnus-mime-display-multipart-as-mixed nil
4564 "Display \"multipart\" parts as \"multipart/mixed\".
4566 If t, it overrides nil values of
4567 `gnus-mime-display-multipart-alternative-as-mixed' and
4568 `gnus-mime-display-multipart-related-as-mixed'."
4569 :group 'gnus-article-mime
4572 (defcustom gnus-mime-display-multipart-alternative-as-mixed nil
4573 "Display \"multipart/alternative\" parts as \"multipart/mixed\"."
4574 :group 'gnus-article-mime
4577 (defcustom gnus-mime-display-multipart-related-as-mixed nil
4578 "Display \"multipart/related\" parts as \"multipart/mixed\".
4580 If displaying \"text/html\" is discouraged \(see
4581 `mm-discouraged-alternatives'\) images or other material inside a
4582 \"multipart/related\" part might be overlooked when this variable is nil."
4583 :group 'gnus-article-mime
4586 (defun gnus-mime-display-part (handle)
4589 ((not (stringp (car handle)))
4590 (gnus-mime-display-single handle))
4591 ;; User-defined multipart
4592 ((cdr (assoc (car handle) gnus-mime-multipart-functions))
4593 (funcall (cdr (assoc (car handle) gnus-mime-multipart-functions))
4595 ;; multipart/alternative
4596 ((and (equal (car handle) "multipart/alternative")
4597 (not (or gnus-mime-display-multipart-as-mixed
4598 gnus-mime-display-multipart-alternative-as-mixed)))
4599 (let ((id (1+ (length gnus-article-mime-handle-alist))))
4600 (push (cons id handle) gnus-article-mime-handle-alist)
4601 (gnus-mime-display-alternative (cdr handle) nil nil id)))
4602 ;; multipart/related
4603 ((and (equal (car handle) "multipart/related")
4604 (not (or gnus-mime-display-multipart-as-mixed
4605 gnus-mime-display-multipart-related-as-mixed)))
4606 ;;;!!!We should find the start part, but we just default
4607 ;;;!!!to the first part.
4608 ;;(gnus-mime-display-part (cadr handle))
4609 ;;;!!! Most multipart/related is an HTML message plus images.
4610 ;;;!!! Unfortunately we are unable to let W3 display those
4611 ;;;!!! included images, so we just display it as a mixed multipart.
4612 ;;(gnus-mime-display-mixed (cdr handle))
4613 ;;;!!! No, w3 can display everything just fine.
4614 (gnus-mime-display-part (cadr handle)))
4615 ((equal (car handle) "multipart/signed")
4616 (gnus-add-wash-type 'signed)
4617 (gnus-mime-display-security handle))
4618 ((equal (car handle) "multipart/encrypted")
4619 (gnus-add-wash-type 'encrypted)
4620 (gnus-mime-display-security handle))
4621 ;; Other multiparts are handled like multipart/mixed.
4623 (gnus-mime-display-mixed (cdr handle)))))
4625 (defun gnus-mime-part-function (handles)
4626 (if (stringp (car handles))
4627 (mapcar 'gnus-mime-part-function (cdr handles))
4628 (funcall gnus-article-mime-part-function handles)))
4630 (defun gnus-mime-display-mixed (handles)
4631 (mapcar 'gnus-mime-display-part handles))
4633 (defun gnus-mime-display-single (handle)
4634 (let ((type (mm-handle-media-type handle))
4635 (ignored gnus-ignored-mime-types)
4642 (when (string-match (pop ignored) type)
4643 (throw 'ignored nil)))
4644 (if (and (setq not-attachment
4645 (and (not (mm-inline-override-p handle))
4646 (or (not (mm-handle-disposition handle))
4647 (equal (car (mm-handle-disposition handle))
4649 (mm-attachment-override-p handle))))
4650 (mm-automatic-display-p handle)
4652 (mm-inlinable-p handle)
4653 (mm-inlined-p handle))
4654 (mm-automatic-external-display-p type)))
4656 (when (equal (mm-handle-media-supertype handle) "text")
4658 (let ((id (1+ (length gnus-article-mime-handle-alist)))
4660 (push (cons id handle) gnus-article-mime-handle-alist)
4661 (when (or (not display)
4662 (not (gnus-unbuttonized-mime-type-p type)))
4663 (gnus-insert-mime-button
4664 handle id (list (or display (and not-attachment text))))
4665 (gnus-article-insert-newline)
4666 ;; Remember modify the number of forward lines.
4674 (let ((mail-parse-charset gnus-newsgroup-charset)
4675 (mail-parse-ignored-charsets
4676 (save-excursion (condition-case ()
4677 (set-buffer gnus-summary-buffer)
4679 gnus-newsgroup-ignored-charsets)))
4680 (mm-display-part handle t))
4681 (goto-char (point-max)))
4682 ((and text not-attachment)
4686 (gnus-article-insert-newline)
4687 (mm-insert-inline handle (mm-get-part handle))
4688 (goto-char (point-max))))
4692 (narrow-to-region beg (point))
4695 (gnus-article-mime-total-parts)
4696 (mm-handle-media-type handle)))))))))
4698 (defun gnus-unbuttonized-mime-type-p (type)
4699 "Say whether TYPE is to be unbuttonized."
4700 (unless gnus-inhibit-mime-unbuttonizing
4702 (let ((types gnus-unbuttonized-mime-types))
4704 (when (string-match (pop types) type)
4705 (throw 'found t)))))
4707 (let ((types gnus-buttonized-mime-types))
4709 (when (string-match (pop types) type)
4710 (throw 'found t)))))))))
4712 (defun gnus-article-insert-newline ()
4713 "Insert a newline, but mark it as undeletable."
4714 (gnus-put-text-property
4715 (point) (progn (insert "\n") (point)) 'gnus-undeletable t))
4717 (defun gnus-mime-display-alternative (handles &optional preferred ibegend id)
4718 (let* ((preferred (or preferred (mm-preferred-alternative handles)))
4721 handle buffer-read-only from props begend not-pref)
4722 (save-window-excursion
4725 (narrow-to-region (car ibegend)
4728 (goto-char (car ibegend))
4731 (delete-region (point-min) (point-max))
4732 (mm-remove-parts handles))
4733 (setq begend (list (point-marker)))
4735 (unless (setq not-pref (cadr (member preferred ihandles)))
4736 (setq not-pref (car ihandles)))
4739 (not (gnus-unbuttonized-mime-type-p
4740 "multipart/alternative")))
4741 (gnus-add-text-properties
4744 (insert (format "%d. " id))
4748 (unless ,(not ibegend)
4749 (setq gnus-article-mime-handle-alist
4750 ',gnus-article-mime-handle-alist))
4751 (gnus-mime-display-alternative
4752 ',ihandles ',not-pref ',begend ,id))
4753 keymap ,gnus-mime-button-map
4754 ,gnus-mouse-face-prop ,gnus-article-mouse-face
4755 face ,gnus-article-button-face
4758 (widget-convert-button 'link from (point)
4759 :action 'gnus-widget-press-button
4760 :button-keymap gnus-widget-button-keymap)
4762 (while (setq handle (pop handles))
4763 (gnus-add-text-properties
4766 (insert (format "(%c) %-18s"
4767 (if (equal handle preferred) ?* ? )
4768 (mm-handle-media-type handle)))
4772 (unless ,(not ibegend)
4773 (setq gnus-article-mime-handle-alist
4774 ',gnus-article-mime-handle-alist))
4775 (gnus-mime-display-alternative
4776 ',ihandles ',handle ',begend ,id))
4777 keymap ,gnus-mime-button-map
4778 ,gnus-mouse-face-prop ,gnus-article-mouse-face
4779 face ,gnus-article-button-face
4782 (widget-convert-button 'link from (point)
4783 :action 'gnus-widget-press-button
4784 :button-keymap gnus-widget-button-keymap)
4788 (if (stringp (car preferred))
4789 (gnus-display-mime preferred)
4790 (let ((mail-parse-charset gnus-newsgroup-charset)
4791 (mail-parse-ignored-charsets
4792 (with-current-buffer gnus-summary-buffer
4793 gnus-newsgroup-ignored-charsets)))
4794 (mm-display-part preferred)
4798 (narrow-to-region (car begend) (point-max))
4800 nil (length gnus-article-mime-handle-alist)
4801 (gnus-article-mime-total-parts)
4802 (mm-handle-media-type handle))))))
4803 (goto-char (point-max))
4804 (setcdr begend (point-marker)))))
4806 (goto-char point))))
4808 (defconst gnus-article-wash-status-strings
4809 (let ((alist '((cite "c" "Possible hidden citation text"
4810 " " "All citation text visible")
4811 (headers "h" "Hidden headers"
4812 " " "All headers visible.")
4813 (pgp "p" "Encrypted or signed message status hidden"
4814 " " "No hidden encryption nor digital signature status")
4815 (signature "s" "Signature has been hidden"
4816 " " "Signature is visible")
4817 (overstrike "o" "Overstrike (^H) characters applied"
4818 " " "No overstrike characters applied")
4819 (emphasis "e" "/*_Emphasis_*/ characters applied"
4820 " " "No /*_emphasis_*/ characters applied")))
4822 (dolist (entry alist result)
4823 (let ((key (nth 0 entry))
4824 (on (copy-sequence (nth 1 entry)))
4825 (on-help (nth 2 entry))
4826 (off (copy-sequence (nth 3 entry)))
4827 (off-help (nth 4 entry)))
4828 (put-text-property 0 1 'help-echo on-help on)
4829 (put-text-property 0 1 'help-echo off-help off)
4830 (push (list key on off) result))))
4831 "Alist of strings describing wash status in the mode line.
4832 Each entry has the form (KEY ON OF), where the KEY is a symbol
4833 representing the particular washing function, ON is the string to use
4834 in the article mode line when the washing function is active, and OFF
4835 is the string to use when it is inactive.")
4837 (defun gnus-article-wash-status-entry (key value)
4838 (let ((entry (assoc key gnus-article-wash-status-strings)))
4839 (if value (nth 1 entry) (nth 2 entry))))
4841 (defun gnus-article-wash-status ()
4842 "Return a string which display status of article washing."
4843 (with-current-buffer gnus-article-buffer
4844 (let ((cite (memq 'cite gnus-article-wash-types))
4845 (headers (memq 'headers gnus-article-wash-types))
4846 (boring (memq 'boring-headers gnus-article-wash-types))
4847 (pgp (memq 'pgp gnus-article-wash-types))
4848 (pem (memq 'pem gnus-article-wash-types))
4849 (signed (memq 'signed gnus-article-wash-types))
4850 (encrypted (memq 'encrypted gnus-article-wash-types))
4851 (signature (memq 'signature gnus-article-wash-types))
4852 (overstrike (memq 'overstrike gnus-article-wash-types))
4853 (emphasis (memq 'emphasis gnus-article-wash-types)))
4855 (gnus-article-wash-status-entry 'cite cite)
4856 (gnus-article-wash-status-entry 'headers (or headers boring))
4857 (gnus-article-wash-status-entry 'pgp (or pgp pem signed encrypted))
4858 (gnus-article-wash-status-entry 'signature signature)
4859 (gnus-article-wash-status-entry 'overstrike overstrike)
4860 (gnus-article-wash-status-entry 'emphasis emphasis)))))
4862 (defun gnus-add-wash-type (type)
4863 "Add a washing of TYPE to the current status."
4864 (add-to-list 'gnus-article-wash-types type))
4866 (defun gnus-delete-wash-type (type)
4867 "Add a washing of TYPE to the current status."
4868 (setq gnus-article-wash-types (delq type gnus-article-wash-types)))
4870 (defun gnus-add-image (category image)
4871 "Add IMAGE of CATEGORY to the list of displayed images."
4872 (let ((entry (assq category gnus-article-image-alist)))
4874 (setq entry (list category))
4875 (push entry gnus-article-image-alist))
4876 (nconc entry (list image))))
4878 (defun gnus-delete-images (category)
4879 "Delete all images in CATEGORY."
4880 (let ((entry (assq category gnus-article-image-alist)))
4881 (dolist (image (cdr entry))
4882 (gnus-remove-image image category))
4883 (setq gnus-article-image-alist (delq entry gnus-article-image-alist))
4884 (gnus-delete-wash-type category)))
4886 (defalias 'gnus-article-hide-headers-if-wanted 'gnus-article-maybe-hide-headers)
4888 (defun gnus-article-maybe-hide-headers ()
4889 "Hide unwanted headers if `gnus-have-all-headers' is nil.
4890 Provided for backwards compatibility."
4891 (when (and (or (not (gnus-buffer-live-p gnus-summary-buffer))
4892 (not (with-current-buffer gnus-summary-buffer
4893 gnus-have-all-headers)))
4894 (not gnus-inhibit-hiding))
4895 (gnus-article-hide-headers)))
4899 (defun gnus-output-to-file (file-name)
4900 "Append the current article to a file named FILE-NAME."
4901 (let ((artbuf (current-buffer)))
4903 (insert-buffer-substring artbuf)
4904 ;; Append newline at end of the buffer as separator, and then
4906 (goto-char (point-max))
4908 (let ((file-name-coding-system nnmail-pathname-coding-system))
4909 (mm-append-to-file (point-min) (point-max) file-name))
4912 (defun gnus-narrow-to-page (&optional arg)
4913 "Narrow the article buffer to a page.
4914 If given a numerical ARG, move forward ARG pages."
4916 (setq arg (if arg (prefix-numeric-value arg) 0))
4918 (set-buffer gnus-article-buffer)
4919 (goto-char (point-min))
4921 ;; Remove any old next/prev buttons.
4922 (when (gnus-visual-p 'page-marker)
4923 (let ((buffer-read-only nil))
4924 (gnus-remove-text-with-property 'gnus-prev)
4925 (gnus-remove-text-with-property 'gnus-next)))
4928 (re-search-backward page-delimiter nil 'move (1+ (abs arg))))
4930 (re-search-forward page-delimiter nil 'move arg)))
4931 (goto-char (match-end 0))
4933 (goto-char (point-min))
4934 (setq gnus-page-broken
4935 (and (re-search-forward page-delimiter nil t) t))))
4936 (when gnus-page-broken
4939 (if (re-search-forward page-delimiter nil 'move)
4942 (when (and (gnus-visual-p 'page-marker)
4943 (not (= (point-min) 1)))
4945 (goto-char (point-min))
4946 (gnus-insert-prev-page-button)))
4947 (when (and (gnus-visual-p 'page-marker)
4948 (< (+ (point-max) 2) (buffer-size)))
4950 (goto-char (point-max))
4951 (gnus-insert-next-page-button))))))
4953 ;; Article mode commands
4955 (defun gnus-article-goto-next-page ()
4956 "Show the next page of the article."
4958 (when (gnus-article-next-page)
4959 (goto-char (point-min))
4960 (gnus-article-read-summary-keys nil (gnus-character-to-event ?n))))
4963 (defun gnus-article-goto-prev-page ()
4964 "Show the previous page of the article."
4967 (gnus-article-read-summary-keys nil (gnus-character-to-event ?p))
4968 (gnus-article-prev-page nil)))
4970 ;; This is cleaner but currently breaks `gnus-pick-mode':
4972 ;; (defun gnus-article-goto-next-page ()
4973 ;; "Show the next page of the article."
4975 ;; (gnus-eval-in-buffer-window gnus-summary-buffer
4976 ;; (gnus-summary-next-page)))
4978 ;; (defun gnus-article-goto-prev-page ()
4979 ;; "Show the next page of the article."
4981 ;; (gnus-eval-in-buffer-window gnus-summary-buffer
4982 ;; (gnus-summary-prev-page)))
4984 (defun gnus-article-next-page (&optional lines)
4985 "Show the next page of the current article.
4986 If end of article, return non-nil. Otherwise return nil.
4987 Argument LINES specifies lines to be scrolled up."
4989 (move-to-window-line -1)
4992 (and (pos-visible-in-window-p) ;Not continuation line.
4993 (>= (1+ (point)) (point-max)))) ;Allow for trailing newline.
4994 ;; Nothing in this page.
4995 (if (or (not gnus-page-broken)
4999 (eobp)))) ;Real end-of-buffer?
5001 (when gnus-article-over-scroll
5002 (gnus-article-next-page-1 lines))
5004 (gnus-narrow-to-page 1) ;Go to next page.
5006 ;; More in this page.
5007 (gnus-article-next-page-1 lines)
5010 (defun gnus-article-next-page-1 (lines)
5011 (let ((scroll-in-place nil))
5015 ;; Long lines may cause an end-of-buffer error.
5016 (goto-char (point-max)))))
5017 (move-to-window-line 0))
5019 (defun gnus-article-prev-page (&optional lines)
5020 "Show previous page of current article.
5021 Argument LINES specifies lines to be scrolled down."
5023 (move-to-window-line 0)
5024 (if (and gnus-page-broken
5026 (not (save-restriction (widen) (bobp)))) ;Real beginning-of-buffer?
5028 (gnus-narrow-to-page -1) ;Go to previous page.
5029 (goto-char (point-max))
5031 (let ((scroll-in-place nil))
5035 (beginning-of-buffer
5036 (goto-char (point-min))))
5037 (move-to-window-line 0)))))
5039 (defun gnus-article-only-boring-p ()
5040 "Decide whether there is only boring text remaining in the article.
5041 Something \"interesting\" is a word of at least two letters that does
5042 not have a face in `gnus-article-boring-faces'."
5043 (when (and gnus-article-skip-boring
5044 (boundp 'gnus-article-boring-faces)
5045 (symbol-value 'gnus-article-boring-faces))
5048 (while (re-search-forward "\\b\\w\\w" nil t)
5050 (when (not (gnus-intersection
5051 (gnus-faces-at (point))
5052 (symbol-value 'gnus-article-boring-faces)))
5053 (throw 'only-boring nil)))
5054 (throw 'only-boring t)))))
5056 (defun gnus-article-refer-article ()
5057 "Read article specified by message-id around point."
5060 (re-search-backward "[ \t]\\|^" (point-at-bol) t)
5061 (re-search-forward "<?news:<?\\|<" (point-at-eol) t)
5062 (if (re-search-forward "[^@ ]+@[^ \t>]+" (point-at-eol) t)
5063 (let ((msg-id (concat "<" (match-string 0) ">")))
5064 (set-buffer gnus-summary-buffer)
5065 (gnus-summary-refer-article msg-id))
5066 (error "No references around point"))))
5068 (defun gnus-article-show-summary ()
5069 "Reconfigure windows to show summary buffer."
5071 (if (not (gnus-buffer-live-p gnus-summary-buffer))
5072 (error "There is no summary buffer for this article buffer")
5073 (gnus-article-set-globals)
5074 (gnus-configure-windows 'article)
5075 (gnus-summary-goto-subject gnus-current-article)
5076 (gnus-summary-position-point)))
5078 (defun gnus-article-describe-briefly ()
5079 "Describe article mode commands briefly."
5081 (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")))
5083 (defun gnus-article-summary-command ()
5084 "Execute the last keystroke in the summary buffer."
5086 (let ((obuf (current-buffer))
5087 (owin (current-window-configuration))
5089 (switch-to-buffer gnus-article-current-summary 'norecord)
5090 (setq func (lookup-key (current-local-map) (this-command-keys)))
5091 (call-interactively func)
5093 (set-window-configuration owin)
5094 (set-window-point (get-buffer-window (current-buffer)) (point))))
5096 (defun gnus-article-summary-command-nosave ()
5097 "Execute the last keystroke in the summary buffer."
5100 (pop-to-buffer gnus-article-current-summary 'norecord)
5101 (setq func (lookup-key (current-local-map) (this-command-keys)))
5102 (call-interactively func)))
5104 (defun gnus-article-check-buffer ()
5105 "Beep if not in an article buffer."
5106 (unless (equal major-mode 'gnus-article-mode)
5107 (error "Command invoked outside of a Gnus article buffer")))
5109 (defun gnus-article-read-summary-keys (&optional arg key not-restore-window)
5110 "Read a summary buffer key sequence and execute it from the article buffer."
5112 (gnus-article-check-buffer)
5114 '("q" "Q" "c" "r" "\C-c\C-f" "m" "a" "f"
5115 "Zc" "ZC" "ZE" "ZQ" "ZZ" "Zn" "ZR" "ZG" "ZN" "ZP"
5116 "=" "^" "\M-^" "|"))
5122 '("n" "Gn" "p" "Gp"))
5125 (set-buffer gnus-article-current-summary)
5126 (let (gnus-pick-mode)
5127 (push (or key last-command-event) unread-command-events)
5128 (setq keys (if (featurep 'xemacs)
5129 (events-to-keys (read-key-sequence nil))
5130 (read-key-sequence nil)))))
5134 (if (or (member keys nosaves)
5135 (member keys nosave-but-article)
5136 (member keys nosave-in-article))
5138 (save-window-excursion
5139 (pop-to-buffer gnus-article-current-summary 'norecord)
5140 ;; We disable the pick minor mode commands.
5141 (let (gnus-pick-mode)
5142 (setq func (lookup-key (current-local-map) keys))))
5146 (unless (member keys nosave-in-article)
5147 (set-buffer gnus-article-current-summary))
5148 (call-interactively func)
5149 (setq new-sum-point (point)))
5150 (when (member keys nosave-but-article)
5151 (pop-to-buffer gnus-article-buffer 'norecord)))
5152 ;; These commands should restore window configuration.
5153 (let ((obuf (current-buffer))
5154 (owin (current-window-configuration))
5156 win func in-buffer selected new-sum-start new-sum-hscroll)
5157 (cond (not-restore-window
5158 (pop-to-buffer gnus-article-current-summary 'norecord))
5159 ((setq win (get-buffer-window gnus-article-current-summary))
5160 (select-window win))
5162 (switch-to-buffer gnus-article-current-summary 'norecord)))
5163 (setq in-buffer (current-buffer))
5164 ;; We disable the pick minor mode commands.
5165 (if (and (setq func (let (gnus-pick-mode)
5166 (lookup-key (current-local-map) keys)))
5169 (call-interactively func)
5170 (when (eq win (selected-window))
5171 (setq new-sum-point (point)
5172 new-sum-start (window-start win)
5173 new-sum-hscroll (window-hscroll win))
5174 (when (eq in-buffer (current-buffer))
5175 (setq selected (gnus-summary-select-article))
5177 (unless not-restore-window
5178 (set-window-configuration owin))
5179 (when (eq selected 'old)
5181 (set-window-start (get-buffer-window (current-buffer))
5183 (set-window-point (get-buffer-window (current-buffer))
5185 (when (and (not not-restore-window)
5187 (set-window-point win new-sum-point)
5188 (set-window-start win new-sum-start)
5189 (set-window-hscroll win new-sum-hscroll)))))
5190 (set-window-configuration owin)
5193 (defun gnus-article-describe-key (key)
5194 "Display documentation of the function invoked by KEY. KEY is a string."
5195 (interactive "kDescribe key: ")
5196 (gnus-article-check-buffer)
5197 (if (eq (key-binding key) 'gnus-article-read-summary-keys)
5199 (set-buffer gnus-article-current-summary)
5200 (let (gnus-pick-mode)
5201 (if (featurep 'xemacs)
5203 (push (elt key 0) unread-command-events)
5204 (setq key (events-to-keys
5205 (read-key-sequence "Describe key: "))))
5206 (setq unread-command-events
5208 (lambda (x) (if (>= x 128) (list 'meta (- x 128)) x))
5209 (string-to-list key)))
5210 (setq key (read-key-sequence "Describe key: "))))
5212 (describe-key key)))
5214 (defun gnus-article-describe-key-briefly (key &optional insert)
5215 "Display documentation of the function invoked by KEY. KEY is a string."
5216 (interactive "kDescribe key: \nP")
5217 (gnus-article-check-buffer)
5218 (if (eq (key-binding key) 'gnus-article-read-summary-keys)
5220 (set-buffer gnus-article-current-summary)
5221 (let (gnus-pick-mode)
5222 (if (featurep 'xemacs)
5224 (push (elt key 0) unread-command-events)
5225 (setq key (events-to-keys
5226 (read-key-sequence "Describe key: "))))
5227 (setq unread-command-events
5229 (lambda (x) (if (>= x 128) (list 'meta (- x 128)) x))
5230 (string-to-list key)))
5231 (setq key (read-key-sequence "Describe key: "))))
5232 (describe-key-briefly key insert))
5233 (describe-key-briefly key insert)))
5235 (defun gnus-article-reply-with-original (&optional wide)
5236 "Start composing a reply mail to the current message.
5237 The text in the region will be yanked. If the region isn't active,
5238 the entire article will be yanked."
5240 (let ((article (cdr gnus-article-current))
5242 (if (not (gnus-region-active-p))
5243 (with-current-buffer gnus-summary-buffer
5244 (gnus-summary-reply (list (list article)) wide))
5245 (setq contents (buffer-substring (point) (mark t)))
5246 ;; Deactivate active regions.
5247 (when (and (boundp 'transient-mark-mode)
5248 transient-mark-mode)
5249 (setq mark-active nil))
5250 (with-current-buffer gnus-summary-buffer
5252 (list (list article contents)) wide)))))
5254 (defun gnus-article-followup-with-original ()
5255 "Compose a followup to the current article.
5256 The text in the region will be yanked. If the region isn't active,
5257 the entire article will be yanked."
5259 (let ((article (cdr gnus-article-current))
5261 (if (not (gnus-region-active-p))
5262 (with-current-buffer gnus-summary-buffer
5263 (gnus-summary-followup (list (list article))))
5264 (setq contents (buffer-substring (point) (mark t)))
5265 ;; Deactivate active regions.
5266 (when (and (boundp 'transient-mark-mode)
5267 transient-mark-mode)
5268 (setq mark-active nil))
5269 (with-current-buffer gnus-summary-buffer
5270 (gnus-summary-followup
5271 (list (list article contents)))))))
5273 (defun gnus-article-hide (&optional arg force)
5274 "Hide all the gruft in the current article.
5275 This means that signatures, cited text and (some) headers will be
5277 If given a prefix, show the hidden text instead."
5278 (interactive (append (gnus-article-hidden-arg) (list 'force)))
5279 (gnus-article-hide-headers arg)
5280 (gnus-article-hide-list-identifiers arg)
5281 (gnus-article-hide-citation-maybe arg force)
5282 (gnus-article-hide-signature arg))
5284 (defun gnus-article-maybe-highlight ()
5285 "Do some article highlighting if article highlighting is requested."
5286 (when (gnus-visual-p 'article-highlight 'highlight)
5287 (gnus-article-highlight-some)))
5289 (defun gnus-check-group-server ()
5290 ;; Make sure the connection to the server is alive.
5291 (unless (gnus-server-opened
5292 (gnus-find-method-for-group gnus-newsgroup-name))
5293 (gnus-check-server (gnus-find-method-for-group gnus-newsgroup-name))
5294 (gnus-request-group gnus-newsgroup-name t)))
5297 (autoload 'nneething-get-file-name "nneething"))
5299 (defun gnus-request-article-this-buffer (article group)
5300 "Get an article and insert it into this buffer."
5301 (let (do-update-line sparse-header)
5305 (gnus-kill-all-overlays)
5306 (setq group (or group gnus-newsgroup-name))
5308 ;; Using `gnus-request-article' directly will insert the article into
5309 ;; `nntp-server-buffer' - so we'll save some time by not having to
5310 ;; copy it from the server buffer into the article buffer.
5312 ;; We only request an article by message-id when we do not have the
5313 ;; headers for it, so we'll have to get those.
5314 (when (stringp article)
5315 (gnus-read-header article))
5317 ;; If the article number is negative, that means that this article
5318 ;; doesn't belong in this newsgroup (possibly), so we find its
5319 ;; message-id and request it by id instead of number.
5320 (when (and (numberp article)
5322 (get-buffer gnus-summary-buffer)
5323 (gnus-buffer-exists-p gnus-summary-buffer))
5325 (set-buffer gnus-summary-buffer)
5326 (let ((header (gnus-summary-article-header article)))
5329 ((memq article gnus-newsgroup-sparse)
5330 ;; This is a sparse gap article.
5331 (setq do-update-line article)
5332 (setq article (mail-header-id header))
5333 (setq sparse-header (gnus-read-header article))
5334 (setq gnus-newsgroup-sparse
5335 (delq article gnus-newsgroup-sparse)))
5337 ;; It's a real article.
5338 (setq article (mail-header-id header)))
5340 ;; It is an extracted pseudo-article.
5341 (setq article 'pseudo)
5342 (gnus-request-pseudo-article header))))
5344 (let ((method (gnus-find-method-for-group
5345 gnus-newsgroup-name)))
5346 (when (and (eq (car method) 'nneething)
5348 (let ((dir (nneething-get-file-name
5349 (mail-header-id header))))
5350 (when (and (stringp dir)
5351 (file-directory-p dir))
5352 (setq article 'nneething)
5353 (gnus-group-enter-directory dir))))))))
5356 ;; Refuse to select canceled articles.
5357 ((and (numberp article)
5359 (get-buffer gnus-summary-buffer)
5360 (gnus-buffer-exists-p gnus-summary-buffer)
5361 (eq (cdr (with-current-buffer gnus-summary-buffer
5362 (assq article gnus-newsgroup-reads)))
5363 gnus-canceled-mark))
5365 ;; We first check `gnus-original-article-buffer'.
5366 ((and (get-buffer gnus-original-article-buffer)
5368 (with-current-buffer gnus-original-article-buffer
5369 (and (equal (car gnus-original-article) group)
5370 (eq (cdr gnus-original-article) article))))
5371 (insert-buffer-substring gnus-original-article-buffer)
5373 ;; Check the backlog.
5374 ((and gnus-keep-backlog
5375 (gnus-backlog-request-article group article (current-buffer)))
5377 ;; Check asynchronous pre-fetch.
5378 ((gnus-async-request-fetched-article group article (current-buffer))
5379 (gnus-async-prefetch-next group article gnus-summary-buffer)
5380 (when (and (numberp article) gnus-keep-backlog)
5381 (gnus-backlog-enter-article group article (current-buffer)))
5384 ((and gnus-use-cache
5386 (gnus-cache-request-article article group))
5388 ;; Check the agent cache.
5389 ((gnus-agent-request-article article group)
5391 ;; Get the article and put into the article buffer.
5392 ((or (stringp article)
5394 (let ((gnus-override-method gnus-override-method)
5395 (methods (and (stringp article)
5396 gnus-refer-article-method))
5397 (backend (car (gnus-find-method-for-group
5398 gnus-newsgroup-name)))
5400 (buffer-read-only nil))
5401 (if (or (not (listp methods))
5402 (and (symbolp (car methods))
5403 (assq (car methods) nnoo-definition-alist)))
5404 (setq methods (list methods)))
5405 (when (and (null gnus-override-method)
5407 (setq gnus-override-method (pop methods)))
5409 (when (eq gnus-override-method 'current)
5410 (setq gnus-override-method
5411 (with-current-buffer gnus-summary-buffer
5412 gnus-current-select-method)))
5414 (gnus-kill-all-overlays)
5415 (let ((gnus-newsgroup-name group))
5416 (gnus-check-group-server))
5418 ((gnus-request-article article group (current-buffer))
5419 (when (numberp article)
5420 (gnus-async-prefetch-next group article
5421 gnus-summary-buffer)
5422 (when gnus-keep-backlog
5423 (gnus-backlog-enter-article
5424 group article (current-buffer))))
5425 (setq result 'article))
5427 (setq gnus-override-method (pop methods)))
5428 ((not (string-match "^400 "
5429 (nnheader-get-report backend)))
5430 ;; If we get 400 server disconnect, reconnect and
5431 ;; retry; otherwise, assume the article has expired.
5432 (setq result 'done))))
5433 (and (eq result 'article) 'article)))
5437 ;; Associate this article with the current summary buffer.
5438 (setq gnus-article-current-summary gnus-summary-buffer)
5440 ;; Take the article from the original article buffer
5441 ;; and place it in the buffer it's supposed to be in.
5442 (when (and (get-buffer gnus-article-buffer)
5443 (equal (buffer-name (current-buffer))
5444 (buffer-name (get-buffer gnus-article-buffer))))
5446 (if (get-buffer gnus-original-article-buffer)
5447 (set-buffer gnus-original-article-buffer)
5448 (set-buffer (gnus-get-buffer-create gnus-original-article-buffer))
5449 (buffer-disable-undo)
5450 (setq major-mode 'gnus-original-article-mode)
5451 (setq buffer-read-only t))
5452 (let (buffer-read-only)
5454 (insert-buffer-substring gnus-article-buffer))
5455 (setq gnus-original-article (cons group article)))
5458 (run-hooks 'gnus-article-decode-hook)
5459 ;; Mark article as decoded or not.
5460 (setq gnus-article-decoded-p gnus-article-decode-hook))
5462 ;; Update sparse articles.
5463 (when (and do-update-line
5464 (or (numberp article)
5466 (let ((buf (current-buffer)))
5467 (set-buffer gnus-summary-buffer)
5468 (gnus-summary-update-article do-update-line sparse-header)
5469 (gnus-summary-goto-subject do-update-line nil t)
5470 (set-window-point (gnus-get-buffer-window (current-buffer) t)
5472 (set-buffer buf))))))
5478 (defcustom gnus-article-edit-mode-hook nil
5479 "Hook run in article edit mode buffers."
5480 :group 'gnus-article-various
5483 (defvar gnus-article-edit-done-function nil)
5485 (defvar gnus-article-edit-mode-map nil)
5487 ;; Should we be using derived.el for this?
5488 (unless gnus-article-edit-mode-map
5489 (setq gnus-article-edit-mode-map (make-keymap))
5490 (set-keymap-parent gnus-article-edit-mode-map text-mode-map)
5492 (gnus-define-keys gnus-article-edit-mode-map
5493 "\C-c?" describe-mode
5494 "\C-c\C-c" gnus-article-edit-done
5495 "\C-c\C-k" gnus-article-edit-exit
5496 "\C-c\C-f\C-t" message-goto-to
5497 "\C-c\C-f\C-o" message-goto-from
5498 "\C-c\C-f\C-b" message-goto-bcc
5499 ;;"\C-c\C-f\C-w" message-goto-fcc
5500 "\C-c\C-f\C-c" message-goto-cc
5501 "\C-c\C-f\C-s" message-goto-subject
5502 "\C-c\C-f\C-r" message-goto-reply-to
5503 "\C-c\C-f\C-n" message-goto-newsgroups
5504 "\C-c\C-f\C-d" message-goto-distribution
5505 "\C-c\C-f\C-f" message-goto-followup-to
5506 "\C-c\C-f\C-m" message-goto-mail-followup-to
5507 "\C-c\C-f\C-k" message-goto-keywords
5508 "\C-c\C-f\C-u" message-goto-summary
5509 "\C-c\C-f\C-i" message-insert-or-toggle-importance
5510 "\C-c\C-f\C-a" message-generate-unsubscribed-mail-followup-to
5511 "\C-c\C-b" message-goto-body
5512 "\C-c\C-i" message-goto-signature
5514 "\C-c\C-t" message-insert-to
5515 "\C-c\C-n" message-insert-newsgroups
5516 "\C-c\C-o" message-sort-headers
5517 "\C-c\C-e" message-elide-region
5518 "\C-c\C-v" message-delete-not-region
5519 "\C-c\C-z" message-kill-to-signature
5520 "\M-\r" message-newline-and-reformat
5521 "\C-c\C-a" mml-attach-file
5522 "\C-a" message-beginning-of-line
5524 "\M-;" comment-region)
5526 (gnus-define-keys (gnus-article-edit-wash-map
5527 "\C-c\C-w" gnus-article-edit-mode-map)
5528 "f" gnus-article-edit-full-stops))
5531 gnus-article-edit-mode-field-menu gnus-article-edit-mode-map ""
5533 ["Fetch To" message-insert-to t]
5534 ["Fetch Newsgroups" message-insert-newsgroups t]
5536 ["To" message-goto-to t]
5537 ["From" message-goto-from t]
5538 ["Subject" message-goto-subject t]
5539 ["Cc" message-goto-cc t]
5540 ["Reply-To" message-goto-reply-to t]
5541 ["Summary" message-goto-summary t]
5542 ["Keywords" message-goto-keywords t]
5543 ["Newsgroups" message-goto-newsgroups t]
5544 ["Followup-To" message-goto-followup-to t]
5545 ["Mail-Followup-To" message-goto-mail-followup-to t]
5546 ["Distribution" message-goto-distribution t]
5547 ["Body" message-goto-body t]
5548 ["Signature" message-goto-signature t]))
5550 (define-derived-mode gnus-article-edit-mode text-mode "Article Edit"
5551 "Major mode for editing articles.
5552 This is an extended text-mode.
5554 \\{gnus-article-edit-mode-map}"
5555 (make-local-variable 'gnus-article-edit-done-function)
5556 (make-local-variable 'gnus-prev-winconf)
5557 (set (make-local-variable 'font-lock-defaults)
5558 '(message-font-lock-keywords t))
5559 (set (make-local-variable 'mail-header-separator) "")
5560 (set (make-local-variable 'gnus-article-edit-mode) t)
5561 (easy-menu-add message-mode-field-menu message-mode-map)
5563 (setq buffer-read-only nil)
5564 (buffer-enable-undo)
5567 (defun gnus-article-edit (&optional force)
5568 "Edit the current article.
5569 This will have permanent effect only in mail groups.
5570 If FORCE is non-nil, allow editing of articles even in read-only
5573 (when (and (not force)
5574 (gnus-group-read-only-p))
5575 (error "The current newsgroup does not support article editing"))
5576 (gnus-article-date-original)
5577 (gnus-article-edit-article
5579 `(lambda (no-highlight)
5581 (gnus-summary-edit-article-done
5582 ,(or (mail-header-references gnus-current-headers) "")
5583 ,(gnus-group-read-only-p) ,gnus-summary-buffer no-highlight))))
5585 (defun gnus-article-edit-article (start-func exit-func)
5586 "Start editing the contents of the current article buffer."
5587 (let ((winconf (current-window-configuration)))
5588 (set-buffer gnus-article-buffer)
5589 (gnus-article-edit-mode)
5590 (funcall start-func)
5591 (set-buffer-modified-p nil)
5592 (gnus-configure-windows 'edit-article)
5593 (setq gnus-article-edit-done-function exit-func)
5594 (setq gnus-prev-winconf winconf)
5595 (gnus-message 6 "C-c C-c to end edits")))
5597 (defun gnus-article-edit-done (&optional arg)
5598 "Update the article edits and exit."
5600 (let ((func gnus-article-edit-done-function)
5601 (buf (current-buffer))
5602 (start (window-start))
5604 (winconf gnus-prev-winconf))
5605 (widen) ;; Widen it in case that users narrowed the buffer.
5608 ;; The cache and backlog have to be flushed somewhat.
5609 (when gnus-keep-backlog
5610 (gnus-backlog-remove-article
5611 (car gnus-article-current) (cdr gnus-article-current)))
5612 ;; Flush original article as well.
5614 (when (get-buffer gnus-original-article-buffer)
5615 (set-buffer gnus-original-article-buffer)
5616 (setq gnus-original-article nil)))
5617 (when gnus-use-cache
5618 (gnus-cache-update-article
5619 (car gnus-article-current) (cdr gnus-article-current)))
5620 ;; We remove all text props from the article buffer.
5621 (kill-all-local-variables)
5622 (set-text-properties (point-min) (point-max) nil)
5624 (set-window-configuration winconf)
5626 (set-window-start (get-buffer-window buf) start)
5627 (set-window-point (get-buffer-window buf) (point)))
5628 (gnus-summary-show-article))
5630 (defun gnus-article-edit-exit ()
5631 "Exit the article editing without updating."
5633 (when (or (not (buffer-modified-p))
5634 (yes-or-no-p "Article modified; kill anyway? "))
5635 (let ((curbuf (current-buffer))
5637 (window-start (window-start)))
5639 (if (gnus-buffer-live-p gnus-original-article-buffer)
5640 (insert-buffer gnus-original-article-buffer))
5641 (let ((winconf gnus-prev-winconf))
5642 (kill-all-local-variables)
5644 (set-window-configuration winconf)
5645 ;; Tippy-toe some to make sure that point remains where it was.
5646 (save-current-buffer
5648 (set-window-start (get-buffer-window (current-buffer)) window-start)
5650 (gnus-summary-show-article)))
5652 (defun gnus-article-edit-full-stops ()
5653 "Interactively repair spacing at end of sentences."
5656 (goto-char (point-min))
5657 (search-forward-regexp "^$" nil t)
5658 (let ((case-fold-search nil))
5659 (query-replace-regexp "\\([.!?][])}]* \\)\\([[({A-Z]\\)" "\\1 \\2"))))
5662 ;;; Article highlights
5665 ;; Written by Per Abrahamsen <abraham@iesd.auc.dk>.
5667 ;;; Internal Variables:
5669 (defcustom gnus-button-url-regexp
5670 (if (string-match "[[:digit:]]" "1") ;; support POSIX?
5671 "\\b\\(\\(www\\.\\|\\(s?https?\\|ftp\\|file\\|gopher\\|nntp\\|news\\|telnet\\|wais\\|mailto\\|info\\):\\)\\(//[-a-z0-9_.]+:[0-9]*\\)?[-a-z0-9_=!?#$@~%&*+\\/:;.,[:word:]]+[-a-z0-9_=#$@~%&*+\\/[:word:]]\\)"
5672 "\\b\\(\\(www\\.\\|\\(s?https?\\|ftp\\|file\\|gopher\\|nntp\\|news\\|telnet\\|wais\\|mailto\\|info\\):\\)\\(//[-a-z0-9_.]+:[0-9]*\\)?\\([-a-z0-9_=!?#$@~%&*+\\/:;.,]\\|\\w\\)+\\([-a-z0-9_=#$@~%&*+\\/]\\|\\w\\)\\)")
5673 "Regular expression that matches URLs."
5674 :group 'gnus-article-buttons
5677 (defcustom gnus-button-valid-fqdn-regexp
5678 message-valid-fqdn-regexp
5679 "Regular expression that matches a valid FQDN."
5680 :group 'gnus-article-buttons
5683 (defcustom gnus-button-man-handler 'manual-entry
5684 "Function to use for displaying man pages.
5685 The function must take at least one argument with a string naming the
5687 :type '(choice (function-item :tag "Man" manual-entry)
5688 (function-item :tag "Woman" woman)
5689 (function :tag "Other"))
5690 :group 'gnus-article-buttons)
5692 (defcustom gnus-ctan-url "http://tug.ctan.org/tex-archive/"
5693 "Top directory of a CTAN \(Comprehensive TeX Archive Network\) archive.
5694 If the default site is too slow, try to find a CTAN mirror, see
5695 <URL:http://tug.ctan.org/tex-archive/CTAN.sites?action=/index.html>. See also
5696 the variable `gnus-button-handle-ctan'."
5697 :group 'gnus-article-buttons
5698 :link '(custom-manual "(gnus)Group Parameters")
5699 :type '(choice (const "http://www.tex.ac.uk/tex-archive/")
5700 (const "http://tug.ctan.org/tex-archive/")
5701 (const "http://www.dante.de/CTAN/")
5702 (string :tag "Other")))
5704 (defcustom gnus-button-ctan-handler 'browse-url
5705 "Function to use for displaying CTAN links.
5706 The function must take one argument, the string naming the URL."
5707 :type '(choice (function-item :tag "Browse Url" browse-url)
5708 (function :tag "Other"))
5709 :group 'gnus-article-buttons)
5711 (defcustom gnus-button-handle-ctan-bogus-regexp "^/?tex-archive/\\|^/"
5712 "Bogus strings removed from CTAN URLs."
5713 :group 'gnus-article-buttons
5714 :type '(choice (const "^/?tex-archive/\\|/")
5715 (regexp :tag "Other")))
5717 (defcustom gnus-button-ctan-directory-regexp
5720 "biblio\\|digests\\|dviware\\|fonts\\|graphics\\|help\\|"
5721 "indexing\\|info\\|language\\|macros\\|support\\|systems\\|"
5722 "tds\\|tools\\|usergrps\\|web\\|nonfree\\|obsolete"
5724 "Regular expression for ctan directories.
5725 It should match all directories in the top level of `gnus-ctan-url'."
5726 :group 'gnus-article-buttons
5729 (defcustom gnus-button-mid-or-mail-regexp
5730 (concat "\\b\\(<?[a-z0-9$%(*-=?[_][^<>\")!;:,{}\n\t ]*@"
5731 ;; Felix Wiemann in <87oeuomcz9.fsf@news2.ososo.de>
5732 gnus-button-valid-fqdn-regexp
5734 "Regular expression that matches a message ID or a mail address."
5735 :group 'gnus-article-buttons
5738 (defcustom gnus-button-prefer-mid-or-mail 'gnus-button-mid-or-mail-heuristic
5739 "What to do when the button on a string as \"foo123@bar.invalid\" is pushed.
5740 Strings like this can be either a message ID or a mail address. If it is one
5741 of the symbols `mid' or `mail', Gnus will always assume that the string is a
5742 message ID or a mail address, respectively. If this variable is set to the
5743 symbol `ask', always query the user what do do. If it is a function, this
5744 function will be called with the string as it's only argument. The function
5745 must return `mid', `mail', `invalid' or `ask'."
5746 :group 'gnus-article-buttons
5747 :type '(choice (function-item :tag "Heuristic function"
5748 gnus-button-mid-or-mail-heuristic)
5753 (defcustom gnus-button-mid-or-mail-heuristic-alist
5754 '((-10.0 . ".+\\$.+@")
5757 (-5.0 . "\\+[^+]*\\+.*@") ;; # two plus signs
5758 (-5.0 . "@[Nn][Ee][Ww][Ss]") ;; /\@news/i
5759 (-5.0 . "@.*[Dd][Ii][Aa][Ll][Uu][Pp]") ;; /\@.*dialup/i;
5760 (-1.0 . "^[^a-z]+@")
5762 (-5.0 . "\\.[0-9][0-9]+.*@") ;; "\.[0-9]{2,}.*\@"
5763 (-5.0 . "[a-z].*[A-Z].*[a-z].*[A-Z].*@") ;; "([a-z].*[A-Z].*){2,}\@"
5764 (-3.0 . "[A-Z][A-Z][a-z][a-z].*@")
5765 (-5.0 . "\\...?.?@") ;; (-5.0 . "\..{1,3}\@")
5768 (-1.0 . "^[0-9][0-9]")
5770 ;; -3.0 /^[0-9][0-9a-fA-F]{2,2}/;
5771 (-3.0 . "^[0-9][0-9a-fA-F][0-9a-fA-F][^0-9a-fA-F]")
5772 ;; -5.0 /^[0-9][0-9a-fA-F]{3,3}/;
5773 (-5.0 . "^[0-9][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][^0-9a-fA-F]")
5775 (-3.0 . "[0-9][0-9][0-9][0-9][0-9][^0-9].*@") ;; "[0-9]{5,}.*\@"
5776 (-3.0 . "[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][^0-9].*@")
5779 . "[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9].*@")
5781 ;; compensation for TDMA dated mail addresses:
5782 (25.0 . "-dated-[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]+.*@")
5784 (-20.0 . "\\.fsf@") ;; Gnus
5787 (-20.0 . "_-_") ;; Subject change in thread
5789 (-20.0 . "\\.ln@") ;; leafnode
5790 (-30.0 . "@ID-[0-9]+\\.[a-zA-Z]+\\.dfncis\\.de")
5791 (-30.0 . "@4[Aa][Xx]\\.com") ;; Forte Agent
5793 ;; (5.0 . "") ;; $local_part_len <= 7
5794 (10.0 . "^[^0-9]+@")
5795 (3.0 . "^[^0-9]+[0-9][0-9]?[0-9]?@")
5796 ;; ^[^0-9]+[0-9]{1,3}\@ digits only at end of local part
5799 (2.0 . "[a-z][a-z][._-][A-Z][a-z].*@")
5801 (0.5 . "^[A-Z][a-z]")
5802 (0.5 . "^[A-Z][a-z][a-z]")
5803 (1.5 . "^[A-Z][a-z][A-Z][a-z][^a-z]") ;; ^[A-Z][a-z]{3,3}
5804 (2.0 . "^[A-Z][a-z][A-Z][a-z][a-z][^a-z]")) ;; ^[A-Z][a-z]{4,4}
5805 "An alist of \(RATE . REGEXP\) pairs for `gnus-button-mid-or-mail-heuristic'.
5807 A negative RATE indicates a message IDs, whereas a positive indicates a mail
5808 address. The REGEXP is processed with `case-fold-search' set to nil."
5809 :group 'gnus-article-buttons
5810 :type '(repeat (cons (number :tag "Rate")
5811 (regexp :tag "Regexp"))))
5813 (defun gnus-button-mid-or-mail-heuristic (mid-or-mail)
5814 "Guess whether MID-OR-MAIL is a message ID or a mail address.
5815 Returns `mid' if MID-OR-MAIL is a message IDs, `mail' if it's a mail
5816 address, `ask' if unsure and `invalid' if the string is invalid."
5817 (let ((case-fold-search nil)
5818 (list gnus-button-mid-or-mail-heuristic-alist)
5819 (result 0) rate regexp lpartlen elem)
5821 (length (gnus-replace-in-string mid-or-mail "^\\(.*\\)@.*$" "\\1")))
5822 (gnus-message 8 "`%s', length of local part=`%s'." mid-or-mail lpartlen)
5823 ;; Certain special cases...
5826 "^0[0-9]+-[0-9][0-9][0-9][0-9]@t-online\\.de$\\|"
5827 "^[0-9]+\\.[0-9]+@compuserve\\|"
5828 "@public\\.gmane\\.org")
5830 (gnus-message 8 "`%s' is a known mail address." mid-or-mail)
5831 (setq result 'mail))
5832 (when (string-match "@.*@\\| " mid-or-mail)
5833 (gnus-message 8 "`%s' is invalid." mid-or-mail)
5834 (setq result 'invalid))
5835 ;; Nothing more to do, if result is not a number here...
5836 (when (numberp result)
5838 (setq elem (car list)
5842 (when (string-match regexp mid-or-mail)
5843 (setq result (+ result rate))
5845 9 "`%s' matched `%s', rate `%s', result `%s'."
5846 mid-or-mail regexp rate result)))
5847 (when (<= lpartlen 7)
5848 (setq result (+ result 5.0))
5849 (gnus-message 9 "`%s' matched (<= lpartlen 7), result `%s'."
5850 mid-or-mail result))
5851 (when (>= lpartlen 12)
5852 (gnus-message 9 "`%s' matched (>= lpartlen 12)" mid-or-mail)
5854 ((string-match "[0-9][^0-9]+[0-9].*@" mid-or-mail)
5855 ;; Long local part should contain realname if e-mail address,
5856 ;; too many digits: message-id.
5857 ;; $score -= 5.0 + 0.1 * $local_part_len;
5858 (setq rate (* -1.0 (+ 5.0 (* 0.1 lpartlen))))
5859 (setq result (+ result rate))
5861 9 "Many digits in `%s', rate `%s', result `%s'."
5862 mid-or-mail rate result))
5863 ((string-match "[^aeiouy][^aeiouy][^aeiouy][^aeiouy]+.*\@"
5865 ;; Too few vowels [^aeiouy]{4,}.*\@
5866 (setq result (+ result -5.0))
5868 9 "Few vowels in `%s', rate `%s', result `%s'."
5869 mid-or-mail -5.0 result))
5871 (setq result (+ result 5.0))
5873 9 "`%s', rate `%s', result `%s'." mid-or-mail 5.0 result)))))
5874 (gnus-message 8 "`%s': Final rate is `%s'." mid-or-mail result)
5875 ;; Maybe we should make this a customizable alist: (condition . 'result)
5877 ((symbolp result) result)
5878 ;; Now convert number into proper results:
5879 ((< result -10.0) 'mid)
5880 ((> result 10.0) 'mail)
5883 (defun gnus-button-handle-mid-or-mail (mid-or-mail)
5884 (let* ((pref gnus-button-prefer-mid-or-mail) guessed
5885 (url-mid (concat "news" ":" mid-or-mail))
5886 (url-mailto (concat "mailto" ":" mid-or-mail)))
5887 (gnus-message 9 "mid-or-mail=%s" mid-or-mail)
5888 (when (fboundp pref)
5890 ;; get rid of surrounding angles...
5892 (gnus-replace-in-string mid-or-mail "^<\\|>$" "")))
5893 (if (or (eq 'mid guessed) (eq 'mail guessed))
5897 (save-window-excursion
5898 (if (y-or-n-p (concat "Is <" mid-or-mail "> a mail address? "))
5901 (cond ((eq pref 'mid)
5902 (gnus-message 8 "calling `gnus-button-handle-news' %s" url-mid)
5903 (gnus-button-handle-news url-mid))
5905 (gnus-message 8 "calling `gnus-url-mailto' %s" url-mailto)
5906 (gnus-url-mailto url-mailto))
5907 (t (gnus-message 3 "Invalid string.")))))
5909 (defun gnus-button-handle-custom (url)
5910 "Follow a Custom URL."
5911 (customize-apropos (gnus-url-unhex-string url)))
5913 (defvar gnus-button-handle-describe-prefix "^\\(C-h\\|<?[Ff]1>?\\)")
5915 ;; FIXME: Maybe we should merge some of the functions that do quite similar
5918 (defun gnus-button-handle-describe-function (url)
5919 "Call `describe-function' when pushing the corresponding URL button."
5922 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))))
5924 (defun gnus-button-handle-describe-variable (url)
5925 "Call `describe-variable' when pushing the corresponding URL button."
5928 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))))
5930 (defun gnus-button-handle-symbol (url)
5931 "Display help on variable or function.
5932 Calls `describe-variable' or `describe-function'."
5933 (let ((sym (intern url)))
5935 ((fboundp sym) (describe-function sym))
5936 ((boundp sym) (describe-variable sym))
5937 (t (gnus-message 3 "`%s' is not a known function of variable." url)))))
5939 (defun gnus-button-handle-describe-key (url)
5940 "Call `describe-key' when pushing the corresponding URL button."
5942 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))
5943 (keys (ignore-errors (eval `(kbd ,key-string)))))
5946 (gnus-message 3 "Invalid key sequence in button: %s" key-string))))
5948 (defun gnus-button-handle-apropos (url)
5949 "Call `apropos' when pushing the corresponding URL button."
5950 (apropos (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
5952 (defun gnus-button-handle-apropos-command (url)
5953 "Call `apropos' when pushing the corresponding URL button."
5955 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
5957 (defun gnus-button-handle-apropos-variable (url)
5958 "Call `apropos' when pushing the corresponding URL button."
5960 (if (fboundp 'apropos-variable) 'apropos-variable 'apropos)
5961 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
5963 (defun gnus-button-handle-apropos-documentation (url)
5964 "Call `apropos' when pushing the corresponding URL button."
5966 (if (fboundp 'apropos-documentation) 'apropos-documentation 'apropos)
5967 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
5969 (defun gnus-button-handle-library (url)
5970 "Call `locate-library' when pushing the corresponding URL button."
5971 (gnus-message 9 "url=`%s'" url)
5972 (let* ((lib (locate-library url))
5973 (file (gnus-replace-in-string (or lib "") "\.elc" ".el")))
5975 (gnus-message 1 "Cannot locale library `%s'." url)
5976 (find-file-read-only file))))
5978 (defun gnus-button-handle-ctan (url)
5979 "Call `browse-url' when pushing a CTAN URL button."
5981 gnus-button-ctan-handler
5984 (gnus-replace-in-string url gnus-button-handle-ctan-bogus-regexp ""))))
5986 (defcustom gnus-button-tex-level 5
5987 "*Integer that says how many TeX-related buttons Gnus will show.
5988 The higher the number, the more buttons will appear and the more false
5989 positives are possible. Note that you can set this variable local to
5990 specific groups. Setting it higher in TeX groups is probably a good idea.
5991 See Info node `(gnus)Group Parameters' and the variable `gnus-parameters' on
5992 how to set variables in specific groups."
5993 :group 'gnus-article-buttons
5994 :link '(custom-manual "(gnus)Group Parameters")
5997 (defcustom gnus-button-man-level 5
5998 "*Integer that says how many man-related buttons Gnus will show.
5999 The higher the number, the more buttons will appear and the more false
6000 positives are possible. Note that you can set this variable local to
6001 specific groups. Setting it higher in Unix groups is probably a good idea.
6002 See Info node `(gnus)Group Parameters' and the variable `gnus-parameters' on
6003 how to set variables in specific groups."
6004 :group 'gnus-article-buttons
6005 :link '(custom-manual "(gnus)Group Parameters")
6008 (defcustom gnus-button-emacs-level 5
6009 "*Integer that says how many emacs-related buttons Gnus will show.
6010 The higher the number, the more buttons will appear and the more false
6011 positives are possible. Note that you can set this variable local to
6012 specific groups. Setting it higher in Emacs or Gnus related groups is
6013 probably a good idea. See Info node `(gnus)Group Parameters' and the variable
6014 `gnus-parameters' on how to set variables in specific groups."
6015 :group 'gnus-article-buttons
6016 :link '(custom-manual "(gnus)Group Parameters")
6019 (defcustom gnus-button-message-level 5
6020 "*Integer that says how many buttons for news or mail messages will appear.
6021 The higher the number, the more buttons will appear and the more false
6022 positives are possible."
6023 ;; mail addresses, MIDs, URLs for news, ...
6024 :group 'gnus-article-buttons
6027 (defcustom gnus-button-browse-level 5
6028 "*Integer that says how many buttons for browsing will appear.
6029 The higher the number, the more buttons will appear and the more false
6030 positives are possible."
6031 ;; stuff handled by `browse-url' or `gnus-button-embedded-url'
6032 :group 'gnus-article-buttons
6035 (defcustom gnus-button-alist
6036 '(("<\\(url:[>\n\t ]*?\\)?\\(nntp\\|news\\):[>\n\t ]*\\([^>\n\t ]*@[^>\n\t ]*\\)>"
6037 0 (>= gnus-button-message-level 0) gnus-button-handle-news 3)
6038 ("\\b\\(nntp\\|news\\):\\([^>\n\t ]*@[^>)!;:,\n\t ]*\\)" 0 t
6039 gnus-button-handle-news 2)
6040 ("\\(\\b<\\(url:[>\n\t ]*\\)?\\(nntp\\|news\\):[>\n\t ]*\\(//\\)?\\([^>\n\t ]*\\)>\\)"
6041 1 (>= gnus-button-message-level 0) gnus-button-fetch-group 5)
6042 ("\\b\\(nntp\\|news\\):\\(//\\)?\\([^'\">\n\t ]+\\)"
6043 0 (>= gnus-button-message-level 0) gnus-button-fetch-group 3)
6044 ;; RFC 2392 (Don't allow `/' in domain part --> CID)
6045 ("\\bmid:\\(//\\)?\\([^'\">\n\t ]+@[^'\">\n\t /]+\\)"
6046 0 (>= gnus-button-message-level 0) gnus-button-message-id 2)
6047 ("\\bin\\( +article\\| +message\\)? +\\(<\\([^\n @<>]+@[^\n @<>]+\\)>\\)"
6048 2 (>= gnus-button-message-level 0) gnus-button-message-id 3)
6049 ("\\(<URL: *\\)mailto: *\\([^> \n\t]+\\)>"
6050 0 (>= gnus-button-message-level 0) gnus-url-mailto 2)
6051 ;; RFC 2368 (The mailto URL scheme)
6052 ("\\bmailto:\\([-a-z.@_+0-9%=?&/]+\\)"
6053 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
6054 ("\\bmailto:\\([^ \n\t]+\\)"
6055 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
6057 ((concat "\\bCTAN:[ \t\n]?[^>)!;:,'\n\t ]*\\("
6058 gnus-button-ctan-directory-regexp
6059 "[^][>)!;:,'\n\t ]+\\)")
6060 0 (>= gnus-button-tex-level 1) gnus-button-handle-ctan 1)
6061 ((concat "\\btex-archive/\\("
6062 gnus-button-ctan-directory-regexp
6063 "/[-_.a-z0-9/]+[-_./a-z0-9]+[/a-z0-9]\\)")
6064 1 (>= gnus-button-tex-level 6) gnus-button-handle-ctan 1)
6067 gnus-button-ctan-directory-regexp
6068 "/[-_.a-z0-9]+/[-_./a-z0-9]+[/a-z0-9]\\)")
6069 1 (>= gnus-button-tex-level 8) gnus-button-handle-ctan 1)
6070 ;; This is info (home-grown style) <info://foo/bar+baz>
6071 ("\\binfo://\\([^'\">\n\t ]+\\)"
6072 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url 1)
6073 ;; Info GNOME style <info:foo#bar_baz>
6074 ("\\binfo:\\([^('\n\t\r \"><][^'\n\t\r \"><]*\\)"
6075 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url-gnome 1)
6076 ;; Info KDE style <info:(foo)bar baz>
6077 ("<\\(info:\\(([^)]+)[^>\n\r]*\\)\\)>"
6078 1 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url-kde 2)
6079 ("\\((Info-goto-node\\|(info\\)[ \t\n]*\\(\"[^\"]*\"\\))" 0
6080 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url 2)
6081 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+i[ \t\n]+d?[ \t\n]?m[ \t\n]+\\([^ ]+ ?[^ ]+\\)[ \t\n]+RET"
6082 ;; Info links like `C-h i d m CC Mode RET'
6083 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-keystrokes 2)
6085 ("\\bcustom:\\(//\\)?\\([^'\">\n\t ]+\\)"
6086 0 (>= gnus-button-emacs-level 5) gnus-button-handle-custom 2)
6087 ("M-x[ \t\n]customize-[^ ]+[ \t\n]RET[ \t\n]\\([^ ]+\\)[ \t\n]RET" 0
6088 (>= gnus-button-emacs-level 1) gnus-button-handle-custom 1)
6089 ;; Emacs help commands
6090 ("M-x[ \t\n]+apropos[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6091 ;; regexp doesn't match arguments containing ` '.
6092 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos 1)
6093 ("M-x[ \t\n]+apropos-command[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6094 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-command 1)
6095 ("M-x[ \t\n]+apropos-variable[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6096 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-variable 1)
6097 ("M-x[ \t\n]+apropos-documentation[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6098 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-documentation 1)
6099 ;; The following entries may lead to many false positives so don't enable
6100 ;; them by default (use a high button level):
6101 ("/\\([a-z][-a-z0-9]+\\.el\\)\\>"
6102 1 (>= gnus-button-emacs-level 8) gnus-button-handle-library 1)
6103 ("`\\([a-z][-a-z0-9]+\\.el\\)'"
6104 1 (>= gnus-button-emacs-level 8) gnus-button-handle-library 1)
6105 ("`\\([a-z][a-z0-9]+-[a-z]+-[-a-z]+\\|\\(gnus\\|message\\)-[-a-z]+\\)'"
6106 0 (>= gnus-button-emacs-level 8) gnus-button-handle-symbol 1)
6107 ("`\\([a-z][a-z0-9]+-[a-z]+\\)'"
6108 0 (>= gnus-button-emacs-level 9) gnus-button-handle-symbol 1)
6109 ("(setq[ \t\n]+\\([a-z][a-z0-9]+-[-a-z0-9]+\\)[ \t\n]+.+)"
6110 1 (>= gnus-button-emacs-level 7) gnus-button-handle-describe-variable 1)
6111 ("\\bM-x[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6112 1 (>= gnus-button-emacs-level 7) gnus-button-handle-describe-function 1)
6113 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+f[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6114 0 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-function 2)
6115 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+v[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6116 0 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-variable 2)
6117 ("`\\(\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+k[ \t\n]+\\([^']+\\)\\)'"
6118 ;; Unlike the other regexps we really have to require quoting
6119 ;; here to determine where it ends.
6120 1 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-key 3)
6121 ;; This is how URLs _should_ be embedded in text (RFC 1738, RFC 2396)...
6122 ("<URL: *\\([^<>]*\\)>"
6123 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
6124 ;; RFC 2396 (2.4.3., delims) ...
6125 ("\"URL: *\\([^\"]*\\)\""
6126 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
6127 ;; RFC 2396 (2.4.3., delims) ...
6128 ("\"URL: *\\([^\"]*\\)\""
6129 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
6131 (gnus-button-url-regexp
6132 0 (>= gnus-button-browse-level 0) browse-url 0)
6134 ("\\b\\([a-z][a-z]+([1-9])\\)\\W"
6135 0 (and (>= gnus-button-man-level 1) (< gnus-button-man-level 3))
6136 gnus-button-handle-man 1)
6137 ;; more man pages: resolv.conf(5), iso_8859-1(7), xterm(1x)
6138 ("\\b\\([a-z][-_.a-z0-9]+([1-9])\\)\\W"
6139 0 (and (>= gnus-button-man-level 3) (< gnus-button-man-level 5))
6140 gnus-button-handle-man 1)
6141 ;; even more: Apache::PerlRun(3pm), PDL::IO::FastRaw(3pm),
6142 ;; SoWWWAnchor(3iv), XSelectInput(3X11), X(1), X(7)
6143 ("\\b\\(\\(?:[a-z][-+_.:a-z0-9]+([1-9][X1a-z]*)\\)\\W\\|\\b\\(?:X([1-9])\\)\\)\\W"
6144 0 (>= gnus-button-man-level 5) gnus-button-handle-man 1)
6145 ;; MID or mail: To avoid too many false positives we don't try to catch
6146 ;; all kind of allowed MIDs or mail addresses. Domain part must contain
6147 ;; at least one dot. TLD must contain two or three chars or be a know TLD
6148 ;; (info|name|...). Put this entry near the _end_ of `gnus-button-alist'
6149 ;; so that non-ambiguous entries (see above) match first.
6150 (gnus-button-mid-or-mail-regexp
6151 0 (>= gnus-button-message-level 5) gnus-button-handle-mid-or-mail 1))
6152 "*Alist of regexps matching buttons in article bodies.
6154 Each entry has the form (REGEXP BUTTON FORM CALLBACK PAR...), where
6155 REGEXP: is the string (case insensitive) matching text around the button (can
6156 also be Lisp expression evaluating to a string),
6157 BUTTON: is the number of the regexp grouping actually matching the button,
6158 FORM: is a Lisp expression which must eval to true for the button to
6160 CALLBACK: is the function to call when the user push this button, and each
6161 PAR: is a number of a regexp grouping whose text will be passed to CALLBACK.
6163 CALLBACK can also be a variable, in that case the value of that
6164 variable it the real callback function."
6165 :group 'gnus-article-buttons
6166 :type '(repeat (list (choice regexp variable sexp)
6167 (integer :tag "Button")
6169 (function :tag "Callback")
6172 (integer :tag "Regexp group")))))
6174 (defcustom gnus-header-button-alist
6175 '(("^\\(References\\|Message-I[Dd]\\|^In-Reply-To\\):" "<[^<>]+>"
6176 0 (>= gnus-button-message-level 0) gnus-button-message-id 0)
6177 ("^\\(From\\|Reply-To\\):" ": *\\(.+\\)$"
6178 1 (>= gnus-button-message-level 0) gnus-button-reply 1)
6179 ("^\\(Cc\\|To\\):" "[^ \t\n<>,()\"]+@[^ \t\n<>,()\"]+"
6180 0 (>= gnus-button-message-level 0) gnus-button-mailto 0)
6181 ("^X-[Uu][Rr][Ll]:" gnus-button-url-regexp
6182 0 (>= gnus-button-browse-level 0) browse-url 0)
6183 ("^Subject:" gnus-button-url-regexp
6184 0 (>= gnus-button-browse-level 0) browse-url 0)
6185 ("^[^:]+:" gnus-button-url-regexp
6186 0 (>= gnus-button-browse-level 0) browse-url 0)
6187 ("^[^:]+:" "\\bmailto:\\([-a-z.@_+0-9%=?&/]+\\)"
6188 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
6189 ("^[^:]+:" "\\(<\\(url: \\)?\\(nntp\\|news\\):\\([^>\n ]*\\)>\\)"
6190 1 (>= gnus-button-message-level 0) gnus-button-message-id 4))
6191 "*Alist of headers and regexps to match buttons in article heads.
6193 This alist is very similar to `gnus-button-alist', except that each
6194 alist has an additional HEADER element first in each entry:
6196 \(HEADER REGEXP BUTTON FORM CALLBACK PAR)
6198 HEADER is a regexp to match a header. For a fuller explanation, see
6199 `gnus-button-alist'."
6200 :group 'gnus-article-buttons
6201 :group 'gnus-article-headers
6202 :type '(repeat (list (regexp :tag "Header")
6203 (choice regexp variable)
6204 (integer :tag "Button")
6206 (function :tag "Callback")
6209 (integer :tag "Regexp group")))))
6213 (defun gnus-article-push-button (event)
6214 "Check text under the mouse pointer for a callback function.
6215 If the text under the mouse pointer has a `gnus-callback' property,
6216 call it with the value of the `gnus-data' text property."
6218 (set-buffer (window-buffer (posn-window (event-start event))))
6219 (let* ((pos (posn-point (event-start event)))
6220 (data (get-text-property pos 'gnus-data))
6221 (fun (get-text-property pos 'gnus-callback)))
6224 (funcall fun data))))
6226 (defun gnus-article-press-button ()
6227 "Check text at point for a callback function.
6228 If the text at point has a `gnus-callback' property,
6229 call it with the value of the `gnus-data' text property."
6231 (let ((data (get-text-property (point) 'gnus-data))
6232 (fun (get-text-property (point) 'gnus-callback)))
6234 (funcall fun data))))
6236 (defun gnus-article-highlight (&optional force)
6237 "Highlight current article.
6238 This function calls `gnus-article-highlight-headers',
6239 `gnus-article-highlight-citation',
6240 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
6241 do the highlighting. See the documentation for those functions."
6242 (interactive (list 'force))
6243 (gnus-article-highlight-headers)
6244 (gnus-article-highlight-citation force)
6245 (gnus-article-highlight-signature)
6246 (gnus-article-add-buttons force)
6247 (gnus-article-add-buttons-to-head))
6249 (defun gnus-article-highlight-some (&optional force)
6250 "Highlight current article.
6251 This function calls `gnus-article-highlight-headers',
6252 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
6253 do the highlighting. See the documentation for those functions."
6254 (interactive (list 'force))
6255 (gnus-article-highlight-headers)
6256 (gnus-article-highlight-signature)
6257 (gnus-article-add-buttons))
6259 (defun gnus-article-highlight-headers ()
6260 "Highlight article headers as specified by `gnus-header-face-alist'."
6262 (gnus-with-article-headers
6263 (let ((alist gnus-header-face-alist)
6264 entry regexp header-face field-face from hpoints fpoints)
6265 (while (setq entry (pop alist))
6266 (goto-char (point-min))
6267 (setq regexp (concat "^\\("
6268 (if (string-equal "" (nth 0 entry))
6272 header-face (nth 1 entry)
6273 field-face (nth 2 entry))
6274 (while (and (re-search-forward regexp nil t)
6278 (unless (search-forward ":" nil t)
6280 (when (and header-face
6281 (not (memq (point) hpoints)))
6282 (push (point) hpoints)
6283 (gnus-put-text-property from (point) 'face header-face))
6284 (when (and field-face
6285 (not (memq (setq from (point)) fpoints)))
6287 (if (re-search-forward "^[^ \t]" nil t)
6289 (goto-char (point-max)))
6290 (gnus-put-text-property from (point) 'face field-face)))))))
6292 (defun gnus-article-highlight-signature ()
6293 "Highlight the signature in an article.
6294 It does this by highlighting everything after
6295 `gnus-signature-separator' using `gnus-signature-face'."
6297 (gnus-with-article-buffer
6298 (let ((inhibit-point-motion-hooks t))
6300 (when (and gnus-signature-face
6301 (gnus-article-narrow-to-signature))
6302 (gnus-overlay-put (gnus-make-overlay (point-min) (point-max))
6303 'face gnus-signature-face)
6305 (gnus-article-search-signature)
6306 (let ((start (match-beginning 0))
6307 (end (set-marker (make-marker) (1+ (match-end 0)))))
6308 (gnus-article-add-button start (1- end) 'gnus-signature-toggle
6311 (defun gnus-button-in-region-p (b e prop)
6312 "Say whether PROP exists in the region."
6313 (text-property-not-all b e prop nil))
6315 (defun gnus-article-add-buttons (&optional force)
6316 "Find external references in the article and make buttons of them.
6317 \"External references\" are things like Message-IDs and URLs, as
6318 specified by `gnus-button-alist'."
6319 (interactive (list 'force))
6320 (gnus-with-article-buffer
6321 (let ((inhibit-point-motion-hooks t)
6322 (case-fold-search t)
6323 (alist gnus-button-alist)
6325 ;; Remove all old markers.
6326 (let (marker entry new-list)
6327 (while (setq marker (pop gnus-button-marker-list))
6328 (if (or (< marker (point-min)) (>= marker (point-max)))
6329 (push marker new-list)
6331 (when (setq entry (gnus-button-entry))
6332 (put-text-property (match-beginning (nth 1 entry))
6333 (match-end (nth 1 entry))
6334 'gnus-callback nil))
6335 (set-marker marker nil)))
6336 (setq gnus-button-marker-list new-list))
6337 ;; We skip the headers.
6340 (while (setq entry (pop alist))
6341 (setq regexp (eval (car entry)))
6343 (while (re-search-forward regexp nil t)
6344 (let* ((start (and entry (match-beginning (nth 1 entry))))
6345 (end (and entry (match-end (nth 1 entry))))
6346 (from (match-beginning 0)))
6347 (when (and (or (eq t (nth 2 entry))
6348 (eval (nth 2 entry)))
6349 (not (gnus-button-in-region-p
6350 start end 'gnus-callback)))
6351 ;; That optional form returned non-nil, so we add the
6353 (gnus-article-add-button
6354 start end 'gnus-button-push
6355 (car (push (set-marker (make-marker) from)
6356 gnus-button-marker-list))))))))))
6358 ;; Add buttons to the head of an article.
6359 (defun gnus-article-add-buttons-to-head ()
6360 "Add buttons to the head of the article."
6362 (gnus-with-article-headers
6363 (let ((alist gnus-header-button-alist)
6366 ;; Each alist entry.
6367 (setq entry (pop alist))
6368 (goto-char (point-min))
6369 (while (re-search-forward (car entry) nil t)
6370 ;; Each header matching the entry.
6371 (setq beg (match-beginning 0))
6372 (setq end (or (and (re-search-forward "^[^ \t]" nil t)
6373 (match-beginning 0))
6376 (while (re-search-forward (eval (nth 1 entry)) end t)
6377 ;; Each match within a header.
6378 (let* ((entry (cdr entry))
6379 (start (match-beginning (nth 1 entry)))
6380 (end (match-end (nth 1 entry)))
6381 (form (nth 2 entry)))
6382 (goto-char (match-end 0))
6384 (gnus-article-add-button
6385 start end (nth 3 entry)
6386 (buffer-substring (match-beginning (nth 4 entry))
6387 (match-end (nth 4 entry)))))))
6388 (goto-char end))))))
6390 ;;; External functions:
6392 (defun gnus-article-add-button (from to fun &optional data)
6393 "Create a button between FROM and TO with callback FUN and data DATA."
6394 (when gnus-article-button-face
6395 (gnus-overlay-put (gnus-make-overlay from to)
6396 'face gnus-article-button-face))
6397 (gnus-add-text-properties
6399 (nconc (and gnus-article-mouse-face
6400 (list gnus-mouse-face-prop gnus-article-mouse-face))
6401 (list 'gnus-callback fun)
6402 (and data (list 'gnus-data data))))
6403 (widget-convert-button 'link from to :action 'gnus-widget-press-button
6404 :button-keymap gnus-widget-button-keymap))
6406 ;;; Internal functions:
6408 (defun gnus-article-set-globals ()
6409 (with-current-buffer gnus-summary-buffer
6410 (gnus-set-global-variables)))
6412 (defun gnus-signature-toggle (end)
6413 (gnus-with-article-buffer
6414 (let ((inhibit-point-motion-hooks t))
6415 (if (text-property-any end (point-max) 'article-type 'signature)
6417 (gnus-delete-wash-type 'signature)
6418 (gnus-remove-text-properties-when
6419 'article-type 'signature end (point-max)
6420 (cons 'article-type (cons 'signature
6421 gnus-hidden-properties))))
6422 (gnus-add-wash-type 'signature)
6423 (gnus-add-text-properties-when
6424 'article-type nil end (point-max)
6425 (cons 'article-type (cons 'signature
6426 gnus-hidden-properties)))))
6427 (let ((gnus-article-mime-handle-alist-1 gnus-article-mime-handle-alist))
6428 (gnus-set-mode-line 'article))))
6430 (defun gnus-button-entry ()
6431 ;; Return the first entry in `gnus-button-alist' matching this place.
6432 (let ((alist gnus-button-alist)
6435 (setq entry (pop alist))
6436 (if (looking-at (eval (car entry)))
6441 (defun gnus-button-push (marker)
6442 ;; Push button starting at MARKER.
6445 (let* ((entry (gnus-button-entry))
6446 (inhibit-point-motion-hooks t)
6448 (args (mapcar (lambda (group)
6449 (let ((string (match-string group)))
6450 (set-text-properties
6451 0 (length string) nil string)
6458 (fboundp (symbol-value fun)))
6459 (apply (symbol-value fun) args))
6461 (gnus-message 1 "You must define `%S' to use this button"
6462 (cons fun args)))))))
6464 (defun gnus-parse-news-url (url)
6465 (let (scheme server group message-id articles)
6468 (goto-char (point-min))
6469 (when (looking-at "\\([A-Za-z]+\\):")
6470 (setq scheme (match-string 1))
6471 (goto-char (match-end 0)))
6472 (when (looking-at "//\\([^/]+\\)/")
6473 (setq server (match-string 1))
6474 (goto-char (match-end 0)))
6477 ((looking-at "\\(.*@.*\\)")
6478 (setq message-id (match-string 1)))
6479 ((looking-at "\\([^/]+\\)/\\([-0-9]+\\)")
6480 (setq group (match-string 1)
6481 articles (split-string (match-string 2) "-")))
6482 ((looking-at "\\([^/]+\\)/?")
6483 (setq group (match-string 1)))
6485 (error "Unknown news URL syntax"))))
6486 (list scheme server group message-id articles)))
6488 (defun gnus-button-handle-news (url)
6490 (destructuring-bind (scheme server group message-id articles)
6491 (gnus-parse-news-url url)
6495 (set-buffer gnus-summary-buffer)
6497 (let ((gnus-refer-article-method (list (list 'nntp server))))
6498 (gnus-summary-refer-article message-id))
6499 (gnus-summary-refer-article message-id))))
6501 (gnus-button-fetch-group url)))))
6503 (defun gnus-button-handle-man (url)
6505 (gnus-message 9 "`%s' `%s'" gnus-button-man-handler url)
6506 (when (eq gnus-button-man-handler 'woman)
6507 (setq url (gnus-replace-in-string url "([1-9][X1a-z]*).*\\'" "")))
6508 (gnus-message 9 "`%s' `%s'" gnus-button-man-handler url)
6509 (funcall gnus-button-man-handler url))
6511 (defun gnus-button-handle-info-url (url)
6512 "Fetch an info URL."
6513 (setq url (mm-subst-char-in-string ?+ ?\ url))
6515 ((string-match "^\\([^:/]+\\)?/\\(.*\\)" url)
6516 (gnus-info-find-node
6517 (concat "(" (or (gnus-url-unhex-string (match-string 1 url))
6519 ")" (gnus-url-unhex-string (match-string 2 url)))))
6520 ((string-match "([^)\"]+)[^\"]+" url)
6522 (gnus-replace-in-string
6523 (gnus-replace-in-string url "[\n\t ]+" " ") "\"" ""))
6524 (gnus-info-find-node url))
6525 (t (error "Can't parse %s" url))))
6527 (defun gnus-button-handle-info-url-gnome (url)
6528 "Fetch GNOME style info URL."
6529 (setq url (mm-subst-char-in-string ?_ ?\ url))
6530 (if (string-match "\\([^#]+\\)#?\\(.*\\)" url)
6531 (gnus-info-find-node
6533 (gnus-url-unhex-string
6534 (match-string 1 url))
6536 (or (gnus-url-unhex-string
6537 (match-string 2 url))
6539 (error "Can't parse %s" url)))
6541 (defun gnus-button-handle-info-url-kde (url)
6542 "Fetch KDE style info URL."
6543 (gnus-info-find-node (gnus-url-unhex-string url)))
6545 (defun gnus-button-handle-info-keystrokes (url)
6546 "Call `info' when pushing the corresponding URL button."
6547 ;; For links like `C-h i d m gnus RET', `C-h i d m CC Mode RET'.
6552 (defun gnus-button-message-id (message-id)
6554 (with-current-buffer gnus-summary-buffer
6555 (gnus-summary-refer-article message-id)))
6557 (defun gnus-button-fetch-group (address)
6558 "Fetch GROUP specified by ADDRESS."
6559 (if (not (string-match "[:/]" address))
6560 ;; This is just a simple group url.
6561 (gnus-group-read-ephemeral-group address gnus-select-method)
6564 "^\\([^:/]+\\)\\(:\\([^/]+\\)\\)?/\\([^/]+\\)\\(/\\([0-9]+\\)\\)?"
6566 (error "Can't parse %s" address)
6567 (gnus-group-read-ephemeral-group
6568 (match-string 4 address)
6569 `(nntp ,(match-string 1 address)
6570 (nntp-address ,(match-string 1 address))
6571 (nntp-port-number ,(if (match-end 3)
6572 (match-string 3 address)
6575 (and (match-end 6) (list (string-to-int (match-string 6 address))))))))
6577 (defun gnus-url-parse-query-string (query &optional downcase)
6578 (let (retval pairs cur key val)
6579 (setq pairs (split-string query "&"))
6581 (setq cur (car pairs)
6583 (if (not (string-match "=" cur))
6585 (setq key (gnus-url-unhex-string (substring cur 0 (match-beginning 0)))
6586 val (gnus-url-unhex-string (substring cur (match-end 0) nil) t))
6588 (setq key (downcase key)))
6589 (setq cur (assoc key retval))
6591 (setcdr cur (cons val (cdr cur)))
6592 (setq retval (cons (list key val) retval)))))
6595 (defun gnus-url-mailto (url)
6596 ;; Send mail to someone
6597 (when (string-match "mailto:/*\\(.*\\)" url)
6598 (setq url (substring url (match-beginning 1) nil)))
6599 (let (to args subject func)
6600 (setq args (gnus-url-parse-query-string
6601 (if (string-match "^\\?" url)
6603 (if (string-match "^\\([^?]+\\)\\?\\(.*\\)" url)
6604 (concat "to=" (match-string 1 url) "&"
6605 (match-string 2 url))
6606 (concat "to=" url)))
6608 subject (cdr-safe (assoc "subject" args)))
6611 (setq func (intern-soft (concat "message-goto-" (downcase (caar args)))))
6614 (message-position-on-field (caar args)))
6615 (insert (gnus-replace-in-string
6616 (mapconcat 'identity (reverse (cdar args)) ", ")
6618 (setq args (cdr args)))
6621 (message-goto-subject))))
6623 (defun gnus-button-embedded-url (address)
6624 "Activate ADDRESS with `browse-url'."
6625 (browse-url (gnus-strip-whitespace address)))
6627 ;;; Next/prev buttons in the article buffer.
6629 (defvar gnus-next-page-line-format "%{%(Next page...%)%}\n")
6630 (defvar gnus-prev-page-line-format "%{%(Previous page...%)%}\n")
6632 (defvar gnus-prev-page-map
6633 (let ((map (make-sparse-keymap)))
6634 (define-key map gnus-mouse-2 'gnus-button-prev-page)
6635 (define-key map "\r" 'gnus-button-prev-page)
6638 (defvar gnus-next-page-map
6639 (let ((map (make-sparse-keymap)))
6640 (define-key map gnus-mouse-2 'gnus-button-next-page)
6641 (define-key map "\r" 'gnus-button-next-page)
6644 (defun gnus-insert-prev-page-button ()
6646 (buffer-read-only nil))
6648 gnus-prev-page-line-format nil
6649 `(keymap ,gnus-prev-page-map
6651 gnus-callback gnus-article-button-prev-page
6652 article-type annotation))
6653 (widget-convert-button
6655 ;; Exclude a newline.
6658 :action 'gnus-button-prev-page
6659 :button-keymap gnus-prev-page-map)))
6661 (defun gnus-button-next-page (&optional args more-args)
6662 "Go to the next page."
6664 (let ((win (selected-window)))
6665 (select-window (gnus-get-buffer-window gnus-article-buffer t))
6666 (gnus-article-next-page)
6667 (select-window win)))
6669 (defun gnus-button-prev-page (&optional args more-args)
6670 "Go to the prev page."
6672 (let ((win (selected-window)))
6673 (select-window (gnus-get-buffer-window gnus-article-buffer t))
6674 (gnus-article-prev-page)
6675 (select-window win)))
6677 (defun gnus-insert-next-page-button ()
6679 (buffer-read-only nil))
6680 (gnus-eval-format gnus-next-page-line-format nil
6681 `(keymap ,gnus-next-page-map
6683 gnus-callback gnus-article-button-next-page
6684 article-type annotation))
6685 (widget-convert-button
6687 ;; Exclude a newline.
6690 :action 'gnus-button-next-page
6691 :button-keymap gnus-next-page-map)))
6693 (defun gnus-article-button-next-page (arg)
6694 "Go to the next page."
6696 (let ((win (selected-window)))
6697 (select-window (gnus-get-buffer-window gnus-article-buffer t))
6698 (gnus-article-next-page)
6699 (select-window win)))
6701 (defun gnus-article-button-prev-page (arg)
6702 "Go to the prev page."
6704 (let ((win (selected-window)))
6705 (select-window (gnus-get-buffer-window gnus-article-buffer t))
6706 (gnus-article-prev-page)
6707 (select-window win)))
6709 (defvar gnus-decode-header-methods
6710 '(mail-decode-encoded-word-region)
6711 "List of methods used to decode headers.
6713 This variable is a list of FUNCTION or (REGEXP . FUNCTION). If item
6714 is FUNCTION, FUNCTION will be apply to all newsgroups. If item is a
6715 \(REGEXP . FUNCTION), FUNCTION will be only apply to the newsgroups
6716 whose names match REGEXP.
6719 \((\"chinese\" . gnus-decode-encoded-word-region-by-guess)
6720 mail-decode-encoded-word-region
6721 (\"chinese\" . rfc1843-decode-region))
6724 (defvar gnus-decode-header-methods-cache nil)
6726 (defun gnus-multi-decode-header (start end)
6727 "Apply the functions from `gnus-encoded-word-methods' that match."
6728 (unless (and gnus-decode-header-methods-cache
6729 (eq gnus-newsgroup-name
6730 (car gnus-decode-header-methods-cache)))
6731 (setq gnus-decode-header-methods-cache (list gnus-newsgroup-name))
6734 (nconc gnus-decode-header-methods-cache (list x))
6735 (if (and gnus-newsgroup-name
6736 (string-match (car x) gnus-newsgroup-name))
6737 (nconc gnus-decode-header-methods-cache
6739 gnus-decode-header-methods))
6740 (let ((xlist gnus-decode-header-methods-cache))
6743 (narrow-to-region start end)
6745 (funcall (pop xlist) (point-min) (point-max))))))
6748 ;;; Treatment top-level handling.
6751 (defun gnus-treat-article (condition &optional part-number total-parts type)
6752 (let ((length (- (point-max) (point-min)))
6753 (alist gnus-treatment-function-alist)
6754 (article-goto-body-goes-to-point-min-p t)
6758 (let ((list gnus-article-treat-types))
6760 (when (string-match (pop list) type)
6761 (throw 'found t)))))))
6762 (highlightp (gnus-visual-p 'article-highlight 'highlight))
6764 (gnus-run-hooks 'gnus-part-display-hook)
6765 (dolist (elem alist)
6768 (when (gnus-buffer-live-p gnus-summary-buffer)
6769 (set-buffer gnus-summary-buffer))
6770 (symbol-value (car elem))))
6771 (when (and (or (consp val)
6773 (gnus-treat-predicate val)
6774 (or (not (get (car elem) 'highlight))
6777 (funcall (cadr elem)))))))
6779 ;; Dynamic variables.
6781 (defvar part-number)
6782 (defvar total-parts)
6787 (defun gnus-treat-predicate (val)
6794 (stringp (car val)))
6795 (apply 'gnus-or (mapcar `(lambda (s)
6796 (string-match s ,(or gnus-newsgroup-name "")))
6799 (let ((pred (pop val)))
6802 (apply 'gnus-or (mapcar 'gnus-treat-predicate val)))
6804 (apply 'gnus-and (mapcar 'gnus-treat-predicate val)))
6806 (not (gnus-treat-predicate (car val))))
6808 (equal (car val) type))
6810 (error "%S is not a valid predicate" pred)))))
6816 (eq part-number total-parts))
6820 (error "%S is not a valid value" val))))
6822 (defun gnus-article-encrypt-body (protocol &optional n)
6823 "Encrypt the article body."
6826 (or gnus-article-encrypt-protocol
6827 (completing-read "Encrypt protocol: "
6828 gnus-article-encrypt-protocol-alist
6830 current-prefix-arg))
6831 (let ((func (cdr (assoc protocol gnus-article-encrypt-protocol-alist))))
6833 (error (format "Can't find the encrypt protocol %s" protocol)))
6834 (if (member gnus-newsgroup-name '("nndraft:delayed"
6837 (error "Can't encrypt the article in group %s"
6838 gnus-newsgroup-name))
6839 (gnus-summary-iterate n
6841 (set-buffer gnus-summary-buffer)
6842 (let ((mail-parse-charset gnus-newsgroup-charset)
6843 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets)
6844 (summary-buffer gnus-summary-buffer)
6846 (gnus-set-global-variables)
6847 (when (gnus-group-read-only-p)
6848 (error "The current newsgroup does not support article encrypt"))
6849 (gnus-summary-show-article t)
6851 (or (mail-header-references gnus-current-headers) ""))
6852 (set-buffer gnus-article-buffer)
6853 (let* ((buffer-read-only nil)
6855 (mapcar (lambda (field)
6856 (and (save-restriction
6857 (message-narrow-to-head)
6858 (goto-char (point-min))
6859 (search-forward field nil t))
6861 (message-narrow-to-field)
6863 (delete-region (point-min) (point-max))
6865 '("Content-Type:" "Content-Transfer-Encoding:"
6866 "Content-Disposition:"))))
6867 (message-narrow-to-head)
6868 (message-remove-header "MIME-Version")
6869 (goto-char (point-max))
6870 (setq point (point))
6871 (insert (apply 'concat headers))
6873 (narrow-to-region point (point-max))
6874 (let ((message-options message-options))
6875 (message-options-set 'message-sender user-mail-address)
6876 (message-options-set 'message-recipients user-mail-address)
6877 (message-options-set 'message-sign-encrypt 'not)
6879 (goto-char (point-min))
6880 (insert "MIME-Version: 1.0\n")
6882 (gnus-summary-edit-article-done
6883 references nil summary-buffer t))
6884 (when gnus-keep-backlog
6885 (gnus-backlog-remove-article
6886 (car gnus-article-current) (cdr gnus-article-current)))
6888 (when (get-buffer gnus-original-article-buffer)
6889 (set-buffer gnus-original-article-buffer)
6890 (setq gnus-original-article nil)))
6891 (when gnus-use-cache
6892 (gnus-cache-update-article
6893 (car gnus-article-current) (cdr gnus-article-current))))))))
6895 (defvar gnus-mime-security-button-line-format "%{%([[%t:%i]%D]%)%}\n"
6896 "The following specs can be used:
6897 %t The security MIME type
6900 %D Details if button is pressed")
6902 (defvar gnus-mime-security-button-end-line-format "%{%([[End of %t]%D]%)%}\n"
6903 "The following specs can be used:
6904 %t The security MIME type
6907 %D Details if button is pressed")
6909 (defvar gnus-mime-security-button-line-format-alist
6910 '((?t gnus-tmp-type ?s)
6911 (?i gnus-tmp-info ?s)
6912 (?d gnus-tmp-details ?s)
6913 (?D gnus-tmp-pressed-details ?s)))
6915 (defvar gnus-mime-security-button-map
6916 (let ((map (make-sparse-keymap)))
6917 (define-key map gnus-mouse-2 'gnus-article-push-button)
6918 (define-key map "\r" 'gnus-article-press-button)
6921 (defvar gnus-mime-security-details-buffer nil)
6923 (defvar gnus-mime-security-button-pressed nil)
6925 (defvar gnus-mime-security-show-details-inline t
6926 "If non-nil, show details in the article buffer.")
6928 (defun gnus-mime-security-verify-or-decrypt (handle)
6929 (mm-remove-parts (cdr handle))
6930 (let ((region (mm-handle-multipart-ctl-parameter handle 'gnus-region))
6931 point buffer-read-only)
6933 (goto-char (car region)))
6935 (narrow-to-region (point) (point))
6936 (with-current-buffer (mm-handle-multipart-original-buffer handle)
6937 (let* ((mm-verify-option 'known)
6938 (mm-decrypt-option 'known)
6939 (nparts (mm-possibly-verify-or-decrypt (cdr handle) handle)))
6940 (unless (eq nparts (cdr handle))
6941 (mm-destroy-parts (cdr handle))
6942 (setcdr handle nparts))))
6943 (setq point (point))
6944 (gnus-mime-display-security handle)
6945 (goto-char (point-max)))
6947 (delete-region (point) (cdr region))
6948 (set-marker (car region) nil)
6949 (set-marker (cdr region) nil))
6952 (defun gnus-mime-security-show-details (handle)
6953 (let ((details (mm-handle-multipart-ctl-parameter handle 'gnus-details)))
6955 (gnus-message 5 "No details.")
6956 (if gnus-mime-security-show-details-inline
6957 (let ((gnus-mime-security-button-pressed
6958 (not (get-text-property (point) 'gnus-mime-details)))
6959 (gnus-mime-security-button-line-format
6960 (get-text-property (point) 'gnus-line-format))
6963 (while (eq (get-text-property (point) 'gnus-line-format)
6964 gnus-mime-security-button-line-format)
6968 (narrow-to-region (point) (point))
6969 (gnus-insert-mime-security-button handle))
6970 (delete-region (point)
6971 (or (text-property-not-all
6974 gnus-mime-security-button-line-format)
6977 (if (gnus-buffer-live-p gnus-mime-security-details-buffer)
6978 (with-current-buffer gnus-mime-security-details-buffer
6981 (setq gnus-mime-security-details-buffer
6982 (gnus-get-buffer-create "*MIME Security Details*")))
6983 (with-current-buffer gnus-mime-security-details-buffer
6985 (goto-char (point-min)))
6986 (pop-to-buffer gnus-mime-security-details-buffer)))))
6988 (defun gnus-mime-security-press-button (handle)
6990 (if (mm-handle-multipart-ctl-parameter handle 'gnus-info)
6991 (gnus-mime-security-show-details handle)
6992 (gnus-mime-security-verify-or-decrypt handle))))
6994 (defun gnus-insert-mime-security-button (handle &optional displayed)
6995 (let* ((protocol (mm-handle-multipart-ctl-parameter handle 'protocol))
6998 (or (nth 2 (assoc protocol mm-verify-function-alist))
6999 (nth 2 (assoc protocol mm-decrypt-function-alist))
7001 (if (equal (car handle) "multipart/signed")
7002 " Signed" " Encrypted")
7005 (or (mm-handle-multipart-ctl-parameter handle 'gnus-info)
7008 (mm-handle-multipart-ctl-parameter handle 'gnus-details))
7009 gnus-tmp-pressed-details
7011 (setq gnus-tmp-details
7012 (if gnus-tmp-details
7013 (concat "\n" gnus-tmp-details)
7015 (setq gnus-tmp-pressed-details
7016 (if gnus-mime-security-button-pressed gnus-tmp-details ""))
7021 gnus-mime-security-button-line-format
7022 gnus-mime-security-button-line-format-alist
7023 `(keymap ,gnus-mime-security-button-map
7024 gnus-callback gnus-mime-security-press-button
7025 gnus-line-format ,gnus-mime-security-button-line-format
7026 gnus-mime-details ,gnus-mime-security-button-pressed
7027 article-type annotation
7030 ;; Exclude a newline.
7033 (widget-convert-button
7036 :action 'gnus-widget-press-button
7037 :button-keymap gnus-mime-security-button-map
7039 (lambda (widget/window &optional overlay pos)
7040 ;; Needed to properly clear the message due to a bug in
7041 ;; wid-edit (XEmacs only).
7042 (when (boundp 'help-echo-owns-message)
7043 (setq help-echo-owns-message t))
7046 (aref gnus-mouse-2 0))))))
7048 (defun gnus-mime-display-security (handle)
7050 (narrow-to-region (point) (point))
7051 (unless (gnus-unbuttonized-mime-type-p (car handle))
7052 (gnus-insert-mime-security-button handle))
7053 (gnus-mime-display-mixed (cdr handle))
7056 (unless (gnus-unbuttonized-mime-type-p (car handle))
7057 (let ((gnus-mime-security-button-line-format
7058 gnus-mime-security-button-end-line-format))
7059 (gnus-insert-mime-security-button handle)))
7060 (mm-set-handle-multipart-parameter
7062 (cons (set-marker (make-marker) (point-min))
7063 (set-marker (make-marker) (point-max))))))
7069 (run-hooks 'gnus-art-load-hook)
7071 ;;; gnus-art.el ends here