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'."
219 :group 'gnus-article-hiding)
221 (defcustom gnus-signature-separator '("^-- $" "^-- *$")
222 "Regexp matching signature separator.
223 This can also be a list of regexps. In that case, it will be checked
224 from head to tail looking for a separator. Searches will be done from
225 the end of the buffer."
226 :type '(repeat string)
227 :group 'gnus-article-signature)
229 (defcustom gnus-signature-limit nil
230 "Provide a limit to what is considered a signature.
231 If it is a number, no signature may not be longer (in characters) than
232 that number. If it is a floating point number, no signature may be
233 longer (in lines) than that number. If it is a function, the function
234 will be called without any parameters, and if it returns nil, there is
235 no signature in the buffer. If it is a string, it will be used as a
236 regexp. If it matches, the text in question is not a signature.
238 This can also be a list of the above values."
239 :type '(choice (integer :value 200)
241 (function :value fun)
242 (regexp :value ".*"))
243 :group 'gnus-article-signature)
245 (defcustom gnus-hidden-properties '(invisible t intangible t)
246 "Property list to use for hiding text."
248 :group 'gnus-article-hiding)
250 ;; Fixme: This isn't the right thing for mixed graphical and non-graphical
251 ;; frames in a session.
252 (defcustom gnus-article-x-face-command
253 (if (featurep 'xemacs)
254 (if (or (gnus-image-type-available-p 'xface)
255 (gnus-image-type-available-p 'pbm))
256 'gnus-display-x-face-in-from
257 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | ee -")
258 (if (gnus-image-type-available-p 'pbm)
259 'gnus-display-x-face-in-from
260 "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | \
262 "*String or function to be executed to display an X-Face header.
263 If it is a string, the command will be executed in a sub-shell
264 asynchronously. The compressed face will be piped to this command."
265 :type `(choice string
266 (function-item gnus-display-x-face-in-from)
270 :group 'gnus-article-washing)
272 (defcustom gnus-article-x-face-too-ugly nil
273 "Regexp matching posters whose face shouldn't be shown automatically."
274 :type '(choice regexp (const nil))
275 :group 'gnus-article-washing)
277 (defcustom gnus-article-banner-alist nil
278 "Banner alist for stripping.
280 ((egroups . \"^[ \\t\\n]*-------------------+\\\\( \\\\(e\\\\|Yahoo! \\\\)Groups Sponsor -+\\\\)?....\\n\\\\(.+\\n\\\\)+\"))"
282 :type '(repeat (cons symbol regexp))
283 :group 'gnus-article-washing)
285 (gnus-define-group-parameter
288 "Alist of regexps (to match group names) and banner."
289 :variable-group gnus-article-washing
291 '(choice :tag "Banner"
293 (const :tag "Remove signature" signature)
294 (symbol :tag "Item in `gnus-article-banner-alist'" none)
296 (const :tag "None" nil))
298 "If non-nil, specify how to remove `banners' from articles.
300 Symbol `signature' means to remove signatures delimited by
301 `gnus-signature-separator'. Any other symbol is used to look up a
302 regular expression to match the banner in `gnus-article-banner-alist'.
303 A string is used as a regular expression to match the banner
306 (defcustom gnus-article-address-banner-alist nil
307 "Alist of mail addresses and banners.
308 Each element has the form (ADDRESS . BANNER), where ADDRESS is a regexp
309 to match a mail address in the From: header, BANNER is one of a symbol
310 `signature', an item in `gnus-article-banner-alist', a regexp and nil.
311 If ADDRESS matches author's mail address, it will remove things like
312 advertisements. For example:
314 \((\"@yoo-hoo\\\\.co\\\\.jp\\\\'\" . \"\\n_+\\nDo You Yoo-hoo!\\\\?\\n.*\\n.*\\n\"))
318 (regexp :tag "Address")
319 (choice :tag "Banner" :value nil
320 (const :tag "Remove signature" signature)
321 (symbol :tag "Item in `gnus-article-banner-alist'" none)
323 (const :tag "None" nil))))
324 :group 'gnus-article-washing)
326 (defcustom gnus-emphasis-alist
328 "\\(\\s-\\|^\\|\\=\\|[-\"]\\|\\s(\\)\\(%s\\(\\w+\\(\\s-+\\w+\\)*[.,]?\\)%s\\)\\(\\([-,.;:!?\"]\\|\\s)\\)+\\s-\\|[?!.]\\s-\\|\\s)\\|\\s-\\)")
333 ("_/" "/_" underline-italic)
334 ("_\\*" "\\*_" underline-bold)
335 ("\\*/" "/\\*" bold-italic)
336 ("_\\*/" "/\\*_" underline-bold-italic))))
340 (format format (car spec) (cadr spec))
341 2 3 (intern (format "gnus-emphasis-%s" (nth 2 spec)))))
343 ("\\(\\s-\\|^\\)\\(_\\(\\(\\w\\|_[^_]\\)+\\)_\\)\\(\\s-\\|[?!.,;]\\)"
344 2 3 gnus-emphasis-underline)))
345 "*Alist that says how to fontify certain phrases.
346 Each item looks like this:
348 (\"_\\\\(\\\\w+\\\\)_\" 0 1 'underline)
350 The first element is a regular expression to be matched. The second
351 is a number that says what regular expression grouping used to find
352 the entire emphasized word. The third is a number that says what
353 regexp grouping should be displayed and highlighted. The fourth
354 is the face used for highlighting."
355 :type '(repeat (list :value ("" 0 0 default)
357 (integer :tag "Match group")
358 (integer :tag "Emphasize group")
360 :group 'gnus-article-emphasis)
362 (defcustom gnus-emphasize-whitespace-regexp "^[ \t]+\\|[ \t]*\n"
363 "A regexp to describe whitespace which should not be emphasized.
364 Typical values are \"^[ \\t]+\\\\|[ \\t]*\\n\" and \"[ \\t]+\\\\|[ \\t]*\\n\".
365 The former avoids underlining of leading and trailing whitespace,
366 and the latter avoids underlining any whitespace at all."
368 :group 'gnus-article-emphasis
371 (defface gnus-emphasis-bold '((t (:bold t)))
372 "Face used for displaying strong emphasized text (*word*)."
373 :group 'gnus-article-emphasis)
375 (defface gnus-emphasis-italic '((t (:italic t)))
376 "Face used for displaying italic emphasized text (/word/)."
377 :group 'gnus-article-emphasis)
379 (defface gnus-emphasis-underline '((t (:underline t)))
380 "Face used for displaying underlined emphasized text (_word_)."
381 :group 'gnus-article-emphasis)
383 (defface gnus-emphasis-underline-bold '((t (:bold t :underline t)))
384 "Face used for displaying underlined bold emphasized text (_*word*_)."
385 :group 'gnus-article-emphasis)
387 (defface gnus-emphasis-underline-italic '((t (:italic t :underline t)))
388 "Face used for displaying underlined italic emphasized text (_/word/_)."
389 :group 'gnus-article-emphasis)
391 (defface gnus-emphasis-bold-italic '((t (:bold t :italic t)))
392 "Face used for displaying bold italic emphasized text (/*word*/)."
393 :group 'gnus-article-emphasis)
395 (defface gnus-emphasis-underline-bold-italic
396 '((t (:bold t :italic t :underline t)))
397 "Face used for displaying underlined bold italic emphasized text.
398 Example: (_/*word*/_)."
399 :group 'gnus-article-emphasis)
401 (defface gnus-emphasis-strikethru (if (featurep 'xemacs)
402 '((t (:strikethru t)))
403 '((t (:strike-through t))))
404 "Face used for displaying strike-through text (-word-)."
405 :group 'gnus-article-emphasis)
407 (defface gnus-emphasis-highlight-words
408 '((t (:background "black" :foreground "yellow")))
409 "Face used for displaying highlighted words."
410 :group 'gnus-article-emphasis)
412 (defcustom gnus-article-time-format "%a, %d %b %Y %T %Z"
413 "Format for display of Date headers in article bodies.
414 See `format-time-string' for the possible values.
416 The variable can also be function, which should return a complete Date
417 header. The function is called with one argument, the time, which can
418 be fed to `format-time-string'."
419 :type '(choice string function)
420 :link '(custom-manual "(gnus)Article Date")
421 :group 'gnus-article-washing)
424 (autoload 'mail-extract-address-components "mail-extr"))
426 (defcustom gnus-save-all-headers t
427 "*If non-nil, don't remove any headers before saving."
428 :group 'gnus-article-saving
431 (defcustom gnus-prompt-before-saving 'always
432 "*This variable says how much prompting is to be done when saving articles.
433 If it is nil, no prompting will be done, and the articles will be
434 saved to the default files. If this variable is `always', each and
435 every article that is saved will be preceded by a prompt, even when
436 saving large batches of articles. If this variable is neither nil not
437 `always', there the user will be prompted once for a file name for
438 each invocation of the saving commands."
439 :group 'gnus-article-saving
440 :type '(choice (item always)
441 (item :tag "never" nil)
442 (sexp :tag "once" :format "%t\n" :value t)))
444 (defcustom gnus-saved-headers gnus-visible-headers
445 "Headers to keep if `gnus-save-all-headers' is nil.
446 If `gnus-save-all-headers' is non-nil, this variable will be ignored.
447 If that variable is nil, however, all headers that match this regexp
448 will be kept while the rest will be deleted before saving."
449 :group 'gnus-article-saving
452 (defcustom gnus-default-article-saver 'gnus-summary-save-in-rmail
453 "A function to save articles in your favourite format.
454 The function must be interactively callable (in other words, it must
455 be an Emacs command).
457 Gnus provides the following functions:
459 * gnus-summary-save-in-rmail (Rmail format)
460 * gnus-summary-save-in-mail (Unix mail format)
461 * gnus-summary-save-in-folder (MH folder)
462 * gnus-summary-save-in-file (article format)
463 * gnus-summary-save-body-in-file (article body)
464 * gnus-summary-save-in-vm (use VM's folder format)
465 * gnus-summary-write-to-file (article format -- overwrite)."
466 :group 'gnus-article-saving
467 :type '(radio (function-item gnus-summary-save-in-rmail)
468 (function-item gnus-summary-save-in-mail)
469 (function-item gnus-summary-save-in-folder)
470 (function-item gnus-summary-save-in-file)
471 (function-item gnus-summary-save-body-in-file)
472 (function-item gnus-summary-save-in-vm)
473 (function-item gnus-summary-write-to-file)))
475 (defcustom gnus-rmail-save-name 'gnus-plain-save-name
476 "A function generating a file name to save articles in Rmail format.
477 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
478 :group 'gnus-article-saving
481 (defcustom gnus-mail-save-name 'gnus-plain-save-name
482 "A function generating a file name to save articles in Unix mail format.
483 The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
484 :group 'gnus-article-saving
487 (defcustom gnus-folder-save-name 'gnus-folder-save-name
488 "A function generating a file name to save articles in MH folder.
489 The function is called with NEWSGROUP, HEADERS, and optional LAST-FOLDER."
490 :group 'gnus-article-saving
493 (defcustom gnus-file-save-name 'gnus-numeric-save-name
494 "A function generating a file name to save articles in article format.
495 The function is called with NEWSGROUP, HEADERS, and optional
497 :group 'gnus-article-saving
500 (defcustom gnus-split-methods
501 '((gnus-article-archive-name)
502 (gnus-article-nndoc-name))
503 "*Variable used to suggest where articles are to be saved.
504 For instance, if you would like to save articles related to Gnus in
505 the file \"gnus-stuff\", and articles related to VM in \"vm-stuff\",
506 you could set this variable to something like:
508 '((\"^Subject:.*gnus\\|^Newsgroups:.*gnus\" \"gnus-stuff\")
509 (\"^Subject:.*vm\\|^Xref:.*vm\" \"vm-stuff\"))
511 This variable is an alist where the where the key is the match and the
512 value is a list of possible files to save in if the match is non-nil.
514 If the match is a string, it is used as a regexp match on the
515 article. If the match is a symbol, that symbol will be funcalled
516 from the buffer of the article to be saved with the newsgroup as the
517 parameter. If it is a list, it will be evaled in the same buffer.
519 If this form or function returns a string, this string will be used as
520 a possible file name; and if it returns a non-nil list, that list will
521 be used as possible file names."
522 :group 'gnus-article-saving
523 :type '(repeat (choice (list :value (fun) function)
524 (cons :value ("" "") regexp (repeat string))
527 (defcustom gnus-page-delimiter "^\^L"
528 "*Regexp describing what to use as article page delimiters.
529 The default value is \"^\^L\", which is a form linefeed at the
530 beginning of a line."
532 :group 'gnus-article-various)
534 (defcustom gnus-article-mode-line-format "Gnus: %g [%w] %S%m"
535 "*The format specification for the article mode line.
536 See `gnus-summary-mode-line-format' for a closer description.
538 The following additional specs are available:
540 %w The article washing status.
541 %m The number of MIME parts in the article."
543 :group 'gnus-article-various)
545 (defcustom gnus-article-mode-hook nil
546 "*A hook for Gnus article mode."
548 :group 'gnus-article-various)
550 (when (featurep 'xemacs)
551 ;; Extracted from gnus-xmas-define in order to preserve user settings
552 (when (fboundp 'turn-off-scroll-in-place)
553 (add-hook 'gnus-article-mode-hook 'turn-off-scroll-in-place))
554 ;; Extracted from gnus-xmas-redefine in order to preserve user settings
555 (add-hook 'gnus-article-mode-hook 'gnus-xmas-article-menu-add))
557 (defcustom gnus-article-menu-hook nil
558 "*Hook run after the creation of the article mode menu."
560 :group 'gnus-article-various)
562 (defcustom gnus-article-prepare-hook nil
563 "*A hook called after an article has been prepared in the article buffer."
565 :group 'gnus-article-various)
567 (defcustom gnus-copy-article-ignored-headers '("Xref")
568 "List of headers to be removed when copying an article.
569 Each element is a regular expression."
570 :version "22.0" ;; No Gnus
571 :type '(choice :custom-show nil
574 :group 'gnus-article-various)
576 (make-obsolete-variable 'gnus-article-hide-pgp-hook
577 "This variable is obsolete in Gnus 5.10.")
579 (defcustom gnus-article-button-face 'bold
580 "Face used for highlighting buttons in the article buffer.
582 An article button is a piece of text that you can activate by pressing
583 `RET' or `mouse-2' above it."
585 :group 'gnus-article-buttons)
587 (defcustom gnus-article-mouse-face 'highlight
588 "Face used for mouse highlighting in the article buffer.
590 Article buttons will be displayed in this face when the cursor is
593 :group 'gnus-article-buttons)
595 (defcustom gnus-signature-face 'gnus-signature-face
596 "Face used for highlighting a signature in the article buffer.
597 Obsolete; use the face `gnus-signature-face' for customizations instead."
599 :group 'gnus-article-highlight
600 :group 'gnus-article-signature)
602 (defface gnus-signature-face
605 "Face used for highlighting a signature in the article buffer."
606 :group 'gnus-article-highlight
607 :group 'gnus-article-signature)
609 (defface gnus-header-from-face
612 (:foreground "spring green"))
615 (:foreground "red3"))
618 "Face used for displaying from headers."
619 :group 'gnus-article-headers
620 :group 'gnus-article-highlight)
622 (defface gnus-header-subject-face
625 (:foreground "SeaGreen3"))
628 (:foreground "red4"))
630 (:bold t :italic t)))
631 "Face used for displaying subject headers."
632 :group 'gnus-article-headers
633 :group 'gnus-article-highlight)
635 (defface gnus-header-newsgroups-face
638 (:foreground "yellow" :italic t))
641 (:foreground "MidnightBlue" :italic t))
644 "Face used for displaying newsgroups headers.
645 In the default setup this face is only used for crossposted
647 :group 'gnus-article-headers
648 :group 'gnus-article-highlight)
650 (defface gnus-header-name-face
653 (:foreground "SeaGreen"))
656 (:foreground "maroon"))
659 "Face used for displaying header names."
660 :group 'gnus-article-headers
661 :group 'gnus-article-highlight)
663 (defface gnus-header-content-face
666 (:foreground "forest green" :italic t))
669 (:foreground "indianred4" :italic t))
671 (:italic t))) "Face used for displaying header content."
672 :group 'gnus-article-headers
673 :group 'gnus-article-highlight)
675 (defcustom gnus-header-face-alist
676 '(("From" nil gnus-header-from-face)
677 ("Subject" nil gnus-header-subject-face)
678 ("Newsgroups:.*," nil gnus-header-newsgroups-face)
679 ("" gnus-header-name-face gnus-header-content-face))
680 "*Controls highlighting of article headers.
682 An alist of the form (HEADER NAME CONTENT).
684 HEADER is a regular expression which should match the name of a
685 header and NAME and CONTENT are either face names or nil.
687 The name of each header field will be displayed using the face
688 specified by the first element in the list where HEADER matches
689 the header name and NAME is non-nil. Similarly, the content will
690 be displayed by the first non-nil matching CONTENT face."
691 :group 'gnus-article-headers
692 :group 'gnus-article-highlight
693 :type '(repeat (list (regexp :tag "Header")
695 (item :tag "skip" nil)
696 (face :value default))
697 (choice :tag "Content"
698 (item :tag "skip" nil)
699 (face :value default)))))
701 (defcustom gnus-article-decode-hook
702 '(article-decode-charset article-decode-encoded-words
703 article-decode-group-name article-decode-idna-rhs)
704 "*Hook run to decode charsets in articles."
705 :group 'gnus-article-headers
708 (defcustom gnus-display-mime-function 'gnus-display-mime
709 "Function to display MIME articles."
710 :group 'gnus-article-mime
713 (defvar gnus-decode-header-function 'mail-decode-encoded-word-region
714 "Function used to decode headers.")
716 (defvar gnus-article-dumbquotes-map
736 "Table for MS-to-Latin1 translation.")
738 (defcustom gnus-ignored-mime-types nil
739 "List of MIME types that should be ignored by Gnus."
741 :group 'gnus-article-mime
742 :type '(repeat regexp))
744 (defcustom gnus-unbuttonized-mime-types '(".*/.*")
745 "List of MIME types that should not be given buttons when rendered inline.
746 See also `gnus-buttonized-mime-types' which may override this variable.
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-buttonized-mime-types nil
753 "List of MIME types that should be given buttons when rendered inline.
754 If set, this variable overrides `gnus-unbuttonized-mime-types'.
755 To see e.g. security buttons you could set this to
756 `(\"multipart/signed\")'.
757 This variable is only used when `gnus-inhibit-mime-unbuttonizing' is nil."
759 :group 'gnus-article-mime
760 :type '(repeat regexp))
762 (defcustom gnus-inhibit-mime-unbuttonizing nil
763 "If non-nil, all MIME parts get buttons.
764 When nil (the default value), then some MIME parts do not get buttons,
765 as described by the variables `gnus-buttonized-mime-types' and
766 `gnus-unbuttonized-mime-types'."
768 :group 'gnus-article-mime
771 (defcustom gnus-body-boundary-delimiter "_"
772 "String used to delimit header and body.
773 This variable is used by `gnus-article-treat-body-boundary' which can
774 be controlled by `gnus-treat-body-boundary'."
776 :group 'gnus-article-various
777 :type '(choice (item :tag "None" :value nil)
780 (defcustom gnus-picon-databases '("/usr/lib/picon" "/usr/local/faces"
782 "Defines the location of the faces database.
783 For information on obtaining this database of pretty pictures, please
784 see http://www.cs.indiana.edu/picons/ftp/index.html"
786 :type '(repeat directory)
787 :link '(url-link :tag "download"
788 "http://www.cs.indiana.edu/picons/ftp/index.html")
789 :link '(custom-manual "(gnus)Picons")
792 (defun gnus-picons-installed-p ()
793 "Say whether picons are installed on your machine."
794 (let ((installed nil))
795 (dolist (database gnus-picon-databases)
796 (when (file-exists-p database)
800 (defcustom gnus-article-mime-part-function nil
801 "Function called with a MIME handle as the argument.
802 This is meant for people who want to do something automatic based
803 on parts -- for instance, adding Vcard info to a database."
804 :group 'gnus-article-mime
807 (defcustom gnus-mime-multipart-functions nil
808 "An alist of MIME types to functions to display them."
810 :group 'gnus-article-mime
811 :type '(repeat (cons :format "%v" (string :tag "MIME type") function)))
813 (defcustom gnus-article-date-lapsed-new-header nil
814 "Whether the X-Sent and Date headers can coexist.
815 When using `gnus-treat-date-lapsed', the \"X-Sent:\" header will
816 either replace the old \"Date:\" header (if this variable is nil), or
817 be added below it (otherwise)."
819 :group 'gnus-article-headers
822 (defcustom gnus-article-mime-match-handle-function 'undisplayed-alternative
823 "Function called with a MIME handle as the argument.
824 This is meant for people who want to view first matched part.
825 For `undisplayed-alternative' (default), the first undisplayed
826 part or alternative part is used. For `undisplayed', the first
827 undisplayed part is used. For a function, the first part which
828 the function return t is used. For nil, the first part is
831 :group 'gnus-article-mime
833 (item :tag "first" :value nil)
834 (item :tag "undisplayed" :value undisplayed)
835 (item :tag "undisplayed or alternative"
836 :value undisplayed-alternative)
839 (defcustom gnus-mime-action-alist
840 '(("save to file" . gnus-mime-save-part)
841 ("save and strip" . gnus-mime-save-part-and-strip)
842 ("delete part" . gnus-mime-delete-part)
843 ("display as text" . gnus-mime-inline-part)
844 ("view the part" . gnus-mime-view-part)
845 ("pipe to command" . gnus-mime-pipe-part)
846 ("toggle display" . gnus-article-press-button)
847 ("toggle display" . gnus-article-view-part-as-charset)
848 ("view as type" . gnus-mime-view-part-as-type)
849 ("view internally" . gnus-mime-view-part-internally)
850 ("view externally" . gnus-mime-view-part-externally))
851 "An alist of actions that run on the MIME attachment."
852 :group 'gnus-article-mime
853 :type '(repeat (cons (string :tag "name")
857 ;;; The treatment variables
860 (defvar gnus-part-display-hook nil
861 "Hook called on parts that are to receive treatment.")
863 (defvar gnus-article-treat-custom
864 '(choice (const :tag "Off" nil)
866 (const :tag "Header" head)
867 (const :tag "Last" last)
868 (integer :tag "Less")
869 (repeat :tag "Groups" regexp)
870 (sexp :tag "Predicate")))
872 (defvar gnus-article-treat-head-custom
873 '(choice (const :tag "Off" nil)
874 (const :tag "Header" head)))
876 (defvar gnus-article-treat-types '("text/plain")
879 (defvar gnus-inhibit-treatment nil
880 "Whether to inhibit treatment.")
882 (defcustom gnus-treat-highlight-signature '(or t (typep "text/x-vcard"))
883 "Highlight the signature.
884 Valid values are nil, t, `head', `last', an integer or a predicate.
885 See Info node `(gnus)Customizing Articles'."
886 :group 'gnus-article-treat
887 :link '(custom-manual "(gnus)Customizing Articles")
888 :type gnus-article-treat-custom)
889 (put 'gnus-treat-highlight-signature 'highlight t)
891 (defcustom gnus-treat-buttonize 100000
893 Valid values are nil, t, `head', `last', an integer or a predicate.
894 See Info node `(gnus)Customizing Articles'."
895 :group 'gnus-article-treat
896 :link '(custom-manual "(gnus)Customizing Articles")
897 :type gnus-article-treat-custom)
898 (put 'gnus-treat-buttonize 'highlight t)
900 (defcustom gnus-treat-buttonize-head 'head
901 "Add buttons to the head.
902 Valid values are nil, t, `head', `last', an integer or a predicate.
903 See Info node `(gnus)Customizing Articles' for details."
904 :group 'gnus-article-treat
905 :link '(custom-manual "(gnus)Customizing Articles")
906 :type gnus-article-treat-head-custom)
907 (put 'gnus-treat-buttonize-head 'highlight t)
909 (defcustom gnus-treat-emphasize
910 (and (or window-system
914 Valid values are nil, t, `head', `last', an integer or a predicate.
915 See Info node `(gnus)Customizing Articles' for details."
916 :group 'gnus-article-treat
917 :link '(custom-manual "(gnus)Customizing Articles")
918 :type gnus-article-treat-custom)
919 (put 'gnus-treat-emphasize 'highlight t)
921 (defcustom gnus-treat-strip-cr nil
922 "Remove carriage returns.
923 Valid values are nil, t, `head', `last', an integer or a predicate.
924 See Info node `(gnus)Customizing Articles' for details."
926 :group 'gnus-article-treat
927 :link '(custom-manual "(gnus)Customizing Articles")
928 :type gnus-article-treat-custom)
930 (defcustom gnus-treat-unsplit-urls nil
931 "Remove newlines from within URLs.
932 Valid values are nil, t, `head', `last', an integer or a predicate.
933 See Info node `(gnus)Customizing Articles' for details."
934 :group 'gnus-article-treat
935 :link '(custom-manual "(gnus)Customizing Articles")
936 :type gnus-article-treat-custom)
938 (defcustom gnus-treat-leading-whitespace nil
939 "Remove leading whitespace in headers.
940 Valid values are nil, t, `head', `last', an integer or a predicate.
941 See Info node `(gnus)Customizing Articles' for details."
943 :group 'gnus-article-treat
944 :link '(custom-manual "(gnus)Customizing Articles")
945 :type gnus-article-treat-custom)
947 (defcustom gnus-treat-hide-headers 'head
949 Valid values are nil, t, `head', `last', an integer or a predicate.
950 See Info node `(gnus)Customizing Articles' for details."
951 :group 'gnus-article-treat
952 :link '(custom-manual "(gnus)Customizing Articles")
953 :type gnus-article-treat-head-custom)
955 (defcustom gnus-treat-hide-boring-headers nil
956 "Hide boring headers.
957 Valid values are nil, t, `head', `last', an integer or a predicate.
958 See Info node `(gnus)Customizing Articles' for details."
959 :group 'gnus-article-treat
960 :link '(custom-manual "(gnus)Customizing Articles")
961 :type gnus-article-treat-head-custom)
963 (defcustom gnus-treat-hide-signature nil
965 Valid values are nil, t, `head', `last', an integer or a predicate.
966 See Info node `(gnus)Customizing Articles' for details."
967 :group 'gnus-article-treat
968 :link '(custom-manual "(gnus)Customizing Articles")
969 :type gnus-article-treat-custom)
971 (defcustom gnus-treat-fill-article nil
973 Valid values are nil, t, `head', `last', an integer or a predicate.
974 See Info node `(gnus)Customizing Articles' for details."
975 :group 'gnus-article-treat
976 :link '(custom-manual "(gnus)Customizing Articles")
977 :type gnus-article-treat-custom)
979 (defcustom gnus-treat-hide-citation nil
981 Valid values are nil, t, `head', `last', an integer or a predicate.
982 See Info node `(gnus)Customizing Articles' for details."
983 :group 'gnus-article-treat
984 :link '(custom-manual "(gnus)Customizing Articles")
985 :type gnus-article-treat-custom)
987 (defcustom gnus-treat-hide-citation-maybe nil
989 Valid values are nil, t, `head', `last', an integer or a predicate.
990 See Info node `(gnus)Customizing Articles' for details."
991 :group 'gnus-article-treat
992 :link '(custom-manual "(gnus)Customizing Articles")
993 :type gnus-article-treat-custom)
995 (defcustom gnus-treat-strip-list-identifiers 'head
996 "Strip list identifiers from `gnus-list-identifiers`.
997 Valid values are nil, t, `head', `last', an integer or a predicate.
998 See Info node `(gnus)Customizing Articles' for details."
1000 :group 'gnus-article-treat
1001 :link '(custom-manual "(gnus)Customizing Articles")
1002 :type gnus-article-treat-custom)
1004 (make-obsolete-variable 'gnus-treat-strip-pgp
1005 "This option is obsolete in Gnus 5.10.")
1007 (defcustom gnus-treat-strip-pem nil
1008 "Strip PEM signatures.
1009 Valid values are nil, t, `head', `last', an integer or a predicate.
1010 See Info node `(gnus)Customizing Articles' for details."
1011 :group 'gnus-article-treat
1012 :link '(custom-manual "(gnus)Customizing Articles")
1013 :type gnus-article-treat-custom)
1015 (defcustom gnus-treat-strip-banner t
1016 "Strip banners from articles.
1017 The banner to be stripped is specified in the `banner' group parameter.
1018 Valid values are nil, t, `head', `last', an integer or a predicate.
1019 See Info node `(gnus)Customizing Articles' for details."
1020 :group 'gnus-article-treat
1021 :link '(custom-manual "(gnus)Customizing Articles")
1022 :type gnus-article-treat-custom)
1024 (defcustom gnus-treat-highlight-headers 'head
1025 "Highlight the headers.
1026 Valid values are nil, t, `head', `last', an integer or a predicate.
1027 See Info node `(gnus)Customizing Articles' for details."
1028 :group 'gnus-article-treat
1029 :link '(custom-manual "(gnus)Customizing Articles")
1030 :type gnus-article-treat-head-custom)
1031 (put 'gnus-treat-highlight-headers 'highlight t)
1033 (defcustom gnus-treat-highlight-citation t
1034 "Highlight cited text.
1035 Valid values are nil, t, `head', `last', an integer or a predicate.
1036 See Info node `(gnus)Customizing Articles' for details."
1037 :group 'gnus-article-treat
1038 :link '(custom-manual "(gnus)Customizing Articles")
1039 :type gnus-article-treat-custom)
1040 (put 'gnus-treat-highlight-citation 'highlight t)
1042 (defcustom gnus-treat-date-ut nil
1043 "Display the Date in UT (GMT).
1044 Valid values are nil, t, `head', `last', an integer or a predicate.
1045 See Info node `(gnus)Customizing Articles' for details."
1046 :group 'gnus-article-treat
1047 :link '(custom-manual "(gnus)Customizing Articles")
1048 :type gnus-article-treat-head-custom)
1050 (defcustom gnus-treat-date-local nil
1051 "Display the Date in the local timezone.
1052 Valid values are nil, t, `head', `last', an integer or a predicate.
1053 See Info node `(gnus)Customizing Articles' for details."
1054 :group 'gnus-article-treat
1055 :link '(custom-manual "(gnus)Customizing Articles")
1056 :type gnus-article-treat-head-custom)
1058 (defcustom gnus-treat-date-english nil
1059 "Display the Date in a format that can be read aloud in English.
1060 Valid values are nil, t, `head', `last', an integer or a predicate.
1061 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-lapsed nil
1068 "Display the Date header in a way that says how much time has elapsed.
1069 Valid values are nil, t, `head', `last', an integer or a predicate.
1070 See Info node `(gnus)Customizing Articles' for details."
1071 :group 'gnus-article-treat
1072 :link '(custom-manual "(gnus)Customizing Articles")
1073 :type gnus-article-treat-head-custom)
1075 (defcustom gnus-treat-date-original nil
1076 "Display the date in the original timezone.
1077 Valid values are nil, t, `head', `last', an integer or a predicate.
1078 See Info node `(gnus)Customizing Articles' for details."
1079 :group 'gnus-article-treat
1080 :link '(custom-manual "(gnus)Customizing Articles")
1081 :type gnus-article-treat-head-custom)
1083 (defcustom gnus-treat-date-iso8601 nil
1084 "Display the date in the ISO8601 format.
1085 Valid values are nil, t, `head', `last', an integer or a predicate.
1086 See Info node `(gnus)Customizing Articles' for details."
1088 :group 'gnus-article-treat
1089 :link '(custom-manual "(gnus)Customizing Articles")
1090 :type gnus-article-treat-head-custom)
1092 (defcustom gnus-treat-date-user-defined nil
1093 "Display the date in a user-defined format.
1094 The format is defined by the `gnus-article-time-format' variable.
1095 Valid values are nil, t, `head', `last', an integer or a predicate.
1096 See Info node `(gnus)Customizing Articles' for details."
1097 :group 'gnus-article-treat
1098 :link '(custom-manual "(gnus)Customizing Articles")
1099 :type gnus-article-treat-head-custom)
1101 (defcustom gnus-treat-strip-headers-in-body t
1102 "Strip the X-No-Archive header line from the beginning of the body.
1103 Valid values are nil, t, `head', `last', an integer or a predicate.
1104 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-trailing-blank-lines nil
1111 "Strip trailing 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-strip-leading-blank-lines nil
1119 "Strip leading blank 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-strip-multiple-blank-lines nil
1127 "Strip multiple blank lines.
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-unfold-headers 'head
1135 "Unfold folded header lines.
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-fold-headers nil
1144 Valid values are nil, t, `head', `last', an integer or a predicate.
1145 See Info node `(gnus)Customizing Articles' for details."
1147 :group 'gnus-article-treat
1148 :link '(custom-manual "(gnus)Customizing Articles")
1149 :type gnus-article-treat-custom)
1151 (defcustom gnus-treat-fold-newsgroups 'head
1152 "Fold the Newsgroups and Followup-To headers.
1153 Valid values are nil, t, `head', `last', an integer or a predicate.
1154 See Info node `(gnus)Customizing Articles' for details."
1156 :group 'gnus-article-treat
1157 :link '(custom-manual "(gnus)Customizing Articles")
1158 :type gnus-article-treat-custom)
1160 (defcustom gnus-treat-overstrike t
1161 "Treat overstrike highlighting.
1162 Valid values are nil, t, `head', `last', an integer or a predicate.
1163 See Info node `(gnus)Customizing Articles' for details."
1164 :group 'gnus-article-treat
1165 :link '(custom-manual "(gnus)Customizing Articles")
1166 :type gnus-article-treat-custom)
1167 (put 'gnus-treat-overstrike 'highlight t)
1169 (defcustom gnus-treat-ansi-sequences (if (locate-library "ansi-color") t)
1170 "Treat ANSI SGR control sequences.
1171 Valid values are nil, t, `head', `last', an integer or a predicate.
1172 See Info node `(gnus)Customizing Articles' for details."
1173 :group 'gnus-article-treat
1174 :link '(custom-manual "(gnus)Customizing Articles")
1175 :type gnus-article-treat-custom)
1177 (make-obsolete-variable 'gnus-treat-display-xface
1178 'gnus-treat-display-x-face)
1180 (defcustom gnus-treat-display-x-face
1181 (and (not noninteractive)
1182 (or (and (fboundp 'image-type-available-p)
1183 (image-type-available-p 'xbm)
1184 (string-match "^0x" (shell-command-to-string "uncompface"))
1185 (executable-find "icontopbm"))
1186 (and (featurep 'xemacs)
1189 "Display X-Face headers.
1190 Valid values are nil, t, `head', `last', an integer or a predicate.
1191 See Info node `(gnus)Customizing Articles' and Info node
1192 `(gnus)X-Face' for details."
1193 :group 'gnus-article-treat
1195 :link '(custom-manual "(gnus)Customizing Articles")
1196 :link '(custom-manual "(gnus)X-Face")
1197 :type gnus-article-treat-head-custom
1198 :set (lambda (symbol value)
1201 (cond ((or (boundp symbol) (get symbol 'saved-value))
1203 ((boundp 'gnus-treat-display-xface)
1205 ** gnus-treat-display-xface is an obsolete variable;\
1206 use gnus-treat-display-x-face instead")
1207 (default-value 'gnus-treat-display-xface))
1208 ((get 'gnus-treat-display-xface 'saved-value)
1210 ** gnus-treat-display-xface is an obsolete variable;\
1211 use gnus-treat-display-x-face instead")
1212 (eval (car (get 'gnus-treat-display-xface 'saved-value))))
1215 (put 'gnus-treat-display-x-face 'highlight t)
1217 (defcustom gnus-treat-display-face
1218 (and (not noninteractive)
1219 (or (and (fboundp 'image-type-available-p)
1220 (image-type-available-p 'png))
1221 (and (featurep 'xemacs)
1224 "Display Face headers.
1225 Valid values are nil, t, `head', `last', an integer or a predicate.
1226 See Info node `(gnus)Customizing Articles' and Info node
1227 `(gnus)X-Face' for details."
1228 :group 'gnus-article-treat
1230 :link '(custom-manual "(gnus)Customizing Articles")
1231 :link '(custom-manual "(gnus)X-Face")
1232 :type gnus-article-treat-head-custom)
1233 (put 'gnus-treat-display-face 'highlight t)
1235 (defcustom gnus-treat-display-smileys
1236 (if (or (and (featurep 'xemacs)
1238 (and (fboundp 'image-type-available-p)
1239 (image-type-available-p 'pbm)))
1242 Valid values are nil, t, `head', `last', an integer or a predicate.
1243 See Info node `(gnus)Customizing Articles' and Info node
1244 `(gnus)Smileys' for details."
1245 :group 'gnus-article-treat
1247 :link '(custom-manual "(gnus)Customizing Articles")
1248 :link '(custom-manual "(gnus)Smileys")
1249 :type gnus-article-treat-custom)
1250 (put 'gnus-treat-display-smileys 'highlight t)
1252 (defcustom gnus-treat-from-picon
1253 (if (and (gnus-image-type-available-p 'xpm)
1254 (gnus-picons-installed-p))
1256 "Display picons in the From header.
1257 Valid values are nil, t, `head', `last', an integer or a predicate.
1258 See Info node `(gnus)Customizing Articles' and Info node
1259 `(gnus)Picons' for details."
1260 :group 'gnus-article-treat
1262 :link '(custom-manual "(gnus)Customizing Articles")
1263 :link '(custom-manual "(gnus)Picons")
1264 :type gnus-article-treat-head-custom)
1265 (put 'gnus-treat-from-picon 'highlight t)
1267 (defcustom gnus-treat-mail-picon
1268 (if (and (gnus-image-type-available-p 'xpm)
1269 (gnus-picons-installed-p))
1271 "Display picons in To and Cc headers.
1272 Valid values are nil, t, `head', `last', an integer or a predicate.
1273 See Info node `(gnus)Customizing Articles' and Info node
1274 `(gnus)Picons' for details."
1275 :group 'gnus-article-treat
1277 :link '(custom-manual "(gnus)Customizing Articles")
1278 :link '(custom-manual "(gnus)Picons")
1279 :type gnus-article-treat-head-custom)
1280 (put 'gnus-treat-mail-picon 'highlight t)
1282 (defcustom gnus-treat-newsgroups-picon
1283 (if (and (gnus-image-type-available-p 'xpm)
1284 (gnus-picons-installed-p))
1286 "Display picons in the Newsgroups and Followup-To headers.
1287 Valid values are nil, t, `head', `last', an integer or a predicate.
1288 See Info node `(gnus)Customizing Articles' and Info node
1289 `(gnus)Picons' for details."
1291 :group 'gnus-article-treat
1293 :link '(custom-manual "(gnus)Customizing Articles")
1294 :link '(custom-manual "(gnus)Picons")
1295 :type gnus-article-treat-head-custom)
1296 (put 'gnus-treat-newsgroups-picon 'highlight t)
1298 (defcustom gnus-treat-body-boundary
1299 (if (and (eq window-system 'x)
1300 (or gnus-treat-newsgroups-picon
1301 gnus-treat-mail-picon
1302 gnus-treat-from-picon))
1304 "Draw a boundary at the end of the headers.
1305 Valid values are nil and `head'.
1306 See Info node `(gnus)Customizing Articles' for details."
1308 :group 'gnus-article-treat
1309 :link '(custom-manual "(gnus)Customizing Articles")
1310 :type gnus-article-treat-head-custom)
1312 (defcustom gnus-treat-capitalize-sentences nil
1313 "Capitalize sentence-starting words.
1314 Valid values are nil, t, `head', `last', an integer or a predicate.
1315 See Info node `(gnus)Customizing Articles' for details."
1317 :group 'gnus-article-treat
1318 :link '(custom-manual "(gnus)Customizing Articles")
1319 :type gnus-article-treat-custom)
1321 (defcustom gnus-treat-wash-html nil
1323 Valid values are nil, t, `head', `last', an integer or a predicate.
1324 See Info node `(gnus)Customizing Articles' for details."
1326 :group 'gnus-article-treat
1327 :link '(custom-manual "(gnus)Customizing Articles")
1328 :type gnus-article-treat-custom)
1330 (defcustom gnus-treat-fill-long-lines nil
1332 Valid values are nil, t, `head', `last', an integer or a predicate.
1333 See Info node `(gnus)Customizing Articles' for details."
1334 :group 'gnus-article-treat
1335 :link '(custom-manual "(gnus)Customizing Articles")
1336 :type gnus-article-treat-custom)
1338 (defcustom gnus-treat-play-sounds nil
1340 Valid values are nil, t, `head', `last', an integer or a predicate.
1341 See Info node `(gnus)Customizing Articles' for details."
1343 :group 'gnus-article-treat
1344 :link '(custom-manual "(gnus)Customizing Articles")
1345 :type gnus-article-treat-custom)
1347 (defcustom gnus-treat-translate nil
1348 "Translate articles from one language to another.
1349 Valid values are nil, t, `head', `last', an integer or a predicate.
1350 See Info node `(gnus)Customizing Articles' for details."
1352 :group 'gnus-article-treat
1353 :link '(custom-manual "(gnus)Customizing Articles")
1354 :type gnus-article-treat-custom)
1356 (defcustom gnus-treat-x-pgp-sig nil
1358 To automatically treat X-PGP-Sig, set it to head.
1359 Valid values are nil, t, `head', `last', an integer or a predicate.
1360 See Info node `(gnus)Customizing Articles' for details."
1361 :group 'gnus-article-treat
1362 :group 'mime-security
1363 :link '(custom-manual "(gnus)Customizing Articles")
1364 :type gnus-article-treat-custom)
1366 (defvar gnus-article-encrypt-protocol-alist
1367 '(("PGP" . mml2015-self-encrypt)))
1369 ;; Set to nil if more than one protocol added to
1370 ;; gnus-article-encrypt-protocol-alist.
1371 (defcustom gnus-article-encrypt-protocol "PGP"
1372 "The protocol used for encrypt articles.
1373 It is a string, such as \"PGP\". If nil, ask user."
1376 :group 'mime-security)
1378 (defvar gnus-article-wash-function nil
1379 "Function used for converting HTML into text.")
1381 (defcustom gnus-use-idna (and (condition-case nil (require 'idna) (file-error))
1382 (mm-coding-system-p 'utf-8)
1383 (executable-find idna-program))
1384 "Whether IDNA decoding of headers is used when viewing messages.
1385 This requires GNU Libidn, and by default only enabled if it is found."
1387 :group 'gnus-article-headers
1390 (defcustom gnus-article-over-scroll nil
1391 "If non-nil, allow scrolling the article buffer even when there no more text."
1393 :group 'gnus-article
1396 ;;; Internal variables
1398 (defvar gnus-english-month-names
1399 '("January" "February" "March" "April" "May" "June" "July" "August"
1400 "September" "October" "November" "December"))
1402 (defvar gnus-button-regexp nil)
1403 (defvar gnus-button-marker-list nil)
1404 ;; Regexp matching any of the regexps from `gnus-button-alist'.
1406 (defvar gnus-button-last nil)
1407 ;; The value of `gnus-button-alist' when `gnus-button-regexp' was build.
1409 (defvar article-goto-body-goes-to-point-min-p nil)
1410 (defvar gnus-article-wash-types nil)
1411 (defvar gnus-article-emphasis-alist nil)
1412 (defvar gnus-article-image-alist nil)
1414 (defvar gnus-article-mime-handle-alist-1 nil)
1415 (defvar gnus-treatment-function-alist
1416 '((gnus-treat-x-pgp-sig gnus-article-verify-x-pgp-sig)
1417 (gnus-treat-strip-banner gnus-article-strip-banner)
1418 (gnus-treat-strip-headers-in-body gnus-article-strip-headers-in-body)
1419 (gnus-treat-highlight-signature gnus-article-highlight-signature)
1420 (gnus-treat-buttonize gnus-article-add-buttons)
1421 (gnus-treat-fill-article gnus-article-fill-cited-article)
1422 (gnus-treat-fill-long-lines gnus-article-fill-long-lines)
1423 (gnus-treat-strip-cr gnus-article-remove-cr)
1424 (gnus-treat-unsplit-urls gnus-article-unsplit-urls)
1425 (gnus-treat-date-ut gnus-article-date-ut)
1426 (gnus-treat-date-local gnus-article-date-local)
1427 (gnus-treat-date-english gnus-article-date-english)
1428 (gnus-treat-date-lapsed gnus-article-date-lapsed)
1429 (gnus-treat-date-original gnus-article-date-original)
1430 (gnus-treat-date-user-defined gnus-article-date-user)
1431 (gnus-treat-date-iso8601 gnus-article-date-iso8601)
1432 (gnus-treat-display-x-face gnus-article-display-x-face)
1433 (gnus-treat-display-face gnus-article-display-face)
1434 (gnus-treat-hide-headers gnus-article-maybe-hide-headers)
1435 (gnus-treat-hide-boring-headers gnus-article-hide-boring-headers)
1436 (gnus-treat-hide-signature gnus-article-hide-signature)
1437 (gnus-treat-strip-list-identifiers gnus-article-hide-list-identifiers)
1438 (gnus-treat-leading-whitespace gnus-article-remove-leading-whitespace)
1439 (gnus-treat-strip-pem gnus-article-hide-pem)
1440 (gnus-treat-from-picon gnus-treat-from-picon)
1441 (gnus-treat-mail-picon gnus-treat-mail-picon)
1442 (gnus-treat-newsgroups-picon gnus-treat-newsgroups-picon)
1443 (gnus-treat-highlight-headers gnus-article-highlight-headers)
1444 (gnus-treat-highlight-signature gnus-article-highlight-signature)
1445 (gnus-treat-strip-trailing-blank-lines
1446 gnus-article-remove-trailing-blank-lines)
1447 (gnus-treat-strip-leading-blank-lines
1448 gnus-article-strip-leading-blank-lines)
1449 (gnus-treat-strip-multiple-blank-lines
1450 gnus-article-strip-multiple-blank-lines)
1451 (gnus-treat-overstrike gnus-article-treat-overstrike)
1452 (gnus-treat-ansi-sequences gnus-article-treat-ansi-sequences)
1453 (gnus-treat-unfold-headers gnus-article-treat-unfold-headers)
1454 (gnus-treat-fold-headers gnus-article-treat-fold-headers)
1455 (gnus-treat-fold-newsgroups gnus-article-treat-fold-newsgroups)
1456 (gnus-treat-buttonize-head gnus-article-add-buttons-to-head)
1457 (gnus-treat-display-smileys gnus-treat-smiley)
1458 (gnus-treat-capitalize-sentences gnus-article-capitalize-sentences)
1459 (gnus-treat-wash-html gnus-article-wash-html)
1460 (gnus-treat-emphasize gnus-article-emphasize)
1461 (gnus-treat-hide-citation gnus-article-hide-citation)
1462 (gnus-treat-hide-citation-maybe gnus-article-hide-citation-maybe)
1463 (gnus-treat-highlight-citation gnus-article-highlight-citation)
1464 (gnus-treat-body-boundary gnus-article-treat-body-boundary)
1465 (gnus-treat-play-sounds gnus-earcon-display)))
1467 (defvar gnus-article-mime-handle-alist nil)
1468 (defvar article-lapsed-timer nil)
1469 (defvar gnus-article-current-summary nil)
1471 (defvar gnus-article-mode-syntax-table
1472 (let ((table (copy-syntax-table text-mode-syntax-table)))
1473 ;; This causes the citation match run O(2^n).
1474 ;; (modify-syntax-entry ?- "w" table)
1475 (modify-syntax-entry ?> ")<" table)
1476 (modify-syntax-entry ?< "(>" table)
1477 ;; make M-. in article buffers work for `foo' strings
1478 (modify-syntax-entry ?' " " table)
1479 (modify-syntax-entry ?` " " table)
1481 "Syntax table used in article mode buffers.
1482 Initialized from `text-mode-syntax-table.")
1484 (defvar gnus-save-article-buffer nil)
1486 (defvar gnus-article-mode-line-format-alist
1487 (nconc '((?w (gnus-article-wash-status) ?s)
1488 (?m (gnus-article-mime-part-status) ?s))
1489 gnus-summary-mode-line-format-alist))
1491 (defvar gnus-number-of-articles-to-be-saved nil)
1493 (defvar gnus-inhibit-hiding nil)
1495 (defvar gnus-article-edit-mode nil)
1497 ;;; Macros for dealing with the article buffer.
1499 (defmacro gnus-with-article-headers (&rest forms)
1501 (set-buffer gnus-article-buffer)
1503 (let ((inhibit-read-only t)
1504 (inhibit-point-motion-hooks t)
1505 (case-fold-search t))
1506 (article-narrow-to-head)
1509 (put 'gnus-with-article-headers 'lisp-indent-function 0)
1510 (put 'gnus-with-article-headers 'edebug-form-spec '(body))
1512 (defmacro gnus-with-article-buffer (&rest forms)
1514 (set-buffer gnus-article-buffer)
1515 (let ((inhibit-read-only t))
1518 (put 'gnus-with-article-buffer 'lisp-indent-function 0)
1519 (put 'gnus-with-article-buffer 'edebug-form-spec '(body))
1521 (defun gnus-article-goto-header (header)
1522 "Go to HEADER, which is a regular expression."
1523 (re-search-forward (concat "^\\(" header "\\):") nil t))
1525 (defsubst gnus-article-hide-text (b e props)
1526 "Set text PROPS on the B to E region, extending `intangible' 1 past B."
1527 (gnus-add-text-properties-when 'article-type nil b e props)
1528 (when (memq 'intangible props)
1530 (max (1- b) (point-min))
1531 b 'intangible (cddr (memq 'intangible props)))))
1533 (defsubst gnus-article-unhide-text (b e)
1534 "Remove hidden text properties from region between B and E."
1535 (remove-text-properties b e gnus-hidden-properties)
1536 (when (memq 'intangible gnus-hidden-properties)
1537 (put-text-property (max (1- b) (point-min))
1538 b 'intangible nil)))
1540 (defun gnus-article-hide-text-type (b e type)
1541 "Hide text of TYPE between B and E."
1542 (gnus-add-wash-type type)
1543 (gnus-article-hide-text
1544 b e (cons 'article-type (cons type gnus-hidden-properties))))
1546 (defun gnus-article-unhide-text-type (b e type)
1547 "Unhide text of TYPE between B and E."
1548 (gnus-delete-wash-type type)
1549 (remove-text-properties
1550 b e (cons 'article-type (cons type gnus-hidden-properties)))
1551 (when (memq 'intangible gnus-hidden-properties)
1552 (put-text-property (max (1- b) (point-min))
1553 b 'intangible nil)))
1555 (defun gnus-article-hide-text-of-type (type)
1556 "Hide text of TYPE in the current buffer."
1558 (let ((b (point-min))
1560 (while (setq b (text-property-any b e 'article-type type))
1561 (add-text-properties b (incf b) gnus-hidden-properties)))))
1563 (defun gnus-article-delete-text-of-type (type)
1564 "Delete text of TYPE in the current buffer."
1566 (let ((b (point-min)))
1567 (while (setq b (text-property-any b (point-max) 'article-type type))
1569 b (or (text-property-not-all b (point-max) 'article-type type)
1572 (defun gnus-article-delete-invisible-text ()
1573 "Delete all invisible text in the current buffer."
1575 (let ((b (point-min)))
1576 (while (setq b (text-property-any b (point-max) 'invisible t))
1578 b (or (text-property-not-all b (point-max) 'invisible t)
1581 (defun gnus-article-text-type-exists-p (type)
1582 "Say whether any text of type TYPE exists in the buffer."
1583 (text-property-any (point-min) (point-max) 'article-type type))
1585 (defsubst gnus-article-header-rank ()
1586 "Give the rank of the string HEADER as given by `gnus-sorted-header-list'."
1587 (let ((list gnus-sorted-header-list)
1590 (if (looking-at (car list))
1592 (setq list (cdr list))
1596 (defun article-hide-headers (&optional arg delete)
1597 "Hide unwanted headers and possibly sort them as well."
1599 ;; This function might be inhibited.
1600 (unless gnus-inhibit-hiding
1601 (let ((inhibit-read-only nil)
1602 (case-fold-search t)
1603 (max (1+ (length gnus-sorted-header-list)))
1604 (inhibit-point-motion-hooks t)
1605 (cur (current-buffer))
1606 ignored visible beg)
1608 ;; `gnus-ignored-headers' and `gnus-visible-headers' may be
1609 ;; group parameters, so we should go to the summary buffer.
1612 (progn (set-buffer gnus-summary-buffer) t)
1614 (setq ignored (when (not gnus-visible-headers)
1615 (cond ((stringp gnus-ignored-headers)
1616 gnus-ignored-headers)
1617 ((listp gnus-ignored-headers)
1618 (mapconcat 'identity
1619 gnus-ignored-headers
1621 visible (cond ((stringp gnus-visible-headers)
1622 gnus-visible-headers)
1623 ((and gnus-visible-headers
1624 (listp gnus-visible-headers))
1625 (mapconcat 'identity
1626 gnus-visible-headers
1630 ;; First we narrow to just the headers.
1631 (article-narrow-to-head)
1632 ;; Hide any "From " lines at the beginning of (mail) articles.
1633 (while (looking-at "From ")
1636 (delete-region (point-min) (point)))
1637 ;; Then treat the rest of the header lines.
1638 ;; Then we use the two regular expressions
1639 ;; `gnus-ignored-headers' and `gnus-visible-headers' to
1640 ;; select which header lines is to remain visible in the
1642 (while (re-search-forward "^[^ \t:]*:" nil t)
1644 ;; Mark the rank of the header.
1646 (point) (1+ (point)) 'message-rank
1647 (if (or (and visible (looking-at visible))
1649 (not (looking-at ignored))))
1650 (gnus-article-header-rank)
1653 (message-sort-headers-1)
1654 (when (setq beg (text-property-any
1655 (point-min) (point-max) 'message-rank (+ 2 max)))
1656 ;; We delete the unwanted headers.
1657 (gnus-add-wash-type 'headers)
1658 (add-text-properties (point-min) (+ 5 (point-min))
1659 '(article-type headers dummy-invisible t))
1660 (delete-region beg (point-max))))))))
1662 (defun article-hide-boring-headers (&optional arg)
1663 "Toggle hiding of headers that aren't very interesting.
1664 If given a negative prefix, always show; if given a positive prefix,
1666 (interactive (gnus-article-hidden-arg))
1667 (when (and (not (gnus-article-check-hidden-text 'boring-headers arg))
1668 (not gnus-show-all-headers))
1671 (let ((inhibit-read-only t)
1672 (inhibit-point-motion-hooks t))
1673 (article-narrow-to-head)
1674 (dolist (elem gnus-boring-article-headers)
1675 (goto-char (point-min))
1677 ;; Hide empty headers.
1679 (while (re-search-forward "^[^: \t]+:[ \t]*\n[^ \t]" nil t)
1681 (gnus-article-hide-text-type
1685 (if (re-search-forward "^[^ \t]" nil t)
1689 ;; Hide boring Newsgroups header.
1690 ((eq elem 'newsgroups)
1691 (when (gnus-string-equal
1692 (gnus-fetch-field "newsgroups")
1693 (gnus-group-real-name
1694 (if (boundp 'gnus-newsgroup-name)
1697 (gnus-article-hide-header "newsgroups")))
1698 ((eq elem 'to-address)
1699 (let ((to (message-fetch-field "to"))
1701 (gnus-parameter-to-address
1702 (if (boundp 'gnus-newsgroup-name)
1703 gnus-newsgroup-name ""))))
1704 (when (and to to-address
1707 ;; only one address in To
1708 (nth 1 (mail-extract-address-components to))
1710 (gnus-article-hide-header "to"))))
1712 (let ((to (message-fetch-field "to"))
1714 (gnus-parameter-to-list
1715 (if (boundp 'gnus-newsgroup-name)
1716 gnus-newsgroup-name ""))))
1717 (when (and to to-list
1720 ;; only one address in To
1721 (nth 1 (mail-extract-address-components to))
1723 (gnus-article-hide-header "to"))))
1725 (let ((cc (message-fetch-field "cc"))
1727 (gnus-parameter-to-list
1728 (if (boundp 'gnus-newsgroup-name)
1729 gnus-newsgroup-name ""))))
1730 (when (and cc to-list
1733 ;; only one address in CC
1734 (nth 1 (mail-extract-address-components cc))
1736 (gnus-article-hide-header "cc"))))
1737 ((eq elem 'followup-to)
1738 (when (gnus-string-equal
1739 (message-fetch-field "followup-to")
1740 (message-fetch-field "newsgroups"))
1741 (gnus-article-hide-header "followup-to")))
1742 ((eq elem 'reply-to)
1743 (if (gnus-group-find-parameter
1744 gnus-newsgroup-name 'broken-reply-to)
1745 (gnus-article-hide-header "reply-to")
1746 (let ((from (message-fetch-field "from"))
1747 (reply-to (message-fetch-field "reply-to")))
1754 (lambda (x) (downcase (cadr x)))
1755 (mail-extract-address-components from t))
1758 (lambda (x) (downcase (cadr x)))
1759 (mail-extract-address-components reply-to t))
1761 (gnus-article-hide-header "reply-to")))))
1763 (let ((date (message-fetch-field "date")))
1765 (< (days-between (current-time-string) date)
1767 (gnus-article-hide-header "date"))))
1769 (let ((to (message-fetch-field "to"))
1770 (cc (message-fetch-field "cc")))
1771 (when (> (length to) 1024)
1772 (gnus-article-hide-header "to"))
1773 (when (> (length cc) 1024)
1774 (gnus-article-hide-header "cc"))))
1778 (goto-char (point-min))
1779 (while (re-search-forward "^to:" nil t)
1780 (setq to-count (1+ to-count)))
1781 (when (> to-count 1)
1782 (while (> to-count 0)
1783 (goto-char (point-min))
1785 (re-search-forward "^to:" nil nil to-count)
1787 (narrow-to-region (point) (point-max))
1788 (gnus-article-hide-header "to"))
1789 (setq to-count (1- to-count))))
1790 (goto-char (point-min))
1791 (while (re-search-forward "^cc:" nil t)
1792 (setq cc-count (1+ cc-count)))
1793 (when (> cc-count 1)
1794 (while (> cc-count 0)
1795 (goto-char (point-min))
1797 (re-search-forward "^cc:" nil nil cc-count)
1799 (narrow-to-region (point) (point-max))
1800 (gnus-article-hide-header "cc"))
1801 (setq cc-count (1- cc-count)))))))))))))
1803 (defun gnus-article-hide-header (header)
1805 (goto-char (point-min))
1806 (when (re-search-forward (concat "^" header ":") nil t)
1807 (gnus-article-hide-text-type
1811 (if (re-search-forward "^[^ \t]" nil t)
1816 (defvar gnus-article-normalized-header-length 40
1817 "Length of normalized headers.")
1819 (defun article-normalize-headers ()
1820 "Make all header lines 40 characters long."
1822 (let ((inhibit-read-only t)
1826 (article-narrow-to-head)
1829 ((< (setq column (- (point-at-eol) (point)))
1830 gnus-article-normalized-header-length)
1832 (insert (make-string
1833 (- gnus-article-normalized-header-length column)
1835 ((> column gnus-article-normalized-header-length)
1836 (gnus-put-text-property
1838 (forward-char gnus-article-normalized-header-length)
1845 (forward-line 1))))))
1847 (defun article-treat-dumbquotes ()
1848 "Translate M****s*** sm*rtq**t*s and other symbols into proper text.
1849 Note that this function guesses whether a character is a sm*rtq**t* or
1850 not, so it should only be used interactively.
1852 Sm*rtq**t*s are M****s***'s unilateral extension to the
1853 iso-8859-1 character map in an attempt to provide more quoting
1854 characters. If you see something like \\222 or \\264 where
1855 you're expecting some kind of apostrophe or quotation mark, then
1858 (article-translate-strings gnus-article-dumbquotes-map))
1860 (defun article-translate-characters (from to)
1861 "Translate all characters in the body of the article according to FROM and TO.
1862 FROM is a string of characters to translate from; to is a string of
1863 characters to translate to."
1865 (when (article-goto-body)
1866 (let ((inhibit-read-only t)
1867 (x (make-string 225 ?x))
1869 (while (< (incf i) (length x))
1872 (while (< i (length from))
1873 (aset x (aref from i) (aref to i))
1875 (translate-region (point) (point-max) x)))))
1877 (defun article-translate-strings (map)
1878 "Translate all string in the body of the article according to MAP.
1879 MAP is an alist where the elements are on the form (\"from\" \"to\")."
1881 (when (article-goto-body)
1882 (let ((inhibit-read-only t))
1885 (while (search-forward (car elem) nil t)
1886 (replace-match (cadr elem)))))))))
1888 (defun article-treat-overstrike ()
1889 "Translate overstrikes into bold text."
1892 (when (article-goto-body)
1893 (let ((inhibit-read-only t))
1894 (while (search-forward "\b" nil t)
1895 (let ((next (char-after))
1896 (previous (char-after (- (point) 2))))
1897 ;; We do the boldification/underlining by hiding the
1898 ;; overstrikes and putting the proper text property
1902 (gnus-article-hide-text-type (- (point) 2) (point) 'overstrike)
1903 (put-text-property (point) (1+ (point)) 'face 'bold))
1905 (gnus-article-hide-text-type
1906 (1- (point)) (1+ (point)) 'overstrike)
1908 (- (point) 2) (1- (point)) 'face 'underline))
1910 (gnus-article-hide-text-type (- (point) 2) (point) 'overstrike)
1912 (point) (1+ (point)) 'face 'underline)))))))))
1914 (defun article-treat-ansi-sequences ()
1915 "Translate ANSI SGR control sequences into overlays or extents."
1918 (when (article-goto-body)
1919 (let ((inhibit-read-only t))
1920 (ansi-color-apply-on-region (point) (point-max))))))
1922 (defun gnus-article-treat-unfold-headers ()
1923 "Unfold folded message headers.
1924 Only the headers that fit into the current window width will be
1927 (gnus-with-article-headers
1931 (mail-header-narrow-to-field)
1932 (let ((header (buffer-string)))
1935 (goto-char (point-min))
1936 (while (re-search-forward "\n[\t ]" nil t)
1937 (replace-match " " t t)))
1938 (setq length (- (point-max) (point-min) 1)))
1939 (when (< length (window-width))
1940 (while (re-search-forward "\n[\t ]" nil t)
1941 (replace-match " " t t)))
1942 (goto-char (point-max)))))))
1944 (defun gnus-article-treat-fold-headers ()
1945 "Fold message headers."
1947 (gnus-with-article-headers
1950 (mail-header-narrow-to-field)
1951 (mail-header-fold-field)
1952 (goto-char (point-max))))))
1954 (defun gnus-treat-smiley ()
1955 "Toggle display of textual emoticons (\"smileys\") as small graphical icons."
1957 (gnus-with-article-buffer
1958 (if (memq 'smiley gnus-article-wash-types)
1959 (gnus-delete-images 'smiley)
1961 (let ((images (smiley-region (point) (point-max))))
1963 (gnus-add-wash-type 'smiley)
1964 (dolist (image images)
1965 (gnus-add-image 'smiley image)))))))
1967 (defun gnus-article-remove-images ()
1968 "Remove all images from the article buffer."
1970 (gnus-with-article-buffer
1971 (dolist (elem gnus-article-image-alist)
1972 (gnus-delete-images (car elem)))))
1974 (defun gnus-article-treat-fold-newsgroups ()
1975 "Unfold folded message headers.
1976 Only the headers that fit into the current window width will be
1979 (gnus-with-article-headers
1980 (while (gnus-article-goto-header "newsgroups\\|followup-to")
1982 (mail-header-narrow-to-field)
1983 (while (re-search-forward ", *" nil t)
1984 (replace-match ", " t t))
1985 (mail-header-fold-field)
1986 (goto-char (point-max))))))
1988 (defun gnus-article-treat-body-boundary ()
1989 "Place a boundary line at the end of the headers."
1991 (when (and gnus-body-boundary-delimiter
1992 (> (length gnus-body-boundary-delimiter) 0))
1993 (gnus-with-article-headers
1994 (goto-char (point-max))
1995 (let ((start (point)))
1996 (insert "X-Boundary: ")
1997 (gnus-add-text-properties start (point) '(invisible t intangible t))
1999 (while (>= (1- (window-width)) (length str))
2000 (setq str (concat str gnus-body-boundary-delimiter)))
2001 (substring str 0 (1- (window-width))))
2003 (gnus-put-text-property start (point) 'gnus-decoration 'header)))))
2005 (defun article-fill-long-lines ()
2006 "Fill lines that are wider than the window width."
2009 (let ((inhibit-read-only t)
2010 (width (window-width (get-buffer-window (current-buffer)))))
2013 (let ((adaptive-fill-mode nil)) ;Why? -sm
2016 (when (>= (current-column) (min fill-column width))
2017 (narrow-to-region (min (1+ (point)) (point-max))
2019 (let ((goback (point-marker)))
2020 (fill-paragraph nil)
2021 (goto-char (marker-position goback)))
2023 (forward-line 1)))))))
2025 (defun article-capitalize-sentences ()
2026 "Capitalize the first word in each sentence."
2029 (let ((inhibit-read-only t)
2030 (paragraph-start "^[\n\^L]"))
2034 (forward-sentence)))))
2036 (defun article-remove-cr ()
2037 "Remove trailing CRs and then translate remaining CRs into LFs."
2040 (let ((inhibit-read-only t))
2041 (goto-char (point-min))
2042 (while (re-search-forward "\r+$" nil t)
2043 (replace-match "" t t))
2044 (goto-char (point-min))
2045 (while (search-forward "\r" nil t)
2046 (replace-match "\n" t t)))))
2048 (defun article-remove-trailing-blank-lines ()
2049 "Remove all trailing blank lines from the article."
2052 (let ((inhibit-read-only t))
2053 (goto-char (point-max))
2057 (while (and (not (bobp))
2058 (looking-at "^[ \t]*$")
2059 (not (gnus-annotation-in-region-p
2060 (point) (point-at-eol))))
2066 (defvar gnus-face-properties-alist))
2068 (defun article-display-face ()
2069 "Display any Face headers in the header."
2071 (let ((wash-face-p buffer-read-only))
2072 (gnus-with-article-headers
2073 ;; When displaying parts, this function can be called several times on
2074 ;; the same article, without any intended toggle semantic (as typing `W
2075 ;; D d' would have). So face deletion must occur only when we come from
2076 ;; an interactive command, that is when the *Article* buffer is
2078 (if (and wash-face-p (memq 'face gnus-article-wash-types))
2079 (gnus-delete-images 'face)
2082 (when (and wash-face-p
2084 (goto-char (point-min))
2085 (not (re-search-forward "^Face:[\t ]*" nil t)))
2086 (gnus-buffer-live-p gnus-original-article-buffer))
2087 (set-buffer gnus-original-article-buffer))
2089 (mail-narrow-to-head)
2090 (while (gnus-article-goto-header "Face")
2091 (setq faces (nconc faces (list (mail-header-field-value)))))))
2092 (dolist (face faces)
2093 (let ((png (gnus-convert-face-to-png face))
2097 (apply 'gnus-create-image png 'png t
2098 (cdr (assq 'png gnus-face-properties-alist))))
2099 (gnus-article-goto-header "from")
2101 (insert "From: [no `from' set]\n")
2103 (gnus-add-wash-type 'face)
2104 (gnus-add-image 'face image)
2105 (gnus-put-image image nil 'face))))))
2108 (defun article-display-x-face (&optional force)
2109 "Look for an X-Face header and display it if present."
2110 (interactive (list 'force))
2111 (let ((wash-face-p buffer-read-only)) ;; When type `W f'
2112 (gnus-with-article-headers
2113 ;; Delete the old process, if any.
2114 (when (process-status "article-x-face")
2115 (delete-process "article-x-face"))
2116 ;; See the comment in `article-display-face'.
2117 (if (and wash-face-p (memq 'xface gnus-article-wash-types))
2118 ;; We have already displayed X-Faces, so we remove them
2120 (gnus-delete-images 'xface)
2122 (let (x-faces from face)
2124 (when (and wash-face-p
2126 (goto-char (point-min))
2127 (not (re-search-forward
2128 "^X-Face\\(-[0-9]+\\)?:[\t ]*" nil t)))
2129 (gnus-buffer-live-p gnus-original-article-buffer))
2130 ;; If type `W f', use gnus-original-article-buffer,
2131 ;; otherwise use the current buffer because displaying
2132 ;; RFC822 parts calls this function too.
2133 (set-buffer gnus-original-article-buffer))
2135 (mail-narrow-to-head)
2136 (while (gnus-article-goto-header "X-Face")
2137 (push (mail-header-field-value) x-faces))
2138 (setq from (message-fetch-field "from"))))
2139 ;; Sending multiple EOFs to xv doesn't work, so we only do a
2140 ;; single external face.
2141 (when (stringp gnus-article-x-face-command)
2142 (setq x-faces (list (car x-faces))))
2143 (while (and (setq face (pop x-faces))
2144 gnus-article-x-face-command
2146 ;; Check whether this face is censored.
2147 (not gnus-article-x-face-too-ugly)
2148 (and gnus-article-x-face-too-ugly from
2149 (not (string-match gnus-article-x-face-too-ugly
2151 ;; We display the face.
2152 (cond ((stringp gnus-article-x-face-command)
2153 ;; The command is a string, so we interpret the command
2154 ;; as a, well, command, and fork it off.
2155 (let ((process-connection-type nil))
2156 (process-kill-without-query
2158 "article-x-face" nil shell-file-name
2159 shell-command-switch gnus-article-x-face-command))
2162 (process-send-region "article-x-face"
2163 (point-min) (point-max)))
2164 (process-send-eof "article-x-face")))
2165 ((functionp gnus-article-x-face-command)
2166 ;; The command is a lisp function, so we call it.
2167 (funcall gnus-article-x-face-command face))
2169 (error "%s is not a function"
2170 gnus-article-x-face-command)))))))))
2172 (defun article-decode-mime-words ()
2173 "Decode all MIME-encoded words in the article."
2175 (gnus-with-article-buffer
2176 (let ((inhibit-point-motion-hooks t)
2177 (mail-parse-charset gnus-newsgroup-charset)
2178 (mail-parse-ignored-charsets
2179 (with-current-buffer gnus-summary-buffer
2180 gnus-newsgroup-ignored-charsets)))
2181 (mail-decode-encoded-word-region (point-min) (point-max)))))
2183 (defun article-decode-charset (&optional prompt)
2184 "Decode charset-encoded text in the article.
2185 If PROMPT (the prefix), prompt for a coding system to use."
2187 (let ((inhibit-point-motion-hooks t) (case-fold-search t)
2188 (inhibit-read-only t)
2189 (mail-parse-charset gnus-newsgroup-charset)
2190 (mail-parse-ignored-charsets
2191 (save-excursion (condition-case nil
2192 (set-buffer gnus-summary-buffer)
2194 gnus-newsgroup-ignored-charsets))
2195 ct cte ctl charset format)
2198 (article-narrow-to-head)
2199 (setq ct (message-fetch-field "Content-Type" t)
2200 cte (message-fetch-field "Content-Transfer-Encoding" t)
2201 ctl (and ct (ignore-errors
2202 (mail-header-parse-content-type ct)))
2205 (mm-read-coding-system "Charset to decode: "))
2207 (mail-content-type-get ctl 'charset)))
2208 format (and ctl (mail-content-type-get ctl 'format)))
2210 (setq cte (mail-header-strip cte)))
2211 (if (and ctl (not (string-match "/" (car ctl))))
2213 (goto-char (point-max)))
2216 (narrow-to-region (point) (point-max))
2217 (when (and (eq mail-parse-charset 'gnus-decoded)
2218 (eq (mm-body-7-or-8) '8bit))
2219 ;; The text code could have been decoded.
2220 (setq charset mail-parse-charset))
2221 (when (and (or (not ctl)
2222 (equal (car ctl) "text/plain"))
2223 (not format)) ;; article with format will decode later.
2225 charset (and cte (intern (downcase
2226 (gnus-strip-whitespace cte))))
2229 (defun article-decode-encoded-words ()
2230 "Remove encoded-word encoding from headers."
2231 (let ((inhibit-point-motion-hooks t)
2232 (mail-parse-charset gnus-newsgroup-charset)
2233 (mail-parse-ignored-charsets
2234 (save-excursion (condition-case nil
2235 (set-buffer gnus-summary-buffer)
2237 gnus-newsgroup-ignored-charsets))
2238 (inhibit-read-only t))
2240 (article-narrow-to-head)
2241 (funcall gnus-decode-header-function (point-min) (point-max)))))
2243 (defun article-decode-group-name ()
2244 "Decode group names in `Newsgroups:'."
2245 (let ((inhibit-point-motion-hooks t)
2246 (inhibit-read-only t)
2247 (method (gnus-find-method-for-group gnus-newsgroup-name)))
2248 (when (and (or gnus-group-name-charset-method-alist
2249 gnus-group-name-charset-group-alist)
2250 (gnus-buffer-live-p gnus-original-article-buffer))
2252 (article-narrow-to-head)
2253 (with-current-buffer gnus-original-article-buffer
2254 (goto-char (point-min)))
2255 (while (re-search-forward
2256 "^Newsgroups:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]" nil t)
2257 (replace-match (save-match-data
2258 (gnus-decode-newsgroups
2259 ;; XXX how to use data in article buffer?
2260 (with-current-buffer gnus-original-article-buffer
2262 "^Newsgroups:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]"
2265 gnus-newsgroup-name method))
2267 (goto-char (point-min))
2268 (with-current-buffer gnus-original-article-buffer
2269 (goto-char (point-min)))
2270 (while (re-search-forward
2271 "^Followup-To:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]" nil t)
2272 (replace-match (save-match-data
2273 (gnus-decode-newsgroups
2274 ;; XXX how to use data in article buffer?
2275 (with-current-buffer gnus-original-article-buffer
2277 "^Followup-To:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]"
2280 gnus-newsgroup-name method))
2283 (autoload 'idna-to-unicode "idna")
2285 (defun article-decode-idna-rhs ()
2286 "Decode IDNA strings in RHS in From:, To: and Cc: headers in current buffer."
2289 (let ((inhibit-point-motion-hooks t)
2290 (inhibit-read-only t))
2291 (article-narrow-to-head)
2292 (goto-char (point-min))
2293 (while (re-search-forward "@.*\\(xn--[-A-Za-z0-9.]*\\)[ \t\n\r,>]" nil t)
2295 (when (save-match-data
2296 (and (setq ace (match-string 1))
2298 (and (re-search-backward "^[^ \t]" nil t)
2299 (looking-at "From\\|To\\|Cc")))
2300 (setq unicode (idna-to-unicode ace))))
2301 (unless (string= ace unicode)
2302 (replace-match unicode nil nil nil 1)))))))))
2304 (defun article-de-quoted-unreadable (&optional force read-charset)
2305 "Translate a quoted-printable-encoded article.
2306 If FORCE, decode the article whether it is marked as quoted-printable
2308 If READ-CHARSET, ask for a coding system."
2309 (interactive (list 'force current-prefix-arg))
2311 (let ((inhibit-read-only t) 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 "quoted-printable" type))))
2332 (quoted-printable-decode-region
2333 (point) (point-max) (mm-charset-to-coding-system charset))))))
2335 (defun article-de-base64-unreadable (&optional force read-charset)
2336 "Translate a base64 article.
2337 If FORCE, decode the article whether it is marked as base64 not.
2338 If READ-CHARSET, ask for a coding system."
2339 (interactive (list 'force current-prefix-arg))
2341 (let ((inhibit-read-only t) type charset)
2342 (if (gnus-buffer-live-p gnus-original-article-buffer)
2343 (with-current-buffer gnus-original-article-buffer
2345 (gnus-fetch-field "content-transfer-encoding"))
2346 (let* ((ct (gnus-fetch-field "content-type"))
2349 (mail-header-parse-content-type ct)))))
2350 (setq charset (and ctl
2351 (mail-content-type-get ctl 'charset)))
2352 (if (stringp charset)
2353 (setq charset (intern (downcase charset)))))))
2355 (setq charset (mm-read-coding-system "Charset: " charset)))
2357 (setq charset gnus-newsgroup-charset))
2359 (and type (let ((case-fold-search t))
2360 (string-match "base64" type))))
2363 (narrow-to-region (point) (point-max))
2364 (base64-decode-region (point-min) (point-max))
2365 (mm-decode-coding-region
2366 (point-min) (point-max) (mm-charset-to-coding-system charset)))))))
2371 (defun article-decode-HZ ()
2372 "Translate a HZ-encoded article."
2376 (let ((inhibit-read-only t))
2377 (rfc1843-decode-region (point-min) (point-max)))))
2379 (defun article-unsplit-urls ()
2380 "Remove the newlines that some other mailers insert into URLs."
2383 (let ((inhibit-read-only t))
2384 (goto-char (point-min))
2385 (while (re-search-forward
2386 "^\\(\\(https?\\|ftp\\)://\\S-+\\) *\n\\(\\S-+\\)" nil t)
2387 (replace-match "\\1\\3" t)))
2388 (when (interactive-p)
2389 (gnus-treat-article nil))))
2392 (defun article-wash-html (&optional read-charset)
2393 "Format an HTML article.
2394 If READ-CHARSET, ask for a coding system."
2397 (let ((inhibit-read-only t)
2399 (when (gnus-buffer-live-p gnus-original-article-buffer)
2400 (with-current-buffer gnus-original-article-buffer
2401 (let* ((ct (gnus-fetch-field "content-type"))
2404 (mail-header-parse-content-type ct)))))
2405 (setq charset (and ctl
2406 (mail-content-type-get ctl 'charset)))
2407 (when (stringp charset)
2408 (setq charset (intern (downcase charset)))))))
2410 (setq charset (mm-read-coding-system "Charset: " charset)))
2412 (setq charset gnus-newsgroup-charset))
2414 (save-window-excursion
2416 (narrow-to-region (point) (point-max))
2417 (let* ((func (or gnus-article-wash-function mm-text-html-renderer))
2418 (entry (assq func mm-text-html-washer-alist)))
2420 (setq func (cdr entry)))
2425 (apply (car func) (cdr func))))))))))
2427 (defun gnus-article-wash-html-with-w3 ()
2428 "Wash the current buffer with w3."
2430 (let ((w3-strict-width (window-width))
2431 (url-standalone-mode t)
2432 (url-gateway-unplugged t)
2433 (w3-honor-stylesheets nil))
2435 (w3-region (point-min) (point-max))
2438 (defun gnus-article-wash-html-with-w3m ()
2439 "Wash the current buffer with emacs-w3m."
2442 (narrow-to-region (point) (point-max))
2443 (let ((w3m-safe-url-regexp mm-w3m-safe-url-regexp)
2444 w3m-force-redisplay)
2445 (w3m-region (point-min) (point-max)))
2446 (when (and mm-inline-text-html-with-w3m-keymap
2447 (boundp 'w3m-minor-mode-map)
2449 (add-text-properties
2450 (point-min) (point-max)
2451 (list 'keymap w3m-minor-mode-map
2452 ;; Put the mark meaning this part was rendered by emacs-w3m.
2453 'mm-inline-text-html-with-w3m t)))))
2455 (defun article-hide-list-identifiers ()
2456 "Remove list identifies from the Subject header.
2457 The `gnus-list-identifiers' variable specifies what to do."
2459 (let ((inhibit-point-motion-hooks t)
2460 (regexp (if (consp gnus-list-identifiers)
2461 (mapconcat 'identity gnus-list-identifiers " *\\|")
2462 gnus-list-identifiers))
2463 (inhibit-read-only t))
2467 (article-narrow-to-head)
2468 (goto-char (point-min))
2469 (while (re-search-forward
2470 (concat "^Subject: +\\(R[Ee]: +\\)*\\(" regexp " *\\)")
2472 (delete-region (match-beginning 2) (match-end 0))
2473 (beginning-of-line))
2474 (when (re-search-forward
2475 "^Subject: +\\(\\(R[Ee]: +\\)+\\)R[Ee]: +" nil t)
2476 (delete-region (match-beginning 1) (match-end 1))))))))
2478 (defun article-hide-pem (&optional arg)
2479 "Toggle hiding of any PEM headers and signatures in the current article.
2480 If given a negative prefix, always show; if given a positive prefix,
2482 (interactive (gnus-article-hidden-arg))
2483 (unless (gnus-article-check-hidden-text 'pem arg)
2485 (let ((inhibit-read-only t) end)
2486 (goto-char (point-min))
2487 ;; Hide the horrendously ugly "header".
2488 (when (and (search-forward
2489 "\n-----BEGIN PRIVACY-ENHANCED MESSAGE-----\n"
2491 (setq end (1+ (match-beginning 0))))
2492 (gnus-add-wash-type 'pem)
2493 (gnus-article-hide-text-type
2495 (if (search-forward "\n\n" nil t)
2499 ;; Hide the trailer as well
2500 (when (search-forward "\n-----END PRIVACY-ENHANCED MESSAGE-----\n"
2502 (gnus-article-hide-text-type
2503 (match-beginning 0) (match-end 0) 'pem)))))))
2505 (defun article-strip-banner ()
2506 "Strip the banners specified by the `banner' group parameter and by
2507 `gnus-article-address-banner-alist'."
2511 (let ((inhibit-point-motion-hooks t))
2512 (when (gnus-parameter-banner gnus-newsgroup-name)
2513 (article-really-strip-banner
2514 (gnus-parameter-banner gnus-newsgroup-name)))
2515 (when gnus-article-address-banner-alist
2516 ;; It is necessary to encode from fields before checking,
2517 ;; because `mail-header-parse-addresses' does not work
2518 ;; (reliably) on decoded headers. And more, it is
2519 ;; impossible to use `gnus-fetch-original-field' here,
2520 ;; because `article-strip-banner' may be called in draft
2521 ;; buffers to preview them.
2522 (let ((from (save-restriction
2524 (article-narrow-to-head)
2525 (mail-fetch-field "from"))))
2528 (caar (mail-header-parse-addresses
2529 (mail-encode-encoded-word-string from)))))
2531 (dolist (pair gnus-article-address-banner-alist)
2532 (when (string-match (car pair) from)
2534 (article-really-strip-banner (cdr pair)))))))))))))
2536 (defun article-really-strip-banner (banner)
2537 "Strip the banner specified by the argument."
2540 (let ((inhibit-point-motion-hooks t)
2541 (gnus-signature-limit nil)
2542 (inhibit-read-only t))
2545 ((eq banner 'signature)
2546 (when (gnus-article-narrow-to-signature)
2549 (delete-region (point) (point-max))))
2551 (if (setq banner (cdr (assq banner gnus-article-banner-alist)))
2552 (while (re-search-forward banner nil t)
2553 (delete-region (match-beginning 0) (match-end 0)))))
2555 (while (re-search-forward banner nil t)
2556 (delete-region (match-beginning 0) (match-end 0)))))))))
2558 (defun article-babel ()
2559 "Translate article using an online translation service."
2562 (gnus-with-article-buffer
2563 (when (article-goto-body)
2564 (let* ((start (point))
2566 (orig (buffer-substring start end))
2567 (trans (babel-as-string orig)))
2569 (narrow-to-region start end)
2570 (delete-region start end)
2573 (defun article-hide-signature (&optional arg)
2574 "Hide the signature in the current article.
2575 If given a negative prefix, always show; if given a positive prefix,
2577 (interactive (gnus-article-hidden-arg))
2578 (unless (gnus-article-check-hidden-text 'signature arg)
2581 (let ((inhibit-read-only t))
2582 (when (gnus-article-narrow-to-signature)
2583 (gnus-article-hide-text-type
2584 (point-min) (point-max) 'signature))))))
2585 (gnus-set-mode-line 'article))
2587 (defun article-strip-headers-in-body ()
2588 "Strip offensive headers from bodies."
2592 (let ((case-fold-search t))
2593 (when (looking-at "x-no-archive:")
2594 (gnus-delete-line)))))
2596 (defun article-strip-leading-blank-lines ()
2597 "Remove all blank lines from the beginning of the article."
2600 (let ((inhibit-point-motion-hooks t)
2601 (inhibit-read-only t))
2602 (when (article-goto-body)
2603 (while (and (not (eobp))
2604 (looking-at "[ \t]*$"))
2605 (gnus-delete-line))))))
2607 (defun article-narrow-to-head ()
2608 "Narrow the buffer to the head of the message.
2609 Point is left at the beginning of the narrowed-to region."
2611 (goto-char (point-min))
2612 (if (search-forward "\n\n" nil 1)
2615 (goto-char (point-min)))
2617 (defun article-goto-body ()
2618 "Place point at the start of the body."
2619 (goto-char (point-min))
2621 ;; This variable is only bound when dealing with separate
2623 (article-goto-body-goes-to-point-min-p
2625 ((search-forward "\n\n" nil t)
2628 (goto-char (point-max))
2631 (defun article-strip-multiple-blank-lines ()
2632 "Replace consecutive blank lines with one empty line."
2635 (let ((inhibit-point-motion-hooks t)
2636 (inhibit-read-only t))
2637 ;; First make all blank lines empty.
2639 (while (re-search-forward "^[ \t]+$" nil t)
2640 (unless (gnus-annotation-in-region-p
2641 (match-beginning 0) (match-end 0))
2642 (replace-match "" nil t)))
2643 ;; Then replace multiple empty lines with a single empty line.
2645 (while (re-search-forward "\n\n\\(\n+\\)" nil t)
2646 (unless (gnus-annotation-in-region-p
2647 (match-beginning 0) (match-end 0))
2648 (delete-region (match-beginning 1) (match-end 1)))))))
2650 (defun article-strip-leading-space ()
2651 "Remove all white space from the beginning of the lines in the article."
2654 (let ((inhibit-point-motion-hooks t)
2655 (inhibit-read-only t))
2657 (while (re-search-forward "^[ \t]+" nil t)
2658 (replace-match "" t t)))))
2660 (defun article-strip-trailing-space ()
2661 "Remove all white space from the end of the lines in the article."
2664 (let ((inhibit-point-motion-hooks t)
2665 (inhibit-read-only t))
2667 (while (re-search-forward "[ \t]+$" nil t)
2668 (replace-match "" t t)))))
2670 (defun article-strip-blank-lines ()
2671 "Strip leading, trailing and multiple blank lines."
2673 (article-strip-leading-blank-lines)
2674 (article-remove-trailing-blank-lines)
2675 (article-strip-multiple-blank-lines))
2677 (defun article-strip-all-blank-lines ()
2678 "Strip all blank lines."
2681 (let ((inhibit-point-motion-hooks t)
2682 (inhibit-read-only t))
2684 (while (re-search-forward "^[ \t]*\n" nil t)
2685 (replace-match "" t t)))))
2687 (defun gnus-article-narrow-to-signature ()
2688 "Narrow to the signature; return t if a signature is found, else nil."
2689 (let ((inhibit-point-motion-hooks t))
2690 (when (gnus-article-search-signature)
2692 ;; Check whether we have some limits to what we consider
2693 ;; to be a signature.
2694 (let ((limits (if (listp gnus-signature-limit) gnus-signature-limit
2695 (list gnus-signature-limit)))
2697 (while (setq limit (pop limits))
2698 (if (or (and (integerp limit)
2699 (< (- (point-max) (point)) limit))
2701 (< (count-lines (point) (point-max)) limit))
2702 (and (functionp limit)
2704 (and (stringp limit)
2705 (not (re-search-forward limit nil t))))
2706 () ; This limit did not succeed.
2710 (narrow-to-region (point) (point-max))
2713 (defun gnus-article-search-signature ()
2714 "Search the current buffer for the signature separator.
2715 Put point at the beginning of the signature separator."
2716 (let ((cur (point)))
2717 (goto-char (point-max))
2718 (if (if (stringp gnus-signature-separator)
2719 (re-search-backward gnus-signature-separator nil t)
2720 (let ((seps gnus-signature-separator))
2722 (not (re-search-backward (car seps) nil t)))
2729 (defun gnus-article-hidden-arg ()
2730 "Return the current prefix arg as a number, or 0 if no prefix."
2731 (list (if current-prefix-arg
2732 (prefix-numeric-value current-prefix-arg)
2735 (defun gnus-article-check-hidden-text (type arg)
2736 "Return nil if hiding is necessary.
2737 Arg can be nil or a number. nil and positive means hide, negative
2738 means show, 0 means toggle."
2741 (let ((hide (gnus-article-hidden-text-p type)))
2747 (gnus-article-show-hidden-text type)
2750 (if (eq hide 'hidden)
2752 (gnus-article-show-hidden-text type)
2756 (defun gnus-article-hidden-text-p (type)
2757 "Say whether the current buffer contains hidden text of type TYPE."
2758 (let ((pos (text-property-any (point-min) (point-max) 'article-type type)))
2760 (not (get-text-property pos 'invisible))
2761 (not (get-text-property pos 'dummy-invisible)))
2763 (text-property-any (1+ pos) (point-max) 'article-type type)))
2768 (defun gnus-article-show-hidden-text (type &optional dummy)
2769 "Show all hidden text of type TYPE.
2770 Originally it is hide instead of DUMMY."
2771 (let ((inhibit-read-only t)
2772 (inhibit-point-motion-hooks t))
2773 (gnus-remove-text-properties-when
2775 (point-min) (point-max)
2776 (cons 'article-type (cons type
2777 gnus-hidden-properties)))
2778 (gnus-delete-wash-type type)))
2780 (defconst article-time-units
2781 `((year . ,(* 365.25 24 60 60))
2782 (week . ,(* 7 24 60 60))
2783 (day . ,(* 24 60 60))
2787 "Mapping from time units to seconds.")
2789 (defun gnus-article-forward-header ()
2790 "Move point to the start of the next header.
2791 If the current header is a continuation header, this can be several
2796 (if (looking-at "[ \t]+[^ \t]")
2800 (defun article-date-ut (&optional type highlight header)
2801 "Convert DATE date to universal time in the current article.
2802 If TYPE is `local', convert to local time; if it is `lapsed', output
2803 how much time has lapsed since DATE. For `lapsed', the value of
2804 `gnus-article-date-lapsed-new-header' says whether the \"X-Sent:\" header
2805 should replace the \"Date:\" one, or should be added below it."
2806 (interactive (list 'ut t))
2807 (let* ((header (or header
2808 (message-fetch-field "date")
2810 (tdate-regexp "^Date:[ \t]\\|^X-Sent:[ \t]")
2813 ((not gnus-article-date-lapsed-new-header)
2819 (date (if (vectorp header) (mail-header-date header)
2821 (inhibit-point-motion-hooks t)
2826 (article-narrow-to-head)
2827 (when (re-search-forward tdate-regexp nil t)
2828 (setq bface (get-text-property (point-at-bol) 'face)
2829 date (or (get-text-property (point-at-bol)
2832 eface (get-text-property (1- (point-at-eol)) 'face))
2834 (when (and date (not (string= date "")))
2835 (goto-char (point-min))
2836 (let ((inhibit-read-only t))
2837 ;; Delete any old Date headers.
2838 (while (re-search-forward date-regexp nil t)
2840 (delete-region (point-at-bol)
2841 (progn (gnus-article-forward-header)
2843 (delete-region (point-at-bol)
2844 (progn (gnus-article-forward-header)
2847 (setq pos (point))))
2848 (when (and (not pos)
2849 (re-search-forward tdate-regexp nil t))
2851 (gnus-goto-char pos)
2852 (insert (article-make-date-line date (or type 'ut)))
2858 (when (looking-at "\\([^:]+\\): *\\(.*\\)$")
2859 (add-text-properties (match-beginning 1) (1+ (match-end 1))
2860 (list 'original-date date 'face bface))
2861 (put-text-property (match-beginning 2) (match-end 2)
2864 (defun article-make-date-line (date type)
2865 "Return a DATE line of TYPE."
2866 (unless (memq type '(local ut original user iso8601 lapsed english))
2867 (error "Unknown conversion type: %s" type))
2869 (let ((time (date-to-time date)))
2871 ;; Convert to the local timezone.
2873 (concat "Date: " (message-make-date time)))
2874 ;; Convert to Universal Time.
2879 (let* ((e (parse-time-string date))
2880 (tm (apply 'encode-time e))
2882 (ls (- (cadr tm) (car (current-time-zone time)))))
2883 (cond ((< ls 0) (list (1- ms) (+ ls 65536)))
2884 ((> ls 65535) (list (1+ ms) (- ls 65536)))
2888 ;; Get the original date from the article.
2889 ((eq type 'original)
2890 (concat "Date: " (if (string-match "\n+$" date)
2891 (substring date 0 (match-beginning 0))
2893 ;; Let the user define the format.
2895 (let ((format (or (condition-case nil
2896 (with-current-buffer gnus-summary-buffer
2897 gnus-article-time-format)
2899 gnus-article-time-format)))
2900 (if (functionp format)
2901 (funcall format time)
2902 (concat "Date: " (format-time-string format time)))))
2905 (let ((tz (car (current-time-zone time))))
2908 (format-time-string "%Y%m%dT%H%M%S" time)
2909 (format "%s%02d%02d"
2910 (if (> tz 0) "+" "-") (/ (abs tz) 3600)
2911 (/ (% (abs tz) 3600) 60)))))
2912 ;; Do an X-Sent lapsed format.
2914 ;; If the date is seriously mangled, the timezone functions are
2915 ;; liable to bug out, so we ignore all errors.
2916 (let* ((now (current-time))
2917 (real-time (subtract-time now time))
2918 (real-sec (and real-time
2919 (+ (* (float (car real-time)) 65536)
2921 (sec (and real-time (abs real-sec)))
2931 ;; This is a bit convoluted, but basically we go
2932 ;; through the time units for years, weeks, etc,
2933 ;; and divide things to see whether that results
2934 ;; in positive answers.
2937 (if (zerop (setq num (ffloor (/ sec (cdr unit)))))
2938 ;; The (remaining) seconds are too few to
2939 ;; be divided into this time unit.
2941 ;; It's big enough, so we output it.
2942 (setq sec (- sec (* num (cdr unit))))
2944 (concat (if prev ", " "") (int-to-string
2946 " " (symbol-name (car unit))
2947 (if (> num 1) "s" ""))
2949 article-time-units "")
2950 ;; If dates are odd, then it might appear like the
2951 ;; article was sent in the future.
2954 " in the future"))))))
2955 ;; Display the date in proper English
2957 (let ((dtime (decode-time time)))
2960 (number-to-string (nth 3 dtime))
2961 (let ((digit (% (nth 3 dtime) 10)))
2963 ((memq (nth 3 dtime) '(11 12 13)) "th")
2969 (nth (1- (nth 4 dtime)) gnus-english-month-names)
2971 (number-to-string (nth 5 dtime))
2973 (format "%02d" (nth 2 dtime))
2975 (format "%02d" (nth 1 dtime)))))))
2977 (format "Date: %s (from Gnus)" date))))
2979 (defun article-date-local (&optional highlight)
2980 "Convert the current article date to the local timezone."
2981 (interactive (list t))
2982 (article-date-ut 'local highlight))
2984 (defun article-date-english (&optional highlight)
2985 "Convert the current article date to something that is proper English."
2986 (interactive (list t))
2987 (article-date-ut 'english highlight))
2989 (defun article-date-original (&optional highlight)
2990 "Convert the current article date to what it was originally.
2991 This is only useful if you have used some other date conversion
2992 function and want to see what the date was before converting."
2993 (interactive (list t))
2994 (article-date-ut 'original highlight))
2996 (defun article-date-lapsed (&optional highlight)
2997 "Convert the current article date to time lapsed since it was sent."
2998 (interactive (list t))
2999 (article-date-ut 'lapsed highlight))
3001 (defun article-update-date-lapsed ()
3002 "Function to be run from a timer to update the lapsed time line."
3003 (let (deactivate-mark)
3008 (set-buffer (window-buffer w))
3009 (when (eq major-mode 'gnus-article-mode)
3010 (let ((mark (point-marker)))
3011 (goto-char (point-min))
3012 (when (re-search-forward "^X-Sent:" nil t)
3013 (article-date-lapsed t))
3014 (goto-char (marker-position mark))
3015 (move-marker mark nil))))
3018 (defun gnus-start-date-timer (&optional n)
3019 "Start a timer to update the X-Sent header in the article buffers.
3020 The numerical prefix says how frequently (in seconds) the function
3025 (gnus-stop-date-timer)
3026 (setq article-lapsed-timer
3027 (run-at-time 1 n 'article-update-date-lapsed)))
3029 (defun gnus-stop-date-timer ()
3030 "Stop the X-Sent timer."
3032 (when article-lapsed-timer
3033 (nnheader-cancel-timer article-lapsed-timer)
3034 (setq article-lapsed-timer nil)))
3036 (defun article-date-user (&optional highlight)
3037 "Convert the current article date to the user-defined format.
3038 This format is defined by the `gnus-article-time-format' variable."
3039 (interactive (list t))
3040 (article-date-ut 'user highlight))
3042 (defun article-date-iso8601 (&optional highlight)
3043 "Convert the current article date to ISO8601."
3044 (interactive (list t))
3045 (article-date-ut 'iso8601 highlight))
3047 ;; (defun article-show-all ()
3048 ;; "Show all hidden text in the article buffer."
3051 ;; (let ((inhibit-read-only t))
3052 ;; (gnus-article-unhide-text (point-min) (point-max)))))
3054 (defun article-remove-leading-whitespace ()
3055 "Remove excessive whitespace from all headers."
3059 (let ((inhibit-read-only t))
3060 (article-narrow-to-head)
3061 (goto-char (point-min))
3062 (while (re-search-forward "^[^ :]+: \\([ \t]+\\)" nil t)
3063 (delete-region (match-beginning 1) (match-end 1)))))))
3065 (defun article-emphasize (&optional arg)
3066 "Emphasize text according to `gnus-emphasis-alist'."
3067 (interactive (gnus-article-hidden-arg))
3068 (unless (gnus-article-check-hidden-text 'emphasis arg)
3072 (with-current-buffer gnus-summary-buffer
3073 gnus-article-emphasis-alist)
3075 gnus-emphasis-alist))
3076 (inhibit-read-only t)
3077 (props (append '(article-type emphasis)
3078 gnus-hidden-properties))
3079 regexp elem beg invisible visible face)
3082 (while (setq elem (pop alist))
3084 (setq regexp (car elem)
3085 invisible (nth 1 elem)
3086 visible (nth 2 elem)
3088 (while (re-search-forward regexp nil t)
3089 (when (and (match-beginning visible) (match-beginning invisible))
3090 (gnus-article-hide-text
3091 (match-beginning invisible) (match-end invisible) props)
3092 (gnus-article-unhide-text-type
3093 (match-beginning visible) (match-end visible) 'emphasis)
3094 (gnus-put-overlay-excluding-newlines
3095 (match-beginning visible) (match-end visible) 'face face)
3096 (gnus-add-wash-type 'emphasis)
3097 (goto-char (match-end invisible)))))))))
3099 (defun gnus-article-setup-highlight-words (&optional highlight-words)
3100 "Setup newsgroup emphasis alist."
3101 (unless gnus-article-emphasis-alist
3102 (let ((name (and gnus-newsgroup-name
3103 (gnus-group-real-name gnus-newsgroup-name))))
3104 (make-local-variable 'gnus-article-emphasis-alist)
3105 (setq gnus-article-emphasis-alist
3107 (let ((alist gnus-group-highlight-words-alist) elem highlight)
3108 (while (setq elem (pop alist))
3109 (when (and name (string-match (car elem) name))
3111 highlight (copy-sequence (cdr elem)))))
3113 (copy-sequence highlight-words)
3114 (if gnus-newsgroup-name
3115 (copy-sequence (gnus-group-find-parameter
3116 gnus-newsgroup-name 'highlight-words t)))
3117 gnus-emphasis-alist)))))
3120 (defvar gnus-summary-article-menu)
3121 (defvar gnus-summary-post-menu))
3123 ;;; Saving functions.
3125 (defun gnus-article-save (save-buffer file &optional num)
3126 "Save the currently selected article."
3127 (unless gnus-save-all-headers
3128 ;; Remove headers according to `gnus-saved-headers'.
3129 (let ((gnus-visible-headers
3130 (or gnus-saved-headers gnus-visible-headers))
3131 (gnus-article-buffer save-buffer))
3133 (set-buffer save-buffer)
3134 (article-hide-headers 1 t))))
3135 (save-window-excursion
3136 (if (not gnus-default-article-saver)
3137 (error "No default saver is defined")
3138 ;; !!! Magic! The saving functions all save
3139 ;; `gnus-save-article-buffer' (or so they think), but we
3140 ;; bind that variable to our save-buffer.
3141 (set-buffer gnus-article-buffer)
3142 (let* ((gnus-save-article-buffer save-buffer)
3145 ((not gnus-prompt-before-saving) 'default)
3146 ((eq gnus-prompt-before-saving 'always) nil)
3148 (gnus-number-of-articles-to-be-saved
3149 (when (eq gnus-prompt-before-saving t)
3151 (set-buffer gnus-article-current-summary)
3152 (funcall gnus-default-article-saver filename)))))
3154 (defun gnus-read-save-file-name (prompt &optional filename
3155 function group headers variable)
3157 (funcall function group headers (symbol-value variable)))
3162 ((eq filename 'default)
3168 (let* ((split-name (gnus-get-split-value gnus-split-methods))
3171 (if (and gnus-number-of-articles-to-be-saved
3172 (> gnus-number-of-articles-to-be-saved 1))
3173 (format "these %d articles"
3174 gnus-number-of-articles-to-be-saved)
3177 ;; Let the split methods have their say.
3179 ;; No split name was found.
3182 (concat prompt " (default "
3183 (file-name-nondirectory default-name) ") ")
3184 (file-name-directory default-name)
3186 ;; A single group name is returned.
3187 ((stringp split-name)
3189 (funcall function split-name headers
3190 (symbol-value variable)))
3192 (concat prompt " (default "
3193 (file-name-nondirectory default-name) ") ")
3194 (file-name-directory default-name)
3196 ;; A single split name was found
3197 ((= 1 (length split-name))
3198 (let* ((name (expand-file-name
3200 gnus-article-save-directory))
3201 (dir (cond ((file-directory-p name)
3202 (file-name-as-directory name))
3203 ((file-exists-p name) name)
3204 (t gnus-article-save-directory))))
3206 (concat prompt " (default " name ") ")
3208 ;; A list of splits was found.
3210 (setq split-name (nreverse split-name))
3212 (let ((file-name-history
3213 (nconc split-name file-name-history)))
3217 (concat prompt " (`M-p' for defaults) ")
3218 gnus-article-save-directory
3220 gnus-article-save-directory)))
3221 (car (push result file-name-history)))))))
3222 ;; Create the directory.
3223 (gnus-make-directory (file-name-directory file))
3224 ;; If we have read a directory, we append the default file name.
3225 (when (file-directory-p file)
3226 (setq file (expand-file-name (file-name-nondirectory
3228 (file-name-as-directory file))))
3229 ;; Possibly translate some characters.
3230 (nnheader-translate-file-chars file))))))
3231 (gnus-make-directory (file-name-directory result))
3232 (set variable result)))
3234 (defun gnus-article-archive-name (group)
3235 "Return the first instance of an \"Archive-name\" in the current buffer."
3236 (let ((case-fold-search t))
3237 (when (re-search-forward "archive-name: *\\([^ \n\t]+\\)[ \t]*$" nil t)
3238 (nnheader-concat gnus-article-save-directory
3239 (match-string 1)))))
3241 (defun gnus-article-nndoc-name (group)
3242 "If GROUP is an nndoc group, return the name of the parent group."
3243 (when (eq (car (gnus-find-method-for-group group)) 'nndoc)
3244 (gnus-group-get-parameter group 'save-article-group)))
3246 (defun gnus-summary-save-in-rmail (&optional filename)
3247 "Append this article to Rmail file.
3248 Optional argument FILENAME specifies file name.
3249 Directory to save to is default to `gnus-article-save-directory'."
3250 (setq filename (gnus-read-save-file-name
3251 "Save %s in rmail file:" filename
3252 gnus-rmail-save-name gnus-newsgroup-name
3253 gnus-current-headers 'gnus-newsgroup-last-rmail))
3254 (gnus-eval-in-buffer-window gnus-save-article-buffer
3258 (gnus-output-to-rmail filename))))
3261 (defun gnus-summary-save-in-mail (&optional filename)
3262 "Append this article to Unix mail file.
3263 Optional argument FILENAME specifies file name.
3264 Directory to save to is default to `gnus-article-save-directory'."
3265 (setq filename (gnus-read-save-file-name
3266 "Save %s in Unix mail file:" filename
3267 gnus-mail-save-name gnus-newsgroup-name
3268 gnus-current-headers 'gnus-newsgroup-last-mail))
3269 (gnus-eval-in-buffer-window gnus-save-article-buffer
3273 (if (and (file-readable-p filename)
3274 (file-regular-p filename)
3275 (mail-file-babyl-p filename))
3276 (rmail-output-to-rmail-file filename t)
3277 (gnus-output-to-mail filename)))))
3280 (defun gnus-summary-save-in-file (&optional filename overwrite)
3281 "Append this article to file.
3282 Optional argument FILENAME specifies file name.
3283 Directory to save to is default to `gnus-article-save-directory'."
3284 (setq filename (gnus-read-save-file-name
3285 "Save %s in file:" filename
3286 gnus-file-save-name gnus-newsgroup-name
3287 gnus-current-headers 'gnus-newsgroup-last-file))
3288 (gnus-eval-in-buffer-window gnus-save-article-buffer
3292 (when (and overwrite
3293 (file-exists-p filename))
3294 (delete-file filename))
3295 (gnus-output-to-file filename))))
3298 (defun gnus-summary-write-to-file (&optional filename)
3299 "Write this article to a file, overwriting it if the file exists.
3300 Optional argument FILENAME specifies file name.
3301 The directory to save in defaults to `gnus-article-save-directory'."
3302 (gnus-summary-save-in-file nil t))
3304 (defun gnus-summary-save-body-in-file (&optional filename)
3305 "Append this article body to a file.
3306 Optional argument FILENAME specifies file name.
3307 The directory to save in defaults to `gnus-article-save-directory'."
3308 (setq filename (gnus-read-save-file-name
3309 "Save %s body in file:" filename
3310 gnus-file-save-name gnus-newsgroup-name
3311 gnus-current-headers 'gnus-newsgroup-last-file))
3312 (gnus-eval-in-buffer-window gnus-save-article-buffer
3316 (when (article-goto-body)
3317 (narrow-to-region (point) (point-max)))
3318 (gnus-output-to-file filename))))
3321 (defun gnus-summary-save-in-pipe (&optional command)
3322 "Pipe this article to subprocess."
3324 (cond ((and (eq command 'default)
3325 gnus-last-shell-command)
3326 gnus-last-shell-command)
3331 "Shell command on %s: "
3332 (if (and gnus-number-of-articles-to-be-saved
3333 (> gnus-number-of-articles-to-be-saved 1))
3334 (format "these %d articles"
3335 gnus-number-of-articles-to-be-saved)
3337 gnus-last-shell-command))))
3338 (when (string-equal command "")
3339 (if gnus-last-shell-command
3340 (setq command gnus-last-shell-command)
3341 (error "A command is required")))
3342 (gnus-eval-in-buffer-window gnus-article-buffer
3345 (shell-command-on-region (point-min) (point-max) command nil)))
3346 (setq gnus-last-shell-command command))
3348 (defun gnus-summary-pipe-to-muttprint (&optional command)
3349 "Pipe this article to muttprint."
3350 (setq command (read-string
3351 "Print using command: " gnus-summary-muttprint-program
3352 nil gnus-summary-muttprint-program))
3353 (gnus-summary-save-in-pipe command))
3355 ;;; Article file names when saving.
3357 (defun gnus-capitalize-newsgroup (newsgroup)
3358 "Capitalize NEWSGROUP name."
3359 (when (not (zerop (length newsgroup)))
3360 (concat (char-to-string (upcase (aref newsgroup 0)))
3361 (substring newsgroup 1))))
3363 (defun gnus-Numeric-save-name (newsgroup headers &optional last-file)
3364 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3365 If variable `gnus-use-long-file-name' is non-nil, it is ~/News/News.group/num.
3366 Otherwise, it is like ~/News/news/group/num."
3369 (concat (if (gnus-use-long-file-name 'not-save)
3370 (gnus-capitalize-newsgroup newsgroup)
3371 (gnus-newsgroup-directory-form newsgroup))
3372 "/" (int-to-string (mail-header-number headers)))
3373 gnus-article-save-directory)))
3375 (string-equal (file-name-directory default)
3376 (file-name-directory last-file))
3377 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
3379 (or last-file default))))
3381 (defun gnus-numeric-save-name (newsgroup headers &optional last-file)
3382 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3383 If variable `gnus-use-long-file-name' is non-nil, it is
3384 ~/News/news.group/num. Otherwise, it is like ~/News/news/group/num."
3387 (concat (if (gnus-use-long-file-name 'not-save)
3389 (gnus-newsgroup-directory-form newsgroup))
3390 "/" (int-to-string (mail-header-number headers)))
3391 gnus-article-save-directory)))
3393 (string-equal (file-name-directory default)
3394 (file-name-directory last-file))
3395 (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
3397 (or last-file default))))
3399 (defun gnus-plain-save-name (newsgroup headers &optional last-file)
3400 "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
3401 If variable `gnus-use-long-file-name' is non-nil, it is
3402 ~/News/news.group. Otherwise, it is like ~/News/news/group/news."
3405 (if (gnus-use-long-file-name 'not-save)
3408 (expand-file-name "news" (gnus-newsgroup-directory-form newsgroup))
3410 gnus-article-save-directory)))
3412 (defun gnus-sender-save-name (newsgroup headers &optional last-file)
3413 "Generate file name from sender."
3414 (let ((from (mail-header-from headers)))
3416 (if (and from (string-match "\\([^ <]+\\)@" from))
3417 (match-string 1 from)
3419 gnus-article-save-directory)))
3421 (defun article-verify-x-pgp-sig ()
3424 (if (gnus-buffer-live-p gnus-original-article-buffer)
3425 (let ((sig (with-current-buffer gnus-original-article-buffer
3426 (gnus-fetch-field "X-PGP-Sig")))
3430 (mml2015-clear-verify-function))
3432 (insert-buffer-substring gnus-original-article-buffer)
3433 (setq items (split-string sig))
3434 (message-narrow-to-head)
3435 (let ((inhibit-point-motion-hooks t)
3436 (case-fold-search t))
3437 ;; Don't verify multiple headers.
3438 (setq headers (mapconcat (lambda (header)
3440 (mail-fetch-field header)
3442 (split-string (nth 1 items) ",") "")))
3443 (delete-region (point-min) (point-max))
3444 (insert "-----BEGIN PGP SIGNED MESSAGE-----\n\n")
3445 (insert "X-Signed-Headers: " (nth 1 items) "\n")
3450 (if (looking-at "^-")
3453 (insert "\n-----BEGIN PGP SIGNATURE-----\n")
3454 (insert "Version: " (car items) "\n\n")
3455 (insert (mapconcat 'identity (cddr items) "\n"))
3456 (insert "\n-----END PGP SIGNATURE-----\n")
3457 (let ((mm-security-handle (list (format "multipart/signed"))))
3458 (mml2015-clean-buffer)
3459 (let ((coding-system-for-write (or gnus-newsgroup-charset
3461 (funcall (mml2015-clear-verify-function)))
3463 (or (mm-handle-multipart-ctl-parameter
3464 mm-security-handle 'gnus-details)
3465 (mm-handle-multipart-ctl-parameter
3466 mm-security-handle 'gnus-info)))))
3468 (let ((inhibit-read-only t) bface eface)
3470 (message-narrow-to-head)
3471 (goto-char (point-max))
3473 (setq bface (get-text-property (point-at-bol) 'face)
3474 eface (get-text-property (1- (point-at-eol)) 'face))
3475 (message-remove-header "X-Gnus-PGP-Verify")
3476 (if (re-search-forward "^X-PGP-Sig:" nil t)
3478 (goto-char (point-max)))
3479 (narrow-to-region (point) (point))
3480 (insert "X-Gnus-PGP-Verify: " info "\n")
3481 (goto-char (point-min))
3484 (if (not (looking-at "^[ \t]"))
3488 (goto-char (point-min))
3489 (when (looking-at "\\([^:]+\\): *")
3490 (put-text-property (match-beginning 1) (1+ (match-end 1))
3492 (put-text-property (match-end 0) (point-max)
3493 'face eface)))))))))
3495 (defun article-verify-cancel-lock ()
3496 "Verify Cancel-Lock header."
3498 (if (gnus-buffer-live-p gnus-original-article-buffer)
3499 (canlock-verify gnus-original-article-buffer)))
3506 (setq afunc (car func)
3509 gfunc (intern (format "gnus-%s" func))))
3511 (when (fboundp afunc)
3512 `(lambda (&optional interactive &rest args)
3513 ,(documentation afunc t)
3514 (interactive (list t))
3516 (set-buffer gnus-article-buffer)
3518 (call-interactively ',afunc)
3519 (apply ',afunc args))))))))
3520 '(article-hide-headers
3521 article-verify-x-pgp-sig
3522 article-verify-cancel-lock
3523 article-hide-boring-headers
3524 article-treat-overstrike
3525 article-treat-ansi-sequences
3526 article-fill-long-lines
3527 article-capitalize-sentences
3529 article-remove-leading-whitespace
3530 article-display-x-face
3531 article-display-face
3532 article-de-quoted-unreadable
3533 article-de-base64-unreadable
3536 article-unsplit-urls
3537 article-hide-list-identifiers
3538 article-strip-banner
3541 article-hide-signature
3542 article-strip-headers-in-body
3543 article-remove-trailing-blank-lines
3544 article-strip-leading-blank-lines
3545 article-strip-multiple-blank-lines
3546 article-strip-leading-space
3547 article-strip-trailing-space
3548 article-strip-blank-lines
3549 article-strip-all-blank-lines
3551 article-date-english
3552 article-date-iso8601
3553 article-date-original
3555 article-decode-mime-words
3556 article-decode-charset
3557 article-decode-encoded-words
3561 article-treat-dumbquotes
3562 article-normalize-headers
3563 ;; (article-show-all . gnus-article-show-all-headers)
3567 ;;; Gnus article mode
3570 (put 'gnus-article-mode 'mode-class 'special)
3572 (set-keymap-parent gnus-article-mode-map widget-keymap)
3574 (gnus-define-keys gnus-article-mode-map
3575 " " gnus-article-goto-next-page
3576 "\177" gnus-article-goto-prev-page
3577 [delete] gnus-article-goto-prev-page
3578 [backspace] gnus-article-goto-prev-page
3579 "\C-c^" gnus-article-refer-article
3580 "h" gnus-article-show-summary
3581 "s" gnus-article-show-summary
3582 "\C-c\C-m" gnus-article-mail
3583 "?" gnus-article-describe-briefly
3584 "e" gnus-summary-edit-article
3585 "<" beginning-of-buffer
3587 "\C-c\C-i" gnus-info-find-node
3589 "R" gnus-article-reply-with-original
3590 "F" gnus-article-followup-with-original
3591 "\C-hk" gnus-article-describe-key
3592 "\C-hc" gnus-article-describe-key-briefly
3594 "\C-d" gnus-article-read-summary-keys
3595 "\M-*" gnus-article-read-summary-keys
3596 "\M-#" gnus-article-read-summary-keys
3597 "\M-^" gnus-article-read-summary-keys
3598 "\M-g" gnus-article-read-summary-keys)
3600 (substitute-key-definition
3601 'undefined 'gnus-article-read-summary-keys gnus-article-mode-map)
3603 (defun gnus-article-make-menu-bar ()
3604 (unless (boundp 'gnus-article-commands-menu)
3605 (gnus-summary-make-menu-bar))
3606 (gnus-turn-off-edit-menu 'article)
3607 (unless (boundp 'gnus-article-article-menu)
3609 gnus-article-article-menu gnus-article-mode-map ""
3611 ["Scroll forwards" gnus-article-goto-next-page t]
3612 ["Scroll backwards" gnus-article-goto-prev-page t]
3613 ["Show summary" gnus-article-show-summary t]
3614 ["Fetch Message-ID at point" gnus-article-refer-article t]
3615 ["Mail to address at point" gnus-article-mail t]
3616 ["Send a bug report" gnus-bug t]))
3619 gnus-article-treatment-menu gnus-article-mode-map ""
3620 ;; Fixme: this should use :active (and maybe :visible).
3622 ["Hide headers" gnus-article-hide-headers t]
3623 ["Hide signature" gnus-article-hide-signature t]
3624 ["Hide citation" gnus-article-hide-citation t]
3625 ["Treat overstrike" gnus-article-treat-overstrike t]
3626 ["Treat ANSI sequences" gnus-article-treat-ansi-sequences t]
3627 ["Remove carriage return" gnus-article-remove-cr t]
3628 ["Remove leading whitespace" gnus-article-remove-leading-whitespace t]
3629 ["Remove quoted-unreadable" gnus-article-de-quoted-unreadable t]
3630 ["Remove base64" gnus-article-de-base64-unreadable t]
3631 ["Treat html" gnus-article-wash-html t]
3632 ["Remove newlines from within URLs" gnus-article-unsplit-urls t]
3633 ["Decode HZ" gnus-article-decode-HZ t]))
3635 ;; Note "Commands" menu is defined in gnus-sum.el for consistency
3637 ;; Note "Post" menu is defined in gnus-sum.el for consistency
3639 (gnus-run-hooks 'gnus-article-menu-hook)))
3641 (defun gnus-article-mode ()
3642 "Major mode for displaying an article.
3644 All normal editing commands are switched off.
3646 The following commands are available in addition to all summary mode
3648 \\<gnus-article-mode-map>
3649 \\[gnus-article-next-page]\t Scroll the article one page forwards
3650 \\[gnus-article-prev-page]\t Scroll the article one page backwards
3651 \\[gnus-article-refer-article]\t Go to the article referred to by an article id near point
3652 \\[gnus-article-show-summary]\t Display the summary buffer
3653 \\[gnus-article-mail]\t Send a reply to the address near point
3654 \\[gnus-article-describe-briefly]\t Describe the current mode briefly
3655 \\[gnus-info-find-node]\t Go to the Gnus info node"
3657 (gnus-simplify-mode-line)
3658 (setq mode-name "Article")
3659 (setq major-mode 'gnus-article-mode)
3660 (make-local-variable 'minor-mode-alist)
3661 (use-local-map gnus-article-mode-map)
3662 (when (gnus-visual-p 'article-menu 'menu)
3663 (gnus-article-make-menu-bar)
3664 (when gnus-summary-tool-bar-map
3665 (set (make-local-variable 'tool-bar-map) gnus-summary-tool-bar-map)))
3666 (gnus-update-format-specifications nil 'article-mode)
3667 (set (make-local-variable 'page-delimiter) gnus-page-delimiter)
3668 (set (make-local-variable 'gnus-page-broken) nil)
3669 (make-local-variable 'gnus-button-marker-list)
3670 (make-local-variable 'gnus-article-current-summary)
3671 (make-local-variable 'gnus-article-mime-handles)
3672 (make-local-variable 'gnus-article-decoded-p)
3673 (make-local-variable 'gnus-article-mime-handle-alist)
3674 (make-local-variable 'gnus-article-wash-types)
3675 (make-local-variable 'gnus-article-image-alist)
3676 (make-local-variable 'gnus-article-charset)
3677 (make-local-variable 'gnus-article-ignored-charsets)
3678 (gnus-set-default-directory)
3679 (buffer-disable-undo)
3680 (setq buffer-read-only t
3681 show-trailing-whitespace nil)
3682 (set-syntax-table gnus-article-mode-syntax-table)
3683 (mm-enable-multibyte)
3684 (gnus-run-hooks 'gnus-article-mode-hook))
3686 (defun gnus-article-setup-buffer ()
3687 "Initialize the article buffer."
3688 (let* ((name (if gnus-single-article-buffer "*Article*"
3689 (concat "*Article " gnus-newsgroup-name "*")))
3691 (progn (string-match "\\*Article" name)
3692 (concat " *Original Article"
3693 (substring name (match-end 0))))))
3694 (setq gnus-article-buffer name)
3695 (setq gnus-original-article-buffer original)
3696 (setq gnus-article-mime-handle-alist nil)
3697 ;; This might be a variable local to the summary buffer.
3698 (unless gnus-single-article-buffer
3700 (set-buffer gnus-summary-buffer)
3701 (setq gnus-article-buffer name)
3702 (setq gnus-original-article-buffer original)
3703 (gnus-set-global-variables)))
3704 (gnus-article-setup-highlight-words)
3705 ;; Init original article buffer.
3707 (set-buffer (gnus-get-buffer-create gnus-original-article-buffer))
3708 (mm-enable-multibyte)
3709 (setq major-mode 'gnus-original-article-mode)
3710 (make-local-variable 'gnus-original-article))
3711 (if (get-buffer name)
3714 (when (and gnus-article-edit-mode
3717 (y-or-n-p "Article mode edit in progress; discard? ")))
3718 (error "Action aborted"))
3719 (set (make-local-variable 'gnus-article-edit-mode) nil)
3720 (when gnus-article-mime-handles
3721 (mm-destroy-parts gnus-article-mime-handles)
3722 (setq gnus-article-mime-handles nil))
3723 ;; Set it to nil in article-buffer!
3724 (setq gnus-article-mime-handle-alist nil)
3725 (buffer-disable-undo)
3726 (setq buffer-read-only t)
3727 ;; This list just keeps growing if we don't reset it.
3728 (setq gnus-button-marker-list nil)
3729 (unless (eq major-mode 'gnus-article-mode)
3730 (gnus-article-mode))
3733 (set-buffer (gnus-get-buffer-create name))
3735 (make-local-variable 'gnus-summary-buffer)
3736 (gnus-summary-set-local-parameters gnus-newsgroup-name)
3737 (current-buffer)))))
3739 ;; Set article window start at LINE, where LINE is the number of lines
3740 ;; from the head of the article.
3741 (defun gnus-article-set-window-start (&optional line)
3743 (gnus-get-buffer-window gnus-article-buffer t)
3745 (set-buffer gnus-article-buffer)
3746 (goto-char (point-min))
3749 (gnus-message 6 "Moved to bookmark")
3750 (search-forward "\n\n" nil t)
3754 (defun gnus-article-prepare (article &optional all-headers header)
3755 "Prepare ARTICLE in article mode buffer.
3756 ARTICLE should either be an article number or a Message-ID.
3757 If ARTICLE is an id, HEADER should be the article headers.
3758 If ALL-HEADERS is non-nil, no headers are hidden."
3760 ;; Make sure we start in a summary buffer.
3761 (unless (eq major-mode 'gnus-summary-mode)
3762 (set-buffer gnus-summary-buffer))
3763 (setq gnus-summary-buffer (current-buffer))
3764 (let* ((gnus-article (if header (mail-header-number header) article))
3765 (summary-buffer (current-buffer))
3766 (gnus-tmp-internal-hook gnus-article-internal-prepare-hook)
3767 (group gnus-newsgroup-name)
3770 (gnus-article-setup-buffer)
3771 (set-buffer gnus-article-buffer)
3772 ;; Deactivate active regions.
3773 (when (and (boundp 'transient-mark-mode)
3774 transient-mark-mode)
3775 (setq mark-active nil))
3776 (if (not (setq result (let ((inhibit-read-only t))
3777 (gnus-request-article-this-buffer
3779 ;; There is no such article.
3781 (when (and (numberp article)
3782 (not (memq article gnus-newsgroup-sparse)))
3783 (setq gnus-article-current
3784 (cons gnus-newsgroup-name article))
3785 (set-buffer gnus-summary-buffer)
3786 (setq gnus-current-article article)
3787 (if (and (memq article gnus-newsgroup-undownloaded)
3788 (not (gnus-online (gnus-find-method-for-group
3789 gnus-newsgroup-name))))
3791 (gnus-summary-set-agent-mark article)
3792 (message "Message marked for downloading"))
3793 (gnus-summary-mark-article article gnus-canceled-mark)
3794 (unless (memq article gnus-newsgroup-sparse)
3795 (gnus-error 1 "No such article (may have expired or been canceled)")))))
3796 (if (or (eq result 'pseudo)
3797 (eq result 'nneething))
3800 (set-buffer summary-buffer)
3801 (push article gnus-newsgroup-history)
3802 (setq gnus-last-article gnus-current-article
3803 gnus-current-article 0
3804 gnus-current-headers nil
3805 gnus-article-current nil)
3806 (if (eq result 'nneething)
3807 (gnus-configure-windows 'summary)
3808 (gnus-configure-windows 'article))
3809 (gnus-set-global-variables))
3810 (let ((gnus-article-mime-handle-alist-1
3811 gnus-article-mime-handle-alist))
3812 (gnus-set-mode-line 'article)))
3813 ;; The result from the `request' was an actual article -
3814 ;; or at least some text that is now displayed in the
3816 (when (and (numberp article)
3817 (not (eq article gnus-current-article)))
3818 ;; Seems like a new article has been selected.
3819 ;; `gnus-current-article' must be an article number.
3821 (set-buffer summary-buffer)
3822 (push article gnus-newsgroup-history)
3823 (setq gnus-last-article gnus-current-article
3824 gnus-current-article article
3825 gnus-current-headers
3826 (gnus-summary-article-header gnus-current-article)
3827 gnus-article-current
3828 (cons gnus-newsgroup-name gnus-current-article))
3829 (unless (vectorp gnus-current-headers)
3830 (setq gnus-current-headers nil))
3831 (gnus-summary-goto-subject gnus-current-article)
3832 (when (gnus-summary-show-thread)
3833 ;; If the summary buffer really was folded, the
3834 ;; previous goto may not actually have gone to
3835 ;; the right article, but the thread root instead.
3837 (gnus-summary-goto-subject gnus-current-article))
3838 (gnus-run-hooks 'gnus-mark-article-hook)
3839 (gnus-set-mode-line 'summary)
3840 (when (gnus-visual-p 'article-highlight 'highlight)
3841 (gnus-run-hooks 'gnus-visual-mark-article-hook))
3842 ;; Set the global newsgroup variables here.
3843 (gnus-set-global-variables)
3844 (setq gnus-have-all-headers
3845 (or all-headers gnus-show-all-headers))))
3847 (gnus-configure-windows 'article))
3848 (when (or (numberp article)
3850 (gnus-article-prepare-display)
3852 (goto-char (point-min))
3853 (when gnus-break-pages
3854 (gnus-narrow-to-page)))
3855 (let ((gnus-article-mime-handle-alist-1
3856 gnus-article-mime-handle-alist))
3857 (gnus-set-mode-line 'article))
3861 (set-window-point (get-buffer-window (current-buffer)) (point))
3862 (gnus-configure-windows 'article)
3866 (defun gnus-article-prepare-display ()
3867 "Make the current buffer look like a nice article."
3868 ;; Hooks for getting information from the article.
3869 ;; This hook must be called before being narrowed.
3870 (let ((gnus-article-buffer (current-buffer))
3872 (inhibit-read-only t))
3873 (unless (eq major-mode 'gnus-article-mode)
3874 (gnus-article-mode))
3875 (setq buffer-read-only nil
3876 gnus-article-wash-types nil
3877 gnus-article-image-alist nil)
3878 (gnus-run-hooks 'gnus-tmp-internal-hook)
3879 (when gnus-display-mime-function
3880 (funcall gnus-display-mime-function))
3881 (gnus-run-hooks 'gnus-article-prepare-hook)))
3884 ;;; Gnus MIME viewing functions
3887 (defvar gnus-mime-button-line-format "%{%([%p. %d%T]%)%}%e\n"
3888 "Format of the MIME buttons.
3890 Valid specifiers include:
3892 %T MIME type, along with additional info
3893 %n The `name' parameter
3894 %d The description, if any
3895 %l The length of the encoded part
3896 %p The part identifier number
3897 %e Dots if the part isn't displayed
3899 General format specifiers can also be used. See Info node
3900 `(gnus)Formatting Variables'.")
3902 (defvar gnus-mime-button-line-format-alist
3903 '((?t gnus-tmp-type ?s)
3904 (?T gnus-tmp-type-long ?s)
3905 (?n gnus-tmp-name ?s)
3906 (?d gnus-tmp-description ?s)
3908 (?l gnus-tmp-length ?d)
3909 (?e gnus-tmp-dots ?s)))
3911 (defvar gnus-mime-button-commands
3912 '((gnus-article-press-button "\r" "Toggle Display")
3913 (gnus-mime-view-part "v" "View Interactively...")
3914 (gnus-mime-view-part-as-type "t" "View As Type...")
3915 (gnus-mime-view-part-as-charset "C" "View As charset...")
3916 (gnus-mime-save-part "o" "Save...")
3917 (gnus-mime-save-part-and-strip "\C-o" "Save and Strip")
3918 (gnus-mime-delete-part "d" "Delete part")
3919 (gnus-mime-copy-part "c" "View As Text, In Other Buffer")
3920 (gnus-mime-inline-part "i" "View As Text, In This Buffer")
3921 (gnus-mime-view-part-internally "E" "View Internally")
3922 (gnus-mime-view-part-externally "e" "View Externally")
3923 (gnus-mime-print-part "p" "Print")
3924 (gnus-mime-pipe-part "|" "Pipe To Command...")
3925 (gnus-mime-action-on-part "." "Take action on the part...")))
3927 (defun gnus-article-mime-part-status ()
3928 (if gnus-article-mime-handle-alist-1
3929 (if (eq 1 (length gnus-article-mime-handle-alist-1))
3931 (format " (%d parts)" (length gnus-article-mime-handle-alist-1)))
3934 (defvar gnus-mime-button-map
3935 (let ((map (make-sparse-keymap)))
3936 (define-key map gnus-mouse-2 'gnus-article-push-button)
3937 (define-key map gnus-down-mouse-3 'gnus-mime-button-menu)
3938 (dolist (c gnus-mime-button-commands)
3939 (define-key map (cadr c) (car c)))
3943 gnus-mime-button-menu gnus-mime-button-map "MIME button menu."
3945 ,@(mapcar (lambda (c)
3946 (vector (caddr c) (car c) :enable t))
3947 gnus-mime-button-commands)))
3949 (defun gnus-mime-button-menu (event prefix)
3950 "Construct a context-sensitive menu of MIME commands."
3951 (interactive "e\nP")
3952 (save-window-excursion
3953 (let ((pos (event-start event)))
3954 (select-window (posn-window pos))
3955 (goto-char (posn-point pos))
3956 (gnus-article-check-buffer)
3957 (popup-menu gnus-mime-button-menu nil prefix))))
3959 (defun gnus-mime-view-all-parts (&optional handles)
3960 "View all the MIME parts."
3962 (with-current-buffer gnus-article-buffer
3963 (let ((handles (or handles gnus-article-mime-handles))
3964 (mail-parse-charset gnus-newsgroup-charset)
3965 (mail-parse-ignored-charsets
3966 (with-current-buffer gnus-summary-buffer
3967 gnus-newsgroup-ignored-charsets)))
3969 (mm-remove-parts handles)
3970 (goto-char (point-min))
3971 (or (search-forward "\n\n") (goto-char (point-max)))
3972 (let ((inhibit-read-only t))
3973 (delete-region (point) (point-max))
3974 (mm-display-parts handles))))))
3977 (defsubst gnus-article-edit-part (handles)
3978 "Edit an article in order to delete a mime part.
3979 This function is exclusively used by `gnus-mime-save-part-and-strip'
3980 and `gnus-mime-delete-part', and not provided at run-time normally."
3981 (gnus-article-edit-article
3984 (let ((mail-parse-charset (or gnus-article-charset
3985 ',gnus-newsgroup-charset))
3986 (mail-parse-ignored-charsets
3987 (or gnus-article-ignored-charsets
3988 ',gnus-newsgroup-ignored-charsets))
3989 (mbl mml-buffer-list))
3990 (setq mml-buffer-list nil)
3991 (insert-buffer gnus-original-article-buffer)
3992 (mime-to-mml ',handles)
3993 (setq gnus-article-mime-handles nil)
3994 (let ((mbl1 mml-buffer-list))
3995 (setq mml-buffer-list mbl)
3996 (set (make-local-variable 'mml-buffer-list) mbl1))
3997 (gnus-make-local-hook 'kill-buffer-hook)
3998 (add-hook 'kill-buffer-hook 'mml-destroy-buffers t t)))
3999 `(lambda (no-highlight)
4000 (let ((mail-parse-charset (or gnus-article-charset
4001 ',gnus-newsgroup-charset))
4002 (message-options message-options)
4003 (message-options-set-recipient)
4004 (mail-parse-ignored-charsets
4005 (or gnus-article-ignored-charsets
4006 ',gnus-newsgroup-ignored-charsets)))
4008 (mml-destroy-buffers)
4009 (remove-hook 'kill-buffer-hook
4010 'mml-destroy-buffers t)
4011 (kill-local-variable 'mml-buffer-list))
4012 (gnus-summary-edit-article-done
4013 ,(or (mail-header-references gnus-current-headers) "")
4014 ,(gnus-group-read-only-p)
4015 ,gnus-summary-buffer no-highlight)))
4016 (gnus-article-edit-done)
4017 (gnus-summary-expand-window)
4018 (gnus-summary-show-article)))
4020 (defun gnus-mime-save-part-and-strip ()
4021 "Save the MIME part under point then replace it with an external body."
4023 (gnus-article-check-buffer)
4024 (when (gnus-group-read-only-p)
4025 (error "The current group does not support deleting of parts"))
4026 (when (mm-complicated-handles gnus-article-mime-handles)
4028 The current article has a complicated MIME structure, giving up..."))
4029 (when (gnus-yes-or-no-p "\
4030 Deleting parts may malfunction or destroy the article; continue? ")
4031 (let* ((data (get-text-property (point) 'gnus-data))
4033 (handles gnus-article-mime-handles))
4034 (setq file (and data (mm-save-part data)))
4036 (with-current-buffer (mm-handle-buffer data)
4038 (insert "Content-Type: " (mm-handle-media-type data))
4039 (mml-insert-parameter-string (cdr (mm-handle-type data))
4042 (insert "Content-ID: " (message-make-message-id) "\n")
4043 (insert "Content-Transfer-Encoding: binary\n")
4046 (cdr (mm-make-handle nil
4047 `("message/external-body"
4048 (access-type . "LOCAL-FILE")
4050 (set-buffer gnus-summary-buffer)
4051 (gnus-article-edit-part handles)))))
4053 (defun gnus-mime-delete-part ()
4054 "Delete the MIME part under point.
4055 Replace it with some information about the removed part."
4057 (gnus-article-check-buffer)
4058 (when (gnus-group-read-only-p)
4059 (error "The current group does not support deleting of parts"))
4060 (when (mm-complicated-handles gnus-article-mime-handles)
4062 The current article has a complicated MIME structure, giving up..."))
4063 (when (gnus-yes-or-no-p "\
4064 Deleting parts may malfunction or destroy the article; continue? ")
4065 (let* ((data (get-text-property (point) 'gnus-data))
4066 (handles gnus-article-mime-handles)
4070 (mail-decode-encoded-word-string (or (mm-handle-description data)
4073 (or (mail-content-type-get (mm-handle-disposition data) 'filename)
4075 (type (mm-handle-media-type data)))
4077 (error "No MIME part under point"))
4078 (with-current-buffer (mm-handle-buffer data)
4079 (let ((bsize (format "%s" (buffer-size))))
4084 "| The following attachment has been deleted:\n"
4086 "| Type: " type "\n"
4087 "| Filename: " filename "\n"
4088 "| Size (encoded): " bsize " Byte\n"
4089 "| Description: " description "\n"
4092 (cdr (mm-make-handle
4093 nil `("text/plain") nil nil
4095 (format "Deleted attachment (%s bytes)" bsize))))))
4096 (set-buffer gnus-summary-buffer)
4097 (gnus-article-edit-part handles))))
4099 (defun gnus-mime-save-part ()
4100 "Save the MIME part under point."
4102 (gnus-article-check-buffer)
4103 (let ((data (get-text-property (point) 'gnus-data)))
4105 (mm-save-part data))))
4107 (defun gnus-mime-pipe-part ()
4108 "Pipe the MIME part under point to a process."
4110 (gnus-article-check-buffer)
4111 (let ((data (get-text-property (point) 'gnus-data)))
4113 (mm-pipe-part data))))
4115 (defun gnus-mime-view-part ()
4116 "Interactively choose a viewing method for the MIME part under point."
4118 (gnus-article-check-buffer)
4119 (let ((data (get-text-property (point) 'gnus-data)))
4121 (setq gnus-article-mime-handles
4123 gnus-article-mime-handles (setq data (copy-sequence data))))
4124 (mm-interactively-view-part data))))
4126 (defun gnus-mime-view-part-as-type-internal ()
4127 (gnus-article-check-buffer)
4128 (let* ((name (mail-content-type-get
4129 (mm-handle-type (get-text-property (point) 'gnus-data))
4131 (def-type (and name (mm-default-file-encoding name))))
4132 (and def-type (cons def-type 0))))
4134 (defun gnus-mime-view-part-as-type (&optional mime-type)
4135 "Choose a MIME media type, and view the part as such."
4138 (setq mime-type (completing-read
4139 "View as MIME type: "
4140 (mapcar #'list (mailcap-mime-types))
4142 (gnus-mime-view-part-as-type-internal))))
4143 (gnus-article-check-buffer)
4144 (let ((handle (get-text-property (point) 'gnus-data)))
4147 (mm-make-handle (mm-handle-buffer handle)
4148 (cons mime-type (cdr (mm-handle-type handle)))
4149 (mm-handle-encoding handle)
4150 (mm-handle-undisplayer handle)
4151 (mm-handle-disposition handle)
4152 (mm-handle-description handle)
4154 (mm-handle-id handle)))
4155 (setq gnus-article-mime-handles
4156 (mm-merge-handles gnus-article-mime-handles handle))
4157 (gnus-mm-display-part handle))))
4160 (require 'jka-compr))
4162 ;; jka-compr.el uses a "sh -c" to direct stderr to err-file, but these days
4163 ;; emacs can do that itself.
4165 (defun gnus-mime-jka-compr-maybe-uncompress ()
4166 "Uncompress the current buffer if `auto-compression-mode' is enabled.
4167 The uncompress method used is derived from `buffer-file-name'."
4168 (when (and (fboundp 'jka-compr-installed-p)
4169 (jka-compr-installed-p))
4170 (let ((info (jka-compr-get-compression-info buffer-file-name)))
4172 (let ((basename (file-name-nondirectory buffer-file-name))
4173 (args (jka-compr-info-uncompress-args info))
4174 (prog (jka-compr-info-uncompress-program info))
4175 (message (jka-compr-info-uncompress-message info))
4176 (err-file (jka-compr-make-temp-name)))
4178 (message "%s %s..." message basename))
4180 (unless (memq (apply 'call-process-region
4181 (point-min) (point-max)
4183 t (list t err-file) nil
4185 jka-compr-acceptable-retval-list)
4186 (jka-compr-error prog args basename message err-file))
4187 (jka-compr-delete-temp-file err-file)))))))
4189 (defun gnus-mime-copy-part (&optional handle)
4190 "Put the MIME part under point into a new buffer.
4191 If `auto-compression-mode' is enabled, compressed files like .gz and .bz2
4194 (gnus-article-check-buffer)
4195 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4196 (contents (and handle (mm-get-part handle)))
4198 (file-name-nondirectory
4200 (mail-content-type-get (mm-handle-type handle) 'name)
4201 (mail-content-type-get (mm-handle-disposition handle)
4204 (buffer (and base (generate-new-buffer base))))
4206 (switch-to-buffer buffer)
4208 ;; We do it this way to make `normal-mode' set the appropriate mode.
4211 (setq buffer-file-name (expand-file-name base))
4212 (gnus-mime-jka-compr-maybe-uncompress)
4214 (setq buffer-file-name nil))
4215 (goto-char (point-min)))))
4217 (defun gnus-mime-print-part (&optional handle filename)
4218 "Print the MIME part under point."
4219 (interactive (list nil (ps-print-preprint current-prefix-arg)))
4220 (gnus-article-check-buffer)
4221 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4222 (contents (and handle (mm-get-part handle)))
4223 (file (mm-make-temp-file (expand-file-name "mm." mm-tmp-directory)))
4224 (printer (mailcap-mime-info (mm-handle-media-type handle) "print")))
4229 (mm-save-part-to-file handle file)
4230 (call-process shell-file-name nil
4231 (generate-new-buffer " *mm*")
4233 shell-command-switch
4235 printer file (mm-handle-type handle))))
4239 (gnus-print-buffer))
4240 (ps-despool filename)))))
4242 (defun gnus-mime-inline-part (&optional handle arg)
4243 "Insert the MIME part under point into the current buffer."
4244 (interactive (list nil current-prefix-arg))
4245 (gnus-article-check-buffer)
4246 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4249 (inhibit-read-only t))
4251 (if (and (not arg) (mm-handle-undisplayer handle))
4252 (mm-remove-part handle)
4253 (setq contents (mm-get-part handle))
4256 (setq charset (or (mail-content-type-get
4257 (mm-handle-type handle) 'charset)
4258 gnus-newsgroup-charset)))
4260 (if (mm-handle-undisplayer handle)
4261 (mm-remove-part handle))
4264 gnus-summary-show-article-charset-alist))
4265 (mm-read-coding-system "Charset: ")))))
4267 (mm-insert-inline handle
4269 (setq charset (mm-charset-to-coding-system
4271 (not (eq charset 'ascii)))
4272 (mm-decode-coding-string contents charset)
4276 (defun gnus-mime-view-part-as-charset (&optional handle arg)
4277 "Insert the MIME part under point into the current buffer using the
4279 (interactive (list nil current-prefix-arg))
4280 (gnus-article-check-buffer)
4281 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4284 (inhibit-read-only t))
4286 (if (mm-handle-undisplayer handle)
4287 (mm-remove-part handle))
4288 (let ((gnus-newsgroup-charset
4290 gnus-summary-show-article-charset-alist))
4291 (mm-read-coding-system "Charset: ")))
4292 (gnus-newsgroup-ignored-charsets 'gnus-all))
4293 (gnus-article-press-button)))))
4295 (defun gnus-mime-view-part-externally (&optional handle)
4296 "View the MIME part under point with an external viewer."
4298 (gnus-article-check-buffer)
4299 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4300 (mm-user-display-methods nil)
4301 (mm-inlined-types nil)
4302 (mail-parse-charset gnus-newsgroup-charset)
4303 (mail-parse-ignored-charsets
4304 (with-current-buffer gnus-summary-buffer
4305 gnus-newsgroup-ignored-charsets)))
4307 (if (mm-handle-undisplayer handle)
4308 (mm-remove-part handle)
4309 (mm-display-part handle)))))
4311 (defun gnus-mime-view-part-internally (&optional handle)
4312 "View the MIME part under point with an internal viewer.
4313 If no internal viewer is available, use an external viewer."
4315 (gnus-article-check-buffer)
4316 (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
4317 (mm-inlined-types '(".*"))
4318 (mm-inline-large-images t)
4319 (mail-parse-charset gnus-newsgroup-charset)
4320 (mail-parse-ignored-charsets
4321 (with-current-buffer gnus-summary-buffer
4322 gnus-newsgroup-ignored-charsets))
4323 (inhibit-read-only t))
4325 (if (mm-handle-undisplayer handle)
4326 (mm-remove-part handle)
4327 (mm-display-part handle)))))
4329 (defun gnus-mime-action-on-part (&optional action)
4330 "Do something with the MIME attachment at \(point\)."
4332 (list (completing-read "Action: " gnus-mime-action-alist nil t)))
4333 (gnus-article-check-buffer)
4334 (let ((action-pair (assoc action gnus-mime-action-alist)))
4336 (funcall (cdr action-pair)))))
4338 (defun gnus-article-part-wrapper (n function)
4339 (with-current-buffer gnus-article-buffer
4340 (when (> n (length gnus-article-mime-handle-alist))
4341 (error "No such part"))
4342 (gnus-article-goto-part n)
4343 (let ((handle (cdr (assq n gnus-article-mime-handle-alist))))
4344 (funcall function handle))))
4346 (defun gnus-article-pipe-part (n)
4347 "Pipe MIME part N, which is the numerical prefix."
4349 (gnus-article-part-wrapper n 'mm-pipe-part))
4351 (defun gnus-article-save-part (n)
4352 "Save MIME part N, which is the numerical prefix."
4354 (gnus-article-part-wrapper n 'mm-save-part))
4356 (defun gnus-article-interactively-view-part (n)
4357 "View MIME part N interactively, which is the numerical prefix."
4359 (gnus-article-part-wrapper n 'mm-interactively-view-part))
4361 (defun gnus-article-copy-part (n)
4362 "Copy MIME part N, which is the numerical prefix."
4364 (gnus-article-part-wrapper n 'gnus-mime-copy-part))
4366 (defun gnus-article-view-part-as-charset (n)
4367 "View MIME part N using a specified charset.
4368 N is the numerical prefix."
4370 (gnus-article-part-wrapper n 'gnus-mime-view-part-as-charset))
4372 (defun gnus-article-view-part-externally (n)
4373 "View MIME part N externally, which is the numerical prefix."
4375 (gnus-article-part-wrapper n 'gnus-mime-view-part-externally))
4377 (defun gnus-article-inline-part (n)
4378 "Inline MIME part N, which is the numerical prefix."
4380 (gnus-article-part-wrapper n 'gnus-mime-inline-part))
4382 (defun gnus-article-mime-match-handle-first (condition)
4385 (dolist (ihandle gnus-article-mime-handle-alist)
4387 ((functionp condition)
4388 (funcall condition (cdr ihandle)))
4389 ((eq condition 'undisplayed)
4390 (not (or (mm-handle-undisplayer (cdr ihandle))
4391 (equal (mm-handle-media-type (cdr ihandle))
4392 "multipart/alternative"))))
4393 ((eq condition 'undisplayed-alternative)
4394 (not (mm-handle-undisplayer (cdr ihandle))))
4396 (gnus-article-goto-part (car ihandle))
4397 (or (not n) (< (car ihandle) n)))
4398 (setq n (car ihandle))))
4402 (defun gnus-article-view-part (&optional n)
4403 "View MIME part N, which is the numerical prefix."
4405 (with-current-buffer gnus-article-buffer
4406 (or (numberp n) (setq n (gnus-article-mime-match-handle-first
4407 gnus-article-mime-match-handle-function)))
4408 (when (> n (length gnus-article-mime-handle-alist))
4409 (error "No such part"))
4410 (let ((handle (cdr (assq n gnus-article-mime-handle-alist))))
4411 (when (gnus-article-goto-part n)
4412 (if (equal (car handle) "multipart/alternative")
4413 (gnus-article-press-button)
4414 (when (eq (gnus-mm-display-part handle) 'internal)
4415 (gnus-set-window-start)))))))
4417 (defsubst gnus-article-mime-total-parts ()
4418 (if (bufferp (car gnus-article-mime-handles))
4420 (1- (length gnus-article-mime-handles))))
4422 (defun gnus-mm-display-part (handle)
4423 "Display HANDLE and fix MIME button."
4424 (let ((id (get-text-property (point) 'gnus-part))
4426 (inhibit-read-only t))
4429 (let ((window (selected-window))
4430 (mail-parse-charset gnus-newsgroup-charset)
4431 (mail-parse-ignored-charsets
4432 (if (gnus-buffer-live-p gnus-summary-buffer)
4433 (with-current-buffer gnus-summary-buffer
4434 gnus-newsgroup-ignored-charsets)
4438 (let ((win (gnus-get-buffer-window (current-buffer) t))
4441 (select-window win))
4444 (if (mm-handle-displayed-p handle)
4445 ;; This will remove the part.
4446 (mm-display-part handle)
4448 (narrow-to-region (point)
4449 (if (eobp) (point) (1+ (point))))
4450 (mm-display-part handle)
4451 ;; We narrow to the part itself and
4452 ;; then call the treatment functions.
4453 (goto-char (point-min))
4455 (narrow-to-region (point) (point-max))
4458 (gnus-article-mime-total-parts)
4459 (mm-handle-media-type handle)))))
4460 (if (window-live-p window)
4461 (select-window window)))))
4464 (gnus-insert-mime-button
4465 handle id (list (mm-handle-displayed-p handle)))
4466 (goto-char point))))
4468 (defun gnus-article-goto-part (n)
4469 "Go to MIME part N."
4470 (gnus-goto-char (text-property-any (point-min) (point-max) 'gnus-part n)))
4472 (defun gnus-insert-mime-button (handle gnus-tmp-id &optional displayed)
4473 (let ((gnus-tmp-name
4474 (or (mail-content-type-get (mm-handle-type handle) 'name)
4475 (mail-content-type-get (mm-handle-disposition handle) 'filename)
4476 (mail-content-type-get (mm-handle-type handle) 'url)
4478 (gnus-tmp-type (mm-handle-media-type handle))
4479 (gnus-tmp-description
4480 (mail-decode-encoded-word-string (or (mm-handle-description handle)
4483 (if (if displayed (car displayed)
4484 (mm-handle-displayed-p handle))
4486 (gnus-tmp-length (with-current-buffer (mm-handle-buffer handle)
4488 gnus-tmp-type-long b e)
4489 (when (string-match ".*/" gnus-tmp-name)
4490 (setq gnus-tmp-name (replace-match "" t t gnus-tmp-name)))
4491 (setq gnus-tmp-type-long (concat gnus-tmp-type
4492 (and (not (equal gnus-tmp-name ""))
4493 (concat "; " gnus-tmp-name))))
4494 (unless (equal gnus-tmp-description "")
4495 (setq gnus-tmp-type-long (concat " --- " gnus-tmp-type-long)))
4500 gnus-mime-button-line-format gnus-mime-button-line-format-alist
4501 `(keymap ,gnus-mime-button-map
4502 gnus-callback gnus-mm-display-part
4503 gnus-part ,gnus-tmp-id
4504 article-type annotation
4507 ;; Exclude a newline.
4510 (widget-convert-button
4513 :action 'gnus-widget-press-button
4514 :button-keymap gnus-mime-button-map
4516 (lambda (widget/window &optional overlay pos)
4517 ;; Needed to properly clear the message due to a bug in
4518 ;; wid-edit (XEmacs only).
4519 (if (boundp 'help-echo-owns-message)
4520 (setq help-echo-owns-message t))
4522 "%S: %s the MIME part; %S: more options"
4523 (aref gnus-mouse-2 0)
4524 ;; XEmacs will get a single widget arg; Emacs 21 will get
4525 ;; window, overlay, position.
4526 (if (mm-handle-displayed-p
4528 (with-current-buffer (gnus-overlay-buffer overlay)
4529 (widget-get (widget-at (gnus-overlay-start overlay))
4531 (widget-get widget/window :mime-handle)))
4533 (aref gnus-down-mouse-3 0))))))
4535 (defun gnus-widget-press-button (elems el)
4536 (goto-char (widget-get elems :from))
4537 (gnus-article-press-button))
4539 (defvar gnus-displaying-mime nil)
4541 (defun gnus-display-mime (&optional ihandles)
4542 "Display the MIME parts."
4544 (save-selected-window
4545 (let ((window (get-buffer-window gnus-article-buffer))
4548 (select-window window)
4549 ;; We have to do this since selecting the window
4550 ;; may change the point. So we set the window point.
4551 (set-window-point window point)))
4552 (let ((handles ihandles)
4553 (inhibit-read-only t)
4554 handle name type b e display)
4556 ((setq handles (mm-dissect-buffer nil gnus-article-loose-mime))
4557 (when gnus-article-emulate-mime
4558 (mm-uu-dissect-text-parts handles)))
4559 (gnus-article-emulate-mime
4560 (setq handles (mm-uu-dissect))))
4561 (when (and (not ihandles)
4562 (not gnus-displaying-mime))
4563 ;; Top-level call; we clean up.
4564 (when gnus-article-mime-handles
4565 (mm-destroy-parts gnus-article-mime-handles)
4566 (setq gnus-article-mime-handle-alist nil));; A trick.
4567 (setq gnus-article-mime-handles handles)
4568 ;; We allow users to glean info from the handles.
4569 (when gnus-article-mime-part-function
4570 (gnus-mime-part-function handles)))
4572 (or (not (stringp (car handles)))
4575 (when (and (not ihandles)
4576 (not gnus-displaying-mime))
4577 ;; Clean up for mime parts.
4579 (delete-region (point) (point-max)))
4580 (let ((gnus-displaying-mime t))
4581 (gnus-mime-display-part handles)))
4584 (narrow-to-region (point) (point-max))
4585 (gnus-treat-article nil 1 1)
4588 ;; Highlight the headers.
4592 (narrow-to-region (point-min) (point))
4593 (gnus-treat-article 'head))))))))
4595 (defcustom gnus-mime-display-multipart-as-mixed nil
4596 "Display \"multipart\" parts as \"multipart/mixed\".
4598 If t, it overrides nil values of
4599 `gnus-mime-display-multipart-alternative-as-mixed' and
4600 `gnus-mime-display-multipart-related-as-mixed'."
4601 :group 'gnus-article-mime
4604 (defcustom gnus-mime-display-multipart-alternative-as-mixed nil
4605 "Display \"multipart/alternative\" parts as \"multipart/mixed\"."
4607 :group 'gnus-article-mime
4610 (defcustom gnus-mime-display-multipart-related-as-mixed nil
4611 "Display \"multipart/related\" parts as \"multipart/mixed\".
4613 If displaying \"text/html\" is discouraged \(see
4614 `mm-discouraged-alternatives'\) images or other material inside a
4615 \"multipart/related\" part might be overlooked when this variable is nil."
4617 :group 'gnus-article-mime
4620 (defun gnus-mime-display-part (handle)
4623 ((not (stringp (car handle)))
4624 (gnus-mime-display-single handle))
4625 ;; User-defined multipart
4626 ((cdr (assoc (car handle) gnus-mime-multipart-functions))
4627 (funcall (cdr (assoc (car handle) gnus-mime-multipart-functions))
4629 ;; multipart/alternative
4630 ((and (equal (car handle) "multipart/alternative")
4631 (not (or gnus-mime-display-multipart-as-mixed
4632 gnus-mime-display-multipart-alternative-as-mixed)))
4633 (let ((id (1+ (length gnus-article-mime-handle-alist))))
4634 (push (cons id handle) gnus-article-mime-handle-alist)
4635 (gnus-mime-display-alternative (cdr handle) nil nil id)))
4636 ;; multipart/related
4637 ((and (equal (car handle) "multipart/related")
4638 (not (or gnus-mime-display-multipart-as-mixed
4639 gnus-mime-display-multipart-related-as-mixed)))
4640 ;;;!!!We should find the start part, but we just default
4641 ;;;!!!to the first part.
4642 ;;(gnus-mime-display-part (cadr handle))
4643 ;;;!!! Most multipart/related is an HTML message plus images.
4644 ;;;!!! Unfortunately we are unable to let W3 display those
4645 ;;;!!! included images, so we just display it as a mixed multipart.
4646 ;;(gnus-mime-display-mixed (cdr handle))
4647 ;;;!!! No, w3 can display everything just fine.
4648 (gnus-mime-display-part (cadr handle)))
4649 ((equal (car handle) "multipart/signed")
4650 (gnus-add-wash-type 'signed)
4651 (gnus-mime-display-security handle))
4652 ((equal (car handle) "multipart/encrypted")
4653 (gnus-add-wash-type 'encrypted)
4654 (gnus-mime-display-security handle))
4655 ;; Other multiparts are handled like multipart/mixed.
4657 (gnus-mime-display-mixed (cdr handle)))))
4659 (defun gnus-mime-part-function (handles)
4660 (if (stringp (car handles))
4661 (mapcar 'gnus-mime-part-function (cdr handles))
4662 (funcall gnus-article-mime-part-function handles)))
4664 (defun gnus-mime-display-mixed (handles)
4665 (mapcar 'gnus-mime-display-part handles))
4667 (defun gnus-mime-display-single (handle)
4668 (let ((type (mm-handle-media-type handle))
4669 (ignored gnus-ignored-mime-types)
4676 (when (string-match (pop ignored) type)
4677 (throw 'ignored nil)))
4678 (if (and (setq not-attachment
4679 (and (not (mm-inline-override-p handle))
4680 (or (not (mm-handle-disposition handle))
4681 (equal (car (mm-handle-disposition handle))
4683 (mm-attachment-override-p handle))))
4684 (mm-automatic-display-p handle)
4686 (mm-inlinable-p handle)
4687 (mm-inlined-p handle))
4688 (mm-automatic-external-display-p type)))
4690 (when (equal (mm-handle-media-supertype handle) "text")
4692 (let ((id (1+ (length gnus-article-mime-handle-alist)))
4694 (push (cons id handle) gnus-article-mime-handle-alist)
4695 (when (or (not display)
4696 (not (gnus-unbuttonized-mime-type-p type)))
4697 (gnus-insert-mime-button
4698 handle id (list (or display (and not-attachment text))))
4699 (gnus-article-insert-newline)
4700 ;; Remember modify the number of forward lines.
4708 (let ((mail-parse-charset gnus-newsgroup-charset)
4709 (mail-parse-ignored-charsets
4710 (save-excursion (condition-case ()
4711 (set-buffer gnus-summary-buffer)
4713 gnus-newsgroup-ignored-charsets)))
4714 (mm-display-part handle t))
4715 (goto-char (point-max)))
4716 ((and text not-attachment)
4720 (gnus-article-insert-newline)
4721 (mm-display-inline handle)
4722 (goto-char (point-max))))
4726 (narrow-to-region beg (point))
4729 (gnus-article-mime-total-parts)
4730 (mm-handle-media-type handle)))))))))
4732 (defun gnus-unbuttonized-mime-type-p (type)
4733 "Say whether TYPE is to be unbuttonized."
4734 (unless gnus-inhibit-mime-unbuttonizing
4736 (let ((types gnus-unbuttonized-mime-types))
4738 (when (string-match (pop types) type)
4739 (throw 'found t)))))
4741 (let ((types gnus-buttonized-mime-types))
4743 (when (string-match (pop types) type)
4744 (throw 'found t)))))))))
4746 (defun gnus-article-insert-newline ()
4747 "Insert a newline, but mark it as undeletable."
4748 (gnus-put-text-property
4749 (point) (progn (insert "\n") (point)) 'gnus-undeletable t))
4751 (defun gnus-mime-display-alternative (handles &optional preferred ibegend id)
4752 (let* ((preferred (or preferred (mm-preferred-alternative handles)))
4755 handle (inhibit-read-only t) from props begend not-pref)
4756 (save-window-excursion
4759 (narrow-to-region (car ibegend)
4762 (goto-char (car ibegend))
4765 (delete-region (point-min) (point-max))
4766 (mm-remove-parts handles))
4767 (setq begend (list (point-marker)))
4769 (unless (setq not-pref (cadr (member preferred ihandles)))
4770 (setq not-pref (car ihandles)))
4773 (not (gnus-unbuttonized-mime-type-p
4774 "multipart/alternative")))
4775 (gnus-add-text-properties
4778 (insert (format "%d. " id))
4782 (unless ,(not ibegend)
4783 (setq gnus-article-mime-handle-alist
4784 ',gnus-article-mime-handle-alist))
4785 (gnus-mime-display-alternative
4786 ',ihandles ',not-pref ',begend ,id))
4787 keymap ,gnus-mime-button-map
4788 ,gnus-mouse-face-prop ,gnus-article-mouse-face
4789 face ,gnus-article-button-face
4792 (widget-convert-button 'link from (point)
4793 :action 'gnus-widget-press-button
4794 :button-keymap gnus-widget-button-keymap)
4796 (while (setq handle (pop handles))
4797 (gnus-add-text-properties
4800 (insert (format "(%c) %-18s"
4801 (if (equal handle preferred) ?* ? )
4802 (mm-handle-media-type handle)))
4806 (unless ,(not ibegend)
4807 (setq gnus-article-mime-handle-alist
4808 ',gnus-article-mime-handle-alist))
4809 (gnus-mime-display-alternative
4810 ',ihandles ',handle ',begend ,id))
4811 keymap ,gnus-mime-button-map
4812 ,gnus-mouse-face-prop ,gnus-article-mouse-face
4813 face ,gnus-article-button-face
4816 (widget-convert-button 'link from (point)
4817 :action 'gnus-widget-press-button
4818 :button-keymap gnus-widget-button-keymap)
4822 (if (stringp (car preferred))
4823 (gnus-display-mime preferred)
4824 (let ((mail-parse-charset gnus-newsgroup-charset)
4825 (mail-parse-ignored-charsets
4826 (with-current-buffer gnus-summary-buffer
4827 gnus-newsgroup-ignored-charsets)))
4828 (mm-display-part preferred)
4832 (narrow-to-region (car begend) (point-max))
4834 nil (length gnus-article-mime-handle-alist)
4835 (gnus-article-mime-total-parts)
4836 (mm-handle-media-type handle))))))
4837 (goto-char (point-max))
4838 (setcdr begend (point-marker)))))
4840 (goto-char point))))
4842 (defconst gnus-article-wash-status-strings
4843 (let ((alist '((cite "c" "Possible hidden citation text"
4844 " " "All citation text visible")
4845 (headers "h" "Hidden headers"
4846 " " "All headers visible.")
4847 (pgp "p" "Encrypted or signed message status hidden"
4848 " " "No hidden encryption nor digital signature status")
4849 (signature "s" "Signature has been hidden"
4850 " " "Signature is visible")
4851 (overstrike "o" "Overstrike (^H) characters applied"
4852 " " "No overstrike characters applied")
4853 (emphasis "e" "/*_Emphasis_*/ characters applied"
4854 " " "No /*_emphasis_*/ characters applied")))
4856 (dolist (entry alist result)
4857 (let ((key (nth 0 entry))
4858 (on (copy-sequence (nth 1 entry)))
4859 (on-help (nth 2 entry))
4860 (off (copy-sequence (nth 3 entry)))
4861 (off-help (nth 4 entry)))
4862 (put-text-property 0 1 'help-echo on-help on)
4863 (put-text-property 0 1 'help-echo off-help off)
4864 (push (list key on off) result))))
4865 "Alist of strings describing wash status in the mode line.
4866 Each entry has the form (KEY ON OF), where the KEY is a symbol
4867 representing the particular washing function, ON is the string to use
4868 in the article mode line when the washing function is active, and OFF
4869 is the string to use when it is inactive.")
4871 (defun gnus-article-wash-status-entry (key value)
4872 (let ((entry (assoc key gnus-article-wash-status-strings)))
4873 (if value (nth 1 entry) (nth 2 entry))))
4875 (defun gnus-article-wash-status ()
4876 "Return a string which display status of article washing."
4877 (with-current-buffer gnus-article-buffer
4878 (let ((cite (memq 'cite gnus-article-wash-types))
4879 (headers (memq 'headers gnus-article-wash-types))
4880 (boring (memq 'boring-headers gnus-article-wash-types))
4881 (pgp (memq 'pgp gnus-article-wash-types))
4882 (pem (memq 'pem gnus-article-wash-types))
4883 (signed (memq 'signed gnus-article-wash-types))
4884 (encrypted (memq 'encrypted gnus-article-wash-types))
4885 (signature (memq 'signature gnus-article-wash-types))
4886 (overstrike (memq 'overstrike gnus-article-wash-types))
4887 (emphasis (memq 'emphasis gnus-article-wash-types)))
4889 (gnus-article-wash-status-entry 'cite cite)
4890 (gnus-article-wash-status-entry 'headers (or headers boring))
4891 (gnus-article-wash-status-entry 'pgp (or pgp pem signed encrypted))
4892 (gnus-article-wash-status-entry 'signature signature)
4893 (gnus-article-wash-status-entry 'overstrike overstrike)
4894 (gnus-article-wash-status-entry 'emphasis emphasis)))))
4896 (defun gnus-add-wash-type (type)
4897 "Add a washing of TYPE to the current status."
4898 (add-to-list 'gnus-article-wash-types type))
4900 (defun gnus-delete-wash-type (type)
4901 "Add a washing of TYPE to the current status."
4902 (setq gnus-article-wash-types (delq type gnus-article-wash-types)))
4904 (defun gnus-add-image (category image)
4905 "Add IMAGE of CATEGORY to the list of displayed images."
4906 (let ((entry (assq category gnus-article-image-alist)))
4908 (setq entry (list category))
4909 (push entry gnus-article-image-alist))
4910 (nconc entry (list image))))
4912 (defun gnus-delete-images (category)
4913 "Delete all images in CATEGORY."
4914 (let ((entry (assq category gnus-article-image-alist)))
4915 (dolist (image (cdr entry))
4916 (gnus-remove-image image category))
4917 (setq gnus-article-image-alist (delq entry gnus-article-image-alist))
4918 (gnus-delete-wash-type category)))
4920 (defalias 'gnus-article-hide-headers-if-wanted 'gnus-article-maybe-hide-headers)
4922 (defun gnus-article-maybe-hide-headers ()
4923 "Hide unwanted headers if `gnus-have-all-headers' is nil.
4924 Provided for backwards compatibility."
4925 (when (and (or (not (gnus-buffer-live-p gnus-summary-buffer))
4926 (not (with-current-buffer gnus-summary-buffer
4927 gnus-have-all-headers)))
4928 (not gnus-inhibit-hiding))
4929 (gnus-article-hide-headers)))
4933 (defun gnus-output-to-file (file-name)
4934 "Append the current article to a file named FILE-NAME."
4935 (let ((artbuf (current-buffer)))
4937 (insert-buffer-substring artbuf)
4938 ;; Append newline at end of the buffer as separator, and then
4940 (goto-char (point-max))
4942 (let ((file-name-coding-system nnmail-pathname-coding-system))
4943 (mm-append-to-file (point-min) (point-max) file-name))
4946 (defun gnus-narrow-to-page (&optional arg)
4947 "Narrow the article buffer to a page.
4948 If given a numerical ARG, move forward ARG pages."
4950 (setq arg (if arg (prefix-numeric-value arg) 0))
4952 (set-buffer gnus-article-buffer)
4953 (goto-char (point-min))
4955 ;; Remove any old next/prev buttons.
4956 (when (gnus-visual-p 'page-marker)
4957 (let ((inhibit-read-only t))
4958 (gnus-remove-text-with-property 'gnus-prev)
4959 (gnus-remove-text-with-property 'gnus-next)))
4962 (re-search-backward page-delimiter nil 'move (1+ (abs arg))))
4964 (re-search-forward page-delimiter nil 'move arg)))
4965 (goto-char (match-end 0))
4967 (goto-char (point-min))
4968 (setq gnus-page-broken
4969 (and (re-search-forward page-delimiter nil t) t))))
4970 (when gnus-page-broken
4973 (if (re-search-forward page-delimiter nil 'move)
4976 (when (and (gnus-visual-p 'page-marker)
4977 (> (point-min) (save-restriction (widen) (point-min))))
4979 (goto-char (point-min))
4980 (gnus-insert-prev-page-button)))
4981 (when (and (gnus-visual-p 'page-marker)
4982 (< (+ (point-max) 2) (buffer-size)))
4984 (goto-char (point-max))
4985 (gnus-insert-next-page-button))))))
4987 ;; Article mode commands
4989 (defun gnus-article-goto-next-page ()
4990 "Show the next page of the article."
4992 (when (gnus-article-next-page)
4993 (goto-char (point-min))
4994 (gnus-article-read-summary-keys nil (gnus-character-to-event ?n))))
4997 (defun gnus-article-goto-prev-page ()
4998 "Show the previous page of the article."
5001 (gnus-article-read-summary-keys nil (gnus-character-to-event ?p))
5002 (gnus-article-prev-page nil)))
5004 ;; This is cleaner but currently breaks `gnus-pick-mode':
5006 ;; (defun gnus-article-goto-next-page ()
5007 ;; "Show the next page of the article."
5009 ;; (gnus-eval-in-buffer-window gnus-summary-buffer
5010 ;; (gnus-summary-next-page)))
5012 ;; (defun gnus-article-goto-prev-page ()
5013 ;; "Show the next page of the article."
5015 ;; (gnus-eval-in-buffer-window gnus-summary-buffer
5016 ;; (gnus-summary-prev-page)))
5018 (defun gnus-article-next-page (&optional lines)
5019 "Show the next page of the current article.
5020 If end of article, return non-nil. Otherwise return nil.
5021 Argument LINES specifies lines to be scrolled up."
5023 (move-to-window-line -1)
5026 (and (pos-visible-in-window-p) ;Not continuation line.
5027 (>= (1+ (point)) (point-max)))) ;Allow for trailing newline.
5028 ;; Nothing in this page.
5029 (if (or (not gnus-page-broken)
5034 (eobp)))) ;Real end-of-buffer?
5036 (when gnus-article-over-scroll
5037 (gnus-article-next-page-1 lines))
5039 (gnus-narrow-to-page 1) ;Go to next page.
5041 ;; More in this page.
5042 (gnus-article-next-page-1 lines)
5045 (defun gnus-article-next-page-1 (lines)
5046 (let ((scroll-in-place nil))
5050 ;; Long lines may cause an end-of-buffer error.
5051 (goto-char (point-max)))))
5052 (move-to-window-line 0))
5054 (defun gnus-article-prev-page (&optional lines)
5055 "Show previous page of current article.
5056 Argument LINES specifies lines to be scrolled down."
5058 (move-to-window-line 0)
5059 (if (and gnus-page-broken
5061 (not (save-restriction (widen) (bobp)))) ;Real beginning-of-buffer?
5063 (gnus-narrow-to-page -1) ;Go to previous page.
5064 (goto-char (point-max))
5066 (let ((scroll-in-place nil))
5070 (beginning-of-buffer
5071 (goto-char (point-min))))
5072 (move-to-window-line 0)))))
5074 (defun gnus-article-only-boring-p ()
5075 "Decide whether there is only boring text remaining in the article.
5076 Something \"interesting\" is a word of at least two letters that does
5077 not have a face in `gnus-article-boring-faces'."
5078 (when (and gnus-article-skip-boring
5079 (boundp 'gnus-article-boring-faces)
5080 (symbol-value 'gnus-article-boring-faces))
5083 (while (re-search-forward "\\b\\w\\w" nil t)
5085 (when (not (gnus-intersection
5086 (gnus-faces-at (point))
5087 (symbol-value 'gnus-article-boring-faces)))
5088 (throw 'only-boring nil)))
5089 (throw 'only-boring t)))))
5091 (defun gnus-article-refer-article ()
5092 "Read article specified by message-id around point."
5095 (re-search-backward "[ \t]\\|^" (point-at-bol) t)
5096 (re-search-forward "<?news:<?\\|<" (point-at-eol) t)
5097 (if (re-search-forward "[^@ ]+@[^ \t>]+" (point-at-eol) t)
5098 (let ((msg-id (concat "<" (match-string 0) ">")))
5099 (set-buffer gnus-summary-buffer)
5100 (gnus-summary-refer-article msg-id))
5101 (error "No references around point"))))
5103 (defun gnus-article-show-summary ()
5104 "Reconfigure windows to show summary buffer."
5106 (if (not (gnus-buffer-live-p gnus-summary-buffer))
5107 (error "There is no summary buffer for this article buffer")
5108 (gnus-article-set-globals)
5109 (gnus-configure-windows 'article)
5110 (gnus-summary-goto-subject gnus-current-article)
5111 (gnus-summary-position-point)))
5113 (defun gnus-article-describe-briefly ()
5114 "Describe article mode commands briefly."
5116 (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")))
5118 (defun gnus-article-summary-command ()
5119 "Execute the last keystroke in the summary buffer."
5121 (let ((obuf (current-buffer))
5122 (owin (current-window-configuration))
5124 (switch-to-buffer gnus-article-current-summary 'norecord)
5125 (setq func (lookup-key (current-local-map) (this-command-keys)))
5126 (call-interactively func)
5128 (set-window-configuration owin)
5129 (set-window-point (get-buffer-window (current-buffer)) (point))))
5131 (defun gnus-article-summary-command-nosave ()
5132 "Execute the last keystroke in the summary buffer."
5135 (pop-to-buffer gnus-article-current-summary 'norecord)
5136 (setq func (lookup-key (current-local-map) (this-command-keys)))
5137 (call-interactively func)))
5139 (defun gnus-article-check-buffer ()
5140 "Beep if not in an article buffer."
5141 (unless (equal major-mode 'gnus-article-mode)
5142 (error "Command invoked outside of a Gnus article buffer")))
5144 (defun gnus-article-read-summary-keys (&optional arg key not-restore-window)
5145 "Read a summary buffer key sequence and execute it from the article buffer."
5147 (gnus-article-check-buffer)
5149 '("q" "Q" "c" "r" "\C-c\C-f" "m" "a" "f"
5150 "Zc" "ZC" "ZE" "ZQ" "ZZ" "Zn" "ZR" "ZG" "ZN" "ZP"
5151 "=" "^" "\M-^" "|"))
5157 '("n" "Gn" "p" "Gp"))
5160 (set-buffer gnus-article-current-summary)
5161 (let (gnus-pick-mode)
5162 (push (or key last-command-event) unread-command-events)
5163 (setq keys (if (featurep 'xemacs)
5164 (events-to-keys (read-key-sequence nil))
5165 (read-key-sequence nil)))))
5169 (if (or (member keys nosaves)
5170 (member keys nosave-but-article)
5171 (member keys nosave-in-article))
5173 (save-window-excursion
5174 (pop-to-buffer gnus-article-current-summary 'norecord)
5175 ;; We disable the pick minor mode commands.
5176 (let (gnus-pick-mode)
5177 (setq func (lookup-key (current-local-map) keys))))
5181 (unless (member keys nosave-in-article)
5182 (set-buffer gnus-article-current-summary))
5183 (call-interactively func)
5184 (setq new-sum-point (point)))
5185 (when (member keys nosave-but-article)
5186 (pop-to-buffer gnus-article-buffer 'norecord)))
5187 ;; These commands should restore window configuration.
5188 (let ((obuf (current-buffer))
5189 (owin (current-window-configuration))
5191 win func in-buffer selected new-sum-start new-sum-hscroll)
5192 (cond (not-restore-window
5193 (pop-to-buffer gnus-article-current-summary 'norecord))
5194 ((setq win (get-buffer-window gnus-article-current-summary))
5195 (select-window win))
5197 (switch-to-buffer gnus-article-current-summary 'norecord)))
5198 (setq in-buffer (current-buffer))
5199 ;; We disable the pick minor mode commands.
5200 (if (and (setq func (let (gnus-pick-mode)
5201 (lookup-key (current-local-map) keys)))
5204 (call-interactively func)
5205 (when (eq win (selected-window))
5206 (setq new-sum-point (point)
5207 new-sum-start (window-start win)
5208 new-sum-hscroll (window-hscroll win))
5209 (when (eq in-buffer (current-buffer))
5210 (setq selected (gnus-summary-select-article))
5212 (unless not-restore-window
5213 (set-window-configuration owin))
5214 (when (eq selected 'old)
5216 (set-window-start (get-buffer-window (current-buffer))
5218 (set-window-point (get-buffer-window (current-buffer))
5220 (when (and (not not-restore-window)
5222 (set-window-point win new-sum-point)
5223 (set-window-start win new-sum-start)
5224 (set-window-hscroll win new-sum-hscroll)))))
5225 (set-window-configuration owin)
5228 (defun gnus-article-describe-key (key)
5229 "Display documentation of the function invoked by KEY. KEY is a string."
5230 (interactive "kDescribe key: ")
5231 (gnus-article-check-buffer)
5232 (if (eq (key-binding key) 'gnus-article-read-summary-keys)
5234 (set-buffer gnus-article-current-summary)
5235 (let (gnus-pick-mode)
5236 (if (featurep 'xemacs)
5238 (push (elt key 0) unread-command-events)
5239 (setq key (events-to-keys
5240 (read-key-sequence "Describe key: "))))
5241 (setq unread-command-events
5243 (lambda (x) (if (>= x 128) (list 'meta (- x 128)) x))
5244 (string-to-list key)))
5245 (setq key (read-key-sequence "Describe key: "))))
5247 (describe-key key)))
5249 (defun gnus-article-describe-key-briefly (key &optional insert)
5250 "Display documentation of the function invoked by KEY. KEY is a string."
5251 (interactive "kDescribe key: \nP")
5252 (gnus-article-check-buffer)
5253 (if (eq (key-binding key) 'gnus-article-read-summary-keys)
5255 (set-buffer gnus-article-current-summary)
5256 (let (gnus-pick-mode)
5257 (if (featurep 'xemacs)
5259 (push (elt key 0) unread-command-events)
5260 (setq key (events-to-keys
5261 (read-key-sequence "Describe key: "))))
5262 (setq unread-command-events
5264 (lambda (x) (if (>= x 128) (list 'meta (- x 128)) x))
5265 (string-to-list key)))
5266 (setq key (read-key-sequence "Describe key: "))))
5267 (describe-key-briefly key insert))
5268 (describe-key-briefly key insert)))
5270 (defun gnus-article-reply-with-original (&optional wide)
5271 "Start composing a reply mail to the current message.
5272 The text in the region will be yanked. If the region isn't active,
5273 the entire article will be yanked."
5275 (let ((article (cdr gnus-article-current))
5277 (if (not (gnus-region-active-p))
5278 (with-current-buffer gnus-summary-buffer
5279 (gnus-summary-reply (list (list article)) wide))
5280 (setq contents (buffer-substring (point) (mark t)))
5281 ;; Deactivate active regions.
5282 (when (and (boundp 'transient-mark-mode)
5283 transient-mark-mode)
5284 (setq mark-active nil))
5285 (with-current-buffer gnus-summary-buffer
5287 (list (list article contents)) wide)))))
5289 (defun gnus-article-followup-with-original ()
5290 "Compose a followup to the current article.
5291 The text in the region will be yanked. If the region isn't active,
5292 the entire article will be yanked."
5294 (let ((article (cdr gnus-article-current))
5296 (if (not (gnus-region-active-p))
5297 (with-current-buffer gnus-summary-buffer
5298 (gnus-summary-followup (list (list article))))
5299 (setq contents (buffer-substring (point) (mark t)))
5300 ;; Deactivate active regions.
5301 (when (and (boundp 'transient-mark-mode)
5302 transient-mark-mode)
5303 (setq mark-active nil))
5304 (with-current-buffer gnus-summary-buffer
5305 (gnus-summary-followup
5306 (list (list article contents)))))))
5308 (defun gnus-article-hide (&optional arg force)
5309 "Hide all the gruft in the current article.
5310 This means that signatures, cited text and (some) headers will be
5312 If given a prefix, show the hidden text instead."
5313 (interactive (append (gnus-article-hidden-arg) (list 'force)))
5314 (gnus-article-hide-headers arg)
5315 (gnus-article-hide-list-identifiers arg)
5316 (gnus-article-hide-citation-maybe arg force)
5317 (gnus-article-hide-signature arg))
5319 (defun gnus-article-maybe-highlight ()
5320 "Do some article highlighting if article highlighting is requested."
5321 (when (gnus-visual-p 'article-highlight 'highlight)
5322 (gnus-article-highlight-some)))
5324 (defun gnus-check-group-server ()
5325 ;; Make sure the connection to the server is alive.
5326 (unless (gnus-server-opened
5327 (gnus-find-method-for-group gnus-newsgroup-name))
5328 (gnus-check-server (gnus-find-method-for-group gnus-newsgroup-name))
5329 (gnus-request-group gnus-newsgroup-name t)))
5332 (autoload 'nneething-get-file-name "nneething"))
5334 (defun gnus-request-article-this-buffer (article group)
5335 "Get an article and insert it into this buffer."
5336 (let (do-update-line sparse-header)
5340 (gnus-kill-all-overlays)
5341 (setq group (or group gnus-newsgroup-name))
5343 ;; Using `gnus-request-article' directly will insert the article into
5344 ;; `nntp-server-buffer' - so we'll save some time by not having to
5345 ;; copy it from the server buffer into the article buffer.
5347 ;; We only request an article by message-id when we do not have the
5348 ;; headers for it, so we'll have to get those.
5349 (when (stringp article)
5350 (gnus-read-header article))
5352 ;; If the article number is negative, that means that this article
5353 ;; doesn't belong in this newsgroup (possibly), so we find its
5354 ;; message-id and request it by id instead of number.
5355 (when (and (numberp article)
5357 (get-buffer gnus-summary-buffer)
5358 (gnus-buffer-exists-p gnus-summary-buffer))
5360 (set-buffer gnus-summary-buffer)
5361 (let ((header (gnus-summary-article-header article)))
5364 ((memq article gnus-newsgroup-sparse)
5365 ;; This is a sparse gap article.
5366 (setq do-update-line article)
5367 (setq article (mail-header-id header))
5368 (setq sparse-header (gnus-read-header article))
5369 (setq gnus-newsgroup-sparse
5370 (delq article gnus-newsgroup-sparse)))
5372 ;; It's a real article.
5373 (setq article (mail-header-id header)))
5375 ;; It is an extracted pseudo-article.
5376 (setq article 'pseudo)
5377 (gnus-request-pseudo-article header))))
5379 (let ((method (gnus-find-method-for-group
5380 gnus-newsgroup-name)))
5381 (when (and (eq (car method) 'nneething)
5383 (let ((dir (nneething-get-file-name
5384 (mail-header-id header))))
5385 (when (and (stringp dir)
5386 (file-directory-p dir))
5387 (setq article 'nneething)
5388 (gnus-group-enter-directory dir))))))))
5391 ;; Refuse to select canceled articles.
5392 ((and (numberp article)
5394 (get-buffer gnus-summary-buffer)
5395 (gnus-buffer-exists-p gnus-summary-buffer)
5396 (eq (cdr (with-current-buffer gnus-summary-buffer
5397 (assq article gnus-newsgroup-reads)))
5398 gnus-canceled-mark))
5400 ;; We first check `gnus-original-article-buffer'.
5401 ((and (get-buffer gnus-original-article-buffer)
5403 (with-current-buffer gnus-original-article-buffer
5404 (and (equal (car gnus-original-article) group)
5405 (eq (cdr gnus-original-article) article))))
5406 (insert-buffer-substring gnus-original-article-buffer)
5408 ;; Check the backlog.
5409 ((and gnus-keep-backlog
5410 (gnus-backlog-request-article group article (current-buffer)))
5412 ;; Check asynchronous pre-fetch.
5413 ((gnus-async-request-fetched-article group article (current-buffer))
5414 (gnus-async-prefetch-next group article gnus-summary-buffer)
5415 (when (and (numberp article) gnus-keep-backlog)
5416 (gnus-backlog-enter-article group article (current-buffer)))
5419 ((and gnus-use-cache
5421 (gnus-cache-request-article article group))
5423 ;; Check the agent cache.
5424 ((gnus-agent-request-article article group)
5426 ;; Get the article and put into the article buffer.
5427 ((or (stringp article)
5429 (let ((gnus-override-method gnus-override-method)
5430 (methods (and (stringp article)
5431 gnus-refer-article-method))
5432 (backend (car (gnus-find-method-for-group
5433 gnus-newsgroup-name)))
5435 (inhibit-read-only t))
5436 (if (or (not (listp methods))
5437 (and (symbolp (car methods))
5438 (assq (car methods) nnoo-definition-alist)))
5439 (setq methods (list methods)))
5440 (when (and (null gnus-override-method)
5442 (setq gnus-override-method (pop methods)))
5444 (when (eq gnus-override-method 'current)
5445 (setq gnus-override-method
5446 (with-current-buffer gnus-summary-buffer
5447 gnus-current-select-method)))
5449 (gnus-kill-all-overlays)
5450 (let ((gnus-newsgroup-name group))
5451 (gnus-check-group-server))
5453 ((gnus-request-article article group (current-buffer))
5454 (when (numberp article)
5455 (gnus-async-prefetch-next group article
5456 gnus-summary-buffer)
5457 (when gnus-keep-backlog
5458 (gnus-backlog-enter-article
5459 group article (current-buffer))))
5460 (setq result 'article))
5462 (setq gnus-override-method (pop methods)))
5463 ((not (string-match "^400 "
5464 (nnheader-get-report backend)))
5465 ;; If we get 400 server disconnect, reconnect and
5466 ;; retry; otherwise, assume the article has expired.
5467 (setq result 'done))))
5468 (and (eq result 'article) 'article)))
5472 ;; Associate this article with the current summary buffer.
5473 (setq gnus-article-current-summary gnus-summary-buffer)
5475 ;; Take the article from the original article buffer
5476 ;; and place it in the buffer it's supposed to be in.
5477 (when (and (get-buffer gnus-article-buffer)
5478 (equal (buffer-name (current-buffer))
5479 (buffer-name (get-buffer gnus-article-buffer))))
5481 (if (get-buffer gnus-original-article-buffer)
5482 (set-buffer gnus-original-article-buffer)
5483 (set-buffer (gnus-get-buffer-create gnus-original-article-buffer))
5484 (buffer-disable-undo)
5485 (setq major-mode 'gnus-original-article-mode)
5486 (setq buffer-read-only t))
5487 (let ((inhibit-read-only t))
5489 (insert-buffer-substring gnus-article-buffer))
5490 (setq gnus-original-article (cons group article)))
5493 (run-hooks 'gnus-article-decode-hook)
5494 ;; Mark article as decoded or not.
5495 (setq gnus-article-decoded-p gnus-article-decode-hook))
5497 ;; Update sparse articles.
5498 (when (and do-update-line
5499 (or (numberp article)
5501 (let ((buf (current-buffer)))
5502 (set-buffer gnus-summary-buffer)
5503 (gnus-summary-update-article do-update-line sparse-header)
5504 (gnus-summary-goto-subject do-update-line nil t)
5505 (set-window-point (gnus-get-buffer-window (current-buffer) t)
5507 (set-buffer buf))))))
5513 (defcustom gnus-article-edit-mode-hook nil
5514 "Hook run in article edit mode buffers."
5515 :group 'gnus-article-various
5518 (defvar gnus-article-edit-done-function nil)
5520 (defvar gnus-article-edit-mode-map nil)
5522 ;; Should we be using derived.el for this?
5523 (unless gnus-article-edit-mode-map
5524 (setq gnus-article-edit-mode-map (make-keymap))
5525 (set-keymap-parent gnus-article-edit-mode-map text-mode-map)
5527 (gnus-define-keys gnus-article-edit-mode-map
5528 "\C-c?" describe-mode
5529 "\C-c\C-c" gnus-article-edit-done
5530 "\C-c\C-k" gnus-article-edit-exit
5531 "\C-c\C-f\C-t" message-goto-to
5532 "\C-c\C-f\C-o" message-goto-from
5533 "\C-c\C-f\C-b" message-goto-bcc
5534 ;;"\C-c\C-f\C-w" message-goto-fcc
5535 "\C-c\C-f\C-c" message-goto-cc
5536 "\C-c\C-f\C-s" message-goto-subject
5537 "\C-c\C-f\C-r" message-goto-reply-to
5538 "\C-c\C-f\C-n" message-goto-newsgroups
5539 "\C-c\C-f\C-d" message-goto-distribution
5540 "\C-c\C-f\C-f" message-goto-followup-to
5541 "\C-c\C-f\C-m" message-goto-mail-followup-to
5542 "\C-c\C-f\C-k" message-goto-keywords
5543 "\C-c\C-f\C-u" message-goto-summary
5544 "\C-c\C-f\C-i" message-insert-or-toggle-importance
5545 "\C-c\C-f\C-a" message-generate-unsubscribed-mail-followup-to
5546 "\C-c\C-b" message-goto-body
5547 "\C-c\C-i" message-goto-signature
5549 "\C-c\C-t" message-insert-to
5550 "\C-c\C-n" message-insert-newsgroups
5551 "\C-c\C-o" message-sort-headers
5552 "\C-c\C-e" message-elide-region
5553 "\C-c\C-v" message-delete-not-region
5554 "\C-c\C-z" message-kill-to-signature
5555 "\M-\r" message-newline-and-reformat
5556 "\C-c\C-a" mml-attach-file
5557 "\C-a" message-beginning-of-line
5559 "\M-;" comment-region)
5561 (gnus-define-keys (gnus-article-edit-wash-map
5562 "\C-c\C-w" gnus-article-edit-mode-map)
5563 "f" gnus-article-edit-full-stops))
5566 gnus-article-edit-mode-field-menu gnus-article-edit-mode-map ""
5568 ["Fetch To" message-insert-to t]
5569 ["Fetch Newsgroups" message-insert-newsgroups t]
5571 ["To" message-goto-to t]
5572 ["From" message-goto-from t]
5573 ["Subject" message-goto-subject t]
5574 ["Cc" message-goto-cc t]
5575 ["Reply-To" message-goto-reply-to t]
5576 ["Summary" message-goto-summary t]
5577 ["Keywords" message-goto-keywords t]
5578 ["Newsgroups" message-goto-newsgroups t]
5579 ["Followup-To" message-goto-followup-to t]
5580 ["Mail-Followup-To" message-goto-mail-followup-to t]
5581 ["Distribution" message-goto-distribution t]
5582 ["Body" message-goto-body t]
5583 ["Signature" message-goto-signature t]))
5585 (define-derived-mode gnus-article-edit-mode message-mode "Article Edit"
5586 "Major mode for editing articles.
5587 This is an extended text-mode.
5589 \\{gnus-article-edit-mode-map}"
5590 (make-local-variable 'gnus-article-edit-done-function)
5591 (make-local-variable 'gnus-prev-winconf)
5592 (set (make-local-variable 'font-lock-defaults)
5593 '(message-font-lock-keywords t))
5594 (set (make-local-variable 'mail-header-separator) "")
5595 (set (make-local-variable 'gnus-article-edit-mode) t)
5596 (easy-menu-add message-mode-field-menu message-mode-map)
5598 (setq buffer-read-only nil)
5599 (buffer-enable-undo)
5602 (defun gnus-article-edit (&optional force)
5603 "Edit the current article.
5604 This will have permanent effect only in mail groups.
5605 If FORCE is non-nil, allow editing of articles even in read-only
5608 (when (and (not force)
5609 (gnus-group-read-only-p))
5610 (error "The current newsgroup does not support article editing"))
5611 (gnus-article-date-original)
5612 (gnus-article-edit-article
5614 `(lambda (no-highlight)
5616 (gnus-summary-edit-article-done
5617 ,(or (mail-header-references gnus-current-headers) "")
5618 ,(gnus-group-read-only-p) ,gnus-summary-buffer no-highlight))))
5620 (defun gnus-article-edit-article (start-func exit-func)
5621 "Start editing the contents of the current article buffer."
5622 (let ((winconf (current-window-configuration)))
5623 (set-buffer gnus-article-buffer)
5624 (gnus-article-edit-mode)
5625 (funcall start-func)
5626 (set-buffer-modified-p nil)
5627 (gnus-configure-windows 'edit-article)
5628 (setq gnus-article-edit-done-function exit-func)
5629 (setq gnus-prev-winconf winconf)
5630 (gnus-message 6 "C-c C-c to end edits")))
5632 (defun gnus-article-edit-done (&optional arg)
5633 "Update the article edits and exit."
5635 (let ((func gnus-article-edit-done-function)
5636 (buf (current-buffer))
5637 (start (window-start))
5639 (winconf gnus-prev-winconf))
5640 (widen) ;; Widen it in case that users narrowed the buffer.
5643 ;; The cache and backlog have to be flushed somewhat.
5644 (when gnus-keep-backlog
5645 (gnus-backlog-remove-article
5646 (car gnus-article-current) (cdr gnus-article-current)))
5647 ;; Flush original article as well.
5649 (when (get-buffer gnus-original-article-buffer)
5650 (set-buffer gnus-original-article-buffer)
5651 (setq gnus-original-article nil)))
5652 (when gnus-use-cache
5653 (gnus-cache-update-article
5654 (car gnus-article-current) (cdr gnus-article-current)))
5655 ;; We remove all text props from the article buffer.
5656 (kill-all-local-variables)
5657 (set-text-properties (point-min) (point-max) nil)
5659 (set-window-configuration winconf)
5661 (set-window-start (get-buffer-window buf) start)
5662 (set-window-point (get-buffer-window buf) (point)))
5663 (gnus-summary-show-article))
5665 (defun gnus-article-edit-exit ()
5666 "Exit the article editing without updating."
5668 (when (or (not (buffer-modified-p))
5669 (yes-or-no-p "Article modified; kill anyway? "))
5670 (let ((curbuf (current-buffer))
5672 (window-start (window-start)))
5674 (if (gnus-buffer-live-p gnus-original-article-buffer)
5675 (insert-buffer gnus-original-article-buffer))
5676 (let ((winconf gnus-prev-winconf))
5677 (kill-all-local-variables)
5679 (set-window-configuration winconf)
5680 ;; Tippy-toe some to make sure that point remains where it was.
5681 (save-current-buffer
5683 (set-window-start (get-buffer-window (current-buffer)) window-start)
5685 (gnus-summary-show-article)))
5687 (defun gnus-article-edit-full-stops ()
5688 "Interactively repair spacing at end of sentences."
5691 (goto-char (point-min))
5692 (search-forward-regexp "^$" nil t)
5693 (let ((case-fold-search nil))
5694 (query-replace-regexp "\\([.!?][])}]* \\)\\([[({A-Z]\\)" "\\1 \\2"))))
5697 ;;; Article highlights
5700 ;; Written by Per Abrahamsen <abraham@iesd.auc.dk>.
5702 ;;; Internal Variables:
5704 (defcustom gnus-button-url-regexp
5705 (if (string-match "[[:digit:]]" "1") ;; support POSIX?
5706 "\\b\\(\\(www\\.\\|\\(s?https?\\|ftp\\|file\\|gopher\\|nntp\\|news\\|telnet\\|wais\\|mailto\\|info\\):\\)\\(//[-a-z0-9_.]+:[0-9]*\\)?[-a-z0-9_=!?#$@~%&*+\\/:;.,[:word:]]+[-a-z0-9_=#$@~%&*+\\/[:word:]]\\)"
5707 "\\b\\(\\(www\\.\\|\\(s?https?\\|ftp\\|file\\|gopher\\|nntp\\|news\\|telnet\\|wais\\|mailto\\|info\\):\\)\\(//[-a-z0-9_.]+:[0-9]*\\)?\\([-a-z0-9_=!?#$@~%&*+\\/:;.,]\\|\\w\\)+\\([-a-z0-9_=#$@~%&*+\\/]\\|\\w\\)\\)")
5708 "Regular expression that matches URLs."
5709 :group 'gnus-article-buttons
5712 (defcustom gnus-button-valid-fqdn-regexp
5713 message-valid-fqdn-regexp
5714 "Regular expression that matches a valid FQDN."
5716 :group 'gnus-article-buttons
5719 (defcustom gnus-button-man-handler 'manual-entry
5720 "Function to use for displaying man pages.
5721 The function must take at least one argument with a string naming the
5724 :type '(choice (function-item :tag "Man" manual-entry)
5725 (function-item :tag "Woman" woman)
5726 (function :tag "Other"))
5727 :group 'gnus-article-buttons)
5729 (defcustom gnus-ctan-url "http://tug.ctan.org/tex-archive/"
5730 "Top directory of a CTAN \(Comprehensive TeX Archive Network\) archive.
5731 If the default site is too slow, try to find a CTAN mirror, see
5732 <URL:http://tug.ctan.org/tex-archive/CTAN.sites?action=/index.html>. See also
5733 the variable `gnus-button-handle-ctan'."
5735 :group 'gnus-article-buttons
5736 :link '(custom-manual "(gnus)Group Parameters")
5737 :type '(choice (const "http://www.tex.ac.uk/tex-archive/")
5738 (const "http://tug.ctan.org/tex-archive/")
5739 (const "http://www.dante.de/CTAN/")
5740 (string :tag "Other")))
5742 (defcustom gnus-button-ctan-handler 'browse-url
5743 "Function to use for displaying CTAN links.
5744 The function must take one argument, the string naming the URL."
5746 :type '(choice (function-item :tag "Browse Url" browse-url)
5747 (function :tag "Other"))
5748 :group 'gnus-article-buttons)
5750 (defcustom gnus-button-handle-ctan-bogus-regexp "^/?tex-archive/\\|^/"
5751 "Bogus strings removed from CTAN URLs."
5753 :group 'gnus-article-buttons
5754 :type '(choice (const "^/?tex-archive/\\|/")
5755 (regexp :tag "Other")))
5757 (defcustom gnus-button-ctan-directory-regexp
5760 "biblio\\|digests\\|dviware\\|fonts\\|graphics\\|help\\|"
5761 "indexing\\|info\\|language\\|macros\\|support\\|systems\\|"
5762 "tds\\|tools\\|usergrps\\|web\\|nonfree\\|obsolete"
5764 "Regular expression for ctan directories.
5765 It should match all directories in the top level of `gnus-ctan-url'."
5767 :group 'gnus-article-buttons
5770 (defcustom gnus-button-mid-or-mail-regexp
5771 (concat "\\b\\(<?[a-z0-9$%(*-=?[_][^<>\")!;:,{}\n\t ]*@"
5772 ;; Felix Wiemann in <87oeuomcz9.fsf@news2.ososo.de>
5773 gnus-button-valid-fqdn-regexp
5775 "Regular expression that matches a message ID or a mail address."
5777 :group 'gnus-article-buttons
5780 (defcustom gnus-button-prefer-mid-or-mail 'gnus-button-mid-or-mail-heuristic
5781 "What to do when the button on a string as \"foo123@bar.invalid\" is pushed.
5782 Strings like this can be either a message ID or a mail address. If it is one
5783 of the symbols `mid' or `mail', Gnus will always assume that the string is a
5784 message ID or a mail address, respectively. If this variable is set to the
5785 symbol `ask', always query the user what do do. If it is a function, this
5786 function will be called with the string as it's only argument. The function
5787 must return `mid', `mail', `invalid' or `ask'."
5789 :group 'gnus-article-buttons
5790 :type '(choice (function-item :tag "Heuristic function"
5791 gnus-button-mid-or-mail-heuristic)
5796 (defcustom gnus-button-mid-or-mail-heuristic-alist
5797 '((-10.0 . ".+\\$.+@")
5800 (-5.0 . "\\+[^+]*\\+.*@") ;; # two plus signs
5801 (-5.0 . "@[Nn][Ee][Ww][Ss]") ;; /\@news/i
5802 (-5.0 . "@.*[Dd][Ii][Aa][Ll][Uu][Pp]") ;; /\@.*dialup/i;
5803 (-1.0 . "^[^a-z]+@")
5805 (-5.0 . "\\.[0-9][0-9]+.*@") ;; "\.[0-9]{2,}.*\@"
5806 (-5.0 . "[a-z].*[A-Z].*[a-z].*[A-Z].*@") ;; "([a-z].*[A-Z].*){2,}\@"
5807 (-3.0 . "[A-Z][A-Z][a-z][a-z].*@")
5808 (-5.0 . "\\...?.?@") ;; (-5.0 . "\..{1,3}\@")
5811 (-1.0 . "^[0-9][0-9]")
5813 ;; -3.0 /^[0-9][0-9a-fA-F]{2,2}/;
5814 (-3.0 . "^[0-9][0-9a-fA-F][0-9a-fA-F][^0-9a-fA-F]")
5815 ;; -5.0 /^[0-9][0-9a-fA-F]{3,3}/;
5816 (-5.0 . "^[0-9][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][^0-9a-fA-F]")
5818 (-3.0 . "[0-9][0-9][0-9][0-9][0-9][^0-9].*@") ;; "[0-9]{5,}.*\@"
5819 (-3.0 . "[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][^0-9].*@")
5822 . "[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9].*@")
5824 ;; compensation for TDMA dated mail addresses:
5825 (25.0 . "-dated-[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]+.*@")
5827 (-20.0 . "\\.fsf@") ;; Gnus
5830 (-20.0 . "_-_") ;; Subject change in thread
5832 (-20.0 . "\\.ln@") ;; leafnode
5833 (-30.0 . "@ID-[0-9]+\\.[a-zA-Z]+\\.dfncis\\.de")
5834 (-30.0 . "@4[Aa][Xx]\\.com") ;; Forte Agent
5836 ;; (5.0 . "") ;; $local_part_len <= 7
5837 (10.0 . "^[^0-9]+@")
5838 (3.0 . "^[^0-9]+[0-9][0-9]?[0-9]?@")
5839 ;; ^[^0-9]+[0-9]{1,3}\@ digits only at end of local part
5842 (2.0 . "[a-z][a-z][._-][A-Z][a-z].*@")
5844 (0.5 . "^[A-Z][a-z]")
5845 (0.5 . "^[A-Z][a-z][a-z]")
5846 (1.5 . "^[A-Z][a-z][A-Z][a-z][^a-z]") ;; ^[A-Z][a-z]{3,3}
5847 (2.0 . "^[A-Z][a-z][A-Z][a-z][a-z][^a-z]")) ;; ^[A-Z][a-z]{4,4}
5848 "An alist of \(RATE . REGEXP\) pairs for `gnus-button-mid-or-mail-heuristic'.
5850 A negative RATE indicates a message IDs, whereas a positive indicates a mail
5851 address. The REGEXP is processed with `case-fold-search' set to nil."
5853 :group 'gnus-article-buttons
5854 :type '(repeat (cons (number :tag "Rate")
5855 (regexp :tag "Regexp"))))
5857 (defun gnus-button-mid-or-mail-heuristic (mid-or-mail)
5858 "Guess whether MID-OR-MAIL is a message ID or a mail address.
5859 Returns `mid' if MID-OR-MAIL is a message IDs, `mail' if it's a mail
5860 address, `ask' if unsure and `invalid' if the string is invalid."
5861 (let ((case-fold-search nil)
5862 (list gnus-button-mid-or-mail-heuristic-alist)
5863 (result 0) rate regexp lpartlen elem)
5865 (length (gnus-replace-in-string mid-or-mail "^\\(.*\\)@.*$" "\\1")))
5866 (gnus-message 8 "`%s', length of local part=`%s'." mid-or-mail lpartlen)
5867 ;; Certain special cases...
5870 "^0[0-9]+-[0-9][0-9][0-9][0-9]@t-online\\.de$\\|"
5871 "^[0-9]+\\.[0-9]+@compuserve\\|"
5872 "@public\\.gmane\\.org")
5874 (gnus-message 8 "`%s' is a known mail address." mid-or-mail)
5875 (setq result 'mail))
5876 (when (string-match "@.*@\\| " mid-or-mail)
5877 (gnus-message 8 "`%s' is invalid." mid-or-mail)
5878 (setq result 'invalid))
5879 ;; Nothing more to do, if result is not a number here...
5880 (when (numberp result)
5882 (setq elem (car list)
5886 (when (string-match regexp mid-or-mail)
5887 (setq result (+ result rate))
5889 9 "`%s' matched `%s', rate `%s', result `%s'."
5890 mid-or-mail regexp rate result)))
5891 (when (<= lpartlen 7)
5892 (setq result (+ result 5.0))
5893 (gnus-message 9 "`%s' matched (<= lpartlen 7), result `%s'."
5894 mid-or-mail result))
5895 (when (>= lpartlen 12)
5896 (gnus-message 9 "`%s' matched (>= lpartlen 12)" mid-or-mail)
5898 ((string-match "[0-9][^0-9]+[0-9].*@" mid-or-mail)
5899 ;; Long local part should contain realname if e-mail address,
5900 ;; too many digits: message-id.
5901 ;; $score -= 5.0 + 0.1 * $local_part_len;
5902 (setq rate (* -1.0 (+ 5.0 (* 0.1 lpartlen))))
5903 (setq result (+ result rate))
5905 9 "Many digits in `%s', rate `%s', result `%s'."
5906 mid-or-mail rate result))
5907 ((string-match "[^aeiouy][^aeiouy][^aeiouy][^aeiouy]+.*\@"
5909 ;; Too few vowels [^aeiouy]{4,}.*\@
5910 (setq result (+ result -5.0))
5912 9 "Few vowels in `%s', rate `%s', result `%s'."
5913 mid-or-mail -5.0 result))
5915 (setq result (+ result 5.0))
5917 9 "`%s', rate `%s', result `%s'." mid-or-mail 5.0 result)))))
5918 (gnus-message 8 "`%s': Final rate is `%s'." mid-or-mail result)
5919 ;; Maybe we should make this a customizable alist: (condition . 'result)
5921 ((symbolp result) result)
5922 ;; Now convert number into proper results:
5923 ((< result -10.0) 'mid)
5924 ((> result 10.0) 'mail)
5927 (defun gnus-button-handle-mid-or-mail (mid-or-mail)
5928 (let* ((pref gnus-button-prefer-mid-or-mail) guessed
5929 (url-mid (concat "news" ":" mid-or-mail))
5930 (url-mailto (concat "mailto" ":" mid-or-mail)))
5931 (gnus-message 9 "mid-or-mail=%s" mid-or-mail)
5932 (when (fboundp pref)
5934 ;; get rid of surrounding angles...
5936 (gnus-replace-in-string mid-or-mail "^<\\|>$" "")))
5937 (if (or (eq 'mid guessed) (eq 'mail guessed))
5941 (save-window-excursion
5942 (if (y-or-n-p (concat "Is <" mid-or-mail "> a mail address? "))
5945 (cond ((eq pref 'mid)
5946 (gnus-message 8 "calling `gnus-button-handle-news' %s" url-mid)
5947 (gnus-button-handle-news url-mid))
5949 (gnus-message 8 "calling `gnus-url-mailto' %s" url-mailto)
5950 (gnus-url-mailto url-mailto))
5951 (t (gnus-message 3 "Invalid string.")))))
5953 (defun gnus-button-handle-custom (url)
5954 "Follow a Custom URL."
5955 (customize-apropos (gnus-url-unhex-string url)))
5957 (defvar gnus-button-handle-describe-prefix "^\\(C-h\\|<?[Ff]1>?\\)")
5959 ;; FIXME: Maybe we should merge some of the functions that do quite similar
5962 (defun gnus-button-handle-describe-function (url)
5963 "Call `describe-function' when pushing the corresponding URL button."
5966 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))))
5968 (defun gnus-button-handle-describe-variable (url)
5969 "Call `describe-variable' when pushing the corresponding URL button."
5972 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))))
5974 (defun gnus-button-handle-symbol (url)
5975 "Display help on variable or function.
5976 Calls `describe-variable' or `describe-function'."
5977 (let ((sym (intern url)))
5979 ((fboundp sym) (describe-function sym))
5980 ((boundp sym) (describe-variable sym))
5981 (t (gnus-message 3 "`%s' is not a known function of variable." url)))))
5983 (defun gnus-button-handle-describe-key (url)
5984 "Call `describe-key' when pushing the corresponding URL button."
5986 (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))
5987 (keys (ignore-errors (eval `(kbd ,key-string)))))
5990 (gnus-message 3 "Invalid key sequence in button: %s" key-string))))
5992 (defun gnus-button-handle-apropos (url)
5993 "Call `apropos' when pushing the corresponding URL button."
5994 (apropos (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
5996 (defun gnus-button-handle-apropos-command (url)
5997 "Call `apropos' when pushing the corresponding URL button."
5999 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6001 (defun gnus-button-handle-apropos-variable (url)
6002 "Call `apropos' when pushing the corresponding URL button."
6004 (if (fboundp 'apropos-variable) 'apropos-variable 'apropos)
6005 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6007 (defun gnus-button-handle-apropos-documentation (url)
6008 "Call `apropos' when pushing the corresponding URL button."
6010 (if (fboundp 'apropos-documentation) 'apropos-documentation 'apropos)
6011 (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
6013 (defun gnus-button-handle-library (url)
6014 "Call `locate-library' when pushing the corresponding URL button."
6015 (gnus-message 9 "url=`%s'" url)
6016 (let* ((lib (locate-library url))
6017 (file (gnus-replace-in-string (or lib "") "\.elc" ".el")))
6019 (gnus-message 1 "Cannot locale library `%s'." url)
6020 (find-file-read-only file))))
6022 (defun gnus-button-handle-ctan (url)
6023 "Call `browse-url' when pushing a CTAN URL button."
6025 gnus-button-ctan-handler
6028 (gnus-replace-in-string url gnus-button-handle-ctan-bogus-regexp ""))))
6030 (defcustom gnus-button-tex-level 5
6031 "*Integer that says how many TeX-related buttons Gnus will show.
6032 The higher the number, the more buttons will appear and the more false
6033 positives are possible. Note that you can set this variable local to
6034 specific groups. Setting it higher in TeX groups is probably a good idea.
6035 See Info node `(gnus)Group Parameters' and the variable `gnus-parameters' on
6036 how to set variables in specific groups."
6038 :group 'gnus-article-buttons
6039 :link '(custom-manual "(gnus)Group Parameters")
6042 (defcustom gnus-button-man-level 5
6043 "*Integer that says how many man-related buttons Gnus will show.
6044 The higher the number, the more buttons will appear and the more false
6045 positives are possible. Note that you can set this variable local to
6046 specific groups. Setting it higher in Unix groups is probably a good idea.
6047 See Info node `(gnus)Group Parameters' and the variable `gnus-parameters' on
6048 how to set variables in specific groups."
6050 :group 'gnus-article-buttons
6051 :link '(custom-manual "(gnus)Group Parameters")
6054 (defcustom gnus-button-emacs-level 5
6055 "*Integer that says how many emacs-related buttons Gnus will show.
6056 The higher the number, the more buttons will appear and the more false
6057 positives are possible. Note that you can set this variable local to
6058 specific groups. Setting it higher in Emacs or Gnus related groups is
6059 probably a good idea. See Info node `(gnus)Group Parameters' and the variable
6060 `gnus-parameters' on how to set variables in specific groups."
6062 :group 'gnus-article-buttons
6063 :link '(custom-manual "(gnus)Group Parameters")
6066 (defcustom gnus-button-message-level 5
6067 "*Integer that says how many buttons for news or mail messages will appear.
6068 The higher the number, the more buttons will appear and the more false
6069 positives are possible."
6070 ;; mail addresses, MIDs, URLs for news, ...
6072 :group 'gnus-article-buttons
6075 (defcustom gnus-button-browse-level 5
6076 "*Integer that says how many buttons for browsing will appear.
6077 The higher the number, the more buttons will appear and the more false
6078 positives are possible."
6079 ;; stuff handled by `browse-url' or `gnus-button-embedded-url'
6081 :group 'gnus-article-buttons
6084 (defcustom gnus-button-alist
6085 '(("<\\(url:[>\n\t ]*?\\)?\\(nntp\\|news\\):[>\n\t ]*\\([^>\n\t ]*@[^>\n\t ]*\\)>"
6086 0 (>= gnus-button-message-level 0) gnus-button-handle-news 3)
6087 ("\\b\\(nntp\\|news\\):\\([^>\n\t ]*@[^>)!;:,\n\t ]*\\)" 0 t
6088 gnus-button-handle-news 2)
6089 ("\\(\\b<\\(url:[>\n\t ]*\\)?\\(nntp\\|news\\):[>\n\t ]*\\(//\\)?\\([^>\n\t ]*\\)>\\)"
6090 1 (>= gnus-button-message-level 0) gnus-button-fetch-group 5)
6091 ("\\b\\(nntp\\|news\\):\\(//\\)?\\([^'\">\n\t ]+\\)"
6092 0 (>= gnus-button-message-level 0) gnus-button-fetch-group 3)
6093 ;; RFC 2392 (Don't allow `/' in domain part --> CID)
6094 ("\\bmid:\\(//\\)?\\([^'\">\n\t ]+@[^'\">\n\t /]+\\)"
6095 0 (>= gnus-button-message-level 0) gnus-button-message-id 2)
6096 ("\\bin\\( +article\\| +message\\)? +\\(<\\([^\n @<>]+@[^\n @<>]+\\)>\\)"
6097 2 (>= gnus-button-message-level 0) gnus-button-message-id 3)
6098 ("\\(<URL: *\\)mailto: *\\([^> \n\t]+\\)>"
6099 0 (>= gnus-button-message-level 0) gnus-url-mailto 2)
6100 ;; RFC 2368 (The mailto URL scheme)
6101 ("\\bmailto:\\([-a-z.@_+0-9%=?&/]+\\)"
6102 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
6103 ("\\bmailto:\\([^ \n\t]+\\)"
6104 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
6106 ((concat "\\bCTAN:[ \t\n]?[^>)!;:,'\n\t ]*\\("
6107 gnus-button-ctan-directory-regexp
6108 "[^][>)!;:,'\n\t ]+\\)")
6109 0 (>= gnus-button-tex-level 1) gnus-button-handle-ctan 1)
6110 ((concat "\\btex-archive/\\("
6111 gnus-button-ctan-directory-regexp
6112 "/[-_.a-z0-9/]+[-_./a-z0-9]+[/a-z0-9]\\)")
6113 1 (>= gnus-button-tex-level 6) gnus-button-handle-ctan 1)
6116 gnus-button-ctan-directory-regexp
6117 "/[-_.a-z0-9]+/[-_./a-z0-9]+[/a-z0-9]\\)")
6118 1 (>= gnus-button-tex-level 8) gnus-button-handle-ctan 1)
6119 ;; This is info (home-grown style) <info://foo/bar+baz>
6120 ("\\binfo://\\([^'\">\n\t ]+\\)"
6121 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url 1)
6122 ;; Info GNOME style <info:foo#bar_baz>
6123 ("\\binfo:\\([^('\n\t\r \"><][^'\n\t\r \"><]*\\)"
6124 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url-gnome 1)
6125 ;; Info KDE style <info:(foo)bar baz>
6126 ("<\\(info:\\(([^)]+)[^>\n\r]*\\)\\)>"
6127 1 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url-kde 2)
6128 ("\\((Info-goto-node\\|(info\\)[ \t\n]*\\(\"[^\"]*\"\\))" 0
6129 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url 2)
6130 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+i[ \t\n]+d?[ \t\n]?m[ \t\n]+\\([^ ]+ ?[^ ]+\\)[ \t\n]+RET"
6131 ;; Info links like `C-h i d m CC Mode RET'
6132 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-keystrokes 2)
6134 ("\\bcustom:\\(//\\)?\\([^'\">\n\t ]+\\)"
6135 0 (>= gnus-button-emacs-level 5) gnus-button-handle-custom 2)
6136 ("M-x[ \t\n]customize-[^ ]+[ \t\n]RET[ \t\n]\\([^ ]+\\)[ \t\n]RET" 0
6137 (>= gnus-button-emacs-level 1) gnus-button-handle-custom 1)
6138 ;; Emacs help commands
6139 ("M-x[ \t\n]+apropos[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6140 ;; regexp doesn't match arguments containing ` '.
6141 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos 1)
6142 ("M-x[ \t\n]+apropos-command[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6143 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-command 1)
6144 ("M-x[ \t\n]+apropos-variable[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6145 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-variable 1)
6146 ("M-x[ \t\n]+apropos-documentation[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6147 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-documentation 1)
6148 ;; The following entries may lead to many false positives so don't enable
6149 ;; them by default (use a high button level).
6150 ("/\\([a-z][-a-z0-9]+\\.el\\)\\>[^.?]"
6151 ;; Exclude [.?] for URLs in gmane.emacs.cvs
6152 1 (>= gnus-button-emacs-level 8) gnus-button-handle-library 1)
6153 ("`\\([a-z][-a-z0-9]+\\.el\\)'"
6154 1 (>= gnus-button-emacs-level 8) gnus-button-handle-library 1)
6155 ("`\\([a-z][a-z0-9]+-[a-z]+-[-a-z]+\\|\\(gnus\\|message\\)-[-a-z]+\\)'"
6156 0 (>= gnus-button-emacs-level 8) gnus-button-handle-symbol 1)
6157 ("`\\([a-z][a-z0-9]+-[a-z]+\\)'"
6158 0 (>= gnus-button-emacs-level 9) gnus-button-handle-symbol 1)
6159 ("(setq[ \t\n]+\\([a-z][a-z0-9]+-[-a-z0-9]+\\)[ \t\n]+.+)"
6160 1 (>= gnus-button-emacs-level 7) gnus-button-handle-describe-variable 1)
6161 ("\\bM-x[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6162 1 (>= gnus-button-emacs-level 7) gnus-button-handle-describe-function 1)
6163 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+f[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6164 0 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-function 2)
6165 ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+v[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
6166 0 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-variable 2)
6167 ("`\\(\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+k[ \t\n]+\\([^']+\\)\\)'"
6168 ;; Unlike the other regexps we really have to require quoting
6169 ;; here to determine where it ends.
6170 1 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-key 3)
6171 ;; This is how URLs _should_ be embedded in text (RFC 1738, RFC 2396)...
6172 ("<URL: *\\([^<>]*\\)>"
6173 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
6174 ;; RFC 2396 (2.4.3., delims) ...
6175 ("\"URL: *\\([^\"]*\\)\""
6176 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
6177 ;; RFC 2396 (2.4.3., delims) ...
6178 ("\"URL: *\\([^\"]*\\)\""
6179 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
6181 (gnus-button-url-regexp
6182 0 (>= gnus-button-browse-level 0) browse-url 0)
6184 ("\\b\\([a-z][a-z]+([1-9])\\)\\W"
6185 0 (and (>= gnus-button-man-level 1) (< gnus-button-man-level 3))
6186 gnus-button-handle-man 1)
6187 ;; more man pages: resolv.conf(5), iso_8859-1(7), xterm(1x)
6188 ("\\b\\([a-z][-_.a-z0-9]+([1-9])\\)\\W"
6189 0 (and (>= gnus-button-man-level 3) (< gnus-button-man-level 5))
6190 gnus-button-handle-man 1)
6191 ;; even more: Apache::PerlRun(3pm), PDL::IO::FastRaw(3pm),
6192 ;; SoWWWAnchor(3iv), XSelectInput(3X11), X(1), X(7)
6193 ("\\b\\(\\(?:[a-z][-+_.:a-z0-9]+([1-9][X1a-z]*)\\)\\|\\b\\(?:X([1-9])\\)\\)\\W"
6194 0 (>= gnus-button-man-level 5) gnus-button-handle-man 1)
6195 ;; MID or mail: To avoid too many false positives we don't try to catch
6196 ;; all kind of allowed MIDs or mail addresses. Domain part must contain
6197 ;; at least one dot. TLD must contain two or three chars or be a know TLD
6198 ;; (info|name|...). Put this entry near the _end_ of `gnus-button-alist'
6199 ;; so that non-ambiguous entries (see above) match first.
6200 (gnus-button-mid-or-mail-regexp
6201 0 (>= gnus-button-message-level 5) gnus-button-handle-mid-or-mail 1))
6202 "*Alist of regexps matching buttons in article bodies.
6204 Each entry has the form (REGEXP BUTTON FORM CALLBACK PAR...), where
6205 REGEXP: is the string (case insensitive) matching text around the button (can
6206 also be Lisp expression evaluating to a string),
6207 BUTTON: is the number of the regexp grouping actually matching the button,
6208 FORM: is a Lisp expression which must eval to true for the button to
6210 CALLBACK: is the function to call when the user push this button, and each
6211 PAR: is a number of a regexp grouping whose text will be passed to CALLBACK.
6213 CALLBACK can also be a variable, in that case the value of that
6214 variable it the real callback function."
6215 :group 'gnus-article-buttons
6216 :type '(repeat (list (choice regexp variable sexp)
6217 (integer :tag "Button")
6219 (function :tag "Callback")
6222 (integer :tag "Regexp group")))))
6224 (defcustom gnus-header-button-alist
6225 '(("^\\(References\\|Message-I[Dd]\\|^In-Reply-To\\):" "<[^<>]+>"
6226 0 (>= gnus-button-message-level 0) gnus-button-message-id 0)
6227 ("^\\(From\\|Reply-To\\):" ": *\\(.+\\)$"
6228 1 (>= gnus-button-message-level 0) gnus-button-reply 1)
6229 ("^\\(Cc\\|To\\):" "[^ \t\n<>,()\"]+@[^ \t\n<>,()\"]+"
6230 0 (>= gnus-button-message-level 0) gnus-button-mailto 0)
6231 ("^X-[Uu][Rr][Ll]:" gnus-button-url-regexp
6232 0 (>= gnus-button-browse-level 0) browse-url 0)
6233 ("^Subject:" gnus-button-url-regexp
6234 0 (>= gnus-button-browse-level 0) browse-url 0)
6235 ("^[^:]+:" gnus-button-url-regexp
6236 0 (>= gnus-button-browse-level 0) browse-url 0)
6237 ("^[^:]+:" "\\bmailto:\\([-a-z.@_+0-9%=?&/]+\\)"
6238 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
6239 ("^[^:]+:" "\\(<\\(url: \\)?\\(nntp\\|news\\):\\([^>\n ]*\\)>\\)"
6240 1 (>= gnus-button-message-level 0) gnus-button-message-id 4))
6241 "*Alist of headers and regexps to match buttons in article heads.
6243 This alist is very similar to `gnus-button-alist', except that each
6244 alist has an additional HEADER element first in each entry:
6246 \(HEADER REGEXP BUTTON FORM CALLBACK PAR)
6248 HEADER is a regexp to match a header. For a fuller explanation, see
6249 `gnus-button-alist'."
6250 :group 'gnus-article-buttons
6251 :group 'gnus-article-headers
6252 :type '(repeat (list (regexp :tag "Header")
6253 (choice regexp variable)
6254 (integer :tag "Button")
6256 (function :tag "Callback")
6259 (integer :tag "Regexp group")))))
6263 (defun gnus-article-push-button (event)
6264 "Check text under the mouse pointer for a callback function.
6265 If the text under the mouse pointer has a `gnus-callback' property,
6266 call it with the value of the `gnus-data' text property."
6268 (set-buffer (window-buffer (posn-window (event-start event))))
6269 (let* ((pos (posn-point (event-start event)))
6270 (data (get-text-property pos 'gnus-data))
6271 (fun (get-text-property pos 'gnus-callback)))
6274 (funcall fun data))))
6276 (defun gnus-article-press-button ()
6277 "Check text at point for a callback function.
6278 If the text at point has a `gnus-callback' property,
6279 call it with the value of the `gnus-data' text property."
6281 (let ((data (get-text-property (point) 'gnus-data))
6282 (fun (get-text-property (point) 'gnus-callback)))
6284 (funcall fun data))))
6286 (defun gnus-article-highlight (&optional force)
6287 "Highlight current article.
6288 This function calls `gnus-article-highlight-headers',
6289 `gnus-article-highlight-citation',
6290 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
6291 do the highlighting. See the documentation for those functions."
6292 (interactive (list 'force))
6293 (gnus-article-highlight-headers)
6294 (gnus-article-highlight-citation force)
6295 (gnus-article-highlight-signature)
6296 (gnus-article-add-buttons force)
6297 (gnus-article-add-buttons-to-head))
6299 (defun gnus-article-highlight-some (&optional force)
6300 "Highlight current article.
6301 This function calls `gnus-article-highlight-headers',
6302 `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
6303 do the highlighting. See the documentation for those functions."
6304 (interactive (list 'force))
6305 (gnus-article-highlight-headers)
6306 (gnus-article-highlight-signature)
6307 (gnus-article-add-buttons))
6309 (defun gnus-article-highlight-headers ()
6310 "Highlight article headers as specified by `gnus-header-face-alist'."
6312 (gnus-with-article-headers
6313 (let (regexp header-face field-face from hpoints fpoints)
6314 (dolist (entry gnus-header-face-alist)
6315 (goto-char (point-min))
6316 (setq regexp (concat "^\\("
6317 (if (string-equal "" (nth 0 entry))
6321 header-face (nth 1 entry)
6322 field-face (nth 2 entry))
6323 (while (and (re-search-forward regexp nil t)
6327 (unless (search-forward ":" nil t)
6329 (when (and header-face
6330 (not (memq (point) hpoints)))
6331 (push (point) hpoints)
6332 (gnus-put-text-property from (point) 'face header-face))
6333 (when (and field-face
6334 (not (memq (setq from (point)) fpoints)))
6336 (if (re-search-forward "^[^ \t]" nil t)
6338 (goto-char (point-max)))
6339 (gnus-put-text-property from (point) 'face field-face)))))))
6341 (defun gnus-article-highlight-signature ()
6342 "Highlight the signature in an article.
6343 It does this by highlighting everything after
6344 `gnus-signature-separator' using `gnus-signature-face'."
6346 (gnus-with-article-buffer
6347 (let ((inhibit-point-motion-hooks t))
6349 (when (and gnus-signature-face
6350 (gnus-article-narrow-to-signature))
6351 (gnus-overlay-put (gnus-make-overlay (point-min) (point-max))
6352 'face gnus-signature-face)
6354 (gnus-article-search-signature)
6355 (let ((start (match-beginning 0))
6356 (end (set-marker (make-marker) (1+ (match-end 0)))))
6357 (gnus-article-add-button start (1- end) 'gnus-signature-toggle
6360 (defun gnus-button-in-region-p (b e prop)
6361 "Say whether PROP exists in the region."
6362 (text-property-not-all b e prop nil))
6364 (defun gnus-article-add-buttons (&optional force)
6365 "Find external references in the article and make buttons of them.
6366 \"External references\" are things like Message-IDs and URLs, as
6367 specified by `gnus-button-alist'."
6368 (interactive (list 'force))
6369 (gnus-with-article-buffer
6370 (let ((inhibit-point-motion-hooks t)
6371 (case-fold-search t)
6372 (alist gnus-button-alist)
6374 ;; Remove all old markers.
6375 (let (marker entry new-list)
6376 (while (setq marker (pop gnus-button-marker-list))
6377 (if (or (< marker (point-min)) (>= marker (point-max)))
6378 (push marker new-list)
6380 (when (setq entry (gnus-button-entry))
6381 (put-text-property (match-beginning (nth 1 entry))
6382 (match-end (nth 1 entry))
6383 'gnus-callback nil))
6384 (set-marker marker nil)))
6385 (setq gnus-button-marker-list new-list))
6386 ;; We skip the headers.
6389 (while (setq entry (pop alist))
6390 (setq regexp (eval (car entry)))
6392 (while (re-search-forward regexp nil t)
6393 (let* ((start (and entry (match-beginning (nth 1 entry))))
6394 (end (and entry (match-end (nth 1 entry))))
6395 (from (match-beginning 0)))
6396 (when (and (or (eq t (nth 2 entry))
6397 (eval (nth 2 entry)))
6398 (not (gnus-button-in-region-p
6399 start end 'gnus-callback)))
6400 ;; That optional form returned non-nil, so we add the
6402 (gnus-article-add-button
6403 start end 'gnus-button-push
6404 (car (push (set-marker (make-marker) from)
6405 gnus-button-marker-list))))))))))
6407 ;; Add buttons to the head of an article.
6408 (defun gnus-article-add-buttons-to-head ()
6409 "Add buttons to the head of the article."
6411 (gnus-with-article-headers
6413 (dolist (entry gnus-header-button-alist)
6414 ;; Each alist entry.
6415 (goto-char (point-min))
6416 (while (re-search-forward (car entry) nil t)
6417 ;; Each header matching the entry.
6418 (setq beg (match-beginning 0))
6419 (setq end (or (and (re-search-forward "^[^ \t]" nil t)
6420 (match-beginning 0))
6423 (while (re-search-forward (eval (nth 1 entry)) end t)
6424 ;; Each match within a header.
6425 (let* ((entry (cdr entry))
6426 (start (match-beginning (nth 1 entry)))
6427 (end (match-end (nth 1 entry)))
6428 (form (nth 2 entry)))
6429 (goto-char (match-end 0))
6431 (gnus-article-add-button
6432 start end (nth 3 entry)
6433 (buffer-substring (match-beginning (nth 4 entry))
6434 (match-end (nth 4 entry)))))))
6435 (goto-char end))))))
6437 ;;; External functions:
6439 (defun gnus-article-add-button (from to fun &optional data)
6440 "Create a button between FROM and TO with callback FUN and data DATA."
6441 (when gnus-article-button-face
6442 (gnus-overlay-put (gnus-make-overlay from to)
6443 'face gnus-article-button-face))
6444 (gnus-add-text-properties
6446 (nconc (and gnus-article-mouse-face
6447 (list gnus-mouse-face-prop gnus-article-mouse-face))
6448 (list 'gnus-callback fun)
6449 (and data (list 'gnus-data data))))
6450 (widget-convert-button 'link from to :action 'gnus-widget-press-button
6451 :button-keymap gnus-widget-button-keymap))
6453 ;;; Internal functions:
6455 (defun gnus-article-set-globals ()
6456 (with-current-buffer gnus-summary-buffer
6457 (gnus-set-global-variables)))
6459 (defun gnus-signature-toggle (end)
6460 (gnus-with-article-buffer
6461 (let ((inhibit-point-motion-hooks t))
6462 (if (text-property-any end (point-max) 'article-type 'signature)
6464 (gnus-delete-wash-type 'signature)
6465 (gnus-remove-text-properties-when
6466 'article-type 'signature end (point-max)
6467 (cons 'article-type (cons 'signature
6468 gnus-hidden-properties))))
6469 (gnus-add-wash-type 'signature)
6470 (gnus-add-text-properties-when
6471 'article-type nil end (point-max)
6472 (cons 'article-type (cons 'signature
6473 gnus-hidden-properties)))))
6474 (let ((gnus-article-mime-handle-alist-1 gnus-article-mime-handle-alist))
6475 (gnus-set-mode-line 'article))))
6477 (defun gnus-button-entry ()
6478 ;; Return the first entry in `gnus-button-alist' matching this place.
6479 (let ((alist gnus-button-alist)
6482 (setq entry (pop alist))
6483 (if (looking-at (eval (car entry)))
6488 (defun gnus-button-push (marker)
6489 ;; Push button starting at MARKER.
6492 (let* ((entry (gnus-button-entry))
6493 (inhibit-point-motion-hooks t)
6495 (args (mapcar (lambda (group)
6496 (let ((string (match-string group)))
6497 (set-text-properties
6498 0 (length string) nil string)
6505 (fboundp (symbol-value fun)))
6506 (apply (symbol-value fun) args))
6508 (gnus-message 1 "You must define `%S' to use this button"
6509 (cons fun args)))))))
6511 (defun gnus-parse-news-url (url)
6512 (let (scheme server group message-id articles)
6515 (goto-char (point-min))
6516 (when (looking-at "\\([A-Za-z]+\\):")
6517 (setq scheme (match-string 1))
6518 (goto-char (match-end 0)))
6519 (when (looking-at "//\\([^/]+\\)/")
6520 (setq server (match-string 1))
6521 (goto-char (match-end 0)))
6524 ((looking-at "\\(.*@.*\\)")
6525 (setq message-id (match-string 1)))
6526 ((looking-at "\\([^/]+\\)/\\([-0-9]+\\)")
6527 (setq group (match-string 1)
6528 articles (split-string (match-string 2) "-")))
6529 ((looking-at "\\([^/]+\\)/?")
6530 (setq group (match-string 1)))
6532 (error "Unknown news URL syntax"))))
6533 (list scheme server group message-id articles)))
6535 (defun gnus-button-handle-news (url)
6537 (destructuring-bind (scheme server group message-id articles)
6538 (gnus-parse-news-url url)
6542 (set-buffer gnus-summary-buffer)
6544 (let ((gnus-refer-article-method (list (list 'nntp server))))
6545 (gnus-summary-refer-article message-id))
6546 (gnus-summary-refer-article message-id))))
6548 (gnus-button-fetch-group url)))))
6550 (defun gnus-button-handle-man (url)
6552 (gnus-message 9 "`%s' `%s'" gnus-button-man-handler url)
6553 (when (eq gnus-button-man-handler 'woman)
6554 (setq url (gnus-replace-in-string url "([1-9][X1a-z]*).*\\'" "")))
6555 (gnus-message 9 "`%s' `%s'" gnus-button-man-handler url)
6556 (funcall gnus-button-man-handler url))
6558 (defun gnus-button-handle-info-url (url)
6559 "Fetch an info URL."
6560 (setq url (mm-subst-char-in-string ?+ ?\ url))
6562 ((string-match "^\\([^:/]+\\)?/\\(.*\\)" url)
6563 (gnus-info-find-node
6564 (concat "(" (or (gnus-url-unhex-string (match-string 1 url))
6566 ")" (gnus-url-unhex-string (match-string 2 url)))))
6567 ((string-match "([^)\"]+)[^\"]+" url)
6569 (gnus-replace-in-string
6570 (gnus-replace-in-string url "[\n\t ]+" " ") "\"" ""))
6571 (gnus-info-find-node url))
6572 (t (error "Can't parse %s" url))))
6574 (defun gnus-button-handle-info-url-gnome (url)
6575 "Fetch GNOME style info URL."
6576 (setq url (mm-subst-char-in-string ?_ ?\ url))
6577 (if (string-match "\\([^#]+\\)#?\\(.*\\)" url)
6578 (gnus-info-find-node
6580 (gnus-url-unhex-string
6581 (match-string 1 url))
6583 (or (gnus-url-unhex-string
6584 (match-string 2 url))
6586 (error "Can't parse %s" url)))
6588 (defun gnus-button-handle-info-url-kde (url)
6589 "Fetch KDE style info URL."
6590 (gnus-info-find-node (gnus-url-unhex-string url)))
6592 (defun gnus-button-handle-info-keystrokes (url)
6593 "Call `info' when pushing the corresponding URL button."
6594 ;; For links like `C-h i d m gnus RET', `C-h i d m CC Mode RET'.
6599 (defun gnus-button-message-id (message-id)
6601 (with-current-buffer gnus-summary-buffer
6602 (gnus-summary-refer-article message-id)))
6604 (defun gnus-button-fetch-group (address)
6605 "Fetch GROUP specified by ADDRESS."
6606 (if (not (string-match "[:/]" address))
6607 ;; This is just a simple group url.
6608 (gnus-group-read-ephemeral-group address gnus-select-method)
6611 "^\\([^:/]+\\)\\(:\\([^/]+\\)\\)?/\\([^/]+\\)\\(/\\([0-9]+\\)\\)?"
6613 (error "Can't parse %s" address)
6614 (gnus-group-read-ephemeral-group
6615 (match-string 4 address)
6616 `(nntp ,(match-string 1 address)
6617 (nntp-address ,(match-string 1 address))
6618 (nntp-port-number ,(if (match-end 3)
6619 (match-string 3 address)
6622 (and (match-end 6) (list (string-to-int (match-string 6 address))))))))
6624 (defun gnus-url-parse-query-string (query &optional downcase)
6625 (let (retval pairs cur key val)
6626 (setq pairs (split-string query "&"))
6628 (setq cur (car pairs)
6630 (if (not (string-match "=" cur))
6632 (setq key (gnus-url-unhex-string (substring cur 0 (match-beginning 0)))
6633 val (gnus-url-unhex-string (substring cur (match-end 0) nil) t))
6635 (setq key (downcase key)))
6636 (setq cur (assoc key retval))
6638 (setcdr cur (cons val (cdr cur)))
6639 (setq retval (cons (list key val) retval)))))
6642 (defun gnus-url-mailto (url)
6643 ;; Send mail to someone
6644 (when (string-match "mailto:/*\\(.*\\)" url)
6645 (setq url (substring url (match-beginning 1) nil)))
6646 (let (to args subject func)
6647 (setq args (gnus-url-parse-query-string
6648 (if (string-match "^\\?" url)
6650 (if (string-match "^\\([^?]+\\)\\?\\(.*\\)" url)
6651 (concat "to=" (match-string 1 url) "&"
6652 (match-string 2 url))
6653 (concat "to=" url)))
6655 subject (cdr-safe (assoc "subject" args)))
6658 (setq func (intern-soft (concat "message-goto-" (downcase (caar args)))))
6661 (message-position-on-field (caar args)))
6662 (insert (gnus-replace-in-string
6663 (mapconcat 'identity (reverse (cdar args)) ", ")
6665 (setq args (cdr args)))
6668 (message-goto-subject))))
6670 (defun gnus-button-embedded-url (address)
6671 "Activate ADDRESS with `browse-url'."
6672 (browse-url (gnus-strip-whitespace address)))
6674 ;;; Next/prev buttons in the article buffer.
6676 (defvar gnus-next-page-line-format "%{%(Next page...%)%}\n")
6677 (defvar gnus-prev-page-line-format "%{%(Previous page...%)%}\n")
6679 (defvar gnus-prev-page-map
6680 (let ((map (make-sparse-keymap)))
6681 (define-key map gnus-mouse-2 'gnus-button-prev-page)
6682 (define-key map "\r" 'gnus-button-prev-page)
6685 (defvar gnus-next-page-map
6686 (let ((map (make-sparse-keymap)))
6687 (unless (>= emacs-major-version 21)
6688 ;; XEmacs doesn't care.
6689 (set-keymap-parent map gnus-article-mode-map))
6690 (define-key map gnus-mouse-2 'gnus-button-next-page)
6691 (define-key map "\r" 'gnus-button-next-page)
6694 (defun gnus-insert-prev-page-button ()
6696 (inhibit-read-only t))
6698 gnus-prev-page-line-format nil
6699 `(keymap ,gnus-prev-page-map
6701 gnus-callback gnus-article-button-prev-page
6702 article-type annotation))
6703 (widget-convert-button
6705 ;; Exclude a newline.
6708 :action 'gnus-button-prev-page
6709 :button-keymap gnus-prev-page-map)))
6711 (defun gnus-button-next-page (&optional args more-args)
6712 "Go to the next page."
6714 (let ((win (selected-window)))
6715 (select-window (gnus-get-buffer-window gnus-article-buffer t))
6716 (gnus-article-next-page)
6717 (select-window win)))
6719 (defun gnus-button-prev-page (&optional args more-args)
6720 "Go to the prev page."
6722 (let ((win (selected-window)))
6723 (select-window (gnus-get-buffer-window gnus-article-buffer t))
6724 (gnus-article-prev-page)
6725 (select-window win)))
6727 (defun gnus-insert-next-page-button ()
6729 (inhibit-read-only t))
6730 (gnus-eval-format gnus-next-page-line-format nil
6731 `(keymap ,gnus-next-page-map
6733 gnus-callback gnus-article-button-next-page
6734 article-type annotation))
6735 (widget-convert-button
6737 ;; Exclude a newline.
6740 :action 'gnus-button-next-page
6741 :button-keymap gnus-next-page-map)))
6743 (defun gnus-article-button-next-page (arg)
6744 "Go to the next page."
6746 (let ((win (selected-window)))
6747 (select-window (gnus-get-buffer-window gnus-article-buffer t))
6748 (gnus-article-next-page)
6749 (select-window win)))
6751 (defun gnus-article-button-prev-page (arg)
6752 "Go to the prev page."
6754 (let ((win (selected-window)))
6755 (select-window (gnus-get-buffer-window gnus-article-buffer t))
6756 (gnus-article-prev-page)
6757 (select-window win)))
6759 (defvar gnus-decode-header-methods
6760 '(mail-decode-encoded-word-region)
6761 "List of methods used to decode headers.
6763 This variable is a list of FUNCTION or (REGEXP . FUNCTION). If item
6764 is FUNCTION, FUNCTION will be applied to all newsgroups. If item is a
6765 \(REGEXP . FUNCTION), FUNCTION will be only apply to the newsgroups
6766 whose names match REGEXP.
6769 \((\"chinese\" . gnus-decode-encoded-word-region-by-guess)
6770 mail-decode-encoded-word-region
6771 (\"chinese\" . rfc1843-decode-region))
6774 (defvar gnus-decode-header-methods-cache nil)
6776 (defun gnus-multi-decode-header (start end)
6777 "Apply the functions from `gnus-encoded-word-methods' that match."
6778 (unless (and gnus-decode-header-methods-cache
6779 (eq gnus-newsgroup-name
6780 (car gnus-decode-header-methods-cache)))
6781 (setq gnus-decode-header-methods-cache (list gnus-newsgroup-name))
6784 (nconc gnus-decode-header-methods-cache (list x))
6785 (if (and gnus-newsgroup-name
6786 (string-match (car x) gnus-newsgroup-name))
6787 (nconc gnus-decode-header-methods-cache
6789 gnus-decode-header-methods))
6790 (let ((xlist gnus-decode-header-methods-cache))
6793 (narrow-to-region start end)
6795 (funcall (pop xlist) (point-min) (point-max))))))
6798 ;;; Treatment top-level handling.
6801 (defun gnus-treat-article (condition &optional part-number total-parts type)
6802 (let ((length (- (point-max) (point-min)))
6803 (alist gnus-treatment-function-alist)
6804 (article-goto-body-goes-to-point-min-p t)
6808 (let ((list gnus-article-treat-types))
6810 (when (string-match (pop list) type)
6811 (throw 'found t)))))))
6812 (highlightp (gnus-visual-p 'article-highlight 'highlight))
6814 (gnus-run-hooks 'gnus-part-display-hook)
6815 (dolist (elem alist)
6818 (when (gnus-buffer-live-p gnus-summary-buffer)
6819 (set-buffer gnus-summary-buffer))
6820 (symbol-value (car elem))))
6821 (when (and (or (consp val)
6823 (gnus-treat-predicate val)
6824 (or (not (get (car elem) 'highlight))
6827 (funcall (cadr elem)))))))
6829 ;; Dynamic variables.
6831 (defvar part-number)
6832 (defvar total-parts)
6837 (defun gnus-treat-predicate (val)
6844 (stringp (car val)))
6845 (apply 'gnus-or (mapcar `(lambda (s)
6846 (string-match s ,(or gnus-newsgroup-name "")))
6849 (let ((pred (pop val)))
6852 (apply 'gnus-or (mapcar 'gnus-treat-predicate val)))
6854 (apply 'gnus-and (mapcar 'gnus-treat-predicate val)))
6856 (not (gnus-treat-predicate (car val))))
6858 (equal (car val) type))
6860 (error "%S is not a valid predicate" pred)))))
6866 (eq part-number total-parts))
6870 (error "%S is not a valid value" val))))
6872 (defun gnus-article-encrypt-body (protocol &optional n)
6873 "Encrypt the article body."
6876 (or gnus-article-encrypt-protocol
6877 (completing-read "Encrypt protocol: "
6878 gnus-article-encrypt-protocol-alist
6880 current-prefix-arg))
6881 (let ((func (cdr (assoc protocol gnus-article-encrypt-protocol-alist))))
6883 (error (format "Can't find the encrypt protocol %s" protocol)))
6884 (if (member gnus-newsgroup-name '("nndraft:delayed"
6887 (error "Can't encrypt the article in group %s"
6888 gnus-newsgroup-name))
6889 (gnus-summary-iterate n
6891 (set-buffer gnus-summary-buffer)
6892 (let ((mail-parse-charset gnus-newsgroup-charset)
6893 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets)
6894 (summary-buffer gnus-summary-buffer)
6896 (gnus-set-global-variables)
6897 (when (gnus-group-read-only-p)
6898 (error "The current newsgroup does not support article encrypt"))
6899 (gnus-summary-show-article t)
6901 (or (mail-header-references gnus-current-headers) ""))
6902 (set-buffer gnus-article-buffer)
6903 (let* ((inhibit-read-only t)
6905 (mapcar (lambda (field)
6906 (and (save-restriction
6907 (message-narrow-to-head)
6908 (goto-char (point-min))
6909 (search-forward field nil t))
6911 (message-narrow-to-field)
6913 (delete-region (point-min) (point-max))
6915 '("Content-Type:" "Content-Transfer-Encoding:"
6916 "Content-Disposition:"))))
6917 (message-narrow-to-head)
6918 (message-remove-header "MIME-Version")
6919 (goto-char (point-max))
6920 (setq point (point))
6921 (insert (apply 'concat headers))
6923 (narrow-to-region point (point-max))
6924 (let ((message-options message-options))
6925 (message-options-set 'message-sender user-mail-address)
6926 (message-options-set 'message-recipients user-mail-address)
6927 (message-options-set 'message-sign-encrypt 'not)
6929 (goto-char (point-min))
6930 (insert "MIME-Version: 1.0\n")
6932 (gnus-summary-edit-article-done
6933 references nil summary-buffer t))
6934 (when gnus-keep-backlog
6935 (gnus-backlog-remove-article
6936 (car gnus-article-current) (cdr gnus-article-current)))
6938 (when (get-buffer gnus-original-article-buffer)
6939 (set-buffer gnus-original-article-buffer)
6940 (setq gnus-original-article nil)))
6941 (when gnus-use-cache
6942 (gnus-cache-update-article
6943 (car gnus-article-current) (cdr gnus-article-current))))))))
6945 (defvar gnus-mime-security-button-line-format "%{%([[%t:%i]%D]%)%}\n"
6946 "The following specs can be used:
6947 %t The security MIME type
6950 %D Details if button is pressed")
6952 (defvar gnus-mime-security-button-end-line-format "%{%([[End of %t]%D]%)%}\n"
6953 "The following specs can be used:
6954 %t The security MIME type
6957 %D Details if button is pressed")
6959 (defvar gnus-mime-security-button-line-format-alist
6960 '((?t gnus-tmp-type ?s)
6961 (?i gnus-tmp-info ?s)
6962 (?d gnus-tmp-details ?s)
6963 (?D gnus-tmp-pressed-details ?s)))
6965 (defvar gnus-mime-security-button-map
6966 (let ((map (make-sparse-keymap)))
6967 (define-key map gnus-mouse-2 'gnus-article-push-button)
6968 (define-key map "\r" 'gnus-article-press-button)
6971 (defvar gnus-mime-security-details-buffer nil)
6973 (defvar gnus-mime-security-button-pressed nil)
6975 (defvar gnus-mime-security-show-details-inline t
6976 "If non-nil, show details in the article buffer.")
6978 (defun gnus-mime-security-verify-or-decrypt (handle)
6979 (mm-remove-parts (cdr handle))
6980 (let ((region (mm-handle-multipart-ctl-parameter handle 'gnus-region))
6981 point (inhibit-read-only t))
6983 (goto-char (car region)))
6985 (narrow-to-region (point) (point))
6986 (with-current-buffer (mm-handle-multipart-original-buffer handle)
6987 (let* ((mm-verify-option 'known)
6988 (mm-decrypt-option 'known)
6989 (nparts (mm-possibly-verify-or-decrypt (cdr handle) handle)))
6990 (unless (eq nparts (cdr handle))
6991 (mm-destroy-parts (cdr handle))
6992 (setcdr handle nparts))))
6993 (setq point (point))
6994 (gnus-mime-display-security handle)
6995 (goto-char (point-max)))
6997 (delete-region (point) (cdr region))
6998 (set-marker (car region) nil)
6999 (set-marker (cdr region) nil))
7002 (defun gnus-mime-security-show-details (handle)
7003 (let ((details (mm-handle-multipart-ctl-parameter handle 'gnus-details)))
7005 (gnus-message 5 "No details.")
7006 (if gnus-mime-security-show-details-inline
7007 (let ((gnus-mime-security-button-pressed
7008 (not (get-text-property (point) 'gnus-mime-details)))
7009 (gnus-mime-security-button-line-format
7010 (get-text-property (point) 'gnus-line-format))
7011 (inhibit-read-only t))
7013 (while (eq (get-text-property (point) 'gnus-line-format)
7014 gnus-mime-security-button-line-format)
7018 (narrow-to-region (point) (point))
7019 (gnus-insert-mime-security-button handle))
7020 (delete-region (point)
7021 (or (text-property-not-all
7024 gnus-mime-security-button-line-format)
7027 (if (gnus-buffer-live-p gnus-mime-security-details-buffer)
7028 (with-current-buffer gnus-mime-security-details-buffer
7031 (setq gnus-mime-security-details-buffer
7032 (gnus-get-buffer-create "*MIME Security Details*")))
7033 (with-current-buffer gnus-mime-security-details-buffer
7035 (goto-char (point-min)))
7036 (pop-to-buffer gnus-mime-security-details-buffer)))))
7038 (defun gnus-mime-security-press-button (handle)
7040 (if (mm-handle-multipart-ctl-parameter handle 'gnus-info)
7041 (gnus-mime-security-show-details handle)
7042 (gnus-mime-security-verify-or-decrypt handle))))
7044 (defun gnus-insert-mime-security-button (handle &optional displayed)
7045 (let* ((protocol (mm-handle-multipart-ctl-parameter handle 'protocol))
7048 (or (nth 2 (assoc protocol mm-verify-function-alist))
7049 (nth 2 (assoc protocol mm-decrypt-function-alist))
7051 (if (equal (car handle) "multipart/signed")
7052 " Signed" " Encrypted")
7055 (or (mm-handle-multipart-ctl-parameter handle 'gnus-info)
7058 (mm-handle-multipart-ctl-parameter handle 'gnus-details))
7059 gnus-tmp-pressed-details
7061 (setq gnus-tmp-details
7062 (if gnus-tmp-details
7063 (concat "\n" gnus-tmp-details)
7065 (setq gnus-tmp-pressed-details
7066 (if gnus-mime-security-button-pressed gnus-tmp-details ""))
7071 gnus-mime-security-button-line-format
7072 gnus-mime-security-button-line-format-alist
7073 `(keymap ,gnus-mime-security-button-map
7074 gnus-callback gnus-mime-security-press-button
7075 gnus-line-format ,gnus-mime-security-button-line-format
7076 gnus-mime-details ,gnus-mime-security-button-pressed
7077 article-type annotation
7080 ;; Exclude a newline.
7083 (widget-convert-button
7086 :action 'gnus-widget-press-button
7087 :button-keymap gnus-mime-security-button-map
7089 (lambda (widget/window &optional overlay pos)
7090 ;; Needed to properly clear the message due to a bug in
7091 ;; wid-edit (XEmacs only).
7092 (when (boundp 'help-echo-owns-message)
7093 (setq help-echo-owns-message t))
7096 (aref gnus-mouse-2 0))))))
7098 (defun gnus-mime-display-security (handle)
7100 (narrow-to-region (point) (point))
7101 (unless (gnus-unbuttonized-mime-type-p (car handle))
7102 (gnus-insert-mime-security-button handle))
7103 (gnus-mime-display-mixed (cdr handle))
7106 (unless (gnus-unbuttonized-mime-type-p (car handle))
7107 (let ((gnus-mime-security-button-line-format
7108 gnus-mime-security-button-end-line-format))
7109 (gnus-insert-mime-security-button handle)))
7110 (mm-set-handle-multipart-parameter
7112 (cons (set-marker (make-marker) (point-min))
7113 (set-marker (make-marker) (point-max))))))
7119 (run-hooks 'gnus-art-load-hook)
7121 ;;; arch-tag: 2654516f-6279-48f9-a83b-05c1fa450c33
7122 ;;; gnus-art.el ends here